drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

   1 /* Copyright 2008-2013 Broadcom Corporation
   2  *
   3  * Unless you and Broadcom execute a separate written software license
   4  * agreement governing use of this software, this software is licensed to you
   5  * under the terms of the GNU General Public License version 2, available
   6  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
   7  *
   8  * Notwithstanding the above, under no circumstances may you combine this
   9  * software in any way with any other Broadcom software provided under a
  10  * license other than the GPL, without Broadcom's express prior written
  11  * consent.
  12  *
  13  * Written by Yaniv Rosner
  14  *
  15  */
  16
  17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19 #include <linux/kernel.h>
  20 #include <linux/errno.h>
  21 #include <linux/pci.h>
  22 #include <linux/netdevice.h>
  23 #include <linux/delay.h>
  24 #include <linux/ethtool.h>
  25 #include <linux/mutex.h>
  26
  27 #include "bnx2x.h"
  28 #include "bnx2x_cmn.h"
  29
  30 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  31                                              struct link_params *params,
  32                                              u8 dev_addr, u16 addr, u8 byte_cnt,
  33                                              u8 *o_buf, u8);
  34 /********************************************************/
  35 #define ETH_HLEN                        14
  36 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  37 #define ETH_OVREHEAD                    (ETH_HLEN + 8 + 8)
  38 #define ETH_MIN_PACKET_SIZE             60
  39 #define ETH_MAX_PACKET_SIZE             1500
  40 #define ETH_MAX_JUMBO_PACKET_SIZE       9600
  41 #define MDIO_ACCESS_TIMEOUT             1000
  42 #define WC_LANE_MAX                     4
  43 #define I2C_SWITCH_WIDTH                2
  44 #define I2C_BSC0                        0
  45 #define I2C_BSC1                        1
  46 #define I2C_WA_RETRY_CNT                3
  47 #define I2C_WA_PWR_ITER                 (I2C_WA_RETRY_CNT - 1)
  48 #define MCPR_IMC_COMMAND_READ_OP        1
  49 #define MCPR_IMC_COMMAND_WRITE_OP       2
  50
  51 /* LED Blink rate that will achieve ~15.9Hz */
  52 #define LED_BLINK_RATE_VAL_E3           354
  53 #define LED_BLINK_RATE_VAL_E1X_E2       480
  54 /***********************************************************/
  55 /*                      Shortcut definitions               */
  56 /***********************************************************/
  57
  58 #define NIG_LATCH_BC_ENABLE_MI_INT 0
  59
  60 #define NIG_STATUS_EMAC0_MI_INT \
  61                 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  62 #define NIG_STATUS_XGXS0_LINK10G \
  63                 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  64 #define NIG_STATUS_XGXS0_LINK_STATUS \
  65                 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  66 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  67                 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  68 #define NIG_STATUS_SERDES0_LINK_STATUS \
  69                 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  70 #define NIG_MASK_MI_INT \
  71                 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  72 #define NIG_MASK_XGXS0_LINK10G \
  73                 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  74 #define NIG_MASK_XGXS0_LINK_STATUS \
  75                 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  76 #define NIG_MASK_SERDES0_LINK_STATUS \
  77                 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  78
  79 #define MDIO_AN_CL73_OR_37_COMPLETE \
  80                 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  81                  MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  82
  83 #define XGXS_RESET_BITS \
  84         (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
  85          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
  86          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
  87          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  88          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  89
  90 #define SERDES_RESET_BITS \
  91         (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  92          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
  93          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
  94          MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  95
  96 #define AUTONEG_CL37            SHARED_HW_CFG_AN_ENABLE_CL37
  97 #define AUTONEG_CL73            SHARED_HW_CFG_AN_ENABLE_CL73
  98 #define AUTONEG_BAM             SHARED_HW_CFG_AN_ENABLE_BAM
  99 #define AUTONEG_PARALLEL \
 100                                 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
 101 #define AUTONEG_SGMII_FIBER_AUTODET \
 102                                 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
 103 #define AUTONEG_REMOTE_PHY      SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
 104
 105 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
 106                         MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
 107 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
 108                         MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
 109 #define GP_STATUS_SPEED_MASK \
 110                         MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
 111 #define GP_STATUS_10M   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
 112 #define GP_STATUS_100M  MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
 113 #define GP_STATUS_1G    MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
 114 #define GP_STATUS_2_5G  MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
 115 #define GP_STATUS_5G    MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
 116 #define GP_STATUS_6G    MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
 117 #define GP_STATUS_10G_HIG \
 118                         MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
 119 #define GP_STATUS_10G_CX4 \
 120                         MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
 121 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
 122 #define GP_STATUS_10G_KX4 \
 123                         MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
 124 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
 125 #define GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
 126 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
 127 #define GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
 128 #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
 129 #define LINK_10THD              LINK_STATUS_SPEED_AND_DUPLEX_10THD
 130 #define LINK_10TFD              LINK_STATUS_SPEED_AND_DUPLEX_10TFD
 131 #define LINK_100TXHD            LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
 132 #define LINK_100T4              LINK_STATUS_SPEED_AND_DUPLEX_100T4
 133 #define LINK_100TXFD            LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
 134 #define LINK_1000THD            LINK_STATUS_SPEED_AND_DUPLEX_1000THD
 135 #define LINK_1000TFD            LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
 136 #define LINK_1000XFD            LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
 137 #define LINK_2500THD            LINK_STATUS_SPEED_AND_DUPLEX_2500THD
 138 #define LINK_2500TFD            LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
 139 #define LINK_2500XFD            LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
 140 #define LINK_10GTFD             LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
 141 #define LINK_10GXFD             LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
 142 #define LINK_20GTFD             LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
 143 #define LINK_20GXFD             LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
 144
 145 #define LINK_UPDATE_MASK \
 146                         (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
 147                          LINK_STATUS_LINK_UP | \
 148                          LINK_STATUS_PHYSICAL_LINK_FLAG | \
 149                          LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
 150                          LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
 151                          LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
 152                          LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
 153                          LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
 154                          LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
 155
 156 #define SFP_EEPROM_CON_TYPE_ADDR                0x2
 157         #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
 158         #define SFP_EEPROM_CON_TYPE_VAL_LC      0x7
 159         #define SFP_EEPROM_CON_TYPE_VAL_COPPER  0x21
 160         #define SFP_EEPROM_CON_TYPE_VAL_RJ45    0x22
 161
 162
 163 #define SFP_EEPROM_10G_COMP_CODE_ADDR           0x3
 164         #define SFP_EEPROM_10G_COMP_CODE_SR_MASK        (1<<4)
 165         #define SFP_EEPROM_10G_COMP_CODE_LR_MASK        (1<<5)
 166         #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK       (1<<6)
 167
 168 #define SFP_EEPROM_1G_COMP_CODE_ADDR            0x6
 169         #define SFP_EEPROM_1G_COMP_CODE_SX      (1<<0)
 170         #define SFP_EEPROM_1G_COMP_CODE_LX      (1<<1)
 171         #define SFP_EEPROM_1G_COMP_CODE_CX      (1<<2)
 172         #define SFP_EEPROM_1G_COMP_CODE_BASE_T  (1<<3)
 173
 174 #define SFP_EEPROM_FC_TX_TECH_ADDR              0x8
 175         #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
 176         #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
 177
 178 #define SFP_EEPROM_OPTIONS_ADDR                 0x40
 179         #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
 180 #define SFP_EEPROM_OPTIONS_SIZE                 2
 181
 182 #define EDC_MODE_LINEAR                         0x0022
 183 #define EDC_MODE_LIMITING                               0x0044
 184 #define EDC_MODE_PASSIVE_DAC                    0x0055
 185 #define EDC_MODE_ACTIVE_DAC                     0x0066
 186
 187 /* ETS defines*/
 188 #define DCBX_INVALID_COS                                        (0xFF)
 189
 190 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND         (0x5000)
 191 #define ETS_BW_LIMIT_CREDIT_WEIGHT              (0x5000)
 192 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS             (1360)
 193 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS                   (2720)
 194 #define ETS_E3B0_PBF_MIN_W_VAL                          (10000)
 195
 196 #define MAX_PACKET_SIZE                                 (9700)
 197 #define MAX_KR_LINK_RETRY                               4
 198
 199 /**********************************************************/
 200 /*                     INTERFACE                          */
 201 /**********************************************************/
 202
 203 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
 204         bnx2x_cl45_write(_bp, _phy, \
 205                 (_phy)->def_md_devad, \
 206                 (_bank + (_addr & 0xf)), \
 207                 _val)
 208
 209 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
 210         bnx2x_cl45_read(_bp, _phy, \
 211                 (_phy)->def_md_devad, \
 212                 (_bank + (_addr & 0xf)), \
 213                 _val)
 214
 215 static int bnx2x_check_half_open_conn(struct link_params *params,
 216                                       struct link_vars *vars, u8 notify);
 217 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
 218                                       struct link_params *params);
 219
 220 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
 221 {
 222         u32 val = REG_RD(bp, reg);
 223
 224         val |= bits;
 225         REG_WR(bp, reg, val);
 226         return val;
 227 }
 228
 229 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
 230 {
 231         u32 val = REG_RD(bp, reg);
 232
 233         val &= ~bits;
 234         REG_WR(bp, reg, val);
 235         return val;
 236 }
 237
 238 /*
 239  * bnx2x_check_lfa - This function checks if link reinitialization is required,
 240  *                   or link flap can be avoided.
 241  *
 242  * @params:     link parameters
 243  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
 244  *         condition code.
 245  */
 246 static int bnx2x_check_lfa(struct link_params *params)
 247 {
 248         u32 link_status, cfg_idx, lfa_mask, cfg_size;
 249         u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
 250         u32 saved_val, req_val, eee_status;
 251         struct bnx2x *bp = params->bp;
 252
 253         additional_config =
 254                 REG_RD(bp, params->lfa_base +
 255                            offsetof(struct shmem_lfa, additional_config));
 256
 257         /* NOTE: must be first condition checked -
 258         * to verify DCC bit is cleared in any case!
 259         */
 260         if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
 261                 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
 262                 REG_WR(bp, params->lfa_base +
 263                            offsetof(struct shmem_lfa, additional_config),
 264                        additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
 265                 return LFA_DCC_LFA_DISABLED;
 266         }
 267
 268         /* Verify that link is up */
 269         link_status = REG_RD(bp, params->shmem_base +
 270                              offsetof(struct shmem_region,
 271                                       port_mb[params->port].link_status));
 272         if (!(link_status & LINK_STATUS_LINK_UP))
 273                 return LFA_LINK_DOWN;
 274
 275         /* if loaded after BOOT from SAN, don't flap the link in any case and
 276          * rely on link set by preboot driver
 277          */
 278         if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
 279                 return 0;
 280
 281         /* Verify that loopback mode is not set */
 282         if (params->loopback_mode)
 283                 return LFA_LOOPBACK_ENABLED;
 284
 285         /* Verify that MFW supports LFA */
 286         if (!params->lfa_base)
 287                 return LFA_MFW_IS_TOO_OLD;
 288
 289         if (params->num_phys == 3) {
 290                 cfg_size = 2;
 291                 lfa_mask = 0xffffffff;
 292         } else {
 293                 cfg_size = 1;
 294                 lfa_mask = 0xffff;
 295         }
 296
 297         /* Compare Duplex */
 298         saved_val = REG_RD(bp, params->lfa_base +
 299                            offsetof(struct shmem_lfa, req_duplex));
 300         req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
 301         if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
 302                 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
 303                                (saved_val & lfa_mask), (req_val & lfa_mask));
 304                 return LFA_DUPLEX_MISMATCH;
 305         }
 306         /* Compare Flow Control */
 307         saved_val = REG_RD(bp, params->lfa_base +
 308                            offsetof(struct shmem_lfa, req_flow_ctrl));
 309         req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
 310         if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
 311                 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
 312                                (saved_val & lfa_mask), (req_val & lfa_mask));
 313                 return LFA_FLOW_CTRL_MISMATCH;
 314         }
 315         /* Compare Link Speed */
 316         saved_val = REG_RD(bp, params->lfa_base +
 317                            offsetof(struct shmem_lfa, req_line_speed));
 318         req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
 319         if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
 320                 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
 321                                (saved_val & lfa_mask), (req_val & lfa_mask));
 322                 return LFA_LINK_SPEED_MISMATCH;
 323         }
 324
 325         for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
 326                 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
 327                                             offsetof(struct shmem_lfa,
 328                                                      speed_cap_mask[cfg_idx]));
 329
 330                 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
 331                         DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
 332                                        cur_speed_cap_mask,
 333                                        params->speed_cap_mask[cfg_idx]);
 334                         return LFA_SPEED_CAP_MISMATCH;
 335                 }
 336         }
 337
 338         cur_req_fc_auto_adv =
 339                 REG_RD(bp, params->lfa_base +
 340                        offsetof(struct shmem_lfa, additional_config)) &
 341                 REQ_FC_AUTO_ADV_MASK;
 342
 343         if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
 344                 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
 345                                cur_req_fc_auto_adv, params->req_fc_auto_adv);
 346                 return LFA_FLOW_CTRL_MISMATCH;
 347         }
 348
 349         eee_status = REG_RD(bp, params->shmem2_base +
 350                             offsetof(struct shmem2_region,
 351                                      eee_status[params->port]));
 352
 353         if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
 354              (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
 355             ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
 356              (params->eee_mode & EEE_MODE_ADV_LPI))) {
 357                 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
 358                                eee_status);
 359                 return LFA_EEE_MISMATCH;
 360         }
 361
 362         /* LFA conditions are met */
 363         return 0;
 364 }
 365 /******************************************************************/
 366 /*                      EPIO/GPIO section                         */
 367 /******************************************************************/
 368 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
 369 {
 370         u32 epio_mask, gp_oenable;
 371         *en = 0;
 372         /* Sanity check */
 373         if (epio_pin > 31) {
 374                 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
 375                 return;
 376         }
 377
 378         epio_mask = 1 << epio_pin;
 379         /* Set this EPIO to output */
 380         gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
 381         REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
 382
 383         *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
 384 }
 385 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
 386 {
 387         u32 epio_mask, gp_output, gp_oenable;
 388
 389         /* Sanity check */
 390         if (epio_pin > 31) {
 391                 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
 392                 return;
 393         }
 394         DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
 395         epio_mask = 1 << epio_pin;
 396         /* Set this EPIO to output */
 397         gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
 398         if (en)
 399                 gp_output |= epio_mask;
 400         else
 401                 gp_output &= ~epio_mask;
 402
 403         REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
 404
 405         /* Set the value for this EPIO */
 406         gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
 407         REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
 408 }
 409
 410 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
 411 {
 412         if (pin_cfg == PIN_CFG_NA)
 413                 return;
 414         if (pin_cfg >= PIN_CFG_EPIO0) {
 415                 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
 416         } else {
 417                 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
 418                 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
 419                 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
 420         }
 421 }
 422
 423 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
 424 {
 425         if (pin_cfg == PIN_CFG_NA)
 426                 return -EINVAL;
 427         if (pin_cfg >= PIN_CFG_EPIO0) {
 428                 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
 429         } else {
 430                 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
 431                 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
 432                 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
 433         }
 434         return 0;
 435
 436 }
 437 /******************************************************************/
 438 /*                              ETS section                       */
 439 /******************************************************************/
 440 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
 441 {
 442         /* ETS disabled configuration*/
 443         struct bnx2x *bp = params->bp;
 444
 445         DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
 446
 447         /* mapping between entry  priority to client number (0,1,2 -debug and
 448          * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
 449          * 3bits client num.
 450          *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
 451          * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
 452          */
 453
 454         REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
 455         /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
 456          * as strict.  Bits 0,1,2 - debug and management entries, 3 -
 457          * COS0 entry, 4 - COS1 entry.
 458          * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
 459          * bit4   bit3    bit2   bit1     bit0
 460          * MCP and debug are strict
 461          */
 462
 463         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
 464         /* defines which entries (clients) are subjected to WFQ arbitration */
 465         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
 466         /* For strict priority entries defines the number of consecutive
 467          * slots for the highest priority.
 468          */
 469         REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
 470         /* mapping between the CREDIT_WEIGHT registers and actual client
 471          * numbers
 472          */
 473         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
 474         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
 475         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
 476
 477         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
 478         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
 479         REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
 480         /* ETS mode disable */
 481         REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
 482         /* If ETS mode is enabled (there is no strict priority) defines a WFQ
 483          * weight for COS0/COS1.
 484          */
 485         REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
 486         REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
 487         /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
 488         REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
 489         REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
 490         /* Defines the number of consecutive slots for the strict priority */
 491         REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
 492 }
 493 /******************************************************************************
 494 * Description:
 495 *       Getting min_w_val will be set according to line speed .
 496 *.
 497 ******************************************************************************/
 498 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
 499 {
 500         u32 min_w_val = 0;
 501         /* Calculate min_w_val.*/
 502         if (vars->link_up) {
 503                 if (vars->line_speed == SPEED_20000)
 504                         min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
 505                 else
 506                         min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
 507         } else
 508                 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
 509         /* If the link isn't up (static configuration for example ) The
 510          * link will be according to 20GBPS.
 511          */
 512         return min_w_val;
 513 }
 514 /******************************************************************************
 515 * Description:
 516 *       Getting credit upper bound form min_w_val.
 517 *.
 518 ******************************************************************************/
 519 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
 520 {
 521         const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
 522                                                 MAX_PACKET_SIZE);
 523         return credit_upper_bound;
 524 }
 525 /******************************************************************************
 526 * Description:
 527 *       Set credit upper bound for NIG.
 528 *.
 529 ******************************************************************************/
 530 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
 531         const struct link_params *params,
 532         const u32 min_w_val)
 533 {
 534         struct bnx2x *bp = params->bp;
 535         const u8 port = params->port;
 536         const u32 credit_upper_bound =
 537             bnx2x_ets_get_credit_upper_bound(min_w_val);
 538
 539         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
 540                 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
 541         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
 542                    NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
 543         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
 544                    NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
 545         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
 546                    NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
 547         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
 548                    NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
 549         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
 550                    NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
 551
 552         if (!port) {
 553                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
 554                         credit_upper_bound);
 555                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
 556                         credit_upper_bound);
 557                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
 558                         credit_upper_bound);
 559         }
 560 }
 561 /******************************************************************************
 562 * Description:
 563 *       Will return the NIG ETS registers to init values.Except
 564 *       credit_upper_bound.
 565 *       That isn't used in this configuration (No WFQ is enabled) and will be
 566 *       configured acording to spec
 567 *.
 568 ******************************************************************************/
 569 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
 570                                         const struct link_vars *vars)
 571 {
 572         struct bnx2x *bp = params->bp;
 573         const u8 port = params->port;
 574         const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
 575         /* Mapping between entry  priority to client number (0,1,2 -debug and
 576          * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
 577          * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
 578          * reset value or init tool
 579          */
 580         if (port) {
 581                 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
 582                 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
 583         } else {
 584                 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
 585                 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
 586         }
 587         /* For strict priority entries defines the number of consecutive
 588          * slots for the highest priority.
 589          */
 590         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
 591                    NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
 592         /* Mapping between the CREDIT_WEIGHT registers and actual client
 593          * numbers
 594          */
 595         if (port) {
 596                 /*Port 1 has 6 COS*/
 597                 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
 598                 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
 599         } else {
 600                 /*Port 0 has 9 COS*/
 601                 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
 602                        0x43210876);
 603                 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
 604         }
 605
 606         /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
 607          * as strict.  Bits 0,1,2 - debug and management entries, 3 -
 608          * COS0 entry, 4 - COS1 entry.
 609          * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
 610          * bit4   bit3    bit2   bit1     bit0
 611          * MCP and debug are strict
 612          */
 613         if (port)
 614                 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
 615         else
 616                 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
 617         /* defines which entries (clients) are subjected to WFQ arbitration */
 618         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
 619                    NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
 620
 621         /* Please notice the register address are note continuous and a
 622          * for here is note appropriate.In 2 port mode port0 only COS0-5
 623          * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
 624          * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
 625          * are never used for WFQ
 626          */
 627         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
 628                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
 629         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
 630                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
 631         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
 632                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
 633         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
 634                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
 635         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
 636                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
 637         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
 638                    NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
 639         if (!port) {
 640                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
 641                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
 642                 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
 643         }
 644
 645         bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
 646 }
 647 /******************************************************************************
 648 * Description:
 649 *       Set credit upper bound for PBF.
 650 *.
 651 ******************************************************************************/
 652 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
 653         const struct link_params *params,
 654         const u32 min_w_val)
 655 {
 656         struct bnx2x *bp = params->bp;
 657         const u32 credit_upper_bound =
 658             bnx2x_ets_get_credit_upper_bound(min_w_val);
 659         const u8 port = params->port;
 660         u32 base_upper_bound = 0;
 661         u8 max_cos = 0;
 662         u8 i = 0;
 663         /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
 664          * port mode port1 has COS0-2 that can be used for WFQ.
 665          */
 666         if (!port) {
 667                 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
 668                 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
 669         } else {
 670                 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
 671                 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
 672         }
 673
 674         for (i = 0; i < max_cos; i++)
 675                 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
 676 }
 677
 678 /******************************************************************************
 679 * Description:
 680 *       Will return the PBF ETS registers to init values.Except
 681 *       credit_upper_bound.
 682 *       That isn't used in this configuration (No WFQ is enabled) and will be
 683 *       configured acording to spec
 684 *.
 685 ******************************************************************************/
 686 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
 687 {
 688         struct bnx2x *bp = params->bp;
 689         const u8 port = params->port;
 690         const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
 691         u8 i = 0;
 692         u32 base_weight = 0;
 693         u8 max_cos = 0;
 694
 695         /* Mapping between entry  priority to client number 0 - COS0
 696          * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
 697          * TODO_ETS - Should be done by reset value or init tool
 698          */
 699         if (port)
 700                 /*  0x688 (|011|0 10|00 1|000) */
 701                 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
 702         else
 703                 /*  (10 1|100 |011|0 10|00 1|000) */
 704                 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
 705
 706         /* TODO_ETS - Should be done by reset value or init tool */
 707         if (port)
 708                 /* 0x688 (|011|0 10|00 1|000)*/
 709                 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
 710         else
 711         /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
 712         REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
 713
 714         REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
 715                    PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
 716
 717
 718         REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
 719                    PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
 720
 721         REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
 722                    PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
 723         /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
 724          * In 4 port mode port1 has COS0-2 that can be used for WFQ.
 725          */
 726         if (!port) {
 727                 base_weight = PBF_REG_COS0_WEIGHT_P0;
 728                 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
 729         } else {
 730                 base_weight = PBF_REG_COS0_WEIGHT_P1;
 731                 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
 732         }
 733
 734         for (i = 0; i < max_cos; i++)
 735                 REG_WR(bp, base_weight + (0x4 * i), 0);
 736
 737         bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
 738 }
 739 /******************************************************************************
 740 * Description:
 741 *       E3B0 disable will return basicly the values to init values.
 742 *.
 743 ******************************************************************************/
 744 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
 745                                    const struct link_vars *vars)
 746 {
 747         struct bnx2x *bp = params->bp;
 748
 749         if (!CHIP_IS_E3B0(bp)) {
 750                 DP(NETIF_MSG_LINK,
 751                    "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
 752                 return -EINVAL;
 753         }
 754
 755         bnx2x_ets_e3b0_nig_disabled(params, vars);
 756
 757         bnx2x_ets_e3b0_pbf_disabled(params);
 758
 759         return 0;
 760 }
 761
 762 /******************************************************************************
 763 * Description:
 764 *       Disable will return basicly the values to init values.
 765 *
 766 ******************************************************************************/
 767 int bnx2x_ets_disabled(struct link_params *params,
 768                       struct link_vars *vars)
 769 {
 770         struct bnx2x *bp = params->bp;
 771         int bnx2x_status = 0;
 772
 773         if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
 774                 bnx2x_ets_e2e3a0_disabled(params);
 775         else if (CHIP_IS_E3B0(bp))
 776                 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
 777         else {
 778                 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
 779                 return -EINVAL;
 780         }
 781
 782         return bnx2x_status;
 783 }
 784
 785 /******************************************************************************
 786 * Description
 787 *       Set the COS mappimg to SP and BW until this point all the COS are not
 788 *       set as SP or BW.
 789 ******************************************************************************/
 790 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
 791                                   const struct bnx2x_ets_params *ets_params,
 792                                   const u8 cos_sp_bitmap,
 793                                   const u8 cos_bw_bitmap)
 794 {
 795         struct bnx2x *bp = params->bp;
 796         const u8 port = params->port;
 797         const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
 798         const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
 799         const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
 800         const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
 801
 802         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
 803                NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
 804
 805         REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
 806                PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
 807
 808         REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
 809                NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
 810                nig_cli_subject2wfq_bitmap);
 811
 812         REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
 813                PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
 814                pbf_cli_subject2wfq_bitmap);
 815
 816         return 0;
 817 }
 818
 819 /******************************************************************************
 820 * Description:
 821 *       This function is needed because NIG ARB_CREDIT_WEIGHT_X are
 822 *       not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
 823 ******************************************************************************/
 824 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
 825                                      const u8 cos_entry,
 826                                      const u32 min_w_val_nig,
 827                                      const u32 min_w_val_pbf,
 828                                      const u16 total_bw,
 829                                      const u8 bw,
 830                                      const u8 port)
 831 {
 832         u32 nig_reg_adress_crd_weight = 0;
 833         u32 pbf_reg_adress_crd_weight = 0;
 834         /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
 835         const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
 836         const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
 837
 838         switch (cos_entry) {
 839         case 0:
 840             nig_reg_adress_crd_weight =
 841                  (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
 842                      NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
 843              pbf_reg_adress_crd_weight = (port) ?
 844                  PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
 845              break;
 846         case 1:
 847              nig_reg_adress_crd_weight = (port) ?
 848                  NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
 849                  NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
 850              pbf_reg_adress_crd_weight = (port) ?
 851                  PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
 852              break;
 853         case 2:
 854              nig_reg_adress_crd_weight = (port) ?
 855                  NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
 856                  NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
 857
 858                  pbf_reg_adress_crd_weight = (port) ?
 859                      PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
 860              break;
 861         case 3:
 862             if (port)
 863                         return -EINVAL;
 864              nig_reg_adress_crd_weight =
 865                  NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
 866              pbf_reg_adress_crd_weight =
 867                  PBF_REG_COS3_WEIGHT_P0;
 868              break;
 869         case 4:
 870             if (port)
 871                 return -EINVAL;
 872              nig_reg_adress_crd_weight =
 873                  NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
 874              pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
 875              break;
 876         case 5:
 877             if (port)
 878                 return -EINVAL;
 879              nig_reg_adress_crd_weight =
 880                  NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
 881              pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
 882              break;
 883         }
 884
 885         REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
 886
 887         REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
 888
 889         return 0;
 890 }
 891 /******************************************************************************
 892 * Description:
 893 *       Calculate the total BW.A value of 0 isn't legal.
 894 *
 895 ******************************************************************************/
 896 static int bnx2x_ets_e3b0_get_total_bw(
 897         const struct link_params *params,
 898         struct bnx2x_ets_params *ets_params,
 899         u16 *total_bw)
 900 {
 901         struct bnx2x *bp = params->bp;
 902         u8 cos_idx = 0;
 903         u8 is_bw_cos_exist = 0;
 904
 905         *total_bw = 0 ;
 906         /* Calculate total BW requested */
 907         for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
 908                 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
 909                         is_bw_cos_exist = 1;
 910                         if (!ets_params->cos[cos_idx].params.bw_params.bw) {
 911                                 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
 912                                                    "was set to 0\n");
 913                                 /* This is to prevent a state when ramrods
 914                                  * can't be sent
 915                                  */
 916                                 ets_params->cos[cos_idx].params.bw_params.bw
 917                                          = 1;
 918                         }
 919                         *total_bw +=
 920                                 ets_params->cos[cos_idx].params.bw_params.bw;
 921                 }
 922         }
 923
 924         /* Check total BW is valid */
 925         if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
 926                 if (*total_bw == 0) {
 927                         DP(NETIF_MSG_LINK,
 928                            "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
 929                         return -EINVAL;
 930                 }
 931                 DP(NETIF_MSG_LINK,
 932                    "bnx2x_ets_E3B0_config total BW should be 100\n");
 933                 /* We can handle a case whre the BW isn't 100 this can happen
 934                  * if the TC are joined.
 935                  */
 936         }
 937         return 0;
 938 }
 939
 940 /******************************************************************************
 941 * Description:
 942 *       Invalidate all the sp_pri_to_cos.
 943 *
 944 ******************************************************************************/
 945 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
 946 {
 947         u8 pri = 0;
 948         for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
 949                 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
 950 }
 951 /******************************************************************************
 952 * Description:
 953 *       Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
 954 *       according to sp_pri_to_cos.
 955 *
 956 ******************************************************************************/
 957 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
 958                                             u8 *sp_pri_to_cos, const u8 pri,
 959                                             const u8 cos_entry)
 960 {
 961         struct bnx2x *bp = params->bp;
 962         const u8 port = params->port;
 963         const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
 964                 DCBX_E3B0_MAX_NUM_COS_PORT0;
 965
 966         if (pri >= max_num_of_cos) {
 967                 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
 968                    "parameter Illegal strict priority\n");
 969             return -EINVAL;
 970         }
 971
 972         if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
 973                 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
 974                                    "parameter There can't be two COS's with "
 975                                    "the same strict pri\n");
 976                 return -EINVAL;
 977         }
 978
 979         sp_pri_to_cos[pri] = cos_entry;
 980         return 0;
 981
 982 }
 983
 984 /******************************************************************************
 985 * Description:
 986 *       Returns the correct value according to COS and priority in
 987 *       the sp_pri_cli register.
 988 *
 989 ******************************************************************************/
 990 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
 991                                          const u8 pri_set,
 992                                          const u8 pri_offset,
 993                                          const u8 entry_size)
 994 {
 995         u64 pri_cli_nig = 0;
 996         pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
 997                                                     (pri_set + pri_offset));
 998
 999         return pri_cli_nig;
1000 }
1001 /******************************************************************************
1002 * Description:
1003 *       Returns the correct value according to COS and priority in the
1004 *       sp_pri_cli register for NIG.
1005 *
1006 ******************************************************************************/
1007 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1008 {
1009         /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1010         const u8 nig_cos_offset = 3;
1011         const u8 nig_pri_offset = 3;
1012
1013         return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1014                 nig_pri_offset, 4);
1015
1016 }
1017 /******************************************************************************
1018 * Description:
1019 *       Returns the correct value according to COS and priority in the
1020 *       sp_pri_cli register for PBF.
1021 *
1022 ******************************************************************************/
1023 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1024 {
1025         const u8 pbf_cos_offset = 0;
1026         const u8 pbf_pri_offset = 0;
1027
1028         return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1029                 pbf_pri_offset, 3);
1030
1031 }
1032
1033 /******************************************************************************
1034 * Description:
1035 *       Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1036 *       according to sp_pri_to_cos.(which COS has higher priority)
1037 *
1038 ******************************************************************************/
1039 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1040                                              u8 *sp_pri_to_cos)
1041 {
1042         struct bnx2x *bp = params->bp;
1043         u8 i = 0;
1044         const u8 port = params->port;
1045         /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1046         u64 pri_cli_nig = 0x210;
1047         u32 pri_cli_pbf = 0x0;
1048         u8 pri_set = 0;
1049         u8 pri_bitmask = 0;
1050         const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1051                 DCBX_E3B0_MAX_NUM_COS_PORT0;
1052
1053         u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1054
1055         /* Set all the strict priority first */
1056         for (i = 0; i < max_num_of_cos; i++) {
1057                 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1058                         if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1059                                 DP(NETIF_MSG_LINK,
1060                                            "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1061                                            "invalid cos entry\n");
1062                                 return -EINVAL;
1063                         }
1064
1065                         pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1066                             sp_pri_to_cos[i], pri_set);
1067
1068                         pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1069                             sp_pri_to_cos[i], pri_set);
1070                         pri_bitmask = 1 << sp_pri_to_cos[i];
1071                         /* COS is used remove it from bitmap.*/
1072                         if (!(pri_bitmask & cos_bit_to_set)) {
1073                                 DP(NETIF_MSG_LINK,
1074                                         "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1075                                         "invalid There can't be two COS's with"
1076                                         " the same strict pri\n");
1077                                 return -EINVAL;
1078                         }
1079                         cos_bit_to_set &= ~pri_bitmask;
1080                         pri_set++;
1081                 }
1082         }
1083
1084         /* Set all the Non strict priority i= COS*/
1085         for (i = 0; i < max_num_of_cos; i++) {
1086                 pri_bitmask = 1 << i;
1087                 /* Check if COS was already used for SP */
1088                 if (pri_bitmask & cos_bit_to_set) {
1089                         /* COS wasn't used for SP */
1090                         pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1091                             i, pri_set);
1092
1093                         pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1094                             i, pri_set);
1095                         /* COS is used remove it from bitmap.*/
1096                         cos_bit_to_set &= ~pri_bitmask;
1097                         pri_set++;
1098                 }
1099         }
1100
1101         if (pri_set != max_num_of_cos) {
1102                 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1103                                    "entries were set\n");
1104                 return -EINVAL;
1105         }
1106
1107         if (port) {
1108                 /* Only 6 usable clients*/
1109                 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1110                        (u32)pri_cli_nig);
1111
1112                 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1113         } else {
1114                 /* Only 9 usable clients*/
1115                 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1116                 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1117
1118                 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1119                        pri_cli_nig_lsb);
1120                 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1121                        pri_cli_nig_msb);
1122
1123                 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1124         }
1125         return 0;
1126 }
1127
1128 /******************************************************************************
1129 * Description:
1130 *       Configure the COS to ETS according to BW and SP settings.
1131 ******************************************************************************/
1132 int bnx2x_ets_e3b0_config(const struct link_params *params,
1133                          const struct link_vars *vars,
1134                          struct bnx2x_ets_params *ets_params)
1135 {
1136         struct bnx2x *bp = params->bp;
1137         int bnx2x_status = 0;
1138         const u8 port = params->port;
1139         u16 total_bw = 0;
1140         const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1141         const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1142         u8 cos_bw_bitmap = 0;
1143         u8 cos_sp_bitmap = 0;
1144         u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1145         const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1146                 DCBX_E3B0_MAX_NUM_COS_PORT0;
1147         u8 cos_entry = 0;
1148
1149         if (!CHIP_IS_E3B0(bp)) {
1150                 DP(NETIF_MSG_LINK,
1151                    "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1152                 return -EINVAL;
1153         }
1154
1155         if ((ets_params->num_of_cos > max_num_of_cos)) {
1156                 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1157                                    "isn't supported\n");
1158                 return -EINVAL;
1159         }
1160
1161         /* Prepare sp strict priority parameters*/
1162         bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1163
1164         /* Prepare BW parameters*/
1165         bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1166                                                    &total_bw);
1167         if (bnx2x_status) {
1168                 DP(NETIF_MSG_LINK,
1169                    "bnx2x_ets_E3B0_config get_total_bw failed\n");
1170                 return -EINVAL;
1171         }
1172
1173         /* Upper bound is set according to current link speed (min_w_val
1174          * should be the same for upper bound and COS credit val).
1175          */
1176         bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1177         bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1178
1179
1180         for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1181                 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1182                         cos_bw_bitmap |= (1 << cos_entry);
1183                         /* The function also sets the BW in HW(not the mappin
1184                          * yet)
1185                          */
1186                         bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1187                                 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1188                                 total_bw,
1189                                 ets_params->cos[cos_entry].params.bw_params.bw,
1190                                  port);
1191                 } else if (bnx2x_cos_state_strict ==
1192                         ets_params->cos[cos_entry].state){
1193                         cos_sp_bitmap |= (1 << cos_entry);
1194
1195                         bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1196                                 params,
1197                                 sp_pri_to_cos,
1198                                 ets_params->cos[cos_entry].params.sp_params.pri,
1199                                 cos_entry);
1200
1201                 } else {
1202                         DP(NETIF_MSG_LINK,
1203                            "bnx2x_ets_e3b0_config cos state not valid\n");
1204                         return -EINVAL;
1205                 }
1206                 if (bnx2x_status) {
1207                         DP(NETIF_MSG_LINK,
1208                            "bnx2x_ets_e3b0_config set cos bw failed\n");
1209                         return bnx2x_status;
1210                 }
1211         }
1212
1213         /* Set SP register (which COS has higher priority) */
1214         bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1215                                                          sp_pri_to_cos);
1216
1217         if (bnx2x_status) {
1218                 DP(NETIF_MSG_LINK,
1219                    "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1220                 return bnx2x_status;
1221         }
1222
1223         /* Set client mapping of BW and strict */
1224         bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1225                                               cos_sp_bitmap,
1226                                               cos_bw_bitmap);
1227
1228         if (bnx2x_status) {
1229                 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1230                 return bnx2x_status;
1231         }
1232         return 0;
1233 }
1234 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1235 {
1236         /* ETS disabled configuration */
1237         struct bnx2x *bp = params->bp;
1238         DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1239         /* Defines which entries (clients) are subjected to WFQ arbitration
1240          * COS0 0x8
1241          * COS1 0x10
1242          */
1243         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1244         /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1245          * client numbers (WEIGHT_0 does not actually have to represent
1246          * client 0)
1247          *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1248          *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1249          */
1250         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1251
1252         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1253                ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1254         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1255                ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1256
1257         /* ETS mode enabled*/
1258         REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1259
1260         /* Defines the number of consecutive slots for the strict priority */
1261         REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1262         /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1263          * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1264          * entry, 4 - COS1 entry.
1265          * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1266          * bit4   bit3    bit2     bit1    bit0
1267          * MCP and debug are strict
1268          */
1269         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1270
1271         /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1272         REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1273                ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1274         REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1275                ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1276 }
1277
1278 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1279                         const u32 cos1_bw)
1280 {
1281         /* ETS disabled configuration*/
1282         struct bnx2x *bp = params->bp;
1283         const u32 total_bw = cos0_bw + cos1_bw;
1284         u32 cos0_credit_weight = 0;
1285         u32 cos1_credit_weight = 0;
1286
1287         DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1288
1289         if ((!total_bw) ||
1290             (!cos0_bw) ||
1291             (!cos1_bw)) {
1292                 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1293                 return;
1294         }
1295
1296         cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1297                 total_bw;
1298         cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1299                 total_bw;
1300
1301         bnx2x_ets_bw_limit_common(params);
1302
1303         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1304         REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1305
1306         REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1307         REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1308 }
1309
1310 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1311 {
1312         /* ETS disabled configuration*/
1313         struct bnx2x *bp = params->bp;
1314         u32 val = 0;
1315
1316         DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1317         /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1318          * as strict.  Bits 0,1,2 - debug and management entries,
1319          * 3 - COS0 entry, 4 - COS1 entry.
1320          *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1321          *  bit4   bit3   bit2      bit1     bit0
1322          * MCP and debug are strict
1323          */
1324         REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1325         /* For strict priority entries defines the number of consecutive slots
1326          * for the highest priority.
1327          */
1328         REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1329         /* ETS mode disable */
1330         REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1331         /* Defines the number of consecutive slots for the strict priority */
1332         REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1333
1334         /* Defines the number of consecutive slots for the strict priority */
1335         REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1336
1337         /* Mapping between entry  priority to client number (0,1,2 -debug and
1338          * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1339          * 3bits client num.
1340          *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1341          * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
1342          * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
1343          */
1344         val = (!strict_cos) ? 0x2318 : 0x22E0;
1345         REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1346
1347         return 0;
1348 }
1349
1350 /******************************************************************/
1351 /*                      PFC section                               */
1352 /******************************************************************/
1353 static void bnx2x_update_pfc_xmac(struct link_params *params,
1354                                   struct link_vars *vars,
1355                                   u8 is_lb)
1356 {
1357         struct bnx2x *bp = params->bp;
1358         u32 xmac_base;
1359         u32 pause_val, pfc0_val, pfc1_val;
1360
1361         /* XMAC base adrr */
1362         xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1363
1364         /* Initialize pause and pfc registers */
1365         pause_val = 0x18000;
1366         pfc0_val = 0xFFFF8000;
1367         pfc1_val = 0x2;
1368
1369         /* No PFC support */
1370         if (!(params->feature_config_flags &
1371               FEATURE_CONFIG_PFC_ENABLED)) {
1372
1373                 /* RX flow control - Process pause frame in receive direction
1374                  */
1375                 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1376                         pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1377
1378                 /* TX flow control - Send pause packet when buffer is full */
1379                 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1380                         pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1381         } else {/* PFC support */
1382                 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1383                         XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1384                         XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1385                         XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1386                         XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1387                 /* Write pause and PFC registers */
1388                 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1389                 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1390                 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1391                 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1392
1393         }
1394
1395         /* Write pause and PFC registers */
1396         REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1397         REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1398         REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1399
1400
1401         /* Set MAC address for source TX Pause/PFC frames */
1402         REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1403                ((params->mac_addr[2] << 24) |
1404                 (params->mac_addr[3] << 16) |
1405                 (params->mac_addr[4] << 8) |
1406                 (params->mac_addr[5])));
1407         REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1408                ((params->mac_addr[0] << 8) |
1409                 (params->mac_addr[1])));
1410
1411         udelay(30);
1412 }
1413
1414 /******************************************************************/
1415 /*                      MAC/PBF section                           */
1416 /******************************************************************/
1417 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1418                                u32 emac_base)
1419 {
1420         u32 new_mode, cur_mode;
1421         u32 clc_cnt;
1422         /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1423          * (a value of 49==0x31) and make sure that the AUTO poll is off
1424          */
1425         cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1426
1427         if (USES_WARPCORE(bp))
1428                 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1429         else
1430                 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1431
1432         if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1433             (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1434                 return;
1435
1436         new_mode = cur_mode &
1437                 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1438         new_mode |= clc_cnt;
1439         new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1440
1441         DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1442            cur_mode, new_mode);
1443         REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1444         udelay(40);
1445 }
1446
1447 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1448                                         struct link_params *params)
1449 {
1450         u8 phy_index;
1451         /* Set mdio clock per phy */
1452         for (phy_index = INT_PHY; phy_index < params->num_phys;
1453               phy_index++)
1454                 bnx2x_set_mdio_clk(bp, params->chip_id,
1455                                    params->phy[phy_index].mdio_ctrl);
1456 }
1457
1458 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1459 {
1460         u32 port4mode_ovwr_val;
1461         /* Check 4-port override enabled */
1462         port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1463         if (port4mode_ovwr_val & (1<<0)) {
1464                 /* Return 4-port mode override value */
1465                 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1466         }
1467         /* Return 4-port mode from input pin */
1468         return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1469 }
1470
1471 static void bnx2x_emac_init(struct link_params *params,
1472                             struct link_vars *vars)
1473 {
1474         /* reset and unreset the emac core */
1475         struct bnx2x *bp = params->bp;
1476         u8 port = params->port;
1477         u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1478         u32 val;
1479         u16 timeout;
1480
1481         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1482                (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1483         udelay(5);
1484         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1485                (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1486
1487         /* init emac - use read-modify-write */
1488         /* self clear reset */
1489         val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1490         EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1491
1492         timeout = 200;
1493         do {
1494                 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1495                 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1496                 if (!timeout) {
1497                         DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1498                         return;
1499                 }
1500                 timeout--;
1501         } while (val & EMAC_MODE_RESET);
1502
1503         bnx2x_set_mdio_emac_per_phy(bp, params);
1504         /* Set mac address */
1505         val = ((params->mac_addr[0] << 8) |
1506                 params->mac_addr[1]);
1507         EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1508
1509         val = ((params->mac_addr[2] << 24) |
1510                (params->mac_addr[3] << 16) |
1511                (params->mac_addr[4] << 8) |
1512                 params->mac_addr[5]);
1513         EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1514 }
1515
1516 static void bnx2x_set_xumac_nig(struct link_params *params,
1517                                 u16 tx_pause_en,
1518                                 u8 enable)
1519 {
1520         struct bnx2x *bp = params->bp;
1521
1522         REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1523                enable);
1524         REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1525                enable);
1526         REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1527                NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1528 }
1529
1530 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1531 {
1532         u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1533         u32 val;
1534         struct bnx2x *bp = params->bp;
1535         if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1536                    (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1537                 return;
1538         val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1539         if (en)
1540                 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1541                         UMAC_COMMAND_CONFIG_REG_RX_ENA);
1542         else
1543                 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1544                          UMAC_COMMAND_CONFIG_REG_RX_ENA);
1545         /* Disable RX and TX */
1546         REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1547 }
1548
1549 static void bnx2x_umac_enable(struct link_params *params,
1550                             struct link_vars *vars, u8 lb)
1551 {
1552         u32 val;
1553         u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1554         struct bnx2x *bp = params->bp;
1555         /* Reset UMAC */
1556         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1557                (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1558         usleep_range(1000, 2000);
1559
1560         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1561                (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1562
1563         DP(NETIF_MSG_LINK, "enabling UMAC\n");
1564
1565         /* This register opens the gate for the UMAC despite its name */
1566         REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1567
1568         val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1569                 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1570                 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1571                 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1572         switch (vars->line_speed) {
1573         case SPEED_10:
1574                 val |= (0<<2);
1575                 break;
1576         case SPEED_100:
1577                 val |= (1<<2);
1578                 break;
1579         case SPEED_1000:
1580                 val |= (2<<2);
1581                 break;
1582         case SPEED_2500:
1583                 val |= (3<<2);
1584                 break;
1585         default:
1586                 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1587                                vars->line_speed);
1588                 break;
1589         }
1590         if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1591                 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1592
1593         if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1594                 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1595
1596         if (vars->duplex == DUPLEX_HALF)
1597                 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1598
1599         REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1600         udelay(50);
1601
1602         /* Configure UMAC for EEE */
1603         if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1604                 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1605                 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1606                        UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1607                 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1608         } else {
1609                 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1610         }
1611
1612         /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1613         REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1614                ((params->mac_addr[2] << 24) |
1615                 (params->mac_addr[3] << 16) |
1616                 (params->mac_addr[4] << 8) |
1617                 (params->mac_addr[5])));
1618         REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1619                ((params->mac_addr[0] << 8) |
1620                 (params->mac_addr[1])));
1621
1622         /* Enable RX and TX */
1623         val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1624         val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1625                 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1626         REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1627         udelay(50);
1628
1629         /* Remove SW Reset */
1630         val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1631
1632         /* Check loopback mode */
1633         if (lb)
1634                 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1635         REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1636
1637         /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1638          * length used by the MAC receive logic to check frames.
1639          */
1640         REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1641         bnx2x_set_xumac_nig(params,
1642                             ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1643         vars->mac_type = MAC_TYPE_UMAC;
1644
1645 }
1646
1647 /* Define the XMAC mode */
1648 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1649 {
1650         struct bnx2x *bp = params->bp;
1651         u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1652
1653         /* In 4-port mode, need to set the mode only once, so if XMAC is
1654          * already out of reset, it means the mode has already been set,
1655          * and it must not* reset the XMAC again, since it controls both
1656          * ports of the path
1657          */
1658
1659         if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1660              (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1661              (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1662             is_port4mode &&
1663             (REG_RD(bp, MISC_REG_RESET_REG_2) &
1664              MISC_REGISTERS_RESET_REG_2_XMAC)) {
1665                 DP(NETIF_MSG_LINK,
1666                    "XMAC already out of reset in 4-port mode\n");
1667                 return;
1668         }
1669
1670         /* Hard reset */
1671         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1672                MISC_REGISTERS_RESET_REG_2_XMAC);
1673         usleep_range(1000, 2000);
1674
1675         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1676                MISC_REGISTERS_RESET_REG_2_XMAC);
1677         if (is_port4mode) {
1678                 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1679
1680                 /* Set the number of ports on the system side to up to 2 */
1681                 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1682
1683                 /* Set the number of ports on the Warp Core to 10G */
1684                 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1685         } else {
1686                 /* Set the number of ports on the system side to 1 */
1687                 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1688                 if (max_speed == SPEED_10000) {
1689                         DP(NETIF_MSG_LINK,
1690                            "Init XMAC to 10G x 1 port per path\n");
1691                         /* Set the number of ports on the Warp Core to 10G */
1692                         REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1693                 } else {
1694                         DP(NETIF_MSG_LINK,
1695                            "Init XMAC to 20G x 2 ports per path\n");
1696                         /* Set the number of ports on the Warp Core to 20G */
1697                         REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1698                 }
1699         }
1700         /* Soft reset */
1701         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1702                MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1703         usleep_range(1000, 2000);
1704
1705         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1706                MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1707
1708 }
1709
1710 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1711 {
1712         u8 port = params->port;
1713         struct bnx2x *bp = params->bp;
1714         u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1715         u32 val;
1716
1717         if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1718             MISC_REGISTERS_RESET_REG_2_XMAC) {
1719                 /* Send an indication to change the state in the NIG back to XON
1720                  * Clearing this bit enables the next set of this bit to get
1721                  * rising edge
1722                  */
1723                 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1724                 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1725                        (pfc_ctrl & ~(1<<1)));
1726                 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1727                        (pfc_ctrl | (1<<1)));
1728                 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1729                 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1730                 if (en)
1731                         val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1732                 else
1733                         val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1734                 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1735         }
1736 }
1737
1738 static int bnx2x_xmac_enable(struct link_params *params,
1739                              struct link_vars *vars, u8 lb)
1740 {
1741         u32 val, xmac_base;
1742         struct bnx2x *bp = params->bp;
1743         DP(NETIF_MSG_LINK, "enabling XMAC\n");
1744
1745         xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1746
1747         bnx2x_xmac_init(params, vars->line_speed);
1748
1749         /* This register determines on which events the MAC will assert
1750          * error on the i/f to the NIG along w/ EOP.
1751          */
1752
1753         /* This register tells the NIG whether to send traffic to UMAC
1754          * or XMAC
1755          */
1756         REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1757
1758         /* When XMAC is in XLGMII mode, disable sending idles for fault
1759          * detection.
1760          */
1761         if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1762                 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1763                        (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1764                         XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1765                 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1766                 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1767                        XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1768                        XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1769         }
1770         /* Set Max packet size */
1771         REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1772
1773         /* CRC append for Tx packets */
1774         REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1775
1776         /* update PFC */
1777         bnx2x_update_pfc_xmac(params, vars, 0);
1778
1779         if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1780                 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1781                 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1782                 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1783         } else {
1784                 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1785         }
1786
1787         /* Enable TX and RX */
1788         val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1789
1790         /* Set MAC in XLGMII mode for dual-mode */
1791         if ((vars->line_speed == SPEED_20000) &&
1792             (params->phy[INT_PHY].supported &
1793              SUPPORTED_20000baseKR2_Full))
1794                 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1795
1796         /* Check loopback mode */
1797         if (lb)
1798                 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1799         REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1800         bnx2x_set_xumac_nig(params,
1801                             ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1802
1803         vars->mac_type = MAC_TYPE_XMAC;
1804
1805         return 0;
1806 }
1807
1808 static int bnx2x_emac_enable(struct link_params *params,
1809                              struct link_vars *vars, u8 lb)
1810 {
1811         struct bnx2x *bp = params->bp;
1812         u8 port = params->port;
1813         u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1814         u32 val;
1815
1816         DP(NETIF_MSG_LINK, "enabling EMAC\n");
1817
1818         /* Disable BMAC */
1819         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1820                (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1821
1822         /* enable emac and not bmac */
1823         REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1824
1825         /* ASIC */
1826         if (vars->phy_flags & PHY_XGXS_FLAG) {
1827                 u32 ser_lane = ((params->lane_config &
1828                                  PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1829                                 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1830
1831                 DP(NETIF_MSG_LINK, "XGXS\n");
1832                 /* select the master lanes (out of 0-3) */
1833                 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1834                 /* select XGXS */
1835                 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1836
1837         } else { /* SerDes */
1838                 DP(NETIF_MSG_LINK, "SerDes\n");
1839                 /* select SerDes */
1840                 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1841         }
1842
1843         bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1844                       EMAC_RX_MODE_RESET);
1845         bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1846                       EMAC_TX_MODE_RESET);
1847
1848                 /* pause enable/disable */
1849                 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1850                                EMAC_RX_MODE_FLOW_EN);
1851
1852                 bnx2x_bits_dis(bp,  emac_base + EMAC_REG_EMAC_TX_MODE,
1853                                (EMAC_TX_MODE_EXT_PAUSE_EN |
1854                                 EMAC_TX_MODE_FLOW_EN));
1855                 if (!(params->feature_config_flags &
1856                       FEATURE_CONFIG_PFC_ENABLED)) {
1857                         if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1858                                 bnx2x_bits_en(bp, emac_base +
1859                                               EMAC_REG_EMAC_RX_MODE,
1860                                               EMAC_RX_MODE_FLOW_EN);
1861
1862                         if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1863                                 bnx2x_bits_en(bp, emac_base +
1864                                               EMAC_REG_EMAC_TX_MODE,
1865                                               (EMAC_TX_MODE_EXT_PAUSE_EN |
1866                                                EMAC_TX_MODE_FLOW_EN));
1867                 } else
1868                         bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1869                                       EMAC_TX_MODE_FLOW_EN);
1870
1871         /* KEEP_VLAN_TAG, promiscuous */
1872         val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1873         val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1874
1875         /* Setting this bit causes MAC control frames (except for pause
1876          * frames) to be passed on for processing. This setting has no
1877          * affect on the operation of the pause frames. This bit effects
1878          * all packets regardless of RX Parser packet sorting logic.
1879          * Turn the PFC off to make sure we are in Xon state before
1880          * enabling it.
1881          */
1882         EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1883         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1884                 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1885                 /* Enable PFC again */
1886                 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1887                         EMAC_REG_RX_PFC_MODE_RX_EN |
1888                         EMAC_REG_RX_PFC_MODE_TX_EN |
1889                         EMAC_REG_RX_PFC_MODE_PRIORITIES);
1890
1891                 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1892                         ((0x0101 <<
1893                           EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1894                          (0x00ff <<
1895                           EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1896                 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1897         }
1898         EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1899
1900         /* Set Loopback */
1901         val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1902         if (lb)
1903                 val |= 0x810;
1904         else
1905                 val &= ~0x810;
1906         EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1907
1908         /* Enable emac */
1909         REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1910
1911         /* Enable emac for jumbo packets */
1912         EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1913                 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1914                  (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1915
1916         /* Strip CRC */
1917         REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1918
1919         /* Disable the NIG in/out to the bmac */
1920         REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1921         REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1922         REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1923
1924         /* Enable the NIG in/out to the emac */
1925         REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1926         val = 0;
1927         if ((params->feature_config_flags &
1928               FEATURE_CONFIG_PFC_ENABLED) ||
1929             (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1930                 val = 1;
1931
1932         REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1933         REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1934
1935         REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1936
1937         vars->mac_type = MAC_TYPE_EMAC;
1938         return 0;
1939 }
1940
1941 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1942                                    struct link_vars *vars)
1943 {
1944         u32 wb_data[2];
1945         struct bnx2x *bp = params->bp;
1946         u32 bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1947                 NIG_REG_INGRESS_BMAC0_MEM;
1948
1949         u32 val = 0x14;
1950         if ((!(params->feature_config_flags &
1951               FEATURE_CONFIG_PFC_ENABLED)) &&
1952                 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1953                 /* Enable BigMAC to react on received Pause packets */
1954                 val |= (1<<5);
1955         wb_data[0] = val;
1956         wb_data[1] = 0;
1957         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1958
1959         /* TX control */
1960         val = 0xc0;
1961         if (!(params->feature_config_flags &
1962               FEATURE_CONFIG_PFC_ENABLED) &&
1963                 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1964                 val |= 0x800000;
1965         wb_data[0] = val;
1966         wb_data[1] = 0;
1967         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1968 }
1969
1970 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1971                                    struct link_vars *vars,
1972                                    u8 is_lb)
1973 {
1974         /* Set rx control: Strip CRC and enable BigMAC to relay
1975          * control packets to the system as well
1976          */
1977         u32 wb_data[2];
1978         struct bnx2x *bp = params->bp;
1979         u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1980                 NIG_REG_INGRESS_BMAC0_MEM;
1981         u32 val = 0x14;
1982
1983         if ((!(params->feature_config_flags &
1984               FEATURE_CONFIG_PFC_ENABLED)) &&
1985                 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1986                 /* Enable BigMAC to react on received Pause packets */
1987                 val |= (1<<5);
1988         wb_data[0] = val;
1989         wb_data[1] = 0;
1990         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1991         udelay(30);
1992
1993         /* Tx control */
1994         val = 0xc0;
1995         if (!(params->feature_config_flags &
1996                                 FEATURE_CONFIG_PFC_ENABLED) &&
1997             (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1998                 val |= 0x800000;
1999         wb_data[0] = val;
2000         wb_data[1] = 0;
2001         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2002
2003         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2004                 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2005                 /* Enable PFC RX & TX & STATS and set 8 COS  */
2006                 wb_data[0] = 0x0;
2007                 wb_data[0] |= (1<<0);  /* RX */
2008                 wb_data[0] |= (1<<1);  /* TX */
2009                 wb_data[0] |= (1<<2);  /* Force initial Xon */
2010                 wb_data[0] |= (1<<3);  /* 8 cos */
2011                 wb_data[0] |= (1<<5);  /* STATS */
2012                 wb_data[1] = 0;
2013                 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2014                             wb_data, 2);
2015                 /* Clear the force Xon */
2016                 wb_data[0] &= ~(1<<2);
2017         } else {
2018                 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2019                 /* Disable PFC RX & TX & STATS and set 8 COS */
2020                 wb_data[0] = 0x8;
2021                 wb_data[1] = 0;
2022         }
2023
2024         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2025
2026         /* Set Time (based unit is 512 bit time) between automatic
2027          * re-sending of PP packets amd enable automatic re-send of
2028          * Per-Priroity Packet as long as pp_gen is asserted and
2029          * pp_disable is low.
2030          */
2031         val = 0x8000;
2032         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2033                 val |= (1<<16); /* enable automatic re-send */
2034
2035         wb_data[0] = val;
2036         wb_data[1] = 0;
2037         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2038                     wb_data, 2);
2039
2040         /* mac control */
2041         val = 0x3; /* Enable RX and TX */
2042         if (is_lb) {
2043                 val |= 0x4; /* Local loopback */
2044                 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2045         }
2046         /* When PFC enabled, Pass pause frames towards the NIG. */
2047         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2048                 val |= ((1<<6)|(1<<5));
2049
2050         wb_data[0] = val;
2051         wb_data[1] = 0;
2052         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2053 }
2054
2055 /******************************************************************************
2056 * Description:
2057 *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2058 *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2059 ******************************************************************************/
2060 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2061                                            u8 cos_entry,
2062                                            u32 priority_mask, u8 port)
2063 {
2064         u32 nig_reg_rx_priority_mask_add = 0;
2065
2066         switch (cos_entry) {
2067         case 0:
2068              nig_reg_rx_priority_mask_add = (port) ?
2069                  NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2070                  NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2071              break;
2072         case 1:
2073             nig_reg_rx_priority_mask_add = (port) ?
2074                 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2075                 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2076             break;
2077         case 2:
2078             nig_reg_rx_priority_mask_add = (port) ?
2079                 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2080                 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2081             break;
2082         case 3:
2083             if (port)
2084                 return -EINVAL;
2085             nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2086             break;
2087         case 4:
2088             if (port)
2089                 return -EINVAL;
2090             nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2091             break;
2092         case 5:
2093             if (port)
2094                 return -EINVAL;
2095             nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2096             break;
2097         }
2098
2099         REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2100
2101         return 0;
2102 }
2103 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2104 {
2105         struct bnx2x *bp = params->bp;
2106
2107         REG_WR(bp, params->shmem_base +
2108                offsetof(struct shmem_region,
2109                         port_mb[params->port].link_status), link_status);
2110 }
2111
2112 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2113 {
2114         struct bnx2x *bp = params->bp;
2115
2116         if (SHMEM2_HAS(bp, link_attr_sync))
2117                 REG_WR(bp, params->shmem2_base +
2118                        offsetof(struct shmem2_region,
2119                                 link_attr_sync[params->port]), link_attr);
2120 }
2121
2122 static void bnx2x_update_pfc_nig(struct link_params *params,
2123                 struct link_vars *vars,
2124                 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2125 {
2126         u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2127         u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2128         u32 pkt_priority_to_cos = 0;
2129         struct bnx2x *bp = params->bp;
2130         u8 port = params->port;
2131
2132         int set_pfc = params->feature_config_flags &
2133                 FEATURE_CONFIG_PFC_ENABLED;
2134         DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2135
2136         /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2137          * MAC control frames (that are not pause packets)
2138          * will be forwarded to the XCM.
2139          */
2140         xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2141                           NIG_REG_LLH0_XCM_MASK);
2142         /* NIG params will override non PFC params, since it's possible to
2143          * do transition from PFC to SAFC
2144          */
2145         if (set_pfc) {
2146                 pause_enable = 0;
2147                 llfc_out_en = 0;
2148                 llfc_enable = 0;
2149                 if (CHIP_IS_E3(bp))
2150                         ppp_enable = 0;
2151                 else
2152                         ppp_enable = 1;
2153                 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2154                                      NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2155                 xcm_out_en = 0;
2156                 hwpfc_enable = 1;
2157         } else  {
2158                 if (nig_params) {
2159                         llfc_out_en = nig_params->llfc_out_en;
2160                         llfc_enable = nig_params->llfc_enable;
2161                         pause_enable = nig_params->pause_enable;
2162                 } else  /* Default non PFC mode - PAUSE */
2163                         pause_enable = 1;
2164
2165                 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2166                         NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2167                 xcm_out_en = 1;
2168         }
2169
2170         if (CHIP_IS_E3(bp))
2171                 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2172                        NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2173         REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2174                NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2175         REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2176                NIG_REG_LLFC_ENABLE_0, llfc_enable);
2177         REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2178                NIG_REG_PAUSE_ENABLE_0, pause_enable);
2179
2180         REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2181                NIG_REG_PPP_ENABLE_0, ppp_enable);
2182
2183         REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2184                NIG_REG_LLH0_XCM_MASK, xcm_mask);
2185
2186         REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2187                NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2188
2189         /* Output enable for RX_XCM # IF */
2190         REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2191                NIG_REG_XCM0_OUT_EN, xcm_out_en);
2192
2193         /* HW PFC TX enable */
2194         REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2195                NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2196
2197         if (nig_params) {
2198                 u8 i = 0;
2199                 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2200
2201                 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2202                         bnx2x_pfc_nig_rx_priority_mask(bp, i,
2203                 nig_params->rx_cos_priority_mask[i], port);
2204
2205                 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2206                        NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2207                        nig_params->llfc_high_priority_classes);
2208
2209                 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2210                        NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2211                        nig_params->llfc_low_priority_classes);
2212         }
2213         REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2214                NIG_REG_P0_PKT_PRIORITY_TO_COS,
2215                pkt_priority_to_cos);
2216 }
2217
2218 int bnx2x_update_pfc(struct link_params *params,
2219                       struct link_vars *vars,
2220                       struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2221 {
2222         /* The PFC and pause are orthogonal to one another, meaning when
2223          * PFC is enabled, the pause are disabled, and when PFC is
2224          * disabled, pause are set according to the pause result.
2225          */
2226         u32 val;
2227         struct bnx2x *bp = params->bp;
2228         u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2229
2230         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2231                 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2232         else
2233                 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2234
2235         bnx2x_update_mng(params, vars->link_status);
2236
2237         /* Update NIG params */
2238         bnx2x_update_pfc_nig(params, vars, pfc_params);
2239
2240         if (!vars->link_up)
2241                 return 0;
2242
2243         DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2244
2245         if (CHIP_IS_E3(bp)) {
2246                 if (vars->mac_type == MAC_TYPE_XMAC)
2247                         bnx2x_update_pfc_xmac(params, vars, 0);
2248         } else {
2249                 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2250                 if ((val &
2251                      (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2252                     == 0) {
2253                         DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2254                         bnx2x_emac_enable(params, vars, 0);
2255                         return 0;
2256                 }
2257                 if (CHIP_IS_E2(bp))
2258                         bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2259                 else
2260                         bnx2x_update_pfc_bmac1(params, vars);
2261
2262                 val = 0;
2263                 if ((params->feature_config_flags &
2264                      FEATURE_CONFIG_PFC_ENABLED) ||
2265                     (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2266                         val = 1;
2267                 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2268         }
2269         return 0;
2270 }
2271
2272 static int bnx2x_bmac1_enable(struct link_params *params,
2273                               struct link_vars *vars,
2274                               u8 is_lb)
2275 {
2276         struct bnx2x *bp = params->bp;
2277         u8 port = params->port;
2278         u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2279                                NIG_REG_INGRESS_BMAC0_MEM;
2280         u32 wb_data[2];
2281         u32 val;
2282
2283         DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2284
2285         /* XGXS control */
2286         wb_data[0] = 0x3c;
2287         wb_data[1] = 0;
2288         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2289                     wb_data, 2);
2290
2291         /* TX MAC SA */
2292         wb_data[0] = ((params->mac_addr[2] << 24) |
2293                        (params->mac_addr[3] << 16) |
2294                        (params->mac_addr[4] << 8) |
2295                         params->mac_addr[5]);
2296         wb_data[1] = ((params->mac_addr[0] << 8) |
2297                         params->mac_addr[1]);
2298         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2299
2300         /* MAC control */
2301         val = 0x3;
2302         if (is_lb) {
2303                 val |= 0x4;
2304                 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2305         }
2306         wb_data[0] = val;
2307         wb_data[1] = 0;
2308         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2309
2310         /* Set rx mtu */
2311         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2312         wb_data[1] = 0;
2313         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2314
2315         bnx2x_update_pfc_bmac1(params, vars);
2316
2317         /* Set tx mtu */
2318         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2319         wb_data[1] = 0;
2320         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2321
2322         /* Set cnt max size */
2323         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2324         wb_data[1] = 0;
2325         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2326
2327         /* Configure SAFC */
2328         wb_data[0] = 0x1000200;
2329         wb_data[1] = 0;
2330         REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2331                     wb_data, 2);
2332
2333         return 0;
2334 }
2335
2336 static int bnx2x_bmac2_enable(struct link_params *params,
2337                               struct link_vars *vars,
2338                               u8 is_lb)
2339 {
2340         struct bnx2x *bp = params->bp;
2341         u8 port = params->port;
2342         u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2343                                NIG_REG_INGRESS_BMAC0_MEM;
2344         u32 wb_data[2];
2345
2346         DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2347
2348         wb_data[0] = 0;
2349         wb_data[1] = 0;
2350         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2351         udelay(30);
2352
2353         /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2354         wb_data[0] = 0x3c;
2355         wb_data[1] = 0;
2356         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2357                     wb_data, 2);
2358
2359         udelay(30);
2360
2361         /* TX MAC SA */
2362         wb_data[0] = ((params->mac_addr[2] << 24) |
2363                        (params->mac_addr[3] << 16) |
2364                        (params->mac_addr[4] << 8) |
2365                         params->mac_addr[5]);
2366         wb_data[1] = ((params->mac_addr[0] << 8) |
2367                         params->mac_addr[1]);
2368         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2369                     wb_data, 2);
2370
2371         udelay(30);
2372
2373         /* Configure SAFC */
2374         wb_data[0] = 0x1000200;
2375         wb_data[1] = 0;
2376         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2377                     wb_data, 2);
2378         udelay(30);
2379
2380         /* Set RX MTU */
2381         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2382         wb_data[1] = 0;
2383         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2384         udelay(30);
2385
2386         /* Set TX MTU */
2387         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2388         wb_data[1] = 0;
2389         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2390         udelay(30);
2391         /* Set cnt max size */
2392         wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2393         wb_data[1] = 0;
2394         REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2395         udelay(30);
2396         bnx2x_update_pfc_bmac2(params, vars, is_lb);
2397
2398         return 0;
2399 }
2400
2401 static int bnx2x_bmac_enable(struct link_params *params,
2402                              struct link_vars *vars,
2403                              u8 is_lb, u8 reset_bmac)
2404 {
2405         int rc = 0;
2406         u8 port = params->port;
2407         struct bnx2x *bp = params->bp;
2408         u32 val;
2409         /* Reset and unreset the BigMac */
2410         if (reset_bmac) {
2411                 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2412                        (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2413                 usleep_range(1000, 2000);
2414         }
2415
2416         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2417                (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2418
2419         /* Enable access for bmac registers */
2420         REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2421
2422         /* Enable BMAC according to BMAC type*/
2423         if (CHIP_IS_E2(bp))
2424                 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2425         else
2426                 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2427         REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2428         REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2429         REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2430         val = 0;
2431         if ((params->feature_config_flags &
2432               FEATURE_CONFIG_PFC_ENABLED) ||
2433             (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2434                 val = 1;
2435         REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2436         REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2437         REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2438         REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2439         REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2440         REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2441
2442         vars->mac_type = MAC_TYPE_BMAC;
2443         return rc;
2444 }
2445
2446 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2447 {
2448         u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2449                         NIG_REG_INGRESS_BMAC0_MEM;
2450         u32 wb_data[2];
2451         u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2452
2453         if (CHIP_IS_E2(bp))
2454                 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2455         else
2456                 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2457         /* Only if the bmac is out of reset */
2458         if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2459                         (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2460             nig_bmac_enable) {
2461                 /* Clear Rx Enable bit in BMAC_CONTROL register */
2462                 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2463                 if (en)
2464                         wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2465                 else
2466                         wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2467                 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2468                 usleep_range(1000, 2000);
2469         }
2470 }
2471
2472 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2473                             u32 line_speed)
2474 {
2475         struct bnx2x *bp = params->bp;
2476         u8 port = params->port;
2477         u32 init_crd, crd;
2478         u32 count = 1000;
2479
2480         /* Disable port */
2481         REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2482
2483         /* Wait for init credit */
2484         init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2485         crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2486         DP(NETIF_MSG_LINK, "init_crd 0x%x  crd 0x%x\n", init_crd, crd);
2487
2488         while ((init_crd != crd) && count) {
2489                 usleep_range(5000, 10000);
2490                 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2491                 count--;
2492         }
2493         crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2494         if (init_crd != crd) {
2495                 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2496                           init_crd, crd);
2497                 return -EINVAL;
2498         }
2499
2500         if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2501             line_speed == SPEED_10 ||
2502             line_speed == SPEED_100 ||
2503             line_speed == SPEED_1000 ||
2504             line_speed == SPEED_2500) {
2505                 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2506                 /* Update threshold */
2507                 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2508                 /* Update init credit */
2509                 init_crd = 778;         /* (800-18-4) */
2510
2511         } else {
2512                 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2513                               ETH_OVREHEAD)/16;
2514                 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2515                 /* Update threshold */
2516                 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2517                 /* Update init credit */
2518                 switch (line_speed) {
2519                 case SPEED_10000:
2520                         init_crd = thresh + 553 - 22;
2521                         break;
2522                 default:
2523                         DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2524                                   line_speed);
2525                         return -EINVAL;
2526                 }
2527         }
2528         REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2529         DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2530                  line_speed, init_crd);
2531
2532         /* Probe the credit changes */
2533         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2534         usleep_range(5000, 10000);
2535         REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2536
2537         /* Enable port */
2538         REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2539         return 0;
2540 }
2541
2542 /**
2543  * bnx2x_get_emac_base - retrive emac base address
2544  *
2545  * @bp:                 driver handle
2546  * @mdc_mdio_access:    access type
2547  * @port:               port id
2548  *
2549  * This function selects the MDC/MDIO access (through emac0 or
2550  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2551  * phy has a default access mode, which could also be overridden
2552  * by nvram configuration. This parameter, whether this is the
2553  * default phy configuration, or the nvram overrun
2554  * configuration, is passed here as mdc_mdio_access and selects
2555  * the emac_base for the CL45 read/writes operations
2556  */
2557 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2558                                u32 mdc_mdio_access, u8 port)
2559 {
2560         u32 emac_base = 0;
2561         switch (mdc_mdio_access) {
2562         case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2563                 break;
2564         case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2565                 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2566                         emac_base = GRCBASE_EMAC1;
2567                 else
2568                         emac_base = GRCBASE_EMAC0;
2569                 break;
2570         case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2571                 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2572                         emac_base = GRCBASE_EMAC0;
2573                 else
2574                         emac_base = GRCBASE_EMAC1;
2575                 break;
2576         case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2577                 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2578                 break;
2579         case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2580                 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2581                 break;
2582         default:
2583                 break;
2584         }
2585         return emac_base;
2586
2587 }
2588
2589 /******************************************************************/
2590 /*                      CL22 access functions                     */
2591 /******************************************************************/
2592 static int bnx2x_cl22_write(struct bnx2x *bp,
2593                                        struct bnx2x_phy *phy,
2594                                        u16 reg, u16 val)
2595 {
2596         u32 tmp, mode;
2597         u8 i;
2598         int rc = 0;
2599         /* Switch to CL22 */
2600         mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2601         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2602                mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2603
2604         /* Address */
2605         tmp = ((phy->addr << 21) | (reg << 16) | val |
2606                EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2607                EMAC_MDIO_COMM_START_BUSY);
2608         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2609
2610         for (i = 0; i < 50; i++) {
2611                 udelay(10);
2612
2613                 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2614                 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2615                         udelay(5);
2616                         break;
2617                 }
2618         }
2619         if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2620                 DP(NETIF_MSG_LINK, "write phy register failed\n");
2621                 rc = -EFAULT;
2622         }
2623         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2624         return rc;
2625 }
2626
2627 static int bnx2x_cl22_read(struct bnx2x *bp,
2628                                       struct bnx2x_phy *phy,
2629                                       u16 reg, u16 *ret_val)
2630 {
2631         u32 val, mode;
2632         u16 i;
2633         int rc = 0;
2634
2635         /* Switch to CL22 */
2636         mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2637         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2638                mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2639
2640         /* Address */
2641         val = ((phy->addr << 21) | (reg << 16) |
2642                EMAC_MDIO_COMM_COMMAND_READ_22 |
2643                EMAC_MDIO_COMM_START_BUSY);
2644         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2645
2646         for (i = 0; i < 50; i++) {
2647                 udelay(10);
2648
2649                 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2650                 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2651                         *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2652                         udelay(5);
2653                         break;
2654                 }
2655         }
2656         if (val & EMAC_MDIO_COMM_START_BUSY) {
2657                 DP(NETIF_MSG_LINK, "read phy register failed\n");
2658
2659                 *ret_val = 0;
2660                 rc = -EFAULT;
2661         }
2662         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2663         return rc;
2664 }
2665
2666 /******************************************************************/
2667 /*                      CL45 access functions                     */
2668 /******************************************************************/
2669 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2670                            u8 devad, u16 reg, u16 *ret_val)
2671 {
2672         u32 val;
2673         u16 i;
2674         int rc = 0;
2675         u32 chip_id;
2676         if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2677                 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2678                           ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2679                 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2680         }
2681
2682         if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2683                 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2684                               EMAC_MDIO_STATUS_10MB);
2685         /* Address */
2686         val = ((phy->addr << 21) | (devad << 16) | reg |
2687                EMAC_MDIO_COMM_COMMAND_ADDRESS |
2688                EMAC_MDIO_COMM_START_BUSY);
2689         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2690
2691         for (i = 0; i < 50; i++) {
2692                 udelay(10);
2693
2694                 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2695                 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2696                         udelay(5);
2697                         break;
2698                 }
2699         }
2700         if (val & EMAC_MDIO_COMM_START_BUSY) {
2701                 DP(NETIF_MSG_LINK, "read phy register failed\n");
2702                 netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2703                 *ret_val = 0;
2704                 rc = -EFAULT;
2705         } else {
2706                 /* Data */
2707                 val = ((phy->addr << 21) | (devad << 16) |
2708                        EMAC_MDIO_COMM_COMMAND_READ_45 |
2709                        EMAC_MDIO_COMM_START_BUSY);
2710                 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2711
2712                 for (i = 0; i < 50; i++) {
2713                         udelay(10);
2714
2715                         val = REG_RD(bp, phy->mdio_ctrl +
2716                                      EMAC_REG_EMAC_MDIO_COMM);
2717                         if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2718                                 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2719                                 break;
2720                         }
2721                 }
2722                 if (val & EMAC_MDIO_COMM_START_BUSY) {
2723                         DP(NETIF_MSG_LINK, "read phy register failed\n");
2724                         netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2725                         *ret_val = 0;
2726                         rc = -EFAULT;
2727                 }
2728         }
2729         /* Work around for E3 A0 */
2730         if (phy->flags & FLAGS_MDC_MDIO_WA) {
2731                 phy->flags ^= FLAGS_DUMMY_READ;
2732                 if (phy->flags & FLAGS_DUMMY_READ) {
2733                         u16 temp_val;
2734                         bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2735                 }
2736         }
2737
2738         if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2739                 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2740                                EMAC_MDIO_STATUS_10MB);
2741         return rc;
2742 }
2743
2744 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2745                             u8 devad, u16 reg, u16 val)
2746 {
2747         u32 tmp;
2748         u8 i;
2749         int rc = 0;
2750         u32 chip_id;
2751         if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2752                 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2753                           ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2754                 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2755         }
2756
2757         if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2758                 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2759                               EMAC_MDIO_STATUS_10MB);
2760
2761         /* Address */
2762         tmp = ((phy->addr << 21) | (devad << 16) | reg |
2763                EMAC_MDIO_COMM_COMMAND_ADDRESS |
2764                EMAC_MDIO_COMM_START_BUSY);
2765         REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2766
2767         for (i = 0; i < 50; i++) {
2768                 udelay(10);
2769
2770                 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2771                 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2772                         udelay(5);
2773                         break;
2774                 }
2775         }
2776         if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2777                 DP(NETIF_MSG_LINK, "write phy register failed\n");
2778                 netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2779                 rc = -EFAULT;
2780         } else {
2781                 /* Data */
2782                 tmp = ((phy->addr << 21) | (devad << 16) | val |
2783                        EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2784                        EMAC_MDIO_COMM_START_BUSY);
2785                 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2786
2787                 for (i = 0; i < 50; i++) {
2788                         udelay(10);
2789
2790                         tmp = REG_RD(bp, phy->mdio_ctrl +
2791                                      EMAC_REG_EMAC_MDIO_COMM);
2792                         if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2793                                 udelay(5);
2794                                 break;
2795                         }
2796                 }
2797                 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2798                         DP(NETIF_MSG_LINK, "write phy register failed\n");
2799                         netdev_err(bp->dev,  "MDC/MDIO access timeout\n");
2800                         rc = -EFAULT;
2801                 }
2802         }
2803         /* Work around for E3 A0 */
2804         if (phy->flags & FLAGS_MDC_MDIO_WA) {
2805                 phy->flags ^= FLAGS_DUMMY_READ;
2806                 if (phy->flags & FLAGS_DUMMY_READ) {
2807                         u16 temp_val;
2808                         bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2809                 }
2810         }
2811         if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2812                 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2813                                EMAC_MDIO_STATUS_10MB);
2814         return rc;
2815 }
2816
2817 /******************************************************************/
2818 /*                      EEE section                                */
2819 /******************************************************************/
2820 static u8 bnx2x_eee_has_cap(struct link_params *params)
2821 {
2822         struct bnx2x *bp = params->bp;
2823
2824         if (REG_RD(bp, params->shmem2_base) <=
2825                    offsetof(struct shmem2_region, eee_status[params->port]))
2826                 return 0;
2827
2828         return 1;
2829 }
2830
2831 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2832 {
2833         switch (nvram_mode) {
2834         case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2835                 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2836                 break;
2837         case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2838                 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2839                 break;
2840         case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2841                 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2842                 break;
2843         default:
2844                 *idle_timer = 0;
2845                 break;
2846         }
2847
2848         return 0;
2849 }
2850
2851 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2852 {
2853         switch (idle_timer) {
2854         case EEE_MODE_NVRAM_BALANCED_TIME:
2855                 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2856                 break;
2857         case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2858                 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2859                 break;
2860         case EEE_MODE_NVRAM_LATENCY_TIME:
2861                 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2862                 break;
2863         default:
2864                 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2865                 break;
2866         }
2867
2868         return 0;
2869 }
2870
2871 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2872 {
2873         u32 eee_mode, eee_idle;
2874         struct bnx2x *bp = params->bp;
2875
2876         if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2877                 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2878                         /* time value in eee_mode --> used directly*/
2879                         eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2880                 } else {
2881                         /* hsi value in eee_mode --> time */
2882                         if (bnx2x_eee_nvram_to_time(params->eee_mode &
2883                                                     EEE_MODE_NVRAM_MASK,
2884                                                     &eee_idle))
2885                                 return 0;
2886                 }
2887         } else {
2888                 /* hsi values in nvram --> time*/
2889                 eee_mode = ((REG_RD(bp, params->shmem_base +
2890                                     offsetof(struct shmem_region, dev_info.
2891                                     port_feature_config[params->port].
2892                                     eee_power_mode)) &
2893                              PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2894                             PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2895
2896                 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2897                         return 0;
2898         }
2899
2900         return eee_idle;
2901 }
2902
2903 static int bnx2x_eee_set_timers(struct link_params *params,
2904                                    struct link_vars *vars)
2905 {
2906         u32 eee_idle = 0, eee_mode;
2907         struct bnx2x *bp = params->bp;
2908
2909         eee_idle = bnx2x_eee_calc_timer(params);
2910
2911         if (eee_idle) {
2912                 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2913                        eee_idle);
2914         } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2915                    (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2916                    (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2917                 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2918                 return -EINVAL;
2919         }
2920
2921         vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2922         if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2923                 /* eee_idle in 1u --> eee_status in 16u */
2924                 eee_idle >>= 4;
2925                 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2926                                     SHMEM_EEE_TIME_OUTPUT_BIT;
2927         } else {
2928                 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2929                         return -EINVAL;
2930                 vars->eee_status |= eee_mode;
2931         }
2932
2933         return 0;
2934 }
2935
2936 static int bnx2x_eee_initial_config(struct link_params *params,
2937                                      struct link_vars *vars, u8 mode)
2938 {
2939         vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2940
2941         /* Propogate params' bits --> vars (for migration exposure) */
2942         if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2943                 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2944         else
2945                 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2946
2947         if (params->eee_mode & EEE_MODE_ADV_LPI)
2948                 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2949         else
2950                 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2951
2952         return bnx2x_eee_set_timers(params, vars);
2953 }
2954
2955 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2956                                 struct link_params *params,
2957                                 struct link_vars *vars)
2958 {
2959         struct bnx2x *bp = params->bp;
2960
2961         /* Make Certain LPI is disabled */
2962         REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2963
2964         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2965
2966         vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2967
2968         return 0;
2969 }
2970
2971 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2972                                   struct link_params *params,
2973                                   struct link_vars *vars, u8 modes)
2974 {
2975         struct bnx2x *bp = params->bp;
2976         u16 val = 0;
2977
2978         /* Mask events preventing LPI generation */
2979         REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2980
2981         if (modes & SHMEM_EEE_10G_ADV) {
2982                 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2983                 val |= 0x8;
2984         }
2985         if (modes & SHMEM_EEE_1G_ADV) {
2986                 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2987                 val |= 0x4;
2988         }
2989
2990         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2991
2992         vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2993         vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2994
2995         return 0;
2996 }
2997
2998 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2999 {
3000         struct bnx2x *bp = params->bp;
3001
3002         if (bnx2x_eee_has_cap(params))
3003                 REG_WR(bp, params->shmem2_base +
3004                        offsetof(struct shmem2_region,
3005                                 eee_status[params->port]), eee_status);
3006 }
3007
3008 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3009                                   struct link_params *params,
3010                                   struct link_vars *vars)
3011 {
3012         struct bnx2x *bp = params->bp;
3013         u16 adv = 0, lp = 0;
3014         u32 lp_adv = 0;
3015         u8 neg = 0;
3016
3017         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3018         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3019
3020         if (lp & 0x2) {
3021                 lp_adv |= SHMEM_EEE_100M_ADV;
3022                 if (adv & 0x2) {
3023                         if (vars->line_speed == SPEED_100)
3024                                 neg = 1;
3025                         DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3026                 }
3027         }
3028         if (lp & 0x14) {
3029                 lp_adv |= SHMEM_EEE_1G_ADV;
3030                 if (adv & 0x14) {
3031                         if (vars->line_speed == SPEED_1000)
3032                                 neg = 1;
3033                         DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3034                 }
3035         }
3036         if (lp & 0x68) {
3037                 lp_adv |= SHMEM_EEE_10G_ADV;
3038                 if (adv & 0x68) {
3039                         if (vars->line_speed == SPEED_10000)
3040                                 neg = 1;
3041                         DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3042                 }
3043         }
3044
3045         vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3046         vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3047
3048         if (neg) {
3049                 DP(NETIF_MSG_LINK, "EEE is active\n");
3050                 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3051         }
3052
3053 }
3054
3055 /******************************************************************/
3056 /*                      BSC access functions from E3              */
3057 /******************************************************************/
3058 static void bnx2x_bsc_module_sel(struct link_params *params)
3059 {
3060         int idx;
3061         u32 board_cfg, sfp_ctrl;
3062         u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3063         struct bnx2x *bp = params->bp;
3064         u8 port = params->port;
3065         /* Read I2C output PINs */
3066         board_cfg = REG_RD(bp, params->shmem_base +
3067                            offsetof(struct shmem_region,
3068                                     dev_info.shared_hw_config.board));
3069         i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3070         i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3071                         SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3072
3073         /* Read I2C output value */
3074         sfp_ctrl = REG_RD(bp, params->shmem_base +
3075                           offsetof(struct shmem_region,
3076                                  dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3077         i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3078         i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3079         DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3080         for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3081                 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3082 }
3083
3084 static int bnx2x_bsc_read(struct link_params *params,
3085                           struct bnx2x *bp,
3086                           u8 sl_devid,
3087                           u16 sl_addr,
3088                           u8 lc_addr,
3089                           u8 xfer_cnt,
3090                           u32 *data_array)
3091 {
3092         u32 val, i;
3093         int rc = 0;
3094
3095         if (xfer_cnt > 16) {
3096                 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3097                                         xfer_cnt);
3098                 return -EINVAL;
3099         }
3100         bnx2x_bsc_module_sel(params);
3101
3102         xfer_cnt = 16 - lc_addr;
3103
3104         /* Enable the engine */
3105         val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3106         val |= MCPR_IMC_COMMAND_ENABLE;
3107         REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3108
3109         /* Program slave device ID */
3110         val = (sl_devid << 16) | sl_addr;
3111         REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3112
3113         /* Start xfer with 0 byte to update the address pointer ???*/
3114         val = (MCPR_IMC_COMMAND_ENABLE) |
3115               (MCPR_IMC_COMMAND_WRITE_OP <<
3116                 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3117                 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3118         REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3119
3120         /* Poll for completion */
3121         i = 0;
3122         val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3123         while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3124                 udelay(10);
3125                 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3126                 if (i++ > 1000) {
3127                         DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3128                                                                 i);
3129                         rc = -EFAULT;
3130                         break;
3131                 }
3132         }
3133         if (rc == -EFAULT)
3134                 return rc;
3135
3136         /* Start xfer with read op */
3137         val = (MCPR_IMC_COMMAND_ENABLE) |
3138                 (MCPR_IMC_COMMAND_READ_OP <<
3139                 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3140                 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3141                   (xfer_cnt);
3142         REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3143
3144         /* Poll for completion */
3145         i = 0;
3146         val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147         while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3148                 udelay(10);
3149                 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3150                 if (i++ > 1000) {
3151                         DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3152                         rc = -EFAULT;
3153                         break;
3154                 }
3155         }
3156         if (rc == -EFAULT)
3157                 return rc;
3158
3159         for (i = (lc_addr >> 2); i < 4; i++) {
3160                 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3161 #ifdef __BIG_ENDIAN
3162                 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3163                                 ((data_array[i] & 0x0000ff00) << 8) |
3164                                 ((data_array[i] & 0x00ff0000) >> 8) |
3165                                 ((data_array[i] & 0xff000000) >> 24);
3166 #endif
3167         }
3168         return rc;
3169 }
3170
3171 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172                                      u8 devad, u16 reg, u16 or_val)
3173 {
3174         u16 val;
3175         bnx2x_cl45_read(bp, phy, devad, reg, &val);
3176         bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3177 }
3178
3179 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3180                                       struct bnx2x_phy *phy,
3181                                       u8 devad, u16 reg, u16 and_val)
3182 {
3183         u16 val;
3184         bnx2x_cl45_read(bp, phy, devad, reg, &val);
3185         bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3186 }
3187
3188 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3189                    u8 devad, u16 reg, u16 *ret_val)
3190 {
3191         u8 phy_index;
3192         /* Probe for the phy according to the given phy_addr, and execute
3193          * the read request on it
3194          */
3195         for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3196                 if (params->phy[phy_index].addr == phy_addr) {
3197                         return bnx2x_cl45_read(params->bp,
3198                                                &params->phy[phy_index], devad,
3199                                                reg, ret_val);
3200                 }
3201         }
3202         return -EINVAL;
3203 }
3204
3205 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3206                     u8 devad, u16 reg, u16 val)
3207 {
3208         u8 phy_index;
3209         /* Probe for the phy according to the given phy_addr, and execute
3210          * the write request on it
3211          */
3212         for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3213                 if (params->phy[phy_index].addr == phy_addr) {
3214                         return bnx2x_cl45_write(params->bp,
3215                                                 &params->phy[phy_index], devad,
3216                                                 reg, val);
3217                 }
3218         }
3219         return -EINVAL;
3220 }
3221 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3222                                   struct link_params *params)
3223 {
3224         u8 lane = 0;
3225         struct bnx2x *bp = params->bp;
3226         u32 path_swap, path_swap_ovr;
3227         u8 path, port;
3228
3229         path = BP_PATH(bp);
3230         port = params->port;
3231
3232         if (bnx2x_is_4_port_mode(bp)) {
3233                 u32 port_swap, port_swap_ovr;
3234
3235                 /* Figure out path swap value */
3236                 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3237                 if (path_swap_ovr & 0x1)
3238                         path_swap = (path_swap_ovr & 0x2);
3239                 else
3240                         path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3241
3242                 if (path_swap)
3243                         path = path ^ 1;
3244
3245                 /* Figure out port swap value */
3246                 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3247                 if (port_swap_ovr & 0x1)
3248                         port_swap = (port_swap_ovr & 0x2);
3249                 else
3250                         port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3251
3252                 if (port_swap)
3253                         port = port ^ 1;
3254
3255                 lane = (port<<1) + path;
3256         } else { /* Two port mode - no port swap */
3257
3258                 /* Figure out path swap value */
3259                 path_swap_ovr =
3260                         REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3261                 if (path_swap_ovr & 0x1) {
3262                         path_swap = (path_swap_ovr & 0x2);
3263                 } else {
3264                         path_swap =
3265                                 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3266                 }
3267                 if (path_swap)
3268                         path = path ^ 1;
3269
3270                 lane = path << 1 ;
3271         }
3272         return lane;
3273 }
3274
3275 static void bnx2x_set_aer_mmd(struct link_params *params,
3276                               struct bnx2x_phy *phy)
3277 {
3278         u32 ser_lane;
3279         u16 offset, aer_val;
3280         struct bnx2x *bp = params->bp;
3281         ser_lane = ((params->lane_config &
3282                      PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3283                      PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3284
3285         offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3286                 (phy->addr + ser_lane) : 0;
3287
3288         if (USES_WARPCORE(bp)) {
3289                 aer_val = bnx2x_get_warpcore_lane(phy, params);
3290                 /* In Dual-lane mode, two lanes are joined together,
3291                  * so in order to configure them, the AER broadcast method is
3292                  * used here.
3293                  * 0x200 is the broadcast address for lanes 0,1
3294                  * 0x201 is the broadcast address for lanes 2,3
3295                  */
3296                 if (phy->flags & FLAGS_WC_DUAL_MODE)
3297                         aer_val = (aer_val >> 1) | 0x200;
3298         } else if (CHIP_IS_E2(bp))
3299                 aer_val = 0x3800 + offset - 1;
3300         else
3301                 aer_val = 0x3800 + offset;
3302
3303         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3304                           MDIO_AER_BLOCK_AER_REG, aer_val);
3305
3306 }
3307
3308 /******************************************************************/
3309 /*                      Internal phy section                      */
3310 /******************************************************************/
3311
3312 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3313 {
3314         u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3315
3316         /* Set Clause 22 */
3317         REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3318         REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3319         udelay(500);
3320         REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3321         udelay(500);
3322          /* Set Clause 45 */
3323         REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3324 }
3325
3326 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3327 {
3328         u32 val;
3329
3330         DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3331
3332         val = SERDES_RESET_BITS << (port*16);
3333
3334         /* Reset and unreset the SerDes/XGXS */
3335         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3336         udelay(500);
3337         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3338
3339         bnx2x_set_serdes_access(bp, port);
3340
3341         REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3342                DEFAULT_PHY_DEV_ADDR);
3343 }
3344
3345 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3346                                      struct link_params *params,
3347                                      u32 action)
3348 {
3349         struct bnx2x *bp = params->bp;
3350         switch (action) {
3351         case PHY_INIT:
3352                 /* Set correct devad */
3353                 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3354                 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3355                        phy->def_md_devad);
3356                 break;
3357         }
3358 }
3359
3360 static void bnx2x_xgxs_deassert(struct link_params *params)
3361 {
3362         struct bnx2x *bp = params->bp;
3363         u8 port;
3364         u32 val;
3365         DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3366         port = params->port;
3367
3368         val = XGXS_RESET_BITS << (port*16);
3369
3370         /* Reset and unreset the SerDes/XGXS */
3371         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3372         udelay(500);
3373         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3374         bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
3375                                  PHY_INIT);
3376 }
3377
3378 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3379                                      struct link_params *params, u16 *ieee_fc)
3380 {
3381         struct bnx2x *bp = params->bp;
3382         *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3383         /* Resolve pause mode and advertisement Please refer to Table
3384          * 28B-3 of the 802.3ab-1999 spec
3385          */
3386
3387         switch (phy->req_flow_ctrl) {
3388         case BNX2X_FLOW_CTRL_AUTO:
3389                 switch (params->req_fc_auto_adv) {
3390                 case BNX2X_FLOW_CTRL_BOTH:
3391                         *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3392                         break;
3393                 case BNX2X_FLOW_CTRL_RX:
3394                 case BNX2X_FLOW_CTRL_TX:
3395                         *ieee_fc |=
3396                                 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3397                         break;
3398                 default:
3399                         break;
3400                 }
3401                 break;
3402         case BNX2X_FLOW_CTRL_TX:
3403                 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404                 break;
3405
3406         case BNX2X_FLOW_CTRL_RX:
3407         case BNX2X_FLOW_CTRL_BOTH:
3408                 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409                 break;
3410
3411         case BNX2X_FLOW_CTRL_NONE:
3412         default:
3413                 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414                 break;
3415         }
3416         DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417 }
3418
3419 static void set_phy_vars(struct link_params *params,
3420                          struct link_vars *vars)
3421 {
3422         struct bnx2x *bp = params->bp;
3423         u8 actual_phy_idx, phy_index, link_cfg_idx;
3424         u8 phy_config_swapped = params->multi_phy_config &
3425                         PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426         for (phy_index = INT_PHY; phy_index < params->num_phys;
3427               phy_index++) {
3428                 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429                 actual_phy_idx = phy_index;
3430                 if (phy_config_swapped) {
3431                         if (phy_index == EXT_PHY1)
3432                                 actual_phy_idx = EXT_PHY2;
3433                         else if (phy_index == EXT_PHY2)
3434                                 actual_phy_idx = EXT_PHY1;
3435                 }
3436                 params->phy[actual_phy_idx].req_flow_ctrl =
3437                         params->req_flow_ctrl[link_cfg_idx];
3438
3439                 params->phy[actual_phy_idx].req_line_speed =
3440                         params->req_line_speed[link_cfg_idx];
3441
3442                 params->phy[actual_phy_idx].speed_cap_mask =
3443                         params->speed_cap_mask[link_cfg_idx];
3444
3445                 params->phy[actual_phy_idx].req_duplex =
3446                         params->req_duplex[link_cfg_idx];
3447
3448                 if (params->req_line_speed[link_cfg_idx] ==
3449                     SPEED_AUTO_NEG)
3450                         vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451
3452                 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453                            " speed_cap_mask %x\n",
3454                            params->phy[actual_phy_idx].req_flow_ctrl,
3455                            params->phy[actual_phy_idx].req_line_speed,
3456                            params->phy[actual_phy_idx].speed_cap_mask);
3457         }
3458 }
3459
3460 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461                                     struct bnx2x_phy *phy,
3462                                     struct link_vars *vars)
3463 {
3464         u16 val;
3465         struct bnx2x *bp = params->bp;
3466         /* Read modify write pause advertizing */
3467         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468
3469         val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470
3471         /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472         bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473         if ((vars->ieee_fc &
3474             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476                 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477         }
3478         if ((vars->ieee_fc &
3479             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481                 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482         }
3483         DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485 }
3486
3487 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3488 {                                               /*  LD      LP   */
3489         switch (pause_result) {                 /* ASYM P ASYM P */
3490         case 0xb:                               /*   1  0   1  1 */
3491                 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3492                 break;
3493
3494         case 0xe:                               /*   1  1   1  0 */
3495                 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3496                 break;
3497
3498         case 0x5:                               /*   0  1   0  1 */
3499         case 0x7:                               /*   0  1   1  1 */
3500         case 0xd:                               /*   1  1   0  1 */
3501         case 0xf:                               /*   1  1   1  1 */
3502                 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3503                 break;
3504
3505         default:
3506                 break;
3507         }
3508         if (pause_result & (1<<0))
3509                 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3510         if (pause_result & (1<<1))
3511                 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3512
3513 }
3514
3515 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3516                                         struct link_params *params,
3517                                         struct link_vars *vars)
3518 {
3519         u16 ld_pause;           /* local */
3520         u16 lp_pause;           /* link partner */
3521         u16 pause_result;
3522         struct bnx2x *bp = params->bp;
3523         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3524                 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3525                 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3526         } else if (CHIP_IS_E3(bp) &&
3527                 SINGLE_MEDIA_DIRECT(params)) {
3528                 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3529                 u16 gp_status, gp_mask;
3530                 bnx2x_cl45_read(bp, phy,
3531                                 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3532                                 &gp_status);
3533                 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3534                            MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3535                         lane;
3536                 if ((gp_status & gp_mask) == gp_mask) {
3537                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3538                                         MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3539                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3540                                         MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3541                 } else {
3542                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3543                                         MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3544                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3545                                         MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3546                         ld_pause = ((ld_pause &
3547                                      MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3548                                     << 3);
3549                         lp_pause = ((lp_pause &
3550                                      MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3551                                     << 3);
3552                 }
3553         } else {
3554                 bnx2x_cl45_read(bp, phy,
3555                                 MDIO_AN_DEVAD,
3556                                 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3557                 bnx2x_cl45_read(bp, phy,
3558                                 MDIO_AN_DEVAD,
3559                                 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3560         }
3561         pause_result = (ld_pause &
3562                         MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3563         pause_result |= (lp_pause &
3564                          MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3565         DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3566         bnx2x_pause_resolve(vars, pause_result);
3567
3568 }
3569
3570 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3571                                    struct link_params *params,
3572                                    struct link_vars *vars)
3573 {
3574         u8 ret = 0;
3575         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3576         if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3577                 /* Update the advertised flow-controled of LD/LP in AN */
3578                 if (phy->req_line_speed == SPEED_AUTO_NEG)
3579                         bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3580                 /* But set the flow-control result as the requested one */
3581                 vars->flow_ctrl = phy->req_flow_ctrl;
3582         } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3583                 vars->flow_ctrl = params->req_fc_auto_adv;
3584         else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3585                 ret = 1;
3586                 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3587         }
3588         return ret;
3589 }
3590 /******************************************************************/
3591 /*                      Warpcore section                          */
3592 /******************************************************************/
3593 /* The init_internal_warpcore should mirror the xgxs,
3594  * i.e. reset the lane (if needed), set aer for the
3595  * init configuration, and set/clear SGMII flag. Internal
3596  * phy init is done purely in phy_init stage.
3597  */
3598 #define WC_TX_DRIVER(post2, idriver, ipre) \
3599         ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3600          (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3601          (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3602
3603 #define WC_TX_FIR(post, main, pre) \
3604         ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3605          (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3606          (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3607
3608 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3609                                          struct link_params *params,
3610                                          struct link_vars *vars)
3611 {
3612         struct bnx2x *bp = params->bp;
3613         u16 i;
3614         static struct bnx2x_reg_set reg_set[] = {
3615                 /* Step 1 - Program the TX/RX alignment markers */
3616                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3617                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3618                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3619                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3620                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3621                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3622                 /* Step 2 - Configure the NP registers */
3623                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3624                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3625                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3626                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3627                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3628                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3629                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3630                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3631                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3632         };
3633         DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3634
3635         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3636                                  MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3637
3638         for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3639                 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3640                                  reg_set[i].val);
3641
3642         /* Start KR2 work-around timer which handles BCM8073 link-parner */
3643         params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3644         bnx2x_update_link_attr(params, params->link_attr_sync);
3645 }
3646
3647 static void bnx2x_disable_kr2(struct link_params *params,
3648                               struct link_vars *vars,
3649                               struct bnx2x_phy *phy)
3650 {
3651         struct bnx2x *bp = params->bp;
3652         int i;
3653         static struct bnx2x_reg_set reg_set[] = {
3654                 /* Step 1 - Program the TX/RX alignment markers */
3655                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3656                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3657                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3658                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3659                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3660                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3661                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3662                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3663                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3664                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3665                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3666                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3667                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3668                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3669                 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3670         };
3671         DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3672
3673         for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3674                 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3675                                  reg_set[i].val);
3676         params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3677         bnx2x_update_link_attr(params, params->link_attr_sync);
3678
3679         vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3680 }
3681
3682 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3683                                                struct link_params *params)
3684 {
3685         struct bnx2x *bp = params->bp;
3686
3687         DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3688         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3689                          MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3690         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3691                                  MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3692 }
3693
3694 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3695                                          struct link_params *params)
3696 {
3697         /* Restart autoneg on the leading lane only */
3698         struct bnx2x *bp = params->bp;
3699         u16 lane = bnx2x_get_warpcore_lane(phy, params);
3700         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3701                           MDIO_AER_BLOCK_AER_REG, lane);
3702         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3703                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3704
3705         /* Restore AER */
3706         bnx2x_set_aer_mmd(params, phy);
3707 }
3708
3709 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3710                                         struct link_params *params,
3711                                         struct link_vars *vars) {
3712         u16 lane, i, cl72_ctrl, an_adv = 0, val;
3713         u32 wc_lane_config;
3714         struct bnx2x *bp = params->bp;
3715         static struct bnx2x_reg_set reg_set[] = {
3716                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3717                 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3718                 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3719                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3720                 /* Disable Autoneg: re-enable it after adv is done. */
3721                 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3722                 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3723                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3724         };
3725         DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3726         /* Set to default registers that may be overriden by 10G force */
3727         for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3728                 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3729                                  reg_set[i].val);
3730
3731         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3732                         MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3733         cl72_ctrl &= 0x08ff;
3734         cl72_ctrl |= 0x3800;
3735         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3736                          MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3737
3738         /* Check adding advertisement for 1G KX */
3739         if (((vars->line_speed == SPEED_AUTO_NEG) &&
3740              (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3741             (vars->line_speed == SPEED_1000)) {
3742                 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3743                 an_adv |= (1<<5);
3744
3745                 /* Enable CL37 1G Parallel Detect */
3746                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3747                 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3748         }
3749         if (((vars->line_speed == SPEED_AUTO_NEG) &&
3750              (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3751             (vars->line_speed ==  SPEED_10000)) {
3752                 /* Check adding advertisement for 10G KR */
3753                 an_adv |= (1<<7);
3754                 /* Enable 10G Parallel Detect */
3755                 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3756                                   MDIO_AER_BLOCK_AER_REG, 0);
3757
3758                 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3759                                  MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3760                 bnx2x_set_aer_mmd(params, phy);
3761                 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3762         }
3763
3764         /* Set Transmit PMD settings */
3765         lane = bnx2x_get_warpcore_lane(phy, params);
3766         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3767                          MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3768                          WC_TX_DRIVER(0x02, 0x06, 0x09));
3769         /* Configure the next lane if dual mode */
3770         if (phy->flags & FLAGS_WC_DUAL_MODE)
3771                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3772                                  MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3773                                  WC_TX_DRIVER(0x02, 0x06, 0x09));
3774         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3775                          MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3776                          0x03f0);
3777         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3778                          MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3779                          0x03f0);
3780
3781         /* Advertised speeds */
3782         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3783                          MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3784
3785         /* Advertised and set FEC (Forward Error Correction) */
3786         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3787                          MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3788                          (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3789                           MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3790
3791         /* Enable CL37 BAM */
3792         if (REG_RD(bp, params->shmem_base +
3793                    offsetof(struct shmem_region, dev_info.
3794                             port_hw_config[params->port].default_cfg)) &
3795             PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3796                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3797                                          MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3798                                          1);
3799                 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3800         }
3801
3802         /* Advertise pause */
3803         bnx2x_ext_phy_set_pause(params, phy, vars);
3804         vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3805         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3806                                  MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3807
3808         /* Over 1G - AN local device user page 1 */
3809         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3810                         MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3811
3812         if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3813              (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3814             (phy->req_line_speed == SPEED_20000)) {
3815
3816                 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3817                                   MDIO_AER_BLOCK_AER_REG, lane);
3818
3819                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3820                                          MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3821                                          (1<<11));
3822
3823                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3824                                  MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3825                 bnx2x_set_aer_mmd(params, phy);
3826
3827                 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3828         } else {
3829                 /* Enable Auto-Detect to support 1G over CL37 as well */
3830                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831                                  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3832                 wc_lane_config = REG_RD(bp, params->shmem_base +
3833                                         offsetof(struct shmem_region, dev_info.
3834                                         shared_hw_config.wc_lane_config));
3835                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3836                                 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3837                 /* Force cl48 sync_status LOW to avoid getting stuck in CL73
3838                  * parallel-detect loop when CL73 and CL37 are enabled.
3839                  */
3840                 val |= 1 << 11;
3841
3842                 /* Restore Polarity settings in case it was run over by
3843                  * previous link owner
3844                  */
3845                 if (wc_lane_config &
3846                     (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3847                         val |= 3 << 2;
3848                 else
3849                         val &= ~(3 << 2);
3850                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851                                  MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3852                                  val);
3853
3854                 bnx2x_disable_kr2(params, vars, phy);
3855         }
3856
3857         /* Enable Autoneg: only on the main lane */
3858         bnx2x_warpcore_restart_AN_KR(phy, params);
3859 }
3860
3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3862                                       struct link_params *params,
3863                                       struct link_vars *vars)
3864 {
3865         struct bnx2x *bp = params->bp;
3866         u16 val16, i, lane;
3867         static struct bnx2x_reg_set reg_set[] = {
3868                 /* Disable Autoneg */
3869                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3870                 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3871                         0x3f00},
3872                 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3873                 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3874                 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3875                 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3876                 /* Leave cl72 training enable, needed for KR */
3877                 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3878         };
3879
3880         for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3881                 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3882                                  reg_set[i].val);
3883
3884         lane = bnx2x_get_warpcore_lane(phy, params);
3885         /* Global registers */
3886         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3887                           MDIO_AER_BLOCK_AER_REG, 0);
3888         /* Disable CL36 PCS Tx */
3889         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3890                         MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3891         val16 &= ~(0x0011 << lane);
3892         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3893                          MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3894
3895         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3896                         MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3897         val16 |= (0x0303 << (lane << 1));
3898         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3899                          MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3900         /* Restore AER */
3901         bnx2x_set_aer_mmd(params, phy);
3902         /* Set speed via PMA/PMD register */
3903         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3904                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3905
3906         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3907                          MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3908
3909         /* Enable encoded forced speed */
3910         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3911                          MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3912
3913         /* Turn TX scramble payload only the 64/66 scrambler */
3914         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915                          MDIO_WC_REG_TX66_CONTROL, 0x9);
3916
3917         /* Turn RX scramble payload only the 64/66 scrambler */
3918         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3919                                  MDIO_WC_REG_RX66_CONTROL, 0xF9);
3920
3921         /* Set and clear loopback to cause a reset to 64/66 decoder */
3922         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3923                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3924         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3925                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3926
3927 }
3928
3929 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3930                                        struct link_params *params,
3931                                        u8 is_xfi)
3932 {
3933         struct bnx2x *bp = params->bp;
3934         u16 misc1_val, tap_val, tx_driver_val, lane, val;
3935         u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3936
3937         /* Hold rxSeqStart */
3938         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3939                                  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3940
3941         /* Hold tx_fifo_reset */
3942         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3943                                  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3944
3945         /* Disable CL73 AN */
3946         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3947
3948         /* Disable 100FX Enable and Auto-Detect */
3949         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3950                                   MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3951
3952         /* Disable 100FX Idle detect */
3953         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3954                                  MDIO_WC_REG_FX100_CTRL3, 0x0080);
3955
3956         /* Set Block address to Remote PHY & Clear forced_speed[5] */
3957         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3958                                   MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3959
3960         /* Turn off auto-detect & fiber mode */
3961         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3962                                   MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3963                                   0xFFEE);
3964
3965         /* Set filter_force_link, disable_false_link and parallel_detect */
3966         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3967                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3968         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3969                          MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3970                          ((val | 0x0006) & 0xFFFE));
3971
3972         /* Set XFI / SFI */
3973         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3974                         MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3975
3976         misc1_val &= ~(0x1f);
3977
3978         if (is_xfi) {
3979                 misc1_val |= 0x5;
3980                 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3981                 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
3982         } else {
3983                 cfg_tap_val = REG_RD(bp, params->shmem_base +
3984                                      offsetof(struct shmem_region, dev_info.
3985                                               port_hw_config[params->port].
3986                                               sfi_tap_values));
3987
3988                 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
3989
3990                 tx_drv_brdct = (cfg_tap_val &
3991                                 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
3992                                PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
3993
3994                 misc1_val |= 0x9;
3995
3996                 /* TAP values are controlled by nvram, if value there isn't 0 */
3997                 if (tx_equal)
3998                         tap_val = (u16)tx_equal;
3999                 else
4000                         tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4001
4002                 if (tx_drv_brdct)
4003                         tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4004                                                      0x06);
4005                 else
4006                         tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
4007         }
4008         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4009                          MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4010
4011         /* Set Transmit PMD settings */
4012         lane = bnx2x_get_warpcore_lane(phy, params);
4013         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014                          MDIO_WC_REG_TX_FIR_TAP,
4015                          tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4016         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4017                          MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4018                          tx_driver_val);
4019
4020         /* Enable fiber mode, enable and invert sig_det */
4021         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4022                                  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4023
4024         /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4025         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4026                                  MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4027
4028         bnx2x_warpcore_set_lpi_passthrough(phy, params);
4029
4030         /* 10G XFI Full Duplex */
4031         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4033
4034         /* Release tx_fifo_reset */
4035         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4036                                   MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4037                                   0xFFFE);
4038         /* Release rxSeqStart */
4039         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4040                                   MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4041 }
4042
4043 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4044                                              struct link_params *params)
4045 {
4046         u16 val;
4047         struct bnx2x *bp = params->bp;
4048         /* Set global registers, so set AER lane to 0 */
4049         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4050                           MDIO_AER_BLOCK_AER_REG, 0);
4051
4052         /* Disable sequencer */
4053         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4054                                   MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4055
4056         bnx2x_set_aer_mmd(params, phy);
4057
4058         bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4059                                   MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4060         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4061                          MDIO_AN_REG_CTRL, 0);
4062         /* Turn off CL73 */
4063         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4064                         MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4065         val &= ~(1<<5);
4066         val |= (1<<6);
4067         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068                          MDIO_WC_REG_CL73_USERB0_CTRL, val);
4069
4070         /* Set 20G KR2 force speed */
4071         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4072                                  MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4073
4074         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4075                                  MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4076
4077         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4078                         MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4079         val &= ~(3<<14);
4080         val |= (1<<15);
4081         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4082                          MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4083         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4084                          MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4085
4086         /* Enable sequencer (over lane 0) */
4087         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4088                           MDIO_AER_BLOCK_AER_REG, 0);
4089
4090         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4091                                  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4092
4093         bnx2x_set_aer_mmd(params, phy);
4094 }
4095
4096 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4097                                          struct bnx2x_phy *phy,
4098                                          u16 lane)
4099 {
4100         /* Rx0 anaRxControl1G */
4101         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4102                          MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4103
4104         /* Rx2 anaRxControl1G */
4105         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4106                          MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4107
4108         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109                          MDIO_WC_REG_RX66_SCW0, 0xE070);
4110
4111         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4112                          MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4113
4114         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115                          MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4116
4117         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4118                          MDIO_WC_REG_RX66_SCW3, 0x8090);
4119
4120         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4121                          MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4122
4123         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124                          MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4125
4126         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4127                          MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4128
4129         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130                          MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4131
4132         /* Serdes Digital Misc1 */
4133         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4134                          MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4135
4136         /* Serdes Digital4 Misc3 */
4137         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4138                          MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4139
4140         /* Set Transmit PMD settings */
4141         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142                          MDIO_WC_REG_TX_FIR_TAP,
4143                          (WC_TX_FIR(0x12, 0x2d, 0x00) |
4144                           MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4145         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4146                          MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4147                          WC_TX_DRIVER(0x02, 0x02, 0x02));
4148 }
4149
4150 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4151                                            struct link_params *params,
4152                                            u8 fiber_mode,
4153                                            u8 always_autoneg)
4154 {
4155         struct bnx2x *bp = params->bp;
4156         u16 val16, digctrl_kx1, digctrl_kx2;
4157
4158         /* Clear XFI clock comp in non-10G single lane mode. */
4159         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4160                                   MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4161
4162         bnx2x_warpcore_set_lpi_passthrough(phy, params);
4163
4164         if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4165                 /* SGMII Autoneg */
4166                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4167                                          MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4168                                          0x1000);
4169                 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4170         } else {
4171                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4172                                 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4173                 val16 &= 0xcebf;
4174                 switch (phy->req_line_speed) {
4175                 case SPEED_10:
4176                         break;
4177                 case SPEED_100:
4178                         val16 |= 0x2000;
4179                         break;
4180                 case SPEED_1000:
4181                         val16 |= 0x0040;
4182                         break;
4183                 default:
4184                         DP(NETIF_MSG_LINK,
4185                            "Speed not supported: 0x%x\n", phy->req_line_speed);
4186                         return;
4187                 }
4188
4189                 if (phy->req_duplex == DUPLEX_FULL)
4190                         val16 |= 0x0100;
4191
4192                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4193                                 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4194
4195                 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4196                                phy->req_line_speed);
4197                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4198                                 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4199                 DP(NETIF_MSG_LINK, "  (readback) %x\n", val16);
4200         }
4201
4202         /* SGMII Slave mode and disable signal detect */
4203         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4205         if (fiber_mode)
4206                 digctrl_kx1 = 1;
4207         else
4208                 digctrl_kx1 &= 0xff4a;
4209
4210         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4211                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4212                         digctrl_kx1);
4213
4214         /* Turn off parallel detect */
4215         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4216                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4217         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4218                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4219                         (digctrl_kx2 & ~(1<<2)));
4220
4221         /* Re-enable parallel detect */
4222         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4223                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4224                         (digctrl_kx2 | (1<<2)));
4225
4226         /* Enable autodet */
4227         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4228                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4229                         (digctrl_kx1 | 0x10));
4230 }
4231
4232 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4233                                       struct bnx2x_phy *phy,
4234                                       u8 reset)
4235 {
4236         u16 val;
4237         /* Take lane out of reset after configuration is finished */
4238         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4239                         MDIO_WC_REG_DIGITAL5_MISC6, &val);
4240         if (reset)
4241                 val |= 0xC000;
4242         else
4243                 val &= 0x3FFF;
4244         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245                          MDIO_WC_REG_DIGITAL5_MISC6, val);
4246         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4247                          MDIO_WC_REG_DIGITAL5_MISC6, &val);
4248 }
4249 /* Clear SFI/XFI link settings registers */
4250 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4251                                       struct link_params *params,
4252                                       u16 lane)
4253 {
4254         struct bnx2x *bp = params->bp;
4255         u16 i;
4256         static struct bnx2x_reg_set wc_regs[] = {
4257                 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4258                 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4259                 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4260                 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4261                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4262                         0x0195},
4263                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4264                         0x0007},
4265                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4266                         0x0002},
4267                 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4268                 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4269                 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4270                 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4271         };
4272         /* Set XFI clock comp as default. */
4273         bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4274                                  MDIO_WC_REG_RX66_CONTROL, (3<<13));
4275
4276         for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4277                 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4278                                  wc_regs[i].val);
4279
4280         lane = bnx2x_get_warpcore_lane(phy, params);
4281         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4282                          MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4283
4284 }
4285
4286 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4287                                                 u32 chip_id,
4288                                                 u32 shmem_base, u8 port,
4289                                                 u8 *gpio_num, u8 *gpio_port)
4290 {
4291         u32 cfg_pin;
4292         *gpio_num = 0;
4293         *gpio_port = 0;
4294         if (CHIP_IS_E3(bp)) {
4295                 cfg_pin = (REG_RD(bp, shmem_base +
4296                                 offsetof(struct shmem_region,
4297                                 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4298                                 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4299                                 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4300
4301                 /* Should not happen. This function called upon interrupt
4302                  * triggered by GPIO ( since EPIO can only generate interrupts
4303                  * to MCP).
4304                  * So if this function was called and none of the GPIOs was set,
4305                  * it means the shit hit the fan.
4306                  */
4307                 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4308                     (cfg_pin > PIN_CFG_GPIO3_P1)) {
4309                         DP(NETIF_MSG_LINK,
4310                            "No cfg pin %x for module detect indication\n",
4311                            cfg_pin);
4312                         return -EINVAL;
4313                 }
4314
4315                 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4316                 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4317         } else {
4318                 *gpio_num = MISC_REGISTERS_GPIO_3;
4319                 *gpio_port = port;
4320         }
4321
4322         return 0;
4323 }
4324
4325 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4326                                        struct link_params *params)
4327 {
4328         struct bnx2x *bp = params->bp;
4329         u8 gpio_num, gpio_port;
4330         u32 gpio_val;
4331         if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4332                                       params->shmem_base, params->port,
4333                                       &gpio_num, &gpio_port) != 0)
4334                 return 0;
4335         gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4336
4337         /* Call the handling function in case module is detected */
4338         if (gpio_val == 0)
4339                 return 1;
4340         else
4341                 return 0;
4342 }
4343 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4344                                      struct link_params *params)
4345 {
4346         u16 gp2_status_reg0, lane;
4347         struct bnx2x *bp = params->bp;
4348
4349         lane = bnx2x_get_warpcore_lane(phy, params);
4350
4351         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4352                                  &gp2_status_reg0);
4353
4354         return (gp2_status_reg0 >> (8+lane)) & 0x1;
4355 }
4356
4357 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4358                                           struct link_params *params,
4359                                           struct link_vars *vars)
4360 {
4361         struct bnx2x *bp = params->bp;
4362         u32 serdes_net_if;
4363         u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4364
4365         vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4366
4367         if (!vars->turn_to_run_wc_rt)
4368                 return;
4369
4370         if (vars->rx_tx_asic_rst) {
4371                 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4372                 serdes_net_if = (REG_RD(bp, params->shmem_base +
4373                                 offsetof(struct shmem_region, dev_info.
4374                                 port_hw_config[params->port].default_cfg)) &
4375                                 PORT_HW_CFG_NET_SERDES_IF_MASK);
4376
4377                 switch (serdes_net_if) {
4378                 case PORT_HW_CFG_NET_SERDES_IF_KR:
4379                         /* Do we get link yet? */
4380                         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4381                                         &gp_status1);
4382                         lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4383                                 /*10G KR*/
4384                         lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4385
4386                         if (lnkup_kr || lnkup) {
4387                                 vars->rx_tx_asic_rst = 0;
4388                         } else {
4389                                 /* Reset the lane to see if link comes up.*/
4390                                 bnx2x_warpcore_reset_lane(bp, phy, 1);
4391                                 bnx2x_warpcore_reset_lane(bp, phy, 0);
4392
4393                                 /* Restart Autoneg */
4394                                 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4395                                         MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4396
4397                                 vars->rx_tx_asic_rst--;
4398                                 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4399                                 vars->rx_tx_asic_rst);
4400                         }
4401                         break;
4402
4403                 default:
4404                         break;
4405                 }
4406
4407         } /*params->rx_tx_asic_rst*/
4408
4409 }
4410 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4411                                       struct link_params *params)
4412 {
4413         u16 lane = bnx2x_get_warpcore_lane(phy, params);
4414         struct bnx2x *bp = params->bp;
4415         bnx2x_warpcore_clear_regs(phy, params, lane);
4416         if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4417              SPEED_10000) &&
4418             (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4419                 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4420                 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4421         } else {
4422                 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4423                 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4424         }
4425 }
4426
4427 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4428                                          struct bnx2x_phy *phy,
4429                                          u8 tx_en)
4430 {
4431         struct bnx2x *bp = params->bp;
4432         u32 cfg_pin;
4433         u8 port = params->port;
4434
4435         cfg_pin = REG_RD(bp, params->shmem_base +
4436                          offsetof(struct shmem_region,
4437                                   dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4438                 PORT_HW_CFG_E3_TX_LASER_MASK;
4439         /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4440         DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4441
4442         /* For 20G, the expected pin to be used is 3 pins after the current */
4443         bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4444         if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4445                 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4446 }
4447
4448 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4449                                        struct link_params *params,
4450                                        struct link_vars *vars)
4451 {
4452         struct bnx2x *bp = params->bp;
4453         u32 serdes_net_if;
4454         u8 fiber_mode;
4455         u16 lane = bnx2x_get_warpcore_lane(phy, params);
4456         serdes_net_if = (REG_RD(bp, params->shmem_base +
4457                          offsetof(struct shmem_region, dev_info.
4458                                   port_hw_config[params->port].default_cfg)) &
4459                          PORT_HW_CFG_NET_SERDES_IF_MASK);
4460         DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4461                            "serdes_net_if = 0x%x\n",
4462                        vars->line_speed, serdes_net_if);
4463         bnx2x_set_aer_mmd(params, phy);
4464         bnx2x_warpcore_reset_lane(bp, phy, 1);
4465         vars->phy_flags |= PHY_XGXS_FLAG;
4466         if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4467             (phy->req_line_speed &&
4468              ((phy->req_line_speed == SPEED_100) ||
4469               (phy->req_line_speed == SPEED_10)))) {
4470                 vars->phy_flags |= PHY_SGMII_FLAG;
4471                 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4472                 bnx2x_warpcore_clear_regs(phy, params, lane);
4473                 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4474         } else {
4475                 switch (serdes_net_if) {
4476                 case PORT_HW_CFG_NET_SERDES_IF_KR:
4477                         /* Enable KR Auto Neg */
4478                         if (params->loopback_mode != LOOPBACK_EXT)
4479                                 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4480                         else {
4481                                 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4482                                 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4483                         }
4484                         break;
4485
4486                 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4487                         bnx2x_warpcore_clear_regs(phy, params, lane);
4488                         if (vars->line_speed == SPEED_10000) {
4489                                 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4490                                 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4491                         } else {
4492                                 if (SINGLE_MEDIA_DIRECT(params)) {
4493                                         DP(NETIF_MSG_LINK, "1G Fiber\n");
4494                                         fiber_mode = 1;
4495                                 } else {
4496                                         DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4497                                         fiber_mode = 0;
4498                                 }
4499                                 bnx2x_warpcore_set_sgmii_speed(phy,
4500                                                                 params,
4501                                                                 fiber_mode,
4502                                                                 0);
4503                         }
4504
4505                         break;
4506
4507                 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4508                         /* Issue Module detection if module is plugged, or
4509                          * enabled transmitter to avoid current leakage in case
4510                          * no module is connected
4511                          */
4512                         if ((params->loopback_mode == LOOPBACK_NONE) ||
4513                             (params->loopback_mode == LOOPBACK_EXT)) {
4514                                 if (bnx2x_is_sfp_module_plugged(phy, params))
4515                                         bnx2x_sfp_module_detection(phy, params);
4516                                 else
4517                                         bnx2x_sfp_e3_set_transmitter(params,
4518                                                                      phy, 1);
4519                         }
4520
4521                         bnx2x_warpcore_config_sfi(phy, params);
4522                         break;
4523
4524                 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4525                         if (vars->line_speed != SPEED_20000) {
4526                                 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4527                                 return;
4528                         }
4529                         DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4530                         bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4531                         /* Issue Module detection */
4532
4533                         bnx2x_sfp_module_detection(phy, params);
4534                         break;
4535                 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4536                         if (!params->loopback_mode) {
4537                                 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4538                         } else {
4539                                 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4540                                 bnx2x_warpcore_set_20G_force_KR2(phy, params);
4541                         }
4542                         break;
4543                 default:
4544                         DP(NETIF_MSG_LINK,
4545                            "Unsupported Serdes Net Interface 0x%x\n",
4546                            serdes_net_if);
4547                         return;
4548                 }
4549         }
4550
4551         /* Take lane out of reset after configuration is finished */
4552         bnx2x_warpcore_reset_lane(bp, phy, 0);
4553         DP(NETIF_MSG_LINK, "Exit config init\n");
4554 }
4555
4556 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4557                                       struct link_params *params)
4558 {
4559         struct bnx2x *bp = params->bp;
4560         u16 val16, lane;
4561         bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4562         bnx2x_set_mdio_emac_per_phy(bp, params);
4563         bnx2x_set_aer_mmd(params, phy);
4564         /* Global register */
4565         bnx2x_warpcore_reset_lane(bp, phy, 1);
4566
4567         /* Clear loopback settings (if any) */
4568         /* 10G & 20G */
4569         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4570                                   MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4571
4572         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4573                                   MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4574
4575         /* Update those 1-copy registers */
4576         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4577                           MDIO_AER_BLOCK_AER_REG, 0);
4578         /* Enable 1G MDIO (1-copy) */
4579         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4580                                   MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4581                                   ~0x10);
4582
4583         bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4584                                   MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4585         lane = bnx2x_get_warpcore_lane(phy, params);
4586         /* Disable CL36 PCS Tx */
4587         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4588                         MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4589         val16 |= (0x11 << lane);
4590         if (phy->flags & FLAGS_WC_DUAL_MODE)
4591                 val16 |= (0x22 << lane);
4592         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4593                          MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4594
4595         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4596                         MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4597         val16 &= ~(0x0303 << (lane << 1));
4598         val16 |= (0x0101 << (lane << 1));
4599         if (phy->flags & FLAGS_WC_DUAL_MODE) {
4600                 val16 &= ~(0x0c0c << (lane << 1));
4601                 val16 |= (0x0404 << (lane << 1));
4602         }
4603
4604         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4605                          MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4606         /* Restore AER */
4607         bnx2x_set_aer_mmd(params, phy);
4608
4609 }
4610
4611 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4612                                         struct link_params *params)
4613 {
4614         struct bnx2x *bp = params->bp;
4615         u16 val16;
4616         u32 lane;
4617         DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4618                        params->loopback_mode, phy->req_line_speed);
4619
4620         if (phy->req_line_speed < SPEED_10000 ||
4621             phy->supported & SUPPORTED_20000baseKR2_Full) {
4622                 /* 10/100/1000/20G-KR2 */
4623
4624                 /* Update those 1-copy registers */
4625                 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4626                                   MDIO_AER_BLOCK_AER_REG, 0);
4627                 /* Enable 1G MDIO (1-copy) */
4628                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4629                                          MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4630                                          0x10);
4631                 /* Set 1G loopback based on lane (1-copy) */
4632                 lane = bnx2x_get_warpcore_lane(phy, params);
4633                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4634                                 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4635                 val16 |= (1<<lane);
4636                 if (phy->flags & FLAGS_WC_DUAL_MODE)
4637                         val16 |= (2<<lane);
4638                 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4639                                  MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4640                                  val16);
4641
4642                 /* Switch back to 4-copy registers */
4643                 bnx2x_set_aer_mmd(params, phy);
4644         } else {
4645                 /* 10G / 20G-DXGXS */
4646                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4647                                          MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4648                                          0x4000);
4649                 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4650                                          MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4651         }
4652 }
4653
4654
4655
4656 static void bnx2x_sync_link(struct link_params *params,
4657                              struct link_vars *vars)
4658 {
4659         struct bnx2x *bp = params->bp;
4660         u8 link_10g_plus;
4661         if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4662                 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4663         vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4664         if (vars->link_up) {
4665                 DP(NETIF_MSG_LINK, "phy link up\n");
4666
4667                 vars->phy_link_up = 1;
4668                 vars->duplex = DUPLEX_FULL;
4669                 switch (vars->link_status &
4670                         LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4671                 case LINK_10THD:
4672                         vars->duplex = DUPLEX_HALF;
4673                         /* Fall thru */
4674                 case LINK_10TFD:
4675                         vars->line_speed = SPEED_10;
4676                         break;
4677
4678                 case LINK_100TXHD:
4679                         vars->duplex = DUPLEX_HALF;
4680                         /* Fall thru */
4681                 case LINK_100T4:
4682                 case LINK_100TXFD:
4683                         vars->line_speed = SPEED_100;
4684                         break;
4685
4686                 case LINK_1000THD:
4687                         vars->duplex = DUPLEX_HALF;
4688                         /* Fall thru */
4689                 case LINK_1000TFD:
4690                         vars->line_speed = SPEED_1000;
4691                         break;
4692
4693                 case LINK_2500THD:
4694                         vars->duplex = DUPLEX_HALF;
4695                         /* Fall thru */
4696                 case LINK_2500TFD:
4697                         vars->line_speed = SPEED_2500;
4698                         break;
4699
4700                 case LINK_10GTFD:
4701                         vars->line_speed = SPEED_10000;
4702                         break;
4703                 case LINK_20GTFD:
4704                         vars->line_speed = SPEED_20000;
4705                         break;
4706                 default:
4707                         break;
4708                 }
4709                 vars->flow_ctrl = 0;
4710                 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4711                         vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4712
4713                 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4714                         vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4715
4716                 if (!vars->flow_ctrl)
4717                         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4718
4719                 if (vars->line_speed &&
4720                     ((vars->line_speed == SPEED_10) ||
4721                      (vars->line_speed == SPEED_100))) {
4722                         vars->phy_flags |= PHY_SGMII_FLAG;
4723                 } else {
4724                         vars->phy_flags &= ~PHY_SGMII_FLAG;
4725                 }
4726                 if (vars->line_speed &&
4727                     USES_WARPCORE(bp) &&
4728                     (vars->line_speed == SPEED_1000))
4729                         vars->phy_flags |= PHY_SGMII_FLAG;
4730                 /* Anything 10 and over uses the bmac */
4731                 link_10g_plus = (vars->line_speed >= SPEED_10000);
4732
4733                 if (link_10g_plus) {
4734                         if (USES_WARPCORE(bp))
4735                                 vars->mac_type = MAC_TYPE_XMAC;
4736                         else
4737                                 vars->mac_type = MAC_TYPE_BMAC;
4738                 } else {
4739                         if (USES_WARPCORE(bp))
4740                                 vars->mac_type = MAC_TYPE_UMAC;
4741                         else
4742                                 vars->mac_type = MAC_TYPE_EMAC;
4743                 }
4744         } else { /* Link down */
4745                 DP(NETIF_MSG_LINK, "phy link down\n");
4746
4747                 vars->phy_link_up = 0;
4748
4749                 vars->line_speed = 0;
4750                 vars->duplex = DUPLEX_FULL;
4751                 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4752
4753                 /* Indicate no mac active */
4754                 vars->mac_type = MAC_TYPE_NONE;
4755                 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4756                         vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4757                 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4758                         vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4759         }
4760 }
4761
4762 void bnx2x_link_status_update(struct link_params *params,
4763                               struct link_vars *vars)
4764 {
4765         struct bnx2x *bp = params->bp;
4766         u8 port = params->port;
4767         u32 sync_offset, media_types;
4768         /* Update PHY configuration */
4769         set_phy_vars(params, vars);
4770
4771         vars->link_status = REG_RD(bp, params->shmem_base +
4772                                    offsetof(struct shmem_region,
4773                                             port_mb[port].link_status));
4774
4775         /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4776         if (params->loopback_mode != LOOPBACK_NONE &&
4777             params->loopback_mode != LOOPBACK_EXT)
4778                 vars->link_status |= LINK_STATUS_LINK_UP;
4779
4780         if (bnx2x_eee_has_cap(params))
4781                 vars->eee_status = REG_RD(bp, params->shmem2_base +
4782                                           offsetof(struct shmem2_region,
4783                                                    eee_status[params->port]));
4784
4785         vars->phy_flags = PHY_XGXS_FLAG;
4786         bnx2x_sync_link(params, vars);
4787         /* Sync media type */
4788         sync_offset = params->shmem_base +
4789                         offsetof(struct shmem_region,
4790                                  dev_info.port_hw_config[port].media_type);
4791         media_types = REG_RD(bp, sync_offset);
4792
4793         params->phy[INT_PHY].media_type =
4794                 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4795                 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4796         params->phy[EXT_PHY1].media_type =
4797                 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4798                 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4799         params->phy[EXT_PHY2].media_type =
4800                 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4801                 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4802         DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4803
4804         /* Sync AEU offset */
4805         sync_offset = params->shmem_base +
4806                         offsetof(struct shmem_region,
4807                                  dev_info.port_hw_config[port].aeu_int_mask);
4808
4809         vars->aeu_int_mask = REG_RD(bp, sync_offset);
4810
4811         /* Sync PFC status */
4812         if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4813                 params->feature_config_flags |=
4814                                         FEATURE_CONFIG_PFC_ENABLED;
4815         else
4816                 params->feature_config_flags &=
4817                                         ~FEATURE_CONFIG_PFC_ENABLED;
4818
4819         if (SHMEM2_HAS(bp, link_attr_sync))
4820                 params->link_attr_sync = SHMEM2_RD(bp,
4821                                                  link_attr_sync[params->port]);
4822
4823         DP(NETIF_MSG_LINK, "link_status 0x%x  phy_link_up %x int_mask 0x%x\n",
4824                  vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4825         DP(NETIF_MSG_LINK, "line_speed %x  duplex %x  flow_ctrl 0x%x\n",
4826                  vars->line_speed, vars->duplex, vars->flow_ctrl);
4827 }
4828
4829 static void bnx2x_set_master_ln(struct link_params *params,
4830                                 struct bnx2x_phy *phy)
4831 {
4832         struct bnx2x *bp = params->bp;
4833         u16 new_master_ln, ser_lane;
4834         ser_lane = ((params->lane_config &
4835                      PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4836                     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4837
4838         /* Set the master_ln for AN */
4839         CL22_RD_OVER_CL45(bp, phy,
4840                           MDIO_REG_BANK_XGXS_BLOCK2,
4841                           MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4842                           &new_master_ln);
4843
4844         CL22_WR_OVER_CL45(bp, phy,
4845                           MDIO_REG_BANK_XGXS_BLOCK2 ,
4846                           MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4847                           (new_master_ln | ser_lane));
4848 }
4849
4850 static int bnx2x_reset_unicore(struct link_params *params,
4851                                struct bnx2x_phy *phy,
4852                                u8 set_serdes)
4853 {
4854         struct bnx2x *bp = params->bp;
4855         u16 mii_control;
4856         u16 i;
4857         CL22_RD_OVER_CL45(bp, phy,
4858                           MDIO_REG_BANK_COMBO_IEEE0,
4859                           MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4860
4861         /* Reset the unicore */
4862         CL22_WR_OVER_CL45(bp, phy,
4863                           MDIO_REG_BANK_COMBO_IEEE0,
4864                           MDIO_COMBO_IEEE0_MII_CONTROL,
4865                           (mii_control |
4866                            MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4867         if (set_serdes)
4868                 bnx2x_set_serdes_access(bp, params->port);
4869
4870         /* Wait for the reset to self clear */
4871         for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4872                 udelay(5);
4873
4874                 /* The reset erased the previous bank value */
4875                 CL22_RD_OVER_CL45(bp, phy,
4876                                   MDIO_REG_BANK_COMBO_IEEE0,
4877                                   MDIO_COMBO_IEEE0_MII_CONTROL,
4878                                   &mii_control);
4879
4880                 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4881                         udelay(5);
4882                         return 0;
4883                 }
4884         }
4885
4886         netdev_err(bp->dev,  "Warning: PHY was not initialized,"
4887                               " Port %d\n",
4888                          params->port);
4889         DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4890         return -EINVAL;
4891
4892 }
4893
4894 static void bnx2x_set_swap_lanes(struct link_params *params,
4895                                  struct bnx2x_phy *phy)
4896 {
4897         struct bnx2x *bp = params->bp;
4898         /* Each two bits represents a lane number:
4899          * No swap is 0123 => 0x1b no need to enable the swap
4900          */
4901         u16 rx_lane_swap, tx_lane_swap;
4902
4903         rx_lane_swap = ((params->lane_config &
4904                          PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4905                         PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4906         tx_lane_swap = ((params->lane_config &
4907                          PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4908                         PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4909
4910         if (rx_lane_swap != 0x1b) {
4911                 CL22_WR_OVER_CL45(bp, phy,
4912                                   MDIO_REG_BANK_XGXS_BLOCK2,
4913                                   MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4914                                   (rx_lane_swap |
4915                                    MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4916                                    MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4917         } else {
4918                 CL22_WR_OVER_CL45(bp, phy,
4919                                   MDIO_REG_BANK_XGXS_BLOCK2,
4920                                   MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4921         }
4922
4923         if (tx_lane_swap != 0x1b) {
4924                 CL22_WR_OVER_CL45(bp, phy,
4925                                   MDIO_REG_BANK_XGXS_BLOCK2,
4926                                   MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4927                                   (tx_lane_swap |
4928                                    MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4929         } else {
4930                 CL22_WR_OVER_CL45(bp, phy,
4931                                   MDIO_REG_BANK_XGXS_BLOCK2,
4932                                   MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4933         }
4934 }
4935
4936 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4937                                          struct link_params *params)
4938 {
4939         struct bnx2x *bp = params->bp;
4940         u16 control2;
4941         CL22_RD_OVER_CL45(bp, phy,
4942                           MDIO_REG_BANK_SERDES_DIGITAL,
4943                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4944                           &control2);
4945         if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4946                 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4947         else
4948                 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4949         DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4950                 phy->speed_cap_mask, control2);
4951         CL22_WR_OVER_CL45(bp, phy,
4952                           MDIO_REG_BANK_SERDES_DIGITAL,
4953                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4954                           control2);
4955
4956         if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4957              (phy->speed_cap_mask &
4958                     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4959                 DP(NETIF_MSG_LINK, "XGXS\n");
4960
4961                 CL22_WR_OVER_CL45(bp, phy,
4962                                  MDIO_REG_BANK_10G_PARALLEL_DETECT,
4963                                  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4964                                  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4965
4966                 CL22_RD_OVER_CL45(bp, phy,
4967                                   MDIO_REG_BANK_10G_PARALLEL_DETECT,
4968                                   MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4969                                   &control2);
4970
4971
4972                 control2 |=
4973                     MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4974
4975                 CL22_WR_OVER_CL45(bp, phy,
4976                                   MDIO_REG_BANK_10G_PARALLEL_DETECT,
4977                                   MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4978                                   control2);
4979
4980                 /* Disable parallel detection of HiG */
4981                 CL22_WR_OVER_CL45(bp, phy,
4982                                   MDIO_REG_BANK_XGXS_BLOCK2,
4983                                   MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4984                                   MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4985                                   MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4986         }
4987 }
4988
4989 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4990                               struct link_params *params,
4991                               struct link_vars *vars,
4992                               u8 enable_cl73)
4993 {
4994         struct bnx2x *bp = params->bp;
4995         u16 reg_val;
4996
4997         /* CL37 Autoneg */
4998         CL22_RD_OVER_CL45(bp, phy,
4999                           MDIO_REG_BANK_COMBO_IEEE0,
5000                           MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5001
5002         /* CL37 Autoneg Enabled */
5003         if (vars->line_speed == SPEED_AUTO_NEG)
5004                 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5005         else /* CL37 Autoneg Disabled */
5006                 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5007                              MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5008
5009         CL22_WR_OVER_CL45(bp, phy,
5010                           MDIO_REG_BANK_COMBO_IEEE0,
5011                           MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5012
5013         /* Enable/Disable Autodetection */
5014
5015         CL22_RD_OVER_CL45(bp, phy,
5016                           MDIO_REG_BANK_SERDES_DIGITAL,
5017                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5018         reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5019                     MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5020         reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5021         if (vars->line_speed == SPEED_AUTO_NEG)
5022                 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5023         else
5024                 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5025
5026         CL22_WR_OVER_CL45(bp, phy,
5027                           MDIO_REG_BANK_SERDES_DIGITAL,
5028                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5029
5030         /* Enable TetonII and BAM autoneg */
5031         CL22_RD_OVER_CL45(bp, phy,
5032                           MDIO_REG_BANK_BAM_NEXT_PAGE,
5033                           MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5034                           &reg_val);
5035         if (vars->line_speed == SPEED_AUTO_NEG) {
5036                 /* Enable BAM aneg Mode and TetonII aneg Mode */
5037                 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5038                             MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5039         } else {
5040                 /* TetonII and BAM Autoneg Disabled */
5041                 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5042                              MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5043         }
5044         CL22_WR_OVER_CL45(bp, phy,
5045                           MDIO_REG_BANK_BAM_NEXT_PAGE,
5046                           MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5047                           reg_val);
5048
5049         if (enable_cl73) {
5050                 /* Enable Cl73 FSM status bits */
5051                 CL22_WR_OVER_CL45(bp, phy,
5052                                   MDIO_REG_BANK_CL73_USERB0,
5053                                   MDIO_CL73_USERB0_CL73_UCTRL,
5054                                   0xe);
5055
5056                 /* Enable BAM Station Manager*/
5057                 CL22_WR_OVER_CL45(bp, phy,
5058                         MDIO_REG_BANK_CL73_USERB0,
5059                         MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5060                         MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5061                         MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5062                         MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5063
5064                 /* Advertise CL73 link speeds */
5065                 CL22_RD_OVER_CL45(bp, phy,
5066                                   MDIO_REG_BANK_CL73_IEEEB1,
5067                                   MDIO_CL73_IEEEB1_AN_ADV2,
5068                                   &reg_val);
5069                 if (phy->speed_cap_mask &
5070                     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5071                         reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5072                 if (phy->speed_cap_mask &
5073                     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5074                         reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5075
5076                 CL22_WR_OVER_CL45(bp, phy,
5077                                   MDIO_REG_BANK_CL73_IEEEB1,
5078                                   MDIO_CL73_IEEEB1_AN_ADV2,
5079                                   reg_val);
5080
5081                 /* CL73 Autoneg Enabled */
5082                 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5083
5084         } else /* CL73 Autoneg Disabled */
5085                 reg_val = 0;
5086
5087         CL22_WR_OVER_CL45(bp, phy,
5088                           MDIO_REG_BANK_CL73_IEEEB0,
5089                           MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5090 }
5091
5092 /* Program SerDes, forced speed */
5093 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5094                                  struct link_params *params,
5095                                  struct link_vars *vars)
5096 {
5097         struct bnx2x *bp = params->bp;
5098         u16 reg_val;
5099
5100         /* Program duplex, disable autoneg and sgmii*/
5101         CL22_RD_OVER_CL45(bp, phy,
5102                           MDIO_REG_BANK_COMBO_IEEE0,
5103                           MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5104         reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5105                      MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5106                      MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5107         if (phy->req_duplex == DUPLEX_FULL)
5108                 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5109         CL22_WR_OVER_CL45(bp, phy,
5110                           MDIO_REG_BANK_COMBO_IEEE0,
5111                           MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5112
5113         /* Program speed
5114          *  - needed only if the speed is greater than 1G (2.5G or 10G)
5115          */
5116         CL22_RD_OVER_CL45(bp, phy,
5117                           MDIO_REG_BANK_SERDES_DIGITAL,
5118                           MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5119         /* Clearing the speed value before setting the right speed */
5120         DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5121
5122         reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5123                      MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5124
5125         if (!((vars->line_speed == SPEED_1000) ||
5126               (vars->line_speed == SPEED_100) ||
5127               (vars->line_speed == SPEED_10))) {
5128
5129                 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5130                             MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5131                 if (vars->line_speed == SPEED_10000)
5132                         reg_val |=
5133                                 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5134         }
5135
5136         CL22_WR_OVER_CL45(bp, phy,
5137                           MDIO_REG_BANK_SERDES_DIGITAL,
5138                           MDIO_SERDES_DIGITAL_MISC1, reg_val);
5139
5140 }
5141
5142 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5143                                               struct link_params *params)
5144 {
5145         struct bnx2x *bp = params->bp;
5146         u16 val = 0;
5147
5148         /* Set extended capabilities */
5149         if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5150                 val |= MDIO_OVER_1G_UP1_2_5G;
5151         if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5152                 val |= MDIO_OVER_1G_UP1_10G;
5153         CL22_WR_OVER_CL45(bp, phy,
5154                           MDIO_REG_BANK_OVER_1G,
5155                           MDIO_OVER_1G_UP1, val);
5156
5157         CL22_WR_OVER_CL45(bp, phy,
5158                           MDIO_REG_BANK_OVER_1G,
5159                           MDIO_OVER_1G_UP3, 0x400);
5160 }
5161
5162 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5163                                               struct link_params *params,
5164                                               u16 ieee_fc)
5165 {
5166         struct bnx2x *bp = params->bp;
5167         u16 val;
5168         /* For AN, we are always publishing full duplex */
5169
5170         CL22_WR_OVER_CL45(bp, phy,
5171                           MDIO_REG_BANK_COMBO_IEEE0,
5172                           MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5173         CL22_RD_OVER_CL45(bp, phy,
5174                           MDIO_REG_BANK_CL73_IEEEB1,
5175                           MDIO_CL73_IEEEB1_AN_ADV1, &val);
5176         val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5177         val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5178         CL22_WR_OVER_CL45(bp, phy,
5179                           MDIO_REG_BANK_CL73_IEEEB1,
5180                           MDIO_CL73_IEEEB1_AN_ADV1, val);
5181 }
5182
5183 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5184                                   struct link_params *params,
5185                                   u8 enable_cl73)
5186 {
5187         struct bnx2x *bp = params->bp;
5188         u16 mii_control;
5189
5190         DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5191         /* Enable and restart BAM/CL37 aneg */
5192
5193         if (enable_cl73) {
5194                 CL22_RD_OVER_CL45(bp, phy,
5195                                   MDIO_REG_BANK_CL73_IEEEB0,
5196                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5197                                   &mii_control);
5198
5199                 CL22_WR_OVER_CL45(bp, phy,
5200                                   MDIO_REG_BANK_CL73_IEEEB0,
5201                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5202                                   (mii_control |
5203                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5204                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5205         } else {
5206
5207                 CL22_RD_OVER_CL45(bp, phy,
5208                                   MDIO_REG_BANK_COMBO_IEEE0,
5209                                   MDIO_COMBO_IEEE0_MII_CONTROL,
5210                                   &mii_control);
5211                 DP(NETIF_MSG_LINK,
5212                          "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5213                          mii_control);
5214                 CL22_WR_OVER_CL45(bp, phy,
5215                                   MDIO_REG_BANK_COMBO_IEEE0,
5216                                   MDIO_COMBO_IEEE0_MII_CONTROL,
5217                                   (mii_control |
5218                                    MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5219                                    MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5220         }
5221 }
5222
5223 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5224                                            struct link_params *params,
5225                                            struct link_vars *vars)
5226 {
5227         struct bnx2x *bp = params->bp;
5228         u16 control1;
5229
5230         /* In SGMII mode, the unicore is always slave */
5231
5232         CL22_RD_OVER_CL45(bp, phy,
5233                           MDIO_REG_BANK_SERDES_DIGITAL,
5234                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5235                           &control1);
5236         control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5237         /* Set sgmii mode (and not fiber) */
5238         control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5239                       MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5240                       MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5241         CL22_WR_OVER_CL45(bp, phy,
5242                           MDIO_REG_BANK_SERDES_DIGITAL,
5243                           MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5244                           control1);
5245
5246         /* If forced speed */
5247         if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5248                 /* Set speed, disable autoneg */
5249                 u16 mii_control;
5250
5251                 CL22_RD_OVER_CL45(bp, phy,
5252                                   MDIO_REG_BANK_COMBO_IEEE0,
5253                                   MDIO_COMBO_IEEE0_MII_CONTROL,
5254                                   &mii_control);
5255                 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5256                                  MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5257                                  MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5258
5259                 switch (vars->line_speed) {
5260                 case SPEED_100:
5261                         mii_control |=
5262                                 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5263                         break;
5264                 case SPEED_1000:
5265                         mii_control |=
5266                                 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5267                         break;
5268                 case SPEED_10:
5269                         /* There is nothing to set for 10M */
5270                         break;
5271                 default:
5272                         /* Invalid speed for SGMII */
5273                         DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5274                                   vars->line_speed);
5275                         break;
5276                 }
5277
5278                 /* Setting the full duplex */
5279                 if (phy->req_duplex == DUPLEX_FULL)
5280                         mii_control |=
5281                                 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5282                 CL22_WR_OVER_CL45(bp, phy,
5283                                   MDIO_REG_BANK_COMBO_IEEE0,
5284                                   MDIO_COMBO_IEEE0_MII_CONTROL,
5285                                   mii_control);
5286
5287         } else { /* AN mode */
5288                 /* Enable and restart AN */
5289                 bnx2x_restart_autoneg(phy, params, 0);
5290         }
5291 }
5292
5293 /* Link management
5294  */
5295 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5296                                              struct link_params *params)
5297 {
5298         struct bnx2x *bp = params->bp;
5299         u16 pd_10g, status2_1000x;
5300         if (phy->req_line_speed != SPEED_AUTO_NEG)
5301                 return 0;
5302         CL22_RD_OVER_CL45(bp, phy,
5303                           MDIO_REG_BANK_SERDES_DIGITAL,
5304                           MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5305                           &status2_1000x);
5306         CL22_RD_OVER_CL45(bp, phy,
5307                           MDIO_REG_BANK_SERDES_DIGITAL,
5308                           MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5309                           &status2_1000x);
5310         if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5311                 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5312                          params->port);
5313                 return 1;
5314         }
5315
5316         CL22_RD_OVER_CL45(bp, phy,
5317                           MDIO_REG_BANK_10G_PARALLEL_DETECT,
5318                           MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5319                           &pd_10g);
5320
5321         if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5322                 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5323                          params->port);
5324                 return 1;
5325         }
5326         return 0;
5327 }
5328
5329 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5330                                 struct link_params *params,
5331                                 struct link_vars *vars,
5332                                 u32 gp_status)
5333 {
5334         u16 ld_pause;   /* local driver */
5335         u16 lp_pause;   /* link partner */
5336         u16 pause_result;
5337         struct bnx2x *bp = params->bp;
5338         if ((gp_status &
5339              (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5340               MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5341             (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5342              MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5343
5344                 CL22_RD_OVER_CL45(bp, phy,
5345                                   MDIO_REG_BANK_CL73_IEEEB1,
5346                                   MDIO_CL73_IEEEB1_AN_ADV1,
5347                                   &ld_pause);
5348                 CL22_RD_OVER_CL45(bp, phy,
5349                                   MDIO_REG_BANK_CL73_IEEEB1,
5350                                   MDIO_CL73_IEEEB1_AN_LP_ADV1,
5351                                   &lp_pause);
5352                 pause_result = (ld_pause &
5353                                 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5354                 pause_result |= (lp_pause &
5355                                  MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5356                 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5357         } else {
5358                 CL22_RD_OVER_CL45(bp, phy,
5359                                   MDIO_REG_BANK_COMBO_IEEE0,
5360                                   MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5361                                   &ld_pause);
5362                 CL22_RD_OVER_CL45(bp, phy,
5363                         MDIO_REG_BANK_COMBO_IEEE0,
5364                         MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5365                         &lp_pause);
5366                 pause_result = (ld_pause &
5367                                 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5368                 pause_result |= (lp_pause &
5369                                  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5370                 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5371         }
5372         bnx2x_pause_resolve(vars, pause_result);
5373
5374 }
5375
5376 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5377                                     struct link_params *params,
5378                                     struct link_vars *vars,
5379                                     u32 gp_status)
5380 {
5381         struct bnx2x *bp = params->bp;
5382         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5383
5384         /* Resolve from gp_status in case of AN complete and not sgmii */
5385         if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5386                 /* Update the advertised flow-controled of LD/LP in AN */
5387                 if (phy->req_line_speed == SPEED_AUTO_NEG)
5388                         bnx2x_update_adv_fc(phy, params, vars, gp_status);
5389                 /* But set the flow-control result as the requested one */
5390                 vars->flow_ctrl = phy->req_flow_ctrl;
5391         } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5392                 vars->flow_ctrl = params->req_fc_auto_adv;
5393         else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5394                  (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5395                 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5396                         vars->flow_ctrl = params->req_fc_auto_adv;
5397                         return;
5398                 }
5399                 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5400         }
5401         DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5402 }
5403
5404 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5405                                          struct link_params *params)
5406 {
5407         struct bnx2x *bp = params->bp;
5408         u16 rx_status, ustat_val, cl37_fsm_received;
5409         DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5410         /* Step 1: Make sure signal is detected */
5411         CL22_RD_OVER_CL45(bp, phy,
5412                           MDIO_REG_BANK_RX0,
5413                           MDIO_RX0_RX_STATUS,
5414                           &rx_status);
5415         if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5416             (MDIO_RX0_RX_STATUS_SIGDET)) {
5417                 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5418                              "rx_status(0x80b0) = 0x%x\n", rx_status);
5419                 CL22_WR_OVER_CL45(bp, phy,
5420                                   MDIO_REG_BANK_CL73_IEEEB0,
5421                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5422                                   MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5423                 return;
5424         }
5425         /* Step 2: Check CL73 state machine */
5426         CL22_RD_OVER_CL45(bp, phy,
5427                           MDIO_REG_BANK_CL73_USERB0,
5428                           MDIO_CL73_USERB0_CL73_USTAT1,
5429                           &ustat_val);
5430         if ((ustat_val &
5431              (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5432               MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5433             (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5434               MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5435                 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5436                              "ustat_val(0x8371) = 0x%x\n", ustat_val);
5437                 return;
5438         }
5439         /* Step 3: Check CL37 Message Pages received to indicate LP
5440          * supports only CL37
5441          */
5442         CL22_RD_OVER_CL45(bp, phy,
5443                           MDIO_REG_BANK_REMOTE_PHY,
5444                           MDIO_REMOTE_PHY_MISC_RX_STATUS,
5445                           &cl37_fsm_received);
5446         if ((cl37_fsm_received &
5447              (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5448              MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5449             (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5450               MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5451                 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5452                              "misc_rx_status(0x8330) = 0x%x\n",
5453                          cl37_fsm_received);
5454                 return;
5455         }
5456         /* The combined cl37/cl73 fsm state information indicating that
5457          * we are connected to a device which does not support cl73, but
5458          * does support cl37 BAM. In this case we disable cl73 and
5459          * restart cl37 auto-neg
5460          */
5461
5462         /* Disable CL73 */
5463         CL22_WR_OVER_CL45(bp, phy,
5464                           MDIO_REG_BANK_CL73_IEEEB0,
5465                           MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5466                           0);
5467         /* Restart CL37 autoneg */
5468         bnx2x_restart_autoneg(phy, params, 0);
5469         DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5470 }
5471
5472 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5473                                   struct link_params *params,
5474                                   struct link_vars *vars,
5475                                   u32 gp_status)
5476 {
5477         if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5478                 vars->link_status |=
5479                         LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5480
5481         if (bnx2x_direct_parallel_detect_used(phy, params))
5482                 vars->link_status |=
5483                         LINK_STATUS_PARALLEL_DETECTION_USED;
5484 }
5485 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5486                                      struct link_params *params,
5487                                       struct link_vars *vars,
5488                                       u16 is_link_up,
5489                                       u16 speed_mask,
5490                                       u16 is_duplex)
5491 {
5492         struct bnx2x *bp = params->bp;
5493         if (phy->req_line_speed == SPEED_AUTO_NEG)
5494                 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5495         if (is_link_up) {
5496                 DP(NETIF_MSG_LINK, "phy link up\n");
5497
5498                 vars->phy_link_up = 1;
5499                 vars->link_status |= LINK_STATUS_LINK_UP;
5500
5501                 switch (speed_mask) {
5502                 case GP_STATUS_10M:
5503                         vars->line_speed = SPEED_10;
5504                         if (is_duplex == DUPLEX_FULL)
5505                                 vars->link_status |= LINK_10TFD;
5506                         else
5507                                 vars->link_status |= LINK_10THD;
5508                         break;
5509
5510                 case GP_STATUS_100M:
5511                         vars->line_speed = SPEED_100;
5512                         if (is_duplex == DUPLEX_FULL)
5513                                 vars->link_status |= LINK_100TXFD;
5514                         else
5515                                 vars->link_status |= LINK_100TXHD;
5516                         break;
5517
5518                 case GP_STATUS_1G:
5519                 case GP_STATUS_1G_KX:
5520                         vars->line_speed = SPEED_1000;
5521                         if (is_duplex == DUPLEX_FULL)
5522                                 vars->link_status |= LINK_1000TFD;
5523                         else
5524                                 vars->link_status |= LINK_1000THD;
5525                         break;
5526
5527                 case GP_STATUS_2_5G:
5528                         vars->line_speed = SPEED_2500;
5529                         if (is_duplex == DUPLEX_FULL)
5530                                 vars->link_status |= LINK_2500TFD;
5531                         else
5532                                 vars->link_status |= LINK_2500THD;
5533                         break;
5534
5535                 case GP_STATUS_5G:
5536                 case GP_STATUS_6G:
5537                         DP(NETIF_MSG_LINK,
5538                                  "link speed unsupported  gp_status 0x%x\n",
5539                                   speed_mask);
5540                         return -EINVAL;
5541
5542                 case GP_STATUS_10G_KX4:
5543                 case GP_STATUS_10G_HIG:
5544                 case GP_STATUS_10G_CX4:
5545                 case GP_STATUS_10G_KR:
5546                 case GP_STATUS_10G_SFI:
5547                 case GP_STATUS_10G_XFI:
5548                         vars->line_speed = SPEED_10000;
5549                         vars->link_status |= LINK_10GTFD;
5550                         break;
5551                 case GP_STATUS_20G_DXGXS:
5552                 case GP_STATUS_20G_KR2:
5553                         vars->line_speed = SPEED_20000;
5554                         vars->link_status |= LINK_20GTFD;
5555                         break;
5556                 default:
5557                         DP(NETIF_MSG_LINK,
5558                                   "link speed unsupported gp_status 0x%x\n",
5559                                   speed_mask);
5560                         return -EINVAL;
5561                 }
5562         } else { /* link_down */
5563                 DP(NETIF_MSG_LINK, "phy link down\n");
5564
5565                 vars->phy_link_up = 0;
5566
5567                 vars->duplex = DUPLEX_FULL;
5568                 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5569                 vars->mac_type = MAC_TYPE_NONE;
5570         }
5571         DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5572                     vars->phy_link_up, vars->line_speed);
5573         return 0;
5574 }
5575
5576 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5577                                       struct link_params *params,
5578                                       struct link_vars *vars)
5579 {
5580         struct bnx2x *bp = params->bp;
5581
5582         u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5583         int rc = 0;
5584
5585         /* Read gp_status */
5586         CL22_RD_OVER_CL45(bp, phy,
5587                           MDIO_REG_BANK_GP_STATUS,
5588                           MDIO_GP_STATUS_TOP_AN_STATUS1,
5589                           &gp_status);
5590         if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5591                 duplex = DUPLEX_FULL;
5592         if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5593                 link_up = 1;
5594         speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5595         DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5596                        gp_status, link_up, speed_mask);
5597         rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5598                                          duplex);
5599         if (rc == -EINVAL)
5600                 return rc;
5601
5602         if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5603                 if (SINGLE_MEDIA_DIRECT(params)) {
5604                         vars->duplex = duplex;
5605                         bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5606                         if (phy->req_line_speed == SPEED_AUTO_NEG)
5607                                 bnx2x_xgxs_an_resolve(phy, params, vars,
5608                                                       gp_status);
5609                 }
5610         } else { /* Link_down */
5611                 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5612                     SINGLE_MEDIA_DIRECT(params)) {
5613                         /* Check signal is detected */
5614                         bnx2x_check_fallback_to_cl37(phy, params);
5615                 }
5616         }
5617
5618         /* Read LP advertised speeds*/
5619         if (SINGLE_MEDIA_DIRECT(params) &&
5620             (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5621                 u16 val;
5622
5623                 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5624                                   MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5625
5626                 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5627                         vars->link_status |=
5628                                 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5629                 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5630                            MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5631                         vars->link_status |=
5632                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5633
5634                 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5635                                   MDIO_OVER_1G_LP_UP1, &val);
5636
5637                 if (val & MDIO_OVER_1G_UP1_2_5G)
5638                         vars->link_status |=
5639                                 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5640                 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5641                         vars->link_status |=
5642                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5643         }
5644
5645         DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5646                    vars->duplex, vars->flow_ctrl, vars->link_status);
5647         return rc;
5648 }
5649
5650 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5651                                      struct link_params *params,
5652                                      struct link_vars *vars)
5653 {
5654         struct bnx2x *bp = params->bp;
5655         u8 lane;
5656         u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5657         int rc = 0;
5658         lane = bnx2x_get_warpcore_lane(phy, params);
5659         /* Read gp_status */
5660         if ((params->loopback_mode) &&
5661             (phy->flags & FLAGS_WC_DUAL_MODE)) {
5662                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5663                                 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5664                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5665                                 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5666                 link_up &= 0x1;
5667         } else if ((phy->req_line_speed > SPEED_10000) &&
5668                 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5669                 u16 temp_link_up;
5670                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5671                                 1, &temp_link_up);
5672                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5673                                 1, &link_up);
5674                 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5675                                temp_link_up, link_up);
5676                 link_up &= (1<<2);
5677                 if (link_up)
5678                         bnx2x_ext_phy_resolve_fc(phy, params, vars);
5679         } else {
5680                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5681                                 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5682                                 &gp_status1);
5683                 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5684                 /* Check for either KR, 1G, or AN up. */
5685                 link_up = ((gp_status1 >> 8) |
5686                            (gp_status1 >> 12) |
5687                            (gp_status1)) &
5688                         (1 << lane);
5689                 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5690                         u16 an_link;
5691                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5692                                         MDIO_AN_REG_STATUS, &an_link);
5693                         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5694                                         MDIO_AN_REG_STATUS, &an_link);
5695                         link_up |= (an_link & (1<<2));
5696                 }
5697                 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5698                         u16 pd, gp_status4;
5699                         if (phy->req_line_speed == SPEED_AUTO_NEG) {
5700                                 /* Check Autoneg complete */
5701                                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5702                                                 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5703                                                 &gp_status4);
5704                                 if (gp_status4 & ((1<<12)<<lane))
5705                                         vars->link_status |=
5706                                         LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5707
5708                                 /* Check parallel detect used */
5709                                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5710                                                 MDIO_WC_REG_PAR_DET_10G_STATUS,
5711                                                 &pd);
5712                                 if (pd & (1<<15))
5713                                         vars->link_status |=
5714                                         LINK_STATUS_PARALLEL_DETECTION_USED;
5715                         }
5716                         bnx2x_ext_phy_resolve_fc(phy, params, vars);
5717                         vars->duplex = duplex;
5718                 }
5719         }
5720
5721         if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5722             SINGLE_MEDIA_DIRECT(params)) {
5723                 u16 val;
5724
5725                 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5726                                 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5727
5728                 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5729                         vars->link_status |=
5730                                 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5731                 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5732                            MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5733                         vars->link_status |=
5734                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5735
5736                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5737                                 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5738
5739                 if (val & MDIO_OVER_1G_UP1_2_5G)
5740                         vars->link_status |=
5741                                 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5742                 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5743                         vars->link_status |=
5744                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5745
5746         }
5747
5748
5749         if (lane < 2) {
5750                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5751                                 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5752         } else {
5753                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5754                                 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5755         }
5756         DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5757
5758         if ((lane & 1) == 0)
5759                 gp_speed <<= 8;
5760         gp_speed &= 0x3f00;
5761         link_up = !!link_up;
5762
5763         rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5764                                          duplex);
5765
5766         /* In case of KR link down, start up the recovering procedure */
5767         if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5768             (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5769                 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5770
5771         DP(NETIF_MSG_LINK, "duplex %x  flow_ctrl 0x%x link_status 0x%x\n",
5772                    vars->duplex, vars->flow_ctrl, vars->link_status);
5773         return rc;
5774 }
5775 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5776 {
5777         struct bnx2x *bp = params->bp;
5778         struct bnx2x_phy *phy = &params->phy[INT_PHY];
5779         u16 lp_up2;
5780         u16 tx_driver;
5781         u16 bank;
5782
5783         /* Read precomp */
5784         CL22_RD_OVER_CL45(bp, phy,
5785                           MDIO_REG_BANK_OVER_1G,
5786                           MDIO_OVER_1G_LP_UP2, &lp_up2);
5787
5788         /* Bits [10:7] at lp_up2, positioned at [15:12] */
5789         lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5790                    MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5791                   MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5792
5793         if (lp_up2 == 0)
5794                 return;
5795
5796         for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5797               bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5798                 CL22_RD_OVER_CL45(bp, phy,
5799                                   bank,
5800                                   MDIO_TX0_TX_DRIVER, &tx_driver);
5801
5802                 /* Replace tx_driver bits [15:12] */
5803                 if (lp_up2 !=
5804                     (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5805                         tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5806                         tx_driver |= lp_up2;
5807                         CL22_WR_OVER_CL45(bp, phy,
5808                                           bank,
5809                                           MDIO_TX0_TX_DRIVER, tx_driver);
5810                 }
5811         }
5812 }
5813
5814 static int bnx2x_emac_program(struct link_params *params,
5815                               struct link_vars *vars)
5816 {
5817         struct bnx2x *bp = params->bp;
5818         u8 port = params->port;
5819         u16 mode = 0;
5820
5821         DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5822         bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5823                        EMAC_REG_EMAC_MODE,
5824                        (EMAC_MODE_25G_MODE |
5825                         EMAC_MODE_PORT_MII_10M |
5826                         EMAC_MODE_HALF_DUPLEX));
5827         switch (vars->line_speed) {
5828         case SPEED_10:
5829                 mode |= EMAC_MODE_PORT_MII_10M;
5830                 break;
5831
5832         case SPEED_100:
5833                 mode |= EMAC_MODE_PORT_MII;
5834                 break;
5835
5836         case SPEED_1000:
5837                 mode |= EMAC_MODE_PORT_GMII;
5838                 break;
5839
5840         case SPEED_2500:
5841                 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5842                 break;
5843
5844         default:
5845                 /* 10G not valid for EMAC */
5846                 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5847                            vars->line_speed);
5848                 return -EINVAL;
5849         }
5850
5851         if (vars->duplex == DUPLEX_HALF)
5852                 mode |= EMAC_MODE_HALF_DUPLEX;
5853         bnx2x_bits_en(bp,
5854                       GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5855                       mode);
5856
5857         bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5858         return 0;
5859 }
5860
5861 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5862                                   struct link_params *params)
5863 {
5864
5865         u16 bank, i = 0;
5866         struct bnx2x *bp = params->bp;
5867
5868         for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5869               bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5870                         CL22_WR_OVER_CL45(bp, phy,
5871                                           bank,
5872                                           MDIO_RX0_RX_EQ_BOOST,
5873                                           phy->rx_preemphasis[i]);
5874         }
5875
5876         for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5877                       bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5878                         CL22_WR_OVER_CL45(bp, phy,
5879                                           bank,
5880                                           MDIO_TX0_TX_DRIVER,
5881                                           phy->tx_preemphasis[i]);
5882         }
5883 }
5884
5885 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5886                                    struct link_params *params,
5887                                    struct link_vars *vars)
5888 {
5889         struct bnx2x *bp = params->bp;
5890         u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5891                           (params->loopback_mode == LOOPBACK_XGXS));
5892         if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5893                 if (SINGLE_MEDIA_DIRECT(params) &&
5894                     (params->feature_config_flags &
5895                      FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5896                         bnx2x_set_preemphasis(phy, params);
5897
5898                 /* Forced speed requested? */
5899                 if (vars->line_speed != SPEED_AUTO_NEG ||
5900                     (SINGLE_MEDIA_DIRECT(params) &&
5901                      params->loopback_mode == LOOPBACK_EXT)) {
5902                         DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5903
5904                         /* Disable autoneg */
5905                         bnx2x_set_autoneg(phy, params, vars, 0);
5906
5907                         /* Program speed and duplex */
5908                         bnx2x_program_serdes(phy, params, vars);
5909
5910                 } else { /* AN_mode */
5911                         DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5912
5913                         /* AN enabled */
5914                         bnx2x_set_brcm_cl37_advertisement(phy, params);
5915
5916                         /* Program duplex & pause advertisement (for aneg) */
5917                         bnx2x_set_ieee_aneg_advertisement(phy, params,
5918                                                           vars->ieee_fc);
5919
5920                         /* Enable autoneg */
5921                         bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5922
5923                         /* Enable and restart AN */
5924                         bnx2x_restart_autoneg(phy, params, enable_cl73);
5925                 }
5926
5927         } else { /* SGMII mode */
5928                 DP(NETIF_MSG_LINK, "SGMII\n");
5929
5930                 bnx2x_initialize_sgmii_process(phy, params, vars);
5931         }
5932 }
5933
5934 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5935                           struct link_params *params,
5936                           struct link_vars *vars)
5937 {
5938         int rc;
5939         vars->phy_flags |= PHY_XGXS_FLAG;
5940         if ((phy->req_line_speed &&
5941              ((phy->req_line_speed == SPEED_100) ||
5942               (phy->req_line_speed == SPEED_10))) ||
5943             (!phy->req_line_speed &&
5944              (phy->speed_cap_mask >=
5945               PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5946              (phy->speed_cap_mask <
5947               PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5948             (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5949                 vars->phy_flags |= PHY_SGMII_FLAG;
5950         else
5951                 vars->phy_flags &= ~PHY_SGMII_FLAG;
5952
5953         bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5954         bnx2x_set_aer_mmd(params, phy);
5955         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5956                 bnx2x_set_master_ln(params, phy);
5957
5958         rc = bnx2x_reset_unicore(params, phy, 0);
5959         /* Reset the SerDes and wait for reset bit return low */
5960         if (rc)
5961                 return rc;
5962
5963         bnx2x_set_aer_mmd(params, phy);
5964         /* Setting the masterLn_def again after the reset */
5965         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5966                 bnx2x_set_master_ln(params, phy);
5967                 bnx2x_set_swap_lanes(params, phy);
5968         }
5969
5970         return rc;
5971 }
5972
5973 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5974                                      struct bnx2x_phy *phy,
5975                                      struct link_params *params)
5976 {
5977         u16 cnt, ctrl;
5978         /* Wait for soft reset to get cleared up to 1 sec */
5979         for (cnt = 0; cnt < 1000; cnt++) {
5980                 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5981                         bnx2x_cl22_read(bp, phy,
5982                                 MDIO_PMA_REG_CTRL, &ctrl);
5983                 else
5984                         bnx2x_cl45_read(bp, phy,
5985                                 MDIO_PMA_DEVAD,
5986                                 MDIO_PMA_REG_CTRL, &ctrl);
5987                 if (!(ctrl & (1<<15)))
5988                         break;
5989                 usleep_range(1000, 2000);
5990         }
5991
5992         if (cnt == 1000)
5993                 netdev_err(bp->dev,  "Warning: PHY was not initialized,"
5994                                       " Port %d\n",
5995                          params->port);
5996         DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
5997         return cnt;
5998 }
5999
6000 static void bnx2x_link_int_enable(struct link_params *params)
6001 {
6002         u8 port = params->port;
6003         u32 mask;
6004         struct bnx2x *bp = params->bp;
6005
6006         /* Setting the status to report on link up for either XGXS or SerDes */
6007         if (CHIP_IS_E3(bp)) {
6008                 mask = NIG_MASK_XGXS0_LINK_STATUS;
6009                 if (!(SINGLE_MEDIA_DIRECT(params)))
6010                         mask |= NIG_MASK_MI_INT;
6011         } else if (params->switch_cfg == SWITCH_CFG_10G) {
6012                 mask = (NIG_MASK_XGXS0_LINK10G |
6013                         NIG_MASK_XGXS0_LINK_STATUS);
6014                 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6015                 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6016                         params->phy[INT_PHY].type !=
6017                                 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6018                         mask |= NIG_MASK_MI_INT;
6019                         DP(NETIF_MSG_LINK, "enabled external phy int\n");
6020                 }
6021
6022         } else { /* SerDes */
6023                 mask = NIG_MASK_SERDES0_LINK_STATUS;
6024                 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6025                 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6026                         params->phy[INT_PHY].type !=
6027                                 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6028                         mask |= NIG_MASK_MI_INT;
6029                         DP(NETIF_MSG_LINK, "enabled external phy int\n");
6030                 }
6031         }
6032         bnx2x_bits_en(bp,
6033                       NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6034                       mask);
6035
6036         DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6037                  (params->switch_cfg == SWITCH_CFG_10G),
6038                  REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6039         DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6040                  REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6041                  REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6042                  REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6043         DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6044            REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6045            REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6046 }
6047
6048 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6049                                      u8 exp_mi_int)
6050 {
6051         u32 latch_status = 0;
6052
6053         /* Disable the MI INT ( external phy int ) by writing 1 to the
6054          * status register. Link down indication is high-active-signal,
6055          * so in this case we need to write the status to clear the XOR
6056          */
6057         /* Read Latched signals */
6058         latch_status = REG_RD(bp,
6059                                     NIG_REG_LATCH_STATUS_0 + port*8);
6060         DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6061         /* Handle only those with latched-signal=up.*/
6062         if (exp_mi_int)
6063                 bnx2x_bits_en(bp,
6064                               NIG_REG_STATUS_INTERRUPT_PORT0
6065                               + port*4,
6066                               NIG_STATUS_EMAC0_MI_INT);
6067         else
6068                 bnx2x_bits_dis(bp,
6069                                NIG_REG_STATUS_INTERRUPT_PORT0
6070                                + port*4,
6071                                NIG_STATUS_EMAC0_MI_INT);
6072
6073         if (latch_status & 1) {
6074
6075                 /* For all latched-signal=up : Re-Arm Latch signals */
6076                 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6077                        (latch_status & 0xfffe) | (latch_status & 1));
6078         }
6079         /* For all latched-signal=up,Write original_signal to status */
6080 }
6081
6082 static void bnx2x_link_int_ack(struct link_params *params,
6083                                struct link_vars *vars, u8 is_10g_plus)
6084 {
6085         struct bnx2x *bp = params->bp;
6086         u8 port = params->port;
6087         u32 mask;
6088         /* First reset all status we assume only one line will be
6089          * change at a time
6090          */
6091         bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6092                        (NIG_STATUS_XGXS0_LINK10G |
6093                         NIG_STATUS_XGXS0_LINK_STATUS |
6094                         NIG_STATUS_SERDES0_LINK_STATUS));
6095         if (vars->phy_link_up) {
6096                 if (USES_WARPCORE(bp))
6097                         mask = NIG_STATUS_XGXS0_LINK_STATUS;
6098                 else {
6099                         if (is_10g_plus)
6100                                 mask = NIG_STATUS_XGXS0_LINK10G;
6101                         else if (params->switch_cfg == SWITCH_CFG_10G) {
6102                                 /* Disable the link interrupt by writing 1 to
6103                                  * the relevant lane in the status register
6104                                  */
6105                                 u32 ser_lane =
6106                                         ((params->lane_config &
6107                                     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6108                                     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6109                                 mask = ((1 << ser_lane) <<
6110                                        NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6111                         } else
6112                                 mask = NIG_STATUS_SERDES0_LINK_STATUS;
6113                 }
6114                 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6115                                mask);
6116                 bnx2x_bits_en(bp,
6117                               NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6118                               mask);
6119         }
6120 }
6121
6122 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6123 {
6124         u8 *str_ptr = str;
6125         u32 mask = 0xf0000000;
6126         u8 shift = 8*4;
6127         u8 digit;
6128         u8 remove_leading_zeros = 1;
6129         if (*len < 10) {
6130                 /* Need more than 10chars for this format */
6131                 *str_ptr = '\0';
6132                 (*len)--;
6133                 return -EINVAL;
6134         }
6135         while (shift > 0) {
6136
6137                 shift -= 4;
6138                 digit = ((num & mask) >> shift);
6139                 if (digit == 0 && remove_leading_zeros) {
6140                         mask = mask >> 4;
6141                         continue;
6142                 } else if (digit < 0xa)
6143                         *str_ptr = digit + '0';
6144                 else
6145                         *str_ptr = digit - 0xa + 'a';
6146                 remove_leading_zeros = 0;
6147                 str_ptr++;
6148                 (*len)--;
6149                 mask = mask >> 4;
6150                 if (shift == 4*4) {
6151                         *str_ptr = '.';
6152                         str_ptr++;
6153                         (*len)--;
6154                         remove_leading_zeros = 1;
6155                 }
6156         }
6157         return 0;
6158 }
6159
6160
6161 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6162 {
6163         str[0] = '\0';
6164         (*len)--;
6165         return 0;
6166 }
6167
6168 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6169                                  u16 len)
6170 {
6171         struct bnx2x *bp;
6172         u32 spirom_ver = 0;
6173         int status = 0;
6174         u8 *ver_p = version;
6175         u16 remain_len = len;
6176         if (version == NULL || params == NULL)
6177                 return -EINVAL;
6178         bp = params->bp;
6179
6180         /* Extract first external phy*/
6181         version[0] = '\0';
6182         spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6183
6184         if (params->phy[EXT_PHY1].format_fw_ver) {
6185                 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6186                                                               ver_p,
6187                                                               &remain_len);
6188                 ver_p += (len - remain_len);
6189         }
6190         if ((params->num_phys == MAX_PHYS) &&
6191             (params->phy[EXT_PHY2].ver_addr != 0)) {
6192                 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6193                 if (params->phy[EXT_PHY2].format_fw_ver) {
6194                         *ver_p = '/';
6195                         ver_p++;
6196                         remain_len--;
6197                         status |= params->phy[EXT_PHY2].format_fw_ver(
6198                                 spirom_ver,
6199                                 ver_p,
6200                                 &remain_len);
6201                         ver_p = version + (len - remain_len);
6202                 }
6203         }
6204         *ver_p = '\0';
6205         return status;
6206 }
6207
6208 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6209                                     struct link_params *params)
6210 {
6211         u8 port = params->port;
6212         struct bnx2x *bp = params->bp;
6213
6214         if (phy->req_line_speed != SPEED_1000) {
6215                 u32 md_devad = 0;
6216
6217                 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6218
6219                 if (!CHIP_IS_E3(bp)) {
6220                         /* Change the uni_phy_addr in the nig */
6221                         md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6222                                                port*0x18));
6223
6224                         REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6225                                0x5);
6226                 }
6227
6228                 bnx2x_cl45_write(bp, phy,
6229                                  5,
6230                                  (MDIO_REG_BANK_AER_BLOCK +
6231                                   (MDIO_AER_BLOCK_AER_REG & 0xf)),
6232                                  0x2800);
6233
6234                 bnx2x_cl45_write(bp, phy,
6235                                  5,
6236                                  (MDIO_REG_BANK_CL73_IEEEB0 +
6237                                   (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6238                                  0x6041);
6239                 msleep(200);
6240                 /* Set aer mmd back */
6241                 bnx2x_set_aer_mmd(params, phy);
6242
6243                 if (!CHIP_IS_E3(bp)) {
6244                         /* And md_devad */
6245                         REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6246                                md_devad);
6247                 }
6248         } else {
6249                 u16 mii_ctrl;
6250                 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6251                 bnx2x_cl45_read(bp, phy, 5,
6252                                 (MDIO_REG_BANK_COMBO_IEEE0 +
6253                                 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6254                                 &mii_ctrl);
6255                 bnx2x_cl45_write(bp, phy, 5,
6256                                  (MDIO_REG_BANK_COMBO_IEEE0 +
6257                                  (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6258                                  mii_ctrl |
6259                                  MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6260         }
6261 }
6262
6263 int bnx2x_set_led(struct link_params *params,
6264                   struct link_vars *vars, u8 mode, u32 speed)
6265 {
6266         u8 port = params->port;
6267         u16 hw_led_mode = params->hw_led_mode;
6268         int rc = 0;
6269         u8 phy_idx;
6270         u32 tmp;
6271         u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6272         struct bnx2x *bp = params->bp;
6273         DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6274         DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6275                  speed, hw_led_mode);
6276         /* In case */
6277         for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6278                 if (params->phy[phy_idx].set_link_led) {
6279                         params->phy[phy_idx].set_link_led(
6280                                 &params->phy[phy_idx], params, mode);
6281                 }
6282         }
6283
6284         switch (mode) {
6285         case LED_MODE_FRONT_PANEL_OFF:
6286         case LED_MODE_OFF:
6287                 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6288                 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6289                        SHARED_HW_CFG_LED_MAC1);
6290
6291                 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6292                 if (params->phy[EXT_PHY1].type ==
6293                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6294                         tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6295                                 EMAC_LED_100MB_OVERRIDE |
6296                                 EMAC_LED_10MB_OVERRIDE);
6297                 else
6298                         tmp |= EMAC_LED_OVERRIDE;
6299
6300                 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6301                 break;
6302
6303         case LED_MODE_OPER:
6304                 /* For all other phys, OPER mode is same as ON, so in case
6305                  * link is down, do nothing
6306                  */
6307                 if (!vars->link_up)
6308                         break;
6309         case LED_MODE_ON:
6310                 if (((params->phy[EXT_PHY1].type ==
6311                           PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6312                          (params->phy[EXT_PHY1].type ==
6313                           PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6314                     CHIP_IS_E2(bp) && params->num_phys == 2) {
6315                         /* This is a work-around for E2+8727 Configurations */
6316                         if (mode == LED_MODE_ON ||
6317                                 speed == SPEED_10000){
6318                                 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6319                                 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6320
6321                                 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6322                                 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6323                                         (tmp | EMAC_LED_OVERRIDE));
6324                                 /* Return here without enabling traffic
6325                                  * LED blink and setting rate in ON mode.
6326                                  * In oper mode, enabling LED blink
6327                                  * and setting rate is needed.
6328                                  */
6329                                 if (mode == LED_MODE_ON)
6330                                         return rc;
6331                         }
6332                 } else if (SINGLE_MEDIA_DIRECT(params)) {
6333                         /* This is a work-around for HW issue found when link
6334                          * is up in CL73
6335                          */
6336                         if ((!CHIP_IS_E3(bp)) ||
6337                             (CHIP_IS_E3(bp) &&
6338                              mode == LED_MODE_ON))
6339                                 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6340
6341                         if (CHIP_IS_E1x(bp) ||
6342                             CHIP_IS_E2(bp) ||
6343                             (mode == LED_MODE_ON))
6344                                 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6345                         else
6346                                 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6347                                        hw_led_mode);
6348                 } else if ((params->phy[EXT_PHY1].type ==
6349                             PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6350                            (mode == LED_MODE_ON)) {
6351                         REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6352                         tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6353                         EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6354                                 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6355                         /* Break here; otherwise, it'll disable the
6356                          * intended override.
6357                          */
6358                         break;
6359                 } else {
6360                         u32 nig_led_mode = ((params->hw_led_mode <<
6361                                              SHARED_HW_CFG_LED_MODE_SHIFT) ==
6362                                             SHARED_HW_CFG_LED_EXTPHY2) ?
6363                                 (SHARED_HW_CFG_LED_PHY1 >>
6364                                  SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6365                         REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6366                                nig_led_mode);
6367                 }
6368
6369                 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6370                 /* Set blinking rate to ~15.9Hz */
6371                 if (CHIP_IS_E3(bp))
6372                         REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6373                                LED_BLINK_RATE_VAL_E3);
6374                 else
6375                         REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6376                                LED_BLINK_RATE_VAL_E1X_E2);
6377                 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6378                        port*4, 1);
6379                 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6380                 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6381                         (tmp & (~EMAC_LED_OVERRIDE)));
6382
6383                 if (CHIP_IS_E1(bp) &&
6384                     ((speed == SPEED_2500) ||
6385                      (speed == SPEED_1000) ||
6386                      (speed == SPEED_100) ||
6387                      (speed == SPEED_10))) {
6388                         /* For speeds less than 10G LED scheme is different */
6389                         REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6390                                + port*4, 1);
6391                         REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6392                                port*4, 0);
6393                         REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6394                                port*4, 1);
6395                 }
6396                 break;
6397
6398         default:
6399                 rc = -EINVAL;
6400                 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6401                          mode);
6402                 break;
6403         }
6404         return rc;
6405
6406 }
6407
6408 /* This function comes to reflect the actual link state read DIRECTLY from the
6409  * HW
6410  */
6411 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6412                     u8 is_serdes)
6413 {
6414         struct bnx2x *bp = params->bp;
6415         u16 gp_status = 0, phy_index = 0;
6416         u8 ext_phy_link_up = 0, serdes_phy_type;
6417         struct link_vars temp_vars;
6418         struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
6419
6420         if (CHIP_IS_E3(bp)) {
6421                 u16 link_up;
6422                 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6423                     > SPEED_10000) {
6424                         /* Check 20G link */
6425                         bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6426                                         1, &link_up);
6427                         bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6428                                         1, &link_up);
6429                         link_up &= (1<<2);
6430                 } else {
6431                         /* Check 10G link and below*/
6432                         u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6433                         bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6434                                         MDIO_WC_REG_GP2_STATUS_GP_2_1,
6435                                         &gp_status);
6436                         gp_status = ((gp_status >> 8) & 0xf) |
6437                                 ((gp_status >> 12) & 0xf);
6438                         link_up = gp_status & (1 << lane);
6439                 }
6440                 if (!link_up)
6441                         return -ESRCH;
6442         } else {
6443                 CL22_RD_OVER_CL45(bp, int_phy,
6444                           MDIO_REG_BANK_GP_STATUS,
6445                           MDIO_GP_STATUS_TOP_AN_STATUS1,
6446                           &gp_status);
6447         /* Link is up only if both local phy and external phy are up */
6448         if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6449                 return -ESRCH;
6450         }
6451         /* In XGXS loopback mode, do not check external PHY */
6452         if (params->loopback_mode == LOOPBACK_XGXS)
6453                 return 0;
6454
6455         switch (params->num_phys) {
6456         case 1:
6457                 /* No external PHY */
6458                 return 0;
6459         case 2:
6460                 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6461                         &params->phy[EXT_PHY1],
6462                         params, &temp_vars);
6463                 break;
6464         case 3: /* Dual Media */
6465                 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6466                       phy_index++) {
6467                         serdes_phy_type = ((params->phy[phy_index].media_type ==
6468                                             ETH_PHY_SFPP_10G_FIBER) ||
6469                                            (params->phy[phy_index].media_type ==
6470                                             ETH_PHY_SFP_1G_FIBER) ||
6471                                            (params->phy[phy_index].media_type ==
6472                                             ETH_PHY_XFP_FIBER) ||
6473                                            (params->phy[phy_index].media_type ==
6474                                             ETH_PHY_DA_TWINAX));
6475
6476                         if (is_serdes != serdes_phy_type)
6477                                 continue;
6478                         if (params->phy[phy_index].read_status) {
6479                                 ext_phy_link_up |=
6480                                         params->phy[phy_index].read_status(
6481                                                 &params->phy[phy_index],
6482                                                 params, &temp_vars);
6483                         }
6484                 }
6485                 break;
6486         }
6487         if (ext_phy_link_up)
6488                 return 0;
6489         return -ESRCH;
6490 }
6491
6492 static int bnx2x_link_initialize(struct link_params *params,
6493                                  struct link_vars *vars)
6494 {
6495         u8 phy_index, non_ext_phy;
6496         struct bnx2x *bp = params->bp;
6497         /* In case of external phy existence, the line speed would be the
6498          * line speed linked up by the external phy. In case it is direct
6499          * only, then the line_speed during initialization will be
6500          * equal to the req_line_speed
6501          */
6502         vars->line_speed = params->phy[INT_PHY].req_line_speed;
6503
6504         /* Initialize the internal phy in case this is a direct board
6505          * (no external phys), or this board has external phy which requires
6506          * to first.
6507          */
6508         if (!USES_WARPCORE(bp))
6509                 bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
6510         /* init ext phy and enable link state int */
6511         non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6512                        (params->loopback_mode == LOOPBACK_XGXS));
6513
6514         if (non_ext_phy ||
6515             (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6516             (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6517                 struct bnx2x_phy *phy = &params->phy[INT_PHY];
6518                 if (vars->line_speed == SPEED_AUTO_NEG &&
6519                     (CHIP_IS_E1x(bp) ||
6520                      CHIP_IS_E2(bp)))
6521                         bnx2x_set_parallel_detection(phy, params);
6522                 if (params->phy[INT_PHY].config_init)
6523                         params->phy[INT_PHY].config_init(phy, params, vars);
6524         }
6525
6526         /* Re-read this value in case it was changed inside config_init due to
6527          * limitations of optic module
6528          */
6529         vars->line_speed = params->phy[INT_PHY].req_line_speed;
6530
6531         /* Init external phy*/
6532         if (non_ext_phy) {
6533                 if (params->phy[INT_PHY].supported &
6534                     SUPPORTED_FIBRE)
6535                         vars->link_status |= LINK_STATUS_SERDES_LINK;
6536         } else {
6537                 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6538                       phy_index++) {
6539                         /* No need to initialize second phy in case of first
6540                          * phy only selection. In case of second phy, we do
6541                          * need to initialize the first phy, since they are
6542                          * connected.
6543                          */
6544                         if (params->phy[phy_index].supported &
6545                             SUPPORTED_FIBRE)
6546                                 vars->link_status |= LINK_STATUS_SERDES_LINK;
6547
6548                         if (phy_index == EXT_PHY2 &&
6549                             (bnx2x_phy_selection(params) ==
6550                              PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6551                                 DP(NETIF_MSG_LINK,
6552                                    "Not initializing second phy\n");
6553                                 continue;
6554                         }
6555                         params->phy[phy_index].config_init(
6556                                 &params->phy[phy_index],
6557                                 params, vars);
6558                 }
6559         }
6560         /* Reset the interrupt indication after phy was initialized */
6561         bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6562                        params->port*4,
6563                        (NIG_STATUS_XGXS0_LINK10G |
6564                         NIG_STATUS_XGXS0_LINK_STATUS |
6565                         NIG_STATUS_SERDES0_LINK_STATUS |
6566                         NIG_MASK_MI_INT));
6567         return 0;
6568 }
6569
6570 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6571                                  struct link_params *params)
6572 {
6573         /* Reset the SerDes/XGXS */
6574         REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6575                (0x1ff << (params->port*16)));
6576 }
6577
6578 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6579                                         struct link_params *params)
6580 {
6581         struct bnx2x *bp = params->bp;
6582         u8 gpio_port;
6583         /* HW reset */
6584         if (CHIP_IS_E2(bp))
6585                 gpio_port = BP_PATH(bp);
6586         else
6587                 gpio_port = params->port;
6588         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6589                        MISC_REGISTERS_GPIO_OUTPUT_LOW,
6590                        gpio_port);
6591         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6592                        MISC_REGISTERS_GPIO_OUTPUT_LOW,
6593                        gpio_port);
6594         DP(NETIF_MSG_LINK, "reset external PHY\n");
6595 }
6596
6597 static int bnx2x_update_link_down(struct link_params *params,
6598                                   struct link_vars *vars)
6599 {
6600         struct bnx2x *bp = params->bp;
6601         u8 port = params->port;
6602
6603         DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6604         bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6605         vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6606         /* Indicate no mac active */
6607         vars->mac_type = MAC_TYPE_NONE;
6608
6609         /* Update shared memory */
6610         vars->link_status &= ~LINK_UPDATE_MASK;
6611         vars->line_speed = 0;
6612         bnx2x_update_mng(params, vars->link_status);
6613
6614         /* Activate nig drain */
6615         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6616
6617         /* Disable emac */
6618         if (!CHIP_IS_E3(bp))
6619                 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6620
6621         usleep_range(10000, 20000);
6622         /* Reset BigMac/Xmac */
6623         if (CHIP_IS_E1x(bp) ||
6624             CHIP_IS_E2(bp))
6625                 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6626
6627         if (CHIP_IS_E3(bp)) {
6628                 /* Prevent LPI Generation by chip */
6629                 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6630                        0);
6631                 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6632                        0);
6633                 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6634                                       SHMEM_EEE_ACTIVE_BIT);
6635
6636                 bnx2x_update_mng_eee(params, vars->eee_status);
6637                 bnx2x_set_xmac_rxtx(params, 0);
6638                 bnx2x_set_umac_rxtx(params, 0);
6639         }
6640
6641         return 0;
6642 }
6643
6644 static int bnx2x_update_link_up(struct link_params *params,
6645                                 struct link_vars *vars,
6646                                 u8 link_10g)
6647 {
6648         struct bnx2x *bp = params->bp;
6649         u8 phy_idx, port = params->port;
6650         int rc = 0;
6651
6652         vars->link_status |= (LINK_STATUS_LINK_UP |
6653                               LINK_STATUS_PHYSICAL_LINK_FLAG);
6654         vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6655
6656         if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6657                 vars->link_status |=
6658                         LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6659
6660         if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6661                 vars->link_status |=
6662                         LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6663         if (USES_WARPCORE(bp)) {
6664                 if (link_10g) {
6665                         if (bnx2x_xmac_enable(params, vars, 0) ==
6666                             -ESRCH) {
6667                                 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6668                                 vars->link_up = 0;
6669                                 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6670                                 vars->link_status &= ~LINK_STATUS_LINK_UP;
6671                         }
6672                 } else
6673                         bnx2x_umac_enable(params, vars, 0);
6674                 bnx2x_set_led(params, vars,
6675                               LED_MODE_OPER, vars->line_speed);
6676
6677                 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6678                     (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6679                         DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6680                         REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6681                                (params->port << 2), 1);
6682                         REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6683                         REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6684                                (params->port << 2), 0xfc20);
6685                 }
6686         }
6687         if ((CHIP_IS_E1x(bp) ||
6688              CHIP_IS_E2(bp))) {
6689                 if (link_10g) {
6690                         if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6691                             -ESRCH) {
6692                                 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6693                                 vars->link_up = 0;
6694                                 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6695                                 vars->link_status &= ~LINK_STATUS_LINK_UP;
6696                         }
6697
6698                         bnx2x_set_led(params, vars,
6699                                       LED_MODE_OPER, SPEED_10000);
6700                 } else {
6701                         rc = bnx2x_emac_program(params, vars);
6702                         bnx2x_emac_enable(params, vars, 0);
6703
6704                         /* AN complete? */
6705                         if ((vars->link_status &
6706                              LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6707                             && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6708                             SINGLE_MEDIA_DIRECT(params))
6709                                 bnx2x_set_gmii_tx_driver(params);
6710                 }
6711         }
6712
6713         /* PBF - link up */
6714         if (CHIP_IS_E1x(bp))
6715                 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6716                                        vars->line_speed);
6717
6718         /* Disable drain */
6719         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6720
6721         /* Update shared memory */
6722         bnx2x_update_mng(params, vars->link_status);
6723         bnx2x_update_mng_eee(params, vars->eee_status);
6724         /* Check remote fault */
6725         for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6726                 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6727                         bnx2x_check_half_open_conn(params, vars, 0);
6728                         break;
6729                 }
6730         }
6731         msleep(20);
6732         return rc;
6733 }
6734 /* The bnx2x_link_update function should be called upon link
6735  * interrupt.
6736  * Link is considered up as follows:
6737  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6738  *   to be up
6739  * - SINGLE_MEDIA - The link between the 577xx and the external
6740  *   phy (XGXS) need to up as well as the external link of the
6741  *   phy (PHY_EXT1)
6742  * - DUAL_MEDIA - The link between the 577xx and the first
6743  *   external phy needs to be up, and at least one of the 2
6744  *   external phy link must be up.
6745  */
6746 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6747 {
6748         struct bnx2x *bp = params->bp;
6749         struct link_vars phy_vars[MAX_PHYS];
6750         u8 port = params->port;
6751         u8 link_10g_plus, phy_index;
6752         u8 ext_phy_link_up = 0, cur_link_up;
6753         int rc = 0;
6754         u8 is_mi_int = 0;
6755         u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6756         u8 active_external_phy = INT_PHY;
6757         vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6758         vars->link_status &= ~LINK_UPDATE_MASK;
6759         for (phy_index = INT_PHY; phy_index < params->num_phys;
6760               phy_index++) {
6761                 phy_vars[phy_index].flow_ctrl = 0;
6762                 phy_vars[phy_index].link_status = 0;
6763                 phy_vars[phy_index].line_speed = 0;
6764                 phy_vars[phy_index].duplex = DUPLEX_FULL;
6765                 phy_vars[phy_index].phy_link_up = 0;
6766                 phy_vars[phy_index].link_up = 0;
6767                 phy_vars[phy_index].fault_detected = 0;
6768                 /* different consideration, since vars holds inner state */
6769                 phy_vars[phy_index].eee_status = vars->eee_status;
6770         }
6771
6772         if (USES_WARPCORE(bp))
6773                 bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
6774
6775         DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6776                  port, (vars->phy_flags & PHY_XGXS_FLAG),
6777                  REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6778
6779         is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6780                                 port*0x18) > 0);
6781         DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6782                  REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6783                  is_mi_int,
6784                  REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6785
6786         DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6787           REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6788           REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6789
6790         /* Disable emac */
6791         if (!CHIP_IS_E3(bp))
6792                 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6793
6794         /* Step 1:
6795          * Check external link change only for external phys, and apply
6796          * priority selection between them in case the link on both phys
6797          * is up. Note that instead of the common vars, a temporary
6798          * vars argument is used since each phy may have different link/
6799          * speed/duplex result
6800          */
6801         for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6802               phy_index++) {
6803                 struct bnx2x_phy *phy = &params->phy[phy_index];
6804                 if (!phy->read_status)
6805                         continue;
6806                 /* Read link status and params of this ext phy */
6807                 cur_link_up = phy->read_status(phy, params,
6808                                                &phy_vars[phy_index]);
6809                 if (cur_link_up) {
6810                         DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6811                                    phy_index);
6812                 } else {
6813                         DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6814                                    phy_index);
6815                         continue;
6816                 }
6817
6818                 if (!ext_phy_link_up) {
6819                         ext_phy_link_up = 1;
6820                         active_external_phy = phy_index;
6821                 } else {
6822                         switch (bnx2x_phy_selection(params)) {
6823                         case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6824                         case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6825                         /* In this option, the first PHY makes sure to pass the
6826                          * traffic through itself only.
6827                          * Its not clear how to reset the link on the second phy
6828                          */
6829                                 active_external_phy = EXT_PHY1;
6830                                 break;
6831                         case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6832                         /* In this option, the first PHY makes sure to pass the
6833                          * traffic through the second PHY.
6834                          */
6835                                 active_external_phy = EXT_PHY2;
6836                                 break;
6837                         default:
6838                         /* Link indication on both PHYs with the following cases
6839                          * is invalid:
6840                          * - FIRST_PHY means that second phy wasn't initialized,
6841                          * hence its link is expected to be down
6842                          * - SECOND_PHY means that first phy should not be able
6843                          * to link up by itself (using configuration)
6844                          * - DEFAULT should be overriden during initialiazation
6845                          */
6846                                 DP(NETIF_MSG_LINK, "Invalid link indication"
6847                                            "mpc=0x%x. DISABLING LINK !!!\n",
6848                                            params->multi_phy_config);
6849                                 ext_phy_link_up = 0;
6850                                 break;
6851                         }
6852                 }
6853         }
6854         prev_line_speed = vars->line_speed;
6855         /* Step 2:
6856          * Read the status of the internal phy. In case of
6857          * DIRECT_SINGLE_MEDIA board, this link is the external link,
6858          * otherwise this is the link between the 577xx and the first
6859          * external phy
6860          */
6861         if (params->phy[INT_PHY].read_status)
6862                 params->phy[INT_PHY].read_status(
6863                         &params->phy[INT_PHY],
6864                         params, vars);
6865         /* The INT_PHY flow control reside in the vars. This include the
6866          * case where the speed or flow control are not set to AUTO.
6867          * Otherwise, the active external phy flow control result is set
6868          * to the vars. The ext_phy_line_speed is needed to check if the
6869          * speed is different between the internal phy and external phy.
6870          * This case may be result of intermediate link speed change.
6871          */
6872         if (active_external_phy > INT_PHY) {
6873                 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6874                 /* Link speed is taken from the XGXS. AN and FC result from
6875                  * the external phy.
6876                  */
6877                 vars->link_status |= phy_vars[active_external_phy].link_status;
6878
6879                 /* if active_external_phy is first PHY and link is up - disable
6880                  * disable TX on second external PHY
6881                  */
6882                 if (active_external_phy == EXT_PHY1) {
6883                         if (params->phy[EXT_PHY2].phy_specific_func) {
6884                                 DP(NETIF_MSG_LINK,
6885                                    "Disabling TX on EXT_PHY2\n");
6886                                 params->phy[EXT_PHY2].phy_specific_func(
6887                                         &params->phy[EXT_PHY2],
6888                                         params, DISABLE_TX);
6889                         }
6890                 }
6891
6892                 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6893                 vars->duplex = phy_vars[active_external_phy].duplex;
6894                 if (params->phy[active_external_phy].supported &
6895                     SUPPORTED_FIBRE)
6896                         vars->link_status |= LINK_STATUS_SERDES_LINK;
6897                 else
6898                         vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6899
6900                 vars->eee_status = phy_vars[active_external_phy].eee_status;
6901
6902                 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6903                            active_external_phy);
6904         }
6905
6906         for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6907               phy_index++) {
6908                 if (params->phy[phy_index].flags &
6909                     FLAGS_REARM_LATCH_SIGNAL) {
6910                         bnx2x_rearm_latch_signal(bp, port,
6911                                                  phy_index ==
6912                                                  active_external_phy);
6913                         break;
6914                 }
6915         }
6916         DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6917                    " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6918                    vars->link_status, ext_phy_line_speed);
6919         /* Upon link speed change set the NIG into drain mode. Comes to
6920          * deals with possible FIFO glitch due to clk change when speed
6921          * is decreased without link down indicator
6922          */
6923
6924         if (vars->phy_link_up) {
6925                 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6926                     (ext_phy_line_speed != vars->line_speed)) {
6927                         DP(NETIF_MSG_LINK, "Internal link speed %d is"
6928                                    " different than the external"
6929                                    " link speed %d\n", vars->line_speed,
6930                                    ext_phy_line_speed);
6931                         vars->phy_link_up = 0;
6932                 } else if (prev_line_speed != vars->line_speed) {
6933                         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6934                                0);
6935                         usleep_range(1000, 2000);
6936                 }
6937         }
6938
6939         /* Anything 10 and over uses the bmac */
6940         link_10g_plus = (vars->line_speed >= SPEED_10000);
6941
6942         bnx2x_link_int_ack(params, vars, link_10g_plus);
6943
6944         /* In case external phy link is up, and internal link is down
6945          * (not initialized yet probably after link initialization, it
6946          * needs to be initialized.
6947          * Note that after link down-up as result of cable plug, the xgxs
6948          * link would probably become up again without the need
6949          * initialize it
6950          */
6951         if (!(SINGLE_MEDIA_DIRECT(params))) {
6952                 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6953                            " init_preceding = %d\n", ext_phy_link_up,
6954                            vars->phy_link_up,
6955                            params->phy[EXT_PHY1].flags &
6956                            FLAGS_INIT_XGXS_FIRST);
6957                 if (!(params->phy[EXT_PHY1].flags &
6958                       FLAGS_INIT_XGXS_FIRST)
6959                     && ext_phy_link_up && !vars->phy_link_up) {
6960                         vars->line_speed = ext_phy_line_speed;
6961                         if (vars->line_speed < SPEED_1000)
6962                                 vars->phy_flags |= PHY_SGMII_FLAG;
6963                         else
6964                                 vars->phy_flags &= ~PHY_SGMII_FLAG;
6965
6966                         if (params->phy[INT_PHY].config_init)
6967                                 params->phy[INT_PHY].config_init(
6968                                         &params->phy[INT_PHY], params,
6969                                                 vars);
6970                 }
6971         }
6972         /* Link is up only if both local phy and external phy (in case of
6973          * non-direct board) are up and no fault detected on active PHY.
6974          */
6975         vars->link_up = (vars->phy_link_up &&
6976                          (ext_phy_link_up ||
6977                           SINGLE_MEDIA_DIRECT(params)) &&
6978                          (phy_vars[active_external_phy].fault_detected == 0));
6979
6980         /* Update the PFC configuration in case it was changed */
6981         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6982                 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6983         else
6984                 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6985
6986         if (vars->link_up)
6987                 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6988         else
6989                 rc = bnx2x_update_link_down(params, vars);
6990
6991         /* Update MCP link status was changed */
6992         if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6993                 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6994
6995         return rc;
6996 }
6997
6998 /*****************************************************************************/
6999 /*                          External Phy section                             */
7000 /*****************************************************************************/
7001 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7002 {
7003         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7004                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7005         usleep_range(1000, 2000);
7006         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7007                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7008 }
7009
7010 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7011                                       u32 spirom_ver, u32 ver_addr)
7012 {
7013         DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7014                  (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7015
7016         if (ver_addr)
7017                 REG_WR(bp, ver_addr, spirom_ver);
7018 }
7019
7020 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7021                                       struct bnx2x_phy *phy,
7022                                       u8 port)
7023 {
7024         u16 fw_ver1, fw_ver2;
7025
7026         bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7027                         MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7028         bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7029                         MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7030         bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7031                                   phy->ver_addr);
7032 }
7033
7034 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7035                                        struct bnx2x_phy *phy,
7036                                        struct link_vars *vars)
7037 {
7038         u16 val;
7039         bnx2x_cl45_read(bp, phy,
7040                         MDIO_AN_DEVAD,
7041                         MDIO_AN_REG_STATUS, &val);
7042         bnx2x_cl45_read(bp, phy,
7043                         MDIO_AN_DEVAD,
7044                         MDIO_AN_REG_STATUS, &val);
7045         if (val & (1<<5))
7046                 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7047         if ((val & (1<<0)) == 0)
7048                 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7049 }
7050
7051 /******************************************************************/
7052 /*              common BCM8073/BCM8727 PHY SECTION                */
7053 /******************************************************************/
7054 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7055                                   struct link_params *params,
7056                                   struct link_vars *vars)
7057 {
7058         struct bnx2x *bp = params->bp;
7059         if (phy->req_line_speed == SPEED_10 ||
7060             phy->req_line_speed == SPEED_100) {
7061                 vars->flow_ctrl = phy->req_flow_ctrl;
7062                 return;
7063         }
7064
7065         if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7066             (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7067                 u16 pause_result;
7068                 u16 ld_pause;           /* local */
7069                 u16 lp_pause;           /* link partner */
7070                 bnx2x_cl45_read(bp, phy,
7071                                 MDIO_AN_DEVAD,
7072                                 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7073
7074                 bnx2x_cl45_read(bp, phy,
7075                                 MDIO_AN_DEVAD,
7076                                 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7077                 pause_result = (ld_pause &
7078                                 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7079                 pause_result |= (lp_pause &
7080                                  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7081
7082                 bnx2x_pause_resolve(vars, pause_result);
7083                 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7084                            pause_result);
7085         }
7086 }
7087 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7088                                              struct bnx2x_phy *phy,
7089                                              u8 port)
7090 {
7091         u32 count = 0;
7092         u16 fw_ver1, fw_msgout;
7093         int rc = 0;
7094
7095         /* Boot port from external ROM  */
7096         /* EDC grst */
7097         bnx2x_cl45_write(bp, phy,
7098                          MDIO_PMA_DEVAD,
7099                          MDIO_PMA_REG_GEN_CTRL,
7100                          0x0001);
7101
7102         /* Ucode reboot and rst */
7103         bnx2x_cl45_write(bp, phy,
7104                          MDIO_PMA_DEVAD,
7105                          MDIO_PMA_REG_GEN_CTRL,
7106                          0x008c);
7107
7108         bnx2x_cl45_write(bp, phy,
7109                          MDIO_PMA_DEVAD,
7110                          MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7111
7112         /* Reset internal microprocessor */
7113         bnx2x_cl45_write(bp, phy,
7114                          MDIO_PMA_DEVAD,
7115                          MDIO_PMA_REG_GEN_CTRL,
7116                          MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7117
7118         /* Release srst bit */
7119         bnx2x_cl45_write(bp, phy,
7120                          MDIO_PMA_DEVAD,
7121                          MDIO_PMA_REG_GEN_CTRL,
7122                          MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7123
7124         /* Delay 100ms per the PHY specifications */
7125         msleep(100);
7126
7127         /* 8073 sometimes taking longer to download */
7128         do {
7129                 count++;
7130                 if (count > 300) {
7131                         DP(NETIF_MSG_LINK,
7132                                  "bnx2x_8073_8727_external_rom_boot port %x:"
7133                                  "Download failed. fw version = 0x%x\n",
7134                                  port, fw_ver1);
7135                         rc = -EINVAL;
7136                         break;
7137                 }
7138
7139                 bnx2x_cl45_read(bp, phy,
7140                                 MDIO_PMA_DEVAD,
7141                                 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7142                 bnx2x_cl45_read(bp, phy,
7143                                 MDIO_PMA_DEVAD,
7144                                 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7145
7146                 usleep_range(1000, 2000);
7147         } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7148                         ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7149                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7150
7151         /* Clear ser_boot_ctl bit */
7152         bnx2x_cl45_write(bp, phy,
7153                          MDIO_PMA_DEVAD,
7154                          MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7155         bnx2x_save_bcm_spirom_ver(bp, phy, port);
7156
7157         DP(NETIF_MSG_LINK,
7158                  "bnx2x_8073_8727_external_rom_boot port %x:"
7159                  "Download complete. fw version = 0x%x\n",
7160                  port, fw_ver1);
7161
7162         return rc;
7163 }
7164
7165 /******************************************************************/
7166 /*                      BCM8073 PHY SECTION                       */
7167 /******************************************************************/
7168 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7169 {
7170         /* This is only required for 8073A1, version 102 only */
7171         u16 val;
7172
7173         /* Read 8073 HW revision*/
7174         bnx2x_cl45_read(bp, phy,
7175                         MDIO_PMA_DEVAD,
7176                         MDIO_PMA_REG_8073_CHIP_REV, &val);
7177
7178         if (val != 1) {
7179                 /* No need to workaround in 8073 A1 */
7180                 return 0;
7181         }
7182
7183         bnx2x_cl45_read(bp, phy,
7184                         MDIO_PMA_DEVAD,
7185                         MDIO_PMA_REG_ROM_VER2, &val);
7186
7187         /* SNR should be applied only for version 0x102 */
7188         if (val != 0x102)
7189                 return 0;
7190
7191         return 1;
7192 }
7193
7194 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7195 {
7196         u16 val, cnt, cnt1 ;
7197
7198         bnx2x_cl45_read(bp, phy,
7199                         MDIO_PMA_DEVAD,
7200                         MDIO_PMA_REG_8073_CHIP_REV, &val);
7201
7202         if (val > 0) {
7203                 /* No need to workaround in 8073 A1 */
7204                 return 0;
7205         }
7206         /* XAUI workaround in 8073 A0: */
7207
7208         /* After loading the boot ROM and restarting Autoneg, poll
7209          * Dev1, Reg $C820:
7210          */
7211
7212         for (cnt = 0; cnt < 1000; cnt++) {
7213                 bnx2x_cl45_read(bp, phy,
7214                                 MDIO_PMA_DEVAD,
7215                                 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7216                                 &val);
7217                   /* If bit [14] = 0 or bit [13] = 0, continue on with
7218                    * system initialization (XAUI work-around not required, as
7219                    * these bits indicate 2.5G or 1G link up).
7220                    */
7221                 if (!(val & (1<<14)) || !(val & (1<<13))) {
7222                         DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7223                         return 0;
7224                 } else if (!(val & (1<<15))) {
7225                         DP(NETIF_MSG_LINK, "bit 15 went off\n");
7226                         /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7227                          * MSB (bit15) goes to 1 (indicating that the XAUI
7228                          * workaround has completed), then continue on with
7229                          * system initialization.
7230                          */
7231                         for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7232                                 bnx2x_cl45_read(bp, phy,
7233                                         MDIO_PMA_DEVAD,
7234                                         MDIO_PMA_REG_8073_XAUI_WA, &val);
7235                                 if (val & (1<<15)) {
7236                                         DP(NETIF_MSG_LINK,
7237                                           "XAUI workaround has completed\n");
7238                                         return 0;
7239                                  }
7240                                  usleep_range(3000, 6000);
7241                         }
7242                         break;
7243                 }
7244                 usleep_range(3000, 6000);
7245         }
7246         DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7247         return -EINVAL;
7248 }
7249
7250 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7251 {
7252         /* Force KR or KX */
7253         bnx2x_cl45_write(bp, phy,
7254                          MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7255         bnx2x_cl45_write(bp, phy,
7256                          MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7257         bnx2x_cl45_write(bp, phy,
7258                          MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7259         bnx2x_cl45_write(bp, phy,
7260                          MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7261 }
7262
7263 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7264                                       struct bnx2x_phy *phy,
7265                                       struct link_vars *vars)
7266 {
7267         u16 cl37_val;
7268         struct bnx2x *bp = params->bp;
7269         bnx2x_cl45_read(bp, phy,
7270                         MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7271
7272         cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7273         /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7274         bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7275         if ((vars->ieee_fc &
7276             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7277             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7278                 cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7279         }
7280         if ((vars->ieee_fc &
7281             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7282             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7283                 cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7284         }
7285         if ((vars->ieee_fc &
7286             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7287             MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7288                 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7289         }
7290         DP(NETIF_MSG_LINK,
7291                  "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7292
7293         bnx2x_cl45_write(bp, phy,
7294                          MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7295         msleep(500);
7296 }
7297
7298 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7299                                      struct link_params *params,
7300                                      u32 action)
7301 {
7302         struct bnx2x *bp = params->bp;
7303         switch (action) {
7304         case PHY_INIT:
7305                 /* Enable LASI */
7306                 bnx2x_cl45_write(bp, phy,
7307                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7308                 bnx2x_cl45_write(bp, phy,
7309                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
7310                 break;
7311         }
7312 }
7313
7314 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7315                                   struct link_params *params,
7316                                   struct link_vars *vars)
7317 {
7318         struct bnx2x *bp = params->bp;
7319         u16 val = 0, tmp1;
7320         u8 gpio_port;
7321         DP(NETIF_MSG_LINK, "Init 8073\n");
7322
7323         if (CHIP_IS_E2(bp))
7324                 gpio_port = BP_PATH(bp);
7325         else
7326                 gpio_port = params->port;
7327         /* Restore normal power mode*/
7328         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7329                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7330
7331         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7332                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7333
7334         bnx2x_8073_specific_func(phy, params, PHY_INIT);
7335         bnx2x_8073_set_pause_cl37(params, phy, vars);
7336
7337         bnx2x_cl45_read(bp, phy,
7338                         MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7339
7340         bnx2x_cl45_read(bp, phy,
7341                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7342
7343         DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7344
7345         /* Swap polarity if required - Must be done only in non-1G mode */
7346         if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7347                 /* Configure the 8073 to swap _P and _N of the KR lines */
7348                 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7349                 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7350                 bnx2x_cl45_read(bp, phy,
7351                                 MDIO_PMA_DEVAD,
7352                                 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7353                 bnx2x_cl45_write(bp, phy,
7354                                  MDIO_PMA_DEVAD,
7355                                  MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7356                                  (val | (3<<9)));
7357         }
7358
7359
7360         /* Enable CL37 BAM */
7361         if (REG_RD(bp, params->shmem_base +
7362                          offsetof(struct shmem_region, dev_info.
7363                                   port_hw_config[params->port].default_cfg)) &
7364             PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7365
7366                 bnx2x_cl45_read(bp, phy,
7367                                 MDIO_AN_DEVAD,
7368                                 MDIO_AN_REG_8073_BAM, &val);
7369                 bnx2x_cl45_write(bp, phy,
7370                                  MDIO_AN_DEVAD,
7371                                  MDIO_AN_REG_8073_BAM, val | 1);
7372                 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7373         }
7374         if (params->loopback_mode == LOOPBACK_EXT) {
7375                 bnx2x_807x_force_10G(bp, phy);
7376                 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7377                 return 0;
7378         } else {
7379                 bnx2x_cl45_write(bp, phy,
7380                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7381         }
7382         if (phy->req_line_speed != SPEED_AUTO_NEG) {
7383                 if (phy->req_line_speed == SPEED_10000) {
7384                         val = (1<<7);
7385                 } else if (phy->req_line_speed ==  SPEED_2500) {
7386                         val = (1<<5);
7387                         /* Note that 2.5G works only when used with 1G
7388                          * advertisement
7389                          */
7390                 } else
7391                         val = (1<<5);
7392         } else {
7393                 val = 0;
7394                 if (phy->speed_cap_mask &
7395                         PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7396                         val |= (1<<7);
7397
7398                 /* Note that 2.5G works only when used with 1G advertisement */
7399                 if (phy->speed_cap_mask &
7400                         (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7401                          PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7402                         val |= (1<<5);
7403                 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7404         }
7405
7406         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7407         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7408
7409         if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7410              (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7411             (phy->req_line_speed == SPEED_2500)) {
7412                 u16 phy_ver;
7413                 /* Allow 2.5G for A1 and above */
7414                 bnx2x_cl45_read(bp, phy,
7415                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7416                                 &phy_ver);
7417                 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7418                 if (phy_ver > 0)
7419                         tmp1 |= 1;
7420                 else
7421                         tmp1 &= 0xfffe;
7422         } else {
7423                 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7424                 tmp1 &= 0xfffe;
7425         }
7426
7427         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7428         /* Add support for CL37 (passive mode) II */
7429
7430         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7431         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7432                          (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7433                                   0x20 : 0x40)));
7434
7435         /* Add support for CL37 (passive mode) III */
7436         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7437
7438         /* The SNR will improve about 2db by changing BW and FEE main
7439          * tap. Rest commands are executed after link is up
7440          * Change FFE main cursor to 5 in EDC register
7441          */
7442         if (bnx2x_8073_is_snr_needed(bp, phy))
7443                 bnx2x_cl45_write(bp, phy,
7444                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7445                                  0xFB0C);
7446
7447         /* Enable FEC (Forware Error Correction) Request in the AN */
7448         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7449         tmp1 |= (1<<15);
7450         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7451
7452         bnx2x_ext_phy_set_pause(params, phy, vars);
7453
7454         /* Restart autoneg */
7455         msleep(500);
7456         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7457         DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7458                    ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7459         return 0;
7460 }
7461
7462 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7463                                  struct link_params *params,
7464                                  struct link_vars *vars)
7465 {
7466         struct bnx2x *bp = params->bp;
7467         u8 link_up = 0;
7468         u16 val1, val2;
7469         u16 link_status = 0;
7470         u16 an1000_status = 0;
7471
7472         bnx2x_cl45_read(bp, phy,
7473                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7474
7475         DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7476
7477         /* Clear the interrupt LASI status register */
7478         bnx2x_cl45_read(bp, phy,
7479                         MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7480         bnx2x_cl45_read(bp, phy,
7481                         MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7482         DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7483         /* Clear MSG-OUT */
7484         bnx2x_cl45_read(bp, phy,
7485                         MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7486
7487         /* Check the LASI */
7488         bnx2x_cl45_read(bp, phy,
7489                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7490
7491         DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7492
7493         /* Check the link status */
7494         bnx2x_cl45_read(bp, phy,
7495                         MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7496         DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7497
7498         bnx2x_cl45_read(bp, phy,
7499                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7500         bnx2x_cl45_read(bp, phy,
7501                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7502         link_up = ((val1 & 4) == 4);
7503         DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7504
7505         if (link_up &&
7506              ((phy->req_line_speed != SPEED_10000))) {
7507                 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7508                         return 0;
7509         }
7510         bnx2x_cl45_read(bp, phy,
7511                         MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7512         bnx2x_cl45_read(bp, phy,
7513                         MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7514
7515         /* Check the link status on 1.1.2 */
7516         bnx2x_cl45_read(bp, phy,
7517                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7518         bnx2x_cl45_read(bp, phy,
7519                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7520         DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7521                    "an_link_status=0x%x\n", val2, val1, an1000_status);
7522
7523         link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7524         if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7525                 /* The SNR will improve about 2dbby changing the BW and FEE main
7526                  * tap. The 1st write to change FFE main tap is set before
7527                  * restart AN. Change PLL Bandwidth in EDC register
7528                  */
7529                 bnx2x_cl45_write(bp, phy,
7530                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7531                                  0x26BC);
7532
7533                 /* Change CDR Bandwidth in EDC register */
7534                 bnx2x_cl45_write(bp, phy,
7535                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7536                                  0x0333);
7537         }
7538         bnx2x_cl45_read(bp, phy,
7539                         MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7540                         &link_status);
7541
7542         /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7543         if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7544                 link_up = 1;
7545                 vars->line_speed = SPEED_10000;
7546                 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7547                            params->port);
7548         } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7549                 link_up = 1;
7550                 vars->line_speed = SPEED_2500;
7551                 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7552                            params->port);
7553         } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7554                 link_up = 1;
7555                 vars->line_speed = SPEED_1000;
7556                 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7557                            params->port);
7558         } else {
7559                 link_up = 0;
7560                 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7561                            params->port);
7562         }
7563
7564         if (link_up) {
7565                 /* Swap polarity if required */
7566                 if (params->lane_config &
7567                     PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7568                         /* Configure the 8073 to swap P and N of the KR lines */
7569                         bnx2x_cl45_read(bp, phy,
7570                                         MDIO_XS_DEVAD,
7571                                         MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7572                         /* Set bit 3 to invert Rx in 1G mode and clear this bit
7573                          * when it`s in 10G mode.
7574                          */
7575                         if (vars->line_speed == SPEED_1000) {
7576                                 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7577                                               "the 8073\n");
7578                                 val1 |= (1<<3);
7579                         } else
7580                                 val1 &= ~(1<<3);
7581
7582                         bnx2x_cl45_write(bp, phy,
7583                                          MDIO_XS_DEVAD,
7584                                          MDIO_XS_REG_8073_RX_CTRL_PCIE,
7585                                          val1);
7586                 }
7587                 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7588                 bnx2x_8073_resolve_fc(phy, params, vars);
7589                 vars->duplex = DUPLEX_FULL;
7590         }
7591
7592         if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7593                 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7594                                 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7595
7596                 if (val1 & (1<<5))
7597                         vars->link_status |=
7598                                 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7599                 if (val1 & (1<<7))
7600                         vars->link_status |=
7601                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7602         }
7603
7604         return link_up;
7605 }
7606
7607 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7608                                   struct link_params *params)
7609 {
7610         struct bnx2x *bp = params->bp;
7611         u8 gpio_port;
7612         if (CHIP_IS_E2(bp))
7613                 gpio_port = BP_PATH(bp);
7614         else
7615                 gpio_port = params->port;
7616         DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7617            gpio_port);
7618         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7619                        MISC_REGISTERS_GPIO_OUTPUT_LOW,
7620                        gpio_port);
7621 }
7622
7623 /******************************************************************/
7624 /*                      BCM8705 PHY SECTION                       */
7625 /******************************************************************/
7626 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7627                                   struct link_params *params,
7628                                   struct link_vars *vars)
7629 {
7630         struct bnx2x *bp = params->bp;
7631         DP(NETIF_MSG_LINK, "init 8705\n");
7632         /* Restore normal power mode*/
7633         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7634                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7635         /* HW reset */
7636         bnx2x_ext_phy_hw_reset(bp, params->port);
7637         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7638         bnx2x_wait_reset_complete(bp, phy, params);
7639
7640         bnx2x_cl45_write(bp, phy,
7641                          MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7642         bnx2x_cl45_write(bp, phy,
7643                          MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7644         bnx2x_cl45_write(bp, phy,
7645                          MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7646         bnx2x_cl45_write(bp, phy,
7647                          MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7648         /* BCM8705 doesn't have microcode, hence the 0 */
7649         bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7650         return 0;
7651 }
7652
7653 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7654                                  struct link_params *params,
7655                                  struct link_vars *vars)
7656 {
7657         u8 link_up = 0;
7658         u16 val1, rx_sd;
7659         struct bnx2x *bp = params->bp;
7660         DP(NETIF_MSG_LINK, "read status 8705\n");
7661         bnx2x_cl45_read(bp, phy,
7662                       MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7663         DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7664
7665         bnx2x_cl45_read(bp, phy,
7666                       MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7667         DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7668
7669         bnx2x_cl45_read(bp, phy,
7670                       MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7671
7672         bnx2x_cl45_read(bp, phy,
7673                       MDIO_PMA_DEVAD, 0xc809, &val1);
7674         bnx2x_cl45_read(bp, phy,
7675                       MDIO_PMA_DEVAD, 0xc809, &val1);
7676
7677         DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7678         link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7679         if (link_up) {
7680                 vars->line_speed = SPEED_10000;
7681                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7682         }
7683         return link_up;
7684 }
7685
7686 /******************************************************************/
7687 /*                      SFP+ module Section                       */
7688 /******************************************************************/
7689 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7690                                            struct bnx2x_phy *phy,
7691                                            u8 pmd_dis)
7692 {
7693         struct bnx2x *bp = params->bp;
7694         /* Disable transmitter only for bootcodes which can enable it afterwards
7695          * (for D3 link)
7696          */
7697         if (pmd_dis) {
7698                 if (params->feature_config_flags &
7699                      FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7700                         DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7701                 else {
7702                         DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7703                         return;
7704                 }
7705         } else
7706                 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7707         bnx2x_cl45_write(bp, phy,
7708                          MDIO_PMA_DEVAD,
7709                          MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7710 }
7711
7712 static u8 bnx2x_get_gpio_port(struct link_params *params)
7713 {
7714         u8 gpio_port;
7715         u32 swap_val, swap_override;
7716         struct bnx2x *bp = params->bp;
7717         if (CHIP_IS_E2(bp))
7718                 gpio_port = BP_PATH(bp);
7719         else
7720                 gpio_port = params->port;
7721         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7722         swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7723         return gpio_port ^ (swap_val && swap_override);
7724 }
7725
7726 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7727                                            struct bnx2x_phy *phy,
7728                                            u8 tx_en)
7729 {
7730         u16 val;
7731         u8 port = params->port;
7732         struct bnx2x *bp = params->bp;
7733         u32 tx_en_mode;
7734
7735         /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7736         tx_en_mode = REG_RD(bp, params->shmem_base +
7737                             offsetof(struct shmem_region,
7738                                      dev_info.port_hw_config[port].sfp_ctrl)) &
7739                 PORT_HW_CFG_TX_LASER_MASK;
7740         DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7741                            "mode = %x\n", tx_en, port, tx_en_mode);
7742         switch (tx_en_mode) {
7743         case PORT_HW_CFG_TX_LASER_MDIO:
7744
7745                 bnx2x_cl45_read(bp, phy,
7746                                 MDIO_PMA_DEVAD,
7747                                 MDIO_PMA_REG_PHY_IDENTIFIER,
7748                                 &val);
7749
7750                 if (tx_en)
7751                         val &= ~(1<<15);
7752                 else
7753                         val |= (1<<15);
7754
7755                 bnx2x_cl45_write(bp, phy,
7756                                  MDIO_PMA_DEVAD,
7757                                  MDIO_PMA_REG_PHY_IDENTIFIER,
7758                                  val);
7759         break;
7760         case PORT_HW_CFG_TX_LASER_GPIO0:
7761         case PORT_HW_CFG_TX_LASER_GPIO1:
7762         case PORT_HW_CFG_TX_LASER_GPIO2:
7763         case PORT_HW_CFG_TX_LASER_GPIO3:
7764         {
7765                 u16 gpio_pin;
7766                 u8 gpio_port, gpio_mode;
7767                 if (tx_en)
7768                         gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7769                 else
7770                         gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7771
7772                 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7773                 gpio_port = bnx2x_get_gpio_port(params);
7774                 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7775                 break;
7776         }
7777         default:
7778                 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7779                 break;
7780         }
7781 }
7782
7783 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7784                                       struct bnx2x_phy *phy,
7785                                       u8 tx_en)
7786 {
7787         struct bnx2x *bp = params->bp;
7788         DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7789         if (CHIP_IS_E3(bp))
7790                 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7791         else
7792                 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7793 }
7794
7795 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7796                                              struct link_params *params,
7797                                              u8 dev_addr, u16 addr, u8 byte_cnt,
7798                                              u8 *o_buf, u8 is_init)
7799 {
7800         struct bnx2x *bp = params->bp;
7801         u16 val = 0;
7802         u16 i;
7803         if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7804                 DP(NETIF_MSG_LINK,
7805                    "Reading from eeprom is limited to 0xf\n");
7806                 return -EINVAL;
7807         }
7808         /* Set the read command byte count */
7809         bnx2x_cl45_write(bp, phy,
7810                          MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7811                          (byte_cnt | (dev_addr << 8)));
7812
7813         /* Set the read command address */
7814         bnx2x_cl45_write(bp, phy,
7815                          MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7816                          addr);
7817
7818         /* Activate read command */
7819         bnx2x_cl45_write(bp, phy,
7820                          MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7821                          0x2c0f);
7822
7823         /* Wait up to 500us for command complete status */
7824         for (i = 0; i < 100; i++) {
7825                 bnx2x_cl45_read(bp, phy,
7826                                 MDIO_PMA_DEVAD,
7827                                 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7828                 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7829                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7830                         break;
7831                 udelay(5);
7832         }
7833
7834         if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7835                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7836                 DP(NETIF_MSG_LINK,
7837                          "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7838                          (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7839                 return -EINVAL;
7840         }
7841
7842         /* Read the buffer */
7843         for (i = 0; i < byte_cnt; i++) {
7844                 bnx2x_cl45_read(bp, phy,
7845                                 MDIO_PMA_DEVAD,
7846                                 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7847                 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7848         }
7849
7850         for (i = 0; i < 100; i++) {
7851                 bnx2x_cl45_read(bp, phy,
7852                                 MDIO_PMA_DEVAD,
7853                                 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7854                 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7855                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7856                         return 0;
7857                 usleep_range(1000, 2000);
7858         }
7859         return -EINVAL;
7860 }
7861
7862 static void bnx2x_warpcore_power_module(struct link_params *params,
7863                                         u8 power)
7864 {
7865         u32 pin_cfg;
7866         struct bnx2x *bp = params->bp;
7867
7868         pin_cfg = (REG_RD(bp, params->shmem_base +
7869                           offsetof(struct shmem_region,
7870                         dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7871                         PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7872                         PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7873
7874         if (pin_cfg == PIN_CFG_NA)
7875                 return;
7876         DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7877                        power, pin_cfg);
7878         /* Low ==> corresponding SFP+ module is powered
7879          * high ==> the SFP+ module is powered down
7880          */
7881         bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7882 }
7883 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7884                                                  struct link_params *params,
7885                                                  u8 dev_addr,
7886                                                  u16 addr, u8 byte_cnt,
7887                                                  u8 *o_buf, u8 is_init)
7888 {
7889         int rc = 0;
7890         u8 i, j = 0, cnt = 0;
7891         u32 data_array[4];
7892         u16 addr32;
7893         struct bnx2x *bp = params->bp;
7894
7895         if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7896                 DP(NETIF_MSG_LINK,
7897                    "Reading from eeprom is limited to 16 bytes\n");
7898                 return -EINVAL;
7899         }
7900
7901         /* 4 byte aligned address */
7902         addr32 = addr & (~0x3);
7903         do {
7904                 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7905                         bnx2x_warpcore_power_module(params, 0);
7906                         /* Note that 100us are not enough here */
7907                         usleep_range(1000, 2000);
7908                         bnx2x_warpcore_power_module(params, 1);
7909                 }
7910                 rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7911                                     data_array);
7912         } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7913
7914         if (rc == 0) {
7915                 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7916                         o_buf[j] = *((u8 *)data_array + i);
7917                         j++;
7918                 }
7919         }
7920
7921         return rc;
7922 }
7923
7924 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7925                                              struct link_params *params,
7926                                              u8 dev_addr, u16 addr, u8 byte_cnt,
7927                                              u8 *o_buf, u8 is_init)
7928 {
7929         struct bnx2x *bp = params->bp;
7930         u16 val, i;
7931
7932         if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7933                 DP(NETIF_MSG_LINK,
7934                    "Reading from eeprom is limited to 0xf\n");
7935                 return -EINVAL;
7936         }
7937
7938         /* Set 2-wire transfer rate of SFP+ module EEPROM
7939          * to 100Khz since some DACs(direct attached cables) do
7940          * not work at 400Khz.
7941          */
7942         bnx2x_cl45_write(bp, phy,
7943                          MDIO_PMA_DEVAD,
7944                          MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7945                          ((dev_addr << 8) | 1));
7946
7947         /* Need to read from 1.8000 to clear it */
7948         bnx2x_cl45_read(bp, phy,
7949                         MDIO_PMA_DEVAD,
7950                         MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7951                         &val);
7952
7953         /* Set the read command byte count */
7954         bnx2x_cl45_write(bp, phy,
7955                          MDIO_PMA_DEVAD,
7956                          MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7957                          ((byte_cnt < 2) ? 2 : byte_cnt));
7958
7959         /* Set the read command address */
7960         bnx2x_cl45_write(bp, phy,
7961                          MDIO_PMA_DEVAD,
7962                          MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7963                          addr);
7964         /* Set the destination address */
7965         bnx2x_cl45_write(bp, phy,
7966                          MDIO_PMA_DEVAD,
7967                          0x8004,
7968                          MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7969
7970         /* Activate read command */
7971         bnx2x_cl45_write(bp, phy,
7972                          MDIO_PMA_DEVAD,
7973                          MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7974                          0x8002);
7975         /* Wait appropriate time for two-wire command to finish before
7976          * polling the status register
7977          */
7978         usleep_range(1000, 2000);
7979
7980         /* Wait up to 500us for command complete status */
7981         for (i = 0; i < 100; i++) {
7982                 bnx2x_cl45_read(bp, phy,
7983                                 MDIO_PMA_DEVAD,
7984                                 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7985                 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7986                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7987                         break;
7988                 udelay(5);
7989         }
7990
7991         if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7992                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7993                 DP(NETIF_MSG_LINK,
7994                          "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7995                          (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7996                 return -EFAULT;
7997         }
7998
7999         /* Read the buffer */
8000         for (i = 0; i < byte_cnt; i++) {
8001                 bnx2x_cl45_read(bp, phy,
8002                                 MDIO_PMA_DEVAD,
8003                                 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8004                 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8005         }
8006
8007         for (i = 0; i < 100; i++) {
8008                 bnx2x_cl45_read(bp, phy,
8009                                 MDIO_PMA_DEVAD,
8010                                 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8011                 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8012                     MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8013                         return 0;
8014                 usleep_range(1000, 2000);
8015         }
8016
8017         return -EINVAL;
8018 }
8019 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8020                                  struct link_params *params, u8 dev_addr,
8021                                  u16 addr, u16 byte_cnt, u8 *o_buf)
8022 {
8023         int rc = 0;
8024         struct bnx2x *bp = params->bp;
8025         u8 xfer_size;
8026         u8 *user_data = o_buf;
8027         read_sfp_module_eeprom_func_p read_func;
8028
8029         if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8030                 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8031                 return -EINVAL;
8032         }
8033
8034         switch (phy->type) {
8035         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8036                 read_func = bnx2x_8726_read_sfp_module_eeprom;
8037                 break;
8038         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8039         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8040                 read_func = bnx2x_8727_read_sfp_module_eeprom;
8041                 break;
8042         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8043                 read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8044                 break;
8045         default:
8046                 return -EOPNOTSUPP;
8047         }
8048
8049         while (!rc && (byte_cnt > 0)) {
8050                 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8051                         SFP_EEPROM_PAGE_SIZE : byte_cnt;
8052                 rc = read_func(phy, params, dev_addr, addr, xfer_size,
8053                                user_data, 0);
8054                 byte_cnt -= xfer_size;
8055                 user_data += xfer_size;
8056                 addr += xfer_size;
8057         }
8058         return rc;
8059 }
8060
8061 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8062                               struct link_params *params,
8063                               u16 *edc_mode)
8064 {
8065         struct bnx2x *bp = params->bp;
8066         u32 sync_offset = 0, phy_idx, media_types;
8067         u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8068         *edc_mode = EDC_MODE_LIMITING;
8069         phy->media_type = ETH_PHY_UNSPECIFIED;
8070         /* First check for copper cable */
8071         if (bnx2x_read_sfp_module_eeprom(phy,
8072                                          params,
8073                                          I2C_DEV_ADDR_A0,
8074                                          0,
8075                                          SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8076                                          (u8 *)val) != 0) {
8077                 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8078                 return -EINVAL;
8079         }
8080         params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8081         params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8082                 LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8083         bnx2x_update_link_attr(params, params->link_attr_sync);
8084         switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8085         case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8086         {
8087                 u8 copper_module_type;
8088                 phy->media_type = ETH_PHY_DA_TWINAX;
8089                 /* Check if its active cable (includes SFP+ module)
8090                  * of passive cable
8091                  */
8092                 copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8093
8094                 if (copper_module_type &
8095                     SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8096                         DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8097                         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8098                                 *edc_mode = EDC_MODE_ACTIVE_DAC;
8099                         else
8100                                 check_limiting_mode = 1;
8101                 } else {
8102                         *edc_mode = EDC_MODE_PASSIVE_DAC;
8103                         /* Even in case PASSIVE_DAC indication is not set,
8104                          * treat it as a passive DAC cable, since some cables
8105                          * don't have this indication.
8106                          */
8107                         if (copper_module_type &
8108                             SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8109                                 DP(NETIF_MSG_LINK,
8110                                    "Passive Copper cable detected\n");
8111                         } else {
8112                                 DP(NETIF_MSG_LINK,
8113                                    "Unknown copper-cable-type\n");
8114                         }
8115                 }
8116                 break;
8117         }
8118         case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8119         case SFP_EEPROM_CON_TYPE_VAL_LC:
8120         case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8121                 check_limiting_mode = 1;
8122                 if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8123                      (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8124                       SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8125                        SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8126                     (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8127                         DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8128                         phy->media_type = ETH_PHY_SFP_1G_FIBER;
8129                         if (phy->req_line_speed != SPEED_1000) {
8130                                 u8 gport = params->port;
8131                                 phy->req_line_speed = SPEED_1000;
8132                                 if (!CHIP_IS_E1x(bp)) {
8133                                         gport = BP_PATH(bp) +
8134                                         (params->port << 1);
8135                                 }
8136                                 netdev_err(bp->dev,
8137                                            "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8138                                            gport);
8139                         }
8140                         if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8141                             SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8142                                 bnx2x_sfp_set_transmitter(params, phy, 0);
8143                                 msleep(40);
8144                                 bnx2x_sfp_set_transmitter(params, phy, 1);
8145                         }
8146                 } else {
8147                         int idx, cfg_idx = 0;
8148                         DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8149                         for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8150                                 if (params->phy[idx].type == phy->type) {
8151                                         cfg_idx = LINK_CONFIG_IDX(idx);
8152                                         break;
8153                                 }
8154                         }
8155                         phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8156                         phy->req_line_speed = params->req_line_speed[cfg_idx];
8157                 }
8158                 break;
8159         default:
8160                 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8161                          val[SFP_EEPROM_CON_TYPE_ADDR]);
8162                 return -EINVAL;
8163         }
8164         sync_offset = params->shmem_base +
8165                 offsetof(struct shmem_region,
8166                          dev_info.port_hw_config[params->port].media_type);
8167         media_types = REG_RD(bp, sync_offset);
8168         /* Update media type for non-PMF sync */
8169         for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8170                 if (&(params->phy[phy_idx]) == phy) {
8171                         media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8172                                 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8173                         media_types |= ((phy->media_type &
8174                                         PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8175                                 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8176                         break;
8177                 }
8178         }
8179         REG_WR(bp, sync_offset, media_types);
8180         if (check_limiting_mode) {
8181                 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8182                 if (bnx2x_read_sfp_module_eeprom(phy,
8183                                                  params,
8184                                                  I2C_DEV_ADDR_A0,
8185                                                  SFP_EEPROM_OPTIONS_ADDR,
8186                                                  SFP_EEPROM_OPTIONS_SIZE,
8187                                                  options) != 0) {
8188                         DP(NETIF_MSG_LINK,
8189                            "Failed to read Option field from module EEPROM\n");
8190                         return -EINVAL;
8191                 }
8192                 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8193                         *edc_mode = EDC_MODE_LINEAR;
8194                 else
8195                         *edc_mode = EDC_MODE_LIMITING;
8196         }
8197         DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8198         return 0;
8199 }
8200 /* This function read the relevant field from the module (SFP+), and verify it
8201  * is compliant with this board
8202  */
8203 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8204                                    struct link_params *params)
8205 {
8206         struct bnx2x *bp = params->bp;
8207         u32 val, cmd;
8208         u32 fw_resp, fw_cmd_param;
8209         char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8210         char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8211         phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8212         val = REG_RD(bp, params->shmem_base +
8213                          offsetof(struct shmem_region, dev_info.
8214                                   port_feature_config[params->port].config));
8215         if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8216             PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8217                 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8218                 return 0;
8219         }
8220
8221         if (params->feature_config_flags &
8222             FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8223                 /* Use specific phy request */
8224                 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8225         } else if (params->feature_config_flags &
8226                    FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8227                 /* Use first phy request only in case of non-dual media*/
8228                 if (DUAL_MEDIA(params)) {
8229                         DP(NETIF_MSG_LINK,
8230                            "FW does not support OPT MDL verification\n");
8231                         return -EINVAL;
8232                 }
8233                 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8234         } else {
8235                 /* No support in OPT MDL detection */
8236                 DP(NETIF_MSG_LINK,
8237                    "FW does not support OPT MDL verification\n");
8238                 return -EINVAL;
8239         }
8240
8241         fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8242         fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8243         if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8244                 DP(NETIF_MSG_LINK, "Approved module\n");
8245                 return 0;
8246         }
8247
8248         /* Format the warning message */
8249         if (bnx2x_read_sfp_module_eeprom(phy,
8250                                          params,
8251                                          I2C_DEV_ADDR_A0,
8252                                          SFP_EEPROM_VENDOR_NAME_ADDR,
8253                                          SFP_EEPROM_VENDOR_NAME_SIZE,
8254                                          (u8 *)vendor_name))
8255                 vendor_name[0] = '\0';
8256         else
8257                 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8258         if (bnx2x_read_sfp_module_eeprom(phy,
8259                                          params,
8260                                          I2C_DEV_ADDR_A0,
8261                                          SFP_EEPROM_PART_NO_ADDR,
8262                                          SFP_EEPROM_PART_NO_SIZE,
8263                                          (u8 *)vendor_pn))
8264                 vendor_pn[0] = '\0';
8265         else
8266                 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8267
8268         netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
8269                               " Port %d from %s part number %s\n",
8270                          params->port, vendor_name, vendor_pn);
8271         if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8272             PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8273                 phy->flags |= FLAGS_SFP_NOT_APPROVED;
8274         return -EINVAL;
8275 }
8276
8277 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8278                                                  struct link_params *params)
8279
8280 {
8281         u8 val;
8282         int rc;
8283         struct bnx2x *bp = params->bp;
8284         u16 timeout;
8285         /* Initialization time after hot-plug may take up to 300ms for
8286          * some phys type ( e.g. JDSU )
8287          */
8288
8289         for (timeout = 0; timeout < 60; timeout++) {
8290                 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8291                         rc = bnx2x_warpcore_read_sfp_module_eeprom(
8292                                 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8293                                 1);
8294                 else
8295                         rc = bnx2x_read_sfp_module_eeprom(phy, params,
8296                                                           I2C_DEV_ADDR_A0,
8297                                                           1, 1, &val);
8298                 if (rc == 0) {
8299                         DP(NETIF_MSG_LINK,
8300                            "SFP+ module initialization took %d ms\n",
8301                            timeout * 5);
8302                         return 0;
8303                 }
8304                 usleep_range(5000, 10000);
8305         }
8306         rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8307                                           1, 1, &val);
8308         return rc;
8309 }
8310
8311 static void bnx2x_8727_power_module(struct bnx2x *bp,
8312                                     struct bnx2x_phy *phy,
8313                                     u8 is_power_up) {
8314         /* Make sure GPIOs are not using for LED mode */
8315         u16 val;
8316         /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8317          * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8318          * output
8319          * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8320          * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8321          * where the 1st bit is the over-current(only input), and 2nd bit is
8322          * for power( only output )
8323          *
8324          * In case of NOC feature is disabled and power is up, set GPIO control
8325          *  as input to enable listening of over-current indication
8326          */
8327         if (phy->flags & FLAGS_NOC)
8328                 return;
8329         if (is_power_up)
8330                 val = (1<<4);
8331         else
8332                 /* Set GPIO control to OUTPUT, and set the power bit
8333                  * to according to the is_power_up
8334                  */
8335                 val = (1<<1);
8336
8337         bnx2x_cl45_write(bp, phy,
8338                          MDIO_PMA_DEVAD,
8339                          MDIO_PMA_REG_8727_GPIO_CTRL,
8340                          val);
8341 }
8342
8343 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8344                                         struct bnx2x_phy *phy,
8345                                         u16 edc_mode)
8346 {
8347         u16 cur_limiting_mode;
8348
8349         bnx2x_cl45_read(bp, phy,
8350                         MDIO_PMA_DEVAD,
8351                         MDIO_PMA_REG_ROM_VER2,
8352                         &cur_limiting_mode);
8353         DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8354                  cur_limiting_mode);
8355
8356         if (edc_mode == EDC_MODE_LIMITING) {
8357                 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8358                 bnx2x_cl45_write(bp, phy,
8359                                  MDIO_PMA_DEVAD,
8360                                  MDIO_PMA_REG_ROM_VER2,
8361                                  EDC_MODE_LIMITING);
8362         } else { /* LRM mode ( default )*/
8363
8364                 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8365
8366                 /* Changing to LRM mode takes quite few seconds. So do it only
8367                  * if current mode is limiting (default is LRM)
8368                  */
8369                 if (cur_limiting_mode != EDC_MODE_LIMITING)
8370                         return 0;
8371
8372                 bnx2x_cl45_write(bp, phy,
8373                                  MDIO_PMA_DEVAD,
8374                                  MDIO_PMA_REG_LRM_MODE,
8375                                  0);
8376                 bnx2x_cl45_write(bp, phy,
8377                                  MDIO_PMA_DEVAD,
8378                                  MDIO_PMA_REG_ROM_VER2,
8379                                  0x128);
8380                 bnx2x_cl45_write(bp, phy,
8381                                  MDIO_PMA_DEVAD,
8382                                  MDIO_PMA_REG_MISC_CTRL0,
8383                                  0x4008);
8384                 bnx2x_cl45_write(bp, phy,
8385                                  MDIO_PMA_DEVAD,
8386                                  MDIO_PMA_REG_LRM_MODE,
8387                                  0xaaaa);
8388         }
8389         return 0;
8390 }
8391
8392 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8393                                         struct bnx2x_phy *phy,
8394                                         u16 edc_mode)
8395 {
8396         u16 phy_identifier;
8397         u16 rom_ver2_val;
8398         bnx2x_cl45_read(bp, phy,
8399                         MDIO_PMA_DEVAD,
8400                         MDIO_PMA_REG_PHY_IDENTIFIER,
8401                         &phy_identifier);
8402
8403         bnx2x_cl45_write(bp, phy,
8404                          MDIO_PMA_DEVAD,
8405                          MDIO_PMA_REG_PHY_IDENTIFIER,
8406                          (phy_identifier & ~(1<<9)));
8407
8408         bnx2x_cl45_read(bp, phy,
8409                         MDIO_PMA_DEVAD,
8410                         MDIO_PMA_REG_ROM_VER2,
8411                         &rom_ver2_val);
8412         /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8413         bnx2x_cl45_write(bp, phy,
8414                          MDIO_PMA_DEVAD,
8415                          MDIO_PMA_REG_ROM_VER2,
8416                          (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8417
8418         bnx2x_cl45_write(bp, phy,
8419                          MDIO_PMA_DEVAD,
8420                          MDIO_PMA_REG_PHY_IDENTIFIER,
8421                          (phy_identifier | (1<<9)));
8422
8423         return 0;
8424 }
8425
8426 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8427                                      struct link_params *params,
8428                                      u32 action)
8429 {
8430         struct bnx2x *bp = params->bp;
8431         u16 val;
8432         switch (action) {
8433         case DISABLE_TX:
8434                 bnx2x_sfp_set_transmitter(params, phy, 0);
8435                 break;
8436         case ENABLE_TX:
8437                 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8438                         bnx2x_sfp_set_transmitter(params, phy, 1);
8439                 break;
8440         case PHY_INIT:
8441                 bnx2x_cl45_write(bp, phy,
8442                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8443                                  (1<<2) | (1<<5));
8444                 bnx2x_cl45_write(bp, phy,
8445                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8446                                  0);
8447                 bnx2x_cl45_write(bp, phy,
8448                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8449                 /* Make MOD_ABS give interrupt on change */
8450                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8451                                 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8452                                 &val);
8453                 val |= (1<<12);
8454                 if (phy->flags & FLAGS_NOC)
8455                         val |= (3<<5);
8456                 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8457                  * status which reflect SFP+ module over-current
8458                  */
8459                 if (!(phy->flags & FLAGS_NOC))
8460                         val &= 0xff8f; /* Reset bits 4-6 */
8461                 bnx2x_cl45_write(bp, phy,
8462                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8463                                  val);
8464                 break;
8465         default:
8466                 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8467                    action);
8468                 return;
8469         }
8470 }
8471
8472 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8473                                            u8 gpio_mode)
8474 {
8475         struct bnx2x *bp = params->bp;
8476
8477         u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8478                             offsetof(struct shmem_region,
8479                         dev_info.port_hw_config[params->port].sfp_ctrl)) &
8480                 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8481         switch (fault_led_gpio) {
8482         case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8483                 return;
8484         case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8485         case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8486         case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8487         case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8488         {
8489                 u8 gpio_port = bnx2x_get_gpio_port(params);
8490                 u16 gpio_pin = fault_led_gpio -
8491                         PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8492                 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8493                                    "pin %x port %x mode %x\n",
8494                                gpio_pin, gpio_port, gpio_mode);
8495                 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8496         }
8497         break;
8498         default:
8499                 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8500                                fault_led_gpio);
8501         }
8502 }
8503
8504 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8505                                           u8 gpio_mode)
8506 {
8507         u32 pin_cfg;
8508         u8 port = params->port;
8509         struct bnx2x *bp = params->bp;
8510         pin_cfg = (REG_RD(bp, params->shmem_base +
8511                          offsetof(struct shmem_region,
8512                                   dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8513                 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8514                 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8515         DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8516                        gpio_mode, pin_cfg);
8517         bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8518 }
8519
8520 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8521                                            u8 gpio_mode)
8522 {
8523         struct bnx2x *bp = params->bp;
8524         DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8525         if (CHIP_IS_E3(bp)) {
8526                 /* Low ==> if SFP+ module is supported otherwise
8527                  * High ==> if SFP+ module is not on the approved vendor list
8528                  */
8529                 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8530         } else
8531                 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8532 }
8533
8534 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8535                                     struct link_params *params)
8536 {
8537         struct bnx2x *bp = params->bp;
8538         bnx2x_warpcore_power_module(params, 0);
8539         /* Put Warpcore in low power mode */
8540         REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8541
8542         /* Put LCPLL in low power mode */
8543         REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8544         REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8545         REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8546 }
8547
8548 static void bnx2x_power_sfp_module(struct link_params *params,
8549                                    struct bnx2x_phy *phy,
8550                                    u8 power)
8551 {
8552         struct bnx2x *bp = params->bp;
8553         DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8554
8555         switch (phy->type) {
8556         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8557         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8558                 bnx2x_8727_power_module(params->bp, phy, power);
8559                 break;
8560         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8561                 bnx2x_warpcore_power_module(params, power);
8562                 break;
8563         default:
8564                 break;
8565         }
8566 }
8567 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8568                                              struct bnx2x_phy *phy,
8569                                              u16 edc_mode)
8570 {
8571         u16 val = 0;
8572         u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8573         struct bnx2x *bp = params->bp;
8574
8575         u8 lane = bnx2x_get_warpcore_lane(phy, params);
8576         /* This is a global register which controls all lanes */
8577         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8578                         MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8579         val &= ~(0xf << (lane << 2));
8580
8581         switch (edc_mode) {
8582         case EDC_MODE_LINEAR:
8583         case EDC_MODE_LIMITING:
8584                 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8585                 break;
8586         case EDC_MODE_PASSIVE_DAC:
8587         case EDC_MODE_ACTIVE_DAC:
8588                 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8589                 break;
8590         default:
8591                 break;
8592         }
8593
8594         val |= (mode << (lane << 2));
8595         bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8596                          MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8597         /* A must read */
8598         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8599                         MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8600
8601         /* Restart microcode to re-read the new mode */
8602         bnx2x_warpcore_reset_lane(bp, phy, 1);
8603         bnx2x_warpcore_reset_lane(bp, phy, 0);
8604
8605 }
8606
8607 static void bnx2x_set_limiting_mode(struct link_params *params,
8608                                     struct bnx2x_phy *phy,
8609                                     u16 edc_mode)
8610 {
8611         switch (phy->type) {
8612         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8613                 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8614                 break;
8615         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8616         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8617                 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8618                 break;
8619         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8620                 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8621                 break;
8622         }
8623 }
8624
8625 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8626                                       struct link_params *params)
8627 {
8628         struct bnx2x *bp = params->bp;
8629         u16 edc_mode;
8630         int rc = 0;
8631
8632         u32 val = REG_RD(bp, params->shmem_base +
8633                              offsetof(struct shmem_region, dev_info.
8634                                      port_feature_config[params->port].config));
8635         /* Enabled transmitter by default */
8636         bnx2x_sfp_set_transmitter(params, phy, 1);
8637         DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8638                  params->port);
8639         /* Power up module */
8640         bnx2x_power_sfp_module(params, phy, 1);
8641         if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8642                 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8643                 return -EINVAL;
8644         } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8645                 /* Check SFP+ module compatibility */
8646                 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8647                 rc = -EINVAL;
8648                 /* Turn on fault module-detected led */
8649                 bnx2x_set_sfp_module_fault_led(params,
8650                                                MISC_REGISTERS_GPIO_HIGH);
8651
8652                 /* Check if need to power down the SFP+ module */
8653                 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8654                      PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8655                         DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8656                         bnx2x_power_sfp_module(params, phy, 0);
8657                         return rc;
8658                 }
8659         } else {
8660                 /* Turn off fault module-detected led */
8661                 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8662         }
8663
8664         /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8665          * is done automatically
8666          */
8667         bnx2x_set_limiting_mode(params, phy, edc_mode);
8668
8669         /* Disable transmit for this module if the module is not approved, and
8670          * laser needs to be disabled.
8671          */
8672         if ((rc) &&
8673             ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8674              PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8675                 bnx2x_sfp_set_transmitter(params, phy, 0);
8676
8677         return rc;
8678 }
8679
8680 void bnx2x_handle_module_detect_int(struct link_params *params)
8681 {
8682         struct bnx2x *bp = params->bp;
8683         struct bnx2x_phy *phy;
8684         u32 gpio_val;
8685         u8 gpio_num, gpio_port;
8686         if (CHIP_IS_E3(bp)) {
8687                 phy = &params->phy[INT_PHY];
8688                 /* Always enable TX laser,will be disabled in case of fault */
8689                 bnx2x_sfp_set_transmitter(params, phy, 1);
8690         } else {
8691                 phy = &params->phy[EXT_PHY1];
8692         }
8693         if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8694                                       params->port, &gpio_num, &gpio_port) ==
8695             -EINVAL) {
8696                 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8697                 return;
8698         }
8699
8700         /* Set valid module led off */
8701         bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8702
8703         /* Get current gpio val reflecting module plugged in / out*/
8704         gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8705
8706         /* Call the handling function in case module is detected */
8707         if (gpio_val == 0) {
8708                 bnx2x_set_mdio_emac_per_phy(bp, params);
8709                 bnx2x_set_aer_mmd(params, phy);
8710
8711                 bnx2x_power_sfp_module(params, phy, 1);
8712                 bnx2x_set_gpio_int(bp, gpio_num,
8713                                    MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8714                                    gpio_port);
8715                 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8716                         bnx2x_sfp_module_detection(phy, params);
8717                         if (CHIP_IS_E3(bp)) {
8718                                 u16 rx_tx_in_reset;
8719                                 /* In case WC is out of reset, reconfigure the
8720                                  * link speed while taking into account 1G
8721                                  * module limitation.
8722                                  */
8723                                 bnx2x_cl45_read(bp, phy,
8724                                                 MDIO_WC_DEVAD,
8725                                                 MDIO_WC_REG_DIGITAL5_MISC6,
8726                                                 &rx_tx_in_reset);
8727                                 if ((!rx_tx_in_reset) &&
8728                                     (params->link_flags &
8729                                      PHY_INITIALIZED)) {
8730                                         bnx2x_warpcore_reset_lane(bp, phy, 1);
8731                                         bnx2x_warpcore_config_sfi(phy, params);
8732                                         bnx2x_warpcore_reset_lane(bp, phy, 0);
8733                                 }
8734                         }
8735                 } else {
8736                         DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8737                 }
8738         } else {
8739                 bnx2x_set_gpio_int(bp, gpio_num,
8740                                    MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8741                                    gpio_port);
8742                 /* Module was plugged out.
8743                  * Disable transmit for this module
8744                  */
8745                 phy->media_type = ETH_PHY_NOT_PRESENT;
8746         }
8747 }
8748
8749 /******************************************************************/
8750 /*              Used by 8706 and 8727                             */
8751 /******************************************************************/
8752 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8753                                  struct bnx2x_phy *phy,
8754                                  u16 alarm_status_offset,
8755                                  u16 alarm_ctrl_offset)
8756 {
8757         u16 alarm_status, val;
8758         bnx2x_cl45_read(bp, phy,
8759                         MDIO_PMA_DEVAD, alarm_status_offset,
8760                         &alarm_status);
8761         bnx2x_cl45_read(bp, phy,
8762                         MDIO_PMA_DEVAD, alarm_status_offset,
8763                         &alarm_status);
8764         /* Mask or enable the fault event. */
8765         bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8766         if (alarm_status & (1<<0))
8767                 val &= ~(1<<0);
8768         else
8769                 val |= (1<<0);
8770         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8771 }
8772 /******************************************************************/
8773 /*              common BCM8706/BCM8726 PHY SECTION                */
8774 /******************************************************************/
8775 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8776                                       struct link_params *params,
8777                                       struct link_vars *vars)
8778 {
8779         u8 link_up = 0;
8780         u16 val1, val2, rx_sd, pcs_status;
8781         struct bnx2x *bp = params->bp;
8782         DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8783         /* Clear RX Alarm*/
8784         bnx2x_cl45_read(bp, phy,
8785                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8786
8787         bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8788                              MDIO_PMA_LASI_TXCTRL);
8789
8790         /* Clear LASI indication*/
8791         bnx2x_cl45_read(bp, phy,
8792                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8793         bnx2x_cl45_read(bp, phy,
8794                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8795         DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8796
8797         bnx2x_cl45_read(bp, phy,
8798                         MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8799         bnx2x_cl45_read(bp, phy,
8800                         MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8801         bnx2x_cl45_read(bp, phy,
8802                         MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8803         bnx2x_cl45_read(bp, phy,
8804                         MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8805
8806         DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8807                         " link_status 0x%x\n", rx_sd, pcs_status, val2);
8808         /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8809          * are set, or if the autoneg bit 1 is set
8810          */
8811         link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8812         if (link_up) {
8813                 if (val2 & (1<<1))
8814                         vars->line_speed = SPEED_1000;
8815                 else
8816                         vars->line_speed = SPEED_10000;
8817                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8818                 vars->duplex = DUPLEX_FULL;
8819         }
8820
8821         /* Capture 10G link fault. Read twice to clear stale value. */
8822         if (vars->line_speed == SPEED_10000) {
8823                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8824                             MDIO_PMA_LASI_TXSTAT, &val1);
8825                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8826                             MDIO_PMA_LASI_TXSTAT, &val1);
8827                 if (val1 & (1<<0))
8828                         vars->fault_detected = 1;
8829         }
8830
8831         return link_up;
8832 }
8833
8834 /******************************************************************/
8835 /*                      BCM8706 PHY SECTION                       */
8836 /******************************************************************/
8837 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8838                                  struct link_params *params,
8839                                  struct link_vars *vars)
8840 {
8841         u32 tx_en_mode;
8842         u16 cnt, val, tmp1;
8843         struct bnx2x *bp = params->bp;
8844
8845         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8846                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8847         /* HW reset */
8848         bnx2x_ext_phy_hw_reset(bp, params->port);
8849         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8850         bnx2x_wait_reset_complete(bp, phy, params);
8851
8852         /* Wait until fw is loaded */
8853         for (cnt = 0; cnt < 100; cnt++) {
8854                 bnx2x_cl45_read(bp, phy,
8855                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8856                 if (val)
8857                         break;
8858                 usleep_range(10000, 20000);
8859         }
8860         DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8861         if ((params->feature_config_flags &
8862              FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8863                 u8 i;
8864                 u16 reg;
8865                 for (i = 0; i < 4; i++) {
8866                         reg = MDIO_XS_8706_REG_BANK_RX0 +
8867                                 i*(MDIO_XS_8706_REG_BANK_RX1 -
8868                                    MDIO_XS_8706_REG_BANK_RX0);
8869                         bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8870                         /* Clear first 3 bits of the control */
8871                         val &= ~0x7;
8872                         /* Set control bits according to configuration */
8873                         val |= (phy->rx_preemphasis[i] & 0x7);
8874                         DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8875                                    " reg 0x%x <-- val 0x%x\n", reg, val);
8876                         bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8877                 }
8878         }
8879         /* Force speed */
8880         if (phy->req_line_speed == SPEED_10000) {
8881                 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8882
8883                 bnx2x_cl45_write(bp, phy,
8884                                  MDIO_PMA_DEVAD,
8885                                  MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8886                 bnx2x_cl45_write(bp, phy,
8887                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8888                                  0);
8889                 /* Arm LASI for link and Tx fault. */
8890                 bnx2x_cl45_write(bp, phy,
8891                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8892         } else {
8893                 /* Force 1Gbps using autoneg with 1G advertisement */
8894
8895                 /* Allow CL37 through CL73 */
8896                 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8897                 bnx2x_cl45_write(bp, phy,
8898                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8899
8900                 /* Enable Full-Duplex advertisement on CL37 */
8901                 bnx2x_cl45_write(bp, phy,
8902                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8903                 /* Enable CL37 AN */
8904                 bnx2x_cl45_write(bp, phy,
8905                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8906                 /* 1G support */
8907                 bnx2x_cl45_write(bp, phy,
8908                                  MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8909
8910                 /* Enable clause 73 AN */
8911                 bnx2x_cl45_write(bp, phy,
8912                                  MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8913                 bnx2x_cl45_write(bp, phy,
8914                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8915                                  0x0400);
8916                 bnx2x_cl45_write(bp, phy,
8917                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8918                                  0x0004);
8919         }
8920         bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8921
8922         /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8923          * power mode, if TX Laser is disabled
8924          */
8925
8926         tx_en_mode = REG_RD(bp, params->shmem_base +
8927                             offsetof(struct shmem_region,
8928                                 dev_info.port_hw_config[params->port].sfp_ctrl))
8929                         & PORT_HW_CFG_TX_LASER_MASK;
8930
8931         if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8932                 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8933                 bnx2x_cl45_read(bp, phy,
8934                         MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8935                 tmp1 |= 0x1;
8936                 bnx2x_cl45_write(bp, phy,
8937                         MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8938         }
8939
8940         return 0;
8941 }
8942
8943 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8944                                   struct link_params *params,
8945                                   struct link_vars *vars)
8946 {
8947         return bnx2x_8706_8726_read_status(phy, params, vars);
8948 }
8949
8950 /******************************************************************/
8951 /*                      BCM8726 PHY SECTION                       */
8952 /******************************************************************/
8953 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8954                                        struct link_params *params)
8955 {
8956         struct bnx2x *bp = params->bp;
8957         DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8958         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8959 }
8960
8961 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8962                                          struct link_params *params)
8963 {
8964         struct bnx2x *bp = params->bp;
8965         /* Need to wait 100ms after reset */
8966         msleep(100);
8967
8968         /* Micro controller re-boot */
8969         bnx2x_cl45_write(bp, phy,
8970                          MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8971
8972         /* Set soft reset */
8973         bnx2x_cl45_write(bp, phy,
8974                          MDIO_PMA_DEVAD,
8975                          MDIO_PMA_REG_GEN_CTRL,
8976                          MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8977
8978         bnx2x_cl45_write(bp, phy,
8979                          MDIO_PMA_DEVAD,
8980                          MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8981
8982         bnx2x_cl45_write(bp, phy,
8983                          MDIO_PMA_DEVAD,
8984                          MDIO_PMA_REG_GEN_CTRL,
8985                          MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8986
8987         /* Wait for 150ms for microcode load */
8988         msleep(150);
8989
8990         /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8991         bnx2x_cl45_write(bp, phy,
8992                          MDIO_PMA_DEVAD,
8993                          MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8994
8995         msleep(200);
8996         bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8997 }
8998
8999 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9000                                  struct link_params *params,
9001                                  struct link_vars *vars)
9002 {
9003         struct bnx2x *bp = params->bp;
9004         u16 val1;
9005         u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9006         if (link_up) {
9007                 bnx2x_cl45_read(bp, phy,
9008                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9009                                 &val1);
9010                 if (val1 & (1<<15)) {
9011                         DP(NETIF_MSG_LINK, "Tx is disabled\n");
9012                         link_up = 0;
9013                         vars->line_speed = 0;
9014                 }
9015         }
9016         return link_up;
9017 }
9018
9019
9020 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9021                                   struct link_params *params,
9022                                   struct link_vars *vars)
9023 {
9024         struct bnx2x *bp = params->bp;
9025         DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9026
9027         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9028         bnx2x_wait_reset_complete(bp, phy, params);
9029
9030         bnx2x_8726_external_rom_boot(phy, params);
9031
9032         /* Need to call module detected on initialization since the module
9033          * detection triggered by actual module insertion might occur before
9034          * driver is loaded, and when driver is loaded, it reset all
9035          * registers, including the transmitter
9036          */
9037         bnx2x_sfp_module_detection(phy, params);
9038
9039         if (phy->req_line_speed == SPEED_1000) {
9040                 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9041                 bnx2x_cl45_write(bp, phy,
9042                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9043                 bnx2x_cl45_write(bp, phy,
9044                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9045                 bnx2x_cl45_write(bp, phy,
9046                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9047                 bnx2x_cl45_write(bp, phy,
9048                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9049                                  0x400);
9050         } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9051                    (phy->speed_cap_mask &
9052                       PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9053                    ((phy->speed_cap_mask &
9054                       PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9055                     PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9056                 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9057                 /* Set Flow control */
9058                 bnx2x_ext_phy_set_pause(params, phy, vars);
9059                 bnx2x_cl45_write(bp, phy,
9060                                  MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9061                 bnx2x_cl45_write(bp, phy,
9062                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9063                 bnx2x_cl45_write(bp, phy,
9064                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9065                 bnx2x_cl45_write(bp, phy,
9066                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9067                 bnx2x_cl45_write(bp, phy,
9068                                 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9069                 /* Enable RX-ALARM control to receive interrupt for 1G speed
9070                  * change
9071                  */
9072                 bnx2x_cl45_write(bp, phy,
9073                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9074                 bnx2x_cl45_write(bp, phy,
9075                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9076                                  0x400);
9077
9078         } else { /* Default 10G. Set only LASI control */
9079                 bnx2x_cl45_write(bp, phy,
9080                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9081         }
9082
9083         /* Set TX PreEmphasis if needed */
9084         if ((params->feature_config_flags &
9085              FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9086                 DP(NETIF_MSG_LINK,
9087                    "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9088                          phy->tx_preemphasis[0],
9089                          phy->tx_preemphasis[1]);
9090                 bnx2x_cl45_write(bp, phy,
9091                                  MDIO_PMA_DEVAD,
9092                                  MDIO_PMA_REG_8726_TX_CTRL1,
9093                                  phy->tx_preemphasis[0]);
9094
9095                 bnx2x_cl45_write(bp, phy,
9096                                  MDIO_PMA_DEVAD,
9097                                  MDIO_PMA_REG_8726_TX_CTRL2,
9098                                  phy->tx_preemphasis[1]);
9099         }
9100
9101         return 0;
9102
9103 }
9104
9105 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9106                                   struct link_params *params)
9107 {
9108         struct bnx2x *bp = params->bp;
9109         DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9110         /* Set serial boot control for external load */
9111         bnx2x_cl45_write(bp, phy,
9112                          MDIO_PMA_DEVAD,
9113                          MDIO_PMA_REG_GEN_CTRL, 0x0001);
9114 }
9115
9116 /******************************************************************/
9117 /*                      BCM8727 PHY SECTION                       */
9118 /******************************************************************/
9119
9120 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9121                                     struct link_params *params, u8 mode)
9122 {
9123         struct bnx2x *bp = params->bp;
9124         u16 led_mode_bitmask = 0;
9125         u16 gpio_pins_bitmask = 0;
9126         u16 val;
9127         /* Only NOC flavor requires to set the LED specifically */
9128         if (!(phy->flags & FLAGS_NOC))
9129                 return;
9130         switch (mode) {
9131         case LED_MODE_FRONT_PANEL_OFF:
9132         case LED_MODE_OFF:
9133                 led_mode_bitmask = 0;
9134                 gpio_pins_bitmask = 0x03;
9135                 break;
9136         case LED_MODE_ON:
9137                 led_mode_bitmask = 0;
9138                 gpio_pins_bitmask = 0x02;
9139                 break;
9140         case LED_MODE_OPER:
9141                 led_mode_bitmask = 0x60;
9142                 gpio_pins_bitmask = 0x11;
9143                 break;
9144         }
9145         bnx2x_cl45_read(bp, phy,
9146                         MDIO_PMA_DEVAD,
9147                         MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9148                         &val);
9149         val &= 0xff8f;
9150         val |= led_mode_bitmask;
9151         bnx2x_cl45_write(bp, phy,
9152                          MDIO_PMA_DEVAD,
9153                          MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9154                          val);
9155         bnx2x_cl45_read(bp, phy,
9156                         MDIO_PMA_DEVAD,
9157                         MDIO_PMA_REG_8727_GPIO_CTRL,
9158                         &val);
9159         val &= 0xffe0;
9160         val |= gpio_pins_bitmask;
9161         bnx2x_cl45_write(bp, phy,
9162                          MDIO_PMA_DEVAD,
9163                          MDIO_PMA_REG_8727_GPIO_CTRL,
9164                          val);
9165 }
9166 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9167                                 struct link_params *params) {
9168         u32 swap_val, swap_override;
9169         u8 port;
9170         /* The PHY reset is controlled by GPIO 1. Fake the port number
9171          * to cancel the swap done in set_gpio()
9172          */
9173         struct bnx2x *bp = params->bp;
9174         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9175         swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9176         port = (swap_val && swap_override) ^ 1;
9177         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9178                        MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9179 }
9180
9181 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9182                                     struct link_params *params)
9183 {
9184         struct bnx2x *bp = params->bp;
9185         u16 tmp1, val;
9186         /* Set option 1G speed */
9187         if ((phy->req_line_speed == SPEED_1000) ||
9188             (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9189                 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9190                 bnx2x_cl45_write(bp, phy,
9191                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9192                 bnx2x_cl45_write(bp, phy,
9193                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9194                 bnx2x_cl45_read(bp, phy,
9195                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9196                 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9197                 /* Power down the XAUI until link is up in case of dual-media
9198                  * and 1G
9199                  */
9200                 if (DUAL_MEDIA(params)) {
9201                         bnx2x_cl45_read(bp, phy,
9202                                         MDIO_PMA_DEVAD,
9203                                         MDIO_PMA_REG_8727_PCS_GP, &val);
9204                         val |= (3<<10);
9205                         bnx2x_cl45_write(bp, phy,
9206                                          MDIO_PMA_DEVAD,
9207                                          MDIO_PMA_REG_8727_PCS_GP, val);
9208                 }
9209         } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9210                    ((phy->speed_cap_mask &
9211                      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9212                    ((phy->speed_cap_mask &
9213                       PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9214                    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9215
9216                 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9217                 bnx2x_cl45_write(bp, phy,
9218                                  MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9219                 bnx2x_cl45_write(bp, phy,
9220                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9221         } else {
9222                 /* Since the 8727 has only single reset pin, need to set the 10G
9223                  * registers although it is default
9224                  */
9225                 bnx2x_cl45_write(bp, phy,
9226                                  MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9227                                  0x0020);
9228                 bnx2x_cl45_write(bp, phy,
9229                                  MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9230                 bnx2x_cl45_write(bp, phy,
9231                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9232                 bnx2x_cl45_write(bp, phy,
9233                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9234                                  0x0008);
9235         }
9236 }
9237
9238 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9239                                   struct link_params *params,
9240                                   struct link_vars *vars)
9241 {
9242         u32 tx_en_mode;
9243         u16 tmp1, mod_abs, tmp2;
9244         struct bnx2x *bp = params->bp;
9245         /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9246
9247         bnx2x_wait_reset_complete(bp, phy, params);
9248
9249         DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9250
9251         bnx2x_8727_specific_func(phy, params, PHY_INIT);
9252         /* Initially configure MOD_ABS to interrupt when module is
9253          * presence( bit 8)
9254          */
9255         bnx2x_cl45_read(bp, phy,
9256                         MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9257         /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9258          * When the EDC is off it locks onto a reference clock and avoids
9259          * becoming 'lost'
9260          */
9261         mod_abs &= ~(1<<8);
9262         if (!(phy->flags & FLAGS_NOC))
9263                 mod_abs &= ~(1<<9);
9264         bnx2x_cl45_write(bp, phy,
9265                          MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9266
9267         /* Enable/Disable PHY transmitter output */
9268         bnx2x_set_disable_pmd_transmit(params, phy, 0);
9269
9270         bnx2x_8727_power_module(bp, phy, 1);
9271
9272         bnx2x_cl45_read(bp, phy,
9273                         MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9274
9275         bnx2x_cl45_read(bp, phy,
9276                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9277
9278         bnx2x_8727_config_speed(phy, params);
9279
9280
9281         /* Set TX PreEmphasis if needed */
9282         if ((params->feature_config_flags &
9283              FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9284                 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9285                            phy->tx_preemphasis[0],
9286                            phy->tx_preemphasis[1]);
9287                 bnx2x_cl45_write(bp, phy,
9288                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9289                                  phy->tx_preemphasis[0]);
9290
9291                 bnx2x_cl45_write(bp, phy,
9292                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9293                                  phy->tx_preemphasis[1]);
9294         }
9295
9296         /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9297          * power mode, if TX Laser is disabled
9298          */
9299         tx_en_mode = REG_RD(bp, params->shmem_base +
9300                             offsetof(struct shmem_region,
9301                                 dev_info.port_hw_config[params->port].sfp_ctrl))
9302                         & PORT_HW_CFG_TX_LASER_MASK;
9303
9304         if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9305
9306                 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9307                 bnx2x_cl45_read(bp, phy,
9308                         MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9309                 tmp2 |= 0x1000;
9310                 tmp2 &= 0xFFEF;
9311                 bnx2x_cl45_write(bp, phy,
9312                         MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9313                 bnx2x_cl45_read(bp, phy,
9314                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9315                                 &tmp2);
9316                 bnx2x_cl45_write(bp, phy,
9317                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9318                                  (tmp2 & 0x7fff));
9319         }
9320
9321         return 0;
9322 }
9323
9324 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9325                                       struct link_params *params)
9326 {
9327         struct bnx2x *bp = params->bp;
9328         u16 mod_abs, rx_alarm_status;
9329         u32 val = REG_RD(bp, params->shmem_base +
9330                              offsetof(struct shmem_region, dev_info.
9331                                       port_feature_config[params->port].
9332                                       config));
9333         bnx2x_cl45_read(bp, phy,
9334                         MDIO_PMA_DEVAD,
9335                         MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9336         if (mod_abs & (1<<8)) {
9337
9338                 /* Module is absent */
9339                 DP(NETIF_MSG_LINK,
9340                    "MOD_ABS indication show module is absent\n");
9341                 phy->media_type = ETH_PHY_NOT_PRESENT;
9342                 /* 1. Set mod_abs to detect next module
9343                  *    presence event
9344                  * 2. Set EDC off by setting OPTXLOS signal input to low
9345                  *    (bit 9).
9346                  *    When the EDC is off it locks onto a reference clock and
9347                  *    avoids becoming 'lost'.
9348                  */
9349                 mod_abs &= ~(1<<8);
9350                 if (!(phy->flags & FLAGS_NOC))
9351                         mod_abs &= ~(1<<9);
9352                 bnx2x_cl45_write(bp, phy,
9353                                  MDIO_PMA_DEVAD,
9354                                  MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9355
9356                 /* Clear RX alarm since it stays up as long as
9357                  * the mod_abs wasn't changed
9358                  */
9359                 bnx2x_cl45_read(bp, phy,
9360                                 MDIO_PMA_DEVAD,
9361                                 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9362
9363         } else {
9364                 /* Module is present */
9365                 DP(NETIF_MSG_LINK,
9366                    "MOD_ABS indication show module is present\n");
9367                 /* First disable transmitter, and if the module is ok, the
9368                  * module_detection will enable it
9369                  * 1. Set mod_abs to detect next module absent event ( bit 8)
9370                  * 2. Restore the default polarity of the OPRXLOS signal and
9371                  * this signal will then correctly indicate the presence or
9372                  * absence of the Rx signal. (bit 9)
9373                  */
9374                 mod_abs |= (1<<8);
9375                 if (!(phy->flags & FLAGS_NOC))
9376                         mod_abs |= (1<<9);
9377                 bnx2x_cl45_write(bp, phy,
9378                                  MDIO_PMA_DEVAD,
9379                                  MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9380
9381                 /* Clear RX alarm since it stays up as long as the mod_abs
9382                  * wasn't changed. This is need to be done before calling the
9383                  * module detection, otherwise it will clear* the link update
9384                  * alarm
9385                  */
9386                 bnx2x_cl45_read(bp, phy,
9387                                 MDIO_PMA_DEVAD,
9388                                 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9389
9390
9391                 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9392                     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9393                         bnx2x_sfp_set_transmitter(params, phy, 0);
9394
9395                 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9396                         bnx2x_sfp_module_detection(phy, params);
9397                 else
9398                         DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9399
9400                 /* Reconfigure link speed based on module type limitations */
9401                 bnx2x_8727_config_speed(phy, params);
9402         }
9403
9404         DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9405                    rx_alarm_status);
9406         /* No need to check link status in case of module plugged in/out */
9407 }
9408
9409 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9410                                  struct link_params *params,
9411                                  struct link_vars *vars)
9412
9413 {
9414         struct bnx2x *bp = params->bp;
9415         u8 link_up = 0, oc_port = params->port;
9416         u16 link_status = 0;
9417         u16 rx_alarm_status, lasi_ctrl, val1;
9418
9419         /* If PHY is not initialized, do not check link status */
9420         bnx2x_cl45_read(bp, phy,
9421                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9422                         &lasi_ctrl);
9423         if (!lasi_ctrl)
9424                 return 0;
9425
9426         /* Check the LASI on Rx */
9427         bnx2x_cl45_read(bp, phy,
9428                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9429                         &rx_alarm_status);
9430         vars->line_speed = 0;
9431         DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS  0x%x\n", rx_alarm_status);
9432
9433         bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9434                              MDIO_PMA_LASI_TXCTRL);
9435
9436         bnx2x_cl45_read(bp, phy,
9437                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9438
9439         DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9440
9441         /* Clear MSG-OUT */
9442         bnx2x_cl45_read(bp, phy,
9443                         MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9444
9445         /* If a module is present and there is need to check
9446          * for over current
9447          */
9448         if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9449                 /* Check over-current using 8727 GPIO0 input*/
9450                 bnx2x_cl45_read(bp, phy,
9451                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9452                                 &val1);
9453
9454                 if ((val1 & (1<<8)) == 0) {
9455                         if (!CHIP_IS_E1x(bp))
9456                                 oc_port = BP_PATH(bp) + (params->port << 1);
9457                         DP(NETIF_MSG_LINK,
9458                            "8727 Power fault has been detected on port %d\n",
9459                            oc_port);
9460                         netdev_err(bp->dev, "Error: Power fault on Port %d has "
9461                                             "been detected and the power to "
9462                                             "that SFP+ module has been removed "
9463                                             "to prevent failure of the card. "
9464                                             "Please remove the SFP+ module and "
9465                                             "restart the system to clear this "
9466                                             "error.\n",
9467                          oc_port);
9468                         /* Disable all RX_ALARMs except for mod_abs */
9469                         bnx2x_cl45_write(bp, phy,
9470                                          MDIO_PMA_DEVAD,
9471                                          MDIO_PMA_LASI_RXCTRL, (1<<5));
9472
9473                         bnx2x_cl45_read(bp, phy,
9474                                         MDIO_PMA_DEVAD,
9475                                         MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9476                         /* Wait for module_absent_event */
9477                         val1 |= (1<<8);
9478                         bnx2x_cl45_write(bp, phy,
9479                                          MDIO_PMA_DEVAD,
9480                                          MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9481                         /* Clear RX alarm */
9482                         bnx2x_cl45_read(bp, phy,
9483                                 MDIO_PMA_DEVAD,
9484                                 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9485                         bnx2x_8727_power_module(params->bp, phy, 0);
9486                         return 0;
9487                 }
9488         } /* Over current check */
9489
9490         /* When module absent bit is set, check module */
9491         if (rx_alarm_status & (1<<5)) {
9492                 bnx2x_8727_handle_mod_abs(phy, params);
9493                 /* Enable all mod_abs and link detection bits */
9494                 bnx2x_cl45_write(bp, phy,
9495                                  MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9496                                  ((1<<5) | (1<<2)));
9497         }
9498
9499         if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9500                 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9501                 bnx2x_sfp_set_transmitter(params, phy, 1);
9502         } else {
9503                 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9504                 return 0;
9505         }
9506
9507         bnx2x_cl45_read(bp, phy,
9508                         MDIO_PMA_DEVAD,
9509                         MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9510
9511         /* Bits 0..2 --> speed detected,
9512          * Bits 13..15--> link is down
9513          */
9514         if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9515                 link_up = 1;
9516                 vars->line_speed = SPEED_10000;
9517                 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9518                            params->port);
9519         } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9520                 link_up = 1;
9521                 vars->line_speed = SPEED_1000;
9522                 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9523                            params->port);
9524         } else {
9525                 link_up = 0;
9526                 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9527                            params->port);
9528         }
9529
9530         /* Capture 10G link fault. */
9531         if (vars->line_speed == SPEED_10000) {
9532                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9533                             MDIO_PMA_LASI_TXSTAT, &val1);
9534
9535                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9536                             MDIO_PMA_LASI_TXSTAT, &val1);
9537
9538                 if (val1 & (1<<0)) {
9539                         vars->fault_detected = 1;
9540                 }
9541         }
9542
9543         if (link_up) {
9544                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9545                 vars->duplex = DUPLEX_FULL;
9546                 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9547         }
9548
9549         if ((DUAL_MEDIA(params)) &&
9550             (phy->req_line_speed == SPEED_1000)) {
9551                 bnx2x_cl45_read(bp, phy,
9552                                 MDIO_PMA_DEVAD,
9553                                 MDIO_PMA_REG_8727_PCS_GP, &val1);
9554                 /* In case of dual-media board and 1G, power up the XAUI side,
9555                  * otherwise power it down. For 10G it is done automatically
9556                  */
9557                 if (link_up)
9558                         val1 &= ~(3<<10);
9559                 else
9560                         val1 |= (3<<10);
9561                 bnx2x_cl45_write(bp, phy,
9562                                  MDIO_PMA_DEVAD,
9563                                  MDIO_PMA_REG_8727_PCS_GP, val1);
9564         }
9565         return link_up;
9566 }
9567
9568 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9569                                   struct link_params *params)
9570 {
9571         struct bnx2x *bp = params->bp;
9572
9573         /* Enable/Disable PHY transmitter output */
9574         bnx2x_set_disable_pmd_transmit(params, phy, 1);
9575
9576         /* Disable Transmitter */
9577         bnx2x_sfp_set_transmitter(params, phy, 0);
9578         /* Clear LASI */
9579         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9580
9581 }
9582
9583 /******************************************************************/
9584 /*              BCM8481/BCM84823/BCM84833 PHY SECTION             */
9585 /******************************************************************/
9586 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9587                                             struct bnx2x *bp,
9588                                             u8 port)
9589 {
9590         u16 val, fw_ver2, cnt, i;
9591         static struct bnx2x_reg_set reg_set[] = {
9592                 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9593                 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9594                 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9595                 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9596                 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9597         };
9598         u16 fw_ver1;
9599
9600         if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9601             (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9602                 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9603                 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9604                                 phy->ver_addr);
9605         } else {
9606                 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9607                 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9608                 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9609                         bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9610                                          reg_set[i].reg, reg_set[i].val);
9611
9612                 for (cnt = 0; cnt < 100; cnt++) {
9613                         bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9614                         if (val & 1)
9615                                 break;
9616                         udelay(5);
9617                 }
9618                 if (cnt == 100) {
9619                         DP(NETIF_MSG_LINK, "Unable to read 848xx "
9620                                         "phy fw version(1)\n");
9621                         bnx2x_save_spirom_version(bp, port, 0,
9622                                                   phy->ver_addr);
9623                         return;
9624                 }
9625
9626
9627                 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9628                 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9629                 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9630                 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9631                 for (cnt = 0; cnt < 100; cnt++) {
9632                         bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9633                         if (val & 1)
9634                                 break;
9635                         udelay(5);
9636                 }
9637                 if (cnt == 100) {
9638                         DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9639                                         "version(2)\n");
9640                         bnx2x_save_spirom_version(bp, port, 0,
9641                                                   phy->ver_addr);
9642                         return;
9643                 }
9644
9645                 /* lower 16 bits of the register SPI_FW_STATUS */
9646                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9647                 /* upper 16 bits of register SPI_FW_STATUS */
9648                 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9649
9650                 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9651                                           phy->ver_addr);
9652         }
9653
9654 }
9655 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9656                                 struct bnx2x_phy *phy)
9657 {
9658         u16 val, offset, i;
9659         static struct bnx2x_reg_set reg_set[] = {
9660                 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9661                 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9662                 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9663                 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9664                 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9665                         MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9666                 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9667         };
9668         /* PHYC_CTL_LED_CTL */
9669         bnx2x_cl45_read(bp, phy,
9670                         MDIO_PMA_DEVAD,
9671                         MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9672         val &= 0xFE00;
9673         val |= 0x0092;
9674
9675         bnx2x_cl45_write(bp, phy,
9676                          MDIO_PMA_DEVAD,
9677                          MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9678
9679         for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9680                 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9681                                  reg_set[i].val);
9682
9683         if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9684             (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9685                 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9686         else
9687                 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9688
9689         /* stretch_en for LED3*/
9690         bnx2x_cl45_read_or_write(bp, phy,
9691                                  MDIO_PMA_DEVAD, offset,
9692                                  MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9693 }
9694
9695 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9696                                       struct link_params *params,
9697                                       u32 action)
9698 {
9699         struct bnx2x *bp = params->bp;
9700         switch (action) {
9701         case PHY_INIT:
9702                 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9703                     (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9704                         /* Save spirom version */
9705                         bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9706                 }
9707                 /* This phy uses the NIG latch mechanism since link indication
9708                  * arrives through its LED4 and not via its LASI signal, so we
9709                  * get steady signal instead of clear on read
9710                  */
9711                 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9712                               1 << NIG_LATCH_BC_ENABLE_MI_INT);
9713
9714                 bnx2x_848xx_set_led(bp, phy);
9715                 break;
9716         }
9717 }
9718
9719 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9720                                        struct link_params *params,
9721                                        struct link_vars *vars)
9722 {
9723         struct bnx2x *bp = params->bp;
9724         u16 autoneg_val, an_1000_val, an_10_100_val;
9725
9726         bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9727         bnx2x_cl45_write(bp, phy,
9728                          MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9729
9730         /* set 1000 speed advertisement */
9731         bnx2x_cl45_read(bp, phy,
9732                         MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9733                         &an_1000_val);
9734
9735         bnx2x_ext_phy_set_pause(params, phy, vars);
9736         bnx2x_cl45_read(bp, phy,
9737                         MDIO_AN_DEVAD,
9738                         MDIO_AN_REG_8481_LEGACY_AN_ADV,
9739                         &an_10_100_val);
9740         bnx2x_cl45_read(bp, phy,
9741                         MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9742                         &autoneg_val);
9743         /* Disable forced speed */
9744         autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9745         an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9746
9747         if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9748              (phy->speed_cap_mask &
9749              PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9750             (phy->req_line_speed == SPEED_1000)) {
9751                 an_1000_val |= (1<<8);
9752                 autoneg_val |= (1<<9 | 1<<12);
9753                 if (phy->req_duplex == DUPLEX_FULL)
9754                         an_1000_val |= (1<<9);
9755                 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9756         } else
9757                 an_1000_val &= ~((1<<8) | (1<<9));
9758
9759         bnx2x_cl45_write(bp, phy,
9760                          MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9761                          an_1000_val);
9762
9763         /* Set 10/100 speed advertisement */
9764         if (phy->req_line_speed == SPEED_AUTO_NEG) {
9765                 if (phy->speed_cap_mask &
9766                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9767                         /* Enable autoneg and restart autoneg for legacy speeds
9768                          */
9769                         autoneg_val |= (1<<9 | 1<<12);
9770                         an_10_100_val |= (1<<8);
9771                         DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9772                 }
9773
9774                 if (phy->speed_cap_mask &
9775                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9776                         /* Enable autoneg and restart autoneg for legacy speeds
9777                          */
9778                         autoneg_val |= (1<<9 | 1<<12);
9779                         an_10_100_val |= (1<<7);
9780                         DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9781                 }
9782
9783                 if ((phy->speed_cap_mask &
9784                      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9785                     (phy->supported & SUPPORTED_10baseT_Full)) {
9786                         an_10_100_val |= (1<<6);
9787                         autoneg_val |= (1<<9 | 1<<12);
9788                         DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9789                 }
9790
9791                 if ((phy->speed_cap_mask &
9792                      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9793                     (phy->supported & SUPPORTED_10baseT_Half)) {
9794                         an_10_100_val |= (1<<5);
9795                         autoneg_val |= (1<<9 | 1<<12);
9796                         DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9797                 }
9798         }
9799
9800         /* Only 10/100 are allowed to work in FORCE mode */
9801         if ((phy->req_line_speed == SPEED_100) &&
9802             (phy->supported &
9803              (SUPPORTED_100baseT_Half |
9804               SUPPORTED_100baseT_Full))) {
9805                 autoneg_val |= (1<<13);
9806                 /* Enabled AUTO-MDIX when autoneg is disabled */
9807                 bnx2x_cl45_write(bp, phy,
9808                                  MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9809                                  (1<<15 | 1<<9 | 7<<0));
9810                 /* The PHY needs this set even for forced link. */
9811                 an_10_100_val |= (1<<8) | (1<<7);
9812                 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9813         }
9814         if ((phy->req_line_speed == SPEED_10) &&
9815             (phy->supported &
9816              (SUPPORTED_10baseT_Half |
9817               SUPPORTED_10baseT_Full))) {
9818                 /* Enabled AUTO-MDIX when autoneg is disabled */
9819                 bnx2x_cl45_write(bp, phy,
9820                                  MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9821                                  (1<<15 | 1<<9 | 7<<0));
9822                 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9823         }
9824
9825         bnx2x_cl45_write(bp, phy,
9826                          MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9827                          an_10_100_val);
9828
9829         if (phy->req_duplex == DUPLEX_FULL)
9830                 autoneg_val |= (1<<8);
9831
9832         /* Always write this if this is not 84833/4.
9833          * For 84833/4, write it only when it's a forced speed.
9834          */
9835         if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9836              (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9837             ((autoneg_val & (1<<12)) == 0))
9838                 bnx2x_cl45_write(bp, phy,
9839                          MDIO_AN_DEVAD,
9840                          MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9841
9842         if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9843             (phy->speed_cap_mask &
9844              PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9845                 (phy->req_line_speed == SPEED_10000)) {
9846                         DP(NETIF_MSG_LINK, "Advertising 10G\n");
9847                         /* Restart autoneg for 10G*/
9848
9849                         bnx2x_cl45_read_or_write(
9850                                 bp, phy,
9851                                 MDIO_AN_DEVAD,
9852                                 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9853                                 0x1000);
9854                         bnx2x_cl45_write(bp, phy,
9855                                          MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9856                                          0x3200);
9857         } else
9858                 bnx2x_cl45_write(bp, phy,
9859                                  MDIO_AN_DEVAD,
9860                                  MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9861                                  1);
9862
9863         return 0;
9864 }
9865
9866 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9867                                   struct link_params *params,
9868                                   struct link_vars *vars)
9869 {
9870         struct bnx2x *bp = params->bp;
9871         /* Restore normal power mode*/
9872         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9873                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9874
9875         /* HW reset */
9876         bnx2x_ext_phy_hw_reset(bp, params->port);
9877         bnx2x_wait_reset_complete(bp, phy, params);
9878
9879         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9880         return bnx2x_848xx_cmn_config_init(phy, params, vars);
9881 }
9882
9883 #define PHY84833_CMDHDLR_WAIT 300
9884 #define PHY84833_CMDHDLR_MAX_ARGS 5
9885 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9886                                 struct link_params *params, u16 fw_cmd,
9887                                 u16 cmd_args[], int argc)
9888 {
9889         int idx;
9890         u16 val;
9891         struct bnx2x *bp = params->bp;
9892         /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9893         bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9894                         MDIO_84833_CMD_HDLR_STATUS,
9895                         PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9896         for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9897                 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9898                                 MDIO_84833_CMD_HDLR_STATUS, &val);
9899                 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9900                         break;
9901                 usleep_range(1000, 2000);
9902         }
9903         if (idx >= PHY84833_CMDHDLR_WAIT) {
9904                 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9905                 return -EINVAL;
9906         }
9907
9908         /* Prepare argument(s) and issue command */
9909         for (idx = 0; idx < argc; idx++) {
9910                 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9911                                 MDIO_84833_CMD_HDLR_DATA1 + idx,
9912                                 cmd_args[idx]);
9913         }
9914         bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9915                         MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9916         for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9917                 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9918                                 MDIO_84833_CMD_HDLR_STATUS, &val);
9919                 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9920                         (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9921                         break;
9922                 usleep_range(1000, 2000);
9923         }
9924         if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9925                 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9926                 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9927                 return -EINVAL;
9928         }
9929         /* Gather returning data */
9930         for (idx = 0; idx < argc; idx++) {
9931                 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9932                                 MDIO_84833_CMD_HDLR_DATA1 + idx,
9933                                 &cmd_args[idx]);
9934         }
9935         bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9936                         MDIO_84833_CMD_HDLR_STATUS,
9937                         PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9938         return 0;
9939 }
9940
9941 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9942                                    struct link_params *params,
9943                                    struct link_vars *vars)
9944 {
9945         u32 pair_swap;
9946         u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9947         int status;
9948         struct bnx2x *bp = params->bp;
9949
9950         /* Check for configuration. */
9951         pair_swap = REG_RD(bp, params->shmem_base +
9952                            offsetof(struct shmem_region,
9953                         dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9954                 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9955
9956         if (pair_swap == 0)
9957                 return 0;
9958
9959         /* Only the second argument is used for this command */
9960         data[1] = (u16)pair_swap;
9961
9962         status = bnx2x_84833_cmd_hdlr(phy, params,
9963                 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9964         if (status == 0)
9965                 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9966
9967         return status;
9968 }
9969
9970 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9971                                       u32 shmem_base_path[],
9972                                       u32 chip_id)
9973 {
9974         u32 reset_pin[2];
9975         u32 idx;
9976         u8 reset_gpios;
9977         if (CHIP_IS_E3(bp)) {
9978                 /* Assume that these will be GPIOs, not EPIOs. */
9979                 for (idx = 0; idx < 2; idx++) {
9980                         /* Map config param to register bit. */
9981                         reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9982                                 offsetof(struct shmem_region,
9983                                 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9984                         reset_pin[idx] = (reset_pin[idx] &
9985                                 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9986                                 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9987                         reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9988                         reset_pin[idx] = (1 << reset_pin[idx]);
9989                 }
9990                 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9991         } else {
9992                 /* E2, look from diff place of shmem. */
9993                 for (idx = 0; idx < 2; idx++) {
9994                         reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9995                                 offsetof(struct shmem_region,
9996                                 dev_info.port_hw_config[0].default_cfg));
9997                         reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9998                         reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9999                         reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10000                         reset_pin[idx] = (1 << reset_pin[idx]);
10001                 }
10002                 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10003         }
10004
10005         return reset_gpios;
10006 }
10007
10008 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10009                                 struct link_params *params)
10010 {
10011         struct bnx2x *bp = params->bp;
10012         u8 reset_gpios;
10013         u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10014                                 offsetof(struct shmem2_region,
10015                                 other_shmem_base_addr));
10016
10017         u32 shmem_base_path[2];
10018
10019         /* Work around for 84833 LED failure inside RESET status */
10020         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10021                 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10022                 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10023         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10024                 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10025                 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10026
10027         shmem_base_path[0] = params->shmem_base;
10028         shmem_base_path[1] = other_shmem_base_addr;
10029
10030         reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10031                                                   params->chip_id);
10032
10033         bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10034         udelay(10);
10035         DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10036                 reset_gpios);
10037
10038         return 0;
10039 }
10040
10041 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10042                                    struct link_params *params,
10043                                    struct link_vars *vars)
10044 {
10045         int rc;
10046         struct bnx2x *bp = params->bp;
10047         u16 cmd_args = 0;
10048
10049         DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10050
10051         /* Prevent Phy from working in EEE and advertising it */
10052         rc = bnx2x_84833_cmd_hdlr(phy, params,
10053                 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10054         if (rc) {
10055                 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10056                 return rc;
10057         }
10058
10059         return bnx2x_eee_disable(phy, params, vars);
10060 }
10061
10062 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10063                                    struct link_params *params,
10064                                    struct link_vars *vars)
10065 {
10066         int rc;
10067         struct bnx2x *bp = params->bp;
10068         u16 cmd_args = 1;
10069
10070         rc = bnx2x_84833_cmd_hdlr(phy, params,
10071                 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10072         if (rc) {
10073                 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10074                 return rc;
10075         }
10076
10077         return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10078 }
10079
10080 #define PHY84833_CONSTANT_LATENCY 1193
10081 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10082                                    struct link_params *params,
10083                                    struct link_vars *vars)
10084 {
10085         struct bnx2x *bp = params->bp;
10086         u8 port, initialize = 1;
10087         u16 val;
10088         u32 actual_phy_selection;
10089         u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10090         int rc = 0;
10091
10092         usleep_range(1000, 2000);
10093
10094         if (!(CHIP_IS_E1x(bp)))
10095                 port = BP_PATH(bp);
10096         else
10097                 port = params->port;
10098
10099         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10100                 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10101                                MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10102                                port);
10103         } else {
10104                 /* MDIO reset */
10105                 bnx2x_cl45_write(bp, phy,
10106                                 MDIO_PMA_DEVAD,
10107                                 MDIO_PMA_REG_CTRL, 0x8000);
10108         }
10109
10110         bnx2x_wait_reset_complete(bp, phy, params);
10111
10112         /* Wait for GPHY to come out of reset */
10113         msleep(50);
10114         if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10115             (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10116                 /* BCM84823 requires that XGXS links up first @ 10G for normal
10117                  * behavior.
10118                  */
10119                 u16 temp;
10120                 temp = vars->line_speed;
10121                 vars->line_speed = SPEED_10000;
10122                 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
10123                 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
10124                 vars->line_speed = temp;
10125         }
10126
10127         bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10128                         MDIO_CTL_REG_84823_MEDIA, &val);
10129         val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10130                  MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10131                  MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10132                  MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10133                  MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10134
10135         if (CHIP_IS_E3(bp)) {
10136                 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10137                          MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10138         } else {
10139                 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10140                         MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10141         }
10142
10143         actual_phy_selection = bnx2x_phy_selection(params);
10144
10145         switch (actual_phy_selection) {
10146         case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10147                 /* Do nothing. Essentially this is like the priority copper */
10148                 break;
10149         case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10150                 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10151                 break;
10152         case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10153                 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10154                 break;
10155         case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10156                 /* Do nothing here. The first PHY won't be initialized at all */
10157                 break;
10158         case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10159                 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10160                 initialize = 0;
10161                 break;
10162         }
10163         if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10164                 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10165
10166         bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10167                          MDIO_CTL_REG_84823_MEDIA, val);
10168         DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10169                    params->multi_phy_config, val);
10170
10171         if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10172             (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10173                 bnx2x_84833_pair_swap_cfg(phy, params, vars);
10174
10175                 /* Keep AutogrEEEn disabled. */
10176                 cmd_args[0] = 0x0;
10177                 cmd_args[1] = 0x0;
10178                 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10179                 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10180                 rc = bnx2x_84833_cmd_hdlr(phy, params,
10181                         PHY84833_CMD_SET_EEE_MODE, cmd_args,
10182                         PHY84833_CMDHDLR_MAX_ARGS);
10183                 if (rc)
10184                         DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10185         }
10186         if (initialize)
10187                 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10188         else
10189                 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10190         /* 84833 PHY has a better feature and doesn't need to support this. */
10191         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10192                 u32 cms_enable = REG_RD(bp, params->shmem_base +
10193                         offsetof(struct shmem_region,
10194                         dev_info.port_hw_config[params->port].default_cfg)) &
10195                         PORT_HW_CFG_ENABLE_CMS_MASK;
10196
10197                 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10198                                 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10199                 if (cms_enable)
10200                         val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10201                 else
10202                         val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10203                 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10204                                  MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10205         }
10206
10207         bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10208                         MDIO_84833_TOP_CFG_FW_REV, &val);
10209
10210         /* Configure EEE support */
10211         if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10212             (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10213             bnx2x_eee_has_cap(params)) {
10214                 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10215                 if (rc) {
10216                         DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10217                         bnx2x_8483x_disable_eee(phy, params, vars);
10218                         return rc;
10219                 }
10220
10221                 if ((phy->req_duplex == DUPLEX_FULL) &&
10222                     (params->eee_mode & EEE_MODE_ADV_LPI) &&
10223                     (bnx2x_eee_calc_timer(params) ||
10224                      !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10225                         rc = bnx2x_8483x_enable_eee(phy, params, vars);
10226                 else
10227                         rc = bnx2x_8483x_disable_eee(phy, params, vars);
10228                 if (rc) {
10229                         DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10230                         return rc;
10231                 }
10232         } else {
10233                 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10234         }
10235
10236         if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10237             (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10238                 /* Bring PHY out of super isolate mode as the final step. */
10239                 bnx2x_cl45_read_and_write(bp, phy,
10240                                           MDIO_CTL_DEVAD,
10241                                           MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10242                                           (u16)~MDIO_84833_SUPER_ISOLATE);
10243         }
10244         return rc;
10245 }
10246
10247 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10248                                   struct link_params *params,
10249                                   struct link_vars *vars)
10250 {
10251         struct bnx2x *bp = params->bp;
10252         u16 val, val1, val2;
10253         u8 link_up = 0;
10254
10255
10256         /* Check 10G-BaseT link status */
10257         /* Check PMD signal ok */
10258         bnx2x_cl45_read(bp, phy,
10259                         MDIO_AN_DEVAD, 0xFFFA, &val1);
10260         bnx2x_cl45_read(bp, phy,
10261                         MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10262                         &val2);
10263         DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10264
10265         /* Check link 10G */
10266         if (val2 & (1<<11)) {
10267                 vars->line_speed = SPEED_10000;
10268                 vars->duplex = DUPLEX_FULL;
10269                 link_up = 1;
10270                 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10271         } else { /* Check Legacy speed link */
10272                 u16 legacy_status, legacy_speed;
10273
10274                 /* Enable expansion register 0x42 (Operation mode status) */
10275                 bnx2x_cl45_write(bp, phy,
10276                                  MDIO_AN_DEVAD,
10277                                  MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10278
10279                 /* Get legacy speed operation status */
10280                 bnx2x_cl45_read(bp, phy,
10281                                 MDIO_AN_DEVAD,
10282                                 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10283                                 &legacy_status);
10284
10285                 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10286                    legacy_status);
10287                 link_up = ((legacy_status & (1<<11)) == (1<<11));
10288                 legacy_speed = (legacy_status & (3<<9));
10289                 if (legacy_speed == (0<<9))
10290                         vars->line_speed = SPEED_10;
10291                 else if (legacy_speed == (1<<9))
10292                         vars->line_speed = SPEED_100;
10293                 else if (legacy_speed == (2<<9))
10294                         vars->line_speed = SPEED_1000;
10295                 else { /* Should not happen: Treat as link down */
10296                         vars->line_speed = 0;
10297                         link_up = 0;
10298                 }
10299
10300                 if (link_up) {
10301                         if (legacy_status & (1<<8))
10302                                 vars->duplex = DUPLEX_FULL;
10303                         else
10304                                 vars->duplex = DUPLEX_HALF;
10305
10306                         DP(NETIF_MSG_LINK,
10307                            "Link is up in %dMbps, is_duplex_full= %d\n",
10308                            vars->line_speed,
10309                            (vars->duplex == DUPLEX_FULL));
10310                         /* Check legacy speed AN resolution */
10311                         bnx2x_cl45_read(bp, phy,
10312                                         MDIO_AN_DEVAD,
10313                                         MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10314                                         &val);
10315                         if (val & (1<<5))
10316                                 vars->link_status |=
10317                                         LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10318                         bnx2x_cl45_read(bp, phy,
10319                                         MDIO_AN_DEVAD,
10320                                         MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10321                                         &val);
10322                         if ((val & (1<<0)) == 0)
10323                                 vars->link_status |=
10324                                         LINK_STATUS_PARALLEL_DETECTION_USED;
10325                 }
10326         }
10327         if (link_up) {
10328                 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10329                            vars->line_speed);
10330                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10331
10332                 /* Read LP advertised speeds */
10333                 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10334                                 MDIO_AN_REG_CL37_FC_LP, &val);
10335                 if (val & (1<<5))
10336                         vars->link_status |=
10337                                 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10338                 if (val & (1<<6))
10339                         vars->link_status |=
10340                                 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10341                 if (val & (1<<7))
10342                         vars->link_status |=
10343                                 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10344                 if (val & (1<<8))
10345                         vars->link_status |=
10346                                 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10347                 if (val & (1<<9))
10348                         vars->link_status |=
10349                                 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10350
10351                 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10352                                 MDIO_AN_REG_1000T_STATUS, &val);
10353
10354                 if (val & (1<<10))
10355                         vars->link_status |=
10356                                 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10357                 if (val & (1<<11))
10358                         vars->link_status |=
10359                                 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10360
10361                 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10362                                 MDIO_AN_REG_MASTER_STATUS, &val);
10363
10364                 if (val & (1<<11))
10365                         vars->link_status |=
10366                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10367
10368                 /* Determine if EEE was negotiated */
10369                 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10370                     (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10371                         bnx2x_eee_an_resolve(phy, params, vars);
10372         }
10373
10374         return link_up;
10375 }
10376
10377 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10378 {
10379         int status = 0;
10380         u32 spirom_ver;
10381         spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10382         status = bnx2x_format_ver(spirom_ver, str, len);
10383         return status;
10384 }
10385
10386 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10387                                 struct link_params *params)
10388 {
10389         bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10390                        MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10391         bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10392                        MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10393 }
10394
10395 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10396                                         struct link_params *params)
10397 {
10398         bnx2x_cl45_write(params->bp, phy,
10399                          MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10400         bnx2x_cl45_write(params->bp, phy,
10401                          MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10402 }
10403
10404 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10405                                    struct link_params *params)
10406 {
10407         struct bnx2x *bp = params->bp;
10408         u8 port;
10409         u16 val16;
10410
10411         if (!(CHIP_IS_E1x(bp)))
10412                 port = BP_PATH(bp);
10413         else
10414                 port = params->port;
10415
10416         if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10417                 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10418                                MISC_REGISTERS_GPIO_OUTPUT_LOW,
10419                                port);
10420         } else {
10421                 bnx2x_cl45_read(bp, phy,
10422                                 MDIO_CTL_DEVAD,
10423                                 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10424                 val16 |= MDIO_84833_SUPER_ISOLATE;
10425                 bnx2x_cl45_write(bp, phy,
10426                                  MDIO_CTL_DEVAD,
10427                                  MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10428         }
10429 }
10430
10431 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10432                                      struct link_params *params, u8 mode)
10433 {
10434         struct bnx2x *bp = params->bp;
10435         u16 val;
10436         u8 port;
10437
10438         if (!(CHIP_IS_E1x(bp)))
10439                 port = BP_PATH(bp);
10440         else
10441                 port = params->port;
10442
10443         switch (mode) {
10444         case LED_MODE_OFF:
10445
10446                 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10447
10448                 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10449                     SHARED_HW_CFG_LED_EXTPHY1) {
10450
10451                         /* Set LED masks */
10452                         bnx2x_cl45_write(bp, phy,
10453                                         MDIO_PMA_DEVAD,
10454                                         MDIO_PMA_REG_8481_LED1_MASK,
10455                                         0x0);
10456
10457                         bnx2x_cl45_write(bp, phy,
10458                                         MDIO_PMA_DEVAD,
10459                                         MDIO_PMA_REG_8481_LED2_MASK,
10460                                         0x0);
10461
10462                         bnx2x_cl45_write(bp, phy,
10463                                         MDIO_PMA_DEVAD,
10464                                         MDIO_PMA_REG_8481_LED3_MASK,
10465                                         0x0);
10466
10467                         bnx2x_cl45_write(bp, phy,
10468                                         MDIO_PMA_DEVAD,
10469                                         MDIO_PMA_REG_8481_LED5_MASK,
10470                                         0x0);
10471
10472                 } else {
10473                         bnx2x_cl45_write(bp, phy,
10474                                          MDIO_PMA_DEVAD,
10475                                          MDIO_PMA_REG_8481_LED1_MASK,
10476                                          0x0);
10477                 }
10478                 break;
10479         case LED_MODE_FRONT_PANEL_OFF:
10480
10481                 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10482                    port);
10483
10484                 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10485                     SHARED_HW_CFG_LED_EXTPHY1) {
10486
10487                         /* Set LED masks */
10488                         bnx2x_cl45_write(bp, phy,
10489                                          MDIO_PMA_DEVAD,
10490                                          MDIO_PMA_REG_8481_LED1_MASK,
10491                                          0x0);
10492
10493                         bnx2x_cl45_write(bp, phy,
10494                                          MDIO_PMA_DEVAD,
10495                                          MDIO_PMA_REG_8481_LED2_MASK,
10496                                          0x0);
10497
10498                         bnx2x_cl45_write(bp, phy,
10499                                          MDIO_PMA_DEVAD,
10500                                          MDIO_PMA_REG_8481_LED3_MASK,
10501                                          0x0);
10502
10503                         bnx2x_cl45_write(bp, phy,
10504                                          MDIO_PMA_DEVAD,
10505                                          MDIO_PMA_REG_8481_LED5_MASK,
10506                                          0x20);
10507
10508                 } else {
10509                         bnx2x_cl45_write(bp, phy,
10510                                          MDIO_PMA_DEVAD,
10511                                          MDIO_PMA_REG_8481_LED1_MASK,
10512                                          0x0);
10513                         if (phy->type ==
10514                             PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10515                                 /* Disable MI_INT interrupt before setting LED4
10516                                  * source to constant off.
10517                                  */
10518                                 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10519                                            params->port*4) &
10520                                     NIG_MASK_MI_INT) {
10521                                         params->link_flags |=
10522                                         LINK_FLAGS_INT_DISABLED;
10523
10524                                         bnx2x_bits_dis(
10525                                                 bp,
10526                                                 NIG_REG_MASK_INTERRUPT_PORT0 +
10527                                                 params->port*4,
10528                                                 NIG_MASK_MI_INT);
10529                                 }
10530                                 bnx2x_cl45_write(bp, phy,
10531                                                  MDIO_PMA_DEVAD,
10532                                                  MDIO_PMA_REG_8481_SIGNAL_MASK,
10533                                                  0x0);
10534                         }
10535                 }
10536                 break;
10537         case LED_MODE_ON:
10538
10539                 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10540
10541                 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10542                     SHARED_HW_CFG_LED_EXTPHY1) {
10543                         /* Set control reg */
10544                         bnx2x_cl45_read(bp, phy,
10545                                         MDIO_PMA_DEVAD,
10546                                         MDIO_PMA_REG_8481_LINK_SIGNAL,
10547                                         &val);
10548                         val &= 0x8000;
10549                         val |= 0x2492;
10550
10551                         bnx2x_cl45_write(bp, phy,
10552                                          MDIO_PMA_DEVAD,
10553                                          MDIO_PMA_REG_8481_LINK_SIGNAL,
10554                                          val);
10555
10556                         /* Set LED masks */
10557                         bnx2x_cl45_write(bp, phy,
10558                                          MDIO_PMA_DEVAD,
10559                                          MDIO_PMA_REG_8481_LED1_MASK,
10560                                          0x0);
10561
10562                         bnx2x_cl45_write(bp, phy,
10563                                          MDIO_PMA_DEVAD,
10564                                          MDIO_PMA_REG_8481_LED2_MASK,
10565                                          0x20);
10566
10567                         bnx2x_cl45_write(bp, phy,
10568                                          MDIO_PMA_DEVAD,
10569                                          MDIO_PMA_REG_8481_LED3_MASK,
10570                                          0x20);
10571
10572                         bnx2x_cl45_write(bp, phy,
10573                                          MDIO_PMA_DEVAD,
10574                                          MDIO_PMA_REG_8481_LED5_MASK,
10575                                          0x0);
10576                 } else {
10577                         bnx2x_cl45_write(bp, phy,
10578                                          MDIO_PMA_DEVAD,
10579                                          MDIO_PMA_REG_8481_LED1_MASK,
10580                                          0x20);
10581                         if (phy->type ==
10582                             PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10583                                 /* Disable MI_INT interrupt before setting LED4
10584                                  * source to constant on.
10585                                  */
10586                                 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10587                                            params->port*4) &
10588                                     NIG_MASK_MI_INT) {
10589                                         params->link_flags |=
10590                                         LINK_FLAGS_INT_DISABLED;
10591
10592                                         bnx2x_bits_dis(
10593                                                 bp,
10594                                                 NIG_REG_MASK_INTERRUPT_PORT0 +
10595                                                 params->port*4,
10596                                                 NIG_MASK_MI_INT);
10597                                 }
10598                                 bnx2x_cl45_write(bp, phy,
10599                                                  MDIO_PMA_DEVAD,
10600                                                  MDIO_PMA_REG_8481_SIGNAL_MASK,
10601                                                  0x20);
10602                         }
10603                 }
10604                 break;
10605
10606         case LED_MODE_OPER:
10607
10608                 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10609
10610                 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10611                     SHARED_HW_CFG_LED_EXTPHY1) {
10612
10613                         /* Set control reg */
10614                         bnx2x_cl45_read(bp, phy,
10615                                         MDIO_PMA_DEVAD,
10616                                         MDIO_PMA_REG_8481_LINK_SIGNAL,
10617                                         &val);
10618
10619                         if (!((val &
10620                                MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10621                           >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10622                                 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10623                                 bnx2x_cl45_write(bp, phy,
10624                                                  MDIO_PMA_DEVAD,
10625                                                  MDIO_PMA_REG_8481_LINK_SIGNAL,
10626                                                  0xa492);
10627                         }
10628
10629                         /* Set LED masks */
10630                         bnx2x_cl45_write(bp, phy,
10631                                          MDIO_PMA_DEVAD,
10632                                          MDIO_PMA_REG_8481_LED1_MASK,
10633                                          0x10);
10634
10635                         bnx2x_cl45_write(bp, phy,
10636                                          MDIO_PMA_DEVAD,
10637                                          MDIO_PMA_REG_8481_LED2_MASK,
10638                                          0x80);
10639
10640                         bnx2x_cl45_write(bp, phy,
10641                                          MDIO_PMA_DEVAD,
10642                                          MDIO_PMA_REG_8481_LED3_MASK,
10643                                          0x98);
10644
10645                         bnx2x_cl45_write(bp, phy,
10646                                          MDIO_PMA_DEVAD,
10647                                          MDIO_PMA_REG_8481_LED5_MASK,
10648                                          0x40);
10649
10650                 } else {
10651                         /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10652                          * sources are all wired through LED1, rather than only
10653                          * 10G in other modes.
10654                          */
10655                         val = ((params->hw_led_mode <<
10656                                 SHARED_HW_CFG_LED_MODE_SHIFT) ==
10657                                SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10658
10659                         bnx2x_cl45_write(bp, phy,
10660                                          MDIO_PMA_DEVAD,
10661                                          MDIO_PMA_REG_8481_LED1_MASK,
10662                                          val);
10663
10664                         /* Tell LED3 to blink on source */
10665                         bnx2x_cl45_read(bp, phy,
10666                                         MDIO_PMA_DEVAD,
10667                                         MDIO_PMA_REG_8481_LINK_SIGNAL,
10668                                         &val);
10669                         val &= ~(7<<6);
10670                         val |= (1<<6); /* A83B[8:6]= 1 */
10671                         bnx2x_cl45_write(bp, phy,
10672                                          MDIO_PMA_DEVAD,
10673                                          MDIO_PMA_REG_8481_LINK_SIGNAL,
10674                                          val);
10675                         if (phy->type ==
10676                             PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10677                                 /* Restore LED4 source to external link,
10678                                  * and re-enable interrupts.
10679                                  */
10680                                 bnx2x_cl45_write(bp, phy,
10681                                                  MDIO_PMA_DEVAD,
10682                                                  MDIO_PMA_REG_8481_SIGNAL_MASK,
10683                                                  0x40);
10684                                 if (params->link_flags &
10685                                     LINK_FLAGS_INT_DISABLED) {
10686                                         bnx2x_link_int_enable(params);
10687                                         params->link_flags &=
10688                                                 ~LINK_FLAGS_INT_DISABLED;
10689                                 }
10690                         }
10691                 }
10692                 break;
10693         }
10694
10695         /* This is a workaround for E3+84833 until autoneg
10696          * restart is fixed in f/w
10697          */
10698         if (CHIP_IS_E3(bp)) {
10699                 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10700                                 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10701         }
10702 }
10703
10704 /******************************************************************/
10705 /*                      54618SE PHY SECTION                       */
10706 /******************************************************************/
10707 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10708                                         struct link_params *params,
10709                                         u32 action)
10710 {
10711         struct bnx2x *bp = params->bp;
10712         u16 temp;
10713         switch (action) {
10714         case PHY_INIT:
10715                 /* Configure LED4: set to INTR (0x6). */
10716                 /* Accessing shadow register 0xe. */
10717                 bnx2x_cl22_write(bp, phy,
10718                                  MDIO_REG_GPHY_SHADOW,
10719                                  MDIO_REG_GPHY_SHADOW_LED_SEL2);
10720                 bnx2x_cl22_read(bp, phy,
10721                                 MDIO_REG_GPHY_SHADOW,
10722                                 &temp);
10723                 temp &= ~(0xf << 4);
10724                 temp |= (0x6 << 4);
10725                 bnx2x_cl22_write(bp, phy,
10726                                  MDIO_REG_GPHY_SHADOW,
10727                                  MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10728                 /* Configure INTR based on link status change. */
10729                 bnx2x_cl22_write(bp, phy,
10730                                  MDIO_REG_INTR_MASK,
10731                                  ~MDIO_REG_INTR_MASK_LINK_STATUS);
10732                 break;
10733         }
10734 }
10735
10736 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10737                                                struct link_params *params,
10738                                                struct link_vars *vars)
10739 {
10740         struct bnx2x *bp = params->bp;
10741         u8 port;
10742         u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10743         u32 cfg_pin;
10744
10745         DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10746         usleep_range(1000, 2000);
10747
10748         /* This works with E3 only, no need to check the chip
10749          * before determining the port.
10750          */
10751         port = params->port;
10752
10753         cfg_pin = (REG_RD(bp, params->shmem_base +
10754                         offsetof(struct shmem_region,
10755                         dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10756                         PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10757                         PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10758
10759         /* Drive pin high to bring the GPHY out of reset. */
10760         bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10761
10762         /* wait for GPHY to reset */
10763         msleep(50);
10764
10765         /* reset phy */
10766         bnx2x_cl22_write(bp, phy,
10767                          MDIO_PMA_REG_CTRL, 0x8000);
10768         bnx2x_wait_reset_complete(bp, phy, params);
10769
10770         /* Wait for GPHY to reset */
10771         msleep(50);
10772
10773
10774         bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10775         /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10776         bnx2x_cl22_write(bp, phy,
10777                         MDIO_REG_GPHY_SHADOW,
10778                         MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10779         bnx2x_cl22_read(bp, phy,
10780                         MDIO_REG_GPHY_SHADOW,
10781                         &temp);
10782         temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10783         bnx2x_cl22_write(bp, phy,
10784                         MDIO_REG_GPHY_SHADOW,
10785                         MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10786
10787         /* Set up fc */
10788         /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10789         bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10790         fc_val = 0;
10791         if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10792                         MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10793                 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10794
10795         if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10796                         MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10797                 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10798
10799         /* Read all advertisement */
10800         bnx2x_cl22_read(bp, phy,
10801                         0x09,
10802                         &an_1000_val);
10803
10804         bnx2x_cl22_read(bp, phy,
10805                         0x04,
10806                         &an_10_100_val);
10807
10808         bnx2x_cl22_read(bp, phy,
10809                         MDIO_PMA_REG_CTRL,
10810                         &autoneg_val);
10811
10812         /* Disable forced speed */
10813         autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10814         an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10815                            (1<<11));
10816
10817         if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10818              (phy->speed_cap_mask &
10819               PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10820             (phy->req_line_speed == SPEED_1000)) {
10821                 an_1000_val |= (1<<8);
10822                 autoneg_val |= (1<<9 | 1<<12);
10823                 if (phy->req_duplex == DUPLEX_FULL)
10824                         an_1000_val |= (1<<9);
10825                 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10826         } else
10827                 an_1000_val &= ~((1<<8) | (1<<9));
10828
10829         bnx2x_cl22_write(bp, phy,
10830                         0x09,
10831                         an_1000_val);
10832         bnx2x_cl22_read(bp, phy,
10833                         0x09,
10834                         &an_1000_val);
10835
10836         /* Advertise 10/100 link speed */
10837         if (phy->req_line_speed == SPEED_AUTO_NEG) {
10838                 if (phy->speed_cap_mask &
10839                     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10840                         an_10_100_val |= (1<<5);
10841                         autoneg_val |= (1<<9 | 1<<12);
10842                         DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10843                 }
10844                 if (phy->speed_cap_mask &
10845                     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10846                         an_10_100_val |= (1<<6);
10847                         autoneg_val |= (1<<9 | 1<<12);
10848                         DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10849                 }
10850                 if (phy->speed_cap_mask &
10851                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10852                         an_10_100_val |= (1<<7);
10853                         autoneg_val |= (1<<9 | 1<<12);
10854                         DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10855                 }
10856                 if (phy->speed_cap_mask &
10857                     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10858                         an_10_100_val |= (1<<8);
10859                         autoneg_val |= (1<<9 | 1<<12);
10860                         DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10861                 }
10862         }
10863
10864         /* Only 10/100 are allowed to work in FORCE mode */
10865         if (phy->req_line_speed == SPEED_100) {
10866                 autoneg_val |= (1<<13);
10867                 /* Enabled AUTO-MDIX when autoneg is disabled */
10868                 bnx2x_cl22_write(bp, phy,
10869                                 0x18,
10870                                 (1<<15 | 1<<9 | 7<<0));
10871                 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10872         }
10873         if (phy->req_line_speed == SPEED_10) {
10874                 /* Enabled AUTO-MDIX when autoneg is disabled */
10875                 bnx2x_cl22_write(bp, phy,
10876                                 0x18,
10877                                 (1<<15 | 1<<9 | 7<<0));
10878                 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10879         }
10880
10881         if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10882                 int rc;
10883
10884                 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10885                                  MDIO_REG_GPHY_EXP_ACCESS_TOP |
10886                                  MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10887                 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10888                 temp &= 0xfffe;
10889                 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10890
10891                 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10892                 if (rc) {
10893                         DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10894                         bnx2x_eee_disable(phy, params, vars);
10895                 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10896                            (phy->req_duplex == DUPLEX_FULL) &&
10897                            (bnx2x_eee_calc_timer(params) ||
10898                             !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10899                         /* Need to advertise EEE only when requested,
10900                          * and either no LPI assertion was requested,
10901                          * or it was requested and a valid timer was set.
10902                          * Also notice full duplex is required for EEE.
10903                          */
10904                         bnx2x_eee_advertise(phy, params, vars,
10905                                             SHMEM_EEE_1G_ADV);
10906                 } else {
10907                         DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10908                         bnx2x_eee_disable(phy, params, vars);
10909                 }
10910         } else {
10911                 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10912                                     SHMEM_EEE_SUPPORTED_SHIFT;
10913
10914                 if (phy->flags & FLAGS_EEE) {
10915                         /* Handle legacy auto-grEEEn */
10916                         if (params->feature_config_flags &
10917                             FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10918                                 temp = 6;
10919                                 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10920                         } else {
10921                                 temp = 0;
10922                                 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10923                         }
10924                         bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10925                                          MDIO_AN_REG_EEE_ADV, temp);
10926                 }
10927         }
10928
10929         bnx2x_cl22_write(bp, phy,
10930                         0x04,
10931                         an_10_100_val | fc_val);
10932
10933         if (phy->req_duplex == DUPLEX_FULL)
10934                 autoneg_val |= (1<<8);
10935
10936         bnx2x_cl22_write(bp, phy,
10937                         MDIO_PMA_REG_CTRL, autoneg_val);
10938
10939         return 0;
10940 }
10941
10942
10943 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10944                                        struct link_params *params, u8 mode)
10945 {
10946         struct bnx2x *bp = params->bp;
10947         u16 temp;
10948
10949         bnx2x_cl22_write(bp, phy,
10950                 MDIO_REG_GPHY_SHADOW,
10951                 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10952         bnx2x_cl22_read(bp, phy,
10953                 MDIO_REG_GPHY_SHADOW,
10954                 &temp);
10955         temp &= 0xff00;
10956
10957         DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10958         switch (mode) {
10959         case LED_MODE_FRONT_PANEL_OFF:
10960         case LED_MODE_OFF:
10961                 temp |= 0x00ee;
10962                 break;
10963         case LED_MODE_OPER:
10964                 temp |= 0x0001;
10965                 break;
10966         case LED_MODE_ON:
10967                 temp |= 0x00ff;
10968                 break;
10969         default:
10970                 break;
10971         }
10972         bnx2x_cl22_write(bp, phy,
10973                 MDIO_REG_GPHY_SHADOW,
10974                 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10975         return;
10976 }
10977
10978
10979 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10980                                      struct link_params *params)
10981 {
10982         struct bnx2x *bp = params->bp;
10983         u32 cfg_pin;
10984         u8 port;
10985
10986         /* In case of no EPIO routed to reset the GPHY, put it
10987          * in low power mode.
10988          */
10989         bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10990         /* This works with E3 only, no need to check the chip
10991          * before determining the port.
10992          */
10993         port = params->port;
10994         cfg_pin = (REG_RD(bp, params->shmem_base +
10995                         offsetof(struct shmem_region,
10996                         dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10997                         PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10998                         PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10999
11000         /* Drive pin low to put GPHY in reset. */
11001         bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11002 }
11003
11004 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11005                                     struct link_params *params,
11006                                     struct link_vars *vars)
11007 {
11008         struct bnx2x *bp = params->bp;
11009         u16 val;
11010         u8 link_up = 0;
11011         u16 legacy_status, legacy_speed;
11012
11013         /* Get speed operation status */
11014         bnx2x_cl22_read(bp, phy,
11015                         MDIO_REG_GPHY_AUX_STATUS,
11016                         &legacy_status);
11017         DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11018
11019         /* Read status to clear the PHY interrupt. */
11020         bnx2x_cl22_read(bp, phy,
11021                         MDIO_REG_INTR_STATUS,
11022                         &val);
11023
11024         link_up = ((legacy_status & (1<<2)) == (1<<2));
11025
11026         if (link_up) {
11027                 legacy_speed = (legacy_status & (7<<8));
11028                 if (legacy_speed == (7<<8)) {
11029                         vars->line_speed = SPEED_1000;
11030                         vars->duplex = DUPLEX_FULL;
11031                 } else if (legacy_speed == (6<<8)) {
11032                         vars->line_speed = SPEED_1000;
11033                         vars->duplex = DUPLEX_HALF;
11034                 } else if (legacy_speed == (5<<8)) {
11035                         vars->line_speed = SPEED_100;
11036                         vars->duplex = DUPLEX_FULL;
11037                 }
11038                 /* Omitting 100Base-T4 for now */
11039                 else if (legacy_speed == (3<<8)) {
11040                         vars->line_speed = SPEED_100;
11041                         vars->duplex = DUPLEX_HALF;
11042                 } else if (legacy_speed == (2<<8)) {
11043                         vars->line_speed = SPEED_10;
11044                         vars->duplex = DUPLEX_FULL;
11045                 } else if (legacy_speed == (1<<8)) {
11046                         vars->line_speed = SPEED_10;
11047                         vars->duplex = DUPLEX_HALF;
11048                 } else /* Should not happen */
11049                         vars->line_speed = 0;
11050
11051                 DP(NETIF_MSG_LINK,
11052                    "Link is up in %dMbps, is_duplex_full= %d\n",
11053                    vars->line_speed,
11054                    (vars->duplex == DUPLEX_FULL));
11055
11056                 /* Check legacy speed AN resolution */
11057                 bnx2x_cl22_read(bp, phy,
11058                                 0x01,
11059                                 &val);
11060                 if (val & (1<<5))
11061                         vars->link_status |=
11062                                 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11063                 bnx2x_cl22_read(bp, phy,
11064                                 0x06,
11065                                 &val);
11066                 if ((val & (1<<0)) == 0)
11067                         vars->link_status |=
11068                                 LINK_STATUS_PARALLEL_DETECTION_USED;
11069
11070                 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11071                            vars->line_speed);
11072
11073                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11074
11075                 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11076                         /* Report LP advertised speeds */
11077                         bnx2x_cl22_read(bp, phy, 0x5, &val);
11078
11079                         if (val & (1<<5))
11080                                 vars->link_status |=
11081                                   LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11082                         if (val & (1<<6))
11083                                 vars->link_status |=
11084                                   LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11085                         if (val & (1<<7))
11086                                 vars->link_status |=
11087                                   LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11088                         if (val & (1<<8))
11089                                 vars->link_status |=
11090                                   LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11091                         if (val & (1<<9))
11092                                 vars->link_status |=
11093                                   LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11094
11095                         bnx2x_cl22_read(bp, phy, 0xa, &val);
11096                         if (val & (1<<10))
11097                                 vars->link_status |=
11098                                   LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11099                         if (val & (1<<11))
11100                                 vars->link_status |=
11101                                   LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11102
11103                         if ((phy->flags & FLAGS_EEE) &&
11104                             bnx2x_eee_has_cap(params))
11105                                 bnx2x_eee_an_resolve(phy, params, vars);
11106                 }
11107         }
11108         return link_up;
11109 }
11110
11111 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11112                                           struct link_params *params)
11113 {
11114         struct bnx2x *bp = params->bp;
11115         u16 val;
11116         u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11117
11118         DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11119
11120         /* Enable master/slave manual mmode and set to master */
11121         /* mii write 9 [bits set 11 12] */
11122         bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11123
11124         /* forced 1G and disable autoneg */
11125         /* set val [mii read 0] */
11126         /* set val [expr $val & [bits clear 6 12 13]] */
11127         /* set val [expr $val | [bits set 6 8]] */
11128         /* mii write 0 $val */
11129         bnx2x_cl22_read(bp, phy, 0x00, &val);
11130         val &= ~((1<<6) | (1<<12) | (1<<13));
11131         val |= (1<<6) | (1<<8);
11132         bnx2x_cl22_write(bp, phy, 0x00, val);
11133
11134         /* Set external loopback and Tx using 6dB coding */
11135         /* mii write 0x18 7 */
11136         /* set val [mii read 0x18] */
11137         /* mii write 0x18 [expr $val | [bits set 10 15]] */
11138         bnx2x_cl22_write(bp, phy, 0x18, 7);
11139         bnx2x_cl22_read(bp, phy, 0x18, &val);
11140         bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11141
11142         /* This register opens the gate for the UMAC despite its name */
11143         REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11144
11145         /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11146          * length used by the MAC receive logic to check frames.
11147          */
11148         REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11149 }
11150
11151 /******************************************************************/
11152 /*                      SFX7101 PHY SECTION                       */
11153 /******************************************************************/
11154 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11155                                        struct link_params *params)
11156 {
11157         struct bnx2x *bp = params->bp;
11158         /* SFX7101_XGXS_TEST1 */
11159         bnx2x_cl45_write(bp, phy,
11160                          MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11161 }
11162
11163 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11164                                   struct link_params *params,
11165                                   struct link_vars *vars)
11166 {
11167         u16 fw_ver1, fw_ver2, val;
11168         struct bnx2x *bp = params->bp;
11169         DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11170
11171         /* Restore normal power mode*/
11172         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11173                        MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11174         /* HW reset */
11175         bnx2x_ext_phy_hw_reset(bp, params->port);
11176         bnx2x_wait_reset_complete(bp, phy, params);
11177
11178         bnx2x_cl45_write(bp, phy,
11179                          MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11180         DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11181         bnx2x_cl45_write(bp, phy,
11182                          MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11183
11184         bnx2x_ext_phy_set_pause(params, phy, vars);
11185         /* Restart autoneg */
11186         bnx2x_cl45_read(bp, phy,
11187                         MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11188         val |= 0x200;
11189         bnx2x_cl45_write(bp, phy,
11190                          MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11191
11192         /* Save spirom version */
11193         bnx2x_cl45_read(bp, phy,
11194                         MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11195
11196         bnx2x_cl45_read(bp, phy,
11197                         MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11198         bnx2x_save_spirom_version(bp, params->port,
11199                                   (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11200         return 0;
11201 }
11202
11203 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11204                                  struct link_params *params,
11205                                  struct link_vars *vars)
11206 {
11207         struct bnx2x *bp = params->bp;
11208         u8 link_up;
11209         u16 val1, val2;
11210         bnx2x_cl45_read(bp, phy,
11211                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11212         bnx2x_cl45_read(bp, phy,
11213                         MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11214         DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11215                    val2, val1);
11216         bnx2x_cl45_read(bp, phy,
11217                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11218         bnx2x_cl45_read(bp, phy,
11219                         MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11220         DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11221                    val2, val1);
11222         link_up = ((val1 & 4) == 4);
11223         /* If link is up print the AN outcome of the SFX7101 PHY */
11224         if (link_up) {
11225                 bnx2x_cl45_read(bp, phy,
11226                                 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11227                                 &val2);
11228                 vars->line_speed = SPEED_10000;
11229                 vars->duplex = DUPLEX_FULL;
11230                 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11231                            val2, (val2 & (1<<14)));
11232                 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11233                 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11234
11235                 /* Read LP advertised speeds */
11236                 if (val2 & (1<<11))
11237                         vars->link_status |=
11238                                 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11239         }
11240         return link_up;
11241 }
11242
11243 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11244 {
11245         if (*len < 5)
11246                 return -EINVAL;
11247         str[0] = (spirom_ver & 0xFF);
11248         str[1] = (spirom_ver & 0xFF00) >> 8;
11249         str[2] = (spirom_ver & 0xFF0000) >> 16;
11250         str[3] = (spirom_ver & 0xFF000000) >> 24;
11251         str[4] = '\0';
11252         *len -= 5;
11253         return 0;
11254 }
11255
11256 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11257 {
11258         u16 val, cnt;
11259
11260         bnx2x_cl45_read(bp, phy,
11261                         MDIO_PMA_DEVAD,
11262                         MDIO_PMA_REG_7101_RESET, &val);
11263
11264         for (cnt = 0; cnt < 10; cnt++) {
11265                 msleep(50);
11266                 /* Writes a self-clearing reset */
11267                 bnx2x_cl45_write(bp, phy,
11268                                  MDIO_PMA_DEVAD,
11269                                  MDIO_PMA_REG_7101_RESET,
11270                                  (val | (1<<15)));
11271                 /* Wait for clear */
11272                 bnx2x_cl45_read(bp, phy,
11273                                 MDIO_PMA_DEVAD,
11274                                 MDIO_PMA_REG_7101_RESET, &val);
11275
11276                 if ((val & (1<<15)) == 0)
11277                         break;
11278         }
11279 }
11280
11281 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11282                                 struct link_params *params) {
11283         /* Low power mode is controlled by GPIO 2 */
11284         bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11285                        MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11286         /* The PHY reset is controlled by GPIO 1 */
11287         bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11288                        MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11289 }
11290
11291 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11292                                     struct link_params *params, u8 mode)
11293 {
11294         u16 val = 0;
11295         struct bnx2x *bp = params->bp;
11296         switch (mode) {
11297         case LED_MODE_FRONT_PANEL_OFF:
11298         case LED_MODE_OFF:
11299                 val = 2;
11300                 break;
11301         case LED_MODE_ON:
11302                 val = 1;
11303                 break;
11304         case LED_MODE_OPER:
11305                 val = 0;
11306                 break;
11307         }
11308         bnx2x_cl45_write(bp, phy,
11309                          MDIO_PMA_DEVAD,
11310                          MDIO_PMA_REG_7107_LINK_LED_CNTL,
11311                          val);
11312 }
11313
11314 /******************************************************************/
11315 /*                      STATIC PHY DECLARATION                    */
11316 /******************************************************************/
11317
11318 static const struct bnx2x_phy phy_null = {
11319         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11320         .addr           = 0,
11321         .def_md_devad   = 0,
11322         .flags          = FLAGS_INIT_XGXS_FIRST,
11323         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11324         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11325         .mdio_ctrl      = 0,
11326         .supported      = 0,
11327         .media_type     = ETH_PHY_NOT_PRESENT,
11328         .ver_addr       = 0,
11329         .req_flow_ctrl  = 0,
11330         .req_line_speed = 0,
11331         .speed_cap_mask = 0,
11332         .req_duplex     = 0,
11333         .rsrv           = 0,
11334         .config_init    = (config_init_t)NULL,
11335         .read_status    = (read_status_t)NULL,
11336         .link_reset     = (link_reset_t)NULL,
11337         .config_loopback = (config_loopback_t)NULL,
11338         .format_fw_ver  = (format_fw_ver_t)NULL,
11339         .hw_reset       = (hw_reset_t)NULL,
11340         .set_link_led   = (set_link_led_t)NULL,
11341         .phy_specific_func = (phy_specific_func_t)NULL
11342 };
11343
11344 static const struct bnx2x_phy phy_serdes = {
11345         .type           = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11346         .addr           = 0xff,
11347         .def_md_devad   = 0,
11348         .flags          = 0,
11349         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11350         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11351         .mdio_ctrl      = 0,
11352         .supported      = (SUPPORTED_10baseT_Half |
11353                            SUPPORTED_10baseT_Full |
11354                            SUPPORTED_100baseT_Half |
11355                            SUPPORTED_100baseT_Full |
11356                            SUPPORTED_1000baseT_Full |
11357                            SUPPORTED_2500baseX_Full |
11358                            SUPPORTED_TP |
11359                            SUPPORTED_Autoneg |
11360                            SUPPORTED_Pause |
11361                            SUPPORTED_Asym_Pause),
11362         .media_type     = ETH_PHY_BASE_T,
11363         .ver_addr       = 0,
11364         .req_flow_ctrl  = 0,
11365         .req_line_speed = 0,
11366         .speed_cap_mask = 0,
11367         .req_duplex     = 0,
11368         .rsrv           = 0,
11369         .config_init    = (config_init_t)bnx2x_xgxs_config_init,
11370         .read_status    = (read_status_t)bnx2x_link_settings_status,
11371         .link_reset     = (link_reset_t)bnx2x_int_link_reset,
11372         .config_loopback = (config_loopback_t)NULL,
11373         .format_fw_ver  = (format_fw_ver_t)NULL,
11374         .hw_reset       = (hw_reset_t)NULL,
11375         .set_link_led   = (set_link_led_t)NULL,
11376         .phy_specific_func = (phy_specific_func_t)NULL
11377 };
11378
11379 static const struct bnx2x_phy phy_xgxs = {
11380         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11381         .addr           = 0xff,
11382         .def_md_devad   = 0,
11383         .flags          = 0,
11384         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11385         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11386         .mdio_ctrl      = 0,
11387         .supported      = (SUPPORTED_10baseT_Half |
11388                            SUPPORTED_10baseT_Full |
11389                            SUPPORTED_100baseT_Half |
11390                            SUPPORTED_100baseT_Full |
11391                            SUPPORTED_1000baseT_Full |
11392                            SUPPORTED_2500baseX_Full |
11393                            SUPPORTED_10000baseT_Full |
11394                            SUPPORTED_FIBRE |
11395                            SUPPORTED_Autoneg |
11396                            SUPPORTED_Pause |
11397                            SUPPORTED_Asym_Pause),
11398         .media_type     = ETH_PHY_CX4,
11399         .ver_addr       = 0,
11400         .req_flow_ctrl  = 0,
11401         .req_line_speed = 0,
11402         .speed_cap_mask = 0,
11403         .req_duplex     = 0,
11404         .rsrv           = 0,
11405         .config_init    = (config_init_t)bnx2x_xgxs_config_init,
11406         .read_status    = (read_status_t)bnx2x_link_settings_status,
11407         .link_reset     = (link_reset_t)bnx2x_int_link_reset,
11408         .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11409         .format_fw_ver  = (format_fw_ver_t)NULL,
11410         .hw_reset       = (hw_reset_t)NULL,
11411         .set_link_led   = (set_link_led_t)NULL,
11412         .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11413 };
11414 static const struct bnx2x_phy phy_warpcore = {
11415         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11416         .addr           = 0xff,
11417         .def_md_devad   = 0,
11418         .flags          = FLAGS_TX_ERROR_CHECK,
11419         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11420         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11421         .mdio_ctrl      = 0,
11422         .supported      = (SUPPORTED_10baseT_Half |
11423                            SUPPORTED_10baseT_Full |
11424                            SUPPORTED_100baseT_Half |
11425                            SUPPORTED_100baseT_Full |
11426                            SUPPORTED_1000baseT_Full |
11427                            SUPPORTED_10000baseT_Full |
11428                            SUPPORTED_20000baseKR2_Full |
11429                            SUPPORTED_20000baseMLD2_Full |
11430                            SUPPORTED_FIBRE |
11431                            SUPPORTED_Autoneg |
11432                            SUPPORTED_Pause |
11433                            SUPPORTED_Asym_Pause),
11434         .media_type     = ETH_PHY_UNSPECIFIED,
11435         .ver_addr       = 0,
11436         .req_flow_ctrl  = 0,
11437         .req_line_speed = 0,
11438         .speed_cap_mask = 0,
11439         /* req_duplex = */0,
11440         /* rsrv = */0,
11441         .config_init    = (config_init_t)bnx2x_warpcore_config_init,
11442         .read_status    = (read_status_t)bnx2x_warpcore_read_status,
11443         .link_reset     = (link_reset_t)bnx2x_warpcore_link_reset,
11444         .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11445         .format_fw_ver  = (format_fw_ver_t)NULL,
11446         .hw_reset       = (hw_reset_t)bnx2x_warpcore_hw_reset,
11447         .set_link_led   = (set_link_led_t)NULL,
11448         .phy_specific_func = (phy_specific_func_t)NULL
11449 };
11450
11451
11452 static const struct bnx2x_phy phy_7101 = {
11453         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11454         .addr           = 0xff,
11455         .def_md_devad   = 0,
11456         .flags          = FLAGS_FAN_FAILURE_DET_REQ,
11457         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11458         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11459         .mdio_ctrl      = 0,
11460         .supported      = (SUPPORTED_10000baseT_Full |
11461                            SUPPORTED_TP |
11462                            SUPPORTED_Autoneg |
11463                            SUPPORTED_Pause |
11464                            SUPPORTED_Asym_Pause),
11465         .media_type     = ETH_PHY_BASE_T,
11466         .ver_addr       = 0,
11467         .req_flow_ctrl  = 0,
11468         .req_line_speed = 0,
11469         .speed_cap_mask = 0,
11470         .req_duplex     = 0,
11471         .rsrv           = 0,
11472         .config_init    = (config_init_t)bnx2x_7101_config_init,
11473         .read_status    = (read_status_t)bnx2x_7101_read_status,
11474         .link_reset     = (link_reset_t)bnx2x_common_ext_link_reset,
11475         .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11476         .format_fw_ver  = (format_fw_ver_t)bnx2x_7101_format_ver,
11477         .hw_reset       = (hw_reset_t)bnx2x_7101_hw_reset,
11478         .set_link_led   = (set_link_led_t)bnx2x_7101_set_link_led,
11479         .phy_specific_func = (phy_specific_func_t)NULL
11480 };
11481 static const struct bnx2x_phy phy_8073 = {
11482         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11483         .addr           = 0xff,
11484         .def_md_devad   = 0,
11485         .flags          = 0,
11486         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11487         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11488         .mdio_ctrl      = 0,
11489         .supported      = (SUPPORTED_10000baseT_Full |
11490                            SUPPORTED_2500baseX_Full |
11491                            SUPPORTED_1000baseT_Full |
11492                            SUPPORTED_FIBRE |
11493                            SUPPORTED_Autoneg |
11494                            SUPPORTED_Pause |
11495                            SUPPORTED_Asym_Pause),
11496         .media_type     = ETH_PHY_KR,
11497         .ver_addr       = 0,
11498         .req_flow_ctrl  = 0,
11499         .req_line_speed = 0,
11500         .speed_cap_mask = 0,
11501         .req_duplex     = 0,
11502         .rsrv           = 0,
11503         .config_init    = (config_init_t)bnx2x_8073_config_init,
11504         .read_status    = (read_status_t)bnx2x_8073_read_status,
11505         .link_reset     = (link_reset_t)bnx2x_8073_link_reset,
11506         .config_loopback = (config_loopback_t)NULL,
11507         .format_fw_ver  = (format_fw_ver_t)bnx2x_format_ver,
11508         .hw_reset       = (hw_reset_t)NULL,
11509         .set_link_led   = (set_link_led_t)NULL,
11510         .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11511 };
11512 static const struct bnx2x_phy phy_8705 = {
11513         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11514         .addr           = 0xff,
11515         .def_md_devad   = 0,
11516         .flags          = FLAGS_INIT_XGXS_FIRST,
11517         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11518         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11519         .mdio_ctrl      = 0,
11520         .supported      = (SUPPORTED_10000baseT_Full |
11521                            SUPPORTED_FIBRE |
11522                            SUPPORTED_Pause |
11523                            SUPPORTED_Asym_Pause),
11524         .media_type     = ETH_PHY_XFP_FIBER,
11525         .ver_addr       = 0,
11526         .req_flow_ctrl  = 0,
11527         .req_line_speed = 0,
11528         .speed_cap_mask = 0,
11529         .req_duplex     = 0,
11530         .rsrv           = 0,
11531         .config_init    = (config_init_t)bnx2x_8705_config_init,
11532         .read_status    = (read_status_t)bnx2x_8705_read_status,
11533         .link_reset     = (link_reset_t)bnx2x_common_ext_link_reset,
11534         .config_loopback = (config_loopback_t)NULL,
11535         .format_fw_ver  = (format_fw_ver_t)bnx2x_null_format_ver,
11536         .hw_reset       = (hw_reset_t)NULL,
11537         .set_link_led   = (set_link_led_t)NULL,
11538         .phy_specific_func = (phy_specific_func_t)NULL
11539 };
11540 static const struct bnx2x_phy phy_8706 = {
11541         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11542         .addr           = 0xff,
11543         .def_md_devad   = 0,
11544         .flags          = FLAGS_INIT_XGXS_FIRST,
11545         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11546         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11547         .mdio_ctrl      = 0,
11548         .supported      = (SUPPORTED_10000baseT_Full |
11549                            SUPPORTED_1000baseT_Full |
11550                            SUPPORTED_FIBRE |
11551                            SUPPORTED_Pause |
11552                            SUPPORTED_Asym_Pause),
11553         .media_type     = ETH_PHY_SFPP_10G_FIBER,
11554         .ver_addr       = 0,
11555         .req_flow_ctrl  = 0,
11556         .req_line_speed = 0,
11557         .speed_cap_mask = 0,
11558         .req_duplex     = 0,
11559         .rsrv           = 0,
11560         .config_init    = (config_init_t)bnx2x_8706_config_init,
11561         .read_status    = (read_status_t)bnx2x_8706_read_status,
11562         .link_reset     = (link_reset_t)bnx2x_common_ext_link_reset,
11563         .config_loopback = (config_loopback_t)NULL,
11564         .format_fw_ver  = (format_fw_ver_t)bnx2x_format_ver,
11565         .hw_reset       = (hw_reset_t)NULL,
11566         .set_link_led   = (set_link_led_t)NULL,
11567         .phy_specific_func = (phy_specific_func_t)NULL
11568 };
11569
11570 static const struct bnx2x_phy phy_8726 = {
11571         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11572         .addr           = 0xff,
11573         .def_md_devad   = 0,
11574         .flags          = (FLAGS_INIT_XGXS_FIRST |
11575                            FLAGS_TX_ERROR_CHECK),
11576         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11577         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11578         .mdio_ctrl      = 0,
11579         .supported      = (SUPPORTED_10000baseT_Full |
11580                            SUPPORTED_1000baseT_Full |
11581                            SUPPORTED_Autoneg |
11582                            SUPPORTED_FIBRE |
11583                            SUPPORTED_Pause |
11584                            SUPPORTED_Asym_Pause),
11585         .media_type     = ETH_PHY_NOT_PRESENT,
11586         .ver_addr       = 0,
11587         .req_flow_ctrl  = 0,
11588         .req_line_speed = 0,
11589         .speed_cap_mask = 0,
11590         .req_duplex     = 0,
11591         .rsrv           = 0,
11592         .config_init    = (config_init_t)bnx2x_8726_config_init,
11593         .read_status    = (read_status_t)bnx2x_8726_read_status,
11594         .link_reset     = (link_reset_t)bnx2x_8726_link_reset,
11595         .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11596         .format_fw_ver  = (format_fw_ver_t)bnx2x_format_ver,
11597         .hw_reset       = (hw_reset_t)NULL,
11598         .set_link_led   = (set_link_led_t)NULL,
11599         .phy_specific_func = (phy_specific_func_t)NULL
11600 };
11601
11602 static const struct bnx2x_phy phy_8727 = {
11603         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11604         .addr           = 0xff,
11605         .def_md_devad   = 0,
11606         .flags          = (FLAGS_FAN_FAILURE_DET_REQ |
11607                            FLAGS_TX_ERROR_CHECK),
11608         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11609         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11610         .mdio_ctrl      = 0,
11611         .supported      = (SUPPORTED_10000baseT_Full |
11612                            SUPPORTED_1000baseT_Full |
11613                            SUPPORTED_FIBRE |
11614                            SUPPORTED_Pause |
11615                            SUPPORTED_Asym_Pause),
11616         .media_type     = ETH_PHY_NOT_PRESENT,
11617         .ver_addr       = 0,
11618         .req_flow_ctrl  = 0,
11619         .req_line_speed = 0,
11620         .speed_cap_mask = 0,
11621         .req_duplex     = 0,
11622         .rsrv           = 0,
11623         .config_init    = (config_init_t)bnx2x_8727_config_init,
11624         .read_status    = (read_status_t)bnx2x_8727_read_status,
11625         .link_reset     = (link_reset_t)bnx2x_8727_link_reset,
11626         .config_loopback = (config_loopback_t)NULL,
11627         .format_fw_ver  = (format_fw_ver_t)bnx2x_format_ver,
11628         .hw_reset       = (hw_reset_t)bnx2x_8727_hw_reset,
11629         .set_link_led   = (set_link_led_t)bnx2x_8727_set_link_led,
11630         .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11631 };
11632 static const struct bnx2x_phy phy_8481 = {
11633         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11634         .addr           = 0xff,
11635         .def_md_devad   = 0,
11636         .flags          = FLAGS_FAN_FAILURE_DET_REQ |
11637                           FLAGS_REARM_LATCH_SIGNAL,
11638         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11639         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11640         .mdio_ctrl      = 0,
11641         .supported      = (SUPPORTED_10baseT_Half |
11642                            SUPPORTED_10baseT_Full |
11643                            SUPPORTED_100baseT_Half |
11644                            SUPPORTED_100baseT_Full |
11645                            SUPPORTED_1000baseT_Full |
11646                            SUPPORTED_10000baseT_Full |
11647                            SUPPORTED_TP |
11648                            SUPPORTED_Autoneg |
11649                            SUPPORTED_Pause |
11650                            SUPPORTED_Asym_Pause),
11651         .media_type     = ETH_PHY_BASE_T,
11652         .ver_addr       = 0,
11653         .req_flow_ctrl  = 0,
11654         .req_line_speed = 0,
11655         .speed_cap_mask = 0,
11656         .req_duplex     = 0,
11657         .rsrv           = 0,
11658         .config_init    = (config_init_t)bnx2x_8481_config_init,
11659         .read_status    = (read_status_t)bnx2x_848xx_read_status,
11660         .link_reset     = (link_reset_t)bnx2x_8481_link_reset,
11661         .config_loopback = (config_loopback_t)NULL,
11662         .format_fw_ver  = (format_fw_ver_t)bnx2x_848xx_format_ver,
11663         .hw_reset       = (hw_reset_t)bnx2x_8481_hw_reset,
11664         .set_link_led   = (set_link_led_t)bnx2x_848xx_set_link_led,
11665         .phy_specific_func = (phy_specific_func_t)NULL
11666 };
11667
11668 static const struct bnx2x_phy phy_84823 = {
11669         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11670         .addr           = 0xff,
11671         .def_md_devad   = 0,
11672         .flags          = (FLAGS_FAN_FAILURE_DET_REQ |
11673                            FLAGS_REARM_LATCH_SIGNAL |
11674                            FLAGS_TX_ERROR_CHECK),
11675         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11676         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11677         .mdio_ctrl      = 0,
11678         .supported      = (SUPPORTED_10baseT_Half |
11679                            SUPPORTED_10baseT_Full |
11680                            SUPPORTED_100baseT_Half |
11681                            SUPPORTED_100baseT_Full |
11682                            SUPPORTED_1000baseT_Full |
11683                            SUPPORTED_10000baseT_Full |
11684                            SUPPORTED_TP |
11685                            SUPPORTED_Autoneg |
11686                            SUPPORTED_Pause |
11687                            SUPPORTED_Asym_Pause),
11688         .media_type     = ETH_PHY_BASE_T,
11689         .ver_addr       = 0,
11690         .req_flow_ctrl  = 0,
11691         .req_line_speed = 0,
11692         .speed_cap_mask = 0,
11693         .req_duplex     = 0,
11694         .rsrv           = 0,
11695         .config_init    = (config_init_t)bnx2x_848x3_config_init,
11696         .read_status    = (read_status_t)bnx2x_848xx_read_status,
11697         .link_reset     = (link_reset_t)bnx2x_848x3_link_reset,
11698         .config_loopback = (config_loopback_t)NULL,
11699         .format_fw_ver  = (format_fw_ver_t)bnx2x_848xx_format_ver,
11700         .hw_reset       = (hw_reset_t)NULL,
11701         .set_link_led   = (set_link_led_t)bnx2x_848xx_set_link_led,
11702         .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11703 };
11704
11705 static const struct bnx2x_phy phy_84833 = {
11706         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11707         .addr           = 0xff,
11708         .def_md_devad   = 0,
11709         .flags          = (FLAGS_FAN_FAILURE_DET_REQ |
11710                            FLAGS_REARM_LATCH_SIGNAL |
11711                            FLAGS_TX_ERROR_CHECK),
11712         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11713         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11714         .mdio_ctrl      = 0,
11715         .supported      = (SUPPORTED_100baseT_Half |
11716                            SUPPORTED_100baseT_Full |
11717                            SUPPORTED_1000baseT_Full |
11718                            SUPPORTED_10000baseT_Full |
11719                            SUPPORTED_TP |
11720                            SUPPORTED_Autoneg |
11721                            SUPPORTED_Pause |
11722                            SUPPORTED_Asym_Pause),
11723         .media_type     = ETH_PHY_BASE_T,
11724         .ver_addr       = 0,
11725         .req_flow_ctrl  = 0,
11726         .req_line_speed = 0,
11727         .speed_cap_mask = 0,
11728         .req_duplex     = 0,
11729         .rsrv           = 0,
11730         .config_init    = (config_init_t)bnx2x_848x3_config_init,
11731         .read_status    = (read_status_t)bnx2x_848xx_read_status,
11732         .link_reset     = (link_reset_t)bnx2x_848x3_link_reset,
11733         .config_loopback = (config_loopback_t)NULL,
11734         .format_fw_ver  = (format_fw_ver_t)bnx2x_848xx_format_ver,
11735         .hw_reset       = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11736         .set_link_led   = (set_link_led_t)bnx2x_848xx_set_link_led,
11737         .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11738 };
11739
11740 static const struct bnx2x_phy phy_84834 = {
11741         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11742         .addr           = 0xff,
11743         .def_md_devad   = 0,
11744         .flags          = FLAGS_FAN_FAILURE_DET_REQ |
11745                             FLAGS_REARM_LATCH_SIGNAL,
11746         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11747         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11748         .mdio_ctrl      = 0,
11749         .supported      = (SUPPORTED_100baseT_Half |
11750                            SUPPORTED_100baseT_Full |
11751                            SUPPORTED_1000baseT_Full |
11752                            SUPPORTED_10000baseT_Full |
11753                            SUPPORTED_TP |
11754                            SUPPORTED_Autoneg |
11755                            SUPPORTED_Pause |
11756                            SUPPORTED_Asym_Pause),
11757         .media_type     = ETH_PHY_BASE_T,
11758         .ver_addr       = 0,
11759         .req_flow_ctrl  = 0,
11760         .req_line_speed = 0,
11761         .speed_cap_mask = 0,
11762         .req_duplex     = 0,
11763         .rsrv           = 0,
11764         .config_init    = (config_init_t)bnx2x_848x3_config_init,
11765         .read_status    = (read_status_t)bnx2x_848xx_read_status,
11766         .link_reset     = (link_reset_t)bnx2x_848x3_link_reset,
11767         .config_loopback = (config_loopback_t)NULL,
11768         .format_fw_ver  = (format_fw_ver_t)bnx2x_848xx_format_ver,
11769         .hw_reset       = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11770         .set_link_led   = (set_link_led_t)bnx2x_848xx_set_link_led,
11771         .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11772 };
11773
11774 static const struct bnx2x_phy phy_54618se = {
11775         .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11776         .addr           = 0xff,
11777         .def_md_devad   = 0,
11778         .flags          = FLAGS_INIT_XGXS_FIRST,
11779         .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11780         .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11781         .mdio_ctrl      = 0,
11782         .supported      = (SUPPORTED_10baseT_Half |
11783                            SUPPORTED_10baseT_Full |
11784                            SUPPORTED_100baseT_Half |
11785                            SUPPORTED_100baseT_Full |
11786                            SUPPORTED_1000baseT_Full |
11787                            SUPPORTED_TP |
11788                            SUPPORTED_Autoneg |
11789                            SUPPORTED_Pause |
11790                            SUPPORTED_Asym_Pause),
11791         .media_type     = ETH_PHY_BASE_T,
11792         .ver_addr       = 0,
11793         .req_flow_ctrl  = 0,
11794         .req_line_speed = 0,
11795         .speed_cap_mask = 0,
11796         /* req_duplex = */0,
11797         /* rsrv = */0,
11798         .config_init    = (config_init_t)bnx2x_54618se_config_init,
11799         .read_status    = (read_status_t)bnx2x_54618se_read_status,
11800         .link_reset     = (link_reset_t)bnx2x_54618se_link_reset,
11801         .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11802         .format_fw_ver  = (format_fw_ver_t)NULL,
11803         .hw_reset       = (hw_reset_t)NULL,
11804         .set_link_led   = (set_link_led_t)bnx2x_5461x_set_link_led,
11805         .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11806 };
11807 /*****************************************************************/
11808 /*                                                               */
11809 /* Populate the phy according. Main function: bnx2x_populate_phy   */
11810 /*                                                               */
11811 /*****************************************************************/
11812
11813 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11814                                      struct bnx2x_phy *phy, u8 port,
11815                                      u8 phy_index)
11816 {
11817         /* Get the 4 lanes xgxs config rx and tx */
11818         u32 rx = 0, tx = 0, i;
11819         for (i = 0; i < 2; i++) {
11820                 /* INT_PHY and EXT_PHY1 share the same value location in
11821                  * the shmem. When num_phys is greater than 1, than this value
11822                  * applies only to EXT_PHY1
11823                  */
11824                 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11825                         rx = REG_RD(bp, shmem_base +
11826                                     offsetof(struct shmem_region,
11827                           dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11828
11829                         tx = REG_RD(bp, shmem_base +
11830                                     offsetof(struct shmem_region,
11831                           dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11832                 } else {
11833                         rx = REG_RD(bp, shmem_base +
11834                                     offsetof(struct shmem_region,
11835                          dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11836
11837                         tx = REG_RD(bp, shmem_base +
11838                                     offsetof(struct shmem_region,
11839                          dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11840                 }
11841
11842                 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11843                 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11844
11845                 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11846                 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11847         }
11848 }
11849
11850 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11851                                     u8 phy_index, u8 port)
11852 {
11853         u32 ext_phy_config = 0;
11854         switch (phy_index) {
11855         case EXT_PHY1:
11856                 ext_phy_config = REG_RD(bp, shmem_base +
11857                                               offsetof(struct shmem_region,
11858                         dev_info.port_hw_config[port].external_phy_config));
11859                 break;
11860         case EXT_PHY2:
11861                 ext_phy_config = REG_RD(bp, shmem_base +
11862                                               offsetof(struct shmem_region,
11863                         dev_info.port_hw_config[port].external_phy_config2));
11864                 break;
11865         default:
11866                 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11867                 return -EINVAL;
11868         }
11869
11870         return ext_phy_config;
11871 }
11872 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11873                                   struct bnx2x_phy *phy)
11874 {
11875         u32 phy_addr;
11876         u32 chip_id;
11877         u32 switch_cfg = (REG_RD(bp, shmem_base +
11878                                        offsetof(struct shmem_region,
11879                         dev_info.port_feature_config[port].link_config)) &
11880                           PORT_FEATURE_CONNECTED_SWITCH_MASK);
11881         chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11882                 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11883
11884         DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11885         if (USES_WARPCORE(bp)) {
11886                 u32 serdes_net_if;
11887                 phy_addr = REG_RD(bp,
11888                                   MISC_REG_WC0_CTRL_PHY_ADDR);
11889                 *phy = phy_warpcore;
11890                 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11891                         phy->flags |= FLAGS_4_PORT_MODE;
11892                 else
11893                         phy->flags &= ~FLAGS_4_PORT_MODE;
11894                         /* Check Dual mode */
11895                 serdes_net_if = (REG_RD(bp, shmem_base +
11896                                         offsetof(struct shmem_region, dev_info.
11897                                         port_hw_config[port].default_cfg)) &
11898                                  PORT_HW_CFG_NET_SERDES_IF_MASK);
11899                 /* Set the appropriate supported and flags indications per
11900                  * interface type of the chip
11901                  */
11902                 switch (serdes_net_if) {
11903                 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11904                         phy->supported &= (SUPPORTED_10baseT_Half |
11905                                            SUPPORTED_10baseT_Full |
11906                                            SUPPORTED_100baseT_Half |
11907                                            SUPPORTED_100baseT_Full |
11908                                            SUPPORTED_1000baseT_Full |
11909                                            SUPPORTED_FIBRE |
11910                                            SUPPORTED_Autoneg |
11911                                            SUPPORTED_Pause |
11912                                            SUPPORTED_Asym_Pause);
11913                         phy->media_type = ETH_PHY_BASE_T;
11914                         break;
11915                 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11916                         phy->supported &= (SUPPORTED_1000baseT_Full |
11917                                            SUPPORTED_10000baseT_Full |
11918                                            SUPPORTED_FIBRE |
11919                                            SUPPORTED_Pause |
11920                                            SUPPORTED_Asym_Pause);
11921                         phy->media_type = ETH_PHY_XFP_FIBER;
11922                         break;
11923                 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11924                         phy->supported &= (SUPPORTED_1000baseT_Full |
11925                                            SUPPORTED_10000baseT_Full |
11926                                            SUPPORTED_FIBRE |
11927                                            SUPPORTED_Pause |
11928                                            SUPPORTED_Asym_Pause);
11929                         phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11930                         break;
11931                 case PORT_HW_CFG_NET_SERDES_IF_KR:
11932                         phy->media_type = ETH_PHY_KR;
11933                         phy->supported &= (SUPPORTED_1000baseT_Full |
11934                                            SUPPORTED_10000baseT_Full |
11935                                            SUPPORTED_FIBRE |
11936                                            SUPPORTED_Autoneg |
11937                                            SUPPORTED_Pause |
11938                                            SUPPORTED_Asym_Pause);
11939                         break;
11940                 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11941                         phy->media_type = ETH_PHY_KR;
11942                         phy->flags |= FLAGS_WC_DUAL_MODE;
11943                         phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11944                                            SUPPORTED_FIBRE |
11945                                            SUPPORTED_Pause |
11946                                            SUPPORTED_Asym_Pause);
11947                         break;
11948                 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11949                         phy->media_type = ETH_PHY_KR;
11950                         phy->flags |= FLAGS_WC_DUAL_MODE;
11951                         phy->supported &= (SUPPORTED_20000baseKR2_Full |
11952                                            SUPPORTED_10000baseT_Full |
11953                                            SUPPORTED_1000baseT_Full |
11954                                            SUPPORTED_Autoneg |
11955                                            SUPPORTED_FIBRE |
11956                                            SUPPORTED_Pause |
11957                                            SUPPORTED_Asym_Pause);
11958                         phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11959                         break;
11960                 default:
11961                         DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11962                                        serdes_net_if);
11963                         break;
11964                 }
11965
11966                 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11967                  * was not set as expected. For B0, ECO will be enabled so there
11968                  * won't be an issue there
11969                  */
11970                 if (CHIP_REV(bp) == CHIP_REV_Ax)
11971                         phy->flags |= FLAGS_MDC_MDIO_WA;
11972                 else
11973                         phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11974         } else {
11975                 switch (switch_cfg) {
11976                 case SWITCH_CFG_1G:
11977                         phy_addr = REG_RD(bp,
11978                                           NIG_REG_SERDES0_CTRL_PHY_ADDR +
11979                                           port * 0x10);
11980                         *phy = phy_serdes;
11981                         break;
11982                 case SWITCH_CFG_10G:
11983                         phy_addr = REG_RD(bp,
11984                                           NIG_REG_XGXS0_CTRL_PHY_ADDR +
11985                                           port * 0x18);
11986                         *phy = phy_xgxs;
11987                         break;
11988                 default:
11989                         DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11990                         return -EINVAL;
11991                 }
11992         }
11993         phy->addr = (u8)phy_addr;
11994         phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11995                                             SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11996                                             port);
11997         if (CHIP_IS_E2(bp))
11998                 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11999         else
12000                 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12001
12002         DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12003                    port, phy->addr, phy->mdio_ctrl);
12004
12005         bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12006         return 0;
12007 }
12008
12009 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12010                                   u8 phy_index,
12011                                   u32 shmem_base,
12012                                   u32 shmem2_base,
12013                                   u8 port,
12014                                   struct bnx2x_phy *phy)
12015 {
12016         u32 ext_phy_config, phy_type, config2;
12017         u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12018         ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12019                                                   phy_index, port);
12020         phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12021         /* Select the phy type */
12022         switch (phy_type) {
12023         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12024                 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12025                 *phy = phy_8073;
12026                 break;
12027         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12028                 *phy = phy_8705;
12029                 break;
12030         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12031                 *phy = phy_8706;
12032                 break;
12033         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12034                 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12035                 *phy = phy_8726;
12036                 break;
12037         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12038                 /* BCM8727_NOC => BCM8727 no over current */
12039                 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12040                 *phy = phy_8727;
12041                 phy->flags |= FLAGS_NOC;
12042                 break;
12043         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12044         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12045                 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12046                 *phy = phy_8727;
12047                 break;
12048         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12049                 *phy = phy_8481;
12050                 break;
12051         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12052                 *phy = phy_84823;
12053                 break;
12054         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12055                 *phy = phy_84833;
12056                 break;
12057         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12058                 *phy = phy_84834;
12059                 break;
12060         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12061         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12062                 *phy = phy_54618se;
12063                 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12064                         phy->flags |= FLAGS_EEE;
12065                 break;
12066         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12067                 *phy = phy_7101;
12068                 break;
12069         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12070                 *phy = phy_null;
12071                 return -EINVAL;
12072         default:
12073                 *phy = phy_null;
12074                 /* In case external PHY wasn't found */
12075                 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12076                     (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12077                         return -EINVAL;
12078                 return 0;
12079         }
12080
12081         phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12082         bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12083
12084         /* The shmem address of the phy version is located on different
12085          * structures. In case this structure is too old, do not set
12086          * the address
12087          */
12088         config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12089                                         dev_info.shared_hw_config.config2));
12090         if (phy_index == EXT_PHY1) {
12091                 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12092                                 port_mb[port].ext_phy_fw_version);
12093
12094                 /* Check specific mdc mdio settings */
12095                 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12096                         mdc_mdio_access = config2 &
12097                         SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12098         } else {
12099                 u32 size = REG_RD(bp, shmem2_base);
12100
12101                 if (size >
12102                     offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12103                         phy->ver_addr = shmem2_base +
12104                             offsetof(struct shmem2_region,
12105                                      ext_phy_fw_version2[port]);
12106                 }
12107                 /* Check specific mdc mdio settings */
12108                 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12109                         mdc_mdio_access = (config2 &
12110                         SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12111                         (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12112                          SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12113         }
12114         phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12115
12116         if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12117              (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12118             (phy->ver_addr)) {
12119                 /* Remove 100Mb link supported for BCM84833/4 when phy fw
12120                  * version lower than or equal to 1.39
12121                  */
12122                 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12123                 if (((raw_ver & 0x7F) <= 39) &&
12124                     (((raw_ver & 0xF80) >> 7) <= 1))
12125                         phy->supported &= ~(SUPPORTED_100baseT_Half |
12126                                             SUPPORTED_100baseT_Full);
12127         }
12128
12129         DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12130                    phy_type, port, phy_index);
12131         DP(NETIF_MSG_LINK, "             addr=0x%x, mdio_ctl=0x%x\n",
12132                    phy->addr, phy->mdio_ctrl);
12133         return 0;
12134 }
12135
12136 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12137                               u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12138 {
12139         int status = 0;
12140         phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12141         if (phy_index == INT_PHY)
12142                 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12143         status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12144                                         port, phy);
12145         return status;
12146 }
12147
12148 static void bnx2x_phy_def_cfg(struct link_params *params,
12149                               struct bnx2x_phy *phy,
12150                               u8 phy_index)
12151 {
12152         struct bnx2x *bp = params->bp;
12153         u32 link_config;
12154         /* Populate the default phy configuration for MF mode */
12155         if (phy_index == EXT_PHY2) {
12156                 link_config = REG_RD(bp, params->shmem_base +
12157                                      offsetof(struct shmem_region, dev_info.
12158                         port_feature_config[params->port].link_config2));
12159                 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12160                                              offsetof(struct shmem_region,
12161                                                       dev_info.
12162                         port_hw_config[params->port].speed_capability_mask2));
12163         } else {
12164                 link_config = REG_RD(bp, params->shmem_base +
12165                                      offsetof(struct shmem_region, dev_info.
12166                                 port_feature_config[params->port].link_config));
12167                 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12168                                              offsetof(struct shmem_region,
12169                                                       dev_info.
12170                         port_hw_config[params->port].speed_capability_mask));
12171         }
12172         DP(NETIF_MSG_LINK,
12173            "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12174            phy_index, link_config, phy->speed_cap_mask);
12175
12176         phy->req_duplex = DUPLEX_FULL;
12177         switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
12178         case PORT_FEATURE_LINK_SPEED_10M_HALF:
12179                 phy->req_duplex = DUPLEX_HALF;
12180         case PORT_FEATURE_LINK_SPEED_10M_FULL:
12181                 phy->req_line_speed = SPEED_10;
12182                 break;
12183         case PORT_FEATURE_LINK_SPEED_100M_HALF:
12184                 phy->req_duplex = DUPLEX_HALF;
12185         case PORT_FEATURE_LINK_SPEED_100M_FULL:
12186                 phy->req_line_speed = SPEED_100;
12187                 break;
12188         case PORT_FEATURE_LINK_SPEED_1G:
12189                 phy->req_line_speed = SPEED_1000;
12190                 break;
12191         case PORT_FEATURE_LINK_SPEED_2_5G:
12192                 phy->req_line_speed = SPEED_2500;
12193                 break;
12194         case PORT_FEATURE_LINK_SPEED_10G_CX4:
12195                 phy->req_line_speed = SPEED_10000;
12196                 break;
12197         default:
12198                 phy->req_line_speed = SPEED_AUTO_NEG;
12199                 break;
12200         }
12201
12202         switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
12203         case PORT_FEATURE_FLOW_CONTROL_AUTO:
12204                 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12205                 break;
12206         case PORT_FEATURE_FLOW_CONTROL_TX:
12207                 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12208                 break;
12209         case PORT_FEATURE_FLOW_CONTROL_RX:
12210                 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12211                 break;
12212         case PORT_FEATURE_FLOW_CONTROL_BOTH:
12213                 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12214                 break;
12215         default:
12216                 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12217                 break;
12218         }
12219 }
12220
12221 u32 bnx2x_phy_selection(struct link_params *params)
12222 {
12223         u32 phy_config_swapped, prio_cfg;
12224         u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12225
12226         phy_config_swapped = params->multi_phy_config &
12227                 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12228
12229         prio_cfg = params->multi_phy_config &
12230                         PORT_HW_CFG_PHY_SELECTION_MASK;
12231
12232         if (phy_config_swapped) {
12233                 switch (prio_cfg) {
12234                 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12235                      return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12236                      break;
12237                 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12238                      return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12239                      break;
12240                 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12241                      return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12242                      break;
12243                 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12244                      return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12245                      break;
12246                 }
12247         } else
12248                 return_cfg = prio_cfg;
12249
12250         return return_cfg;
12251 }
12252
12253 int bnx2x_phy_probe(struct link_params *params)
12254 {
12255         u8 phy_index, actual_phy_idx;
12256         u32 phy_config_swapped, sync_offset, media_types;
12257         struct bnx2x *bp = params->bp;
12258         struct bnx2x_phy *phy;
12259         params->num_phys = 0;
12260         DP(NETIF_MSG_LINK, "Begin phy probe\n");
12261         phy_config_swapped = params->multi_phy_config &
12262                 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12263
12264         for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12265               phy_index++) {
12266                 actual_phy_idx = phy_index;
12267                 if (phy_config_swapped) {
12268                         if (phy_index == EXT_PHY1)
12269                                 actual_phy_idx = EXT_PHY2;
12270                         else if (phy_index == EXT_PHY2)
12271                                 actual_phy_idx = EXT_PHY1;
12272                 }
12273                 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12274                                " actual_phy_idx %x\n", phy_config_swapped,
12275                            phy_index, actual_phy_idx);
12276                 phy = &params->phy[actual_phy_idx];
12277                 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12278                                        params->shmem2_base, params->port,
12279                                        phy) != 0) {
12280                         params->num_phys = 0;
12281                         DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12282                                    phy_index);
12283                         for (phy_index = INT_PHY;
12284                               phy_index < MAX_PHYS;
12285                               phy_index++)
12286                                 *phy = phy_null;
12287                         return -EINVAL;
12288                 }
12289                 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12290                         break;
12291
12292                 if (params->feature_config_flags &
12293                     FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12294                         phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12295
12296                 if (!(params->feature_config_flags &
12297                       FEATURE_CONFIG_MT_SUPPORT))
12298                         phy->flags |= FLAGS_MDC_MDIO_WA_G;
12299
12300                 sync_offset = params->shmem_base +
12301                         offsetof(struct shmem_region,
12302                         dev_info.port_hw_config[params->port].media_type);
12303                 media_types = REG_RD(bp, sync_offset);
12304
12305                 /* Update media type for non-PMF sync only for the first time
12306                  * In case the media type changes afterwards, it will be updated
12307                  * using the update_status function
12308                  */
12309                 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12310                                     (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12311                                      actual_phy_idx))) == 0) {
12312                         media_types |= ((phy->media_type &
12313                                         PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12314                                 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12315                                  actual_phy_idx));
12316                 }
12317                 REG_WR(bp, sync_offset, media_types);
12318
12319                 bnx2x_phy_def_cfg(params, phy, phy_index);
12320                 params->num_phys++;
12321         }
12322
12323         DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12324         return 0;
12325 }
12326
12327 static void bnx2x_init_bmac_loopback(struct link_params *params,
12328                                      struct link_vars *vars)
12329 {
12330         struct bnx2x *bp = params->bp;
12331                 vars->link_up = 1;
12332                 vars->line_speed = SPEED_10000;
12333                 vars->duplex = DUPLEX_FULL;
12334                 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12335                 vars->mac_type = MAC_TYPE_BMAC;
12336
12337                 vars->phy_flags = PHY_XGXS_FLAG;
12338
12339                 bnx2x_xgxs_deassert(params);
12340
12341                 /* Set bmac loopback */
12342                 bnx2x_bmac_enable(params, vars, 1, 1);
12343
12344                 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12345 }
12346
12347 static void bnx2x_init_emac_loopback(struct link_params *params,
12348                                      struct link_vars *vars)
12349 {
12350         struct bnx2x *bp = params->bp;
12351                 vars->link_up = 1;
12352                 vars->line_speed = SPEED_1000;
12353                 vars->duplex = DUPLEX_FULL;
12354                 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12355                 vars->mac_type = MAC_TYPE_EMAC;
12356
12357                 vars->phy_flags = PHY_XGXS_FLAG;
12358
12359                 bnx2x_xgxs_deassert(params);
12360                 /* Set bmac loopback */
12361                 bnx2x_emac_enable(params, vars, 1);
12362                 bnx2x_emac_program(params, vars);
12363                 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12364 }
12365
12366 static void bnx2x_init_xmac_loopback(struct link_params *params,
12367                                      struct link_vars *vars)
12368 {
12369         struct bnx2x *bp = params->bp;
12370         vars->link_up = 1;
12371         if (!params->req_line_speed[0])
12372                 vars->line_speed = SPEED_10000;
12373         else
12374                 vars->line_speed = params->req_line_speed[0];
12375         vars->duplex = DUPLEX_FULL;
12376         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12377         vars->mac_type = MAC_TYPE_XMAC;
12378         vars->phy_flags = PHY_XGXS_FLAG;
12379         /* Set WC to loopback mode since link is required to provide clock
12380          * to the XMAC in 20G mode
12381          */
12382         bnx2x_set_aer_mmd(params, &params->phy[0]);
12383         bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
12384         params->phy[INT_PHY].config_loopback(
12385                         &params->phy[INT_PHY],
12386                         params);
12387
12388         bnx2x_xmac_enable(params, vars, 1);
12389         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12390 }
12391
12392 static void bnx2x_init_umac_loopback(struct link_params *params,
12393                                      struct link_vars *vars)
12394 {
12395         struct bnx2x *bp = params->bp;
12396         vars->link_up = 1;
12397         vars->line_speed = SPEED_1000;
12398         vars->duplex = DUPLEX_FULL;
12399         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12400         vars->mac_type = MAC_TYPE_UMAC;
12401         vars->phy_flags = PHY_XGXS_FLAG;
12402         bnx2x_umac_enable(params, vars, 1);
12403
12404         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12405 }
12406
12407 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12408                                      struct link_vars *vars)
12409 {
12410         struct bnx2x *bp = params->bp;
12411         struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
12412         vars->link_up = 1;
12413         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12414         vars->duplex = DUPLEX_FULL;
12415         if (params->req_line_speed[0] == SPEED_1000)
12416                 vars->line_speed = SPEED_1000;
12417         else if ((params->req_line_speed[0] == SPEED_20000) ||
12418                  (int_phy->flags & FLAGS_WC_DUAL_MODE))
12419                 vars->line_speed = SPEED_20000;
12420         else
12421                 vars->line_speed = SPEED_10000;
12422
12423         if (!USES_WARPCORE(bp))
12424                 bnx2x_xgxs_deassert(params);
12425         bnx2x_link_initialize(params, vars);
12426
12427         if (params->req_line_speed[0] == SPEED_1000) {
12428                 if (USES_WARPCORE(bp))
12429                         bnx2x_umac_enable(params, vars, 0);
12430                 else {
12431                         bnx2x_emac_program(params, vars);
12432                         bnx2x_emac_enable(params, vars, 0);
12433                 }
12434         } else {
12435                 if (USES_WARPCORE(bp))
12436                         bnx2x_xmac_enable(params, vars, 0);
12437                 else
12438                         bnx2x_bmac_enable(params, vars, 0, 1);
12439         }
12440
12441         if (params->loopback_mode == LOOPBACK_XGXS) {
12442                 /* Set 10G XGXS loopback */
12443                 int_phy->config_loopback(int_phy, params);
12444         } else {
12445                 /* Set external phy loopback */
12446                 u8 phy_index;
12447                 for (phy_index = EXT_PHY1;
12448                       phy_index < params->num_phys; phy_index++)
12449                         if (params->phy[phy_index].config_loopback)
12450                                 params->phy[phy_index].config_loopback(
12451                                         &params->phy[phy_index],
12452                                         params);
12453         }
12454         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12455
12456         bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12457 }
12458
12459 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12460 {
12461         struct bnx2x *bp = params->bp;
12462         u8 val = en * 0x1F;
12463
12464         /* Open / close the gate between the NIG and the BRB */
12465         if (!CHIP_IS_E1x(bp))
12466                 val |= en * 0x20;
12467         REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12468
12469         if (!CHIP_IS_E1(bp)) {
12470                 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12471                        en*0x3);
12472         }
12473
12474         REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12475                     NIG_REG_LLH0_BRB1_NOT_MCP), en);
12476 }
12477 static int bnx2x_avoid_link_flap(struct link_params *params,
12478                                             struct link_vars *vars)
12479 {
12480         u32 phy_idx;
12481         u32 dont_clear_stat, lfa_sts;
12482         struct bnx2x *bp = params->bp;
12483
12484         bnx2x_set_mdio_emac_per_phy(bp, params);
12485         /* Sync the link parameters */
12486         bnx2x_link_status_update(params, vars);
12487
12488         /*
12489          * The module verification was already done by previous link owner,
12490          * so this call is meant only to get warning message
12491          */
12492
12493         for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12494                 struct bnx2x_phy *phy = &params->phy[phy_idx];
12495                 if (phy->phy_specific_func) {
12496                         DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12497                         phy->phy_specific_func(phy, params, PHY_INIT);
12498                 }
12499                 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12500                     (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12501                     (phy->media_type == ETH_PHY_DA_TWINAX))
12502                         bnx2x_verify_sfp_module(phy, params);
12503         }
12504         lfa_sts = REG_RD(bp, params->lfa_base +
12505                          offsetof(struct shmem_lfa,
12506                                   lfa_sts));
12507
12508         dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12509
12510         /* Re-enable the NIG/MAC */
12511         if (CHIP_IS_E3(bp)) {
12512                 if (!dont_clear_stat) {
12513                         REG_WR(bp, GRCBASE_MISC +
12514                                MISC_REGISTERS_RESET_REG_2_CLEAR,
12515                                (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12516                                 params->port));
12517                         REG_WR(bp, GRCBASE_MISC +
12518                                MISC_REGISTERS_RESET_REG_2_SET,
12519                                (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12520                                 params->port));
12521                 }
12522                 if (vars->line_speed < SPEED_10000)
12523                         bnx2x_umac_enable(params, vars, 0);
12524                 else
12525                         bnx2x_xmac_enable(params, vars, 0);
12526         } else {
12527                 if (vars->line_speed < SPEED_10000)
12528                         bnx2x_emac_enable(params, vars, 0);
12529                 else
12530                         bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12531         }
12532
12533         /* Increment LFA count */
12534         lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12535                    (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12536                        LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12537                     << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12538         /* Clear link flap reason */
12539         lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12540
12541         REG_WR(bp, params->lfa_base +
12542                offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12543
12544         /* Disable NIG DRAIN */
12545         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12546
12547         /* Enable interrupts */
12548         bnx2x_link_int_enable(params);
12549         return 0;
12550 }
12551
12552 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12553                                          struct link_vars *vars,
12554                                          int lfa_status)
12555 {
12556         u32 lfa_sts, cfg_idx, tmp_val;
12557         struct bnx2x *bp = params->bp;
12558
12559         bnx2x_link_reset(params, vars, 1);
12560
12561         if (!params->lfa_base)
12562                 return;
12563         /* Store the new link parameters */
12564         REG_WR(bp, params->lfa_base +
12565                offsetof(struct shmem_lfa, req_duplex),
12566                params->req_duplex[0] | (params->req_duplex[1] << 16));
12567
12568         REG_WR(bp, params->lfa_base +
12569                offsetof(struct shmem_lfa, req_flow_ctrl),
12570                params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12571
12572         REG_WR(bp, params->lfa_base +
12573                offsetof(struct shmem_lfa, req_line_speed),
12574                params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12575
12576         for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12577                 REG_WR(bp, params->lfa_base +
12578                        offsetof(struct shmem_lfa,
12579                                 speed_cap_mask[cfg_idx]),
12580                        params->speed_cap_mask[cfg_idx]);
12581         }
12582
12583         tmp_val = REG_RD(bp, params->lfa_base +
12584                          offsetof(struct shmem_lfa, additional_config));
12585         tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12586         tmp_val |= params->req_fc_auto_adv;
12587
12588         REG_WR(bp, params->lfa_base +
12589                offsetof(struct shmem_lfa, additional_config), tmp_val);
12590
12591         lfa_sts = REG_RD(bp, params->lfa_base +
12592                          offsetof(struct shmem_lfa, lfa_sts));
12593
12594         /* Clear the "Don't Clear Statistics" bit, and set reason */
12595         lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12596
12597         /* Set link flap reason */
12598         lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12599         lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12600                     LFA_LINK_FLAP_REASON_OFFSET);
12601
12602         /* Increment link flap counter */
12603         lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12604                    (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12605                        LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12606                     << LINK_FLAP_COUNT_OFFSET));
12607         REG_WR(bp, params->lfa_base +
12608                offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12609         /* Proceed with regular link initialization */
12610 }
12611
12612 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12613 {
12614         int lfa_status;
12615         struct bnx2x *bp = params->bp;
12616         DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12617         DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12618                    params->req_line_speed[0], params->req_flow_ctrl[0]);
12619         DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12620                    params->req_line_speed[1], params->req_flow_ctrl[1]);
12621         DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12622         vars->link_status = 0;
12623         vars->phy_link_up = 0;
12624         vars->link_up = 0;
12625         vars->line_speed = 0;
12626         vars->duplex = DUPLEX_FULL;
12627         vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12628         vars->mac_type = MAC_TYPE_NONE;
12629         vars->phy_flags = 0;
12630         vars->check_kr2_recovery_cnt = 0;
12631         params->link_flags = PHY_INITIALIZED;
12632         /* Driver opens NIG-BRB filters */
12633         bnx2x_set_rx_filter(params, 1);
12634         /* Check if link flap can be avoided */
12635         lfa_status = bnx2x_check_lfa(params);
12636
12637         if (lfa_status == 0) {
12638                 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12639                 return bnx2x_avoid_link_flap(params, vars);
12640         }
12641
12642         DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12643                        lfa_status);
12644         bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12645
12646         /* Disable attentions */
12647         bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12648                        (NIG_MASK_XGXS0_LINK_STATUS |
12649                         NIG_MASK_XGXS0_LINK10G |
12650                         NIG_MASK_SERDES0_LINK_STATUS |
12651                         NIG_MASK_MI_INT));
12652
12653         bnx2x_emac_init(params, vars);
12654
12655         if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12656                 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12657
12658         if (params->num_phys == 0) {
12659                 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12660                 return -EINVAL;
12661         }
12662         set_phy_vars(params, vars);
12663
12664         DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12665         switch (params->loopback_mode) {
12666         case LOOPBACK_BMAC:
12667                 bnx2x_init_bmac_loopback(params, vars);
12668                 break;
12669         case LOOPBACK_EMAC:
12670                 bnx2x_init_emac_loopback(params, vars);
12671                 break;
12672         case LOOPBACK_XMAC:
12673                 bnx2x_init_xmac_loopback(params, vars);
12674                 break;
12675         case LOOPBACK_UMAC:
12676                 bnx2x_init_umac_loopback(params, vars);
12677                 break;
12678         case LOOPBACK_XGXS:
12679         case LOOPBACK_EXT_PHY:
12680                 bnx2x_init_xgxs_loopback(params, vars);
12681                 break;
12682         default:
12683                 if (!CHIP_IS_E3(bp)) {
12684                         if (params->switch_cfg == SWITCH_CFG_10G)
12685                                 bnx2x_xgxs_deassert(params);
12686                         else
12687                                 bnx2x_serdes_deassert(bp, params->port);
12688                 }
12689                 bnx2x_link_initialize(params, vars);
12690                 msleep(30);
12691                 bnx2x_link_int_enable(params);
12692                 break;
12693         }
12694         bnx2x_update_mng(params, vars->link_status);
12695
12696         bnx2x_update_mng_eee(params, vars->eee_status);
12697         return 0;
12698 }
12699
12700 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12701                      u8 reset_ext_phy)
12702 {
12703         struct bnx2x *bp = params->bp;
12704         u8 phy_index, port = params->port, clear_latch_ind = 0;
12705         DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12706         /* Disable attentions */
12707         vars->link_status = 0;
12708         bnx2x_update_mng(params, vars->link_status);
12709         vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12710                               SHMEM_EEE_ACTIVE_BIT);
12711         bnx2x_update_mng_eee(params, vars->eee_status);
12712         bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12713                        (NIG_MASK_XGXS0_LINK_STATUS |
12714                         NIG_MASK_XGXS0_LINK10G |
12715                         NIG_MASK_SERDES0_LINK_STATUS |
12716                         NIG_MASK_MI_INT));
12717
12718         /* Activate nig drain */
12719         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12720
12721         /* Disable nig egress interface */
12722         if (!CHIP_IS_E3(bp)) {
12723                 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12724                 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12725         }
12726
12727                 if (!CHIP_IS_E3(bp)) {
12728                         bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12729                 } else {
12730                         bnx2x_set_xmac_rxtx(params, 0);
12731                         bnx2x_set_umac_rxtx(params, 0);
12732                 }
12733         /* Disable emac */
12734         if (!CHIP_IS_E3(bp))
12735                 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12736
12737         usleep_range(10000, 20000);
12738         /* The PHY reset is controlled by GPIO 1
12739          * Hold it as vars low
12740          */
12741          /* Clear link led */
12742         bnx2x_set_mdio_emac_per_phy(bp, params);
12743         bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12744
12745         if (reset_ext_phy) {
12746                 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12747                       phy_index++) {
12748                         if (params->phy[phy_index].link_reset) {
12749                                 bnx2x_set_aer_mmd(params,
12750                                                   &params->phy[phy_index]);
12751                                 params->phy[phy_index].link_reset(
12752                                         &params->phy[phy_index],
12753                                         params);
12754                         }
12755                         if (params->phy[phy_index].flags &
12756                             FLAGS_REARM_LATCH_SIGNAL)
12757                                 clear_latch_ind = 1;
12758                 }
12759         }
12760
12761         if (clear_latch_ind) {
12762                 /* Clear latching indication */
12763                 bnx2x_rearm_latch_signal(bp, port, 0);
12764                 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12765                                1 << NIG_LATCH_BC_ENABLE_MI_INT);
12766         }
12767         if (params->phy[INT_PHY].link_reset)
12768                 params->phy[INT_PHY].link_reset(
12769                         &params->phy[INT_PHY], params);
12770
12771         /* Disable nig ingress interface */
12772         if (!CHIP_IS_E3(bp)) {
12773                 /* Reset BigMac */
12774                 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12775                        (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12776                 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12777                 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12778         } else {
12779                 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12780                 bnx2x_set_xumac_nig(params, 0, 0);
12781                 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12782                     MISC_REGISTERS_RESET_REG_2_XMAC)
12783                         REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12784                                XMAC_CTRL_REG_SOFT_RESET);
12785         }
12786         vars->link_up = 0;
12787         vars->phy_flags = 0;
12788         return 0;
12789 }
12790 int bnx2x_lfa_reset(struct link_params *params,
12791                                struct link_vars *vars)
12792 {
12793         struct bnx2x *bp = params->bp;
12794         vars->link_up = 0;
12795         vars->phy_flags = 0;
12796         params->link_flags &= ~PHY_INITIALIZED;
12797         if (!params->lfa_base)
12798                 return bnx2x_link_reset(params, vars, 1);
12799         /*
12800          * Activate NIG drain so that during this time the device won't send
12801          * anything while it is unable to response.
12802          */
12803         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12804
12805         /*
12806          * Close gracefully the gate from BMAC to NIG such that no half packets
12807          * are passed.
12808          */
12809         if (!CHIP_IS_E3(bp))
12810                 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12811
12812         if (CHIP_IS_E3(bp)) {
12813                 bnx2x_set_xmac_rxtx(params, 0);
12814                 bnx2x_set_umac_rxtx(params, 0);
12815         }
12816         /* Wait 10ms for the pipe to clean up*/
12817         usleep_range(10000, 20000);
12818
12819         /* Clean the NIG-BRB using the network filters in a way that will
12820          * not cut a packet in the middle.
12821          */
12822         bnx2x_set_rx_filter(params, 0);
12823
12824         /*
12825          * Re-open the gate between the BMAC and the NIG, after verifying the
12826          * gate to the BRB is closed, otherwise packets may arrive to the
12827          * firmware before driver had initialized it. The target is to achieve
12828          * minimum management protocol down time.
12829          */
12830         if (!CHIP_IS_E3(bp))
12831                 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12832
12833         if (CHIP_IS_E3(bp)) {
12834                 bnx2x_set_xmac_rxtx(params, 1);
12835                 bnx2x_set_umac_rxtx(params, 1);
12836         }
12837         /* Disable NIG drain */
12838         REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12839         return 0;
12840 }
12841
12842 /****************************************************************************/
12843 /*                              Common function                             */
12844 /****************************************************************************/
12845 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12846                                       u32 shmem_base_path[],
12847                                       u32 shmem2_base_path[], u8 phy_index,
12848                                       u32 chip_id)
12849 {
12850         struct bnx2x_phy phy[PORT_MAX];
12851         struct bnx2x_phy *phy_blk[PORT_MAX];
12852         u16 val;
12853         s8 port = 0;
12854         s8 port_of_path = 0;
12855         u32 swap_val, swap_override;
12856         swap_val = REG_RD(bp,  NIG_REG_PORT_SWAP);
12857         swap_override = REG_RD(bp,  NIG_REG_STRAP_OVERRIDE);
12858         port ^= (swap_val && swap_override);
12859         bnx2x_ext_phy_hw_reset(bp, port);
12860         /* PART1 - Reset both phys */
12861         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12862                 u32 shmem_base, shmem2_base;
12863                 /* In E2, same phy is using for port0 of the two paths */
12864                 if (CHIP_IS_E1x(bp)) {
12865                         shmem_base = shmem_base_path[0];
12866                         shmem2_base = shmem2_base_path[0];
12867                         port_of_path = port;
12868                 } else {
12869                         shmem_base = shmem_base_path[port];
12870                         shmem2_base = shmem2_base_path[port];
12871                         port_of_path = 0;
12872                 }
12873
12874                 /* Extract the ext phy address for the port */
12875                 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12876                                        port_of_path, &phy[port]) !=
12877                     0) {
12878                         DP(NETIF_MSG_LINK, "populate_phy failed\n");
12879                         return -EINVAL;
12880                 }
12881                 /* Disable attentions */
12882                 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12883                                port_of_path*4,
12884                                (NIG_MASK_XGXS0_LINK_STATUS |
12885                                 NIG_MASK_XGXS0_LINK10G |
12886                                 NIG_MASK_SERDES0_LINK_STATUS |
12887                                 NIG_MASK_MI_INT));
12888
12889                 /* Need to take the phy out of low power mode in order
12890                  * to write to access its registers
12891                  */
12892                 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12893                                MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12894                                port);
12895
12896                 /* Reset the phy */
12897                 bnx2x_cl45_write(bp, &phy[port],
12898                                  MDIO_PMA_DEVAD,
12899                                  MDIO_PMA_REG_CTRL,
12900                                  1<<15);
12901         }
12902
12903         /* Add delay of 150ms after reset */
12904         msleep(150);
12905
12906         if (phy[PORT_0].addr & 0x1) {
12907                 phy_blk[PORT_0] = &(phy[PORT_1]);
12908                 phy_blk[PORT_1] = &(phy[PORT_0]);
12909         } else {
12910                 phy_blk[PORT_0] = &(phy[PORT_0]);
12911                 phy_blk[PORT_1] = &(phy[PORT_1]);
12912         }
12913
12914         /* PART2 - Download firmware to both phys */
12915         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12916                 if (CHIP_IS_E1x(bp))
12917                         port_of_path = port;
12918                 else
12919                         port_of_path = 0;
12920
12921                 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12922                            phy_blk[port]->addr);
12923                 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12924                                                       port_of_path))
12925                         return -EINVAL;
12926
12927                 /* Only set bit 10 = 1 (Tx power down) */
12928                 bnx2x_cl45_read(bp, phy_blk[port],
12929                                 MDIO_PMA_DEVAD,
12930                                 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12931
12932                 /* Phase1 of TX_POWER_DOWN reset */
12933                 bnx2x_cl45_write(bp, phy_blk[port],
12934                                  MDIO_PMA_DEVAD,
12935                                  MDIO_PMA_REG_TX_POWER_DOWN,
12936                                  (val | 1<<10));
12937         }
12938
12939         /* Toggle Transmitter: Power down and then up with 600ms delay
12940          * between
12941          */
12942         msleep(600);
12943
12944         /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12945         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12946                 /* Phase2 of POWER_DOWN_RESET */
12947                 /* Release bit 10 (Release Tx power down) */
12948                 bnx2x_cl45_read(bp, phy_blk[port],
12949                                 MDIO_PMA_DEVAD,
12950                                 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12951
12952                 bnx2x_cl45_write(bp, phy_blk[port],
12953                                 MDIO_PMA_DEVAD,
12954                                 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12955                 usleep_range(15000, 30000);
12956
12957                 /* Read modify write the SPI-ROM version select register */
12958                 bnx2x_cl45_read(bp, phy_blk[port],
12959                                 MDIO_PMA_DEVAD,
12960                                 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12961                 bnx2x_cl45_write(bp, phy_blk[port],
12962                                  MDIO_PMA_DEVAD,
12963                                  MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12964
12965                 /* set GPIO2 back to LOW */
12966                 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12967                                MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12968         }
12969         return 0;
12970 }
12971 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12972                                       u32 shmem_base_path[],
12973                                       u32 shmem2_base_path[], u8 phy_index,
12974                                       u32 chip_id)
12975 {
12976         u32 val;
12977         s8 port;
12978         struct bnx2x_phy phy;
12979         /* Use port1 because of the static port-swap */
12980         /* Enable the module detection interrupt */
12981         val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12982         val |= ((1<<MISC_REGISTERS_GPIO_3)|
12983                 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12984         REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12985
12986         bnx2x_ext_phy_hw_reset(bp, 0);
12987         usleep_range(5000, 10000);
12988         for (port = 0; port < PORT_MAX; port++) {
12989                 u32 shmem_base, shmem2_base;
12990
12991                 /* In E2, same phy is using for port0 of the two paths */
12992                 if (CHIP_IS_E1x(bp)) {
12993                         shmem_base = shmem_base_path[0];
12994                         shmem2_base = shmem2_base_path[0];
12995                 } else {
12996                         shmem_base = shmem_base_path[port];
12997                         shmem2_base = shmem2_base_path[port];
12998                 }
12999                 /* Extract the ext phy address for the port */
13000                 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13001                                        port, &phy) !=
13002                     0) {
13003                         DP(NETIF_MSG_LINK, "populate phy failed\n");
13004                         return -EINVAL;
13005                 }
13006
13007                 /* Reset phy*/
13008                 bnx2x_cl45_write(bp, &phy,
13009                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13010
13011
13012                 /* Set fault module detected LED on */
13013                 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13014                                MISC_REGISTERS_GPIO_HIGH,
13015                                port);
13016         }
13017
13018         return 0;
13019 }
13020 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13021                                          u8 *io_gpio, u8 *io_port)
13022 {
13023
13024         u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13025                                           offsetof(struct shmem_region,
13026                                 dev_info.port_hw_config[PORT_0].default_cfg));
13027         switch (phy_gpio_reset) {
13028         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13029                 *io_gpio = 0;
13030                 *io_port = 0;
13031                 break;
13032         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13033                 *io_gpio = 1;
13034                 *io_port = 0;
13035                 break;
13036         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13037                 *io_gpio = 2;
13038                 *io_port = 0;
13039                 break;
13040         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13041                 *io_gpio = 3;
13042                 *io_port = 0;
13043                 break;
13044         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13045                 *io_gpio = 0;
13046                 *io_port = 1;
13047                 break;
13048         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13049                 *io_gpio = 1;
13050                 *io_port = 1;
13051                 break;
13052         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13053                 *io_gpio = 2;
13054                 *io_port = 1;
13055                 break;
13056         case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13057                 *io_gpio = 3;
13058                 *io_port = 1;
13059                 break;
13060         default:
13061                 /* Don't override the io_gpio and io_port */
13062                 break;
13063         }
13064 }
13065
13066 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13067                                       u32 shmem_base_path[],
13068                                       u32 shmem2_base_path[], u8 phy_index,
13069                                       u32 chip_id)
13070 {
13071         s8 port, reset_gpio;
13072         u32 swap_val, swap_override;
13073         struct bnx2x_phy phy[PORT_MAX];
13074         struct bnx2x_phy *phy_blk[PORT_MAX];
13075         s8 port_of_path;
13076         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13077         swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13078
13079         reset_gpio = MISC_REGISTERS_GPIO_1;
13080         port = 1;
13081
13082         /* Retrieve the reset gpio/port which control the reset.
13083          * Default is GPIO1, PORT1
13084          */
13085         bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13086                                      (u8 *)&reset_gpio, (u8 *)&port);
13087
13088         /* Calculate the port based on port swap */
13089         port ^= (swap_val && swap_override);
13090
13091         /* Initiate PHY reset*/
13092         bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13093                        port);
13094         usleep_range(1000, 2000);
13095         bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13096                        port);
13097
13098         usleep_range(5000, 10000);
13099
13100         /* PART1 - Reset both phys */
13101         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13102                 u32 shmem_base, shmem2_base;
13103
13104                 /* In E2, same phy is using for port0 of the two paths */
13105                 if (CHIP_IS_E1x(bp)) {
13106                         shmem_base = shmem_base_path[0];
13107                         shmem2_base = shmem2_base_path[0];
13108                         port_of_path = port;
13109                 } else {
13110                         shmem_base = shmem_base_path[port];
13111                         shmem2_base = shmem2_base_path[port];
13112                         port_of_path = 0;
13113                 }
13114
13115                 /* Extract the ext phy address for the port */
13116                 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13117                                        port_of_path, &phy[port]) !=
13118                                        0) {
13119                         DP(NETIF_MSG_LINK, "populate phy failed\n");
13120                         return -EINVAL;
13121                 }
13122                 /* disable attentions */
13123                 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13124                                port_of_path*4,
13125                                (NIG_MASK_XGXS0_LINK_STATUS |
13126                                 NIG_MASK_XGXS0_LINK10G |
13127                                 NIG_MASK_SERDES0_LINK_STATUS |
13128                                 NIG_MASK_MI_INT));
13129
13130
13131                 /* Reset the phy */
13132                 bnx2x_cl45_write(bp, &phy[port],
13133                                  MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13134         }
13135
13136         /* Add delay of 150ms after reset */
13137         msleep(150);
13138         if (phy[PORT_0].addr & 0x1) {
13139                 phy_blk[PORT_0] = &(phy[PORT_1]);
13140                 phy_blk[PORT_1] = &(phy[PORT_0]);
13141         } else {
13142                 phy_blk[PORT_0] = &(phy[PORT_0]);
13143                 phy_blk[PORT_1] = &(phy[PORT_1]);
13144         }
13145         /* PART2 - Download firmware to both phys */
13146         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13147                 if (CHIP_IS_E1x(bp))
13148                         port_of_path = port;
13149                 else
13150                         port_of_path = 0;
13151                 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13152                            phy_blk[port]->addr);
13153                 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13154                                                       port_of_path))
13155                         return -EINVAL;
13156                 /* Disable PHY transmitter output */
13157                 bnx2x_cl45_write(bp, phy_blk[port],
13158                                  MDIO_PMA_DEVAD,
13159                                  MDIO_PMA_REG_TX_DISABLE, 1);
13160
13161         }
13162         return 0;
13163 }
13164
13165 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13166                                                 u32 shmem_base_path[],
13167                                                 u32 shmem2_base_path[],
13168                                                 u8 phy_index,
13169                                                 u32 chip_id)
13170 {
13171         u8 reset_gpios;
13172         reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13173         bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13174         udelay(10);
13175         bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13176         DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13177                 reset_gpios);
13178         return 0;
13179 }
13180
13181 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13182                                      u32 shmem2_base_path[], u8 phy_index,
13183                                      u32 ext_phy_type, u32 chip_id)
13184 {
13185         int rc = 0;
13186
13187         switch (ext_phy_type) {
13188         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13189                 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13190                                                 shmem2_base_path,
13191                                                 phy_index, chip_id);
13192                 break;
13193         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13194         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13195         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13196                 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13197                                                 shmem2_base_path,
13198                                                 phy_index, chip_id);
13199                 break;
13200
13201         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13202                 /* GPIO1 affects both ports, so there's need to pull
13203                  * it for single port alone
13204                  */
13205                 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13206                                                 shmem2_base_path,
13207                                                 phy_index, chip_id);
13208                 break;
13209         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13210         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13211                 /* GPIO3's are linked, and so both need to be toggled
13212                  * to obtain required 2us pulse.
13213                  */
13214                 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13215                                                 shmem2_base_path,
13216                                                 phy_index, chip_id);
13217                 break;
13218         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13219                 rc = -EINVAL;
13220                 break;
13221         default:
13222                 DP(NETIF_MSG_LINK,
13223                            "ext_phy 0x%x common init not required\n",
13224                            ext_phy_type);
13225                 break;
13226         }
13227
13228         if (rc)
13229                 netdev_err(bp->dev,  "Warning: PHY was not initialized,"
13230                                       " Port %d\n",
13231                          0);
13232         return rc;
13233 }
13234
13235 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13236                           u32 shmem2_base_path[], u32 chip_id)
13237 {
13238         int rc = 0;
13239         u32 phy_ver, val;
13240         u8 phy_index = 0;
13241         u32 ext_phy_type, ext_phy_config;
13242
13243         bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13244         bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13245         DP(NETIF_MSG_LINK, "Begin common phy init\n");
13246         if (CHIP_IS_E3(bp)) {
13247                 /* Enable EPIO */
13248                 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13249                 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13250         }
13251         /* Check if common init was already done */
13252         phy_ver = REG_RD(bp, shmem_base_path[0] +
13253                          offsetof(struct shmem_region,
13254                                   port_mb[PORT_0].ext_phy_fw_version));
13255         if (phy_ver) {
13256                 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13257                                phy_ver);
13258                 return 0;
13259         }
13260
13261         /* Read the ext_phy_type for arbitrary port(0) */
13262         for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13263               phy_index++) {
13264                 ext_phy_config = bnx2x_get_ext_phy_config(bp,
13265                                                           shmem_base_path[0],
13266                                                           phy_index, 0);
13267                 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13268                 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13269                                                 shmem2_base_path,
13270                                                 phy_index, ext_phy_type,
13271                                                 chip_id);
13272         }
13273         return rc;
13274 }
13275
13276 static void bnx2x_check_over_curr(struct link_params *params,
13277                                   struct link_vars *vars)
13278 {
13279         struct bnx2x *bp = params->bp;
13280         u32 cfg_pin;
13281         u8 port = params->port;
13282         u32 pin_val;
13283
13284         cfg_pin = (REG_RD(bp, params->shmem_base +
13285                           offsetof(struct shmem_region,
13286                                dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13287                    PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13288                 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13289
13290         /* Ignore check if no external input PIN available */
13291         if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13292                 return;
13293
13294         if (!pin_val) {
13295                 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13296                         netdev_err(bp->dev, "Error:  Power fault on Port %d has"
13297                                             " been detected and the power to "
13298                                             "that SFP+ module has been removed"
13299                                             " to prevent failure of the card."
13300                                             " Please remove the SFP+ module and"
13301                                             " restart the system to clear this"
13302                                             " error.\n",
13303                          params->port);
13304                         vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13305                         bnx2x_warpcore_power_module(params, 0);
13306                 }
13307         } else
13308                 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13309 }
13310
13311 /* Returns 0 if no change occured since last check; 1 otherwise. */
13312 static u8 bnx2x_analyze_link_error(struct link_params *params,
13313                                     struct link_vars *vars, u32 status,
13314                                     u32 phy_flag, u32 link_flag, u8 notify)
13315 {
13316         struct bnx2x *bp = params->bp;
13317         /* Compare new value with previous value */
13318         u8 led_mode;
13319         u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13320
13321         if ((status ^ old_status) == 0)
13322                 return 0;
13323
13324         /* If values differ */
13325         switch (phy_flag) {
13326         case PHY_HALF_OPEN_CONN_FLAG:
13327                 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13328                 break;
13329         case PHY_SFP_TX_FAULT_FLAG:
13330                 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13331                 break;
13332         default:
13333                 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13334         }
13335         DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13336            old_status, status);
13337
13338         /* Do not touch the link in case physical link down */
13339         if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13340                 return 1;
13341
13342         /* a. Update shmem->link_status accordingly
13343          * b. Update link_vars->link_up
13344          */
13345         if (status) {
13346                 vars->link_status &= ~LINK_STATUS_LINK_UP;
13347                 vars->link_status |= link_flag;
13348                 vars->link_up = 0;
13349                 vars->phy_flags |= phy_flag;
13350
13351                 /* activate nig drain */
13352                 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13353                 /* Set LED mode to off since the PHY doesn't know about these
13354                  * errors
13355                  */
13356                 led_mode = LED_MODE_OFF;
13357         } else {
13358                 vars->link_status |= LINK_STATUS_LINK_UP;
13359                 vars->link_status &= ~link_flag;
13360                 vars->link_up = 1;
13361                 vars->phy_flags &= ~phy_flag;
13362                 led_mode = LED_MODE_OPER;
13363
13364                 /* Clear nig drain */
13365                 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13366         }
13367         bnx2x_sync_link(params, vars);
13368         /* Update the LED according to the link state */
13369         bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13370
13371         /* Update link status in the shared memory */
13372         bnx2x_update_mng(params, vars->link_status);
13373
13374         /* C. Trigger General Attention */
13375         vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13376         if (notify)
13377                 bnx2x_notify_link_changed(bp);
13378
13379         return 1;
13380 }
13381
13382 /******************************************************************************
13383 * Description:
13384 *       This function checks for half opened connection change indication.
13385 *       When such change occurs, it calls the bnx2x_analyze_link_error
13386 *       to check if Remote Fault is set or cleared. Reception of remote fault
13387 *       status message in the MAC indicates that the peer's MAC has detected
13388 *       a fault, for example, due to break in the TX side of fiber.
13389 *
13390 ******************************************************************************/
13391 static int bnx2x_check_half_open_conn(struct link_params *params,
13392                                       struct link_vars *vars,
13393                                       u8 notify)
13394 {
13395         struct bnx2x *bp = params->bp;
13396         u32 lss_status = 0;
13397         u32 mac_base;
13398         /* In case link status is physically up @ 10G do */
13399         if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13400             (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13401                 return 0;
13402
13403         if (CHIP_IS_E3(bp) &&
13404             (REG_RD(bp, MISC_REG_RESET_REG_2) &
13405               (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13406                 /* Check E3 XMAC */
13407                 /* Note that link speed cannot be queried here, since it may be
13408                  * zero while link is down. In case UMAC is active, LSS will
13409                  * simply not be set
13410                  */
13411                 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13412
13413                 /* Clear stick bits (Requires rising edge) */
13414                 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13415                 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13416                        XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13417                        XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13418                 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13419                         lss_status = 1;
13420
13421                 bnx2x_analyze_link_error(params, vars, lss_status,
13422                                          PHY_HALF_OPEN_CONN_FLAG,
13423                                          LINK_STATUS_NONE, notify);
13424         } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13425                    (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13426                 /* Check E1X / E2 BMAC */
13427                 u32 lss_status_reg;
13428                 u32 wb_data[2];
13429                 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13430                         NIG_REG_INGRESS_BMAC0_MEM;
13431                 /*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
13432                 if (CHIP_IS_E2(bp))
13433                         lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13434                 else
13435                         lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13436
13437                 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13438                 lss_status = (wb_data[0] > 0);
13439
13440                 bnx2x_analyze_link_error(params, vars, lss_status,
13441                                          PHY_HALF_OPEN_CONN_FLAG,
13442                                          LINK_STATUS_NONE, notify);
13443         }
13444         return 0;
13445 }
13446 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13447                                          struct link_params *params,
13448                                          struct link_vars *vars)
13449 {
13450         struct bnx2x *bp = params->bp;
13451         u32 cfg_pin, value = 0;
13452         u8 led_change, port = params->port;
13453
13454         /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13455         cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13456                           dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13457                    PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13458                   PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13459
13460         if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13461                 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13462                 return;
13463         }
13464
13465         led_change = bnx2x_analyze_link_error(params, vars, value,
13466                                               PHY_SFP_TX_FAULT_FLAG,
13467                                               LINK_STATUS_SFP_TX_FAULT, 1);
13468
13469         if (led_change) {
13470                 /* Change TX_Fault led, set link status for further syncs */
13471                 u8 led_mode;
13472
13473                 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13474                         led_mode = MISC_REGISTERS_GPIO_HIGH;
13475                         vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13476                 } else {
13477                         led_mode = MISC_REGISTERS_GPIO_LOW;
13478                         vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13479                 }
13480
13481                 /* If module is unapproved, led should be on regardless */
13482                 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13483                         DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13484                            led_mode);
13485                         bnx2x_set_e3_module_fault_led(params, led_mode);
13486                 }
13487         }
13488 }
13489 static void bnx2x_kr2_recovery(struct link_params *params,
13490                                struct link_vars *vars,
13491                                struct bnx2x_phy *phy)
13492 {
13493         struct bnx2x *bp = params->bp;
13494         DP(NETIF_MSG_LINK, "KR2 recovery\n");
13495         bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13496         bnx2x_warpcore_restart_AN_KR(phy, params);
13497 }
13498
13499 static void bnx2x_check_kr2_wa(struct link_params *params,
13500                                struct link_vars *vars,
13501                                struct bnx2x_phy *phy)
13502 {
13503         struct bnx2x *bp = params->bp;
13504         u16 base_page, next_page, not_kr2_device, lane;
13505         int sigdet;
13506
13507         /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13508          * Since some switches tend to reinit the AN process and clear the
13509          * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13510          * and recovered many times
13511          */
13512         if (vars->check_kr2_recovery_cnt > 0) {
13513                 vars->check_kr2_recovery_cnt--;
13514                 return;
13515         }
13516
13517         sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13518         if (!sigdet) {
13519                 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13520                         bnx2x_kr2_recovery(params, vars, phy);
13521                         DP(NETIF_MSG_LINK, "No sigdet\n");
13522                 }
13523                 return;
13524         }
13525
13526         lane = bnx2x_get_warpcore_lane(phy, params);
13527         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13528                           MDIO_AER_BLOCK_AER_REG, lane);
13529         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13530                         MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13531         bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13532                         MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13533         bnx2x_set_aer_mmd(params, phy);
13534
13535         /* CL73 has not begun yet */
13536         if (base_page == 0) {
13537                 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13538                         bnx2x_kr2_recovery(params, vars, phy);
13539                         DP(NETIF_MSG_LINK, "No BP\n");
13540                 }
13541                 return;
13542         }
13543
13544         /* In case NP bit is not set in the BasePage, or it is set,
13545          * but only KX is advertised, declare this link partner as non-KR2
13546          * device.
13547          */
13548         not_kr2_device = (((base_page & 0x8000) == 0) ||
13549                           (((base_page & 0x8000) &&
13550                             ((next_page & 0xe0) == 0x20))));
13551
13552         /* In case KR2 is already disabled, check if we need to re-enable it */
13553         if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13554                 if (!not_kr2_device) {
13555                         DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13556                            next_page);
13557                         bnx2x_kr2_recovery(params, vars, phy);
13558                 }
13559                 return;
13560         }
13561         /* KR2 is enabled, but not KR2 device */
13562         if (not_kr2_device) {
13563                 /* Disable KR2 on both lanes */
13564                 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13565                 bnx2x_disable_kr2(params, vars, phy);
13566                 /* Restart AN on leading lane */
13567                 bnx2x_warpcore_restart_AN_KR(phy, params);
13568                 return;
13569         }
13570 }
13571
13572 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13573 {
13574         u16 phy_idx;
13575         struct bnx2x *bp = params->bp;
13576         for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13577                 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13578                         bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
13579                         if (bnx2x_check_half_open_conn(params, vars, 1) !=
13580                             0)
13581                                 DP(NETIF_MSG_LINK, "Fault detection failed\n");
13582                         break;
13583                 }
13584         }
13585
13586         if (CHIP_IS_E3(bp)) {
13587                 struct bnx2x_phy *phy = &params->phy[INT_PHY];
13588                 bnx2x_set_aer_mmd(params, phy);
13589                 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13590                     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13591                         bnx2x_check_kr2_wa(params, vars, phy);
13592                 bnx2x_check_over_curr(params, vars);
13593                 if (vars->rx_tx_asic_rst)
13594                         bnx2x_warpcore_config_runtime(phy, params, vars);
13595
13596                 if ((REG_RD(bp, params->shmem_base +
13597                             offsetof(struct shmem_region, dev_info.
13598                                 port_hw_config[params->port].default_cfg))
13599                     & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13600                     PORT_HW_CFG_NET_SERDES_IF_SFI) {
13601                         if (bnx2x_is_sfp_module_plugged(phy, params)) {
13602                                 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13603                         } else if (vars->link_status &
13604                                 LINK_STATUS_SFP_TX_FAULT) {
13605                                 /* Clean trail, interrupt corrects the leds */
13606                                 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13607                                 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13608                                 /* Update link status in the shared memory */
13609                                 bnx2x_update_mng(params, vars->link_status);
13610                         }
13611                 }
13612         }
13613 }
13614
13615 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13616                              u32 shmem_base,
13617                              u32 shmem2_base,
13618                              u8 port)
13619 {
13620         u8 phy_index, fan_failure_det_req = 0;
13621         struct bnx2x_phy phy;
13622         for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13623               phy_index++) {
13624                 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13625                                        port, &phy)
13626                     != 0) {
13627                         DP(NETIF_MSG_LINK, "populate phy failed\n");
13628                         return 0;
13629                 }
13630                 fan_failure_det_req |= (phy.flags &
13631                                         FLAGS_FAN_FAILURE_DET_REQ);
13632         }
13633         return fan_failure_det_req;
13634 }
13635
13636 void bnx2x_hw_reset_phy(struct link_params *params)
13637 {
13638         u8 phy_index;
13639         struct bnx2x *bp = params->bp;
13640         bnx2x_update_mng(params, 0);
13641         bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13642                        (NIG_MASK_XGXS0_LINK_STATUS |
13643                         NIG_MASK_XGXS0_LINK10G |
13644                         NIG_MASK_SERDES0_LINK_STATUS |
13645                         NIG_MASK_MI_INT));
13646
13647         for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13648               phy_index++) {
13649                 if (params->phy[phy_index].hw_reset) {
13650                         params->phy[phy_index].hw_reset(
13651                                 &params->phy[phy_index],
13652                                 params);
13653                         params->phy[phy_index] = phy_null;
13654                 }
13655         }
13656 }
13657
13658 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13659                             u32 chip_id, u32 shmem_base, u32 shmem2_base,
13660                             u8 port)
13661 {
13662         u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13663         u32 val;
13664         u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13665         if (CHIP_IS_E3(bp)) {
13666                 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13667                                               shmem_base,
13668                                               port,
13669                                               &gpio_num,
13670                                               &gpio_port) != 0)
13671                         return;
13672         } else {
13673                 struct bnx2x_phy phy;
13674                 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13675                       phy_index++) {
13676                         if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13677                                                shmem2_base, port, &phy)
13678                             != 0) {
13679                                 DP(NETIF_MSG_LINK, "populate phy failed\n");
13680                                 return;
13681                         }
13682                         if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13683                                 gpio_num = MISC_REGISTERS_GPIO_3;
13684                                 gpio_port = port;
13685                                 break;
13686                         }
13687                 }
13688         }
13689
13690         if (gpio_num == 0xff)
13691                 return;
13692
13693         /* Set GPIO3 to trigger SFP+ module insertion/removal */
13694         bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13695
13696         swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13697         swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13698         gpio_port ^= (swap_val && swap_override);
13699
13700         vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13701                 (gpio_num + (gpio_port << 2));
13702
13703         sync_offset = shmem_base +
13704                 offsetof(struct shmem_region,
13705                          dev_info.port_hw_config[port].aeu_int_mask);
13706         REG_WR(bp, sync_offset, vars->aeu_int_mask);
13707
13708         DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13709                        gpio_num, gpio_port, vars->aeu_int_mask);
13710
13711         if (port == 0)
13712                 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13713         else
13714                 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13715
13716         /* Open appropriate AEU for interrupts */
13717         aeu_mask = REG_RD(bp, offset);
13718         aeu_mask |= vars->aeu_int_mask;
13719         REG_WR(bp, offset, aeu_mask);
13720
13721         /* Enable the GPIO to trigger interrupt */
13722         val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13723         val |= 1 << (gpio_num + (gpio_port << 2));
13724         REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13725 }