arch/mips/alchemy/devboards/db1300.c

   1 /*
   2  * DBAu1300 init and platform device setup.
   3  *
   4  * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
   5  */
   6
   7 #include <linux/clk.h>
   8 #include <linux/dma-mapping.h>
   9 #include <linux/gpio.h>
  10 #include <linux/gpio_keys.h>
  11 #include <linux/init.h>
  12 #include <linux/input.h>        /* KEY_* codes */
  13 #include <linux/i2c.h>
  14 #include <linux/io.h>
  15 #include <linux/leds.h>
  16 #include <linux/ata_platform.h>
  17 #include <linux/mmc/host.h>
  18 #include <linux/module.h>
  19 #include <linux/mtd/mtd.h>
  20 #include <linux/mtd/nand.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/smsc911x.h>
  24
  25 #include <asm/mach-au1x00/au1000.h>
  26 #include <asm/mach-au1x00/au1100_mmc.h>
  27 #include <asm/mach-au1x00/au1200fb.h>
  28 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  29 #include <asm/mach-au1x00/au1xxx_psc.h>
  30 #include <asm/mach-db1x00/bcsr.h>
  31 #include <asm/mach-au1x00/prom.h>
  32
  33 #include "platform.h"
  34
  35 /* FPGA (external mux) interrupt sources */
  36 #define DB1300_FIRST_INT        (ALCHEMY_GPIC_INT_LAST + 1)
  37 #define DB1300_IDE_INT          (DB1300_FIRST_INT + 0)
  38 #define DB1300_ETH_INT          (DB1300_FIRST_INT + 1)
  39 #define DB1300_CF_INT           (DB1300_FIRST_INT + 2)
  40 #define DB1300_VIDEO_INT        (DB1300_FIRST_INT + 4)
  41 #define DB1300_HDMI_INT         (DB1300_FIRST_INT + 5)
  42 #define DB1300_DC_INT           (DB1300_FIRST_INT + 6)
  43 #define DB1300_FLASH_INT        (DB1300_FIRST_INT + 7)
  44 #define DB1300_CF_INSERT_INT    (DB1300_FIRST_INT + 8)
  45 #define DB1300_CF_EJECT_INT     (DB1300_FIRST_INT + 9)
  46 #define DB1300_AC97_INT         (DB1300_FIRST_INT + 10)
  47 #define DB1300_AC97_PEN_INT     (DB1300_FIRST_INT + 11)
  48 #define DB1300_SD1_INSERT_INT   (DB1300_FIRST_INT + 12)
  49 #define DB1300_SD1_EJECT_INT    (DB1300_FIRST_INT + 13)
  50 #define DB1300_OTG_VBUS_OC_INT  (DB1300_FIRST_INT + 14)
  51 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
  52 #define DB1300_LAST_INT         (DB1300_FIRST_INT + 15)
  53
  54 /* SMSC9210 CS */
  55 #define DB1300_ETH_PHYS_ADDR    0x19000000
  56 #define DB1300_ETH_PHYS_END     0x197fffff
  57
  58 /* ATA CS */
  59 #define DB1300_IDE_PHYS_ADDR    0x18800000
  60 #define DB1300_IDE_REG_SHIFT    5
  61 #define DB1300_IDE_PHYS_LEN     (16 << DB1300_IDE_REG_SHIFT)
  62
  63 /* NAND CS */
  64 #define DB1300_NAND_PHYS_ADDR   0x20000000
  65 #define DB1300_NAND_PHYS_END    0x20000fff
  66
  67
  68 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
  69         { I2C_BOARD_INFO("wm8731", 0x1b), },    /* I2S audio codec */
  70         { I2C_BOARD_INFO("ne1619", 0x2d), },    /* adm1025-compat hwmon */
  71 };
  72
  73 /* multifunction pins to assign to GPIO controller */
  74 static int db1300_gpio_pins[] __initdata = {
  75         AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
  76         AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
  77         AU1300_PIN_EXTCLK1,
  78         -1,     /* terminator */
  79 };
  80
  81 /* multifunction pins to assign to device functions */
  82 static int db1300_dev_pins[] __initdata = {
  83         /* wake-from-str pins 0-3 */
  84         AU1300_PIN_WAKE0,
  85         /* external clock sources for PSC0 */
  86         AU1300_PIN_EXTCLK0,
  87         /* 8bit MMC interface on SD0: 6-9 */
  88         AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
  89         AU1300_PIN_SD0DAT7,
  90         /* UART1 pins: 11-18 */
  91         AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
  92         AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
  93         AU1300_PIN_U1RX, AU1300_PIN_U1TX,
  94         /* UART0 pins: 19-24 */
  95         AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
  96         AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
  97         /* UART2: 25-26 */
  98         AU1300_PIN_U2RX, AU1300_PIN_U2TX,
  99         /* UART3: 27-28 */
 100         AU1300_PIN_U3RX, AU1300_PIN_U3TX,
 101         /* LCD controller PWMs, ext pixclock: 30-31 */
 102         AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
 103         /* SD1 interface: 32-37 */
 104         AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
 105         AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
 106         /* SD2 interface: 38-43 */
 107         AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
 108         AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
 109         /* PSC0/1 clocks: 44-45 */
 110         AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
 111         /* PSCs: 46-49/50-53/54-57/58-61 */
 112         AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
 113         AU1300_PIN_PSC0D1,
 114         AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
 115         AU1300_PIN_PSC1D1,
 116         AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
 117         AU1300_PIN_PSC2D1,
 118         AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
 119         AU1300_PIN_PSC3D1,
 120         /* PCMCIA interface: 62-70 */
 121         AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
 122         AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
 123         AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
 124         /* camera interface H/V sync inputs: 71-72 */
 125         AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
 126         /* PSC2/3 clocks: 73-74 */
 127         AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
 128         -1,     /* terminator */
 129 };
 130
 131 static void __init db1300_gpio_config(void)
 132 {
 133         int *i;
 134
 135         i = &db1300_dev_pins[0];
 136         while (*i != -1)
 137                 au1300_pinfunc_to_dev(*i++);
 138
 139         i = &db1300_gpio_pins[0];
 140         while (*i != -1)
 141                 au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
 142
 143         au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
 144 }
 145
 146 /**********************************************************************/
 147
 148 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 149                                  unsigned int ctrl)
 150 {
 151         struct nand_chip *this = mtd->priv;
 152         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 153
 154         ioaddr &= 0xffffff00;
 155
 156         if (ctrl & NAND_CLE) {
 157                 ioaddr += MEM_STNAND_CMD;
 158         } else if (ctrl & NAND_ALE) {
 159                 ioaddr += MEM_STNAND_ADDR;
 160         } else {
 161                 /* assume we want to r/w real data  by default */
 162                 ioaddr += MEM_STNAND_DATA;
 163         }
 164         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
 165         if (cmd != NAND_CMD_NONE) {
 166                 __raw_writeb(cmd, this->IO_ADDR_W);
 167                 wmb();
 168         }
 169 }
 170
 171 static int au1300_nand_device_ready(struct mtd_info *mtd)
 172 {
 173         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
 174 }
 175
 176 static struct mtd_partition db1300_nand_parts[] = {
 177         {
 178                 .name   = "NAND FS 0",
 179                 .offset = 0,
 180                 .size   = 8 * 1024 * 1024,
 181         },
 182         {
 183                 .name   = "NAND FS 1",
 184                 .offset = MTDPART_OFS_APPEND,
 185                 .size   = MTDPART_SIZ_FULL
 186         },
 187 };
 188
 189 struct platform_nand_data db1300_nand_platdata = {
 190         .chip = {
 191                 .nr_chips       = 1,
 192                 .chip_offset    = 0,
 193                 .nr_partitions  = ARRAY_SIZE(db1300_nand_parts),
 194                 .partitions     = db1300_nand_parts,
 195                 .chip_delay     = 20,
 196         },
 197         .ctrl = {
 198                 .dev_ready      = au1300_nand_device_ready,
 199                 .cmd_ctrl       = au1300_nand_cmd_ctrl,
 200         },
 201 };
 202
 203 static struct resource db1300_nand_res[] = {
 204         [0] = {
 205                 .start  = DB1300_NAND_PHYS_ADDR,
 206                 .end    = DB1300_NAND_PHYS_ADDR + 0xff,
 207                 .flags  = IORESOURCE_MEM,
 208         },
 209 };
 210
 211 static struct platform_device db1300_nand_dev = {
 212         .name           = "gen_nand",
 213         .num_resources  = ARRAY_SIZE(db1300_nand_res),
 214         .resource       = db1300_nand_res,
 215         .id             = -1,
 216         .dev            = {
 217                 .platform_data = &db1300_nand_platdata,
 218         }
 219 };
 220
 221 /**********************************************************************/
 222
 223 static struct resource db1300_eth_res[] = {
 224         [0] = {
 225                 .start          = DB1300_ETH_PHYS_ADDR,
 226                 .end            = DB1300_ETH_PHYS_END,
 227                 .flags          = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .start          = DB1300_ETH_INT,
 231                 .end            = DB1300_ETH_INT,
 232                 .flags          = IORESOURCE_IRQ,
 233         },
 234 };
 235
 236 static struct smsc911x_platform_config db1300_eth_config = {
 237         .phy_interface          = PHY_INTERFACE_MODE_MII,
 238         .irq_polarity           = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 239         .irq_type               = SMSC911X_IRQ_TYPE_PUSH_PULL,
 240         .flags                  = SMSC911X_USE_32BIT,
 241 };
 242
 243 static struct platform_device db1300_eth_dev = {
 244         .name                   = "smsc911x",
 245         .id                     = -1,
 246         .num_resources          = ARRAY_SIZE(db1300_eth_res),
 247         .resource               = db1300_eth_res,
 248         .dev = {
 249                 .platform_data  = &db1300_eth_config,
 250         },
 251 };
 252
 253 /**********************************************************************/
 254
 255 static struct resource au1300_psc1_res[] = {
 256         [0] = {
 257                 .start  = AU1300_PSC1_PHYS_ADDR,
 258                 .end    = AU1300_PSC1_PHYS_ADDR + 0x0fff,
 259                 .flags  = IORESOURCE_MEM,
 260         },
 261         [1] = {
 262                 .start  = AU1300_PSC1_INT,
 263                 .end    = AU1300_PSC1_INT,
 264                 .flags  = IORESOURCE_IRQ,
 265         },
 266         [2] = {
 267                 .start  = AU1300_DSCR_CMD0_PSC1_TX,
 268                 .end    = AU1300_DSCR_CMD0_PSC1_TX,
 269                 .flags  = IORESOURCE_DMA,
 270         },
 271         [3] = {
 272                 .start  = AU1300_DSCR_CMD0_PSC1_RX,
 273                 .end    = AU1300_DSCR_CMD0_PSC1_RX,
 274                 .flags  = IORESOURCE_DMA,
 275         },
 276 };
 277
 278 static struct platform_device db1300_ac97_dev = {
 279         .name           = "au1xpsc_ac97",
 280         .id             = 1,    /* PSC ID. match with AC97 codec ID! */
 281         .num_resources  = ARRAY_SIZE(au1300_psc1_res),
 282         .resource       = au1300_psc1_res,
 283 };
 284
 285 /**********************************************************************/
 286
 287 static struct resource au1300_psc2_res[] = {
 288         [0] = {
 289                 .start  = AU1300_PSC2_PHYS_ADDR,
 290                 .end    = AU1300_PSC2_PHYS_ADDR + 0x0fff,
 291                 .flags  = IORESOURCE_MEM,
 292         },
 293         [1] = {
 294                 .start  = AU1300_PSC2_INT,
 295                 .end    = AU1300_PSC2_INT,
 296                 .flags  = IORESOURCE_IRQ,
 297         },
 298         [2] = {
 299                 .start  = AU1300_DSCR_CMD0_PSC2_TX,
 300                 .end    = AU1300_DSCR_CMD0_PSC2_TX,
 301                 .flags  = IORESOURCE_DMA,
 302         },
 303         [3] = {
 304                 .start  = AU1300_DSCR_CMD0_PSC2_RX,
 305                 .end    = AU1300_DSCR_CMD0_PSC2_RX,
 306                 .flags  = IORESOURCE_DMA,
 307         },
 308 };
 309
 310 static struct platform_device db1300_i2s_dev = {
 311         .name           = "au1xpsc_i2s",
 312         .id             = 2,    /* PSC ID */
 313         .num_resources  = ARRAY_SIZE(au1300_psc2_res),
 314         .resource       = au1300_psc2_res,
 315 };
 316
 317 /**********************************************************************/
 318
 319 static struct resource au1300_psc3_res[] = {
 320         [0] = {
 321                 .start  = AU1300_PSC3_PHYS_ADDR,
 322                 .end    = AU1300_PSC3_PHYS_ADDR + 0x0fff,
 323                 .flags  = IORESOURCE_MEM,
 324         },
 325         [1] = {
 326                 .start  = AU1300_PSC3_INT,
 327                 .end    = AU1300_PSC3_INT,
 328                 .flags  = IORESOURCE_IRQ,
 329         },
 330         [2] = {
 331                 .start  = AU1300_DSCR_CMD0_PSC3_TX,
 332                 .end    = AU1300_DSCR_CMD0_PSC3_TX,
 333                 .flags  = IORESOURCE_DMA,
 334         },
 335         [3] = {
 336                 .start  = AU1300_DSCR_CMD0_PSC3_RX,
 337                 .end    = AU1300_DSCR_CMD0_PSC3_RX,
 338                 .flags  = IORESOURCE_DMA,
 339         },
 340 };
 341
 342 static struct platform_device db1300_i2c_dev = {
 343         .name           = "au1xpsc_smbus",
 344         .id             = 0,    /* bus number */
 345         .num_resources  = ARRAY_SIZE(au1300_psc3_res),
 346         .resource       = au1300_psc3_res,
 347 };
 348
 349 /**********************************************************************/
 350
 351 /* proper key assignments when facing the LCD panel.  For key assignments
 352  * according to the schematics swap up with down and left with right.
 353  * I chose to use it to emulate the arrow keys of a keyboard.
 354  */
 355 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
 356         {
 357                 .code                   = KEY_DOWN,
 358                 .gpio                   = AU1300_PIN_LCDPWM0,
 359                 .type                   = EV_KEY,
 360                 .debounce_interval      = 1,
 361                 .active_low             = 1,
 362                 .desc                   = "5waysw-down",
 363         },
 364         {
 365                 .code                   = KEY_UP,
 366                 .gpio                   = AU1300_PIN_PSC2SYNC1,
 367                 .type                   = EV_KEY,
 368                 .debounce_interval      = 1,
 369                 .active_low             = 1,
 370                 .desc                   = "5waysw-up",
 371         },
 372         {
 373                 .code                   = KEY_RIGHT,
 374                 .gpio                   = AU1300_PIN_WAKE3,
 375                 .type                   = EV_KEY,
 376                 .debounce_interval      = 1,
 377                 .active_low             = 1,
 378                 .desc                   = "5waysw-right",
 379         },
 380         {
 381                 .code                   = KEY_LEFT,
 382                 .gpio                   = AU1300_PIN_WAKE2,
 383                 .type                   = EV_KEY,
 384                 .debounce_interval      = 1,
 385                 .active_low             = 1,
 386                 .desc                   = "5waysw-left",
 387         },
 388         {
 389                 .code                   = KEY_ENTER,
 390                 .gpio                   = AU1300_PIN_WAKE1,
 391                 .type                   = EV_KEY,
 392                 .debounce_interval      = 1,
 393                 .active_low             = 1,
 394                 .desc                   = "5waysw-push",
 395         },
 396 };
 397
 398 static struct gpio_keys_platform_data db1300_5waysw_data = {
 399         .buttons        = db1300_5waysw_arrowkeys,
 400         .nbuttons       = ARRAY_SIZE(db1300_5waysw_arrowkeys),
 401         .rep            = 1,
 402         .name           = "db1300-5wayswitch",
 403 };
 404
 405 static struct platform_device db1300_5waysw_dev = {
 406         .name           = "gpio-keys",
 407         .dev    = {
 408                 .platform_data  = &db1300_5waysw_data,
 409         },
 410 };
 411
 412 /**********************************************************************/
 413
 414 static struct pata_platform_info db1300_ide_info = {
 415         .ioport_shift   = DB1300_IDE_REG_SHIFT,
 416 };
 417
 418 #define IDE_ALT_START   (14 << DB1300_IDE_REG_SHIFT)
 419 static struct resource db1300_ide_res[] = {
 420         [0] = {
 421                 .start  = DB1300_IDE_PHYS_ADDR,
 422                 .end    = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
 423                 .flags  = IORESOURCE_MEM,
 424         },
 425         [1] = {
 426                 .start  = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
 427                 .end    = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
 428                 .flags  = IORESOURCE_MEM,
 429         },
 430         [2] = {
 431                 .start  = DB1300_IDE_INT,
 432                 .end    = DB1300_IDE_INT,
 433                 .flags  = IORESOURCE_IRQ,
 434         },
 435 };
 436
 437 static struct platform_device db1300_ide_dev = {
 438         .dev    = {
 439                 .platform_data  = &db1300_ide_info,
 440         },
 441         .name           = "pata_platform",
 442         .resource       = db1300_ide_res,
 443         .num_resources  = ARRAY_SIZE(db1300_ide_res),
 444 };
 445
 446 /**********************************************************************/
 447
 448 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
 449 {
 450         void(*mmc_cd)(struct mmc_host *, unsigned long);
 451
 452         /* disable the one currently screaming. No other way to shut it up */
 453         if (irq == DB1300_SD1_INSERT_INT) {
 454                 disable_irq_nosync(DB1300_SD1_INSERT_INT);
 455                 enable_irq(DB1300_SD1_EJECT_INT);
 456         } else {
 457                 disable_irq_nosync(DB1300_SD1_EJECT_INT);
 458                 enable_irq(DB1300_SD1_INSERT_INT);
 459         }
 460
 461         /* link against CONFIG_MMC=m.  We can only be called once MMC core has
 462          * initialized the controller, so symbol_get() should always succeed.
 463          */
 464         mmc_cd = symbol_get(mmc_detect_change);
 465         mmc_cd(ptr, msecs_to_jiffies(500));
 466         symbol_put(mmc_detect_change);
 467
 468         return IRQ_HANDLED;
 469 }
 470
 471 static int db1300_mmc_card_readonly(void *mmc_host)
 472 {
 473         /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
 474         return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
 475 }
 476
 477 static int db1300_mmc_card_inserted(void *mmc_host)
 478 {
 479         return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
 480 }
 481
 482 static int db1300_mmc_cd_setup(void *mmc_host, int en)
 483 {
 484         int ret;
 485
 486         if (en) {
 487                 ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
 488                                   "sd_insert", mmc_host);
 489                 if (ret)
 490                         goto out;
 491
 492                 ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
 493                                   "sd_eject", mmc_host);
 494                 if (ret) {
 495                         free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 496                         goto out;
 497                 }
 498
 499                 if (db1300_mmc_card_inserted(mmc_host))
 500                         enable_irq(DB1300_SD1_EJECT_INT);
 501                 else
 502                         enable_irq(DB1300_SD1_INSERT_INT);
 503
 504         } else {
 505                 free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 506                 free_irq(DB1300_SD1_EJECT_INT, mmc_host);
 507         }
 508         ret = 0;
 509 out:
 510         return ret;
 511 }
 512
 513 static void db1300_mmcled_set(struct led_classdev *led,
 514                               enum led_brightness brightness)
 515 {
 516         if (brightness != LED_OFF)
 517                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
 518         else
 519                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
 520 }
 521
 522 static struct led_classdev db1300_mmc_led = {
 523         .brightness_set = db1300_mmcled_set,
 524 };
 525
 526 struct au1xmmc_platform_data db1300_sd1_platdata = {
 527         .cd_setup       = db1300_mmc_cd_setup,
 528         .card_inserted  = db1300_mmc_card_inserted,
 529         .card_readonly  = db1300_mmc_card_readonly,
 530         .led            = &db1300_mmc_led,
 531 };
 532
 533 static struct resource au1300_sd1_res[] = {
 534         [0] = {
 535                 .start  = AU1300_SD1_PHYS_ADDR,
 536                 .end    = AU1300_SD1_PHYS_ADDR,
 537                 .flags  = IORESOURCE_MEM,
 538         },
 539         [1] = {
 540                 .start  = AU1300_SD1_INT,
 541                 .end    = AU1300_SD1_INT,
 542                 .flags  = IORESOURCE_IRQ,
 543         },
 544         [2] = {
 545                 .start  = AU1300_DSCR_CMD0_SDMS_TX1,
 546                 .end    = AU1300_DSCR_CMD0_SDMS_TX1,
 547                 .flags  = IORESOURCE_DMA,
 548         },
 549         [3] = {
 550                 .start  = AU1300_DSCR_CMD0_SDMS_RX1,
 551                 .end    = AU1300_DSCR_CMD0_SDMS_RX1,
 552                 .flags  = IORESOURCE_DMA,
 553         },
 554 };
 555
 556 static struct platform_device db1300_sd1_dev = {
 557         .dev = {
 558                 .platform_data  = &db1300_sd1_platdata,
 559         },
 560         .name           = "au1xxx-mmc",
 561         .id             = 1,
 562         .resource       = au1300_sd1_res,
 563         .num_resources  = ARRAY_SIZE(au1300_sd1_res),
 564 };
 565
 566 /**********************************************************************/
 567
 568 static int db1300_movinand_inserted(void *mmc_host)
 569 {
 570         return 0; /* disable for now, it doesn't work yet */
 571 }
 572
 573 static int db1300_movinand_readonly(void *mmc_host)
 574 {
 575         return 0;
 576 }
 577
 578 static void db1300_movinand_led_set(struct led_classdev *led,
 579                                     enum led_brightness brightness)
 580 {
 581         if (brightness != LED_OFF)
 582                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
 583         else
 584                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
 585 }
 586
 587 static struct led_classdev db1300_movinand_led = {
 588         .brightness_set         = db1300_movinand_led_set,
 589 };
 590
 591 struct au1xmmc_platform_data db1300_sd0_platdata = {
 592         .card_inserted          = db1300_movinand_inserted,
 593         .card_readonly          = db1300_movinand_readonly,
 594         .led                    = &db1300_movinand_led,
 595         .mask_host_caps         = MMC_CAP_NEEDS_POLL,
 596 };
 597
 598 static struct resource au1300_sd0_res[] = {
 599         [0] = {
 600                 .start  = AU1100_SD0_PHYS_ADDR,
 601                 .end    = AU1100_SD0_PHYS_ADDR,
 602                 .flags  = IORESOURCE_MEM,
 603         },
 604         [1] = {
 605                 .start  = AU1300_SD0_INT,
 606                 .end    = AU1300_SD0_INT,
 607                 .flags  = IORESOURCE_IRQ,
 608         },
 609         [2] = {
 610                 .start  = AU1300_DSCR_CMD0_SDMS_TX0,
 611                 .end    = AU1300_DSCR_CMD0_SDMS_TX0,
 612                 .flags  = IORESOURCE_DMA,
 613         },
 614         [3] = {
 615                 .start  = AU1300_DSCR_CMD0_SDMS_RX0,
 616                 .end    = AU1300_DSCR_CMD0_SDMS_RX0,
 617                 .flags  = IORESOURCE_DMA,
 618         },
 619 };
 620
 621 static struct platform_device db1300_sd0_dev = {
 622         .dev = {
 623                 .platform_data  = &db1300_sd0_platdata,
 624         },
 625         .name           = "au1xxx-mmc",
 626         .id             = 0,
 627         .resource       = au1300_sd0_res,
 628         .num_resources  = ARRAY_SIZE(au1300_sd0_res),
 629 };
 630
 631 /**********************************************************************/
 632
 633 static struct platform_device db1300_wm9715_dev = {
 634         .name           = "wm9712-codec",
 635         .id             = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
 636 };
 637
 638 static struct platform_device db1300_ac97dma_dev = {
 639         .name           = "au1xpsc-pcm",
 640         .id             = 1,    /* PSC ID */
 641 };
 642
 643 static struct platform_device db1300_i2sdma_dev = {
 644         .name           = "au1xpsc-pcm",
 645         .id             = 2,    /* PSC ID */
 646 };
 647
 648 static struct platform_device db1300_sndac97_dev = {
 649         .name           = "db1300-ac97",
 650 };
 651
 652 static struct platform_device db1300_sndi2s_dev = {
 653         .name           = "db1300-i2s",
 654 };
 655
 656 /**********************************************************************/
 657
 658 static int db1300fb_panel_index(void)
 659 {
 660         return 9;       /* DB1300_800x480 */
 661 }
 662
 663 static int db1300fb_panel_init(void)
 664 {
 665         /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 666         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
 667                              BCSR_BOARD_LCDBL);
 668         return 0;
 669 }
 670
 671 static int db1300fb_panel_shutdown(void)
 672 {
 673         /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 674         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
 675                              BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
 676         return 0;
 677 }
 678
 679 static struct au1200fb_platdata db1300fb_pd = {
 680         .panel_index    = db1300fb_panel_index,
 681         .panel_init     = db1300fb_panel_init,
 682         .panel_shutdown = db1300fb_panel_shutdown,
 683 };
 684
 685 static struct resource au1300_lcd_res[] = {
 686         [0] = {
 687                 .start  = AU1200_LCD_PHYS_ADDR,
 688                 .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
 689                 .flags  = IORESOURCE_MEM,
 690         },
 691         [1] = {
 692                 .start  = AU1300_LCD_INT,
 693                 .end    = AU1300_LCD_INT,
 694                 .flags  = IORESOURCE_IRQ,
 695         }
 696 };
 697
 698 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
 699
 700 static struct platform_device db1300_lcd_dev = {
 701         .name           = "au1200-lcd",
 702         .id             = 0,
 703         .dev = {
 704                 .dma_mask               = &au1300_lcd_dmamask,
 705                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 706                 .platform_data          = &db1300fb_pd,
 707         },
 708         .num_resources  = ARRAY_SIZE(au1300_lcd_res),
 709         .resource       = au1300_lcd_res,
 710 };
 711
 712 /**********************************************************************/
 713
 714 static struct platform_device *db1300_dev[] __initdata = {
 715         &db1300_eth_dev,
 716         &db1300_i2c_dev,
 717         &db1300_5waysw_dev,
 718         &db1300_nand_dev,
 719         &db1300_ide_dev,
 720         &db1300_sd0_dev,
 721         &db1300_sd1_dev,
 722         &db1300_lcd_dev,
 723         &db1300_ac97_dev,
 724         &db1300_i2s_dev,
 725         &db1300_wm9715_dev,
 726         &db1300_ac97dma_dev,
 727         &db1300_i2sdma_dev,
 728         &db1300_sndac97_dev,
 729         &db1300_sndi2s_dev,
 730 };
 731
 732 int __init db1300_dev_setup(void)
 733 {
 734         int swapped, cpldirq;
 735         struct clk *c;
 736
 737         /* setup CPLD IRQ muxer */
 738         cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
 739         irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
 740         bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
 741
 742         /* insert/eject IRQs: one always triggers so don't enable them
 743          * when doing request_irq() on them.  DB1200 has this bug too.
 744          */
 745         irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
 746         irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
 747         irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
 748         irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
 749
 750         /*
 751          * setup board
 752          */
 753         prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
 754
 755         i2c_register_board_info(0, db1300_i2c_devs,
 756                                 ARRAY_SIZE(db1300_i2c_devs));
 757
 758         /* Audio PSC clock is supplied by codecs (PSC1, 2) */
 759         __raw_writel(PSC_SEL_CLK_SERCLK,
 760             (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 761         wmb();
 762         __raw_writel(PSC_SEL_CLK_SERCLK,
 763             (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
 764         wmb();
 765         /* I2C uses internal 48MHz EXTCLK1 */
 766         c = clk_get(NULL, "psc3_intclk");
 767         if (!IS_ERR(c)) {
 768                 clk_prepare_enable(c);
 769                 clk_put(c);
 770         }
 771         __raw_writel(PSC_SEL_CLK_INTCLK,
 772             (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
 773         wmb();
 774
 775         /* enable power to USB ports */
 776         bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
 777
 778         /* although it is socket #0, it uses the CPLD bits which previous boards
 779          * have used for socket #1.
 780          */
 781         db1x_register_pcmcia_socket(
 782                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 783                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
 784                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 785                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
 786                 AU1000_PCMCIA_IO_PHYS_ADDR,
 787                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
 788                 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
 789
 790         swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
 791         db1x_register_norflash(64 << 20, 2, swapped);
 792
 793         return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
 794 }
 795
 796
 797 int __init db1300_board_setup(void)
 798 {
 799         unsigned short whoami;
 800
 801         bcsr_init(DB1300_BCSR_PHYS_ADDR,
 802                   DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
 803
 804         whoami = bcsr_read(BCSR_WHOAMI);
 805         if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
 806                 return -ENODEV;
 807
 808         db1300_gpio_config();
 809
 810         printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
 811                 "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
 812                 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
 813                 BCSR_WHOAMI_DCID(whoami));
 814
 815         /* enable UARTs, YAMON only enables #2 */
 816         alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
 817         alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
 818         alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
 819
 820         return 0;
 821 }