arch/blackfin/mach-bf533/boards/stamp.c

   1 /*
   2  * File:         arch/blackfin/mach-bf533/stamp.c
   3  * Based on:     arch/blackfin/mach-bf533/ezkit.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:      2005
   7  * Description:  Board Info File for the BF533-STAMP
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2006 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/mtd/physmap.h>
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/flash.h>
  38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  39 #include <linux/usb/isp1362.h>
  40 #endif
  41 #include <linux/ata_platform.h>
  42 #include <linux/irq.h>
  43 #include <linux/i2c.h>
  44 #include <asm/dma.h>
  45 #include <asm/bfin5xx_spi.h>
  46 #include <asm/reboot.h>
  47 #include <asm/portmux.h>
  48 #include <asm/dpmc.h>
  49
  50 /*
  51  * Name the Board for the /proc/cpuinfo
  52  */
  53 const char bfin_board_name[] = "ADDS-BF533-STAMP";
  54
  55 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  56 static struct platform_device rtc_device = {
  57         .name = "rtc-bfin",
  58         .id   = -1,
  59 };
  60 #endif
  61
  62 /*
  63  *  Driver needs to know address, irq and flag pin.
  64  */
  65 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  66 static struct resource smc91x_resources[] = {
  67         {
  68                 .name = "smc91x-regs",
  69                 .start = 0x20300300,
  70                 .end = 0x20300300 + 16,
  71                 .flags = IORESOURCE_MEM,
  72         }, {
  73                 .start = IRQ_PF7,
  74                 .end = IRQ_PF7,
  75                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  76         },
  77 };
  78
  79 static struct platform_device smc91x_device = {
  80         .name = "smc91x",
  81         .id = 0,
  82         .num_resources = ARRAY_SIZE(smc91x_resources),
  83         .resource = smc91x_resources,
  84 };
  85 #endif
  86
  87 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  88 static struct platform_device bfin_fb_adv7393_device = {
  89         .name = "bfin-adv7393",
  90 };
  91 #endif
  92
  93 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
  94 static struct resource net2272_bfin_resources[] = {
  95         {
  96                 .start = 0x20300000,
  97                 .end = 0x20300000 + 0x100,
  98                 .flags = IORESOURCE_MEM,
  99         }, {
 100                 .start = IRQ_PF10,
 101                 .end = IRQ_PF10,
 102                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 103         },
 104 };
 105
 106 static struct platform_device net2272_bfin_device = {
 107         .name = "net2272",
 108         .id = -1,
 109         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 110         .resource = net2272_bfin_resources,
 111 };
 112 #endif
 113
 114 #if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
 115 static struct mtd_partition stamp_partitions[] = {
 116         {
 117                 .name   = "Bootloader",
 118                 .size   = 0x40000,
 119                 .offset = 0,
 120         }, {
 121                 .name   = "Kernel",
 122                 .size   = 0xE0000,
 123                 .offset = MTDPART_OFS_APPEND,
 124         }, {
 125                 .name   = "RootFS",
 126                 .size   = MTDPART_SIZ_FULL,
 127                 .offset = MTDPART_OFS_APPEND,
 128         }
 129 };
 130
 131 static struct physmap_flash_data stamp_flash_data = {
 132         .width    = 2,
 133         .parts    = stamp_partitions,
 134         .nr_parts = ARRAY_SIZE(stamp_partitions),
 135 };
 136
 137 static struct resource stamp_flash_resource[] = {
 138         {
 139                 .name  = "cfi_probe",
 140                 .start = 0x20000000,
 141                 .end   = 0x203fffff,
 142                 .flags = IORESOURCE_MEM,
 143         }, {
 144                 .start = CONFIG_ENET_FLASH_PIN,
 145                 .flags = IORESOURCE_IRQ,
 146         }
 147 };
 148
 149 static struct platform_device stamp_flash_device = {
 150         .name          = "BF5xx-Flash",
 151         .id            = 0,
 152         .dev = {
 153                 .platform_data = &stamp_flash_data,
 154         },
 155         .num_resources = ARRAY_SIZE(stamp_flash_resource),
 156         .resource      = stamp_flash_resource,
 157 };
 158 #endif
 159
 160 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 161 /* all SPI peripherals info goes here */
 162
 163 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 164 static struct mtd_partition bfin_spi_flash_partitions[] = {
 165         {
 166                 .name = "bootloader",
 167                 .size = 0x00040000,
 168                 .offset = 0,
 169                 .mask_flags = MTD_CAP_ROM
 170         }, {
 171                 .name = "kernel",
 172                 .size = 0xe0000,
 173                 .offset = MTDPART_OFS_APPEND,
 174         }, {
 175                 .name = "file system",
 176                 .size = MTDPART_SIZ_FULL,
 177                 .offset = MTDPART_OFS_APPEND,
 178         }
 179 };
 180
 181 static struct flash_platform_data bfin_spi_flash_data = {
 182         .name = "m25p80",
 183         .parts = bfin_spi_flash_partitions,
 184         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 185         .type = "m25p64",
 186 };
 187
 188 /* SPI flash chip (m25p64) */
 189 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 190         .enable_dma = 0,         /* use dma transfer with this chip*/
 191         .bits_per_word = 8,
 192 };
 193 #endif
 194
 195 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 196 /* SPI ADC chip */
 197 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 198         .enable_dma = 1,         /* use dma transfer with this chip*/
 199         .bits_per_word = 16,
 200 };
 201 #endif
 202
 203 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 204 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 205         .enable_dma = 0,
 206         .bits_per_word = 16,
 207 };
 208 #endif
 209
 210 #if defined(CONFIG_PBX)
 211 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 212         .ctl_reg        = 0x4, /* send zero */
 213         .enable_dma     = 0,
 214         .bits_per_word  = 8,
 215         .cs_change_per_word = 1,
 216 };
 217 #endif
 218
 219 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 220 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
 221         .enable_dma = 1,
 222         .bits_per_word = 8,
 223 };
 224 #endif
 225
 226 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 227 static struct bfin5xx_spi_chip spidev_chip_info = {
 228         .enable_dma = 0,
 229         .bits_per_word = 8,
 230 };
 231 #endif
 232
 233 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 234 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 235         {
 236                 /* the modalias must be the same as spi device driver name */
 237                 .modalias = "m25p80", /* Name of spi_driver for this device */
 238                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 239                 .bus_num = 0, /* Framework bus number */
 240                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 241                 .platform_data = &bfin_spi_flash_data,
 242                 .controller_data = &spi_flash_chip_info,
 243                 .mode = SPI_MODE_3,
 244         },
 245 #endif
 246
 247 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 248         {
 249                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 250                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 251                 .bus_num = 0, /* Framework bus number */
 252                 .chip_select = 1, /* Framework chip select. */
 253                 .platform_data = NULL, /* No spi_driver specific config */
 254                 .controller_data = &spi_adc_chip_info,
 255         },
 256 #endif
 257
 258 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 259         {
 260                 .modalias = "ad1836-spi",
 261                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
 262                 .bus_num = 0,
 263                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 264                 .controller_data = &ad1836_spi_chip_info,
 265         },
 266 #endif
 267
 268 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 269         {
 270                 .modalias = "spi_mmc_dummy",
 271                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 272                 .bus_num = 0,
 273                 .chip_select = 0,
 274                 .platform_data = NULL,
 275                 .controller_data = &spi_mmc_chip_info,
 276                 .mode = SPI_MODE_3,
 277         },
 278         {
 279                 .modalias = "spi_mmc",
 280                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 281                 .bus_num = 0,
 282                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 283                 .platform_data = NULL,
 284                 .controller_data = &spi_mmc_chip_info,
 285                 .mode = SPI_MODE_3,
 286         },
 287 #endif
 288
 289 #if defined(CONFIG_PBX)
 290         {
 291                 .modalias = "fxs-spi",
 292                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 293                 .bus_num = 0,
 294                 .chip_select = 8 - CONFIG_J11_JUMPER,
 295                 .controller_data = &spi_si3xxx_chip_info,
 296                 .mode = SPI_MODE_3,
 297         },
 298         {
 299                 .modalias = "fxo-spi",
 300                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 301                 .bus_num = 0,
 302                 .chip_select = 8 - CONFIG_J19_JUMPER,
 303                 .controller_data = &spi_si3xxx_chip_info,
 304                 .mode = SPI_MODE_3,
 305         },
 306 #endif
 307
 308 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 309         {
 310                 .modalias = "spidev",
 311                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 312                 .bus_num = 0,
 313                 .chip_select = 1,
 314                 .controller_data = &spidev_chip_info,
 315         },
 316 #endif
 317 };
 318
 319 /* SPI (0) */
 320 static struct resource bfin_spi0_resource[] = {
 321         [0] = {
 322                 .start = SPI0_REGBASE,
 323                 .end   = SPI0_REGBASE + 0xFF,
 324                 .flags = IORESOURCE_MEM,
 325         },
 326         [1] = {
 327                 .start = CH_SPI,
 328                 .end   = CH_SPI,
 329                 .flags = IORESOURCE_IRQ,
 330         }
 331 };
 332
 333 /* SPI controller data */
 334 static struct bfin5xx_spi_master bfin_spi0_info = {
 335         .num_chipselect = 8,
 336         .enable_dma = 1,  /* master has the ability to do dma transfer */
 337         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 338 };
 339
 340 static struct platform_device bfin_spi0_device = {
 341         .name = "bfin-spi",
 342         .id = 0, /* Bus number */
 343         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 344         .resource = bfin_spi0_resource,
 345         .dev = {
 346                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 347         },
 348 };
 349 #endif  /* spi master and devices */
 350
 351 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 352 static struct platform_device bfin_fb_device = {
 353         .name = "bf537-fb",
 354 };
 355 #endif
 356
 357 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 358 static struct resource bfin_uart_resources[] = {
 359         {
 360                 .start = 0xFFC00400,
 361                 .end = 0xFFC004FF,
 362                 .flags = IORESOURCE_MEM,
 363         },
 364 };
 365
 366 static struct platform_device bfin_uart_device = {
 367         .name = "bfin-uart",
 368         .id = 1,
 369         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 370         .resource = bfin_uart_resources,
 371 };
 372 #endif
 373
 374 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 375 static struct resource bfin_sir_resources[] = {
 376 #ifdef CONFIG_BFIN_SIR0
 377         {
 378                 .start = 0xFFC00400,
 379                 .end = 0xFFC004FF,
 380                 .flags = IORESOURCE_MEM,
 381         },
 382 #endif
 383 };
 384
 385 static struct platform_device bfin_sir_device = {
 386         .name = "bfin_sir",
 387         .id = 0,
 388         .num_resources = ARRAY_SIZE(bfin_sir_resources),
 389         .resource = bfin_sir_resources,
 390 };
 391 #endif
 392
 393 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 394 static struct platform_device bfin_sport0_uart_device = {
 395         .name = "bfin-sport-uart",
 396         .id = 0,
 397 };
 398
 399 static struct platform_device bfin_sport1_uart_device = {
 400         .name = "bfin-sport-uart",
 401         .id = 1,
 402 };
 403 #endif
 404
 405 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 406 #define PATA_INT        55
 407
 408 static struct pata_platform_info bfin_pata_platform_data = {
 409         .ioport_shift = 1,
 410         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 411 };
 412
 413 static struct resource bfin_pata_resources[] = {
 414         {
 415                 .start = 0x20314020,
 416                 .end = 0x2031403F,
 417                 .flags = IORESOURCE_MEM,
 418         },
 419         {
 420                 .start = 0x2031401C,
 421                 .end = 0x2031401F,
 422                 .flags = IORESOURCE_MEM,
 423         },
 424         {
 425                 .start = PATA_INT,
 426                 .end = PATA_INT,
 427                 .flags = IORESOURCE_IRQ,
 428         },
 429 };
 430
 431 static struct platform_device bfin_pata_device = {
 432         .name = "pata_platform",
 433         .id = -1,
 434         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 435         .resource = bfin_pata_resources,
 436         .dev = {
 437                 .platform_data = &bfin_pata_platform_data,
 438         }
 439 };
 440 #endif
 441
 442 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 443 #include <linux/input.h>
 444 #include <linux/gpio_keys.h>
 445
 446 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 447         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
 448         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
 449         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
 450 };
 451
 452 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 453         .buttons        = bfin_gpio_keys_table,
 454         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 455 };
 456
 457 static struct platform_device bfin_device_gpiokeys = {
 458         .name      = "gpio-keys",
 459         .dev = {
 460                 .platform_data = &bfin_gpio_keys_data,
 461         },
 462 };
 463 #endif
 464
 465 static struct resource bfin_gpios_resources = {
 466         .start = 0,
 467         .end   = MAX_BLACKFIN_GPIOS - 1,
 468         .flags = IORESOURCE_IRQ,
 469 };
 470
 471 static struct platform_device bfin_gpios_device = {
 472         .name = "simple-gpio",
 473         .id = -1,
 474         .num_resources = 1,
 475         .resource = &bfin_gpios_resources,
 476 };
 477
 478 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 479 #include <linux/i2c-gpio.h>
 480
 481 static struct i2c_gpio_platform_data i2c_gpio_data = {
 482         .sda_pin                = 2,
 483         .scl_pin                = 3,
 484         .sda_is_open_drain      = 0,
 485         .scl_is_open_drain      = 0,
 486         .udelay                 = 40,
 487 };
 488
 489 static struct platform_device i2c_gpio_device = {
 490         .name           = "i2c-gpio",
 491         .id             = 0,
 492         .dev            = {
 493                 .platform_data  = &i2c_gpio_data,
 494         },
 495 };
 496 #endif
 497
 498 #ifdef CONFIG_I2C_BOARDINFO
 499 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 500 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
 501         {
 502                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
 503                 .irq = 39,
 504         },
 505 #endif
 506 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
 507         {
 508                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 509         },
 510 #endif
 511 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
 512         {
 513                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 514                 .irq = 39,
 515         },
 516 #endif
 517 };
 518 #endif
 519
 520 static const unsigned int cclk_vlev_datasheet[] =
 521 {
 522         VRPAIR(VLEV_085, 250000000),
 523         VRPAIR(VLEV_090, 376000000),
 524         VRPAIR(VLEV_095, 426000000),
 525         VRPAIR(VLEV_100, 426000000),
 526         VRPAIR(VLEV_105, 476000000),
 527         VRPAIR(VLEV_110, 476000000),
 528         VRPAIR(VLEV_115, 476000000),
 529         VRPAIR(VLEV_120, 600000000),
 530         VRPAIR(VLEV_125, 600000000),
 531         VRPAIR(VLEV_130, 600000000),
 532 };
 533
 534 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 535         .tuple_tab = cclk_vlev_datasheet,
 536         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 537         .vr_settling_time = 25 /* us */,
 538 };
 539
 540 static struct platform_device bfin_dpmc = {
 541         .name = "bfin dpmc",
 542         .dev = {
 543                 .platform_data = &bfin_dmpc_vreg_data,
 544         },
 545 };
 546
 547 static struct platform_device *stamp_devices[] __initdata = {
 548
 549         &bfin_dpmc,
 550
 551 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 552         &rtc_device,
 553 #endif
 554
 555 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 556         &smc91x_device,
 557 #endif
 558
 559 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 560         &bfin_fb_adv7393_device,
 561 #endif
 562
 563 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 564         &net2272_bfin_device,
 565 #endif
 566
 567 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 568         &bfin_spi0_device,
 569 #endif
 570
 571 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 572         &bfin_uart_device,
 573 #endif
 574
 575 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 576         &bfin_sir_device,
 577 #endif
 578
 579 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 580         &bfin_sport0_uart_device,
 581         &bfin_sport1_uart_device,
 582 #endif
 583
 584 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 585         &bfin_pata_device,
 586 #endif
 587
 588 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 589         &bfin_device_gpiokeys,
 590 #endif
 591
 592 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 593         &i2c_gpio_device,
 594 #endif
 595
 596         &bfin_gpios_device,
 597
 598 #if defined(CONFIG_MTD_BF5xx) || defined(CONFIG_MTD_BF5xx_MODULE)
 599         &stamp_flash_device,
 600 #endif
 601 };
 602
 603 static int __init stamp_init(void)
 604 {
 605         int ret;
 606
 607         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 608
 609 #ifdef CONFIG_I2C_BOARDINFO
 610         i2c_register_board_info(0, bfin_i2c_board_info,
 611                                 ARRAY_SIZE(bfin_i2c_board_info));
 612 #endif
 613
 614         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 615         if (ret < 0)
 616                 return ret;
 617
 618 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 619         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
 620         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
 621         bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
 622         SSYNC();
 623 #endif
 624
 625 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 626         spi_register_board_info(bfin_spi_board_info,
 627                                 ARRAY_SIZE(bfin_spi_board_info));
 628 #endif
 629 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 630         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 631 #endif
 632         return 0;
 633 }
 634
 635 arch_initcall(stamp_init);
 636
 637 void native_machine_restart(char *cmd)
 638 {
 639 #define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
 640         bfin_write_FIO_INEN(~BIT_TO_SET);
 641         bfin_write_FIO_DIR(BIT_TO_SET);
 642         bfin_write_FIO_FLAG_C(BIT_TO_SET);
 643 }