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

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2005 National ICT Australia (NICTA)
   4  *                      Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <linux/device.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #include <linux/spi/mmc_spi.h>
  17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  18 #include <linux/usb/isp1362.h>
  19 #endif
  20 #include <linux/irq.h>
  21 #include <linux/i2c.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/reboot.h>
  25 #include <asm/portmux.h>
  26 #include <asm/dpmc.h>
  27
  28 /*
  29  * Name the Board for the /proc/cpuinfo
  30  */
  31 const char bfin_board_name[] = "ADI BF533-STAMP";
  32
  33 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  34 static struct platform_device rtc_device = {
  35         .name = "rtc-bfin",
  36         .id   = -1,
  37 };
  38 #endif
  39
  40 /*
  41  *  Driver needs to know address, irq and flag pin.
  42  */
  43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  44 #include <linux/smc91x.h>
  45
  46 static struct smc91x_platdata smc91x_info = {
  47         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  48         .leda = RPC_LED_100_10,
  49         .ledb = RPC_LED_TX_RX,
  50 };
  51
  52 static struct resource smc91x_resources[] = {
  53         {
  54                 .name = "smc91x-regs",
  55                 .start = 0x20300300,
  56                 .end = 0x20300300 + 16,
  57                 .flags = IORESOURCE_MEM,
  58         }, {
  59                 .start = IRQ_PF7,
  60                 .end = IRQ_PF7,
  61                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  62         },
  63 };
  64
  65 static struct platform_device smc91x_device = {
  66         .name = "smc91x",
  67         .id = 0,
  68         .num_resources = ARRAY_SIZE(smc91x_resources),
  69         .resource = smc91x_resources,
  70         .dev    = {
  71                 .platform_data  = &smc91x_info,
  72         },
  73 };
  74 #endif
  75
  76 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
  77 static struct resource net2272_bfin_resources[] = {
  78         {
  79                 .start = 0x20300000,
  80                 .end = 0x20300000 + 0x100,
  81                 .flags = IORESOURCE_MEM,
  82         }, {
  83                 .start = 1,
  84                 .flags = IORESOURCE_BUS,
  85         }, {
  86                 .start = IRQ_PF10,
  87                 .end = IRQ_PF10,
  88                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  89         },
  90 };
  91
  92 static struct platform_device net2272_bfin_device = {
  93         .name = "net2272",
  94         .id = -1,
  95         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
  96         .resource = net2272_bfin_resources,
  97 };
  98 #endif
  99
 100 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
 101 static struct mtd_partition stamp_partitions[] = {
 102         {
 103                 .name   = "bootloader(nor)",
 104                 .size   = 0x40000,
 105                 .offset = 0,
 106         }, {
 107                 .name   = "linux kernel(nor)",
 108                 .size   = 0x180000,
 109                 .offset = MTDPART_OFS_APPEND,
 110         }, {
 111                 .name   = "file system(nor)",
 112                 .size   = MTDPART_SIZ_FULL,
 113                 .offset = MTDPART_OFS_APPEND,
 114         }
 115 };
 116
 117 static struct physmap_flash_data stamp_flash_data = {
 118         .width    = 2,
 119         .parts    = stamp_partitions,
 120         .nr_parts = ARRAY_SIZE(stamp_partitions),
 121 };
 122
 123 static struct resource stamp_flash_resource[] = {
 124         {
 125                 .name  = "cfi_probe",
 126                 .start = 0x20000000,
 127                 .end   = 0x203fffff,
 128                 .flags = IORESOURCE_MEM,
 129         }, {
 130                 .start = 0x7BB07BB0,    /* AMBCTL0 setting when accessing flash */
 131                 .end   = 0x7BB07BB0,    /* AMBCTL1 setting when accessing flash */
 132                 .flags = IORESOURCE_MEM,
 133         }, {
 134                 .start = GPIO_PF0,
 135                 .flags = IORESOURCE_IRQ,
 136         }
 137 };
 138
 139 static struct platform_device stamp_flash_device = {
 140         .name          = "bfin-async-flash",
 141         .id            = 0,
 142         .dev = {
 143                 .platform_data = &stamp_flash_data,
 144         },
 145         .num_resources = ARRAY_SIZE(stamp_flash_resource),
 146         .resource      = stamp_flash_resource,
 147 };
 148 #endif
 149
 150 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 151 static struct mtd_partition bfin_spi_flash_partitions[] = {
 152         {
 153                 .name = "bootloader(spi)",
 154                 .size = 0x00040000,
 155                 .offset = 0,
 156                 .mask_flags = MTD_CAP_ROM
 157         }, {
 158                 .name = "linux kernel(spi)",
 159                 .size = 0x180000,
 160                 .offset = MTDPART_OFS_APPEND,
 161         }, {
 162                 .name = "file system(spi)",
 163                 .size = MTDPART_SIZ_FULL,
 164                 .offset = MTDPART_OFS_APPEND,
 165         }
 166 };
 167
 168 static struct flash_platform_data bfin_spi_flash_data = {
 169         .name = "m25p80",
 170         .parts = bfin_spi_flash_partitions,
 171         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 172         .type = "m25p64",
 173 };
 174
 175 /* SPI flash chip (m25p64) */
 176 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 177         .enable_dma = 0,         /* use dma transfer with this chip*/
 178 };
 179 #endif
 180
 181 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 182 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
 183 static int bfin_mmc_spi_init(struct device *dev,
 184         irqreturn_t (*detect_int)(int, void *), void *data)
 185 {
 186         return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
 187                 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 188                 "mmc-spi-detect", data);
 189 }
 190
 191 static void bfin_mmc_spi_exit(struct device *dev, void *data)
 192 {
 193         free_irq(MMC_SPI_CARD_DETECT_INT, data);
 194 }
 195
 196 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
 197         .init = bfin_mmc_spi_init,
 198         .exit = bfin_mmc_spi_exit,
 199         .detect_delay = 100, /* msecs */
 200 };
 201
 202 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
 203         .enable_dma = 0,
 204         .pio_interrupt = 0,
 205 };
 206 #endif
 207
 208 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 209 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 210         {
 211                 /* the modalias must be the same as spi device driver name */
 212                 .modalias = "m25p80", /* Name of spi_driver for this device */
 213                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 214                 .bus_num = 0, /* Framework bus number */
 215                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 216                 .platform_data = &bfin_spi_flash_data,
 217                 .controller_data = &spi_flash_chip_info,
 218                 .mode = SPI_MODE_3,
 219         },
 220 #endif
 221
 222 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 223         {
 224                 .modalias = "ad183x",
 225                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 226                 .bus_num = 0,
 227                 .chip_select = 4,
 228                 .platform_data = "ad1836", /* only includes chip name for the moment */
 229                 .mode = SPI_MODE_3,
 230         },
 231 #endif
 232
 233 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 234         {
 235                 .modalias = "spidev",
 236                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 237                 .bus_num = 0,
 238                 .chip_select = 1,
 239         },
 240 #endif
 241 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 242         {
 243                 .modalias = "mmc_spi",
 244                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 245                 .bus_num = 0,
 246                 .chip_select = 4,
 247                 .platform_data = &bfin_mmc_spi_pdata,
 248                 .controller_data = &mmc_spi_chip_info,
 249                 .mode = SPI_MODE_3,
 250         },
 251 #endif
 252 };
 253
 254 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 255 /* SPI (0) */
 256 static struct resource bfin_spi0_resource[] = {
 257         [0] = {
 258                 .start = SPI0_REGBASE,
 259                 .end   = SPI0_REGBASE + 0xFF,
 260                 .flags = IORESOURCE_MEM,
 261         },
 262         [1] = {
 263                 .start = CH_SPI,
 264                 .end   = CH_SPI,
 265                 .flags = IORESOURCE_DMA,
 266         },
 267         [2] = {
 268                 .start = IRQ_SPI,
 269                 .end   = IRQ_SPI,
 270                 .flags = IORESOURCE_IRQ,
 271         }
 272 };
 273
 274 /* SPI controller data */
 275 static struct bfin5xx_spi_master bfin_spi0_info = {
 276         .num_chipselect = 8,
 277         .enable_dma = 1,  /* master has the ability to do dma transfer */
 278         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 279 };
 280
 281 static struct platform_device bfin_spi0_device = {
 282         .name = "bfin-spi",
 283         .id = 0, /* Bus number */
 284         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 285         .resource = bfin_spi0_resource,
 286         .dev = {
 287                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 288         },
 289 };
 290 #endif  /* spi master and devices */
 291
 292 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 293 #ifdef CONFIG_SERIAL_BFIN_UART0
 294 static struct resource bfin_uart0_resources[] = {
 295         {
 296                 .start = BFIN_UART_THR,
 297                 .end = BFIN_UART_GCTL+2,
 298                 .flags = IORESOURCE_MEM,
 299         },
 300         {
 301                 .start = IRQ_UART0_TX,
 302                 .end = IRQ_UART0_TX,
 303                 .flags = IORESOURCE_IRQ,
 304         },
 305         {
 306                 .start = IRQ_UART0_RX,
 307                 .end = IRQ_UART0_RX,
 308                 .flags = IORESOURCE_IRQ,
 309         },
 310         {
 311                 .start = IRQ_UART0_ERROR,
 312                 .end = IRQ_UART0_ERROR,
 313                 .flags = IORESOURCE_IRQ,
 314         },
 315         {
 316                 .start = CH_UART0_TX,
 317                 .end = CH_UART0_TX,
 318                 .flags = IORESOURCE_DMA,
 319         },
 320         {
 321                 .start = CH_UART0_RX,
 322                 .end = CH_UART0_RX,
 323                 .flags = IORESOURCE_DMA,
 324         },
 325 };
 326
 327 static unsigned short bfin_uart0_peripherals[] = {
 328         P_UART0_TX, P_UART0_RX, 0
 329 };
 330
 331 static struct platform_device bfin_uart0_device = {
 332         .name = "bfin-uart",
 333         .id = 0,
 334         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 335         .resource = bfin_uart0_resources,
 336         .dev = {
 337                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 338         },
 339 };
 340 #endif
 341 #endif
 342
 343 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 344 #ifdef CONFIG_BFIN_SIR0
 345 static struct resource bfin_sir0_resources[] = {
 346         {
 347                 .start = 0xFFC00400,
 348                 .end = 0xFFC004FF,
 349                 .flags = IORESOURCE_MEM,
 350         },
 351         {
 352                 .start = IRQ_UART0_RX,
 353                 .end = IRQ_UART0_RX+1,
 354                 .flags = IORESOURCE_IRQ,
 355         },
 356         {
 357                 .start = CH_UART0_RX,
 358                 .end = CH_UART0_RX+1,
 359                 .flags = IORESOURCE_DMA,
 360         },
 361 };
 362
 363 static struct platform_device bfin_sir0_device = {
 364         .name = "bfin_sir",
 365         .id = 0,
 366         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 367         .resource = bfin_sir0_resources,
 368 };
 369 #endif
 370 #endif
 371
 372 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 373 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 374 static struct resource bfin_sport0_uart_resources[] = {
 375         {
 376                 .start = SPORT0_TCR1,
 377                 .end = SPORT0_MRCS3+4,
 378                 .flags = IORESOURCE_MEM,
 379         },
 380         {
 381                 .start = IRQ_SPORT0_RX,
 382                 .end = IRQ_SPORT0_RX+1,
 383                 .flags = IORESOURCE_IRQ,
 384         },
 385         {
 386                 .start = IRQ_SPORT0_ERROR,
 387                 .end = IRQ_SPORT0_ERROR,
 388                 .flags = IORESOURCE_IRQ,
 389         },
 390 };
 391
 392 static unsigned short bfin_sport0_peripherals[] = {
 393         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 394         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 395 };
 396
 397 static struct platform_device bfin_sport0_uart_device = {
 398         .name = "bfin-sport-uart",
 399         .id = 0,
 400         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 401         .resource = bfin_sport0_uart_resources,
 402         .dev = {
 403                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 404         },
 405 };
 406 #endif
 407 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 408 static struct resource bfin_sport1_uart_resources[] = {
 409         {
 410                 .start = SPORT1_TCR1,
 411                 .end = SPORT1_MRCS3+4,
 412                 .flags = IORESOURCE_MEM,
 413         },
 414         {
 415                 .start = IRQ_SPORT1_RX,
 416                 .end = IRQ_SPORT1_RX+1,
 417                 .flags = IORESOURCE_IRQ,
 418         },
 419         {
 420                 .start = IRQ_SPORT1_ERROR,
 421                 .end = IRQ_SPORT1_ERROR,
 422                 .flags = IORESOURCE_IRQ,
 423         },
 424 };
 425
 426 static unsigned short bfin_sport1_peripherals[] = {
 427         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 428         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 429 };
 430
 431 static struct platform_device bfin_sport1_uart_device = {
 432         .name = "bfin-sport-uart",
 433         .id = 1,
 434         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 435         .resource = bfin_sport1_uart_resources,
 436         .dev = {
 437                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 438         },
 439 };
 440 #endif
 441 #endif
 442
 443 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 444 #include <linux/input.h>
 445 #include <linux/gpio_keys.h>
 446
 447 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 448         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
 449         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
 450         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
 451 };
 452
 453 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 454         .buttons        = bfin_gpio_keys_table,
 455         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 456 };
 457
 458 static struct platform_device bfin_device_gpiokeys = {
 459         .name      = "gpio-keys",
 460         .dev = {
 461                 .platform_data = &bfin_gpio_keys_data,
 462         },
 463 };
 464 #endif
 465
 466 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 467 #include <linux/i2c-gpio.h>
 468
 469 static struct i2c_gpio_platform_data i2c_gpio_data = {
 470         .sda_pin                = GPIO_PF2,
 471         .scl_pin                = GPIO_PF3,
 472         .sda_is_open_drain      = 0,
 473         .scl_is_open_drain      = 0,
 474         .udelay                 = 40,
 475 };
 476
 477 static struct platform_device i2c_gpio_device = {
 478         .name           = "i2c-gpio",
 479         .id             = 0,
 480         .dev            = {
 481                 .platform_data  = &i2c_gpio_data,
 482         },
 483 };
 484 #endif
 485
 486 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 487 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
 488         {
 489                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
 490                 .irq = 39,
 491         },
 492 #endif
 493 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
 494         {
 495                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 496         },
 497 #endif
 498 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
 499         {
 500                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 501                 .irq = 39,
 502         },
 503 #endif
 504 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 505         {
 506                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 507         },
 508 #endif
 509 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
 510         {
 511                 I2C_BOARD_INFO("ad5252", 0x2f),
 512         },
 513 #endif
 514 };
 515
 516 static const unsigned int cclk_vlev_datasheet[] =
 517 {
 518         VRPAIR(VLEV_085, 250000000),
 519         VRPAIR(VLEV_090, 376000000),
 520         VRPAIR(VLEV_095, 426000000),
 521         VRPAIR(VLEV_100, 426000000),
 522         VRPAIR(VLEV_105, 476000000),
 523         VRPAIR(VLEV_110, 476000000),
 524         VRPAIR(VLEV_115, 476000000),
 525         VRPAIR(VLEV_120, 600000000),
 526         VRPAIR(VLEV_125, 600000000),
 527         VRPAIR(VLEV_130, 600000000),
 528 };
 529
 530 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 531         .tuple_tab = cclk_vlev_datasheet,
 532         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 533         .vr_settling_time = 25 /* us */,
 534 };
 535
 536 static struct platform_device bfin_dpmc = {
 537         .name = "bfin dpmc",
 538         .dev = {
 539                 .platform_data = &bfin_dmpc_vreg_data,
 540         },
 541 };
 542
 543 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 544 static struct platform_device bfin_i2s = {
 545         .name = "bfin-i2s",
 546         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 547         /* TODO: add platform data here */
 548 };
 549 #endif
 550
 551 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 552 static struct platform_device bfin_tdm = {
 553         .name = "bfin-tdm",
 554         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 555         /* TODO: add platform data here */
 556 };
 557 #endif
 558
 559 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 560 static struct platform_device bfin_ac97 = {
 561         .name = "bfin-ac97",
 562         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 563         /* TODO: add platform data here */
 564 };
 565 #endif
 566
 567 static struct platform_device *stamp_devices[] __initdata = {
 568
 569         &bfin_dpmc,
 570
 571 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 572         &rtc_device,
 573 #endif
 574
 575 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 576         &smc91x_device,
 577 #endif
 578
 579 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 580         &net2272_bfin_device,
 581 #endif
 582
 583 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 584         &bfin_spi0_device,
 585 #endif
 586
 587 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 588 #ifdef CONFIG_SERIAL_BFIN_UART0
 589         &bfin_uart0_device,
 590 #endif
 591 #endif
 592
 593 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 594 #ifdef CONFIG_BFIN_SIR0
 595         &bfin_sir0_device,
 596 #endif
 597 #endif
 598
 599 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 600 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 601         &bfin_sport0_uart_device,
 602 #endif
 603 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 604         &bfin_sport1_uart_device,
 605 #endif
 606 #endif
 607
 608 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 609         &bfin_device_gpiokeys,
 610 #endif
 611
 612 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 613         &i2c_gpio_device,
 614 #endif
 615
 616 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
 617         &stamp_flash_device,
 618 #endif
 619
 620 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 621         &bfin_i2s,
 622 #endif
 623
 624 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 625         &bfin_tdm,
 626 #endif
 627
 628 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 629         &bfin_ac97,
 630 #endif
 631 };
 632
 633 static int __init net2272_init(void)
 634 {
 635 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 636         int ret;
 637
 638         /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
 639         ret = gpio_request(GPIO_PF0, "net2272");
 640         if (ret)
 641                 return ret;
 642
 643         ret = gpio_request(GPIO_PF1, "net2272");
 644         if (ret) {
 645                 gpio_free(GPIO_PF0);
 646                 return ret;
 647         }
 648
 649         ret = gpio_request(GPIO_PF11, "net2272");
 650         if (ret) {
 651                 gpio_free(GPIO_PF0);
 652                 gpio_free(GPIO_PF1);
 653                 return ret;
 654         }
 655
 656         gpio_direction_output(GPIO_PF0, 0);
 657         gpio_direction_output(GPIO_PF1, 1);
 658
 659         /* Reset the USB chip */
 660         gpio_direction_output(GPIO_PF11, 0);
 661         mdelay(2);
 662         gpio_set_value(GPIO_PF11, 1);
 663 #endif
 664
 665         return 0;
 666 }
 667
 668 static int __init stamp_init(void)
 669 {
 670         int ret;
 671
 672         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 673
 674         i2c_register_board_info(0, bfin_i2c_board_info,
 675                                 ARRAY_SIZE(bfin_i2c_board_info));
 676
 677         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 678         if (ret < 0)
 679                 return ret;
 680
 681 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 682         /*
 683          * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
 684          * the bfin-async-map driver takes care of flipping between
 685          * flash and ethernet when necessary.
 686          */
 687         ret = gpio_request(GPIO_PF0, "enet_cpld");
 688         if (!ret) {
 689                 gpio_direction_output(GPIO_PF0, 1);
 690                 gpio_free(GPIO_PF0);
 691         }
 692 #endif
 693
 694         if (net2272_init())
 695                 pr_warning("unable to configure net2272; it probably won't work\n");
 696
 697         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 698         return 0;
 699 }
 700
 701 arch_initcall(stamp_init);
 702
 703 static struct platform_device *stamp_early_devices[] __initdata = {
 704 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 705 #ifdef CONFIG_SERIAL_BFIN_UART0
 706         &bfin_uart0_device,
 707 #endif
 708 #endif
 709
 710 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 711 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 712         &bfin_sport0_uart_device,
 713 #endif
 714 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 715         &bfin_sport1_uart_device,
 716 #endif
 717 #endif
 718 };
 719
 720 void __init native_machine_early_platform_add_devices(void)
 721 {
 722         printk(KERN_INFO "register early platform devices\n");
 723         early_platform_add_devices(stamp_early_devices,
 724                 ARRAY_SIZE(stamp_early_devices));
 725 }
 726
 727 void native_machine_restart(char *cmd)
 728 {
 729         /* workaround pull up on cpld / flash pin not being strong enough */
 730         gpio_request(GPIO_PF0, "flash_cpld");
 731         gpio_direction_output(GPIO_PF0, 0);
 732 }