arch/blackfin/mach-bf527/boards/ezbrd.c

   1 /*
   2  * File:         arch/blackfin/mach-bf527/boards/ezbrd.c
   3  * Based on:     arch/blackfin/mach-bf537/boards/stamp.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2008 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
  39 #include <linux/i2c.h>
  40 #include <linux/irq.h>
  41 #include <linux/interrupt.h>
  42 #include <linux/usb/musb.h>
  43 #include <asm/dma.h>
  44 #include <asm/bfin5xx_spi.h>
  45 #include <asm/reboot.h>
  46 #include <asm/nand.h>
  47 #include <asm/portmux.h>
  48 #include <asm/dpmc.h>
  49 #include <linux/spi/ad7877.h>
  50
  51 /*
  52  * Name the Board for the /proc/cpuinfo
  53  */
  54 const char bfin_board_name[] = "ADI BF526-EZBRD";
  55
  56 /*
  57  *  Driver needs to know address, irq and flag pin.
  58  */
  59
  60 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
  61 static struct resource musb_resources[] = {
  62         [0] = {
  63                 .start  = 0xffc03800,
  64                 .end    = 0xffc03cff,
  65                 .flags  = IORESOURCE_MEM,
  66         },
  67         [1] = { /* general IRQ */
  68                 .start  = IRQ_USB_INT0,
  69                 .end    = IRQ_USB_INT0,
  70                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  71         },
  72         [2] = { /* DMA IRQ */
  73                 .start  = IRQ_USB_DMA,
  74                 .end    = IRQ_USB_DMA,
  75                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  76         },
  77 };
  78
  79 static struct musb_hdrc_config musb_config = {
  80         .multipoint     = 0,
  81         .dyn_fifo       = 0,
  82         .soft_con       = 1,
  83         .dma            = 1,
  84         .num_eps        = 8,
  85         .dma_channels   = 8,
  86         .gpio_vrsel     = GPIO_PG13,
  87 };
  88
  89 static struct musb_hdrc_platform_data musb_plat = {
  90 #if defined(CONFIG_USB_MUSB_OTG)
  91         .mode           = MUSB_OTG,
  92 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
  93         .mode           = MUSB_HOST,
  94 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
  95         .mode           = MUSB_PERIPHERAL,
  96 #endif
  97         .config         = &musb_config,
  98 };
  99
 100 static u64 musb_dmamask = ~(u32)0;
 101
 102 static struct platform_device musb_device = {
 103         .name           = "musb_hdrc",
 104         .id             = 0,
 105         .dev = {
 106                 .dma_mask               = &musb_dmamask,
 107                 .coherent_dma_mask      = 0xffffffff,
 108                 .platform_data          = &musb_plat,
 109         },
 110         .num_resources  = ARRAY_SIZE(musb_resources),
 111         .resource       = musb_resources,
 112 };
 113 #endif
 114
 115 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 116 static struct mtd_partition ezbrd_partitions[] = {
 117         {
 118                 .name       = "bootloader(nor)",
 119                 .size       = 0x40000,
 120                 .offset     = 0,
 121         }, {
 122                 .name       = "linux kernel(nor)",
 123                 .size       = 0x1C0000,
 124                 .offset     = MTDPART_OFS_APPEND,
 125         }, {
 126                 .name       = "file system(nor)",
 127                 .size       = MTDPART_SIZ_FULL,
 128                 .offset     = MTDPART_OFS_APPEND,
 129         }
 130 };
 131
 132 static struct physmap_flash_data ezbrd_flash_data = {
 133         .width      = 2,
 134         .parts      = ezbrd_partitions,
 135         .nr_parts   = ARRAY_SIZE(ezbrd_partitions),
 136 };
 137
 138 static struct resource ezbrd_flash_resource = {
 139         .start = 0x20000000,
 140         .end   = 0x203fffff,
 141         .flags = IORESOURCE_MEM,
 142 };
 143
 144 static struct platform_device ezbrd_flash_device = {
 145         .name          = "physmap-flash",
 146         .id            = 0,
 147         .dev = {
 148                 .platform_data = &ezbrd_flash_data,
 149         },
 150         .num_resources = 1,
 151         .resource      = &ezbrd_flash_resource,
 152 };
 153 #endif
 154
 155 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 156 static struct mtd_partition partition_info[] = {
 157         {
 158                 .name = "linux kernel(nand)",
 159                 .offset = 0,
 160                 .size = 4 * 1024 * 1024,
 161         },
 162         {
 163                 .name = "file system(nand)",
 164                 .offset = MTDPART_OFS_APPEND,
 165                 .size = MTDPART_SIZ_FULL,
 166         },
 167 };
 168
 169 static struct bf5xx_nand_platform bf5xx_nand_platform = {
 170         .page_size = NFC_PG_SIZE_256,
 171         .data_width = NFC_NWIDTH_8,
 172         .partitions = partition_info,
 173         .nr_partitions = ARRAY_SIZE(partition_info),
 174         .rd_dly = 3,
 175         .wr_dly = 3,
 176 };
 177
 178 static struct resource bf5xx_nand_resources[] = {
 179         {
 180                 .start = NFC_CTL,
 181                 .end = NFC_DATA_RD + 2,
 182                 .flags = IORESOURCE_MEM,
 183         },
 184         {
 185                 .start = CH_NFC,
 186                 .end = CH_NFC,
 187                 .flags = IORESOURCE_IRQ,
 188         },
 189 };
 190
 191 static struct platform_device bf5xx_nand_device = {
 192         .name = "bf5xx-nand",
 193         .id = 0,
 194         .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
 195         .resource = bf5xx_nand_resources,
 196         .dev = {
 197                 .platform_data = &bf5xx_nand_platform,
 198         },
 199 };
 200 #endif
 201
 202 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 203 static struct platform_device rtc_device = {
 204         .name = "rtc-bfin",
 205         .id   = -1,
 206 };
 207 #endif
 208
 209
 210 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 211 static struct platform_device bfin_mii_bus = {
 212         .name = "bfin_mii_bus",
 213 };
 214
 215 static struct platform_device bfin_mac_device = {
 216         .name = "bfin_mac",
 217         .dev.platform_data = &bfin_mii_bus,
 218 };
 219 #endif
 220
 221 #if defined(CONFIG_MTD_M25P80) \
 222         || defined(CONFIG_MTD_M25P80_MODULE)
 223 static struct mtd_partition bfin_spi_flash_partitions[] = {
 224         {
 225                 .name = "bootloader(spi)",
 226                 .size = 0x00040000,
 227                 .offset = 0,
 228                 .mask_flags = MTD_CAP_ROM
 229         }, {
 230                 .name = "linux kernel(spi)",
 231                 .size = MTDPART_SIZ_FULL,
 232                 .offset = MTDPART_OFS_APPEND,
 233         }
 234 };
 235
 236 static struct flash_platform_data bfin_spi_flash_data = {
 237         .name = "m25p80",
 238         .parts = bfin_spi_flash_partitions,
 239         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 240         .type = "sst25wf040",
 241 };
 242
 243 /* SPI flash chip (sst25wf040) */
 244 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 245         .enable_dma = 0,         /* use dma transfer with this chip*/
 246         .bits_per_word = 8,
 247 };
 248 #endif
 249
 250 #if defined(CONFIG_BFIN_SPI_ADC) \
 251         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 252 /* SPI ADC chip */
 253 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 254         .enable_dma = 1,         /* use dma transfer with this chip*/
 255         .bits_per_word = 16,
 256 };
 257 #endif
 258
 259 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 260 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 261         .enable_dma = 0,
 262         .bits_per_word = 8,
 263 };
 264 #endif
 265
 266 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 267 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 268         .enable_dma = 0,
 269         .bits_per_word = 16,
 270 };
 271
 272 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 273         .model                  = 7877,
 274         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 275         .x_plate_ohms           = 419,
 276         .y_plate_ohms           = 486,
 277         .pressure_max           = 1000,
 278         .pressure_min           = 0,
 279         .stopacq_polarity       = 1,
 280         .first_conversion_delay = 3,
 281         .acquisition_time       = 1,
 282         .averaging              = 1,
 283         .pen_down_acc_interval  = 1,
 284 };
 285 #endif
 286
 287 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
 288 #include <linux/spi/ad7879.h>
 289 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 290         .model                  = 7879, /* Model = AD7879 */
 291         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
 292         .pressure_max           = 10000,
 293         .pressure_min           = 0,
 294         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
 295         .acquisition_time       = 1,    /* 4us acquisition time per sample */
 296         .median                 = 2,    /* do 8 measurements */
 297         .averaging              = 1,    /* take the average of 4 middle samples */
 298         .pen_down_acc_interval  = 255,  /* 9.4 ms */
 299         .gpio_output            = 1,    /* configure AUX/VBAT/GPIO as GPIO output */
 300         .gpio_default           = 1,    /* During initialization set GPIO = HIGH */
 301 };
 302 #endif
 303
 304 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 305 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
 306         .enable_dma = 0,
 307         .bits_per_word = 16,
 308 };
 309 #endif
 310
 311 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
 312          && defined(CONFIG_SND_SOC_WM8731_SPI)
 313 static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
 314         .enable_dma = 0,
 315         .bits_per_word = 16,
 316 };
 317 #endif
 318
 319 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 320 static struct bfin5xx_spi_chip spidev_chip_info = {
 321         .enable_dma = 0,
 322         .bits_per_word = 8,
 323 };
 324 #endif
 325
 326 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 327 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
 328         .enable_dma = 0,
 329         .bits_per_word = 8,
 330 };
 331 #endif
 332
 333 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 334 #if defined(CONFIG_MTD_M25P80) \
 335         || defined(CONFIG_MTD_M25P80_MODULE)
 336         {
 337                 /* the modalias must be the same as spi device driver name */
 338                 .modalias = "m25p80", /* Name of spi_driver for this device */
 339                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 340                 .bus_num = 0, /* Framework bus number */
 341                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 342                 .platform_data = &bfin_spi_flash_data,
 343                 .controller_data = &spi_flash_chip_info,
 344                 .mode = SPI_MODE_3,
 345         },
 346 #endif
 347
 348 #if defined(CONFIG_BFIN_SPI_ADC) \
 349         || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 350         {
 351                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 352                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 353                 .bus_num = 0, /* Framework bus number */
 354                 .chip_select = 1, /* Framework chip select. */
 355                 .platform_data = NULL, /* No spi_driver specific config */
 356                 .controller_data = &spi_adc_chip_info,
 357         },
 358 #endif
 359
 360 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 361         {
 362                 .modalias = "mmc_spi",
 363                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 364                 .bus_num = 0,
 365                 .chip_select = 5,
 366                 .controller_data = &mmc_spi_chip_info,
 367                 .mode = SPI_MODE_3,
 368         },
 369 #endif
 370 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 371         {
 372                 .modalias               = "ad7877",
 373                 .platform_data          = &bfin_ad7877_ts_info,
 374                 .irq                    = IRQ_PF8,
 375                 .max_speed_hz   = 12500000,     /* max spi clock (SCK) speed in HZ */
 376                 .bus_num        = 0,
 377                 .chip_select  = 2,
 378                 .controller_data = &spi_ad7877_chip_info,
 379         },
 380 #endif
 381 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 382         {
 383                 .modalias = "ad7879",
 384                 .platform_data = &bfin_ad7879_ts_info,
 385                 .irq = IRQ_PG0,
 386                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 387                 .bus_num = 0,
 388                 .chip_select = 5,
 389                 .controller_data = &spi_ad7879_chip_info,
 390                 .mode = SPI_CPHA | SPI_CPOL,
 391         },
 392 #endif
 393 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
 394          && defined(CONFIG_SND_SOC_WM8731_SPI)
 395         {
 396                 .modalias       = "wm8731",
 397                 .max_speed_hz   = 3125000,     /* max spi clock (SCK) speed in HZ */
 398                 .bus_num        = 0,
 399                 .chip_select    = 5,
 400                 .controller_data = &spi_wm8731_chip_info,
 401                 .mode = SPI_MODE_0,
 402         },
 403 #endif
 404 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 405         {
 406                 .modalias = "spidev",
 407                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 408                 .bus_num = 0,
 409                 .chip_select = 1,
 410                 .controller_data = &spidev_chip_info,
 411         },
 412 #endif
 413 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 414         {
 415                 .modalias = "bfin-lq035q1-spi",
 416                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 417                 .bus_num = 0,
 418                 .chip_select = 1,
 419                 .controller_data = &lq035q1_spi_chip_info,
 420                 .mode = SPI_CPHA | SPI_CPOL,
 421         },
 422 #endif
 423 };
 424
 425 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 426 /* SPI controller data */
 427 static struct bfin5xx_spi_master bfin_spi0_info = {
 428         .num_chipselect = 8,
 429         .enable_dma = 1,  /* master has the ability to do dma transfer */
 430         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 431 };
 432
 433 /* SPI (0) */
 434 static struct resource bfin_spi0_resource[] = {
 435         [0] = {
 436                 .start = SPI0_REGBASE,
 437                 .end   = SPI0_REGBASE + 0xFF,
 438                 .flags = IORESOURCE_MEM,
 439                 },
 440         [1] = {
 441                 .start = CH_SPI,
 442                 .end   = CH_SPI,
 443                 .flags = IORESOURCE_DMA,
 444         },
 445         [2] = {
 446                 .start = IRQ_SPI,
 447                 .end   = IRQ_SPI,
 448                 .flags = IORESOURCE_IRQ,
 449         },
 450 };
 451
 452 static struct platform_device bfin_spi0_device = {
 453         .name = "bfin-spi",
 454         .id = 0, /* Bus number */
 455         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 456         .resource = bfin_spi0_resource,
 457         .dev = {
 458                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 459         },
 460 };
 461 #endif  /* spi master and devices */
 462
 463 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 464 static struct resource bfin_uart_resources[] = {
 465 #ifdef CONFIG_SERIAL_BFIN_UART0
 466         {
 467                 .start = 0xFFC00400,
 468                 .end = 0xFFC004FF,
 469                 .flags = IORESOURCE_MEM,
 470         },
 471 #endif
 472 #ifdef CONFIG_SERIAL_BFIN_UART1
 473         {
 474                 .start = 0xFFC02000,
 475                 .end = 0xFFC020FF,
 476                 .flags = IORESOURCE_MEM,
 477         },
 478 #endif
 479 };
 480
 481 static struct platform_device bfin_uart_device = {
 482         .name = "bfin-uart",
 483         .id = 1,
 484         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 485         .resource = bfin_uart_resources,
 486 };
 487 #endif
 488
 489 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 490 #ifdef CONFIG_BFIN_SIR0
 491 static struct resource bfin_sir0_resources[] = {
 492         {
 493                 .start = 0xFFC00400,
 494                 .end = 0xFFC004FF,
 495                 .flags = IORESOURCE_MEM,
 496         },
 497         {
 498                 .start = IRQ_UART0_RX,
 499                 .end = IRQ_UART0_RX+1,
 500                 .flags = IORESOURCE_IRQ,
 501         },
 502         {
 503                 .start = CH_UART0_RX,
 504                 .end = CH_UART0_RX+1,
 505                 .flags = IORESOURCE_DMA,
 506         },
 507 };
 508
 509 static struct platform_device bfin_sir0_device = {
 510         .name = "bfin_sir",
 511         .id = 0,
 512         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 513         .resource = bfin_sir0_resources,
 514 };
 515 #endif
 516 #ifdef CONFIG_BFIN_SIR1
 517 static struct resource bfin_sir1_resources[] = {
 518         {
 519                 .start = 0xFFC02000,
 520                 .end = 0xFFC020FF,
 521                 .flags = IORESOURCE_MEM,
 522         },
 523         {
 524                 .start = IRQ_UART1_RX,
 525                 .end = IRQ_UART1_RX+1,
 526                 .flags = IORESOURCE_IRQ,
 527         },
 528         {
 529                 .start = CH_UART1_RX,
 530                 .end = CH_UART1_RX+1,
 531                 .flags = IORESOURCE_DMA,
 532         },
 533 };
 534
 535 static struct platform_device bfin_sir1_device = {
 536         .name = "bfin_sir",
 537         .id = 1,
 538         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 539         .resource = bfin_sir1_resources,
 540 };
 541 #endif
 542 #endif
 543
 544 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 545 static struct resource bfin_twi0_resource[] = {
 546         [0] = {
 547                 .start = TWI0_REGBASE,
 548                 .end   = TWI0_REGBASE,
 549                 .flags = IORESOURCE_MEM,
 550         },
 551         [1] = {
 552                 .start = IRQ_TWI,
 553                 .end   = IRQ_TWI,
 554                 .flags = IORESOURCE_IRQ,
 555         },
 556 };
 557
 558 static struct platform_device i2c_bfin_twi_device = {
 559         .name = "i2c-bfin-twi",
 560         .id = 0,
 561         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 562         .resource = bfin_twi0_resource,
 563 };
 564 #endif
 565
 566 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 567 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
 568         {
 569                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 570         },
 571 #endif
 572 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
 573         {
 574                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 575                 .irq = IRQ_PF8,
 576         },
 577 #endif
 578 };
 579
 580 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 581 static struct platform_device bfin_sport0_uart_device = {
 582         .name = "bfin-sport-uart",
 583         .id = 0,
 584 };
 585
 586 static struct platform_device bfin_sport1_uart_device = {
 587         .name = "bfin-sport-uart",
 588         .id = 1,
 589 };
 590 #endif
 591
 592 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 593 #include <linux/input.h>
 594 #include <linux/gpio_keys.h>
 595
 596 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 597         {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
 598         {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
 599 };
 600
 601 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 602         .buttons        = bfin_gpio_keys_table,
 603         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 604 };
 605
 606 static struct platform_device bfin_device_gpiokeys = {
 607         .name      = "gpio-keys",
 608         .dev = {
 609                 .platform_data = &bfin_gpio_keys_data,
 610         },
 611 };
 612 #endif
 613
 614 static struct resource bfin_gpios_resources = {
 615         .start = 0,
 616         .end   = MAX_BLACKFIN_GPIOS - 1,
 617         .flags = IORESOURCE_IRQ,
 618 };
 619
 620 static struct platform_device bfin_gpios_device = {
 621         .name = "simple-gpio",
 622         .id = -1,
 623         .num_resources = 1,
 624         .resource = &bfin_gpios_resources,
 625 };
 626
 627 static const unsigned int cclk_vlev_datasheet[] =
 628 {
 629         VRPAIR(VLEV_100, 400000000),
 630         VRPAIR(VLEV_105, 426000000),
 631         VRPAIR(VLEV_110, 500000000),
 632         VRPAIR(VLEV_115, 533000000),
 633         VRPAIR(VLEV_120, 600000000),
 634 };
 635
 636 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 637         .tuple_tab = cclk_vlev_datasheet,
 638         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 639         .vr_settling_time = 25 /* us */,
 640 };
 641
 642 static struct platform_device bfin_dpmc = {
 643         .name = "bfin dpmc",
 644         .dev = {
 645                 .platform_data = &bfin_dmpc_vreg_data,
 646         },
 647 };
 648
 649 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 650 #include <asm/bfin-lq035q1.h>
 651
 652 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
 653         .mode =         LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
 654         .use_bl =       1,
 655         .gpio_bl =      GPIO_PG12,
 656 };
 657
 658 static struct resource bfin_lq035q1_resources[] = {
 659         {
 660                 .start = IRQ_PPI_ERROR,
 661                 .end = IRQ_PPI_ERROR,
 662                 .flags = IORESOURCE_IRQ,
 663         },
 664 };
 665
 666 static struct platform_device bfin_lq035q1_device = {
 667         .name           = "bfin-lq035q1",
 668         .id             = -1,
 669         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
 670         .resource       = bfin_lq035q1_resources,
 671         .dev            = {
 672                 .platform_data = &bfin_lq035q1_data,
 673         },
 674 };
 675 #endif
 676
 677 static struct platform_device *stamp_devices[] __initdata = {
 678
 679         &bfin_dpmc,
 680
 681 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
 682         &bf5xx_nand_device,
 683 #endif
 684
 685 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 686         &rtc_device,
 687 #endif
 688
 689 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 690         &musb_device,
 691 #endif
 692
 693 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 694         &bfin_mii_bus,
 695         &bfin_mac_device,
 696 #endif
 697
 698 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 699         &bfin_spi0_device,
 700 #endif
 701
 702 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 703         &bfin_uart_device,
 704 #endif
 705
 706 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 707         &bfin_lq035q1_device,
 708 #endif
 709
 710 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 711 #ifdef CONFIG_BFIN_SIR0
 712         &bfin_sir0_device,
 713 #endif
 714 #ifdef CONFIG_BFIN_SIR1
 715         &bfin_sir1_device,
 716 #endif
 717 #endif
 718
 719 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 720         &i2c_bfin_twi_device,
 721 #endif
 722
 723 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 724         &bfin_sport0_uart_device,
 725         &bfin_sport1_uart_device,
 726 #endif
 727
 728 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 729         &bfin_device_gpiokeys,
 730 #endif
 731
 732 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 733         &ezbrd_flash_device,
 734 #endif
 735
 736         &bfin_gpios_device,
 737 };
 738
 739 static int __init ezbrd_init(void)
 740 {
 741         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 742         i2c_register_board_info(0, bfin_i2c_board_info,
 743                                 ARRAY_SIZE(bfin_i2c_board_info));
 744         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 745         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 746         return 0;
 747 }
 748
 749 arch_initcall(ezbrd_init);
 750
 751 void native_machine_restart(char *cmd)
 752 {
 753         /* workaround reboot hang when booting from SPI */
 754         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 755                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 756 }
 757
 758 void bfin_get_ether_addr(char *addr)
 759 {
 760         /* the MAC is stored in OTP memory page 0xDF */
 761         u32 ret;
 762         u64 otp_mac;
 763         u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
 764
 765         ret = otp_read(0xDF, 0x00, &otp_mac);
 766         if (!(ret & 0x1)) {
 767                 char *otp_mac_p = (char *)&otp_mac;
 768                 for (ret = 0; ret < 6; ++ret)
 769                         addr[ret] = otp_mac_p[5 - ret];
 770         }
 771 }
 772 EXPORT_SYMBOL(bfin_get_ether_addr);