arch/blackfin/mach-bf537/boards/stamp.c

   1 /*
   2  * File:         arch/blackfin/mach-bf537/boards/stamp.c
   3  * Based on:     arch/blackfin/mach-bf533/boards/ezkit.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 2004-2006 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/kernel.h>
  33 #include <linux/platform_device.h>
  34 #include <linux/mtd/mtd.h>
  35 #include <linux/mtd/nand.h>
  36 #include <linux/mtd/partitions.h>
  37 #include <linux/mtd/plat-ram.h>
  38 #include <linux/mtd/physmap.h>
  39 #include <linux/spi/spi.h>
  40 #include <linux/spi/flash.h>
  41 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  42 #include <linux/usb/isp1362.h>
  43 #endif
  44 #include <linux/ata_platform.h>
  45 #include <linux/irq.h>
  46 #include <linux/interrupt.h>
  47 #include <linux/i2c.h>
  48 #include <linux/usb/sl811.h>
  49 #include <asm/dma.h>
  50 #include <asm/bfin5xx_spi.h>
  51 #include <asm/reboot.h>
  52 #include <asm/portmux.h>
  53 #include <asm/dpmc.h>
  54
  55 /*
  56  * Name the Board for the /proc/cpuinfo
  57  */
  58 const char bfin_board_name[] = "ADDS-BF537-STAMP";
  59
  60 /*
  61  *  Driver needs to know address, irq and flag pin.
  62  */
  63
  64 #define ISP1761_BASE       0x203C0000
  65 #define ISP1761_IRQ        IRQ_PF7
  66
  67 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  68 static struct resource bfin_isp1761_resources[] = {
  69         [0] = {
  70                 .name   = "isp1761-regs",
  71                 .start  = ISP1761_BASE + 0x00000000,
  72                 .end    = ISP1761_BASE + 0x000fffff,
  73                 .flags  = IORESOURCE_MEM,
  74         },
  75         [1] = {
  76                 .start  = ISP1761_IRQ,
  77                 .end    = ISP1761_IRQ,
  78                 .flags  = IORESOURCE_IRQ,
  79         },
  80 };
  81
  82 static struct platform_device bfin_isp1761_device = {
  83         .name           = "isp1761",
  84         .id             = 0,
  85         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
  86         .resource       = bfin_isp1761_resources,
  87 };
  88
  89 static struct platform_device *bfin_isp1761_devices[] = {
  90         &bfin_isp1761_device,
  91 };
  92
  93 int __init bfin_isp1761_init(void)
  94 {
  95         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
  96
  97         printk(KERN_INFO "%s(): registering device resources\n", __func__);
  98         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
  99
 100         return platform_add_devices(bfin_isp1761_devices, num_devices);
 101 }
 102
 103 void __exit bfin_isp1761_exit(void)
 104 {
 105         platform_device_unregister(&bfin_isp1761_device);
 106 }
 107
 108 arch_initcall(bfin_isp1761_init);
 109 #endif
 110
 111 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 112 #include <linux/input.h>
 113 #include <linux/gpio_keys.h>
 114
 115 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 116         {BTN_0, GPIO_PF2, 1, "gpio-keys: BTN0"},
 117         {BTN_1, GPIO_PF3, 1, "gpio-keys: BTN1"},
 118         {BTN_2, GPIO_PF4, 1, "gpio-keys: BTN2"},
 119         {BTN_3, GPIO_PF5, 1, "gpio-keys: BTN3"},
 120 };
 121
 122 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 123         .buttons        = bfin_gpio_keys_table,
 124         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 125 };
 126
 127 static struct platform_device bfin_device_gpiokeys = {
 128         .name      = "gpio-keys",
 129         .dev = {
 130                 .platform_data = &bfin_gpio_keys_data,
 131         },
 132 };
 133 #endif
 134
 135 static struct resource bfin_gpios_resources = {
 136         .start = 0,
 137         .end   = MAX_BLACKFIN_GPIOS - 1,
 138         .flags = IORESOURCE_IRQ,
 139 };
 140
 141 static struct platform_device bfin_gpios_device = {
 142         .name = "simple-gpio",
 143         .id = -1,
 144         .num_resources = 1,
 145         .resource = &bfin_gpios_resources,
 146 };
 147
 148 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 149 static struct resource bfin_pcmcia_cf_resources[] = {
 150         {
 151                 .start = 0x20310000, /* IO PORT */
 152                 .end = 0x20312000,
 153                 .flags = IORESOURCE_MEM,
 154         }, {
 155                 .start = 0x20311000, /* Attribute Memory */
 156                 .end = 0x20311FFF,
 157                 .flags = IORESOURCE_MEM,
 158         }, {
 159                 .start = IRQ_PF4,
 160                 .end = IRQ_PF4,
 161                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 162         }, {
 163                 .start = 6, /* Card Detect PF6 */
 164                 .end = 6,
 165                 .flags = IORESOURCE_IRQ,
 166         },
 167 };
 168
 169 static struct platform_device bfin_pcmcia_cf_device = {
 170         .name = "bfin_cf_pcmcia",
 171         .id = -1,
 172         .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
 173         .resource = bfin_pcmcia_cf_resources,
 174 };
 175 #endif
 176
 177 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 178 static struct platform_device rtc_device = {
 179         .name = "rtc-bfin",
 180         .id   = -1,
 181 };
 182 #endif
 183
 184 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 185 static struct resource smc91x_resources[] = {
 186         {
 187                 .name = "smc91x-regs",
 188                 .start = 0x20300300,
 189                 .end = 0x20300300 + 16,
 190                 .flags = IORESOURCE_MEM,
 191         }, {
 192
 193                 .start = IRQ_PF7,
 194                 .end = IRQ_PF7,
 195                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 196         },
 197 };
 198 static struct platform_device smc91x_device = {
 199         .name = "smc91x",
 200         .id = 0,
 201         .num_resources = ARRAY_SIZE(smc91x_resources),
 202         .resource = smc91x_resources,
 203 };
 204 #endif
 205
 206 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 207 static struct resource dm9000_resources[] = {
 208         [0] = {
 209                 .start  = 0x203FB800,
 210                 .end    = 0x203FB800 + 8,
 211                 .flags  = IORESOURCE_MEM,
 212         },
 213         [1] = {
 214                 .start  = IRQ_PF9,
 215                 .end    = IRQ_PF9,
 216                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
 217         },
 218 };
 219
 220 static struct platform_device dm9000_device = {
 221         .name           = "dm9000",
 222         .id             = -1,
 223         .num_resources  = ARRAY_SIZE(dm9000_resources),
 224         .resource       = dm9000_resources,
 225 };
 226 #endif
 227
 228 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 229 static struct resource ax88180_resources[] = {
 230         [0] = {
 231                 .start  = 0x20300000,
 232                 .end    = 0x20300000 + 0x8000,
 233                 .flags  = IORESOURCE_MEM,
 234         },
 235         [1] = {
 236                 .start  = IRQ_PF7,
 237                 .end    = IRQ_PF7,
 238                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 239         },
 240 };
 241
 242 static struct platform_device ax88180_device = {
 243         .name           = "ax88180",
 244         .id             = -1,
 245         .num_resources  = ARRAY_SIZE(ax88180_resources),
 246         .resource       = ax88180_resources,
 247 };
 248 #endif
 249
 250 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 251 static struct resource sl811_hcd_resources[] = {
 252         {
 253                 .start = 0x20340000,
 254                 .end = 0x20340000,
 255                 .flags = IORESOURCE_MEM,
 256         }, {
 257                 .start = 0x20340004,
 258                 .end = 0x20340004,
 259                 .flags = IORESOURCE_MEM,
 260         }, {
 261                 .start = CONFIG_USB_SL811_BFIN_IRQ,
 262                 .end = CONFIG_USB_SL811_BFIN_IRQ,
 263                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 264         },
 265 };
 266
 267 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 268 void sl811_port_power(struct device *dev, int is_on)
 269 {
 270         gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
 271         gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
 272 }
 273 #endif
 274
 275 static struct sl811_platform_data sl811_priv = {
 276         .potpg = 10,
 277         .power = 250,       /* == 500mA */
 278 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
 279         .port_power = &sl811_port_power,
 280 #endif
 281 };
 282
 283 static struct platform_device sl811_hcd_device = {
 284         .name = "sl811-hcd",
 285         .id = 0,
 286         .dev = {
 287                 .platform_data = &sl811_priv,
 288         },
 289         .num_resources = ARRAY_SIZE(sl811_hcd_resources),
 290         .resource = sl811_hcd_resources,
 291 };
 292 #endif
 293
 294 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 295 static struct resource isp1362_hcd_resources[] = {
 296         {
 297                 .start = 0x20360000,
 298                 .end = 0x20360000,
 299                 .flags = IORESOURCE_MEM,
 300         }, {
 301                 .start = 0x20360004,
 302                 .end = 0x20360004,
 303                 .flags = IORESOURCE_MEM,
 304         }, {
 305                 .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 306                 .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
 307                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 308         },
 309 };
 310
 311 static struct isp1362_platform_data isp1362_priv = {
 312         .sel15Kres = 1,
 313         .clknotstop = 0,
 314         .oc_enable = 0,
 315         .int_act_high = 0,
 316         .int_edge_triggered = 0,
 317         .remote_wakeup_connected = 0,
 318         .no_power_switching = 1,
 319         .power_switching_mode = 0,
 320 };
 321
 322 static struct platform_device isp1362_hcd_device = {
 323         .name = "isp1362-hcd",
 324         .id = 0,
 325         .dev = {
 326                 .platform_data = &isp1362_priv,
 327         },
 328         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 329         .resource = isp1362_hcd_resources,
 330 };
 331 #endif
 332
 333 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 334 static struct platform_device bfin_mac_device = {
 335         .name = "bfin_mac",
 336 };
 337 #endif
 338
 339 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 340 static struct resource net2272_bfin_resources[] = {
 341         {
 342                 .start = 0x20300000,
 343                 .end = 0x20300000 + 0x100,
 344                 .flags = IORESOURCE_MEM,
 345         }, {
 346                 .start = IRQ_PF7,
 347                 .end = IRQ_PF7,
 348                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 349         },
 350 };
 351
 352 static struct platform_device net2272_bfin_device = {
 353         .name = "net2272",
 354         .id = -1,
 355         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 356         .resource = net2272_bfin_resources,
 357 };
 358 #endif
 359
 360 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 361 #ifdef CONFIG_MTD_PARTITIONS
 362 const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
 363
 364 static struct mtd_partition bfin_plat_nand_partitions[] = {
 365         {
 366                 .name   = "linux kernel(nand)",
 367                 .size   = 0x400000,
 368                 .offset = 0,
 369         }, {
 370                 .name   = "file system(nand)",
 371                 .size   = MTDPART_SIZ_FULL,
 372                 .offset = MTDPART_OFS_APPEND,
 373         },
 374 };
 375 #endif
 376
 377 #define BFIN_NAND_PLAT_CLE 2
 378 #define BFIN_NAND_PLAT_ALE 1
 379 static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 380 {
 381         struct nand_chip *this = mtd->priv;
 382
 383         if (cmd == NAND_CMD_NONE)
 384                 return;
 385
 386         if (ctrl & NAND_CLE)
 387                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
 388         else
 389                 writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
 390 }
 391
 392 #define BFIN_NAND_PLAT_READY GPIO_PF3
 393 static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
 394 {
 395         return gpio_get_value(BFIN_NAND_PLAT_READY);
 396 }
 397
 398 static struct platform_nand_data bfin_plat_nand_data = {
 399         .chip = {
 400                 .chip_delay = 30,
 401 #ifdef CONFIG_MTD_PARTITIONS
 402                 .part_probe_types = part_probes,
 403                 .partitions = bfin_plat_nand_partitions,
 404                 .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
 405 #endif
 406         },
 407         .ctrl = {
 408                 .cmd_ctrl  = bfin_plat_nand_cmd_ctrl,
 409                 .dev_ready = bfin_plat_nand_dev_ready,
 410         },
 411 };
 412
 413 #define MAX(x, y) (x > y ? x : y)
 414 static struct resource bfin_plat_nand_resources = {
 415         .start = 0x20212000,
 416         .end   = 0x20212000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
 417         .flags = IORESOURCE_IO,
 418 };
 419
 420 static struct platform_device bfin_async_nand_device = {
 421         .name = "gen_nand",
 422         .id = -1,
 423         .num_resources = 1,
 424         .resource = &bfin_plat_nand_resources,
 425         .dev = {
 426                 .platform_data = &bfin_plat_nand_data,
 427         },
 428 };
 429
 430 static void bfin_plat_nand_init(void)
 431 {
 432         gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
 433 }
 434 #else
 435 static void bfin_plat_nand_init(void) {}
 436 #endif
 437
 438 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 439 static struct mtd_partition stamp_partitions[] = {
 440         {
 441                 .name       = "bootloader(nor)",
 442                 .size       = 0x40000,
 443                 .offset     = 0,
 444         }, {
 445                 .name       = "linux kernel(nor)",
 446                 .size       = 0xE0000,
 447                 .offset     = MTDPART_OFS_APPEND,
 448         }, {
 449                 .name       = "file system(nor)",
 450                 .size       = 0x400000 - 0x40000 - 0xE0000 - 0x10000,
 451                 .offset     = MTDPART_OFS_APPEND,
 452         }, {
 453                 .name       = "MAC Address(nor)",
 454                 .size       = MTDPART_SIZ_FULL,
 455                 .offset     = 0x3F0000,
 456                 .mask_flags = MTD_WRITEABLE,
 457         }
 458 };
 459
 460 static struct physmap_flash_data stamp_flash_data = {
 461         .width      = 2,
 462         .parts      = stamp_partitions,
 463         .nr_parts   = ARRAY_SIZE(stamp_partitions),
 464 };
 465
 466 static struct resource stamp_flash_resource = {
 467         .start = 0x20000000,
 468         .end   = 0x203fffff,
 469         .flags = IORESOURCE_MEM,
 470 };
 471
 472 static struct platform_device stamp_flash_device = {
 473         .name          = "physmap-flash",
 474         .id            = 0,
 475         .dev = {
 476                 .platform_data = &stamp_flash_data,
 477         },
 478         .num_resources = 1,
 479         .resource      = &stamp_flash_resource,
 480 };
 481 #endif
 482
 483 #if defined(CONFIG_MTD_M25P80) \
 484         || defined(CONFIG_MTD_M25P80_MODULE)
 485 static struct mtd_partition bfin_spi_flash_partitions[] = {
 486         {
 487                 .name = "bootloader(spi)",
 488                 .size = 0x00040000,
 489                 .offset = 0,
 490                 .mask_flags = MTD_CAP_ROM
 491         }, {
 492                 .name = "linux kernel(spi)",
 493                 .size = 0xe0000,
 494                 .offset = MTDPART_OFS_APPEND,
 495         }, {
 496                 .name = "file system(spi)",
 497                 .size = MTDPART_SIZ_FULL,
 498                 .offset = MTDPART_OFS_APPEND,
 499         }
 500 };
 501
 502 static struct flash_platform_data bfin_spi_flash_data = {
 503         .name = "m25p80",
 504         .parts = bfin_spi_flash_partitions,
 505         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 506         .type = "m25p64",
 507 };
 508
 509 /* SPI flash chip (m25p64) */
 510 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 511         .enable_dma = 0,         /* use dma transfer with this chip*/
 512         .bits_per_word = 8,
 513 };
 514 #endif
 515
 516 #if defined(CONFIG_SPI_ADC_BF533) \
 517         || defined(CONFIG_SPI_ADC_BF533_MODULE)
 518 /* SPI ADC chip */
 519 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 520         .enable_dma = 1,         /* use dma transfer with this chip*/
 521         .bits_per_word = 16,
 522 };
 523 #endif
 524
 525 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 526         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 527 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 528         .enable_dma = 0,
 529         .bits_per_word = 16,
 530 };
 531 #endif
 532
 533 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 534 static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
 535         .enable_dma = 0,
 536         .bits_per_word = 16,
 537 };
 538 #endif
 539
 540 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 541 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
 542         .enable_dma = 1,
 543         .bits_per_word = 8,
 544 };
 545 #endif
 546
 547 #if defined(CONFIG_PBX)
 548 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 549         .ctl_reg        = 0x4, /* send zero */
 550         .enable_dma     = 0,
 551         .bits_per_word  = 8,
 552         .cs_change_per_word = 1,
 553 };
 554 #endif
 555
 556 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 557 #include <linux/spi/ad7877.h>
 558 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
 559         .enable_dma = 0,
 560         .bits_per_word = 16,
 561 };
 562
 563 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 564         .model                  = 7877,
 565         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 566         .x_plate_ohms           = 419,
 567         .y_plate_ohms           = 486,
 568         .pressure_max           = 1000,
 569         .pressure_min           = 0,
 570         .stopacq_polarity       = 1,
 571         .first_conversion_delay = 3,
 572         .acquisition_time       = 1,
 573         .averaging              = 1,
 574         .pen_down_acc_interval  = 1,
 575 };
 576 #endif
 577
 578 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
 579 #include <linux/spi/ad7879.h>
 580 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 581         .model                  = 7879, /* Model = AD7879 */
 582         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
 583         .pressure_max           = 10000,
 584         .pressure_min           = 0,
 585         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
 586         .acquisition_time       = 1,    /* 4us acquisition time per sample */
 587         .median                 = 2,    /* do 8 measurements */
 588         .averaging              = 1,    /* take the average of 4 middle samples */
 589         .pen_down_acc_interval  = 255,  /* 9.4 ms */
 590         .gpio_output            = 1,    /* configure AUX/VBAT/GPIO as GPIO output */
 591         .gpio_default           = 1,    /* During initialization set GPIO = HIGH */
 592 };
 593 #endif
 594
 595 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 596 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
 597         .enable_dma = 0,
 598         .bits_per_word = 16,
 599 };
 600 #endif
 601
 602 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 603 static struct bfin5xx_spi_chip spidev_chip_info = {
 604         .enable_dma = 0,
 605         .bits_per_word = 8,
 606 };
 607 #endif
 608
 609 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 610 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
 611         .enable_dma     = 0,
 612         .bits_per_word  = 8,
 613 };
 614 #endif
 615
 616 #if defined(CONFIG_MTD_DATAFLASH) \
 617         || defined(CONFIG_MTD_DATAFLASH_MODULE)
 618
 619 static struct mtd_partition bfin_spi_dataflash_partitions[] = {
 620         {
 621                 .name = "bootloader(spi)",
 622                 .size = 0x00040000,
 623                 .offset = 0,
 624                 .mask_flags = MTD_CAP_ROM
 625         }, {
 626                 .name = "linux kernel(spi)",
 627                 .size = 0xe0000,
 628                 .offset = MTDPART_OFS_APPEND,
 629         }, {
 630                 .name = "file system(spi)",
 631                 .size = MTDPART_SIZ_FULL,
 632                 .offset = MTDPART_OFS_APPEND,
 633         }
 634 };
 635
 636 static struct flash_platform_data bfin_spi_dataflash_data = {
 637         .name = "SPI Dataflash",
 638         .parts = bfin_spi_dataflash_partitions,
 639         .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
 640 };
 641
 642 /* DataFlash chip */
 643 static struct bfin5xx_spi_chip data_flash_chip_info = {
 644         .enable_dma = 0,         /* use dma transfer with this chip*/
 645         .bits_per_word = 8,
 646 };
 647 #endif
 648
 649 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 650 #if defined(CONFIG_MTD_M25P80) \
 651         || defined(CONFIG_MTD_M25P80_MODULE)
 652         {
 653                 /* the modalias must be the same as spi device driver name */
 654                 .modalias = "m25p80", /* Name of spi_driver for this device */
 655                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 656                 .bus_num = 0, /* Framework bus number */
 657                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 658                 .platform_data = &bfin_spi_flash_data,
 659                 .controller_data = &spi_flash_chip_info,
 660                 .mode = SPI_MODE_3,
 661         },
 662 #endif
 663 #if defined(CONFIG_MTD_DATAFLASH) \
 664         || defined(CONFIG_MTD_DATAFLASH_MODULE)
 665         {       /* DataFlash chip */
 666                 .modalias = "mtd_dataflash",
 667                 .max_speed_hz = 33250000,     /* max spi clock (SCK) speed in HZ */
 668                 .bus_num = 0, /* Framework bus number */
 669                 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
 670                 .platform_data = &bfin_spi_dataflash_data,
 671                 .controller_data = &data_flash_chip_info,
 672                 .mode = SPI_MODE_3,
 673         },
 674 #endif
 675 #if defined(CONFIG_SPI_ADC_BF533) \
 676         || defined(CONFIG_SPI_ADC_BF533_MODULE)
 677         {
 678                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 679                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 680                 .bus_num = 0, /* Framework bus number */
 681                 .chip_select = 1, /* Framework chip select. */
 682                 .platform_data = NULL, /* No spi_driver specific config */
 683                 .controller_data = &spi_adc_chip_info,
 684         },
 685 #endif
 686
 687 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 688         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 689         {
 690                 .modalias = "ad1836-spi",
 691                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 692                 .bus_num = 0,
 693                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 694                 .controller_data = &ad1836_spi_chip_info,
 695         },
 696 #endif
 697 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
 698         {
 699                 .modalias = "ad9960-spi",
 700                 .max_speed_hz = 10000000,     /* max spi clock (SCK) speed in HZ */
 701                 .bus_num = 0,
 702                 .chip_select = 1,
 703                 .controller_data = &ad9960_spi_chip_info,
 704         },
 705 #endif
 706 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 707         {
 708                 .modalias = "spi_mmc_dummy",
 709                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 710                 .bus_num = 0,
 711                 .chip_select = 0,
 712                 .platform_data = NULL,
 713                 .controller_data = &spi_mmc_chip_info,
 714                 .mode = SPI_MODE_3,
 715         },
 716         {
 717                 .modalias = "spi_mmc",
 718                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 719                 .bus_num = 0,
 720                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 721                 .platform_data = NULL,
 722                 .controller_data = &spi_mmc_chip_info,
 723                 .mode = SPI_MODE_3,
 724         },
 725 #endif
 726 #if defined(CONFIG_PBX)
 727         {
 728                 .modalias = "fxs-spi",
 729                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 730                 .bus_num = 0,
 731                 .chip_select = 8 - CONFIG_J11_JUMPER,
 732                 .controller_data = &spi_si3xxx_chip_info,
 733                 .mode = SPI_MODE_3,
 734         },
 735         {
 736                 .modalias = "fxo-spi",
 737                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 738                 .bus_num = 0,
 739                 .chip_select = 8 - CONFIG_J19_JUMPER,
 740                 .controller_data = &spi_si3xxx_chip_info,
 741                 .mode = SPI_MODE_3,
 742         },
 743 #endif
 744 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 745         {
 746                 .modalias               = "ad7877",
 747                 .platform_data          = &bfin_ad7877_ts_info,
 748                 .irq                    = IRQ_PF6,
 749                 .max_speed_hz   = 12500000,     /* max spi clock (SCK) speed in HZ */
 750                 .bus_num        = 0,
 751                 .chip_select  = 1,
 752                 .controller_data = &spi_ad7877_chip_info,
 753         },
 754 #endif
 755 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 756         {
 757                 .modalias = "ad7879",
 758                 .platform_data = &bfin_ad7879_ts_info,
 759                 .irq = IRQ_PF7,
 760                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 761                 .bus_num = 0,
 762                 .chip_select = 1,
 763                 .controller_data = &spi_ad7879_chip_info,
 764                 .mode = SPI_CPHA | SPI_CPOL,
 765         },
 766 #endif
 767 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 768         {
 769                 .modalias = "spidev",
 770                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 771                 .bus_num = 0,
 772                 .chip_select = 1,
 773                 .controller_data = &spidev_chip_info,
 774         },
 775 #endif
 776 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 777         {
 778                 .modalias = "bfin-lq035q1-spi",
 779                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 780                 .bus_num = 0,
 781                 .chip_select = 2,
 782                 .controller_data = &lq035q1_spi_chip_info,
 783                 .mode = SPI_CPHA | SPI_CPOL,
 784         },
 785 #endif
 786 };
 787
 788 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 789 /* SPI controller data */
 790 static struct bfin5xx_spi_master bfin_spi0_info = {
 791         .num_chipselect = 8,
 792         .enable_dma = 1,  /* master has the ability to do dma transfer */
 793         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 794 };
 795
 796 /* SPI (0) */
 797 static struct resource bfin_spi0_resource[] = {
 798         [0] = {
 799                 .start = SPI0_REGBASE,
 800                 .end   = SPI0_REGBASE + 0xFF,
 801                 .flags = IORESOURCE_MEM,
 802                 },
 803         [1] = {
 804                 .start = CH_SPI,
 805                 .end   = CH_SPI,
 806                 .flags = IORESOURCE_IRQ,
 807         },
 808 };
 809
 810 static struct platform_device bfin_spi0_device = {
 811         .name = "bfin-spi",
 812         .id = 0, /* Bus number */
 813         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 814         .resource = bfin_spi0_resource,
 815         .dev = {
 816                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 817         },
 818 };
 819 #endif  /* spi master and devices */
 820
 821 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 822 static struct platform_device bfin_fb_device = {
 823         .name = "bf537-lq035",
 824 };
 825 #endif
 826
 827 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 828 static struct platform_device bfin_fb_adv7393_device = {
 829         .name = "bfin-adv7393",
 830 };
 831 #endif
 832
 833 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 834 #include <asm/bfin-lq035q1.h>
 835
 836 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
 837         .mode =         LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
 838         .use_bl =       0,      /* let something else control the LCD Blacklight */
 839         .gpio_bl =      GPIO_PF7,
 840 };
 841
 842 static struct resource bfin_lq035q1_resources[] = {
 843         {
 844                 .start = IRQ_PPI_ERROR,
 845                 .end = IRQ_PPI_ERROR,
 846                 .flags = IORESOURCE_IRQ,
 847         },
 848 };
 849
 850 static struct platform_device bfin_lq035q1_device = {
 851         .name           = "bfin-lq035q1",
 852         .id             = -1,
 853         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
 854         .resource       = bfin_lq035q1_resources,
 855         .dev            = {
 856                 .platform_data = &bfin_lq035q1_data,
 857         },
 858 };
 859 #endif
 860
 861 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 862 static struct resource bfin_uart_resources[] = {
 863 #ifdef CONFIG_SERIAL_BFIN_UART0
 864         {
 865                 .start = 0xFFC00400,
 866                 .end = 0xFFC004FF,
 867                 .flags = IORESOURCE_MEM,
 868         },
 869 #endif
 870 #ifdef CONFIG_SERIAL_BFIN_UART1
 871         {
 872                 .start = 0xFFC02000,
 873                 .end = 0xFFC020FF,
 874                 .flags = IORESOURCE_MEM,
 875         },
 876 #endif
 877 };
 878
 879 static struct platform_device bfin_uart_device = {
 880         .name = "bfin-uart",
 881         .id = 1,
 882         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 883         .resource = bfin_uart_resources,
 884 };
 885 #endif
 886
 887 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 888 static struct resource bfin_sir_resources[] = {
 889 #ifdef CONFIG_BFIN_SIR0
 890         {
 891                 .start = 0xFFC00400,
 892                 .end = 0xFFC004FF,
 893                 .flags = IORESOURCE_MEM,
 894         },
 895 #endif
 896 #ifdef CONFIG_BFIN_SIR1
 897         {
 898                 .start = 0xFFC02000,
 899                 .end = 0xFFC020FF,
 900                 .flags = IORESOURCE_MEM,
 901         },
 902 #endif
 903 };
 904
 905 static struct platform_device bfin_sir_device = {
 906         .name = "bfin_sir",
 907         .id = 0,
 908         .num_resources = ARRAY_SIZE(bfin_sir_resources),
 909         .resource = bfin_sir_resources,
 910 };
 911 #endif
 912
 913 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 914 static struct resource bfin_twi0_resource[] = {
 915         [0] = {
 916                 .start = TWI0_REGBASE,
 917                 .end   = TWI0_REGBASE,
 918                 .flags = IORESOURCE_MEM,
 919         },
 920         [1] = {
 921                 .start = IRQ_TWI,
 922                 .end   = IRQ_TWI,
 923                 .flags = IORESOURCE_IRQ,
 924         },
 925 };
 926
 927 static struct platform_device i2c_bfin_twi_device = {
 928         .name = "i2c-bfin-twi",
 929         .id = 0,
 930         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 931         .resource = bfin_twi0_resource,
 932 };
 933 #endif
 934
 935 #ifdef CONFIG_I2C_BOARDINFO
 936 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 937 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
 938         {
 939                 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
 940                 .irq = IRQ_PF5,
 941         },
 942 #endif
 943 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
 944         {
 945                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 946         },
 947 #endif
 948 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
 949         {
 950                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 951                 .irq = IRQ_PG6,
 952         },
 953 #endif
 954 #if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
 955         {
 956                 I2C_BOARD_INFO("ad7879", 0x2F),
 957                 .irq = IRQ_PG5,
 958                 .platform_data = (void *)&bfin_ad7879_ts_info,
 959         },
 960 #endif
 961 };
 962 #endif
 963
 964 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 965 static struct platform_device bfin_sport0_uart_device = {
 966         .name = "bfin-sport-uart",
 967         .id = 0,
 968 };
 969
 970 static struct platform_device bfin_sport1_uart_device = {
 971         .name = "bfin-sport-uart",
 972         .id = 1,
 973 };
 974 #endif
 975
 976 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 977 #define PATA_INT        IRQ_PF5
 978
 979 static struct pata_platform_info bfin_pata_platform_data = {
 980         .ioport_shift = 1,
 981         .irq_flags = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 982 };
 983
 984 static struct resource bfin_pata_resources[] = {
 985         {
 986                 .start = 0x20314020,
 987                 .end = 0x2031403F,
 988                 .flags = IORESOURCE_MEM,
 989         },
 990         {
 991                 .start = 0x2031401C,
 992                 .end = 0x2031401F,
 993                 .flags = IORESOURCE_MEM,
 994         },
 995         {
 996                 .start = PATA_INT,
 997                 .end = PATA_INT,
 998                 .flags = IORESOURCE_IRQ,
 999         },
1000 };
1001
1002 static struct platform_device bfin_pata_device = {
1003         .name = "pata_platform",
1004         .id = -1,
1005         .num_resources = ARRAY_SIZE(bfin_pata_resources),
1006         .resource = bfin_pata_resources,
1007         .dev = {
1008                 .platform_data = &bfin_pata_platform_data,
1009         }
1010 };
1011 #endif
1012
1013 static const unsigned int cclk_vlev_datasheet[] =
1014 {
1015         VRPAIR(VLEV_085, 250000000),
1016         VRPAIR(VLEV_090, 376000000),
1017         VRPAIR(VLEV_095, 426000000),
1018         VRPAIR(VLEV_100, 426000000),
1019         VRPAIR(VLEV_105, 476000000),
1020         VRPAIR(VLEV_110, 476000000),
1021         VRPAIR(VLEV_115, 476000000),
1022         VRPAIR(VLEV_120, 500000000),
1023         VRPAIR(VLEV_125, 533000000),
1024         VRPAIR(VLEV_130, 600000000),
1025 };
1026
1027 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
1028         .tuple_tab = cclk_vlev_datasheet,
1029         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
1030         .vr_settling_time = 25 /* us */,
1031 };
1032
1033 static struct platform_device bfin_dpmc = {
1034         .name = "bfin dpmc",
1035         .dev = {
1036                 .platform_data = &bfin_dmpc_vreg_data,
1037         },
1038 };
1039
1040 static struct platform_device *stamp_devices[] __initdata = {
1041
1042         &bfin_dpmc,
1043
1044 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
1045         &bfin_pcmcia_cf_device,
1046 #endif
1047
1048 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
1049         &rtc_device,
1050 #endif
1051
1052 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
1053         &sl811_hcd_device,
1054 #endif
1055
1056 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
1057         &isp1362_hcd_device,
1058 #endif
1059
1060 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
1061         &smc91x_device,
1062 #endif
1063
1064 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
1065         &dm9000_device,
1066 #endif
1067
1068 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
1069         &ax88180_device,
1070 #endif
1071
1072 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
1073         &bfin_mac_device,
1074 #endif
1075
1076 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
1077         &net2272_bfin_device,
1078 #endif
1079
1080 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
1081         &bfin_spi0_device,
1082 #endif
1083
1084 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
1085         &bfin_fb_device,
1086 #endif
1087
1088 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
1089         &bfin_lq035q1_device,
1090 #endif
1091
1092 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
1093         &bfin_fb_adv7393_device,
1094 #endif
1095
1096 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
1097         &bfin_uart_device,
1098 #endif
1099
1100 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
1101         &bfin_sir_device,
1102 #endif
1103
1104 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
1105         &i2c_bfin_twi_device,
1106 #endif
1107
1108 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
1109         &bfin_sport0_uart_device,
1110         &bfin_sport1_uart_device,
1111 #endif
1112
1113 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
1114         &bfin_pata_device,
1115 #endif
1116
1117 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
1118         &bfin_device_gpiokeys,
1119 #endif
1120
1121         &bfin_gpios_device,
1122
1123 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
1124         &bfin_async_nand_device,
1125 #endif
1126
1127 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
1128         &stamp_flash_device,
1129 #endif
1130 };
1131
1132 static int __init stamp_init(void)
1133 {
1134         printk(KERN_INFO "%s(): registering device resources\n", __func__);
1135
1136 #ifdef CONFIG_I2C_BOARDINFO
1137         i2c_register_board_info(0, bfin_i2c_board_info,
1138                                 ARRAY_SIZE(bfin_i2c_board_info));
1139 #endif
1140
1141         bfin_plat_nand_init();
1142         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
1143         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
1144
1145 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
1146         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
1147 #endif
1148
1149         return 0;
1150 }
1151
1152 arch_initcall(stamp_init);
1153
1154 void native_machine_restart(char *cmd)
1155 {
1156         /* workaround reboot hang when booting from SPI */
1157         if ((bfin_read_SYSCR() & 0x7) == 0x3)
1158                 bfin_gpio_reset_spi0_ssel1();
1159 }
1160
1161 /*
1162  * Currently the MAC address is saved in Flash by U-Boot
1163  */
1164 #define FLASH_MAC       0x203f0000
1165 void bfin_get_ether_addr(char *addr)
1166 {
1167         *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
1168         *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
1169 }
1170 EXPORT_SYMBOL(bfin_get_ether_addr);