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

   1 /*
   2  * File:         arch/blackfin/mach-bf533/stamp.c
   3  * Based on:     arch/blackfin/mach-bf533/ezkit.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:      2005
   7  * Description:  Board Info File for the BF533-STAMP
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2006 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/mtd/physmap.h>
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/flash.h>
  38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  39 #include <linux/usb/isp1362.h>
  40 #endif
  41 #include <linux/ata_platform.h>
  42 #include <linux/irq.h>
  43 #include <asm/dma.h>
  44 #include <asm/bfin5xx_spi.h>
  45 #include <asm/reboot.h>
  46 #include <asm/portmux.h>
  47
  48 /*
  49  * Name the Board for the /proc/cpuinfo
  50  */
  51 const char bfin_board_name[] = "ADDS-BF533-STAMP";
  52
  53 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  54 static struct platform_device rtc_device = {
  55         .name = "rtc-bfin",
  56         .id   = -1,
  57 };
  58 #endif
  59
  60 /*
  61  *  Driver needs to know address, irq and flag pin.
  62  */
  63 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  64 static struct resource smc91x_resources[] = {
  65         {
  66                 .name = "smc91x-regs",
  67                 .start = 0x20300300,
  68                 .end = 0x20300300 + 16,
  69                 .flags = IORESOURCE_MEM,
  70         }, {
  71                 .start = IRQ_PF7,
  72                 .end = IRQ_PF7,
  73                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  74         },
  75 };
  76
  77 static struct platform_device smc91x_device = {
  78         .name = "smc91x",
  79         .id = 0,
  80         .num_resources = ARRAY_SIZE(smc91x_resources),
  81         .resource = smc91x_resources,
  82 };
  83 #endif
  84
  85 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  86 static struct platform_device bfin_fb_adv7393_device = {
  87         .name = "bfin-adv7393",
  88 };
  89 #endif
  90
  91 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
  92 static struct resource net2272_bfin_resources[] = {
  93         {
  94                 .start = 0x20300000,
  95                 .end = 0x20300000 + 0x100,
  96                 .flags = IORESOURCE_MEM,
  97         }, {
  98                 .start = IRQ_PF10,
  99                 .end = IRQ_PF10,
 100                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 101         },
 102 };
 103
 104 static struct platform_device net2272_bfin_device = {
 105         .name = "net2272",
 106         .id = -1,
 107         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 108         .resource = net2272_bfin_resources,
 109 };
 110 #endif
 111
 112 static struct mtd_partition stamp_partitions[] = {
 113         {
 114                 .name   = "Bootloader",
 115                 .size   = 0x20000,
 116                 .offset = 0,
 117         }, {
 118                 .name   = "Kernel",
 119                 .size   = 0xE0000,
 120                 .offset = MTDPART_OFS_APPEND,
 121         }, {
 122                 .name   = "RootFS",
 123                 .size   = MTDPART_SIZ_FULL,
 124                 .offset = MTDPART_OFS_APPEND,
 125         }
 126 };
 127
 128 static struct physmap_flash_data stamp_flash_data = {
 129         .width    = 2,
 130         .parts    = stamp_partitions,
 131         .nr_parts = ARRAY_SIZE(stamp_partitions),
 132 };
 133
 134 static struct resource stamp_flash_resource[] = {
 135         {
 136                 .name  = "cfi_probe",
 137                 .start = 0x20000000,
 138                 .end   = 0x203fffff,
 139                 .flags = IORESOURCE_MEM,
 140         }, {
 141                 .start = CONFIG_ENET_FLASH_PIN,
 142                 .flags = IORESOURCE_IRQ,
 143         }
 144 };
 145
 146 static struct platform_device stamp_flash_device = {
 147         .name          = "BF5xx-Flash",
 148         .id            = 0,
 149         .dev = {
 150                 .platform_data = &stamp_flash_data,
 151         },
 152         .num_resources = ARRAY_SIZE(stamp_flash_resource),
 153         .resource      = stamp_flash_resource,
 154 };
 155
 156 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 157 /* all SPI peripherals info goes here */
 158
 159 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 160 static struct mtd_partition bfin_spi_flash_partitions[] = {
 161         {
 162                 .name = "bootloader",
 163                 .size = 0x00020000,
 164                 .offset = 0,
 165                 .mask_flags = MTD_CAP_ROM
 166         }, {
 167                 .name = "kernel",
 168                 .size = 0xe0000,
 169                 .offset = 0x20000
 170         }, {
 171                 .name = "file system",
 172                 .size = 0x700000,
 173                 .offset = 0x00100000,
 174         }
 175 };
 176
 177 static struct flash_platform_data bfin_spi_flash_data = {
 178         .name = "m25p80",
 179         .parts = bfin_spi_flash_partitions,
 180         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 181         .type = "m25p64",
 182 };
 183
 184 /* SPI flash chip (m25p64) */
 185 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 186         .enable_dma = 0,         /* use dma transfer with this chip*/
 187         .bits_per_word = 8,
 188 };
 189 #endif
 190
 191 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 192 /* SPI ADC chip */
 193 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 194         .enable_dma = 1,         /* use dma transfer with this chip*/
 195         .bits_per_word = 16,
 196 };
 197 #endif
 198
 199 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 200 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 201         .enable_dma = 0,
 202         .bits_per_word = 16,
 203 };
 204 #endif
 205
 206 #if defined(CONFIG_PBX)
 207 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 208         .ctl_reg        = 0x4, /* send zero */
 209         .enable_dma     = 0,
 210         .bits_per_word  = 8,
 211         .cs_change_per_word = 1,
 212 };
 213 #endif
 214
 215 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
 216 static struct bfin5xx_spi_chip ad5304_chip_info = {
 217         .enable_dma = 0,
 218         .bits_per_word = 16,
 219 };
 220 #endif
 221
 222 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 223 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
 224         .enable_dma = 1,
 225         .bits_per_word = 8,
 226 };
 227 #endif
 228
 229 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 230 static struct bfin5xx_spi_chip spidev_chip_info = {
 231         .enable_dma = 0,
 232         .bits_per_word = 8,
 233 };
 234 #endif
 235
 236 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 237 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 238         {
 239                 /* the modalias must be the same as spi device driver name */
 240                 .modalias = "m25p80", /* Name of spi_driver for this device */
 241                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 242                 .bus_num = 0, /* Framework bus number */
 243                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 244                 .platform_data = &bfin_spi_flash_data,
 245                 .controller_data = &spi_flash_chip_info,
 246                 .mode = SPI_MODE_3,
 247         },
 248 #endif
 249
 250 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 251         {
 252                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 253                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 254                 .bus_num = 0, /* Framework bus number */
 255                 .chip_select = 1, /* Framework chip select. */
 256                 .platform_data = NULL, /* No spi_driver specific config */
 257                 .controller_data = &spi_adc_chip_info,
 258         },
 259 #endif
 260
 261 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 262         {
 263                 .modalias = "ad1836-spi",
 264                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
 265                 .bus_num = 0,
 266                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 267                 .controller_data = &ad1836_spi_chip_info,
 268         },
 269 #endif
 270
 271 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 272         {
 273                 .modalias = "spi_mmc_dummy",
 274                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 275                 .bus_num = 0,
 276                 .chip_select = 0,
 277                 .platform_data = NULL,
 278                 .controller_data = &spi_mmc_chip_info,
 279                 .mode = SPI_MODE_3,
 280         },
 281         {
 282                 .modalias = "spi_mmc",
 283                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 284                 .bus_num = 0,
 285                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 286                 .platform_data = NULL,
 287                 .controller_data = &spi_mmc_chip_info,
 288                 .mode = SPI_MODE_3,
 289         },
 290 #endif
 291
 292 #if defined(CONFIG_PBX)
 293         {
 294                 .modalias = "fxs-spi",
 295                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 296                 .bus_num = 0,
 297                 .chip_select = 8 - CONFIG_J11_JUMPER,
 298                 .controller_data = &spi_si3xxx_chip_info,
 299                 .mode = SPI_MODE_3,
 300         },
 301         {
 302                 .modalias = "fxo-spi",
 303                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 304                 .bus_num = 0,
 305                 .chip_select = 8 - CONFIG_J19_JUMPER,
 306                 .controller_data = &spi_si3xxx_chip_info,
 307                 .mode = SPI_MODE_3,
 308         },
 309 #endif
 310
 311 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
 312         {
 313                 .modalias = "ad5304_spi",
 314                 .max_speed_hz = 1000000,     /* max spi clock (SCK) speed in HZ */
 315                 .bus_num = 0,
 316                 .chip_select = 2,
 317                 .platform_data = NULL,
 318                 .controller_data = &ad5304_chip_info,
 319                 .mode = SPI_MODE_2,
 320         },
 321 #endif
 322 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 323         {
 324                 .modalias = "spidev",
 325                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 326                 .bus_num = 0,
 327                 .chip_select = 1,
 328                 .controller_data = &spidev_chip_info,
 329         },
 330 #endif
 331 };
 332
 333 /* SPI (0) */
 334 static struct resource bfin_spi0_resource[] = {
 335         [0] = {
 336                 .start = SPI0_REGBASE,
 337                 .end   = SPI0_REGBASE + 0xFF,
 338                 .flags = IORESOURCE_MEM,
 339         },
 340         [1] = {
 341                 .start = CH_SPI,
 342                 .end   = CH_SPI,
 343                 .flags = IORESOURCE_IRQ,
 344         }
 345 };
 346
 347 /* SPI controller data */
 348 static struct bfin5xx_spi_master bfin_spi0_info = {
 349         .num_chipselect = 8,
 350         .enable_dma = 1,  /* master has the ability to do dma transfer */
 351         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 352 };
 353
 354 static struct platform_device bfin_spi0_device = {
 355         .name = "bfin-spi",
 356         .id = 0, /* Bus number */
 357         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 358         .resource = bfin_spi0_resource,
 359         .dev = {
 360                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 361         },
 362 };
 363 #endif  /* spi master and devices */
 364
 365 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 366 static struct platform_device bfin_fb_device = {
 367         .name = "bf537-fb",
 368 };
 369 #endif
 370
 371 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 372 static struct resource bfin_uart_resources[] = {
 373         {
 374                 .start = 0xFFC00400,
 375                 .end = 0xFFC004FF,
 376                 .flags = IORESOURCE_MEM,
 377         },
 378 };
 379
 380 static struct platform_device bfin_uart_device = {
 381         .name = "bfin-uart",
 382         .id = 1,
 383         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 384         .resource = bfin_uart_resources,
 385 };
 386 #endif
 387
 388 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 389 static struct platform_device bfin_sport0_uart_device = {
 390         .name = "bfin-sport-uart",
 391         .id = 0,
 392 };
 393
 394 static struct platform_device bfin_sport1_uart_device = {
 395         .name = "bfin-sport-uart",
 396         .id = 1,
 397 };
 398 #endif
 399
 400 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 401 #define PATA_INT        55
 402
 403 static struct pata_platform_info bfin_pata_platform_data = {
 404         .ioport_shift = 1,
 405         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 406 };
 407
 408 static struct resource bfin_pata_resources[] = {
 409         {
 410                 .start = 0x20314020,
 411                 .end = 0x2031403F,
 412                 .flags = IORESOURCE_MEM,
 413         },
 414         {
 415                 .start = 0x2031401C,
 416                 .end = 0x2031401F,
 417                 .flags = IORESOURCE_MEM,
 418         },
 419         {
 420                 .start = PATA_INT,
 421                 .end = PATA_INT,
 422                 .flags = IORESOURCE_IRQ,
 423         },
 424 };
 425
 426 static struct platform_device bfin_pata_device = {
 427         .name = "pata_platform",
 428         .id = -1,
 429         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 430         .resource = bfin_pata_resources,
 431         .dev = {
 432                 .platform_data = &bfin_pata_platform_data,
 433         }
 434 };
 435 #endif
 436
 437 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 438 #include <linux/input.h>
 439 #include <linux/gpio_keys.h>
 440
 441 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 442         {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
 443         {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
 444         {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
 445 };
 446
 447 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 448         .buttons        = bfin_gpio_keys_table,
 449         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 450 };
 451
 452 static struct platform_device bfin_device_gpiokeys = {
 453         .name      = "gpio-keys",
 454         .dev = {
 455                 .platform_data = &bfin_gpio_keys_data,
 456         },
 457 };
 458 #endif
 459
 460 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 461 #include <linux/i2c-gpio.h>
 462
 463 static struct i2c_gpio_platform_data i2c_gpio_data = {
 464         .sda_pin                = 2,
 465         .scl_pin                = 3,
 466         .sda_is_open_drain      = 0,
 467         .scl_is_open_drain      = 0,
 468         .udelay                 = 40,
 469 };
 470
 471 static struct platform_device i2c_gpio_device = {
 472         .name           = "i2c-gpio",
 473         .id             = 0,
 474         .dev            = {
 475                 .platform_data  = &i2c_gpio_data,
 476         },
 477 };
 478 #endif
 479
 480 static struct platform_device *stamp_devices[] __initdata = {
 481 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 482         &rtc_device,
 483 #endif
 484
 485 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 486         &smc91x_device,
 487 #endif
 488
 489 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 490         &bfin_fb_adv7393_device,
 491 #endif
 492
 493 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 494         &net2272_bfin_device,
 495 #endif
 496
 497 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 498         &bfin_spi0_device,
 499 #endif
 500
 501 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 502         &bfin_uart_device,
 503 #endif
 504
 505 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 506         &bfin_sport0_uart_device,
 507         &bfin_sport1_uart_device,
 508 #endif
 509
 510 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 511         &bfin_pata_device,
 512 #endif
 513
 514 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 515         &bfin_device_gpiokeys,
 516 #endif
 517
 518 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 519         &i2c_gpio_device,
 520 #endif
 521         &stamp_flash_device,
 522 };
 523
 524 static int __init stamp_init(void)
 525 {
 526         int ret;
 527
 528         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 529         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 530         if (ret < 0)
 531                 return ret;
 532
 533 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 534         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
 535         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
 536         bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
 537         SSYNC();
 538 #endif
 539
 540 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 541         spi_register_board_info(bfin_spi_board_info,
 542                                 ARRAY_SIZE(bfin_spi_board_info));
 543 #endif
 544 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 545         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 546 #endif
 547         return 0;
 548 }
 549
 550 arch_initcall(stamp_init);
 551
 552 void native_machine_restart(char *cmd)
 553 {
 554 #define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
 555         bfin_write_FIO_INEN(~BIT_TO_SET);
 556         bfin_write_FIO_DIR(BIT_TO_SET);
 557         bfin_write_FIO_FLAG_C(BIT_TO_SET);
 558 }