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/pata_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 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 230 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 231         {
 232                 /* the modalias must be the same as spi device driver name */
 233                 .modalias = "m25p80", /* Name of spi_driver for this device */
 234                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 235                 .bus_num = 0, /* Framework bus number */
 236                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 237                 .platform_data = &bfin_spi_flash_data,
 238                 .controller_data = &spi_flash_chip_info,
 239                 .mode = SPI_MODE_3,
 240         },
 241 #endif
 242
 243 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 244         {
 245                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 246                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 247                 .bus_num = 0, /* Framework bus number */
 248                 .chip_select = 1, /* Framework chip select. */
 249                 .platform_data = NULL, /* No spi_driver specific config */
 250                 .controller_data = &spi_adc_chip_info,
 251         },
 252 #endif
 253
 254 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 255         {
 256                 .modalias = "ad1836-spi",
 257                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
 258                 .bus_num = 0,
 259                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 260                 .controller_data = &ad1836_spi_chip_info,
 261         },
 262 #endif
 263
 264 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 265         {
 266                 .modalias = "spi_mmc_dummy",
 267                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 268                 .bus_num = 0,
 269                 .chip_select = 0,
 270                 .platform_data = NULL,
 271                 .controller_data = &spi_mmc_chip_info,
 272                 .mode = SPI_MODE_3,
 273         },
 274         {
 275                 .modalias = "spi_mmc",
 276                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 277                 .bus_num = 0,
 278                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 279                 .platform_data = NULL,
 280                 .controller_data = &spi_mmc_chip_info,
 281                 .mode = SPI_MODE_3,
 282         },
 283 #endif
 284
 285 #if defined(CONFIG_PBX)
 286         {
 287                 .modalias = "fxs-spi",
 288                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 289                 .bus_num = 0,
 290                 .chip_select = 8 - CONFIG_J11_JUMPER,
 291                 .controller_data = &spi_si3xxx_chip_info,
 292                 .mode = SPI_MODE_3,
 293         },
 294         {
 295                 .modalias = "fxo-spi",
 296                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 297                 .bus_num = 0,
 298                 .chip_select = 8 - CONFIG_J19_JUMPER,
 299                 .controller_data = &spi_si3xxx_chip_info,
 300                 .mode = SPI_MODE_3,
 301         },
 302 #endif
 303
 304 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
 305         {
 306                 .modalias = "ad5304_spi",
 307                 .max_speed_hz = 1000000,     /* max spi clock (SCK) speed in HZ */
 308                 .bus_num = 0,
 309                 .chip_select = 2,
 310                 .platform_data = NULL,
 311                 .controller_data = &ad5304_chip_info,
 312                 .mode = SPI_MODE_2,
 313         },
 314 #endif
 315 };
 316
 317 /* SPI (0) */
 318 static struct resource bfin_spi0_resource[] = {
 319         [0] = {
 320                 .start = SPI0_REGBASE,
 321                 .end   = SPI0_REGBASE + 0xFF,
 322                 .flags = IORESOURCE_MEM,
 323         },
 324         [1] = {
 325                 .start = CH_SPI,
 326                 .end   = CH_SPI,
 327                 .flags = IORESOURCE_IRQ,
 328         }
 329 };
 330
 331 /* SPI controller data */
 332 static struct bfin5xx_spi_master bfin_spi0_info = {
 333         .num_chipselect = 8,
 334         .enable_dma = 1,  /* master has the ability to do dma transfer */
 335         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 336 };
 337
 338 static struct platform_device bfin_spi0_device = {
 339         .name = "bfin-spi",
 340         .id = 0, /* Bus number */
 341         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 342         .resource = bfin_spi0_resource,
 343         .dev = {
 344                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 345         },
 346 };
 347 #endif  /* spi master and devices */
 348
 349 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 350 static struct platform_device bfin_fb_device = {
 351         .name = "bf537-fb",
 352 };
 353 #endif
 354
 355 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 356 static struct resource bfin_uart_resources[] = {
 357         {
 358                 .start = 0xFFC00400,
 359                 .end = 0xFFC004FF,
 360                 .flags = IORESOURCE_MEM,
 361         },
 362 };
 363
 364 static struct platform_device bfin_uart_device = {
 365         .name = "bfin-uart",
 366         .id = 1,
 367         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 368         .resource = bfin_uart_resources,
 369 };
 370 #endif
 371
 372 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 373 static struct platform_device bfin_sport0_uart_device = {
 374         .name = "bfin-sport-uart",
 375         .id = 0,
 376 };
 377
 378 static struct platform_device bfin_sport1_uart_device = {
 379         .name = "bfin-sport-uart",
 380         .id = 1,
 381 };
 382 #endif
 383
 384 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 385 #define PATA_INT        55
 386
 387 static struct pata_platform_info bfin_pata_platform_data = {
 388         .ioport_shift = 1,
 389         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 390 };
 391
 392 static struct resource bfin_pata_resources[] = {
 393         {
 394                 .start = 0x20314020,
 395                 .end = 0x2031403F,
 396                 .flags = IORESOURCE_MEM,
 397         },
 398         {
 399                 .start = 0x2031401C,
 400                 .end = 0x2031401F,
 401                 .flags = IORESOURCE_MEM,
 402         },
 403         {
 404                 .start = PATA_INT,
 405                 .end = PATA_INT,
 406                 .flags = IORESOURCE_IRQ,
 407         },
 408 };
 409
 410 static struct platform_device bfin_pata_device = {
 411         .name = "pata_platform",
 412         .id = -1,
 413         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 414         .resource = bfin_pata_resources,
 415         .dev = {
 416                 .platform_data = &bfin_pata_platform_data,
 417         }
 418 };
 419 #endif
 420
 421 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 422 #include <linux/input.h>
 423 #include <linux/gpio_keys.h>
 424
 425 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 426         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 427         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 428         {BTN_2, GPIO_PF8, 1, "gpio-keys: BTN2"},
 429 };
 430
 431 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 432         .buttons        = bfin_gpio_keys_table,
 433         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 434 };
 435
 436 static struct platform_device bfin_device_gpiokeys = {
 437         .name      = "gpio-keys",
 438         .dev = {
 439                 .platform_data = &bfin_gpio_keys_data,
 440         },
 441 };
 442 #endif
 443
 444 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 445 #include <linux/i2c-gpio.h>
 446
 447 static struct i2c_gpio_platform_data i2c_gpio_data = {
 448         .sda_pin                = 2,
 449         .scl_pin                = 3,
 450         .sda_is_open_drain      = 0,
 451         .scl_is_open_drain      = 0,
 452         .udelay                 = 40,
 453 };
 454
 455 static struct platform_device i2c_gpio_device = {
 456         .name           = "i2c-gpio",
 457         .id             = 0,
 458         .dev            = {
 459                 .platform_data  = &i2c_gpio_data,
 460         },
 461 };
 462 #endif
 463
 464 static struct platform_device *stamp_devices[] __initdata = {
 465 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 466         &rtc_device,
 467 #endif
 468
 469 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 470         &smc91x_device,
 471 #endif
 472
 473 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 474         &bfin_fb_adv7393_device,
 475 #endif
 476
 477 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 478         &net2272_bfin_device,
 479 #endif
 480
 481 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 482         &bfin_spi0_device,
 483 #endif
 484
 485 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 486         &bfin_uart_device,
 487 #endif
 488
 489 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 490         &bfin_sport0_uart_device,
 491         &bfin_sport1_uart_device,
 492 #endif
 493
 494 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 495         &bfin_pata_device,
 496 #endif
 497
 498 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 499         &bfin_device_gpiokeys,
 500 #endif
 501
 502 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 503         &i2c_gpio_device,
 504 #endif
 505         &stamp_flash_device,
 506 };
 507
 508 static int __init stamp_init(void)
 509 {
 510         int ret;
 511
 512         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 513         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 514         if (ret < 0)
 515                 return ret;
 516
 517 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 518         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
 519         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
 520         bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
 521         SSYNC();
 522 #endif
 523
 524 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 525         spi_register_board_info(bfin_spi_board_info,
 526                                 ARRAY_SIZE(bfin_spi_board_info));
 527 #endif
 528 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 529         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 530 #endif
 531         return 0;
 532 }
 533
 534 arch_initcall(stamp_init);
 535
 536 void native_machine_restart(char *cmd)
 537 {
 538 #define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
 539         bfin_write_FIO_INEN(~BIT_TO_SET);
 540         bfin_write_FIO_DIR(BIT_TO_SET);
 541         bfin_write_FIO_FLAG_C(BIT_TO_SET);
 542 }