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/spi/spi.h>
  36 #include <linux/spi/flash.h>
  37 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  38 #include <linux/usb/isp1362.h>
  39 #endif
  40 #include <linux/pata_platform.h>
  41 #include <linux/irq.h>
  42 #include <asm/dma.h>
  43 #include <asm/bfin5xx_spi.h>
  44 #include <asm/reboot.h>
  45 #include <asm/portmux.h>
  46
  47 /*
  48  * Name the Board for the /proc/cpuinfo
  49  */
  50 const char bfin_board_name[] = "ADDS-BF533-STAMP";
  51
  52 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  53 static struct platform_device rtc_device = {
  54         .name = "rtc-bfin",
  55         .id   = -1,
  56 };
  57 #endif
  58
  59 /*
  60  *  Driver needs to know address, irq and flag pin.
  61  */
  62 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  63 static struct resource smc91x_resources[] = {
  64         {
  65                 .name = "smc91x-regs",
  66                 .start = 0x20300300,
  67                 .end = 0x20300300 + 16,
  68                 .flags = IORESOURCE_MEM,
  69         }, {
  70                 .start = IRQ_PF7,
  71                 .end = IRQ_PF7,
  72                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  73         },
  74 };
  75
  76 static struct platform_device smc91x_device = {
  77         .name = "smc91x",
  78         .id = 0,
  79         .num_resources = ARRAY_SIZE(smc91x_resources),
  80         .resource = smc91x_resources,
  81 };
  82 #endif
  83
  84 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  85 static struct platform_device bfin_fb_adv7393_device = {
  86         .name = "bfin-adv7393",
  87 };
  88 #endif
  89
  90 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
  91 static struct resource net2272_bfin_resources[] = {
  92         {
  93                 .start = 0x20300000,
  94                 .end = 0x20300000 + 0x100,
  95                 .flags = IORESOURCE_MEM,
  96         }, {
  97                 .start = IRQ_PF10,
  98                 .end = IRQ_PF10,
  99                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 100         },
 101 };
 102
 103 static struct platform_device net2272_bfin_device = {
 104         .name = "net2272",
 105         .id = -1,
 106         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 107         .resource = net2272_bfin_resources,
 108 };
 109 #endif
 110
 111 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 112 /* all SPI peripherals info goes here */
 113
 114 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 115 static struct mtd_partition bfin_spi_flash_partitions[] = {
 116         {
 117                 .name = "bootloader",
 118                 .size = 0x00020000,
 119                 .offset = 0,
 120                 .mask_flags = MTD_CAP_ROM
 121         }, {
 122                 .name = "kernel",
 123                 .size = 0xe0000,
 124                 .offset = 0x20000
 125         }, {
 126                 .name = "file system",
 127                 .size = 0x700000,
 128                 .offset = 0x00100000,
 129         }
 130 };
 131
 132 static struct flash_platform_data bfin_spi_flash_data = {
 133         .name = "m25p80",
 134         .parts = bfin_spi_flash_partitions,
 135         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 136         .type = "m25p64",
 137 };
 138
 139 /* SPI flash chip (m25p64) */
 140 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 141         .enable_dma = 0,         /* use dma transfer with this chip*/
 142         .bits_per_word = 8,
 143 };
 144 #endif
 145
 146 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 147 /* SPI ADC chip */
 148 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 149         .enable_dma = 1,         /* use dma transfer with this chip*/
 150         .bits_per_word = 16,
 151 };
 152 #endif
 153
 154 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 155 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 156         .enable_dma = 0,
 157         .bits_per_word = 16,
 158 };
 159 #endif
 160
 161 #if defined(CONFIG_PBX)
 162 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
 163         .ctl_reg        = 0x4, /* send zero */
 164         .enable_dma     = 0,
 165         .bits_per_word  = 8,
 166         .cs_change_per_word = 1,
 167 };
 168 #endif
 169
 170 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
 171 static struct bfin5xx_spi_chip ad5304_chip_info = {
 172         .enable_dma = 0,
 173         .bits_per_word = 16,
 174 };
 175 #endif
 176
 177 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 178 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
 179         .enable_dma = 1,
 180         .bits_per_word = 8,
 181 };
 182 #endif
 183
 184 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 186         {
 187                 /* the modalias must be the same as spi device driver name */
 188                 .modalias = "m25p80", /* Name of spi_driver for this device */
 189                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 190                 .bus_num = 0, /* Framework bus number */
 191                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 192                 .platform_data = &bfin_spi_flash_data,
 193                 .controller_data = &spi_flash_chip_info,
 194                 .mode = SPI_MODE_3,
 195         },
 196 #endif
 197
 198 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 199         {
 200                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 201                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 202                 .bus_num = 0, /* Framework bus number */
 203                 .chip_select = 1, /* Framework chip select. */
 204                 .platform_data = NULL, /* No spi_driver specific config */
 205                 .controller_data = &spi_adc_chip_info,
 206         },
 207 #endif
 208
 209 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 210         {
 211                 .modalias = "ad1836-spi",
 212                 .max_speed_hz = 31250000,     /* max spi clock (SCK) speed in HZ */
 213                 .bus_num = 0,
 214                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 215                 .controller_data = &ad1836_spi_chip_info,
 216         },
 217 #endif
 218
 219 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
 220         {
 221                 .modalias = "spi_mmc_dummy",
 222                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 223                 .bus_num = 0,
 224                 .chip_select = 0,
 225                 .platform_data = NULL,
 226                 .controller_data = &spi_mmc_chip_info,
 227                 .mode = SPI_MODE_3,
 228         },
 229         {
 230                 .modalias = "spi_mmc",
 231                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 232                 .bus_num = 0,
 233                 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
 234                 .platform_data = NULL,
 235                 .controller_data = &spi_mmc_chip_info,
 236                 .mode = SPI_MODE_3,
 237         },
 238 #endif
 239
 240 #if defined(CONFIG_PBX)
 241         {
 242                 .modalias = "fxs-spi",
 243                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 244                 .bus_num = 0,
 245                 .chip_select = 8 - CONFIG_J11_JUMPER,
 246                 .controller_data = &spi_si3xxx_chip_info,
 247                 .mode = SPI_MODE_3,
 248         },
 249         {
 250                 .modalias = "fxo-spi",
 251                 .max_speed_hz = 12500000,     /* max spi clock (SCK) speed in HZ */
 252                 .bus_num = 0,
 253                 .chip_select = 8 - CONFIG_J19_JUMPER,
 254                 .controller_data = &spi_si3xxx_chip_info,
 255                 .mode = SPI_MODE_3,
 256         },
 257 #endif
 258
 259 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
 260         {
 261                 .modalias = "ad5304_spi",
 262                 .max_speed_hz = 1000000,     /* max spi clock (SCK) speed in HZ */
 263                 .bus_num = 0,
 264                 .chip_select = 2,
 265                 .platform_data = NULL,
 266                 .controller_data = &ad5304_chip_info,
 267                 .mode = SPI_MODE_2,
 268         },
 269 #endif
 270 };
 271
 272 /* SPI (0) */
 273 static struct resource bfin_spi0_resource[] = {
 274         [0] = {
 275                 .start = SPI0_REGBASE,
 276                 .end   = SPI0_REGBASE + 0xFF,
 277                 .flags = IORESOURCE_MEM,
 278         },
 279         [1] = {
 280                 .start = CH_SPI,
 281                 .end   = CH_SPI,
 282                 .flags = IORESOURCE_IRQ,
 283         }
 284 };
 285
 286 /* SPI controller data */
 287 static struct bfin5xx_spi_master bfin_spi0_info = {
 288         .num_chipselect = 8,
 289         .enable_dma = 1,  /* master has the ability to do dma transfer */
 290         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 291 };
 292
 293 static struct platform_device bfin_spi0_device = {
 294         .name = "bfin-spi",
 295         .id = 0, /* Bus number */
 296         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 297         .resource = bfin_spi0_resource,
 298         .dev = {
 299                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 300         },
 301 };
 302 #endif  /* spi master and devices */
 303
 304 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
 305 static struct platform_device bfin_fb_device = {
 306         .name = "bf537-fb",
 307 };
 308 #endif
 309
 310 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 311 static struct resource bfin_uart_resources[] = {
 312         {
 313                 .start = 0xFFC00400,
 314                 .end = 0xFFC004FF,
 315                 .flags = IORESOURCE_MEM,
 316         },
 317 };
 318
 319 static struct platform_device bfin_uart_device = {
 320         .name = "bfin-uart",
 321         .id = 1,
 322         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 323         .resource = bfin_uart_resources,
 324 };
 325 #endif
 326
 327 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 328 static struct platform_device bfin_sport0_uart_device = {
 329         .name = "bfin-sport-uart",
 330         .id = 0,
 331 };
 332
 333 static struct platform_device bfin_sport1_uart_device = {
 334         .name = "bfin-sport-uart",
 335         .id = 1,
 336 };
 337 #endif
 338
 339 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 340 #define PATA_INT        55
 341
 342 static struct pata_platform_info bfin_pata_platform_data = {
 343         .ioport_shift = 1,
 344         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 345 };
 346
 347 static struct resource bfin_pata_resources[] = {
 348         {
 349                 .start = 0x20314020,
 350                 .end = 0x2031403F,
 351                 .flags = IORESOURCE_MEM,
 352         },
 353         {
 354                 .start = 0x2031401C,
 355                 .end = 0x2031401F,
 356                 .flags = IORESOURCE_MEM,
 357         },
 358         {
 359                 .start = PATA_INT,
 360                 .end = PATA_INT,
 361                 .flags = IORESOURCE_IRQ,
 362         },
 363 };
 364
 365 static struct platform_device bfin_pata_device = {
 366         .name = "pata_platform",
 367         .id = -1,
 368         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 369         .resource = bfin_pata_resources,
 370         .dev = {
 371                 .platform_data = &bfin_pata_platform_data,
 372         }
 373 };
 374 #endif
 375
 376 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 377 #include <linux/input.h>
 378 #include <linux/gpio_keys.h>
 379
 380 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 381         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 382         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 383         {BTN_2, GPIO_PF8, 1, "gpio-keys: BTN2"},
 384 };
 385
 386 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 387         .buttons        = bfin_gpio_keys_table,
 388         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 389 };
 390
 391 static struct platform_device bfin_device_gpiokeys = {
 392         .name      = "gpio-keys",
 393         .dev = {
 394                 .platform_data = &bfin_gpio_keys_data,
 395         },
 396 };
 397 #endif
 398
 399 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 400 #include <linux/i2c-gpio.h>
 401
 402 static struct i2c_gpio_platform_data i2c_gpio_data = {
 403         .sda_pin                = 2,
 404         .scl_pin                = 3,
 405         .sda_is_open_drain      = 0,
 406         .scl_is_open_drain      = 0,
 407         .udelay                 = 40,
 408 };
 409
 410 static struct platform_device i2c_gpio_device = {
 411         .name           = "i2c-gpio",
 412         .id             = 0,
 413         .dev            = {
 414                 .platform_data  = &i2c_gpio_data,
 415         },
 416 };
 417 #endif
 418
 419 static struct platform_device *stamp_devices[] __initdata = {
 420 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 421         &rtc_device,
 422 #endif
 423
 424 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 425         &smc91x_device,
 426 #endif
 427
 428 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 429         &bfin_fb_adv7393_device,
 430 #endif
 431
 432 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 433         &net2272_bfin_device,
 434 #endif
 435
 436 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 437         &bfin_spi0_device,
 438 #endif
 439
 440 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 441         &bfin_uart_device,
 442 #endif
 443
 444 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 445         &bfin_sport0_uart_device,
 446         &bfin_sport1_uart_device,
 447 #endif
 448
 449 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 450         &bfin_pata_device,
 451 #endif
 452
 453 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 454         &bfin_device_gpiokeys,
 455 #endif
 456
 457 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 458         &i2c_gpio_device,
 459 #endif
 460 };
 461
 462 static int __init stamp_init(void)
 463 {
 464         int ret;
 465
 466         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 467         ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 468         if (ret < 0)
 469                 return ret;
 470
 471 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 472 # if defined(CONFIG_BFIN_SHARED_FLASH_ENET)
 473         /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
 474         bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
 475         bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
 476         SSYNC();
 477 # endif
 478 #endif
 479
 480 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 481         spi_register_board_info(bfin_spi_board_info,
 482                                 ARRAY_SIZE(bfin_spi_board_info));
 483 #endif
 484 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 485         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 486 #endif
 487         return 0;
 488 }
 489
 490 arch_initcall(stamp_init);
 491
 492 void native_machine_restart(char *cmd)
 493 {
 494 #if defined(CONFIG_BFIN_SHARED_FLASH_ENET)
 495 # define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
 496         bfin_write_FIO_INEN(~BIT_TO_SET);
 497         bfin_write_FIO_DIR(BIT_TO_SET);
 498         bfin_write_FIO_FLAG_C(BIT_TO_SET);
 499 #endif
 500 }