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

   1 /*
   2  * File:         arch/blackfin/mach-bf533/ezkit.c
   3  * Based on:     Original Work
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:      2005
   7  * Description:
   8  *
   9  * Modified:     Robin Getz <rgetz@blackfin.uclinux.org> - Named the boards
  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/plat-ram.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/irq.h>
  42 #include <asm/dma.h>
  43 #include <asm/bfin5xx_spi.h>
  44 #include <asm/portmux.h>
  45 #include <asm/dpmc.h>
  46
  47 /*
  48  * Name the Board for the /proc/cpuinfo
  49  */
  50 const char bfin_board_name[] = "ADI BF533-EZKIT";
  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 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  60 static struct platform_device bfin_fb_adv7393_device = {
  61         .name = "bfin-adv7393",
  62 };
  63 #endif
  64
  65 /*
  66  *  USB-LAN EzExtender board
  67  *  Driver needs to know address, irq and flag pin.
  68  */
  69 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  70 #include <linux/smc91x.h>
  71
  72 static struct smc91x_platdata smc91x_info = {
  73         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  74         .leda = RPC_LED_100_10,
  75         .ledb = RPC_LED_TX_RX,
  76 };
  77
  78 static struct resource smc91x_resources[] = {
  79         {
  80                 .name = "smc91x-regs",
  81                 .start = 0x20310300,
  82                 .end = 0x20310300 + 16,
  83                 .flags = IORESOURCE_MEM,
  84         }, {
  85                 .start = IRQ_PF9,
  86                 .end = IRQ_PF9,
  87                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  88         },
  89 };
  90 static struct platform_device smc91x_device = {
  91         .name = "smc91x",
  92         .id = 0,
  93         .num_resources = ARRAY_SIZE(smc91x_resources),
  94         .resource = smc91x_resources,
  95         .dev    = {
  96                 .platform_data  = &smc91x_info,
  97         },
  98 };
  99 #endif
 100
 101 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
 102 static const char *map_probes[] = {
 103         "stm_flash",
 104         NULL,
 105 };
 106
 107 static struct platdata_mtd_ram stm_pri_data_a = {
 108         .mapname    = "Flash A Primary",
 109         .map_probes = map_probes,
 110         .bankwidth  = 2,
 111 };
 112
 113 static struct resource stm_pri_resource_a = {
 114         .start = 0x20000000,
 115         .end   = 0x200fffff,
 116         .flags = IORESOURCE_MEM,
 117 };
 118
 119 static struct platform_device stm_pri_device_a = {
 120         .name          = "mtd-ram",
 121         .id            = 0,
 122         .dev = {
 123                 .platform_data = &stm_pri_data_a,
 124         },
 125         .num_resources = 1,
 126         .resource      = &stm_pri_resource_a,
 127 };
 128
 129 static struct platdata_mtd_ram stm_pri_data_b = {
 130         .mapname    = "Flash B Primary",
 131         .map_probes = map_probes,
 132         .bankwidth  = 2,
 133 };
 134
 135 static struct resource stm_pri_resource_b = {
 136         .start = 0x20100000,
 137         .end   = 0x201fffff,
 138         .flags = IORESOURCE_MEM,
 139 };
 140
 141 static struct platform_device stm_pri_device_b = {
 142         .name          = "mtd-ram",
 143         .id            = 4,
 144         .dev = {
 145                 .platform_data = &stm_pri_data_b,
 146         },
 147         .num_resources = 1,
 148         .resource      = &stm_pri_resource_b,
 149 };
 150 #endif
 151
 152 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 153 static struct platdata_mtd_ram sram_data_a = {
 154         .mapname   = "Flash A SRAM",
 155         .bankwidth = 2,
 156 };
 157
 158 static struct resource sram_resource_a = {
 159         .start = 0x20240000,
 160         .end   = 0x2024ffff,
 161         .flags = IORESOURCE_MEM,
 162 };
 163
 164 static struct platform_device sram_device_a = {
 165         .name          = "mtd-ram",
 166         .id            = 8,
 167         .dev = {
 168                 .platform_data = &sram_data_a,
 169         },
 170         .num_resources = 1,
 171         .resource      = &sram_resource_a,
 172 };
 173
 174 static struct platdata_mtd_ram sram_data_b = {
 175         .mapname   = "Flash B SRAM",
 176         .bankwidth = 2,
 177 };
 178
 179 static struct resource sram_resource_b = {
 180         .start = 0x202c0000,
 181         .end   = 0x202cffff,
 182         .flags = IORESOURCE_MEM,
 183 };
 184
 185 static struct platform_device sram_device_b = {
 186         .name          = "mtd-ram",
 187         .id            = 9,
 188         .dev = {
 189                 .platform_data = &sram_data_b,
 190         },
 191         .num_resources = 1,
 192         .resource      = &sram_resource_b,
 193 };
 194 #endif
 195
 196 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 197 static struct mtd_partition bfin_spi_flash_partitions[] = {
 198         {
 199                 .name = "bootloader(spi)",
 200                 .size = 0x00020000,
 201                 .offset = 0,
 202                 .mask_flags = MTD_CAP_ROM
 203         }, {
 204                 .name = "linux kernel(spi)",
 205                 .size = 0xe0000,
 206                 .offset = MTDPART_OFS_APPEND,
 207         }, {
 208                 .name = "file system(spi)",
 209                 .size = MTDPART_SIZ_FULL,
 210                 .offset = MTDPART_OFS_APPEND,
 211         }
 212 };
 213
 214 static struct flash_platform_data bfin_spi_flash_data = {
 215         .name = "m25p80",
 216         .parts = bfin_spi_flash_partitions,
 217         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 218         .type = "m25p64",
 219 };
 220
 221 /* SPI flash chip (m25p64) */
 222 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 223         .enable_dma = 0,         /* use dma transfer with this chip*/
 224         .bits_per_word = 8,
 225 };
 226 #endif
 227
 228 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 229 /* SPI ADC chip */
 230 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 231         .enable_dma = 1,         /* use dma transfer with this chip*/
 232         .bits_per_word = 16,
 233 };
 234 #endif
 235
 236 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 237 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 238         .enable_dma = 0,
 239         .bits_per_word = 16,
 240 };
 241 #endif
 242
 243 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 244 static struct bfin5xx_spi_chip spidev_chip_info = {
 245         .enable_dma = 0,
 246         .bits_per_word = 8,
 247 };
 248 #endif
 249
 250 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 251 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 252         {
 253                 /* the modalias must be the same as spi device driver name */
 254                 .modalias = "m25p80", /* Name of spi_driver for this device */
 255                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 256                 .bus_num = 0, /* Framework bus number */
 257                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 258                 .platform_data = &bfin_spi_flash_data,
 259                 .controller_data = &spi_flash_chip_info,
 260                 .mode = SPI_MODE_3,
 261         },
 262 #endif
 263
 264 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 265         {
 266                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 267                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 268                 .bus_num = 0, /* Framework bus number */
 269                 .chip_select = 1, /* Framework chip select. */
 270                 .platform_data = NULL, /* No spi_driver specific config */
 271                 .controller_data = &spi_adc_chip_info,
 272         },
 273 #endif
 274
 275 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 276         {
 277                 .modalias = "ad1836",
 278                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 279                 .bus_num = 0,
 280                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 281                 .controller_data = &ad1836_spi_chip_info,
 282         },
 283 #endif
 284 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 285         {
 286                 .modalias = "spidev",
 287                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 288                 .bus_num = 0,
 289                 .chip_select = 1,
 290                 .controller_data = &spidev_chip_info,
 291         },
 292 #endif
 293 };
 294
 295 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 296 /* SPI (0) */
 297 static struct resource bfin_spi0_resource[] = {
 298         [0] = {
 299                 .start = SPI0_REGBASE,
 300                 .end   = SPI0_REGBASE + 0xFF,
 301                 .flags = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start = CH_SPI,
 305                 .end   = CH_SPI,
 306                 .flags = IORESOURCE_DMA,
 307         },
 308         [2] = {
 309                 .start = IRQ_SPI,
 310                 .end   = IRQ_SPI,
 311                 .flags = IORESOURCE_IRQ,
 312         }
 313 };
 314
 315 /* SPI controller data */
 316 static struct bfin5xx_spi_master bfin_spi0_info = {
 317         .num_chipselect = 8,
 318         .enable_dma = 1,  /* master has the ability to do dma transfer */
 319         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 320 };
 321
 322 static struct platform_device bfin_spi0_device = {
 323         .name = "bfin-spi",
 324         .id = 0, /* Bus number */
 325         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 326         .resource = bfin_spi0_resource,
 327         .dev = {
 328                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 329         },
 330 };
 331 #endif  /* spi master and devices */
 332
 333 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 334 static struct resource bfin_uart_resources[] = {
 335         {
 336                 .start = 0xFFC00400,
 337                 .end = 0xFFC004FF,
 338                 .flags = IORESOURCE_MEM,
 339         },
 340 };
 341
 342 static struct platform_device bfin_uart_device = {
 343         .name = "bfin-uart",
 344         .id = 1,
 345         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 346         .resource = bfin_uart_resources,
 347 };
 348 #endif
 349
 350 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 351 #ifdef CONFIG_BFIN_SIR0
 352 static struct resource bfin_sir0_resources[] = {
 353         {
 354                 .start = 0xFFC00400,
 355                 .end = 0xFFC004FF,
 356                 .flags = IORESOURCE_MEM,
 357         },
 358         {
 359                 .start = IRQ_UART0_RX,
 360                 .end = IRQ_UART0_RX+1,
 361                 .flags = IORESOURCE_IRQ,
 362         },
 363         {
 364                 .start = CH_UART0_RX,
 365                 .end = CH_UART0_RX+1,
 366                 .flags = IORESOURCE_DMA,
 367         },
 368 };
 369
 370 static struct platform_device bfin_sir0_device = {
 371         .name = "bfin_sir",
 372         .id = 0,
 373         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 374         .resource = bfin_sir0_resources,
 375 };
 376 #endif
 377 #endif
 378
 379 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 380 #include <linux/input.h>
 381 #include <linux/gpio_keys.h>
 382
 383 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 384         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 385         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 386         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 387         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 388 };
 389
 390 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 391         .buttons        = bfin_gpio_keys_table,
 392         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 393 };
 394
 395 static struct platform_device bfin_device_gpiokeys = {
 396         .name      = "gpio-keys",
 397         .dev = {
 398                 .platform_data = &bfin_gpio_keys_data,
 399         },
 400 };
 401 #endif
 402
 403 static struct resource bfin_gpios_resources = {
 404         .start = 0,
 405         .end   = MAX_BLACKFIN_GPIOS - 1,
 406         .flags = IORESOURCE_IRQ,
 407 };
 408
 409 static struct platform_device bfin_gpios_device = {
 410         .name = "simple-gpio",
 411         .id = -1,
 412         .num_resources = 1,
 413         .resource = &bfin_gpios_resources,
 414 };
 415
 416 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 417 #include <linux/i2c-gpio.h>
 418
 419 static struct i2c_gpio_platform_data i2c_gpio_data = {
 420         .sda_pin                = 1,
 421         .scl_pin                = 0,
 422         .sda_is_open_drain      = 0,
 423         .scl_is_open_drain      = 0,
 424         .udelay                 = 40,
 425 };
 426
 427 static struct platform_device i2c_gpio_device = {
 428         .name           = "i2c-gpio",
 429         .id             = 0,
 430         .dev            = {
 431                 .platform_data  = &i2c_gpio_data,
 432         },
 433 };
 434 #endif
 435
 436 static const unsigned int cclk_vlev_datasheet[] =
 437 {
 438         VRPAIR(VLEV_085, 250000000),
 439         VRPAIR(VLEV_090, 376000000),
 440         VRPAIR(VLEV_095, 426000000),
 441         VRPAIR(VLEV_100, 426000000),
 442         VRPAIR(VLEV_105, 476000000),
 443         VRPAIR(VLEV_110, 476000000),
 444         VRPAIR(VLEV_115, 476000000),
 445         VRPAIR(VLEV_120, 600000000),
 446         VRPAIR(VLEV_125, 600000000),
 447         VRPAIR(VLEV_130, 600000000),
 448 };
 449
 450 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 451         .tuple_tab = cclk_vlev_datasheet,
 452         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 453         .vr_settling_time = 25 /* us */,
 454 };
 455
 456 static struct platform_device bfin_dpmc = {
 457         .name = "bfin dpmc",
 458         .dev = {
 459                 .platform_data = &bfin_dmpc_vreg_data,
 460         },
 461 };
 462
 463 static struct platform_device *ezkit_devices[] __initdata = {
 464
 465         &bfin_dpmc,
 466
 467 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
 468         &stm_pri_device_a,
 469         &stm_pri_device_b,
 470 #endif
 471
 472 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 473         &sram_device_a,
 474         &sram_device_b,
 475 #endif
 476
 477 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 478         &smc91x_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_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 486         &bfin_fb_adv7393_device,
 487 #endif
 488
 489 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 490         &rtc_device,
 491 #endif
 492
 493 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 494         &bfin_uart_device,
 495 #endif
 496
 497 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 498 #ifdef CONFIG_BFIN_SIR0
 499         &bfin_sir0_device,
 500 #endif
 501 #endif
 502
 503 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 504         &bfin_device_gpiokeys,
 505 #endif
 506
 507 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 508         &i2c_gpio_device,
 509 #endif
 510
 511         &bfin_gpios_device,
 512 };
 513
 514 static int __init ezkit_init(void)
 515 {
 516         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 517         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 518         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 519         return 0;
 520 }
 521
 522 arch_initcall(ezkit_init);