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 static struct resource smc91x_resources[] = {
  71         {
  72                 .name = "smc91x-regs",
  73                 .start = 0x20310300,
  74                 .end = 0x20310300 + 16,
  75                 .flags = IORESOURCE_MEM,
  76         }, {
  77                 .start = IRQ_PF9,
  78                 .end = IRQ_PF9,
  79                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  80         },
  81 };
  82 static struct platform_device smc91x_device = {
  83         .name = "smc91x",
  84         .id = 0,
  85         .num_resources = ARRAY_SIZE(smc91x_resources),
  86         .resource = smc91x_resources,
  87 };
  88 #endif
  89
  90 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
  91 static const char *map_probes[] = {
  92         "stm_flash",
  93         NULL,
  94 };
  95
  96 static struct platdata_mtd_ram stm_pri_data_a = {
  97         .mapname    = "Flash A Primary",
  98         .map_probes = map_probes,
  99         .bankwidth  = 2,
 100 };
 101
 102 static struct resource stm_pri_resource_a = {
 103         .start = 0x20000000,
 104         .end   = 0x200fffff,
 105         .flags = IORESOURCE_MEM,
 106 };
 107
 108 static struct platform_device stm_pri_device_a = {
 109         .name          = "mtd-ram",
 110         .id            = 0,
 111         .dev = {
 112                 .platform_data = &stm_pri_data_a,
 113         },
 114         .num_resources = 1,
 115         .resource      = &stm_pri_resource_a,
 116 };
 117
 118 static struct platdata_mtd_ram stm_pri_data_b = {
 119         .mapname    = "Flash B Primary",
 120         .map_probes = map_probes,
 121         .bankwidth  = 2,
 122 };
 123
 124 static struct resource stm_pri_resource_b = {
 125         .start = 0x20100000,
 126         .end   = 0x201fffff,
 127         .flags = IORESOURCE_MEM,
 128 };
 129
 130 static struct platform_device stm_pri_device_b = {
 131         .name          = "mtd-ram",
 132         .id            = 4,
 133         .dev = {
 134                 .platform_data = &stm_pri_data_b,
 135         },
 136         .num_resources = 1,
 137         .resource      = &stm_pri_resource_b,
 138 };
 139 #endif
 140
 141 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 142 static struct platdata_mtd_ram sram_data_a = {
 143         .mapname   = "Flash A SRAM",
 144         .bankwidth = 2,
 145 };
 146
 147 static struct resource sram_resource_a = {
 148         .start = 0x20240000,
 149         .end   = 0x2024ffff,
 150         .flags = IORESOURCE_MEM,
 151 };
 152
 153 static struct platform_device sram_device_a = {
 154         .name          = "mtd-ram",
 155         .id            = 8,
 156         .dev = {
 157                 .platform_data = &sram_data_a,
 158         },
 159         .num_resources = 1,
 160         .resource      = &sram_resource_a,
 161 };
 162
 163 static struct platdata_mtd_ram sram_data_b = {
 164         .mapname   = "Flash B SRAM",
 165         .bankwidth = 2,
 166 };
 167
 168 static struct resource sram_resource_b = {
 169         .start = 0x202c0000,
 170         .end   = 0x202cffff,
 171         .flags = IORESOURCE_MEM,
 172 };
 173
 174 static struct platform_device sram_device_b = {
 175         .name          = "mtd-ram",
 176         .id            = 9,
 177         .dev = {
 178                 .platform_data = &sram_data_b,
 179         },
 180         .num_resources = 1,
 181         .resource      = &sram_resource_b,
 182 };
 183 #endif
 184
 185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 186 static struct mtd_partition bfin_spi_flash_partitions[] = {
 187         {
 188                 .name = "bootloader(spi)",
 189                 .size = 0x00020000,
 190                 .offset = 0,
 191                 .mask_flags = MTD_CAP_ROM
 192         }, {
 193                 .name = "linux kernel(spi)",
 194                 .size = 0xe0000,
 195                 .offset = MTDPART_OFS_APPEND,
 196         }, {
 197                 .name = "file system(spi)",
 198                 .size = MTDPART_SIZ_FULL,
 199                 .offset = MTDPART_OFS_APPEND,
 200         }
 201 };
 202
 203 static struct flash_platform_data bfin_spi_flash_data = {
 204         .name = "m25p80",
 205         .parts = bfin_spi_flash_partitions,
 206         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 207         .type = "m25p64",
 208 };
 209
 210 /* SPI flash chip (m25p64) */
 211 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 212         .enable_dma = 0,         /* use dma transfer with this chip*/
 213         .bits_per_word = 8,
 214 };
 215 #endif
 216
 217 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 218 /* SPI ADC chip */
 219 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 220         .enable_dma = 1,         /* use dma transfer with this chip*/
 221         .bits_per_word = 16,
 222 };
 223 #endif
 224
 225 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 226 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 227         .enable_dma = 0,
 228         .bits_per_word = 16,
 229 };
 230 #endif
 231
 232 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 233 static struct bfin5xx_spi_chip spidev_chip_info = {
 234         .enable_dma = 0,
 235         .bits_per_word = 8,
 236 };
 237 #endif
 238
 239 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 240 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 241         {
 242                 /* the modalias must be the same as spi device driver name */
 243                 .modalias = "m25p80", /* Name of spi_driver for this device */
 244                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 245                 .bus_num = 0, /* Framework bus number */
 246                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 247                 .platform_data = &bfin_spi_flash_data,
 248                 .controller_data = &spi_flash_chip_info,
 249                 .mode = SPI_MODE_3,
 250         },
 251 #endif
 252
 253 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 254         {
 255                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 256                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 257                 .bus_num = 0, /* Framework bus number */
 258                 .chip_select = 1, /* Framework chip select. */
 259                 .platform_data = NULL, /* No spi_driver specific config */
 260                 .controller_data = &spi_adc_chip_info,
 261         },
 262 #endif
 263
 264 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 265         {
 266                 .modalias = "ad1836-spi",
 267                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 268                 .bus_num = 0,
 269                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 270                 .controller_data = &ad1836_spi_chip_info,
 271         },
 272 #endif
 273 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 274         {
 275                 .modalias = "spidev",
 276                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 277                 .bus_num = 0,
 278                 .chip_select = 1,
 279                 .controller_data = &spidev_chip_info,
 280         },
 281 #endif
 282 };
 283
 284 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 285 /* SPI (0) */
 286 static struct resource bfin_spi0_resource[] = {
 287         [0] = {
 288                 .start = SPI0_REGBASE,
 289                 .end   = SPI0_REGBASE + 0xFF,
 290                 .flags = IORESOURCE_MEM,
 291         },
 292         [1] = {
 293                 .start = CH_SPI,
 294                 .end   = CH_SPI,
 295                 .flags = IORESOURCE_DMA,
 296         },
 297         [2] = {
 298                 .start = IRQ_SPI,
 299                 .end   = IRQ_SPI,
 300                 .flags = IORESOURCE_IRQ,
 301         }
 302 };
 303
 304 /* SPI controller data */
 305 static struct bfin5xx_spi_master bfin_spi0_info = {
 306         .num_chipselect = 8,
 307         .enable_dma = 1,  /* master has the ability to do dma transfer */
 308         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 309 };
 310
 311 static struct platform_device bfin_spi0_device = {
 312         .name = "bfin-spi",
 313         .id = 0, /* Bus number */
 314         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 315         .resource = bfin_spi0_resource,
 316         .dev = {
 317                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 318         },
 319 };
 320 #endif  /* spi master and devices */
 321
 322 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 323 static struct resource bfin_uart_resources[] = {
 324         {
 325                 .start = 0xFFC00400,
 326                 .end = 0xFFC004FF,
 327                 .flags = IORESOURCE_MEM,
 328         },
 329 };
 330
 331 static struct platform_device bfin_uart_device = {
 332         .name = "bfin-uart",
 333         .id = 1,
 334         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 335         .resource = bfin_uart_resources,
 336 };
 337 #endif
 338
 339 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 340 #ifdef CONFIG_BFIN_SIR0
 341 static struct resource bfin_sir0_resources[] = {
 342         {
 343                 .start = 0xFFC00400,
 344                 .end = 0xFFC004FF,
 345                 .flags = IORESOURCE_MEM,
 346         },
 347         {
 348                 .start = IRQ_UART0_RX,
 349                 .end = IRQ_UART0_RX+1,
 350                 .flags = IORESOURCE_IRQ,
 351         },
 352         {
 353                 .start = CH_UART0_RX,
 354                 .end = CH_UART0_RX+1,
 355                 .flags = IORESOURCE_DMA,
 356         },
 357 };
 358
 359 static struct platform_device bfin_sir0_device = {
 360         .name = "bfin_sir",
 361         .id = 0,
 362         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 363         .resource = bfin_sir0_resources,
 364 };
 365 #endif
 366 #endif
 367
 368 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 369 #include <linux/input.h>
 370 #include <linux/gpio_keys.h>
 371
 372 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 373         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 374         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 375         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 376         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 377 };
 378
 379 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 380         .buttons        = bfin_gpio_keys_table,
 381         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 382 };
 383
 384 static struct platform_device bfin_device_gpiokeys = {
 385         .name      = "gpio-keys",
 386         .dev = {
 387                 .platform_data = &bfin_gpio_keys_data,
 388         },
 389 };
 390 #endif
 391
 392 static struct resource bfin_gpios_resources = {
 393         .start = 0,
 394         .end   = MAX_BLACKFIN_GPIOS - 1,
 395         .flags = IORESOURCE_IRQ,
 396 };
 397
 398 static struct platform_device bfin_gpios_device = {
 399         .name = "simple-gpio",
 400         .id = -1,
 401         .num_resources = 1,
 402         .resource = &bfin_gpios_resources,
 403 };
 404
 405 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 406 #include <linux/i2c-gpio.h>
 407
 408 static struct i2c_gpio_platform_data i2c_gpio_data = {
 409         .sda_pin                = 1,
 410         .scl_pin                = 0,
 411         .sda_is_open_drain      = 0,
 412         .scl_is_open_drain      = 0,
 413         .udelay                 = 40,
 414 };
 415
 416 static struct platform_device i2c_gpio_device = {
 417         .name           = "i2c-gpio",
 418         .id             = 0,
 419         .dev            = {
 420                 .platform_data  = &i2c_gpio_data,
 421         },
 422 };
 423 #endif
 424
 425 static const unsigned int cclk_vlev_datasheet[] =
 426 {
 427         VRPAIR(VLEV_085, 250000000),
 428         VRPAIR(VLEV_090, 376000000),
 429         VRPAIR(VLEV_095, 426000000),
 430         VRPAIR(VLEV_100, 426000000),
 431         VRPAIR(VLEV_105, 476000000),
 432         VRPAIR(VLEV_110, 476000000),
 433         VRPAIR(VLEV_115, 476000000),
 434         VRPAIR(VLEV_120, 600000000),
 435         VRPAIR(VLEV_125, 600000000),
 436         VRPAIR(VLEV_130, 600000000),
 437 };
 438
 439 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 440         .tuple_tab = cclk_vlev_datasheet,
 441         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 442         .vr_settling_time = 25 /* us */,
 443 };
 444
 445 static struct platform_device bfin_dpmc = {
 446         .name = "bfin dpmc",
 447         .dev = {
 448                 .platform_data = &bfin_dmpc_vreg_data,
 449         },
 450 };
 451
 452 static struct platform_device *ezkit_devices[] __initdata = {
 453
 454         &bfin_dpmc,
 455
 456 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
 457         &stm_pri_device_a,
 458         &stm_pri_device_b,
 459 #endif
 460
 461 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 462         &sram_device_a,
 463         &sram_device_b,
 464 #endif
 465
 466 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 467         &smc91x_device,
 468 #endif
 469
 470 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 471         &bfin_spi0_device,
 472 #endif
 473
 474 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 475         &bfin_fb_adv7393_device,
 476 #endif
 477
 478 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 479         &rtc_device,
 480 #endif
 481
 482 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 483         &bfin_uart_device,
 484 #endif
 485
 486 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 487 #ifdef CONFIG_BFIN_SIR0
 488         &bfin_sir0_device,
 489 #endif
 490 #endif
 491
 492 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 493         &bfin_device_gpiokeys,
 494 #endif
 495
 496 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 497         &i2c_gpio_device,
 498 #endif
 499
 500         &bfin_gpios_device,
 501 };
 502
 503 static int __init ezkit_init(void)
 504 {
 505         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 506         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 507         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 508         return 0;
 509 }
 510
 511 arch_initcall(ezkit_init);