arch/arm/mach-omap2/board-devkit8000.c

   1 /*
   2  * board-devkit8000.c - TimLL Devkit8000
   3  *
   4  * Copyright (C) 2009 Kim Botherway
   5  * Copyright (C) 2010 Thomas Weber
   6  *
   7  * Modified from mach-omap2/board-omap3beagle.c
   8  *
   9  * Initial code: Syed Mohammed Khasim
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/delay.h>
  20 #include <linux/err.h>
  21 #include <linux/clk.h>
  22 #include <linux/io.h>
  23 #include <linux/leds.h>
  24 #include <linux/gpio.h>
  25 #include <linux/input.h>
  26 #include <linux/gpio_keys.h>
  27
  28 #include <linux/mtd/mtd.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/mtd/nand.h>
  31
  32 #include <linux/regulator/machine.h>
  33 #include <linux/i2c/twl.h>
  34
  35 #include <mach/hardware.h>
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/flash.h>
  40
  41 #include <plat/board.h>
  42 #include <plat/common.h>
  43 #include <plat/gpmc.h>
  44 #include <plat/nand.h>
  45 #include <plat/usb.h>
  46 #include <plat/timer-gp.h>
  47 #include <plat/display.h>
  48
  49 #include <plat/mcspi.h>
  50 #include <linux/input/matrix_keypad.h>
  51 #include <linux/spi/spi.h>
  52 #include <linux/spi/ads7846.h>
  53 #include <linux/dm9000.h>
  54 #include <linux/interrupt.h>
  55
  56 #include "sdram-micron-mt46h32m32lf-6.h"
  57
  58 #include "mux.h"
  59 #include "hsmmc.h"
  60
  61 #define GPMC_CS0_BASE  0x60
  62 #define GPMC_CS_SIZE   0x30
  63
  64 #define NAND_BLOCK_SIZE         SZ_128K
  65
  66 #define OMAP_DM9000_GPIO_IRQ    25
  67 #define OMAP3_DEVKIT_TS_GPIO    27
  68
  69 static struct mtd_partition devkit8000_nand_partitions[] = {
  70         /* All the partition sizes are listed in terms of NAND block size */
  71         {
  72                 .name           = "X-Loader",
  73                 .offset         = 0,
  74                 .size           = 4 * NAND_BLOCK_SIZE,
  75                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  76         },
  77         {
  78                 .name           = "U-Boot",
  79                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
  80                 .size           = 15 * NAND_BLOCK_SIZE,
  81                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  82         },
  83         {
  84                 .name           = "U-Boot Env",
  85                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
  86                 .size           = 1 * NAND_BLOCK_SIZE,
  87         },
  88         {
  89                 .name           = "Kernel",
  90                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
  91                 .size           = 32 * NAND_BLOCK_SIZE,
  92         },
  93         {
  94                 .name           = "File System",
  95                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
  96                 .size           = MTDPART_SIZ_FULL,
  97         },
  98 };
  99
 100 static struct omap_nand_platform_data devkit8000_nand_data = {
 101         .options        = NAND_BUSWIDTH_16,
 102         .parts          = devkit8000_nand_partitions,
 103         .nr_parts       = ARRAY_SIZE(devkit8000_nand_partitions),
 104         .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
 105 };
 106
 107 static struct resource devkit8000_nand_resource = {
 108         .flags          = IORESOURCE_MEM,
 109 };
 110
 111 static struct platform_device devkit8000_nand_device = {
 112         .name           = "omap2-nand",
 113         .id             = -1,
 114         .dev            = {
 115                 .platform_data  = &devkit8000_nand_data,
 116         },
 117         .num_resources  = 1,
 118         .resource       = &devkit8000_nand_resource,
 119 };
 120
 121 static struct omap2_hsmmc_info mmc[] = {
 122         {
 123                 .mmc            = 1,
 124                 .wires          = 8,
 125                 .gpio_wp        = 29,
 126         },
 127         {}      /* Terminator */
 128 };
 129 static struct omap_board_config_kernel devkit8000_config[] __initdata = {
 130 };
 131
 132 static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
 133 {
 134         twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1);
 135         twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);
 136
 137         return 0;
 138 }
 139
 140 static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev)
 141 {
 142 }
 143 static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev)
 144 {
 145         return 0;
 146 }
 147
 148 static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev)
 149 {
 150 }
 151
 152 static int devkit8000_panel_enable_tv(struct omap_dss_device *dssdev)
 153 {
 154
 155         return 0;
 156 }
 157
 158 static void devkit8000_panel_disable_tv(struct omap_dss_device *dssdev)
 159 {
 160 }
 161
 162
 163 static struct regulator_consumer_supply devkit8000_vmmc1_supply = {
 164         .supply                 = "vmmc",
 165 };
 166
 167 static struct regulator_consumer_supply devkit8000_vsim_supply = {
 168         .supply                 = "vmmc_aux",
 169 };
 170
 171
 172 static struct omap_dss_device devkit8000_lcd_device = {
 173         .name                   = "lcd",
 174         .driver_name            = "innolux_at_panel",
 175         .type                   = OMAP_DISPLAY_TYPE_DPI,
 176         .phy.dpi.data_lines     = 24,
 177         .platform_enable        = devkit8000_panel_enable_lcd,
 178         .platform_disable       = devkit8000_panel_disable_lcd,
 179 };
 180 static struct omap_dss_device devkit8000_dvi_device = {
 181         .name                   = "dvi",
 182         .driver_name            = "generic_panel",
 183         .type                   = OMAP_DISPLAY_TYPE_DPI,
 184         .phy.dpi.data_lines     = 24,
 185         .platform_enable        = devkit8000_panel_enable_dvi,
 186         .platform_disable       = devkit8000_panel_disable_dvi,
 187 };
 188
 189 static struct omap_dss_device devkit8000_tv_device = {
 190         .name                   = "tv",
 191         .driver_name            = "venc",
 192         .type                   = OMAP_DISPLAY_TYPE_VENC,
 193         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 194         .platform_enable        = devkit8000_panel_enable_tv,
 195         .platform_disable       = devkit8000_panel_disable_tv,
 196 };
 197
 198
 199 static struct omap_dss_device *devkit8000_dss_devices[] = {
 200         &devkit8000_lcd_device,
 201         &devkit8000_dvi_device,
 202         &devkit8000_tv_device,
 203 };
 204
 205 static struct omap_dss_board_info devkit8000_dss_data = {
 206         .num_devices = ARRAY_SIZE(devkit8000_dss_devices),
 207         .devices = devkit8000_dss_devices,
 208         .default_device = &devkit8000_lcd_device,
 209 };
 210
 211 static struct platform_device devkit8000_dss_device = {
 212         .name           = "omapdss",
 213         .id             = -1,
 214         .dev            = {
 215                 .platform_data = &devkit8000_dss_data,
 216         },
 217 };
 218
 219 static struct regulator_consumer_supply devkit8000_vdda_dac_supply = {
 220         .supply = "vdda_dac",
 221         .dev    = &devkit8000_dss_device.dev,
 222 };
 223
 224 static int board_keymap[] = {
 225         KEY(0, 0, KEY_1),
 226         KEY(1, 0, KEY_2),
 227         KEY(2, 0, KEY_3),
 228         KEY(0, 1, KEY_4),
 229         KEY(1, 1, KEY_5),
 230         KEY(2, 1, KEY_6),
 231         KEY(3, 1, KEY_F5),
 232         KEY(0, 2, KEY_7),
 233         KEY(1, 2, KEY_8),
 234         KEY(2, 2, KEY_9),
 235         KEY(3, 2, KEY_F6),
 236         KEY(0, 3, KEY_F7),
 237         KEY(1, 3, KEY_0),
 238         KEY(2, 3, KEY_F8),
 239         PERSISTENT_KEY(4, 5),
 240         KEY(4, 4, KEY_VOLUMEUP),
 241         KEY(5, 5, KEY_VOLUMEDOWN),
 242         0
 243 };
 244
 245 static struct matrix_keymap_data board_map_data = {
 246         .keymap                 = board_keymap,
 247         .keymap_size            = ARRAY_SIZE(board_keymap),
 248 };
 249
 250 static struct twl4030_keypad_data devkit8000_kp_data = {
 251         .keymap_data    = &board_map_data,
 252         .rows           = 6,
 253         .cols           = 6,
 254         .rep            = 1,
 255 };
 256
 257 static struct gpio_led gpio_leds[];
 258
 259 static int devkit8000_twl_gpio_setup(struct device *dev,
 260                 unsigned gpio, unsigned ngpio)
 261 {
 262         omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 263         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 264         mmc[0].gpio_cd = gpio + 0;
 265         omap2_hsmmc_init(mmc);
 266
 267         /* link regulators to MMC adapters */
 268         devkit8000_vmmc1_supply.dev = mmc[0].dev;
 269         devkit8000_vsim_supply.dev = mmc[0].dev;
 270
 271         /* REVISIT: need ehci-omap hooks for external VBUS
 272          * power switch and overcurrent detect
 273          */
 274
 275         gpio_request(gpio + 1, "EHCI_nOC");
 276         gpio_direction_input(gpio + 1);
 277
 278         /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
 279         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
 280         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
 281
 282         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 283         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 284
 285         return 0;
 286 }
 287
 288 static struct twl4030_gpio_platform_data devkit8000_gpio_data = {
 289         .gpio_base      = OMAP_MAX_GPIO_LINES,
 290         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 291         .irq_end        = TWL4030_GPIO_IRQ_END,
 292         .use_leds       = true,
 293         .pullups        = BIT(1),
 294         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 295                                 | BIT(15) | BIT(16) | BIT(17),
 296         .setup          = devkit8000_twl_gpio_setup,
 297 };
 298
 299 static struct regulator_consumer_supply devkit8000_vpll2_supplies[] = {
 300         {
 301         .supply         = "vdvi",
 302         .dev            = &devkit8000_lcd_device.dev,
 303         },
 304         {
 305         .supply         = "vdds_dsi",
 306         .dev            = &devkit8000_dss_device.dev,
 307         }
 308 };
 309
 310 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 311 static struct regulator_init_data devkit8000_vmmc1 = {
 312         .constraints = {
 313                 .min_uV                 = 1850000,
 314                 .max_uV                 = 3150000,
 315                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 316                                         | REGULATOR_MODE_STANDBY,
 317                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 318                                         | REGULATOR_CHANGE_MODE
 319                                         | REGULATOR_CHANGE_STATUS,
 320         },
 321         .num_consumer_supplies  = 1,
 322         .consumer_supplies      = &devkit8000_vmmc1_supply,
 323 };
 324
 325 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 326 static struct regulator_init_data devkit8000_vsim = {
 327         .constraints = {
 328                 .min_uV                 = 1800000,
 329                 .max_uV                 = 3000000,
 330                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 331                                         | REGULATOR_MODE_STANDBY,
 332                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 333                                         | REGULATOR_CHANGE_MODE
 334                                         | REGULATOR_CHANGE_STATUS,
 335         },
 336         .num_consumer_supplies  = 1,
 337         .consumer_supplies      = &devkit8000_vsim_supply,
 338 };
 339
 340 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 341 static struct regulator_init_data devkit8000_vdac = {
 342         .constraints = {
 343                 .min_uV                 = 1800000,
 344                 .max_uV                 = 1800000,
 345                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 346                                         | REGULATOR_MODE_STANDBY,
 347                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 348                                         | REGULATOR_CHANGE_STATUS,
 349         },
 350         .num_consumer_supplies  = 1,
 351         .consumer_supplies      = &devkit8000_vdda_dac_supply,
 352 };
 353
 354 /* VPLL2 for digital video outputs */
 355 static struct regulator_init_data devkit8000_vpll2 = {
 356         .constraints = {
 357                 .name                   = "VDVI",
 358                 .min_uV                 = 1800000,
 359                 .max_uV                 = 1800000,
 360                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 361                                         | REGULATOR_MODE_STANDBY,
 362                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 363                                         | REGULATOR_CHANGE_STATUS,
 364         },
 365         .num_consumer_supplies  = ARRAY_SIZE(devkit8000_vpll2_supplies),
 366         .consumer_supplies      = devkit8000_vpll2_supplies,
 367 };
 368
 369 static struct twl4030_usb_data devkit8000_usb_data = {
 370         .usb_mode       = T2_USB_MODE_ULPI,
 371 };
 372
 373 static struct twl4030_codec_audio_data devkit8000_audio_data = {
 374         .audio_mclk = 26000000,
 375 };
 376
 377 static struct twl4030_codec_data devkit8000_codec_data = {
 378         .audio_mclk = 26000000,
 379         .audio = &devkit8000_audio_data,
 380 };
 381
 382 static struct twl4030_platform_data devkit8000_twldata = {
 383         .irq_base       = TWL4030_IRQ_BASE,
 384         .irq_end        = TWL4030_IRQ_END,
 385
 386         /* platform_data for children goes here */
 387         .usb            = &devkit8000_usb_data,
 388         .gpio           = &devkit8000_gpio_data,
 389         .codec          = &devkit8000_codec_data,
 390         .vmmc1          = &devkit8000_vmmc1,
 391         .vsim           = &devkit8000_vsim,
 392         .vdac           = &devkit8000_vdac,
 393         .vpll2          = &devkit8000_vpll2,
 394         .keypad         = &devkit8000_kp_data,
 395 };
 396
 397 static struct i2c_board_info __initdata devkit8000_i2c_boardinfo[] = {
 398         {
 399                 I2C_BOARD_INFO("twl4030", 0x48),
 400                 .flags = I2C_CLIENT_WAKE,
 401                 .irq = INT_34XX_SYS_NIRQ,
 402                 .platform_data = &devkit8000_twldata,
 403         },
 404 };
 405
 406 static int __init devkit8000_i2c_init(void)
 407 {
 408         omap_register_i2c_bus(1, 2600, devkit8000_i2c_boardinfo,
 409                         ARRAY_SIZE(devkit8000_i2c_boardinfo));
 410         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 411          * projector don't work reliably with 400kHz */
 412         omap_register_i2c_bus(3, 400, NULL, 0);
 413         return 0;
 414 }
 415
 416 static struct gpio_led gpio_leds[] = {
 417         {
 418                 .name                   = "led1",
 419                 .default_trigger        = "heartbeat",
 420                 .gpio                   = 186,
 421                 .active_low             = true,
 422         },
 423         {
 424                 .name                   = "led2",
 425                 .default_trigger        = "mmc0",
 426                 .gpio                   = 163,
 427                 .active_low             = true,
 428         },
 429         {
 430                 .name                   = "ledB",
 431                 .default_trigger        = "none",
 432                 .gpio                   = 153,
 433                 .active_low             = true,
 434         },
 435         {
 436                 .name                   = "led3",
 437                 .default_trigger        = "none",
 438                 .gpio                   = 164,
 439                 .active_low             = true,
 440         },
 441 };
 442
 443 static struct gpio_led_platform_data gpio_led_info = {
 444         .leds           = gpio_leds,
 445         .num_leds       = ARRAY_SIZE(gpio_leds),
 446 };
 447
 448 static struct platform_device leds_gpio = {
 449         .name   = "leds-gpio",
 450         .id     = -1,
 451         .dev    = {
 452                 .platform_data  = &gpio_led_info,
 453         },
 454 };
 455
 456 static struct gpio_keys_button gpio_buttons[] = {
 457         {
 458                 .code                   = BTN_EXTRA,
 459                 .gpio                   = 26,
 460                 .desc                   = "user",
 461                 .wakeup                 = 1,
 462         },
 463 };
 464
 465 static struct gpio_keys_platform_data gpio_key_info = {
 466         .buttons        = gpio_buttons,
 467         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 468 };
 469
 470 static struct platform_device keys_gpio = {
 471         .name   = "gpio-keys",
 472         .id     = -1,
 473         .dev    = {
 474                 .platform_data  = &gpio_key_info,
 475         },
 476 };
 477
 478
 479 static void __init devkit8000_init_irq(void)
 480 {
 481         omap_board_config = devkit8000_config;
 482         omap_board_config_size = ARRAY_SIZE(devkit8000_config);
 483         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 484                              mt46h32m32lf6_sdrc_params);
 485         omap_init_irq();
 486 #ifdef CONFIG_OMAP_32K_TIMER
 487         omap2_gp_clockevent_set_gptimer(12);
 488 #endif
 489         omap_gpio_init();
 490 }
 491
 492 static void __init devkit8000_ads7846_init(void)
 493 {
 494         int gpio = OMAP3_DEVKIT_TS_GPIO;
 495         int ret;
 496
 497         ret = gpio_request(gpio, "ads7846_pen_down");
 498         if (ret < 0) {
 499                 printk(KERN_ERR "Failed to request GPIO %d for "
 500                                 "ads7846 pen down IRQ\n", gpio);
 501                 return;
 502         }
 503
 504         gpio_direction_input(gpio);
 505 }
 506
 507 static int ads7846_get_pendown_state(void)
 508 {
 509         return !gpio_get_value(OMAP3_DEVKIT_TS_GPIO);
 510 }
 511
 512 static struct ads7846_platform_data ads7846_config = {
 513         .x_max                  = 0x0fff,
 514         .y_max                  = 0x0fff,
 515         .x_plate_ohms           = 180,
 516         .pressure_max           = 255,
 517         .debounce_max           = 10,
 518         .debounce_tol           = 5,
 519         .debounce_rep           = 1,
 520         .get_pendown_state      = ads7846_get_pendown_state,
 521         .keep_vref_on           = 1,
 522         .settle_delay_usecs     = 150,
 523 };
 524
 525 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 526         .turbo_mode     = 0,
 527         .single_channel = 1,    /* 0: slave, 1: master */
 528 };
 529
 530 static struct spi_board_info devkit8000_spi_board_info[] __initdata = {
 531         {
 532                 .modalias               = "ads7846",
 533                 .bus_num                = 2,
 534                 .chip_select            = 0,
 535                 .max_speed_hz           = 1500000,
 536                 .controller_data        = &ads7846_mcspi_config,
 537                 .irq                    = OMAP_GPIO_IRQ(OMAP3_DEVKIT_TS_GPIO),
 538                 .platform_data          = &ads7846_config,
 539         }
 540 };
 541
 542 #define OMAP_DM9000_BASE        0x2c000000
 543
 544 static struct resource omap_dm9000_resources[] = {
 545         [0] = {
 546                 .start          = OMAP_DM9000_BASE,
 547                 .end            = (OMAP_DM9000_BASE + 0x4 - 1),
 548                 .flags          = IORESOURCE_MEM,
 549         },
 550         [1] = {
 551                 .start          = (OMAP_DM9000_BASE + 0x400),
 552                 .end            = (OMAP_DM9000_BASE + 0x400 + 0x4 - 1),
 553                 .flags          = IORESOURCE_MEM,
 554         },
 555         [2] = {
 556                 .start          = OMAP_GPIO_IRQ(OMAP_DM9000_GPIO_IRQ),
 557                 .flags          = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 558         },
 559 };
 560
 561 static struct dm9000_plat_data omap_dm9000_platdata = {
 562         .flags = DM9000_PLATF_16BITONLY,
 563 };
 564
 565 static struct platform_device omap_dm9000_dev = {
 566         .name = "dm9000",
 567         .id = -1,
 568         .num_resources  = ARRAY_SIZE(omap_dm9000_resources),
 569         .resource       = omap_dm9000_resources,
 570         .dev = {
 571                 .platform_data = &omap_dm9000_platdata,
 572         },
 573 };
 574
 575 static void __init omap_dm9000_init(void)
 576 {
 577         if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) {
 578                 printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n",
 579                         OMAP_DM9000_GPIO_IRQ);
 580                 return;
 581                 }
 582
 583         gpio_direction_input(OMAP_DM9000_GPIO_IRQ);
 584 }
 585
 586 static struct platform_device *devkit8000_devices[] __initdata = {
 587         &devkit8000_dss_device,
 588         &leds_gpio,
 589         &keys_gpio,
 590         &omap_dm9000_dev,
 591 };
 592
 593 static void __init devkit8000_flash_init(void)
 594 {
 595         u8 cs = 0;
 596         u8 nandcs = GPMC_CS_NUM + 1;
 597
 598         u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
 599
 600         /* find out the chip-select on which NAND exists */
 601         while (cs < GPMC_CS_NUM) {
 602                 u32 ret = 0;
 603                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 604
 605                 if ((ret & 0xC00) == 0x800) {
 606                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 607                         if (nandcs > GPMC_CS_NUM)
 608                                 nandcs = cs;
 609                 }
 610                 cs++;
 611         }
 612
 613         if (nandcs > GPMC_CS_NUM) {
 614                 printk(KERN_INFO "NAND: Unable to find configuration "
 615                                  "in GPMC\n ");
 616                 return;
 617         }
 618
 619         if (nandcs < GPMC_CS_NUM) {
 620                 devkit8000_nand_data.cs = nandcs;
 621                 devkit8000_nand_data.gpmc_cs_baseaddr = (void *)
 622                         (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
 623                 devkit8000_nand_data.gpmc_baseaddr = (void *)
 624                         (gpmc_base_add);
 625
 626                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 627                 if (platform_device_register(&devkit8000_nand_device) < 0)
 628                         printk(KERN_ERR "Unable to register NAND device\n");
 629         }
 630 }
 631
 632 static struct omap_musb_board_data musb_board_data = {
 633         .interface_type         = MUSB_INTERFACE_ULPI,
 634         .mode                   = MUSB_OTG,
 635         .power                  = 100,
 636 };
 637
 638 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 639
 640         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 641         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 642         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 643
 644         .phy_reset  = true,
 645         .reset_gpio_port[0]  = -EINVAL,
 646         .reset_gpio_port[1]  = -EINVAL,
 647         .reset_gpio_port[2]  = -EINVAL
 648 };
 649
 650 static void __init devkit8000_init(void)
 651 {
 652         omap_serial_init();
 653
 654         omap_dm9000_init();
 655
 656         devkit8000_i2c_init();
 657         platform_add_devices(devkit8000_devices,
 658                         ARRAY_SIZE(devkit8000_devices));
 659         omap_board_config = devkit8000_config;
 660         omap_board_config_size = ARRAY_SIZE(devkit8000_config);
 661
 662         spi_register_board_info(devkit8000_spi_board_info,
 663         ARRAY_SIZE(devkit8000_spi_board_info));
 664
 665         devkit8000_ads7846_init();
 666
 667         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
 668
 669         gpio_request(170, "DVI_nPD");
 670         /* REVISIT leave DVI powered down until it's needed ... */
 671         gpio_direction_output(170, true);
 672
 673         usb_musb_init(&musb_board_data);
 674         usb_ehci_init(&ehci_pdata);
 675         devkit8000_flash_init();
 676
 677         /* Ensure SDRC pins are mux'd for self-refresh */
 678         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 679         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 680 }
 681
 682 static void __init devkit8000_map_io(void)
 683 {
 684         omap2_set_globals_343x();
 685         omap34xx_map_common_io();
 686 }
 687
 688 MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
 689         .phys_io        = 0x48000000,
 690         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 691         .boot_params    = 0x80000100,
 692         .map_io         = devkit8000_map_io,
 693         .init_irq       = devkit8000_init_irq,
 694         .init_machine   = devkit8000_init,
 695         .timer          = &omap_timer,
 696 MACHINE_END