arch/arm/mach-omap2/board-omap3beagle.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3beagle.c
   3  *
   4  * Copyright (C) 2008 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-3430sdp.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/err.h>
  20 #include <linux/clk.h>
  21 #include <linux/io.h>
  22 #include <linux/leds.h>
  23 #include <linux/gpio.h>
  24 #include <linux/input.h>
  25 #include <linux/gpio_keys.h>
  26
  27 #include <linux/mtd/mtd.h>
  28 #include <linux/mtd/partitions.h>
  29 #include <linux/mtd/nand.h>
  30 #include <linux/mmc/host.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/display.h>
  44 #include <plat/panel-generic-dpi.h>
  45 #include <plat/gpmc.h>
  46 #include <plat/nand.h>
  47 #include <plat/usb.h>
  48
  49 #include "mux.h"
  50 #include "hsmmc.h"
  51 #include "timer-gp.h"
  52
  53 #define NAND_BLOCK_SIZE         SZ_128K
  54
  55 /*
  56  * OMAP3 Beagle revision
  57  * Run time detection of Beagle revision is done by reading GPIO.
  58  * GPIO ID -
  59  *      AXBX    = GPIO173, GPIO172, GPIO171: 1 1 1
  60  *      C1_3    = GPIO173, GPIO172, GPIO171: 1 1 0
  61  *      C4      = GPIO173, GPIO172, GPIO171: 1 0 1
  62  *      XMA     = GPIO173, GPIO172, GPIO171: 0 0 0
  63  *      XMB     = GPIO173, GPIO172, GPIO171: 0 0 1
  64  *      XMC     = GPIO173, GPIO172, GPIO171: 0 1 0
  65  */
  66 enum {
  67         OMAP3BEAGLE_BOARD_UNKN = 0,
  68         OMAP3BEAGLE_BOARD_AXBX,
  69         OMAP3BEAGLE_BOARD_C1_3,
  70         OMAP3BEAGLE_BOARD_C4,
  71         OMAP3BEAGLE_BOARD_XM,
  72         OMAP3BEAGLE_BOARD_XMC,
  73 };
  74
  75 static u8 omap3_beagle_version;
  76
  77 static u8 omap3_beagle_get_rev(void)
  78 {
  79         return omap3_beagle_version;
  80 }
  81
  82 static void __init omap3_beagle_init_rev(void)
  83 {
  84         int ret;
  85         u16 beagle_rev = 0;
  86
  87         omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
  88         omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
  89         omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
  90
  91         ret = gpio_request(171, "rev_id_0");
  92         if (ret < 0)
  93                 goto fail0;
  94
  95         ret = gpio_request(172, "rev_id_1");
  96         if (ret < 0)
  97                 goto fail1;
  98
  99         ret = gpio_request(173, "rev_id_2");
 100         if (ret < 0)
 101                 goto fail2;
 102
 103         gpio_direction_input(171);
 104         gpio_direction_input(172);
 105         gpio_direction_input(173);
 106
 107         beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
 108                         | (gpio_get_value(173) << 2);
 109
 110         switch (beagle_rev) {
 111         case 7:
 112                 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
 113                 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
 114                 break;
 115         case 6:
 116                 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
 117                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
 118                 break;
 119         case 5:
 120                 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
 121                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
 122                 break;
 123         case 0:
 124                 printk(KERN_INFO "OMAP3 Beagle Rev: xM A\n");
 125                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 126                 break;
 127         case 1:
 128                 printk(KERN_INFO "OMAP3 Beagle Rev: xM B\n");
 129                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 130                 break;
 131         case 2:
 132                 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
 133                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
 134                 break;
 135         default:
 136                 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd, "
 137                                  "assuming xM C or newer\n", beagle_rev);
 138                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
 139         }
 140
 141         return;
 142
 143 fail2:
 144         gpio_free(172);
 145 fail1:
 146         gpio_free(171);
 147 fail0:
 148         printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
 149         omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 150
 151         return;
 152 }
 153
 154 static struct mtd_partition omap3beagle_nand_partitions[] = {
 155         /* All the partition sizes are listed in terms of NAND block size */
 156         {
 157                 .name           = "X-Loader",
 158                 .offset         = 0,
 159                 .size           = 4 * NAND_BLOCK_SIZE,
 160                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 161         },
 162         {
 163                 .name           = "U-Boot",
 164                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 165                 .size           = 15 * NAND_BLOCK_SIZE,
 166                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 167         },
 168         {
 169                 .name           = "U-Boot Env",
 170                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
 171                 .size           = 1 * NAND_BLOCK_SIZE,
 172         },
 173         {
 174                 .name           = "Kernel",
 175                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 176                 .size           = 32 * NAND_BLOCK_SIZE,
 177         },
 178         {
 179                 .name           = "File System",
 180                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 181                 .size           = MTDPART_SIZ_FULL,
 182         },
 183 };
 184
 185 static struct omap_nand_platform_data omap3beagle_nand_data = {
 186         .options        = NAND_BUSWIDTH_16,
 187         .parts          = omap3beagle_nand_partitions,
 188         .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
 189         .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
 190         .nand_setup     = NULL,
 191         .dev_ready      = NULL,
 192 };
 193
 194 /* DSS */
 195
 196 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
 197 {
 198         if (gpio_is_valid(dssdev->reset_gpio))
 199                 gpio_set_value(dssdev->reset_gpio, 1);
 200
 201         return 0;
 202 }
 203
 204 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
 205 {
 206         if (gpio_is_valid(dssdev->reset_gpio))
 207                 gpio_set_value(dssdev->reset_gpio, 0);
 208 }
 209
 210 static struct panel_generic_dpi_data dvi_panel = {
 211         .name = "generic",
 212         .platform_enable = beagle_enable_dvi,
 213         .platform_disable = beagle_disable_dvi,
 214 };
 215
 216 static struct omap_dss_device beagle_dvi_device = {
 217         .type = OMAP_DISPLAY_TYPE_DPI,
 218         .name = "dvi",
 219         .driver_name = "generic_dpi_panel",
 220         .data = &dvi_panel,
 221         .phy.dpi.data_lines = 24,
 222         .reset_gpio = -EINVAL,
 223 };
 224
 225 static struct omap_dss_device beagle_tv_device = {
 226         .name = "tv",
 227         .driver_name = "venc",
 228         .type = OMAP_DISPLAY_TYPE_VENC,
 229         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 230 };
 231
 232 static struct omap_dss_device *beagle_dss_devices[] = {
 233         &beagle_dvi_device,
 234         &beagle_tv_device,
 235 };
 236
 237 static struct omap_dss_board_info beagle_dss_data = {
 238         .num_devices = ARRAY_SIZE(beagle_dss_devices),
 239         .devices = beagle_dss_devices,
 240         .default_device = &beagle_dvi_device,
 241 };
 242
 243 static struct platform_device beagle_dss_device = {
 244         .name          = "omapdss",
 245         .id            = -1,
 246         .dev            = {
 247                 .platform_data = &beagle_dss_data,
 248         },
 249 };
 250
 251 static struct regulator_consumer_supply beagle_vdac_supply =
 252         REGULATOR_SUPPLY("vdda_dac", "omapdss");
 253
 254 static struct regulator_consumer_supply beagle_vdds_supplies[] = {
 255         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 256         REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
 257 };
 258
 259 static void __init beagle_display_init(void)
 260 {
 261         int r;
 262
 263         /* DVI reset GPIO is different between beagle revisions */
 264         if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) ||
 265                         (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC))
 266                 beagle_dvi_device.reset_gpio = 129;
 267         else
 268                 beagle_dvi_device.reset_gpio = 170;
 269
 270         r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
 271         if (r < 0) {
 272                 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
 273                 return;
 274         }
 275
 276         gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
 277 }
 278
 279 #include "sdram-micron-mt46h32m32lf-6.h"
 280
 281 static struct omap2_hsmmc_info mmc[] = {
 282         {
 283                 .mmc            = 1,
 284                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 285                 .gpio_wp        = 29,
 286         },
 287         {}      /* Terminator */
 288 };
 289
 290 static struct regulator_consumer_supply beagle_vmmc1_supply = {
 291         .supply                 = "vmmc",
 292 };
 293
 294 static struct regulator_consumer_supply beagle_vsim_supply = {
 295         .supply                 = "vmmc_aux",
 296 };
 297
 298 static struct gpio_led gpio_leds[];
 299
 300 static int beagle_twl_gpio_setup(struct device *dev,
 301                 unsigned gpio, unsigned ngpio)
 302 {
 303         int r;
 304
 305         if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) ||
 306                         (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)) {
 307                 mmc[0].gpio_wp = -EINVAL;
 308         } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 309                 (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
 310                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 311                 mmc[0].gpio_wp = 23;
 312         } else {
 313                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 314         }
 315         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 316         mmc[0].gpio_cd = gpio + 0;
 317         omap2_hsmmc_init(mmc);
 318
 319         /* link regulators to MMC adapters */
 320         beagle_vmmc1_supply.dev = mmc[0].dev;
 321         beagle_vsim_supply.dev = mmc[0].dev;
 322
 323         /* REVISIT: need ehci-omap hooks for external VBUS
 324          * power switch and overcurrent detect
 325          */
 326         if ((omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) &&
 327                         (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XMC)) {
 328                 r = gpio_request(gpio + 1, "EHCI_nOC");
 329                 if (!r) {
 330                         r = gpio_direction_input(gpio + 1);
 331                         if (r)
 332                                 gpio_free(gpio + 1);
 333                 }
 334                 if (r)
 335                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
 336         }
 337
 338         /*
 339          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
 340          * high / others active low)
 341          */
 342         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
 343         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
 344                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
 345         else
 346                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 347
 348         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 349         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 350
 351         /*
 352          * gpio + 1 on Xm controls the TFP410's enable line (active low)
 353          * gpio + 2 control varies depending on the board rev as follows:
 354          * P7/P8 revisions(prototype): Camera EN
 355          * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
 356          */
 357         if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) ||
 358                         (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)) {
 359                 r = gpio_request(gpio + 1, "nDVI_PWR_EN");
 360                 if (!r) {
 361                         r = gpio_direction_output(gpio + 1, 0);
 362                         if (r)
 363                                 gpio_free(gpio + 1);
 364                 }
 365                 if (r)
 366                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
 367                                 __func__);
 368                 r = gpio_request(gpio + 2, "DVI_LDO_EN");
 369                 if (!r) {
 370                         r = gpio_direction_output(gpio + 2, 1);
 371                         if (r)
 372                                 gpio_free(gpio + 2);
 373                 }
 374                 if (r)
 375                         pr_err("%s: unable to configure DVI_LDO_EN\n",
 376                                 __func__);
 377         }
 378
 379         return 0;
 380 }
 381
 382 static struct twl4030_gpio_platform_data beagle_gpio_data = {
 383         .gpio_base      = OMAP_MAX_GPIO_LINES,
 384         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 385         .irq_end        = TWL4030_GPIO_IRQ_END,
 386         .use_leds       = true,
 387         .pullups        = BIT(1),
 388         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 389                                 | BIT(15) | BIT(16) | BIT(17),
 390         .setup          = beagle_twl_gpio_setup,
 391 };
 392
 393 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 394 static struct regulator_init_data beagle_vmmc1 = {
 395         .constraints = {
 396                 .min_uV                 = 1850000,
 397                 .max_uV                 = 3150000,
 398                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 399                                         | REGULATOR_MODE_STANDBY,
 400                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 401                                         | REGULATOR_CHANGE_MODE
 402                                         | REGULATOR_CHANGE_STATUS,
 403         },
 404         .num_consumer_supplies  = 1,
 405         .consumer_supplies      = &beagle_vmmc1_supply,
 406 };
 407
 408 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 409 static struct regulator_init_data beagle_vsim = {
 410         .constraints = {
 411                 .min_uV                 = 1800000,
 412                 .max_uV                 = 3000000,
 413                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 414                                         | REGULATOR_MODE_STANDBY,
 415                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 416                                         | REGULATOR_CHANGE_MODE
 417                                         | REGULATOR_CHANGE_STATUS,
 418         },
 419         .num_consumer_supplies  = 1,
 420         .consumer_supplies      = &beagle_vsim_supply,
 421 };
 422
 423 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 424 static struct regulator_init_data beagle_vdac = {
 425         .constraints = {
 426                 .min_uV                 = 1800000,
 427                 .max_uV                 = 1800000,
 428                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 429                                         | REGULATOR_MODE_STANDBY,
 430                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 431                                         | REGULATOR_CHANGE_STATUS,
 432         },
 433         .num_consumer_supplies  = 1,
 434         .consumer_supplies      = &beagle_vdac_supply,
 435 };
 436
 437 /* VPLL2 for digital video outputs */
 438 static struct regulator_init_data beagle_vpll2 = {
 439         .constraints = {
 440                 .min_uV                 = 1800000,
 441                 .max_uV                 = 1800000,
 442                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 443                                         | REGULATOR_MODE_STANDBY,
 444                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 445                                         | REGULATOR_CHANGE_STATUS,
 446         },
 447         .num_consumer_supplies  = ARRAY_SIZE(beagle_vdds_supplies),
 448         .consumer_supplies      = beagle_vdds_supplies,
 449 };
 450
 451 static struct twl4030_usb_data beagle_usb_data = {
 452         .usb_mode       = T2_USB_MODE_ULPI,
 453 };
 454
 455 static struct twl4030_codec_audio_data beagle_audio_data = {
 456         .audio_mclk = 26000000,
 457 };
 458
 459 static struct twl4030_codec_data beagle_codec_data = {
 460         .audio_mclk = 26000000,
 461         .audio = &beagle_audio_data,
 462 };
 463
 464 static struct twl4030_platform_data beagle_twldata = {
 465         .irq_base       = TWL4030_IRQ_BASE,
 466         .irq_end        = TWL4030_IRQ_END,
 467
 468         /* platform_data for children goes here */
 469         .usb            = &beagle_usb_data,
 470         .gpio           = &beagle_gpio_data,
 471         .codec          = &beagle_codec_data,
 472         .vmmc1          = &beagle_vmmc1,
 473         .vsim           = &beagle_vsim,
 474         .vdac           = &beagle_vdac,
 475         .vpll2          = &beagle_vpll2,
 476 };
 477
 478 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
 479         {
 480                 I2C_BOARD_INFO("twl4030", 0x48),
 481                 .flags = I2C_CLIENT_WAKE,
 482                 .irq = INT_34XX_SYS_NIRQ,
 483                 .platform_data = &beagle_twldata,
 484         },
 485 };
 486
 487 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
 488        {
 489                I2C_BOARD_INFO("eeprom", 0x50),
 490        },
 491 };
 492
 493 static int __init omap3_beagle_i2c_init(void)
 494 {
 495         omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
 496                         ARRAY_SIZE(beagle_i2c_boardinfo));
 497         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 498          * projector don't work reliably with 400kHz */
 499         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
 500         return 0;
 501 }
 502
 503 static struct gpio_led gpio_leds[] = {
 504         {
 505                 .name                   = "beagleboard::usr0",
 506                 .default_trigger        = "heartbeat",
 507                 .gpio                   = 150,
 508         },
 509         {
 510                 .name                   = "beagleboard::usr1",
 511                 .default_trigger        = "mmc0",
 512                 .gpio                   = 149,
 513         },
 514         {
 515                 .name                   = "beagleboard::pmu_stat",
 516                 .gpio                   = -EINVAL,      /* gets replaced */
 517                 .active_low             = true,
 518         },
 519 };
 520
 521 static struct gpio_led_platform_data gpio_led_info = {
 522         .leds           = gpio_leds,
 523         .num_leds       = ARRAY_SIZE(gpio_leds),
 524 };
 525
 526 static struct platform_device leds_gpio = {
 527         .name   = "leds-gpio",
 528         .id     = -1,
 529         .dev    = {
 530                 .platform_data  = &gpio_led_info,
 531         },
 532 };
 533
 534 static struct gpio_keys_button gpio_buttons[] = {
 535         {
 536                 .code                   = BTN_EXTRA,
 537                 .gpio                   = 7,
 538                 .desc                   = "user",
 539                 .wakeup                 = 1,
 540         },
 541 };
 542
 543 static struct gpio_keys_platform_data gpio_key_info = {
 544         .buttons        = gpio_buttons,
 545         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 546 };
 547
 548 static struct platform_device keys_gpio = {
 549         .name   = "gpio-keys",
 550         .id     = -1,
 551         .dev    = {
 552                 .platform_data  = &gpio_key_info,
 553         },
 554 };
 555
 556 static void __init omap3_beagle_init_irq(void)
 557 {
 558         omap2_init_common_infrastructure();
 559         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 560                                   mt46h32m32lf6_sdrc_params);
 561         omap_init_irq();
 562 #ifdef CONFIG_OMAP_32K_TIMER
 563         omap2_gp_clockevent_set_gptimer(12);
 564 #endif
 565 }
 566
 567 static struct platform_device *omap3_beagle_devices[] __initdata = {
 568         &leds_gpio,
 569         &keys_gpio,
 570         &beagle_dss_device,
 571 };
 572
 573 static void __init omap3beagle_flash_init(void)
 574 {
 575         u8 cs = 0;
 576         u8 nandcs = GPMC_CS_NUM + 1;
 577
 578         /* find out the chip-select on which NAND exists */
 579         while (cs < GPMC_CS_NUM) {
 580                 u32 ret = 0;
 581                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 582
 583                 if ((ret & 0xC00) == 0x800) {
 584                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 585                         if (nandcs > GPMC_CS_NUM)
 586                                 nandcs = cs;
 587                 }
 588                 cs++;
 589         }
 590
 591         if (nandcs > GPMC_CS_NUM) {
 592                 printk(KERN_INFO "NAND: Unable to find configuration "
 593                                  "in GPMC\n ");
 594                 return;
 595         }
 596
 597         if (nandcs < GPMC_CS_NUM) {
 598                 omap3beagle_nand_data.cs = nandcs;
 599
 600                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 601                 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
 602                         printk(KERN_ERR "Unable to register NAND device\n");
 603         }
 604 }
 605
 606 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 607
 608         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 609         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 610         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 611
 612         .phy_reset  = true,
 613         .reset_gpio_port[0]  = -EINVAL,
 614         .reset_gpio_port[1]  = 147,
 615         .reset_gpio_port[2]  = -EINVAL
 616 };
 617
 618 #ifdef CONFIG_OMAP_MUX
 619 static struct omap_board_mux board_mux[] __initdata = {
 620         { .reg_offset = OMAP_MUX_TERMINATOR },
 621 };
 622 #endif
 623
 624 static struct omap_musb_board_data musb_board_data = {
 625         .interface_type         = MUSB_INTERFACE_ULPI,
 626         .mode                   = MUSB_OTG,
 627         .power                  = 100,
 628 };
 629
 630 static void __init omap3_beagle_init(void)
 631 {
 632         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 633         omap3_beagle_init_rev();
 634         omap3_beagle_i2c_init();
 635         platform_add_devices(omap3_beagle_devices,
 636                         ARRAY_SIZE(omap3_beagle_devices));
 637         omap_serial_init();
 638
 639         usb_musb_init(&musb_board_data);
 640         usb_ehci_init(&ehci_pdata);
 641         omap3beagle_flash_init();
 642
 643         /* Ensure SDRC pins are mux'd for self-refresh */
 644         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 645         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 646
 647         beagle_display_init();
 648 }
 649
 650 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 651         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 652         .boot_params    = 0x80000100,
 653         .map_io         = omap3_map_io,
 654         .reserve        = omap_reserve,
 655         .init_irq       = omap3_beagle_init_irq,
 656         .init_machine   = omap3_beagle_init,
 657         .timer          = &omap_timer,
 658 MACHINE_END