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 #include <linux/opp.h>
  27
  28 #include <linux/mtd/mtd.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/mtd/nand.h>
  31 #include <linux/mmc/host.h>
  32
  33 #include <linux/regulator/machine.h>
  34 #include <linux/i2c/twl.h>
  35
  36 #include <mach/hardware.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/flash.h>
  41
  42 #include <plat/board.h>
  43 #include <plat/common.h>
  44 #include <plat/display.h>
  45 #include <plat/panel-generic-dpi.h>
  46 #include <plat/gpmc.h>
  47 #include <plat/nand.h>
  48 #include <plat/usb.h>
  49 #include <plat/omap_device.h>
  50
  51 #include "mux.h"
  52 #include "hsmmc.h"
  53 #include "timer-gp.h"
  54 #include "pm.h"
  55
  56 #define NAND_BLOCK_SIZE         SZ_128K
  57
  58 /*
  59  * OMAP3 Beagle revision
  60  * Run time detection of Beagle revision is done by reading GPIO.
  61  * GPIO ID -
  62  *      AXBX    = GPIO173, GPIO172, GPIO171: 1 1 1
  63  *      C1_3    = GPIO173, GPIO172, GPIO171: 1 1 0
  64  *      C4      = GPIO173, GPIO172, GPIO171: 1 0 1
  65  *      XM      = GPIO173, GPIO172, GPIO171: 0 0 0
  66  */
  67 enum {
  68         OMAP3BEAGLE_BOARD_UNKN = 0,
  69         OMAP3BEAGLE_BOARD_AXBX,
  70         OMAP3BEAGLE_BOARD_C1_3,
  71         OMAP3BEAGLE_BOARD_C4,
  72         OMAP3BEAGLE_BOARD_XM,
  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\n");
 125                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 126                 break;
 127         default:
 128                 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
 129                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 130         }
 131
 132         return;
 133
 134 fail2:
 135         gpio_free(172);
 136 fail1:
 137         gpio_free(171);
 138 fail0:
 139         printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
 140         omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 141
 142         return;
 143 }
 144
 145 static struct mtd_partition omap3beagle_nand_partitions[] = {
 146         /* All the partition sizes are listed in terms of NAND block size */
 147         {
 148                 .name           = "X-Loader",
 149                 .offset         = 0,
 150                 .size           = 4 * NAND_BLOCK_SIZE,
 151                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 152         },
 153         {
 154                 .name           = "U-Boot",
 155                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 156                 .size           = 15 * NAND_BLOCK_SIZE,
 157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 158         },
 159         {
 160                 .name           = "U-Boot Env",
 161                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
 162                 .size           = 1 * NAND_BLOCK_SIZE,
 163         },
 164         {
 165                 .name           = "Kernel",
 166                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 167                 .size           = 32 * NAND_BLOCK_SIZE,
 168         },
 169         {
 170                 .name           = "File System",
 171                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 172                 .size           = MTDPART_SIZ_FULL,
 173         },
 174 };
 175
 176 static struct omap_nand_platform_data omap3beagle_nand_data = {
 177         .options        = NAND_BUSWIDTH_16,
 178         .parts          = omap3beagle_nand_partitions,
 179         .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
 180         .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
 181         .nand_setup     = NULL,
 182         .dev_ready      = NULL,
 183 };
 184
 185 /* DSS */
 186
 187 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
 188 {
 189         if (gpio_is_valid(dssdev->reset_gpio))
 190                 gpio_set_value(dssdev->reset_gpio, 1);
 191
 192         return 0;
 193 }
 194
 195 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
 196 {
 197         if (gpio_is_valid(dssdev->reset_gpio))
 198                 gpio_set_value(dssdev->reset_gpio, 0);
 199 }
 200
 201 static struct panel_generic_dpi_data dvi_panel = {
 202         .name = "generic",
 203         .platform_enable = beagle_enable_dvi,
 204         .platform_disable = beagle_disable_dvi,
 205 };
 206
 207 static struct omap_dss_device beagle_dvi_device = {
 208         .type = OMAP_DISPLAY_TYPE_DPI,
 209         .name = "dvi",
 210         .driver_name = "generic_dpi_panel",
 211         .data = &dvi_panel,
 212         .phy.dpi.data_lines = 24,
 213         .reset_gpio = -EINVAL,
 214 };
 215
 216 static struct omap_dss_device beagle_tv_device = {
 217         .name = "tv",
 218         .driver_name = "venc",
 219         .type = OMAP_DISPLAY_TYPE_VENC,
 220         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 221 };
 222
 223 static struct omap_dss_device *beagle_dss_devices[] = {
 224         &beagle_dvi_device,
 225         &beagle_tv_device,
 226 };
 227
 228 static struct omap_dss_board_info beagle_dss_data = {
 229         .num_devices = ARRAY_SIZE(beagle_dss_devices),
 230         .devices = beagle_dss_devices,
 231         .default_device = &beagle_dvi_device,
 232 };
 233
 234 static struct platform_device beagle_dss_device = {
 235         .name          = "omapdss",
 236         .id            = -1,
 237         .dev            = {
 238                 .platform_data = &beagle_dss_data,
 239         },
 240 };
 241
 242 static struct regulator_consumer_supply beagle_vdac_supply =
 243         REGULATOR_SUPPLY("vdda_dac", "omapdss");
 244
 245 static struct regulator_consumer_supply beagle_vdvi_supply =
 246         REGULATOR_SUPPLY("vdds_dsi", "omapdss");
 247
 248 static void __init beagle_display_init(void)
 249 {
 250         int r;
 251
 252         r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
 253         if (r < 0) {
 254                 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
 255                 return;
 256         }
 257
 258         gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
 259 }
 260
 261 #include "sdram-micron-mt46h32m32lf-6.h"
 262
 263 static struct omap2_hsmmc_info mmc[] = {
 264         {
 265                 .mmc            = 1,
 266                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 267                 .gpio_wp        = 29,
 268         },
 269         {}      /* Terminator */
 270 };
 271
 272 static struct regulator_consumer_supply beagle_vmmc1_supply = {
 273         .supply                 = "vmmc",
 274 };
 275
 276 static struct regulator_consumer_supply beagle_vsim_supply = {
 277         .supply                 = "vmmc_aux",
 278 };
 279
 280 static struct gpio_led gpio_leds[];
 281
 282 static int beagle_twl_gpio_setup(struct device *dev,
 283                 unsigned gpio, unsigned ngpio)
 284 {
 285         int r;
 286
 287         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 288                 mmc[0].gpio_wp = -EINVAL;
 289         } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 290                 (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
 291                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 292                 mmc[0].gpio_wp = 23;
 293         } else {
 294                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 295         }
 296         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 297         mmc[0].gpio_cd = gpio + 0;
 298         omap2_hsmmc_init(mmc);
 299
 300         /* link regulators to MMC adapters */
 301         beagle_vmmc1_supply.dev = mmc[0].dev;
 302         beagle_vsim_supply.dev = mmc[0].dev;
 303
 304         /* REVISIT: need ehci-omap hooks for external VBUS
 305          * power switch and overcurrent detect
 306          */
 307         if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
 308                 r = gpio_request(gpio + 1, "EHCI_nOC");
 309                 if (!r) {
 310                         r = gpio_direction_input(gpio + 1);
 311                         if (r)
 312                                 gpio_free(gpio + 1);
 313                 }
 314                 if (r)
 315                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
 316         }
 317
 318         /*
 319          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
 320          * high / others active low)
 321          */
 322         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
 323         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
 324                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
 325         else
 326                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 327
 328         /* DVI reset GPIO is different between beagle revisions */
 329         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
 330                 beagle_dvi_device.reset_gpio = 129;
 331         else
 332                 beagle_dvi_device.reset_gpio = 170;
 333
 334         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 335         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 336
 337         /*
 338          * gpio + 1 on Xm controls the TFP410's enable line (active low)
 339          * gpio + 2 control varies depending on the board rev as follows:
 340          * P7/P8 revisions(prototype): Camera EN
 341          * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
 342          */
 343         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 344                 r = gpio_request(gpio + 1, "nDVI_PWR_EN");
 345                 if (!r) {
 346                         r = gpio_direction_output(gpio + 1, 0);
 347                         if (r)
 348                                 gpio_free(gpio + 1);
 349                 }
 350                 if (r)
 351                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
 352                                 __func__);
 353                 r = gpio_request(gpio + 2, "DVI_LDO_EN");
 354                 if (!r) {
 355                         r = gpio_direction_output(gpio + 2, 1);
 356                         if (r)
 357                                 gpio_free(gpio + 2);
 358                 }
 359                 if (r)
 360                         pr_err("%s: unable to configure DVI_LDO_EN\n",
 361                                 __func__);
 362         }
 363
 364         return 0;
 365 }
 366
 367 static struct twl4030_gpio_platform_data beagle_gpio_data = {
 368         .gpio_base      = OMAP_MAX_GPIO_LINES,
 369         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 370         .irq_end        = TWL4030_GPIO_IRQ_END,
 371         .use_leds       = true,
 372         .pullups        = BIT(1),
 373         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 374                                 | BIT(15) | BIT(16) | BIT(17),
 375         .setup          = beagle_twl_gpio_setup,
 376 };
 377
 378 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 379 static struct regulator_init_data beagle_vmmc1 = {
 380         .constraints = {
 381                 .min_uV                 = 1850000,
 382                 .max_uV                 = 3150000,
 383                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 384                                         | REGULATOR_MODE_STANDBY,
 385                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 386                                         | REGULATOR_CHANGE_MODE
 387                                         | REGULATOR_CHANGE_STATUS,
 388         },
 389         .num_consumer_supplies  = 1,
 390         .consumer_supplies      = &beagle_vmmc1_supply,
 391 };
 392
 393 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 394 static struct regulator_init_data beagle_vsim = {
 395         .constraints = {
 396                 .min_uV                 = 1800000,
 397                 .max_uV                 = 3000000,
 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_vsim_supply,
 406 };
 407
 408 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 409 static struct regulator_init_data beagle_vdac = {
 410         .constraints = {
 411                 .min_uV                 = 1800000,
 412                 .max_uV                 = 1800000,
 413                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 414                                         | REGULATOR_MODE_STANDBY,
 415                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 416                                         | REGULATOR_CHANGE_STATUS,
 417         },
 418         .num_consumer_supplies  = 1,
 419         .consumer_supplies      = &beagle_vdac_supply,
 420 };
 421
 422 /* VPLL2 for digital video outputs */
 423 static struct regulator_init_data beagle_vpll2 = {
 424         .constraints = {
 425                 .name                   = "VDVI",
 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_vdvi_supply,
 435 };
 436
 437 static struct twl4030_usb_data beagle_usb_data = {
 438         .usb_mode       = T2_USB_MODE_ULPI,
 439 };
 440
 441 static struct twl4030_codec_audio_data beagle_audio_data = {
 442         .audio_mclk = 26000000,
 443 };
 444
 445 static struct twl4030_codec_data beagle_codec_data = {
 446         .audio_mclk = 26000000,
 447         .audio = &beagle_audio_data,
 448 };
 449
 450 static struct twl4030_platform_data beagle_twldata = {
 451         .irq_base       = TWL4030_IRQ_BASE,
 452         .irq_end        = TWL4030_IRQ_END,
 453
 454         /* platform_data for children goes here */
 455         .usb            = &beagle_usb_data,
 456         .gpio           = &beagle_gpio_data,
 457         .codec          = &beagle_codec_data,
 458         .vmmc1          = &beagle_vmmc1,
 459         .vsim           = &beagle_vsim,
 460         .vdac           = &beagle_vdac,
 461         .vpll2          = &beagle_vpll2,
 462 };
 463
 464 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
 465         {
 466                 I2C_BOARD_INFO("twl4030", 0x48),
 467                 .flags = I2C_CLIENT_WAKE,
 468                 .irq = INT_34XX_SYS_NIRQ,
 469                 .platform_data = &beagle_twldata,
 470         },
 471 };
 472
 473 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
 474        {
 475                I2C_BOARD_INFO("eeprom", 0x50),
 476        },
 477 };
 478
 479 static int __init omap3_beagle_i2c_init(void)
 480 {
 481         omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
 482                         ARRAY_SIZE(beagle_i2c_boardinfo));
 483         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 484          * projector don't work reliably with 400kHz */
 485         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
 486         return 0;
 487 }
 488
 489 static struct gpio_led gpio_leds[] = {
 490         {
 491                 .name                   = "beagleboard::usr0",
 492                 .default_trigger        = "heartbeat",
 493                 .gpio                   = 150,
 494         },
 495         {
 496                 .name                   = "beagleboard::usr1",
 497                 .default_trigger        = "mmc0",
 498                 .gpio                   = 149,
 499         },
 500         {
 501                 .name                   = "beagleboard::pmu_stat",
 502                 .gpio                   = -EINVAL,      /* gets replaced */
 503                 .active_low             = true,
 504         },
 505 };
 506
 507 static struct gpio_led_platform_data gpio_led_info = {
 508         .leds           = gpio_leds,
 509         .num_leds       = ARRAY_SIZE(gpio_leds),
 510 };
 511
 512 static struct platform_device leds_gpio = {
 513         .name   = "leds-gpio",
 514         .id     = -1,
 515         .dev    = {
 516                 .platform_data  = &gpio_led_info,
 517         },
 518 };
 519
 520 static struct gpio_keys_button gpio_buttons[] = {
 521         {
 522                 .code                   = BTN_EXTRA,
 523                 .gpio                   = 7,
 524                 .desc                   = "user",
 525                 .wakeup                 = 1,
 526         },
 527 };
 528
 529 static struct gpio_keys_platform_data gpio_key_info = {
 530         .buttons        = gpio_buttons,
 531         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 532 };
 533
 534 static struct platform_device keys_gpio = {
 535         .name   = "gpio-keys",
 536         .id     = -1,
 537         .dev    = {
 538                 .platform_data  = &gpio_key_info,
 539         },
 540 };
 541
 542 static void __init omap3_beagle_init_irq(void)
 543 {
 544         omap2_init_common_infrastructure();
 545         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 546                                   mt46h32m32lf6_sdrc_params);
 547         omap_init_irq();
 548 #ifdef CONFIG_OMAP_32K_TIMER
 549         omap2_gp_clockevent_set_gptimer(12);
 550 #endif
 551 }
 552
 553 static struct platform_device *omap3_beagle_devices[] __initdata = {
 554         &leds_gpio,
 555         &keys_gpio,
 556         &beagle_dss_device,
 557 };
 558
 559 static void __init omap3beagle_flash_init(void)
 560 {
 561         u8 cs = 0;
 562         u8 nandcs = GPMC_CS_NUM + 1;
 563
 564         /* find out the chip-select on which NAND exists */
 565         while (cs < GPMC_CS_NUM) {
 566                 u32 ret = 0;
 567                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 568
 569                 if ((ret & 0xC00) == 0x800) {
 570                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 571                         if (nandcs > GPMC_CS_NUM)
 572                                 nandcs = cs;
 573                 }
 574                 cs++;
 575         }
 576
 577         if (nandcs > GPMC_CS_NUM) {
 578                 printk(KERN_INFO "NAND: Unable to find configuration "
 579                                  "in GPMC\n ");
 580                 return;
 581         }
 582
 583         if (nandcs < GPMC_CS_NUM) {
 584                 omap3beagle_nand_data.cs = nandcs;
 585
 586                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 587                 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
 588                         printk(KERN_ERR "Unable to register NAND device\n");
 589         }
 590 }
 591
 592 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 593
 594         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 595         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 596         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 597
 598         .phy_reset  = true,
 599         .reset_gpio_port[0]  = -EINVAL,
 600         .reset_gpio_port[1]  = 147,
 601         .reset_gpio_port[2]  = -EINVAL
 602 };
 603
 604 #ifdef CONFIG_OMAP_MUX
 605 static struct omap_board_mux board_mux[] __initdata = {
 606         { .reg_offset = OMAP_MUX_TERMINATOR },
 607 };
 608 #endif
 609
 610 static struct omap_musb_board_data musb_board_data = {
 611         .interface_type         = MUSB_INTERFACE_ULPI,
 612         .mode                   = MUSB_OTG,
 613         .power                  = 100,
 614 };
 615
 616 static void __init beagle_opp_init(void)
 617 {
 618         int r = 0;
 619
 620         /* Initialize the omap3 opp table */
 621         if (omap3_opp_init()) {
 622                 pr_err("%s: opp default init failed\n", __func__);
 623                 return;
 624         }
 625
 626         /* Custom OPP enabled for XM */
 627         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 628                 struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
 629                 struct omap_hwmod *dh = omap_hwmod_lookup("iva");
 630                 struct device *dev;
 631
 632                 if (!mh || !dh) {
 633                         pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
 634                                 __func__, mh, dh);
 635                         return;
 636                 }
 637                 /* Enable MPU 1GHz and lower opps */
 638                 dev = &mh->od->pdev.dev;
 639                 r = opp_enable(dev, 800000000);
 640                 /* TODO: MPU 1GHz needs SR and ABB */
 641
 642                 /* Enable IVA 800MHz and lower opps */
 643                 dev = &dh->od->pdev.dev;
 644                 r |= opp_enable(dev, 660000000);
 645                 /* TODO: DSP 800MHz needs SR and ABB */
 646                 if (r) {
 647                         pr_err("%s: failed to enable higher opp %d\n",
 648                                 __func__, r);
 649                         /*
 650                          * Cleanup - disable the higher freqs - we dont care
 651                          * about the results
 652                          */
 653                         dev = &mh->od->pdev.dev;
 654                         opp_disable(dev, 800000000);
 655                         dev = &dh->od->pdev.dev;
 656                         opp_disable(dev, 660000000);
 657                 }
 658         }
 659         return;
 660 }
 661
 662 static void __init omap3_beagle_init(void)
 663 {
 664         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 665         omap3_beagle_init_rev();
 666         omap3_beagle_i2c_init();
 667         platform_add_devices(omap3_beagle_devices,
 668                         ARRAY_SIZE(omap3_beagle_devices));
 669         omap_serial_init();
 670
 671         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
 672         gpio_request(170, "DVI_nPD");
 673         /* REVISIT leave DVI powered down until it's needed ... */
 674         gpio_direction_output(170, true);
 675
 676         usb_musb_init(&musb_board_data);
 677         usb_ehci_init(&ehci_pdata);
 678         omap3beagle_flash_init();
 679
 680         /* Ensure SDRC pins are mux'd for self-refresh */
 681         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 682         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 683
 684         beagle_display_init();
 685         beagle_opp_init();
 686 }
 687
 688 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 689         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 690         .boot_params    = 0x80000100,
 691         .map_io         = omap3_map_io,
 692         .reserve        = omap_reserve,
 693         .init_irq       = omap3_beagle_init_irq,
 694         .init_machine   = omap3_beagle_init,
 695         .timer          = &omap_timer,
 696 MACHINE_END