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 regulator_consumer_supply beagle_vdac_supply =
 235         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 236
 237 static struct regulator_consumer_supply beagle_vdvi_supplies[] = {
 238         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 239         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 240 };
 241
 242 static void __init beagle_display_init(void)
 243 {
 244         int r;
 245
 246         r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
 247         if (r < 0) {
 248                 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
 249                 return;
 250         }
 251
 252         gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
 253 }
 254
 255 #include "sdram-micron-mt46h32m32lf-6.h"
 256
 257 static struct omap2_hsmmc_info mmc[] = {
 258         {
 259                 .mmc            = 1,
 260                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 261                 .gpio_wp        = 29,
 262         },
 263         {}      /* Terminator */
 264 };
 265
 266 static struct regulator_consumer_supply beagle_vmmc1_supply = {
 267         .supply                 = "vmmc",
 268 };
 269
 270 static struct regulator_consumer_supply beagle_vsim_supply = {
 271         .supply                 = "vmmc_aux",
 272 };
 273
 274 static struct gpio_led gpio_leds[];
 275
 276 static int beagle_twl_gpio_setup(struct device *dev,
 277                 unsigned gpio, unsigned ngpio)
 278 {
 279         int r;
 280
 281         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 282                 mmc[0].gpio_wp = -EINVAL;
 283         } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 284                 (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
 285                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 286                 mmc[0].gpio_wp = 23;
 287         } else {
 288                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 289         }
 290         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 291         mmc[0].gpio_cd = gpio + 0;
 292         omap2_hsmmc_init(mmc);
 293
 294         /* link regulators to MMC adapters */
 295         beagle_vmmc1_supply.dev = mmc[0].dev;
 296         beagle_vsim_supply.dev = mmc[0].dev;
 297
 298         /* REVISIT: need ehci-omap hooks for external VBUS
 299          * power switch and overcurrent detect
 300          */
 301         if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
 302                 r = gpio_request(gpio + 1, "EHCI_nOC");
 303                 if (!r) {
 304                         r = gpio_direction_input(gpio + 1);
 305                         if (r)
 306                                 gpio_free(gpio + 1);
 307                 }
 308                 if (r)
 309                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
 310         }
 311
 312         /*
 313          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
 314          * high / others active low)
 315          */
 316         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
 317         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
 318                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
 319         else
 320                 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 321
 322         /* DVI reset GPIO is different between beagle revisions */
 323         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
 324                 beagle_dvi_device.reset_gpio = 129;
 325         else
 326                 beagle_dvi_device.reset_gpio = 170;
 327
 328         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 329         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 330
 331         /*
 332          * gpio + 1 on Xm controls the TFP410's enable line (active low)
 333          * gpio + 2 control varies depending on the board rev as follows:
 334          * P7/P8 revisions(prototype): Camera EN
 335          * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
 336          */
 337         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 338                 r = gpio_request(gpio + 1, "nDVI_PWR_EN");
 339                 if (!r) {
 340                         r = gpio_direction_output(gpio + 1, 0);
 341                         if (r)
 342                                 gpio_free(gpio + 1);
 343                 }
 344                 if (r)
 345                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
 346                                 __func__);
 347                 r = gpio_request(gpio + 2, "DVI_LDO_EN");
 348                 if (!r) {
 349                         r = gpio_direction_output(gpio + 2, 1);
 350                         if (r)
 351                                 gpio_free(gpio + 2);
 352                 }
 353                 if (r)
 354                         pr_err("%s: unable to configure DVI_LDO_EN\n",
 355                                 __func__);
 356         }
 357
 358         return 0;
 359 }
 360
 361 static struct twl4030_gpio_platform_data beagle_gpio_data = {
 362         .gpio_base      = OMAP_MAX_GPIO_LINES,
 363         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 364         .irq_end        = TWL4030_GPIO_IRQ_END,
 365         .use_leds       = true,
 366         .pullups        = BIT(1),
 367         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 368                                 | BIT(15) | BIT(16) | BIT(17),
 369         .setup          = beagle_twl_gpio_setup,
 370 };
 371
 372 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 373 static struct regulator_init_data beagle_vmmc1 = {
 374         .constraints = {
 375                 .min_uV                 = 1850000,
 376                 .max_uV                 = 3150000,
 377                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 378                                         | REGULATOR_MODE_STANDBY,
 379                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 380                                         | REGULATOR_CHANGE_MODE
 381                                         | REGULATOR_CHANGE_STATUS,
 382         },
 383         .num_consumer_supplies  = 1,
 384         .consumer_supplies      = &beagle_vmmc1_supply,
 385 };
 386
 387 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 388 static struct regulator_init_data beagle_vsim = {
 389         .constraints = {
 390                 .min_uV                 = 1800000,
 391                 .max_uV                 = 3000000,
 392                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 393                                         | REGULATOR_MODE_STANDBY,
 394                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 395                                         | REGULATOR_CHANGE_MODE
 396                                         | REGULATOR_CHANGE_STATUS,
 397         },
 398         .num_consumer_supplies  = 1,
 399         .consumer_supplies      = &beagle_vsim_supply,
 400 };
 401
 402 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 403 static struct regulator_init_data beagle_vdac = {
 404         .constraints = {
 405                 .min_uV                 = 1800000,
 406                 .max_uV                 = 1800000,
 407                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 408                                         | REGULATOR_MODE_STANDBY,
 409                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 410                                         | REGULATOR_CHANGE_STATUS,
 411         },
 412         .num_consumer_supplies  = 1,
 413         .consumer_supplies      = &beagle_vdac_supply,
 414 };
 415
 416 /* VPLL2 for digital video outputs */
 417 static struct regulator_init_data beagle_vpll2 = {
 418         .constraints = {
 419                 .name                   = "VDVI",
 420                 .min_uV                 = 1800000,
 421                 .max_uV                 = 1800000,
 422                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 423                                         | REGULATOR_MODE_STANDBY,
 424                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 425                                         | REGULATOR_CHANGE_STATUS,
 426         },
 427         .num_consumer_supplies  = ARRAY_SIZE(beagle_vdvi_supplies),
 428         .consumer_supplies      = beagle_vdvi_supplies,
 429 };
 430
 431 static struct twl4030_usb_data beagle_usb_data = {
 432         .usb_mode       = T2_USB_MODE_ULPI,
 433 };
 434
 435 static struct twl4030_codec_audio_data beagle_audio_data;
 436
 437 static struct twl4030_codec_data beagle_codec_data = {
 438         .audio_mclk = 26000000,
 439         .audio = &beagle_audio_data,
 440 };
 441
 442 static struct twl4030_platform_data beagle_twldata = {
 443         .irq_base       = TWL4030_IRQ_BASE,
 444         .irq_end        = TWL4030_IRQ_END,
 445
 446         /* platform_data for children goes here */
 447         .usb            = &beagle_usb_data,
 448         .gpio           = &beagle_gpio_data,
 449         .codec          = &beagle_codec_data,
 450         .vmmc1          = &beagle_vmmc1,
 451         .vsim           = &beagle_vsim,
 452         .vdac           = &beagle_vdac,
 453         .vpll2          = &beagle_vpll2,
 454 };
 455
 456 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
 457         {
 458                 I2C_BOARD_INFO("twl4030", 0x48),
 459                 .flags = I2C_CLIENT_WAKE,
 460                 .irq = INT_34XX_SYS_NIRQ,
 461                 .platform_data = &beagle_twldata,
 462         },
 463 };
 464
 465 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
 466        {
 467                I2C_BOARD_INFO("eeprom", 0x50),
 468        },
 469 };
 470
 471 static int __init omap3_beagle_i2c_init(void)
 472 {
 473         omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
 474                         ARRAY_SIZE(beagle_i2c_boardinfo));
 475         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 476          * projector don't work reliably with 400kHz */
 477         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
 478         return 0;
 479 }
 480
 481 static struct gpio_led gpio_leds[] = {
 482         {
 483                 .name                   = "beagleboard::usr0",
 484                 .default_trigger        = "heartbeat",
 485                 .gpio                   = 150,
 486         },
 487         {
 488                 .name                   = "beagleboard::usr1",
 489                 .default_trigger        = "mmc0",
 490                 .gpio                   = 149,
 491         },
 492         {
 493                 .name                   = "beagleboard::pmu_stat",
 494                 .gpio                   = -EINVAL,      /* gets replaced */
 495                 .active_low             = true,
 496         },
 497 };
 498
 499 static struct gpio_led_platform_data gpio_led_info = {
 500         .leds           = gpio_leds,
 501         .num_leds       = ARRAY_SIZE(gpio_leds),
 502 };
 503
 504 static struct platform_device leds_gpio = {
 505         .name   = "leds-gpio",
 506         .id     = -1,
 507         .dev    = {
 508                 .platform_data  = &gpio_led_info,
 509         },
 510 };
 511
 512 static struct gpio_keys_button gpio_buttons[] = {
 513         {
 514                 .code                   = BTN_EXTRA,
 515                 .gpio                   = 7,
 516                 .desc                   = "user",
 517                 .wakeup                 = 1,
 518         },
 519 };
 520
 521 static struct gpio_keys_platform_data gpio_key_info = {
 522         .buttons        = gpio_buttons,
 523         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 524 };
 525
 526 static struct platform_device keys_gpio = {
 527         .name   = "gpio-keys",
 528         .id     = -1,
 529         .dev    = {
 530                 .platform_data  = &gpio_key_info,
 531         },
 532 };
 533
 534 static void __init omap3_beagle_init_early(void)
 535 {
 536         omap2_init_common_infrastructure();
 537         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 538                                   mt46h32m32lf6_sdrc_params);
 539 }
 540
 541 static void __init omap3_beagle_init_irq(void)
 542 {
 543         omap_init_irq();
 544 #ifdef CONFIG_OMAP_32K_TIMER
 545         omap2_gp_clockevent_set_gptimer(12);
 546 #endif
 547 }
 548
 549 static struct platform_device *omap3_beagle_devices[] __initdata = {
 550         &leds_gpio,
 551         &keys_gpio,
 552 };
 553
 554 static void __init omap3beagle_flash_init(void)
 555 {
 556         u8 cs = 0;
 557         u8 nandcs = GPMC_CS_NUM + 1;
 558
 559         /* find out the chip-select on which NAND exists */
 560         while (cs < GPMC_CS_NUM) {
 561                 u32 ret = 0;
 562                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 563
 564                 if ((ret & 0xC00) == 0x800) {
 565                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 566                         if (nandcs > GPMC_CS_NUM)
 567                                 nandcs = cs;
 568                 }
 569                 cs++;
 570         }
 571
 572         if (nandcs > GPMC_CS_NUM) {
 573                 printk(KERN_INFO "NAND: Unable to find configuration "
 574                                  "in GPMC\n ");
 575                 return;
 576         }
 577
 578         if (nandcs < GPMC_CS_NUM) {
 579                 omap3beagle_nand_data.cs = nandcs;
 580
 581                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 582                 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
 583                         printk(KERN_ERR "Unable to register NAND device\n");
 584         }
 585 }
 586
 587 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 588
 589         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 590         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 591         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 592
 593         .phy_reset  = true,
 594         .reset_gpio_port[0]  = -EINVAL,
 595         .reset_gpio_port[1]  = 147,
 596         .reset_gpio_port[2]  = -EINVAL
 597 };
 598
 599 #ifdef CONFIG_OMAP_MUX
 600 static struct omap_board_mux board_mux[] __initdata = {
 601         { .reg_offset = OMAP_MUX_TERMINATOR },
 602 };
 603 #endif
 604
 605 static struct omap_musb_board_data musb_board_data = {
 606         .interface_type         = MUSB_INTERFACE_ULPI,
 607         .mode                   = MUSB_OTG,
 608         .power                  = 100,
 609 };
 610
 611 static void __init beagle_opp_init(void)
 612 {
 613         int r = 0;
 614
 615         /* Initialize the omap3 opp table */
 616         if (omap3_opp_init()) {
 617                 pr_err("%s: opp default init failed\n", __func__);
 618                 return;
 619         }
 620
 621         /* Custom OPP enabled for XM */
 622         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 623                 struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
 624                 struct omap_hwmod *dh = omap_hwmod_lookup("iva");
 625                 struct device *dev;
 626
 627                 if (!mh || !dh) {
 628                         pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
 629                                 __func__, mh, dh);
 630                         return;
 631                 }
 632                 /* Enable MPU 1GHz and lower opps */
 633                 dev = &mh->od->pdev.dev;
 634                 r = opp_enable(dev, 800000000);
 635                 /* TODO: MPU 1GHz needs SR and ABB */
 636
 637                 /* Enable IVA 800MHz and lower opps */
 638                 dev = &dh->od->pdev.dev;
 639                 r |= opp_enable(dev, 660000000);
 640                 /* TODO: DSP 800MHz needs SR and ABB */
 641                 if (r) {
 642                         pr_err("%s: failed to enable higher opp %d\n",
 643                                 __func__, r);
 644                         /*
 645                          * Cleanup - disable the higher freqs - we dont care
 646                          * about the results
 647                          */
 648                         dev = &mh->od->pdev.dev;
 649                         opp_disable(dev, 800000000);
 650                         dev = &dh->od->pdev.dev;
 651                         opp_disable(dev, 660000000);
 652                 }
 653         }
 654         return;
 655 }
 656
 657 static void __init omap3_beagle_init(void)
 658 {
 659         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 660         omap3_beagle_init_rev();
 661         omap3_beagle_i2c_init();
 662         platform_add_devices(omap3_beagle_devices,
 663                         ARRAY_SIZE(omap3_beagle_devices));
 664         omap_display_init(&beagle_dss_data);
 665         omap_serial_init();
 666
 667         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
 668         gpio_request(170, "DVI_nPD");
 669         /* REVISIT leave DVI powered down until it's needed ... */
 670         gpio_direction_output(170, true);
 671
 672         usb_musb_init(&musb_board_data);
 673         usbhs_init(&usbhs_bdata);
 674         omap3beagle_flash_init();
 675
 676         /* Ensure SDRC pins are mux'd for self-refresh */
 677         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 678         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 679
 680         beagle_display_init();
 681         beagle_opp_init();
 682 }
 683
 684 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 685         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 686         .boot_params    = 0x80000100,
 687         .reserve        = omap_reserve,
 688         .map_io         = omap3_map_io,
 689         .init_early     = omap3_beagle_init_early,
 690         .init_irq       = omap3_beagle_init_irq,
 691         .init_machine   = omap3_beagle_init,
 692         .timer          = &omap_timer,
 693 MACHINE_END