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 <video/omapdss.h>
  45 #include <video/omap-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 #include "common-board-devices.h"
  56
  57 #define NAND_BLOCK_SIZE         SZ_128K
  58
  59 /*
  60  * OMAP3 Beagle revision
  61  * Run time detection of Beagle revision is done by reading GPIO.
  62  * GPIO ID -
  63  *      AXBX    = GPIO173, GPIO172, GPIO171: 1 1 1
  64  *      C1_3    = GPIO173, GPIO172, GPIO171: 1 1 0
  65  *      C4      = GPIO173, GPIO172, GPIO171: 1 0 1
  66  *      XM      = GPIO173, GPIO172, GPIO171: 0 0 0
  67  */
  68 enum {
  69         OMAP3BEAGLE_BOARD_UNKN = 0,
  70         OMAP3BEAGLE_BOARD_AXBX,
  71         OMAP3BEAGLE_BOARD_C1_3,
  72         OMAP3BEAGLE_BOARD_C4,
  73         OMAP3BEAGLE_BOARD_XM,
  74 };
  75
  76 static u8 omap3_beagle_version;
  77
  78 static u8 omap3_beagle_get_rev(void)
  79 {
  80         return omap3_beagle_version;
  81 }
  82
  83 static struct gpio omap3_beagle_rev_gpios[] __initdata = {
  84         { 171, GPIOF_IN, "rev_id_0"    },
  85         { 172, GPIOF_IN, "rev_id_1" },
  86         { 173, GPIOF_IN, "rev_id_2"    },
  87 };
  88
  89 static void __init omap3_beagle_init_rev(void)
  90 {
  91         int ret;
  92         u16 beagle_rev = 0;
  93
  94         omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
  95         omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
  96         omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
  97
  98         ret = gpio_request_array(omap3_beagle_rev_gpios,
  99                                  ARRAY_SIZE(omap3_beagle_rev_gpios));
 100         if (ret < 0) {
 101                 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
 102                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 103                 return;
 104         }
 105
 106         beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
 107                         | (gpio_get_value(173) << 2);
 108
 109         switch (beagle_rev) {
 110         case 7:
 111                 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
 112                 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
 113                 break;
 114         case 6:
 115                 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
 116                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
 117                 break;
 118         case 5:
 119                 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
 120                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
 121                 break;
 122         case 0:
 123                 printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
 124                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
 125                 break;
 126         default:
 127                 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
 128                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
 129         }
 130 }
 131
 132 static struct mtd_partition omap3beagle_nand_partitions[] = {
 133         /* All the partition sizes are listed in terms of NAND block size */
 134         {
 135                 .name           = "X-Loader",
 136                 .offset         = 0,
 137                 .size           = 4 * NAND_BLOCK_SIZE,
 138                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 139         },
 140         {
 141                 .name           = "U-Boot",
 142                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 143                 .size           = 15 * NAND_BLOCK_SIZE,
 144                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 145         },
 146         {
 147                 .name           = "U-Boot Env",
 148                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
 149                 .size           = 1 * NAND_BLOCK_SIZE,
 150         },
 151         {
 152                 .name           = "Kernel",
 153                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 154                 .size           = 32 * NAND_BLOCK_SIZE,
 155         },
 156         {
 157                 .name           = "File System",
 158                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 159                 .size           = MTDPART_SIZ_FULL,
 160         },
 161 };
 162
 163 /* DSS */
 164
 165 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
 166 {
 167         if (gpio_is_valid(dssdev->reset_gpio))
 168                 gpio_set_value(dssdev->reset_gpio, 1);
 169
 170         return 0;
 171 }
 172
 173 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
 174 {
 175         if (gpio_is_valid(dssdev->reset_gpio))
 176                 gpio_set_value(dssdev->reset_gpio, 0);
 177 }
 178
 179 static struct panel_generic_dpi_data dvi_panel = {
 180         .name = "generic",
 181         .platform_enable = beagle_enable_dvi,
 182         .platform_disable = beagle_disable_dvi,
 183 };
 184
 185 static struct omap_dss_device beagle_dvi_device = {
 186         .type = OMAP_DISPLAY_TYPE_DPI,
 187         .name = "dvi",
 188         .driver_name = "generic_dpi_panel",
 189         .data = &dvi_panel,
 190         .phy.dpi.data_lines = 24,
 191         .reset_gpio = -EINVAL,
 192 };
 193
 194 static struct omap_dss_device beagle_tv_device = {
 195         .name = "tv",
 196         .driver_name = "venc",
 197         .type = OMAP_DISPLAY_TYPE_VENC,
 198         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 199 };
 200
 201 static struct omap_dss_device *beagle_dss_devices[] = {
 202         &beagle_dvi_device,
 203         &beagle_tv_device,
 204 };
 205
 206 static struct omap_dss_board_info beagle_dss_data = {
 207         .num_devices = ARRAY_SIZE(beagle_dss_devices),
 208         .devices = beagle_dss_devices,
 209         .default_device = &beagle_dvi_device,
 210 };
 211
 212 static struct regulator_consumer_supply beagle_vdac_supply =
 213         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 214
 215 static struct regulator_consumer_supply beagle_vdvi_supplies[] = {
 216         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 217         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 218 };
 219
 220 static void __init beagle_display_init(void)
 221 {
 222         int r;
 223
 224         r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW,
 225                              "DVI reset");
 226         if (r < 0)
 227                 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
 228 }
 229
 230 #include "sdram-micron-mt46h32m32lf-6.h"
 231
 232 static struct omap2_hsmmc_info mmc[] = {
 233         {
 234                 .mmc            = 1,
 235                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 236                 .gpio_wp        = 29,
 237         },
 238         {}      /* Terminator */
 239 };
 240
 241 static struct regulator_consumer_supply beagle_vmmc1_supply = {
 242         .supply                 = "vmmc",
 243 };
 244
 245 static struct regulator_consumer_supply beagle_vsim_supply = {
 246         .supply                 = "vmmc_aux",
 247 };
 248
 249 static struct gpio_led gpio_leds[];
 250
 251 static int beagle_twl_gpio_setup(struct device *dev,
 252                 unsigned gpio, unsigned ngpio)
 253 {
 254         int r, usb_pwr_level;
 255
 256         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 257                 mmc[0].gpio_wp = -EINVAL;
 258         } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 259                 (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
 260                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 261                 mmc[0].gpio_wp = 23;
 262         } else {
 263                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
 264         }
 265         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 266         mmc[0].gpio_cd = gpio + 0;
 267         omap2_hsmmc_init(mmc);
 268
 269         /* link regulators to MMC adapters */
 270         beagle_vmmc1_supply.dev = mmc[0].dev;
 271         beagle_vsim_supply.dev = mmc[0].dev;
 272
 273         /*
 274          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
 275          * high / others active low)
 276          * DVI reset GPIO is different between beagle revisions
 277          */
 278         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 279                 usb_pwr_level = GPIOF_OUT_INIT_HIGH;
 280                 beagle_dvi_device.reset_gpio = 129;
 281                 /*
 282                  * gpio + 1 on Xm controls the TFP410's enable line (active low)
 283                  * gpio + 2 control varies depending on the board rev as below:
 284                  * P7/P8 revisions(prototype): Camera EN
 285                  * A2+ revisions (production): LDO (DVI, serial, led blocks)
 286                  */
 287                 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
 288                                      "nDVI_PWR_EN");
 289                 if (r)
 290                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
 291                                 __func__);
 292                 r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
 293                                      "DVI_LDO_EN");
 294                 if (r)
 295                         pr_err("%s: unable to configure DVI_LDO_EN\n",
 296                                 __func__);
 297         } else {
 298                 usb_pwr_level = GPIOF_OUT_INIT_LOW;
 299                 beagle_dvi_device.reset_gpio = 170;
 300                 /*
 301                  * REVISIT: need ehci-omap hooks for external VBUS
 302                  * power switch and overcurrent detect
 303                  */
 304                 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
 305                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
 306         }
 307
 308         gpio_request_one(gpio + TWL4030_GPIO_MAX, usb_pwr_level, "nEN_USB_PWR");
 309
 310         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 311         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 312
 313         return 0;
 314 }
 315
 316 static struct twl4030_gpio_platform_data beagle_gpio_data = {
 317         .gpio_base      = OMAP_MAX_GPIO_LINES,
 318         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 319         .irq_end        = TWL4030_GPIO_IRQ_END,
 320         .use_leds       = true,
 321         .pullups        = BIT(1),
 322         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
 323                                 | BIT(15) | BIT(16) | BIT(17),
 324         .setup          = beagle_twl_gpio_setup,
 325 };
 326
 327 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 328 static struct regulator_init_data beagle_vmmc1 = {
 329         .constraints = {
 330                 .min_uV                 = 1850000,
 331                 .max_uV                 = 3150000,
 332                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 333                                         | REGULATOR_MODE_STANDBY,
 334                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 335                                         | REGULATOR_CHANGE_MODE
 336                                         | REGULATOR_CHANGE_STATUS,
 337         },
 338         .num_consumer_supplies  = 1,
 339         .consumer_supplies      = &beagle_vmmc1_supply,
 340 };
 341
 342 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 343 static struct regulator_init_data beagle_vsim = {
 344         .constraints = {
 345                 .min_uV                 = 1800000,
 346                 .max_uV                 = 3000000,
 347                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 348                                         | REGULATOR_MODE_STANDBY,
 349                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 350                                         | REGULATOR_CHANGE_MODE
 351                                         | REGULATOR_CHANGE_STATUS,
 352         },
 353         .num_consumer_supplies  = 1,
 354         .consumer_supplies      = &beagle_vsim_supply,
 355 };
 356
 357 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 358 static struct regulator_init_data beagle_vdac = {
 359         .constraints = {
 360                 .min_uV                 = 1800000,
 361                 .max_uV                 = 1800000,
 362                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 363                                         | REGULATOR_MODE_STANDBY,
 364                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 365                                         | REGULATOR_CHANGE_STATUS,
 366         },
 367         .num_consumer_supplies  = 1,
 368         .consumer_supplies      = &beagle_vdac_supply,
 369 };
 370
 371 /* VPLL2 for digital video outputs */
 372 static struct regulator_init_data beagle_vpll2 = {
 373         .constraints = {
 374                 .name                   = "VDVI",
 375                 .min_uV                 = 1800000,
 376                 .max_uV                 = 1800000,
 377                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 378                                         | REGULATOR_MODE_STANDBY,
 379                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 380                                         | REGULATOR_CHANGE_STATUS,
 381         },
 382         .num_consumer_supplies  = ARRAY_SIZE(beagle_vdvi_supplies),
 383         .consumer_supplies      = beagle_vdvi_supplies,
 384 };
 385
 386 static struct twl4030_usb_data beagle_usb_data = {
 387         .usb_mode       = T2_USB_MODE_ULPI,
 388 };
 389
 390 static struct twl4030_codec_audio_data beagle_audio_data;
 391
 392 static struct twl4030_codec_data beagle_codec_data = {
 393         .audio_mclk = 26000000,
 394         .audio = &beagle_audio_data,
 395 };
 396
 397 static struct twl4030_platform_data beagle_twldata = {
 398         .irq_base       = TWL4030_IRQ_BASE,
 399         .irq_end        = TWL4030_IRQ_END,
 400
 401         /* platform_data for children goes here */
 402         .usb            = &beagle_usb_data,
 403         .gpio           = &beagle_gpio_data,
 404         .codec          = &beagle_codec_data,
 405         .vmmc1          = &beagle_vmmc1,
 406         .vsim           = &beagle_vsim,
 407         .vdac           = &beagle_vdac,
 408         .vpll2          = &beagle_vpll2,
 409 };
 410
 411 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
 412        {
 413                I2C_BOARD_INFO("eeprom", 0x50),
 414        },
 415 };
 416
 417 static int __init omap3_beagle_i2c_init(void)
 418 {
 419         omap3_pmic_init("twl4030", &beagle_twldata);
 420         /* Bus 3 is attached to the DVI port where devices like the pico DLP
 421          * projector don't work reliably with 400kHz */
 422         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
 423         return 0;
 424 }
 425
 426 static struct gpio_led gpio_leds[] = {
 427         {
 428                 .name                   = "beagleboard::usr0",
 429                 .default_trigger        = "heartbeat",
 430                 .gpio                   = 150,
 431         },
 432         {
 433                 .name                   = "beagleboard::usr1",
 434                 .default_trigger        = "mmc0",
 435                 .gpio                   = 149,
 436         },
 437         {
 438                 .name                   = "beagleboard::pmu_stat",
 439                 .gpio                   = -EINVAL,      /* gets replaced */
 440                 .active_low             = true,
 441         },
 442 };
 443
 444 static struct gpio_led_platform_data gpio_led_info = {
 445         .leds           = gpio_leds,
 446         .num_leds       = ARRAY_SIZE(gpio_leds),
 447 };
 448
 449 static struct platform_device leds_gpio = {
 450         .name   = "leds-gpio",
 451         .id     = -1,
 452         .dev    = {
 453                 .platform_data  = &gpio_led_info,
 454         },
 455 };
 456
 457 static struct gpio_keys_button gpio_buttons[] = {
 458         {
 459                 .code                   = BTN_EXTRA,
 460                 .gpio                   = 7,
 461                 .desc                   = "user",
 462                 .wakeup                 = 1,
 463         },
 464 };
 465
 466 static struct gpio_keys_platform_data gpio_key_info = {
 467         .buttons        = gpio_buttons,
 468         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 469 };
 470
 471 static struct platform_device keys_gpio = {
 472         .name   = "gpio-keys",
 473         .id     = -1,
 474         .dev    = {
 475                 .platform_data  = &gpio_key_info,
 476         },
 477 };
 478
 479 static void __init omap3_beagle_init_early(void)
 480 {
 481         omap2_init_common_infrastructure();
 482         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 483                                   mt46h32m32lf6_sdrc_params);
 484 }
 485
 486 static void __init omap3_beagle_init_irq(void)
 487 {
 488         omap_init_irq();
 489 #ifdef CONFIG_OMAP_32K_TIMER
 490         omap2_gp_clockevent_set_gptimer(12);
 491 #endif
 492 }
 493
 494 static struct platform_device *omap3_beagle_devices[] __initdata = {
 495         &leds_gpio,
 496         &keys_gpio,
 497 };
 498
 499 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 500
 501         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 502         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 503         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 504
 505         .phy_reset  = true,
 506         .reset_gpio_port[0]  = -EINVAL,
 507         .reset_gpio_port[1]  = 147,
 508         .reset_gpio_port[2]  = -EINVAL
 509 };
 510
 511 #ifdef CONFIG_OMAP_MUX
 512 static struct omap_board_mux board_mux[] __initdata = {
 513         { .reg_offset = OMAP_MUX_TERMINATOR },
 514 };
 515 #endif
 516
 517 static void __init beagle_opp_init(void)
 518 {
 519         int r = 0;
 520
 521         /* Initialize the omap3 opp table */
 522         if (omap3_opp_init()) {
 523                 pr_err("%s: opp default init failed\n", __func__);
 524                 return;
 525         }
 526
 527         /* Custom OPP enabled for XM */
 528         if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 529                 struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
 530                 struct omap_hwmod *dh = omap_hwmod_lookup("iva");
 531                 struct device *dev;
 532
 533                 if (!mh || !dh) {
 534                         pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
 535                                 __func__, mh, dh);
 536                         return;
 537                 }
 538                 /* Enable MPU 1GHz and lower opps */
 539                 dev = &mh->od->pdev.dev;
 540                 r = opp_enable(dev, 800000000);
 541                 /* TODO: MPU 1GHz needs SR and ABB */
 542
 543                 /* Enable IVA 800MHz and lower opps */
 544                 dev = &dh->od->pdev.dev;
 545                 r |= opp_enable(dev, 660000000);
 546                 /* TODO: DSP 800MHz needs SR and ABB */
 547                 if (r) {
 548                         pr_err("%s: failed to enable higher opp %d\n",
 549                                 __func__, r);
 550                         /*
 551                          * Cleanup - disable the higher freqs - we dont care
 552                          * about the results
 553                          */
 554                         dev = &mh->od->pdev.dev;
 555                         opp_disable(dev, 800000000);
 556                         dev = &dh->od->pdev.dev;
 557                         opp_disable(dev, 660000000);
 558                 }
 559         }
 560         return;
 561 }
 562
 563 static void __init omap3_beagle_init(void)
 564 {
 565         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 566         omap3_beagle_init_rev();
 567         omap3_beagle_i2c_init();
 568         platform_add_devices(omap3_beagle_devices,
 569                         ARRAY_SIZE(omap3_beagle_devices));
 570         omap_display_init(&beagle_dss_data);
 571         omap_serial_init();
 572
 573         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
 574         /* REVISIT leave DVI powered down until it's needed ... */
 575         gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
 576
 577         usb_musb_init(NULL);
 578         usbhs_init(&usbhs_bdata);
 579         omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
 580                              ARRAY_SIZE(omap3beagle_nand_partitions));
 581
 582         /* Ensure SDRC pins are mux'd for self-refresh */
 583         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 584         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 585
 586         beagle_display_init();
 587         beagle_opp_init();
 588 }
 589
 590 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 591         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 592         .boot_params    = 0x80000100,
 593         .reserve        = omap_reserve,
 594         .map_io         = omap3_map_io,
 595         .init_early     = omap3_beagle_init_early,
 596         .init_irq       = omap3_beagle_init_irq,
 597         .init_machine   = omap3_beagle_init,
 598         .timer          = &omap_timer,
 599 MACHINE_END