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board-htcherald.c

/*
 * HTC Herald board configuration
 * Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com>
 * Copyright (C) 2009 Wing Linux
 *
 * Based on the board-htcwizard.c file from the linwizard project:
 * Copyright (C) 2006 Unai Uribarri
 * Copyright (C) 2008 linwizard.sourceforge.net
 *
 * This  program is  free  software; you  can  redistribute it  and/or
 * modify  it under the  terms of  the GNU  General Public  License as
 * published by the Free Software  Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT  ANY  WARRANTY;  without   even  the  implied  warranty  of
 * MERCHANTABILITY or  FITNESS FOR A PARTICULAR PURPOSE.   See the GNU
 * General Public License for more details.
 *
 * You should have  received a copy of the  GNU General Public License
 * along  with  this program;  if  not,  write  to the  Free  Software
 * Foundation,  Inc.,  51 Franklin  Street,  Fifth  Floor, Boston,  MA
 * 02110-1301, USA.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/htcpld.h>
#include <linux/leds.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <plat/omap7xx.h>
#include <plat/common.h>
#include <plat/board.h>
#include <plat/keypad.h>
#include <plat/usb.h>
#include <plat/mmc.h>

#include <mach/irqs.h>

#include <linux/delay.h>

/* LCD register definition */
#define       OMAP_LCDC_CONTROL               (0xfffec000 + 0x00)
#define       OMAP_LCDC_STATUS                (0xfffec000 + 0x10)
#define       OMAP_DMA_LCD_CCR                (0xfffee300 + 0xc2)
#define       OMAP_DMA_LCD_CTRL               (0xfffee300 + 0xc4)
#define       OMAP_LCDC_CTRL_LCD_EN           (1 << 0)
#define       OMAP_LCDC_STAT_DONE             (1 << 0)

/* GPIO definitions for the power button and keyboard slide switch */
#define HTCHERALD_GPIO_POWER 139
#define HTCHERALD_GPIO_SLIDE 174
#define HTCHERALD_GIRQ_BTNS 141

/* GPIO definitions for the touchscreen */
#define HTCHERALD_GPIO_TS 76

/* HTCPLD definitions */

/*
 * CPLD Logic
 *
 * Chip 3 - 0x03
 *
 * Function            7 6 5 4  3 2 1 0
 * ------------------------------------
 * DPAD light          x x x x  x x x 1
 * SoundDev            x x x x  1 x x x
 * Screen white        1 x x x  x x x x
 * MMC power on        x x x x  x 1 x x
 * Happy times (n)     0 x x x  x 1 x x
 *
 * Chip 4 - 0x04
 *
 * Function            7 6 5 4  3 2 1 0
 * ------------------------------------
 * Keyboard light      x x x x  x x x 1
 * LCD Bright (4)      x x x x  x 1 1 x
 * LCD Bright (3)      x x x x  x 0 1 x
 * LCD Bright (2)      x x x x  x 1 0 x
 * LCD Bright (1)      x x x x  x 0 0 x
 * LCD Off             x x x x  0 x x x
 * LCD image (fb)      1 x x x  x x x x
 * LCD image (white)   0 x x x  x x x x
 * Caps lock LED       x x 1 x  x x x x
 *
 * Chip 5 - 0x05
 *
 * Function            7 6 5 4  3 2 1 0
 * ------------------------------------
 * Red (solid)         x x x x  x 1 x x
 * Red (flash)         x x x x  x x 1 x
 * Green (GSM flash)   x x x x  1 x x x
 * Green (GSM solid)   x x x 1  x x x x
 * Green (wifi flash)  x x 1 x  x x x x
 * Blue (bt flash)     x 1 x x  x x x x
 * DPAD Int Enable     1 x x x  x x x 0
 *
 * (Combinations of the above can be made for different colors.)
 * The direction pad interrupt enable must be set each time the
 * interrupt is handled.
 *
 * Chip 6 - 0x06
 *
 * Function            7 6 5 4  3 2 1 0
 * ------------------------------------
 * Vibrator            x x x x  1 x x x
 * Alt LED             x x x 1  x x x x
 * Screen white        1 x x x  x x x x
 * Screen white        x x 1 x  x x x x
 * Screen white        x 0 x x  x x x x
 * Enable kbd dpad     x x x x  x x 0 x
 * Happy Times         0 1 0 x  x x 0 x
 */

/*
 * HTCPLD GPIO lines start 16 after OMAP_MAX_GPIO_LINES to account
 * for the 16 MPUIO lines.
 */
#define HTCPLD_GPIO_START_OFFSET    (OMAP_MAX_GPIO_LINES + 16)
#define HTCPLD_IRQ(chip, offset)    (OMAP_IRQ_END + 8 * (chip) + (offset))
#define HTCPLD_BASE(chip, offset)   \
      (HTCPLD_GPIO_START_OFFSET + 8 * (chip) + (offset))

#define HTCPLD_GPIO_LED_DPAD        HTCPLD_BASE(0, 0)
#define HTCPLD_GPIO_LED_KBD         HTCPLD_BASE(1, 0)
#define HTCPLD_GPIO_LED_CAPS        HTCPLD_BASE(1, 5)
#define HTCPLD_GPIO_LED_RED_FLASH   HTCPLD_BASE(2, 1)
#define HTCPLD_GPIO_LED_RED_SOLID   HTCPLD_BASE(2, 2)
#define HTCPLD_GPIO_LED_GREEN_FLASH HTCPLD_BASE(2, 3)
#define HTCPLD_GPIO_LED_GREEN_SOLID HTCPLD_BASE(2, 4)
#define HTCPLD_GPIO_LED_WIFI        HTCPLD_BASE(2, 5)
#define HTCPLD_GPIO_LED_BT          HTCPLD_BASE(2, 6)
#define HTCPLD_GPIO_LED_VIBRATE           HTCPLD_BASE(3, 3)
#define HTCPLD_GPIO_LED_ALT         HTCPLD_BASE(3, 4)

#define HTCPLD_GPIO_RIGHT_KBD       HTCPLD_BASE(6, 7)
#define HTCPLD_GPIO_UP_KBD          HTCPLD_BASE(6, 6)
#define HTCPLD_GPIO_LEFT_KBD        HTCPLD_BASE(6, 5)
#define HTCPLD_GPIO_DOWN_KBD        HTCPLD_BASE(6, 4)

#define HTCPLD_GPIO_RIGHT_DPAD            HTCPLD_BASE(7, 7)
#define HTCPLD_GPIO_UP_DPAD         HTCPLD_BASE(7, 6)
#define HTCPLD_GPIO_LEFT_DPAD       HTCPLD_BASE(7, 5)
#define HTCPLD_GPIO_DOWN_DPAD       HTCPLD_BASE(7, 4)
#define HTCPLD_GPIO_ENTER_DPAD            HTCPLD_BASE(7, 3)

/*
 * The htcpld chip requires a gpio write to a specific line
 * to re-enable interrupts after one has occurred.
 */
#define HTCPLD_GPIO_INT_RESET_HI    HTCPLD_BASE(2, 7)
#define HTCPLD_GPIO_INT_RESET_LO    HTCPLD_BASE(2, 0)

/* Chip 5 */
#define HTCPLD_IRQ_RIGHT_KBD        HTCPLD_IRQ(0, 7)
#define HTCPLD_IRQ_UP_KBD           HTCPLD_IRQ(0, 6)
#define HTCPLD_IRQ_LEFT_KBD         HTCPLD_IRQ(0, 5)
#define HTCPLD_IRQ_DOWN_KBD         HTCPLD_IRQ(0, 4)

/* Chip 6 */
#define HTCPLD_IRQ_RIGHT_DPAD       HTCPLD_IRQ(1, 7)
#define HTCPLD_IRQ_UP_DPAD          HTCPLD_IRQ(1, 6)
#define HTCPLD_IRQ_LEFT_DPAD        HTCPLD_IRQ(1, 5)
#define HTCPLD_IRQ_DOWN_DPAD        HTCPLD_IRQ(1, 4)
#define HTCPLD_IRQ_ENTER_DPAD       HTCPLD_IRQ(1, 3)

/* Keyboard definition */

static const unsigned int htc_herald_keymap[] = {
      KEY(0, 0, KEY_RECORD), /* Mail button */
      KEY(1, 0, KEY_CAMERA), /* Camera */
      KEY(2, 0, KEY_PHONE), /* Send key */
      KEY(3, 0, KEY_VOLUMEUP), /* Volume up */
      KEY(4, 0, KEY_F2),  /* Right bar (landscape) */
      KEY(5, 0, KEY_MAIL), /* Win key (portrait) */
      KEY(6, 0, KEY_DIRECTORY), /* Right bar (protrait) */
      KEY(0, 1, KEY_LEFTCTRL), /* Windows key */
      KEY(1, 1, KEY_COMMA),
      KEY(2, 1, KEY_M),
      KEY(3, 1, KEY_K),
      KEY(4, 1, KEY_SLASH), /* OK key */
      KEY(5, 1, KEY_I),
      KEY(6, 1, KEY_U),
      KEY(0, 2, KEY_LEFTALT),
      KEY(1, 2, KEY_TAB),
      KEY(2, 2, KEY_N),
      KEY(3, 2, KEY_J),
      KEY(4, 2, KEY_ENTER),
      KEY(5, 2, KEY_H),
      KEY(6, 2, KEY_Y),
      KEY(0, 3, KEY_SPACE),
      KEY(1, 3, KEY_L),
      KEY(2, 3, KEY_B),
      KEY(3, 3, KEY_V),
      KEY(4, 3, KEY_BACKSPACE),
      KEY(5, 3, KEY_G),
      KEY(6, 3, KEY_T),
      KEY(0, 4, KEY_CAPSLOCK), /* Shift */
      KEY(1, 4, KEY_C),
      KEY(2, 4, KEY_F),
      KEY(3, 4, KEY_R),
      KEY(4, 4, KEY_O),
      KEY(5, 4, KEY_E),
      KEY(6, 4, KEY_D),
      KEY(0, 5, KEY_X),
      KEY(1, 5, KEY_Z),
      KEY(2, 5, KEY_S),
      KEY(3, 5, KEY_W),
      KEY(4, 5, KEY_P),
      KEY(5, 5, KEY_Q),
      KEY(6, 5, KEY_A),
      KEY(0, 6, KEY_CONNECT), /* Voice button */
      KEY(2, 6, KEY_CANCEL), /* End key */
      KEY(3, 6, KEY_VOLUMEDOWN), /* Volume down */
      KEY(4, 6, KEY_F1), /* Left bar (landscape) */
      KEY(5, 6, KEY_WWW), /* OK button (portrait) */
      KEY(6, 6, KEY_CALENDAR), /* Left bar (portrait) */
};

static const struct matrix_keymap_data htc_herald_keymap_data = {
      .keymap           = htc_herald_keymap,
      .keymap_size      = ARRAY_SIZE(htc_herald_keymap),
};

static struct omap_kp_platform_data htcherald_kp_data = {
      .rows = 7,
      .cols = 7,
      .delay = 20,
      .rep = true,
      .keymap_data = &htc_herald_keymap_data,
};

static struct resource kp_resources[] = {
      [0] = {
            .start      = INT_7XX_MPUIO_KEYPAD,
            .end  = INT_7XX_MPUIO_KEYPAD,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device kp_device = {
      .name       = "omap-keypad",
      .id         = -1,
      .dev        = {
            .platform_data = &htcherald_kp_data,
      },
      .num_resources    = ARRAY_SIZE(kp_resources),
      .resource   = kp_resources,
};

/* GPIO buttons for keyboard slide and power button */
static struct gpio_keys_button herald_gpio_keys_table[] = {
      {BTN_0,  HTCHERALD_GPIO_POWER, 1, "POWER", EV_KEY, 1, 20},
      {SW_LID, HTCHERALD_GPIO_SLIDE, 0, "SLIDE", EV_SW,  1, 20},

      {KEY_LEFT,  HTCPLD_GPIO_LEFT_KBD,  1, "LEFT",  EV_KEY, 1, 20},
      {KEY_RIGHT, HTCPLD_GPIO_RIGHT_KBD, 1, "RIGHT", EV_KEY, 1, 20},
      {KEY_UP,    HTCPLD_GPIO_UP_KBD,    1, "UP",    EV_KEY, 1, 20},
      {KEY_DOWN,  HTCPLD_GPIO_DOWN_KBD,  1, "DOWN",  EV_KEY, 1, 20},

      {KEY_LEFT,  HTCPLD_GPIO_LEFT_DPAD,   1, "DLEFT",  EV_KEY, 1, 20},
      {KEY_RIGHT, HTCPLD_GPIO_RIGHT_DPAD,  1, "DRIGHT", EV_KEY, 1, 20},
      {KEY_UP,    HTCPLD_GPIO_UP_DPAD,     1, "DUP",    EV_KEY, 1, 20},
      {KEY_DOWN,  HTCPLD_GPIO_DOWN_DPAD,   1, "DDOWN",  EV_KEY, 1, 20},
      {KEY_ENTER, HTCPLD_GPIO_ENTER_DPAD,  1, "DENTER", EV_KEY, 1, 20},
};

static struct gpio_keys_platform_data herald_gpio_keys_data = {
      .buttons    = herald_gpio_keys_table,
      .nbuttons   = ARRAY_SIZE(herald_gpio_keys_table),
      .rep        = true,
};

static struct platform_device herald_gpiokeys_device = {
      .name      = "gpio-keys",
      .id         = -1,
      .dev = {
            .platform_data = &herald_gpio_keys_data,
      },
};

/* LEDs for the Herald.  These connect to the HTCPLD GPIO device. */
static struct gpio_led gpio_leds[] = {
      {"dpad",        NULL, HTCPLD_GPIO_LED_DPAD,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"kbd",         NULL, HTCPLD_GPIO_LED_KBD,         0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"vibrate",     NULL, HTCPLD_GPIO_LED_VIBRATE,     0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"green_solid", NULL, HTCPLD_GPIO_LED_GREEN_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"green_flash", NULL, HTCPLD_GPIO_LED_GREEN_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"red_solid",   "mmc0", HTCPLD_GPIO_LED_RED_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"red_flash",   NULL, HTCPLD_GPIO_LED_RED_FLASH,   0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"wifi",        NULL, HTCPLD_GPIO_LED_WIFI,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"bt",          NULL, HTCPLD_GPIO_LED_BT,          0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"caps",        NULL, HTCPLD_GPIO_LED_CAPS,        0, 0, LEDS_GPIO_DEFSTATE_OFF},
      {"alt",         NULL, HTCPLD_GPIO_LED_ALT,         0, 0, LEDS_GPIO_DEFSTATE_OFF},
};

static struct gpio_led_platform_data gpio_leds_data = {
      .leds       = gpio_leds,
      .num_leds   = ARRAY_SIZE(gpio_leds),
};

static struct platform_device gpio_leds_device = {
      .name       = "leds-gpio",
      .id         = 0,
      .dev  = {
            .platform_data    = &gpio_leds_data,
      },
};

/* HTC PLD chips */

static struct resource htcpld_resources[] = {
      [0] = {
            .start  = OMAP_GPIO_IRQ(HTCHERALD_GIRQ_BTNS),
            .end    = OMAP_GPIO_IRQ(HTCHERALD_GIRQ_BTNS),
            .flags  = IORESOURCE_IRQ,
      },
};

struct htcpld_chip_platform_data htcpld_chips[] = {
      [0] = {
            .addr       = 0x03,
            .reset            = 0x04,
            .num_gpios  = 8,
            .gpio_out_base    = HTCPLD_BASE(0, 0),
            .gpio_in_base     = HTCPLD_BASE(4, 0),
      },
      [1] = {
            .addr       = 0x04,
            .reset            = 0x8e,
            .num_gpios  = 8,
            .gpio_out_base    = HTCPLD_BASE(1, 0),
            .gpio_in_base     = HTCPLD_BASE(5, 0),
      },
      [2] = {
            .addr       = 0x05,
            .reset            = 0x80,
            .num_gpios  = 8,
            .gpio_out_base    = HTCPLD_BASE(2, 0),
            .gpio_in_base     = HTCPLD_BASE(6, 0),
            .irq_base   = HTCPLD_IRQ(0, 0),
            .num_irqs   = 8,
      },
      [3] = {
            .addr       = 0x06,
            .reset            = 0x40,
            .num_gpios  = 8,
            .gpio_out_base    = HTCPLD_BASE(3, 0),
            .gpio_in_base     = HTCPLD_BASE(7, 0),
            .irq_base   = HTCPLD_IRQ(1, 0),
            .num_irqs   = 8,
      },
};

struct htcpld_core_platform_data htcpld_pfdata = {
      .int_reset_gpio_hi = HTCPLD_GPIO_INT_RESET_HI,
      .int_reset_gpio_lo = HTCPLD_GPIO_INT_RESET_LO,
      .i2c_adapter_id      = 1,

      .chip          = htcpld_chips,
      .num_chip      = ARRAY_SIZE(htcpld_chips),
};

static struct platform_device htcpld_device = {
      .name       = "i2c-htcpld",
      .id         = -1,
      .resource   = htcpld_resources,
      .num_resources    = ARRAY_SIZE(htcpld_resources),
      .dev  = {
            .platform_data    = &htcpld_pfdata,
      },
};

/* USB Device */
static struct omap_usb_config htcherald_usb_config __initdata = {
      .otg = 0,
      .register_host = 0,
      .register_dev  = 1,
      .hmc_mode = 4,
      .pins[0] = 2,
};

/* LCD Device resources */
static struct omap_lcd_config htcherald_lcd_config __initdata = {
      .ctrl_name  = "internal",
};

static struct omap_board_config_kernel htcherald_config[] __initdata = {
      { OMAP_TAG_LCD, &htcherald_lcd_config },
};

static struct platform_device lcd_device = {
      .name           = "lcd_htcherald",
      .id             = -1,
};

/* MMC Card */
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static struct omap_mmc_platform_data htc_mmc1_data = {
      .nr_slots                       = 1,
      .switch_slot                    = NULL,
      .slots[0]       = {
            .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
            .name                   = "mmcblk",
            .nomux                  = 1,
            .wires                  = 4,
            .switch_pin             = -1,
      },
};

static struct omap_mmc_platform_data *htc_mmc_data[1];
#endif


/* Platform devices for the Herald */
static struct platform_device *devices[] __initdata = {
      &kp_device,
      &lcd_device,
      &htcpld_device,
      &gpio_leds_device,
      &herald_gpiokeys_device,
};

/*
 * Touchscreen
 */
static const struct ads7846_platform_data htcherald_ts_platform_data = {
      .model                  = 7846,
      .keep_vref_on           = 1,
      .x_plate_ohms           = 496,
      .gpio_pendown           = HTCHERALD_GPIO_TS,
      .pressure_max           = 10000,
      .pressure_min           = 5000,
      .x_min                  = 528,
      .x_max                  = 3760,
      .y_min                  = 624,
      .y_max                  = 3760,
};

static struct spi_board_info __initdata htcherald_spi_board_info[] = {
      {
            .modalias         = "ads7846",
            .platform_data          = &htcherald_ts_platform_data,
            .irq              = OMAP_GPIO_IRQ(HTCHERALD_GPIO_TS),
            .max_speed_hz           = 2500000,
            .bus_num          = 2,
            .chip_select            = 1,
      }
};

/*
 * Init functions from here on
 */

static void __init htcherald_lcd_init(void)
{
      u32 reg;
      unsigned int tries = 200;

      /* disable controller if active */
      reg = omap_readl(OMAP_LCDC_CONTROL);
      if (reg & OMAP_LCDC_CTRL_LCD_EN) {
            reg &= ~OMAP_LCDC_CTRL_LCD_EN;
            omap_writel(reg, OMAP_LCDC_CONTROL);

            /* wait for end of frame */
            while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE)) {
                  tries--;
                  if (!tries)
                        break;
            }
            if (!tries)
                  printk(KERN_WARNING "Timeout waiting for end of frame "
                         "-- LCD may not be available\n");

            /* turn off DMA */
            reg = omap_readw(OMAP_DMA_LCD_CCR);
            reg &= ~(1 << 7);
            omap_writew(reg, OMAP_DMA_LCD_CCR);

            reg = omap_readw(OMAP_DMA_LCD_CTRL);
            reg &= ~(1 << 8);
            omap_writew(reg, OMAP_DMA_LCD_CTRL);
      }
}

static void __init htcherald_map_io(void)
{
      omap1_map_common_io();

      /*
       * The LCD panel must be disabled and DMA turned off here, as doing
       * it later causes the LCD never to reinitialize.
       */
      htcherald_lcd_init();

      printk(KERN_INFO "htcherald_map_io done.\n");
}

static void __init htcherald_disable_watchdog(void)
{
      /* Disable watchdog if running */
      if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) {
            /*
             * disable a potentially running watchdog timer before
             * it kills us.
             */
            printk(KERN_WARNING "OMAP850 Watchdog seems to be activated, disabling it for now.\n");
            omap_writel(0xF5, OMAP_WDT_TIMER_MODE);
            omap_writel(0xA0, OMAP_WDT_TIMER_MODE);
      }
}

#define HTCHERALD_GPIO_USB_EN1 33
#define HTCHERALD_GPIO_USB_EN2 73
#define HTCHERALD_GPIO_USB_DM  35
#define HTCHERALD_GPIO_USB_DP  36

static void __init htcherald_usb_enable(void)
{
      unsigned int tries = 20;
      unsigned int value = 0;

      /* Request the GPIOs we need to control here */
      if (gpio_request(HTCHERALD_GPIO_USB_EN1, "herald_usb") < 0)
            goto err1;

      if (gpio_request(HTCHERALD_GPIO_USB_EN2, "herald_usb") < 0)
            goto err2;

      if (gpio_request(HTCHERALD_GPIO_USB_DM, "herald_usb") < 0)
            goto err3;

      if (gpio_request(HTCHERALD_GPIO_USB_DP, "herald_usb") < 0)
            goto err4;

      /* force USB_EN GPIO to 0 */
      do {
            /* output low */
            gpio_direction_output(HTCHERALD_GPIO_USB_EN1, 0);
      } while ((value = gpio_get_value(HTCHERALD_GPIO_USB_EN1)) == 1 &&
                  --tries);

      if (value == 1)
            printk(KERN_WARNING "Unable to reset USB, trying to continue\n");

      gpio_direction_output(HTCHERALD_GPIO_USB_EN2, 0); /* output low */
      gpio_direction_input(HTCHERALD_GPIO_USB_DM); /* input */
      gpio_direction_input(HTCHERALD_GPIO_USB_DP); /* input */

      goto done;

err4:
      gpio_free(HTCHERALD_GPIO_USB_DM);
err3:
      gpio_free(HTCHERALD_GPIO_USB_EN2);
err2:
      gpio_free(HTCHERALD_GPIO_USB_EN1);
err1:
      printk(KERN_ERR "Unabled to request GPIO for USB\n");
done:
      printk(KERN_INFO "USB setup complete.\n");
}

static void __init htcherald_init(void)
{
      printk(KERN_INFO "HTC Herald init.\n");

      /* Do board initialization before we register all the devices */
      omap_board_config = htcherald_config;
      omap_board_config_size = ARRAY_SIZE(htcherald_config);
      platform_add_devices(devices, ARRAY_SIZE(devices));

      htcherald_disable_watchdog();

      htcherald_usb_enable();
      omap1_usb_init(&htcherald_usb_config);

      spi_register_board_info(htcherald_spi_board_info,
            ARRAY_SIZE(htcherald_spi_board_info));

      omap_register_i2c_bus(1, 100, NULL, 0);

#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
      htc_mmc_data[0] = &htc_mmc1_data;
      omap1_init_mmc(htc_mmc_data, 1);
#endif
}

static void __init htcherald_init_irq(void)
{
      printk(KERN_INFO "htcherald_init_irq.\n");
      omap1_init_common_hw();
      omap_init_irq();
}

MACHINE_START(HERALD, "HTC Herald")
      /* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */
      /* Maintainer: wing-linux.sourceforge.net */
      .boot_params    = 0x10000100,
      .map_io         = htcherald_map_io,
      .reserve    = omap_reserve,
      .init_irq       = htcherald_init_irq,
      .init_machine   = htcherald_init,
      .timer          = &omap_timer,
MACHINE_END

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