Initial import

1 files changed, 608 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
new file mode 100644
index 000000000..35a2379b9
--- /dev/null
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -0,0 +1,608 @@
+/*
+ * 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/delay.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 <linux/omapfb.h>
+#include <linux/platform_data/keypad-omap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/omap7xx.h>
+#include "mmc.h"
+
+#include <mach/irqs.h>
+#include <mach/usb.h>
+
+#include "common.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] = {
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static 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,
+	},
+};
+
+static 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 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,
+		.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)
+			pr_err("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)
+{
+	omap7xx_map_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 */
+	htcpld_resources[0].start = gpio_to_irq(HTCHERALD_GIRQ_BTNS);
+	htcpld_resources[0].end = gpio_to_irq(HTCHERALD_GIRQ_BTNS);
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	htcherald_disable_watchdog();
+
+	htcherald_usb_enable();
+	omap1_usb_init(&htcherald_usb_config);
+
+	htcherald_spi_board_info[0].irq = gpio_to_irq(HTCHERALD_GPIO_TS);
+	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
+
+	omapfb_set_lcd_config(&htcherald_lcd_config);
+}
+
+MACHINE_START(HERALD, "HTC Herald")
+	/* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */
+	/* Maintainer: wing-linux.sourceforge.net */
+	.atag_offset    = 0x100,
+	.map_io         = htcherald_map_io,
+	.init_early     = omap1_init_early,
+	.init_irq       = omap1_init_irq,
+	.init_machine   = htcherald_init,
+	.init_late	= omap1_init_late,
+	.init_time	= omap1_timer_init,
+	.restart	= omap1_restart,
+MACHINE_END