[ARM] pxa/treo680: initial support

Signed-off-by: Tomáš Čech <sleep_walker@suse.cz>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

5 files changed, 679 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index f4533f8ff4e8..89c992b8f75b 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -401,6 +401,16 @@ config MACH_PALMZ72
 	  Say Y here if you intend to run this kernel on Palm Zire 72
 	  handheld computer.
 
+config MACH_TREO680
+	bool "Palm Treo 680"
+	default y
+	depends on ARCH_PXA_PALM
+	select PXA27x
+	select IWMMXT
+	help
+	  Say Y here if you intend to run this kernel on Palm Treo 680
+	  smartphone.
+
 config MACH_PALMLD
 	bool "Palm LifeDrive"
 	default y
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index d18ffef44b8c..d4c6122a342f 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -62,6 +62,7 @@ obj-$(CONFIG_MACH_PALMT5)	+= palmt5.o
 obj-$(CONFIG_MACH_PALMTX)	+= palmtx.o
 obj-$(CONFIG_MACH_PALMLD)	+= palmld.o
 obj-$(CONFIG_MACH_PALMZ72)	+= palmz72.o
+obj-$(CONFIG_MACH_TREO680)	+= treo680.o
 obj-$(CONFIG_ARCH_VIPER)	+= viper.o
 
 ifeq ($(CONFIG_MACH_ZYLONITE),y)
diff --git a/arch/arm/mach-pxa/include/mach/treo680.h b/arch/arm/mach-pxa/include/mach/treo680.h
new file mode 100644
index 000000000000..af443b24d99a
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/treo680.h
@@ -0,0 +1,49 @@
+/*
+ * GPIOs and interrupts for Palm Treo 680 smartphone
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef _INCLUDE_TREO680_H_
+#define _INCLUDE_TREO680_H_
+
+/* GPIOs */
+#define GPIO_NR_TREO680_POWER_DETECT	0
+#define GPIO_NR_TREO680_AMP_EN		27
+#define GPIO_NR_TREO680_KEYB_BL		24
+#define GPIO_NR_TREO680_VIBRATE_EN	44
+#define GPIO_NR_TREO680_GREEN_LED	20
+#define GPIO_NR_TREO680_RED_LED		79
+#define GPIO_NR_TREO680_SD_DETECT_N	113
+#define GPIO_NR_TREO680_SD_READONLY	33
+#define GPIO_NR_TREO680_EP_DETECT_N	116
+#define GPIO_NR_TREO680_SD_POWER	42
+#define GPIO_NR_TREO680_USB_DETECT	1
+#define GPIO_NR_TREO680_USB_PULLUP	114
+#define GPIO_NR_TREO680_GSM_POWER	40
+#define GPIO_NR_TREO680_GSM_RESET	87
+#define GPIO_NR_TREO680_GSM_WAKE	57
+#define GPIO_NR_TREO680_GSM_HOST_WAKE	14
+#define GPIO_NR_TREO680_GSM_TRIGGER	10
+#define GPIO_NR_TREO680_BT_EN		43
+#define GPIO_NR_TREO680_IR_EN		115
+#define GPIO_NR_TREO680_IR_TXD		47
+#define GPIO_NR_TREO680_BL_POWER	38
+#define GPIO_NR_TREO680_LCD_POWER	25
+
+/* Various addresses  */
+#define TREO680_PHYS_RAM_START	0xa0000000
+#define TREO680_PHYS_IO_START	0x40000000
+#define TREO680_STR_BASE	0xa2000000
+
+/* BACKLIGHT */
+#define TREO680_MAX_INTENSITY		254
+#define TREO680_DEFAULT_INTENSITY	160
+#define TREO680_LIMIT_MASK		0x7F
+#define TREO680_PRESCALER		63
+#define TREO680_PERIOD_NS		3500
+
+#endif
diff --git a/arch/arm/mach-pxa/treo680.c b/arch/arm/mach-pxa/treo680.c
new file mode 100644
index 000000000000..a06f19edebb3
--- /dev/null
+++ b/arch/arm/mach-pxa/treo680.c
@@ -0,0 +1,612 @@
+/*
+ * Hardware definitions for Palm Treo 680
+ *
+ * Author:     Tomas Cech <sleep_walker@suse.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * (find more info at www.hackndev.com)
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+#include <linux/power_supply.h>
+#include <linux/sysdev.h>
+#include <linux/w1-gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa27x.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/audio.h>
+#include <mach/treo680.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/irda.h>
+#include <mach/pxa27x_keypad.h>
+#include <mach/udc.h>
+#include <mach/ohci.h>
+#include <mach/pxa2xx-regs.h>
+#include <mach/palmasoc.h>
+#include <mach/camera.h>
+
+#include <sound/pxa2xx-lib.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long treo680_pin_config[] __initdata = {
+	/* MMC */
+	GPIO32_MMC_CLK,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+	GPIO112_MMC_CMD,
+	GPIO33_GPIO,				/* SD read only */
+	GPIO113_GPIO,				/* SD detect */
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+	GPIO89_AC97_SYSCLK,
+	GPIO95_AC97_nRESET,
+
+	/* IrDA */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* PWM */
+	GPIO16_PWM0_OUT,
+
+	/* USB */
+	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,	/* usb detect */
+
+	/* MATRIX KEYPAD */
+	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
+	GPIO101_KP_MKIN_1,
+	GPIO102_KP_MKIN_2,
+	GPIO97_KP_MKIN_3,
+	GPIO98_KP_MKIN_4,
+	GPIO99_KP_MKIN_5,
+	GPIO91_KP_MKIN_6,
+	GPIO13_KP_MKIN_7,
+	GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
+	GPIO104_KP_MKOUT_1,
+	GPIO105_KP_MKOUT_2,
+	GPIO106_KP_MKOUT_3,
+	GPIO107_KP_MKOUT_4,
+	GPIO108_KP_MKOUT_5,
+	GPIO96_KP_MKOUT_6,
+	GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,	/* Hotsync button */
+
+	/* LCD */
+	GPIO58_LCD_LDD_0,
+	GPIO59_LCD_LDD_1,
+	GPIO60_LCD_LDD_2,
+	GPIO61_LCD_LDD_3,
+	GPIO62_LCD_LDD_4,
+	GPIO63_LCD_LDD_5,
+	GPIO64_LCD_LDD_6,
+	GPIO65_LCD_LDD_7,
+	GPIO66_LCD_LDD_8,
+	GPIO67_LCD_LDD_9,
+	GPIO68_LCD_LDD_10,
+	GPIO69_LCD_LDD_11,
+	GPIO70_LCD_LDD_12,
+	GPIO71_LCD_LDD_13,
+	GPIO72_LCD_LDD_14,
+	GPIO73_LCD_LDD_15,
+	GPIO74_LCD_FCLK,
+	GPIO75_LCD_LCLK,
+	GPIO76_LCD_PCLK,
+
+	/* Quick Capture Interface */
+	GPIO84_CIF_FV,
+	GPIO85_CIF_LV,
+	GPIO53_CIF_MCLK,
+	GPIO54_CIF_PCLK,
+	GPIO81_CIF_DD_0,
+	GPIO55_CIF_DD_1,
+	GPIO51_CIF_DD_2,
+	GPIO50_CIF_DD_3,
+	GPIO52_CIF_DD_4,
+	GPIO48_CIF_DD_5,
+	GPIO17_CIF_DD_6,
+	GPIO12_CIF_DD_7,
+
+	/* I2C */
+	GPIO117_I2C_SCL,
+	GPIO118_I2C_SDA,
+
+	/* GSM */
+	GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH,	/* GSM host wake up */
+	GPIO34_FFUART_RXD,
+	GPIO35_FFUART_CTS,
+	GPIO39_FFUART_TXD,
+	GPIO41_FFUART_RTS,
+
+	/* MISC. */
+	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* external power detect */
+	GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH,	/* silent switch */
+	GPIO116_GPIO,				/* headphone detect */
+	GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,	/* bluetooth host wake up */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int treo680_mci_init(struct device *dev,
+		irq_handler_t treo680_detect_int, void *data)
+{
+	int err = 0;
+
+	/* Setup an interrupt for detecting card insert/remove events */
+	err = gpio_request(GPIO_NR_TREO680_SD_DETECT_N, "SD IRQ");
+
+	if (err)
+		goto err;
+
+	err = gpio_direction_input(GPIO_NR_TREO680_SD_DETECT_N);
+	if (err)
+		goto err2;
+
+	err = request_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N),
+			treo680_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+			"SD/MMC card detect", data);
+
+	if (err) {
+		dev_err(dev, "%s: cannot request SD/MMC card detect IRQ\n",
+			     __func__);
+		goto err2;
+	}
+
+	err = gpio_request(GPIO_NR_TREO680_SD_POWER, "SD_POWER");
+	if (err)
+		goto err3;
+
+	err = gpio_direction_output(GPIO_NR_TREO680_SD_POWER, 1);
+	if (err)
+		goto err4;
+
+	err = gpio_request(GPIO_NR_TREO680_SD_READONLY, "SD_READONLY");
+	if (err)
+		goto err4;
+
+	err = gpio_direction_input(GPIO_NR_TREO680_SD_READONLY);
+	if (err)
+		goto err5;
+
+	return 0;
+
+err5:
+	gpio_free(GPIO_NR_TREO680_SD_READONLY);
+err4:
+	gpio_free(GPIO_NR_TREO680_SD_POWER);
+err3:
+	free_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N), data);
+err2:
+	gpio_free(GPIO_NR_TREO680_SD_DETECT_N);
+err:
+	return err;
+}
+
+static void treo680_mci_exit(struct device *dev, void *data)
+{
+	gpio_free(GPIO_NR_TREO680_SD_READONLY);
+	gpio_free(GPIO_NR_TREO680_SD_POWER);
+	free_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N), data);
+	gpio_free(GPIO_NR_TREO680_SD_DETECT_N);
+}
+
+static void treo680_mci_power(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data *p_d = dev->platform_data;
+	gpio_set_value(GPIO_NR_TREO680_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int treo680_mci_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_NR_TREO680_SD_READONLY);
+}
+
+static struct pxamci_platform_data treo680_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.setpower	= treo680_mci_power,
+	.get_ro		= treo680_mci_get_ro,
+	.init 		= treo680_mci_init,
+	.exit		= treo680_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+static unsigned int treo680_matrix_keys[] = {
+	KEY(0, 0, KEY_F8),		/* Red/Off/Power */
+	KEY(0, 1, KEY_LEFT),
+	KEY(0, 2, KEY_LEFTCTRL),	/* Alternate */
+	KEY(0, 3, KEY_L),
+	KEY(0, 4, KEY_A),
+	KEY(0, 5, KEY_Q),
+	KEY(0, 6, KEY_P),
+
+	KEY(1, 0, KEY_RIGHTCTRL),	/* Menu */
+	KEY(1, 1, KEY_RIGHT),
+	KEY(1, 2, KEY_LEFTSHIFT),	/* Left shift */
+	KEY(1, 3, KEY_Z),
+	KEY(1, 4, KEY_S),
+	KEY(1, 5, KEY_W),
+
+	KEY(2, 0, KEY_F1),		/* Phone */
+	KEY(2, 1, KEY_UP),
+	KEY(2, 2, KEY_0),
+	KEY(2, 3, KEY_X),
+	KEY(2, 4, KEY_D),
+	KEY(2, 5, KEY_E),
+
+	KEY(3, 0, KEY_F10),		/* Calendar */
+	KEY(3, 1, KEY_DOWN),
+	KEY(3, 2, KEY_SPACE),
+	KEY(3, 3, KEY_C),
+	KEY(3, 4, KEY_F),
+	KEY(3, 5, KEY_R),
+
+	KEY(4, 0, KEY_F12),		/* Mail */
+	KEY(4, 1, KEY_KPENTER),
+	KEY(4, 2, KEY_RIGHTALT),	/* Alt */
+	KEY(4, 3, KEY_V),
+	KEY(4, 4, KEY_G),
+	KEY(4, 5, KEY_T),
+
+	KEY(5, 0, KEY_F9),		/* Home */
+	KEY(5, 1, KEY_PAGEUP),		/* Side up */
+	KEY(5, 2, KEY_DOT),
+	KEY(5, 3, KEY_B),
+	KEY(5, 4, KEY_H),
+	KEY(5, 5, KEY_Y),
+
+	KEY(6, 0, KEY_TAB),		/* Side Activate */
+	KEY(6, 1, KEY_PAGEDOWN),	/* Side down */
+	KEY(6, 2, KEY_ENTER),
+	KEY(6, 3, KEY_N),
+	KEY(6, 4, KEY_J),
+	KEY(6, 5, KEY_U),
+
+	KEY(7, 0, KEY_F6),		/* Green/Call */
+	KEY(7, 1, KEY_O),
+	KEY(7, 2, KEY_BACKSPACE),
+	KEY(7, 3, KEY_M),
+	KEY(7, 4, KEY_K),
+	KEY(7, 5, KEY_I),
+};
+
+static struct pxa27x_keypad_platform_data treo680_keypad_platform_data = {
+	.matrix_key_rows	= 8,
+	.matrix_key_cols	= 7,
+	.matrix_key_map		= treo680_matrix_keys,
+	.matrix_key_map_size	= ARRAY_SIZE(treo680_matrix_keys),
+	.direct_key_map		= { KEY_CONNECT },
+	.direct_key_num		= 1,
+
+	.debounce_interval	= 30,
+};
+
+/******************************************************************************
+ * aSoC audio
+ ******************************************************************************/
+
+static pxa2xx_audio_ops_t treo680_ac97_pdata = {
+	.reset_gpio	= 95,
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int treo680_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_TREO680_BL_POWER, "BL POWER");
+	if (ret)
+		goto err;
+	ret = gpio_direction_output(GPIO_NR_TREO680_BL_POWER, 0);
+	if (ret)
+		goto err2;
+	ret = gpio_request(GPIO_NR_TREO680_LCD_POWER, "LCD POWER");
+	if (ret)
+		goto err2;
+	ret = gpio_direction_output(GPIO_NR_TREO680_LCD_POWER, 0);
+	if (ret)
+		goto err3;
+
+	return 0;
+err3:
+	gpio_free(GPIO_NR_TREO680_LCD_POWER);
+err2:
+	gpio_free(GPIO_NR_TREO680_BL_POWER);
+err:
+	return ret;
+}
+
+static int treo680_backlight_notify(int brightness)
+{
+	gpio_set_value(GPIO_NR_TREO680_BL_POWER, brightness);
+	return TREO680_MAX_INTENSITY - brightness;
+};
+
+static void treo680_backlight_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_TREO680_BL_POWER);
+	gpio_free(GPIO_NR_TREO680_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data treo680_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= TREO680_MAX_INTENSITY,
+	.dft_brightness	= TREO680_DEFAULT_INTENSITY,
+	.pwm_period_ns	= TREO680_PERIOD_NS,
+	.init		= treo680_backlight_init,
+	.notify		= treo680_backlight_notify,
+	.exit		= treo680_backlight_exit,
+};
+
+static struct platform_device treo680_backlight = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa27x_device_pwm0.dev,
+		.platform_data	= &treo680_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static void treo680_transceiver_mode(struct device *dev, int mode)
+{
+	gpio_set_value(GPIO_NR_TREO680_IR_EN, mode & IR_OFF);
+	pxa2xx_transceiver_mode(dev, mode);
+}
+
+static int treo680_irda_startup(struct device *dev)
+{
+	int err;
+
+	err = gpio_request(GPIO_NR_TREO680_IR_EN, "Ir port disable");
+	if (err)
+		goto err1;
+
+	err = gpio_direction_output(GPIO_NR_TREO680_IR_EN, 1);
+	if (err)
+		goto err2;
+
+	return 0;
+
+err2:
+	dev_err(dev, "treo680_irda: cannot change IR gpio direction\n");
+	gpio_free(GPIO_NR_TREO680_IR_EN);
+err1:
+	dev_err(dev, "treo680_irda: cannot allocate IR gpio\n");
+	return err;
+}
+
+static void treo680_irda_shutdown(struct device *dev)
+{
+	gpio_free(GPIO_NR_TREO680_AMP_EN);
+}
+
+static struct pxaficp_platform_data treo680_ficp_info = {
+	.transceiver_cap  = IR_FIRMODE | IR_SIRMODE | IR_OFF,
+	.startup          = treo680_irda_startup,
+	.shutdown         = treo680_irda_shutdown,
+	.transceiver_mode = treo680_transceiver_mode,
+};
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static struct pxa2xx_udc_mach_info treo680_udc_info __initdata = {
+	.gpio_vbus		= GPIO_NR_TREO680_USB_DETECT,
+	.gpio_vbus_inverted	= 1,
+	.gpio_pullup		= GPIO_NR_TREO680_USB_PULLUP,
+};
+
+
+/******************************************************************************
+ * USB host
+ ******************************************************************************/
+static struct pxaohci_platform_data treo680_ohci_info = {
+	.port_mode    = PMM_PERPORT_MODE,
+	.flags        = ENABLE_PORT1 | ENABLE_PORT3,
+	.power_budget = 0,
+};
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_TREO680_POWER_DETECT, "CABLE_STATE_AC");
+	if (ret)
+		goto err1;
+	ret = gpio_direction_input(GPIO_NR_TREO680_POWER_DETECT);
+	if (ret)
+		goto err2;
+
+	return 0;
+
+err2:
+	gpio_free(GPIO_NR_TREO680_POWER_DETECT);
+err1:
+	return ret;
+}
+
+static int treo680_is_ac_online(void)
+{
+	return gpio_get_value(GPIO_NR_TREO680_POWER_DETECT);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_TREO680_POWER_DETECT);
+}
+
+static char *treo680_supplicants[] = {
+	"main-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+	.init		 = power_supply_init,
+	.is_ac_online    = treo680_is_ac_online,
+	.exit		 = power_supply_exit,
+	.supplied_to     = treo680_supplicants,
+	.num_supplicants = ARRAY_SIZE(treo680_supplicants),
+};
+
+static struct platform_device power_supply = {
+	.name = "pda-power",
+	.id   = -1,
+	.dev  = {
+		.platform_data = &power_supply_info,
+	},
+};
+
+/******************************************************************************
+ * Vibra and LEDs
+ ******************************************************************************/
+static struct gpio_led gpio_leds[] = {
+	{
+		.name			= "treo680:vibra:vibra",
+		.default_trigger	= "none",
+		.gpio			= GPIO_NR_TREO680_VIBRATE_EN,
+	},
+	{
+		.name			= "treo680:green:led",
+		.default_trigger	= "mmc0",
+		.gpio			= GPIO_NR_TREO680_GREEN_LED,
+	},
+	{
+		.name			= "treo680:keybbl:keybbl",
+		.default_trigger	= "none",
+		.gpio			= GPIO_NR_TREO680_KEYB_BL,
+	},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device treo680_leds = {
+	.name   = "leds-gpio",
+	.id     = -1,
+	.dev    = {
+		.platform_data  = &gpio_led_info,
+	}
+};
+
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+/* TODO: add support for 324x324 */
+static struct pxafb_mode_info treo680_lcd_modes[] = {
+{
+	.pixclock		= 86538,
+	.xres			= 320,
+	.yres			= 320,
+	.bpp			= 16,
+
+	.left_margin		= 20,
+	.right_margin		= 8,
+	.upper_margin		= 8,
+	.lower_margin		= 5,
+
+	.hsync_len		= 4,
+	.vsync_len		= 1,
+},
+};
+
+static struct pxafb_mach_info treo680_lcd_screen = {
+	.modes		= treo680_lcd_modes,
+	.num_modes	= ARRAY_SIZE(treo680_lcd_modes),
+	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+/******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+static void __init treo680_pm_init(void)
+{
+	static u32 resume[] = {
+		0xe3a00101,	/* mov	r0,	#0x40000000 */
+		0xe380060f,	/* orr	r0, r0, #0x00f00000 */
+		0xe590f008,	/* ldr	pc, [r0, #0x08] */
+	};
+
+	/* this is where the bootloader jumps */
+	memcpy(phys_to_virt(TREO680_STR_BASE), resume, sizeof(resume));
+}
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static struct platform_device *devices[] __initdata = {
+	&treo680_backlight,
+	&treo680_leds,
+	&power_supply,
+};
+
+/* setup udc GPIOs initial state */
+static void __init treo680_udc_init(void)
+{
+	if (!gpio_request(GPIO_NR_TREO680_USB_PULLUP, "UDC Vbus")) {
+		gpio_direction_output(GPIO_NR_TREO680_USB_PULLUP, 1);
+		gpio_free(GPIO_NR_TREO680_USB_PULLUP);
+	}
+}
+
+static void __init treo680_init(void)
+{
+	treo680_pm_init();
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
+	pxa_set_keypad_info(&treo680_keypad_platform_data);
+	set_pxa_fb_info(&treo680_lcd_screen);
+	pxa_set_mci_info(&treo680_mci_platform_data);
+	treo680_udc_init();
+	pxa_set_udc_info(&treo680_udc_info);
+	pxa_set_ac97_info(&treo680_ac97_pdata);
+	pxa_set_ficp_info(&treo680_ficp_info);
+	pxa_set_ohci_info(&treo680_ohci_info);
+
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(TREO680, "Palm Treo 680")
+	.phys_io	= TREO680_PHYS_IO_START,
+	.io_pg_offst	= io_p2v(0x40000000),
+	.boot_params	= 0xa0000100,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= treo680_init,
+MACHINE_END
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e6344ece00ce..0b91bb20cf95 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -835,6 +835,13 @@ void __init reserve_node_zero(pg_data_t *pgdat)
 				BOOTMEM_EXCLUSIVE);
 	}
 
+	if (machine_is_treo680()) {
+		reserve_bootmem_node(pgdat, 0xa0000000, 0x1000,
+				BOOTMEM_EXCLUSIVE);
+		reserve_bootmem_node(pgdat, 0xa2000000, 0x1000,
+				BOOTMEM_EXCLUSIVE);
+	}
+
 	if (machine_is_palmt5())
 		reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
 				BOOTMEM_EXCLUSIVE);