[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);