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authorMarek Vasut <marek.vasut@gmail.com>2009-07-16 13:26:48 +0200
committerEric Miao <eric.y.miao@gmail.com>2009-09-10 18:49:36 +0800
commit5d783a2d592ce5fdc01292470059ed15998e404e (patch)
treebd2f13bc636a75095882a88bdc8d1b2db1e0b819 /arch
parent91cf6a97b9a155081c455bd453b7ab889d31da03 (diff)
[ARM] pxa: Palm Tungsten|C initial support
This patch adds basic support for Palm Tungsten|C handheld. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-pxa/Kconfig9
-rw-r--r--arch/arm/mach-pxa/Makefile1
-rw-r--r--arch/arm/mach-pxa/include/mach/palmtc.h86
-rw-r--r--arch/arm/mach-pxa/palmtc.c462
4 files changed, 558 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 32e44b3a8fb..d1dcb1cf075 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -376,6 +376,15 @@ config MACH_PALMTE2
Say Y here if you intend to run this kernel on a Palm Tungsten|E2
handheld computer.
+config MACH_PALMTC
+ bool "Palm Tungsten|C"
+ default y
+ depends on ARCH_PXA_PALM
+ select PXA25x
+ help
+ Say Y here if you intend to run this kernel on a Palm Tungsten|C
+ handheld computer.
+
config MACH_PALMT5
bool "Palm Tungsten|T5"
default y
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index d4c6122a342..aa8f83e9421 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -58,6 +58,7 @@ obj-$(CONFIG_MACH_E750) += e750.o
obj-$(CONFIG_MACH_E400) += e400.o
obj-$(CONFIG_MACH_E800) += e800.o
obj-$(CONFIG_MACH_PALMTE2) += palmte2.o
+obj-$(CONFIG_MACH_PALMTC) += palmtc.o
obj-$(CONFIG_MACH_PALMT5) += palmt5.o
obj-$(CONFIG_MACH_PALMTX) += palmtx.o
obj-$(CONFIG_MACH_PALMLD) += palmld.o
diff --git a/arch/arm/mach-pxa/include/mach/palmtc.h b/arch/arm/mach-pxa/include/mach/palmtc.h
new file mode 100644
index 00000000000..3dc9b074ab4
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/palmtc.h
@@ -0,0 +1,86 @@
+/*
+ * linux/include/asm-arm/arch-pxa/palmtc-gpio.h
+ *
+ * GPIOs and interrupts for Palm Tungsten|C Handheld Computer
+ *
+ * Authors: Alex Osborne <bobofdoom@gmail.com>
+ * Marek Vasut <marek.vasut@gmail.com>
+ * Holger Bocklet <bitz.email@gmx.net>
+ *
+ * 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_PALMTC_H_
+#define _INCLUDE_PALMTC_H_
+
+/** HERE ARE GPIOs **/
+
+/* GPIOs */
+#define GPIO_NR_PALMTC_EARPHONE_DETECT 2
+#define GPIO_NR_PALMTC_CRADLE_DETECT 5
+#define GPIO_NR_PALMTC_HOTSYNC_BUTTON 7
+
+/* SD/MMC */
+#define GPIO_NR_PALMTC_SD_DETECT_N 12
+#define GPIO_NR_PALMTC_SD_POWER 32
+#define GPIO_NR_PALMTC_SD_READONLY 54
+
+/* WLAN */
+#define GPIO_NR_PALMTC_PCMCIA_READY 13
+#define GPIO_NR_PALMTC_PCMCIA_PWRREADY 14
+#define GPIO_NR_PALMTC_PCMCIA_POWER1 15
+#define GPIO_NR_PALMTC_PCMCIA_POWER2 33
+#define GPIO_NR_PALMTC_PCMCIA_POWER3 55
+#define GPIO_NR_PALMTC_PCMCIA_RESET 78
+
+/* UDC */
+#define GPIO_NR_PALMTC_USB_DETECT_N 4
+#define GPIO_NR_PALMTC_USB_POWER 36
+
+/* LCD/BACKLIGHT */
+#define GPIO_NR_PALMTC_BL_POWER 16
+#define GPIO_NR_PALMTC_LCD_POWER 44
+#define GPIO_NR_PALMTC_LCD_BLANK 38
+
+/* UART */
+#define GPIO_NR_PALMTC_RS232_POWER 37
+
+/* IRDA */
+#define GPIO_NR_PALMTC_IR_DISABLE 45
+
+/* IRQs */
+#define IRQ_GPIO_PALMTC_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTC_SD_DETECT_N)
+#define IRQ_GPIO_PALMTC_WLAN_READY IRQ_GPIO(GPIO_NR_PALMTC_WLAN_READY)
+
+/* UCB1400 GPIOs */
+#define GPIO_NR_PALMTC_POWER_DETECT (0x80 | 0x00)
+#define GPIO_NR_PALMTC_HEADPHONE_DETECT (0x80 | 0x01)
+#define GPIO_NR_PALMTC_SPEAKER_ENABLE (0x80 | 0x03)
+#define GPIO_NR_PALMTC_VIBRA_POWER (0x80 | 0x05)
+#define GPIO_NR_PALMTC_LED_POWER (0x80 | 0x07)
+
+/** HERE ARE INIT VALUES **/
+#define PALMTC_UCB1400_GPIO_OFFSET 0x80
+
+/* BATTERY */
+#define PALMTC_BAT_MAX_VOLTAGE 4000 /* 4.00V maximum voltage */
+#define PALMTC_BAT_MIN_VOLTAGE 3550 /* 3.55V critical voltage */
+#define PALMTC_BAT_MAX_CURRENT 0 /* unknokn */
+#define PALMTC_BAT_MIN_CURRENT 0 /* unknown */
+#define PALMTC_BAT_MAX_CHARGE 1 /* unknown */
+#define PALMTC_BAT_MIN_CHARGE 1 /* unknown */
+#define PALMTC_MAX_LIFE_MINS 240 /* on-life in minutes */
+
+#define PALMTC_BAT_MEASURE_DELAY (HZ * 1)
+
+/* BACKLIGHT */
+#define PALMTC_MAX_INTENSITY 0xFE
+#define PALMTC_DEFAULT_INTENSITY 0x7E
+#define PALMTC_LIMIT_MASK 0x7F
+#define PALMTC_PRESCALER 0x3F
+#define PALMTC_PERIOD_NS 3500
+
+#endif
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
new file mode 100644
index 00000000000..f70f1f820ee
--- /dev/null
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -0,0 +1,462 @@
+/*
+ * linux/arch/arm/mach-pxa/palmtc.c
+ *
+ * Support for the Palm Tungsten|C
+ *
+ * Author: Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ * Petr Blaha <p3t3@centrum.cz>
+ * Chetan S. Kumar <shivakumar.chetan@gmail.com>
+ *
+ * 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.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/input.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/ucb1400.h>
+#include <linux/power_supply.h>
+#include <linux/gpio_keys.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/audio.h>
+#include <mach/palmtc.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/mfp-pxa25x.h>
+#include <mach/irda.h>
+#include <mach/udc.h>
+#include <mach/pxa2xx-regs.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmtc_pin_config[] __initdata = {
+ /* MMC */
+ GPIO6_MMC_CLK,
+ GPIO8_MMC_CS0,
+ GPIO12_GPIO, /* detect */
+ GPIO32_GPIO, /* power */
+ GPIO54_GPIO, /* r/o switch */
+
+ /* PCMCIA */
+ GPIO52_nPCE_1,
+ GPIO53_nPCE_2,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO49_nPWE,
+ GPIO48_nPOE,
+ GPIO52_nPCE_1,
+ GPIO53_nPCE_2,
+ GPIO57_nIOIS16,
+ GPIO56_nPWAIT,
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+
+ /* IrDA */
+ GPIO45_GPIO, /* ir disable */
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+
+ /* PWM */
+ GPIO17_PWM1_OUT,
+
+ /* USB */
+ GPIO4_GPIO, /* detect */
+ GPIO36_GPIO, /* pullup */
+
+ /* 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,
+ GPIO77_LCD_BIAS,
+
+ /* MATRIX KEYPAD */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
+ GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
+ GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
+ GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
+ GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
+ GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
+ GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
+ GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
+ GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
+ GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
+ GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
+ GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
+ GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
+ GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
+ GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
+ GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
+
+ /* PXA GPIO KEYS */
+ GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
+
+ /* MISC */
+ GPIO1_RST, /* reset */
+ GPIO2_GPIO, /* earphone detect */
+ GPIO16_GPIO, /* backlight switch */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static struct pxamci_platform_data palmtc_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .gpio_power = GPIO_NR_PALMTC_SD_POWER,
+ .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY,
+ .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N,
+ .detect_delay = 20,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmtc_pxa_buttons[] = {
+ {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
+};
+
+static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
+ .buttons = palmtc_pxa_buttons,
+ .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
+};
+
+static struct platform_device palmtc_pxa_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtc_pxa_keys_data,
+ },
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmtc_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
+ if (ret)
+ goto err;
+ ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
+ if (ret)
+ goto err2;
+
+ return 0;
+
+err2:
+ gpio_free(GPIO_NR_PALMTC_BL_POWER);
+err:
+ return ret;
+}
+
+static int palmtc_backlight_notify(int brightness)
+{
+ /* backlight is on when GPIO16 AF0 is high */
+ gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
+ return brightness;
+}
+
+static void palmtc_backlight_exit(struct device *dev)
+{
+ gpio_free(GPIO_NR_PALMTC_BL_POWER);
+}
+
+static struct platform_pwm_backlight_data palmtc_backlight_data = {
+ .pwm_id = 1,
+ .max_brightness = PALMTC_MAX_INTENSITY,
+ .dft_brightness = PALMTC_MAX_INTENSITY,
+ .pwm_period_ns = PALMTC_PERIOD_NS,
+ .init = palmtc_backlight_init,
+ .notify = palmtc_backlight_notify,
+ .exit = palmtc_backlight_exit,
+};
+
+static struct platform_device palmtc_backlight = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa25x_device_pwm1.dev,
+ .platform_data = &palmtc_backlight_data,
+ },
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmtc_irda_startup(struct device *dev)
+{
+ int err;
+ err = gpio_request(GPIO_NR_PALMTC_IR_DISABLE, "IR DISABLE");
+ if (err)
+ goto err;
+ err = gpio_direction_output(GPIO_NR_PALMTC_IR_DISABLE, 1);
+ if (err)
+ gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
+err:
+ return err;
+}
+
+static void palmtc_irda_shutdown(struct device *dev)
+{
+ gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
+}
+
+static void palmtc_irda_transceiver_mode(struct device *dev, int mode)
+{
+ gpio_set_value(GPIO_NR_PALMTC_IR_DISABLE, mode & IR_OFF);
+ pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmtc_ficp_platform_data = {
+ .startup = palmtc_irda_startup,
+ .shutdown = palmtc_irda_shutdown,
+ .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+ .transceiver_mode = palmtc_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * Keyboard
+ ******************************************************************************/
+static const uint32_t palmtc_matrix_keys[] = {
+ KEY(0, 0, KEY_F1),
+ KEY(0, 1, KEY_X),
+ KEY(0, 2, KEY_POWER),
+ KEY(0, 3, KEY_TAB),
+ KEY(0, 4, KEY_A),
+ KEY(0, 5, KEY_Q),
+ KEY(0, 6, KEY_LEFTSHIFT),
+ KEY(0, 7, KEY_Z),
+ KEY(0, 8, KEY_S),
+ KEY(0, 9, KEY_W),
+ KEY(0, 10, KEY_E),
+ KEY(0, 11, KEY_UP),
+
+ KEY(1, 0, KEY_F2),
+ KEY(1, 1, KEY_DOWN),
+ KEY(1, 3, KEY_D),
+ KEY(1, 4, KEY_C),
+ KEY(1, 5, KEY_F),
+ KEY(1, 6, KEY_R),
+ KEY(1, 7, KEY_SPACE),
+ KEY(1, 8, KEY_V),
+ KEY(1, 9, KEY_G),
+ KEY(1, 10, KEY_T),
+ KEY(1, 11, KEY_LEFT),
+
+ KEY(2, 0, KEY_F3),
+ KEY(2, 1, KEY_LEFTCTRL),
+ KEY(2, 3, KEY_H),
+ KEY(2, 4, KEY_Y),
+ KEY(2, 5, KEY_N),
+ KEY(2, 6, KEY_J),
+ KEY(2, 7, KEY_U),
+ KEY(2, 8, KEY_M),
+ KEY(2, 9, KEY_K),
+ KEY(2, 10, KEY_I),
+ KEY(2, 11, KEY_RIGHT),
+
+ KEY(3, 0, KEY_F4),
+ KEY(3, 1, KEY_ENTER),
+ KEY(3, 3, KEY_DOT),
+ KEY(3, 4, KEY_L),
+ KEY(3, 5, KEY_O),
+ KEY(3, 6, KEY_LEFTALT),
+ KEY(3, 7, KEY_ENTER),
+ KEY(3, 8, KEY_BACKSPACE),
+ KEY(3, 9, KEY_P),
+ KEY(3, 10, KEY_B),
+ KEY(3, 11, KEY_FN),
+};
+
+const struct matrix_keymap_data palmtc_keymap_data = {
+ .keymap = palmtc_matrix_keys,
+ .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
+};
+
+const static unsigned int palmtc_keypad_row_gpios[] = {
+ 0, 9, 10, 11
+};
+
+const static unsigned int palmtc_keypad_col_gpios[] = {
+ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
+};
+
+static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
+ .keymap_data = &palmtc_keymap_data,
+ .col_gpios = palmtc_keypad_row_gpios,
+ .num_col_gpios = 12,
+ .row_gpios = palmtc_keypad_col_gpios,
+ .num_row_gpios = 4,
+ .active_low = 1,
+
+ .debounce_ms = 20,
+ .col_scan_delay_us = 5,
+};
+
+static struct platform_device palmtc_keyboard = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtc_keypad_platform_data,
+ },
+};
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
+ .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
+ .gpio_vbus_inverted = 1,
+ .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
+};
+
+/******************************************************************************
+ * Touchscreen / Battery / GPIO-extender
+ ******************************************************************************/
+static struct platform_device palmtc_ucb1400_core = {
+ .name = "ucb1400_core",
+ .id = -1,
+};
+
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+static struct resource palmtc_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition palmtc_flash_parts[] = {
+ {
+ .name = "U-Boot Bootloader",
+ .offset = 0x0,
+ .size = 0x40000,
+ },
+ {
+ .name = "Linux Kernel",
+ .offset = 0x40000,
+ .size = 0x2c0000,
+ },
+ {
+ .name = "Filesystem",
+ .offset = 0x300000,
+ .size = 0xcc0000,
+ },
+ {
+ .name = "U-Boot Environment",
+ .offset = 0xfc0000,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data palmtc_flash_data = {
+ .width = 4,
+ .parts = palmtc_flash_parts,
+ .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
+};
+
+static struct platform_device palmtc_flash = {
+ .name = "physmap-flash",
+ .id = -1,
+ .resource = &palmtc_flash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = &palmtc_flash_data,
+ },
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmtc_lcd_modes[] = {
+{
+ .pixclock = 115384,
+ .xres = 320,
+ .yres = 320,
+ .bpp = 16,
+
+ .left_margin = 27,
+ .right_margin = 7,
+ .upper_margin = 7,
+ .lower_margin = 8,
+
+ .hsync_len = 6,
+ .vsync_len = 1,
+},
+};
+
+static struct pxafb_mach_info palmtc_lcd_screen = {
+ .modes = palmtc_lcd_modes,
+ .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static struct platform_device *devices[] __initdata = {
+ &palmtc_backlight,
+ &palmtc_ucb1400_core,
+ &palmtc_keyboard,
+ &palmtc_pxa_keys,
+ &palmtc_flash,
+};
+
+static void __init palmtc_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
+
+ set_pxa_fb_info(&palmtc_lcd_screen);
+ pxa_set_mci_info(&palmtc_mci_platform_data);
+ pxa_set_udc_info(&palmtc_udc_info);
+ pxa_set_ac97_info(NULL);
+ pxa_set_ficp_info(&palmtc_ficp_platform_data);
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+};
+
+MACHINE_START(PALMTC, "Palm Tungsten|C")
+ .phys_io = 0x40000000,
+ .boot_params = 0xa0000100,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa25x_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = palmtc_init
+MACHINE_END