553 lines
14 KiB
C
553 lines
14 KiB
C
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/*
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* Hardware definitions for Palm LifeDrive
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*
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* Author: Marek Vasut <marek.vasut@gmail.com>
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*
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* Based on work of:
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* Alex Osborne <ato@meshy.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* (find more info at www.hackndev.com)
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*
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*/
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/pda_power.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/wm97xx_batt.h>
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#include <linux/power_supply.h>
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#include <linux/sysdev.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/pxa27x.h>
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#include <mach/audio.h>
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#include <mach/palmld.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/irda.h>
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#include <mach/pxa27x_keypad.h>
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#include <mach/palmasoc.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static unsigned long palmld_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO14_GPIO, /* SD detect */
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GPIO114_GPIO, /* SD power */
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GPIO116_GPIO, /* SD r/o switch */
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO89_AC97_SYSCLK,
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GPIO95_AC97_nRESET,
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/* IrDA */
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GPIO108_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* MATRIX KEYPAD */
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
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GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
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GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
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GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
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GPIO103_KP_MKOUT_0,
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GPIO104_KP_MKOUT_1,
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GPIO105_KP_MKOUT_2,
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/* LCD */
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GPIO58_LCD_LDD_0,
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GPIO59_LCD_LDD_1,
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GPIO60_LCD_LDD_2,
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GPIO61_LCD_LDD_3,
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GPIO62_LCD_LDD_4,
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GPIO63_LCD_LDD_5,
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GPIO64_LCD_LDD_6,
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GPIO65_LCD_LDD_7,
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GPIO66_LCD_LDD_8,
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GPIO67_LCD_LDD_9,
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GPIO68_LCD_LDD_10,
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GPIO69_LCD_LDD_11,
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GPIO70_LCD_LDD_12,
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GPIO71_LCD_LDD_13,
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GPIO72_LCD_LDD_14,
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GPIO73_LCD_LDD_15,
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GPIO74_LCD_FCLK,
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GPIO75_LCD_LCLK,
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GPIO76_LCD_PCLK,
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GPIO77_LCD_BIAS,
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/* PWM */
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GPIO16_PWM0_OUT,
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/* GPIO KEYS */
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GPIO10_GPIO, /* hotsync button */
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GPIO12_GPIO, /* power switch */
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GPIO15_GPIO, /* lock switch */
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/* LEDs */
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GPIO52_GPIO, /* green led */
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GPIO94_GPIO, /* orange led */
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/* PCMCIA */
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO85_nPCE_1,
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GPIO54_nPCE_2,
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GPIO79_PSKTSEL,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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GPIO36_GPIO, /* wifi power */
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GPIO38_GPIO, /* wifi ready */
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GPIO81_GPIO, /* wifi reset */
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/* FFUART */
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GPIO34_FFUART_RXD,
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GPIO39_FFUART_TXD,
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/* HDD */
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GPIO98_GPIO, /* HDD reset */
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GPIO115_GPIO, /* HDD power */
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/* MISC */
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GPIO13_GPIO, /* earphone detect */
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};
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/******************************************************************************
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* NOR Flash
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******************************************************************************/
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static struct mtd_partition palmld_partitions[] = {
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{
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.name = "Flash",
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.offset = 0x00000000,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data palmld_flash_data[] = {
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{
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.width = 2, /* bankwidth in bytes */
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.parts = palmld_partitions,
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.nr_parts = ARRAY_SIZE(palmld_partitions)
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}
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};
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static struct resource palmld_flash_resource = {
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.start = PXA_CS0_PHYS,
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.end = PXA_CS0_PHYS + SZ_4M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device palmld_flash = {
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.name = "physmap-flash",
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.id = 0,
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.resource = &palmld_flash_resource,
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.num_resources = 1,
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.dev = {
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.platform_data = palmld_flash_data,
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},
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};
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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static struct pxamci_platform_data palmld_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_card_detect = GPIO_NR_PALMLD_SD_DETECT_N,
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.gpio_card_ro = GPIO_NR_PALMLD_SD_READONLY,
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.gpio_power = GPIO_NR_PALMLD_SD_POWER,
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.detect_delay = 20,
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};
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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static unsigned int palmld_matrix_keys[] = {
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KEY(0, 1, KEY_F2),
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KEY(0, 2, KEY_UP),
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KEY(1, 0, KEY_F3),
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KEY(1, 1, KEY_F4),
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KEY(1, 2, KEY_RIGHT),
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KEY(2, 0, KEY_F1),
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KEY(2, 1, KEY_F5),
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KEY(2, 2, KEY_DOWN),
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KEY(3, 0, KEY_F6),
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KEY(3, 1, KEY_ENTER),
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KEY(3, 2, KEY_LEFT),
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};
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static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
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.matrix_key_rows = 4,
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.matrix_key_cols = 3,
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.matrix_key_map = palmld_matrix_keys,
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.matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys),
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.debounce_interval = 30,
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};
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/******************************************************************************
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* GPIO keys
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******************************************************************************/
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static struct gpio_keys_button palmld_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
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{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
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{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
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};
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static struct gpio_keys_platform_data palmld_pxa_keys_data = {
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.buttons = palmld_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
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};
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static struct platform_device palmld_pxa_keys = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &palmld_pxa_keys_data,
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},
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};
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/******************************************************************************
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* Backlight
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******************************************************************************/
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static int palmld_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
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if (ret)
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goto err;
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ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
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if (ret)
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goto err2;
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ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
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if (ret)
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goto err3;
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return 0;
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err3:
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gpio_free(GPIO_NR_PALMLD_LCD_POWER);
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err2:
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gpio_free(GPIO_NR_PALMLD_BL_POWER);
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err:
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return ret;
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}
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static int palmld_backlight_notify(int brightness)
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{
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gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
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gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
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return brightness;
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}
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static void palmld_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMLD_BL_POWER);
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gpio_free(GPIO_NR_PALMLD_LCD_POWER);
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}
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static struct platform_pwm_backlight_data palmld_backlight_data = {
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.pwm_id = 0,
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.max_brightness = PALMLD_MAX_INTENSITY,
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.dft_brightness = PALMLD_MAX_INTENSITY,
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.pwm_period_ns = PALMLD_PERIOD_NS,
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.init = palmld_backlight_init,
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.notify = palmld_backlight_notify,
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.exit = palmld_backlight_exit,
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};
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static struct platform_device palmld_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &palmld_backlight_data,
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},
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};
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/******************************************************************************
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* IrDA
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******************************************************************************/
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static struct pxaficp_platform_data palmld_ficp_platform_data = {
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.gpio_pwdown = GPIO_NR_PALMLD_IR_DISABLE,
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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};
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/******************************************************************************
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* LEDs
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******************************************************************************/
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struct gpio_led gpio_leds[] = {
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{
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.name = "palmld:green:led",
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.default_trigger = "none",
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.gpio = GPIO_NR_PALMLD_LED_GREEN,
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}, {
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.name = "palmld:amber:led",
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.default_trigger = "none",
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.gpio = GPIO_NR_PALMLD_LED_AMBER,
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},
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};
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static struct gpio_led_platform_data gpio_led_info = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device palmld_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_led_info,
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}
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};
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/******************************************************************************
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* Power supply
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******************************************************************************/
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static int power_supply_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
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if (ret)
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goto err1;
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ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
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if (ret)
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goto err2;
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ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
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if (ret)
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goto err3;
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return 0;
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err3:
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gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
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err2:
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gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
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err1:
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return ret;
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}
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static int palmld_is_ac_online(void)
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{
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return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
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}
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|
||
|
|
static int palmld_is_usb_online(void)
|
||
|
|
{
|
||
|
|
return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void power_supply_exit(struct device *dev)
|
||
|
|
{
|
||
|
|
gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
|
||
|
|
gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
|
||
|
|
}
|
||
|
|
|
||
|
|
static char *palmld_supplicants[] = {
|
||
|
|
"main-battery",
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pda_power_pdata power_supply_info = {
|
||
|
|
.init = power_supply_init,
|
||
|
|
.is_ac_online = palmld_is_ac_online,
|
||
|
|
.is_usb_online = palmld_is_usb_online,
|
||
|
|
.exit = power_supply_exit,
|
||
|
|
.supplied_to = palmld_supplicants,
|
||
|
|
.num_supplicants = ARRAY_SIZE(palmld_supplicants),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device power_supply = {
|
||
|
|
.name = "pda-power",
|
||
|
|
.id = -1,
|
||
|
|
.dev = {
|
||
|
|
.platform_data = &power_supply_info,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* WM97xx battery
|
||
|
|
******************************************************************************/
|
||
|
|
static struct wm97xx_batt_info wm97xx_batt_pdata = {
|
||
|
|
.batt_aux = WM97XX_AUX_ID3,
|
||
|
|
.temp_aux = WM97XX_AUX_ID2,
|
||
|
|
.charge_gpio = -1,
|
||
|
|
.max_voltage = PALMLD_BAT_MAX_VOLTAGE,
|
||
|
|
.min_voltage = PALMLD_BAT_MIN_VOLTAGE,
|
||
|
|
.batt_mult = 1000,
|
||
|
|
.batt_div = 414,
|
||
|
|
.temp_mult = 1,
|
||
|
|
.temp_div = 1,
|
||
|
|
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
|
||
|
|
.batt_name = "main-batt",
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* aSoC audio
|
||
|
|
******************************************************************************/
|
||
|
|
static struct palm27x_asoc_info palmld_asoc_pdata = {
|
||
|
|
.jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
|
||
|
|
};
|
||
|
|
|
||
|
|
static pxa2xx_audio_ops_t palmld_ac97_pdata = {
|
||
|
|
.reset_gpio = 95,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device palmld_asoc = {
|
||
|
|
.name = "palm27x-asoc",
|
||
|
|
.id = -1,
|
||
|
|
.dev = {
|
||
|
|
.platform_data = &palmld_asoc_pdata,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* HDD
|
||
|
|
******************************************************************************/
|
||
|
|
static struct platform_device palmld_hdd = {
|
||
|
|
.name = "pata_palmld",
|
||
|
|
.id = -1,
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Framebuffer
|
||
|
|
******************************************************************************/
|
||
|
|
static struct pxafb_mode_info palmld_lcd_modes[] = {
|
||
|
|
{
|
||
|
|
.pixclock = 57692,
|
||
|
|
.xres = 320,
|
||
|
|
.yres = 480,
|
||
|
|
.bpp = 16,
|
||
|
|
|
||
|
|
.left_margin = 32,
|
||
|
|
.right_margin = 1,
|
||
|
|
.upper_margin = 7,
|
||
|
|
.lower_margin = 1,
|
||
|
|
|
||
|
|
.hsync_len = 4,
|
||
|
|
.vsync_len = 1,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pxafb_mach_info palmld_lcd_screen = {
|
||
|
|
.modes = palmld_lcd_modes,
|
||
|
|
.num_modes = ARRAY_SIZE(palmld_lcd_modes),
|
||
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
||
|
|
};
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Power management - standby
|
||
|
|
******************************************************************************/
|
||
|
|
static void __init palmld_pm_init(void)
|
||
|
|
{
|
||
|
|
static u32 resume[] = {
|
||
|
|
0xe3a00101, /* mov r0, #0x40000000 */
|
||
|
|
0xe380060f, /* orr r0, r0, #0x00f00000 */
|
||
|
|
0xe590f008, /* ldr pc, [r0, #0x08] */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* copy the bootloader */
|
||
|
|
memcpy(phys_to_virt(PALMLD_STR_BASE), resume, sizeof(resume));
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Machine init
|
||
|
|
******************************************************************************/
|
||
|
|
static struct platform_device *devices[] __initdata = {
|
||
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
||
|
|
&palmld_pxa_keys,
|
||
|
|
#endif
|
||
|
|
&palmld_backlight,
|
||
|
|
&palmld_leds,
|
||
|
|
&power_supply,
|
||
|
|
&palmld_asoc,
|
||
|
|
&palmld_hdd,
|
||
|
|
&palmld_flash,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct map_desc palmld_io_desc[] __initdata = {
|
||
|
|
{
|
||
|
|
.virtual = PALMLD_IDE_VIRT,
|
||
|
|
.pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
|
||
|
|
.length = PALMLD_IDE_SIZE,
|
||
|
|
.type = MT_DEVICE
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.virtual = PALMLD_USB_VIRT,
|
||
|
|
.pfn = __phys_to_pfn(PALMLD_USB_PHYS),
|
||
|
|
.length = PALMLD_USB_SIZE,
|
||
|
|
.type = MT_DEVICE
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init palmld_map_io(void)
|
||
|
|
{
|
||
|
|
pxa_map_io();
|
||
|
|
iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __init palmld_init(void)
|
||
|
|
{
|
||
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
|
||
|
|
|
||
|
|
palmld_pm_init();
|
||
|
|
set_pxa_fb_info(&palmld_lcd_screen);
|
||
|
|
pxa_set_mci_info(&palmld_mci_platform_data);
|
||
|
|
pxa_set_ac97_info(&palmld_ac97_pdata);
|
||
|
|
pxa_set_ficp_info(&palmld_ficp_platform_data);
|
||
|
|
pxa_set_keypad_info(&palmld_keypad_platform_data);
|
||
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
||
|
|
|
||
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
||
|
|
}
|
||
|
|
|
||
|
|
MACHINE_START(PALMLD, "Palm LifeDrive")
|
||
|
|
.phys_io = PALMLD_PHYS_IO_START,
|
||
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||
|
|
.boot_params = 0xa0000100,
|
||
|
|
.map_io = palmld_map_io,
|
||
|
|
.init_irq = pxa27x_init_irq,
|
||
|
|
.timer = &pxa_timer,
|
||
|
|
.init_machine = palmld_init
|
||
|
|
MACHINE_END
|