2009-03-23 17:29:29 -06:00
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/*
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* Hardware definitions for Palm Tungsten|E2
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*
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* Author:
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* Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
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*
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* Rewrite for mainline:
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* Marek Vasut <marek.vasut@gmail.com>
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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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2009-03-24 14:23:39 -06:00
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#include <linux/pda_power.h>
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2009-03-23 17:29:29 -06:00
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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2009-03-24 14:23:39 -06:00
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#include <linux/wm97xx_batt.h>
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#include <linux/power_supply.h>
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2009-03-23 17:29:29 -06:00
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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/audio.h>
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#include <mach/palmte2.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/mfp-pxa25x.h>
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2009-03-24 14:23:39 -06:00
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#include <mach/irda.h>
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#include <mach/udc.h>
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2009-03-23 17:29:29 -06:00
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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 palmte2_pin_config[] __initdata = {
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/* MMC */
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GPIO6_MMC_CLK,
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GPIO8_MMC_CS0,
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GPIO10_GPIO, /* SD detect */
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GPIO55_GPIO, /* SD power */
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GPIO51_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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/* PWM */
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GPIO16_PWM0_OUT,
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2009-03-24 14:23:39 -06:00
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/* USB */
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GPIO15_GPIO, /* usb detect */
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GPIO53_GPIO, /* usb power */
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/* IrDA */
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GPIO48_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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2009-03-23 17:29:29 -06:00
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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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2009-03-24 14:23:39 -06:00
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GPIO77_LCD_BIAS,
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2009-03-23 17:29:29 -06:00
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/* GPIO KEYS */
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GPIO5_GPIO, /* notes */
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GPIO7_GPIO, /* tasks */
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GPIO11_GPIO, /* calendar */
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GPIO13_GPIO, /* contacts */
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GPIO14_GPIO, /* center */
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GPIO19_GPIO, /* left */
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GPIO20_GPIO, /* right */
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GPIO21_GPIO, /* down */
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GPIO22_GPIO, /* up */
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/* MISC */
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GPIO1_RST, /* reset */
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2009-03-24 14:23:39 -06:00
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GPIO4_GPIO, /* Hotsync button */
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GPIO9_GPIO, /* power detect */
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GPIO37_GPIO, /* LCD power */
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GPIO56_GPIO, /* Backlight power */
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2009-03-23 17:29:29 -06:00
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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 int palmte2_mci_init(struct device *dev,
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irq_handler_t palmte2_detect_int, void *data)
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{
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int err = 0;
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/* Setup an interrupt for detecting card insert/remove events */
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err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ");
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if (err)
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goto err;
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err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N);
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if (err)
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goto err2;
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err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N),
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palmte2_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
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IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
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"SD/MMC card detect", data);
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if (err) {
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printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
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__func__);
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goto err2;
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}
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err = gpio_request(GPIO_NR_PALMTE2_SD_POWER, "SD_POWER");
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if (err)
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goto err3;
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err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0);
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if (err)
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goto err4;
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err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY");
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if (err)
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goto err4;
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err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY);
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if (err)
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goto err5;
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printk(KERN_DEBUG "%s: irq registered\n", __func__);
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return 0;
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err5:
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gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
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err4:
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gpio_free(GPIO_NR_PALMTE2_SD_POWER);
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err3:
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free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
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err2:
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gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
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err:
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return err;
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}
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static void palmte2_mci_exit(struct device *dev, void *data)
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{
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gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
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gpio_free(GPIO_NR_PALMTE2_SD_POWER);
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free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
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gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
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}
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static void palmte2_mci_power(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data *p_d = dev->platform_data;
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gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd));
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}
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static int palmte2_mci_get_ro(struct device *dev)
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{
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return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY);
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}
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static struct pxamci_platform_data palmte2_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.setpower = palmte2_mci_power,
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.get_ro = palmte2_mci_get_ro,
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.init = palmte2_mci_init,
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.exit = palmte2_mci_exit,
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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 palmte2_pxa_buttons[] = {
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{KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" },
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{KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" },
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{KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" },
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{KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" },
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{KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" },
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{KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" },
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{KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" },
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{KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" },
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{KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" },
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};
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static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
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.buttons = palmte2_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmte2_pxa_buttons),
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};
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static struct platform_device palmte2_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 = &palmte2_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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2009-03-24 14:23:39 -06:00
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static int palmte2_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMTE2_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_PALMTE2_BL_POWER, 0);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMTE2_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_PALMTE2_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_PALMTE2_LCD_POWER);
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err2:
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gpio_free(GPIO_NR_PALMTE2_BL_POWER);
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err:
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return ret;
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}
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static int palmte2_backlight_notify(int brightness)
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{
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gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
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gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
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return brightness;
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}
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static void palmte2_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMTE2_BL_POWER);
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gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
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}
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2009-03-23 17:29:29 -06:00
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static struct platform_pwm_backlight_data palmte2_backlight_data = {
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.pwm_id = 0,
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.max_brightness = PALMTE2_MAX_INTENSITY,
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.dft_brightness = PALMTE2_MAX_INTENSITY,
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.pwm_period_ns = PALMTE2_PERIOD_NS,
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2009-03-24 14:23:39 -06:00
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.init = palmte2_backlight_init,
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.notify = palmte2_backlight_notify,
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.exit = palmte2_backlight_exit,
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2009-03-23 17:29:29 -06:00
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};
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static struct platform_device palmte2_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa25x_device_pwm0.dev,
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.platform_data = &palmte2_backlight_data,
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},
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};
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2009-03-24 14:23:39 -06:00
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/******************************************************************************
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* IrDA
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******************************************************************************/
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static int palmte2_irda_startup(struct device *dev)
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{
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int err;
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err = gpio_request(GPIO_NR_PALMTE2_IR_DISABLE, "IR DISABLE");
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if (err)
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goto err;
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err = gpio_direction_output(GPIO_NR_PALMTE2_IR_DISABLE, 1);
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if (err)
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gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
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err:
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return err;
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}
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static void palmte2_irda_shutdown(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
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}
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static void palmte2_irda_transceiver_mode(struct device *dev, int mode)
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{
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gpio_set_value(GPIO_NR_PALMTE2_IR_DISABLE, mode & IR_OFF);
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pxa2xx_transceiver_mode(dev, mode);
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}
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static struct pxaficp_platform_data palmte2_ficp_platform_data = {
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.startup = palmte2_irda_startup,
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.shutdown = palmte2_irda_shutdown,
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
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.transceiver_mode = palmte2_irda_transceiver_mode,
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};
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/******************************************************************************
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* UDC
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******************************************************************************/
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static struct pxa2xx_udc_mach_info palmte2_udc_info __initdata = {
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.gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N,
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.gpio_vbus_inverted = 1,
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.gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP,
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.gpio_pullup_inverted = 0,
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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_PALMTE2_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_PALMTE2_POWER_DETECT);
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if (ret)
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goto err2;
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return 0;
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err2:
|
|
|
|
gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
|
|
err1:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int palmte2_is_ac_online(void)
|
|
|
|
{
|
|
|
|
return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void power_supply_exit(struct device *dev)
|
|
|
|
{
|
|
|
|
gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *palmte2_supplicants[] = {
|
|
|
|
"main-battery",
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct pda_power_pdata power_supply_info = {
|
|
|
|
.init = power_supply_init,
|
|
|
|
.is_ac_online = palmte2_is_ac_online,
|
|
|
|
.exit = power_supply_exit,
|
|
|
|
.supplied_to = palmte2_supplicants,
|
|
|
|
.num_supplicants = ARRAY_SIZE(palmte2_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 = PALMTE2_BAT_MAX_VOLTAGE,
|
|
|
|
.min_voltage = PALMTE2_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",
|
|
|
|
};
|
|
|
|
|
2009-03-23 17:29:29 -06:00
|
|
|
/******************************************************************************
|
|
|
|
* Framebuffer
|
|
|
|
******************************************************************************/
|
|
|
|
static struct pxafb_mode_info palmte2_lcd_modes[] = {
|
|
|
|
{
|
|
|
|
.pixclock = 77757,
|
|
|
|
.xres = 320,
|
|
|
|
.yres = 320,
|
|
|
|
.bpp = 16,
|
|
|
|
|
|
|
|
.left_margin = 28,
|
|
|
|
.right_margin = 7,
|
|
|
|
.upper_margin = 7,
|
|
|
|
.lower_margin = 5,
|
|
|
|
|
|
|
|
.hsync_len = 4,
|
|
|
|
.vsync_len = 1,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct pxafb_mach_info palmte2_lcd_screen = {
|
|
|
|
.modes = palmte2_lcd_modes,
|
|
|
|
.num_modes = ARRAY_SIZE(palmte2_lcd_modes),
|
|
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
|
|
};
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* Machine init
|
|
|
|
******************************************************************************/
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
|
|
&palmte2_pxa_keys,
|
|
|
|
#endif
|
|
|
|
&palmte2_backlight,
|
2009-03-24 14:23:39 -06:00
|
|
|
&power_supply,
|
2009-03-23 17:29:29 -06:00
|
|
|
};
|
|
|
|
|
2009-03-24 14:23:39 -06:00
|
|
|
/* setup udc GPIOs initial state */
|
|
|
|
static void __init palmte2_udc_init(void)
|
|
|
|
{
|
|
|
|
if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
|
|
|
|
gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
|
|
|
|
gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-03-23 17:29:29 -06:00
|
|
|
static void __init palmte2_init(void)
|
|
|
|
{
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
|
|
|
|
|
|
|
|
set_pxa_fb_info(&palmte2_lcd_screen);
|
|
|
|
pxa_set_mci_info(&palmte2_mci_platform_data);
|
2009-03-24 14:23:39 -06:00
|
|
|
palmte2_udc_init();
|
|
|
|
pxa_set_udc_info(&palmte2_udc_info);
|
2009-03-23 17:29:29 -06:00
|
|
|
pxa_set_ac97_info(NULL);
|
2009-03-24 14:23:39 -06:00
|
|
|
pxa_set_ficp_info(&palmte2_ficp_platform_data);
|
|
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
2009-03-23 17:29:29 -06:00
|
|
|
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
}
|
|
|
|
|
|
|
|
MACHINE_START(PALMTE2, "Palm Tungsten|E2")
|
|
|
|
.phys_io = 0x40000000,
|
|
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
|
|
.boot_params = 0xa0000100,
|
|
|
|
.map_io = pxa_map_io,
|
|
|
|
.init_irq = pxa25x_init_irq,
|
|
|
|
.timer = &pxa_timer,
|
|
|
|
.init_machine = palmte2_init
|
|
|
|
MACHINE_END
|