2008-08-17 08:34:30 +00:00
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/*
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* Handles the Mitac Mio A701 Board
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*
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* Copyright (C) 2008 Robert Jarzmik
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/input.h>
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#include <linux/delay.h>
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#include <linux/gpio_keys.h>
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#include <linux/pwm_backlight.h>
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#include <linux/rtc.h>
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#include <linux/leds.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/pda_power.h>
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#include <linux/power_supply.h>
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2008-11-15 15:09:59 +00:00
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#include <linux/wm97xx_batt.h>
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2008-08-17 08:34:30 +00:00
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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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2009-01-02 15:17:22 +00:00
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#include <mach/pxa27x.h>
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2009-01-20 03:04:16 +00:00
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#include <mach/regs-rtc.h>
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2008-08-17 08:34:30 +00:00
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#include <mach/pxa27x_keypad.h>
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#include <mach/pxafb.h>
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#include <mach/mmc.h>
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#include <mach/udc.h>
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#include <mach/pxa27x-udc.h>
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2008-11-15 15:09:54 +00:00
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#include <mach/i2c.h>
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#include <mach/camera.h>
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#include <media/soc_camera.h>
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2008-08-17 08:34:30 +00:00
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#include <mach/mioa701.h>
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#include "generic.h"
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#include "devices.h"
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static unsigned long mioa701_pin_config[] = {
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/* Mio global */
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2008-11-18 19:23:32 +00:00
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MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
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2008-08-17 08:34:30 +00:00
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MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
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MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
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MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
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2008-11-18 19:23:32 +00:00
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MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
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2008-08-17 08:34:30 +00:00
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/* Backlight PWM 0 */
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GPIO16_PWM0_OUT,
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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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MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
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MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
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MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
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/* USB */
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2008-11-18 19:23:32 +00:00
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MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
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2008-08-17 08:34:30 +00:00
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MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
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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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2008-11-15 15:09:54 +00:00
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/* QCI */
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GPIO12_CIF_DD_7,
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GPIO17_CIF_DD_6,
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GPIO50_CIF_DD_3,
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GPIO51_CIF_DD_2,
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GPIO52_CIF_DD_4,
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GPIO53_CIF_MCLK,
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GPIO54_CIF_PCLK,
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GPIO55_CIF_DD_1,
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GPIO81_CIF_DD_0,
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GPIO82_CIF_DD_5,
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GPIO84_CIF_FV,
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GPIO85_CIF_LV,
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2008-08-17 08:34:30 +00:00
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/* Bluetooth */
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2008-11-18 19:23:32 +00:00
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MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
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2008-08-17 08:34:30 +00:00
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GPIO44_BTUART_CTS,
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GPIO42_BTUART_RXD,
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GPIO45_BTUART_RTS,
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GPIO43_BTUART_TXD,
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MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
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2008-11-18 19:23:32 +00:00
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MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
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2008-08-17 08:34:30 +00:00
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/* GPS */
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MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
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MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
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MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
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MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
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MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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/* GSM */
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MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
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MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
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MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
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MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
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GPIO34_FFUART_RXD,
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GPIO35_FFUART_CTS,
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GPIO36_FFUART_DCD,
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GPIO37_FFUART_DSR,
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GPIO39_FFUART_TXD,
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GPIO40_FFUART_DTR,
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GPIO41_FFUART_RTS,
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/* Sound */
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GPIO89_AC97_SYSCLK,
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MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
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/* Leds */
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MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
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MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
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/* Keyboard */
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MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
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MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
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MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
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GPIO100_KP_MKIN_0,
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GPIO101_KP_MKIN_1,
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GPIO102_KP_MKIN_2,
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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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2008-11-15 15:09:54 +00:00
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/* I2C */
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GPIO117_I2C_SCL,
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GPIO118_I2C_SDA,
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2008-08-17 08:34:30 +00:00
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/* Unknown */
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MFP_CFG_IN(GPIO20, AF0),
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MFP_CFG_IN(GPIO21, AF0),
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MFP_CFG_IN(GPIO33, AF0),
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MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
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MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
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MFP_CFG_IN(GPIO96, AF0),
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MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
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};
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#define MIO_GPIO_IN(num, _desc) \
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{ .gpio = (num), .dir = 0, .desc = (_desc) }
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#define MIO_GPIO_OUT(num, _init, _desc) \
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{ .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
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struct gpio_ress {
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unsigned gpio : 8;
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unsigned dir : 1;
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unsigned init : 1;
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char *desc;
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};
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static int mio_gpio_request(struct gpio_ress *gpios, int size)
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{
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int i, rc = 0;
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int gpio;
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int dir;
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for (i = 0; (!rc) && (i < size); i++) {
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gpio = gpios[i].gpio;
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dir = gpios[i].dir;
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rc = gpio_request(gpio, gpios[i].desc);
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if (rc) {
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printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
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gpio, gpios[i].desc, rc);
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continue;
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}
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if (dir)
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gpio_direction_output(gpio, gpios[i].init);
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else
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gpio_direction_input(gpio);
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}
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while ((rc) && (--i >= 0))
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gpio_free(gpios[i].gpio);
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return rc;
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}
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static void mio_gpio_free(struct gpio_ress *gpios, int size)
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{
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int i;
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for (i = 0; i < size; i++)
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gpio_free(gpios[i].gpio);
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}
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/* LCD Screen and Backlight */
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static struct platform_pwm_backlight_data mioa701_backlight_data = {
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.pwm_id = 0,
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.max_brightness = 100,
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.dft_brightness = 50,
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.pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
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};
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/*
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* LTM0305A776C LCD panel timings
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*
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* see:
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* - the LTM0305A776C datasheet,
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* - and the PXA27x Programmers' manual
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*/
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static struct pxafb_mode_info mioa701_ltm0305a776c = {
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.pixclock = 220000, /* CLK=4.545 MHz */
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.xres = 240,
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.yres = 320,
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.bpp = 16,
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.hsync_len = 4,
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.vsync_len = 2,
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.left_margin = 6,
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.right_margin = 4,
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.upper_margin = 5,
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.lower_margin = 3,
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};
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static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
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{
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gpio_set_value(GPIO87_LCD_POWER, on);
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}
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static struct pxafb_mach_info mioa701_pxafb_info = {
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.modes = &mioa701_ltm0305a776c,
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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.pxafb_lcd_power = mioa701_lcd_power,
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};
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/*
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* Keyboard configuration
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*/
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static unsigned int mioa701_matrix_keys[] = {
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KEY(0, 0, KEY_UP),
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KEY(0, 1, KEY_RIGHT),
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KEY(0, 2, KEY_MEDIA),
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KEY(1, 0, KEY_DOWN),
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KEY(1, 1, KEY_ENTER),
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KEY(1, 2, KEY_CONNECT), /* GPS key */
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KEY(2, 0, KEY_LEFT),
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KEY(2, 1, KEY_PHONE), /* Phone Green key */
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KEY(2, 2, KEY_CAMERA) /* Camera key */
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};
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static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
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.matrix_key_rows = 3,
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.matrix_key_cols = 3,
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.matrix_key_map = mioa701_matrix_keys,
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.matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
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};
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/*
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* GPIO Key Configuration
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*/
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#define MIO_KEY(key, _gpio, _desc, _wakeup) \
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{ .code = (key), .gpio = (_gpio), .active_low = 0, \
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.desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
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static struct gpio_keys_button mioa701_button_table[] = {
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MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
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MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
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MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
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MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
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};
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static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
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.buttons = mioa701_button_table,
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.nbuttons = ARRAY_SIZE(mioa701_button_table),
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};
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/*
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* Leds and vibrator
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*/
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#define ONE_LED(_gpio, _name) \
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{ .gpio = (_gpio), .name = (_name), .active_low = true }
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static struct gpio_led gpio_leds[] = {
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ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
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ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
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ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
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|
|
ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
|
|
|
|
ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct gpio_led_platform_data gpio_led_info = {
|
|
|
|
.leds = gpio_leds,
|
|
|
|
.num_leds = ARRAY_SIZE(gpio_leds),
|
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* GSM Sagem XS200 chip
|
|
|
|
*
|
|
|
|
* GSM handling was purged from kernel. For history, this is the way to go :
|
|
|
|
* - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
|
|
|
|
* GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
|
|
|
|
* - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
|
|
|
|
* GPIO24_GSM_MOD_RESET_CMD = 0
|
|
|
|
* - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
|
|
|
|
* GPIO88_GSM_nMOD_ON_CMD = 1
|
|
|
|
* - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
|
|
|
|
* GPIO90_GSM_nMOD_OFF_CMD = 1
|
|
|
|
*/
|
|
|
|
static int is_gsm_on(void)
|
|
|
|
{
|
|
|
|
int is_on;
|
|
|
|
|
|
|
|
is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
|
|
|
|
return is_on;
|
|
|
|
}
|
|
|
|
|
|
|
|
irqreturn_t gsm_on_irq(int irq, void *p)
|
|
|
|
{
|
|
|
|
printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
|
|
|
|
is_gsm_on() ? "on" : "off");
|
|
|
|
return IRQ_HANDLED;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct gpio_ress gsm_gpios[] = {
|
|
|
|
MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
|
|
|
|
MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init gsm_init(void)
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
|
|
|
|
if (rc)
|
|
|
|
goto err_gpio;
|
|
|
|
rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
|
|
|
|
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
|
|
|
|
"GSM XS200 Power Irq", NULL);
|
|
|
|
if (rc)
|
|
|
|
goto err_irq;
|
|
|
|
|
|
|
|
gpio_set_wake(GPIO113_GSM_EVENT, 1);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_irq:
|
|
|
|
printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
|
|
|
|
mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
|
|
|
|
err_gpio:
|
|
|
|
printk(KERN_ERR "Mioa701: gsm not available\n");
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void gsm_exit(void)
|
|
|
|
{
|
|
|
|
free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
|
|
|
|
mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Bluetooth BRF6150 chip
|
|
|
|
*
|
|
|
|
* BT handling was purged from kernel. For history, this is the way to go :
|
|
|
|
* - turn on : GPIO83_BT_ON = 1
|
|
|
|
* - turn off : GPIO83_BT_ON = 0
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* GPS Sirf Star III chip
|
|
|
|
*
|
|
|
|
* GPS handling was purged from kernel. For history, this is the way to go :
|
|
|
|
* - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
|
|
|
|
* GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
|
|
|
|
* - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
|
|
|
|
* - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* USB UDC
|
|
|
|
*/
|
|
|
|
static void udc_power_command(int cmd)
|
|
|
|
{
|
|
|
|
switch (cmd) {
|
|
|
|
case PXA2XX_UDC_CMD_DISCONNECT:
|
|
|
|
gpio_set_value(GPIO22_USB_ENABLE, 0);
|
|
|
|
break;
|
|
|
|
case PXA2XX_UDC_CMD_CONNECT:
|
|
|
|
gpio_set_value(GPIO22_USB_ENABLE, 1);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
printk(KERN_INFO "udc_control: unknown command (0x%x)!\n", cmd);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int is_usb_connected(void)
|
|
|
|
{
|
2008-11-18 19:23:32 +00:00
|
|
|
return !gpio_get_value(GPIO13_nUSB_DETECT);
|
2008-08-17 08:34:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct pxa2xx_udc_mach_info mioa701_udc_info = {
|
|
|
|
.udc_is_connected = is_usb_connected,
|
|
|
|
.udc_command = udc_power_command,
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gpio_ress udc_gpios[] = {
|
|
|
|
MIO_GPIO_OUT(GPIO22_USB_ENABLE, 0, "USB Vbus enable")
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init udc_init(void)
|
|
|
|
{
|
|
|
|
pxa_set_udc_info(&mioa701_udc_info);
|
|
|
|
return mio_gpio_request(ARRAY_AND_SIZE(udc_gpios));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void udc_exit(void)
|
|
|
|
{
|
|
|
|
mio_gpio_free(ARRAY_AND_SIZE(udc_gpios));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* SDIO/MMC Card controller
|
|
|
|
*/
|
|
|
|
static void mci_setpower(struct device *dev, unsigned int vdd)
|
|
|
|
{
|
|
|
|
struct pxamci_platform_data *p_d = dev->platform_data;
|
|
|
|
|
|
|
|
if ((1 << vdd) & p_d->ocr_mask)
|
|
|
|
gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */
|
|
|
|
else
|
|
|
|
gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mci_get_ro(struct device *dev)
|
|
|
|
{
|
|
|
|
return gpio_get_value(GPIO78_SDIO_RO);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct gpio_ress mci_gpios[] = {
|
|
|
|
MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"),
|
|
|
|
MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"),
|
|
|
|
MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable")
|
|
|
|
};
|
|
|
|
|
|
|
|
static void mci_exit(struct device *dev, void *data)
|
|
|
|
{
|
|
|
|
mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
|
|
|
|
free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct pxamci_platform_data mioa701_mci_info;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* The card detect interrupt isn't debounced so we delay it by 250ms
|
|
|
|
* to give the card a chance to fully insert/eject.
|
|
|
|
*/
|
|
|
|
static int mci_init(struct device *dev, irq_handler_t detect_int, void *data)
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
int irq = gpio_to_irq(GPIO15_SDIO_INSERT);
|
|
|
|
|
|
|
|
rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios));
|
|
|
|
if (rc)
|
|
|
|
goto err_gpio;
|
|
|
|
/* enable RE/FE interrupt on card insertion and removal */
|
|
|
|
rc = request_irq(irq, detect_int,
|
|
|
|
IRQF_DISABLED | IRQF_TRIGGER_RISING |
|
|
|
|
IRQF_TRIGGER_FALLING,
|
|
|
|
"MMC card detect", data);
|
|
|
|
if (rc)
|
|
|
|
goto err_irq;
|
|
|
|
|
|
|
|
mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_irq:
|
|
|
|
dev_err(dev, "mioa701_mci_init: MMC/SD:"
|
|
|
|
" can't request MMC card detect IRQ\n");
|
|
|
|
mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
|
|
|
|
err_gpio:
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct pxamci_platform_data mioa701_mci_info = {
|
|
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
|
|
.init = mci_init,
|
|
|
|
.get_ro = mci_get_ro,
|
|
|
|
.setpower = mci_setpower,
|
|
|
|
.exit = mci_exit,
|
|
|
|
};
|
|
|
|
|
|
|
|
/* FlashRAM */
|
|
|
|
static struct resource strataflash_resource = {
|
|
|
|
.start = PXA_CS0_PHYS,
|
|
|
|
.end = PXA_CS0_PHYS + SZ_64M - 1,
|
|
|
|
.flags = IORESOURCE_MEM,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct physmap_flash_data strataflash_data = {
|
|
|
|
.width = 2,
|
|
|
|
/* .set_vpp = mioa701_set_vpp, */
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_device strataflash = {
|
|
|
|
.name = "physmap-flash",
|
|
|
|
.id = -1,
|
|
|
|
.resource = &strataflash_resource,
|
|
|
|
.num_resources = 1,
|
|
|
|
.dev = {
|
|
|
|
.platform_data = &strataflash_data,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Suspend/Resume bootstrap management
|
|
|
|
*
|
|
|
|
* MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
|
|
|
|
* this sequence is as follows :
|
|
|
|
* - disables interrupts
|
|
|
|
* - initialize SDRAM (self refresh RAM into active RAM)
|
|
|
|
* - initialize GPIOs (depends on value at 0xa020b020)
|
|
|
|
* - initialize coprossessors
|
|
|
|
* - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
|
|
|
|
* - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
|
|
|
|
* - else do a resume, ie. jump to addr 0xa0100000
|
|
|
|
*/
|
|
|
|
#define RESUME_ENABLE_ADDR 0xa020b000
|
|
|
|
#define RESUME_ENABLE_VAL 0x0f0f0f0f
|
|
|
|
#define RESUME_BT_ADDR 0xa020b020
|
|
|
|
#define RESUME_UNKNOWN_ADDR 0xa020b024
|
|
|
|
#define RESUME_VECTOR_ADDR 0xa0100000
|
|
|
|
#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
|
|
|
|
|
|
|
|
static u32 *save_buffer;
|
|
|
|
|
|
|
|
static void install_bootstrap(void)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
|
|
|
|
u32 *src = &mioa701_bootstrap;
|
|
|
|
|
|
|
|
for (i = 0; i < BOOTSTRAP_WORDS; i++)
|
|
|
|
rom_bootstrap[i] = src[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
|
|
|
|
{
|
|
|
|
int i = 0, is_bt_on;
|
|
|
|
u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
|
|
|
|
u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
|
|
|
|
u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
|
|
|
|
u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
|
|
|
|
|
|
|
|
/* Devices prepare suspend */
|
2008-11-17 19:29:04 +00:00
|
|
|
is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
|
2008-08-17 08:34:30 +00:00
|
|
|
pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
|
|
|
|
is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
|
|
|
|
|
|
|
|
for (i = 0; i < BOOTSTRAP_WORDS; i++)
|
|
|
|
save_buffer[i] = mem_resume_vector[i];
|
|
|
|
save_buffer[i++] = *mem_resume_enabler;
|
|
|
|
save_buffer[i++] = *mem_resume_bt;
|
|
|
|
save_buffer[i++] = *mem_resume_unknown;
|
|
|
|
|
|
|
|
*mem_resume_enabler = RESUME_ENABLE_VAL;
|
|
|
|
*mem_resume_bt = is_bt_on;
|
|
|
|
|
|
|
|
install_bootstrap();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mioa701_sys_resume(struct sys_device *sysdev)
|
|
|
|
{
|
|
|
|
int i = 0;
|
|
|
|
u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
|
|
|
|
u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
|
|
|
|
u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
|
|
|
|
u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
|
|
|
|
|
|
|
|
for (i = 0; i < BOOTSTRAP_WORDS; i++)
|
|
|
|
mem_resume_vector[i] = save_buffer[i];
|
|
|
|
*mem_resume_enabler = save_buffer[i++];
|
|
|
|
*mem_resume_bt = save_buffer[i++];
|
|
|
|
*mem_resume_unknown = save_buffer[i++];
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct sysdev_class mioa701_sysclass = {
|
|
|
|
.name = "mioa701",
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct sys_device sysdev_bootstrap = {
|
|
|
|
.cls = &mioa701_sysclass,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct sysdev_driver driver_bootstrap = {
|
|
|
|
.suspend = &mioa701_sys_suspend,
|
|
|
|
.resume = &mioa701_sys_resume,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init bootstrap_init(void)
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
|
|
|
|
|
|
|
|
rc = sysdev_class_register(&mioa701_sysclass);
|
|
|
|
if (rc) {
|
|
|
|
printk(KERN_ERR "Failed registering mioa701 sys class\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
rc = sysdev_register(&sysdev_bootstrap);
|
|
|
|
if (rc) {
|
|
|
|
printk(KERN_ERR "Failed registering mioa701 sys device\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
|
|
|
|
if (rc) {
|
|
|
|
printk(KERN_ERR "Failed registering PMU sys driver\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
save_buffer = kmalloc(save_size, GFP_KERNEL);
|
|
|
|
if (!save_buffer)
|
|
|
|
return -ENOMEM;
|
|
|
|
printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
|
|
|
|
save_size);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void bootstrap_exit(void)
|
|
|
|
{
|
|
|
|
kfree(save_buffer);
|
|
|
|
sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
|
|
|
|
sysdev_unregister(&sysdev_bootstrap);
|
|
|
|
sysdev_class_unregister(&mioa701_sysclass);
|
|
|
|
|
|
|
|
printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
|
|
|
|
"resume !!!\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Power Supply
|
|
|
|
*/
|
|
|
|
static char *supplicants[] = {
|
|
|
|
"mioa701_battery"
|
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:59 +00:00
|
|
|
static int is_ac_connected(void)
|
|
|
|
{
|
|
|
|
return gpio_get_value(GPIO96_AC_DETECT);
|
|
|
|
}
|
|
|
|
|
2008-08-17 08:34:30 +00:00
|
|
|
static void mioa701_set_charge(int flags)
|
|
|
|
{
|
2008-11-18 19:23:32 +00:00
|
|
|
gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
|
2008-08-17 08:34:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct pda_power_pdata power_pdata = {
|
2008-11-15 15:09:59 +00:00
|
|
|
.is_ac_online = is_ac_connected,
|
|
|
|
.is_usb_online = is_usb_connected,
|
2008-08-17 08:34:30 +00:00
|
|
|
.set_charge = mioa701_set_charge,
|
|
|
|
.supplied_to = supplicants,
|
|
|
|
.num_supplicants = ARRAY_SIZE(supplicants),
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct resource power_resources[] = {
|
|
|
|
[0] = {
|
|
|
|
.name = "ac",
|
2008-11-15 15:09:59 +00:00
|
|
|
.start = gpio_to_irq(GPIO96_AC_DETECT),
|
|
|
|
.end = gpio_to_irq(GPIO96_AC_DETECT),
|
|
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
|
|
|
|
IORESOURCE_IRQ_LOWEDGE,
|
|
|
|
},
|
|
|
|
[1] = {
|
|
|
|
.name = "usb",
|
2008-11-18 19:23:32 +00:00
|
|
|
.start = gpio_to_irq(GPIO13_nUSB_DETECT),
|
|
|
|
.end = gpio_to_irq(GPIO13_nUSB_DETECT),
|
2008-08-17 08:34:30 +00:00
|
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
|
|
|
|
IORESOURCE_IRQ_LOWEDGE,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_device power_dev = {
|
|
|
|
.name = "pda-power",
|
|
|
|
.id = -1,
|
|
|
|
.resource = power_resources,
|
|
|
|
.num_resources = ARRAY_SIZE(power_resources),
|
|
|
|
.dev = {
|
|
|
|
.platform_data = &power_pdata,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:59 +00:00
|
|
|
static struct wm97xx_batt_info mioa701_battery_data = {
|
|
|
|
.batt_aux = WM97XX_AUX_ID1,
|
|
|
|
.temp_aux = -1,
|
|
|
|
.charge_gpio = -1,
|
|
|
|
.min_voltage = 0xc00,
|
|
|
|
.max_voltage = 0xfc0,
|
|
|
|
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
|
|
|
|
.batt_div = 1,
|
|
|
|
.batt_mult = 1,
|
|
|
|
.batt_name = "mioa701_battery",
|
2008-08-17 08:34:30 +00:00
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:54 +00:00
|
|
|
/*
|
|
|
|
* Camera interface
|
|
|
|
*/
|
|
|
|
struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
|
|
|
|
.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
|
|
|
|
PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
|
|
|
|
.mclk_10khz = 5000,
|
2008-08-17 08:34:30 +00:00
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:54 +00:00
|
|
|
static struct soc_camera_link iclink = {
|
|
|
|
.bus_id = 0, /* Must match id in pxa27x_device_camera in device.c */
|
2008-08-17 08:34:30 +00:00
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:54 +00:00
|
|
|
/* Board I2C devices. */
|
|
|
|
static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
|
|
|
|
{
|
|
|
|
/* Must initialize before the camera(s) */
|
|
|
|
I2C_BOARD_INFO("mt9m111", 0x5d),
|
|
|
|
.platform_data = &iclink,
|
2008-08-17 08:34:30 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2008-11-15 15:09:54 +00:00
|
|
|
struct i2c_pxa_platform_data i2c_pdata = {
|
|
|
|
.fast_mode = 1,
|
|
|
|
};
|
2008-08-17 08:34:30 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Mio global
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Devices */
|
|
|
|
#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
|
|
|
|
static struct platform_device var = { \
|
|
|
|
.name = strname, \
|
|
|
|
.id = -1, \
|
|
|
|
.dev = { \
|
|
|
|
.platform_data = pdata, \
|
|
|
|
.parent = tparent, \
|
|
|
|
}, \
|
|
|
|
};
|
|
|
|
#define MIO_SIMPLE_DEV(var, strname, pdata) \
|
|
|
|
MIO_PARENT_DEV(var, strname, NULL, pdata)
|
|
|
|
|
|
|
|
MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
|
|
|
|
MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
|
|
|
|
&mioa701_backlight_data);
|
|
|
|
MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
|
|
|
|
MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
|
|
|
|
MIO_SIMPLE_DEV(pxa2xx_ac97, "pxa2xx-ac97", NULL)
|
|
|
|
MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL)
|
|
|
|
MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
|
|
|
|
MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
|
|
|
|
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
|
|
&mioa701_gpio_keys,
|
|
|
|
&mioa701_backlight,
|
|
|
|
&mioa701_led,
|
|
|
|
&pxa2xx_pcm,
|
|
|
|
&pxa2xx_ac97,
|
|
|
|
&mio_wm9713_codec,
|
|
|
|
&mioa701_sound,
|
|
|
|
&power_dev,
|
|
|
|
&strataflash,
|
|
|
|
&mioa701_board
|
|
|
|
};
|
|
|
|
|
|
|
|
static void mioa701_machine_exit(void);
|
|
|
|
|
|
|
|
static void mioa701_poweroff(void)
|
|
|
|
{
|
|
|
|
mioa701_machine_exit();
|
2008-11-15 15:09:58 +00:00
|
|
|
arm_machine_restart('s');
|
2008-08-17 08:34:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void mioa701_restart(char c)
|
|
|
|
{
|
|
|
|
mioa701_machine_exit();
|
2008-11-15 15:09:58 +00:00
|
|
|
arm_machine_restart('s');
|
2008-08-17 08:34:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
struct gpio_ress global_gpios[] = {
|
2008-11-18 19:23:32 +00:00
|
|
|
MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
|
2008-08-17 08:34:30 +00:00
|
|
|
MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
|
|
|
|
MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power")
|
|
|
|
};
|
|
|
|
|
|
|
|
static void __init mioa701_machine_init(void)
|
|
|
|
{
|
|
|
|
PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
|
|
|
|
PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
|
|
|
|
RTTR = 32768 - 1; /* Reset crazy WinCE value */
|
|
|
|
UP2OCR = UP2OCR_HXOE;
|
|
|
|
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
|
|
|
|
mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
|
|
|
|
bootstrap_init();
|
|
|
|
set_pxa_fb_info(&mioa701_pxafb_info);
|
|
|
|
pxa_set_mci_info(&mioa701_mci_info);
|
|
|
|
pxa_set_keypad_info(&mioa701_keypad_info);
|
2008-11-15 15:09:59 +00:00
|
|
|
wm97xx_bat_set_pdata(&mioa701_battery_data);
|
2008-08-17 08:34:30 +00:00
|
|
|
udc_init();
|
|
|
|
pm_power_off = mioa701_poweroff;
|
|
|
|
arm_pm_restart = mioa701_restart;
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
gsm_init();
|
2008-11-15 15:09:54 +00:00
|
|
|
|
|
|
|
pxa_set_i2c_info(&i2c_pdata);
|
|
|
|
pxa_set_camera_info(&mioa701_pxacamera_platform_data);
|
|
|
|
i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
|
2008-08-17 08:34:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void mioa701_machine_exit(void)
|
|
|
|
{
|
|
|
|
udc_exit();
|
|
|
|
bootstrap_exit();
|
|
|
|
gsm_exit();
|
|
|
|
}
|
|
|
|
|
|
|
|
MACHINE_START(MIOA701, "MIO A701")
|
|
|
|
.phys_io = 0x40000000,
|
|
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
|
|
.boot_params = 0xa0000100,
|
|
|
|
.map_io = &pxa_map_io,
|
|
|
|
.init_irq = &pxa27x_init_irq,
|
|
|
|
.init_machine = mioa701_machine_init,
|
|
|
|
.timer = &pxa_timer,
|
|
|
|
MACHINE_END
|