forked from Minki/linux
[ARM] 5202/1: pxa: Added Mitac Mio A701 smartphone support.
The Mio A701 support features : - GSM support - Bluetooth support - GPS support - LED/Vibrator support - Suspend/Resume support (very dependant on Mio FlashRam) - Screen/Backlight support - Keys/Keyboard support - USB udc support - MMC/SDIO support - Flash Memory support - Battery/AC plugin support Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Robert Jarzmik
Russell King
parent
b8e6c91c74
commit
eda6f6ecbb
@ -216,6 +216,18 @@ config MACH_MAGICIAN
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select PXA27x
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select IWMMXT
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config MACH_MIOA701
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bool "Mitac Mio A701 Support"
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select PXA27x
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select IWMMXT
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select LEDS_GPIO
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select HAVE_PWM
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select GPIO_SYSFS
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help
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Say Y here if you intend to run this kernel on a
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MIO A701. Currently there is only basic support
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for this PDA.
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config MACH_PCM027
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bool "Phytec phyCORE-PXA270 CPU module (PCM-027)"
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select PXA27x
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@ -37,6 +37,7 @@ obj-$(CONFIG_MACH_PCM990_BASEBOARD) += pcm990-baseboard.o
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obj-$(CONFIG_MACH_TOSA) += tosa.o
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obj-$(CONFIG_MACH_EM_X270) += em-x270.o
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obj-$(CONFIG_MACH_MAGICIAN) += magician.o
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obj-$(CONFIG_MACH_MIOA701) += mioa701.o mioa701_bootresume.o
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obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o eseries_udc.o
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obj-$(CONFIG_MACH_E740) += e740_lcd.o
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obj-$(CONFIG_MACH_E750) += e750_lcd.o
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67
arch/arm/mach-pxa/include/mach/mioa701.h
Normal file
67
arch/arm/mach-pxa/include/mach/mioa701.h
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@ -0,0 +1,67 @@
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#ifndef _MIOA701_H_
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#define _MIOA701_H_
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#define MIO_CFG_IN(pin, af) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\
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(MFP_PIN(pin) | MFP_##af | MFP_DIR_IN))
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#define MIO_CFG_OUT(pin, af, state) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\
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(MFP_PIN(pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state))
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/* Global GPIOs */
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#define GPIO9_CHARGE_nEN 9
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#define GPIO18_POWEROFF 18
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#define GPIO87_LCD_POWER 87
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/* USB */
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#define GPIO13_USB_DETECT 13
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#define GPIO22_USB_ENABLE 22
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/* SDIO bits */
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#define GPIO78_SDIO_RO 78
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#define GPIO15_SDIO_INSERT 15
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#define GPIO91_SDIO_EN 91
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/* Bluetooth */
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#define GPIO83_BT_ON 83
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/* GPS */
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#define GPIO23_GPS_UNKNOWN1 23
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#define GPIO26_GPS_ON 26
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#define GPIO27_GPS_RESET 27
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#define GPIO106_GPS_UNKNOWN2 106
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#define GPIO107_GPS_UNKNOWN3 107
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/* GSM */
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#define GPIO24_GSM_MOD_RESET_CMD 24
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#define GPIO88_GSM_nMOD_ON_CMD 88
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#define GPIO90_GSM_nMOD_OFF_CMD 90
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#define GPIO114_GSM_nMOD_DTE_UART_STATE 114
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#define GPIO25_GSM_MOD_ON_STATE 25
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#define GPIO113_GSM_EVENT 113
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/* SOUND */
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#define GPIO12_HPJACK_INSERT 12
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/* LEDS */
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#define GPIO10_LED_nCharging 10
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#define GPIO97_LED_nBlue 97
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#define GPIO98_LED_nOrange 98
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#define GPIO82_LED_nVibra 82
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#define GPIO115_LED_nKeyboard 115
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/* Keyboard */
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#define GPIO0_KEY_POWER 0
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#define GPIO93_KEY_VOLUME_UP 93
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#define GPIO94_KEY_VOLUME_DOWN 94
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extern struct input_dev *mioa701_evdev;
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extern void mioa701_gpio_lpm_set(unsigned long mfp_pin);
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/* Assembler externals mioa701_bootresume.S */
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extern u32 mioa701_bootstrap;
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extern u32 mioa701_jumpaddr;
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extern u32 mioa701_bootstrap_lg;
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#endif /* _MIOA701_H */
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905
arch/arm/mach-pxa/mioa701.c
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905
arch/arm/mach-pxa/mioa701.c
Normal file
@ -0,0 +1,905 @@
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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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#include <linux/wm97xx.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 <mach/mfp-pxa27x.h>
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#include <mach/pxa27x_keypad.h>
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#include <mach/pxafb.h>
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#include <mach/pxa2xx-regs.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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#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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MIO_CFG_OUT(GPIO9_CHARGE_nEN, AF0, DRIVE_LOW),
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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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/* 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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MIO_CFG_IN(GPIO13_USB_DETECT, AF0),
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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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/* Bluetooth */
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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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/* 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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/* Unknown */
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MFP_CFG_IN(GPIO14, AF0),
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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_OUT(GPIO77, AF0, DRIVE_HIGH),
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MFP_CFG_IN(GPIO80, AF0),
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MFP_CFG_OUT(GPIO86, 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"),
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ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
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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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/*
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* GSM Sagem XS200 chip
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*
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* 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)
|
||||
{
|
||||
return !!gpio_get_value(GPIO13_USB_DETECT);
|
||||
}
|
||||
|
||||
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 */
|
||||
is_bt_on = gpio_get_value(GPIO83_BT_ON);
|
||||
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"
|
||||
};
|
||||
|
||||
static void mioa701_set_charge(int flags)
|
||||
{
|
||||
gpio_set_value(GPIO9_CHARGE_nEN, !flags);
|
||||
}
|
||||
|
||||
static struct pda_power_pdata power_pdata = {
|
||||
.is_ac_online = is_usb_connected,
|
||||
.set_charge = mioa701_set_charge,
|
||||
.supplied_to = supplicants,
|
||||
.num_supplicants = ARRAY_SIZE(supplicants),
|
||||
};
|
||||
|
||||
static struct resource power_resources[] = {
|
||||
[0] = {
|
||||
.name = "ac",
|
||||
.start = gpio_to_irq(GPIO13_USB_DETECT),
|
||||
.end = gpio_to_irq(GPIO13_USB_DETECT),
|
||||
.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,
|
||||
},
|
||||
};
|
||||
|
||||
#if defined(CONFIG_PDA_POWER) && defined(CONFIG_TOUCHSCREEN_WM97XX)
|
||||
static struct wm97xx *battery_wm;
|
||||
|
||||
static enum power_supply_property battery_props[] = {
|
||||
POWER_SUPPLY_PROP_STATUS,
|
||||
POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
|
||||
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
|
||||
POWER_SUPPLY_PROP_VOLTAGE_NOW,
|
||||
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, /* Necessary for apm */
|
||||
};
|
||||
|
||||
static int get_battery_voltage(void)
|
||||
{
|
||||
int adc = -1;
|
||||
|
||||
if (battery_wm)
|
||||
adc = wm97xx_read_aux_adc(battery_wm, WM97XX_AUX_ID1);
|
||||
return adc;
|
||||
}
|
||||
|
||||
static int get_battery_status(struct power_supply *b)
|
||||
{
|
||||
int status;
|
||||
|
||||
if (is_usb_connected())
|
||||
status = POWER_SUPPLY_STATUS_CHARGING;
|
||||
else
|
||||
status = POWER_SUPPLY_STATUS_DISCHARGING;
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static int get_property(struct power_supply *b,
|
||||
enum power_supply_property psp,
|
||||
union power_supply_propval *val)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
switch (psp) {
|
||||
case POWER_SUPPLY_PROP_STATUS:
|
||||
val->intval = get_battery_status(b);
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
|
||||
val->intval = 0xfd0;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
|
||||
val->intval = 0xc00;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
|
||||
val->intval = get_battery_voltage();
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
|
||||
val->intval = 100;
|
||||
break;
|
||||
default:
|
||||
val->intval = -1;
|
||||
rc = -1;
|
||||
}
|
||||
|
||||
return rc;
|
||||
};
|
||||
|
||||
static struct power_supply battery_ps = {
|
||||
.name = "mioa701_battery",
|
||||
.type = POWER_SUPPLY_TYPE_BATTERY,
|
||||
.get_property = get_property,
|
||||
.properties = battery_props,
|
||||
.num_properties = ARRAY_SIZE(battery_props),
|
||||
};
|
||||
|
||||
static int battery_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct wm97xx *wm = platform_get_drvdata(pdev);
|
||||
int rc;
|
||||
|
||||
battery_wm = wm;
|
||||
|
||||
rc = power_supply_register(NULL, &battery_ps);
|
||||
if (rc)
|
||||
dev_err(&pdev->dev,
|
||||
"Could not register mioa701 battery -> %d\n", rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int battery_remove(struct platform_device *pdev)
|
||||
{
|
||||
battery_wm = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver mioa701_battery_driver = {
|
||||
.driver = {
|
||||
.name = "wm97xx-battery",
|
||||
},
|
||||
.probe = battery_probe,
|
||||
.remove = battery_remove
|
||||
};
|
||||
|
||||
static int __init mioa701_battery_init(void)
|
||||
{
|
||||
int rc;
|
||||
|
||||
rc = platform_driver_register(&mioa701_battery_driver);
|
||||
if (rc)
|
||||
printk(KERN_ERR "Could not register mioa701 battery driver\n");
|
||||
return rc;
|
||||
}
|
||||
|
||||
#else
|
||||
static int __init mioa701_battery_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* 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();
|
||||
gpio_set_value(GPIO18_POWEROFF, 1);
|
||||
}
|
||||
|
||||
static void mioa701_restart(char c)
|
||||
{
|
||||
mioa701_machine_exit();
|
||||
arm_machine_restart(c);
|
||||
}
|
||||
|
||||
struct gpio_ress global_gpios[] = {
|
||||
MIO_GPIO_OUT(GPIO9_CHARGE_nEN, 1, "Charger enable"),
|
||||
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);
|
||||
udc_init();
|
||||
pm_power_off = mioa701_poweroff;
|
||||
arm_pm_restart = mioa701_restart;
|
||||
platform_add_devices(devices, ARRAY_SIZE(devices));
|
||||
gsm_init();
|
||||
mioa701_battery_init();
|
||||
}
|
||||
|
||||
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
|
||||
36
arch/arm/mach-pxa/mioa701_bootresume.S
Normal file
36
arch/arm/mach-pxa/mioa701_bootresume.S
Normal file
@ -0,0 +1,36 @@
|
||||
/* Bootloader to resume MIO A701
|
||||
*
|
||||
* 2007-1-12 Robert Jarzmik
|
||||
*
|
||||
* This code is licenced under the GPLv2.
|
||||
*/
|
||||
|
||||
#include <linux/linkage.h>
|
||||
#include <asm/assembler.h>
|
||||
|
||||
/*
|
||||
* Note: Yes, part of the following code is located into the .data section.
|
||||
* This is to allow jumpaddr to be accessed with a relative load
|
||||
* while we can't rely on any MMU translation. We could have put
|
||||
* sleep_save_sp in the .text section as well, but some setups might
|
||||
* insist on it to be truly read-only.
|
||||
*/
|
||||
.data
|
||||
ENTRY(mioa701_bootstrap)
|
||||
0:
|
||||
b 1f
|
||||
ENTRY(mioa701_jumpaddr)
|
||||
.word 0x40f00008 @ PSPR in no-MMU mode
|
||||
1:
|
||||
mov r0, #0xa0000000 @ Don't suppose memory access works
|
||||
orr r0, r0, #0x00200000 @ even if it's supposed to
|
||||
mov r1, #0
|
||||
str r1, [r0] @ Early disable resume for next boot
|
||||
ldr r0, mioa701_jumpaddr @ (Murphy's Law)
|
||||
ldr r0, [r0]
|
||||
mov pc, r0
|
||||
2:
|
||||
|
||||
ENTRY(mioa701_bootstrap_lg)
|
||||
.data
|
||||
.word 2b-0b
|
||||
Loading…
Reference in New Issue
Block a user