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openwrt-xburst/target/linux/xburst/files-2.6.27/include/asm-mips/mach-jz4730/board-pmp.h

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/*
* linux/include/asm-mips/mach-jz4730/board-pmp.h
*
* JZ4730-based PMP board ver 2.x definition.
*
* Copyright (C) 2006 - 2007 Ingenic Semiconductor Inc.
*
* Author: <jlwei@ingenic.cn>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_JZ4730_PMP_H__
#define __ASM_JZ4730_PMP_H__
/*======================================================================
* EXTAL frequency
*/
#define JZ_EXTAL 12000000 /* EXTAL: 12 MHz */
#define JZ_EXTAL2 32768 /* EXTAL2: 32.768 KHz */
/*======================================================================
* GPIO
*/
#define GPIO_PW_I 97
#define GPIO_PW_O 66
#define GPIO_LED_EN 92
#define GPIO_DISP_OFF_N 93
#define GPIO_PWM0 94
#define GPIO_RTC_IRQ 96
#define GPIO_USB_CLK_EN 29
#define GPIO_CHARG_STAT 125
#define GPIO_TS_PENIRQ 98
#define GPIO_UDC_HOTPLUG 86
/*======================================================================
* MMC/SD
*/
#define MSC_WP_PIN 82
#define MSC_POWEREN_PIN 91
#define MSC_HOTPLUG_PIN 90
#define MSC_HOTPLUG_IRQ (IRQ_GPIO_0 + MSC_HOTPLUG_PIN)
/* enable slot power */
#define __msc_init_io() \
do { \
__gpio_as_input(MSC_WP_PIN); \
__gpio_as_output(MSC_POWEREN_PIN); \
} while (0)
/* enable slot power */
#define __msc_enable_power() \
do { \
__gpio_clear_pin(MSC_POWEREN_PIN); \
} while (0)
/* disable slot power */
#define __msc_disable_power() \
do { \
__gpio_set_pin(MSC_POWEREN_PIN); \
} while (0)
/* detect card insertion or not */
#define __msc_card_detected(slot) \
({ \
int ret; \
if (slot == 0) { \
__gpio_mask_irq(MSC_HOTPLUG_IRQ); \
__gpio_as_input(MSC_HOTPLUG_PIN); \
ret = __gpio_get_pin(MSC_HOTPLUG_PIN); \
__gpio_unmask_irq(MSC_HOTPLUG_IRQ); \
} \
else { \
ret = 1; \
} \
ret = !ret; \
ret; \
})
#endif /* __ASM_JZ4730_PMP_H__ */