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