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git://projects.qi-hardware.com/openwrt-xburst.git
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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/*
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* linux/include/asm-mips/mach-jz4740/board-dipper.h
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*
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* JZ4725-based (16bit) Dipper board ver 1.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: <lhhuang@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_JZ4725_DIPPER_H__
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#define __ASM_JZ4725_DIPPER_H__
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/*======================================================================
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* Frequencies of on-board oscillators
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*/
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#define JZ_EXTAL 12000000 /* Main extal freq: 12 MHz */
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#define JZ_EXTAL2 32768 /* RTC extal freq: 32.768 KHz */
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/*======================================================================
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* GPIO JZ4725
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*/
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#define GPIO_SD_VCC_EN_N 85 /* GPC21 */
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#define GPIO_SD_CD_N 91 /* GPC27 */
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#define GPIO_SD_WP 112 /* GPD16 */
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#define GPIO_USB_DETE 124 /* GPD28 */
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#define GPIO_DC_DETE_N 103 /* GPD7 */
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#define GPIO_CHARG_STAT_N 86 /* GPC22 */
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#define GPIO_DISP_OFF_N 118 /* GPD22 */
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#define GPIO_UDC_HOTPLUG GPIO_USB_DETE
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/*======================================================================
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* MMC/SD
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*/
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#define MSC_WP_PIN GPIO_SD_WP
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#define MSC_HOTPLUG_PIN GPIO_SD_CD_N
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#define MSC_HOTPLUG_IRQ (IRQ_GPIO_0 + GPIO_SD_CD_N)
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#define __msc_init_io() \
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do { \
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__gpio_as_output(GPIO_SD_VCC_EN_N); \
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__gpio_as_input(GPIO_SD_CD_N); \
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} while (0)
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#define __msc_enable_power() \
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do { \
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__gpio_clear_pin(GPIO_SD_VCC_EN_N); \
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} while (0)
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#define __msc_disable_power() \
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do { \
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__gpio_set_pin(GPIO_SD_VCC_EN_N); \
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} while (0)
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#define __msc_card_detected(s) \
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({ \
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int detected = 1; \
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if (__gpio_get_pin(GPIO_SD_CD_N)) \
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detected = 0; \
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detected; \
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})
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#endif /* __ASM_JZ4740_DIPPER_H__ */
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