m48t35.h

来自「umon bootloader source code, support mip」· C头文件 代码 · 共 28 行

/*
 *  Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
 */
#ifndef _ASM_M48T35_H
#define _ASM_M48T35_H

#include <linux/spinlock.h>

extern spinlock_t rtc_lock;

struct m48t35_rtc {
	volatile u8	pad[0x7ff8];    /* starts at 0x7ff8 */
	volatile u8	control;
	volatile u8	sec;
	volatile u8	min;
	volatile u8	hour;
	volatile u8	day;
	volatile u8	date;
	volatile u8	month;
	volatile u8	year;
};

#define M48T35_RTC_SET		0x80
#define M48T35_RTC_STOPPED	0x80
#define M48T35_RTC_READ		0x40

#endif /* _ASM_M48T35_H */