m48t37.h

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/*
 *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
 */
#ifndef _ASM_M48T37_H
#define _ASM_M48T37_H

#include <linux/spinlock.h>

extern spinlock_t rtc_lock;

struct m48t37_rtc {
    volatile u8 pad[0x7ff0];    /* NVRAM */
    volatile u8 flags;
    volatile u8 century;
    volatile u8 alarm_sec;
    volatile u8 alarm_min;
    volatile u8 alarm_hour;
    volatile u8 alarm_data;
    volatile u8 interrupts;
    volatile u8 watchdog;
    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 M48T37_RTC_SET      0x80
#define M48T37_RTC_STOPPED  0x80
#define M48T37_RTC_READ     0x40

#endif /* _ASM_M48T37_H */