m48t35.h 585 Bytes
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
/*
 *  Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
 */

#ifndef _ASM_M48T35_H
#define _ASM_M48T35_H

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