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/*
* 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
#define BCD_TO_BIN(x) ((x)=((x)&15) + ((x)>>4)*10)
#define BIN_TO_BCD(x) ((x)=(((x)/10)<<4) + (x)%10)
#endif /* _ASM_M48T35_H */
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