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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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 */
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