[linux-2.6-block.git] / arch / mips / include / asm / m48t37.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	/*
	3	* Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
	4	*/
	5	#ifndef _ASM_M48T37_H
	6	#define _ASM_M48T37_H
	7
	8	#include <linux/spinlock.h>
	9
	10	extern spinlock_t rtc_lock;
	11
	12	struct m48t37_rtc {
70342287	13	volatile u8 pad[0x7ff0]; /* NVRAM */
1da177e4 LT	14	volatile u8 flags;
	15	volatile u8 century;
	16	volatile u8 alarm_sec;
	17	volatile u8 alarm_min;
	18	volatile u8 alarm_hour;
	19	volatile u8 alarm_data;
	20	volatile u8 interrupts;
	21	volatile u8 watchdog;
	22	volatile u8 control;
	23	volatile u8 sec;
	24	volatile u8 min;
	25	volatile u8 hour;
	26	volatile u8 day;
	27	volatile u8 date;
	28	volatile u8 month;
	29	volatile u8 year;
	30	};
	31
	32	#define M48T37_RTC_SET 0x80
	33	#define M48T37_RTC_STOPPED 0x80
	34	#define M48T37_RTC_READ 0x40
	35
	36	#endif /* _ASM_M48T37_H */