/* 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 */