1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
8 #include <linux/spinlock.h>
10 extern spinlock_t rtc_lock;
13 volatile u8 pad[0x7ff0]; /* NVRAM */
16 volatile u8 alarm_sec;
17 volatile u8 alarm_min;
18 volatile u8 alarm_hour;
19 volatile u8 alarm_data;
20 volatile u8 interrupts;
32 #define M48T37_RTC_SET 0x80
33 #define M48T37_RTC_STOPPED 0x80
34 #define M48T37_RTC_READ 0x40
36 #endif /* _ASM_M48T37_H */