| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Registers for the SGS-Thomson M48T37 Timekeeper RAM chip |
| 3 | */ |
| 4 | #ifndef _ASM_M48T37_H |
| 5 | #define _ASM_M48T37_H |
| 6 | |
| 7 | #include <linux/spinlock.h> |
| 8 | |
| 9 | extern spinlock_t rtc_lock; |
| 10 | |
| 11 | struct m48t37_rtc { |
| Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame] | 12 | volatile u8 pad[0x7ff0]; /* NVRAM */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | volatile u8 flags; |
| 14 | volatile u8 century; |
| 15 | volatile u8 alarm_sec; |
| 16 | volatile u8 alarm_min; |
| 17 | volatile u8 alarm_hour; |
| 18 | volatile u8 alarm_data; |
| 19 | volatile u8 interrupts; |
| 20 | volatile u8 watchdog; |
| 21 | volatile u8 control; |
| 22 | volatile u8 sec; |
| 23 | volatile u8 min; |
| 24 | volatile u8 hour; |
| 25 | volatile u8 day; |
| 26 | volatile u8 date; |
| 27 | volatile u8 month; |
| 28 | volatile u8 year; |
| 29 | }; |
| 30 | |
| 31 | #define M48T37_RTC_SET 0x80 |
| 32 | #define M48T37_RTC_STOPPED 0x80 |
| 33 | #define M48T37_RTC_READ 0x40 |
| 34 | |
| 35 | #endif /* _ASM_M48T37_H */ |