Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 { | |
12 | volatile u8 pad[0x7ff0]; /* NVRAM */ | |
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 */ |