diff options
Diffstat (limited to 'dev/rtcreg.h')
| -rw-r--r-- | dev/rtcreg.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/dev/rtcreg.h b/dev/rtcreg.h index 0b33c25b2..5025a0e95 100644 --- a/dev/rtcreg.h +++ b/dev/rtcreg.h @@ -36,8 +36,22 @@ #define RTC_DOM 0x07 #define RTC_MON 0x08 #define RTC_YEAR 0x09 -#define RTC_CNTRL_REGA 0x0A -#define RTC_CNTRL_REGB 0x0B -#define RTC_CNTRL_REGC 0x0C -#define RTC_CNTRL_REGD 0x0D + +#define RTC_STAT_REGA 0x0A +#define RTCA_1024HZ 0x06 /* 1024Hz periodic interrupt frequency */ +#define RTCA_32768HZ 0x20 /* 22-stage divider, 32.768KHz timebase */ +#define RTCA_UIP 0x80 /* 1 = date and time update in progress */ + +#define RTC_STAT_REGB 0x0B +#define RTCB_DST 0x01 /* USA Daylight Savings Time enable */ +#define RTCB_24HR 0x02 /* 0 = 12 hours, 1 = 24 hours */ +#define RTCB_BIN 0x04 /* 0 = BCD, 1 = Binary coded time */ +#define RTCB_SQWE 0x08 /* 1 = output sqare wave at SQW pin */ +#define RTCB_UPDT_IE 0x10 /* 1 = enable update-ended interrupt */ +#define RTCB_ALRM_IE 0x20 /* 1 = enable alarm interrupt */ +#define RTCB_PRDC_IE 0x40 /* 1 = enable periodic clock interrupt */ +#define RTCB_NO_UPDT 0x80 /* stop clock updates */ + +#define RTC_STAT_REGC 0x0C +#define RTC_STAT_REGD 0x0D |