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Diffstat (limited to 'src/dev/rtcreg.h')
| -rw-r--r-- | src/dev/rtcreg.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/dev/rtcreg.h b/src/dev/rtcreg.h new file mode 100644 index 000000000..5025a0e95 --- /dev/null +++ b/src/dev/rtcreg.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define RTC_SEC 0x00 +#define RTC_SEC_ALRM 0x01 +#define RTC_MIN 0x02 +#define RTC_MIN_ALRM 0x03 +#define RTC_HR 0x04 +#define RTC_HR_ALRM 0x05 +#define RTC_DOW 0x06 +#define RTC_DOM 0x07 +#define RTC_MON 0x08 +#define RTC_YEAR 0x09 + +#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 + |