87 lines
3.7 KiB
C
87 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* from: @(#)rtc.h 7.1 (Berkeley) 5/12/91
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* RTC Register locations
|
|
*/
|
|
|
|
#define RTC_SEC 0x00 /* seconds */
|
|
#define RTC_SECALRM 0x01 /* seconds alarm */
|
|
#define RTC_MIN 0x02 /* minutes */
|
|
#define RTC_MINALRM 0x03 /* minutes alarm */
|
|
#define RTC_HRS 0x04 /* hours */
|
|
#define RTC_HRSALRM 0x05 /* hours alarm */
|
|
#define RTC_WDAY 0x06 /* week day */
|
|
#define RTC_DAY 0x07 /* day of month */
|
|
#define RTC_MONTH 0x08 /* month of year */
|
|
#define RTC_YEAR 0x09 /* month of year */
|
|
#define RTC_STATUSA 0x0a /* status register A */
|
|
#define RTCSA_TUP 0x80 /* time update, don't look now */
|
|
|
|
#define RTC_STATUSB 0x0b /* status register B */
|
|
|
|
#define RTC_INTR 0x0c /* status register C (R) interrupt source */
|
|
#define RTCIR_UPDATE 0x10 /* update intr */
|
|
#define RTCIR_ALARM 0x20 /* alarm intr */
|
|
#define RTCIR_PERIOD 0x40 /* periodic intr */
|
|
#define RTCIR_INT 0x80 /* interrupt output signal */
|
|
|
|
#define RTC_STATUSD 0x0d /* status register D (R) Lost Power */
|
|
#define RTCSD_PWR 0x80 /* clock lost power */
|
|
|
|
#define RTC_DIAG 0x0e /* status register E - bios diagnostic */
|
|
#define RTCDG_BITS "\020\010clock_battery\007ROM_cksum\006config_unit\005memory_size\004fixed_disk\003invalid_time"
|
|
|
|
#define RTC_RESET 0x0f /* status register F - reset code byte */
|
|
#define RTCRS_RST 0x00 /* normal reset */
|
|
#define RTCRS_LOAD 0x04 /* load system */
|
|
|
|
#define RTC_FDISKETTE 0x10 /* diskette drive type in upper/lower nibble */
|
|
#define RTCFDT_NONE 0 /* none present */
|
|
#define RTCFDT_360K 0x10 /* 360K */
|
|
#define RTCFDT_12M 0x20 /* 1.2M */
|
|
#define RTCFDT_144M 0x40 /* 1.44M */
|
|
|
|
#define RTC_BASELO 0x15 /* low byte of basemem size */
|
|
#define RTC_BASEHI 0x16 /* high byte of basemem size */
|
|
#define RTC_EXTLO 0x17 /* low byte of extended mem size */
|
|
#define RTC_EXTHI 0x18 /* low byte of extended mem size */
|
|
|
|
#define RTC_CENTURY 0x32 /* current century - please increment in Dec99*/
|