NetBSD/sys/arch/evbppc/walnut/dev/ds1743reg.h

67 lines
2.6 KiB
C

/* $NetBSD: ds1743reg.h,v 1.1 2002/12/09 12:16:23 scw Exp $ */
/*
* Copyright 2001-2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
#ifndef __DS1501_H__
#define __DS1501_H__
/* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */
#define DS_SECONDS 0x1ff9
#define DS_MINUTES 0x1ffa
#define DS_HOURS 0x1ffb
#define DS_DAY 0x1ffc
#define DS_DATE 0x1ffd
#define DS_MONTH 0x1ffe
#define DS_YEAR 0x1fff
#define DS_CENTURY 0x1ff8
#define DS_CTL_R 0x40 /* R bit in the century register */
#define DS_CTL_W 0x80 /* W bit in the century register */
#define DS_CTL_RW (DS_CTL_R|DS_CTL_W)
#define DS_CTL_OSC 0x80 /* ~OSC BIT in the seconds register */
#define DS_CTL_BF 0x80 /* BF(battery failure) bit in the day register */
#define DS_CTL_FT 0x40 /* FT(frequency test) bit in the day register */
#define DS_RAM_SIZE 0x1ff8
#define DS_SIZE 0x2000
#endif /* __DS1501_H__ */