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

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright 2001-2002 Wasabi Systems, Inc.
   5  * All rights reserved.
   6  *
   7  * Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed for the NetBSD Project by
  20  *      Wasabi Systems, Inc.
  21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  22  *    or promote products derived from this software without specific prior
  23  *    written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #ifndef __DS1501_H__
  39 #define __DS1501_H__
  40
  41 /* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */
  42
  43 #define DS_SECONDS      0x1ff9
  44 #define DS_MINUTES      0x1ffa
  45 #define DS_HOURS        0x1ffb
  46 #define DS_DAY          0x1ffc
  47 #define DS_DATE         0x1ffd
  48 #define DS_MONTH        0x1ffe
  49 #define DS_YEAR         0x1fff
  50 #define DS_CENTURY      0x1ff8
  51
  52
  53 #define DS_CTL_R        0x40    /* R bit in the century register */
  54 #define DS_CTL_W        0x80    /* W bit in the century register */
  55 #define DS_CTL_RW       (DS_CTL_R|DS_CTL_W)
  56
  57 #define DS_CTL_OSC      0x80    /* ~OSC BIT in the seconds register */
  58
  59 #define DS_CTL_BF       0x80    /* BF(battery failure) bit in the day register */
  60 #define DS_CTL_FT       0x40    /* FT(frequency test) bit in the day register */
  61
  62 #define DS_RAM_SIZE     0x1ff8
  63
  64 #define DS_SIZE         0x2000
  65
  66 #endif /* __DS1501_H__ */