include/mk48t59.h

   1 /*
   2  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   3  * Andreas Heppel <aheppel@sysgo.de>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * Date & Time support for the MK48T59 RTC
  26  */
  27
  28
  29 #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
  30
  31 #define RTC_PORT_ADDR0          CFG_ISA_IO +  0x70
  32 #define RTC_PORT_ADDR1          RTC_PORT_ADDR0 +  0x1
  33 #define RTC_PORT_DATA           CFG_ISA_IO +  0x76
  34
  35 /* RTC Offsets */
  36 #define RTC_SECONDS             0x1FF9
  37 #define RTC_MINUTES             0x1FFA
  38 #define RTC_HOURS               0x1FFB
  39 #define RTC_DAY_OF_WEEK         0x1FFC
  40 #define RTC_DAY_OF_MONTH        0x1FFD
  41 #define RTC_MONTH               0x1FFE
  42 #define RTC_YEAR                0x1FFF
  43
  44 #define RTC_CONTROLA            0x1FF8
  45 #define RTC_CA_WRITE            0x80
  46 #define RTC_CA_READ             0x40
  47 #define RTC_CA_CALIB_SIGN       0x20
  48 #define RTC_CA_CALIB_MASK       0x1f
  49
  50 #define RTC_CONTROLB            0x1FF9
  51 #define RTC_CB_STOP             0x80
  52
  53 #define RTC_WATCHDOG                    0x1FF7
  54 #define RTC_WDS                                 0x80
  55 #define RTC_WD_RB_16TH                  0x0
  56 #define RTC_WD_RB_4TH                   0x1
  57 #define RTC_WD_RB_1                             0x2
  58 #define RTC_WD_RB_4                             0x3
  59
  60 void rtc_set_watchdog(short multi, short res);
  61 void *nvram_read(void *dest, const short src, size_t count);
  62 void nvram_write(short dest, const void *src, size_t count);
  63
  64 #endif