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git.ipfire.org Git - people/ms/u-boot.git/blob - include/mk48t59.h
2 * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
3 * Andreas Heppel <aheppel@sysgo.de>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * Date & Time support for the MK48T59 RTC
29 #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
31 #define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70
32 #define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1
33 #define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76
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
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
50 #define RTC_CONTROLB 0x1FF9
51 #define RTC_CB_STOP 0x80
53 #define RTC_WATCHDOG 0x1FF7
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
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
);