blob: fbdb9f9d12d7a38d12a0ae93325252cbd6a019c8 [file] [log] [blame]
wdenk012771d2002-03-08 21:31:05 +00001/*
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
Jon Loeliger72a074c2007-06-11 19:03:34 -050029#if defined(CONFIG_RTC_MK48T59) && ((CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_CMD_DATE))
wdenk012771d2002-03-08 21:31:05 +000030
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
60void rtc_set_watchdog(short multi, short res);
61void *nvram_read(void *dest, const short src, size_t count);
62void nvram_write(short dest, const void *src, size_t count);
63
64#endif