blob: 3ddc034c9b38eb646cb025d96f62ba8970b310de [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 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk012771d2002-03-08 21:31:05 +00006 */
7
8/*
9 * Date & Time support for the MK48T59 RTC
10 */
11
12
Jon Loeliger639221c2007-07-09 17:15:49 -050013#if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
wdenk012771d2002-03-08 21:31:05 +000014
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020015#define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70
wdenk012771d2002-03-08 21:31:05 +000016#define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020017#define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76
wdenk012771d2002-03-08 21:31:05 +000018
19/* RTC Offsets */
20#define RTC_SECONDS 0x1FF9
21#define RTC_MINUTES 0x1FFA
22#define RTC_HOURS 0x1FFB
23#define RTC_DAY_OF_WEEK 0x1FFC
24#define RTC_DAY_OF_MONTH 0x1FFD
25#define RTC_MONTH 0x1FFE
26#define RTC_YEAR 0x1FFF
27
28#define RTC_CONTROLA 0x1FF8
29#define RTC_CA_WRITE 0x80
30#define RTC_CA_READ 0x40
31#define RTC_CA_CALIB_SIGN 0x20
32#define RTC_CA_CALIB_MASK 0x1f
33
34#define RTC_CONTROLB 0x1FF9
35#define RTC_CB_STOP 0x80
36
37#define RTC_WATCHDOG 0x1FF7
38#define RTC_WDS 0x80
39#define RTC_WD_RB_16TH 0x0
40#define RTC_WD_RB_4TH 0x1
41#define RTC_WD_RB_1 0x2
42#define RTC_WD_RB_4 0x3
43
44void rtc_set_watchdog(short multi, short res);
45void *nvram_read(void *dest, const short src, size_t count);
46void nvram_write(short dest, const void *src, size_t count);
47
48#endif