blob: 3ddc034c9b38eb646cb025d96f62ba8970b310de
1 | /* |
2 | * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
3 | * Andreas Heppel <aheppel@sysgo.de> |
4 | * |
5 | * SPDX-License-Identifier: GPL-2.0+ |
6 | */ |
7 | |
8 | /* |
9 | * Date & Time support for the MK48T59 RTC |
10 | */ |
11 | |
12 | |
13 | #if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE) |
14 | |
15 | #define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70 |
16 | #define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1 |
17 | #define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76 |
18 | |
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 | |
44 | void rtc_set_watchdog(short multi, short res); |
45 | void *nvram_read(void *dest, const short src, size_t count); |
46 | void nvram_write(short dest, const void *src, size_t count); |
47 | |
48 | #endif |
49 |