| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Date & Time support for internal RTC of MPC8xx |
| 10 | */ |
| 11 | |
| 12 | /*#define DEBUG*/ |
| 13 | |
| 14 | #include <common.h> |
| 15 | #include <command.h> |
| 16 | #include <rtc.h> |
| 17 | |
| 18 | #if defined(CONFIG_CMD_DATE) |
| 19 | |
| 20 | /* ------------------------------------------------------------------------- */ |
| 21 | |
| 22 | int rtc_get (struct rtc_time *tmp) |
| 23 | { |
| 24 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
| 25 | ulong tim; |
| 26 | |
| 27 | tim = immr->im_sit.sit_rtc; |
| 28 | |
| 29 | to_tm (tim, tmp); |
| 30 | |
| 31 | debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", |
| 32 | tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, |
| 33 | tmp->tm_hour, tmp->tm_min, tmp->tm_sec); |
| 34 | |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | int rtc_set (struct rtc_time *tmp) |
| 39 | { |
| 40 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
| 41 | ulong tim; |
| 42 | |
| 43 | debug ( "Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", |
| 44 | tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, |
| 45 | tmp->tm_hour, tmp->tm_min, tmp->tm_sec); |
| 46 | |
| 47 | tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, |
| 48 | tmp->tm_hour, tmp->tm_min, tmp->tm_sec); |
| 49 | |
| 50 | immr->im_sitk.sitk_rtck = KAPWR_KEY; |
| 51 | immr->im_sit.sit_rtc = tim; |
| 52 | |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | void rtc_reset (void) |
| 57 | { |
| 58 | return; /* nothing to do */ |
| 59 | } |
| 60 | |
| 61 | #endif |