diff options
Diffstat (limited to 'rtc/mcfrtc.c')
| -rw-r--r-- | rtc/mcfrtc.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/rtc/mcfrtc.c b/rtc/mcfrtc.c deleted file mode 100644 index 27386e5..0000000 --- a/rtc/mcfrtc.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -#if defined(CONFIG_MCFRTC) && defined(CONFIG_CMD_DATE) - -#include <command.h> -#include <rtc.h> -#include <asm/immap.h> -#include <asm/rtc.h> - -#undef RTC_DEBUG - -#ifndef CFG_MCFRTC_BASE -#error RTC_BASE is not defined! -#endif - -#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) -#define STARTOFTIME 1970 - -void rtc_get(struct rtc_time *tmp) -{ - volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); - - int rtc_days, rtc_hrs, rtc_mins; - int tim; - - rtc_days = rtc->days; - rtc_hrs = rtc->hourmin >> 8; - rtc_mins = RTC_HOURMIN_MINUTES(rtc->hourmin); - - tim = (rtc_days * 24) + rtc_hrs; - tim = (tim * 60) + rtc_mins; - tim = (tim * 60) + rtc->seconds; - - to_tm(tim, tmp); - - tmp->tm_yday = 0; - tmp->tm_isdst = 0; - -#ifdef RTC_DEBUG - printf("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", - tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, - tmp->tm_hour, tmp->tm_min, tmp->tm_sec); -#endif -} - -void rtc_set(struct rtc_time *tmp) -{ - volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); - - static int month_days[12] = { - 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 - }; - int days, i, months; - - if (tmp->tm_year > 2037) { - printf("Unable to handle. Exceeding integer limitation!\n"); - tmp->tm_year = 2027; - } -#ifdef RTC_DEBUG - printf("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", - tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, - tmp->tm_hour, tmp->tm_min, tmp->tm_sec); -#endif - - /* calculate days by years */ - for (i = STARTOFTIME, days = 0; i < tmp->tm_year; i++) { - days += 365 + isleap(i); - } - - /* calculate days by months */ - months = tmp->tm_mon - 1; - for (i = 0; i < months; i++) { - days += month_days[i]; - - if (i == 1) - days += isleap(i); - } - - days += tmp->tm_mday - 1; - - rtc->days = days; - rtc->hourmin = (tmp->tm_hour << 8) | tmp->tm_min; - rtc->seconds = tmp->tm_sec; -} - -void rtc_reset(void) -{ - volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); - - if ((rtc->cr & RTC_CR_EN) == 0) { - printf("real-time-clock was stopped. Now starting...\n"); - rtc->cr |= RTC_CR_EN; - } - - rtc->cr |= RTC_CR_SWR; -} - -#endif /* CONFIG_MCFRTC && CONFIG_CMD_DATE */ |