/* * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> * * 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> #include <rtc.h> #include <spi.h> #include <fsl_pmic.h> int rtc_get(struct rtc_time *rtc) { u32 day1, day2, time; int tim, i = 0; do { day1 = pmic_reg_read(REG_RTC_DAY); if (day1 < 0) return -1; time = pmic_reg_read(REG_RTC_TIME); if (time < 0) return -1; day2 = pmic_reg_read(REG_RTC_DAY); if (day2 < 0) return -1; } while (day1 != day2 && i++ < 3); tim = day1 * 86400 + time; to_tm(tim, rtc); rtc->tm_yday = 0; rtc->tm_isdst = 0; return 0; } int rtc_set(struct rtc_time *rtc) { u32 time, day; time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday, rtc->tm_hour, rtc->tm_min, rtc->tm_sec); day = time / 86400; time %= 86400; pmic_reg_write(REG_RTC_DAY, day); pmic_reg_write(REG_RTC_TIME, time); return 0; } void rtc_reset(void) { }