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https://github.com/brain-hackers/u-boot-brain
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
68 lines
1.1 KiB
C
68 lines
1.1 KiB
C
/*
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* Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <rtc.h>
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#include <spi.h>
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#include <power/pmic.h>
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#include <fsl_pmic.h>
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int rtc_get(struct rtc_time *rtc)
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{
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u32 day1, day2, time;
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int tim, i = 0;
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struct pmic *p = pmic_get("FSL_PMIC");
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int ret;
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if (!p)
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return -1;
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do {
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ret = pmic_reg_read(p, REG_RTC_DAY, &day1);
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if (ret < 0)
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return -1;
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ret = pmic_reg_read(p, REG_RTC_TIME, &time);
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if (ret < 0)
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return -1;
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ret = pmic_reg_read(p, REG_RTC_DAY, &day2);
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if (ret < 0)
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return -1;
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} while (day1 != day2 && i++ < 3);
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tim = day1 * 86400 + time;
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to_tm(tim, rtc);
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rtc->tm_yday = 0;
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rtc->tm_isdst = 0;
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return 0;
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}
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int rtc_set(struct rtc_time *rtc)
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{
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u32 time, day;
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struct pmic *p = pmic_get("FSL_PMIC");
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if (!p)
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return -1;
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time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday,
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rtc->tm_hour, rtc->tm_min, rtc->tm_sec);
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day = time / 86400;
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time %= 86400;
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pmic_reg_write(p, REG_RTC_DAY, day);
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pmic_reg_write(p, REG_RTC_TIME, time);
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return 0;
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}
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void rtc_reset(void)
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{
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}
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