56 lines
859 B
C
56 lines
859 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2017 General Electric Company
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*/
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#include <common.h>
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#include <env.h>
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#include <i2c.h>
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#include <rtc.h>
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void check_time(void)
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{
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int ret, i;
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struct rtc_time tm;
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u8 retry = 3;
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unsigned int current_i2c_bus = i2c_get_bus_num();
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ret = i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM);
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if (ret < 0)
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return;
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rtc_init();
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for (i = 0; i < retry; i++) {
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ret = rtc_get(&tm);
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if (!ret || ret == -EINVAL)
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break;
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}
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if (ret < 0)
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env_set("rtc_status", "RTC_ERROR");
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if (tm.tm_year > 2037) {
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tm.tm_sec = 0;
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tm.tm_min = 0;
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tm.tm_hour = 0;
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tm.tm_mday = 1;
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tm.tm_wday = 2;
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tm.tm_mon = 1;
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tm.tm_year = 2036;
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for (i = 0; i < retry; i++) {
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ret = rtc_set(&tm);
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if (!ret)
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break;
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}
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if (ret < 0)
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env_set("rtc_status", "RTC_ERROR");
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}
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i2c_set_bus_num(current_i2c_bus);
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}
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