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