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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017 General Electric Company
*/
#include <common.h>
#include <env.h>
#include <dm/uclass.h>
#include <rtc.h>
void check_time(void)
{
struct udevice *dev;
int ret, i;
struct rtc_time tm;
u8 retry = 3;
ret = uclass_get_device(UCLASS_RTC, 0, &dev);
if (ret) {
env_set("rtc_status", "FAIL");
return;
}
for (i = 0; i < retry; i++) {
ret = dm_rtc_get(dev, &tm);
if (!ret || ret == -EINVAL)
break;
}
if (!ret && 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 = dm_rtc_set(dev, &tm);
if (!ret)
break;
}
if (ret >= 0)
ret = 2038;
}
if (ret < 0)
env_set("rtc_status", "FAIL");
else if (ret == 2038)
env_set("rtc_status", "2038");
else
env_set("rtc_status", "OK");
}
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