// SPDX-License-Identifier: GPL-2.0+ | |
/* | |
* Copyright 2017 General Electric Company | |
*/ | |
#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); | |
} | |