mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-09 06:13:21 +09:00
![Martyn Welch](/assets/img/avatar_default.png)
We are going to be using check_time() on more than the mx53ppd, move this function to a common location. Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
56 lines
845 B
C
56 lines
845 B
C
/*
|
|
* 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);
|
|
}
|
|
|