12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455 |
- // 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");
- }
|