1 files changed, 56 insertions, 0 deletions
diff --git a/roms/u-boot/board/ge/common/ge_rtc.c b/roms/u-boot/board/ge/common/ge_rtc.c
new file mode 100644
index 000000000..48c377804
--- /dev/null
+++ b/roms/u-boot/board/ge/common/ge_rtc.c
@@ -0,0 +1,56 @@
+// 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");
+}
+