]> git.sur5r.net Git - u-boot/blobdiff - board/ge/common/ge_common.c
board: ge: mx53ppd: Move check_time() to common location
[u-boot] / board / ge / common / ge_common.c
diff --git a/board/ge/common/ge_common.c b/board/ge/common/ge_common.c
new file mode 100644 (file)
index 0000000..c826096
--- /dev/null
@@ -0,0 +1,55 @@
+/*
+ * 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);
+}
+