X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=post%2Fdrivers%2Frtc.c;h=8b0f463b8034fc657af77d040e07ef7f79f6a78d;hb=310ae55efe14aa7923b16c718cbdb22ec364b18b;hp=7d4f9b88ee62f46ccca552a0dae9a6fc7f02f28b;hpb=d8be57669b37d57625bbe37c4603dab05058cea7;p=u-boot

diff --git a/post/drivers/rtc.c b/post/drivers/rtc.c
index 7d4f9b88ee..8b0f463b80 100644
--- a/post/drivers/rtc.c
+++ b/post/drivers/rtc.c
@@ -28,6 +28,8 @@
  *
  * The Real Time Clock (RTC) operation is verified by this test.
  * The following features are verified:
+ *   o) RTC Power Fault
+ *	This is verified by analyzing the rtc_get() return status.
  *   o) Time uniformity
  *      This is verified by reading RTC in polling within
  *      a short period of time.
@@ -38,12 +40,10 @@
  *      nonleap-years.
  */
 
-#ifdef CONFIG_POST
-
 #include <post.h>
 #include <rtc.h>
 
-#if CONFIG_POST & CFG_POST_RTC
+#if CONFIG_POST & CONFIG_SYS_POST_RTC
 
 static int rtc_post_skip (ulong * diff)
 {
@@ -96,6 +96,10 @@ int rtc_post_test (int flags)
 	unsigned int ynl = 1999;
 	unsigned int yl = 2000;
 	unsigned int skipped = 0;
+	int reliable;
+
+	/* Time reliability */
+	reliable = rtc_get (&svtm);
 
 	/* Time uniformity */
 	if (rtc_post_skip (&diff) != 0) {
@@ -176,8 +180,16 @@ int rtc_post_test (int flags)
 	}
 	rtc_post_restore (&svtm, skipped);
 
+	/* If come here, then RTC operates correcty, check the correctness
+	 * of the time it reports.
+	 */
+	if (reliable < 0) {
+		post_log ("RTC Time is not reliable! Power fault? \n");
+
+		return -1;
+	}
+
 	return 0;
 }
 
-#endif /* CONFIG_POST & CFG_POST_RTC */
-#endif /* CONFIG_POST */
+#endif /* CONFIG_POST & CONFIG_SYS_POST_RTC */