Log unexpected post code from the previous boot
Read out the post code from the previous boot and
log it if the code is not one of the expected values.
Test:
1) interrupt the boot of the system, this is easiest
with warm reset button when servo is attached
2) check the event log with mosys
65 | 2012-09-09 12:32:11 | Last post code in previous boot | 0x9d
Change-Id: Id418f4c0cf005a3e97b8c63de67cb9a09bc57384
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1744
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/drivers/elog/elog.c b/src/drivers/elog/elog.c
index 748adaf..2f6beef 100644
--- a/src/drivers/elog/elog.c
+++ b/src/drivers/elog/elog.c
@@ -813,6 +813,11 @@
elog_add_event_dword(ELOG_TYPE_BOOT, boot_count_read());
#endif
+#if CONFIG_CMOS_POST && !defined(__SMM__)
+ /* Check and log POST codes from previous boot */
+ cmos_post_log();
+#endif
+
return 0;
}