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authorWerner Zeh <werner.zeh@siemens.com>2015-02-09 08:17:40 +0100
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2015-02-23 09:09:25 +0100
commita8b03da4a8e301c6659398431ab3e6a6ffa7a1c1 (patch)
tree7a2bbdd6cc1cb9edee4961c5e2964fcfc1ae5f9c /src/drivers
parentbc1abb12a902bf57debb1c2a51724c6f34633271 (diff)
drivers/pc80/mc146818rtc: Enable RTC reset on power loss
If function cmos_init() was called with parameter invalid set, this indicates, that the caller has found a power loss event in the RTC registers. In this case, we need to load the default date and time because it can be corrupted. Change-Id: Ib8d58a14da0182ceb8167e67440a0f1ea2a20eb7 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: http://review.coreboot.org/8373 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/drivers')
-rw-r--r--src/drivers/pc80/mc146818rtc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/pc80/mc146818rtc.c b/src/drivers/pc80/mc146818rtc.c
index fe669caa98..4f034a2db6 100644
--- a/src/drivers/pc80/mc146818rtc.c
+++ b/src/drivers/pc80/mc146818rtc.c
@@ -86,7 +86,7 @@ static void cmos_set_checksum(int range_start, int range_end, int cks_loc)
#ifndef __SMM__
void cmos_init(bool invalid)
{
- bool cmos_invalid = false;
+ bool cmos_invalid = invalid;
bool checksum_invalid = false;
bool clear_cmos;
size_t i;