Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/47776 )
Change subject: mb/google/zork: Mark RW_MRC_CACHE as "Preserve" ......................................................................
mb/google/zork: Mark RW_MRC_CACHE as "Preserve"
AGESA checks to make sure that the firmware version reading the MRC cache is the same version that wrote it, so it doesn't need to be erased during a firmware update.
BUG=b:173724014 TEST=Flash firmware to DUT, update firmware, check RW_MRC_CACHE was not erased BRANCH=Zork
Signed-off-by: Martin Roth martin@coreboot.org Change-Id: Ice3d1d467c25366b7ef678cd6481d043f62644ca Reviewed-on: https://review.coreboot.org/c/coreboot/+/47776 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Marshall Dawson marshalldawson3rd@gmail.com Reviewed-by: Felix Held felix-coreboot@felixheld.de --- M src/mainboard/google/zork/chromeos.fmd 1 file changed, 1 insertion(+), 1 deletion(-)
Approvals: build bot (Jenkins): Verified Felix Held: Looks good to me, but someone else must approve Marshall Dawson: Looks good to me, approved
diff --git a/src/mainboard/google/zork/chromeos.fmd b/src/mainboard/google/zork/chromeos.fmd index 7c2b95b..be43e8a 100644 --- a/src/mainboard/google/zork/chromeos.fmd +++ b/src/mainboard/google/zork/chromeos.fmd @@ -1,6 +1,6 @@ FLASH@0xFF000000 16M { SI_BIOS { - RW_MRC_CACHE 64K + RW_MRC_CACHE(PRESERVE) 64K RW_SECTION_A 3M { VBLOCK_A 8K FW_MAIN_A(CBFS)