From 4ed99ad067a7bd9f5ef6004c7b0e5f9f7edbe0d5 Mon Sep 17 00:00:00 2001
From: Andrey Petrov <andrey.petrov@intel.com>
Date: Fri, 4 Nov 2016 16:17:11 -0700
Subject: [PATCH] mainboard/reef: Add RW_VAR_MRC_CACHE

Chop off 4kb block from RW_MRC_CACHE to store variable MRC cache.

BUG=chrome-os-partner:57515
TEST=with patch series applied: cold reboot, make sure MRC is not
updated. Do S3 suspend/resume cycle.

Change-Id: I3e19fff9c9b20d6c73cbb13bfeec49e9a274bb72
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/17235
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/mainboard/google/reef/chromeos.fmd | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/google/reef/chromeos.fmd b/src/mainboard/google/reef/chromeos.fmd
index 1fea91029d..c7e51eedc1 100644
--- a/src/mainboard/google/reef/chromeos.fmd
+++ b/src/mainboard/google/reef/chromeos.fmd
@@ -15,7 +15,8 @@ FLASH 16M {
 	MISC_RW@0x400000 0x4a000 {
 		UNIFIED_MRC_CACHE@0x0 0x40000 {
 			RECOVERY_MRC_CACHE@0x0 0x10000
-			RW_MRC_CACHE@0x10000 0x30000
+			RW_MRC_CACHE@0x10000 0x2f000
+			RW_VAR_MRC_CACHE@0x3f000 0x1000
 		}
 		RW_ELOG@0x40000 0x4000
 		RW_SHARED@0x44000 0x4000 {