From cab1c01885e216027086b20c6b0628df7383f487 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Sat, 5 Nov 2016 23:57:02 -0700 Subject: mrc: Add support for separate training cache in recovery mode 1. Re-factor MRC cache driver to properly select RW_MRC_CACHE or RECOVERY_MRC_CACHE based on the boot mode. - If normal mode boot, use RW_MRC_CACHE, if available. - If recovery mode boot: - Retrain memory if RECOVERY_MRC_CACHE not present, or recovery is requested explicity with retrain memory request. - Use RECOVERY_MRC_CACHE otherwise. 2. Protect RW and RECOVERY mrc caches in recovery and non-recovery boot modes. Check if both are present under one unified region and protect that region as a whole. Else try protecting individual regions. 3. Update training data in appropriate cache: - Use RW_MRC_CACHE if normal mode. - Use RECOVERY_MRC_CACHE if present in recovery mode. Else use RW_MRC_CACHE. 4. Add proper debug logs to indicate which training data cache is used at any point. BUG=chrome-os-partner:59352 BRANCH=None TEST=Verified that correct cache is used in both normal and recovery mode on reef. Change-Id: Ie79737a1450bd1ff71543e44a5a3e16950e70fb3 Signed-off-by: Furquan Shaikh Reviewed-on: https://review.coreboot.org/17242 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/include/elog.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/include/elog.h') diff --git a/src/include/elog.h b/src/include/elog.h index 7fdcda71a7..fec9d091e9 100644 --- a/src/include/elog.h +++ b/src/include/elog.h @@ -152,6 +152,7 @@ struct elog_event_data_me_extended { /* Memory Cache Update */ #define ELOG_TYPE_MEM_CACHE_UPDATE 0xaa #define ELOG_MEM_CACHE_UPDATE_SLOT_NORMAL 0 +#define ELOG_MEM_CACHE_UPDATE_SLOT_RECOVERY 1 #define ELOG_MEM_CACHE_UPDATE_STATUS_SUCCESS 0 #define ELOG_MEM_CACHE_UPDATE_STATUS_FAIL 1 struct elog_event_mem_cache_update { -- cgit v1.2.3