From 076ce2f4d9082eb80a03f39111ad6e81fc2f8836 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Thu, 18 Oct 2018 12:12:22 -0700 Subject: mb/google/octopus: Preserve MRC training data across firmware update This change udpates FMAP to wrap MRC training data in RW_PRESERVE section so that we don't lose the data when performing full firmware updates on octopus. BUG=b:117882029 TEST=Verified that chromeos-firmwareupdate doing full firmware update preserves training data on octopus. Change-Id: I5adb9bfa926327057b003360150685a8b4778c8c Signed-off-by: Furquan Shaikh Reviewed-on: https://review.coreboot.org/29183 Tested-by: build bot (Jenkins) Reviewed-by: Justin TerAvest Reviewed-by: Aaron Durbin --- src/mainboard/google/octopus/chromeos.fmd | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/mainboard/google/octopus/chromeos.fmd b/src/mainboard/google/octopus/chromeos.fmd index f601adc5e3..6088f0d97b 100644 --- a/src/mainboard/google/octopus/chromeos.fmd +++ b/src/mainboard/google/octopus/chromeos.fmd @@ -12,10 +12,12 @@ FLASH 16M { } } MISC_RW@0x400000 0x30000 { - UNIFIED_MRC_CACHE@0x0 0x21000 { - RECOVERY_MRC_CACHE@0x0 0x10000 - RW_MRC_CACHE@0x10000 0x10000 - RW_VAR_MRC_CACHE@0x20000 0x1000 + RW_PRESERVE { + UNIFIED_MRC_CACHE@0x0 0x21000 { + RECOVERY_MRC_CACHE@0x0 0x10000 + RW_MRC_CACHE@0x10000 0x10000 + RW_VAR_MRC_CACHE@0x20000 0x1000 + } } RW_ELOG@0x21000 0x3000 RW_SHARED@0x24000 0x4000 { -- cgit v1.2.3