[S] Change in coreboot[master]: mb/google/skryim: Add RECOVERY_MRC_CACHE FMAP section

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/73250 )

Change subject: mb/google/skryim: Add RECOVERY_MRC_CACHE FMAP section
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mb/google/skryim: Add RECOVERY_MRC_CACHE FMAP section

Enable HAS_RECOVERY_MRC_CACHE config and add RECOVERY_MRC_CACHE FMAP
section to cache the MRC training data in recovery mode.

BUG=b:270569389
TEST=Build and boot to OS in Skyrim. Ensure that the Type 0x63 BIOS
directory entry is populated with the appropriate MRC_CACHE FMAP
section.

Change-Id: I3f0f41c20b61c96473e887521f84f3ad240adc2b
Signed-off-by: Karthikeyan Ramasubramanian 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73250
Tested-by: build bot (Jenkins) 
Reviewed-by: Raul Rangel 
Reviewed-by: Tim Van Patten 
---
M src/mainboard/google/skyrim/Kconfig
M src/mainboard/google/skyrim/chromeos.fmd
2 files changed, 24 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Raul Rangel: Looks good to me, approved
  Tim Van Patten: Looks good to me, approved

diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig
index 13fb804..22caf51 100644
--- a/src/mainboard/google/skyrim/Kconfig
+++ b/src/mainboard/google/skyrim/Kconfig
@@ -36,6 +36,7 @@
    select FW_CONFIG
    select FW_CONFIG_SOURCE_CHROMEEC_CBI
    select GOOGLE_SMBIOS_MAINBOARD_VERSION
+	select HAS_RECOVERY_MRC_CACHE
    select I2C_TPM
    select MAINBOARD_HAS_CHROMEOS
    select MAINBOARD_HAS_TPM2
diff --git a/src/mainboard/google/skyrim/chromeos.fmd b/src/mainboard/google/skyrim/chromeos.fmd
index 07d5f46..217fa98 100644
--- a/src/mainboard/google/skyrim/chromeos.fmd
+++ b/src/mainboard/google/skyrim/chromeos.fmd
@@ -22,6 +22,7 @@
    	RW_NVRAM(PRESERVE) 20K
    	SMMSTORE(PRESERVE)@0x630000 64K
    	RW_VBIOS_CACHE 64K
+		RECOVERY_MRC_CACHE(PRESERVE) 120K
    	RW_LEGACY(CBFS)
    	WP_RO@8M 8M {
    		RO_VPD(PRESERVE) 16K