diff options
| author | Matt DeVillier <matt.devillier@amd.corp-partner.google.com> | 2023-01-23 18:38:45 -0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-02-13 14:56:48 +0000 |
| commit | 1fbc1123d798137324cc8876db6386584c475da1 (patch) | |
| tree | d01ab54ffed0756d3610e82d741ad876c567bce4 /src/soc/amd/common/block/graphics/Kconfig | |
| parent | 9ce755d05ed56753105bce6f4d75f4ddbc98cb26 (diff) | |
soc/amd/common/block/gfx: Use TPM-stored hash for vbios cache validation
Write the SHA256 hash of the cached VBIOS data when saving to FMAP,
and use it to validate the data read from FMAP on subsequent boots.
Add TPM2 as a dependency to the selection of VBIOS_CACHE_IN_FMAP.
BUG=b:255812886
TEST=tested with rest of patch train
Change-Id: I9c8f23b000b90a1072aeb7a57d3b7b2b2bc626dc
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72402
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block/graphics/Kconfig')
| -rw-r--r-- | src/soc/amd/common/block/graphics/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/graphics/Kconfig b/src/soc/amd/common/block/graphics/Kconfig index 511f304373..75b4013138 100644 --- a/src/soc/amd/common/block/graphics/Kconfig +++ b/src/soc/amd/common/block/graphics/Kconfig @@ -13,7 +13,7 @@ config SOC_AMD_COMMON_BLOCK_GRAPHICS_ATIF config SOC_AMD_GFX_CACHE_VBIOS_IN_FMAP bool "Support for caching modified VBIOS tables in flash" - depends on SOC_AMD_COMMON_BLOCK_GRAPHICS && CHROMEOS && RUN_FSP_GOP + depends on SOC_AMD_COMMON_BLOCK_GRAPHICS && CHROMEOS && RUN_FSP_GOP && TPM2 default n help Enable support for flash based VBIOS cache. |