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authorSubrata Banik <subrata.banik@intel.com>2019-11-01 15:44:17 +0530
committerSubrata Banik <subrata.banik@intel.com>2019-11-04 08:20:28 +0000
commit14d59912f8cdbec7e0121042c43e5728dc361509 (patch)
treed573786008c760b20004b22460ab07aae5a188af
parent645f244fd08b463b93c50c9d71e3767e1c9ef91a (diff)
soc/intel/icelake: Add alignment check for TSEG base and size
This patch ensures to not set SMRR if TSEG base is not align with TSEG size Change-Id: I77d1cb2fd287f45859cde37a564ea7c147d5633f Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36542 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/soc/intel/icelake/smmrelocate.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/icelake/smmrelocate.c b/src/soc/intel/icelake/smmrelocate.c
index edcc49db5e..8f56ad6650 100644
--- a/src/soc/intel/icelake/smmrelocate.c
+++ b/src/soc/intel/icelake/smmrelocate.c
@@ -178,6 +178,13 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
const u32 rmask = ~(4 * KiB - 1);
smm_region(&tseg_base, &tseg_size);
+
+ if (!IS_ALIGNED(tseg_base, tseg_size)) {
+ printk(BIOS_WARNING,
+ "TSEG base not aligned with TSEG SIZE! Not setting SMRR\n");
+ return;
+ }
+
smm_subregion(SMM_SUBREGION_CHIPSET, &params->ied_base, &params->ied_size);
/* SMRR has 32-bits of valid address aligned to 4KiB. */