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-rw-r--r--src/soc/intel/cannonlake/smmrelocate.c6
-rw-r--r--src/soc/intel/skylake/smmrelocate.c6
2 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/smmrelocate.c b/src/soc/intel/cannonlake/smmrelocate.c
index 05bd1f7730..7d189eadf2 100644
--- a/src/soc/intel/cannonlake/smmrelocate.c
+++ b/src/soc/intel/cannonlake/smmrelocate.c
@@ -152,6 +152,12 @@ 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. */
diff --git a/src/soc/intel/skylake/smmrelocate.c b/src/soc/intel/skylake/smmrelocate.c
index 05bd1f7730..7d189eadf2 100644
--- a/src/soc/intel/skylake/smmrelocate.c
+++ b/src/soc/intel/skylake/smmrelocate.c
@@ -152,6 +152,12 @@ 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. */