3 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/smm.h b/src/soc/intel/common/block/include/intelblocks/smm.h
index 09378b9463..01d820b4b2 100644
--- a/src/soc/intel/common/block/include/intelblocks/smm.h
+++ b/src/soc/intel/common/block/include/intelblocks/smm.h
@@ -30,5 +30,7 @@
  */
 void smm_southbridge_clear_state(void);
 void smm_southbridge_enable(void);
+/* API to get SMM region start and size based on Host Bridge register */
+void smm_region_info(void **start, size_t *size);
 
 #endif
diff --git a/src/soc/intel/common/block/smm/Makefile.inc b/src/soc/intel/common/block/smm/Makefile.inc
index e50562513e..82a3191e25 100644
--- a/src/soc/intel/common/block/smm/Makefile.inc
+++ b/src/soc/intel/common/block/smm/Makefile.inc
@@ -1,3 +1,6 @@
+bootblock-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM) += smm.c
+romstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM) += smm.c
+postcar-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM) += smm.c
 ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM) += smm.c
 smm-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM) += smihandler.c
 smm-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP) += smitraphandler.c
diff --git a/src/soc/intel/common/block/smm/smm.c b/src/soc/intel/common/block/smm/smm.c
index 41f3426c11..8428fca2c7 100644
--- a/src/soc/intel/common/block/smm/smm.c
+++ b/src/soc/intel/common/block/smm/smm.c
@@ -19,6 +19,7 @@
 #include <cpu/x86/smm.h>
 #include <intelblocks/pmclib.h>
 #include <intelblocks/smm.h>
+#include <intelblocks/systemagent.h>
 #include <soc/pm.h>
 
 void smm_southbridge_clear_state(void)
@@ -77,3 +78,9 @@ void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
 		  "d" (APM_CNT)
 	);
 }
+
+void smm_region_info(void **start, size_t *size)
+{
+	*start = (void *)sa_get_tseg_base();
+	*size = sa_get_tseg_size();
+}