diff --git a/src/soc/intel/baytrail/memmap.c b/src/soc/intel/baytrail/memmap.c
index aa8e890..43b96c1 100644
--- a/src/soc/intel/baytrail/memmap.c
+++ b/src/soc/intel/baytrail/memmap.c
@@ -16,9 +16,9 @@
 	return CONFIG_SMM_TSEG_SIZE;
 }
 
-void *cbmem_top_chipset(void)
+uintptr_t cbmem_top_chipset(void)
 {
-	return (void *) smm_region_start();
+	return smm_region_start();
 }
 
 void smm_region(uintptr_t *start, size_t *size)