diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index 4ced781..0484b17 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -368,4 +368,16 @@
 
 endif
 
+config SI_DESC_REGION
+	string "Descriptor Region name"
+	default "SI_DESC"
+	help
+	  Name of Descriptor Region in the FMAP
+
+config SI_DESC_REGION_SZ
+	int
+	default 4096
+	help
+	  Size of Descriptor Region in the FMAP
+
 endif