diff --git a/src/mainboard/amd/birman_plus/board_glinda.fmd b/src/mainboard/amd/birman_plus/board_glinda.fmd
index 756709044e..17673b5156 100644
--- a/src/mainboard/amd/birman_plus/board_glinda.fmd
+++ b/src/mainboard/amd/birman_plus/board_glinda.fmd
@@ -3,6 +3,7 @@ FLASH@0xFF000000 16M {
 		EC_SIG 4K
 		FMAP 4K
 		COREBOOT(CBFS)
+		SMMSTORE(PRESERVE) 256K
 		EC_BODY@15872K 256K
 		RW_MRC_CACHE 120K
 	}