diff --git a/src/mainboard/amd/birman_plus/board_phoenix.fmd b/src/mainboard/amd/birman_plus/board_phoenix.fmd
index 4f5598cd77..1335409418 100644
--- a/src/mainboard/amd/birman_plus/board_phoenix.fmd
+++ b/src/mainboard/amd/birman_plus/board_phoenix.fmd
@@ -1,5 +1,5 @@
-FLASH 16M {
-	BIOS {
+FLASH 64M {
+	BIOS 16M {
 		EC_SIG 4K
 		FMAP 4K
 		COREBOOT(CBFS)
diff --git a/src/mainboard/amd/birman_plus/chromeos_glinda.fmd b/src/mainboard/amd/birman_plus/chromeos_glinda.fmd
index 9cc4fbd050..de5bcc788f 100644
--- a/src/mainboard/amd/birman_plus/chromeos_glinda.fmd
+++ b/src/mainboard/amd/birman_plus/chromeos_glinda.fmd
@@ -1,5 +1,5 @@
-FLASH 16M {
-	SI_BIOS {
+FLASH 64M {
+	SI_BIOS 16M {
 		WP_RO 8M {
 			EC_SIG 4K
 			RO_VPD(PRESERVE) 16K
diff --git a/src/mainboard/amd/birman_plus/chromeos_phoenix.fmd b/src/mainboard/amd/birman_plus/chromeos_phoenix.fmd
index 9cc4fbd050..de5bcc788f 100644
--- a/src/mainboard/amd/birman_plus/chromeos_phoenix.fmd
+++ b/src/mainboard/amd/birman_plus/chromeos_phoenix.fmd
@@ -1,5 +1,5 @@
-FLASH 16M {
-	SI_BIOS {
+FLASH 64M {
+	SI_BIOS 16M {
 		WP_RO 8M {
 			EC_SIG 4K
 			RO_VPD(PRESERVE) 16K