diff --git a/arch/x86/cpu/baytrail/fsp_configs.c b/arch/x86/cpu/baytrail/fsp_configs.c
index d49b8d2..365e0dd 100644
--- a/arch/x86/cpu/baytrail/fsp_configs.c
+++ b/arch/x86/cpu/baytrail/fsp_configs.c
@@ -148,7 +148,7 @@ void update_fsp_configs(struct fsp_config_data *config,
 
 	fsp_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node,
 						     "fsp,mrc-init-tseg-size",
-						     0);
+						     1);
 	fsp_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node,
 						     "fsp,mrc-init-mmio-size",
 						     0x800);
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index 1ae058d..42a8131 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -236,7 +236,7 @@
 
 	fsp {
 		compatible = "intel,baytrail-fsp";
-		fsp,mrc-init-tseg-size = <0>;
+		fsp,mrc-init-tseg-size = <1>;
 		fsp,mrc-init-mmio-size = <0x800>;
 		fsp,mrc-init-spd-addr1 = <0xa0>;
 		fsp,mrc-init-spd-addr2 = <0xa2>;
diff --git a/arch/x86/dts/baytrail_som-db5800-som-6867.dts b/arch/x86/dts/baytrail_som-db5800-som-6867.dts
index aa8bfb8..d4199a3 100644
--- a/arch/x86/dts/baytrail_som-db5800-som-6867.dts
+++ b/arch/x86/dts/baytrail_som-db5800-som-6867.dts
@@ -259,7 +259,7 @@
 
 	fsp {
 		compatible = "intel,baytrail-fsp";
-		fsp,mrc-init-tseg-size = <0>;
+		fsp,mrc-init-tseg-size = <1>;
 		fsp,mrc-init-mmio-size = <0x800>;
 		fsp,mrc-init-spd-addr1 = <0xa0>;
 		fsp,mrc-init-spd-addr2 = <0xa2>;
diff --git a/arch/x86/dts/conga-qeval20-qa3-e3845.dts b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
index 898e9c9..904197a 100644
--- a/arch/x86/dts/conga-qeval20-qa3-e3845.dts
+++ b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
@@ -246,7 +246,7 @@
 
 	fsp {
 		compatible = "intel,baytrail-fsp";
-		fsp,mrc-init-tseg-size = <0>;
+		fsp,mrc-init-tseg-size = <1>;
 		fsp,mrc-init-mmio-size = <0x800>;
 		fsp,mrc-init-spd-addr1 = <0xa0>;
 		fsp,mrc-init-spd-addr2 = <0xa2>;
diff --git a/arch/x86/dts/dfi-bt700.dtsi b/arch/x86/dts/dfi-bt700.dtsi
index 546981a..a369e73 100644
--- a/arch/x86/dts/dfi-bt700.dtsi
+++ b/arch/x86/dts/dfi-bt700.dtsi
@@ -248,7 +248,7 @@
 
 	fsp {
 		compatible = "intel,baytrail-fsp";
-		fsp,mrc-init-tseg-size = <0>;
+		fsp,mrc-init-tseg-size = <1>;
 		fsp,mrc-init-mmio-size = <0x800>;
 		fsp,mrc-init-spd-addr1 = <0xa0>;
 		fsp,mrc-init-spd-addr2 = <0xa2>;
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index af64c68..4d55abb 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -260,7 +260,7 @@
 
 	fsp {
 		compatible = "intel,baytrail-fsp";
-		fsp,mrc-init-tseg-size = <0>;
+		fsp,mrc-init-tseg-size = <1>;
 		fsp,mrc-init-mmio-size = <0x800>;
 		fsp,mrc-init-spd-addr1 = <0xa0>;
 		fsp,mrc-init-spd-addr2 = <0xa2>;