diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 9f48141270b8..28ff6e4cd54e 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -686,6 +686,7 @@ L2: l2-cache@fffef000 {
 			arm,data-latency = <2 1 1>;
 			prefetch-data = <1>;
 			prefetch-instr = <1>;
+			arm,shared-override;
 		};
 
 		mmc: dwmmc0@ff704000 {
diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index f520cbff5e1c..ac0e19ca14b0 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -573,6 +573,9 @@ L2: l2-cache@fffff000 {
 			interrupts = <0 18 IRQ_TYPE_LEVEL_HIGH>;
 			cache-unified;
 			cache-level = <2>;
+			prefetch-data = <1>;
+			prefetch-instr = <1>;
+			arm,shared-override;
 		};
 
 		mmc: dwmmc0@ff808000 {