diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 0e9afc3e2f26..9eca18b54698 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1820,6 +1820,7 @@ sram@30000000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x30000000 0x50000>;
+		no-memory-wc;
 
 		cpu_bpmp_tx: sram@4e000 {
 			reg = <0x4e000 0x1000>;
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index d1f8248c00f4..3fdb0b852718 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -2684,6 +2684,7 @@ sram@40000000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x40000000 0x50000>;
+		no-memory-wc;
 
 		cpu_bpmp_tx: sram@4e000 {
 			reg = <0x4e000 0x1000>;
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index cb3af539e477..0213a7e3dad0 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -1325,6 +1325,7 @@ sram@40000000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x40000000 0x80000>;
+		no-memory-wc;
 
 		cpu_bpmp_tx: sram@70000 {
 			reg = <0x70000 0x1000>;