diff --git a/tegra234.dtsi b/tegra234.dtsi
index e977606..480bae6 100644
--- a/tegra234.dtsi
+++ b/tegra234.dtsi
@@ -2963,6 +2963,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x40000000 0x80000>;
+		no-memory-wc;
 
 		cpu_bpmp_tx: sram@70000 {
 			reg = <0x70000 0x1000>;