diff --git a/arch/riscv/dts/fu540-c000-u-boot.dtsi b/arch/riscv/dts/fu540-c000-u-boot.dtsi
index 0d3f710..35c153d 100644
--- a/arch/riscv/dts/fu540-c000-u-boot.dtsi
+++ b/arch/riscv/dts/fu540-c000-u-boot.dtsi
@@ -50,7 +50,7 @@
 		u-boot,dm-spl;
 		otp: otp@10070000 {
 			compatible = "sifive,fu540-c000-otp";
-			reg = <0x0 0x10070000 0x0 0x0FFF>;
+			reg = <0x0 0x10070000 0x0 0x1000>;
 			fuse-count = <0x1000>;
 		};
 		clint@2000000 {
@@ -63,7 +63,7 @@
 			compatible = "sifive,fu540-c000-ddr";
 			reg = <0x0 0x100b0000 0x0 0x0800
 			       0x0 0x100b2000 0x0 0x2000
-			       0x0 0x100b8000 0x0 0x0fff>;
+			       0x0 0x100b8000 0x0 0x1000>;
 			clocks = <&prci PRCI_CLK_DDRPLL>;
 			clock-frequency = <933333324>;
 			u-boot,dm-spl;