diff --git a/arch/arm/dts/socfpga_agilex.dtsi b/arch/arm/dts/socfpga_agilex.dtsi
index c3ead2d72b9..712304d07a4 100644
--- a/arch/arm/dts/socfpga_agilex.dtsi
+++ b/arch/arm/dts/socfpga_agilex.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier:     GPL-2.0
 /*
- * Copyright (C) 2019, Intel Corporation
+ * Copyright (C) 2019-2023 Intel Corporation <www.intel.com>
  */
 
 /dts-v1/;
@@ -20,7 +20,7 @@
 
 		service_reserved: svcbuffer@0 {
 			compatible = "shared-dma-pool";
-			reg = <0x0 0x0 0x0 0x1000000>;
+			reg = <0x0 0x0 0x0 0x2000000>;
 			alignment = <0x1000>;
 			no-map;
 		};