diff --git a/qcom/tuna-reserved-memory.dtsi b/qcom/tuna-reserved-memory.dtsi
index 3ee901c5..55f93d2e 100644
--- a/qcom/tuna-reserved-memory.dtsi
+++ b/qcom/tuna-reserved-memory.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 /*
- * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 &reserved_memory {
@@ -18,9 +18,9 @@
 		reg = <0x0 0x80e00000 0x0 0x400000>;
 	};
 
-	cpucp_pdp_mem: cpucp_region@81200000 {
+	cpucp_mem: cpucp_region@81200000 {
 		no-map;
-		reg = <0x0 0x81200000 0x0 0x200000>;
+		reg = <0x0 0x81200000 0x0 0x100000>;
 	};
 
 	/*
@@ -77,9 +77,9 @@
 		no-map;
 	};
 
-	cpucp_scandump_mem: cpucp_scandump_region@82000000 {
+	cpucp_scandump_mem: cpucp_scandump_region@82200000 {
 		no-map;
-		reg = <0x0 0x82000000 0x0 0x380000>;
+		reg = <0x0 0x82200000 0x0 0x180000>;
 	};
 
 	adsp_mhi_mem: adsp_mhi_region@82380000 {