diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index 1bba5ad7378e..9a09301dd79e 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -163,15 +163,16 @@ reserved-memory {
 		ranges;
 
 		/* LPC FW cycle bridge region requires natural alignment */
-		flash_memory: region@b8000000 {
+		flash_memory: region@b0000000 {
 			no-map;
-			reg = <0xb8000000 0x04000000>; /* 64M */
+			reg = <0xb0000000 0x04000000>; /* 64M */
 		};
 
-		/* 48MB region from the end of flash to start of vga memory */
-		ramoops@bc000000 {
+		/* 176MB region from the end of flash to start of vga memory */
+
+		ramoops@b4000000 {
 			compatible = "ramoops";
-			reg = <0xbc000000 0x200000>; /* 16 * (4 * 0x8000) */
+			reg = <0xb4000000 0x200000>; /* 16 * (4 * 0x8000) */
 			record-size = <0x8000>;
 			console-size = <0x8000>;
 			ftrace-size = <0x8000>;
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 8bd2f441b159..01e7d8f46dc7 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -95,14 +95,17 @@ reserved-memory {
 		#size-cells = <1>;
 		ranges;
 
-		flash_memory: region@b8000000 {
+		/* LPC FW cycle bridge region requires natural alignment */
+		flash_memory: region@b0000000 {
 			no-map;
-			reg = <0xb8000000 0x04000000>; /* 64M */
+			reg = <0xb0000000 0x04000000>; /* 64M */
 		};
 
-		ramoops@bc000000 {
+		/* 176MB region from the end of flash to start of vga memory */
+
+		ramoops@b4000000 {
 			compatible = "ramoops";
-			reg = <0xbc000000 0x200000>; /* 16 * (4 * 0x8000) */
+			reg = <0xb4000000 0x200000>; /* 16 * (4 * 0x8000) */
 			record-size = <0x8000>;
 			console-size = <0x8000>;
 			ftrace-size = <0x8000>;
@@ -110,6 +113,7 @@ ramoops@bc000000 {
 			max-reason = <3>; /* KMSG_DUMP_EMERG */
 		};
 
+		/* VGA region is dictated by hardware strapping */
 		vga_memory: region@bf000000 {
 			no-map;
 			compatible = "shared-dma-pool";