--- a/arch/powerpc/boot/dts/taishan.dts
+++ b/arch/powerpc/boot/dts/taishan.dts
@@ -195,15 +195,15 @@
 					#size-cells = <1>;
 					partition@0 {
 						label = "kernel";
-						reg = <0x0 0x180000>;
+						reg = <0x0 0x200000>;
 					};
-					partition@180000 {
-						label = "root";
-						reg = <0x180000 0x200000>;
+					partition@200000 {
+						label = "rootfs";
+						reg = <0x200000 0x3c00000>;
 					};
-					partition@380000 {
-						label = "user";
-						reg = <0x380000 0x3bc0000>;
+					partition@3e00000 {
+						label = "diagnostics";
+						reg = <0x3e00000 0x140000>;
 					};
 					partition@3f40000 {
 						label = "env";