diff --git a/arch/powerpc/boot/dts/tqm8548-bigflash.dts b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
index 29a2b6f..2730467 100644
--- a/arch/powerpc/boot/dts/tqm8548-bigflash.dts
+++ b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
@@ -389,6 +389,11 @@
 			reg = <3 0x0 0x800>;
 			fsl,upm-addr-offset = <0x10>;
 			fsl,upm-cmd-offset = <0x08>;
+			fsl,upm-wait-flags = <0x5>;
+			/* Multi-chip device */
+			fsl,upm-mar-chip-offset = <0x200>;
+			num-chips = <2>;
+			chip-offset = <0x200>;
 			chip-delay = <25>; // in micro-seconds
 
 			nand@0 {
@@ -397,7 +402,7 @@
 
 				partition@0 {
 					    label = "fs";
-					    reg = <0x00000000 0x01000000>;
+					    reg = <0x00000000 0x10000000>;
 				};
 			};
 		};
diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
index 81d3fbb..d7477fc 100644
--- a/arch/powerpc/boot/dts/tqm8548.dts
+++ b/arch/powerpc/boot/dts/tqm8548.dts
@@ -389,6 +389,11 @@
 			reg = <3 0x0 0x800>;
 			fsl,upm-addr-offset = <0x10>;
 			fsl,upm-cmd-offset = <0x08>;
+			fsl,upm-wait-flags = <0x5>;
+			/* Multi-chip device */
+			fsl,upm-mar-chip-offset = <0x200>;
+			num-chips = <2>;
+			chip-offset = <0x200>;
 			chip-delay = <25>; // in micro-seconds
 
 			nand@0 {
@@ -397,7 +402,7 @@
 
 				partition@0 {
 					    label = "fs";
-					    reg = <0x00000000 0x01000000>;
+					    reg = <0x00000000 0x10000000>;
 				};
 			};
 		};