1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/armada-xp-matrix.dts b/arch/arm/boot/dts/armada-xp-matrix.dts
index e47c49ecd55c..c2242745b9b8 100644
--- a/arch/arm/boot/dts/armada-xp-matrix.dts
+++ b/arch/arm/boot/dts/armada-xp-matrix.dts
@@ -23,7 +23,12 @@
 
         memory {
                 device_type = "memory";
-                reg = <0 0x00000000 0 0x80000000>; /* 2 GB */
+                /*
+                 * This board has 4 GB of RAM, but the last 256 MB of
+                 * RAM are not usable due to the overlap with the MBus
+                 * Window address range
+                 */
+                reg = <0 0x00000000 0 0xf0000000>;
         };
 
         soc {