[PATCH 1/4] arm: mvebu: limit OpenBlocks AX3-4 to 1 GB of RAM

[Thomas Petazzoni]

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
This is a fix for 3.8, should be pushed for some 3.8-rc.
---
 arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
index 72a9dd0..3e9ee1b 100644
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -23,7 +23,13 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0x00000000 0xC0000000>; /* 3 GB */
+		/*
+		 * The board has an additional 2 GB DRAM chip in an
+		 * expansion slot, but using it makes the system very
+		 * unstable: it even doesn't boot reliably. So we use
+		 * only the soldered 1 GB chip for now.
+		 */
+		reg = <0x00000000 0x40000000>; /* 1 GB */
 	};
 
 	soc {
-- 
1.7.9.5