From d6c38bab05015d9f70ff4881daa0a91d9d56d493 Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko@sntech.de>
Date: Sat, 1 Aug 2015 13:00:49 +0200
Subject: [PATCH 1/2] ARM: dts: rockchip: reserve unusable memory region on rk3288

The rk3288 has problems accessing the memory region 0xfe000000~0xff000000.
So block off the affected region to prevent its use.

Tested on 4GB Veyron Minnie and 2GB Veyron Jerry devices.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm/boot/dts/rk3288.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 2db91c9..19766af 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -169,6 +169,16 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		unusable@fe000000 {
+			reg = <0xfe000000 0x1000000>;
+		};
+	};
+
 	xin24m: oscillator {
 		compatible = "fixed-clock";
 		clock-frequency = <24000000>;
-- 
2.1.4