From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Sat, 24 Jan 2015 04:08:09 +0000 (+0900)
Subject: ARM: dts: reduce total RAM by 22 MiB for exynos5422-odroidxu3
X-Git-Tag: firefly_0821_release~176^2~2307^2~6^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6591a02e17e6d6587c3cf7588d523fa6f26b584a;p=firefly-linux-kernel-4.4.55.git

ARM: dts: reduce total RAM by 22 MiB for exynos5422-odroidxu3

Last 22 MiB is RAM is reserved by secure monitor code and cannot be
accessed from Linux kernel, so adjust total RAM size to 0x7EA00000
(2 GiB - 22 MiB). This fixes random 'imprecise kernel abort' kernel
failures.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
---

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
index 38694a4a5417..a519c863248d 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
@@ -18,7 +18,7 @@
 	compatible = "hardkernel,odroid-xu3", "samsung,exynos5800", "samsung,exynos5";
 
 	memory {
-		reg = <0x40000000 0x80000000>;
+		reg = <0x40000000 0x7EA00000>;
 	};
 
 	chosen {