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 38694a4..a519c86 100644 (file)
--- 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 {