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Date:   Fri, 23 Dec 2016 13:52:13 +0100
From:   Heinrich Schuchardt <>
To:     Rob Herring <>,
        Mark Rutland <>,
        Catalin Marinas <>,
        Will Deacon <>,
        Carlo Caione <>,
        Kevin Hilman <>,
        Neil Armstrong <>
        Heinrich Schuchardt <>
Subject: [PATCH 1/1] ARM64: dts: meson-gxbb-odroidc2: linux,usable-memory

After reading the fdt u-boot overwrites the reg property of the
memory node with <0x0 0x0 0x0 0x78000000>.

To override this setting we have to use the property

If the first 16MB of the 2GB physical memory are used by
the Linux kernel oops occur on the Odroid C2.

For the Odroid C2 this patch replaces
[RFT PATCH] ARM64: dts: meson-gxbb: Add reserved memory zone and
usable memory range

Fixes: 855960342d1e7 ARM64: dts: amlogic: add Hardkernel ODROID-C2
CC: Neil Armstrong <>
CC: Kevin Hilman <>
Signed-off-by: Heinrich Schuchardt <>
 arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 238fbeacd330..82ab94417940 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -61,7 +61,7 @@
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x0 0x0 0x80000000>;
+		linux,usable-memory = <0x0 0x01000000 0x0 0x7f000000>;
 	usb_otg_pwr: regulator-usb-pwrs {

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