From: Marek Szyprowski m.szyprowski@samsung.com
commit bed903167ae5b5532eda5d7db26de451bd232da5 upstream.
Commit ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node") changed the address and size cells in root node from 2 to 1, but /memory nodes for the affected boards were not updated. This went unnoticed on Exynos5433-based TM2(e) boards, because they use u-boot, which updates /memory node to the correct values. On the other hand, the mentioned commit broke boot on Exynos7-based Espresso board, which bootloader doesn't touch /memory node at all.
This patch reverts commit ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node"), so Exynos5433 and Exynos7 SoCs again matches other ARM64 platforms with 64bit mappings in root node.
Reported-by: Alim Akhtar alim.akhtar@samsung.com Fixes: ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node") Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com Cc: stable@vger.kernel.org # 5.3.x: 72ddcf6aa224 arm64: dts: exynos: Move GPU under /soc node for Exynos5433 Cc: stable@vger.kernel.org # 5.3.x: ede87c3a2bdb arm64: dts: exynos: Move GPU under /soc node for Exynos7 Cc: stable@vger.kernel.org # 4.18.x Tested-by: Alim Akhtar alim.akhtar@samsung.com Signed-off-by: Krzysztof Kozlowski krzk@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 6 +++--- arch/arm64/boot/dts/exynos/exynos7.dtsi | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-)
--- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -18,8 +18,8 @@
/ { compatible = "samsung,exynos5433"; - #address-cells = <1>; - #size-cells = <1>; + #address-cells = <2>; + #size-cells = <2>;
interrupt-parent = <&gic>;
@@ -311,7 +311,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0x0 0x0 0x0 0x18000000>;
chipid@10000000 { compatible = "samsung,exynos4210-chipid"; --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -12,8 +12,8 @@ / { compatible = "samsung,exynos7"; interrupt-parent = <&gic>; - #address-cells = <1>; - #size-cells = <1>; + #address-cells = <2>; + #size-cells = <2>;
aliases { pinctrl0 = &pinctrl_alive; @@ -98,7 +98,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0 0 0 0x18000000>;
chipid@10000000 { compatible = "samsung,exynos4210-chipid";