The stock bootloader on the Samsung Galaxy Tab 3 8.0 provides an incorrect available memory range over ATAG_MEM. Limit the usable memory in the DTS to prevent it from doing so, without having to disable ATAG support. Signed-off-by: Artur Weber <aweber.kernel@xxxxxxxxx> --- arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi index e5254e32aa8f..9bc05961577d 100644 --- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi @@ -45,6 +45,12 @@ chosen { /* Default S-BOOT bootloader loads initramfs here */ linux,initrd-start = <0x42000000>; linux,initrd-end = <0x42800000>; + + /* + * Stock bootloader provides incorrect memory size in ATAG_MEM; + * override it here + */ + linux,usable-memory-range = <0x40000000 0x3fc00000>; }; firmware@204f000 { --- base-commit: 0f1dd5e91e2ba3990143645faff2bcce2d99778e change-id: 20240217-tab3-limit-usable-memory-range-1d1ffa8dc44d Best regards, -- Artur Weber <aweber.kernel@xxxxxxxxx>