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| author |   Artur Weber <aweber.kernel@gmail.com> | 2024-02-17 20:02:47 +0100 |
|---|---|---|
| committer |   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-03-26 10:06:05 +0100 |
| commit | 7bff1d35c1294c011b0269b8eaeb8f930df386fe (patch) | |
| tree | 5f7cca0beafb11514f9840ad8cdcfb1fce377c32 | |
| parent | ARM: dts: samsung: s5pv210: specify the SPI FIFO depth (diff) | |
| download | wireguard-linux-7bff1d35c1294c011b0269b8eaeb8f930df386fe.tar.xz wireguard-linux-7bff1d35c1294c011b0269b8eaeb8f930df386fe.zip | |
ARM: dts: exynos4212-tab3: limit usable memory range
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@gmail.com>
Reviewed-by: Henrik Grimler <henrik@grimler.se>
Link: https://lore.kernel.org/r/20240217-tab3-limit-usable-memory-range-v1-1-49cc9c86a5cc@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
| -rw-r--r-- | arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 6 |
1 files changed, 6 insertions, 0 deletions
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 @@ /* 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 { |