From 28f917d1a84afc86853513351cb0320844f51265 Mon Sep 17 00:00:00 2001 From: Aaron Kling Date: Sun, 3 Aug 2025 22:14:30 -0500 Subject: [PATCH] arm64: tegra: Add reserved-memory node for P3450 The Tegra210 L4T bootloader RAM training will corrupt the in-RAM kernel DT if no reserved-memory node exists. This prevents said bootloader from being able to boot a kernel without this node, unless a chainloaded bootloader loads the DT. Add the node to eliminate the requirement for extra boot stages. Signed-off-by: Aaron Kling Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index f1d2606d9808a..99b75a6b2dfeb 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -22,6 +22,12 @@ stdout-path = "serial0:115200n8"; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + }; + memory@80000000 { device_type = "memory"; reg = <0x0 0x80000000 0x1 0x0>; -- 2.47.3