[PATCH v2 02/15] arm64: dts: mediatek: mt7981b: Add reserved memory for TF-A
From: Sjoerd Simons <hidden>
Date: 2025-11-01 13:33:00
Also in:
linux-arm-kernel, linux-devicetree, linux-mediatek, linux-pci, linux-phy, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Add memory range handled by ARM Trusted Firmware Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Sjoerd Simons <redacted> --- arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 4fa35bbf0a9cd..130ce2fda3995 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi@@ -41,6 +41,18 @@ psci { method = "smc"; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 192 KiB reserved for ARM Trusted Firmware (BL31) */ + secmon_reserved: secmon@43000000 { + reg = <0 0x43000000 0 0x30000>; + no-map; + }; + }; + soc { compatible = "simple-bus"; ranges;
--
2.51.0