arm64: dts: mediatek: mt7981b: Add reserved memory for TF-A

Add memory range handled by ARM Trusted Firmware

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 4fa35bbf0a9cd4199bd4f9e62bf84d765559d931..130ce2fda39953f71b4c40427c38c2495c976d7a 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -41,6 +41,18 @@
                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;