[PATCH 03/15] arm64: dts: mediatek: mt7981b: Add reserved memory for TF-A

[AngeloGioacchino Del Regno]

Il 16/10/25 12:08, Sjoerd Simons ha scritto:
> Add memory range handled by ARM Trusted Firmware
> 
> Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
>   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 6b024156fa7c5..b477375078ccd 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 at 43000000 {
> +			reg = <0 0x43000000 0 0x30000>;
> +			no-map;
> +		};
> +	};
> +
>   	soc {
>   		compatible = "simple-bus";
>   		ranges;
>