On 26/01/2022 05:49, Christian Hewitt wrote:
> Add an additional reserved memory region for the BL32 trusted firmware
> present in many devices that boot from Amlogic vendor u-boot.
>
> Suggested-by: Mateusz Krzak <kszaquitto@xxxxxxxxx>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> index 6b457b2c30a4..aa14ea017a61 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> @@ -49,6 +49,12 @@
> no-map;
> };
>
> + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
> + secmon_reserved_bl32: secmon@5300000 {
> + reg = <0x0 0x05300000 0x0 0x2000000>;
> + no-map;
> + };
> +
> linux,cma {
> compatible = "shared-dma-pool";
> reusable;
>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
