[PATCH] arm64: zynqmp: Fix the memory node for k26/k24 kria som boards

[Michal Simek]

On 6/5/23 13:59, Michal Simek wrote:
> From: Sharath Kumar Dasari <sharath.kumar.dasari at xilinx.com>
> 
> PMUFW requires top 1MB of the lower DDR memory reserved for its operation,
> this is missing in k26/k24 sm static dts files because of which U-Boot
> throws warning messages "efi_free_pool: illegal free" as EFI puts
> some code to that space which shouldn't happen.
> 
> Signed-off-by: Sharath Kumar Dasari <sharath.kumar.dasari at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
> 
>   arch/arm/dts/zynqmp-sm-k26-revA.dts | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts
> index f6ed047f3d9c..eac0b55de368 100644
> --- a/arch/arm/dts/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts
> @@ -50,6 +50,17 @@
>   		reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
>   	};
>   
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		pmu_region: pmu at 7ff00000 {
> +			reg = <0x0 0x7ff00000 0x0 0x100000>;
> +			no-map;
> +		};
> +	};
> +
>   	gpio-keys {
>   		compatible = "gpio-keys";
>   		autorepeat;

applied.
M