linux-kernel - Re: [PATCH 5/7] arm64: dts: qcom: sa8775p: add the pcie smmu node

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Message-ID: <b520f8c8-5ab6-79f6-7eef-28f6f14f536e@linaro.org>
Date:   Wed, 29 Mar 2023 13:33:09 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 5/7] arm64: dts: qcom: sa8775p: add the pcie smmu node



On 28.03.2023 21:36, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Add the PCIe SMMU node for sa8775p platforms.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 74 +++++++++++++++++++++++++++
>  1 file changed, 74 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 2343df7e0ea4..9ab630c7d81b 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -809,6 +809,80 @@ apps_smmu: iommu@...00000 {
>  				     <GIC_SPI 891 IRQ_TYPE_LEVEL_HIGH>;
>  		};
>  
> +		pcie_smmu: iommu@...00000 {
> +			compatible = "qcom,sa8775p-smmu-500", "qcom,smmu-500", "arm,mmu-500";
> +			reg = <0x0 0x15200000 0x0 0x800000>;
> +			#iommu-cells = <2>;
> +			#global-interrupts = <2>;
> +
> +			interrupts = <GIC_SPI 920 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 921 IRQ_TYPE_LEVEL_HIGH>,
That's a lot of interrupts!

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> +				     <GIC_SPI 925 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 926 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 927 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 928 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 950 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 951 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 952 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 953 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 954 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 955 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 956 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 957 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 958 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 885 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 886 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 887 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 888 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 820 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 823 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 446 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 447 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 452 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 842 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 843 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 844 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 845 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 847 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 848 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 849 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 802 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 803 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 804 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 805 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 806 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 807 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 808 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 809 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 810 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 811 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 812 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 813 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 814 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 836 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 837 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 838 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 839 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 854 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 855 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 856 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 790 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 791 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 792 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 794 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 795 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 796 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 639 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 640 IRQ_TYPE_LEVEL_HIGH>;
> +		};
> +
>  		intc: interrupt-controller@...00000 {
>  			compatible = "arm,gic-v3";
>  			reg = <0x0 0x17a00000 0x0 0x10000>,     /* GICD */