在 11/5/2024 11:21 AM, Qingqing Zhou 写道:
> Add the APPS SMMU node for QCS615 platform. Add the dma-ranges
> to limit DMA address range to 36bit width to align with system
> architecture.
>
Could anyone help review this? The patch changes not much. Thanks!
> Signed-off-by: Qingqing Zhou <quic_qqzhou@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/qcs615.dtsi | 75 ++++++++++++++++++++++++++++
> 1 file changed, 75 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
> index 027c5125f36b..e35fd4059073 100644
> --- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
> @@ -379,6 +379,7 @@
> soc: soc@0 {
> compatible = "simple-bus";
> ranges = <0 0 0 0 0x10 0>;
> + dma-ranges = <0 0 0 0 0x10 0>;
> #address-cells = <2>;
> #size-cells = <2>;
>
> @@ -524,6 +525,80 @@
> reg = <0x0 0x0c3f0000 0x0 0x400>;
> };
>
> + apps_smmu: iommu@15000000 {
> + compatible = "qcom,qcs615-smmu-500", "qcom,smmu-500", "arm,mmu-500";
> + reg = <0x0 0x15000000 0x0 0x80000>;
> + #iommu-cells = <2>;
> + #global-interrupts = <1>;
> + dma-coherent;
> +
> + interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 320 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 340 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> intc: interrupt-controller@17a00000 {
> compatible = "arm,gic-v3";
> reg = <0x0 0x17a00000 0x0 0x10000>, /* GICD */
