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Commit a206d2ea authored by Zhaoyang Liu's avatar Zhaoyang Liu
Browse files

ARM: dts: msm: configure iommu for pci wlan 

This change is to configure iommu for wlan.
Mark iommu dma attribution as bypass.

Change-Id: I6aa3c8b201d481fae25e6c51658d14875feedd8a
parent e74cb183

qcom/sa8155-vm.dtsi

+18 −0
Original line number Diff line number Diff line
@@ -858,3 +858,21 @@ 
	/delete-property/ qcom,msm-bus,num-paths;

	/delete-property/ qcom,msm-bus,vectors-bus-ids;

};



&pcie_rc0 {

	cnss_pci: cnss_pci {

		reg = <0 0 0 0 0>;

		qcom,iommu-group = <&cnss_pci_iommu_group>;



		#address-cells = <1>;

		#size-cells = <1>;



		cnss_pci_iommu_group: cnss_pci_iommu_group {

			qcom,iommu-dma-addr-pool = <0xa0000000 0x10000000>;

			qcom,iommu-dma = "bypass";

			qcom,iommu-pagetable = "coherent";

			qcom,iommu-faults = "stall-disable", "no-CFRE",

						"non-fatal";

		};

	};

};