Commit 05705c72 authored Sep 17, 2019 by Nagarjuna Kristam Committed by Thierry Reding Oct 29, 2019

arm64: tegra: Enable SMMU for XUSB host on Tegra186



Enabling the SMMU for XUSB host allows buffers to be mapped through the
ARM SMMU, which helps protecting the system from rogue memory accesses
by the XUSB host.

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

parent ca2b8ee4

arch/arm64/boot/dts/nvidia/tegra186.dtsi

+1 −0

Original line number	Diff line number	Diff line
		@@ -525,6 +525,7 @@
		<0x0 0x03538000 0x0 0x1000>;
		reg-names = "hcd", "fpci";

		iommus = <&smmu TEGRA186_SID_XUSB_HOST>;
		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
		<GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
		<GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;

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