diff options
| author | Nagarjuna Kristam <nkristam@nvidia.com> | 2019-09-17 12:26:44 +0530 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-29 20:30:06 +0100 |
| commit | 05705c721591d0f8bdd1ea126f5d16176607c415 (patch) | |
| tree | f0c6339001a91950881990ad5cf4ecc46c297819 /arch/arm64/boot/dts | |
| parent | ca2b8ee4572141cbf5ad838dc732e49775f4913a (diff) | |
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>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 47cd831fcf44..abdc81f555b9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -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>; |