From: Mikko Perttunen <mperttunen@xxxxxxxxxx>
Add Host1x context isolation domains on Tegra234. On Tegra234 we have
two IOMMUs that are connected to Host1x-channel programmed engines,
so we have to include domains for each of them.
Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 65d49b27bc5f..d764bd98433a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -570,6 +570,25 @@ host1x@13e00000 {
interconnect-names = "dma-mem";
iommus = <&smmu_niso1 TEGRA234_SID_HOST1X>;
+ /* Context isolation domains */
+ iommu-map = <
+ 0 &smmu_niso0 TEGRA234_SID_HOST1X_CTX0 1
+ 1 &smmu_niso0 TEGRA234_SID_HOST1X_CTX1 1
+ 2 &smmu_niso0 TEGRA234_SID_HOST1X_CTX2 1
+ 3 &smmu_niso0 TEGRA234_SID_HOST1X_CTX3 1
+ 4 &smmu_niso0 TEGRA234_SID_HOST1X_CTX4 1
+ 5 &smmu_niso0 TEGRA234_SID_HOST1X_CTX5 1
+ 6 &smmu_niso0 TEGRA234_SID_HOST1X_CTX6 1
+ 7 &smmu_niso0 TEGRA234_SID_HOST1X_CTX7 1
+ 8 &smmu_niso1 TEGRA234_SID_HOST1X_CTX0 1
+ 9 &smmu_niso1 TEGRA234_SID_HOST1X_CTX1 1
+ 10 &smmu_niso1 TEGRA234_SID_HOST1X_CTX2 1
+ 11 &smmu_niso1 TEGRA234_SID_HOST1X_CTX3 1
+ 12 &smmu_niso1 TEGRA234_SID_HOST1X_CTX4 1
+ 13 &smmu_niso1 TEGRA234_SID_HOST1X_CTX5 1
+ 14 &smmu_niso1 TEGRA234_SID_HOST1X_CTX6 1
+ 15 &smmu_niso1 TEGRA234_SID_HOST1X_CTX7 1>;
+
vic@15340000 {
compatible = "nvidia,tegra234-vic";
reg = <0x15340000 0x00040000>;
--
2.37.0
