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authorArnd Bergmann <arnd@arndb.de>2021-08-02 15:27:43 +0300
committerArnd Bergmann <arnd@arndb.de>2021-08-02 15:27:43 +0300
commit79e48a21045e6f2ccd9f59737685336d9ad75d54 (patch)
tree3ffae61adb2f4b5bcf81bc963440d13ae3ad3a27 /arch
parent47091f473b364c98207c4def197a0ae386fc9af1 (diff)
parentba02920c51debb9198e72b3a8726a7c5ae4ffb41 (diff)
downloadlinux-79e48a21045e6f2ccd9f59737685336d9ad75d54.tar.xz
Merge tag 'tegra-for-5.14-rc3-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
arm64: tegra: Device tree fixes for v5.14-rc3 This contains one more fix for SMMU enablement on Tegra194, this time for PCIe. * tag 'tegra-for-5.14-rc3-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: arm64: tegra: Enable SMMU support for PCIe on Tegra194 Link: https://lore.kernel.org/r/20210716233858.10096-1-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/nvidia/tegra194.dtsi60
1 files changed, 54 insertions, 6 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 076d5efc4c3d..5ba7a4519b95 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1840,7 +1840,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE1R &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE1W &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE1>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE1 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie@14120000 {
@@ -1890,7 +1894,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE2AR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE2AW &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE2>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE2 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie@14140000 {
@@ -1940,7 +1948,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE3R &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE3W &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE3>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE3 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie@14160000 {
@@ -1990,7 +2002,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE4R &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE4W &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE4>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE4 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie@14180000 {
@@ -2040,7 +2056,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE0R &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE0W &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE0>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE0 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie@141a0000 {
@@ -2094,7 +2114,11 @@
interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE5R &emc>,
<&mc TEGRA194_MEMORY_CLIENT_PCIE5W &emc>;
- interconnect-names = "read", "write";
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE5>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE5 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie_ep@14160000 {
@@ -2127,6 +2151,14 @@
nvidia,aspm-cmrt-us = <60>;
nvidia,aspm-pwr-on-t-us = <20>;
nvidia,aspm-l0s-entrance-latency-us = <3>;
+
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE4R &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_PCIE4W &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE4>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE4 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie_ep@14180000 {
@@ -2159,6 +2191,14 @@
nvidia,aspm-cmrt-us = <60>;
nvidia,aspm-pwr-on-t-us = <20>;
nvidia,aspm-l0s-entrance-latency-us = <3>;
+
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE0R &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_PCIE0W &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE0>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE0 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
pcie_ep@141a0000 {
@@ -2194,6 +2234,14 @@
nvidia,aspm-cmrt-us = <60>;
nvidia,aspm-pwr-on-t-us = <20>;
nvidia,aspm-l0s-entrance-latency-us = <3>;
+
+ interconnects = <&mc TEGRA194_MEMORY_CLIENT_PCIE5R &emc>,
+ <&mc TEGRA194_MEMORY_CLIENT_PCIE5W &emc>;
+ interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_PCIE5>;
+ iommu-map = <0x0 &smmu TEGRA194_SID_PCIE5 0x1000>;
+ iommu-map-mask = <0x0>;
+ dma-coherent;
};
sram@40000000 {