[PATCH 9/9] arm64: tegra: Enable SMMU support on Tegra194
Thierry Reding
thierry.reding at gmail.com
Thu Mar 25 13:03:32 GMT 2021
From: Thierry Reding <treding at nvidia.com>
Add the device tree node for the dual-SMMU found on Tegra194 and hook up
peripherals such as host1x, BPMP, HDA, SDMMC, EQOS and VIC.
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 86 ++++++++++++++++++++++++
1 file changed, 86 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 9449156fae39..3c1231a9ff62 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -62,6 +62,7 @@ ethernet at 2490000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_EQOSR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_EQOSW &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_EQOS>;
status = "disabled";
snps,write-requests = <1>;
@@ -733,6 +734,7 @@ sdmmc1: mmc at 3400000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCRA &emc>,
<&mc TEGRA194_MEMORY_CLIENT_SDMMCWA &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_SDMMC1>;
nvidia,pad-autocal-pull-up-offset-3v3-timeout =
<0x07>;
nvidia,pad-autocal-pull-down-offset-3v3-timeout =
@@ -759,6 +761,7 @@ sdmmc3: mmc at 3440000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_SDMMCW &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_SDMMC3>;
nvidia,pad-autocal-pull-up-offset-1v8 = <0x00>;
nvidia,pad-autocal-pull-down-offset-1v8 = <0x7a>;
nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>;
@@ -790,6 +793,7 @@ sdmmc4: mmc at 3460000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_SDMMCRAB &emc>,
<&mc TEGRA194_MEMORY_CLIENT_SDMMCWAB &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_SDMMC4>;
nvidia,pad-autocal-pull-up-offset-hs400 = <0x00>;
nvidia,pad-autocal-pull-down-offset-hs400 = <0x00>;
nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>;
@@ -821,6 +825,7 @@ hda at 3510000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_HDAR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_HDAW &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_HDA>;
status = "disabled";
};
@@ -1300,6 +1305,84 @@ pmc: pmc at c360000 {
interrupt-controller;
};
+ smmu: iommu at 12000000 {
+ compatible = "nvidia,tegra194-smmu", "arm,mmu-500";
+ reg = <0x12000000 0x800000>,
+ <0x11000000 0x800000>;
+ interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
+ stream-match-mask = <0x7f80>;
+ #global-interrupts = <2>;
+ #iommu-cells = <1>;
+
+ nvidia,memory-controller = <&mc>;
+ status = "okay";
+ };
+
host1x at 13e00000 {
compatible = "nvidia,tegra194-host1x";
reg = <0x13e00000 0x10000>,
@@ -1319,6 +1402,7 @@ host1x at 13e00000 {
ranges = <0x15000000 0x15000000 0x01000000>;
interconnects = <&mc TEGRA194_MEMORY_CLIENT_HOST1XDMAR &emc>;
interconnect-names = "dma-mem";
+ iommus = <&smmu TEGRA194_SID_HOST1X>;
display-hub at 15200000 {
compatible = "nvidia,tegra194-display";
@@ -1430,6 +1514,7 @@ vic at 15340000 {
interconnects = <&mc TEGRA194_MEMORY_CLIENT_VICSRD &emc>,
<&mc TEGRA194_MEMORY_CLIENT_VICSWR &emc>;
interconnect-names = "dma-mem", "write";
+ iommus = <&smmu TEGRA194_SID_VIC>;
};
dpaux0: dpaux at 155c0000 {
@@ -2136,6 +2221,7 @@ bpmp: bpmp {
<&mc TEGRA194_MEMORY_CLIENT_BPMPDMAR &emc>,
<&mc TEGRA194_MEMORY_CLIENT_BPMPDMAW &emc>;
interconnect-names = "read", "write", "dma-mem", "dma-write";
+ iommus = <&smmu TEGRA194_SID_BPMP>;
bpmp_i2c: i2c {
compatible = "nvidia,tegra186-bpmp-i2c";
--
2.30.2
More information about the linux-arm-kernel
mailing list