From 5710e16afa6cd385d3bd2becb47635dabbc050e7 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Mon, 8 Nov 2021 13:35:23 +0100 Subject: [PATCH] arm64: tegra: Add Tegra234 IOMMUs The NVIDIA Tegra234 SoC comes with one single-instance ARM SMMU used by isochronous memory clients and two dual-instance ARM SMMUs used by non- isochronous memory clients. Add the corresponding device tree nodes and hook up existing memory clients (SDHCI and BPMP). Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra234.dtsi | 426 +++++++++++++++++++++++ 1 file changed, 426 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index 02d4d7862f7f2..7786fd8e3cc6e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -262,6 +262,7 @@ interconnects = <&mc TEGRA234_MEMORY_CLIENT_SDMMCRAB &emc>, <&mc TEGRA234_MEMORY_CLIENT_SDMMCWAB &emc>; interconnect-names = "dma-mem", "write"; + iommus = <&smmu_niso1 TEGRA234_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>; @@ -300,6 +301,148 @@ #mbox-cells = <2>; }; + smmu_niso1: iommu@8000000 { + compatible = "nvidia,tegra234-smmu", "nvidia,smmu-500"; + reg = <0x8000000 0x1000000>, + <0x7000000 0x1000000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + stream-match-mask = <0x7f80>; + #global-interrupts = <2>; + #iommu-cells = <1>; + + nvidia,memory-controller = <&mc>; + status = "okay"; + }; + hsp_aon: hsp@c150000 { compatible = "nvidia,tegra234-hsp", "nvidia,tegra194-hsp"; reg = <0x0c150000 0x90000>; @@ -395,6 +538,288 @@ #interrupt-cells = <3>; interrupt-controller; }; + + smmu_iso: iommu@10000000{ + compatible = "nvidia,tegra234-smmu", "nvidia,smmu-500"; + reg = <0x10000000 0x1000000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + stream-match-mask = <0x7f80>; + #global-interrupts = <1>; + #iommu-cells = <1>; + + nvidia,memory-controller = <&mc>; + status = "okay"; + }; + + smmu_niso0: iommu@12000000 { + compatible = "nvidia,tegra234-smmu", "nvidia,smmu-500"; + reg = <0x12000000 0x1000000>, + <0x11000000 0x1000000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + stream-match-mask = <0x7f80>; + #global-interrupts = <2>; + #iommu-cells = <1>; + + nvidia,memory-controller = <&mc>; + status = "okay"; + }; }; sram@40000000 { @@ -430,6 +855,7 @@ <&mc TEGRA234_MEMORY_CLIENT_BPMPDMAR &emc>, <&mc TEGRA234_MEMORY_CLIENT_BPMPDMAW &emc>; interconnect-names = "read", "write", "dma-mem", "dma-write"; + iommus = <&smmu_niso1 TEGRA234_SID_BPMP>; bpmp_i2c: i2c { compatible = "nvidia,tegra186-bpmp-i2c"; -- 2.30.2