From: Thor Thayer <thor.tha...@linux.intel.com> Add SMMU support to the Stratix10 Device Tree which includes adding the SMMU node and adding IOMMU stream ids to the SMMU peripherals. Update bindings.
Signed-off-by: Thor Thayer <thor.tha...@linux.intel.com> --- This patch is dependent on the patch series "iommu/arm-smmu: Add runtime pm/sleep support" (https://patchwork.ozlabs.org/cover/946160/) --- .../devicetree/bindings/iommu/arm,smmu.txt | 25 ++++++++++++++++++ arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 30 ++++++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 7c71a6ed465a..8e3fe0594e3e 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -18,6 +18,7 @@ conditions. "arm,mmu-500" "cavium,smmu-v2" "qcom,<soc>-smmu-v2", "qcom,smmu-v2" + "altr,smmu-v2" depending on the particular implementation and/or the version of the architecture implemented. @@ -179,3 +180,27 @@ conditions. <&mmcc SMMU_MDP_AHB_CLK>; clock-names = "bus", "iface"; }; + + /* Stratix10 arm,smmu-v2 implementation */ + smmu5: iommu@fa000000 { + compatible = "altr,smmu-v2", "arm,mmu-500", + "arm,smmu-v2"; + reg = <0xfa000000 0x40000>; + #global-interrupts = <2>; + #iommu-cells = <1>; + clocks = <&clkmgr STRATIX10_L4_MAIN_CLK>; + clock-names = "masters"; + interrupt-parent = <&intc>; + interrupts = <0 128 4>, /* Global Secure Fault */ + <0 129 4>, /* Global Non-secure Fault */ + /* Non-secure Context Interrupts (32) */ + <0 138 4>, <0 139 4>, <0 140 4>, <0 141 4>, + <0 142 4>, <0 143 4>, <0 144 4>, <0 145 4>, + <0 146 4>, <0 147 4>, <0 148 4>, <0 149 4>, + <0 150 4>, <0 151 4>, <0 152 4>, <0 153 4>, + <0 154 4>, <0 155 4>, <0 156 4>, <0 157 4>, + <0 158 4>, <0 159 4>, <0 160 4>, <0 161 4>, + <0 162 4>, <0 163 4>, <0 164 4>, <0 165 4>, + <0 166 4>, <0 167 4>, <0 168 4>, <0 169 4>; + stream-match-mask = <0x7ff0>; + }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index d033da401c26..e38ca86d48f6 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -137,6 +137,7 @@ reset-names = "stmmaceth", "stmmaceth-ocp"; clocks = <&clkmgr STRATIX10_EMAC0_CLK>; clock-names = "stmmaceth"; + iommus = <&smmu 1>; status = "disabled"; }; @@ -150,6 +151,7 @@ reset-names = "stmmaceth", "stmmaceth-ocp"; clocks = <&clkmgr STRATIX10_EMAC1_CLK>; clock-names = "stmmaceth"; + iommus = <&smmu 2>; status = "disabled"; }; @@ -163,6 +165,7 @@ reset-names = "stmmaceth", "stmmaceth-ocp"; clocks = <&clkmgr STRATIX10_EMAC2_CLK>; clock-names = "stmmaceth"; + iommus = <&smmu 3>; status = "disabled"; }; @@ -273,6 +276,7 @@ clocks = <&clkmgr STRATIX10_L4_MP_CLK>, <&clkmgr STRATIX10_SDMMC_CLK>; clock-names = "biu", "ciu"; + iommus = <&smmu 5>; status = "disabled"; }; @@ -307,6 +311,30 @@ altr,modrst-offset = <0x20>; }; + smmu: iommu@fa000000 { + compatible = "altr,smmu-v2", "arm,mmu-500", + "arm,smmu-v2"; + reg = <0xfa000000 0x40000>; + #global-interrupts = <2>; + #iommu-cells = <1>; + clocks = <&clkmgr STRATIX10_L4_MAIN_CLK>; + clock-names = "masters"; + interrupt-parent = <&intc>; + interrupts = <0 128 4>, /* Global Secure Fault */ + <0 129 4>, /* Global Non-secure Fault */ + /* Non-secure Context Interrupts (32) */ + <0 138 4>, <0 139 4>, <0 140 4>, <0 141 4>, + <0 142 4>, <0 143 4>, <0 144 4>, <0 145 4>, + <0 146 4>, <0 147 4>, <0 148 4>, <0 149 4>, + <0 150 4>, <0 151 4>, <0 152 4>, <0 153 4>, + <0 154 4>, <0 155 4>, <0 156 4>, <0 157 4>, + <0 158 4>, <0 159 4>, <0 160 4>, <0 161 4>, + <0 162 4>, <0 163 4>, <0 164 4>, <0 165 4>, + <0 166 4>, <0 167 4>, <0 168 4>, <0 169 4>; + stream-match-mask = <0x7ff0>; + status = "disabled"; + }; + spi0: spi@ffda4000 { compatible = "snps,dw-apb-ssi"; #address-cells = <1>; @@ -416,6 +444,7 @@ resets = <&rst USB0_RESET>, <&rst USB0_OCP_RESET>; reset-names = "dwc2", "dwc2-ecc"; clocks = <&clkmgr STRATIX10_USB_CLK>; + iommus = <&smmu 6>; status = "disabled"; }; @@ -428,6 +457,7 @@ resets = <&rst USB1_RESET>, <&rst USB1_OCP_RESET>; reset-names = "dwc2", "dwc2-ecc"; clocks = <&clkmgr STRATIX10_USB_CLK>; + iommus = <&smmu 7>; status = "disabled"; }; -- 2.7.4
