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authorRobin Murphy <robin.murphy@arm.com>2016-10-17 13:13:34 +0100
committerSudeep Holla <sudeep.holla@arm.com>2016-10-17 17:42:58 +0100
commit2ac15068f3468d439c19865fbc04597fc6d98832 (patch)
treeab24a082261c9955e231a5650124d0765046a369 /arch/arm64/boot/dts/arm
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadlinux-2ac15068f3468d439c19865fbc04597fc6d98832.tar.gz
arm64: dts: juno: Add SMMUs device nodes
Juno has separate MMU-401 instances in front of the DMA-330, both HDLCD controllers, the USB host controller, the PCIe root complex, and the CoreSight ETR. Since there is still work to do to make all the relevant subsystems interact nicely with the presence of an IOMMU, add the nodes to aid development and testing but leave them disabled by default to avoid nasty surprises. CC: Liviu Dudau <liviu.dudau@arm.com> CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> [sudeep.holla@arm.com: reformated subject] Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'arch/arm64/boot/dts/arm')
-rw-r--r--arch/arm64/boot/dts/arm/juno-base.dtsi80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 334271a25f70..100810a8b929 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -29,6 +29,28 @@
clock-names = "apb_pclk";
};
+ smmu_pcie: iommu@2b500000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x2b500000 0x0 0x10000>;
+ interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ dma-coherent;
+ status = "disabled";
+ };
+
+ smmu_etr: iommu@2b600000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x2b600000 0x0 0x10000>;
+ interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ dma-coherent;
+ status = "disabled";
+ };
+
gic: interrupt-controller@2c010000 {
compatible = "arm,gic-400", "arm,cortex-a15-gic";
reg = <0x0 0x2c010000 0 0x1000>,
@@ -146,6 +168,7 @@
etr@20070000 {
compatible = "arm,coresight-tmc", "arm,primecell";
reg = <0 0x20070000 0 0x1000>;
+ iommus = <&smmu_etr 0>;
clocks = <&soc_smc50mhz>;
clock-names = "apb_pclk";
@@ -404,6 +427,8 @@
<0 0 0 4 &gic 0 0 0 139 4>;
msi-parent = <&v2m_0>;
status = "disabled";
+ iommu-map-mask = <0x0>; /* RC has no means to output PCI RID */
+ iommu-map = <0x0 &smmu_pcie 0x0 0x1>;
};
scpi {
@@ -484,6 +509,48 @@
/include/ "juno-clocks.dtsi"
+ smmu_dma: iommu@7fb00000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x7fb00000 0x0 0x10000>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ dma-coherent;
+ status = "disabled";
+ };
+
+ smmu_hdlcd1: iommu@7fb10000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x7fb10000 0x0 0x10000>;
+ interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ status = "disabled";
+ };
+
+ smmu_hdlcd0: iommu@7fb20000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x7fb20000 0x0 0x10000>;
+ interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ status = "disabled";
+ };
+
+ smmu_usb: iommu@7fb30000 {
+ compatible = "arm,mmu-401", "arm,smmu-v1";
+ reg = <0x0 0x7fb30000 0x0 0x10000>;
+ interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ #global-interrupts = <1>;
+ dma-coherent;
+ status = "disabled";
+ };
+
dma@7ff00000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0x7ff00000 0 0x1000>;
@@ -499,6 +566,15 @@
<GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&smmu_dma 0>,
+ <&smmu_dma 1>,
+ <&smmu_dma 2>,
+ <&smmu_dma 3>,
+ <&smmu_dma 4>,
+ <&smmu_dma 5>,
+ <&smmu_dma 6>,
+ <&smmu_dma 7>,
+ <&smmu_dma 8>;
clocks = <&soc_faxiclk>;
clock-names = "apb_pclk";
};
@@ -507,6 +583,7 @@
compatible = "arm,hdlcd";
reg = <0 0x7ff50000 0 0x1000>;
interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&smmu_hdlcd1 0>;
clocks = <&scpi_clk 3>;
clock-names = "pxlclk";
@@ -521,6 +598,7 @@
compatible = "arm,hdlcd";
reg = <0 0x7ff60000 0 0x1000>;
interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&smmu_hdlcd0 0>;
clocks = <&scpi_clk 3>;
clock-names = "pxlclk";
@@ -574,6 +652,7 @@
compatible = "generic-ohci";
reg = <0x0 0x7ffb0000 0x0 0x10000>;
interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&smmu_usb 0>;
clocks = <&soc_usb48mhz>;
};
@@ -581,6 +660,7 @@
compatible = "generic-ehci";
reg = <0x0 0x7ffc0000 0x0 0x10000>;
interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&smmu_usb 0>;
clocks = <&soc_usb48mhz>;
};