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Message-ID: <20241213163221.3626261-5-vincenzo.frascino@arm.com>
Date: Fri, 13 Dec 2024 16:32:17 +0000
From: Vincenzo Frascino <vincenzo.frascino@....com>
To: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
vincenzo.frascino@....com
Cc: Sudeep Holla <sudeep.holla@....com>,
Rob Herring <robh@...nel.org>
Subject: [PATCH 4/8] arm64: dts: morello: Add support for soc dts
The Morello architecture is an experimental extension to Armv8.2-A,
which extends the AArch64 state with the principles proposed in
version 7 of the Capability Hardware Enhanced RISC Instructions
(CHERI) ISA.
Introduce Morello SoC dts.
Cc: Sudeep Holla <sudeep.holla@....com>
Cc: Rob Herring <robh@...nel.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
---
arch/arm64/boot/dts/arm/morello-soc.dts | 267 ++++++++++++++++++++++++
1 file changed, 267 insertions(+)
create mode 100644 arch/arm64/boot/dts/arm/morello-soc.dts
diff --git a/arch/arm64/boot/dts/arm/morello-soc.dts b/arch/arm64/boot/dts/arm/morello-soc.dts
new file mode 100644
index 000000000000..3c5247121e4d
--- /dev/null
+++ b/arch/arm64/boot/dts/arm/morello-soc.dts
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (c) 2021-2024, Arm Limited. All rights reserved.
+
+ */
+
+/dts-v1/;
+#include "morello.dtsi"
+
+/ {
+ model = "Arm Morello System Development Platform";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ secure-firmware@...00000 {
+ reg = <0 0xff000000 0 0x01000000>;
+ no-map;
+ };
+ };
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+ cpu0: cpu0@0 {
+ compatible = "arm,neoverse-n1";
+ reg = <0x0 0x0>;
+ device_type = "cpu";
+ enable-method = "psci";
+ clocks = <&scmi_dvfs 0>;
+ };
+ cpu1: cpu1@100 {
+ compatible = "arm,neoverse-n1";
+ reg = <0x0 0x100>;
+ device_type = "cpu";
+ enable-method = "psci";
+ clocks = <&scmi_dvfs 0>;
+ };
+ cpu2: cpu2@...00 {
+ compatible = "arm,neoverse-n1";
+ reg = <0x0 0x10000>;
+ device_type = "cpu";
+ enable-method = "psci";
+ clocks = <&scmi_dvfs 1>;
+ };
+ cpu3: cpu3@...00 {
+ compatible = "arm,neoverse-n1";
+ reg = <0x0 0x10100>;
+ device_type = "cpu";
+ enable-method = "psci";
+ clocks = <&scmi_dvfs 1>;
+ };
+ };
+
+ /* The first bank of memory, memory map is actually provided by UEFI. */
+ memory@...00000 {
+ device_type = "memory";
+ /* [0x80000000-0xffffffff] */
+ reg = <0x00000000 0x80000000 0x0 0x7F000000>;
+ };
+
+ memory@...0000000 {
+ device_type = "memory";
+ /* [0x8080000000-0x83f7ffffff] */
+ reg = <0x00000080 0x80000000 0x3 0x78000000>;
+ };
+
+ smmu_pcie: iommu@...00000 {
+ compatible = "arm,smmu-v3";
+ reg = <0 0x4f400000 0 0x40000>;
+ interrupts = <GIC_SPI 235 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 237 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 40 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 236 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "eventq", "gerror", "priq", "cmdq-sync";
+ msi-parent = <&its2 0>;
+ #iommu-cells = <1>;
+ dma-coherent;
+ };
+
+ pcie_ctlr: pcie@...0000000 {
+ compatible = "pci-host-ecam-generic";
+ device_type = "pci";
+ reg = <0x28 0xC0000000 0 0x10000000>;
+ bus-range = <0 255>;
+ linux,pci-domain = <0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ ranges = <0x01000000 0x00 0x00000000 0x00 0x6F000000 0x00 0x00800000>,
+ <0x02000000 0x00 0x60000000 0x00 0x60000000 0x00 0x0F000000>,
+ <0x42000000 0x09 0x00000000 0x09 0x00000000 0x1F 0xC0000000>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &gic 0 0 0 169 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic 0 0 0 170 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic 0 0 0 171 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic 0 0 0 172 IRQ_TYPE_LEVEL_HIGH>;
+ msi-map = <0 &its_pcie 0 0x10000>;
+ iommu-map = <0 &smmu_pcie 0 0x10000>;
+ status = "okay";
+ };
+
+ smmu_ccix: iommu@...00000 {
+ compatible = "arm,smmu-v3";
+ reg = <0 0x4f000000 0 0x40000>;
+ interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 230 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 41 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 229 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "eventq", "gerror", "priq", "cmdq-sync";
+ msi-parent = <&its1 0>;
+ #iommu-cells = <1>;
+ dma-coherent;
+ };
+
+ ccix_pcie_ctlr: pcie@...0000000 {
+ compatible = "pci-host-ecam-generic";
+ device_type = "pci";
+ reg = <0x4F 0xC0000000 0 0x10000000>;
+ bus-range = <0 255>;
+ linux,pci-domain = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ dma-coherent;
+ ranges = <0x01000000 0x00 0x00000000 0x00 0x7F000000 0x00 0x00800000>,
+ <0x02000000 0x00 0x70000000 0x00 0x70000000 0x00 0x0F000000>,
+ <0x42000000 0x30 0x00000000 0x30 0x00000000 0x1F 0xC0000000>;
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &gic 0 0 0 201 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic 0 0 0 202 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic 0 0 0 203 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic 0 0 0 204 IRQ_TYPE_LEVEL_HIGH>;
+ msi-map = <0 &its_ccix 0 0x10000>;
+ iommu-map = <0 &smmu_ccix 0 0x10000>;
+ status = "okay";
+ };
+
+ smmu_dp: iommu@...00000 {
+ compatible = "arm,smmu-v3";
+ reg = <0 0x2ce00000 0 0x40000>;
+ interrupts = <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 80 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "eventq", "gerror", "cmdq-sync";
+ #iommu-cells = <1>;
+ };
+
+ dp0: display@...00000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,mali-d32", "arm,mali-d71";
+ reg = <0 0x2cc00000 0 0x20000>;
+ interrupts = <0 69 4>;
+ clocks = <&dpu_aclk>;
+ clock-names = "aclk";
+ iommus = <&smmu_dp 0>, <&smmu_dp 1>, <&smmu_dp 2>, <&smmu_dp 3>,
+ <&smmu_dp 8>;
+
+ pl0: pipeline@0 {
+ reg = <0>;
+ clocks = <&dpu_pixel_clk>;
+ clock-names = "pxclk";
+ port {
+ dp_pl0_out0: endpoint {
+ remote-endpoint = <&tda998x_0_input>;
+ };
+ };
+ };
+ };
+
+ i2c@...f0000 {
+ compatible = "cdns,i2c-r1p14";
+ reg = <0x0 0x1c0f0000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <100000>;
+ interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&dpu_aclk>;
+
+ hdmi_tx: hdmi-transmitter@70 {
+ compatible = "nxp,tda998x";
+ reg = <0x70>;
+ video-ports = <0x234501>;
+ port {
+ tda998x_0_input: endpoint {
+ remote-endpoint = <&dp_pl0_out0>;
+ };
+ };
+ };
+ };
+
+ dpu_aclk: dpu_aclk {
+ /* 77.1 MHz derived from 24 MHz reference clock */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <350000000>;
+ clock-output-names = "aclk";
+ };
+
+ dpu_pixel_clk: dpu-pixel-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <148500000>;
+ clock-output-names = "pxclk";
+ };
+
+ firmware {
+ scmi {
+ compatible = "arm,scmi";
+ mbox-names = "tx", "rx";
+ mboxes = <&mailbox 1 0>, <&mailbox 1 1>;
+ shmem = <&cpu_scp_hpri0>, <&cpu_scp_hpri1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ scmi_dvfs: protocol@13 {
+ reg = <0x13>;
+ #clock-cells = <1>;
+ };
+ scmi_clk: protocol@14 {
+ reg = <0x14>;
+ #clock-cells = <1>;
+ };
+ };
+ };
+};
+
+&gic {
+ reg = <0x0 0x30000000 0 0x10000>, /* GICD */
+ <0x0 0x300c0000 0 0x80000>; /* GICR */
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+ its1: msi-controller@...40000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ #msi-cells = <1>;
+ reg = <0x0 0x30040000 0x0 0x20000>;
+ };
+
+ its2: msi-controller@...60000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ #msi-cells = <1>;
+ reg = <0x0 0x30060000 0x0 0x20000>;
+ };
+
+ its_ccix: msi-controller@...80000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ #msi-cells = <1>;
+ reg = <0x0 0x30080000 0x0 0x20000>;
+ };
+
+ its_pcie: msi-controller@...a0000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ #msi-cells = <1>;
+ reg = <0x0 0x300a0000 0x0 0x20000>;
+ };
+};
--
2.43.0
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