fdts: n1sdp: DTS file for single-chip and multi-chip environment.

N1SDP supports both single-chip and multi-chip environment.
Added  DTS file for both type of environment.
Enabled DTS files compilation for N1SDP platform.

Change-Id: I66af88dcfb841893eb6ed2ca18d3025de81236a0
Co-authored-by: Robin Murphy <Robin.Murphy@arm.com>
Co-authored-by: Sayanta Pattanayak <sayanta.pattanayak@arm.com>
Co-authored-by: Manoj Kumar <manoj.kumar3@arm.com>
Co-authored-by: Anurag Koul <anurag.koul@arm.com>
Signed-off-by: Sayanta Pattanayak <sayanta.pattanayak@arm.com>

fdts/n1sdp-multi-chip.dts

+// SPDX-License-Identifier: (GPL-2.0 or BSD-3-Clause)
+/*
+ * Copyright (c) 2019-2020, Arm Limited.
+ */
+
+#include "n1sdp-single-chip.dts"
+
+/ {
+	cpus {
+		cpu4@100000000 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x1 0x0>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <1>;
+		};
+		cpu5@100000100 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x1 0x00000100>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <1>;
+		};
+		cpu6@100010000 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x1 0x00010000>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <1>;
+		};
+		cpu7@100010100 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x1 0x00010100>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <1>;
+		};
+	};
+
+	/* Remote N1SDP board address is mapped at offset 4TB.
+	 * First DRAM Bank of remote N1SDP board is mapped at 4TB + 2GB.
+	 */
+	memory@40080000000 {
+		device_type = "memory";
+		reg = <0x00000400 0x80000000 0x0 0x80000000>,
+			<0x00000480 0x80000000 0x3 0x80000000>;
+		numa-node-id = <1>;
+	};
+
+	distance-map {
+		compatible = "numa-distance-map-v1";
+		distance-matrix =   <0 0 10>,
+				    <0 1 20>,
+				    <1 1 10>;
+	};
+};
+
+&gic {
+	#redistributor-regions = <2>;
+	reg =   <0x0 0x30000000 0 0x10000>,	/* GICD */
+		<0x0 0x300c0000 0 0x80000>,	/* GICR */
+		<0x400 0x300c0000 0 0x80000>;	/* GICR */
+};

fdts/n1sdp-single-chip.dts

+// SPDX-License-Identifier: (GPL-2.0 or BSD-3-Clause)
+/*
+ * Copyright (c) 2019-2020, Arm Limited.
+ */
+
+/dts-v1/;
+
+#include "n1sdp.dtsi"
+
+/ {
+	model = "Arm Neoverse N1 System Development Platform";
+	compatible = "arm,neoverse-n1-sdp", "arm,neoverse-n1-soc";
+
+	aliases {
+		serial0 = &soc_uart0;
+	};
+
+	chosen {
+		stdout-path = "soc_uart0:115200n8";
+	};
+
+	/* This configuration assumes that standard setup with two DIMM modules.
+	 * In the first 2GB of DRAM bank the top 16MB are reserved by firmware as secure memory.
+	 * This configuration assumes 16GB of total DRAM being populated.
+	 */
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000 0x0 0x7f000000>,
+			<0x00000080 0x80000000 0x3 0x80000000>;
+		numa-node-id = <0>;
+	};
+
+	soc_refclk60mhz: refclk60mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <60000000>;
+		clock-output-names = "iofpga_clk";
+	};
+
+	soc_hdlcdclk:  hdlcdclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <23750000>;
+		clock-output-names = "hdlcdclk";
+	};
+
+	hdlcd: hdlcd@1c050000 {
+		compatible = "arm,hdlcd";
+		reg = <0 0x1c050000 0 0x1000>;
+		interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&soc_hdlcdclk>;
+		clock-names = "pxlclk";
+
+		port {
+			hdlcd0_output: endpoint {
+				remote-endpoint = <&tda998x_0_input>;
+			};
+		};
+	};
+
+	i2c@1c0f0000 {
+		compatible = "arm,versatile-i2c";
+		reg = <0x0 0x1c0f0000 0x0 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clock-frequency = <400000>;
+		i2c-sda-hold-time-ns = <500>;
+		clocks = <&soc_refclk60mhz>;
+
+		hdmi-transmitter@70 {
+			compatible = "nxp,tda998x";
+			reg = <0x70>;
+			port {
+				tda998x_0_input: endpoint {
+					remote-endpoint = <&hdlcd0_output>;
+				};
+			};
+		};
+	};
+};
+
+&pcie_ctlr {
+	status = "okay";
+};
+
+&ccix_pcie_ctlr {
+	status = "okay";
+};
+
+&soc_uart0 {
+	status = "okay";
+};

fdts/n1sdp.dtsi

+// SPDX-License-Identifier: (GPL-2.0 or BSD-3-Clause)
+/*
+ * Copyright (c) 2019-2020, Arm Limited.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		cpu0@0 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x0 0x0>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <0>;
+		};
+		cpu1@100 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x0 0x100>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <0>;
+		};
+		cpu2@10000 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x0 0x10000>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <0>;
+		};
+		cpu3@10100 {
+			compatible = "arm,neoverse-n1";
+			reg = <0x0 0x10100>;
+			device_type = "cpu";
+			enable-method = "psci";
+			numa-node-id = <0>;
+		};
+	};
+
+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	spe-pmu {
+		compatible = "arm,statistical-profiling-extension-v1";
+		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	soc_refclk100mhz: refclk100mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+		clock-output-names = "apb_pclk";
+	};
+
+	soc_uartclk:  uartclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <50000000>;
+		clock-output-names = "uartclk";
+	};
+
+	soc {
+		compatible = "arm,neoverse-n1-soc", "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		gic: interrupt-controller@30000000 {
+			compatible = "arm,gic-v3";
+			#address-cells = <2>;
+			#interrupt-cells = <3>;
+			#size-cells = <2>;
+			ranges;
+			interrupt-controller;
+			reg = <0x0 0x30000000 0 0x10000>,	/* GICD */
+				<0x0 0x300c0000 0 0x80000>;	/* GICR */
+
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+			its1: its@30040000 {
+				compatible = "arm,gic-v3-its";
+				msi-controller;
+				#msi-cells = <1>;
+				reg = <0x0 0x30040000 0x0 0x20000>;
+			};
+
+			its2: its@30060000 {
+				compatible = "arm,gic-v3-its";
+				msi-controller;
+				#msi-cells = <1>;
+				reg = <0x0 0x30060000 0x0 0x20000>;
+			};
+
+			its_ccix: its@30080000 {
+				compatible = "arm,gic-v3-its";
+				msi-controller;
+				#msi-cells = <1>;
+				reg = <0x0 0x30080000 0x0 0x20000>;
+			};
+
+			its_pcie: its@300a0000 {
+				compatible = "arm,gic-v3-its";
+				msi-controller;
+				#msi-cells = <1>;
+				reg = <0x0 0x300a0000 0x0 0x20000>;
+			};
+		};
+
+		smmu_ccix: iommu@4f000000 {
+			compatible = "arm,smmu-v3";
+			reg = <0 0x4f000000 0 0x40000>;
+			interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 229 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 230 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "eventq", "cmdq-sync", "gerror";
+			msi-parent = <&its1 0>;
+			#iommu-cells = <1>;
+			dma-coherent;
+		};
+
+		smmu_pcie: iommu@4f400000 {
+			compatible = "arm,smmu-v3";
+			reg = <0 0x4f400000 0 0x40000>;
+			interrupts = <GIC_SPI 235 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 236 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 237 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "eventq", "cmdq-sync", "gerror";
+			msi-parent = <&its2 0>;
+			#iommu-cells = <1>;
+			dma-coherent;
+		};
+
+		pcie_ctlr: pcie@70000000 {
+			compatible = "arm,n1sdp-pcie";
+			device_type = "pci";
+			reg = <0 0x70000000 0 0x1200000>;
+			bus-range = <0 17>;
+			linux,pci-domain = <0>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			dma-coherent;
+			ranges = <0x01000000 0x00 0x00000000 0x00 0x75200000 0x00 0x00010000>,
+				 <0x02000000 0x00 0x71200000 0x00 0x71200000 0x00 0x04000000>,
+				 <0x42000000 0x09 0x00000000 0x09 0x00000000 0x20 0x00000000>;
+			#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 = "disabled";
+		};
+
+		ccix_pcie_ctlr: pcie@68000000 {
+			compatible = "arm,n1sdp-pcie";
+			device_type = "pci";
+			reg = <0 0x68000000 0 0x1200000>;
+			bus-range = <0 17>;
+			linux,pci-domain = <1>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			dma-coherent;
+			ranges = <0x01000000 0x00 0x00000000 0x00 0x6d200000 0x00 0x00010000>,
+				 <0x02000000 0x00 0x69200000 0x00 0x69200000 0x00 0x04000000>,
+				 <0x42000000 0x29 0x00000000 0x29 0x00000000 0x20 0x00000000>;
+			#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 = "disabled";
+		};
+
+		soc_uart0: serial@2a400000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x0 0x2a400000 0x0 0x1000>;
+			interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&soc_uartclk>, <&soc_refclk100mhz>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
+	};
+};

plat/arm/board/n1sdp/platform.mk

@@ -38,6 +38,8 @@ BL31_SOURCES		:=	${N1SDP_CPU_SOURCES}			\
 				${N1SDP_BASE}/n1sdp_security.c		\
 				drivers/arm/css/sds/sds.c
 
+FDT_SOURCES		+=	fdts/${PLAT}-single-chip.dts	\
+				fdts/${PLAT}-multi-chip.dts
 
 # TF-A not required to load the SCP Images
 override CSS_LOAD_SCP_IMAGES	  	:=	0