src/riscv/tenstorrent/blackhole.dtsi

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
// Copyright 2025 Tenstorrent AI ULC
/dts-v1/;

/ {
	compatible = "tenstorrent,blackhole";
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		timebase-frequency = <50000000>;

		cpu@0 {
			compatible = "sifive,x280", "sifive,rocket0", "riscv";
			device_type = "cpu";
			reg = <0>;
			mmu-type = "riscv,sv57";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr",
					       "zifencei", "zfh", "zba", "zbb", "sscofpmf";

			cpu0_intc: interrupt-controller {
				compatible = "riscv,cpu-intc";
				#interrupt-cells = <1>;
				interrupt-controller;
			};
		};

		cpu@1 {
			compatible = "sifive,x280", "sifive,rocket0", "riscv";
			device_type = "cpu";
			reg = <1>;
			mmu-type = "riscv,sv57";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr",
					       "zifencei", "zfh", "zba", "zbb", "sscofpmf";

			cpu1_intc: interrupt-controller {
				compatible = "riscv,cpu-intc";
				#interrupt-cells = <1>;
				interrupt-controller;
			};
		};

		cpu@2 {
			compatible = "sifive,x280", "sifive,rocket0", "riscv";
			device_type = "cpu";
			reg = <2>;
			mmu-type = "riscv,sv57";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr",
					       "zifencei", "zfh", "zba", "zbb", "sscofpmf";

			cpu2_intc: interrupt-controller {
				compatible = "riscv,cpu-intc";
				#interrupt-cells = <1>;
				interrupt-controller;
			};
		};

		cpu@3 {
			compatible = "sifive,x280", "sifive,rocket0", "riscv";
			device_type = "cpu";
			reg = <3>;
			mmu-type = "riscv,sv57";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicsr",
					       "zifencei", "zfh", "zba", "zbb", "sscofpmf";

			cpu3_intc: interrupt-controller {
				compatible = "riscv,cpu-intc";
				#interrupt-cells = <1>;
				interrupt-controller;
			};
		};
	};

	soc {
		#address-cells = <2>;
		#size-cells = <2>;
		compatible = "simple-bus";
		ranges;

		clint0: timer@2000000 {
			compatible = "tenstorrent,blackhole-clint", "sifive,clint0";
			reg = <0x0 0x2000000 0x0 0x10000>;
			interrupts-extended = <&cpu0_intc 0x3>, <&cpu0_intc 0x7>,
					      <&cpu1_intc 0x3>, <&cpu1_intc 0x7>,
					      <&cpu2_intc 0x3>, <&cpu2_intc 0x7>,
					      <&cpu3_intc 0x3>, <&cpu3_intc 0x7>;
		};

		plic0: interrupt-controller@c000000 {
			compatible = "tenstorrent,blackhole-plic", "sifive,plic-1.0.0";
			reg = <0x0 0x0c000000 0x0 0x04000000>;
			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
					      <&cpu1_intc 11>, <&cpu1_intc 9>,
					      <&cpu2_intc 11>, <&cpu2_intc 9>,
					      <&cpu3_intc 11>, <&cpu3_intc 9>;
			interrupt-controller;
			#interrupt-cells = <1>;
			#address-cells = <0>;
			riscv,ndev = <128>;
		};
	};
};