linux-loongson/arch/riscv/boot/dts/andes/qilai.dtsi

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2025 Andes Technology Corporation. All rights reserved.
 */

/dts-v1/;

#include <dt-bindings/interrupt-controller/irq.h>

/ {
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		timebase-frequency = <62500000>;

		cpu0: cpu@0 {
			compatible = "andestech,ax45mp", "riscv";
			device_type = "cpu";
			reg = <0>;
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
					       "zicntr", "zicsr", "zifencei",
					       "zihpm", "xandespmu";
			mmu-type = "riscv,sv39";
			clock-frequency = <100000000>;
			i-cache-size = <0x8000>;
			i-cache-sets = <256>;
			i-cache-line-size = <64>;
			d-cache-size = <0x8000>;
			d-cache-sets = <128>;
			d-cache-line-size = <64>;
			next-level-cache = <&l2_cache>;

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

		cpu1: cpu@1 {
			compatible = "andestech,ax45mp", "riscv";
			device_type = "cpu";
			reg = <1>;
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
					       "zicntr", "zicsr", "zifencei",
					       "zihpm", "xandespmu";
			mmu-type = "riscv,sv39";
			clock-frequency = <100000000>;
			i-cache-size = <0x8000>;
			i-cache-sets = <256>;
			i-cache-line-size = <64>;
			d-cache-size = <0x8000>;
			d-cache-sets = <128>;
			d-cache-line-size = <64>;
			next-level-cache = <&l2_cache>;

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

		cpu2: cpu@2 {
			compatible = "andestech,ax45mp", "riscv";
			device_type = "cpu";
			reg = <2>;
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
					       "zicntr", "zicsr", "zifencei",
					       "zihpm", "xandespmu";
			mmu-type = "riscv,sv39";
			clock-frequency = <100000000>;
			i-cache-size = <0x8000>;
			i-cache-sets = <256>;
			i-cache-line-size = <64>;
			d-cache-size = <0x8000>;
			d-cache-sets = <128>;
			d-cache-line-size = <64>;
			next-level-cache = <&l2_cache>;

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

		cpu3: cpu@3 {
			compatible = "andestech,ax45mp", "riscv";
			device_type = "cpu";
			reg = <3>;
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
					       "zicntr", "zicsr", "zifencei",
					       "zihpm", "xandespmu";
			mmu-type = "riscv,sv39";
			clock-frequency = <100000000>;
			i-cache-size = <0x8000>;
			i-cache-sets = <256>;
			i-cache-line-size = <64>;
			d-cache-size = <0x8000>;
			d-cache-sets = <128>;
			d-cache-line-size = <64>;
			next-level-cache = <&l2_cache>;

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

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

		plmt: timer@100000 {
			compatible = "andestech,qilai-plmt", "andestech,plmt0";
			reg = <0x0 0x00100000 0x0 0x100000>;
			interrupts-extended = <&cpu0_intc 7>,
					      <&cpu1_intc 7>,
					      <&cpu2_intc 7>,
					      <&cpu3_intc 7>;
		};

		l2_cache: cache-controller@200000 {
			compatible = "andestech,qilai-ax45mp-cache",
				     "andestech,ax45mp-cache", "cache";
			reg = <0x0 0x00200000 0x0 0x100000>;
			interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
			cache-line-size = <64>;
			cache-level = <2>;
			cache-sets = <2048>;
			cache-size = <0x200000>;
			cache-unified;
		};

		plic_sw: interrupt-controller@400000 {
			compatible = "andestech,qilai-plicsw",
				     "andestech,plicsw";
			reg = <0x0 0x00400000 0x0 0x400000>;
			interrupts-extended = <&cpu0_intc 3>,
					      <&cpu1_intc 3>,
					      <&cpu2_intc 3>,
					      <&cpu3_intc 3>;
		};

		plic: interrupt-controller@2000000 {
			compatible = "andestech,qilai-plic",
				     "andestech,nceplic100";
			reg = <0x0 0x02000000 0x0 0x2000000>;
			#address-cells = <0>;
			#interrupt-cells = <2>;
			interrupt-controller;
			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>;
			riscv,ndev = <71>;
		};

		uart0: serial@30300000 {
			compatible = "andestech,uart16550", "ns16550a";
			reg = <0x0 0x30300000 0x0 0x100000>;
			interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
			clock-frequency = <50000000>;
			reg-offset = <32>;
			reg-shift = <2>;
			reg-io-width = <4>;
			no-loopback-test;
		};
	};
};