linux/linux-5.18.11/arch/powerpc/boot/dts/amigaone.dts

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * AmigaOne Device Tree Source
 *
 * Copyright 2008 Gerhard Pircher (gerhard_pircher@gmx.net)
 */

/dts-v1/;

/ {
	model = "AmigaOne";
	compatible = "eyetech,amigaone";
	coherency-off;
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu@0 {
			device_type = "cpu";
			reg = <0>;
			d-cache-line-size = <32>;	// 32 bytes
			i-cache-line-size = <32>;	// 32 bytes
			d-cache-size = <32768>;		// L1, 32K
			i-cache-size = <32768>;		// L1, 32K
			timebase-frequency = <0>;	// 33.3 MHz, from U-boot
			clock-frequency = <0>;		// From U-boot
			bus-frequency = <0>;		// From U-boot
		};
	};

	memory {
		device_type = "memory";
		reg = <0 0>;				// From U-boot
	};

	pci@80000000 {
		device_type = "pci";
		compatible = "mai-logic,articia-s";
		bus-frequency = <33333333>;
		bus-range = <0 0xff>;
		ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00c00000	// PCI I/O
		          0x02000000 0 0x80000000 0x80000000 0 0x7d000000	// PCI memory
		          0x02000000 0 0x00000000 0xfd000000 0 0x01000000>;	// PCI alias memory (ISA)
		// Configuration address and data register.
		reg = <0xfec00cf8 4
		       0xfee00cfc 4>;
		8259-interrupt-acknowledge = <0xfef00000>;
		// Do not define a interrupt-parent here, if there is no
		// interrupt-map property.
		#address-cells = <3>;
		#size-cells = <2>;

		isa@7 {
			device_type = "isa";
			compatible = "pciclass,0601";
			vendor-id = <0x00001106>;
			device-id = <0x00000686>;
			revision-id = <0x00000010>;
			class-code = <0x00060100>;
			subsystem-id = <0>;
			subsystem-vendor-id = <0>;
			devsel-speed = <0x00000001>;
			min-grant = <0>;
			max-latency = <0>;
			/* First 4k for I/O at 0x0 on PCI mapped to 0x0 on ISA. */
			ranges = <0x00000001 0 0x01000000 0 0x00000000 0x00001000>;
			interrupt-parent = <&i8259>;
			#interrupt-cells = <2>;
			#address-cells = <2>;
			#size-cells = <1>;

			dma-controller@0 {
				compatible = "pnpPNP,200";
				reg = <1 0x00000000 0x00000020
				       1 0x00000080 0x00000010
				       1 0x000000c0 0x00000020>;
			};

			i8259: interrupt-controller@20 {
				device_type = "interrupt-controller";
				compatible = "pnpPNP,000";
				interrupt-controller;
				reg = <1 0x00000020 0x00000002
				       1 0x000000a0 0x00000002
				       1 0x000004d0 0x00000002>;
				reserved-interrupts = <2>;
				#interrupt-cells = <2>;
			};

			timer@40 {
				// Also adds pcspkr to platform devices.
				compatible = "pnpPNP,100";
				reg = <1 0x00000040 0x00000020>;
			};

			8042@60 {
				device_type = "8042";
				reg = <1 0x00000060 0x00000001
				       1 0x00000064 0x00000001>;
				interrupts = <1 3 12 3>;
				#address-cells = <1>;
				#size-cells = <0>;

				keyboard@0 {
					compatible = "pnpPNP,303";
					reg = <0>;
				};

				mouse@1 {
					compatible = "pnpPNP,f03";
					reg = <1>;
				};
			};

			rtc@70 {
				compatible = "pnpPNP,b00";
				reg = <1 0x00000070 0x00000002>;
				interrupts = <8 3>;
			};

			serial@3f8 {
				device_type = "serial";
				compatible = "pnpPNP,501","pnpPNP,500";
				reg = <1 0x000003f8 0x00000008>;
				interrupts = <4 3>;
				clock-frequency = <1843200>;
				current-speed = <115200>;
			};

			serial@2f8 {
				device_type = "serial";
				compatible = "pnpPNP,501","pnpPNP,500";
				reg = <1 0x000002f8 0x00000008>;
				interrupts = <3 3>;
				clock-frequency = <1843200>;
				current-speed = <115200>;
			};

			parallel@378 {
				device_type = "parallel";
				// No ECP support for now, otherwise add "pnpPNP,401".
				compatible = "pnpPNP,400";
				reg = <1 0x00000378 0x00000003
				       1 0x00000778 0x00000003>;
			};

			fdc@3f0 {
				device_type = "fdc";
				compatible = "pnpPNP,700";
				reg = <1 0x000003f0 0x00000008>;
				interrupts = <6 3>;
				#address-cells = <1>;
				#size-cells = <0>;

				disk@0 {
					reg = <0>;
				};
			};
		};
	};

	chosen {
		stdout-path = "/pci@80000000/isa@7/serial@3f8";
	};
};