pc-bios/dtb/pegasos2.dts

/*
 * QEMU Pegasos2 Device Tree Source
 *
 * Copyright 2025 BALATON Zoltan
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * This is partial source, more info will be filled in by board code.
 */

/dts-v1/;

/ {
	#address-cells = <1>;
	device_type = "chrp";
	model = "Pegasos2";
	revision = "2B";
	CODEGEN,vendor = "bplan GmbH";
	CODEGEN,board = "Pegasos2";
	CODEGEN,description = "Pegasos CHRP PowerPC System";

	openprom {
		model = "Pegasos2,1.1";
	};

	chosen {
	};

	memory@0 {
		device_type = "memory";
		reg = <0 0>;
	};

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

	rtas {
		rtas-version		= <1>;
		rtas-size		= <20>;
		rtas-display-device	= <0>;
		rtas-event-scan-rate	= <0>;
		rtas-error-log-max	= <0>;
		restart-rtas		= <0>;
		nvram-fetch		= <1>;
		nvram-store		= <2>;
		get-time-of-day		= <3>;
		set-time-of-day		= <4>;
		event-scan		= <6>;
		/* Pegasos2 firmware misspells check-exception */
		check-execption		= <7>;
		read-pci-config		= <8>;
		write-pci-config	= <9>;
		display-character	= <10>;
		set-indicator		= <11>;
		power-off		= <17>;
		suspend			= <18>;
		hibernate		= <19>;
		system-reboot		= <20>;
	};

	failsafe {
		device_type = "serial";
	};

	pci@80000000 {
		device_type		= "pci";
		#address-cells		= <3>;
		#size-cells		= <2>;
		clock-frequency		= <33333333>;
		ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00010000
			  0x02000000 0 0x80000000 0x80000000 0 0x40000000>;
		8259-interrupt-acknowledge = <0xf1000cb4>;
		reg = <0x80000000 0x40000000>;
		pci-bridge-number	= <0>;
		bus-range		= <0 0>;

		isa@c {
			vendor-id	= <0x1106>;
			device-id	= <0x8231>;
			revision-id	= <0x10>;
			class-code	= <0x60100>;
			/* Pegasos firmware has subsystem-id and
			   subsystem-vendor-id swapped */
			subsystem-id	= <0x1af4>;
			subsystem-vendor-id = <0x1100>;
			reg = <0x6000 0 0 0 0>;
			device_type	= "isa";
			#address-cells	= <2>;
			#size-cells	= <1>;
			eisa-slots	= <0>;
			clock-frequency	= <8333333>;
			slot-names	= <0>;

			serial@i2f8 {
				device_type	= "serial";
				reg		= <1 0x2f8 8>;
				interrupts	= <3 0>;
				clock-frequency	= <1843200>;
				compatible	= "pnpPNP,501";
			};

			8042@i60 {
				device_type	= "";
				reg		= <1 0x60 5>;
				clock-frequency	= <0>;
				compatible	= "chrp,8042";
				interrupt-controller = "";
				#address-cells	= <1>;
				#size-cells	= <0>;
				#interrupt-cells = <2>;

			};

			keyboard@i60 {
				device_type	= "keyboard";
				reg		= <1 0x60 5>;
				interrupts	= <1 0>;
				compatible	= "pnpPNP,303";
			};

			rtc@i70 {
				device_type	= "rtc";
				reg		= <1 0x70 2>;
				interrupts	= <8 0>;
				clock-frequency	= <0>;
				compatible	= "ds1385-rtc";
			};

			timer@i40 {
				device_type	= "timer";
				reg		= <1 0x40 8>;
				clock-frequency	= <0>;
				compatible	= "pnpPNP,100";
			};

			fdc@i3f0 {
				device_type	= "fdc";
				reg		= <1 0x3f0 8>;
				interrupts	= <6 0>;
				clock-frequency	= <0>;
				compatible	= "pnpPNP,700";
			};

			lpt@i3bc {
				device_type	= "lpt";
				reg		= <1 0x3bc 8>;
				interrupts	= <7 0>;
				clock-frequency	= <0>;
				compatible	= "pnpPNP,400";
			};
		};
	};

	pci@c0000000 {
		device_type		= "pci";
		#address-cells		= <3>;
		#size-cells		= <2>;
		clock-frequency		= <66666666>;
		ranges = <0x01000000 0 0x00000000 0xf8000000 0 0x00010000
			  0x02000000 0 0xc0000000 0xc0000000 0 0x20000000>;
		reg = <0xc0000000 0x20000000>;
		pci-bridge-number	= <1>;
		bus-range		= <0 0>;
	};
};