3c21f9dfcf
When running without firmware ROM using Virtual Open Firmware we need to do some hardware initialisation and provide the device tree as the machine firmware would normally do. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Link: https://lore.kernel.org/qemu-devel/d2d7f173dbd436b47382f384d5a93eb7e713424e.1761176219.git.balaton@eik.bme.hu Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
125 lines
2.3 KiB
Text
125 lines
2.3 KiB
Text
/*
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* QEMU Pegasos1 Device Tree Source
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*
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* Copyright 2025 BALATON Zoltan
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* This is partial source, more info will be filled in by board code.
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*/
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/dts-v1/;
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/ {
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#address-cells = <1>;
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device_type = "chrp";
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model = "Pegasos";
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revision = "1A";
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CODEGEN,vendor = "bplan GmbH";
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CODEGEN,board = "Pegasos";
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CODEGEN,description = "Pegasos CHRP PowerPC System";
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openprom {
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model = "Pegasos,0.1b123";
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};
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chosen {
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};
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memory@0 {
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device_type = "memory";
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reg = <0 0>;
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};
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cpus {
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#size-cells = <0>;
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#address-cells = <1>;
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#cpus = <1>;
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};
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failsafe {
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device_type = "serial";
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};
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pci@80000000 {
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device_type = "pci";
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#address-cells = <3>;
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#size-cells = <2>;
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clock-frequency = <33333333>;
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8259-interrupt-acknowledge = <0xfef00000>;
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reg = <0x80000000 0x7f000000>;
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ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00800000
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0x02000000 0 0x80000000 0x80000000 0 0x7d000000
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0x02000000 0 0xfd000000 0xfd000000 0 0x01000000>;
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bus-range = <0 0>;
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isa@7 {
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vendor-id = <0x1106>;
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device-id = <0x8231>;
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revision-id = <0x10>;
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class-code = <0x60100>;
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/* Pegasos firmware has subsystem-id and */
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/* subsystem-vendor-id swapped */
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subsystem-id = <0x1af4>;
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subsystem-vendor-id = <0x1100>;
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reg = <0x3800 0 0 0 0>;
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device_type = "isa";
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#address-cells = <2>;
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#size-cells = <1>;
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eisa-slots = <0>;
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clock-frequency = <8333333>;
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slot-names = <0>;
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serial@i2f8 {
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device_type = "serial";
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reg = <1 0x2f8 8>;
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interrupts = <3 0>;
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clock-frequency = <0>;
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};
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8042@i60 {
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device_type = "";
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reg = <1 0x60 5>;
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clock-frequency = <0>;
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interrupt-controller = "";
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#address-cells = <1>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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};
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keyboard@i60 {
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device_type = "keyboard";
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reg = <1 0x60 5>;
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interrupts = <1 0>;
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};
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rtc@i70 {
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device_type = "rtc";
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reg = <1 0x70 2>;
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interrupts = <8 0>;
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clock-frequency = <0>;
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compatible = "ds1385-rtc";
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};
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timer@i40 {
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device_type = "timer";
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reg = <1 0x40 8>;
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clock-frequency = <0>;
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};
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fdc@i3f0 {
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device_type = "fdc";
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reg = <1 0x3f0 8>;
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interrupts = <6 0>;
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clock-frequency = <0>;
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};
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lpt@i3bc {
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device_type = "lpt";
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reg = <1 0x3bc 8>;
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interrupts = <7 0>;
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clock-frequency = <0>;
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};
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};
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};
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};
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