ubuntu-linux-kernel/arch/powerpc/boot/dts/amigaone.dts

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2024-04-01 15:06:58 +00:00
/*
* AmigaOne Device Tree Source
*
* Copyright 2008 Gerhard Pircher (gerhard_pircher@gmx.net)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
/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 {
linux,stdout-path = "/pci@80000000/isa@7/serial@3f8";
};
};