0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003 * AmigaOne Device Tree Source
0004 *
0005 * Copyright 2008 Gerhard Pircher (gerhard_pircher@gmx.net)
0006 */
0007
0008 /dts-v1/;
0009
0010 / {
0011 model = "AmigaOne";
0012 compatible = "eyetech,amigaone";
0013 coherency-off;
0014 #address-cells = <1>;
0015 #size-cells = <1>;
0016
0017 cpus {
0018 #cpus = <1>;
0019 #address-cells = <1>;
0020 #size-cells = <0>;
0021
0022 cpu@0 {
0023 device_type = "cpu";
0024 reg = <0>;
0025 d-cache-line-size = <32>; // 32 bytes
0026 i-cache-line-size = <32>; // 32 bytes
0027 d-cache-size = <32768>; // L1, 32K
0028 i-cache-size = <32768>; // L1, 32K
0029 timebase-frequency = <0>; // 33.3 MHz, from U-boot
0030 clock-frequency = <0>; // From U-boot
0031 bus-frequency = <0>; // From U-boot
0032 };
0033 };
0034
0035 memory {
0036 device_type = "memory";
0037 reg = <0 0>; // From U-boot
0038 };
0039
0040 pci@80000000 {
0041 device_type = "pci";
0042 compatible = "mai-logic,articia-s";
0043 bus-frequency = <33333333>;
0044 bus-range = <0 0xff>;
0045 ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00c00000 // PCI I/O
0046 0x02000000 0 0x80000000 0x80000000 0 0x7d000000 // PCI memory
0047 0x02000000 0 0x00000000 0xfd000000 0 0x01000000>; // PCI alias memory (ISA)
0048 // Configuration address and data register.
0049 reg = <0xfec00cf8 4
0050 0xfee00cfc 4>;
0051 8259-interrupt-acknowledge = <0xfef00000>;
0052 // Do not define a interrupt-parent here, if there is no
0053 // interrupt-map property.
0054 #address-cells = <3>;
0055 #size-cells = <2>;
0056
0057 isa@7 {
0058 device_type = "isa";
0059 compatible = "pciclass,0601";
0060 vendor-id = <0x00001106>;
0061 device-id = <0x00000686>;
0062 revision-id = <0x00000010>;
0063 class-code = <0x00060100>;
0064 subsystem-id = <0>;
0065 subsystem-vendor-id = <0>;
0066 devsel-speed = <0x00000001>;
0067 min-grant = <0>;
0068 max-latency = <0>;
0069 /* First 4k for I/O at 0x0 on PCI mapped to 0x0 on ISA. */
0070 ranges = <0x00000001 0 0x01000000 0 0x00000000 0x00001000>;
0071 interrupt-parent = <&i8259>;
0072 #interrupt-cells = <2>;
0073 #address-cells = <2>;
0074 #size-cells = <1>;
0075
0076 dma-controller@0 {
0077 compatible = "pnpPNP,200";
0078 reg = <1 0x00000000 0x00000020
0079 1 0x00000080 0x00000010
0080 1 0x000000c0 0x00000020>;
0081 };
0082
0083 i8259: interrupt-controller@20 {
0084 device_type = "interrupt-controller";
0085 compatible = "pnpPNP,000";
0086 interrupt-controller;
0087 reg = <1 0x00000020 0x00000002
0088 1 0x000000a0 0x00000002
0089 1 0x000004d0 0x00000002>;
0090 reserved-interrupts = <2>;
0091 #interrupt-cells = <2>;
0092 };
0093
0094 timer@40 {
0095 // Also adds pcspkr to platform devices.
0096 compatible = "pnpPNP,100";
0097 reg = <1 0x00000040 0x00000020>;
0098 };
0099
0100 8042@60 {
0101 device_type = "8042";
0102 reg = <1 0x00000060 0x00000001
0103 1 0x00000064 0x00000001>;
0104 interrupts = <1 3 12 3>;
0105 #address-cells = <1>;
0106 #size-cells = <0>;
0107
0108 keyboard@0 {
0109 compatible = "pnpPNP,303";
0110 reg = <0>;
0111 };
0112
0113 mouse@1 {
0114 compatible = "pnpPNP,f03";
0115 reg = <1>;
0116 };
0117 };
0118
0119 rtc@70 {
0120 compatible = "pnpPNP,b00";
0121 reg = <1 0x00000070 0x00000002>;
0122 interrupts = <8 3>;
0123 };
0124
0125 serial@3f8 {
0126 device_type = "serial";
0127 compatible = "pnpPNP,501","pnpPNP,500";
0128 reg = <1 0x000003f8 0x00000008>;
0129 interrupts = <4 3>;
0130 clock-frequency = <1843200>;
0131 current-speed = <115200>;
0132 };
0133
0134 serial@2f8 {
0135 device_type = "serial";
0136 compatible = "pnpPNP,501","pnpPNP,500";
0137 reg = <1 0x000002f8 0x00000008>;
0138 interrupts = <3 3>;
0139 clock-frequency = <1843200>;
0140 current-speed = <115200>;
0141 };
0142
0143 parallel@378 {
0144 device_type = "parallel";
0145 // No ECP support for now, otherwise add "pnpPNP,401".
0146 compatible = "pnpPNP,400";
0147 reg = <1 0x00000378 0x00000003
0148 1 0x00000778 0x00000003>;
0149 };
0150
0151 fdc@3f0 {
0152 device_type = "fdc";
0153 compatible = "pnpPNP,700";
0154 reg = <1 0x000003f0 0x00000008>;
0155 interrupts = <6 3>;
0156 #address-cells = <1>;
0157 #size-cells = <0>;
0158
0159 disk@0 {
0160 reg = <0>;
0161 };
0162 };
0163 };
0164 };
0165
0166 chosen {
0167 stdout-path = "/pci@80000000/isa@7/serial@3f8";
0168 };
0169 };
