1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * AmigaOne Device Tree Source
4 *
5 * Copyright 2008 Gerhard Pircher (gerhard_pircher@gmx.net)
6 */
7
8 /dts-v1/;
9
10 / {
11 model = "AmigaOne";
12 compatible = "eyetech,amigaone";
13 coherency-off;
14 #address-cells = <1>;
15 #size-cells = <1>;
16
17 cpus {
18 #cpus = <1>;
19 #address-cells = <1>;
20 #size-cells = <0>;
21
22 cpu@0 {
23 device_type = "cpu";
24 reg = <0>;
25 d-cache-line-size = <32>; // 32 bytes
26 i-cache-line-size = <32>; // 32 bytes
27 d-cache-size = <32768>; // L1, 32K
28 i-cache-size = <32768>; // L1, 32K
29 timebase-frequency = <0>; // 33.3 MHz, from U-boot
30 clock-frequency = <0>; // From U-boot
31 bus-frequency = <0>; // From U-boot
32 };
33 };
34
35 memory {
36 device_type = "memory";
37 reg = <0 0>; // From U-boot
38 };
39
40 pci@80000000 {
41 device_type = "pci";
42 compatible = "mai-logic,articia-s";
43 bus-frequency = <33333333>;
44 bus-range = <0 0xff>;
45 ranges = <0x01000000 0 0x00000000 0xfe000000 0 0x00c00000 // PCI I/O
46 0x02000000 0 0x80000000 0x80000000 0 0x7d000000 // PCI memory
47 0x02000000 0 0x00000000 0xfd000000 0 0x01000000>; // PCI alias memory (ISA)
48 // Configuration address and data register.
49 reg = <0xfec00cf8 4
50 0xfee00cfc 4>;
51 8259-interrupt-acknowledge = <0xfef00000>;
52 // Do not define a interrupt-parent here, if there is no
53 // interrupt-map property.
54 #address-cells = <3>;
55 #size-cells = <2>;
56
57 isa@7 {
58 device_type = "isa";
59 compatible = "pciclass,0601";
60 vendor-id = <0x00001106>;
61 device-id = <0x00000686>;
62 revision-id = <0x00000010>;
63 class-code = <0x00060100>;
64 subsystem-id = <0>;
65 subsystem-vendor-id = <0>;
66 devsel-speed = <0x00000001>;
67 min-grant = <0>;
68 max-latency = <0>;
69 /* First 4k for I/O at 0x0 on PCI mapped to 0x0 on ISA. */
70 ranges = <0x00000001 0 0x01000000 0 0x00000000 0x00001000>;
71 interrupt-parent = <&i8259>;
72 #interrupt-cells = <2>;
73 #address-cells = <2>;
74 #size-cells = <1>;
75
76 dma-controller@0 {
77 compatible = "pnpPNP,200";
78 reg = <1 0x00000000 0x00000020
79 1 0x00000080 0x00000010
80 1 0x000000c0 0x00000020>;
81 };
82
83 i8259: interrupt-controller@20 {
84 device_type = "interrupt-controller";
85 compatible = "pnpPNP,000";
86 interrupt-controller;
87 reg = <1 0x00000020 0x00000002
88 1 0x000000a0 0x00000002
89 1 0x000004d0 0x00000002>;
90 reserved-interrupts = <2>;
91 #interrupt-cells = <2>;
92 };
93
94 timer@40 {
95 // Also adds pcspkr to platform devices.
96 compatible = "pnpPNP,100";
97 reg = <1 0x00000040 0x00000020>;
98 };
99
100 8042@60 {
101 device_type = "8042";
102 reg = <1 0x00000060 0x00000001
103 1 0x00000064 0x00000001>;
104 interrupts = <1 3 12 3>;
105 #address-cells = <1>;
106 #size-cells = <0>;
107
108 keyboard@0 {
109 compatible = "pnpPNP,303";
110 reg = <0>;
111 };
112
113 mouse@1 {
114 compatible = "pnpPNP,f03";
115 reg = <1>;
116 };
117 };
118
119 rtc@70 {
120 compatible = "pnpPNP,b00";
121 reg = <1 0x00000070 0x00000002>;
122 interrupts = <8 3>;
123 };
124
125 serial@3f8 {
126 device_type = "serial";
127 compatible = "pnpPNP,501","pnpPNP,500";
128 reg = <1 0x000003f8 0x00000008>;
129 interrupts = <4 3>;
130 clock-frequency = <1843200>;
131 current-speed = <115200>;
132 };
133
134 serial@2f8 {
135 device_type = "serial";
136 compatible = "pnpPNP,501","pnpPNP,500";
137 reg = <1 0x000002f8 0x00000008>;
138 interrupts = <3 3>;
139 clock-frequency = <1843200>;
140 current-speed = <115200>;
141 };
142
143 parallel@378 {
144 device_type = "parallel";
145 // No ECP support for now, otherwise add "pnpPNP,401".
146 compatible = "pnpPNP,400";
147 reg = <1 0x00000378 0x00000003
148 1 0x00000778 0x00000003>;
149 };
150
151 fdc@3f0 {
152 device_type = "fdc";
153 compatible = "pnpPNP,700";
154 reg = <1 0x000003f0 0x00000008>;
155 interrupts = <6 3>;
156 #address-cells = <1>;
157 #size-cells = <0>;
158
159 disk@0 {
160 reg = <0>;
161 };
162 };
163 };
164 };
165
166 chosen {
167 stdout-path = "/pci@80000000/isa@7/serial@3f8";
168 };
169 };
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