1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3
4 /memreserve/ 0x00000000 0x00001000; // reserved
5 /memreserve/ 0x00001000 0x000ef000; // ROM data
6 /memreserve/ 0x000f0000 0x004cc000; // reserved
7
8 #include <dt-bindings/interrupt-controller/mips-gic.h>
9
10 / {
11 #address-cells = <1>;
12 #size-cells = <1>;
13 compatible = "mti,sead-3";
14 model = "MIPS SEAD-3";
15
16 chosen {
17 stdout-path = "serial1:115200";
18 };
19
20 aliases {
21 serial0 = &uart0;
22 serial1 = &uart1;
23 };
24
25 cpus {
26 cpu@0 {
27 compatible = "mti,mips14KEc", "mti,mips14Kc";
28 };
29 };
30
31 memory {
32 device_type = "memory";
33 reg = <0x0 0x08000000>;
34 };
35
36 cpu_intc: interrupt-controller {
37 compatible = "mti,cpu-interrupt-controller";
38
39 interrupt-controller;
40 #interrupt-cells = <1>;
41 };
42
43 gic: interrupt-controller@1b1c0000 {
44 compatible = "mti,gic";
45 reg = <0x1b1c0000 0x20000>;
46
47 interrupt-controller;
48 #interrupt-cells = <3>;
49
50 /*
51 * Declare the interrupt-parent even though the mti,gic
52 * binding doesn't require it, such that the kernel can
53 * figure out that cpu_intc is the root interrupt
54 * controller & should be probed first.
55 */
56 interrupt-parent = <&cpu_intc>;
57 };
58
59 usb@1b200000 {
60 compatible = "generic-ehci";
61 reg = <0x1b200000 0x1000>;
62
63 interrupt-parent = <&gic>;
64 interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>; /* GIC 0 or CPU 6 */
65
66 has-transaction-translator;
67 };
68
69 flash@1c000000 {
70 compatible = "intel,28f128j3", "cfi-flash";
71 reg = <0x1c000000 0x2000000>;
72 #address-cells = <1>;
73 #size-cells = <1>;
74 bank-width = <4>;
75
76 partitions {
77 compatible = "fixed-partitions";
78 #address-cells = <1>;
79 #size-cells = <1>;
80
81 user-fs@0 {
82 label = "User FS";
83 reg = <0x0 0x1fc0000>;
84 };
85
86 board-config@3e0000 {
87 label = "Board Config";
88 reg = <0x1fc0000 0x40000>;
89 };
90 };
91 };
92
93 fpga_regs: system-controller@1f000000 {
94 compatible = "mti,sead3-fpga", "syscon", "simple-mfd";
95 reg = <0x1f000000 0x200>;
96
97 reboot {
98 compatible = "syscon-reboot";
99 regmap = <&fpga_regs>;
100 offset = <0x50>;
101 mask = <0x4d>;
102 };
103
104 poweroff {
105 compatible = "restart-poweroff";
106 };
107 };
108
109 system-controller@1f000200 {
110 compatible = "mti,sead3-cpld", "syscon", "simple-mfd";
111 reg = <0x1f000200 0x300>;
112
113 led@10.0 {
114 compatible = "register-bit-led";
115 offset = <0x10>;
116 mask = <0x1>;
117 label = "pled0";
118 };
119 led@10.1 {
120 compatible = "register-bit-led";
121 offset = <0x10>;
122 mask = <0x2>;
123 label = "pled1";
124 };
125 led@10.2 {
126 compatible = "register-bit-led";
127 offset = <0x10>;
128 mask = <0x4>;
129 label = "pled2";
130 };
131 led@10.3 {
132 compatible = "register-bit-led";
133 offset = <0x10>;
134 mask = <0x8>;
135 label = "pled3";
136 };
137 led@10.4 {
138 compatible = "register-bit-led";
139 offset = <0x10>;
140 mask = <0x10>;
141 label = "pled4";
142 };
143 led@10.5 {
144 compatible = "register-bit-led";
145 offset = <0x10>;
146 mask = <0x20>;
147 label = "pled5";
148 };
149 led@10.6 {
150 compatible = "register-bit-led";
151 offset = <0x10>;
152 mask = <0x40>;
153 label = "pled6";
154 };
155 led@10.7 {
156 compatible = "register-bit-led";
157 offset = <0x10>;
158 mask = <0x80>;
159 label = "pled7";
160 };
161
162 led@18.0 {
163 compatible = "register-bit-led";
164 offset = <0x18>;
165 mask = <0x1>;
166 label = "fled0";
167 };
168 led@18.1 {
169 compatible = "register-bit-led";
170 offset = <0x18>;
171 mask = <0x2>;
172 label = "fled1";
173 };
174 led@18.2 {
175 compatible = "register-bit-led";
176 offset = <0x18>;
177 mask = <0x4>;
178 label = "fled2";
179 };
180 led@18.3 {
181 compatible = "register-bit-led";
182 offset = <0x18>;
183 mask = <0x8>;
184 label = "fled3";
185 };
186 led@18.4 {
187 compatible = "register-bit-led";
188 offset = <0x18>;
189 mask = <0x10>;
190 label = "fled4";
191 };
192 led@18.5 {
193 compatible = "register-bit-led";
194 offset = <0x18>;
195 mask = <0x20>;
196 label = "fled5";
197 };
198 led@18.6 {
199 compatible = "register-bit-led";
200 offset = <0x18>;
201 mask = <0x40>;
202 label = "fled6";
203 };
204 led@18.7 {
205 compatible = "register-bit-led";
206 offset = <0x18>;
207 mask = <0x80>;
208 label = "fled7";
209 };
210
211 lcd@200 {
212 compatible = "mti,sead3-lcd";
213 offset = <0x200>;
214 };
215 };
216
217 /* UART connected to FTDI & miniUSB socket */
218 uart0: uart@1f000900 {
219 compatible = "ns16550a";
220 reg = <0x1f000900 0x20>;
221 reg-io-width = <4>;
222 reg-shift = <2>;
223
224 clock-frequency = <14745600>;
225
226 interrupt-parent = <&gic>;
227 interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>; /* GIC 3 or CPU 4 */
228
229 no-loopback-test;
230 };
231
232 /* UART connected to RS232 socket */
233 uart1: uart@1f000800 {
234 compatible = "ns16550a";
235 reg = <0x1f000800 0x20>;
236 reg-io-width = <4>;
237 reg-shift = <2>;
238
239 clock-frequency = <14745600>;
240
241 interrupt-parent = <&gic>;
242 interrupts = <GIC_SHARED 2 IRQ_TYPE_LEVEL_HIGH>; /* GIC 2 or CPU 4 */
243
244 no-loopback-test;
245 };
246
247 ethernet@1f010000 {
248 compatible = "smsc,lan9115";
249 reg = <0x1f010000 0x10000>;
250 reg-io-width = <4>;
251
252 interrupt-parent = <&gic>;
253 interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>; /* GIC 0 or CPU 6 */
254
255 phy-mode = "mii";
256 smsc,irq-push-pull;
257 smsc,save-mac-address;
258 };
259 };
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