1 /*
2 * Device Tree Source for IBM/AMCC Taishan
3 *
4 * Copyright 2007 IBM Corp.
5 * Hugh Blemings <hugh@au.ibm.com> based off code by
6 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without
10 * any warranty of any kind, whether express or implied.
11 */
12
13 /dts-v1/;
14
15 / {
16 #address-cells = <2>;
17 #size-cells = <1>;
18 model = "amcc,taishan";
19 compatible = "amcc,taishan";
20 dcr-parent = <&{/cpus/cpu@0}>;
21
22 aliases {
23 ethernet0 = &EMAC2;
24 ethernet1 = &EMAC3;
25 serial0 = &UART0;
26 serial1 = &UART1;
27 };
28
29 cpus {
30 #address-cells = <1>;
31 #size-cells = <0>;
32
33 cpu@0 {
34 device_type = "cpu";
35 model = "PowerPC,440GX";
36 reg = <0x00000000>;
37 clock-frequency = <800000000>; // 800MHz
38 timebase-frequency = <0>; // Filled in by zImage
39 i-cache-line-size = <50>;
40 d-cache-line-size = <50>;
41 i-cache-size = <32768>; /* 32 kB */
42 d-cache-size = <32768>; /* 32 kB */
43 dcr-controller;
44 dcr-access-method = "native";
45 };
46 };
47
48 memory {
49 device_type = "memory";
50 reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
51 };
52
53
54 UICB0: interrupt-controller-base {
55 compatible = "ibm,uic-440gx", "ibm,uic";
56 interrupt-controller;
57 cell-index = <3>;
58 dcr-reg = <0x200 0x009>;
59 #address-cells = <0>;
60 #size-cells = <0>;
61 #interrupt-cells = <2>;
62 };
63
64
65 UIC0: interrupt-controller0 {
66 compatible = "ibm,uic-440gx", "ibm,uic";
67 interrupt-controller;
68 cell-index = <0>;
69 dcr-reg = <0x0c0 0x009>;
70 #address-cells = <0>;
71 #size-cells = <0>;
72 #interrupt-cells = <2>;
73 interrupts = <0x1 0x4 0x0 0x4>; /* cascade - first non-critical */
74 interrupt-parent = <&UICB0>;
75
76 };
77
78 UIC1: interrupt-controller1 {
79 compatible = "ibm,uic-440gx", "ibm,uic";
80 interrupt-controller;
81 cell-index = <1>;
82 dcr-reg = <0x0d0 0x009>;
83 #address-cells = <0>;
84 #size-cells = <0>;
85 #interrupt-cells = <2>;
86 interrupts = <0x3 0x4 0x2 0x4>; /* cascade */
87 interrupt-parent = <&UICB0>;
88 };
89
90 UIC2: interrupt-controller2 {
91 compatible = "ibm,uic-440gx", "ibm,uic";
92 interrupt-controller;
93 cell-index = <2>; /* was 1 */
94 dcr-reg = <0x210 0x009>;
95 #address-cells = <0>;
96 #size-cells = <0>;
97 #interrupt-cells = <2>;
98 interrupts = <0x5 0x4 0x4 0x4>; /* cascade */
99 interrupt-parent = <&UICB0>;
100 };
101
102
103 CPC0: cpc {
104 compatible = "ibm,cpc-440gp";
105 dcr-reg = <0x0b0 0x003 0x0e0 0x010>;
106 // FIXME: anything else?
107 };
108
109 L2C0: l2c {
110 compatible = "ibm,l2-cache-440gx", "ibm,l2-cache";
111 dcr-reg = <0x020 0x008 /* Internal SRAM DCR's */
112 0x030 0x008>; /* L2 cache DCR's */
113 cache-line-size = <32>; /* 32 bytes */
114 cache-size = <262144>; /* L2, 256K */
115 interrupt-parent = <&UIC2>;
116 interrupts = <0x17 0x1>;
117 };
118
119 plb {
120 compatible = "ibm,plb-440gx", "ibm,plb4";
121 #address-cells = <2>;
122 #size-cells = <1>;
123 ranges;
124 clock-frequency = <160000000>; // 160MHz
125
126 SDRAM0: memory-controller {
127 compatible = "ibm,sdram-440gp";
128 dcr-reg = <0x010 0x002>;
129 // FIXME: anything else?
130 };
131
132 SRAM0: sram {
133 compatible = "ibm,sram-440gp";
134 dcr-reg = <0x020 0x008 0x00a 0x001>;
135 };
136
137 DMA0: dma {
138 // FIXME: ???
139 compatible = "ibm,dma-440gp";
140 dcr-reg = <0x100 0x027>;
141 };
142
143 MAL0: mcmal {
144 compatible = "ibm,mcmal-440gx", "ibm,mcmal2";
145 dcr-reg = <0x180 0x062>;
146 num-tx-chans = <4>;
147 num-rx-chans = <4>;
148 interrupt-parent = <&MAL0>;
149 interrupts = <0x0 0x1 0x2 0x3 0x4>;
150 #interrupt-cells = <1>;
151 #address-cells = <0>;
152 #size-cells = <0>;
153 interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4
154 /*RXEOB*/ 0x1 &UIC0 0xb 0x4
155 /*SERR*/ 0x2 &UIC1 0x0 0x4
156 /*TXDE*/ 0x3 &UIC1 0x1 0x4
157 /*RXDE*/ 0x4 &UIC1 0x2 0x4>;
158 interrupt-map-mask = <0xffffffff>;
159 };
160
161 POB0: opb {
162 compatible = "ibm,opb-440gx", "ibm,opb";
163 #address-cells = <1>;
164 #size-cells = <1>;
165 /* Wish there was a nicer way of specifying a full 32-bit
166 range */
167 ranges = <0x00000000 0x00000001 0x00000000 0x80000000
168 0x80000000 0x00000001 0x80000000 0x80000000>;
169 dcr-reg = <0x090 0x00b>;
170 interrupt-parent = <&UIC1>;
171 interrupts = <0x7 0x4>;
172 clock-frequency = <80000000>; // 80MHz
173
174
175 EBC0: ebc {
176 compatible = "ibm,ebc-440gx", "ibm,ebc";
177 dcr-reg = <0x012 0x002>;
178 #address-cells = <2>;
179 #size-cells = <1>;
180 clock-frequency = <80000000>; // 80MHz
181
182 /* ranges property is supplied by zImage
183 * based on firmware's configuration of the
184 * EBC bridge */
185
186 interrupts = <0x5 0x4>;
187 interrupt-parent = <&UIC1>;
188
189 nor_flash@0,0 {
190 compatible = "cfi-flash";
191 bank-width = <4>;
192 device-width = <2>;
193 reg = <0x0 0x0 0x4000000>;
194 #address-cells = <1>;
195 #size-cells = <1>;
196 partition@0 {
197 label = "kernel";
198 reg = <0x0 0x180000>;
199 };
200 partition@180000 {
201 label = "root";
202 reg = <0x180000 0x200000>;
203 };
204 partition@380000 {
205 label = "user";
206 reg = <0x380000 0x3bc0000>;
207 };
208 partition@3f40000 {
209 label = "env";
210 reg = <0x3f40000 0x80000>;
211 };
212 partition@3fc0000 {
213 label = "u-boot";
214 reg = <0x3fc0000 0x40000>;
215 };
216 };
217 };
218
219
220
221 UART0: serial@40000200 {
222 device_type = "serial";
223 compatible = "ns16550";
224 reg = <0x40000200 0x00000008>;
225 virtual-reg = <0xe0000200>;
226 clock-frequency = <11059200>;
227 current-speed = <115200>; /* 115200 */
228 interrupt-parent = <&UIC0>;
229 interrupts = <0x0 0x4>;
230 };
231
232 UART1: serial@40000300 {
233 device_type = "serial";
234 compatible = "ns16550";
235 reg = <0x40000300 0x00000008>;
236 virtual-reg = <0xe0000300>;
237 clock-frequency = <11059200>;
238 current-speed = <115200>; /* 115200 */
239 interrupt-parent = <&UIC0>;
240 interrupts = <0x1 0x4>;
241 };
242
243 IIC0: i2c@40000400 {
244 /* FIXME */
245 compatible = "ibm,iic-440gp", "ibm,iic";
246 reg = <0x40000400 0x00000014>;
247 interrupt-parent = <&UIC0>;
248 interrupts = <0x2 0x4>;
249 };
250 IIC1: i2c@40000500 {
251 /* FIXME */
252 compatible = "ibm,iic-440gp", "ibm,iic";
253 reg = <0x40000500 0x00000014>;
254 interrupt-parent = <&UIC0>;
255 interrupts = <0x3 0x4>;
256 };
257
258 GPIO0: gpio@40000700 {
259 /* FIXME */
260 compatible = "ibm,gpio-440gp";
261 reg = <0x40000700 0x00000020>;
262 };
263
264 ZMII0: emac-zmii@40000780 {
265 compatible = "ibm,zmii-440gx", "ibm,zmii";
266 reg = <0x40000780 0x0000000c>;
267 };
268
269 RGMII0: emac-rgmii@40000790 {
270 compatible = "ibm,rgmii";
271 reg = <0x40000790 0x00000008>;
272 };
273
274 TAH0: emac-tah@40000b50 {
275 compatible = "ibm,tah-440gx", "ibm,tah";
276 reg = <0x40000b50 0x00000030>;
277 };
278
279 TAH1: emac-tah@40000d50 {
280 compatible = "ibm,tah-440gx", "ibm,tah";
281 reg = <0x40000d50 0x00000030>;
282 };
283
284 EMAC0: ethernet@40000800 {
285 unused = <0x1>;
286 device_type = "network";
287 compatible = "ibm,emac-440gx", "ibm,emac4";
288 interrupt-parent = <&UIC1>;
289 interrupts = <0x1c 0x4 0x1d 0x4>;
290 reg = <0x40000800 0x00000074>;
291 local-mac-address = [000000000000]; // Filled in by zImage
292 mal-device = <&MAL0>;
293 mal-tx-channel = <0>;
294 mal-rx-channel = <0>;
295 cell-index = <0>;
296 max-frame-size = <1500>;
297 rx-fifo-size = <4096>;
298 tx-fifo-size = <2048>;
299 phy-mode = "rmii";
300 phy-map = <0x00000001>;
301 zmii-device = <&ZMII0>;
302 zmii-channel = <0>;
303 };
304 EMAC1: ethernet@40000900 {
305 unused = <0x1>;
306 device_type = "network";
307 compatible = "ibm,emac-440gx", "ibm,emac4";
308 interrupt-parent = <&UIC1>;
309 interrupts = <0x1e 0x4 0x1f 0x4>;
310 reg = <0x40000900 0x00000074>;
311 local-mac-address = [000000000000]; // Filled in by zImage
312 mal-device = <&MAL0>;
313 mal-tx-channel = <1>;
314 mal-rx-channel = <1>;
315 cell-index = <1>;
316 max-frame-size = <1500>;
317 rx-fifo-size = <4096>;
318 tx-fifo-size = <2048>;
319 phy-mode = "rmii";
320 phy-map = <0x00000001>;
321 zmii-device = <&ZMII0>;
322 zmii-channel = <1>;
323 };
324
325 EMAC2: ethernet@40000c00 {
326 device_type = "network";
327 compatible = "ibm,emac-440gx", "ibm,emac4";
328 interrupt-parent = <&UIC2>;
329 interrupts = <0x0 0x4 0x1 0x4>;
330 reg = <0x40000c00 0x00000074>;
331 local-mac-address = [000000000000]; // Filled in by zImage
332 mal-device = <&MAL0>;
333 mal-tx-channel = <2>;
334 mal-rx-channel = <2>;
335 cell-index = <2>;
336 max-frame-size = <9000>;
337 rx-fifo-size = <4096>;
338 tx-fifo-size = <2048>;
339 phy-mode = "rgmii";
340 phy-address = <1>;
341 rgmii-device = <&RGMII0>;
342 rgmii-channel = <0>;
343 zmii-device = <&ZMII0>;
344 zmii-channel = <2>;
345 tah-device = <&TAH0>;
346 tah-channel = <0>;
347 };
348
349 EMAC3: ethernet@40000e00 {
350 device_type = "network";
351 compatible = "ibm,emac-440gx", "ibm,emac4";
352 interrupt-parent = <&UIC2>;
353 interrupts = <0x2 0x4 0x3 0x4>;
354 reg = <0x40000e00 0x00000074>;
355 local-mac-address = [000000000000]; // Filled in by zImage
356 mal-device = <&MAL0>;
357 mal-tx-channel = <3>;
358 mal-rx-channel = <3>;
359 cell-index = <3>;
360 max-frame-size = <9000>;
361 rx-fifo-size = <4096>;
362 tx-fifo-size = <2048>;
363 phy-mode = "rgmii";
364 phy-address = <3>;
365 rgmii-device = <&RGMII0>;
366 rgmii-channel = <1>;
367 zmii-device = <&ZMII0>;
368 zmii-channel = <3>;
369 tah-device = <&TAH1>;
370 tah-channel = <0>;
371 };
372
373
374 GPT0: gpt@40000a00 {
375 /* FIXME */
376 reg = <0x40000a00 0x000000d4>;
377 interrupt-parent = <&UIC0>;
378 interrupts = <0x12 0x4 0x13 0x4 0x14 0x4 0x15 0x4 0x16 0x4>;
379 };
380
381 };
382
383 PCIX0: pci@20ec00000 {
384 device_type = "pci";
385 #interrupt-cells = <1>;
386 #size-cells = <2>;
387 #address-cells = <3>;
388 compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
389 primary;
390 large-inbound-windows;
391 enable-msi-hole;
392 reg = <0x00000002 0x0ec00000 0x00000008 /* Config space access */
393 0x00000000 0x00000000 0x00000000 /* no IACK cycles */
394 0x00000002 0x0ed00000 0x00000004 /* Special cycles */
395 0x00000002 0x0ec80000 0x00000100 /* Internal registers */
396 0x00000002 0x0ec80100 0x000000fc>; /* Internal messaging registers */
397
398 /* Outbound ranges, one memory and one IO,
399 * later cannot be changed
400 */
401 ranges = <0x02000000 0x00000000 0x80000000 0x00000003 0x80000000 0x00000000 0x80000000
402 0x01000000 0x00000000 0x00000000 0x00000002 0x08000000 0x00000000 0x00010000>;
403
404 /* Inbound 2GB range starting at 0 */
405 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
406
407 interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
408 interrupt-map = <
409 /* IDSEL 1 */
410 0x800 0x0 0x0 0x1 &UIC0 0x17 0x8
411 0x800 0x0 0x0 0x2 &UIC0 0x18 0x8
412 0x800 0x0 0x0 0x3 &UIC0 0x19 0x8
413 0x800 0x0 0x0 0x4 &UIC0 0x1a 0x8
414
415 /* IDSEL 2 */
416 0x1000 0x0 0x0 0x1 &UIC0 0x18 0x8
417 0x1000 0x0 0x0 0x2 &UIC0 0x19 0x8
418 0x1000 0x0 0x0 0x3 &UIC0 0x1a 0x8
419 0x1000 0x0 0x0 0x4 &UIC0 0x17 0x8
420 >;
421 };
422 };
423
424 chosen {
425 stdout-path = "/plb/opb/serial@40000300";
426 };
427 };
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