Commit | Line | Data |
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52d3aff9 DF |
1 | /* |
2 | * Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery) | |
3 | * | |
4 | * Author: Dale Farnsworth <dale@farnsworth.org> | |
5 | * | |
6 | * 2007 (c) MontaVista, Software, Inc. This file is licensed under | |
7 | * the terms of the GNU General Public License version 2. This program | |
8 | * is licensed "as is" without any warranty of any kind, whether express | |
9 | * or implied. | |
10 | */ | |
11 | ||
12 | #include <linux/stddef.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
542c98c0 | 15 | #include <linux/console.h> |
52d3aff9 DF |
16 | #include <linux/mv643xx.h> |
17 | #include <linux/platform_device.h> | |
18 | ||
19 | #include <asm/prom.h> | |
20 | ||
21 | /* | |
22 | * These functions provide the necessary setup for the mv64x60 drivers. | |
23 | * These drivers are unusual in that they work on both the MIPS and PowerPC | |
24 | * architectures. Because of that, the drivers do not support the normal | |
25 | * PowerPC of_platform_bus_type. They support platform_bus_type instead. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Create MPSC platform devices | |
30 | */ | |
31 | static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np) | |
32 | { | |
33 | struct platform_device *pdev; | |
34 | struct resource r[2]; | |
35 | struct mpsc_shared_pdata pdata; | |
36 | const phandle *ph; | |
37 | struct device_node *mpscrouting, *mpscintr; | |
38 | int err; | |
39 | ||
40 | ph = of_get_property(np, "mpscrouting", NULL); | |
41 | mpscrouting = of_find_node_by_phandle(*ph); | |
42 | if (!mpscrouting) | |
43 | return -ENODEV; | |
44 | ||
45 | err = of_address_to_resource(mpscrouting, 0, &r[0]); | |
46 | of_node_put(mpscrouting); | |
47 | if (err) | |
48 | return err; | |
49 | ||
50 | ph = of_get_property(np, "mpscintr", NULL); | |
51 | mpscintr = of_find_node_by_phandle(*ph); | |
52 | if (!mpscintr) | |
53 | return -ENODEV; | |
54 | ||
55 | err = of_address_to_resource(mpscintr, 0, &r[1]); | |
56 | of_node_put(mpscintr); | |
57 | if (err) | |
58 | return err; | |
59 | ||
60 | memset(&pdata, 0, sizeof(pdata)); | |
61 | ||
62 | pdev = platform_device_alloc(MPSC_SHARED_NAME, 0); | |
63 | if (!pdev) | |
64 | return -ENOMEM; | |
65 | ||
66 | err = platform_device_add_resources(pdev, r, 2); | |
67 | if (err) | |
68 | goto error; | |
69 | ||
70 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
71 | if (err) | |
72 | goto error; | |
73 | ||
74 | err = platform_device_add(pdev); | |
75 | if (err) | |
76 | goto error; | |
77 | ||
78 | return 0; | |
79 | ||
80 | error: | |
81 | platform_device_put(pdev); | |
82 | return err; | |
83 | } | |
84 | ||
85 | ||
86 | static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) | |
87 | { | |
88 | struct resource r[5]; | |
89 | struct mpsc_pdata pdata; | |
90 | struct platform_device *pdev; | |
91 | const unsigned int *prop; | |
92 | const phandle *ph; | |
93 | struct device_node *sdma, *brg; | |
94 | int err; | |
95 | int port_number; | |
96 | ||
97 | /* only register the shared platform device the first time through */ | |
98 | if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np))) | |
99 | return err; | |
100 | ||
101 | memset(r, 0, sizeof(r)); | |
102 | ||
103 | err = of_address_to_resource(np, 0, &r[0]); | |
104 | if (err) | |
105 | return err; | |
106 | ||
107 | of_irq_to_resource(np, 0, &r[4]); | |
108 | ||
109 | ph = of_get_property(np, "sdma", NULL); | |
110 | sdma = of_find_node_by_phandle(*ph); | |
111 | if (!sdma) | |
112 | return -ENODEV; | |
113 | ||
114 | of_irq_to_resource(sdma, 0, &r[3]); | |
115 | err = of_address_to_resource(sdma, 0, &r[1]); | |
116 | of_node_put(sdma); | |
117 | if (err) | |
118 | return err; | |
119 | ||
120 | ph = of_get_property(np, "brg", NULL); | |
121 | brg = of_find_node_by_phandle(*ph); | |
122 | if (!brg) | |
123 | return -ENODEV; | |
124 | ||
125 | err = of_address_to_resource(brg, 0, &r[2]); | |
126 | of_node_put(brg); | |
127 | if (err) | |
128 | return err; | |
129 | ||
1791f91b | 130 | prop = of_get_property(np, "cell-index", NULL); |
52d3aff9 DF |
131 | if (!prop) |
132 | return -ENODEV; | |
133 | port_number = *(int *)prop; | |
134 | ||
135 | memset(&pdata, 0, sizeof(pdata)); | |
136 | ||
137 | pdata.cache_mgmt = 1; /* All current revs need this set */ | |
138 | ||
1791f91b | 139 | pdata.max_idle = 40; /* default */ |
52d3aff9 DF |
140 | prop = of_get_property(np, "max_idle", NULL); |
141 | if (prop) | |
142 | pdata.max_idle = *prop; | |
143 | ||
144 | prop = of_get_property(brg, "current-speed", NULL); | |
145 | if (prop) | |
146 | pdata.default_baud = *prop; | |
147 | ||
148 | /* Default is 8 bits, no parity, no flow control */ | |
149 | pdata.default_bits = 8; | |
150 | pdata.default_parity = 'n'; | |
151 | pdata.default_flow = 'n'; | |
152 | ||
153 | prop = of_get_property(np, "chr_1", NULL); | |
154 | if (prop) | |
155 | pdata.chr_1_val = *prop; | |
156 | ||
157 | prop = of_get_property(np, "chr_2", NULL); | |
158 | if (prop) | |
159 | pdata.chr_2_val = *prop; | |
160 | ||
161 | prop = of_get_property(np, "chr_10", NULL); | |
162 | if (prop) | |
163 | pdata.chr_10_val = *prop; | |
164 | ||
165 | prop = of_get_property(np, "mpcr", NULL); | |
166 | if (prop) | |
167 | pdata.mpcr_val = *prop; | |
168 | ||
169 | prop = of_get_property(brg, "bcr", NULL); | |
170 | if (prop) | |
171 | pdata.bcr_val = *prop; | |
172 | ||
173 | pdata.brg_can_tune = 1; /* All current revs need this set */ | |
174 | ||
175 | prop = of_get_property(brg, "clock-src", NULL); | |
176 | if (prop) | |
177 | pdata.brg_clk_src = *prop; | |
178 | ||
179 | prop = of_get_property(brg, "clock-frequency", NULL); | |
180 | if (prop) | |
181 | pdata.brg_clk_freq = *prop; | |
182 | ||
183 | pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); | |
184 | if (!pdev) | |
185 | return -ENOMEM; | |
186 | ||
187 | err = platform_device_add_resources(pdev, r, 5); | |
188 | if (err) | |
189 | goto error; | |
190 | ||
191 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
192 | if (err) | |
193 | goto error; | |
194 | ||
195 | err = platform_device_add(pdev); | |
196 | if (err) | |
197 | goto error; | |
198 | ||
199 | return 0; | |
200 | ||
201 | error: | |
202 | platform_device_put(pdev); | |
203 | return err; | |
204 | } | |
205 | ||
649c8e02 DF |
206 | /* |
207 | * Create mv64x60_eth platform devices | |
208 | */ | |
a0916bd6 DF |
209 | static struct platform_device * __init mv64x60_eth_register_shared_pdev( |
210 | struct device_node *np, int id) | |
649c8e02 DF |
211 | { |
212 | struct platform_device *pdev; | |
213 | struct resource r[1]; | |
214 | int err; | |
215 | ||
649c8e02 | 216 | err = of_address_to_resource(np, 0, &r[0]); |
649c8e02 | 217 | if (err) |
a0916bd6 | 218 | return ERR_PTR(err); |
649c8e02 | 219 | |
a0916bd6 | 220 | pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id, |
649c8e02 | 221 | r, 1); |
a0916bd6 | 222 | return pdev; |
649c8e02 DF |
223 | } |
224 | ||
a0916bd6 DF |
225 | static int __init mv64x60_eth_device_setup(struct device_node *np, int id, |
226 | struct platform_device *shared_pdev) | |
649c8e02 DF |
227 | { |
228 | struct resource r[1]; | |
229 | struct mv643xx_eth_platform_data pdata; | |
230 | struct platform_device *pdev; | |
231 | struct device_node *phy; | |
232 | const u8 *mac_addr; | |
233 | const int *prop; | |
234 | const phandle *ph; | |
235 | int err; | |
236 | ||
649c8e02 DF |
237 | memset(r, 0, sizeof(r)); |
238 | of_irq_to_resource(np, 0, &r[0]); | |
239 | ||
240 | memset(&pdata, 0, sizeof(pdata)); | |
241 | ||
a0916bd6 | 242 | prop = of_get_property(np, "reg", NULL); |
649c8e02 DF |
243 | if (!prop) |
244 | return -ENODEV; | |
245 | pdata.port_number = *prop; | |
246 | ||
247 | mac_addr = of_get_mac_address(np); | |
248 | if (mac_addr) | |
249 | memcpy(pdata.mac_addr, mac_addr, 6); | |
250 | ||
251 | prop = of_get_property(np, "speed", NULL); | |
252 | if (prop) | |
253 | pdata.speed = *prop; | |
254 | ||
255 | prop = of_get_property(np, "tx_queue_size", NULL); | |
256 | if (prop) | |
257 | pdata.tx_queue_size = *prop; | |
258 | ||
259 | prop = of_get_property(np, "rx_queue_size", NULL); | |
260 | if (prop) | |
261 | pdata.rx_queue_size = *prop; | |
262 | ||
263 | prop = of_get_property(np, "tx_sram_addr", NULL); | |
264 | if (prop) | |
265 | pdata.tx_sram_addr = *prop; | |
266 | ||
267 | prop = of_get_property(np, "tx_sram_size", NULL); | |
268 | if (prop) | |
269 | pdata.tx_sram_size = *prop; | |
270 | ||
271 | prop = of_get_property(np, "rx_sram_addr", NULL); | |
272 | if (prop) | |
273 | pdata.rx_sram_addr = *prop; | |
274 | ||
275 | prop = of_get_property(np, "rx_sram_size", NULL); | |
276 | if (prop) | |
277 | pdata.rx_sram_size = *prop; | |
278 | ||
279 | ph = of_get_property(np, "phy", NULL); | |
280 | if (!ph) | |
281 | return -ENODEV; | |
282 | ||
283 | phy = of_find_node_by_phandle(*ph); | |
284 | if (phy == NULL) | |
285 | return -ENODEV; | |
286 | ||
287 | prop = of_get_property(phy, "reg", NULL); | |
288 | if (prop) { | |
289 | pdata.force_phy_addr = 1; | |
290 | pdata.phy_addr = *prop; | |
291 | } | |
292 | ||
293 | of_node_put(phy); | |
294 | ||
a0916bd6 | 295 | pdev = platform_device_alloc(MV643XX_ETH_NAME, id); |
649c8e02 DF |
296 | if (!pdev) |
297 | return -ENOMEM; | |
298 | ||
299 | err = platform_device_add_resources(pdev, r, 1); | |
300 | if (err) | |
301 | goto error; | |
302 | ||
303 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
304 | if (err) | |
305 | goto error; | |
306 | ||
307 | err = platform_device_add(pdev); | |
308 | if (err) | |
309 | goto error; | |
310 | ||
311 | return 0; | |
312 | ||
313 | error: | |
314 | platform_device_put(pdev); | |
315 | return err; | |
316 | } | |
317 | ||
01f0e78e DF |
318 | /* |
319 | * Create mv64x60_i2c platform devices | |
320 | */ | |
321 | static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) | |
322 | { | |
323 | struct resource r[2]; | |
324 | struct platform_device *pdev; | |
325 | struct mv64xxx_i2c_pdata pdata; | |
326 | const unsigned int *prop; | |
327 | int err; | |
328 | ||
329 | memset(r, 0, sizeof(r)); | |
330 | ||
331 | err = of_address_to_resource(np, 0, &r[0]); | |
332 | if (err) | |
333 | return err; | |
334 | ||
335 | of_irq_to_resource(np, 0, &r[1]); | |
336 | ||
337 | memset(&pdata, 0, sizeof(pdata)); | |
338 | ||
1791f91b | 339 | pdata.freq_m = 8; /* default */ |
01f0e78e DF |
340 | prop = of_get_property(np, "freq_m", NULL); |
341 | if (!prop) | |
342 | return -ENODEV; | |
343 | pdata.freq_m = *prop; | |
344 | ||
1791f91b | 345 | pdata.freq_m = 3; /* default */ |
01f0e78e DF |
346 | prop = of_get_property(np, "freq_n", NULL); |
347 | if (!prop) | |
348 | return -ENODEV; | |
349 | pdata.freq_n = *prop; | |
350 | ||
1791f91b | 351 | pdata.timeout = 1000; /* default: 1 second */ |
01f0e78e | 352 | |
01f0e78e DF |
353 | pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); |
354 | if (!pdev) | |
355 | return -ENOMEM; | |
356 | ||
357 | err = platform_device_add_resources(pdev, r, 2); | |
358 | if (err) | |
359 | goto error; | |
360 | ||
361 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
362 | if (err) | |
363 | goto error; | |
364 | ||
365 | err = platform_device_add(pdev); | |
366 | if (err) | |
367 | goto error; | |
368 | ||
369 | return 0; | |
370 | ||
371 | error: | |
372 | platform_device_put(pdev); | |
373 | return err; | |
374 | } | |
375 | ||
7e07a159 DF |
376 | /* |
377 | * Create mv64x60_wdt platform devices | |
378 | */ | |
379 | static int __init mv64x60_wdt_device_setup(struct device_node *np, int id) | |
380 | { | |
381 | struct resource r; | |
382 | struct platform_device *pdev; | |
383 | struct mv64x60_wdt_pdata pdata; | |
384 | const unsigned int *prop; | |
385 | int err; | |
386 | ||
387 | err = of_address_to_resource(np, 0, &r); | |
388 | if (err) | |
389 | return err; | |
390 | ||
391 | memset(&pdata, 0, sizeof(pdata)); | |
392 | ||
1791f91b | 393 | pdata.timeout = 10; /* Default: 10 seconds */ |
7e07a159 DF |
394 | |
395 | np = of_get_parent(np); | |
396 | if (!np) | |
397 | return -ENODEV; | |
398 | ||
399 | prop = of_get_property(np, "clock-frequency", NULL); | |
400 | of_node_put(np); | |
401 | if (!prop) | |
402 | return -ENODEV; | |
403 | pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */ | |
404 | ||
405 | pdev = platform_device_alloc(MV64x60_WDT_NAME, id); | |
406 | if (!pdev) | |
407 | return -ENOMEM; | |
408 | ||
409 | err = platform_device_add_resources(pdev, &r, 1); | |
410 | if (err) | |
411 | goto error; | |
412 | ||
413 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
414 | if (err) | |
415 | goto error; | |
416 | ||
417 | err = platform_device_add(pdev); | |
418 | if (err) | |
419 | goto error; | |
420 | ||
421 | return 0; | |
422 | ||
423 | error: | |
424 | platform_device_put(pdev); | |
425 | return err; | |
426 | } | |
427 | ||
52d3aff9 DF |
428 | static int __init mv64x60_device_setup(void) |
429 | { | |
a0916bd6 DF |
430 | struct device_node *np, *np2; |
431 | struct platform_device *pdev; | |
432 | int id, id2; | |
52d3aff9 DF |
433 | int err; |
434 | ||
26cb7d8b | 435 | id = 0; |
a1810b44 | 436 | for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc") |
26cb7d8b | 437 | if ((err = mv64x60_mpsc_device_setup(np, id++))) |
52d3aff9 DF |
438 | goto error; |
439 | ||
26cb7d8b | 440 | id = 0; |
a0916bd6 DF |
441 | id2 = 0; |
442 | for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") { | |
443 | pdev = mv64x60_eth_register_shared_pdev(np, id++); | |
444 | if (IS_ERR(pdev)) { | |
445 | err = PTR_ERR(pdev); | |
649c8e02 | 446 | goto error; |
a0916bd6 DF |
447 | } |
448 | for_each_child_of_node(np, np2) { | |
449 | if (!of_device_is_compatible(np2, | |
450 | "marvell,mv64360-eth")) | |
451 | continue; | |
452 | err = mv64x60_eth_device_setup(np2, id2++, pdev); | |
453 | if (err) { | |
454 | of_node_put(np2); | |
455 | goto error; | |
456 | } | |
457 | } | |
458 | } | |
649c8e02 | 459 | |
26cb7d8b | 460 | id = 0; |
a1810b44 | 461 | for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") |
26cb7d8b | 462 | if ((err = mv64x60_i2c_device_setup(np, id++))) |
01f0e78e DF |
463 | goto error; |
464 | ||
7e07a159 | 465 | /* support up to one watchdog timer */ |
a1810b44 | 466 | np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt"); |
7e07a159 DF |
467 | if (np) { |
468 | if ((err = mv64x60_wdt_device_setup(np, id))) | |
469 | goto error; | |
470 | of_node_put(np); | |
471 | } | |
472 | ||
52d3aff9 DF |
473 | return 0; |
474 | ||
475 | error: | |
476 | of_node_put(np); | |
477 | return err; | |
478 | } | |
479 | arch_initcall(mv64x60_device_setup); | |
542c98c0 MG |
480 | |
481 | static int __init mv64x60_add_mpsc_console(void) | |
482 | { | |
483 | struct device_node *np = NULL; | |
484 | const char *prop; | |
485 | ||
486 | prop = of_get_property(of_chosen, "linux,stdout-path", NULL); | |
487 | if (prop == NULL) | |
488 | goto not_mpsc; | |
489 | ||
490 | np = of_find_node_by_path(prop); | |
491 | if (!np) | |
492 | goto not_mpsc; | |
493 | ||
a1810b44 | 494 | if (!of_device_is_compatible(np, "marvell,mv64360-mpsc")) |
542c98c0 MG |
495 | goto not_mpsc; |
496 | ||
1791f91b | 497 | prop = of_get_property(np, "cell-index", NULL); |
542c98c0 MG |
498 | if (!prop) |
499 | goto not_mpsc; | |
500 | ||
501 | add_preferred_console("ttyMM", *(int *)prop, NULL); | |
502 | ||
503 | not_mpsc: | |
504 | return 0; | |
505 | } | |
506 | console_initcall(mv64x60_add_mpsc_console); |