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> | |
683307da | 18 | #include <linux/of_platform.h> |
52d3aff9 DF |
19 | |
20 | #include <asm/prom.h> | |
21 | ||
22 | /* | |
23 | * These functions provide the necessary setup for the mv64x60 drivers. | |
24 | * These drivers are unusual in that they work on both the MIPS and PowerPC | |
25 | * architectures. Because of that, the drivers do not support the normal | |
26 | * PowerPC of_platform_bus_type. They support platform_bus_type instead. | |
27 | */ | |
28 | ||
683307da RM |
29 | static struct of_device_id __initdata of_mv64x60_devices[] = { |
30 | { .compatible = "marvell,mv64306-devctrl", }, | |
31 | {} | |
32 | }; | |
33 | ||
52d3aff9 DF |
34 | /* |
35 | * Create MPSC platform devices | |
36 | */ | |
37 | static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np) | |
38 | { | |
39 | struct platform_device *pdev; | |
40 | struct resource r[2]; | |
41 | struct mpsc_shared_pdata pdata; | |
42 | const phandle *ph; | |
43 | struct device_node *mpscrouting, *mpscintr; | |
44 | int err; | |
45 | ||
46 | ph = of_get_property(np, "mpscrouting", NULL); | |
47 | mpscrouting = of_find_node_by_phandle(*ph); | |
48 | if (!mpscrouting) | |
49 | return -ENODEV; | |
50 | ||
51 | err = of_address_to_resource(mpscrouting, 0, &r[0]); | |
52 | of_node_put(mpscrouting); | |
53 | if (err) | |
54 | return err; | |
55 | ||
56 | ph = of_get_property(np, "mpscintr", NULL); | |
57 | mpscintr = of_find_node_by_phandle(*ph); | |
58 | if (!mpscintr) | |
59 | return -ENODEV; | |
60 | ||
61 | err = of_address_to_resource(mpscintr, 0, &r[1]); | |
62 | of_node_put(mpscintr); | |
63 | if (err) | |
64 | return err; | |
65 | ||
66 | memset(&pdata, 0, sizeof(pdata)); | |
67 | ||
68 | pdev = platform_device_alloc(MPSC_SHARED_NAME, 0); | |
69 | if (!pdev) | |
70 | return -ENOMEM; | |
71 | ||
72 | err = platform_device_add_resources(pdev, r, 2); | |
73 | if (err) | |
74 | goto error; | |
75 | ||
76 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
77 | if (err) | |
78 | goto error; | |
79 | ||
80 | err = platform_device_add(pdev); | |
81 | if (err) | |
82 | goto error; | |
83 | ||
84 | return 0; | |
85 | ||
86 | error: | |
87 | platform_device_put(pdev); | |
88 | return err; | |
89 | } | |
90 | ||
91 | ||
92 | static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) | |
93 | { | |
94 | struct resource r[5]; | |
95 | struct mpsc_pdata pdata; | |
96 | struct platform_device *pdev; | |
97 | const unsigned int *prop; | |
98 | const phandle *ph; | |
99 | struct device_node *sdma, *brg; | |
100 | int err; | |
101 | int port_number; | |
102 | ||
103 | /* only register the shared platform device the first time through */ | |
104 | if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np))) | |
105 | return err; | |
106 | ||
107 | memset(r, 0, sizeof(r)); | |
108 | ||
109 | err = of_address_to_resource(np, 0, &r[0]); | |
110 | if (err) | |
111 | return err; | |
112 | ||
113 | of_irq_to_resource(np, 0, &r[4]); | |
114 | ||
115 | ph = of_get_property(np, "sdma", NULL); | |
116 | sdma = of_find_node_by_phandle(*ph); | |
117 | if (!sdma) | |
118 | return -ENODEV; | |
119 | ||
120 | of_irq_to_resource(sdma, 0, &r[3]); | |
121 | err = of_address_to_resource(sdma, 0, &r[1]); | |
122 | of_node_put(sdma); | |
123 | if (err) | |
124 | return err; | |
125 | ||
126 | ph = of_get_property(np, "brg", NULL); | |
127 | brg = of_find_node_by_phandle(*ph); | |
128 | if (!brg) | |
129 | return -ENODEV; | |
130 | ||
131 | err = of_address_to_resource(brg, 0, &r[2]); | |
132 | of_node_put(brg); | |
133 | if (err) | |
134 | return err; | |
135 | ||
1791f91b | 136 | prop = of_get_property(np, "cell-index", NULL); |
52d3aff9 DF |
137 | if (!prop) |
138 | return -ENODEV; | |
139 | port_number = *(int *)prop; | |
140 | ||
141 | memset(&pdata, 0, sizeof(pdata)); | |
142 | ||
143 | pdata.cache_mgmt = 1; /* All current revs need this set */ | |
144 | ||
1791f91b | 145 | pdata.max_idle = 40; /* default */ |
52d3aff9 DF |
146 | prop = of_get_property(np, "max_idle", NULL); |
147 | if (prop) | |
148 | pdata.max_idle = *prop; | |
149 | ||
150 | prop = of_get_property(brg, "current-speed", NULL); | |
151 | if (prop) | |
152 | pdata.default_baud = *prop; | |
153 | ||
154 | /* Default is 8 bits, no parity, no flow control */ | |
155 | pdata.default_bits = 8; | |
156 | pdata.default_parity = 'n'; | |
157 | pdata.default_flow = 'n'; | |
158 | ||
159 | prop = of_get_property(np, "chr_1", NULL); | |
160 | if (prop) | |
161 | pdata.chr_1_val = *prop; | |
162 | ||
163 | prop = of_get_property(np, "chr_2", NULL); | |
164 | if (prop) | |
165 | pdata.chr_2_val = *prop; | |
166 | ||
167 | prop = of_get_property(np, "chr_10", NULL); | |
168 | if (prop) | |
169 | pdata.chr_10_val = *prop; | |
170 | ||
171 | prop = of_get_property(np, "mpcr", NULL); | |
172 | if (prop) | |
173 | pdata.mpcr_val = *prop; | |
174 | ||
175 | prop = of_get_property(brg, "bcr", NULL); | |
176 | if (prop) | |
177 | pdata.bcr_val = *prop; | |
178 | ||
179 | pdata.brg_can_tune = 1; /* All current revs need this set */ | |
180 | ||
181 | prop = of_get_property(brg, "clock-src", NULL); | |
182 | if (prop) | |
183 | pdata.brg_clk_src = *prop; | |
184 | ||
185 | prop = of_get_property(brg, "clock-frequency", NULL); | |
186 | if (prop) | |
187 | pdata.brg_clk_freq = *prop; | |
188 | ||
189 | pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); | |
190 | if (!pdev) | |
191 | return -ENOMEM; | |
192 | ||
193 | err = platform_device_add_resources(pdev, r, 5); | |
194 | if (err) | |
195 | goto error; | |
196 | ||
197 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
198 | if (err) | |
199 | goto error; | |
200 | ||
201 | err = platform_device_add(pdev); | |
202 | if (err) | |
203 | goto error; | |
204 | ||
205 | return 0; | |
206 | ||
207 | error: | |
208 | platform_device_put(pdev); | |
209 | return err; | |
210 | } | |
211 | ||
649c8e02 DF |
212 | /* |
213 | * Create mv64x60_eth platform devices | |
214 | */ | |
a0916bd6 DF |
215 | static struct platform_device * __init mv64x60_eth_register_shared_pdev( |
216 | struct device_node *np, int id) | |
649c8e02 DF |
217 | { |
218 | struct platform_device *pdev; | |
219 | struct resource r[1]; | |
220 | int err; | |
221 | ||
649c8e02 | 222 | err = of_address_to_resource(np, 0, &r[0]); |
649c8e02 | 223 | if (err) |
a0916bd6 | 224 | return ERR_PTR(err); |
649c8e02 | 225 | |
a0916bd6 | 226 | pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id, |
649c8e02 | 227 | r, 1); |
a0916bd6 | 228 | return pdev; |
649c8e02 DF |
229 | } |
230 | ||
a0916bd6 DF |
231 | static int __init mv64x60_eth_device_setup(struct device_node *np, int id, |
232 | struct platform_device *shared_pdev) | |
649c8e02 DF |
233 | { |
234 | struct resource r[1]; | |
235 | struct mv643xx_eth_platform_data pdata; | |
236 | struct platform_device *pdev; | |
237 | struct device_node *phy; | |
238 | const u8 *mac_addr; | |
239 | const int *prop; | |
240 | const phandle *ph; | |
241 | int err; | |
242 | ||
649c8e02 DF |
243 | memset(r, 0, sizeof(r)); |
244 | of_irq_to_resource(np, 0, &r[0]); | |
245 | ||
246 | memset(&pdata, 0, sizeof(pdata)); | |
247 | ||
fa3959f4 LB |
248 | pdata.shared = shared_pdev; |
249 | ||
a0916bd6 | 250 | prop = of_get_property(np, "reg", NULL); |
649c8e02 DF |
251 | if (!prop) |
252 | return -ENODEV; | |
253 | pdata.port_number = *prop; | |
254 | ||
255 | mac_addr = of_get_mac_address(np); | |
256 | if (mac_addr) | |
257 | memcpy(pdata.mac_addr, mac_addr, 6); | |
258 | ||
259 | prop = of_get_property(np, "speed", NULL); | |
260 | if (prop) | |
261 | pdata.speed = *prop; | |
262 | ||
263 | prop = of_get_property(np, "tx_queue_size", NULL); | |
264 | if (prop) | |
265 | pdata.tx_queue_size = *prop; | |
266 | ||
267 | prop = of_get_property(np, "rx_queue_size", NULL); | |
268 | if (prop) | |
269 | pdata.rx_queue_size = *prop; | |
270 | ||
271 | prop = of_get_property(np, "tx_sram_addr", NULL); | |
272 | if (prop) | |
273 | pdata.tx_sram_addr = *prop; | |
274 | ||
275 | prop = of_get_property(np, "tx_sram_size", NULL); | |
276 | if (prop) | |
277 | pdata.tx_sram_size = *prop; | |
278 | ||
279 | prop = of_get_property(np, "rx_sram_addr", NULL); | |
280 | if (prop) | |
281 | pdata.rx_sram_addr = *prop; | |
282 | ||
283 | prop = of_get_property(np, "rx_sram_size", NULL); | |
284 | if (prop) | |
285 | pdata.rx_sram_size = *prop; | |
286 | ||
287 | ph = of_get_property(np, "phy", NULL); | |
288 | if (!ph) | |
289 | return -ENODEV; | |
290 | ||
291 | phy = of_find_node_by_phandle(*ph); | |
292 | if (phy == NULL) | |
293 | return -ENODEV; | |
294 | ||
295 | prop = of_get_property(phy, "reg", NULL); | |
ac840605 LB |
296 | if (prop) |
297 | pdata.phy_addr = MV643XX_ETH_PHY_ADDR(*prop); | |
649c8e02 DF |
298 | |
299 | of_node_put(phy); | |
300 | ||
a0916bd6 | 301 | pdev = platform_device_alloc(MV643XX_ETH_NAME, id); |
649c8e02 DF |
302 | if (!pdev) |
303 | return -ENOMEM; | |
304 | ||
305 | err = platform_device_add_resources(pdev, r, 1); | |
306 | if (err) | |
307 | goto error; | |
308 | ||
309 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
310 | if (err) | |
311 | goto error; | |
312 | ||
313 | err = platform_device_add(pdev); | |
314 | if (err) | |
315 | goto error; | |
316 | ||
317 | return 0; | |
318 | ||
319 | error: | |
320 | platform_device_put(pdev); | |
321 | return err; | |
322 | } | |
323 | ||
01f0e78e DF |
324 | /* |
325 | * Create mv64x60_i2c platform devices | |
326 | */ | |
327 | static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) | |
328 | { | |
329 | struct resource r[2]; | |
330 | struct platform_device *pdev; | |
331 | struct mv64xxx_i2c_pdata pdata; | |
332 | const unsigned int *prop; | |
333 | int err; | |
334 | ||
335 | memset(r, 0, sizeof(r)); | |
336 | ||
337 | err = of_address_to_resource(np, 0, &r[0]); | |
338 | if (err) | |
339 | return err; | |
340 | ||
341 | of_irq_to_resource(np, 0, &r[1]); | |
342 | ||
343 | memset(&pdata, 0, sizeof(pdata)); | |
344 | ||
1791f91b | 345 | pdata.freq_m = 8; /* default */ |
01f0e78e | 346 | prop = of_get_property(np, "freq_m", NULL); |
21dbfd29 RM |
347 | if (prop) |
348 | pdata.freq_m = *prop; | |
01f0e78e | 349 | |
1791f91b | 350 | pdata.freq_m = 3; /* default */ |
01f0e78e | 351 | prop = of_get_property(np, "freq_n", NULL); |
21dbfd29 RM |
352 | if (prop) |
353 | pdata.freq_n = *prop; | |
01f0e78e | 354 | |
1791f91b | 355 | pdata.timeout = 1000; /* default: 1 second */ |
01f0e78e | 356 | |
01f0e78e DF |
357 | pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); |
358 | if (!pdev) | |
359 | return -ENOMEM; | |
360 | ||
361 | err = platform_device_add_resources(pdev, r, 2); | |
362 | if (err) | |
363 | goto error; | |
364 | ||
365 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
366 | if (err) | |
367 | goto error; | |
368 | ||
369 | err = platform_device_add(pdev); | |
370 | if (err) | |
371 | goto error; | |
372 | ||
373 | return 0; | |
374 | ||
375 | error: | |
376 | platform_device_put(pdev); | |
377 | return err; | |
378 | } | |
379 | ||
7e07a159 DF |
380 | /* |
381 | * Create mv64x60_wdt platform devices | |
382 | */ | |
383 | static int __init mv64x60_wdt_device_setup(struct device_node *np, int id) | |
384 | { | |
385 | struct resource r; | |
386 | struct platform_device *pdev; | |
387 | struct mv64x60_wdt_pdata pdata; | |
388 | const unsigned int *prop; | |
389 | int err; | |
390 | ||
391 | err = of_address_to_resource(np, 0, &r); | |
392 | if (err) | |
393 | return err; | |
394 | ||
395 | memset(&pdata, 0, sizeof(pdata)); | |
396 | ||
1791f91b | 397 | pdata.timeout = 10; /* Default: 10 seconds */ |
7e07a159 DF |
398 | |
399 | np = of_get_parent(np); | |
400 | if (!np) | |
401 | return -ENODEV; | |
402 | ||
403 | prop = of_get_property(np, "clock-frequency", NULL); | |
404 | of_node_put(np); | |
405 | if (!prop) | |
406 | return -ENODEV; | |
407 | pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */ | |
408 | ||
409 | pdev = platform_device_alloc(MV64x60_WDT_NAME, id); | |
410 | if (!pdev) | |
411 | return -ENOMEM; | |
412 | ||
413 | err = platform_device_add_resources(pdev, &r, 1); | |
414 | if (err) | |
415 | goto error; | |
416 | ||
417 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
418 | if (err) | |
419 | goto error; | |
420 | ||
421 | err = platform_device_add(pdev); | |
422 | if (err) | |
423 | goto error; | |
424 | ||
425 | return 0; | |
426 | ||
427 | error: | |
428 | platform_device_put(pdev); | |
429 | return err; | |
430 | } | |
431 | ||
52d3aff9 DF |
432 | static int __init mv64x60_device_setup(void) |
433 | { | |
a0916bd6 DF |
434 | struct device_node *np, *np2; |
435 | struct platform_device *pdev; | |
436 | int id, id2; | |
52d3aff9 DF |
437 | int err; |
438 | ||
26cb7d8b | 439 | id = 0; |
ff114b66 RM |
440 | for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc") { |
441 | err = mv64x60_mpsc_device_setup(np, id++); | |
442 | if (err) | |
443 | printk(KERN_ERR "Failed to initialize MV64x60 " | |
444 | "serial device %s: error %d.\n", | |
445 | np->full_name, err); | |
446 | } | |
52d3aff9 | 447 | |
26cb7d8b | 448 | id = 0; |
a0916bd6 DF |
449 | id2 = 0; |
450 | for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") { | |
451 | pdev = mv64x60_eth_register_shared_pdev(np, id++); | |
452 | if (IS_ERR(pdev)) { | |
453 | err = PTR_ERR(pdev); | |
ff114b66 RM |
454 | printk(KERN_ERR "Failed to initialize MV64x60 " |
455 | "network block %s: error %d.\n", | |
456 | np->full_name, err); | |
457 | continue; | |
a0916bd6 DF |
458 | } |
459 | for_each_child_of_node(np, np2) { | |
460 | if (!of_device_is_compatible(np2, | |
461 | "marvell,mv64360-eth")) | |
462 | continue; | |
463 | err = mv64x60_eth_device_setup(np2, id2++, pdev); | |
ff114b66 RM |
464 | if (err) |
465 | printk(KERN_ERR "Failed to initialize " | |
466 | "MV64x60 network device %s: " | |
467 | "error %d.\n", | |
468 | np2->full_name, err); | |
a0916bd6 DF |
469 | } |
470 | } | |
649c8e02 | 471 | |
26cb7d8b | 472 | id = 0; |
ff114b66 RM |
473 | for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") { |
474 | err = mv64x60_i2c_device_setup(np, id++); | |
475 | if (err) | |
476 | printk(KERN_ERR "Failed to initialize MV64x60 I2C " | |
477 | "bus %s: error %d.\n", | |
478 | np->full_name, err); | |
479 | } | |
01f0e78e | 480 | |
7e07a159 | 481 | /* support up to one watchdog timer */ |
a1810b44 | 482 | np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt"); |
7e07a159 DF |
483 | if (np) { |
484 | if ((err = mv64x60_wdt_device_setup(np, id))) | |
ff114b66 RM |
485 | printk(KERN_ERR "Failed to initialize MV64x60 " |
486 | "Watchdog %s: error %d.\n", | |
487 | np->full_name, err); | |
7e07a159 DF |
488 | of_node_put(np); |
489 | } | |
490 | ||
683307da RM |
491 | /* Now add every node that is on the device bus */ |
492 | for_each_compatible_node(np, NULL, "marvell,mv64360") | |
493 | of_platform_bus_probe(np, of_mv64x60_devices, NULL); | |
494 | ||
52d3aff9 | 495 | return 0; |
52d3aff9 DF |
496 | } |
497 | arch_initcall(mv64x60_device_setup); | |
542c98c0 MG |
498 | |
499 | static int __init mv64x60_add_mpsc_console(void) | |
500 | { | |
501 | struct device_node *np = NULL; | |
502 | const char *prop; | |
503 | ||
504 | prop = of_get_property(of_chosen, "linux,stdout-path", NULL); | |
505 | if (prop == NULL) | |
506 | goto not_mpsc; | |
507 | ||
508 | np = of_find_node_by_path(prop); | |
509 | if (!np) | |
510 | goto not_mpsc; | |
511 | ||
a1810b44 | 512 | if (!of_device_is_compatible(np, "marvell,mv64360-mpsc")) |
542c98c0 MG |
513 | goto not_mpsc; |
514 | ||
1791f91b | 515 | prop = of_get_property(np, "cell-index", NULL); |
542c98c0 MG |
516 | if (!prop) |
517 | goto not_mpsc; | |
518 | ||
519 | add_preferred_console("ttyMM", *(int *)prop, NULL); | |
520 | ||
521 | not_mpsc: | |
522 | return 0; | |
523 | } | |
524 | console_initcall(mv64x60_add_mpsc_console); |