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> |
4b6ba8aa | 19 | #include <linux/of_net.h> |
e0508b15 | 20 | #include <linux/dma-mapping.h> |
52d3aff9 DF |
21 | |
22 | #include <asm/prom.h> | |
23 | ||
eca39301 | 24 | /* These functions provide the necessary setup for the mv64x60 drivers. */ |
52d3aff9 | 25 | |
683307da RM |
26 | static struct of_device_id __initdata of_mv64x60_devices[] = { |
27 | { .compatible = "marvell,mv64306-devctrl", }, | |
28 | {} | |
29 | }; | |
30 | ||
52d3aff9 DF |
31 | /* |
32 | * Create MPSC platform devices | |
33 | */ | |
34 | static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np) | |
35 | { | |
36 | struct platform_device *pdev; | |
37 | struct resource r[2]; | |
38 | struct mpsc_shared_pdata pdata; | |
39 | const phandle *ph; | |
40 | struct device_node *mpscrouting, *mpscintr; | |
41 | int err; | |
42 | ||
43 | ph = of_get_property(np, "mpscrouting", NULL); | |
44 | mpscrouting = of_find_node_by_phandle(*ph); | |
45 | if (!mpscrouting) | |
46 | return -ENODEV; | |
47 | ||
48 | err = of_address_to_resource(mpscrouting, 0, &r[0]); | |
49 | of_node_put(mpscrouting); | |
50 | if (err) | |
51 | return err; | |
52 | ||
53 | ph = of_get_property(np, "mpscintr", NULL); | |
54 | mpscintr = of_find_node_by_phandle(*ph); | |
55 | if (!mpscintr) | |
56 | return -ENODEV; | |
57 | ||
58 | err = of_address_to_resource(mpscintr, 0, &r[1]); | |
59 | of_node_put(mpscintr); | |
60 | if (err) | |
61 | return err; | |
62 | ||
63 | memset(&pdata, 0, sizeof(pdata)); | |
64 | ||
65 | pdev = platform_device_alloc(MPSC_SHARED_NAME, 0); | |
66 | if (!pdev) | |
67 | return -ENOMEM; | |
68 | ||
69 | err = platform_device_add_resources(pdev, r, 2); | |
70 | if (err) | |
71 | goto error; | |
72 | ||
73 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
74 | if (err) | |
75 | goto error; | |
76 | ||
77 | err = platform_device_add(pdev); | |
78 | if (err) | |
79 | goto error; | |
80 | ||
81 | return 0; | |
82 | ||
83 | error: | |
84 | platform_device_put(pdev); | |
85 | return err; | |
86 | } | |
87 | ||
88 | ||
89 | static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) | |
90 | { | |
91 | struct resource r[5]; | |
92 | struct mpsc_pdata pdata; | |
93 | struct platform_device *pdev; | |
94 | const unsigned int *prop; | |
95 | const phandle *ph; | |
96 | struct device_node *sdma, *brg; | |
97 | int err; | |
98 | int port_number; | |
99 | ||
100 | /* only register the shared platform device the first time through */ | |
101 | if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np))) | |
102 | return err; | |
103 | ||
104 | memset(r, 0, sizeof(r)); | |
105 | ||
106 | err = of_address_to_resource(np, 0, &r[0]); | |
107 | if (err) | |
108 | return err; | |
109 | ||
110 | of_irq_to_resource(np, 0, &r[4]); | |
111 | ||
112 | ph = of_get_property(np, "sdma", NULL); | |
113 | sdma = of_find_node_by_phandle(*ph); | |
114 | if (!sdma) | |
115 | return -ENODEV; | |
116 | ||
117 | of_irq_to_resource(sdma, 0, &r[3]); | |
118 | err = of_address_to_resource(sdma, 0, &r[1]); | |
119 | of_node_put(sdma); | |
120 | if (err) | |
121 | return err; | |
122 | ||
123 | ph = of_get_property(np, "brg", NULL); | |
124 | brg = of_find_node_by_phandle(*ph); | |
125 | if (!brg) | |
126 | return -ENODEV; | |
127 | ||
128 | err = of_address_to_resource(brg, 0, &r[2]); | |
129 | of_node_put(brg); | |
130 | if (err) | |
131 | return err; | |
132 | ||
1791f91b | 133 | prop = of_get_property(np, "cell-index", NULL); |
52d3aff9 DF |
134 | if (!prop) |
135 | return -ENODEV; | |
136 | port_number = *(int *)prop; | |
137 | ||
138 | memset(&pdata, 0, sizeof(pdata)); | |
139 | ||
140 | pdata.cache_mgmt = 1; /* All current revs need this set */ | |
141 | ||
1791f91b | 142 | pdata.max_idle = 40; /* default */ |
52d3aff9 DF |
143 | prop = of_get_property(np, "max_idle", NULL); |
144 | if (prop) | |
145 | pdata.max_idle = *prop; | |
146 | ||
147 | prop = of_get_property(brg, "current-speed", NULL); | |
148 | if (prop) | |
149 | pdata.default_baud = *prop; | |
150 | ||
151 | /* Default is 8 bits, no parity, no flow control */ | |
152 | pdata.default_bits = 8; | |
153 | pdata.default_parity = 'n'; | |
154 | pdata.default_flow = 'n'; | |
155 | ||
156 | prop = of_get_property(np, "chr_1", NULL); | |
157 | if (prop) | |
158 | pdata.chr_1_val = *prop; | |
159 | ||
160 | prop = of_get_property(np, "chr_2", NULL); | |
161 | if (prop) | |
162 | pdata.chr_2_val = *prop; | |
163 | ||
164 | prop = of_get_property(np, "chr_10", NULL); | |
165 | if (prop) | |
166 | pdata.chr_10_val = *prop; | |
167 | ||
168 | prop = of_get_property(np, "mpcr", NULL); | |
169 | if (prop) | |
170 | pdata.mpcr_val = *prop; | |
171 | ||
172 | prop = of_get_property(brg, "bcr", NULL); | |
173 | if (prop) | |
174 | pdata.bcr_val = *prop; | |
175 | ||
176 | pdata.brg_can_tune = 1; /* All current revs need this set */ | |
177 | ||
178 | prop = of_get_property(brg, "clock-src", NULL); | |
179 | if (prop) | |
180 | pdata.brg_clk_src = *prop; | |
181 | ||
182 | prop = of_get_property(brg, "clock-frequency", NULL); | |
183 | if (prop) | |
184 | pdata.brg_clk_freq = *prop; | |
185 | ||
186 | pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); | |
187 | if (!pdev) | |
188 | return -ENOMEM; | |
e0508b15 | 189 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
52d3aff9 DF |
190 | |
191 | err = platform_device_add_resources(pdev, r, 5); | |
192 | if (err) | |
193 | goto error; | |
194 | ||
195 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
196 | if (err) | |
197 | goto error; | |
198 | ||
199 | err = platform_device_add(pdev); | |
200 | if (err) | |
201 | goto error; | |
202 | ||
203 | return 0; | |
204 | ||
205 | error: | |
206 | platform_device_put(pdev); | |
207 | return err; | |
208 | } | |
209 | ||
649c8e02 DF |
210 | /* |
211 | * Create mv64x60_eth platform devices | |
212 | */ | |
a0916bd6 DF |
213 | static struct platform_device * __init mv64x60_eth_register_shared_pdev( |
214 | struct device_node *np, int id) | |
649c8e02 DF |
215 | { |
216 | struct platform_device *pdev; | |
217 | struct resource r[1]; | |
218 | int err; | |
219 | ||
649c8e02 | 220 | err = of_address_to_resource(np, 0, &r[0]); |
649c8e02 | 221 | if (err) |
a0916bd6 | 222 | return ERR_PTR(err); |
649c8e02 | 223 | |
a0916bd6 | 224 | pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id, |
649c8e02 | 225 | r, 1); |
a0916bd6 | 226 | return pdev; |
649c8e02 DF |
227 | } |
228 | ||
a0916bd6 DF |
229 | static int __init mv64x60_eth_device_setup(struct device_node *np, int id, |
230 | struct platform_device *shared_pdev) | |
649c8e02 DF |
231 | { |
232 | struct resource r[1]; | |
233 | struct mv643xx_eth_platform_data pdata; | |
234 | struct platform_device *pdev; | |
235 | struct device_node *phy; | |
236 | const u8 *mac_addr; | |
237 | const int *prop; | |
238 | const phandle *ph; | |
239 | int err; | |
240 | ||
649c8e02 DF |
241 | memset(r, 0, sizeof(r)); |
242 | of_irq_to_resource(np, 0, &r[0]); | |
243 | ||
244 | memset(&pdata, 0, sizeof(pdata)); | |
245 | ||
fa3959f4 LB |
246 | pdata.shared = shared_pdev; |
247 | ||
a0916bd6 | 248 | prop = of_get_property(np, "reg", NULL); |
649c8e02 DF |
249 | if (!prop) |
250 | return -ENODEV; | |
251 | pdata.port_number = *prop; | |
252 | ||
253 | mac_addr = of_get_mac_address(np); | |
254 | if (mac_addr) | |
255 | memcpy(pdata.mac_addr, mac_addr, 6); | |
256 | ||
257 | prop = of_get_property(np, "speed", NULL); | |
258 | if (prop) | |
259 | pdata.speed = *prop; | |
260 | ||
261 | prop = of_get_property(np, "tx_queue_size", NULL); | |
262 | if (prop) | |
263 | pdata.tx_queue_size = *prop; | |
264 | ||
265 | prop = of_get_property(np, "rx_queue_size", NULL); | |
266 | if (prop) | |
267 | pdata.rx_queue_size = *prop; | |
268 | ||
269 | prop = of_get_property(np, "tx_sram_addr", NULL); | |
270 | if (prop) | |
271 | pdata.tx_sram_addr = *prop; | |
272 | ||
273 | prop = of_get_property(np, "tx_sram_size", NULL); | |
274 | if (prop) | |
275 | pdata.tx_sram_size = *prop; | |
276 | ||
277 | prop = of_get_property(np, "rx_sram_addr", NULL); | |
278 | if (prop) | |
279 | pdata.rx_sram_addr = *prop; | |
280 | ||
281 | prop = of_get_property(np, "rx_sram_size", NULL); | |
282 | if (prop) | |
283 | pdata.rx_sram_size = *prop; | |
284 | ||
285 | ph = of_get_property(np, "phy", NULL); | |
286 | if (!ph) | |
287 | return -ENODEV; | |
288 | ||
289 | phy = of_find_node_by_phandle(*ph); | |
290 | if (phy == NULL) | |
291 | return -ENODEV; | |
292 | ||
293 | prop = of_get_property(phy, "reg", NULL); | |
ac840605 LB |
294 | if (prop) |
295 | pdata.phy_addr = MV643XX_ETH_PHY_ADDR(*prop); | |
649c8e02 DF |
296 | |
297 | of_node_put(phy); | |
298 | ||
a0916bd6 | 299 | pdev = platform_device_alloc(MV643XX_ETH_NAME, id); |
649c8e02 DF |
300 | if (!pdev) |
301 | return -ENOMEM; | |
302 | ||
e0508b15 | 303 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
649c8e02 DF |
304 | err = platform_device_add_resources(pdev, r, 1); |
305 | if (err) | |
306 | goto error; | |
307 | ||
308 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
309 | if (err) | |
310 | goto error; | |
311 | ||
312 | err = platform_device_add(pdev); | |
313 | if (err) | |
314 | goto error; | |
315 | ||
316 | return 0; | |
317 | ||
318 | error: | |
319 | platform_device_put(pdev); | |
320 | return err; | |
321 | } | |
322 | ||
01f0e78e DF |
323 | /* |
324 | * Create mv64x60_i2c platform devices | |
325 | */ | |
326 | static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) | |
327 | { | |
328 | struct resource r[2]; | |
329 | struct platform_device *pdev; | |
330 | struct mv64xxx_i2c_pdata pdata; | |
331 | const unsigned int *prop; | |
332 | int err; | |
333 | ||
334 | memset(r, 0, sizeof(r)); | |
335 | ||
336 | err = of_address_to_resource(np, 0, &r[0]); | |
337 | if (err) | |
338 | return err; | |
339 | ||
340 | of_irq_to_resource(np, 0, &r[1]); | |
341 | ||
342 | memset(&pdata, 0, sizeof(pdata)); | |
343 | ||
1791f91b | 344 | pdata.freq_m = 8; /* default */ |
01f0e78e | 345 | prop = of_get_property(np, "freq_m", NULL); |
21dbfd29 RM |
346 | if (prop) |
347 | pdata.freq_m = *prop; | |
01f0e78e | 348 | |
1791f91b | 349 | pdata.freq_m = 3; /* default */ |
01f0e78e | 350 | prop = of_get_property(np, "freq_n", NULL); |
21dbfd29 RM |
351 | if (prop) |
352 | pdata.freq_n = *prop; | |
01f0e78e | 353 | |
1791f91b | 354 | pdata.timeout = 1000; /* default: 1 second */ |
01f0e78e | 355 | |
01f0e78e DF |
356 | pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); |
357 | if (!pdev) | |
358 | return -ENOMEM; | |
359 | ||
360 | err = platform_device_add_resources(pdev, r, 2); | |
361 | if (err) | |
362 | goto error; | |
363 | ||
364 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
365 | if (err) | |
366 | goto error; | |
367 | ||
368 | err = platform_device_add(pdev); | |
369 | if (err) | |
370 | goto error; | |
371 | ||
372 | return 0; | |
373 | ||
374 | error: | |
375 | platform_device_put(pdev); | |
376 | return err; | |
377 | } | |
378 | ||
7e07a159 DF |
379 | /* |
380 | * Create mv64x60_wdt platform devices | |
381 | */ | |
382 | static int __init mv64x60_wdt_device_setup(struct device_node *np, int id) | |
383 | { | |
384 | struct resource r; | |
385 | struct platform_device *pdev; | |
386 | struct mv64x60_wdt_pdata pdata; | |
387 | const unsigned int *prop; | |
388 | int err; | |
389 | ||
390 | err = of_address_to_resource(np, 0, &r); | |
391 | if (err) | |
392 | return err; | |
393 | ||
394 | memset(&pdata, 0, sizeof(pdata)); | |
395 | ||
1791f91b | 396 | pdata.timeout = 10; /* Default: 10 seconds */ |
7e07a159 DF |
397 | |
398 | np = of_get_parent(np); | |
399 | if (!np) | |
400 | return -ENODEV; | |
401 | ||
402 | prop = of_get_property(np, "clock-frequency", NULL); | |
403 | of_node_put(np); | |
404 | if (!prop) | |
405 | return -ENODEV; | |
406 | pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */ | |
407 | ||
408 | pdev = platform_device_alloc(MV64x60_WDT_NAME, id); | |
409 | if (!pdev) | |
410 | return -ENOMEM; | |
411 | ||
412 | err = platform_device_add_resources(pdev, &r, 1); | |
413 | if (err) | |
414 | goto error; | |
415 | ||
416 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
417 | if (err) | |
418 | goto error; | |
419 | ||
420 | err = platform_device_add(pdev); | |
421 | if (err) | |
422 | goto error; | |
423 | ||
424 | return 0; | |
425 | ||
426 | error: | |
427 | platform_device_put(pdev); | |
428 | return err; | |
429 | } | |
430 | ||
52d3aff9 DF |
431 | static int __init mv64x60_device_setup(void) |
432 | { | |
a0916bd6 DF |
433 | struct device_node *np, *np2; |
434 | struct platform_device *pdev; | |
435 | int id, id2; | |
52d3aff9 DF |
436 | int err; |
437 | ||
26cb7d8b | 438 | id = 0; |
ff114b66 RM |
439 | for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc") { |
440 | err = mv64x60_mpsc_device_setup(np, id++); | |
441 | if (err) | |
442 | printk(KERN_ERR "Failed to initialize MV64x60 " | |
443 | "serial device %s: error %d.\n", | |
444 | np->full_name, err); | |
445 | } | |
52d3aff9 | 446 | |
26cb7d8b | 447 | id = 0; |
a0916bd6 DF |
448 | id2 = 0; |
449 | for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") { | |
450 | pdev = mv64x60_eth_register_shared_pdev(np, id++); | |
451 | if (IS_ERR(pdev)) { | |
452 | err = PTR_ERR(pdev); | |
ff114b66 RM |
453 | printk(KERN_ERR "Failed to initialize MV64x60 " |
454 | "network block %s: error %d.\n", | |
455 | np->full_name, err); | |
456 | continue; | |
a0916bd6 DF |
457 | } |
458 | for_each_child_of_node(np, np2) { | |
459 | if (!of_device_is_compatible(np2, | |
460 | "marvell,mv64360-eth")) | |
461 | continue; | |
462 | err = mv64x60_eth_device_setup(np2, id2++, pdev); | |
ff114b66 RM |
463 | if (err) |
464 | printk(KERN_ERR "Failed to initialize " | |
465 | "MV64x60 network device %s: " | |
466 | "error %d.\n", | |
467 | np2->full_name, err); | |
a0916bd6 DF |
468 | } |
469 | } | |
649c8e02 | 470 | |
26cb7d8b | 471 | id = 0; |
ff114b66 RM |
472 | for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") { |
473 | err = mv64x60_i2c_device_setup(np, id++); | |
474 | if (err) | |
475 | printk(KERN_ERR "Failed to initialize MV64x60 I2C " | |
476 | "bus %s: error %d.\n", | |
477 | np->full_name, err); | |
478 | } | |
01f0e78e | 479 | |
7e07a159 | 480 | /* support up to one watchdog timer */ |
a1810b44 | 481 | np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt"); |
7e07a159 DF |
482 | if (np) { |
483 | if ((err = mv64x60_wdt_device_setup(np, id))) | |
ff114b66 RM |
484 | printk(KERN_ERR "Failed to initialize MV64x60 " |
485 | "Watchdog %s: error %d.\n", | |
486 | np->full_name, err); | |
7e07a159 DF |
487 | of_node_put(np); |
488 | } | |
489 | ||
683307da RM |
490 | /* Now add every node that is on the device bus */ |
491 | for_each_compatible_node(np, NULL, "marvell,mv64360") | |
492 | of_platform_bus_probe(np, of_mv64x60_devices, NULL); | |
493 | ||
52d3aff9 | 494 | return 0; |
52d3aff9 DF |
495 | } |
496 | arch_initcall(mv64x60_device_setup); | |
542c98c0 MG |
497 | |
498 | static int __init mv64x60_add_mpsc_console(void) | |
499 | { | |
500 | struct device_node *np = NULL; | |
501 | const char *prop; | |
502 | ||
503 | prop = of_get_property(of_chosen, "linux,stdout-path", NULL); | |
504 | if (prop == NULL) | |
505 | goto not_mpsc; | |
506 | ||
507 | np = of_find_node_by_path(prop); | |
508 | if (!np) | |
509 | goto not_mpsc; | |
510 | ||
a1810b44 | 511 | if (!of_device_is_compatible(np, "marvell,mv64360-mpsc")) |
542c98c0 MG |
512 | goto not_mpsc; |
513 | ||
1791f91b | 514 | prop = of_get_property(np, "cell-index", NULL); |
542c98c0 MG |
515 | if (!prop) |
516 | goto not_mpsc; | |
517 | ||
518 | add_preferred_console("ttyMM", *(int *)prop, NULL); | |
519 | ||
520 | not_mpsc: | |
521 | return 0; | |
522 | } | |
523 | console_initcall(mv64x60_add_mpsc_console); |