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