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 | */ | |
209 | static int __init eth_register_shared_pdev(struct device_node *np) | |
210 | { | |
211 | struct platform_device *pdev; | |
212 | struct resource r[1]; | |
213 | int err; | |
214 | ||
215 | np = of_get_parent(np); | |
216 | if (!np) | |
217 | return -ENODEV; | |
218 | ||
219 | err = of_address_to_resource(np, 0, &r[0]); | |
220 | of_node_put(np); | |
221 | if (err) | |
222 | return err; | |
223 | ||
224 | pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, 0, | |
225 | r, 1); | |
226 | if (IS_ERR(pdev)) | |
227 | return PTR_ERR(pdev); | |
228 | ||
229 | return 0; | |
230 | } | |
231 | ||
232 | static int __init mv64x60_eth_device_setup(struct device_node *np, int id) | |
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 | ||
243 | /* only register the shared platform device the first time through */ | |
244 | if (id == 0 && (err = eth_register_shared_pdev(np))) | |
26cb7d8b | 245 | return err; |
649c8e02 DF |
246 | |
247 | memset(r, 0, sizeof(r)); | |
248 | of_irq_to_resource(np, 0, &r[0]); | |
249 | ||
250 | memset(&pdata, 0, sizeof(pdata)); | |
251 | ||
252 | prop = of_get_property(np, "block-index", NULL); | |
253 | if (!prop) | |
254 | return -ENODEV; | |
255 | pdata.port_number = *prop; | |
256 | ||
257 | mac_addr = of_get_mac_address(np); | |
258 | if (mac_addr) | |
259 | memcpy(pdata.mac_addr, mac_addr, 6); | |
260 | ||
261 | prop = of_get_property(np, "speed", NULL); | |
262 | if (prop) | |
263 | pdata.speed = *prop; | |
264 | ||
265 | prop = of_get_property(np, "tx_queue_size", NULL); | |
266 | if (prop) | |
267 | pdata.tx_queue_size = *prop; | |
268 | ||
269 | prop = of_get_property(np, "rx_queue_size", NULL); | |
270 | if (prop) | |
271 | pdata.rx_queue_size = *prop; | |
272 | ||
273 | prop = of_get_property(np, "tx_sram_addr", NULL); | |
274 | if (prop) | |
275 | pdata.tx_sram_addr = *prop; | |
276 | ||
277 | prop = of_get_property(np, "tx_sram_size", NULL); | |
278 | if (prop) | |
279 | pdata.tx_sram_size = *prop; | |
280 | ||
281 | prop = of_get_property(np, "rx_sram_addr", NULL); | |
282 | if (prop) | |
283 | pdata.rx_sram_addr = *prop; | |
284 | ||
285 | prop = of_get_property(np, "rx_sram_size", NULL); | |
286 | if (prop) | |
287 | pdata.rx_sram_size = *prop; | |
288 | ||
289 | ph = of_get_property(np, "phy", NULL); | |
290 | if (!ph) | |
291 | return -ENODEV; | |
292 | ||
293 | phy = of_find_node_by_phandle(*ph); | |
294 | if (phy == NULL) | |
295 | return -ENODEV; | |
296 | ||
297 | prop = of_get_property(phy, "reg", NULL); | |
298 | if (prop) { | |
299 | pdata.force_phy_addr = 1; | |
300 | pdata.phy_addr = *prop; | |
301 | } | |
302 | ||
303 | of_node_put(phy); | |
304 | ||
305 | pdev = platform_device_alloc(MV643XX_ETH_NAME, pdata.port_number); | |
306 | if (!pdev) | |
307 | return -ENOMEM; | |
308 | ||
309 | err = platform_device_add_resources(pdev, r, 1); | |
310 | if (err) | |
311 | goto error; | |
312 | ||
313 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
314 | if (err) | |
315 | goto error; | |
316 | ||
317 | err = platform_device_add(pdev); | |
318 | if (err) | |
319 | goto error; | |
320 | ||
321 | return 0; | |
322 | ||
323 | error: | |
324 | platform_device_put(pdev); | |
325 | return err; | |
326 | } | |
327 | ||
01f0e78e DF |
328 | /* |
329 | * Create mv64x60_i2c platform devices | |
330 | */ | |
331 | static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) | |
332 | { | |
333 | struct resource r[2]; | |
334 | struct platform_device *pdev; | |
335 | struct mv64xxx_i2c_pdata pdata; | |
336 | const unsigned int *prop; | |
337 | int err; | |
338 | ||
339 | memset(r, 0, sizeof(r)); | |
340 | ||
341 | err = of_address_to_resource(np, 0, &r[0]); | |
342 | if (err) | |
343 | return err; | |
344 | ||
345 | of_irq_to_resource(np, 0, &r[1]); | |
346 | ||
347 | memset(&pdata, 0, sizeof(pdata)); | |
348 | ||
1791f91b | 349 | pdata.freq_m = 8; /* default */ |
01f0e78e DF |
350 | prop = of_get_property(np, "freq_m", NULL); |
351 | if (!prop) | |
352 | return -ENODEV; | |
353 | pdata.freq_m = *prop; | |
354 | ||
1791f91b | 355 | pdata.freq_m = 3; /* default */ |
01f0e78e DF |
356 | prop = of_get_property(np, "freq_n", NULL); |
357 | if (!prop) | |
358 | return -ENODEV; | |
359 | pdata.freq_n = *prop; | |
360 | ||
1791f91b | 361 | pdata.timeout = 1000; /* default: 1 second */ |
01f0e78e | 362 | |
01f0e78e DF |
363 | pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); |
364 | if (!pdev) | |
365 | return -ENOMEM; | |
366 | ||
367 | err = platform_device_add_resources(pdev, r, 2); | |
368 | if (err) | |
369 | goto error; | |
370 | ||
371 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
372 | if (err) | |
373 | goto error; | |
374 | ||
375 | err = platform_device_add(pdev); | |
376 | if (err) | |
377 | goto error; | |
378 | ||
379 | return 0; | |
380 | ||
381 | error: | |
382 | platform_device_put(pdev); | |
383 | return err; | |
384 | } | |
385 | ||
7e07a159 DF |
386 | /* |
387 | * Create mv64x60_wdt platform devices | |
388 | */ | |
389 | static int __init mv64x60_wdt_device_setup(struct device_node *np, int id) | |
390 | { | |
391 | struct resource r; | |
392 | struct platform_device *pdev; | |
393 | struct mv64x60_wdt_pdata pdata; | |
394 | const unsigned int *prop; | |
395 | int err; | |
396 | ||
397 | err = of_address_to_resource(np, 0, &r); | |
398 | if (err) | |
399 | return err; | |
400 | ||
401 | memset(&pdata, 0, sizeof(pdata)); | |
402 | ||
1791f91b | 403 | pdata.timeout = 10; /* Default: 10 seconds */ |
7e07a159 DF |
404 | |
405 | np = of_get_parent(np); | |
406 | if (!np) | |
407 | return -ENODEV; | |
408 | ||
409 | prop = of_get_property(np, "clock-frequency", NULL); | |
410 | of_node_put(np); | |
411 | if (!prop) | |
412 | return -ENODEV; | |
413 | pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */ | |
414 | ||
415 | pdev = platform_device_alloc(MV64x60_WDT_NAME, id); | |
416 | if (!pdev) | |
417 | return -ENOMEM; | |
418 | ||
419 | err = platform_device_add_resources(pdev, &r, 1); | |
420 | if (err) | |
421 | goto error; | |
422 | ||
423 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
424 | if (err) | |
425 | goto error; | |
426 | ||
427 | err = platform_device_add(pdev); | |
428 | if (err) | |
429 | goto error; | |
430 | ||
431 | return 0; | |
432 | ||
433 | error: | |
434 | platform_device_put(pdev); | |
435 | return err; | |
436 | } | |
437 | ||
52d3aff9 DF |
438 | static int __init mv64x60_device_setup(void) |
439 | { | |
440 | struct device_node *np = NULL; | |
441 | int id; | |
442 | int err; | |
443 | ||
26cb7d8b | 444 | id = 0; |
a1810b44 | 445 | for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc") |
26cb7d8b | 446 | if ((err = mv64x60_mpsc_device_setup(np, id++))) |
52d3aff9 DF |
447 | goto error; |
448 | ||
26cb7d8b | 449 | id = 0; |
a1810b44 | 450 | for_each_compatible_node(np, "network", "marvell,mv64360-eth") |
26cb7d8b | 451 | if ((err = mv64x60_eth_device_setup(np, id++))) |
649c8e02 DF |
452 | goto error; |
453 | ||
26cb7d8b | 454 | id = 0; |
a1810b44 | 455 | for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") |
26cb7d8b | 456 | if ((err = mv64x60_i2c_device_setup(np, id++))) |
01f0e78e DF |
457 | goto error; |
458 | ||
7e07a159 | 459 | /* support up to one watchdog timer */ |
a1810b44 | 460 | np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt"); |
7e07a159 DF |
461 | if (np) { |
462 | if ((err = mv64x60_wdt_device_setup(np, id))) | |
463 | goto error; | |
464 | of_node_put(np); | |
465 | } | |
466 | ||
52d3aff9 DF |
467 | return 0; |
468 | ||
469 | error: | |
470 | of_node_put(np); | |
471 | return err; | |
472 | } | |
473 | arch_initcall(mv64x60_device_setup); | |
542c98c0 MG |
474 | |
475 | static int __init mv64x60_add_mpsc_console(void) | |
476 | { | |
477 | struct device_node *np = NULL; | |
478 | const char *prop; | |
479 | ||
480 | prop = of_get_property(of_chosen, "linux,stdout-path", NULL); | |
481 | if (prop == NULL) | |
482 | goto not_mpsc; | |
483 | ||
484 | np = of_find_node_by_path(prop); | |
485 | if (!np) | |
486 | goto not_mpsc; | |
487 | ||
a1810b44 | 488 | if (!of_device_is_compatible(np, "marvell,mv64360-mpsc")) |
542c98c0 MG |
489 | goto not_mpsc; |
490 | ||
1791f91b | 491 | prop = of_get_property(np, "cell-index", NULL); |
542c98c0 MG |
492 | if (!prop) |
493 | goto not_mpsc; | |
494 | ||
495 | add_preferred_console("ttyMM", *(int *)prop, NULL); | |
496 | ||
497 | not_mpsc: | |
498 | return 0; | |
499 | } | |
500 | console_initcall(mv64x60_add_mpsc_console); |