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1a8bfa1e TL |
1 | /* |
2 | * linux/arch/arm/plat-omap/devices.c | |
3 | * | |
4 | * Common platform device setup/initialization for OMAP1 and OMAP2 | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
1a8bfa1e TL |
12 | #include <linux/module.h> |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
16 | ||
be509729 | 17 | #include <asm/arch/hardware.h> |
1a8bfa1e TL |
18 | #include <asm/io.h> |
19 | #include <asm/mach-types.h> | |
20 | #include <asm/mach/map.h> | |
21 | ||
22 | #include <asm/arch/tc.h> | |
23 | #include <asm/arch/board.h> | |
24 | #include <asm/arch/mux.h> | |
25 | #include <asm/arch/gpio.h> | |
9b6553cd | 26 | #include <asm/arch/menelaus.h> |
bc5d0c89 | 27 | #include <asm/arch/mcbsp.h> |
1a8bfa1e | 28 | |
c40fae95 TL |
29 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
30 | ||
31 | #include "../plat-omap/dsp/dsp_common.h" | |
32 | ||
33 | static struct dsp_platform_data dsp_pdata = { | |
34 | .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), | |
35 | }; | |
36 | ||
37 | static struct resource omap_dsp_resources[] = { | |
38 | { | |
39 | .name = "dsp_mmu", | |
40 | .start = -1, | |
41 | .flags = IORESOURCE_IRQ, | |
42 | }, | |
43 | }; | |
44 | ||
45 | static struct platform_device omap_dsp_device = { | |
46 | .name = "dsp", | |
47 | .id = -1, | |
48 | .num_resources = ARRAY_SIZE(omap_dsp_resources), | |
49 | .resource = omap_dsp_resources, | |
50 | .dev = { | |
51 | .platform_data = &dsp_pdata, | |
52 | }, | |
53 | }; | |
54 | ||
55 | static inline void omap_init_dsp(void) | |
56 | { | |
57 | struct resource *res; | |
58 | int irq; | |
59 | ||
60 | if (cpu_is_omap15xx()) | |
61 | irq = INT_1510_DSP_MMU; | |
62 | else if (cpu_is_omap16xx()) | |
63 | irq = INT_1610_DSP_MMU; | |
64 | else if (cpu_is_omap24xx()) | |
65 | irq = INT_24XX_DSP_MMU; | |
66 | ||
67 | res = platform_get_resource_byname(&omap_dsp_device, | |
68 | IORESOURCE_IRQ, "dsp_mmu"); | |
69 | res->start = irq; | |
70 | ||
71 | platform_device_register(&omap_dsp_device); | |
72 | } | |
73 | ||
74 | int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) | |
75 | { | |
76 | static DEFINE_MUTEX(dsp_pdata_lock); | |
77 | ||
78 | mutex_init(&kdev->lock); | |
79 | ||
80 | mutex_lock(&dsp_pdata_lock); | |
81 | list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); | |
82 | mutex_unlock(&dsp_pdata_lock); | |
83 | ||
84 | return 0; | |
85 | } | |
86 | EXPORT_SYMBOL(dsp_kfunc_device_register); | |
87 | ||
88 | #else | |
89 | static inline void omap_init_dsp(void) { } | |
90 | #endif /* CONFIG_OMAP_DSP */ | |
91 | ||
9b6553cd TL |
92 | /*-------------------------------------------------------------------------*/ |
93 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | |
94 | ||
95 | static void omap_init_kp(void) | |
96 | { | |
97 | if (machine_is_omap_h2() || machine_is_omap_h3()) { | |
98 | omap_cfg_reg(F18_1610_KBC0); | |
99 | omap_cfg_reg(D20_1610_KBC1); | |
100 | omap_cfg_reg(D19_1610_KBC2); | |
101 | omap_cfg_reg(E18_1610_KBC3); | |
102 | omap_cfg_reg(C21_1610_KBC4); | |
103 | ||
104 | omap_cfg_reg(G18_1610_KBR0); | |
105 | omap_cfg_reg(F19_1610_KBR1); | |
106 | omap_cfg_reg(H14_1610_KBR2); | |
107 | omap_cfg_reg(E20_1610_KBR3); | |
108 | omap_cfg_reg(E19_1610_KBR4); | |
109 | omap_cfg_reg(N19_1610_KBR5); | |
495f71db | 110 | } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
9b6553cd TL |
111 | omap_cfg_reg(E2_730_KBR0); |
112 | omap_cfg_reg(J7_730_KBR1); | |
113 | omap_cfg_reg(E1_730_KBR2); | |
114 | omap_cfg_reg(F3_730_KBR3); | |
115 | omap_cfg_reg(D2_730_KBR4); | |
116 | ||
117 | omap_cfg_reg(C2_730_KBC0); | |
118 | omap_cfg_reg(D3_730_KBC1); | |
119 | omap_cfg_reg(E4_730_KBC2); | |
120 | omap_cfg_reg(F4_730_KBC3); | |
121 | omap_cfg_reg(E3_730_KBC4); | |
122 | } else if (machine_is_omap_h4()) { | |
123 | omap_cfg_reg(T19_24XX_KBR0); | |
124 | omap_cfg_reg(R19_24XX_KBR1); | |
125 | omap_cfg_reg(V18_24XX_KBR2); | |
126 | omap_cfg_reg(M21_24XX_KBR3); | |
127 | omap_cfg_reg(E5__24XX_KBR4); | |
128 | if (omap_has_menelaus()) { | |
129 | omap_cfg_reg(B3__24XX_KBR5); | |
130 | omap_cfg_reg(AA4_24XX_KBC2); | |
131 | omap_cfg_reg(B13_24XX_KBC6); | |
132 | } else { | |
133 | omap_cfg_reg(M18_24XX_KBR5); | |
134 | omap_cfg_reg(H19_24XX_KBC2); | |
135 | omap_cfg_reg(N19_24XX_KBC6); | |
136 | } | |
137 | omap_cfg_reg(R20_24XX_KBC0); | |
138 | omap_cfg_reg(M14_24XX_KBC1); | |
139 | omap_cfg_reg(V17_24XX_KBC3); | |
140 | omap_cfg_reg(P21_24XX_KBC4); | |
141 | omap_cfg_reg(L14_24XX_KBC5); | |
142 | } | |
143 | } | |
144 | #else | |
145 | static inline void omap_init_kp(void) {} | |
146 | #endif | |
147 | ||
bc5d0c89 EV |
148 | /*-------------------------------------------------------------------------*/ |
149 | #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) | |
150 | ||
151 | static struct platform_device **omap_mcbsp_devices; | |
152 | ||
153 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, | |
154 | int size) | |
155 | { | |
156 | int i; | |
157 | ||
158 | if (size > OMAP_MAX_MCBSP_COUNT) { | |
159 | printk(KERN_WARNING "Registered too many McBSPs platform_data." | |
160 | " Using maximum (%d) available.\n", | |
161 | OMAP_MAX_MCBSP_COUNT); | |
162 | size = OMAP_MAX_MCBSP_COUNT; | |
163 | } | |
164 | ||
165 | omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), | |
166 | GFP_KERNEL); | |
167 | if (!omap_mcbsp_devices) { | |
168 | printk(KERN_ERR "Could not register McBSP devices\n"); | |
169 | return; | |
170 | } | |
171 | ||
172 | for (i = 0; i < size; i++) { | |
173 | struct platform_device *new_mcbsp; | |
174 | int ret; | |
175 | ||
176 | new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); | |
177 | if (!new_mcbsp) | |
178 | continue; | |
179 | new_mcbsp->dev.platform_data = &config[i]; | |
180 | ret = platform_device_add(new_mcbsp); | |
181 | if (ret) { | |
182 | platform_device_put(new_mcbsp); | |
183 | continue; | |
184 | } | |
185 | omap_mcbsp_devices[i] = new_mcbsp; | |
186 | } | |
187 | } | |
188 | ||
189 | #else | |
190 | void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, | |
191 | int size) | |
192 | { } | |
193 | #endif | |
194 | ||
1a8bfa1e TL |
195 | /*-------------------------------------------------------------------------*/ |
196 | ||
197 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) | |
198 | ||
199 | #ifdef CONFIG_ARCH_OMAP24XX | |
200 | #define OMAP_MMC1_BASE 0x4809c000 | |
abc45e1d | 201 | #define OMAP_MMC1_INT INT_24XX_MMC_IRQ |
1a8bfa1e TL |
202 | #else |
203 | #define OMAP_MMC1_BASE 0xfffb7800 | |
204 | #define OMAP_MMC1_INT INT_MMC | |
205 | #endif | |
206 | #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */ | |
207 | ||
208 | static struct omap_mmc_conf mmc1_conf; | |
209 | ||
210 | static u64 mmc1_dmamask = 0xffffffff; | |
211 | ||
212 | static struct resource mmc1_resources[] = { | |
213 | { | |
ce9c1a83 TL |
214 | .start = OMAP_MMC1_BASE, |
215 | .end = OMAP_MMC1_BASE + 0x7f, | |
1a8bfa1e TL |
216 | .flags = IORESOURCE_MEM, |
217 | }, | |
218 | { | |
219 | .start = OMAP_MMC1_INT, | |
220 | .flags = IORESOURCE_IRQ, | |
221 | }, | |
222 | }; | |
223 | ||
224 | static struct platform_device mmc_omap_device1 = { | |
225 | .name = "mmci-omap", | |
226 | .id = 1, | |
227 | .dev = { | |
1a8bfa1e TL |
228 | .dma_mask = &mmc1_dmamask, |
229 | .platform_data = &mmc1_conf, | |
230 | }, | |
231 | .num_resources = ARRAY_SIZE(mmc1_resources), | |
232 | .resource = mmc1_resources, | |
233 | }; | |
234 | ||
235 | #ifdef CONFIG_ARCH_OMAP16XX | |
236 | ||
237 | static struct omap_mmc_conf mmc2_conf; | |
238 | ||
239 | static u64 mmc2_dmamask = 0xffffffff; | |
240 | ||
241 | static struct resource mmc2_resources[] = { | |
242 | { | |
ce9c1a83 TL |
243 | .start = OMAP_MMC2_BASE, |
244 | .end = OMAP_MMC2_BASE + 0x7f, | |
1a8bfa1e TL |
245 | .flags = IORESOURCE_MEM, |
246 | }, | |
247 | { | |
248 | .start = INT_1610_MMC2, | |
249 | .flags = IORESOURCE_IRQ, | |
250 | }, | |
251 | }; | |
252 | ||
253 | static struct platform_device mmc_omap_device2 = { | |
254 | .name = "mmci-omap", | |
255 | .id = 2, | |
256 | .dev = { | |
1a8bfa1e TL |
257 | .dma_mask = &mmc2_dmamask, |
258 | .platform_data = &mmc2_conf, | |
259 | }, | |
260 | .num_resources = ARRAY_SIZE(mmc2_resources), | |
261 | .resource = mmc2_resources, | |
262 | }; | |
263 | #endif | |
264 | ||
265 | static void __init omap_init_mmc(void) | |
266 | { | |
267 | const struct omap_mmc_config *mmc_conf; | |
268 | const struct omap_mmc_conf *mmc; | |
269 | ||
270 | /* NOTE: assumes MMC was never (wrongly) enabled */ | |
271 | mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); | |
272 | if (!mmc_conf) | |
273 | return; | |
274 | ||
275 | /* block 1 is always available and has just one pinout option */ | |
276 | mmc = &mmc_conf->mmc[0]; | |
277 | if (mmc->enabled) { | |
abc45e1d KP |
278 | if (cpu_is_omap24xx()) { |
279 | omap_cfg_reg(H18_24XX_MMC_CMD); | |
280 | omap_cfg_reg(H15_24XX_MMC_CLKI); | |
281 | omap_cfg_reg(G19_24XX_MMC_CLKO); | |
282 | omap_cfg_reg(F20_24XX_MMC_DAT0); | |
283 | omap_cfg_reg(F19_24XX_MMC_DAT_DIR0); | |
284 | omap_cfg_reg(G18_24XX_MMC_CMD_DIR); | |
285 | } else { | |
1a8bfa1e TL |
286 | omap_cfg_reg(MMC_CMD); |
287 | omap_cfg_reg(MMC_CLK); | |
288 | omap_cfg_reg(MMC_DAT0); | |
289 | if (cpu_is_omap1710()) { | |
290 | omap_cfg_reg(M15_1710_MMC_CLKI); | |
291 | omap_cfg_reg(P19_1710_MMC_CMDDIR); | |
292 | omap_cfg_reg(P20_1710_MMC_DATDIR0); | |
293 | } | |
294 | } | |
295 | if (mmc->wire4) { | |
abc45e1d KP |
296 | if (cpu_is_omap24xx()) { |
297 | omap_cfg_reg(H14_24XX_MMC_DAT1); | |
298 | omap_cfg_reg(E19_24XX_MMC_DAT2); | |
299 | omap_cfg_reg(D19_24XX_MMC_DAT3); | |
300 | omap_cfg_reg(E20_24XX_MMC_DAT_DIR1); | |
301 | omap_cfg_reg(F18_24XX_MMC_DAT_DIR2); | |
302 | omap_cfg_reg(E18_24XX_MMC_DAT_DIR3); | |
303 | } else { | |
1a8bfa1e TL |
304 | omap_cfg_reg(MMC_DAT1); |
305 | /* NOTE: DAT2 can be on W10 (here) or M15 */ | |
306 | if (!mmc->nomux) | |
307 | omap_cfg_reg(MMC_DAT2); | |
308 | omap_cfg_reg(MMC_DAT3); | |
309 | } | |
310 | } | |
311 | mmc1_conf = *mmc; | |
312 | (void) platform_device_register(&mmc_omap_device1); | |
313 | } | |
314 | ||
315 | #ifdef CONFIG_ARCH_OMAP16XX | |
316 | /* block 2 is on newer chips, and has many pinout options */ | |
317 | mmc = &mmc_conf->mmc[1]; | |
318 | if (mmc->enabled) { | |
319 | if (!mmc->nomux) { | |
320 | omap_cfg_reg(Y8_1610_MMC2_CMD); | |
321 | omap_cfg_reg(Y10_1610_MMC2_CLK); | |
322 | omap_cfg_reg(R18_1610_MMC2_CLKIN); | |
323 | omap_cfg_reg(W8_1610_MMC2_DAT0); | |
324 | if (mmc->wire4) { | |
325 | omap_cfg_reg(V8_1610_MMC2_DAT1); | |
326 | omap_cfg_reg(W15_1610_MMC2_DAT2); | |
327 | omap_cfg_reg(R10_1610_MMC2_DAT3); | |
328 | } | |
329 | ||
330 | /* These are needed for the level shifter */ | |
331 | omap_cfg_reg(V9_1610_MMC2_CMDDIR); | |
332 | omap_cfg_reg(V5_1610_MMC2_DATDIR0); | |
333 | omap_cfg_reg(W19_1610_MMC2_DATDIR1); | |
334 | } | |
335 | ||
336 | /* Feedback clock must be set on OMAP-1710 MMC2 */ | |
337 | if (cpu_is_omap1710()) | |
338 | omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), | |
339 | MOD_CONF_CTRL_1); | |
340 | mmc2_conf = *mmc; | |
341 | (void) platform_device_register(&mmc_omap_device2); | |
342 | } | |
343 | #endif | |
344 | return; | |
345 | } | |
346 | #else | |
347 | static inline void omap_init_mmc(void) {} | |
348 | #endif | |
349 | ||
9b6553cd TL |
350 | /*-------------------------------------------------------------------------*/ |
351 | ||
352 | /* Numbering for the SPI-capable controllers when used for SPI: | |
353 | * spi = 1 | |
354 | * uwire = 2 | |
355 | * mmc1..2 = 3..4 | |
356 | * mcbsp1..3 = 5..7 | |
357 | */ | |
358 | ||
359 | #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) | |
360 | ||
361 | #define OMAP_UWIRE_BASE 0xfffb3000 | |
362 | ||
363 | static struct resource uwire_resources[] = { | |
364 | { | |
365 | .start = OMAP_UWIRE_BASE, | |
366 | .end = OMAP_UWIRE_BASE + 0x20, | |
367 | .flags = IORESOURCE_MEM, | |
368 | }, | |
369 | }; | |
370 | ||
371 | static struct platform_device omap_uwire_device = { | |
372 | .name = "omap_uwire", | |
373 | .id = -1, | |
9b6553cd TL |
374 | .num_resources = ARRAY_SIZE(uwire_resources), |
375 | .resource = uwire_resources, | |
376 | }; | |
377 | ||
378 | static void omap_init_uwire(void) | |
379 | { | |
380 | /* FIXME define and use a boot tag; not all boards will be hooking | |
381 | * up devices to the microwire controller, and multi-board configs | |
382 | * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... | |
383 | */ | |
384 | ||
385 | /* board-specific code must configure chipselects (only a few | |
386 | * are normally used) and SCLK/SDI/SDO (each has two choices). | |
387 | */ | |
388 | (void) platform_device_register(&omap_uwire_device); | |
389 | } | |
390 | #else | |
391 | static inline void omap_init_uwire(void) {} | |
392 | #endif | |
393 | ||
394 | /*-------------------------------------------------------------------------*/ | |
395 | ||
1a8bfa1e TL |
396 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
397 | ||
398 | #ifdef CONFIG_ARCH_OMAP24XX | |
399 | #define OMAP_WDT_BASE 0x48022000 | |
400 | #else | |
401 | #define OMAP_WDT_BASE 0xfffeb000 | |
402 | #endif | |
403 | ||
404 | static struct resource wdt_resources[] = { | |
405 | { | |
406 | .start = OMAP_WDT_BASE, | |
407 | .end = OMAP_WDT_BASE + 0x4f, | |
408 | .flags = IORESOURCE_MEM, | |
409 | }, | |
410 | }; | |
411 | ||
412 | static struct platform_device omap_wdt_device = { | |
413 | .name = "omap_wdt", | |
414 | .id = -1, | |
1a8bfa1e TL |
415 | .num_resources = ARRAY_SIZE(wdt_resources), |
416 | .resource = wdt_resources, | |
417 | }; | |
418 | ||
419 | static void omap_init_wdt(void) | |
420 | { | |
421 | (void) platform_device_register(&omap_wdt_device); | |
422 | } | |
423 | #else | |
424 | static inline void omap_init_wdt(void) {} | |
425 | #endif | |
426 | ||
427 | /*-------------------------------------------------------------------------*/ | |
428 | ||
c40fae95 | 429 | #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
1a8bfa1e TL |
430 | |
431 | #ifdef CONFIG_ARCH_OMAP24XX | |
432 | #define OMAP_RNG_BASE 0x480A0000 | |
433 | #else | |
434 | #define OMAP_RNG_BASE 0xfffe5000 | |
435 | #endif | |
436 | ||
437 | static struct resource rng_resources[] = { | |
438 | { | |
439 | .start = OMAP_RNG_BASE, | |
440 | .end = OMAP_RNG_BASE + 0x4f, | |
441 | .flags = IORESOURCE_MEM, | |
442 | }, | |
443 | }; | |
444 | ||
445 | static struct platform_device omap_rng_device = { | |
446 | .name = "omap_rng", | |
447 | .id = -1, | |
1a8bfa1e TL |
448 | .num_resources = ARRAY_SIZE(rng_resources), |
449 | .resource = rng_resources, | |
450 | }; | |
451 | ||
452 | static void omap_init_rng(void) | |
453 | { | |
454 | (void) platform_device_register(&omap_rng_device); | |
455 | } | |
456 | #else | |
457 | static inline void omap_init_rng(void) {} | |
458 | #endif | |
459 | ||
1a8bfa1e TL |
460 | /* |
461 | * This gets called after board-specific INIT_MACHINE, and initializes most | |
462 | * on-chip peripherals accessible on this board (except for few like USB): | |
463 | * | |
464 | * (a) Does any "standard config" pin muxing needed. Board-specific | |
465 | * code will have muxed GPIO pins and done "nonstandard" setup; | |
466 | * that code could live in the boot loader. | |
467 | * (b) Populating board-specific platform_data with the data drivers | |
468 | * rely on to handle wiring variations. | |
469 | * (c) Creating platform devices as meaningful on this board and | |
470 | * with this kernel configuration. | |
471 | * | |
472 | * Claiming GPIOs, and setting their direction and initial values, is the | |
473 | * responsibility of the device drivers. So is responding to probe(). | |
474 | * | |
475 | * Board-specific knowlege like creating devices or pin setup is to be | |
476 | * kept out of drivers as much as possible. In particular, pin setup | |
477 | * may be handled by the boot loader, and drivers should expect it will | |
478 | * normally have been done by the time they're probed. | |
479 | */ | |
480 | static int __init omap_init_devices(void) | |
481 | { | |
56a25641 SMK |
482 | /* |
483 | * Need to enable relevant once for 2430 SDP | |
484 | */ | |
485 | #ifndef CONFIG_MACH_OMAP_2430SDP | |
1a8bfa1e TL |
486 | /* please keep these calls, and their implementations above, |
487 | * in alphabetical order so they're easier to sort through. | |
488 | */ | |
c40fae95 | 489 | omap_init_dsp(); |
9b6553cd | 490 | omap_init_kp(); |
1a8bfa1e | 491 | omap_init_mmc(); |
9b6553cd | 492 | omap_init_uwire(); |
1a8bfa1e TL |
493 | omap_init_wdt(); |
494 | omap_init_rng(); | |
56a25641 | 495 | #endif |
1a8bfa1e TL |
496 | return 0; |
497 | } | |
498 | arch_initcall(omap_init_devices); |