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1dbae815 TL |
1 | /* |
2 | * linux/arch/arm/mach-omap2/devices.c | |
3 | * | |
4 | * OMAP2 platform device setup/initialization | |
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 | ||
1dbae815 TL |
12 | #include <linux/module.h> |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
fced80c7 | 16 | #include <linux/io.h> |
917fa280 | 17 | #include <linux/clk.h> |
1dbae815 | 18 | |
a09e64fb | 19 | #include <mach/hardware.h> |
1dbae815 TL |
20 | #include <asm/mach-types.h> |
21 | #include <asm/mach/map.h> | |
22 | ||
90c62bf0 | 23 | #include <mach/control.h> |
a09e64fb RK |
24 | #include <mach/tc.h> |
25 | #include <mach/board.h> | |
26 | #include <mach/mux.h> | |
27 | #include <mach/gpio.h> | |
646e3ed1 | 28 | #include <mach/eac.h> |
d8874665 | 29 | #include <mach/mmc.h> |
1dbae815 | 30 | |
c40fae95 TL |
31 | #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
32 | #define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE) | |
33 | ||
34 | static struct resource mbox_resources[] = { | |
35 | { | |
36 | .start = OMAP2_MBOX_BASE, | |
37 | .end = OMAP2_MBOX_BASE + 0x11f, | |
38 | .flags = IORESOURCE_MEM, | |
39 | }, | |
40 | { | |
41 | .start = INT_24XX_MAIL_U0_MPU, | |
42 | .flags = IORESOURCE_IRQ, | |
43 | }, | |
44 | { | |
45 | .start = INT_24XX_MAIL_U3_MPU, | |
46 | .flags = IORESOURCE_IRQ, | |
47 | }, | |
48 | }; | |
49 | ||
50 | static struct platform_device mbox_device = { | |
51 | .name = "mailbox", | |
52 | .id = -1, | |
53 | .num_resources = ARRAY_SIZE(mbox_resources), | |
54 | .resource = mbox_resources, | |
55 | }; | |
56 | ||
57 | static inline void omap_init_mbox(void) | |
58 | { | |
59 | platform_device_register(&mbox_device); | |
60 | } | |
61 | #else | |
62 | static inline void omap_init_mbox(void) { } | |
63 | #endif | |
64 | ||
9b6553cd TL |
65 | #if defined(CONFIG_OMAP_STI) |
66 | ||
646e3ed1 TL |
67 | #if defined(CONFIG_ARCH_OMAP2) |
68 | ||
69 | #define OMAP2_STI_BASE 0x48068000 | |
9b6553cd TL |
70 | #define OMAP2_STI_CHANNEL_BASE 0x54000000 |
71 | #define OMAP2_STI_IRQ 4 | |
72 | ||
73 | static struct resource sti_resources[] = { | |
74 | { | |
75 | .start = OMAP2_STI_BASE, | |
76 | .end = OMAP2_STI_BASE + 0x7ff, | |
77 | .flags = IORESOURCE_MEM, | |
78 | }, | |
79 | { | |
80 | .start = OMAP2_STI_CHANNEL_BASE, | |
81 | .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, | |
82 | .flags = IORESOURCE_MEM, | |
83 | }, | |
84 | { | |
85 | .start = OMAP2_STI_IRQ, | |
86 | .flags = IORESOURCE_IRQ, | |
87 | } | |
88 | }; | |
646e3ed1 TL |
89 | #elif defined(CONFIG_ARCH_OMAP3) |
90 | ||
91 | #define OMAP3_SDTI_BASE 0x54500000 | |
92 | #define OMAP3_SDTI_CHANNEL_BASE 0x54600000 | |
93 | ||
94 | static struct resource sti_resources[] = { | |
95 | { | |
96 | .start = OMAP3_SDTI_BASE, | |
97 | .end = OMAP3_SDTI_BASE + 0xFFF, | |
98 | .flags = IORESOURCE_MEM, | |
99 | }, | |
100 | { | |
101 | .start = OMAP3_SDTI_CHANNEL_BASE, | |
102 | .end = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1, | |
103 | .flags = IORESOURCE_MEM, | |
104 | } | |
105 | }; | |
106 | ||
107 | #endif | |
9b6553cd TL |
108 | |
109 | static struct platform_device sti_device = { | |
110 | .name = "sti", | |
111 | .id = -1, | |
9b6553cd TL |
112 | .num_resources = ARRAY_SIZE(sti_resources), |
113 | .resource = sti_resources, | |
114 | }; | |
115 | ||
116 | static inline void omap_init_sti(void) | |
117 | { | |
118 | platform_device_register(&sti_device); | |
119 | } | |
120 | #else | |
121 | static inline void omap_init_sti(void) {} | |
122 | #endif | |
123 | ||
646e3ed1 | 124 | #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) |
ed7eb9d9 | 125 | |
a09e64fb | 126 | #include <mach/mcspi.h> |
ed7eb9d9 JY |
127 | |
128 | #define OMAP2_MCSPI1_BASE 0x48098000 | |
129 | #define OMAP2_MCSPI2_BASE 0x4809a000 | |
646e3ed1 TL |
130 | #define OMAP2_MCSPI3_BASE 0x480b8000 |
131 | #define OMAP2_MCSPI4_BASE 0x480ba000 | |
ed7eb9d9 | 132 | |
ed7eb9d9 | 133 | static struct omap2_mcspi_platform_config omap2_mcspi1_config = { |
ed7eb9d9 JY |
134 | .num_cs = 4, |
135 | }; | |
136 | ||
c40fae95 TL |
137 | static struct resource omap2_mcspi1_resources[] = { |
138 | { | |
139 | .start = OMAP2_MCSPI1_BASE, | |
140 | .end = OMAP2_MCSPI1_BASE + 0xff, | |
141 | .flags = IORESOURCE_MEM, | |
142 | }, | |
143 | }; | |
144 | ||
646e3ed1 | 145 | static struct platform_device omap2_mcspi1 = { |
ed7eb9d9 JY |
146 | .name = "omap2_mcspi", |
147 | .id = 1, | |
c40fae95 TL |
148 | .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), |
149 | .resource = omap2_mcspi1_resources, | |
ed7eb9d9 JY |
150 | .dev = { |
151 | .platform_data = &omap2_mcspi1_config, | |
152 | }, | |
153 | }; | |
154 | ||
155 | static struct omap2_mcspi_platform_config omap2_mcspi2_config = { | |
ed7eb9d9 JY |
156 | .num_cs = 2, |
157 | }; | |
158 | ||
c40fae95 TL |
159 | static struct resource omap2_mcspi2_resources[] = { |
160 | { | |
161 | .start = OMAP2_MCSPI2_BASE, | |
162 | .end = OMAP2_MCSPI2_BASE + 0xff, | |
163 | .flags = IORESOURCE_MEM, | |
164 | }, | |
165 | }; | |
166 | ||
646e3ed1 | 167 | static struct platform_device omap2_mcspi2 = { |
ed7eb9d9 JY |
168 | .name = "omap2_mcspi", |
169 | .id = 2, | |
c40fae95 TL |
170 | .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), |
171 | .resource = omap2_mcspi2_resources, | |
ed7eb9d9 JY |
172 | .dev = { |
173 | .platform_data = &omap2_mcspi2_config, | |
174 | }, | |
175 | }; | |
176 | ||
646e3ed1 TL |
177 | #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) |
178 | static struct omap2_mcspi_platform_config omap2_mcspi3_config = { | |
179 | .num_cs = 2, | |
180 | }; | |
181 | ||
182 | static struct resource omap2_mcspi3_resources[] = { | |
183 | { | |
184 | .start = OMAP2_MCSPI3_BASE, | |
185 | .end = OMAP2_MCSPI3_BASE + 0xff, | |
186 | .flags = IORESOURCE_MEM, | |
187 | }, | |
188 | }; | |
189 | ||
190 | static struct platform_device omap2_mcspi3 = { | |
191 | .name = "omap2_mcspi", | |
192 | .id = 3, | |
193 | .num_resources = ARRAY_SIZE(omap2_mcspi3_resources), | |
194 | .resource = omap2_mcspi3_resources, | |
195 | .dev = { | |
196 | .platform_data = &omap2_mcspi3_config, | |
197 | }, | |
198 | }; | |
199 | #endif | |
200 | ||
201 | #ifdef CONFIG_ARCH_OMAP3 | |
202 | static struct omap2_mcspi_platform_config omap2_mcspi4_config = { | |
203 | .num_cs = 1, | |
204 | }; | |
205 | ||
206 | static struct resource omap2_mcspi4_resources[] = { | |
207 | { | |
208 | .start = OMAP2_MCSPI4_BASE, | |
209 | .end = OMAP2_MCSPI4_BASE + 0xff, | |
210 | .flags = IORESOURCE_MEM, | |
211 | }, | |
212 | }; | |
213 | ||
214 | static struct platform_device omap2_mcspi4 = { | |
215 | .name = "omap2_mcspi", | |
216 | .id = 4, | |
217 | .num_resources = ARRAY_SIZE(omap2_mcspi4_resources), | |
218 | .resource = omap2_mcspi4_resources, | |
219 | .dev = { | |
220 | .platform_data = &omap2_mcspi4_config, | |
221 | }, | |
222 | }; | |
223 | #endif | |
224 | ||
ed7eb9d9 JY |
225 | static void omap_init_mcspi(void) |
226 | { | |
227 | platform_device_register(&omap2_mcspi1); | |
228 | platform_device_register(&omap2_mcspi2); | |
646e3ed1 TL |
229 | #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) |
230 | platform_device_register(&omap2_mcspi3); | |
231 | #endif | |
232 | #ifdef CONFIG_ARCH_OMAP3 | |
233 | platform_device_register(&omap2_mcspi4); | |
234 | #endif | |
ed7eb9d9 JY |
235 | } |
236 | ||
237 | #else | |
238 | static inline void omap_init_mcspi(void) {} | |
239 | #endif | |
240 | ||
646e3ed1 TL |
241 | #ifdef CONFIG_SND_OMAP24XX_EAC |
242 | ||
243 | #define OMAP2_EAC_BASE 0x48090000 | |
244 | ||
245 | static struct resource omap2_eac_resources[] = { | |
246 | { | |
247 | .start = OMAP2_EAC_BASE, | |
248 | .end = OMAP2_EAC_BASE + 0x109, | |
249 | .flags = IORESOURCE_MEM, | |
250 | }, | |
251 | }; | |
252 | ||
253 | static struct platform_device omap2_eac_device = { | |
254 | .name = "omap24xx-eac", | |
255 | .id = -1, | |
256 | .num_resources = ARRAY_SIZE(omap2_eac_resources), | |
257 | .resource = omap2_eac_resources, | |
258 | .dev = { | |
259 | .platform_data = NULL, | |
260 | }, | |
261 | }; | |
262 | ||
263 | void omap_init_eac(struct eac_platform_data *pdata) | |
264 | { | |
265 | omap2_eac_device.dev.platform_data = pdata; | |
266 | platform_device_register(&omap2_eac_device); | |
267 | } | |
268 | ||
269 | #else | |
270 | void omap_init_eac(struct eac_platform_data *pdata) {} | |
271 | #endif | |
272 | ||
273 | #ifdef CONFIG_OMAP_SHA1_MD5 | |
274 | static struct resource sha1_md5_resources[] = { | |
275 | { | |
276 | .start = OMAP24XX_SEC_SHA1MD5_BASE, | |
277 | .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64, | |
278 | .flags = IORESOURCE_MEM, | |
279 | }, | |
280 | { | |
281 | .start = INT_24XX_SHA1MD5, | |
282 | .flags = IORESOURCE_IRQ, | |
283 | } | |
284 | }; | |
285 | ||
286 | static struct platform_device sha1_md5_device = { | |
287 | .name = "OMAP SHA1/MD5", | |
288 | .id = -1, | |
289 | .num_resources = ARRAY_SIZE(sha1_md5_resources), | |
290 | .resource = sha1_md5_resources, | |
291 | }; | |
292 | ||
293 | static void omap_init_sha1_md5(void) | |
294 | { | |
295 | platform_device_register(&sha1_md5_device); | |
296 | } | |
297 | #else | |
298 | static inline void omap_init_sha1_md5(void) { } | |
299 | #endif | |
300 | ||
d8874665 TL |
301 | /*-------------------------------------------------------------------------*/ |
302 | ||
917fa280 KH |
303 | #ifdef CONFIG_ARCH_OMAP3 |
304 | ||
305 | #define MMCHS_SYSCONFIG 0x0010 | |
306 | #define MMCHS_SYSCONFIG_SWRESET (1 << 1) | |
307 | #define MMCHS_SYSSTATUS 0x0014 | |
308 | #define MMCHS_SYSSTATUS_RESETDONE (1 << 0) | |
309 | ||
310 | static struct platform_device dummy_pdev = { | |
311 | .dev = { | |
312 | .bus = &platform_bus_type, | |
313 | }, | |
314 | }; | |
315 | ||
316 | /** | |
317 | * omap_hsmmc_reset() - Full reset of each HS-MMC controller | |
318 | * | |
319 | * Ensure that each MMC controller is fully reset. Controllers | |
320 | * left in an unknown state (by bootloader) may prevent retention | |
321 | * or OFF-mode. This is especially important in cases where the | |
322 | * MMC driver is not enabled, _or_ built as a module. | |
323 | * | |
324 | * In order for reset to work, interface, functional and debounce | |
325 | * clocks must be enabled. The debounce clock comes from func_32k_clk | |
326 | * and is not under SW control, so we only enable i- and f-clocks. | |
327 | **/ | |
328 | static void __init omap_hsmmc_reset(void) | |
329 | { | |
330 | u32 i, nr_controllers = cpu_is_omap34xx() ? OMAP34XX_NR_MMC : | |
331 | OMAP24XX_NR_MMC; | |
332 | ||
333 | for (i = 0; i < nr_controllers; i++) { | |
334 | u32 v, base = 0; | |
335 | struct clk *iclk, *fclk; | |
336 | struct device *dev = &dummy_pdev.dev; | |
337 | ||
338 | switch (i) { | |
339 | case 0: | |
340 | base = OMAP2_MMC1_BASE; | |
341 | break; | |
342 | case 1: | |
343 | base = OMAP2_MMC2_BASE; | |
344 | break; | |
345 | case 2: | |
346 | base = OMAP3_MMC3_BASE; | |
347 | break; | |
348 | } | |
349 | ||
350 | dummy_pdev.id = i; | |
351 | iclk = clk_get(dev, "mmchs_ick"); | |
352 | if (iclk && clk_enable(iclk)) | |
353 | iclk = NULL; | |
354 | ||
355 | fclk = clk_get(dev, "mmchs_fck"); | |
356 | if (fclk && clk_enable(fclk)) | |
357 | fclk = NULL; | |
358 | ||
359 | if (!iclk || !fclk) { | |
360 | printk(KERN_WARNING | |
361 | "%s: Unable to enable clocks for MMC%d, " | |
362 | "cannot reset.\n", __func__, i); | |
363 | break; | |
364 | } | |
365 | ||
366 | omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG); | |
367 | v = omap_readl(base + MMCHS_SYSSTATUS); | |
368 | while (!(omap_readl(base + MMCHS_SYSSTATUS) & | |
369 | MMCHS_SYSSTATUS_RESETDONE)) | |
370 | cpu_relax(); | |
371 | ||
372 | if (fclk) { | |
373 | clk_disable(fclk); | |
374 | clk_put(fclk); | |
375 | } | |
376 | if (iclk) { | |
377 | clk_disable(iclk); | |
378 | clk_put(iclk); | |
379 | } | |
380 | } | |
381 | } | |
382 | #else | |
383 | static inline void omap_hsmmc_reset(void) {} | |
384 | #endif | |
385 | ||
d8874665 TL |
386 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ |
387 | defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) | |
388 | ||
389 | static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, | |
390 | int controller_nr) | |
391 | { | |
392 | if (cpu_is_omap2420() && controller_nr == 0) { | |
393 | omap_cfg_reg(H18_24XX_MMC_CMD); | |
394 | omap_cfg_reg(H15_24XX_MMC_CLKI); | |
395 | omap_cfg_reg(G19_24XX_MMC_CLKO); | |
396 | omap_cfg_reg(F20_24XX_MMC_DAT0); | |
397 | omap_cfg_reg(F19_24XX_MMC_DAT_DIR0); | |
398 | omap_cfg_reg(G18_24XX_MMC_CMD_DIR); | |
90c62bf0 | 399 | if (mmc_controller->slots[0].wires == 4) { |
d8874665 TL |
400 | omap_cfg_reg(H14_24XX_MMC_DAT1); |
401 | omap_cfg_reg(E19_24XX_MMC_DAT2); | |
402 | omap_cfg_reg(D19_24XX_MMC_DAT3); | |
403 | omap_cfg_reg(E20_24XX_MMC_DAT_DIR1); | |
404 | omap_cfg_reg(F18_24XX_MMC_DAT_DIR2); | |
405 | omap_cfg_reg(E18_24XX_MMC_DAT_DIR3); | |
406 | } | |
407 | ||
408 | /* | |
409 | * Use internal loop-back in MMC/SDIO Module Input Clock | |
410 | * selection | |
411 | */ | |
412 | if (mmc_controller->slots[0].internal_clock) { | |
413 | u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); | |
414 | v |= (1 << 24); | |
415 | omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); | |
416 | } | |
417 | } | |
418 | } | |
419 | ||
420 | void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, | |
421 | int nr_controllers) | |
422 | { | |
423 | int i; | |
0dffb5c5 | 424 | char *name; |
d8874665 TL |
425 | |
426 | for (i = 0; i < nr_controllers; i++) { | |
427 | unsigned long base, size; | |
428 | unsigned int irq = 0; | |
429 | ||
430 | if (!mmc_data[i]) | |
431 | continue; | |
432 | ||
433 | omap2_mmc_mux(mmc_data[i], i); | |
434 | ||
435 | switch (i) { | |
436 | case 0: | |
437 | base = OMAP2_MMC1_BASE; | |
438 | irq = INT_24XX_MMC_IRQ; | |
439 | break; | |
440 | case 1: | |
441 | base = OMAP2_MMC2_BASE; | |
442 | irq = INT_24XX_MMC2_IRQ; | |
443 | break; | |
444 | case 2: | |
445 | if (!cpu_is_omap34xx()) | |
446 | return; | |
447 | base = OMAP3_MMC3_BASE; | |
448 | irq = INT_34XX_MMC3_IRQ; | |
449 | break; | |
450 | default: | |
451 | continue; | |
452 | } | |
453 | ||
0dffb5c5 | 454 | if (cpu_is_omap2420()) { |
d8874665 | 455 | size = OMAP2420_MMC_SIZE; |
0dffb5c5 TL |
456 | name = "mmci-omap"; |
457 | } else { | |
d8874665 | 458 | size = HSMMC_SIZE; |
0dffb5c5 TL |
459 | name = "mmci-omap-hs"; |
460 | } | |
461 | omap_mmc_add(name, i, base, size, irq, mmc_data[i]); | |
d8874665 TL |
462 | }; |
463 | } | |
464 | ||
465 | #endif | |
466 | ||
467 | /*-------------------------------------------------------------------------*/ | |
468 | ||
646e3ed1 TL |
469 | #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE) |
470 | #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430) | |
471 | #define OMAP_HDQ_BASE 0x480B2000 | |
472 | #endif | |
473 | static struct resource omap_hdq_resources[] = { | |
474 | { | |
475 | .start = OMAP_HDQ_BASE, | |
476 | .end = OMAP_HDQ_BASE + 0x1C, | |
477 | .flags = IORESOURCE_MEM, | |
478 | }, | |
479 | { | |
480 | .start = INT_24XX_HDQ_IRQ, | |
481 | .flags = IORESOURCE_IRQ, | |
482 | }, | |
483 | }; | |
484 | static struct platform_device omap_hdq_dev = { | |
485 | .name = "omap_hdq", | |
486 | .id = 0, | |
487 | .dev = { | |
488 | .platform_data = NULL, | |
489 | }, | |
490 | .num_resources = ARRAY_SIZE(omap_hdq_resources), | |
491 | .resource = omap_hdq_resources, | |
492 | }; | |
493 | static inline void omap_hdq_init(void) | |
494 | { | |
495 | (void) platform_device_register(&omap_hdq_dev); | |
496 | } | |
497 | #else | |
498 | static inline void omap_hdq_init(void) {} | |
499 | #endif | |
500 | ||
1dbae815 TL |
501 | /*-------------------------------------------------------------------------*/ |
502 | ||
503 | static int __init omap2_init_devices(void) | |
504 | { | |
505 | /* please keep these calls, and their implementations above, | |
506 | * in alphabetical order so they're easier to sort through. | |
507 | */ | |
917fa280 | 508 | omap_hsmmc_reset(); |
c40fae95 | 509 | omap_init_mbox(); |
ed7eb9d9 | 510 | omap_init_mcspi(); |
646e3ed1 | 511 | omap_hdq_init(); |
9b6553cd | 512 | omap_init_sti(); |
646e3ed1 | 513 | omap_init_sha1_md5(); |
1dbae815 TL |
514 | |
515 | return 0; | |
516 | } | |
517 | arch_initcall(omap2_init_devices); |