xref: /linux/arch/arm/mach-omap2/devices.c (revision cc4589ebfae6f8dbb5cf880a0a67eedab3416492)
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 
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/io.h>
17 #include <linux/clk.h>
18 
19 #include <mach/hardware.h>
20 #include <mach/irqs.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/map.h>
23 #include <asm/pmu.h>
24 
25 #include <plat/control.h>
26 #include <plat/tc.h>
27 #include <plat/board.h>
28 #include <mach/gpio.h>
29 #include <plat/mmc.h>
30 #include <plat/dma.h>
31 
32 #include "mux.h"
33 
34 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
35 
36 static struct resource cam_resources[] = {
37 	{
38 		.start		= OMAP24XX_CAMERA_BASE,
39 		.end		= OMAP24XX_CAMERA_BASE + 0xfff,
40 		.flags		= IORESOURCE_MEM,
41 	},
42 	{
43 		.start		= INT_24XX_CAM_IRQ,
44 		.flags		= IORESOURCE_IRQ,
45 	}
46 };
47 
48 static struct platform_device omap_cam_device = {
49 	.name		= "omap24xxcam",
50 	.id		= -1,
51 	.num_resources	= ARRAY_SIZE(cam_resources),
52 	.resource	= cam_resources,
53 };
54 
55 static inline void omap_init_camera(void)
56 {
57 	platform_device_register(&omap_cam_device);
58 }
59 
60 #elif defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
61 
62 static struct resource omap3isp_resources[] = {
63 	{
64 		.start		= OMAP3430_ISP_BASE,
65 		.end		= OMAP3430_ISP_END,
66 		.flags		= IORESOURCE_MEM,
67 	},
68 	{
69 		.start		= OMAP3430_ISP_CBUFF_BASE,
70 		.end		= OMAP3430_ISP_CBUFF_END,
71 		.flags		= IORESOURCE_MEM,
72 	},
73 	{
74 		.start		= OMAP3430_ISP_CCP2_BASE,
75 		.end		= OMAP3430_ISP_CCP2_END,
76 		.flags		= IORESOURCE_MEM,
77 	},
78 	{
79 		.start		= OMAP3430_ISP_CCDC_BASE,
80 		.end		= OMAP3430_ISP_CCDC_END,
81 		.flags		= IORESOURCE_MEM,
82 	},
83 	{
84 		.start		= OMAP3430_ISP_HIST_BASE,
85 		.end		= OMAP3430_ISP_HIST_END,
86 		.flags		= IORESOURCE_MEM,
87 	},
88 	{
89 		.start		= OMAP3430_ISP_H3A_BASE,
90 		.end		= OMAP3430_ISP_H3A_END,
91 		.flags		= IORESOURCE_MEM,
92 	},
93 	{
94 		.start		= OMAP3430_ISP_PREV_BASE,
95 		.end		= OMAP3430_ISP_PREV_END,
96 		.flags		= IORESOURCE_MEM,
97 	},
98 	{
99 		.start		= OMAP3430_ISP_RESZ_BASE,
100 		.end		= OMAP3430_ISP_RESZ_END,
101 		.flags		= IORESOURCE_MEM,
102 	},
103 	{
104 		.start		= OMAP3430_ISP_SBL_BASE,
105 		.end		= OMAP3430_ISP_SBL_END,
106 		.flags		= IORESOURCE_MEM,
107 	},
108 	{
109 		.start		= OMAP3430_ISP_CSI2A_BASE,
110 		.end		= OMAP3430_ISP_CSI2A_END,
111 		.flags		= IORESOURCE_MEM,
112 	},
113 	{
114 		.start		= OMAP3430_ISP_CSI2PHY_BASE,
115 		.end		= OMAP3430_ISP_CSI2PHY_END,
116 		.flags		= IORESOURCE_MEM,
117 	},
118 	{
119 		.start		= INT_34XX_CAM_IRQ,
120 		.flags		= IORESOURCE_IRQ,
121 	}
122 };
123 
124 static struct platform_device omap3isp_device = {
125 	.name		= "omap3isp",
126 	.id		= -1,
127 	.num_resources	= ARRAY_SIZE(omap3isp_resources),
128 	.resource	= omap3isp_resources,
129 };
130 
131 static inline void omap_init_camera(void)
132 {
133 	platform_device_register(&omap3isp_device);
134 }
135 #else
136 static inline void omap_init_camera(void)
137 {
138 }
139 #endif
140 
141 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
142 
143 #define MBOX_REG_SIZE   0x120
144 
145 #ifdef CONFIG_ARCH_OMAP2
146 static struct resource omap2_mbox_resources[] = {
147 	{
148 		.start		= OMAP24XX_MAILBOX_BASE,
149 		.end		= OMAP24XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
150 		.flags		= IORESOURCE_MEM,
151 	},
152 	{
153 		.start		= INT_24XX_MAIL_U0_MPU,
154 		.flags		= IORESOURCE_IRQ,
155 		.name		= "dsp",
156 	},
157 	{
158 		.start		= INT_24XX_MAIL_U3_MPU,
159 		.flags		= IORESOURCE_IRQ,
160 		.name		= "iva",
161 	},
162 };
163 static int omap2_mbox_resources_sz = ARRAY_SIZE(omap2_mbox_resources);
164 #else
165 #define omap2_mbox_resources		NULL
166 #define omap2_mbox_resources_sz		0
167 #endif
168 
169 #ifdef CONFIG_ARCH_OMAP3
170 static struct resource omap3_mbox_resources[] = {
171 	{
172 		.start		= OMAP34XX_MAILBOX_BASE,
173 		.end		= OMAP34XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
174 		.flags		= IORESOURCE_MEM,
175 	},
176 	{
177 		.start		= INT_24XX_MAIL_U0_MPU,
178 		.flags		= IORESOURCE_IRQ,
179 		.name		= "dsp",
180 	},
181 };
182 static int omap3_mbox_resources_sz = ARRAY_SIZE(omap3_mbox_resources);
183 #else
184 #define omap3_mbox_resources		NULL
185 #define omap3_mbox_resources_sz		0
186 #endif
187 
188 #ifdef CONFIG_ARCH_OMAP4
189 
190 #define OMAP4_MBOX_REG_SIZE	0x130
191 static struct resource omap4_mbox_resources[] = {
192 	{
193 		.start          = OMAP44XX_MAILBOX_BASE,
194 		.end            = OMAP44XX_MAILBOX_BASE +
195 					OMAP4_MBOX_REG_SIZE - 1,
196 		.flags          = IORESOURCE_MEM,
197 	},
198 	{
199 		.start          = OMAP44XX_IRQ_MAIL_U0,
200 		.flags          = IORESOURCE_IRQ,
201 		.name		= "mbox",
202 	},
203 };
204 static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources);
205 #else
206 #define omap4_mbox_resources		NULL
207 #define omap4_mbox_resources_sz		0
208 #endif
209 
210 static struct platform_device mbox_device = {
211 	.name		= "omap-mailbox",
212 	.id		= -1,
213 };
214 
215 static inline void omap_init_mbox(void)
216 {
217 	if (cpu_is_omap24xx()) {
218 		mbox_device.resource = omap2_mbox_resources;
219 		mbox_device.num_resources = omap2_mbox_resources_sz;
220 	} else if (cpu_is_omap34xx()) {
221 		mbox_device.resource = omap3_mbox_resources;
222 		mbox_device.num_resources = omap3_mbox_resources_sz;
223 	} else if (cpu_is_omap44xx()) {
224 		mbox_device.resource = omap4_mbox_resources;
225 		mbox_device.num_resources = omap4_mbox_resources_sz;
226 	} else {
227 		pr_err("%s: platform not supported\n", __func__);
228 		return;
229 	}
230 	platform_device_register(&mbox_device);
231 }
232 #else
233 static inline void omap_init_mbox(void) { }
234 #endif /* CONFIG_OMAP_MBOX_FWK */
235 
236 static inline void omap_init_sti(void) {}
237 
238 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
239 
240 #include <plat/mcspi.h>
241 
242 #define OMAP2_MCSPI1_BASE		0x48098000
243 #define OMAP2_MCSPI2_BASE		0x4809a000
244 #define OMAP2_MCSPI3_BASE		0x480b8000
245 #define OMAP2_MCSPI4_BASE		0x480ba000
246 
247 #define OMAP4_MCSPI1_BASE		0x48098100
248 #define OMAP4_MCSPI2_BASE		0x4809a100
249 #define OMAP4_MCSPI3_BASE		0x480b8100
250 #define OMAP4_MCSPI4_BASE		0x480ba100
251 
252 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
253 	.num_cs		= 4,
254 };
255 
256 static struct resource omap2_mcspi1_resources[] = {
257 	{
258 		.start		= OMAP2_MCSPI1_BASE,
259 		.end		= OMAP2_MCSPI1_BASE + 0xff,
260 		.flags		= IORESOURCE_MEM,
261 	},
262 };
263 
264 static struct platform_device omap2_mcspi1 = {
265 	.name		= "omap2_mcspi",
266 	.id		= 1,
267 	.num_resources	= ARRAY_SIZE(omap2_mcspi1_resources),
268 	.resource	= omap2_mcspi1_resources,
269 	.dev		= {
270 		.platform_data = &omap2_mcspi1_config,
271 	},
272 };
273 
274 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
275 	.num_cs		= 2,
276 };
277 
278 static struct resource omap2_mcspi2_resources[] = {
279 	{
280 		.start		= OMAP2_MCSPI2_BASE,
281 		.end		= OMAP2_MCSPI2_BASE + 0xff,
282 		.flags		= IORESOURCE_MEM,
283 	},
284 };
285 
286 static struct platform_device omap2_mcspi2 = {
287 	.name		= "omap2_mcspi",
288 	.id		= 2,
289 	.num_resources	= ARRAY_SIZE(omap2_mcspi2_resources),
290 	.resource	= omap2_mcspi2_resources,
291 	.dev		= {
292 		.platform_data = &omap2_mcspi2_config,
293 	},
294 };
295 
296 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
297 	defined(CONFIG_ARCH_OMAP4)
298 static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
299 	.num_cs		= 2,
300 };
301 
302 static struct resource omap2_mcspi3_resources[] = {
303 	{
304 	.start		= OMAP2_MCSPI3_BASE,
305 	.end		= OMAP2_MCSPI3_BASE + 0xff,
306 	.flags		= IORESOURCE_MEM,
307 	},
308 };
309 
310 static struct platform_device omap2_mcspi3 = {
311 	.name		= "omap2_mcspi",
312 	.id		= 3,
313 	.num_resources	= ARRAY_SIZE(omap2_mcspi3_resources),
314 	.resource	= omap2_mcspi3_resources,
315 	.dev		= {
316 		.platform_data = &omap2_mcspi3_config,
317 	},
318 };
319 #endif
320 
321 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
322 static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
323 	.num_cs		= 1,
324 };
325 
326 static struct resource omap2_mcspi4_resources[] = {
327 	{
328 		.start		= OMAP2_MCSPI4_BASE,
329 		.end		= OMAP2_MCSPI4_BASE + 0xff,
330 		.flags		= IORESOURCE_MEM,
331 	},
332 };
333 
334 static struct platform_device omap2_mcspi4 = {
335 	.name		= "omap2_mcspi",
336 	.id		= 4,
337 	.num_resources	= ARRAY_SIZE(omap2_mcspi4_resources),
338 	.resource	= omap2_mcspi4_resources,
339 	.dev		= {
340 		.platform_data = &omap2_mcspi4_config,
341 	},
342 };
343 #endif
344 
345 #ifdef CONFIG_ARCH_OMAP4
346 static inline void omap4_mcspi_fixup(void)
347 {
348 	omap2_mcspi1_resources[0].start	= OMAP4_MCSPI1_BASE;
349 	omap2_mcspi1_resources[0].end	= OMAP4_MCSPI1_BASE + 0xff;
350 	omap2_mcspi2_resources[0].start	= OMAP4_MCSPI2_BASE;
351 	omap2_mcspi2_resources[0].end	= OMAP4_MCSPI2_BASE + 0xff;
352 	omap2_mcspi3_resources[0].start	= OMAP4_MCSPI3_BASE;
353 	omap2_mcspi3_resources[0].end	= OMAP4_MCSPI3_BASE + 0xff;
354 	omap2_mcspi4_resources[0].start	= OMAP4_MCSPI4_BASE;
355 	omap2_mcspi4_resources[0].end	= OMAP4_MCSPI4_BASE + 0xff;
356 }
357 #else
358 static inline void omap4_mcspi_fixup(void)
359 {
360 }
361 #endif
362 
363 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
364 	defined(CONFIG_ARCH_OMAP4)
365 static inline void omap2_mcspi3_init(void)
366 {
367 	platform_device_register(&omap2_mcspi3);
368 }
369 #else
370 static inline void omap2_mcspi3_init(void)
371 {
372 }
373 #endif
374 
375 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
376 static inline void omap2_mcspi4_init(void)
377 {
378 	platform_device_register(&omap2_mcspi4);
379 }
380 #else
381 static inline void omap2_mcspi4_init(void)
382 {
383 }
384 #endif
385 
386 static void omap_init_mcspi(void)
387 {
388 	if (cpu_is_omap44xx())
389 		omap4_mcspi_fixup();
390 
391 	platform_device_register(&omap2_mcspi1);
392 	platform_device_register(&omap2_mcspi2);
393 
394 	if (cpu_is_omap2430() || cpu_is_omap343x() || cpu_is_omap44xx())
395 		omap2_mcspi3_init();
396 
397 	if (cpu_is_omap343x() || cpu_is_omap44xx())
398 		omap2_mcspi4_init();
399 }
400 
401 #else
402 static inline void omap_init_mcspi(void) {}
403 #endif
404 
405 static struct resource omap2_pmu_resource = {
406 	.start	= 3,
407 	.end	= 3,
408 	.flags	= IORESOURCE_IRQ,
409 };
410 
411 static struct resource omap3_pmu_resource = {
412 	.start	= INT_34XX_BENCH_MPU_EMUL,
413 	.end	= INT_34XX_BENCH_MPU_EMUL,
414 	.flags	= IORESOURCE_IRQ,
415 };
416 
417 static struct platform_device omap_pmu_device = {
418 	.name		= "arm-pmu",
419 	.id		= ARM_PMU_DEVICE_CPU,
420 	.num_resources	= 1,
421 };
422 
423 static void omap_init_pmu(void)
424 {
425 	if (cpu_is_omap24xx())
426 		omap_pmu_device.resource = &omap2_pmu_resource;
427 	else if (cpu_is_omap34xx())
428 		omap_pmu_device.resource = &omap3_pmu_resource;
429 	else
430 		return;
431 
432 	platform_device_register(&omap_pmu_device);
433 }
434 
435 
436 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
437 
438 #ifdef CONFIG_ARCH_OMAP2
439 static struct resource omap2_sham_resources[] = {
440 	{
441 		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
442 		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
443 		.flags	= IORESOURCE_MEM,
444 	},
445 	{
446 		.start	= INT_24XX_SHA1MD5,
447 		.flags	= IORESOURCE_IRQ,
448 	}
449 };
450 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
451 #else
452 #define omap2_sham_resources		NULL
453 #define omap2_sham_resources_sz		0
454 #endif
455 
456 #ifdef CONFIG_ARCH_OMAP3
457 static struct resource omap3_sham_resources[] = {
458 	{
459 		.start	= OMAP34XX_SEC_SHA1MD5_BASE,
460 		.end	= OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
461 		.flags	= IORESOURCE_MEM,
462 	},
463 	{
464 		.start	= INT_34XX_SHA1MD52_IRQ,
465 		.flags	= IORESOURCE_IRQ,
466 	},
467 	{
468 		.start	= OMAP34XX_DMA_SHA1MD5_RX,
469 		.flags	= IORESOURCE_DMA,
470 	}
471 };
472 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
473 #else
474 #define omap3_sham_resources		NULL
475 #define omap3_sham_resources_sz		0
476 #endif
477 
478 static struct platform_device sham_device = {
479 	.name		= "omap-sham",
480 	.id		= -1,
481 };
482 
483 static void omap_init_sham(void)
484 {
485 	if (cpu_is_omap24xx()) {
486 		sham_device.resource = omap2_sham_resources;
487 		sham_device.num_resources = omap2_sham_resources_sz;
488 	} else if (cpu_is_omap34xx()) {
489 		sham_device.resource = omap3_sham_resources;
490 		sham_device.num_resources = omap3_sham_resources_sz;
491 	} else {
492 		pr_err("%s: platform not supported\n", __func__);
493 		return;
494 	}
495 	platform_device_register(&sham_device);
496 }
497 #else
498 static inline void omap_init_sham(void) { }
499 #endif
500 
501 /*-------------------------------------------------------------------------*/
502 
503 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
504 
505 #define MMCHS_SYSCONFIG			0x0010
506 #define MMCHS_SYSCONFIG_SWRESET		(1 << 1)
507 #define MMCHS_SYSSTATUS			0x0014
508 #define MMCHS_SYSSTATUS_RESETDONE	(1 << 0)
509 
510 static struct platform_device dummy_pdev = {
511 	.dev = {
512 		.bus = &platform_bus_type,
513 	},
514 };
515 
516 /**
517  * omap_hsmmc_reset() - Full reset of each HS-MMC controller
518  *
519  * Ensure that each MMC controller is fully reset.  Controllers
520  * left in an unknown state (by bootloader) may prevent retention
521  * or OFF-mode.  This is especially important in cases where the
522  * MMC driver is not enabled, _or_ built as a module.
523  *
524  * In order for reset to work, interface, functional and debounce
525  * clocks must be enabled.  The debounce clock comes from func_32k_clk
526  * and is not under SW control, so we only enable i- and f-clocks.
527  **/
528 static void __init omap_hsmmc_reset(void)
529 {
530 	u32 i, nr_controllers;
531 
532 	if (cpu_is_omap242x())
533 		return;
534 
535 	nr_controllers = cpu_is_omap44xx() ? OMAP44XX_NR_MMC :
536 		(cpu_is_omap34xx() ? OMAP34XX_NR_MMC : OMAP24XX_NR_MMC);
537 
538 	for (i = 0; i < nr_controllers; i++) {
539 		u32 v, base = 0;
540 		struct clk *iclk, *fclk;
541 		struct device *dev = &dummy_pdev.dev;
542 
543 		switch (i) {
544 		case 0:
545 			base = OMAP2_MMC1_BASE;
546 			break;
547 		case 1:
548 			base = OMAP2_MMC2_BASE;
549 			break;
550 		case 2:
551 			base = OMAP3_MMC3_BASE;
552 			break;
553 		case 3:
554 			if (!cpu_is_omap44xx())
555 				return;
556 			base = OMAP4_MMC4_BASE;
557 			break;
558 		case 4:
559 			if (!cpu_is_omap44xx())
560 				return;
561 			base = OMAP4_MMC5_BASE;
562 			break;
563 		}
564 
565 		if (cpu_is_omap44xx())
566 			base += OMAP4_MMC_REG_OFFSET;
567 
568 		dummy_pdev.id = i;
569 		dev_set_name(&dummy_pdev.dev, "mmci-omap-hs.%d", i);
570 		iclk = clk_get(dev, "ick");
571 		if (iclk && clk_enable(iclk))
572 			iclk = NULL;
573 
574 		fclk = clk_get(dev, "fck");
575 		if (fclk && clk_enable(fclk))
576 			fclk = NULL;
577 
578 		if (!iclk || !fclk) {
579 			printk(KERN_WARNING
580 			       "%s: Unable to enable clocks for MMC%d, "
581 			       "cannot reset.\n",  __func__, i);
582 			break;
583 		}
584 
585 		omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG);
586 		v = omap_readl(base + MMCHS_SYSSTATUS);
587 		while (!(omap_readl(base + MMCHS_SYSSTATUS) &
588 			 MMCHS_SYSSTATUS_RESETDONE))
589 			cpu_relax();
590 
591 		if (fclk) {
592 			clk_disable(fclk);
593 			clk_put(fclk);
594 		}
595 		if (iclk) {
596 			clk_disable(iclk);
597 			clk_put(iclk);
598 		}
599 	}
600 }
601 #else
602 static inline void omap_hsmmc_reset(void) {}
603 #endif
604 
605 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
606 	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
607 
608 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
609 			int controller_nr)
610 {
611 	if ((mmc_controller->slots[0].switch_pin > 0) && \
612 		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
613 		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
614 					OMAP_PIN_INPUT_PULLUP);
615 	if ((mmc_controller->slots[0].gpio_wp > 0) && \
616 		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
617 		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
618 					OMAP_PIN_INPUT_PULLUP);
619 
620 	if (cpu_is_omap2420() && controller_nr == 0) {
621 		omap_mux_init_signal("sdmmc_cmd", 0);
622 		omap_mux_init_signal("sdmmc_clki", 0);
623 		omap_mux_init_signal("sdmmc_clko", 0);
624 		omap_mux_init_signal("sdmmc_dat0", 0);
625 		omap_mux_init_signal("sdmmc_dat_dir0", 0);
626 		omap_mux_init_signal("sdmmc_cmd_dir", 0);
627 		if (mmc_controller->slots[0].wires == 4) {
628 			omap_mux_init_signal("sdmmc_dat1", 0);
629 			omap_mux_init_signal("sdmmc_dat2", 0);
630 			omap_mux_init_signal("sdmmc_dat3", 0);
631 			omap_mux_init_signal("sdmmc_dat_dir1", 0);
632 			omap_mux_init_signal("sdmmc_dat_dir2", 0);
633 			omap_mux_init_signal("sdmmc_dat_dir3", 0);
634 		}
635 
636 		/*
637 		 * Use internal loop-back in MMC/SDIO Module Input Clock
638 		 * selection
639 		 */
640 		if (mmc_controller->slots[0].internal_clock) {
641 			u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
642 			v |= (1 << 24);
643 			omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
644 		}
645 	}
646 
647 	if (cpu_is_omap34xx()) {
648 		if (controller_nr == 0) {
649 			omap_mux_init_signal("sdmmc1_clk",
650 				OMAP_PIN_INPUT_PULLUP);
651 			omap_mux_init_signal("sdmmc1_cmd",
652 				OMAP_PIN_INPUT_PULLUP);
653 			omap_mux_init_signal("sdmmc1_dat0",
654 				OMAP_PIN_INPUT_PULLUP);
655 			if (mmc_controller->slots[0].wires == 4 ||
656 				mmc_controller->slots[0].wires == 8) {
657 				omap_mux_init_signal("sdmmc1_dat1",
658 					OMAP_PIN_INPUT_PULLUP);
659 				omap_mux_init_signal("sdmmc1_dat2",
660 					OMAP_PIN_INPUT_PULLUP);
661 				omap_mux_init_signal("sdmmc1_dat3",
662 					OMAP_PIN_INPUT_PULLUP);
663 			}
664 			if (mmc_controller->slots[0].wires == 8) {
665 				omap_mux_init_signal("sdmmc1_dat4",
666 					OMAP_PIN_INPUT_PULLUP);
667 				omap_mux_init_signal("sdmmc1_dat5",
668 					OMAP_PIN_INPUT_PULLUP);
669 				omap_mux_init_signal("sdmmc1_dat6",
670 					OMAP_PIN_INPUT_PULLUP);
671 				omap_mux_init_signal("sdmmc1_dat7",
672 					OMAP_PIN_INPUT_PULLUP);
673 			}
674 		}
675 		if (controller_nr == 1) {
676 			/* MMC2 */
677 			omap_mux_init_signal("sdmmc2_clk",
678 				OMAP_PIN_INPUT_PULLUP);
679 			omap_mux_init_signal("sdmmc2_cmd",
680 				OMAP_PIN_INPUT_PULLUP);
681 			omap_mux_init_signal("sdmmc2_dat0",
682 				OMAP_PIN_INPUT_PULLUP);
683 
684 			/*
685 			 * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
686 			 * in the board-*.c files
687 			 */
688 			if (mmc_controller->slots[0].wires == 4 ||
689 				mmc_controller->slots[0].wires == 8) {
690 				omap_mux_init_signal("sdmmc2_dat1",
691 					OMAP_PIN_INPUT_PULLUP);
692 				omap_mux_init_signal("sdmmc2_dat2",
693 					OMAP_PIN_INPUT_PULLUP);
694 				omap_mux_init_signal("sdmmc2_dat3",
695 					OMAP_PIN_INPUT_PULLUP);
696 			}
697 			if (mmc_controller->slots[0].wires == 8) {
698 				omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
699 					OMAP_PIN_INPUT_PULLUP);
700 				omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
701 					OMAP_PIN_INPUT_PULLUP);
702 				omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6",
703 					OMAP_PIN_INPUT_PULLUP);
704 				omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7",
705 					OMAP_PIN_INPUT_PULLUP);
706 			}
707 		}
708 
709 		/*
710 		 * For MMC3 the pins need to be muxed in the board-*.c files
711 		 */
712 	}
713 }
714 
715 void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
716 			int nr_controllers)
717 {
718 	int i;
719 	char *name;
720 
721 	for (i = 0; i < nr_controllers; i++) {
722 		unsigned long base, size;
723 		unsigned int irq = 0;
724 
725 		if (!mmc_data[i])
726 			continue;
727 
728 		omap2_mmc_mux(mmc_data[i], i);
729 
730 		switch (i) {
731 		case 0:
732 			base = OMAP2_MMC1_BASE;
733 			irq = INT_24XX_MMC_IRQ;
734 			break;
735 		case 1:
736 			base = OMAP2_MMC2_BASE;
737 			irq = INT_24XX_MMC2_IRQ;
738 			break;
739 		case 2:
740 			if (!cpu_is_omap44xx() && !cpu_is_omap34xx())
741 				return;
742 			base = OMAP3_MMC3_BASE;
743 			irq = INT_34XX_MMC3_IRQ;
744 			break;
745 		case 3:
746 			if (!cpu_is_omap44xx())
747 				return;
748 			base = OMAP4_MMC4_BASE + OMAP4_MMC_REG_OFFSET;
749 			irq = OMAP44XX_IRQ_MMC4;
750 			break;
751 		case 4:
752 			if (!cpu_is_omap44xx())
753 				return;
754 			base = OMAP4_MMC5_BASE + OMAP4_MMC_REG_OFFSET;
755 			irq = OMAP44XX_IRQ_MMC5;
756 			break;
757 		default:
758 			continue;
759 		}
760 
761 		if (cpu_is_omap2420()) {
762 			size = OMAP2420_MMC_SIZE;
763 			name = "mmci-omap";
764 		} else if (cpu_is_omap44xx()) {
765 			if (i < 3) {
766 				base += OMAP4_MMC_REG_OFFSET;
767 				irq += OMAP44XX_IRQ_GIC_START;
768 			}
769 			size = OMAP4_HSMMC_SIZE;
770 			name = "mmci-omap-hs";
771 		} else {
772 			size = OMAP3_HSMMC_SIZE;
773 			name = "mmci-omap-hs";
774 		}
775 		omap_mmc_add(name, i, base, size, irq, mmc_data[i]);
776 	};
777 }
778 
779 #endif
780 
781 /*-------------------------------------------------------------------------*/
782 
783 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
784 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
785 #define OMAP_HDQ_BASE	0x480B2000
786 #endif
787 static struct resource omap_hdq_resources[] = {
788 	{
789 		.start		= OMAP_HDQ_BASE,
790 		.end		= OMAP_HDQ_BASE + 0x1C,
791 		.flags		= IORESOURCE_MEM,
792 	},
793 	{
794 		.start		= INT_24XX_HDQ_IRQ,
795 		.flags		= IORESOURCE_IRQ,
796 	},
797 };
798 static struct platform_device omap_hdq_dev = {
799 	.name = "omap_hdq",
800 	.id = 0,
801 	.dev = {
802 		.platform_data = NULL,
803 	},
804 	.num_resources	= ARRAY_SIZE(omap_hdq_resources),
805 	.resource	= omap_hdq_resources,
806 };
807 static inline void omap_hdq_init(void)
808 {
809 	(void) platform_device_register(&omap_hdq_dev);
810 }
811 #else
812 static inline void omap_hdq_init(void) {}
813 #endif
814 
815 /*---------------------------------------------------------------------------*/
816 
817 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
818 	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
819 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
820 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
821 };
822 #else
823 static struct resource omap_vout_resource[2] = {
824 };
825 #endif
826 
827 static struct platform_device omap_vout_device = {
828 	.name		= "omap_vout",
829 	.num_resources	= ARRAY_SIZE(omap_vout_resource),
830 	.resource 	= &omap_vout_resource[0],
831 	.id		= -1,
832 };
833 static void omap_init_vout(void)
834 {
835 	if (platform_device_register(&omap_vout_device) < 0)
836 		printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
837 }
838 #else
839 static inline void omap_init_vout(void) {}
840 #endif
841 
842 /*-------------------------------------------------------------------------*/
843 
844 static int __init omap2_init_devices(void)
845 {
846 	/* please keep these calls, and their implementations above,
847 	 * in alphabetical order so they're easier to sort through.
848 	 */
849 	omap_hsmmc_reset();
850 	omap_init_camera();
851 	omap_init_mbox();
852 	omap_init_mcspi();
853 	omap_init_pmu();
854 	omap_hdq_init();
855 	omap_init_sti();
856 	omap_init_sham();
857 	omap_init_vout();
858 
859 	return 0;
860 }
861 arch_initcall(omap2_init_devices);
862