xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision ca125b5e31f5ada6844f57c5a8e7cd104d26c8fa)
1 /*
2  * linux/arch/arm/mach-omap2/io.c
3  *
4  * OMAP2 I/O mapping code
5  *
6  * Copyright (C) 2005 Nokia Corporation
7  * Copyright (C) 2007-2009 Texas Instruments
8  *
9  * Author:
10  *	Juha Yrjola <juha.yrjola@nokia.com>
11  *	Syed Khasim <x0khasim@ti.com>
12  *
13  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
14  *
15  * This program is free software; you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License version 2 as
17  * published by the Free Software Foundation.
18  */
19 #include <linux/module.h>
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/io.h>
23 #include <linux/clk.h>
24 
25 #include <asm/tlb.h>
26 #include <asm/mach/map.h>
27 
28 #include <linux/omap-dma.h>
29 
30 #include "omap_hwmod.h"
31 #include "soc.h"
32 #include "iomap.h"
33 #include "voltage.h"
34 #include "powerdomain.h"
35 #include "clockdomain.h"
36 #include "common.h"
37 #include "clock.h"
38 #include "clock2xxx.h"
39 #include "clock3xxx.h"
40 #include "clock44xx.h"
41 #include "omap-pm.h"
42 #include "sdrc.h"
43 #include "control.h"
44 #include "serial.h"
45 #include "sram.h"
46 #include "cm2xxx.h"
47 #include "cm3xxx.h"
48 #include "cm33xx.h"
49 #include "cm44xx.h"
50 #include "prm.h"
51 #include "cm.h"
52 #include "prcm_mpu44xx.h"
53 #include "prminst44xx.h"
54 #include "prm2xxx.h"
55 #include "prm3xxx.h"
56 #include "prm33xx.h"
57 #include "prm44xx.h"
58 #include "opp2xxx.h"
59 
60 /*
61  * omap_clk_soc_init: points to a function that does the SoC-specific
62  * clock initializations
63  */
64 static int (*omap_clk_soc_init)(void);
65 
66 /*
67  * The machine specific code may provide the extra mapping besides the
68  * default mapping provided here.
69  */
70 
71 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
72 static struct map_desc omap24xx_io_desc[] __initdata = {
73 	{
74 		.virtual	= L3_24XX_VIRT,
75 		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
76 		.length		= L3_24XX_SIZE,
77 		.type		= MT_DEVICE
78 	},
79 	{
80 		.virtual	= L4_24XX_VIRT,
81 		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
82 		.length		= L4_24XX_SIZE,
83 		.type		= MT_DEVICE
84 	},
85 };
86 
87 #ifdef CONFIG_SOC_OMAP2420
88 static struct map_desc omap242x_io_desc[] __initdata = {
89 	{
90 		.virtual	= DSP_MEM_2420_VIRT,
91 		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
92 		.length		= DSP_MEM_2420_SIZE,
93 		.type		= MT_DEVICE
94 	},
95 	{
96 		.virtual	= DSP_IPI_2420_VIRT,
97 		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
98 		.length		= DSP_IPI_2420_SIZE,
99 		.type		= MT_DEVICE
100 	},
101 	{
102 		.virtual	= DSP_MMU_2420_VIRT,
103 		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
104 		.length		= DSP_MMU_2420_SIZE,
105 		.type		= MT_DEVICE
106 	},
107 };
108 
109 #endif
110 
111 #ifdef CONFIG_SOC_OMAP2430
112 static struct map_desc omap243x_io_desc[] __initdata = {
113 	{
114 		.virtual	= L4_WK_243X_VIRT,
115 		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
116 		.length		= L4_WK_243X_SIZE,
117 		.type		= MT_DEVICE
118 	},
119 	{
120 		.virtual	= OMAP243X_GPMC_VIRT,
121 		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
122 		.length		= OMAP243X_GPMC_SIZE,
123 		.type		= MT_DEVICE
124 	},
125 	{
126 		.virtual	= OMAP243X_SDRC_VIRT,
127 		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
128 		.length		= OMAP243X_SDRC_SIZE,
129 		.type		= MT_DEVICE
130 	},
131 	{
132 		.virtual	= OMAP243X_SMS_VIRT,
133 		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
134 		.length		= OMAP243X_SMS_SIZE,
135 		.type		= MT_DEVICE
136 	},
137 };
138 #endif
139 #endif
140 
141 #ifdef	CONFIG_ARCH_OMAP3
142 static struct map_desc omap34xx_io_desc[] __initdata = {
143 	{
144 		.virtual	= L3_34XX_VIRT,
145 		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
146 		.length		= L3_34XX_SIZE,
147 		.type		= MT_DEVICE
148 	},
149 	{
150 		.virtual	= L4_34XX_VIRT,
151 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
152 		.length		= L4_34XX_SIZE,
153 		.type		= MT_DEVICE
154 	},
155 	{
156 		.virtual	= OMAP34XX_GPMC_VIRT,
157 		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
158 		.length		= OMAP34XX_GPMC_SIZE,
159 		.type		= MT_DEVICE
160 	},
161 	{
162 		.virtual	= OMAP343X_SMS_VIRT,
163 		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
164 		.length		= OMAP343X_SMS_SIZE,
165 		.type		= MT_DEVICE
166 	},
167 	{
168 		.virtual	= OMAP343X_SDRC_VIRT,
169 		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
170 		.length		= OMAP343X_SDRC_SIZE,
171 		.type		= MT_DEVICE
172 	},
173 	{
174 		.virtual	= L4_PER_34XX_VIRT,
175 		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
176 		.length		= L4_PER_34XX_SIZE,
177 		.type		= MT_DEVICE
178 	},
179 	{
180 		.virtual	= L4_EMU_34XX_VIRT,
181 		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
182 		.length		= L4_EMU_34XX_SIZE,
183 		.type		= MT_DEVICE
184 	},
185 };
186 #endif
187 
188 #ifdef CONFIG_SOC_TI81XX
189 static struct map_desc omapti81xx_io_desc[] __initdata = {
190 	{
191 		.virtual	= L4_34XX_VIRT,
192 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
193 		.length		= L4_34XX_SIZE,
194 		.type		= MT_DEVICE
195 	}
196 };
197 #endif
198 
199 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
200 static struct map_desc omapam33xx_io_desc[] __initdata = {
201 	{
202 		.virtual	= L4_34XX_VIRT,
203 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
204 		.length		= L4_34XX_SIZE,
205 		.type		= MT_DEVICE
206 	},
207 	{
208 		.virtual	= L4_WK_AM33XX_VIRT,
209 		.pfn		= __phys_to_pfn(L4_WK_AM33XX_PHYS),
210 		.length		= L4_WK_AM33XX_SIZE,
211 		.type		= MT_DEVICE
212 	}
213 };
214 #endif
215 
216 #ifdef	CONFIG_ARCH_OMAP4
217 static struct map_desc omap44xx_io_desc[] __initdata = {
218 	{
219 		.virtual	= L3_44XX_VIRT,
220 		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
221 		.length		= L3_44XX_SIZE,
222 		.type		= MT_DEVICE,
223 	},
224 	{
225 		.virtual	= L4_44XX_VIRT,
226 		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
227 		.length		= L4_44XX_SIZE,
228 		.type		= MT_DEVICE,
229 	},
230 	{
231 		.virtual	= L4_PER_44XX_VIRT,
232 		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
233 		.length		= L4_PER_44XX_SIZE,
234 		.type		= MT_DEVICE,
235 	},
236 };
237 #endif
238 
239 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
240 static struct map_desc omap54xx_io_desc[] __initdata = {
241 	{
242 		.virtual	= L3_54XX_VIRT,
243 		.pfn		= __phys_to_pfn(L3_54XX_PHYS),
244 		.length		= L3_54XX_SIZE,
245 		.type		= MT_DEVICE,
246 	},
247 	{
248 		.virtual	= L4_54XX_VIRT,
249 		.pfn		= __phys_to_pfn(L4_54XX_PHYS),
250 		.length		= L4_54XX_SIZE,
251 		.type		= MT_DEVICE,
252 	},
253 	{
254 		.virtual	= L4_WK_54XX_VIRT,
255 		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),
256 		.length		= L4_WK_54XX_SIZE,
257 		.type		= MT_DEVICE,
258 	},
259 	{
260 		.virtual	= L4_PER_54XX_VIRT,
261 		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),
262 		.length		= L4_PER_54XX_SIZE,
263 		.type		= MT_DEVICE,
264 	},
265 };
266 #endif
267 
268 #ifdef CONFIG_SOC_OMAP2420
269 void __init omap242x_map_io(void)
270 {
271 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
272 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
273 }
274 #endif
275 
276 #ifdef CONFIG_SOC_OMAP2430
277 void __init omap243x_map_io(void)
278 {
279 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
280 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
281 }
282 #endif
283 
284 #ifdef CONFIG_ARCH_OMAP3
285 void __init omap3_map_io(void)
286 {
287 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
288 }
289 #endif
290 
291 #ifdef CONFIG_SOC_TI81XX
292 void __init ti81xx_map_io(void)
293 {
294 	iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
295 }
296 #endif
297 
298 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
299 void __init am33xx_map_io(void)
300 {
301 	iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
302 }
303 #endif
304 
305 #ifdef CONFIG_ARCH_OMAP4
306 void __init omap4_map_io(void)
307 {
308 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
309 	omap_barriers_init();
310 }
311 #endif
312 
313 #if defined(CONFIG_SOC_OMAP5) ||  defined(CONFIG_SOC_DRA7XX)
314 void __init omap5_map_io(void)
315 {
316 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
317 	omap_barriers_init();
318 }
319 #endif
320 /*
321  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
322  *
323  * Sets the CORE DPLL3 M2 divider to the same value that it's at
324  * currently.  This has the effect of setting the SDRC SDRAM AC timing
325  * registers to the values currently defined by the kernel.  Currently
326  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
327  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
328  * or passes along the return value of clk_set_rate().
329  */
330 static int __init _omap2_init_reprogram_sdrc(void)
331 {
332 	struct clk *dpll3_m2_ck;
333 	int v = -EINVAL;
334 	long rate;
335 
336 	if (!cpu_is_omap34xx())
337 		return 0;
338 
339 	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
340 	if (IS_ERR(dpll3_m2_ck))
341 		return -EINVAL;
342 
343 	rate = clk_get_rate(dpll3_m2_ck);
344 	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
345 	v = clk_set_rate(dpll3_m2_ck, rate);
346 	if (v)
347 		pr_err("dpll3_m2_clk rate change failed: %d\n", v);
348 
349 	clk_put(dpll3_m2_ck);
350 
351 	return v;
352 }
353 
354 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
355 {
356 	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
357 }
358 
359 static void __init omap_hwmod_init_postsetup(void)
360 {
361 	u8 postsetup_state;
362 
363 	/* Set the default postsetup state for all hwmods */
364 #ifdef CONFIG_PM
365 	postsetup_state = _HWMOD_STATE_IDLE;
366 #else
367 	postsetup_state = _HWMOD_STATE_ENABLED;
368 #endif
369 	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
370 
371 	omap_pm_if_early_init();
372 }
373 
374 static void __init __maybe_unused omap_common_late_init(void)
375 {
376 	omap_mux_late_init();
377 	omap2_common_pm_late_init();
378 	omap_soc_device_init();
379 }
380 
381 #ifdef CONFIG_SOC_OMAP2420
382 void __init omap2420_init_early(void)
383 {
384 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
385 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
386 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
387 	omap2_control_base_init();
388 	omap2xxx_check_revision();
389 	omap2_prcm_base_init();
390 	omap2xxx_voltagedomains_init();
391 	omap242x_powerdomains_init();
392 	omap242x_clockdomains_init();
393 	omap2420_hwmod_init();
394 	omap_hwmod_init_postsetup();
395 	omap_clk_soc_init = omap2420_dt_clk_init;
396 	rate_table = omap2420_rate_table;
397 }
398 
399 void __init omap2420_init_late(void)
400 {
401 	omap_common_late_init();
402 	omap2_pm_init();
403 	omap2_clk_enable_autoidle_all();
404 }
405 #endif
406 
407 #ifdef CONFIG_SOC_OMAP2430
408 void __init omap2430_init_early(void)
409 {
410 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
411 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
412 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
413 	omap2_control_base_init();
414 	omap2xxx_check_revision();
415 	omap2_prcm_base_init();
416 	omap2xxx_voltagedomains_init();
417 	omap243x_powerdomains_init();
418 	omap243x_clockdomains_init();
419 	omap2430_hwmod_init();
420 	omap_hwmod_init_postsetup();
421 	omap_clk_soc_init = omap2430_dt_clk_init;
422 	rate_table = omap2430_rate_table;
423 }
424 
425 void __init omap2430_init_late(void)
426 {
427 	omap_common_late_init();
428 	omap2_pm_init();
429 	omap2_clk_enable_autoidle_all();
430 }
431 #endif
432 
433 /*
434  * Currently only board-omap3beagle.c should call this because of the
435  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
436  */
437 #ifdef CONFIG_ARCH_OMAP3
438 void __init omap3_init_early(void)
439 {
440 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
441 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
442 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
443 	/* XXX: remove these once OMAP3 is DT only */
444 	if (!of_have_populated_dt()) {
445 		omap2_set_globals_control(
446 			OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE));
447 		omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
448 		omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
449 				     NULL);
450 	}
451 	omap2_control_base_init();
452 	omap3xxx_check_revision();
453 	omap3xxx_check_features();
454 	omap2_prcm_base_init();
455 	/* XXX: remove these once OMAP3 is DT only */
456 	if (!of_have_populated_dt()) {
457 		omap3xxx_prm_init(NULL);
458 		omap3xxx_cm_init(NULL);
459 	}
460 	omap3xxx_voltagedomains_init();
461 	omap3xxx_powerdomains_init();
462 	omap3xxx_clockdomains_init();
463 	omap3xxx_hwmod_init();
464 	omap_hwmod_init_postsetup();
465 	if (!of_have_populated_dt()) {
466 		omap3_control_legacy_iomap_init();
467 		if (soc_is_am35xx())
468 			omap_clk_soc_init = am35xx_clk_legacy_init;
469 		else if (cpu_is_omap3630())
470 			omap_clk_soc_init = omap36xx_clk_legacy_init;
471 		else if (omap_rev() == OMAP3430_REV_ES1_0)
472 			omap_clk_soc_init = omap3430es1_clk_legacy_init;
473 		else
474 			omap_clk_soc_init = omap3430_clk_legacy_init;
475 	}
476 }
477 
478 void __init omap3430_init_early(void)
479 {
480 	omap3_init_early();
481 	if (of_have_populated_dt())
482 		omap_clk_soc_init = omap3430_dt_clk_init;
483 }
484 
485 void __init omap35xx_init_early(void)
486 {
487 	omap3_init_early();
488 	if (of_have_populated_dt())
489 		omap_clk_soc_init = omap3430_dt_clk_init;
490 }
491 
492 void __init omap3630_init_early(void)
493 {
494 	omap3_init_early();
495 	if (of_have_populated_dt())
496 		omap_clk_soc_init = omap3630_dt_clk_init;
497 }
498 
499 void __init am35xx_init_early(void)
500 {
501 	omap3_init_early();
502 	if (of_have_populated_dt())
503 		omap_clk_soc_init = am35xx_dt_clk_init;
504 }
505 
506 void __init omap3_init_late(void)
507 {
508 	omap_common_late_init();
509 	omap3_pm_init();
510 	omap2_clk_enable_autoidle_all();
511 }
512 
513 void __init omap3430_init_late(void)
514 {
515 	omap_common_late_init();
516 	omap3_pm_init();
517 	omap2_clk_enable_autoidle_all();
518 }
519 
520 void __init omap35xx_init_late(void)
521 {
522 	omap_common_late_init();
523 	omap3_pm_init();
524 	omap2_clk_enable_autoidle_all();
525 }
526 
527 void __init omap3630_init_late(void)
528 {
529 	omap_common_late_init();
530 	omap3_pm_init();
531 	omap2_clk_enable_autoidle_all();
532 }
533 
534 void __init am35xx_init_late(void)
535 {
536 	omap_common_late_init();
537 	omap3_pm_init();
538 	omap2_clk_enable_autoidle_all();
539 }
540 
541 void __init ti81xx_init_late(void)
542 {
543 	omap_common_late_init();
544 	omap2_clk_enable_autoidle_all();
545 }
546 #endif
547 
548 #ifdef CONFIG_SOC_TI81XX
549 void __init ti814x_init_early(void)
550 {
551 	omap2_set_globals_tap(TI814X_CLASS,
552 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
553 	omap2_control_base_init();
554 	omap3xxx_check_revision();
555 	ti81xx_check_features();
556 	omap2_prcm_base_init();
557 	omap3xxx_voltagedomains_init();
558 	omap3xxx_powerdomains_init();
559 	ti81xx_clockdomains_init();
560 	ti81xx_hwmod_init();
561 	omap_hwmod_init_postsetup();
562 	if (of_have_populated_dt())
563 		omap_clk_soc_init = ti81xx_dt_clk_init;
564 }
565 
566 void __init ti816x_init_early(void)
567 {
568 	omap2_set_globals_tap(TI816X_CLASS,
569 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
570 	omap2_control_base_init();
571 	omap3xxx_check_revision();
572 	ti81xx_check_features();
573 	omap2_prcm_base_init();
574 	omap3xxx_voltagedomains_init();
575 	omap3xxx_powerdomains_init();
576 	ti81xx_clockdomains_init();
577 	ti81xx_hwmod_init();
578 	omap_hwmod_init_postsetup();
579 	if (of_have_populated_dt())
580 		omap_clk_soc_init = ti81xx_dt_clk_init;
581 }
582 #endif
583 
584 #ifdef CONFIG_SOC_AM33XX
585 void __init am33xx_init_early(void)
586 {
587 	omap2_set_globals_tap(AM335X_CLASS,
588 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
589 	omap2_control_base_init();
590 	omap3xxx_check_revision();
591 	am33xx_check_features();
592 	omap2_prcm_base_init();
593 	am33xx_powerdomains_init();
594 	am33xx_clockdomains_init();
595 	am33xx_hwmod_init();
596 	omap_hwmod_init_postsetup();
597 	omap_clk_soc_init = am33xx_dt_clk_init;
598 }
599 
600 void __init am33xx_init_late(void)
601 {
602 	omap_common_late_init();
603 }
604 #endif
605 
606 #ifdef CONFIG_SOC_AM43XX
607 void __init am43xx_init_early(void)
608 {
609 	omap2_set_globals_tap(AM335X_CLASS,
610 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
611 	omap2_control_base_init();
612 	omap3xxx_check_revision();
613 	am33xx_check_features();
614 	omap2_prcm_base_init();
615 	am43xx_powerdomains_init();
616 	am43xx_clockdomains_init();
617 	am43xx_hwmod_init();
618 	omap_hwmod_init_postsetup();
619 	omap_l2_cache_init();
620 	omap_clk_soc_init = am43xx_dt_clk_init;
621 }
622 
623 void __init am43xx_init_late(void)
624 {
625 	omap_common_late_init();
626 }
627 #endif
628 
629 #ifdef CONFIG_ARCH_OMAP4
630 void __init omap4430_init_early(void)
631 {
632 	omap2_set_globals_tap(OMAP443X_CLASS,
633 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
634 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
635 	omap2_control_base_init();
636 	omap4xxx_check_revision();
637 	omap4xxx_check_features();
638 	omap2_prcm_base_init();
639 	omap4_pm_init_early();
640 	omap44xx_voltagedomains_init();
641 	omap44xx_powerdomains_init();
642 	omap44xx_clockdomains_init();
643 	omap44xx_hwmod_init();
644 	omap_hwmod_init_postsetup();
645 	omap_l2_cache_init();
646 	omap_clk_soc_init = omap4xxx_dt_clk_init;
647 }
648 
649 void __init omap4430_init_late(void)
650 {
651 	omap_common_late_init();
652 	omap4_pm_init();
653 	omap2_clk_enable_autoidle_all();
654 }
655 #endif
656 
657 #ifdef CONFIG_SOC_OMAP5
658 void __init omap5_init_early(void)
659 {
660 	omap2_set_globals_tap(OMAP54XX_CLASS,
661 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
662 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
663 	omap2_control_base_init();
664 	omap4_pm_init_early();
665 	omap2_prcm_base_init();
666 	omap5xxx_check_revision();
667 	omap54xx_voltagedomains_init();
668 	omap54xx_powerdomains_init();
669 	omap54xx_clockdomains_init();
670 	omap54xx_hwmod_init();
671 	omap_hwmod_init_postsetup();
672 	omap_clk_soc_init = omap5xxx_dt_clk_init;
673 }
674 
675 void __init omap5_init_late(void)
676 {
677 	omap_common_late_init();
678 	omap4_pm_init();
679 	omap2_clk_enable_autoidle_all();
680 }
681 #endif
682 
683 #ifdef CONFIG_SOC_DRA7XX
684 void __init dra7xx_init_early(void)
685 {
686 	omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
687 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
688 	omap2_control_base_init();
689 	omap4_pm_init_early();
690 	omap2_prcm_base_init();
691 	dra7xxx_check_revision();
692 	dra7xx_powerdomains_init();
693 	dra7xx_clockdomains_init();
694 	dra7xx_hwmod_init();
695 	omap_hwmod_init_postsetup();
696 	omap_clk_soc_init = dra7xx_dt_clk_init;
697 }
698 
699 void __init dra7xx_init_late(void)
700 {
701 	omap_common_late_init();
702 	omap4_pm_init();
703 	omap2_clk_enable_autoidle_all();
704 }
705 #endif
706 
707 
708 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
709 				      struct omap_sdrc_params *sdrc_cs1)
710 {
711 	omap_sram_init();
712 
713 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
714 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
715 		_omap2_init_reprogram_sdrc();
716 	}
717 }
718 
719 int __init omap_clk_init(void)
720 {
721 	int ret = 0;
722 
723 	if (!omap_clk_soc_init)
724 		return 0;
725 
726 	ti_clk_init_features();
727 
728 	if (of_have_populated_dt()) {
729 		ret = omap_control_init();
730 		if (ret)
731 			return ret;
732 
733 		ret = omap_prcm_init();
734 		if (ret)
735 			return ret;
736 
737 		of_clk_init(NULL);
738 
739 		ti_dt_clk_init_retry_clks();
740 
741 		ti_dt_clockdomains_setup();
742 	}
743 
744 	ret = omap_clk_soc_init();
745 
746 	return ret;
747 }
748