xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision 2e554390)
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 "omap-pm.h"
41 #include "sdrc.h"
42 #include "control.h"
43 #include "serial.h"
44 #include "sram.h"
45 #include "cm2xxx.h"
46 #include "cm3xxx.h"
47 #include "cm33xx.h"
48 #include "cm44xx.h"
49 #include "prm.h"
50 #include "cm.h"
51 #include "prcm_mpu44xx.h"
52 #include "prminst44xx.h"
53 #include "prm2xxx.h"
54 #include "prm3xxx.h"
55 #include "prm33xx.h"
56 #include "prm44xx.h"
57 #include "opp2xxx.h"
58 
59 /*
60  * omap_clk_soc_init: points to a function that does the SoC-specific
61  * clock initializations
62  */
63 static int (*omap_clk_soc_init)(void);
64 
65 /*
66  * The machine specific code may provide the extra mapping besides the
67  * default mapping provided here.
68  */
69 
70 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
71 static struct map_desc omap24xx_io_desc[] __initdata = {
72 	{
73 		.virtual	= L3_24XX_VIRT,
74 		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
75 		.length		= L3_24XX_SIZE,
76 		.type		= MT_DEVICE
77 	},
78 	{
79 		.virtual	= L4_24XX_VIRT,
80 		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
81 		.length		= L4_24XX_SIZE,
82 		.type		= MT_DEVICE
83 	},
84 };
85 
86 #ifdef CONFIG_SOC_OMAP2420
87 static struct map_desc omap242x_io_desc[] __initdata = {
88 	{
89 		.virtual	= DSP_MEM_2420_VIRT,
90 		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
91 		.length		= DSP_MEM_2420_SIZE,
92 		.type		= MT_DEVICE
93 	},
94 	{
95 		.virtual	= DSP_IPI_2420_VIRT,
96 		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
97 		.length		= DSP_IPI_2420_SIZE,
98 		.type		= MT_DEVICE
99 	},
100 	{
101 		.virtual	= DSP_MMU_2420_VIRT,
102 		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
103 		.length		= DSP_MMU_2420_SIZE,
104 		.type		= MT_DEVICE
105 	},
106 };
107 
108 #endif
109 
110 #ifdef CONFIG_SOC_OMAP2430
111 static struct map_desc omap243x_io_desc[] __initdata = {
112 	{
113 		.virtual	= L4_WK_243X_VIRT,
114 		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
115 		.length		= L4_WK_243X_SIZE,
116 		.type		= MT_DEVICE
117 	},
118 	{
119 		.virtual	= OMAP243X_GPMC_VIRT,
120 		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
121 		.length		= OMAP243X_GPMC_SIZE,
122 		.type		= MT_DEVICE
123 	},
124 	{
125 		.virtual	= OMAP243X_SDRC_VIRT,
126 		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
127 		.length		= OMAP243X_SDRC_SIZE,
128 		.type		= MT_DEVICE
129 	},
130 	{
131 		.virtual	= OMAP243X_SMS_VIRT,
132 		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
133 		.length		= OMAP243X_SMS_SIZE,
134 		.type		= MT_DEVICE
135 	},
136 };
137 #endif
138 #endif
139 
140 #ifdef	CONFIG_ARCH_OMAP3
141 static struct map_desc omap34xx_io_desc[] __initdata = {
142 	{
143 		.virtual	= L3_34XX_VIRT,
144 		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
145 		.length		= L3_34XX_SIZE,
146 		.type		= MT_DEVICE
147 	},
148 	{
149 		.virtual	= L4_34XX_VIRT,
150 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
151 		.length		= L4_34XX_SIZE,
152 		.type		= MT_DEVICE
153 	},
154 	{
155 		.virtual	= OMAP34XX_GPMC_VIRT,
156 		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
157 		.length		= OMAP34XX_GPMC_SIZE,
158 		.type		= MT_DEVICE
159 	},
160 	{
161 		.virtual	= OMAP343X_SMS_VIRT,
162 		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
163 		.length		= OMAP343X_SMS_SIZE,
164 		.type		= MT_DEVICE
165 	},
166 	{
167 		.virtual	= OMAP343X_SDRC_VIRT,
168 		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
169 		.length		= OMAP343X_SDRC_SIZE,
170 		.type		= MT_DEVICE
171 	},
172 	{
173 		.virtual	= L4_PER_34XX_VIRT,
174 		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
175 		.length		= L4_PER_34XX_SIZE,
176 		.type		= MT_DEVICE
177 	},
178 	{
179 		.virtual	= L4_EMU_34XX_VIRT,
180 		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
181 		.length		= L4_EMU_34XX_SIZE,
182 		.type		= MT_DEVICE
183 	},
184 };
185 #endif
186 
187 #ifdef CONFIG_SOC_TI81XX
188 static struct map_desc omapti81xx_io_desc[] __initdata = {
189 	{
190 		.virtual	= L4_34XX_VIRT,
191 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
192 		.length		= L4_34XX_SIZE,
193 		.type		= MT_DEVICE
194 	}
195 };
196 #endif
197 
198 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
199 static struct map_desc omapam33xx_io_desc[] __initdata = {
200 	{
201 		.virtual	= L4_34XX_VIRT,
202 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
203 		.length		= L4_34XX_SIZE,
204 		.type		= MT_DEVICE
205 	},
206 	{
207 		.virtual	= L4_WK_AM33XX_VIRT,
208 		.pfn		= __phys_to_pfn(L4_WK_AM33XX_PHYS),
209 		.length		= L4_WK_AM33XX_SIZE,
210 		.type		= MT_DEVICE
211 	}
212 };
213 #endif
214 
215 #ifdef	CONFIG_ARCH_OMAP4
216 static struct map_desc omap44xx_io_desc[] __initdata = {
217 	{
218 		.virtual	= L3_44XX_VIRT,
219 		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
220 		.length		= L3_44XX_SIZE,
221 		.type		= MT_DEVICE,
222 	},
223 	{
224 		.virtual	= L4_44XX_VIRT,
225 		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
226 		.length		= L4_44XX_SIZE,
227 		.type		= MT_DEVICE,
228 	},
229 	{
230 		.virtual	= L4_PER_44XX_VIRT,
231 		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
232 		.length		= L4_PER_44XX_SIZE,
233 		.type		= MT_DEVICE,
234 	},
235 };
236 #endif
237 
238 #ifdef CONFIG_SOC_OMAP5
239 static struct map_desc omap54xx_io_desc[] __initdata = {
240 	{
241 		.virtual	= L3_54XX_VIRT,
242 		.pfn		= __phys_to_pfn(L3_54XX_PHYS),
243 		.length		= L3_54XX_SIZE,
244 		.type		= MT_DEVICE,
245 	},
246 	{
247 		.virtual	= L4_54XX_VIRT,
248 		.pfn		= __phys_to_pfn(L4_54XX_PHYS),
249 		.length		= L4_54XX_SIZE,
250 		.type		= MT_DEVICE,
251 	},
252 	{
253 		.virtual	= L4_WK_54XX_VIRT,
254 		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),
255 		.length		= L4_WK_54XX_SIZE,
256 		.type		= MT_DEVICE,
257 	},
258 	{
259 		.virtual	= L4_PER_54XX_VIRT,
260 		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),
261 		.length		= L4_PER_54XX_SIZE,
262 		.type		= MT_DEVICE,
263 	},
264 };
265 #endif
266 
267 #ifdef CONFIG_SOC_DRA7XX
268 static struct map_desc dra7xx_io_desc[] __initdata = {
269 	{
270 		.virtual	= L4_CFG_MPU_DRA7XX_VIRT,
271 		.pfn		= __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
272 		.length		= L4_CFG_MPU_DRA7XX_SIZE,
273 		.type		= MT_DEVICE,
274 	},
275 	{
276 		.virtual	= L3_MAIN_SN_DRA7XX_VIRT,
277 		.pfn		= __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
278 		.length		= L3_MAIN_SN_DRA7XX_SIZE,
279 		.type		= MT_DEVICE,
280 	},
281 	{
282 		.virtual	= L4_PER1_DRA7XX_VIRT,
283 		.pfn		= __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
284 		.length		= L4_PER1_DRA7XX_SIZE,
285 		.type		= MT_DEVICE,
286 	},
287 	{
288 		.virtual	= L4_PER2_DRA7XX_VIRT,
289 		.pfn		= __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
290 		.length		= L4_PER2_DRA7XX_SIZE,
291 		.type		= MT_DEVICE,
292 	},
293 	{
294 		.virtual	= L4_PER3_DRA7XX_VIRT,
295 		.pfn		= __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
296 		.length		= L4_PER3_DRA7XX_SIZE,
297 		.type		= MT_DEVICE,
298 	},
299 	{
300 		.virtual	= L4_CFG_DRA7XX_VIRT,
301 		.pfn		= __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
302 		.length		= L4_CFG_DRA7XX_SIZE,
303 		.type		= MT_DEVICE,
304 	},
305 	{
306 		.virtual	= L4_WKUP_DRA7XX_VIRT,
307 		.pfn		= __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
308 		.length		= L4_WKUP_DRA7XX_SIZE,
309 		.type		= MT_DEVICE,
310 	},
311 };
312 #endif
313 
314 #ifdef CONFIG_SOC_OMAP2420
315 void __init omap242x_map_io(void)
316 {
317 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
318 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
319 }
320 #endif
321 
322 #ifdef CONFIG_SOC_OMAP2430
323 void __init omap243x_map_io(void)
324 {
325 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
326 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
327 }
328 #endif
329 
330 #ifdef CONFIG_ARCH_OMAP3
331 void __init omap3_map_io(void)
332 {
333 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
334 }
335 #endif
336 
337 #ifdef CONFIG_SOC_TI81XX
338 void __init ti81xx_map_io(void)
339 {
340 	iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
341 }
342 #endif
343 
344 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
345 void __init am33xx_map_io(void)
346 {
347 	iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
348 }
349 #endif
350 
351 #ifdef CONFIG_ARCH_OMAP4
352 void __init omap4_map_io(void)
353 {
354 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
355 	omap_barriers_init();
356 }
357 #endif
358 
359 #ifdef CONFIG_SOC_OMAP5
360 void __init omap5_map_io(void)
361 {
362 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
363 	omap_barriers_init();
364 }
365 #endif
366 
367 #ifdef CONFIG_SOC_DRA7XX
368 void __init dra7xx_map_io(void)
369 {
370 	iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
371 	omap_barriers_init();
372 }
373 #endif
374 /*
375  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
376  *
377  * Sets the CORE DPLL3 M2 divider to the same value that it's at
378  * currently.  This has the effect of setting the SDRC SDRAM AC timing
379  * registers to the values currently defined by the kernel.  Currently
380  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
381  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
382  * or passes along the return value of clk_set_rate().
383  */
384 static int __init _omap2_init_reprogram_sdrc(void)
385 {
386 	struct clk *dpll3_m2_ck;
387 	int v = -EINVAL;
388 	long rate;
389 
390 	if (!cpu_is_omap34xx())
391 		return 0;
392 
393 	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
394 	if (IS_ERR(dpll3_m2_ck))
395 		return -EINVAL;
396 
397 	rate = clk_get_rate(dpll3_m2_ck);
398 	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
399 	v = clk_set_rate(dpll3_m2_ck, rate);
400 	if (v)
401 		pr_err("dpll3_m2_clk rate change failed: %d\n", v);
402 
403 	clk_put(dpll3_m2_ck);
404 
405 	return v;
406 }
407 
408 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
409 {
410 	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
411 }
412 
413 static void __init __maybe_unused omap_hwmod_init_postsetup(void)
414 {
415 	u8 postsetup_state;
416 
417 	/* Set the default postsetup state for all hwmods */
418 #ifdef CONFIG_PM
419 	postsetup_state = _HWMOD_STATE_IDLE;
420 #else
421 	postsetup_state = _HWMOD_STATE_ENABLED;
422 #endif
423 	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
424 
425 	omap_pm_if_early_init();
426 }
427 
428 static void __init __maybe_unused omap_common_late_init(void)
429 {
430 	omap2_common_pm_late_init();
431 }
432 
433 #ifdef CONFIG_SOC_OMAP2420
434 void __init omap2420_init_early(void)
435 {
436 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
437 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
438 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
439 	omap2_control_base_init();
440 	omap2xxx_check_revision();
441 	omap2_prcm_base_init();
442 	omap2xxx_voltagedomains_init();
443 	omap242x_powerdomains_init();
444 	omap242x_clockdomains_init();
445 	omap2420_hwmod_init();
446 	omap_hwmod_init_postsetup();
447 	omap_clk_soc_init = omap2420_dt_clk_init;
448 	rate_table = omap2420_rate_table;
449 }
450 
451 void __init omap2420_init_late(void)
452 {
453 	omap_common_late_init();
454 	omap2_pm_init();
455 	omap2_clk_enable_autoidle_all();
456 }
457 #endif
458 
459 #ifdef CONFIG_SOC_OMAP2430
460 void __init omap2430_init_early(void)
461 {
462 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
463 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
464 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
465 	omap2_control_base_init();
466 	omap2xxx_check_revision();
467 	omap2_prcm_base_init();
468 	omap2xxx_voltagedomains_init();
469 	omap243x_powerdomains_init();
470 	omap243x_clockdomains_init();
471 	omap2430_hwmod_init();
472 	omap_hwmod_init_postsetup();
473 	omap_clk_soc_init = omap2430_dt_clk_init;
474 	rate_table = omap2430_rate_table;
475 }
476 
477 void __init omap2430_init_late(void)
478 {
479 	omap_common_late_init();
480 	omap2_pm_init();
481 	omap2_clk_enable_autoidle_all();
482 }
483 #endif
484 
485 /*
486  * Currently only board-omap3beagle.c should call this because of the
487  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
488  */
489 #ifdef CONFIG_ARCH_OMAP3
490 void __init omap3_init_early(void)
491 {
492 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
493 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
494 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
495 	omap2_control_base_init();
496 	omap3xxx_check_revision();
497 	omap3xxx_check_features();
498 	omap2_prcm_base_init();
499 	omap3xxx_voltagedomains_init();
500 	omap3xxx_powerdomains_init();
501 	omap3xxx_clockdomains_init();
502 	omap3xxx_hwmod_init();
503 	omap_hwmod_init_postsetup();
504 }
505 
506 void __init omap3430_init_early(void)
507 {
508 	omap3_init_early();
509 	omap_clk_soc_init = omap3430_dt_clk_init;
510 }
511 
512 void __init omap35xx_init_early(void)
513 {
514 	omap3_init_early();
515 	omap_clk_soc_init = omap3430_dt_clk_init;
516 }
517 
518 void __init omap3630_init_early(void)
519 {
520 	omap3_init_early();
521 	omap_clk_soc_init = omap3630_dt_clk_init;
522 }
523 
524 void __init am35xx_init_early(void)
525 {
526 	omap3_init_early();
527 	omap_clk_soc_init = am35xx_dt_clk_init;
528 }
529 
530 void __init omap3_init_late(void)
531 {
532 	omap_common_late_init();
533 	omap3_pm_init();
534 	omap2_clk_enable_autoidle_all();
535 }
536 
537 void __init omap3430_init_late(void)
538 {
539 	omap_common_late_init();
540 	omap3_pm_init();
541 	omap2_clk_enable_autoidle_all();
542 }
543 
544 void __init omap35xx_init_late(void)
545 {
546 	omap_common_late_init();
547 	omap3_pm_init();
548 	omap2_clk_enable_autoidle_all();
549 }
550 
551 void __init omap3630_init_late(void)
552 {
553 	omap_common_late_init();
554 	omap3_pm_init();
555 	omap2_clk_enable_autoidle_all();
556 }
557 
558 void __init am35xx_init_late(void)
559 {
560 	omap_common_late_init();
561 	omap3_pm_init();
562 	omap2_clk_enable_autoidle_all();
563 }
564 
565 void __init ti81xx_init_late(void)
566 {
567 	omap_common_late_init();
568 	omap2_clk_enable_autoidle_all();
569 }
570 #endif
571 
572 #ifdef CONFIG_SOC_TI81XX
573 void __init ti814x_init_early(void)
574 {
575 	omap2_set_globals_tap(TI814X_CLASS,
576 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
577 	omap2_control_base_init();
578 	omap3xxx_check_revision();
579 	ti81xx_check_features();
580 	omap2_prcm_base_init();
581 	omap3xxx_voltagedomains_init();
582 	omap3xxx_powerdomains_init();
583 	ti814x_clockdomains_init();
584 	dm814x_hwmod_init();
585 	omap_hwmod_init_postsetup();
586 	omap_clk_soc_init = dm814x_dt_clk_init;
587 }
588 
589 void __init ti816x_init_early(void)
590 {
591 	omap2_set_globals_tap(TI816X_CLASS,
592 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
593 	omap2_control_base_init();
594 	omap3xxx_check_revision();
595 	ti81xx_check_features();
596 	omap2_prcm_base_init();
597 	omap3xxx_voltagedomains_init();
598 	omap3xxx_powerdomains_init();
599 	ti816x_clockdomains_init();
600 	dm816x_hwmod_init();
601 	omap_hwmod_init_postsetup();
602 	omap_clk_soc_init = dm816x_dt_clk_init;
603 }
604 #endif
605 
606 #ifdef CONFIG_SOC_AM33XX
607 void __init am33xx_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 	am33xx_powerdomains_init();
616 	am33xx_clockdomains_init();
617 	am33xx_hwmod_init();
618 	omap_hwmod_init_postsetup();
619 	omap_clk_soc_init = am33xx_dt_clk_init;
620 }
621 
622 void __init am33xx_init_late(void)
623 {
624 	omap_common_late_init();
625 	amx3_common_pm_init();
626 }
627 #endif
628 
629 #ifdef CONFIG_SOC_AM43XX
630 void __init am43xx_init_early(void)
631 {
632 	omap2_set_globals_tap(AM335X_CLASS,
633 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
634 	omap2_control_base_init();
635 	omap3xxx_check_revision();
636 	am33xx_check_features();
637 	omap2_prcm_base_init();
638 	am43xx_powerdomains_init();
639 	am43xx_clockdomains_init();
640 	am43xx_hwmod_init();
641 	omap_hwmod_init_postsetup();
642 	omap_l2_cache_init();
643 	omap_clk_soc_init = am43xx_dt_clk_init;
644 }
645 
646 void __init am43xx_init_late(void)
647 {
648 	omap_common_late_init();
649 	omap2_clk_enable_autoidle_all();
650 	amx3_common_pm_init();
651 }
652 #endif
653 
654 #ifdef CONFIG_ARCH_OMAP4
655 void __init omap4430_init_early(void)
656 {
657 	omap2_set_globals_tap(OMAP443X_CLASS,
658 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
659 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
660 	omap2_control_base_init();
661 	omap4xxx_check_revision();
662 	omap4xxx_check_features();
663 	omap2_prcm_base_init();
664 	omap4_sar_ram_init();
665 	omap4_mpuss_early_init();
666 	omap4_pm_init_early();
667 	omap44xx_voltagedomains_init();
668 	omap44xx_powerdomains_init();
669 	omap44xx_clockdomains_init();
670 	omap44xx_hwmod_init();
671 	omap_hwmod_init_postsetup();
672 	omap_l2_cache_init();
673 	omap_clk_soc_init = omap4xxx_dt_clk_init;
674 }
675 
676 void __init omap4430_init_late(void)
677 {
678 	omap_common_late_init();
679 	omap4_pm_init();
680 	omap2_clk_enable_autoidle_all();
681 }
682 #endif
683 
684 #ifdef CONFIG_SOC_OMAP5
685 void __init omap5_init_early(void)
686 {
687 	omap2_set_globals_tap(OMAP54XX_CLASS,
688 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
689 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
690 	omap2_control_base_init();
691 	omap2_prcm_base_init();
692 	omap5xxx_check_revision();
693 	omap4_sar_ram_init();
694 	omap4_mpuss_early_init();
695 	omap4_pm_init_early();
696 	omap54xx_voltagedomains_init();
697 	omap54xx_powerdomains_init();
698 	omap54xx_clockdomains_init();
699 	omap54xx_hwmod_init();
700 	omap_hwmod_init_postsetup();
701 	omap_clk_soc_init = omap5xxx_dt_clk_init;
702 }
703 
704 void __init omap5_init_late(void)
705 {
706 	omap_common_late_init();
707 	omap4_pm_init();
708 	omap2_clk_enable_autoidle_all();
709 }
710 #endif
711 
712 #ifdef CONFIG_SOC_DRA7XX
713 void __init dra7xx_init_early(void)
714 {
715 	omap2_set_globals_tap(DRA7XX_CLASS,
716 			      OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
717 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
718 	omap2_control_base_init();
719 	omap4_pm_init_early();
720 	omap2_prcm_base_init();
721 	dra7xxx_check_revision();
722 	dra7xx_powerdomains_init();
723 	dra7xx_clockdomains_init();
724 	dra7xx_hwmod_init();
725 	omap_hwmod_init_postsetup();
726 	omap_clk_soc_init = dra7xx_dt_clk_init;
727 }
728 
729 void __init dra7xx_init_late(void)
730 {
731 	omap_common_late_init();
732 	omap4_pm_init();
733 	omap2_clk_enable_autoidle_all();
734 }
735 #endif
736 
737 
738 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
739 				      struct omap_sdrc_params *sdrc_cs1)
740 {
741 	omap_sram_init();
742 
743 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
744 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
745 		_omap2_init_reprogram_sdrc();
746 	}
747 }
748 
749 int __init omap_clk_init(void)
750 {
751 	int ret = 0;
752 
753 	if (!omap_clk_soc_init)
754 		return 0;
755 
756 	ti_clk_init_features();
757 
758 	omap2_clk_setup_ll_ops();
759 
760 	ret = omap_control_init();
761 	if (ret)
762 		return ret;
763 
764 	ret = omap_prcm_init();
765 	if (ret)
766 		return ret;
767 
768 	of_clk_init(NULL);
769 
770 	ti_dt_clk_init_retry_clks();
771 
772 	ti_dt_clockdomains_setup();
773 
774 	ret = omap_clk_soc_init();
775 
776 	return ret;
777 }
778