xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision 5d0e4d78)
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 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 	omap_soc_device_init();
432 }
433 
434 #ifdef CONFIG_SOC_OMAP2420
435 void __init omap2420_init_early(void)
436 {
437 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
438 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
439 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
440 	omap2_control_base_init();
441 	omap2xxx_check_revision();
442 	omap2_prcm_base_init();
443 	omap2xxx_voltagedomains_init();
444 	omap242x_powerdomains_init();
445 	omap242x_clockdomains_init();
446 	omap2420_hwmod_init();
447 	omap_hwmod_init_postsetup();
448 	omap_clk_soc_init = omap2420_dt_clk_init;
449 	rate_table = omap2420_rate_table;
450 }
451 
452 void __init omap2420_init_late(void)
453 {
454 	omap_common_late_init();
455 	omap2_pm_init();
456 	omap2_clk_enable_autoidle_all();
457 }
458 #endif
459 
460 #ifdef CONFIG_SOC_OMAP2430
461 void __init omap2430_init_early(void)
462 {
463 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
464 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
465 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
466 	omap2_control_base_init();
467 	omap2xxx_check_revision();
468 	omap2_prcm_base_init();
469 	omap2xxx_voltagedomains_init();
470 	omap243x_powerdomains_init();
471 	omap243x_clockdomains_init();
472 	omap2430_hwmod_init();
473 	omap_hwmod_init_postsetup();
474 	omap_clk_soc_init = omap2430_dt_clk_init;
475 	rate_table = omap2430_rate_table;
476 }
477 
478 void __init omap2430_init_late(void)
479 {
480 	omap_common_late_init();
481 	omap2_pm_init();
482 	omap2_clk_enable_autoidle_all();
483 }
484 #endif
485 
486 /*
487  * Currently only board-omap3beagle.c should call this because of the
488  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
489  */
490 #ifdef CONFIG_ARCH_OMAP3
491 void __init omap3_init_early(void)
492 {
493 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
494 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
495 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
496 	omap2_control_base_init();
497 	omap3xxx_check_revision();
498 	omap3xxx_check_features();
499 	omap2_prcm_base_init();
500 	omap3xxx_voltagedomains_init();
501 	omap3xxx_powerdomains_init();
502 	omap3xxx_clockdomains_init();
503 	omap3xxx_hwmod_init();
504 	omap_hwmod_init_postsetup();
505 }
506 
507 void __init omap3430_init_early(void)
508 {
509 	omap3_init_early();
510 	omap_clk_soc_init = omap3430_dt_clk_init;
511 }
512 
513 void __init omap35xx_init_early(void)
514 {
515 	omap3_init_early();
516 	omap_clk_soc_init = omap3430_dt_clk_init;
517 }
518 
519 void __init omap3630_init_early(void)
520 {
521 	omap3_init_early();
522 	omap_clk_soc_init = omap3630_dt_clk_init;
523 }
524 
525 void __init am35xx_init_early(void)
526 {
527 	omap3_init_early();
528 	omap_clk_soc_init = am35xx_dt_clk_init;
529 }
530 
531 void __init omap3_init_late(void)
532 {
533 	omap_common_late_init();
534 	omap3_pm_init();
535 	omap2_clk_enable_autoidle_all();
536 }
537 
538 void __init omap3430_init_late(void)
539 {
540 	omap_common_late_init();
541 	omap3_pm_init();
542 	omap2_clk_enable_autoidle_all();
543 }
544 
545 void __init omap35xx_init_late(void)
546 {
547 	omap_common_late_init();
548 	omap3_pm_init();
549 	omap2_clk_enable_autoidle_all();
550 }
551 
552 void __init omap3630_init_late(void)
553 {
554 	omap_common_late_init();
555 	omap3_pm_init();
556 	omap2_clk_enable_autoidle_all();
557 }
558 
559 void __init am35xx_init_late(void)
560 {
561 	omap_common_late_init();
562 	omap3_pm_init();
563 	omap2_clk_enable_autoidle_all();
564 }
565 
566 void __init ti81xx_init_late(void)
567 {
568 	omap_common_late_init();
569 	omap2_clk_enable_autoidle_all();
570 }
571 #endif
572 
573 #ifdef CONFIG_SOC_TI81XX
574 void __init ti814x_init_early(void)
575 {
576 	omap2_set_globals_tap(TI814X_CLASS,
577 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
578 	omap2_control_base_init();
579 	omap3xxx_check_revision();
580 	ti81xx_check_features();
581 	omap2_prcm_base_init();
582 	omap3xxx_voltagedomains_init();
583 	omap3xxx_powerdomains_init();
584 	ti814x_clockdomains_init();
585 	dm814x_hwmod_init();
586 	omap_hwmod_init_postsetup();
587 	omap_clk_soc_init = dm814x_dt_clk_init;
588 }
589 
590 void __init ti816x_init_early(void)
591 {
592 	omap2_set_globals_tap(TI816X_CLASS,
593 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
594 	omap2_control_base_init();
595 	omap3xxx_check_revision();
596 	ti81xx_check_features();
597 	omap2_prcm_base_init();
598 	omap3xxx_voltagedomains_init();
599 	omap3xxx_powerdomains_init();
600 	ti816x_clockdomains_init();
601 	dm816x_hwmod_init();
602 	omap_hwmod_init_postsetup();
603 	omap_clk_soc_init = dm816x_dt_clk_init;
604 }
605 #endif
606 
607 #ifdef CONFIG_SOC_AM33XX
608 void __init am33xx_init_early(void)
609 {
610 	omap2_set_globals_tap(AM335X_CLASS,
611 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
612 	omap2_control_base_init();
613 	omap3xxx_check_revision();
614 	am33xx_check_features();
615 	omap2_prcm_base_init();
616 	am33xx_powerdomains_init();
617 	am33xx_clockdomains_init();
618 	am33xx_hwmod_init();
619 	omap_hwmod_init_postsetup();
620 	omap_clk_soc_init = am33xx_dt_clk_init;
621 }
622 
623 void __init am33xx_init_late(void)
624 {
625 	omap_common_late_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 }
651 #endif
652 
653 #ifdef CONFIG_ARCH_OMAP4
654 void __init omap4430_init_early(void)
655 {
656 	omap2_set_globals_tap(OMAP443X_CLASS,
657 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
658 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
659 	omap2_control_base_init();
660 	omap4xxx_check_revision();
661 	omap4xxx_check_features();
662 	omap2_prcm_base_init();
663 	omap4_sar_ram_init();
664 	omap4_mpuss_early_init();
665 	omap4_pm_init_early();
666 	omap44xx_voltagedomains_init();
667 	omap44xx_powerdomains_init();
668 	omap44xx_clockdomains_init();
669 	omap44xx_hwmod_init();
670 	omap_hwmod_init_postsetup();
671 	omap_l2_cache_init();
672 	omap_clk_soc_init = omap4xxx_dt_clk_init;
673 }
674 
675 void __init omap4430_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_OMAP5
684 void __init omap5_init_early(void)
685 {
686 	omap2_set_globals_tap(OMAP54XX_CLASS,
687 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
688 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
689 	omap2_control_base_init();
690 	omap2_prcm_base_init();
691 	omap5xxx_check_revision();
692 	omap4_sar_ram_init();
693 	omap4_mpuss_early_init();
694 	omap4_pm_init_early();
695 	omap54xx_voltagedomains_init();
696 	omap54xx_powerdomains_init();
697 	omap54xx_clockdomains_init();
698 	omap54xx_hwmod_init();
699 	omap_hwmod_init_postsetup();
700 	omap_clk_soc_init = omap5xxx_dt_clk_init;
701 }
702 
703 void __init omap5_init_late(void)
704 {
705 	omap_common_late_init();
706 	omap4_pm_init();
707 	omap2_clk_enable_autoidle_all();
708 }
709 #endif
710 
711 #ifdef CONFIG_SOC_DRA7XX
712 void __init dra7xx_init_early(void)
713 {
714 	omap2_set_globals_tap(DRA7XX_CLASS,
715 			      OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
716 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
717 	omap2_control_base_init();
718 	omap4_pm_init_early();
719 	omap2_prcm_base_init();
720 	dra7xxx_check_revision();
721 	dra7xx_powerdomains_init();
722 	dra7xx_clockdomains_init();
723 	dra7xx_hwmod_init();
724 	omap_hwmod_init_postsetup();
725 	omap_clk_soc_init = dra7xx_dt_clk_init;
726 }
727 
728 void __init dra7xx_init_late(void)
729 {
730 	omap_common_late_init();
731 	omap4_pm_init();
732 	omap2_clk_enable_autoidle_all();
733 }
734 #endif
735 
736 
737 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
738 				      struct omap_sdrc_params *sdrc_cs1)
739 {
740 	omap_sram_init();
741 
742 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
743 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
744 		_omap2_init_reprogram_sdrc();
745 	}
746 }
747 
748 int __init omap_clk_init(void)
749 {
750 	int ret = 0;
751 
752 	if (!omap_clk_soc_init)
753 		return 0;
754 
755 	ti_clk_init_features();
756 
757 	omap2_clk_setup_ll_ops();
758 
759 	ret = omap_control_init();
760 	if (ret)
761 		return ret;
762 
763 	ret = omap_prcm_init();
764 	if (ret)
765 		return ret;
766 
767 	of_clk_init(NULL);
768 
769 	ti_dt_clk_init_retry_clks();
770 
771 	ti_dt_clockdomains_setup();
772 
773 	ret = omap_clk_soc_init();
774 
775 	return ret;
776 }
777