xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision 588b48ca)
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 "prm.h"
49 #include "cm.h"
50 #include "prcm_mpu44xx.h"
51 #include "prminst44xx.h"
52 #include "cminst44xx.h"
53 #include "prm2xxx.h"
54 #include "prm3xxx.h"
55 #include "prm44xx.h"
56 #include "opp2xxx.h"
57 
58 /*
59  * omap_clk_soc_init: points to a function that does the SoC-specific
60  * clock initializations
61  */
62 static int (*omap_clk_soc_init)(void);
63 
64 /*
65  * The machine specific code may provide the extra mapping besides the
66  * default mapping provided here.
67  */
68 
69 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
70 static struct map_desc omap24xx_io_desc[] __initdata = {
71 	{
72 		.virtual	= L3_24XX_VIRT,
73 		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
74 		.length		= L3_24XX_SIZE,
75 		.type		= MT_DEVICE
76 	},
77 	{
78 		.virtual	= L4_24XX_VIRT,
79 		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
80 		.length		= L4_24XX_SIZE,
81 		.type		= MT_DEVICE
82 	},
83 };
84 
85 #ifdef CONFIG_SOC_OMAP2420
86 static struct map_desc omap242x_io_desc[] __initdata = {
87 	{
88 		.virtual	= DSP_MEM_2420_VIRT,
89 		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
90 		.length		= DSP_MEM_2420_SIZE,
91 		.type		= MT_DEVICE
92 	},
93 	{
94 		.virtual	= DSP_IPI_2420_VIRT,
95 		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
96 		.length		= DSP_IPI_2420_SIZE,
97 		.type		= MT_DEVICE
98 	},
99 	{
100 		.virtual	= DSP_MMU_2420_VIRT,
101 		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
102 		.length		= DSP_MMU_2420_SIZE,
103 		.type		= MT_DEVICE
104 	},
105 };
106 
107 #endif
108 
109 #ifdef CONFIG_SOC_OMAP2430
110 static struct map_desc omap243x_io_desc[] __initdata = {
111 	{
112 		.virtual	= L4_WK_243X_VIRT,
113 		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
114 		.length		= L4_WK_243X_SIZE,
115 		.type		= MT_DEVICE
116 	},
117 	{
118 		.virtual	= OMAP243X_GPMC_VIRT,
119 		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
120 		.length		= OMAP243X_GPMC_SIZE,
121 		.type		= MT_DEVICE
122 	},
123 	{
124 		.virtual	= OMAP243X_SDRC_VIRT,
125 		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
126 		.length		= OMAP243X_SDRC_SIZE,
127 		.type		= MT_DEVICE
128 	},
129 	{
130 		.virtual	= OMAP243X_SMS_VIRT,
131 		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
132 		.length		= OMAP243X_SMS_SIZE,
133 		.type		= MT_DEVICE
134 	},
135 };
136 #endif
137 #endif
138 
139 #ifdef	CONFIG_ARCH_OMAP3
140 static struct map_desc omap34xx_io_desc[] __initdata = {
141 	{
142 		.virtual	= L3_34XX_VIRT,
143 		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
144 		.length		= L3_34XX_SIZE,
145 		.type		= MT_DEVICE
146 	},
147 	{
148 		.virtual	= L4_34XX_VIRT,
149 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
150 		.length		= L4_34XX_SIZE,
151 		.type		= MT_DEVICE
152 	},
153 	{
154 		.virtual	= OMAP34XX_GPMC_VIRT,
155 		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
156 		.length		= OMAP34XX_GPMC_SIZE,
157 		.type		= MT_DEVICE
158 	},
159 	{
160 		.virtual	= OMAP343X_SMS_VIRT,
161 		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
162 		.length		= OMAP343X_SMS_SIZE,
163 		.type		= MT_DEVICE
164 	},
165 	{
166 		.virtual	= OMAP343X_SDRC_VIRT,
167 		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
168 		.length		= OMAP343X_SDRC_SIZE,
169 		.type		= MT_DEVICE
170 	},
171 	{
172 		.virtual	= L4_PER_34XX_VIRT,
173 		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
174 		.length		= L4_PER_34XX_SIZE,
175 		.type		= MT_DEVICE
176 	},
177 	{
178 		.virtual	= L4_EMU_34XX_VIRT,
179 		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
180 		.length		= L4_EMU_34XX_SIZE,
181 		.type		= MT_DEVICE
182 	},
183 };
184 #endif
185 
186 #ifdef CONFIG_SOC_TI81XX
187 static struct map_desc omapti81xx_io_desc[] __initdata = {
188 	{
189 		.virtual	= L4_34XX_VIRT,
190 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
191 		.length		= L4_34XX_SIZE,
192 		.type		= MT_DEVICE
193 	}
194 };
195 #endif
196 
197 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
198 static struct map_desc omapam33xx_io_desc[] __initdata = {
199 	{
200 		.virtual	= L4_34XX_VIRT,
201 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
202 		.length		= L4_34XX_SIZE,
203 		.type		= MT_DEVICE
204 	},
205 	{
206 		.virtual	= L4_WK_AM33XX_VIRT,
207 		.pfn		= __phys_to_pfn(L4_WK_AM33XX_PHYS),
208 		.length		= L4_WK_AM33XX_SIZE,
209 		.type		= MT_DEVICE
210 	}
211 };
212 #endif
213 
214 #ifdef	CONFIG_ARCH_OMAP4
215 static struct map_desc omap44xx_io_desc[] __initdata = {
216 	{
217 		.virtual	= L3_44XX_VIRT,
218 		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
219 		.length		= L3_44XX_SIZE,
220 		.type		= MT_DEVICE,
221 	},
222 	{
223 		.virtual	= L4_44XX_VIRT,
224 		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
225 		.length		= L4_44XX_SIZE,
226 		.type		= MT_DEVICE,
227 	},
228 	{
229 		.virtual	= L4_PER_44XX_VIRT,
230 		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
231 		.length		= L4_PER_44XX_SIZE,
232 		.type		= MT_DEVICE,
233 	},
234 #ifdef CONFIG_OMAP4_ERRATA_I688
235 	{
236 		.virtual	= OMAP4_SRAM_VA,
237 		.pfn		= __phys_to_pfn(OMAP4_SRAM_PA),
238 		.length		= PAGE_SIZE,
239 		.type		= MT_MEMORY_RW_SO,
240 	},
241 #endif
242 
243 };
244 #endif
245 
246 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
247 static struct map_desc omap54xx_io_desc[] __initdata = {
248 	{
249 		.virtual	= L3_54XX_VIRT,
250 		.pfn		= __phys_to_pfn(L3_54XX_PHYS),
251 		.length		= L3_54XX_SIZE,
252 		.type		= MT_DEVICE,
253 	},
254 	{
255 		.virtual	= L4_54XX_VIRT,
256 		.pfn		= __phys_to_pfn(L4_54XX_PHYS),
257 		.length		= L4_54XX_SIZE,
258 		.type		= MT_DEVICE,
259 	},
260 	{
261 		.virtual	= L4_WK_54XX_VIRT,
262 		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),
263 		.length		= L4_WK_54XX_SIZE,
264 		.type		= MT_DEVICE,
265 	},
266 	{
267 		.virtual	= L4_PER_54XX_VIRT,
268 		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),
269 		.length		= L4_PER_54XX_SIZE,
270 		.type		= MT_DEVICE,
271 	},
272 #ifdef CONFIG_OMAP4_ERRATA_I688
273 	{
274 		.virtual	= OMAP4_SRAM_VA,
275 		.pfn		= __phys_to_pfn(OMAP4_SRAM_PA),
276 		.length		= PAGE_SIZE,
277 		.type		= MT_MEMORY_RW_SO,
278 	},
279 #endif
280 };
281 #endif
282 
283 #ifdef CONFIG_SOC_OMAP2420
284 void __init omap242x_map_io(void)
285 {
286 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
287 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
288 }
289 #endif
290 
291 #ifdef CONFIG_SOC_OMAP2430
292 void __init omap243x_map_io(void)
293 {
294 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
295 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
296 }
297 #endif
298 
299 #ifdef CONFIG_ARCH_OMAP3
300 void __init omap3_map_io(void)
301 {
302 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
303 }
304 #endif
305 
306 #ifdef CONFIG_SOC_TI81XX
307 void __init ti81xx_map_io(void)
308 {
309 	iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
310 }
311 #endif
312 
313 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
314 void __init am33xx_map_io(void)
315 {
316 	iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
317 }
318 #endif
319 
320 #ifdef CONFIG_ARCH_OMAP4
321 void __init omap4_map_io(void)
322 {
323 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
324 	omap_barriers_init();
325 }
326 #endif
327 
328 #if defined(CONFIG_SOC_OMAP5) ||  defined(CONFIG_SOC_DRA7XX)
329 void __init omap5_map_io(void)
330 {
331 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
332 	omap_barriers_init();
333 }
334 #endif
335 /*
336  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
337  *
338  * Sets the CORE DPLL3 M2 divider to the same value that it's at
339  * currently.  This has the effect of setting the SDRC SDRAM AC timing
340  * registers to the values currently defined by the kernel.  Currently
341  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
342  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
343  * or passes along the return value of clk_set_rate().
344  */
345 static int __init _omap2_init_reprogram_sdrc(void)
346 {
347 	struct clk *dpll3_m2_ck;
348 	int v = -EINVAL;
349 	long rate;
350 
351 	if (!cpu_is_omap34xx())
352 		return 0;
353 
354 	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
355 	if (IS_ERR(dpll3_m2_ck))
356 		return -EINVAL;
357 
358 	rate = clk_get_rate(dpll3_m2_ck);
359 	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
360 	v = clk_set_rate(dpll3_m2_ck, rate);
361 	if (v)
362 		pr_err("dpll3_m2_clk rate change failed: %d\n", v);
363 
364 	clk_put(dpll3_m2_ck);
365 
366 	return v;
367 }
368 
369 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
370 {
371 	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
372 }
373 
374 static void __init omap_hwmod_init_postsetup(void)
375 {
376 	u8 postsetup_state;
377 
378 	/* Set the default postsetup state for all hwmods */
379 #ifdef CONFIG_PM_RUNTIME
380 	postsetup_state = _HWMOD_STATE_IDLE;
381 #else
382 	postsetup_state = _HWMOD_STATE_ENABLED;
383 #endif
384 	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
385 
386 	omap_pm_if_early_init();
387 }
388 
389 static void __init __maybe_unused omap_common_late_init(void)
390 {
391 	omap_mux_late_init();
392 	omap2_common_pm_late_init();
393 	omap_soc_device_init();
394 }
395 
396 #ifdef CONFIG_SOC_OMAP2420
397 void __init omap2420_init_early(void)
398 {
399 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
400 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
401 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
402 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
403 				  NULL);
404 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE));
405 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), NULL);
406 	omap2xxx_check_revision();
407 	omap2xxx_prm_init();
408 	omap2xxx_cm_init();
409 	omap2xxx_voltagedomains_init();
410 	omap242x_powerdomains_init();
411 	omap242x_clockdomains_init();
412 	omap2420_hwmod_init();
413 	omap_hwmod_init_postsetup();
414 	omap_clk_soc_init = omap2420_dt_clk_init;
415 	rate_table = omap2420_rate_table;
416 }
417 
418 void __init omap2420_init_late(void)
419 {
420 	omap_common_late_init();
421 	omap2_pm_init();
422 	omap2_clk_enable_autoidle_all();
423 }
424 #endif
425 
426 #ifdef CONFIG_SOC_OMAP2430
427 void __init omap2430_init_early(void)
428 {
429 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
430 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
431 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
432 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
433 				  NULL);
434 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE));
435 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), NULL);
436 	omap2xxx_check_revision();
437 	omap2xxx_prm_init();
438 	omap2xxx_cm_init();
439 	omap2xxx_voltagedomains_init();
440 	omap243x_powerdomains_init();
441 	omap243x_clockdomains_init();
442 	omap2430_hwmod_init();
443 	omap_hwmod_init_postsetup();
444 	omap_clk_soc_init = omap2430_dt_clk_init;
445 	rate_table = omap2430_rate_table;
446 }
447 
448 void __init omap2430_init_late(void)
449 {
450 	omap_common_late_init();
451 	omap2_pm_init();
452 	omap2_clk_enable_autoidle_all();
453 }
454 #endif
455 
456 /*
457  * Currently only board-omap3beagle.c should call this because of the
458  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
459  */
460 #ifdef CONFIG_ARCH_OMAP3
461 void __init omap3_init_early(void)
462 {
463 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
464 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
465 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
466 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
467 				  NULL);
468 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
469 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), NULL);
470 	omap3xxx_check_revision();
471 	omap3xxx_check_features();
472 	omap3xxx_prm_init();
473 	omap3xxx_cm_init();
474 	omap3xxx_voltagedomains_init();
475 	omap3xxx_powerdomains_init();
476 	omap3xxx_clockdomains_init();
477 	omap3xxx_hwmod_init();
478 	omap_hwmod_init_postsetup();
479 	omap_clk_soc_init = omap3xxx_clk_init;
480 }
481 
482 void __init omap3430_init_early(void)
483 {
484 	omap3_init_early();
485 	if (of_have_populated_dt())
486 		omap_clk_soc_init = omap3430_dt_clk_init;
487 }
488 
489 void __init omap35xx_init_early(void)
490 {
491 	omap3_init_early();
492 	if (of_have_populated_dt())
493 		omap_clk_soc_init = omap3430_dt_clk_init;
494 }
495 
496 void __init omap3630_init_early(void)
497 {
498 	omap3_init_early();
499 	if (of_have_populated_dt())
500 		omap_clk_soc_init = omap3630_dt_clk_init;
501 }
502 
503 void __init am35xx_init_early(void)
504 {
505 	omap3_init_early();
506 	if (of_have_populated_dt())
507 		omap_clk_soc_init = am35xx_dt_clk_init;
508 }
509 
510 void __init ti81xx_init_early(void)
511 {
512 	omap2_set_globals_tap(OMAP343X_CLASS,
513 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
514 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
515 				  NULL);
516 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
517 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
518 	omap3xxx_check_revision();
519 	ti81xx_check_features();
520 	omap3xxx_voltagedomains_init();
521 	omap3xxx_powerdomains_init();
522 	omap3xxx_clockdomains_init();
523 	omap3xxx_hwmod_init();
524 	omap_hwmod_init_postsetup();
525 	if (of_have_populated_dt())
526 		omap_clk_soc_init = ti81xx_dt_clk_init;
527 	else
528 		omap_clk_soc_init = omap3xxx_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 	omap3_pm_init();
570 	omap2_clk_enable_autoidle_all();
571 }
572 #endif
573 
574 #ifdef CONFIG_SOC_AM33XX
575 void __init am33xx_init_early(void)
576 {
577 	omap2_set_globals_tap(AM335X_CLASS,
578 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
579 	omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
580 				  NULL);
581 	omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
582 	omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
583 	omap3xxx_check_revision();
584 	am33xx_check_features();
585 	am33xx_powerdomains_init();
586 	am33xx_clockdomains_init();
587 	am33xx_hwmod_init();
588 	omap_hwmod_init_postsetup();
589 	omap_clk_soc_init = am33xx_dt_clk_init;
590 }
591 
592 void __init am33xx_init_late(void)
593 {
594 	omap_common_late_init();
595 }
596 #endif
597 
598 #ifdef CONFIG_SOC_AM43XX
599 void __init am43xx_init_early(void)
600 {
601 	omap2_set_globals_tap(AM335X_CLASS,
602 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
603 	omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
604 				  NULL);
605 	omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE));
606 	omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE), NULL);
607 	omap_prm_base_init();
608 	omap_cm_base_init();
609 	omap3xxx_check_revision();
610 	am33xx_check_features();
611 	am43xx_powerdomains_init();
612 	am43xx_clockdomains_init();
613 	am43xx_hwmod_init();
614 	omap_hwmod_init_postsetup();
615 	omap_l2_cache_init();
616 	omap_clk_soc_init = am43xx_dt_clk_init;
617 }
618 
619 void __init am43xx_init_late(void)
620 {
621 	omap_common_late_init();
622 }
623 #endif
624 
625 #ifdef CONFIG_ARCH_OMAP4
626 void __init omap4430_init_early(void)
627 {
628 	omap2_set_globals_tap(OMAP443X_CLASS,
629 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
630 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
631 				  OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
632 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
633 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
634 			     OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
635 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
636 	omap_prm_base_init();
637 	omap_cm_base_init();
638 	omap4xxx_check_revision();
639 	omap4xxx_check_features();
640 	omap4_pm_init_early();
641 	omap44xx_prm_init();
642 	omap44xx_voltagedomains_init();
643 	omap44xx_powerdomains_init();
644 	omap44xx_clockdomains_init();
645 	omap44xx_hwmod_init();
646 	omap_hwmod_init_postsetup();
647 	omap_l2_cache_init();
648 	omap_clk_soc_init = omap4xxx_dt_clk_init;
649 }
650 
651 void __init omap4430_init_late(void)
652 {
653 	omap_common_late_init();
654 	omap4_pm_init();
655 	omap2_clk_enable_autoidle_all();
656 }
657 #endif
658 
659 #ifdef CONFIG_SOC_OMAP5
660 void __init omap5_init_early(void)
661 {
662 	omap2_set_globals_tap(OMAP54XX_CLASS,
663 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
664 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
665 				  OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
666 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
667 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
668 			     OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
669 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
670 	omap_prm_base_init();
671 	omap_cm_base_init();
672 	omap44xx_prm_init();
673 	omap5xxx_check_revision();
674 	omap54xx_voltagedomains_init();
675 	omap54xx_powerdomains_init();
676 	omap54xx_clockdomains_init();
677 	omap54xx_hwmod_init();
678 	omap_hwmod_init_postsetup();
679 	omap_clk_soc_init = omap5xxx_dt_clk_init;
680 }
681 
682 void __init omap5_init_late(void)
683 {
684 	omap_common_late_init();
685 }
686 #endif
687 
688 #ifdef CONFIG_SOC_DRA7XX
689 void __init dra7xx_init_early(void)
690 {
691 	omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
692 	omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
693 				  OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
694 	omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
695 	omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(DRA7XX_CM_CORE_AON_BASE),
696 			     OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
697 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
698 	omap_prm_base_init();
699 	omap_cm_base_init();
700 	omap44xx_prm_init();
701 	dra7xxx_check_revision();
702 	dra7xx_powerdomains_init();
703 	dra7xx_clockdomains_init();
704 	dra7xx_hwmod_init();
705 	omap_hwmod_init_postsetup();
706 	omap_clk_soc_init = dra7xx_dt_clk_init;
707 }
708 
709 void __init dra7xx_init_late(void)
710 {
711 	omap_common_late_init();
712 }
713 #endif
714 
715 
716 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
717 				      struct omap_sdrc_params *sdrc_cs1)
718 {
719 	omap_sram_init();
720 
721 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
722 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
723 		_omap2_init_reprogram_sdrc();
724 	}
725 }
726 
727 int __init omap_clk_init(void)
728 {
729 	int ret = 0;
730 
731 	if (!omap_clk_soc_init)
732 		return 0;
733 
734 	ti_clk_init_features();
735 
736 	ret = of_prcm_init();
737 	if (!ret)
738 		ret = omap_clk_soc_init();
739 
740 	return ret;
741 }
742