xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision e65e175b) 
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * linux/arch/arm/mach-omap2/io.c
4  *
5  * OMAP2 I/O mapping code
6  *
7  * Copyright (C) 2005 Nokia Corporation
8  * Copyright (C) 2007-2009 Texas Instruments
9  *
10  * Author:
11  *	Juha Yrjola <juha.yrjola@nokia.com>
12  *	Syed Khasim <x0khasim@ti.com>
13  *
14  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
15  */
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/io.h>
20 #include <linux/clk.h>
21 
22 #include <asm/tlb.h>
23 #include <asm/mach/map.h>
24 
25 #include <linux/omap-dma.h>
26 
27 #include "omap_hwmod.h"
28 #include "soc.h"
29 #include "iomap.h"
30 #include "voltage.h"
31 #include "powerdomain.h"
32 #include "clockdomain.h"
33 #include "common.h"
34 #include "clock.h"
35 #include "clock2xxx.h"
36 #include "clock3xxx.h"
37 #include "sdrc.h"
38 #include "control.h"
39 #include "serial.h"
40 #include "sram.h"
41 #include "cm2xxx.h"
42 #include "cm3xxx.h"
43 #include "cm33xx.h"
44 #include "cm44xx.h"
45 #include "prm.h"
46 #include "cm.h"
47 #include "prcm_mpu44xx.h"
48 #include "prminst44xx.h"
49 #include "prm2xxx.h"
50 #include "prm3xxx.h"
51 #include "prm33xx.h"
52 #include "prm44xx.h"
53 #include "opp2xxx.h"
54 #include "omap-secure.h"
55 
56 /*
57  * omap_clk_soc_init: points to a function that does the SoC-specific
58  * clock initializations
59  */
60 static int (*omap_clk_soc_init)(void);
61 
62 /*
63  * The machine specific code may provide the extra mapping besides the
64  * default mapping provided here.
65  */
66 
67 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
68 static struct map_desc omap24xx_io_desc[] __initdata = {
69 	{
70 		.virtual	= L3_24XX_VIRT,
71 		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
72 		.length		= L3_24XX_SIZE,
73 		.type		= MT_DEVICE
74 	},
75 	{
76 		.virtual	= L4_24XX_VIRT,
77 		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
78 		.length		= L4_24XX_SIZE,
79 		.type		= MT_DEVICE
80 	},
81 };
82 
83 #ifdef CONFIG_SOC_OMAP2420
84 static struct map_desc omap242x_io_desc[] __initdata = {
85 	{
86 		.virtual	= DSP_MEM_2420_VIRT,
87 		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
88 		.length		= DSP_MEM_2420_SIZE,
89 		.type		= MT_DEVICE
90 	},
91 	{
92 		.virtual	= DSP_IPI_2420_VIRT,
93 		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
94 		.length		= DSP_IPI_2420_SIZE,
95 		.type		= MT_DEVICE
96 	},
97 	{
98 		.virtual	= DSP_MMU_2420_VIRT,
99 		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
100 		.length		= DSP_MMU_2420_SIZE,
101 		.type		= MT_DEVICE
102 	},
103 };
104 
105 #endif
106 
107 #ifdef CONFIG_SOC_OMAP2430
108 static struct map_desc omap243x_io_desc[] __initdata = {
109 	{
110 		.virtual	= L4_WK_243X_VIRT,
111 		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
112 		.length		= L4_WK_243X_SIZE,
113 		.type		= MT_DEVICE
114 	},
115 	{
116 		.virtual	= OMAP243X_GPMC_VIRT,
117 		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
118 		.length		= OMAP243X_GPMC_SIZE,
119 		.type		= MT_DEVICE
120 	},
121 	{
122 		.virtual	= OMAP243X_SDRC_VIRT,
123 		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
124 		.length		= OMAP243X_SDRC_SIZE,
125 		.type		= MT_DEVICE
126 	},
127 	{
128 		.virtual	= OMAP243X_SMS_VIRT,
129 		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
130 		.length		= OMAP243X_SMS_SIZE,
131 		.type		= MT_DEVICE
132 	},
133 };
134 #endif
135 #endif
136 
137 #ifdef	CONFIG_ARCH_OMAP3
138 static struct map_desc omap34xx_io_desc[] __initdata = {
139 	{
140 		.virtual	= L3_34XX_VIRT,
141 		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
142 		.length		= L3_34XX_SIZE,
143 		.type		= MT_DEVICE
144 	},
145 	{
146 		.virtual	= L4_34XX_VIRT,
147 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
148 		.length		= L4_34XX_SIZE,
149 		.type		= MT_DEVICE
150 	},
151 	{
152 		.virtual	= OMAP34XX_GPMC_VIRT,
153 		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
154 		.length		= OMAP34XX_GPMC_SIZE,
155 		.type		= MT_DEVICE
156 	},
157 	{
158 		.virtual	= OMAP343X_SMS_VIRT,
159 		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
160 		.length		= OMAP343X_SMS_SIZE,
161 		.type		= MT_DEVICE
162 	},
163 	{
164 		.virtual	= OMAP343X_SDRC_VIRT,
165 		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
166 		.length		= OMAP343X_SDRC_SIZE,
167 		.type		= MT_DEVICE
168 	},
169 	{
170 		.virtual	= L4_PER_34XX_VIRT,
171 		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
172 		.length		= L4_PER_34XX_SIZE,
173 		.type		= MT_DEVICE
174 	},
175 	{
176 		.virtual	= L4_EMU_34XX_VIRT,
177 		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
178 		.length		= L4_EMU_34XX_SIZE,
179 		.type		= MT_DEVICE
180 	},
181 };
182 #endif
183 
184 #ifdef CONFIG_SOC_TI81XX
185 static struct map_desc omapti81xx_io_desc[] __initdata = {
186 	{
187 		.virtual	= L4_34XX_VIRT,
188 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
189 		.length		= L4_34XX_SIZE,
190 		.type		= MT_DEVICE
191 	}
192 };
193 #endif
194 
195 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
196 static struct map_desc omapam33xx_io_desc[] __initdata = {
197 	{
198 		.virtual	= L4_34XX_VIRT,
199 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
200 		.length		= L4_34XX_SIZE,
201 		.type		= MT_DEVICE
202 	},
203 	{
204 		.virtual	= L4_WK_AM33XX_VIRT,
205 		.pfn		= __phys_to_pfn(L4_WK_AM33XX_PHYS),
206 		.length		= L4_WK_AM33XX_SIZE,
207 		.type		= MT_DEVICE
208 	}
209 };
210 #endif
211 
212 #ifdef	CONFIG_ARCH_OMAP4
213 static struct map_desc omap44xx_io_desc[] __initdata = {
214 	{
215 		.virtual	= L3_44XX_VIRT,
216 		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
217 		.length		= L3_44XX_SIZE,
218 		.type		= MT_DEVICE,
219 	},
220 	{
221 		.virtual	= L4_44XX_VIRT,
222 		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
223 		.length		= L4_44XX_SIZE,
224 		.type		= MT_DEVICE,
225 	},
226 	{
227 		.virtual	= L4_PER_44XX_VIRT,
228 		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
229 		.length		= L4_PER_44XX_SIZE,
230 		.type		= MT_DEVICE,
231 	},
232 };
233 #endif
234 
235 #ifdef CONFIG_SOC_OMAP5
236 static struct map_desc omap54xx_io_desc[] __initdata = {
237 	{
238 		.virtual	= L3_54XX_VIRT,
239 		.pfn		= __phys_to_pfn(L3_54XX_PHYS),
240 		.length		= L3_54XX_SIZE,
241 		.type		= MT_DEVICE,
242 	},
243 	{
244 		.virtual	= L4_54XX_VIRT,
245 		.pfn		= __phys_to_pfn(L4_54XX_PHYS),
246 		.length		= L4_54XX_SIZE,
247 		.type		= MT_DEVICE,
248 	},
249 	{
250 		.virtual	= L4_WK_54XX_VIRT,
251 		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),
252 		.length		= L4_WK_54XX_SIZE,
253 		.type		= MT_DEVICE,
254 	},
255 	{
256 		.virtual	= L4_PER_54XX_VIRT,
257 		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),
258 		.length		= L4_PER_54XX_SIZE,
259 		.type		= MT_DEVICE,
260 	},
261 };
262 #endif
263 
264 #ifdef CONFIG_SOC_DRA7XX
265 static struct map_desc dra7xx_io_desc[] __initdata = {
266 	{
267 		.virtual	= L4_CFG_MPU_DRA7XX_VIRT,
268 		.pfn		= __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
269 		.length		= L4_CFG_MPU_DRA7XX_SIZE,
270 		.type		= MT_DEVICE,
271 	},
272 	{
273 		.virtual	= L3_MAIN_SN_DRA7XX_VIRT,
274 		.pfn		= __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
275 		.length		= L3_MAIN_SN_DRA7XX_SIZE,
276 		.type		= MT_DEVICE,
277 	},
278 	{
279 		.virtual	= L4_PER1_DRA7XX_VIRT,
280 		.pfn		= __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
281 		.length		= L4_PER1_DRA7XX_SIZE,
282 		.type		= MT_DEVICE,
283 	},
284 	{
285 		.virtual	= L4_PER2_DRA7XX_VIRT,
286 		.pfn		= __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
287 		.length		= L4_PER2_DRA7XX_SIZE,
288 		.type		= MT_DEVICE,
289 	},
290 	{
291 		.virtual	= L4_PER3_DRA7XX_VIRT,
292 		.pfn		= __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
293 		.length		= L4_PER3_DRA7XX_SIZE,
294 		.type		= MT_DEVICE,
295 	},
296 	{
297 		.virtual	= L4_CFG_DRA7XX_VIRT,
298 		.pfn		= __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
299 		.length		= L4_CFG_DRA7XX_SIZE,
300 		.type		= MT_DEVICE,
301 	},
302 	{
303 		.virtual	= L4_WKUP_DRA7XX_VIRT,
304 		.pfn		= __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
305 		.length		= L4_WKUP_DRA7XX_SIZE,
306 		.type		= MT_DEVICE,
307 	},
308 };
309 #endif
310 
311 #ifdef CONFIG_SOC_OMAP2420
312 void __init omap242x_map_io(void)
313 {
314 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
315 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
316 }
317 #endif
318 
319 #ifdef CONFIG_SOC_OMAP2430
320 void __init omap243x_map_io(void)
321 {
322 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
323 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
324 }
325 #endif
326 
327 #ifdef CONFIG_ARCH_OMAP3
328 void __init omap3_map_io(void)
329 {
330 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
331 }
332 #endif
333 
334 #ifdef CONFIG_SOC_TI81XX
335 void __init ti81xx_map_io(void)
336 {
337 	iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
338 }
339 #endif
340 
341 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
342 void __init am33xx_map_io(void)
343 {
344 	iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
345 }
346 #endif
347 
348 #ifdef CONFIG_ARCH_OMAP4
349 void __init omap4_map_io(void)
350 {
351 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
352 	omap_barriers_init();
353 }
354 #endif
355 
356 #ifdef CONFIG_SOC_OMAP5
357 void __init omap5_map_io(void)
358 {
359 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
360 	omap_barriers_init();
361 }
362 #endif
363 
364 #ifdef CONFIG_SOC_DRA7XX
365 void __init dra7xx_map_io(void)
366 {
367 	iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
368 	omap_barriers_init();
369 }
370 #endif
371 /*
372  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
373  *
374  * Sets the CORE DPLL3 M2 divider to the same value that it's at
375  * currently.  This has the effect of setting the SDRC SDRAM AC timing
376  * registers to the values currently defined by the kernel.  Currently
377  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
378  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
379  * or passes along the return value of clk_set_rate().
380  */
381 static int __init _omap2_init_reprogram_sdrc(void)
382 {
383 	struct clk *dpll3_m2_ck;
384 	int v = -EINVAL;
385 	long rate;
386 
387 	if (!cpu_is_omap34xx())
388 		return 0;
389 
390 	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
391 	if (IS_ERR(dpll3_m2_ck))
392 		return -EINVAL;
393 
394 	rate = clk_get_rate(dpll3_m2_ck);
395 	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
396 	v = clk_set_rate(dpll3_m2_ck, rate);
397 	if (v)
398 		pr_err("dpll3_m2_clk rate change failed: %d\n", v);
399 
400 	clk_put(dpll3_m2_ck);
401 
402 	return v;
403 }
404 
405 #ifdef CONFIG_OMAP_HWMOD
406 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
407 {
408 	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
409 }
410 
411 static void __init __maybe_unused omap_hwmod_init_postsetup(void)
412 {
413 	u8 postsetup_state = _HWMOD_STATE_DEFAULT;
414 
415 	/* Set the default postsetup state for all hwmods */
416 	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
417 }
418 #else
419 static inline void omap_hwmod_init_postsetup(void)
420 {
421 }
422 #endif
423 
424 #ifdef CONFIG_SOC_OMAP2420
425 void __init omap2420_init_early(void)
426 {
427 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
428 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
429 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
430 	omap2_control_base_init();
431 	omap2xxx_check_revision();
432 	omap2_prcm_base_init();
433 	omap2xxx_voltagedomains_init();
434 	omap242x_powerdomains_init();
435 	omap242x_clockdomains_init();
436 	omap2420_hwmod_init();
437 	omap_hwmod_init_postsetup();
438 	omap_clk_soc_init = omap2420_dt_clk_init;
439 	rate_table = omap2420_rate_table;
440 }
441 
442 void __init omap2420_init_late(void)
443 {
444 	omap_pm_soc_init = omap2_pm_init;
445 }
446 #endif
447 
448 #ifdef CONFIG_SOC_OMAP2430
449 void __init omap2430_init_early(void)
450 {
451 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
452 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
453 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
454 	omap2_control_base_init();
455 	omap2xxx_check_revision();
456 	omap2_prcm_base_init();
457 	omap2xxx_voltagedomains_init();
458 	omap243x_powerdomains_init();
459 	omap243x_clockdomains_init();
460 	omap2430_hwmod_init();
461 	omap_hwmod_init_postsetup();
462 	omap_clk_soc_init = omap2430_dt_clk_init;
463 	rate_table = omap2430_rate_table;
464 }
465 
466 void __init omap2430_init_late(void)
467 {
468 	omap_pm_soc_init = omap2_pm_init;
469 }
470 #endif
471 
472 /*
473  * Currently only board-omap3beagle.c should call this because of the
474  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
475  */
476 #ifdef CONFIG_ARCH_OMAP3
477 void __init omap3_init_early(void)
478 {
479 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
480 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
481 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
482 	omap2_control_base_init();
483 	omap3xxx_check_revision();
484 	omap3xxx_check_features();
485 	omap2_prcm_base_init();
486 	omap3xxx_voltagedomains_init();
487 	omap3xxx_powerdomains_init();
488 	omap3xxx_clockdomains_init();
489 	omap3xxx_hwmod_init();
490 	omap_hwmod_init_postsetup();
491 	omap_secure_init();
492 }
493 
494 void __init omap3430_init_early(void)
495 {
496 	omap3_init_early();
497 	omap_clk_soc_init = omap3430_dt_clk_init;
498 }
499 
500 void __init omap35xx_init_early(void)
501 {
502 	omap3_init_early();
503 	omap_clk_soc_init = omap3430_dt_clk_init;
504 }
505 
506 void __init omap3630_init_early(void)
507 {
508 	omap3_init_early();
509 	omap_clk_soc_init = omap3630_dt_clk_init;
510 }
511 
512 void __init am35xx_init_early(void)
513 {
514 	omap3_init_early();
515 	omap_clk_soc_init = am35xx_dt_clk_init;
516 }
517 
518 void __init omap3_init_late(void)
519 {
520 	omap_pm_soc_init = omap3_pm_init;
521 }
522 
523 void __init ti81xx_init_late(void)
524 {
525 	omap_pm_soc_init = omap_pm_nop_init;
526 }
527 #endif
528 
529 #ifdef CONFIG_SOC_TI81XX
530 void __init ti814x_init_early(void)
531 {
532 	omap2_set_globals_tap(TI814X_CLASS,
533 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
534 	omap2_control_base_init();
535 	omap3xxx_check_revision();
536 	ti81xx_check_features();
537 	omap2_prcm_base_init();
538 	omap3xxx_voltagedomains_init();
539 	omap3xxx_powerdomains_init();
540 	ti814x_clockdomains_init();
541 	dm814x_hwmod_init();
542 	omap_hwmod_init_postsetup();
543 	omap_clk_soc_init = dm814x_dt_clk_init;
544 	omap_secure_init();
545 }
546 
547 void __init ti816x_init_early(void)
548 {
549 	omap2_set_globals_tap(TI816X_CLASS,
550 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
551 	omap2_control_base_init();
552 	omap3xxx_check_revision();
553 	ti81xx_check_features();
554 	omap2_prcm_base_init();
555 	omap3xxx_voltagedomains_init();
556 	omap3xxx_powerdomains_init();
557 	ti816x_clockdomains_init();
558 	dm816x_hwmod_init();
559 	omap_hwmod_init_postsetup();
560 	omap_clk_soc_init = dm816x_dt_clk_init;
561 	omap_secure_init();
562 }
563 #endif
564 
565 #ifdef CONFIG_SOC_AM33XX
566 void __init am33xx_init_early(void)
567 {
568 	omap2_set_globals_tap(AM335X_CLASS,
569 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
570 	omap2_control_base_init();
571 	omap3xxx_check_revision();
572 	am33xx_check_features();
573 	omap2_prcm_base_init();
574 	am33xx_powerdomains_init();
575 	am33xx_clockdomains_init();
576 	omap_clk_soc_init = am33xx_dt_clk_init;
577 	omap_secure_init();
578 }
579 
580 void __init am33xx_init_late(void)
581 {
582 	omap_pm_soc_init = amx3_common_pm_init;
583 }
584 #endif
585 
586 #ifdef CONFIG_SOC_AM43XX
587 void __init am43xx_init_early(void)
588 {
589 	omap2_set_globals_tap(AM335X_CLASS,
590 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
591 	omap2_control_base_init();
592 	omap3xxx_check_revision();
593 	am33xx_check_features();
594 	omap2_prcm_base_init();
595 	am43xx_powerdomains_init();
596 	am43xx_clockdomains_init();
597 	omap_l2_cache_init();
598 	omap_clk_soc_init = am43xx_dt_clk_init;
599 	omap_secure_init();
600 }
601 
602 void __init am43xx_init_late(void)
603 {
604 	omap_pm_soc_init = amx3_common_pm_init;
605 }
606 #endif
607 
608 #ifdef CONFIG_ARCH_OMAP4
609 void __init omap4430_init_early(void)
610 {
611 	omap2_set_globals_tap(OMAP443X_CLASS,
612 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
613 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
614 	omap2_control_base_init();
615 	omap4xxx_check_revision();
616 	omap4xxx_check_features();
617 	omap2_prcm_base_init();
618 	omap4_sar_ram_init();
619 	omap4_mpuss_early_init();
620 	omap4_pm_init_early();
621 	omap44xx_voltagedomains_init();
622 	omap44xx_powerdomains_init();
623 	omap44xx_clockdomains_init();
624 	omap_l2_cache_init();
625 	omap_clk_soc_init = omap4xxx_dt_clk_init;
626 	omap_secure_init();
627 }
628 
629 void __init omap4430_init_late(void)
630 {
631 	omap_pm_soc_init = omap4_pm_init;
632 }
633 #endif
634 
635 #ifdef CONFIG_SOC_OMAP5
636 void __init omap5_init_early(void)
637 {
638 	omap2_set_globals_tap(OMAP54XX_CLASS,
639 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
640 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
641 	omap2_control_base_init();
642 	omap2_prcm_base_init();
643 	omap5xxx_check_revision();
644 	omap4_sar_ram_init();
645 	omap4_mpuss_early_init();
646 	omap4_pm_init_early();
647 	omap54xx_voltagedomains_init();
648 	omap54xx_powerdomains_init();
649 	omap54xx_clockdomains_init();
650 	omap_clk_soc_init = omap5xxx_dt_clk_init;
651 	omap_secure_init();
652 }
653 
654 void __init omap5_init_late(void)
655 {
656 	omap_pm_soc_init = omap4_pm_init;
657 }
658 #endif
659 
660 #ifdef CONFIG_SOC_DRA7XX
661 void __init dra7xx_init_early(void)
662 {
663 	omap2_set_globals_tap(DRA7XX_CLASS,
664 			      OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
665 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
666 	omap2_control_base_init();
667 	omap4_pm_init_early();
668 	omap2_prcm_base_init();
669 	dra7xxx_check_revision();
670 	dra7xx_powerdomains_init();
671 	dra7xx_clockdomains_init();
672 	omap_clk_soc_init = dra7xx_dt_clk_init;
673 	omap_secure_init();
674 }
675 
676 void __init dra7xx_init_late(void)
677 {
678 	omap_pm_soc_init = omap4_pm_init;
679 }
680 #endif
681 
682 
683 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
684 				      struct omap_sdrc_params *sdrc_cs1)
685 {
686 	omap_sram_init();
687 
688 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
689 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
690 		_omap2_init_reprogram_sdrc();
691 	}
692 }
693 
694 int __init omap_clk_init(void)
695 {
696 	int ret = 0;
697 
698 	if (!omap_clk_soc_init)
699 		return 0;
700 
701 	ti_clk_init_features();
702 
703 	omap2_clk_setup_ll_ops();
704 
705 	ret = omap_control_init();
706 	if (ret)
707 		return ret;
708 
709 	ret = omap_prcm_init();
710 	if (ret)
711 		return ret;
712 
713 	of_clk_init(NULL);
714 
715 	ti_dt_clk_init_retry_clks();
716 
717 	ti_dt_clockdomains_setup();
718 
719 	ret = omap_clk_soc_init();
720 
721 	return ret;
722 }
723