xref: /openbmc/linux/arch/arm/mach-omap2/io.c (revision ec2da07c)
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 
55 /*
56  * omap_clk_soc_init: points to a function that does the SoC-specific
57  * clock initializations
58  */
59 static int (*omap_clk_soc_init)(void);
60 
61 /*
62  * The machine specific code may provide the extra mapping besides the
63  * default mapping provided here.
64  */
65 
66 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
67 static struct map_desc omap24xx_io_desc[] __initdata = {
68 	{
69 		.virtual	= L3_24XX_VIRT,
70 		.pfn		= __phys_to_pfn(L3_24XX_PHYS),
71 		.length		= L3_24XX_SIZE,
72 		.type		= MT_DEVICE
73 	},
74 	{
75 		.virtual	= L4_24XX_VIRT,
76 		.pfn		= __phys_to_pfn(L4_24XX_PHYS),
77 		.length		= L4_24XX_SIZE,
78 		.type		= MT_DEVICE
79 	},
80 };
81 
82 #ifdef CONFIG_SOC_OMAP2420
83 static struct map_desc omap242x_io_desc[] __initdata = {
84 	{
85 		.virtual	= DSP_MEM_2420_VIRT,
86 		.pfn		= __phys_to_pfn(DSP_MEM_2420_PHYS),
87 		.length		= DSP_MEM_2420_SIZE,
88 		.type		= MT_DEVICE
89 	},
90 	{
91 		.virtual	= DSP_IPI_2420_VIRT,
92 		.pfn		= __phys_to_pfn(DSP_IPI_2420_PHYS),
93 		.length		= DSP_IPI_2420_SIZE,
94 		.type		= MT_DEVICE
95 	},
96 	{
97 		.virtual	= DSP_MMU_2420_VIRT,
98 		.pfn		= __phys_to_pfn(DSP_MMU_2420_PHYS),
99 		.length		= DSP_MMU_2420_SIZE,
100 		.type		= MT_DEVICE
101 	},
102 };
103 
104 #endif
105 
106 #ifdef CONFIG_SOC_OMAP2430
107 static struct map_desc omap243x_io_desc[] __initdata = {
108 	{
109 		.virtual	= L4_WK_243X_VIRT,
110 		.pfn		= __phys_to_pfn(L4_WK_243X_PHYS),
111 		.length		= L4_WK_243X_SIZE,
112 		.type		= MT_DEVICE
113 	},
114 	{
115 		.virtual	= OMAP243X_GPMC_VIRT,
116 		.pfn		= __phys_to_pfn(OMAP243X_GPMC_PHYS),
117 		.length		= OMAP243X_GPMC_SIZE,
118 		.type		= MT_DEVICE
119 	},
120 	{
121 		.virtual	= OMAP243X_SDRC_VIRT,
122 		.pfn		= __phys_to_pfn(OMAP243X_SDRC_PHYS),
123 		.length		= OMAP243X_SDRC_SIZE,
124 		.type		= MT_DEVICE
125 	},
126 	{
127 		.virtual	= OMAP243X_SMS_VIRT,
128 		.pfn		= __phys_to_pfn(OMAP243X_SMS_PHYS),
129 		.length		= OMAP243X_SMS_SIZE,
130 		.type		= MT_DEVICE
131 	},
132 };
133 #endif
134 #endif
135 
136 #ifdef	CONFIG_ARCH_OMAP3
137 static struct map_desc omap34xx_io_desc[] __initdata = {
138 	{
139 		.virtual	= L3_34XX_VIRT,
140 		.pfn		= __phys_to_pfn(L3_34XX_PHYS),
141 		.length		= L3_34XX_SIZE,
142 		.type		= MT_DEVICE
143 	},
144 	{
145 		.virtual	= L4_34XX_VIRT,
146 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
147 		.length		= L4_34XX_SIZE,
148 		.type		= MT_DEVICE
149 	},
150 	{
151 		.virtual	= OMAP34XX_GPMC_VIRT,
152 		.pfn		= __phys_to_pfn(OMAP34XX_GPMC_PHYS),
153 		.length		= OMAP34XX_GPMC_SIZE,
154 		.type		= MT_DEVICE
155 	},
156 	{
157 		.virtual	= OMAP343X_SMS_VIRT,
158 		.pfn		= __phys_to_pfn(OMAP343X_SMS_PHYS),
159 		.length		= OMAP343X_SMS_SIZE,
160 		.type		= MT_DEVICE
161 	},
162 	{
163 		.virtual	= OMAP343X_SDRC_VIRT,
164 		.pfn		= __phys_to_pfn(OMAP343X_SDRC_PHYS),
165 		.length		= OMAP343X_SDRC_SIZE,
166 		.type		= MT_DEVICE
167 	},
168 	{
169 		.virtual	= L4_PER_34XX_VIRT,
170 		.pfn		= __phys_to_pfn(L4_PER_34XX_PHYS),
171 		.length		= L4_PER_34XX_SIZE,
172 		.type		= MT_DEVICE
173 	},
174 	{
175 		.virtual	= L4_EMU_34XX_VIRT,
176 		.pfn		= __phys_to_pfn(L4_EMU_34XX_PHYS),
177 		.length		= L4_EMU_34XX_SIZE,
178 		.type		= MT_DEVICE
179 	},
180 };
181 #endif
182 
183 #ifdef CONFIG_SOC_TI81XX
184 static struct map_desc omapti81xx_io_desc[] __initdata = {
185 	{
186 		.virtual	= L4_34XX_VIRT,
187 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
188 		.length		= L4_34XX_SIZE,
189 		.type		= MT_DEVICE
190 	}
191 };
192 #endif
193 
194 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
195 static struct map_desc omapam33xx_io_desc[] __initdata = {
196 	{
197 		.virtual	= L4_34XX_VIRT,
198 		.pfn		= __phys_to_pfn(L4_34XX_PHYS),
199 		.length		= L4_34XX_SIZE,
200 		.type		= MT_DEVICE
201 	},
202 	{
203 		.virtual	= L4_WK_AM33XX_VIRT,
204 		.pfn		= __phys_to_pfn(L4_WK_AM33XX_PHYS),
205 		.length		= L4_WK_AM33XX_SIZE,
206 		.type		= MT_DEVICE
207 	}
208 };
209 #endif
210 
211 #ifdef	CONFIG_ARCH_OMAP4
212 static struct map_desc omap44xx_io_desc[] __initdata = {
213 	{
214 		.virtual	= L3_44XX_VIRT,
215 		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
216 		.length		= L3_44XX_SIZE,
217 		.type		= MT_DEVICE,
218 	},
219 	{
220 		.virtual	= L4_44XX_VIRT,
221 		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
222 		.length		= L4_44XX_SIZE,
223 		.type		= MT_DEVICE,
224 	},
225 	{
226 		.virtual	= L4_PER_44XX_VIRT,
227 		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
228 		.length		= L4_PER_44XX_SIZE,
229 		.type		= MT_DEVICE,
230 	},
231 };
232 #endif
233 
234 #ifdef CONFIG_SOC_OMAP5
235 static struct map_desc omap54xx_io_desc[] __initdata = {
236 	{
237 		.virtual	= L3_54XX_VIRT,
238 		.pfn		= __phys_to_pfn(L3_54XX_PHYS),
239 		.length		= L3_54XX_SIZE,
240 		.type		= MT_DEVICE,
241 	},
242 	{
243 		.virtual	= L4_54XX_VIRT,
244 		.pfn		= __phys_to_pfn(L4_54XX_PHYS),
245 		.length		= L4_54XX_SIZE,
246 		.type		= MT_DEVICE,
247 	},
248 	{
249 		.virtual	= L4_WK_54XX_VIRT,
250 		.pfn		= __phys_to_pfn(L4_WK_54XX_PHYS),
251 		.length		= L4_WK_54XX_SIZE,
252 		.type		= MT_DEVICE,
253 	},
254 	{
255 		.virtual	= L4_PER_54XX_VIRT,
256 		.pfn		= __phys_to_pfn(L4_PER_54XX_PHYS),
257 		.length		= L4_PER_54XX_SIZE,
258 		.type		= MT_DEVICE,
259 	},
260 };
261 #endif
262 
263 #ifdef CONFIG_SOC_DRA7XX
264 static struct map_desc dra7xx_io_desc[] __initdata = {
265 	{
266 		.virtual	= L4_CFG_MPU_DRA7XX_VIRT,
267 		.pfn		= __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
268 		.length		= L4_CFG_MPU_DRA7XX_SIZE,
269 		.type		= MT_DEVICE,
270 	},
271 	{
272 		.virtual	= L3_MAIN_SN_DRA7XX_VIRT,
273 		.pfn		= __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
274 		.length		= L3_MAIN_SN_DRA7XX_SIZE,
275 		.type		= MT_DEVICE,
276 	},
277 	{
278 		.virtual	= L4_PER1_DRA7XX_VIRT,
279 		.pfn		= __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
280 		.length		= L4_PER1_DRA7XX_SIZE,
281 		.type		= MT_DEVICE,
282 	},
283 	{
284 		.virtual	= L4_PER2_DRA7XX_VIRT,
285 		.pfn		= __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
286 		.length		= L4_PER2_DRA7XX_SIZE,
287 		.type		= MT_DEVICE,
288 	},
289 	{
290 		.virtual	= L4_PER3_DRA7XX_VIRT,
291 		.pfn		= __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
292 		.length		= L4_PER3_DRA7XX_SIZE,
293 		.type		= MT_DEVICE,
294 	},
295 	{
296 		.virtual	= L4_CFG_DRA7XX_VIRT,
297 		.pfn		= __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
298 		.length		= L4_CFG_DRA7XX_SIZE,
299 		.type		= MT_DEVICE,
300 	},
301 	{
302 		.virtual	= L4_WKUP_DRA7XX_VIRT,
303 		.pfn		= __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
304 		.length		= L4_WKUP_DRA7XX_SIZE,
305 		.type		= MT_DEVICE,
306 	},
307 };
308 #endif
309 
310 #ifdef CONFIG_SOC_OMAP2420
311 void __init omap242x_map_io(void)
312 {
313 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
314 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
315 }
316 #endif
317 
318 #ifdef CONFIG_SOC_OMAP2430
319 void __init omap243x_map_io(void)
320 {
321 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
322 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
323 }
324 #endif
325 
326 #ifdef CONFIG_ARCH_OMAP3
327 void __init omap3_map_io(void)
328 {
329 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
330 }
331 #endif
332 
333 #ifdef CONFIG_SOC_TI81XX
334 void __init ti81xx_map_io(void)
335 {
336 	iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
337 }
338 #endif
339 
340 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
341 void __init am33xx_map_io(void)
342 {
343 	iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
344 }
345 #endif
346 
347 #ifdef CONFIG_ARCH_OMAP4
348 void __init omap4_map_io(void)
349 {
350 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
351 	omap_barriers_init();
352 }
353 #endif
354 
355 #ifdef CONFIG_SOC_OMAP5
356 void __init omap5_map_io(void)
357 {
358 	iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
359 	omap_barriers_init();
360 }
361 #endif
362 
363 #ifdef CONFIG_SOC_DRA7XX
364 void __init dra7xx_map_io(void)
365 {
366 	iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
367 	omap_barriers_init();
368 }
369 #endif
370 /*
371  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
372  *
373  * Sets the CORE DPLL3 M2 divider to the same value that it's at
374  * currently.  This has the effect of setting the SDRC SDRAM AC timing
375  * registers to the values currently defined by the kernel.  Currently
376  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
377  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
378  * or passes along the return value of clk_set_rate().
379  */
380 static int __init _omap2_init_reprogram_sdrc(void)
381 {
382 	struct clk *dpll3_m2_ck;
383 	int v = -EINVAL;
384 	long rate;
385 
386 	if (!cpu_is_omap34xx())
387 		return 0;
388 
389 	dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
390 	if (IS_ERR(dpll3_m2_ck))
391 		return -EINVAL;
392 
393 	rate = clk_get_rate(dpll3_m2_ck);
394 	pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
395 	v = clk_set_rate(dpll3_m2_ck, rate);
396 	if (v)
397 		pr_err("dpll3_m2_clk rate change failed: %d\n", v);
398 
399 	clk_put(dpll3_m2_ck);
400 
401 	return v;
402 }
403 
404 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
405 {
406 	return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
407 }
408 
409 static void __init __maybe_unused omap_hwmod_init_postsetup(void)
410 {
411 	u8 postsetup_state = _HWMOD_STATE_DEFAULT;
412 
413 	/* Set the default postsetup state for all hwmods */
414 	omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
415 }
416 
417 #ifdef CONFIG_SOC_OMAP2420
418 void __init omap2420_init_early(void)
419 {
420 	omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
421 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
422 			       OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
423 	omap2_control_base_init();
424 	omap2xxx_check_revision();
425 	omap2_prcm_base_init();
426 	omap2xxx_voltagedomains_init();
427 	omap242x_powerdomains_init();
428 	omap242x_clockdomains_init();
429 	omap2420_hwmod_init();
430 	omap_hwmod_init_postsetup();
431 	omap_clk_soc_init = omap2420_dt_clk_init;
432 	rate_table = omap2420_rate_table;
433 }
434 
435 void __init omap2420_init_late(void)
436 {
437 	omap_pm_soc_init = omap2_pm_init;
438 }
439 #endif
440 
441 #ifdef CONFIG_SOC_OMAP2430
442 void __init omap2430_init_early(void)
443 {
444 	omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
445 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
446 			       OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
447 	omap2_control_base_init();
448 	omap2xxx_check_revision();
449 	omap2_prcm_base_init();
450 	omap2xxx_voltagedomains_init();
451 	omap243x_powerdomains_init();
452 	omap243x_clockdomains_init();
453 	omap2430_hwmod_init();
454 	omap_hwmod_init_postsetup();
455 	omap_clk_soc_init = omap2430_dt_clk_init;
456 	rate_table = omap2430_rate_table;
457 }
458 
459 void __init omap2430_init_late(void)
460 {
461 	omap_pm_soc_init = omap2_pm_init;
462 }
463 #endif
464 
465 /*
466  * Currently only board-omap3beagle.c should call this because of the
467  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
468  */
469 #ifdef CONFIG_ARCH_OMAP3
470 void __init omap3_init_early(void)
471 {
472 	omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
473 	omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
474 			       OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
475 	omap2_control_base_init();
476 	omap3xxx_check_revision();
477 	omap3xxx_check_features();
478 	omap2_prcm_base_init();
479 	omap3xxx_voltagedomains_init();
480 	omap3xxx_powerdomains_init();
481 	omap3xxx_clockdomains_init();
482 	omap3xxx_hwmod_init();
483 	omap_hwmod_init_postsetup();
484 }
485 
486 void __init omap3430_init_early(void)
487 {
488 	omap3_init_early();
489 	omap_clk_soc_init = omap3430_dt_clk_init;
490 }
491 
492 void __init omap35xx_init_early(void)
493 {
494 	omap3_init_early();
495 	omap_clk_soc_init = omap3430_dt_clk_init;
496 }
497 
498 void __init omap3630_init_early(void)
499 {
500 	omap3_init_early();
501 	omap_clk_soc_init = omap3630_dt_clk_init;
502 }
503 
504 void __init am35xx_init_early(void)
505 {
506 	omap3_init_early();
507 	omap_clk_soc_init = am35xx_dt_clk_init;
508 }
509 
510 void __init omap3_init_late(void)
511 {
512 	omap_pm_soc_init = omap3_pm_init;
513 }
514 
515 void __init ti81xx_init_late(void)
516 {
517 	omap_pm_soc_init = omap_pm_nop_init;
518 }
519 #endif
520 
521 #ifdef CONFIG_SOC_TI81XX
522 void __init ti814x_init_early(void)
523 {
524 	omap2_set_globals_tap(TI814X_CLASS,
525 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
526 	omap2_control_base_init();
527 	omap3xxx_check_revision();
528 	ti81xx_check_features();
529 	omap2_prcm_base_init();
530 	omap3xxx_voltagedomains_init();
531 	omap3xxx_powerdomains_init();
532 	ti814x_clockdomains_init();
533 	dm814x_hwmod_init();
534 	omap_hwmod_init_postsetup();
535 	omap_clk_soc_init = dm814x_dt_clk_init;
536 }
537 
538 void __init ti816x_init_early(void)
539 {
540 	omap2_set_globals_tap(TI816X_CLASS,
541 			      OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
542 	omap2_control_base_init();
543 	omap3xxx_check_revision();
544 	ti81xx_check_features();
545 	omap2_prcm_base_init();
546 	omap3xxx_voltagedomains_init();
547 	omap3xxx_powerdomains_init();
548 	ti816x_clockdomains_init();
549 	dm816x_hwmod_init();
550 	omap_hwmod_init_postsetup();
551 	omap_clk_soc_init = dm816x_dt_clk_init;
552 }
553 #endif
554 
555 #ifdef CONFIG_SOC_AM33XX
556 void __init am33xx_init_early(void)
557 {
558 	omap2_set_globals_tap(AM335X_CLASS,
559 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
560 	omap2_control_base_init();
561 	omap3xxx_check_revision();
562 	am33xx_check_features();
563 	omap2_prcm_base_init();
564 	am33xx_powerdomains_init();
565 	am33xx_clockdomains_init();
566 	am33xx_hwmod_init();
567 	omap_hwmod_init_postsetup();
568 	omap_clk_soc_init = am33xx_dt_clk_init;
569 }
570 
571 void __init am33xx_init_late(void)
572 {
573 	omap_pm_soc_init = amx3_common_pm_init;
574 }
575 #endif
576 
577 #ifdef CONFIG_SOC_AM43XX
578 void __init am43xx_init_early(void)
579 {
580 	omap2_set_globals_tap(AM335X_CLASS,
581 			      AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
582 	omap2_control_base_init();
583 	omap3xxx_check_revision();
584 	am33xx_check_features();
585 	omap2_prcm_base_init();
586 	am43xx_powerdomains_init();
587 	am43xx_clockdomains_init();
588 	am43xx_hwmod_init();
589 	omap_hwmod_init_postsetup();
590 	omap_l2_cache_init();
591 	omap_clk_soc_init = am43xx_dt_clk_init;
592 }
593 
594 void __init am43xx_init_late(void)
595 {
596 	omap_pm_soc_init = amx3_common_pm_init;
597 }
598 #endif
599 
600 #ifdef CONFIG_ARCH_OMAP4
601 void __init omap4430_init_early(void)
602 {
603 	omap2_set_globals_tap(OMAP443X_CLASS,
604 			      OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
605 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
606 	omap2_control_base_init();
607 	omap4xxx_check_revision();
608 	omap4xxx_check_features();
609 	omap2_prcm_base_init();
610 	omap4_sar_ram_init();
611 	omap4_mpuss_early_init();
612 	omap4_pm_init_early();
613 	omap44xx_voltagedomains_init();
614 	omap44xx_powerdomains_init();
615 	omap44xx_clockdomains_init();
616 	omap44xx_hwmod_init();
617 	omap_hwmod_init_postsetup();
618 	omap_l2_cache_init();
619 	omap_clk_soc_init = omap4xxx_dt_clk_init;
620 }
621 
622 void __init omap4430_init_late(void)
623 {
624 	omap_pm_soc_init = omap4_pm_init;
625 }
626 #endif
627 
628 #ifdef CONFIG_SOC_OMAP5
629 void __init omap5_init_early(void)
630 {
631 	omap2_set_globals_tap(OMAP54XX_CLASS,
632 			      OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
633 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
634 	omap2_control_base_init();
635 	omap2_prcm_base_init();
636 	omap5xxx_check_revision();
637 	omap4_sar_ram_init();
638 	omap4_mpuss_early_init();
639 	omap4_pm_init_early();
640 	omap54xx_voltagedomains_init();
641 	omap54xx_powerdomains_init();
642 	omap54xx_clockdomains_init();
643 	omap54xx_hwmod_init();
644 	omap_hwmod_init_postsetup();
645 	omap_clk_soc_init = omap5xxx_dt_clk_init;
646 }
647 
648 void __init omap5_init_late(void)
649 {
650 	omap_pm_soc_init = omap4_pm_init;
651 }
652 #endif
653 
654 #ifdef CONFIG_SOC_DRA7XX
655 void __init dra7xx_init_early(void)
656 {
657 	omap2_set_globals_tap(DRA7XX_CLASS,
658 			      OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
659 	omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
660 	omap2_control_base_init();
661 	omap4_pm_init_early();
662 	omap2_prcm_base_init();
663 	dra7xxx_check_revision();
664 	dra7xx_powerdomains_init();
665 	dra7xx_clockdomains_init();
666 	dra7xx_hwmod_init();
667 	omap_hwmod_init_postsetup();
668 	omap_clk_soc_init = dra7xx_dt_clk_init;
669 }
670 
671 void __init dra7xx_init_late(void)
672 {
673 	omap_pm_soc_init = omap4_pm_init;
674 }
675 #endif
676 
677 
678 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
679 				      struct omap_sdrc_params *sdrc_cs1)
680 {
681 	omap_sram_init();
682 
683 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
684 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
685 		_omap2_init_reprogram_sdrc();
686 	}
687 }
688 
689 int __init omap_clk_init(void)
690 {
691 	int ret = 0;
692 
693 	if (!omap_clk_soc_init)
694 		return 0;
695 
696 	ti_clk_init_features();
697 
698 	omap2_clk_setup_ll_ops();
699 
700 	ret = omap_control_init();
701 	if (ret)
702 		return ret;
703 
704 	ret = omap_prcm_init();
705 	if (ret)
706 		return ret;
707 
708 	of_clk_init(NULL);
709 
710 	ti_dt_clk_init_retry_clks();
711 
712 	ti_dt_clockdomains_setup();
713 
714 	ret = omap_clk_soc_init();
715 
716 	return ret;
717 }
718