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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
57
58
59
60
61int (*omap_clk_init)(void);
62
63
64
65
66
67
68#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
69static struct map_desc omap24xx_io_desc[] __initdata = {
70 {
71 .virtual = L3_24XX_VIRT,
72 .pfn = __phys_to_pfn(L3_24XX_PHYS),
73 .length = L3_24XX_SIZE,
74 .type = MT_DEVICE
75 },
76 {
77 .virtual = L4_24XX_VIRT,
78 .pfn = __phys_to_pfn(L4_24XX_PHYS),
79 .length = L4_24XX_SIZE,
80 .type = MT_DEVICE
81 },
82};
83
84#ifdef CONFIG_SOC_OMAP2420
85static struct map_desc omap242x_io_desc[] __initdata = {
86 {
87 .virtual = DSP_MEM_2420_VIRT,
88 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
89 .length = DSP_MEM_2420_SIZE,
90 .type = MT_DEVICE
91 },
92 {
93 .virtual = DSP_IPI_2420_VIRT,
94 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
95 .length = DSP_IPI_2420_SIZE,
96 .type = MT_DEVICE
97 },
98 {
99 .virtual = DSP_MMU_2420_VIRT,
100 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
101 .length = DSP_MMU_2420_SIZE,
102 .type = MT_DEVICE
103 },
104};
105
106#endif
107
108#ifdef CONFIG_SOC_OMAP2430
109static struct map_desc omap243x_io_desc[] __initdata = {
110 {
111 .virtual = L4_WK_243X_VIRT,
112 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
113 .length = L4_WK_243X_SIZE,
114 .type = MT_DEVICE
115 },
116 {
117 .virtual = OMAP243X_GPMC_VIRT,
118 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
119 .length = OMAP243X_GPMC_SIZE,
120 .type = MT_DEVICE
121 },
122 {
123 .virtual = OMAP243X_SDRC_VIRT,
124 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
125 .length = OMAP243X_SDRC_SIZE,
126 .type = MT_DEVICE
127 },
128 {
129 .virtual = OMAP243X_SMS_VIRT,
130 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
131 .length = OMAP243X_SMS_SIZE,
132 .type = MT_DEVICE
133 },
134};
135#endif
136#endif
137
138#ifdef CONFIG_ARCH_OMAP3
139static struct map_desc omap34xx_io_desc[] __initdata = {
140 {
141 .virtual = L3_34XX_VIRT,
142 .pfn = __phys_to_pfn(L3_34XX_PHYS),
143 .length = L3_34XX_SIZE,
144 .type = MT_DEVICE
145 },
146 {
147 .virtual = L4_34XX_VIRT,
148 .pfn = __phys_to_pfn(L4_34XX_PHYS),
149 .length = L4_34XX_SIZE,
150 .type = MT_DEVICE
151 },
152 {
153 .virtual = OMAP34XX_GPMC_VIRT,
154 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
155 .length = OMAP34XX_GPMC_SIZE,
156 .type = MT_DEVICE
157 },
158 {
159 .virtual = OMAP343X_SMS_VIRT,
160 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
161 .length = OMAP343X_SMS_SIZE,
162 .type = MT_DEVICE
163 },
164 {
165 .virtual = OMAP343X_SDRC_VIRT,
166 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
167 .length = OMAP343X_SDRC_SIZE,
168 .type = MT_DEVICE
169 },
170 {
171 .virtual = L4_PER_34XX_VIRT,
172 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
173 .length = L4_PER_34XX_SIZE,
174 .type = MT_DEVICE
175 },
176 {
177 .virtual = L4_EMU_34XX_VIRT,
178 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
179 .length = L4_EMU_34XX_SIZE,
180 .type = MT_DEVICE
181 },
182#if defined(CONFIG_DEBUG_LL) && \
183 (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
184 {
185 .virtual = ZOOM_UART_VIRT,
186 .pfn = __phys_to_pfn(ZOOM_UART_BASE),
187 .length = SZ_1M,
188 .type = MT_DEVICE
189 },
190#endif
191};
192#endif
193
194#ifdef CONFIG_SOC_TI81XX
195static struct map_desc omapti81xx_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#endif
204
205#ifdef CONFIG_SOC_AM33XX
206static struct map_desc omapam33xx_io_desc[] __initdata = {
207 {
208 .virtual = L4_34XX_VIRT,
209 .pfn = __phys_to_pfn(L4_34XX_PHYS),
210 .length = L4_34XX_SIZE,
211 .type = MT_DEVICE
212 },
213 {
214 .virtual = L4_WK_AM33XX_VIRT,
215 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
216 .length = L4_WK_AM33XX_SIZE,
217 .type = MT_DEVICE
218 }
219};
220#endif
221
222#ifdef CONFIG_ARCH_OMAP4
223static struct map_desc omap44xx_io_desc[] __initdata = {
224 {
225 .virtual = L3_44XX_VIRT,
226 .pfn = __phys_to_pfn(L3_44XX_PHYS),
227 .length = L3_44XX_SIZE,
228 .type = MT_DEVICE,
229 },
230 {
231 .virtual = L4_44XX_VIRT,
232 .pfn = __phys_to_pfn(L4_44XX_PHYS),
233 .length = L4_44XX_SIZE,
234 .type = MT_DEVICE,
235 },
236 {
237 .virtual = L4_PER_44XX_VIRT,
238 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
239 .length = L4_PER_44XX_SIZE,
240 .type = MT_DEVICE,
241 },
242#ifdef CONFIG_OMAP4_ERRATA_I688
243 {
244 .virtual = OMAP4_SRAM_VA,
245 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
246 .length = PAGE_SIZE,
247 .type = MT_MEMORY_SO,
248 },
249#endif
250
251};
252#endif
253
254#ifdef CONFIG_SOC_OMAP5
255static struct map_desc omap54xx_io_desc[] __initdata = {
256 {
257 .virtual = L3_54XX_VIRT,
258 .pfn = __phys_to_pfn(L3_54XX_PHYS),
259 .length = L3_54XX_SIZE,
260 .type = MT_DEVICE,
261 },
262 {
263 .virtual = L4_54XX_VIRT,
264 .pfn = __phys_to_pfn(L4_54XX_PHYS),
265 .length = L4_54XX_SIZE,
266 .type = MT_DEVICE,
267 },
268 {
269 .virtual = L4_WK_54XX_VIRT,
270 .pfn = __phys_to_pfn(L4_WK_54XX_PHYS),
271 .length = L4_WK_54XX_SIZE,
272 .type = MT_DEVICE,
273 },
274 {
275 .virtual = L4_PER_54XX_VIRT,
276 .pfn = __phys_to_pfn(L4_PER_54XX_PHYS),
277 .length = L4_PER_54XX_SIZE,
278 .type = MT_DEVICE,
279 },
280#ifdef CONFIG_OMAP4_ERRATA_I688
281 {
282 .virtual = OMAP4_SRAM_VA,
283 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
284 .length = PAGE_SIZE,
285 .type = MT_MEMORY_SO,
286 },
287#endif
288};
289#endif
290
291#ifdef CONFIG_SOC_OMAP2420
292void __init omap242x_map_io(void)
293{
294 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
295 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
296}
297#endif
298
299#ifdef CONFIG_SOC_OMAP2430
300void __init omap243x_map_io(void)
301{
302 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
303 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
304}
305#endif
306
307#ifdef CONFIG_ARCH_OMAP3
308void __init omap3_map_io(void)
309{
310 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
311}
312#endif
313
314#ifdef CONFIG_SOC_TI81XX
315void __init ti81xx_map_io(void)
316{
317 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
318}
319#endif
320
321#ifdef CONFIG_SOC_AM33XX
322void __init am33xx_map_io(void)
323{
324 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
325}
326#endif
327
328#ifdef CONFIG_ARCH_OMAP4
329void __init omap4_map_io(void)
330{
331 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
332 omap_barriers_init();
333}
334#endif
335
336#ifdef CONFIG_SOC_OMAP5
337void __init omap5_map_io(void)
338{
339 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
340 omap_barriers_init();
341}
342#endif
343
344
345
346
347
348
349
350
351
352
353static int __init _omap2_init_reprogram_sdrc(void)
354{
355 struct clk *dpll3_m2_ck;
356 int v = -EINVAL;
357 long rate;
358
359 if (!cpu_is_omap34xx())
360 return 0;
361
362 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
363 if (IS_ERR(dpll3_m2_ck))
364 return -EINVAL;
365
366 rate = clk_get_rate(dpll3_m2_ck);
367 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
368 v = clk_set_rate(dpll3_m2_ck, rate);
369 if (v)
370 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
371
372 clk_put(dpll3_m2_ck);
373
374 return v;
375}
376
377static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
378{
379 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
380}
381
382static void __init omap_hwmod_init_postsetup(void)
383{
384 u8 postsetup_state;
385
386
387#ifdef CONFIG_PM_RUNTIME
388 postsetup_state = _HWMOD_STATE_IDLE;
389#else
390 postsetup_state = _HWMOD_STATE_ENABLED;
391#endif
392 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
393
394 omap_pm_if_early_init();
395}
396
397static void __init omap_common_late_init(void)
398{
399 omap_mux_late_init();
400 omap2_common_pm_late_init();
401 omap_soc_device_init();
402}
403
404#ifdef CONFIG_SOC_OMAP2420
405void __init omap2420_init_early(void)
406{
407 omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
408 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
409 OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
410 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
411 NULL);
412 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE));
413 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), NULL);
414 omap2xxx_check_revision();
415 omap2xxx_prm_init();
416 omap2xxx_cm_init();
417 omap2xxx_voltagedomains_init();
418 omap242x_powerdomains_init();
419 omap242x_clockdomains_init();
420 omap2420_hwmod_init();
421 omap_hwmod_init_postsetup();
422 omap_clk_init = omap2420_clk_init;
423}
424
425void __init omap2420_init_late(void)
426{
427 omap_common_late_init();
428 omap2_pm_init();
429 omap2_clk_enable_autoidle_all();
430}
431#endif
432
433#ifdef CONFIG_SOC_OMAP2430
434void __init omap2430_init_early(void)
435{
436 omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
437 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
438 OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
439 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
440 NULL);
441 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE));
442 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), NULL);
443 omap2xxx_check_revision();
444 omap2xxx_prm_init();
445 omap2xxx_cm_init();
446 omap2xxx_voltagedomains_init();
447 omap243x_powerdomains_init();
448 omap243x_clockdomains_init();
449 omap2430_hwmod_init();
450 omap_hwmod_init_postsetup();
451 omap_clk_init = omap2430_clk_init;
452}
453
454void __init omap2430_init_late(void)
455{
456 omap_common_late_init();
457 omap2_pm_init();
458 omap2_clk_enable_autoidle_all();
459}
460#endif
461
462
463
464
465
466#ifdef CONFIG_ARCH_OMAP3
467void __init omap3_init_early(void)
468{
469 omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
470 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
471 OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
472 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
473 NULL);
474 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
475 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), NULL);
476 omap3xxx_check_revision();
477 omap3xxx_check_features();
478 omap3xxx_prm_init();
479 omap3xxx_cm_init();
480 omap3xxx_voltagedomains_init();
481 omap3xxx_powerdomains_init();
482 omap3xxx_clockdomains_init();
483 omap3xxx_hwmod_init();
484 omap_hwmod_init_postsetup();
485 omap_clk_init = omap3xxx_clk_init;
486}
487
488void __init omap3430_init_early(void)
489{
490 omap3_init_early();
491}
492
493void __init omap35xx_init_early(void)
494{
495 omap3_init_early();
496}
497
498void __init omap3630_init_early(void)
499{
500 omap3_init_early();
501}
502
503void __init am35xx_init_early(void)
504{
505 omap3_init_early();
506}
507
508void __init ti81xx_init_early(void)
509{
510 omap2_set_globals_tap(OMAP343X_CLASS,
511 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
512 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
513 NULL);
514 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
515 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
516 omap3xxx_check_revision();
517 ti81xx_check_features();
518 omap3xxx_voltagedomains_init();
519 omap3xxx_powerdomains_init();
520 omap3xxx_clockdomains_init();
521 omap3xxx_hwmod_init();
522 omap_hwmod_init_postsetup();
523 omap_clk_init = omap3xxx_clk_init;
524}
525
526void __init omap3_init_late(void)
527{
528 omap_common_late_init();
529 omap3_pm_init();
530 omap2_clk_enable_autoidle_all();
531}
532
533void __init omap3430_init_late(void)
534{
535 omap_common_late_init();
536 omap3_pm_init();
537 omap2_clk_enable_autoidle_all();
538}
539
540void __init omap35xx_init_late(void)
541{
542 omap_common_late_init();
543 omap3_pm_init();
544 omap2_clk_enable_autoidle_all();
545}
546
547void __init omap3630_init_late(void)
548{
549 omap_common_late_init();
550 omap3_pm_init();
551 omap2_clk_enable_autoidle_all();
552}
553
554void __init am35xx_init_late(void)
555{
556 omap_common_late_init();
557 omap3_pm_init();
558 omap2_clk_enable_autoidle_all();
559}
560
561void __init ti81xx_init_late(void)
562{
563 omap_common_late_init();
564 omap3_pm_init();
565 omap2_clk_enable_autoidle_all();
566}
567#endif
568
569#ifdef CONFIG_SOC_AM33XX
570void __init am33xx_init_early(void)
571{
572 omap2_set_globals_tap(AM335X_CLASS,
573 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
574 omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
575 NULL);
576 omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
577 omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
578 omap3xxx_check_revision();
579 ti81xx_check_features();
580 am33xx_voltagedomains_init();
581 am33xx_powerdomains_init();
582 am33xx_clockdomains_init();
583 am33xx_hwmod_init();
584 omap_hwmod_init_postsetup();
585 omap_clk_init = am33xx_clk_init;
586}
587#endif
588
589#ifdef CONFIG_ARCH_OMAP4
590void __init omap4430_init_early(void)
591{
592 omap2_set_globals_tap(OMAP443X_CLASS,
593 OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
594 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
595 OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
596 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
597 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
598 OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
599 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
600 omap_prm_base_init();
601 omap_cm_base_init();
602 omap4xxx_check_revision();
603 omap4xxx_check_features();
604 omap44xx_prm_init();
605 omap44xx_voltagedomains_init();
606 omap44xx_powerdomains_init();
607 omap44xx_clockdomains_init();
608 omap44xx_hwmod_init();
609 omap_hwmod_init_postsetup();
610 omap_clk_init = omap4xxx_clk_init;
611}
612
613void __init omap4430_init_late(void)
614{
615 omap_common_late_init();
616 omap4_pm_init();
617 omap2_clk_enable_autoidle_all();
618}
619#endif
620
621#ifdef CONFIG_SOC_OMAP5
622void __init omap5_init_early(void)
623{
624 omap2_set_globals_tap(OMAP54XX_CLASS,
625 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
626 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
627 OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
628 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
629 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
630 OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
631 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
632 omap_prm_base_init();
633 omap_cm_base_init();
634 omap5xxx_check_revision();
635}
636#endif
637
638void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
639 struct omap_sdrc_params *sdrc_cs1)
640{
641 omap_sram_init();
642
643 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
644 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
645 _omap2_init_reprogram_sdrc();
646 }
647}
648
