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ARM: OMAP2+: hwmod: Hook-up am33xx support in omap_hwmod framework
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CommitLineData
1dbae815
TL
1/*
2 * linux/arch/arm/mach-omap2/io.c
3 *
4 * OMAP2 I/O mapping code
5 *
6 * Copyright (C) 2005 Nokia Corporation
44169075 7 * Copyright (C) 2007-2009 Texas Instruments
646e3ed1
TL
8 *
9 * Author:
10 * Juha Yrjola <juha.yrjola@nokia.com>
11 * Syed Khasim <x0khasim@ti.com>
1dbae815 12 *
44169075
SS
13 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
14 *
1dbae815
TL
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 */
1dbae815
TL
19#include <linux/module.h>
20#include <linux/kernel.h>
21#include <linux/init.h>
fced80c7 22#include <linux/io.h>
2f135eaf 23#include <linux/clk.h>
1dbae815 24
120db2cb 25#include <asm/tlb.h>
120db2cb
TL
26#include <asm/mach/map.h>
27
ce491cf8
TL
28#include <plat/sram.h>
29#include <plat/sdrc.h>
ce491cf8 30#include <plat/serial.h>
ce491cf8 31#include <plat/omap-pm.h>
ee0839c2
TL
32#include <plat/omap_hwmod.h>
33#include <plat/multi.h>
e2ed89fc 34#include <plat/dma.h>
ee0839c2
TL
35
36#include "iomap.h"
81a60482 37#include "voltage.h"
72e06d08 38#include "powerdomain.h"
1540f214 39#include "clockdomain.h"
4e65331c 40#include "common.h"
e30384ab 41#include "clock.h"
ee0839c2
TL
42#include "clock2xxx.h"
43#include "clock3xxx.h"
44#include "clock44xx.h"
02bfc030 45
1dbae815
TL
46/*
47 * The machine specific code may provide the extra mapping besides the
48 * default mapping provided here.
49 */
cc26b3b0 50
e48f814e 51#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
cc26b3b0 52static struct map_desc omap24xx_io_desc[] __initdata = {
1dbae815
TL
53 {
54 .virtual = L3_24XX_VIRT,
55 .pfn = __phys_to_pfn(L3_24XX_PHYS),
56 .length = L3_24XX_SIZE,
57 .type = MT_DEVICE
58 },
09f21ed4 59 {
cc26b3b0
SMK
60 .virtual = L4_24XX_VIRT,
61 .pfn = __phys_to_pfn(L4_24XX_PHYS),
62 .length = L4_24XX_SIZE,
63 .type = MT_DEVICE
09f21ed4 64 },
cc26b3b0
SMK
65};
66
59b479e0 67#ifdef CONFIG_SOC_OMAP2420
cc26b3b0
SMK
68static struct map_desc omap242x_io_desc[] __initdata = {
69 {
7adb9987
PW
70 .virtual = DSP_MEM_2420_VIRT,
71 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
72 .length = DSP_MEM_2420_SIZE,
cc26b3b0
SMK
73 .type = MT_DEVICE
74 },
75 {
7adb9987
PW
76 .virtual = DSP_IPI_2420_VIRT,
77 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
78 .length = DSP_IPI_2420_SIZE,
cc26b3b0 79 .type = MT_DEVICE
09f21ed4 80 },
cc26b3b0 81 {
7adb9987
PW
82 .virtual = DSP_MMU_2420_VIRT,
83 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
84 .length = DSP_MMU_2420_SIZE,
cc26b3b0
SMK
85 .type = MT_DEVICE
86 },
87};
88
89#endif
90
59b479e0 91#ifdef CONFIG_SOC_OMAP2430
cc26b3b0 92static struct map_desc omap243x_io_desc[] __initdata = {
72d0f1c3
SMK
93 {
94 .virtual = L4_WK_243X_VIRT,
95 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
96 .length = L4_WK_243X_SIZE,
97 .type = MT_DEVICE
98 },
99 {
100 .virtual = OMAP243X_GPMC_VIRT,
101 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
102 .length = OMAP243X_GPMC_SIZE,
103 .type = MT_DEVICE
104 },
cc26b3b0
SMK
105 {
106 .virtual = OMAP243X_SDRC_VIRT,
107 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
108 .length = OMAP243X_SDRC_SIZE,
109 .type = MT_DEVICE
110 },
111 {
112 .virtual = OMAP243X_SMS_VIRT,
113 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
114 .length = OMAP243X_SMS_SIZE,
115 .type = MT_DEVICE
116 },
117};
72d0f1c3 118#endif
72d0f1c3 119#endif
cc26b3b0 120
a8eb7ca0 121#ifdef CONFIG_ARCH_OMAP3
cc26b3b0 122static struct map_desc omap34xx_io_desc[] __initdata = {
1dbae815 123 {
cc26b3b0
SMK
124 .virtual = L3_34XX_VIRT,
125 .pfn = __phys_to_pfn(L3_34XX_PHYS),
126 .length = L3_34XX_SIZE,
c40fae95
TL
127 .type = MT_DEVICE
128 },
129 {
cc26b3b0
SMK
130 .virtual = L4_34XX_VIRT,
131 .pfn = __phys_to_pfn(L4_34XX_PHYS),
132 .length = L4_34XX_SIZE,
c40fae95
TL
133 .type = MT_DEVICE
134 },
cc26b3b0
SMK
135 {
136 .virtual = OMAP34XX_GPMC_VIRT,
137 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
138 .length = OMAP34XX_GPMC_SIZE,
1dbae815 139 .type = MT_DEVICE
cc26b3b0
SMK
140 },
141 {
142 .virtual = OMAP343X_SMS_VIRT,
143 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
144 .length = OMAP343X_SMS_SIZE,
145 .type = MT_DEVICE
146 },
147 {
148 .virtual = OMAP343X_SDRC_VIRT,
149 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
150 .length = OMAP343X_SDRC_SIZE,
1dbae815 151 .type = MT_DEVICE
cc26b3b0
SMK
152 },
153 {
154 .virtual = L4_PER_34XX_VIRT,
155 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
156 .length = L4_PER_34XX_SIZE,
157 .type = MT_DEVICE
158 },
159 {
160 .virtual = L4_EMU_34XX_VIRT,
161 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
162 .length = L4_EMU_34XX_SIZE,
163 .type = MT_DEVICE
164 },
a4f57b81
TL
165#if defined(CONFIG_DEBUG_LL) && \
166 (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
167 {
168 .virtual = ZOOM_UART_VIRT,
169 .pfn = __phys_to_pfn(ZOOM_UART_BASE),
170 .length = SZ_1M,
171 .type = MT_DEVICE
172 },
173#endif
1dbae815 174};
cc26b3b0 175#endif
01001712 176
33959553 177#ifdef CONFIG_SOC_TI81XX
a920360f 178static struct map_desc omapti81xx_io_desc[] __initdata = {
1e6cb146
AM
179 {
180 .virtual = L4_34XX_VIRT,
181 .pfn = __phys_to_pfn(L4_34XX_PHYS),
182 .length = L4_34XX_SIZE,
183 .type = MT_DEVICE
184 }
185};
186#endif
187
bb6abcf4 188#ifdef CONFIG_SOC_AM33XX
1e6cb146 189static struct map_desc omapam33xx_io_desc[] __initdata = {
01001712
HP
190 {
191 .virtual = L4_34XX_VIRT,
192 .pfn = __phys_to_pfn(L4_34XX_PHYS),
193 .length = L4_34XX_SIZE,
194 .type = MT_DEVICE
195 },
1e6cb146
AM
196 {
197 .virtual = L4_WK_AM33XX_VIRT,
198 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
199 .length = L4_WK_AM33XX_SIZE,
200 .type = MT_DEVICE
201 }
01001712
HP
202};
203#endif
204
44169075
SS
205#ifdef CONFIG_ARCH_OMAP4
206static struct map_desc omap44xx_io_desc[] __initdata = {
207 {
208 .virtual = L3_44XX_VIRT,
209 .pfn = __phys_to_pfn(L3_44XX_PHYS),
210 .length = L3_44XX_SIZE,
211 .type = MT_DEVICE,
212 },
213 {
214 .virtual = L4_44XX_VIRT,
215 .pfn = __phys_to_pfn(L4_44XX_PHYS),
216 .length = L4_44XX_SIZE,
217 .type = MT_DEVICE,
218 },
44169075
SS
219 {
220 .virtual = L4_PER_44XX_VIRT,
221 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
222 .length = L4_PER_44XX_SIZE,
223 .type = MT_DEVICE,
224 },
137d105d
SS
225#ifdef CONFIG_OMAP4_ERRATA_I688
226 {
227 .virtual = OMAP4_SRAM_VA,
228 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
229 .length = PAGE_SIZE,
230 .type = MT_MEMORY_SO,
231 },
232#endif
233
44169075
SS
234};
235#endif
1dbae815 236
05e152c7
S
237#ifdef CONFIG_SOC_OMAP5
238static struct map_desc omap54xx_io_desc[] __initdata = {
239 {
240 .virtual = L3_54XX_VIRT,
241 .pfn = __phys_to_pfn(L3_54XX_PHYS),
242 .length = L3_54XX_SIZE,
243 .type = MT_DEVICE,
244 },
245 {
246 .virtual = L4_54XX_VIRT,
247 .pfn = __phys_to_pfn(L4_54XX_PHYS),
248 .length = L4_54XX_SIZE,
249 .type = MT_DEVICE,
250 },
251 {
252 .virtual = L4_WK_54XX_VIRT,
253 .pfn = __phys_to_pfn(L4_WK_54XX_PHYS),
254 .length = L4_WK_54XX_SIZE,
255 .type = MT_DEVICE,
256 },
257 {
258 .virtual = L4_PER_54XX_VIRT,
259 .pfn = __phys_to_pfn(L4_PER_54XX_PHYS),
260 .length = L4_PER_54XX_SIZE,
261 .type = MT_DEVICE,
262 },
263};
264#endif
265
59b479e0 266#ifdef CONFIG_SOC_OMAP2420
8185e468 267void __init omap242x_map_common_io(void)
1dbae815 268{
cc26b3b0
SMK
269 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
270 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
6fbd55d0 271}
cc26b3b0
SMK
272#endif
273
59b479e0 274#ifdef CONFIG_SOC_OMAP2430
8185e468 275void __init omap243x_map_common_io(void)
6fbd55d0 276{
cc26b3b0
SMK
277 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
278 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
6fbd55d0 279}
cc26b3b0
SMK
280#endif
281
a8eb7ca0 282#ifdef CONFIG_ARCH_OMAP3
8185e468 283void __init omap34xx_map_common_io(void)
6fbd55d0 284{
cc26b3b0 285 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
6fbd55d0 286}
cc26b3b0 287#endif
120db2cb 288
33959553 289#ifdef CONFIG_SOC_TI81XX
a920360f 290void __init omapti81xx_map_common_io(void)
01001712 291{
a920360f 292 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
01001712
HP
293}
294#endif
295
bb6abcf4 296#ifdef CONFIG_SOC_AM33XX
1e6cb146 297void __init omapam33xx_map_common_io(void)
01001712 298{
1e6cb146 299 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
01001712
HP
300}
301#endif
302
6fbd55d0 303#ifdef CONFIG_ARCH_OMAP4
8185e468 304void __init omap44xx_map_common_io(void)
6fbd55d0 305{
44169075 306 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
2ec1fc4e 307 omap_barriers_init();
120db2cb 308}
6fbd55d0 309#endif
120db2cb 310
05e152c7
S
311#ifdef CONFIG_SOC_OMAP5
312void __init omap5_map_common_io(void)
313{
314 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
315}
316#endif
2f135eaf
PW
317/*
318 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
319 *
320 * Sets the CORE DPLL3 M2 divider to the same value that it's at
321 * currently. This has the effect of setting the SDRC SDRAM AC timing
322 * registers to the values currently defined by the kernel. Currently
323 * only defined for OMAP3; will return 0 if called on OMAP2. Returns
324 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
325 * or passes along the return value of clk_set_rate().
326 */
327static int __init _omap2_init_reprogram_sdrc(void)
328{
329 struct clk *dpll3_m2_ck;
330 int v = -EINVAL;
331 long rate;
332
333 if (!cpu_is_omap34xx())
334 return 0;
335
336 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
e281f7ec 337 if (IS_ERR(dpll3_m2_ck))
2f135eaf
PW
338 return -EINVAL;
339
340 rate = clk_get_rate(dpll3_m2_ck);
341 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
342 v = clk_set_rate(dpll3_m2_ck, rate);
343 if (v)
344 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
345
346 clk_put(dpll3_m2_ck);
347
348 return v;
349}
350
2092e5cc
PW
351static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
352{
353 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
354}
355
7b250aff 356static void __init omap_common_init_early(void)
120db2cb 357{
df80442d 358 omap_init_consistent_dma_size();
7b250aff 359}
2092e5cc 360
7b250aff
TL
361static void __init omap_hwmod_init_postsetup(void)
362{
363 u8 postsetup_state;
2092e5cc
PW
364
365 /* Set the default postsetup state for all hwmods */
366#ifdef CONFIG_PM_RUNTIME
367 postsetup_state = _HWMOD_STATE_IDLE;
368#else
369 postsetup_state = _HWMOD_STATE_ENABLED;
370#endif
371 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
55d2cb08 372
53da4ce2 373 omap_pm_if_early_init();
4805734b
PW
374}
375
16110798 376#ifdef CONFIG_SOC_OMAP2420
8f5b5a41
TL
377void __init omap2420_init_early(void)
378{
4c3cf901 379 omap2_set_globals_242x();
4de34f35 380 omap2xxx_check_revision();
7b250aff
TL
381 omap_common_init_early();
382 omap2xxx_voltagedomains_init();
383 omap242x_powerdomains_init();
384 omap242x_clockdomains_init();
385 omap2420_hwmod_init();
386 omap_hwmod_init_postsetup();
387 omap2420_clk_init();
8f5b5a41 388}
bbd707ac
SG
389
390void __init omap2420_init_late(void)
391{
392 omap_mux_late_init();
393 omap2_common_pm_late_init();
394 omap2_pm_init();
395}
16110798 396#endif
8f5b5a41 397
16110798 398#ifdef CONFIG_SOC_OMAP2430
8f5b5a41
TL
399void __init omap2430_init_early(void)
400{
4c3cf901 401 omap2_set_globals_243x();
4de34f35 402 omap2xxx_check_revision();
7b250aff
TL
403 omap_common_init_early();
404 omap2xxx_voltagedomains_init();
405 omap243x_powerdomains_init();
406 omap243x_clockdomains_init();
407 omap2430_hwmod_init();
408 omap_hwmod_init_postsetup();
409 omap2430_clk_init();
410}
bbd707ac
SG
411
412void __init omap2430_init_late(void)
413{
414 omap_mux_late_init();
415 omap2_common_pm_late_init();
416 omap2_pm_init();
417}
c4e2d245 418#endif
7b250aff
TL
419
420/*
421 * Currently only board-omap3beagle.c should call this because of the
422 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
423 */
c4e2d245 424#ifdef CONFIG_ARCH_OMAP3
7b250aff
TL
425void __init omap3_init_early(void)
426{
4c3cf901 427 omap2_set_globals_3xxx();
4de34f35
VH
428 omap3xxx_check_revision();
429 omap3xxx_check_features();
7b250aff
TL
430 omap_common_init_early();
431 omap3xxx_voltagedomains_init();
432 omap3xxx_powerdomains_init();
433 omap3xxx_clockdomains_init();
434 omap3xxx_hwmod_init();
435 omap_hwmod_init_postsetup();
436 omap3xxx_clk_init();
8f5b5a41
TL
437}
438
439void __init omap3430_init_early(void)
440{
7b250aff 441 omap3_init_early();
8f5b5a41
TL
442}
443
444void __init omap35xx_init_early(void)
445{
7b250aff 446 omap3_init_early();
8f5b5a41
TL
447}
448
449void __init omap3630_init_early(void)
450{
7b250aff 451 omap3_init_early();
8f5b5a41
TL
452}
453
454void __init am35xx_init_early(void)
455{
7b250aff 456 omap3_init_early();
8f5b5a41
TL
457}
458
a920360f 459void __init ti81xx_init_early(void)
8f5b5a41 460{
a920360f 461 omap2_set_globals_ti81xx();
4de34f35
VH
462 omap3xxx_check_revision();
463 ti81xx_check_features();
4c3cf901
TL
464 omap_common_init_early();
465 omap3xxx_voltagedomains_init();
466 omap3xxx_powerdomains_init();
467 omap3xxx_clockdomains_init();
468 omap3xxx_hwmod_init();
469 omap_hwmod_init_postsetup();
470 omap3xxx_clk_init();
8f5b5a41 471}
bbd707ac
SG
472
473void __init omap3_init_late(void)
474{
475 omap_mux_late_init();
476 omap2_common_pm_late_init();
477 omap3_pm_init();
478}
479
480void __init omap3430_init_late(void)
481{
482 omap_mux_late_init();
483 omap2_common_pm_late_init();
484 omap3_pm_init();
485}
486
487void __init omap35xx_init_late(void)
488{
489 omap_mux_late_init();
490 omap2_common_pm_late_init();
491 omap3_pm_init();
492}
493
494void __init omap3630_init_late(void)
495{
496 omap_mux_late_init();
497 omap2_common_pm_late_init();
498 omap3_pm_init();
499}
500
501void __init am35xx_init_late(void)
502{
503 omap_mux_late_init();
504 omap2_common_pm_late_init();
505 omap3_pm_init();
506}
507
508void __init ti81xx_init_late(void)
509{
510 omap_mux_late_init();
511 omap2_common_pm_late_init();
512 omap3_pm_init();
513}
c4e2d245 514#endif
8f5b5a41 515
08f30989
AM
516#ifdef CONFIG_SOC_AM33XX
517void __init am33xx_init_early(void)
518{
519 omap2_set_globals_am33xx();
520 omap3xxx_check_revision();
521 ti81xx_check_features();
522 omap_common_init_early();
ce3fc89a 523 am33xx_voltagedomains_init();
3f0ea764 524 am33xx_powerdomains_init();
9c80f3aa 525 am33xx_clockdomains_init();
e30384ab 526 am33xx_clk_init();
08f30989
AM
527}
528#endif
529
c4e2d245 530#ifdef CONFIG_ARCH_OMAP4
8f5b5a41
TL
531void __init omap4430_init_early(void)
532{
4c3cf901 533 omap2_set_globals_443x();
4de34f35
VH
534 omap4xxx_check_revision();
535 omap4xxx_check_features();
7b250aff
TL
536 omap_common_init_early();
537 omap44xx_voltagedomains_init();
538 omap44xx_powerdomains_init();
539 omap44xx_clockdomains_init();
540 omap44xx_hwmod_init();
541 omap_hwmod_init_postsetup();
542 omap4xxx_clk_init();
8f5b5a41 543}
bbd707ac
SG
544
545void __init omap4430_init_late(void)
546{
547 omap_mux_late_init();
548 omap2_common_pm_late_init();
549 omap4_pm_init();
550}
c4e2d245 551#endif
8f5b5a41 552
05e152c7
S
553#ifdef CONFIG_SOC_OMAP5
554void __init omap5_init_early(void)
555{
556 omap2_set_globals_5xxx();
557 omap5xxx_check_revision();
558 omap_common_init_early();
559}
560#endif
561
a4ca9dbe 562void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
4805734b
PW
563 struct omap_sdrc_params *sdrc_cs1)
564{
a66cb345
TL
565 omap_sram_init();
566
01001712 567 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
aa4b1f6e
KH
568 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
569 _omap2_init_reprogram_sdrc();
570 }
1dbae815 571}