ARM: OMAP5: id: Add cpu id for ES versions
[deliverable/linux.git] / arch / arm / mach-omap2 / io.c
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"
ee0839c2
TL
41#include "clock2xxx.h"
42#include "clock3xxx.h"
43#include "clock44xx.h"
02bfc030 44
1dbae815
TL
45/*
46 * The machine specific code may provide the extra mapping besides the
47 * default mapping provided here.
48 */
cc26b3b0 49
e48f814e 50#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
cc26b3b0 51static struct map_desc omap24xx_io_desc[] __initdata = {
1dbae815
TL
52 {
53 .virtual = L3_24XX_VIRT,
54 .pfn = __phys_to_pfn(L3_24XX_PHYS),
55 .length = L3_24XX_SIZE,
56 .type = MT_DEVICE
57 },
09f21ed4 58 {
cc26b3b0
SMK
59 .virtual = L4_24XX_VIRT,
60 .pfn = __phys_to_pfn(L4_24XX_PHYS),
61 .length = L4_24XX_SIZE,
62 .type = MT_DEVICE
09f21ed4 63 },
cc26b3b0
SMK
64};
65
59b479e0 66#ifdef CONFIG_SOC_OMAP2420
cc26b3b0
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67static struct map_desc omap242x_io_desc[] __initdata = {
68 {
7adb9987
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69 .virtual = DSP_MEM_2420_VIRT,
70 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
71 .length = DSP_MEM_2420_SIZE,
cc26b3b0
SMK
72 .type = MT_DEVICE
73 },
74 {
7adb9987
PW
75 .virtual = DSP_IPI_2420_VIRT,
76 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
77 .length = DSP_IPI_2420_SIZE,
cc26b3b0 78 .type = MT_DEVICE
09f21ed4 79 },
cc26b3b0 80 {
7adb9987
PW
81 .virtual = DSP_MMU_2420_VIRT,
82 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
83 .length = DSP_MMU_2420_SIZE,
cc26b3b0
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84 .type = MT_DEVICE
85 },
86};
87
88#endif
89
59b479e0 90#ifdef CONFIG_SOC_OMAP2430
cc26b3b0 91static struct map_desc omap243x_io_desc[] __initdata = {
72d0f1c3
SMK
92 {
93 .virtual = L4_WK_243X_VIRT,
94 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
95 .length = L4_WK_243X_SIZE,
96 .type = MT_DEVICE
97 },
98 {
99 .virtual = OMAP243X_GPMC_VIRT,
100 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
101 .length = OMAP243X_GPMC_SIZE,
102 .type = MT_DEVICE
103 },
cc26b3b0
SMK
104 {
105 .virtual = OMAP243X_SDRC_VIRT,
106 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
107 .length = OMAP243X_SDRC_SIZE,
108 .type = MT_DEVICE
109 },
110 {
111 .virtual = OMAP243X_SMS_VIRT,
112 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
113 .length = OMAP243X_SMS_SIZE,
114 .type = MT_DEVICE
115 },
116};
72d0f1c3 117#endif
72d0f1c3 118#endif
cc26b3b0 119
a8eb7ca0 120#ifdef CONFIG_ARCH_OMAP3
cc26b3b0 121static struct map_desc omap34xx_io_desc[] __initdata = {
1dbae815 122 {
cc26b3b0
SMK
123 .virtual = L3_34XX_VIRT,
124 .pfn = __phys_to_pfn(L3_34XX_PHYS),
125 .length = L3_34XX_SIZE,
c40fae95
TL
126 .type = MT_DEVICE
127 },
128 {
cc26b3b0
SMK
129 .virtual = L4_34XX_VIRT,
130 .pfn = __phys_to_pfn(L4_34XX_PHYS),
131 .length = L4_34XX_SIZE,
c40fae95
TL
132 .type = MT_DEVICE
133 },
cc26b3b0
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134 {
135 .virtual = OMAP34XX_GPMC_VIRT,
136 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
137 .length = OMAP34XX_GPMC_SIZE,
1dbae815 138 .type = MT_DEVICE
cc26b3b0
SMK
139 },
140 {
141 .virtual = OMAP343X_SMS_VIRT,
142 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
143 .length = OMAP343X_SMS_SIZE,
144 .type = MT_DEVICE
145 },
146 {
147 .virtual = OMAP343X_SDRC_VIRT,
148 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
149 .length = OMAP343X_SDRC_SIZE,
1dbae815 150 .type = MT_DEVICE
cc26b3b0
SMK
151 },
152 {
153 .virtual = L4_PER_34XX_VIRT,
154 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
155 .length = L4_PER_34XX_SIZE,
156 .type = MT_DEVICE
157 },
158 {
159 .virtual = L4_EMU_34XX_VIRT,
160 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
161 .length = L4_EMU_34XX_SIZE,
162 .type = MT_DEVICE
163 },
a4f57b81
TL
164#if defined(CONFIG_DEBUG_LL) && \
165 (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
166 {
167 .virtual = ZOOM_UART_VIRT,
168 .pfn = __phys_to_pfn(ZOOM_UART_BASE),
169 .length = SZ_1M,
170 .type = MT_DEVICE
171 },
172#endif
1dbae815 173};
cc26b3b0 174#endif
01001712 175
33959553 176#ifdef CONFIG_SOC_TI81XX
a920360f 177static struct map_desc omapti81xx_io_desc[] __initdata = {
1e6cb146
AM
178 {
179 .virtual = L4_34XX_VIRT,
180 .pfn = __phys_to_pfn(L4_34XX_PHYS),
181 .length = L4_34XX_SIZE,
182 .type = MT_DEVICE
183 }
184};
185#endif
186
bb6abcf4 187#ifdef CONFIG_SOC_AM33XX
1e6cb146 188static struct map_desc omapam33xx_io_desc[] __initdata = {
01001712
HP
189 {
190 .virtual = L4_34XX_VIRT,
191 .pfn = __phys_to_pfn(L4_34XX_PHYS),
192 .length = L4_34XX_SIZE,
193 .type = MT_DEVICE
194 },
1e6cb146
AM
195 {
196 .virtual = L4_WK_AM33XX_VIRT,
197 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
198 .length = L4_WK_AM33XX_SIZE,
199 .type = MT_DEVICE
200 }
01001712
HP
201};
202#endif
203
44169075
SS
204#ifdef CONFIG_ARCH_OMAP4
205static struct map_desc omap44xx_io_desc[] __initdata = {
206 {
207 .virtual = L3_44XX_VIRT,
208 .pfn = __phys_to_pfn(L3_44XX_PHYS),
209 .length = L3_44XX_SIZE,
210 .type = MT_DEVICE,
211 },
212 {
213 .virtual = L4_44XX_VIRT,
214 .pfn = __phys_to_pfn(L4_44XX_PHYS),
215 .length = L4_44XX_SIZE,
216 .type = MT_DEVICE,
217 },
44169075
SS
218 {
219 .virtual = L4_PER_44XX_VIRT,
220 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
221 .length = L4_PER_44XX_SIZE,
222 .type = MT_DEVICE,
223 },
137d105d
SS
224#ifdef CONFIG_OMAP4_ERRATA_I688
225 {
226 .virtual = OMAP4_SRAM_VA,
227 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
228 .length = PAGE_SIZE,
229 .type = MT_MEMORY_SO,
230 },
231#endif
232
44169075
SS
233};
234#endif
1dbae815 235
59b479e0 236#ifdef CONFIG_SOC_OMAP2420
8185e468 237void __init omap242x_map_common_io(void)
1dbae815 238{
cc26b3b0
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239 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
240 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
6fbd55d0 241}
cc26b3b0
SMK
242#endif
243
59b479e0 244#ifdef CONFIG_SOC_OMAP2430
8185e468 245void __init omap243x_map_common_io(void)
6fbd55d0 246{
cc26b3b0
SMK
247 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
248 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
6fbd55d0 249}
cc26b3b0
SMK
250#endif
251
a8eb7ca0 252#ifdef CONFIG_ARCH_OMAP3
8185e468 253void __init omap34xx_map_common_io(void)
6fbd55d0 254{
cc26b3b0 255 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
6fbd55d0 256}
cc26b3b0 257#endif
120db2cb 258
33959553 259#ifdef CONFIG_SOC_TI81XX
a920360f 260void __init omapti81xx_map_common_io(void)
01001712 261{
a920360f 262 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
01001712
HP
263}
264#endif
265
bb6abcf4 266#ifdef CONFIG_SOC_AM33XX
1e6cb146 267void __init omapam33xx_map_common_io(void)
01001712 268{
1e6cb146 269 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
01001712
HP
270}
271#endif
272
6fbd55d0 273#ifdef CONFIG_ARCH_OMAP4
8185e468 274void __init omap44xx_map_common_io(void)
6fbd55d0 275{
44169075 276 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
2ec1fc4e 277 omap_barriers_init();
120db2cb 278}
6fbd55d0 279#endif
120db2cb 280
2f135eaf
PW
281/*
282 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
283 *
284 * Sets the CORE DPLL3 M2 divider to the same value that it's at
285 * currently. This has the effect of setting the SDRC SDRAM AC timing
286 * registers to the values currently defined by the kernel. Currently
287 * only defined for OMAP3; will return 0 if called on OMAP2. Returns
288 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
289 * or passes along the return value of clk_set_rate().
290 */
291static int __init _omap2_init_reprogram_sdrc(void)
292{
293 struct clk *dpll3_m2_ck;
294 int v = -EINVAL;
295 long rate;
296
297 if (!cpu_is_omap34xx())
298 return 0;
299
300 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
e281f7ec 301 if (IS_ERR(dpll3_m2_ck))
2f135eaf
PW
302 return -EINVAL;
303
304 rate = clk_get_rate(dpll3_m2_ck);
305 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
306 v = clk_set_rate(dpll3_m2_ck, rate);
307 if (v)
308 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
309
310 clk_put(dpll3_m2_ck);
311
312 return v;
313}
314
2092e5cc
PW
315static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
316{
317 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
318}
319
7b250aff 320static void __init omap_common_init_early(void)
120db2cb 321{
df80442d 322 omap_init_consistent_dma_size();
7b250aff 323}
2092e5cc 324
7b250aff
TL
325static void __init omap_hwmod_init_postsetup(void)
326{
327 u8 postsetup_state;
2092e5cc
PW
328
329 /* Set the default postsetup state for all hwmods */
330#ifdef CONFIG_PM_RUNTIME
331 postsetup_state = _HWMOD_STATE_IDLE;
332#else
333 postsetup_state = _HWMOD_STATE_ENABLED;
334#endif
335 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
55d2cb08 336
53da4ce2 337 omap_pm_if_early_init();
4805734b
PW
338}
339
16110798 340#ifdef CONFIG_SOC_OMAP2420
8f5b5a41
TL
341void __init omap2420_init_early(void)
342{
4c3cf901 343 omap2_set_globals_242x();
4de34f35 344 omap2xxx_check_revision();
7b250aff
TL
345 omap_common_init_early();
346 omap2xxx_voltagedomains_init();
347 omap242x_powerdomains_init();
348 omap242x_clockdomains_init();
349 omap2420_hwmod_init();
350 omap_hwmod_init_postsetup();
351 omap2420_clk_init();
8f5b5a41 352}
bbd707ac
SG
353
354void __init omap2420_init_late(void)
355{
356 omap_mux_late_init();
357 omap2_common_pm_late_init();
358 omap2_pm_init();
359}
16110798 360#endif
8f5b5a41 361
16110798 362#ifdef CONFIG_SOC_OMAP2430
8f5b5a41
TL
363void __init omap2430_init_early(void)
364{
4c3cf901 365 omap2_set_globals_243x();
4de34f35 366 omap2xxx_check_revision();
7b250aff
TL
367 omap_common_init_early();
368 omap2xxx_voltagedomains_init();
369 omap243x_powerdomains_init();
370 omap243x_clockdomains_init();
371 omap2430_hwmod_init();
372 omap_hwmod_init_postsetup();
373 omap2430_clk_init();
374}
bbd707ac
SG
375
376void __init omap2430_init_late(void)
377{
378 omap_mux_late_init();
379 omap2_common_pm_late_init();
380 omap2_pm_init();
381}
c4e2d245 382#endif
7b250aff
TL
383
384/*
385 * Currently only board-omap3beagle.c should call this because of the
386 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
387 */
c4e2d245 388#ifdef CONFIG_ARCH_OMAP3
7b250aff
TL
389void __init omap3_init_early(void)
390{
4c3cf901 391 omap2_set_globals_3xxx();
4de34f35
VH
392 omap3xxx_check_revision();
393 omap3xxx_check_features();
7b250aff
TL
394 omap_common_init_early();
395 omap3xxx_voltagedomains_init();
396 omap3xxx_powerdomains_init();
397 omap3xxx_clockdomains_init();
398 omap3xxx_hwmod_init();
399 omap_hwmod_init_postsetup();
400 omap3xxx_clk_init();
8f5b5a41
TL
401}
402
403void __init omap3430_init_early(void)
404{
7b250aff 405 omap3_init_early();
8f5b5a41
TL
406}
407
408void __init omap35xx_init_early(void)
409{
7b250aff 410 omap3_init_early();
8f5b5a41
TL
411}
412
413void __init omap3630_init_early(void)
414{
7b250aff 415 omap3_init_early();
8f5b5a41
TL
416}
417
418void __init am35xx_init_early(void)
419{
7b250aff 420 omap3_init_early();
8f5b5a41
TL
421}
422
a920360f 423void __init ti81xx_init_early(void)
8f5b5a41 424{
a920360f 425 omap2_set_globals_ti81xx();
4de34f35
VH
426 omap3xxx_check_revision();
427 ti81xx_check_features();
4c3cf901
TL
428 omap_common_init_early();
429 omap3xxx_voltagedomains_init();
430 omap3xxx_powerdomains_init();
431 omap3xxx_clockdomains_init();
432 omap3xxx_hwmod_init();
433 omap_hwmod_init_postsetup();
434 omap3xxx_clk_init();
8f5b5a41 435}
bbd707ac
SG
436
437void __init omap3_init_late(void)
438{
439 omap_mux_late_init();
440 omap2_common_pm_late_init();
441 omap3_pm_init();
442}
443
444void __init omap3430_init_late(void)
445{
446 omap_mux_late_init();
447 omap2_common_pm_late_init();
448 omap3_pm_init();
449}
450
451void __init omap35xx_init_late(void)
452{
453 omap_mux_late_init();
454 omap2_common_pm_late_init();
455 omap3_pm_init();
456}
457
458void __init omap3630_init_late(void)
459{
460 omap_mux_late_init();
461 omap2_common_pm_late_init();
462 omap3_pm_init();
463}
464
465void __init am35xx_init_late(void)
466{
467 omap_mux_late_init();
468 omap2_common_pm_late_init();
469 omap3_pm_init();
470}
471
472void __init ti81xx_init_late(void)
473{
474 omap_mux_late_init();
475 omap2_common_pm_late_init();
476 omap3_pm_init();
477}
c4e2d245 478#endif
8f5b5a41 479
08f30989
AM
480#ifdef CONFIG_SOC_AM33XX
481void __init am33xx_init_early(void)
482{
483 omap2_set_globals_am33xx();
484 omap3xxx_check_revision();
485 ti81xx_check_features();
486 omap_common_init_early();
ce3fc89a 487 am33xx_voltagedomains_init();
3f0ea764 488 am33xx_powerdomains_init();
9c80f3aa 489 am33xx_clockdomains_init();
08f30989
AM
490}
491#endif
492
c4e2d245 493#ifdef CONFIG_ARCH_OMAP4
8f5b5a41
TL
494void __init omap4430_init_early(void)
495{
4c3cf901 496 omap2_set_globals_443x();
4de34f35
VH
497 omap4xxx_check_revision();
498 omap4xxx_check_features();
7b250aff
TL
499 omap_common_init_early();
500 omap44xx_voltagedomains_init();
501 omap44xx_powerdomains_init();
502 omap44xx_clockdomains_init();
503 omap44xx_hwmod_init();
504 omap_hwmod_init_postsetup();
505 omap4xxx_clk_init();
8f5b5a41 506}
bbd707ac
SG
507
508void __init omap4430_init_late(void)
509{
510 omap_mux_late_init();
511 omap2_common_pm_late_init();
512 omap4_pm_init();
513}
c4e2d245 514#endif
8f5b5a41 515
a4ca9dbe 516void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
4805734b
PW
517 struct omap_sdrc_params *sdrc_cs1)
518{
a66cb345
TL
519 omap_sram_init();
520
01001712 521 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
aa4b1f6e
KH
522 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
523 _omap2_init_reprogram_sdrc();
524 }
1dbae815 525}
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