arch/arm/mach-omap2/io.c

   1 /*
   2  * linux/arch/arm/mach-omap2/io.c
   3  *
   4  * OMAP2 I/O mapping code
   5  *
   6  * Copyright (C) 2005 Nokia Corporation
   7  * Copyright (C) 2007-2009 Texas Instruments
   8  *
   9  * Author:
  10  *      Juha Yrjola <juha.yrjola@nokia.com>
  11  *      Syed Khasim <x0khasim@ti.com>
  12  *
  13  * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  14  *
  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  */
  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 "omap-pm.h"
  41 #include "sdrc.h"
  42 #include "control.h"
  43 #include "serial.h"
  44 #include "sram.h"
  45 #include "cm2xxx.h"
  46 #include "cm3xxx.h"
  47 #include "cm33xx.h"
  48 #include "cm44xx.h"
  49 #include "prm.h"
  50 #include "cm.h"
  51 #include "prcm_mpu44xx.h"
  52 #include "prminst44xx.h"
  53 #include "prm2xxx.h"
  54 #include "prm3xxx.h"
  55 #include "prm33xx.h"
  56 #include "prm44xx.h"
  57 #include "opp2xxx.h"
  58
  59 /*
  60  * omap_clk_soc_init: points to a function that does the SoC-specific
  61  * clock initializations
  62  */
  63 static int (*omap_clk_soc_init)(void);
  64
  65 /*
  66  * The machine specific code may provide the extra mapping besides the
  67  * default mapping provided here.
  68  */
  69
  70 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
  71 static struct map_desc omap24xx_io_desc[] __initdata = {
  72         {
  73                 .virtual        = L3_24XX_VIRT,
  74                 .pfn            = __phys_to_pfn(L3_24XX_PHYS),
  75                 .length         = L3_24XX_SIZE,
  76                 .type           = MT_DEVICE
  77         },
  78         {
  79                 .virtual        = L4_24XX_VIRT,
  80                 .pfn            = __phys_to_pfn(L4_24XX_PHYS),
  81                 .length         = L4_24XX_SIZE,
  82                 .type           = MT_DEVICE
  83         },
  84 };
  85
  86 #ifdef CONFIG_SOC_OMAP2420
  87 static struct map_desc omap242x_io_desc[] __initdata = {
  88         {
  89                 .virtual        = DSP_MEM_2420_VIRT,
  90                 .pfn            = __phys_to_pfn(DSP_MEM_2420_PHYS),
  91                 .length         = DSP_MEM_2420_SIZE,
  92                 .type           = MT_DEVICE
  93         },
  94         {
  95                 .virtual        = DSP_IPI_2420_VIRT,
  96                 .pfn            = __phys_to_pfn(DSP_IPI_2420_PHYS),
  97                 .length         = DSP_IPI_2420_SIZE,
  98                 .type           = MT_DEVICE
  99         },
 100         {
 101                 .virtual        = DSP_MMU_2420_VIRT,
 102                 .pfn            = __phys_to_pfn(DSP_MMU_2420_PHYS),
 103                 .length         = DSP_MMU_2420_SIZE,
 104                 .type           = MT_DEVICE
 105         },
 106 };
 107
 108 #endif
 109
 110 #ifdef CONFIG_SOC_OMAP2430
 111 static struct map_desc omap243x_io_desc[] __initdata = {
 112         {
 113                 .virtual        = L4_WK_243X_VIRT,
 114                 .pfn            = __phys_to_pfn(L4_WK_243X_PHYS),
 115                 .length         = L4_WK_243X_SIZE,
 116                 .type           = MT_DEVICE
 117         },
 118         {
 119                 .virtual        = OMAP243X_GPMC_VIRT,
 120                 .pfn            = __phys_to_pfn(OMAP243X_GPMC_PHYS),
 121                 .length         = OMAP243X_GPMC_SIZE,
 122                 .type           = MT_DEVICE
 123         },
 124         {
 125                 .virtual        = OMAP243X_SDRC_VIRT,
 126                 .pfn            = __phys_to_pfn(OMAP243X_SDRC_PHYS),
 127                 .length         = OMAP243X_SDRC_SIZE,
 128                 .type           = MT_DEVICE
 129         },
 130         {
 131                 .virtual        = OMAP243X_SMS_VIRT,
 132                 .pfn            = __phys_to_pfn(OMAP243X_SMS_PHYS),
 133                 .length         = OMAP243X_SMS_SIZE,
 134                 .type           = MT_DEVICE
 135         },
 136 };
 137 #endif
 138 #endif
 139
 140 #ifdef  CONFIG_ARCH_OMAP3
 141 static struct map_desc omap34xx_io_desc[] __initdata = {
 142         {
 143                 .virtual        = L3_34XX_VIRT,
 144                 .pfn            = __phys_to_pfn(L3_34XX_PHYS),
 145                 .length         = L3_34XX_SIZE,
 146                 .type           = MT_DEVICE
 147         },
 148         {
 149                 .virtual        = L4_34XX_VIRT,
 150                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 151                 .length         = L4_34XX_SIZE,
 152                 .type           = MT_DEVICE
 153         },
 154         {
 155                 .virtual        = OMAP34XX_GPMC_VIRT,
 156                 .pfn            = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
 157                 .length         = OMAP34XX_GPMC_SIZE,
 158                 .type           = MT_DEVICE
 159         },
 160         {
 161                 .virtual        = OMAP343X_SMS_VIRT,
 162                 .pfn            = __phys_to_pfn(OMAP343X_SMS_PHYS),
 163                 .length         = OMAP343X_SMS_SIZE,
 164                 .type           = MT_DEVICE
 165         },
 166         {
 167                 .virtual        = OMAP343X_SDRC_VIRT,
 168                 .pfn            = __phys_to_pfn(OMAP343X_SDRC_PHYS),
 169                 .length         = OMAP343X_SDRC_SIZE,
 170                 .type           = MT_DEVICE
 171         },
 172         {
 173                 .virtual        = L4_PER_34XX_VIRT,
 174                 .pfn            = __phys_to_pfn(L4_PER_34XX_PHYS),
 175                 .length         = L4_PER_34XX_SIZE,
 176                 .type           = MT_DEVICE
 177         },
 178         {
 179                 .virtual        = L4_EMU_34XX_VIRT,
 180                 .pfn            = __phys_to_pfn(L4_EMU_34XX_PHYS),
 181                 .length         = L4_EMU_34XX_SIZE,
 182                 .type           = MT_DEVICE
 183         },
 184 };
 185 #endif
 186
 187 #ifdef CONFIG_SOC_TI81XX
 188 static struct map_desc omapti81xx_io_desc[] __initdata = {
 189         {
 190                 .virtual        = L4_34XX_VIRT,
 191                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 192                 .length         = L4_34XX_SIZE,
 193                 .type           = MT_DEVICE
 194         }
 195 };
 196 #endif
 197
 198 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 199 static struct map_desc omapam33xx_io_desc[] __initdata = {
 200         {
 201                 .virtual        = L4_34XX_VIRT,
 202                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 203                 .length         = L4_34XX_SIZE,
 204                 .type           = MT_DEVICE
 205         },
 206         {
 207                 .virtual        = L4_WK_AM33XX_VIRT,
 208                 .pfn            = __phys_to_pfn(L4_WK_AM33XX_PHYS),
 209                 .length         = L4_WK_AM33XX_SIZE,
 210                 .type           = MT_DEVICE
 211         }
 212 };
 213 #endif
 214
 215 #ifdef  CONFIG_ARCH_OMAP4
 216 static struct map_desc omap44xx_io_desc[] __initdata = {
 217         {
 218                 .virtual        = L3_44XX_VIRT,
 219                 .pfn            = __phys_to_pfn(L3_44XX_PHYS),
 220                 .length         = L3_44XX_SIZE,
 221                 .type           = MT_DEVICE,
 222         },
 223         {
 224                 .virtual        = L4_44XX_VIRT,
 225                 .pfn            = __phys_to_pfn(L4_44XX_PHYS),
 226                 .length         = L4_44XX_SIZE,
 227                 .type           = MT_DEVICE,
 228         },
 229         {
 230                 .virtual        = L4_PER_44XX_VIRT,
 231                 .pfn            = __phys_to_pfn(L4_PER_44XX_PHYS),
 232                 .length         = L4_PER_44XX_SIZE,
 233                 .type           = MT_DEVICE,
 234         },
 235 };
 236 #endif
 237
 238 #ifdef CONFIG_SOC_OMAP5
 239 static struct map_desc omap54xx_io_desc[] __initdata = {
 240         {
 241                 .virtual        = L3_54XX_VIRT,
 242                 .pfn            = __phys_to_pfn(L3_54XX_PHYS),
 243                 .length         = L3_54XX_SIZE,
 244                 .type           = MT_DEVICE,
 245         },
 246         {
 247                 .virtual        = L4_54XX_VIRT,
 248                 .pfn            = __phys_to_pfn(L4_54XX_PHYS),
 249                 .length         = L4_54XX_SIZE,
 250                 .type           = MT_DEVICE,
 251         },
 252         {
 253                 .virtual        = L4_WK_54XX_VIRT,
 254                 .pfn            = __phys_to_pfn(L4_WK_54XX_PHYS),
 255                 .length         = L4_WK_54XX_SIZE,
 256                 .type           = MT_DEVICE,
 257         },
 258         {
 259                 .virtual        = L4_PER_54XX_VIRT,
 260                 .pfn            = __phys_to_pfn(L4_PER_54XX_PHYS),
 261                 .length         = L4_PER_54XX_SIZE,
 262                 .type           = MT_DEVICE,
 263         },
 264 };
 265 #endif
 266
 267 #ifdef CONFIG_SOC_DRA7XX
 268 static struct map_desc dra7xx_io_desc[] __initdata = {
 269         {
 270                 .virtual        = L4_CFG_MPU_DRA7XX_VIRT,
 271                 .pfn            = __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
 272                 .length         = L4_CFG_MPU_DRA7XX_SIZE,
 273                 .type           = MT_DEVICE,
 274         },
 275         {
 276                 .virtual        = L3_MAIN_SN_DRA7XX_VIRT,
 277                 .pfn            = __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
 278                 .length         = L3_MAIN_SN_DRA7XX_SIZE,
 279                 .type           = MT_DEVICE,
 280         },
 281         {
 282                 .virtual        = L4_PER1_DRA7XX_VIRT,
 283                 .pfn            = __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
 284                 .length         = L4_PER1_DRA7XX_SIZE,
 285                 .type           = MT_DEVICE,
 286         },
 287         {
 288                 .virtual        = L4_PER2_DRA7XX_VIRT,
 289                 .pfn            = __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
 290                 .length         = L4_PER2_DRA7XX_SIZE,
 291                 .type           = MT_DEVICE,
 292         },
 293         {
 294                 .virtual        = L4_PER3_DRA7XX_VIRT,
 295                 .pfn            = __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
 296                 .length         = L4_PER3_DRA7XX_SIZE,
 297                 .type           = MT_DEVICE,
 298         },
 299         {
 300                 .virtual        = L4_CFG_DRA7XX_VIRT,
 301                 .pfn            = __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
 302                 .length         = L4_CFG_DRA7XX_SIZE,
 303                 .type           = MT_DEVICE,
 304         },
 305         {
 306                 .virtual        = L4_WKUP_DRA7XX_VIRT,
 307                 .pfn            = __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
 308                 .length         = L4_WKUP_DRA7XX_SIZE,
 309                 .type           = MT_DEVICE,
 310         },
 311 };
 312 #endif
 313
 314 #ifdef CONFIG_SOC_OMAP2420
 315 void __init omap242x_map_io(void)
 316 {
 317         iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 318         iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
 319 }
 320 #endif
 321
 322 #ifdef CONFIG_SOC_OMAP2430
 323 void __init omap243x_map_io(void)
 324 {
 325         iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 326         iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
 327 }
 328 #endif
 329
 330 #ifdef CONFIG_ARCH_OMAP3
 331 void __init omap3_map_io(void)
 332 {
 333         iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
 334 }
 335 #endif
 336
 337 #ifdef CONFIG_SOC_TI81XX
 338 void __init ti81xx_map_io(void)
 339 {
 340         iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
 341 }
 342 #endif
 343
 344 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 345 void __init am33xx_map_io(void)
 346 {
 347         iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
 348 }
 349 #endif
 350
 351 #ifdef CONFIG_ARCH_OMAP4
 352 void __init omap4_map_io(void)
 353 {
 354         iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
 355         omap_barriers_init();
 356 }
 357 #endif
 358
 359 #ifdef CONFIG_SOC_OMAP5
 360 void __init omap5_map_io(void)
 361 {
 362         iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
 363         omap_barriers_init();
 364 }
 365 #endif
 366
 367 #ifdef CONFIG_SOC_DRA7XX
 368 void __init dra7xx_map_io(void)
 369 {
 370         iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
 371         omap_barriers_init();
 372 }
 373 #endif
 374 /*
 375  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
 376  *
 377  * Sets the CORE DPLL3 M2 divider to the same value that it's at
 378  * currently.  This has the effect of setting the SDRC SDRAM AC timing
 379  * registers to the values currently defined by the kernel.  Currently
 380  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
 381  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
 382  * or passes along the return value of clk_set_rate().
 383  */
 384 static int __init _omap2_init_reprogram_sdrc(void)
 385 {
 386         struct clk *dpll3_m2_ck;
 387         int v = -EINVAL;
 388         long rate;
 389
 390         if (!cpu_is_omap34xx())
 391                 return 0;
 392
 393         dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
 394         if (IS_ERR(dpll3_m2_ck))
 395                 return -EINVAL;
 396
 397         rate = clk_get_rate(dpll3_m2_ck);
 398         pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
 399         v = clk_set_rate(dpll3_m2_ck, rate);
 400         if (v)
 401                 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
 402
 403         clk_put(dpll3_m2_ck);
 404
 405         return v;
 406 }
 407
 408 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
 409 {
 410         return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
 411 }
 412
 413 static void __init __maybe_unused omap_hwmod_init_postsetup(void)
 414 {
 415         u8 postsetup_state;
 416
 417         /* Set the default postsetup state for all hwmods */
 418 #ifdef CONFIG_PM
 419         postsetup_state = _HWMOD_STATE_IDLE;
 420 #else
 421         postsetup_state = _HWMOD_STATE_ENABLED;
 422 #endif
 423         omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
 424
 425         omap_pm_if_early_init();
 426 }
 427
 428 static void __init __maybe_unused omap_common_late_init(void)
 429 {
 430         omap2_common_pm_late_init();
 431         omap_soc_device_init();
 432 }
 433
 434 #ifdef CONFIG_SOC_OMAP2420
 435 void __init omap2420_init_early(void)
 436 {
 437         omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
 438         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
 439                                OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
 440         omap2_control_base_init();
 441         omap2xxx_check_revision();
 442         omap2_prcm_base_init();
 443         omap2xxx_voltagedomains_init();
 444         omap242x_powerdomains_init();
 445         omap242x_clockdomains_init();
 446         omap2420_hwmod_init();
 447         omap_hwmod_init_postsetup();
 448         omap_clk_soc_init = omap2420_dt_clk_init;
 449         rate_table = omap2420_rate_table;
 450 }
 451
 452 void __init omap2420_init_late(void)
 453 {
 454         omap_common_late_init();
 455         omap2_pm_init();
 456         omap2_clk_enable_autoidle_all();
 457 }
 458 #endif
 459
 460 #ifdef CONFIG_SOC_OMAP2430
 461 void __init omap2430_init_early(void)
 462 {
 463         omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
 464         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
 465                                OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
 466         omap2_control_base_init();
 467         omap2xxx_check_revision();
 468         omap2_prcm_base_init();
 469         omap2xxx_voltagedomains_init();
 470         omap243x_powerdomains_init();
 471         omap243x_clockdomains_init();
 472         omap2430_hwmod_init();
 473         omap_hwmod_init_postsetup();
 474         omap_clk_soc_init = omap2430_dt_clk_init;
 475         rate_table = omap2430_rate_table;
 476 }
 477
 478 void __init omap2430_init_late(void)
 479 {
 480         omap_common_late_init();
 481         omap2_pm_init();
 482         omap2_clk_enable_autoidle_all();
 483 }
 484 #endif
 485
 486 /*
 487  * Currently only board-omap3beagle.c should call this because of the
 488  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
 489  */
 490 #ifdef CONFIG_ARCH_OMAP3
 491 void __init omap3_init_early(void)
 492 {
 493         omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
 494         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
 495                                OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
 496         omap2_control_base_init();
 497         omap3xxx_check_revision();
 498         omap3xxx_check_features();
 499         omap2_prcm_base_init();
 500         omap3xxx_voltagedomains_init();
 501         omap3xxx_powerdomains_init();
 502         omap3xxx_clockdomains_init();
 503         omap3xxx_hwmod_init();
 504         omap_hwmod_init_postsetup();
 505 }
 506
 507 void __init omap3430_init_early(void)
 508 {
 509         omap3_init_early();
 510         omap_clk_soc_init = omap3430_dt_clk_init;
 511 }
 512
 513 void __init omap35xx_init_early(void)
 514 {
 515         omap3_init_early();
 516         omap_clk_soc_init = omap3430_dt_clk_init;
 517 }
 518
 519 void __init omap3630_init_early(void)
 520 {
 521         omap3_init_early();
 522         omap_clk_soc_init = omap3630_dt_clk_init;
 523 }
 524
 525 void __init am35xx_init_early(void)
 526 {
 527         omap3_init_early();
 528         omap_clk_soc_init = am35xx_dt_clk_init;
 529 }
 530
 531 void __init omap3_init_late(void)
 532 {
 533         omap_common_late_init();
 534         omap3_pm_init();
 535         omap2_clk_enable_autoidle_all();
 536 }
 537
 538 void __init omap3430_init_late(void)
 539 {
 540         omap_common_late_init();
 541         omap3_pm_init();
 542         omap2_clk_enable_autoidle_all();
 543 }
 544
 545 void __init omap35xx_init_late(void)
 546 {
 547         omap_common_late_init();
 548         omap3_pm_init();
 549         omap2_clk_enable_autoidle_all();
 550 }
 551
 552 void __init omap3630_init_late(void)
 553 {
 554         omap_common_late_init();
 555         omap3_pm_init();
 556         omap2_clk_enable_autoidle_all();
 557 }
 558
 559 void __init am35xx_init_late(void)
 560 {
 561         omap_common_late_init();
 562         omap3_pm_init();
 563         omap2_clk_enable_autoidle_all();
 564 }
 565
 566 void __init ti81xx_init_late(void)
 567 {
 568         omap_common_late_init();
 569         omap2_clk_enable_autoidle_all();
 570 }
 571 #endif
 572
 573 #ifdef CONFIG_SOC_TI81XX
 574 void __init ti814x_init_early(void)
 575 {
 576         omap2_set_globals_tap(TI814X_CLASS,
 577                               OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
 578         omap2_control_base_init();
 579         omap3xxx_check_revision();
 580         ti81xx_check_features();
 581         omap2_prcm_base_init();
 582         omap3xxx_voltagedomains_init();
 583         omap3xxx_powerdomains_init();
 584         ti814x_clockdomains_init();
 585         dm814x_hwmod_init();
 586         omap_hwmod_init_postsetup();
 587         omap_clk_soc_init = dm814x_dt_clk_init;
 588 }
 589
 590 void __init ti816x_init_early(void)
 591 {
 592         omap2_set_globals_tap(TI816X_CLASS,
 593                               OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
 594         omap2_control_base_init();
 595         omap3xxx_check_revision();
 596         ti81xx_check_features();
 597         omap2_prcm_base_init();
 598         omap3xxx_voltagedomains_init();
 599         omap3xxx_powerdomains_init();
 600         ti816x_clockdomains_init();
 601         dm816x_hwmod_init();
 602         omap_hwmod_init_postsetup();
 603         omap_clk_soc_init = dm816x_dt_clk_init;
 604 }
 605 #endif
 606
 607 #ifdef CONFIG_SOC_AM33XX
 608 void __init am33xx_init_early(void)
 609 {
 610         omap2_set_globals_tap(AM335X_CLASS,
 611                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 612         omap2_control_base_init();
 613         omap3xxx_check_revision();
 614         am33xx_check_features();
 615         omap2_prcm_base_init();
 616         am33xx_powerdomains_init();
 617         am33xx_clockdomains_init();
 618         am33xx_hwmod_init();
 619         omap_hwmod_init_postsetup();
 620         omap_clk_soc_init = am33xx_dt_clk_init;
 621 }
 622
 623 void __init am33xx_init_late(void)
 624 {
 625         omap_common_late_init();
 626 }
 627 #endif
 628
 629 #ifdef CONFIG_SOC_AM43XX
 630 void __init am43xx_init_early(void)
 631 {
 632         omap2_set_globals_tap(AM335X_CLASS,
 633                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 634         omap2_control_base_init();
 635         omap3xxx_check_revision();
 636         am33xx_check_features();
 637         omap2_prcm_base_init();
 638         am43xx_powerdomains_init();
 639         am43xx_clockdomains_init();
 640         am43xx_hwmod_init();
 641         omap_hwmod_init_postsetup();
 642         omap_l2_cache_init();
 643         omap_clk_soc_init = am43xx_dt_clk_init;
 644 }
 645
 646 void __init am43xx_init_late(void)
 647 {
 648         omap_common_late_init();
 649         omap2_clk_enable_autoidle_all();
 650 }
 651 #endif
 652
 653 #ifdef CONFIG_ARCH_OMAP4
 654 void __init omap4430_init_early(void)
 655 {
 656         omap2_set_globals_tap(OMAP443X_CLASS,
 657                               OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
 658         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
 659         omap2_control_base_init();
 660         omap4xxx_check_revision();
 661         omap4xxx_check_features();
 662         omap2_prcm_base_init();
 663         omap4_sar_ram_init();
 664         omap4_mpuss_early_init();
 665         omap4_pm_init_early();
 666         omap44xx_voltagedomains_init();
 667         omap44xx_powerdomains_init();
 668         omap44xx_clockdomains_init();
 669         omap44xx_hwmod_init();
 670         omap_hwmod_init_postsetup();
 671         omap_l2_cache_init();
 672         omap_clk_soc_init = omap4xxx_dt_clk_init;
 673 }
 674
 675 void __init omap4430_init_late(void)
 676 {
 677         omap_common_late_init();
 678         omap4_pm_init();
 679         omap2_clk_enable_autoidle_all();
 680 }
 681 #endif
 682
 683 #ifdef CONFIG_SOC_OMAP5
 684 void __init omap5_init_early(void)
 685 {
 686         omap2_set_globals_tap(OMAP54XX_CLASS,
 687                               OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
 688         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 689         omap2_control_base_init();
 690         omap2_prcm_base_init();
 691         omap5xxx_check_revision();
 692         omap4_sar_ram_init();
 693         omap4_mpuss_early_init();
 694         omap4_pm_init_early();
 695         omap54xx_voltagedomains_init();
 696         omap54xx_powerdomains_init();
 697         omap54xx_clockdomains_init();
 698         omap54xx_hwmod_init();
 699         omap_hwmod_init_postsetup();
 700         omap_clk_soc_init = omap5xxx_dt_clk_init;
 701 }
 702
 703 void __init omap5_init_late(void)
 704 {
 705         omap_common_late_init();
 706         omap4_pm_init();
 707         omap2_clk_enable_autoidle_all();
 708 }
 709 #endif
 710
 711 #ifdef CONFIG_SOC_DRA7XX
 712 void __init dra7xx_init_early(void)
 713 {
 714         omap2_set_globals_tap(DRA7XX_CLASS,
 715                               OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
 716         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 717         omap2_control_base_init();
 718         omap4_pm_init_early();
 719         omap2_prcm_base_init();
 720         dra7xxx_check_revision();
 721         dra7xx_powerdomains_init();
 722         dra7xx_clockdomains_init();
 723         dra7xx_hwmod_init();
 724         omap_hwmod_init_postsetup();
 725         omap_clk_soc_init = dra7xx_dt_clk_init;
 726 }
 727
 728 void __init dra7xx_init_late(void)
 729 {
 730         omap_common_late_init();
 731         omap4_pm_init();
 732         omap2_clk_enable_autoidle_all();
 733 }
 734 #endif
 735
 736
 737 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 738                                       struct omap_sdrc_params *sdrc_cs1)
 739 {
 740         omap_sram_init();
 741
 742         if (cpu_is_omap24xx() || omap3_has_sdrc()) {
 743                 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
 744                 _omap2_init_reprogram_sdrc();
 745         }
 746 }
 747
 748 int __init omap_clk_init(void)
 749 {
 750         int ret = 0;
 751
 752         if (!omap_clk_soc_init)
 753                 return 0;
 754
 755         ti_clk_init_features();
 756
 757         omap2_clk_setup_ll_ops();
 758
 759         ret = omap_control_init();
 760         if (ret)
 761                 return ret;
 762
 763         ret = omap_prcm_init();
 764         if (ret)
 765                 return ret;
 766
 767         of_clk_init(NULL);
 768
 769         ti_dt_clk_init_retry_clks();
 770
 771         ti_dt_clockdomains_setup();
 772
 773         ret = omap_clk_soc_init();
 774
 775         return ret;
 776 }