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 "sdrc.h"
  41 #include "control.h"
  42 #include "serial.h"
  43 #include "sram.h"
  44 #include "cm2xxx.h"
  45 #include "cm3xxx.h"
  46 #include "cm33xx.h"
  47 #include "cm44xx.h"
  48 #include "prm.h"
  49 #include "cm.h"
  50 #include "prcm_mpu44xx.h"
  51 #include "prminst44xx.h"
  52 #include "prm2xxx.h"
  53 #include "prm3xxx.h"
  54 #include "prm33xx.h"
  55 #include "prm44xx.h"
  56 #include "opp2xxx.h"
  57
  58 /*
  59  * omap_clk_soc_init: points to a function that does the SoC-specific
  60  * clock initializations
  61  */
  62 static int (*omap_clk_soc_init)(void);
  63
  64 /*
  65  * The machine specific code may provide the extra mapping besides the
  66  * default mapping provided here.
  67  */
  68
  69 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
  70 static struct map_desc omap24xx_io_desc[] __initdata = {
  71         {
  72                 .virtual        = L3_24XX_VIRT,
  73                 .pfn            = __phys_to_pfn(L3_24XX_PHYS),
  74                 .length         = L3_24XX_SIZE,
  75                 .type           = MT_DEVICE
  76         },
  77         {
  78                 .virtual        = L4_24XX_VIRT,
  79                 .pfn            = __phys_to_pfn(L4_24XX_PHYS),
  80                 .length         = L4_24XX_SIZE,
  81                 .type           = MT_DEVICE
  82         },
  83 };
  84
  85 #ifdef CONFIG_SOC_OMAP2420
  86 static struct map_desc omap242x_io_desc[] __initdata = {
  87         {
  88                 .virtual        = DSP_MEM_2420_VIRT,
  89                 .pfn            = __phys_to_pfn(DSP_MEM_2420_PHYS),
  90                 .length         = DSP_MEM_2420_SIZE,
  91                 .type           = MT_DEVICE
  92         },
  93         {
  94                 .virtual        = DSP_IPI_2420_VIRT,
  95                 .pfn            = __phys_to_pfn(DSP_IPI_2420_PHYS),
  96                 .length         = DSP_IPI_2420_SIZE,
  97                 .type           = MT_DEVICE
  98         },
  99         {
 100                 .virtual        = DSP_MMU_2420_VIRT,
 101                 .pfn            = __phys_to_pfn(DSP_MMU_2420_PHYS),
 102                 .length         = DSP_MMU_2420_SIZE,
 103                 .type           = MT_DEVICE
 104         },
 105 };
 106
 107 #endif
 108
 109 #ifdef CONFIG_SOC_OMAP2430
 110 static struct map_desc omap243x_io_desc[] __initdata = {
 111         {
 112                 .virtual        = L4_WK_243X_VIRT,
 113                 .pfn            = __phys_to_pfn(L4_WK_243X_PHYS),
 114                 .length         = L4_WK_243X_SIZE,
 115                 .type           = MT_DEVICE
 116         },
 117         {
 118                 .virtual        = OMAP243X_GPMC_VIRT,
 119                 .pfn            = __phys_to_pfn(OMAP243X_GPMC_PHYS),
 120                 .length         = OMAP243X_GPMC_SIZE,
 121                 .type           = MT_DEVICE
 122         },
 123         {
 124                 .virtual        = OMAP243X_SDRC_VIRT,
 125                 .pfn            = __phys_to_pfn(OMAP243X_SDRC_PHYS),
 126                 .length         = OMAP243X_SDRC_SIZE,
 127                 .type           = MT_DEVICE
 128         },
 129         {
 130                 .virtual        = OMAP243X_SMS_VIRT,
 131                 .pfn            = __phys_to_pfn(OMAP243X_SMS_PHYS),
 132                 .length         = OMAP243X_SMS_SIZE,
 133                 .type           = MT_DEVICE
 134         },
 135 };
 136 #endif
 137 #endif
 138
 139 #ifdef  CONFIG_ARCH_OMAP3
 140 static struct map_desc omap34xx_io_desc[] __initdata = {
 141         {
 142                 .virtual        = L3_34XX_VIRT,
 143                 .pfn            = __phys_to_pfn(L3_34XX_PHYS),
 144                 .length         = L3_34XX_SIZE,
 145                 .type           = MT_DEVICE
 146         },
 147         {
 148                 .virtual        = L4_34XX_VIRT,
 149                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 150                 .length         = L4_34XX_SIZE,
 151                 .type           = MT_DEVICE
 152         },
 153         {
 154                 .virtual        = OMAP34XX_GPMC_VIRT,
 155                 .pfn            = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
 156                 .length         = OMAP34XX_GPMC_SIZE,
 157                 .type           = MT_DEVICE
 158         },
 159         {
 160                 .virtual        = OMAP343X_SMS_VIRT,
 161                 .pfn            = __phys_to_pfn(OMAP343X_SMS_PHYS),
 162                 .length         = OMAP343X_SMS_SIZE,
 163                 .type           = MT_DEVICE
 164         },
 165         {
 166                 .virtual        = OMAP343X_SDRC_VIRT,
 167                 .pfn            = __phys_to_pfn(OMAP343X_SDRC_PHYS),
 168                 .length         = OMAP343X_SDRC_SIZE,
 169                 .type           = MT_DEVICE
 170         },
 171         {
 172                 .virtual        = L4_PER_34XX_VIRT,
 173                 .pfn            = __phys_to_pfn(L4_PER_34XX_PHYS),
 174                 .length         = L4_PER_34XX_SIZE,
 175                 .type           = MT_DEVICE
 176         },
 177         {
 178                 .virtual        = L4_EMU_34XX_VIRT,
 179                 .pfn            = __phys_to_pfn(L4_EMU_34XX_PHYS),
 180                 .length         = L4_EMU_34XX_SIZE,
 181                 .type           = MT_DEVICE
 182         },
 183 };
 184 #endif
 185
 186 #ifdef CONFIG_SOC_TI81XX
 187 static struct map_desc omapti81xx_io_desc[] __initdata = {
 188         {
 189                 .virtual        = L4_34XX_VIRT,
 190                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 191                 .length         = L4_34XX_SIZE,
 192                 .type           = MT_DEVICE
 193         }
 194 };
 195 #endif
 196
 197 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 198 static struct map_desc omapam33xx_io_desc[] __initdata = {
 199         {
 200                 .virtual        = L4_34XX_VIRT,
 201                 .pfn            = __phys_to_pfn(L4_34XX_PHYS),
 202                 .length         = L4_34XX_SIZE,
 203                 .type           = MT_DEVICE
 204         },
 205         {
 206                 .virtual        = L4_WK_AM33XX_VIRT,
 207                 .pfn            = __phys_to_pfn(L4_WK_AM33XX_PHYS),
 208                 .length         = L4_WK_AM33XX_SIZE,
 209                 .type           = MT_DEVICE
 210         }
 211 };
 212 #endif
 213
 214 #ifdef  CONFIG_ARCH_OMAP4
 215 static struct map_desc omap44xx_io_desc[] __initdata = {
 216         {
 217                 .virtual        = L3_44XX_VIRT,
 218                 .pfn            = __phys_to_pfn(L3_44XX_PHYS),
 219                 .length         = L3_44XX_SIZE,
 220                 .type           = MT_DEVICE,
 221         },
 222         {
 223                 .virtual        = L4_44XX_VIRT,
 224                 .pfn            = __phys_to_pfn(L4_44XX_PHYS),
 225                 .length         = L4_44XX_SIZE,
 226                 .type           = MT_DEVICE,
 227         },
 228         {
 229                 .virtual        = L4_PER_44XX_VIRT,
 230                 .pfn            = __phys_to_pfn(L4_PER_44XX_PHYS),
 231                 .length         = L4_PER_44XX_SIZE,
 232                 .type           = MT_DEVICE,
 233         },
 234 };
 235 #endif
 236
 237 #ifdef CONFIG_SOC_OMAP5
 238 static 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
 266 #ifdef CONFIG_SOC_DRA7XX
 267 static struct map_desc dra7xx_io_desc[] __initdata = {
 268         {
 269                 .virtual        = L4_CFG_MPU_DRA7XX_VIRT,
 270                 .pfn            = __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
 271                 .length         = L4_CFG_MPU_DRA7XX_SIZE,
 272                 .type           = MT_DEVICE,
 273         },
 274         {
 275                 .virtual        = L3_MAIN_SN_DRA7XX_VIRT,
 276                 .pfn            = __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
 277                 .length         = L3_MAIN_SN_DRA7XX_SIZE,
 278                 .type           = MT_DEVICE,
 279         },
 280         {
 281                 .virtual        = L4_PER1_DRA7XX_VIRT,
 282                 .pfn            = __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
 283                 .length         = L4_PER1_DRA7XX_SIZE,
 284                 .type           = MT_DEVICE,
 285         },
 286         {
 287                 .virtual        = L4_PER2_DRA7XX_VIRT,
 288                 .pfn            = __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
 289                 .length         = L4_PER2_DRA7XX_SIZE,
 290                 .type           = MT_DEVICE,
 291         },
 292         {
 293                 .virtual        = L4_PER3_DRA7XX_VIRT,
 294                 .pfn            = __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
 295                 .length         = L4_PER3_DRA7XX_SIZE,
 296                 .type           = MT_DEVICE,
 297         },
 298         {
 299                 .virtual        = L4_CFG_DRA7XX_VIRT,
 300                 .pfn            = __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
 301                 .length         = L4_CFG_DRA7XX_SIZE,
 302                 .type           = MT_DEVICE,
 303         },
 304         {
 305                 .virtual        = L4_WKUP_DRA7XX_VIRT,
 306                 .pfn            = __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
 307                 .length         = L4_WKUP_DRA7XX_SIZE,
 308                 .type           = MT_DEVICE,
 309         },
 310 };
 311 #endif
 312
 313 #ifdef CONFIG_SOC_OMAP2420
 314 void __init omap242x_map_io(void)
 315 {
 316         iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 317         iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
 318 }
 319 #endif
 320
 321 #ifdef CONFIG_SOC_OMAP2430
 322 void __init omap243x_map_io(void)
 323 {
 324         iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 325         iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
 326 }
 327 #endif
 328
 329 #ifdef CONFIG_ARCH_OMAP3
 330 void __init omap3_map_io(void)
 331 {
 332         iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
 333 }
 334 #endif
 335
 336 #ifdef CONFIG_SOC_TI81XX
 337 void __init ti81xx_map_io(void)
 338 {
 339         iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
 340 }
 341 #endif
 342
 343 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 344 void __init am33xx_map_io(void)
 345 {
 346         iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
 347 }
 348 #endif
 349
 350 #ifdef CONFIG_ARCH_OMAP4
 351 void __init omap4_map_io(void)
 352 {
 353         iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
 354         omap_barriers_init();
 355 }
 356 #endif
 357
 358 #ifdef CONFIG_SOC_OMAP5
 359 void __init omap5_map_io(void)
 360 {
 361         iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
 362         omap_barriers_init();
 363 }
 364 #endif
 365
 366 #ifdef CONFIG_SOC_DRA7XX
 367 void __init dra7xx_map_io(void)
 368 {
 369         iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
 370         omap_barriers_init();
 371 }
 372 #endif
 373 /*
 374  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
 375  *
 376  * Sets the CORE DPLL3 M2 divider to the same value that it's at
 377  * currently.  This has the effect of setting the SDRC SDRAM AC timing
 378  * registers to the values currently defined by the kernel.  Currently
 379  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
 380  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
 381  * or passes along the return value of clk_set_rate().
 382  */
 383 static int __init _omap2_init_reprogram_sdrc(void)
 384 {
 385         struct clk *dpll3_m2_ck;
 386         int v = -EINVAL;
 387         long rate;
 388
 389         if (!cpu_is_omap34xx())
 390                 return 0;
 391
 392         dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
 393         if (IS_ERR(dpll3_m2_ck))
 394                 return -EINVAL;
 395
 396         rate = clk_get_rate(dpll3_m2_ck);
 397         pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
 398         v = clk_set_rate(dpll3_m2_ck, rate);
 399         if (v)
 400                 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
 401
 402         clk_put(dpll3_m2_ck);
 403
 404         return v;
 405 }
 406
 407 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
 408 {
 409         return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
 410 }
 411
 412 static void __init __maybe_unused omap_hwmod_init_postsetup(void)
 413 {
 414         u8 postsetup_state = _HWMOD_STATE_DEFAULT;
 415
 416         /* Set the default postsetup state for all hwmods */
 417         omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
 418 }
 419
 420 #ifdef CONFIG_SOC_OMAP2420
 421 void __init omap2420_init_early(void)
 422 {
 423         omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
 424         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
 425                                OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
 426         omap2_control_base_init();
 427         omap2xxx_check_revision();
 428         omap2_prcm_base_init();
 429         omap2xxx_voltagedomains_init();
 430         omap242x_powerdomains_init();
 431         omap242x_clockdomains_init();
 432         omap2420_hwmod_init();
 433         omap_hwmod_init_postsetup();
 434         omap_clk_soc_init = omap2420_dt_clk_init;
 435         rate_table = omap2420_rate_table;
 436 }
 437
 438 void __init omap2420_init_late(void)
 439 {
 440         omap_pm_soc_init = omap2_pm_init;
 441 }
 442 #endif
 443
 444 #ifdef CONFIG_SOC_OMAP2430
 445 void __init omap2430_init_early(void)
 446 {
 447         omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
 448         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
 449                                OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
 450         omap2_control_base_init();
 451         omap2xxx_check_revision();
 452         omap2_prcm_base_init();
 453         omap2xxx_voltagedomains_init();
 454         omap243x_powerdomains_init();
 455         omap243x_clockdomains_init();
 456         omap2430_hwmod_init();
 457         omap_hwmod_init_postsetup();
 458         omap_clk_soc_init = omap2430_dt_clk_init;
 459         rate_table = omap2430_rate_table;
 460 }
 461
 462 void __init omap2430_init_late(void)
 463 {
 464         omap_pm_soc_init = omap2_pm_init;
 465 }
 466 #endif
 467
 468 /*
 469  * Currently only board-omap3beagle.c should call this because of the
 470  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
 471  */
 472 #ifdef CONFIG_ARCH_OMAP3
 473 void __init omap3_init_early(void)
 474 {
 475         omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
 476         omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
 477                                OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
 478         omap2_control_base_init();
 479         omap3xxx_check_revision();
 480         omap3xxx_check_features();
 481         omap2_prcm_base_init();
 482         omap3xxx_voltagedomains_init();
 483         omap3xxx_powerdomains_init();
 484         omap3xxx_clockdomains_init();
 485         omap3xxx_hwmod_init();
 486         omap_hwmod_init_postsetup();
 487 }
 488
 489 void __init omap3430_init_early(void)
 490 {
 491         omap3_init_early();
 492         omap_clk_soc_init = omap3430_dt_clk_init;
 493 }
 494
 495 void __init omap35xx_init_early(void)
 496 {
 497         omap3_init_early();
 498         omap_clk_soc_init = omap3430_dt_clk_init;
 499 }
 500
 501 void __init omap3630_init_early(void)
 502 {
 503         omap3_init_early();
 504         omap_clk_soc_init = omap3630_dt_clk_init;
 505 }
 506
 507 void __init am35xx_init_early(void)
 508 {
 509         omap3_init_early();
 510         omap_clk_soc_init = am35xx_dt_clk_init;
 511 }
 512
 513 void __init omap3_init_late(void)
 514 {
 515         omap_pm_soc_init = omap3_pm_init;
 516 }
 517
 518 void __init ti81xx_init_late(void)
 519 {
 520         omap_pm_soc_init = omap_pm_nop_init;
 521 }
 522 #endif
 523
 524 #ifdef CONFIG_SOC_TI81XX
 525 void __init ti814x_init_early(void)
 526 {
 527         omap2_set_globals_tap(TI814X_CLASS,
 528                               OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
 529         omap2_control_base_init();
 530         omap3xxx_check_revision();
 531         ti81xx_check_features();
 532         omap2_prcm_base_init();
 533         omap3xxx_voltagedomains_init();
 534         omap3xxx_powerdomains_init();
 535         ti814x_clockdomains_init();
 536         dm814x_hwmod_init();
 537         omap_hwmod_init_postsetup();
 538         omap_clk_soc_init = dm814x_dt_clk_init;
 539 }
 540
 541 void __init ti816x_init_early(void)
 542 {
 543         omap2_set_globals_tap(TI816X_CLASS,
 544                               OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
 545         omap2_control_base_init();
 546         omap3xxx_check_revision();
 547         ti81xx_check_features();
 548         omap2_prcm_base_init();
 549         omap3xxx_voltagedomains_init();
 550         omap3xxx_powerdomains_init();
 551         ti816x_clockdomains_init();
 552         dm816x_hwmod_init();
 553         omap_hwmod_init_postsetup();
 554         omap_clk_soc_init = dm816x_dt_clk_init;
 555 }
 556 #endif
 557
 558 #ifdef CONFIG_SOC_AM33XX
 559 void __init am33xx_init_early(void)
 560 {
 561         omap2_set_globals_tap(AM335X_CLASS,
 562                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 563         omap2_control_base_init();
 564         omap3xxx_check_revision();
 565         am33xx_check_features();
 566         omap2_prcm_base_init();
 567         am33xx_powerdomains_init();
 568         am33xx_clockdomains_init();
 569         am33xx_hwmod_init();
 570         omap_hwmod_init_postsetup();
 571         omap_clk_soc_init = am33xx_dt_clk_init;
 572 }
 573
 574 void __init am33xx_init_late(void)
 575 {
 576         omap_pm_soc_init = amx3_common_pm_init;
 577 }
 578 #endif
 579
 580 #ifdef CONFIG_SOC_AM43XX
 581 void __init am43xx_init_early(void)
 582 {
 583         omap2_set_globals_tap(AM335X_CLASS,
 584                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 585         omap2_control_base_init();
 586         omap3xxx_check_revision();
 587         am33xx_check_features();
 588         omap2_prcm_base_init();
 589         am43xx_powerdomains_init();
 590         am43xx_clockdomains_init();
 591         am43xx_hwmod_init();
 592         omap_hwmod_init_postsetup();
 593         omap_l2_cache_init();
 594         omap_clk_soc_init = am43xx_dt_clk_init;
 595 }
 596
 597 void __init am43xx_init_late(void)
 598 {
 599         omap_pm_soc_init = amx3_common_pm_init;
 600 }
 601 #endif
 602
 603 #ifdef CONFIG_ARCH_OMAP4
 604 void __init omap4430_init_early(void)
 605 {
 606         omap2_set_globals_tap(OMAP443X_CLASS,
 607                               OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
 608         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
 609         omap2_control_base_init();
 610         omap4xxx_check_revision();
 611         omap4xxx_check_features();
 612         omap2_prcm_base_init();
 613         omap4_sar_ram_init();
 614         omap4_mpuss_early_init();
 615         omap4_pm_init_early();
 616         omap44xx_voltagedomains_init();
 617         omap44xx_powerdomains_init();
 618         omap44xx_clockdomains_init();
 619         omap44xx_hwmod_init();
 620         omap_hwmod_init_postsetup();
 621         omap_l2_cache_init();
 622         omap_clk_soc_init = omap4xxx_dt_clk_init;
 623 }
 624
 625 void __init omap4430_init_late(void)
 626 {
 627         omap_pm_soc_init = omap4_pm_init;
 628 }
 629 #endif
 630
 631 #ifdef CONFIG_SOC_OMAP5
 632 void __init omap5_init_early(void)
 633 {
 634         omap2_set_globals_tap(OMAP54XX_CLASS,
 635                               OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
 636         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 637         omap2_control_base_init();
 638         omap2_prcm_base_init();
 639         omap5xxx_check_revision();
 640         omap4_sar_ram_init();
 641         omap4_mpuss_early_init();
 642         omap4_pm_init_early();
 643         omap54xx_voltagedomains_init();
 644         omap54xx_powerdomains_init();
 645         omap54xx_clockdomains_init();
 646         omap54xx_hwmod_init();
 647         omap_hwmod_init_postsetup();
 648         omap_clk_soc_init = omap5xxx_dt_clk_init;
 649 }
 650
 651 void __init omap5_init_late(void)
 652 {
 653         omap_pm_soc_init = omap4_pm_init;
 654 }
 655 #endif
 656
 657 #ifdef CONFIG_SOC_DRA7XX
 658 void __init dra7xx_init_early(void)
 659 {
 660         omap2_set_globals_tap(DRA7XX_CLASS,
 661                               OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
 662         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 663         omap2_control_base_init();
 664         omap4_pm_init_early();
 665         omap2_prcm_base_init();
 666         dra7xxx_check_revision();
 667         dra7xx_powerdomains_init();
 668         dra7xx_clockdomains_init();
 669         dra7xx_hwmod_init();
 670         omap_hwmod_init_postsetup();
 671         omap_clk_soc_init = dra7xx_dt_clk_init;
 672 }
 673
 674 void __init dra7xx_init_late(void)
 675 {
 676         omap_pm_soc_init = omap4_pm_init;
 677 }
 678 #endif
 679
 680
 681 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 682                                       struct omap_sdrc_params *sdrc_cs1)
 683 {
 684         omap_sram_init();
 685
 686         if (cpu_is_omap24xx() || omap3_has_sdrc()) {
 687                 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
 688                 _omap2_init_reprogram_sdrc();
 689         }
 690 }
 691
 692 int __init omap_clk_init(void)
 693 {
 694         int ret = 0;
 695
 696         if (!omap_clk_soc_init)
 697                 return 0;
 698
 699         ti_clk_init_features();
 700
 701         omap2_clk_setup_ll_ops();
 702
 703         ret = omap_control_init();
 704         if (ret)
 705                 return ret;
 706
 707         ret = omap_prcm_init();
 708         if (ret)
 709                 return ret;
 710
 711         of_clk_init(NULL);
 712
 713         ti_dt_clk_init_retry_clks();
 714
 715         ti_dt_clockdomains_setup();
 716
 717         ret = omap_clk_soc_init();
 718
 719         return ret;
 720 }