Pileus Git - ~andy/linux/blob - 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 "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  * omap_clk_soc_init: points to a function that does the SoC-specific
  59  * clock initializations
  60  */
  61 static int (*omap_clk_soc_init)(void);
  62
  63 /*
  64  * The machine specific code may provide the extra mapping besides the
  65  * default mapping provided here.
  66  */
  67
  68 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
  69 static 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
  85 static 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
 109 static 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
 139 static 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
 195 static 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 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 206 static 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
 223 static 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_RW_SO,
 248         },
 249 #endif
 250
 251 };
 252 #endif
 253
 254 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
 255 static 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_RW_SO,
 286         },
 287 #endif
 288 };
 289 #endif
 290
 291 #ifdef CONFIG_SOC_OMAP2420
 292 void __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
 300 void __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
 308 void __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
 315 void __init ti81xx_map_io(void)
 316 {
 317         iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
 318 }
 319 #endif
 320
 321 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
 322 void __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
 329 void __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 #if defined(CONFIG_SOC_OMAP5) ||  defined(CONFIG_SOC_DRA7XX)
 337 void __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  * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
 345  *
 346  * Sets the CORE DPLL3 M2 divider to the same value that it's at
 347  * currently.  This has the effect of setting the SDRC SDRAM AC timing
 348  * registers to the values currently defined by the kernel.  Currently
 349  * only defined for OMAP3; will return 0 if called on OMAP2.  Returns
 350  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
 351  * or passes along the return value of clk_set_rate().
 352  */
 353 static 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
 377 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
 378 {
 379         return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
 380 }
 381
 382 static void __init omap_hwmod_init_postsetup(void)
 383 {
 384         u8 postsetup_state;
 385
 386         /* Set the default postsetup state for all hwmods */
 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
 397 static void __init __maybe_unused 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
 405 void __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_soc_init = omap2420_clk_init;
 423 }
 424
 425 void __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
 434 void __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_soc_init = omap2430_clk_init;
 452 }
 453
 454 void __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  * Currently only board-omap3beagle.c should call this because of the
 464  * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
 465  */
 466 #ifdef CONFIG_ARCH_OMAP3
 467 void __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_soc_init = omap3xxx_clk_init;
 486 }
 487
 488 void __init omap3430_init_early(void)
 489 {
 490         omap3_init_early();
 491         if (of_have_populated_dt())
 492                 omap_clk_soc_init = omap3430_dt_clk_init;
 493 }
 494
 495 void __init omap35xx_init_early(void)
 496 {
 497         omap3_init_early();
 498         if (of_have_populated_dt())
 499                 omap_clk_soc_init = omap3430_dt_clk_init;
 500 }
 501
 502 void __init omap3630_init_early(void)
 503 {
 504         omap3_init_early();
 505         if (of_have_populated_dt())
 506                 omap_clk_soc_init = omap3630_dt_clk_init;
 507 }
 508
 509 void __init am35xx_init_early(void)
 510 {
 511         omap3_init_early();
 512         if (of_have_populated_dt())
 513                 omap_clk_soc_init = am35xx_dt_clk_init;
 514 }
 515
 516 void __init ti81xx_init_early(void)
 517 {
 518         omap2_set_globals_tap(OMAP343X_CLASS,
 519                               OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
 520         omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
 521                                   NULL);
 522         omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
 523         omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
 524         omap3xxx_check_revision();
 525         ti81xx_check_features();
 526         omap3xxx_voltagedomains_init();
 527         omap3xxx_powerdomains_init();
 528         omap3xxx_clockdomains_init();
 529         omap3xxx_hwmod_init();
 530         omap_hwmod_init_postsetup();
 531         if (of_have_populated_dt())
 532                 omap_clk_soc_init = ti81xx_dt_clk_init;
 533         else
 534                 omap_clk_soc_init = omap3xxx_clk_init;
 535 }
 536
 537 void __init omap3_init_late(void)
 538 {
 539         omap_common_late_init();
 540         omap3_pm_init();
 541         omap2_clk_enable_autoidle_all();
 542 }
 543
 544 void __init omap3430_init_late(void)
 545 {
 546         omap_common_late_init();
 547         omap3_pm_init();
 548         omap2_clk_enable_autoidle_all();
 549 }
 550
 551 void __init omap35xx_init_late(void)
 552 {
 553         omap_common_late_init();
 554         omap3_pm_init();
 555         omap2_clk_enable_autoidle_all();
 556 }
 557
 558 void __init omap3630_init_late(void)
 559 {
 560         omap_common_late_init();
 561         omap3_pm_init();
 562         omap2_clk_enable_autoidle_all();
 563 }
 564
 565 void __init am35xx_init_late(void)
 566 {
 567         omap_common_late_init();
 568         omap3_pm_init();
 569         omap2_clk_enable_autoidle_all();
 570 }
 571
 572 void __init ti81xx_init_late(void)
 573 {
 574         omap_common_late_init();
 575         omap3_pm_init();
 576         omap2_clk_enable_autoidle_all();
 577 }
 578 #endif
 579
 580 #ifdef CONFIG_SOC_AM33XX
 581 void __init am33xx_init_early(void)
 582 {
 583         omap2_set_globals_tap(AM335X_CLASS,
 584                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 585         omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
 586                                   NULL);
 587         omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
 588         omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
 589         omap3xxx_check_revision();
 590         am33xx_check_features();
 591         am33xx_powerdomains_init();
 592         am33xx_clockdomains_init();
 593         am33xx_hwmod_init();
 594         omap_hwmod_init_postsetup();
 595         omap_clk_soc_init = am33xx_dt_clk_init;
 596 }
 597
 598 void __init am33xx_init_late(void)
 599 {
 600         omap_common_late_init();
 601 }
 602 #endif
 603
 604 #ifdef CONFIG_SOC_AM43XX
 605 void __init am43xx_init_early(void)
 606 {
 607         omap2_set_globals_tap(AM335X_CLASS,
 608                               AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
 609         omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
 610                                   NULL);
 611         omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE));
 612         omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE), NULL);
 613         omap_prm_base_init();
 614         omap_cm_base_init();
 615         omap3xxx_check_revision();
 616         am43xx_powerdomains_init();
 617         am43xx_clockdomains_init();
 618         am43xx_hwmod_init();
 619         omap_hwmod_init_postsetup();
 620         omap_clk_soc_init = am43xx_dt_clk_init;
 621 }
 622
 623 void __init am43xx_init_late(void)
 624 {
 625         omap_common_late_init();
 626 }
 627 #endif
 628
 629 #ifdef CONFIG_ARCH_OMAP4
 630 void __init omap4430_init_early(void)
 631 {
 632         omap2_set_globals_tap(OMAP443X_CLASS,
 633                               OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
 634         omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 635                                   OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
 636         omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
 637         omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
 638                              OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
 639         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
 640         omap_prm_base_init();
 641         omap_cm_base_init();
 642         omap4xxx_check_revision();
 643         omap4xxx_check_features();
 644         omap44xx_prm_init();
 645         omap44xx_voltagedomains_init();
 646         omap44xx_powerdomains_init();
 647         omap44xx_clockdomains_init();
 648         omap44xx_hwmod_init();
 649         omap_hwmod_init_postsetup();
 650         omap_clk_soc_init = omap4xxx_dt_clk_init;
 651 }
 652
 653 void __init omap4430_init_late(void)
 654 {
 655         omap_common_late_init();
 656         omap4_pm_init();
 657         omap2_clk_enable_autoidle_all();
 658 }
 659 #endif
 660
 661 #ifdef CONFIG_SOC_OMAP5
 662 void __init omap5_init_early(void)
 663 {
 664         omap2_set_globals_tap(OMAP54XX_CLASS,
 665                               OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
 666         omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 667                                   OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
 668         omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
 669         omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
 670                              OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
 671         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 672         omap_prm_base_init();
 673         omap_cm_base_init();
 674         omap44xx_prm_init();
 675         omap5xxx_check_revision();
 676         omap54xx_voltagedomains_init();
 677         omap54xx_powerdomains_init();
 678         omap54xx_clockdomains_init();
 679         omap54xx_hwmod_init();
 680         omap_hwmod_init_postsetup();
 681         omap_clk_soc_init = omap5xxx_dt_clk_init;
 682 }
 683
 684 void __init omap5_init_late(void)
 685 {
 686         omap_common_late_init();
 687 }
 688 #endif
 689
 690 #ifdef CONFIG_SOC_DRA7XX
 691 void __init dra7xx_init_early(void)
 692 {
 693         omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
 694         omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
 695                                   OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
 696         omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
 697         omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(DRA7XX_CM_CORE_AON_BASE),
 698                              OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
 699         omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
 700         omap_prm_base_init();
 701         omap_cm_base_init();
 702         omap44xx_prm_init();
 703         dra7xx_powerdomains_init();
 704         dra7xx_clockdomains_init();
 705         dra7xx_hwmod_init();
 706         omap_hwmod_init_postsetup();
 707         omap_clk_soc_init = dra7xx_dt_clk_init;
 708 }
 709
 710 void __init dra7xx_init_late(void)
 711 {
 712         omap_common_late_init();
 713 }
 714 #endif
 715
 716
 717 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 718                                       struct omap_sdrc_params *sdrc_cs1)
 719 {
 720         omap_sram_init();
 721
 722         if (cpu_is_omap24xx() || omap3_has_sdrc()) {
 723                 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
 724                 _omap2_init_reprogram_sdrc();
 725         }
 726 }
 727
 728 int __init omap_clk_init(void)
 729 {
 730         int ret = 0;
 731
 732         if (!omap_clk_soc_init)
 733                 return 0;
 734
 735         ret = of_prcm_init();
 736         if (!ret)
 737                 ret = omap_clk_soc_init();
 738
 739         return ret;
 740 }