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 "cm33xx.h" 49 #include "cm44xx.h" 50 #include "prm.h" 51 #include "cm.h" 52 #include "prcm_mpu44xx.h" 53 #include "prminst44xx.h" 54 #include "prm2xxx.h" 55 #include "prm3xxx.h" 56 #include "prm33xx.h" 57 #include "prm44xx.h" 58 #include "opp2xxx.h" 59 60 /* 61 * omap_clk_soc_init: points to a function that does the SoC-specific 62 * clock initializations 63 */ 64 static int (*omap_clk_soc_init)(void); 65 66 /* 67 * The machine specific code may provide the extra mapping besides the 68 * default mapping provided here. 69 */ 70 71 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) 72 static struct map_desc omap24xx_io_desc[] __initdata = { 73 { 74 .virtual = L3_24XX_VIRT, 75 .pfn = __phys_to_pfn(L3_24XX_PHYS), 76 .length = L3_24XX_SIZE, 77 .type = MT_DEVICE 78 }, 79 { 80 .virtual = L4_24XX_VIRT, 81 .pfn = __phys_to_pfn(L4_24XX_PHYS), 82 .length = L4_24XX_SIZE, 83 .type = MT_DEVICE 84 }, 85 }; 86 87 #ifdef CONFIG_SOC_OMAP2420 88 static struct map_desc omap242x_io_desc[] __initdata = { 89 { 90 .virtual = DSP_MEM_2420_VIRT, 91 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS), 92 .length = DSP_MEM_2420_SIZE, 93 .type = MT_DEVICE 94 }, 95 { 96 .virtual = DSP_IPI_2420_VIRT, 97 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS), 98 .length = DSP_IPI_2420_SIZE, 99 .type = MT_DEVICE 100 }, 101 { 102 .virtual = DSP_MMU_2420_VIRT, 103 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS), 104 .length = DSP_MMU_2420_SIZE, 105 .type = MT_DEVICE 106 }, 107 }; 108 109 #endif 110 111 #ifdef CONFIG_SOC_OMAP2430 112 static struct map_desc omap243x_io_desc[] __initdata = { 113 { 114 .virtual = L4_WK_243X_VIRT, 115 .pfn = __phys_to_pfn(L4_WK_243X_PHYS), 116 .length = L4_WK_243X_SIZE, 117 .type = MT_DEVICE 118 }, 119 { 120 .virtual = OMAP243X_GPMC_VIRT, 121 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), 122 .length = OMAP243X_GPMC_SIZE, 123 .type = MT_DEVICE 124 }, 125 { 126 .virtual = OMAP243X_SDRC_VIRT, 127 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS), 128 .length = OMAP243X_SDRC_SIZE, 129 .type = MT_DEVICE 130 }, 131 { 132 .virtual = OMAP243X_SMS_VIRT, 133 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS), 134 .length = OMAP243X_SMS_SIZE, 135 .type = MT_DEVICE 136 }, 137 }; 138 #endif 139 #endif 140 141 #ifdef CONFIG_ARCH_OMAP3 142 static struct map_desc omap34xx_io_desc[] __initdata = { 143 { 144 .virtual = L3_34XX_VIRT, 145 .pfn = __phys_to_pfn(L3_34XX_PHYS), 146 .length = L3_34XX_SIZE, 147 .type = MT_DEVICE 148 }, 149 { 150 .virtual = L4_34XX_VIRT, 151 .pfn = __phys_to_pfn(L4_34XX_PHYS), 152 .length = L4_34XX_SIZE, 153 .type = MT_DEVICE 154 }, 155 { 156 .virtual = OMAP34XX_GPMC_VIRT, 157 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS), 158 .length = OMAP34XX_GPMC_SIZE, 159 .type = MT_DEVICE 160 }, 161 { 162 .virtual = OMAP343X_SMS_VIRT, 163 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS), 164 .length = OMAP343X_SMS_SIZE, 165 .type = MT_DEVICE 166 }, 167 { 168 .virtual = OMAP343X_SDRC_VIRT, 169 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS), 170 .length = OMAP343X_SDRC_SIZE, 171 .type = MT_DEVICE 172 }, 173 { 174 .virtual = L4_PER_34XX_VIRT, 175 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS), 176 .length = L4_PER_34XX_SIZE, 177 .type = MT_DEVICE 178 }, 179 { 180 .virtual = L4_EMU_34XX_VIRT, 181 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS), 182 .length = L4_EMU_34XX_SIZE, 183 .type = MT_DEVICE 184 }, 185 }; 186 #endif 187 188 #ifdef CONFIG_SOC_TI81XX 189 static struct map_desc omapti81xx_io_desc[] __initdata = { 190 { 191 .virtual = L4_34XX_VIRT, 192 .pfn = __phys_to_pfn(L4_34XX_PHYS), 193 .length = L4_34XX_SIZE, 194 .type = MT_DEVICE 195 } 196 }; 197 #endif 198 199 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 200 static struct map_desc omapam33xx_io_desc[] __initdata = { 201 { 202 .virtual = L4_34XX_VIRT, 203 .pfn = __phys_to_pfn(L4_34XX_PHYS), 204 .length = L4_34XX_SIZE, 205 .type = MT_DEVICE 206 }, 207 { 208 .virtual = L4_WK_AM33XX_VIRT, 209 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS), 210 .length = L4_WK_AM33XX_SIZE, 211 .type = MT_DEVICE 212 } 213 }; 214 #endif 215 216 #ifdef CONFIG_ARCH_OMAP4 217 static struct map_desc omap44xx_io_desc[] __initdata = { 218 { 219 .virtual = L3_44XX_VIRT, 220 .pfn = __phys_to_pfn(L3_44XX_PHYS), 221 .length = L3_44XX_SIZE, 222 .type = MT_DEVICE, 223 }, 224 { 225 .virtual = L4_44XX_VIRT, 226 .pfn = __phys_to_pfn(L4_44XX_PHYS), 227 .length = L4_44XX_SIZE, 228 .type = MT_DEVICE, 229 }, 230 { 231 .virtual = L4_PER_44XX_VIRT, 232 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), 233 .length = L4_PER_44XX_SIZE, 234 .type = MT_DEVICE, 235 }, 236 }; 237 #endif 238 239 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) 240 static struct map_desc omap54xx_io_desc[] __initdata = { 241 { 242 .virtual = L3_54XX_VIRT, 243 .pfn = __phys_to_pfn(L3_54XX_PHYS), 244 .length = L3_54XX_SIZE, 245 .type = MT_DEVICE, 246 }, 247 { 248 .virtual = L4_54XX_VIRT, 249 .pfn = __phys_to_pfn(L4_54XX_PHYS), 250 .length = L4_54XX_SIZE, 251 .type = MT_DEVICE, 252 }, 253 { 254 .virtual = L4_WK_54XX_VIRT, 255 .pfn = __phys_to_pfn(L4_WK_54XX_PHYS), 256 .length = L4_WK_54XX_SIZE, 257 .type = MT_DEVICE, 258 }, 259 { 260 .virtual = L4_PER_54XX_VIRT, 261 .pfn = __phys_to_pfn(L4_PER_54XX_PHYS), 262 .length = L4_PER_54XX_SIZE, 263 .type = MT_DEVICE, 264 }, 265 }; 266 #endif 267 268 #ifdef CONFIG_SOC_OMAP2420 269 void __init omap242x_map_io(void) 270 { 271 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); 272 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); 273 } 274 #endif 275 276 #ifdef CONFIG_SOC_OMAP2430 277 void __init omap243x_map_io(void) 278 { 279 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); 280 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); 281 } 282 #endif 283 284 #ifdef CONFIG_ARCH_OMAP3 285 void __init omap3_map_io(void) 286 { 287 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); 288 } 289 #endif 290 291 #ifdef CONFIG_SOC_TI81XX 292 void __init ti81xx_map_io(void) 293 { 294 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc)); 295 } 296 #endif 297 298 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 299 void __init am33xx_map_io(void) 300 { 301 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc)); 302 } 303 #endif 304 305 #ifdef CONFIG_ARCH_OMAP4 306 void __init omap4_map_io(void) 307 { 308 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); 309 omap_barriers_init(); 310 } 311 #endif 312 313 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) 314 void __init omap5_map_io(void) 315 { 316 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc)); 317 omap_barriers_init(); 318 } 319 #endif 320 /* 321 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters 322 * 323 * Sets the CORE DPLL3 M2 divider to the same value that it's at 324 * currently. This has the effect of setting the SDRC SDRAM AC timing 325 * registers to the values currently defined by the kernel. Currently 326 * only defined for OMAP3; will return 0 if called on OMAP2. Returns 327 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2, 328 * or passes along the return value of clk_set_rate(). 329 */ 330 static int __init _omap2_init_reprogram_sdrc(void) 331 { 332 struct clk *dpll3_m2_ck; 333 int v = -EINVAL; 334 long rate; 335 336 if (!cpu_is_omap34xx()) 337 return 0; 338 339 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck"); 340 if (IS_ERR(dpll3_m2_ck)) 341 return -EINVAL; 342 343 rate = clk_get_rate(dpll3_m2_ck); 344 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate); 345 v = clk_set_rate(dpll3_m2_ck, rate); 346 if (v) 347 pr_err("dpll3_m2_clk rate change failed: %d\n", v); 348 349 clk_put(dpll3_m2_ck); 350 351 return v; 352 } 353 354 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) 355 { 356 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); 357 } 358 359 static void __init omap_hwmod_init_postsetup(void) 360 { 361 u8 postsetup_state; 362 363 /* Set the default postsetup state for all hwmods */ 364 #ifdef CONFIG_PM 365 postsetup_state = _HWMOD_STATE_IDLE; 366 #else 367 postsetup_state = _HWMOD_STATE_ENABLED; 368 #endif 369 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); 370 371 omap_pm_if_early_init(); 372 } 373 374 static void __init __maybe_unused omap_common_late_init(void) 375 { 376 omap_mux_late_init(); 377 omap2_common_pm_late_init(); 378 omap_soc_device_init(); 379 } 380 381 #ifdef CONFIG_SOC_OMAP2420 382 void __init omap2420_init_early(void) 383 { 384 omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000)); 385 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), 386 OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE)); 387 omap2_control_base_init(); 388 omap2xxx_check_revision(); 389 omap2_prcm_base_init(); 390 omap2xxx_voltagedomains_init(); 391 omap242x_powerdomains_init(); 392 omap242x_clockdomains_init(); 393 omap2420_hwmod_init(); 394 omap_hwmod_init_postsetup(); 395 omap_clk_soc_init = omap2420_dt_clk_init; 396 rate_table = omap2420_rate_table; 397 } 398 399 void __init omap2420_init_late(void) 400 { 401 omap_common_late_init(); 402 omap2_pm_init(); 403 omap2_clk_enable_autoidle_all(); 404 } 405 #endif 406 407 #ifdef CONFIG_SOC_OMAP2430 408 void __init omap2430_init_early(void) 409 { 410 omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000)); 411 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), 412 OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE)); 413 omap2_control_base_init(); 414 omap2xxx_check_revision(); 415 omap2_prcm_base_init(); 416 omap2xxx_voltagedomains_init(); 417 omap243x_powerdomains_init(); 418 omap243x_clockdomains_init(); 419 omap2430_hwmod_init(); 420 omap_hwmod_init_postsetup(); 421 omap_clk_soc_init = omap2430_dt_clk_init; 422 rate_table = omap2430_rate_table; 423 } 424 425 void __init omap2430_init_late(void) 426 { 427 omap_common_late_init(); 428 omap2_pm_init(); 429 omap2_clk_enable_autoidle_all(); 430 } 431 #endif 432 433 /* 434 * Currently only board-omap3beagle.c should call this because of the 435 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT. 436 */ 437 #ifdef CONFIG_ARCH_OMAP3 438 void __init omap3_init_early(void) 439 { 440 omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000)); 441 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), 442 OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE)); 443 /* XXX: remove these once OMAP3 is DT only */ 444 if (!of_have_populated_dt()) { 445 omap2_set_globals_control( 446 OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE)); 447 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE)); 448 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), 449 NULL); 450 } 451 omap2_control_base_init(); 452 omap3xxx_check_revision(); 453 omap3xxx_check_features(); 454 omap2_prcm_base_init(); 455 /* XXX: remove these once OMAP3 is DT only */ 456 if (!of_have_populated_dt()) { 457 omap3xxx_prm_init(NULL); 458 omap3xxx_cm_init(NULL); 459 } 460 omap3xxx_voltagedomains_init(); 461 omap3xxx_powerdomains_init(); 462 omap3xxx_clockdomains_init(); 463 omap3xxx_hwmod_init(); 464 omap_hwmod_init_postsetup(); 465 if (!of_have_populated_dt()) { 466 omap3_control_legacy_iomap_init(); 467 if (soc_is_am35xx()) 468 omap_clk_soc_init = am35xx_clk_legacy_init; 469 else if (cpu_is_omap3630()) 470 omap_clk_soc_init = omap36xx_clk_legacy_init; 471 else if (omap_rev() == OMAP3430_REV_ES1_0) 472 omap_clk_soc_init = omap3430es1_clk_legacy_init; 473 else 474 omap_clk_soc_init = omap3430_clk_legacy_init; 475 } 476 } 477 478 void __init omap3430_init_early(void) 479 { 480 omap3_init_early(); 481 if (of_have_populated_dt()) 482 omap_clk_soc_init = omap3430_dt_clk_init; 483 } 484 485 void __init omap35xx_init_early(void) 486 { 487 omap3_init_early(); 488 if (of_have_populated_dt()) 489 omap_clk_soc_init = omap3430_dt_clk_init; 490 } 491 492 void __init omap3630_init_early(void) 493 { 494 omap3_init_early(); 495 if (of_have_populated_dt()) 496 omap_clk_soc_init = omap3630_dt_clk_init; 497 } 498 499 void __init am35xx_init_early(void) 500 { 501 omap3_init_early(); 502 if (of_have_populated_dt()) 503 omap_clk_soc_init = am35xx_dt_clk_init; 504 } 505 506 void __init omap3_init_late(void) 507 { 508 omap_common_late_init(); 509 omap3_pm_init(); 510 omap2_clk_enable_autoidle_all(); 511 } 512 513 void __init omap3430_init_late(void) 514 { 515 omap_common_late_init(); 516 omap3_pm_init(); 517 omap2_clk_enable_autoidle_all(); 518 } 519 520 void __init omap35xx_init_late(void) 521 { 522 omap_common_late_init(); 523 omap3_pm_init(); 524 omap2_clk_enable_autoidle_all(); 525 } 526 527 void __init omap3630_init_late(void) 528 { 529 omap_common_late_init(); 530 omap3_pm_init(); 531 omap2_clk_enable_autoidle_all(); 532 } 533 534 void __init am35xx_init_late(void) 535 { 536 omap_common_late_init(); 537 omap3_pm_init(); 538 omap2_clk_enable_autoidle_all(); 539 } 540 541 void __init ti81xx_init_late(void) 542 { 543 omap_common_late_init(); 544 omap2_clk_enable_autoidle_all(); 545 } 546 #endif 547 548 #ifdef CONFIG_SOC_TI81XX 549 void __init ti814x_init_early(void) 550 { 551 omap2_set_globals_tap(TI814X_CLASS, 552 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); 553 omap2_control_base_init(); 554 omap3xxx_check_revision(); 555 ti81xx_check_features(); 556 omap2_prcm_base_init(); 557 omap3xxx_voltagedomains_init(); 558 omap3xxx_powerdomains_init(); 559 ti81xx_clockdomains_init(); 560 ti81xx_hwmod_init(); 561 omap_hwmod_init_postsetup(); 562 if (of_have_populated_dt()) 563 omap_clk_soc_init = ti81xx_dt_clk_init; 564 } 565 566 void __init ti816x_init_early(void) 567 { 568 omap2_set_globals_tap(TI816X_CLASS, 569 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); 570 omap2_control_base_init(); 571 omap3xxx_check_revision(); 572 ti81xx_check_features(); 573 omap2_prcm_base_init(); 574 omap3xxx_voltagedomains_init(); 575 omap3xxx_powerdomains_init(); 576 ti81xx_clockdomains_init(); 577 ti81xx_hwmod_init(); 578 omap_hwmod_init_postsetup(); 579 if (of_have_populated_dt()) 580 omap_clk_soc_init = ti81xx_dt_clk_init; 581 } 582 #endif 583 584 #ifdef CONFIG_SOC_AM33XX 585 void __init am33xx_init_early(void) 586 { 587 omap2_set_globals_tap(AM335X_CLASS, 588 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); 589 omap2_control_base_init(); 590 omap3xxx_check_revision(); 591 am33xx_check_features(); 592 omap2_prcm_base_init(); 593 am33xx_powerdomains_init(); 594 am33xx_clockdomains_init(); 595 am33xx_hwmod_init(); 596 omap_hwmod_init_postsetup(); 597 omap_clk_soc_init = am33xx_dt_clk_init; 598 } 599 600 void __init am33xx_init_late(void) 601 { 602 omap_common_late_init(); 603 } 604 #endif 605 606 #ifdef CONFIG_SOC_AM43XX 607 void __init am43xx_init_early(void) 608 { 609 omap2_set_globals_tap(AM335X_CLASS, 610 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); 611 omap2_control_base_init(); 612 omap3xxx_check_revision(); 613 am33xx_check_features(); 614 omap2_prcm_base_init(); 615 am43xx_powerdomains_init(); 616 am43xx_clockdomains_init(); 617 am43xx_hwmod_init(); 618 omap_hwmod_init_postsetup(); 619 omap_l2_cache_init(); 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_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE)); 636 omap4xxx_check_revision(); 637 omap4xxx_check_features(); 638 omap2_prcm_base_init(); 639 omap4_pm_init_early(); 640 omap44xx_voltagedomains_init(); 641 omap44xx_powerdomains_init(); 642 omap44xx_clockdomains_init(); 643 omap44xx_hwmod_init(); 644 omap_hwmod_init_postsetup(); 645 omap_l2_cache_init(); 646 omap_clk_soc_init = omap4xxx_dt_clk_init; 647 } 648 649 void __init omap4430_init_late(void) 650 { 651 omap_common_late_init(); 652 omap4_pm_init(); 653 omap2_clk_enable_autoidle_all(); 654 } 655 #endif 656 657 #ifdef CONFIG_SOC_OMAP5 658 void __init omap5_init_early(void) 659 { 660 omap2_set_globals_tap(OMAP54XX_CLASS, 661 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE)); 662 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE)); 663 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); 664 omap4_pm_init_early(); 665 omap2_prcm_base_init(); 666 omap5xxx_check_revision(); 667 omap54xx_voltagedomains_init(); 668 omap54xx_powerdomains_init(); 669 omap54xx_clockdomains_init(); 670 omap54xx_hwmod_init(); 671 omap_hwmod_init_postsetup(); 672 omap_clk_soc_init = omap5xxx_dt_clk_init; 673 } 674 675 void __init omap5_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_DRA7XX 684 void __init dra7xx_init_early(void) 685 { 686 omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE)); 687 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE)); 688 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); 689 omap4_pm_init_early(); 690 omap2_prcm_base_init(); 691 dra7xxx_check_revision(); 692 dra7xx_powerdomains_init(); 693 dra7xx_clockdomains_init(); 694 dra7xx_hwmod_init(); 695 omap_hwmod_init_postsetup(); 696 omap_clk_soc_init = dra7xx_dt_clk_init; 697 } 698 699 void __init dra7xx_init_late(void) 700 { 701 omap_common_late_init(); 702 omap4_pm_init(); 703 omap2_clk_enable_autoidle_all(); 704 } 705 #endif 706 707 708 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 709 struct omap_sdrc_params *sdrc_cs1) 710 { 711 omap_sram_init(); 712 713 if (cpu_is_omap24xx() || omap3_has_sdrc()) { 714 omap2_sdrc_init(sdrc_cs0, sdrc_cs1); 715 _omap2_init_reprogram_sdrc(); 716 } 717 } 718 719 int __init omap_clk_init(void) 720 { 721 int ret = 0; 722 723 if (!omap_clk_soc_init) 724 return 0; 725 726 ti_clk_init_features(); 727 728 if (of_have_populated_dt()) { 729 ret = omap_control_init(); 730 if (ret) 731 return ret; 732 733 ret = omap_prcm_init(); 734 if (ret) 735 return ret; 736 737 of_clk_init(NULL); 738 739 ti_dt_clk_init_retry_clks(); 740 741 ti_dt_clockdomains_setup(); 742 } 743 744 ret = omap_clk_soc_init(); 745 746 return ret; 747 } 748