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 } 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 omap_hwmod_init_postsetup(void) 413 { 414 u8 postsetup_state; 415 416 /* Set the default postsetup state for all hwmods */ 417 #ifdef CONFIG_PM 418 postsetup_state = _HWMOD_STATE_IDLE; 419 #else 420 postsetup_state = _HWMOD_STATE_ENABLED; 421 #endif 422 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); 423 424 omap_pm_if_early_init(); 425 } 426 427 static void __init __maybe_unused omap_common_late_init(void) 428 { 429 omap_mux_late_init(); 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 /* XXX: remove these once OMAP3 is DT only */ 497 if (!of_have_populated_dt()) { 498 omap2_set_globals_control( 499 OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE)); 500 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE)); 501 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), 502 NULL); 503 } 504 omap2_control_base_init(); 505 omap3xxx_check_revision(); 506 omap3xxx_check_features(); 507 omap2_prcm_base_init(); 508 /* XXX: remove these once OMAP3 is DT only */ 509 if (!of_have_populated_dt()) { 510 omap3xxx_prm_init(NULL); 511 omap3xxx_cm_init(NULL); 512 } 513 omap3xxx_voltagedomains_init(); 514 omap3xxx_powerdomains_init(); 515 omap3xxx_clockdomains_init(); 516 omap3xxx_hwmod_init(); 517 omap_hwmod_init_postsetup(); 518 if (!of_have_populated_dt()) { 519 omap3_control_legacy_iomap_init(); 520 if (soc_is_am35xx()) 521 omap_clk_soc_init = am35xx_clk_legacy_init; 522 else if (cpu_is_omap3630()) 523 omap_clk_soc_init = omap36xx_clk_legacy_init; 524 else if (omap_rev() == OMAP3430_REV_ES1_0) 525 omap_clk_soc_init = omap3430es1_clk_legacy_init; 526 else 527 omap_clk_soc_init = omap3430_clk_legacy_init; 528 } 529 } 530 531 void __init omap3430_init_early(void) 532 { 533 omap3_init_early(); 534 if (of_have_populated_dt()) 535 omap_clk_soc_init = omap3430_dt_clk_init; 536 } 537 538 void __init omap35xx_init_early(void) 539 { 540 omap3_init_early(); 541 if (of_have_populated_dt()) 542 omap_clk_soc_init = omap3430_dt_clk_init; 543 } 544 545 void __init omap3630_init_early(void) 546 { 547 omap3_init_early(); 548 if (of_have_populated_dt()) 549 omap_clk_soc_init = omap3630_dt_clk_init; 550 } 551 552 void __init am35xx_init_early(void) 553 { 554 omap3_init_early(); 555 if (of_have_populated_dt()) 556 omap_clk_soc_init = am35xx_dt_clk_init; 557 } 558 559 void __init omap3_init_late(void) 560 { 561 omap_common_late_init(); 562 omap3_pm_init(); 563 omap2_clk_enable_autoidle_all(); 564 } 565 566 void __init omap3430_init_late(void) 567 { 568 omap_common_late_init(); 569 omap3_pm_init(); 570 omap2_clk_enable_autoidle_all(); 571 } 572 573 void __init omap35xx_init_late(void) 574 { 575 omap_common_late_init(); 576 omap3_pm_init(); 577 omap2_clk_enable_autoidle_all(); 578 } 579 580 void __init omap3630_init_late(void) 581 { 582 omap_common_late_init(); 583 omap3_pm_init(); 584 omap2_clk_enable_autoidle_all(); 585 } 586 587 void __init am35xx_init_late(void) 588 { 589 omap_common_late_init(); 590 omap3_pm_init(); 591 omap2_clk_enable_autoidle_all(); 592 } 593 594 void __init ti81xx_init_late(void) 595 { 596 omap_common_late_init(); 597 omap2_clk_enable_autoidle_all(); 598 } 599 #endif 600 601 #ifdef CONFIG_SOC_TI81XX 602 void __init ti814x_init_early(void) 603 { 604 omap2_set_globals_tap(TI814X_CLASS, 605 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); 606 omap2_control_base_init(); 607 omap3xxx_check_revision(); 608 ti81xx_check_features(); 609 omap2_prcm_base_init(); 610 omap3xxx_voltagedomains_init(); 611 omap3xxx_powerdomains_init(); 612 ti814x_clockdomains_init(); 613 dm814x_hwmod_init(); 614 omap_hwmod_init_postsetup(); 615 if (of_have_populated_dt()) 616 omap_clk_soc_init = dm814x_dt_clk_init; 617 } 618 619 void __init ti816x_init_early(void) 620 { 621 omap2_set_globals_tap(TI816X_CLASS, 622 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); 623 omap2_control_base_init(); 624 omap3xxx_check_revision(); 625 ti81xx_check_features(); 626 omap2_prcm_base_init(); 627 omap3xxx_voltagedomains_init(); 628 omap3xxx_powerdomains_init(); 629 ti816x_clockdomains_init(); 630 dm816x_hwmod_init(); 631 omap_hwmod_init_postsetup(); 632 if (of_have_populated_dt()) 633 omap_clk_soc_init = dm816x_dt_clk_init; 634 } 635 #endif 636 637 #ifdef CONFIG_SOC_AM33XX 638 void __init am33xx_init_early(void) 639 { 640 omap2_set_globals_tap(AM335X_CLASS, 641 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); 642 omap2_control_base_init(); 643 omap3xxx_check_revision(); 644 am33xx_check_features(); 645 omap2_prcm_base_init(); 646 am33xx_powerdomains_init(); 647 am33xx_clockdomains_init(); 648 am33xx_hwmod_init(); 649 omap_hwmod_init_postsetup(); 650 omap_clk_soc_init = am33xx_dt_clk_init; 651 } 652 653 void __init am33xx_init_late(void) 654 { 655 omap_common_late_init(); 656 } 657 #endif 658 659 #ifdef CONFIG_SOC_AM43XX 660 void __init am43xx_init_early(void) 661 { 662 omap2_set_globals_tap(AM335X_CLASS, 663 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); 664 omap2_control_base_init(); 665 omap3xxx_check_revision(); 666 am33xx_check_features(); 667 omap2_prcm_base_init(); 668 am43xx_powerdomains_init(); 669 am43xx_clockdomains_init(); 670 am43xx_hwmod_init(); 671 omap_hwmod_init_postsetup(); 672 omap_l2_cache_init(); 673 omap_clk_soc_init = am43xx_dt_clk_init; 674 } 675 676 void __init am43xx_init_late(void) 677 { 678 omap_common_late_init(); 679 omap2_clk_enable_autoidle_all(); 680 } 681 #endif 682 683 #ifdef CONFIG_ARCH_OMAP4 684 void __init omap4430_init_early(void) 685 { 686 omap2_set_globals_tap(OMAP443X_CLASS, 687 OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE)); 688 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE)); 689 omap2_control_base_init(); 690 omap4xxx_check_revision(); 691 omap4xxx_check_features(); 692 omap2_prcm_base_init(); 693 omap4_pm_init_early(); 694 omap44xx_voltagedomains_init(); 695 omap44xx_powerdomains_init(); 696 omap44xx_clockdomains_init(); 697 omap44xx_hwmod_init(); 698 omap_hwmod_init_postsetup(); 699 omap_l2_cache_init(); 700 omap_clk_soc_init = omap4xxx_dt_clk_init; 701 } 702 703 void __init omap4430_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_OMAP5 712 void __init omap5_init_early(void) 713 { 714 omap2_set_globals_tap(OMAP54XX_CLASS, 715 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_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 omap5xxx_check_revision(); 721 omap54xx_voltagedomains_init(); 722 omap54xx_powerdomains_init(); 723 omap54xx_clockdomains_init(); 724 omap54xx_hwmod_init(); 725 omap_hwmod_init_postsetup(); 726 omap_clk_soc_init = omap5xxx_dt_clk_init; 727 } 728 729 void __init omap5_init_late(void) 730 { 731 omap_common_late_init(); 732 omap4_pm_init(); 733 omap2_clk_enable_autoidle_all(); 734 } 735 #endif 736 737 #ifdef CONFIG_SOC_DRA7XX 738 void __init dra7xx_init_early(void) 739 { 740 omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE)); 741 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); 742 omap2_control_base_init(); 743 omap4_pm_init_early(); 744 omap2_prcm_base_init(); 745 dra7xxx_check_revision(); 746 dra7xx_powerdomains_init(); 747 dra7xx_clockdomains_init(); 748 dra7xx_hwmod_init(); 749 omap_hwmod_init_postsetup(); 750 omap_clk_soc_init = dra7xx_dt_clk_init; 751 } 752 753 void __init dra7xx_init_late(void) 754 { 755 omap_common_late_init(); 756 omap4_pm_init(); 757 omap2_clk_enable_autoidle_all(); 758 } 759 #endif 760 761 762 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 763 struct omap_sdrc_params *sdrc_cs1) 764 { 765 omap_sram_init(); 766 767 if (cpu_is_omap24xx() || omap3_has_sdrc()) { 768 omap2_sdrc_init(sdrc_cs0, sdrc_cs1); 769 _omap2_init_reprogram_sdrc(); 770 } 771 } 772 773 int __init omap_clk_init(void) 774 { 775 int ret = 0; 776 777 if (!omap_clk_soc_init) 778 return 0; 779 780 ti_clk_init_features(); 781 782 omap2_clk_setup_ll_ops(); 783 784 if (of_have_populated_dt()) { 785 ret = omap_control_init(); 786 if (ret) 787 return ret; 788 789 ret = omap_prcm_init(); 790 if (ret) 791 return ret; 792 793 of_clk_init(NULL); 794 795 ti_dt_clk_init_retry_clks(); 796 797 ti_dt_clockdomains_setup(); 798 } 799 800 ret = omap_clk_soc_init(); 801 802 return ret; 803 } 804