drivers/coresight/coresight-etm-cp14.c

   1 /* Copyright (c) 2012, The Linux Foundation. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  */
  12
  13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  14
  15 #include <linux/kernel.h>
  16 #include <linux/types.h>
  17 #include <linux/bug.h>
  18 #include <asm/hardware/cp14.h>
  19
  20 #include "coresight-etm.h"
  21
  22 int etm_readl_cp14(u32 reg, unsigned int *val)
  23 {
  24         switch (reg) {
  25         case ETMCR:
  26                 *val = etm_read(ETMCR);
  27                 return 0;
  28         case ETMCCR:
  29                 *val = etm_read(ETMCCR);
  30                 return 0;
  31         case ETMTRIGGER:
  32                 *val = etm_read(ETMTRIGGER);
  33                 return 0;
  34         case ETMSR:
  35                 *val = etm_read(ETMSR);
  36                 return 0;
  37         case ETMSCR:
  38                 *val = etm_read(ETMSCR);
  39                 return 0;
  40         case ETMTSSCR:
  41                 *val = etm_read(ETMTSSCR);
  42                 return 0;
  43         case ETMTEEVR:
  44                 *val = etm_read(ETMTEEVR);
  45                 return 0;
  46         case ETMTECR1:
  47                 *val = etm_read(ETMTECR1);
  48                 return 0;
  49         case ETMFFLR:
  50                 *val = etm_read(ETMFFLR);
  51                 return 0;
  52         case ETMACVRn(0):
  53                 *val = etm_read(ETMACVR0);
  54                 return 0;
  55         case ETMACVRn(1):
  56                 *val = etm_read(ETMACVR1);
  57                 return 0;
  58         case ETMACVRn(2):
  59                 *val = etm_read(ETMACVR2);
  60                 return 0;
  61         case ETMACVRn(3):
  62                 *val = etm_read(ETMACVR3);
  63                 return 0;
  64         case ETMACVRn(4):
  65                 *val = etm_read(ETMACVR4);
  66                 return 0;
  67         case ETMACVRn(5):
  68                 *val = etm_read(ETMACVR5);
  69                 return 0;
  70         case ETMACVRn(6):
  71                 *val = etm_read(ETMACVR6);
  72                 return 0;
  73         case ETMACVRn(7):
  74                 *val = etm_read(ETMACVR7);
  75                 return 0;
  76         case ETMACVRn(8):
  77                 *val = etm_read(ETMACVR8);
  78                 return 0;
  79         case ETMACVRn(9):
  80                 *val = etm_read(ETMACVR9);
  81                 return 0;
  82         case ETMACVRn(10):
  83                 *val = etm_read(ETMACVR10);
  84                 return 0;
  85         case ETMACVRn(11):
  86                 *val = etm_read(ETMACVR11);
  87                 return 0;
  88         case ETMACVRn(12):
  89                 *val = etm_read(ETMACVR12);
  90                 return 0;
  91         case ETMACVRn(13):
  92                 *val = etm_read(ETMACVR13);
  93                 return 0;
  94         case ETMACVRn(14):
  95                 *val = etm_read(ETMACVR14);
  96                 return 0;
  97         case ETMACVRn(15):
  98                 *val = etm_read(ETMACVR15);
  99                 return 0;
 100         case ETMACTRn(0):
 101                 *val = etm_read(ETMACTR0);
 102                 return 0;
 103         case ETMACTRn(1):
 104                 *val = etm_read(ETMACTR1);
 105                 return 0;
 106         case ETMACTRn(2):
 107                 *val = etm_read(ETMACTR2);
 108                 return 0;
 109         case ETMACTRn(3):
 110                 *val = etm_read(ETMACTR3);
 111                 return 0;
 112         case ETMACTRn(4):
 113                 *val = etm_read(ETMACTR4);
 114                 return 0;
 115         case ETMACTRn(5):
 116                 *val = etm_read(ETMACTR5);
 117                 return 0;
 118         case ETMACTRn(6):
 119                 *val = etm_read(ETMACTR6);
 120                 return 0;
 121         case ETMACTRn(7):
 122                 *val = etm_read(ETMACTR7);
 123                 return 0;
 124         case ETMACTRn(8):
 125                 *val = etm_read(ETMACTR8);
 126                 return 0;
 127         case ETMACTRn(9):
 128                 *val = etm_read(ETMACTR9);
 129                 return 0;
 130         case ETMACTRn(10):
 131                 *val = etm_read(ETMACTR10);
 132                 return 0;
 133         case ETMACTRn(11):
 134                 *val = etm_read(ETMACTR11);
 135                 return 0;
 136         case ETMACTRn(12):
 137                 *val = etm_read(ETMACTR12);
 138                 return 0;
 139         case ETMACTRn(13):
 140                 *val = etm_read(ETMACTR13);
 141                 return 0;
 142         case ETMACTRn(14):
 143                 *val = etm_read(ETMACTR14);
 144                 return 0;
 145         case ETMACTRn(15):
 146                 *val = etm_read(ETMACTR15);
 147                 return 0;
 148         case ETMCNTRLDVRn(0):
 149                 *val = etm_read(ETMCNTRLDVR0);
 150                 return 0;
 151         case ETMCNTRLDVRn(1):
 152                 *val = etm_read(ETMCNTRLDVR1);
 153                 return 0;
 154         case ETMCNTRLDVRn(2):
 155                 *val = etm_read(ETMCNTRLDVR2);
 156                 return 0;
 157         case ETMCNTRLDVRn(3):
 158                 *val = etm_read(ETMCNTRLDVR3);
 159                 return 0;
 160         case ETMCNTENRn(0):
 161                 *val = etm_read(ETMCNTENR0);
 162                 return 0;
 163         case ETMCNTENRn(1):
 164                 *val = etm_read(ETMCNTENR1);
 165                 return 0;
 166         case ETMCNTENRn(2):
 167                 *val = etm_read(ETMCNTENR2);
 168                 return 0;
 169         case ETMCNTENRn(3):
 170                 *val = etm_read(ETMCNTENR3);
 171                 return 0;
 172         case ETMCNTRLDEVRn(0):
 173                 *val = etm_read(ETMCNTRLDEVR0);
 174                 return 0;
 175         case ETMCNTRLDEVRn(1):
 176                 *val = etm_read(ETMCNTRLDEVR1);
 177                 return 0;
 178         case ETMCNTRLDEVRn(2):
 179                 *val = etm_read(ETMCNTRLDEVR2);
 180                 return 0;
 181         case ETMCNTRLDEVRn(3):
 182                 *val = etm_read(ETMCNTRLDEVR3);
 183                 return 0;
 184         case ETMCNTVRn(0):
 185                 *val = etm_read(ETMCNTVR0);
 186                 return 0;
 187         case ETMCNTVRn(1):
 188                 *val = etm_read(ETMCNTVR1);
 189                 return 0;
 190         case ETMCNTVRn(2):
 191                 *val = etm_read(ETMCNTVR2);
 192                 return 0;
 193         case ETMCNTVRn(3):
 194                 *val = etm_read(ETMCNTVR3);
 195                 return 0;
 196         case ETMSQ12EVR:
 197                 *val = etm_read(ETMSQ12EVR);
 198                 return 0;
 199         case ETMSQ21EVR:
 200                 *val = etm_read(ETMSQ21EVR);
 201                 return 0;
 202         case ETMSQ23EVR:
 203                 *val = etm_read(ETMSQ23EVR);
 204                 return 0;
 205         case ETMSQ31EVR:
 206                 *val = etm_read(ETMSQ31EVR);
 207                 return 0;
 208         case ETMSQ32EVR:
 209                 *val = etm_read(ETMSQ32EVR);
 210                 return 0;
 211         case ETMSQ13EVR:
 212                 *val = etm_read(ETMSQ13EVR);
 213                 return 0;
 214         case ETMSQR:
 215                 *val = etm_read(ETMSQR);
 216                 return 0;
 217         case ETMEXTOUTEVRn(0):
 218                 *val = etm_read(ETMEXTOUTEVR0);
 219                 return 0;
 220         case ETMEXTOUTEVRn(1):
 221                 *val = etm_read(ETMEXTOUTEVR1);
 222                 return 0;
 223         case ETMEXTOUTEVRn(2):
 224                 *val = etm_read(ETMEXTOUTEVR2);
 225                 return 0;
 226         case ETMEXTOUTEVRn(3):
 227                 *val = etm_read(ETMEXTOUTEVR3);
 228                 return 0;
 229         case ETMCIDCVRn(0):
 230                 *val = etm_read(ETMCIDCVR0);
 231                 return 0;
 232         case ETMCIDCVRn(1):
 233                 *val = etm_read(ETMCIDCVR1);
 234                 return 0;
 235         case ETMCIDCVRn(2):
 236                 *val = etm_read(ETMCIDCVR2);
 237                 return 0;
 238         case ETMCIDCMR:
 239                 *val = etm_read(ETMCIDCMR);
 240                 return 0;
 241         case ETMIMPSPEC0:
 242                 *val = etm_read(ETMIMPSPEC0);
 243                 return 0;
 244         case ETMIMPSPEC1:
 245                 *val = etm_read(ETMIMPSPEC1);
 246                 return 0;
 247         case ETMIMPSPEC2:
 248                 *val = etm_read(ETMIMPSPEC2);
 249                 return 0;
 250         case ETMIMPSPEC3:
 251                 *val = etm_read(ETMIMPSPEC3);
 252                 return 0;
 253         case ETMIMPSPEC4:
 254                 *val = etm_read(ETMIMPSPEC4);
 255                 return 0;
 256         case ETMIMPSPEC5:
 257                 *val = etm_read(ETMIMPSPEC5);
 258                 return 0;
 259         case ETMIMPSPEC6:
 260                 *val = etm_read(ETMIMPSPEC6);
 261                 return 0;
 262         case ETMIMPSPEC7:
 263                 *val = etm_read(ETMIMPSPEC7);
 264                 return 0;
 265         case ETMSYNCFR:
 266                 *val = etm_read(ETMSYNCFR);
 267                 return 0;
 268         case ETMIDR:
 269                 *val = etm_read(ETMIDR);
 270                 return 0;
 271         case ETMCCER:
 272                 *val = etm_read(ETMCCER);
 273                 return 0;
 274         case ETMEXTINSELR:
 275                 *val = etm_read(ETMEXTINSELR);
 276                 return 0;
 277         case ETMTESSEICR:
 278                 *val = etm_read(ETMTESSEICR);
 279                 return 0;
 280         case ETMEIBCR:
 281                 *val = etm_read(ETMEIBCR);
 282                 return 0;
 283         case ETMTSEVR:
 284                 *val = etm_read(ETMTSEVR);
 285                 return 0;
 286         case ETMAUXCR:
 287                 *val = etm_read(ETMAUXCR);
 288                 return 0;
 289         case ETMTRACEIDR:
 290                 *val = etm_read(ETMTRACEIDR);
 291                 return 0;
 292         case ETMVMIDCVR:
 293                 *val = etm_read(ETMVMIDCVR);
 294                 return 0;
 295         case ETMOSLSR:
 296                 *val = etm_read(ETMOSLSR);
 297                 return 0;
 298         case ETMOSSRR:
 299                 *val = etm_read(ETMOSSRR);
 300                 return 0;
 301         case ETMPDCR:
 302                 *val = etm_read(ETMPDCR);
 303                 return 0;
 304         case ETMPDSR:
 305                 *val = etm_read(ETMPDSR);
 306                 return 0;
 307         default:
 308                 *val = 0;
 309                 return -EINVAL;
 310         }
 311 }
 312
 313 int etm_writel_cp14(u32 reg, u32 val)
 314 {
 315         switch (reg) {
 316         case ETMCR:
 317                 etm_write(val, ETMCR);
 318                 break;
 319         case ETMTRIGGER:
 320                 etm_write(val, ETMTRIGGER);
 321                 break;
 322         case ETMSR:
 323                 etm_write(val, ETMSR);
 324                 break;
 325         case ETMTSSCR:
 326                 etm_write(val, ETMTSSCR);
 327                 break;
 328         case ETMTEEVR:
 329                 etm_write(val, ETMTEEVR);
 330                 break;
 331         case ETMTECR1:
 332                 etm_write(val, ETMTECR1);
 333                 break;
 334         case ETMFFLR:
 335                 etm_write(val, ETMFFLR);
 336                 break;
 337         case ETMACVRn(0):
 338                 etm_write(val, ETMACVR0);
 339                 break;
 340         case ETMACVRn(1):
 341                 etm_write(val, ETMACVR1);
 342                 break;
 343         case ETMACVRn(2):
 344                 etm_write(val, ETMACVR2);
 345                 break;
 346         case ETMACVRn(3):
 347                 etm_write(val, ETMACVR3);
 348                 break;
 349         case ETMACVRn(4):
 350                 etm_write(val, ETMACVR4);
 351                 break;
 352         case ETMACVRn(5):
 353                 etm_write(val, ETMACVR5);
 354                 break;
 355         case ETMACVRn(6):
 356                 etm_write(val, ETMACVR6);
 357                 break;
 358         case ETMACVRn(7):
 359                 etm_write(val, ETMACVR7);
 360                 break;
 361         case ETMACVRn(8):
 362                 etm_write(val, ETMACVR8);
 363                 break;
 364         case ETMACVRn(9):
 365                 etm_write(val, ETMACVR9);
 366                 break;
 367         case ETMACVRn(10):
 368                 etm_write(val, ETMACVR10);
 369                 break;
 370         case ETMACVRn(11):
 371                 etm_write(val, ETMACVR11);
 372                 break;
 373         case ETMACVRn(12):
 374                 etm_write(val, ETMACVR12);
 375                 break;
 376         case ETMACVRn(13):
 377                 etm_write(val, ETMACVR13);
 378                 break;
 379         case ETMACVRn(14):
 380                 etm_write(val, ETMACVR14);
 381                 break;
 382         case ETMACVRn(15):
 383                 etm_write(val, ETMACVR15);
 384                 break;
 385         case ETMACTRn(0):
 386                 etm_write(val, ETMACTR0);
 387                 break;
 388         case ETMACTRn(1):
 389                 etm_write(val, ETMACTR1);
 390                 break;
 391         case ETMACTRn(2):
 392                 etm_write(val, ETMACTR2);
 393                 break;
 394         case ETMACTRn(3):
 395                 etm_write(val, ETMACTR3);
 396                 break;
 397         case ETMACTRn(4):
 398                 etm_write(val, ETMACTR4);
 399                 break;
 400         case ETMACTRn(5):
 401                 etm_write(val, ETMACTR5);
 402                 break;
 403         case ETMACTRn(6):
 404                 etm_write(val, ETMACTR6);
 405                 break;
 406         case ETMACTRn(7):
 407                 etm_write(val, ETMACTR7);
 408                 break;
 409         case ETMACTRn(8):
 410                 etm_write(val, ETMACTR8);
 411                 break;
 412         case ETMACTRn(9):
 413                 etm_write(val, ETMACTR9);
 414                 break;
 415         case ETMACTRn(10):
 416                 etm_write(val, ETMACTR10);
 417                 break;
 418         case ETMACTRn(11):
 419                 etm_write(val, ETMACTR11);
 420                 break;
 421         case ETMACTRn(12):
 422                 etm_write(val, ETMACTR12);
 423                 break;
 424         case ETMACTRn(13):
 425                 etm_write(val, ETMACTR13);
 426                 break;
 427         case ETMACTRn(14):
 428                 etm_write(val, ETMACTR14);
 429                 break;
 430         case ETMACTRn(15):
 431                 etm_write(val, ETMACTR15);
 432                 break;
 433         case ETMCNTRLDVRn(0):
 434                 etm_write(val, ETMCNTRLDVR0);
 435                 break;
 436         case ETMCNTRLDVRn(1):
 437                 etm_write(val, ETMCNTRLDVR1);
 438                 break;
 439         case ETMCNTRLDVRn(2):
 440                 etm_write(val, ETMCNTRLDVR2);
 441                 break;
 442         case ETMCNTRLDVRn(3):
 443                 etm_write(val, ETMCNTRLDVR3);
 444                 break;
 445         case ETMCNTENRn(0):
 446                 etm_write(val, ETMCNTENR0);
 447                 break;
 448         case ETMCNTENRn(1):
 449                 etm_write(val, ETMCNTENR1);
 450                 break;
 451         case ETMCNTENRn(2):
 452                 etm_write(val, ETMCNTENR2);
 453                 break;
 454         case ETMCNTENRn(3):
 455                 etm_write(val, ETMCNTENR3);
 456                 break;
 457         case ETMCNTRLDEVRn(0):
 458                 etm_write(val, ETMCNTRLDEVR0);
 459                 break;
 460         case ETMCNTRLDEVRn(1):
 461                 etm_write(val, ETMCNTRLDEVR1);
 462                 break;
 463         case ETMCNTRLDEVRn(2):
 464                 etm_write(val, ETMCNTRLDEVR2);
 465                 break;
 466         case ETMCNTRLDEVRn(3):
 467                 etm_write(val, ETMCNTRLDEVR3);
 468                 break;
 469         case ETMCNTVRn(0):
 470                 etm_write(val, ETMCNTVR0);
 471                 break;
 472         case ETMCNTVRn(1):
 473                 etm_write(val, ETMCNTVR1);
 474                 break;
 475         case ETMCNTVRn(2):
 476                 etm_write(val, ETMCNTVR2);
 477                 break;
 478         case ETMCNTVRn(3):
 479                 etm_write(val, ETMCNTVR3);
 480                 break;
 481         case ETMSQ12EVR:
 482                 etm_write(val, ETMSQ12EVR);
 483                 break;
 484         case ETMSQ21EVR:
 485                 etm_write(val, ETMSQ21EVR);
 486                 break;
 487         case ETMSQ23EVR:
 488                 etm_write(val, ETMSQ23EVR);
 489                 break;
 490         case ETMSQ31EVR:
 491                 etm_write(val, ETMSQ31EVR);
 492                 break;
 493         case ETMSQ32EVR:
 494                 etm_write(val, ETMSQ32EVR);
 495                 break;
 496         case ETMSQ13EVR:
 497                 etm_write(val, ETMSQ13EVR);
 498                 break;
 499         case ETMSQR:
 500                 etm_write(val, ETMSQR);
 501                 break;
 502         case ETMEXTOUTEVRn(0):
 503                 etm_write(val, ETMEXTOUTEVR0);
 504                 break;
 505         case ETMEXTOUTEVRn(1):
 506                 etm_write(val, ETMEXTOUTEVR1);
 507                 break;
 508         case ETMEXTOUTEVRn(2):
 509                 etm_write(val, ETMEXTOUTEVR2);
 510                 break;
 511         case ETMEXTOUTEVRn(3):
 512                 etm_write(val, ETMEXTOUTEVR3);
 513                 break;
 514         case ETMCIDCVRn(0):
 515                 etm_write(val, ETMCIDCVR0);
 516                 break;
 517         case ETMCIDCVRn(1):
 518                 etm_write(val, ETMCIDCVR1);
 519                 break;
 520         case ETMCIDCVRn(2):
 521                 etm_write(val, ETMCIDCVR2);
 522                 break;
 523         case ETMCIDCMR:
 524                 etm_write(val, ETMCIDCMR);
 525                 break;
 526         case ETMIMPSPEC0:
 527                 etm_write(val, ETMIMPSPEC0);
 528                 break;
 529         case ETMIMPSPEC1:
 530                 etm_write(val, ETMIMPSPEC1);
 531                 break;
 532         case ETMIMPSPEC2:
 533                 etm_write(val, ETMIMPSPEC2);
 534                 break;
 535         case ETMIMPSPEC3:
 536                 etm_write(val, ETMIMPSPEC3);
 537                 break;
 538         case ETMIMPSPEC4:
 539                 etm_write(val, ETMIMPSPEC4);
 540                 break;
 541         case ETMIMPSPEC5:
 542                 etm_write(val, ETMIMPSPEC5);
 543                 break;
 544         case ETMIMPSPEC6:
 545                 etm_write(val, ETMIMPSPEC6);
 546                 break;
 547         case ETMIMPSPEC7:
 548                 etm_write(val, ETMIMPSPEC7);
 549                 break;
 550         case ETMSYNCFR:
 551                 etm_write(val, ETMSYNCFR);
 552                 break;
 553         case ETMEXTINSELR:
 554                 etm_write(val, ETMEXTINSELR);
 555                 break;
 556         case ETMTESSEICR:
 557                 etm_write(val, ETMTESSEICR);
 558                 break;
 559         case ETMEIBCR:
 560                 etm_write(val, ETMEIBCR);
 561                 break;
 562         case ETMTSEVR:
 563                 etm_write(val, ETMTSEVR);
 564                 break;
 565         case ETMAUXCR:
 566                 etm_write(val, ETMAUXCR);
 567                 break;
 568         case ETMTRACEIDR:
 569                 etm_write(val, ETMTRACEIDR);
 570                 break;
 571         case ETMVMIDCVR:
 572                 etm_write(val, ETMVMIDCVR);
 573                 break;
 574         case ETMOSLAR:
 575                 etm_write(val, ETMOSLAR);
 576                 break;
 577         case ETMOSSRR:
 578                 etm_write(val, ETMOSSRR);
 579                 break;
 580         case ETMPDCR:
 581                 etm_write(val, ETMPDCR);
 582                 break;
 583         case ETMPDSR:
 584                 etm_write(val, ETMPDSR);
 585                 break;
 586         default:
 587                 return -EINVAL;
 588         }
 589
 590         return 0;
 591 }