target/linux/generic-2.4/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c

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  56 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  57 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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  60 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  61 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62
  63 *******************************************************************************/
  64
  65
  66 /* includes */
  67 #include "ctrlEnv/sys/mvCpuIf.h"
  68 #include "ctrlEnv/sys/mvAhbToMbusRegs.h"
  69 #include "cpu/mvCpu.h"
  70 #include "ctrlEnv/mvCtrlEnvLib.h"
  71 #include "mvSysHwConfig.h"
  72 #include "mvSysDram.h"
  73
  74 /*#define MV_DEBUG*/
  75 /* defines  */
  76
  77 #ifdef MV_DEBUG
  78         #define DB(x)   x
  79 #else
  80         #define DB(x)
  81 #endif
  82
  83 /* locals   */
  84 /* static functions */
  85 static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin);
  86
  87 MV_TARGET * sampleAtResetTargetArray;
  88 MV_TARGET sampleAtResetTargetArrayP[] = BOOT_TARGETS_NAME_ARRAY;
  89 MV_TARGET sampleAtResetTargetArray6180P[] = BOOT_TARGETS_NAME_ARRAY_6180;
  90 /*******************************************************************************
  91 * mvCpuIfInit - Initialize Controller CPU interface
  92 *
  93 * DESCRIPTION:
  94 *       This function initialize Controller CPU interface:
  95 *       1. Set CPU interface configuration registers.
  96 *       2. Set CPU master Pizza arbiter control according to static
  97 *          configuration described in configuration file.
  98 *       3. Opens CPU address decode windows. DRAM windows are assumed to be
  99 *                  already set (auto detection).
 100 *
 101 * INPUT:
 102 *       None.
 103 *
 104 * OUTPUT:
 105 *       None.
 106 *
 107 * RETURN:
 108 *       None.
 109 *
 110 *******************************************************************************/
 111 MV_STATUS mvCpuIfInit(MV_CPU_DEC_WIN *cpuAddrWinMap)
 112 {
 113         MV_U32 regVal;
 114         MV_TARGET target;
 115         MV_ADDR_WIN addrWin;
 116
 117         if (cpuAddrWinMap == NULL)
 118         {
 119                 DB(mvOsPrintf("mvCpuIfInit:ERR. cpuAddrWinMap == NULL\n"));
 120                 return MV_ERROR;
 121         }
 122
 123     /*Initialize the boot target array according to device type*/
 124     if(mvCtrlModelGet() == MV_6180_DEV_ID)
 125         sampleAtResetTargetArray = sampleAtResetTargetArray6180P;
 126     else
 127         sampleAtResetTargetArray = sampleAtResetTargetArrayP;
 128
 129         /* Set ARM Configuration register */
 130         regVal  = MV_REG_READ(CPU_CONFIG_REG);
 131         regVal &= ~CPU_CONFIG_DEFAULT_MASK;
 132         regVal |= CPU_CONFIG_DEFAULT;
 133         MV_REG_WRITE(CPU_CONFIG_REG,regVal);
 134
 135         /* First disable all CPU target windows  */
 136         for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++)
 137         {
 138                 if ((MV_TARGET_IS_DRAM(target))||(target == INTER_REGS))
 139                 {
 140                         continue;
 141                 }
 142
 143 #if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA)
 144                 /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
 145                 if (MV_TARGET_IS_PCI(target))
 146                 {
 147                         continue;
 148                 }
 149 #endif
 150
 151 #if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA)
 152                 /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
 153                 if (MV_TARGET_IS_PEX(target))
 154                 {
 155                         continue;
 156                 }
 157 #endif
 158 #if defined(MV_RUN_FROM_FLASH)
 159                 /* Don't disable the boot device.                               */
 160                 if (target == DEV_BOOCS)
 161                 {
 162                         continue;
 163                 }
 164 #endif /* MV_RUN_FROM_FLASH */
 165                 mvCpuIfTargetWinEnable(MV_CHANGE_BOOT_CS(target),MV_FALSE);
 166         }
 167
 168 #if defined(MV_RUN_FROM_FLASH)
 169         /* Resize the bootcs windows before other windows, because this     */
 170         /* window is enabled and will cause an overlap if not resized.      */
 171         target = DEV_BOOCS;
 172
 173         if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target]))
 174         {
 175                 DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n"));
 176                 return MV_ERROR;
 177         }
 178
 179         addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow;
 180         addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh;
 181         if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin))
 182         {
 183                 DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n",
 184                                           cpuAddrWinMap[target].winNum));
 185         }
 186
 187 #endif /* MV_RUN_FROM_FLASH */
 188
 189         /* Go through all targets in user table until table terminator                  */
 190         for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++)
 191         {
 192
 193 #if defined(MV_RUN_FROM_FLASH)
 194         if (target == DEV_BOOCS)
 195         {
 196                 continue;
 197         }
 198 #endif /* MV_RUN_FROM_FLASH */
 199
 200         /* if DRAM auto sizing is used do not initialized DRAM target windows,  */
 201         /* assuming this already has been done earlier.                                                 */
 202 #ifdef  MV_DRAM_AUTO_SIZE
 203                 if (MV_TARGET_IS_DRAM(target))
 204                 {
 205                         continue;
 206                 }
 207 #endif
 208
 209 #if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA)
 210                 /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
 211                 if (MV_TARGET_IS_PCI(target))
 212                 {
 213                         continue;
 214                 }
 215 #endif
 216
 217 #if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA)
 218                 /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
 219                 if (MV_TARGET_IS_PEX(target))
 220                 {
 221                         continue;
 222                 }
 223 #endif
 224         /* If the target attribute is the same as the boot device attribute */
 225         /* then it's stays disable */
 226                 if (MV_TARGET_IS_AS_BOOT(target))
 227                 {
 228                         continue;
 229                 }
 230
 231                 if((0 == cpuAddrWinMap[target].addrWin.size) ||
 232                    (DIS == cpuAddrWinMap[target].enable))
 233
 234                 {
 235                         if (MV_OK != mvCpuIfTargetWinEnable(target, MV_FALSE))
 236                         {
 237                                 DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinEnable fail\n"));
 238                                 return MV_ERROR;
 239                         }
 240
 241                 }
 242                 else
 243                 {
 244                         if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target]))
 245                         {
 246                                 DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n"));
 247                                 return MV_ERROR;
 248                         }
 249
 250                         addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow;
 251                         addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh;
 252                         if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin))
 253                         {
 254                                 DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n",
 255                                                           cpuAddrWinMap[target].winNum));
 256                         }
 257
 258
 259                 }
 260     }
 261
 262         return MV_OK;
 263
 264
 265 }
 266
 267
 268 /*******************************************************************************
 269 * mvCpuIfTargetWinSet - Set CPU-to-peripheral target address window
 270 *
 271 * DESCRIPTION:
 272 *       This function sets a peripheral target (e.g. SDRAM bank0, PCI0_MEM0)
 273 *       address window, also known as address decode window.
 274 *       A new address decode window is set for specified target address window.
 275 *       If address decode window parameter structure enables the window,
 276 *       the routine will also enable the target window, allowing CPU to access
 277 *       the target window.
 278 *
 279 * INPUT:
 280 *       target      - Peripheral target enumerator.
 281 *       pAddrDecWin - CPU target window data structure.
 282 *
 283 * OUTPUT:
 284 *       N/A
 285 *
 286 * RETURN:
 287 *       MV_OK if CPU target window was set correctly, MV_ERROR in case of
 288 *       address window overlapps with other active CPU target window or
 289 *               trying to assign 36bit base address while CPU does not support that.
 290 *       The function returns MV_NOT_SUPPORTED, if the target is unsupported.
 291 *
 292 *******************************************************************************/
 293 MV_STATUS mvCpuIfTargetWinSet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin)
 294 {
 295         MV_AHB_TO_MBUS_DEC_WIN decWin;
 296         MV_U32 existingWinNum;
 297         MV_DRAM_DEC_WIN addrDecWin;
 298
 299         target = MV_CHANGE_BOOT_CS(target);
 300
 301         /* Check parameters */
 302         if (target >= MAX_TARGETS)
 303         {
 304                 mvOsPrintf("mvCpuIfTargetWinSet: target %d is Illigal\n", target);
 305                 return MV_ERROR;
 306         }
 307
 308         /* 2) Check if the requested window overlaps with current windows               */
 309         if (MV_TRUE == cpuTargetWinOverlap(target, &pAddrDecWin->addrWin))
 310         {
 311                 mvOsPrintf("mvCpuIfTargetWinSet: ERR. Target %d overlap\n", target);
 312                 return MV_BAD_PARAM;
 313         }
 314
 315         if (MV_TARGET_IS_DRAM(target))
 316         {
 317                 /* copy relevant data to MV_DRAM_DEC_WIN structure */
 318                 addrDecWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh;
 319                 addrDecWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow;
 320                 addrDecWin.addrWin.size = pAddrDecWin->addrWin.size;
 321                 addrDecWin.enable = pAddrDecWin->enable;
 322
 323
 324                 if (mvDramIfWinSet(target,&addrDecWin) != MV_OK);
 325                 {
 326                         mvOsPrintf("mvCpuIfTargetWinSet: mvDramIfWinSet Failed\n");
 327                         return MV_ERROR;
 328                 }
 329
 330         }
 331         else
 332         {
 333                 /* copy relevant data to MV_AHB_TO_MBUS_DEC_WIN structure */
 334                 decWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow;
 335                 decWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh;
 336                 decWin.addrWin.size = pAddrDecWin->addrWin.size;
 337                 decWin.enable = pAddrDecWin->enable;
 338                 decWin.target = target;
 339
 340                 existingWinNum = mvAhbToMbusWinTargetGet(target);
 341
 342                 /* check if there is already another Window configured
 343                 for this target */
 344                 if ((existingWinNum < MAX_AHB_TO_MBUS_WINS )&&
 345                         (existingWinNum != pAddrDecWin->winNum))
 346                 {
 347                         /* if we want to enable the new winow number
 348                         passed by the user , then the old one should
 349                         be disabled */
 350                         if (MV_TRUE == pAddrDecWin->enable)
 351                         {
 352                                 /* be sure it is disabled */
 353                                 mvAhbToMbusWinEnable(existingWinNum , MV_FALSE);
 354                         }
 355                 }
 356
 357         if (mvAhbToMbusWinSet(pAddrDecWin->winNum,&decWin) != MV_OK)
 358                 {
 359                         mvOsPrintf("mvCpuIfTargetWinSet: mvAhbToMbusWinSet Failed\n");
 360                         return MV_ERROR;
 361                 }
 362
 363         }
 364
 365     return MV_OK;
 366 }
 367
 368 /*******************************************************************************
 369 * mvCpuIfTargetWinGet - Get CPU-to-peripheral target address window
 370 *
 371 * DESCRIPTION:
 372 *               Get the CPU peripheral target address window.
 373 *
 374 * INPUT:
 375 *       target - Peripheral target enumerator
 376 *
 377 * OUTPUT:
 378 *       pAddrDecWin - CPU target window information data structure.
 379 *
 380 * RETURN:
 381 *       MV_OK if target exist, MV_ERROR otherwise.
 382 *
 383 *******************************************************************************/
 384 MV_STATUS mvCpuIfTargetWinGet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin)
 385 {
 386
 387         MV_U32 winNum=0xffffffff;
 388         MV_AHB_TO_MBUS_DEC_WIN decWin;
 389         MV_DRAM_DEC_WIN addrDecWin;
 390
 391         target = MV_CHANGE_BOOT_CS(target);
 392
 393         /* Check parameters */
 394         if (target >= MAX_TARGETS)
 395         {
 396                 mvOsPrintf("mvCpuIfTargetWinGet: target %d is Illigal\n", target);
 397                 return MV_ERROR;
 398         }
 399
 400         if (MV_TARGET_IS_DRAM(target))
 401         {
 402                 if (mvDramIfWinGet(target,&addrDecWin) != MV_OK)
 403                 {
 404                         mvOsPrintf("mvCpuIfTargetWinGet: Failed to get window target %d\n",
 405                                            target);
 406                         return MV_ERROR;
 407                 }
 408
 409                 /* copy relevant data to MV_CPU_DEC_WIN structure */
 410                 pAddrDecWin->addrWin.baseLow = addrDecWin.addrWin.baseLow;
 411                 pAddrDecWin->addrWin.baseHigh = addrDecWin.addrWin.baseHigh;
 412                 pAddrDecWin->addrWin.size = addrDecWin.addrWin.size;
 413                 pAddrDecWin->enable = addrDecWin.enable;
 414                 pAddrDecWin->winNum = 0xffffffff;
 415
 416         }
 417         else
 418         {
 419                 /* get the Window number associated with this target */
 420
 421                 winNum = mvAhbToMbusWinTargetGet(target);
 422                 if (winNum >= MAX_AHB_TO_MBUS_WINS)
 423                 {
 424                         return MV_NO_SUCH;
 425
 426                 }
 427
 428                 if (mvAhbToMbusWinGet(winNum , &decWin) != MV_OK)
 429                 {
 430                         mvOsPrintf("%s: mvAhbToMbusWinGet Failed at winNum = %d\n",
 431                                            __FUNCTION__, winNum);
 432                         return MV_ERROR;
 433
 434                 }
 435
 436                 /* copy relevant data to MV_CPU_DEC_WIN structure */
 437                 pAddrDecWin->addrWin.baseLow = decWin.addrWin.baseLow;
 438                 pAddrDecWin->addrWin.baseHigh = decWin.addrWin.baseHigh;
 439                 pAddrDecWin->addrWin.size = decWin.addrWin.size;
 440                 pAddrDecWin->enable = decWin.enable;
 441                 pAddrDecWin->winNum = winNum;
 442
 443         }
 444
 445
 446
 447
 448         return MV_OK;
 449 }
 450
 451
 452 /*******************************************************************************
 453 * mvCpuIfTargetWinEnable - Enable/disable a CPU address decode window
 454 *
 455 * DESCRIPTION:
 456 *       This function enable/disable a CPU address decode window.
 457 *       if parameter 'enable' == MV_TRUE the routine will enable the
 458 *       window, thus enabling CPU accesses (before enabling the window it is
 459 *       tested for overlapping). Otherwise, the window will be disabled.
 460 *
 461 * INPUT:
 462 *       target - Peripheral target enumerator.
 463 *       enable - Enable/disable parameter.
 464 *
 465 * OUTPUT:
 466 *       N/A
 467 *
 468 * RETURN:
 469 *       MV_ERROR if protection window number was wrong, or the window
 470 *       overlapps other target window.
 471 *
 472 *******************************************************************************/
 473 MV_STATUS mvCpuIfTargetWinEnable(MV_TARGET target,MV_BOOL enable)
 474 {
 475         MV_U32 winNum, temp;
 476         MV_CPU_DEC_WIN addrDecWin;
 477
 478         target = MV_CHANGE_BOOT_CS(target);
 479
 480         /* Check parameters */
 481         if (target >= MAX_TARGETS)
 482         {
 483                 mvOsPrintf("mvCpuIfTargetWinEnable: target %d is Illigal\n", target);
 484                 return MV_ERROR;
 485         }
 486
 487         /* get the window and check if it exist */
 488         temp = mvCpuIfTargetWinGet(target, &addrDecWin);
 489         if (MV_NO_SUCH == temp)
 490         {
 491                 return (enable? MV_ERROR: MV_OK);
 492         }
 493         else if( MV_OK != temp)
 494         {
 495                 mvOsPrintf("%s: ERR. Getting target %d failed.\n",__FUNCTION__, target);
 496                 return MV_ERROR;
 497         }
 498
 499
 500         /* check overlap */
 501
 502         if (MV_TRUE == enable)
 503         {
 504                 if (MV_TRUE == cpuTargetWinOverlap(target, &addrDecWin.addrWin))
 505                 {
 506                         DB(mvOsPrintf("%s: ERR. Target %d overlap\n",__FUNCTION__, target));
 507                         return MV_ERROR;
 508                 }
 509
 510         }
 511
 512
 513         if (MV_TARGET_IS_DRAM(target))
 514         {
 515                 if (mvDramIfWinEnable(target , enable) != MV_OK)
 516                 {
 517                         mvOsPrintf("mvCpuIfTargetWinGet: mvDramIfWinEnable Failed at \n");
 518                         return MV_ERROR;
 519
 520                 }
 521
 522         }
 523         else
 524         {
 525                 /* get the Window number associated with this target */
 526
 527                 winNum = mvAhbToMbusWinTargetGet(target);
 528
 529                 if (winNum >= MAX_AHB_TO_MBUS_WINS)
 530                 {
 531                         return (enable? MV_ERROR: MV_OK);
 532                 }
 533
 534                 if (mvAhbToMbusWinEnable(winNum , enable) != MV_OK)
 535                 {
 536                         mvOsPrintf("mvCpuIfTargetWinGet: Failed to enable window = %d\n",
 537                                            winNum);
 538                         return MV_ERROR;
 539
 540                 }
 541
 542         }
 543
 544         return MV_OK;
 545 }
 546
 547
 548 /*******************************************************************************
 549 * mvCpuIfTargetWinSizeGet - Get CPU target address window size
 550 *
 551 * DESCRIPTION:
 552 *               Get the size of CPU-to-peripheral target window.
 553 *
 554 * INPUT:
 555 *       target - Peripheral target enumerator
 556 *
 557 * OUTPUT:
 558 *       None.
 559 *
 560 * RETURN:
 561 *       32bit size. Function also returns '0' if window is closed.
 562 *               Function returns 0xFFFFFFFF in case of an error.
 563 *
 564 *******************************************************************************/
 565 MV_U32    mvCpuIfTargetWinSizeGet(MV_TARGET target)
 566 {
 567         MV_CPU_DEC_WIN addrDecWin;
 568
 569         target = MV_CHANGE_BOOT_CS(target);
 570
 571         /* Check parameters */
 572         if (target >= MAX_TARGETS)
 573         {
 574                 mvOsPrintf("mvCpuIfTargetWinSizeGet: target %d is Illigal\n", target);
 575                 return 0;
 576         }
 577
 578     /* Get the winNum window */
 579         if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
 580         {
 581                 mvOsPrintf("mvCpuIfTargetWinSizeGet:ERR. Getting target %d failed.\n",
 582                                                                         target);
 583                 return 0;
 584         }
 585
 586         /* Check if window is enabled   */
 587         if (addrDecWin.enable == MV_TRUE)
 588     {
 589                 return (addrDecWin.addrWin.size);
 590     }
 591     else
 592     {
 593         return 0;               /* Window disabled. return 0 */
 594     }
 595 }
 596
 597 /*******************************************************************************
 598 * mvCpuIfTargetWinBaseLowGet - Get CPU target address window base low
 599 *
 600 * DESCRIPTION:
 601 *       CPU-to-peripheral target address window base is constructed of
 602 *       two parts: Low and high.
 603 *               This function gets the CPU peripheral target low base address.
 604 *
 605 * INPUT:
 606 *       target - Peripheral target enumerator
 607 *
 608 * OUTPUT:
 609 *       None.
 610 *
 611 * RETURN:
 612 *       32bit low base address.
 613 *
 614 *******************************************************************************/
 615 MV_U32   mvCpuIfTargetWinBaseLowGet(MV_TARGET target)
 616 {
 617         MV_CPU_DEC_WIN addrDecWin;
 618
 619         target = MV_CHANGE_BOOT_CS(target);
 620
 621         /* Check parameters */
 622         if (target >= MAX_TARGETS)
 623         {
 624                 mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target);
 625                 return 0xffffffff;
 626         }
 627
 628     /* Get the target window */
 629         if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
 630         {
 631                 mvOsPrintf("mvCpuIfTargetWinBaseLowGet:ERR. Getting target %d failed.\n",
 632                                                                         target);
 633                 return 0xffffffff;
 634         }
 635
 636         if (MV_FALSE == addrDecWin.enable)
 637         {
 638                 return 0xffffffff;
 639         }
 640         return (addrDecWin.addrWin.baseLow);
 641 }
 642
 643 /*******************************************************************************
 644 * mvCpuIfTargetWinBaseHighGet - Get CPU target address window base high
 645 *
 646 * DESCRIPTION:
 647 *       CPU-to-peripheral target address window base is constructed of
 648 *       two parts: Low and high.
 649 *               This function gets the CPU peripheral target high base address.
 650 *
 651 * INPUT:
 652 *       target - Peripheral target enumerator
 653 *
 654 * OUTPUT:
 655 *       None.
 656 *
 657 * RETURN:
 658 *       32bit high base address.
 659 *
 660 *******************************************************************************/
 661 MV_U32    mvCpuIfTargetWinBaseHighGet(MV_TARGET target)
 662 {
 663         MV_CPU_DEC_WIN addrDecWin;
 664
 665         target = MV_CHANGE_BOOT_CS(target);
 666
 667         /* Check parameters */
 668         if (target >= MAX_TARGETS)
 669         {
 670                 mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target);
 671                 return 0xffffffff;
 672         }
 673
 674     /* Get the target window */
 675         if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
 676         {
 677                 mvOsPrintf("mvCpuIfTargetWinBaseHighGet:ERR. Getting target %d failed.\n",
 678                                                                         target);
 679                 return 0xffffffff;
 680         }
 681
 682         if (MV_FALSE == addrDecWin.enable)
 683         {
 684                 return 0;
 685         }
 686
 687         return (addrDecWin.addrWin.baseHigh);
 688 }
 689
 690 #if defined(MV_INCLUDE_PEX)
 691 /*******************************************************************************
 692 * mvCpuIfPexRemap - Set CPU remap register for address windows.
 693 *
 694 * DESCRIPTION:
 695 *
 696 * INPUT:
 697 *       pexTarget   - Peripheral target enumerator. Must be a PEX target.
 698 *       pAddrDecWin - CPU target window information data structure.
 699 *                     Note that caller has to fill in the base field only. The
 700 *                     size field is ignored.
 701 *
 702 * OUTPUT:
 703 *       None.
 704 *
 705 * RETURN:
 706 *       MV_ERROR if target is not a PEX one, MV_OK otherwise.
 707 *
 708 *******************************************************************************/
 709 MV_U32 mvCpuIfPexRemap(MV_TARGET pexTarget, MV_ADDR_WIN *pAddrDecWin)
 710 {
 711         MV_U32 winNum;
 712
 713         /* Check parameters */
 714
 715         if (mvCtrlPexMaxIfGet() > 1)
 716         {
 717                 if ((!MV_TARGET_IS_PEX1(pexTarget))&&(!MV_TARGET_IS_PEX0(pexTarget)))
 718                 {
 719                         mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget);
 720                         return 0xffffffff;
 721                 }
 722
 723         }
 724         else
 725         {
 726                 if (!MV_TARGET_IS_PEX0(pexTarget))
 727                 {
 728                         mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget);
 729                         return 0xffffffff;
 730                 }
 731
 732         }
 733
 734         /* get the Window number associated with this target */
 735         winNum = mvAhbToMbusWinTargetGet(pexTarget);
 736
 737         if (winNum >= MAX_AHB_TO_MBUS_WINS)
 738         {
 739                 mvOsPrintf("mvCpuIfPexRemap: mvAhbToMbusWinTargetGet Failed\n");
 740                 return 0xffffffff;
 741
 742         }
 743
 744         return mvAhbToMbusWinRemap(winNum , pAddrDecWin);
 745 }
 746
 747 #endif
 748
 749 #if defined(MV_INCLUDE_PCI)
 750 /*******************************************************************************
 751 * mvCpuIfPciRemap - Set CPU remap register for address windows.
 752 *
 753 * DESCRIPTION:
 754 *
 755 * INPUT:
 756 *       pciTarget   - Peripheral target enumerator. Must be a PCI target.
 757 *       pAddrDecWin - CPU target window information data structure.
 758 *                     Note that caller has to fill in the base field only. The
 759 *                     size field is ignored.
 760 *
 761 * OUTPUT:
 762 *       None.
 763 *
 764 * RETURN:
 765 *       MV_ERROR if target is not a PCI one, MV_OK otherwise.
 766 *
 767 *******************************************************************************/
 768 MV_U32 mvCpuIfPciRemap(MV_TARGET pciTarget, MV_ADDR_WIN *pAddrDecWin)
 769 {
 770         MV_U32 winNum;
 771
 772         /* Check parameters */
 773         if (!MV_TARGET_IS_PCI(pciTarget))
 774         {
 775                 mvOsPrintf("mvCpuIfPciRemap: target %d is Illigal\n",pciTarget);
 776                 return 0xffffffff;
 777         }
 778
 779         /* get the Window number associated with this target */
 780         winNum = mvAhbToMbusWinTargetGet(pciTarget);
 781
 782         if (winNum >= MAX_AHB_TO_MBUS_WINS)
 783         {
 784                 mvOsPrintf("mvCpuIfPciRemap: mvAhbToMbusWinTargetGet Failed\n");
 785                 return 0xffffffff;
 786
 787         }
 788
 789         return mvAhbToMbusWinRemap(winNum , pAddrDecWin);
 790 }
 791 #endif /* MV_INCLUDE_PCI */
 792
 793
 794 /*******************************************************************************
 795 * mvCpuIfPciIfRemap - Set CPU remap register for address windows.
 796 *
 797 * DESCRIPTION:
 798 *
 799 * INPUT:
 800 *       pciTarget   - Peripheral target enumerator. Must be a PCI target.
 801 *       pAddrDecWin - CPU target window information data structure.
 802 *                     Note that caller has to fill in the base field only. The
 803 *                     size field is ignored.
 804 *
 805 * OUTPUT:
 806 *       None.
 807 *
 808 * RETURN:
 809 *       MV_ERROR if target is not a PCI one, MV_OK otherwise.
 810 *
 811 *******************************************************************************/
 812 MV_U32 mvCpuIfPciIfRemap(MV_TARGET pciIfTarget, MV_ADDR_WIN *pAddrDecWin)
 813 {
 814 #if defined(MV_INCLUDE_PEX)
 815         if (MV_TARGET_IS_PEX(pciIfTarget))
 816         {
 817                 return mvCpuIfPexRemap(pciIfTarget,pAddrDecWin);
 818         }
 819 #endif
 820 #if defined(MV_INCLUDE_PCI)
 821
 822         if (MV_TARGET_IS_PCI(pciIfTarget))
 823         {
 824                 return mvCpuIfPciRemap(pciIfTarget,pAddrDecWin);
 825         }
 826 #endif
 827         return 0;
 828 }
 829
 830
 831
 832 /*******************************************************************************
 833 * mvCpuIfTargetOfBaseAddressGet - Get the target according to base address
 834 *
 835 * DESCRIPTION:
 836 *
 837 * INPUT:
 838 *       baseAddress -  base address to be checked
 839 *
 840 * OUTPUT:
 841 *       None.
 842 *
 843 * RETURN:
 844 *       the target number that baseAddress belongs to or MAX_TARGETS is not
 845 *       found
 846 *
 847 *******************************************************************************/
 848
 849 MV_TARGET mvCpuIfTargetOfBaseAddressGet(MV_U32 baseAddress)
 850 {
 851         MV_CPU_DEC_WIN win;
 852         MV_U32 target;
 853
 854         for( target = 0; target < MAX_TARGETS; target++ )
 855         {
 856                 if( mvCpuIfTargetWinGet( target, &win ) == MV_OK )
 857                 {
 858                         if( win.enable )
 859                         {
 860                                 if ((baseAddress >= win.addrWin.baseLow) &&
 861                                         (baseAddress < win.addrWin.baseLow + win.addrWin.size)) break;
 862             }
 863                 }
 864                 else return MAX_TARGETS;
 865
 866         }
 867
 868         return target;
 869 }
 870 /*******************************************************************************
 871 * cpuTargetWinOverlap - Detect CPU address decode windows overlapping
 872 *
 873 * DESCRIPTION:
 874 *       An unpredicted behaviur is expected in case CPU address decode
 875 *       windows overlapps.
 876 *       This function detects CPU address decode windows overlapping of a
 877 *       specified target. The function does not check the target itself for
 878 *       overlapping. The function also skipps disabled address decode windows.
 879 *
 880 * INPUT:
 881 *       target      - Peripheral target enumerator.
 882 *       pAddrDecWin - An address decode window struct.
 883 *
 884 * OUTPUT:
 885 *       None.
 886 *
 887 * RETURN:
 888 *       MV_TRUE if the given address window overlaps current address
 889 *       decode map, MV_FALSE otherwise.
 890 *
 891 *******************************************************************************/
 892 static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin)
 893 {
 894     MV_U32                      targetNum;
 895     MV_CPU_DEC_WIN      addrDecWin;
 896         MV_STATUS               status;
 897
 898
 899         for(targetNum = 0; targetNum < MAX_TARGETS; targetNum++)
 900     {
 901 #if defined(MV_RUN_FROM_FLASH)
 902                 if(MV_TARGET_IS_AS_BOOT(target))
 903                 {
 904                         if (MV_CHANGE_BOOT_CS(targetNum) == target)
 905                                 continue;
 906                 }
 907 #endif /* MV_RUN_FROM_FLASH */
 908
 909                 /* don't check our target or illegal targets */
 910         if (targetNum == target)
 911         {
 912             continue;
 913         }
 914
 915                 /* Get window parameters        */
 916                 status = mvCpuIfTargetWinGet(targetNum, &addrDecWin);
 917         if(MV_NO_SUCH == status)
 918         {
 919             continue;
 920         }
 921                 if(MV_OK != status)
 922                 {
 923                         DB(mvOsPrintf("cpuTargetWinOverlap: ERR. TargetWinGet failed\n"));
 924             return MV_TRUE;
 925                 }
 926
 927                 /* Do not check disabled windows        */
 928                 if (MV_FALSE == addrDecWin.enable)
 929                 {
 930                         continue;
 931                 }
 932
 933         if(MV_TRUE == ctrlWinOverlapTest(pAddrWin, &addrDecWin.addrWin))
 934                 {
 935                         DB(mvOsPrintf(
 936                         "cpuTargetWinOverlap: Required target %d overlap current %d\n",
 937                                                                 target, targetNum));
 938                         return MV_TRUE;
 939                 }
 940     }
 941
 942         return MV_FALSE;
 943
 944 }
 945
 946 /*******************************************************************************
 947 * mvCpuIfAddDecShow - Print the CPU address decode map.
 948 *
 949 * DESCRIPTION:
 950 *               This function print the CPU address decode map.
 951 *
 952 * INPUT:
 953 *       None.
 954 *
 955 * OUTPUT:
 956 *       None.
 957 *
 958 * RETURN:
 959 *       None.
 960 *
 961 *******************************************************************************/
 962 MV_VOID mvCpuIfAddDecShow(MV_VOID)
 963 {
 964         MV_CPU_DEC_WIN win;
 965         MV_U32 target;
 966         mvOsOutput( "\n" );
 967         mvOsOutput( "CPU Interface\n" );
 968         mvOsOutput( "-------------\n" );
 969
 970         for( target = 0; target < MAX_TARGETS; target++ )
 971         {
 972
 973                 memset( &win, 0, sizeof(MV_CPU_DEC_WIN) );
 974
 975                 mvOsOutput( "%s ",mvCtrlTargetNameGet(target));
 976                 mvOsOutput( "...." );
 977
 978                 if( mvCpuIfTargetWinGet( target, &win ) == MV_OK )
 979                 {
 980                         if( win.enable )
 981                         {
 982                                 mvOsOutput( "base %08x, ", win.addrWin.baseLow );
 983                                 mvSizePrint( win.addrWin.size );
 984                                 mvOsOutput( "\n" );
 985
 986             }
 987                         else
 988                                 mvOsOutput( "disable\n" );
 989                 }
 990                 else if( mvCpuIfTargetWinGet( target, &win ) == MV_NO_SUCH )
 991                 {
 992                                 mvOsOutput( "no such\n" );
 993                 }
 994         }
 995 }
 996
 997 /*******************************************************************************
 998 * mvCpuIfEnablePex - Enable PCI Express.
 999 *
1000 * DESCRIPTION:
1001 *               This function Enable PCI Express.
1002 *
1003 * INPUT:
1004 *       pexIf   -  PEX interface number.
1005 *       pexType -  MV_PEX_ROOT_COMPLEX - root complex device
1006 *                  MV_PEX_END_POINT - end point device
1007 * OUTPUT:
1008 *       None.
1009 *
1010 * RETURN:
1011 *       None.
1012 *
1013 *******************************************************************************/
1014 #if defined(MV_INCLUDE_PEX)
1015 MV_VOID mvCpuIfEnablePex(MV_U32 pexIf, MV_PEX_TYPE pexType)
1016 {
1017         /* Set pex mode incase S@R not exist */
1018         if( pexType == MV_PEX_END_POINT)
1019         {
1020                 MV_REG_BIT_RESET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK);
1021                 /* Change pex mode in capability reg */
1022                 MV_REG_BIT_RESET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT22);
1023                 MV_REG_BIT_SET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT20);
1024
1025         }
1026         else
1027         {
1028                 MV_REG_BIT_SET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK);
1029         }
1030
1031         /* CPU config register Pex enable */
1032         MV_REG_BIT_SET(CPU_CTRL_STAT_REG,CCSR_PCI_ACCESS_MASK);
1033 }
1034 #endif
1035
1036