target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysSata.c

   1 /*******************************************************************************
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  37 modify this File under the following licensing terms.
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  49         used to endorse or promote products derived from this software without
  50         specific prior written permission.
  51
  52 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  53 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  54 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  55 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  56 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  57 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  58 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  59 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  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 #include "mvTypes.h"
  67 #include "mvCommon.h"
  68 #include "mvOs.h"
  69 #include "ctrlEnv/mvCtrlEnvLib.h"
  70 #include "cpu/mvCpu.h"
  71 #include "ctrlEnv/sys/mvCpuIf.h"
  72 #include "sata/CoreDriver/mvRegs.h"
  73 #include "ctrlEnv/sys/mvSysSata.h"
  74
  75 MV_TARGET sataAddrDecPrioTab[] =
  76 {
  77 #if defined(MV_INCLUDE_SDRAM_CS0)
  78     SDRAM_CS0,
  79 #endif
  80 #if defined(MV_INCLUDE_SDRAM_CS1)
  81     SDRAM_CS1,
  82 #endif
  83 #if defined(MV_INCLUDE_SDRAM_CS2)
  84     SDRAM_CS2,
  85 #endif
  86 #if defined(MV_INCLUDE_SDRAM_CS3)
  87     SDRAM_CS3,
  88 #endif
  89 #if defined(MV_INCLUDE_PEX)
  90         PEX0_MEM,
  91 #endif
  92         TBL_TERM
  93 };
  94
  95
  96 /*******************************************************************************
  97 * sataWinOverlapDetect - Detect SATA address windows overlapping
  98 *
  99 * DESCRIPTION:
 100 *       An unpredicted behaviur is expected in case SATA address decode
 101 *       windows overlapps.
 102 *       This function detects SATA address decode windows overlapping of a
 103 *       specified window. The function does not check the window itself for
 104 *       overlapping. The function also skipps disabled address decode windows.
 105 *
 106 * INPUT:
 107 *       winNum      - address decode window number.
 108 *       pAddrDecWin - An address decode window struct.
 109 *
 110 * OUTPUT:
 111 *       None.
 112 *
 113 * RETURN:
 114 *       MV_TRUE if the given address window overlap current address
 115 *       decode map, MV_FALSE otherwise, MV_ERROR if reading invalid data
 116 *       from registers.
 117 *
 118 *******************************************************************************/
 119 static MV_STATUS sataWinOverlapDetect(int dev, MV_U32 winNum,
 120                                       MV_ADDR_WIN *pAddrWin)
 121 {
 122     MV_U32          winNumIndex;
 123     MV_SATA_DEC_WIN  addrDecWin;
 124
 125     for(winNumIndex=0; winNumIndex<MV_SATA_MAX_ADDR_DECODE_WIN; winNumIndex++)
 126     {
 127         /* Do not check window itself       */
 128         if (winNumIndex == winNum)
 129         {
 130             continue;
 131         }
 132
 133         /* Get window parameters    */
 134         if (MV_OK != mvSataWinGet(dev, winNumIndex, &addrDecWin))
 135         {
 136             mvOsPrintf("%s: ERR. TargetWinGet failed\n", __FUNCTION__);
 137             return MV_ERROR;
 138         }
 139
 140         /* Do not check disabled windows    */
 141         if(addrDecWin.enable == MV_FALSE)
 142         {
 143             continue;
 144         }
 145
 146         if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin)))
 147         {
 148             return MV_TRUE;
 149         }
 150     }
 151     return MV_FALSE;
 152 }
 153
 154
 155 /*******************************************************************************
 156 * mvSataWinSet - Set SATA target address window
 157 *
 158 * DESCRIPTION:
 159 *       This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0)
 160 *       address window, also known as address decode window.
 161 *       After setting this target window, the SATA will be able to access the
 162 *       target within the address window.
 163 *
 164 * INPUT:
 165 *       winNum      - SATA target address decode window number.
 166 *       pAddrDecWin - SATA target window data structure.
 167 *
 168 * OUTPUT:
 169 *       None.
 170 *
 171 * RETURN:
 172 *       MV_ERROR if address window overlapps with other address decode windows.
 173 *       MV_BAD_PARAM if base address is invalid parameter or target is
 174 *       unknown.
 175 *
 176 *******************************************************************************/
 177 MV_STATUS mvSataWinSet(int dev, MV_U32 winNum, MV_SATA_DEC_WIN *pAddrDecWin)
 178 {
 179     MV_TARGET_ATTRIB    targetAttribs;
 180     MV_DEC_REGS         decRegs;
 181
 182     /* Parameter checking   */
 183     if (winNum >= MV_SATA_MAX_ADDR_DECODE_WIN)
 184     {
 185         mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum);
 186         return MV_BAD_PARAM;
 187     }
 188
 189     /* Check if the requested window overlapps with current windows         */
 190     if (MV_TRUE == sataWinOverlapDetect(dev, winNum, &pAddrDecWin->addrWin))
 191     {
 192         mvOsPrintf("%s: ERR. Window %d overlap\n", __FUNCTION__, winNum);
 193         return MV_ERROR;
 194     }
 195
 196     /* check if address is aligned to the size */
 197     if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
 198     {
 199         mvOsPrintf("mvSataWinSet:Error setting SATA window %d to "\
 200                    "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n",
 201                    winNum,
 202                    mvCtrlTargetNameGet(pAddrDecWin->target),
 203                    pAddrDecWin->addrWin.baseLow,
 204                    pAddrDecWin->addrWin.size);
 205         return MV_ERROR;
 206     }
 207
 208     decRegs.baseReg = 0;
 209     decRegs.sizeReg = 0;
 210
 211     if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
 212     {
 213         mvOsPrintf("%s: mvCtrlAddrDecToReg Failed\n", __FUNCTION__);
 214         return MV_ERROR;
 215     }
 216
 217     mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);
 218
 219     /* set attributes */
 220     decRegs.sizeReg &= ~MV_SATA_WIN_ATTR_MASK;
 221     decRegs.sizeReg |= (targetAttribs.attrib << MV_SATA_WIN_ATTR_OFFSET);
 222
 223     /* set target ID */
 224     decRegs.sizeReg &= ~MV_SATA_WIN_TARGET_MASK;
 225     decRegs.sizeReg |= (targetAttribs.targetId << MV_SATA_WIN_TARGET_OFFSET);
 226
 227     if (pAddrDecWin->enable == MV_TRUE)
 228     {
 229         decRegs.sizeReg |= MV_SATA_WIN_ENABLE_MASK;
 230     }
 231     else
 232     {
 233         decRegs.sizeReg &= ~MV_SATA_WIN_ENABLE_MASK;
 234     }
 235
 236     MV_REG_WRITE( MV_SATA_WIN_CTRL_REG(dev, winNum), decRegs.sizeReg);
 237     MV_REG_WRITE( MV_SATA_WIN_BASE_REG(dev, winNum), decRegs.baseReg);
 238
 239     return MV_OK;
 240 }
 241
 242 /*******************************************************************************
 243 * mvSataWinGet - Get SATA peripheral target address window.
 244 *
 245 * DESCRIPTION:
 246 *       Get SATA peripheral target address window.
 247 *
 248 * INPUT:
 249 *       winNum - SATA target address decode window number.
 250 *
 251 * OUTPUT:
 252 *       pAddrDecWin - SATA target window data structure.
 253 *
 254 * RETURN:
 255 *       MV_ERROR if register parameters are invalid.
 256 *
 257 *******************************************************************************/
 258 MV_STATUS mvSataWinGet(int dev, MV_U32 winNum, MV_SATA_DEC_WIN *pAddrDecWin)
 259 {
 260     MV_DEC_REGS         decRegs;
 261     MV_TARGET_ATTRIB    targetAttrib;
 262
 263     /* Parameter checking   */
 264     if (winNum >= MV_SATA_MAX_ADDR_DECODE_WIN)
 265     {
 266         mvOsPrintf("%s (dev=%d): ERR. Invalid winNum %d\n",
 267                     __FUNCTION__, dev, winNum);
 268         return MV_NOT_SUPPORTED;
 269     }
 270
 271     decRegs.baseReg = MV_REG_READ( MV_SATA_WIN_BASE_REG(dev, winNum) );
 272     decRegs.sizeReg = MV_REG_READ( MV_SATA_WIN_CTRL_REG(dev, winNum) );
 273
 274     if (MV_OK != mvCtrlRegToAddrDec(&decRegs, &pAddrDecWin->addrWin) )
 275     {
 276         mvOsPrintf("%s: mvCtrlRegToAddrDec Failed\n", __FUNCTION__);
 277         return MV_ERROR;
 278     }
 279
 280     /* attrib and targetId */
 281     targetAttrib.attrib = (decRegs.sizeReg & MV_SATA_WIN_ATTR_MASK) >>
 282                 MV_SATA_WIN_ATTR_OFFSET;
 283     targetAttrib.targetId = (decRegs.sizeReg & MV_SATA_WIN_TARGET_MASK) >>
 284                 MV_SATA_WIN_TARGET_OFFSET;
 285
 286     pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib);
 287
 288     /* Check if window is enabled   */
 289     if(decRegs.sizeReg & MV_SATA_WIN_ENABLE_MASK)
 290     {
 291         pAddrDecWin->enable = MV_TRUE;
 292     }
 293     else
 294     {
 295         pAddrDecWin->enable = MV_FALSE;
 296     }
 297     return MV_OK;
 298 }
 299 /*******************************************************************************
 300 * mvSataAddrDecShow - Print the SATA address decode map.
 301 *
 302 * DESCRIPTION:
 303 *               This function print the SATA address decode map.
 304 *
 305 * INPUT:
 306 *       None.
 307 *
 308 * OUTPUT:
 309 *       None.
 310 *
 311 * RETURN:
 312 *       None.
 313 *
 314 *******************************************************************************/
 315 MV_VOID mvSataAddrDecShow(MV_VOID)
 316 {
 317
 318         MV_SATA_DEC_WIN win;
 319         int i,j;
 320
 321
 322
 323     for( j = 0; j < MV_SATA_MAX_CHAN; j++ )
 324     {
 325         if (MV_FALSE == mvCtrlPwrClckGet(SATA_UNIT_ID, j))
 326                 return;
 327
 328         mvOsOutput( "\n" );
 329         mvOsOutput( "SATA %d:\n", j );
 330         mvOsOutput( "----\n" );
 331
 332         for( i = 0; i < MV_SATA_MAX_ADDR_DECODE_WIN; i++ )
 333         {
 334             memset( &win, 0, sizeof(MV_SATA_DEC_WIN) );
 335
 336             mvOsOutput( "win%d - ", i );
 337
 338             if( mvSataWinGet(j, i, &win ) == MV_OK )
 339             {
 340                 if( win.enable )
 341                 {
 342                     mvOsOutput( "%s base %08x, ",
 343                     mvCtrlTargetNameGet(win.target), win.addrWin.baseLow );
 344                     mvOsOutput( "...." );
 345
 346                     mvSizePrint( win.addrWin.size );
 347
 348                     mvOsOutput( "\n" );
 349                 }
 350                 else
 351                 mvOsOutput( "disable\n" );
 352             }
 353         }
 354     }
 355 }
 356
 357
 358 /*******************************************************************************
 359 * mvSataWinInit - Initialize the integrated SATA target address window.
 360 *
 361 * DESCRIPTION:
 362 *       Initialize the SATA peripheral target address window.
 363 *
 364 * INPUT:
 365 *
 366 *
 367 * OUTPUT:
 368 *
 369 *
 370 * RETURN:
 371 *       MV_ERROR if register parameters are invalid.
 372 *
 373 *******************************************************************************/
 374 MV_STATUS mvSataWinInit(MV_VOID)
 375 {
 376     int             winNum;
 377     MV_SATA_DEC_WIN  sataWin;
 378     MV_CPU_DEC_WIN  cpuAddrDecWin;
 379     MV_U32          status, winPrioIndex = 0;
 380
 381     /* Initiate Sata address decode */
 382
 383     /* First disable all address decode windows */
 384     for(winNum = 0; winNum < MV_SATA_MAX_ADDR_DECODE_WIN; winNum++)
 385     {
 386         MV_U32  regVal = MV_REG_READ(MV_SATA_WIN_CTRL_REG(0, winNum));
 387         regVal &= ~MV_SATA_WIN_ENABLE_MASK;
 388         MV_REG_WRITE(MV_SATA_WIN_CTRL_REG(0, winNum), regVal);
 389     }
 390
 391     winNum = 0;
 392     while( (sataAddrDecPrioTab[winPrioIndex] != TBL_TERM) &&
 393            (winNum < MV_SATA_MAX_ADDR_DECODE_WIN) )
 394     {
 395         /* first get attributes from CPU If */
 396         status = mvCpuIfTargetWinGet(sataAddrDecPrioTab[winPrioIndex],
 397                                      &cpuAddrDecWin);
 398
 399         if(MV_NO_SUCH == status)
 400         {
 401             winPrioIndex++;
 402             continue;
 403         }
 404         if (MV_OK != status)
 405         {
 406             mvOsPrintf("%s: ERR. mvCpuIfTargetWinGet failed\n", __FUNCTION__);
 407             return MV_ERROR;
 408         }
 409
 410         if (cpuAddrDecWin.enable == MV_TRUE)
 411         {
 412             sataWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
 413             sataWin.addrWin.baseLow  = cpuAddrDecWin.addrWin.baseLow;
 414             sataWin.addrWin.size     = cpuAddrDecWin.addrWin.size;
 415             sataWin.enable           = MV_TRUE;
 416             sataWin.target           = sataAddrDecPrioTab[winPrioIndex];
 417
 418             if(MV_OK != mvSataWinSet(0/*dev*/, winNum, &sataWin))
 419             {
 420                 return MV_ERROR;
 421             }
 422             winNum++;
 423         }
 424         winPrioIndex++;
 425     }
 426     return MV_OK;
 427 }
 428
 429
 430