/*******************************************************************************
* mvSataWinWrite - Set SATA target address window
*
* DESCRIPTION:
*       This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0) 
*       address window, also known as address decode window. 
*       After setting this target window, the SATA will be able to access the 
*       target within the address window. 
*
* INPUT:
*       winNum      - SATA target address decode window number.
*       pAddrDecWin - SATA target window data structure.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_ERROR if address window overlapps with other address decode windows.
*       MV_BAD_PARAM if base address is invalid parameter or target is 
*       unknown.
*
*******************************************************************************/
MV_STATUS mvSataWinWrite(MV_U32 dev, MV_U32 winNum, MV_UNIT_WIN_INFO *pAddrDecWin)
{
    MV_U32  sizeReg, baseReg;

    /* Parameter checking   */
    if (winNum >= MV_SATA_MAX_ADDR_DECODE_WIN)
    {
        mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum);
        return MV_BAD_PARAM;
    }
    
    /* Check if the requested window overlapps with current windows         */
    if (MV_TRUE == sataWinOverlapDetect(dev, winNum, &pAddrDecWin->addrWin))
    {
        mvOsPrintf("%s: ERR. Window %d overlap\n", __FUNCTION__, winNum);
        return MV_ERROR;
    }

    /* check if address is aligned to the size */
    if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
    {
	mvOsPrintf("mvSataWinSet:Error setting SATA window %d.\n"\
		   "Address 0x%08x is unaligned to size 0x%x.\n",
		   winNum,
		   pAddrDecWin->addrWin.baseLow,
		   pAddrDecWin->addrWin.size);
	return MV_ERROR;
    }

    baseReg = pAddrDecWin->addrWin.baseLow & MV_SATA_WIN_BASE_MASK;
    sizeReg = (pAddrDecWin->addrWin.size / MV_SATA_WIN_SIZE_ALIGN) - 1;
    sizeReg = sizeReg << MV_SATA_WIN_SIZE_OFFSET;

    /* set attributes */
    sizeReg &= ~MV_SATA_WIN_ATTR_MASK;
    sizeReg |= (pAddrDecWin->attrib << MV_SATA_WIN_ATTR_OFFSET);

    /* set target ID */
    sizeReg &= ~MV_SATA_WIN_TARGET_MASK;
    sizeReg |= (pAddrDecWin->targetId << MV_SATA_WIN_TARGET_OFFSET);

    if (pAddrDecWin->enable == MV_TRUE)
        sizeReg |= MV_SATA_WIN_ENABLE_MASK;
    else
        sizeReg &= ~MV_SATA_WIN_ENABLE_MASK;

    MV_REG_WRITE( MV_SATA_WIN_CTRL_REG(dev, winNum), sizeReg);
    MV_REG_WRITE( MV_SATA_WIN_BASE_REG(dev, winNum), baseReg);
    
    return MV_OK;
}
Example #2
0
/*******************************************************************************
* mvSataWinSet - Set SATA target address window
*
* DESCRIPTION:
*       This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0)
*       address window, also known as address decode window.
*       After setting this target window, the SATA will be able to access the
*       target within the address window.
*
* INPUT:
*       winNum      - SATA target address decode window number.
*       pAddrDecWin - SATA target window data structure.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_ERROR if address window overlapps with other address decode windows.
*       MV_BAD_PARAM if base address is invalid parameter or target is
*       unknown.
*
*******************************************************************************/
MV_STATUS mvSataWinSet(int dev, MV_U32 winNum, MV_SATA_DEC_WIN *pAddrDecWin)
{
    MV_TARGET_ATTRIB    targetAttribs;
    MV_DEC_REGS         decRegs;

    /* Parameter checking   */
    if (winNum >= MV_SATA_MAX_ADDR_DECODE_WIN)
    {
        mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum);
        return MV_BAD_PARAM;
    }

    /* Check if the requested window overlapps with current windows         */
    if (MV_TRUE == sataWinOverlapDetect(dev, winNum, &pAddrDecWin->addrWin))
    {
        mvOsPrintf("%s: ERR. Window %d overlap\n", __FUNCTION__, winNum);
        return MV_ERROR;
    }

    /* check if address is aligned to the size */
    if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
    {
        mvOsPrintf("mvSataWinSet:Error setting SATA window %d to "\
                   "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n",
                   winNum,
                   mvCtrlTargetNameGet(pAddrDecWin->target),
                   pAddrDecWin->addrWin.baseLow,
                   pAddrDecWin->addrWin.size);
        return MV_ERROR;
    }

    decRegs.baseReg = 0;
    decRegs.sizeReg = 0;

    if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
    {
        mvOsPrintf("%s: mvCtrlAddrDecToReg Failed\n", __FUNCTION__);
        return MV_ERROR;
    }

    mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);

    /* set attributes */
    decRegs.sizeReg &= ~MV_SATA_WIN_ATTR_MASK;
    decRegs.sizeReg |= (targetAttribs.attrib << MV_SATA_WIN_ATTR_OFFSET);

    /* set target ID */
    decRegs.sizeReg &= ~MV_SATA_WIN_TARGET_MASK;
    decRegs.sizeReg |= (targetAttribs.targetId << MV_SATA_WIN_TARGET_OFFSET);

    if (pAddrDecWin->enable == MV_TRUE)
    {
        decRegs.sizeReg |= MV_SATA_WIN_ENABLE_MASK;
    }
    else
    {
        decRegs.sizeReg &= ~MV_SATA_WIN_ENABLE_MASK;
    }

    MV_REG_WRITE( MV_SATA_WIN_CTRL_REG(dev, winNum), decRegs.sizeReg);
    MV_REG_WRITE( MV_SATA_WIN_BASE_REG(dev, winNum), decRegs.baseReg);

    return MV_OK;
}