/*******************************************************************************
* mvUsbWinSet - Set USB 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 USB will be able to access the
* target within the address window.
*
* INPUT:
* winNum - USB target address decode window number.
* pAddrDecWin - USB 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 mvUsbWinSet(int dev, MV_U32 winNum, MV_DEC_WIN *pDecWin)
{
MV_DEC_WIN_PARAMS winParams;
MV_U32 sizeReg, baseReg;
/* Parameter checking */
if (winNum >= MV_USB_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 == usbWinOverlapDetect(dev, winNum, &pDecWin->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(pDecWin->addrWin.baseLow, pDecWin->addrWin.size))
{
mvOsPrintf("mvUsbWinSet:Error setting USB window %d to "\
"target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n",
winNum,
mvCtrlTargetNameGet(pDecWin->target),
pDecWin->addrWin.baseLow,
pDecWin->addrWin.size);
return MV_ERROR;
}
if(MV_OK != mvCtrlAddrDecToParams(pDecWin, &winParams))
{
mvOsPrintf("%s: mvCtrlAddrDecToParams Failed\n", __FUNCTION__);
return MV_ERROR;
}
/* set Size, Attributes and TargetID */
sizeReg = (((winParams.targetId << MV_USB_WIN_TARGET_OFFSET) & MV_USB_WIN_TARGET_MASK) |
((winParams.attrib << MV_USB_WIN_ATTR_OFFSET) & MV_USB_WIN_ATTR_MASK) |
((winParams.size << MV_USB_WIN_SIZE_OFFSET) & MV_USB_WIN_SIZE_MASK));
#if defined(MV645xx) || defined(MV646xx)
/* If window is DRAM with HW cache coherency, make sure bit2 is set */
sizeReg &= ~MV_USB_WIN_BURST_WR_LIMIT_MASK;
if((MV_TARGET_IS_DRAM(pDecWin->target)) &&
(pDecWin->addrWinAttr.cachePolicy != NO_COHERENCY))
{
sizeReg |= MV_USB_WIN_BURST_WR_32BIT_LIMIT;
}
else
{
sizeReg |= MV_USB_WIN_BURST_WR_NO_LIMIT;
}
#endif /* MV645xx || MV646xx */
if (pDecWin->enable == MV_TRUE)
{
sizeReg |= MV_USB_WIN_ENABLE_MASK;
}
else
{
sizeReg &= ~MV_USB_WIN_ENABLE_MASK;
}
/* Update Base value */
baseReg = (winParams.baseAddr & MV_USB_WIN_BASE_MASK);
MV_REG_WRITE( MV_USB_WIN_CTRL_REG(dev, winNum), sizeReg);
MV_REG_WRITE( MV_USB_WIN_BASE_REG(dev, winNum), baseReg);
return MV_OK;
}
/*******************************************************************************
* mvUsbWinWrite - Set USB 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 USB will be able to access the
* target within the address window.
*
* INPUT:
* winNum - USB target address decode window number.
* pAddrDecWin - USB 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 mvUsbWinWrite(MV_U32 dev, MV_U32 winNum, MV_UNIT_WIN_INFO *pDecWin)
{
MV_U32 sizeReg, baseReg;
MV_U32 size;
/* Parameter checking */
if (winNum >= MV_USB_MAX_ADDR_DECODE_WIN) {
mvOsPrintf("%s: ERR. Invalid win num %d\n", __func__, winNum);
return MV_BAD_PARAM;
}
/* Check if the requested window overlapps with current windows */
if (MV_TRUE == usbWinOverlapDetect(dev, winNum, &pDecWin->addrWin)) {
mvOsPrintf("%s: ERR. Window %d overlap\n", __func__, winNum);
return MV_ERROR;
}
/* check if address is aligned to the size */
if (MV_IS_NOT_ALIGN(pDecWin->addrWin.baseLow, pDecWin->addrWin.size)) {
mvOsPrintf("mvUsbWinWrite:Error setting USB window %d.\n"
"Address 0x%08x is unaligned to size 0x%x.\n",
winNum, pDecWin->addrWin.baseLow, pDecWin->addrWin.size);
return MV_ERROR;
}
if (!MV_IS_POWER_OF_2(pDecWin->addrWin.size)) {
mvOsPrintf("mvUsbWinWrite: Bad windows size.\n");
return MV_BAD_PARAM;
}
size = pDecWin->addrWin.size / MV_USB_WIN_SIZE_ALIGN - 1;
/* set Size, Attributes and TargetID */
sizeReg = (((pDecWin->targetId << MV_USB_WIN_TARGET_OFFSET) & MV_USB_WIN_TARGET_MASK) |
((pDecWin->attrib << MV_USB_WIN_ATTR_OFFSET) & MV_USB_WIN_ATTR_MASK) |
((size << MV_USB_WIN_SIZE_OFFSET) & MV_USB_WIN_SIZE_MASK));
#if defined(MV645xx) || defined(MV646xx)
/* If window is DRAM with HW cache coherency, make sure bit2 is set */
sizeReg &= ~MV_USB_WIN_BURST_WR_LIMIT_MASK;
if ((MV_TARGET_IS_DRAM(pDecWin->target)) && (pDecWin->addrWinAttr.cachePolicy != NO_COHERENCY))
sizeReg |= MV_USB_WIN_BURST_WR_32BIT_LIMIT;
else
sizeReg |= MV_USB_WIN_BURST_WR_NO_LIMIT;
#endif /* MV645xx || MV646xx */
if (pDecWin->enable == MV_TRUE)
sizeReg |= MV_USB_WIN_ENABLE_MASK;
else
sizeReg &= ~MV_USB_WIN_ENABLE_MASK;
/* Update Base value */
baseReg = (pDecWin->addrWin.baseLow & MV_USB_WIN_BASE_MASK);
MV_REG_WRITE(MV_USB_WIN_CTRL_REG(dev, winNum), sizeReg);
MV_REG_WRITE(MV_USB_WIN_BASE_REG(dev, winNum), baseReg);
return MV_OK;
}
