MV_STATUS mvCtrlAddrWinInfoGet(MV_UNIT_WIN_INFO *pAddrWinInfo, MV_ULONG physAddr)
{
MV_CPU_DEC_WIN cpuAddrDecWin;
MV_U32 i;
MV_TARGET_ATTRIB targetAttrib;
MV_STATUS status;
for (i = 0; i < MAX_TARGETS; i++) {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK)
continue;
if ((physAddr >= cpuAddrDecWin.addrWin.baseLow) &&
(physAddr < cpuAddrDecWin.addrWin.baseLow + cpuAddrDecWin.addrWin.size)) {
/* Found */
pAddrWinInfo->addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow;
pAddrWinInfo->addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
pAddrWinInfo->addrWin.size = cpuAddrDecWin.addrWin.size;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
pAddrWinInfo->attrib = targetAttrib.attrib;
pAddrWinInfo->targetId = targetAttrib.targetId;
return MV_OK;
}
}
/* not found */
return MV_NOT_FOUND;
}
/*******************************************************************************
* mvCtrlAddrDecToParams - Get address decode register format values
*
* DESCRIPTION:
* This function returns the given address window information in the
* format of address decode base and size registers.
*
* INPUT:
* pAddrDecWin - Target window data structure.
*
* OUTPUT:
* pWinParam - Address decode window parameters.
*
* RETURN:
* MV_BAD_PARAM if base address is invalid parameter or target is
* unknown.
*
*******************************************************************************/
MV_STATUS mvCtrlAddrDecToParams(MV_DEC_WIN *pAddrDecWin,
MV_DEC_WIN_PARAMS *pWinParam)
{
MV_TARGET_ATTRIB targetAttrib;
MV_U32 size; /* Holds BAR size */
/* 2) Initialize Size register */
/* 2.1 Get address decode size register value to given size */
size = ctrlSizeToReg(pAddrDecWin->addrWin.size, BAR_SIZE_ALIGNMENT);
/* Size parameter validity check. */
if (-1 == size)
{
DB(mvOsPrintf("mvCtrlAddrDecToParams: ERR. addrDecSizeToReg failed.\n"));
return MV_BAD_PARAM;
}
/* Write the size register value */
pWinParam->size = size;
/* Base address */
pWinParam->baseAddr = pAddrDecWin->addrWin.baseLow;
/* attrib and targetId */
mvCtrlAttribGet(pAddrDecWin->target, &targetAttrib);
pWinParam->attrib = targetAttrib.attrib;
pWinParam->targetId = targetAttrib.targetId;
return MV_OK;
}
/*******************************************************************************
* mvAudioWinSet - Set AUDIO 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 AUDIO will be able to access the
* target within the address window.
*
* INPUT:
* winNum - AUDIO target address decode window number.
* pAddrDecWin - AUDIO 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 mvAudioWinSet(int unit, MV_U32 winNum, MV_AUDIO_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
/* Parameter checking */
if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN)
{
mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum);
return MV_BAD_PARAM;
}
/* check if address is aligned to the size */
if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
{
mvOsPrintf("mvAudioWinSet:Error setting AUDIO 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_AUDIO_WIN_ATTR_MASK;
decRegs.sizeReg |= (targetAttribs.attrib << MV_AUDIO_WIN_ATTR_OFFSET);
/* set target ID */
decRegs.sizeReg &= ~MV_AUDIO_WIN_TARGET_MASK;
decRegs.sizeReg |= (targetAttribs.targetId << MV_AUDIO_WIN_TARGET_OFFSET);
if (pAddrDecWin->enable == MV_TRUE)
{
decRegs.sizeReg |= MV_AUDIO_WIN_ENABLE_MASK;
}
else
{
decRegs.sizeReg &= ~MV_AUDIO_WIN_ENABLE_MASK;
}
MV_REG_WRITE( MV_AUDIO_WIN_CTRL_REG(unit, winNum), decRegs.sizeReg);
MV_REG_WRITE( MV_AUDIO_WIN_BASE_REG(unit, winNum), decRegs.baseReg);
return MV_OK;
}
/*******************************************************************************
* mvCtrlAddrWinMapBuild
*
* DESCRIPTION:
* Build the windows address decoding table, to be used for initializing
* the unit's address decoding windows.
*
* INPUT:
* pAddrWinMap: An array to hold the address decoding windows parameters.
* len: Number of entries in pAddrWinMap.
*
* OUTPUT:
* pAddrWinMap: Address window information.
*
* RETURN:
* MV_BAD_PARAM: input array is smaller than needed to store all window
* addresses.
* MV_ERROR: Otherwise.
*
*******************************************************************************/
MV_STATUS mvCtrlAddrWinMapBuild(MV_UNIT_WIN_INFO *pAddrWinMap, MV_U32 len)
{
MV_CPU_DEC_WIN cpuAddrDecWin;
MV_U32 i;
MV_TARGET_ATTRIB targetAttrib;
MV_STATUS status;
/* Check size of CPU address win table */
if (len <= MAX_TARGETS) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - Table size too small.\n");
return MV_BAD_PARAM;
}
/* Fill in the pAddrWinMap fields */
for (i = 0; i < MAX_TARGETS; i++) {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK) {
if (status == MV_NO_SUCH) {
pAddrWinMap[i].enable = MV_FALSE;
continue;
} else {
mvOsPrintf("mvCtrlAddrWinMapBuild() - mvCpuIfTargetWinGet() failed.\n");
return MV_ERROR;
}
}
pAddrWinMap[i].addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow;
pAddrWinMap[i].addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
pAddrWinMap[i].addrWin.size = cpuAddrDecWin.addrWin.size;
pAddrWinMap[i].enable = cpuAddrDecWin.enable;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
pAddrWinMap[i].attrib = targetAttrib.attrib;
pAddrWinMap[i].targetId = targetAttrib.targetId;
}
pAddrWinMap[i].addrWin.baseLow = TBL_TERM;
pAddrWinMap[i].addrWin.baseHigh = TBL_TERM;
pAddrWinMap[i].addrWin.size = TBL_TERM;
pAddrWinMap[i].enable = TBL_TERM;
pAddrWinMap[i].attrib = TBL_TERM;
pAddrWinMap[i].targetId = TBL_TERM;
return MV_OK;
}
/*
* Straight forward function what returns _only_ the index of the
* memory window according to provided SoC target.
*/
MV_STATUS mvAhbToMbusWinNumByTargetGet(MV_TARGET target, MV_U32 *pWinNum)
{
MV_TARGET_ATTRIB targetAttribs;
MV_U32 winNum, ctrlReg, targetId;
if (pWinNum == NULL) {
mvOsPrintf("%s: Error: pWinNum is NULL\n", __func__);
return MV_FAIL;
}
if (target >= MAX_TARGETS) {
mvOsPrintf("%s: Error: target %d is illegal\n", __func__, target);
return MV_FAIL;
}
if (target == INTER_REGS) {
*pWinNum = MV_AHB_TO_MBUS_INTREG_WIN;
return MV_OK;
}
if (mvCtrlAttribGet(target, &targetAttribs) != MV_OK) {
mvOsPrintf("%s: Error: mvCtrlAttribGet(target = %d) failed\n",
__func__, target);
return MV_FAIL;
}
for (winNum = 0; winNum < MAX_AHB_TO_MBUS_WINS; winNum++) {
if (winNum == MV_AHB_TO_MBUS_INTREG_WIN)
continue;
ctrlReg = MV_REG_READ(AHB_TO_MBUS_WIN_CTRL_REG(winNum));
targetId = (ctrlReg & ATMWCR_WIN_TARGET_MASK) >> ATMWCR_WIN_TARGET_OFFS;
if (targetId == targetAttribs.targetId) {
*pWinNum = winNum;
return MV_OK;
}
}
return MV_FAIL;
}
/*******************************************************************************
* mvDmaWinSet - Set DMA 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 DMA will be able to access the
* target within the address window.
*
* INPUT:
* winNum - IDMA to target address decode window number.
* pAddrDecWin - IDMA 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 mvDmaWinSet(MV_U32 winNum, MV_DMA_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
/* Parameter checking */
if (winNum >= IDMA_MAX_ADDR_DEC_WIN)
{
mvOsPrintf("mvDmaWinSet: ERR. Invalid win num %d\n",winNum);
return MV_BAD_PARAM;
}
/* Check if the requested window overlapps with current windows */
if (MV_TRUE == dmaWinOverlapDetect(winNum, &pAddrDecWin->addrWin))
{
mvOsPrintf("mvDmaWinSet: ERR. Window %d overlap\n", winNum);
return MV_ERROR;
}
/* check if address is aligned to the size */
if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
{
mvOsPrintf("mvDmaWinSet: Error setting IDMA 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 = MV_REG_READ(IDMA_BASE_ADDR_REG(winNum));
decRegs.sizeReg = MV_REG_READ(IDMA_SIZE_REG(winNum));
if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
{
mvOsPrintf("mvDmaWinSet: mvCtrlAddrDecToReg Failed\n");
return MV_ERROR;
}
mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);
#if defined(MV_88F5182) || defined(MV_88F5181L)
/* See BTS Nastore #19.*/
/* To access Tunit SRAM from IDMA use targetId = 0x5 */
/* To access Tunit SRAM from the CPU use targetId = 0x9 */
if(pAddrDecWin->target == CRYPT_ENG)
targetAttribs.targetId = 5;
#endif /* defined(MV_88F5182) || defined(MV_88F5181L) */
/* set attributes */
decRegs.baseReg &= ~IDMA_WIN_ATTR_MASK;
decRegs.baseReg |= targetAttribs.attrib << IDMA_WIN_ATTR_OFFS;
/* set target ID */
decRegs.baseReg &= ~IDMA_WIN_TARGET_MASK;
decRegs.baseReg |= targetAttribs.targetId << IDMA_WIN_TARGET_OFFS;
/* for the safe side we disable the window before writing the new
values */
mvDmaWinEnable(winNum,MV_FALSE);
MV_REG_WRITE(IDMA_BASE_ADDR_REG(winNum), decRegs.baseReg);
/* Write to address decode Size Register */
MV_REG_WRITE(IDMA_SIZE_REG(winNum), decRegs.sizeReg);
/* Enable address decode target window */
if (pAddrDecWin->enable == MV_TRUE)
{
mvDmaWinEnable(winNum, MV_TRUE);
}
return MV_OK;
}
/*******************************************************************************
* mvTsuWinSet
*
* 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 TSU will be able to access the
* target within the address window.
*
* INPUT:
* winNum - TSU to target address decode window number.
* pAddrDecWin - TSU 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 mvTsuWinSet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
/* Parameter checking */
if(winNum >= TSU_MAX_DECODE_WIN)
{
mvOsPrintf("mvTsuWinSet: ERR. Invalid win num %d\n",winNum);
return MV_BAD_PARAM;
}
/* Check if the requested window overlapps with current windows */
if(MV_TRUE == tsuWinOverlapDetect(winNum, &pAddrDecWin->addrWin))
{
mvOsPrintf("mvTsuWinSet: ERR. Window %d overlap\n", winNum);
return MV_ERROR;
}
/* check if address is aligned to the size */
if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow,pAddrDecWin->addrWin.size))
{
mvOsPrintf("mvTsuWinSet: Error setting TSU 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 = MV_REG_READ(MV_TSU_WIN_BASE_REG(winNum));
decRegs.sizeReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum));
if(MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
{
mvOsPrintf("mvTsuWinSet: mvCtrlAddrDecToReg Failed\n");
return MV_ERROR;
}
mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs);
/* set attributes */
decRegs.sizeReg &= ~TSU_WIN_CTRL_ATTR_MASK;
decRegs.sizeReg |= targetAttribs.attrib << TSU_WIN_CTRL_ATTR_OFFS;
/* set target ID */
decRegs.sizeReg &= ~TSU_WIN_CTRL_TARGET_MASK;
decRegs.sizeReg |= targetAttribs.targetId << TSU_WIN_CTRL_TARGET_OFFS;
/* for the safe side we disable the window before writing the new */
/* values */
mvTsuWinEnable(winNum, MV_FALSE);
MV_REG_WRITE(MV_TSU_WIN_CTRL_REG(winNum),decRegs.sizeReg);
/* Write to address decode Size Register */
MV_REG_WRITE(MV_TSU_WIN_BASE_REG(winNum), decRegs.baseReg);
/* Enable address decode target window */
if(pAddrDecWin->enable == MV_TRUE)
{
mvTsuWinEnable(winNum,MV_TRUE);
}
return MV_OK;
}
/*******************************************************************************
* mvXorTargetWinSet - Set XOR target address window
*
* DESCRIPTION:
* This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0)
* address window. After setting this target window, the XOR will be
* able to access the target within the address window.
*
* INPUT:
* winNum - One of the possible XOR memory decode windows.
* target - Peripheral target enumerator.
* base - Window base address.
* size - Window size.
* enable - Window enable/disable.
*
* OUTPUT:
* None.
*
* RETURN:
* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise.
*
*******************************************************************************/
MV_STATUS mvXorTargetWinSet(MV_U32 unit, MV_U32 winNum, MV_XOR_DEC_WIN *pAddrDecWin)
{
MV_DEC_REGS xorDecRegs;
MV_TARGET_ATTRIB targetAttribs;
MV_U32 chan;
/* Parameter checking */
if (winNum >= XOR_MAX_ADDR_DEC_WIN)
{
DB(mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum));
return MV_BAD_PARAM;
}
if (pAddrDecWin == NULL)
{
DB(mvOsPrintf("%s: ERR. pAddrDecWin is NULL pointer\n", __FUNCTION__ ));
return MV_BAD_PTR;
}
/* Check if the requested window overlaps with current windows */
if (MV_TRUE == xorWinOverlapDetect(unit, winNum, &pAddrDecWin->addrWin))
{
DB(mvOsPrintf("%s: ERR. Window %d overlap\n",__FUNCTION__,winNum));
return MV_ERROR;
}
xorDecRegs.baseReg = MV_REG_READ(XOR_BASE_ADDR_REG(unit,winNum));
xorDecRegs.sizeReg = MV_REG_READ(XOR_SIZE_MASK_REG(unit,winNum));
/* Get Base Address and size registers values */
if(MV_OK != mvCtrlAddrDecToReg(&pAddrDecWin->addrWin, &xorDecRegs))
{
DB(mvOsPrintf("%s: ERR. Invalid addr dec window\n",__FUNCTION__));
return MV_BAD_PARAM;
}
mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs);
/* set attributes */
xorDecRegs.baseReg &= ~XEBARX_ATTR_MASK;
xorDecRegs.baseReg |= targetAttribs.attrib << XEBARX_ATTR_OFFS;
/* set target ID */
xorDecRegs.baseReg &= ~XEBARX_TARGET_MASK;
xorDecRegs.baseReg |= targetAttribs.targetId << XEBARX_TARGET_OFFS;
/* Write to address decode Base Address Register */
MV_REG_WRITE(XOR_BASE_ADDR_REG(unit,winNum), xorDecRegs.baseReg);
/* Write to Size Register */
MV_REG_WRITE(XOR_SIZE_MASK_REG(unit,winNum), xorDecRegs.sizeReg);
for (chan = 0; chan < MV_XOR_MAX_CHAN; chan++)
{
if (pAddrDecWin->enable)
{
MV_REG_BIT_SET(XOR_WINDOW_CTRL_REG(unit,chan),
XEXWCR_WIN_EN_MASK(winNum));
}
else
{
MV_REG_BIT_RESET(XOR_WINDOW_CTRL_REG(unit,chan),
XEXWCR_WIN_EN_MASK(winNum));
}
}
return MV_OK;
}
/*******************************************************************************
* mvAhbToMbusWinSet - Set CPU-to-peripheral winNum address window
*
* DESCRIPTION:
* This function sets
* address window, also known as address decode window.
* A new address decode window is set for specified winNum address window.
* If address decode window parameter structure enables the window,
* the routine will also enable the winNum window, allowing CPU to access
* the winNum window.
*
* INPUT:
* winNum - Windows number.
* pAddrDecWin - CPU winNum window data structure.
*
* OUTPUT:
* N/A
*
* RETURN:
* MV_OK if CPU winNum window was set correctly, MV_ERROR in case of
* address window overlapps with other active CPU winNum window or
* trying to assign 36bit base address while CPU does not support that.
* The function returns MV_NOT_SUPPORTED, if the winNum is unsupported.
*
*******************************************************************************/
MV_STATUS mvAhbToMbusWinSet(MV_U32 winNum, MV_AHB_TO_MBUS_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
/* Parameter checking */
if (winNum >= MAX_AHB_TO_MBUS_WINS)
{
mvOsPrintf("mvAhbToMbusWinSet: ERR. Invalid winNum %d\n", winNum);
return MV_NOT_SUPPORTED;
}
/* read base register*/
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
{
decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_BASE_REG(winNum));
}
else
{
decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_INTEREG_REG);
}
/* check if address is aligned to the size */
if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
{
mvOsPrintf("mvAhbToMbusWinSet:Error setting AHB to MBUS 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;
}
/* read control register*/
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
{
decRegs.sizeReg = MV_REG_READ(AHB_TO_MBUS_WIN_CTRL_REG(winNum));
}
if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
{
mvOsPrintf("mvAhbToMbusWinSet:mvCtrlAddrDecToReg Failed\n");
return MV_ERROR;
}
/* enable\Disable */
if (MV_TRUE == pAddrDecWin->enable)
{
decRegs.sizeReg |= ATMWCR_WIN_ENABLE;
}
else
{
decRegs.sizeReg &= ~ATMWCR_WIN_ENABLE;
}
mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs);
/* set attributes */
decRegs.sizeReg &= ~ATMWCR_WIN_ATTR_MASK;
decRegs.sizeReg |= targetAttribs.attrib << ATMWCR_WIN_ATTR_OFFS;
/* set target ID */
decRegs.sizeReg &= ~ATMWCR_WIN_TARGET_MASK;
decRegs.sizeReg |= targetAttribs.targetId << ATMWCR_WIN_TARGET_OFFS;
#if !defined(MV_RUN_FROM_FLASH)
/* To be on the safe side we disable the window before writing the */
/* new values. */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
{
mvAhbToMbusWinEnable(winNum,MV_FALSE);
}
#endif
/* 3) Write to address decode Base Address Register */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
{
MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum), decRegs.baseReg);
}
else
{
MV_REG_WRITE(AHB_TO_MBUS_WIN_INTEREG_REG, decRegs.baseReg);
}
/* Internal register space have no size */
/* register. Do not perform size register assigment for those targets */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
{
/* Write to address decode Size Register */
MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), decRegs.sizeReg);
}
return MV_OK;
}
/*******************************************************************************
* mvAhbToMbusWinSet - Set CPU-to-peripheral winNum address window
*
* DESCRIPTION:
* This function sets
* address window, also known as address decode window.
* A new address decode window is set for specified winNum address window.
* If address decode window parameter structure enables the window,
* the routine will also enable the winNum window, allowing CPU to access
* the winNum window.
*
* INPUT:
* winNum - Windows number.
* pAddrDecWin - CPU winNum window data structure.
*
* OUTPUT:
* N/A
*
* RETURN:
* MV_OK if CPU winNum window was set correctly, MV_ERROR in case of
* address window overlapps with other active CPU winNum window or
* trying to assign 36bit base address while CPU does not support that.
* The function returns MV_NOT_SUPPORTED, if the winNum is unsupported.
*
*******************************************************************************/
MV_STATUS mvAhbToMbusWinSet(MV_U32 winNum, MV_AHB_TO_MBUS_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
MV_U32 sizeToReg;
/* Parameter checking */
if (winNum >= MAX_AHB_TO_MBUS_WINS) {
mvOsPrintf("mvAhbToMbusWinSet: ERR. Invalid winNum %d\n", winNum);
return MV_NOT_SUPPORTED;
}
/* check if address is aligned to the size */
if (MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size)) {
mvOsPrintf("mvAhbToMbusWinSet:Error setting AHB to MBUS window %d to "
"target %s.\nAddress 0x%08x is unaligned to size 0x%llx.\n",
winNum,
mvCtrlTargetNameGet(pAddrDecWin->target),
pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size);
return MV_ERROR;
}
/* Size parameter validity check. */
if (MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.size, ATMWCR_WIN_SIZE_ALIGNMENT)) {
mvOsPrintf("mvAhbToMbusWinSet: Failed, size not aligned to 0x%x.\n", ATMWCR_WIN_SIZE_ALIGNMENT);
return MV_BAD_PARAM;
}
/* Write to address decode Base Address Register */
decRegs.baseReg = (pAddrDecWin->addrWin.baseLow & ATMWBR_BASE_MASK);
/* Get size register value according to window size */
sizeToReg = (pAddrDecWin->addrWin.size / ATMWCR_WIN_SIZE_ALIGNMENT) - 1;
/* set size */
decRegs.ctrlReg = (sizeToReg << ATMWCR_WIN_SIZE_OFFS);
/* enable\Disable */
if (MV_TRUE == pAddrDecWin->enable)
decRegs.ctrlReg |= ATMWCR_WIN_ENABLE;
else
decRegs.ctrlReg &= ~ATMWCR_WIN_ENABLE;
mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);
/* set attributes */
decRegs.ctrlReg &= ~ATMWCR_WIN_ATTR_MASK;
decRegs.ctrlReg |= targetAttribs.attrib << ATMWCR_WIN_ATTR_OFFS;
/* set target ID */
decRegs.ctrlReg &= ~ATMWCR_WIN_TARGET_MASK;
decRegs.ctrlReg |= targetAttribs.targetId << ATMWCR_WIN_TARGET_OFFS;
#if !defined(MV_RUN_FROM_FLASH)
/* To be on the safe side we disable the window before writing the */
/* new values. */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
mvAhbToMbusWinEnable(winNum, MV_FALSE);
#endif
/* 3) Write to address decode Base Address Register */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN)
MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum), decRegs.baseReg);
else
MV_REG_WRITE(AHB_TO_MBUS_WIN_INTEREG_REG, decRegs.baseReg);
/* Internal register space have no size */
/* register. Do not perform size register assigment for those targets */
if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) {
/* Write to address decode Size Register */
MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), decRegs.ctrlReg);
}
return MV_OK;
}
/*******************************************************************************
* mvPexTargetWinSet - Set PEX to peripheral target address window BAR
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
* N/A
*
* RETURN:
* MV_OK if PEX BAR target window was set correctly,
* MV_BAD_PARAM on bad params
* MV_ERROR otherwise
* (e.g. address window overlapps with other active PEX target window).
*
*******************************************************************************/
MV_STATUS mvPexTargetWinSet(MV_U32 pexIf, MV_U32 winNum,
MV_PEX_DEC_WIN *pAddrDecWin)
{
MV_DEC_REGS decRegs;
PEX_WIN_REG_INFO winRegInfo;
MV_TARGET_ATTRIB targetAttribs;
/* Parameter checking */
if(pexIf >= mvCtrlPexMaxIfGet())
{
mvOsPrintf("mvPexTargetWinSet: ERR. Invalid PEX interface %d\n", pexIf);
return MV_BAD_PARAM;
}
if (winNum >= PEX_MAX_TARGET_WIN)
{
mvOsPrintf("mvPexTargetWinSet: ERR. Invalid PEX winNum %d\n", winNum);
return MV_BAD_PARAM;
}
/* get the pex Window registers offsets */
pexWinRegInfoGet(pexIf,winNum,&winRegInfo);
if (MV_TRUE == pAddrDecWin->enable)
{
/* 2) Check if the requested window overlaps with current windows */
if (MV_TRUE == pexWinOverlapDetect(pexIf,winNum, &pAddrDecWin->addrWin))
{
mvOsPrintf("mvPexTargetWinSet: ERR. Target %d overlap\n", winNum);
return MV_BAD_PARAM;
}
/* 2) Check if the requested window overlaps with current windows */
if (MV_FALSE == pexIsWinWithinBar(pexIf,&pAddrDecWin->addrWin))
{
mvOsPrintf("mvPexTargetWinSet: Win %d should be in bar boundries\n",
winNum);
return MV_BAD_PARAM;
}
}
/* read base register*/
if (winRegInfo.baseLowRegOffs)
{
decRegs.baseReg = MV_REG_READ(winRegInfo.baseLowRegOffs);
}
else
{
decRegs.baseReg = 0;
}
if (winRegInfo.sizeRegOffs)
{
decRegs.sizeReg = MV_REG_READ(winRegInfo.sizeRegOffs);
}
else
{
decRegs.sizeReg =0;
}
if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
{
mvOsPrintf("mvPexTargetWinSet:mvCtrlAddrDecToReg Failed\n");
return MV_ERROR;
}
/* enable\Disable */
if (MV_TRUE == pAddrDecWin->enable)
{
decRegs.sizeReg |= PXWCR_WIN_EN;
}
else
{
decRegs.sizeReg &= ~PXWCR_WIN_EN;
}
/* clear bit location */
decRegs.sizeReg &= ~PXWCR_WIN_BAR_MAP_MASK;
/* set bar Mapping */
if (pAddrDecWin->targetBar == 1)
{
decRegs.sizeReg |= PXWCR_WIN_BAR_MAP_BAR1;
}
else if (pAddrDecWin->targetBar == 2)
{
decRegs.sizeReg |= PXWCR_WIN_BAR_MAP_BAR2;
}
mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs);
/* set attributes */
decRegs.sizeReg &= ~PXWCR_ATTRIB_MASK;
decRegs.sizeReg |= targetAttribs.attrib << PXWCR_ATTRIB_OFFS;
/* set target ID */
decRegs.sizeReg &= ~PXWCR_TARGET_MASK;
decRegs.sizeReg |= targetAttribs.targetId << PXWCR_TARGET_OFFS;
/* 3) Write to address decode Base Address Register */
if (winRegInfo.baseLowRegOffs)
{
MV_REG_WRITE(winRegInfo.baseLowRegOffs, decRegs.baseReg);
}
/* write size reg */
if (winRegInfo.sizeRegOffs)
{
if ((MV_PEX_WIN_DEFAULT == winNum)||
(MV_PEX_WIN_EXP_ROM == winNum))
{
/* clear size because there is no size field*/
decRegs.sizeReg &= ~PXWCR_SIZE_MASK;
/* clear enable because there is no enable field*/
decRegs.sizeReg &= ~PXWCR_WIN_EN;
}
MV_REG_WRITE(winRegInfo.sizeRegOffs, decRegs.sizeReg);
}
return MV_OK;
}
/*******************************************************************************
* mvCtrlAddrWinMapBuild
*
* DESCRIPTION:
* Build the windows address decoding table, to be used for initializing
* the unit's address decoding windows.
*
* INPUT:
* pAddrWinMap: An array to hold the address decoding windows parameters.
* len: Number of entries in pAddrWinMap.
*
* OUTPUT:
* pAddrWinMap: Address window information.
*
* RETURN:
* MV_BAD_PARAM: input array is smaller than needed to store all window
* addresses.
* MV_ERROR: Otherwise.
*
*******************************************************************************/
MV_STATUS mvCtrlAddrWinMapBuild(MV_UNIT_WIN_INFO *pAddrWinMap, MV_U32 len)
{
MV_CPU_DEC_WIN cpuAddrDecWin;
MV_U32 i, j;
MV_TARGET_ATTRIB targetAttrib;
MV_STATUS status;
MV_U64 startAddr, endAddr;
MV_UNIT_WIN_INFO ioDdrWin[MV_DRAM_MAX_CS];
MV_U32 base;
MV_U64 size;
/* Check size of CPU address win table */
if (len <= MAX_TARGETS) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - Table size too small.\n");
return MV_BAD_PARAM;
}
/* Prepare an array of DRAM info */
base = 0x0;
j = 0;
for (i = SDRAM_CS0; i <= SDRAM_CS3; i++) {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK) {
if (status == MV_NO_SUCH) {
ioDdrWin[i].enable = MV_FALSE;
continue;
} else {
mvOsPrintf("mvCtrlAddrWinMapBuild() - mvCpuIfTargetWinGet() failed.\n");
return MV_ERROR;
}
}
/* As all IO address decode windows support only 32-bit
** addresses, limit the DRAM base / size to 4GB max.
*/
startAddr = (MV_U64)((((MV_U64)cpuAddrDecWin.addrWin.baseHigh << 32ll)) +
(MV_U64)cpuAddrDecWin.addrWin.baseLow);
endAddr = (MV_U64)(startAddr + (MV_U64)cpuAddrDecWin.addrWin.size) - 1;
if (endAddr > 0xFFFFFFFFll) {
if (startAddr <= 0xFFFFFFFFll)
cpuAddrDecWin.addrWin.size = (0x100000000ll -
cpuAddrDecWin.addrWin.baseLow);
else
cpuAddrDecWin.enable = MV_FALSE;
}
if (cpuAddrDecWin.enable == MV_FALSE)
continue;
/* If the endAddr passes minBase, then we need to split
** this window to several windows up to minBase.
** For example: minBase=0xE0000000, and CS0=2, CS1=2G,
** Then we need to split the windwos as follows:
** Win0: CS-0, 2GB (Base 0x0)
** win1: CS-1, 1GB (Base 0x80000000)
** Win2: CS-1, 0.5GB (Base 0xC0000000)
*/
if (endAddr > MV_DRAM_IO_RESERVE_BASE)
/* Need to cut down this CS to IO reserve base
** address.
*/
size = MV_DRAM_IO_RESERVE_BASE -
cpuAddrDecWin.addrWin.baseLow;
else
size = cpuAddrDecWin.addrWin.size;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - "
"mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
/* Now, spread the last CS into several windows, and make sure
** that each of has a power-of-2 size.
*/
while (size != 0) {
ioDdrWin[j].enable = MV_TRUE;
ioDdrWin[j].attrib = targetAttrib.attrib;
ioDdrWin[j].targetId = targetAttrib.targetId;
ioDdrWin[j].addrWin.baseHigh = 0;
if (MV_IS_POWER_OF_2(size))
ioDdrWin[j].addrWin.size = size;
else
ioDdrWin[j].addrWin.size = (MV_U64)(1ll << (MV_U64)mvLog2(size));
size -= ioDdrWin[j].addrWin.size;
ioDdrWin[j].addrWin.baseLow = base;
base += ioDdrWin[j].addrWin.size;
j++;
}
/* Support only up to 4 DRAM address decode windows in the
** units. */
if (j == MV_DRAM_MAX_CS)
break;
}
for (; j < MV_DRAM_MAX_CS; j++)
ioDdrWin[j].enable = MV_FALSE;
/* Fill in the pAddrWinMap fields */
for (i = 0; i < MAX_TARGETS; i++) {
if (MV_TARGET_IS_DRAM(i)) {
pAddrWinMap[i].addrWin.baseLow = ioDdrWin[i].addrWin.baseLow;
pAddrWinMap[i].addrWin.baseHigh = ioDdrWin[i].addrWin.baseHigh;
pAddrWinMap[i].addrWin.size = ioDdrWin[i].addrWin.size;
pAddrWinMap[i].enable = ioDdrWin[i].enable;
pAddrWinMap[i].attrib = ioDdrWin[i].attrib;
pAddrWinMap[i].targetId = ioDdrWin[i].targetId;
} else {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK) {
if (status == MV_NO_SUCH) {
pAddrWinMap[i].enable = MV_FALSE;
continue;
} else {
mvOsPrintf("mvCtrlAddrWinMapBuild()"
" - mvCpuIfTargetWinGet() failed.\n");
return MV_ERROR;
}
}
pAddrWinMap[i].addrWin.baseLow =
cpuAddrDecWin.addrWin.baseLow;
pAddrWinMap[i].addrWin.baseHigh =
cpuAddrDecWin.addrWin.baseHigh;
pAddrWinMap[i].addrWin.size =
cpuAddrDecWin.addrWin.size;
pAddrWinMap[i].enable = cpuAddrDecWin.enable;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - "
"mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
pAddrWinMap[i].attrib = targetAttrib.attrib;
pAddrWinMap[i].targetId = targetAttrib.targetId;
}
}
pAddrWinMap[i].addrWin.baseLow = TBL_TERM;
pAddrWinMap[i].addrWin.baseHigh = TBL_TERM;
pAddrWinMap[i].addrWin.size = TBL_TERM;
pAddrWinMap[i].enable = TBL_TERM;
pAddrWinMap[i].attrib = TBL_TERM;
pAddrWinMap[i].targetId = TBL_TERM;
return MV_OK;
}
* mvTdmWinSet - Set TDM 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 TDM will be able to access the
* target within the address window.
*
* INPUT:
* winNum - TDM to target address decode window number.
* pAddrDecWin - TDM 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 mvTdmWinSet(MV_U32 winNum, MV_TDM_DEC_WIN *pAddrDecWin)
{
MV_TARGET_ATTRIB targetAttribs;
MV_DEC_REGS decRegs;
MV_U32 ctrlReg = 0;
/* Parameter checking */
if (winNum >= TDM_MBUS_MAX_WIN)
{
mvOsPrintf("mvTdmWinSet: ERR. Invalid win num %d\n",winNum);
return MV_BAD_PARAM;
}
/* Check if the requested window overlapps with current windows */
if (MV_TRUE == tdmWinOverlapDetect(winNum, &pAddrDecWin->addrWin))
{
mvOsPrintf("mvTdmWinSet: ERR. Window %d overlap\n", winNum);
return MV_ERROR;
}
/* check if address is aligned to the size */
if (MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
{
mvOsPrintf("mvTdmWinSet: Error setting TDM 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 = MV_REG_READ(TDM_WIN_BASE_REG(winNum));
decRegs.sizeReg = (MV_REG_READ(TDM_WIN_CTRL_REG(winNum)) & TDM_WIN_SIZE_MASK) >> TDM_WIN_SIZE_OFFS;
if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
{
mvOsPrintf("mvTdmWinSet: mvCtrlAddrDecToReg Failed\n");
return MV_ERROR;
}
mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);
/* for the safe side we disable the window before writing the new
values */
mvTdmWinEnable(winNum, MV_FALSE);
ctrlReg |= (targetAttribs.attrib << TDM_WIN_ATTRIB_OFFS);
ctrlReg |= (targetAttribs.targetId << TDM_WIN_TARGET_OFFS);
ctrlReg |= (decRegs.sizeReg & TDM_WIN_SIZE_MASK);
/* Write to address base and control registers */
MV_REG_WRITE(TDM_WIN_BASE_REG(winNum), decRegs.baseReg);
MV_REG_WRITE(TDM_WIN_CTRL_REG(winNum), ctrlReg);
/* Enable address decode target window */
if (pAddrDecWin->enable == MV_TRUE)
{
mvTdmWinEnable(winNum, MV_TRUE);
}
return MV_OK;
}
