ctrlEnv/sys/mvCpuIf.c

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*******************************************************************************/


/* includes */
#include "ctrlEnv/sys/mvCpuIf.h"
#include "ctrlEnv/sys/mvAhbToMbusRegs.h"
#include "cpu/mvCpu.h"
#include "ctrlEnv/mvCtrlEnvLib.h"
#include "mvSysHwConfig.h"
#include "mvSysDram.h"

/*#define MV_DEBUG*/
/* defines  */

#ifdef MV_DEBUG
	#define DB(x)	x
#else
	#define DB(x)
#endif

/* locals   */
/* static functions */
static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin);

MV_TARGET * sampleAtResetTargetArray;
MV_TARGET sampleAtResetTargetArrayP[] = BOOT_TARGETS_NAME_ARRAY;
MV_TARGET sampleAtResetTargetArray6180P[] = BOOT_TARGETS_NAME_ARRAY_6180;
/*******************************************************************************
* mvCpuIfInit - Initialize Controller CPU interface
*
* DESCRIPTION:
*       This function initialize Controller CPU interface:
*       1. Set CPU interface configuration registers.
*       2. Set CPU master Pizza arbiter control according to static
*          configuration described in configuration file.
*       3. Opens CPU address decode windows. DRAM windows are assumed to be
*		   already set (auto detection).
*
* INPUT:
*       None.
*
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_STATUS mvCpuIfInit(MV_CPU_DEC_WIN *cpuAddrWinMap)
{
	MV_U32 regVal;
	MV_TARGET target;
	MV_ADDR_WIN addrWin;

	if (cpuAddrWinMap == NULL)
	{
		DB(mvOsPrintf("mvCpuIfInit:ERR. cpuAddrWinMap == NULL\n"));
		return MV_ERROR;
	}

    /*Initialize the boot target array according to device type*/
    if(mvCtrlModelGet() == MV_6180_DEV_ID)
        sampleAtResetTargetArray = sampleAtResetTargetArray6180P;
    else
        sampleAtResetTargetArray = sampleAtResetTargetArrayP;

	/* Set ARM Configuration register */
	regVal  = MV_REG_READ(CPU_CONFIG_REG);
	regVal &= ~CPU_CONFIG_DEFAULT_MASK;
	regVal |= CPU_CONFIG_DEFAULT;
	MV_REG_WRITE(CPU_CONFIG_REG,regVal);

	/* First disable all CPU target windows  */
	for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++)
    	{
		if ((MV_TARGET_IS_DRAM(target))||(target == INTER_REGS))
		{
			continue;
		}

#if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA)
		/* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
		if (MV_TARGET_IS_PCI(target))
		{
			continue;
		}
#endif

#if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA)
		/* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
		if (MV_TARGET_IS_PEX(target))
		{
			continue;
		}
#endif
#if defined(MV_RUN_FROM_FLASH)
        	/* Don't disable the boot device.                               */
		if (target == DEV_BOOCS)
		{
			continue;
		}
#endif /* MV_RUN_FROM_FLASH */
		mvCpuIfTargetWinEnable(MV_CHANGE_BOOT_CS(target),MV_FALSE);
	}

#if defined(MV_RUN_FROM_FLASH)
    	/* Resize the bootcs windows before other windows, because this     */
    	/* window is enabled and will cause an overlap if not resized.      */
	target = DEV_BOOCS;

	if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target]))
	{
		DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n"));
		return MV_ERROR;
	}

	addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow;
	addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh;
	if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin))
	{
		DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n",
					  cpuAddrWinMap[target].winNum));
	}

#endif /* MV_RUN_FROM_FLASH */

	/* Go through all targets in user table until table terminator			*/
	for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++)
    	{

#if defined(MV_RUN_FROM_FLASH)
	if (target == DEV_BOOCS)
	{
		continue;
	}
#endif /* MV_RUN_FROM_FLASH */

	/* if DRAM auto sizing is used do not initialized DRAM target windows, 	*/
	/* assuming this already has been done earlier.							*/
#ifdef	MV_DRAM_AUTO_SIZE
		if (MV_TARGET_IS_DRAM(target))
		{
			continue;
		}
#endif

#if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA)
		/* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
		if (MV_TARGET_IS_PCI(target))
		{
			continue;
		}
#endif

#if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA)
		/* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */
		if (MV_TARGET_IS_PEX(target))
		{
			continue;
		}
#endif
	/* If the target attribute is the same as the boot device attribute */
	/* then it's stays disable */
		if (MV_TARGET_IS_AS_BOOT(target))
		{
			continue;
		}

		if((0 == cpuAddrWinMap[target].addrWin.size) ||
		   (DIS == cpuAddrWinMap[target].enable))

		{
			if (MV_OK != mvCpuIfTargetWinEnable(target, MV_FALSE))
			{
				DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinEnable fail\n"));
				return MV_ERROR;
			}

		}
		else
		{
			if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target]))
			{
				DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n"));
				return MV_ERROR;
			}

			addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow;
			addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh;
			if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin))
			{
				DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n",
							  cpuAddrWinMap[target].winNum));
			}


		}
    }

	return MV_OK;


}


/*******************************************************************************
* mvCpuIfTargetWinSet - Set CPU-to-peripheral target address window
*
* DESCRIPTION:
*       This function sets a peripheral target (e.g. SDRAM bank0, PCI0_MEM0)
*       address window, also known as address decode window.
*       A new address decode window is set for specified target address window.
*       If address decode window parameter structure enables the window,
*       the routine will also enable the target window, allowing CPU to access
*       the target window.
*
* INPUT:
*       target      - Peripheral target enumerator.
*       pAddrDecWin - CPU target window data structure.
*
* OUTPUT:
*       N/A
*
* RETURN:
*       MV_OK if CPU target window was set correctly, MV_ERROR in case of
*       address window overlapps with other active CPU target window or
*		trying to assign 36bit base address while CPU does not support that.
*       The function returns MV_NOT_SUPPORTED, if the target is unsupported.
*
*******************************************************************************/
MV_STATUS mvCpuIfTargetWinSet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin)
{
	MV_AHB_TO_MBUS_DEC_WIN decWin;
	MV_U32 existingWinNum;
	MV_DRAM_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinSet: target %d is Illigal\n", target);
		return MV_ERROR;
	}

    	/* 2) Check if the requested window overlaps with current windows		*/
    	if (MV_TRUE == cpuTargetWinOverlap(target, &pAddrDecWin->addrWin))
	{
        	mvOsPrintf("mvCpuIfTargetWinSet: ERR. Target %d overlap\n", target);
		return MV_BAD_PARAM;
	}

	if (MV_TARGET_IS_DRAM(target))
	{
		/* copy relevant data to MV_DRAM_DEC_WIN structure */
		addrDecWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh;
		addrDecWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow;
		addrDecWin.addrWin.size = pAddrDecWin->addrWin.size;
		addrDecWin.enable = pAddrDecWin->enable;


		if (mvDramIfWinSet(target,&addrDecWin) != MV_OK);
		{
			mvOsPrintf("mvCpuIfTargetWinSet: mvDramIfWinSet Failed\n");
			return MV_ERROR;
		}

	}
	else
	{
		/* copy relevant data to MV_AHB_TO_MBUS_DEC_WIN structure */
		decWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow;
		decWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh;
		decWin.addrWin.size = pAddrDecWin->addrWin.size;
		decWin.enable = pAddrDecWin->enable;
		decWin.target = target;

		existingWinNum = mvAhbToMbusWinTargetGet(target);

		/* check if there is already another Window configured
		for this target */
		if ((existingWinNum < MAX_AHB_TO_MBUS_WINS )&&
			(existingWinNum != pAddrDecWin->winNum))
		{
			/* if we want to enable the new winow number
			passed by the user , then the old one should
			be disabled */
			if (MV_TRUE == pAddrDecWin->enable)
			{
				/* be sure it is disabled */
				mvAhbToMbusWinEnable(existingWinNum , MV_FALSE);
			}
		}

        if (mvAhbToMbusWinSet(pAddrDecWin->winNum,&decWin) != MV_OK)
		{
			mvOsPrintf("mvCpuIfTargetWinSet: mvAhbToMbusWinSet Failed\n");
			return MV_ERROR;
		}

	}

    return MV_OK;
}

/*******************************************************************************
* mvCpuIfTargetWinGet - Get CPU-to-peripheral target address window
*
* DESCRIPTION:
*		Get the CPU peripheral target address window.
*
* INPUT:
*       target - Peripheral target enumerator
*
* OUTPUT:
*       pAddrDecWin - CPU target window information data structure.
*
* RETURN:
*       MV_OK if target exist, MV_ERROR otherwise.
*
*******************************************************************************/
MV_STATUS mvCpuIfTargetWinGet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin)
{

	MV_U32 winNum=0xffffffff;
	MV_AHB_TO_MBUS_DEC_WIN decWin;
	MV_DRAM_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinGet: target %d is Illigal\n", target);
		return MV_ERROR;
	}

	if (MV_TARGET_IS_DRAM(target))
	{
		if (mvDramIfWinGet(target,&addrDecWin) != MV_OK)
		{
			mvOsPrintf("mvCpuIfTargetWinGet: Failed to get window target %d\n",
					   target);
			return MV_ERROR;
		}

		/* copy relevant data to MV_CPU_DEC_WIN structure */
		pAddrDecWin->addrWin.baseLow = addrDecWin.addrWin.baseLow;
		pAddrDecWin->addrWin.baseHigh = addrDecWin.addrWin.baseHigh;
		pAddrDecWin->addrWin.size = addrDecWin.addrWin.size;
		pAddrDecWin->enable = addrDecWin.enable;
		pAddrDecWin->winNum = 0xffffffff;

	}
	else
	{
		/* get the Window number associated with this target */

		winNum = mvAhbToMbusWinTargetGet(target);
		if (winNum >= MAX_AHB_TO_MBUS_WINS)
		{
			return MV_NO_SUCH;

		}

		if (mvAhbToMbusWinGet(winNum , &decWin) != MV_OK)
		{
			mvOsPrintf("%s: mvAhbToMbusWinGet Failed at winNum = %d\n",
					   __FUNCTION__, winNum);
			return MV_ERROR;

		}

		/* copy relevant data to MV_CPU_DEC_WIN structure */
		pAddrDecWin->addrWin.baseLow = decWin.addrWin.baseLow;
		pAddrDecWin->addrWin.baseHigh = decWin.addrWin.baseHigh;
		pAddrDecWin->addrWin.size = decWin.addrWin.size;
		pAddrDecWin->enable = decWin.enable;
		pAddrDecWin->winNum = winNum;

	}


	return MV_OK;
}


/*******************************************************************************
* mvCpuIfTargetWinEnable - Enable/disable a CPU address decode window
*
* DESCRIPTION:
*       This function enable/disable a CPU address decode window.
*       if parameter 'enable' == MV_TRUE the routine will enable the
*       window, thus enabling CPU accesses (before enabling the window it is
*       tested for overlapping). Otherwise, the window will be disabled.
*
* INPUT:
*       target - Peripheral target enumerator.
*       enable - Enable/disable parameter.
*
* OUTPUT:
*       N/A
*
* RETURN:
*       MV_ERROR if protection window number was wrong, or the window
*       overlapps other target window.
*
*******************************************************************************/
MV_STATUS mvCpuIfTargetWinEnable(MV_TARGET target,MV_BOOL enable)
{
	MV_U32 winNum, temp;
	MV_CPU_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinEnable: target %d is Illigal\n", target);
		return MV_ERROR;
	}

	/* get the window and check if it exist */
	temp = mvCpuIfTargetWinGet(target, &addrDecWin);
	if (MV_NO_SUCH == temp)
	{
		return (enable? MV_ERROR: MV_OK);
	}
	else if( MV_OK != temp)
	{
		mvOsPrintf("%s: ERR. Getting target %d failed.\n",__FUNCTION__, target);
		return MV_ERROR;
	}


	/* check overlap */

	if (MV_TRUE == enable)
	{
		if (MV_TRUE == cpuTargetWinOverlap(target, &addrDecWin.addrWin))
		{
			DB(mvOsPrintf("%s: ERR. Target %d overlap\n",__FUNCTION__, target));
			return MV_ERROR;
		}

	}


	if (MV_TARGET_IS_DRAM(target))
	{
		if (mvDramIfWinEnable(target , enable) != MV_OK)
		{
			mvOsPrintf("mvCpuIfTargetWinGet: mvDramIfWinEnable Failed at \n");
			return MV_ERROR;

		}

	}
	else
	{
		/* get the Window number associated with this target */

		winNum = mvAhbToMbusWinTargetGet(target);

		if (winNum >= MAX_AHB_TO_MBUS_WINS)
		{
			return (enable? MV_ERROR: MV_OK);
		}

		if (mvAhbToMbusWinEnable(winNum , enable) != MV_OK)
		{
			mvOsPrintf("mvCpuIfTargetWinGet: Failed to enable window = %d\n",
					   winNum);
			return MV_ERROR;

		}

	}

	return MV_OK;
}


/*******************************************************************************
* mvCpuIfTargetWinSizeGet - Get CPU target address window size
*
* DESCRIPTION:
*		Get the size of CPU-to-peripheral target window.
*
* INPUT:
*       target - Peripheral target enumerator
*
* OUTPUT:
*       None.
*
* RETURN:
*       32bit size. Function also returns '0' if window is closed.
*		Function returns 0xFFFFFFFF in case of an error.
*
*******************************************************************************/
MV_U32    mvCpuIfTargetWinSizeGet(MV_TARGET target)
{
	MV_CPU_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinSizeGet: target %d is Illigal\n", target);
		return 0;
	}

    /* Get the winNum window */
	if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
	{
		mvOsPrintf("mvCpuIfTargetWinSizeGet:ERR. Getting target %d failed.\n",
                                                                        target);
		return 0;
	}

	/* Check if window is enabled   */
	if (addrDecWin.enable == MV_TRUE)
    {
		return (addrDecWin.addrWin.size);
    }
    else
    {
        return 0;		/* Window disabled. return 0 */
    }
}

/*******************************************************************************
* mvCpuIfTargetWinBaseLowGet - Get CPU target address window base low
*
* DESCRIPTION:
*       CPU-to-peripheral target address window base is constructed of
*       two parts: Low and high.
*		This function gets the CPU peripheral target low base address.
*
* INPUT:
*       target - Peripheral target enumerator
*
* OUTPUT:
*       None.
*
* RETURN:
*       32bit low base address.
*
*******************************************************************************/
MV_U32   mvCpuIfTargetWinBaseLowGet(MV_TARGET target)
{
	MV_CPU_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target);
		return 0xffffffff;
	}

    /* Get the target window */
	if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
	{
		mvOsPrintf("mvCpuIfTargetWinBaseLowGet:ERR. Getting target %d failed.\n",
                                                                        target);
		return 0xffffffff;
	}

	if (MV_FALSE == addrDecWin.enable)
	{
		return 0xffffffff;
	}
	return (addrDecWin.addrWin.baseLow);
}

/*******************************************************************************
* mvCpuIfTargetWinBaseHighGet - Get CPU target address window base high
*
* DESCRIPTION:
*       CPU-to-peripheral target address window base is constructed of
*       two parts: Low and high.
*		This function gets the CPU peripheral target high base address.
*
* INPUT:
*       target - Peripheral target enumerator
*
* OUTPUT:
*       None.
*
* RETURN:
*       32bit high base address.
*
*******************************************************************************/
MV_U32    mvCpuIfTargetWinBaseHighGet(MV_TARGET target)
{
	MV_CPU_DEC_WIN addrDecWin;

	target = MV_CHANGE_BOOT_CS(target);

	/* Check parameters */
	if (target >= MAX_TARGETS)
	{
		mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target);
		return 0xffffffff;
	}

    /* Get the target window */
	if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin))
	{
		mvOsPrintf("mvCpuIfTargetWinBaseHighGet:ERR. Getting target %d failed.\n",
                                                                        target);
		return 0xffffffff;
	}

	if (MV_FALSE == addrDecWin.enable)
	{
		return 0;
	}

	return (addrDecWin.addrWin.baseHigh);
}

#if defined(MV_INCLUDE_PEX)
/*******************************************************************************
* mvCpuIfPexRemap - Set CPU remap register for address windows.
*
* DESCRIPTION:
*
* INPUT:
*       pexTarget   - Peripheral target enumerator. Must be a PEX target.
*       pAddrDecWin - CPU target window information data structure.
*                     Note that caller has to fill in the base field only. The
*                     size field is ignored.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_ERROR if target is not a PEX one, MV_OK otherwise.
*
*******************************************************************************/
MV_U32 mvCpuIfPexRemap(MV_TARGET pexTarget, MV_ADDR_WIN *pAddrDecWin)
{
	MV_U32 winNum;

	/* Check parameters */

	if (mvCtrlPexMaxIfGet() > 1)
	{
		if ((!MV_TARGET_IS_PEX1(pexTarget))&&(!MV_TARGET_IS_PEX0(pexTarget)))
		{
			mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget);
			return 0xffffffff;
		}

	}
	else
	{
		if (!MV_TARGET_IS_PEX0(pexTarget))
		{
			mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget);
			return 0xffffffff;
		}

	}

	/* get the Window number associated with this target */
	winNum = mvAhbToMbusWinTargetGet(pexTarget);

	if (winNum >= MAX_AHB_TO_MBUS_WINS)
	{
		mvOsPrintf("mvCpuIfPexRemap: mvAhbToMbusWinTargetGet Failed\n");
		return 0xffffffff;

	}

	return mvAhbToMbusWinRemap(winNum , pAddrDecWin);
}

#endif

#if defined(MV_INCLUDE_PCI)
/*******************************************************************************
* mvCpuIfPciRemap - Set CPU remap register for address windows.
*
* DESCRIPTION:
*
* INPUT:
*       pciTarget   - Peripheral target enumerator. Must be a PCI target.
*       pAddrDecWin - CPU target window information data structure.
*                     Note that caller has to fill in the base field only. The
*                     size field is ignored.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_ERROR if target is not a PCI one, MV_OK otherwise.
*
*******************************************************************************/
MV_U32 mvCpuIfPciRemap(MV_TARGET pciTarget, MV_ADDR_WIN *pAddrDecWin)
{
	MV_U32 winNum;

	/* Check parameters */
	if (!MV_TARGET_IS_PCI(pciTarget))
	{
		mvOsPrintf("mvCpuIfPciRemap: target %d is Illigal\n",pciTarget);
		return 0xffffffff;
	}

	/* get the Window number associated with this target */
	winNum = mvAhbToMbusWinTargetGet(pciTarget);

	if (winNum >= MAX_AHB_TO_MBUS_WINS)
	{
		mvOsPrintf("mvCpuIfPciRemap: mvAhbToMbusWinTargetGet Failed\n");
		return 0xffffffff;

	}

	return mvAhbToMbusWinRemap(winNum , pAddrDecWin);
}
#endif /* MV_INCLUDE_PCI */


/*******************************************************************************
* mvCpuIfPciIfRemap - Set CPU remap register for address windows.
*
* DESCRIPTION:
*
* INPUT:
*       pciTarget   - Peripheral target enumerator. Must be a PCI target.
*       pAddrDecWin - CPU target window information data structure.
*                     Note that caller has to fill in the base field only. The
*                     size field is ignored.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_ERROR if target is not a PCI one, MV_OK otherwise.
*
*******************************************************************************/
MV_U32 mvCpuIfPciIfRemap(MV_TARGET pciIfTarget, MV_ADDR_WIN *pAddrDecWin)
{
#if defined(MV_INCLUDE_PEX)
	if (MV_TARGET_IS_PEX(pciIfTarget))
	{
		return mvCpuIfPexRemap(pciIfTarget,pAddrDecWin);
	}
#endif
#if defined(MV_INCLUDE_PCI)

	if (MV_TARGET_IS_PCI(pciIfTarget))
	{
		return mvCpuIfPciRemap(pciIfTarget,pAddrDecWin);
	}
#endif
	return 0;
}


/*******************************************************************************
* mvCpuIfTargetOfBaseAddressGet - Get the target according to base address
*
* DESCRIPTION:
*
* INPUT:
*       baseAddress -  base address to be checked
*
* OUTPUT:
*       None.
*
* RETURN:
*       the target number that baseAddress belongs to or MAX_TARGETS is not
*       found
*
*******************************************************************************/

MV_TARGET mvCpuIfTargetOfBaseAddressGet(MV_U32 baseAddress)
{
	MV_CPU_DEC_WIN win;
	MV_U32 target;

	for( target = 0; target < MAX_TARGETS; target++ )
	{
		if( mvCpuIfTargetWinGet( target, &win ) == MV_OK )
		{
			if( win.enable )
			{
				if ((baseAddress >= win.addrWin.baseLow) &&
					(baseAddress < win.addrWin.baseLow + win.addrWin.size)) break;
            }
		}
		else return MAX_TARGETS;

	}

	return target;
}
/*******************************************************************************
* cpuTargetWinOverlap - Detect CPU address decode windows overlapping
*
* DESCRIPTION:
*       An unpredicted behaviur is expected in case CPU address decode
*       windows overlapps.
*       This function detects CPU address decode windows overlapping of a
*       specified target. The function does not check the target itself for
*       overlapping. The function also skipps disabled address decode windows.
*
* INPUT:
*       target      - Peripheral target enumerator.
*       pAddrDecWin - An address decode window struct.
*
* OUTPUT:
*       None.
*
* RETURN:
*       MV_TRUE if the given address window overlaps current address
*       decode map, MV_FALSE otherwise.
*
*******************************************************************************/
static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin)
{
    MV_U32 			targetNum;
    MV_CPU_DEC_WIN 	addrDecWin;
	MV_STATUS		status;


	for(targetNum = 0; targetNum < MAX_TARGETS; targetNum++)
    {
#if defined(MV_RUN_FROM_FLASH)
		if(MV_TARGET_IS_AS_BOOT(target))
		{
			if (MV_CHANGE_BOOT_CS(targetNum) == target)
				continue;
		}
#endif /* MV_RUN_FROM_FLASH */

		/* don't check our target or illegal targets */
        if (targetNum == target)
        {
            continue;
        }

		/* Get window parameters 	*/
		status = mvCpuIfTargetWinGet(targetNum, &addrDecWin);
        if(MV_NO_SUCH == status)
        {
            continue;
        }
		if(MV_OK != status)
		{
			DB(mvOsPrintf("cpuTargetWinOverlap: ERR. TargetWinGet failed\n"));
            return MV_TRUE;
		}

		/* Do not check disabled windows	*/
		if (MV_FALSE == addrDecWin.enable)
		{
			continue;
		}

        if(MV_TRUE == ctrlWinOverlapTest(pAddrWin, &addrDecWin.addrWin))
		{
			DB(mvOsPrintf(
			"cpuTargetWinOverlap: Required target %d overlap current %d\n",
								target, targetNum));
			return MV_TRUE;
		}
    }

	return MV_FALSE;

}

/*******************************************************************************
* mvCpuIfAddDecShow - Print the CPU address decode map.
*
* DESCRIPTION:
*		This function print the CPU address decode map.
*
* INPUT:
*       None.
*
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvCpuIfAddDecShow(MV_VOID)
{
	MV_CPU_DEC_WIN win;
	MV_U32 target;
	mvOsOutput( "\n" );
	mvOsOutput( "CPU Interface\n" );
	mvOsOutput( "-------------\n" );

	for( target = 0; target < MAX_TARGETS; target++ )
	{

		memset( &win, 0, sizeof(MV_CPU_DEC_WIN) );

		mvOsOutput( "%s ",mvCtrlTargetNameGet(target));
		mvOsOutput( "...." );

		if( mvCpuIfTargetWinGet( target, &win ) == MV_OK )
		{
			if( win.enable )
			{
				mvOsOutput( "base %08x, ", win.addrWin.baseLow );
				mvSizePrint( win.addrWin.size );
				mvOsOutput( "\n" );

            }
			else
				mvOsOutput( "disable\n" );
		}
		else if( mvCpuIfTargetWinGet( target, &win ) == MV_NO_SUCH )
		{
				mvOsOutput( "no such\n" );
		}
	}
}

/*******************************************************************************
* mvCpuIfEnablePex - Enable PCI Express.
*
* DESCRIPTION:
*		This function Enable PCI Express.
*
* INPUT:
*       pexIf   -  PEX interface number.
*       pexType -  MV_PEX_ROOT_COMPLEX - root complex device
*		   MV_PEX_END_POINT - end point device
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
#if defined(MV_INCLUDE_PEX)
MV_VOID mvCpuIfEnablePex(MV_U32 pexIf, MV_PEX_TYPE pexType)
{
	/* Set pex mode incase S@R not exist */
	if( pexType == MV_PEX_END_POINT)
	{
		MV_REG_BIT_RESET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK);
		/* Change pex mode in capability reg */
		MV_REG_BIT_RESET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT22);
		MV_REG_BIT_SET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT20);

	}
	else
	{
		MV_REG_BIT_SET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK);
	}

	/* CPU config register Pex enable */
	MV_REG_BIT_SET(CPU_CTRL_STAT_REG,CCSR_PCI_ACCESS_MASK);
}
#endif