xmpmc.c

XINLINX公司开发板的嵌入式源代码

	 */
	RegData = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMCTRL_OFFSET);
	XMpmc_mWriteReg(InstancePtr->ConfigPtr.BaseAddress,
			XMPMC_PMCTRL_OFFSET, RegData | Mask);
}

/****************************************************************************/
/**
*
* Disable the Performance Monitoring for the specified ports.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param 	Mask is the bit-mask of the ports for which the PM is to be
*		disabled.
*		Bit positions of 1 are disabled. The mask is formed by OR'ing
*		bits from XMPMC_PMREG_*_MASK.
*
* @return	None.
*
* @note		None.
*
*****************************************************************************/
void XMpmc_DisablePm(XMpmc *InstancePtr, u32 Mask)
{
	u32 RegData;

	/*
	 * Assert arguments.
	 */
	XASSERT_VOID(InstancePtr != NULL);
	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr->ConfigPtr.PerfMonitorEnable == TRUE);

	/*
	 * Disable the Performance Monitoring for the specified ports.
	 */
	RegData = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMCTRL_OFFSET) &
				  XMPMC_PMREG_PM_ALL_MASK;
	XMpmc_mWriteReg(InstancePtr->ConfigPtr.BaseAddress,
			XMPMC_PMCTRL_OFFSET, RegData & (~ Mask));
}

/****************************************************************************/
/**
*
* Clear the Performance Monitoring Data Bins for the specified ports.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param 	Mask is the bit-mask of the ports for which the PM Data bins
*		are to be cleared.
*		Bit positions of 1 are cleared. The mask is formed by OR'ing
*		bits from XMPMC_PMREG_*_MASK.
*
* @return	None.
*
* @note		None.
*
*****************************************************************************/
void XMpmc_ClearDataBinPm(XMpmc * InstancePtr, u32 Mask)
{
	u32 RegData;

	/*
	 * Assert arguments.
	 */
	XASSERT_VOID(InstancePtr != NULL);
	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr->ConfigPtr.PerfMonitorEnable == TRUE);

	/*
	 * Clear the Performance Monitoring Data Bins for the specified ports.
	 */
	RegData = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMSTATUS_OFFSET);
	XMpmc_mWriteReg(InstancePtr->ConfigPtr.BaseAddress,
			XMPMC_PMCLR_OFFSET, RegData | Mask );
}


/****************************************************************************/
/**
*
* Get the Performance Monitoring Data Bin Clear Status.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
*
* @return	The Status of the Clear Operation on the Data Bins.
*
* @note		None.
*
*****************************************************************************/
u32 XMpmc_GetStatusPm(XMpmc * InstancePtr)
{
	u32 RegData;

	/*
	 * Assert arguments.
	 */
	XASSERT_NONVOID(InstancePtr != NULL);
	XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_NONVOID(InstancePtr->ConfigPtr.PerfMonitorEnable == TRUE);

	/*
	 * Get the Performance Monitoring Data Bin Clear Status.
	 */
	RegData = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMSTATUS_OFFSET);

	return RegData;

}

/****************************************************************************/
/**
*
* Clears the Performance Monitoring Data Bin Clear Status for the specified
* bins.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param 	Mask is the of the ports for which the PM Data bin clear status
*		bits are to be cleared. Bit positions of 1 are cleared.
*		The mask is formed by OR'ing bits from XMPMC_PMREG_*_MASK.
*
* @return	None.
*
* @note		None.
*
*****************************************************************************/
void XMpmc_ClearStatusPm(XMpmc * InstancePtr, u32 Mask)
{

	/*
	 * Assert arguments.
	 */
	XASSERT_VOID(InstancePtr != NULL);
	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr->ConfigPtr.PerfMonitorEnable == TRUE);

	/*
	 * Clear the Performance Monitoring Status for the specified ports.
	 */
	XMpmc_mWriteReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMSTATUS_OFFSET,
				  Mask);

}


/****************************************************************************/
/**
*
* Get the Performance Monitoring Global Cycle Count.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
*
* @return	The Global Cycle Count.
*
* @note		None.
*
*****************************************************************************/
Xuint64 XMpmc_GetGlobalCycleCountPm(XMpmc * InstancePtr)
{
	Xuint64 RegData;

	/*
	 * Get the Performance Monitoring Global Cycle Count.
	 */
	RegData.Upper = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMGCC_OFFSET);
	RegData.Lower = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
				  XMPMC_PMGCC_OFFSET + 4);

	return RegData;

}


/****************************************************************************/
/**
*
* Get the Performance Monitoring Dead Cycle Count for the specified port.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param	PortNum is the Port Number. The valid port numbers are 0 to 7.
*		Use the definitions XMPMC_PM_PORT* for specifying the port
*		number.
*
* @return	The Dead Cycle Count for the specified port.
*
* @note		The user is responsible for giving valid inputs to this
*		function. The input arguments are not checked for correctness
*		in this function.
*
*****************************************************************************/
Xuint64 XMpmc_GetDeadCycleCountPm(XMpmc * InstancePtr, u8 PortNum)
{
	u32 RegAddress;
	Xuint64 RegData;

	/*
	 * Get the Performance Monitoring Dead Cycle Count.
	 */
	RegAddress = XMPMC_PMDCC_OFFSET + (PortNum << 3);
	RegData.Upper = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
					RegAddress);
	RegData.Lower = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
					RegAddress + 4);

	return RegData;
}


/****************************************************************************/
/**
*
* Get the Performance Monitoring Data for the specified bin.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param	PortNum is the Port Number. The valid port numbers are 0 to 7.
*		Use the definitions XMPMC_PM_PORT* for specifying the port
*		number.
* @param	Qualifier is the qualifier type. The valid  qualifier type
*		is 0 to 5 . Use the definitions XMPMC_PM_DATABIN_QUAL* for
*		specifying the Qualifier type.
* @param	AccessType specifies whether the Data bin is for Read or Write
*		access. Valid values are 0 to 1. Use the following definitions
*		- Read access (XMPMC_PM_DATABIN_ACCESS_READ)
*		- Write access (XMPMC_PM_DATABIN_ACCESS_WRITE)
* @param	BinNumber is the Bin Number. The valid values are 0 to 31 .
*
*
* @return	The Data Bin Count for the specified Port/Qualifier/AccessType
*		and BinNumber.
*
* @note		The user is responsible for giving valid inputs to this
*		function. The input arguments are not checked for correctness
*		in this function.
*
*****************************************************************************/
Xuint64 XMpmc_GetDataBinCountPm(XMpmc * InstancePtr, u8 PortNum , u8 Qualifier,
				u8 AccessType, u8 BinNumber)
{
	u32 RegAddress;
	Xuint64 RegData;


	/*
	 * Calculate the address of the Data bin.
	 */
	RegAddress =  XMPMC_PMDATABIN_OFFSET +
			(XMPMC_PM_DATABIN_PORT_REG_OFFSET * PortNum) +
			(XMPMC_PM_DATABIN_QUAL_REG_OFFSET * Qualifier) +
			(XMPMC_PM_DATABIN_ACCESS_REG_OFFSET * AccessType) +
			(BinNumber << 3 );

	/*
	 * Get the Performance Monitoring Data bin Count.
	 */
	RegData.Upper = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
					RegAddress);
	RegData.Lower = XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
					RegAddress + 4);


	return RegData;
}


/****************************************************************************/
/**
*
* Set the Static Phy Interface Register of the MPMC device to the specified
* value.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
* @param	Data contains the value to be written to the register. and
*		Use the definitions XMPMC_SPIR_* in xmpmc_hw.h for specifying
*		the value.
*
* @return	None.
*
* @note		None.
*
*****************************************************************************/
void XMpmc_SetStaticPhyReg(XMpmc * InstancePtr, u32 Data)
{
	/*
	 * Assert arguments.
	 */
	XASSERT_VOID(InstancePtr != NULL);
	XASSERT_VOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_VOID(InstancePtr->ConfigPtr.StaticPhyPresent == TRUE);

	/*
	 * Set the control register without any concern for destructiveness.
	 */
	XMpmc_mWriteReg(InstancePtr->ConfigPtr.BaseAddress, XMPMC_SPIR_OFFSET,
			Data);
}

/****************************************************************************/
/**
*
* Get the Static Phy Interface Register contents of the MPMC device.
*
* @param	InstancePtr is a pointer to an XMpmc instance to be worked on.
*
* @return	The value read from the register which consists of constants
*		Use the definitions XMPMC_SPIR_* in xmpmc_hw.h for interpreting
*		the value.
*
* @note		None.
*
*****************************************************************************/
u32 XMpmc_GetStaticPhyReg(XMpmc * InstancePtr)
{
	/*
	 * Assert arguments.
	 */
	XASSERT_NONVOID(InstancePtr != NULL);
	XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
	XASSERT_NONVOID(InstancePtr->ConfigPtr.StaticPhyPresent == TRUE);

	return XMpmc_mReadReg(InstancePtr->ConfigPtr.BaseAddress,
			      XMPMC_SPIR_OFFSET);
}