cfupmc
Xilinx SDK Drivers API Documentation
xcfupmc.c File Reference

Overview

This file which contains the code related to CFU block.

MODIFICATION HISTORY:
Ver   Who  Date        Changes
----- ---- -------- -------------------------------------------------------
1.00  kc   12/21/2017 Initial release
2.00  bsv        03/01/2019     Added error handling APIs
2.01  bsv  11/06/2019 XCfupmc_ClearCfuIsr API added
Note

Functions

s32 XCfupmc_CfgInitialize (XCfupmc *InstancePtr, XCfupmc_Config *CfgPtr, u32 EffectiveAddr)
 This function initializes an CFU core. More...
 
void XCfupmc_MaskRegWrite (XCfupmc *InstancePtr, u32 Addr, u32 Mask, u32 Val)
 This function does CFI register write using MASK register. More...
 
void XCfupmc_SetParam (XCfupmc *InstancePtr)
 This function sets the CFU parameters as specified in the Instance Ptr. More...
 
s32 XCfupmc_WaitForStreamBusy (XCfupmc *InstancePtr)
 This function waits for CFU stream busy status. More...
 
s32 XCfupmc_CheckParam (XCfupmc *InstancePtr)
 This function checks CFI data CRC after loading to PL. More...
 
void XCfupmc_SetGlblSigEn (XCfupmc *InstancePtr, u8 Enable)
 This function enables or disables the global signals. More...
 
void XCfupmc_GlblSeqInit (XCfupmc *InstancePtr)
 This function inits the global events to needs to be done before loading the CFI data. More...
 
void XCfupmc_StartGlblSeq (XCfupmc *InstancePtr)
 This function starts the sequence to enable Global signals. More...
 
void XCfupmc_EndGlblSeq (XCfupmc *InstancePtr)
 This function does end of Global sequence. More...
 
void XCfupmc_Reset (XCfupmc *InstancePtr)
 This function resets the CFU block. More...
 
void XCfupmc_WaitForStreamDone (XCfupmc *InstancePtr)
 This function waits till Fabric is busy. More...
 
void XCfupmc_CfuErrHandler (XCfupmc *InstancePtr)
 This function checks and handles CFU errors. More...
 
void XCfupmc_CfiErrHandler (XCfupmc *InstancePtr)
 This function handles CFI errors. More...
 
void XCfupmc_ClearCfuIsr (XCfupmc *InstancePtr)
 This function clears CFU ISR. More...
 
void XCfupmc_ClearIgnoreCfiErr (XCfupmc *InstancePtr)
 This function clears Ignore CFI ERROR mask in CFU_APB_CFU_CTL. More...
 
void XCfupmc_ExtErrorHandler (XCfupmc *InstancePtr)
 This function is called when bitstream transfer is aborted by user. More...
 

Function Documentation

s32 XCfupmc_CfgInitialize ( XCfupmc InstancePtr,
XCfupmc_Config CfgPtr,
u32  EffectiveAddr 
)

This function initializes an CFU core.

This function must be called prior to using an CFU driver.

Parameters
InstancePtris a pointer to the XCfupmc instance.
CfgPtris a reference to a structure containing information about a specific XCfupmc instance.
EffectiveAddris the device base address in the virtual memory address space. The caller is responsible for keeping the address mapping from EffectiveAddr to the device physical base address unchanged once this function is invoked. Unexpected errors may occur if the address mapping changes after this function is called. If address translation is not used, pass in the physical address instead.
Returns
  • XST_SUCCESS if initialization was successful.
Note
None.

References XCfupmc_Config::BaseAddress, XCfupmc::Config, and XCfupmc::IsReady.

void XCfupmc_CfiErrHandler ( XCfupmc InstancePtr)

This function handles CFI errors.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References CFU_APB_CFU_CTL, XCfupmc_MaskRegWrite(), and XCfupmc_Reset().

void XCfupmc_CfuErrHandler ( XCfupmc InstancePtr)

This function checks and handles CFU errors.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

MISRA-C compliance

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_ISR, XCfupmc::Config, XCfupmc_ClearCfuIsr(), XCfupmc_ReadReg, and XCfupmc_Reset().

s32 XCfupmc_CheckParam ( XCfupmc InstancePtr)

This function checks CFI data CRC after loading to PL.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
  • XST_SUCCESS if there is no CRC failure

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_CRC_EXPECT, CFU_APB_CFU_CTL, CFU_APB_CFU_ISR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), XCfupmc_ReadReg, and XCfupmc_WriteReg.

void XCfupmc_ClearCfuIsr ( XCfupmc InstancePtr)

This function clears CFU ISR.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_ClearIsr.

Referenced by XCfupmc_CfuErrHandler().

void XCfupmc_ClearIgnoreCfiErr ( XCfupmc InstancePtr)

This function clears Ignore CFI ERROR mask in CFU_APB_CFU_CTL.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References CFU_APB_CFU_CTL, and XCfupmc_MaskRegWrite().

void XCfupmc_EndGlblSeq ( XCfupmc InstancePtr)

This function does end of Global sequence.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_FGCR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), and XCfupmc_WriteReg.

void XCfupmc_ExtErrorHandler ( XCfupmc InstancePtr)

This function is called when bitstream transfer is aborted by user.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None
                                   ? 

References CFU_APB_CFU_CTL, and XCfupmc_MaskRegWrite().

void XCfupmc_GlblSeqInit ( XCfupmc InstancePtr)

This function inits the global events to needs to be done before loading the CFI data.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_FGCR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), and XCfupmc_WriteReg.

void XCfupmc_MaskRegWrite ( XCfupmc InstancePtr,
u32  Addr,
u32  Mask,
u32  Val 
)

This function does CFI register write using MASK register.

Parameters
InstancePtris a pointer to the XCfupmc instance.
AddrAddress of the regiser to be written
MaskMask of the bit field to be written
ValValue of bit field
Returns
None
Note
None.

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_MASK, XCfupmc::Config, XCfupmc_ReadReg, and XCfupmc_WriteReg.

Referenced by XCfupmc_CfiErrHandler(), XCfupmc_CheckParam(), XCfupmc_ClearIgnoreCfiErr(), XCfupmc_EndGlblSeq(), XCfupmc_ExtErrorHandler(), XCfupmc_GlblSeqInit(), XCfupmc_Reset(), XCfupmc_SetGlblSigEn(), XCfupmc_SetParam(), and XCfupmc_StartGlblSeq().

void XCfupmc_Reset ( XCfupmc InstancePtr)

This function resets the CFU block.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References CFU_APB_CFU_CTL, and XCfupmc_MaskRegWrite().

Referenced by XCfupmc_CfiErrHandler(), and XCfupmc_CfuErrHandler().

void XCfupmc_SetGlblSigEn ( XCfupmc InstancePtr,
u8  Enable 
)

This function enables or disables the global signals.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_FGCR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), and XCfupmc_WriteReg.

void XCfupmc_SetParam ( XCfupmc InstancePtr)

This function sets the CFU parameters as specified in the Instance Ptr.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None
Note
None.

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_CTL, CFU_APB_CFU_FGCR, CFU_APB_CFU_ITR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), and XCfupmc_WriteReg.

void XCfupmc_StartGlblSeq ( XCfupmc InstancePtr)

This function starts the sequence to enable Global signals.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_FGCR, CFU_APB_CFU_PROTECT, XCfupmc::Config, XCfupmc_MaskRegWrite(), and XCfupmc_WriteReg.

s32 XCfupmc_WaitForStreamBusy ( XCfupmc InstancePtr)

This function waits for CFU stream busy status.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
  • XST_SUCCESS if there is no CRC failure

References XCfupmc_Config::BaseAddress, CFU_APB_CFU_STATUS, XCfupmc::Config, and XCfupmc_ReadReg.

void XCfupmc_WaitForStreamDone ( XCfupmc InstancePtr)

This function waits till Fabric is busy.

Parameters
InstancePtris a pointer to the XCfupmc instance.
Returns
None

References XCfupmc_ReadStatus.