embeddedsw/XilinxProcessorIPLib/drivers/tpg/src/xtpg_selftest.c
Durga challa a5b11586d5 tpg: Added files to tpg.
Added source files, intgration files and selftest example.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Signed-off-by: Durga challa <vnsldurg@xilinx.com>
2014-09-02 11:20:58 +05:30

109 lines
3.6 KiB
C
Executable file

/******************************************************************************
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/*****************************************************************************/
/**
*
* @file xtpg_selftest.c
*
* This file contains the self-test functions for the TPG driver.
* The self test function reads the Version Register.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ----- ------- ----------------------------------------------
* 3.0 adk 02/19/14 First Release.
* Implemented XTpg_SelfTest function.
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xtpg.h"
#include "xstatus.h"
/************************** Constant Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/**************************** Type Definitions *******************************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/************************** Function Definitions *****************************/
/*****************************************************************************/
/**
*
* This function reads Version register of TPG core and compares with zero
* as part of self test.
*
* @param InstancePtr is a pointer to the TPG instance.
*
* @return
* - XST_SUCCESS if the Version register read test was successful.
* - XST_FAILURE if the Version register read test failed.
*
* @note None.
*
******************************************************************************/
int XTpg_SelfTest(XTpg *InstancePtr)
{
u32 Version;
int Status;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
/* Read TPG core version register. */
Version = XTpg_ReadReg(InstancePtr->Config.BaseAddress,
(XTPG_VERSION_OFFSET));
/* Compare version with zero. */
if(Version != (u32)0x0) {
Status = (XST_SUCCESS);
}
else {
Status = (XST_FAILURE);
}
return Status;
}