blob: 7b1028f9f5208c3a72e8bc682a622472a4f80deb [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2010 - 2015 Xilinx, Inc. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
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*
* The above copyright notice and this permission notice shall be included in
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******************************************************************************/
/*****************************************************************************/
/**
*
* @file xscugic_selftest.c
* @addtogroup scugic_v3_8
* @{
*
* Contains diagnostic self-test functions for the XScuGic driver.
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ---- -------- -----------------------------------------------
* 1.00a drg 01/19/10 First release
* 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
*
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xil_types.h"
#include "xil_assert.h"
#include "xscugic.h"
/************************** Constant Definitions *****************************/
#define XSCUGIC_PCELL_ID 0xB105F00DU
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/*****************************************************************************/
/**
*
* Run a self-test on the driver/device. This test reads the ID registers and
* compares them.
*
* @param InstancePtr is a pointer to the XScuGic instance.
*
* @return
*
* - XST_SUCCESS if self-test is successful.
* - XST_FAILURE if the self-test is not successful.
*
* @note None.
*
******************************************************************************/
s32 XScuGic_SelfTest(XScuGic *InstancePtr)
{
u32 RegValue1 = 0U;
u32 Index;
s32 Status;
/*
* Assert the arguments
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the ID registers.
*/
for(Index=0U; Index<=3U; Index++) {
RegValue1 |= XScuGic_DistReadReg(InstancePtr,
((u32)XSCUGIC_PCELLID_OFFSET + (Index * 4U))) << (Index * 8U);
}
if(XSCUGIC_PCELL_ID != RegValue1){
Status = XST_FAILURE;
} else {
Status = XST_SUCCESS;
}
return Status;
}
/** @} */