111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xscugic_selftest.c
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*
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* Contains diagnostic self-test functions for the XScuGic driver.
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a drg 01/19/10 First release
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*
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xil_types.h"
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#include "xil_assert.h"
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#include "xscugic.h"
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/************************** Constant Definitions *****************************/
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#define XSCUGIC_PCELL_ID 0xB105F00D
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Function Prototypes ******************************/
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/************************** Variable Definitions *****************************/
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/*****************************************************************************/
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/**
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*
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* Run a self-test on the driver/device. This test reads the ID registers and
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* compares them.
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*
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* @param InstancePtr is a pointer to the XScuGic instance.
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*
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* @return
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*
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* - XST_SUCCESS if self-test is successful.
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* - XST_FAILURE if the self-test is not successful.
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*
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* @note None.
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*
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******************************************************************************/
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int XScuGic_SelfTest(XScuGic *InstancePtr)
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{
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u32 RegValue1 =0;
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int Index;
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/*
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* Assert the arguments
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*/
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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/*
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* Read the ID registers.
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*/
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for(Index=0; Index<=3; Index++) {
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RegValue1 |= XScuGic_DistReadReg(InstancePtr,
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(XSCUGIC_PCELLID_OFFSET + (Index * 4))) << (Index * 8);
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}
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if(XSCUGIC_PCELL_ID != RegValue1){
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return XST_FAILURE;
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}
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return XST_SUCCESS;
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}
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