FreeRTOS/Demo/CORTEX_A53_64-bit_UltraScale_MPSoC/RTOSDemo_A53_bsp/psu_cortexa53_0/libsrc/ttcps_v3_5/src/xttcps_selftest.c

/******************************************************************************
*
* Copyright (C) 2010 - 2015 Xilinx, Inc.  All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* XILINX  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/*****************************************************************************/
/**
*
* @file xttcps_selftest.c
* @addtogroup ttcps_v3_5
* @{
*
* This file contains the implementation of self test function for the
* XTtcPs driver.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who    Date     Changes
* ----- ------ -------- ---------------------------------------------
* 1.00a drg/jz 01/21/10 First release
* 3.00  kvn    02/13/15 Modified code for MISRA-C:2012 compliance.
* </pre>
*
******************************************************************************/

/***************************** Include Files *********************************/

#include "xttcps.h"

/************************** Constant Definitions *****************************/


/**************************** Type Definitions *******************************/


/***************** Macros (Inline Functions) Definitions *********************/


/************************** Function Prototypes ******************************/


/************************** Variable Definitions *****************************/


/*****************************************************************************/
/**
*
* Runs a self-test on the driver/device.
*
*
* @param	InstancePtr is a pointer to the XTtcPs instance.
*
* @return
*
*	- XST_SUCCESS if successful
*	- XST_FAILURE indicates a register did not read or write correctly
*
* @note		This test fails if it is not called right after initialization.
*
******************************************************************************/
s32 XTtcPs_SelfTest(XTtcPs *InstancePtr)
{
	s32 Status;
	u32 TempReg;

	Xil_AssertNonvoid(InstancePtr != NULL);
	Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);

	/*
	 * All the TTC registers should be in their default state right now.
	 */
	TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
				   XTTCPS_CNT_CNTRL_OFFSET);
	if (XTTCPS_CNT_CNTRL_RESET_VALUE != (u32)TempReg) {
		Status = XST_FAILURE;
	}
	else {
		Status = XST_SUCCESS;
	}
	return Status;
}
/** @} */