112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright (C) 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 THE
|
|
* XILINX CONSORTIUM 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 xrtcpsu_selftest.c
|
|
* @addtogroup rtcpsu_v1_0
|
|
* @{
|
|
*
|
|
* This file contains the self-test functions for the XRtcPsu driver.
|
|
*
|
|
* <pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- ------ -------- -----------------------------------------------
|
|
* 1.00 kvn 04/21/15 First release.
|
|
* </pre>
|
|
*
|
|
******************************************************************************/
|
|
|
|
/***************************** Include Files *********************************/
|
|
|
|
#include "xstatus.h"
|
|
#include "xrtcpsu.h"
|
|
|
|
/************************** Constant Definitions *****************************/
|
|
|
|
|
|
/**************************** Type Definitions *******************************/
|
|
|
|
|
|
/***************** Macros (Inline Functions) Definitions *********************/
|
|
|
|
|
|
/************************** Variable Definitions *****************************/
|
|
|
|
|
|
/************************** Function Prototypes ******************************/
|
|
|
|
|
|
/****************************************************************************/
|
|
/**
|
|
*
|
|
* This function runs a self-test on the driver and hardware device. This self
|
|
* test writes reset value into safety check register and read backs the same.
|
|
* If mismatch offers, returns the failure.
|
|
*
|
|
* @param InstancePtr is a pointer to the XRtcPsu instance
|
|
*
|
|
* @return
|
|
* - XST_SUCCESS if the test was successful
|
|
*
|
|
* @note
|
|
*
|
|
* This function can hang if the hardware is not functioning properly.
|
|
*
|
|
******************************************************************************/
|
|
s32 XRtcPsu_SelfTest(XRtcPsu *InstancePtr)
|
|
{
|
|
s32 Status = XST_SUCCESS;
|
|
u32 SafetyCheck;
|
|
|
|
/* Assert validates the input arguments */
|
|
Xil_AssertNonvoid(InstancePtr != NULL);
|
|
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
|
|
|
/*
|
|
* Write the reset value in safety check register and
|
|
* try reading back. If mismatch happens, return failure.
|
|
*/
|
|
XRtcPsu_WriteReg(InstancePtr->RtcConfig.BaseAddr + XRTC_SFTY_CHK_OFFSET,
|
|
XRTC_SFTY_CHK_RSTVAL);
|
|
SafetyCheck = XRtcPsu_ReadReg(InstancePtr->RtcConfig.BaseAddr +
|
|
XRTC_SFTY_CHK_OFFSET);
|
|
|
|
if (SafetyCheck != XRTC_SFTY_CHK_RSTVAL) {
|
|
Status = XST_FAILURE;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
/** @} */
|