0af75fbce8
This patch modifies the the code according to MISRAC 2012. Signed-off-by: P L Sai Krishna <lakshmis@xilinx.com>
127 lines
4.3 KiB
C
Executable file
127 lines
4.3 KiB
C
Executable file
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2010 - 2014 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 xscuwdt_selftest.c
|
|
*
|
|
* Contains diagnostic self-test functions for the XScuWdt driver.
|
|
*
|
|
* <pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- --- -------- ---------------------------------------------
|
|
* 1.00a sdm 01/15/10 First release
|
|
* </pre>
|
|
*
|
|
******************************************************************************/
|
|
|
|
/***************************** Include Files *********************************/
|
|
|
|
#include "xscuwdt.h"
|
|
|
|
/************************** Constant Definitions *****************************/
|
|
|
|
/**************************** Type Definitions *******************************/
|
|
|
|
/***************** Macros (Inline Functions) Definitions *********************/
|
|
|
|
/************************** Function Prototypes ******************************/
|
|
|
|
/************************** Variable Definitions *****************************/
|
|
|
|
/****************************************************************************/
|
|
/**
|
|
*
|
|
* Run a self-test on the WDT. This test stops the watchdog, writes a value to
|
|
* the watchdog load register, starts the watchdog and verifies that the value
|
|
* read from the counter register is less that the value written to the load
|
|
* register. It then restores the control register and the watchdog load
|
|
* register.
|
|
*
|
|
* @param InstancePtr is a pointer to the XScuWdt instance.
|
|
*
|
|
* @return
|
|
* - XST_SUCCESS if self-test was successful.
|
|
* - XST_FAILURE if the WDT is not decrementing.
|
|
*
|
|
* @note None.
|
|
*
|
|
******************************************************************************/
|
|
s32 XScuWdt_SelfTest(XScuWdt *InstancePtr)
|
|
{
|
|
s32 SelfTestStatus;
|
|
u32 Register;
|
|
u32 CtrlOrig;
|
|
u32 LoadOrig;
|
|
|
|
/*
|
|
* Assert to ensure the inputs are valid and the instance has been
|
|
* initialized.
|
|
*/
|
|
Xil_AssertNonvoid(InstancePtr != NULL);
|
|
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
|
|
|
/*
|
|
* Stop the watchdog timer.
|
|
*/
|
|
CtrlOrig = XScuWdt_GetControlReg(InstancePtr);
|
|
XScuWdt_SetControlReg(InstancePtr,
|
|
CtrlOrig & (u32)(~XSCUWDT_CONTROL_WD_ENABLE_MASK));
|
|
|
|
LoadOrig = XScuWdt_ReadReg((InstancePtr)->Config.BaseAddr,
|
|
XSCUWDT_LOAD_OFFSET);
|
|
XScuWdt_LoadWdt(InstancePtr, 0xFFFFFFFFU);
|
|
|
|
/*
|
|
* Start the watchdog timer and check if the watchdog counter is
|
|
* decrementing.
|
|
*/
|
|
XScuWdt_SetControlReg(InstancePtr,
|
|
CtrlOrig | (u32)XSCUWDT_CONTROL_WD_ENABLE_MASK);
|
|
|
|
Register = XScuWdt_ReadReg((InstancePtr)->Config.BaseAddr,
|
|
XSCUWDT_COUNTER_OFFSET);
|
|
|
|
XScuWdt_LoadWdt(InstancePtr, LoadOrig);
|
|
XScuWdt_SetControlReg(InstancePtr, CtrlOrig);
|
|
|
|
if (Register == 0xFFFFFFFFU) {
|
|
SelfTestStatus = (s32)XST_FAILURE;
|
|
}
|
|
else {
|
|
SelfTestStatus = (s32)XST_SUCCESS;
|
|
}
|
|
|
|
return SelfTestStatus;
|
|
}
|