2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
141 lines
4.4 KiB
C
Executable file
141 lines
4.4 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2007 - 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 xsysmon_selftest.c
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*
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* This file contains a diagnostic self test function for the XSysMon driver.
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* The self test function does a simple read/write test of the Alarm Threshold
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* Register.
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*
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* See xsysmon.h for more information.
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*
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* @note None.
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*
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* <pre>
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*
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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 xd/sv 05/22/07 First release
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* 4.00a ktn 10/22/09 Updated the file to use the HAL APIs/macros.
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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 "xsysmon.h"
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/************************** Constant Definitions ****************************/
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/*
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* The following constant defines the test value to be written
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* to the Alarm Threshold Register
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*/
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#define XSM_ATR_TEST_VALUE 0x55
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/**************************** Type Definitions ******************************/
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/***************** Macros (Inline Functions) Definitions ********************/
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/************************** Variable Definitions ****************************/
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/************************** Function Prototypes *****************************/
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/*****************************************************************************/
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/**
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*
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* Run a self-test on the driver/device. The test
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* - Resets the device,
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* - Writes a value into the Alarm Threshold register and reads it back
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* for comparison.
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* - Resets the device again.
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*
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*
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* @param InstancePtr is a pointer to the XSysMon instance.
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*
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* @return
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* - XST_SUCCESS if the value read from the Alarm Threshold
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* register is the same as the value written.
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* - XST_FAILURE Otherwise
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*
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* @note This is a destructive test in that resets of the device are
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* performed. Refer to the device specification for the
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* device status after the reset operation.
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*
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******************************************************************************/
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int XSysMon_SelfTest(XSysMon *InstancePtr)
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{
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int Status;
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u32 RegValue;
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/*
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* Assert the argument
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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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* Reset the device to get it back to its default state
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*/
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XSysMon_Reset(InstancePtr);
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/*
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* Write a value into the Alarm Threshold registers, read it back, and
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* do the comparison
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*/
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XSysMon_SetAlarmThreshold(InstancePtr, XSM_ATR_VCCINT_UPPER,
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XSM_ATR_TEST_VALUE);
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RegValue = XSysMon_GetAlarmThreshold(InstancePtr, XSM_ATR_VCCINT_UPPER);
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if (RegValue == XSM_ATR_TEST_VALUE) {
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Status = XST_SUCCESS;
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} else {
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Status = XST_FAILURE;
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}
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/*
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* Reset the device again to its default state.
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*/
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XSysMon_Reset(InstancePtr);
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/*
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* Return the test result.
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*/
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return Status;
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}
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