128 lines
4.6 KiB
C
128 lines
4.6 KiB
C
/*******************************************************************************
|
|
*
|
|
* Copyright (C) 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 xdptx_selftest_example.c
|
|
*
|
|
* Contains a design example using the XDptx driver. It performs a self test on
|
|
* the DisplayPort TX core that will compare many of the DisplayPort TX core's
|
|
* registers against their default reset values.
|
|
*
|
|
* @note None.
|
|
*
|
|
* <pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- ---- -------- -----------------------------------------------
|
|
* 1.0 als 06/17/14 Initial creation.
|
|
* </pre>
|
|
*
|
|
*******************************************************************************/
|
|
|
|
/******************************* Include Files ********************************/
|
|
|
|
#include "xdptx_example_common.h"
|
|
|
|
/**************************** Function Prototypes *****************************/
|
|
|
|
u32 Dptx_SelfTestExample(XDptx *InstancePtr, u16 DeviceId);
|
|
|
|
/**************************** Function Definitions ****************************/
|
|
|
|
/******************************************************************************/
|
|
/**
|
|
* This function is the main function of the XDptx selftest example.
|
|
*
|
|
* @param None.
|
|
*
|
|
* @return
|
|
* - XST_SUCCESS if the self test example passed.
|
|
* - XST_FAILURE if the self test example was unsuccessful - the
|
|
* DisplayPort TX's registers do not match their default values
|
|
* or no DisplayPort TX instance was found.
|
|
*
|
|
* @note None.
|
|
*
|
|
*******************************************************************************/
|
|
int main(void)
|
|
{
|
|
u32 Status;
|
|
|
|
Status = Dptx_SelfTestExample(&DptxInstance, DPTX_DEVICE_ID);
|
|
if (Status != XST_SUCCESS) {
|
|
xil_printf("XDptx_SelfTest failed, check register values.\n");
|
|
return XST_FAILURE;
|
|
}
|
|
xil_printf("XDptx_SelfTest passed.\n");
|
|
return Status;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/**
|
|
* The main entry point for the selftest example using the XDptx driver. This
|
|
* function will check whether or not the DisplayPort TX's registers are at
|
|
* their default reset values to ensure that the core is in a known and working
|
|
* state.
|
|
*
|
|
* @param InstancePtr is a pointer to the XDptx instance.
|
|
* @param DeviceId is the unique device ID of the DisplayPort TX core
|
|
* instance.
|
|
*
|
|
* @return
|
|
* - XST_SUCCESS if the DisplayPort TX's registers are at their
|
|
* default reset values.
|
|
* - XST_FAILURE if the DisplayPort TX's registers do not match
|
|
* their default values or no DisplayPort TX instance was found.
|
|
*
|
|
* @note None.
|
|
*
|
|
*******************************************************************************/
|
|
u32 Dptx_SelfTestExample(XDptx *InstancePtr, u16 DeviceId)
|
|
{
|
|
u32 Status;
|
|
XDptx_Config *ConfigPtr;
|
|
|
|
/* Obtain the device configuration for the DisplayPort TX core. */
|
|
ConfigPtr = XDptx_LookupConfig(DeviceId);
|
|
if (!ConfigPtr) {
|
|
return XST_FAILURE;
|
|
}
|
|
/* Copy the device configuration into the InstancePtr's Config
|
|
* structure. */
|
|
XDptx_CfgInitialize(InstancePtr, ConfigPtr, ConfigPtr->BaseAddr);
|
|
|
|
/* Run the self test. */
|
|
Status = XDptx_SelfTest(InstancePtr);
|
|
return Status;
|
|
}
|