2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
107 lines
3.7 KiB
C
Executable file
107 lines
3.7 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2009 - 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 xdmaps_selftest.c
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*
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* This file contains the self-test functions for the XDmaPs driver.
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*
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* <pre>
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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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* 1.00 hbm 03/29/2010 First Release
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xstatus.h"
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#include "xdmaps.h"
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/************************** Constant Definitions *****************************/
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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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* This function runs a self-test on the driver and hardware device. This self
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* test performs a local loopback and verifies data can be sent and received.
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*
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* The time for this test is proportional to the baud rate that has been set
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* prior to calling this function.
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*
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* The mode and control registers are restored before return.
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*
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* @param InstPtr is a pointer to the XDmaPs instance
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*
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* @return
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*
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* - XST_SUCCESS if the test was successful
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* - XST_FAILURE if the test failed
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*
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* @note
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*
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* This function can hang if the hardware is not functioning properly.
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*
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******************************************************************************/
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int XDmaPs_SelfTest(XDmaPs *InstPtr)
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{
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u32 BaseAddr = InstPtr->Config.BaseAddress;
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int i;
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if (XDmaPs_ReadReg(BaseAddr, XDMAPS_DBGSTATUS_OFFSET)
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& XDMAPS_DBGSTATUS_BUSY)
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return XST_FAILURE;
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for (i = 0; i < XDMAPS_CHANNELS_PER_DEV; i++) {
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if (XDmaPs_ReadReg(BaseAddr,
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XDmaPs_CSn_OFFSET(i)))
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return XST_FAILURE;
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}
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return XST_SUCCESS;
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}
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