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/*****************************************************************************
*
* (c) Copyright 2009-2010 Xilinx, Inc. All rights reserved.
*
* This file contains confidential and proprietary information of Xilinx, Inc.
* and is protected under U.S. and international copyright and other
* intellectual property laws.
*
* DISCLAIMER
* This disclaimer is not a license and does not grant any rights to the
* materials distributed herewith. Except as otherwise provided in a valid
* license issued to you by Xilinx, and to the maximum extent permitted by
* applicable law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND WITH ALL
* FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS,
* IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
* MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE;
* and (2) Xilinx shall not be liable (whether in contract or tort, including
* negligence, or under any other theory of liability) for any loss or damage
* of any kind or nature related to, arising under or in connection with these
* materials, including for any direct, or any indirect, special, incidental,
* or consequential loss or damage (including loss of data, profits, goodwill,
* or any type of loss or damage suffered as a result of any action brought by
* a third party) even if such damage or loss was reasonably foreseeable or
* Xilinx had been advised of the possibility of the same.
*
* CRITICAL APPLICATIONS
* Xilinx products are not designed or intended to be fail-safe, or for use in
* any application requiring fail-safe performance, such as life-support or
* safety devices or systems, Class III medical devices, nuclear facilities,
* applications related to the deployment of airbags, or any other applications
* that could lead to death, personal injury, or severe property or
* environmental damage (individually and collectively, "Critical
* Applications"). Customer assumes the sole risk and liability of any use of
* Xilinx products in Critical Applications, subject only to applicable laws
* and regulations governing limitations on product liability.
*
* THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS PART OF THIS FILE
* AT ALL TIMES.
*
*****************************************************************************/
/****************************************************************************/
/**
*
* @file xdmaps_selftest.c
*
* This file contains the self-test functions for the XDmaPs driver.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ------ -------- -----------------------------------------------
* 1.00 hbm 03/29/2010 First Release
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xstatus.h"
#include "xdmaps.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 performs a local loopback and verifies data can be sent and received.
*
* The time for this test is proportional to the baud rate that has been set
* prior to calling this function.
*
* The mode and control registers are restored before return.
*
* @param InstPtr is a pointer to the XDmaPs instance
*
* @return
*
* - XST_SUCCESS if the test was successful
* - XST_FAILURE if the test failed
*
* @note
*
* This function can hang if the hardware is not functioning properly.
*
******************************************************************************/
int XDmaPs_SelfTest(XDmaPs *InstPtr)
{
u32 BaseAddr = InstPtr->Config.BaseAddress;
int i;
if (XDmaPs_ReadReg(BaseAddr, XDMAPS_DBGSTATUS_OFFSET)
& XDMAPS_DBGSTATUS_BUSY)
return XST_FAILURE;
for (i = 0; i < XDMAPS_CHANNELS_PER_DEV; i++) {
if (XDmaPs_ReadReg(BaseAddr,
XDmaPs_CSn_OFFSET(i)))
return XST_FAILURE;
}
return XST_SUCCESS;
}
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