| /****************************************************************************** |
| * |
| * Copyright (C) 2009 - 2015 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 |
| * XILINX 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 xdmaps_selftest.c |
| * @addtogroup dmaps_v2_3 |
| * @{ |
| * |
| * 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; |
| } |
| /** @} */ |