dde2a43ce3
This patch modifies the axi dma and axi vdma driver to add the sefltest api to the driver source files and call this from the selftest example's. Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2015 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 xaxivdma_selftest.c
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*
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* Contains diagnostic/self-test functions for the XAxiVdma component.
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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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* 5.1 adk 29/01/15 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 "xil_io.h"
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#include "xaxivdma.h"
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/************************** Constant Definitions *****************************/
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#define XAXIVDMA_RESET_TIMEOUT 500
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Function Prototypes ******************************/
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/************************** Variable Definitions *****************************/
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/*****************************************************************************/
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/**
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*
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* Runs a self-test on the driver/device. This test perform a
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* reset of the VDMA device and checks the device is coming out of reset or not
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*
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* @param InstancePtr is a pointer to the XAxiVdma instance.
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*
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* @return
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* - XST_SUCCESS if self-test was successful
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* - XST_FAILURE if the device is not coming out of reset.
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*
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* @note
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* None.
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*
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******************************************************************************/
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int XAxiVdma_Selftest(XAxiVdma * InstancePtr)
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{
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XAxiVdma_Channel *RdChannel;
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XAxiVdma_Channel *WrChannel;
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int Polls;
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Xil_AssertNonvoid(InstancePtr != NULL);
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RdChannel = XAxiVdma_GetChannel(InstancePtr, XAXIVDMA_READ);
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WrChannel = XAxiVdma_GetChannel(InstancePtr, XAXIVDMA_WRITE);
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if (InstancePtr->HasMm2S) {
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RdChannel->ChanBase = InstancePtr->BaseAddr + XAXIVDMA_TX_OFFSET;
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RdChannel->InstanceBase = InstancePtr->BaseAddr;
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XAxiVdma_ChannelReset(RdChannel);
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Polls = XAXIVDMA_RESET_TIMEOUT;
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while (Polls && XAxiVdma_ChannelResetNotDone(RdChannel)) {
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Polls -= 1;
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}
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if (!Polls) {
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return XST_FAILURE;
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}
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}
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if (InstancePtr->HasS2Mm) {
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WrChannel->ChanBase = InstancePtr->BaseAddr + XAXIVDMA_RX_OFFSET;
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WrChannel->InstanceBase = InstancePtr->BaseAddr;
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XAxiVdma_ChannelReset(WrChannel);
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Polls = XAXIVDMA_RESET_TIMEOUT;
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while (Polls && XAxiVdma_ChannelResetNotDone(WrChannel)) {
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Polls -= 1;
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}
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if (!Polls) {
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return XST_FAILURE;
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}
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}
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return XST_SUCCESS;
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}
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