Subversion Repositories 1g_ethernet_dpi

/******************************************************************************
*
* Copyright (C) 2010 - 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 xaxidma_sinit.c
* @addtogroup axidma_v9_0
* @{
*
* Look up the hardware settings using device ID. The hardware setting is inside
* the configuration table in xaxidma_g.c, generated automatically by XPS or
* manually by the user.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who  Date     Changes
* ----- ---- -------- -------------------------------------------------------
* 1.00a jz   08/16/10 First release
* 2.00a jz   08/10/10 Second release, added in xaxidma_g.c, xaxidma_sinit.c,
*                     updated tcl file, added xaxidma_porting_guide.h
* 3.00a jz   11/22/10 Support IP core parameters change
* 5.00a srt  08/29/11 Removed a compiler warning
*
* </pre>
*
******************************************************************************/
 
/***************************** Include Files *********************************/
 
#include "xparameters.h"
#include "xaxidma.h"
 
 
/*****************************************************************************/
/**
 * Look up the hardware configuration for a device instance
 *
 * @param	DeviceId is the unique device ID of the device to lookup for
 *
 * @return
 *		The configuration structure for the device. If the device ID is
 *		not found,a NULL pointer is returned.
 *
 * @note	None
 *
 ******************************************************************************/
XAxiDma_Config *XAxiDma_LookupConfig(u32 DeviceId)
{
	extern XAxiDma_Config XAxiDma_ConfigTable[];
	XAxiDma_Config *CfgPtr;
	u32 Index;
 
	CfgPtr = NULL;
 
	for (Index = 0; Index < XPAR_XAXIDMA_NUM_INSTANCES; Index++) {
		if (XAxiDma_ConfigTable[Index].DeviceId == DeviceId) {
 
			CfgPtr = &XAxiDma_ConfigTable[Index];
			break;
		}
	}
 
	return CfgPtr;
}
/** @} */