blob: be962e298e7c8b3efcf4da2b53826e8e01ab65a5 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2014 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 xcsudma_sinit.c
* @addtogroup csudma_v1_2
* @{
*
* This file contains static initialization methods for Xilinx CSU_DMA core.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ------ -------- ---------------------------------------------------
* 1.0 vnsld 22/10/14 First release
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xcsudma.h"
#include "xparameters.h"
/************************** Constant Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/**************************** Type Definitions *******************************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/************************** Function Definitions *****************************/
/*****************************************************************************/
/**
*
* XCsuDma_LookupConfig returns a reference to an XCsuDma_Config structure
* based on the unique device id, <i>DeviceId</i>. The return value will refer
* to an entry in the device configuration table defined in the xcsudma_g.c
* file.
*
* @param DeviceId is the unique device ID of the device for the lookup
* operation.
*
* @return CfgPtr is a reference to a config record in the configuration
* table (in xcsudma_g.c) corresponding to <i>DeviceId</i>, or
* NULL if no match is found.
*
* @note None.
******************************************************************************/
XCsuDma_Config *XCsuDma_LookupConfig(u16 DeviceId)
{
extern XCsuDma_Config XCsuDma_ConfigTable[XPAR_XCSUDMA_NUM_INSTANCES];
XCsuDma_Config *CfgPtr = NULL;
u32 Index;
/* Checks all the instances */
for (Index = (u32)0x0; Index < (u32)(XPAR_XCSUDMA_NUM_INSTANCES);
Index++) {
if (XCsuDma_ConfigTable[Index].DeviceId == DeviceId) {
CfgPtr = &XCsuDma_ConfigTable[Index];
break;
}
}
return (XCsuDma_Config *)CfgPtr;
}
/** @} */