blob: b033d46b56eebeaeadc2a6b9ff288fe56cca83fc [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
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* 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.
*
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******************************************************************************/
/*****************************************************************************/
/**
*
* @file xzdma_sinit.c
* @addtogroup zdma_v1_5
* @{
*
* This file contains static initialization methods for Xilinx ZDMA core.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ------ -------- ------------------------------------------------------
* 1.0 vns 2/27/15 First release
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xzdma.h"
#include "xparameters.h"
/************************** Constant Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/**************************** Type Definitions *******************************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/************************** Function Definitions *****************************/
/*****************************************************************************/
/**
*
* XZDma_LookupConfig returns a reference to an XZDma_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 xzdma_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 xzdma_g.c) corresponding to <i>DeviceId</i>, or
* NULL if no match is found.
*
* @note None.
******************************************************************************/
XZDma_Config *XZDma_LookupConfig(u16 DeviceId)
{
extern XZDma_Config XZDma_ConfigTable[XPAR_XZDMA_NUM_INSTANCES];
XZDma_Config *CfgPtr = NULL;
u32 Index;
/* Checks all the instances */
for (Index = (u32)0x0; Index < (u32)(XPAR_XZDMA_NUM_INSTANCES);
Index++) {
if (XZDma_ConfigTable[Index].DeviceId == DeviceId) {
CfgPtr = &XZDma_ConfigTable[Index];
break;
}
}
return (XZDma_Config *)CfgPtr;
}
/** @} */