1 /******************************************************************************
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31 ******************************************************************************/
32 /*****************************************************************************/
37 * This file contains static initialization methods for Xilinx ZDMA core.
40 * MODIFICATION HISTORY:
42 * Ver Who Date Changes
43 * ----- ------ -------- ------------------------------------------------------
44 * 1.0 vns 2/27/15 First release
47 ******************************************************************************/
48 /***************************** Include Files *********************************/
51 #include "xparameters.h"
53 /************************** Constant Definitions *****************************/
56 /***************** Macros (Inline Functions) Definitions *********************/
59 /**************************** Type Definitions *******************************/
62 /************************** Function Prototypes ******************************/
65 /************************** Variable Definitions *****************************/
68 /************************** Function Definitions *****************************/
70 /*****************************************************************************/
73 * XZDma_LookupConfig returns a reference to an XZDma_Config structure
74 * based on the unique device id, <i>DeviceId</i>. The return value will refer
75 * to an entry in the device configuration table defined in the xzdma_g.c
78 * @param DeviceId is the unique device ID of the device for the lookup
81 * @return CfgPtr is a reference to a config record in the configuration
82 * table (in xzdma_g.c) corresponding to <i>DeviceId</i>, or
83 * NULL if no match is found.
86 ******************************************************************************/
87 XZDma_Config *XZDma_LookupConfig(u16 DeviceId)
89 extern XZDma_Config XZDma_ConfigTable[XPAR_XZDMA_NUM_INSTANCES];
90 XZDma_Config *CfgPtr = NULL;
93 /* Checks all the instances */
94 for (Index = (u32)0x0; Index < (u32)(XPAR_XZDMA_NUM_INSTANCES);
96 if (XZDma_ConfigTable[Index].DeviceId == DeviceId) {
97 CfgPtr = &XZDma_ConfigTable[Index];
102 return (XZDma_Config *)CfgPtr;