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33 /*****************************************************************************/
36 * @file xcsudma_sinit.c
38 * This file contains static initialization methods for Xilinx CSU_DMA core.
41 * MODIFICATION HISTORY:
43 * Ver Who Date Changes
44 * ----- ------ -------- ---------------------------------------------------
45 * 1.0 vnsld 22/10/14 First release
48 ******************************************************************************/
50 /***************************** Include Files *********************************/
53 #include "xparameters.h"
55 /************************** Constant Definitions *****************************/
57 /***************** Macros (Inline Functions) Definitions *********************/
60 /**************************** Type Definitions *******************************/
63 /************************** Function Prototypes ******************************/
66 /************************** Variable Definitions *****************************/
69 /************************** Function Definitions *****************************/
71 /*****************************************************************************/
74 * XCsuDma_LookupConfig returns a reference to an XCsuDma_Config structure
75 * based on the unique device id, <i>DeviceId</i>. The return value will refer
76 * to an entry in the device configuration table defined in the xcsudma_g.c
79 * @param DeviceId is the unique device ID of the device for the lookup
82 * @return CfgPtr is a reference to a config record in the configuration
83 * table (in xcsudma_g.c) corresponding to <i>DeviceId</i>, or
84 * NULL if no match is found.
87 ******************************************************************************/
88 XCsuDma_Config *XCsuDma_LookupConfig(u16 DeviceId)
90 extern XCsuDma_Config XCsuDma_ConfigTable[XPAR_XCSUDMA_NUM_INSTANCES];
91 XCsuDma_Config *CfgPtr = NULL;
94 /* Checks all the instances */
95 for (Index = (u32)0x0; Index < (u32)(XPAR_XCSUDMA_NUM_INSTANCES);
97 if (XCsuDma_ConfigTable[Index].DeviceId == DeviceId) {
98 CfgPtr = &XCsuDma_ConfigTable[Index];
103 return (XCsuDma_Config *)CfgPtr;