1 /* $Id: xemacps_sinit.c,v 1.1.2.1 2011/01/20 03:39:02 sadanan Exp $ */
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33 /*****************************************************************************/
36 * @file xemacps_sinit.c
37 * @addtogroup emacps_v2_0
40 * This file contains lookup method by device ID when success, it returns
41 * pointer to config table to be used to initialize the device.
44 * MODIFICATION HISTORY:
46 * Ver Who Date Changes
47 * ----- ---- -------- -------------------------------------------------------
48 * 1.00a wsy 01/10/10 New
51 ******************************************************************************/
53 /***************************** Include Files *********************************/
55 #include "xparameters.h"
58 /************************** Constant Definitions *****************************/
61 /**************************** Type Definitions *******************************/
64 /***************** Macros (Inline Functions) Definitions *********************/
67 /************************** Function Prototypes ******************************/
69 /*****************************************************************************/
71 * Lookup the device configuration based on the unique device ID. The table
72 * contains the configuration info for each device in the system.
74 * @param DeviceId is the unique device ID of the device being looked up.
77 * A pointer to the configuration table entry corresponding to the given
78 * device ID, or NULL if no match is found.
80 ******************************************************************************/
81 XEmacPs_Config *XEmacPs_LookupConfig(u16 DeviceId)
83 extern XEmacPs_Config XEmacPs_ConfigTable[];
84 XEmacPs_Config *CfgPtr = NULL;
87 for (i = 0; i < XPAR_XEMACPS_NUM_INSTANCES; i++) {
88 if (XEmacPs_ConfigTable[i].DeviceId == DeviceId) {
89 CfgPtr = &XEmacPs_ConfigTable[i];