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41 /*****************************************************************************/
44 * @file xgpiops_sinit.c
46 * This file contains the implementation of the XGpioPs driver's static
47 * initialization functionality.
53 * MODIFICATION HISTORY:
55 * Ver Who Date Changes
56 * ----- ---- -------- -----------------------------------------------
57 * 1.00a sv 01/15/10 First Release
60 ******************************************************************************/
62 /***************************** Include Files *********************************/
64 #include "xparameters.h"
67 /************************** Constant Definitions *****************************/
69 /**************************** Type Definitions *******************************/
71 /***************** Macros (Inline Functions) Definitions *********************/
73 /************************** Function Prototypes ******************************/
75 /************************** Variable Definitions *****************************/
76 extern XGpioPs_Config XGpioPs_ConfigTable[];
78 /*****************************************************************************/
81 * This function looks for the device configuration based on the unique device
82 * ID. The table XGpioPs_ConfigTable[] contains the configuration information
83 * for each device in the system.
85 * @param DeviceId is the unique device ID of the device being looked up.
87 * @return A pointer to the configuration table entry corresponding to the
88 * given device ID, or NULL if no match is found.
92 ******************************************************************************/
93 XGpioPs_Config *XGpioPs_LookupConfig(u16 DeviceId)
95 XGpioPs_Config *CfgPtr = NULL;
98 for (Index = 0; Index < XPAR_XGPIOPS_NUM_INSTANCES; Index++) {
99 if (XGpioPs_ConfigTable[Index].DeviceId == DeviceId) {
100 CfgPtr = &XGpioPs_ConfigTable[Index];