| /****************************************************************************** |
| * |
| * Copyright (C) 2007 - 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 |
| * in the Software without restriction, including without limitation the rights |
| * 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. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of the Xilinx shall not be used |
| * in advertising or otherwise to promote the sale, use or other dealings in |
| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * |
| * @file xemaclite_sinit.c |
| * @addtogroup emaclite_v4_1 |
| * @{ |
| * |
| * This file contains the implementation of the XEmacLite driver's static |
| * initialization functionality. |
| * |
| * @note None. |
| * |
| * <pre> |
| * |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ---- -------- ----------------------------------------------- |
| * 1.12a sv 11/28/07 First release |
| * |
| * </pre> |
| * |
| ******************************************************************************/ |
| |
| /***************************** Include Files *********************************/ |
| |
| #include "xparameters.h" |
| #include "xemaclite.h" |
| |
| /************************** Constant Definitions *****************************/ |
| |
| /**************************** Type Definitions *******************************/ |
| |
| /***************** Macros (Inline Functions) Definitions *********************/ |
| |
| /************************** Function Prototypes ******************************/ |
| |
| /************************** Variable Definitions *****************************/ |
| extern XEmacLite_Config XEmacLite_ConfigTable[]; |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * Lookup the device configuration based on the unique device ID. The table |
| * XEmacLite_ConfigTable contains the configuration info for each device in the |
| * system. |
| * |
| * @param DeviceId is the unique device ID of the device being looked up. |
| * |
| * @return A pointer to the configuration table entry corresponding to the |
| * given device ID, or NULL if no match is found. |
| * |
| * @note None. |
| * |
| ******************************************************************************/ |
| XEmacLite_Config *XEmacLite_LookupConfig(u16 DeviceId) |
| { |
| XEmacLite_Config *CfgPtr = NULL; |
| u32 Index; |
| |
| for (Index = 0; Index < XPAR_XEMACLITE_NUM_INSTANCES; Index++) { |
| if (XEmacLite_ConfigTable[Index].DeviceId == DeviceId) { |
| CfgPtr = &XEmacLite_ConfigTable[Index]; |
| break; |
| } |
| } |
| |
| return CfgPtr; |
| } |
| |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * Initialize a specific XEmacLite instance/driver. The initialization entails: |
| * - Initialize fields of the XEmacLite instance structure. |
| * |
| * The driver defaults to polled mode operation. |
| * |
| * @param InstancePtr is a pointer to the XEmacLite instance. |
| * @param DeviceId is the unique id of the device controlled by this |
| * XEmacLite instance. Passing in a device id associates the |
| * generic XEmacLite instance to a specific device, as chosen by |
| * the caller or application developer. |
| * |
| * @return |
| * - XST_SUCCESS if initialization was successful. |
| * - XST_DEVICE_NOT_FOUND/XST_FAILURE if device configuration |
| * information was not found for a device with the supplied |
| * device ID. |
| * |
| * @note None |
| * |
| ******************************************************************************/ |
| int XEmacLite_Initialize(XEmacLite *InstancePtr, u16 DeviceId) |
| { |
| int Status; |
| XEmacLite_Config *EmacLiteConfigPtr;/* Pointer to Configuration data. */ |
| |
| /* |
| * Verify that each of the inputs are valid. |
| */ |
| Xil_AssertNonvoid(InstancePtr != NULL); |
| |
| /* |
| * Lookup the device configuration in the configuration table. Use this |
| * configuration info down below when initializing this driver. |
| */ |
| EmacLiteConfigPtr = XEmacLite_LookupConfig(DeviceId); |
| if (EmacLiteConfigPtr == NULL) { |
| return XST_DEVICE_NOT_FOUND; |
| } |
| |
| Status = XEmacLite_CfgInitialize(InstancePtr, |
| EmacLiteConfigPtr, |
| EmacLiteConfigPtr->BaseAddress); |
| if (Status != XST_SUCCESS) { |
| return XST_FAILURE; |
| } |
| |
| return XST_SUCCESS; |
| } |
| |
| |
| /** @} */ |