| /****************************************************************************** |
| * |
| * Copyright (C) 2010 - 2015 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 |
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| * 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 |
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| * SOFTWARE. |
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| * Except as contained in this notice, the name of the Xilinx shall not be used |
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| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /****************************************************************************/ |
| /** |
| * |
| * @file xdevcfg_selftest.c |
| * @addtogroup devcfg_v3_5 |
| * @{ |
| * |
| * Contains diagnostic self-test functions for the XDcfg driver. |
| * |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- --- -------- --------------------------------------------- |
| * 1.00a hvm 02/07/11 First release |
| * 2.02a nm 02/27/13 Fixed CR# 701348. |
| * Peripheral test fails with Running |
| * DcfgSelfTestExample() in SECURE bootmode. |
| * </pre> |
| * |
| ******************************************************************************/ |
| |
| /***************************** Include Files *********************************/ |
| |
| #include "xdevcfg.h" |
| |
| /************************** Constant Definitions *****************************/ |
| |
| /**************************** Type Definitions *******************************/ |
| |
| /***************** Macros (Inline Functions) Definitions *********************/ |
| |
| /************************** Function Prototypes ******************************/ |
| |
| /************************** Variable Definitions *****************************/ |
| |
| /****************************************************************************/ |
| /** |
| * |
| * Run a self-test on the Device Configuration Interface. This test does a |
| * control register write and reads back the same value. |
| * |
| * @param InstancePtr is a pointer to the XDcfg instance. |
| * |
| * @return |
| * - XST_SUCCESS if self-test was successful. |
| * - XST_FAILURE if fails. |
| * |
| * @note None. |
| * |
| ******************************************************************************/ |
| int XDcfg_SelfTest(XDcfg *InstancePtr) |
| { |
| u32 OldCfgReg; |
| u32 CfgReg; |
| int Status = XST_SUCCESS; |
| |
| /* |
| * Assert to ensure the inputs are valid and the instance has been |
| * initialized. |
| */ |
| Xil_AssertNonvoid(InstancePtr != NULL); |
| Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY); |
| |
| OldCfgReg = XDcfg_GetControlRegister(InstancePtr); |
| |
| XDcfg_SetControlRegister(InstancePtr, XDCFG_CTRL_NIDEN_MASK); |
| |
| CfgReg = XDcfg_GetControlRegister(InstancePtr); |
| |
| if ((CfgReg & XDCFG_CTRL_NIDEN_MASK) != XDCFG_CTRL_NIDEN_MASK) { |
| |
| Status = XST_FAILURE; |
| } |
| |
| /* |
| * Restore the original values of the register |
| */ |
| XDcfg_SetControlRegister(InstancePtr, OldCfgReg); |
| |
| return Status; |
| } |
| /** @} */ |