698f4909b7
This patch updates the copy right information for the below drivers can canps spi trafgen srio uartlite uartns550 gpio llfifo emc and xilkernel bsp. Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com> Acked-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
107 lines
4.2 KiB
C
Executable file
107 lines
4.2 KiB
C
Executable file
/******************************************************************************
|
|
*
|
|
* Copyright (C) 2002 - 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 THE
|
|
* XILINX CONSORTIUM 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 xgpio_selftest.c
|
|
*
|
|
* The implementation of the XGpio driver's self test function.
|
|
* See xgpio.h for more information about the driver.
|
|
*
|
|
* @note
|
|
*
|
|
* None
|
|
*
|
|
* <pre>
|
|
* MODIFICATION HISTORY:
|
|
*
|
|
* Ver Who Date Changes
|
|
* ----- ---- -------- -----------------------------------------------
|
|
* 1.00a rmm 02/04/02 First release
|
|
* 2.00a jhl 01/13/04 Addition of dual channels and interrupts.
|
|
* 2.11a mta 03/21/07 Updated to new coding style
|
|
* 3.00a sv 11/21/09 Updated to use HAL Processor APIs.
|
|
* </pre>
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/***************************** Include Files ********************************/
|
|
#include "xgpio.h"
|
|
|
|
/************************** Constant Definitions ****************************/
|
|
|
|
/**************************** Type Definitions ******************************/
|
|
|
|
/***************** Macros (Inline Functions) Definitions ********************/
|
|
|
|
/************************** Variable Definitions ****************************/
|
|
|
|
/************************** Function Prototypes *****************************/
|
|
|
|
|
|
/******************************************************************************/
|
|
/**
|
|
* Run a self-test on the driver/device. This function does a minimal test
|
|
* in which the data register is read. It only does a read without any kind
|
|
* of test because the hardware has been parameterized such that it may be only
|
|
* an input such that the state of the inputs won't be known.
|
|
*
|
|
* All other hardware features of the device are not guaranteed to be in the
|
|
* hardware since they are parameterizable.
|
|
*
|
|
*
|
|
* @param InstancePtr is a pointer to the XGpio instance to be worked on.
|
|
* This parameter must have been previously initialized with
|
|
* XGpio_Initialize().
|
|
*
|
|
* @return XST_SUCCESS always. If the GPIO device was not present in the
|
|
* hardware a bus error could be generated. Other indicators of a
|
|
* bus error, such as registers in bridges or buses, may be
|
|
* necessary to determine if this function caused a bus error.
|
|
*
|
|
* @note None.
|
|
*
|
|
******************************************************************************/
|
|
int XGpio_SelfTest(XGpio * InstancePtr)
|
|
{
|
|
Xil_AssertNonvoid(InstancePtr != NULL);
|
|
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
|
|
|
|
/*
|
|
* Read from the data register of channel 1 which is always guaranteed
|
|
* to be in the hardware device. Since the data may be configured as
|
|
* all inputs, there is not way to guarantee the value read so don't
|
|
* test it.
|
|
*/
|
|
(void) XGpio_DiscreteRead(InstancePtr, 1);
|
|
|
|
return (XST_SUCCESS);
|
|
}
|