embeddedsw/XilinxProcessorIPLib/drivers/wdttb/src/xwdttb_l.h
Jagannadha Sutradharudu Teki 2c8f92039d embeddesw: Add initial code support
Added initial support Xilinx Embedded Software.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
2014-06-24 16:45:01 +05:30

153 lines
5.3 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 xwdttb_l.h
*
* This header file contains identifiers and basic driver functions (or
* macros) that can be used to access the device.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ---- -------- -----------------------------------------------
* 1.00b rpm 04/26/02 First release
* 1.10b mta 03/23/07 Updated to new coding style
* 2.00a ktn 22/10/09 The following macros defined in this file have been
* removed -
* XWdtTb_mEnableWdt, XWdtTb_mDisbleWdt, XWdtTb_mRestartWdt
* XWdtTb_mGetTimebaseReg and XWdtTb_mHasReset.
* Added the XWdtTb_ReadReg and XWdtTb_WriteReg
* macros. User should XWdtTb_ReadReg/XWdtTb_WriteReg to
* acheive the desired functioanality of the macros that
* were removed.
* </pre>
*
******************************************************************************/
#ifndef XWDTTB_L_H /* prevent circular inclusions */
#define XWDTTB_L_H /* by using protection macros */
#ifdef __cplusplus
extern "C" {
#endif
/***************************** Include Files *********************************/
#include "xil_types.h"
#include "xil_assert.h"
#include "xil_io.h"
/************************** Constant Definitions *****************************/
/** @name Register offsets for the Wdt device. Each register is 32 bits.
* @{
*/
#define XWT_TWCSR0_OFFSET 0x0 /**< Control/Status Register 0 Offset */
#define XWT_TWCSR1_OFFSET 0x4 /**< Control/Status Register 1 Offset */
#define XWT_TBR_OFFSET 0x8 /**< Timebase Register Offset */
/* @} */
/** @name Control/Status Register 0 bits
* @{
*/
#define XWT_CSR0_WRS_MASK 0x00000008 /**< Reset status Mask */
#define XWT_CSR0_WDS_MASK 0x00000004 /**< Timer state Mask */
#define XWT_CSR0_EWDT1_MASK 0x00000002 /**< Enable bit 1 Mask*/
/* @} */
/** @name Control/Status Register 0/1 bits
* @{
*/
#define XWT_CSRX_EWDT2_MASK 0x00000001 /**< Enable bit 2 Mask */
/* @} */
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
#define XWdtTb_In32 Xil_In32
#define XWdtTb_Out32 Xil_Out32
/****************************************************************************/
/**
*
* Read from the specified WdtTb device register.
*
* @param BaseAddress contains the base address of the device.
* @param RegOffset contains the offset from the 1st register of the
* device to select the specific register.
*
* @return The value read from the register.
*
* @note C-Style signature:
* u32 XWdtTb_ReadReg(u32 BaseAddress, u32 RegOffset);
*
******************************************************************************/
#define XWdtTb_ReadReg(BaseAddress, RegOffset) \
XWdtTb_In32((BaseAddress) + (RegOffset))
/***************************************************************************/
/**
*
* Write to the specified WdtTb device register.
*
* @param BaseAddress contains the base address of the device.
* @param RegOffset contains the offset from the 1st register of the
* device to select the specific register.
* @param RegisterValue is the value to be written to the register.
*
* @return None.
*
* @note C-Style signature:
* void XWdtTb_WriteReg(u32 BaseAddress, u32 RegOffset,
* u32 RegisterValue);
*
******************************************************************************/
#define XWdtTb_WriteReg(BaseAddress, RegOffset, RegisterValue) \
XWdtTb_Out32((BaseAddress) + (RegOffset), (RegisterValue))
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
#ifdef __cplusplus
}
#endif
#endif