3a262416d6
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5146 42af7a65-404d-4744-a932-0658087f49c3
82 lines
3.8 KiB
C
82 lines
3.8 KiB
C
/************************************************************************************
|
|
* arch/arm/src/imx/imx_wdog.h
|
|
*
|
|
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
************************************************************************************/
|
|
|
|
#ifndef __ARCH_ARM_IMX_WDOG_H
|
|
#define __ARCH_ARM_IMX_WDOG_H
|
|
|
|
/************************************************************************************
|
|
* Included Files
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Definitions
|
|
************************************************************************************/
|
|
|
|
/* WDOG Register Offsets ************************************************************/
|
|
|
|
#define WDOG_WCR_OFFSET 0x0000 /* Watchdog Control Register */
|
|
#define WDOG_WSR_OFFSET 0x0004 /* Watchdog Service Register */
|
|
#define WDOG_WSTR_OFFSET 0x0008 /* Watchdog Status Register */
|
|
|
|
/* WDOG Register Addresses **********************************************************/
|
|
|
|
#define IMX_WDOG_WCR (IMX_WDOG_VBASE + WDOG_WCR_OFFSET)
|
|
#define IMX_WDOG_WSR (IMX_WDOG_VBASE + WDOG_WSR_OFFSET)
|
|
#define IMX_WDOG_WSTRT (IMX_WDOG_VBASE + WDOG_WSTR_OFFSET)
|
|
|
|
/* WDOG Register Bit Definitions ****************************************************/
|
|
|
|
/* Watchdog Control Register */
|
|
|
|
#define WDOG_WCR_WDE (1 << 0) /* Bit 0: Watchdog Enable */
|
|
#define WDOG_WCR_WDEC (1 << 1) /* Bit 1: Watchdog Enable Control */
|
|
#define WDOG_WCR_SWR (1 << 2) /* Bit 2: Software Reset Enable */
|
|
#define WDOG_WCR_TMD (1 << 3) /* Bit 3: Test Mode Enable */
|
|
#define WDOG_WCR_WIE (1 << 4) /* Bit 4: Watchdog Interrupt Enable */
|
|
#define WDOG_WCR_WT_SHIFT 8 /* Bit 8-14: Watchdog Timeout */
|
|
#define WDOG_WCR_WT_MASK (0x7f << WDOG_WCR_WT_SHIFT)
|
|
#define WDOG_WCR_WHALT (1 << 15) /* Bit 15: Watchdog Halt */
|
|
|
|
/* Watchdog Service Register */
|
|
|
|
#define WDOG_WSR_SHIFT 0 /* Bit 0-15: Watchdog Service Register */
|
|
#define WDOG_WT_MASK (0xffff << WDOG_WSR_SHIFT)
|
|
|
|
/************************************************************************************
|
|
* Inline Functions
|
|
************************************************************************************/
|
|
|
|
#endif /* __ARCH_ARM_IMX_WDOG_H */
|