/********************************************************************************************
* arch/arm/src/kinetis/kinetis_wdog.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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_SRC_KINETIS_KINETIS_WDOG_H
#define __ARCH_ARM_SRC_KINETIS_KINETIS_WDOG_H
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/********************************************************************************************
* Pre-processor Definitions
********************************************************************************************/
/* Register Offsets *************************************************************************/
#define KINETIS_WDOG_STCTRLH_OFFSET 0x0000 /* Watchdog Status and Control Register High */
#define KINETIS_WDOG_STCTRLL_OFFSET 0x0002 /* Watchdog Status and Control Register Low */
#define KINETIS_WDOG_TOVALH_OFFSET 0x0004 /* Watchdog Time-out Value Register High */
#define KINETIS_WDOG_TOVALL_OFFSET 0x0006 /* Watchdog Time-out Value Register Low */
#define KINETIS_WDOG_WINH_OFFSET 0x0008 /* Watchdog Window Register High */
#define KINETIS_WDOG_WINL_OFFSET 0x000a /* Watchdog Window Register Low */
#define KINETIS_WDOG_REFRESH_OFFSET 0x000c /* Watchdog Refresh Register */
#define KINETIS_WDOG_UNLOCK_OFFSET 0x000e /* Watchdog Unlock Register */
#define KINETIS_WDOG_TMROUTH_OFFSET 0x0010 /* Watchdog Timer Output Register High */
#define KINETIS_WDOG_TMROUTL_OFFSET 0x0012 /* Watchdog Timer Output Register Low */
#define KINETIS_WDOG_RSTCNT_OFFSET 0x0014 /* Watchdog Reset Count Register */
#define KINETIS_WDOG_PRESC_OFFSET 0x0016 /* Watchdog Prescaler Register */
/* Register Addresses ***********************************************************************/
#define KINETIS_WDOG_STCTRLH (KINETIS_WDOG_BASE+KINETIS_WDOG_STCTRLH_OFFSET)
#define KINETIS_WDOG_STCTRLL (KINETIS_WDOG_BASE+KINETIS_WDOG_STCTRLL_OFFSET)
#define KINETIS_WDOG_TOVALH (KINETIS_WDOG_BASE+KINETIS_WDOG_TOVALH_OFFSET)
#define KINETIS_WDOG_TOVALL (KINETIS_WDOG_BASE+KINETIS_WDOG_TOVALL_OFFSET)
#define KINETIS_WDOG_WINH (KINETIS_WDOG_BASE+KINETIS_WDOG_WINH_OFFSET)
#define KINETIS_WDOG_WINL (KINETIS_WDOG_BASE+KINETIS_WDOG_WINL_OFFSET)
#define KINETIS_WDOG_REFRESH (KINETIS_WDOG_BASE+KINETIS_WDOG_REFRESH_OFFSET)
#define KINETIS_WDOG_UNLOCK (KINETIS_WDOG_BASE+KINETIS_WDOG_UNLOCK_OFFSET)
#define KINETIS_WDOG_TMROUTH (KINETIS_WDOG_BASE+KINETIS_WDOG_TMROUTH_OFFSET)
#define KINETIS_WDOG_TMROUTL (KINETIS_WDOG_BASE+KINETIS_WDOG_TMROUTL_OFFSET)
#define KINETIS_WDOG_RSTCNT (KINETIS_WDOG_BASE+KINETIS_WDOG_RSTCNT_OFFSET)
#define KINETIS_WDOG_PRESC (KINETIS_WDOG_BASE+KINETIS_WDOG_PRESC_OFFSET)
/* Register Bit Definitions *****************************************************************/
/* Watchdog Status and Control Register High (16-bit) */
#define WDOG_STCTRLH_WDOGEN (1 << 0) /* Bit 0: Enables or disables the WDOG�s operation */
#define WDOG_STCTRLH_CLKSRC (1 << 1) /* Bit 1: Selects clock source for the WDOG timer */
#define WDOG_STCTRLH_IRQRSTEN (1 << 2) /* Bit 2: Enable the debug breadcrumbs feature */
#define WDOG_STCTRLH_WINEN (1 << 3) /* Bit 3: Enable windowing mode */
#define WDOG_STCTRLH_ALLOWUPDATE (1 << 4) /* Bit 4: Enables updates to watchdog */
#define WDOG_STCTRLH_DBGEN (1 << 5) /* Bit 5: Enables or disables WDOG in Debug mode */
#define WDOG_STCTRLH_STOPEN (1 << 6) /* Bit 6: Enables or disables WDOG in stop mode */
#define WDOG_STCTRLH_WAITEN (1 << 7) /* Bit 7: Enables or disables WDOG in wait mode */
#define WDOG_STCTRLH_STNDBYEN (1 << 8) /* Bit 8: Enables or disables WDOG in Standby mode */
/* Bit 9: Reserved */
#define WDOG_STCTRLH_TESTWDOG (1 << 10) /* Bit 10: Selects functional test mode */
#define WDOG_STCTRLH_TESTSEL (1 << 11) /* Bit 11: Selects the test to be run */
#define WDOG_STCTRLH_BYTESEL_SHIFT (12) /* Bits 12-13: Selects the byte in test mode */
#define WDOG_STCTRLH_BYTESEL_MASK (3 << WDOG_STCTRLH_BYTESEL_SHIFT)
# define WDOG_STCTRLH_BYTESEL_BYTE0 (0 << WDOG_STCTRLH_BYTESEL_SHIFT) /* Byte 0 selected */
# define WDOG_STCTRLH_BYTESEL_BYTE1 (1 << WDOG_STCTRLH_BYTESEL_SHIFT) /* Byte 1 selected */
# define WDOG_STCTRLH_BYTESEL_BYTE2 (2 << WDOG_STCTRLH_BYTESEL_SHIFT) /* Byte 2 selected */
# define WDOG_STCTRLH_BYTESEL_BYTE3 (3 << WDOG_STCTRLH_BYTESEL_SHIFT) /* Byte 3 selected */
#define WDOG_STCTRLH_DISTESTWDOG (1 << 14) /* Bit 14: Disable WDOG�s functional test mode */
/* Bit 15: Reserved */
/* Watchdog Status and Control Register Low (16-bit) */
#define WDOG_STCTRLL_INTFLG (1 << 15) /* Bit 15: Interrupt flag */
/* Bits 0-14: Reserved */
/* Watchdog Time-out Value Register High/Low (16-bit timeout values) */
/* Watchdog Window Register High/Low (16-bit window values) */
/* Watchdog Refresh Register (16-bit, 0xa602 followed by 0xb480) */
/* Watchdog Unlock Register (16-bit, 0xc520 followed by 0xd928) */
/* Watchdog Timer Output Register High/Low (16-bit timer values) */
/* Watchdog Reset Count Register (16-bit reset count) */
/* Watchdog Prescaler Register (16-bit) */
/* Bits 0-7: Reserved */
#define WDOG_PRESC_PRESCVAL_SHIFT (8) /* Bits 8-10: Watchdog clock source prescaler */
#define WDOG_PRESC_PRESCVAL_MASK (7 << WDOG_PRESC_PRESCVAL_SHIFT)
/* Bits 11-15: Reserved */
/********************************************************************************************
* Public Types
********************************************************************************************/
/********************************************************************************************
* Public Data
********************************************************************************************/
/********************************************************************************************
* Public Functions
********************************************************************************************/
#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_WDOG_H */
