netbsd/sys/arch/arm/imx/imxwdogreg.h
2015-10-15 10:25:28 +02:00

93 lines
3.3 KiB
C

/*-
* Copyright (c) 2010 Genetec Corporation. All rights reserved.
* Written by Hiroyuki Bessho for Genetec Corporation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS
* 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.
*/
/*
* Watchdog register definitions for Freescale i.MX31/i.MX51/i.MX6
*
* MCIMX31 and MCIMX31L Application Processors
* Reference Manual
* MCIMC31RM
* Rev. 2.3
* 1/2007
*
* MCIMX51 Multimedia Applications Processor
* Reference Manual
* MCIMX51RM
* Rev. 1
* 2/2010
*
* i.MX 6Dual/6Quad Applications Processor
* Reference Manual
* IMX6DQRM
* Rev. 1
* 4/2013
*/
#ifndef _ARM_IMX_IMXWDOGREG_H
#define _ARM_IMX_IMXWDOGREG_H
#define IMX_WDOG_WCR 0x0000 /* Watchdog Control Register */
#define WCR_WDZST __BIT(0) /* watchdog low power */
#define WCR_WDBG __BIT(1) /* watchdog debug enable */
#define WCR_WDE __BIT(2) /* watchdog enable */
#define WCR_WDT __BIT(3) /* timeout assertion */
#define WCR_SRS __BIT(4) /* software reset signal */
#define WCR_WDA __BIT(5) /* ipp_wdog* assertion */
#define WCR_WDW __BIT(7) /* disable for wait */
#define WCR_WT __BITS(15, 8)
/* watchdog timeout
0=0.5sec 0xff=128sec */
#define IMX_WDOG_WSR 0x0002 /* Watchdog Service Register */
#define WSR_MAGIC1 0x5555 /* 1st word of service sequence */
#define WSR_MAGIC2 0xaaaa /* 2nd word of service sequence */
#define IMX_WDOG_WRSR 0x0004 /* Watchdog Reset Status Register */
#define WRSR_SFTW __BIT(0) /* reset is the result of a
* software reset */
#define WRSR_TOUT __BIT(1) /* reset is the result of a
* WDOG timeout */
/* only for i.MX31 */
#define WRSR_CMON __BIT(2)
#define WRSR_EXT __BIT(3)
#define WRSR_JRST __BIT(5)
/* i.MX31 and iMX6 */
#define WRSR_PWR __BIT(4)
/* only for i.MX51 and i.MX6 */
#define IMX_WDOG_WICR 0x0006 /* Watchdog Interrupt Control Register */
#define WICR_WICT __BITS(7,0) /* interrupt count timeout */
#define WICR_WTIS __BIT(14) /* interrupt status [w1c] */
#define WICR_WIE __BIT(15) /* interrupt enable */
/* only for i.MX51 and i.MX6 */
#define IMX_WDOG_WMCR 0x0008
#define WMCR_PDE __BIT(0) /* power down enable */
#endif /* _ARM_IMX_IMXWDOGREG_H */