diff options
Diffstat (limited to 'bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h')
| -rw-r--r-- | bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h b/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h new file mode 100644 index 0000000000..e26dfb2cc3 --- /dev/null +++ b/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 2012, 2013 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Oleksandr Rybalko under sponsorship + * from the FreeBSD Foundation. + * + * 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD: head/sys/arm/freescale/imx/imx_wdogreg.h 291367 2015-11-26 17:26:52Z ian $ + */ + +#define WDOG_CLK_FREQ 32768 + +#define WDOG_CR_REG 0x00 /* Control Register */ +#define WDOG_CR_WT_MASK 0xff00 /* Count of 0.5 sec */ +#define WDOG_CR_WT_SHIFT 8 +#define WDOG_CR_WDW (1 << 7) /* Suspend WDog */ +#define WDOG_CR_WDA (1 << 5) /* Don't touch ipp_wdog */ +#define WDOG_CR_SRS (1 << 4) /* Don't touch sys_reset */ +#define WDOG_CR_WDT (1 << 3) /* Assert ipp_wdog on tout */ +#define WDOG_CR_WDE (1 << 2) /* WDog Enable */ +#define WDOG_CR_WDBG (1 << 1) /* Suspend when DBG mode */ +#define WDOG_CR_WDZST (1 << 0) /* Suspend when LP mode */ + +#define WDOG_SR_REG 0x02 /* Service Register */ +#define WDOG_SR_STEP1 0x5555 +#define WDOG_SR_STEP2 0xaaaa + +#define WDOG_RSR_REG 0x04 /* Reset Status Register */ +#define WDOG_RSR_POR (1 << 4) /* Due to Power-On Reset */ +#define WDOG_RSR_TOUT (1 << 1) /* Due WDog timeout reset */ +#define WDOG_RSR_SFTW (1 << 0) /* Due Soft reset */ + +#define WDOG_ICR_REG 0x06 /* Interrupt Control Register */ +#define WDOG_ICR_WIE (1 << 15) /* Enable Interrupt */ +#define WDOG_ICR_WTIS (1 << 14) /* Interrupt has occurred */ +#define WDOG_ICR_WTCT_MASK 0x00ff +#define WDOG_ICR_WTCT_SHIFT 0 /* Interrupt hold time */ + +#define WDOG_MCR_REG 0x08 /* Miscellaneous Control Register */ +#define WDOG_MCR_PDE (1 << 0) + |