1 | /*- |
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2 | * Copyright (c) 2012, 2013 The FreeBSD Foundation |
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3 | * All rights reserved. |
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4 | * |
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5 | * This software was developed by Oleksandr Rybalko under sponsorship |
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6 | * from the FreeBSD Foundation. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 | * SUCH DAMAGE. |
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28 | * |
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29 | * $FreeBSD: head/sys/arm/freescale/imx/imx_wdogreg.h 291367 2015-11-26 17:26:52Z ian $ |
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30 | */ |
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31 | |
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32 | #define WDOG_CLK_FREQ 32768 |
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33 | |
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34 | #define WDOG_CR_REG 0x00 /* Control Register */ |
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35 | #define WDOG_CR_WT_MASK 0xff00 /* Count of 0.5 sec */ |
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36 | #define WDOG_CR_WT_SHIFT 8 |
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37 | #define WDOG_CR_WDW (1 << 7) /* Suspend WDog */ |
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38 | #define WDOG_CR_WDA (1 << 5) /* Don't touch ipp_wdog */ |
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39 | #define WDOG_CR_SRS (1 << 4) /* Don't touch sys_reset */ |
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40 | #define WDOG_CR_WDT (1 << 3) /* Assert ipp_wdog on tout */ |
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41 | #define WDOG_CR_WDE (1 << 2) /* WDog Enable */ |
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42 | #define WDOG_CR_WDBG (1 << 1) /* Suspend when DBG mode */ |
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43 | #define WDOG_CR_WDZST (1 << 0) /* Suspend when LP mode */ |
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44 | |
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45 | #define WDOG_SR_REG 0x02 /* Service Register */ |
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46 | #define WDOG_SR_STEP1 0x5555 |
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47 | #define WDOG_SR_STEP2 0xaaaa |
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48 | |
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49 | #define WDOG_RSR_REG 0x04 /* Reset Status Register */ |
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50 | #define WDOG_RSR_POR (1 << 4) /* Due to Power-On Reset */ |
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51 | #define WDOG_RSR_TOUT (1 << 1) /* Due WDog timeout reset */ |
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52 | #define WDOG_RSR_SFTW (1 << 0) /* Due Soft reset */ |
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53 | |
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54 | #define WDOG_ICR_REG 0x06 /* Interrupt Control Register */ |
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55 | #define WDOG_ICR_WIE (1 << 15) /* Enable Interrupt */ |
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56 | #define WDOG_ICR_WTIS (1 << 14) /* Interrupt has occurred */ |
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57 | #define WDOG_ICR_WTCT_MASK 0x00ff |
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58 | #define WDOG_ICR_WTCT_SHIFT 0 /* Interrupt hold time */ |
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59 | |
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60 | #define WDOG_MCR_REG 0x08 /* Miscellaneous Control Register */ |
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61 | #define WDOG_MCR_PDE (1 << 0) |
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62 | |
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