1*a2c472e7SAleksandr Rybalko /*- 2*a2c472e7SAleksandr Rybalko * Copyright (c) 2012 The FreeBSD Foundation 3*a2c472e7SAleksandr Rybalko * All rights reserved. 4*a2c472e7SAleksandr Rybalko * 5*a2c472e7SAleksandr Rybalko * This software was developed by Oleksandr Rybalko under sponsorship 6*a2c472e7SAleksandr Rybalko * from the FreeBSD Foundation. 7*a2c472e7SAleksandr Rybalko * 8*a2c472e7SAleksandr Rybalko * Redistribution and use in source and binary forms, with or without 9*a2c472e7SAleksandr Rybalko * modification, are permitted provided that the following conditions 10*a2c472e7SAleksandr Rybalko * are met: 11*a2c472e7SAleksandr Rybalko * 1. Redistributions of source code must retain the above copyright 12*a2c472e7SAleksandr Rybalko * notice, this list of conditions and the following disclaimer. 13*a2c472e7SAleksandr Rybalko * 2. Redistributions in binary form must reproduce the above copyright 14*a2c472e7SAleksandr Rybalko * notice, this list of conditions and the following disclaimer in the 15*a2c472e7SAleksandr Rybalko * documentation and/or other materials provided with the distribution. 16*a2c472e7SAleksandr Rybalko * 17*a2c472e7SAleksandr Rybalko * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*a2c472e7SAleksandr Rybalko * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*a2c472e7SAleksandr Rybalko * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*a2c472e7SAleksandr Rybalko * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*a2c472e7SAleksandr Rybalko * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*a2c472e7SAleksandr Rybalko * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*a2c472e7SAleksandr Rybalko * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*a2c472e7SAleksandr Rybalko * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*a2c472e7SAleksandr Rybalko * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*a2c472e7SAleksandr Rybalko * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*a2c472e7SAleksandr Rybalko * SUCH DAMAGE. 28*a2c472e7SAleksandr Rybalko * 29*a2c472e7SAleksandr Rybalko * $FreeBSD$ 30*a2c472e7SAleksandr Rybalko */ 31*a2c472e7SAleksandr Rybalko 32*a2c472e7SAleksandr Rybalko #define WDOG_CLK_FREQ 32768 33*a2c472e7SAleksandr Rybalko 34*a2c472e7SAleksandr Rybalko #define WDOG_CR_REG 0x00 /* Control Register */ 35*a2c472e7SAleksandr Rybalko #define WDOG_CR_WT_MASK 0xff00 /* Count of 0.5 sec */ 36*a2c472e7SAleksandr Rybalko #define WDOG_CR_WT_SHIFT 8 37*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDW (1 << 7) /* Suspend WDog */ 38*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDA (1 << 5) /* Don't touch ipp_wdog */ 39*a2c472e7SAleksandr Rybalko #define WDOG_CR_SRS (1 << 4) /* Don't touch sys_reset */ 40*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDT (1 << 3) /* Assert ipp_wdog on tout */ 41*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDE (1 << 2) /* WDog Enable */ 42*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDBG (1 << 1) /* Suspend when DBG mode */ 43*a2c472e7SAleksandr Rybalko #define WDOG_CR_WDZST (1 << 0) /* Suspend when LP mode */ 44*a2c472e7SAleksandr Rybalko 45*a2c472e7SAleksandr Rybalko #define WDOG_SR_REG 0x02 /* Service Register */ 46*a2c472e7SAleksandr Rybalko #define WDOG_SR_STEP1 0x5555 47*a2c472e7SAleksandr Rybalko #define WDOG_SR_STEP2 0xaaaa 48*a2c472e7SAleksandr Rybalko 49*a2c472e7SAleksandr Rybalko #define WDOG_RSR_REG 0x04 /* Reset Status Register */ 50*a2c472e7SAleksandr Rybalko #define WDOG_RSR_TOUT (1 << 1) /* Due WDog timeout reset */ 51*a2c472e7SAleksandr Rybalko #define WDOG_RSR_SFTW (1 << 0) /* Due Soft reset */ 52*a2c472e7SAleksandr Rybalko 53*a2c472e7SAleksandr Rybalko #define WDOG_ICR_REG 0x06 /* Interrupt Control Register */ 54*a2c472e7SAleksandr Rybalko #define WDOG_ICR_WIE (1 << 15) /* Enable Interrupt */ 55*a2c472e7SAleksandr Rybalko #define WDOG_ICR_WTIS (1 << 14) /* Interrupt has occurred */ 56*a2c472e7SAleksandr Rybalko #define WDOG_ICR_WTCT_MASK 0x00ff 57*a2c472e7SAleksandr Rybalko #define WDOG_ICR_WTCT_SHIFT 0 /* Interrupt hold time */ 58*a2c472e7SAleksandr Rybalko 59*a2c472e7SAleksandr Rybalko #define WDOG_MCR_REG 0x08 /* Miscellaneous Control Register */ 60*a2c472e7SAleksandr Rybalko #define WDOG_MCR_PDE (1 << 0) 61*a2c472e7SAleksandr Rybalko 62*a2c472e7SAleksandr Rybalko #define READ(_sc, _r) \ 63*a2c472e7SAleksandr Rybalko bus_space_read_2((_sc)->sc_bst, (_sc)->sc_bsh, (_r)) 64*a2c472e7SAleksandr Rybalko #define WRITE(_sc, _r, _v) \ 65*a2c472e7SAleksandr Rybalko bus_space_write_2((_sc)->sc_bst, (_sc)->sc_bsh, (_r), (_v)) 66