mk48txx(4): remove obsolete driver
It's no longer used since 58aa35d429
and r357455 respectively.
This commit is contained in:
Marius Strobl
parent
d141239c56
commit
9cca83b6db
@ -36,6 +36,9 @@
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# xargs -n1 | sort | uniq -d;
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# xargs -n1 | sort | uniq -d;
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# done
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# done
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# 20201224: mk48txx(4) removed
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OLD_FILES+=usr/share/man/man4/mk48txx.4.gz
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# 20201215: in-tree gdb removed
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# 20201215: in-tree gdb removed
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OLD_FILES+=usr/libexec/gdb
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OLD_FILES+=usr/libexec/gdb
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OLD_FILES+=usr/libexec/kgdb
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OLD_FILES+=usr/libexec/kgdb
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@ -286,7 +286,6 @@ MAN= aac.4 \
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meteor.4 \
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meteor.4 \
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mfi.4 \
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mfi.4 \
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miibus.4 \
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miibus.4 \
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mk48txx.4 \
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mld.4 \
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mld.4 \
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mlx.4 \
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mlx.4 \
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mlx4en.4 \
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mlx4en.4 \
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@ -1,225 +0,0 @@
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.\" $NetBSD: mk48txx.4,v 1.16 2009/04/10 17:14:07 joerg Exp $
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.\"
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.\" Copyright (c) 2000, 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Paul Kranenburg.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 25, 2009
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.Dt MK48TXX 4
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.Os
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.Sh NAME
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.Nm mk48txx
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.Nd
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.Tn Mostek
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time-of-day clock driver
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.Sh SYNOPSIS
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.In sys/eventhandler.h
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.In sys/lock.h
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.In sys/mutex.h
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.In dev/mk48txx/mk48txxvar.h
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.Pp
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To compile this driver into the kernel,
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place the following line in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device mk48txx"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver is a back-end for several models of
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.Tn Mostek
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time-of-day clock chips.
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It provides access methods to retrieve and set date and time for use with the
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.Dq Li clock
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KOBJ interface.
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.Pp
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To tie an instance of this device to the system, use the
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.Fn mk48txx_attach
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function and the mk48txx_softc structure defined as follows:
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.Pp
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.Ft "int"
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.Fn mk48txx_attach "device_t dev"
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.Bd -literal
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typedef uint8_t (*mk48txx_nvrd_t)(device_t dev, int off);
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typedef void (*mk48txx_nvwr_t)(device_t dev, int off, uint8_t v);
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.Ed
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.Bd -literal
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struct mk48txx_softc {
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struct resource sc_res;
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struct mtx sc_mtx;
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eventhandler_tag sc_wet;
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const char *sc_model;
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bus_size_t sc_nvramsz;
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bus_size_t sc_clkoffset;
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u_int sc_year0;
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u_int sc_flag;
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mk48txx_nvrd_t sc_nvrd;
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mk48txx_nvwr_t sc_nvwr;
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};
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.Ed
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.Bl -tag -width indent
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.It Fa sc_res
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The bus resource used for accessing the chip's non-volatile memory
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.Pq including the clock registers ,
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which must be supplied by the front-end when using the default access methods
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.Pq see below .
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Otherwise this member is optional.
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.It Fa sc_mtx
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The hardware mutex used when accessing the chip's non-volatile memory
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.Pq including the clock registers ,
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which must be initialized with
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.Dv MTX_DEF
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by the front-end.
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.It Fa sc_wet
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The event handler tag for the watchdog functionality,
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which is registered by the
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.Fn mk48txx_attach
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function if supported by the chip and specified as part of the
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machine-dependent features
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.Pq see below .
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.It Fa sc_model
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The chip model which this instance should serve.
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This member must be set to one of
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.Dq mk48t02 ,
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.Dq mk48t08 ,
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.Dq mk48t18 ,
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or
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.Dq mk48t59
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by the front-end.
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.It Fa sc_nvramsz
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The size of the non-volatile RAM in the
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.Tn Mostek
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chip,
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which is set by the
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.Fn mk48txx_attach
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function.
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.It Fa sc_clkoffset
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The offset into the control registers of the
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.Tn Mostek
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chip,
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which is set by the
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.Fn mk48txx_attach
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function.
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.It Fa sc_year0
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The year offset to be used with the
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.Sq year
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counter of the clock,
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which must be set by the front-end.
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This value is generally dependent on the system configuration in which
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the clock device is mounted.
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For instance, on
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.Tn Sun Microsystems
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machines the convention is to have clock's two-digit year represent
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the year since 1968.
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.It Fa sc_flag
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This flag is used to specify machine-dependent features.
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The following flags are supported:
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.Bl -tag -width ".Dv MK48TXX_WDOG_ENABLE_WDS"
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.It Dv MK48TXX_NO_CENT_ADJUST
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If the resulting date retrieved with the
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.Dq Li clock_gettime() method
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would be earlier than January 1, 1970,
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the driver will assume that the chip's year counter actually represents a
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year in the 21st century.
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This behavior can be overridden by setting this flag,
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which causes the
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.Nm
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driver to respect the clock's century bit instead.
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.It Dv MK48TXX_WDOG_REGISTER
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When this flag is set,
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the
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.Nm
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driver will register as a watchdog via the interface defined in
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.Xr watchdog 9
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if supported by the specific chip model.
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.It Dv MK48TXX_WDOG_ENABLE_WDS
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When this flag is set,
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the
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.Nm
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driver will set the watchdog steering
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.Pq WDS
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bit when enabling the watchdog functionality of the chip.
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enabled
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.Pq see the chip documentation for further information regarding the WDS bit .
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.El
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.It Fa sc_nvread
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.It Fa sc_nvwrite
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These members specify the access methods for reading respectively writing
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clock device registers.
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The default,
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when
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.Dv NULL
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is passed as an access method,
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is to access the chip memory
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.Pq and clock registers
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as if they were direct-mapped using the specified bus resource.
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.Pp
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Otherwise, the driver will call the respective function supplied by the
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front-end to perform the access,
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passing it the offset
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.Va off
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of the chip memory
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.Pq or clock register
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location to be read from or written to, respectively.
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.El
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.Sh HARDWARE
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The following models are supported:
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.Pp
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.Bl -tag -width indent -offset indent -compact
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.It Tn Mostek MK48T02
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.It Tn Mostek MK48T08
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.It Tn Mostek MK48T18
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.It Tn Mostek MK48T59
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.El
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr watchdog 9
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.Sh HISTORY
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The
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.Nm mk48txx
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driver appeared in
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.Nx 1.5 .
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The first
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.Fx
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version to include it was
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.Fx 5.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written for
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.Nx
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by
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.An Paul Kranenburg Aq Mt pk@NetBSD.org .
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It was ported to
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.Fx
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by
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.An Thomas Moestl Aq Mt tmm@FreeBSD.org
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and later on improved by
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.An Marius Strobl Aq Mt marius@FreeBSD.org .
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@ -2439,7 +2439,6 @@ dev/mii/ukphy.c optional miibus | mii
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dev/mii/ukphy_subr.c optional miibus | mii
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dev/mii/ukphy_subr.c optional miibus | mii
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dev/mii/vscphy.c optional miibus | vscphy
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dev/mii/vscphy.c optional miibus | vscphy
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dev/mii/xmphy.c optional miibus | xmphy
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dev/mii/xmphy.c optional miibus | xmphy
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dev/mk48txx/mk48txx.c optional mk48txx
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dev/mlxfw/mlxfw_fsm.c optional mlxfw \
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dev/mlxfw/mlxfw_fsm.c optional mlxfw \
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compile-with "${MLXFW_C}"
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compile-with "${MLXFW_C}"
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dev/mlxfw/mlxfw_mfa2.c optional mlxfw \
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dev/mlxfw/mlxfw_mfa2.c optional mlxfw \
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@ -1,332 +0,0 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: mk48txx.c,v 1.25 2008/04/28 20:23:50 martin Exp $
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Mostek MK48T02, MK48T08, MK48T18, MK48T37 and MK48T59 time-of-day chip
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* subroutines
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/clock.h>
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#include <sys/eventhandler.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/rman.h>
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#include <sys/watchdog.h>
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#include <machine/bus.h>
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#include <dev/mk48txx/mk48txxreg.h>
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#include <dev/mk48txx/mk48txxvar.h>
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#include "clock_if.h"
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static uint8_t mk48txx_def_nvrd(device_t dev, int off);
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static void mk48txx_def_nvwr(device_t dev, int off, uint8_t v);
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static void mk48txx_watchdog(void *arg, u_int cmd, int *error);
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static const struct {
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const char *name;
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bus_size_t nvramsz;
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bus_size_t clkoff;
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u_int flags;
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#define MK48TXX_EXT_REGISTERS 1 /* Has extended register set. */
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} mk48txx_models[] = {
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{ "mk48t02", MK48T02_CLKSZ, MK48T02_CLKOFF, 0 },
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{ "mk48t08", MK48T08_CLKSZ, MK48T08_CLKOFF, 0 },
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{ "mk48t18", MK48T18_CLKSZ, MK48T18_CLKOFF, 0 },
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{ "mk48t37", MK48T37_CLKSZ, MK48T37_CLKOFF, MK48TXX_EXT_REGISTERS },
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{ "mk48t59", MK48T59_CLKSZ, MK48T59_CLKOFF, MK48TXX_EXT_REGISTERS },
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};
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int
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mk48txx_attach(device_t dev)
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{
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struct mk48txx_softc *sc;
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int i;
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uint8_t wday;
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sc = device_get_softc(dev);
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if (mtx_initialized(&sc->sc_mtx) == 0) {
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device_printf(dev, "%s: mutex not initialized\n", __func__);
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return (ENXIO);
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}
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device_printf(dev, "model %s", sc->sc_model);
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i = sizeof(mk48txx_models) / sizeof(mk48txx_models[0]);
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while (--i >= 0) {
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if (strcmp(sc->sc_model, mk48txx_models[i].name) == 0) {
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break;
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}
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}
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if (i < 0) {
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device_printf(dev, " (unsupported)\n");
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return (ENXIO);
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}
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printf("\n");
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sc->sc_nvramsz = mk48txx_models[i].nvramsz;
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sc->sc_clkoffset = mk48txx_models[i].clkoff;
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if (sc->sc_nvrd == NULL)
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sc->sc_nvrd = mk48txx_def_nvrd;
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if (sc->sc_nvwr == NULL)
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sc->sc_nvwr = mk48txx_def_nvwr;
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if (mk48txx_models[i].flags & MK48TXX_EXT_REGISTERS) {
|
|
||||||
mtx_lock(&sc->sc_mtx);
|
|
||||||
if ((*sc->sc_nvrd)(dev, sc->sc_clkoffset + MK48TXX_FLAGS) &
|
|
||||||
MK48TXX_FLAGS_BL) {
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
device_printf(dev, "%s: battery low\n", __func__);
|
|
||||||
return (ENXIO);
|
|
||||||
}
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (sc->sc_flag & MK48TXX_NO_CENT_ADJUST) {
|
|
||||||
/*
|
|
||||||
* Use MK48TXX_WDAY_CB instead of manually adjusting the
|
|
||||||
* century.
|
|
||||||
*/
|
|
||||||
if (!(mk48txx_models[i].flags & MK48TXX_EXT_REGISTERS)) {
|
|
||||||
device_printf(dev, "%s: no century bit\n", __func__);
|
|
||||||
return (ENXIO);
|
|
||||||
} else {
|
|
||||||
mtx_lock(&sc->sc_mtx);
|
|
||||||
wday = (*sc->sc_nvrd)
|
|
||||||
(dev, sc->sc_clkoffset + MK48TXX_IWDAY);
|
|
||||||
wday |= MK48TXX_WDAY_CEB;
|
|
||||||
(*sc->sc_nvwr)
|
|
||||||
(dev, sc->sc_clkoffset + MK48TXX_IWDAY, wday);
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
clock_register(dev, 1000000); /* 1 second resolution */
|
|
||||||
|
|
||||||
if ((sc->sc_flag & MK48TXX_WDOG_REGISTER) &&
|
|
||||||
(mk48txx_models[i].flags & MK48TXX_EXT_REGISTERS)) {
|
|
||||||
sc->sc_wet = EVENTHANDLER_REGISTER(watchdog_list,
|
|
||||||
mk48txx_watchdog, dev, 0);
|
|
||||||
device_printf(dev,
|
|
||||||
"watchdog registered, timeout interval max. 128 sec\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Get time-of-day and convert to a `struct timespec'
|
|
||||||
* Return 0 on success; an error number otherwise.
|
|
||||||
*/
|
|
||||||
int
|
|
||||||
mk48txx_gettime(device_t dev, struct timespec *ts)
|
|
||||||
{
|
|
||||||
struct mk48txx_softc *sc;
|
|
||||||
bus_size_t clkoff;
|
|
||||||
struct clocktime ct;
|
|
||||||
int year;
|
|
||||||
uint8_t csr;
|
|
||||||
|
|
||||||
sc = device_get_softc(dev);
|
|
||||||
clkoff = sc->sc_clkoffset;
|
|
||||||
|
|
||||||
mtx_lock(&sc->sc_mtx);
|
|
||||||
/* enable read (stop time) */
|
|
||||||
csr = (*sc->sc_nvrd)(dev, clkoff + MK48TXX_ICSR);
|
|
||||||
csr |= MK48TXX_CSR_READ;
|
|
||||||
(*sc->sc_nvwr)(dev, clkoff + MK48TXX_ICSR, csr);
|
|
||||||
|
|
||||||
#define FROMREG(reg, mask) ((*sc->sc_nvrd)(dev, clkoff + (reg)) & (mask))
|
|
||||||
|
|
||||||
ct.nsec = 0;
|
|
||||||
ct.sec = FROMBCD(FROMREG(MK48TXX_ISEC, MK48TXX_SEC_MASK));
|
|
||||||
ct.min = FROMBCD(FROMREG(MK48TXX_IMIN, MK48TXX_MIN_MASK));
|
|
||||||
ct.hour = FROMBCD(FROMREG(MK48TXX_IHOUR, MK48TXX_HOUR_MASK));
|
|
||||||
ct.day = FROMBCD(FROMREG(MK48TXX_IDAY, MK48TXX_DAY_MASK));
|
|
||||||
#if 0
|
|
||||||
/* Map dow from 1 - 7 to 0 - 6; FROMBCD() isn't necessary here. */
|
|
||||||
ct.dow = FROMREG(MK48TXX_IWDAY, MK48TXX_WDAY_MASK) - 1;
|
|
||||||
#else
|
|
||||||
/*
|
|
||||||
* Set dow = -1 because some drivers (for example the NetBSD and
|
|
||||||
* OpenBSD mk48txx(4)) don't set it correctly.
|
|
||||||
*/
|
|
||||||
ct.dow = -1;
|
|
||||||
#endif
|
|
||||||
ct.mon = FROMBCD(FROMREG(MK48TXX_IMON, MK48TXX_MON_MASK));
|
|
||||||
year = FROMBCD(FROMREG(MK48TXX_IYEAR, MK48TXX_YEAR_MASK));
|
|
||||||
year += sc->sc_year0;
|
|
||||||
if (sc->sc_flag & MK48TXX_NO_CENT_ADJUST)
|
|
||||||
year += (FROMREG(MK48TXX_IWDAY, MK48TXX_WDAY_CB) >>
|
|
||||||
MK48TXX_WDAY_CB_SHIFT) * 100;
|
|
||||||
else if (year < POSIX_BASE_YEAR)
|
|
||||||
year += 100;
|
|
||||||
|
|
||||||
#undef FROMREG
|
|
||||||
|
|
||||||
ct.year = year;
|
|
||||||
|
|
||||||
/* time wears on */
|
|
||||||
csr = (*sc->sc_nvrd)(dev, clkoff + MK48TXX_ICSR);
|
|
||||||
csr &= ~MK48TXX_CSR_READ;
|
|
||||||
(*sc->sc_nvwr)(dev, clkoff + MK48TXX_ICSR, csr);
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
|
|
||||||
return (clock_ct_to_ts(&ct, ts));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Set the time-of-day clock based on the value of the `struct timespec' arg.
|
|
||||||
* Return 0 on success; an error number otherwise.
|
|
||||||
*/
|
|
||||||
int
|
|
||||||
mk48txx_settime(device_t dev, struct timespec *ts)
|
|
||||||
{
|
|
||||||
struct mk48txx_softc *sc;
|
|
||||||
bus_size_t clkoff;
|
|
||||||
struct clocktime ct;
|
|
||||||
uint8_t csr;
|
|
||||||
int cent, year;
|
|
||||||
|
|
||||||
sc = device_get_softc(dev);
|
|
||||||
clkoff = sc->sc_clkoffset;
|
|
||||||
|
|
||||||
/* Accuracy is only one second. */
|
|
||||||
if (ts->tv_nsec >= 500000000)
|
|
||||||
ts->tv_sec++;
|
|
||||||
ts->tv_nsec = 0;
|
|
||||||
clock_ts_to_ct(ts, &ct);
|
|
||||||
|
|
||||||
mtx_lock(&sc->sc_mtx);
|
|
||||||
/* enable write */
|
|
||||||
csr = (*sc->sc_nvrd)(dev, clkoff + MK48TXX_ICSR);
|
|
||||||
csr |= MK48TXX_CSR_WRITE;
|
|
||||||
(*sc->sc_nvwr)(dev, clkoff + MK48TXX_ICSR, csr);
|
|
||||||
|
|
||||||
#define TOREG(reg, mask, val) \
|
|
||||||
((*sc->sc_nvwr)(dev, clkoff + (reg), \
|
|
||||||
((*sc->sc_nvrd)(dev, clkoff + (reg)) & ~(mask)) | \
|
|
||||||
((val) & (mask))))
|
|
||||||
|
|
||||||
TOREG(MK48TXX_ISEC, MK48TXX_SEC_MASK, TOBCD(ct.sec));
|
|
||||||
TOREG(MK48TXX_IMIN, MK48TXX_MIN_MASK, TOBCD(ct.min));
|
|
||||||
TOREG(MK48TXX_IHOUR, MK48TXX_HOUR_MASK, TOBCD(ct.hour));
|
|
||||||
/* Map dow from 0 - 6 to 1 - 7; TOBCD() isn't necessary here. */
|
|
||||||
TOREG(MK48TXX_IWDAY, MK48TXX_WDAY_MASK, ct.dow + 1);
|
|
||||||
TOREG(MK48TXX_IDAY, MK48TXX_DAY_MASK, TOBCD(ct.day));
|
|
||||||
TOREG(MK48TXX_IMON, MK48TXX_MON_MASK, TOBCD(ct.mon));
|
|
||||||
|
|
||||||
year = ct.year - sc->sc_year0;
|
|
||||||
if (sc->sc_flag & MK48TXX_NO_CENT_ADJUST) {
|
|
||||||
cent = year / 100;
|
|
||||||
TOREG(MK48TXX_IWDAY, MK48TXX_WDAY_CB,
|
|
||||||
cent << MK48TXX_WDAY_CB_SHIFT);
|
|
||||||
year -= cent * 100;
|
|
||||||
} else if (year > 99)
|
|
||||||
year -= 100;
|
|
||||||
TOREG(MK48TXX_IYEAR, MK48TXX_YEAR_MASK, TOBCD(year));
|
|
||||||
|
|
||||||
#undef TOREG
|
|
||||||
|
|
||||||
/* load them up */
|
|
||||||
csr = (*sc->sc_nvrd)(dev, clkoff + MK48TXX_ICSR);
|
|
||||||
csr &= ~MK48TXX_CSR_WRITE;
|
|
||||||
(*sc->sc_nvwr)(dev, clkoff + MK48TXX_ICSR, csr);
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint8_t
|
|
||||||
mk48txx_def_nvrd(device_t dev, int off)
|
|
||||||
{
|
|
||||||
struct mk48txx_softc *sc;
|
|
||||||
|
|
||||||
sc = device_get_softc(dev);
|
|
||||||
return (bus_read_1(sc->sc_res, off));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
mk48txx_def_nvwr(device_t dev, int off, uint8_t v)
|
|
||||||
{
|
|
||||||
struct mk48txx_softc *sc;
|
|
||||||
|
|
||||||
sc = device_get_softc(dev);
|
|
||||||
bus_write_1(sc->sc_res, off, v);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
mk48txx_watchdog(void *arg, u_int cmd, int *error)
|
|
||||||
{
|
|
||||||
device_t dev;
|
|
||||||
struct mk48txx_softc *sc;
|
|
||||||
uint8_t t, wdog;
|
|
||||||
|
|
||||||
dev = arg;
|
|
||||||
sc = device_get_softc(dev);
|
|
||||||
|
|
||||||
t = cmd & WD_INTERVAL;
|
|
||||||
if (t >= 26 && t <= 37) {
|
|
||||||
wdog = 0;
|
|
||||||
if (t <= WD_TO_2SEC) {
|
|
||||||
wdog |= MK48TXX_WDOG_RB_1_16;
|
|
||||||
t -= 26;
|
|
||||||
} else if (t <= WD_TO_8SEC) {
|
|
||||||
wdog |= MK48TXX_WDOG_RB_1_4;
|
|
||||||
t -= WD_TO_250MS;
|
|
||||||
} else if (t <= WD_TO_32SEC) {
|
|
||||||
wdog |= MK48TXX_WDOG_RB_1;
|
|
||||||
t -= WD_TO_1SEC;
|
|
||||||
} else {
|
|
||||||
wdog |= MK48TXX_WDOG_RB_4;
|
|
||||||
t -= WD_TO_4SEC;
|
|
||||||
}
|
|
||||||
wdog |= (min(1 << t,
|
|
||||||
MK48TXX_WDOG_BMB_MASK >> MK48TXX_WDOG_BMB_SHIFT)) <<
|
|
||||||
MK48TXX_WDOG_BMB_SHIFT;
|
|
||||||
if (sc->sc_flag & MK48TXX_WDOG_ENABLE_WDS)
|
|
||||||
wdog |= MK48TXX_WDOG_WDS;
|
|
||||||
*error = 0;
|
|
||||||
} else {
|
|
||||||
wdog = 0;
|
|
||||||
}
|
|
||||||
mtx_lock(&sc->sc_mtx);
|
|
||||||
(*sc->sc_nvwr)(dev, sc->sc_clkoffset + MK48TXX_WDOG, wdog);
|
|
||||||
mtx_unlock(&sc->sc_mtx);
|
|
||||||
}
|
|
||||||
@ -1,161 +0,0 @@
|
|||||||
/*-
|
|
||||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
||||||
*
|
|
||||||
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* This code is derived from software contributed to The NetBSD Foundation
|
|
||||||
* by Paul Kranenburg.
|
|
||||||
*
|
|
||||||
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
||||||
*
|
|
||||||
* $NetBSD: mk48txxreg.h,v 1.10 2008/04/28 20:23:50 martin Exp $
|
|
||||||
*
|
|
||||||
* $FreeBSD$
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Mostek MK48Txx clocks.
|
|
||||||
*
|
|
||||||
* The MK48T02 has 2KB of non-volatile memory. The time-of-day clock
|
|
||||||
* registers start at offset 0x7f8.
|
|
||||||
*
|
|
||||||
* The MK48T08 and MK48T18 have 8KB of non-volatile memory
|
|
||||||
*
|
|
||||||
* The MK48T59 also has 8KB of non-volatile memory but in addition it
|
|
||||||
* has a battery low detection bit and a power supply wakeup alarm for
|
|
||||||
* power management. It's at offset 0x1ff0 in the NVRAM.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Mostek MK48TXX register definitions
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The first bank of eight registers at offset (nvramsz - 16) is
|
|
||||||
* available only on recenter (which?) MK48Txx models.
|
|
||||||
*/
|
|
||||||
#define MK48TXX_FLAGS 0 /* flags register */
|
|
||||||
#define MK48TXX_UNUSED 1 /* unused */
|
|
||||||
#define MK48TXX_ASEC 2 /* alarm seconds (0..59; BCD) */
|
|
||||||
#define MK48TXX_AMIN 3 /* alarm minutes (0..59; BCD) */
|
|
||||||
#define MK48TXX_AHOUR 4 /* alarm hours (0..23; BCD) */
|
|
||||||
#define MK48TXX_ADAY 5 /* alarm day in month (1..31; BCD) */
|
|
||||||
#define MK48TXX_INTR 6 /* interrupts register */
|
|
||||||
#define MK48TXX_WDOG 7 /* watchdog register */
|
|
||||||
|
|
||||||
#define MK48TXX_ICSR 8 /* control register */
|
|
||||||
#define MK48TXX_ISEC 9 /* seconds (0..59; BCD) */
|
|
||||||
#define MK48TXX_IMIN 10 /* minutes (0..59; BCD) */
|
|
||||||
#define MK48TXX_IHOUR 11 /* hours (0..23; BCD) */
|
|
||||||
#define MK48TXX_IWDAY 12 /* weekday (1..7) */
|
|
||||||
#define MK48TXX_IDAY 13 /* day in month (1..31; BCD) */
|
|
||||||
#define MK48TXX_IMON 14 /* month (1..12; BCD) */
|
|
||||||
#define MK48TXX_IYEAR 15 /* year (0..99; BCD) */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Note that some of the bits below that are not in the first eight
|
|
||||||
* registers are also only available on models with an extended
|
|
||||||
* register set.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/* Bits in the flags register (extended only) */
|
|
||||||
#define MK48TXX_FLAGS_BL 0x10 /* battery low (read only) */
|
|
||||||
#define MK48TXX_FLAGS_AF 0x40 /* alarm flag (read only) */
|
|
||||||
#define MK48TXX_FLAGS_WDF 0x80 /* watchdog flag (read only) */
|
|
||||||
|
|
||||||
/* Bits in the alarm seconds register (extended only) */
|
|
||||||
#define MK48TXX_ASEC_MASK 0x7f /* mask for alarm seconds */
|
|
||||||
#define MK48TXX_ASEC_RPT1 0x80 /* alarm repeat mode bit 1 */
|
|
||||||
|
|
||||||
/* Bits in the alarm minutes register (extended only) */
|
|
||||||
#define MK48TXX_AMIN_MASK 0x7f /* mask for alarm minutes */
|
|
||||||
#define MK48TXX_AMIN_RPT2 0x80 /* alarm repeat mode bit 2 */
|
|
||||||
|
|
||||||
/* Bits in the alarm hours register (extended only) */
|
|
||||||
#define MK48TXX_AHOUR_MASK 0x3f /* mask for alarm hours */
|
|
||||||
#define MK48TXX_AHOUR_RPT3 0x80 /* alarm repeat mode bit 3 */
|
|
||||||
|
|
||||||
/* Bits in the alarm day in month register (extended only) */
|
|
||||||
#define MK48TXX_ADAY_MASK 0x3f /* mask for alarm day in month */
|
|
||||||
#define MK48TXX_ADAY_RPT4 0x80 /* alarm repeat mode bit 4 */
|
|
||||||
|
|
||||||
/* Bits in the interrupts register (extended only) */
|
|
||||||
#define MK48TXX_INTR_ABE 0x20 /* alarm in battery back-up mode */
|
|
||||||
#define MK48TXX_INTR_AFE 0x80 /* alarm flag enable */
|
|
||||||
|
|
||||||
/* Bits in the watchdog register (extended only) */
|
|
||||||
#define MK48TXX_WDOG_RB_1_16 0x00 /* watchdog resolution 1/16 second */
|
|
||||||
#define MK48TXX_WDOG_RB_1_4 0x01 /* watchdog resolution 1/4 second */
|
|
||||||
#define MK48TXX_WDOG_RB_1 0x02 /* watchdog resolution 1 second */
|
|
||||||
#define MK48TXX_WDOG_RB_4 0x03 /* watchdog resolution 4 seconds */
|
|
||||||
#define MK48TXX_WDOG_BMB_MASK 0x7c /* mask for watchdog multiplier */
|
|
||||||
#define MK48TXX_WDOG_BMB_SHIFT 2 /* shift for watchdog multiplier */
|
|
||||||
#define MK48TXX_WDOG_WDS 0x80 /* watchdog steering bit */
|
|
||||||
|
|
||||||
/* Bits in the control register */
|
|
||||||
#define MK48TXX_CSR_CALIB_MASK 0x1f /* mask for calibration step width */
|
|
||||||
#define MK48TXX_CSR_SIGN 0x20 /* sign of above calibration witdh */
|
|
||||||
#define MK48TXX_CSR_READ 0x40 /* want to read (freeze clock) */
|
|
||||||
#define MK48TXX_CSR_WRITE 0x80 /* want to write */
|
|
||||||
|
|
||||||
/* Bits in the seconds register */
|
|
||||||
#define MK48TXX_SEC_MASK 0x7f /* mask for seconds */
|
|
||||||
#define MK48TXX_SEC_ST 0x80 /* stop oscillator */
|
|
||||||
|
|
||||||
/* Bits in the minutes register */
|
|
||||||
#define MK48TXX_MIN_MASK 0x7f /* mask for minutes */
|
|
||||||
|
|
||||||
/* Bits in the hours register */
|
|
||||||
#define MK48TXX_HOUR_MASK 0x3f /* mask for hours */
|
|
||||||
|
|
||||||
/* Bits in the century/weekday register */
|
|
||||||
#define MK48TXX_WDAY_MASK 0x07 /* mask for weekday */
|
|
||||||
#define MK48TXX_WDAY_CB 0x10 /* century bit (extended only) */
|
|
||||||
#define MK48TXX_WDAY_CB_SHIFT 4 /* shift for century bit */
|
|
||||||
#define MK48TXX_WDAY_CEB 0x20 /* century enable bit (extended only) */
|
|
||||||
#define MK48TXX_WDAY_FT 0x40 /* frequency test */
|
|
||||||
|
|
||||||
/* Bits in the day in month register */
|
|
||||||
#define MK48TXX_DAY_MASK 0x3f /* mask for day in month */
|
|
||||||
|
|
||||||
/* Bits in the month register */
|
|
||||||
#define MK48TXX_MON_MASK 0x1f /* mask for month */
|
|
||||||
|
|
||||||
/* Bits in the year register */
|
|
||||||
#define MK48TXX_YEAR_MASK 0xff /* mask for year */
|
|
||||||
|
|
||||||
/* Model specific NVRAM sizes and clock offsets */
|
|
||||||
#define MK48T02_CLKSZ 2048
|
|
||||||
#define MK48T02_CLKOFF 0x7f0
|
|
||||||
|
|
||||||
#define MK48T08_CLKSZ 8192
|
|
||||||
#define MK48T08_CLKOFF 0x1ff0
|
|
||||||
|
|
||||||
#define MK48T18_CLKSZ 8192
|
|
||||||
#define MK48T18_CLKOFF 0x1ff0
|
|
||||||
|
|
||||||
#define MK48T37_CLKSZ 32768
|
|
||||||
#define MK48T37_CLKOFF 0x1ff0
|
|
||||||
|
|
||||||
#define MK48T59_CLKSZ 8192
|
|
||||||
#define MK48T59_CLKOFF 0x1ff0
|
|
||||||
@ -1,63 +0,0 @@
|
|||||||
/*-
|
|
||||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
||||||
*
|
|
||||||
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* This code is derived from software contributed to The NetBSD Foundation
|
|
||||||
* by Paul Kranenburg.
|
|
||||||
*
|
|
||||||
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
||||||
*
|
|
||||||
* $NetBSD: mk48txxvar.h,v 1.6 2008/04/28 20:23:50 martin Exp $
|
|
||||||
*
|
|
||||||
* $FreeBSD$
|
|
||||||
*/
|
|
||||||
|
|
||||||
typedef uint8_t (*mk48txx_nvrd_t)(device_t dev, int off);
|
|
||||||
typedef void (*mk48txx_nvwr_t)(device_t dev, int off, uint8_t v);
|
|
||||||
|
|
||||||
struct mk48txx_softc {
|
|
||||||
struct resource *sc_res;/* bus resource */
|
|
||||||
|
|
||||||
struct mtx sc_mtx; /* hardware mutex */
|
|
||||||
eventhandler_tag sc_wet; /* watchdog event handler tag */
|
|
||||||
|
|
||||||
const char *sc_model; /* chip model name */
|
|
||||||
bus_size_t sc_nvramsz; /* Size of NVRAM on the chip */
|
|
||||||
bus_size_t sc_clkoffset; /* Offset in NVRAM to clock bits */
|
|
||||||
u_int sc_year0; /* year counter offset */
|
|
||||||
u_int sc_flag; /* MD flags */
|
|
||||||
#define MK48TXX_NO_CENT_ADJUST 0x0001 /* don't manually adjust century */
|
|
||||||
#define MK48TXX_WDOG_REGISTER 0x0002 /* register watchdog */
|
|
||||||
#define MK48TXX_WDOG_ENABLE_WDS 0x0004 /* enable watchdog steering bit */
|
|
||||||
|
|
||||||
mk48txx_nvrd_t sc_nvrd; /* NVRAM/RTC read function */
|
|
||||||
mk48txx_nvwr_t sc_nvwr; /* NVRAM/RTC write function */
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Chip attach function */
|
|
||||||
int mk48txx_attach(device_t dev);
|
|
||||||
|
|
||||||
/* Methods for the clock interface */
|
|
||||||
int mk48txx_gettime(device_t dev, struct timespec *ts);
|
|
||||||
int mk48txx_settime(device_t dev, struct timespec *ts);
|
|
||||||
@ -1,21 +0,0 @@
|
|||||||
# Doxyfile 1.5.2
|
|
||||||
|
|
||||||
# $FreeBSD$
|
|
||||||
|
|
||||||
#---------------------------------------------------------------------------
|
|
||||||
# Project related configuration options
|
|
||||||
#---------------------------------------------------------------------------
|
|
||||||
PROJECT_NAME = "FreeBSD kernel MK48TXX device code"
|
|
||||||
OUTPUT_DIRECTORY = $(DOXYGEN_DEST_PATH)/dev_mk48txx/
|
|
||||||
EXTRACT_ALL = YES # for undocumented src, no warnings enabled
|
|
||||||
#---------------------------------------------------------------------------
|
|
||||||
# configuration options related to the input files
|
|
||||||
#---------------------------------------------------------------------------
|
|
||||||
INPUT = $(DOXYGEN_SRC_PATH)/dev/mk48txx/ \
|
|
||||||
$(NOTREVIEWED)
|
|
||||||
|
|
||||||
GENERATE_TAGFILE = dev_mk48txx/dev_mk48txx.tag
|
|
||||||
|
|
||||||
@INCLUDE_PATH = $(DOXYGEN_INCLUDE_PATH)
|
|
||||||
@INCLUDE = common-Doxyfile
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user