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authorfabient <fabient@FreeBSD.org>2011-12-12 09:50:33 +0000
committerfabient <fabient@FreeBSD.org>2011-12-12 09:50:33 +0000
commite31b2d85e24e129e3299181446c2edb578c54938 (patch)
treeeddcb9c773407a289dfe349f4f2a7a30d499edaa /share
parent5fd0e7aabd51b89b10bc7ce91e239d168a951846 (diff)
downloadFreeBSD-src-e31b2d85e24e129e3299181446c2edb578c54938.zip
FreeBSD-src-e31b2d85e24e129e3299181446c2edb578c54938.tar.gz
Add watchdog support for VIA south bridge chipset.
Tested on VT8251, VX900 but CX700, VX800, VX855 should works. MFC after: 1 month Sponsored by: NETASQ
Diffstat (limited to 'share')
-rw-r--r--share/man/man4/Makefile2
-rw-r--r--share/man/man4/viawd.479
2 files changed, 81 insertions, 0 deletions
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index b366dd5..5b41aea 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -499,6 +499,7 @@ MAN= aac.4 \
vga.4 \
vge.4 \
viapm.4 \
+ ${_viawd.4} \
vinum.4 \
vkbd.4 \
vlan.4 \
@@ -711,6 +712,7 @@ _speaker.4= speaker.4
_spkr.4= spkr.4
_tpm.4= tpm.4
_urtw.4= urtw.4
+_viawd.4= viawd.4
_wpi.4= wpi.4
_xen.4= xen.4
diff --git a/share/man/man4/viawd.4 b/share/man/man4/viawd.4
new file mode 100644
index 0000000..47473cf
--- /dev/null
+++ b/share/man/man4/viawd.4
@@ -0,0 +1,79 @@
+.\"-
+.\" Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" 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.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd December 7, 2011
+.Dt VIAWD 4
+.Os
+.Sh NAME
+.Nm viawd
+.Nd device driver for VIA south bridge watchdog timer
+.Sh SYNOPSIS
+To compile this driver into the kernel,
+place the following line in your
+kernel configuration file:
+.Bd -ragged -offset indent
+.Cd "device viawd"
+.Ed
+.Pp
+Alternatively, to load the driver as a
+module at boot time, place the following line in
+.Xr loader.conf 5 :
+.Bd -literal -offset indent
+viawd_load="YES"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+driver provides
+.Xr watchdog 4
+support for the watchdog interrupt timer present on
+VIA south bridge chipset (VT8251, CX700, VX800, VX855, VX900).
+.Pp
+The VIA south bridge have a built-in watchdog timer,
+which can be enabled and disabled by user's program and set between
+1 to 1023 seconds.
+.Pp
+The
+.Nm
+driver when unloaded with running watchdog will reschedule the watchdog
+to 5 minutes.
+.Sh SEE ALSO
+.Xr watchdog 4 ,
+.Xr watchdog 8 ,
+.Xr watchdogd 8 ,
+.Xr watchdog 9
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Fx 10.0 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver and this manual page were written by
+.An Fabien Thomas Aq fabient@FreeBSD.org .
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