.\"     $OpenBSD: obio.4,v 1.2 2008/05/20 11:39:12 jmc Exp $
.\"
.\" Copyright (c) 2008 Mark Kettenis <kettenis@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: May 20 2008 $
.Dt OBIO 4 socppc
.Os
.Sh NAME
.Nm obio
.Nd socppc onboard I/O bus device
.Sh SYNOPSIS
.Cd "obio0 at mainbus?"
.Sh DESCRIPTION
The
.Nm
interface serves as an abstraction used by the autoconfiguration
system to help find and attach devices integrated on Freescale SoC
processors.
.Pp
.Nm
provides support for the following devices:
.Pp
.Bl -tag -width 12n -offset indent -compact
.It Xr com 4
serial communications interface
.It Xr ehci 4
USB Enhanced Host Controller Interface
.It Xr ipic 4
integrated programmable interrupt controller
.It Xr sociic 4
socppc onboard I2C controller
.It Xr socpcic 4
socppc onboard PCI controller
.It Xr tsec 4
three-speed 10/100/Gigabit Ethernet device
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr mainbus 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 4.4 .