88 lines
2.7 KiB
Groff
88 lines
2.7 KiB
Groff
|
.\"
|
||
|
|
.\" Copyright (c) 2010 The FreeBSD Foundation
|
||
|
|
.\" All rights reserved.
|
||
|
|
.\"
|
||
|
|
.\" This software was developed by Semihalf under sponsorship from
|
||
|
|
.\" the FreeBSD Foundation.
|
||
|
|
.\"
|
||
|
|
.\" 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 July 12, 2010
|
||
|
|
.Dt FDTBUS 4
|
||
|
|
.Os
|
||
|
|
.Sh NAME
|
||
|
|
.Nm fdtbus
|
||
|
|
.Nd Flattened Device Tree bus driver
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.Cd "options FDT"
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
The
|
||
|
|
.Nm
|
||
|
|
abstract bus driver is the primary connection and translation layer between
|
||
|
|
.Xr fdt 4
|
||
|
|
hardware resources description and
|
||
|
|
.Fx
|
||
|
|
native newbus device drivers framework. For an embedded system
|
||
|
|
.Nm
|
||
|
|
represents peripherals typically found on a highly integrated chip
|
||
|
|
(system-on-chip).
|
||
|
|
.Pp
|
||
|
|
The
|
||
|
|
.Nm
|
||
|
|
driver provides generic, common infrastructure for all
|
||
|
|
.Xr fdt 4 oriented device drivers, and its main responsibilities are the
|
||
|
|
following:
|
||
|
|
.Bl -bullet
|
||
|
|
.It
|
||
|
|
Creating newbus children that reflect
|
||
|
|
.Xr fdt 4
|
||
|
|
nodes in the flattened device tree.
|
||
|
|
.It
|
||
|
|
Managing SYS_RES_IRQ resources.
|
||
|
|
.It
|
||
|
|
Managing SYS_RES_MEMORY, SYS_RES_IOPORT resources.
|
||
|
|
.El
|
||
|
|
.Sh SEE ALSO
|
||
|
|
.Xr fdt 4 ,
|
||
|
|
.Xr openfirm 4 ,
|
||
|
|
.Xr simplebus 4 ,
|
||
|
|
.Sh STANDARDS
|
||
|
|
IEEE Std 1275: IEEE Standard for Boot (Initialization Configuration) Firmware:
|
||
|
|
Core Requirements and Practices
|
||
|
|
.Pq Vt Open Firmware .
|
||
|
|
.Pp
|
||
|
|
Power.org Standard for Embedded Power Architecture Platform Requirements
|
||
|
|
.Pq Vt ePAPR .
|
||
|
|
.Sh HISTORY
|
||
|
|
The
|
||
|
|
.Nm
|
||
|
|
support first appeared in
|
||
|
|
.Fx 9.0 .
|
||
|
|
.Sh AUTHORS
|
||
|
|
The
|
||
|
|
.Nm
|
||
|
|
support was developed by Semihalf under sponsorship from the FreeBSD
|
||
|
|
Foundation. This manual page was written by
|
||
|
|
.An Rafal Jaworowski .
|