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05ed3f9063
This includes a number of copyedits for the inline code documentation comments, updates to the existing bhnd(4), bhndb(4), bcma(4), and siba(4) man pages, and new man pages for bhnd_chipc(4), bhnd_pmu(4), bhndb_pci(4), bhnd(9), and bhnd_erom(9). Approved by: adrian (mentor) Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D13021
84 lines
2.6 KiB
Groff
84 lines
2.6 KiB
Groff
.\" Copyright (c) 2015 Landon Fuller
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.\" All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 3, 2016
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.Dt BHND 4
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.Os
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.Sh NAME
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.Nm bhnd
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.Nd Broadcom Home Networking Division interconnect bus
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.Sh SYNOPSIS
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To compile this driver into the kernel, add the following lines to the
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device bhnd"
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.Ed
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.Pp
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To load the driver as a module at boot, add this line to
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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bhnd_load="YES"
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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 provides a unified kernel bus interface to the on-chip
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interconnects used in Broadcom Home Networking Division (HND)
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devices.
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.Pp
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The Broadcom HND device family consists of SoCs (System On a Chip)
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and host-connected chipsets based on a common library of Broadcom IP
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cores connected via an internal hardware bus architecture.
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Drivers for these cores are implemented against the unified
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.Nm
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interface.
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.Pp
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The Sonic Inc. Silicon Backplane used in earlier HND devices is supported
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by the
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.Xr siba 4
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BHND driver.
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.Pp
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The ARM AMBA-based interconnect used in later HND devices is supported by
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the
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.Xr bcma 4
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BHND driver.
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.Sh SEE ALSO
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.Xr bcma 4 ,
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.Xr bhndb 4 ,
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.Xr intro 4 ,
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.Xr siba 4
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 11.0 .
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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 by
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.An Landon Fuller Aq Mt landonf@FreeBSD.org .
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