6932ddbf95
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
94 lines
3.0 KiB
Groff
94 lines
3.0 KiB
Groff
.\" Copyright (c) 2010 Weongyo Jeong
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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 September 13, 2017
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.Dt SIBA 4
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.Os
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.Sh NAME
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.Nm siba
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.Nd Sonic Inc. Silicon Backplane driver
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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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.Cd "device siba"
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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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siba_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
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.Xr bhnd 4
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support for devices based on the Sonic Inc. Silicon Backplane, an
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interblock communications architecture found in earlier Broadcom Home
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Networking Division wireless chipsets and embedded systems.
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.Pp
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A common interconnect connects all of the Silicon Backplane's functional
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blocks.
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These functional blocks, known as cores, use the Open Core Protocol
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(OCP) interface to communicate with agents attached to the Silicon
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Backplane.
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.Pp
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Each core can have an initiator agent that passes read and write
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requests onto the system backplane and a target agent that returns
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responses to those requests.
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Not all cores contain both an initiator and a target agent.
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Initiator agents are present in cores that contain
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host interfaces (PCI, PCMCIA), embedded processors (MIPS),
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or DMA processors associated with communications cores.
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.Sh SEE ALSO
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.Xr bcma 4 ,
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.Xr bhnd 4 ,
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.Xr intro 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 8.0 .
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The driver was rewritten for
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.Fx 11.0
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to support the common Broadcom
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.Xr bhnd 4
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bus interface.
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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 originally written by
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.An Bruce M. Simpson Aq Mt bms@FreeBSD.org
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and
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.An Weongyo Jeong Aq Mt weongyo@FreeBSD.org .
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The driver was rewritten for
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.Fx 11.0
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by
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.An Landon Fuller Aq Mt landonf@FreeBSD.org .
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