64 lines
2.8 KiB
Groff
64 lines
2.8 KiB
Groff
.\" $NetBSD: nell.4,v 1.7 2003/01/07 20:47:12 martin Exp $
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Martin Husemann <martin@NetBSD.ORG>.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.Dd January 7, 2003
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.Dt NELL 4 sparc
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.Os
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.Sh NAME
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.Nm nell
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.Nd sbus pcmcia bridge
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.Sh SYNOPSIS
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# only needed for 32bit sparcs (remove the options line on sparc64):
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.Cd "options FULL_SPARC_BUS_SPACE"
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.Cd "nell* at sbus? slot ? offset ? flags 0"
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.Cd "pcmcia* at nell? controller ? socket ?"
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.Sh DESCRIPTION
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The
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.Nm
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is a pcmcia bridge for the sbus.
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It is also known as STP4020, the name
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of the chipset used to implement it, and has SUN part number 501-2367.
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.Pp
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The firmware assigns two interrupt levels to the nell, but the driver only
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needs a single interrupt.
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Depending on distribution of interrupt levels on your machine you might
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prefer the driver to use either the first (use flags value 0) or the second
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(use flags value 1).
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.Sh SEE ALSO
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.Xr pcmcia 4 ,
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.Xr sbus 4
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