166 lines
4.8 KiB
Groff
166 lines
4.8 KiB
Groff
.\" $NetBSD: cardbus.4,v 1.24 2005/09/09 14:03:51 drochner Exp $
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.\"
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.\" Copyright (c) 1999-2005 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 Lennart Augustsson.
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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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.Dd September 9, 2005
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.Dt CARDBUS 4
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.Os
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.Sh NAME
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.Nm cardbus ,
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.Nm cardslot ,
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.Nm cbb
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.Nd CardBus driver
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.Sh SYNOPSIS
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.Cd "cbb* at pci? dev? function ?"
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.Cd "cardslot* at cbb?"
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.Cd "cardbus* at cardslot?"
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.Cd "pcmcia* at cardslot?"
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.Cd "XX* at cardbus? function ?"
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.Sh DESCRIPTION
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.Nx
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provides machine-independent bus support and
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drivers for CardBus devices.
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.Pp
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The
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.Cm cbb
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device represents the CardBus controller.
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Each controller has a number
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of slots, represented by the
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.Cm cardslot
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devices. A slot can have either a CardBus card or a
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.Tn PCMCIA
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card, which are attached with the
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.Cm cardbus
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or
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.Cm pcmcia
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devices, respectively.
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.Sh SUPPORTED DEVICES
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.Nx
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includes the following machine-independent CardBus
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drivers, sorted by function and driver name:
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.Ss Network interfaces
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.Bl -tag -width speaker -offset indent -compact
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.It ex
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3Com 3c575TX and 3c575BTX
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.It fxp
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Intel i8255x
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.It rtk
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Realtek 8129/8139
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.It tlp
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DECchip 21143
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.El
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.Ss Serial interfaces
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.Bl -tag -width speaker -offset indent -compact
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.It com
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Modems and serial cards
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.El
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.Ss SCSI controllers
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.Bl -tag -width speaker -offset indent -compact
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.It adv
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AdvanSys 1200[A,B], 9xx[U,UA]
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.It ahc
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Adaptec ADP-1480
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.El
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.Ss USB controllers
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.Bl -tag -width speaker -offset indent -compact
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.It ehci
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Enhanced Host Controller (2.0)
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.It ohci
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Open Host Controller
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.It uhci
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Universal Host Controller
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.El
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.Ss IEEE1394 controllers
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.Bl -tag -width speaker -offset indent -compact
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.It fwohci
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OHCI controller
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.El
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.Sh DIAGNOSTICS
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.Nm cbb
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devices may not be properly handled by the system BIOS on i386-family
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systems.
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If, on an i386-family system, the
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.Nm cbb
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driver reports
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.Dl cbb0: NOT USED because of unconfigured interrupt
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then enabling
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.Bl -item -offset indent -compact
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.It
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.Cd options PCI_ADDR_FIXUP
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.It
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.Cd options PCI_BUS_FIXUP
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.It
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.Cd options PCI_INTR_FIXUP
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.El
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in the kernel configuration might be of use.
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.Sh SEE ALSO
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.Xr adv 4 ,
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.Xr ahc 4 ,
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.Xr com 4 ,
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.Xr ehci 4 ,
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.Xr ex 4 ,
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.Xr fxp 4 ,
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.Xr ohci 4 ,
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.Xr options 4 ,
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.Xr pci 4 ,
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.Xr pcmcia 4 ,
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.Xr rtk 4 ,
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.Xr tlp 4 ,
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.Xr uhci 4
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.Sh HISTORY
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The
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.Nm
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driver appeared in
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.Nx 1.5 .
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.Sh BUGS
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.Ss Memory space conflicts
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.Nx
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maps memory on Cardbus and PCMCIA cards in order to access the cards
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(including reading CIS tuples on PCMCIA cards)
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and access the devices using the
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.Tn RBUS
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abstraction.
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When the mapping does not work, PCMCIA cards are typically ignored on
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insert, and Cardbus cards are recognized but nonfunctional.
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The location is machine-specific, and the default location does not
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work on all hardware.
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On i386, the following kernel configuration line, which maps Cardbus
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space at 512M rather than 1GB, has been found to make Cardbus support
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(including PCMCIA attachment under a cbb) work on some notebook
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models, including the IBM Thinkpad 600E (2645-4AU) and the Compaq
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ARMADA M700:
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.Pp
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.Cd options RBUS_MIN_START="0x20000000"
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