2 .\" Copyright (c) 1999 Matthew R. Green
3 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
8 .\" 1. Redistributions of source code must retain the above copyright
9 .\" notice, this list of conditions and the following disclaimer.
10 .\" 2. Redistributions in binary form must reproduce the above copyright
11 .\" notice, this list of conditions and the following disclaimer in the
12 .\" documentation and/or other materials provided with the distribution.
13 .\" 3. The name of the author may not be used to endorse or promote products
14 .\" derived from this software without specific prior written permission.
16 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 .\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 .\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 .\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 .\" from: OpenBSD: ebus.4,v 1.6 2004/09/23 18:28:51 jason Exp
29 .\" from: NetBSD: ebus.4,v 1.3 2002/03/13 21:42:20 wiz Exp
37 .Nd "EBus controller and bus"
43 driver provides support for the EBus controller and bus found in most
50 bus is designed to provide the ability to put
54 style peripherals in a
56 based system with a minimal amount of glue logic.
59 systems it is implemented with either a PCIO or a PCIO-2 chip from
60 .Tn Sun Microelectronics .
61 The PCIO chip also implements a
66 The PCIO-2 chip also implements a
84 has four DMA channels,
85 similar to the DMA seen in the
98 .%Q "Sun Microelectronics"
99 .%T "Peripheral Component Interconnect Input Output Controller"
100 .%V "Part No.: 802-7837-01"
102 .%U "http://www.sun.com/oem/products/manuals/802-7837.pdf"
107 driver first appeared in
111 version to include it was
117 driver was written by
122 .An Thomas Moestl Aq Mt tmm@FreeBSD.org .