1.\" $NetBSD: ebus.4,v 1.7 2012/03/17 11:15:42 wiz Exp $ 2.\" 3.\" Copyright (c) 1999 Matthew R. Green 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd March 13, 2002 28.Dt EBUS 4 29.Os 30.Sh NAME 31.Nm EBus 32.Nd introduction to SPARC EBus bus support and drivers 33.Sh SYNOPSIS 34.Cd "ebus* at pci?" 35.Sh DESCRIPTION 36The 37.Nm 38bus is designed to provide the ability to put ISA and traditional 39Intel-style peripherals in a SPARC based system with a minimal amount 40of glue logic. 41Typically, it is implemented in the PCIO IC from SME, which also 42implements a 43.Xr hme 4 44compatible PCI network device 45.Pf ( Ql network ) . 46The 47.Nm 48has four DMA channels, similar to the DMA seen in the 49.Xr esp 4 50.\" XXX: prevent SC-SI 51.hw SCSI 52SCSI DMA. 53.Sh SEE ALSO 54.Rs 55.%A Sun Microelectronics 56.%B Peripheral Component Interconnect Input Output Controller 57.%V Part\ No.:\ 802-7837-01 58.%D March 1997 59.%U http://www.sun.com/oem/products/manuals/802-7837.pdf 60.Re 61