1.\" $OpenBSD: ebus.4,v 1.26 2020/06/18 20:39:28 jmc Exp $ 2.\" $NetBSD: ebus.4,v 1.3 2002/03/13 21:42:20 wiz Exp $ 3.\" 4.\" Copyright (c) 1999 Matthew R. Green 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 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 26.\" SUCH DAMAGE. 27.\" 28.Dd $Mdocdate: June 18 2020 $ 29.Dt EBUS 4 sparc64 30.Os 31.Sh NAME 32.Nm ebus 33.Nd introduction to SPARC EBus bus support 34.Sh SYNOPSIS 35.Cd "ebus* at pci?" 36.Cd "ebus* at mainbus0" 37.Sh DESCRIPTION 38The 39.Nm 40bus is designed to provide the ability to put ISA and traditional 41Intel-style peripherals in a SPARC based system with a minimal amount 42of glue logic. 43Typically, it is implemented in the PCIO IC from SME, which also 44implements an 45.Xr hme 4 46compatible PCI network device 47.Pf ( Ql network ) . 48The 49.Nm 50has four DMA channels, similar to the DMA seen in the 51.Xr esp 4 52SCSI DMA. 53.Pp 54.Ox 55provides support for the following devices: 56.Pp 57.Bl -tag -width "audioce(4)XX" -offset 3n -compact 58.It Xr audioce 4 59SPARC64 EBus CS4231 audio device 60.It Xr auxio 4 61SPARC64 auxiliary I/O 62.It Xr bbc 4 63SPARC64 BootBus Controller 64.It Xr beeper 4 65console annunciator 66.It Xr clock 4 67real-time clock 68.It Xr com 4 69serial communications interface 70.It Xr comkbd 4 71serial keyboard driver 72.It Xr comms 4 73serial mouse driver 74.It Xr led 4 75SPARC64 LED driver 76.It Xr lom 4 77lights out management 78.It Xr lpt 4 79parallel port driver 80.It Xr pcfiic 4 81Philips PCF8584 I2C controller 82.It Xr pckbc 4 83PC (ISA) keyboard controller driver 84.It Xr pmc 4 85power management controller 86.It Xr power 4 87power button 88.It Xr sab 4 89Infineon SAB82532 (ESCC2) serial communications driver 90.It Xr uperf 4 91performance counters driver 92.It Xr wbsd 4 93Winbond W83L518D/W83L519D SD memory card interface 94.El 95.Sh SEE ALSO 96.Xr intro 4 97.Rs 98.%A Sun Microelectronics 99.%B Peripheral Component Interconnect Input Output Controller 100.%V Part\ No.:\ 802-7837-01 101.%D March 1997 102.%U http://www.sun.com/processors/manuals/802-7837.pdf 103.Re 104