1.\" $NetBSD: intro.4,v 1.3 2003/04/29 22:02:44 tsutsui Exp $ 2.\" 3.\" Copyright (c) 2003 The NetBSD Foundation, Inc. 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.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the NetBSD 17.\" Foundation, Inc. and its contributors. 18.\" 4. Neither the name of The NetBSD Foundation nor the names of its 19.\" contributors may be used to endorse or promote products derived 20.\" from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32.\" POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd April 29, 2003 35.Dt INTRO 4 arc 36.Os 37.Sh NAME 38.Nm intro 39.Nd introduction to special files and hardware support 40.Sh DESCRIPTION 41This section describes the special files, related driver functions, 42and networking support available in the system. 43In this part of the manual, the 44.Tn SYNOPSIS 45section of each configurable device gives a sample specification 46for use in constructing a system description for the 47.Xr config 8 48program. 49The 50.Tn DIAGNOSTICS 51section lists messages which may appear on the console 52and/or in the system error log 53.Pa /var/log/messages 54due to errors in device operation; see 55.Xr syslogd 8 56for more information. 57.Pp 58This section contains both devices which may be configured into 59the system and network related information. 60The networking support is introduced in 61.Xr netintro 4 . 62.Sh DEVICE SUPPORT 63This section describes the hardware supported by 64.Nx Ns /arc . 65Software support for these devices comes in two forms. 66A hardware device may be supported with a character or block 67.Em device driver , 68or it may be used within the networking subsystem and have a 69.Em network interface driver . 70Block and character devices are accessed through files in the file 71system of a special type; see 72.Xr mknod 8 . 73Network interfaces are indirectly accessed through the interprocess 74communication facilities provided by the system; see 75.Xr socket 2 . 76.Pp 77A hardware device is identified to the system at configuration time 78and the appropriate device or network interface driver is then 79compiled into the system. 80When the resultant system is booted, the autoconfiguration facilities 81in the system probe for the device and, if found, enable the software 82support for it. 83If a device does not respond at autoconfiguration time it is not 84accessible at any time afterwards. 85To enable a device which did not autoconfigure, the 86system must be rebooted. 87.Pp 88The autoconfiguration system is described in 89.Xr autoconf 4 . 90A list of the supported devices is given below. 91.Sh SEE ALSO 92.Xr autoconf 4 , 93.Xr config 8 94.Sh HARDWARE 95.Nx Ns /arc 96supports a variety of systems conforming to the ARC machine 97specification. The following systems are supported: 98.Pp 99.Bl -tag -width XXXXXX -offset indent -compact 100.It Acer PICA 101.It DESKstation rPC44 102.It DESKstation Tyne 103.It MIPS Magnum 4000 104.It NEC Express 5800/230 PCI R4K 105.It NEC Express 5800/240 EISA R4K 106.It NEC Express RISCserver 107.It NEC ImageRISCstation 108.It NEC RISCserver 2200 109.It NEC RISCstation 2200 EISA 110.It NEC RISCstation 2200 PCI 111.It NEC RISCstation 2250 112.El 113.Sh LIST OF DEVICES 114The devices listed below are supported in this incarnation of the 115system. 116Devices are indicated by their functional interface. 117Not all supported devices are listed. 118.Pp 119.Bl -tag -width jazzisabr -offset indent -compact 120.It arcsisabr 121DESKstation rPC44 ISA host bridge 122.It jazzio 123Jazz internal bus host bridge 124.It jazzisabr 125Jazz ISA/EISA bus bridge 126.It necpb 127NEC RISCstation PCI host bridge 128.It tyneisabr 129DESKstation Tyne ISA host bridge 130.El 131.Pp 132The following devices on the Jazz internal bus are supported. 133.Pp 134.Bl -tag -width mcclock -offset indent -compact 135.It asc 136NCR 53c9x-based SCSI interface 137.It com 138NS16550-based serial communications interface 139.It fdc 140Floppy disk controller 141.It lpt 142Parallel port 143.It mcclock 144DS1287 real-time clock 145.It oosiop 146Symbios/NCR 53c700-based SCSI interface 147.It osiop 148Symbios/NCR 53c710-based SCSI interface 149.It pckbc 150PC keyboard controller 151.It sn 152SONIC Ethernet 153.It timer 154Interval timer 155.It vga 156VGA graphics 157.El 158.Pp 159PCI devices are supported through the 160.Xr pci 4 161bus and associated device drivers. 162.Pp 163ISA devices are supported through the 164.Xr isa 4 165bus and associated device drivers. 166.Pp 167.\"EISA devices are supported through the 168.\".Xr eisa 4 169.\"bus and associated device drivers. 170.\".Pp 171Console devices using ISA, Jazzio, or PCI video adaptors and standard AT 172or PS/2 keyboards are supported by the machine independent 173.Xr wscons 4 174console driver. 175.Sh UNSUPPORTED DEVICES 176The following devices are not supported, due to unavailability of 177either documentation or sample hardware: 178.Pp 179.Bl -tag -width XXXXXX -offset indent -compact 180.It AD1848 audio on Jazzio 181.It EISA devices 182.It VXL framebuffer on MIPS Magnum and RISCstation 2200 EISA 183.El 184.Pp 185.Sh HISTORY 186This 187.Tn arc 188.Nm intro 189appeared with 190.Nx 2.0 . 191.Sh BUGS 192DESKstation rPC44 and Tyne support is currently broken. 193