1.\" $NetBSD: mppb.4,v 1.8 2014/03/18 18:20:39 riastradh Exp $ 2.\" 3.\" Copyright (c) 2011 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Radoslaw Kujawa. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd September 16, 2012 31.Dt MPPB 4 amiga 32.Os 33.Sh NAME 34.Nm mppb 35.Nd Prometheus PCI bridge driver 36.Sh SYNOPSIS 37.Cd "mppb* at zbus0" 38.Cd "pci* at mppb?" 39.Sh DESCRIPTION 40The 41.Nm 42driver provides support for the PCI bus present on Prometheus Zorro III to PCI 43bridge card. 44.Sh HARDWARE 45The 46.Nm 47driver supports the following hardware: 48.Bl -tag -width "PROMETHEUS" -offset indent 49.It Em PROMETHEUS 50Matay Prometheus. Manufacturer 44359, product 1. 51.El 52.Sh SEE ALSO 53.Xr pci 4 54.Sh HISTORY 55The 56.Nm 57device first appeared in 58.Nx 6.0 . 59.Sh AUTHORS 60.An -nosplit 61The 62.Nm 63driver was written by 64.An Radoslaw Kujawa Aq Mt radoslaw.kujawa@gmail.com . 65.Sh BUGS 66The hardware does not support DMA to host memory. 67.Pp 68The Prometheus does not support repeating of PCI transactions, instead if the 69PCI card demands a retry of transaction, it returns value 0xFFFFFFFF. 70This is currently not handled by the 71.Nm 72driver and will confuse some PCI card drivers. 73