.\"	$OpenBSD: vme.4,v 1.3 2004/01/28 11:00:28 jmc Exp $
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.\" Copyright (c) 2003 Paul Weissmann
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.Dd May 14, 2003
.Dt VME 4 mvme88k
.Os
.Sh NAME
.Nm vme
.Nd VMEchip2 VMEbus interface chip
.Sh SYNOPSIS
.Cd "vme0   at pcctwo0 offset 0x40000"
.Cd "vme0   at syscon0 offset 0x85000"
.Cd "vmes0  at vme0"
.Cd "vmel0  at vme0"
.Sh DESCRIPTION
The
.Nm
driver provides access to the VMEchip2 ASIC which interfaces from the
MC68040-compatible local bus to the
.Tn VMEbus .
On
.Tn MVME187
and
.Tn MVME197
boards it is attached to the
.Xr pcctwo 4
.Tn PCCchip2
local bus controller.
On
.Tn MVME188
boards it attaches to the
.Xr syscon 4
bus controller.
.Pp
Features Summary:
.Pp
.Bl -bullet -compact
.It
Local Bus to VMEbus interface
.It
VMEbus to Local Bus interface
.It
32-bit Local Bus to VMEbus DMA controller
.It
VMEbus interrupter
.It
VMEbus system controller
.It
Global control status register set
.It
Interrupt handler
.It
Watchdog timer
.It
Two 32-bit tick timers
.It
Support for RESET and ABORT switches
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr pcctwo 4
.\" .Xr syscon 4