NAME
mppb —
Prometheus PCI bridge
driver
SYNOPSIS
mppb* at zbus0
pci* at mppb?
DESCRIPTION
The
mppb driver provides support for the PCI bus present on
Prometheus Zorro III to PCI bridge card.
HARDWARE
The
mppb driver supports the following hardware:
-
-
- PROMETHEUS
- Matay Prometheus. Manufacturer 44359, product 1.
SEE ALSO
pci(4)
HISTORY
The
mppb device first appeared in
NetBSD
6.0.
AUTHORS
The
mppb driver was written by
Radoslaw
Kujawa
<
radoslaw.kujawa@gmail.com>.
BUGS
The hardware does not support DMA to host memory.
The Prometheus does not support repeating of PCI transactions, instead if the
PCI card demands a retry of transaction, it returns value 0xFFFFFFFF. This is
currently not handled by the
mppb driver and will confuse
some PCI card drivers.