NAME
gcu —
Intel EP80579 Global Configuration
Unit
SYNOPSIS
gcu* at pci?
DESCRIPTION
The gcu driver provides access to the
miibus that is hidden behind the GCU device. It is used to control PHYs on
embedded designs utilizing Intel's EP80579 chips.
The GCU also provides access to CAN, SSP and TDM signal strength drivers, but since they are not supported by OpenBSD the driver does not provide any functionality related to them.
SEE ALSO
em(4), intro(4), netintro(4), pci(4)
Intel's EP80579 Datasheet: http://download.intel.com/design/intarch/ep80579/320066.pdf
HISTORY
The gcu driver first appeared in
OpenBSD 4.7.
AUTHORS
The gcu driver was written by
Dariusz Swiderski
<dms@openbsd.org>,
partially based on the FreeBSD driver released by
Intel under the ISC license.