uhci — UHCI USB Host Controller driver
Contents
Description
The uhci driver provides support for UHCI-type PCI based USB controllers.
Hardware
The uhci driver supports all UHCI v1.1 compliant controllers including:
• Intel 82371AB/EB (PIIX4)
• Intel 82371SB (PIIX3)
• VIA 83C572
History
The uhci device driver first appeared in FreeBSD 3.0.
Name
uhci — UHCI USB Host Controller driver
See Also
ehci(4), ohci(4), xhci(4)
Synopsis
deviceuhci
Sysctl Variables
The following variables are available as both sysctl(8) variables and loader(8) tunables:
hw.usb.uhci.debug
Debug output level, where 0 is debugging disabled and larger values increase debug message
verbosity. Default is 0.
