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uhci

Name
     uhci - host controller driver

Synopsis
     pcivid,pid@unit-address

Description
     The uhci host controller driver  is  a  USBA   (Solaris  USB
     Architecture)  compliant  nexus  driver  that  supports  the
     Universal Host Controller Interface  Specification  1.1,  an
     industry  standard  developed by Intel. The uhci driver sup-
     ports all USB transfers, including interrupt, control,  iso-
     chronous and bulk.

Files
     /kernel/drv/amd64/uhci
                                 64-bit ELF kernel module. (x86).


     /kernel/drv/sparcv9/uhci
                                 64-bit SPARC ELF kernel module.


     /kernel/drv/uhci.conf
                                 Driver configuration file.

Attributes
     See attributes(5) for descriptions of the  following  attri-
     butes:



     tab() box; lw(2.75i) |lw(2.75i) lw(2.75i) |lw(2.75i)  ATTRI-
     BUTE  TYPEATTRIBUTE  VALUE _ ArchitectureSPARC or  x86  PCI-
     based systems _ Availabilitysystem/io/usb

See Also
     attributes(5), ehci(7D), hubd(7D), ohci(7D), usba(7D)


     Writing Device Drivers for Oracle Solaris 11.2


     Universal Host Controller Interface  Specification  for  USB
     1.1


     Universal Serial Bus Specification 2.0


     Introduction to Oracle Solaris 11.3                 Adminis_tration

      (http://www.oracle.com)

Diagnostics
     All host controller errors are passed to the client drivers.
     Root errors are documented in hubd(7D).


     In addition to being  logged,  the  following  messages  may
     appear  on the system console. All messages are formatted in
     the following manner:

       WARNING: <device path> <uhci><instance number>>: Error message...



     No SOF interrupts have been received. This USB UHCI host
     controller is unusable.
         The USB hardware is not generating Start Of Frame inter-
         rupts.  Please  reboot  the system. If this problem per-
         sists, contact your system vendor.
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