devu-ohci.so

Driver for Open Host Controller Interface (OHCI) USB controllers

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You must be root to start this driver.

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Syntax:

io-usb -d ohci [option[,option...]] &

Runs on:

Neutrino

Targets:

x86, MIPS, ARM, PPC, and SH

Options:

ioport=addr

Register the base address of the USB controller. The default is to scan the PCI bus.

irq=num

The interrupt request number.

nosmm

Don't disable system management. The default is to disable it.

num_ed=num

The number of endpoint descriptors to preallocate. The number specified is added to the minimum number of endpoint descriptors needed to set up the USB chip.

num_td=num

The number of transfer descriptors to preallocate. The number specified is added to the minimum number of transfer descriptors needed to set up the USB chip.

pindex=num

Instance of controller on PCI bus to apply argument.

verbose=num

Set verbosity level.

Description:

The devu-ohci.so server provides support for computers that have Open Host Controller Interface (OHCI) USB controllers. This server creates the /dev/io-usb/devu-ohci.so device.

Examples:

Scan PCI bus for all available controllers.

io-usb -dohci

If you specify arguments you'll need to include pindex arguments for all controllers you wish to use. The value for the pindex argument should start from 0. Attach to the 1st and 3rd controller instance and set the verbose argument on the 1st, as follows:

io-usb -dohci pindex=0,verbose=4,pindex=2 &

See also:

devu-ehci.so, devu-uhci.so, io-usb, usb

Connecting Hardware in the Neutrino User's Guide