devu-hcd-ehci-mx28.so

Runs on:

QNX OS

Targets:

aarchle64

Options:

int_thresh=num

Microframe interrupt threshold. Valid values are 1, 2, 4, 8, 16, 32, and 64.

ioport=addr

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

irq=num

The interrupt request number.

keepvbus

Indicate to the controller to not turn the VBUS off after the bus is disabled or exits.

memory=name

Set typed memory name for descriptors. The default is /memory/below4G.

no_stream=0|1

Disable stream mode to eliminate some USB host. controller underrun/overrun issue.

num_ed=num

The number of endpoint descriptors to preallocate.

num_td=num

The number of transfer descriptors to preallocate.

phy=addr

Set PHY base address (in hex).

priority=num

Set the pulse-handler thread's priority (default 21).

Description:

The devu-hcd-ehci-mx28.so driver provides support for computers that have Enhanced Host Controller (ARC) Interface (EHCI) USB controllers. This server creates the /dev/usb/devu-ehci.so device.

Examples:

io-usb-otg -d hcd-ehci-mx28 ioport=0x5B0D0100,irq=299,no_stream,phy=0x5B100000
           -n /dev/otg/io-usb-otg