devu-hcd-cdns3-xhci

Runs on:

QNX OS

Targets:

aarch64le

Options:

ioport=addr

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

iosize=size

The register space size. The default is 4 kilobytes.

irq=num

The interrupt request number.

verbose=num

Set the verbosity level. Valid range is 0 - 7.

memory=name

Set the typed-memory name for descriptors. Default is /memory/below4G.

prio=num

Set the pulse-handler thread's priority. Default is 21.

nousb3

Do not enable usb 3 mode.

cerr=num

Set the number of hardware retries for a failed transfer. Valid range is 0 - 3, where 0 indicates unlimited retries.

soft_retries=num

Set the number of software retries for a failed transfer. Supported only on Control, Bulk and Interrupt Endpoints. Disabled by default.

soft_retries_mask=num

Specifies the endpoint types to have software retries enabled. The endpoints enabled for retries are specified using a mask. The bit masks fields:

• 0x1 — Control endpoint, which is set (ON) by default.
• 0x2 — Reserved for future use, which is not set (OFF).
• 0x4 — Bulk endpoint, which is set (ON) by default.
• 0x8 — Interrupt endpoint, which is set (ON) by default.

The default mask is 0xD (bits: 1101). The default mask indicates that control, bulk, and interrupt endpoint bits are set (ON).

debug_listener

Starts PPS debug command handler at /pps/usb/debug.

error_threshold=n

The number of cumulative errors before triggering the driver to reinitialize.

max_reinit_attempts=n

The maximum number of reinitializations allowed. No limit is the default.

soc=num

The chipset name (j721e, j7200)

Description:

The devu-hcd-cdns3-xhci.so server provides support for computers that have Extensible Host Controller Interface (XHCI) USB controllers. This server creates the /dev/usb/devu-hcd-cdns3-xhci.so device device.