18 usb – Artesyn COMX-P40x0 ENP2 Installation and Use (January 2015) User Manual
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COMX-P40x0 ENP2 Installation and Use (6806800R95C)
117
7.18 USB
The COMX-P40x0 ENP2 module has four USB ports. For more information on the
.
U-Boot provides "usb" utilities to operate the USB sticks:
Note that "usb start/reset" must be executed before the other commands can be run. Below
are usage samples of "usb start.
Utility
Function
usb reset
Resets or rescans USB controller
usb stop [f]
Stops USB [f]=force stop
usb tree
Shows USB device tree
usb info [dev]
Shows available USB devices
usb storage
Shows details of USB storage devices
usb dev [dev]
Shows or set current USB storage device
usb part [dev]
Prints partition table of one or all USB storage devices
usb read addr blk# cnt
Reads `cnt' blocks starting at block `blk#' to memory address
`addr‘
usb write addr blk# cnt Writes `cnt' blocks starting at block `blk#' from memory
address `addr'
=> usb start
(Re)start USB...
USB: Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 3 USB Device(s) found
scanning bus for storage devices... 1 Storage Device(s) found