[U-Boot] USB detection

[Manukumar]

Hello,

I have connected USB hard disk to P1020RB 
and in command prompt(u-boot) i used
command
=> 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

=> usb dev

USB device 0: Vendor: Seagate  Rev: 0130 Prod: Portable
            Type: Hard Disk
            Capacity: 476940.0 MB = 465.7 GB (976773168 x 512)

and USB got detected.

but If i used the same command in our custom board
=> usb start
(Re)start USB...
USB:   Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 1 USB Device(s) found
       scanning bus for storage devices... 0 Storage Device(s) found

=> usb dev

USB device -1: device type unknown


How do resolve this issue and why the device is not detecting my USB
hard disk.?


manukumar
signal-networks