USB on MPC8349EMDS

Kumar Gala galak at kernel.crashing.org
Wed May 3 04:19:12 EST 2006


On May 2, 2006, at 12:57 PM, Prashant Viswanathan wrote:

> Hi,
>
> I have linux kernel (2.6.11) from Freescale running on the  
> MPC8349EMDS.
> I am using the BSP from Freescale which is supposed to have USB  
> support.
>
> However, I seem to be having problems with USB host support.
>
> When I insert a USB Mass storage device (thumb drive), I get the
> following errors
>
> / #  usb 1-2: new high speed USB device using fsl-usb2-mph and  
> address 8
> usb 1-2: khubd timed out on ep0in
> usb 1-2: new high speed USB device using fsl-usb2-mph and address 9
> usb 1-2: khubd timed out on ep0in
>
> It does not show up in /proc/bus/usb/devices (I do have usbfs  
> mounted).
>
> I also have usb-utils installed and lsusb fails to list the device.
>
> I have also tried other USB devices and get similar errors.
>
> Has anybody else experience similar problems? Any pointers/help  
> will be
> appreciated.

I know there are some bugs in the Freescale driver that was released  
as part of their BSP.

Are you using a PMC2USB module or just the USB ports on the SYS card?

- k



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