USB Host support on mpc 8313

Joaquin Luna Joaquin.Luna at jdsu.com
Mon Nov 24 14:24:21 EST 2008


Is there anyone out there who has tried getting usb to work under the
2.6.27 kernel?  I am using the Freescale MPC831x RDB platform and when I
enable "Support for Freescale on-chip EHCI USB controller"
(USB_EHCI_FSL) I get stuck during boot up.  The last two lines of my
boot log are:

 

fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1

 

 

With the 2.6.20 kernel I had usb working and my boot log looked like:

 

fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1

fsl-ehci fsl-ehci.0: irq 38, io base 0xe0023000

fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004

 

 

I did notice that there were a few usb bug fixes that went into 2.6.27.7
so I updated to the latest version, but it did not help.  Any idea how
or where I can begin looking for a solution?

 

Cheers,

Joaquin Luna

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