omap4 panda ehci failure

John Rigby john.rigby at linaro.org
Tue Nov 23 06:08:33 UTC 2010


All omap4 experts,

I have a packaged kernel for omap3/omap4 that boots to a shell prompt
on a Panda and a Beagle XM.  One problem on Panda is that I have not
network.  When I looked at the dmesg I noticed that the ehci driver
failed to initialize:

[    0.761352] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.768280] ehci-omap: probe of ehci-omap.0 failed with error -2

My kernel is linux-linaro-2.6.36 from Nicolas plus some Ubuntu sauce
and  packaging.

Here is my packaged kernel:
http://git.linaro.org/gitweb?p=ubuntu/linux-linaro-natty.git;a=summary

Here is linux-linaro-2.6.36
http://git.linaro.org/gitweb?p=kernel/linux-linaro-2.6.36.git;a=summary

and attached is my config.

If anyone knows what is wrong with ehci it would be greatly appreciated.

One more thing, my pandaboard is an old black 6 layer version.

Thanks
John
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