[ELDK] Problem for drivering USB laser printer on kilauea-linux

[Hunter Cobbs]

As a side note, you might want to remove any USB2.0 hubs you might have
between the Laser Printer and the kilauea.  Once I nail down exactly what's
going on, I'll be submitting a new bug... after I ensure it hasn't already
been addressed.

2009/11/19 Stefan Roese <sr at denx.de>

> [Added ELDK to Cc again]
>
> On Thursday 19 November 2009 12:08:27 噜斯卡 孙 wrote:
> >        I checked my image name with yours. They are the same. I used the
> >  kilauea_defconfig in 'arch/powerpc/configs/40x'I attach it in the
> >  accessory.
>
> This is correct.
>
> >  From your booting log, I can see the USB probing information.
> >  But nothing in my booting log. I will paste my log below.
>
> Very strange. Perhaps you did not use the updated kilauea device-tree blob?
> Please make sure that you use the kilauea.dtb from this kernel version.
> This
> one is generated via:
>
> $ make kilauea.dtb
> -> arch/powerpc/boot/kilauea.dtb
>
> >  In the source
> >  code of 2.6.25, I find that there is a file named 'kilauea-usb.c' in
> >  'arch/powerpc/platforms/40x/' for the USB otg controller of 405ex. But I
> >  can't find anything about the otg of 405ex under the same folder of
> >  2.6.32. But in 2.6.32, I find the 'arch/powerpc/sysdev/amcc-usbotg.c'
> may
> >  for the otg controller. I'm not sure. Can you analyze something for my
> >  problem?
>
> Correct. amcc-usbotg.c replaces the "old" kilauea-usb.c.
>
> >  Thank you!
> >       Here is the log from my Kilauea board booting 2.3.32:
> >
> > U-Boot 1.3.4-rc2 (May 18 2009 - 15:40:17)
>
> This is quite old. You may want to update to the latest U-Boot version.
> Even
> though this is most likely not the problem with USB you are seeing right
> now.
>
> Again, I suspect that you are using the wrong kilauea.dtb. Please give it
> another try with the latest version and let me know if this works for you.
>
> Cheers,
> Stefan
>
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-- 
Hunter Cobbs