On Thu, May 19, 2011 at 11:55 AM, Paul Walmsley <p...@pwsan.com> wrote:
> On Thu, 19 May 2011, Grant Likely wrote:
>
>> Would either of you mind looking at this bug report?  On the IGEP,
>> when booting with DT is used, something appears to get messed up with
>> initializing the clocks.  In this case, the device tree isn't actually
>> doing anything other than replacing ATAGs for passing memory size,
>> command line and initrd address.  There /shouldn't/ be any difference
>> between ATAG and DT booting, but obviously something has gone wrong.
>> I've attached to the bug a diff between the log output of a working
>> boot (ATAGs) and a non working boot (DT).
>>
>> https://bugs.launchpad.net/linux-linaro/+bug/768680
>
> Mainline kernels don't change anything with the clock configuration before
> the "Clocking rate (Crystal/Core/MPU):" is printed.  No idea about Linaro
> kernels; one would hope they don't act any differently in this regard.
> So given that the submitter is using different X-Loader and U-Boot
> versions:
>
> -Texas Instruments X-Loader 1.4.2-1 (Mar 22 2010 - 08:57:12)
> +Texas Instruments X-Loader 1.5.0 (Apr 11 2011 - 09:47:30)
>
> -U-Boot 2009.11-1 (Mar 22 2010 - 10:41:15)
> +U-Boot 2011.03 (Apr 20 2011 - 07:02:48)
>
> the problem is unlikely to be in the kernel.
>
> I'd suggest booting a kernel with ATAGs with the same X-Loader/U-boot
> versions and making sure that works.

kiko [cc'd] was planning to do exactly that when we talked yesterday.

g.

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