[U-Boot] i.MX6 freeze when running Linux FSL 3.10.9-1.0.0-alpha AND U-Boot 2013.10

Otavio Salvador otavio at ossystems.com.br
Tue Nov 26 17:00:49 CET 2013


On Tue, Nov 26, 2013 at 1:39 PM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Otavio,
>
> In message <CAP9ODKpAarHeQ3w7dwChkNd7+AY7u3xdBXr4df3Fx2TBTakVtg at mail.gmail.com> you wrote:
>>
>> last days I've been trying to isolate the hung cause of a customer
>> board, and also SabreSD board, when using the Freescale's Linux fork
>> of 3.10.9 with 2013.10 U-Boot.
>
> Do I understand correctly that this happens only with the FSL kernel,
> i. e. not with mainline Linux?

Exactly.

> What exactly is the effect of calling your set_anatop_bypass()
> function?  Why would that be needed on the FSL kernel, and not on
> mainline?

Mainline seems to not drive the pmic while the FSL kernel does. So it
seems we ought to bypass the internal LDO.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750


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