[U-Boot] [PATCH] i.MX31: fir imx31_phycore to work after Linux reboot

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sun Feb 22 07:13:14 CET 2009


On 22:32 Sat 21 Feb     , Wolfgang Denk wrote:
> Dear Guennadi Liakhovetski,
> 
> In message <Pine.LNX.4.64.0902061353280.7686 at axis700.grange> you wrote:
> > 
> > > In message <Pine.LNX.4.64.0902061002160.4970 at axis700.grange> you wrote:
> > > > Upon power on i.MX31 enables most peripheral clocks, Linux disables the ones
> > > 
> > > Why does U-Boot do that?
> > 
> > i.MX31 does that - the CPU, not U-Boot. I.e., this is the default power-on 
> > mode.
> 
> Yea, but U-Boot performs h/w initialization. So why does it not - like
> Linux - set sane defaults (with only the necessary clocks enabled) ?
it's the case in the last version

Best Regards,
J.


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