[U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value

Marek Vasut marex at denx.de
Sat Apr 27 20:39:35 CEST 2013


Dear Otavio Salvador,

> On Sat, Apr 27, 2013 at 2:28 PM, Fabio Estevam <festevam at gmail.com> wrote:
> > Hi Stefano,
> > 
> > On Sat, Apr 27, 2013 at 8:09 AM, Stefano Babic <sbabic at denx.de> wrote:
> >> I agree that we have not yet found a clear cause of the behavior - but
> >> ler me say that is quite bound to the hardware and how voltage is
> >> applied to the DDR. As the patch reports to allow to boot kernel in most
> >> cases, I agree with Fabio to apply this - and IMHO most investigation
> >> should be done by the hardware developers.
> > 
> > 100% agreed. The patch I proposed can be seen as a workaround, not a real
> > fix.
> > 
> > Applying it will give the benefit of allowing mx23 to boot a kernel
> > again, and then we can focus on the real fix, which requires a more
> > careful and detailed investigation.
> 
> 100% agreed as well.

So ... who is gonna make the measurements with a scope and come up with a proper 
patch, who's volunteering to do that please?

Best regards,
Marek Vasut


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