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

Marek Vasut marex at denx.de
Fri Apr 26 23:14:22 CEST 2013


Dear Fabio Estevam,

> On Fri, Apr 26, 2013 at 5:56 PM, Marek Vasut <marex at denx.de> wrote:
> >> Why 1.5V? The VDDMEM reset value is 1.7V.
> > 
> > Some voltage drop, that's no problem.
> 
> Well, 100mV does all the difference on my test.

Yes, I get it, I'm just worried we're just putting a plaster on another one, not 
fixing the _real_ issue.

> > I'd say try one more thing -- use a different PSU. I suspect the
> > powerblock on olinuxino is cheap crap and the stability of the DRAM
> > depends on the PSU too. After that, yes, we can have it in.
> 
> I am not running on olinuxino.

The freescale powerblock should be ok, yes.

Best regards,
Marek Vasut


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