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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value
Date: Sat, 27 Apr 2013 20:39:35 +0200	[thread overview]
Message-ID: <201304272039.35945.marex@denx.de> (raw)
In-Reply-To: <CAP9ODKoAHD4CwmaHB3Q6rX7z3Gw7LKBeDC3gdqqtPT+YeN_vWA@mail.gmail.com>

Dear Otavio Salvador,

> On Sat, Apr 27, 2013 at 2:28 PM, Fabio Estevam <festevam@gmail.com> wrote:
> > Hi Stefano,
> > 
> > On Sat, Apr 27, 2013 at 8:09 AM, Stefano Babic <sbabic@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

  reply	other threads:[~2013-04-27 18:39 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-26 16:01 [U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value Fabio Estevam
2013-04-26 16:20 ` Marek Vasut
2013-04-26 17:14   ` Fabio Estevam
2013-04-26 18:21     ` Marek Vasut
2013-04-26 21:08       ` Fabio Estevam
2013-04-26 21:11         ` Marek Vasut
2013-04-26 16:24 ` Eric Bénard
2013-04-26 17:17   ` Fabio Estevam
2013-04-26 18:16     ` Marek Vasut
2013-04-26 19:42       ` Eric Bénard
2013-04-26 20:08       ` Fabio Estevam
2013-04-26 20:13         ` Otavio Salvador
2013-04-26 20:58           ` Marek Vasut
2013-04-26 23:01             ` Otavio Salvador
2013-04-26 23:33               ` Marek Vasut
2013-04-27 11:09                 ` Stefano Babic
2013-04-27 11:34                   ` Marek Vasut
2013-04-27 17:28                   ` Fabio Estevam
2013-04-27 17:53                     ` Otavio Salvador
2013-04-27 18:39                       ` Marek Vasut [this message]
2013-04-26 20:56         ` Marek Vasut
2013-04-26 21:10           ` Fabio Estevam
2013-04-26 21:14             ` Marek Vasut
2013-04-26 20:58       ` Fabio Estevam
2013-04-26 21:07         ` Marek Vasut
2013-04-26 18:14 ` Robert Nelson
2013-04-28  9:06 ` Stefano Babic
2013-04-28 23:06 ` Marek Vasut
2013-04-28 23:19   ` Marek Vasut

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