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: Fri, 26 Apr 2013 23:14:22 +0200 [thread overview]
Message-ID: <201304262314.22250.marex@denx.de> (raw)
In-Reply-To: <CAOMZO5BCW-O1vgBGuK5VpT-EajoU4u03TGEykVF=Y+0FJpkDMA@mail.gmail.com>
Dear Fabio Estevam,
> On Fri, Apr 26, 2013 at 5:56 PM, Marek Vasut <marex@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
next prev parent reply other threads:[~2013-04-26 21:14 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
2013-04-26 20:56 ` Marek Vasut
2013-04-26 21:10 ` Fabio Estevam
2013-04-26 21:14 ` Marek Vasut [this message]
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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