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: Mon, 29 Apr 2013 01:19:08 +0200 [thread overview]
Message-ID: <201304290119.08768.marex@denx.de> (raw)
In-Reply-To: <201304290106.57433.marex@denx.de>
Dear Fabio Estevam,
>
> > From: Fabio Estevam <fabio.estevam@freescale.com>
> >
> > commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR
> > voltage level, which causes mx23evk to fail to load a kernel.
> >
> > Put back the original values, so that mx23evk can boot a kernel again.
> >
> > Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
>
> So, here are the results from M28EVK and MX23EVK:
>
> http://twilight.ponies.cz/MX23.tar.xz
> http://twilight.ponies.cz/MX28.tar.xz
>
> What you can see (rather what's wrong on MX23):
> - VDDA should be 1V5, but jumps over 2V and stabilizes at 1V7
> - VDDIO has some weird ripple where it goes to 3V5
> - VDDMEM is FUBAR
Ah btw this is stock 2013.04
Best regards,
Marek Vasut
prev parent reply other threads:[~2013-04-28 23:19 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
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 [this message]
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