From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Mon, 29 Apr 2013 01:06:57 +0200
Subject: [U-Boot] [PATCH] mx23: Put back RAM voltage level to its
	original value
In-Reply-To: <1366992090-4331-1-git-send-email-festevam@gmail.com>
References: <1366992090-4331-1-git-send-email-festevam@gmail.com>
Message-ID: <201304290106.57433.marex@denx.de>
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To: u-boot@lists.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

Best regards,
Marek Vasut