From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Fri, 26 Apr 2013 23:14:22 +0200 Subject: [U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value In-Reply-To: References: <1366992090-4331-1-git-send-email-festevam@gmail.com> <201304262256.35729.marex@denx.de> Message-ID: <201304262314.22250.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Fabio Estevam, > On Fri, Apr 26, 2013 at 5:56 PM, Marek Vasut 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