From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Mon, 06 May 2013 10:22:11 +0200 Subject: [U-Boot] [PATCH] arm: mx23: Fix VDDMEM misconfiguration In-Reply-To: <1367194665-9813-1-git-send-email-marex@denx.de> References: <1367194665-9813-1-git-send-email-marex@denx.de> Message-ID: <51876833.1060502@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 On 29/04/2013 02:17, Marek Vasut wrote: > The VDDMEM ramped up in very weird way as it was horribly misconfigured. > Instead of setting up VDDMEM in one swipe, let it rise slowly the same > way as VDDD and VDDA in spl_power_init.c and then only clear ILIMIT before > memory gets inited. This makes sure the VDDMEM rises sanely, not jumps up > and down as it did till now. > > The VDDMEM prior to this change did this: > 2V0____ .--------2V5 > | `--' > 0V____| > > The VDDMEM now does this: > 2V0_____,-----------2V5 > / > 0V__| > > Moreover, VDDIO on MX23 uses 25mV steps while MX28 uses 50mV steps, > fix this difference too. > > Signed-off-by: Marek Vasut > Cc: Fabio Estevam > Cc: Otavio Salvador > Cc: Stefano Babic > --- Applied to u-boot-imx, thanks. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================