From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jorge Ramirez-Ortiz, Gmail Date: Fri, 17 Jan 2020 20:02:12 +0100 Subject: question: mx7ulp - LDO_ENABLED_MODE In-Reply-To: References: <20200116203000.GA21781@trex> <20200117165104.GC3054@trex> <20200117184016.GD3054@trex> Message-ID: <20200117190212.GE3054@trex> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 17/01/20 15:53:28, Fabio Estevam wrote: > On Fri, Jan 17, 2020 at 3:40 PM Jorge Ramirez-Ortiz, Gmail > wrote: > > > thanks a lot Favio. The part I am working with is 08SC. (not 05 or 07). > > Is that the same as yours? > > On the Embedded Artists board there is a 08SC i.MX7ULP version. > > On the i.MX7ULP EVK that I have access to there is a 05SC. > > On the 08SC part I do see that it comes with LDOEN turned on by default. > > On the 05SC part it comes with LDOEN turned off by default. > > I wondering if we should go ahead with this fix: > http://code.bulix.org/5gfb8t-1094747 yes I think so. > > In case LDO is already enabled, then we use the LDO settings that were > configured by the ROM. yeah sounds good to me. I triple check in case the M4 was setting the LDO (who knows) but is not being done by my firmware. So it must be the ROM > > Does this fix the hang problem? yes