From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Estevam Date: Thu, 16 Jan 2020 18:51:00 -0300 Subject: question: mx7ulp - LDO_ENABLED_MODE In-Reply-To: References: <20200116203000.GA21781@trex> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Jorge, On Thu, Jan 16, 2020 at 6:33 PM Fabio Estevam wrote: > > I think it is interesting that bit PMC0_CTRL_PMC1ON is already set so > > I am wondering if you think it is possible - in your experience- that > > ROM might have already configured LDO? or was this also the case - > > this bit already set- when you tested the feature? I think I understand the problem now. We are currently acessing the PMC0 registers, which control the M4 side. M4 has LDO enabled set by the ROM, so that's why you see it enabled by default. We need to access the PMC1 registers instead of PMC0. Could you please test these two patches? (They were only compiled tested) Regards, Fabio Estevam -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-ldofixpmc.patch Type: text/x-patch Size: 2437 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: 0002-ldofixorder.patch Type: text/x-patch Size: 1558 bytes Desc: not available URL: