From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Date: Tue, 21 Jul 2015 17:46:15 -0500 Subject: [U-Boot] [PATCHv4 0/3] drivers/ddr/altera: Add the DDR controller driver for SoCFPGA In-Reply-To: <201507202140.06500.marex@denx.de> References: <1433303570-10004-1-git-send-email-dinguyen@opensource.altera.com> <201507202036.35123.marex@denx.de> <55AD4C9B.7020806@opensource.altera.com> <201507202140.06500.marex@denx.de> Message-ID: <55AECBB7.4030204@opensource.altera.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 07/20/2015 02:40 PM, Marek Vasut wrote: > On Monday, July 20, 2015 at 09:31:39 PM, Dinh Nguyen wrote: > [...] >>>>> Hi, >>>>> >>>>> yeah, I have some insane amount of cleanup patches and fixes already. I >>>>> will post them once I'm done. What I am sorely missing is the UniPHY >>>>> register interface documentation, it looks like that is not public, so >>>>> I don't exactly know if what sequencer.c does is really correct. >>>>> Sometimes I have serious doubts about that too . Can you give me the >>>>> documentation please ? >>>> >>>> Have you seen this link[1]? >>> >>> Yes, but that is by far not all of the registers used in the sequencer.c, >>> is it ? >> >> Looks like it's in the entire emi.pdf file[1]. Please look at volume 3, >> or page 531 of 895. The section for the UniPHY. > > I extracted all the possible addresses used in the sequencer while cleaning > it up, they're below. I cannot find these in any documentation. I checked the > EMI RM, sure, but there seems to be many more registers all around the place > than what are described in the EMI RM. Any ideas please ? Maybe this is not > even the UniPHY anymore ? > I'll try to get those questions answered for you shortly. BTW, I tested out our your branch, but I think I'm missing a step as where to put the SPL DTB? U-Boot SPL 2015.07-rc3-00100-ga2e2da6 (Jul 21 2015 - 17:15:54) drivers/ddr/altera/sequencer.c: Preparing to start memory calibration drivers/ddr/altera/sequencer.c: CALIBRATION PASSED drivers/ddr/altera/sequencer.c: Calibration complete Missing DTB ### ERROR ### Please RESET the board ### Thanks, Dinh