From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Date: Wed, 22 Jul 2015 07:57:49 -0500 Subject: [U-Boot] [PATCHv4 0/3] drivers/ddr/altera: Add the DDR controller driver for SoCFPGA In-Reply-To: <201507221100.53253.marex@denx.de> References: <1433303570-10004-1-git-send-email-dinguyen@opensource.altera.com> <201507202140.06500.marex@denx.de> <55AF53DE.7020003@opensource.altera.com> <201507221100.53253.marex@denx.de> Message-ID: <55AF934D.7050407@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 7/22/15 4:00 AM, Marek Vasut wrote: > On Wednesday, July 22, 2015 at 10:27:10 AM, Dinh Nguyen wrote: >> On 7/20/15 2:40 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 ? >> >> What I've been told was that the UniPHY was not really properly >> documented, and that when anyone needed to modify the registers, they >> would have to go back to the RTL to figure out exactly what's going on. > > I guess you cannot provide me with the RTL, right ? > I don't think so, but will ask. Dinh