On Monday, February 01, 2016 at 11:25:46 PM, Dinh Nguyen wrote: > On 01/22/2016 10:35 AM, Dinh Nguyen wrote: > > On 01/21/2016 10:31 AM, Marek Vasut wrote: > >> On Thursday, January 21, 2016 at 05:20:33 PM, Måns Rullgård wrote: > >>> Tom Rini <tr...@konsulko.com> writes: > >>>> On Wed, Jan 20, 2016 at 08:31:30PM +0000, Måns Rullgård wrote: > >>>>> I'm having a problem with u-boot 2016.01 failing to detect the FPGA > >>>>> on my Altera Cyclone V SoC Development Kit. On startup, it simply > >>>>> prints "FPGA: Not Altera chip ID" (the ID having been read as > >>>>> all-zero). No amount of messing with jumpers or switches makes a > >>>>> difference. The software on the SD card included in the box appears > >>>>> to work, so on a whim I took the SPL pre-loader from this card and > >>>>> combined it with the main 2016.01 u-boot. This makes the detection > >>>>> succeed, despite Marek baulking at this idea. The "good" SPL > >>>>> identifies as "U-Boot SPL 2013.01.01 (Dec 04 2014 - 08:59:41)" which > >>>>> is a different build date than the main u-boot on the same SD card, > >>>>> so which source code version it was built from is anyone's guess. > >>>>> > >>>>> What's interesting is that Marek's board works with u-boot 2016.01 > >>>>> while mine fails even with the very same binary. The boards are > >>>>> different revisions (his 100-0321003-C1, mine -E1), and the main > >>>>> Cyclone V chips are also different (his 5CSXFC6D6F31C8NES, mine > >>>>> 5CSXFC6D6F31C6N). > >>>>> > >>>>> Any suggestions for what to try next? > >>>> > >>>> v2016.01 release or to of tree? If top of tree, try > >>>> http://patchwork.ozlabs.org/patch/570009/ > >>> > >>> Tried release, top of tree, and top of tree with that patch. Nothing > >>> works. > >> > >> btw. you dropped Dinh from the CC . > > > > Sorry, but I haven't had a chance to take a look at this. I'll try to > > looking this in the following week. > > It seems to work on older Cyclone V chips. I have the latest devkit, > which has the 5CSXFC6D6F31C6N chip, and I cannot get an FPGA ID. My > older devkit has a 5CSXFC6D6F31C8NES chip, and I can get the FPGA's ID.
This indeed matches my observations. My CV SoCDK also has an older chip, ES even, and I can detect the FPGA ID. > I'll have ask around on what changes were done with the later Cyclone V > chips. Thanks! Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot