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. I'll have ask around on what changes were done with the later Cyclone V chips. Dinh _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
