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/ -- Tom
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