[U-Boot] FPGA detection failure on Cyclone V soc development kit

[Marek Vasut]

On Thursday, January 21, 2016 at 05:20:33 PM, Måns Rullgård wrote:
> Tom Rini <trini at 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 .

Best regards,
Marek Vasut