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

[Dinh Nguyen <dinguyen@opensource.altera.com>]

On 01/21/2016 10:31 AM, Marek Vasut wrote:
> On Thursday, January 21, 2016 at 05:20:33 PM, M?ns Rullg?rd wrote:
>> Tom Rini <trini@konsulko.com> writes:
>>> On Wed, Jan 20, 2016 at 08:31:30PM +0000, M?ns Rullg?rd 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.

Dinh