From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Thu, 21 Jan 2016 17:31:07 +0100 Subject: [U-Boot] FPGA detection failure on Cyclone V soc development kit In-Reply-To: References: <20160121161800.GZ3359@bill-the-cat> Message-ID: <201601211731.07808.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thursday, January 21, 2016 at 05:20:33 PM, M?ns Rullg?rd wrote: > Tom Rini 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 . Best regards, Marek Vasut