Mity CPU Platforms » MitySBC-Agilex5

02/11/2026

MF 10:31 PM FPGA Development: RE: 25.3 projects can't get recompiled

Eleonora,
If you are asking what clock to drive your IOPLL clock with, you should be able to use the same clock FPGA_CLKIN_P.
So FPGA_CLKIN_P would go to the EMIF IP for its internal PLL that gets spun up to clock the DDR interface... Mike Fiorenza

MF 10:24 PM FPGA Development: RE: 25.3 projects can't get recompiled

Eleonora,
Glad to hear you were able to build the projects!
HPS_CLK_25MHz is a 25 MHz oscillator for the HPS (Clocks the ARM, peripheral clocks, etc) also is where the hps_user0_clk comes from
The rest of the clocks come from tw... Mike Fiorenza

EH 10:12 PM FPGA Development: RE: 25.3 projects can't get recompiled

Thank you, Mike, for your reply.
The problem really was the Windows inability to works with long paths. I was able to build all 3 projects.
About adding a IOPLL as a reference clock for the DDR controller - what are the actual clocks... Eleonora Haralanova

MF 09:10 PM FPGA Development: RE: 25.3 projects can't get recompiled

Hi Eleonora,
Are you using Quartus Pro 25.3 version exactly? If so, do you also happen to be on Windows and this reference design project checked out in a long directory path? Looking online this may be a common Windows problem where ... Mike Fiorenza

EH 06:46 PM FPGA Development: 25.3 projects can't get recompiled

Hello,
I'm trying to recompile any of the design for 25.3 and even after installing the patch for Quartus Pro, I get errors and was not successful. For the Emif project, during analysis and synthesis I get the following:
Error(16827)... Eleonora Haralanova

02/09/2026

MF 08:14 PM Software Development: RE: Eclipse Application

Hi Brady,
In order to build an ARM application for the Agilex 5 on your PC you first need to obtain a toolchain so that you can cross compile the application. The ARM toolchains can be found here: https://developer.arm.com/downloads/-... Mike Fiorenza

BH 07:16 PM Software Development: Eclipse Application

What is the best was to set up an environment preferable eclipse to build an application. Brady Heater

01/16/2026

EH 02:36 PM FPGA Development: RE: hps_sybsys.qsys not getting validated in platform Designer and Quartus hanging

Thank you. Eleonora Haralanova

01/15/2026

MW 05:03 PM FPGA Development: RE: hps_sybsys.qsys not getting validated in platform Designer and Quartus hanging

Hi Eleonora,
There was a major bug in quartus related to timestamps in January (starting 1/10). You likely need to apply a patch for this to be resolved.
See this link:
https://community.altera.com/kb/knowledge-base/why-do-i-un... Michael Williamson

EH 04:37 PM FPGA Development: hps_sybsys.qsys not getting validated in platform Designer and Quartus hanging

Hello,
I downloaded the Example projects for Quartus Pro 25.3, copied and renamed the base project and just tried to compile without any changes. I didn't even open the qsys. Quartus first validated a5e.qsys and then moved to validate h... Eleonora Haralanova