Description
Due to a problem in the Quartus® II software version 13.1, Nios® II designs targeting Cyclone IV GX devices using the EPCS IP may not boot correctly.
Resolution
To work around this problem follow the steps below:
- Open /ip/altera/sopc_builder_ip/altera_avalon_epcs_flash_controller/em_epcs_qsys.pm file in a text editor
- Add the CYCLONEIVGX device into the condition check logic at line 703
- Before:
( eq "CYCLONEIVE"))
- After:
( eq "CYCLONEIVE") || ( eq "CYCLONEIVGX"))
- Before:
This problem is fixed beggining with the Quartus software version 14.0.