cfg_num_dqssignal is only 3 bits and can support up to 7 DQS groups. For DDR3 interfaces that are 64-bit (8 DQS groups) or 128-bit (16 DQS groups), the sequencer track manager will lock up causing the EMIF Debug Toolkit GUI to hang.
To prevent the EMIF Debug Toolkit GUI from hanging, implement the following workaround:
- Open the sequencer_trk_mgr.sv file in a text editor
- Search for cfg_num_dqs and change the declaration from:
logic [2:0] cfg_num_dqs;
logic [AVL_DATA_WIDTH - 1:0] cfg_num_dqs;
- Recompile the design. The EMIF debug toolkit should run without hanging.
This probelm has been fixed with the Quartus II software version 12.1.