No CFI table found at address 0x00000000

Hi all,

I've a similar problem due to a migration from SOPC design to Qsys, on Quartus 12.1 sp1.

Basically, it's a Nios2 linked to sram(32bit addr), f-ram(16bit addr.) and a flash cfi compliance (16bit addr.).

Now, I no longer able to download my firmware on cfi flash via nios2-flash-programmer ( No CFI table found at address... ).

In the Qsys design, I have one Generic Tri-State Controller for every memory device. They are connected to a Tri-State Conduit Pin Sharer and this is connected to Tri-State Conduit Bridge.

I'm able to read/write data from/to sram and fram and then I'm pretty sure the bus is ok.

Via oscilloscope, I checked that signals timings are ok. I noticed that, while in SOPC the flash memory access is @ 16bit, now in Qsys, the access is @ 32bit, but I don't thing this is the problem.

Any, ideas?

Thanks in advance,

Rino

p.s.

Sorry for my english