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Altera_Forum's avatar
Altera_Forum
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15 years ago

impossible to boot ep3c25 from epcs16 - reset_vector problem ?

Hi, I am developing my first niosII design. It works well when I use a volatile programming file (.sof) but I have issues to program the fpga with an external flash. I use : - cycloneI...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I don't think that you should write anything to the EPCS controller base address when downloading the NiosII application. At this address you have a bootloader that is supposed to be read only.

Did you do anything special to the BSP settings? Check that it is configured to have the application code in the SSRAM (and in the hardware setup, that the NiosII instruction master is connected to the SSRAM).