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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 try several configurations :

- reset_vector -> epcs_flash_controller

- other memory regions in on chip memory (too small for my entire project)

=> it works

when I replace onchip with sram memory it don't works very well : impossible to boot nios from epcs but hardware image works. I have made several test projects. For some projects it is possible to boot nios with eclipse ide (hw previously loaded with epcs), for others there are some verifying errors when eclipse upload the code...

I am now trying to reduce "memory test" project to make it fit the onchip memory.