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Altera_Forum's avatar
Altera_Forum
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19 years ago

EPCS controller booting trouble

Dear NIOS friends, I am porting a system that was developed on a (custom board) with a EP1C6 to a new board revision with a EP2C8. Both are configured with an EPCS4 device and it worked very we...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Hi Arjan,

> The code starts up nicely when compiled for on-chip memory (I am sure the code is

> copied from EPCS, reset vector in the SOPC builder set to epcs_controller), but not

> for SDRAM.

Just to be sure: you _always_ have your reset vector set to the epcs controller, but the

problem occurs when you set .text, .data, etc. to SDRAM, yes?

--Scott