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Altera_Forum
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15 years ago

CIII/EPCS design configures and programs but does not start

Hi, I have a design with EP3C40 and EPCS64. I create flash files with: sof2flash --epcs --compress --input=logic.sof --output=logic.srec elf2flash --epcs --after=logic.srec --input=softwar...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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Presumably the boot loader has the address of the rom and memory compiled into it - they could be wrong ...

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Possibly, although as I wrote in the original post if I power up the board, connect the JTAG lead, and do:

nios2-flash-programmer --epcs --base=0x40000800 --go

then the software starts fine. This suggests to me that the boot loader has copied the code to the RAM correctly but has not performed the final call to the start of the software properly.

Mark.