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Altera_Forum's avatar
Altera_Forum
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16 years ago

can't boot from sram

I build sopc with epcs component, with the reset vector and exception vector at sram section, and set .text section at sram section, I have changed the sram width from 32 bit to 8 bit, but I still ca...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

you have two images to flash on the EPCS. First the .sof file that contains the hardware, and then the .elf file that contains the software.

The bootloader included in the EPCS controller will read from the EPCS flash, jump over the hardware image and copy the .elf file contents to the SRAM.

To flash the .elf file in the EPCS you can use the nios programmer.