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jackhab's avatar
jackhab
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

ELF download failure

We are seeking for ideas with the following issue we have on Cyclone V. We have a project in development where adding Altera PIO (and sometimes other MM-slaves) breaks the ability to load ELF into N...
jhold7's avatar
jhold7
Icon for New Contributor rankNew Contributor
6 years ago

Error Running Nios II Project: Downloading ELF Process failed

Description

If the Nios II processor’s

cpu.data_master

port is not connected to all program memories (memories to which the .elf file is downloaded) the software project fails to run on Nios II hardware.

Failure to connect

cpu.data_master

to all program memories is a design error that the Nios II Software Build Tools (SBT) does not detect.

Workaround/Fix

Connect

cpu.data_master

to all program memories.