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Altera_Forum's avatar
Altera_Forum
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15 years ago

Programming second CPU

Hello I'm using a Cyclone III starter board and trying to build a system with 2 cpu's but can't get them to work together. I've got both in one SOPC system. CPU1 has a reset vector of ex...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Did you only program the flash at 0x800000? I could see that being the problem since only CPU2 could boot properly in that case. CPU1 is expecting it's software to be located at 0x0 so you would have to flash program that location as well.

Also you mentioned you are using the same BSP for both applications. Since you are trying to boot two processors I recommend giving each one it's own BSP (each processor has their own view of the system so using using the same BSP will cause all kinds of problems).