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PROCESSOR-SDK-J721S2: DDR firewall setup

Part Number: PROCESSOR-SDK-J721S2

Tool/software:

Hello Ti,

We are currently trying to setup firewalls to protect the DDR memory. 

The goal is to setup several regions which only some can access.

Example:

Area 1 only A72 can access

Area 2 only R5_MCU can access.

Area 3 only C7x can access.

The firewalls that we could find in the TRM for the area are: 1280,  5142, 5143,5142. Which of this would be the correct one?

Could we also use just the DRU firewall 284 to control the access to the DDR areas ?

If this is not enough could you please clarify what else might be needed?

Best regards,

Tiago