ARM Technical Support Knowledge Articles

How can the Debugger identify a SoC containing a CoreSight Debug Access Port (DAP)?

Applies to: Debug and Trace

Answer

The SoC should be identified by a unique part number and revision number
encoded in the CoreSight ROM table. If a SoC contains more than one top
level ROM table, the SoC should be uniquely identified by the
combination of the IDs of the individual top level ROM tables.

The registers for identifying the SoC are described in the ARM Debug
Interface v5 Architecture Specification.

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