chipsalliance / caliptra-rtl

HW Design Collateral for Caliptra RoT IP
Apache License 2.0
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Add new straps/macros to define Caliptra Subsystem addressing #578

Open calebofearth opened 1 month ago

calebofearth commented 1 month ago

Caliptra should have new Read-only registers added to report addressing information from the Subsystem perspective. These will be used to facilitate AXI transactions via the AXI Manager/DMA block. The Read-only registers are populated by macros, defined at synthesis time. Macro definition is an integration responsibility. Macros should be defined for:

UDS Seed is input to Caliptra via power on straps in other flows.