Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
Public

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12.1.5. HPS Mailbox Address Map and Register Definitions

The HPS mailbox register map is divided into four different address spaces as shown in the following table.

Table 356.  HPS Mailbox Register Map Sections
Start Address Span (bytes) Description
Mailbox memory 256 Mailbox memory
SDM2HPS doorbell 4 Register handles receipt of interrupts from SDM
HPS2SDM doorbell 4 Register for sending interrupts to SDM
Streaming interface 256 Interface for streaming data to SDM
You can access the complete HPS address map and register definitions through the following: