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1. About this Document
2. Introduction
3. Getting Started with Platform Configuration
4. The Accelerator Functional Unit (AFU)
5. Developing AFUs with the OPAE SDK
6. AFU In-System Debug
7. Accelerator Functional Unit Developer's Guide for Intel® FPGA Programmable Acceleration Card Archives
8. Document Revision History for Accelerator Functional Unit Developer's Guide for Intel® FPGA Programmable Acceleration Card
5.3.2.1. Specify the Platform Configuration
5.3.2.2. Design the AFU
5.3.2.3. AFU Design Guidelines
5.3.2.4. Partial Reconfiguration Design Guidelines
5.3.2.5. Specify the Build Configuration
5.3.2.6. Generate the ASE Build Environment
5.3.2.7. Verify the AFU with ASE
5.3.2.8. Generate the AF Build Environment
5.3.2.9. Generate the AF
5.3.2.1.1. Specify the AFU's UUID
5.3.2.1.2. Request a Top-level Interface
5.3.2.1.3. Extend a Top-level Interface
5.3.2.1.4. Request Device Interface Pipelining
5.3.2.1.5. Request Device Interface Clock-crossing
5.3.2.1.6. Specify a Requested Device as Optional
5.3.2.1.7. Specify AFU User Clock Timing
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5.3.2.1.3. Extend a Top-level Interface
Additional device interfaces are accommodated by extending one of the predefined basic top-level AFU interfaces.
For example, the eth_e2e_e10, eth_e2e_e40, and hssi_prbs sample AFUs request an hssi device interface by extending the ccip_std_afu top-level AFU interface using the afu-image:afu-top-interface:module-ports:[class|interface] keys:
$OPAE_PLATFORM_ROOT/hw/samples/eth_e2e_e10/hw/rtl/eth_e2e_e10.json
$OPAE_PLATFORM_ROOT/hw/samples/eth_e2e_e40/hw/rtl/eth_e2e_e40.json
$OPAE_PLATFORM_ROOT/hw/samples/eth_e2e_e40/hw/rtl/eth_e2e_e40.json