Configuration via Protocol (CvP) Implementation User Guide: Agilex™ 3 FPGAs and SoCs

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ID 848621
Date 4/23/2025
Public
Document Table of Contents
Document Table of Contents x
1. Overview 2. CvP Description 3. CvP Topologies 4. Design Considerations 5. Document Revision History for the Configuration via Protocol (CvP) Implementation User Guide: Agilex™ 3 FPGAs and SoCs
1. Overview x
1.1. Benefits of Using CvP 1.2. CvP System 1.3. CvP Modes
1.3. CvP Modes x
1.3.1. CvP Limitations
1.3.1. CvP Limitations x
1.3.1.1. CvP Error Recovery
2. CvP Description x
2.1. Configuration Images 2.2. CvP Modes 2.3. Compression Features 2.4. Pin Description
2.2. CvP Modes x
2.2.1. CvP Initialization Mode 2.2.2. CvP Update Mode
3. CvP Topologies x
3.1. Single Endpoint 3.2. Multiple Endpoints
4. Design Considerations x
4.1. Designing CvP for an Open System 4.2. Designing CvP for a Closed System
4.1. Designing CvP for an Open System x
4.1.1. FPGA Power Supplies Ramp Time Requirement 4.1.2. PCIe Wake-Up Time Requirement
4.1.2. PCIe Wake-Up Time Requirement x
4.1.2.1. For CvP Initialization Mode 4.1.2.2. For CvP Update Mode
1. Overview
2. CvP Description
3. CvP Topologies
4. Design Considerations
5. Document Revision History for the Configuration via Protocol (CvP) Implementation User Guide: Agilex™ 3 FPGAs and SoCs

1.1. Benefits of Using CvP

The CvP configuration scheme has the following advantages:
  • Reduces system costs by reducing the size of the local flash device that stores the configuration data.
  • Allows update of the FPGA without reprogramming the flash.
  • Enables dynamic core updates without requiring a system power down. CvP allows you to update the FPGA core fabric through the PCIe* link without a host restart or FPGA full chip reinitialization.
  • Provides a simpler software model for configuration. A smart host can use the PCIe* protocol and the application topology to initialize and update the FPGA core fabric.
  • Allows quick update of your design for changing application loads.
Level Two Title