DisplayPort Intel® Arria 10 FPGA IP Design Example User Guide

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ID 683050
Date 11/12/2021
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Document Table of Contents
Document Table of Contents x
1. DisplayPort Intel® FPGA IP Design Example Quick Start Guide 2. Parallel Loopback Design Examples 3. HDCP Over DisplayPort Design Example for Intel® Arria® 10 Devices 4. DisplayPort Intel® Arria® 10 FPGA IP Design Example User Guide Archives 5. Revision History for DisplayPort Intel® Arria® 10 FPGA IP Design Example User Guide
1. DisplayPort Intel® FPGA IP Design Example Quick Start Guide x
1.1. Directory Structure 1.2. Hardware and Software Requirements 1.3. Generating the Design 1.4. Simulating the Design 1.5. Compiling and Testing the Design 1.6. DisplayPort Intel® FPGA IP Design Example Parameters
1.5. Compiling and Testing the Design x
1.5.1. Regenerating ELF File
2. Parallel Loopback Design Examples x
2.1. Intel® Arria® 10 DisplayPort SST Parallel Loopback Design Features 2.2. Intel® Arria® 10 DisplayPort MST Parallel Loopback Design Features 2.3. Enabling Adaptive Sync Support 2.4. Creating RX-Only or TX-Only Designs 2.5. Design Components 2.6. Clocking Scheme 2.7. Interface Signals and Parameters 2.8. Hardware Setup 2.9. Simulation Testbench 2.10. DisplayPort Transceiver Reconfiguration Flow 2.11. Transceiver Lane Configurations
3. HDCP Over DisplayPort Design Example for Intel® Arria® 10 Devices x
3.1. High-bandwidth Digital Content Protection (HDCP) 3.2. HDCP Over DisplayPort Design Example Architecture 3.3. Nios II Processor Software Flow 3.4. Design Walkthrough 3.5. Protection of Encryption Key Embedded in FPGA Design 3.6. Debug Guidelines
3.4. Design Walkthrough x
3.4.1. Set Up the Hardware 3.4.2. Generate the Design 3.4.3. Include HDCP Production Keys 3.4.4. Compile the Design 3.4.5. View the Results
3.4.3. Include HDCP Production Keys x
3.4.3.1. Store plain HDCP production keys in the FPGA (Support HDCP Key Management = 0) 3.4.3.2. Store encrypted HDCP production keys in the external flash memory or EEPROM (Support HDCP Key Management = 1)
3.4.3.1. Store plain HDCP production keys in the FPGA (Support HDCP Key Management = 0) x
3.4.3.1.1. HDCP Key Mapping from DCP Key Files 3.4.3.1.2. hdcp1x_tx_kmem.v and hdcp1x_rx_kmem.v files 3.4.3.1.3. hdcp2x_rx_kmem.v file 3.4.3.1.4. hdcp2x_tx_kmem.v file
3.4.3.2. Store encrypted HDCP production keys in the external flash memory or EEPROM (Support HDCP Key Management = 1) x
3.4.3.2.1. Intel KEYENC 3.4.3.2.2. Key Programmer
3.4.5. View the Results x
3.4.5.1. LED Functions
3.5. Protection of Encryption Key Embedded in FPGA Design x
3.5.1. Security Considerations
3.6. Debug Guidelines x
3.6.1. HDCP Status Signals 3.6.2. Modifying HDCP Software Parameters 3.6.3. Frequently Asked Questions (FAQ)
1. DisplayPort Intel® FPGA IP Design Example Quick Start Guide
2. Parallel Loopback Design Examples
3. HDCP Over DisplayPort Design Example for Intel® Arria® 10 Devices
4. DisplayPort Intel® Arria® 10 FPGA IP Design Example User Guide Archives
5. Revision History for DisplayPort Intel® Arria® 10 FPGA IP Design Example User Guide

3.4.3.1. Store plain HDCP production keys in the FPGA (Support HDCP Key Management = 0)

After generating the design, you need to edit the HDCP key memory files to include your production keys.

To include the production keys, follow these steps.

  1. Locate the following key memory files in the <project directory>/rtl/hdcp/ directory:
    • hdcp2x_tx_kmem.v
    • hdcp2x_rx_kmem.v
    • hdcp1x_tx_kmem.v
    • hdcp1x_rx_kmem.v
  2. Open the hdcp2x_rx_kmem.v file and locate the predefined facsimile key R1 for Receiver Public Certificate and RX Private Key and Global Constant as shown in the examples below.
    Figure 15. Wire Array of Facsimile Key R1 for Receiver Public Certificate
    Figure 16. Wire Array of Facsimile Key R1 for RX Private Key and Global Constant
  3. Locate the placeholder for the production keys and replace with your own production keys in their respective wire array in big endian format.
    Figure 17. Wire Array of HDCP Production Keys (Placeholder)
  4. Repeat Step 3 for all other key memory files. When you have finished including your production keys in all the key memory files, ensure that the USE_FACSIMILE parameter is set to 0 at the design example top level file (a10_dp_demo.v ).
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