6 Appendix 2: DDR4 Configuration

The DDR4 subsystem is configured to access the 32-bit DDR4 memory through an AXI4 64-bit interface. The DDR4 memory initialization and timing parameters are configured as per the DDR4 memory on the PolarFire Evaluation kit. The following figure shows the general configuration settings for the DDR4 memory.

Figure 6-1. PF_DDR4 Configurator—General

The following figure shows the initialization configuration settings for the DDR4 memory.

Figure 6-2. PF_DDR4 Configurator—Memory Initialization

The following figure shows the memory initialization configuration settings for the DDR memory.

Figure 6-3. PF_DDR4 Configurator—Memory Timing Initialization

The following figure shows the controller configuration settings for the DDR4 memory.

Figure 6-4. PF_DDR4 Configurator—Controller