Intel® Stratix® 10 Configuration User Guide

ID 683762
Date 9/21/2023
Document Table of Contents Specifying Boot Order for Intel® Stratix® 10 SoC Devices

For Intel® Stratix® 10 SoC devices you can specify the configuration order, choosing either the FPGA First or the Hard Processor System (HPS) First options.

When you select the FPGA First option, the SDM fully configures the FPGA, then configures the HPS SDRAM pins, loads the HPS first stage boot loader (FSBL) and takes the HPS out of reset. In this mode the fabric begins functioning just before the HPS exits reset. Note that FPGA First option does not allow FPGA reconfiguration by using HPS. This user guide defines a state when the FPGA is functional. Configuration and initialization are complete.

When you select the HPS First option, the SDM first configures the HPS SDRAM pins, loads the HPS FSBL and takes the HPS out of reset. Then the HPS configures the FPGA I/O and FPGA fabric at a later time. The HPS First option has the following advantages:
  • Minimizes the amount of SDM flash memory required.
  • Minimizes the amount of time it takes for the HPS software to be up and running.
  • Supports FPGA reconfiguration while the HPS is running.

For more information about specifying configuration order refer to the FPGA Configuration First Mode and HPS Boot First Mode chapters in the Intel® Stratix® 10 SoC FPGA Boot User Guide.

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