Intel: What is the Early I/O release function of the Arria® 10 SoC FPGA used for?

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Intel: What is the Arria® 10 SoC FPGA Early I/O release feature used for?

Arria SoC FPGAs

Category: SoCs
tool:-
Device: Arria® 10

Early I/O release is a function to configure only the IO part of FPGA + HPS (only the .periph.rbf part) first.
After that, by configuring the FPGA logic part (.core.rbf) at any timing, all circuits on the FPGA side can be operated.

By using this function, the HPS can access the HPS SDRAM and Shared I/O on the FPGA side from the HPS side before the FPGA side logic is fully configured, which speeds up the HPS start-up timing. things are possible.

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