What is the best way to transfer data from FPGA to HPS at 40 MHz rate?

Programmable Devices

CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers

What is the best way to transfer data from FPGA to HPS at 40 MHz rate?

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I want to transfer data coming out from ADC connected to FPGA to the HPS. Later, I want to transfer it from HPS to a host computer through Ethernet. My question is what is the best SoC design that fit my requirements?

* Writing to SDRAM memory using Modular Scatter-Gather DMA?

* FIFO with light-weight bridge and continues polling in my application running in the HPS?

I have tried writing to SDRAM memory, but I'm having difficulties in working with memory descriptors ...:(

I would really appreciate any help :)

Thank you very much in advance!

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