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isonedak's avatar
isonedak
Icon for New Contributor rankNew Contributor
7 years ago

Accessing DDR-Ram from FPGA on DE1-SoC -- without an OS

Hi, I wanted to know if you could write directly to the DDR3-RAM in the HPS of DE1-SoC board without running an OS. I saw the following post asking something similar, but it wasn't clear if you nee...
EBERLAZARE_I_Intel's avatar
EBERLAZARE_I_Intel
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi,

i) The answer is no, you will need an OS to access the DDR3-RAM in the HPS.

ii) In the forum you can refer that the user is using Linux system which is the user's OS for the board.

iii) Yes, the DDR3 RAM in the HPS is accessible in the FPGA fabric;

The forum below discussed how the DDR3 RAM in the HPS is accessible in the FPGA fabric;

https://forums.intel.com/s/question/0D50P00003yyQc4SAE/how-to-write-data-into-ddr3-sdramhps

Let me know if you need further information.