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 needed to run an OS.

Link: https://forums.intel.com/s/question/0D50P00003yyTf6SAE/accessing-ddrram-from-fpga-on-de1soc

I'm planning to write a 32-bit RISC CPU and I was between the DE1-SoC and the Arrow SoCKit. The only benefit of the SoCKit is that it has 1GB of DDR3 memory accessible to the FPGA. I just wanted to know it it was possible to access the DDR3 RAM from the FPGA.