Is it possible to use DDR3 without configuring it from the QSYS hardprocessor? I want to use DDR3 for the boot up of the HPS. What should be the steps i need to follow. Thanks.

I want to boot my HPS with out the FPGA support but using the DDR3. How and where to configure the registers of the DDR3 if i dont want to use the configuration of the QSYS. My HPS is connected to ...