In our design , Arria 10 SoC 10as016 device has been planned to use and we need to map it to DDR4 x16 device. can you please share the details of pin mapping ARM Memory IP / FPGA IP
Please use the Arria 10 SoC Development Kit as an example of what you are trying to do.
The following link will be very helpful for you:
Download the files and see the examples and user guide
Also you can find useful reference designs here: