Stratix 10 maps dram from 0 to 128GB. There is a 2GB hole
in the memory for peripherals and other IO from 2GB to 4GB.
However the dram controller ignores upper address bits for
smaller dram configurations. Example: a 4GB dram
maps to multiple locations, every 4GB on the address.
Signed-off-by: Dalon Westergreen <dalon.westergreen@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
6cd7134e73