set_global_assignment -name IP_TOOL_NAME "ALTIOBUF"
set_global_assignment -name IP_TOOL_VERSION "14.0"
set_global_assignment -name IP_GENERATED_DEVICE_FAMILY "{Cyclone V}"
set_global_assignment -name VHDL_FILE [file join $::quartus(qip_path) "altiobuf.vhd"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "altiobuf.cmp"]