set_property -dict {PACKAGE_PIN D4 IOSTANDARD LVCMOS33} [get_ports uart0_txd]
set_property -dict {PACKAGE_PIN C4 IOSTANDARD LVCMOS33} [get_ports uart0_rxd]
+
+set_property CONFIG_VOLTAGE 3.3 [current_design]
+set_property CFGBVS VCCO [current_design]
+
+set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]
+set_property BITSTREAM.CONFIG.CONFIGRATE 33 [current_design]
+set_property CONFIG_MODE SPIx4 [current_design]