(
source /opt/Xilinx/Vivado/2020.1/settings64.sh
export LD_LIBRARY_PATH=/opt/Xilinx/Vivado/2020.1/lib/lnx64.o/SuSE

python3 nubus_to_fpga_soc.py --build --csr-csv csr.csv --csr-json csr.json --variant=ztex2.13a --version=V1.0 --sys-clk-freq 100e6 
) 2>&1 | tee build_V1_0.log
# --trng
# --sdram 
# --sdcard
# --usb
# --cg3 --cg3-res 1280x1024@60Hz 

grep -A10 'Design Timing Summary' build/ztex213_nubus_V1_0/gateware/ztex213_nubus_V1_0_timing.rpt