echo-t{Tandem_bitfile} location of the bitfile used in tandem PCIe boot. Default is the most recent bitfile in spec7/hdl/syn/ containing the word "tandem".;
echo-r{Reference_bitfile} location of the bitfile used in the reference design. Default is the most recent bitfile in spec7/hdl/syn/ containing the word "ref".;
echo-o{Memory_Offset} the DDR3 Memory offset where the reference design is loaded into. Default is 0x1000000.;
echo-u{uboot uart channel} The uart channel number where Cout and Cin is directed. Default is 0.;