In order to successfully connect to OpenRISC on your board, you have to copy bsdl files correspondent to all devices on your JTAG chain to some directory. Then, you should input the directory as argument when calling adv_jtag_bridge, adv_jtag_bridge -b /home/user/bsdl_files. Check the correspondent FAQ information on enumeration.
Upload software and debug for simulation and implementation using GDB
cd ~/ adv_jtag_bridge <xpc3 | xess | usbblaster | xpc_usb | ft2232>
cd minsoc/sw/uart or32-elf-gdb uart.or32 target remote :9999 load set $pc=0x100 c
You have finished MinSoC installation and your system is running. If you are wondering what to do next, check Next Steps.