Here are some useful linux script tools for RISC product If you will be test SI in imx8 board, please download RISC_tools_scripts (branch si_script).
Test command example:
LAN 1G $ ./si_eth_1G.sh
LAN 100 $ ./si_eth_100M.sh
usb host $ ./si_usb2_host_imx8mm.sh
usb otg host $ ./si_usb2_otg_host_imx8mm.sh
display $ ./run.sh $ ./si_display.sh