.. _rockpi4: ######### ROCK Pi 4 ######### The instructions here will tell how to run OP-TEE on `ROCK Pi 4`_ / `ROCK 4`_ boards. Supported ROCK Pi 4 boards ************************** There are several versions of the ROCK Pi 4 board, each with 1GB, 2GB or 4GB RAM options. OP-TEE has been tested and is known to work with a Rock Pi 4 Model B OP1 4GB. Other variants will likely work too. UART **** The console can be accessed using a USB adapter connected to the board as described in the `serial console`_ documentation. Build instructions ****************** Just follow the ":ref:`get_and_build_the_solution`" as described in :ref:`build`. To flash the board you will need a USB type A to type A cable. The ``make flash`` step will tell you how to connect the cable and use the buttons. .. _ROCK 4: https://wiki.radxa.com/Rock4 .. _ROCK Pi 4: https://wiki.radxa.com/Rock4 .. _serial console: https://wiki.radxa.com/Rockpi4/dev/serial-console