Booting Prebuilt OpenAMP - 2020.2 English

Use the following steps to execute OpenAMP:

To boot prebuilt Linux for Zynq® UltraScale+™ MPSoC, follow these steps:

$ cd <plnx-proj-root>
$ cp pre-built/linux/images/openamp.dtb pre-built/linux/images/system.dtb
$ petalinux-boot --jtag --prebuilt 3 --hw_server-url <hostname:3121>

To load OpenAMP firmware and run OpenAMP test application, run the following command:

$ echo <echo_test_firmware> > /sys/class/remoteproc/remoteproc0/firmware

For example, to load image_echo_test, run:

$ echo image_echo_test > /sys/class/remoteproc/remoteproc0/firmware
$ echo start > /sys/class/remoteproc/remoteproc0/state
$ echo_test
$ echo stop > /sys/class/remoteproc/remoteproc0/state

To stop running, run the following command:

$ echo stop > /sys/class/remoteproc/remoteproc0/state

For more examples, see Libmetal and OpenAMP for Zynq Devices User Guide (UG1186).