OpenAMP(Open Asymmetric Multi Processing, 비대칭형 멀티프로세싱)의 remoteproc 모듈은 Remote 코어에서 동작하는 프로그램을 로딩/실행/중지 할 수 있는 기능을 제공합니다.

remoteproc 관련 아래 내용 참고하세요.

Linux remoteproc framework overview

1 Framework purpose

The remote processor (RPROC) framework allows the different platforms/architectures to control (power on, load firmware, power off) remote processors while abstracting the hardware differences. In addition it offers services to monitor and debug the remote coprocessor.

4 How to use the framework

4.1 Remote processor boot

There are three possibilities to load and start the remote processor firmware:

• Start the firmware through the SysFS interface.
• Automatically start the firmware on remoteproc driver probing (not recommended by STMicroelectronics).
• Early boot the firmware during boot time (before Linux boot).

4.1.1 Remote processor boot through sysfs

• The firmware components are stored in the file system, by default in the /lib/firmware/ folder. Optionally another location can be set. In this case the remoteproc framework parses this new path in priority.