The Arm Trusted Firmware (ATF) executes in EL3. It supports the EEMI API for managing the power state of the slave nodes, by sending PM requests through the IPI-based communication to the PMU.
The Arm Trusted Firmware (ATF) executes in EL3. It supports the EEMI API for managing the power state of the slave nodes, by sending PM requests through the IPI-based communication to the PMU.