The Trusted Firmware-A (TF-A) 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 Trusted Firmware-A (TF-A) 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.