SWRA760A April 2023 – April 2024 AWR2544 , AWR2944
The RBL requires the boot image (mostly SBL) to always be signed. If not signed, the RBL is not be able to boot the SBL. Any image being loaded by the RBL in flashing or functional mode needs to be signed. The process of certificate creation and attaching the certificate to the binary file is referred to as signing the script.
Key Points
See the Booting Tools section in the readme file available in the mmWave MCU Plus SDK release for more details.
After an SBL and application image is flashed, shown below is the high-level boot flow, after the SOC is powered on.