Other Parts Discussed in Thread: DRA821
SBL is used for fast CAN response.
In the boot_app_mcu_rtos demo:
The MCU2_0 and MCU2_1 images are from mcusw. And also there isn't much content how to boot with rootfs.
Please share one example for commonly used system boot requirement:
step1: use SBL to boot MCU1_0 image
step2: MCU1_0 use boot_app demo to boot other cores
step3: additionally to step2, continue A72 boot with rootfs from eMMC