SPRADU1
September 2026
AM62A3
,
AM62A7
1
Abstract
Trademarks
1
Introduction
2
Boot Process
2.1
SPL Boot Process
2.1.1
R5 SPL
2.1.2
TF-A+OPTEE+A53 SPL
2.1.3
U-Boot
2.1.4
Linux and User Mode
2.2
SPL Falcon Mode
2.2.1
Steps
2.2.1.1
Installing Linux SDK
2.2.1.2
Adding Falcon Script
2.2.1.3
Compiling Linux Device Tree
2.2.1.4
Creating tispl.bin
2.2.1.5
Creating a Bootable Card
2.3
Replacing SPL With SBL
2.3.1
Falcon Boot in SBL
3
Boot Media
4
Operating System Boot Optimization
4.1
Trimming Operating System
4.1.1
Using Preset Trimming Configuration
4.1.2
Custom Trimming
4.2
Reducing Log Output
5
Userspace Optimization
5.1
Customizing Boot Services Using Systemd
6
Minimizing Boot Services Using init Script
7
Conclusion
8
References
Application Note
Fast Boot Method for SITARA AM62Ax Family of Processors