Technical requirements
To follow along with the examples, make sure you have the following:
- An Ubuntu 24.04 or later LTS-based host system
- A Bootlin
aarch64
toolchain from Chapter 2 - A microSD card reader and card
- A microSD card with U-Boot installed from Chapter 3
- A USB to TTL serial cable with 3.3V logic level
- The Raspberry Pi 4
- The BeaglePlay
- A 5V USB-C power supply capable of delivering 3A
The code used in this chapter can be found in the chapter folder in this book’s GitHub repository: https://github.com/PacktPublishing/Mastering-Embedded-Linux-Development/tree/main/Chapter04.