• Synopsis
• What is u-boot?
• The boot process
• Stage 1 (Secondary Program Loader / SPL)
• Stage 2 (u-boot)
• Stage 3 (Linux kernel)
• The shortcut
• Understanding u-boot
• Disk layout and partitioning
• u-boot commands
• u-boot environment
• u-boot macros
• Typical boot sequence
• Load a custom environment from the boot partition
• Load a custom environment from the boot partition
• Load the kernel image from the boot partition
• Load the device tree binary from the boot partition
• Load the initial ramdisk archive from the boot partition
• Userland access to the u-boot environment
• Important
• Typical use cases for the ODROID C1
• Boot an alternative kernel image
• boot rootfs from a different partition, e.g from USB disk
• References
• To be continued ...