3.1. U-Boot

This document covers the general use of Processor SDK Release of U-Boot on following platform(s):

• 3.1.1. Build Guide
  • 3.1.1.1. Setup
  • 3.1.1.2. Build
  • 3.1.1.3. Target Images
  • 3.1.1.4. Boot Flow
  • 3.1.1.5. Environment
  • 3.1.1.6. RAM and Device Trees
• 3.1.2. User’s Guide
  • 3.1.2.1. USB Device Firmware Upgrade (DFU)
  • 3.1.2.2. SD, eMMC and USB
  • 3.1.2.3. USB Mass Storage
  • 3.1.2.4. OSPI/QSPI NOR/NAND
  • 3.1.2.5. UART
  • 3.1.2.6. U-Boot splash screen
  • 3.1.2.7. Secure boot using U-Boot verified boot framework
  • 3.1.2.8. Keywriter Lite
  • 3.1.2.9. Keywriter
  • 3.1.2.10. Programming user OTP fuses
• 3.1.3. Troubleshooting
  • 3.1.3.1. Debugging U-Boot and SPL