SWRA760A April   2023  – April 2024 AWR2544 , AWR2944

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Definitions, Abbreviations, Acronyms
  5. 2Introduction
  6. 3Basic Bootloader Flow
    1. 3.1 Boot Flow Introduction
    2. 3.2 Preparing the Application for Boot
      1. 3.2.1 SBL Image Format
      2. 3.2.2 Signing Scripts
    3. 3.3 ROM Boot
      1. 3.3.1 Boot mode - SFLASH
        1. 3.3.1.1 Image Load Sequence
        2. 3.3.1.2 Boot Mode UART
          1. 3.3.1.2.1 Image Download Sequence
    4. 3.4 SBL Boot
      1. 3.4.1 R5 SBL Flash Offset
      2. 3.4.2 R5 SBL Image Size
  7. 4Conclusion
  8. 5Revision History

Abstract

This document describes the basic detail of AWR294x/AWR2544 Primary and Secondary Bootloader (RBL and SBL). The document also describes design and implementation considerations for secondary bootloader software. This document focuses only on non-secure AWR294x/AWR2544 device variant.