i.MX RT1020 Manufacturing User Guide

Table of Contents

• Introduction
• Overview
  • i.MX RT BootROM
  • MCUBOOT-based Flashloader
  • Host utilities
  • Terminology
• i.MX RT bootable image
  • Bootable image layout in target flash device
  • Boot image format
    • IVT and boot data
    • Boot data structure
  • Signed image
  • Encrypted image
• Generate i.MX RT bootable image
  • Description of the elftosb utility
    • The elftosb utility options
    • BD file
    • BD file for i.MX RT bootable image generation
      • Options block
      • Sources block
      • Constants block
      • Section blocks
    • BD file for memory programming
  • Generate unsigned normal i.MX RT bootable image
  • Generate signed normal i.MX RT bootable image
  • Generate encrypted normal i.MX RT bootable image
  • Generate Plugin boot image
• Generate SB file for bootable image programming
  • Generate SB file for FlexSPI NOR image programming
    • Generate Normal Bootable Image
    • Generate SB file for plaintext FlexSPI NOR image programming
    • Generate SB file for FlexSPI NOR Image encryption and programming
  • Generate SB file for FlexSPI NAND image programming
    • Generate SB file for FlexSPI NAND image programming
    • Generate SB file for encrypted FlexSPI NAND Image and KeyBlob programming
  • Generate SB file for SD image programming
    • Steps to Generate SB file for SD image programming
  • Generate SB file for eMMC image programming
    • Normal mode
    • Fast Mode
  • Generate SB file for Serial NOR/EEPROM image programming
  • Generate SB file for SEMC NOR image programming
  • Generate SB file for SEMC NAND image programming
  • Generate SB file for fuse programming
• Program bootable image
  • MfgTool
    • MfgTool Directory structure
    • Preparation before image programming using MfgTool
  • Connect to the i.MX RT Platform
  • Program bootable image during development
  • Program bootable image for production
• Appendix
  • Plugin boot application
    • Principles for Plugin boot application design
    • Boot Flow of Plugin boot application
    • Example Plugin boot application to enable non-XIP boot on FlexSPI NOR
    • Images loaded by plugin boot application
  • Example of complete manufacturing flow
    • Manufacturing process in Development phase
      • Create i.MX RT bootable image
      • Create SB file for HyperFlash programming
      • Program Image to Flash using MfgTool
    • Manufacturing process in Production phase
      • Generate signed i.MX RT bootable image
      • Create SB file for Fuse programming
      • Create SB file for Image encryption and programming for Flash
      • Create signed Flashloader image
      • Program Image to Flash using MfgTool
  • Generate KeyBlob manually
• Note about the source code in the document