Bootloader

This topic discusses features supported in the Bootloader, the component of NVIDIA^® Jetson™ Linux that boots the operating system when the device is powered up or reset.

• T23x Boot Configuration Table
  • BR-BCT
  • MB1-BCT
  • Mem-BCT
  • MB2-BCT
• Pinmux and GPIO Configuration
• Common Prod Configuration
• Controller Product Configuration
• Pad Voltage DT Binding
• PMIC Configuration
  • Common Configuration
  • Rail-Specific Configuration
• Storage Device Configuration
  • QSPI Flash Parameters
  • SDMMC Parameters
  • UFS Parameters
  • SATA Parameters
• UPHY Lane Configuration
• OEM-FW Ratchet Configuration
• BootROM Reset PMIC Configuration
  • Specifying AO Blocks
• Miscellaneous Configuration
  • MB1 Feature Fields
  • Clock Data
  • AST Data
    • MB1 AST Data
  • Carveout Configuration
    • Coresight Data
  • Firmware Load and Entry Configuration
  • CPU Configuration
  • Other Configuration
    • MB1 Soft Fuse Configurations
    • Debug Controls
    • Boot Failure Controls
    • On/Off IST Mode Controls
    • Frequency Monitor Controls
• SDRAM Configuration
  • Carveouts
  • GSC Carveouts
  • Non-GSC Carveouts
• DRAM-ECC
  • Components
    • Hardware
    • Software
  • Stages
  • Verification Steps
    • Common Steps
    • Single Bit Error (SBE) Testing
    • Double Bit Error (DBE) Testing
• GPIO Interrupt Mapping Configuration
• MB2 BCT Misc Configuration
  • MB2 Feature Fields
  • MB2 Firmware Data
• Security Configuration
• UEFI Adaptation
  • Sources and Compilation
  • Viewing the BSP Version in UEFI
  • UEFI Variables
  • Boot Order Selection
    • Supported Boot Device and the Default Boot Order
    • Selecting the Boot Device in the UEFI
    • Customizing the Default Boot Order in the Configuration File
    • Overriding the Default Boot Order During Flashing
    • Customizing the Default Boot Order in the UEFI Menu
  • Boot Mode Selection
    • Customizing the Default Boot Mode in the Configuration File
    • Customizing the Default Boot Mode in the UEFI Menu
  • Disabling the UEFI Shell in the UEFI Menu
  • Enabling the UEFI Menu Password Protection
  • Set the System to Normal Boot from the Recovery Kernel Boot
    • Set the Configurations in the UEFI Menu
    • Set the UEFI Variable in the Recovery Kernel Shell
  • Customized Logo:
  • DTB Support
  • Grub support
  • miniUEFI Support
    • Building the miniUEFI
    • Flashing the miniUEFI
• Update and Redundancy
  • A/B Slot Layout
  • A/B System Update
    • Partition Selection
  • Bootloader Implementation
    • Bootloader Scratch Register
    • Partition Settings
    • Bootloader Version in QSPI Flash
  • Update Bootloader
  • Bootloader Tools
    • Boot Control
    • Bootloader Update Payload Generator
  • Manually Modifying Boot Slots
    • To manually modify the boot slots
    • To show the current boot slot
    • To show the slot status
  • Sample Boot Log
    • For NVIDIA^® Jetson AGX Orin™, NVIDIA^® Jetson Orin™ NX, and NVIDIA^® Jetson Orin™ Nano
  • Generating the Bootloader Update Payload (BUP)
    • Generating a Single-Spec BUP
    • Generating a Specified Partition BUP
    • Generating a Multi-Spec BUP
    • Location of Generated BUP Files
    • To Customize the BUP
  • Generating the Capsule Update Payload
    • Generating a Multi-Spec Capsule Payload
    • Use the fwupdtool to Trigger the Capsule Update
    • Use the Helper Script to Trigger the Capsule Update
    • Manually Trigger the Capsule Update
    • Manually Sync Bootloader A/B Slots with the Capsule Update
    • Manually Triggering the Single Partition Image Capsule Update