To go further¶

The other features of Welma can be activated and customized:

• Secure boot
  • Set the keys (ROOTKEY, SWK1, SWK2)
  • Kernel: CONFIG_DM_VERITY=y
  • Kernel: patch command line size (optional if SWK2 is used)
  • U-Boot: patch to pass SWK1 to the kernel (optional if SWK2 is used)
  • imx:
    • BOOT_SIGNING_MECHANISM = "imx"
    • BOOT_SIGNING_MECHANISM_VERSION = "hab4" or "ahab"
• Prod image: deactivate U-Boot's command line
• Secure storage
• Data provisioning
• Test

Please refer to the documentation for more details on these.