Device Recovery Mode#

Recovery mode is used to load software updates, burn fuses, and run self-tests. To get into recovery mode:

To get into recovery mode, if the target has an MCU terminal:

Command

Description

tegrarecovery [x1] [off|on]

Set the device in recovery mode.

tegrareset [x1]

Reset the device. Default is X1.

Examples

To boot in recovery mode:

tegrarecovery x1 on
tegrareset x1

To boot:

tegrarecovery x1 off
tegrareset x1

Use this procedure to flash the platform using the MCU serial console to interface with the Renesas microcontroller.

Note

Prior ADB configurations (such as ADB server running, ADB aliases with paths) may interfere with the Bootburn shell and cause it to fail with USB errors. Running bootburn.py with bash -x reveals these issues.