The CPU is up!

  Cavium SOC
  Locking L2 cache
  PASS: CRC32 verification
  Transferring to thread scheduler
  ERROR: Invalid FDT header read from /boot
  WARNING:
  WARNING: ****
  WARNING: * Board manufacturing information not found.  Program
  WARNING: * the board manufacturing information in the Setup menu.
  WARNING: ****
  WARNING:
  ================
  Cavium Boot Stub
  ================
  Firmware Version: 2020-04-02 23:59:21
  BDK Version: a47ea60-dirty, Branch: heads/master, Built: Thu Apr 2 23:59:18
  TC 2020
  Board Model:    unknown
  Board Revision: unknown
  Board Serial:   unknown
  Node:  0
  SKU:   CN8890-2000BG2601-NT-Y-G
  L2:    16384 KB
  RCLK:  300 Mhz
  SCLK:  300 Mhz
  Boot:  SPI24(5)
  VRM:   Disabled
  Trust: Disabled, Non-secure Boot
  CCPI:  Disabled
  =================================
  Boot Options
  =================================
  S) Enter Setup
  E) Enter Diagnostics, skipping Setup
  F) Select Image from Flash
  X) Upload File to FatFS using Xmodem
  W) Burn boot flash using Xmodem
  U) Change baud rate and flow control
  R) Reboot