flashrom

Read, write, verify and erase flash chips. More information: https://manned.org/flashrom.

• Probe the chip, ensuring the wiring is correct:
  flashrom --programmer {{programmer}}
• Read flash and save it to a file:
  flashrom -p {{programmer}} --read {{path/to/file}}
• Write a file to the flash:
  flashrom -p {{programmer}} --write {{path/to/file}}
• Verify the flash against a file:
  flashrom -p {{programmer}} --verify {{path/to/file}}
• Probe the chip using Raspberry Pi:
  flashrom -p {{linux_spi:dev=/dev/spidev0.0}}