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

Probe the chip, ensuring the wiring is correct

flashrom {{[-p|--programmer]}} {{programmer}}

Read flash and save it to a file

flashrom {{[-p|--programmer]}} {{programmer}} {{[-r|--read]}} {{path/to/file}}

Write a file to the flash

flashrom {{[-p|--programmer]}} {{programmer}} {{[-w|--write]}} {{path/to/file}}

Verify the flash against a file

flashrom {{[-p|--programmer]}} {{programmer}} {{[-v|--verify]}} {{path/to/file}}

Probe the chip using Raspberry Pi

flashrom {{[-p|--programmer]}} {{linux_spi:dev=/dev/spidev0.0}}