Probe the chip using Raspberry Pi

Read, write, verify and erase flash chips.
More information: <https://manned.org/flashrom>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

flashrom -p {{linux_spi:dev=/dev/spidev0.0}}

click the source code to copy install flashrom on any operating system with command-not-found.com