Nick: lajp
E-mail: lportfors@gmail.com
Board: unknown
Contents: 
[pi@raspi4B ~/x200]$ /usr/local/sbin/flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=512 -w x200_8mb_svenska_vesafb.rom -c MX25L6405D
flashrom v1.2 on Linux 5.4.51-v7l+ (armv7l)
flashrom is free software, get the source code at https://flashrom.org

Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Macronix flash chip "MX25L6405D" (8192 kB, SPI) on linux_spi.
Reading old flash chip contents... done.
Erasing and writing flash chip... FAILED at 0x00000000! Expected=0xff, Found=0x5a, failed byte count from 0x00000000-0x00000fff: 0x67
ERASE FAILED!
Reading current flash chip contents... done. Looking for another erase function.
FAILED at 0x00000000! Expected=0xff, Found=0x5a, failed byte count from 0x00000000-0x0000ffff: 0xe2d
ERASE FAILED!
Reading current flash chip contents... done. Looking for another erase function.
FAILED at 0x00000000! Expected=0xff, Found=0x00, failed byte count from 0x00000000-0x007fffff: 0x122a51
ERASE FAILED!
Reading current flash chip contents... done. Looking for another erase function.
FAILED at 0x00000000! Expected=0xff, Found=0x00, failed byte count from 0x00000000-0x007fffff: 0x125a42
ERASE FAILED!
Reading current flash chip contents... done. Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
No usable erase functions left.
FAILED!
Uh oh. Erase/write failed. Checking if anything has changed.
Reading current flash chip contents... done.
Apparently at least some data has changed.
Your flash chip is in an unknown state.
Please report this on IRC at chat.freenode.net (channel #flashrom) or
mail flashrom@flashrom.org, thanks!