Hi,
This is the flashrom -VV output for the W25Q16BVSSIG chip as found on the Olimex iCE40HX8K-EVB evaluation board.
From the Debian flashrom 1.0-1 armhf on the SPI pins of a Beaglebone Black, with the command :
flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=10000 -VV >flashrom.info