I've seen a number of patches that tried to add 4-byte addressed chips support to flashrom, but none of them seem to work on Winbond W25Q256FV (even provided the support for the chip is added with only full-chip erasers declared).
Are there any plans on adding 4-byte addressed chips support into flashrom?
I'm planning to work on that on my own, taking Mark Marshall's and Brian Rak's patches as a base: http://www.flashrom.org/pipermail/flashrom/2013-March/010759.html https://gist.github.com/devicenull/8735650
However if there is any ongoing activity on this topic and anyone has further (possibly incomplete) patches, please share as I couldn't find them.
With best regards - Alexander Amelkin