s29ws-n MirrorBit flash has non-standard addresses for buffered
write commands.
-- CONFIG_FLASH_SHOW_PROGRESS
- If defined (must be an integer), print out countdown
- digits and dots. Recommended value: 45 (9..1) for 80
- column displays, 15 (3..1) for 40 column displays.
-
- CONFIG_FLASH_VERIFY
If defined, the content of the flash (destination) is compared
against the source after the write operation. An error message