see also:
http://www.mail-archive.com/u-boot@lists.denx.de/msg24368.html
+
+
+Config Option
+
+ CONFIG_SYS_MAX_FLASH_SECT: Number of sectors available on Flash device
+
+ CONFIG_SYS_FLASH_CFI_WIDTH: Data-width of the flash device
+
+ CONFIG_CMD_FLASH: Enables Flash command library
+
+ CONFIG_FLASH_CFI_DRIVER: Enables CFI Flash driver
+
+ CONFIG_FLASH_CFI_MTD: Enables MTD frame work for NOR Flash devices