#define NAND_BBT_VERSION 0x00000100
/* Create a bbt if none axists */
#define NAND_BBT_CREATE 0x00000200
-/* Search good / bad pattern through all pages of a block */
-#define NAND_BBT_SCANALLPAGES 0x00000400
/* Write bbt if neccecary */
#define NAND_BBT_WRITE 0x00001000
/* Read and write back block contents when writing bbt */