I am happy to announce that I finally have a RB133 booting from nand a latest kamikaze system. Kernel is 2.6.19.2 with latest yaffs2 cvs and Andreas last patch. A quick howto is here: http://rb1xx.ozo.com/doku.php#quick_howto Kernel config options follow: CONFIG_YAFFS_FS=y CONFIG_YAFFS_YAFFS1=y # CONFIG_YAFFS_DOES_ECC is not set CONFIG_YAFFS_YAFFS2=y CONFIG_YAFFS_AUTO_YAFFS2=y # CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS=10 # CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set # CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y # NAND Flash Device Drivers CONFIG_MTD_NAND=y # CONFIG_MTD_NAND_VERIFY_WRITE is not set CONFIG_MTD_NAND_ECC_SMC=y CONFIG_MTD_NAND_RB100=y CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # OneNAND Flash Device Drivers # CONFIG_MTD_ONENAND is not set # Memory Technology Devices (MTD) CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set # CONFIG_MTD_CONCAT is not set CONFIG_MTD_PARTITIONS=y CONFIG_MTD_SPLIT_ROOTFS=y # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_MYLOADER_PARTS=y CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y # CONFIG_MTD_JEDECPROBE is not set CONFIG_MTD_GEN_PROBE=y # CONFIG_MTD_CFI_ADV_OPTIONS is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set # CONFIG_MTD_CFI_INTELEXT is not set CONFIG_MTD_CFI_AMDSTD=y CONFIG_MTD_CFI_AMDSTD_FORCE_BOTTOM_BOOT=y # CONFIG_MTD_CFI_STAA is not set CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set # CONFIG_MTD_OBSOLETE_CHIPS is not set CONFIG_MTD_COMPLEX_MAPPINGS=y # CONFIG_MTD_PHYSMAP is not set # CONFIG_MTD_PCI is not set # CONFIG_MTD_PLATRAM is not set CONFIG_MTD_ADM5120=y # Self-contained MTD device drivers # CONFIG_MTD_PMC551 is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set CONFIG_MTD_BLOCK2MTD=y # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set