使用mkfs.jffs2

mkyaffsimage->

./mkyaffs2image rootfs yaffs2-root.img 3 4

1200000<->10603a0(hex)

mount -t yaffs2 /dev/mtdblock2 /home/wpp

top

nand 1G+3G=4G

fdisk&disk -l & df

driver/mtd/nand/<->kernel panic

spi<-> nand

nand_base.c/ids

OOB/ECC