我的demo板上的nand是128M的，但是内核起来后发现空间大小不正确，只有60M，请问什么原因？
root@tci6614-evm:~# df -h
Filesystem Size Used Available Use% Mounted on
ubi0:rootfs 60.9M 42.9M 18.0M 70% /
none 1.0M 104.0K 920.0K 10% /dev
tmpfs 16.0M 224.0K 15.8M 1% /var/volatile
tmpfs 187.5M 0 187.5M 0% /dev/shm
tmpfs 16.0M 0 16.0M 0% /media/ram
root@tci6614-evm:~# reboot
boot 参数里设置如下：
Hit any key to stop autoboot: 0
TCI6614 EVM # pri
baudrate=115200
bootargs=console=ttyS0,115200n8 mem=384M rootwait=1 rootfstype=ubifs root=ubi0:rootfs rootflags=sync rw ubi.mtd=2,2048
bootcmd=ubi part ubifs; ubifsmount boot; ubifsload 0xb0000000 uImage; ubifsload 0xa8000200 tci6614-evm.dtb; bootm 0xb0000000 - 0xa8000200
bootdelay=3
bootfile=tci6614-evm-ubifs.ubi
ethact=TCI6614-EMAC
fileaddr=B0000000
filesize=3C60000
ipaddr=192.168.1.222
mtddevname=bootloader
mtddevnum=0
mtdids=nand0=davinci_nand.0
mtdparts=mtdparts=davinci_nand.0:1024k(bootloader),512k(params)ro,129536k(ubifs)
no_post=1
partition=nand0,0
serverip=192.168.1.189
stderr=serial
stdin=serial
stdout=serial
ver=U-Boot 2011.06-02.01.00.01-svn (Sep 22 2013 - 13:25:25)
