[U-Boot] Auto-booting problem

[paras]

Hi all,
I am working on MPC8313erdb board. I configure U-Boot 1.3.0 for my board,
But the problem is on auto-boot.
When I start the board it stop on command prompt of u-boot.
Please help me to solve this problem.
The list of environment variables are given below.

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 U-Boot 1.3.0 (May 15 2009 - 11:35:09) MPC83XX

Reset Status: Software Hard, External/Internal Soft, External/Internal Hard

CPU:   e300c3, MPC8313E, Rev: 10 at 333.333 MHz, CSB:  166 MHz
Board: Freescale MPC8313ERDB
I2C:   ready
DRAM:  128 MB
FLASH:  8 MB
NAND:  32 MiB
In:    serial
Out:   serial
Err:   serial
Net:   TSEC0, TSEC1 [PRIME]
=> printenv
ramboot=setenv rootdev /dev/ram;run setbootargs;tftp $ramdiskaddr
$ramdiskfile;tftp $loadaddr $bootfile;tftp $fdtaddr $fdtfile;bootm $loadaddr
$ramdiskaddr $fdtaddr
nfsboot=setenv rootdev /dev/nfs;run setbootargs;run setipargs;tftp $loadaddr
$bootfile;tftp $fdtaddr $fdtfile;bootm $loadaddr - $fdtaddr
baudrate=115200
loads_echo=1
ethaddr=00:E0:0C:00:95:01
eth1addr=00:E0:0C:00:95:02
rootpath=/nfs/root/path
hostname=mpc8313erdb
bootfile=uImage
loadaddr=200000
netdev=eth1
ethprime=TSEC1
uboot=u-boot.bin
tftpflash=tftpboot $loadaddr $uboot; protect off 0xFE000000 +$filesize;
erase 0xFE000000 +$filesize; cp.b $loadaddr 0xFE000000 $filesize; protect on
0xFE000000 +$filesize; cmp.b $e
fdtaddr=400000
fdtfile=mpc8313erdb.dtb
console=ttyS0
setbootargs=setenv bootargs root=$rootdev rw console=$console,$baudrate
$othbootargs
setipargs=setenv bootargs nfsroot=$serverip:$rootpath
ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off root=$rootdev
rw console=$console,$baudrate $othbootargs
filesize=490000
fileaddr=100000
gatewayip=10.0.0.1
netmask=255.0.0.0
bootargs=root=/dev/mtdblock6 rootfstype=jffs2 rw console=ttyS0,115200
bootcmd=cp.b fe710000 40000 11000; go 40004; bootm fe100000 - fe700000
stdin=serial
stdout=serial
stderr=serial
ethact=TSEC1

Environment size: 1334/8188 bytes
=>

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Thank in advance.