移植到imx233的开发板上，提示找不到命令，咋办啊？？
输出调试信息如下：
PowerPrep start initialize power...
Battery Voltage = 1.12V
No battery or bad battery detected!!!.Disabling battery voltage measurements./r/nJul 24 201107:56:44
EMI_CTRL 0x1C084040
FRAC 0x92926152
init_ddr_mt46v32m16_133Mhz
power 0x00820710
Frac 0x92926152
start change cpu freq
hbus 0x00000003
cpu 0x00010002
U-Boot 2011.06 (Jul 28 2011 - 12:53:43)
U-Boot code: 41008000 -> 410259B4 BSS: -> 4102B740
monitor len: 00023740
ramsize: 02000000
TLB table at: 41ff0000
Top of RAM usable for U-Boot at: 41ff0000
Reserving 141k for U-Boot at: 41fcc000
Reserving 320k for malloc() at: 41f7c000
Reserving 24 Bytes for Board Info at: 41f7bfe8
Reserving 120 Bytes for Global Data at: 41f7bf70
New Stack Pointer is: 41f7bf60
RAM Configuration:
Bank #0: 40000000 32 MiB
relocation Offset is: 00fc4000
monitor flash len: 00021774
Now running in RAM - U-Boot at: 41fcc000
Using default environment
Destroy Hash Table: 41025ed0 table = (null)
Create Hash Table: N=90
INSERT: table 41025ed0, filled 1/97 rv 41f7c140 ==> name="bootargs" value="console=ttyAM0,115200n8 root=/dev/ram0"
INSERT: table 41025ed0, filled 2/97 rv 41f7c2b4 ==> name="bootcmd" value="bootm 40000100"
INSERT: table 41025ed0, filled 3/97 rv 41f7c2e4 ==> name="bootdelay" value="2"
INSERT: table 41025ed0, filled 4/97 rv 41f7c194 ==> name="baudrate" value="115200"
INSERT: table 41025ed0, filled 5/97 rv 41f7c56c ==> name="ethaddr" value=""01:01:07:23:02:02""
INSERT: table 41025ed0, filled 6/97 rv 41f7c170 ==> name="ipaddr" value="192.168.189.30"
INSERT: table 41025ed0, filled 7/97 rv 41f7c548 ==> name="serverip" value="192.168.189.73"
INSERT: table 41025ed0, filled 8/97 rv 41f7c344 ==> name="netmask" value="255.255.255.0"
INSERT: table 41025ed0, filled 9/97 rv 41f7c230 ==> name="bootfile" value=""uImage""
INSERT: free(data = 41f7c008)
INSERT: done
In: serial
Out: serial
Err: serial
### main_loop entered: bootdelay=2
### main_loop: bootcmd="bootm 40000100"
Hit any key to stop autoboot: 0
In function run_command()
In function find_cmd()
__my_start_test=0xe3a02000
&__my_start_test=0x0
__my_u_boot_start=0xe3a02000