求助TTL问题

fooltiny

U-Boot 1.1.3 (Jan 14 2010 - 20:32:38)

Board: Ralink APSoC DRAM:  64 MB
relocate_code Pointer at: 8377c000

Set info->start[0]=BF000000
flash_protect ON: from 0xBF000000 to 0xBF022F47
protect on 0
protect on 1
protect on 2
flash_protect ON: from 0xBF030000 to 0xBF03FFFF
protect on 3
*** Warning - bad CRC, using default environment

============================================
Ralink UBoot Version: 3.2
--------------------------------------------
ASIC 3052_MP2 (Port5<->Phy)
DRAM COMPONENT: 256Mbits
DRAM BUS: 32BIT
Total memory: 64 MBytes
Date:Jan 14 2010  Time:20:32:38
============================================
icache: sets:256, ways:4, linesz:32 ,total:32768
dcache: sets:128, ways:4, linesz:32 ,total:16384

##### The CPU freq = 384 MHZ ####

SDRAM bus set to 32 bit
SDRAM size =64 Mbytes

Please choose the operation:
   1: Load system code to SDRAM via TFTP.
   2: Load system code then write to Flash via TFTP.
   3: Boot system code via Flash (default).
   4: Entr boot command line interface.
   9: Load Boot Loader code then write to Flash via TFTP.
0
   
3: System Boot system code via Flash.

eth_register  
Eth0 (10/100-M)
enetvar=ethaddr,Eth addr:00:0C:43:09:26:BB

eth_current->name = Eth0 (10/100-M)

verify is 1
## load addr bf050000 ...
print img header
   Magic:       [00000000]
   CRC:         [00000000]
   Image Name:   
   Created:      1970-01-01   0:00:00 UTC

System Control Status = 0x20440000
   Image Type:   Invalid CPU Invalid OS Invalid Image (uncompressed)
   Data Size:    0 Bytes =  0 kB
   Load Address: 00000000
   Entry Point:  00000000
Bad Magic Number , 00000000
## Booting image at bf050000 ...
sizeof image_header_t is 64
Bad Magic Number,48445230 这是什么意思啊  不能用了么  没出现*** Press any key to stop
auto run (1 seconds) ***