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本帖最后由 wjzh223 于 2011-11-22 19:25 编辑
先谢谢了。用上述方法串口信息
*** Warning - bad CRC or NAND, using default environment
##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !
##### Boot for Nor Flash Main Menu #####
##### EmbedSky USB download mode #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand Flash
[l] Set LCD Parameters
[n] Enter TFTP download mode menu
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection: n
##### Boot for Nor Flash Main Menu #####
##### EmbedSky TFTP download mode #####
[1] Download u-boot.bin to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[4] Download stepldr.nb1 to Nand Flash
[5] Set TFTP parameters(PC IP,TQ2440 IP,Mask IP...)
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand Flash
[l] Set LCD Parameters
[o] Download u-boot to Nor Flash
[p] Test network (TQ2440 Ping PC's IP)
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] Return main Menu
Enter your selection: 7
Enter downloads to SDRAM address:
0x30000000
Enter program name:
TQ2440.bin
tftp 0x30000000 TQ2440.bin
dm9000 i/o: 0x20000300, id: 0x90000a46
MAC: 0a:1b:2c:3d:4e:5f
TFTP from server 192.168.1.8; our IP address is 192.168.1.6
Filename 'TQ2440.bin'.
Load address: 0x30000000
Loading: checksum bad
checksum bad
checksum bad
checksum bad
checksum bad
checksum bad
checksum bad
checksum bad
checksum bad
T checksum bad
checksum bad
#checksum bad
##############################
done
Bytes transferred = 444480 (6c840 hex)
## Starting application at 0x30000000 ...
*** Warning - bad CRC or NAND, using default environment
##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !
##### Boot for Nor Flash Main Menu #####
##### EmbedSky USB download mode #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand Flash
[l] Set LCD Parameters
[n] Enter TFTP download mode menu
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection:
屏幕闪了一下,就自动重启了。接着求解。。。(TQ2440.bin为光盘中自带程序。) |
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