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| 程序应该已经是成功下载,但在运行不了,调试信息如下: #####    Boot for Nand Flash Main Menu  #####
 [1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
 [2] Download Eboot to Nand Flash
 [3] Download Linux Kernel to Nand Flash
 [5] Download CRAMFS image to Nand Flash
 [6] Download YAFFS image 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
 [r] Reboot u-boot
 [t] Test Linux Image (zImage)
 [q] quit from menu
 Enter your selection: 7
 USB host is connected. Waiting a download.
 
 Now, Downloading [ADDRESS:c000000h,TOTAL:553578]
 RECEIVED FILE SIZE:  553578 (540KB/S, 1S)
 ## Starting application at 0x0C000000 ...
 *** Warning - bad CRC or NAND, using default environment
 
 ##### EmbedSky BIOS for SKY2440/TQ2440 #####
 Press Space key to Download Mode !
 请问这是什么问题?如何解决?
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