Dear all, Device is a camera connected LAN, camera board CPU is RT5350(based on MIPS) . I have met a problem about uboot. uboot leads to LAN disconnected in the following cases. I have been looking forward to answers. with best wishes
case 1 : when CRC checksum bad 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. 7: Load Boot Loader code then write to Flash via Serial. 9: Load Boot Loader code then write to Flash via TFTP. 0
3: System Boot system code via Flash. ## Booting image at bc050000 ... raspi_read: from:50000 len:40 . Image Name: Linux Kernel Image Created: 2013-03-14 6:22:22 UTC Image Type: MIPS Linux Kernel Image (lzma compressed) Data Size: 3113308 Bytes = 3 MB Load Address: 80000000 Entry Point: 802fb000 raspi_read: from:50040 len:2f815c ................................................ Verifying Checksum ... Bad Data CRC
case 2 when modify parameters spend over 10 seconds
1: System Load Linux to SDRAM via TFTP. Please Input new ones /or Ctrl-C to discard Input device IP (192.168.0.121) ==:192.168.0.121 Input server IP (192.168.0.66) ==:192.168.0.66