ws-64:/home/qi/jlime# usbboot -c "nprog 0 openwrt-xburst-qi_lb60-u-boot.bin 0 0 -n" usbboot - Ingenic XBurst USB Boot Utility (c) 2009 Ingenic Semiconductor Inc., Qi Hardware Inc., Xiangfu Liu, Marek Lindner This program is Free Software and comes with ABSOLUTELY NO WARRANTY. Now checking whether all configure args valid: YES Current device setup information: Crystal work at 12MHz, the CCLK up to 252MHz and PMH_CLK up to 84MHz SDRAM Total size is 32 MB, work in 4 bank and 16 bit mode Nand page per block 128, Nand page size 4096, ECC offset in OOB 12, bad block offset in OOB 0, bad block page 127, use 1 plane mode Execute command: nprog 0 openwrt-xburst-qi_lb60-u-boot.bin 0 0 -n Programing No.0 device, flen 452136, start page 0... CPU data: Boot4740 Erasing No.0 device No.0 flash (start_blk 0 blk_num 1)...... Finish! Return: 80 00 00 00 00 00 00 00 (position 1) Force erase, no bad block infomation! Size to send 452136, transfer_size 524288 Image type : without oob It will cause 1 times buffer transfer. Writing NAND page 0 len 454656... CPU data: Boot4740 Finish! (len 454656 start_page 0 page_num 111) Checking 454656 bytes... Comparing 454656 bytes - FAIL at off 2048, wrote 0x0, read 0xff off 2040 write: 00 00 45 a0 ff 00 c6 30 00 00 43 a0 ff 00 e7 30 off 2040 read: 00 00 45 a0 ff 00 c6 30 ff ff 00 00 00 ff e8 ae End at Page: 111