Now checking whether all configure args valid: YES Current device information: CPU type is Ingenic XBurst Jz4740 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 usbboot :> boot CPU data: JZ4740V1 CPU not yet booted, now booting... Loading stage1 from '/usr/local/share/xburst-tools/xburst_stage1.bin' Download stage 1 program and execute at 0x80002000 CPU data: JZ4740V1 Loading stage2 from '/usr/local/share/xburst-tools/xburst_stage2.bin' Download stage 2 program and execute at 0x81c00000 CPU data: JZ4740V1 Error - can't retrieve XBurst CPU information: -110 usbboot :>