求助板子开不开机了，镜像也烧写不上了

1020165558

U-Boot 2010.03 (Apr 24 2014 - 18:39:35) for iTOP-4412 Android

        APLL = 1000MHz, MPLL = 800MHz
        ARM_CLOCK = 1000MHz
PMIC:   S5M8767(VER5.0)
Board:  iTOP-4412
DRAM:    1 GB
MMC:   max_emmc_clock:40 MHZ
Set CLK to 400 KHz
EMMC CLOCK OUTPUT:: 400KHz -[div:50]
response timeout error : 00000104 cmd 8
response timeout error : 00000104 cmd 55
max_emmc_clock:40 MHZ
Input CLK [ 50 MHz] is higher than limit [40 MHZ]
Set CLK to 40000 KHz
EMMC clock output: 40000 KHz
max_emmc_clock:40 MHZ
Input CLK [ 50 MHz] is higher than limit [40 MHZ]
Set CLK to 40000 KHz
EMMC clock output: 40000 KHz
MMC0:   3728 MB
SD sclk_mmc is 400K HZ
SD sclk_mmc is 50000K HZ
SD sclk_mmc is 50000K HZ
MMC1:   7384 MB
*** Warning - using default environment

In:    serial
Out:   serial
Err:   serial
Undefined booting mode
Hit any key to stop autoboot:  0
Unknown command 'onenand' - try 'help'
Unknown command 'onenand' - try 'help'
Wrong Image Format for bootm command
ERROR: can't get kernel image!
iTOP-4412 #

topeet_sky

看你的log：Undefined booting mode，是拨码开关没有设置对，请检查下拨码开关吧

1020165558

问题已解决，长按复位键复位一下电源就行了

TOPEET_Sun

没有复位吧