求助：乐视进控制台打开串口方法

Error

乐视超3花屏，如何进控制台打开串口？


AC_ON
MIU0_DQS-OK
MIU1_DQS-OK
MIU2_DQS-OK
BIST0-OK
BIST1-OK
BIST2-OK
_U_WDT
Relocation Offset is: 00900000
[AT][MB][start ub][324]

U-Boot 2011.06-00000-ga4b4f07-dirty (Jan 12 2017 - 03:06:43)


[MIU INFO] miu opencreate instance at 57d75020 with private size 80 bytes at 57d75068
create instance at 57d750c0 with private size 52 bytes at 57d75108
AC on

uboot held at [579ddf60~59300000],size=019220a0
CPU  : Monaco
Board: BD_MST068D_10AHP_14222
DRAM:  915 MiB
Now running in RAM - U-Boot at: 58400000

eMMC: HS400 200MHz
eMMC 7.28 GB [E8FFF8h]

UART BUS OFF!!?

Error

开机画面正常，几秒钟后花屏

Error

读取用户区数据只完成了一部分，报错，





保存的文件信息：

Error

不能完整读出，是不是EMMC有问题？如果换空片EMMC，把这个备份写入可以吗？