串口问题啊······

pcgreat

ser串口连接上去  之后输出显示一直报错········内容如下····求解释·····

Loading the runtime image...
ALOM - POST run incomplete previously, no POST this time

ALOM BOOTMON v1.6.4
ALOM Build Release: 002
Reset register: e8000000 EHRS ESRS LLRS CSRS


Check for Handshake


Returned from Boot Monitor and Handshake



Loading the runtime image...
ALOM - POST run incomplete previously, no POST this time

ALOM BOOTMON v1.6.4
ALOM Build Release: 002
Reset register: e8000000 EHRS ESRS LLRS CSRS


Check for Handshake


Returned from Boot Monitor and Handshake



Loading the runtime image...
ALOM - POST run incomplete previously, no POST this time

ALOM BOOTMON v1.6.4
ALOM Build Release: 002
Reset register: e8000000 EHRS ESRS LLRS CSRS


Check for Handshake


Returned from Boot Monitor and Handshake



Loading the runtime image...