Android5.1.1 on IMX6Q and IMX6DL debug console uart RX can't recevie data

[yangguang]

I use mfgtools downlode android5.1.1 to freecale official imx6q development board,debug console use uart1(ttymxc0) ,when I started the development board ,I found the development board uart1 tx is ok,but rx can't work normal.Details as follows, i use pc serial tools connect the development board ,start the development board,when it enter uboot,i enter pc keyboard  any buttons ,the uboot command line can recive the data,this can prove uart hardware is good,when the development board enter the android systerm,,i enter pc keyboard  any buttons,the linux kernel command line can't recive the data.I want use the kernel command line test something,but why the uart rx isn't ok?

[BiyongSUN · Accepted solution]

This is  a question of android which can be found in http://source.android.com/devices/tech/security/selinux/ and https://source.android.com/devices/tech/security/verifiedboot/index.html, but NXP still give answer in the user guide.

Android_User's_Guide.pdf

Android_Quick_Start_Guide.pdf

[Yuri]

Hello,

  Please use the ADB ; refer to sections 3 (How do I use ADB over Ethernet?) 
and 4 (How do I set up a computer to support ADB?) of "Android_Frequently_Asked_Questions.pdf"

from NXP Android documentation.

Have a great day,
Yuri

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