I did some parts of the task, but not complete. 

http://youtu.be/9CxfKfjykz4
https://elinux.org/images/b/b2/Netconsole.pdf 



> On Oct 30, 2018, at 10:49 AM, Robert Nelson <[email protected]> wrote:
> 
>> On Tue, Oct 30, 2018 at 9:10 AM <[email protected]> wrote:
>> 
>> Hello:
>> 
>> Thanks for the valuable response.
>> 
>> In my case I had created only BOOT partition on my SD Card and I copied the 
>> MLO, U-boot.img and uEnv.txt files.
>> 
>> the content in the uEnv.txt is as follows:
>> 
>> 
>> uenvcmd=setenv bootargs console=ttyUSB0,115200n8 console=${console}
>> echo *** Booting To Baremetal_1 ***
>> 
>> 
>> Before applying USB power to BBB, SD card is inserted and I pressed and hold 
>> the Switch-2 to boot from SD Card.
>> 
>> But there is no response from the board at USB0 port.
>> 
>> 
>> Is it problem with uEnv.txt file.?
>> 
>> Are there required for any changes.?
> 
> Plug in a usb serial adapter into the j1 debug port.. did u-boot
> actually do what you expected?
> 
> Regards,
> 
> -- 
> Robert Nelson
> https://rcn-ee.com/
> 
> -- 
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