PQ2FADS-ZU u-boot serial issue

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PQ2FADS-ZU u-boot serial issue

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besoc
Contributor II

Hi,

I am having a problem while trying to communicate with u-boot using serial RS232.

I am using putty to communicate with Freescale PQ2FADS-ZU on which i successfully flashed u-boot.

When the board boots up and u-boot shows its intial configuration and then the command line prompts appear, however before i am able to type any u-boot commandline commands the letter 's' is automatically sent a number of times , and perhaps thats what hangs up u-boot and it refuses to take any further commands. I am attaching a picture. Require your help. Stuck on this for days.

Regards,

David

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ufedor
NXP Employee
NXP Employee

Please check the RS232 interface RXD and CTS activity.

Try to disconnect the RXD from the PQ2FADS-ZU internals.

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