From mboxrd@z Thu Jan  1 00:00:00 1970
From: Giuseppe Modugno <giuseppe.modugno@gmail.com>
Date: Thu, 01 Dec 2011 20:45:58 +0100
Subject: [U-Boot] Store ENTER ('\r') character in bootstopkey variable
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To: u-boot@lists.denx.de

I'd like to use the ENTER key to stop autoboot through the variables 
"bootdelaykey" and "bootstopkey".  How could I do this?

The problem is to type escape characters ('\r') on the prompt line.  I 
tried with several possibilities, but nothing worked.

Any suggestions?