From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Gehrlein <sew_s@tqs.de>
Date: Thu, 15 May 2008 08:44:24 +0200
Subject: [U-Boot-Users] Loading a kernel on MX31ADS using U-boot
In-Reply-To: <209131.47056.qm@web51011.mail.re2.yahoo.com>
References: <209131.47056.qm@web51011.mail.re2.yahoo.com>
Message-ID: <482BDBC8.6080103@tqs.de>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

Hi Fabio,

Fabio Estevam schrieb:
> Hi Jens,
> 
> Have you tried to pass the "jtag=on" option into the kernel command line?

Yippee! This works.
Thank you very much for this hint!
Where is this parameter documented? I didn't found anything in 
linux/Documentation or with google.

...

>> Apart from that, verify that your console=
>>> command line parameter is correct, your machine ID
>> matches, and that you 
>>> don't have a jtag debugger like bdi2000 connected
>> when you're trying to 
>>> boot.
>> I have the same problem on our board: I don't see the
>> console outputs if 
>> the BDI2000 cable is connected to the target, although the
>> BDI is in 
>> mode "reset run". Do have an idea why?


Best Regards,
Jens