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From: abhi_linux <seema.pm@gmail.com>
To: linuxppc-embedded@ozlabs.org
Subject: Re: 2.6 kernel hangs after loading device tree
Date: Mon, 19 Nov 2007 16:08:03 -0800 (PST)	[thread overview]
Message-ID: <13848328.post@talk.nabble.com> (raw)
In-Reply-To: <fa84b3da0708290938l40d8f543oc0e34fa9bea806a4@mail.gmail.com>


Hello
Did u get a solution to this? I have similar issues. How do u enable
debugging in UBoot?
Thanks

charanya venkatraman wrote:
> 
> Hi all
>        Sorry about the previous mail.Got sent  by mistake.
> 
> Iam using the 2.6.22.5 kernel on MPC 8560 and MPC8540 on my custom
> board.Mykernel hangs after loading the device tree in both the
> processors .There is
> no output on the serial port after loading the device tree.Am using U-boot
> 1.2.0 as the bootloader.After enabling debug in u-boot i could see that
> the
> control is getting transferred to the kernel after which it hangs.Earlier
> i
> tried using 2.6.21 which also hangs at the same point.The config files
> used
> were MPC8540ADS_defconfig and MPC8560ADS_defconfig under powerpc
> directory.
> The changes that were made to the device tree are:
> 1.The reg and ranges properties of the soc node have been changed to
> account
> for the change in CCSRBAR of my board.
> 2.Removed the PCI,mdio nodes and ethernet nodes since i dont need support
> for these as of now.
> 
> I have tried the following console arguments:
> MPC8540: bootargs root=/dev/ram rw console=ttyS0,115200
> MPC8560:bootargs root=/dev/ram rw console=ttyCPM0,115200
> 
> Any help on this issue??
> 
> Thanks.
> Charanya.
> 
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> 

-- 
View this message in context: http://www.nabble.com/2.6-kernel-hangs-after-loading-device-tree-tf4348921.html#a13848328
Sent from the linuxppc-embedded mailing list archive at Nabble.com.

  reply	other threads:[~2007-11-20  0:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-29 16:38 2.6 kernel hangs after loading device tree charanya venkatraman
2007-11-20  0:08 ` abhi_linux [this message]
2007-11-20 11:08   ` Clemens Koller
  -- strict thread matches above, loose matches on Subject: below --
2007-11-20 18:59 charanya venkatraman
2007-08-29 16:14 charanya venkatraman

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