Compile new kernel for 5200B w/ ELDK

Rajasekaran Kaliyaperumal, Chennai rajasekaran.k at
Tue Sep 2 01:40:41 EST 2008

Dear Detlev...
     Am working with PowerPc 8315rdb...and ma using recend version of
the kernel 2.6.26..but I found one problem with RTC m41t11..while trying
to read or set RTC which is already opened while booting itself,,,its
return the error message as resourse busy  with error no 29.. can u help
me to solve this issue,,,
 With Regards

-----Original Message-----
From: at
[ at] On
Behalf Of Detlev Zundel
Sent: Monday, September 01, 2008 8:12 PM
To: linuxppc-embedded at
Subject: Re: Compile new kernel for 5200B w/ ELDK

Hi Albrecht,

> please excuse a probably really dumb question about compiling a new  
> kernel for a Freescale 5200B using the ELDK 4.2...
> I am playing with a Lite5200B eval board.  The software coming from  
> Freescale, including an older kernel (, works fine.
> I installed ELDK 4.2 on a FC box, and first compiled u-boot 1.3.4.   
> Wrote it to flash, and it works nicely afaict.
> Then I compiled the kernel coming with the ELDK, using the  
> commands "make ARCH=powerpc CROSS_COMPILE=ppc_6xx- lite5200_defconfig
> make ARCH=powerpc CROSS_COMPILE=ppc_6xx- uImage".  The kernel loads,  
> decompresses, but then there is no output any more after
> Kernel Image ... OK".  The u-boot environment contains (quoted from  
> printenv) "bootargs=console=ttyPSC0,115200 root=/dev/mtdblock0 rw  
> rootfstype=jffs2 verbose" (and, again, the Freescale kernel is not  
> silent).
> I found a message which stated that I should include
> <snip>
>          chosen {
>                  linux,stdout-path = "/soc5200 at f0000000/serial at 2000";
> 	};
> </snip>
> in the file arch/powerpc/boot/dts/lite5200.dts.  Recompiled, but  
> without success.  I believe it's a minor tweak I need to add, but I  
> don't have a clue what.  Unfortunately neither the wiki nor Google
> answers.  Can anyone enlighten me??

Use a recent kernel version.  2.6.26 should work out of the box without
too much hassle.  Some of the older versions had problems effectively
stalling Linux very early without any output on the console.

Do not put any more effort in such an old kernel.


DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at

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