You could try to see if the kernel hangs but it prints something checking __log_buf. In this way you can try to understand the problem.
Marco Nandini Hengen ha scritto: > Hello, > I have also downloaded U-Boot version u-boot-2009.3 Are any > additional patches for the MPC5200b-tiny necessary? In case of U-Boot 1.2 I > had u-boot-1.2.0.tar.bz2 and u-boot-1.2.0.mpc5200b-tiny-2.tar.gz which added > a patches directory to my main directory. > > A few corrections to my previous email: > a.. I'm using the option ARCH=powerpc and the config and dtb options for > pcm030 which were present in the 2.6.29 Kernel-Sources I downloaded > b.. The modules are basically functional (not toasted as yet ;-) - what I > meant to convey was that the kernel images don't seem to be able to boot and > the original images it shipped with are not there any longer. I can download > a new U-Boot version however. U-Boot 1.2 also seems to recognize the device > tree (pcm030.dtb transfered to 0x600000 and uImage to 0x400000 using tftp). I > get the message "Booting using flat device tree at 0x600000" when I try > booting with "bootm 0x400000 - 0x600000". After that it just hangs. > I've mailed the Oselas.Phytec group - thanks for the tip. > > Did you try one of the kernels generated by our board support package for > this > target? > I tried the kernel image uImage-pcm032-2 from pengutronix (assuming it was > wrapped) and another pcm030 image which I compiled (generated using the 2.6.x > sources on the Kit-CD downloaded from Pengutronix). Both don't seem to work > at the moment. Could you please provide me with some links to suitable > kernels or images for this target which are definitely functional ? I vaguely > remember having read somewhere about the hardware revision number of the > mentioned module not being compatible with some kernels - not too sure about > this. > > > Best regards > > Nandini Hengen > > > > ----- Original Message ----- > From: "Wolfgang Denk" <w...@denx.de> > To: "Nandini Hengen" <nhen...@hengen-ingenieure.de> > Cc: <u-boot@lists.denx.de> > Sent: Wednesday, April 01, 2009 3:53 PM > Subject: Re: [U-Boot] Problem booting image + device tree (MPC5200B) > > >> Dear "Nandini Hengen", >> >> In message <b11fc910abee42fda27a3d279e222...@cerec> you wrote: >>> I currently have a problem with the device tree - the >>> kernel hangs after unpacking and trying to load the device tree. >> ... >>> U-Boot Version 1.2 incl. downloaded patches >> ... >>> combination with U-Boot 1.1.4). I also found a thread which recommended >>> using the newest U-Boot version and loading the dtb file using tftp into >>> RAM >>> separately. Since then I've been using U-Boot 1.2. Until now non of the >>> kernel images generated seem to load (apart from the image the module was >>> originally shipped with) >> Rigth. The U-Boot versions you mntion are way too old to know about >> device tree handling. >> >>> I tried this using two phytec modules - both of which are non-functional at >> Well, and incorrect kernel will not render a board non-functional. >> >>> I'm currently wondering whether to send back the modules to Phytec or >>> compiling a different kernel and device tree would help. >> I recommend to get a recent version of U-Boot running. >> >> Best regards, >> >> Wolfgang Denk >> >> -- >> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel >> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany >> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de >> The night sky over the planet Krikkit is the least interesting sight >> in the entire Universe. >> - Douglas Adams _Life, the Universe, and Everything_ > ____________ > Virus checked by G DATA AntiVirusKit > Version: AVF 19.323 from 30.03.2009 > Virus news: www.antiviruslab.com > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
