Thanks for yours advices Scott and Clemens i'll read the docs given Best regards
2007/11/30, Clemens Koller <[EMAIL PROTECTED]>: > fabien schrieb: > > hi all, > > > > After some problem with my custom board and kernel 2.6.19 about the > > init process, i've moved > > on 2.6.23 and that had fixed my problems. (related to this post : > > http://marc.info/?l=linuxppc-embedded&m=119609022221017&w=2) > > Apparently it was a problem with cpm_uart on SMC1. > > (http://lkml.org/lkml/2007/9/23/99) > > the patch have been integrated in 2.6.23. Now i use this kernel and > > busybox works. > > I want to migrated my board in powerpc branch instead of ppc (i plan > > to use xenomai but in 2.6.23 > > there is only an adeos patch for piowerpc branch), but i see the use > > of a device tree > > instead of bd_t struct. I'm a bit disappointed because i also see that > > older u-boot (in my case > > ppcboot 1.1.5) aren't capable to pass dts to kernel. > > Is there a way to keep my old bootloader to boot a powerpc branch kernel ? > > please read linux/Documentation/powerpc/booting-without-of.txt > > To get a cuImage, you > - need to adjust your <platform>.dts and configure your kernel to use it. > - need the latest dtc (device tree compiler), > - need the latest mkimage (from the latest u-boot tree) > - and build your cuImage by building the target zImage (make zImage) > -> your cuImage then rests in i.e. arch/powerpc/boot/cuImage.<platform> > > Aside of no good documentation, I ran into the problem that the > embedded device tree doesn't get updated by the bd_t struct properly > (the mac addresses) in the latest versions of the kernel. This might be > a bug or a configuration error on my side. I didn't check yet. > U-Boot with full device tree support will hopfully fix that, when it's > out. > > Regards, > > -- > Clemens Koller > __________________________________ > R&D Imaging Devices > Anagramm GmbH > Rupert-Mayer-Straße 45/1 > Linhof Werksgelände > D-81379 München > Tel.089-741518-50 > Fax 089-741518-19 > http://www.anagramm-technology.com > > _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
