2.6.25-rc3 on mpc8548amc doesn't boot

[maxime louvel]

Hi again,

I am answering my self sorry for the spam...
Just to say that my problem has been solve if someone has something
similar...
My changes were good, I just didn't compile the good file...

cheers,
Maxime

On Wed, Feb 27, 2008 at 12:37 PM, maxime louvel <m.louvel at gmail.com> wrote:

> Hi,
>
> I am still trying to make a 2.6.25-rc3 vanilla kernel boot (an work fine
> in a second time) on a mpc8548amc board.
> I have add the platform specific stuff from the sources of the current
> kernel running on the cards.
> What I have basically add is:
> - arch/powerpc/platforms/85xx/mpc85xx_amc.c
> - arch/powerpc/boot/dts/mpc8548amc.dts
> I have also changed the Kconfig and Makefile in the
> arch/powerpc/platforms/85xx to make the kernel try to support my board
>
> I have encountered some problem when compiling a uImage that I have
> basically solve like this (in arch/powerpc/boot/Makefile)
> #$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
> #$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
> #$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
> #$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
> #$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
>
> I have a gcc-3.4.3 embedded compiler with some stuff specific to the
> platform.
>
> After the previous hack, I have been able to compile a uImage.
>
> I have tried to boot it and this is what I got:
> AMC=> bootm 0x1000000
> ## Booting image at 01000000 ...
>   Image Name:   Linux-2.6.24
>   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>   Data Size:    1802038 Bytes =  1.7 MB
>   Load Address: 00000000
>   Entry Point:  00000000
>   Verifying Checksum ... OK
>   Uncompressing Kernel Image ... OK
>
> No further messages...
>
> I have recently updated the uboot of the cards (to support the new image
> version) and I am capable of booting a 2.6.23.6 image.
> This last image has been compiled from a vanilla kernel where I have add
> the platform specific stuff (cf beginning of this mail).
>
> Since my 2.6.23.6 image works fine, I have tried to adapt the file I have
> added to the 2.6.25-rc3 kernel.
>
> I have made some changes in the arch/powerpc/platforms/85xx/mpc85xx_amc.c
> file and in the mpc8548amc.dts file.
> I have attached the changes I have done on both files.
>
> Do you have an idea ?
>
> cheers,
> Maxime
>
> --
> Maxime Louvel
> 0044 7964 5555 80
> 43 Allen road
> Whitemore reans
> WV60AW Wolverhampton
> United Kingdom




-- 
Maxime Louvel
0044 7964 5555 80
43 Allen road
Whitemore reans
WV60AW Wolverhampton
United Kingdom
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