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 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