compiling 2.4.0 for IBM405CR problem

Hi,

while building a kernel from the MontaVista sources (2.4.0) for the IBM405CR I got these undefined references:

arch/ppc/kernel/kernel.o: In function `time_init':
/home/matthias/canbtgw/linux/linux_01.02.16/arch/ppc/kernel/time.c:326:
undefined reference to `isa_io_base' /home/matthias/canbtgw/linux/linux_01.02.16/arch/ppc/kernel/time.c:326:
undefined reference to `isa_mem_base' /home/matthias/canbtgw/linux/linux_01.02.16/arch/ppc/kernel/time.c:326:
undefined reference to `pci_dram_offset'
make: *** [vmlinux] Error
1

What can I do ?

Matthias
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