James Simmons wrote: > > > > > The mips_io_port_base is 0xa0000000. Whereas the i8259 chip is at > > > > 0xb0000000. The 0xa000000 value could be wrong. I will give it a try. > > > > > > As your board must have RAM at physical address zero 0xa0000000 is almost > > > certainly a wrong value. > > > > Your right. The address of 0xb000000 is bogus. This is the value from the > > old code. I will migrate the code over to the i8259.c stuff now. Thanks. > > Actually looking threw other mips branches now I see what the 0xb000000 > is. It is the isa_port_base. > You are probably referring to isa_slot_offset? isa_slot_offset is an obselete garbage. Can someone do Ralf's a favor and send him a patch to get rid of it (as if he can't do it himself :-0) ? Jun