Hi Geert,
Is it possible to detect the presence of Atari ROM port adapters?
That depends - what happens if you read from the ROM port with nothing attached? I'll have to try. From memory, when I accidentially disconnected the ROM port adapter, the EtherNEC module just got stuck and required a reload. No kernel panic or other errors (tx timeouts aside). So I guess a simple read test is not going to cut it. I'm not sure whether we can use ARAnyM to check this - should accessing an empty ROM port generate a kernel bus error, and will ARAnyM do this? Petr?
Something akin to the ISA ethercard probe should work, though. Is there some way to explicitly test for presence of _any_ ISA card in a given slot, or at a given IO address?
Currently a kernel with support for multiple ISA types cannot use Atari ROM port ISA, as arch/m68k/kernel/setup.c has no support to set isa_type dynamically if MULTI_ISA is defined.
The conflict is with Q40, right? Do these boxes also have a ROM port? Otherwise we could fix that by using something from the bootinfo, or make it depend on the precise kind of Atari model detected in atari/config.c ...
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