On Mon, 28 Oct 2019, Kars de Jong wrote:
Also, someone once tested this on his A1200 which had a 68030 and I believe it broke. Something about ioremap() not accepting physical addresses that were already mapped by a fixed mapping (Zorro II address space).
Interesting! On my to-do list is a task to investigate the reason why
commit bb6ef7d1e8a6 ("m68k/mac: Don't remap SWIM MMIO region") was needed.
I think you may have put your finger on that reason...
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