Hi Geert, >>> Being on the Zorro II bus (first 16 MiB), it's slow on most machines and >>> doesn't >>> support RMW cycles (needed for page tables) on Zorro III-capable machines. >>> In general, we don't use Z2 RAM as system memory on Z3 capable machines. >> >> But is its physical address lower than the kernel segment's, as in this case? > > Yes, Zorro II space is the first 16 MiB.
Thanks, so there would be a similar situation where Z2 RAM would not be accessible to mem_init on Amiga. > But it's handled completely separately from system RAM. > Its mapping is set up in mmu_init_amiga() in head.S. Looks like we may need to do the same for the TT then. Cheers, Michael -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
