> + /* Set bit 9: 1-Meg Extended BIOS Enable (PCI master accesses to > + FFF00000-FFF7FFFF are forwarded to ISA). > + Set bit 7: Extended BIOS Enable (PCI master accesses to > + FFF80000-FFFDFFFF are forwarded to ISA). > + Set bit 6: Lower BIOS Enable (PCI master, or ISA master > accesses to > + the lower 64-Kbyte BIOS block (E00000 EFFFF) > at the top > + of 1 Mbyte, or the aliases at the top of 4 > Gbyte > + (FFFE0000-FFFEFFF) result in the generation > of BIOSCS#.
One more thing, you might want to add a comment to say that accesses to the 64kB @ f00000 and it's alias are always forwarded to the ISA bus. Segher -- linuxbios mailing list [email protected] http://www.openbios.org/mailman/listinfo/linuxbios
