[LinuxBIOS] r2489 - trunk/LinuxBIOSv2/util/flashrom
segher at kernel.crashing.org
Sun Nov 5 22:06:00 CET 2006
> + /* 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
> + (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.
More information about the coreboot