Re: [coreboot] PATCH: Add code to initialize PIIX4 ACPI/PM/SMBus device

[Myles Watson]

> On 3/29/10 4:43 AM, Keith Hui wrote:
> > This is required for properly placing the I/O ports for power
> > management functionalities, which in turn will be required for future
> > ACPI work. Speaking of which, I based these ports at 0xe400, after my
> > P2B-LS board.
>
> That is problematic. Can you put it below 0x1000? IO ports 0x1000 and
> above are maintained by the register allocator and thus there may be
> conflicts, depending on what PCI cards you plug into that system.

As long as they are fixed resources, it should just work, but nothing above
0xe400 will be available for the allocator.  It doesn't seem like too much
address space lost, though.

Thanks,
Myles