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

Keith Hui buurin at gmail.com
Mon Apr 5 05:06:45 CEST 2010


On Sun, Mar 28, 2010 at 10:43 PM, Keith Hui <buurin at gmail.com> wrote:
> The attached patch adds code required for initializing the ACPI/power
> management/SMBus subdevice of PIIX4.
> 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. This support is far from complete, but one step at a
> time.
> I was thinking to ask if someone know where to set this I/O base
> address, and turns out no initialization whatsoever was being done.
> :-O
> Enjoy.
> Signed-off-by: Keith Hui <buurin at gmail.com>

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