[coreboot] [PATCH 2/2] X60: add support for handling EC events in SMM

Stefan Reinauer stefan.reinauer at coreboot.org
Sun Jun 5 03:33:18 CEST 2011

On 6/4/11 10:47 AM, Sven Schnelle wrote:
> could be used for various things if the OS doesn't provide
> ACPI support, or has ACPI disabled. The current patch only
> uses this to enable operation of the backlight hotkeys.
> As the Thinkpad EC doesn't support EC_QUERY on ports 0x1600/0x1604
> and there are no event queue registers in the EC register space,
> we're using 0x62/0x66 as EC I/O ports as long as ACPI is disabled.
> Signed-off-by: Sven Schnelle<svens at stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer at coreboot.org>

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