[coreboot] [PATCH] inteltool: i965, i975, ICH8M and Darwin support.

[Stefan Reinauer]

Hi Andriy,

excellent! This made me add the long overdue register descriptions for
the PMBASE area to the patch, which I can use very well for the project
I'm working on.

Attached is a new patch that should solve the issues the right way.



Andriy Gapon wrote:
> From publicly available ICH9 spec (I guess ICH8 is the same here):
>
> <quote>
> LV2 — Level 2 Register
> I/O Address: PMBASE + 14h
> ...
> Reads to this register return all 0s, writes to this register have no
> effect. Reads to this
> register generate a “enter a level 2 power state” (C2) to the clock
> control logic. This will
> cause the STPCLK# signal to go active, and stay active until a break
> event occurs.
> Throttling (due either to THTL_EN or FORCE_THTL) will be ignored.
> ...
> NOTE: This register should not be used by IA-64 processors or systems
> with more than 1 logical
>       processor, unless appropriate semaphoring software has been put in
> place to ensure that
>       all threads/processors are ready for the C2 state when the read to
> this register occurs.
> </quote>
>
> The subsequent byte registers are LV3, LV4, LV5 and for mobile version
> LV6 intended for entering C3, C4, C5 and C6 states.
>
>   


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