Re: S5 Powerdown problem on TX150 servers

[Ducrot Bruno <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>]

On Tue, Sep 16, 2003 at 02:50:19PM +0100, Andrew de Quincey wrote:
> 
> > Ok.  But trouble: you have at first write the desired sleep type,
> > then set SLP_EN.  Not the two at the same time.
> 
> Yup, its doing that as well. Heres a quick summary of what it does:
> 
> Clears any wake status
> Disable BM arbitration
> 
> Get current value of PM1A control (and store two copies in variables 
> PM1AControl, PM1BControl)
> 
> Clear SLP_EN and SLP_TYP fields in the above variables
> Insert the SLP_TYP bits in each variable.
> 
> Store PM1AControl into ACPI PM1A
> Store PM1BControl into ACPI PM1B
> 
> Insert the SLP_ENABLE bit in PM1AControl, PM1BControl
> Flush the CPU cache
> Store PM1AControl into ACPI PM1A
> Store PM1BControl into ACPI PM1B
> 
> At this point the machine should be in S5, but appears to be in S1.
> 
> Prior to all this, it has called the _PTS and _GTS (if present) methods as it 
> should.
> 
> 
> Should I try masking off the SLP_TYP bits when the second write to PM1A/PM1B 
> occurs?

No.  But, what contain the _S5 in the asl?  What kind of southbridge
you have?

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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