Subject: Re: TCPA Driver for NetBSD
To: Love <lha@stacken.kth.se>
From: Bill Studenmund <wrstuden@netbsd.org>
List: tech-kern
Date: 12/11/2003 10:39:33
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On Thu, Dec 11, 2003 at 09:24:50AM +0100, Love wrote:
>=20
> Bill Studenmund <wrstuden@NetBSD.org> writes:
>=20
> > Also, I don't know if the ACPI config for the LPC bus indicates what=20
> > ranges it should map, or if the ACPI config for the tcpa has anything t=
hat=20
> > indicages it is behind the LPC bus. ??
>=20
> I looked at this some time ago, I found it on LPC/superio ioport range in
> the ACPI (_CRS) info used by the driver, but never found if there was a
> mapping where the TCPA chip was in the acpi, but I might have missed
> something.

The big question is if the ACPI info tells you how to configure the two=20
"General Purpose" mappings in the LPC? :-)

> The ACPI contains a data-blob that tells that you that there is a ACPI
> chip, but that also doesn't contain any info what ioports the tcpi chip is
> at.
>=20
> /*
> TCPA: Length=3D50, Revision=3D1, Checksum=3D111,
>         OEMID=3DIBM, OEM Table ID=3DTP-1I, OEM Revision=3D0x2022,
>         Creator ID=3DPTL, Creator Revision=3D0x1
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00=20
>  */

I gather that the TCPA chip only showes up in one place??

Take care,

Bill

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