Re: [tpmdd-devel] [ANNOUNCE] 1.2 tpm driver

[Steve T. <sr...@cs...>]

The code in the new driver looks good, but unfortunately, it doesn't
work for me.  I had looked before, and have now verified with updated
ACPI tools, and the TPM in this system (an Intel D945GTP motherboard)
isn't registered as a distinct device in the ACPI device table.  The
memory range for the TPM is part of the memory range reserved for the
I/O controller (device IOCM), but there's no entry for the TPM itself.

I see that there's a BIOS update on Intel's web site, so I'll try
that, but do you have any other ideas?

Incidentally, please do go back and look through the tpm.c patches
that I submitted -- the bugs with the bitmask handling are still there
(and why is this there anyway?  Is it really possible for a system to
have more than one TPM?).

--

Steve



On Mon, 12 Sep 2005, Kylene Jo Hall wrote:

> Hello-
>
> I just wanted to make you all aware that I have uploaded a 1.2 TPM
> device driver into cvs (note anonymous cvs could take a few hours to
> update).  The driver still has a ways to go before being LKML ready but
> I wanted you to have access to something that should at least be
> functional.  The device discovery is based on ACPI entries per the 1.2
> TCG Specification.  I have entered the values the I knew or thought I
> knew but would love to add more.  If you find the device ID for another
> device I'd be happy to add it just email it to me.
>
> I find the ID of the device on your system you can follow these steps
> (please update everyone if you know of an easier way):
> 	1) cat /prco/acpi/dsdt > ~/dsdt.dat
> 	2) cd ~
> 	3) isal -d dsdt.dat
> 	4) look fro TPM in the generated dsdt.dsl file.
>
> Thanks,
> Kylie Hall
>
>
>
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