[U-Boot] About U-boot's TPM

[Simon Glass]

Hi Ronny,

On 27 November 2016 at 10:47, Ronny Ko <hrko at g.harvard.edu> wrote:
> Hi Simon,
>
> I'm using Minnowboard MAX. It has fTPM, which is an integrated TPM into SoC
> (Bay Trail).
>
> http://wiki.minnowboard.org/MinnowBoard_MAX
> https://firmware.intel.com/blog/security-technologies-and-minnowboard-max
> https://prosauce.org/blog/2016/1/11/minnowboard-max-enable-and-test-the-firmware-txe-tpm-20

I don't see any info in the datasheet here:

http://www.intel.com/content/www/us/en/embedded/products/bay-trail/atom-e3800-family-datasheet.html

Do you know where it is documented?

Regards,
SImon

>
> Ronny
>
> On Sun, Nov 27, 2016 at 7:02 PM, Simon Glass <sjg at chromium.org> wrote:
>>
>> Hi Ronny,
>>
>> On 24 November 2016 at 14:20, Ronny Ko <hrko at g.harvard.edu> wrote:
>> > Hi Simon,
>> >
>> > I have a question about using a TPM from U-Boot. I try to run U-Boot on
>> > Minnowboard MAX, which has a firmware TPM (fTPM), instead of discrete
>> > TPM
>> > (dTPM). I wonder if the way of using fTPM from U-Boot is the same as
>> > using
>> > dTPM. I suppose the answer is yes, if an fTPM is simply a virtual
>> > version of
>> > dTPM. Or is it not so?
>>
>> I don't know how that is connected. Do you have any documentation?
>>
>> Regards,
>> Simon
>
>