[U-Boot] [PATCH v6 1/2] Introduce generic TPM support in u-boot

[Wolfgang Denk]

Dear Vadim Bendebury,

In message <20111017183614.2EAE8419FF at eskimo.mtv.corp.google.com> you wrote:
> TPM (Trusted Platform Module) is an integrated circuit and
> software platform that provides computer manufacturers with the
> core components of a subsystem used to assure authenticity,
> integrity and confidentiality.
> 
> This driver supports version 1.2 of the TCG (Trusted Computing
> Group) specifications.
> 
> The TCG specification defines several so called localities in a
> TPM chip, to be controlled by different software layers. When
> used on a typical x86 platform during the firmware phase, only
> locality 0 can be accessed by the CPU, so this driver even while
> supporting the locality concept presumes that only locality zero
> is used.
> 
> This implementation is loosely based on the article "Writing a
> TPM Device Driver" published on http://ptgmedia.pearsoncmg.com
> 
> Compiling this driver with DEBUG defined will generate trace of
> all accesses to TMP registers.
> 
> This driver has been tested and is being used in three different
> functional ChromeOS machines (Pinetrail and Sandy Bridge Intel
> chipsets) all using the same Infineon SLB 9635 TT 1.2 device.
> 
> A u-boot cli command allowing access to the TPM was also
> implemented and is being submitted as a second patch.
> 
> Change-Id: I22a33c3e5b2e20eec9557a7621bd463b30389d73
> Signed-off-by: Vadim Bendebury <vbendeb at chromium.org>
> CC: Wolfgang Denk <wd at denx.de>
> ---
> 
> v5 with A function comment header correction.
> 
>  Makefile                      |    3 +
>  README                        |   10 +
>  drivers/tpm/Makefile          |   43 ++++
>  drivers/tpm/generic_lpc_tpm.c |  495 +++++++++++++++++++++++++++++++++++++++++
>  include/tpm.h                 |   71 ++++++
>  5 files changed, 622 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/tpm/Makefile
>  create mode 100644 drivers/tpm/generic_lpc_tpm.c
>  create mode 100644 include/tpm.h

Applied, thanks.


But _please_ get used to providing full change logs to your patches.
This is patch v6, so I would like to see a history for v2, v3, v4, v5
and v6 - but all you have is a totally useless (as incomprehensible)
comment for v5.

Best regards,

Wolfgang Denk

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