[U-Boot] [PATCH 0/3] Introduce TPM driver model and STMicroelectronics ST33ZP24 TPMs

Simon Glass sjg at chromium.org
Sun Aug 9 15:28:35 CEST 2015


Hi Christophe,

On 9 August 2015 at 07:19, Christophe Ricard
<christophe.ricard at gmail.com> wrote:
>
> Hi,
>
> This patch serie introduce TPM driver model allowing to instantiate a TPM
> using U_BOOT_DEVICE macro for platform_data or device tree.
>
> As an information, there is no TCG transport protocol official specification
> for i2c for TPM1.2. The TPM uclass allows to support different kind of bus
> (LPC, I2C, SPI) keeping the TPM command duration in common.
>
> Also, this serie introduce TPM1.2 from STMicroelectronics ST33ZP24 with
> I2C and SPI support. It has been ported from existing Linux drivers.
>
> This has been tested on Beagleboard xM.

As it happens I have just been trying to clean up the TPM drivers for
Kconfig and driver model.

Please see u-boot-dm branch tpm-working. I'll hurry up and try to send
out some patches and update the wiki. I wonder if we can join our work
somehow?

Regards,
Simon

>
> Best Regards
> Christophe
>
>
> Christophe Ricard (3):
>   tpm: Move tpm_tis_i2c to tpm_i2c_infineon
>   tpm: Initial work to introduce TPM driver model
>   tpm: Add st33zp24 tpm with i2c and spi phy
>
>  README                                            |  23 +-
>  drivers/tpm/Makefile                              |   5 +-
>  drivers/tpm/st33zp24/Makefile                     |   7 +
>  drivers/tpm/st33zp24/i2c.c                        | 226 +++++++++++
>  drivers/tpm/st33zp24/spi.c                        | 286 ++++++++++++++
>  drivers/tpm/st33zp24/st33zp24.c                   | 454 ++++++++++++++++++++++
>  drivers/tpm/st33zp24/st33zp24.h                   |  29 ++
>  drivers/tpm/tpm.c                                 | 275 +++----------
>  drivers/tpm/{tpm_tis_i2c.c => tpm_i2c_infineon.c} | 271 ++++++++-----
>  drivers/tpm/tpm_private.h                         |  23 +-
>  include/dm/platform_data/st33zp24_i2c.h           |  28 ++
>  include/dm/platform_data/st33zp24_spi.h           |  30 ++
>  include/dm/platform_data/tpm_i2c_infineon.h       |  23 ++
>  include/dm/uclass-id.h                            |   1 +
>  include/fdtdec.h                                  |   5 +-
>  lib/fdtdec.c                                      |   2 +
>  16 files changed, 1351 insertions(+), 337 deletions(-)
>  create mode 100644 drivers/tpm/st33zp24/Makefile
>  create mode 100644 drivers/tpm/st33zp24/i2c.c
>  create mode 100644 drivers/tpm/st33zp24/spi.c
>  create mode 100644 drivers/tpm/st33zp24/st33zp24.c
>  create mode 100644 drivers/tpm/st33zp24/st33zp24.h
>  rename drivers/tpm/{tpm_tis_i2c.c => tpm_i2c_infineon.c} (70%)
>  create mode 100644 include/dm/platform_data/st33zp24_i2c.h
>  create mode 100644 include/dm/platform_data/st33zp24_spi.h
>  create mode 100644 include/dm/platform_data/tpm_i2c_infineon.h
>
> --
> 2.1.4
>


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