[PATCH v2 06/10] configs: chromebook_coral: Build TPMV1 library routines

Simon Glass sjg at chromium.org
Tue Mar 1 15:58:48 CET 2022


Hi Sughosh,

On Mon, 28 Feb 2022 at 05:07, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> The TPM code currently does a runtime detection of the TPM version and
> calls appropriate functions. Chromebook Coral is one of the platforms
> where the TPMV1 code is disabled at build time. With this, calling TPM
> api's from the TPM uclass driver results in link errors. Enable TPMV1
> library routines and determine the TPM version at runtime like other
> platforms.
>
> Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
> ---
>
> Changes since V1: None
>
>  configs/chromebook_coral_defconfig | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/configs/chromebook_coral_defconfig b/configs/chromebook_coral_defconfig
> index 0cd8f39aa3..4704ce25c8 100644
> --- a/configs/chromebook_coral_defconfig
> +++ b/configs/chromebook_coral_defconfig
> @@ -104,7 +104,6 @@ CONFIG_SPI=y
>  CONFIG_ICH_SPI=y
>  # CONFIG_SYSINFO_SMBIOS is not set
>  CONFIG_TPL_SYSRESET=y
> -# CONFIG_TPM_V1 is not set
>  CONFIG_TPM2_CR50_I2C=y
>  CONFIG_USB_XHCI_HCD=y
>  CONFIG_USB_STORAGE=y
> --
> 2.25.1

This board does not have a v1 TPM so we don't want to waste code space
adding it.

The current code works fine and supports both a build-time and
run-time check. What has gone wrong?

Regards,
Simon


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