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mb/google/bluey: Introduce MAINBOARD_HAS_GOOGLE_TPM Kconfig

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This commit introduces a new Kconfig option `MAINBOARD_HAS_GOOGLE_TPM`
for the Bluey mainboard.

Previously, `I2C_TPM`, `MAINBOARD_HAS_TPM2`, and `TPM_GOOGLE_TI50`
were unconditionally selected within `BOARD_GOOGLE_BLUEY_COMMON`.
These selections are now moved under the new `MAINBOARD_HAS_GOOGLE_TPM`
boolean option, which defaults to disabled.

This change allows for more granular control over enabling Google TPM
(aka GSC) support, making it optional for Bluey configurations.

As Bluey (Qualcomm CRD) lacks a Google TPM (GSC), the new
`MAINBOARD_HAS_GOOGLE_TPM` option defaults to 'n'. This ensures
GSC-related features (including `I2C_TPM`, `MAINBOARD_HAS_TPM2`,
and `TPM_GOOGLE_TI50`) are not selected by default for Bluey,
aligning the Kconfig with the hardware capabilities.

BUG=b:404985109
TEST=Able to build google/bluey. Ensure `VBOOT_MOCK_SECDATA` Kconfig
is default enabled for Bluey.

Change-Id: Idc3d998bfc5a747a3068e87fd2f503190a0c1f3f
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87676
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
This commit is contained in:
Subrata Banik 2025-05-14 15:43:42 +00:00
commit f9d933db36
1 changed files with 9 additions and 3 deletions
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12
src/mainboard/google/bluey/Kconfig
View file

@ -7,9 +7,7 @@ config BOARD_GOOGLE_BLUEY_COMMON
select EC_GOOGLE_CHROMEEC
select EC_GOOGLE_CHROMEEC_RTC
select EC_GOOGLE_CHROMEEC_SPI
select I2C_TPM
select MAINBOARD_HAS_CHROMEOS
select MAINBOARD_HAS_TPM2
select RTC
select SOC_QUALCOMM_X1P42100
select SPI_FLASH
@ -17,7 +15,6 @@ config BOARD_GOOGLE_BLUEY_COMMON
select SPI_FLASH_GIGADEVICE
select SPI_FLASH_MACRONIX
select SPI_FLASH_WINBOND
select TPM_GOOGLE_TI50
config BOARD_GOOGLE_BASEBOARD_BLUEY
def_bool n
@ -59,6 +56,15 @@ config MAINBOARD_HAS_SD_CONTROLLER
help
Enable this option if your mainboard is equipped with SD card controller.
config MAINBOARD_HAS_GOOGLE_TPM
bool
default n
select I2C_TPM
select MAINBOARD_HAS_TPM2
select TPM_GOOGLE_TI50
help
Enable this option if your mainboard is equipped with Google TPM aka GSC.
config MAINBOARD_VENDOR
string
default "Google"