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security/vboot: Add option for enabling ADB via GBB flag

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This patch introduces a new Kconfig option,
`CONFIG_GBB_FLAG_ENABLE_ADB`, to allow enabling ADB.

This option, when enabled, sets the corresponding GBB flag (0x80000000).
This flag can then be utilized by the operating system to enable the
ADB.

TEST=Able to connect the google/quenbih from host device using ADB cable.

Change-Id: I680c1f47045255a5ed49b0bb6c6fb94bc054c278
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91719
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Subrata Banik 2025-03-27 22:50:10 +05:30 • committed by Matt DeVillier
commit a649c82f7a
2 changed files with 5 additions and 0 deletions
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4
src/security/vboot/Kconfig
View file

@ -463,6 +463,10 @@ config GBB_FLAG_FORCE_CSE_SYNC
bool "Running tests; enforce CSE sync"
default n
config GBB_FLAG_ENABLE_ADB
bool "Enable ADB"
default n
endmenu # GBB
menu "Vboot Keys"

1
src/security/vboot/Makefile.mk
View file

@ -267,6 +267,7 @@ GBB_FLAGS := $(call int-add, \
$(call bool-to-mask,$(CONFIG_GBB_FLAG_DISABLE_FWMP),0x8000) \
$(call bool-to-mask,$(CONFIG_GBB_FLAG_ENABLE_UDC),0x10000) \
$(call bool-to-mask,$(CONFIG_GBB_FLAG_FORCE_CSE_SYNC),0x20000) \
$(call bool-to-mask,$(CONFIG_GBB_FLAG_ENABLE_ADB),0x80000000) \
)
ifneq ($(CONFIG_GBB_BMPFV_FILE),)