diff options
| author | Subrata Banik <subratabanik@google.com> | 2024-09-04 23:51:09 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2024-09-07 08:25:49 +0000 |
| commit | 9947d545774946f75a432e75ef09aa7805fbb0d4 (patch) | |
| tree | 3ab04cd9fb36f7284e9902a326c5bec31b870215 /src/drivers/intel/fsp2_0 | |
| parent | b14ec5fbab3a7e74853b24af103ba8e9409a7d66 (diff) | |
drivers/intel/fsp2_0: Add Kconfig option to control MBP HOB creation
This patch adds a new Kconfig option `FSP_PUBLISH_MBP_HOB` to
control the creation of the ME_BIOS_PAYLOAD_HOB (MBP HOB) by FSP.
Disabling this option can improve boot time on platforms that
do not utilize the MBP HOB, such as ChromeOS devices.
The option is disabled by default on ChromeOS and enabled
by default on other platforms.
On ADL-P based platforms, this option is forced to be enabled
as ADL-P FSP relies on MBP HOB for ChipsetInit version for
ChipsetInit sync.
Removed SoC specific implementation of `FSP_PUBLISH_MBP_HOB` config
from MTL and TGL config file.
TEST=Tested on ADL-P and ADL-N platforms. Verified that MBP HOB is
created when `FSP_PUBLISH_MBP_HOB` is enabled and not created when
it is disabled.
Also verified that the system boots successfully in both cases.
Change-Id: I21da00259c0b9bcca6f545291a6259e9cce8d900
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84217
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Diffstat (limited to 'src/drivers/intel/fsp2_0')
| -rw-r--r-- | src/drivers/intel/fsp2_0/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig index 2ad32097de..bbf0710b7f 100644 --- a/src/drivers/intel/fsp2_0/Kconfig +++ b/src/drivers/intel/fsp2_0/Kconfig @@ -522,4 +522,15 @@ config FSP_MULTIPHASE_SI_INIT_RETURN_BROKEN reported with Alder Lake and Raptor Lake FSP where MultiPhaseSiInit API is unable to return any ERROR status. +config FSP_PUBLISH_MBP_HOB + bool + default n if CHROMEOS + default y + help + This is to control creation of ME_BIOS_PAYLOAD_HOB (MBP HOB) by FSP. + Disabling it for the platforms, which do not use MBP HOB, can improve the boot time. + + ChromeOS devices typically do not require the MBP information, hence it is disabled + by default on ChromeOS. + endif |