diff options
| author | Subrata Banik <subratabanik@google.com> | 2022-10-26 20:06:42 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2022-10-27 08:50:57 +0000 |
| commit | 6526e78967276e0299e890020267c560223bc90a (patch) | |
| tree | 87b245a49152db195534b54e5c808995ad641b04 | |
| parent | 2f5025efeda354cf3180059ade8e35201884bea3 (diff) | |
soc/intel/alderlake: Select X86_INIT_NEED_1_SIPI Kconfig for RPL
This patch helps to save 10.200ms of booting time without any issue
seen during MP Init. All cores are out from reset and alive.
Additionally, no performance degradation is observed while running
benchmarks.
Refer to Intel Technical White Paper number:751003 for more details.
BUG=b:211770003
TEST=Able to boot to ChromeOS with all cores are enabled.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I1886bc5e60c2f6bc1e2f9d3c8d9c11799d2b53c5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68901
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
| -rw-r--r-- | src/soc/intel/alderlake/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig index 548ef3d712..cbc02e75e5 100644 --- a/src/soc/intel/alderlake/Kconfig +++ b/src/soc/intel/alderlake/Kconfig @@ -7,6 +7,7 @@ config SOC_INTEL_ALDERLAKE config SOC_INTEL_RAPTORLAKE bool + select X86_INIT_NEED_1_SIPI help Intel Raptorlake support. Mainboards using RPL should select SOC_INTEL_RAPTORLAKE and SOC_INTEL_ALDERLAKE_PCH_* together. |