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| author | Subrata Banik <subratabanik@google.com> | 2022-11-24 23:48:13 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2022-12-02 07:52:07 +0000 |
| commit | b95530486998889b5afce8df260a694a0333693c (patch) | |
| tree | e8306646c6f01062837cd2df69d4a7c2a32e777e | |
| parent | adbef6d2b3d46b3deaca49e93eb6e1b905c0ae61 (diff) | |
| download | coreboot-b95530486998889b5afce8df260a694a0333693c.tar.gz coreboot-b95530486998889b5afce8df260a694a0333693c.tar.bz2 coreboot-b95530486998889b5afce8df260a694a0333693c.zip | |
soc/intel/meteorlake: Allow sending late EOP cmd to CSE
This patch selects SOC_INTEL_CSE_SEND_EOP_LATE config to let IA
common code to skip sending CSE EOP cmd during finalize operation
rather uses boot state machine (either payload load or payload boot)
to delay in sending EOP cmd to CSE.
BUG=b:260041679
TEST=Able to boot to Google/Rex with this patch and observed ~150ms
savings in boot time
Without this patch:
942:before sending EOP to ME 1,795,702 (354)
943:after sending EOP to ME 1,950,526 (154,824)
With this patch:
942:before sending EOP to ME 2,051,406 (35,484)
943:after sending EOP to ME 2,057,583 (6,177)
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I7d44d5eff890ac78e3075d49cc249f740686dd0d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69999
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/intel/meteorlake/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig index c3efd3e38162..fb99d30b53ae 100644 --- a/src/soc/intel/meteorlake/Kconfig +++ b/src/soc/intel/meteorlake/Kconfig @@ -82,6 +82,7 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_PCH_CLIENT select SOC_INTEL_COMMON_RESET select SOC_INTEL_COMMON_BLOCK_IOC + select SOC_INTEL_CSE_SEND_EOP_LATE select SOC_INTEL_CSE_SET_EOP select SOC_INTEL_GFX_NON_PREFETCHABLE_MMIO select SOC_INTEL_MEM_MAPPED_PM_CONFIGURATION |