soc/intel/alderlake: Select `X86_CLFLUSH_CAR` config
This patch selects `X86_CLFLUSH_CAR` config for running `clflush`
to invalidate the cache region based on commit 3134a81 for boot
performance improvement.
Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I1fe6072a3c23a02c9a691406f179bfc8f0f18a93
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73685
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index ae5f7a7..09cd75d 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -131,6 +131,7 @@
select UDELAY_TSC
select UDK_202005_BINDING
select VBOOT_LIB
+ select X86_CLFLUSH_CAR
config SOC_INTEL_ALDERLAKE_TCSS_USB4_SUPPORT
bool