From 203061c24aba584edbd54dfe634ca1038c5e1ac1 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Mon, 2 Sep 2019 09:35:21 +0200 Subject: soc/intel/skylake: Add option to toggle Hyper-Threading Tested on Supermicro X11SSH-TF. Change-Id: I3ebab68ff868c78105bb4b35abffb92f3ccf1705 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/c/coreboot/+/35208 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held --- src/soc/intel/skylake/Kconfig | 5 +++++ src/soc/intel/skylake/romstage/romstage_fsp20.c | 1 + 2 files changed, 6 insertions(+) (limited to 'src/soc') diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig index 9cb8d450a3..901e5f9b21 100644 --- a/src/soc/intel/skylake/Kconfig +++ b/src/soc/intel/skylake/Kconfig @@ -78,6 +78,11 @@ config CPU_SPECIFIC_OPTIONS select TSC_SYNC_MFENCE select UDELAY_TSC +config FSP_HYPERTHREADING + bool "Enable Hyper-Threading" + depends on MAINBOARD_USES_FSP2_0 + default y + config CPU_INTEL_NUM_FIT_ENTRIES int default 10 diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c index 002a284408..deda53312c 100644 --- a/src/soc/intel/skylake/romstage/romstage_fsp20.c +++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c @@ -252,6 +252,7 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, m_cfg->PchHpetDeviceNumber = V_P2SB_HBDF_DEV; m_cfg->PchHpetFunctionNumber = V_P2SB_HBDF_FUN; } + m_cfg->HyperThreading = CONFIG(FSP_HYPERTHREADING); } static void soc_primary_gfx_config_params(FSP_M_CONFIG *m_cfg, -- cgit v1.2.3