diff options
| author | Wonkyu Kim <wonkyu.kim@intel.com> | 2020-03-19 15:30:06 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-25 10:41:06 +0000 |
| commit | 3180af7fd6a86d202c241b02afa9cc4c0b9d9262 (patch) | |
| tree | b000aa33d380f03c9523dc1b1454ae4f7b0df089 /src | |
| parent | 825332d3c9eb4c32b9e2f8eb54bcc838b1c00bb3 (diff) | |
soc/intel/tigerlake: Configure Hyperthreading
Configure Hyperthreading based on devicetree
BUG=none
TEST= Build and boot with FSP log and check Hyperthread setting
Signed-off-by: Wonkyu Kim <wonkyu.kim@intel.com>
Change-Id: Idc94e6b8ecd59a43be60bf60dc7dd0811ac0350b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39683
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/romstage/fsp_params_tgl.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index f82f13d45b..1d4bd5fa5a 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -292,6 +292,8 @@ struct soc_intel_tigerlake_config { */ uint8_t cpu_ratio_override; + /* HyperThreadingDisable : Yes (1) / No (0) */ + uint8_t HyperThreadingDisable; }; typedef struct soc_intel_tigerlake_config config_t; diff --git a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c index 95f637e4ec..32f1b031a9 100644 --- a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c +++ b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c @@ -143,8 +143,9 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, else m_cfg->TcssItbtPcie3En = 0; - /* Enable Hyper Threading */ - m_cfg->HyperThreading = 1; + /* Hyper Threading */ + m_cfg->HyperThreading = !config->HyperThreadingDisable; + /* Disable Lock PCU Thermal Management registers */ m_cfg->LockPTMregs = 0; /* Channel Hash Mask:0x0001=BIT6 set(Minimal), 0x3FFF=BIT[19:6] set(Maximum) */ |