diff options
| author | Lijian Zhao <lijian.zhao@intel.com> | 2018-03-12 18:05:53 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-04-05 16:00:27 +0000 |
| commit | 91c8e23e013204d415582b6ff2444ba5e3021306 (patch) | |
| tree | 049e4d68daceda0fc98a50d422f8a0fa40702efe /src | |
| parent | 32c3069fd7d076a41ceb5a0453bd9ec1ec9f8559 (diff) | |
soc/intel/cannonlake: Add VT-d and VMX programming
Add FSP option to enable/disable VT-d (Intel Virtualization Technology
for Directed I/O) and VMX (Virtual Machine Extensions), VMX will be
disabled once VT-d got disabled.
Bug=b:73655383
TEST=Build and flash image on meowth board with debug build FSP, in
serial log search for "VMXEnable" and "VtdDiable".
Change-Id: I589590450aa4b9302ee2f9bb7b879a332f50b73e
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/25118
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/cannonlake/chip.c | 4 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/chip.h | 4 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/romstage/romstage.c | 5 |
3 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c index 590bb4559d..5fc3a55c26 100644 --- a/src/soc/intel/cannonlake/chip.c +++ b/src/soc/intel/cannonlake/chip.c @@ -181,6 +181,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) { int i; FSP_S_CONFIG *params = &supd->FspsConfig; + FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig; struct device *dev = SA_DEV_ROOT; config_t *config = dev->chip_info; @@ -300,6 +301,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) * 3 = GT unsliced, 4 = GT sliced */ for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) fill_vr_domain_config(params, i, &config->domain_vr_config[i]); + + /* Vt-D config */ + tconfig->VtdDisable = config->VtdDisable; } /* Mainboard GPIO Configuration */ diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h index 2362c4255e..8fdb9646b3 100644 --- a/src/soc/intel/cannonlake/chip.h +++ b/src/soc/intel/cannonlake/chip.h @@ -281,6 +281,10 @@ struct soc_intel_cannonlake_config { /* Enable Pch iSCLK */ uint8_t pch_isclk; + + /* Intel VT configuration */ + uint8_t VtdDisable; + uint8_t VmxEnable; }; typedef struct soc_intel_cannonlake_config config_t; diff --git a/src/soc/intel/cannonlake/romstage/romstage.c b/src/soc/intel/cannonlake/romstage/romstage.c index 759c2c9b43..dc9652689a 100644 --- a/src/soc/intel/cannonlake/romstage/romstage.c +++ b/src/soc/intel/cannonlake/romstage/romstage.c @@ -169,6 +169,11 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config) /* Disable Cpu Ratio Override temporary. */ m_cfg->CpuRatio = 0; m_cfg->PcdSerialIoUartNumber = CONFIG_UART_FOR_CONSOLE; + /* Disable Vmx if Vt-d is already disabled */ + if (config->VtdDisable) + m_cfg->VmxEnable = 0; + else + m_cfg->VmxEnable = config->VmxEnable; } void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) |