diff options
Diffstat (limited to 'src/soc/intel/cannonlake/fsp_params.c')
| -rw-r--r-- | src/soc/intel/cannonlake/fsp_params.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c index 6fb3060d61..f696f79d04 100644 --- a/src/soc/intel/cannonlake/fsp_params.c +++ b/src/soc/intel/cannonlake/fsp_params.c @@ -19,6 +19,7 @@ #include <fsp/api.h> #include <fsp/util.h> #include <intelblocks/xdci.h> +#include <intelpch/lockdown.h> #include <soc/intel/common/vbt.h> #include <soc/pci_devs.h> #include <soc/ramstage.h> @@ -402,6 +403,39 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) configure_gspi_cs(i, config, ¶ms->SerialIoSpiCsPolarity[0], NULL, NULL); #endif + + /* Chipset Lockdown */ + if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) { + tconfig->PchLockDownGlobalSmi = 0; + tconfig->PchLockDownBiosInterface = 0; + params->PchLockDownBiosLock = 0; + params->PchLockDownRtcMemoryLock = 0; + /* + * TODO: Disable SpiFlashCfgLockDown config after FSP provides + * dedicated UPD + * + * Skip SPI Flash Lockdown from inside FSP. + * Making this config "0" means FSP won't set the FLOCKDN bit + * of SPIBAR + 0x04 (i.e., Bit 15 of BIOS_HSFSTS_CTL). + * So, it becomes coreboot's responsibility to set this bit + * before end of POST for security concerns. + */ + // params->SpiFlashCfgLockDown = 0; + } else { + tconfig->PchLockDownGlobalSmi = 1; + tconfig->PchLockDownBiosInterface = 1; + params->PchLockDownBiosLock = 1; + params->PchLockDownRtcMemoryLock = 1; + /* + * TODO: Enable SpiFlashCfgLockDown config after FSP provides + * dedicated UPD + * + * Enable SPI Flash Lockdown from inside FSP. + * Making this config "1" means FSP will set the FLOCKDN bit + * of SPIBAR + 0x04 (i.e., Bit 15 of BIOS_HSFSTS_CTL). + */ + // params->SpiFlashCfgLockDown = 1; + } } /* Mainboard GPIO Configuration */ |