diff options
Diffstat (limited to 'src/soc/intel/alderlake/Kconfig')
| -rw-r--r-- | src/soc/intel/alderlake/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig index f2b7d6ff40..c79eb08c7b 100644 --- a/src/soc/intel/alderlake/Kconfig +++ b/src/soc/intel/alderlake/Kconfig @@ -430,6 +430,13 @@ config USE_FSP_MP_INIT config USE_COREBOOT_MP_INIT bool "Use coreboot MP init" + # FSP assumes ownership of the APs (Application Processors) + # upon passing `NULL` pointer to the CpuMpPpi FSP-S UPD. + # Hence, select `MP_SERVICES_PPI_V2_NOOP` config to pass a valid + # pointer to the CpuMpPpi UPD with FSP_UNSUPPORTED type APIs. + # This will protect APs from getting hijacked by FSP while coreboot + # decides to set SkipMpInit UPD. + select MP_SERVICES_PPI_V2_NOOP select RELOAD_MICROCODE_PATCH help Upon selection, coreboot performs MP Init. |