diff options
| -rw-r--r-- | src/soc/intel/alderlake/include/soc/pmc.h | 3 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/lockdown.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/include/soc/pmc.h b/src/soc/intel/alderlake/include/soc/pmc.h index 52cc0b5e1c..ca11ae933a 100644 --- a/src/soc/intel/alderlake/include/soc/pmc.h +++ b/src/soc/intel/alderlake/include/soc/pmc.h @@ -142,6 +142,9 @@ extern struct device_operations pmc_ops; #define ACPI_EN (1 << 7) #define SCI_IRQ_SEL (7 << 0) +#define ST_PG_FDIS1 0x1e20 +#define ST_FDIS_LOCK (1 << 31) + #define SCIS_IRQ9 0 #define SCIS_IRQ10 1 #define SCIS_IRQ11 2 diff --git a/src/soc/intel/alderlake/lockdown.c b/src/soc/intel/alderlake/lockdown.c index b0da51ffdd..5d012d8e1b 100644 --- a/src/soc/intel/alderlake/lockdown.c +++ b/src/soc/intel/alderlake/lockdown.c @@ -23,6 +23,9 @@ static void pmc_lockdown_cfg(int chipset_lockdown) if (chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) setbits32(pmcbase + GEN_PMCON_B, SMI_LOCK); + + if (!CONFIG(USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM)) + setbits32(pmcbase + ST_PG_FDIS1, ST_FDIS_LOCK); } void soc_lockdown_config(int chipset_lockdown) |