diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/meteorlake/include/soc/pmc.h | 7 | ||||
| -rw-r--r-- | src/soc/intel/meteorlake/lockdown.c | 55 |
2 files changed, 22 insertions, 40 deletions
diff --git a/src/soc/intel/meteorlake/include/soc/pmc.h b/src/soc/intel/meteorlake/include/soc/pmc.h index a56c2905be..813930b1f8 100644 --- a/src/soc/intel/meteorlake/include/soc/pmc.h +++ b/src/soc/intel/meteorlake/include/soc/pmc.h @@ -51,6 +51,7 @@ extern struct device_operations pmc_ops; #define SLEEP_AFTER_POWER_FAIL (1 << 0) #define GEN_PMCON_B 0x1024 +#define ST_FDIS_LOCK (1 << 21) #define SLP_STR_POL_LOCK (1 << 18) #define ACPI_BASE_LOCK (1 << 17) #define PM_DATA_BAR_DIS (1 << 16) @@ -76,6 +77,10 @@ extern struct device_operations pmc_ops; #define PRSTS 0x1810 +#define PM_CFG 0x1818 +#define PM_CFG_DBG_MODE_LOCK (1 << 27) +#define PM_CFG_XRAM_READ_DISABLE (1 << 22) + #define S3_PWRGATE_POL 0x1828 #define S3DC_GATE_SUS (1 << 1) #define S3AC_GATE_SUS (1 << 0) @@ -96,7 +101,7 @@ extern struct device_operations pmc_ops; #define DSX_EN_LAN_WAKE_PIN (1 << 0) #define DSX_CFG_MASK (0x1f << 0) -#define PMSYNC_TPR_CFG 0x18C4 +#define PMSYNC_TPR_CFG 0x18d4 #define PCH2CPU_TPR_CFG_LOCK (1 << 31) #define PCH2CPU_TT_EN (1 << 26) diff --git a/src/soc/intel/meteorlake/lockdown.c b/src/soc/intel/meteorlake/lockdown.c index 51fbdaf7fa..b4ccbaba6d 100644 --- a/src/soc/intel/meteorlake/lockdown.c +++ b/src/soc/intel/meteorlake/lockdown.c @@ -3,6 +3,7 @@ #include <device/mmio.h> #include <intelblocks/cfg.h> #include <intelblocks/pcr.h> +#include <intelblocks/pmclib.h> #include <intelpch/lockdown.h> #include <soc/pcr_ids.h> #include <soc/pm.h> @@ -12,51 +13,27 @@ #define PCR_PSTH_CTRLREG 0x1d00 #define PSTH_CTRLREG_IOSFPTCGE (1 << 2) -static void pmc_lock_pmsync(void) -{ - uint8_t *pmcbase; - uint32_t pmsyncreg; - - pmcbase = pmc_mmio_regs(); - - pmsyncreg = read32(pmcbase + PMSYNC_TPR_CFG); - pmsyncreg |= PCH2CPU_TPR_CFG_LOCK; - write32(pmcbase + PMSYNC_TPR_CFG, pmsyncreg); -} - -static void pmc_lock_abase(void) -{ - uint8_t *pmcbase; - uint32_t reg32; - - pmcbase = pmc_mmio_regs(); - - reg32 = read32(pmcbase + GEN_PMCON_B); - reg32 |= (SLP_STR_POL_LOCK | ACPI_BASE_LOCK); - write32(pmcbase + GEN_PMCON_B, reg32); -} - -static void pmc_lock_smi(void) -{ - uint8_t *pmcbase; - uint8_t reg8; - - pmcbase = pmc_mmio_regs(); - - reg8 = read8(pmcbase + GEN_PMCON_B); - reg8 |= SMI_LOCK; - write8(pmcbase + GEN_PMCON_B, reg8); -} - static void pmc_lockdown_cfg(int chipset_lockdown) { + uint8_t *pmcbase = pmc_mmio_regs(); + /* PMSYNC */ - pmc_lock_pmsync(); + setbits32(pmcbase + PMSYNC_TPR_CFG, PCH2CPU_TPR_CFG_LOCK); /* Lock down ABASE and sleep stretching policy */ - pmc_lock_abase(); + setbits32(pmcbase + GEN_PMCON_B, SLP_STR_POL_LOCK | ACPI_BASE_LOCK); if (chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) - pmc_lock_smi(); + setbits32(pmcbase + GEN_PMCON_B, SMI_LOCK); + + if (!CONFIG(USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM)) { + setbits32(pmcbase + GEN_PMCON_B, ST_FDIS_LOCK); + setbits32(pmcbase + SSML, SSML_SSL_EN); + setbits32(pmcbase + PM_CFG, PM_CFG_DBG_MODE_LOCK | + PM_CFG_XRAM_READ_DISABLE); + } + + /* Send PMC IPC to inform about PCI enumeration done */ + pmc_send_pci_enum_done(); } static void soc_die_lockdown_cfg(void) |