diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/skylake/acpi.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index d4f60302a3..fc4f58c34c 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -591,23 +591,40 @@ void southcluster_inject_dsdt(device_t device) /* Save wake source information for calculating ACPI _SWS values */ int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0) { + const struct device *dev = dev_find_slot(0, PCH_DEVFN_LPC); + const struct soc_intel_skylake_config *config = dev->chip_info; struct chipset_power_state *ps; static uint32_t gpe0_sts[GPE0_REG_MAX]; uint32_t pm1_en; + uint32_t gpe0_std; int i; ps = cbmem_find(CBMEM_ID_POWER_STATE); if (ps == NULL) return -1; - /* PM1_EN state is lost in Deep S3 so enable basic wake events */ - pm1_en = ps->pm1_en | PCIEXPWAK_STS | RTC_STS | PWRBTN_STS | BM_STS; + pm1_en = ps->pm1_en; + gpe0_std = ps->gpe0_en[3]; + + /* + * Chipset state in the suspend well (but not RTC) is lost in Deep S3 + * so enable Deep S3 wake events that are configured by the mainboard + */ + if (ps->prev_sleep_state == ACPI_S3 && config->deep_s3_enable) { + pm1_en |= PWRBTN_STS; /* Always enabled as wake source */ + if (config->deep_sx_config & DSX_EN_LAN_WAKE_PIN) + gpe0_std |= LAN_WAK_EN; + if (config->deep_sx_config & DSX_EN_WAKE_PIN) + pm1_en |= PCIEXPWAK_STS; + } + *pm1 = ps->pm1_sts & pm1_en; /* Mask off GPE0 status bits that are not enabled */ *gpe0 = &gpe0_sts[0]; - for (i = 0; i < GPE0_REG_MAX; i++) + for (i = 0; i < (GPE0_REG_MAX-1); i++) gpe0_sts[i] = ps->gpe0_sts[i] & ps->gpe0_en[i]; + gpe0_sts[3] = ps->gpe0_sts[3] & gpe0_std; return GPE0_REG_MAX; } |