diff options
Diffstat (limited to 'src/soc/intel/apollolake/acpi.c')
| -rw-r--r-- | src/soc/intel/apollolake/acpi.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c index 4f4276ad72..1ca04fd3fe 100644 --- a/src/soc/intel/apollolake/acpi.c +++ b/src/soc/intel/apollolake/acpi.c @@ -28,6 +28,7 @@ #include <soc/pm.h> #include <soc/nvs.h> #include <soc/pci_devs.h> +#include <string.h> #include "chip.h" #define CSTATE_RES(address_space, width, offset, address) \ @@ -151,11 +152,8 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs) struct soc_intel_apollolake_config *cfg; struct device *dev = NB_DEV_ROOT; - if (!dev || !dev->chip_info) { - printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n"); - return; - } - cfg = dev->chip_info; + /* Clear out GNVS. */ + memset(gnvs, 0, sizeof(*gnvs)); if (IS_ENABLED(CONFIG_CONSOLE_CBMEM)) gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE); @@ -166,11 +164,17 @@ static void acpi_create_gnvs(struct global_nvs_t *gnvs) gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO; } - /* Enable DPTF based on mainboard configuration */ - gnvs->dpte = cfg->dptf_enable; - /* Set unknown wake source */ gnvs->pm1i = ~0ULL; + + if (!dev || !dev->chip_info) { + printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n"); + return; + } + cfg = dev->chip_info; + + /* Enable DPTF based on mainboard configuration */ + gnvs->dpte = cfg->dptf_enable; } /* Save wake source information for calculating ACPI _SWS values */ |