diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 3 | ||||
| -rw-r--r-- | src/soc/intel/common/vbt.c | 20 | ||||
| -rw-r--r-- | src/soc/intel/common/vbt.h | 5 |
3 files changed, 26 insertions, 2 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 544cd133c8..10b71fbc8d 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -194,8 +194,7 @@ static void soc_init(void *data) struct global_nvs_t *gnvs; /* Save VBT info and mapping */ - if (locate_vbt(&vbt_rdev) != CB_ERR) - vbt = rdev_mmap_full(&vbt_rdev); + vbt = vbt_get(&vbt_rdev); /* Snapshot the current GPIO IRQ polarities. FSP is setting a * default policy that doesn't honor boards' requirements. */ diff --git a/src/soc/intel/common/vbt.c b/src/soc/intel/common/vbt.c index 80b17a2f87..d9bb98a8d1 100644 --- a/src/soc/intel/common/vbt.c +++ b/src/soc/intel/common/vbt.c @@ -15,6 +15,8 @@ #include <cbfs.h> #include <console/console.h> +#include <arch/acpi.h> +#include <bootmode.h> #include "vbt.h" @@ -40,3 +42,21 @@ enum cb_err locate_vbt(struct region_device *rdev) return CB_SUCCESS; } + +void *vbt_get(struct region_device *rdev) +{ + void *vbt_data; + + /* Normal mode and S3 resume path PEIM GFX init is not needed. + * Passing NULL as VBT will not make PEIM GFX to execute. */ + if (acpi_is_wakeup_s3()) + return NULL; + if (!display_init_required()) + return NULL; + if (locate_vbt(rdev) != CB_ERR) { + vbt_data = rdev_mmap_full(rdev); + return vbt_data; + } else { + return NULL; + } +} diff --git a/src/soc/intel/common/vbt.h b/src/soc/intel/common/vbt.h index e1a45cc887..9a02e6a467 100644 --- a/src/soc/intel/common/vbt.h +++ b/src/soc/intel/common/vbt.h @@ -21,4 +21,9 @@ /* locate .vbt file */ enum cb_err locate_vbt(struct region_device *rdev); +/* + * Returns VBT pointer and mapping after checking prerequisites for Pre OS + * Graphics initialization + */ +void *vbt_get(struct region_device *rdev); #endif |