diff options
Diffstat (limited to 'src/soc/intel/tigerlake/pmutil.c')
| -rw-r--r-- | src/soc/intel/tigerlake/pmutil.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/pmutil.c b/src/soc/intel/tigerlake/pmutil.c index bd6a46c788..befc4fc48b 100644 --- a/src/soc/intel/tigerlake/pmutil.c +++ b/src/soc/intel/tigerlake/pmutil.c @@ -275,3 +275,20 @@ uint16_t get_pmbase(void) { return (uint16_t) ACPI_BASE_ADDRESS; } + +/* + * Set which power state system will be after reapplying + * the power (from G3 State) + */ +void pmc_soc_set_afterg3_en(const bool on) +{ + uint8_t reg8; + uint8_t *const pmcbase = pmc_mmio_regs(); + + reg8 = read8(pmcbase + GEN_PMCON_A); + if (on) + reg8 &= ~SLEEP_AFTER_POWER_FAIL; + else + reg8 |= SLEEP_AFTER_POWER_FAIL; + write8(pmcbase + GEN_PMCON_A, reg8); +} |