diff options
Diffstat (limited to 'src/soc/intel/skylake/pmutil.c')
| -rw-r--r-- | src/soc/intel/skylake/pmutil.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/pmutil.c b/src/soc/intel/skylake/pmutil.c index 9b38531129..fa2dc2d039 100644 --- a/src/soc/intel/skylake/pmutil.c +++ b/src/soc/intel/skylake/pmutil.c @@ -142,6 +142,22 @@ void enable_pm1(u16 events) outw(events, ACPI_BASE_ADDRESS + PM1_EN); } +/* + * Update supplied events in PM1_EN register. This does not disable any already + * set events. + */ +void update_pm1_enable(u16 events) +{ + u16 pm1_en = read_pm1_enable(); + pm1_en |= events; + enable_pm1(pm1_en); +} + +/* Read events set in PM1_EN register. */ +uint16_t read_pm1_enable(void) +{ + return inw(ACPI_BASE_ADDRESS + PM1_EN); +} /* * SMI |