diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2023-04-25 16:23:37 +0200 |
|---|---|---|
| committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2023-05-01 06:38:36 +0000 |
| commit | 0eb5974def63a2fc0dce6dfdad62b0b4c6f4b865 (patch) | |
| tree | 07c39c0c877c94778a483b69883642ebac786575 /src/southbridge | |
| parent | cd48c7ece3d38acaf67d25e35b1a66a47728aec8 (diff) | |
acpigen: Add a runtime method to override exposed _Sx sleep states
This allows mainboards to override available sleep states at runtime.
This is done by adding a IntObj in SSDT that DSDT consumes to override
the available _Sx states.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: Ic21830c1ef9c183b1e3005cc1f8b7daf7e9ea998
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74762
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-by: Jan Samek <jan.samek@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/intel/common/acpi/sleepstates.asl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/acpi/sleepstates.asl b/src/southbridge/intel/common/acpi/sleepstates.asl index 079ab1ab84..14ed86e91e 100644 --- a/src/southbridge/intel/common/acpi/sleepstates.asl +++ b/src/southbridge/intel/common/acpi/sleepstates.asl @@ -15,6 +15,11 @@ If (CONFIG(DISABLE_ACPI_HIBERNATE)) { SSFG &= 0xf7 } +External (\OSFG, IntObj) +If (CondRefOf(\OSFG)) { + SSFG = \OSFG +} + /* Supported sleep states: */ Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */ |