diff options
Diffstat (limited to 'src/soc/intel/cannonlake/acpi/lpit.asl')
| -rw-r--r-- | src/soc/intel/cannonlake/acpi/lpit.asl | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/acpi/lpit.asl b/src/soc/intel/cannonlake/acpi/lpit.asl index 74d4fe6396..e0e23cac4e 100644 --- a/src/soc/intel/cannonlake/acpi/lpit.asl +++ b/src/soc/intel/cannonlake/acpi/lpit.asl @@ -16,6 +16,8 @@ External(\_SB.MS0X, MethodObj) External(\_SB.PCI0.LPCB.EC0.S0IX, MethodObj) +External(\_SB.PCI0.EGPM, MethodObj) +External(\_SB.PCI0.RGPM, MethodObj) scope(\_SB) { @@ -73,6 +75,15 @@ scope(\_SB) If (CondRefOf (\_SB.MS0X)) { \_SB.MS0X(1) } + + /* + * Save the current PM bits then + * enable GPIO PM with MISCCFG_ENABLE_GPIO_PM_CONFIG + */ + If (CondRefOf (\_SB.PCI0.EGPM)) + { + \_SB.PCI0.EGPM () + } } /* * Function 6 - Low Power S0 Exit Notification @@ -87,6 +98,12 @@ scope(\_SB) If (CondRefOf (\_SB.MS0X)) { \_SB.MS0X(0) } + + /* Restore GPIO all Community PM */ + If (CondRefOf (\_SB.PCI0.RGPM)) + { + \_SB.PCI0.RGPM () + } } } Return(Buffer(One) {0x00}) |