diff options
Diffstat (limited to 'src/mainboard/51nb/x210/acpi/platform.asl')
-rw-r--r-- | src/mainboard/51nb/x210/acpi/platform.asl | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/51nb/x210/acpi/platform.asl b/src/mainboard/51nb/x210/acpi/platform.asl new file mode 100644 index 0000000000..d0e34b6254 --- /dev/null +++ b/src/mainboard/51nb/x210/acpi/platform.asl @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* This file is part of the coreboot project. */ + +/* Enable ACPI _SWS methods */ +#include <soc/intel/common/acpi/acpi_wake_source.asl> + +/* + * The _PIC method is called by the OS to choose between interrupt + * routing via the i8259 interrupt controller or the APIC. + * + * _PIC is called with a parameter of 0 for i8259 configuration and + * with a parameter of 1 for Local Apic/IOAPIC configuration. + */ + +Method (_PIC, 1) +{ + /* Remember the OS' IRQ routing choice. */ + Store (Arg0, PICM) +} + +/* + * The _PTS method (Prepare To Sleep) is called before the OS is + * entering a sleep state. The sleep state number is passed in Arg0 + */ + +Method (_PTS, 1) +{ +} + +/* The _WAK method is called on system wakeup */ + +Method (_WAK, 1) +{ + Store(\_SB.PCI0.LPCB.EC.LIDC, \LIDS) + Store(\_SB.PCI0.LPCB.EC.ACIN, \PWRS) + Return (Package (){ 0, 0 }) +} |