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 })
+}