1 files changed, 38 insertions, 0 deletions
diff --git a/src/mainboard/ibm/sbp1/acpi/platform.asl b/src/mainboard/ibm/sbp1/acpi/platform.asl
new file mode 100644
index 0000000000..7ab8f8e27b
--- /dev/null
+++ b/src/mainboard/ibm/sbp1/acpi/platform.asl
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Enable ACPI _SWS methods */
+#include <soc/intel/common/acpi/acpi_wake_source.asl>
+
+Name (_S0, Package () // mandatory system state
+{
+	0x00, 0x00, 0x00, 0x00
+})
+
+Name (_S5, Package ()  // mandatory system state
+{
+	0x07, 0x00, 0x00, 0x00
+})
+
+/* Port 80 POST */
+OperationRegion (DBG0, SystemIO, 0x80, 0x02)
+Field (DBG0, ByteAcc, Lock, Preserve)
+{
+	IO80, 8,
+	IO81, 8
+}
+
+/*
+ * 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)
+{
+	Return (Package (){ 0, 0 })
+}