mb/google/kahlee/dsdt.asl: Add method _SWS
_SWS is the recommended method of wake source retrieval. Now that PM1I and
GPEI are available at NVS, add the method _SWS to kahlee/grunt ACPI code.
BUG=b:76020953
TEST=Build grunt
Change-Id: I5930438af40e6f9177462582cafb65401d9c60f4
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/26217
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/google/kahlee/dsdt.asl b/src/mainboard/google/kahlee/dsdt.asl
index db81393..e5276d3 100644
--- a/src/mainboard/google/kahlee/dsdt.asl
+++ b/src/mainboard/google/kahlee/dsdt.asl
@@ -45,6 +45,9 @@
/* Contains the Sleep methods (WAK, PTS, GTS, etc.) */
#include <variant/acpi/sleep.asl>
+ /* Contains _SWS methods */
+ #include <acpi_wake_source.asl>
+
/* System Bus */
Scope(\_SB) { /* Start \_SB scope */
/* global utility methods expected within the \_SB scope */
diff --git a/src/soc/amd/stoneyridge/acpi/acpi_wake_source.asl b/src/soc/amd/stoneyridge/acpi/acpi_wake_source.asl
new file mode 100644
index 0000000..fa01802
--- /dev/null
+++ b/src/soc/amd/stoneyridge/acpi/acpi_wake_source.asl
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+Scope (\_SB)
+{
+ Method (_SWS)
+ {
+ /* Index into PM1 for device that caused wake */
+ Return (\PM1I)
+ }
+}
+
+Scope (\_GPE)
+{
+ Method (_SWS)
+ {
+ /* Index into GPE for device that caused wake */
+ Return (\GPEI)
+ }
+}