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>
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@ -45,6 +45,9 @@ DefinitionBlock (
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/* Contains the Sleep methods (WAK, PTS, GTS, etc.) */
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#include <variant/acpi/sleep.asl>
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/* Contains _SWS methods */
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#include <acpi_wake_source.asl>
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/* System Bus */
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Scope(\_SB) { /* Start \_SB scope */
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/* global utility methods expected within the \_SB scope */
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@ -0,0 +1,32 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2015 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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Scope (\_SB)
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{
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Method (_SWS)
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{
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/* Index into PM1 for device that caused wake */
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Return (\PM1I)
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}
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}
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Scope (\_GPE)
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{
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Method (_SWS)
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{
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/* Index into GPE for device that caused wake */
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Return (\GPEI)
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}
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}
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