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authorDuncan Laurie <dlaurie@chromium.org>2015-09-08 16:09:28 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-09-17 14:13:37 +0000
commit63ebc80e987c6778d5f15583e59a1476d4943c66 (patch)
tree71adb2d211e3b150f5e26b12697c825945fec62f /src/soc/intel/common/acpi.h
parentae570d5cee7c8a416ad3887110f172763513e5a4 (diff)
intel/common: Add common code for filling out ACPI _SWS
Add common code for filling out the NVS fields that are used by the ACPI _SWS methods. The SOC must provide a function to fill out the wake source data since the specific data inputs vary by platform. BUG=chrome-os-partner:40635 BRANCH=none TEST=emerge-glados coreboot Change-Id: I4f3511adcc89a9be5d97a7442055c227a38c5f42 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: cee5fa176c16ca44712bce8f3c8045daa5f07339 Original-Change-Id: I16f446ef67777acb57223a84d38062be9f43fcb9 Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/298167 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11646 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/soc/intel/common/acpi.h')
-rw-r--r--src/soc/intel/common/acpi.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/soc/intel/common/acpi.h b/src/soc/intel/common/acpi.h
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+++ b/src/soc/intel/common/acpi.h
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+/*
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#ifndef _INTEL_COMMON_ACPI_H_
+#define _INTEL_COMMON_ACPI_H_
+
+#include <stdint.h>
+
+/*
+ * SOC specific handler to provide the wake source data for ACPI _SWS.
+ *
+ * @pm1: PM1_STS register with only enabled events set
+ * @gpe0: GPE0_STS registers with only enabled events set
+ *
+ * return the number of registers in the gpe0 array or -1 if nothing
+ * is provided by this function.
+ */
+int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0);
+
+#endif