diff options
Diffstat (limited to 'src/mainboard/intel/stargo2/acpi/platform.asl')
-rw-r--r-- | src/mainboard/intel/stargo2/acpi/platform.asl | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mainboard/intel/stargo2/acpi/platform.asl b/src/mainboard/intel/stargo2/acpi/platform.asl new file mode 100644 index 0000000000..ee46cf4971 --- /dev/null +++ b/src/mainboard/intel/stargo2/acpi/platform.asl @@ -0,0 +1,47 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * 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. + */ + +/* 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) +{ + /* NVS has a flag to determine USB policy in S3 */ + if (S3U0) { + Store (One, GP47) // Enable USB0 + } Else { + Store (Zero, GP47) // Disable USB0 + } + + /* NVS has a flag to determine USB policy in S3 */ + if (S3U1) { + Store (One, GP56) // Enable USB1 + } Else { + Store (Zero, GP56) // Disable USB1 + } +} + +/* The _WAK method is called on system wakeup */ + +Method(_WAK,1) +{ + Return(Package(){0,0}) +} |