| Stefan Reinauer | 6651da3 | 2012-04-27 23:16:30 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2007-2009 coresystems GmbH |
| 5 | * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| Stefan Reinauer | 6651da3 | 2012-04-27 23:16:30 +0200 | [diff] [blame] | 15 | */ |
| 16 | |
| Stefan Reinauer | 6651da3 | 2012-04-27 23:16:30 +0200 | [diff] [blame] | 17 | /* The _PTS method (Prepare To Sleep) is called before the OS is |
| 18 | * entering a sleep state. The sleep state number is passed in Arg0 |
| 19 | */ |
| 20 | |
| 21 | Method(_PTS,1) |
| 22 | { |
| 23 | // NVS has a flag to determine USB policy in S3 |
| 24 | if (S3U0) { |
| 25 | Store (One, GP47) // Enable USB0 |
| 26 | } Else { |
| 27 | Store (Zero, GP47) // Disable USB0 |
| 28 | } |
| 29 | |
| 30 | // NVS has a flag to determine USB policy in S3 |
| 31 | if (S3U1) { |
| 32 | Store (One, GP56) // Enable USB1 |
| 33 | } Else { |
| 34 | Store (Zero, GP56) // Disable USB1 |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | /* The _WAK method is called on system wakeup */ |
| 39 | |
| 40 | Method(_WAK,1) |
| 41 | { |
| 42 | Return(Package(){0,0}) |
| 43 | } |