diff options
Diffstat (limited to 'src/mainboard/lenovo/x200/acpi/gpe.asl')
-rw-r--r-- | src/mainboard/lenovo/x200/acpi/gpe.asl | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x200/acpi/gpe.asl b/src/mainboard/lenovo/x200/acpi/gpe.asl new file mode 100644 index 0000000000..cc6075f223 --- /dev/null +++ b/src/mainboard/lenovo/x200/acpi/gpe.asl @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org> + * + * 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., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +Scope (\_GPE) +{ + Method(_L18, 0, NotSerialized) + { + /* Read EC register to clear wake status */ + Store(\_SB.PCI0.LPCB.EC.WAKE, Local0) + } + + Method (_L01, 0, NotSerialized) + { + If (\_SB.PCI0.RP04.HPCS) + { + Sleep (100) + Store (0x01, \_SB.PCI0.RP04.HPCS) + If (\_SB.PCI0.RP04.PDC) + { + Store (0x01, \_SB.PCI0.RP04.PDC) + Notify (\_SB.PCI0.RP04, 0x00) + } + } + } +} |