| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 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., 51 Franklin St, Fifth Floor, Boston, |
| * MA 02110-1301 USA |
| */ |
| |
| /* LynxPoint-H */ |
| |
| Scope (\_SB.PCI0.LPCB) |
| { |
| // GWAK: Setup GPIO as ACPI GPE for Wake |
| // Arg0: GPIO Number |
| Method (GWAK, 1, NotSerialized) |
| { |
| // Local0 = GPIO Base Address |
| Store (And (GPBS, Not(0x1)), Local0) |
| |
| // Local1 = BANK, Local2 = OFFSET |
| Divide (Arg0, 32, Local2, Local1) |
| |
| // |
| // Set OWNER to ACPI |
| // |
| |
| // Local3 = GPIOBASE + GPIO_OWN(BANK) |
| Store (Add (Local0, Multiply (Local1, 0x4)), Local3) |
| |
| // GPIO_OWN(BANK) |
| OperationRegion (IOWN, SystemIO, Local3, 4) |
| Field (IOWN, AnyAcc, NoLock, Preserve) { |
| GOWN, 32, |
| } |
| |
| // GPIO_OWN[GPIO] = 0 (ACPI) |
| Store (And (GOWN, Not (ShiftLeft (0x1, Local2))), GOWN) |
| |
| // |
| // Set ROUTE to SCI |
| // |
| |
| // Local3 = GPIOBASE + GPIO_ROUTE(BANK) |
| Store (Add (Add (Local0, 0x30), Multiply (Local1, 0x4)), Local3) |
| |
| // GPIO_ROUTE(BANK) |
| OperationRegion (IROU, SystemIO, Local3, 4) |
| Field (IROU, AnyAcc, NoLock, Preserve) { |
| GROU, 32, |
| } |
| |
| // GPIO_ROUTE[GPIO] = 0 (SCI) |
| Store (And (GROU, Not (ShiftLeft (0x1, Local2))), GROU) |
| |
| // |
| // Set GPnCONFIG to GPIO|INPUT|INVERT |
| // |
| |
| // Local3 = GPIOBASE + GPnCONFIG0(GPIO) |
| Store (Add (Add (Local0, 0x100), Multiply (Arg0, 0x8)), Local3) |
| |
| // GPnCONFIG(GPIO) |
| OperationRegion (GPNC, SystemIO, Local3, 8) |
| Field (GPNC, AnyAcc, NoLock, Preserve) { |
| GMOD, 1, // MODE: 0=NATIVE 1=GPIO |
| , 1, |
| GIOS, 1, // IO_SEL: 0=OUTPUT 1=INPUT |
| GINV, 1, // INVERT: 0=NORMAL 1=INVERT |
| GLES, 1, // LxEB: 0=EDGE 1=LEVEL |
| , 24, |
| ILVL, 1, // INPUT: 0=LOW 1=HIGH |
| OLVL, 1, // OUTPUT: 0=LOW 1=HIGH |
| GPWP, 2, // PULLUP: 00=NONE 01=DOWN 10=UP 11=INVALID |
| ISEN, 1, // SENSE: 0=ENABLE 1=DISABLE |
| } |
| |
| Store (0x1, GMOD) // GPIO |
| Store (0x1, GIOS) // INPUT |
| Store (0x1, GINV) // INVERT |
| } |
| } |
