| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * |
| * 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 |
| */ |
| |
| /* Intel Cougar Point USB support */ |
| |
| // EHCI Controller 0:1d.0 |
| |
| Device (EHC1) |
| { |
| Name(_ADR, 0x001d0000) |
| |
| Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake |
| |
| // Leave USB ports on for to allow Wake from USB |
| |
| Method(_S3D,0) // Highest D State in S3 State |
| { |
| Return (2) |
| } |
| |
| Method(_S4D,0) // Highest D State in S4 State |
| { |
| Return (2) |
| } |
| |
| Device (HUB7) |
| { |
| Name (_ADR, 0x00000000) |
| |
| // How many are there? |
| Device (PRT1) { Name (_ADR, 1) } // USB Port 0 |
| Device (PRT2) { Name (_ADR, 2) } // USB Port 1 |
| Device (PRT3) { Name (_ADR, 3) } // USB Port 2 |
| Device (PRT4) { Name (_ADR, 4) } // USB Port 3 |
| Device (PRT5) { Name (_ADR, 5) } // USB Port 4 |
| Device (PRT6) { Name (_ADR, 6) } // USB Port 5 |
| } |
| } |
| |
| // EHCI #2 Controller 0:1a.0 |
| |
| Device (EHC2) |
| { |
| Name(_ADR, 0x001a0000) |
| |
| Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake |
| |
| // Leave USB ports on for to allow Wake from USB |
| |
| Method(_S3D,0) // Highest D State in S3 State |
| { |
| Return (2) |
| } |
| |
| Method(_S4D,0) // Highest D State in S4 State |
| { |
| Return (2) |
| } |
| |
| Device (HUB7) |
| { |
| Name (_ADR, 0x00000000) |
| |
| // How many are there? |
| Device (PRT1) { Name (_ADR, 1) } // USB Port 0 |
| Device (PRT2) { Name (_ADR, 2) } // USB Port 1 |
| Device (PRT3) { Name (_ADR, 3) } // USB Port 2 |
| Device (PRT4) { Name (_ADR, 4) } // USB Port 3 |
| Device (PRT5) { Name (_ADR, 5) } // USB Port 4 |
| Device (PRT6) { Name (_ADR, 6) } // USB Port 5 |
| } |
| } |
| |
| Device (XHC) |
| { |
| Name(_ADR, 0x00140000) |
| OperationRegion(XDEV, PCI_Config, 0, 256) |
| Field(XDEV, DWordAcc, NoLock, Preserve) |
| { |
| Offset(0xD0), |
| X2PR, 32, // XUSB2PR |
| PRM2, 32, // XUSB2PRM |
| SSEN, 32, // USB3_PSSEN |
| RPM3, 32, // USB3PRM |
| XPRT, 32, // XHCI Ports |
| } |
| |
| Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake |
| |
| Method(POSC,3,Serialized) |
| { |
| // Create DWord field from the Capabilities Buffer |
| CreateDWordField(Arg2,0,CDW1) |
| |
| // Check revision |
| If(LNotEqual(Arg1,One)) { |
| // Set unknown revision bit |
| Or(CDW1,0x8,CDW1) |
| } |
| |
| // Set failure if xHCI is disabled by BIOS |
| If(LEqual(XHCI, 0)) { |
| Or(CDW1,0x2,CDW1) |
| } |
| |
| // Query flag clear and xHCI in auto mode |
| If(LAnd(LNot(And(CDW1,0x1)),LOr(LEqual(XHCI ,2), LEqual(XHCI ,3)))) { |
| Store ("XHCI Switch", Debug) |
| Store(Zero, Local0) |
| And(XPRT, 0x3, Local0) |
| If(LOr(LEqual(Local0, 0), LEqual(Local0, 1))) { |
| Store(0xF, Local1) |
| } |
| ElseIf(LEqual(Local0, 2)) { |
| Store(0x3, Local1) |
| } |
| ElseIf(LEqual(Local0, 3)) { |
| Store(Zero, Local1) |
| } |
| And(RPM3, 0xFFFFFFF0, Local0) |
| Or(Local0, Local1, RPM3) |
| And(PRM2, 0xFFFFFFF0, Local0) |
| Or(Local0, Local1, PRM2) |
| And(SSEN, 0xFFFFFFF0, Local0) |
| Or(Local0, Local1, SSEN) |
| And(X2PR, 0xFFFFFFF0, Local0) |
| Or(Local0, Local1, X2PR) |
| } |
| Return(Arg2) |
| } |
| |
| // Leave USB ports on for to allow Wake from USB |
| Method(_S3D,0) // Highest D State in S3 State |
| { |
| Return (2) |
| } |
| |
| Method(_S4D,0) // Highest D State in S4 State |
| { |
| Return (2) |
| } |
| } |