| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.de> |
| * |
| * 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 |
| */ |
| |
| Field (\_SB.PCI0.LPCB.PCIC, AnyAcc, NoLock, Preserve) |
| { |
| Offset (0x60), // Interrupt Routing Registers |
| PRTA, 8, |
| PRTB, 8, |
| PRTC, 8, |
| PRTD, 8, |
| } |
| |
| Name(IRQB, ResourceTemplate(){ |
| IRQ(Level,ActiveLow,Shared){15} |
| }) |
| |
| Name(IRQP, ResourceTemplate(){ |
| IRQ(Level,ActiveLow,Exclusive){3, 4, 5, 6, 7, 10, 11, 12} |
| }) |
| |
| /* adapted from ma78gm/dsdt.asl */ |
| #define PCI_INTX_DEV(intx, pinx, uid) \ |
| Device(intx) { \ |
| Name(_HID, EISAID("PNP0C0F")) \ |
| Name(_UID, uid) \ |
| \ |
| Method(_STA, 0) { \ |
| If (And(pinx, 0x80)) { \ |
| Return(0x09) \ |
| } \ |
| Return(0x0B) \ |
| } \ |
| \ |
| Method(_DIS ,0) { \ |
| Store(0x80, pinx) \ |
| } \ |
| \ |
| Method(_PRS ,0) { \ |
| Return(IRQP) \ |
| } \ |
| \ |
| Method(_CRS ,0) { \ |
| CreateWordField(IRQB, 1, IRQN) \ |
| ShiftLeft(1, And(pinx, 0x0f), IRQN) \ |
| Return(IRQB) \ |
| } \ |
| \ |
| Method(_SRS, 1) { \ |
| CreateWordField(ARG0, 1, IRQM) \ |
| \ |
| /* Use lowest available IRQ */ \ |
| FindSetRightBit(IRQM, Local0) \ |
| if (Local0) { \ |
| Decrement(Local0) \ |
| } \ |
| Store(Local0, pinx) \ |
| } \ |
| } \ |
| |
| PCI_INTX_DEV(LNKA, PRTA, 1) |
| PCI_INTX_DEV(LNKB, PRTB, 2) |
| PCI_INTX_DEV(LNKC, PRTC, 3) |
| PCI_INTX_DEV(LNKD, PRTD, 4) |
