| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 Sage Electronic Engineering, LLC |
| * |
| * 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. |
| */ |
| |
| /* Note: Only need HID on Primary Bus */ |
| External (TOM1) |
| External (TOM2) |
| Name(_HID, EISAID("PNP0A03")) /* PCI Express Root Bridge */ |
| |
| /* Describe the Northbridge devices */ |
| |
| Method (_BBN, 0, NotSerialized) |
| { |
| Return (Zero) |
| } |
| |
| Method (_STA, 0, NotSerialized) |
| { |
| Return (0x0B) |
| } |
| |
| Method (_PRT, 0, NotSerialized) |
| { |
| If (PMOD) |
| { |
| Return (APR0) |
| } |
| |
| Return (PR0) |
| } |
| |
| Device(AMRT) { |
| Name(_ADR, 0x00000000) |
| } /* end AMRT */ |
| |
| Device(PCSD) { /* Processor configuration space devices */ |
| Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */ |
| } |
| |
| /* Dev2 is also an external GFX bridge */ |
| Device(PBR2) { |
| Name(_ADR, 0x00020000) |
| Name(_PRW, Package() {0x18, 4}) |
| Method(_PRT,0) { |
| If(PMOD) { Return(APS2) } /* APIC mode */ |
| Return (PS2) /* PIC Mode */ |
| } /* end _PRT */ |
| } /* end PBR2 */ |
| |
| /* Dev3 GPP Root Port Bridge */ |
| Device(PBR3) { |
| Name(_ADR, 0x00030000) |
| Name(_PRW, Package() {0x18, 4}) |
| Method(_PRT,0) { |
| If(PMOD) { Return(APS3) } /* APIC mode */ |
| Return (PS3) /* PIC Mode */ |
| } /* end _PRT */ |
| } /* end PBR3 */ |