| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 Google Inc. |
| * Copyright (C) 2014 Sage Electronics 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. |
| */ |
| |
| |
| /* |
| * This file intentionally gets included multiple times, to set pic and apic |
| * modes, so should not have guard statements added. |
| */ |
| |
| /* |
| * This file will use arch/x86/acpi/irqroute.asl and mainboard/irqroute.h |
| * to generate the ACPI IRQ routing for the mainboard being compiled. |
| * This method uses #defines in irqroute.h along with the macros contained |
| * in this file to generate an IRQ routing for each PCI device in the system. |
| */ |
| |
| #undef PCI_DEV_PIRQ_ROUTES |
| #undef ACPI_DEV_IRQ |
| #undef PCI_DEV_PIRQ_ROUTE |
| #undef PIRQ_PIC_ROUTES |
| #undef PIRQ_PIC |
| #undef IRQROUTE_H |
| #undef ROOTPORT_METHODS |
| #undef RP_METHOD |
| #undef ROOTPORT_IRQ_ROUTES |
| #undef RP_IRQ_ROUTES |
| |
| #if defined(PIC_MODE) |
| |
| #define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \ |
| Package() { ## dev_ ## ffff, pin_, \_SB.PCI0.LPCB.LNK ## pin_name_, 0 } |
| |
| #define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \ |
| Name(prefix_ ## func_ ## P, Package() \ |
| { \ |
| ACPI_DEV_IRQ(0x0000, 0, a_), \ |
| ACPI_DEV_IRQ(0x0000, 1, b_), \ |
| ACPI_DEV_IRQ(0x0000, 2, c_), \ |
| ACPI_DEV_IRQ(0x0000, 3, d_), \ |
| }) |
| |
| /* define as blank so ROOTPORT_METHODS only gets inserted once */ |
| #define ROOTPORT_METHODS(prefix_, dev_) |
| |
| #else /* defined(PIC_MODE) */ |
| |
| #define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \ |
| Package() { ## dev_ ## ffff, pin_, 0, PIRQ ## pin_name_ ## _APIC_IRQ } |
| |
| #define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \ |
| Name(prefix_ ## func_ ## A, Package() \ |
| { \ |
| ACPI_DEV_IRQ(0x0000, 0, a_), \ |
| ACPI_DEV_IRQ(0x0000, 1, b_), \ |
| ACPI_DEV_IRQ(0x0000, 2, c_), \ |
| ACPI_DEV_IRQ(0x0000, 3, d_), \ |
| }) |
| |
| #define ROOTPORT_METHODS(prefix_, dev_) \ |
| RP_METHOD(prefix_, dev_, 0) \ |
| RP_METHOD(prefix_, dev_, 1) \ |
| RP_METHOD(prefix_, dev_, 2) \ |
| RP_METHOD(prefix_, dev_, 3) \ |
| RP_METHOD(prefix_, dev_, 4) \ |
| RP_METHOD(prefix_, dev_, 5) \ |
| RP_METHOD(prefix_, dev_, 6) \ |
| RP_METHOD(prefix_, dev_, 7) |
| |
| #endif /* defined(PIC_MODE) */ |
| |
| #define PCI_DEV_PIRQ_ROUTE(dev_, a_, b_, c_, d_) \ |
| ACPI_DEV_IRQ(dev_, 0, a_), \ |
| ACPI_DEV_IRQ(dev_, 1, b_), \ |
| ACPI_DEV_IRQ(dev_, 2, c_), \ |
| ACPI_DEV_IRQ(dev_, 3, d_) |
| |
| #define PCIE_BRIDGE_DEV(prefix_, dev_, a_, b_, c_, d_) \ |
| ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \ |
| ROOTPORT_METHODS(prefix_, dev_) |
| |
| #define ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \ |
| RP_IRQ_ROUTES(prefix_, 0, a_, b_, c_, d_) \ |
| RP_IRQ_ROUTES(prefix_, 1, b_, c_, d_, a_) \ |
| RP_IRQ_ROUTES(prefix_, 2, c_, d_, a_, b_) \ |
| RP_IRQ_ROUTES(prefix_, 3, d_, a_, b_, c_) \ |
| RP_IRQ_ROUTES(prefix_, 4, a_, b_, c_, d_) \ |
| RP_IRQ_ROUTES(prefix_, 5, b_, c_, d_, a_) \ |
| RP_IRQ_ROUTES(prefix_, 6, c_, d_, a_, b_) \ |
| RP_IRQ_ROUTES(prefix_, 7, d_, a_, b_, c_) |
| |
| #define RP_METHOD(prefix_, dev_, func_)\ |
| Device(prefix_ ## 0 ## func_) \ |
| { \ |
| Name(_ADR, dev_ ## 000 ## func_) \ |
| Name(_PRW, Package() { \ |
| 0, 0 \ |
| }) \ |
| Method(_PRT,0) { \ |
| If(PICM) { \ |
| Return (prefix_ ## func_ ## A) \ |
| } Else { \ |
| Return (prefix_ ## func_ ## P) \ |
| } \ |
| } \ |
| } |
| |
| /* Empty PIRQ_PIC definition. */ |
| #define PIRQ_PIC(pirq_, pic_irq_) |
| |
| /* Include the mainboard irq route definition */ |
| #include "irqroute.h" |