| /* |
| * Copyright (C) 2013 Google Inc. |
| * Copyright (C) 2014 Sage Electronics Engineering, LLC. |
| * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com> |
| * |
| * Modified from coreboot src/soc/intel/baytrail/include/soc/irq_helper.h |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /* |
| * This file intentionally gets included multiple times, to set pic and apic |
| * modes, so should not have guard statements added. |
| */ |
| |
| /* |
| * This file will use irqroute.asl and irqroute.h to generate the ACPI IRQ |
| * routing for the platform 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 PCI_DEV_PIRQ_ROUTE |
| #undef ACPI_DEV_IRQ |
| #undef PCIE_BRIDGE_DEV |
| #undef RP_IRQ_ROUTES |
| #undef ROOTPORT_METHODS |
| #undef ROOTPORT_IRQ_ROUTES |
| #undef RP_METHOD |
| |
| #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) { \ |
| If (PICM) { \ |
| Return (prefix_ ## func_ ## A) \ |
| } Else { \ |
| Return (prefix_ ## func_ ## P) \ |
| } \ |
| } \ |
| } |
| |
| /* SoC specific PIRQ route configuration */ |
| #include <asm/arch/acpi/irqroute.h> |