| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * Copyright (C) 2013 Google Inc. |
| * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com> |
| * |
| * Modified from coreboot src/soc/intel/baytrail/acpi/irqroute.asl |
| */ |
| |
| Name(\PICM, 0) |
| |
| /* |
| * The _PIC method is called by the OS to choose between interrupt |
| * routing via the i8259 interrupt controller or the APIC. |
| * |
| * _PIC is called with a parameter of 0 for i8259 configuration and |
| * with a parameter of 1 for Local APIC/IOAPIC configuration. |
| */ |
| Method(\_PIC, 1) |
| { |
| /* Remember the OS' IRQ routing choice */ |
| Store(Arg0, PICM) |
| } |
| |
| /* PCI interrupt routing */ |
| Method(_PRT) { |
| If (PICM) { |
| Return (Package() { |
| #undef PIC_MODE |
| #include "irq_helper.h" |
| PCI_DEV_PIRQ_ROUTES |
| }) |
| } Else { |
| Return (Package() { |
| #define PIC_MODE |
| #include "irq_helper.h" |
| PCI_DEV_PIRQ_ROUTES |
| }) |
| } |
| |
| } |
| |
| /* PCIe downstream ports interrupt routing */ |
| PCIE_BRIDGE_IRQ_ROUTES |
| #undef PIC_MODE |
| #include "irq_helper.h" |
| PCIE_BRIDGE_IRQ_ROUTES |
