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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl')
-rw-r--r-- | roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl b/roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl new file mode 100644 index 000000000..0ed7efd85 --- /dev/null +++ b/roms/u-boot/arch/x86/include/asm/acpi/irqroute.asl @@ -0,0 +1,47 @@ +/* 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 |