| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <device/pci_def.h> |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| struct device *bdev, *dev = NULL; |
| struct resource *res = NULL; |
| |
| current = acpi_create_madt_lapics_with_nmis(current); |
| |
| /* Southbridge IOAPIC */ |
| current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, 0xfec00000); |
| |
| bdev = pcidev_on_root(2, 0); |
| /* P64H2 Bus B IOAPIC */ |
| if (bdev) |
| dev = pcidev_path_behind(bdev->link_list, PCI_DEVFN(28, 0)); |
| if (dev) { |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, res->base); |
| } |
| |
| /* P64H2 Bus A IOAPIC */ |
| if (bdev) |
| dev = pcidev_path_behind(bdev->link_list, PCI_DEVFN(30, 0)); |
| if (dev) { |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, res->base); |
| } |
| |
| /* Map ISA IRQ 0 to IRQ 2 */ |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 1, 0, 2, 0); |
| |
| /* IRQ9 differs from ISA standard - ours is active high, level-triggered */ |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 0, 9, 9, 0xD); |
| |
| return current; |
| } |