/* * This file is part of the coreboot project. * * Written by Stefan Reinauer <stepan@openbios.org>. * ACPI FADT, FACS, and DSDT table support added by * * Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org> * Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com> * Copyright (C) 2007, 2008 Rudolf Marek <r.marek@assembler.cz> * Copyright (C) 2009 Harald Gutmann <harald.gutmann@gmx.net> * * 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. */ #include <console/console.h> #include <string.h> #include <arch/acpi.h> #include <arch/smp/mpspec.h> #include <device/device.h> #include <device/pci_ids.h> #include "northbridge/amd/amdk8/acpi.h" #include <cpu/amd/powernow.h> #include <device/pci.h> #include <cpu/amd/amdk8_sysconf.h> unsigned long acpi_fill_madt(unsigned long current) { unsigned int gsi_base = 0x18; extern unsigned char bus_mcp55[8]; extern unsigned apicid_mcp55; unsigned sbdn; struct resource *res; device_t dev; get_bus_conf(); sbdn = sysconf.sbdn; /* Create all subtables for processors. */ current = acpi_create_madt_lapics(current); /* Write SB IOAPIC. */ dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn+ 0x1,0)); if (dev) { res = find_resource(dev, PCI_BASE_ADDRESS_1); if (res) { current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, apicid_mcp55, res->base, 0); } } /* Write NB IOAPIC. */ dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn+ 0x12,1)); if (dev) { res = find_resource(dev, PCI_BASE_ADDRESS_1); if (res) { current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, apicid_mcp55++, res->base, gsi_base); } } /* IRQ9 ACPI active low. */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); /* IRQ0 -> APIC IRQ2. */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 0, 2, 0x0); /* Create all subtables for processors. */ current = acpi_create_madt_lapic_nmis(current, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 1); return current; }