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/*
* 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;
}
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