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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "agesawrapper.h"
#include <arch/ioapic.h>
#include <console/console.h>
#include <cpu/amd/amdfam14.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
/**
* Global variables for mainboard layouts. These are shared by irqtable,
* mptable and acpi_tables where busnum is default.
*/
u8 bus_sb800[6];
u32 apicid_sb800;
u32 apicver_sb800;
void get_bus_conf(void)
{
u32 apicid_base;
device_t dev;
int i;
memset(bus_sb800, 0, sizeof(bus_sb800));
/* sb800 */
dev = dev_find_slot(0, PCI_DEVFN(0x14, 4));
if (dev) {
bus_sb800[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
for (i = 0; i < 4; i++) {
dev = dev_find_slot(0, PCI_DEVFN(0x14, i));
if (dev) {
bus_sb800[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
}
/* I/O APICs: APIC ID Version State Address */
apicid_base = CONFIG_MAX_CPUS;
/*
* By the time this function gets called, the IOAPIC registers
* have been written so they can be read to get the correct
* APIC ID and Version
*/
apicid_sb800 = (io_apic_read(IO_APIC_ADDR, 0x00) >> 24);
apicver_sb800 = (io_apic_read(IO_APIC_ADDR, 0x01) & 0xFF);
}
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