src/mainboard/amd/south_station/get_bus_conf.c

/*
 * 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 <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <cpu/amd/amdfam14.h>
#include "agesawrapper.h"


/* Global variables for MB layouts and these will be shared by irqtable mptable
* and acpi_tables busnum is default.
*/
u8 bus_sb800[6];
u32 apicid_sb800;

/*
* Here you only need to set value in pci1234 for HT-IO that could be installed or not
* You may need to preset pci1234 for HTIO board,
* please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
*/
u32 pci1234x[] = {
  0x0000ff0,
};

u32 sbdn_sb800;

void get_bus_conf(void)
{
  u32 apicid_base;

  device_t dev;
  int i;


  sbdn_sb800 = 0;

  memset(bus_sb800, 0, sizeof(bus_sb800));


//  bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff;
  bus_sb800[0] = (pci1234x[0] >> 16) & 0xff;

  /* sb800 */
  dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, 4));



  if (dev) {
    bus_sb800[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
  }

  for (i = 0; i < 4; i++) {
    dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 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;
  apicid_sb800 = apicid_base;

}