src/mainboard/supermicro/h8scm_fam10/acpi_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2010 Advanced Micro Devices, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <console/console.h>
  17 #include <string.h>
  18 #include <arch/acpi.h>
  19 #include <arch/ioapic.h>
  20 #include <device/pci.h>
  21 #include <device/pci_ids.h>
  22 #include <cpu/x86/msr.h>
  23 #include <cpu/amd/mtrr.h>
  24 #include <cpu/amd/amdfam10_sysconf.h>
  25
  26 #include "mb_sysconf.h"
  27
  28 unsigned long acpi_fill_madt(unsigned long current)
  29 {
  30         device_t dev;
  31         u32 dword;
  32         u32 gsi_base=0;
  33         /* create all subtables for processors */
  34         current = acpi_create_madt_lapics(current);
  35
  36         /* Write SB700 IOAPIC, only one */
  37         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
  38                                            IO_APIC_ADDR, gsi_base);
  39         /* IOAPIC on rs5690 */
  40         gsi_base += 24;         /* SB700 has 24 IOAPIC entries. */
  41         dev = dev_find_slot(0, PCI_DEVFN(0, 0));
  42         if (dev) {
  43                 pci_write_config32(dev, 0xF8, 0x1);
  44                 dword = pci_read_config32(dev, 0xFC) & 0xfffffff0;
  45                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2+1,
  46                                                    dword, gsi_base);
  47         }
  48
  49
  50         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  51                                                 current, 0, 0, 2, 0);
  52         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  53                                                 current, 0, 9, 9, 0xF);
  54         /* 0: mean bus 0--->ISA */
  55         /* 0: PIC 0 */
  56         /* 2: APIC 2 */
  57         /* 5 mean: 0101 --> Edge-triggered, Active high */
  58
  59         /* create all subtables for processors */
  60         /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
  61         /* 1: LINT1 connect to NMI */
  62
  63         return current;
  64 }