src/mainboard/amd/union_station/acpi_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2011 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/acpigen.h>
  20 #include <arch/ioapic.h>
  21 #include <device/pci.h>
  22 #include <device/pci_ids.h>
  23 #include <cpu/x86/msr.h>
  24 #include <northbridge/amd/agesa/agesawrapper.h>
  25 #include <cpu/amd/mtrr.h>
  26 #include <cpu/amd/amdfam14.h>
  27
  28 unsigned long acpi_fill_madt(unsigned long current)
  29 {
  30         /* create all subtables for processors */
  31         current = acpi_create_madt_lapics(current);
  32
  33         /* Write SB800 IOAPIC, only one */
  34         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
  35                         CONFIG_MAX_CPUS, IO_APIC_ADDR, 0);
  36
  37         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  38                         current, 0, 0, 2, 0);
  39         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
  40                         current, 0, 9, 9, 0xF);
  41
  42         /* 0: mean bus 0--->ISA */
  43         /* 0: PIC 0 */
  44         /* 2: APIC 2 */
  45         /* 5 mean: 0101 --> Edge-triggered, Active high */
  46
  47         /* create all subtables for processors */
  48         /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */
  49         /* 1: LINT1 connect to NMI */
  50
  51         return current;
  52 }