src/mainboard/google/butterfly/acpi_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007-2009 coresystems GmbH
   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 <types.h>
  17 #include <string.h>
  18 #include <cbmem.h>
  19 #include <console/console.h>
  20 #include <arch/acpi.h>
  21 #include <arch/ioapic.h>
  22 #include <arch/acpigen.h>
  23 #include <arch/smp/mpspec.h>
  24 #include <device/device.h>
  25 #include <device/pci.h>
  26 #include <device/pci_ids.h>
  27 #include <cpu/cpu.h>
  28 #include <cpu/x86/msr.h>
  29 #include <vendorcode/google/chromeos/gnvs.h>
  30 #include <ec/quanta/ene_kb3940q/ec.h>
  31
  32 #include <southbridge/intel/bd82x6x/pch.h>
  33 #include <southbridge/intel/bd82x6x/nvs.h>
  34 #include "thermal.h"
  35
  36 static void acpi_update_thermal_table(global_nvs_t *gnvs)
  37 {
  38         /* EC handles all thermal and fan control on Butterfly. */
  39         gnvs->tcrt = CRITICAL_TEMPERATURE;
  40         gnvs->tpsv = PASSIVE_TEMPERATURE;
  41 }
  42
  43 void acpi_create_gnvs(global_nvs_t *gnvs)
  44 {
  45         /* Disable USB ports in S3 by default */
  46         gnvs->s3u0 = 0;
  47         gnvs->s3u1 = 0;
  48
  49         /* Disable USB ports in S5 by default */
  50         gnvs->s5u0 = 0;
  51         gnvs->s5u1 = 0;
  52
  53
  54         // TODO: MLR
  55         // The firmware read/write status is a "virtual" switch and
  56         // will be handled elsewhere.  Until then hard-code to
  57         // read/write instead of read-only for developer mode.
  58         gnvs->chromeos.vbt2 = ACTIVE_ECFW_RW;
  59
  60         // the lid is open by default.
  61         gnvs->lids = 1;
  62
  63         acpi_update_thermal_table(gnvs);
  64
  65 }