src/mainboard/kontron/986lcd-m/acpi/thermal.asl

   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  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 // Thermal Zone
  21
  22 Scope (\_TZ)
  23 {
  24         ThermalZone (THRM)
  25         {
  26
  27                 // FIXME these could/should be read from the
  28                 // GNVS area, so they can be controlled by
  29                 // coreboot
  30                 Name(TC1V, 0x04)
  31                 Name(TC2V, 0x03)
  32                 Name(TSPV, 0x64)
  33
  34                 // At which temperature should the OS start
  35                 // active cooling?
  36                 Method (_AC0, 0, Serialized)
  37                 {
  38                         Return (0xf5c) // Value for Rocky
  39                 }
  40
  41                 // Method (_AC1, 0, Serialized)
  42                 // {
  43                 //      Return (0xf5c)
  44                 // }
  45
  46                 // Critical shutdown temperature
  47                 Method (_CRT, 0, Serialized)
  48                 {
  49                         Return (Add (0x0aac, 0x50)) // FIXME
  50                 }
  51
  52                 // CPU throttling start temperature
  53                 Method (_PSV, 0, Serialized)
  54                 {
  55                         Return (0xaaf) // FIXME
  56                 }
  57
  58                 // Get DTS Temperature
  59                 Method (_TMP, 0, Serialized)
  60                 {
  61                         Return (0xaac) // FIXME
  62                 }
  63
  64                 // Processors used for active cooling
  65                 Method (_PSL, 0, Serialized)
  66                 {
  67                         If (MPEN) {
  68                                 Return (Package() {\_PR.CPU1, \_PR.CPU2})
  69                         }
  70                         Return (Package() {\_PR.CPU1})
  71                 }
  72
  73                 // TC1 value for passive cooling
  74                 Method (_TC1, 0, Serialized)
  75                 {
  76                         Return (TC1V)
  77                 }
  78
  79                 // TC2 value for passive cooling
  80                 Method (_TC2, 0, Serialized)
  81                 {
  82                         Return (TC2V)
  83                 }
  84
  85                 // Sampling period for passive cooling
  86                 Method (_TSP, 0, Serialized)
  87                 {
  88                         Return (TSPV)
  89                 }
  90
  91
  92         }
  93 }
  94