src/mainboard/roda/rk886ex/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
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; version 2 of
   9  * the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  19  * MA 02110-1301 USA
  20  */
  21
  22 // Thermal Zone
  23
  24 Scope (\_TZ)
  25 {
  26         ThermalZone (THRM)
  27         {
  28
  29                 // FIXME these could/should be read from the
  30                 // GNVS area, so they can be controlled by
  31                 // coreboot
  32                 Name(TC1V, 0x04)
  33                 Name(TC2V, 0x03)
  34                 Name(TSPV, 0x64)
  35
  36                 // At which temperature should the OS start
  37                 // active cooling?
  38                 Method (_AC0, 0, Serialized)
  39                 {
  40                         Return (0xf5c) // Value for Rocky
  41                 }
  42
  43                 // Method (_AC1, 0, Serialized)
  44                 // {
  45                 //      Return (0xf5c)
  46                 // }
  47
  48                 // Critical shutdown temperature
  49                 Method (_CRT, 0, Serialized)
  50                 {
  51                         Return (Add (0x0aac, 0x50)) // FIXME
  52                 }
  53
  54                 // CPU throttling start temperature
  55                 Method (_PSV, 0, Serialized)
  56                 {
  57                         Return (0xaaf) // FIXME
  58                 }
  59
  60                 // Get DTS Temperature
  61                 Method (_TMP, 0, Serialized)
  62                 {
  63                         Return (0xaac) // FIXME
  64                 }
  65
  66                 // Processors used for active cooling
  67                 Method (_PSL, 0, Serialized)
  68                 {
  69                         If (MPEN) {
  70                                 Return (Package() {\_PR.CPU0, \_PR.CPU1})
  71                         }
  72                         Return (Package() {\_PR.CPU0})
  73                 }
  74
  75                 // TC1 value for passive cooling
  76                 Method (_TC1, 0, Serialized)
  77                 {
  78                         Return (TC1V)
  79                 }
  80
  81                 // TC2 value for passive cooling
  82                 Method (_TC2, 0, Serialized)
  83                 {
  84                         Return (TC2V)
  85                 }
  86
  87                 // Sampling period for passive cooling
  88                 Method (_TSP, 0, Serialized)
  89                 {
  90                         Return (TSPV)
  91                 }
  92
  93
  94         }
  95 }
  96