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
  17 // Thermal Zone
  18
  19 Scope (\_TZ)
  20 {
  21         ThermalZone (THRM)
  22         {
  23
  24                 // FIXME these could/should be read from the
  25                 // GNVS area, so they can be controlled by
  26                 // coreboot
  27                 Name(TC1V, 0x04)
  28                 Name(TC2V, 0x03)
  29                 Name(TSPV, 0x64)
  30
  31                 // At which temperature should the OS start
  32                 // active cooling?
  33                 Method (_AC0, 0, Serialized)
  34                 {
  35                         Return (0xf5c) // Value for Rocky
  36                 }
  37
  38                 // Method (_AC1, 0, Serialized)
  39                 // {
  40                 //      Return (0xf5c)
  41                 // }
  42
  43                 // Critical shutdown temperature
  44                 Method (_CRT, 0, Serialized)
  45                 {
  46                         Return (Add (0x0aac, 0x50)) // FIXME
  47                 }
  48
  49                 // CPU throttling start temperature
  50                 Method (_PSV, 0, Serialized)
  51                 {
  52                         Return (0xaaf) // FIXME
  53                 }
  54
  55                 // Get DTS Temperature
  56                 Method (_TMP, 0, Serialized)
  57                 {
  58                         Return (0xaac) // FIXME
  59                 }
  60
  61                 // Processors used for active cooling
  62                 Method (_PSL, 0, Serialized)
  63                 {
  64                         If (MPEN) {
  65                                 Return (Package() {\_PR.CP00, \_PR.CP01})
  66                         }
  67                         Return (Package() {\_PR.CP00})
  68                 }
  69
  70                 // TC1 value for passive cooling
  71                 Method (_TC1, 0, Serialized)
  72                 {
  73                         Return (TC1V)
  74                 }
  75
  76                 // TC2 value for passive cooling
  77                 Method (_TC2, 0, Serialized)
  78                 {
  79                         Return (TC2V)
  80                 }
  81
  82                 // Sampling period for passive cooling
  83                 Method (_TSP, 0, Serialized)
  84                 {
  85                         Return (TSPV)
  86                 }
  87
  88
  89         }
  90 }