src/mainboard/roda/rk886ex/acpi/thermal.asl

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 // Thermal Zone
   4
   5 Scope (\_TZ)
   6 {
   7         ThermalZone (THRM)
   8         {
   9
  10                 // FIXME these could/should be read from the
  11                 // GNVS area, so they can be controlled by
  12                 // coreboot
  13                 Name(TC1V, 0x04)
  14                 Name(TC2V, 0x03)
  15                 Name(TSPV, 0x64)
  16
  17                 // At which temperature should the OS start
  18                 // active cooling?
  19                 Method (_AC0, 0, Serialized)
  20                 {
  21                         Return (0xf5c) // Value for Rocky
  22                 }
  23
  24                 // Method (_AC1, 0, Serialized)
  25                 // {
  26                 //      Return (0xf5c)
  27                 // }
  28
  29                 // Critical shutdown temperature
  30                 Method (_CRT, 0, Serialized)
  31                 {
  32                         Return (0x0aac + 0x50) // FIXME
  33                 }
  34
  35                 // CPU throttling start temperature
  36                 Method (_PSV, 0, Serialized)
  37                 {
  38                         Return (0xaaf) // FIXME
  39                 }
  40
  41                 // Get DTS Temperature
  42                 Method (_TMP, 0, Serialized)
  43                 {
  44                         Return (0xaac) // FIXME
  45                 }
  46
  47                 // Processors used for active cooling
  48                 Method (_PSL, 0, Serialized)
  49                 {
  50                         If (MPEN) {
  51                                 Return (Package() {\_SB.CP00, \_SB.CP01})
  52                         }
  53                         Return (Package() {\_SB.CP00})
  54                 }
  55
  56                 // TC1 value for passive cooling
  57                 Method (_TC1, 0, Serialized)
  58                 {
  59                         Return (TC1V)
  60                 }
  61
  62                 // TC2 value for passive cooling
  63                 Method (_TC2, 0, Serialized)
  64                 {
  65                         Return (TC2V)
  66                 }
  67
  68                 // Sampling period for passive cooling
  69                 Method (_TSP, 0, Serialized)
  70                 {
  71                         Return (TSPV)
  72                 }
  73
  74
  75         }
  76 }