cc20411062
Fixed System auto shutdown when it reached minus 20 degree. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: lushifex <shifeix.a.lu@intel.com> Reviewed-by: David Wei <david.wei@intel.com>
144 lines
3.9 KiB
Plaintext
144 lines
3.9 KiB
Plaintext
/**************************************************************************;
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;* *;
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;* *;
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;* Intel Corporation - ACPI Reference Code for the Baytrail *;
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;* Family of Customer Reference Boards. *;
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;* *;
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;* *;
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;* Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved *;
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;
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; This program and the accompanying materials are licensed and made available under
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; the terms and conditions of the BSD License that accompanies this distribution.
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; The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;* *;
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;* *;
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;**************************************************************************/
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// THERMAL.ASL represents a Thermal Zone to be used for testing on the
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// Customer Reference Boards.
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External(\_SB.DPTF.CTOK, MethodObj)
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Scope(\_TZ)
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{
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// Thermal Zone 1 = DTS Thermal Zone.
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ThermalZone(TZ01)
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{
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// Return the temperature at which the OS must perform a Critcal
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// Shutdown.
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Method(_CRT,0,Serialized)
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{
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Return(Add(2732,Multiply(CRTT,10)))
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}
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// Notifies ASL Code the current cooling mode.
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// 0 - Active cooling
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// 1 - Passive cooling
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Method(_SCP,1,Serialized)
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{
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Store(Arg0,CTYP)
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}
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// _TMP (Temperature)
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//
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// Return the highest of the CPU temperatures to the OS.
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//
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// Arguments: (0)
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// None
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// Return Value:
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// An Integer containing the current temperature of the thermal zone (in tenths of degrees Kelvin)
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//
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Method(_TMP,0,Serialized)
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{
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If(DTSE)
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{
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If(LGreater(DTS2, DTS1))
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{
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Store(DTS2,Local0)
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} else
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{
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Store(DTS1,Local0)
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}
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If (LEqual(And(Local0, 0x80), 0)) {
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Return(Add(2732,Multiply(Local0,10)))
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} else {
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Add(Subtract(255, Local0), 1, Local0)
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Return(Subtract(2732,Multiply(Local0,10)))
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}
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//
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// Else return a static value if both EC and DTS are unavailable.
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//
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} Else
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{
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Return(3000) // (3000-2732)/10 = 26.8 degree C
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}
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}
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// Return the Processor(s) used for Passive Cooling.
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Method(_PSL,0,Serialized)
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{
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If(LEqual(MPEN, 4))
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{
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// CMP - Throttling controls all four logical CPUs.
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Return(Package() {\_PR.CPU0,\_PR.CPU1,\_PR.CPU2,\_PR.CPU3})
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}
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If(MPEN)
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{
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// CMP - Throttling controls both CPUs.
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Return(Package() {\_PR.CPU0,\_PR.CPU1})
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}
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Return(Package() {\_PR.CPU0})
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}
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// Returns the temperature at which the OS initiates CPU throttling.
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Method(_PSV,0,Serialized)
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{
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Return(Add(2732,Multiply(PSVT,10)))
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}
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// Returns TC1 value used in the passive cooling formula.
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Method(_TC1,0,Serialized)
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{
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Return(TC1V)
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}
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// Returns TC2 value used in the passive cooling formula.
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Method(_TC2,0,Serialized)
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{
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Return(TC2V)
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}
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// Returns the sampling period used in the passive cooling formula.
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Method(_TSP,0,Serialized)
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{
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Return(TSPV)
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}
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// Returns Hot Temperature
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Method(_HOT,0,Serialized)
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{
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Subtract(CRTT, 5, Local0)
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Return(Add(2732,Multiply(Local0,10)))
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}
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}
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}
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