slimbootloader/Platform/CoffeelakeBoardPkg/AcpiTables/Dsdt/Platform.asl

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/** @file
ACPI DSDT table
Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "GpioPinsCnlH.h"
#include "GpioPinsCnlLp.h"
#include "PlatformBase.h"
#include "Register/PchRegsPmc.h"
#define TRAP_TYPE_DTS 0x02
#define TRAP_TYPE_BGD 0x04 // BIOS Guard
// Define the following External variables to prevent a WARNING when
// using ASL.EXE and an ERROR when using IASL.EXE.
External(\PC00, IntObj) // PR00 _PDC Flags
External(\PC01)
External(\PC02)
External(\PC03)
External(\PC04)
External(\PC05)
External(\PC06)
External(\PC07)
External(\PC08)
External(\PC09)
External(\PC10)
External(\PC11)
External(\PC12)
External(\PC13)
External(\PC14)
External(\PC15)
External(\_SB.CFGD)
External(\SGMD)
//
// DTS externals
//
External(\_SB.DTSF)
External(\_SB.DTSE)
External(\_SB.DTS1)
External(\_SB.DTS2)
External(\_SB.PDTS)
External(\_SB.PKGA)
External(\_SB.DTS3)
External(\_SB.DTS4)
External(\_SB.TRPD)
External(\_SB.TRPF)
External(\_SB.DSAE)
//
// BIOS Guard externals
//
External(\_SB.BGMA)
External(\_SB.BGMS)
External(\_SB.BGIA)
//
// DPTF Externals
//
External(\_SB.PCI0.LPCB.H_EC.CHRG,DeviceObj)
//
// SGX
//
External(\_SB.EPCS)
External(\_SB.EMNA)
External(\_SB.ELNG)
External(\_SB.PCI0.GFX0.TCHE) // Technology enabled indicator
External(\_SB.PCI0.GFX0.STAT) // State Indicator
External(\_SB.TPM.PTS, MethodObj)
External(\_SB.PCI0.PAUD.PUAM, MethodObj) //PUAM - PowerResource User Absent Mode
External(\_SB.PCI0.XHC.DUAM, MethodObj) //DUAM - Device User Absent Mode for XHCI controller
//Tbt
External(\_SB.PCI0.RP01.PON, MethodObj)
External(\_SB.PCI0.RP02.PON, MethodObj)
External(\_SB.PCI0.RP03.PON, MethodObj)
External(\_SB.PCI0.RP04.PON, MethodObj)
External(\_SB.PCI0.RP05.PON, MethodObj)
External(\_SB.PCI0.RP06.PON, MethodObj)
External(\_SB.PCI0.RP07.PON, MethodObj)
External(\_SB.PCI0.RP08.PON, MethodObj)
External(\_SB.PCI0.RP09.PON, MethodObj)
External(\_SB.PCI0.RP10.PON, MethodObj)
External(\_SB.PCI0.RP11.PON, MethodObj)
External(\_SB.PCI0.RP12.PON, MethodObj)
External(\_SB.PCI0.RP13.PON, MethodObj)
External(\_SB.PCI0.RP14.PON, MethodObj)
External(\_SB.PCI0.RP15.PON, MethodObj)
External(\_SB.PCI0.RP16.PON, MethodObj)
External(\_SB.PCI0.RP17.PON, MethodObj)
External(\_SB.PCI0.RP18.PON, MethodObj)
External(\_SB.PCI0.RP19.PON, MethodObj)
External(\_SB.PCI0.RP20.PON, MethodObj)
External(\_SB.PCI0.RP21.PON, MethodObj)
External(\_SB.PCI0.RP22.PON, MethodObj)
External(\_SB.PCI0.RP23.PON, MethodObj)
External(\_SB.PCI0.RP24.PON, MethodObj)
External(\_SB.PCI0.PEG0.PG00._ON, MethodObj)
External(\_SB.PCI0.PEG1.PG01._ON, MethodObj)
External(\_SB.PCI0.PEG2.PG02._ON, MethodObj)
// HG
External(\_SB.PCI0.PEG0.PEGP.INIO, MethodObj)
#define CONVERTIBLE_BUTTON 6
#define DOCK_INDICATOR 7
Name(ECUP, 1) // EC State indicator: 1- Normal Mode 0- Low Power Mode
Mutex(EHLD, 0) // EC Hold indicator: 0- No one accessing the EC Power State 1- Someone else is accessing the EC Power State
External(TBTD, MethodObj)
External(TBTF, MethodObj)
External(MMRP, MethodObj)
External(MMTB, MethodObj)
External(TBFF, MethodObj)
External(FFTB, MethodObj)
External(SXTB, MethodObj)
External(TBON, MethodObj)
// Create a Global MUTEX.
Mutex(MUTX,0)
// OS Up mutex
Mutex(OSUM, 0)
// _WAK Finished Event
Event(WFEV)
// Define Port 80 as an ACPI Operating Region to use for debugging. Please
// note that the Intel CRBs have the ability to ouput a Word to
// Port 80h for debugging purposes, so the model implemented here may not be
// able to be used on OEM Designs.
OperationRegion(PRT0,SystemIO,0x80,2)
Field(PRT0,WordAcc,Lock,Preserve)
{
P80B, 16
}
// Port 80h Update:
// Update 2 bytes of Port 80h.
//
// Arguments:
// Arg0: 0 = Write Port 80h
// 1 = Write Port 81h
// Arg1: 8-bit Value to write
//
// Return Value:
// None
Name(P80T, 0) // temp buffer for P80
Method(D8XH,2,Serialized)
{
If(LEqual(Arg0,0)) // Write Port 80h
{
Store(Or(And(P80T,0xFF00),Arg1),P80T)
}
If(LEqual(Arg0,1)) // Write Port 81h
{
Store(Or(And(P80T,0x00FF),ShiftLeft(Arg1,8)),P80T)
}
Store(P80T,P80B)
}
//
// Wrapper of D8XH, enabled only when ACPI debug enabled
//
Method(P8XH,2,Serialized)
{
If(CondRefOf(MDBG)) { // Check if ACPI Debug SSDT is loaded
D8XH(Arg0,Arg1)
}
}
Method(ADBG,1,Serialized)
{
Return(0)
}
//
// Define SW SMI port as an ACPI Operating Region to use for generate SW SMI.
//
OperationRegion(SPRT,SystemIO, 0xB2,2)
Field (SPRT, ByteAcc, Lock, Preserve) {
SSMP, 8
}
//
// Operational region for ACPI Control (SMI_EN) access
//
OperationRegion (SMIN, SystemIO, (ACPI_BASE_ADDRESS + R_ACPI_IO_SMI_EN), 0x4)
Field (SMIN, AnyAcc, NoLock, Preserve)
{
SMIE, 32
}
// The _PIC Control Method is optional for ACPI design. It allows the
// OS to inform the ASL code which interrupt controller is being used,
// the 8259 or APIC. The reference code in this document will address
// PCI IRQ Routing and resource allocation for both cases.
//
// The values passed into _PIC are:
// 0 = 8259
// 1 = IOAPIC
Method(\_PIC,1)
{
Store(Arg0,GPIC)
Store(Arg0,PICM)
}
// Prepare to Sleep. The hook is called when the OS is about to
// enter a sleep state. The argument passed is the numeric value of
// the Sx state.
Method(_PTS,1)
{
D8XH(0,Arg0) // Output Sleep State to Port 80h, Byte 0.
D8XH(1,0) // output byte 1 = 0, sleep entry
ADBG(Concatenate("_PTS=",ToHexString(Arg0)))
// If code is executed, Wake from RI# via Serial Modem will be
// enabled. If code is not executed, COM Port Debugging throughout
// all Sx states will be enabled.
If(LEqual(Arg0,3))
{
//
// Disable update DTS temperature and threshold value in every SMI
//
If(CondRefOf(\_SB.DTSE)){
If(LAnd(\_SB.DTSE, LGreater(TCNT, 1)))
{
TRAP(TRAP_TYPE_DTS,30)
}
}
}
If(LOr(LEqual(Arg0,3), LEqual(Arg0,4)))
{
//
// CFL S ECless USBC Sx workaround
//
If(LAnd(UTCE,LEqual(\_SB.GGIV(GPIO_CNL_H_GPP_K7), 0x00)))
{
// Pull GPIO down to notify PD controller
\_SB.SGOV(GPIO_CNL_H_GPP_K1, 0)
Sleep(150)
Store(0, Local0)
While(LLess(Local0, 10))
{
// Wait PD_SX_ACK_G2_FP_PCH until PD controller completes re-negotiation
If (LEqual(\_SB.GGOV(GPIO_CNL_H_GPP_K6), 1))
{
Break
} Else {
// Time out in 1 sec
Sleep(100)
Increment(Local0)
}
}
}
}
// Generate a SW SMI trap to save some NVRAM data back to CMOS.
// Don't enable IGD OpRegion support yet.
// TRAP(1, 81)
//
// Call TPM.PTS
//
If(CondRefOf(\_SB.TPM.PTS))
{
//
// Call TPM PTS method
//
\_SB.TPM.PTS (Arg0)
}
// StandBy LED Drive. Program High for sleep state s3, s4 and s5 only fro desktop.
If(LOr(LOr(LEqual(Arg0,3), LEqual(Arg0,4)), LEqual(Arg0,5))){
If(LEqual(PFLV,FlavorDesktop)){
\_SB.SGOV(GPIO_CNL_LP_GPP_H23,1)
}
}
}
// Platform Hook for _BCL method for Igfx.
// Platform can also add logic here to create run time creation of package
// example: return package without 0-10 values when in tablet mode,else return all values 0-100.
Method(PBCL ,0)
{
//
// List of supported brightness levels in the following sequence.
// Level when machine has full power.
// Level when machine is on batteries.
// Other supported levels.
//
Return(Package(){80, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100})
}
// Wake. This hook is called when the OS is about to wake from a
// sleep state. The argument passed is the numeric value of the
// sleep state the system is waking from.
Method(_WAK,1,Serialized)
{
D8XH(1,0xAB) // Beginning of _WAK.
ADBG("_WAK")
If(NEXP)
{
// Reinitialize the Native PCI Express after resume
If(And(OSCC,0x02))
{
NHPG()
}
If(And(OSCC,0x04)) // PME control granted?
{
NPME()
}
}
If(LOr(LEqual(Arg0,3), LEqual(Arg0,4))) // If S3 or S4 Resume
{
//
// Check to send Convertible/Dock state changes upon resume from Sx.
//
If(And(GBSX,0x40))
{
//
// Do the same thing for Virtul Button device.
// Toggle Bit3 of PB1E(Slate/Notebook status)
//
Xor(PB1E, 0x08, PB1E)
}
If(And(GBSX,0x80))
{
//
// Do the same thing for Virtul Button device.
// Toggle Bit4 of PB1E (Dock/Undock status)
//
Xor(PB1E, 0x10, PB1E)
}
If(CondRefOf(\_SB.DTSE)){
If(LAnd(\_SB.DTSE, LGreater(TCNT, 1)))
{
TRAP(TRAP_TYPE_DTS, 20)
}
}
// For PCI Express Express Cards, it is possible a device was
// either inserted or removed during an Sx State. The problem
// is that no wake event will occur for a given warm inseration
// or removal, so the OS will not become aware of any change.
// To get around this, re-enumerate all Express Card slots.
//
// If the Root Port is enabled, it may be assumed to be hot-pluggable.
If(LNotEqual(\_SB.PCI0.RP01.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP01,0)
}
If(LNotEqual(\_SB.PCI0.RP02.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP02,0)
}
If(LNotEqual(\_SB.PCI0.RP03.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP03,0)
}
If(LNotEqual(\_SB.PCI0.RP04.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP04,0)
}
If(LNotEqual(\_SB.PCI0.RP05.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP05,0)
}
If(LNotEqual(\_SB.PCI0.RP06.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP06,0)
}
If(LNotEqual(\_SB.PCI0.RP07.VDID,0xFFFFFFFF))
{
If(LEqual(\DSTS,0)) // UnDocked.
{
Notify (\_SB.PCI0.RP07,0)
}
}
If(LNotEqual(\_SB.PCI0.RP08.VDID,0xFFFFFFFF))
{
If(LEqual(\DSTS,0)) // UnDocked.
{
Notify (\_SB.PCI0.RP08,0)
}
}
If(LNotEqual(\_SB.PCI0.RP09.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP09,0)
}
If(LNotEqual(\_SB.PCI0.RP10.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP10,0)
}
If(LNotEqual(\_SB.PCI0.RP11.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP11,0)
}
If(LNotEqual(\_SB.PCI0.RP12.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP12,0)
}
If(LNotEqual(\_SB.PCI0.RP13.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP13,0)
}
If(LNotEqual(\_SB.PCI0.RP14.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP14,0)
}
If(LNotEqual(\_SB.PCI0.RP15.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP15,0)
}
If(LNotEqual(\_SB.PCI0.RP16.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP16,0)
}
If(LNotEqual(\_SB.PCI0.RP17.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP17,0)
}
If(LNotEqual(\_SB.PCI0.RP18.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP18,0)
}
If(LNotEqual(\_SB.PCI0.RP19.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP19,0)
}
If(LNotEqual(\_SB.PCI0.RP20.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP20,0)
}
If(LNotEqual(\_SB.PCI0.RP21.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP21,0)
}
If(LNotEqual(\_SB.PCI0.RP22.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP22,0)
}
If(LNotEqual(\_SB.PCI0.RP23.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP23,0)
}
If(LNotEqual(\_SB.PCI0.RP24.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP24,0)
}
If(LNotEqual(\_SB.PCI0.RP21.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP21,0)
}
If(LNotEqual(\_SB.PCI0.RP22.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP22,0)
}
If(LNotEqual(\_SB.PCI0.RP23.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP23,0)
}
If(LNotEqual(\_SB.PCI0.RP24.VDID,0xFFFFFFFF))
{
Notify (\_SB.PCI0.RP24,0)
}
//
// CFL S ECless USBC Sx workaround
//
If(LAnd(UTCE,LEqual(\_SB.GGIV(GPIO_CNL_H_GPP_K7), 0x00)))
{
Store(0, Local0)
While(LLess(Local0, 10))
{
// Once PD controller has completed alternate mode entry, it pulls GPIO down
If (LEqual(\_SB.GGOV(GPIO_CNL_H_GPP_K6), 0))
{
Break
} Else {
// Time out in 1 sec
Sleep(100)
Increment(Local0)
}
}
}
}
If(LOr(LEqual(Arg0,3), LEqual(Arg0,4))) // If S3 or S4 Resume
{
//
// This is Nvidia specific GPIO initialization for DGPU
//
If(CondRefOf(\_SB.PCI0.PEG0.PEGP.INIO))
{
\_SB.PCI0.PEG0.PEGP.INIO(Arg0)
}
}
Return(Package(){0,0})
}
// Get Buffer:
// This method will take a buffer passed into the method and
// create then return a smaller buffer based on the pointer
// and size parameters passed in.
//
// Arguments:
// Arg0: Pointer to start of new Buffer in passed in Buffer.
// Arg1: Size of Buffer to create.
// Arg2: Original Buffer
//
// Return Value:
// Newly created buffer.
Method(GETB,3,Serialized)
{
Multiply(Arg0,8,Local0) // Convert Index.
Multiply(Arg1,8,Local1) // Convert Size.
CreateField(Arg2,Local0,Local1,TBF3) // Create Buffer.
Return(TBF3) // Return Buffer.
}
// Power Notification:
// Perform all needed OS notifications during a
// Power Switch.
//
// Arguments:
// None
//
// Return Value:
// None
Method(PNOT,0,Serialized)
{
//
// If MP enabled and driver support is present, notify all
// processors.
//
If(LGreater(TCNT, 1))
{
If(And(\PC00,0x0008)){
Notify(\_SB.PR00,0x80) // Eval PR00 _PPC.
}
If(And(\PC01,0x0008)){
Notify(\_SB.PR01,0x80) // Eval PR01 _PPC.
}
If(And(\PC02,0x0008)){
Notify(\_SB.PR02,0x80) // Eval PR02 _PPC.
}
If(And(\PC03,0x0008)){
Notify(\_SB.PR03,0x80) // Eval PR03 _PPC.
}
If(And(\PC04,0x0008)){
Notify(\_SB.PR04,0x80) // Eval PR04 _PPC.
}
If(And(\PC05,0x0008)){
Notify(\_SB.PR05,0x80) // Eval PR05 _PPC.
}
If(And(\PC06,0x0008)){
Notify(\_SB.PR06,0x80) // Eval PR06 _PPC.
}
If(And(\PC07,0x0008)){
Notify(\_SB.PR07,0x80) // Eval PR07 _PPC.
}
If(And(\PC08,0x0008)){
Notify(\_SB.PR08,0x80) // Eval PR08 _PPC.
}
If(And(\PC09,0x0008)){
Notify(\_SB.PR09,0x80) // Eval PR09 _PPC.
}
If(And(\PC10,0x0008)){
Notify(\_SB.PR10,0x80) // Eval PR10 _PPC.
}
If(And(\PC11,0x0008)){
Notify(\_SB.PR11,0x80) // Eval PR11 _PPC.
}
If(And(\PC12,0x0008)){
Notify(\_SB.PR12,0x80) // Eval PR12 _PPC.
}
If(And(\PC13,0x0008)){
Notify(\_SB.PR13,0x80) // Eval PR13 _PPC.
}
If(And(\PC14,0x0008)){
Notify(\_SB.PR14,0x80) // Eval PR14 _PPC.
}
If(And(\PC15,0x0008)){
Notify(\_SB.PR15,0x80) // Eval PR15 _PPC.
}
}Else{
Notify(\_SB.PR00,0x80) // Eval _PPC.
}
If(LGreater(TCNT, 1)){
If(LAnd(And(\PC00,0x0008),And(\PC00,0x0010))){
Notify(\_SB.PR00,0x81) // Eval PR00 _CST.
}
If(LAnd(And(\PC01,0x0008),And(\PC01,0x0010))){
Notify(\_SB.PR01,0x81) // Eval PR01 _CST.
}
If(LAnd(And(\PC02,0x0008),And(\PC02,0x0010))){
Notify(\_SB.PR02,0x81) // Eval PR02 _CST.
}
If(LAnd(And(\PC03,0x0008),And(\PC03,0x0010))){
Notify(\_SB.PR03,0x81) // Eval PR03 _CST.
}
If(LAnd(And(\PC04,0x0008),And(\PC04,0x0010))){
Notify(\_SB.PR04,0x81) // Eval PR04 _CST.
}
If(LAnd(And(\PC05,0x0008),And(\PC05,0x0010))){
Notify(\_SB.PR05,0x81) // Eval PR05 _CST.
}
If(LAnd(And(\PC06,0x0008),And(\PC06,0x0010))){
Notify(\_SB.PR06,0x81) // Eval PR06 _CST.
}
If(LAnd(And(\PC07,0x0008),And(\PC07,0x0010))){
Notify(\_SB.PR07,0x81) // Eval PR07 _CST.
}
If(LAnd(And(\PC08,0x0008),And(\PC08,0x0010))){
Notify(\_SB.PR08,0x81) // Eval PR08 _CST.
}
If(LAnd(And(\PC09,0x0008),And(\PC09,0x0010))){
Notify(\_SB.PR09,0x81) // Eval PR09 _CST.
}
If(LAnd(And(\PC10,0x0008),And(\PC10,0x0010))){
Notify(\_SB.PR10,0x81) // Eval PR10 _CST.
}
If(LAnd(And(\PC11,0x0008),And(\PC11,0x0010))){
Notify(\_SB.PR11,0x81) // Eval PR11 _CST.
}
If(LAnd(And(\PC12,0x0008),And(\PC12,0x0010))){
Notify(\_SB.PR12,0x81) // Eval PR12 _CST.
}
If(LAnd(And(\PC13,0x0008),And(\PC13,0x0010))){
Notify(\_SB.PR13,0x81) // Eval PR13 _CST.
}
If(LAnd(And(\PC14,0x0008),And(\PC14,0x0010))){
Notify(\_SB.PR14,0x81) // Eval PR14 _CST.
}
If(LAnd(And(\PC15,0x0008),And(\PC15,0x0010))){
Notify(\_SB.PR15,0x81) // Eval PR15 _CST.
}
} Else {
Notify(\_SB.PR00,0x81) // Eval _CST.
}
If (LEqual(DPTF,1)){
If (LEqual(CHGE,1)){
Notify(\_SB.PCI0.LPCB.H_EC.CHRG, 0x80) // PPPC/PPDL reevaluation after AC/DC transtion has occurred.
}
}
} // end of Method(PNOT)
//
// Memory window to the CTDP registers starting at MCHBAR+5000h.
//
OperationRegion (MBAR, SystemMemory, Add(\_SB.PCI0.GMHB(),0x5000), 0x1000)
Field (MBAR, ByteAcc, NoLock, Preserve)
{
Offset (0x938), // PACKAGE_POWER_SKU_UNIT (MCHBAR+0x5938)
PWRU, 4, // Power Units [3:0] unit value is calculated by 1 W / Power(2,PWR_UNIT). The default value of 0011b corresponds to 1/8 W.
Offset (0x9A0), // TURBO_POWER_LIMIT1 (MCHBAR+0x59A0)
PPL1, 15, // PKG_PWR_LIM_1 [14:0]
PL1E,1, // PKG_PWR_LIM1_EN [15]
CLP1,1, // Package Clamping Limitation 1
}
Name(CLMP, 0) // save the clamp bit
Name(PLEN,0) // save the power limit enable bit
Name(PLSV,0x8000) // save value of PL1 upon entering CS
Name(CSEM, 0) //semaphore to avoid multiple calls to SPL1. SPL1/RPL1 must always be called in pairs, like push/pop off a stack
//
// SPL1 (Set PL1 to 4.5 watts with clamp bit set)
// Per Legacy Thermal management CS requirements, we would like to set the PL1 limit when entering CS to 4.5W with clamp bit set via MMIO.
// This can be done in the ACPI object which gets called by graphics driver during CS Entry.
// Likewise, during CS exit, the BIOS must reset the PL1 value to the previous value prior to CS entry and reset the clamp bit.
//
// Arguments:
// None
//
// Return Value:
// None
Method(SPL1,0,Serialized)
{
Name(PPUU,0) // units
If (LEqual(CSEM, 1))
{
Return() // we have already been called, must have CS exit before calling again
}
Store(1, CSEM) // record first call
Store (PPL1, PLSV) // save PL1 value upon entering CS
Store (PL1E, PLEN) // save PL1 Enable bit upon entering CS
Store (CLP1, CLMP) // save PL1 Clamp bit upon entering CS
If (LEqual(PWRU,0)) { // use PACKAGE_POWER_SKU_UNIT - Power Units[3:0]
Store(1,PPUU)
} Else {
ShiftLeft(Decrement(PWRU),2,PPUU) // get units
}
Multiply(PLVL,PPUU,Local0) // convert SETUP value to power units in milli-watts
Divide(Local0,1000,,Local1) // convert SETUP value to power units in watts
Store(Local1, PPL1) // copy value to PL1
Store(1, PL1E) // set Enable bit
Store(1, CLP1) // set Clamp bit
}
//
// RPL1 (Restore the PL1 register to the values prior to CS entry)
//
// Arguments:
// None
//
// Return Value:
// None
Method(RPL1,0,Serialized)
{
Store (PLSV, PPL1) // restore value of PL1 upon exiting CS
Store(PLEN, PL1E) // restore the PL1 enable bit
Store(CLMP, CLP1) // restore the PL1 Clamp bit
Store(0, CSEM) // restore semaphore
}
Name(UAMS, 0) // User Absent Mode state, Zero - User Present; non-Zero - User not present
Name(GLCK, 0) // a spin lock to avoid multi execution of GUAM
// GUAM - Global User Absent Mode
// Run when a change to User Absent mode is made, e.g. screen/display on/off events.
// Any device that needs notifications of these events s its own UAMN Control Method.
//
// Arguments:
// Power State:
// 00h = On
// 01h = Standby
// other value = do nothing & return
//
// Return Value:
// None
//
Method(GUAM,1,Serialized)
{
Switch(ToInteger(Arg0))
{
Case(0) // exit CS
{
If(LEqual(GLCK, 1)){
store(0, GLCK)
P8XH(0, 0xE1)
P8XH(1, 0xAB)
ADBG("Exit Resiliency")
If(PSCP){
// if P-state Capping s enabled
If (CondRefOf(\_SB.PR00._PPC))
{
Store(Zero, \_SB.CPPC)
PNOT()
}
}
If(PLCS){
RPL1() // restore PL1 to pre-CS value upon exiting CS
}
} // end GLCK=1
} // end case(0)
Case(1) // enter CS
{
If(LEqual(GLCK, 0)){
store(1, GLCK)
P8XH(0, 0xE0)
P8XH(1, 00)
ADBG("Enter Resiliency")
If(PSCP){
// if P-state Capping is enabled
If (LAnd(CondRefOf(\_SB.PR00._PSS), CondRefOf(\_SB.PR00._PPC)))
{
If(And(\PC00,0x0400))
{
Subtract(SizeOf(\_SB.PR00.TPSS), One, \_SB.CPPC)
} Else {
Subtract(SizeOf(\_SB.PR00.LPSS), One, \_SB.CPPC)
}
PNOT()
}
}
If(PLCS){
SPL1() // set PL1 to low value upon CS entry
}
} // end GLCK=0
} // end case(1)
Default{
Return() // do nothing
}
} // end switch(arg0)
Store(LAnd(Arg0, LNot(PWRS)), UAMS) // UAMS: User Absent Mode state, Zero - User Present; non-Zero - User not present
P_CS() // Powergating during CS
} // end method GUAM()
// Power CS Powergated Devices:
// Method to enable/disable power during CS
Method(P_CS,0,Serialized)
{
// NOTE: Do not turn ON Touch devices from here. Touch does not have PUAM
If(CondRefOf(\_SB.PCI0.PAUD.PUAM)){ // Notify Codec(HD-A/ADSP)
\_SB.PCI0.PAUD.PUAM()
}
// Adding back USB powergating (ONLY for Win8) until RTD3 walkup port setup implementation is complete */
If(LEqual(OSYS,2012)){ // ONLY for Win8 OS
If(CondRefOf(\_SB.PCI0.XHC.DUAM)){ // Notify USB port- RVP
\_SB.PCI0.XHC.DUAM()
}
}
// TODO: Add calls to UAMN methods for
// * USB controller(s)
// * Embedded Controller
// * Sensor devices
// * Audio DSP?
// * Any other devices dependent on User Absent mode for power controls
}
// SMI I/O Trap:
// Generate a Mutex protected SMI I/O Trap.
//
// Arguments:
// Arg0: I/O Trap type.
// 2 - For DTS
// 4 - For BIOS Guard Tools
// Arg1: SMI I/O Trap Function to call.
//
// Return Value:
// SMI I/O Trap Return value.
// 0 = Success. Non-zero = Failure.
Method(TRAP,2,Serialized)
{
Store(Arg1,SMIF) // Store SMI Function.
If(LEqual(Arg0,TRAP_TYPE_DTS)) // Is DTS IO Trap?
{
Store(Arg1,\_SB.DTSF) // Store the function number global NVS
Store(0,\_SB.TRPD) // Generate IO Trap.
Return(\_SB.DTSF) // Return status from SMI handler
}
If(LEqual(Arg0,TRAP_TYPE_BGD)) // Is BIOS Guard TOOLS IO Trap?
{
Store(0,\_SB.TRPF) // Generate IO Trap
}
Return(SMIF) // Return SMIF. 0 = Success.
}
// Note: Only add the indicator device needed by the platform.
//
// System Bus
//
Scope(\_SB.PCI0)
{
Method(PTMA)
{
Return(\_SB.BGMA)
}
Method(PTMS)
{
Return(\_SB.BGMS)
}
Method(PTIA)
{
Return(\_SB.BGIA)
}
Method(_INI,0, Serialized)
{
// Store(1, TBPE) // AdvancedFeaturesContent
// Determine the OS and store the value, where:
//
// OSYS = 1000 = Operating systems except the following list.
// OSYS = 2001 = WINXP, RTM or SP1.
// OSYS = 2002 = WINXP SP2.
// OSYS = 2006 = Vista.
// OSYS = 2009 = Windows 7 and Windows Server 2008 R2.
// OSYS = 2012 = Windows 8 and Windows Server 2012.
// OSYS = 2013 = Windows Blue.
//
// Set Default 1000 when OSI method does not find a matching OS.
Store(1000,OSYS)
// Check for a specific OS which supports _OSI.
If(CondRefOf(\_OSI,Local0))
{
If(\_OSI("Windows 2001")) // Windows XP
{
Store(2001,OSYS)
}
If(\_OSI("Windows 2001 SP1")) //Windows XP SP1
{
Store(2001,OSYS)
}
If(\_OSI("Windows 2001 SP2")) //Windows XP SP2
{
Store(2002,OSYS)
}
If (\_OSI( "Windows 2001.1")) //Windows Server 2003
{
Store(2003,OSYS)
}
If(\_OSI("Windows 2006")) //Windows Vista
{
Store(2006,OSYS)
}
If(\_OSI("Windows 2009")) //Windows 7 and Windows Server 2008 R2
{
Store(2009,OSYS)
}
If(\_OSI("Windows 2012")) //Windows 8 and Windows Server 2012
{
Store(2012,OSYS)
}
If(\_OSI("Windows 2013")) //Windows 8.1 and Windows Server 2012 R2
{
Store(2013,OSYS)
}
If(\_OSI("Windows 2015")) //Windows 10
{
Store(2015,OSYS)
}
}
//
// Set DTS NVS data means in OS ACPI mode enabled insteads of GlobalNvs OperatingSystem (OSYS)
//
If(CondRefOf(\_SB.DTSE)){
If(LGreaterEqual(\_SB.DTSE, 0x01)){
Store(0x01, \_SB.DSAE)
}
}
}
}
Scope (\)
{
Method(NHPG,0,Serialized)
{
Store(0,\_SB.PCI0.RP01.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP02.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP03.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP04.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP05.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP06.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP07.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP08.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP09.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP10.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP11.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP12.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP13.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP14.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP15.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP16.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP17.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP18.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP19.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP20.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP21.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP22.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP23.HPEX) // clear the hot plug SCI enable bit
Store(0,\_SB.PCI0.RP24.HPEX) // clear the hot plug SCI enable bit
Store(1,\_SB.PCI0.RP01.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP02.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP03.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP04.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP05.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP06.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP07.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP08.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP09.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP10.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP11.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP12.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP13.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP14.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP15.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP16.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP17.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP18.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP19.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP20.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP21.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP22.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP23.HPSX) // clear the hot plug SCI status bit
Store(1,\_SB.PCI0.RP24.HPSX) // clear the hot plug SCI status bit
}
Method(NPME,0,Serialized)
{
Store(0,\_SB.PCI0.RP01.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP02.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP03.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP04.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP05.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP06.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP07.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP08.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP09.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP10.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP11.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP12.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP13.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP14.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP15.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP16.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP17.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP18.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP19.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP20.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP21.PMEX) // clear the PME SCI status bit
Store(0,\_SB.PCI0.RP22.PMEX) // clear the PME SCI status bit
Store(0,\_SB.PCI0.RP23.PMEX) // clear the PME SCI status bit
Store(0,\_SB.PCI0.RP24.PMEX) // clear the PME SCI status bit
Store(0,\_SB.PCI0.RP21.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP22.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP23.PMEX) // clear the PME SCI enable bit
Store(0,\_SB.PCI0.RP24.PMEX) // clear the PME SCI enable bit
Store(1,\_SB.PCI0.RP01.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP02.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP03.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP04.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP05.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP06.PMSX) // clear the PME SCI enable bit
Store(1,\_SB.PCI0.RP07.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP08.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP09.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP10.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP11.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP12.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP13.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP14.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP15.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP16.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP17.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP18.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP19.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP20.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP21.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP22.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP23.PMSX) // clear the PME SCI status bit
Store(1,\_SB.PCI0.RP24.PMSX) // clear the PME SCI status bit
}
//
// Global Name, returns current Interrupt controller mode;
// updated from _PIC control method
//
Name(PICM, 0)
//
// Procedure: GPRW
//
// Description: Generic Wake up Control Method ("Big brother")
// to detect the Max Sleep State available in ASL Name scope
// and Return the Package compatible with _PRW format.
// Input: Arg0 = bit offset within GPE register space device event will be triggered to.
// Arg1 = Max Sleep state, device can resume the System from.
// If Arg1 = 0, Update Arg1 with Max _Sx state enabled in the System.
// Output: _PRW package
//
Name(PRWP, Package(){Zero, Zero}) // _PRW Package
Method(GPRW, 2)
{
Store(Arg0, Index(PRWP, 0)) // copy GPE#
//
// SS1-SS4 - enabled in BIOS Setup Sleep states
//
Store(ShiftLeft(SS1,1),Local0) // S1 ?
Or(Local0,ShiftLeft(SS2,2),Local0) // S2 ?
Or(Local0,ShiftLeft(SS3,3),Local0) // S3 ?
Or(Local0,ShiftLeft(SS4,4),Local0) // S4 ?
//
// Local0 has a bit mask of enabled Sx(1 based)
// bit mask of enabled in BIOS Setup Sleep states(1 based)
//
If(And(ShiftLeft(1, Arg1), Local0))
{
//
// Requested wake up value (Arg1) is present in Sx list of available Sleep states
//
Store(Arg1, Index(PRWP, 1)) // copy Sx#
}
Else
{
//
// Not available -> match Wake up value to the higher Sx state
//
ShiftRight(Local0, 1, Local0)
FindSetLeftBit(Local0, Index(PRWP,1)) // Arg1 == Min Sx
}
Return(PRWP)
}
}
Scope (\_SB)
{
Name(OSCI, 0) // \_SB._OSC DWORD2 input
Name(OSCO, 0) // \_SB._OSC DWORD2 output
Name(OSCP, 0) // \_SB._OSC CAPABILITIES
// _OSC (Operating System Capabilities)
// _OSC under \_SB scope is used to convey platform wide OSPM capabilities.
// For a complete description of _OSC ACPI Control Method, refer to ACPI 5.0
// specification, section 6.2.10.
// Arguments: (4)
// Arg0 - A Buffer containing the UUID "0811B06E-4A27-44F9-8D60-3CBBC22E7B48"
// Arg1 - An Integer containing the Revision ID of the buffer format
// Arg2 - An Integer containing a count of entries in Arg3
// Arg3 - A Buffer containing a list of DWORD capabilities
// Return Value:
// A Buffer containing the list of capabilities
//
Method(_OSC,4,Serialized)
{
//
// Point to Status DWORD in the Arg3 buffer (STATUS)
//
CreateDWordField(Arg3, 0, STS0)
//
// Point to Caps DWORDs of the Arg3 buffer (CAPABILITIES)
//
CreateDwordField(Arg3, 4, CAP0)
//
// Check UUID
//
If(LEqual(Arg0,ToUUID("0811B06E-4A27-44F9-8D60-3CBBC22E7B48")))
{
//
// Check Revision
//
If(LEqual(Arg1,One))
{
Store(CAP0, OSCP)
If(And(CAP0,0x04)) // Check _PR3 Support(BIT2)
{
Store(0x04, OSCO)
If(LNotEqual(And(SGMD,0x0F),2)) // Check Switchable/Hybrid graphics is not enabled in bios setup [SgModeMuxless]?
{
If(LEqual(RTD3,0)) // Is RTD3 support disabled in Bios Setup?
{
// RTD3 is disabled via BIOS Setup.
And(CAP0, 0x3B, CAP0) // Clear _PR3 capability
Or(STS0, 0x10, STS0) // Indicate capability bit is cleared
}
}
}
} Else{
And(STS0,0xFFFFFF00,STS0)
Or(STS0,0xA, STS0) // Unrecognised Revision and report OSC failure
}
} Else {
And(STS0,0xFFFFFF00,STS0)
Or (STS0,0x6, STS0) // Unrecognised UUID and report OSC failure
}
Return(Arg3)
} // End _OSC
Device (EPC)
{
Name (_HID, EISAID ("INT0E0C"))
Name (_STR, Unicode ("Enclave Page Cache 1.0"))
Name (_MLS, Package () {
Package (2) { "en", Unicode ("Enclave Page Cache 1.0") }
})
Name (RBUF, ResourceTemplate ()
{
QWordMemory (
ResourceConsumer, // ResourceUsage
PosDecode, // Decode _DEC
MinNotFixed, // IsMinFixed _MIF
MaxNotFixed, // IsMaxFixed _MAF
NonCacheable, // Cacheable _MEM
ReadWrite, // ReadAndWrite _RW
0, // AddressGranularity _GRA
0, // AddressMinimum _MIN <= To be patched in Runtime
0, // AddressMaximum _MAX <= To be patched in Runtime
0, // AddressTranslation _TRA
1, // RangeLength _LEN <= To be patched in Runtime
, // ResourceSourceIndex
, // ResourceSource
BAR0 // DescriptorName
)
})
Method (_CRS, 0x0, NotSerialized)
{
CreateQwordField (RBUF, ^BAR0._MIN, EMIN)
CreateQwordField (RBUF, ^BAR0._MAX, EMAX)
CreateQwordField (RBUF, ^BAR0._LEN, ELEN)
Store (\_SB.EMNA, EMIN)
Store (\_SB.ELNG, ELEN)
Subtract (Add (\_SB.EMNA, \_SB.ELNG), 1, EMAX)
Return (RBUF)
}
Method (_STA, 0x0, NotSerialized)
{
If (LNotEqual (\_SB.EPCS, 0))
{
Return (0xF)
}
Return (0x0)
}
} // end EPC Device
} // End of Scope(\_SB)
//
// CS Wake up event support
//
Scope (\_SB)
{
// Define Sleep button to put the system in sleep
Device (SLPB)
{
Name (_HID, EISAID ("PNP0C0E"))
Name (_STA, 0x0B)
// Bit0 - the device is present: Yes.
// Bit1 - the device is enabled and decoding its resources: Yes.
// Bit2 - the device should be shown in the UI: No.
// Bit3 - the device is functioning properly: Yes.
// Bit4 - the battery is present: N/A
}
} // End of Scope(\_SB)
// -------------------------------------------------------
// CoExistence device ACPI implementation - Begin
// -------------------------------------------------------
Scope(\_SB)
{
Device(COEX)
{
//
// Intel CoExistence Device
//
Name(_HID, EISAID("INT3519"))
Name(_STR, Unicode ("CoExistence Manager"))
// _STA (Status)
//
// This object returns the current status of a device.
//
// Arguments: (0)
// None
// Return Value:
// An Integer containing a device status bitmap:
// Bit 0 - Set if the device is present.
// Bit 1 - Set if the device is enabled and decoding its resources.
// Bit 2 - Set if the device should be shown in the UI.
// Bit 3 - Set if the device is functioning properly (cleared if device failed its diagnostics).
// Bit 4 - Set if the battery is present.
// Bits 5-31 - Reserved (must be cleared).
//
Method(_STA)
{
// The CoExistence Manager can support only Intel WWAN and Intel Connectivity combination
If (LEqual(COEM,1)){
Return(0x0F)
} Else {
Return(0x00)
}
}
} // End of Device(COEX)
} // End of Scope(\_SB)
// -------------------------------------------------------
// CoExistence device ACPI implementation - End
// -------------------------------------------------------
OperationRegion (OCWD, SystemIO, (ACPI_BASE_ADDRESS + R_ACPI_IO_OC_WDT_CTL), 0x4)
Field(OCWD, DWordAcc, NoLock, Preserve)
{
, 8,
, 8,
FWSC, 8, // Over-Clocking WDT Scratchpad (OC_WDT_SCRATCH)
}
//
// Platform specific FWU trigger method
//
Method(FWUC, 2)
{
If(LEqual(Arg0, Zero)) {
// Read
And(FWSC, 0x00FF, Local0)
} Else {
// Write
And(ToInteger(Arg1), 0xFF, Local0)
And(FWSC, 0xFF00, Local1)
Or(Local0, Local1, FWSC)
}
Return (Local0)
}