audk/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Platform.asl

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/**************************************************************************;
;* *;
;* *;
;* Intel Corporation - ACPI Reference Code for the Baytrail *;
;* Family of Customer Reference Boards. *;
;* *;
;* *;
;* Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved *;
;
; This program and the accompanying materials are licensed and made available under
; the terms and conditions of the BSD License that accompanies this distribution.
; The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;* *;
;* *;
;**************************************************************************/
// Define the following External variables to prevent a WARNING when
// using ASL.EXE and an ERROR when using IASL.EXE.
External(PDC0)
External(PDC1)
External(PDC2)
External(PDC3)
External(CFGD)
External(\_PR.CPU0._PPC, IntObj)
External(\_SB.PCI0.LPCB.TPM.PTS, MethodObj)
External(\_SB.STR3, DeviceObj)
External(\_SB.I2C1.BATC, DeviceObj)
External(\_SB.DPTF, DeviceObj)
External(\_SB.TCHG, DeviceObj)
External(\_SB.IAOE.PTSL)
External(\_SB.IAOE.WKRS)
//
// Create a Global MUTEX.
//
Mutex(MUTX,0)
// Port 80h Update:
// Update 8 bits of the 32-bit Port 80h.
//
// Arguments:
// Arg0: 0 = Write Port 80h, Bits 7:0 Only.
// 1 = Write Port 80h, Bits 15:8 Only.
// 2 = Write Port 80h, Bits 23:16 Only.
// 3 = Write Port 80h, Bits 31:24 Only.
// Arg1: 8-bit Value to write
//
// Return Value:
// None
Method(P8XH,2,Serialized)
{
If(LEqual(Arg0,0)) // Write Port 80h, Bits 7:0.
{
Store(Or(And(P80D,0xFFFFFF00),Arg1),P80D)
}
If(LEqual(Arg0,1)) // Write Port 80h, Bits 15:8.
{
Store(Or(And(P80D,0xFFFF00FF),ShiftLeft(Arg1,8)),P80D)
}
If(LEqual(Arg0,2)) // Write Port 80h, Bits 23:16.
{
Store(Or(And(P80D,0xFF00FFFF),ShiftLeft(Arg1,16)),P80D)
}
If(LEqual(Arg0,3)) // Write Port 80h, Bits 31:24.
{
Store(Or(And(P80D,0x00FFFFFF),ShiftLeft(Arg1,24)),P80D)
}
}
//
// 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
}
// 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)
}
OperationRegion(SWC0, SystemIO, 0x610, 0x0F)
Field(SWC0, ByteAcc, NoLock, Preserve)
{
G1S, 8, //SWC GPE1_STS
Offset(0x4),
G1E, 8,
Offset(0xA),
G1S2, 8, //SWC GPE1_STS_2
G1S3, 8 //SWC GPE1_STS_3
}
OperationRegion (SWC1, SystemIO, \PMBS, 0x2C)
Field(SWC1, DWordAcc, NoLock, Preserve)
{
Offset(0x20),
G0S, 32, //GPE0_STS
Offset(0x28),
G0EN, 32 //GPE0_EN
}
// 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)
{
Store(0,P80D) // Zero out the entire Port 80h DWord.
P8XH(0,Arg0) // Output Sleep State to Port 80h, Byte 0.
//clear the 3 SWC status bits
Store(Ones, G1S3)
Store(Ones, G1S2)
Store(1, G1S)
//set SWC GPE1_EN
Store(1,G1E)
//clear GPE0_STS
Store(Ones, G0S)
If(LEqual(Arg0,3)) // If S3 Suspend
{
//
// Disable Digital Thermal Sensor function when doing S3 suspend
//
If(CondRefOf(DTSE))
{
If(LGreaterEqual(DTSE, 0x01))
{
Store(30, DTSF) // DISABLE_UPDATE_DTS_EVERY_SMI
Store(0xD0, SSMP) // DTS SW SMI
}
}
}
}
// 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)
{
P8XH(1,0xAB) // Beginning of _WAK.
Notify(\_SB.PWRB,0x02)
If(NEXP)
{
// Reinitialize the Native PCI Express after resume
If(And(OSCC,0x02))
{
\_SB.PCI0.NHPG()
}
If(And(OSCC,0x04)) // PME control granted?
{
\_SB.PCI0.NPME()
}
}
If(LOr(LEqual(Arg0,3), LEqual(Arg0,4))) // If S3 or S4 Resume
{
// If CMP is enabled, we may need to restore the C-State and/or
// P-State configuration, as it may have been saved before the
// configuration was finalized based on OS/driver support.
//
// CFGD[24] = Two or more cores enabled
//
If(And(CFGD,0x01000000))
{
//
// If CMP and the OSYS is WinXP SP1, we will enable C1-SMI if
// C-States are enabled.
//
// CFGD[7:4] = C4, C3, C2, C1 Capable/Enabled
//
//
}
// Windows XP SP2 does not properly restore the P-State
// upon resume from S4 or S3 with degrade modes enabled.
// Use the existing _PPC methods to cycle the available
// P-States such that the processor ends up running at
// the proper P-State.
//
// Note: For S4, another possible W/A is to always boot
// the system in LFM.
//
If(LEqual(OSYS,2002))
{
If(And(CFGD,0x01))
{
If(LGreater(\_PR.CPU0._PPC,0))
{
Subtract(\_PR.CPU0._PPC,1,\_PR.CPU0._PPC)
PNOT()
Add(\_PR.CPU0._PPC,1,\_PR.CPU0._PPC)
PNOT()
}
Else
{
Add(\_PR.CPU0._PPC,1,\_PR.CPU0._PPC)
PNOT()
Subtract(\_PR.CPU0._PPC,1,\_PR.CPU0._PPC)
PNOT()
}
}
}
}
Return(Package() {0,0})
}
// 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(MPEN)
{
If(And(PDC0,0x0008))
{
Notify(\_PR.CPU0,0x80) // Eval CPU0 _PPC.
If(And(PDC0,0x0010))
{
Sleep(100)
Notify(\_PR.CPU0,0x81) // Eval _CST.
}
}
If(And(PDC1,0x0008))
{
Notify(\_PR.CPU1,0x80) // Eval CPU1 _PPC.
If(And(PDC1,0x0010))
{
Sleep(100)
Notify(\_PR.CPU1,0x81) // Eval _CST.
}
}
If(And(PDC2,0x0008))
{
Notify(\_PR.CPU2,0x80) // Eval CPU2 _PPC.
If(And(PDC2,0x0010))
{
Sleep(100)
Notify(\_PR.CPU2,0x81) // Eval _CST.
}
}
If(And(PDC3,0x0008))
{
Notify(\_PR.CPU3,0x80) // Eval CPU3 _PPC.
If(And(PDC3,0x0010))
{
Sleep(100)
Notify(\_PR.CPU3,0x81) // Eval _CST.
}
}
}
Else
{
Notify(\_PR.CPU0,0x80) // Eval _PPC.
Sleep(100)
Notify(\_PR.CPU0,0x81) // Eval _CST
}
}
//
// System Bus
//
Scope(\_SB)
{
Name(CRTT, 110) // Processor critical temperature
Name(ACTT, 77) // Active temperature limit for processor participant
Name(GCR0, 70) // Critical temperature for Generic participant 0 in degree celsius
Name(GCR1, 70) // Critical temperature for Generic participant 1 in degree celsius
Name(GCR2, 70) // Critical temperature for Generic participant 2 in degree celsius
Name(GCR3, 70) // Critical temperature for Generic participant 3 in degree celsius
Name(GCR4, 70) // Critical temperature for Generic participant 4 in degree celsius
Name(GCR5, 70) // Critical temperature for Generic participant 5 in degree celsius
Name(GCR6, 70) // Critical temperature for Generic participant 6 in degree celsius
Name(PST0, 60) // Passive temperature limit for Generic Participant 0 in degree celsius
Name(PST1, 60) // Passive temperature limit for Generic Participant 1 in degree celsius
Name(PST2, 60) // Passive temperature limit for Generic Participant 2 in degree celsius
Name(PST3, 60) // Passive temperature limit for Generic Participant 3 in degree celsius
Name(PST4, 60) // Passive temperature limit for Generic Participant 4 in degree celsius
Name(PST5, 60) // Passive temperature limit for Generic Participant 5 in degree celsius
Name(PST6, 60) // Passive temperature limit for Generic Participant 6 in degree celsius
Name(LPMV, 3)
Name(PDBG, 0) // DPTF Super debug option
Name(PDPM, 1) // DPTF DPPM enable
Name(PDBP, 1) // DPTF DBPT enable (dynamic battery protection technology)
Name(DLPO, Package()
{
0x1, // Revision
0x1, // LPO Enable
0x1, // LPO StartPState
25, // LPO StepSize
0x1, //
0x1, //
})
Name(BRQD, 0x00) // This is used to determine if DPTF display participant requested Brightness level change
// or it is from Graphics driver. Value of 1 is for DPTF else it is 0
Method(_INI,0)
{
// NVS has stale DTS data. Get and update the values
// with current temperatures. Note that this will also
// re-arm any AP Thermal Interrupts.
// Read temperature settings from global NVS
Store(DPCT, CRTT)
Store(Subtract(DPPT, 8), ACTT) // Active Trip point = Passive trip point - 8
Store(DGC0, GCR0)
Store(DGC0, GCR1)
Store(DGC1, GCR2)
Store(DGC1, GCR3)
Store(DGC1, GCR4)
Store(DGC2, GCR5)
Store(DGC2, GCR6)
Store(DGP0, PST0)
Store(DGP0, PST1)
Store(DGP1, PST2)
Store(DGP1, PST3)
Store(DGP1, PST4)
Store(DGP2, PST5)
Store(DGP2, PST6)
// Read Current low power mode setting from global NVS
Store(DLPM, LPMV)
// Update DPTF Super Debug option
Store(DDBG, PDBG)
// Update DPTF LPO Options
Store(LPOE, Index(DLPO,1))
Store(LPPS, Index(DLPO,2))
Store(LPST, Index(DLPO,3))
Store(LPPC, Index(DLPO,4))
Store(LPPF, Index(DLPO,5))
Store(DPME, PDPM)
}
// Define a (Control Method) Power Button.
Device(PWRB)
{
Name(_HID,EISAID("PNP0C0C"))
// GPI_SUS0 = GPE16 = Waketime SCI. The PRW isn't working when
// placed in any of the logical locations ( PS2K, PS2M),
// so a Power Button Device was created specifically
// for the WAKETIME_SCI PRW.
Name(_PRW, Package() {16,4})
}
Device(SLPB)
{
Name(_HID, EISAID("PNP0C0E"))
} // END SLPB
Scope(PCI0)
{
Method(_INI,0)
{
// Determine the OS and store the value, where:
//
// OSYS = 2009 = Windows 7 and Windows Server 2008 R2.
// OSYS = 2012 = Windows 8 and Windows Server 2012.
//
// Assume Windows 7 at a minimum.
Store(2009,OSYS)
// Check for a specific OS which supports _OSI.
If(CondRefOf(\_OSI,Local0))
{
// Linux returns _OSI = TRUE for numerous Windows
// strings so that it is fully compatible with
// BIOSes available in the market today. There are
// currently 2 known exceptions to this model:
// 1) Video Repost - Linux supports S3 without
// requireing a Driver, meaning a Video
// Repost will be required.
// 2) On-Screen Branding - a full CMT Logo
// is limited to the WIN2K and WINXP
// Operating Systems only.
// Use OSYS for Windows Compatibility.
If(\_OSI("Windows 2009")) // Windows 7 or Windows Server 2008 R2
{
Store(2009,OSYS)
}
If(\_OSI("Windows 2012")) // Windows 8 or Windows Server 2012
{
Store(2012,OSYS)
}
If(\_OSI("Windows 2013")) //Windows Blue
{
Store(2013,OSYS)
}
//
// If CMP is enabled, enable SMM C-State
// coordination. SMM C-State coordination
// will be disabled in _PDC if driver support
// for independent C-States deeper than C1
// is indicated.
}
}
Method(NHPG,0,Serialized)
{
}
Method(NPME,0,Serialized)
{
}
} // end Scope(PCI0)
Device (GPED) //virtual GPIO device for ASL based AC/Battery/Expection notification
{
Name (_ADR, 0)
Name (_HID, "INT0002")
Name (_CID, "INT0002")
Name (_DDN, "Virtual GPIO controller" )
Name (_UID, 1)
Method (_CRS, 0x0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, ) {0x9} // Was 9
})
Return (RBUF)
}
Method (_STA, 0x0, NotSerialized)
{
Return(0x0)
}
Method (_AEI, 0x0, Serialized)
{
Name(RBUF, ResourceTemplate()
{
GpioInt(Edge, ActiveHigh, ExclusiveAndWake, PullDown,,"\\_SB.GPED",) {2} //pin 2
})
Return(RBUF)
}
Method(_E02) // _Exx method will be called when interrupt is raised
{
If (LEqual (PWBS, 1))
{
Store (1, PWBS) //Clear PowerButton Status
}
If (LEqual (PMEB, 1))
{
Store (1, PMEB) //Clear PME_B0_STS
}
If (LEqual (\_SB.PCI0.SATA.PMES, 1))
{
Store (1, \_SB.PCI0.SATA.PMES)
Notify (\_SB.PCI0.SATA, 0x02)
}
//
// eMMC 4.41
//
If (LAnd(LEqual (\_SB.PCI0.EM41.PMES, 1), LEqual(PCIM, 1)))
{
Store (1, \_SB.PCI0.EM41.PMES)
Notify (\_SB.PCI0.EM41, 0x02)
}
//
// eMMC 4.5
//
If (LAnd(LEqual (\_SB.PCI0.EM45.PMES, 1), LEqual(PCIM, 1)))
{
Store (1, \_SB.PCI0.EM45.PMES)
Notify (\_SB.PCI0.EM45, 0x02)
}
If (LEqual(HDAD, 0))
{
If (LEqual (\_SB.PCI0.HDEF.PMES, 1))
{
Store (1, \_SB.PCI0.HDEF.PMES)
Notify (\_SB.PCI0.HDEF, 0x02)
}
}
If (LEqual (\_SB.PCI0.EHC1.PMES, 1))
{
Store (1, \_SB.PCI0.EHC1.PMES)
Notify (\_SB.PCI0.EHC1, 0x02)
}
If (LEqual (\_SB.PCI0.XHC1.PMES, 1))
{
Store (1, \_SB.PCI0.XHC1.PMES)
Notify (\_SB.PCI0.XHC1, 0x02)
}
If (LEqual (\_SB.PCI0.SEC0.PMES, 1))
{
Or (\_SB.PCI0.SEC0.PMES, Zero, \_SB.PCI0.SEC0.PMES)
Notify (\_SB.PCI0.SEC0, 0x02)
}
}
} // Device (GPED)
//--------------------
// GPIO
//--------------------
Device (GPO0)
{
Name (_ADR, 0)
Name (_HID, "INT33FC")
Name (_CID, "INT33B2")
Name (_DDN, "ValleyView2 General Purpose Input/Output (GPIO) controller" )
Name (_UID, 1)
Method (_CRS, 0x0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, 0x0FED0C000, 0x00001000)
Interrupt(ResourceConsumer, Level, ActiveLow, Shared, , , ) {49}
})
Return (RBUF)
}
Method (_STA, 0x0, NotSerialized)
{
//
// GPO driver will report present if any of below New IO bus exist
//
If (LOr(LEqual(L11D, 0), LEqual(L12D, 0))) // LPIO1 PWM #1 or #2 exist
{ Return(0xF) }
If (LOr(LEqual(L13D, 0), LEqual(L14D, 0))) // LPIO1 HS-UART #1 or #2 exist
{ Return(0xF) }
If (LOr(LEqual(L15D, 0), LEqual(SD1D, 0))) // LPIO1 SPI or SCC SDIO #1 exist
{ Return(0xF) }
If (LOr(LEqual(SD2D, 0), LEqual(SD3D, 0))) // SCC SDIO #2 or #3 exist
{ Return(0xF) }
If (LOr(LEqual(L21D, 0), LEqual(L22D, 0))) // LPIO2 I2C #1 or #2 exist
{ Return(0xF) }
If (LOr(LEqual(L23D, 0), LEqual(L24D, 0))) // LPIO2 I2C #3 or #4 exist
{ Return(0xF) }
If (LOr(LEqual(L25D, 0), LEqual(L26D, 0))) // LPIO2 I2C #5 or #6 exist
{ Return(0xF) }
If (LEqual(L27D, 0)) // LPIO2 I2C #7 exist
{ Return(0xF) }
Return(0x0)
}
// Track status of GPIO OpRegion availability for this controller
Name(AVBL, 0)
Method(_REG,2)
{
If (Lequal(Arg0, 8))
{
Store(Arg1, ^AVBL)
}
}
OperationRegion(GPOP, SystemIo, \GPBS, 0x50)
Field(GPOP, ByteAcc, NoLock, Preserve) {
Offset(0x28), // cfio_ioreg_SC_GP_LVL_63_32_ - [GPIO_BASE_ADDRESS] + 28h
, 21,
BTD3, 1, //This field is not used. Pin not defined in schematics. Closest is GPIO_S5_35 - COMBO_BT_WAKEUP
Offset(0x48), // cfio_ioreg_SC_GP_LVL_95_64_ - [GPIO_BASE_ADDRESS] + 48h
, 30,
SHD3, 1 //GPIO_S0_SC_95 - SENS_HUB_RST_N
}
} // Device (GPO0)
Device (GPO1)
{
Name (_ADR, 0)
Name (_HID, "INT33FC")
Name (_CID, "INT33B2")
Name (_DDN, "ValleyView2 GPNCORE controller" )
Name (_UID, 2)
Method (_CRS, 0x0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, 0x0FED0D000, 0x00001000)
Interrupt(ResourceConsumer, Level, ActiveLow, Shared, , , ) {48}
})
Return (RBUF)
}
Method (_STA, 0x0, NotSerialized)
{
Return(\_SB.GPO0._STA)
}
} // Device (GPO1)
Device (GPO2)
{
Name (_ADR, 0)
Name (_HID, "INT33FC")
Name (_CID, "INT33B2")
Name (_DDN, "ValleyView2 GPSUS controller" )
Name (_UID, 3)
Method (_CRS, 0x0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, 0x0FED0E000, 0x00001000)
Interrupt(ResourceConsumer, Level, ActiveLow, Shared, , , ) {50}
})
Return (RBUF)
}
Method (_STA, 0x0, NotSerialized)
{
Return(^^GPO0._STA)
}
// Track status of GPIO OpRegion availability for this controller
Name(AVBL, 0)
Method(_REG,2)
{
If (Lequal(Arg0, 8))
{
Store(Arg1, ^AVBL)
}
}
//Manipulate GPIO line using GPIO operation regions.
Name (GMOD, ResourceTemplate () //One method of creating a Connection for OpRegion accesses in Field definitions
{
//is creating a named object that refers to the connection attributes
GpioIo (Exclusive, PullDefault, 0, 0, IoRestrictionOutputOnly, "\\_SB.GPO2") {21} //sus 21+128 BT+WLAN_ENABLE
})
OperationRegion(GPOP, SystemIo, \GPBS, 0x100)
Field(GPOP, ByteAcc, NoLock, Preserve) {
Offset(0x88), // cfio_ioreg_SUS_GP_LVL_31_0_ - [GPIO_BASE_ADDRESS] + 88h
, 20,
WFD3, 1
}
} // Device (GPO2)
include ("PchScc.asl")
include ("PchLpss.asl")
Scope(I2C7)
{
} //End Scope(I2C7)
} // end Scope(\_SB)
Name(PICM, 0) // Global Name, returns current Interrupt controller mode; updated from _PIC control method