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/* SPDX-License-Identifier: GPL-2.0-only */
/* Intel Cougar Point PCH support */
Scope(\)
{
// Return TRUE if chipset is LynxPoint-LP
Method (ISLP, 0, NotSerialized)
{
Return (CONFIG(INTEL_LYNXPOINT_LP))
}
// IO-Trap at 0x800. This is the ACPI->SMI communication interface.
OperationRegion(IO_T, SystemIO, 0x800, 0x10)
Field(IO_T, ByteAcc, NoLock, Preserve)
{
Offset(0x8),
TRP0, 8 // IO-Trap at 0x808
}
// ICH7 Root Complex Register Block. Memory Mapped through RCBA)
OperationRegion(RCRB, SystemMemory, DEFAULT_RCBA, 0x4000)
Field(RCRB, DWordAcc, Lock, Preserve)
{
Offset(0x3404), // High Performance Timer Configuration
HPAS, 2, // Address Select
, 5,
HPTE, 1, // Address Enable
Offset(0x3418), // FD (Function Disable)
, 1, // Reserved
PCID, 1, // PCI bridge disable
SA1D, 1, // SATA1 disable
SMBD, 1, // SMBUS disable
HDAD, 1, // Azalia disable
, 8, // Reserved
EH2D, 1, // EHCI #2 disable
LPBD, 1, // LPC bridge disable
EH1D, 1, // EHCI #1 disable
RP1D, 1, // Root Port 1 disable
RP2D, 1, // Root Port 2 disable
RP3D, 1, // Root Port 3 disable
RP4D, 1, // Root Port 4 disable
RP5D, 1, // Root Port 5 disable
RP6D, 1, // Root Port 6 disable
RP7D, 1, // Root Port 7 disable
RP8D, 1, // Root Port 8 disable
TTRD, 1, // Thermal sensor registers disable
SA2D, 1, // SATA2 disable
Offset(0x3428), // FD2 (Function Disable 2)
BDFD, 1, // Display BDF
ME1D, 1, // ME Interface 1 disable
ME2D, 1, // ME Interface 2 disable
IDRD, 1, // IDE redirect disable
KTCT, 1, // Keyboard Text redirect disable
}
}
// High Definition Audio (Azalia) 0:1b.0
#include "audio.asl"
// PCI Express Ports 0:1c.x
#include <southbridge/intel/common/acpi/pcie.asl>
// USB 0:1d.0 and 0:1a.0
#include "usb.asl"
// LPC Bridge 0:1f.0
#include "lpc.asl"
// SATA 0:1f.2, 0:1f.5
#include "sata.asl"
// SMBus 0:1f.3
#include <southbridge/intel/common/acpi/smbus.asl>
// Serial IO
#if CONFIG(INTEL_LYNXPOINT_LP)
#include "serialio.asl"
#include "lpt_lp.asl"
#endif
Method (_OSC, 4)
{
/* Check for proper GUID */
If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
{
/* Let OS control everything */
Return (Arg3)
}
Else
{
/* Unrecognized UUID */
CreateDWordField (Arg3, 0, CDW1)
Or (CDW1, 4, CDW1)
Return (Arg3)
}
}
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