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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <soc/intel/broadwell/broadwell/iomap.h>
Scope (\)
{
// 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
}
// Root Complex Register Block
OperationRegion (RCRB, SystemMemory, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE)
Field (RCRB, DWordAcc, Lock, Preserve)
{
Offset (0x3404), // High Performance Timer Configuration
HPAS, 2, // Address Select
, 5,
HPTE, 1, // Address Enable
}
/*
* Check PCH type
* Return 1 if PCH is WildcatPoint
* Return 0 if PCH is LynxPoint
*/
Method (ISWP)
{
And (\_SB.PCI0.LPCB.PDID, 0xfff0, Local0)
If (LEqual (Local0, 0x9cc0)) {
Return (1)
} Else {
Return (0)
}
}
}
// High Definition Audio (Azalia) 0:1b.0
#include "hda.asl"
// ADSP/SST 0:13.0
#include "adsp.asl"
// PCI Express Ports 0:1c.x
#include "pcie.asl"
// USB EHCI 0:1d.0
#include "ehci.asl"
// USB XHCI 0:14.0
#include "xhci.asl"
// LPC Bridge 0:1f.0
#include "lpc.asl"
// SATA 0:1f.2
#include "sata.asl"
// SMBus 0:1f.3
#include "smbus.asl"
// Serial IO
#include "serialio.asl"
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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