Files
system76-coreboot/src/soc/intel/skylake/acpi/lpc.asl
Patrick Georgi a5baccfd03 skylake: remove legacy devices from ACPI
Once the FADT reports that they don't exist it makes no sense to have
them in ACPI's device tree.

Change-Id: Ice82f0de592b6ca955148479fecc8506a7cdcddc
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reported-by: dhaval.v.sharma@intel.com
Reviewed-on: https://review.coreboot.org/23835
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.corp-partner.google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-02-22 09:54:07 +00:00

120 lines
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015 Intel Corporation.
*
* 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.
*/
Device (LPCB)
{
Name (_ADR, 0x001f0000)
Name (_DDN, "LPC Bus Device")
Device (FWH)
{
Name (_HID, EISAID ("INT0800"))
Name (_DDN, "Firmware Hub")
Name (_CRS, ResourceTemplate ()
{
Memory32Fixed (ReadOnly, 0xff000000, 0x01000000)
})
}
Device (HPET)
{
Name (_HID, EISAID ("PNP0103"))
Name (_DDN, "High Precision Event Timer")
Name (_CRS, ResourceTemplate ()
{
Memory32Fixed (ReadWrite, HPET_BASE_ADDRESS, 0x400)
})
Method (_STA, 0)
{
Return (0xf)
}
}
Device (PIC)
{
Name (_HID, EISAID ("PNP0000"))
Name (_DDN, "8259 Interrupt Controller")
Name (_CRS, ResourceTemplate()
{
IO (Decode16, 0x20, 0x20, 0x01, 0x02)
IO (Decode16, 0x24, 0x24, 0x01, 0x02)
IO (Decode16, 0x28, 0x28, 0x01, 0x02)
IO (Decode16, 0x2c, 0x2c, 0x01, 0x02)
IO (Decode16, 0x30, 0x30, 0x01, 0x02)
IO (Decode16, 0x34, 0x34, 0x01, 0x02)
IO (Decode16, 0x38, 0x38, 0x01, 0x02)
IO (Decode16, 0x3c, 0x3c, 0x01, 0x02)
IO (Decode16, 0xa0, 0xa0, 0x01, 0x02)
IO (Decode16, 0xa4, 0xa4, 0x01, 0x02)
IO (Decode16, 0xa8, 0xa8, 0x01, 0x02)
IO (Decode16, 0xac, 0xac, 0x01, 0x02)
IO (Decode16, 0xb0, 0xb0, 0x01, 0x02)
IO (Decode16, 0xb4, 0xb4, 0x01, 0x02)
IO (Decode16, 0xb8, 0xb8, 0x01, 0x02)
IO (Decode16, 0xbc, 0xbc, 0x01, 0x02)
IO (Decode16, 0x4d0, 0x4d0, 0x01, 0x02)
IRQNoFlags () { 2 }
})
}
Device (LDRC)
{
Name (_HID, EISAID ("PNP0C02"))
Name (_UID, 2)
Name (_DDN, "Legacy Device Resources")
Name (_CRS, ResourceTemplate ()
{
IO (Decode16, 0x2e, 0x2e, 0x1, 0x02) // First SuperIO
IO (Decode16, 0x4e, 0x4e, 0x1, 0x02) // Second SuperIO
IO (Decode16, 0x61, 0x61, 0x1, 0x01) // NMI Status
IO (Decode16, 0x63, 0x63, 0x1, 0x01) // CPU Reserved
IO (Decode16, 0x65, 0x65, 0x1, 0x01) // CPU Reserved
IO (Decode16, 0x67, 0x67, 0x1, 0x01) // CPU Reserved
IO (Decode16, 0x80, 0x80, 0x1, 0x01) // Port 80 Post
IO (Decode16, 0x92, 0x92, 0x1, 0x01) // CPU Reserved
IO (Decode16, 0xb2, 0xb2, 0x1, 0x02) // SWSMI
IO (Decode16, ACPI_BASE_ADDRESS, ACPI_BASE_ADDRESS,
0x1, 0xff)
})
}
Device (RTC)
{
Name (_HID, EISAID ("PNP0B00"))
Name (_DDN, "Real Time Clock")
Name (_CRS, ResourceTemplate ()
{
IO (Decode16, 0x70, 0x70, 1, 8)
})
}
Device (TIMR)
{
Name (_HID, EISAID ("PNP0100"))
Name (_DDN, "8254 Timer")
Name (_CRS, ResourceTemplate ()
{
IO (Decode16, 0x40, 0x40, 0x01, 0x04)
IO (Decode16, 0x50, 0x50, 0x10, 0x04)
IRQNoFlags () {0}
})
}
#include <acpi/ec.asl>
#include <acpi/superio.asl>
}