alder_lake_bios/Intel/AlderLake/AlderLakeBoardPkg/Acpi/AcpiTables/Dsdt/Cpu.asl

167 lines
5.0 KiB
Plaintext

/** @file
ACPI DSDT table
@copyright
INTEL CONFIDENTIAL
Copyright 2011 - 2021 Intel Corporation.
The source code contained or described herein and all documents related to the
source code ("Material") are owned by Intel Corporation or its suppliers or
licensors. Title to the Material remains with Intel Corporation or its suppliers
and licensors. The Material may contain trade secrets and proprietary and
confidential information of Intel Corporation and its suppliers and licensors,
and is protected by worldwide copyright and trade secret laws and treaty
provisions. No part of the Material may be used, copied, reproduced, modified,
published, uploaded, posted, transmitted, distributed, or disclosed in any way
without Intel's prior express written permission.
No license under any patent, copyright, trade secret or other intellectual
property right is granted to or conferred upon you by disclosure or delivery
of the Materials, either expressly, by implication, inducement, estoppel or
otherwise. Any license under such intellectual property rights must be
express and approved by Intel in writing.
Unless otherwise agreed by Intel in writing, you may not remove or alter
this notice or any other notice embedded in Materials by Intel or
Intel's suppliers or licensors in any way.
This file contains a 'Sample Driver' and is licensed as such under the terms
of your license agreement with Intel or your vendor. This file may be modified
by the user, subject to the additional terms of the license agreement.
@par Specification Reference:
**/
#define CPU_DEVICE(INDEX, INDEX_VALUE) \
Device(PR##INDEX){ \
Name(_HID, "ACPI0007") \
Name(_UID, INDEX_VALUE) \
}
Scope(\_SB)
{
CPU_DEVICE(00, 0)
CPU_DEVICE(01, 1)
CPU_DEVICE(02, 2)
CPU_DEVICE(03, 3)
CPU_DEVICE(04, 4)
CPU_DEVICE(05, 5)
CPU_DEVICE(06, 6)
CPU_DEVICE(07, 7)
CPU_DEVICE(08, 8)
CPU_DEVICE(09, 9)
CPU_DEVICE(10, 10)
CPU_DEVICE(11, 11)
CPU_DEVICE(12, 12)
CPU_DEVICE(13, 13)
CPU_DEVICE(14, 14)
CPU_DEVICE(15, 15)
CPU_DEVICE(16, 16)
CPU_DEVICE(17, 17)
CPU_DEVICE(18, 18)
CPU_DEVICE(19, 19)
CPU_DEVICE(20, 20)
CPU_DEVICE(21, 21)
CPU_DEVICE(22, 22)
CPU_DEVICE(23, 23)
CPU_DEVICE(24, 24)
CPU_DEVICE(25, 25)
CPU_DEVICE(26, 26)
CPU_DEVICE(27, 27)
CPU_DEVICE(28, 28)
CPU_DEVICE(29, 29)
CPU_DEVICE(30, 30)
CPU_DEVICE(31, 31)
CPU_DEVICE(32, 32)
CPU_DEVICE(33, 33)
CPU_DEVICE(34, 34)
CPU_DEVICE(35, 35)
CPU_DEVICE(36, 36)
CPU_DEVICE(37, 37)
CPU_DEVICE(38, 38)
CPU_DEVICE(39, 39)
CPU_DEVICE(40, 40)
CPU_DEVICE(41, 41)
CPU_DEVICE(42, 42)
CPU_DEVICE(43, 43)
CPU_DEVICE(44, 44)
CPU_DEVICE(45, 45)
CPU_DEVICE(46, 46)
CPU_DEVICE(47, 47)
CPU_DEVICE(48, 48)
CPU_DEVICE(49, 49)
CPU_DEVICE(50, 50)
CPU_DEVICE(51, 51)
CPU_DEVICE(52, 52)
CPU_DEVICE(53, 53)
CPU_DEVICE(54, 54)
CPU_DEVICE(55, 55)
CPU_DEVICE(56, 56)
CPU_DEVICE(57, 57)
CPU_DEVICE(58, 58)
CPU_DEVICE(59, 59)
CPU_DEVICE(60, 60)
CPU_DEVICE(61, 61)
CPU_DEVICE(62, 62)
CPU_DEVICE(63, 63)
} // End Scope(\_SB)
#undef CPU_DEVICE
#ifndef SPS_SUPPORT // SPS is using Processor Aggregator Device different way
Scope(\_SB)
{
// The Processor Aggregator Device provides a control point that enables the platform to perform
// specific processor configuration and control that applies to all processors in the platform.
Device (PAGD)
{
Name (_HID, "ACPI000C") // Processor Aggregator Device
// _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)
{
If(\_OSI("Processor Aggregator Device")){
Return (0x0F) // Processor Aggregator Device is supported by this OS.
} Else {
Return (0) // No support in this OS.
}
}
// _PUR (Processor Utilization Request)
//
// The _PUR object is an optional object that may be declared under the Processor Aggregator Device
// and provides a means for the platform to indicate to OSPM the number of logical processors
// to be idled. OSPM evaluates the _PUR object as a result of the processing of a Notify event
// on the Processor Aggregator device object of type 0x80.
//
// Arguments: (0)
// None
// Return Value:
// Package
//
Name (_PUR, Package() // Requests a number of logical processors to be placed in an idle state.
{
1, // RevisionID, Integer: Current value is 1
0 // NumProcessors, Integer
})
} // end Device(PAGD)
}// end Scope(\_SB)
#endif // ndef SPS_SUPPORT