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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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.
*/
/* CPU */
#define DPTF_CPU_PASSIVE 80
#define DPTF_CPU_CRITICAL 90
#define DPTF_CPU_PASSIVE 80
#define DPTF_CPU_CRITICAL 90
#define DPTF_CPU_ACTIVE_AC0 90
#define DPTF_CPU_ACTIVE_AC1 80
#define DPTF_CPU_ACTIVE_AC2 70
#define DPTF_CPU_ACTIVE_AC3 60
#define DPTF_CPU_ACTIVE_AC4 50
/* These devices are created at runtime */
External (\_PR.CP00, DeviceObj)
External (\_PR.CP01, DeviceObj)
External (\_PR.CP02, DeviceObj)
External (\_PR.CP03, DeviceObj)
/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
Method (PNOT)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x81) /* _CST */
Notify (\_PR.CP01, 0x81) /* _CST */
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x81) /* _CST */
Notify (\_PR.CP03, 0x81) /* _CST */
}
}
/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */
Method (PPCN)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x80) /* _PPC */
Notify (\_PR.CP01, 0x80) /* _PPC */
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x80) /* _PPC */
Notify (\_PR.CP03, 0x80) /* _PPC */
}
}
/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
Method (TNOT)
{
If (LGreaterEqual (\PCNT, 2)) {
Notify (\_PR.CP00, 0x82) /* _TPC */
Notify (\_PR.CP01, 0x82) /* _TPC */
}
If (LGreaterEqual (\PCNT, 4)) {
Notify (\_PR.CP02, 0x82) /* _TPC */
Notify (\_PR.CP03, 0x82) /* _TPC */
}
}
/* Return a package containing enabled processor entries */
Method (PPKG)
{
If (LGreaterEqual (\PCNT, 4)) {
Return (Package() {\_PR.CP00, \_PR.CP01, \_PR.CP02, \_PR.CP03})
} ElseIf (LGreaterEqual (\PCNT, 2)) {
Return (Package() {\_PR.CP00, \_PR.CP01})
} Else {
Return (Package() {\_PR.CP00})
}
}
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