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/*
* This file is part of the coreboot project.
*
* 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.
*/
/* These devices are created at runtime */
External (\_PR.CP00, DeviceObj)
External (\_PR.CP01, DeviceObj)
External (\_PR.CP02, DeviceObj)
External (\_PR.CP03, DeviceObj)
External (\_PR.CP04, DeviceObj)
External (\_PR.CP05, DeviceObj)
External (\_PR.CP06, DeviceObj)
External (\_PR.CP07, 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
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x81) // _CST
Notify (\_PR.CP05, 0x81) // _CST
Notify (\_PR.CP06, 0x81) // _CST
Notify (\_PR.CP07, 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
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x80) // _PPC
Notify (\_PR.CP05, 0x80) // _PPC
Notify (\_PR.CP06, 0x80) // _PPC
Notify (\_PR.CP07, 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
}
If (LGreaterEqual (\PCNT, 8)) {
Notify (\_PR.CP04, 0x82) // _TPC
Notify (\_PR.CP05, 0x82) // _TPC
Notify (\_PR.CP06, 0x82) // _TPC
Notify (\_PR.CP07, 0x82) // _TPC
}
}
/* Return a package containing enabled processor entries */
Method (PPKG)
{
If (LGreaterEqual (\PCNT, 8)) {
Return (Package()
{
\_PR.CP00,
\_PR.CP01,
\_PR.CP02,
\_PR.CP03,
\_PR.CP04,
\_PR.CP05,
\_PR.CP06,
\_PR.CP07
})
} ElseIf (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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