diff options
Diffstat (limited to 'src/northbridge/amd/amdk8/thermal_mixin.asl')
| -rw-r--r-- | src/northbridge/amd/amdk8/thermal_mixin.asl | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/src/northbridge/amd/amdk8/thermal_mixin.asl b/src/northbridge/amd/amdk8/thermal_mixin.asl deleted file mode 100644 index b738d965c8..0000000000 --- a/src/northbridge/amd/amdk8/thermal_mixin.asl +++ /dev/null @@ -1,285 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Christoph Grenz <christophg+cb@grenz-bonn.de> - * - * 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. - */ - -/* - * include this file into a mainboards DSDT inside the PCI device - * "K8 Miscellaneous Control" and it will expose the temperature - * sensors of the processor as thermal zones. - * - * If, for example, the K8 Misc. Control device is on 0:18.3, include the - * following inside the PCI0 device: - * - * Device(K8MC) { - * Name (_ADR, 0x00180003) - * #include northbridge/amd/amdk8/thermal_mixin.asl - * } - * - * Note: as only the current temperature and the trip temperature for - * "Software Thermal Control" are available in the PCI registers, but the - * linux driver for thermal zones needs a critical temperature value, a - * reasonable critical temperature is calculated by simply adding 6°C to - * the trip temperature. - * - * The used registers are documented in the "BIOS and Kernel Developer's - * Guide for AMD NPT Family 0Fh Processors" - * http://support.amd.com/us/Processor_TechDocs/32559.pdf - * - */ - -#ifndef K8TEMP_CRITICAL_ADD -# define K8TEMP_CRITICAL_ADD 6 -#endif - -OperationRegion(K8TR, PCI_Config, 0xE4, 0x4) -Field(K8TR, DWordAcc, NoLock, Preserve) { - , 1, - THTP, 1, /* Temperature sensor trip occurred */ - CORE, 1, /* Select Core */ - TTS0, 1, /* Temperature sensor trip on CPU1 (or single core CPU0) */ - TTS1, 1, /* Temperature sensor trip on CPU0 */ - TTEN, 1, /* Temperature sensor trip enabled */ - PLAC, 1, /* Select Sensor */ - , 1, - DOFF, 6, /* Diode offset (signed 6bit-Integer) in °C */ - TFRC, 2, /* Temperature fractions */ - TVAL, 8, /* Temperature value in °C biased by -49 */ - TJOF, 5, - , 2, - SWTT, 1, /* Induce a thermtrip event (for diagnostic purposes) */ -} - -OperationRegion(K8ST, PCI_Config, 0x70, 0x1) -Field(K8ST, ByteAcc, NoLock, Preserve) { - TMAX, 5, /* Maximum temperature for software thermal control, in °C, biased by 52 */ -} - -/* Calculates temperature in tenths Kelvin from given TVAL and TFRC values */ -Method(K8PT, 2) { - Divide(Multiply(Arg1, 5), 2, , Local0) - Return (Add(Multiply(Add(Arg0, 224),10), Local0)) -} - -/* Calculates the diode offset from a DOFF value */ -Method(K8PO, 1) { - If (And(Arg0, 0x20)) - { - Return (Multiply(Subtract(Xor(Arg0, 0x3F), 1), 10)) - } - Else { - Return (Multiply(Arg0, 10)) - } -} - -ThermalZone (K8T0) { - Name(_HID, EisaId("PNP0C11")) - Name(_UID, "k8-0") - Name(_STR, Unicode("K8 compatible CPU Core 1 Thermal Sensor 1")) - - Method(_STA) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(Zero, PLAC) - If (LOr(PLAC, CORE)) { - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x00) - } - - If (LOr(LNot(TVAL), LEqual(TVAL, 0xFF))) { - Return (0x00) - } - - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x0F) - } - - Method(_TMP) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(Zero, PLAC) - - Store (K8PT(TVAL, TFRC), Local2) - Add (K8PO(DOFF), Local2, Local2) - Store(Local0, CORE) - Store(Local1, PLAC) - - Return (Local2) - } - - Method(_CRT) { - Add(TMAX, 325, Local0) - Add(Local0, K8TEMP_CRITICAL_ADD, Local0) - Return (Multiply(Local0, 10)) - } -} - -ThermalZone (K8T1) { - Name(_HID, EisaId("PNP0C11")) - Name(_UID, "k8-1") - Name(_STR, Unicode("K8 compatible CPU Core 1 Thermal Sensor 2")) - - Name(_TZD, Package () {\_PR.CP00}) - - Method(_STA) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(Zero, PLAC) - If (LOr(PLAC, CORE)) { - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x00) - } - - Store(One, PLAC) - If (LOr(LNot(TVAL), LEqual(TVAL, 0xFF))) { - Return (0x00) - } - - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x0F) - } - - Method(_TMP) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(One, PLAC) - - Store (K8PT(TVAL, TFRC), Local2) - Add (K8PO(DOFF), Local2, Local2) - Store(Local0, CORE) - Store(Local1, PLAC) - - Return (Local2) - } - - Method(_CRT) { - Add(TMAX, 325, Local0) - Add(Local0, K8TEMP_CRITICAL_ADD, Local0) - Return (Multiply(Local0, 10)) - } -} - -ThermalZone (K8T2) { - Name(_HID, EisaId("PNP0C11")) - Name(_UID, "k8-2") - Name(_STR, Unicode("K8 compatible CPU Core 2 Thermal Sensor 1")) - - Name(_TZD, Package () {\_PR.CP00}) - - Method(_STA) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(Zero, PLAC) - If (LOr(PLAC, CORE)) { - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x00) - } - - Store(One, CORE) - If (LOr(LNot(TVAL), LEqual(TVAL, 0xFF))) { - Return (0x00) - } - - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x0F) - } - - Method(_TMP) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(One, CORE) - Store(Zero, PLAC) - - Store (K8PT(TVAL, TFRC), Local2) - Add (K8PO(DOFF), Local2, Local2) - Store(Local0, CORE) - Store(Local1, PLAC) - - Return (Local2) - } - - Method(_CRT) { - Add(TMAX, 325, Local0) - Add(Local0, K8TEMP_CRITICAL_ADD, Local0) - Return (Multiply(Local0, 10)) - } -} - -ThermalZone (K8T3) { - Name(_HID, EisaId("PNP0C11")) - Name(_UID, "k8-3") - Name(_STR, Unicode("K8 compatible CPU Core 2 Thermal Sensor 2")) - - Name(_TZD, Package () {\_PR.CP00}) - - Method(_STA) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(Zero, CORE) - Store(Zero, PLAC) - If (LOr(PLAC, CORE)) { - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x00) - } - - Store(One, CORE) - Store(One, PLAC) - If (LOr(LNot(TVAL), LEqual(TVAL, 0xFF))) { - Return (0x00) - } - - Store(Local0, CORE) - Store(Local1, PLAC) - Return (0x0F) - } - - Method(_TMP) { - Store(CORE, Local0) - Store(PLAC, Local1) - - Store(One, CORE) - Store(One, PLAC) - - Store (K8PT(TVAL, TFRC), Local2) - Add (K8PO(DOFF), Local2, Local2) - Store(Local0, CORE) - Store(Local1, PLAC) - - Return (Local2) - } - - Method(_CRT) { - Add(TMAX, 325, Local0) - Add(Local0, K8TEMP_CRITICAL_ADD, Local0) - Return (Multiply(Local0, 10)) - } -} |