diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10/thermal_mixin.asl')
-rw-r--r-- | src/northbridge/amd/amdfam10/thermal_mixin.asl | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/northbridge/amd/amdfam10/thermal_mixin.asl b/src/northbridge/amd/amdfam10/thermal_mixin.asl deleted file mode 100644 index fb33772c1e..0000000000 --- a/src/northbridge/amd/amdfam10/thermal_mixin.asl +++ /dev/null @@ -1,85 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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 mainboard DSDT inside the PCI device - * "Northbridge Miscellaneous Control (Northbridge function 3)" and it - * will expose the temperature sensor of the processor as a thermal - * zone. - * - * Families 10 through 14 and some family 15 CPUs are supported. - * - * If, for example, the NB Misc. Control device is on 0:18.3, include - * the following: - * - * Scope (\_SB.PCI0) { - * Device (K10M) { - * Name (_ADR, 0x00180003) - * #include <northbridge/amd/amdfam10/thermal_mixin.asl> - * } - * } - * - * Do not include this if the board is affected by erratum 319 as the - * thermal sensor of Socket F/AM2+ processors may be unreliable. - * (Erratum 319 affects AM2+ boards, AM3 and later should be fine) - */ - -#ifndef K10TEMP_HOT_OFFSET -# define K10TEMP_HOT_OFFSET 100 -#endif - -#define K10TEMP_KELVIN_OFFSET 2732 -#define K10TEMP_TLIMIT_OFFSET 520 - -OperationRegion (TCFG, PCI_Config, 0x64, 0x4) -Field (TCFG, ByteAcc, NoLock, Preserve) { - HTCE, 1, /* Hardware thermal control enable */ - , 15, - TLMT, 7, /* (LimitTmp - 52) / 0.5 */ - , 9, -} - -OperationRegion (TCTL, PCI_Config, 0xa4, 0x4) -Field (TCTL, ByteAcc, NoLock, Preserve) { - , 21, - TNOW, 11, /* CurTmp / 0.125 */ -} - -ThermalZone (TZ00) { - Name (_HID, EisaId ("PNP0C11")) - Name (_STR, Unicode ("AMD CPU Core Thermal Sensor")) - - Method (_STA) { - If (LEqual (HTCE, One)) { - Return (0x0F) - } - Return (Zero) - } - - Method (_TMP) { /* Current temp in tenths degree Kelvin. */ - Multiply (TNOW, 10, Local0) - ShiftRight (Local0, 3, Local0) - Return (Add (Local0, K10TEMP_KELVIN_OFFSET)) - } - - Method (_CRT) { /* Critical temp in tenths degree Kelvin. */ - Multiply (TLMT, 10, Local0) - ShiftRight (Local0, 1, Local0) - Add (Local0, K10TEMP_TLIMIT_OFFSET, Local0) - Return (Add (Local0, K10TEMP_KELVIN_OFFSET)) - } - - Method (_HOT) { /* Hot temp in tenths degree Kelvin. */ - Return (Subtract (_CRT, K10TEMP_HOT_OFFSET)) - } -} |