diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi/dptf/cpu.asl')
| -rw-r--r-- | src/soc/intel/skylake/acpi/dptf/cpu.asl | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/acpi/dptf/cpu.asl b/src/soc/intel/skylake/acpi/dptf/cpu.asl new file mode 100644 index 0000000000..56a0d07fa2 --- /dev/null +++ b/src/soc/intel/skylake/acpi/dptf/cpu.asl @@ -0,0 +1,226 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * Copyright (C) 2015 Intel Corporation. + * + * 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. + */ + +#ifndef DPTF_CPU_PASSIVE +#define DPTF_CPU_PASSIVE 80 +#endif + +#ifndef DPTF_CPU_CRITICAL +#define DPTF_CPU_CRITICAL 90 +#endif + +#ifndef DPTF_CPU_ACTIVE_AC0 +#define DPTF_CPU_ACTIVE_AC0 90 +#endif + +#ifndef DPTF_CPU_ACTIVE_AC1 +#define DPTF_CPU_ACTIVE_AC1 80 +#endif + +#ifndef DPTF_CPU_ACTIVE_AC2 +#define DPTF_CPU_ACTIVE_AC2 70 +#endif + +#ifndef DPTF_CPU_ACTIVE_AC3 +#define DPTF_CPU_ACTIVE_AC3 60 +#endif + +#ifndef DPTF_CPU_ACTIVE_AC4 +#define DPTF_CPU_ACTIVE_AC4 50 +#endif + +External (\_PR.CPU0._TSS, MethodObj) +External (\_PR.CPU0._TPC, MethodObj) +External (\_PR.CPU0._PTC, PkgObj) +External (\_PR.CPU0._TSD, PkgObj) + +Device (B0D4) +{ + Name(_ADR, 0x00040000) /* Bus 0, Device 4, Function 0 */ + + Method (_STA) + { + If (LEqual (\DPTE, One)) { + Return (0xF) + } Else { + Return (0x0) + } + } + + /* + * Processor Throttling Controls + */ + + Method (_TSS) + { + If (CondRefOf (\_PR.CPU0._TSS)) { + Return (\_PR.CPU0._TSS) + } Else { + Return (Package () + { + Package () { 0, 0, 0, 0, 0 } + }) + } + } + + Method (_TPC) + { + If (CondRefOf (\_PR.CPU0._TPC)) { + Return (\_PR.CPU0._TPC) + } Else { + Return (0) + } + } + + Method (_PTC) + { + If (CondRefOf (\_PR.CPU0._PTC)) { + Return (\_PR.CPU0._PTC) + } Else { + Return (Package () + { + Buffer () { 0 }, + Buffer () { 0 } + }) + } + } + + Method (_TSD) + { + If (CondRefOf (\_PR.CPU0._TSD)) { + Return (\_PR.CPU0._TSD) + } Else { + Return (Package () + { + Package () { 5, 0, 0, 0, 0 } + }) + } + } + + Method (_TDL) + { + If (CondRefOf (\_PR.CPU0._TSS)) { + Store (SizeOf (\_PR.CPU0._TSS ()), Local0) + Decrement (Local0) + Return (Local0) + } Else { + Return (0) + } + } + + /* + * Processor Performance Control + */ + + Method (_PPC) + { + Return (0) + } + + Method (SPPC, 1) + { + Store (Arg0, \PPCM) + + /* Notify OS to re-read _PPC limit on each CPU */ + \PPCN () + } + + Method (_PSS) + { + If (CondRefOf (\_PR.CP00._PSS)) { + Return (\_PR.CP00._PSS) + } Else { + Return (Package () + { + Package () { 0, 0, 0, 0, 0, 0 } + }) + } + } + + + Method (_PDL) + { + /* Check for mainboard specific _PDL override */ + If (CondRefOf (\_SB.MPDL)) { + Return (\_SB.MPDL) + } ElseIf (CondRefOf (\_PR.CP00._PSS)) { + Store (SizeOf (\_PR.CP00._PSS), Local0) + Decrement (Local0) + Return (Local0) + } Else { + Return (0) + } + } + + /* Return PPCC table defined by mainboard */ + Method (PPCC) + { + Return (\_SB.MPPC) + } + +#ifdef DPTF_CPU_CRITICAL + Method (_CRT) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_CRITICAL)) + } +#endif + +#ifdef DPTF_CPU_PASSIVE + Method (_PSV) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_PASSIVE)) + } +#endif + +#ifdef DPTF_CPU_ACTIVE_AC0 + Method (_AC0) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC0)) + } +#endif + +#ifdef DPTF_CPU_ACTIVE_AC1 + Method (_AC1) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC1)) + } +#endif + +#ifdef DPTF_CPU_ACTIVE_AC2 + Method (_AC2) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC2)) + } +#endif + +#ifdef DPTF_CPU_ACTIVE_AC3 + Method (_AC3) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC3)) + } +#endif + +#ifdef DPTF_CPU_ACTIVE_AC4 + Method (_AC4) + { + Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC4)) + } +#endif +} |