diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/acpi/ctdp.asl | 239 | ||||
| -rw-r--r-- | src/soc/intel/skylake/acpi/systemagent.asl | 3 |
2 files changed, 0 insertions, 242 deletions
diff --git a/src/soc/intel/skylake/acpi/ctdp.asl b/src/soc/intel/skylake/acpi/ctdp.asl deleted file mode 100644 index 1668b4cfaa..0000000000 --- a/src/soc/intel/skylake/acpi/ctdp.asl +++ /dev/null @@ -1,239 +0,0 @@ -/* - * 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. - */ - -Scope (\_SB.PCI0.MCHC) -{ - Mutex (CTCM, 1) /* CTDP Switch Mutex (sync level 1) */ - Name (CTCC, 0) /* CTDP Current Selection */ - Name (CTCN, 0) /* CTDP Nominal Select */ - Name (CTCD, 1) /* CTDP Down Select */ - Name (CTCU, 2) /* CTDP Up Select */ - Name (SPL1, 0) /* Saved PL1 value */ - - OperationRegion (MCHB, SystemMemory, - Add (MCH_BASE_ADDRESS, 0x5000), 0x1000) - Field (MCHB, DWordAcc, Lock, Preserve) - { - Offset (0x930), /* PACKAGE_POWER_SKU */ - CTDN, 15, /* CTDP Nominal PL1 */ - Offset (0x938), /* PACKAGE_POWER_SKU_UNIT */ - PUNI, 4, /* Power Units */ - , 4, - EUNI, 5, /* Energy Units */ - , 3, - TUNI, 4, /* Time Units */ - Offset (0x958), /* PLATFORM_INFO */ - , 32, - LPMS, 1, /* LPM Support */ - CTNL, 2, /* Config TDP Number level */ - , 5, - LFM_, 8, /* Maximum Efficiency Ratio (LFM) */ - Offset (0x9a0), /* TURBO_POWER_LIMIT1 */ - PL1V, 15, /* Power Limit 1 Value */ - PL1E, 1, /* Power Limit 1 Enable */ - PL1C, 1, /* Power Limit 1 Clamp */ - PL1T, 7, /* Power Limit 1 Time */ - Offset (0x9a4), /* TURBO_POWER_LIMIT2 */ - PL2V, 15, /* Power Limit 2 Value */ - PL2E, 1, /* Power Limit 2 Enable */ - PL2C, 1, /* Power Limit 2 Clamp */ - PL2T, 7, /* Power Limit 2 Time */ - Offset (0xf3c), /* CONFIG_TDP_NOMINAL */ - TARN, 8, /* CTDP Nominal Turbo Activation Ratio */ - Offset (0xf40), /* CONFIG_TDP_LEVEL1 */ - CTDD, 15, /* CTDP Down PL1 */ - , 1, - TARD, 8, /* CTDP Down Turbo Activation Ratio */ - Offset (0xf48), /* MSR_CONFIG_TDP_LEVEL2 */ - CTDU, 15, /* CTDP Up PL1 */ - , 1, - TARU, 8, /* CTDP Up Turbo Activation Ratio */ - Offset (0xf50), /* CONFIG_TDP_CONTROL */ - CTCS, 2, /* CTDP Select */ - Offset (0xf54), /* TURBO_ACTIVATION_RATIO */ - TARS, 8, /* Turbo Activation Ratio Select */ - } - - /* - * Search CPU0 _PSS looking for control=arg0 and then - * return previous P-state entry number for new _PPC - * - * Format of _PSS: - * Name (_PSS, Package () { - * Package (6) { freq, power, tlat, blat, control, status } - * } - */ - External (\_PR.CP00._PSS) - Method (PSSS, 1, NotSerialized) - { - Store (One, Local0) /* Start at P1 */ - Store (SizeOf (\_PR.CP00._PSS), Local1) - - While (LLess (Local0, Local1)) { - /* Store _PSS entry Control value to Local2 */ - ShiftRight (DeRefOf (Index (DeRefOf (Index - (\_PR.CP00._PSS, Local0)), 4)), 8, Local2) - If (LEqual (Local2, Arg0)) { - Return (Subtract (Local0, 1)) - } - Increment (Local0) - } - - Return (0) - } - - /* Calculate PL2 based on chip type */ - Method (CPL2, 1, NotSerialized) - { - Return (Multiply (25, 8)) - } - - /* Set Config TDP Down */ - Method (STND, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (LEqual (CTCD, CTCC)) { - Release (CTCM) - Return (0) - } - - Store ("Set TDP Down", Debug) - - /* Set CTC */ - Store (CTCD, CTCS) - - /* Set TAR */ - Store (TARD, TARS) - - /* Set PPC limit and notify OS */ - Store (PSSS (TARD), PPCM) - PPCN () - - /* Set PL2 */ - Store (CPL2 (CTDD), PL2V) - - /* Set PL1 */ - Store (CTDD, PL1V) - - /* Store the new TDP Down setting */ - Store (CTCD, CTCC) - - Release (CTCM) - Return (1) - } - - /* Set Config TDP Nominal from Down */ - Method (STDN, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (LEqual (CTCN, CTCC)) { - Release (CTCM) - Return (0) - } - - Store ("Set TDP Nominal", Debug) - - /* Set PL1 */ - Store (CTDN, PL1V) - - /* Set PL2 */ - Store (CPL2 (CTDN), PL2V) - - /* Set PPC limit and notify OS */ - Store (PSSS (TARN), PPCM) - PPCN () - - /* Set TAR */ - Store (TARN, TARS) - - /* Set CTC */ - Store (CTCN, CTCS) - - /* Store the new TDP Nominal setting */ - Store (CTCN, CTCC) - - Release (CTCM) - Return (1) - } - - /* Calculate PL1 value based on requested TDP */ - Method (TDPP, 1, NotSerialized) - { - Return (Multiply (ShiftLeft (Subtract (PUNI, 1), 2), Arg0)) - } - - /* Enable Controllable TDP to limit PL1 to requested value */ - Method (CTLE, 1, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - - Store ("Enable PL1 Limit", Debug) - - /* Set _PPC to LFM */ - Store (PSSS (LFM_), Local0) - Add (Local0, 1, PPCM) - \PPCN () - - /* Set TAR to LFM-1 */ - Subtract (LFM_, 1, TARS) - - /* Set PL1 to desired value */ - Store (PL1V, SPL1) - Store (TDPP (Arg0), PL1V) - - /* Set PL1 CLAMP bit */ - Store (One, PL1C) - - Release (CTCM) - Return (1) - } - - /* Disable Controllable TDP */ - Method (CTLD, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - - Store ("Disable PL1 Limit", Debug) - - /* Clear PL1 CLAMP bit */ - Store (Zero, PL1C) - - /* Set PL1 to normal value */ - Store (SPL1, PL1V) - - /* Set TAR to 0 */ - Store (Zero, TARS) - - /* Set _PPC to 0 */ - Store (Zero, PPCM) - \PPCN () - - Release (CTCM) - Return (1) - } -} diff --git a/src/soc/intel/skylake/acpi/systemagent.asl b/src/soc/intel/skylake/acpi/systemagent.asl index 9c9fc1749d..dd19fa156b 100644 --- a/src/soc/intel/skylake/acpi/systemagent.asl +++ b/src/soc/intel/skylake/acpi/systemagent.asl @@ -374,6 +374,3 @@ Device (PDRC) /* PCI IRQ assignment */ #include "pci_irqs.asl" - -/* Configurable TDP */ -#include "ctdp.asl" |