1 /** @file 2 CPU EIST control methods 3 4 Copyright (c) 2013-2015 Intel Corporation. 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 DefinitionBlock ( 17 "CPU0IST.aml", 18 "SSDT", 19 0x01, 20 "SsgPmm", 21 "Cpu0Ist", 22 0x0012 23 ) 24 { 25 External (PDC0, IntObj) 26 External (CFGD, FieldUnitObj) 27 External(\_PR.CPU0, DeviceObj) 28 29 Scope(\_PR.CPU0) 30 { 31 Method(_PPC,0) 32 { 33 Return(ZERO) // Return All States Available. 34 } 35 36 Method(_PCT,0) 37 { 38 // 39 // If GV3 is supported and OSPM is capable of direct access to 40 // performance state MSR, we use MSR method 41 // 42 // 43 // PDCx[0] = Indicates whether OSPM is capable of direct access to 44 // performance state MSR. 45 // 46 If(LAnd(And(CFGD,0x0001), And(PDC0,0x0001))) 47 { 48 Return(Package() // MSR Method 49 { 50 ResourceTemplate(){Register(FFixedHW, 0, 0, 0)}, 51 ResourceTemplate(){Register(FFixedHW, 0, 0, 0)} 52 }) 53 54 } 55 56 // 57 // Otherwise, we use smi method 58 // 59 Return(Package() // SMI Method 60 { 61 ResourceTemplate(){Register(SystemIO,16,0,0xB2)}, 62 ResourceTemplate(){Register(SystemIO, 8,0,0xB3)} 63 }) 64 } 65 66 Method(_PSS,0) 67 { 68 // 69 // If OSPM is capable of direct access to performance state MSR, 70 // we report NPSS, otherwise, we report SPSS. 71 If (And(PDC0,0x0001)) 72 { 73 Return(NPSS) 74 } 75 76 Return(SPSS) 77 } 78 79 Name(SPSS,Package() 80 { 81 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 82 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 83 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 84 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 85 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 86 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 87 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 88 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 89 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 90 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 91 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 92 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000} 93 }) 94 95 Name(NPSS,Package() 96 { 97 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 98 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 99 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 100 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 101 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 102 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 103 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 104 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 105 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 106 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 107 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, 108 Package(){0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000} 109 }) 110 111 Method(_PSD,0) 112 { 113 // 114 // If CMP is suppored, we report the dependency with two processors 115 // 116 If(And(CFGD,0x1000000)) 117 { 118 // 119 // If OSPM is capable of hardware coordination of P-states, we report 120 // the dependency with hardware coordination. 121 // 122 // PDCx[11] = Indicates whether OSPM is capable of hardware coordination of P-states 123 // 124 If(And(PDC0,0x0800)) 125 { 126 Return(Package(){ 127 Package(){ 128 5, // # entries. 129 0, // Revision. 130 0, // Domain #. 131 0xFE, // Coord Type- HW_ALL. 132 2 // # processors. 133 } 134 }) 135 } 136 137 // 138 // Otherwise, the dependency with OSPM coordination 139 // 140 Return(Package(){ 141 Package(){ 142 5, // # entries. 143 0, // Revision. 144 0, // Domain #. 145 0xFC, // Coord Type- SW_ALL. 146 2 // # processors. 147 } 148 }) 149 } 150 151 // 152 // Otherwise, we report the dependency with one processor 153 // 154 Return(Package(){ 155 Package(){ 156 5, // # entries. 157 0, // Revision. 158 0, // Domain #. 159 0xFC, // Coord Type- SW_ALL. 160 1 // # processors. 161 } 162 }) 163 } 164 } 165 } 166
