Root/
| 1 | # |
| 2 | # x86 CPU Frequency scaling drivers |
| 3 | # |
| 4 | |
| 5 | config X86_PCC_CPUFREQ |
| 6 | tristate "Processor Clocking Control interface driver" |
| 7 | depends on ACPI && ACPI_PROCESSOR |
| 8 | help |
| 9 | This driver adds support for the PCC interface. |
| 10 | |
| 11 | For details, take a look at: |
| 12 | <file:Documentation/cpu-freq/pcc-cpufreq.txt>. |
| 13 | |
| 14 | To compile this driver as a module, choose M here: the |
| 15 | module will be called pcc-cpufreq. |
| 16 | |
| 17 | If in doubt, say N. |
| 18 | |
| 19 | config X86_ACPI_CPUFREQ |
| 20 | tristate "ACPI Processor P-States driver" |
| 21 | select CPU_FREQ_TABLE |
| 22 | depends on ACPI_PROCESSOR |
| 23 | help |
| 24 | This driver adds a CPUFreq driver which utilizes the ACPI |
| 25 | Processor Performance States. |
| 26 | This driver also supports Intel Enhanced Speedstep. |
| 27 | |
| 28 | To compile this driver as a module, choose M here: the |
| 29 | module will be called acpi-cpufreq. |
| 30 | |
| 31 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 32 | |
| 33 | If in doubt, say N. |
| 34 | |
| 35 | config ELAN_CPUFREQ |
| 36 | tristate "AMD Elan SC400 and SC410" |
| 37 | select CPU_FREQ_TABLE |
| 38 | depends on MELAN |
| 39 | ---help--- |
| 40 | This adds the CPUFreq driver for AMD Elan SC400 and SC410 |
| 41 | processors. |
| 42 | |
| 43 | You need to specify the processor maximum speed as boot |
| 44 | parameter: elanfreq=maxspeed (in kHz) or as module |
| 45 | parameter "max_freq". |
| 46 | |
| 47 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 48 | |
| 49 | If in doubt, say N. |
| 50 | |
| 51 | config SC520_CPUFREQ |
| 52 | tristate "AMD Elan SC520" |
| 53 | select CPU_FREQ_TABLE |
| 54 | depends on MELAN |
| 55 | ---help--- |
| 56 | This adds the CPUFreq driver for AMD Elan SC520 processor. |
| 57 | |
| 58 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 59 | |
| 60 | If in doubt, say N. |
| 61 | |
| 62 | |
| 63 | config X86_POWERNOW_K6 |
| 64 | tristate "AMD Mobile K6-2/K6-3 PowerNow!" |
| 65 | select CPU_FREQ_TABLE |
| 66 | depends on X86_32 |
| 67 | help |
| 68 | This adds the CPUFreq driver for mobile AMD K6-2+ and mobile |
| 69 | AMD K6-3+ processors. |
| 70 | |
| 71 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 72 | |
| 73 | If in doubt, say N. |
| 74 | |
| 75 | config X86_POWERNOW_K7 |
| 76 | tristate "AMD Mobile Athlon/Duron PowerNow!" |
| 77 | select CPU_FREQ_TABLE |
| 78 | depends on X86_32 |
| 79 | help |
| 80 | This adds the CPUFreq driver for mobile AMD K7 mobile processors. |
| 81 | |
| 82 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 83 | |
| 84 | If in doubt, say N. |
| 85 | |
| 86 | config X86_POWERNOW_K7_ACPI |
| 87 | bool |
| 88 | depends on X86_POWERNOW_K7 && ACPI_PROCESSOR |
| 89 | depends on !(X86_POWERNOW_K7 = y && ACPI_PROCESSOR = m) |
| 90 | depends on X86_32 |
| 91 | default y |
| 92 | |
| 93 | config X86_POWERNOW_K8 |
| 94 | tristate "AMD Opteron/Athlon64 PowerNow!" |
| 95 | select CPU_FREQ_TABLE |
| 96 | depends on ACPI && ACPI_PROCESSOR |
| 97 | help |
| 98 | This adds the CPUFreq driver for K8/K10 Opteron/Athlon64 processors. |
| 99 | |
| 100 | To compile this driver as a module, choose M here: the |
| 101 | module will be called powernow-k8. |
| 102 | |
| 103 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 104 | |
| 105 | config X86_GX_SUSPMOD |
| 106 | tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation" |
| 107 | depends on X86_32 && PCI |
| 108 | help |
| 109 | This add the CPUFreq driver for NatSemi Geode processors which |
| 110 | support suspend modulation. |
| 111 | |
| 112 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 113 | |
| 114 | If in doubt, say N. |
| 115 | |
| 116 | config X86_SPEEDSTEP_CENTRINO |
| 117 | tristate "Intel Enhanced SpeedStep (deprecated)" |
| 118 | select CPU_FREQ_TABLE |
| 119 | select X86_SPEEDSTEP_CENTRINO_TABLE if X86_32 |
| 120 | depends on X86_32 || (X86_64 && ACPI_PROCESSOR) |
| 121 | help |
| 122 | This is deprecated and this functionality is now merged into |
| 123 | acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of |
| 124 | speedstep_centrino. |
| 125 | This adds the CPUFreq driver for Enhanced SpeedStep enabled |
| 126 | mobile CPUs. This means Intel Pentium M (Centrino) CPUs |
| 127 | or 64bit enabled Intel Xeons. |
| 128 | |
| 129 | To compile this driver as a module, choose M here: the |
| 130 | module will be called speedstep-centrino. |
| 131 | |
| 132 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 133 | |
| 134 | If in doubt, say N. |
| 135 | |
| 136 | config X86_SPEEDSTEP_CENTRINO_TABLE |
| 137 | bool "Built-in tables for Banias CPUs" |
| 138 | depends on X86_32 && X86_SPEEDSTEP_CENTRINO |
| 139 | default y |
| 140 | help |
| 141 | Use built-in tables for Banias CPUs if ACPI encoding |
| 142 | is not available. |
| 143 | |
| 144 | If in doubt, say N. |
| 145 | |
| 146 | config X86_SPEEDSTEP_ICH |
| 147 | tristate "Intel Speedstep on ICH-M chipsets (ioport interface)" |
| 148 | select CPU_FREQ_TABLE |
| 149 | depends on X86_32 |
| 150 | help |
| 151 | This adds the CPUFreq driver for certain mobile Intel Pentium III |
| 152 | (Coppermine), all mobile Intel Pentium III-M (Tualatin) and all |
| 153 | mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2, |
| 154 | ICH3 or ICH4 southbridge. |
| 155 | |
| 156 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 157 | |
| 158 | If in doubt, say N. |
| 159 | |
| 160 | config X86_SPEEDSTEP_SMI |
| 161 | tristate "Intel SpeedStep on 440BX/ZX/MX chipsets (SMI interface)" |
| 162 | select CPU_FREQ_TABLE |
| 163 | depends on X86_32 && EXPERIMENTAL |
| 164 | help |
| 165 | This adds the CPUFreq driver for certain mobile Intel Pentium III |
| 166 | (Coppermine), all mobile Intel Pentium III-M (Tualatin) |
| 167 | on systems which have an Intel 440BX/ZX/MX southbridge. |
| 168 | |
| 169 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 170 | |
| 171 | If in doubt, say N. |
| 172 | |
| 173 | config X86_P4_CLOCKMOD |
| 174 | tristate "Intel Pentium 4 clock modulation" |
| 175 | select CPU_FREQ_TABLE |
| 176 | help |
| 177 | This adds the CPUFreq driver for Intel Pentium 4 / XEON |
| 178 | processors. When enabled it will lower CPU temperature by skipping |
| 179 | clocks. |
| 180 | |
| 181 | This driver should be only used in exceptional |
| 182 | circumstances when very low power is needed because it causes severe |
| 183 | slowdowns and noticeable latencies. Normally Speedstep should be used |
| 184 | instead. |
| 185 | |
| 186 | To compile this driver as a module, choose M here: the |
| 187 | module will be called p4-clockmod. |
| 188 | |
| 189 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 190 | |
| 191 | Unless you are absolutely sure say N. |
| 192 | |
| 193 | config X86_CPUFREQ_NFORCE2 |
| 194 | tristate "nVidia nForce2 FSB changing" |
| 195 | depends on X86_32 && EXPERIMENTAL |
| 196 | help |
| 197 | This adds the CPUFreq driver for FSB changing on nVidia nForce2 |
| 198 | platforms. |
| 199 | |
| 200 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 201 | |
| 202 | If in doubt, say N. |
| 203 | |
| 204 | config X86_LONGRUN |
| 205 | tristate "Transmeta LongRun" |
| 206 | depends on X86_32 |
| 207 | help |
| 208 | This adds the CPUFreq driver for Transmeta Crusoe and Efficeon processors |
| 209 | which support LongRun. |
| 210 | |
| 211 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 212 | |
| 213 | If in doubt, say N. |
| 214 | |
| 215 | config X86_LONGHAUL |
| 216 | tristate "VIA Cyrix III Longhaul" |
| 217 | select CPU_FREQ_TABLE |
| 218 | depends on X86_32 && ACPI_PROCESSOR |
| 219 | help |
| 220 | This adds the CPUFreq driver for VIA Samuel/CyrixIII, |
| 221 | VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T |
| 222 | processors. |
| 223 | |
| 224 | For details, take a look at <file:Documentation/cpu-freq/>. |
| 225 | |
| 226 | If in doubt, say N. |
| 227 | |
| 228 | config X86_E_POWERSAVER |
| 229 | tristate "VIA C7 Enhanced PowerSaver (DANGEROUS)" |
| 230 | select CPU_FREQ_TABLE |
| 231 | depends on X86_32 && EXPERIMENTAL |
| 232 | help |
| 233 | This adds the CPUFreq driver for VIA C7 processors. However, this driver |
| 234 | does not have any safeguards to prevent operating the CPU out of spec |
| 235 | and is thus considered dangerous. Please use the regular ACPI cpufreq |
| 236 | driver, enabled by CONFIG_X86_ACPI_CPUFREQ. |
| 237 | |
| 238 | If in doubt, say N. |
| 239 | |
| 240 | comment "shared options" |
| 241 | |
| 242 | config X86_SPEEDSTEP_LIB |
| 243 | tristate |
| 244 | default (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD) |
| 245 | |
| 246 | config X86_SPEEDSTEP_RELAXED_CAP_CHECK |
| 247 | bool "Relaxed speedstep capability checks" |
| 248 | depends on X86_32 && (X86_SPEEDSTEP_SMI || X86_SPEEDSTEP_ICH) |
| 249 | help |
| 250 | Don't perform all checks for a speedstep capable system which would |
| 251 | normally be done. Some ancient or strange systems, though speedstep |
| 252 | capable, don't always indicate that they are speedstep capable. This |
| 253 | option lets the probing code bypass some of those checks if the |
| 254 | parameter "relaxed_check=1" is passed to the module. |
| 255 | |
| 256 |
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javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9
