Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 1 | # For a description of the syntax of this configuration file, |
| 2 | # see Documentation/kbuild/kconfig-language.txt. |
| 3 | # |
| 4 | |
| 5 | mainmenu "Linux/PowerPC Kernel Configuration" |
| 6 | |
| 7 | config PPC64 |
| 8 | bool "64-bit kernel" |
| 9 | default n |
| 10 | help |
| 11 | This option selects whether a 32-bit or a 64-bit kernel |
| 12 | will be built. |
| 13 | |
Johannes Berg | 17e638b | 2007-03-19 11:53:53 +0100 | [diff] [blame] | 14 | config PPC_PM_NEEDS_RTC_LIB |
| 15 | bool |
| 16 | select RTC_LIB |
| 17 | default y if PM |
| 18 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 19 | config PPC32 |
| 20 | bool |
| 21 | default y if !PPC64 |
| 22 | |
| 23 | config 64BIT |
| 24 | bool |
| 25 | default y if PPC64 |
| 26 | |
| 27 | config PPC_MERGE |
| 28 | def_bool y |
| 29 | |
| 30 | config MMU |
| 31 | bool |
| 32 | default y |
| 33 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 34 | config GENERIC_HARDIRQS |
| 35 | bool |
| 36 | default y |
| 37 | |
Ingo Molnar | 0d7012a | 2006-06-29 02:24:43 -0700 | [diff] [blame] | 38 | config IRQ_PER_CPU |
| 39 | bool |
| 40 | default y |
| 41 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 42 | config RWSEM_GENERIC_SPINLOCK |
| 43 | bool |
| 44 | |
| 45 | config RWSEM_XCHGADD_ALGORITHM |
| 46 | bool |
| 47 | default y |
| 48 | |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 49 | config ARCH_HAS_ILOG2_U32 |
| 50 | bool |
David Howells | ef55d53 | 2006-12-08 02:37:53 -0800 | [diff] [blame] | 51 | default y |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 52 | |
| 53 | config ARCH_HAS_ILOG2_U64 |
| 54 | bool |
David Howells | ef55d53 | 2006-12-08 02:37:53 -0800 | [diff] [blame] | 55 | default y if 64BIT |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 56 | |
Akinobu Mita | e779b2f | 2006-03-26 01:39:33 -0800 | [diff] [blame] | 57 | config GENERIC_HWEIGHT |
| 58 | bool |
| 59 | default y |
| 60 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 61 | config GENERIC_CALIBRATE_DELAY |
| 62 | bool |
| 63 | default y |
| 64 | |
Jon Mason | 0a9cb46 | 2006-05-19 15:35:32 -0500 | [diff] [blame] | 65 | config GENERIC_FIND_NEXT_BIT |
| 66 | bool |
| 67 | default y |
| 68 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 69 | config PPC |
| 70 | bool |
| 71 | default y |
| 72 | |
| 73 | config EARLY_PRINTK |
| 74 | bool |
Benjamin Herrenschmidt | 51d3082 | 2005-11-23 17:57:25 +1100 | [diff] [blame] | 75 | default y |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 76 | |
| 77 | config COMPAT |
| 78 | bool |
| 79 | default y if PPC64 |
| 80 | |
| 81 | config SYSVIPC_COMPAT |
| 82 | bool |
| 83 | depends on COMPAT && SYSVIPC |
| 84 | default y |
| 85 | |
| 86 | # All PPC32s use generic nvram driver through ppc_md |
| 87 | config GENERIC_NVRAM |
| 88 | bool |
| 89 | default y if PPC32 |
| 90 | |
| 91 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
| 92 | bool |
| 93 | default y |
| 94 | |
| 95 | config ARCH_MAY_HAVE_PC_FDC |
| 96 | bool |
Stephen Rothwell | bed5927 | 2007-03-04 17:04:44 +1100 | [diff] [blame] | 97 | default !PPC_PSERIES || PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 98 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 99 | config PPC_OF |
| 100 | def_bool y |
| 101 | |
| 102 | config PPC_UDBG_16550 |
| 103 | bool |
| 104 | default n |
| 105 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 106 | config GENERIC_TBSYNC |
| 107 | bool |
| 108 | default y if PPC32 && SMP |
| 109 | default n |
| 110 | |
Al Viro | e65e1fc | 2006-09-12 03:04:40 -0400 | [diff] [blame] | 111 | config AUDIT_ARCH |
| 112 | bool |
| 113 | default y |
| 114 | |
Jeremy Fitzhardinge | 73c9cea | 2006-12-08 03:30:41 -0800 | [diff] [blame] | 115 | config GENERIC_BUG |
| 116 | bool |
| 117 | default y |
| 118 | depends on BUG |
| 119 | |
Johannes Berg | b302887 | 2007-03-20 05:18:02 +1100 | [diff] [blame] | 120 | config SYS_SUPPORTS_APM_EMULATION |
Kumar Gala | 58da10b | 2007-05-23 09:51:46 -0500 | [diff] [blame] | 121 | default y if PMAC_APM_EMU |
Johannes Berg | b302887 | 2007-03-20 05:18:02 +1100 | [diff] [blame] | 122 | bool |
| 123 | |
Kumar Gala | f4fc4a5 | 2006-01-16 10:53:22 -0600 | [diff] [blame] | 124 | config DEFAULT_UIMAGE |
| 125 | bool |
| 126 | help |
| 127 | Used to allow a board to specify it wants a uImage built by default |
| 128 | default n |
| 129 | |
Johannes Berg | 543b9fd | 2007-05-03 22:31:38 +1000 | [diff] [blame] | 130 | config PPC64_SWSUSP |
| 131 | bool |
| 132 | depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) |
| 133 | default y |
| 134 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 135 | menu "Processor support" |
| 136 | choice |
| 137 | prompt "Processor Type" |
| 138 | depends on PPC32 |
| 139 | default 6xx |
| 140 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 141 | config CLASSIC32 |
Grant Likely | 650f328 | 2006-12-04 17:29:13 -0700 | [diff] [blame] | 142 | bool "52xx/6xx/7xx/74xx" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 143 | select PPC_FPU |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 144 | select 6xx |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 145 | help |
| 146 | There are four families of PowerPC chips supported. The more common |
| 147 | types (601, 603, 604, 740, 750, 7400), the Motorola embedded |
| 148 | versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC |
| 149 | embedded versions (403 and 405) and the high end 64 bit Power |
| 150 | processors (POWER 3, POWER4, and IBM PPC970 also known as G5). |
Grant Likely | 650f328 | 2006-12-04 17:29:13 -0700 | [diff] [blame] | 151 | |
| 152 | This option is the catch-all for 6xx types, including some of the |
| 153 | embedded versions. Unless there is see an option for the specific |
| 154 | chip family you are using, you want this option. |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 155 | |
Grant Likely | 650f328 | 2006-12-04 17:29:13 -0700 | [diff] [blame] | 156 | You do not want this if you are building a kernel for a 64 bit |
| 157 | IBM RS/6000 or an Apple G5, choose 6xx. |
| 158 | |
| 159 | If unsure, select this option |
| 160 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 161 | Note that the kernel runs in 32-bit mode even on 64-bit chips. |
| 162 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 163 | config PPC_82xx |
| 164 | bool "Freescale 82xx" |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 165 | select 6xx |
| 166 | select PPC_FPU |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 167 | |
| 168 | config PPC_83xx |
| 169 | bool "Freescale 83xx" |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 170 | select 6xx |
| 171 | select FSL_SOC |
| 172 | select 83xx |
| 173 | select PPC_FPU |
Scott Wood | 270429b | 2007-04-17 09:24:51 +1000 | [diff] [blame] | 174 | select WANT_DEVICE_TREE |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 175 | |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 176 | config PPC_85xx |
| 177 | bool "Freescale 85xx" |
| 178 | select E500 |
| 179 | select FSL_SOC |
| 180 | select 85xx |
Scott Wood | 4536b93 | 2007-04-27 03:09:01 +1000 | [diff] [blame] | 181 | select WANT_DEVICE_TREE |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 182 | |
Jon Loeliger | c9b484b | 2006-06-17 17:52:35 -0500 | [diff] [blame] | 183 | config PPC_86xx |
| 184 | bool "Freescale 86xx" |
| 185 | select 6xx |
| 186 | select FSL_SOC |
Jon Loeliger | 3e4e97f | 2007-03-07 14:48:45 -0600 | [diff] [blame] | 187 | select FSL_PCIE |
Jon Loeliger | c9b484b | 2006-06-17 17:52:35 -0500 | [diff] [blame] | 188 | select PPC_FPU |
| 189 | select ALTIVEC |
| 190 | help |
| 191 | The Freescale E600 SoCs have 74xx cores. |
| 192 | |
Vitaly Bordug | 5902ebc | 2007-01-24 22:41:06 +0300 | [diff] [blame] | 193 | config PPC_8xx |
| 194 | bool "Freescale 8xx" |
| 195 | select FSL_SOC |
| 196 | select 8xx |
| 197 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 198 | config 40x |
| 199 | bool "AMCC 40x" |
Benjamin Herrenschmidt | 4c75a6f | 2006-11-11 17:24:53 +1100 | [diff] [blame] | 200 | select PPC_DCR_NATIVE |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 201 | |
| 202 | config 44x |
| 203 | bool "AMCC 44x" |
Benjamin Herrenschmidt | 4c75a6f | 2006-11-11 17:24:53 +1100 | [diff] [blame] | 204 | select PPC_DCR_NATIVE |
David Gibson | f6dfc80 | 2007-05-08 14:10:01 +1000 | [diff] [blame] | 205 | select WANT_DEVICE_TREE |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 206 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 207 | config E200 |
| 208 | bool "Freescale e200" |
| 209 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 210 | endchoice |
| 211 | |
| 212 | config POWER4_ONLY |
| 213 | bool "Optimize for POWER4" |
Paul Mackerras | 187a006 | 2005-10-06 12:49:05 +1000 | [diff] [blame] | 214 | depends on PPC64 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 215 | default n |
| 216 | ---help--- |
| 217 | Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. |
| 218 | The resulting binary will not work on POWER3 or RS64 processors |
| 219 | when compiled with binutils 2.15 or later. |
| 220 | |
| 221 | config POWER3 |
| 222 | bool |
Paul Mackerras | 187a006 | 2005-10-06 12:49:05 +1000 | [diff] [blame] | 223 | depends on PPC64 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 224 | default y if !POWER4_ONLY |
| 225 | |
| 226 | config POWER4 |
Paul Mackerras | 187a006 | 2005-10-06 12:49:05 +1000 | [diff] [blame] | 227 | depends on PPC64 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 228 | def_bool y |
| 229 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 230 | config 6xx |
| 231 | bool |
| 232 | |
| 233 | # this is temp to handle compat with arch=ppc |
Vitaly Bordug | 5902ebc | 2007-01-24 22:41:06 +0300 | [diff] [blame] | 234 | config 8xx |
| 235 | bool |
| 236 | |
| 237 | # this is temp to handle compat with arch=ppc |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 238 | config 83xx |
| 239 | bool |
| 240 | |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 241 | # this is temp to handle compat with arch=ppc |
| 242 | config 85xx |
| 243 | bool |
| 244 | |
| 245 | config E500 |
| 246 | bool |
| 247 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 248 | config PPC_FPU |
Paul Mackerras | 187a006 | 2005-10-06 12:49:05 +1000 | [diff] [blame] | 249 | bool |
| 250 | default y if PPC64 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 251 | |
Benjamin Herrenschmidt | 4c75a6f | 2006-11-11 17:24:53 +1100 | [diff] [blame] | 252 | config PPC_DCR_NATIVE |
| 253 | bool |
| 254 | default n |
| 255 | |
| 256 | config PPC_DCR_MMIO |
| 257 | bool |
| 258 | default n |
| 259 | |
| 260 | config PPC_DCR |
| 261 | bool |
| 262 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO |
| 263 | default y |
| 264 | |
Benjamin Herrenschmidt | 4c9d280 | 2006-11-11 17:25:08 +1100 | [diff] [blame] | 265 | config PPC_OF_PLATFORM_PCI |
| 266 | bool |
| 267 | depends on PPC64 # not supported on 32 bits yet |
| 268 | default n |
| 269 | |
David Gibson | f6dfc80 | 2007-05-08 14:10:01 +1000 | [diff] [blame] | 270 | config 4xx |
| 271 | bool |
| 272 | depends on 40x || 44x |
| 273 | default y |
| 274 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 275 | config BOOKE |
| 276 | bool |
David Gibson | f6dfc80 | 2007-05-08 14:10:01 +1000 | [diff] [blame] | 277 | depends on E200 || E500 || 44x |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 278 | default y |
| 279 | |
| 280 | config FSL_BOOKE |
| 281 | bool |
| 282 | depends on E200 || E500 |
| 283 | default y |
| 284 | |
| 285 | config PTE_64BIT |
| 286 | bool |
| 287 | depends on 44x || E500 |
| 288 | default y if 44x |
| 289 | default y if E500 && PHYS_64BIT |
| 290 | |
| 291 | config PHYS_64BIT |
| 292 | bool 'Large physical address support' if E500 |
| 293 | depends on 44x || E500 |
Benjamin Herrenschmidt | 3d1ea8e | 2006-11-11 17:25:19 +1100 | [diff] [blame] | 294 | select RESOURCES_64BIT |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 295 | default y if 44x |
| 296 | ---help--- |
| 297 | This option enables kernel support for larger than 32-bit physical |
| 298 | addresses. This features is not be available on all e500 cores. |
| 299 | |
| 300 | If in doubt, say N here. |
| 301 | |
| 302 | config ALTIVEC |
| 303 | bool "AltiVec Support" |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 304 | depends on CLASSIC32 || POWER4 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 305 | ---help--- |
| 306 | This option enables kernel support for the Altivec extensions to the |
| 307 | PowerPC processor. The kernel currently supports saving and restoring |
| 308 | altivec registers, and turning on the 'altivec enable' bit so user |
| 309 | processes can execute altivec instructions. |
| 310 | |
| 311 | This option is only usefully if you have a processor that supports |
| 312 | altivec (G4, otherwise known as 74xx series), but does not have |
| 313 | any affect on a non-altivec cpu (it does, however add code to the |
| 314 | kernel). |
| 315 | |
| 316 | If in doubt, say Y here. |
| 317 | |
| 318 | config SPE |
| 319 | bool "SPE Support" |
| 320 | depends on E200 || E500 |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 321 | default y |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 322 | ---help--- |
| 323 | This option enables kernel support for the Signal Processing |
| 324 | Extensions (SPE) to the PowerPC processor. The kernel currently |
| 325 | supports saving and restoring SPE registers, and turning on the |
| 326 | 'spe enable' bit so user processes can execute SPE instructions. |
| 327 | |
| 328 | This option is only useful if you have a processor that supports |
| 329 | SPE (e500, otherwise known as 85xx series), but does not have any |
| 330 | effect on a non-spe cpu (it does, however add code to the kernel). |
| 331 | |
| 332 | If in doubt, say Y here. |
| 333 | |
| 334 | config PPC_STD_MMU |
| 335 | bool |
| 336 | depends on 6xx || POWER3 || POWER4 || PPC64 |
| 337 | default y |
| 338 | |
| 339 | config PPC_STD_MMU_32 |
| 340 | def_bool y |
| 341 | depends on PPC_STD_MMU && PPC32 |
| 342 | |
Benjamin Herrenschmidt | d0f13e3 | 2007-05-08 16:27:27 +1000 | [diff] [blame] | 343 | config PPC_MM_SLICES |
| 344 | bool |
| 345 | default y if HUGETLB_PAGE |
| 346 | default n |
| 347 | |
Paul Mackerras | c6622f6 | 2006-02-24 10:06:59 +1100 | [diff] [blame] | 348 | config VIRT_CPU_ACCOUNTING |
| 349 | bool "Deterministic task and CPU time accounting" |
| 350 | depends on PPC64 |
| 351 | default y |
| 352 | help |
| 353 | Select this option to enable more accurate task and CPU time |
| 354 | accounting. This is done by reading a CPU counter on each |
| 355 | kernel entry and exit and on transitions within the kernel |
| 356 | between system, softirq and hardirq state, so there is a |
| 357 | small performance impact. This also enables accounting of |
| 358 | stolen time on logically-partitioned systems running on |
| 359 | IBM POWER5-based machines. |
| 360 | |
| 361 | If in doubt, say Y here. |
| 362 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 363 | config SMP |
| 364 | depends on PPC_STD_MMU |
| 365 | bool "Symmetric multi-processing support" |
| 366 | ---help--- |
| 367 | This enables support for systems with more than one CPU. If you have |
| 368 | a system with only one CPU, say N. If you have a system with more |
| 369 | than one CPU, say Y. Note that the kernel does not currently |
| 370 | support SMP machines with 603/603e/603ev or PPC750 ("G3") processors |
| 371 | since they have inadequate hardware support for multiprocessor |
| 372 | operation. |
| 373 | |
| 374 | If you say N here, the kernel will run on single and multiprocessor |
| 375 | machines, but will use only one CPU of a multiprocessor machine. If |
| 376 | you say Y here, the kernel will run on single-processor machines. |
| 377 | On a single-processor machine, the kernel will run faster if you say |
| 378 | N here. |
| 379 | |
| 380 | If you don't know what to do here, say N. |
| 381 | |
| 382 | config NR_CPUS |
Olaf Hering | e8a167a | 2005-12-01 21:10:10 +0100 | [diff] [blame] | 383 | int "Maximum number of CPUs (2-128)" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 384 | range 2 128 |
| 385 | depends on SMP |
| 386 | default "32" if PPC64 |
| 387 | default "4" |
| 388 | |
| 389 | config NOT_COHERENT_CACHE |
| 390 | bool |
| 391 | depends on 4xx || 8xx || E200 |
| 392 | default y |
Dale Farnsworth | 06cce43 | 2007-05-12 10:57:35 +1000 | [diff] [blame] | 393 | |
| 394 | config CONFIG_CHECK_CACHE_COHERENCY |
| 395 | bool |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 396 | endmenu |
| 397 | |
| 398 | source "init/Kconfig" |
| 399 | |
Kumar Gala | 4330f5d | 2007-03-16 09:32:17 -0500 | [diff] [blame] | 400 | source "arch/powerpc/platforms/Kconfig" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 401 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 402 | menu "Kernel options" |
| 403 | |
| 404 | config HIGHMEM |
| 405 | bool "High memory support" |
| 406 | depends on PPC32 |
| 407 | |
| 408 | source kernel/Kconfig.hz |
| 409 | source kernel/Kconfig.preempt |
| 410 | source "fs/Kconfig.binfmt" |
| 411 | |
| 412 | # We optimistically allocate largepages from the VM, so make the limit |
| 413 | # large enough (16MB). This badly named config option is actually |
| 414 | # max order + 1 |
| 415 | config FORCE_MAX_ZONEORDER |
| 416 | int |
| 417 | depends on PPC64 |
Mike Kravetz | 0286486 | 2005-11-07 13:48:59 -0800 | [diff] [blame] | 418 | default "9" if PPC_64K_PAGES |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 419 | default "13" |
| 420 | |
| 421 | config MATH_EMULATION |
| 422 | bool "Math emulation" |
Kumar Gala | 4d52719 | 2007-01-26 00:23:34 -0600 | [diff] [blame] | 423 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 424 | ---help--- |
| 425 | Some PowerPC chips designed for embedded applications do not have |
| 426 | a floating-point unit and therefore do not implement the |
| 427 | floating-point instructions in the PowerPC instruction set. If you |
| 428 | say Y here, the kernel will include code to emulate a floating-point |
| 429 | unit, which will allow programs that use floating-point |
| 430 | instructions to run. |
| 431 | |
| 432 | config IOMMU_VMERGE |
| 433 | bool "Enable IOMMU virtual merging (EXPERIMENTAL)" |
| 434 | depends on EXPERIMENTAL && PPC64 |
| 435 | default n |
| 436 | help |
| 437 | Cause IO segments sent to a device for DMA to be merged virtually |
| 438 | by the IOMMU when they happen to have been allocated contiguously. |
| 439 | This doesn't add pressure to the IOMMU allocator. However, some |
| 440 | drivers don't support getting large merged segments coming back |
| 441 | from *_map_sg(). Say Y if you know the drivers you are using are |
| 442 | properly handling this case. |
| 443 | |
| 444 | config HOTPLUG_CPU |
| 445 | bool "Support for enabling/disabling CPUs" |
| 446 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) |
| 447 | ---help--- |
| 448 | Say Y here to be able to disable and re-enable individual |
| 449 | CPUs at runtime on SMP machines. |
| 450 | |
| 451 | Say N if you are unsure. |
| 452 | |
Yasunori Goto | cc57637 | 2006-06-29 02:24:27 -0700 | [diff] [blame] | 453 | config ARCH_ENABLE_MEMORY_HOTPLUG |
| 454 | def_bool y |
| 455 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 456 | config KEXEC |
| 457 | bool "kexec system call (EXPERIMENTAL)" |
Dale Farnsworth | fd4ba7e | 2007-05-12 10:58:43 +1000 | [diff] [blame] | 458 | depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 459 | help |
| 460 | kexec is a system call that implements the ability to shutdown your |
| 461 | current kernel, and to start another kernel. It is like a reboot |
Matt LaPlante | 1f1332f | 2006-06-29 01:32:47 -0400 | [diff] [blame] | 462 | but it is independent of the system firmware. And like a reboot |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 463 | you can start any kernel with it, not just Linux. |
| 464 | |
Matt LaPlante | 1f1332f | 2006-06-29 01:32:47 -0400 | [diff] [blame] | 465 | The name comes from the similarity to the exec system call. |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 466 | |
| 467 | It is an ongoing process to be certain the hardware in a machine |
| 468 | is properly shutdown, so do not be surprised if this code does not |
| 469 | initially work for you. It may help to enable device hotplugging |
| 470 | support. As of this writing the exact hardware interface is |
| 471 | strongly in flux, so no good recommendation can be made. |
| 472 | |
Haren Myneni | e8625d46 | 2006-01-14 13:48:25 -0800 | [diff] [blame] | 473 | config CRASH_DUMP |
Michael Ellerman | cd9c99d | 2006-03-10 15:01:08 +1100 | [diff] [blame] | 474 | bool "Build a kdump crash kernel (EXPERIMENTAL)" |
Haren Myneni | e8625d46 | 2006-01-14 13:48:25 -0800 | [diff] [blame] | 475 | depends on PPC_MULTIPLATFORM && PPC64 && EXPERIMENTAL |
| 476 | help |
| 477 | Build a kernel suitable for use as a kdump capture kernel. |
| 478 | The kernel will be linked at a different address than normal, and |
| 479 | so can only be used for Kdump. |
| 480 | |
| 481 | Don't change this unless you know what you are doing. |
| 482 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 483 | config PPCBUG_NVRAM |
| 484 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC |
| 485 | default y if PPC_PREP |
| 486 | |
| 487 | config IRQ_ALL_CPUS |
| 488 | bool "Distribute interrupts on all CPUs by default" |
| 489 | depends on SMP && !MV64360 |
| 490 | help |
| 491 | This option gives the kernel permission to distribute IRQs across |
| 492 | multiple CPUs. Saying N here will route all IRQs to the first |
| 493 | CPU. Generally saying Y is safe, although some problems have been |
| 494 | reported with SMP Power Macintoshes with this option enabled. |
| 495 | |
Andy Whitcroft | ffa27b6 | 2005-10-28 17:46:58 -0700 | [diff] [blame] | 496 | config NUMA |
| 497 | bool "NUMA support" |
| 498 | depends on PPC64 |
| 499 | default y if SMP && PPC_PSERIES |
| 500 | |
Yasunori Goto | c80d79d | 2006-04-10 22:53:53 -0700 | [diff] [blame] | 501 | config NODES_SHIFT |
| 502 | int |
| 503 | default "4" |
| 504 | depends on NEED_MULTIPLE_NODES |
| 505 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 506 | config ARCH_SELECT_MEMORY_MODEL |
| 507 | def_bool y |
| 508 | depends on PPC64 |
| 509 | |
| 510 | config ARCH_FLATMEM_ENABLE |
Andy Whitcroft | 9100b20 | 2005-11-29 19:20:55 +0000 | [diff] [blame] | 511 | def_bool y |
| 512 | depends on (PPC64 && !NUMA) || PPC32 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 513 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 514 | config ARCH_SPARSEMEM_ENABLE |
| 515 | def_bool y |
Andy Whitcroft | 9100b20 | 2005-11-29 19:20:55 +0000 | [diff] [blame] | 516 | depends on PPC64 |
Anton Blanchard | 45fb6ce | 2005-11-11 14:22:35 +1100 | [diff] [blame] | 517 | |
| 518 | config ARCH_SPARSEMEM_DEFAULT |
| 519 | def_bool y |
Benjamin Herrenschmidt | 78bde53 | 2007-02-13 11:46:06 +1100 | [diff] [blame] | 520 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 521 | |
Mel Gorman | c67c3cb | 2006-09-27 01:49:49 -0700 | [diff] [blame] | 522 | config ARCH_POPULATES_NODE_MAP |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 523 | def_bool y |
Mel Gorman | c67c3cb | 2006-09-27 01:49:49 -0700 | [diff] [blame] | 524 | |
| 525 | source "mm/Kconfig" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 526 | |
Mike Kravetz | 7e9191d | 2005-11-07 09:39:48 -0800 | [diff] [blame] | 527 | config ARCH_MEMORY_PROBE |
| 528 | def_bool y |
| 529 | depends on MEMORY_HOTPLUG |
| 530 | |
Andy Whitcroft | 7516795 | 2006-10-21 10:24:14 -0700 | [diff] [blame] | 531 | # Some NUMA nodes have memory ranges that span |
| 532 | # other nodes. Even though a pfn is valid and |
| 533 | # between a node's start and end pfns, it may not |
| 534 | # reside on that node. See memmap_init_zone() |
| 535 | # for details. |
| 536 | config NODES_SPAN_OTHER_NODES |
| 537 | def_bool y |
| 538 | depends on NEED_MULTIPLE_NODES |
| 539 | |
Benjamin Herrenschmidt | 16c2d47 | 2007-05-08 16:27:28 +1000 | [diff] [blame] | 540 | config PPC_HAS_HASH_64K |
| 541 | bool |
| 542 | depends on PPC64 |
| 543 | default n |
| 544 | |
Benjamin Herrenschmidt | 3c726f8 | 2005-11-07 11:06:55 +1100 | [diff] [blame] | 545 | config PPC_64K_PAGES |
| 546 | bool "64k page size" |
Benjamin Herrenschmidt | 863c84b | 2005-11-07 00:57:58 -0800 | [diff] [blame] | 547 | depends on PPC64 |
Benjamin Herrenschmidt | 16c2d47 | 2007-05-08 16:27:28 +1000 | [diff] [blame] | 548 | select PPC_HAS_HASH_64K |
Benjamin Herrenschmidt | 3c726f8 | 2005-11-07 11:06:55 +1100 | [diff] [blame] | 549 | help |
| 550 | This option changes the kernel logical page size to 64k. On machines |
Kumar Gala | 9875026 | 2007-04-12 18:01:34 -0500 | [diff] [blame] | 551 | without processor support for 64k pages, the kernel will simulate |
| 552 | them by loading each individual 4k page on demand transparently, |
| 553 | while on hardware with such support, it will be used to map |
| 554 | normal application pages. |
Benjamin Herrenschmidt | 3c726f8 | 2005-11-07 11:06:55 +1100 | [diff] [blame] | 555 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 556 | config SCHED_SMT |
| 557 | bool "SMT (Hyperthreading) scheduler support" |
| 558 | depends on PPC64 && SMP |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 559 | help |
| 560 | SMT scheduler support improves the CPU scheduler's decision making |
| 561 | when dealing with POWER5 cpus at a cost of slightly increased |
| 562 | overhead in some places. If unsure say N here. |
| 563 | |
| 564 | config PROC_DEVICETREE |
Paul Mackerras | 5f29675 | 2005-10-17 20:14:59 +1000 | [diff] [blame] | 565 | bool "Support for device tree in /proc" |
| 566 | depends on PROC_FS |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 567 | help |
| 568 | This option adds a device-tree directory under /proc which contains |
| 569 | an image of the device tree that the kernel copies from Open |
Paul Mackerras | 5f29675 | 2005-10-17 20:14:59 +1000 | [diff] [blame] | 570 | Firmware or other boot firmware. If unsure, say Y here. |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 571 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 572 | config CMDLINE_BOOL |
| 573 | bool "Default bootloader kernel arguments" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 574 | |
| 575 | config CMDLINE |
| 576 | string "Initial kernel command string" |
| 577 | depends on CMDLINE_BOOL |
| 578 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" |
| 579 | help |
| 580 | On some platforms, there is currently no way for the boot loader to |
| 581 | pass arguments to the kernel. For these platforms, you can supply |
| 582 | some command-line options at build time by entering them here. In |
| 583 | most cases you will need to specify the root device here. |
| 584 | |
| 585 | if !44x || BROKEN |
| 586 | source kernel/power/Kconfig |
| 587 | endif |
| 588 | |
| 589 | config SECCOMP |
| 590 | bool "Enable seccomp to safely compute untrusted bytecode" |
| 591 | depends on PROC_FS |
| 592 | default y |
| 593 | help |
| 594 | This kernel feature is useful for number crunching applications |
| 595 | that may need to compute untrusted bytecode during their |
| 596 | execution. By using pipes or other transports made available to |
| 597 | the process as file descriptors supporting the read/write |
| 598 | syscalls, it's possible to isolate those applications in |
| 599 | their own address space using seccomp. Once seccomp is |
| 600 | enabled via /proc/<pid>/seccomp, it cannot be disabled |
| 601 | and the task is only allowed to execute a few safe syscalls |
| 602 | defined by each seccomp mode. |
| 603 | |
| 604 | If unsure, say Y. Only embedded should say N here. |
| 605 | |
Scott Wood | 270429b | 2007-04-17 09:24:51 +1000 | [diff] [blame] | 606 | config WANT_DEVICE_TREE |
| 607 | bool |
| 608 | default n |
| 609 | |
| 610 | config DEVICE_TREE |
| 611 | string "Static device tree source file" |
| 612 | depends on WANT_DEVICE_TREE |
| 613 | help |
| 614 | This specifies the device tree source (.dts) file to be |
| 615 | compiled and included when building the bootwrapper. If a |
| 616 | relative filename is given, then it will be relative to |
| 617 | arch/powerpc/boot/dts. If you are not using the bootwrapper, |
| 618 | or do not need to build a dts into the bootwrapper, this |
| 619 | field is ignored. |
| 620 | |
| 621 | For example, this is required when building a cuImage target |
| 622 | for an older U-Boot, which cannot pass a device tree itself. |
| 623 | Such a kernel will not work with a newer U-Boot that tries to |
| 624 | pass a device tree (unless you tell it not to). If your U-Boot |
| 625 | does not mention a device tree in "help bootm", then use the |
| 626 | cuImage target and specify a device tree here. Otherwise, use |
| 627 | the uImage target and leave this field blank. |
| 628 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 629 | endmenu |
| 630 | |
| 631 | config ISA_DMA_API |
| 632 | bool |
| 633 | default y |
| 634 | |
| 635 | menu "Bus options" |
| 636 | |
| 637 | config ISA |
| 638 | bool "Support for ISA-bus hardware" |
| 639 | depends on PPC_PREP || PPC_CHRP |
Paul Mackerras | f9bd170 | 2005-10-26 16:47:42 +1000 | [diff] [blame] | 640 | select PPC_I8259 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 641 | help |
| 642 | Find out whether you have ISA slots on your motherboard. ISA is the |
| 643 | name of a bus system, i.e. the way the CPU talks to the other stuff |
| 644 | inside your box. If you have an Apple machine, say N here; if you |
| 645 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If |
| 646 | you have an embedded board, consult your board documentation. |
| 647 | |
Christoph Lameter | 5ac6da6 | 2007-02-10 01:43:14 -0800 | [diff] [blame] | 648 | config ZONE_DMA |
| 649 | bool |
| 650 | default y |
| 651 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 652 | config GENERIC_ISA_DMA |
| 653 | bool |
| 654 | depends on PPC64 || POWER4 || 6xx && !CPM2 |
| 655 | default y |
| 656 | |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 657 | config PPC_INDIRECT_PCI |
| 658 | bool |
| 659 | depends on PCI |
Becky Bruce | 63dafe5 | 2006-01-14 16:57:39 -0600 | [diff] [blame] | 660 | default y if 40x || 44x |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 661 | default n |
| 662 | |
Kumar Gala | 4a89f7f | 2007-04-12 15:41:26 -0500 | [diff] [blame] | 663 | config PPC_INDIRECT_PCI_BE |
| 664 | bool |
| 665 | depends PPC_INDIRECT_PCI |
| 666 | default n |
| 667 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 668 | config EISA |
| 669 | bool |
| 670 | |
| 671 | config SBUS |
| 672 | bool |
| 673 | |
Kumar Gala | 08264cb | 2006-01-10 21:43:56 -0600 | [diff] [blame] | 674 | config FSL_SOC |
| 675 | bool |
| 676 | |
Jon Loeliger | 3e4e97f | 2007-03-07 14:48:45 -0600 | [diff] [blame] | 677 | config FSL_PCIE |
| 678 | bool |
| 679 | depends on PPC_86xx |
| 680 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 681 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
| 682 | config MCA |
| 683 | bool |
| 684 | |
| 685 | config PCI |
Jon Loeliger | 5315862 | 2006-08-09 10:37:28 -0500 | [diff] [blame] | 686 | bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ |
Stephen Rothwell | bed5927 | 2007-03-04 17:04:44 +1100 | [diff] [blame] | 687 | || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ |
Josh Boyer | cb9e4d1 | 2007-05-08 07:28:38 +1000 | [diff] [blame] | 688 | || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY |
Jon Loeliger | 5315862 | 2006-08-09 10:37:28 -0500 | [diff] [blame] | 689 | default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \ |
| 690 | && !PPC_85xx && !PPC_86xx |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 691 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS |
| 692 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
Michael Ellerman | df87ef5 | 2007-05-08 12:58:34 +1000 | [diff] [blame] | 693 | select ARCH_SUPPORTS_MSI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 694 | help |
| 695 | Find out whether your system includes a PCI bus. PCI is the name of |
| 696 | a bus system, i.e. the way the CPU talks to the other stuff inside |
| 697 | your box. If you say Y here, the kernel will include drivers and |
| 698 | infrastructure code to support PCI bus devices. |
| 699 | |
| 700 | config PCI_DOMAINS |
| 701 | bool |
| 702 | default PCI |
| 703 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 704 | config PCI_QSPAN |
| 705 | bool "QSpan PCI" |
| 706 | depends on !4xx && !CPM2 && 8xx |
Paul Mackerras | f9bd170 | 2005-10-26 16:47:42 +1000 | [diff] [blame] | 707 | select PPC_I8259 |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 708 | help |
| 709 | Say Y here if you have a system based on a Motorola 8xx-series |
| 710 | embedded processor with a QSPAN PCI interface, otherwise say N. |
| 711 | |
| 712 | config PCI_8260 |
| 713 | bool |
| 714 | depends on PCI && 8260 |
Paul Mackerras | 25635c7 | 2005-10-26 16:36:55 +1000 | [diff] [blame] | 715 | select PPC_INDIRECT_PCI |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 716 | default y |
| 717 | |
| 718 | config 8260_PCI9 |
Andrew Morton | 4a3ecc6 | 2006-06-01 20:36:04 -0700 | [diff] [blame] | 719 | bool "Enable workaround for MPC826x erratum PCI 9" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 720 | depends on PCI_8260 && !ADS8272 |
| 721 | default y |
| 722 | |
| 723 | choice |
Andrew Morton | 4a3ecc6 | 2006-06-01 20:36:04 -0700 | [diff] [blame] | 724 | prompt "IDMA channel for PCI 9 workaround" |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 725 | depends on 8260_PCI9 |
| 726 | |
| 727 | config 8260_PCI9_IDMA1 |
| 728 | bool "IDMA1" |
| 729 | |
| 730 | config 8260_PCI9_IDMA2 |
| 731 | bool "IDMA2" |
| 732 | |
| 733 | config 8260_PCI9_IDMA3 |
| 734 | bool "IDMA3" |
| 735 | |
| 736 | config 8260_PCI9_IDMA4 |
| 737 | bool "IDMA4" |
| 738 | |
| 739 | endchoice |
| 740 | |
Jake Moilanen | bb53bb3 | 2006-06-07 16:05:46 -0500 | [diff] [blame] | 741 | source "drivers/pci/pcie/Kconfig" |
| 742 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 743 | source "drivers/pci/Kconfig" |
| 744 | |
| 745 | source "drivers/pcmcia/Kconfig" |
| 746 | |
| 747 | source "drivers/pci/hotplug/Kconfig" |
| 748 | |
| 749 | endmenu |
| 750 | |
| 751 | menu "Advanced setup" |
| 752 | depends on PPC32 |
| 753 | |
| 754 | config ADVANCED_OPTIONS |
| 755 | bool "Prompt for advanced kernel configuration options" |
| 756 | help |
| 757 | This option will enable prompting for a variety of advanced kernel |
| 758 | configuration options. These options can cause the kernel to not |
| 759 | work if they are set incorrectly, but can be used to optimize certain |
| 760 | aspects of kernel memory management. |
| 761 | |
| 762 | Unless you know what you are doing, say N here. |
| 763 | |
| 764 | comment "Default settings for advanced configuration options are used" |
| 765 | depends on !ADVANCED_OPTIONS |
| 766 | |
| 767 | config HIGHMEM_START_BOOL |
| 768 | bool "Set high memory pool address" |
| 769 | depends on ADVANCED_OPTIONS && HIGHMEM |
| 770 | help |
| 771 | This option allows you to set the base address of the kernel virtual |
| 772 | area used to map high memory pages. This can be useful in |
| 773 | optimizing the layout of kernel virtual memory. |
| 774 | |
| 775 | Say N here unless you know what you are doing. |
| 776 | |
| 777 | config HIGHMEM_START |
| 778 | hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL |
| 779 | default "0xfe000000" |
| 780 | |
| 781 | config LOWMEM_SIZE_BOOL |
| 782 | bool "Set maximum low memory" |
| 783 | depends on ADVANCED_OPTIONS |
| 784 | help |
| 785 | This option allows you to set the maximum amount of memory which |
| 786 | will be used as "low memory", that is, memory which the kernel can |
| 787 | access directly, without having to set up a kernel virtual mapping. |
| 788 | This can be useful in optimizing the layout of kernel virtual |
| 789 | memory. |
| 790 | |
| 791 | Say N here unless you know what you are doing. |
| 792 | |
| 793 | config LOWMEM_SIZE |
| 794 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL |
| 795 | default "0x30000000" |
| 796 | |
| 797 | config KERNEL_START_BOOL |
| 798 | bool "Set custom kernel base address" |
| 799 | depends on ADVANCED_OPTIONS |
| 800 | help |
| 801 | This option allows you to set the kernel virtual address at which |
| 802 | the kernel will map low memory (the kernel image will be linked at |
| 803 | this address). This can be useful in optimizing the virtual memory |
| 804 | layout of the system. |
| 805 | |
| 806 | Say N here unless you know what you are doing. |
| 807 | |
| 808 | config KERNEL_START |
| 809 | hex "Virtual address of kernel base" if KERNEL_START_BOOL |
| 810 | default "0xc0000000" |
| 811 | |
| 812 | config TASK_SIZE_BOOL |
| 813 | bool "Set custom user task size" |
| 814 | depends on ADVANCED_OPTIONS |
| 815 | help |
| 816 | This option allows you to set the amount of virtual address space |
| 817 | allocated to user tasks. This can be useful in optimizing the |
| 818 | virtual memory layout of the system. |
| 819 | |
| 820 | Say N here unless you know what you are doing. |
| 821 | |
| 822 | config TASK_SIZE |
| 823 | hex "Size of user task space" if TASK_SIZE_BOOL |
| 824 | default "0x80000000" |
| 825 | |
| 826 | config CONSISTENT_START_BOOL |
| 827 | bool "Set custom consistent memory pool address" |
| 828 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE |
| 829 | help |
| 830 | This option allows you to set the base virtual address |
Matt LaPlante | 4b3f686 | 2006-10-03 22:21:02 +0200 | [diff] [blame] | 831 | of the consistent memory pool. This pool of virtual |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 832 | memory is used to make consistent memory allocations. |
| 833 | |
| 834 | config CONSISTENT_START |
| 835 | hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL |
| 836 | default "0xff100000" if NOT_COHERENT_CACHE |
| 837 | |
| 838 | config CONSISTENT_SIZE_BOOL |
| 839 | bool "Set custom consistent memory pool size" |
| 840 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE |
| 841 | help |
Matt LaPlante | 4b3f686 | 2006-10-03 22:21:02 +0200 | [diff] [blame] | 842 | This option allows you to set the size of the |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 843 | consistent memory pool. This pool of virtual memory |
| 844 | is used to make consistent memory allocations. |
| 845 | |
| 846 | config CONSISTENT_SIZE |
| 847 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL |
| 848 | default "0x00200000" if NOT_COHERENT_CACHE |
| 849 | |
| 850 | config BOOT_LOAD_BOOL |
| 851 | bool "Set the boot link/load address" |
| 852 | depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM |
| 853 | help |
| 854 | This option allows you to set the initial load address of the zImage |
| 855 | or zImage.initrd file. This can be useful if you are on a board |
| 856 | which has a small amount of memory. |
| 857 | |
| 858 | Say N here unless you know what you are doing. |
| 859 | |
| 860 | config BOOT_LOAD |
| 861 | hex "Link/load address for booting" if BOOT_LOAD_BOOL |
| 862 | default "0x00400000" if 40x || 8xx || 8260 |
| 863 | default "0x01000000" if 44x |
| 864 | default "0x00800000" |
| 865 | |
| 866 | config PIN_TLB |
| 867 | bool "Pinned Kernel TLBs (860 ONLY)" |
| 868 | depends on ADVANCED_OPTIONS && 8xx |
| 869 | endmenu |
| 870 | |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 871 | if PPC64 |
| 872 | config KERNEL_START |
| 873 | hex |
Stephen Rothwell | eeb2d21 | 2005-09-30 17:24:15 +1000 | [diff] [blame] | 874 | default "0xc000000000000000" |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 875 | endif |
| 876 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 877 | source "net/Kconfig" |
| 878 | |
| 879 | source "drivers/Kconfig" |
| 880 | |
| 881 | source "fs/Kconfig" |
| 882 | |
| 883 | # XXX source "arch/ppc/8xx_io/Kconfig" |
| 884 | |
| 885 | # XXX source "arch/ppc/8260_io/Kconfig" |
| 886 | |
Li Yang | 9865853 | 2006-10-03 23:10:46 -0500 | [diff] [blame] | 887 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
| 888 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 889 | source "lib/Kconfig" |
| 890 | |
Prasanna S Panchamukhi | cd6b076 | 2005-11-07 00:59:14 -0800 | [diff] [blame] | 891 | menu "Instrumentation Support" |
Kumar Gala | 9875026 | 2007-04-12 18:01:34 -0500 | [diff] [blame] | 892 | depends on EXPERIMENTAL |
Prasanna S Panchamukhi | cd6b076 | 2005-11-07 00:59:14 -0800 | [diff] [blame] | 893 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 894 | source "arch/powerpc/oprofile/Kconfig" |
| 895 | |
Prasanna S Panchamukhi | cd6b076 | 2005-11-07 00:59:14 -0800 | [diff] [blame] | 896 | config KPROBES |
| 897 | bool "Kprobes (EXPERIMENTAL)" |
Kumar Gala | 8209003 | 2007-02-06 22:55:19 -0600 | [diff] [blame] | 898 | depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES |
Prasanna S Panchamukhi | cd6b076 | 2005-11-07 00:59:14 -0800 | [diff] [blame] | 899 | help |
| 900 | Kprobes allows you to trap at almost any kernel address and |
| 901 | execute a callback function. register_kprobe() establishes |
| 902 | a probepoint and specifies the callback. Kprobes is useful |
| 903 | for kernel debugging, non-intrusive instrumentation and testing. |
| 904 | If in doubt, say "N". |
| 905 | endmenu |
| 906 | |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 907 | source "arch/powerpc/Kconfig.debug" |
| 908 | |
| 909 | source "security/Kconfig" |
| 910 | |
| 911 | config KEYS_COMPAT |
| 912 | bool |
| 913 | depends on COMPAT && KEYS |
| 914 | default y |
| 915 | |
| 916 | source "crypto/Kconfig" |