Commit | Line | Data |
---|---|---|
14cf11af PM |
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 | ||
a0ae9c7c | 7 | source "arch/powerpc/platforms/Kconfig.cputype" |
17e638bc | 8 | |
14cf11af PM |
9 | config PPC32 |
10 | bool | |
11 | default y if !PPC64 | |
12 | ||
13 | config 64BIT | |
14 | bool | |
15 | default y if PPC64 | |
16 | ||
2578bfae SR |
17 | config WORD_SIZE |
18 | int | |
19 | default 64 if PPC64 | |
20 | default 32 if !PPC64 | |
21 | ||
14cf11af PM |
22 | config PPC_MERGE |
23 | def_bool y | |
24 | ||
25 | config MMU | |
26 | bool | |
27 | default y | |
28 | ||
aa3be5f3 TB |
29 | config GENERIC_CMOS_UPDATE |
30 | def_bool y | |
31 | ||
4a4cfe38 TB |
32 | config GENERIC_TIME |
33 | def_bool y | |
34 | ||
35 | config GENERIC_TIME_VSYSCALL | |
36 | def_bool y | |
37 | ||
d831d0b8 TB |
38 | config GENERIC_CLOCKEVENTS |
39 | def_bool y | |
40 | ||
14cf11af PM |
41 | config GENERIC_HARDIRQS |
42 | bool | |
43 | default y | |
44 | ||
988c388a | 45 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 46 | def_bool PPC64 |
47 | ||
0d7012a9 IM |
48 | config IRQ_PER_CPU |
49 | bool | |
50 | default y | |
51 | ||
fd3e0bbc CH |
52 | config STACKTRACE_SUPPORT |
53 | bool | |
54 | default y | |
55 | ||
01f4b8b8 AB |
56 | config HAVE_LATENCYTOP_SUPPORT |
57 | def_bool y | |
58 | ||
945feb17 BH |
59 | config TRACE_IRQFLAGS_SUPPORT |
60 | bool | |
61 | depends on PPC64 | |
62 | default y | |
63 | ||
64 | config LOCKDEP_SUPPORT | |
65 | bool | |
66 | default y | |
67 | ||
14cf11af PM |
68 | config RWSEM_GENERIC_SPINLOCK |
69 | bool | |
70 | ||
71 | config RWSEM_XCHGADD_ALGORITHM | |
72 | bool | |
73 | default y | |
74 | ||
95c354fe NP |
75 | config GENERIC_LOCKBREAK |
76 | bool | |
77 | default y | |
78 | depends on SMP && PREEMPT | |
79 | ||
f0d1b0b3 DH |
80 | config ARCH_HAS_ILOG2_U32 |
81 | bool | |
ef55d53c | 82 | default y |
f0d1b0b3 DH |
83 | |
84 | config ARCH_HAS_ILOG2_U64 | |
85 | bool | |
ef55d53c | 86 | default y if 64BIT |
f0d1b0b3 | 87 | |
e779b2f9 AM |
88 | config GENERIC_HWEIGHT |
89 | bool | |
90 | default y | |
91 | ||
14cf11af PM |
92 | config GENERIC_CALIBRATE_DELAY |
93 | bool | |
94 | default y | |
95 | ||
0a9cb46a JM |
96 | config GENERIC_FIND_NEXT_BIT |
97 | bool | |
98 | default y | |
99 | ||
b7ce3415 AV |
100 | config GENERIC_GPIO |
101 | bool | |
102 | help | |
103 | Generic GPIO API support | |
104 | ||
f057eac0 SR |
105 | config ARCH_NO_VIRT_TO_BUS |
106 | def_bool PPC64 | |
107 | ||
14cf11af PM |
108 | config PPC |
109 | bool | |
110 | default y | |
677aa9f7 | 111 | select HAVE_DYNAMIC_FTRACE |
4e491d14 | 112 | select HAVE_FTRACE |
7444a72e | 113 | select ARCH_WANT_OPTIONAL_GPIOLIB |
ec7748b5 | 114 | select HAVE_IDE |
a1f242ff | 115 | select HAVE_IOREMAP_PROT |
58340a07 | 116 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
3f550096 | 117 | select HAVE_KPROBES |
17ce452f | 118 | select HAVE_ARCH_KGDB |
9edddaa2 | 119 | select HAVE_KRETPROBES |
d9b2b2a2 | 120 | select HAVE_LMB |
7ff86b03 | 121 | select HAVE_DMA_ATTRS if PPC64 |
b7d7a240 | 122 | select USE_GENERIC_SMP_HELPERS if SMP |
4e491d14 | 123 | select HAVE_OPROFILE |
14cf11af PM |
124 | |
125 | config EARLY_PRINTK | |
126 | bool | |
51d3082f | 127 | default y |
14cf11af PM |
128 | |
129 | config COMPAT | |
130 | bool | |
131 | default y if PPC64 | |
01e31dba | 132 | select COMPAT_BINFMT_ELF |
14cf11af PM |
133 | |
134 | config SYSVIPC_COMPAT | |
135 | bool | |
136 | depends on COMPAT && SYSVIPC | |
137 | default y | |
138 | ||
139 | # All PPC32s use generic nvram driver through ppc_md | |
140 | config GENERIC_NVRAM | |
141 | bool | |
142 | default y if PPC32 | |
143 | ||
144 | config SCHED_NO_NO_OMIT_FRAME_POINTER | |
145 | bool | |
146 | default y | |
147 | ||
148 | config ARCH_MAY_HAVE_PC_FDC | |
149 | bool | |
bed59275 | 150 | default !PPC_PSERIES || PCI |
14cf11af | 151 | |
08264cbc KG |
152 | config PPC_OF |
153 | def_bool y | |
154 | ||
97e873e5 SR |
155 | config OF |
156 | def_bool y | |
157 | ||
08264cbc KG |
158 | config PPC_UDBG_16550 |
159 | bool | |
160 | default n | |
161 | ||
08264cbc KG |
162 | config GENERIC_TBSYNC |
163 | bool | |
164 | default y if PPC32 && SMP | |
165 | default n | |
166 | ||
e65e1fc2 AV |
167 | config AUDIT_ARCH |
168 | bool | |
169 | default y | |
170 | ||
73c9ceab JF |
171 | config GENERIC_BUG |
172 | bool | |
173 | default y | |
174 | depends on BUG | |
175 | ||
b3028878 | 176 | config SYS_SUPPORTS_APM_EMULATION |
58da10bb | 177 | default y if PMAC_APM_EMU |
b3028878 JB |
178 | bool |
179 | ||
f4fc4a5b KG |
180 | config DEFAULT_UIMAGE |
181 | bool | |
182 | help | |
183 | Used to allow a board to specify it wants a uImage built by default | |
184 | default n | |
185 | ||
b09c1644 SW |
186 | config REDBOOT |
187 | bool | |
188 | ||
801e4062 | 189 | config HIBERNATE_32 |
543b9fd3 | 190 | bool |
801e4062 JB |
191 | depends on (PPC_PMAC && !SMP) || BROKEN |
192 | default y | |
193 | ||
194 | config HIBERNATE_64 | |
195 | bool | |
196 | depends on BROKEN || (PPC_PMAC64 && EXPERIMENTAL) | |
197 | default y | |
198 | ||
199 | config ARCH_HIBERNATION_POSSIBLE | |
200 | bool | |
201 | depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32) | |
543b9fd3 JB |
202 | default y |
203 | ||
f4cb5700 JB |
204 | config ARCH_SUSPEND_POSSIBLE |
205 | def_bool y | |
d49747bd | 206 | depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx |
f4cb5700 | 207 | |
4c75a6f4 BH |
208 | config PPC_DCR_NATIVE |
209 | bool | |
210 | default n | |
211 | ||
212 | config PPC_DCR_MMIO | |
213 | bool | |
214 | default n | |
215 | ||
216 | config PPC_DCR | |
217 | bool | |
218 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO | |
219 | default y | |
220 | ||
4c9d2800 BH |
221 | config PPC_OF_PLATFORM_PCI |
222 | bool | |
373a6da1 | 223 | depends on PCI |
4c9d2800 BH |
224 | depends on PPC64 # not supported on 32 bits yet |
225 | default n | |
226 | ||
14cf11af PM |
227 | source "init/Kconfig" |
228 | ||
a2d2e1ec | 229 | source "arch/powerpc/sysdev/Kconfig" |
4330f5da | 230 | source "arch/powerpc/platforms/Kconfig" |
14cf11af | 231 | |
14cf11af PM |
232 | menu "Kernel options" |
233 | ||
234 | config HIGHMEM | |
235 | bool "High memory support" | |
236 | depends on PPC32 | |
237 | ||
1ad74998 | 238 | source kernel/time/Kconfig |
14cf11af PM |
239 | source kernel/Kconfig.hz |
240 | source kernel/Kconfig.preempt | |
241 | source "fs/Kconfig.binfmt" | |
242 | ||
ba72cb8c MG |
243 | config HUGETLB_PAGE_SIZE_VARIABLE |
244 | bool | |
245 | depends on HUGETLB_PAGE | |
246 | default y | |
247 | ||
14cf11af PM |
248 | config MATH_EMULATION |
249 | bool "Math emulation" | |
4d52719a | 250 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
14cf11af PM |
251 | ---help--- |
252 | Some PowerPC chips designed for embedded applications do not have | |
253 | a floating-point unit and therefore do not implement the | |
254 | floating-point instructions in the PowerPC instruction set. If you | |
255 | say Y here, the kernel will include code to emulate a floating-point | |
256 | unit, which will allow programs that use floating-point | |
257 | instructions to run. | |
258 | ||
5dd57a13 SW |
259 | config 8XX_MINIMAL_FPEMU |
260 | bool "Minimal math emulation for 8xx" | |
261 | depends on 8xx && !MATH_EMULATION | |
262 | help | |
263 | Older arch/ppc kernels still emulated a few floating point | |
264 | instructions such as load and store, even when full math | |
265 | emulation is disabled. Say "Y" here if you want to preserve | |
266 | this behavior. | |
267 | ||
268 | It is recommended that you build a soft-float userspace instead. | |
269 | ||
14cf11af | 270 | config IOMMU_VMERGE |
768cc2d3 LV |
271 | bool "Enable IOMMU virtual merging" |
272 | depends on PPC64 | |
273 | default y | |
14cf11af PM |
274 | help |
275 | Cause IO segments sent to a device for DMA to be merged virtually | |
276 | by the IOMMU when they happen to have been allocated contiguously. | |
277 | This doesn't add pressure to the IOMMU allocator. However, some | |
278 | drivers don't support getting large merged segments coming back | |
768cc2d3 LV |
279 | from *_map_sg(). |
280 | ||
281 | Most drivers don't have this problem; it is safe to say Y here. | |
14cf11af | 282 | |
fb3475e9 FT |
283 | config IOMMU_HELPER |
284 | def_bool PPC64 | |
285 | ||
14cf11af PM |
286 | config HOTPLUG_CPU |
287 | bool "Support for enabling/disabling CPUs" | |
288 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) | |
289 | ---help--- | |
290 | Say Y here to be able to disable and re-enable individual | |
291 | CPUs at runtime on SMP machines. | |
292 | ||
293 | Say N if you are unsure. | |
294 | ||
cc57637b YG |
295 | config ARCH_ENABLE_MEMORY_HOTPLUG |
296 | def_bool y | |
297 | ||
a99824f3 BP |
298 | config ARCH_HAS_WALK_MEMORY |
299 | def_bool y | |
300 | ||
1482471d BP |
301 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
302 | def_bool y | |
303 | ||
14cf11af PM |
304 | config KEXEC |
305 | bool "kexec system call (EXPERIMENTAL)" | |
fd4ba7e2 | 306 | depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL |
14cf11af PM |
307 | help |
308 | kexec is a system call that implements the ability to shutdown your | |
309 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 310 | but it is independent of the system firmware. And like a reboot |
14cf11af PM |
311 | you can start any kernel with it, not just Linux. |
312 | ||
1f1332f7 | 313 | The name comes from the similarity to the exec system call. |
14cf11af PM |
314 | |
315 | It is an ongoing process to be certain the hardware in a machine | |
316 | is properly shutdown, so do not be surprised if this code does not | |
317 | initially work for you. It may help to enable device hotplugging | |
318 | support. As of this writing the exact hardware interface is | |
319 | strongly in flux, so no good recommendation can be made. | |
320 | ||
e8625d46 | 321 | config CRASH_DUMP |
3420b5da BW |
322 | bool "Build a kdump crash kernel" |
323 | depends on PPC_MULTIPLATFORM && PPC64 | |
e8625d46 HM |
324 | help |
325 | Build a kernel suitable for use as a kdump capture kernel. | |
326 | The kernel will be linked at a different address than normal, and | |
327 | so can only be used for Kdump. | |
328 | ||
329 | Don't change this unless you know what you are doing. | |
330 | ||
242f271c MA |
331 | config PHYP_DUMP |
332 | bool "Hypervisor-assisted dump (EXPERIMENTAL)" | |
333 | depends on PPC_PSERIES && EXPERIMENTAL | |
334 | help | |
335 | Hypervisor-assisted dump is meant to be a kdump replacement | |
336 | offering robustness and speed not possible without system | |
337 | hypervisor assistence. | |
338 | ||
339 | If unsure, say "N" | |
340 | ||
14cf11af PM |
341 | config PPCBUG_NVRAM |
342 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC | |
343 | default y if PPC_PREP | |
344 | ||
345 | config IRQ_ALL_CPUS | |
346 | bool "Distribute interrupts on all CPUs by default" | |
347 | depends on SMP && !MV64360 | |
348 | help | |
349 | This option gives the kernel permission to distribute IRQs across | |
350 | multiple CPUs. Saying N here will route all IRQs to the first | |
351 | CPU. Generally saying Y is safe, although some problems have been | |
352 | reported with SMP Power Macintoshes with this option enabled. | |
353 | ||
ffa27b6b AW |
354 | config NUMA |
355 | bool "NUMA support" | |
356 | depends on PPC64 | |
357 | default y if SMP && PPC_PSERIES | |
358 | ||
c80d79d7 YG |
359 | config NODES_SHIFT |
360 | int | |
361 | default "4" | |
362 | depends on NEED_MULTIPLE_NODES | |
363 | ||
14cf11af PM |
364 | config ARCH_SELECT_MEMORY_MODEL |
365 | def_bool y | |
366 | depends on PPC64 | |
367 | ||
368 | config ARCH_FLATMEM_ENABLE | |
9100b205 AW |
369 | def_bool y |
370 | depends on (PPC64 && !NUMA) || PPC32 | |
14cf11af | 371 | |
45fb6cea | 372 | config ARCH_SPARSEMEM_ENABLE |
14cf11af | 373 | def_bool y |
9100b205 | 374 | depends on PPC64 |
d29eff7b | 375 | select SPARSEMEM_VMEMMAP_ENABLE |
14cf11af | 376 | |
45fb6cea | 377 | config ARCH_SPARSEMEM_DEFAULT |
14cf11af | 378 | def_bool y |
78bde53e | 379 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
14cf11af | 380 | |
c67c3cb4 | 381 | config ARCH_POPULATES_NODE_MAP |
14cf11af | 382 | def_bool y |
c67c3cb4 MG |
383 | |
384 | source "mm/Kconfig" | |
14cf11af | 385 | |
7e9191da MK |
386 | config ARCH_MEMORY_PROBE |
387 | def_bool y | |
388 | depends on MEMORY_HOTPLUG | |
389 | ||
75167957 AW |
390 | # Some NUMA nodes have memory ranges that span |
391 | # other nodes. Even though a pfn is valid and | |
392 | # between a node's start and end pfns, it may not | |
393 | # reside on that node. See memmap_init_zone() | |
394 | # for details. | |
395 | config NODES_SPAN_OTHER_NODES | |
396 | def_bool y | |
397 | depends on NEED_MULTIPLE_NODES | |
398 | ||
16c2d476 BH |
399 | config PPC_HAS_HASH_64K |
400 | bool | |
401 | depends on PPC64 | |
402 | default n | |
403 | ||
3c726f8d BH |
404 | config PPC_64K_PAGES |
405 | bool "64k page size" | |
863c84b9 | 406 | depends on PPC64 |
16c2d476 | 407 | select PPC_HAS_HASH_64K |
3c726f8d BH |
408 | help |
409 | This option changes the kernel logical page size to 64k. On machines | |
98750261 KG |
410 | without processor support for 64k pages, the kernel will simulate |
411 | them by loading each individual 4k page on demand transparently, | |
412 | while on hardware with such support, it will be used to map | |
413 | normal application pages. | |
3c726f8d | 414 | |
53bcddb9 SR |
415 | config FORCE_MAX_ZONEORDER |
416 | int "Maximum zone order" | |
417 | default "9" if PPC_64K_PAGES | |
418 | default "13" if PPC64 && !PPC_64K_PAGES | |
419 | default "11" | |
420 | help | |
421 | The kernel memory allocator divides physically contiguous memory | |
422 | blocks into "zones", where each zone is a power of two number of | |
423 | pages. This option selects the largest power of two that the kernel | |
424 | keeps in the memory allocator. If you need to allocate very large | |
425 | blocks of physically contiguous memory, then you may need to | |
426 | increase this value. | |
427 | ||
428 | This config option is actually maximum order plus one. For example, | |
429 | a value of 11 means that the largest free memory block is 2^10 pages. | |
430 | ||
431 | The page size is not necessarily 4KB. For example, on 64-bit | |
432 | systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep | |
433 | this in mind when choosing a value for this option. | |
434 | ||
fa28237c PM |
435 | config PPC_SUBPAGE_PROT |
436 | bool "Support setting protections for 4k subpages" | |
437 | depends on PPC_64K_PAGES | |
438 | help | |
439 | This option adds support for a system call to allow user programs | |
440 | to set access permissions (read/write, readonly, or no access) | |
441 | on the 4k subpages of each 64k page. | |
442 | ||
14cf11af PM |
443 | config SCHED_SMT |
444 | bool "SMT (Hyperthreading) scheduler support" | |
445 | depends on PPC64 && SMP | |
14cf11af PM |
446 | help |
447 | SMT scheduler support improves the CPU scheduler's decision making | |
448 | when dealing with POWER5 cpus at a cost of slightly increased | |
449 | overhead in some places. If unsure say N here. | |
450 | ||
451 | config PROC_DEVICETREE | |
5f296755 PM |
452 | bool "Support for device tree in /proc" |
453 | depends on PROC_FS | |
14cf11af PM |
454 | help |
455 | This option adds a device-tree directory under /proc which contains | |
456 | an image of the device tree that the kernel copies from Open | |
5f296755 | 457 | Firmware or other boot firmware. If unsure, say Y here. |
14cf11af | 458 | |
14cf11af PM |
459 | config CMDLINE_BOOL |
460 | bool "Default bootloader kernel arguments" | |
14cf11af PM |
461 | |
462 | config CMDLINE | |
463 | string "Initial kernel command string" | |
464 | depends on CMDLINE_BOOL | |
465 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" | |
466 | help | |
467 | On some platforms, there is currently no way for the boot loader to | |
468 | pass arguments to the kernel. For these platforms, you can supply | |
469 | some command-line options at build time by entering them here. In | |
470 | most cases you will need to specify the root device here. | |
471 | ||
c356aa45 GL |
472 | config EXTRA_TARGETS |
473 | string "Additional default image types" | |
474 | help | |
475 | List additional targets to be built by the bootwrapper here (separated | |
476 | by spaces). This is useful for targets that depend of device tree | |
477 | files in the .dts directory. | |
478 | ||
479 | Targets in this list will be build as part of the default build | |
480 | target, or when the user does a 'make zImage' or a | |
481 | 'make zImage.initrd'. | |
482 | ||
483 | If unsure, leave blank | |
484 | ||
14cf11af | 485 | if !44x || BROKEN |
b28f5081 JB |
486 | config ARCH_WANTS_FREEZER_CONTROL |
487 | def_bool y | |
488 | depends on ADB_PMU | |
489 | ||
14cf11af PM |
490 | source kernel/power/Kconfig |
491 | endif | |
492 | ||
493 | config SECCOMP | |
494 | bool "Enable seccomp to safely compute untrusted bytecode" | |
495 | depends on PROC_FS | |
496 | default y | |
497 | help | |
498 | This kernel feature is useful for number crunching applications | |
499 | that may need to compute untrusted bytecode during their | |
500 | execution. By using pipes or other transports made available to | |
501 | the process as file descriptors supporting the read/write | |
502 | syscalls, it's possible to isolate those applications in | |
503 | their own address space using seccomp. Once seccomp is | |
504 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
505 | and the task is only allowed to execute a few safe syscalls | |
506 | defined by each seccomp mode. | |
507 | ||
508 | If unsure, say Y. Only embedded should say N here. | |
509 | ||
510 | endmenu | |
511 | ||
512 | config ISA_DMA_API | |
513 | bool | |
373a6da1 | 514 | default !PPC_ISERIES || PCI |
14cf11af PM |
515 | |
516 | menu "Bus options" | |
517 | ||
518 | config ISA | |
519 | bool "Support for ISA-bus hardware" | |
520 | depends on PPC_PREP || PPC_CHRP | |
f9bd170a | 521 | select PPC_I8259 |
14cf11af PM |
522 | help |
523 | Find out whether you have ISA slots on your motherboard. ISA is the | |
524 | name of a bus system, i.e. the way the CPU talks to the other stuff | |
525 | inside your box. If you have an Apple machine, say N here; if you | |
526 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If | |
527 | you have an embedded board, consult your board documentation. | |
528 | ||
5ac6da66 CL |
529 | config ZONE_DMA |
530 | bool | |
531 | default y | |
532 | ||
14cf11af PM |
533 | config GENERIC_ISA_DMA |
534 | bool | |
535 | depends on PPC64 || POWER4 || 6xx && !CPM2 | |
536 | default y | |
537 | ||
25635c71 PM |
538 | config PPC_INDIRECT_PCI |
539 | bool | |
540 | depends on PCI | |
63dafe57 | 541 | default y if 40x || 44x |
25635c71 PM |
542 | default n |
543 | ||
14cf11af PM |
544 | config EISA |
545 | bool | |
546 | ||
547 | config SBUS | |
548 | bool | |
549 | ||
08264cbc KG |
550 | config FSL_SOC |
551 | bool | |
552 | ||
55c44991 RZ |
553 | config FSL_PCI |
554 | bool | |
555 | select PPC_INDIRECT_PCI | |
556 | ||
2a706919 SR |
557 | config 4xx_SOC |
558 | bool | |
559 | ||
acaa7aa3 AV |
560 | config FSL_LBC |
561 | bool | |
562 | help | |
563 | Freescale Localbus support | |
564 | ||
83ff9dcf AV |
565 | config FSL_GTM |
566 | bool | |
567 | depends on PPC_83xx || QUICC_ENGINE || CPM2 | |
568 | help | |
569 | Freescale General-purpose Timers support | |
570 | ||
14cf11af PM |
571 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
572 | config MCA | |
573 | bool | |
574 | ||
b500563b JR |
575 | # Platforms that what PCI turned unconditionally just do select PCI |
576 | # in their config node. Platforms that want to choose at config | |
577 | # time should select PPC_PCI_CHOICE | |
578 | config PPC_PCI_CHOICE | |
579 | bool | |
580 | ||
14cf11af | 581 | config PCI |
b500563b JR |
582 | bool "PCI support" if PPC_PCI_CHOICE |
583 | default y if !40x && !CPM2 && !8xx && !PPC_83xx \ | |
53158620 | 584 | && !PPC_85xx && !PPC_86xx |
f21f49ea | 585 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx |
14cf11af | 586 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
df87ef55 | 587 | select ARCH_SUPPORTS_MSI |
14cf11af PM |
588 | help |
589 | Find out whether your system includes a PCI bus. PCI is the name of | |
590 | a bus system, i.e. the way the CPU talks to the other stuff inside | |
591 | your box. If you say Y here, the kernel will include drivers and | |
592 | infrastructure code to support PCI bus devices. | |
593 | ||
594 | config PCI_DOMAINS | |
36e23590 MW |
595 | def_bool PCI |
596 | ||
597 | config PCI_SYSCALL | |
598 | def_bool PCI | |
14cf11af | 599 | |
14cf11af PM |
600 | config PCI_QSPAN |
601 | bool "QSpan PCI" | |
602 | depends on !4xx && !CPM2 && 8xx | |
f9bd170a | 603 | select PPC_I8259 |
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604 | help |
605 | Say Y here if you have a system based on a Motorola 8xx-series | |
606 | embedded processor with a QSPAN PCI interface, otherwise say N. | |
607 | ||
608 | config PCI_8260 | |
609 | bool | |
610 | depends on PCI && 8260 | |
25635c71 | 611 | select PPC_INDIRECT_PCI |
14cf11af PM |
612 | default y |
613 | ||
614 | config 8260_PCI9 | |
4a3ecc62 | 615 | bool "Enable workaround for MPC826x erratum PCI 9" |
e00c5498 | 616 | depends on PCI_8260 && !8272 |
14cf11af PM |
617 | default y |
618 | ||
619 | choice | |
4a3ecc62 | 620 | prompt "IDMA channel for PCI 9 workaround" |
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621 | depends on 8260_PCI9 |
622 | ||
623 | config 8260_PCI9_IDMA1 | |
624 | bool "IDMA1" | |
625 | ||
626 | config 8260_PCI9_IDMA2 | |
627 | bool "IDMA2" | |
628 | ||
629 | config 8260_PCI9_IDMA3 | |
630 | bool "IDMA3" | |
631 | ||
632 | config 8260_PCI9_IDMA4 | |
633 | bool "IDMA4" | |
634 | ||
635 | endchoice | |
636 | ||
bb53bb3d JM |
637 | source "drivers/pci/pcie/Kconfig" |
638 | ||
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639 | source "drivers/pci/Kconfig" |
640 | ||
641 | source "drivers/pcmcia/Kconfig" | |
642 | ||
643 | source "drivers/pci/hotplug/Kconfig" | |
644 | ||
f1f389d5 ZW |
645 | config HAS_RAPIDIO |
646 | bool | |
647 | default n | |
648 | ||
649 | config RAPIDIO | |
650 | bool "RapidIO support" | |
651 | depends on HAS_RAPIDIO | |
652 | help | |
653 | If you say Y here, the kernel will include drivers and | |
654 | infrastructure code to support RapidIO interconnect devices. | |
655 | ||
656 | source "drivers/rapidio/Kconfig" | |
657 | ||
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658 | endmenu |
659 | ||
660 | menu "Advanced setup" | |
661 | depends on PPC32 | |
662 | ||
663 | config ADVANCED_OPTIONS | |
664 | bool "Prompt for advanced kernel configuration options" | |
665 | help | |
666 | This option will enable prompting for a variety of advanced kernel | |
667 | configuration options. These options can cause the kernel to not | |
668 | work if they are set incorrectly, but can be used to optimize certain | |
669 | aspects of kernel memory management. | |
670 | ||
671 | Unless you know what you are doing, say N here. | |
672 | ||
673 | comment "Default settings for advanced configuration options are used" | |
674 | depends on !ADVANCED_OPTIONS | |
675 | ||
14cf11af PM |
676 | config LOWMEM_SIZE_BOOL |
677 | bool "Set maximum low memory" | |
678 | depends on ADVANCED_OPTIONS | |
679 | help | |
680 | This option allows you to set the maximum amount of memory which | |
681 | will be used as "low memory", that is, memory which the kernel can | |
682 | access directly, without having to set up a kernel virtual mapping. | |
683 | This can be useful in optimizing the layout of kernel virtual | |
684 | memory. | |
685 | ||
686 | Say N here unless you know what you are doing. | |
687 | ||
688 | config LOWMEM_SIZE | |
689 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL | |
690 | default "0x30000000" | |
691 | ||
37dd2bad KG |
692 | config RELOCATABLE |
693 | bool "Build a relocatable kernel (EXPERIMENTAL)" | |
694 | depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE | |
695 | help | |
696 | This builds a kernel image that is capable of running at the | |
697 | location the kernel is loaded at (some alignment restrictions may | |
698 | exist). | |
699 | ||
700 | One use is for the kexec on panic case where the recovery kernel | |
701 | must live at a different physical address than the primary | |
702 | kernel. | |
703 | ||
704 | Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address | |
705 | it has been loaded at and the compile time physical addresses | |
706 | CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START | |
707 | setting can still be useful to bootwrappers that need to know the | |
708 | load location of the kernel (eg. u-boot/mkimage). | |
709 | ||
710 | config PAGE_OFFSET_BOOL | |
711 | bool "Set custom page offset address" | |
712 | depends on ADVANCED_OPTIONS | |
713 | help | |
714 | This option allows you to set the kernel virtual address at which | |
715 | the kernel will map low memory. This can be useful in optimizing | |
716 | the virtual memory layout of the system. | |
717 | ||
718 | Say N here unless you know what you are doing. | |
719 | ||
720 | config PAGE_OFFSET | |
721 | hex "Virtual address of memory base" if PAGE_OFFSET_BOOL | |
722 | default "0xc0000000" | |
723 | ||
14cf11af PM |
724 | config KERNEL_START_BOOL |
725 | bool "Set custom kernel base address" | |
726 | depends on ADVANCED_OPTIONS | |
727 | help | |
728 | This option allows you to set the kernel virtual address at which | |
37dd2bad KG |
729 | the kernel will be loaded. Normally this should match PAGE_OFFSET |
730 | however there are times (like kdump) that one might not want them | |
731 | to be the same. | |
14cf11af PM |
732 | |
733 | Say N here unless you know what you are doing. | |
734 | ||
735 | config KERNEL_START | |
736 | hex "Virtual address of kernel base" if KERNEL_START_BOOL | |
37dd2bad KG |
737 | default PAGE_OFFSET if PAGE_OFFSET_BOOL |
738 | default "0xc2000000" if CRASH_DUMP | |
14cf11af PM |
739 | default "0xc0000000" |
740 | ||
37dd2bad KG |
741 | config PHYSICAL_START_BOOL |
742 | bool "Set physical address where the kernel is loaded" | |
743 | depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE | |
744 | help | |
745 | This gives the physical address where the kernel is loaded. | |
746 | ||
747 | Say N here unless you know what you are doing. | |
748 | ||
749 | config PHYSICAL_START | |
750 | hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL | |
751 | default "0x02000000" if PPC_STD_MMU && CRASH_DUMP | |
752 | default "0x00000000" | |
753 | ||
754 | config PHYSICAL_ALIGN | |
755 | hex | |
756 | default "0x10000000" if FSL_BOOKE | |
757 | help | |
758 | This value puts the alignment restrictions on physical address | |
759 | where kernel is loaded and run from. Kernel is compiled for an | |
760 | address which meets above alignment restriction. | |
761 | ||
14cf11af PM |
762 | config TASK_SIZE_BOOL |
763 | bool "Set custom user task size" | |
764 | depends on ADVANCED_OPTIONS | |
765 | help | |
766 | This option allows you to set the amount of virtual address space | |
767 | allocated to user tasks. This can be useful in optimizing the | |
768 | virtual memory layout of the system. | |
769 | ||
770 | Say N here unless you know what you are doing. | |
771 | ||
772 | config TASK_SIZE | |
773 | hex "Size of user task space" if TASK_SIZE_BOOL | |
4d9e5510 KG |
774 | default "0x80000000" if PPC_PREP || PPC_8xx |
775 | default "0xc0000000" | |
14cf11af PM |
776 | |
777 | config CONSISTENT_START_BOOL | |
778 | bool "Set custom consistent memory pool address" | |
779 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
780 | help | |
781 | This option allows you to set the base virtual address | |
4b3f686d | 782 | of the consistent memory pool. This pool of virtual |
14cf11af PM |
783 | memory is used to make consistent memory allocations. |
784 | ||
785 | config CONSISTENT_START | |
786 | hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL | |
ccf0d68e | 787 | default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx) |
14cf11af PM |
788 | default "0xff100000" if NOT_COHERENT_CACHE |
789 | ||
790 | config CONSISTENT_SIZE_BOOL | |
791 | bool "Set custom consistent memory pool size" | |
792 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
793 | help | |
4b3f686d | 794 | This option allows you to set the size of the |
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795 | consistent memory pool. This pool of virtual memory |
796 | is used to make consistent memory allocations. | |
797 | ||
798 | config CONSISTENT_SIZE | |
799 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL | |
800 | default "0x00200000" if NOT_COHERENT_CACHE | |
801 | ||
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802 | config PIN_TLB |
803 | bool "Pinned Kernel TLBs (860 ONLY)" | |
804 | depends on ADVANCED_OPTIONS && 8xx | |
805 | endmenu | |
806 | ||
cabb5587 | 807 | if PPC64 |
37dd2bad KG |
808 | config PAGE_OFFSET |
809 | hex | |
810 | default "0xc000000000000000" | |
cabb5587 SR |
811 | config KERNEL_START |
812 | hex | |
37dd2bad | 813 | default "0xc000000002000000" if CRASH_DUMP |
eeb2d218 | 814 | default "0xc000000000000000" |
37dd2bad KG |
815 | config PHYSICAL_START |
816 | hex | |
817 | default "0x02000000" if CRASH_DUMP | |
818 | default "0x00000000" | |
cabb5587 SR |
819 | endif |
820 | ||
14cf11af PM |
821 | source "net/Kconfig" |
822 | ||
823 | source "drivers/Kconfig" | |
824 | ||
825 | source "fs/Kconfig" | |
826 | ||
827 | # XXX source "arch/ppc/8xx_io/Kconfig" | |
828 | ||
829 | # XXX source "arch/ppc/8260_io/Kconfig" | |
830 | ||
98658538 LY |
831 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
832 | ||
14cf11af PM |
833 | source "lib/Kconfig" |
834 | ||
14cf11af PM |
835 | source "arch/powerpc/Kconfig.debug" |
836 | ||
837 | source "security/Kconfig" | |
838 | ||
839 | config KEYS_COMPAT | |
840 | bool | |
841 | depends on COMPAT && KEYS | |
842 | default y | |
843 | ||
844 | source "crypto/Kconfig" | |
6f668280 DP |
845 | |
846 | config PPC_CLOCK | |
847 | bool | |
848 | default n | |
9483a578 | 849 | select HAVE_CLK |
1088a209 SM |
850 | |
851 | config PPC_LIB_RHEAP | |
852 | bool | |
853 | ||
bbf45ba5 | 854 | source "arch/powerpc/kvm/Kconfig" |