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