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