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 | ||
600715dc JF |
22 | config ARCH_PHYS_ADDR_T_64BIT |
23 | def_bool PPC64 || PHYS_64BIT | |
24 | ||
14cf11af PM |
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 |
dec2b0d0 | 120 | select HAVE_ARCH_TRACEHOOK |
d9b2b2a2 | 121 | select HAVE_LMB |
7ff86b03 | 122 | select HAVE_DMA_ATTRS if PPC64 |
b7d7a240 | 123 | select USE_GENERIC_SMP_HELPERS if SMP |
4e491d14 | 124 | select HAVE_OPROFILE |
14cf11af PM |
125 | |
126 | config EARLY_PRINTK | |
127 | bool | |
51d3082f | 128 | default y |
14cf11af PM |
129 | |
130 | config COMPAT | |
131 | bool | |
132 | default y if PPC64 | |
01e31dba | 133 | select COMPAT_BINFMT_ELF |
14cf11af PM |
134 | |
135 | config SYSVIPC_COMPAT | |
136 | bool | |
137 | depends on COMPAT && SYSVIPC | |
138 | default y | |
139 | ||
140 | # All PPC32s use generic nvram driver through ppc_md | |
141 | config GENERIC_NVRAM | |
142 | bool | |
143 | default y if PPC32 | |
144 | ||
145 | config SCHED_NO_NO_OMIT_FRAME_POINTER | |
146 | bool | |
147 | default y | |
148 | ||
149 | config ARCH_MAY_HAVE_PC_FDC | |
150 | bool | |
bed59275 | 151 | default !PPC_PSERIES || PCI |
14cf11af | 152 | |
08264cbc KG |
153 | config PPC_OF |
154 | def_bool y | |
155 | ||
97e873e5 SR |
156 | config OF |
157 | def_bool y | |
158 | ||
08264cbc KG |
159 | config PPC_UDBG_16550 |
160 | bool | |
161 | default n | |
162 | ||
08264cbc KG |
163 | config GENERIC_TBSYNC |
164 | bool | |
165 | default y if PPC32 && SMP | |
166 | default n | |
167 | ||
e65e1fc2 AV |
168 | config AUDIT_ARCH |
169 | bool | |
170 | default y | |
171 | ||
73c9ceab JF |
172 | config GENERIC_BUG |
173 | bool | |
174 | default y | |
175 | depends on BUG | |
176 | ||
b3028878 | 177 | config SYS_SUPPORTS_APM_EMULATION |
58da10bb | 178 | default y if PMAC_APM_EMU |
b3028878 JB |
179 | bool |
180 | ||
f4fc4a5b KG |
181 | config DEFAULT_UIMAGE |
182 | bool | |
183 | help | |
184 | Used to allow a board to specify it wants a uImage built by default | |
185 | default n | |
186 | ||
b09c1644 SW |
187 | config REDBOOT |
188 | bool | |
189 | ||
801e4062 | 190 | config HIBERNATE_32 |
543b9fd3 | 191 | bool |
801e4062 JB |
192 | depends on (PPC_PMAC && !SMP) || BROKEN |
193 | default y | |
194 | ||
195 | config HIBERNATE_64 | |
196 | bool | |
197 | depends on BROKEN || (PPC_PMAC64 && EXPERIMENTAL) | |
198 | default y | |
199 | ||
200 | config ARCH_HIBERNATION_POSSIBLE | |
201 | bool | |
202 | depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32) | |
543b9fd3 JB |
203 | default y |
204 | ||
f4cb5700 JB |
205 | config ARCH_SUSPEND_POSSIBLE |
206 | def_bool y | |
d49747bd | 207 | depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx |
f4cb5700 | 208 | |
4c75a6f4 BH |
209 | config PPC_DCR_NATIVE |
210 | bool | |
211 | default n | |
212 | ||
213 | config PPC_DCR_MMIO | |
214 | bool | |
215 | default n | |
216 | ||
217 | config PPC_DCR | |
218 | bool | |
219 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO | |
220 | default y | |
221 | ||
4c9d2800 BH |
222 | config PPC_OF_PLATFORM_PCI |
223 | bool | |
373a6da1 | 224 | depends on PCI |
4c9d2800 BH |
225 | depends on PPC64 # not supported on 32 bits yet |
226 | default n | |
227 | ||
14cf11af PM |
228 | source "init/Kconfig" |
229 | ||
dc52ddc0 MH |
230 | source "kernel/Kconfig.freezer" |
231 | ||
a2d2e1ec | 232 | source "arch/powerpc/sysdev/Kconfig" |
4330f5da | 233 | source "arch/powerpc/platforms/Kconfig" |
14cf11af | 234 | |
14cf11af PM |
235 | menu "Kernel options" |
236 | ||
237 | config HIGHMEM | |
238 | bool "High memory support" | |
239 | depends on PPC32 | |
240 | ||
1ad74998 | 241 | source kernel/time/Kconfig |
14cf11af PM |
242 | source kernel/Kconfig.hz |
243 | source kernel/Kconfig.preempt | |
244 | source "fs/Kconfig.binfmt" | |
245 | ||
ba72cb8c MG |
246 | config HUGETLB_PAGE_SIZE_VARIABLE |
247 | bool | |
248 | depends on HUGETLB_PAGE | |
249 | default y | |
250 | ||
14cf11af PM |
251 | config MATH_EMULATION |
252 | bool "Math emulation" | |
4d52719a | 253 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
14cf11af PM |
254 | ---help--- |
255 | Some PowerPC chips designed for embedded applications do not have | |
256 | a floating-point unit and therefore do not implement the | |
257 | floating-point instructions in the PowerPC instruction set. If you | |
258 | say Y here, the kernel will include code to emulate a floating-point | |
259 | unit, which will allow programs that use floating-point | |
260 | instructions to run. | |
261 | ||
5dd57a13 SW |
262 | config 8XX_MINIMAL_FPEMU |
263 | bool "Minimal math emulation for 8xx" | |
264 | depends on 8xx && !MATH_EMULATION | |
265 | help | |
266 | Older arch/ppc kernels still emulated a few floating point | |
267 | instructions such as load and store, even when full math | |
268 | emulation is disabled. Say "Y" here if you want to preserve | |
269 | this behavior. | |
270 | ||
271 | It is recommended that you build a soft-float userspace instead. | |
272 | ||
14cf11af | 273 | config IOMMU_VMERGE |
768cc2d3 LV |
274 | bool "Enable IOMMU virtual merging" |
275 | depends on PPC64 | |
276 | default y | |
14cf11af PM |
277 | help |
278 | Cause IO segments sent to a device for DMA to be merged virtually | |
279 | by the IOMMU when they happen to have been allocated contiguously. | |
280 | This doesn't add pressure to the IOMMU allocator. However, some | |
281 | drivers don't support getting large merged segments coming back | |
768cc2d3 LV |
282 | from *_map_sg(). |
283 | ||
284 | Most drivers don't have this problem; it is safe to say Y here. | |
14cf11af | 285 | |
fb3475e9 FT |
286 | config IOMMU_HELPER |
287 | def_bool PPC64 | |
288 | ||
14cf11af PM |
289 | config HOTPLUG_CPU |
290 | bool "Support for enabling/disabling CPUs" | |
291 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) | |
292 | ---help--- | |
293 | Say Y here to be able to disable and re-enable individual | |
294 | CPUs at runtime on SMP machines. | |
295 | ||
296 | Say N if you are unsure. | |
297 | ||
cc57637b YG |
298 | config ARCH_ENABLE_MEMORY_HOTPLUG |
299 | def_bool y | |
300 | ||
a99824f3 BP |
301 | config ARCH_HAS_WALK_MEMORY |
302 | def_bool y | |
303 | ||
1482471d BP |
304 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
305 | def_bool y | |
306 | ||
14cf11af PM |
307 | config KEXEC |
308 | bool "kexec system call (EXPERIMENTAL)" | |
fd4ba7e2 | 309 | depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL |
14cf11af PM |
310 | help |
311 | kexec is a system call that implements the ability to shutdown your | |
312 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 313 | but it is independent of the system firmware. And like a reboot |
14cf11af PM |
314 | you can start any kernel with it, not just Linux. |
315 | ||
1f1332f7 | 316 | The name comes from the similarity to the exec system call. |
14cf11af PM |
317 | |
318 | It is an ongoing process to be certain the hardware in a machine | |
319 | is properly shutdown, so do not be surprised if this code does not | |
320 | initially work for you. It may help to enable device hotplugging | |
321 | support. As of this writing the exact hardware interface is | |
322 | strongly in flux, so no good recommendation can be made. | |
323 | ||
e8625d46 | 324 | config CRASH_DUMP |
3420b5da BW |
325 | bool "Build a kdump crash kernel" |
326 | depends on PPC_MULTIPLATFORM && PPC64 | |
e8625d46 HM |
327 | help |
328 | Build a kernel suitable for use as a kdump capture kernel. | |
329 | The kernel will be linked at a different address than normal, and | |
330 | so can only be used for Kdump. | |
331 | ||
332 | Don't change this unless you know what you are doing. | |
333 | ||
242f271c MA |
334 | config PHYP_DUMP |
335 | bool "Hypervisor-assisted dump (EXPERIMENTAL)" | |
336 | depends on PPC_PSERIES && EXPERIMENTAL | |
337 | help | |
338 | Hypervisor-assisted dump is meant to be a kdump replacement | |
339 | offering robustness and speed not possible without system | |
340 | hypervisor assistence. | |
341 | ||
342 | If unsure, say "N" | |
343 | ||
14cf11af PM |
344 | config PPCBUG_NVRAM |
345 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC | |
346 | default y if PPC_PREP | |
347 | ||
348 | config IRQ_ALL_CPUS | |
349 | bool "Distribute interrupts on all CPUs by default" | |
350 | depends on SMP && !MV64360 | |
351 | help | |
352 | This option gives the kernel permission to distribute IRQs across | |
353 | multiple CPUs. Saying N here will route all IRQs to the first | |
354 | CPU. Generally saying Y is safe, although some problems have been | |
355 | reported with SMP Power Macintoshes with this option enabled. | |
356 | ||
ffa27b6b AW |
357 | config NUMA |
358 | bool "NUMA support" | |
359 | depends on PPC64 | |
360 | default y if SMP && PPC_PSERIES | |
361 | ||
c80d79d7 YG |
362 | config NODES_SHIFT |
363 | int | |
364 | default "4" | |
365 | depends on NEED_MULTIPLE_NODES | |
366 | ||
14cf11af PM |
367 | config ARCH_SELECT_MEMORY_MODEL |
368 | def_bool y | |
369 | depends on PPC64 | |
370 | ||
371 | config ARCH_FLATMEM_ENABLE | |
9100b205 AW |
372 | def_bool y |
373 | depends on (PPC64 && !NUMA) || PPC32 | |
14cf11af | 374 | |
45fb6cea | 375 | config ARCH_SPARSEMEM_ENABLE |
14cf11af | 376 | def_bool y |
9100b205 | 377 | depends on PPC64 |
d29eff7b | 378 | select SPARSEMEM_VMEMMAP_ENABLE |
14cf11af | 379 | |
45fb6cea | 380 | config ARCH_SPARSEMEM_DEFAULT |
14cf11af | 381 | def_bool y |
78bde53e | 382 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
14cf11af | 383 | |
c67c3cb4 | 384 | config ARCH_POPULATES_NODE_MAP |
14cf11af | 385 | def_bool y |
c67c3cb4 MG |
386 | |
387 | source "mm/Kconfig" | |
14cf11af | 388 | |
7e9191da MK |
389 | config ARCH_MEMORY_PROBE |
390 | def_bool y | |
391 | depends on MEMORY_HOTPLUG | |
392 | ||
75167957 AW |
393 | # Some NUMA nodes have memory ranges that span |
394 | # other nodes. Even though a pfn is valid and | |
395 | # between a node's start and end pfns, it may not | |
396 | # reside on that node. See memmap_init_zone() | |
397 | # for details. | |
398 | config NODES_SPAN_OTHER_NODES | |
399 | def_bool y | |
400 | depends on NEED_MULTIPLE_NODES | |
401 | ||
16c2d476 BH |
402 | config PPC_HAS_HASH_64K |
403 | bool | |
404 | depends on PPC64 | |
405 | default n | |
406 | ||
3c726f8d BH |
407 | config PPC_64K_PAGES |
408 | bool "64k page size" | |
863c84b9 | 409 | depends on PPC64 |
16c2d476 | 410 | select PPC_HAS_HASH_64K |
3c726f8d BH |
411 | help |
412 | This option changes the kernel logical page size to 64k. On machines | |
98750261 KG |
413 | without processor support for 64k pages, the kernel will simulate |
414 | them by loading each individual 4k page on demand transparently, | |
415 | while on hardware with such support, it will be used to map | |
416 | normal application pages. | |
3c726f8d | 417 | |
53bcddb9 SR |
418 | config FORCE_MAX_ZONEORDER |
419 | int "Maximum zone order" | |
ebe40c5c | 420 | range 9 64 if PPC_64K_PAGES |
53bcddb9 | 421 | default "9" if PPC_64K_PAGES |
ebe40c5c | 422 | range 13 64 if PPC64 && !PPC_64K_PAGES |
53bcddb9 | 423 | default "13" if PPC64 && !PPC_64K_PAGES |
ebe40c5c | 424 | range 11 64 |
53bcddb9 SR |
425 | default "11" |
426 | help | |
427 | The kernel memory allocator divides physically contiguous memory | |
428 | blocks into "zones", where each zone is a power of two number of | |
429 | pages. This option selects the largest power of two that the kernel | |
430 | keeps in the memory allocator. If you need to allocate very large | |
431 | blocks of physically contiguous memory, then you may need to | |
432 | increase this value. | |
433 | ||
434 | This config option is actually maximum order plus one. For example, | |
435 | a value of 11 means that the largest free memory block is 2^10 pages. | |
436 | ||
437 | The page size is not necessarily 4KB. For example, on 64-bit | |
438 | systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep | |
439 | this in mind when choosing a value for this option. | |
440 | ||
fa28237c PM |
441 | config PPC_SUBPAGE_PROT |
442 | bool "Support setting protections for 4k subpages" | |
443 | depends on PPC_64K_PAGES | |
444 | help | |
445 | This option adds support for a system call to allow user programs | |
446 | to set access permissions (read/write, readonly, or no access) | |
447 | on the 4k subpages of each 64k page. | |
448 | ||
14cf11af PM |
449 | config SCHED_SMT |
450 | bool "SMT (Hyperthreading) scheduler support" | |
451 | depends on PPC64 && SMP | |
14cf11af PM |
452 | help |
453 | SMT scheduler support improves the CPU scheduler's decision making | |
454 | when dealing with POWER5 cpus at a cost of slightly increased | |
455 | overhead in some places. If unsure say N here. | |
456 | ||
457 | config PROC_DEVICETREE | |
5f296755 PM |
458 | bool "Support for device tree in /proc" |
459 | depends on PROC_FS | |
14cf11af PM |
460 | help |
461 | This option adds a device-tree directory under /proc which contains | |
462 | an image of the device tree that the kernel copies from Open | |
5f296755 | 463 | Firmware or other boot firmware. If unsure, say Y here. |
14cf11af | 464 | |
14cf11af PM |
465 | config CMDLINE_BOOL |
466 | bool "Default bootloader kernel arguments" | |
14cf11af PM |
467 | |
468 | config CMDLINE | |
469 | string "Initial kernel command string" | |
470 | depends on CMDLINE_BOOL | |
471 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" | |
472 | help | |
473 | On some platforms, there is currently no way for the boot loader to | |
474 | pass arguments to the kernel. For these platforms, you can supply | |
475 | some command-line options at build time by entering them here. In | |
476 | most cases you will need to specify the root device here. | |
477 | ||
c356aa45 GL |
478 | config EXTRA_TARGETS |
479 | string "Additional default image types" | |
480 | help | |
481 | List additional targets to be built by the bootwrapper here (separated | |
482 | by spaces). This is useful for targets that depend of device tree | |
483 | files in the .dts directory. | |
484 | ||
485 | Targets in this list will be build as part of the default build | |
486 | target, or when the user does a 'make zImage' or a | |
487 | 'make zImage.initrd'. | |
488 | ||
489 | If unsure, leave blank | |
490 | ||
14cf11af | 491 | if !44x || BROKEN |
b28f5081 JB |
492 | config ARCH_WANTS_FREEZER_CONTROL |
493 | def_bool y | |
494 | depends on ADB_PMU | |
495 | ||
14cf11af PM |
496 | source kernel/power/Kconfig |
497 | endif | |
498 | ||
499 | config SECCOMP | |
500 | bool "Enable seccomp to safely compute untrusted bytecode" | |
501 | depends on PROC_FS | |
502 | default y | |
503 | help | |
504 | This kernel feature is useful for number crunching applications | |
505 | that may need to compute untrusted bytecode during their | |
506 | execution. By using pipes or other transports made available to | |
507 | the process as file descriptors supporting the read/write | |
508 | syscalls, it's possible to isolate those applications in | |
509 | their own address space using seccomp. Once seccomp is | |
510 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
511 | and the task is only allowed to execute a few safe syscalls | |
512 | defined by each seccomp mode. | |
513 | ||
514 | If unsure, say Y. Only embedded should say N here. | |
515 | ||
516 | endmenu | |
517 | ||
518 | config ISA_DMA_API | |
519 | bool | |
373a6da1 | 520 | default !PPC_ISERIES || PCI |
14cf11af PM |
521 | |
522 | menu "Bus options" | |
523 | ||
524 | config ISA | |
525 | bool "Support for ISA-bus hardware" | |
526 | depends on PPC_PREP || PPC_CHRP | |
f9bd170a | 527 | select PPC_I8259 |
14cf11af PM |
528 | help |
529 | Find out whether you have ISA slots on your motherboard. ISA is the | |
530 | name of a bus system, i.e. the way the CPU talks to the other stuff | |
531 | inside your box. If you have an Apple machine, say N here; if you | |
532 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If | |
533 | you have an embedded board, consult your board documentation. | |
534 | ||
5ac6da66 CL |
535 | config ZONE_DMA |
536 | bool | |
537 | default y | |
538 | ||
14cf11af PM |
539 | config GENERIC_ISA_DMA |
540 | bool | |
541 | depends on PPC64 || POWER4 || 6xx && !CPM2 | |
542 | default y | |
543 | ||
25635c71 PM |
544 | config PPC_INDIRECT_PCI |
545 | bool | |
546 | depends on PCI | |
63dafe57 | 547 | default y if 40x || 44x |
25635c71 PM |
548 | default n |
549 | ||
14cf11af PM |
550 | config EISA |
551 | bool | |
552 | ||
553 | config SBUS | |
554 | bool | |
555 | ||
08264cbc KG |
556 | config FSL_SOC |
557 | bool | |
558 | ||
55c44991 RZ |
559 | config FSL_PCI |
560 | bool | |
561 | select PPC_INDIRECT_PCI | |
562 | ||
2a706919 SR |
563 | config 4xx_SOC |
564 | bool | |
565 | ||
acaa7aa3 AV |
566 | config FSL_LBC |
567 | bool | |
568 | help | |
569 | Freescale Localbus support | |
570 | ||
83ff9dcf AV |
571 | config FSL_GTM |
572 | bool | |
573 | depends on PPC_83xx || QUICC_ENGINE || CPM2 | |
574 | help | |
575 | Freescale General-purpose Timers support | |
576 | ||
14cf11af PM |
577 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
578 | config MCA | |
579 | bool | |
580 | ||
b500563b JR |
581 | # Platforms that what PCI turned unconditionally just do select PCI |
582 | # in their config node. Platforms that want to choose at config | |
583 | # time should select PPC_PCI_CHOICE | |
584 | config PPC_PCI_CHOICE | |
585 | bool | |
586 | ||
14cf11af | 587 | config PCI |
b500563b JR |
588 | bool "PCI support" if PPC_PCI_CHOICE |
589 | default y if !40x && !CPM2 && !8xx && !PPC_83xx \ | |
53158620 | 590 | && !PPC_85xx && !PPC_86xx |
f21f49ea | 591 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx |
14cf11af | 592 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
df87ef55 | 593 | select ARCH_SUPPORTS_MSI |
14cf11af PM |
594 | help |
595 | Find out whether your system includes a PCI bus. PCI is the name of | |
596 | a bus system, i.e. the way the CPU talks to the other stuff inside | |
597 | your box. If you say Y here, the kernel will include drivers and | |
598 | infrastructure code to support PCI bus devices. | |
599 | ||
600 | config PCI_DOMAINS | |
36e23590 MW |
601 | def_bool PCI |
602 | ||
603 | config PCI_SYSCALL | |
604 | def_bool PCI | |
14cf11af | 605 | |
14cf11af PM |
606 | config PCI_QSPAN |
607 | bool "QSpan PCI" | |
608 | depends on !4xx && !CPM2 && 8xx | |
f9bd170a | 609 | select PPC_I8259 |
14cf11af PM |
610 | help |
611 | Say Y here if you have a system based on a Motorola 8xx-series | |
612 | embedded processor with a QSPAN PCI interface, otherwise say N. | |
613 | ||
614 | config PCI_8260 | |
615 | bool | |
616 | depends on PCI && 8260 | |
25635c71 | 617 | select PPC_INDIRECT_PCI |
14cf11af PM |
618 | default y |
619 | ||
620 | config 8260_PCI9 | |
4a3ecc62 | 621 | bool "Enable workaround for MPC826x erratum PCI 9" |
e00c5498 | 622 | depends on PCI_8260 && !8272 |
14cf11af PM |
623 | default y |
624 | ||
625 | choice | |
4a3ecc62 | 626 | prompt "IDMA channel for PCI 9 workaround" |
14cf11af PM |
627 | depends on 8260_PCI9 |
628 | ||
629 | config 8260_PCI9_IDMA1 | |
630 | bool "IDMA1" | |
631 | ||
632 | config 8260_PCI9_IDMA2 | |
633 | bool "IDMA2" | |
634 | ||
635 | config 8260_PCI9_IDMA3 | |
636 | bool "IDMA3" | |
637 | ||
638 | config 8260_PCI9_IDMA4 | |
639 | bool "IDMA4" | |
640 | ||
641 | endchoice | |
642 | ||
bb53bb3d JM |
643 | source "drivers/pci/pcie/Kconfig" |
644 | ||
14cf11af PM |
645 | source "drivers/pci/Kconfig" |
646 | ||
647 | source "drivers/pcmcia/Kconfig" | |
648 | ||
649 | source "drivers/pci/hotplug/Kconfig" | |
650 | ||
f1f389d5 ZW |
651 | config HAS_RAPIDIO |
652 | bool | |
653 | default n | |
654 | ||
655 | config RAPIDIO | |
656 | bool "RapidIO support" | |
657 | depends on HAS_RAPIDIO | |
658 | help | |
659 | If you say Y here, the kernel will include drivers and | |
660 | infrastructure code to support RapidIO interconnect devices. | |
661 | ||
662 | source "drivers/rapidio/Kconfig" | |
663 | ||
14cf11af PM |
664 | endmenu |
665 | ||
666 | menu "Advanced setup" | |
667 | depends on PPC32 | |
668 | ||
669 | config ADVANCED_OPTIONS | |
670 | bool "Prompt for advanced kernel configuration options" | |
671 | help | |
672 | This option will enable prompting for a variety of advanced kernel | |
673 | configuration options. These options can cause the kernel to not | |
674 | work if they are set incorrectly, but can be used to optimize certain | |
675 | aspects of kernel memory management. | |
676 | ||
677 | Unless you know what you are doing, say N here. | |
678 | ||
679 | comment "Default settings for advanced configuration options are used" | |
680 | depends on !ADVANCED_OPTIONS | |
681 | ||
14cf11af PM |
682 | config LOWMEM_SIZE_BOOL |
683 | bool "Set maximum low memory" | |
684 | depends on ADVANCED_OPTIONS | |
685 | help | |
686 | This option allows you to set the maximum amount of memory which | |
687 | will be used as "low memory", that is, memory which the kernel can | |
688 | access directly, without having to set up a kernel virtual mapping. | |
689 | This can be useful in optimizing the layout of kernel virtual | |
690 | memory. | |
691 | ||
692 | Say N here unless you know what you are doing. | |
693 | ||
694 | config LOWMEM_SIZE | |
695 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL | |
696 | default "0x30000000" | |
697 | ||
37dd2bad KG |
698 | config RELOCATABLE |
699 | bool "Build a relocatable kernel (EXPERIMENTAL)" | |
700 | depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE | |
701 | help | |
702 | This builds a kernel image that is capable of running at the | |
703 | location the kernel is loaded at (some alignment restrictions may | |
704 | exist). | |
705 | ||
706 | One use is for the kexec on panic case where the recovery kernel | |
707 | must live at a different physical address than the primary | |
708 | kernel. | |
709 | ||
710 | Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address | |
711 | it has been loaded at and the compile time physical addresses | |
712 | CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START | |
713 | setting can still be useful to bootwrappers that need to know the | |
714 | load location of the kernel (eg. u-boot/mkimage). | |
715 | ||
716 | config PAGE_OFFSET_BOOL | |
717 | bool "Set custom page offset address" | |
718 | depends on ADVANCED_OPTIONS | |
719 | help | |
720 | This option allows you to set the kernel virtual address at which | |
721 | the kernel will map low memory. This can be useful in optimizing | |
722 | the virtual memory layout of the system. | |
723 | ||
724 | Say N here unless you know what you are doing. | |
725 | ||
726 | config PAGE_OFFSET | |
727 | hex "Virtual address of memory base" if PAGE_OFFSET_BOOL | |
728 | default "0xc0000000" | |
729 | ||
14cf11af PM |
730 | config KERNEL_START_BOOL |
731 | bool "Set custom kernel base address" | |
732 | depends on ADVANCED_OPTIONS | |
733 | help | |
734 | This option allows you to set the kernel virtual address at which | |
37dd2bad KG |
735 | the kernel will be loaded. Normally this should match PAGE_OFFSET |
736 | however there are times (like kdump) that one might not want them | |
737 | to be the same. | |
14cf11af PM |
738 | |
739 | Say N here unless you know what you are doing. | |
740 | ||
741 | config KERNEL_START | |
742 | hex "Virtual address of kernel base" if KERNEL_START_BOOL | |
37dd2bad KG |
743 | default PAGE_OFFSET if PAGE_OFFSET_BOOL |
744 | default "0xc2000000" if CRASH_DUMP | |
14cf11af PM |
745 | default "0xc0000000" |
746 | ||
37dd2bad KG |
747 | config PHYSICAL_START_BOOL |
748 | bool "Set physical address where the kernel is loaded" | |
749 | depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE | |
750 | help | |
751 | This gives the physical address where the kernel is loaded. | |
752 | ||
753 | Say N here unless you know what you are doing. | |
754 | ||
755 | config PHYSICAL_START | |
756 | hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL | |
757 | default "0x02000000" if PPC_STD_MMU && CRASH_DUMP | |
758 | default "0x00000000" | |
759 | ||
760 | config PHYSICAL_ALIGN | |
761 | hex | |
762 | default "0x10000000" if FSL_BOOKE | |
763 | help | |
764 | This value puts the alignment restrictions on physical address | |
765 | where kernel is loaded and run from. Kernel is compiled for an | |
766 | address which meets above alignment restriction. | |
767 | ||
14cf11af PM |
768 | config TASK_SIZE_BOOL |
769 | bool "Set custom user task size" | |
770 | depends on ADVANCED_OPTIONS | |
771 | help | |
772 | This option allows you to set the amount of virtual address space | |
773 | allocated to user tasks. This can be useful in optimizing the | |
774 | virtual memory layout of the system. | |
775 | ||
776 | Say N here unless you know what you are doing. | |
777 | ||
778 | config TASK_SIZE | |
779 | hex "Size of user task space" if TASK_SIZE_BOOL | |
4d9e5510 KG |
780 | default "0x80000000" if PPC_PREP || PPC_8xx |
781 | default "0xc0000000" | |
14cf11af PM |
782 | |
783 | config CONSISTENT_START_BOOL | |
784 | bool "Set custom consistent memory pool address" | |
785 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
786 | help | |
787 | This option allows you to set the base virtual address | |
4b3f686d | 788 | of the consistent memory pool. This pool of virtual |
14cf11af PM |
789 | memory is used to make consistent memory allocations. |
790 | ||
791 | config CONSISTENT_START | |
792 | hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL | |
ccf0d68e | 793 | default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx) |
14cf11af PM |
794 | default "0xff100000" if NOT_COHERENT_CACHE |
795 | ||
796 | config CONSISTENT_SIZE_BOOL | |
797 | bool "Set custom consistent memory pool size" | |
798 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
799 | help | |
4b3f686d | 800 | This option allows you to set the size of the |
14cf11af PM |
801 | consistent memory pool. This pool of virtual memory |
802 | is used to make consistent memory allocations. | |
803 | ||
804 | config CONSISTENT_SIZE | |
805 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL | |
806 | default "0x00200000" if NOT_COHERENT_CACHE | |
807 | ||
14cf11af PM |
808 | config PIN_TLB |
809 | bool "Pinned Kernel TLBs (860 ONLY)" | |
810 | depends on ADVANCED_OPTIONS && 8xx | |
811 | endmenu | |
812 | ||
cabb5587 | 813 | if PPC64 |
549e8152 PM |
814 | config RELOCATABLE |
815 | bool "Build a relocatable kernel" | |
816 | help | |
817 | This builds a kernel image that is capable of running anywhere | |
818 | in the RMA (real memory area) at any 16k-aligned base address. | |
819 | The kernel is linked as a position-independent executable (PIE) | |
820 | and contains dynamic relocations which are processed early | |
821 | in the bootup process. | |
822 | ||
823 | One use is for the kexec on panic case where the recovery kernel | |
824 | must live at a different physical address than the primary | |
825 | kernel. | |
826 | ||
37dd2bad KG |
827 | config PAGE_OFFSET |
828 | hex | |
829 | default "0xc000000000000000" | |
cabb5587 SR |
830 | config KERNEL_START |
831 | hex | |
37dd2bad | 832 | default "0xc000000002000000" if CRASH_DUMP |
eeb2d218 | 833 | default "0xc000000000000000" |
37dd2bad KG |
834 | config PHYSICAL_START |
835 | hex | |
836 | default "0x02000000" if CRASH_DUMP | |
837 | default "0x00000000" | |
cabb5587 SR |
838 | endif |
839 | ||
14cf11af PM |
840 | source "net/Kconfig" |
841 | ||
842 | source "drivers/Kconfig" | |
843 | ||
844 | source "fs/Kconfig" | |
845 | ||
846 | # XXX source "arch/ppc/8xx_io/Kconfig" | |
847 | ||
848 | # XXX source "arch/ppc/8260_io/Kconfig" | |
849 | ||
98658538 LY |
850 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
851 | ||
14cf11af PM |
852 | source "lib/Kconfig" |
853 | ||
14cf11af PM |
854 | source "arch/powerpc/Kconfig.debug" |
855 | ||
856 | source "security/Kconfig" | |
857 | ||
858 | config KEYS_COMPAT | |
859 | bool | |
860 | depends on COMPAT && KEYS | |
861 | default y | |
862 | ||
863 | source "crypto/Kconfig" | |
6f668280 DP |
864 | |
865 | config PPC_CLOCK | |
866 | bool | |
867 | default n | |
9483a578 | 868 | select HAVE_CLK |
1088a209 SM |
869 | |
870 | config PPC_LIB_RHEAP | |
871 | bool | |
872 | ||
bbf45ba5 | 873 | source "arch/powerpc/kvm/Kconfig" |