]>
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 | ||
0d7012a9 IM |
45 | config IRQ_PER_CPU |
46 | bool | |
47 | default y | |
48 | ||
14cf11af PM |
49 | config RWSEM_GENERIC_SPINLOCK |
50 | bool | |
51 | ||
52 | config RWSEM_XCHGADD_ALGORITHM | |
53 | bool | |
54 | default y | |
55 | ||
f0d1b0b3 DH |
56 | config ARCH_HAS_ILOG2_U32 |
57 | bool | |
ef55d53c | 58 | default y |
f0d1b0b3 DH |
59 | |
60 | config ARCH_HAS_ILOG2_U64 | |
61 | bool | |
ef55d53c | 62 | default y if 64BIT |
f0d1b0b3 | 63 | |
e779b2f9 AM |
64 | config GENERIC_HWEIGHT |
65 | bool | |
66 | default y | |
67 | ||
14cf11af PM |
68 | config GENERIC_CALIBRATE_DELAY |
69 | bool | |
70 | default y | |
71 | ||
0a9cb46a JM |
72 | config GENERIC_FIND_NEXT_BIT |
73 | bool | |
74 | default y | |
75 | ||
f057eac0 SR |
76 | config ARCH_NO_VIRT_TO_BUS |
77 | def_bool PPC64 | |
78 | ||
14cf11af PM |
79 | config PPC |
80 | bool | |
81 | default y | |
82 | ||
83 | config EARLY_PRINTK | |
84 | bool | |
51d3082f | 85 | default y |
14cf11af PM |
86 | |
87 | config COMPAT | |
88 | bool | |
89 | default y if PPC64 | |
90 | ||
91 | config SYSVIPC_COMPAT | |
92 | bool | |
93 | depends on COMPAT && SYSVIPC | |
94 | default y | |
95 | ||
96 | # All PPC32s use generic nvram driver through ppc_md | |
97 | config GENERIC_NVRAM | |
98 | bool | |
99 | default y if PPC32 | |
100 | ||
101 | config SCHED_NO_NO_OMIT_FRAME_POINTER | |
102 | bool | |
103 | default y | |
104 | ||
105 | config ARCH_MAY_HAVE_PC_FDC | |
106 | bool | |
bed59275 | 107 | default !PPC_PSERIES || PCI |
14cf11af | 108 | |
08264cbc KG |
109 | config PPC_OF |
110 | def_bool y | |
111 | ||
97e873e5 SR |
112 | config OF |
113 | def_bool y | |
114 | ||
08264cbc KG |
115 | config PPC_UDBG_16550 |
116 | bool | |
117 | default n | |
118 | ||
08264cbc KG |
119 | config GENERIC_TBSYNC |
120 | bool | |
121 | default y if PPC32 && SMP | |
122 | default n | |
123 | ||
e65e1fc2 AV |
124 | config AUDIT_ARCH |
125 | bool | |
126 | default y | |
127 | ||
73c9ceab JF |
128 | config GENERIC_BUG |
129 | bool | |
130 | default y | |
131 | depends on BUG | |
132 | ||
b3028878 | 133 | config SYS_SUPPORTS_APM_EMULATION |
58da10bb | 134 | default y if PMAC_APM_EMU |
b3028878 JB |
135 | bool |
136 | ||
f4fc4a5b KG |
137 | config DEFAULT_UIMAGE |
138 | bool | |
139 | help | |
140 | Used to allow a board to specify it wants a uImage built by default | |
141 | default n | |
142 | ||
543b9fd3 JB |
143 | config PPC64_SWSUSP |
144 | bool | |
145 | depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) | |
146 | default y | |
147 | ||
4c75a6f4 BH |
148 | config PPC_DCR_NATIVE |
149 | bool | |
150 | default n | |
151 | ||
152 | config PPC_DCR_MMIO | |
153 | bool | |
154 | default n | |
155 | ||
156 | config PPC_DCR | |
157 | bool | |
158 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO | |
159 | default y | |
160 | ||
4c9d2800 BH |
161 | config PPC_OF_PLATFORM_PCI |
162 | bool | |
163 | depends on PPC64 # not supported on 32 bits yet | |
164 | default n | |
165 | ||
14cf11af PM |
166 | source "init/Kconfig" |
167 | ||
4330f5da | 168 | source "arch/powerpc/platforms/Kconfig" |
14cf11af | 169 | |
14cf11af PM |
170 | menu "Kernel options" |
171 | ||
172 | config HIGHMEM | |
173 | bool "High memory support" | |
174 | depends on PPC32 | |
175 | ||
1ad74998 | 176 | source kernel/time/Kconfig |
14cf11af PM |
177 | source kernel/Kconfig.hz |
178 | source kernel/Kconfig.preempt | |
179 | source "fs/Kconfig.binfmt" | |
180 | ||
181 | # We optimistically allocate largepages from the VM, so make the limit | |
182 | # large enough (16MB). This badly named config option is actually | |
183 | # max order + 1 | |
184 | config FORCE_MAX_ZONEORDER | |
185 | int | |
186 | depends on PPC64 | |
02864867 | 187 | default "9" if PPC_64K_PAGES |
14cf11af PM |
188 | default "13" |
189 | ||
190 | config MATH_EMULATION | |
191 | bool "Math emulation" | |
4d52719a | 192 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
14cf11af PM |
193 | ---help--- |
194 | Some PowerPC chips designed for embedded applications do not have | |
195 | a floating-point unit and therefore do not implement the | |
196 | floating-point instructions in the PowerPC instruction set. If you | |
197 | say Y here, the kernel will include code to emulate a floating-point | |
198 | unit, which will allow programs that use floating-point | |
199 | instructions to run. | |
200 | ||
5dd57a13 SW |
201 | config 8XX_MINIMAL_FPEMU |
202 | bool "Minimal math emulation for 8xx" | |
203 | depends on 8xx && !MATH_EMULATION | |
204 | help | |
205 | Older arch/ppc kernels still emulated a few floating point | |
206 | instructions such as load and store, even when full math | |
207 | emulation is disabled. Say "Y" here if you want to preserve | |
208 | this behavior. | |
209 | ||
210 | It is recommended that you build a soft-float userspace instead. | |
211 | ||
14cf11af | 212 | config IOMMU_VMERGE |
768cc2d3 LV |
213 | bool "Enable IOMMU virtual merging" |
214 | depends on PPC64 | |
215 | default y | |
14cf11af PM |
216 | help |
217 | Cause IO segments sent to a device for DMA to be merged virtually | |
218 | by the IOMMU when they happen to have been allocated contiguously. | |
219 | This doesn't add pressure to the IOMMU allocator. However, some | |
220 | drivers don't support getting large merged segments coming back | |
768cc2d3 LV |
221 | from *_map_sg(). |
222 | ||
223 | Most drivers don't have this problem; it is safe to say Y here. | |
14cf11af PM |
224 | |
225 | config HOTPLUG_CPU | |
226 | bool "Support for enabling/disabling CPUs" | |
227 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) | |
228 | ---help--- | |
229 | Say Y here to be able to disable and re-enable individual | |
230 | CPUs at runtime on SMP machines. | |
231 | ||
232 | Say N if you are unsure. | |
233 | ||
cc57637b YG |
234 | config ARCH_ENABLE_MEMORY_HOTPLUG |
235 | def_bool y | |
236 | ||
14cf11af PM |
237 | config KEXEC |
238 | bool "kexec system call (EXPERIMENTAL)" | |
fd4ba7e2 | 239 | depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL |
14cf11af PM |
240 | help |
241 | kexec is a system call that implements the ability to shutdown your | |
242 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 243 | but it is independent of the system firmware. And like a reboot |
14cf11af PM |
244 | you can start any kernel with it, not just Linux. |
245 | ||
1f1332f7 | 246 | The name comes from the similarity to the exec system call. |
14cf11af PM |
247 | |
248 | It is an ongoing process to be certain the hardware in a machine | |
249 | is properly shutdown, so do not be surprised if this code does not | |
250 | initially work for you. It may help to enable device hotplugging | |
251 | support. As of this writing the exact hardware interface is | |
252 | strongly in flux, so no good recommendation can be made. | |
253 | ||
e8625d46 | 254 | config CRASH_DUMP |
cd9c99d7 | 255 | bool "Build a kdump crash kernel (EXPERIMENTAL)" |
e8625d46 HM |
256 | depends on PPC_MULTIPLATFORM && PPC64 && EXPERIMENTAL |
257 | help | |
258 | Build a kernel suitable for use as a kdump capture kernel. | |
259 | The kernel will be linked at a different address than normal, and | |
260 | so can only be used for Kdump. | |
261 | ||
262 | Don't change this unless you know what you are doing. | |
263 | ||
14cf11af PM |
264 | config PPCBUG_NVRAM |
265 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC | |
266 | default y if PPC_PREP | |
267 | ||
268 | config IRQ_ALL_CPUS | |
269 | bool "Distribute interrupts on all CPUs by default" | |
270 | depends on SMP && !MV64360 | |
271 | help | |
272 | This option gives the kernel permission to distribute IRQs across | |
273 | multiple CPUs. Saying N here will route all IRQs to the first | |
274 | CPU. Generally saying Y is safe, although some problems have been | |
275 | reported with SMP Power Macintoshes with this option enabled. | |
276 | ||
ffa27b6b AW |
277 | config NUMA |
278 | bool "NUMA support" | |
279 | depends on PPC64 | |
280 | default y if SMP && PPC_PSERIES | |
281 | ||
c80d79d7 YG |
282 | config NODES_SHIFT |
283 | int | |
284 | default "4" | |
285 | depends on NEED_MULTIPLE_NODES | |
286 | ||
14cf11af PM |
287 | config ARCH_SELECT_MEMORY_MODEL |
288 | def_bool y | |
289 | depends on PPC64 | |
290 | ||
291 | config ARCH_FLATMEM_ENABLE | |
9100b205 AW |
292 | def_bool y |
293 | depends on (PPC64 && !NUMA) || PPC32 | |
14cf11af | 294 | |
45fb6cea | 295 | config ARCH_SPARSEMEM_ENABLE |
14cf11af | 296 | def_bool y |
9100b205 | 297 | depends on PPC64 |
14cf11af | 298 | |
45fb6cea | 299 | config ARCH_SPARSEMEM_DEFAULT |
14cf11af | 300 | def_bool y |
78bde53e | 301 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
14cf11af | 302 | |
c67c3cb4 | 303 | config ARCH_POPULATES_NODE_MAP |
14cf11af | 304 | def_bool y |
c67c3cb4 MG |
305 | |
306 | source "mm/Kconfig" | |
14cf11af | 307 | |
7e9191da MK |
308 | config ARCH_MEMORY_PROBE |
309 | def_bool y | |
310 | depends on MEMORY_HOTPLUG | |
311 | ||
75167957 AW |
312 | # Some NUMA nodes have memory ranges that span |
313 | # other nodes. Even though a pfn is valid and | |
314 | # between a node's start and end pfns, it may not | |
315 | # reside on that node. See memmap_init_zone() | |
316 | # for details. | |
317 | config NODES_SPAN_OTHER_NODES | |
318 | def_bool y | |
319 | depends on NEED_MULTIPLE_NODES | |
320 | ||
16c2d476 BH |
321 | config PPC_HAS_HASH_64K |
322 | bool | |
323 | depends on PPC64 | |
324 | default n | |
325 | ||
3c726f8d BH |
326 | config PPC_64K_PAGES |
327 | bool "64k page size" | |
863c84b9 | 328 | depends on PPC64 |
16c2d476 | 329 | select PPC_HAS_HASH_64K |
3c726f8d BH |
330 | help |
331 | This option changes the kernel logical page size to 64k. On machines | |
98750261 KG |
332 | without processor support for 64k pages, the kernel will simulate |
333 | them by loading each individual 4k page on demand transparently, | |
334 | while on hardware with such support, it will be used to map | |
335 | normal application pages. | |
3c726f8d | 336 | |
14cf11af PM |
337 | config SCHED_SMT |
338 | bool "SMT (Hyperthreading) scheduler support" | |
339 | depends on PPC64 && SMP | |
14cf11af PM |
340 | help |
341 | SMT scheduler support improves the CPU scheduler's decision making | |
342 | when dealing with POWER5 cpus at a cost of slightly increased | |
343 | overhead in some places. If unsure say N here. | |
344 | ||
345 | config PROC_DEVICETREE | |
5f296755 PM |
346 | bool "Support for device tree in /proc" |
347 | depends on PROC_FS | |
14cf11af PM |
348 | help |
349 | This option adds a device-tree directory under /proc which contains | |
350 | an image of the device tree that the kernel copies from Open | |
5f296755 | 351 | Firmware or other boot firmware. If unsure, say Y here. |
14cf11af | 352 | |
14cf11af PM |
353 | config CMDLINE_BOOL |
354 | bool "Default bootloader kernel arguments" | |
14cf11af PM |
355 | |
356 | config CMDLINE | |
357 | string "Initial kernel command string" | |
358 | depends on CMDLINE_BOOL | |
359 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" | |
360 | help | |
361 | On some platforms, there is currently no way for the boot loader to | |
362 | pass arguments to the kernel. For these platforms, you can supply | |
363 | some command-line options at build time by entering them here. In | |
364 | most cases you will need to specify the root device here. | |
365 | ||
366 | if !44x || BROKEN | |
367 | source kernel/power/Kconfig | |
368 | endif | |
369 | ||
370 | config SECCOMP | |
371 | bool "Enable seccomp to safely compute untrusted bytecode" | |
372 | depends on PROC_FS | |
373 | default y | |
374 | help | |
375 | This kernel feature is useful for number crunching applications | |
376 | that may need to compute untrusted bytecode during their | |
377 | execution. By using pipes or other transports made available to | |
378 | the process as file descriptors supporting the read/write | |
379 | syscalls, it's possible to isolate those applications in | |
380 | their own address space using seccomp. Once seccomp is | |
381 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
382 | and the task is only allowed to execute a few safe syscalls | |
383 | defined by each seccomp mode. | |
384 | ||
385 | If unsure, say Y. Only embedded should say N here. | |
386 | ||
270429ba SW |
387 | config WANT_DEVICE_TREE |
388 | bool | |
389 | default n | |
390 | ||
391 | config DEVICE_TREE | |
392 | string "Static device tree source file" | |
393 | depends on WANT_DEVICE_TREE | |
394 | help | |
395 | This specifies the device tree source (.dts) file to be | |
396 | compiled and included when building the bootwrapper. If a | |
397 | relative filename is given, then it will be relative to | |
398 | arch/powerpc/boot/dts. If you are not using the bootwrapper, | |
399 | or do not need to build a dts into the bootwrapper, this | |
400 | field is ignored. | |
401 | ||
402 | For example, this is required when building a cuImage target | |
403 | for an older U-Boot, which cannot pass a device tree itself. | |
404 | Such a kernel will not work with a newer U-Boot that tries to | |
405 | pass a device tree (unless you tell it not to). If your U-Boot | |
406 | does not mention a device tree in "help bootm", then use the | |
407 | cuImage target and specify a device tree here. Otherwise, use | |
408 | the uImage target and leave this field blank. | |
409 | ||
14cf11af PM |
410 | endmenu |
411 | ||
412 | config ISA_DMA_API | |
413 | bool | |
414 | default y | |
415 | ||
416 | menu "Bus options" | |
417 | ||
418 | config ISA | |
419 | bool "Support for ISA-bus hardware" | |
420 | depends on PPC_PREP || PPC_CHRP | |
f9bd170a | 421 | select PPC_I8259 |
14cf11af PM |
422 | help |
423 | Find out whether you have ISA slots on your motherboard. ISA is the | |
424 | name of a bus system, i.e. the way the CPU talks to the other stuff | |
425 | inside your box. If you have an Apple machine, say N here; if you | |
426 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If | |
427 | you have an embedded board, consult your board documentation. | |
428 | ||
5ac6da66 CL |
429 | config ZONE_DMA |
430 | bool | |
431 | default y | |
432 | ||
14cf11af PM |
433 | config GENERIC_ISA_DMA |
434 | bool | |
435 | depends on PPC64 || POWER4 || 6xx && !CPM2 | |
436 | default y | |
437 | ||
25635c71 PM |
438 | config PPC_INDIRECT_PCI |
439 | bool | |
440 | depends on PCI | |
63dafe57 | 441 | default y if 40x || 44x |
25635c71 PM |
442 | default n |
443 | ||
14cf11af PM |
444 | config EISA |
445 | bool | |
446 | ||
447 | config SBUS | |
448 | bool | |
449 | ||
08264cbc KG |
450 | config FSL_SOC |
451 | bool | |
452 | ||
55c44991 RZ |
453 | config FSL_PCI |
454 | bool | |
455 | select PPC_INDIRECT_PCI | |
456 | ||
14cf11af PM |
457 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
458 | config MCA | |
459 | bool | |
460 | ||
461 | config PCI | |
53158620 | 462 | bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ |
bed59275 | 463 | || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ |
d3c7ffab | 464 | || PPC_PS3 |
f21f49ea | 465 | default y if !40x && !CPM2 && !8xx && !PPC_83xx \ |
53158620 | 466 | && !PPC_85xx && !PPC_86xx |
f21f49ea | 467 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx |
14cf11af | 468 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
df87ef55 | 469 | select ARCH_SUPPORTS_MSI |
14cf11af PM |
470 | help |
471 | Find out whether your system includes a PCI bus. PCI is the name of | |
472 | a bus system, i.e. the way the CPU talks to the other stuff inside | |
473 | your box. If you say Y here, the kernel will include drivers and | |
474 | infrastructure code to support PCI bus devices. | |
475 | ||
476 | config PCI_DOMAINS | |
36e23590 MW |
477 | def_bool PCI |
478 | ||
479 | config PCI_SYSCALL | |
480 | def_bool PCI | |
14cf11af | 481 | |
14cf11af PM |
482 | config PCI_QSPAN |
483 | bool "QSpan PCI" | |
484 | depends on !4xx && !CPM2 && 8xx | |
f9bd170a | 485 | select PPC_I8259 |
14cf11af PM |
486 | help |
487 | Say Y here if you have a system based on a Motorola 8xx-series | |
488 | embedded processor with a QSPAN PCI interface, otherwise say N. | |
489 | ||
490 | config PCI_8260 | |
491 | bool | |
492 | depends on PCI && 8260 | |
25635c71 | 493 | select PPC_INDIRECT_PCI |
14cf11af PM |
494 | default y |
495 | ||
496 | config 8260_PCI9 | |
4a3ecc62 | 497 | bool "Enable workaround for MPC826x erratum PCI 9" |
e00c5498 | 498 | depends on PCI_8260 && !8272 |
14cf11af PM |
499 | default y |
500 | ||
501 | choice | |
4a3ecc62 | 502 | prompt "IDMA channel for PCI 9 workaround" |
14cf11af PM |
503 | depends on 8260_PCI9 |
504 | ||
505 | config 8260_PCI9_IDMA1 | |
506 | bool "IDMA1" | |
507 | ||
508 | config 8260_PCI9_IDMA2 | |
509 | bool "IDMA2" | |
510 | ||
511 | config 8260_PCI9_IDMA3 | |
512 | bool "IDMA3" | |
513 | ||
514 | config 8260_PCI9_IDMA4 | |
515 | bool "IDMA4" | |
516 | ||
517 | endchoice | |
518 | ||
bb53bb3d JM |
519 | source "drivers/pci/pcie/Kconfig" |
520 | ||
14cf11af PM |
521 | source "drivers/pci/Kconfig" |
522 | ||
523 | source "drivers/pcmcia/Kconfig" | |
524 | ||
525 | source "drivers/pci/hotplug/Kconfig" | |
526 | ||
527 | endmenu | |
528 | ||
529 | menu "Advanced setup" | |
530 | depends on PPC32 | |
531 | ||
532 | config ADVANCED_OPTIONS | |
533 | bool "Prompt for advanced kernel configuration options" | |
534 | help | |
535 | This option will enable prompting for a variety of advanced kernel | |
536 | configuration options. These options can cause the kernel to not | |
537 | work if they are set incorrectly, but can be used to optimize certain | |
538 | aspects of kernel memory management. | |
539 | ||
540 | Unless you know what you are doing, say N here. | |
541 | ||
542 | comment "Default settings for advanced configuration options are used" | |
543 | depends on !ADVANCED_OPTIONS | |
544 | ||
545 | config HIGHMEM_START_BOOL | |
546 | bool "Set high memory pool address" | |
547 | depends on ADVANCED_OPTIONS && HIGHMEM | |
548 | help | |
549 | This option allows you to set the base address of the kernel virtual | |
550 | area used to map high memory pages. This can be useful in | |
551 | optimizing the layout of kernel virtual memory. | |
552 | ||
553 | Say N here unless you know what you are doing. | |
554 | ||
555 | config HIGHMEM_START | |
556 | hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL | |
557 | default "0xfe000000" | |
558 | ||
559 | config LOWMEM_SIZE_BOOL | |
560 | bool "Set maximum low memory" | |
561 | depends on ADVANCED_OPTIONS | |
562 | help | |
563 | This option allows you to set the maximum amount of memory which | |
564 | will be used as "low memory", that is, memory which the kernel can | |
565 | access directly, without having to set up a kernel virtual mapping. | |
566 | This can be useful in optimizing the layout of kernel virtual | |
567 | memory. | |
568 | ||
569 | Say N here unless you know what you are doing. | |
570 | ||
571 | config LOWMEM_SIZE | |
572 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL | |
573 | default "0x30000000" | |
574 | ||
575 | config KERNEL_START_BOOL | |
576 | bool "Set custom kernel base address" | |
577 | depends on ADVANCED_OPTIONS | |
578 | help | |
579 | This option allows you to set the kernel virtual address at which | |
580 | the kernel will map low memory (the kernel image will be linked at | |
581 | this address). This can be useful in optimizing the virtual memory | |
582 | layout of the system. | |
583 | ||
584 | Say N here unless you know what you are doing. | |
585 | ||
586 | config KERNEL_START | |
587 | hex "Virtual address of kernel base" if KERNEL_START_BOOL | |
588 | default "0xc0000000" | |
589 | ||
590 | config TASK_SIZE_BOOL | |
591 | bool "Set custom user task size" | |
592 | depends on ADVANCED_OPTIONS | |
593 | help | |
594 | This option allows you to set the amount of virtual address space | |
595 | allocated to user tasks. This can be useful in optimizing the | |
596 | virtual memory layout of the system. | |
597 | ||
598 | Say N here unless you know what you are doing. | |
599 | ||
600 | config TASK_SIZE | |
601 | hex "Size of user task space" if TASK_SIZE_BOOL | |
4d9e5510 KG |
602 | default "0x80000000" if PPC_PREP || PPC_8xx |
603 | default "0xc0000000" | |
14cf11af PM |
604 | |
605 | config CONSISTENT_START_BOOL | |
606 | bool "Set custom consistent memory pool address" | |
607 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
608 | help | |
609 | This option allows you to set the base virtual address | |
4b3f686d | 610 | of the consistent memory pool. This pool of virtual |
14cf11af PM |
611 | memory is used to make consistent memory allocations. |
612 | ||
613 | config CONSISTENT_START | |
614 | hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL | |
ccf0d68e | 615 | default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx) |
14cf11af PM |
616 | default "0xff100000" if NOT_COHERENT_CACHE |
617 | ||
618 | config CONSISTENT_SIZE_BOOL | |
619 | bool "Set custom consistent memory pool size" | |
620 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
621 | help | |
4b3f686d | 622 | This option allows you to set the size of the |
14cf11af PM |
623 | consistent memory pool. This pool of virtual memory |
624 | is used to make consistent memory allocations. | |
625 | ||
626 | config CONSISTENT_SIZE | |
627 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL | |
628 | default "0x00200000" if NOT_COHERENT_CACHE | |
629 | ||
630 | config BOOT_LOAD_BOOL | |
631 | bool "Set the boot link/load address" | |
632 | depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM | |
633 | help | |
634 | This option allows you to set the initial load address of the zImage | |
635 | or zImage.initrd file. This can be useful if you are on a board | |
636 | which has a small amount of memory. | |
637 | ||
638 | Say N here unless you know what you are doing. | |
639 | ||
640 | config BOOT_LOAD | |
641 | hex "Link/load address for booting" if BOOT_LOAD_BOOL | |
642 | default "0x00400000" if 40x || 8xx || 8260 | |
643 | default "0x01000000" if 44x | |
644 | default "0x00800000" | |
645 | ||
646 | config PIN_TLB | |
647 | bool "Pinned Kernel TLBs (860 ONLY)" | |
648 | depends on ADVANCED_OPTIONS && 8xx | |
649 | endmenu | |
650 | ||
cabb5587 SR |
651 | if PPC64 |
652 | config KERNEL_START | |
653 | hex | |
eeb2d218 | 654 | default "0xc000000000000000" |
cabb5587 SR |
655 | endif |
656 | ||
14cf11af PM |
657 | source "net/Kconfig" |
658 | ||
659 | source "drivers/Kconfig" | |
660 | ||
661 | source "fs/Kconfig" | |
662 | ||
663 | # XXX source "arch/ppc/8xx_io/Kconfig" | |
664 | ||
665 | # XXX source "arch/ppc/8260_io/Kconfig" | |
666 | ||
98658538 LY |
667 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
668 | ||
14cf11af PM |
669 | source "lib/Kconfig" |
670 | ||
cd6b0762 | 671 | menu "Instrumentation Support" |
98750261 | 672 | depends on EXPERIMENTAL |
cd6b0762 | 673 | |
14cf11af PM |
674 | source "arch/powerpc/oprofile/Kconfig" |
675 | ||
cd6b0762 | 676 | config KPROBES |
87a7defb AM |
677 | bool "Kprobes" |
678 | depends on !BOOKE && !4xx && KALLSYMS && MODULES | |
cd6b0762 PP |
679 | help |
680 | Kprobes allows you to trap at almost any kernel address and | |
681 | execute a callback function. register_kprobe() establishes | |
682 | a probepoint and specifies the callback. Kprobes is useful | |
683 | for kernel debugging, non-intrusive instrumentation and testing. | |
684 | If in doubt, say "N". | |
685 | endmenu | |
686 | ||
14cf11af PM |
687 | source "arch/powerpc/Kconfig.debug" |
688 | ||
689 | source "security/Kconfig" | |
690 | ||
691 | config KEYS_COMPAT | |
692 | bool | |
693 | depends on COMPAT && KEYS | |
694 | default y | |
695 | ||
696 | source "crypto/Kconfig" | |
6f668280 DP |
697 | |
698 | config PPC_CLOCK | |
699 | bool | |
700 | default n |