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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" |
14cf11af | 8 | |
17e638bc JB |
9 | config PPC_PM_NEEDS_RTC_LIB |
10 | bool | |
11 | select RTC_LIB | |
12 | default y if PM | |
13 | ||
14cf11af PM |
14 | config PPC32 |
15 | bool | |
16 | default y if !PPC64 | |
17 | ||
18 | config 64BIT | |
19 | bool | |
20 | default y if PPC64 | |
21 | ||
22 | config PPC_MERGE | |
23 | def_bool y | |
24 | ||
25 | config MMU | |
26 | bool | |
27 | default y | |
28 | ||
14cf11af PM |
29 | config GENERIC_HARDIRQS |
30 | bool | |
31 | default y | |
32 | ||
0d7012a9 IM |
33 | config IRQ_PER_CPU |
34 | bool | |
35 | default y | |
36 | ||
14cf11af PM |
37 | config RWSEM_GENERIC_SPINLOCK |
38 | bool | |
39 | ||
40 | config RWSEM_XCHGADD_ALGORITHM | |
41 | bool | |
42 | default y | |
43 | ||
f0d1b0b3 DH |
44 | config ARCH_HAS_ILOG2_U32 |
45 | bool | |
ef55d53c | 46 | default y |
f0d1b0b3 DH |
47 | |
48 | config ARCH_HAS_ILOG2_U64 | |
49 | bool | |
ef55d53c | 50 | default y if 64BIT |
f0d1b0b3 | 51 | |
e779b2f9 AM |
52 | config GENERIC_HWEIGHT |
53 | bool | |
54 | default y | |
55 | ||
14cf11af PM |
56 | config GENERIC_CALIBRATE_DELAY |
57 | bool | |
58 | default y | |
59 | ||
0a9cb46a JM |
60 | config GENERIC_FIND_NEXT_BIT |
61 | bool | |
62 | default y | |
63 | ||
14cf11af PM |
64 | config PPC |
65 | bool | |
66 | default y | |
67 | ||
68 | config EARLY_PRINTK | |
69 | bool | |
51d3082f | 70 | default y |
14cf11af PM |
71 | |
72 | config COMPAT | |
73 | bool | |
74 | default y if PPC64 | |
75 | ||
76 | config SYSVIPC_COMPAT | |
77 | bool | |
78 | depends on COMPAT && SYSVIPC | |
79 | default y | |
80 | ||
81 | # All PPC32s use generic nvram driver through ppc_md | |
82 | config GENERIC_NVRAM | |
83 | bool | |
84 | default y if PPC32 | |
85 | ||
86 | config SCHED_NO_NO_OMIT_FRAME_POINTER | |
87 | bool | |
88 | default y | |
89 | ||
90 | config ARCH_MAY_HAVE_PC_FDC | |
91 | bool | |
bed59275 | 92 | default !PPC_PSERIES || PCI |
14cf11af | 93 | |
08264cbc KG |
94 | config PPC_OF |
95 | def_bool y | |
96 | ||
97 | config PPC_UDBG_16550 | |
98 | bool | |
99 | default n | |
100 | ||
08264cbc KG |
101 | config GENERIC_TBSYNC |
102 | bool | |
103 | default y if PPC32 && SMP | |
104 | default n | |
105 | ||
e65e1fc2 AV |
106 | config AUDIT_ARCH |
107 | bool | |
108 | default y | |
109 | ||
73c9ceab JF |
110 | config GENERIC_BUG |
111 | bool | |
112 | default y | |
113 | depends on BUG | |
114 | ||
b3028878 | 115 | config SYS_SUPPORTS_APM_EMULATION |
58da10bb | 116 | default y if PMAC_APM_EMU |
b3028878 JB |
117 | bool |
118 | ||
f4fc4a5b KG |
119 | config DEFAULT_UIMAGE |
120 | bool | |
121 | help | |
122 | Used to allow a board to specify it wants a uImage built by default | |
123 | default n | |
124 | ||
543b9fd3 JB |
125 | config PPC64_SWSUSP |
126 | bool | |
127 | depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) | |
128 | default y | |
129 | ||
4c75a6f4 BH |
130 | config PPC_DCR_NATIVE |
131 | bool | |
132 | default n | |
133 | ||
134 | config PPC_DCR_MMIO | |
135 | bool | |
136 | default n | |
137 | ||
138 | config PPC_DCR | |
139 | bool | |
140 | depends on PPC_DCR_NATIVE || PPC_DCR_MMIO | |
141 | default y | |
142 | ||
4c9d2800 BH |
143 | config PPC_OF_PLATFORM_PCI |
144 | bool | |
145 | depends on PPC64 # not supported on 32 bits yet | |
146 | default n | |
147 | ||
14cf11af PM |
148 | source "init/Kconfig" |
149 | ||
4330f5da | 150 | source "arch/powerpc/platforms/Kconfig" |
14cf11af | 151 | |
14cf11af PM |
152 | menu "Kernel options" |
153 | ||
154 | config HIGHMEM | |
155 | bool "High memory support" | |
156 | depends on PPC32 | |
157 | ||
158 | source kernel/Kconfig.hz | |
159 | source kernel/Kconfig.preempt | |
160 | source "fs/Kconfig.binfmt" | |
161 | ||
162 | # We optimistically allocate largepages from the VM, so make the limit | |
163 | # large enough (16MB). This badly named config option is actually | |
164 | # max order + 1 | |
165 | config FORCE_MAX_ZONEORDER | |
166 | int | |
167 | depends on PPC64 | |
02864867 | 168 | default "9" if PPC_64K_PAGES |
14cf11af PM |
169 | default "13" |
170 | ||
171 | config MATH_EMULATION | |
172 | bool "Math emulation" | |
4d52719a | 173 | depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 |
14cf11af PM |
174 | ---help--- |
175 | Some PowerPC chips designed for embedded applications do not have | |
176 | a floating-point unit and therefore do not implement the | |
177 | floating-point instructions in the PowerPC instruction set. If you | |
178 | say Y here, the kernel will include code to emulate a floating-point | |
179 | unit, which will allow programs that use floating-point | |
180 | instructions to run. | |
181 | ||
182 | config IOMMU_VMERGE | |
183 | bool "Enable IOMMU virtual merging (EXPERIMENTAL)" | |
184 | depends on EXPERIMENTAL && PPC64 | |
185 | default n | |
186 | help | |
187 | Cause IO segments sent to a device for DMA to be merged virtually | |
188 | by the IOMMU when they happen to have been allocated contiguously. | |
189 | This doesn't add pressure to the IOMMU allocator. However, some | |
190 | drivers don't support getting large merged segments coming back | |
191 | from *_map_sg(). Say Y if you know the drivers you are using are | |
192 | properly handling this case. | |
193 | ||
194 | config HOTPLUG_CPU | |
195 | bool "Support for enabling/disabling CPUs" | |
196 | depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) | |
197 | ---help--- | |
198 | Say Y here to be able to disable and re-enable individual | |
199 | CPUs at runtime on SMP machines. | |
200 | ||
201 | Say N if you are unsure. | |
202 | ||
cc57637b YG |
203 | config ARCH_ENABLE_MEMORY_HOTPLUG |
204 | def_bool y | |
205 | ||
14cf11af PM |
206 | config KEXEC |
207 | bool "kexec system call (EXPERIMENTAL)" | |
fd4ba7e2 | 208 | depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL |
14cf11af PM |
209 | help |
210 | kexec is a system call that implements the ability to shutdown your | |
211 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 212 | but it is independent of the system firmware. And like a reboot |
14cf11af PM |
213 | you can start any kernel with it, not just Linux. |
214 | ||
1f1332f7 | 215 | The name comes from the similarity to the exec system call. |
14cf11af PM |
216 | |
217 | It is an ongoing process to be certain the hardware in a machine | |
218 | is properly shutdown, so do not be surprised if this code does not | |
219 | initially work for you. It may help to enable device hotplugging | |
220 | support. As of this writing the exact hardware interface is | |
221 | strongly in flux, so no good recommendation can be made. | |
222 | ||
e8625d46 | 223 | config CRASH_DUMP |
cd9c99d7 | 224 | bool "Build a kdump crash kernel (EXPERIMENTAL)" |
e8625d46 HM |
225 | depends on PPC_MULTIPLATFORM && PPC64 && EXPERIMENTAL |
226 | help | |
227 | Build a kernel suitable for use as a kdump capture kernel. | |
228 | The kernel will be linked at a different address than normal, and | |
229 | so can only be used for Kdump. | |
230 | ||
231 | Don't change this unless you know what you are doing. | |
232 | ||
14cf11af PM |
233 | config PPCBUG_NVRAM |
234 | bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC | |
235 | default y if PPC_PREP | |
236 | ||
237 | config IRQ_ALL_CPUS | |
238 | bool "Distribute interrupts on all CPUs by default" | |
239 | depends on SMP && !MV64360 | |
240 | help | |
241 | This option gives the kernel permission to distribute IRQs across | |
242 | multiple CPUs. Saying N here will route all IRQs to the first | |
243 | CPU. Generally saying Y is safe, although some problems have been | |
244 | reported with SMP Power Macintoshes with this option enabled. | |
245 | ||
ffa27b6b AW |
246 | config NUMA |
247 | bool "NUMA support" | |
248 | depends on PPC64 | |
249 | default y if SMP && PPC_PSERIES | |
250 | ||
c80d79d7 YG |
251 | config NODES_SHIFT |
252 | int | |
253 | default "4" | |
254 | depends on NEED_MULTIPLE_NODES | |
255 | ||
14cf11af PM |
256 | config ARCH_SELECT_MEMORY_MODEL |
257 | def_bool y | |
258 | depends on PPC64 | |
259 | ||
260 | config ARCH_FLATMEM_ENABLE | |
9100b205 AW |
261 | def_bool y |
262 | depends on (PPC64 && !NUMA) || PPC32 | |
14cf11af | 263 | |
45fb6cea | 264 | config ARCH_SPARSEMEM_ENABLE |
14cf11af | 265 | def_bool y |
9100b205 | 266 | depends on PPC64 |
14cf11af | 267 | |
45fb6cea | 268 | config ARCH_SPARSEMEM_DEFAULT |
14cf11af | 269 | def_bool y |
78bde53e | 270 | depends on (SMP && PPC_PSERIES) || PPC_PS3 |
14cf11af | 271 | |
c67c3cb4 | 272 | config ARCH_POPULATES_NODE_MAP |
14cf11af | 273 | def_bool y |
c67c3cb4 MG |
274 | |
275 | source "mm/Kconfig" | |
14cf11af | 276 | |
7e9191da MK |
277 | config ARCH_MEMORY_PROBE |
278 | def_bool y | |
279 | depends on MEMORY_HOTPLUG | |
280 | ||
75167957 AW |
281 | # Some NUMA nodes have memory ranges that span |
282 | # other nodes. Even though a pfn is valid and | |
283 | # between a node's start and end pfns, it may not | |
284 | # reside on that node. See memmap_init_zone() | |
285 | # for details. | |
286 | config NODES_SPAN_OTHER_NODES | |
287 | def_bool y | |
288 | depends on NEED_MULTIPLE_NODES | |
289 | ||
16c2d476 BH |
290 | config PPC_HAS_HASH_64K |
291 | bool | |
292 | depends on PPC64 | |
293 | default n | |
294 | ||
3c726f8d BH |
295 | config PPC_64K_PAGES |
296 | bool "64k page size" | |
863c84b9 | 297 | depends on PPC64 |
16c2d476 | 298 | select PPC_HAS_HASH_64K |
3c726f8d BH |
299 | help |
300 | This option changes the kernel logical page size to 64k. On machines | |
98750261 KG |
301 | without processor support for 64k pages, the kernel will simulate |
302 | them by loading each individual 4k page on demand transparently, | |
303 | while on hardware with such support, it will be used to map | |
304 | normal application pages. | |
3c726f8d | 305 | |
14cf11af PM |
306 | config SCHED_SMT |
307 | bool "SMT (Hyperthreading) scheduler support" | |
308 | depends on PPC64 && SMP | |
14cf11af PM |
309 | help |
310 | SMT scheduler support improves the CPU scheduler's decision making | |
311 | when dealing with POWER5 cpus at a cost of slightly increased | |
312 | overhead in some places. If unsure say N here. | |
313 | ||
314 | config PROC_DEVICETREE | |
5f296755 PM |
315 | bool "Support for device tree in /proc" |
316 | depends on PROC_FS | |
14cf11af PM |
317 | help |
318 | This option adds a device-tree directory under /proc which contains | |
319 | an image of the device tree that the kernel copies from Open | |
5f296755 | 320 | Firmware or other boot firmware. If unsure, say Y here. |
14cf11af | 321 | |
14cf11af PM |
322 | config CMDLINE_BOOL |
323 | bool "Default bootloader kernel arguments" | |
14cf11af PM |
324 | |
325 | config CMDLINE | |
326 | string "Initial kernel command string" | |
327 | depends on CMDLINE_BOOL | |
328 | default "console=ttyS0,9600 console=tty0 root=/dev/sda2" | |
329 | help | |
330 | On some platforms, there is currently no way for the boot loader to | |
331 | pass arguments to the kernel. For these platforms, you can supply | |
332 | some command-line options at build time by entering them here. In | |
333 | most cases you will need to specify the root device here. | |
334 | ||
335 | if !44x || BROKEN | |
336 | source kernel/power/Kconfig | |
337 | endif | |
338 | ||
339 | config SECCOMP | |
340 | bool "Enable seccomp to safely compute untrusted bytecode" | |
341 | depends on PROC_FS | |
342 | default y | |
343 | help | |
344 | This kernel feature is useful for number crunching applications | |
345 | that may need to compute untrusted bytecode during their | |
346 | execution. By using pipes or other transports made available to | |
347 | the process as file descriptors supporting the read/write | |
348 | syscalls, it's possible to isolate those applications in | |
349 | their own address space using seccomp. Once seccomp is | |
350 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
351 | and the task is only allowed to execute a few safe syscalls | |
352 | defined by each seccomp mode. | |
353 | ||
354 | If unsure, say Y. Only embedded should say N here. | |
355 | ||
270429ba SW |
356 | config WANT_DEVICE_TREE |
357 | bool | |
358 | default n | |
359 | ||
360 | config DEVICE_TREE | |
361 | string "Static device tree source file" | |
362 | depends on WANT_DEVICE_TREE | |
363 | help | |
364 | This specifies the device tree source (.dts) file to be | |
365 | compiled and included when building the bootwrapper. If a | |
366 | relative filename is given, then it will be relative to | |
367 | arch/powerpc/boot/dts. If you are not using the bootwrapper, | |
368 | or do not need to build a dts into the bootwrapper, this | |
369 | field is ignored. | |
370 | ||
371 | For example, this is required when building a cuImage target | |
372 | for an older U-Boot, which cannot pass a device tree itself. | |
373 | Such a kernel will not work with a newer U-Boot that tries to | |
374 | pass a device tree (unless you tell it not to). If your U-Boot | |
375 | does not mention a device tree in "help bootm", then use the | |
376 | cuImage target and specify a device tree here. Otherwise, use | |
377 | the uImage target and leave this field blank. | |
378 | ||
14cf11af PM |
379 | endmenu |
380 | ||
381 | config ISA_DMA_API | |
382 | bool | |
383 | default y | |
384 | ||
385 | menu "Bus options" | |
386 | ||
387 | config ISA | |
388 | bool "Support for ISA-bus hardware" | |
389 | depends on PPC_PREP || PPC_CHRP | |
f9bd170a | 390 | select PPC_I8259 |
14cf11af PM |
391 | help |
392 | Find out whether you have ISA slots on your motherboard. ISA is the | |
393 | name of a bus system, i.e. the way the CPU talks to the other stuff | |
394 | inside your box. If you have an Apple machine, say N here; if you | |
395 | have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If | |
396 | you have an embedded board, consult your board documentation. | |
397 | ||
5ac6da66 CL |
398 | config ZONE_DMA |
399 | bool | |
400 | default y | |
401 | ||
14cf11af PM |
402 | config GENERIC_ISA_DMA |
403 | bool | |
404 | depends on PPC64 || POWER4 || 6xx && !CPM2 | |
405 | default y | |
406 | ||
25635c71 PM |
407 | config PPC_INDIRECT_PCI |
408 | bool | |
409 | depends on PCI | |
63dafe57 | 410 | default y if 40x || 44x |
25635c71 PM |
411 | default n |
412 | ||
4a89f7fa KG |
413 | config PPC_INDIRECT_PCI_BE |
414 | bool | |
415 | depends PPC_INDIRECT_PCI | |
416 | default n | |
417 | ||
14cf11af PM |
418 | config EISA |
419 | bool | |
420 | ||
421 | config SBUS | |
422 | bool | |
423 | ||
08264cbc KG |
424 | config FSL_SOC |
425 | bool | |
426 | ||
3e4e97f4 JL |
427 | config FSL_PCIE |
428 | bool | |
429 | depends on PPC_86xx | |
430 | ||
14cf11af PM |
431 | # Yes MCA RS/6000s exist but Linux-PPC does not currently support any |
432 | config MCA | |
433 | bool | |
434 | ||
435 | config PCI | |
53158620 | 436 | bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ |
bed59275 | 437 | || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ |
cb9e4d10 | 438 | || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY |
f21f49ea | 439 | default y if !40x && !CPM2 && !8xx && !PPC_83xx \ |
53158620 | 440 | && !PPC_85xx && !PPC_86xx |
f21f49ea | 441 | default PCI_PERMEDIA if !4xx && !CPM2 && !8xx |
14cf11af | 442 | default PCI_QSPAN if !4xx && !CPM2 && 8xx |
df87ef55 | 443 | select ARCH_SUPPORTS_MSI |
14cf11af PM |
444 | help |
445 | Find out whether your system includes a PCI bus. PCI is the name of | |
446 | a bus system, i.e. the way the CPU talks to the other stuff inside | |
447 | your box. If you say Y here, the kernel will include drivers and | |
448 | infrastructure code to support PCI bus devices. | |
449 | ||
450 | config PCI_DOMAINS | |
451 | bool | |
452 | default PCI | |
453 | ||
14cf11af PM |
454 | config PCI_QSPAN |
455 | bool "QSpan PCI" | |
456 | depends on !4xx && !CPM2 && 8xx | |
f9bd170a | 457 | select PPC_I8259 |
14cf11af PM |
458 | help |
459 | Say Y here if you have a system based on a Motorola 8xx-series | |
460 | embedded processor with a QSPAN PCI interface, otherwise say N. | |
461 | ||
462 | config PCI_8260 | |
463 | bool | |
464 | depends on PCI && 8260 | |
25635c71 | 465 | select PPC_INDIRECT_PCI |
14cf11af PM |
466 | default y |
467 | ||
468 | config 8260_PCI9 | |
4a3ecc62 | 469 | bool "Enable workaround for MPC826x erratum PCI 9" |
14cf11af PM |
470 | depends on PCI_8260 && !ADS8272 |
471 | default y | |
472 | ||
473 | choice | |
4a3ecc62 | 474 | prompt "IDMA channel for PCI 9 workaround" |
14cf11af PM |
475 | depends on 8260_PCI9 |
476 | ||
477 | config 8260_PCI9_IDMA1 | |
478 | bool "IDMA1" | |
479 | ||
480 | config 8260_PCI9_IDMA2 | |
481 | bool "IDMA2" | |
482 | ||
483 | config 8260_PCI9_IDMA3 | |
484 | bool "IDMA3" | |
485 | ||
486 | config 8260_PCI9_IDMA4 | |
487 | bool "IDMA4" | |
488 | ||
489 | endchoice | |
490 | ||
bb53bb3d JM |
491 | source "drivers/pci/pcie/Kconfig" |
492 | ||
14cf11af PM |
493 | source "drivers/pci/Kconfig" |
494 | ||
495 | source "drivers/pcmcia/Kconfig" | |
496 | ||
497 | source "drivers/pci/hotplug/Kconfig" | |
498 | ||
499 | endmenu | |
500 | ||
501 | menu "Advanced setup" | |
502 | depends on PPC32 | |
503 | ||
504 | config ADVANCED_OPTIONS | |
505 | bool "Prompt for advanced kernel configuration options" | |
506 | help | |
507 | This option will enable prompting for a variety of advanced kernel | |
508 | configuration options. These options can cause the kernel to not | |
509 | work if they are set incorrectly, but can be used to optimize certain | |
510 | aspects of kernel memory management. | |
511 | ||
512 | Unless you know what you are doing, say N here. | |
513 | ||
514 | comment "Default settings for advanced configuration options are used" | |
515 | depends on !ADVANCED_OPTIONS | |
516 | ||
517 | config HIGHMEM_START_BOOL | |
518 | bool "Set high memory pool address" | |
519 | depends on ADVANCED_OPTIONS && HIGHMEM | |
520 | help | |
521 | This option allows you to set the base address of the kernel virtual | |
522 | area used to map high memory pages. This can be useful in | |
523 | optimizing the layout of kernel virtual memory. | |
524 | ||
525 | Say N here unless you know what you are doing. | |
526 | ||
527 | config HIGHMEM_START | |
528 | hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL | |
529 | default "0xfe000000" | |
530 | ||
531 | config LOWMEM_SIZE_BOOL | |
532 | bool "Set maximum low memory" | |
533 | depends on ADVANCED_OPTIONS | |
534 | help | |
535 | This option allows you to set the maximum amount of memory which | |
536 | will be used as "low memory", that is, memory which the kernel can | |
537 | access directly, without having to set up a kernel virtual mapping. | |
538 | This can be useful in optimizing the layout of kernel virtual | |
539 | memory. | |
540 | ||
541 | Say N here unless you know what you are doing. | |
542 | ||
543 | config LOWMEM_SIZE | |
544 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL | |
545 | default "0x30000000" | |
546 | ||
547 | config KERNEL_START_BOOL | |
548 | bool "Set custom kernel base address" | |
549 | depends on ADVANCED_OPTIONS | |
550 | help | |
551 | This option allows you to set the kernel virtual address at which | |
552 | the kernel will map low memory (the kernel image will be linked at | |
553 | this address). This can be useful in optimizing the virtual memory | |
554 | layout of the system. | |
555 | ||
556 | Say N here unless you know what you are doing. | |
557 | ||
558 | config KERNEL_START | |
559 | hex "Virtual address of kernel base" if KERNEL_START_BOOL | |
560 | default "0xc0000000" | |
561 | ||
562 | config TASK_SIZE_BOOL | |
563 | bool "Set custom user task size" | |
564 | depends on ADVANCED_OPTIONS | |
565 | help | |
566 | This option allows you to set the amount of virtual address space | |
567 | allocated to user tasks. This can be useful in optimizing the | |
568 | virtual memory layout of the system. | |
569 | ||
570 | Say N here unless you know what you are doing. | |
571 | ||
572 | config TASK_SIZE | |
573 | hex "Size of user task space" if TASK_SIZE_BOOL | |
574 | default "0x80000000" | |
575 | ||
576 | config CONSISTENT_START_BOOL | |
577 | bool "Set custom consistent memory pool address" | |
578 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
579 | help | |
580 | This option allows you to set the base virtual address | |
4b3f686d | 581 | of the consistent memory pool. This pool of virtual |
14cf11af PM |
582 | memory is used to make consistent memory allocations. |
583 | ||
584 | config CONSISTENT_START | |
585 | hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL | |
586 | default "0xff100000" if NOT_COHERENT_CACHE | |
587 | ||
588 | config CONSISTENT_SIZE_BOOL | |
589 | bool "Set custom consistent memory pool size" | |
590 | depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE | |
591 | help | |
4b3f686d | 592 | This option allows you to set the size of the |
14cf11af PM |
593 | consistent memory pool. This pool of virtual memory |
594 | is used to make consistent memory allocations. | |
595 | ||
596 | config CONSISTENT_SIZE | |
597 | hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL | |
598 | default "0x00200000" if NOT_COHERENT_CACHE | |
599 | ||
600 | config BOOT_LOAD_BOOL | |
601 | bool "Set the boot link/load address" | |
602 | depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM | |
603 | help | |
604 | This option allows you to set the initial load address of the zImage | |
605 | or zImage.initrd file. This can be useful if you are on a board | |
606 | which has a small amount of memory. | |
607 | ||
608 | Say N here unless you know what you are doing. | |
609 | ||
610 | config BOOT_LOAD | |
611 | hex "Link/load address for booting" if BOOT_LOAD_BOOL | |
612 | default "0x00400000" if 40x || 8xx || 8260 | |
613 | default "0x01000000" if 44x | |
614 | default "0x00800000" | |
615 | ||
616 | config PIN_TLB | |
617 | bool "Pinned Kernel TLBs (860 ONLY)" | |
618 | depends on ADVANCED_OPTIONS && 8xx | |
619 | endmenu | |
620 | ||
cabb5587 SR |
621 | if PPC64 |
622 | config KERNEL_START | |
623 | hex | |
eeb2d218 | 624 | default "0xc000000000000000" |
cabb5587 SR |
625 | endif |
626 | ||
14cf11af PM |
627 | source "net/Kconfig" |
628 | ||
629 | source "drivers/Kconfig" | |
630 | ||
631 | source "fs/Kconfig" | |
632 | ||
633 | # XXX source "arch/ppc/8xx_io/Kconfig" | |
634 | ||
635 | # XXX source "arch/ppc/8260_io/Kconfig" | |
636 | ||
98658538 LY |
637 | source "arch/powerpc/sysdev/qe_lib/Kconfig" |
638 | ||
14cf11af PM |
639 | source "lib/Kconfig" |
640 | ||
cd6b0762 | 641 | menu "Instrumentation Support" |
98750261 | 642 | depends on EXPERIMENTAL |
cd6b0762 | 643 | |
14cf11af PM |
644 | source "arch/powerpc/oprofile/Kconfig" |
645 | ||
cd6b0762 PP |
646 | config KPROBES |
647 | bool "Kprobes (EXPERIMENTAL)" | |
82090035 | 648 | depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES |
cd6b0762 PP |
649 | help |
650 | Kprobes allows you to trap at almost any kernel address and | |
651 | execute a callback function. register_kprobe() establishes | |
652 | a probepoint and specifies the callback. Kprobes is useful | |
653 | for kernel debugging, non-intrusive instrumentation and testing. | |
654 | If in doubt, say "N". | |
655 | endmenu | |
656 | ||
14cf11af PM |
657 | source "arch/powerpc/Kconfig.debug" |
658 | ||
659 | source "security/Kconfig" | |
660 | ||
661 | config KEYS_COMPAT | |
662 | bool | |
663 | depends on COMPAT && KEYS | |
664 | default y | |
665 | ||
666 | source "crypto/Kconfig" |