Kconfig 22 KB

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  1. # For a description of the syntax of this configuration file,
  2. # see Documentation/kbuild/kconfig-language.txt.
  3. #
  4. mainmenu "Linux/PowerPC Kernel Configuration"
  5. config PPC64
  6. bool "64-bit kernel"
  7. default n
  8. help
  9. This option selects whether a 32-bit or a 64-bit kernel
  10. will be built.
  11. config PPC_PM_NEEDS_RTC_LIB
  12. bool
  13. select RTC_LIB
  14. default y if PM
  15. config PPC32
  16. bool
  17. default y if !PPC64
  18. config 64BIT
  19. bool
  20. default y if PPC64
  21. config PPC_MERGE
  22. def_bool y
  23. config MMU
  24. bool
  25. default y
  26. config GENERIC_HARDIRQS
  27. bool
  28. default y
  29. config IRQ_PER_CPU
  30. bool
  31. default y
  32. config RWSEM_GENERIC_SPINLOCK
  33. bool
  34. config RWSEM_XCHGADD_ALGORITHM
  35. bool
  36. default y
  37. config ARCH_HAS_ILOG2_U32
  38. bool
  39. default y
  40. config ARCH_HAS_ILOG2_U64
  41. bool
  42. default y if 64BIT
  43. config GENERIC_HWEIGHT
  44. bool
  45. default y
  46. config GENERIC_CALIBRATE_DELAY
  47. bool
  48. default y
  49. config GENERIC_FIND_NEXT_BIT
  50. bool
  51. default y
  52. config PPC
  53. bool
  54. default y
  55. config EARLY_PRINTK
  56. bool
  57. default y
  58. config COMPAT
  59. bool
  60. default y if PPC64
  61. config SYSVIPC_COMPAT
  62. bool
  63. depends on COMPAT && SYSVIPC
  64. default y
  65. # All PPC32s use generic nvram driver through ppc_md
  66. config GENERIC_NVRAM
  67. bool
  68. default y if PPC32
  69. config SCHED_NO_NO_OMIT_FRAME_POINTER
  70. bool
  71. default y
  72. config ARCH_MAY_HAVE_PC_FDC
  73. bool
  74. default !PPC_PSERIES || PCI
  75. config PPC_OF
  76. def_bool y
  77. config PPC_UDBG_16550
  78. bool
  79. default n
  80. config GENERIC_TBSYNC
  81. bool
  82. default y if PPC32 && SMP
  83. default n
  84. config AUDIT_ARCH
  85. bool
  86. default y
  87. config GENERIC_BUG
  88. bool
  89. default y
  90. depends on BUG
  91. config DEFAULT_UIMAGE
  92. bool
  93. help
  94. Used to allow a board to specify it wants a uImage built by default
  95. default n
  96. menu "Processor support"
  97. choice
  98. prompt "Processor Type"
  99. depends on PPC32
  100. default 6xx
  101. config CLASSIC32
  102. bool "52xx/6xx/7xx/74xx"
  103. select PPC_FPU
  104. select 6xx
  105. help
  106. There are four families of PowerPC chips supported. The more common
  107. types (601, 603, 604, 740, 750, 7400), the Motorola embedded
  108. versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC
  109. embedded versions (403 and 405) and the high end 64 bit Power
  110. processors (POWER 3, POWER4, and IBM PPC970 also known as G5).
  111. This option is the catch-all for 6xx types, including some of the
  112. embedded versions. Unless there is see an option for the specific
  113. chip family you are using, you want this option.
  114. You do not want this if you are building a kernel for a 64 bit
  115. IBM RS/6000 or an Apple G5, choose 6xx.
  116. If unsure, select this option
  117. Note that the kernel runs in 32-bit mode even on 64-bit chips.
  118. config PPC_82xx
  119. bool "Freescale 82xx"
  120. select 6xx
  121. select PPC_FPU
  122. config PPC_83xx
  123. bool "Freescale 83xx"
  124. select 6xx
  125. select FSL_SOC
  126. select 83xx
  127. select PPC_FPU
  128. select WANT_DEVICE_TREE
  129. config PPC_85xx
  130. bool "Freescale 85xx"
  131. select E500
  132. select FSL_SOC
  133. select 85xx
  134. select WANT_DEVICE_TREE
  135. config PPC_86xx
  136. bool "Freescale 86xx"
  137. select 6xx
  138. select FSL_SOC
  139. select FSL_PCIE
  140. select PPC_FPU
  141. select ALTIVEC
  142. help
  143. The Freescale E600 SoCs have 74xx cores.
  144. config PPC_8xx
  145. bool "Freescale 8xx"
  146. select FSL_SOC
  147. select 8xx
  148. config 40x
  149. bool "AMCC 40x"
  150. select PPC_DCR_NATIVE
  151. config 44x
  152. bool "AMCC 44x"
  153. select PPC_DCR_NATIVE
  154. config E200
  155. bool "Freescale e200"
  156. endchoice
  157. config POWER4_ONLY
  158. bool "Optimize for POWER4"
  159. depends on PPC64
  160. default n
  161. ---help---
  162. Cause the compiler to optimize for POWER4/POWER5/PPC970 processors.
  163. The resulting binary will not work on POWER3 or RS64 processors
  164. when compiled with binutils 2.15 or later.
  165. config POWER3
  166. bool
  167. depends on PPC64
  168. default y if !POWER4_ONLY
  169. config POWER4
  170. depends on PPC64
  171. def_bool y
  172. config 6xx
  173. bool
  174. # this is temp to handle compat with arch=ppc
  175. config 8xx
  176. bool
  177. # this is temp to handle compat with arch=ppc
  178. config 83xx
  179. bool
  180. # this is temp to handle compat with arch=ppc
  181. config 85xx
  182. bool
  183. config E500
  184. bool
  185. config PPC_FPU
  186. bool
  187. default y if PPC64
  188. config PPC_DCR_NATIVE
  189. bool
  190. default n
  191. config PPC_DCR_MMIO
  192. bool
  193. default n
  194. config PPC_DCR
  195. bool
  196. depends on PPC_DCR_NATIVE || PPC_DCR_MMIO
  197. default y
  198. config PPC_OF_PLATFORM_PCI
  199. bool
  200. depends on PPC64 # not supported on 32 bits yet
  201. default n
  202. config BOOKE
  203. bool
  204. depends on E200 || E500
  205. default y
  206. config FSL_BOOKE
  207. bool
  208. depends on E200 || E500
  209. default y
  210. config PTE_64BIT
  211. bool
  212. depends on 44x || E500
  213. default y if 44x
  214. default y if E500 && PHYS_64BIT
  215. config PHYS_64BIT
  216. bool 'Large physical address support' if E500
  217. depends on 44x || E500
  218. select RESOURCES_64BIT
  219. default y if 44x
  220. ---help---
  221. This option enables kernel support for larger than 32-bit physical
  222. addresses. This features is not be available on all e500 cores.
  223. If in doubt, say N here.
  224. config ALTIVEC
  225. bool "AltiVec Support"
  226. depends on CLASSIC32 || POWER4
  227. ---help---
  228. This option enables kernel support for the Altivec extensions to the
  229. PowerPC processor. The kernel currently supports saving and restoring
  230. altivec registers, and turning on the 'altivec enable' bit so user
  231. processes can execute altivec instructions.
  232. This option is only usefully if you have a processor that supports
  233. altivec (G4, otherwise known as 74xx series), but does not have
  234. any affect on a non-altivec cpu (it does, however add code to the
  235. kernel).
  236. If in doubt, say Y here.
  237. config SPE
  238. bool "SPE Support"
  239. depends on E200 || E500
  240. default y
  241. ---help---
  242. This option enables kernel support for the Signal Processing
  243. Extensions (SPE) to the PowerPC processor. The kernel currently
  244. supports saving and restoring SPE registers, and turning on the
  245. 'spe enable' bit so user processes can execute SPE instructions.
  246. This option is only useful if you have a processor that supports
  247. SPE (e500, otherwise known as 85xx series), but does not have any
  248. effect on a non-spe cpu (it does, however add code to the kernel).
  249. If in doubt, say Y here.
  250. config PPC_STD_MMU
  251. bool
  252. depends on 6xx || POWER3 || POWER4 || PPC64
  253. default y
  254. config PPC_STD_MMU_32
  255. def_bool y
  256. depends on PPC_STD_MMU && PPC32
  257. config VIRT_CPU_ACCOUNTING
  258. bool "Deterministic task and CPU time accounting"
  259. depends on PPC64
  260. default y
  261. help
  262. Select this option to enable more accurate task and CPU time
  263. accounting. This is done by reading a CPU counter on each
  264. kernel entry and exit and on transitions within the kernel
  265. between system, softirq and hardirq state, so there is a
  266. small performance impact. This also enables accounting of
  267. stolen time on logically-partitioned systems running on
  268. IBM POWER5-based machines.
  269. If in doubt, say Y here.
  270. config SMP
  271. depends on PPC_STD_MMU
  272. bool "Symmetric multi-processing support"
  273. ---help---
  274. This enables support for systems with more than one CPU. If you have
  275. a system with only one CPU, say N. If you have a system with more
  276. than one CPU, say Y. Note that the kernel does not currently
  277. support SMP machines with 603/603e/603ev or PPC750 ("G3") processors
  278. since they have inadequate hardware support for multiprocessor
  279. operation.
  280. If you say N here, the kernel will run on single and multiprocessor
  281. machines, but will use only one CPU of a multiprocessor machine. If
  282. you say Y here, the kernel will run on single-processor machines.
  283. On a single-processor machine, the kernel will run faster if you say
  284. N here.
  285. If you don't know what to do here, say N.
  286. config NR_CPUS
  287. int "Maximum number of CPUs (2-128)"
  288. range 2 128
  289. depends on SMP
  290. default "32" if PPC64
  291. default "4"
  292. config NOT_COHERENT_CACHE
  293. bool
  294. depends on 4xx || 8xx || E200
  295. default y
  296. endmenu
  297. source "init/Kconfig"
  298. source "arch/powerpc/platforms/Kconfig"
  299. menu "Kernel options"
  300. config HIGHMEM
  301. bool "High memory support"
  302. depends on PPC32
  303. source kernel/Kconfig.hz
  304. source kernel/Kconfig.preempt
  305. source "fs/Kconfig.binfmt"
  306. # We optimistically allocate largepages from the VM, so make the limit
  307. # large enough (16MB). This badly named config option is actually
  308. # max order + 1
  309. config FORCE_MAX_ZONEORDER
  310. int
  311. depends on PPC64
  312. default "9" if PPC_64K_PAGES
  313. default "13"
  314. config MATH_EMULATION
  315. bool "Math emulation"
  316. depends on 4xx || 8xx || E200 || PPC_MPC832x || E500
  317. ---help---
  318. Some PowerPC chips designed for embedded applications do not have
  319. a floating-point unit and therefore do not implement the
  320. floating-point instructions in the PowerPC instruction set. If you
  321. say Y here, the kernel will include code to emulate a floating-point
  322. unit, which will allow programs that use floating-point
  323. instructions to run.
  324. config IOMMU_VMERGE
  325. bool "Enable IOMMU virtual merging (EXPERIMENTAL)"
  326. depends on EXPERIMENTAL && PPC64
  327. default n
  328. help
  329. Cause IO segments sent to a device for DMA to be merged virtually
  330. by the IOMMU when they happen to have been allocated contiguously.
  331. This doesn't add pressure to the IOMMU allocator. However, some
  332. drivers don't support getting large merged segments coming back
  333. from *_map_sg(). Say Y if you know the drivers you are using are
  334. properly handling this case.
  335. config HOTPLUG_CPU
  336. bool "Support for enabling/disabling CPUs"
  337. depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC)
  338. ---help---
  339. Say Y here to be able to disable and re-enable individual
  340. CPUs at runtime on SMP machines.
  341. Say N if you are unsure.
  342. config ARCH_ENABLE_MEMORY_HOTPLUG
  343. def_bool y
  344. config KEXEC
  345. bool "kexec system call (EXPERIMENTAL)"
  346. depends on PPC_MULTIPLATFORM && EXPERIMENTAL
  347. help
  348. kexec is a system call that implements the ability to shutdown your
  349. current kernel, and to start another kernel. It is like a reboot
  350. but it is independent of the system firmware. And like a reboot
  351. you can start any kernel with it, not just Linux.
  352. The name comes from the similarity to the exec system call.
  353. It is an ongoing process to be certain the hardware in a machine
  354. is properly shutdown, so do not be surprised if this code does not
  355. initially work for you. It may help to enable device hotplugging
  356. support. As of this writing the exact hardware interface is
  357. strongly in flux, so no good recommendation can be made.
  358. config CRASH_DUMP
  359. bool "Build a kdump crash kernel (EXPERIMENTAL)"
  360. depends on PPC_MULTIPLATFORM && PPC64 && EXPERIMENTAL
  361. help
  362. Build a kernel suitable for use as a kdump capture kernel.
  363. The kernel will be linked at a different address than normal, and
  364. so can only be used for Kdump.
  365. Don't change this unless you know what you are doing.
  366. config PPCBUG_NVRAM
  367. bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC
  368. default y if PPC_PREP
  369. config IRQ_ALL_CPUS
  370. bool "Distribute interrupts on all CPUs by default"
  371. depends on SMP && !MV64360
  372. help
  373. This option gives the kernel permission to distribute IRQs across
  374. multiple CPUs. Saying N here will route all IRQs to the first
  375. CPU. Generally saying Y is safe, although some problems have been
  376. reported with SMP Power Macintoshes with this option enabled.
  377. config NUMA
  378. bool "NUMA support"
  379. depends on PPC64
  380. default y if SMP && PPC_PSERIES
  381. config NODES_SHIFT
  382. int
  383. default "4"
  384. depends on NEED_MULTIPLE_NODES
  385. config ARCH_SELECT_MEMORY_MODEL
  386. def_bool y
  387. depends on PPC64
  388. config ARCH_FLATMEM_ENABLE
  389. def_bool y
  390. depends on (PPC64 && !NUMA) || PPC32
  391. config ARCH_SPARSEMEM_ENABLE
  392. def_bool y
  393. depends on PPC64
  394. config ARCH_SPARSEMEM_DEFAULT
  395. def_bool y
  396. depends on (SMP && PPC_PSERIES) || PPC_PS3
  397. config ARCH_POPULATES_NODE_MAP
  398. def_bool y
  399. source "mm/Kconfig"
  400. config ARCH_MEMORY_PROBE
  401. def_bool y
  402. depends on MEMORY_HOTPLUG
  403. # Some NUMA nodes have memory ranges that span
  404. # other nodes. Even though a pfn is valid and
  405. # between a node's start and end pfns, it may not
  406. # reside on that node. See memmap_init_zone()
  407. # for details.
  408. config NODES_SPAN_OTHER_NODES
  409. def_bool y
  410. depends on NEED_MULTIPLE_NODES
  411. config PPC_64K_PAGES
  412. bool "64k page size"
  413. depends on PPC64
  414. help
  415. This option changes the kernel logical page size to 64k. On machines
  416. without processor support for 64k pages, the kernel will simulate
  417. them by loading each individual 4k page on demand transparently,
  418. while on hardware with such support, it will be used to map
  419. normal application pages.
  420. config SCHED_SMT
  421. bool "SMT (Hyperthreading) scheduler support"
  422. depends on PPC64 && SMP
  423. help
  424. SMT scheduler support improves the CPU scheduler's decision making
  425. when dealing with POWER5 cpus at a cost of slightly increased
  426. overhead in some places. If unsure say N here.
  427. config PROC_DEVICETREE
  428. bool "Support for device tree in /proc"
  429. depends on PROC_FS
  430. help
  431. This option adds a device-tree directory under /proc which contains
  432. an image of the device tree that the kernel copies from Open
  433. Firmware or other boot firmware. If unsure, say Y here.
  434. config CMDLINE_BOOL
  435. bool "Default bootloader kernel arguments"
  436. config CMDLINE
  437. string "Initial kernel command string"
  438. depends on CMDLINE_BOOL
  439. default "console=ttyS0,9600 console=tty0 root=/dev/sda2"
  440. help
  441. On some platforms, there is currently no way for the boot loader to
  442. pass arguments to the kernel. For these platforms, you can supply
  443. some command-line options at build time by entering them here. In
  444. most cases you will need to specify the root device here.
  445. if !44x || BROKEN
  446. source kernel/power/Kconfig
  447. endif
  448. config SECCOMP
  449. bool "Enable seccomp to safely compute untrusted bytecode"
  450. depends on PROC_FS
  451. default y
  452. help
  453. This kernel feature is useful for number crunching applications
  454. that may need to compute untrusted bytecode during their
  455. execution. By using pipes or other transports made available to
  456. the process as file descriptors supporting the read/write
  457. syscalls, it's possible to isolate those applications in
  458. their own address space using seccomp. Once seccomp is
  459. enabled via /proc/<pid>/seccomp, it cannot be disabled
  460. and the task is only allowed to execute a few safe syscalls
  461. defined by each seccomp mode.
  462. If unsure, say Y. Only embedded should say N here.
  463. config WANT_DEVICE_TREE
  464. bool
  465. default n
  466. config DEVICE_TREE
  467. string "Static device tree source file"
  468. depends on WANT_DEVICE_TREE
  469. help
  470. This specifies the device tree source (.dts) file to be
  471. compiled and included when building the bootwrapper. If a
  472. relative filename is given, then it will be relative to
  473. arch/powerpc/boot/dts. If you are not using the bootwrapper,
  474. or do not need to build a dts into the bootwrapper, this
  475. field is ignored.
  476. For example, this is required when building a cuImage target
  477. for an older U-Boot, which cannot pass a device tree itself.
  478. Such a kernel will not work with a newer U-Boot that tries to
  479. pass a device tree (unless you tell it not to). If your U-Boot
  480. does not mention a device tree in "help bootm", then use the
  481. cuImage target and specify a device tree here. Otherwise, use
  482. the uImage target and leave this field blank.
  483. endmenu
  484. config ISA_DMA_API
  485. bool
  486. default y
  487. menu "Bus options"
  488. config ISA
  489. bool "Support for ISA-bus hardware"
  490. depends on PPC_PREP || PPC_CHRP
  491. select PPC_I8259
  492. help
  493. Find out whether you have ISA slots on your motherboard. ISA is the
  494. name of a bus system, i.e. the way the CPU talks to the other stuff
  495. inside your box. If you have an Apple machine, say N here; if you
  496. have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If
  497. you have an embedded board, consult your board documentation.
  498. config ZONE_DMA
  499. bool
  500. default y
  501. config GENERIC_ISA_DMA
  502. bool
  503. depends on PPC64 || POWER4 || 6xx && !CPM2
  504. default y
  505. config PPC_INDIRECT_PCI
  506. bool
  507. depends on PCI
  508. default y if 40x || 44x
  509. default n
  510. config PPC_INDIRECT_PCI_BE
  511. bool
  512. depends PPC_INDIRECT_PCI
  513. default n
  514. config EISA
  515. bool
  516. config SBUS
  517. bool
  518. config FSL_SOC
  519. bool
  520. config FSL_PCIE
  521. bool
  522. depends on PPC_86xx
  523. # Yes MCA RS/6000s exist but Linux-PPC does not currently support any
  524. config MCA
  525. bool
  526. config PCI
  527. bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \
  528. || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \
  529. || MPC7448HPC2 || PPC_PS3
  530. default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \
  531. && !PPC_85xx && !PPC_86xx
  532. default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
  533. default PCI_QSPAN if !4xx && !CPM2 && 8xx
  534. help
  535. Find out whether your system includes a PCI bus. PCI is the name of
  536. a bus system, i.e. the way the CPU talks to the other stuff inside
  537. your box. If you say Y here, the kernel will include drivers and
  538. infrastructure code to support PCI bus devices.
  539. config PCI_DOMAINS
  540. bool
  541. default PCI
  542. config PCI_QSPAN
  543. bool "QSpan PCI"
  544. depends on !4xx && !CPM2 && 8xx
  545. select PPC_I8259
  546. help
  547. Say Y here if you have a system based on a Motorola 8xx-series
  548. embedded processor with a QSPAN PCI interface, otherwise say N.
  549. config PCI_8260
  550. bool
  551. depends on PCI && 8260
  552. select PPC_INDIRECT_PCI
  553. default y
  554. config 8260_PCI9
  555. bool "Enable workaround for MPC826x erratum PCI 9"
  556. depends on PCI_8260 && !ADS8272
  557. default y
  558. choice
  559. prompt "IDMA channel for PCI 9 workaround"
  560. depends on 8260_PCI9
  561. config 8260_PCI9_IDMA1
  562. bool "IDMA1"
  563. config 8260_PCI9_IDMA2
  564. bool "IDMA2"
  565. config 8260_PCI9_IDMA3
  566. bool "IDMA3"
  567. config 8260_PCI9_IDMA4
  568. bool "IDMA4"
  569. endchoice
  570. source "drivers/pci/pcie/Kconfig"
  571. source "drivers/pci/Kconfig"
  572. source "drivers/pcmcia/Kconfig"
  573. source "drivers/pci/hotplug/Kconfig"
  574. endmenu
  575. menu "Advanced setup"
  576. depends on PPC32
  577. config ADVANCED_OPTIONS
  578. bool "Prompt for advanced kernel configuration options"
  579. help
  580. This option will enable prompting for a variety of advanced kernel
  581. configuration options. These options can cause the kernel to not
  582. work if they are set incorrectly, but can be used to optimize certain
  583. aspects of kernel memory management.
  584. Unless you know what you are doing, say N here.
  585. comment "Default settings for advanced configuration options are used"
  586. depends on !ADVANCED_OPTIONS
  587. config HIGHMEM_START_BOOL
  588. bool "Set high memory pool address"
  589. depends on ADVANCED_OPTIONS && HIGHMEM
  590. help
  591. This option allows you to set the base address of the kernel virtual
  592. area used to map high memory pages. This can be useful in
  593. optimizing the layout of kernel virtual memory.
  594. Say N here unless you know what you are doing.
  595. config HIGHMEM_START
  596. hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
  597. default "0xfe000000"
  598. config LOWMEM_SIZE_BOOL
  599. bool "Set maximum low memory"
  600. depends on ADVANCED_OPTIONS
  601. help
  602. This option allows you to set the maximum amount of memory which
  603. will be used as "low memory", that is, memory which the kernel can
  604. access directly, without having to set up a kernel virtual mapping.
  605. This can be useful in optimizing the layout of kernel virtual
  606. memory.
  607. Say N here unless you know what you are doing.
  608. config LOWMEM_SIZE
  609. hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
  610. default "0x30000000"
  611. config KERNEL_START_BOOL
  612. bool "Set custom kernel base address"
  613. depends on ADVANCED_OPTIONS
  614. help
  615. This option allows you to set the kernel virtual address at which
  616. the kernel will map low memory (the kernel image will be linked at
  617. this address). This can be useful in optimizing the virtual memory
  618. layout of the system.
  619. Say N here unless you know what you are doing.
  620. config KERNEL_START
  621. hex "Virtual address of kernel base" if KERNEL_START_BOOL
  622. default "0xc0000000"
  623. config TASK_SIZE_BOOL
  624. bool "Set custom user task size"
  625. depends on ADVANCED_OPTIONS
  626. help
  627. This option allows you to set the amount of virtual address space
  628. allocated to user tasks. This can be useful in optimizing the
  629. virtual memory layout of the system.
  630. Say N here unless you know what you are doing.
  631. config TASK_SIZE
  632. hex "Size of user task space" if TASK_SIZE_BOOL
  633. default "0x80000000"
  634. config CONSISTENT_START_BOOL
  635. bool "Set custom consistent memory pool address"
  636. depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
  637. help
  638. This option allows you to set the base virtual address
  639. of the consistent memory pool. This pool of virtual
  640. memory is used to make consistent memory allocations.
  641. config CONSISTENT_START
  642. hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
  643. default "0xff100000" if NOT_COHERENT_CACHE
  644. config CONSISTENT_SIZE_BOOL
  645. bool "Set custom consistent memory pool size"
  646. depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
  647. help
  648. This option allows you to set the size of the
  649. consistent memory pool. This pool of virtual memory
  650. is used to make consistent memory allocations.
  651. config CONSISTENT_SIZE
  652. hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
  653. default "0x00200000" if NOT_COHERENT_CACHE
  654. config BOOT_LOAD_BOOL
  655. bool "Set the boot link/load address"
  656. depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM
  657. help
  658. This option allows you to set the initial load address of the zImage
  659. or zImage.initrd file. This can be useful if you are on a board
  660. which has a small amount of memory.
  661. Say N here unless you know what you are doing.
  662. config BOOT_LOAD
  663. hex "Link/load address for booting" if BOOT_LOAD_BOOL
  664. default "0x00400000" if 40x || 8xx || 8260
  665. default "0x01000000" if 44x
  666. default "0x00800000"
  667. config PIN_TLB
  668. bool "Pinned Kernel TLBs (860 ONLY)"
  669. depends on ADVANCED_OPTIONS && 8xx
  670. endmenu
  671. if PPC64
  672. config KERNEL_START
  673. hex
  674. default "0xc000000000000000"
  675. endif
  676. source "net/Kconfig"
  677. source "drivers/Kconfig"
  678. source "fs/Kconfig"
  679. # XXX source "arch/ppc/8xx_io/Kconfig"
  680. # XXX source "arch/ppc/8260_io/Kconfig"
  681. source "arch/powerpc/sysdev/qe_lib/Kconfig"
  682. source "lib/Kconfig"
  683. menu "Instrumentation Support"
  684. depends on EXPERIMENTAL
  685. source "arch/powerpc/oprofile/Kconfig"
  686. config KPROBES
  687. bool "Kprobes (EXPERIMENTAL)"
  688. depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES
  689. help
  690. Kprobes allows you to trap at almost any kernel address and
  691. execute a callback function. register_kprobe() establishes
  692. a probepoint and specifies the callback. Kprobes is useful
  693. for kernel debugging, non-intrusive instrumentation and testing.
  694. If in doubt, say "N".
  695. endmenu
  696. source "arch/powerpc/Kconfig.debug"
  697. source "security/Kconfig"
  698. config KEYS_COMPAT
  699. bool
  700. depends on COMPAT && KEYS
  701. default y
  702. source "crypto/Kconfig"