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-#
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
-#
-
-config 64BIT
- def_bool y
-
-config MMU
- bool
- default y
-
-config PPC_STD_MMU
- def_bool y
-
-config UID16
- bool
-
-config RWSEM_GENERIC_SPINLOCK
- bool
-
-config RWSEM_XCHGADD_ALGORITHM
- bool
- default y
-
-config GENERIC_CALIBRATE_DELAY
- bool
- default y
-
-config GENERIC_ISA_DMA
- bool
- default y
-
-config EARLY_PRINTK
- bool
- default y
-
-config COMPAT
- bool
- default y
-
-config SCHED_NO_NO_OMIT_FRAME_POINTER
- bool
- default y
-
-config ARCH_MAY_HAVE_PC_FDC
- bool
- default y
-
-config PPC_STD_MMU
- bool
- default y
-
-# We optimistically allocate largepages from the VM, so make the limit
-# large enough (16MB). This badly named config option is actually
-# max order + 1
-config FORCE_MAX_ZONEORDER
- int
- default "9" if PPC_64K_PAGES
- default "13"
-
-source "init/Kconfig"
-
-config SYSVIPC_COMPAT
- bool
- depends on COMPAT && SYSVIPC
- default y
-
-menu "Platform support"
-
-choice
- prompt "Platform Type"
- default PPC_MULTIPLATFORM
-
-config PPC_ISERIES
- bool "IBM Legacy iSeries"
-
-config PPC_MULTIPLATFORM
- bool "Generic"
-
-endchoice
-
-config PPC_PSERIES
- depends on PPC_MULTIPLATFORM
- bool " IBM pSeries & new iSeries"
- default y
-
-config PPC_BPA
- bool " Broadband Processor Architecture"
- depends on PPC_MULTIPLATFORM
-
-config PPC_PMAC
- depends on PPC_MULTIPLATFORM
- bool " Apple G5 based machines"
- default y
- select U3_DART
- select GENERIC_TBSYNC
-
-config PPC_MAPLE
- depends on PPC_MULTIPLATFORM
- bool " Maple 970FX Evaluation Board"
- select U3_DART
- select MPIC_BROKEN_U3
- select GENERIC_TBSYNC
- default n
- help
- This option enables support for the Maple 970FX Evaluation Board.
- For more informations, refer to <http://www.970eval.com>
-
-config PPC
- bool
- default y
-
-config PPC64
- bool
- default y
-
-config PPC_OF
- depends on PPC_MULTIPLATFORM
- bool
- default y
-
-config XICS
- depends on PPC_PSERIES
- bool
- default y
-
-config MPIC
- depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE
- bool
- default y
-
-config PPC_I8259
- depends on PPC_PSERIES
- bool
- default y
-
-config BPA_IIC
- depends on PPC_BPA
- bool
- default y
-
-# VMX is pSeries only for now until somebody writes the iSeries
-# exception vectors for it
-config ALTIVEC
- bool "Support for VMX (Altivec) vector unit"
- depends on PPC_MULTIPLATFORM
- default y
-
-config PPC_SPLPAR
- depends on PPC_PSERIES
- bool "Support for shared-processor logical partitions"
- default n
- help
- Enabling this option will make the kernel run more efficiently
- on logically-partitioned pSeries systems which use shared
- processors, that is, which share physical processors between
- two or more partitions.
-
-config KEXEC
- bool "kexec system call (EXPERIMENTAL)"
- depends on PPC_MULTIPLATFORM && EXPERIMENTAL
- help
- kexec is a system call that implements the ability to shutdown your
- current kernel, and to start another kernel. It is like a reboot
- but it is indepedent of the system firmware. And like a reboot
- you can start any kernel with it, not just Linux.
-
- The name comes from the similiarity to the exec system call.
-
- It is an ongoing process to be certain the hardware in a machine
- is properly shutdown, so do not be surprised if this code does not
- initially work for you. It may help to enable device hotplugging
- support. As of this writing the exact hardware interface is
- strongly in flux, so no good recommendation can be made.
-
-source "drivers/cpufreq/Kconfig"
-
-config CPU_FREQ_PMAC64
- bool "Support for some Apple G5s"
- depends on CPU_FREQ && PMAC_SMU && PPC64
- select CPU_FREQ_TABLE
- help
- This adds support for frequency switching on Apple iMac G5,
- and some of the more recent desktop G5 machines as well.
-
-config IBMVIO
- depends on PPC_PSERIES || PPC_ISERIES
- bool
- default y
-
-config U3_DART
- bool
- depends on PPC_MULTIPLATFORM
- default n
-
-config MPIC_BROKEN_U3
- bool
- depends on PPC_MAPLE
- default y
-
-config GENERIC_TBSYNC
- def_bool n
-
-config PPC_PMAC64
- bool
- depends on PPC_PMAC
- default y
-
-config BOOTX_TEXT
- bool "Support for early boot text console"
- depends PPC_OF
- help
- Say Y here to see progress messages from the boot firmware in text
- mode. Requires an Open Firmware compatible video card.
-
-config POWER4
- def_bool y
-
-config PPC_FPU
- def_bool y
-
-config POWER4_ONLY
- bool "Optimize for POWER4"
- default n
- ---help---
- Cause the compiler to optimize for POWER4 processors. The resulting
- binary will not work on POWER3 or RS64 processors when compiled with
- binutils 2.15 or later.
-
-config IOMMU_VMERGE
- bool "Enable IOMMU virtual merging (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- default n
- help
- Cause IO segments sent to a device for DMA to be merged virtually
- by the IOMMU when they happen to have been allocated contiguously.
- This doesn't add pressure to the IOMMU allocator. However, some
- drivers don't support getting large merged segments coming back
- from *_map_sg(). Say Y if you know the drivers you are using are
- properly handling this case.
-
-config SMP
- bool "Symmetric multi-processing support"
- ---help---
- This enables support for systems with more than one CPU. If you have
- a system with only one CPU, say N. If you have a system with more
- than one CPU, say Y.
-
- If you say N here, the kernel will run on single and multiprocessor
- machines, but will use only one CPU of a multiprocessor machine. If
- you say Y here, the kernel will run on single-processor machines.
- On a single-processor machine, the kernel will run faster if you say
- N here.
-
- If you don't know what to do here, say Y.
-
-config NR_CPUS
- int "Maximum number of CPUs (2-128)"
- range 2 128
- depends on SMP
- default "32"
-
-config HMT
- bool "Hardware multithreading"
- depends on SMP && PPC_PSERIES && BROKEN
- help
- This option enables hardware multithreading on RS64 cpus.
- pSeries systems p620 and p660 have such a cpu type.
-
-config NUMA
- bool "NUMA support"
- default y if SMP && PPC_PSERIES
-
-config ARCH_SELECT_MEMORY_MODEL
- def_bool y
-
-config ARCH_FLATMEM_ENABLE
- def_bool y
- depends on !NUMA
-
-config ARCH_SPARSEMEM_ENABLE
- def_bool y
-
-config ARCH_SPARSEMEM_DEFAULT
- def_bool y
- depends on NUMA
-
-source "mm/Kconfig"
-
-config HAVE_ARCH_EARLY_PFN_TO_NID
- def_bool y
- depends on NEED_MULTIPLE_NODES
-
-config ARCH_MEMORY_PROBE
- def_bool y
- depends on MEMORY_HOTPLUG
-
-# Some NUMA nodes have memory ranges that span
-# other nodes. Even though a pfn is valid and
-# between a node's start and end pfns, it may not
-# reside on that node.
-#
-# This is a relatively temporary hack that should
-# be able to go away when sparsemem is fully in
-# place
-config NODES_SPAN_OTHER_NODES
- def_bool y
- depends on NEED_MULTIPLE_NODES
-
-config PPC_64K_PAGES
- bool "64k page size"
- help
- This option changes the kernel logical page size to 64k. On machines
- without processor support for 64k pages, the kernel will simulate
- them by loading each individual 4k page on demand transparently,
- while on hardware with such support, it will be used to map
- normal application pages.
-
-config SCHED_SMT
- bool "SMT (Hyperthreading) scheduler support"
- depends on SMP
- default off
- help
- SMT scheduler support improves the CPU scheduler's decision making
- when dealing with POWER5 cpus at a cost of slightly increased
- overhead in some places. If unsure say N here.
-
-source "kernel/Kconfig.preempt"
-source kernel/Kconfig.hz
-
-config EEH
- bool "PCI Extended Error Handling (EEH)" if EMBEDDED
- depends on PPC_PSERIES
- default y if !EMBEDDED
-
-#
-# Use the generic interrupt handling code in kernel/irq/:
-#
-config GENERIC_HARDIRQS
- bool
- default y
-
-config PPC_RTAS
- bool
- depends on PPC_PSERIES || PPC_BPA
- default y
-
-config RTAS_ERROR_LOGGING
- bool
- depends on PPC_RTAS
- default y
-
-config RTAS_PROC
- bool "Proc interface to RTAS"
- depends on PPC_RTAS
- default y
-
-config RTAS_FLASH
- tristate "Firmware flash interface"
- depends on RTAS_PROC
-
-config SCANLOG
- tristate "Scanlog dump interface"
- depends on RTAS_PROC && PPC_PSERIES
-
-config LPARCFG
- tristate "LPAR Configuration Data"
- depends on PPC_PSERIES || PPC_ISERIES
- help
- Provide system capacity information via human readable
- <key word>=<value> pairs through a /proc/ppc64/lparcfg interface.
-
-config SECCOMP
- bool "Enable seccomp to safely compute untrusted bytecode"
- depends on PROC_FS
- default y
- help
- This kernel feature is useful for number crunching applications
- that may need to compute untrusted bytecode during their
- execution. By using pipes or other transports made available to
- the process as file descriptors supporting the read/write
- syscalls, it's possible to isolate those applications in
- their own address space using seccomp. Once seccomp is
- enabled via /proc/<pid>/seccomp, it cannot be disabled
- and the task is only allowed to execute a few safe syscalls
- defined by each seccomp mode.
-
- If unsure, say Y. Only embedded should say N here.
-
-source "fs/Kconfig.binfmt"
-
-config HOTPLUG_CPU
- bool "Support for hot-pluggable CPUs"
- depends on SMP && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC)
- select HOTPLUG
- ---help---
- Say Y here to be able to turn CPUs off and on.
-
- Say N if you are unsure.
-
-config PROC_DEVICETREE
- bool "Support for Open Firmware device tree in /proc"
- help
- This option adds a device-tree directory under /proc which contains
- an image of the device tree that the kernel copies from Open
- Firmware. If unsure, say Y here.
-
-config CMDLINE_BOOL
- bool "Default bootloader kernel arguments"
- depends on !PPC_ISERIES
-
-config CMDLINE
- string "Initial kernel command string"
- depends on CMDLINE_BOOL
- default "console=ttyS0,9600 console=tty0 root=/dev/sda2"
- help
- On some platforms, there is currently no way for the boot loader to
- pass arguments to the kernel. For these platforms, you can supply
- some command-line options at build time by entering them here. In
- most cases you will need to specify the root device here.
-
-endmenu
-
-config ISA_DMA_API
- bool
- default y
-
-menu "Bus Options"
-
-config ISA
- bool
- help
- Find out whether you have ISA slots on your motherboard. ISA is the
- name of a bus system, i.e. the way the CPU talks to the other stuff
- inside your box. If you have an Apple machine, say N here; if you
- have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If
- you have an embedded board, consult your board documentation.
-
-config SBUS
- bool
-
-config MCA
- bool
-
-config EISA
- bool
-
-config PCI
- bool "support for PCI devices" if (EMBEDDED && PPC_ISERIES)
- default y
- help
- Find out whether your system includes a PCI bus. PCI is the name of
- a bus system, i.e. the way the CPU talks to the other stuff inside
- your box. If you say Y here, the kernel will include drivers and
- infrastructure code to support PCI bus devices.
-
-config PCI_DOMAINS
- bool
- default PCI
-
-source "drivers/pci/Kconfig"
-
-source "drivers/pcmcia/Kconfig"
-
-source "drivers/pci/hotplug/Kconfig"
-
-endmenu
-
-source "net/Kconfig"
-
-source "drivers/Kconfig"
-
-source "fs/Kconfig"
-
-menu "iSeries device drivers"
- depends on PPC_ISERIES
-
-config VIOCONS
- tristate "iSeries Virtual Console Support"
-
-config VIODASD
- tristate "iSeries Virtual I/O disk support"
- help
- If you are running on an iSeries system and you want to use
- virtual disks created and managed by OS/400, say Y.
-
-config VIOCD
- tristate "iSeries Virtual I/O CD support"
- help
- If you are running Linux on an IBM iSeries system and you want to
- read a CD drive owned by OS/400, say Y here.
-
-config VIOTAPE
- tristate "iSeries Virtual Tape Support"
- help
- If you are running Linux on an iSeries system and you want Linux
- to read and/or write a tape drive owned by OS/400, say Y here.
-
-endmenu
-
-config VIOPATH
- bool
- depends on VIOCONS || VIODASD || VIOCD || VIOTAPE || VETH
- default y
-
-source "arch/powerpc/oprofile/Kconfig"
-
-source "arch/ppc64/Kconfig.debug"
-
-source "security/Kconfig"
-
-config KEYS_COMPAT
- bool
- depends on COMPAT && KEYS
- default y
-
-source "crypto/Kconfig"
-
-source "lib/Kconfig"