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kernel/linux-imx6_3.14.28/arch/parisc/Kconfig 7.25 KB
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  config PARISC
  	def_bool y
  	select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
  	select ARCH_MIGHT_HAVE_PC_PARPORT
  	select HAVE_IDE
  	select HAVE_OPROFILE
  	select HAVE_FUNCTION_TRACER if 64BIT
  	select HAVE_FUNCTION_GRAPH_TRACER if 64BIT
  	select HAVE_FUNCTION_TRACE_MCOUNT_TEST if 64BIT
  	select ARCH_WANT_FRAME_POINTERS
  	select RTC_CLASS
  	select RTC_DRV_GENERIC
  	select INIT_ALL_POSSIBLE
  	select BUG
  	select HAVE_PERF_EVENTS
  	select GENERIC_ATOMIC64 if !64BIT
  	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  	select BROKEN_RODATA
  	select GENERIC_IRQ_PROBE
  	select GENERIC_PCI_IOMAP
  	select ARCH_HAVE_NMI_SAFE_CMPXCHG
  	select GENERIC_SMP_IDLE_THREAD
  	select GENERIC_STRNCPY_FROM_USER
  	select SYSCTL_ARCH_UNALIGN_ALLOW
  	select SYSCTL_EXCEPTION_TRACE
  	select HAVE_MOD_ARCH_SPECIFIC
  	select VIRT_TO_BUS
  	select MODULES_USE_ELF_RELA
  	select CLONE_BACKWARDS
  	select TTY # Needed for pdc_cons.c
  	select HAVE_DEBUG_STACKOVERFLOW
  
  	help
  	  The PA-RISC microprocessor is designed by Hewlett-Packard and used
  	  in many of their workstations & servers (HP9000 700 and 800 series,
  	  and later HP3000 series).  The PA-RISC Linux project home page is
  	  at <http://www.parisc-linux.org/>.
  
  config MMU
  	def_bool y
  
  config STACK_GROWSUP
  	def_bool y
  
  config GENERIC_LOCKBREAK
  	bool
  	default y
  	depends on SMP && PREEMPT
  
  config RWSEM_GENERIC_SPINLOCK
  	def_bool y
  
  config RWSEM_XCHGADD_ALGORITHM
  	bool
  
  config ARCH_HAS_ILOG2_U32
  	bool
  	default n
  
  config ARCH_HAS_ILOG2_U64
  	bool
  	default n
  
  config GENERIC_BUG
  	bool
  	default y
  	depends on BUG
  
  config GENERIC_HWEIGHT
  	bool
  	default y
  
  config GENERIC_CALIBRATE_DELAY
  	bool
  	default y
  
  config TIME_LOW_RES
  	bool
  	depends on SMP
  	default y
  
  config HAVE_LATENCYTOP_SUPPORT
          def_bool y
  
  # unless you want to implement ACPI on PA-RISC ... ;-)
  config PM
  	bool
  
  config STACKTRACE_SUPPORT
  	def_bool y
  
  config NEED_DMA_MAP_STATE
  	def_bool y
  
  config NEED_SG_DMA_LENGTH
  	def_bool y
  
  config ISA_DMA_API
  	bool
  
  config ARCH_MAY_HAVE_PC_FDC
  	bool
  	depends on BROKEN
  	default y
  
  source "init/Kconfig"
  
  source "kernel/Kconfig.freezer"
  
  
  menu "Processor type and features"
  
  choice
  	prompt "Processor type"
  	default PA7000
  
  config PA7000
  	bool "PA7000/PA7100"
  	---help---
  	  This is the processor type of your CPU.  This information is
  	  used for optimizing purposes.  In order to compile a kernel
  	  that can run on all 32-bit PA CPUs (albeit not optimally fast),
  	  you can specify "PA7000" here.
  
  	  Specifying "PA8000" here will allow you to select a 64-bit kernel
  	  which is required on some machines.
  
  config PA7100LC
  	bool "PA7100LC"
  	help
  	  Select this option for the PCX-L processor, as used in the
  	  712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
  	  D200, D210, D300, D310 and E-class
  
  config PA7200
  	bool "PA7200"
  	help
  	  Select this option for the PCX-T' processor, as used in the
  	  C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
  	  K100, K200, K210, K220, K400, K410 and K420
  
  config PA7300LC
  	bool "PA7300LC"
  	help
  	  Select this option for the PCX-L2 processor, as used in the
  	  744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
  	  D220, D230, D320 and D330.
  
  config PA8X00
  	bool "PA8000 and up"
  	help
  	  Select this option for PCX-U to PCX-W2 processors.
  
  endchoice
  
  # Define implied options from the CPU selection here
  
  config PA20
  	def_bool y
  	depends on PA8X00
  
  config PA11
  	def_bool y
  	depends on PA7000 || PA7100LC || PA7200 || PA7300LC
  
  config PREFETCH
  	def_bool y
  	depends on PA8X00 || PA7200
  
  config MLONGCALLS
  	bool "Enable the -mlong-calls compiler option for big kernels"
  	def_bool y if (!MODULES)
  	depends on PA8X00
  	help
  	  If you configure the kernel to include many drivers built-in instead
  	  as modules, the kernel executable may become too big, so that the
  	  linker will not be able to resolve some long branches and fails to link
  	  your vmlinux kernel. In that case enabling this option will help you
  	  to overcome this limit by using the -mlong-calls compiler option.
  
  	  Usually you want to say N here, unless you e.g. want to build
  	  a kernel which includes all necessary drivers built-in and which can
  	  be used for TFTP booting without the need to have an initrd ramdisk.
  
  	  Enabling this option will probably slow down your kernel.
  
  config 64BIT
  	bool "64-bit kernel"
  	depends on PA8X00
  	help
  	  Enable this if you want to support 64bit kernel on PA-RISC platform.
  
  	  At the moment, only people willing to use more than 2GB of RAM,
  	  or having a 64bit-only capable PA-RISC machine should say Y here.
  
  	  Since there is no 64bit userland on PA-RISC, there is no point to
  	  enable this option otherwise. The 64bit kernel is significantly bigger
  	  and slower than the 32bit one.
  
  choice
  	prompt "Kernel page size"
  	default PARISC_PAGE_SIZE_4KB
  
  config PARISC_PAGE_SIZE_4KB
  	bool "4KB"
  	help
  	  This lets you select the page size of the kernel.  For best
  	  performance, a page size of 16KB is recommended.  For best
  	  compatibility with 32bit applications, a page size of 4KB should be
  	  selected (the vast majority of 32bit binaries work perfectly fine
  	  with a larger page size).
  
  	  4KB                For best 32bit compatibility
  	  16KB               For best performance
  	  64KB               For best performance, might give more overhead.
  
  	  If you don't know what to do, choose 4KB.
  
  config PARISC_PAGE_SIZE_16KB
  	bool "16KB"
  	depends on PA8X00
  
  config PARISC_PAGE_SIZE_64KB
  	bool "64KB"
  	depends on PA8X00
  
  endchoice
  
  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 uni- and multiprocessor
  	  machines, but will use only one CPU of a multiprocessor machine. If
  	  you say Y here, the kernel will run on many, but not all,
  	  uniprocessor machines. On a uniprocessor machine, the kernel
  	  will run faster if you say N here.
  
  	  See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  	  available at <http://www.tldp.org/docs.html#howto>.
  
  	  If you don't know what to do here, say N.
  
  config IRQSTACKS
  	bool "Use separate kernel stacks when processing interrupts"
  	default y
  	help
  	  If you say Y here the kernel will use separate kernel stacks
  	  for handling hard and soft interrupts.  This can help avoid
  	  overflowing the process kernel stacks.
  
  config HOTPLUG_CPU
  	bool
  	default y if SMP
  
  config ARCH_SELECT_MEMORY_MODEL
  	def_bool y
  	depends on 64BIT
  
  config ARCH_DISCONTIGMEM_ENABLE
  	def_bool y
  	depends on 64BIT
  
  config ARCH_FLATMEM_ENABLE
  	def_bool y
  
  config ARCH_DISCONTIGMEM_DEFAULT
  	def_bool y
  	depends on ARCH_DISCONTIGMEM_ENABLE
  
  config NODES_SHIFT
  	int
  	default "3"
  	depends on NEED_MULTIPLE_NODES
  
  source "kernel/Kconfig.preempt"
  source "kernel/Kconfig.hz"
  source "mm/Kconfig"
  
  config COMPAT
  	def_bool y
  	depends on 64BIT
  
  config SYSVIPC_COMPAT
  	def_bool y
  	depends on COMPAT && SYSVIPC
  
  config AUDIT_ARCH
  	def_bool y
  
  config HPUX
  	bool "Support for HP-UX binaries"
  	depends on !64BIT
  
  config NR_CPUS
  	int "Maximum number of CPUs (2-32)"
  	range 2 32
  	depends on SMP
  	default "32"
  
  endmenu
  
  
  source "drivers/parisc/Kconfig"
  
  
  menu "Executable file formats"
  
  source "fs/Kconfig.binfmt"
  
  endmenu
  
  source "net/Kconfig"
  
  source "drivers/Kconfig"
  
  source "fs/Kconfig"
  
  source "arch/parisc/Kconfig.debug"
  
  source "security/Kconfig"
  
  source "crypto/Kconfig"
  
  source "lib/Kconfig"