linux/arch/c6x/Kconfig
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   1#
   2# For a description of the syntax of this configuration file,
   3# see Documentation/kbuild/kconfig-language.txt.
   4#
   5
   6config C6X
   7        def_bool y
   8        select CLKDEV_LOOKUP
   9        select GENERIC_ATOMIC64
  10        select GENERIC_IRQ_SHOW
  11        select HAVE_ARCH_TRACEHOOK
  12        select HAVE_DMA_API_DEBUG
  13        select HAVE_GENERIC_HARDIRQS
  14        select HAVE_MEMBLOCK
  15        select SPARSE_IRQ
  16        select IRQ_DOMAIN
  17        select OF
  18        select OF_EARLY_FLATTREE
  19        select GENERIC_CLOCKEVENTS
  20        select MODULES_USE_ELF_RELA
  21
  22config MMU
  23        def_bool n
  24
  25config FPU
  26        def_bool n
  27
  28config RWSEM_GENERIC_SPINLOCK
  29        def_bool y
  30
  31config GENERIC_CALIBRATE_DELAY
  32        def_bool y
  33
  34config GENERIC_HWEIGHT
  35        def_bool y
  36
  37config GENERIC_BUG
  38        def_bool y
  39
  40config COMMON_CLKDEV
  41        def_bool y
  42
  43config C6X_BIG_KERNEL
  44        bool "Build a big kernel"
  45        help
  46          The C6X function call instruction has a limited range of +/- 2MiB.
  47          This is sufficient for most kernels, but some kernel configurations
  48          with lots of compiled-in functionality may require a larger range
  49          for function calls. Use this option to have the compiler generate
  50          function calls with 32-bit range. This will make the kernel both
  51          larger and slower.
  52
  53          If unsure, say N.
  54
  55source "init/Kconfig"
  56
  57# Use the generic interrupt handling code in kernel/irq/
  58
  59source "kernel/Kconfig.freezer"
  60
  61config CMDLINE_BOOL
  62        bool "Default bootloader kernel arguments"
  63
  64config CMDLINE
  65        string "Kernel command line"
  66        depends on CMDLINE_BOOL
  67        default "console=ttyS0,57600"
  68        help
  69          On some architectures there is currently no way for the boot loader
  70          to pass arguments to the kernel. For these architectures, you should
  71          supply some command-line options at build time by entering them
  72          here.
  73
  74config CMDLINE_FORCE
  75        bool "Force default kernel command string"
  76        depends on CMDLINE_BOOL
  77        default n
  78        help
  79          Set this to have arguments from the default kernel command string
  80          override those passed by the boot loader.
  81
  82config CPU_BIG_ENDIAN
  83        bool "Build big-endian kernel"
  84        default n
  85        help
  86          Say Y if you plan on running a kernel in big-endian mode.
  87          Note that your board must be properly built and your board
  88          port must properly enable any big-endian related features
  89          of your chipset/board/processor.
  90
  91config FORCE_MAX_ZONEORDER
  92        int "Maximum zone order"
  93        default "13"
  94        help
  95          The kernel memory allocator divides physically contiguous memory
  96          blocks into "zones", where each zone is a power of two number of
  97          pages.  This option selects the largest power of two that the kernel
  98          keeps in the memory allocator.  If you need to allocate very large
  99          blocks of physically contiguous memory, then you may need to
 100          increase this value.
 101
 102          This config option is actually maximum order plus one. For example,
 103          a value of 11 means that the largest free memory block is 2^10 pages.
 104
 105menu "Processor type and features"
 106
 107source "arch/c6x/platforms/Kconfig"
 108
 109config TMS320C6X_CACHES_ON
 110        bool "L2 cache support"
 111        default y
 112
 113config KERNEL_RAM_BASE_ADDRESS
 114        hex "Virtual address of memory base"
 115        default 0xe0000000 if SOC_TMS320C6455
 116        default 0xe0000000 if SOC_TMS320C6457
 117        default 0xe0000000 if SOC_TMS320C6472
 118        default 0x80000000
 119
 120source "mm/Kconfig"
 121
 122source "kernel/Kconfig.preempt"
 123
 124source "kernel/Kconfig.hz"
 125
 126endmenu
 127
 128menu "Executable file formats"
 129
 130source "fs/Kconfig.binfmt"
 131
 132endmenu
 133
 134source "net/Kconfig"
 135
 136source "drivers/Kconfig"
 137
 138source "fs/Kconfig"
 139
 140source "security/Kconfig"
 141
 142source "crypto/Kconfig"
 143
 144source "lib/Kconfig"
 145
 146menu "Kernel hacking"
 147
 148source "lib/Kconfig.debug"
 149
 150config ACCESS_CHECK
 151        bool "Check the user pointer address"
 152        default y
 153        help
 154          Usually the pointer transfer from user space is checked to see if its
 155          address is in the kernel space.
 156
 157          Say N here to disable that check to improve the performance.
 158
 159endmenu
 160
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