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