arch/microblaze/Kconfig

   1 # For a description of the syntax of this configuration file,
   2 # see Documentation/kbuild/kconfig-language.txt.
   3
   4 mainmenu "Linux/Microblaze Kernel Configuration"
   5
   6 config MICROBLAZE
   7         def_bool y
   8         select HAVE_LMB
   9         select ARCH_WANT_OPTIONAL_GPIOLIB
  10
  11 config SWAP
  12         def_bool n
  13
  14 config RWSEM_GENERIC_SPINLOCK
  15         def_bool y
  16
  17 config RWSEM_XCHGADD_ALGORITHM
  18         bool
  19
  20 config ARCH_HAS_ILOG2_U32
  21         def_bool n
  22
  23 config ARCH_HAS_ILOG2_U64
  24         def_bool n
  25
  26 config GENERIC_FIND_NEXT_BIT
  27         def_bool y
  28
  29 config GENERIC_HWEIGHT
  30         def_bool y
  31
  32 config GENERIC_HARDIRQS
  33         def_bool y
  34
  35 config GENERIC_IRQ_PROBE
  36         def_bool y
  37
  38 config GENERIC_CALIBRATE_DELAY
  39         def_bool y
  40
  41 config GENERIC_TIME
  42         def_bool y
  43
  44 config GENERIC_TIME_VSYSCALL
  45         def_bool n
  46
  47 config GENERIC_CLOCKEVENTS
  48         def_bool y
  49
  50 config GENERIC_HARDIRQS_NO__DO_IRQ
  51         def_bool y
  52
  53 config GENERIC_GPIO
  54         def_bool y
  55
  56 config GENERIC_CSUM
  57         def_bool y
  58
  59 config PCI
  60         def_bool n
  61
  62 config NO_DMA
  63         def_bool y
  64
  65 source "init/Kconfig"
  66
  67 source "kernel/Kconfig.freezer"
  68
  69 source "arch/microblaze/platform/Kconfig.platform"
  70
  71 menu "Processor type and features"
  72
  73 source kernel/time/Kconfig
  74
  75 source "kernel/Kconfig.preempt"
  76
  77 source "kernel/Kconfig.hz"
  78
  79 config MMU
  80         bool "MMU support"
  81         default n
  82
  83 config NO_MMU
  84         bool
  85         depends on !MMU
  86         default y
  87
  88 comment "Boot options"
  89
  90 config CMDLINE_BOOL
  91         bool "Default bootloader kernel arguments"
  92
  93 config CMDLINE
  94         string "Default kernel command string"
  95         depends on CMDLINE_BOOL
  96         default "console=ttyUL0,115200"
  97         help
  98           On some architectures there is currently no way for the boot loader
  99           to pass arguments to the kernel. For these architectures, you should
 100           supply some command-line options at build time by entering them
 101           here.
 102
 103 config CMDLINE_FORCE
 104         bool "Force default kernel command string"
 105         depends on CMDLINE_BOOL
 106         default n
 107         help
 108           Set this to have arguments from the default kernel command string
 109           override those passed by the boot loader.
 110
 111 config OF
 112         def_bool y
 113
 114 config PROC_DEVICETREE
 115         bool "Support for device tree in /proc"
 116         depends on PROC_FS
 117         help
 118           This option adds a device-tree directory under /proc which contains
 119           an image of the device tree that the kernel copies from Open
 120           Firmware or other boot firmware. If unsure, say Y here.
 121
 122 endmenu
 123
 124 menu "Advanced setup"
 125
 126 config ADVANCED_OPTIONS
 127         bool "Prompt for advanced kernel configuration options"
 128         depends on MMU
 129         help
 130           This option will enable prompting for a variety of advanced kernel
 131           configuration options.  These options can cause the kernel to not
 132           work if they are set incorrectly, but can be used to optimize certain
 133           aspects of kernel memory management.
 134
 135           Unless you know what you are doing, say N here.
 136
 137 comment "Default settings for advanced configuration options are used"
 138         depends on !ADVANCED_OPTIONS
 139
 140 config HIGHMEM_START_BOOL
 141         bool "Set high memory pool address"
 142         depends on ADVANCED_OPTIONS && HIGHMEM
 143         help
 144           This option allows you to set the base address of the kernel virtual
 145           area used to map high memory pages.  This can be useful in
 146           optimizing the layout of kernel virtual memory.
 147
 148           Say N here unless you know what you are doing.
 149
 150 config HIGHMEM_START
 151         hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
 152         depends on MMU
 153         default "0xfe000000"
 154
 155 config LOWMEM_SIZE_BOOL
 156         bool "Set maximum low memory"
 157         depends on ADVANCED_OPTIONS
 158         help
 159           This option allows you to set the maximum amount of memory which
 160           will be used as "low memory", that is, memory which the kernel can
 161           access directly, without having to set up a kernel virtual mapping.
 162           This can be useful in optimizing the layout of kernel virtual
 163           memory.
 164
 165           Say N here unless you know what you are doing.
 166
 167 config LOWMEM_SIZE
 168         hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
 169         depends on MMU
 170         default "0x30000000"
 171
 172 config KERNEL_START_BOOL
 173         bool "Set custom kernel base address"
 174         depends on ADVANCED_OPTIONS
 175         help
 176           This option allows you to set the kernel virtual address at which
 177           the kernel will map low memory (the kernel image will be linked at
 178           this address).  This can be useful in optimizing the virtual memory
 179           layout of the system.
 180
 181           Say N here unless you know what you are doing.
 182
 183 config KERNEL_START
 184         hex "Virtual address of kernel base" if KERNEL_START_BOOL
 185         default "0xc0000000" if MMU
 186         default KERNEL_BASE_ADDR if !MMU
 187
 188 config TASK_SIZE_BOOL
 189         bool "Set custom user task size"
 190         depends on ADVANCED_OPTIONS
 191         help
 192           This option allows you to set the amount of virtual address space
 193           allocated to user tasks.  This can be useful in optimizing the
 194           virtual memory layout of the system.
 195
 196           Say N here unless you know what you are doing.
 197
 198 config TASK_SIZE
 199         hex "Size of user task space" if TASK_SIZE_BOOL
 200         depends on MMU
 201         default "0x80000000"
 202
 203 config CONSISTENT_START_BOOL
 204         bool "Set custom consistent memory pool address"
 205         depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
 206         help
 207           This option allows you to set the base virtual address
 208           of the the consistent memory pool.  This pool of virtual
 209           memory is used to make consistent memory allocations.
 210
 211 config CONSISTENT_START
 212         hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
 213         depends on MMU
 214         default "0xff100000" if NOT_COHERENT_CACHE
 215
 216 config CONSISTENT_SIZE_BOOL
 217         bool "Set custom consistent memory pool size"
 218         depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
 219         help
 220           This option allows you to set the size of the the
 221           consistent memory pool.  This pool of virtual memory
 222           is used to make consistent memory allocations.
 223
 224 config CONSISTENT_SIZE
 225         hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
 226         depends on MMU
 227         default "0x00200000" if NOT_COHERENT_CACHE
 228
 229 endmenu
 230
 231 source "mm/Kconfig"
 232
 233 menu "Exectuable file formats"
 234
 235 source "fs/Kconfig.binfmt"
 236
 237 endmenu
 238
 239 source "net/Kconfig"
 240
 241 source "drivers/Kconfig"
 242
 243 source "fs/Kconfig"
 244
 245 source "arch/microblaze/Kconfig.debug"
 246
 247 source "security/Kconfig"
 248
 249 source "crypto/Kconfig"
 250
 251 source "lib/Kconfig"