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 USB_ARCH_HAS_EHCI
  10         select ARCH_WANT_OPTIONAL_GPIOLIB
  11
  12 config SWAP
  13         def_bool n
  14
  15 config RWSEM_GENERIC_SPINLOCK
  16         def_bool y
  17
  18 config RWSEM_XCHGADD_ALGORITHM
  19         bool
  20
  21 config ARCH_HAS_ILOG2_U32
  22         def_bool n
  23
  24 config ARCH_HAS_ILOG2_U64
  25         def_bool n
  26
  27 config GENERIC_FIND_NEXT_BIT
  28         def_bool y
  29
  30 config GENERIC_HWEIGHT
  31         def_bool y
  32
  33 config GENERIC_HARDIRQS
  34         def_bool y
  35
  36 config GENERIC_IRQ_PROBE
  37         def_bool y
  38
  39 config GENERIC_CALIBRATE_DELAY
  40         def_bool y
  41
  42 config GENERIC_TIME
  43         def_bool y
  44
  45 config GENERIC_TIME_VSYSCALL
  46         def_bool n
  47
  48 config GENERIC_CLOCKEVENTS
  49         def_bool y
  50
  51 config GENERIC_HARDIRQS_NO__DO_IRQ
  52         def_bool y
  53
  54 config GENERIC_GPIO
  55         def_bool y
  56
  57 config GENERIC_CSUM
  58         def_bool y
  59
  60 config PCI
  61         def_bool n
  62
  63 config NO_DMA
  64         def_bool y
  65
  66 source "init/Kconfig"
  67
  68 source "kernel/Kconfig.freezer"
  69
  70 source "arch/microblaze/platform/Kconfig.platform"
  71
  72 menu "Processor type and features"
  73
  74 source kernel/time/Kconfig
  75
  76 source "kernel/Kconfig.preempt"
  77
  78 source "kernel/Kconfig.hz"
  79
  80 config MMU
  81         bool "MMU support"
  82         default n
  83
  84 config NO_MMU
  85         bool
  86         depends on !MMU
  87         default y
  88
  89 comment "Boot options"
  90
  91 config CMDLINE_BOOL
  92         bool "Default bootloader kernel arguments"
  93
  94 config CMDLINE
  95         string "Default kernel command string"
  96         depends on CMDLINE_BOOL
  97         default "console=ttyUL0,115200"
  98         help
  99           On some architectures there is currently no way for the boot loader
 100           to pass arguments to the kernel. For these architectures, you should
 101           supply some command-line options at build time by entering them
 102           here.
 103
 104 config CMDLINE_FORCE
 105         bool "Force default kernel command string"
 106         depends on CMDLINE_BOOL
 107         default n
 108         help
 109           Set this to have arguments from the default kernel command string
 110           override those passed by the boot loader.
 111
 112 config OF
 113         def_bool y
 114         select OF_FLATTREE
 115
 116 config PROC_DEVICETREE
 117         bool "Support for device tree in /proc"
 118         depends on PROC_FS
 119         help
 120           This option adds a device-tree directory under /proc which contains
 121           an image of the device tree that the kernel copies from Open
 122           Firmware or other boot firmware. If unsure, say Y here.
 123
 124 endmenu
 125
 126 menu "Advanced setup"
 127
 128 config ADVANCED_OPTIONS
 129         bool "Prompt for advanced kernel configuration options"
 130         depends on MMU
 131         help
 132           This option will enable prompting for a variety of advanced kernel
 133           configuration options.  These options can cause the kernel to not
 134           work if they are set incorrectly, but can be used to optimize certain
 135           aspects of kernel memory management.
 136
 137           Unless you know what you are doing, say N here.
 138
 139 comment "Default settings for advanced configuration options are used"
 140         depends on !ADVANCED_OPTIONS
 141
 142 config HIGHMEM_START_BOOL
 143         bool "Set high memory pool address"
 144         depends on ADVANCED_OPTIONS && HIGHMEM
 145         help
 146           This option allows you to set the base address of the kernel virtual
 147           area used to map high memory pages.  This can be useful in
 148           optimizing the layout of kernel virtual memory.
 149
 150           Say N here unless you know what you are doing.
 151
 152 config HIGHMEM_START
 153         hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
 154         depends on MMU
 155         default "0xfe000000"
 156
 157 config LOWMEM_SIZE_BOOL
 158         bool "Set maximum low memory"
 159         depends on ADVANCED_OPTIONS
 160         help
 161           This option allows you to set the maximum amount of memory which
 162           will be used as "low memory", that is, memory which the kernel can
 163           access directly, without having to set up a kernel virtual mapping.
 164           This can be useful in optimizing the layout of kernel virtual
 165           memory.
 166
 167           Say N here unless you know what you are doing.
 168
 169 config LOWMEM_SIZE
 170         hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
 171         depends on MMU
 172         default "0x30000000"
 173
 174 config KERNEL_START_BOOL
 175         bool "Set custom kernel base address"
 176         depends on ADVANCED_OPTIONS
 177         help
 178           This option allows you to set the kernel virtual address at which
 179           the kernel will map low memory (the kernel image will be linked at
 180           this address).  This can be useful in optimizing the virtual memory
 181           layout of the system.
 182
 183           Say N here unless you know what you are doing.
 184
 185 config KERNEL_START
 186         hex "Virtual address of kernel base" if KERNEL_START_BOOL
 187         default "0xc0000000" if MMU
 188         default KERNEL_BASE_ADDR if !MMU
 189
 190 config TASK_SIZE_BOOL
 191         bool "Set custom user task size"
 192         depends on ADVANCED_OPTIONS
 193         help
 194           This option allows you to set the amount of virtual address space
 195           allocated to user tasks.  This can be useful in optimizing the
 196           virtual memory layout of the system.
 197
 198           Say N here unless you know what you are doing.
 199
 200 config TASK_SIZE
 201         hex "Size of user task space" if TASK_SIZE_BOOL
 202         depends on MMU
 203         default "0x80000000"
 204
 205 config CONSISTENT_START_BOOL
 206         bool "Set custom consistent memory pool address"
 207         depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
 208         help
 209           This option allows you to set the base virtual address
 210           of the the consistent memory pool.  This pool of virtual
 211           memory is used to make consistent memory allocations.
 212
 213 config CONSISTENT_START
 214         hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
 215         depends on MMU
 216         default "0xff100000" if NOT_COHERENT_CACHE
 217
 218 config CONSISTENT_SIZE_BOOL
 219         bool "Set custom consistent memory pool size"
 220         depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
 221         help
 222           This option allows you to set the size of the the
 223           consistent memory pool.  This pool of virtual memory
 224           is used to make consistent memory allocations.
 225
 226 config CONSISTENT_SIZE
 227         hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
 228         depends on MMU
 229         default "0x00200000" if NOT_COHERENT_CACHE
 230
 231 endmenu
 232
 233 source "mm/Kconfig"
 234
 235 menu "Exectuable file formats"
 236
 237 source "fs/Kconfig.binfmt"
 238
 239 endmenu
 240
 241 source "net/Kconfig"
 242
 243 source "drivers/Kconfig"
 244
 245 source "fs/Kconfig"
 246
 247 source "arch/microblaze/Kconfig.debug"
 248
 249 source "security/Kconfig"
 250
 251 source "crypto/Kconfig"
 252
 253 source "lib/Kconfig"