arch/cris/Kconfig

   1 config MMU
   2         bool
   3         default y
   4
   5 config ZONE_DMA
   6         bool
   7         default y
   8
   9 config RWSEM_GENERIC_SPINLOCK
  10         bool
  11         default y
  12
  13 config RWSEM_XCHGADD_ALGORITHM
  14         bool
  15
  16 config ARCH_HAS_ILOG2_U32
  17         bool
  18         default n
  19
  20 config ARCH_HAS_ILOG2_U64
  21         bool
  22         default n
  23
  24 config GENERIC_HWEIGHT
  25         bool
  26         default y
  27
  28 config GENERIC_CALIBRATE_DELAY
  29         bool
  30         default y
  31
  32 config NO_IOPORT_MAP
  33         def_bool y
  34
  35 config FORCE_MAX_ZONEORDER
  36         int
  37         default 6
  38
  39 config TRACE_IRQFLAGS_SUPPORT
  40         depends on ETRAX_ARCH_V32
  41         def_bool y
  42
  43 config STACKTRACE_SUPPORT
  44         def_bool y
  45
  46 config LOCKDEP_SUPPORT
  47         depends on ETRAX_ARCH_V32
  48         def_bool y
  49
  50 config CRIS
  51         bool
  52         default y
  53         select HAVE_IDE
  54         select GENERIC_ATOMIC64
  55         select HAVE_UID16
  56         select VIRT_TO_BUS
  57         select ARCH_WANT_IPC_PARSE_VERSION
  58         select GENERIC_IRQ_SHOW
  59         select GENERIC_IOMAP
  60         select MODULES_USE_ELF_RELA
  61         select CLONE_BACKWARDS2
  62         select OLD_SIGSUSPEND
  63         select OLD_SIGACTION
  64         select ARCH_REQUIRE_GPIOLIB
  65         select IRQ_DOMAIN if ETRAX_ARCH_V32
  66         select OF if ETRAX_ARCH_V32
  67         select OF_EARLY_FLATTREE if ETRAX_ARCH_V32
  68         select CLKSRC_MMIO if ETRAX_ARCH_V32
  69         select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32
  70         select GENERIC_SCHED_CLOCK if ETRAX_ARCH_V32
  71         select HAVE_DEBUG_BUGVERBOSE if ETRAX_ARCH_V32
  72
  73 config HZ
  74         int
  75         default 100
  76
  77 config NR_CPUS
  78         int
  79         default "1"
  80
  81 config BUILTIN_DTB
  82         string "DTB to build into the kernel image"
  83         depends on OF
  84
  85 source "init/Kconfig"
  86
  87 source "kernel/Kconfig.freezer"
  88
  89 menu "General setup"
  90
  91 source "fs/Kconfig.binfmt"
  92
  93 config ETRAX_CMDLINE
  94         string "Kernel command line"
  95         default "root=/dev/mtdblock3"
  96         help
  97           Pass additional commands to the kernel.
  98
  99 config ETRAX_WATCHDOG
 100         bool "Enable ETRAX watchdog"
 101         help
 102           Enable the built-in watchdog timer support on ETRAX based embedded
 103           network computers.
 104
 105 config ETRAX_WATCHDOG_NICE_DOGGY
 106         bool "Disable watchdog during Oops printouts"
 107         depends on ETRAX_WATCHDOG
 108         help
 109           By enabling this you make sure that the watchdog does not bite while
 110           printing oopses. Recommended for development systems but not for
 111           production releases.
 112
 113 config ETRAX_FAST_TIMER
 114        bool "Enable ETRAX fast timer API"
 115        help
 116          This options enables the API to a fast timer implementation using
 117          timer1 to get sub jiffie resolution timers (primarily one-shot
 118          timers).
 119          This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
 120
 121 config ETRAX_KMALLOCED_MODULES
 122         bool "Enable module allocation with kmalloc"
 123         help
 124           Enable module allocation with kmalloc instead of vmalloc.
 125
 126 source "kernel/Kconfig.preempt"
 127
 128 source mm/Kconfig
 129
 130 endmenu
 131
 132 menu "Hardware setup"
 133
 134 choice
 135         prompt "Processor type"
 136         default ETRAX100LX
 137
 138 config ETRAX100LX
 139         bool "ETRAX-100LX-v1"
 140         select ARCH_USES_GETTIMEOFFSET
 141         help
 142           Support version 1 of the ETRAX 100LX.
 143
 144 config ETRAX100LX_V2
 145         bool "ETRAX-100LX-v2"
 146         select ARCH_USES_GETTIMEOFFSET
 147         help
 148           Support version 2 of the ETRAX 100LX.
 149
 150 config ETRAXFS
 151         bool "ETRAX-FS-V32"
 152         help
 153           Support CRIS V32.
 154
 155 config CRIS_MACH_ARTPEC3
 156         bool "ARTPEC-3"
 157         help
 158           Support Axis ARTPEC-3.
 159
 160 endchoice
 161
 162 config ETRAX_ARCH_V10
 163        bool
 164        default y if ETRAX100LX || ETRAX100LX_V2
 165        default n if !(ETRAX100LX || ETRAX100LX_V2)
 166        select TTY
 167
 168 config ETRAX_ARCH_V32
 169        bool
 170        default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
 171        default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
 172
 173 config ETRAX_DRAM_SIZE
 174         int "DRAM size (dec, in MB)"
 175         default "8"
 176         help
 177           Size of DRAM (decimal in MB) typically 2, 8 or 16.
 178
 179 config ETRAX_VMEM_SIZE
 180        int "Video memory size (dec, in MB)"
 181        depends on ETRAX_ARCH_V32 && !ETRAXFS
 182        default 8 if !ETRAXFS
 183        help
 184         Size of Video accessible memory (decimal, in MB).
 185
 186 config ETRAX_FLASH_BUSWIDTH
 187         int "Buswidth of NOR flash in bytes"
 188         default "2"
 189         help
 190           Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
 191
 192 config ETRAX_FLASH1_SIZE
 193        int "FLASH1 size (dec, in MB. 0 = Unknown)"
 194        default "0"
 195
 196 choice
 197         prompt "Product debug-port"
 198         default ETRAX_DEBUG_PORT0
 199
 200 config ETRAX_DEBUG_PORT0
 201         bool "Serial-0"
 202         help
 203           Choose a serial port for the ETRAX debug console.  Default to
 204           port 0.
 205
 206 config ETRAX_DEBUG_PORT1
 207         bool "Serial-1"
 208         help
 209           Use serial port 1 for the console.
 210
 211 config ETRAX_DEBUG_PORT2
 212         bool "Serial-2"
 213         help
 214           Use serial port 2 for the console.
 215
 216 config ETRAX_DEBUG_PORT3
 217         bool "Serial-3"
 218         help
 219           Use serial port 3 for the console.
 220
 221 config ETRAX_DEBUG_PORT_NULL
 222         bool "disabled"
 223         help
 224           Disable serial-port debugging.
 225
 226 endchoice
 227
 228 choice
 229         prompt "Kernel GDB port"
 230         depends on ETRAX_KGDB
 231         default ETRAX_KGDB_PORT0
 232         help
 233           Choose a serial port for kernel debugging.  NOTE: This port should
 234           not be enabled under Drivers for built-in interfaces (as it has its
 235           own initialization code) and should not be the same as the debug port.
 236
 237 config ETRAX_KGDB_PORT0
 238         bool "Serial-0"
 239         help
 240           Use serial port 0 for kernel debugging.
 241
 242 config ETRAX_KGDB_PORT1
 243         bool "Serial-1"
 244         help
 245           Use serial port 1 for kernel debugging.
 246
 247 config ETRAX_KGDB_PORT2
 248         bool "Serial-2"
 249         help
 250           Use serial port 2 for kernel debugging.
 251
 252 config ETRAX_KGDB_PORT3
 253         bool "Serial-3"
 254         help
 255           Use serial port 3 for kernel debugging.
 256
 257 endchoice
 258
 259 source arch/cris/arch-v10/Kconfig
 260 source arch/cris/arch-v32/Kconfig
 261
 262 endmenu
 263
 264 source "net/Kconfig"
 265
 266 # bring in ETRAX built-in drivers
 267 menu "Drivers for built-in interfaces"
 268 source arch/cris/arch-v10/drivers/Kconfig
 269 source arch/cris/arch-v32/drivers/Kconfig
 270
 271 config ETRAX_AXISFLASHMAP
 272         bool "Axis flash-map support"
 273         select MTD
 274         select MTD_CFI
 275         select MTD_CFI_AMDSTD
 276         select MTD_JEDECPROBE if ETRAX_ARCH_V32
 277         select MTD_BLOCK
 278         select MTD_COMPLEX_MAPPINGS
 279         help
 280           This option enables MTD mapping of flash devices.  Needed to use
 281           flash memories.  If unsure, say Y.
 282
 283 config ETRAX_SYNCHRONOUS_SERIAL
 284         bool "Synchronous serial-port support"
 285         help
 286           Select this to enable the synchronous serial port driver.
 287
 288 config ETRAX_SYNCHRONOUS_SERIAL_PORT0
 289         bool "Synchronous serial port 0 enabled"
 290         depends on ETRAX_SYNCHRONOUS_SERIAL
 291         help
 292           Enabled synchronous serial port 0.
 293
 294 config ETRAX_SYNCHRONOUS_SERIAL0_DMA
 295         bool "Enable DMA on synchronous serial port 0."
 296         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
 297         help
 298           A synchronous serial port can run in manual or DMA mode.
 299           Selecting this option will make it run in DMA mode.
 300
 301 config ETRAX_SYNCHRONOUS_SERIAL_PORT1
 302         bool "Synchronous serial port 1 enabled"
 303         depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
 304         help
 305           Enabled synchronous serial port 1.
 306
 307 config ETRAX_SYNCHRONOUS_SERIAL1_DMA
 308         bool "Enable DMA on synchronous serial port 1."
 309         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
 310         help
 311           A synchronous serial port can run in manual or DMA mode.
 312           Selecting this option will make it run in DMA mode.
 313
 314 choice
 315         prompt "Network LED behavior"
 316         depends on ETRAX_ETHERNET
 317         default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 318
 319 config ETRAX_NETWORK_LED_ON_WHEN_LINK
 320         bool "LED_on_when_link"
 321         help
 322           Selecting LED_on_when_link will light the LED when there is a
 323           connection and will flash off when there is activity.
 324
 325           Selecting LED_on_when_activity will light the LED only when
 326           there is activity.
 327
 328           This setting will also affect the behaviour of other activity LEDs
 329           e.g. Bluetooth.
 330
 331 config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 332         bool "LED_on_when_activity"
 333         help
 334           Selecting LED_on_when_link will light the LED when there is a
 335           connection and will flash off when there is activity.
 336
 337           Selecting LED_on_when_activity will light the LED only when
 338           there is activity.
 339
 340           This setting will also affect the behaviour of other activity LEDs
 341           e.g. Bluetooth.
 342
 343 endchoice
 344
 345 choice
 346         prompt "Ser0 DMA out channel"
 347         depends on ETRAX_SERIAL_PORT0
 348         default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
 349         default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
 350
 351 config ETRAX_SERIAL_PORT0_NO_DMA_OUT
 352         bool "Ser0 uses no DMA for output"
 353         help
 354           Do not use DMA for ser0 output.
 355
 356 config ETRAX_SERIAL_PORT0_DMA6_OUT
 357         bool "Ser0 uses DMA6 for output"
 358         depends on ETRAXFS
 359         help
 360           Enables the DMA6 output channel for ser0 (ttyS0).
 361           If you do not enable DMA, an interrupt for each character will be
 362           used when transmitting data.
 363           Normally you want to use DMA, unless you use the DMA channel for
 364           something else.
 365
 366 config ETRAX_SERIAL_PORT0_DMA0_OUT
 367         bool "Ser0 uses DMA0 for output"
 368         depends on CRIS_MACH_ARTPEC3
 369         help
 370           Enables the DMA0 output channel for ser0 (ttyS0).
 371           If you do not enable DMA, an interrupt for each character will be
 372           used when transmitting data.
 373           Normally you want to use DMA, unless you use the DMA channel for
 374           something else.
 375
 376 endchoice
 377
 378 choice
 379         prompt "Ser0 DMA in channel "
 380         depends on ETRAX_SERIAL_PORT0
 381         default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
 382         default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
 383         help
 384           What DMA channel to use for ser0.
 385
 386 config ETRAX_SERIAL_PORT0_NO_DMA_IN
 387         bool "Ser0 uses no DMA for input"
 388         help
 389           Do not use DMA for ser0 input.
 390
 391 config ETRAX_SERIAL_PORT0_DMA7_IN
 392         bool "Ser0 uses DMA7 for input"
 393         depends on ETRAXFS
 394         help
 395           Enables the DMA7 input channel for ser0 (ttyS0).
 396           If you do not enable DMA, an interrupt for each character will be
 397           used when receiving data.
 398           Normally you want to use DMA, unless you use the DMA channel for
 399           something else.
 400
 401 config ETRAX_SERIAL_PORT0_DMA1_IN
 402         bool "Ser0 uses DMA1 for input"
 403         depends on CRIS_MACH_ARTPEC3
 404         help
 405           Enables the DMA1 input channel for ser0 (ttyS0).
 406           If you do not enable DMA, an interrupt for each character will be
 407           used when receiving data.
 408           Normally you want to use DMA, unless you use the DMA channel for
 409           something else.
 410
 411 endchoice
 412
 413 choice
 414         prompt "Ser1 DMA in channel "
 415         depends on ETRAX_SERIAL_PORT1
 416         default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
 417         default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
 418         help
 419           What DMA channel to use for ser1.
 420
 421 config ETRAX_SERIAL_PORT1_NO_DMA_IN
 422         bool "Ser1 uses no DMA for input"
 423         help
 424           Do not use DMA for ser1 input.
 425
 426 config ETRAX_SERIAL_PORT1_DMA5_IN
 427         bool "Ser1 uses DMA5 for input"
 428         depends on ETRAX_ARCH_V32
 429         help
 430           Enables the DMA5 input channel for ser1 (ttyS1).
 431           If you do not enable DMA, an interrupt for each character will be
 432           used when receiving data.
 433           Normally you want this on, unless you use the DMA channel for
 434           something else.
 435
 436 config ETRAX_SERIAL_PORT1_DMA9_IN
 437         depends on ETRAX_ARCH_V10
 438         bool "Ser1 uses DMA9 for input"
 439
 440 endchoice
 441
 442
 443 choice
 444         prompt "Ser1 DMA out channel"
 445         depends on ETRAX_SERIAL_PORT1
 446         default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
 447         default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
 448         help
 449           What DMA channel to use for ser1.
 450
 451 config ETRAX_SERIAL_PORT1_NO_DMA_OUT
 452         bool "Ser1 uses no DMA for output"
 453         help
 454           Do not use DMA for ser1 output.
 455
 456 config ETRAX_SERIAL_PORT1_DMA8_OUT
 457         depends on ETRAX_ARCH_V10
 458         bool "Ser1 uses DMA8 for output"
 459
 460 config ETRAX_SERIAL_PORT1_DMA4_OUT
 461         depends on ETRAX_ARCH_V32
 462         bool "Ser1 uses DMA4 for output"
 463         help
 464           Enables the DMA4 output channel for ser1 (ttyS1).
 465           If you do not enable DMA, an interrupt for each character will be
 466           used when transmitting data.
 467           Normally you want this on, unless you use the DMA channel for
 468           something else.
 469
 470 endchoice
 471
 472 choice
 473         prompt "Ser2 DMA out channel"
 474         depends on ETRAX_SERIAL_PORT2
 475         default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
 476         default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
 477
 478 config ETRAX_SERIAL_PORT2_NO_DMA_OUT
 479         bool "Ser2 uses no DMA for output"
 480         help
 481           Do not use DMA for ser2 output.
 482
 483 config ETRAX_SERIAL_PORT2_DMA2_OUT
 484         bool "Ser2 uses DMA2 for output"
 485         depends on ETRAXFS || ETRAX_ARCH_V10
 486         help
 487           Enables the DMA2 output channel for ser2 (ttyS2).
 488           If you do not enable DMA, an interrupt for each character will be
 489           used when transmitting data.
 490           Normally you want to use DMA, unless you use the DMA channel for
 491           something else.
 492
 493 config ETRAX_SERIAL_PORT2_DMA6_OUT
 494         bool "Ser2 uses DMA6 for output"
 495         depends on CRIS_MACH_ARTPEC3
 496         help
 497           Enables the DMA6 output channel for ser2 (ttyS2).
 498           If you do not enable DMA, an interrupt for each character will be
 499           used when transmitting data.
 500           Normally you want to use DMA, unless you use the DMA channel for
 501           something else.
 502
 503 endchoice
 504
 505 choice
 506         prompt "Ser2 DMA in channel"
 507         depends on ETRAX_SERIAL_PORT2
 508         default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
 509         default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
 510         help
 511           What DMA channel to use for ser2.
 512
 513 config ETRAX_SERIAL_PORT2_NO_DMA_IN
 514         bool "Ser2 uses no DMA for input"
 515         help
 516           Do not use DMA for ser2 input.
 517
 518 config ETRAX_SERIAL_PORT2_DMA3_IN
 519         bool "Ser2 uses DMA3 for input"
 520         depends on ETRAXFS || ETRAX_ARCH_V10
 521         help
 522           Enables the DMA3 input channel for ser2 (ttyS2).
 523           If you do not enable DMA, an interrupt for each character will be
 524           used when receiving data.
 525           Normally you want to use DMA, unless you use the DMA channel for
 526           something else.
 527
 528 config ETRAX_SERIAL_PORT2_DMA7_IN
 529         bool "Ser2 uses DMA7 for input"
 530         depends on CRIS_MACH_ARTPEC3
 531         help
 532           Enables the DMA7 input channel for ser2 (ttyS2).
 533           If you do not enable DMA, an interrupt for each character will be
 534           used when receiving data.
 535           Normally you want to use DMA, unless you use the DMA channel for
 536           something else.
 537
 538 endchoice
 539
 540 choice
 541         prompt "Ser3 DMA in channel"
 542         depends on ETRAX_SERIAL_PORT3
 543         default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
 544         default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
 545         help
 546           What DMA channel to use for ser3.
 547
 548 config ETRAX_SERIAL_PORT3_NO_DMA_IN
 549         bool "Ser3 uses no DMA for input"
 550         help
 551           Do not use DMA for ser3 input.
 552
 553 config ETRAX_SERIAL_PORT3_DMA5_IN
 554         depends on ETRAX_ARCH_V10
 555         bool "DMA 5"
 556
 557 endchoice
 558
 559 choice
 560         prompt "Ser3 DMA out channel"
 561         depends on ETRAX_SERIAL_PORT3
 562         default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
 563         default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
 564
 565 config ETRAX_SERIAL_PORT3_NO_DMA_OUT
 566         bool "Ser3 uses no DMA for output"
 567         help
 568           Do not use DMA for ser3 output.
 569
 570 config ETRAX_SERIAL_PORT3_DMA4_OUT
 571         depends on ETRAX_ARCH_V10
 572         bool "DMA 4"
 573
 574 endchoice
 575
 576 endmenu
 577
 578 source "drivers/Kconfig"
 579
 580 source "fs/Kconfig"
 581
 582 source "arch/cris/Kconfig.debug"
 583
 584 source "security/Kconfig"
 585
 586 source "crypto/Kconfig"
 587
 588 source "lib/Kconfig"