arch/cris/Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see the Configure script.
   4 #
   5
   6 mainmenu "Linux/CRIS Kernel Configuration"
   7
   8 config MMU
   9         bool
  10         default y
  11
  12 config ZONE_DMA
  13         bool
  14         default y
  15
  16 config RWSEM_GENERIC_SPINLOCK
  17         bool
  18         default y
  19
  20 config RWSEM_XCHGADD_ALGORITHM
  21         bool
  22
  23 config GENERIC_IOMAP
  24        bool
  25        default y
  26
  27 config ARCH_HAS_ILOG2_U32
  28         bool
  29         default n
  30
  31 config ARCH_HAS_ILOG2_U64
  32         bool
  33         default n
  34
  35 config GENERIC_FIND_NEXT_BIT
  36         bool
  37         default y
  38
  39 config GENERIC_HWEIGHT
  40         bool
  41         default y
  42
  43 config GENERIC_CALIBRATE_DELAY
  44         bool
  45         default y
  46
  47 config NO_IOPORT
  48         def_bool y
  49
  50 config FORCE_MAX_ZONEORDER
  51         int
  52         default 6
  53
  54 config CRIS
  55         bool
  56         default y
  57
  58 source "init/Kconfig"
  59
  60 menu "General setup"
  61
  62 source "fs/Kconfig.binfmt"
  63
  64 config GENERIC_HARDIRQS
  65         bool
  66         default y
  67
  68 config ETRAX_CMDLINE
  69         string "Kernel command line"
  70         default "root=/dev/mtdblock3"
  71         help
  72           Pass additional commands to the kernel.
  73
  74 config ETRAX_WATCHDOG
  75         bool "Enable ETRAX watchdog"
  76         help
  77           Enable the built-in watchdog timer support on ETRAX based embedded
  78           network computers.
  79
  80 config ETRAX_WATCHDOG_NICE_DOGGY
  81         bool "Disable watchdog during Oops printouts"
  82         depends on ETRAX_WATCHDOG
  83         help
  84           By enabling this you make sure that the watchdog does not bite while
  85           printing oopses. Recommended for development systems but not for
  86           production releases.
  87
  88 config ETRAX_FAST_TIMER
  89        bool "Enable ETRAX fast timer API"
  90        help
  91          This options enables the API to a fast timer implementation using
  92          timer1 to get sub jiffie resolution timers (primarily one-shot
  93          timers).
  94          This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
  95
  96 config ETRAX_KMALLOCED_MODULES
  97         bool "Enable module allocation with kmalloc"
  98         help
  99           Enable module allocation with kmalloc instead of vmalloc.
 100
 101 config OOM_REBOOT
 102        bool "Enable reboot at out of memory"
 103
 104 source "kernel/Kconfig.preempt"
 105
 106 source mm/Kconfig
 107
 108 endmenu
 109
 110 menu "Hardware setup"
 111
 112 choice
 113         prompt "Processor type"
 114         default ETRAX100LX
 115
 116 config ETRAX100LX
 117         bool "ETRAX-100LX-v1"
 118         help
 119           Support version 1 of the ETRAX 100LX.
 120
 121 config ETRAX100LX_V2
 122         bool "ETRAX-100LX-v2"
 123         help
 124           Support version 2 of the ETRAX 100LX.
 125
 126 config SVINTO_SIM
 127         bool "ETRAX-100LX-for-xsim-simulator"
 128         help
 129           Support the xsim ETRAX Simulator.
 130
 131 config ETRAXFS
 132         bool "ETRAX-FS-V32"
 133         help
 134           Support CRIS V32.
 135
 136 config CRIS_MACH_ARTPEC3
 137         bool "ARTPEC-3"
 138         help
 139           Support Axis ARTPEC-3.
 140
 141 endchoice
 142
 143 config ETRAX_VCS_SIM
 144         bool "VCS Simulator"
 145         help
 146           Setup hardware to be run in the VCS simulator.
 147
 148 config ETRAX_ARCH_V10
 149        bool
 150        default y if ETRAX100LX || ETRAX100LX_V2
 151        default n if !(ETRAX100LX || ETRAX100LX_V2)
 152
 153 config ETRAX_ARCH_V32
 154        bool
 155        default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
 156        default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
 157
 158 config ETRAX_DRAM_SIZE
 159         int "DRAM size (dec, in MB)"
 160         default "8"
 161         help
 162           Size of DRAM (decimal in MB) typically 2, 8 or 16.
 163
 164 config ETRAX_VMEM_SIZE
 165        int "Video memory size (dec, in MB)"
 166        depends on ETRAX_ARCH_V32 && !ETRAXFS
 167        default 8 if !ETRAXFS
 168        help
 169         Size of Video accessible memory (decimal, in MB).
 170
 171 config ETRAX_FLASH_BUSWIDTH
 172         int "Buswidth of NOR flash in bytes"
 173         default "2"
 174         help
 175           Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
 176
 177 config ETRAX_NANDFLASH_BUSWIDTH
 178         int "Buswidth of NAND flash in bytes"
 179         default "1"
 180         help
 181           Width in bytes of the NAND flash (1 or 2).
 182
 183 config ETRAX_FLASH1_SIZE
 184        int "FLASH1 size (dec, in MB. 0 = Unknown)"
 185        default "0"
 186
 187 choice
 188         prompt "Product debug-port"
 189         default ETRAX_DEBUG_PORT0
 190
 191 config ETRAX_DEBUG_PORT0
 192         bool "Serial-0"
 193         help
 194           Choose a serial port for the ETRAX debug console.  Default to
 195           port 0.
 196
 197 config ETRAX_DEBUG_PORT1
 198         bool "Serial-1"
 199         help
 200           Use serial port 1 for the console.
 201
 202 config ETRAX_DEBUG_PORT2
 203         bool "Serial-2"
 204         help
 205           Use serial port 2 for the console.
 206
 207 config ETRAX_DEBUG_PORT3
 208         bool "Serial-3"
 209         help
 210           Use serial port 3 for the console.
 211
 212 config ETRAX_DEBUG_PORT_NULL
 213         bool "disabled"
 214         help
 215           Disable serial-port debugging.
 216
 217 endchoice
 218
 219 choice
 220         prompt "Kernel GDB port"
 221         depends on ETRAX_KGDB
 222         default ETRAX_KGDB_PORT0
 223         help
 224           Choose a serial port for kernel debugging.  NOTE: This port should
 225           not be enabled under Drivers for built-in interfaces (as it has its
 226           own initialization code) and should not be the same as the debug port.
 227
 228 config ETRAX_KGDB_PORT0
 229         bool "Serial-0"
 230         help
 231           Use serial port 0 for kernel debugging.
 232
 233 config ETRAX_KGDB_PORT1
 234         bool "Serial-1"
 235         help
 236           Use serial port 1 for kernel debugging.
 237
 238 config ETRAX_KGDB_PORT2
 239         bool "Serial-2"
 240         help
 241           Use serial port 2 for kernel debugging.
 242
 243 config ETRAX_KGDB_PORT3
 244         bool "Serial-3"
 245         help
 246           Use serial port 3 for kernel debugging.
 247
 248 endchoice
 249
 250 source arch/cris/arch-v10/Kconfig
 251 source arch/cris/arch-v32/Kconfig
 252
 253 endmenu
 254
 255 source "net/Kconfig"
 256
 257 # bring in ETRAX built-in drivers
 258 menu "Drivers for built-in interfaces"
 259 source arch/cris/arch-v10/drivers/Kconfig
 260 source arch/cris/arch-v32/drivers/Kconfig
 261
 262 config ETRAX_RTC
 263         bool "Real Time Clock support"
 264         depends on ETRAX_I2C
 265         help
 266           Enables drivers for the Real-Time Clock battery-backed chips on
 267           some products. The kernel reads the time when booting, and
 268           the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
 269           rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
 270           device.  You can check the time with cat /proc/rtc, but
 271           normal time reading should be done using libc function time and
 272           friends.
 273
 274 choice
 275         prompt "RTC chip"
 276         depends on ETRAX_RTC
 277         default ETRAX_PCF8563 if ETRAX_ARCH_V32
 278         default ETRAX_DS1302 if ETRAX_ARCH_V10
 279
 280 config ETRAX_DS1302
 281         depends on ETRAX_ARCH_V10
 282         bool "DS1302"
 283         help
 284           Enables the driver for the DS1302 Real-Time Clock battery-backed
 285           chip on some products.
 286
 287 config ETRAX_PCF8563
 288         bool "PCF8563"
 289         help
 290           Enables the driver for the PCF8563 Real-Time Clock battery-backed
 291           chip on some products.
 292
 293 endchoice
 294
 295 config ETRAX_SYNCHRONOUS_SERIAL
 296         bool "Synchronous serial-port support"
 297         help
 298           Select this to enable the synchronous serial port driver.
 299
 300 config ETRAX_SYNCHRONOUS_SERIAL_PORT0
 301         bool "Synchronous serial port 0 enabled"
 302         depends on ETRAX_SYNCHRONOUS_SERIAL
 303         help
 304           Enabled synchronous serial port 0.
 305
 306 config ETRAX_SYNCHRONOUS_SERIAL0_DMA
 307         bool "Enable DMA on synchronous serial port 0."
 308         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
 309         help
 310           A synchronous serial port can run in manual or DMA mode.
 311           Selecting this option will make it run in DMA mode.
 312
 313 config ETRAX_SYNCHRONOUS_SERIAL_PORT1
 314         bool "Synchronous serial port 1 enabled"
 315         depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
 316         help
 317           Enabled synchronous serial port 1.
 318
 319 config ETRAX_SYNCHRONOUS_SERIAL1_DMA
 320         bool "Enable DMA on synchronous serial port 1."
 321         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
 322         help
 323           A synchronous serial port can run in manual or DMA mode.
 324           Selecting this option will make it run in DMA mode.
 325
 326 choice
 327         prompt "Network LED behavior"
 328         depends on ETRAX_ETHERNET
 329         default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 330
 331 config ETRAX_NETWORK_LED_ON_WHEN_LINK
 332         bool "LED_on_when_link"
 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 config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 344         bool "LED_on_when_activity"
 345         help
 346           Selecting LED_on_when_link will light the LED when there is a
 347           connection and will flash off when there is activity.
 348
 349           Selecting LED_on_when_activity will light the LED only when
 350           there is activity.
 351
 352           This setting will also affect the behaviour of other activity LEDs
 353           e.g. Bluetooth.
 354
 355 endchoice
 356
 357 choice
 358         prompt "Ser0 DMA out channel"
 359         depends on ETRAX_SERIAL_PORT0
 360         default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
 361         default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
 362
 363 config ETRAX_SERIAL_PORT0_NO_DMA_OUT
 364         bool "Ser0 uses no DMA for output"
 365         help
 366           Do not use DMA for ser0 output.
 367
 368 config ETRAX_SERIAL_PORT0_DMA6_OUT
 369         bool "Ser0 uses DMA6 for output"
 370         depends on ETRAXFS
 371         help
 372           Enables the DMA6 output channel for ser0 (ttyS0).
 373           If you do not enable DMA, an interrupt for each character will be
 374           used when transmitting data.
 375           Normally you want to use DMA, unless you use the DMA channel for
 376           something else.
 377
 378 config ETRAX_SERIAL_PORT0_DMA0_OUT
 379         bool "Ser0 uses DMA0 for output"
 380         depends on CRIS_MACH_ARTPEC3
 381         help
 382           Enables the DMA0 output channel for ser0 (ttyS0).
 383           If you do not enable DMA, an interrupt for each character will be
 384           used when transmitting data.
 385           Normally you want to use DMA, unless you use the DMA channel for
 386           something else.
 387
 388 endchoice
 389
 390 choice
 391         prompt "Ser0 DMA in channel "
 392         depends on ETRAX_SERIAL_PORT0
 393         default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
 394         default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
 395         help
 396           What DMA channel to use for ser0.
 397
 398 config ETRAX_SERIAL_PORT0_NO_DMA_IN
 399         bool "Ser0 uses no DMA for input"
 400         help
 401           Do not use DMA for ser0 input.
 402
 403 config ETRAX_SERIAL_PORT0_DMA7_IN
 404         bool "Ser0 uses DMA7 for input"
 405         depends on ETRAXFS
 406         help
 407           Enables the DMA7 input channel for ser0 (ttyS0).
 408           If you do not enable DMA, an interrupt for each character will be
 409           used when receiving data.
 410           Normally you want to use DMA, unless you use the DMA channel for
 411           something else.
 412
 413 config ETRAX_SERIAL_PORT0_DMA1_IN
 414         bool "Ser0 uses DMA1 for input"
 415         depends on CRIS_MACH_ARTPEC3
 416         help
 417           Enables the DMA1 input channel for ser0 (ttyS0).
 418           If you do not enable DMA, an interrupt for each character will be
 419           used when receiveing data.
 420           Normally you want to use DMA, unless you use the DMA channel for
 421           something else.
 422
 423 endchoice
 424
 425 choice
 426         prompt "Ser1 DMA in channel "
 427         depends on ETRAX_SERIAL_PORT1
 428         default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
 429         default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
 430         help
 431           What DMA channel to use for ser1.
 432
 433 config ETRAX_SERIAL_PORT1_NO_DMA_IN
 434         bool "Ser1 uses no DMA for input"
 435         help
 436           Do not use DMA for ser1 input.
 437
 438 config ETRAX_SERIAL_PORT1_DMA5_IN
 439         bool "Ser1 uses DMA5 for input"
 440         depends on ETRAX_ARCH_V32
 441         help
 442           Enables the DMA5 input channel for ser1 (ttyS1).
 443           If you do not enable DMA, an interrupt for each character will be
 444           used when receiving data.
 445           Normally you want this on, unless you use the DMA channel for
 446           something else.
 447
 448 config ETRAX_SERIAL_PORT1_DMA9_IN
 449         depends on ETRAX_ARCH_V10
 450         bool "Ser1 uses DMA9 for input"
 451
 452 endchoice
 453
 454
 455 choice
 456         prompt "Ser1 DMA out channel"
 457         depends on ETRAX_SERIAL_PORT1
 458         default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
 459         default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
 460         help
 461           What DMA channel to use for ser1.
 462
 463 config ETRAX_SERIAL_PORT1_NO_DMA_OUT
 464         bool "Ser1 uses no DMA for output"
 465         help
 466           Do not use DMA for ser1 output.
 467
 468 config ETRAX_SERIAL_PORT1_DMA8_OUT
 469         depends on ETRAX_ARCH_V10
 470         bool "Ser1 uses DMA8 for output"
 471
 472 config ETRAX_SERIAL_PORT1_DMA4_OUT
 473         depends on ETRAX_ARCH_V32
 474         bool "Ser1 uses DMA4 for output"
 475         help
 476           Enables the DMA4 output channel for ser1 (ttyS1).
 477           If you do not enable DMA, an interrupt for each character will be
 478           used when transmitting data.
 479           Normally you want this on, unless you use the DMA channel for
 480           something else.
 481
 482 endchoice
 483
 484 choice
 485         prompt "Ser2 DMA out channel"
 486         depends on ETRAX_SERIAL_PORT2
 487         default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
 488         default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
 489
 490 config ETRAX_SERIAL_PORT2_NO_DMA_OUT
 491         bool "Ser2 uses no DMA for output"
 492         help
 493           Do not use DMA for ser2 output.
 494
 495 config ETRAX_SERIAL_PORT2_DMA2_OUT
 496         bool "Ser2 uses DMA2 for output"
 497         depends on ETRAXFS || ETRAX_ARCH_V10
 498         help
 499           Enables the DMA2 output channel for ser2 (ttyS2).
 500           If you do not enable DMA, an interrupt for each character will be
 501           used when transmitting data.
 502           Normally you want to use DMA, unless you use the DMA channel for
 503           something else.
 504
 505 config ETRAX_SERIAL_PORT2_DMA6_OUT
 506         bool "Ser2 uses DMA6 for output"
 507         depends on CRIS_MACH_ARTPEC3
 508         help
 509           Enables the DMA6 output channel for ser2 (ttyS2).
 510           If you do not enable DMA, an interrupt for each character will be
 511           used when transmitting data.
 512           Normally you want to use DMA, unless you use the DMA channel for
 513           something else.
 514
 515 endchoice
 516
 517 choice
 518         prompt "Ser2 DMA in channel"
 519         depends on ETRAX_SERIAL_PORT2
 520         default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
 521         default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
 522         help
 523           What DMA channel to use for ser2.
 524
 525 config ETRAX_SERIAL_PORT2_NO_DMA_IN
 526         bool "Ser2 uses no DMA for input"
 527         help
 528           Do not use DMA for ser2 input.
 529
 530 config ETRAX_SERIAL_PORT2_DMA3_IN
 531         bool "Ser2 uses DMA3 for input"
 532         depends on ETRAXFS || ETRAX_ARCH_V10
 533         help
 534           Enables the DMA3 input channel for ser2 (ttyS2).
 535           If you do not enable DMA, an interrupt for each character will be
 536           used when receiving data.
 537           Normally you want to use DMA, unless you use the DMA channel for
 538           something else.
 539
 540 config ETRAX_SERIAL_PORT2_DMA7_IN
 541         bool "Ser2 uses DMA7 for input"
 542         depends on CRIS_MACH_ARTPEC3
 543         help
 544           Enables the DMA7 input channel for ser2 (ttyS2).
 545           If you do not enable DMA, an interrupt for each character will be
 546           used when receiveing data.
 547           Normally you want to use DMA, unless you use the DMA channel for
 548           something else.
 549
 550 endchoice
 551
 552 choice
 553         prompt "Ser3 DMA in channel"
 554         depends on ETRAX_SERIAL_PORT3
 555         default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
 556         default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
 557         help
 558           What DMA channel to use for ser3.
 559
 560 config ETRAX_SERIAL_PORT3_NO_DMA_IN
 561         bool "Ser3 uses no DMA for input"
 562         help
 563           Do not use DMA for ser3 input.
 564
 565 config ETRAX_SERIAL_PORT3_DMA5_IN
 566         depends on ETRAX_ARCH_V10
 567         bool "DMA 5"
 568
 569 config ETRAX_SERIAL_PORT3_DMA9_IN
 570         bool "Ser3 uses DMA9 for input"
 571         depends on ETRAXFS
 572         help
 573           Enables the DMA9 input channel for ser3 (ttyS3).
 574           If you do not enable DMA, an interrupt for each character will be
 575           used when receiving data.
 576           Normally you want to use DMA, unless you use the DMA channel for
 577           something else.
 578
 579 config ETRAX_SERIAL_PORT3_DMA3_IN
 580         bool "Ser3 uses DMA3 for input"
 581         depends on CRIS_MACH_ARTPEC3
 582         help
 583           Enables the DMA3 input channel for ser3 (ttyS3).
 584           If you do not enable DMA, an interrupt for each character will be
 585           used when receiveing data.
 586           Normally you want to use DMA, unless you use the DMA channel for
 587           something else.
 588
 589 endchoice
 590
 591 choice
 592         prompt "Ser3 DMA out channel"
 593         depends on ETRAX_SERIAL_PORT3
 594         default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
 595         default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
 596
 597 config ETRAX_SERIAL_PORT3_NO_DMA_OUT
 598         bool "Ser3 uses no DMA for output"
 599         help
 600           Do not use DMA for ser3 output.
 601
 602 config ETRAX_SERIAL_PORT3_DMA4_OUT
 603         depends on ETRAX_ARCH_V10
 604         bool "DMA 4"
 605
 606 config ETRAX_SERIAL_PORT3_DMA8_OUT
 607         bool "Ser3 uses DMA8 for output"
 608         depends on ETRAXFS
 609         help
 610           Enables the DMA8 output channel for ser3 (ttyS3).
 611           If you do not enable DMA, an interrupt for each character will be
 612           used when transmitting data.
 613           Normally you want to use DMA, unless you use the DMA channel for
 614           something else.
 615
 616 config ETRAX_SERIAL_PORT3_DMA2_OUT
 617         bool "Ser3 uses DMA2 for output"
 618         depends on CRIS_MACH_ARTPEC3
 619         help
 620           Enables the DMA2 output channel for ser3 (ttyS3).
 621           If you do not enable DMA, an interrupt for each character will be
 622           used when transmitting data.
 623           Normally you want to use DMA, unless you use the DMA channel for
 624           something else.
 625
 626 endchoice
 627
 628 endmenu
 629
 630 source "drivers/base/Kconfig"
 631
 632 # standard linux drivers
 633 source "drivers/mtd/Kconfig"
 634
 635 source "drivers/parport/Kconfig"
 636
 637 source "drivers/pnp/Kconfig"
 638
 639 source "drivers/block/Kconfig"
 640
 641 source "drivers/ide/Kconfig"
 642
 643 source "drivers/net/Kconfig"
 644
 645 source "drivers/i2c/Kconfig"
 646
 647 source "drivers/rtc/Kconfig"
 648
 649 #
 650 # input before char - char/joystick depends on it. As does USB.
 651 #
 652 source "drivers/input/Kconfig"
 653
 654 source "drivers/char/Kconfig"
 655
 656 source "fs/Kconfig"
 657
 658 source "drivers/usb/Kconfig"
 659
 660 source "arch/cris/Kconfig.debug"
 661
 662 source "security/Kconfig"
 663
 664 source "crypto/Kconfig"
 665
 666 source "lib/Kconfig"