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
  33         def_bool y
  34
  35 config FORCE_MAX_ZONEORDER
  36         int
  37         default 6
  38
  39 config CRIS
  40         bool
  41         default y
  42         select HAVE_IDE
  43         select GENERIC_ATOMIC64
  44         select HAVE_GENERIC_HARDIRQS
  45         select HAVE_UID16
  46         select VIRT_TO_BUS
  47         select ARCH_WANT_IPC_PARSE_VERSION
  48         select GENERIC_IRQ_SHOW
  49         select GENERIC_IOMAP
  50         select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32
  51         select GENERIC_CMOS_UPDATE
  52         select MODULES_USE_ELF_RELA
  53         select CLONE_BACKWARDS2
  54         select OLD_SIGSUSPEND
  55         select OLD_SIGACTION
  56
  57 config HZ
  58         int
  59         default 100
  60
  61 source "init/Kconfig"
  62
  63 source "kernel/Kconfig.freezer"
  64
  65 menu "General setup"
  66
  67 source "fs/Kconfig.binfmt"
  68
  69 config ETRAX_CMDLINE
  70         string "Kernel command line"
  71         default "root=/dev/mtdblock3"
  72         help
  73           Pass additional commands to the kernel.
  74
  75 config ETRAX_WATCHDOG
  76         bool "Enable ETRAX watchdog"
  77         help
  78           Enable the built-in watchdog timer support on ETRAX based embedded
  79           network computers.
  80
  81 config ETRAX_WATCHDOG_NICE_DOGGY
  82         bool "Disable watchdog during Oops printouts"
  83         depends on ETRAX_WATCHDOG
  84         help
  85           By enabling this you make sure that the watchdog does not bite while
  86           printing oopses. Recommended for development systems but not for
  87           production releases.
  88
  89 config ETRAX_FAST_TIMER
  90        bool "Enable ETRAX fast timer API"
  91        help
  92          This options enables the API to a fast timer implementation using
  93          timer1 to get sub jiffie resolution timers (primarily one-shot
  94          timers).
  95          This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
  96
  97 config ETRAX_KMALLOCED_MODULES
  98         bool "Enable module allocation with kmalloc"
  99         help
 100           Enable module allocation with kmalloc instead of vmalloc.
 101
 102 config OOM_REBOOT
 103        bool "Enable reboot at out of memory"
 104
 105 source "kernel/Kconfig.preempt"
 106
 107 source mm/Kconfig
 108
 109 endmenu
 110
 111 menu "Hardware setup"
 112
 113 choice
 114         prompt "Processor type"
 115         default ETRAX100LX
 116
 117 config ETRAX100LX
 118         bool "ETRAX-100LX-v1"
 119         select ARCH_USES_GETTIMEOFFSET
 120         help
 121           Support version 1 of the ETRAX 100LX.
 122
 123 config ETRAX100LX_V2
 124         bool "ETRAX-100LX-v2"
 125         select ARCH_USES_GETTIMEOFFSET
 126         help
 127           Support version 2 of the ETRAX 100LX.
 128
 129 config SVINTO_SIM
 130         bool "ETRAX-100LX-for-xsim-simulator"
 131         select ARCH_USES_GETTIMEOFFSET
 132         help
 133           Support the xsim ETRAX Simulator.
 134
 135 config ETRAXFS
 136         bool "ETRAX-FS-V32"
 137         select CPU_FREQ_TABLE if CPU_FREQ
 138         help
 139           Support CRIS V32.
 140
 141 config CRIS_MACH_ARTPEC3
 142         bool "ARTPEC-3"
 143         select CPU_FREQ_TABLE if CPU_FREQ
 144         help
 145           Support Axis ARTPEC-3.
 146
 147 endchoice
 148
 149 config ETRAX_ARCH_V10
 150        bool
 151        default y if ETRAX100LX || ETRAX100LX_V2
 152        default n if !(ETRAX100LX || ETRAX100LX_V2)
 153
 154 config ETRAX_ARCH_V32
 155        bool
 156        default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
 157        default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
 158
 159 config ETRAX_DRAM_SIZE
 160         int "DRAM size (dec, in MB)"
 161         default "8"
 162         help
 163           Size of DRAM (decimal in MB) typically 2, 8 or 16.
 164
 165 config ETRAX_VMEM_SIZE
 166        int "Video memory size (dec, in MB)"
 167        depends on ETRAX_ARCH_V32 && !ETRAXFS
 168        default 8 if !ETRAXFS
 169        help
 170         Size of Video accessible memory (decimal, in MB).
 171
 172 config ETRAX_FLASH_BUSWIDTH
 173         int "Buswidth of NOR flash in bytes"
 174         default "2"
 175         help
 176           Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
 177
 178 config ETRAX_NANDFLASH_BUSWIDTH
 179         int "Buswidth of NAND flash in bytes"
 180         default "1"
 181         help
 182           Width in bytes of the NAND flash (1 or 2).
 183
 184 config ETRAX_FLASH1_SIZE
 185        int "FLASH1 size (dec, in MB. 0 = Unknown)"
 186        default "0"
 187
 188 choice
 189         prompt "Product debug-port"
 190         default ETRAX_DEBUG_PORT0
 191
 192 config ETRAX_DEBUG_PORT0
 193         bool "Serial-0"
 194         help
 195           Choose a serial port for the ETRAX debug console.  Default to
 196           port 0.
 197
 198 config ETRAX_DEBUG_PORT1
 199         bool "Serial-1"
 200         help
 201           Use serial port 1 for the console.
 202
 203 config ETRAX_DEBUG_PORT2
 204         bool "Serial-2"
 205         help
 206           Use serial port 2 for the console.
 207
 208 config ETRAX_DEBUG_PORT3
 209         bool "Serial-3"
 210         help
 211           Use serial port 3 for the console.
 212
 213 config ETRAX_DEBUG_PORT_NULL
 214         bool "disabled"
 215         help
 216           Disable serial-port debugging.
 217
 218 endchoice
 219
 220 choice
 221         prompt "Kernel GDB port"
 222         depends on ETRAX_KGDB
 223         default ETRAX_KGDB_PORT0
 224         help
 225           Choose a serial port for kernel debugging.  NOTE: This port should
 226           not be enabled under Drivers for built-in interfaces (as it has its
 227           own initialization code) and should not be the same as the debug port.
 228
 229 config ETRAX_KGDB_PORT0
 230         bool "Serial-0"
 231         help
 232           Use serial port 0 for kernel debugging.
 233
 234 config ETRAX_KGDB_PORT1
 235         bool "Serial-1"
 236         help
 237           Use serial port 1 for kernel debugging.
 238
 239 config ETRAX_KGDB_PORT2
 240         bool "Serial-2"
 241         help
 242           Use serial port 2 for kernel debugging.
 243
 244 config ETRAX_KGDB_PORT3
 245         bool "Serial-3"
 246         help
 247           Use serial port 3 for kernel debugging.
 248
 249 endchoice
 250
 251 source arch/cris/arch-v10/Kconfig
 252 source arch/cris/arch-v32/Kconfig
 253
 254 endmenu
 255
 256 source "net/Kconfig"
 257
 258 # bring in ETRAX built-in drivers
 259 menu "Drivers for built-in interfaces"
 260 source arch/cris/arch-v10/drivers/Kconfig
 261 source arch/cris/arch-v32/drivers/Kconfig
 262
 263 config ETRAX_AXISFLASHMAP
 264         bool "Axis flash-map support"
 265         select MTD
 266         select MTD_CFI
 267         select MTD_CFI_AMDSTD
 268         select MTD_JEDECPROBE if ETRAX_ARCH_V32
 269         select MTD_BLOCK
 270         select MTD_COMPLEX_MAPPINGS
 271         help
 272           This option enables MTD mapping of flash devices.  Needed to use
 273           flash memories.  If unsure, say Y.
 274
 275 config ETRAX_RTC
 276         bool "Real Time Clock support"
 277         depends on ETRAX_I2C
 278         help
 279           Enables drivers for the Real-Time Clock battery-backed chips on
 280           some products. The kernel reads the time when booting, and
 281           the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
 282           rtc_time struct (see <file:arch/cris/include/asm/rtc.h>) on the
 283           /dev/rtc device.  You can check the time with cat /proc/rtc, but
 284           normal time reading should be done using libc function time and
 285           friends.
 286
 287 choice
 288         prompt "RTC chip"
 289         depends on ETRAX_RTC
 290         default ETRAX_DS1302
 291
 292 config ETRAX_DS1302
 293         depends on ETRAX_ARCH_V10
 294         bool "DS1302"
 295         help
 296           Enables the driver for the DS1302 Real-Time Clock battery-backed
 297           chip on some products.
 298
 299 config ETRAX_PCF8563
 300         bool "PCF8563"
 301         help
 302           Enables the driver for the PCF8563 Real-Time Clock battery-backed
 303           chip on some products.
 304
 305 endchoice
 306
 307 config ETRAX_SYNCHRONOUS_SERIAL
 308         bool "Synchronous serial-port support"
 309         help
 310           Select this to enable the synchronous serial port driver.
 311
 312 config ETRAX_SYNCHRONOUS_SERIAL_PORT0
 313         bool "Synchronous serial port 0 enabled"
 314         depends on ETRAX_SYNCHRONOUS_SERIAL
 315         help
 316           Enabled synchronous serial port 0.
 317
 318 config ETRAX_SYNCHRONOUS_SERIAL0_DMA
 319         bool "Enable DMA on synchronous serial port 0."
 320         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
 321         help
 322           A synchronous serial port can run in manual or DMA mode.
 323           Selecting this option will make it run in DMA mode.
 324
 325 config ETRAX_SYNCHRONOUS_SERIAL_PORT1
 326         bool "Synchronous serial port 1 enabled"
 327         depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
 328         help
 329           Enabled synchronous serial port 1.
 330
 331 config ETRAX_SYNCHRONOUS_SERIAL1_DMA
 332         bool "Enable DMA on synchronous serial port 1."
 333         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
 334         help
 335           A synchronous serial port can run in manual or DMA mode.
 336           Selecting this option will make it run in DMA mode.
 337
 338 choice
 339         prompt "Network LED behavior"
 340         depends on ETRAX_ETHERNET
 341         default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 342
 343 config ETRAX_NETWORK_LED_ON_WHEN_LINK
 344         bool "LED_on_when_link"
 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 config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 356         bool "LED_on_when_activity"
 357         help
 358           Selecting LED_on_when_link will light the LED when there is a
 359           connection and will flash off when there is activity.
 360
 361           Selecting LED_on_when_activity will light the LED only when
 362           there is activity.
 363
 364           This setting will also affect the behaviour of other activity LEDs
 365           e.g. Bluetooth.
 366
 367 endchoice
 368
 369 choice
 370         prompt "Ser0 DMA out channel"
 371         depends on ETRAX_SERIAL_PORT0
 372         default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
 373         default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
 374
 375 config ETRAX_SERIAL_PORT0_NO_DMA_OUT
 376         bool "Ser0 uses no DMA for output"
 377         help
 378           Do not use DMA for ser0 output.
 379
 380 config ETRAX_SERIAL_PORT0_DMA6_OUT
 381         bool "Ser0 uses DMA6 for output"
 382         depends on ETRAXFS
 383         help
 384           Enables the DMA6 output channel for ser0 (ttyS0).
 385           If you do not enable DMA, an interrupt for each character will be
 386           used when transmitting data.
 387           Normally you want to use DMA, unless you use the DMA channel for
 388           something else.
 389
 390 config ETRAX_SERIAL_PORT0_DMA0_OUT
 391         bool "Ser0 uses DMA0 for output"
 392         depends on CRIS_MACH_ARTPEC3
 393         help
 394           Enables the DMA0 output channel for ser0 (ttyS0).
 395           If you do not enable DMA, an interrupt for each character will be
 396           used when transmitting data.
 397           Normally you want to use DMA, unless you use the DMA channel for
 398           something else.
 399
 400 endchoice
 401
 402 choice
 403         prompt "Ser0 DMA in channel "
 404         depends on ETRAX_SERIAL_PORT0
 405         default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
 406         default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
 407         help
 408           What DMA channel to use for ser0.
 409
 410 config ETRAX_SERIAL_PORT0_NO_DMA_IN
 411         bool "Ser0 uses no DMA for input"
 412         help
 413           Do not use DMA for ser0 input.
 414
 415 config ETRAX_SERIAL_PORT0_DMA7_IN
 416         bool "Ser0 uses DMA7 for input"
 417         depends on ETRAXFS
 418         help
 419           Enables the DMA7 input channel for ser0 (ttyS0).
 420           If you do not enable DMA, an interrupt for each character will be
 421           used when receiving data.
 422           Normally you want to use DMA, unless you use the DMA channel for
 423           something else.
 424
 425 config ETRAX_SERIAL_PORT0_DMA1_IN
 426         bool "Ser0 uses DMA1 for input"
 427         depends on CRIS_MACH_ARTPEC3
 428         help
 429           Enables the DMA1 input channel for ser0 (ttyS0).
 430           If you do not enable DMA, an interrupt for each character will be
 431           used when receiving data.
 432           Normally you want to use DMA, unless you use the DMA channel for
 433           something else.
 434
 435 endchoice
 436
 437 choice
 438         prompt "Ser1 DMA in channel "
 439         depends on ETRAX_SERIAL_PORT1
 440         default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
 441         default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
 442         help
 443           What DMA channel to use for ser1.
 444
 445 config ETRAX_SERIAL_PORT1_NO_DMA_IN
 446         bool "Ser1 uses no DMA for input"
 447         help
 448           Do not use DMA for ser1 input.
 449
 450 config ETRAX_SERIAL_PORT1_DMA5_IN
 451         bool "Ser1 uses DMA5 for input"
 452         depends on ETRAX_ARCH_V32
 453         help
 454           Enables the DMA5 input channel for ser1 (ttyS1).
 455           If you do not enable DMA, an interrupt for each character will be
 456           used when receiving data.
 457           Normally you want this on, unless you use the DMA channel for
 458           something else.
 459
 460 config ETRAX_SERIAL_PORT1_DMA9_IN
 461         depends on ETRAX_ARCH_V10
 462         bool "Ser1 uses DMA9 for input"
 463
 464 endchoice
 465
 466
 467 choice
 468         prompt "Ser1 DMA out channel"
 469         depends on ETRAX_SERIAL_PORT1
 470         default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
 471         default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
 472         help
 473           What DMA channel to use for ser1.
 474
 475 config ETRAX_SERIAL_PORT1_NO_DMA_OUT
 476         bool "Ser1 uses no DMA for output"
 477         help
 478           Do not use DMA for ser1 output.
 479
 480 config ETRAX_SERIAL_PORT1_DMA8_OUT
 481         depends on ETRAX_ARCH_V10
 482         bool "Ser1 uses DMA8 for output"
 483
 484 config ETRAX_SERIAL_PORT1_DMA4_OUT
 485         depends on ETRAX_ARCH_V32
 486         bool "Ser1 uses DMA4 for output"
 487         help
 488           Enables the DMA4 output channel for ser1 (ttyS1).
 489           If you do not enable DMA, an interrupt for each character will be
 490           used when transmitting data.
 491           Normally you want this on, unless you use the DMA channel for
 492           something else.
 493
 494 endchoice
 495
 496 choice
 497         prompt "Ser2 DMA out channel"
 498         depends on ETRAX_SERIAL_PORT2
 499         default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
 500         default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
 501
 502 config ETRAX_SERIAL_PORT2_NO_DMA_OUT
 503         bool "Ser2 uses no DMA for output"
 504         help
 505           Do not use DMA for ser2 output.
 506
 507 config ETRAX_SERIAL_PORT2_DMA2_OUT
 508         bool "Ser2 uses DMA2 for output"
 509         depends on ETRAXFS || ETRAX_ARCH_V10
 510         help
 511           Enables the DMA2 output channel for ser2 (ttyS2).
 512           If you do not enable DMA, an interrupt for each character will be
 513           used when transmitting data.
 514           Normally you want to use DMA, unless you use the DMA channel for
 515           something else.
 516
 517 config ETRAX_SERIAL_PORT2_DMA6_OUT
 518         bool "Ser2 uses DMA6 for output"
 519         depends on CRIS_MACH_ARTPEC3
 520         help
 521           Enables the DMA6 output channel for ser2 (ttyS2).
 522           If you do not enable DMA, an interrupt for each character will be
 523           used when transmitting data.
 524           Normally you want to use DMA, unless you use the DMA channel for
 525           something else.
 526
 527 endchoice
 528
 529 choice
 530         prompt "Ser2 DMA in channel"
 531         depends on ETRAX_SERIAL_PORT2
 532         default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
 533         default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
 534         help
 535           What DMA channel to use for ser2.
 536
 537 config ETRAX_SERIAL_PORT2_NO_DMA_IN
 538         bool "Ser2 uses no DMA for input"
 539         help
 540           Do not use DMA for ser2 input.
 541
 542 config ETRAX_SERIAL_PORT2_DMA3_IN
 543         bool "Ser2 uses DMA3 for input"
 544         depends on ETRAXFS || ETRAX_ARCH_V10
 545         help
 546           Enables the DMA3 input channel for ser2 (ttyS2).
 547           If you do not enable DMA, an interrupt for each character will be
 548           used when receiving data.
 549           Normally you want to use DMA, unless you use the DMA channel for
 550           something else.
 551
 552 config ETRAX_SERIAL_PORT2_DMA7_IN
 553         bool "Ser2 uses DMA7 for input"
 554         depends on CRIS_MACH_ARTPEC3
 555         help
 556           Enables the DMA7 input channel for ser2 (ttyS2).
 557           If you do not enable DMA, an interrupt for each character will be
 558           used when receiving data.
 559           Normally you want to use DMA, unless you use the DMA channel for
 560           something else.
 561
 562 endchoice
 563
 564 choice
 565         prompt "Ser3 DMA in channel"
 566         depends on ETRAX_SERIAL_PORT3
 567         default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
 568         default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
 569         help
 570           What DMA channel to use for ser3.
 571
 572 config ETRAX_SERIAL_PORT3_NO_DMA_IN
 573         bool "Ser3 uses no DMA for input"
 574         help
 575           Do not use DMA for ser3 input.
 576
 577 config ETRAX_SERIAL_PORT3_DMA5_IN
 578         depends on ETRAX_ARCH_V10
 579         bool "DMA 5"
 580
 581 config ETRAX_SERIAL_PORT3_DMA9_IN
 582         bool "Ser3 uses DMA9 for input"
 583         depends on ETRAXFS
 584         help
 585           Enables the DMA9 input channel for ser3 (ttyS3).
 586           If you do not enable DMA, an interrupt for each character will be
 587           used when receiving data.
 588           Normally you want to use DMA, unless you use the DMA channel for
 589           something else.
 590
 591 config ETRAX_SERIAL_PORT3_DMA3_IN
 592         bool "Ser3 uses DMA3 for input"
 593         depends on CRIS_MACH_ARTPEC3
 594         help
 595           Enables the DMA3 input channel for ser3 (ttyS3).
 596           If you do not enable DMA, an interrupt for each character will be
 597           used when receiving data.
 598           Normally you want to use DMA, unless you use the DMA channel for
 599           something else.
 600
 601 endchoice
 602
 603 choice
 604         prompt "Ser3 DMA out channel"
 605         depends on ETRAX_SERIAL_PORT3
 606         default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
 607         default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
 608
 609 config ETRAX_SERIAL_PORT3_NO_DMA_OUT
 610         bool "Ser3 uses no DMA for output"
 611         help
 612           Do not use DMA for ser3 output.
 613
 614 config ETRAX_SERIAL_PORT3_DMA4_OUT
 615         depends on ETRAX_ARCH_V10
 616         bool "DMA 4"
 617
 618 config ETRAX_SERIAL_PORT3_DMA8_OUT
 619         bool "Ser3 uses DMA8 for output"
 620         depends on ETRAXFS
 621         help
 622           Enables the DMA8 output channel for ser3 (ttyS3).
 623           If you do not enable DMA, an interrupt for each character will be
 624           used when transmitting data.
 625           Normally you want to use DMA, unless you use the DMA channel for
 626           something else.
 627
 628 config ETRAX_SERIAL_PORT3_DMA2_OUT
 629         bool "Ser3 uses DMA2 for output"
 630         depends on CRIS_MACH_ARTPEC3
 631         help
 632           Enables the DMA2 output channel for ser3 (ttyS3).
 633           If you do not enable DMA, an interrupt for each character will be
 634           used when transmitting data.
 635           Normally you want to use DMA, unless you use the DMA channel for
 636           something else.
 637
 638 endchoice
 639
 640 endmenu
 641
 642 source "drivers/Kconfig"
 643
 644 source "fs/Kconfig"
 645
 646 source "arch/cris/Kconfig.debug"
 647
 648 source "security/Kconfig"
 649
 650 source "crypto/Kconfig"
 651
 652 source "lib/Kconfig"