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 source "kernel/Kconfig.preempt"
 103
 104 source mm/Kconfig
 105
 106 endmenu
 107
 108 menu "Hardware setup"
 109
 110 choice
 111         prompt "Processor type"
 112         default ETRAX100LX
 113
 114 config ETRAX100LX
 115         bool "ETRAX-100LX-v1"
 116         select ARCH_USES_GETTIMEOFFSET
 117         help
 118           Support version 1 of the ETRAX 100LX.
 119
 120 config ETRAX100LX_V2
 121         bool "ETRAX-100LX-v2"
 122         select ARCH_USES_GETTIMEOFFSET
 123         help
 124           Support version 2 of the ETRAX 100LX.
 125
 126 config SVINTO_SIM
 127         bool "ETRAX-100LX-for-xsim-simulator"
 128         select ARCH_USES_GETTIMEOFFSET
 129         help
 130           Support the xsim ETRAX Simulator.
 131
 132 config ETRAXFS
 133         bool "ETRAX-FS-V32"
 134         select CPU_FREQ_TABLE if CPU_FREQ
 135         help
 136           Support CRIS V32.
 137
 138 config CRIS_MACH_ARTPEC3
 139         bool "ARTPEC-3"
 140         select CPU_FREQ_TABLE if CPU_FREQ
 141         help
 142           Support Axis ARTPEC-3.
 143
 144 endchoice
 145
 146 config ETRAX_ARCH_V10
 147        bool
 148        default y if ETRAX100LX || ETRAX100LX_V2
 149        default n if !(ETRAX100LX || ETRAX100LX_V2)
 150
 151 config ETRAX_ARCH_V32
 152        bool
 153        default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
 154        default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
 155
 156 config ETRAX_DRAM_SIZE
 157         int "DRAM size (dec, in MB)"
 158         default "8"
 159         help
 160           Size of DRAM (decimal in MB) typically 2, 8 or 16.
 161
 162 config ETRAX_VMEM_SIZE
 163        int "Video memory size (dec, in MB)"
 164        depends on ETRAX_ARCH_V32 && !ETRAXFS
 165        default 8 if !ETRAXFS
 166        help
 167         Size of Video accessible memory (decimal, in MB).
 168
 169 config ETRAX_FLASH_BUSWIDTH
 170         int "Buswidth of NOR flash in bytes"
 171         default "2"
 172         help
 173           Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
 174
 175 config ETRAX_NANDFLASH_BUSWIDTH
 176         int "Buswidth of NAND flash in bytes"
 177         default "1"
 178         help
 179           Width in bytes of the NAND flash (1 or 2).
 180
 181 config ETRAX_FLASH1_SIZE
 182        int "FLASH1 size (dec, in MB. 0 = Unknown)"
 183        default "0"
 184
 185 choice
 186         prompt "Product debug-port"
 187         default ETRAX_DEBUG_PORT0
 188
 189 config ETRAX_DEBUG_PORT0
 190         bool "Serial-0"
 191         help
 192           Choose a serial port for the ETRAX debug console.  Default to
 193           port 0.
 194
 195 config ETRAX_DEBUG_PORT1
 196         bool "Serial-1"
 197         help
 198           Use serial port 1 for the console.
 199
 200 config ETRAX_DEBUG_PORT2
 201         bool "Serial-2"
 202         help
 203           Use serial port 2 for the console.
 204
 205 config ETRAX_DEBUG_PORT3
 206         bool "Serial-3"
 207         help
 208           Use serial port 3 for the console.
 209
 210 config ETRAX_DEBUG_PORT_NULL
 211         bool "disabled"
 212         help
 213           Disable serial-port debugging.
 214
 215 endchoice
 216
 217 choice
 218         prompt "Kernel GDB port"
 219         depends on ETRAX_KGDB
 220         default ETRAX_KGDB_PORT0
 221         help
 222           Choose a serial port for kernel debugging.  NOTE: This port should
 223           not be enabled under Drivers for built-in interfaces (as it has its
 224           own initialization code) and should not be the same as the debug port.
 225
 226 config ETRAX_KGDB_PORT0
 227         bool "Serial-0"
 228         help
 229           Use serial port 0 for kernel debugging.
 230
 231 config ETRAX_KGDB_PORT1
 232         bool "Serial-1"
 233         help
 234           Use serial port 1 for kernel debugging.
 235
 236 config ETRAX_KGDB_PORT2
 237         bool "Serial-2"
 238         help
 239           Use serial port 2 for kernel debugging.
 240
 241 config ETRAX_KGDB_PORT3
 242         bool "Serial-3"
 243         help
 244           Use serial port 3 for kernel debugging.
 245
 246 endchoice
 247
 248 source arch/cris/arch-v10/Kconfig
 249 source arch/cris/arch-v32/Kconfig
 250
 251 endmenu
 252
 253 source "net/Kconfig"
 254
 255 # bring in ETRAX built-in drivers
 256 menu "Drivers for built-in interfaces"
 257 source arch/cris/arch-v10/drivers/Kconfig
 258 source arch/cris/arch-v32/drivers/Kconfig
 259
 260 config ETRAX_AXISFLASHMAP
 261         bool "Axis flash-map support"
 262         select MTD
 263         select MTD_CFI
 264         select MTD_CFI_AMDSTD
 265         select MTD_JEDECPROBE if ETRAX_ARCH_V32
 266         select MTD_BLOCK
 267         select MTD_COMPLEX_MAPPINGS
 268         help
 269           This option enables MTD mapping of flash devices.  Needed to use
 270           flash memories.  If unsure, say Y.
 271
 272 config ETRAX_RTC
 273         bool "Real Time Clock support"
 274         depends on ETRAX_I2C
 275         help
 276           Enables drivers for the Real-Time Clock battery-backed chips on
 277           some products. The kernel reads the time when booting, and
 278           the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
 279           rtc_time struct (see <file:arch/cris/include/asm/rtc.h>) on the
 280           /dev/rtc device.  You can check the time with cat /proc/rtc, but
 281           normal time reading should be done using libc function time and
 282           friends.
 283
 284 choice
 285         prompt "RTC chip"
 286         depends on ETRAX_RTC
 287         default ETRAX_DS1302
 288
 289 config ETRAX_DS1302
 290         depends on ETRAX_ARCH_V10
 291         bool "DS1302"
 292         help
 293           Enables the driver for the DS1302 Real-Time Clock battery-backed
 294           chip on some products.
 295
 296 config ETRAX_PCF8563
 297         bool "PCF8563"
 298         help
 299           Enables the driver for the PCF8563 Real-Time Clock battery-backed
 300           chip on some products.
 301
 302 endchoice
 303
 304 config ETRAX_SYNCHRONOUS_SERIAL
 305         bool "Synchronous serial-port support"
 306         help
 307           Select this to enable the synchronous serial port driver.
 308
 309 config ETRAX_SYNCHRONOUS_SERIAL_PORT0
 310         bool "Synchronous serial port 0 enabled"
 311         depends on ETRAX_SYNCHRONOUS_SERIAL
 312         help
 313           Enabled synchronous serial port 0.
 314
 315 config ETRAX_SYNCHRONOUS_SERIAL0_DMA
 316         bool "Enable DMA on synchronous serial port 0."
 317         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
 318         help
 319           A synchronous serial port can run in manual or DMA mode.
 320           Selecting this option will make it run in DMA mode.
 321
 322 config ETRAX_SYNCHRONOUS_SERIAL_PORT1
 323         bool "Synchronous serial port 1 enabled"
 324         depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
 325         help
 326           Enabled synchronous serial port 1.
 327
 328 config ETRAX_SYNCHRONOUS_SERIAL1_DMA
 329         bool "Enable DMA on synchronous serial port 1."
 330         depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
 331         help
 332           A synchronous serial port can run in manual or DMA mode.
 333           Selecting this option will make it run in DMA mode.
 334
 335 choice
 336         prompt "Network LED behavior"
 337         depends on ETRAX_ETHERNET
 338         default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 339
 340 config ETRAX_NETWORK_LED_ON_WHEN_LINK
 341         bool "LED_on_when_link"
 342         help
 343           Selecting LED_on_when_link will light the LED when there is a
 344           connection and will flash off when there is activity.
 345
 346           Selecting LED_on_when_activity will light the LED only when
 347           there is activity.
 348
 349           This setting will also affect the behaviour of other activity LEDs
 350           e.g. Bluetooth.
 351
 352 config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
 353         bool "LED_on_when_activity"
 354         help
 355           Selecting LED_on_when_link will light the LED when there is a
 356           connection and will flash off when there is activity.
 357
 358           Selecting LED_on_when_activity will light the LED only when
 359           there is activity.
 360
 361           This setting will also affect the behaviour of other activity LEDs
 362           e.g. Bluetooth.
 363
 364 endchoice
 365
 366 choice
 367         prompt "Ser0 DMA out channel"
 368         depends on ETRAX_SERIAL_PORT0
 369         default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
 370         default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
 371
 372 config ETRAX_SERIAL_PORT0_NO_DMA_OUT
 373         bool "Ser0 uses no DMA for output"
 374         help
 375           Do not use DMA for ser0 output.
 376
 377 config ETRAX_SERIAL_PORT0_DMA6_OUT
 378         bool "Ser0 uses DMA6 for output"
 379         depends on ETRAXFS
 380         help
 381           Enables the DMA6 output channel for ser0 (ttyS0).
 382           If you do not enable DMA, an interrupt for each character will be
 383           used when transmitting data.
 384           Normally you want to use DMA, unless you use the DMA channel for
 385           something else.
 386
 387 config ETRAX_SERIAL_PORT0_DMA0_OUT
 388         bool "Ser0 uses DMA0 for output"
 389         depends on CRIS_MACH_ARTPEC3
 390         help
 391           Enables the DMA0 output channel for ser0 (ttyS0).
 392           If you do not enable DMA, an interrupt for each character will be
 393           used when transmitting data.
 394           Normally you want to use DMA, unless you use the DMA channel for
 395           something else.
 396
 397 endchoice
 398
 399 choice
 400         prompt "Ser0 DMA in channel "
 401         depends on ETRAX_SERIAL_PORT0
 402         default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
 403         default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
 404         help
 405           What DMA channel to use for ser0.
 406
 407 config ETRAX_SERIAL_PORT0_NO_DMA_IN
 408         bool "Ser0 uses no DMA for input"
 409         help
 410           Do not use DMA for ser0 input.
 411
 412 config ETRAX_SERIAL_PORT0_DMA7_IN
 413         bool "Ser0 uses DMA7 for input"
 414         depends on ETRAXFS
 415         help
 416           Enables the DMA7 input channel for ser0 (ttyS0).
 417           If you do not enable DMA, an interrupt for each character will be
 418           used when receiving data.
 419           Normally you want to use DMA, unless you use the DMA channel for
 420           something else.
 421
 422 config ETRAX_SERIAL_PORT0_DMA1_IN
 423         bool "Ser0 uses DMA1 for input"
 424         depends on CRIS_MACH_ARTPEC3
 425         help
 426           Enables the DMA1 input channel for ser0 (ttyS0).
 427           If you do not enable DMA, an interrupt for each character will be
 428           used when receiving data.
 429           Normally you want to use DMA, unless you use the DMA channel for
 430           something else.
 431
 432 endchoice
 433
 434 choice
 435         prompt "Ser1 DMA in channel "
 436         depends on ETRAX_SERIAL_PORT1
 437         default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
 438         default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
 439         help
 440           What DMA channel to use for ser1.
 441
 442 config ETRAX_SERIAL_PORT1_NO_DMA_IN
 443         bool "Ser1 uses no DMA for input"
 444         help
 445           Do not use DMA for ser1 input.
 446
 447 config ETRAX_SERIAL_PORT1_DMA5_IN
 448         bool "Ser1 uses DMA5 for input"
 449         depends on ETRAX_ARCH_V32
 450         help
 451           Enables the DMA5 input channel for ser1 (ttyS1).
 452           If you do not enable DMA, an interrupt for each character will be
 453           used when receiving data.
 454           Normally you want this on, unless you use the DMA channel for
 455           something else.
 456
 457 config ETRAX_SERIAL_PORT1_DMA9_IN
 458         depends on ETRAX_ARCH_V10
 459         bool "Ser1 uses DMA9 for input"
 460
 461 endchoice
 462
 463
 464 choice
 465         prompt "Ser1 DMA out channel"
 466         depends on ETRAX_SERIAL_PORT1
 467         default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
 468         default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
 469         help
 470           What DMA channel to use for ser1.
 471
 472 config ETRAX_SERIAL_PORT1_NO_DMA_OUT
 473         bool "Ser1 uses no DMA for output"
 474         help
 475           Do not use DMA for ser1 output.
 476
 477 config ETRAX_SERIAL_PORT1_DMA8_OUT
 478         depends on ETRAX_ARCH_V10
 479         bool "Ser1 uses DMA8 for output"
 480
 481 config ETRAX_SERIAL_PORT1_DMA4_OUT
 482         depends on ETRAX_ARCH_V32
 483         bool "Ser1 uses DMA4 for output"
 484         help
 485           Enables the DMA4 output channel for ser1 (ttyS1).
 486           If you do not enable DMA, an interrupt for each character will be
 487           used when transmitting data.
 488           Normally you want this on, unless you use the DMA channel for
 489           something else.
 490
 491 endchoice
 492
 493 choice
 494         prompt "Ser2 DMA out channel"
 495         depends on ETRAX_SERIAL_PORT2
 496         default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
 497         default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
 498
 499 config ETRAX_SERIAL_PORT2_NO_DMA_OUT
 500         bool "Ser2 uses no DMA for output"
 501         help
 502           Do not use DMA for ser2 output.
 503
 504 config ETRAX_SERIAL_PORT2_DMA2_OUT
 505         bool "Ser2 uses DMA2 for output"
 506         depends on ETRAXFS || ETRAX_ARCH_V10
 507         help
 508           Enables the DMA2 output channel for ser2 (ttyS2).
 509           If you do not enable DMA, an interrupt for each character will be
 510           used when transmitting data.
 511           Normally you want to use DMA, unless you use the DMA channel for
 512           something else.
 513
 514 config ETRAX_SERIAL_PORT2_DMA6_OUT
 515         bool "Ser2 uses DMA6 for output"
 516         depends on CRIS_MACH_ARTPEC3
 517         help
 518           Enables the DMA6 output channel for ser2 (ttyS2).
 519           If you do not enable DMA, an interrupt for each character will be
 520           used when transmitting data.
 521           Normally you want to use DMA, unless you use the DMA channel for
 522           something else.
 523
 524 endchoice
 525
 526 choice
 527         prompt "Ser2 DMA in channel"
 528         depends on ETRAX_SERIAL_PORT2
 529         default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
 530         default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
 531         help
 532           What DMA channel to use for ser2.
 533
 534 config ETRAX_SERIAL_PORT2_NO_DMA_IN
 535         bool "Ser2 uses no DMA for input"
 536         help
 537           Do not use DMA for ser2 input.
 538
 539 config ETRAX_SERIAL_PORT2_DMA3_IN
 540         bool "Ser2 uses DMA3 for input"
 541         depends on ETRAXFS || ETRAX_ARCH_V10
 542         help
 543           Enables the DMA3 input channel for ser2 (ttyS2).
 544           If you do not enable DMA, an interrupt for each character will be
 545           used when receiving data.
 546           Normally you want to use DMA, unless you use the DMA channel for
 547           something else.
 548
 549 config ETRAX_SERIAL_PORT2_DMA7_IN
 550         bool "Ser2 uses DMA7 for input"
 551         depends on CRIS_MACH_ARTPEC3
 552         help
 553           Enables the DMA7 input channel for ser2 (ttyS2).
 554           If you do not enable DMA, an interrupt for each character will be
 555           used when receiving data.
 556           Normally you want to use DMA, unless you use the DMA channel for
 557           something else.
 558
 559 endchoice
 560
 561 choice
 562         prompt "Ser3 DMA in channel"
 563         depends on ETRAX_SERIAL_PORT3
 564         default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
 565         default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
 566         help
 567           What DMA channel to use for ser3.
 568
 569 config ETRAX_SERIAL_PORT3_NO_DMA_IN
 570         bool "Ser3 uses no DMA for input"
 571         help
 572           Do not use DMA for ser3 input.
 573
 574 config ETRAX_SERIAL_PORT3_DMA5_IN
 575         depends on ETRAX_ARCH_V10
 576         bool "DMA 5"
 577
 578 config ETRAX_SERIAL_PORT3_DMA9_IN
 579         bool "Ser3 uses DMA9 for input"
 580         depends on ETRAXFS
 581         help
 582           Enables the DMA9 input channel for ser3 (ttyS3).
 583           If you do not enable DMA, an interrupt for each character will be
 584           used when receiving data.
 585           Normally you want to use DMA, unless you use the DMA channel for
 586           something else.
 587
 588 config ETRAX_SERIAL_PORT3_DMA3_IN
 589         bool "Ser3 uses DMA3 for input"
 590         depends on CRIS_MACH_ARTPEC3
 591         help
 592           Enables the DMA3 input channel for ser3 (ttyS3).
 593           If you do not enable DMA, an interrupt for each character will be
 594           used when receiving data.
 595           Normally you want to use DMA, unless you use the DMA channel for
 596           something else.
 597
 598 endchoice
 599
 600 choice
 601         prompt "Ser3 DMA out channel"
 602         depends on ETRAX_SERIAL_PORT3
 603         default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
 604         default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
 605
 606 config ETRAX_SERIAL_PORT3_NO_DMA_OUT
 607         bool "Ser3 uses no DMA for output"
 608         help
 609           Do not use DMA for ser3 output.
 610
 611 config ETRAX_SERIAL_PORT3_DMA4_OUT
 612         depends on ETRAX_ARCH_V10
 613         bool "DMA 4"
 614
 615 config ETRAX_SERIAL_PORT3_DMA8_OUT
 616         bool "Ser3 uses DMA8 for output"
 617         depends on ETRAXFS
 618         help
 619           Enables the DMA8 output channel for ser3 (ttyS3).
 620           If you do not enable DMA, an interrupt for each character will be
 621           used when transmitting data.
 622           Normally you want to use DMA, unless you use the DMA channel for
 623           something else.
 624
 625 config ETRAX_SERIAL_PORT3_DMA2_OUT
 626         bool "Ser3 uses DMA2 for output"
 627         depends on CRIS_MACH_ARTPEC3
 628         help
 629           Enables the DMA2 output channel for ser3 (ttyS3).
 630           If you do not enable DMA, an interrupt for each character will be
 631           used when transmitting data.
 632           Normally you want to use DMA, unless you use the DMA channel for
 633           something else.
 634
 635 endchoice
 636
 637 endmenu
 638
 639 source "drivers/Kconfig"
 640
 641 source "fs/Kconfig"
 642
 643 source "arch/cris/Kconfig.debug"
 644
 645 source "security/Kconfig"
 646
 647 source "crypto/Kconfig"
 648
 649 source "lib/Kconfig"