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