Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v3.15 563 lines 14 kB view raw
1config MMU 2 bool 3 default y 4 5config ZONE_DMA 6 bool 7 default y 8 9config RWSEM_GENERIC_SPINLOCK 10 bool 11 default y 12 13config RWSEM_XCHGADD_ALGORITHM 14 bool 15 16config ARCH_HAS_ILOG2_U32 17 bool 18 default n 19 20config ARCH_HAS_ILOG2_U64 21 bool 22 default n 23 24config GENERIC_HWEIGHT 25 bool 26 default y 27 28config GENERIC_CALIBRATE_DELAY 29 bool 30 default y 31 32config NO_IOPORT_MAP 33 def_bool y 34 35config FORCE_MAX_ZONEORDER 36 int 37 default 6 38 39config 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_SMP_IDLE_THREAD if ETRAX_ARCH_V32 50 select GENERIC_CMOS_UPDATE 51 select MODULES_USE_ELF_RELA 52 select CLONE_BACKWARDS2 53 select OLD_SIGSUSPEND 54 select OLD_SIGACTION 55 56config HZ 57 int 58 default 100 59 60source "init/Kconfig" 61 62source "kernel/Kconfig.freezer" 63 64menu "General setup" 65 66source "fs/Kconfig.binfmt" 67 68config ETRAX_CMDLINE 69 string "Kernel command line" 70 default "root=/dev/mtdblock3" 71 help 72 Pass additional commands to the kernel. 73 74config 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 80config 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 88config 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 96config ETRAX_KMALLOCED_MODULES 97 bool "Enable module allocation with kmalloc" 98 help 99 Enable module allocation with kmalloc instead of vmalloc. 100 101source "kernel/Kconfig.preempt" 102 103source mm/Kconfig 104 105endmenu 106 107menu "Hardware setup" 108 109choice 110 prompt "Processor type" 111 default ETRAX100LX 112 113config ETRAX100LX 114 bool "ETRAX-100LX-v1" 115 select ARCH_USES_GETTIMEOFFSET 116 help 117 Support version 1 of the ETRAX 100LX. 118 119config ETRAX100LX_V2 120 bool "ETRAX-100LX-v2" 121 select ARCH_USES_GETTIMEOFFSET 122 help 123 Support version 2 of the ETRAX 100LX. 124 125config ETRAXFS 126 bool "ETRAX-FS-V32" 127 help 128 Support CRIS V32. 129 130config CRIS_MACH_ARTPEC3 131 bool "ARTPEC-3" 132 help 133 Support Axis ARTPEC-3. 134 135endchoice 136 137config ETRAX_ARCH_V10 138 bool 139 default y if ETRAX100LX || ETRAX100LX_V2 140 default n if !(ETRAX100LX || ETRAX100LX_V2) 141 select TTY 142 143config ETRAX_ARCH_V32 144 bool 145 default y if (ETRAXFS || CRIS_MACH_ARTPEC3) 146 default n if !(ETRAXFS || CRIS_MACH_ARTPEC3) 147 148config ETRAX_DRAM_SIZE 149 int "DRAM size (dec, in MB)" 150 default "8" 151 help 152 Size of DRAM (decimal in MB) typically 2, 8 or 16. 153 154config ETRAX_VMEM_SIZE 155 int "Video memory size (dec, in MB)" 156 depends on ETRAX_ARCH_V32 && !ETRAXFS 157 default 8 if !ETRAXFS 158 help 159 Size of Video accessible memory (decimal, in MB). 160 161config ETRAX_FLASH_BUSWIDTH 162 int "Buswidth of NOR flash in bytes" 163 default "2" 164 help 165 Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2. 166 167config ETRAX_FLASH1_SIZE 168 int "FLASH1 size (dec, in MB. 0 = Unknown)" 169 default "0" 170 171choice 172 prompt "Product debug-port" 173 default ETRAX_DEBUG_PORT0 174 175config ETRAX_DEBUG_PORT0 176 bool "Serial-0" 177 help 178 Choose a serial port for the ETRAX debug console. Default to 179 port 0. 180 181config ETRAX_DEBUG_PORT1 182 bool "Serial-1" 183 help 184 Use serial port 1 for the console. 185 186config ETRAX_DEBUG_PORT2 187 bool "Serial-2" 188 help 189 Use serial port 2 for the console. 190 191config ETRAX_DEBUG_PORT3 192 bool "Serial-3" 193 help 194 Use serial port 3 for the console. 195 196config ETRAX_DEBUG_PORT_NULL 197 bool "disabled" 198 help 199 Disable serial-port debugging. 200 201endchoice 202 203choice 204 prompt "Kernel GDB port" 205 depends on ETRAX_KGDB 206 default ETRAX_KGDB_PORT0 207 help 208 Choose a serial port for kernel debugging. NOTE: This port should 209 not be enabled under Drivers for built-in interfaces (as it has its 210 own initialization code) and should not be the same as the debug port. 211 212config ETRAX_KGDB_PORT0 213 bool "Serial-0" 214 help 215 Use serial port 0 for kernel debugging. 216 217config ETRAX_KGDB_PORT1 218 bool "Serial-1" 219 help 220 Use serial port 1 for kernel debugging. 221 222config ETRAX_KGDB_PORT2 223 bool "Serial-2" 224 help 225 Use serial port 2 for kernel debugging. 226 227config ETRAX_KGDB_PORT3 228 bool "Serial-3" 229 help 230 Use serial port 3 for kernel debugging. 231 232endchoice 233 234source arch/cris/arch-v10/Kconfig 235source arch/cris/arch-v32/Kconfig 236 237endmenu 238 239source "net/Kconfig" 240 241# bring in ETRAX built-in drivers 242menu "Drivers for built-in interfaces" 243source arch/cris/arch-v10/drivers/Kconfig 244source arch/cris/arch-v32/drivers/Kconfig 245 246config ETRAX_AXISFLASHMAP 247 bool "Axis flash-map support" 248 select MTD 249 select MTD_CFI 250 select MTD_CFI_AMDSTD 251 select MTD_JEDECPROBE if ETRAX_ARCH_V32 252 select MTD_BLOCK 253 select MTD_COMPLEX_MAPPINGS 254 help 255 This option enables MTD mapping of flash devices. Needed to use 256 flash memories. If unsure, say Y. 257 258config ETRAX_SYNCHRONOUS_SERIAL 259 bool "Synchronous serial-port support" 260 help 261 Select this to enable the synchronous serial port driver. 262 263config ETRAX_SYNCHRONOUS_SERIAL_PORT0 264 bool "Synchronous serial port 0 enabled" 265 depends on ETRAX_SYNCHRONOUS_SERIAL 266 help 267 Enabled synchronous serial port 0. 268 269config ETRAX_SYNCHRONOUS_SERIAL0_DMA 270 bool "Enable DMA on synchronous serial port 0." 271 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0 272 help 273 A synchronous serial port can run in manual or DMA mode. 274 Selecting this option will make it run in DMA mode. 275 276config ETRAX_SYNCHRONOUS_SERIAL_PORT1 277 bool "Synchronous serial port 1 enabled" 278 depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10) 279 help 280 Enabled synchronous serial port 1. 281 282config ETRAX_SYNCHRONOUS_SERIAL1_DMA 283 bool "Enable DMA on synchronous serial port 1." 284 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1 285 help 286 A synchronous serial port can run in manual or DMA mode. 287 Selecting this option will make it run in DMA mode. 288 289choice 290 prompt "Network LED behavior" 291 depends on ETRAX_ETHERNET 292 default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY 293 294config ETRAX_NETWORK_LED_ON_WHEN_LINK 295 bool "LED_on_when_link" 296 help 297 Selecting LED_on_when_link will light the LED when there is a 298 connection and will flash off when there is activity. 299 300 Selecting LED_on_when_activity will light the LED only when 301 there is activity. 302 303 This setting will also affect the behaviour of other activity LEDs 304 e.g. Bluetooth. 305 306config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY 307 bool "LED_on_when_activity" 308 help 309 Selecting LED_on_when_link will light the LED when there is a 310 connection and will flash off when there is activity. 311 312 Selecting LED_on_when_activity will light the LED only when 313 there is activity. 314 315 This setting will also affect the behaviour of other activity LEDs 316 e.g. Bluetooth. 317 318endchoice 319 320choice 321 prompt "Ser0 DMA out channel" 322 depends on ETRAX_SERIAL_PORT0 323 default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32 324 default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10 325 326config ETRAX_SERIAL_PORT0_NO_DMA_OUT 327 bool "Ser0 uses no DMA for output" 328 help 329 Do not use DMA for ser0 output. 330 331config ETRAX_SERIAL_PORT0_DMA6_OUT 332 bool "Ser0 uses DMA6 for output" 333 depends on ETRAXFS 334 help 335 Enables the DMA6 output channel for ser0 (ttyS0). 336 If you do not enable DMA, an interrupt for each character will be 337 used when transmitting data. 338 Normally you want to use DMA, unless you use the DMA channel for 339 something else. 340 341config ETRAX_SERIAL_PORT0_DMA0_OUT 342 bool "Ser0 uses DMA0 for output" 343 depends on CRIS_MACH_ARTPEC3 344 help 345 Enables the DMA0 output channel for ser0 (ttyS0). 346 If you do not enable DMA, an interrupt for each character will be 347 used when transmitting data. 348 Normally you want to use DMA, unless you use the DMA channel for 349 something else. 350 351endchoice 352 353choice 354 prompt "Ser0 DMA in channel " 355 depends on ETRAX_SERIAL_PORT0 356 default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32 357 default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10 358 help 359 What DMA channel to use for ser0. 360 361config ETRAX_SERIAL_PORT0_NO_DMA_IN 362 bool "Ser0 uses no DMA for input" 363 help 364 Do not use DMA for ser0 input. 365 366config ETRAX_SERIAL_PORT0_DMA7_IN 367 bool "Ser0 uses DMA7 for input" 368 depends on ETRAXFS 369 help 370 Enables the DMA7 input channel for ser0 (ttyS0). 371 If you do not enable DMA, an interrupt for each character will be 372 used when receiving data. 373 Normally you want to use DMA, unless you use the DMA channel for 374 something else. 375 376config ETRAX_SERIAL_PORT0_DMA1_IN 377 bool "Ser0 uses DMA1 for input" 378 depends on CRIS_MACH_ARTPEC3 379 help 380 Enables the DMA1 input channel for ser0 (ttyS0). 381 If you do not enable DMA, an interrupt for each character will be 382 used when receiving data. 383 Normally you want to use DMA, unless you use the DMA channel for 384 something else. 385 386endchoice 387 388choice 389 prompt "Ser1 DMA in channel " 390 depends on ETRAX_SERIAL_PORT1 391 default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32 392 default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10 393 help 394 What DMA channel to use for ser1. 395 396config ETRAX_SERIAL_PORT1_NO_DMA_IN 397 bool "Ser1 uses no DMA for input" 398 help 399 Do not use DMA for ser1 input. 400 401config ETRAX_SERIAL_PORT1_DMA5_IN 402 bool "Ser1 uses DMA5 for input" 403 depends on ETRAX_ARCH_V32 404 help 405 Enables the DMA5 input channel for ser1 (ttyS1). 406 If you do not enable DMA, an interrupt for each character will be 407 used when receiving data. 408 Normally you want this on, unless you use the DMA channel for 409 something else. 410 411config ETRAX_SERIAL_PORT1_DMA9_IN 412 depends on ETRAX_ARCH_V10 413 bool "Ser1 uses DMA9 for input" 414 415endchoice 416 417 418choice 419 prompt "Ser1 DMA out channel" 420 depends on ETRAX_SERIAL_PORT1 421 default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32 422 default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10 423 help 424 What DMA channel to use for ser1. 425 426config ETRAX_SERIAL_PORT1_NO_DMA_OUT 427 bool "Ser1 uses no DMA for output" 428 help 429 Do not use DMA for ser1 output. 430 431config ETRAX_SERIAL_PORT1_DMA8_OUT 432 depends on ETRAX_ARCH_V10 433 bool "Ser1 uses DMA8 for output" 434 435config ETRAX_SERIAL_PORT1_DMA4_OUT 436 depends on ETRAX_ARCH_V32 437 bool "Ser1 uses DMA4 for output" 438 help 439 Enables the DMA4 output channel for ser1 (ttyS1). 440 If you do not enable DMA, an interrupt for each character will be 441 used when transmitting data. 442 Normally you want this on, unless you use the DMA channel for 443 something else. 444 445endchoice 446 447choice 448 prompt "Ser2 DMA out channel" 449 depends on ETRAX_SERIAL_PORT2 450 default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32 451 default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10 452 453config ETRAX_SERIAL_PORT2_NO_DMA_OUT 454 bool "Ser2 uses no DMA for output" 455 help 456 Do not use DMA for ser2 output. 457 458config ETRAX_SERIAL_PORT2_DMA2_OUT 459 bool "Ser2 uses DMA2 for output" 460 depends on ETRAXFS || ETRAX_ARCH_V10 461 help 462 Enables the DMA2 output channel for ser2 (ttyS2). 463 If you do not enable DMA, an interrupt for each character will be 464 used when transmitting data. 465 Normally you want to use DMA, unless you use the DMA channel for 466 something else. 467 468config ETRAX_SERIAL_PORT2_DMA6_OUT 469 bool "Ser2 uses DMA6 for output" 470 depends on CRIS_MACH_ARTPEC3 471 help 472 Enables the DMA6 output channel for ser2 (ttyS2). 473 If you do not enable DMA, an interrupt for each character will be 474 used when transmitting data. 475 Normally you want to use DMA, unless you use the DMA channel for 476 something else. 477 478endchoice 479 480choice 481 prompt "Ser2 DMA in channel" 482 depends on ETRAX_SERIAL_PORT2 483 default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32 484 default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10 485 help 486 What DMA channel to use for ser2. 487 488config ETRAX_SERIAL_PORT2_NO_DMA_IN 489 bool "Ser2 uses no DMA for input" 490 help 491 Do not use DMA for ser2 input. 492 493config ETRAX_SERIAL_PORT2_DMA3_IN 494 bool "Ser2 uses DMA3 for input" 495 depends on ETRAXFS || ETRAX_ARCH_V10 496 help 497 Enables the DMA3 input channel for ser2 (ttyS2). 498 If you do not enable DMA, an interrupt for each character will be 499 used when receiving data. 500 Normally you want to use DMA, unless you use the DMA channel for 501 something else. 502 503config ETRAX_SERIAL_PORT2_DMA7_IN 504 bool "Ser2 uses DMA7 for input" 505 depends on CRIS_MACH_ARTPEC3 506 help 507 Enables the DMA7 input channel for ser2 (ttyS2). 508 If you do not enable DMA, an interrupt for each character will be 509 used when receiving data. 510 Normally you want to use DMA, unless you use the DMA channel for 511 something else. 512 513endchoice 514 515choice 516 prompt "Ser3 DMA in channel" 517 depends on ETRAX_SERIAL_PORT3 518 default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32 519 default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10 520 help 521 What DMA channel to use for ser3. 522 523config ETRAX_SERIAL_PORT3_NO_DMA_IN 524 bool "Ser3 uses no DMA for input" 525 help 526 Do not use DMA for ser3 input. 527 528config ETRAX_SERIAL_PORT3_DMA5_IN 529 depends on ETRAX_ARCH_V10 530 bool "DMA 5" 531 532endchoice 533 534choice 535 prompt "Ser3 DMA out channel" 536 depends on ETRAX_SERIAL_PORT3 537 default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32 538 default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10 539 540config ETRAX_SERIAL_PORT3_NO_DMA_OUT 541 bool "Ser3 uses no DMA for output" 542 help 543 Do not use DMA for ser3 output. 544 545config ETRAX_SERIAL_PORT3_DMA4_OUT 546 depends on ETRAX_ARCH_V10 547 bool "DMA 4" 548 549endchoice 550 551endmenu 552 553source "drivers/Kconfig" 554 555source "fs/Kconfig" 556 557source "arch/cris/Kconfig.debug" 558 559source "security/Kconfig" 560 561source "crypto/Kconfig" 562 563source "lib/Kconfig"