arch/sh/Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see Documentation/kbuild/kconfig-language.txt.
   4 #
   5
   6 mainmenu "Linux/SuperH Kernel Configuration"
   7
   8 config SUPERH
   9         def_bool y
  10         select EMBEDDED
  11         select HAVE_CLK
  12         select HAVE_IDE
  13         select HAVE_OPROFILE
  14         help
  15           The SuperH is a RISC processor targeted for use in embedded systems
  16           and consumer electronics; it was also used in the Sega Dreamcast
  17           gaming console.  The SuperH port has a home page at
  18           <http://www.linux-sh.org/>.
  19
  20 config SUPERH32
  21         def_bool !SUPERH64
  22
  23 config SUPERH64
  24         def_bool y if CPU_SH5
  25
  26 config RWSEM_GENERIC_SPINLOCK
  27         def_bool y
  28
  29 config RWSEM_XCHGADD_ALGORITHM
  30         bool
  31
  32 config GENERIC_BUG
  33         def_bool y
  34         depends on BUG && SUPERH32
  35
  36 config GENERIC_FIND_NEXT_BIT
  37         def_bool y
  38
  39 config GENERIC_HWEIGHT
  40         def_bool y
  41
  42 config GENERIC_HARDIRQS
  43         def_bool y
  44
  45 config GENERIC_IRQ_PROBE
  46         def_bool y
  47
  48 config GENERIC_CALIBRATE_DELAY
  49         def_bool y
  50
  51 config GENERIC_IOMAP
  52         bool
  53
  54 config GENERIC_TIME
  55         def_bool n
  56
  57 config GENERIC_CLOCKEVENTS
  58         def_bool n
  59
  60 config SYS_SUPPORTS_PM
  61         bool
  62
  63 config SYS_SUPPORTS_APM_EMULATION
  64         bool
  65         select SYS_SUPPORTS_PM
  66
  67 config SYS_SUPPORTS_SMP
  68         bool
  69
  70 config SYS_SUPPORTS_NUMA
  71         bool
  72
  73 config SYS_SUPPORTS_PCI
  74         bool
  75
  76 config STACKTRACE_SUPPORT
  77         def_bool y
  78
  79 config LOCKDEP_SUPPORT
  80         def_bool y
  81
  82 config ARCH_HAS_ILOG2_U32
  83         def_bool n
  84
  85 config ARCH_HAS_ILOG2_U64
  86         def_bool n
  87
  88 config ARCH_NO_VIRT_TO_BUS
  89         def_bool y
  90
  91 config ARCH_SUPPORTS_AOUT
  92         def_bool y
  93
  94 config IO_TRAPPED
  95         bool
  96
  97 source "init/Kconfig"
  98
  99 menu "System type"
 100
 101 #
 102 # Processor families
 103 #
 104 config CPU_SH2
 105         bool
 106
 107 config CPU_SH2A
 108         bool
 109         select CPU_SH2
 110
 111 config CPU_SH3
 112         bool
 113         select CPU_HAS_INTEVT
 114         select CPU_HAS_SR_RB
 115
 116 config CPU_SH4
 117         bool
 118         select CPU_HAS_INTEVT
 119         select CPU_HAS_SR_RB
 120         select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
 121         select CPU_HAS_FPU if !CPU_SH4AL_DSP
 122
 123 config CPU_SH4A
 124         bool
 125         select CPU_SH4
 126
 127 config CPU_SH4AL_DSP
 128         bool
 129         select CPU_SH4A
 130         select CPU_HAS_DSP
 131
 132 config CPU_SH5
 133         bool
 134         select CPU_HAS_FPU
 135
 136 config CPU_SHX2
 137         bool
 138
 139 config CPU_SHX3
 140         bool
 141
 142 choice
 143         prompt "Processor sub-type selection"
 144
 145 #
 146 # Processor subtypes
 147 #
 148
 149 # SH-2 Processor Support
 150
 151 config CPU_SUBTYPE_SH7619
 152         bool "Support SH7619 processor"
 153         select CPU_SH2
 154
 155 # SH-2A Processor Support
 156
 157 config CPU_SUBTYPE_SH7203
 158         bool "Support SH7203 processor"
 159         select CPU_SH2A
 160         select CPU_HAS_FPU
 161
 162 config CPU_SUBTYPE_SH7206
 163         bool "Support SH7206 processor"
 164         select CPU_SH2A
 165
 166 config CPU_SUBTYPE_SH7263
 167         bool "Support SH7263 processor"
 168         select CPU_SH2A
 169         select CPU_HAS_FPU
 170
 171 config CPU_SUBTYPE_MXG
 172         bool "Support MX-G processor"
 173         select CPU_SH2A
 174         help
 175           Select MX-G if running on an R8A03022BG part.
 176
 177 # SH-3 Processor Support
 178
 179 config CPU_SUBTYPE_SH7705
 180         bool "Support SH7705 processor"
 181         select CPU_SH3
 182
 183 config CPU_SUBTYPE_SH7706
 184         bool "Support SH7706 processor"
 185         select CPU_SH3
 186         help
 187           Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
 188
 189 config CPU_SUBTYPE_SH7707
 190         bool "Support SH7707 processor"
 191         select CPU_SH3
 192         help
 193           Select SH7707 if you have a  60 Mhz SH-3 HD6417707 CPU.
 194
 195 config CPU_SUBTYPE_SH7708
 196         bool "Support SH7708 processor"
 197         select CPU_SH3
 198         help
 199           Select SH7708 if you have a  60 Mhz SH-3 HD6417708S or
 200           if you have a 100 Mhz SH-3 HD6417708R CPU.
 201
 202 config CPU_SUBTYPE_SH7709
 203         bool "Support SH7709 processor"
 204         select CPU_SH3
 205         help
 206           Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 207
 208 config CPU_SUBTYPE_SH7710
 209         bool "Support SH7710 processor"
 210         select CPU_SH3
 211         select CPU_HAS_DSP
 212         help
 213           Select SH7710 if you have a SH3-DSP SH7710 CPU.
 214
 215 config CPU_SUBTYPE_SH7712
 216         bool "Support SH7712 processor"
 217         select CPU_SH3
 218         select CPU_HAS_DSP
 219         help
 220           Select SH7712 if you have a SH3-DSP SH7712 CPU.
 221
 222 config CPU_SUBTYPE_SH7720
 223         bool "Support SH7720 processor"
 224         select CPU_SH3
 225         select CPU_HAS_DSP
 226         help
 227           Select SH7720 if you have a SH3-DSP SH7720 CPU.
 228
 229 config CPU_SUBTYPE_SH7721
 230         bool "Support SH7721 processor"
 231         select CPU_SH3
 232         select CPU_HAS_DSP
 233         help
 234           Select SH7721 if you have a SH3-DSP SH7721 CPU.
 235
 236 # SH-4 Processor Support
 237
 238 config CPU_SUBTYPE_SH7750
 239         bool "Support SH7750 processor"
 240         select CPU_SH4
 241         help
 242           Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
 243
 244 config CPU_SUBTYPE_SH7091
 245         bool "Support SH7091 processor"
 246         select CPU_SH4
 247         help
 248           Select SH7091 if you have an SH-4 based Sega device (such as
 249           the Dreamcast, Naomi, and Naomi 2).
 250
 251 config CPU_SUBTYPE_SH7750R
 252         bool "Support SH7750R processor"
 253         select CPU_SH4
 254
 255 config CPU_SUBTYPE_SH7750S
 256         bool "Support SH7750S processor"
 257         select CPU_SH4
 258
 259 config CPU_SUBTYPE_SH7751
 260         bool "Support SH7751 processor"
 261         select CPU_SH4
 262         help
 263           Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
 264           or if you have a HD6417751R CPU.
 265
 266 config CPU_SUBTYPE_SH7751R
 267         bool "Support SH7751R processor"
 268         select CPU_SH4
 269
 270 config CPU_SUBTYPE_SH7760
 271         bool "Support SH7760 processor"
 272         select CPU_SH4
 273
 274 config CPU_SUBTYPE_SH4_202
 275         bool "Support SH4-202 processor"
 276         select CPU_SH4
 277
 278 # SH-4A Processor Support
 279
 280 config CPU_SUBTYPE_SH7723
 281         bool "Support SH7723 processor"
 282         select CPU_SH4A
 283         select CPU_SHX2
 284         select ARCH_SPARSEMEM_ENABLE
 285         help
 286           Select SH7723 if you have an SH-MobileR2 CPU.
 287
 288 config CPU_SUBTYPE_SH7763
 289         bool "Support SH7763 processor"
 290         select CPU_SH4A
 291         help
 292           Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
 293
 294 config CPU_SUBTYPE_SH7770
 295         bool "Support SH7770 processor"
 296         select CPU_SH4A
 297
 298 config CPU_SUBTYPE_SH7780
 299         bool "Support SH7780 processor"
 300         select CPU_SH4A
 301
 302 config CPU_SUBTYPE_SH7785
 303         bool "Support SH7785 processor"
 304         select CPU_SH4A
 305         select CPU_SHX2
 306         select ARCH_SPARSEMEM_ENABLE
 307         select SYS_SUPPORTS_NUMA
 308
 309 config CPU_SUBTYPE_SHX3
 310         bool "Support SH-X3 processor"
 311         select CPU_SH4A
 312         select CPU_SHX3
 313         select ARCH_SPARSEMEM_ENABLE
 314         select SYS_SUPPORTS_NUMA
 315         select SYS_SUPPORTS_SMP
 316
 317 # SH4AL-DSP Processor Support
 318
 319 config CPU_SUBTYPE_SH7343
 320         bool "Support SH7343 processor"
 321         select CPU_SH4AL_DSP
 322
 323 config CPU_SUBTYPE_SH7722
 324         bool "Support SH7722 processor"
 325         select CPU_SH4AL_DSP
 326         select CPU_SHX2
 327         select ARCH_SPARSEMEM_ENABLE
 328         select SYS_SUPPORTS_NUMA
 329
 330 config CPU_SUBTYPE_SH7366
 331         bool "Support SH7366 processor"
 332         select CPU_SH4AL_DSP
 333         select CPU_SHX2
 334         select ARCH_SPARSEMEM_ENABLE
 335         select SYS_SUPPORTS_NUMA
 336
 337 # SH-5 Processor Support
 338
 339 config CPU_SUBTYPE_SH5_101
 340         bool "Support SH5-101 processor"
 341         select CPU_SH5
 342
 343 config CPU_SUBTYPE_SH5_103
 344         bool "Support SH5-103 processor"
 345         select CPU_SH5
 346
 347 endchoice
 348
 349 source "arch/sh/mm/Kconfig"
 350 source "arch/sh/Kconfig.cpu"
 351
 352 menu "Board support"
 353
 354 config SOLUTION_ENGINE
 355         bool
 356
 357 config SH_SOLUTION_ENGINE
 358         bool "SolutionEngine"
 359         select SOLUTION_ENGINE
 360         select CPU_HAS_IPR_IRQ
 361         depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
 362           CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
 363           CPU_SUBTYPE_SH7750R
 364         help
 365           Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
 366           SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
 367
 368 config SH_7206_SOLUTION_ENGINE
 369         bool "SolutionEngine7206"
 370         select SOLUTION_ENGINE
 371         depends on CPU_SUBTYPE_SH7206
 372         help
 373           Select 7206 SolutionEngine if configuring for a Hitachi SH7206
 374           evaluation board.
 375
 376 config SH_7619_SOLUTION_ENGINE
 377         bool "SolutionEngine7619"
 378         select SOLUTION_ENGINE
 379         depends on CPU_SUBTYPE_SH7619
 380         help
 381           Select 7619 SolutionEngine if configuring for a Hitachi SH7619
 382           evaluation board.
 383
 384 config SH_7721_SOLUTION_ENGINE
 385         bool "SolutionEngine7721"
 386         select SOLUTION_ENGINE
 387         depends on CPU_SUBTYPE_SH7721
 388         help
 389           Select 7721 SolutionEngine if configuring for a Hitachi SH7721
 390           evaluation board.
 391
 392 config SH_7722_SOLUTION_ENGINE
 393         bool "SolutionEngine7722"
 394         select SOLUTION_ENGINE
 395         depends on CPU_SUBTYPE_SH7722
 396         help
 397           Select 7722 SolutionEngine if configuring for a Hitachi SH772
 398           evaluation board.
 399
 400 config SH_7751_SOLUTION_ENGINE
 401         bool "SolutionEngine7751"
 402         select SOLUTION_ENGINE
 403         select CPU_HAS_IPR_IRQ
 404         depends on CPU_SUBTYPE_SH7751
 405         help
 406           Select 7751 SolutionEngine if configuring for a Hitachi SH7751
 407           evaluation board.
 408
 409 config SH_7780_SOLUTION_ENGINE
 410         bool "SolutionEngine7780"
 411         select SOLUTION_ENGINE
 412         select SYS_SUPPORTS_PCI
 413         depends on CPU_SUBTYPE_SH7780
 414         help
 415           Select 7780 SolutionEngine if configuring for a Renesas SH7780
 416           evaluation board.
 417
 418 config SH_7343_SOLUTION_ENGINE
 419         bool "SolutionEngine7343"
 420         select SOLUTION_ENGINE
 421         depends on CPU_SUBTYPE_SH7343
 422         help
 423           Select 7343 SolutionEngine if configuring for a Hitachi
 424           SH7343 (SH-Mobile 3AS) evaluation board.
 425
 426 config SH_7751_SYSTEMH
 427         bool "SystemH7751R"
 428         depends on CPU_SUBTYPE_SH7751R
 429         help
 430           Select SystemH if you are configuring for a Renesas SystemH
 431           7751R evaluation board.
 432
 433 config SH_HP6XX
 434         bool "HP6XX"
 435         select SYS_SUPPORTS_APM_EMULATION
 436         select HD6446X_SERIES
 437         depends on CPU_SUBTYPE_SH7709
 438         help
 439           Select HP6XX if configuring for a HP jornada HP6xx.
 440           More information (hardware only) at
 441           <http://www.hp.com/jornada/>.
 442
 443 config SH_DREAMCAST
 444         bool "Dreamcast"
 445         select SYS_SUPPORTS_PCI
 446         depends on CPU_SUBTYPE_SH7091
 447         help
 448           Select Dreamcast if configuring for a SEGA Dreamcast.
 449           More information at <http://www.linux-sh.org>
 450
 451 config SH_SH03
 452         bool "Interface CTP/PCI-SH03"
 453         depends on CPU_SUBTYPE_SH7751
 454         select CPU_HAS_IPR_IRQ
 455         select SYS_SUPPORTS_PCI
 456         help
 457           CTP/PCI-SH03 is a CPU module computer that is produced
 458           by Interface Corporation.
 459           More information at <http://www.interface.co.jp>
 460
 461 config SH_SECUREEDGE5410
 462         bool "SecureEdge5410"
 463         depends on CPU_SUBTYPE_SH7751R
 464         select CPU_HAS_IPR_IRQ
 465         select SYS_SUPPORTS_PCI
 466         help
 467           Select SecureEdge5410 if configuring for a SnapGear SH board.
 468           This includes both the OEM SecureEdge products as well as the
 469           SME product line.
 470
 471 config SH_RTS7751R2D
 472         bool "RTS7751R2D"
 473         depends on CPU_SUBTYPE_SH7751R
 474         select SYS_SUPPORTS_PCI
 475         select IO_TRAPPED
 476         help
 477           Select RTS7751R2D if configuring for a Renesas Technology
 478           Sales SH-Graphics board.
 479
 480 config SH_RSK7203
 481         bool "RSK7203"
 482         depends on CPU_SUBTYPE_SH7203
 483
 484 config SH_SDK7780
 485         bool "SDK7780R3"
 486         depends on CPU_SUBTYPE_SH7780
 487         select SYS_SUPPORTS_PCI
 488         help
 489           Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
 490           evaluation board.
 491
 492 config SH_HIGHLANDER
 493         bool "Highlander"
 494         depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
 495         select SYS_SUPPORTS_PCI
 496         select IO_TRAPPED
 497
 498 config SH_MIGOR
 499         bool "Migo-R"
 500         depends on CPU_SUBTYPE_SH7722
 501         help
 502           Select Migo-R if configuring for the SH7722 Migo-R platform
 503           by Renesas System Solutions Asia Pte. Ltd.
 504
 505 config SH_AP325RXA
 506         bool "AP-325RXA"
 507         select CPU_SUBTYPE_SH7723
 508         help
 509           Renesas "AP-325RXA" support.
 510           Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
 511
 512 config SH_EDOSK7705
 513         bool "EDOSK7705"
 514         depends on CPU_SUBTYPE_SH7705
 515
 516 config SH_SH4202_MICRODEV
 517         bool "SH4-202 MicroDev"
 518         depends on CPU_SUBTYPE_SH4_202
 519         help
 520           Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
 521           with an SH4-202 CPU.
 522
 523 config SH_LANDISK
 524         bool "LANDISK"
 525         depends on CPU_SUBTYPE_SH7751R
 526         select SYS_SUPPORTS_PCI
 527         help
 528           I-O DATA DEVICE, INC. "LANDISK Series" support.
 529
 530 config SH_TITAN
 531         bool "TITAN"
 532         depends on CPU_SUBTYPE_SH7751R
 533         select CPU_HAS_IPR_IRQ
 534         select SYS_SUPPORTS_PCI
 535         help
 536           Select Titan if you are configuring for a Nimble Microsystems
 537           NetEngine NP51R.
 538
 539 config SH_SHMIN
 540         bool "SHMIN"
 541         depends on CPU_SUBTYPE_SH7706
 542         select CPU_HAS_IPR_IRQ
 543         help
 544           Select SHMIN if configuring for the SHMIN board.
 545
 546 config SH_LBOX_RE2
 547         bool "L-BOX RE2"
 548         depends on CPU_SUBTYPE_SH7751R
 549         select SYS_SUPPORTS_PCI
 550         help
 551           Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
 552
 553 config SH_X3PROTO
 554         bool "SH-X3 Prototype board"
 555         depends on CPU_SUBTYPE_SHX3
 556
 557 config SH_MAGIC_PANEL_R2
 558         bool "Magic Panel R2"
 559         depends on CPU_SUBTYPE_SH7720
 560         help
 561           Select Magic Panel R2 if configuring for Magic Panel R2.
 562
 563 config SH_CAYMAN
 564         bool "Hitachi Cayman"
 565         depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
 566         select SYS_SUPPORTS_PCI
 567
 568 endmenu
 569
 570 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
 571 source "arch/sh/boards/renesas/r7780rp/Kconfig"
 572 source "arch/sh/boards/renesas/sdk7780/Kconfig"
 573 source "arch/sh/boards/magicpanelr2/Kconfig"
 574
 575 menu "Timer and clock configuration"
 576
 577 config SH_TMU
 578         def_bool y
 579         prompt "TMU timer support"
 580         depends on CPU_SH3 || CPU_SH4
 581         select GENERIC_TIME
 582         select GENERIC_CLOCKEVENTS
 583         help
 584           This enables the use of the TMU as the system timer.
 585
 586 config SH_CMT
 587         def_bool y
 588         prompt "CMT timer support"
 589         depends on CPU_SH2 && !CPU_SUBTYPE_MXG
 590         help
 591           This enables the use of the CMT as the system timer.
 592
 593 config SH_MTU2
 594         def_bool n
 595         prompt "MTU2 timer support"
 596         depends on CPU_SH2A
 597         help
 598           This enables the use of the MTU2 as the system timer.
 599
 600 config SH_TIMER_IRQ
 601         int
 602         default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
 603                         CPU_SUBTYPE_SH7763
 604         default "86" if CPU_SUBTYPE_SH7619
 605         default "140" if CPU_SUBTYPE_SH7206
 606         default "142" if CPU_SUBTYPE_SH7203
 607         default "238" if CPU_SUBTYPE_MXG
 608         default "16"
 609
 610 config SH_PCLK_FREQ
 611         int "Peripheral clock frequency (in Hz)"
 612         default "27000000" if CPU_SUBTYPE_SH7343
 613         default "31250000" if CPU_SUBTYPE_SH7619
 614         default "32000000" if CPU_SUBTYPE_SH7722
 615         default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
 616                               CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
 617                               CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
 618                               CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
 619         default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
 620         default "66000000" if CPU_SUBTYPE_SH4_202
 621         default "50000000"
 622         help
 623           This option is used to specify the peripheral clock frequency.
 624           This is necessary for determining the reference clock value on
 625           platforms lacking an RTC.
 626
 627 config SH_CLK_MD
 628         int "CPU Mode Pin Setting"
 629         depends on CPU_SH2
 630         default 6 if CPU_SUBTYPE_SH7206
 631         default 5 if CPU_SUBTYPE_SH7619
 632         default 0
 633         help
 634           MD2 - MD0 pin setting.
 635
 636 source "kernel/time/Kconfig"
 637
 638 endmenu
 639
 640 menu "CPU Frequency scaling"
 641
 642 source "drivers/cpufreq/Kconfig"
 643
 644 config SH_CPU_FREQ
 645         tristate "SuperH CPU Frequency driver"
 646         depends on CPU_FREQ
 647         select CPU_FREQ_TABLE
 648         help
 649           This adds the cpufreq driver for SuperH. At present, only
 650           the SH-4 is supported.
 651
 652           For details, take a look at <file:Documentation/cpu-freq>.
 653
 654           If unsure, say N.
 655
 656 endmenu
 657
 658 source "arch/sh/drivers/Kconfig"
 659
 660 endmenu
 661
 662 config ISA_DMA_API
 663         bool
 664
 665 menu "Kernel features"
 666
 667 source kernel/Kconfig.hz
 668
 669 config KEXEC
 670         bool "kexec system call (EXPERIMENTAL)"
 671         depends on SUPERH32 && EXPERIMENTAL
 672         help
 673           kexec is a system call that implements the ability to shutdown your
 674           current kernel, and to start another kernel.  It is like a reboot
 675           but it is independent of the system firmware.  And like a reboot
 676           you can start any kernel with it, not just Linux.
 677
 678           The name comes from the similarity to the exec system call.
 679
 680           It is an ongoing process to be certain the hardware in a machine
 681           is properly shutdown, so do not be surprised if this code does not
 682           initially work for you.  It may help to enable device hotplugging
 683           support.  As of this writing the exact hardware interface is
 684           strongly in flux, so no good recommendation can be made.
 685
 686 config CRASH_DUMP
 687         bool "kernel crash dumps (EXPERIMENTAL)"
 688         depends on SUPERH32 && EXPERIMENTAL
 689         help
 690           Generate crash dump after being started by kexec.
 691           This should be normally only set in special crash dump kernels
 692           which are loaded in the main kernel with kexec-tools into
 693           a specially reserved region and then later executed after
 694           a crash by kdump/kexec. The crash dump kernel must be compiled
 695           to a memory address not used by the main kernel using
 696           MEMORY_START.
 697
 698           For more details see Documentation/kdump/kdump.txt
 699
 700 config SMP
 701         bool "Symmetric multi-processing support"
 702         depends on SYS_SUPPORTS_SMP
 703         select USE_GENERIC_SMP_HELPERS
 704         ---help---
 705           This enables support for systems with more than one CPU. If you have
 706           a system with only one CPU, like most personal computers, say N. If
 707           you have a system with more than one CPU, say Y.
 708
 709           If you say N here, the kernel will run on single and multiprocessor
 710           machines, but will use only one CPU of a multiprocessor machine. If
 711           you say Y here, the kernel will run on many, but not all,
 712           singleprocessor machines. On a singleprocessor machine, the kernel
 713           will run faster if you say N here.
 714
 715           People using multiprocessor machines who say Y here should also say
 716           Y to "Enhanced Real Time Clock Support", below.
 717
 718           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
 719           available at <http://www.tldp.org/docs.html#howto>.
 720
 721           If you don't know what to do here, say N.
 722
 723 config NR_CPUS
 724         int "Maximum number of CPUs (2-32)"
 725         range 2 32
 726         depends on SMP
 727         default "4" if CPU_SHX3
 728         default "2"
 729         help
 730           This allows you to specify the maximum number of CPUs which this
 731           kernel will support.  The maximum supported value is 32 and the
 732           minimum value which makes sense is 2.
 733
 734           This is purely to save memory - each supported CPU adds
 735           approximately eight kilobytes to the kernel image.
 736
 737 source "kernel/Kconfig.preempt"
 738
 739 config GUSA
 740         def_bool y
 741         depends on !SMP && SUPERH32
 742         help
 743           This enables support for gUSA (general UserSpace Atomicity).
 744           This is the default implementation for both UP and non-ll/sc
 745           CPUs, and is used by the libc, amongst others.
 746
 747           For additional information, design information can be found
 748           in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
 749
 750           This should only be disabled for special cases where alternate
 751           atomicity implementations exist.
 752
 753 config GUSA_RB
 754         bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
 755         depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
 756         help
 757           Enabling this option will allow the kernel to implement some
 758           atomic operations using a software implemention of load-locked/
 759           store-conditional (LLSC). On machines which do not have hardware
 760           LLSC, this should be more efficient than the other alternative of
 761           disabling insterrupts around the atomic sequence.
 762
 763 endmenu
 764
 765 menu "Boot options"
 766
 767 config ZERO_PAGE_OFFSET
 768         hex "Zero page offset"
 769         default "0x00004000" if SH_SH03
 770         default "0x00010000" if PAGE_SIZE_64KB
 771         default "0x00002000" if PAGE_SIZE_8KB
 772         default "0x00001000"
 773         help
 774           This sets the default offset of zero page.
 775
 776 config BOOT_LINK_OFFSET
 777         hex "Link address offset for booting"
 778         default "0x00800000"
 779         help
 780           This option allows you to set the link address offset of the zImage.
 781           This can be useful if you are on a board which has a small amount of
 782           memory.
 783
 784 config UBC_WAKEUP
 785         bool "Wakeup UBC on startup"
 786         depends on CPU_SH4 && !CPU_SH4A
 787         help
 788           Selecting this option will wakeup the User Break Controller (UBC) on
 789           startup. Although the UBC is left in an awake state when the processor
 790           comes up, some boot loaders misbehave by putting the UBC to sleep in a
 791           power saving state, which causes issues with things like ptrace().
 792
 793           If unsure, say N.
 794
 795 config CMDLINE_BOOL
 796         bool "Default bootloader kernel arguments"
 797
 798 config CMDLINE
 799         string "Initial kernel command string"
 800         depends on CMDLINE_BOOL
 801         default "console=ttySC1,115200"
 802
 803 endmenu
 804
 805 menu "Bus options"
 806
 807 # Even on SuperH devices which don't have an ISA bus,
 808 # this variable helps the PCMCIA modules handle
 809 # IRQ requesting properly -- Greg Banks.
 810 #
 811 # Though we're generally not interested in it when
 812 # we're not using PCMCIA, so we make it dependent on
 813 # PCMCIA outright. -- PFM.
 814 config ISA
 815         def_bool y
 816         depends on PCMCIA && HD6446X_SERIES
 817         help
 818           Find out whether you have ISA slots on your motherboard.  ISA is the
 819           name of a bus system, i.e. the way the CPU talks to the other stuff
 820           inside your box.  Other bus systems are PCI, EISA, MicroChannel
 821           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 822           newer boards don't support it.  If you have ISA, say Y, otherwise N.
 823
 824 config EISA
 825         bool
 826         ---help---
 827           The Extended Industry Standard Architecture (EISA) bus was
 828           developed as an open alternative to the IBM MicroChannel bus.
 829
 830           The EISA bus provided some of the features of the IBM MicroChannel
 831           bus while maintaining backward compatibility with cards made for
 832           the older ISA bus.  The EISA bus saw limited use between 1988 and
 833           1995 when it was made obsolete by the PCI bus.
 834
 835           Say Y here if you are building a kernel for an EISA-based machine.
 836
 837           Otherwise, say N.
 838
 839 config MCA
 840         bool
 841         help
 842           MicroChannel Architecture is found in some IBM PS/2 machines and
 843           laptops.  It is a bus system similar to PCI or ISA. See
 844           <file:Documentation/mca.txt> (and especially the web page given
 845           there) before attempting to build an MCA bus kernel.
 846
 847 config SBUS
 848         bool
 849
 850 config SUPERHYWAY
 851         tristate "SuperHyway Bus support"
 852         depends on CPU_SUBTYPE_SH4_202
 853
 854 config MAPLE
 855        bool "Maple Bus support"
 856        depends on SH_DREAMCAST
 857        help
 858          The Maple Bus is SEGA's serial communication bus for peripherals
 859          on the Dreamcast. Without this bus support you won't be able to
 860          get your Dreamcast keyboard etc to work, so most users
 861          probably want to say 'Y' here, unless you are only using the
 862          Dreamcast with a serial line terminal or a remote network
 863          connection.
 864
 865 config CF_ENABLER
 866         bool "Compact Flash Enabler support"
 867         depends on SOLUTION_ENGINE || SH_SH03
 868         ---help---
 869           Compact Flash is a small, removable mass storage device introduced
 870           in 1994 originally as a PCMCIA device.  If you say `Y' here, you
 871           compile in support for Compact Flash devices directly connected to
 872           a SuperH processor.  A Compact Flash FAQ is available at
 873           <http://www.compactflash.org/faqs/faq.htm>.
 874
 875           If your board has "Directly Connected" CompactFlash at area 5 or 6,
 876           you may want to enable this option.  Then, you can use CF as
 877           primary IDE drive (only tested for SanDisk).
 878
 879           If in doubt, select 'N'.
 880
 881 choice
 882         prompt "Compact Flash Connection Area"
 883         depends on CF_ENABLER
 884         default CF_AREA6
 885
 886 config CF_AREA5
 887         bool "Area5"
 888         help
 889           If your board has "Directly Connected" CompactFlash, You should
 890           select the area where your CF is connected to.
 891
 892           - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
 893           - "Area6" if it is connected to Area 6 (0x18000000)
 894
 895           "Area6" will work for most boards.
 896
 897 config CF_AREA6
 898         bool "Area6"
 899
 900 endchoice
 901
 902 config CF_BASE_ADDR
 903         hex
 904         depends on CF_ENABLER
 905         default "0xb8000000" if CF_AREA6
 906         default "0xb4000000" if CF_AREA5
 907
 908 source "arch/sh/drivers/pci/Kconfig"
 909
 910 source "drivers/pci/Kconfig"
 911
 912 source "drivers/pcmcia/Kconfig"
 913
 914 source "drivers/pci/hotplug/Kconfig"
 915
 916 endmenu
 917
 918 menu "Executable file formats"
 919
 920 source "fs/Kconfig.binfmt"
 921
 922 endmenu
 923
 924 menu "Power management options (EXPERIMENTAL)"
 925 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
 926
 927 config ARCH_SUSPEND_POSSIBLE
 928         def_bool y
 929         depends on !SMP
 930
 931 source kernel/power/Kconfig
 932
 933 endmenu
 934
 935 source "net/Kconfig"
 936
 937 source "drivers/Kconfig"
 938
 939 source "fs/Kconfig"
 940
 941 source "arch/sh/Kconfig.debug"
 942
 943 source "security/Kconfig"
 944
 945 source "crypto/Kconfig"
 946
 947 source "lib/Kconfig"