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_IDE
  12         select HAVE_OPROFILE
  13         help
  14           The SuperH is a RISC processor targeted for use in embedded systems
  15           and consumer electronics; it was also used in the Sega Dreamcast
  16           gaming console.  The SuperH port has a home page at
  17           <http://www.linux-sh.org/>.
  18
  19 config SUPERH32
  20         def_bool !SUPERH64
  21
  22 config SUPERH64
  23         def_bool y if CPU_SH5
  24
  25 config RWSEM_GENERIC_SPINLOCK
  26         def_bool y
  27
  28 config RWSEM_XCHGADD_ALGORITHM
  29         bool
  30
  31 config GENERIC_BUG
  32         def_bool y
  33         depends on BUG && SUPERH32
  34
  35 config GENERIC_FIND_NEXT_BIT
  36         def_bool y
  37
  38 config GENERIC_HWEIGHT
  39         def_bool y
  40
  41 config GENERIC_HARDIRQS
  42         def_bool y
  43
  44 config GENERIC_IRQ_PROBE
  45         def_bool y
  46
  47 config GENERIC_CALIBRATE_DELAY
  48         def_bool y
  49
  50 config GENERIC_IOMAP
  51         bool
  52
  53 config GENERIC_TIME
  54         def_bool n
  55
  56 config GENERIC_CLOCKEVENTS
  57         def_bool n
  58
  59 config SYS_SUPPORTS_PM
  60         bool
  61
  62 config SYS_SUPPORTS_APM_EMULATION
  63         bool
  64         select SYS_SUPPORTS_PM
  65
  66 config SYS_SUPPORTS_SMP
  67         bool
  68
  69 config SYS_SUPPORTS_NUMA
  70         bool
  71
  72 config SYS_SUPPORTS_PCI
  73         bool
  74
  75 config ARCH_MAY_HAVE_PC_FDC
  76         bool
  77
  78 config STACKTRACE_SUPPORT
  79         def_bool y
  80
  81 config LOCKDEP_SUPPORT
  82         def_bool y
  83
  84 config ARCH_HAS_ILOG2_U32
  85         def_bool n
  86
  87 config ARCH_HAS_ILOG2_U64
  88         def_bool n
  89
  90 config ARCH_NO_VIRT_TO_BUS
  91         def_bool y
  92
  93 config ARCH_SUPPORTS_AOUT
  94         def_bool y
  95
  96 config IO_TRAPPED
  97         bool
  98
  99 source "init/Kconfig"
 100
 101 menu "System type"
 102
 103 #
 104 # Processor families
 105 #
 106 config CPU_SH2
 107         bool
 108
 109 config CPU_SH2A
 110         bool
 111         select CPU_SH2
 112
 113 config CPU_SH3
 114         bool
 115         select CPU_HAS_INTEVT
 116         select CPU_HAS_SR_RB
 117
 118 config CPU_SH4
 119         bool
 120         select CPU_HAS_INTEVT
 121         select CPU_HAS_SR_RB
 122         select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
 123         select CPU_HAS_FPU if !CPU_SH4AL_DSP
 124
 125 config CPU_SH4A
 126         bool
 127         select CPU_SH4
 128
 129 config CPU_SH4AL_DSP
 130         bool
 131         select CPU_SH4A
 132         select CPU_HAS_DSP
 133
 134 config CPU_SH5
 135         bool
 136         select CPU_HAS_FPU
 137
 138 config CPU_SHX2
 139         bool
 140
 141 config CPU_SHX3
 142         bool
 143
 144 choice
 145         prompt "Processor sub-type selection"
 146
 147 #
 148 # Processor subtypes
 149 #
 150
 151 # SH-2 Processor Support
 152
 153 config CPU_SUBTYPE_SH7619
 154         bool "Support SH7619 processor"
 155         select CPU_SH2
 156
 157 # SH-2A Processor Support
 158
 159 config CPU_SUBTYPE_SH7203
 160         bool "Support SH7203 processor"
 161         select CPU_SH2A
 162         select CPU_HAS_FPU
 163
 164 config CPU_SUBTYPE_SH7206
 165         bool "Support SH7206 processor"
 166         select CPU_SH2A
 167
 168 config CPU_SUBTYPE_SH7263
 169         bool "Support SH7263 processor"
 170         select CPU_SH2A
 171         select CPU_HAS_FPU
 172
 173 # SH-3 Processor Support
 174
 175 config CPU_SUBTYPE_SH7705
 176         bool "Support SH7705 processor"
 177         select CPU_SH3
 178
 179 config CPU_SUBTYPE_SH7706
 180         bool "Support SH7706 processor"
 181         select CPU_SH3
 182         help
 183           Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
 184
 185 config CPU_SUBTYPE_SH7707
 186         bool "Support SH7707 processor"
 187         select CPU_SH3
 188         help
 189           Select SH7707 if you have a  60 Mhz SH-3 HD6417707 CPU.
 190
 191 config CPU_SUBTYPE_SH7708
 192         bool "Support SH7708 processor"
 193         select CPU_SH3
 194         help
 195           Select SH7708 if you have a  60 Mhz SH-3 HD6417708S or
 196           if you have a 100 Mhz SH-3 HD6417708R CPU.
 197
 198 config CPU_SUBTYPE_SH7709
 199         bool "Support SH7709 processor"
 200         select CPU_SH3
 201         help
 202           Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 203
 204 config CPU_SUBTYPE_SH7710
 205         bool "Support SH7710 processor"
 206         select CPU_SH3
 207         select CPU_HAS_DSP
 208         help
 209           Select SH7710 if you have a SH3-DSP SH7710 CPU.
 210
 211 config CPU_SUBTYPE_SH7712
 212         bool "Support SH7712 processor"
 213         select CPU_SH3
 214         select CPU_HAS_DSP
 215         help
 216           Select SH7712 if you have a SH3-DSP SH7712 CPU.
 217
 218 config CPU_SUBTYPE_SH7720
 219         bool "Support SH7720 processor"
 220         select CPU_SH3
 221         select CPU_HAS_DSP
 222         help
 223           Select SH7720 if you have a SH3-DSP SH7720 CPU.
 224
 225 config CPU_SUBTYPE_SH7721
 226         bool "Support SH7721 processor"
 227         select CPU_SH3
 228         select CPU_HAS_DSP
 229         help
 230           Select SH7721 if you have a SH3-DSP SH7721 CPU.
 231
 232 # SH-4 Processor Support
 233
 234 config CPU_SUBTYPE_SH7750
 235         bool "Support SH7750 processor"
 236         select CPU_SH4
 237         help
 238           Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
 239
 240 config CPU_SUBTYPE_SH7091
 241         bool "Support SH7091 processor"
 242         select CPU_SH4
 243         help
 244           Select SH7091 if you have an SH-4 based Sega device (such as
 245           the Dreamcast, Naomi, and Naomi 2).
 246
 247 config CPU_SUBTYPE_SH7750R
 248         bool "Support SH7750R processor"
 249         select CPU_SH4
 250
 251 config CPU_SUBTYPE_SH7750S
 252         bool "Support SH7750S processor"
 253         select CPU_SH4
 254
 255 config CPU_SUBTYPE_SH7751
 256         bool "Support SH7751 processor"
 257         select CPU_SH4
 258         help
 259           Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
 260           or if you have a HD6417751R CPU.
 261
 262 config CPU_SUBTYPE_SH7751R
 263         bool "Support SH7751R processor"
 264         select CPU_SH4
 265
 266 config CPU_SUBTYPE_SH7760
 267         bool "Support SH7760 processor"
 268         select CPU_SH4
 269
 270 config CPU_SUBTYPE_SH4_202
 271         bool "Support SH4-202 processor"
 272         select CPU_SH4
 273
 274 # SH-4A Processor Support
 275
 276 config CPU_SUBTYPE_SH7763
 277         bool "Support SH7763 processor"
 278         select CPU_SH4A
 279         help
 280           Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
 281
 282 config CPU_SUBTYPE_SH7770
 283         bool "Support SH7770 processor"
 284         select CPU_SH4A
 285
 286 config CPU_SUBTYPE_SH7780
 287         bool "Support SH7780 processor"
 288         select CPU_SH4A
 289
 290 config CPU_SUBTYPE_SH7785
 291         bool "Support SH7785 processor"
 292         select CPU_SH4A
 293         select CPU_SHX2
 294         select ARCH_SPARSEMEM_ENABLE
 295         select SYS_SUPPORTS_NUMA
 296
 297 config CPU_SUBTYPE_SHX3
 298         bool "Support SH-X3 processor"
 299         select CPU_SH4A
 300         select CPU_SHX3
 301         select ARCH_SPARSEMEM_ENABLE
 302         select SYS_SUPPORTS_NUMA
 303         select SYS_SUPPORTS_SMP
 304
 305 # SH4AL-DSP Processor Support
 306
 307 config CPU_SUBTYPE_SH7343
 308         bool "Support SH7343 processor"
 309         select CPU_SH4AL_DSP
 310
 311 config CPU_SUBTYPE_SH7722
 312         bool "Support SH7722 processor"
 313         select CPU_SH4AL_DSP
 314         select CPU_SHX2
 315         select ARCH_SPARSEMEM_ENABLE
 316         select SYS_SUPPORTS_NUMA
 317
 318 config CPU_SUBTYPE_SH7366
 319         bool "Support SH7366 processor"
 320         select CPU_SH4AL_DSP
 321         select CPU_SHX2
 322         select ARCH_SPARSEMEM_ENABLE
 323         select SYS_SUPPORTS_NUMA
 324
 325 # SH-5 Processor Support
 326
 327 config CPU_SUBTYPE_SH5_101
 328         bool "Support SH5-101 processor"
 329         select CPU_SH5
 330
 331 config CPU_SUBTYPE_SH5_103
 332         bool "Support SH5-103 processor"
 333
 334 endchoice
 335
 336 source "arch/sh/mm/Kconfig"
 337 source "arch/sh/Kconfig.cpu"
 338
 339 menu "Board support"
 340
 341 config SOLUTION_ENGINE
 342         bool
 343
 344 config SH_SOLUTION_ENGINE
 345         bool "SolutionEngine"
 346         select SOLUTION_ENGINE
 347         select CPU_HAS_IPR_IRQ
 348         depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
 349           CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
 350           CPU_SUBTYPE_SH7750R
 351         help
 352           Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
 353           SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
 354
 355 config SH_7206_SOLUTION_ENGINE
 356         bool "SolutionEngine7206"
 357         select SOLUTION_ENGINE
 358         depends on CPU_SUBTYPE_SH7206
 359         help
 360           Select 7206 SolutionEngine if configuring for a Hitachi SH7206
 361           evaluation board.
 362
 363 config SH_7619_SOLUTION_ENGINE
 364         bool "SolutionEngine7619"
 365         select SOLUTION_ENGINE
 366         depends on CPU_SUBTYPE_SH7619
 367         help
 368           Select 7619 SolutionEngine if configuring for a Hitachi SH7619
 369           evaluation board.
 370
 371 config SH_7722_SOLUTION_ENGINE
 372         bool "SolutionEngine7722"
 373         select SOLUTION_ENGINE
 374         depends on CPU_SUBTYPE_SH7722
 375         help
 376           Select 7722 SolutionEngine if configuring for a Hitachi SH772
 377           evaluation board.
 378
 379 config SH_7751_SOLUTION_ENGINE
 380         bool "SolutionEngine7751"
 381         select SOLUTION_ENGINE
 382         select CPU_HAS_IPR_IRQ
 383         depends on CPU_SUBTYPE_SH7751
 384         help
 385           Select 7751 SolutionEngine if configuring for a Hitachi SH7751
 386           evaluation board.
 387
 388 config SH_7780_SOLUTION_ENGINE
 389         bool "SolutionEngine7780"
 390         select SOLUTION_ENGINE
 391         select SYS_SUPPORTS_PCI
 392         depends on CPU_SUBTYPE_SH7780
 393         help
 394           Select 7780 SolutionEngine if configuring for a Renesas SH7780
 395           evaluation board.
 396
 397 config SH_7343_SOLUTION_ENGINE
 398         bool "SolutionEngine7343"
 399         select SOLUTION_ENGINE
 400         depends on CPU_SUBTYPE_SH7343
 401         help
 402           Select 7343 SolutionEngine if configuring for a Hitachi
 403           SH7343 (SH-Mobile 3AS) evaluation board.
 404
 405 config SH_7751_SYSTEMH
 406         bool "SystemH7751R"
 407         depends on CPU_SUBTYPE_SH7751R
 408         help
 409           Select SystemH if you are configuring for a Renesas SystemH
 410           7751R evaluation board.
 411
 412 config SH_HP6XX
 413         bool "HP6XX"
 414         select SYS_SUPPORTS_APM_EMULATION
 415         select HD6446X_SERIES
 416         depends on CPU_SUBTYPE_SH7709
 417         help
 418           Select HP6XX if configuring for a HP jornada HP6xx.
 419           More information (hardware only) at
 420           <http://www.hp.com/jornada/>.
 421
 422 config SH_DREAMCAST
 423         bool "Dreamcast"
 424         select SYS_SUPPORTS_PCI
 425         depends on CPU_SUBTYPE_SH7091
 426         help
 427           Select Dreamcast if configuring for a SEGA Dreamcast.
 428           More information at <http://www.linux-sh.org>
 429
 430 config SH_MPC1211
 431         bool "Interface MPC1211"
 432         depends on CPU_SUBTYPE_SH7751 && BROKEN
 433         help
 434           CTP/PCI-SH02 is a CPU module computer that is produced
 435           by Interface Corporation.
 436           More information at <http://www.interface.co.jp>
 437
 438 config SH_SH03
 439         bool "Interface CTP/PCI-SH03"
 440         depends on CPU_SUBTYPE_SH7751
 441         select CPU_HAS_IPR_IRQ
 442         select SYS_SUPPORTS_PCI
 443         help
 444           CTP/PCI-SH03 is a CPU module computer that is produced
 445           by Interface Corporation.
 446           More information at <http://www.interface.co.jp>
 447
 448 config SH_SECUREEDGE5410
 449         bool "SecureEdge5410"
 450         depends on CPU_SUBTYPE_SH7751R
 451         select CPU_HAS_IPR_IRQ
 452         select SYS_SUPPORTS_PCI
 453         help
 454           Select SecureEdge5410 if configuring for a SnapGear SH board.
 455           This includes both the OEM SecureEdge products as well as the
 456           SME product line.
 457
 458 config SH_7710VOIPGW
 459         bool "SH7710-VOIP-GW"
 460         depends on CPU_SUBTYPE_SH7710
 461         help
 462           Select this option to build a kernel for the SH7710 based
 463           VOIP GW.
 464
 465 config SH_RTS7751R2D
 466         bool "RTS7751R2D"
 467         depends on CPU_SUBTYPE_SH7751R
 468         select SYS_SUPPORTS_PCI
 469         select IO_TRAPPED
 470         help
 471           Select RTS7751R2D if configuring for a Renesas Technology
 472           Sales SH-Graphics board.
 473
 474 config SH_SDK7780
 475         bool "SDK7780R3"
 476         depends on CPU_SUBTYPE_SH7780
 477         select SYS_SUPPORTS_PCI
 478         help
 479           Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
 480           evaluation board.
 481
 482 config SH_HIGHLANDER
 483         bool "Highlander"
 484         depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
 485         select SYS_SUPPORTS_PCI
 486         select IO_TRAPPED
 487
 488 config SH_MIGOR
 489         bool "Migo-R"
 490         depends on CPU_SUBTYPE_SH7722
 491         help
 492           Select Migo-R if configuring for the SH7722 Migo-R platform
 493           by Renesas System Solutions Asia Pte. Ltd.
 494
 495 config SH_EDOSK7705
 496         bool "EDOSK7705"
 497         depends on CPU_SUBTYPE_SH7705
 498
 499 config SH_SH4202_MICRODEV
 500         bool "SH4-202 MicroDev"
 501         depends on CPU_SUBTYPE_SH4_202
 502         help
 503           Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
 504           with an SH4-202 CPU.
 505
 506 config SH_LANDISK
 507         bool "LANDISK"
 508         depends on CPU_SUBTYPE_SH7751R
 509         select SYS_SUPPORTS_PCI
 510         help
 511           I-O DATA DEVICE, INC. "LANDISK Series" support.
 512
 513 config SH_TITAN
 514         bool "TITAN"
 515         depends on CPU_SUBTYPE_SH7751R
 516         select CPU_HAS_IPR_IRQ
 517         select SYS_SUPPORTS_PCI
 518         help
 519           Select Titan if you are configuring for a Nimble Microsystems
 520           NetEngine NP51R.
 521
 522 config SH_SHMIN
 523         bool "SHMIN"
 524         depends on CPU_SUBTYPE_SH7706
 525         select CPU_HAS_IPR_IRQ
 526         help
 527           Select SHMIN if configuring for the SHMIN board.
 528
 529 config SH_LBOX_RE2
 530         bool "L-BOX RE2"
 531         depends on CPU_SUBTYPE_SH7751R
 532         select SYS_SUPPORTS_PCI
 533         help
 534           Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
 535
 536 config SH_X3PROTO
 537         bool "SH-X3 Prototype board"
 538         depends on CPU_SUBTYPE_SHX3
 539
 540 config SH_MAGIC_PANEL_R2
 541         bool "Magic Panel R2"
 542         depends on CPU_SUBTYPE_SH7720
 543         help
 544           Select Magic Panel R2 if configuring for Magic Panel R2.
 545
 546 config SH_CAYMAN
 547         bool "Hitachi Cayman"
 548         depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
 549         select SYS_SUPPORTS_PCI
 550
 551 endmenu
 552
 553 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
 554 source "arch/sh/boards/renesas/r7780rp/Kconfig"
 555 source "arch/sh/boards/renesas/sdk7780/Kconfig"
 556 source "arch/sh/boards/magicpanelr2/Kconfig"
 557
 558 menu "Timer and clock configuration"
 559
 560 config SH_TMU
 561         def_bool y
 562         prompt "TMU timer support"
 563         depends on CPU_SH3 || CPU_SH4
 564         select GENERIC_TIME
 565         select GENERIC_CLOCKEVENTS
 566         help
 567           This enables the use of the TMU as the system timer.
 568
 569 config SH_CMT
 570         def_bool y
 571         prompt "CMT timer support"
 572         depends on CPU_SH2
 573         help
 574           This enables the use of the CMT as the system timer.
 575
 576 config SH_MTU2
 577         def_bool n
 578         prompt "MTU2 timer support"
 579         depends on CPU_SH2A
 580         help
 581           This enables the use of the MTU2 as the system timer.
 582
 583 config SH_TIMER_IRQ
 584         int
 585         default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
 586                         CPU_SUBTYPE_SH7763
 587         default "86" if CPU_SUBTYPE_SH7619
 588         default "140" if CPU_SUBTYPE_SH7206
 589         default "16"
 590
 591 config SH_PCLK_FREQ
 592         int "Peripheral clock frequency (in Hz)"
 593         default "27000000" if CPU_SUBTYPE_SH7343
 594         default "31250000" if CPU_SUBTYPE_SH7619
 595         default "32000000" if CPU_SUBTYPE_SH7722
 596         default "33333333" if CPU_SUBTYPE_SH7770 || \
 597                               CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
 598                               CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
 599                               CPU_SUBTYPE_SH7263
 600         default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
 601         default "66000000" if CPU_SUBTYPE_SH4_202
 602         default "50000000"
 603         help
 604           This option is used to specify the peripheral clock frequency.
 605           This is necessary for determining the reference clock value on
 606           platforms lacking an RTC.
 607
 608 config SH_CLK_MD
 609         int "CPU Mode Pin Setting"
 610         depends on CPU_SH2
 611         default 6 if CPU_SUBTYPE_SH7206
 612         default 5 if CPU_SUBTYPE_SH7619
 613         default 0
 614         help
 615           MD2 - MD0 pin setting.
 616
 617 source "kernel/time/Kconfig"
 618
 619 endmenu
 620
 621 menu "CPU Frequency scaling"
 622
 623 source "drivers/cpufreq/Kconfig"
 624
 625 config SH_CPU_FREQ
 626         tristate "SuperH CPU Frequency driver"
 627         depends on CPU_FREQ
 628         select CPU_FREQ_TABLE
 629         help
 630           This adds the cpufreq driver for SuperH. At present, only
 631           the SH-4 is supported.
 632
 633           For details, take a look at <file:Documentation/cpu-freq>.
 634
 635           If unsure, say N.
 636
 637 endmenu
 638
 639 source "arch/sh/drivers/Kconfig"
 640
 641 endmenu
 642
 643 config ISA_DMA_API
 644         def_bool y
 645         depends on SH_MPC1211
 646
 647 menu "Kernel features"
 648
 649 source kernel/Kconfig.hz
 650
 651 config KEXEC
 652         bool "kexec system call (EXPERIMENTAL)"
 653         depends on EXPERIMENTAL
 654         help
 655           kexec is a system call that implements the ability to shutdown your
 656           current kernel, and to start another kernel.  It is like a reboot
 657           but it is independent of the system firmware.  And like a reboot
 658           you can start any kernel with it, not just Linux.
 659
 660           The name comes from the similarity to the exec system call.
 661
 662           It is an ongoing process to be certain the hardware in a machine
 663           is properly shutdown, so do not be surprised if this code does not
 664           initially work for you.  It may help to enable device hotplugging
 665           support.  As of this writing the exact hardware interface is
 666           strongly in flux, so no good recommendation can be made.
 667
 668 config CRASH_DUMP
 669         bool "kernel crash dumps (EXPERIMENTAL)"
 670         depends on EXPERIMENTAL
 671         help
 672           Generate crash dump after being started by kexec.
 673           This should be normally only set in special crash dump kernels
 674           which are loaded in the main kernel with kexec-tools into
 675           a specially reserved region and then later executed after
 676           a crash by kdump/kexec. The crash dump kernel must be compiled
 677           to a memory address not used by the main kernel using
 678           MEMORY_START.
 679
 680           For more details see Documentation/kdump/kdump.txt
 681
 682 config SMP
 683         bool "Symmetric multi-processing support"
 684         depends on SYS_SUPPORTS_SMP
 685         ---help---
 686           This enables support for systems with more than one CPU. If you have
 687           a system with only one CPU, like most personal computers, say N. If
 688           you have a system with more than one CPU, say Y.
 689
 690           If you say N here, the kernel will run on single and multiprocessor
 691           machines, but will use only one CPU of a multiprocessor machine. If
 692           you say Y here, the kernel will run on many, but not all,
 693           singleprocessor machines. On a singleprocessor machine, the kernel
 694           will run faster if you say N here.
 695
 696           People using multiprocessor machines who say Y here should also say
 697           Y to "Enhanced Real Time Clock Support", below.
 698
 699           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
 700           available at <http://www.tldp.org/docs.html#howto>.
 701
 702           If you don't know what to do here, say N.
 703
 704 config NR_CPUS
 705         int "Maximum number of CPUs (2-32)"
 706         range 2 32
 707         depends on SMP
 708         default "4" if CPU_SHX3
 709         default "2"
 710         help
 711           This allows you to specify the maximum number of CPUs which this
 712           kernel will support.  The maximum supported value is 32 and the
 713           minimum value which makes sense is 2.
 714
 715           This is purely to save memory - each supported CPU adds
 716           approximately eight kilobytes to the kernel image.
 717
 718 source "kernel/Kconfig.preempt"
 719
 720 config GUSA
 721         def_bool y
 722         depends on !SMP && SUPERH32
 723         help
 724           This enables support for gUSA (general UserSpace Atomicity).
 725           This is the default implementation for both UP and non-ll/sc
 726           CPUs, and is used by the libc, amongst others.
 727
 728           For additional information, design information can be found
 729           in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
 730
 731           This should only be disabled for special cases where alternate
 732           atomicity implementations exist.
 733
 734 config GUSA_RB
 735         bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
 736         depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
 737         help
 738           Enabling this option will allow the kernel to implement some
 739           atomic operations using a software implemention of load-locked/
 740           store-conditional (LLSC). On machines which do not have hardware
 741           LLSC, this should be more efficient than the other alternative of
 742           disabling insterrupts around the atomic sequence.
 743
 744 endmenu
 745
 746 menu "Boot options"
 747
 748 config ZERO_PAGE_OFFSET
 749         hex "Zero page offset"
 750         default "0x00004000" if SH_MPC1211 || SH_SH03
 751         default "0x00010000" if PAGE_SIZE_64KB
 752         default "0x00002000" if PAGE_SIZE_8KB
 753         default "0x00001000"
 754         help
 755           This sets the default offset of zero page.
 756
 757 config BOOT_LINK_OFFSET
 758         hex "Link address offset for booting"
 759         default "0x00800000"
 760         help
 761           This option allows you to set the link address offset of the zImage.
 762           This can be useful if you are on a board which has a small amount of
 763           memory.
 764
 765 config UBC_WAKEUP
 766         bool "Wakeup UBC on startup"
 767         depends on CPU_SH4 && !CPU_SH4A
 768         help
 769           Selecting this option will wakeup the User Break Controller (UBC) on
 770           startup. Although the UBC is left in an awake state when the processor
 771           comes up, some boot loaders misbehave by putting the UBC to sleep in a
 772           power saving state, which causes issues with things like ptrace().
 773
 774           If unsure, say N.
 775
 776 config CMDLINE_BOOL
 777         bool "Default bootloader kernel arguments"
 778
 779 config CMDLINE
 780         string "Initial kernel command string"
 781         depends on CMDLINE_BOOL
 782         default "console=ttySC1,115200"
 783
 784 endmenu
 785
 786 menu "Bus options"
 787
 788 # Even on SuperH devices which don't have an ISA bus,
 789 # this variable helps the PCMCIA modules handle
 790 # IRQ requesting properly -- Greg Banks.
 791 #
 792 # Though we're generally not interested in it when
 793 # we're not using PCMCIA, so we make it dependent on
 794 # PCMCIA outright. -- PFM.
 795 config ISA
 796         def_bool y
 797         depends on PCMCIA && HD6446X_SERIES
 798         help
 799           Find out whether you have ISA slots on your motherboard.  ISA is the
 800           name of a bus system, i.e. the way the CPU talks to the other stuff
 801           inside your box.  Other bus systems are PCI, EISA, MicroChannel
 802           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 803           newer boards don't support it.  If you have ISA, say Y, otherwise N.
 804
 805 config EISA
 806         bool
 807         ---help---
 808           The Extended Industry Standard Architecture (EISA) bus was
 809           developed as an open alternative to the IBM MicroChannel bus.
 810
 811           The EISA bus provided some of the features of the IBM MicroChannel
 812           bus while maintaining backward compatibility with cards made for
 813           the older ISA bus.  The EISA bus saw limited use between 1988 and
 814           1995 when it was made obsolete by the PCI bus.
 815
 816           Say Y here if you are building a kernel for an EISA-based machine.
 817
 818           Otherwise, say N.
 819
 820 config MCA
 821         bool
 822         help
 823           MicroChannel Architecture is found in some IBM PS/2 machines and
 824           laptops.  It is a bus system similar to PCI or ISA. See
 825           <file:Documentation/mca.txt> (and especially the web page given
 826           there) before attempting to build an MCA bus kernel.
 827
 828 config SBUS
 829         bool
 830
 831 config SUPERHYWAY
 832         tristate "SuperHyway Bus support"
 833         depends on CPU_SUBTYPE_SH4_202
 834
 835 config MAPLE
 836        bool "Maple Bus support"
 837        depends on SH_DREAMCAST
 838        help
 839          The Maple Bus is SEGA's serial communication bus for peripherals
 840          on the Dreamcast. Without this bus support you won't be able to
 841          get your Dreamcast keyboard etc to work, so most users
 842          probably want to say 'Y' here, unless you are only using the
 843          Dreamcast with a serial line terminal or a remote network
 844          connection.
 845
 846 config CF_ENABLER
 847         bool "Compact Flash Enabler support"
 848         depends on SOLUTION_ENGINE || SH_SH03
 849         ---help---
 850           Compact Flash is a small, removable mass storage device introduced
 851           in 1994 originally as a PCMCIA device.  If you say `Y' here, you
 852           compile in support for Compact Flash devices directly connected to
 853           a SuperH processor.  A Compact Flash FAQ is available at
 854           <http://www.compactflash.org/faqs/faq.htm>.
 855
 856           If your board has "Directly Connected" CompactFlash at area 5 or 6,
 857           you may want to enable this option.  Then, you can use CF as
 858           primary IDE drive (only tested for SanDisk).
 859
 860           If in doubt, select 'N'.
 861
 862 choice
 863         prompt "Compact Flash Connection Area"
 864         depends on CF_ENABLER
 865         default CF_AREA6
 866
 867 config CF_AREA5
 868         bool "Area5"
 869         help
 870           If your board has "Directly Connected" CompactFlash, You should
 871           select the area where your CF is connected to.
 872
 873           - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
 874           - "Area6" if it is connected to Area 6 (0x18000000)
 875
 876           "Area6" will work for most boards.
 877
 878 config CF_AREA6
 879         bool "Area6"
 880
 881 endchoice
 882
 883 config CF_BASE_ADDR
 884         hex
 885         depends on CF_ENABLER
 886         default "0xb8000000" if CF_AREA6
 887         default "0xb4000000" if CF_AREA5
 888
 889 source "arch/sh/drivers/pci/Kconfig"
 890
 891 source "drivers/pci/Kconfig"
 892
 893 source "drivers/pcmcia/Kconfig"
 894
 895 source "drivers/pci/hotplug/Kconfig"
 896
 897 endmenu
 898
 899 menu "Executable file formats"
 900
 901 source "fs/Kconfig.binfmt"
 902
 903 endmenu
 904
 905 menu "Power management options (EXPERIMENTAL)"
 906 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
 907
 908 config ARCH_SUSPEND_POSSIBLE
 909         def_bool y
 910         depends on !SMP
 911
 912 source kernel/power/Kconfig
 913
 914 endmenu
 915
 916 source "net/Kconfig"
 917
 918 source "drivers/Kconfig"
 919
 920 source "fs/Kconfig"
 921
 922 source "arch/sh/Kconfig.debug"
 923
 924 source "security/Kconfig"
 925
 926 source "crypto/Kconfig"
 927
 928 source "lib/Kconfig"