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 source "init/Kconfig"
  97
  98 menu "System type"
  99
 100 #
 101 # Processor families
 102 #
 103 config CPU_SH2
 104         bool
 105
 106 config CPU_SH2A
 107         bool
 108         select CPU_SH2
 109
 110 config CPU_SH3
 111         bool
 112         select CPU_HAS_INTEVT
 113         select CPU_HAS_SR_RB
 114
 115 config CPU_SH4
 116         bool
 117         select CPU_HAS_INTEVT
 118         select CPU_HAS_SR_RB
 119         select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
 120         select CPU_HAS_FPU if !CPU_SH4AL_DSP
 121
 122 config CPU_SH4A
 123         bool
 124         select CPU_SH4
 125
 126 config CPU_SH4AL_DSP
 127         bool
 128         select CPU_SH4A
 129         select CPU_HAS_DSP
 130
 131 config CPU_SH5
 132         bool
 133         select CPU_HAS_FPU
 134
 135 config CPU_SHX2
 136         bool
 137
 138 config CPU_SHX3
 139         bool
 140
 141 choice
 142         prompt "Processor sub-type selection"
 143
 144 #
 145 # Processor subtypes
 146 #
 147
 148 # SH-2 Processor Support
 149
 150 config CPU_SUBTYPE_SH7619
 151         bool "Support SH7619 processor"
 152         select CPU_SH2
 153
 154 # SH-2A Processor Support
 155
 156 config CPU_SUBTYPE_SH7203
 157         bool "Support SH7203 processor"
 158         select CPU_SH2A
 159         select CPU_HAS_FPU
 160
 161 config CPU_SUBTYPE_SH7206
 162         bool "Support SH7206 processor"
 163         select CPU_SH2A
 164
 165 config CPU_SUBTYPE_SH7263
 166         bool "Support SH7263 processor"
 167         select CPU_SH2A
 168         select CPU_HAS_FPU
 169
 170 # SH-3 Processor Support
 171
 172 config CPU_SUBTYPE_SH7705
 173         bool "Support SH7705 processor"
 174         select CPU_SH3
 175
 176 config CPU_SUBTYPE_SH7706
 177         bool "Support SH7706 processor"
 178         select CPU_SH3
 179         help
 180           Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
 181
 182 config CPU_SUBTYPE_SH7707
 183         bool "Support SH7707 processor"
 184         select CPU_SH3
 185         help
 186           Select SH7707 if you have a  60 Mhz SH-3 HD6417707 CPU.
 187
 188 config CPU_SUBTYPE_SH7708
 189         bool "Support SH7708 processor"
 190         select CPU_SH3
 191         help
 192           Select SH7708 if you have a  60 Mhz SH-3 HD6417708S or
 193           if you have a 100 Mhz SH-3 HD6417708R CPU.
 194
 195 config CPU_SUBTYPE_SH7709
 196         bool "Support SH7709 processor"
 197         select CPU_SH3
 198         help
 199           Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 200
 201 config CPU_SUBTYPE_SH7710
 202         bool "Support SH7710 processor"
 203         select CPU_SH3
 204         select CPU_HAS_DSP
 205         help
 206           Select SH7710 if you have a SH3-DSP SH7710 CPU.
 207
 208 config CPU_SUBTYPE_SH7712
 209         bool "Support SH7712 processor"
 210         select CPU_SH3
 211         select CPU_HAS_DSP
 212         help
 213           Select SH7712 if you have a SH3-DSP SH7712 CPU.
 214
 215 config CPU_SUBTYPE_SH7720
 216         bool "Support SH7720 processor"
 217         select CPU_SH3
 218         select CPU_HAS_DSP
 219         help
 220           Select SH7720 if you have a SH3-DSP SH7720 CPU.
 221
 222 config CPU_SUBTYPE_SH7721
 223         bool "Support SH7721 processor"
 224         select CPU_SH3
 225         select CPU_HAS_DSP
 226         help
 227           Select SH7721 if you have a SH3-DSP SH7721 CPU.
 228
 229 # SH-4 Processor Support
 230
 231 config CPU_SUBTYPE_SH7750
 232         bool "Support SH7750 processor"
 233         select CPU_SH4
 234         help
 235           Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
 236
 237 config CPU_SUBTYPE_SH7091
 238         bool "Support SH7091 processor"
 239         select CPU_SH4
 240         help
 241           Select SH7091 if you have an SH-4 based Sega device (such as
 242           the Dreamcast, Naomi, and Naomi 2).
 243
 244 config CPU_SUBTYPE_SH7750R
 245         bool "Support SH7750R processor"
 246         select CPU_SH4
 247
 248 config CPU_SUBTYPE_SH7750S
 249         bool "Support SH7750S processor"
 250         select CPU_SH4
 251
 252 config CPU_SUBTYPE_SH7751
 253         bool "Support SH7751 processor"
 254         select CPU_SH4
 255         help
 256           Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
 257           or if you have a HD6417751R CPU.
 258
 259 config CPU_SUBTYPE_SH7751R
 260         bool "Support SH7751R processor"
 261         select CPU_SH4
 262
 263 config CPU_SUBTYPE_SH7760
 264         bool "Support SH7760 processor"
 265         select CPU_SH4
 266
 267 config CPU_SUBTYPE_SH4_202
 268         bool "Support SH4-202 processor"
 269         select CPU_SH4
 270
 271 # SH-4A Processor Support
 272
 273 config CPU_SUBTYPE_SH7763
 274         bool "Support SH7763 processor"
 275         select CPU_SH4A
 276         help
 277           Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
 278
 279 config CPU_SUBTYPE_SH7770
 280         bool "Support SH7770 processor"
 281         select CPU_SH4A
 282
 283 config CPU_SUBTYPE_SH7780
 284         bool "Support SH7780 processor"
 285         select CPU_SH4A
 286
 287 config CPU_SUBTYPE_SH7785
 288         bool "Support SH7785 processor"
 289         select CPU_SH4A
 290         select CPU_SHX2
 291         select ARCH_SPARSEMEM_ENABLE
 292         select SYS_SUPPORTS_NUMA
 293
 294 config CPU_SUBTYPE_SHX3
 295         bool "Support SH-X3 processor"
 296         select CPU_SH4A
 297         select CPU_SHX3
 298         select ARCH_SPARSEMEM_ENABLE
 299         select SYS_SUPPORTS_NUMA
 300         select SYS_SUPPORTS_SMP
 301
 302 # SH4AL-DSP Processor Support
 303
 304 config CPU_SUBTYPE_SH7343
 305         bool "Support SH7343 processor"
 306         select CPU_SH4AL_DSP
 307
 308 config CPU_SUBTYPE_SH7722
 309         bool "Support SH7722 processor"
 310         select CPU_SH4AL_DSP
 311         select CPU_SHX2
 312         select ARCH_SPARSEMEM_ENABLE
 313         select SYS_SUPPORTS_NUMA
 314
 315 # SH-5 Processor Support
 316
 317 config CPU_SUBTYPE_SH5_101
 318         bool "Support SH5-101 processor"
 319         select CPU_SH5
 320
 321 config CPU_SUBTYPE_SH5_103
 322         bool "Support SH5-103 processor"
 323
 324 endchoice
 325
 326 source "arch/sh/mm/Kconfig"
 327 source "arch/sh/Kconfig.cpu"
 328
 329 menu "Board support"
 330
 331 config SOLUTION_ENGINE
 332         bool
 333
 334 config SH_SOLUTION_ENGINE
 335         bool "SolutionEngine"
 336         select SOLUTION_ENGINE
 337         select CPU_HAS_IPR_IRQ
 338         depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
 339           CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
 340           CPU_SUBTYPE_SH7750R
 341         help
 342           Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
 343           SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
 344
 345 config SH_7206_SOLUTION_ENGINE
 346         bool "SolutionEngine7206"
 347         select SOLUTION_ENGINE
 348         depends on CPU_SUBTYPE_SH7206
 349         help
 350           Select 7206 SolutionEngine if configuring for a Hitachi SH7206
 351           evaluation board.
 352
 353 config SH_7619_SOLUTION_ENGINE
 354         bool "SolutionEngine7619"
 355         select SOLUTION_ENGINE
 356         depends on CPU_SUBTYPE_SH7619
 357         help
 358           Select 7619 SolutionEngine if configuring for a Hitachi SH7619
 359           evaluation board.
 360
 361 config SH_7722_SOLUTION_ENGINE
 362         bool "SolutionEngine7722"
 363         select SOLUTION_ENGINE
 364         depends on CPU_SUBTYPE_SH7722
 365         help
 366           Select 7722 SolutionEngine if configuring for a Hitachi SH772
 367           evaluation board.
 368
 369 config SH_7751_SOLUTION_ENGINE
 370         bool "SolutionEngine7751"
 371         select SOLUTION_ENGINE
 372         select CPU_HAS_IPR_IRQ
 373         depends on CPU_SUBTYPE_SH7751
 374         help
 375           Select 7751 SolutionEngine if configuring for a Hitachi SH7751
 376           evaluation board.
 377
 378 config SH_7780_SOLUTION_ENGINE
 379         bool "SolutionEngine7780"
 380         select SOLUTION_ENGINE
 381         select SYS_SUPPORTS_PCI
 382         depends on CPU_SUBTYPE_SH7780
 383         help
 384           Select 7780 SolutionEngine if configuring for a Renesas SH7780
 385           evaluation board.
 386
 387 config SH_7343_SOLUTION_ENGINE
 388         bool "SolutionEngine7343"
 389         select SOLUTION_ENGINE
 390         depends on CPU_SUBTYPE_SH7343
 391         help
 392           Select 7343 SolutionEngine if configuring for a Hitachi
 393           SH7343 (SH-Mobile 3AS) evaluation board.
 394
 395 config SH_7751_SYSTEMH
 396         bool "SystemH7751R"
 397         depends on CPU_SUBTYPE_SH7751R
 398         help
 399           Select SystemH if you are configuring for a Renesas SystemH
 400           7751R evaluation board.
 401
 402 config SH_HP6XX
 403         bool "HP6XX"
 404         select SYS_SUPPORTS_APM_EMULATION
 405         select HD6446X_SERIES
 406         depends on CPU_SUBTYPE_SH7709
 407         help
 408           Select HP6XX if configuring for a HP jornada HP6xx.
 409           More information (hardware only) at
 410           <http://www.hp.com/jornada/>.
 411
 412 config SH_DREAMCAST
 413         bool "Dreamcast"
 414         select SYS_SUPPORTS_PCI
 415         depends on CPU_SUBTYPE_SH7091
 416         help
 417           Select Dreamcast if configuring for a SEGA Dreamcast.
 418           More information at <http://www.linux-sh.org>
 419
 420 config SH_MPC1211
 421         bool "Interface MPC1211"
 422         depends on CPU_SUBTYPE_SH7751 && BROKEN
 423         help
 424           CTP/PCI-SH02 is a CPU module computer that is produced
 425           by Interface Corporation.
 426           More information at <http://www.interface.co.jp>
 427
 428 config SH_SH03
 429         bool "Interface CTP/PCI-SH03"
 430         depends on CPU_SUBTYPE_SH7751
 431         select CPU_HAS_IPR_IRQ
 432         select SYS_SUPPORTS_PCI
 433         help
 434           CTP/PCI-SH03 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_SECUREEDGE5410
 439         bool "SecureEdge5410"
 440         depends on CPU_SUBTYPE_SH7751R
 441         select CPU_HAS_IPR_IRQ
 442         select SYS_SUPPORTS_PCI
 443         help
 444           Select SecureEdge5410 if configuring for a SnapGear SH board.
 445           This includes both the OEM SecureEdge products as well as the
 446           SME product line.
 447
 448 config SH_7710VOIPGW
 449         bool "SH7710-VOIP-GW"
 450         depends on CPU_SUBTYPE_SH7710
 451         help
 452           Select this option to build a kernel for the SH7710 based
 453           VOIP GW.
 454
 455 config SH_RTS7751R2D
 456         bool "RTS7751R2D"
 457         depends on CPU_SUBTYPE_SH7751R
 458         select SYS_SUPPORTS_PCI
 459         help
 460           Select RTS7751R2D if configuring for a Renesas Technology
 461           Sales SH-Graphics board.
 462
 463 config SH_SDK7780
 464         bool "SDK7780R3"
 465         depends on CPU_SUBTYPE_SH7780
 466         select SYS_SUPPORTS_PCI
 467         help
 468           Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
 469           evaluation board.
 470
 471 config SH_HIGHLANDER
 472         bool "Highlander"
 473         depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
 474         select SYS_SUPPORTS_PCI
 475
 476 config SH_EDOSK7705
 477         bool "EDOSK7705"
 478         depends on CPU_SUBTYPE_SH7705
 479
 480 config SH_SH4202_MICRODEV
 481         bool "SH4-202 MicroDev"
 482         depends on CPU_SUBTYPE_SH4_202
 483         help
 484           Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
 485           with an SH4-202 CPU.
 486
 487 config SH_LANDISK
 488         bool "LANDISK"
 489         depends on CPU_SUBTYPE_SH7751R
 490         select SYS_SUPPORTS_PCI
 491         help
 492           I-O DATA DEVICE, INC. "LANDISK Series" support.
 493
 494 config SH_TITAN
 495         bool "TITAN"
 496         depends on CPU_SUBTYPE_SH7751R
 497         select CPU_HAS_IPR_IRQ
 498         select SYS_SUPPORTS_PCI
 499         help
 500           Select Titan if you are configuring for a Nimble Microsystems
 501           NetEngine NP51R.
 502
 503 config SH_SHMIN
 504         bool "SHMIN"
 505         depends on CPU_SUBTYPE_SH7706
 506         select CPU_HAS_IPR_IRQ
 507         help
 508           Select SHMIN if configuring for the SHMIN board.
 509
 510 config SH_LBOX_RE2
 511         bool "L-BOX RE2"
 512         depends on CPU_SUBTYPE_SH7751R
 513         select SYS_SUPPORTS_PCI
 514         help
 515           Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
 516
 517 config SH_X3PROTO
 518         bool "SH-X3 Prototype board"
 519         depends on CPU_SUBTYPE_SHX3
 520
 521 config SH_MAGIC_PANEL_R2
 522         bool "Magic Panel R2"
 523         depends on CPU_SUBTYPE_SH7720
 524         help
 525           Select Magic Panel R2 if configuring for Magic Panel R2.
 526
 527 config SH_CAYMAN
 528         bool "Hitachi Cayman"
 529         depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
 530         select SYS_SUPPORTS_PCI
 531
 532 endmenu
 533
 534 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
 535 source "arch/sh/boards/renesas/r7780rp/Kconfig"
 536 source "arch/sh/boards/renesas/sdk7780/Kconfig"
 537 source "arch/sh/boards/magicpanelr2/Kconfig"
 538
 539 menu "Timer and clock configuration"
 540
 541 config SH_TMU
 542         def_bool y
 543         prompt "TMU timer support"
 544         depends on CPU_SH3 || CPU_SH4
 545         select GENERIC_TIME
 546         select GENERIC_CLOCKEVENTS
 547         help
 548           This enables the use of the TMU as the system timer.
 549
 550 config SH_CMT
 551         def_bool y
 552         prompt "CMT timer support"
 553         depends on CPU_SH2
 554         help
 555           This enables the use of the CMT as the system timer.
 556
 557 config SH_MTU2
 558         def_bool n
 559         prompt "MTU2 timer support"
 560         depends on CPU_SH2A
 561         help
 562           This enables the use of the MTU2 as the system timer.
 563
 564 config SH_TIMER_IRQ
 565         int
 566         default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
 567                         CPU_SUBTYPE_SH7763
 568         default "86" if CPU_SUBTYPE_SH7619
 569         default "140" if CPU_SUBTYPE_SH7206
 570         default "16"
 571
 572 config SH_PCLK_FREQ
 573         int "Peripheral clock frequency (in Hz)"
 574         default "27000000" if CPU_SUBTYPE_SH7343
 575         default "31250000" if CPU_SUBTYPE_SH7619
 576         default "32000000" if CPU_SUBTYPE_SH7722
 577         default "33333333" if CPU_SUBTYPE_SH7770 || \
 578                               CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
 579                               CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
 580                               CPU_SUBTYPE_SH7263
 581         default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
 582         default "66000000" if CPU_SUBTYPE_SH4_202
 583         default "50000000"
 584         help
 585           This option is used to specify the peripheral clock frequency.
 586           This is necessary for determining the reference clock value on
 587           platforms lacking an RTC.
 588
 589 config SH_CLK_MD
 590         int "CPU Mode Pin Setting"
 591         depends on CPU_SH2
 592         default 6 if CPU_SUBTYPE_SH7206
 593         default 5 if CPU_SUBTYPE_SH7619
 594         default 0
 595         help
 596           MD2 - MD0 pin setting.
 597
 598 source "kernel/time/Kconfig"
 599
 600 endmenu
 601
 602 menu "CPU Frequency scaling"
 603
 604 source "drivers/cpufreq/Kconfig"
 605
 606 config SH_CPU_FREQ
 607         tristate "SuperH CPU Frequency driver"
 608         depends on CPU_FREQ
 609         select CPU_FREQ_TABLE
 610         help
 611           This adds the cpufreq driver for SuperH. At present, only
 612           the SH-4 is supported.
 613
 614           For details, take a look at <file:Documentation/cpu-freq>.
 615
 616           If unsure, say N.
 617
 618 endmenu
 619
 620 source "arch/sh/drivers/Kconfig"
 621
 622 endmenu
 623
 624 config ISA_DMA_API
 625         def_bool y
 626         depends on SH_MPC1211
 627
 628 menu "Kernel features"
 629
 630 source kernel/Kconfig.hz
 631
 632 config KEXEC
 633         bool "kexec system call (EXPERIMENTAL)"
 634         depends on EXPERIMENTAL
 635         help
 636           kexec is a system call that implements the ability to shutdown your
 637           current kernel, and to start another kernel.  It is like a reboot
 638           but it is independent of the system firmware.  And like a reboot
 639           you can start any kernel with it, not just Linux.
 640
 641           The name comes from the similarity to the exec system call.
 642
 643           It is an ongoing process to be certain the hardware in a machine
 644           is properly shutdown, so do not be surprised if this code does not
 645           initially work for you.  It may help to enable device hotplugging
 646           support.  As of this writing the exact hardware interface is
 647           strongly in flux, so no good recommendation can be made.
 648
 649 config CRASH_DUMP
 650         bool "kernel crash dumps (EXPERIMENTAL)"
 651         depends on EXPERIMENTAL
 652         help
 653           Generate crash dump after being started by kexec.
 654           This should be normally only set in special crash dump kernels
 655           which are loaded in the main kernel with kexec-tools into
 656           a specially reserved region and then later executed after
 657           a crash by kdump/kexec. The crash dump kernel must be compiled
 658           to a memory address not used by the main kernel using
 659           MEMORY_START.
 660
 661           For more details see Documentation/kdump/kdump.txt
 662
 663 config SMP
 664         bool "Symmetric multi-processing support"
 665         depends on SYS_SUPPORTS_SMP
 666         ---help---
 667           This enables support for systems with more than one CPU. If you have
 668           a system with only one CPU, like most personal computers, say N. If
 669           you have a system with more than one CPU, say Y.
 670
 671           If you say N here, the kernel will run on single and multiprocessor
 672           machines, but will use only one CPU of a multiprocessor machine. If
 673           you say Y here, the kernel will run on many, but not all,
 674           singleprocessor machines. On a singleprocessor machine, the kernel
 675           will run faster if you say N here.
 676
 677           People using multiprocessor machines who say Y here should also say
 678           Y to "Enhanced Real Time Clock Support", below.
 679
 680           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
 681           available at <http://www.tldp.org/docs.html#howto>.
 682
 683           If you don't know what to do here, say N.
 684
 685 config NR_CPUS
 686         int "Maximum number of CPUs (2-32)"
 687         range 2 32
 688         depends on SMP
 689         default "4" if CPU_SHX3
 690         default "2"
 691         help
 692           This allows you to specify the maximum number of CPUs which this
 693           kernel will support.  The maximum supported value is 32 and the
 694           minimum value which makes sense is 2.
 695
 696           This is purely to save memory - each supported CPU adds
 697           approximately eight kilobytes to the kernel image.
 698
 699 source "kernel/Kconfig.preempt"
 700
 701 config GUSA
 702         def_bool y
 703         depends on !SMP && SUPERH32
 704         help
 705           This enables support for gUSA (general UserSpace Atomicity).
 706           This is the default implementation for both UP and non-ll/sc
 707           CPUs, and is used by the libc, amongst others.
 708
 709           For additional information, design information can be found
 710           in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
 711
 712           This should only be disabled for special cases where alternate
 713           atomicity implementations exist.
 714
 715 config GUSA_RB
 716         bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
 717         depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
 718         help
 719           Enabling this option will allow the kernel to implement some
 720           atomic operations using a software implemention of load-locked/
 721           store-conditional (LLSC). On machines which do not have hardware
 722           LLSC, this should be more efficient than the other alternative of
 723           disabling insterrupts around the atomic sequence.
 724
 725 endmenu
 726
 727 menu "Boot options"
 728
 729 config ZERO_PAGE_OFFSET
 730         hex "Zero page offset"
 731         default "0x00004000" if SH_MPC1211 || SH_SH03
 732         default "0x00010000" if PAGE_SIZE_64KB
 733         default "0x00002000" if PAGE_SIZE_8KB
 734         default "0x00001000"
 735         help
 736           This sets the default offset of zero page.
 737
 738 config BOOT_LINK_OFFSET
 739         hex "Link address offset for booting"
 740         default "0x00800000"
 741         help
 742           This option allows you to set the link address offset of the zImage.
 743           This can be useful if you are on a board which has a small amount of
 744           memory.
 745
 746 config UBC_WAKEUP
 747         bool "Wakeup UBC on startup"
 748         depends on CPU_SH4 && !CPU_SH4A
 749         help
 750           Selecting this option will wakeup the User Break Controller (UBC) on
 751           startup. Although the UBC is left in an awake state when the processor
 752           comes up, some boot loaders misbehave by putting the UBC to sleep in a
 753           power saving state, which causes issues with things like ptrace().
 754
 755           If unsure, say N.
 756
 757 config CMDLINE_BOOL
 758         bool "Default bootloader kernel arguments"
 759
 760 config CMDLINE
 761         string "Initial kernel command string"
 762         depends on CMDLINE_BOOL
 763         default "console=ttySC1,115200"
 764
 765 endmenu
 766
 767 menu "Bus options"
 768
 769 # Even on SuperH devices which don't have an ISA bus,
 770 # this variable helps the PCMCIA modules handle
 771 # IRQ requesting properly -- Greg Banks.
 772 #
 773 # Though we're generally not interested in it when
 774 # we're not using PCMCIA, so we make it dependent on
 775 # PCMCIA outright. -- PFM.
 776 config ISA
 777         def_bool y
 778         depends on PCMCIA && HD6446X_SERIES
 779         help
 780           Find out whether you have ISA slots on your motherboard.  ISA is the
 781           name of a bus system, i.e. the way the CPU talks to the other stuff
 782           inside your box.  Other bus systems are PCI, EISA, MicroChannel
 783           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 784           newer boards don't support it.  If you have ISA, say Y, otherwise N.
 785
 786 config EISA
 787         bool
 788         ---help---
 789           The Extended Industry Standard Architecture (EISA) bus was
 790           developed as an open alternative to the IBM MicroChannel bus.
 791
 792           The EISA bus provided some of the features of the IBM MicroChannel
 793           bus while maintaining backward compatibility with cards made for
 794           the older ISA bus.  The EISA bus saw limited use between 1988 and
 795           1995 when it was made obsolete by the PCI bus.
 796
 797           Say Y here if you are building a kernel for an EISA-based machine.
 798
 799           Otherwise, say N.
 800
 801 config MCA
 802         bool
 803         help
 804           MicroChannel Architecture is found in some IBM PS/2 machines and
 805           laptops.  It is a bus system similar to PCI or ISA. See
 806           <file:Documentation/mca.txt> (and especially the web page given
 807           there) before attempting to build an MCA bus kernel.
 808
 809 config SBUS
 810         bool
 811
 812 config SUPERHYWAY
 813         tristate "SuperHyway Bus support"
 814         depends on CPU_SUBTYPE_SH4_202
 815
 816 config MAPLE
 817        bool "Maple Bus support"
 818        depends on SH_DREAMCAST
 819        help
 820          The Maple Bus is SEGA's serial communication bus for peripherals
 821          on the Dreamcast. Without this bus support you won't be able to
 822          get your Dreamcast keyboard etc to work, so most users
 823          probably want to say 'Y' here, unless you are only using the
 824          Dreamcast with a serial line terminal or a remote network
 825          connection.
 826
 827 config CF_ENABLER
 828         bool "Compact Flash Enabler support"
 829         depends on SOLUTION_ENGINE || SH_SH03
 830         ---help---
 831           Compact Flash is a small, removable mass storage device introduced
 832           in 1994 originally as a PCMCIA device.  If you say `Y' here, you
 833           compile in support for Compact Flash devices directly connected to
 834           a SuperH processor.  A Compact Flash FAQ is available at
 835           <http://www.compactflash.org/faqs/faq.htm>.
 836
 837           If your board has "Directly Connected" CompactFlash at area 5 or 6,
 838           you may want to enable this option.  Then, you can use CF as
 839           primary IDE drive (only tested for SanDisk).
 840
 841           If in doubt, select 'N'.
 842
 843 choice
 844         prompt "Compact Flash Connection Area"
 845         depends on CF_ENABLER
 846         default CF_AREA6
 847
 848 config CF_AREA5
 849         bool "Area5"
 850         help
 851           If your board has "Directly Connected" CompactFlash, You should
 852           select the area where your CF is connected to.
 853
 854           - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
 855           - "Area6" if it is connected to Area 6 (0x18000000)
 856
 857           "Area6" will work for most boards.
 858
 859 config CF_AREA6
 860         bool "Area6"
 861
 862 endchoice
 863
 864 config CF_BASE_ADDR
 865         hex
 866         depends on CF_ENABLER
 867         default "0xb8000000" if CF_AREA6
 868         default "0xb4000000" if CF_AREA5
 869
 870 source "arch/sh/drivers/pci/Kconfig"
 871
 872 source "drivers/pci/Kconfig"
 873
 874 source "drivers/pcmcia/Kconfig"
 875
 876 source "drivers/pci/hotplug/Kconfig"
 877
 878 endmenu
 879
 880 menu "Executable file formats"
 881
 882 source "fs/Kconfig.binfmt"
 883
 884 endmenu
 885
 886 menu "Power management options (EXPERIMENTAL)"
 887 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
 888
 889 config ARCH_SUSPEND_POSSIBLE
 890         def_bool y
 891         depends on !SMP
 892
 893 source kernel/power/Kconfig
 894
 895 endmenu
 896
 897 source "net/Kconfig"
 898
 899 source "drivers/Kconfig"
 900
 901 source "fs/Kconfig"
 902
 903 source "arch/sh/Kconfig.debug"
 904
 905 source "security/Kconfig"
 906
 907 source "crypto/Kconfig"
 908
 909 source "lib/Kconfig"