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