1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5 6mainmenu "Linux/SuperH Kernel Configuration" 7 8config 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 20config SUPERH32 21 def_bool !SUPERH64 22 23config SUPERH64 24 def_bool y if CPU_SH5 25 26config RWSEM_GENERIC_SPINLOCK 27 def_bool y 28 29config RWSEM_XCHGADD_ALGORITHM 30 bool 31 32config GENERIC_BUG 33 def_bool y 34 depends on BUG && SUPERH32 35 36config GENERIC_FIND_NEXT_BIT 37 def_bool y 38 39config GENERIC_HWEIGHT 40 def_bool y 41 42config GENERIC_HARDIRQS 43 def_bool y 44 45config GENERIC_IRQ_PROBE 46 def_bool y 47 48config GENERIC_CALIBRATE_DELAY 49 def_bool y 50 51config GENERIC_IOMAP 52 bool 53 54config GENERIC_TIME 55 def_bool n 56 57config GENERIC_CLOCKEVENTS 58 def_bool n 59 60config SYS_SUPPORTS_PM 61 bool 62 63config SYS_SUPPORTS_APM_EMULATION 64 bool 65 select SYS_SUPPORTS_PM 66 67config SYS_SUPPORTS_SMP 68 bool 69 70config SYS_SUPPORTS_NUMA 71 bool 72 73config SYS_SUPPORTS_PCI 74 bool 75 76config STACKTRACE_SUPPORT 77 def_bool y 78 79config LOCKDEP_SUPPORT 80 def_bool y 81 82config ARCH_HAS_ILOG2_U32 83 def_bool n 84 85config ARCH_HAS_ILOG2_U64 86 def_bool n 87 88config ARCH_NO_VIRT_TO_BUS 89 def_bool y 90 91config ARCH_SUPPORTS_AOUT 92 def_bool y 93 94config IO_TRAPPED 95 bool 96 97source "init/Kconfig" 98 99menu "System type" 100 101# 102# Processor families 103# 104config CPU_SH2 105 bool 106 107config CPU_SH2A 108 bool 109 select CPU_SH2 110 111config CPU_SH3 112 bool 113 select CPU_HAS_INTEVT 114 select CPU_HAS_SR_RB 115 116config 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 123config CPU_SH4A 124 bool 125 select CPU_SH4 126 127config CPU_SH4AL_DSP 128 bool 129 select CPU_SH4A 130 select CPU_HAS_DSP 131 132config CPU_SH5 133 bool 134 select CPU_HAS_FPU 135 136config CPU_SHX2 137 bool 138 139config CPU_SHX3 140 bool 141 142choice 143 prompt "Processor sub-type selection" 144 145# 146# Processor subtypes 147# 148 149# SH-2 Processor Support 150 151config CPU_SUBTYPE_SH7619 152 bool "Support SH7619 processor" 153 select CPU_SH2 154 155# SH-2A Processor Support 156 157config CPU_SUBTYPE_SH7203 158 bool "Support SH7203 processor" 159 select CPU_SH2A 160 select CPU_HAS_FPU 161 162config CPU_SUBTYPE_SH7206 163 bool "Support SH7206 processor" 164 select CPU_SH2A 165 166config CPU_SUBTYPE_SH7263 167 bool "Support SH7263 processor" 168 select CPU_SH2A 169 select CPU_HAS_FPU 170 171config 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 179config CPU_SUBTYPE_SH7705 180 bool "Support SH7705 processor" 181 select CPU_SH3 182 183config 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 189config 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 195config 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 202config 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 208config 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 215config 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 222config 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 229config 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 238config 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 244config 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 251config CPU_SUBTYPE_SH7750R 252 bool "Support SH7750R processor" 253 select CPU_SH4 254 255config CPU_SUBTYPE_SH7750S 256 bool "Support SH7750S processor" 257 select CPU_SH4 258 259config 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 266config CPU_SUBTYPE_SH7751R 267 bool "Support SH7751R processor" 268 select CPU_SH4 269 270config CPU_SUBTYPE_SH7760 271 bool "Support SH7760 processor" 272 select CPU_SH4 273 274config CPU_SUBTYPE_SH4_202 275 bool "Support SH4-202 processor" 276 select CPU_SH4 277 278# SH-4A Processor Support 279 280config 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 288config 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 294config CPU_SUBTYPE_SH7770 295 bool "Support SH7770 processor" 296 select CPU_SH4A 297 298config CPU_SUBTYPE_SH7780 299 bool "Support SH7780 processor" 300 select CPU_SH4A 301 302config 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 309config 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 319config CPU_SUBTYPE_SH7343 320 bool "Support SH7343 processor" 321 select CPU_SH4AL_DSP 322 323config 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 330config 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 339config CPU_SUBTYPE_SH5_101 340 bool "Support SH5-101 processor" 341 select CPU_SH5 342 343config CPU_SUBTYPE_SH5_103 344 bool "Support SH5-103 processor" 345 select CPU_SH5 346 347endchoice 348 349source "arch/sh/mm/Kconfig" 350source "arch/sh/Kconfig.cpu" 351 352menu "Board support" 353 354config SOLUTION_ENGINE 355 bool 356 357config 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 368config 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 376config 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 384config 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 392config 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 400config 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 409config 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 418config 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 426config 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 433config 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 443config 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 451config 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 461config 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 471config 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 480config SH_RSK7203 481 bool "RSK7203" 482 depends on CPU_SUBTYPE_SH7203 483 484config 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 492config SH_HIGHLANDER 493 bool "Highlander" 494 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 495 select SYS_SUPPORTS_PCI 496 select IO_TRAPPED 497 498config SH_SH7785LCR 499 bool "SH7785LCR" 500 depends on CPU_SUBTYPE_SH7785 501 select SYS_SUPPORTS_PCI 502 select IO_TRAPPED 503 504config SH_SH7785LCR_29BIT_PHYSMAPS 505 bool "SH7785LCR 29bit physmaps" 506 depends on SH_SH7785LCR 507 default y 508 help 509 This board has 2 physical memory maps. It can be changed with 510 DIP switch(S2-5). If you set the DIP switch for S2-5 = ON, 511 you can access all on-board device in 29bit address mode. 512 513config SH_MIGOR 514 bool "Migo-R" 515 depends on CPU_SUBTYPE_SH7722 516 help 517 Select Migo-R if configuring for the SH7722 Migo-R platform 518 by Renesas System Solutions Asia Pte. Ltd. 519 520config SH_AP325RXA 521 bool "AP-325RXA" 522 depends on CPU_SUBTYPE_SH7723 523 help 524 Renesas "AP-325RXA" support. 525 Compatible with ALGO SYSTEM CO.,LTD. "AP-320A" 526 527config SH_SH7763RDP 528 bool "SH7763RDP" 529 depends on CPU_SUBTYPE_SH7763 530 help 531 Select SH7763RDP if configuring for a Renesas SH7763 532 evaluation board. 533 534config SH_EDOSK7705 535 bool "EDOSK7705" 536 depends on CPU_SUBTYPE_SH7705 537 538config SH_SH4202_MICRODEV 539 bool "SH4-202 MicroDev" 540 depends on CPU_SUBTYPE_SH4_202 541 help 542 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board 543 with an SH4-202 CPU. 544 545config SH_LANDISK 546 bool "LANDISK" 547 depends on CPU_SUBTYPE_SH7751R 548 select SYS_SUPPORTS_PCI 549 help 550 I-O DATA DEVICE, INC. "LANDISK Series" support. 551 552config SH_TITAN 553 bool "TITAN" 554 depends on CPU_SUBTYPE_SH7751R 555 select CPU_HAS_IPR_IRQ 556 select SYS_SUPPORTS_PCI 557 help 558 Select Titan if you are configuring for a Nimble Microsystems 559 NetEngine NP51R. 560 561config SH_SHMIN 562 bool "SHMIN" 563 depends on CPU_SUBTYPE_SH7706 564 select CPU_HAS_IPR_IRQ 565 help 566 Select SHMIN if configuring for the SHMIN board. 567 568config SH_LBOX_RE2 569 bool "L-BOX RE2" 570 depends on CPU_SUBTYPE_SH7751R 571 select SYS_SUPPORTS_PCI 572 help 573 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. 574 575config SH_X3PROTO 576 bool "SH-X3 Prototype board" 577 depends on CPU_SUBTYPE_SHX3 578 579config SH_MAGIC_PANEL_R2 580 bool "Magic Panel R2" 581 depends on CPU_SUBTYPE_SH7720 582 help 583 Select Magic Panel R2 if configuring for Magic Panel R2. 584 585config SH_CAYMAN 586 bool "Hitachi Cayman" 587 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103 588 select SYS_SUPPORTS_PCI 589 590endmenu 591 592source "arch/sh/boards/renesas/rts7751r2d/Kconfig" 593source "arch/sh/boards/renesas/r7780rp/Kconfig" 594source "arch/sh/boards/renesas/sdk7780/Kconfig" 595source "arch/sh/boards/magicpanelr2/Kconfig" 596 597menu "Timer and clock configuration" 598 599config SH_TMU 600 def_bool y 601 prompt "TMU timer support" 602 depends on CPU_SH3 || CPU_SH4 603 select GENERIC_TIME 604 select GENERIC_CLOCKEVENTS 605 help 606 This enables the use of the TMU as the system timer. 607 608config SH_CMT 609 def_bool y 610 prompt "CMT timer support" 611 depends on CPU_SH2 && !CPU_SUBTYPE_MXG 612 help 613 This enables the use of the CMT as the system timer. 614 615config SH_MTU2 616 def_bool n 617 prompt "MTU2 timer support" 618 depends on CPU_SH2A 619 help 620 This enables the use of the MTU2 as the system timer. 621 622config SH_TIMER_IRQ 623 int 624 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \ 625 CPU_SUBTYPE_SH7763 626 default "86" if CPU_SUBTYPE_SH7619 627 default "140" if CPU_SUBTYPE_SH7206 628 default "142" if CPU_SUBTYPE_SH7203 629 default "238" if CPU_SUBTYPE_MXG 630 default "16" 631 632config SH_PCLK_FREQ 633 int "Peripheral clock frequency (in Hz)" 634 default "27000000" if CPU_SUBTYPE_SH7343 635 default "31250000" if CPU_SUBTYPE_SH7619 636 default "32000000" if CPU_SUBTYPE_SH7722 637 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ 638 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ 639 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ 640 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG 641 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R 642 default "66000000" if CPU_SUBTYPE_SH4_202 643 default "50000000" 644 help 645 This option is used to specify the peripheral clock frequency. 646 This is necessary for determining the reference clock value on 647 platforms lacking an RTC. 648 649config SH_CLK_MD 650 int "CPU Mode Pin Setting" 651 depends on CPU_SH2 652 default 6 if CPU_SUBTYPE_SH7206 653 default 5 if CPU_SUBTYPE_SH7619 654 default 0 655 help 656 MD2 - MD0 pin setting. 657 658source "kernel/time/Kconfig" 659 660endmenu 661 662menu "CPU Frequency scaling" 663 664source "drivers/cpufreq/Kconfig" 665 666config SH_CPU_FREQ 667 tristate "SuperH CPU Frequency driver" 668 depends on CPU_FREQ 669 select CPU_FREQ_TABLE 670 help 671 This adds the cpufreq driver for SuperH. At present, only 672 the SH-4 is supported. 673 674 For details, take a look at <file:Documentation/cpu-freq>. 675 676 If unsure, say N. 677 678endmenu 679 680source "arch/sh/drivers/Kconfig" 681 682endmenu 683 684config ISA_DMA_API 685 bool 686 687menu "Kernel features" 688 689source kernel/Kconfig.hz 690 691config KEXEC 692 bool "kexec system call (EXPERIMENTAL)" 693 depends on SUPERH32 && EXPERIMENTAL 694 help 695 kexec is a system call that implements the ability to shutdown your 696 current kernel, and to start another kernel. It is like a reboot 697 but it is independent of the system firmware. And like a reboot 698 you can start any kernel with it, not just Linux. 699 700 The name comes from the similarity to the exec system call. 701 702 It is an ongoing process to be certain the hardware in a machine 703 is properly shutdown, so do not be surprised if this code does not 704 initially work for you. It may help to enable device hotplugging 705 support. As of this writing the exact hardware interface is 706 strongly in flux, so no good recommendation can be made. 707 708config CRASH_DUMP 709 bool "kernel crash dumps (EXPERIMENTAL)" 710 depends on SUPERH32 && EXPERIMENTAL 711 help 712 Generate crash dump after being started by kexec. 713 This should be normally only set in special crash dump kernels 714 which are loaded in the main kernel with kexec-tools into 715 a specially reserved region and then later executed after 716 a crash by kdump/kexec. The crash dump kernel must be compiled 717 to a memory address not used by the main kernel using 718 MEMORY_START. 719 720 For more details see Documentation/kdump/kdump.txt 721 722config SMP 723 bool "Symmetric multi-processing support" 724 depends on SYS_SUPPORTS_SMP 725 select USE_GENERIC_SMP_HELPERS 726 ---help--- 727 This enables support for systems with more than one CPU. If you have 728 a system with only one CPU, like most personal computers, say N. If 729 you have a system with more than one CPU, say Y. 730 731 If you say N here, the kernel will run on single and multiprocessor 732 machines, but will use only one CPU of a multiprocessor machine. If 733 you say Y here, the kernel will run on many, but not all, 734 singleprocessor machines. On a singleprocessor machine, the kernel 735 will run faster if you say N here. 736 737 People using multiprocessor machines who say Y here should also say 738 Y to "Enhanced Real Time Clock Support", below. 739 740 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 741 available at <http://www.tldp.org/docs.html#howto>. 742 743 If you don't know what to do here, say N. 744 745config NR_CPUS 746 int "Maximum number of CPUs (2-32)" 747 range 2 32 748 depends on SMP 749 default "4" if CPU_SHX3 750 default "2" 751 help 752 This allows you to specify the maximum number of CPUs which this 753 kernel will support. The maximum supported value is 32 and the 754 minimum value which makes sense is 2. 755 756 This is purely to save memory - each supported CPU adds 757 approximately eight kilobytes to the kernel image. 758 759source "kernel/Kconfig.preempt" 760 761config GUSA 762 def_bool y 763 depends on !SMP && SUPERH32 764 help 765 This enables support for gUSA (general UserSpace Atomicity). 766 This is the default implementation for both UP and non-ll/sc 767 CPUs, and is used by the libc, amongst others. 768 769 For additional information, design information can be found 770 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. 771 772 This should only be disabled for special cases where alternate 773 atomicity implementations exist. 774 775config GUSA_RB 776 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" 777 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) 778 help 779 Enabling this option will allow the kernel to implement some 780 atomic operations using a software implemention of load-locked/ 781 store-conditional (LLSC). On machines which do not have hardware 782 LLSC, this should be more efficient than the other alternative of 783 disabling insterrupts around the atomic sequence. 784 785endmenu 786 787menu "Boot options" 788 789config ZERO_PAGE_OFFSET 790 hex "Zero page offset" 791 default "0x00004000" if SH_SH03 792 default "0x00010000" if PAGE_SIZE_64KB 793 default "0x00002000" if PAGE_SIZE_8KB 794 default "0x00001000" 795 help 796 This sets the default offset of zero page. 797 798config BOOT_LINK_OFFSET 799 hex "Link address offset for booting" 800 default "0x00800000" 801 help 802 This option allows you to set the link address offset of the zImage. 803 This can be useful if you are on a board which has a small amount of 804 memory. 805 806config UBC_WAKEUP 807 bool "Wakeup UBC on startup" 808 depends on CPU_SH4 && !CPU_SH4A 809 help 810 Selecting this option will wakeup the User Break Controller (UBC) on 811 startup. Although the UBC is left in an awake state when the processor 812 comes up, some boot loaders misbehave by putting the UBC to sleep in a 813 power saving state, which causes issues with things like ptrace(). 814 815 If unsure, say N. 816 817config CMDLINE_BOOL 818 bool "Default bootloader kernel arguments" 819 820config CMDLINE 821 string "Initial kernel command string" 822 depends on CMDLINE_BOOL 823 default "console=ttySC1,115200" 824 825endmenu 826 827menu "Bus options" 828 829# Even on SuperH devices which don't have an ISA bus, 830# this variable helps the PCMCIA modules handle 831# IRQ requesting properly -- Greg Banks. 832# 833# Though we're generally not interested in it when 834# we're not using PCMCIA, so we make it dependent on 835# PCMCIA outright. -- PFM. 836config ISA 837 def_bool y 838 depends on PCMCIA && HD6446X_SERIES 839 help 840 Find out whether you have ISA slots on your motherboard. ISA is the 841 name of a bus system, i.e. the way the CPU talks to the other stuff 842 inside your box. Other bus systems are PCI, EISA, MicroChannel 843 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 844 newer boards don't support it. If you have ISA, say Y, otherwise N. 845 846config EISA 847 bool 848 ---help--- 849 The Extended Industry Standard Architecture (EISA) bus was 850 developed as an open alternative to the IBM MicroChannel bus. 851 852 The EISA bus provided some of the features of the IBM MicroChannel 853 bus while maintaining backward compatibility with cards made for 854 the older ISA bus. The EISA bus saw limited use between 1988 and 855 1995 when it was made obsolete by the PCI bus. 856 857 Say Y here if you are building a kernel for an EISA-based machine. 858 859 Otherwise, say N. 860 861config MCA 862 bool 863 help 864 MicroChannel Architecture is found in some IBM PS/2 machines and 865 laptops. It is a bus system similar to PCI or ISA. See 866 <file:Documentation/mca.txt> (and especially the web page given 867 there) before attempting to build an MCA bus kernel. 868 869config SBUS 870 bool 871 872config SUPERHYWAY 873 tristate "SuperHyway Bus support" 874 depends on CPU_SUBTYPE_SH4_202 875 876config MAPLE 877 bool "Maple Bus support" 878 depends on SH_DREAMCAST 879 help 880 The Maple Bus is SEGA's serial communication bus for peripherals 881 on the Dreamcast. Without this bus support you won't be able to 882 get your Dreamcast keyboard etc to work, so most users 883 probably want to say 'Y' here, unless you are only using the 884 Dreamcast with a serial line terminal or a remote network 885 connection. 886 887config CF_ENABLER 888 bool "Compact Flash Enabler support" 889 depends on SOLUTION_ENGINE || SH_SH03 890 ---help--- 891 Compact Flash is a small, removable mass storage device introduced 892 in 1994 originally as a PCMCIA device. If you say `Y' here, you 893 compile in support for Compact Flash devices directly connected to 894 a SuperH processor. A Compact Flash FAQ is available at 895 <http://www.compactflash.org/faqs/faq.htm>. 896 897 If your board has "Directly Connected" CompactFlash at area 5 or 6, 898 you may want to enable this option. Then, you can use CF as 899 primary IDE drive (only tested for SanDisk). 900 901 If in doubt, select 'N'. 902 903choice 904 prompt "Compact Flash Connection Area" 905 depends on CF_ENABLER 906 default CF_AREA6 907 908config CF_AREA5 909 bool "Area5" 910 help 911 If your board has "Directly Connected" CompactFlash, You should 912 select the area where your CF is connected to. 913 914 - "Area5" if CompactFlash is connected to Area 5 (0x14000000) 915 - "Area6" if it is connected to Area 6 (0x18000000) 916 917 "Area6" will work for most boards. 918 919config CF_AREA6 920 bool "Area6" 921 922endchoice 923 924config CF_BASE_ADDR 925 hex 926 depends on CF_ENABLER 927 default "0xb8000000" if CF_AREA6 928 default "0xb4000000" if CF_AREA5 929 930source "arch/sh/drivers/pci/Kconfig" 931 932source "drivers/pci/Kconfig" 933 934source "drivers/pcmcia/Kconfig" 935 936source "drivers/pci/hotplug/Kconfig" 937 938endmenu 939 940menu "Executable file formats" 941 942source "fs/Kconfig.binfmt" 943 944endmenu 945 946menu "Power management options (EXPERIMENTAL)" 947depends on EXPERIMENTAL && SYS_SUPPORTS_PM 948 949config ARCH_SUSPEND_POSSIBLE 950 def_bool y 951 depends on !SMP 952 953source kernel/power/Kconfig 954 955endmenu 956 957source "net/Kconfig" 958 959source "drivers/Kconfig" 960 961source "fs/Kconfig" 962 963source "arch/sh/Kconfig.debug" 964 965source "security/Kconfig" 966 967source "crypto/Kconfig" 968 969source "lib/Kconfig" 970