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_MIGOR 499 bool "Migo-R" 500 depends on CPU_SUBTYPE_SH7722 501 help 502 Select Migo-R if configuring for the SH7722 Migo-R platform 503 by Renesas System Solutions Asia Pte. Ltd. 504 505config SH_AP325RXA 506 bool "AP-325RXA" 507 depends on CPU_SUBTYPE_SH7723 508 help 509 Renesas "AP-325RXA" support. 510 Compatible with ALGO SYSTEM CO.,LTD. "AP-320A" 511 512config SH_SH7763RDP 513 bool "SH7763RDP" 514 depends on CPU_SUBTYPE_SH7763 515 help 516 Select SH7763RDP if configuring for a Renesas SH7763 517 evaluation board. 518 519config SH_EDOSK7705 520 bool "EDOSK7705" 521 depends on CPU_SUBTYPE_SH7705 522 523config SH_SH4202_MICRODEV 524 bool "SH4-202 MicroDev" 525 depends on CPU_SUBTYPE_SH4_202 526 help 527 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board 528 with an SH4-202 CPU. 529 530config SH_LANDISK 531 bool "LANDISK" 532 depends on CPU_SUBTYPE_SH7751R 533 select SYS_SUPPORTS_PCI 534 help 535 I-O DATA DEVICE, INC. "LANDISK Series" support. 536 537config SH_TITAN 538 bool "TITAN" 539 depends on CPU_SUBTYPE_SH7751R 540 select CPU_HAS_IPR_IRQ 541 select SYS_SUPPORTS_PCI 542 help 543 Select Titan if you are configuring for a Nimble Microsystems 544 NetEngine NP51R. 545 546config SH_SHMIN 547 bool "SHMIN" 548 depends on CPU_SUBTYPE_SH7706 549 select CPU_HAS_IPR_IRQ 550 help 551 Select SHMIN if configuring for the SHMIN board. 552 553config SH_LBOX_RE2 554 bool "L-BOX RE2" 555 depends on CPU_SUBTYPE_SH7751R 556 select SYS_SUPPORTS_PCI 557 help 558 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. 559 560config SH_X3PROTO 561 bool "SH-X3 Prototype board" 562 depends on CPU_SUBTYPE_SHX3 563 564config SH_MAGIC_PANEL_R2 565 bool "Magic Panel R2" 566 depends on CPU_SUBTYPE_SH7720 567 help 568 Select Magic Panel R2 if configuring for Magic Panel R2. 569 570config SH_CAYMAN 571 bool "Hitachi Cayman" 572 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103 573 select SYS_SUPPORTS_PCI 574 575endmenu 576 577source "arch/sh/boards/renesas/rts7751r2d/Kconfig" 578source "arch/sh/boards/renesas/r7780rp/Kconfig" 579source "arch/sh/boards/renesas/sdk7780/Kconfig" 580source "arch/sh/boards/magicpanelr2/Kconfig" 581 582menu "Timer and clock configuration" 583 584config SH_TMU 585 def_bool y 586 prompt "TMU timer support" 587 depends on CPU_SH3 || CPU_SH4 588 select GENERIC_TIME 589 select GENERIC_CLOCKEVENTS 590 help 591 This enables the use of the TMU as the system timer. 592 593config SH_CMT 594 def_bool y 595 prompt "CMT timer support" 596 depends on CPU_SH2 && !CPU_SUBTYPE_MXG 597 help 598 This enables the use of the CMT as the system timer. 599 600config SH_MTU2 601 def_bool n 602 prompt "MTU2 timer support" 603 depends on CPU_SH2A 604 help 605 This enables the use of the MTU2 as the system timer. 606 607config SH_TIMER_IRQ 608 int 609 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \ 610 CPU_SUBTYPE_SH7763 611 default "86" if CPU_SUBTYPE_SH7619 612 default "140" if CPU_SUBTYPE_SH7206 613 default "142" if CPU_SUBTYPE_SH7203 614 default "238" if CPU_SUBTYPE_MXG 615 default "16" 616 617config SH_PCLK_FREQ 618 int "Peripheral clock frequency (in Hz)" 619 default "27000000" if CPU_SUBTYPE_SH7343 620 default "31250000" if CPU_SUBTYPE_SH7619 621 default "32000000" if CPU_SUBTYPE_SH7722 622 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ 623 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ 624 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ 625 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG 626 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R 627 default "66000000" if CPU_SUBTYPE_SH4_202 628 default "50000000" 629 help 630 This option is used to specify the peripheral clock frequency. 631 This is necessary for determining the reference clock value on 632 platforms lacking an RTC. 633 634config SH_CLK_MD 635 int "CPU Mode Pin Setting" 636 depends on CPU_SH2 637 default 6 if CPU_SUBTYPE_SH7206 638 default 5 if CPU_SUBTYPE_SH7619 639 default 0 640 help 641 MD2 - MD0 pin setting. 642 643source "kernel/time/Kconfig" 644 645endmenu 646 647menu "CPU Frequency scaling" 648 649source "drivers/cpufreq/Kconfig" 650 651config SH_CPU_FREQ 652 tristate "SuperH CPU Frequency driver" 653 depends on CPU_FREQ 654 select CPU_FREQ_TABLE 655 help 656 This adds the cpufreq driver for SuperH. At present, only 657 the SH-4 is supported. 658 659 For details, take a look at <file:Documentation/cpu-freq>. 660 661 If unsure, say N. 662 663endmenu 664 665source "arch/sh/drivers/Kconfig" 666 667endmenu 668 669config ISA_DMA_API 670 bool 671 672menu "Kernel features" 673 674source kernel/Kconfig.hz 675 676config KEXEC 677 bool "kexec system call (EXPERIMENTAL)" 678 depends on SUPERH32 && EXPERIMENTAL 679 help 680 kexec is a system call that implements the ability to shutdown your 681 current kernel, and to start another kernel. It is like a reboot 682 but it is independent of the system firmware. And like a reboot 683 you can start any kernel with it, not just Linux. 684 685 The name comes from the similarity to the exec system call. 686 687 It is an ongoing process to be certain the hardware in a machine 688 is properly shutdown, so do not be surprised if this code does not 689 initially work for you. It may help to enable device hotplugging 690 support. As of this writing the exact hardware interface is 691 strongly in flux, so no good recommendation can be made. 692 693config CRASH_DUMP 694 bool "kernel crash dumps (EXPERIMENTAL)" 695 depends on SUPERH32 && EXPERIMENTAL 696 help 697 Generate crash dump after being started by kexec. 698 This should be normally only set in special crash dump kernels 699 which are loaded in the main kernel with kexec-tools into 700 a specially reserved region and then later executed after 701 a crash by kdump/kexec. The crash dump kernel must be compiled 702 to a memory address not used by the main kernel using 703 MEMORY_START. 704 705 For more details see Documentation/kdump/kdump.txt 706 707config SMP 708 bool "Symmetric multi-processing support" 709 depends on SYS_SUPPORTS_SMP 710 select USE_GENERIC_SMP_HELPERS 711 ---help--- 712 This enables support for systems with more than one CPU. If you have 713 a system with only one CPU, like most personal computers, say N. If 714 you have a system with more than one CPU, say Y. 715 716 If you say N here, the kernel will run on single and multiprocessor 717 machines, but will use only one CPU of a multiprocessor machine. If 718 you say Y here, the kernel will run on many, but not all, 719 singleprocessor machines. On a singleprocessor machine, the kernel 720 will run faster if you say N here. 721 722 People using multiprocessor machines who say Y here should also say 723 Y to "Enhanced Real Time Clock Support", below. 724 725 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 726 available at <http://www.tldp.org/docs.html#howto>. 727 728 If you don't know what to do here, say N. 729 730config NR_CPUS 731 int "Maximum number of CPUs (2-32)" 732 range 2 32 733 depends on SMP 734 default "4" if CPU_SHX3 735 default "2" 736 help 737 This allows you to specify the maximum number of CPUs which this 738 kernel will support. The maximum supported value is 32 and the 739 minimum value which makes sense is 2. 740 741 This is purely to save memory - each supported CPU adds 742 approximately eight kilobytes to the kernel image. 743 744source "kernel/Kconfig.preempt" 745 746config GUSA 747 def_bool y 748 depends on !SMP && SUPERH32 749 help 750 This enables support for gUSA (general UserSpace Atomicity). 751 This is the default implementation for both UP and non-ll/sc 752 CPUs, and is used by the libc, amongst others. 753 754 For additional information, design information can be found 755 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. 756 757 This should only be disabled for special cases where alternate 758 atomicity implementations exist. 759 760config GUSA_RB 761 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" 762 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) 763 help 764 Enabling this option will allow the kernel to implement some 765 atomic operations using a software implemention of load-locked/ 766 store-conditional (LLSC). On machines which do not have hardware 767 LLSC, this should be more efficient than the other alternative of 768 disabling insterrupts around the atomic sequence. 769 770endmenu 771 772menu "Boot options" 773 774config ZERO_PAGE_OFFSET 775 hex "Zero page offset" 776 default "0x00004000" if SH_SH03 777 default "0x00010000" if PAGE_SIZE_64KB 778 default "0x00002000" if PAGE_SIZE_8KB 779 default "0x00001000" 780 help 781 This sets the default offset of zero page. 782 783config BOOT_LINK_OFFSET 784 hex "Link address offset for booting" 785 default "0x00800000" 786 help 787 This option allows you to set the link address offset of the zImage. 788 This can be useful if you are on a board which has a small amount of 789 memory. 790 791config UBC_WAKEUP 792 bool "Wakeup UBC on startup" 793 depends on CPU_SH4 && !CPU_SH4A 794 help 795 Selecting this option will wakeup the User Break Controller (UBC) on 796 startup. Although the UBC is left in an awake state when the processor 797 comes up, some boot loaders misbehave by putting the UBC to sleep in a 798 power saving state, which causes issues with things like ptrace(). 799 800 If unsure, say N. 801 802config CMDLINE_BOOL 803 bool "Default bootloader kernel arguments" 804 805config CMDLINE 806 string "Initial kernel command string" 807 depends on CMDLINE_BOOL 808 default "console=ttySC1,115200" 809 810endmenu 811 812menu "Bus options" 813 814# Even on SuperH devices which don't have an ISA bus, 815# this variable helps the PCMCIA modules handle 816# IRQ requesting properly -- Greg Banks. 817# 818# Though we're generally not interested in it when 819# we're not using PCMCIA, so we make it dependent on 820# PCMCIA outright. -- PFM. 821config ISA 822 def_bool y 823 depends on PCMCIA && HD6446X_SERIES 824 help 825 Find out whether you have ISA slots on your motherboard. ISA is the 826 name of a bus system, i.e. the way the CPU talks to the other stuff 827 inside your box. Other bus systems are PCI, EISA, MicroChannel 828 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 829 newer boards don't support it. If you have ISA, say Y, otherwise N. 830 831config EISA 832 bool 833 ---help--- 834 The Extended Industry Standard Architecture (EISA) bus was 835 developed as an open alternative to the IBM MicroChannel bus. 836 837 The EISA bus provided some of the features of the IBM MicroChannel 838 bus while maintaining backward compatibility with cards made for 839 the older ISA bus. The EISA bus saw limited use between 1988 and 840 1995 when it was made obsolete by the PCI bus. 841 842 Say Y here if you are building a kernel for an EISA-based machine. 843 844 Otherwise, say N. 845 846config MCA 847 bool 848 help 849 MicroChannel Architecture is found in some IBM PS/2 machines and 850 laptops. It is a bus system similar to PCI or ISA. See 851 <file:Documentation/mca.txt> (and especially the web page given 852 there) before attempting to build an MCA bus kernel. 853 854config SBUS 855 bool 856 857config SUPERHYWAY 858 tristate "SuperHyway Bus support" 859 depends on CPU_SUBTYPE_SH4_202 860 861config MAPLE 862 bool "Maple Bus support" 863 depends on SH_DREAMCAST 864 help 865 The Maple Bus is SEGA's serial communication bus for peripherals 866 on the Dreamcast. Without this bus support you won't be able to 867 get your Dreamcast keyboard etc to work, so most users 868 probably want to say 'Y' here, unless you are only using the 869 Dreamcast with a serial line terminal or a remote network 870 connection. 871 872config CF_ENABLER 873 bool "Compact Flash Enabler support" 874 depends on SOLUTION_ENGINE || SH_SH03 875 ---help--- 876 Compact Flash is a small, removable mass storage device introduced 877 in 1994 originally as a PCMCIA device. If you say `Y' here, you 878 compile in support for Compact Flash devices directly connected to 879 a SuperH processor. A Compact Flash FAQ is available at 880 <http://www.compactflash.org/faqs/faq.htm>. 881 882 If your board has "Directly Connected" CompactFlash at area 5 or 6, 883 you may want to enable this option. Then, you can use CF as 884 primary IDE drive (only tested for SanDisk). 885 886 If in doubt, select 'N'. 887 888choice 889 prompt "Compact Flash Connection Area" 890 depends on CF_ENABLER 891 default CF_AREA6 892 893config CF_AREA5 894 bool "Area5" 895 help 896 If your board has "Directly Connected" CompactFlash, You should 897 select the area where your CF is connected to. 898 899 - "Area5" if CompactFlash is connected to Area 5 (0x14000000) 900 - "Area6" if it is connected to Area 6 (0x18000000) 901 902 "Area6" will work for most boards. 903 904config CF_AREA6 905 bool "Area6" 906 907endchoice 908 909config CF_BASE_ADDR 910 hex 911 depends on CF_ENABLER 912 default "0xb8000000" if CF_AREA6 913 default "0xb4000000" if CF_AREA5 914 915source "arch/sh/drivers/pci/Kconfig" 916 917source "drivers/pci/Kconfig" 918 919source "drivers/pcmcia/Kconfig" 920 921source "drivers/pci/hotplug/Kconfig" 922 923endmenu 924 925menu "Executable file formats" 926 927source "fs/Kconfig.binfmt" 928 929endmenu 930 931menu "Power management options (EXPERIMENTAL)" 932depends on EXPERIMENTAL && SYS_SUPPORTS_PM 933 934config ARCH_SUSPEND_POSSIBLE 935 def_bool y 936 depends on !SMP 937 938source kernel/power/Kconfig 939 940endmenu 941 942source "net/Kconfig" 943 944source "drivers/Kconfig" 945 946source "fs/Kconfig" 947 948source "arch/sh/Kconfig.debug" 949 950source "security/Kconfig" 951 952source "crypto/Kconfig" 953 954source "lib/Kconfig" 955