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 bool 10 default y 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 17config UID16 18 bool 19 default y 20 21config RWSEM_GENERIC_SPINLOCK 22 bool 23 default y 24 25config RWSEM_XCHGADD_ALGORITHM 26 bool 27 28config GENERIC_HARDIRQS 29 bool 30 default y 31 32config GENERIC_IRQ_PROBE 33 bool 34 default y 35 36config GENERIC_CALIBRATE_DELAY 37 bool 38 default y 39 40config ARCH_MAY_HAVE_PC_FDC 41 bool 42 default y 43 44source "init/Kconfig" 45 46menu "System type" 47 48choice 49 prompt "SuperH system type" 50 default SH_UNKNOWN 51 52config SH_SOLUTION_ENGINE 53 bool "SolutionEngine" 54 help 55 Select SolutionEngine if configuring for a Hitachi SH7709 56 or SH7750 evaluation board. 57 58config SH_7751_SOLUTION_ENGINE 59 bool "SolutionEngine7751" 60 help 61 Select 7751 SolutionEngine if configuring for a Hitachi SH7751 62 evaluation board. 63 64config SH_7300_SOLUTION_ENGINE 65 bool "SolutionEngine7300" 66 help 67 Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V) 68 evaluation board. 69 70config SH_73180_SOLUTION_ENGINE 71 bool "SolutionEngine73180" 72 help 73 Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3) 74 evaluation board. 75 76config SH_7751_SYSTEMH 77 bool "SystemH7751R" 78 help 79 Select SystemH if you are configuring for a Renesas SystemH 80 7751R evaluation board. 81 82config SH_STB1_HARP 83 bool "STB1_Harp" 84 85config SH_STB1_OVERDRIVE 86 bool "STB1_Overdrive" 87 88config SH_HP620 89 bool "HP620" 90 help 91 Select HP620 if configuring for a HP jornada HP620. 92 More information (hardware only) at 93 <http://www.hp.com/jornada/>. 94 95config SH_HP680 96 bool "HP680" 97 help 98 Select HP680 if configuring for a HP Jornada HP680. 99 More information (hardware only) at 100 <http://www.hp.com/jornada/products/680/>. 101 102config SH_HP690 103 bool "HP690" 104 help 105 Select HP690 if configuring for a HP Jornada HP690. 106 More information (hardware only) 107 at <http://www.hp.com/jornada/products/680/>. 108 109config SH_CQREEK 110 bool "CqREEK" 111 help 112 Select CqREEK if configuring for a CqREEK SH7708 or SH7750. 113 More information at 114 <http://sources.redhat.com/ecos/hardware.html#SuperH>. 115 116config SH_DMIDA 117 bool "DMIDA" 118 help 119 Select DMIDA if configuring for a DataMyte 4000 Industrial 120 Digital Assistant. More information at <http://www.dmida.com/>. 121 122config SH_EC3104 123 bool "EC3104" 124 help 125 Select EC3104 if configuring for a system with an Eclipse 126 International EC3104 chip, e.g. the Harris AD2000. 127 128config SH_SATURN 129 bool "Saturn" 130 help 131 Select Saturn if configuring for a SEGA Saturn. 132 133config SH_DREAMCAST 134 bool "Dreamcast" 135 help 136 Select Dreamcast if configuring for a SEGA Dreamcast. 137 More information at 138 <http://www.m17n.org/linux-sh/dreamcast/>. There is a 139 Dreamcast project is at <http://linuxdc.sourceforge.net/>. 140 141config SH_CAT68701 142 bool "CAT68701" 143 144config SH_BIGSUR 145 bool "BigSur" 146 147config SH_SH2000 148 bool "SH2000" 149 help 150 SH-2000 is a single-board computer based around SH7709A chip 151 intended for embedded applications. 152 It has an Ethernet interface (CS8900A), direct connected 153 Compact Flash socket, three serial ports and PC-104 bus. 154 More information at <http://sh2000.sh-linux.org>. 155 156config SH_ADX 157 bool "ADX" 158 159config SH_MPC1211 160 bool "MPC1211" 161 162config SH_SH03 163 bool "SH03" 164 help 165 CTP/PCI-SH03 is a CPU module computer that produced 166 by Interface Corporation. 167 It is compact and excellent in durability. 168 It will play an active part in your factory or laboratory 169 as a FA computer. 170 More information at <http://www.interface.co.jp> 171 172config SH_SECUREEDGE5410 173 bool "SecureEdge5410" 174 help 175 Select SecureEdge5410 if configuring for a SnapGear SH board. 176 This includes both the OEM SecureEdge products as well as the 177 SME product line. 178 179config SH_HS7751RVOIP 180 bool "HS7751RVOIP" 181 help 182 Select HS7751RVOIP if configuring for a Renesas Technology 183 Sales VoIP board. 184 185config SH_RTS7751R2D 186 bool "RTS7751R2D" 187 help 188 Select RTS7751R2D if configuring for a Renesas Technology 189 Sales SH-Graphics board. 190 191config SH_EDOSK7705 192 bool "EDOSK7705" 193 194config SH_SH4202_MICRODEV 195 bool "SH4-202 MicroDev" 196 help 197 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board 198 with an SH4-202 CPU. 199 200config SH_UNKNOWN 201 bool "BareCPU" 202 help 203 "Bare CPU" aka "unknown" means an SH-based system which is not one 204 of the specific ones mentioned above, which means you need to enter 205 all sorts of stuff like CONFIG_MEMORY_START because the config 206 system doesn't already know what it is. You get a machine vector 207 without any platform-specific code in it, so things like the RTC may 208 not work. 209 210 This option is for the early stages of porting to a new machine. 211 212endchoice 213 214choice 215 prompt "Processor family" 216 default CPU_SH4 217 help 218 This option determines the CPU family to compile for. Supported 219 targets are SH-2, SH-3, and SH-4. These options are independent of 220 CPU functionality. As such, SH-DSP users will still want to select 221 their respective processor family in addition to the DSP support 222 option. 223 224config CPU_SH2 225 bool "SH-2" 226 select SH_WRITETHROUGH 227 228config CPU_SH3 229 bool "SH-3" 230 231config CPU_SH4 232 bool "SH-4" 233 234endchoice 235 236choice 237 prompt "Processor subtype" 238 239config CPU_SUBTYPE_SH7604 240 bool "SH7604" 241 depends on CPU_SH2 242 help 243 Select SH7604 if you have SH7604 244 245config CPU_SUBTYPE_SH7300 246 bool "SH7300" 247 depends on CPU_SH3 248 249config CPU_SUBTYPE_SH7705 250 bool "SH7705" 251 depends on CPU_SH3 252 253config CPU_SUBTYPE_SH7707 254 bool "SH7707" 255 depends on CPU_SH3 256 help 257 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. 258 259config CPU_SUBTYPE_SH7708 260 bool "SH7708" 261 depends on CPU_SH3 262 help 263 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or 264 if you have a 100 Mhz SH-3 HD6417708R CPU. 265 266config CPU_SUBTYPE_SH7709 267 bool "SH7709" 268 depends on CPU_SH3 269 help 270 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. 271 272config CPU_SUBTYPE_SH7750 273 bool "SH7750" 274 depends on CPU_SH4 275 help 276 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. 277 278config CPU_SUBTYPE_SH7751 279 bool "SH7751/SH7751R" 280 depends on CPU_SH4 281 help 282 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, 283 or if you have a HD6417751R CPU. 284 285config CPU_SUBTYPE_SH7760 286 bool "SH7760" 287 depends on CPU_SH4 288 289config CPU_SUBTYPE_SH73180 290 bool "SH73180" 291 depends on CPU_SH4 292 293config CPU_SUBTYPE_ST40STB1 294 bool "ST40STB1 / ST40RA" 295 depends on CPU_SH4 296 help 297 Select ST40STB1 if you have a ST40RA CPU. 298 This was previously called the ST40STB1, hence the option name. 299 300config CPU_SUBTYPE_ST40GX1 301 bool "ST40GX1" 302 depends on CPU_SH4 303 help 304 Select ST40GX1 if you have a ST40GX1 CPU. 305 306config CPU_SUBTYPE_SH4_202 307 bool "SH4-202" 308 depends on CPU_SH4 309 310endchoice 311 312config SH7705_CACHE_32KB 313 bool "Enable 32KB cache size for SH7705" 314 depends on CPU_SUBTYPE_SH7705 315 default y 316 317config MMU 318 bool "Support for memory management hardware" 319 depends on !CPU_SH2 320 default y 321 help 322 Early SH processors (such as the SH7604) lack an MMU. In order to 323 boot on these systems, this option must not be set. 324 325 On other systems (such as the SH-3 and 4) where an MMU exists, 326 turning this off will boot the kernel on these machines with the 327 MMU implicitly switched off. 328 329choice 330 prompt "HugeTLB page size" 331 depends on HUGETLB_PAGE && CPU_SH4 && MMU 332 default HUGETLB_PAGE_SIZE_64K 333 334config HUGETLB_PAGE_SIZE_64K 335 bool "64K" 336 337config HUGETLB_PAGE_SIZE_1MB 338 bool "1MB" 339 340endchoice 341 342config CMDLINE_BOOL 343 bool "Default bootloader kernel arguments" 344 345config CMDLINE 346 string "Initial kernel command string" 347 depends on CMDLINE_BOOL 348 default "console=ttySC1,115200" 349 350# Platform-specific memory start and size definitions 351config MEMORY_START 352 hex "Physical memory start address" if !MEMORY_SET || MEMORY_OVERRIDE 353 default "0x08000000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || SH_MPC1211 || SH_SH03 || SH_SECUREEDGE5410 || SH_SH4202_MICRODEV 354 default "0x0c000000" if !MEMORY_OVERRIDE && (SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_73180_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_EDOSK7705) 355 ---help--- 356 Computers built with Hitachi SuperH processors always 357 map the ROM starting at address zero. But the processor 358 does not specify the range that RAM takes. 359 360 The physical memory (RAM) start address will be automatically 361 set to 08000000, unless you selected one of the following 362 processor types: SolutionEngine, Overdrive, HP620, HP680, HP690, 363 in which case the start address will be set to 0c000000. 364 365 Tweak this only when porting to a new machine which is not already 366 known by the config system. Changing it from the known correct 367 value on any of the known systems will only lead to disaster. 368 369config MEMORY_SIZE 370 hex "Physical memory size" if !MEMORY_SET || MEMORY_OVERRIDE 371 default "0x00400000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || !MEMORY_OVERRIDE && (SH_HP600 || SH_BIGSUR || SH_SH2000) 372 default "0x01000000" if !MEMORY_OVERRIDE && SH_DREAMCAST || SH_SECUREEDGE5410 || SH_EDOSK7705 373 default "0x02000000" if !MEMORY_OVERRIDE && (SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE) 374 default "0x04000000" if !MEMORY_OVERRIDE && (SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV) 375 default "0x08000000" if SH_MPC1211 || SH_SH03 376 help 377 This sets the default memory size assumed by your SH kernel. It can 378 be overridden as normal by the 'mem=' argument on the kernel command 379 line. If unsure, consult your board specifications or just leave it 380 as 0x00400000 which was the default value before this became 381 configurable. 382 383config MEMORY_SET 384 bool 385 depends on !MEMORY_OVERRIDE && (SH_MPC1211 || SH_SH03 || SH_ADX || SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_SECUREEDGE5410 || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_EDOSK7705) 386 default y 387 help 388 This is an option about which you will never be asked a question. 389 Therefore, I conclude that you do not exist - go away. 390 391 There is a grue here. 392 393# If none of the above have set memory start/size, ask the user. 394config MEMORY_OVERRIDE 395 bool "Override default load address and memory size" 396 397# XXX: break these out into the board-specific configs below 398config CF_ENABLER 399 bool "Compact Flash Enabler support" 400 depends on SH_ADX || SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_CAT68701 || SH_SH03 401 ---help--- 402 Compact Flash is a small, removable mass storage device introduced 403 in 1994 originally as a PCMCIA device. If you say `Y' here, you 404 compile in support for Compact Flash devices directly connected to 405 a SuperH processor. A Compact Flash FAQ is available at 406 <http://www.compactflash.org/faqs/faq.htm>. 407 408 If your board has "Directly Connected" CompactFlash at area 5 or 6, 409 you may want to enable this option. Then, you can use CF as 410 primary IDE drive (only tested for SanDisk). 411 412 If in doubt, select 'N'. 413 414choice 415 prompt "Compact Flash Connection Area" 416 depends on CF_ENABLER 417 default CF_AREA6 418 419config CF_AREA5 420 bool "Area5" 421 help 422 If your board has "Directly Connected" CompactFlash, You should 423 select the area where your CF is connected to. 424 425 - "Area5" if CompactFlash is connected to Area 5 (0x14000000) 426 - "Area6" if it is connected to Area 6 (0x18000000) 427 428 "Area6" will work for most boards. For ADX, select "Area5". 429 430config CF_AREA6 431 bool "Area6" 432 433endchoice 434 435config CF_BASE_ADDR 436 hex 437 depends on CF_ENABLER 438 default "0xb8000000" if CF_AREA6 439 default "0xb4000000" if CF_AREA5 440 441# The SH7750 RTC module is disabled in the Dreamcast 442config SH_RTC 443 bool 444 depends on !SH_DREAMCAST && !SH_SATURN && !SH_7300_SOLUTION_ENGINE && !SH_73180_SOLUTION_ENGINE 445 default y 446 help 447 Selecting this option will allow the Linux kernel to emulate 448 PC's RTC. 449 450 If unsure, say N. 451 452config SH_FPU 453 bool "FPU support" 454 depends on !CPU_SH3 455 default y 456 help 457 Selecting this option will enable support for SH processors that 458 have FPU units (ie, SH77xx). 459 460 This option must be set in order to enable the FPU. 461 462config SH_DSP 463 bool "DSP support" 464 depends on !CPU_SH4 465 default y 466 help 467 Selecting this option will enable support for SH processors that 468 have DSP units (ie, SH2-DSP and SH3-DSP). It is safe to say Y here 469 by default, as the existance of the DSP will be probed at runtime. 470 471 This option must be set in order to enable the DSP. 472 473config SH_ADC 474 bool "ADC support" 475 depends on CPU_SH3 476 default y 477 help 478 Selecting this option will allow the Linux kernel to use SH3 on-chip 479 ADC module. 480 481 If unsure, say N. 482 483config SH_HP600 484 bool 485 depends on SH_HP620 || SH_HP680 || SH_HP690 486 default y 487 488config CPU_SUBTYPE_ST40 489 bool 490 depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1 491 default y 492 493source "mm/Kconfig" 494 495config ZERO_PAGE_OFFSET 496 hex "Zero page offset" 497 default "0x00001000" if !(SH_MPC1211 || SH_SH03) 498 default "0x00004000" if SH_MPC1211 || SH_SH03 499 help 500 This sets the default offset of zero page. 501 502# XXX: needs to lose subtype for system type 503config ST40_LMI_MEMORY 504 bool "Memory on LMI" 505 depends on CPU_SUBTYPE_ST40STB1 506 507config MEMORY_START 508 hex 509 depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY 510 default "0x08000000" 511 512config MEMORY_SIZE 513 hex 514 depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY 515 default "0x00400000" 516 517config MEMORY_SET 518 bool 519 depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY 520 default y 521 522config BOOT_LINK_OFFSET 523 hex "Link address offset for booting" 524 default "0x00800000" 525 help 526 This option allows you to set the link address offset of the zImage. 527 This can be useful if you are on a board which has a small amount of 528 memory. 529 530config CPU_LITTLE_ENDIAN 531 bool "Little Endian" 532 help 533 Some SuperH machines can be configured for either little or big 534 endian byte order. These modes require different kernels. Say Y if 535 your machine is little endian, N if it's a big endian machine. 536 537config PREEMPT 538 bool "Preemptible Kernel (EXPERIMENTAL)" 539 depends on EXPERIMENTAL 540 541config UBC_WAKEUP 542 bool "Wakeup UBC on startup" 543 help 544 Selecting this option will wakeup the User Break Controller (UBC) on 545 startup. Although the UBC is left in an awake state when the processor 546 comes up, some boot loaders misbehave by putting the UBC to sleep in a 547 power saving state, which causes issues with things like ptrace(). 548 549 If unsure, say N. 550 551config SH_WRITETHROUGH 552 bool "Use write-through caching" 553 default y if CPU_SH2 554 help 555 Selecting this option will configure the caches in write-through 556 mode, as opposed to the default write-back configuration. 557 558 Since there's sill some aliasing issues on SH-4, this option will 559 unfortunately still require the majority of flushing functions to 560 be implemented to deal with aliasing. 561 562 If unsure, say N. 563 564config SH_OCRAM 565 bool "Operand Cache RAM (OCRAM) support" 566 help 567 Selecting this option will automatically tear down the number of 568 sets in the dcache by half, which in turn exposes a memory range. 569 570 The addresses for the OC RAM base will vary according to the 571 processor version. Consult vendor documentation for specifics. 572 573 If unsure, say N. 574 575config SH_STORE_QUEUES 576 bool "Support for Store Queues" 577 depends on CPU_SH4 578 help 579 Selecting this option will enable an in-kernel API for manipulating 580 the store queues integrated in the SH-4 processors. 581 582config SMP 583 bool "Symmetric multi-processing support" 584 ---help--- 585 This enables support for systems with more than one CPU. If you have 586 a system with only one CPU, like most personal computers, say N. If 587 you have a system with more than one CPU, say Y. 588 589 If you say N here, the kernel will run on single and multiprocessor 590 machines, but will use only one CPU of a multiprocessor machine. If 591 you say Y here, the kernel will run on many, but not all, 592 singleprocessor machines. On a singleprocessor machine, the kernel 593 will run faster if you say N here. 594 595 People using multiprocessor machines who say Y here should also say 596 Y to "Enhanced Real Time Clock Support", below. 597 598 See also the <file:Documentation/smp.txt>, 599 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available 600 at <http://www.tldp.org/docs.html#howto>. 601 602 If you don't know what to do here, say N. 603 604config NR_CPUS 605 int "Maximum number of CPUs (2-32)" 606 range 2 32 607 depends on SMP 608 default "2" 609 help 610 This allows you to specify the maximum number of CPUs which this 611 kernel will support. The maximum supported value is 32 and the 612 minimum value which makes sense is 2. 613 614 This is purely to save memory - each supported CPU adds 615 approximately eight kilobytes to the kernel image. 616 617config HS7751RVOIP_CODEC 618 bool "Support VoIP Codec section" 619 depends on SH_HS7751RVOIP 620 help 621 Selecting this option will support CODEC section. 622 623config RTS7751R2D_REV11 624 bool "RTS7751R2D Rev. 1.1 board support" 625 depends on SH_RTS7751R2D 626 help 627 Selecting this option will support version rev. 1.1. 628 629config SH_PCLK_CALC 630 bool 631 default n if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH73180 632 default y 633 help 634 This option will cause the PCLK value to be probed at run-time. It 635 will display a notification if the probed value has greater than a 636 1% variance of the hardcoded CONFIG_SH_PCLK_FREQ. 637 638config SH_PCLK_FREQ 639 int "Peripheral clock frequency (in Hz)" 640 default "50000000" if CPU_SUBTYPE_SH7750 641 default "60000000" if CPU_SUBTYPE_SH7751 642 default "33333333" if CPU_SUBTYPE_SH7300 643 default "27000000" if CPU_SUBTYPE_SH73180 644 default "66000000" if CPU_SUBTYPE_SH4_202 645 default "1193182" 646 help 647 This option is used to specify the peripheral clock frequency. This 648 option must be set for each processor in order for the kernel to 649 function reliably. If no sane default exists, we use a default from 650 the legacy i8254. Any discrepancies will be reported on boot time 651 with an auto-probed frequency which should be considered the proper 652 value for your hardware. 653 654menu "CPU Frequency scaling" 655 656source "drivers/cpufreq/Kconfig" 657 658config SH_CPU_FREQ 659 tristate "SuperH CPU Frequency driver" 660 depends on CPU_FREQ 661 select CPU_FREQ_TABLE 662 help 663 This adds the cpufreq driver for SuperH. At present, only 664 the SH-4 is supported. 665 666 For details, take a look at <file:Documentation/cpu-freq>. 667 668 If unsure, say N. 669 670endmenu 671 672source "arch/sh/drivers/dma/Kconfig" 673 674source "arch/sh/cchips/Kconfig" 675 676config HEARTBEAT 677 bool "Heartbeat LED" 678 depends on SH_MPC1211 || SH_SH03 || SH_CAT68701 || SH_STB1_HARP || SH_STB1_OVERDRIVE || SH_BIGSUR || SH_7751_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_RTS7751R2D || SH_SH4202_MICRODEV 679 help 680 Use the power-on LED on your machine as a load meter. The exact 681 behavior is platform-dependent, but normally the flash frequency is 682 a hyperbolic function of the 5-minute load average. 683 684config RTC_9701JE 685 tristate "EPSON RTC-9701JE support" 686 depends on SH_RTS7751R2D 687 help 688 Selecting this option will support EPSON RTC-9701JE. 689 690endmenu 691 692config ISA_DMA_API 693 bool 694 depends on MPC1211 695 default y 696 697menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)" 698 699# Even on SuperH devices which don't have an ISA bus, 700# this variable helps the PCMCIA modules handle 701# IRQ requesting properly -- Greg Banks. 702# 703# Though we're generally not interested in it when 704# we're not using PCMCIA, so we make it dependent on 705# PCMCIA outright. -- PFM. 706config ISA 707 bool 708 default y if PCMCIA || SMC91X 709 help 710 Find out whether you have ISA slots on your motherboard. ISA is the 711 name of a bus system, i.e. the way the CPU talks to the other stuff 712 inside your box. Other bus systems are PCI, EISA, MicroChannel 713 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 714 newer boards don't support it. If you have ISA, say Y, otherwise N. 715 716config EISA 717 bool 718 ---help--- 719 The Extended Industry Standard Architecture (EISA) bus was 720 developed as an open alternative to the IBM MicroChannel bus. 721 722 The EISA bus provided some of the features of the IBM MicroChannel 723 bus while maintaining backward compatibility with cards made for 724 the older ISA bus. The EISA bus saw limited use between 1988 and 725 1995 when it was made obsolete by the PCI bus. 726 727 Say Y here if you are building a kernel for an EISA-based machine. 728 729 Otherwise, say N. 730 731config MCA 732 bool 733 help 734 MicroChannel Architecture is found in some IBM PS/2 machines and 735 laptops. It is a bus system similar to PCI or ISA. See 736 <file:Documentation/mca.txt> (and especially the web page given 737 there) before attempting to build an MCA bus kernel. 738 739config SBUS 740 bool 741 742config MAPLE 743 tristate "Maple Bus support" 744 depends on SH_DREAMCAST 745 default y 746 747source "arch/sh/drivers/pci/Kconfig" 748 749source "drivers/pci/Kconfig" 750 751source "drivers/pcmcia/Kconfig" 752 753source "drivers/pci/hotplug/Kconfig" 754 755endmenu 756 757menu "Executable file formats" 758 759source "fs/Kconfig.binfmt" 760 761endmenu 762 763source "net/Kconfig" 764 765source "drivers/Kconfig" 766 767source "fs/Kconfig" 768 769source "arch/sh/oprofile/Kconfig" 770 771source "arch/sh/Kconfig.debug" 772 773source "security/Kconfig" 774 775source "crypto/Kconfig" 776 777source "lib/Kconfig" 778