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 select EMBEDDED 12 help 13 The SuperH is a RISC processor targeted for use in embedded systems 14 and consumer electronics; it was also used in the Sega Dreamcast 15 gaming console. The SuperH port has a home page at 16 <http://www.linux-sh.org/>. 17 18config RWSEM_GENERIC_SPINLOCK 19 bool 20 default y 21 22config RWSEM_XCHGADD_ALGORITHM 23 bool 24 25config GENERIC_BUG 26 def_bool y 27 depends on BUG 28 29config GENERIC_FIND_NEXT_BIT 30 bool 31 default y 32 33config GENERIC_HWEIGHT 34 bool 35 default y 36 37config GENERIC_HARDIRQS 38 bool 39 default y 40 41config GENERIC_IRQ_PROBE 42 bool 43 default y 44 45config GENERIC_CALIBRATE_DELAY 46 bool 47 default y 48 49config GENERIC_IOMAP 50 bool 51 52config GENERIC_TIME 53 def_bool n 54 55config GENERIC_CLOCKEVENTS 56 def_bool n 57 58config SYS_SUPPORTS_APM_EMULATION 59 bool 60 61config ARCH_MAY_HAVE_PC_FDC 62 bool 63 64config STACKTRACE_SUPPORT 65 bool 66 default y 67 68config LOCKDEP_SUPPORT 69 bool 70 default y 71 72config ARCH_HAS_ILOG2_U32 73 bool 74 default n 75 76config ARCH_HAS_ILOG2_U64 77 bool 78 default n 79 80source "init/Kconfig" 81 82menu "System type" 83 84config SOLUTION_ENGINE 85 bool 86 87choice 88 prompt "SuperH system type" 89 default SH_UNKNOWN 90 91config SH_SOLUTION_ENGINE 92 bool "SolutionEngine" 93 select SOLUTION_ENGINE 94 help 95 Select SolutionEngine if configuring for a Hitachi SH7709 96 or SH7750 evaluation board. 97 98config SH_7722_SOLUTION_ENGINE 99 bool "SolutionEngine7722" 100 select SOLUTION_ENGINE 101 select CPU_SUBTYPE_SH7722 102 help 103 Select 7722 SolutionEngine if configuring for a Hitachi SH772 104 evaluation board. 105 106config SH_7751_SOLUTION_ENGINE 107 bool "SolutionEngine7751" 108 select SOLUTION_ENGINE 109 select CPU_SUBTYPE_SH7751 110 help 111 Select 7751 SolutionEngine if configuring for a Hitachi SH7751 112 evaluation board. 113 114config SH_7780_SOLUTION_ENGINE 115 bool "SolutionEngine7780" 116 select SOLUTION_ENGINE 117 select CPU_SUBTYPE_SH7780 118 help 119 Select 7780 SolutionEngine if configuring for a Renesas SH7780 120 evaluation board. 121 122config SH_7300_SOLUTION_ENGINE 123 bool "SolutionEngine7300" 124 select SOLUTION_ENGINE 125 select CPU_SUBTYPE_SH7300 126 help 127 Select 7300 SolutionEngine if configuring for a Hitachi 128 SH7300(SH-Mobile V) evaluation board. 129 130config SH_7343_SOLUTION_ENGINE 131 bool "SolutionEngine7343" 132 select SOLUTION_ENGINE 133 select CPU_SUBTYPE_SH7343 134 help 135 Select 7343 SolutionEngine if configuring for a Hitachi 136 SH7343 (SH-Mobile 3AS) evaluation board. 137 138config SH_73180_SOLUTION_ENGINE 139 bool "SolutionEngine73180" 140 select SOLUTION_ENGINE 141 select CPU_SUBTYPE_SH73180 142 help 143 Select 73180 SolutionEngine if configuring for a Hitachi 144 SH73180(SH-Mobile 3) evaluation board. 145 146config SH_7751_SYSTEMH 147 bool "SystemH7751R" 148 select CPU_SUBTYPE_SH7751R 149 help 150 Select SystemH if you are configuring for a Renesas SystemH 151 7751R evaluation board. 152 153config SH_HP6XX 154 bool "HP6XX" 155 select SYS_SUPPORTS_APM_EMULATION 156 help 157 Select HP6XX if configuring for a HP jornada HP6xx. 158 More information (hardware only) at 159 <http://www.hp.com/jornada/>. 160 161config SH_SATURN 162 bool "Saturn" 163 select CPU_SUBTYPE_SH7604 164 help 165 Select Saturn if configuring for a SEGA Saturn. 166 167config SH_DREAMCAST 168 bool "Dreamcast" 169 select CPU_SUBTYPE_SH7091 170 help 171 Select Dreamcast if configuring for a SEGA Dreamcast. 172 More information at 173 <http://www.m17n.org/linux-sh/dreamcast/>. There is a 174 Dreamcast project is at <http://linuxdc.sourceforge.net/>. 175 176config SH_MPC1211 177 bool "Interface MPC1211" 178 help 179 CTP/PCI-SH02 is a CPU module computer that is produced 180 by Interface Corporation. 181 More information at <http://www.interface.co.jp> 182 183config SH_SH03 184 bool "Interface CTP/PCI-SH03" 185 help 186 CTP/PCI-SH03 is a CPU module computer that is produced 187 by Interface Corporation. 188 More information at <http://www.interface.co.jp> 189 190config SH_SECUREEDGE5410 191 bool "SecureEdge5410" 192 select CPU_SUBTYPE_SH7751R 193 help 194 Select SecureEdge5410 if configuring for a SnapGear SH board. 195 This includes both the OEM SecureEdge products as well as the 196 SME product line. 197 198config SH_HS7751RVOIP 199 bool "HS7751RVOIP" 200 select CPU_SUBTYPE_SH7751R 201 help 202 Select HS7751RVOIP if configuring for a Renesas Technology 203 Sales VoIP board. 204 205config SH_7710VOIPGW 206 bool "SH7710-VOIP-GW" 207 select CPU_SUBTYPE_SH7710 208 help 209 Select this option to build a kernel for the SH7710 based 210 VOIP GW. 211 212config SH_RTS7751R2D 213 bool "RTS7751R2D" 214 select CPU_SUBTYPE_SH7751R 215 help 216 Select RTS7751R2D if configuring for a Renesas Technology 217 Sales SH-Graphics board. 218 219config SH_HIGHLANDER 220 bool "Highlander" 221 222config SH_EDOSK7705 223 bool "EDOSK7705" 224 select CPU_SUBTYPE_SH7705 225 226config SH_SH4202_MICRODEV 227 bool "SH4-202 MicroDev" 228 select CPU_SUBTYPE_SH4_202 229 help 230 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board 231 with an SH4-202 CPU. 232 233config SH_LANDISK 234 bool "LANDISK" 235 select CPU_SUBTYPE_SH7751R 236 help 237 I-O DATA DEVICE, INC. "LANDISK Series" support. 238 239config SH_TITAN 240 bool "TITAN" 241 select CPU_SUBTYPE_SH7751R 242 help 243 Select Titan if you are configuring for a Nimble Microsystems 244 NetEngine NP51R. 245 246config SH_SHMIN 247 bool "SHMIN" 248 select CPU_SUBTYPE_SH7706 249 help 250 Select SHMIN if configuring for the SHMIN board. 251 252config SH_7206_SOLUTION_ENGINE 253 bool "SolutionEngine7206" 254 select CPU_SUBTYPE_SH7206 255 help 256 Select 7206 SolutionEngine if configuring for a Hitachi SH7206 257 evaluation board. 258 259config SH_7619_SOLUTION_ENGINE 260 bool "SolutionEngine7619" 261 select CPU_SUBTYPE_SH7619 262 help 263 Select 7619 SolutionEngine if configuring for a Hitachi SH7619 264 evaluation board. 265 266config SH_LBOX_RE2 267 bool "L-BOX RE2" 268 select CPU_SUBTYPE_SH7751R 269 help 270 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. 271 272config SH_UNKNOWN 273 bool "BareCPU" 274 help 275 "Bare CPU" aka "unknown" means an SH-based system which is not one 276 of the specific ones mentioned above, which means you need to enter 277 all sorts of stuff like CONFIG_MEMORY_START because the config 278 system doesn't already know what it is. You get a machine vector 279 without any platform-specific code in it, so things like the RTC may 280 not work. 281 282 This option is for the early stages of porting to a new machine. 283 284endchoice 285 286source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" 287source "arch/sh/boards/renesas/rts7751r2d/Kconfig" 288source "arch/sh/boards/renesas/r7780rp/Kconfig" 289 290source "arch/sh/mm/Kconfig" 291 292config CF_ENABLER 293 bool "Compact Flash Enabler support" 294 depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_SH03 295 ---help--- 296 Compact Flash is a small, removable mass storage device introduced 297 in 1994 originally as a PCMCIA device. If you say `Y' here, you 298 compile in support for Compact Flash devices directly connected to 299 a SuperH processor. A Compact Flash FAQ is available at 300 <http://www.compactflash.org/faqs/faq.htm>. 301 302 If your board has "Directly Connected" CompactFlash at area 5 or 6, 303 you may want to enable this option. Then, you can use CF as 304 primary IDE drive (only tested for SanDisk). 305 306 If in doubt, select 'N'. 307 308choice 309 prompt "Compact Flash Connection Area" 310 depends on CF_ENABLER 311 default CF_AREA6 312 313config CF_AREA5 314 bool "Area5" 315 help 316 If your board has "Directly Connected" CompactFlash, You should 317 select the area where your CF is connected to. 318 319 - "Area5" if CompactFlash is connected to Area 5 (0x14000000) 320 - "Area6" if it is connected to Area 6 (0x18000000) 321 322 "Area6" will work for most boards. 323 324config CF_AREA6 325 bool "Area6" 326 327endchoice 328 329config CF_BASE_ADDR 330 hex 331 depends on CF_ENABLER 332 default "0xb8000000" if CF_AREA6 333 default "0xb4000000" if CF_AREA5 334 335menu "Processor features" 336 337choice 338 prompt "Endianess selection" 339 default CPU_LITTLE_ENDIAN 340 help 341 Some SuperH machines can be configured for either little or big 342 endian byte order. These modes require different kernels. 343 344config CPU_LITTLE_ENDIAN 345 bool "Little Endian" 346 347config CPU_BIG_ENDIAN 348 bool "Big Endian" 349 350endchoice 351 352config SH_FPU 353 bool "FPU support" 354 depends on !CPU_SH3 355 default y 356 help 357 Selecting this option will enable support for SH processors that 358 have FPU units (ie, SH77xx). 359 360 This option must be set in order to enable the FPU. 361 362config SH_FPU_EMU 363 bool "FPU emulation support" 364 depends on !SH_FPU && EXPERIMENTAL 365 default n 366 help 367 Selecting this option will enable support for software FPU emulation. 368 Most SH-3 users will want to say Y here, whereas most SH-4 users will 369 want to say N. 370 371config SH_DSP 372 bool "DSP support" 373 default y if SH4AL_DSP || !CPU_SH4 374 default n 375 help 376 Selecting this option will enable support for SH processors that 377 have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). 378 379 This option must be set in order to enable the DSP. 380 381config SH_ADC 382 bool "ADC support" 383 depends on CPU_SH3 384 default y 385 help 386 Selecting this option will allow the Linux kernel to use SH3 on-chip 387 ADC module. 388 389 If unsure, say N. 390 391config SH_STORE_QUEUES 392 bool "Support for Store Queues" 393 depends on CPU_SH4 394 help 395 Selecting this option will enable an in-kernel API for manipulating 396 the store queues integrated in the SH-4 processors. 397 398config SPECULATIVE_EXECUTION 399 bool "Speculative subroutine return" 400 depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL 401 help 402 This enables support for a speculative instruction fetch for 403 subroutine return. There are various pitfalls associated with 404 this, as outlined in the SH7780 hardware manual. 405 406 If unsure, say N. 407 408config CPU_HAS_INTEVT 409 bool 410 411config CPU_HAS_PINT_IRQ 412 bool 413 414config CPU_HAS_MASKREG_IRQ 415 bool 416 417config CPU_HAS_INTC2_IRQ 418 bool 419 420config CPU_HAS_IPR_IRQ 421 bool 422 423config CPU_HAS_SR_RB 424 bool "CPU has SR.RB" 425 depends on CPU_SH3 || CPU_SH4 426 default y 427 help 428 This will enable the use of SR.RB register bank usage. Processors 429 that are lacking this bit must have another method in place for 430 accomplishing what is taken care of by the banked registers. 431 432 See <file:Documentation/sh/register-banks.txt> for further 433 information on SR.RB and register banking in the kernel in general. 434 435config CPU_HAS_PTEA 436 bool 437 438endmenu 439 440menu "Timer and clock configuration" 441 442config SH_TMU 443 bool "TMU timer support" 444 depends on CPU_SH3 || CPU_SH4 445 select GENERIC_TIME 446 select GENERIC_CLOCKEVENTS 447 default y 448 help 449 This enables the use of the TMU as the system timer. 450 451config SH_CMT 452 bool "CMT timer support" 453 depends on CPU_SH2 454 default y 455 help 456 This enables the use of the CMT as the system timer. 457 458config SH_MTU2 459 bool "MTU2 timer support" 460 depends on CPU_SH2A 461 default n 462 help 463 This enables the use of the MTU2 as the system timer. 464 465config SH_TIMER_IRQ 466 int 467 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 468 default "86" if CPU_SUBTYPE_SH7619 469 default "140" if CPU_SUBTYPE_SH7206 470 default "16" 471 472config SH_PCLK_FREQ 473 int "Peripheral clock frequency (in Hz)" 474 default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343 475 default "31250000" if CPU_SUBTYPE_SH7619 476 default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \ 477 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ 478 CPU_SUBTYPE_SH7206 479 default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780 || \ 480 CPU_SUBTYPE_SH7785 481 default "60000000" if CPU_SUBTYPE_SH7751 482 default "66000000" if CPU_SUBTYPE_SH4_202 483 help 484 This option is used to specify the peripheral clock frequency. 485 This is necessary for determining the reference clock value on 486 platforms lacking an RTC. 487 488config SH_CLK_MD 489 int "CPU Mode Pin Setting" 490 default 0 491 depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206 492 help 493 MD2 - MD0 pin setting. 494 495source "kernel/time/Kconfig" 496 497endmenu 498 499menu "CPU Frequency scaling" 500 501source "drivers/cpufreq/Kconfig" 502 503config SH_CPU_FREQ 504 tristate "SuperH CPU Frequency driver" 505 depends on CPU_FREQ 506 select CPU_FREQ_TABLE 507 help 508 This adds the cpufreq driver for SuperH. At present, only 509 the SH-4 is supported. 510 511 For details, take a look at <file:Documentation/cpu-freq>. 512 513 If unsure, say N. 514 515endmenu 516 517source "arch/sh/drivers/Kconfig" 518 519endmenu 520 521config ISA_DMA_API 522 bool 523 depends on SH_MPC1211 524 default y 525 526menu "Kernel features" 527 528source kernel/Kconfig.hz 529 530config KEXEC 531 bool "kexec system call (EXPERIMENTAL)" 532 depends on EXPERIMENTAL 533 help 534 kexec is a system call that implements the ability to shutdown your 535 current kernel, and to start another kernel. It is like a reboot 536 but it is independent of the system firmware. And like a reboot 537 you can start any kernel with it, not just Linux. 538 539 The name comes from the similarity to the exec system call. 540 541 It is an ongoing process to be certain the hardware in a machine 542 is properly shutdown, so do not be surprised if this code does not 543 initially work for you. It may help to enable device hotplugging 544 support. As of this writing the exact hardware interface is 545 strongly in flux, so no good recommendation can be made. 546 547config CRASH_DUMP 548 bool "kernel crash dumps (EXPERIMENTAL)" 549 depends on EXPERIMENTAL 550 help 551 Generate crash dump after being started by kexec. 552 This should be normally only set in special crash dump kernels 553 which are loaded in the main kernel with kexec-tools into 554 a specially reserved region and then later executed after 555 a crash by kdump/kexec. The crash dump kernel must be compiled 556 to a memory address not used by the main kernel using 557 MEMORY_START. 558 559 For more details see Documentation/kdump/kdump.txt 560 561config SMP 562 bool "Symmetric multi-processing support" 563 ---help--- 564 This enables support for systems with more than one CPU. If you have 565 a system with only one CPU, like most personal computers, say N. If 566 you have a system with more than one CPU, say Y. 567 568 If you say N here, the kernel will run on single and multiprocessor 569 machines, but will use only one CPU of a multiprocessor machine. If 570 you say Y here, the kernel will run on many, but not all, 571 singleprocessor machines. On a singleprocessor machine, the kernel 572 will run faster if you say N here. 573 574 People using multiprocessor machines who say Y here should also say 575 Y to "Enhanced Real Time Clock Support", below. 576 577 See also the <file:Documentation/smp.txt>, 578 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available 579 at <http://www.tldp.org/docs.html#howto>. 580 581 If you don't know what to do here, say N. 582 583config NR_CPUS 584 int "Maximum number of CPUs (2-32)" 585 range 2 32 586 depends on SMP 587 default "2" 588 help 589 This allows you to specify the maximum number of CPUs which this 590 kernel will support. The maximum supported value is 32 and the 591 minimum value which makes sense is 2. 592 593 This is purely to save memory - each supported CPU adds 594 approximately eight kilobytes to the kernel image. 595 596source "kernel/Kconfig.preempt" 597 598config NODES_SHIFT 599 int 600 default "1" 601 depends on NEED_MULTIPLE_NODES 602 603endmenu 604 605menu "Boot options" 606 607config ZERO_PAGE_OFFSET 608 hex "Zero page offset" 609 default "0x00004000" if SH_MPC1211 || SH_SH03 610 default "0x00010000" if PAGE_SIZE_64KB 611 default "0x00002000" if PAGE_SIZE_8KB 612 default "0x00001000" 613 help 614 This sets the default offset of zero page. 615 616config BOOT_LINK_OFFSET 617 hex "Link address offset for booting" 618 default "0x00800000" 619 help 620 This option allows you to set the link address offset of the zImage. 621 This can be useful if you are on a board which has a small amount of 622 memory. 623 624config UBC_WAKEUP 625 bool "Wakeup UBC on startup" 626 help 627 Selecting this option will wakeup the User Break Controller (UBC) on 628 startup. Although the UBC is left in an awake state when the processor 629 comes up, some boot loaders misbehave by putting the UBC to sleep in a 630 power saving state, which causes issues with things like ptrace(). 631 632 If unsure, say N. 633 634config CMDLINE_BOOL 635 bool "Default bootloader kernel arguments" 636 637config CMDLINE 638 string "Initial kernel command string" 639 depends on CMDLINE_BOOL 640 default "console=ttySC1,115200" 641 642endmenu 643 644menu "Bus options" 645 646# Even on SuperH devices which don't have an ISA bus, 647# this variable helps the PCMCIA modules handle 648# IRQ requesting properly -- Greg Banks. 649# 650# Though we're generally not interested in it when 651# we're not using PCMCIA, so we make it dependent on 652# PCMCIA outright. -- PFM. 653config ISA 654 bool 655 default y if PCMCIA 656 help 657 Find out whether you have ISA slots on your motherboard. ISA is the 658 name of a bus system, i.e. the way the CPU talks to the other stuff 659 inside your box. Other bus systems are PCI, EISA, MicroChannel 660 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 661 newer boards don't support it. If you have ISA, say Y, otherwise N. 662 663config EISA 664 bool 665 ---help--- 666 The Extended Industry Standard Architecture (EISA) bus was 667 developed as an open alternative to the IBM MicroChannel bus. 668 669 The EISA bus provided some of the features of the IBM MicroChannel 670 bus while maintaining backward compatibility with cards made for 671 the older ISA bus. The EISA bus saw limited use between 1988 and 672 1995 when it was made obsolete by the PCI bus. 673 674 Say Y here if you are building a kernel for an EISA-based machine. 675 676 Otherwise, say N. 677 678config MCA 679 bool 680 help 681 MicroChannel Architecture is found in some IBM PS/2 machines and 682 laptops. It is a bus system similar to PCI or ISA. See 683 <file:Documentation/mca.txt> (and especially the web page given 684 there) before attempting to build an MCA bus kernel. 685 686config SBUS 687 bool 688 689config SUPERHYWAY 690 tristate "SuperHyway Bus support" 691 depends on CPU_SUBTYPE_SH4_202 692 693source "arch/sh/drivers/pci/Kconfig" 694 695source "drivers/pci/Kconfig" 696 697source "drivers/pcmcia/Kconfig" 698 699source "drivers/pci/hotplug/Kconfig" 700 701endmenu 702 703menu "Executable file formats" 704 705source "fs/Kconfig.binfmt" 706 707endmenu 708 709menu "Power management options (EXPERIMENTAL)" 710depends on EXPERIMENTAL 711 712source kernel/power/Kconfig 713 714endmenu 715 716source "net/Kconfig" 717 718source "drivers/Kconfig" 719 720source "fs/Kconfig" 721 722source "arch/sh/oprofile/Kconfig" 723 724source "arch/sh/Kconfig.debug" 725 726source "security/Kconfig" 727 728source "crypto/Kconfig" 729 730source "lib/Kconfig" 731