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 if HAS_IOPORT 13 select HAVE_MEMBLOCK 14 select HAVE_OPROFILE 15 select HAVE_GENERIC_DMA_COHERENT 16 select HAVE_ARCH_TRACEHOOK 17 select HAVE_DMA_API_DEBUG 18 select HAVE_DMA_ATTRS 19 select HAVE_PERF_EVENTS 20 select PERF_USE_VMALLOC 21 select HAVE_KERNEL_GZIP 22 select HAVE_KERNEL_BZIP2 23 select HAVE_KERNEL_LZMA 24 select HAVE_KERNEL_LZO 25 select HAVE_SYSCALL_TRACEPOINTS 26 select HAVE_REGS_AND_STACK_ACCESS_API 27 select RTC_LIB 28 select GENERIC_ATOMIC64 29 help 30 The SuperH is a RISC processor targeted for use in embedded systems 31 and consumer electronics; it was also used in the Sega Dreamcast 32 gaming console. The SuperH port has a home page at 33 <http://www.linux-sh.org/>. 34 35config SUPERH32 36 def_bool ARCH = "sh" 37 select HAVE_KPROBES 38 select HAVE_KRETPROBES 39 select HAVE_IOREMAP_PROT if MMU && !X2TLB 40 select HAVE_FUNCTION_TRACER 41 select HAVE_FTRACE_MCOUNT_RECORD 42 select HAVE_DYNAMIC_FTRACE 43 select HAVE_FUNCTION_TRACE_MCOUNT_TEST 44 select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE 45 select HAVE_FUNCTION_GRAPH_TRACER 46 select HAVE_ARCH_KGDB 47 select HAVE_HW_BREAKPOINT 48 select HAVE_MIXED_BREAKPOINTS_REGS 49 select PERF_EVENTS 50 select ARCH_HIBERNATION_POSSIBLE if MMU 51 52config SUPERH64 53 def_bool ARCH = "sh64" 54 55config ARCH_DEFCONFIG 56 string 57 default "arch/sh/configs/shx3_defconfig" if SUPERH32 58 default "arch/sh/configs/cayman_defconfig" if SUPERH64 59 60config RWSEM_GENERIC_SPINLOCK 61 def_bool y 62 63config RWSEM_XCHGADD_ALGORITHM 64 bool 65 66config GENERIC_BUG 67 def_bool y 68 depends on BUG && SUPERH32 69 70config GENERIC_CSUM 71 def_bool y 72 depends on SUPERH64 73 74config GENERIC_FIND_NEXT_BIT 75 def_bool y 76 77config GENERIC_HWEIGHT 78 def_bool y 79 80config GENERIC_HARDIRQS 81 def_bool y 82 83config GENERIC_HARDIRQS_NO__DO_IRQ 84 def_bool y 85 86config IRQ_PER_CPU 87 def_bool y 88 89config SPARSE_IRQ 90 def_bool y 91 depends on SUPERH32 92 93config GENERIC_GPIO 94 def_bool n 95 96config GENERIC_CALIBRATE_DELAY 97 bool 98 99config GENERIC_IOMAP 100 bool 101 102config GENERIC_CLOCKEVENTS 103 def_bool y 104 105config GENERIC_CLOCKEVENTS_BROADCAST 106 bool 107 108config GENERIC_CMOS_UPDATE 109 def_bool y 110 depends on SH_SH03 || SH_DREAMCAST 111 112config GENERIC_LOCKBREAK 113 def_bool y 114 depends on SMP && PREEMPT 115 116config SYS_SUPPORTS_PM 117 bool 118 depends on !SMP 119 120config ARCH_SUSPEND_POSSIBLE 121 def_bool n 122 123config ARCH_HIBERNATION_POSSIBLE 124 def_bool n 125 126config SYS_SUPPORTS_APM_EMULATION 127 bool 128 select ARCH_SUSPEND_POSSIBLE 129 130config SYS_SUPPORTS_HUGETLBFS 131 bool 132 133config SYS_SUPPORTS_SMP 134 bool 135 136config SYS_SUPPORTS_NUMA 137 bool 138 139config SYS_SUPPORTS_PCI 140 bool 141 142config SYS_SUPPORTS_CMT 143 bool 144 145config SYS_SUPPORTS_MTU2 146 bool 147 148config SYS_SUPPORTS_TMU 149 bool 150 151config STACKTRACE_SUPPORT 152 def_bool y 153 154config LOCKDEP_SUPPORT 155 def_bool y 156 157config HAVE_LATENCYTOP_SUPPORT 158 def_bool y 159 160config ARCH_HAS_ILOG2_U32 161 def_bool n 162 163config ARCH_HAS_ILOG2_U64 164 def_bool n 165 166config ARCH_NO_VIRT_TO_BUS 167 def_bool y 168 169config ARCH_HAS_DEFAULT_IDLE 170 def_bool y 171 172config ARCH_HAS_CPU_IDLE_WAIT 173 def_bool y 174 175config NO_IOPORT 176 bool 177 178config IO_TRAPPED 179 bool 180 181config DMA_COHERENT 182 bool 183 184config DMA_NONCOHERENT 185 def_bool !DMA_COHERENT 186 187config NEED_DMA_MAP_STATE 188 def_bool DMA_NONCOHERENT 189 190config NEED_SG_DMA_LENGTH 191 def_bool y 192 193source "init/Kconfig" 194 195source "kernel/Kconfig.freezer" 196 197menu "System type" 198 199# 200# Processor families 201# 202config CPU_SH2 203 bool 204 205config CPU_SH2A 206 bool 207 select CPU_SH2 208 209config CPU_SH3 210 bool 211 select CPU_HAS_INTEVT 212 select CPU_HAS_SR_RB 213 select SYS_SUPPORTS_TMU 214 215config CPU_SH4 216 bool 217 select CPU_HAS_INTEVT 218 select CPU_HAS_SR_RB 219 select CPU_HAS_FPU if !CPU_SH4AL_DSP 220 select SYS_SUPPORTS_TMU 221 select SYS_SUPPORTS_HUGETLBFS if MMU 222 223config CPU_SH4A 224 bool 225 select CPU_SH4 226 227config CPU_SH4AL_DSP 228 bool 229 select CPU_SH4A 230 select CPU_HAS_DSP 231 232config CPU_SH5 233 bool 234 select CPU_HAS_FPU 235 select SYS_SUPPORTS_TMU 236 select SYS_SUPPORTS_HUGETLBFS if MMU 237 238config CPU_SHX2 239 bool 240 241config CPU_SHX3 242 bool 243 select DMA_COHERENT 244 select SYS_SUPPORTS_SMP 245 select SYS_SUPPORTS_NUMA 246 247config ARCH_SHMOBILE 248 bool 249 select ARCH_SUSPEND_POSSIBLE 250 select PM 251 select PM_RUNTIME 252 253if SUPERH32 254 255choice 256 prompt "Processor sub-type selection" 257 258# 259# Processor subtypes 260# 261 262# SH-2 Processor Support 263 264config CPU_SUBTYPE_SH7619 265 bool "Support SH7619 processor" 266 select CPU_SH2 267 select SYS_SUPPORTS_CMT 268 269# SH-2A Processor Support 270 271config CPU_SUBTYPE_SH7201 272 bool "Support SH7201 processor" 273 select CPU_SH2A 274 select CPU_HAS_FPU 275 select SYS_SUPPORTS_MTU2 276 277config CPU_SUBTYPE_SH7203 278 bool "Support SH7203 processor" 279 select CPU_SH2A 280 select CPU_HAS_FPU 281 select SYS_SUPPORTS_CMT 282 select SYS_SUPPORTS_MTU2 283 284config CPU_SUBTYPE_SH7206 285 bool "Support SH7206 processor" 286 select CPU_SH2A 287 select SYS_SUPPORTS_CMT 288 select SYS_SUPPORTS_MTU2 289 290config CPU_SUBTYPE_SH7263 291 bool "Support SH7263 processor" 292 select CPU_SH2A 293 select CPU_HAS_FPU 294 select SYS_SUPPORTS_CMT 295 select SYS_SUPPORTS_MTU2 296 297config CPU_SUBTYPE_MXG 298 bool "Support MX-G processor" 299 select CPU_SH2A 300 select SYS_SUPPORTS_MTU2 301 help 302 Select MX-G if running on an R8A03022BG part. 303 304# SH-3 Processor Support 305 306config CPU_SUBTYPE_SH7705 307 bool "Support SH7705 processor" 308 select CPU_SH3 309 310config CPU_SUBTYPE_SH7706 311 bool "Support SH7706 processor" 312 select CPU_SH3 313 help 314 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. 315 316config CPU_SUBTYPE_SH7707 317 bool "Support SH7707 processor" 318 select CPU_SH3 319 help 320 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. 321 322config CPU_SUBTYPE_SH7708 323 bool "Support SH7708 processor" 324 select CPU_SH3 325 help 326 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or 327 if you have a 100 Mhz SH-3 HD6417708R CPU. 328 329config CPU_SUBTYPE_SH7709 330 bool "Support SH7709 processor" 331 select CPU_SH3 332 help 333 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. 334 335config CPU_SUBTYPE_SH7710 336 bool "Support SH7710 processor" 337 select CPU_SH3 338 select CPU_HAS_DSP 339 help 340 Select SH7710 if you have a SH3-DSP SH7710 CPU. 341 342config CPU_SUBTYPE_SH7712 343 bool "Support SH7712 processor" 344 select CPU_SH3 345 select CPU_HAS_DSP 346 help 347 Select SH7712 if you have a SH3-DSP SH7712 CPU. 348 349config CPU_SUBTYPE_SH7720 350 bool "Support SH7720 processor" 351 select CPU_SH3 352 select CPU_HAS_DSP 353 select SYS_SUPPORTS_CMT 354 help 355 Select SH7720 if you have a SH3-DSP SH7720 CPU. 356 357config CPU_SUBTYPE_SH7721 358 bool "Support SH7721 processor" 359 select CPU_SH3 360 select CPU_HAS_DSP 361 select SYS_SUPPORTS_CMT 362 help 363 Select SH7721 if you have a SH3-DSP SH7721 CPU. 364 365# SH-4 Processor Support 366 367config CPU_SUBTYPE_SH7750 368 bool "Support SH7750 processor" 369 select CPU_SH4 370 help 371 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. 372 373config CPU_SUBTYPE_SH7091 374 bool "Support SH7091 processor" 375 select CPU_SH4 376 help 377 Select SH7091 if you have an SH-4 based Sega device (such as 378 the Dreamcast, Naomi, and Naomi 2). 379 380config CPU_SUBTYPE_SH7750R 381 bool "Support SH7750R processor" 382 select CPU_SH4 383 384config CPU_SUBTYPE_SH7750S 385 bool "Support SH7750S processor" 386 select CPU_SH4 387 388config CPU_SUBTYPE_SH7751 389 bool "Support SH7751 processor" 390 select CPU_SH4 391 help 392 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, 393 or if you have a HD6417751R CPU. 394 395config CPU_SUBTYPE_SH7751R 396 bool "Support SH7751R processor" 397 select CPU_SH4 398 399config CPU_SUBTYPE_SH7760 400 bool "Support SH7760 processor" 401 select CPU_SH4 402 403config CPU_SUBTYPE_SH4_202 404 bool "Support SH4-202 processor" 405 select CPU_SH4 406 407# SH-4A Processor Support 408 409config CPU_SUBTYPE_SH7723 410 bool "Support SH7723 processor" 411 select CPU_SH4A 412 select CPU_SHX2 413 select ARCH_SHMOBILE 414 select ARCH_SPARSEMEM_ENABLE 415 select SYS_SUPPORTS_CMT 416 help 417 Select SH7723 if you have an SH-MobileR2 CPU. 418 419config CPU_SUBTYPE_SH7724 420 bool "Support SH7724 processor" 421 select CPU_SH4A 422 select CPU_SHX2 423 select ARCH_SHMOBILE 424 select ARCH_SPARSEMEM_ENABLE 425 select SYS_SUPPORTS_CMT 426 help 427 Select SH7724 if you have an SH-MobileR2R CPU. 428 429config CPU_SUBTYPE_SH7757 430 bool "Support SH7757 processor" 431 select CPU_SH4A 432 select CPU_SHX2 433 help 434 Select SH7757 if you have a SH4A SH7757 CPU. 435 436config CPU_SUBTYPE_SH7763 437 bool "Support SH7763 processor" 438 select CPU_SH4A 439 help 440 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. 441 442config CPU_SUBTYPE_SH7770 443 bool "Support SH7770 processor" 444 select CPU_SH4A 445 446config CPU_SUBTYPE_SH7780 447 bool "Support SH7780 processor" 448 select CPU_SH4A 449 450config CPU_SUBTYPE_SH7785 451 bool "Support SH7785 processor" 452 select CPU_SH4A 453 select CPU_SHX2 454 select ARCH_SPARSEMEM_ENABLE 455 select SYS_SUPPORTS_NUMA 456 457config CPU_SUBTYPE_SH7786 458 bool "Support SH7786 processor" 459 select CPU_SH4A 460 select CPU_SHX3 461 select CPU_HAS_PTEAEX 462 select GENERIC_CLOCKEVENTS_BROADCAST if SMP 463 464config CPU_SUBTYPE_SHX3 465 bool "Support SH-X3 processor" 466 select CPU_SH4A 467 select CPU_SHX3 468 select GENERIC_CLOCKEVENTS_BROADCAST if SMP 469 470# SH4AL-DSP Processor Support 471 472config CPU_SUBTYPE_SH7343 473 bool "Support SH7343 processor" 474 select CPU_SH4AL_DSP 475 select ARCH_SHMOBILE 476 select SYS_SUPPORTS_CMT 477 478config CPU_SUBTYPE_SH7722 479 bool "Support SH7722 processor" 480 select CPU_SH4AL_DSP 481 select CPU_SHX2 482 select ARCH_SHMOBILE 483 select ARCH_SPARSEMEM_ENABLE 484 select SYS_SUPPORTS_NUMA 485 select SYS_SUPPORTS_CMT 486 487config CPU_SUBTYPE_SH7366 488 bool "Support SH7366 processor" 489 select CPU_SH4AL_DSP 490 select CPU_SHX2 491 select ARCH_SHMOBILE 492 select ARCH_SPARSEMEM_ENABLE 493 select SYS_SUPPORTS_NUMA 494 select SYS_SUPPORTS_CMT 495 496endchoice 497 498endif 499 500if SUPERH64 501 502choice 503 prompt "Processor sub-type selection" 504 505# SH-5 Processor Support 506 507config CPU_SUBTYPE_SH5_101 508 bool "Support SH5-101 processor" 509 select CPU_SH5 510 511config CPU_SUBTYPE_SH5_103 512 bool "Support SH5-103 processor" 513 select CPU_SH5 514 515endchoice 516 517endif 518 519source "arch/sh/mm/Kconfig" 520 521source "arch/sh/Kconfig.cpu" 522 523source "arch/sh/boards/Kconfig" 524 525menu "Timer and clock configuration" 526 527config SH_TIMER_TMU 528 bool "TMU timer driver" 529 depends on SYS_SUPPORTS_TMU 530 default y 531 help 532 This enables the build of the TMU timer driver. 533 534config SH_TIMER_CMT 535 bool "CMT timer driver" 536 depends on SYS_SUPPORTS_CMT 537 default y 538 help 539 This enables build of the CMT timer driver. 540 541config SH_TIMER_MTU2 542 bool "MTU2 timer driver" 543 depends on SYS_SUPPORTS_MTU2 544 default y 545 help 546 This enables build of the MTU2 timer driver. 547 548config SH_PCLK_FREQ 549 int "Peripheral clock frequency (in Hz)" 550 depends on SH_CLK_CPG_LEGACY 551 default "31250000" if CPU_SUBTYPE_SH7619 552 default "33333333" if CPU_SUBTYPE_SH7770 || \ 553 CPU_SUBTYPE_SH7760 || \ 554 CPU_SUBTYPE_SH7705 || \ 555 CPU_SUBTYPE_SH7203 || \ 556 CPU_SUBTYPE_SH7206 || \ 557 CPU_SUBTYPE_SH7263 || \ 558 CPU_SUBTYPE_MXG 559 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R 560 default "66000000" if CPU_SUBTYPE_SH4_202 561 default "50000000" 562 help 563 This option is used to specify the peripheral clock frequency. 564 This is necessary for determining the reference clock value on 565 platforms lacking an RTC. 566 567config SH_CLK_CPG 568 def_bool y 569 570config SH_CLK_CPG_LEGACY 571 depends on SH_CLK_CPG 572 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \ 573 !CPU_SUBTYPE_SH7786 && !CPU_SUBTYPE_SH7757 574 575config SH_CLK_MD 576 int "CPU Mode Pin Setting" 577 depends on CPU_SH2 578 default 6 if CPU_SUBTYPE_SH7206 579 default 5 if CPU_SUBTYPE_SH7619 580 default 0 581 help 582 MD2 - MD0 pin setting. 583 584source "kernel/time/Kconfig" 585 586endmenu 587 588menu "CPU Frequency scaling" 589 590source "drivers/cpufreq/Kconfig" 591 592config SH_CPU_FREQ 593 tristate "SuperH CPU Frequency driver" 594 depends on CPU_FREQ 595 select CPU_FREQ_TABLE 596 help 597 This adds the cpufreq driver for SuperH. Any CPU that supports 598 clock rate rounding through the clock framework can use this 599 driver. While it will make the kernel slightly larger, this is 600 harmless for CPUs that don't support rate rounding. The driver 601 will also generate a notice in the boot log before disabling 602 itself if the CPU in question is not capable of rate rounding. 603 604 For details, take a look at <file:Documentation/cpu-freq>. 605 606 If unsure, say N. 607 608endmenu 609 610source "arch/sh/drivers/Kconfig" 611 612endmenu 613 614menu "Kernel features" 615 616source kernel/Kconfig.hz 617 618config KEXEC 619 bool "kexec system call (EXPERIMENTAL)" 620 depends on SUPERH32 && EXPERIMENTAL && MMU 621 help 622 kexec is a system call that implements the ability to shutdown your 623 current kernel, and to start another kernel. It is like a reboot 624 but it is independent of the system firmware. And like a reboot 625 you can start any kernel with it, not just Linux. 626 627 The name comes from the similarity to the exec system call. 628 629 It is an ongoing process to be certain the hardware in a machine 630 is properly shutdown, so do not be surprised if this code does not 631 initially work for you. It may help to enable device hotplugging 632 support. As of this writing the exact hardware interface is 633 strongly in flux, so no good recommendation can be made. 634 635config CRASH_DUMP 636 bool "kernel crash dumps (EXPERIMENTAL)" 637 depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP 638 help 639 Generate crash dump after being started by kexec. 640 This should be normally only set in special crash dump kernels 641 which are loaded in the main kernel with kexec-tools into 642 a specially reserved region and then later executed after 643 a crash by kdump/kexec. The crash dump kernel must be compiled 644 to a memory address not used by the main kernel using 645 MEMORY_START. 646 647 For more details see Documentation/kdump/kdump.txt 648 649config KEXEC_JUMP 650 bool "kexec jump (EXPERIMENTAL)" 651 depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL 652 help 653 Jump between original kernel and kexeced kernel and invoke 654 code via KEXEC 655 656config SECCOMP 657 bool "Enable seccomp to safely compute untrusted bytecode" 658 depends on PROC_FS 659 help 660 This kernel feature is useful for number crunching applications 661 that may need to compute untrusted bytecode during their 662 execution. By using pipes or other transports made available to 663 the process as file descriptors supporting the read/write 664 syscalls, it's possible to isolate those applications in 665 their own address space using seccomp. Once seccomp is 666 enabled via prctl, it cannot be disabled and the task is only 667 allowed to execute a few safe syscalls defined by each seccomp 668 mode. 669 670 If unsure, say N. 671 672config SMP 673 bool "Symmetric multi-processing support" 674 depends on SYS_SUPPORTS_SMP 675 select USE_GENERIC_SMP_HELPERS 676 ---help--- 677 This enables support for systems with more than one CPU. If you have 678 a system with only one CPU, like most personal computers, say N. If 679 you have a system with more than one CPU, say Y. 680 681 If you say N here, the kernel will run on single and multiprocessor 682 machines, but will use only one CPU of a multiprocessor machine. If 683 you say Y here, the kernel will run on many, but not all, 684 singleprocessor machines. On a singleprocessor machine, the kernel 685 will run faster if you say N here. 686 687 People using multiprocessor machines who say Y here should also say 688 Y to "Enhanced Real Time Clock Support", below. 689 690 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 691 available at <http://www.tldp.org/docs.html#howto>. 692 693 If you don't know what to do here, say N. 694 695config NR_CPUS 696 int "Maximum number of CPUs (2-32)" 697 range 2 32 698 depends on SMP 699 default "4" if CPU_SUBTYPE_SHX3 700 default "2" 701 help 702 This allows you to specify the maximum number of CPUs which this 703 kernel will support. The maximum supported value is 32 and the 704 minimum value which makes sense is 2. 705 706 This is purely to save memory - each supported CPU adds 707 approximately eight kilobytes to the kernel image. 708 709config HOTPLUG_CPU 710 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" 711 depends on SMP && HOTPLUG && EXPERIMENTAL 712 help 713 Say Y here to experiment with turning CPUs off and on. CPUs 714 can be controlled through /sys/devices/system/cpu. 715 716source "kernel/Kconfig.preempt" 717 718config GUSA 719 def_bool y 720 depends on !SMP && SUPERH32 721 help 722 This enables support for gUSA (general UserSpace Atomicity). 723 This is the default implementation for both UP and non-ll/sc 724 CPUs, and is used by the libc, amongst others. 725 726 For additional information, design information can be found 727 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. 728 729 This should only be disabled for special cases where alternate 730 atomicity implementations exist. 731 732config GUSA_RB 733 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" 734 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) 735 help 736 Enabling this option will allow the kernel to implement some 737 atomic operations using a software implementation of load-locked/ 738 store-conditional (LLSC). On machines which do not have hardware 739 LLSC, this should be more efficient than the other alternative of 740 disabling interrupts around the atomic sequence. 741 742source "drivers/sh/Kconfig" 743 744endmenu 745 746menu "Boot options" 747 748config ZERO_PAGE_OFFSET 749 hex 750 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ 751 SH_7751_SOLUTION_ENGINE 752 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 753 default "0x00002000" if PAGE_SIZE_8KB 754 default "0x00001000" 755 help 756 This sets the default offset of zero page. 757 758config BOOT_LINK_OFFSET 759 hex 760 default "0x00210000" if SH_SHMIN 761 default "0x00400000" if SH_CAYMAN 762 default "0x00810000" if SH_7780_SOLUTION_ENGINE 763 default "0x009e0000" if SH_TITAN 764 default "0x01800000" if SH_SDK7780 765 default "0x02000000" if SH_EDOSK7760 766 default "0x00800000" 767 help 768 This option allows you to set the link address offset of the zImage. 769 This can be useful if you are on a board which has a small amount of 770 memory. 771 772config ENTRY_OFFSET 773 hex 774 default "0x00001000" if PAGE_SIZE_4KB 775 default "0x00002000" if PAGE_SIZE_8KB 776 default "0x00004000" if PAGE_SIZE_16KB 777 default "0x00010000" if PAGE_SIZE_64KB 778 default "0x00000000" 779 780config ROMIMAGE_MMCIF 781 bool "Include MMCIF loader in romImage (EXPERIMENTAL)" 782 depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL 783 help 784 Say Y here to include experimental MMCIF loading code in 785 romImage. With this enabled it is possible to write the romImage 786 kernel image to an MMC card and boot the kernel straight from 787 the reset vector. At reset the processor Mask ROM will load the 788 first part of the romImage which in turn loads the rest the kernel 789 image to RAM using the MMCIF hardware block. 790 791choice 792 prompt "Kernel command line" 793 optional 794 default CMDLINE_OVERWRITE 795 help 796 Setting this option allows the kernel command line arguments 797 to be set. 798 799config CMDLINE_OVERWRITE 800 bool "Overwrite bootloader kernel arguments" 801 help 802 Given string will overwrite any arguments passed in by 803 a bootloader. 804 805config CMDLINE_EXTEND 806 bool "Extend bootloader kernel arguments" 807 help 808 Given string will be concatenated with arguments passed in 809 by a bootloader. 810 811endchoice 812 813config CMDLINE 814 string "Kernel command line arguments string" 815 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND 816 default "console=ttySC1,115200" 817 818endmenu 819 820menu "Bus options" 821 822config SUPERHYWAY 823 tristate "SuperHyway Bus support" 824 depends on CPU_SUBTYPE_SH4_202 825 826config MAPLE 827 bool "Maple Bus support" 828 depends on SH_DREAMCAST 829 help 830 The Maple Bus is SEGA's serial communication bus for peripherals 831 on the Dreamcast. Without this bus support you won't be able to 832 get your Dreamcast keyboard etc to work, so most users 833 probably want to say 'Y' here, unless you are only using the 834 Dreamcast with a serial line terminal or a remote network 835 connection. 836 837config PCI 838 bool "PCI support" 839 depends on SYS_SUPPORTS_PCI 840 select PCI_DOMAINS 841 help 842 Find out whether you have a PCI motherboard. PCI is the name of a 843 bus system, i.e. the way the CPU talks to the other stuff inside 844 your box. If you have PCI, say Y, otherwise N. 845 846config PCI_DOMAINS 847 bool 848 849source "drivers/pci/pcie/Kconfig" 850 851source "drivers/pci/Kconfig" 852 853source "drivers/pcmcia/Kconfig" 854 855source "drivers/pci/hotplug/Kconfig" 856 857endmenu 858 859menu "Executable file formats" 860 861source "fs/Kconfig.binfmt" 862 863endmenu 864 865menu "Power management options (EXPERIMENTAL)" 866depends on EXPERIMENTAL 867 868source "kernel/power/Kconfig" 869 870source "drivers/cpuidle/Kconfig" 871 872endmenu 873 874source "net/Kconfig" 875 876source "drivers/Kconfig" 877 878source "fs/Kconfig" 879 880source "arch/sh/Kconfig.debug" 881 882source "security/Kconfig" 883 884source "crypto/Kconfig" 885 886menuconfig VIRTUALIZATION 887 bool "Virtualization" 888 default n 889 ---help--- 890 Say Y here to get to see options for using your Linux host to run other 891 operating systems inside virtual machines (guests). 892 This option alone does not add any kernel code. 893 894 If you say N, all options in this submenu will be skipped and disabled. 895 896if VIRTUALIZATION 897 898source drivers/virtio/Kconfig 899 900endif # VIRTUALIZATION 901 902source "lib/Kconfig" 903