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