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 select ARCH_REQUIRE_GPIOLIB 470 471# SH4AL-DSP Processor Support 472 473config CPU_SUBTYPE_SH7343 474 bool "Support SH7343 processor" 475 select CPU_SH4AL_DSP 476 select ARCH_SHMOBILE 477 select SYS_SUPPORTS_CMT 478 479config CPU_SUBTYPE_SH7722 480 bool "Support SH7722 processor" 481 select CPU_SH4AL_DSP 482 select CPU_SHX2 483 select ARCH_SHMOBILE 484 select ARCH_SPARSEMEM_ENABLE 485 select SYS_SUPPORTS_NUMA 486 select SYS_SUPPORTS_CMT 487 488config CPU_SUBTYPE_SH7366 489 bool "Support SH7366 processor" 490 select CPU_SH4AL_DSP 491 select CPU_SHX2 492 select ARCH_SHMOBILE 493 select ARCH_SPARSEMEM_ENABLE 494 select SYS_SUPPORTS_NUMA 495 select SYS_SUPPORTS_CMT 496 497endchoice 498 499endif 500 501if SUPERH64 502 503choice 504 prompt "Processor sub-type selection" 505 506# SH-5 Processor Support 507 508config CPU_SUBTYPE_SH5_101 509 bool "Support SH5-101 processor" 510 select CPU_SH5 511 512config CPU_SUBTYPE_SH5_103 513 bool "Support SH5-103 processor" 514 select CPU_SH5 515 516endchoice 517 518endif 519 520source "arch/sh/mm/Kconfig" 521 522source "arch/sh/Kconfig.cpu" 523 524source "arch/sh/boards/Kconfig" 525 526menu "Timer and clock configuration" 527 528config SH_TIMER_TMU 529 bool "TMU timer driver" 530 depends on SYS_SUPPORTS_TMU 531 default y 532 help 533 This enables the build of the TMU timer driver. 534 535config SH_TIMER_CMT 536 bool "CMT timer driver" 537 depends on SYS_SUPPORTS_CMT 538 default y 539 help 540 This enables build of the CMT timer driver. 541 542config SH_TIMER_MTU2 543 bool "MTU2 timer driver" 544 depends on SYS_SUPPORTS_MTU2 545 default y 546 help 547 This enables build of the MTU2 timer driver. 548 549config SH_PCLK_FREQ 550 int "Peripheral clock frequency (in Hz)" 551 depends on SH_CLK_CPG_LEGACY 552 default "31250000" if CPU_SUBTYPE_SH7619 553 default "33333333" if CPU_SUBTYPE_SH7770 || \ 554 CPU_SUBTYPE_SH7760 || \ 555 CPU_SUBTYPE_SH7705 || \ 556 CPU_SUBTYPE_SH7203 || \ 557 CPU_SUBTYPE_SH7206 || \ 558 CPU_SUBTYPE_SH7263 || \ 559 CPU_SUBTYPE_MXG 560 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R 561 default "66000000" if CPU_SUBTYPE_SH4_202 562 default "50000000" 563 help 564 This option is used to specify the peripheral clock frequency. 565 This is necessary for determining the reference clock value on 566 platforms lacking an RTC. 567 568config SH_CLK_CPG 569 def_bool y 570 571config SH_CLK_CPG_LEGACY 572 depends on SH_CLK_CPG 573 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \ 574 !CPU_SHX3 && !CPU_SUBTYPE_SH7757 575 576config SH_CLK_MD 577 int "CPU Mode Pin Setting" 578 depends on CPU_SH2 579 default 6 if CPU_SUBTYPE_SH7206 580 default 5 if CPU_SUBTYPE_SH7619 581 default 0 582 help 583 MD2 - MD0 pin setting. 584 585source "kernel/time/Kconfig" 586 587endmenu 588 589menu "CPU Frequency scaling" 590 591source "drivers/cpufreq/Kconfig" 592 593config SH_CPU_FREQ 594 tristate "SuperH CPU Frequency driver" 595 depends on CPU_FREQ 596 select CPU_FREQ_TABLE 597 help 598 This adds the cpufreq driver for SuperH. Any CPU that supports 599 clock rate rounding through the clock framework can use this 600 driver. While it will make the kernel slightly larger, this is 601 harmless for CPUs that don't support rate rounding. The driver 602 will also generate a notice in the boot log before disabling 603 itself if the CPU in question is not capable of rate rounding. 604 605 For details, take a look at <file:Documentation/cpu-freq>. 606 607 If unsure, say N. 608 609endmenu 610 611source "arch/sh/drivers/Kconfig" 612 613endmenu 614 615menu "Kernel features" 616 617source kernel/Kconfig.hz 618 619config KEXEC 620 bool "kexec system call (EXPERIMENTAL)" 621 depends on SUPERH32 && EXPERIMENTAL && MMU 622 help 623 kexec is a system call that implements the ability to shutdown your 624 current kernel, and to start another kernel. It is like a reboot 625 but it is independent of the system firmware. And like a reboot 626 you can start any kernel with it, not just Linux. 627 628 The name comes from the similarity to the exec system call. 629 630 It is an ongoing process to be certain the hardware in a machine 631 is properly shutdown, so do not be surprised if this code does not 632 initially work for you. It may help to enable device hotplugging 633 support. As of this writing the exact hardware interface is 634 strongly in flux, so no good recommendation can be made. 635 636config CRASH_DUMP 637 bool "kernel crash dumps (EXPERIMENTAL)" 638 depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP 639 help 640 Generate crash dump after being started by kexec. 641 This should be normally only set in special crash dump kernels 642 which are loaded in the main kernel with kexec-tools into 643 a specially reserved region and then later executed after 644 a crash by kdump/kexec. The crash dump kernel must be compiled 645 to a memory address not used by the main kernel using 646 MEMORY_START. 647 648 For more details see Documentation/kdump/kdump.txt 649 650config KEXEC_JUMP 651 bool "kexec jump (EXPERIMENTAL)" 652 depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL 653 help 654 Jump between original kernel and kexeced kernel and invoke 655 code via KEXEC 656 657config SECCOMP 658 bool "Enable seccomp to safely compute untrusted bytecode" 659 depends on PROC_FS 660 help 661 This kernel feature is useful for number crunching applications 662 that may need to compute untrusted bytecode during their 663 execution. By using pipes or other transports made available to 664 the process as file descriptors supporting the read/write 665 syscalls, it's possible to isolate those applications in 666 their own address space using seccomp. Once seccomp is 667 enabled via prctl, it cannot be disabled and the task is only 668 allowed to execute a few safe syscalls defined by each seccomp 669 mode. 670 671 If unsure, say N. 672 673config SMP 674 bool "Symmetric multi-processing support" 675 depends on SYS_SUPPORTS_SMP 676 select USE_GENERIC_SMP_HELPERS 677 ---help--- 678 This enables support for systems with more than one CPU. If you have 679 a system with only one CPU, like most personal computers, say N. If 680 you have a system with more than one CPU, say Y. 681 682 If you say N here, the kernel will run on single and multiprocessor 683 machines, but will use only one CPU of a multiprocessor machine. If 684 you say Y here, the kernel will run on many, but not all, 685 singleprocessor machines. On a singleprocessor machine, the kernel 686 will run faster if you say N here. 687 688 People using multiprocessor machines who say Y here should also say 689 Y to "Enhanced Real Time Clock Support", below. 690 691 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 692 available at <http://www.tldp.org/docs.html#howto>. 693 694 If you don't know what to do here, say N. 695 696config NR_CPUS 697 int "Maximum number of CPUs (2-32)" 698 range 2 32 699 depends on SMP 700 default "4" if CPU_SUBTYPE_SHX3 701 default "2" 702 help 703 This allows you to specify the maximum number of CPUs which this 704 kernel will support. The maximum supported value is 32 and the 705 minimum value which makes sense is 2. 706 707 This is purely to save memory - each supported CPU adds 708 approximately eight kilobytes to the kernel image. 709 710config HOTPLUG_CPU 711 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" 712 depends on SMP && HOTPLUG && EXPERIMENTAL 713 help 714 Say Y here to experiment with turning CPUs off and on. CPUs 715 can be controlled through /sys/devices/system/cpu. 716 717source "kernel/Kconfig.preempt" 718 719config GUSA 720 def_bool y 721 depends on !SMP && SUPERH32 722 help 723 This enables support for gUSA (general UserSpace Atomicity). 724 This is the default implementation for both UP and non-ll/sc 725 CPUs, and is used by the libc, amongst others. 726 727 For additional information, design information can be found 728 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. 729 730 This should only be disabled for special cases where alternate 731 atomicity implementations exist. 732 733config GUSA_RB 734 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" 735 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) 736 help 737 Enabling this option will allow the kernel to implement some 738 atomic operations using a software implementation of load-locked/ 739 store-conditional (LLSC). On machines which do not have hardware 740 LLSC, this should be more efficient than the other alternative of 741 disabling interrupts around the atomic sequence. 742 743source "drivers/sh/Kconfig" 744 745endmenu 746 747menu "Boot options" 748 749config ZERO_PAGE_OFFSET 750 hex 751 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ 752 SH_7751_SOLUTION_ENGINE 753 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 754 default "0x00002000" if PAGE_SIZE_8KB 755 default "0x00001000" 756 help 757 This sets the default offset of zero page. 758 759config BOOT_LINK_OFFSET 760 hex 761 default "0x00210000" if SH_SHMIN 762 default "0x00400000" if SH_CAYMAN 763 default "0x00810000" if SH_7780_SOLUTION_ENGINE 764 default "0x009e0000" if SH_TITAN 765 default "0x01800000" if SH_SDK7780 766 default "0x02000000" if SH_EDOSK7760 767 default "0x00800000" 768 help 769 This option allows you to set the link address offset of the zImage. 770 This can be useful if you are on a board which has a small amount of 771 memory. 772 773config ENTRY_OFFSET 774 hex 775 default "0x00001000" if PAGE_SIZE_4KB 776 default "0x00002000" if PAGE_SIZE_8KB 777 default "0x00004000" if PAGE_SIZE_16KB 778 default "0x00010000" if PAGE_SIZE_64KB 779 default "0x00000000" 780 781config ROMIMAGE_MMCIF 782 bool "Include MMCIF loader in romImage (EXPERIMENTAL)" 783 depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL 784 help 785 Say Y here to include experimental MMCIF loading code in 786 romImage. With this enabled it is possible to write the romImage 787 kernel image to an MMC card and boot the kernel straight from 788 the reset vector. At reset the processor Mask ROM will load the 789 first part of the romImage which in turn loads the rest the kernel 790 image to RAM using the MMCIF hardware block. 791 792choice 793 prompt "Kernel command line" 794 optional 795 default CMDLINE_OVERWRITE 796 help 797 Setting this option allows the kernel command line arguments 798 to be set. 799 800config CMDLINE_OVERWRITE 801 bool "Overwrite bootloader kernel arguments" 802 help 803 Given string will overwrite any arguments passed in by 804 a bootloader. 805 806config CMDLINE_EXTEND 807 bool "Extend bootloader kernel arguments" 808 help 809 Given string will be concatenated with arguments passed in 810 by a bootloader. 811 812endchoice 813 814config CMDLINE 815 string "Kernel command line arguments string" 816 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND 817 default "console=ttySC1,115200" 818 819endmenu 820 821menu "Bus options" 822 823config SUPERHYWAY 824 tristate "SuperHyway Bus support" 825 depends on CPU_SUBTYPE_SH4_202 826 827config MAPLE 828 bool "Maple Bus support" 829 depends on SH_DREAMCAST 830 help 831 The Maple Bus is SEGA's serial communication bus for peripherals 832 on the Dreamcast. Without this bus support you won't be able to 833 get your Dreamcast keyboard etc to work, so most users 834 probably want to say 'Y' here, unless you are only using the 835 Dreamcast with a serial line terminal or a remote network 836 connection. 837 838config PCI 839 bool "PCI support" 840 depends on SYS_SUPPORTS_PCI 841 select PCI_DOMAINS 842 help 843 Find out whether you have a PCI motherboard. PCI is the name of a 844 bus system, i.e. the way the CPU talks to the other stuff inside 845 your box. If you have PCI, say Y, otherwise N. 846 847config PCI_DOMAINS 848 bool 849 850source "drivers/pci/pcie/Kconfig" 851 852source "drivers/pci/Kconfig" 853 854source "drivers/pcmcia/Kconfig" 855 856source "drivers/pci/hotplug/Kconfig" 857 858endmenu 859 860menu "Executable file formats" 861 862source "fs/Kconfig.binfmt" 863 864endmenu 865 866menu "Power management options (EXPERIMENTAL)" 867depends on EXPERIMENTAL 868 869source "kernel/power/Kconfig" 870 871source "drivers/cpuidle/Kconfig" 872 873endmenu 874 875source "net/Kconfig" 876 877source "drivers/Kconfig" 878 879source "fs/Kconfig" 880 881source "arch/sh/Kconfig.debug" 882 883source "security/Kconfig" 884 885source "crypto/Kconfig" 886 887menuconfig VIRTUALIZATION 888 bool "Virtualization" 889 default n 890 ---help--- 891 Say Y here to get to see options for using your Linux host to run other 892 operating systems inside virtual machines (guests). 893 This option alone does not add any kernel code. 894 895 If you say N, all options in this submenu will be skipped and disabled. 896 897if VIRTUALIZATION 898 899source drivers/virtio/Kconfig 900 901endif # VIRTUALIZATION 902 903source "lib/Kconfig" 904