Kconfig 20 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. mainmenu "Linux/SuperH Kernel Configuration"
  6. config SUPERH
  7. def_bool y
  8. select EMBEDDED
  9. select HAVE_CLK
  10. select HAVE_IDE if HAS_IOPORT
  11. select HAVE_MEMBLOCK
  12. select HAVE_OPROFILE
  13. select HAVE_GENERIC_DMA_COHERENT
  14. select HAVE_ARCH_TRACEHOOK
  15. select HAVE_DMA_API_DEBUG
  16. select HAVE_DMA_ATTRS
  17. select HAVE_IRQ_WORK
  18. select HAVE_PERF_EVENTS
  19. select PERF_USE_VMALLOC
  20. select HAVE_KERNEL_GZIP
  21. select HAVE_KERNEL_BZIP2
  22. select HAVE_KERNEL_LZMA
  23. select HAVE_KERNEL_LZO
  24. select HAVE_SYSCALL_TRACEPOINTS
  25. select RTC_LIB
  26. select GENERIC_ATOMIC64
  27. help
  28. The SuperH is a RISC processor targeted for use in embedded systems
  29. and consumer electronics; it was also used in the Sega Dreamcast
  30. gaming console. The SuperH port has a home page at
  31. <http://www.linux-sh.org/>.
  32. config SUPERH32
  33. def_bool ARCH = "sh"
  34. select HAVE_KPROBES
  35. select HAVE_KRETPROBES
  36. select HAVE_IOREMAP_PROT if MMU && !X2TLB
  37. select HAVE_FUNCTION_TRACER
  38. select HAVE_FTRACE_MCOUNT_RECORD
  39. select HAVE_DYNAMIC_FTRACE
  40. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  41. select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
  42. select HAVE_FUNCTION_GRAPH_TRACER
  43. select HAVE_ARCH_KGDB
  44. select HAVE_HW_BREAKPOINT
  45. select HAVE_MIXED_BREAKPOINTS_REGS
  46. select PERF_EVENTS if HAVE_HW_BREAKPOINT
  47. select ARCH_HIBERNATION_POSSIBLE if MMU
  48. config SUPERH64
  49. def_bool ARCH = "sh64"
  50. config ARCH_DEFCONFIG
  51. string
  52. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  53. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  54. config RWSEM_GENERIC_SPINLOCK
  55. def_bool y
  56. config RWSEM_XCHGADD_ALGORITHM
  57. bool
  58. config GENERIC_BUG
  59. def_bool y
  60. depends on BUG && SUPERH32
  61. config GENERIC_CSUM
  62. def_bool y
  63. depends on SUPERH64
  64. config GENERIC_FIND_NEXT_BIT
  65. def_bool y
  66. config GENERIC_HWEIGHT
  67. def_bool y
  68. config GENERIC_HARDIRQS
  69. def_bool y
  70. config GENERIC_HARDIRQS_NO__DO_IRQ
  71. def_bool y
  72. config IRQ_PER_CPU
  73. def_bool y
  74. config SPARSE_IRQ
  75. def_bool y
  76. depends on SUPERH32
  77. config GENERIC_GPIO
  78. def_bool n
  79. config GENERIC_CALIBRATE_DELAY
  80. bool
  81. config GENERIC_IOMAP
  82. bool
  83. config GENERIC_CLOCKEVENTS
  84. def_bool y
  85. config GENERIC_CLOCKEVENTS_BROADCAST
  86. bool
  87. config GENERIC_CMOS_UPDATE
  88. def_bool y
  89. depends on SH_SH03 || SH_DREAMCAST
  90. config GENERIC_LOCKBREAK
  91. def_bool y
  92. depends on SMP && PREEMPT
  93. config SYS_SUPPORTS_PM
  94. bool
  95. depends on !SMP
  96. config ARCH_SUSPEND_POSSIBLE
  97. def_bool n
  98. config ARCH_HIBERNATION_POSSIBLE
  99. def_bool n
  100. config SYS_SUPPORTS_APM_EMULATION
  101. bool
  102. select ARCH_SUSPEND_POSSIBLE
  103. config SYS_SUPPORTS_HUGETLBFS
  104. bool
  105. config SYS_SUPPORTS_SMP
  106. bool
  107. config SYS_SUPPORTS_NUMA
  108. bool
  109. config SYS_SUPPORTS_PCI
  110. bool
  111. config SYS_SUPPORTS_CMT
  112. bool
  113. config SYS_SUPPORTS_MTU2
  114. bool
  115. config SYS_SUPPORTS_TMU
  116. bool
  117. config STACKTRACE_SUPPORT
  118. def_bool y
  119. config LOCKDEP_SUPPORT
  120. def_bool y
  121. config HAVE_LATENCYTOP_SUPPORT
  122. def_bool y
  123. config ARCH_HAS_ILOG2_U32
  124. def_bool n
  125. config ARCH_HAS_ILOG2_U64
  126. def_bool n
  127. config ARCH_NO_VIRT_TO_BUS
  128. def_bool y
  129. config ARCH_HAS_DEFAULT_IDLE
  130. def_bool y
  131. config ARCH_HAS_CPU_IDLE_WAIT
  132. def_bool y
  133. config NO_IOPORT
  134. bool
  135. config IO_TRAPPED
  136. bool
  137. config DMA_COHERENT
  138. bool
  139. config DMA_NONCOHERENT
  140. def_bool !DMA_COHERENT
  141. config NEED_DMA_MAP_STATE
  142. def_bool DMA_NONCOHERENT
  143. config NEED_SG_DMA_LENGTH
  144. def_bool y
  145. source "init/Kconfig"
  146. source "kernel/Kconfig.freezer"
  147. menu "System type"
  148. #
  149. # Processor families
  150. #
  151. config CPU_SH2
  152. bool
  153. config CPU_SH2A
  154. bool
  155. select CPU_SH2
  156. config CPU_SH3
  157. bool
  158. select CPU_HAS_INTEVT
  159. select CPU_HAS_SR_RB
  160. select SYS_SUPPORTS_TMU
  161. config CPU_SH4
  162. bool
  163. select CPU_HAS_INTEVT
  164. select CPU_HAS_SR_RB
  165. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  166. select SYS_SUPPORTS_TMU
  167. select SYS_SUPPORTS_HUGETLBFS if MMU
  168. config CPU_SH4A
  169. bool
  170. select CPU_SH4
  171. config CPU_SH4AL_DSP
  172. bool
  173. select CPU_SH4A
  174. select CPU_HAS_DSP
  175. config CPU_SH5
  176. bool
  177. select CPU_HAS_FPU
  178. select SYS_SUPPORTS_TMU
  179. select SYS_SUPPORTS_HUGETLBFS if MMU
  180. config CPU_SHX2
  181. bool
  182. config CPU_SHX3
  183. bool
  184. select DMA_COHERENT
  185. select SYS_SUPPORTS_SMP
  186. select SYS_SUPPORTS_NUMA
  187. config ARCH_SHMOBILE
  188. bool
  189. select ARCH_SUSPEND_POSSIBLE
  190. select PM
  191. select PM_RUNTIME
  192. config CPU_HAS_PMU
  193. depends on CPU_SH4 || CPU_SH4A
  194. default y
  195. bool
  196. if SUPERH32
  197. choice
  198. prompt "Processor sub-type selection"
  199. #
  200. # Processor subtypes
  201. #
  202. # SH-2 Processor Support
  203. config CPU_SUBTYPE_SH7619
  204. bool "Support SH7619 processor"
  205. select CPU_SH2
  206. select SYS_SUPPORTS_CMT
  207. # SH-2A Processor Support
  208. config CPU_SUBTYPE_SH7201
  209. bool "Support SH7201 processor"
  210. select CPU_SH2A
  211. select CPU_HAS_FPU
  212. select SYS_SUPPORTS_MTU2
  213. config CPU_SUBTYPE_SH7203
  214. bool "Support SH7203 processor"
  215. select CPU_SH2A
  216. select CPU_HAS_FPU
  217. select SYS_SUPPORTS_CMT
  218. select SYS_SUPPORTS_MTU2
  219. config CPU_SUBTYPE_SH7206
  220. bool "Support SH7206 processor"
  221. select CPU_SH2A
  222. select SYS_SUPPORTS_CMT
  223. select SYS_SUPPORTS_MTU2
  224. config CPU_SUBTYPE_SH7263
  225. bool "Support SH7263 processor"
  226. select CPU_SH2A
  227. select CPU_HAS_FPU
  228. select SYS_SUPPORTS_CMT
  229. select SYS_SUPPORTS_MTU2
  230. config CPU_SUBTYPE_MXG
  231. bool "Support MX-G processor"
  232. select CPU_SH2A
  233. select SYS_SUPPORTS_MTU2
  234. help
  235. Select MX-G if running on an R8A03022BG part.
  236. # SH-3 Processor Support
  237. config CPU_SUBTYPE_SH7705
  238. bool "Support SH7705 processor"
  239. select CPU_SH3
  240. config CPU_SUBTYPE_SH7706
  241. bool "Support SH7706 processor"
  242. select CPU_SH3
  243. help
  244. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  245. config CPU_SUBTYPE_SH7707
  246. bool "Support SH7707 processor"
  247. select CPU_SH3
  248. help
  249. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  250. config CPU_SUBTYPE_SH7708
  251. bool "Support SH7708 processor"
  252. select CPU_SH3
  253. help
  254. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  255. if you have a 100 Mhz SH-3 HD6417708R CPU.
  256. config CPU_SUBTYPE_SH7709
  257. bool "Support SH7709 processor"
  258. select CPU_SH3
  259. help
  260. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  261. config CPU_SUBTYPE_SH7710
  262. bool "Support SH7710 processor"
  263. select CPU_SH3
  264. select CPU_HAS_DSP
  265. help
  266. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  267. config CPU_SUBTYPE_SH7712
  268. bool "Support SH7712 processor"
  269. select CPU_SH3
  270. select CPU_HAS_DSP
  271. help
  272. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  273. config CPU_SUBTYPE_SH7720
  274. bool "Support SH7720 processor"
  275. select CPU_SH3
  276. select CPU_HAS_DSP
  277. select SYS_SUPPORTS_CMT
  278. help
  279. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  280. config CPU_SUBTYPE_SH7721
  281. bool "Support SH7721 processor"
  282. select CPU_SH3
  283. select CPU_HAS_DSP
  284. select SYS_SUPPORTS_CMT
  285. help
  286. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  287. # SH-4 Processor Support
  288. config CPU_SUBTYPE_SH7750
  289. bool "Support SH7750 processor"
  290. select CPU_SH4
  291. help
  292. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  293. config CPU_SUBTYPE_SH7091
  294. bool "Support SH7091 processor"
  295. select CPU_SH4
  296. help
  297. Select SH7091 if you have an SH-4 based Sega device (such as
  298. the Dreamcast, Naomi, and Naomi 2).
  299. config CPU_SUBTYPE_SH7750R
  300. bool "Support SH7750R processor"
  301. select CPU_SH4
  302. config CPU_SUBTYPE_SH7750S
  303. bool "Support SH7750S processor"
  304. select CPU_SH4
  305. config CPU_SUBTYPE_SH7751
  306. bool "Support SH7751 processor"
  307. select CPU_SH4
  308. help
  309. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  310. or if you have a HD6417751R CPU.
  311. config CPU_SUBTYPE_SH7751R
  312. bool "Support SH7751R processor"
  313. select CPU_SH4
  314. config CPU_SUBTYPE_SH7760
  315. bool "Support SH7760 processor"
  316. select CPU_SH4
  317. config CPU_SUBTYPE_SH4_202
  318. bool "Support SH4-202 processor"
  319. select CPU_SH4
  320. # SH-4A Processor Support
  321. config CPU_SUBTYPE_SH7723
  322. bool "Support SH7723 processor"
  323. select CPU_SH4A
  324. select CPU_SHX2
  325. select ARCH_SHMOBILE
  326. select ARCH_SPARSEMEM_ENABLE
  327. select SYS_SUPPORTS_CMT
  328. help
  329. Select SH7723 if you have an SH-MobileR2 CPU.
  330. config CPU_SUBTYPE_SH7724
  331. bool "Support SH7724 processor"
  332. select CPU_SH4A
  333. select CPU_SHX2
  334. select ARCH_SHMOBILE
  335. select ARCH_SPARSEMEM_ENABLE
  336. select SYS_SUPPORTS_CMT
  337. help
  338. Select SH7724 if you have an SH-MobileR2R CPU.
  339. config CPU_SUBTYPE_SH7757
  340. bool "Support SH7757 processor"
  341. select CPU_SH4A
  342. select CPU_SHX2
  343. help
  344. Select SH7757 if you have a SH4A SH7757 CPU.
  345. config CPU_SUBTYPE_SH7763
  346. bool "Support SH7763 processor"
  347. select CPU_SH4A
  348. help
  349. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  350. config CPU_SUBTYPE_SH7770
  351. bool "Support SH7770 processor"
  352. select CPU_SH4A
  353. config CPU_SUBTYPE_SH7780
  354. bool "Support SH7780 processor"
  355. select CPU_SH4A
  356. config CPU_SUBTYPE_SH7785
  357. bool "Support SH7785 processor"
  358. select CPU_SH4A
  359. select CPU_SHX2
  360. select ARCH_SPARSEMEM_ENABLE
  361. select SYS_SUPPORTS_NUMA
  362. config CPU_SUBTYPE_SH7786
  363. bool "Support SH7786 processor"
  364. select CPU_SH4A
  365. select CPU_SHX3
  366. select CPU_HAS_PTEAEX
  367. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  368. config CPU_SUBTYPE_SHX3
  369. bool "Support SH-X3 processor"
  370. select CPU_SH4A
  371. select CPU_SHX3
  372. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  373. # SH4AL-DSP Processor Support
  374. config CPU_SUBTYPE_SH7343
  375. bool "Support SH7343 processor"
  376. select CPU_SH4AL_DSP
  377. select ARCH_SHMOBILE
  378. select SYS_SUPPORTS_CMT
  379. config CPU_SUBTYPE_SH7722
  380. bool "Support SH7722 processor"
  381. select CPU_SH4AL_DSP
  382. select CPU_SHX2
  383. select ARCH_SHMOBILE
  384. select ARCH_SPARSEMEM_ENABLE
  385. select SYS_SUPPORTS_NUMA
  386. select SYS_SUPPORTS_CMT
  387. config CPU_SUBTYPE_SH7366
  388. bool "Support SH7366 processor"
  389. select CPU_SH4AL_DSP
  390. select CPU_SHX2
  391. select ARCH_SHMOBILE
  392. select ARCH_SPARSEMEM_ENABLE
  393. select SYS_SUPPORTS_NUMA
  394. select SYS_SUPPORTS_CMT
  395. endchoice
  396. endif
  397. if SUPERH64
  398. choice
  399. prompt "Processor sub-type selection"
  400. # SH-5 Processor Support
  401. config CPU_SUBTYPE_SH5_101
  402. bool "Support SH5-101 processor"
  403. select CPU_SH5
  404. config CPU_SUBTYPE_SH5_103
  405. bool "Support SH5-103 processor"
  406. select CPU_SH5
  407. endchoice
  408. endif
  409. source "arch/sh/mm/Kconfig"
  410. source "arch/sh/Kconfig.cpu"
  411. source "arch/sh/boards/Kconfig"
  412. menu "Timer and clock configuration"
  413. config SH_TIMER_TMU
  414. bool "TMU timer driver"
  415. depends on SYS_SUPPORTS_TMU
  416. default y
  417. help
  418. This enables the build of the TMU timer driver.
  419. config SH_TIMER_CMT
  420. bool "CMT timer driver"
  421. depends on SYS_SUPPORTS_CMT
  422. default y
  423. help
  424. This enables build of the CMT timer driver.
  425. config SH_TIMER_MTU2
  426. bool "MTU2 timer driver"
  427. depends on SYS_SUPPORTS_MTU2
  428. default y
  429. help
  430. This enables build of the MTU2 timer driver.
  431. config SH_PCLK_FREQ
  432. int "Peripheral clock frequency (in Hz)"
  433. depends on SH_CLK_CPG_LEGACY
  434. default "31250000" if CPU_SUBTYPE_SH7619
  435. default "33333333" if CPU_SUBTYPE_SH7770 || \
  436. CPU_SUBTYPE_SH7760 || \
  437. CPU_SUBTYPE_SH7705 || \
  438. CPU_SUBTYPE_SH7203 || \
  439. CPU_SUBTYPE_SH7206 || \
  440. CPU_SUBTYPE_SH7263 || \
  441. CPU_SUBTYPE_MXG
  442. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  443. default "66000000" if CPU_SUBTYPE_SH4_202
  444. default "50000000"
  445. help
  446. This option is used to specify the peripheral clock frequency.
  447. This is necessary for determining the reference clock value on
  448. platforms lacking an RTC.
  449. config SH_CLK_CPG
  450. def_bool y
  451. config SH_CLK_CPG_LEGACY
  452. depends on SH_CLK_CPG
  453. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
  454. !CPU_SUBTYPE_SH7786
  455. config SH_CLK_MD
  456. int "CPU Mode Pin Setting"
  457. depends on CPU_SH2
  458. default 6 if CPU_SUBTYPE_SH7206
  459. default 5 if CPU_SUBTYPE_SH7619
  460. default 0
  461. help
  462. MD2 - MD0 pin setting.
  463. source "kernel/time/Kconfig"
  464. endmenu
  465. menu "CPU Frequency scaling"
  466. source "drivers/cpufreq/Kconfig"
  467. config SH_CPU_FREQ
  468. tristate "SuperH CPU Frequency driver"
  469. depends on CPU_FREQ
  470. select CPU_FREQ_TABLE
  471. help
  472. This adds the cpufreq driver for SuperH. Any CPU that supports
  473. clock rate rounding through the clock framework can use this
  474. driver. While it will make the kernel slightly larger, this is
  475. harmless for CPUs that don't support rate rounding. The driver
  476. will also generate a notice in the boot log before disabling
  477. itself if the CPU in question is not capable of rate rounding.
  478. For details, take a look at <file:Documentation/cpu-freq>.
  479. If unsure, say N.
  480. endmenu
  481. source "arch/sh/drivers/Kconfig"
  482. endmenu
  483. menu "Kernel features"
  484. source kernel/Kconfig.hz
  485. config KEXEC
  486. bool "kexec system call (EXPERIMENTAL)"
  487. depends on SUPERH32 && EXPERIMENTAL && MMU
  488. help
  489. kexec is a system call that implements the ability to shutdown your
  490. current kernel, and to start another kernel. It is like a reboot
  491. but it is independent of the system firmware. And like a reboot
  492. you can start any kernel with it, not just Linux.
  493. The name comes from the similarity to the exec system call.
  494. It is an ongoing process to be certain the hardware in a machine
  495. is properly shutdown, so do not be surprised if this code does not
  496. initially work for you. It may help to enable device hotplugging
  497. support. As of this writing the exact hardware interface is
  498. strongly in flux, so no good recommendation can be made.
  499. config CRASH_DUMP
  500. bool "kernel crash dumps (EXPERIMENTAL)"
  501. depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP
  502. help
  503. Generate crash dump after being started by kexec.
  504. This should be normally only set in special crash dump kernels
  505. which are loaded in the main kernel with kexec-tools into
  506. a specially reserved region and then later executed after
  507. a crash by kdump/kexec. The crash dump kernel must be compiled
  508. to a memory address not used by the main kernel using
  509. MEMORY_START.
  510. For more details see Documentation/kdump/kdump.txt
  511. config KEXEC_JUMP
  512. bool "kexec jump (EXPERIMENTAL)"
  513. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  514. help
  515. Jump between original kernel and kexeced kernel and invoke
  516. code via KEXEC
  517. config SECCOMP
  518. bool "Enable seccomp to safely compute untrusted bytecode"
  519. depends on PROC_FS
  520. help
  521. This kernel feature is useful for number crunching applications
  522. that may need to compute untrusted bytecode during their
  523. execution. By using pipes or other transports made available to
  524. the process as file descriptors supporting the read/write
  525. syscalls, it's possible to isolate those applications in
  526. their own address space using seccomp. Once seccomp is
  527. enabled via prctl, it cannot be disabled and the task is only
  528. allowed to execute a few safe syscalls defined by each seccomp
  529. mode.
  530. If unsure, say N.
  531. config SMP
  532. bool "Symmetric multi-processing support"
  533. depends on SYS_SUPPORTS_SMP
  534. select USE_GENERIC_SMP_HELPERS
  535. ---help---
  536. This enables support for systems with more than one CPU. If you have
  537. a system with only one CPU, like most personal computers, say N. If
  538. you have a system with more than one CPU, say Y.
  539. If you say N here, the kernel will run on single and multiprocessor
  540. machines, but will use only one CPU of a multiprocessor machine. If
  541. you say Y here, the kernel will run on many, but not all,
  542. singleprocessor machines. On a singleprocessor machine, the kernel
  543. will run faster if you say N here.
  544. People using multiprocessor machines who say Y here should also say
  545. Y to "Enhanced Real Time Clock Support", below.
  546. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  547. available at <http://www.tldp.org/docs.html#howto>.
  548. If you don't know what to do here, say N.
  549. config NR_CPUS
  550. int "Maximum number of CPUs (2-32)"
  551. range 2 32
  552. depends on SMP
  553. default "4" if CPU_SUBTYPE_SHX3
  554. default "2"
  555. help
  556. This allows you to specify the maximum number of CPUs which this
  557. kernel will support. The maximum supported value is 32 and the
  558. minimum value which makes sense is 2.
  559. This is purely to save memory - each supported CPU adds
  560. approximately eight kilobytes to the kernel image.
  561. config HOTPLUG_CPU
  562. bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
  563. depends on SMP && HOTPLUG && EXPERIMENTAL
  564. help
  565. Say Y here to experiment with turning CPUs off and on. CPUs
  566. can be controlled through /sys/devices/system/cpu.
  567. source "kernel/Kconfig.preempt"
  568. config GUSA
  569. def_bool y
  570. depends on !SMP && SUPERH32
  571. help
  572. This enables support for gUSA (general UserSpace Atomicity).
  573. This is the default implementation for both UP and non-ll/sc
  574. CPUs, and is used by the libc, amongst others.
  575. For additional information, design information can be found
  576. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  577. This should only be disabled for special cases where alternate
  578. atomicity implementations exist.
  579. config GUSA_RB
  580. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  581. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  582. help
  583. Enabling this option will allow the kernel to implement some
  584. atomic operations using a software implementation of load-locked/
  585. store-conditional (LLSC). On machines which do not have hardware
  586. LLSC, this should be more efficient than the other alternative of
  587. disabling interrupts around the atomic sequence.
  588. config HW_PERF_EVENTS
  589. bool "Enable hardware performance counter support for perf events"
  590. depends on PERF_EVENTS && CPU_HAS_PMU
  591. default y
  592. help
  593. Enable hardware performance counter support for perf events. If
  594. disabled, perf events will use software events only.
  595. source "drivers/sh/Kconfig"
  596. endmenu
  597. menu "Boot options"
  598. config ZERO_PAGE_OFFSET
  599. hex
  600. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  601. SH_7751_SOLUTION_ENGINE
  602. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  603. default "0x00002000" if PAGE_SIZE_8KB
  604. default "0x00001000"
  605. help
  606. This sets the default offset of zero page.
  607. config BOOT_LINK_OFFSET
  608. hex
  609. default "0x00210000" if SH_SHMIN
  610. default "0x00400000" if SH_CAYMAN
  611. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  612. default "0x009e0000" if SH_TITAN
  613. default "0x01800000" if SH_SDK7780
  614. default "0x02000000" if SH_EDOSK7760
  615. default "0x00800000"
  616. help
  617. This option allows you to set the link address offset of the zImage.
  618. This can be useful if you are on a board which has a small amount of
  619. memory.
  620. config ENTRY_OFFSET
  621. hex
  622. default "0x00001000" if PAGE_SIZE_4KB
  623. default "0x00002000" if PAGE_SIZE_8KB
  624. default "0x00004000" if PAGE_SIZE_16KB
  625. default "0x00010000" if PAGE_SIZE_64KB
  626. default "0x00000000"
  627. config ROMIMAGE_MMCIF
  628. bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
  629. depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL
  630. help
  631. Say Y here to include experimental MMCIF loading code in
  632. romImage. With this enabled it is possible to write the romImage
  633. kernel image to an MMC card and boot the kernel straight from
  634. the reset vector. At reset the processor Mask ROM will load the
  635. first part of the romImage which in turn loads the rest the kernel
  636. image to RAM using the MMCIF hardware block.
  637. choice
  638. prompt "Kernel command line"
  639. optional
  640. default CMDLINE_OVERWRITE
  641. help
  642. Setting this option allows the kernel command line arguments
  643. to be set.
  644. config CMDLINE_OVERWRITE
  645. bool "Overwrite bootloader kernel arguments"
  646. help
  647. Given string will overwrite any arguments passed in by
  648. a bootloader.
  649. config CMDLINE_EXTEND
  650. bool "Extend bootloader kernel arguments"
  651. help
  652. Given string will be concatenated with arguments passed in
  653. by a bootloader.
  654. endchoice
  655. config CMDLINE
  656. string "Kernel command line arguments string"
  657. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  658. default "console=ttySC1,115200"
  659. endmenu
  660. menu "Bus options"
  661. config SUPERHYWAY
  662. tristate "SuperHyway Bus support"
  663. depends on CPU_SUBTYPE_SH4_202
  664. config MAPLE
  665. bool "Maple Bus support"
  666. depends on SH_DREAMCAST
  667. help
  668. The Maple Bus is SEGA's serial communication bus for peripherals
  669. on the Dreamcast. Without this bus support you won't be able to
  670. get your Dreamcast keyboard etc to work, so most users
  671. probably want to say 'Y' here, unless you are only using the
  672. Dreamcast with a serial line terminal or a remote network
  673. connection.
  674. config PCI
  675. bool "PCI support"
  676. depends on SYS_SUPPORTS_PCI
  677. select PCI_DOMAINS
  678. help
  679. Find out whether you have a PCI motherboard. PCI is the name of a
  680. bus system, i.e. the way the CPU talks to the other stuff inside
  681. your box. If you have PCI, say Y, otherwise N.
  682. config PCI_DOMAINS
  683. bool
  684. source "drivers/pci/pcie/Kconfig"
  685. source "drivers/pci/Kconfig"
  686. source "drivers/pcmcia/Kconfig"
  687. source "drivers/pci/hotplug/Kconfig"
  688. endmenu
  689. menu "Executable file formats"
  690. source "fs/Kconfig.binfmt"
  691. endmenu
  692. menu "Power management options (EXPERIMENTAL)"
  693. depends on EXPERIMENTAL
  694. source "kernel/power/Kconfig"
  695. source "drivers/cpuidle/Kconfig"
  696. endmenu
  697. source "net/Kconfig"
  698. source "drivers/Kconfig"
  699. source "fs/Kconfig"
  700. source "arch/sh/Kconfig.debug"
  701. source "security/Kconfig"
  702. source "crypto/Kconfig"
  703. menuconfig VIRTUALIZATION
  704. bool "Virtualization"
  705. default n
  706. ---help---
  707. Say Y here to get to see options for using your Linux host to run other
  708. operating systems inside virtual machines (guests).
  709. This option alone does not add any kernel code.
  710. If you say N, all options in this submenu will be skipped and disabled.
  711. if VIRTUALIZATION
  712. source drivers/virtio/Kconfig
  713. endif # VIRTUALIZATION
  714. source "lib/Kconfig"