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