Kconfig 20 KB

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