Kconfig 17 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
  11. select HAVE_OPROFILE
  12. select HAVE_GENERIC_DMA_COHERENT
  13. help
  14. The SuperH is a RISC processor targeted for use in embedded systems
  15. and consumer electronics; it was also used in the Sega Dreamcast
  16. gaming console. The SuperH port has a home page at
  17. <http://www.linux-sh.org/>.
  18. config SUPERH32
  19. def_bool !SUPERH64
  20. config SUPERH64
  21. def_bool y if CPU_SH5
  22. config ARCH_DEFCONFIG
  23. string
  24. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  25. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  26. config RWSEM_GENERIC_SPINLOCK
  27. def_bool y
  28. config RWSEM_XCHGADD_ALGORITHM
  29. bool
  30. config GENERIC_BUG
  31. def_bool y
  32. depends on BUG && SUPERH32
  33. config GENERIC_FIND_NEXT_BIT
  34. def_bool y
  35. config GENERIC_HWEIGHT
  36. def_bool y
  37. config GENERIC_HARDIRQS
  38. def_bool y
  39. config GENERIC_IRQ_PROBE
  40. def_bool y
  41. config GENERIC_CALIBRATE_DELAY
  42. def_bool y
  43. config GENERIC_IOMAP
  44. bool
  45. config GENERIC_TIME
  46. def_bool n
  47. config GENERIC_CLOCKEVENTS
  48. def_bool n
  49. config SYS_SUPPORTS_PM
  50. bool
  51. config SYS_SUPPORTS_APM_EMULATION
  52. bool
  53. select SYS_SUPPORTS_PM
  54. config SYS_SUPPORTS_SMP
  55. bool
  56. config SYS_SUPPORTS_NUMA
  57. bool
  58. config SYS_SUPPORTS_PCI
  59. bool
  60. config STACKTRACE_SUPPORT
  61. def_bool y
  62. config LOCKDEP_SUPPORT
  63. def_bool y
  64. config ARCH_HAS_ILOG2_U32
  65. def_bool n
  66. config ARCH_HAS_ILOG2_U64
  67. def_bool n
  68. config ARCH_NO_VIRT_TO_BUS
  69. def_bool y
  70. config ARCH_SUPPORTS_AOUT
  71. def_bool y
  72. config IO_TRAPPED
  73. bool
  74. source "init/Kconfig"
  75. menu "System type"
  76. #
  77. # Processor families
  78. #
  79. config CPU_SH2
  80. bool
  81. config CPU_SH2A
  82. bool
  83. select CPU_SH2
  84. config CPU_SH3
  85. bool
  86. select CPU_HAS_INTEVT
  87. select CPU_HAS_SR_RB
  88. config CPU_SH4
  89. bool
  90. select CPU_HAS_INTEVT
  91. select CPU_HAS_SR_RB
  92. select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
  93. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  94. config CPU_SH4A
  95. bool
  96. select CPU_SH4
  97. config CPU_SH4AL_DSP
  98. bool
  99. select CPU_SH4A
  100. select CPU_HAS_DSP
  101. config CPU_SH5
  102. bool
  103. select CPU_HAS_FPU
  104. config CPU_SHX2
  105. bool
  106. config CPU_SHX3
  107. bool
  108. choice
  109. prompt "Processor sub-type selection"
  110. #
  111. # Processor subtypes
  112. #
  113. # SH-2 Processor Support
  114. config CPU_SUBTYPE_SH7619
  115. bool "Support SH7619 processor"
  116. select CPU_SH2
  117. # SH-2A Processor Support
  118. config CPU_SUBTYPE_SH7203
  119. bool "Support SH7203 processor"
  120. select CPU_SH2A
  121. select CPU_HAS_FPU
  122. config CPU_SUBTYPE_SH7206
  123. bool "Support SH7206 processor"
  124. select CPU_SH2A
  125. config CPU_SUBTYPE_SH7263
  126. bool "Support SH7263 processor"
  127. select CPU_SH2A
  128. select CPU_HAS_FPU
  129. config CPU_SUBTYPE_MXG
  130. bool "Support MX-G processor"
  131. select CPU_SH2A
  132. help
  133. Select MX-G if running on an R8A03022BG part.
  134. # SH-3 Processor Support
  135. config CPU_SUBTYPE_SH7705
  136. bool "Support SH7705 processor"
  137. select CPU_SH3
  138. config CPU_SUBTYPE_SH7706
  139. bool "Support SH7706 processor"
  140. select CPU_SH3
  141. help
  142. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  143. config CPU_SUBTYPE_SH7707
  144. bool "Support SH7707 processor"
  145. select CPU_SH3
  146. help
  147. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  148. config CPU_SUBTYPE_SH7708
  149. bool "Support SH7708 processor"
  150. select CPU_SH3
  151. help
  152. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  153. if you have a 100 Mhz SH-3 HD6417708R CPU.
  154. config CPU_SUBTYPE_SH7709
  155. bool "Support SH7709 processor"
  156. select CPU_SH3
  157. help
  158. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  159. config CPU_SUBTYPE_SH7710
  160. bool "Support SH7710 processor"
  161. select CPU_SH3
  162. select CPU_HAS_DSP
  163. help
  164. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  165. config CPU_SUBTYPE_SH7712
  166. bool "Support SH7712 processor"
  167. select CPU_SH3
  168. select CPU_HAS_DSP
  169. help
  170. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  171. config CPU_SUBTYPE_SH7720
  172. bool "Support SH7720 processor"
  173. select CPU_SH3
  174. select CPU_HAS_DSP
  175. help
  176. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  177. config CPU_SUBTYPE_SH7721
  178. bool "Support SH7721 processor"
  179. select CPU_SH3
  180. select CPU_HAS_DSP
  181. help
  182. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  183. # SH-4 Processor Support
  184. config CPU_SUBTYPE_SH7750
  185. bool "Support SH7750 processor"
  186. select CPU_SH4
  187. help
  188. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  189. config CPU_SUBTYPE_SH7091
  190. bool "Support SH7091 processor"
  191. select CPU_SH4
  192. help
  193. Select SH7091 if you have an SH-4 based Sega device (such as
  194. the Dreamcast, Naomi, and Naomi 2).
  195. config CPU_SUBTYPE_SH7750R
  196. bool "Support SH7750R processor"
  197. select CPU_SH4
  198. config CPU_SUBTYPE_SH7750S
  199. bool "Support SH7750S processor"
  200. select CPU_SH4
  201. config CPU_SUBTYPE_SH7751
  202. bool "Support SH7751 processor"
  203. select CPU_SH4
  204. help
  205. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  206. or if you have a HD6417751R CPU.
  207. config CPU_SUBTYPE_SH7751R
  208. bool "Support SH7751R processor"
  209. select CPU_SH4
  210. config CPU_SUBTYPE_SH7760
  211. bool "Support SH7760 processor"
  212. select CPU_SH4
  213. config CPU_SUBTYPE_SH4_202
  214. bool "Support SH4-202 processor"
  215. select CPU_SH4
  216. # SH-4A Processor Support
  217. config CPU_SUBTYPE_SH7723
  218. bool "Support SH7723 processor"
  219. select CPU_SH4A
  220. select CPU_SHX2
  221. select ARCH_SPARSEMEM_ENABLE
  222. help
  223. Select SH7723 if you have an SH-MobileR2 CPU.
  224. config CPU_SUBTYPE_SH7763
  225. bool "Support SH7763 processor"
  226. select CPU_SH4A
  227. help
  228. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  229. config CPU_SUBTYPE_SH7770
  230. bool "Support SH7770 processor"
  231. select CPU_SH4A
  232. config CPU_SUBTYPE_SH7780
  233. bool "Support SH7780 processor"
  234. select CPU_SH4A
  235. config CPU_SUBTYPE_SH7785
  236. bool "Support SH7785 processor"
  237. select CPU_SH4A
  238. select CPU_SHX2
  239. select ARCH_SPARSEMEM_ENABLE
  240. select SYS_SUPPORTS_NUMA
  241. config CPU_SUBTYPE_SHX3
  242. bool "Support SH-X3 processor"
  243. select CPU_SH4A
  244. select CPU_SHX3
  245. select ARCH_SPARSEMEM_ENABLE
  246. select SYS_SUPPORTS_NUMA
  247. select SYS_SUPPORTS_SMP
  248. # SH4AL-DSP Processor Support
  249. config CPU_SUBTYPE_SH7343
  250. bool "Support SH7343 processor"
  251. select CPU_SH4AL_DSP
  252. config CPU_SUBTYPE_SH7722
  253. bool "Support SH7722 processor"
  254. select CPU_SH4AL_DSP
  255. select CPU_SHX2
  256. select ARCH_SPARSEMEM_ENABLE
  257. select SYS_SUPPORTS_NUMA
  258. config CPU_SUBTYPE_SH7366
  259. bool "Support SH7366 processor"
  260. select CPU_SH4AL_DSP
  261. select CPU_SHX2
  262. select ARCH_SPARSEMEM_ENABLE
  263. select SYS_SUPPORTS_NUMA
  264. # SH-5 Processor Support
  265. config CPU_SUBTYPE_SH5_101
  266. bool "Support SH5-101 processor"
  267. select CPU_SH5
  268. config CPU_SUBTYPE_SH5_103
  269. bool "Support SH5-103 processor"
  270. select CPU_SH5
  271. endchoice
  272. source "arch/sh/mm/Kconfig"
  273. source "arch/sh/Kconfig.cpu"
  274. source "arch/sh/boards/Kconfig"
  275. menu "Timer and clock configuration"
  276. config SH_TMU
  277. def_bool y
  278. prompt "TMU timer support"
  279. depends on CPU_SH3 || CPU_SH4
  280. select GENERIC_TIME
  281. select GENERIC_CLOCKEVENTS
  282. help
  283. This enables the use of the TMU as the system timer.
  284. config SH_CMT
  285. def_bool y
  286. prompt "CMT timer support"
  287. depends on CPU_SH2 && !CPU_SUBTYPE_MXG
  288. help
  289. This enables the use of the CMT as the system timer.
  290. config SH_MTU2
  291. def_bool n
  292. prompt "MTU2 timer support"
  293. depends on CPU_SH2A
  294. help
  295. This enables the use of the MTU2 as the system timer.
  296. config SH_TIMER_IRQ
  297. int
  298. default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
  299. CPU_SUBTYPE_SH7763
  300. default "86" if CPU_SUBTYPE_SH7619
  301. default "140" if CPU_SUBTYPE_SH7206
  302. default "142" if CPU_SUBTYPE_SH7203
  303. default "238" if CPU_SUBTYPE_MXG
  304. default "16"
  305. config SH_PCLK_FREQ
  306. int "Peripheral clock frequency (in Hz)"
  307. default "27000000" if CPU_SUBTYPE_SH7343
  308. default "31250000" if CPU_SUBTYPE_SH7619
  309. default "32000000" if CPU_SUBTYPE_SH7722
  310. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  311. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  312. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  313. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
  314. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  315. default "66000000" if CPU_SUBTYPE_SH4_202
  316. default "50000000"
  317. help
  318. This option is used to specify the peripheral clock frequency.
  319. This is necessary for determining the reference clock value on
  320. platforms lacking an RTC.
  321. config SH_CLK_MD
  322. int "CPU Mode Pin Setting"
  323. depends on CPU_SH2
  324. default 6 if CPU_SUBTYPE_SH7206
  325. default 5 if CPU_SUBTYPE_SH7619
  326. default 0
  327. help
  328. MD2 - MD0 pin setting.
  329. source "kernel/time/Kconfig"
  330. endmenu
  331. menu "CPU Frequency scaling"
  332. source "drivers/cpufreq/Kconfig"
  333. config SH_CPU_FREQ
  334. tristate "SuperH CPU Frequency driver"
  335. depends on CPU_FREQ
  336. select CPU_FREQ_TABLE
  337. help
  338. This adds the cpufreq driver for SuperH. At present, only
  339. the SH-4 is supported.
  340. For details, take a look at <file:Documentation/cpu-freq>.
  341. If unsure, say N.
  342. endmenu
  343. source "arch/sh/drivers/Kconfig"
  344. endmenu
  345. config ISA_DMA_API
  346. bool
  347. menu "Kernel features"
  348. source kernel/Kconfig.hz
  349. config KEXEC
  350. bool "kexec system call (EXPERIMENTAL)"
  351. depends on SUPERH32 && EXPERIMENTAL
  352. help
  353. kexec is a system call that implements the ability to shutdown your
  354. current kernel, and to start another kernel. It is like a reboot
  355. but it is independent of the system firmware. And like a reboot
  356. you can start any kernel with it, not just Linux.
  357. The name comes from the similarity to the exec system call.
  358. It is an ongoing process to be certain the hardware in a machine
  359. is properly shutdown, so do not be surprised if this code does not
  360. initially work for you. It may help to enable device hotplugging
  361. support. As of this writing the exact hardware interface is
  362. strongly in flux, so no good recommendation can be made.
  363. config CRASH_DUMP
  364. bool "kernel crash dumps (EXPERIMENTAL)"
  365. depends on SUPERH32 && EXPERIMENTAL
  366. help
  367. Generate crash dump after being started by kexec.
  368. This should be normally only set in special crash dump kernels
  369. which are loaded in the main kernel with kexec-tools into
  370. a specially reserved region and then later executed after
  371. a crash by kdump/kexec. The crash dump kernel must be compiled
  372. to a memory address not used by the main kernel using
  373. MEMORY_START.
  374. For more details see Documentation/kdump/kdump.txt
  375. config SMP
  376. bool "Symmetric multi-processing support"
  377. depends on SYS_SUPPORTS_SMP
  378. select USE_GENERIC_SMP_HELPERS
  379. ---help---
  380. This enables support for systems with more than one CPU. If you have
  381. a system with only one CPU, like most personal computers, say N. If
  382. you have a system with more than one CPU, say Y.
  383. If you say N here, the kernel will run on single and multiprocessor
  384. machines, but will use only one CPU of a multiprocessor machine. If
  385. you say Y here, the kernel will run on many, but not all,
  386. singleprocessor machines. On a singleprocessor machine, the kernel
  387. will run faster if you say N here.
  388. People using multiprocessor machines who say Y here should also say
  389. Y to "Enhanced Real Time Clock Support", below.
  390. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  391. available at <http://www.tldp.org/docs.html#howto>.
  392. If you don't know what to do here, say N.
  393. config NR_CPUS
  394. int "Maximum number of CPUs (2-32)"
  395. range 2 32
  396. depends on SMP
  397. default "4" if CPU_SHX3
  398. default "2"
  399. help
  400. This allows you to specify the maximum number of CPUs which this
  401. kernel will support. The maximum supported value is 32 and the
  402. minimum value which makes sense is 2.
  403. This is purely to save memory - each supported CPU adds
  404. approximately eight kilobytes to the kernel image.
  405. source "kernel/Kconfig.preempt"
  406. config GUSA
  407. def_bool y
  408. depends on !SMP && SUPERH32
  409. help
  410. This enables support for gUSA (general UserSpace Atomicity).
  411. This is the default implementation for both UP and non-ll/sc
  412. CPUs, and is used by the libc, amongst others.
  413. For additional information, design information can be found
  414. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  415. This should only be disabled for special cases where alternate
  416. atomicity implementations exist.
  417. config GUSA_RB
  418. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  419. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  420. help
  421. Enabling this option will allow the kernel to implement some
  422. atomic operations using a software implemention of load-locked/
  423. store-conditional (LLSC). On machines which do not have hardware
  424. LLSC, this should be more efficient than the other alternative of
  425. disabling insterrupts around the atomic sequence.
  426. endmenu
  427. menu "Boot options"
  428. config ZERO_PAGE_OFFSET
  429. hex "Zero page offset"
  430. default "0x00004000" if SH_SH03
  431. default "0x00010000" if PAGE_SIZE_64KB
  432. default "0x00002000" if PAGE_SIZE_8KB
  433. default "0x00001000"
  434. help
  435. This sets the default offset of zero page.
  436. config BOOT_LINK_OFFSET
  437. hex "Link address offset for booting"
  438. default "0x00800000"
  439. help
  440. This option allows you to set the link address offset of the zImage.
  441. This can be useful if you are on a board which has a small amount of
  442. memory.
  443. config UBC_WAKEUP
  444. bool "Wakeup UBC on startup"
  445. depends on CPU_SH4 && !CPU_SH4A
  446. help
  447. Selecting this option will wakeup the User Break Controller (UBC) on
  448. startup. Although the UBC is left in an awake state when the processor
  449. comes up, some boot loaders misbehave by putting the UBC to sleep in a
  450. power saving state, which causes issues with things like ptrace().
  451. If unsure, say N.
  452. config CMDLINE_BOOL
  453. bool "Default bootloader kernel arguments"
  454. config CMDLINE
  455. string "Initial kernel command string"
  456. depends on CMDLINE_BOOL
  457. default "console=ttySC1,115200"
  458. endmenu
  459. menu "Bus options"
  460. # Even on SuperH devices which don't have an ISA bus,
  461. # this variable helps the PCMCIA modules handle
  462. # IRQ requesting properly -- Greg Banks.
  463. #
  464. # Though we're generally not interested in it when
  465. # we're not using PCMCIA, so we make it dependent on
  466. # PCMCIA outright. -- PFM.
  467. config ISA
  468. def_bool y
  469. depends on PCMCIA && HD6446X_SERIES
  470. help
  471. Find out whether you have ISA slots on your motherboard. ISA is the
  472. name of a bus system, i.e. the way the CPU talks to the other stuff
  473. inside your box. Other bus systems are PCI, EISA, MicroChannel
  474. (MCA) or VESA. ISA is an older system, now being displaced by PCI;
  475. newer boards don't support it. If you have ISA, say Y, otherwise N.
  476. config EISA
  477. bool
  478. ---help---
  479. The Extended Industry Standard Architecture (EISA) bus was
  480. developed as an open alternative to the IBM MicroChannel bus.
  481. The EISA bus provided some of the features of the IBM MicroChannel
  482. bus while maintaining backward compatibility with cards made for
  483. the older ISA bus. The EISA bus saw limited use between 1988 and
  484. 1995 when it was made obsolete by the PCI bus.
  485. Say Y here if you are building a kernel for an EISA-based machine.
  486. Otherwise, say N.
  487. config MCA
  488. bool
  489. help
  490. MicroChannel Architecture is found in some IBM PS/2 machines and
  491. laptops. It is a bus system similar to PCI or ISA. See
  492. <file:Documentation/mca.txt> (and especially the web page given
  493. there) before attempting to build an MCA bus kernel.
  494. config SBUS
  495. bool
  496. config SUPERHYWAY
  497. tristate "SuperHyway Bus support"
  498. depends on CPU_SUBTYPE_SH4_202
  499. config MAPLE
  500. bool "Maple Bus support"
  501. depends on SH_DREAMCAST
  502. help
  503. The Maple Bus is SEGA's serial communication bus for peripherals
  504. on the Dreamcast. Without this bus support you won't be able to
  505. get your Dreamcast keyboard etc to work, so most users
  506. probably want to say 'Y' here, unless you are only using the
  507. Dreamcast with a serial line terminal or a remote network
  508. connection.
  509. config CF_ENABLER
  510. bool "Compact Flash Enabler support"
  511. depends on SOLUTION_ENGINE || SH_SH03
  512. ---help---
  513. Compact Flash is a small, removable mass storage device introduced
  514. in 1994 originally as a PCMCIA device. If you say `Y' here, you
  515. compile in support for Compact Flash devices directly connected to
  516. a SuperH processor. A Compact Flash FAQ is available at
  517. <http://www.compactflash.org/faqs/faq.htm>.
  518. If your board has "Directly Connected" CompactFlash at area 5 or 6,
  519. you may want to enable this option. Then, you can use CF as
  520. primary IDE drive (only tested for SanDisk).
  521. If in doubt, select 'N'.
  522. choice
  523. prompt "Compact Flash Connection Area"
  524. depends on CF_ENABLER
  525. default CF_AREA6
  526. config CF_AREA5
  527. bool "Area5"
  528. help
  529. If your board has "Directly Connected" CompactFlash, You should
  530. select the area where your CF is connected to.
  531. - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
  532. - "Area6" if it is connected to Area 6 (0x18000000)
  533. "Area6" will work for most boards.
  534. config CF_AREA6
  535. bool "Area6"
  536. endchoice
  537. config CF_BASE_ADDR
  538. hex
  539. depends on CF_ENABLER
  540. default "0xb8000000" if CF_AREA6
  541. default "0xb4000000" if CF_AREA5
  542. source "arch/sh/drivers/pci/Kconfig"
  543. source "drivers/pci/Kconfig"
  544. source "drivers/pcmcia/Kconfig"
  545. source "drivers/pci/hotplug/Kconfig"
  546. endmenu
  547. menu "Executable file formats"
  548. source "fs/Kconfig.binfmt"
  549. endmenu
  550. menu "Power management options (EXPERIMENTAL)"
  551. depends on EXPERIMENTAL && SYS_SUPPORTS_PM
  552. config ARCH_SUSPEND_POSSIBLE
  553. def_bool y
  554. depends on !SMP
  555. source kernel/power/Kconfig
  556. endmenu
  557. source "net/Kconfig"
  558. source "drivers/Kconfig"
  559. source "fs/Kconfig"
  560. source "arch/sh/Kconfig.debug"
  561. source "security/Kconfig"
  562. source "crypto/Kconfig"
  563. source "lib/Kconfig"