Kconfig 49 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107
  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. select RTC_LIB
  7. mainmenu "Linux/MIPS Kernel Configuration"
  8. menu "Machine selection"
  9. config ZONE_DMA
  10. bool
  11. choice
  12. prompt "System type"
  13. default SGI_IP22
  14. config MACH_ALCHEMY
  15. bool "Alchemy processor based machines"
  16. config BASLER_EXCITE
  17. bool "Basler eXcite smart camera"
  18. select CEVT_R4K
  19. select CSRC_R4K
  20. select DMA_COHERENT
  21. select HW_HAS_PCI
  22. select IRQ_CPU
  23. select IRQ_CPU_RM7K
  24. select IRQ_CPU_RM9K
  25. select MIPS_RM9122
  26. select SYS_HAS_CPU_RM9000
  27. select SYS_SUPPORTS_32BIT_KERNEL
  28. select SYS_SUPPORTS_BIG_ENDIAN
  29. select SYS_SUPPORTS_KGDB
  30. help
  31. The eXcite is a smart camera platform manufactured by
  32. Basler Vision Technologies AG.
  33. config BCM47XX
  34. bool "BCM47XX based boards"
  35. select CEVT_R4K
  36. select CSRC_R4K
  37. select DMA_NONCOHERENT
  38. select HW_HAS_PCI
  39. select IRQ_CPU
  40. select SYS_HAS_CPU_MIPS32_R1
  41. select SYS_SUPPORTS_32BIT_KERNEL
  42. select SYS_SUPPORTS_LITTLE_ENDIAN
  43. select SSB
  44. select SSB_DRIVER_MIPS
  45. select SSB_DRIVER_EXTIF
  46. select SSB_PCICORE_HOSTMODE if PCI
  47. select GENERIC_GPIO
  48. select SYS_HAS_EARLY_PRINTK
  49. select CFE
  50. help
  51. Support for BCM47XX based boards
  52. config MIPS_COBALT
  53. bool "Cobalt Server"
  54. select CEVT_R4K
  55. select CSRC_R4K
  56. select CEVT_GT641XX
  57. select DMA_NONCOHERENT
  58. select HW_HAS_PCI
  59. select I8253
  60. select I8259
  61. select IRQ_CPU
  62. select IRQ_GT641XX
  63. select PCI_GT64XXX_PCI0
  64. select SYS_HAS_CPU_NEVADA
  65. select SYS_HAS_EARLY_PRINTK
  66. select SYS_SUPPORTS_32BIT_KERNEL
  67. select SYS_SUPPORTS_64BIT_KERNEL
  68. select SYS_SUPPORTS_LITTLE_ENDIAN
  69. select GENERIC_HARDIRQS_NO__DO_IRQ
  70. config MACH_DECSTATION
  71. bool "DECstations"
  72. select BOOT_ELF32
  73. select CEVT_R4K
  74. select CSRC_R4K
  75. select CPU_DADDI_WORKAROUNDS if 64BIT
  76. select CPU_R4000_WORKAROUNDS if 64BIT
  77. select CPU_R4400_WORKAROUNDS if 64BIT
  78. select DMA_NONCOHERENT
  79. select NO_IOPORT
  80. select IRQ_CPU
  81. select SYS_HAS_CPU_R3000
  82. select SYS_HAS_CPU_R4X00
  83. select SYS_SUPPORTS_32BIT_KERNEL
  84. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  85. select SYS_SUPPORTS_LITTLE_ENDIAN
  86. select SYS_SUPPORTS_128HZ
  87. select SYS_SUPPORTS_256HZ
  88. select SYS_SUPPORTS_1024HZ
  89. help
  90. This enables support for DEC's MIPS based workstations. For details
  91. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  92. DECstation porting pages on <http://decstation.unix-ag.org/>.
  93. If you have one of the following DECstation Models you definitely
  94. want to choose R4xx0 for the CPU Type:
  95. DECstation 5000/50
  96. DECstation 5000/150
  97. DECstation 5000/260
  98. DECsystem 5900/260
  99. otherwise choose R3000.
  100. config MACH_JAZZ
  101. bool "Jazz family of machines"
  102. select ARC
  103. select ARC32
  104. select ARCH_MAY_HAVE_PC_FDC
  105. select CEVT_R4K
  106. select CSRC_R4K
  107. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  108. select GENERIC_ISA_DMA
  109. select IRQ_CPU
  110. select I8253
  111. select I8259
  112. select ISA
  113. select SYS_HAS_CPU_R4X00
  114. select SYS_SUPPORTS_32BIT_KERNEL
  115. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  116. select SYS_SUPPORTS_100HZ
  117. select GENERIC_HARDIRQS_NO__DO_IRQ
  118. help
  119. This a family of machines based on the MIPS R4030 chipset which was
  120. used by several vendors to build RISC/os and Windows NT workstations.
  121. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  122. Olivetti M700-10 workstations.
  123. config LASAT
  124. bool "LASAT Networks platforms"
  125. select CEVT_R4K
  126. select CSRC_R4K
  127. select DMA_NONCOHERENT
  128. select SYS_HAS_EARLY_PRINTK
  129. select HW_HAS_PCI
  130. select IRQ_CPU
  131. select PCI_GT64XXX_PCI0
  132. select MIPS_NILE4
  133. select R5000_CPU_SCACHE
  134. select SYS_HAS_CPU_R5000
  135. select SYS_SUPPORTS_32BIT_KERNEL
  136. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  137. select SYS_SUPPORTS_LITTLE_ENDIAN
  138. select GENERIC_HARDIRQS_NO__DO_IRQ
  139. config LEMOTE_FULONG
  140. bool "Lemote Fulong mini-PC"
  141. select ARCH_SPARSEMEM_ENABLE
  142. select CEVT_R4K
  143. select CSRC_R4K
  144. select SYS_HAS_CPU_LOONGSON2
  145. select DMA_NONCOHERENT
  146. select BOOT_ELF32
  147. select BOARD_SCACHE
  148. select HAVE_STD_PC_SERIAL_PORT
  149. select HW_HAS_PCI
  150. select I8259
  151. select ISA
  152. select IRQ_CPU
  153. select SYS_SUPPORTS_32BIT_KERNEL
  154. select SYS_SUPPORTS_64BIT_KERNEL
  155. select SYS_SUPPORTS_LITTLE_ENDIAN
  156. select SYS_SUPPORTS_HIGHMEM
  157. select SYS_HAS_EARLY_PRINTK
  158. select GENERIC_HARDIRQS_NO__DO_IRQ
  159. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  160. select CPU_HAS_WB
  161. help
  162. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  163. an FPGA northbridge
  164. config MIPS_ATLAS
  165. bool "MIPS Atlas board"
  166. select BOOT_ELF32
  167. select BOOT_RAW
  168. select CEVT_R4K
  169. select CSRC_R4K
  170. select DMA_NONCOHERENT
  171. select SYS_HAS_EARLY_PRINTK
  172. select IRQ_CPU
  173. select HW_HAS_PCI
  174. select MIPS_BOARDS_GEN
  175. select MIPS_BONITO64
  176. select PCI_GT64XXX_PCI0
  177. select MIPS_MSC
  178. select RM7000_CPU_SCACHE
  179. select SWAP_IO_SPACE
  180. select SYS_HAS_CPU_MIPS32_R1
  181. select SYS_HAS_CPU_MIPS32_R2
  182. select SYS_HAS_CPU_MIPS64_R1
  183. select SYS_HAS_CPU_NEVADA
  184. select SYS_HAS_CPU_RM7000
  185. select SYS_SUPPORTS_32BIT_KERNEL
  186. select SYS_SUPPORTS_64BIT_KERNEL
  187. select SYS_SUPPORTS_BIG_ENDIAN
  188. select SYS_SUPPORTS_LITTLE_ENDIAN
  189. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  190. select SYS_SUPPORTS_SMARTMIPS
  191. select GENERIC_HARDIRQS_NO__DO_IRQ
  192. help
  193. This enables support for the MIPS Technologies Atlas evaluation
  194. board.
  195. config MIPS_MALTA
  196. bool "MIPS Malta board"
  197. select ARCH_MAY_HAVE_PC_FDC
  198. select BOOT_ELF32
  199. select BOOT_RAW
  200. select CEVT_R4K
  201. select CSRC_R4K
  202. select DMA_NONCOHERENT
  203. select GENERIC_ISA_DMA
  204. select IRQ_CPU
  205. select HW_HAS_PCI
  206. select I8253
  207. select I8259
  208. select MIPS_BOARDS_GEN
  209. select MIPS_BONITO64
  210. select MIPS_CPU_SCACHE
  211. select PCI_GT64XXX_PCI0
  212. select MIPS_MSC
  213. select SWAP_IO_SPACE
  214. select SYS_HAS_CPU_MIPS32_R1
  215. select SYS_HAS_CPU_MIPS32_R2
  216. select SYS_HAS_CPU_MIPS64_R1
  217. select SYS_HAS_CPU_NEVADA
  218. select SYS_HAS_CPU_RM7000
  219. select SYS_HAS_EARLY_PRINTK
  220. select SYS_SUPPORTS_32BIT_KERNEL
  221. select SYS_SUPPORTS_64BIT_KERNEL
  222. select SYS_SUPPORTS_BIG_ENDIAN
  223. select SYS_SUPPORTS_LITTLE_ENDIAN
  224. select SYS_SUPPORTS_MULTITHREADING
  225. select SYS_SUPPORTS_SMARTMIPS
  226. help
  227. This enables support for the MIPS Technologies Malta evaluation
  228. board.
  229. config MIPS_SEAD
  230. bool "MIPS SEAD board"
  231. select CEVT_R4K
  232. select CSRC_R4K
  233. select IRQ_CPU
  234. select DMA_NONCOHERENT
  235. select SYS_HAS_EARLY_PRINTK
  236. select MIPS_BOARDS_GEN
  237. select SYS_HAS_CPU_MIPS32_R1
  238. select SYS_HAS_CPU_MIPS32_R2
  239. select SYS_HAS_CPU_MIPS64_R1
  240. select SYS_SUPPORTS_32BIT_KERNEL
  241. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  242. select SYS_SUPPORTS_BIG_ENDIAN
  243. select SYS_SUPPORTS_LITTLE_ENDIAN
  244. select SYS_SUPPORTS_SMARTMIPS
  245. help
  246. This enables support for the MIPS Technologies SEAD evaluation
  247. board.
  248. config MIPS_SIM
  249. bool 'MIPS simulator (MIPSsim)'
  250. select CEVT_R4K
  251. select CSRC_R4K
  252. select DMA_NONCOHERENT
  253. select SYS_HAS_EARLY_PRINTK
  254. select IRQ_CPU
  255. select BOOT_RAW
  256. select SYS_HAS_CPU_MIPS32_R1
  257. select SYS_HAS_CPU_MIPS32_R2
  258. select SYS_HAS_EARLY_PRINTK
  259. select SYS_SUPPORTS_32BIT_KERNEL
  260. select SYS_SUPPORTS_BIG_ENDIAN
  261. select SYS_SUPPORTS_MULTITHREADING
  262. select SYS_SUPPORTS_LITTLE_ENDIAN
  263. help
  264. This option enables support for MIPS Technologies MIPSsim software
  265. emulator.
  266. config MARKEINS
  267. bool "NEC EMMA2RH Mark-eins"
  268. select CEVT_R4K
  269. select CSRC_R4K
  270. select DMA_NONCOHERENT
  271. select HW_HAS_PCI
  272. select IRQ_CPU
  273. select SWAP_IO_SPACE
  274. select SYS_SUPPORTS_32BIT_KERNEL
  275. select SYS_SUPPORTS_BIG_ENDIAN
  276. select SYS_SUPPORTS_LITTLE_ENDIAN
  277. select SYS_HAS_CPU_R5000
  278. help
  279. This enables support for the R5432-based NEC Mark-eins
  280. boards with R5500 CPU.
  281. config MACH_VR41XX
  282. bool "NEC VR4100 series based machines"
  283. select CEVT_R4K
  284. select CSRC_R4K
  285. select SYS_HAS_CPU_VR41XX
  286. select GENERIC_HARDIRQS_NO__DO_IRQ
  287. config PNX8550_JBS
  288. bool "Philips PNX8550 based JBS board"
  289. select PNX8550
  290. select SYS_SUPPORTS_LITTLE_ENDIAN
  291. config PNX8550_STB810
  292. bool "Philips PNX8550 based STB810 board"
  293. select PNX8550
  294. select SYS_SUPPORTS_LITTLE_ENDIAN
  295. config PMC_MSP
  296. bool "PMC-Sierra MSP chipsets"
  297. depends on EXPERIMENTAL
  298. select DMA_NONCOHERENT
  299. select SWAP_IO_SPACE
  300. select NO_EXCEPT_FILL
  301. select BOOT_RAW
  302. select SYS_HAS_CPU_MIPS32_R1
  303. select SYS_HAS_CPU_MIPS32_R2
  304. select SYS_SUPPORTS_32BIT_KERNEL
  305. select SYS_SUPPORTS_BIG_ENDIAN
  306. select SYS_SUPPORTS_KGDB
  307. select IRQ_CPU
  308. select SERIAL_8250
  309. select SERIAL_8250_CONSOLE
  310. help
  311. This adds support for the PMC-Sierra family of Multi-Service
  312. Processor System-On-A-Chips. These parts include a number
  313. of integrated peripherals, interfaces and DSPs in addition to
  314. a variety of MIPS cores.
  315. config PMC_YOSEMITE
  316. bool "PMC-Sierra Yosemite eval board"
  317. select CEVT_R4K
  318. select CSRC_R4K
  319. select DMA_COHERENT
  320. select HW_HAS_PCI
  321. select IRQ_CPU
  322. select IRQ_CPU_RM7K
  323. select IRQ_CPU_RM9K
  324. select SWAP_IO_SPACE
  325. select SYS_HAS_CPU_RM9000
  326. select SYS_HAS_EARLY_PRINTK
  327. select SYS_SUPPORTS_32BIT_KERNEL
  328. select SYS_SUPPORTS_64BIT_KERNEL
  329. select SYS_SUPPORTS_BIG_ENDIAN
  330. select SYS_SUPPORTS_HIGHMEM
  331. select SYS_SUPPORTS_KGDB
  332. select SYS_SUPPORTS_SMP
  333. help
  334. Yosemite is an evaluation board for the RM9000x2 processor
  335. manufactured by PMC-Sierra.
  336. config SGI_IP22
  337. bool "SGI IP22 (Indy/Indigo2)"
  338. select ARC
  339. select ARC32
  340. select BOOT_ELF32
  341. select CEVT_R4K
  342. select CSRC_R4K
  343. select DEFAULT_SGI_PARTITION
  344. select DMA_NONCOHERENT
  345. select HW_HAS_EISA
  346. select I8253
  347. select I8259
  348. select IP22_CPU_SCACHE
  349. select IRQ_CPU
  350. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  351. select SGI_HAS_DS1286
  352. select SGI_HAS_I8042
  353. select SGI_HAS_INDYDOG
  354. select SGI_HAS_SEEQ
  355. select SGI_HAS_WD93
  356. select SGI_HAS_ZILOG
  357. select SWAP_IO_SPACE
  358. select SYS_HAS_CPU_R4X00
  359. select SYS_HAS_CPU_R5000
  360. select SYS_HAS_EARLY_PRINTK
  361. select SYS_SUPPORTS_32BIT_KERNEL
  362. select SYS_SUPPORTS_64BIT_KERNEL
  363. select SYS_SUPPORTS_BIG_ENDIAN
  364. help
  365. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  366. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  367. that runs on these, say Y here.
  368. config SGI_IP27
  369. bool "SGI IP27 (Origin200/2000)"
  370. select ARC
  371. select ARC64
  372. select BOOT_ELF64
  373. select DEFAULT_SGI_PARTITION
  374. select DMA_IP27
  375. select SYS_HAS_EARLY_PRINTK
  376. select HW_HAS_PCI
  377. select NR_CPUS_DEFAULT_64
  378. select SYS_HAS_CPU_R10000
  379. select SYS_SUPPORTS_64BIT_KERNEL
  380. select SYS_SUPPORTS_BIG_ENDIAN
  381. select SYS_SUPPORTS_KGDB
  382. select SYS_SUPPORTS_NUMA
  383. select SYS_SUPPORTS_SMP
  384. select GENERIC_HARDIRQS_NO__DO_IRQ
  385. help
  386. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  387. workstations. To compile a Linux kernel that runs on these, say Y
  388. here.
  389. config SGI_IP28
  390. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  391. depends on EXPERIMENTAL
  392. select ARC
  393. select ARC64
  394. select BOOT_ELF64
  395. select CEVT_R4K
  396. select CSRC_R4K
  397. select DEFAULT_SGI_PARTITION
  398. select DMA_NONCOHERENT
  399. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  400. select IRQ_CPU
  401. select HW_HAS_EISA
  402. select I8253
  403. select I8259
  404. select SGI_HAS_DS1286
  405. select SGI_HAS_I8042
  406. select SGI_HAS_INDYDOG
  407. select SGI_HAS_SEEQ
  408. select SGI_HAS_WD93
  409. select SGI_HAS_ZILOG
  410. select SWAP_IO_SPACE
  411. select SYS_HAS_CPU_R10000
  412. select SYS_HAS_EARLY_PRINTK
  413. select SYS_SUPPORTS_64BIT_KERNEL
  414. select SYS_SUPPORTS_BIG_ENDIAN
  415. help
  416. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  417. kernel that runs on these, say Y here.
  418. config SGI_IP32
  419. bool "SGI IP32 (O2)"
  420. select ARC
  421. select ARC32
  422. select BOOT_ELF32
  423. select CEVT_R4K
  424. select CSRC_R4K
  425. select DMA_NONCOHERENT
  426. select HW_HAS_PCI
  427. select IRQ_CPU
  428. select R5000_CPU_SCACHE
  429. select RM7000_CPU_SCACHE
  430. select SYS_HAS_CPU_R5000
  431. select SYS_HAS_CPU_R10000 if BROKEN
  432. select SYS_HAS_CPU_RM7000
  433. select SYS_HAS_CPU_NEVADA
  434. select SYS_SUPPORTS_64BIT_KERNEL
  435. select SYS_SUPPORTS_BIG_ENDIAN
  436. help
  437. If you want this kernel to run on SGI O2 workstation, say Y here.
  438. config SIBYTE_CRHINE
  439. bool "Sibyte BCM91120C-CRhine"
  440. depends on EXPERIMENTAL
  441. select BOOT_ELF32
  442. select DMA_COHERENT
  443. select SIBYTE_BCM1120
  444. select SWAP_IO_SPACE
  445. select SYS_HAS_CPU_SB1
  446. select SYS_SUPPORTS_BIG_ENDIAN
  447. select SYS_SUPPORTS_LITTLE_ENDIAN
  448. config SIBYTE_CARMEL
  449. bool "Sibyte BCM91120x-Carmel"
  450. depends on EXPERIMENTAL
  451. select BOOT_ELF32
  452. select DMA_COHERENT
  453. select SIBYTE_BCM1120
  454. select SWAP_IO_SPACE
  455. select SYS_HAS_CPU_SB1
  456. select SYS_SUPPORTS_BIG_ENDIAN
  457. select SYS_SUPPORTS_LITTLE_ENDIAN
  458. config SIBYTE_CRHONE
  459. bool "Sibyte BCM91125C-CRhone"
  460. depends on EXPERIMENTAL
  461. select BOOT_ELF32
  462. select DMA_COHERENT
  463. select SIBYTE_BCM1125
  464. select SWAP_IO_SPACE
  465. select SYS_HAS_CPU_SB1
  466. select SYS_SUPPORTS_BIG_ENDIAN
  467. select SYS_SUPPORTS_HIGHMEM
  468. select SYS_SUPPORTS_LITTLE_ENDIAN
  469. config SIBYTE_RHONE
  470. bool "Sibyte BCM91125E-Rhone"
  471. depends on EXPERIMENTAL
  472. select BOOT_ELF32
  473. select DMA_COHERENT
  474. select SIBYTE_BCM1125H
  475. select SWAP_IO_SPACE
  476. select SYS_HAS_CPU_SB1
  477. select SYS_SUPPORTS_BIG_ENDIAN
  478. select SYS_SUPPORTS_LITTLE_ENDIAN
  479. config SIBYTE_SWARM
  480. bool "Sibyte BCM91250A-SWARM"
  481. select BOOT_ELF32
  482. select DMA_COHERENT
  483. select NR_CPUS_DEFAULT_2
  484. select SIBYTE_SB1250
  485. select SWAP_IO_SPACE
  486. select SYS_HAS_CPU_SB1
  487. select SYS_SUPPORTS_BIG_ENDIAN
  488. select SYS_SUPPORTS_HIGHMEM
  489. select SYS_SUPPORTS_KGDB
  490. select SYS_SUPPORTS_LITTLE_ENDIAN
  491. select ZONE_DMA32 if 64BIT
  492. config SIBYTE_LITTLESUR
  493. bool "Sibyte BCM91250C2-LittleSur"
  494. depends on EXPERIMENTAL
  495. select BOOT_ELF32
  496. select DMA_COHERENT
  497. select NR_CPUS_DEFAULT_2
  498. select SIBYTE_SB1250
  499. select SWAP_IO_SPACE
  500. select SYS_HAS_CPU_SB1
  501. select SYS_SUPPORTS_BIG_ENDIAN
  502. select SYS_SUPPORTS_HIGHMEM
  503. select SYS_SUPPORTS_LITTLE_ENDIAN
  504. config SIBYTE_SENTOSA
  505. bool "Sibyte BCM91250E-Sentosa"
  506. depends on EXPERIMENTAL
  507. select BOOT_ELF32
  508. select DMA_COHERENT
  509. select NR_CPUS_DEFAULT_2
  510. select SIBYTE_SB1250
  511. select SWAP_IO_SPACE
  512. select SYS_HAS_CPU_SB1
  513. select SYS_SUPPORTS_BIG_ENDIAN
  514. select SYS_SUPPORTS_LITTLE_ENDIAN
  515. config SIBYTE_BIGSUR
  516. bool "Sibyte BCM91480B-BigSur"
  517. select BOOT_ELF32
  518. select DMA_COHERENT
  519. select NR_CPUS_DEFAULT_4
  520. select SIBYTE_BCM1x80
  521. select SWAP_IO_SPACE
  522. select SYS_HAS_CPU_SB1
  523. select SYS_SUPPORTS_BIG_ENDIAN
  524. select SYS_SUPPORTS_HIGHMEM
  525. select SYS_SUPPORTS_LITTLE_ENDIAN
  526. select ZONE_DMA32 if 64BIT
  527. config SNI_RM
  528. bool "SNI RM200/300/400"
  529. select ARC if CPU_LITTLE_ENDIAN
  530. select ARC32 if CPU_LITTLE_ENDIAN
  531. select SNIPROM if CPU_BIG_ENDIAN
  532. select ARCH_MAY_HAVE_PC_FDC
  533. select BOOT_ELF32
  534. select CEVT_R4K
  535. select CSRC_R4K
  536. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  537. select DMA_NONCOHERENT
  538. select GENERIC_ISA_DMA
  539. select HW_HAS_EISA
  540. select HW_HAS_PCI
  541. select IRQ_CPU
  542. select I8253
  543. select I8259
  544. select ISA
  545. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  546. select SYS_HAS_CPU_R4X00
  547. select SYS_HAS_CPU_R5000
  548. select SYS_HAS_CPU_R10000
  549. select R5000_CPU_SCACHE
  550. select SYS_HAS_EARLY_PRINTK
  551. select SYS_SUPPORTS_32BIT_KERNEL
  552. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  553. select SYS_SUPPORTS_BIG_ENDIAN
  554. select SYS_SUPPORTS_HIGHMEM
  555. select SYS_SUPPORTS_LITTLE_ENDIAN
  556. help
  557. The SNI RM200/300/400 are MIPS-based machines manufactured by
  558. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  559. Technology and now in turn merged with Fujitsu. Say Y here to
  560. support this machine type.
  561. config TOSHIBA_JMR3927
  562. bool "Toshiba JMR-TX3927 board"
  563. select CEVT_TXX9
  564. select DMA_NONCOHERENT
  565. select HW_HAS_PCI
  566. select MIPS_TX3927
  567. select IRQ_TXX9
  568. select SWAP_IO_SPACE
  569. select SYS_HAS_CPU_TX39XX
  570. select SYS_SUPPORTS_32BIT_KERNEL
  571. select SYS_SUPPORTS_LITTLE_ENDIAN
  572. select SYS_SUPPORTS_BIG_ENDIAN
  573. select GENERIC_HARDIRQS_NO__DO_IRQ
  574. config TOSHIBA_RBTX4927
  575. bool "Toshiba RBTX49[23]7 board"
  576. select CEVT_R4K
  577. select CSRC_R4K
  578. select CEVT_TXX9
  579. select DMA_NONCOHERENT
  580. select HAS_TXX9_SERIAL
  581. select HW_HAS_PCI
  582. select IRQ_CPU
  583. select IRQ_TXX9
  584. select I8259 if TOSHIBA_FPCIB0
  585. select SWAP_IO_SPACE
  586. select SYS_HAS_CPU_TX49XX
  587. select SYS_SUPPORTS_32BIT_KERNEL
  588. select SYS_SUPPORTS_64BIT_KERNEL
  589. select SYS_SUPPORTS_LITTLE_ENDIAN
  590. select SYS_SUPPORTS_BIG_ENDIAN
  591. select SYS_SUPPORTS_KGDB
  592. select GENERIC_HARDIRQS_NO__DO_IRQ
  593. help
  594. This Toshiba board is based on the TX4927 processor. Say Y here to
  595. support this machine type
  596. config TOSHIBA_RBTX4938
  597. bool "Toshiba RBTX4938 board"
  598. select CEVT_R4K
  599. select CSRC_R4K
  600. select CEVT_TXX9
  601. select DMA_NONCOHERENT
  602. select HAS_TXX9_SERIAL
  603. select HW_HAS_PCI
  604. select IRQ_CPU
  605. select IRQ_TXX9
  606. select SWAP_IO_SPACE
  607. select SYS_HAS_CPU_TX49XX
  608. select SYS_SUPPORTS_32BIT_KERNEL
  609. select SYS_SUPPORTS_LITTLE_ENDIAN
  610. select SYS_SUPPORTS_BIG_ENDIAN
  611. select SYS_SUPPORTS_KGDB
  612. select GENERIC_HARDIRQS_NO__DO_IRQ
  613. select GENERIC_GPIO
  614. help
  615. This Toshiba board is based on the TX4938 processor. Say Y here to
  616. support this machine type
  617. config WR_PPMC
  618. bool "Wind River PPMC board"
  619. select CEVT_R4K
  620. select CSRC_R4K
  621. select IRQ_CPU
  622. select BOOT_ELF32
  623. select DMA_NONCOHERENT
  624. select HW_HAS_PCI
  625. select PCI_GT64XXX_PCI0
  626. select SWAP_IO_SPACE
  627. select SYS_HAS_CPU_MIPS32_R1
  628. select SYS_HAS_CPU_MIPS32_R2
  629. select SYS_HAS_CPU_MIPS64_R1
  630. select SYS_HAS_CPU_NEVADA
  631. select SYS_HAS_CPU_RM7000
  632. select SYS_SUPPORTS_32BIT_KERNEL
  633. select SYS_SUPPORTS_64BIT_KERNEL
  634. select SYS_SUPPORTS_BIG_ENDIAN
  635. select SYS_SUPPORTS_LITTLE_ENDIAN
  636. help
  637. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  638. board, which is based on GT64120 bridge chip.
  639. endchoice
  640. source "arch/mips/au1000/Kconfig"
  641. source "arch/mips/basler/excite/Kconfig"
  642. source "arch/mips/jazz/Kconfig"
  643. source "arch/mips/lasat/Kconfig"
  644. source "arch/mips/pmc-sierra/Kconfig"
  645. source "arch/mips/sgi-ip27/Kconfig"
  646. source "arch/mips/sibyte/Kconfig"
  647. source "arch/mips/tx4927/Kconfig"
  648. source "arch/mips/tx4938/Kconfig"
  649. source "arch/mips/vr41xx/Kconfig"
  650. endmenu
  651. config GENERIC_LOCKBREAK
  652. bool
  653. default y
  654. depends on SMP && PREEMPT
  655. config RWSEM_GENERIC_SPINLOCK
  656. bool
  657. default y
  658. config RWSEM_XCHGADD_ALGORITHM
  659. bool
  660. config ARCH_HAS_ILOG2_U32
  661. bool
  662. default n
  663. config ARCH_HAS_ILOG2_U64
  664. bool
  665. default n
  666. config ARCH_SUPPORTS_OPROFILE
  667. bool
  668. default y if !MIPS_MT_SMTC
  669. config GENERIC_FIND_NEXT_BIT
  670. bool
  671. default y
  672. config GENERIC_HWEIGHT
  673. bool
  674. default y
  675. config GENERIC_CALIBRATE_DELAY
  676. bool
  677. default y
  678. config GENERIC_CLOCKEVENTS
  679. bool
  680. default y
  681. config GENERIC_TIME
  682. bool
  683. default y
  684. config GENERIC_CMOS_UPDATE
  685. bool
  686. default y
  687. config SCHED_NO_NO_OMIT_FRAME_POINTER
  688. bool
  689. default y
  690. config GENERIC_HARDIRQS_NO__DO_IRQ
  691. bool
  692. default n
  693. #
  694. # Select some configuration options automatically based on user selections.
  695. #
  696. config ARC
  697. bool
  698. config ARCH_MAY_HAVE_PC_FDC
  699. bool
  700. config BOOT_RAW
  701. bool
  702. config CEVT_BCM1480
  703. bool
  704. config CEVT_GT641XX
  705. bool
  706. config CEVT_R4K
  707. bool
  708. config CEVT_SB1250
  709. bool
  710. config CEVT_TXX9
  711. bool
  712. config CSRC_BCM1480
  713. bool
  714. config CSRC_R4K
  715. bool
  716. config CSRC_SB1250
  717. bool
  718. config CFE
  719. bool
  720. config DMA_COHERENT
  721. bool
  722. config DMA_IP27
  723. bool
  724. config DMA_NONCOHERENT
  725. bool
  726. select DMA_NEED_PCI_MAP_STATE
  727. config DMA_NEED_PCI_MAP_STATE
  728. bool
  729. config EARLY_PRINTK
  730. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  731. depends on SYS_HAS_EARLY_PRINTK
  732. default y
  733. help
  734. This option enables special console drivers which allow the kernel
  735. to print messages very early in the bootup process.
  736. This is useful for kernel debugging when your machine crashes very
  737. early before the console code is initialized. For normal operation,
  738. it is not recommended because it looks ugly on some machines and
  739. doesn't cooperate with an X server. You should normally say N here,
  740. unless you want to debug such a crash.
  741. config SYS_HAS_EARLY_PRINTK
  742. bool
  743. config HOTPLUG_CPU
  744. bool
  745. default n
  746. config I8259
  747. bool
  748. config MIPS_BONITO64
  749. bool
  750. config MIPS_MSC
  751. bool
  752. config MIPS_NILE4
  753. bool
  754. config MIPS_DISABLE_OBSOLETE_IDE
  755. bool
  756. config NO_IOPORT
  757. def_bool n
  758. config GENERIC_ISA_DMA
  759. bool
  760. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  761. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  762. bool
  763. select GENERIC_ISA_DMA
  764. config GENERIC_GPIO
  765. bool
  766. #
  767. # Endianess selection. Sufficiently obscure so many users don't know what to
  768. # answer,so we try hard to limit the available choices. Also the use of a
  769. # choice statement should be more obvious to the user.
  770. #
  771. choice
  772. prompt "Endianess selection"
  773. help
  774. Some MIPS machines can be configured for either little or big endian
  775. byte order. These modes require different kernels and a different
  776. Linux distribution. In general there is one preferred byteorder for a
  777. particular system but some systems are just as commonly used in the
  778. one or the other endianness.
  779. config CPU_BIG_ENDIAN
  780. bool "Big endian"
  781. depends on SYS_SUPPORTS_BIG_ENDIAN
  782. config CPU_LITTLE_ENDIAN
  783. bool "Little endian"
  784. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  785. help
  786. endchoice
  787. config SYS_SUPPORTS_APM_EMULATION
  788. bool
  789. config SYS_SUPPORTS_BIG_ENDIAN
  790. bool
  791. config SYS_SUPPORTS_LITTLE_ENDIAN
  792. bool
  793. config IRQ_CPU
  794. bool
  795. config IRQ_CPU_RM7K
  796. bool
  797. config IRQ_CPU_RM9K
  798. bool
  799. config IRQ_MSP_SLP
  800. bool
  801. config IRQ_MSP_CIC
  802. bool
  803. config IRQ_TXX9
  804. bool
  805. config IRQ_GT641XX
  806. bool
  807. config MIPS_BOARDS_GEN
  808. bool
  809. config PCI_GT64XXX_PCI0
  810. bool
  811. config NO_EXCEPT_FILL
  812. bool
  813. config MIPS_TX3927
  814. bool
  815. select HAS_TXX9_SERIAL
  816. config MIPS_RM9122
  817. bool
  818. select SERIAL_RM9000
  819. config PNX8550
  820. bool
  821. select SOC_PNX8550
  822. config SOC_PNX8550
  823. bool
  824. select DMA_NONCOHERENT
  825. select HW_HAS_PCI
  826. select SYS_HAS_CPU_MIPS32_R1
  827. select SYS_HAS_EARLY_PRINTK
  828. select SYS_SUPPORTS_32BIT_KERNEL
  829. select GENERIC_HARDIRQS_NO__DO_IRQ
  830. select SYS_SUPPORTS_KGDB
  831. select GENERIC_GPIO
  832. config SWAP_IO_SPACE
  833. bool
  834. config EMMA2RH
  835. bool
  836. depends on MARKEINS
  837. default y
  838. config SERIAL_RM9000
  839. bool
  840. config SGI_HAS_DS1286
  841. bool
  842. config SGI_HAS_INDYDOG
  843. bool
  844. config SGI_HAS_SEEQ
  845. bool
  846. config SGI_HAS_WD93
  847. bool
  848. config SGI_HAS_ZILOG
  849. bool
  850. config SGI_HAS_I8042
  851. bool
  852. config DEFAULT_SGI_PARTITION
  853. bool
  854. config ARC32
  855. bool
  856. config SNIPROM
  857. bool
  858. config BOOT_ELF32
  859. bool
  860. config MIPS_L1_CACHE_SHIFT
  861. int
  862. default "4" if MACH_DECSTATION
  863. default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
  864. default "4" if PMC_MSP4200_EVAL
  865. default "5"
  866. config HAVE_STD_PC_SERIAL_PORT
  867. bool
  868. config ARC_CONSOLE
  869. bool "ARC console support"
  870. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  871. config ARC_MEMORY
  872. bool
  873. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  874. default y
  875. config ARC_PROMLIB
  876. bool
  877. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  878. default y
  879. config ARC64
  880. bool
  881. config BOOT_ELF64
  882. bool
  883. menu "CPU selection"
  884. choice
  885. prompt "CPU type"
  886. default CPU_R4X00
  887. config CPU_LOONGSON2
  888. bool "Loongson 2"
  889. depends on SYS_HAS_CPU_LOONGSON2
  890. select CPU_SUPPORTS_32BIT_KERNEL
  891. select CPU_SUPPORTS_64BIT_KERNEL
  892. select CPU_SUPPORTS_HIGHMEM
  893. help
  894. The Loongson 2E processor implements the MIPS III instruction set
  895. with many extensions.
  896. config CPU_MIPS32_R1
  897. bool "MIPS32 Release 1"
  898. depends on SYS_HAS_CPU_MIPS32_R1
  899. select CPU_HAS_LLSC
  900. select CPU_HAS_PREFETCH
  901. select CPU_SUPPORTS_32BIT_KERNEL
  902. select CPU_SUPPORTS_HIGHMEM
  903. help
  904. Choose this option to build a kernel for release 1 or later of the
  905. MIPS32 architecture. Most modern embedded systems with a 32-bit
  906. MIPS processor are based on a MIPS32 processor. If you know the
  907. specific type of processor in your system, choose those that one
  908. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  909. Release 2 of the MIPS32 architecture is available since several
  910. years so chances are you even have a MIPS32 Release 2 processor
  911. in which case you should choose CPU_MIPS32_R2 instead for better
  912. performance.
  913. config CPU_MIPS32_R2
  914. bool "MIPS32 Release 2"
  915. depends on SYS_HAS_CPU_MIPS32_R2
  916. select CPU_HAS_LLSC
  917. select CPU_HAS_PREFETCH
  918. select CPU_SUPPORTS_32BIT_KERNEL
  919. select CPU_SUPPORTS_HIGHMEM
  920. help
  921. Choose this option to build a kernel for release 2 or later of the
  922. MIPS32 architecture. Most modern embedded systems with a 32-bit
  923. MIPS processor are based on a MIPS32 processor. If you know the
  924. specific type of processor in your system, choose those that one
  925. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  926. config CPU_MIPS64_R1
  927. bool "MIPS64 Release 1"
  928. depends on SYS_HAS_CPU_MIPS64_R1
  929. select CPU_HAS_LLSC
  930. select CPU_HAS_PREFETCH
  931. select CPU_SUPPORTS_32BIT_KERNEL
  932. select CPU_SUPPORTS_64BIT_KERNEL
  933. select CPU_SUPPORTS_HIGHMEM
  934. help
  935. Choose this option to build a kernel for release 1 or later of the
  936. MIPS64 architecture. Many modern embedded systems with a 64-bit
  937. MIPS processor are based on a MIPS64 processor. If you know the
  938. specific type of processor in your system, choose those that one
  939. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  940. Release 2 of the MIPS64 architecture is available since several
  941. years so chances are you even have a MIPS64 Release 2 processor
  942. in which case you should choose CPU_MIPS64_R2 instead for better
  943. performance.
  944. config CPU_MIPS64_R2
  945. bool "MIPS64 Release 2"
  946. depends on SYS_HAS_CPU_MIPS64_R2
  947. select CPU_HAS_LLSC
  948. select CPU_HAS_PREFETCH
  949. select CPU_SUPPORTS_32BIT_KERNEL
  950. select CPU_SUPPORTS_64BIT_KERNEL
  951. select CPU_SUPPORTS_HIGHMEM
  952. help
  953. Choose this option to build a kernel for release 2 or later of the
  954. MIPS64 architecture. Many modern embedded systems with a 64-bit
  955. MIPS processor are based on a MIPS64 processor. If you know the
  956. specific type of processor in your system, choose those that one
  957. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  958. config CPU_R3000
  959. bool "R3000"
  960. depends on SYS_HAS_CPU_R3000
  961. select CPU_HAS_WB
  962. select CPU_SUPPORTS_32BIT_KERNEL
  963. select CPU_SUPPORTS_HIGHMEM
  964. help
  965. Please make sure to pick the right CPU type. Linux/MIPS is not
  966. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  967. *not* work on R4000 machines and vice versa. However, since most
  968. of the supported machines have an R4000 (or similar) CPU, R4x00
  969. might be a safe bet. If the resulting kernel does not work,
  970. try to recompile with R3000.
  971. config CPU_TX39XX
  972. bool "R39XX"
  973. depends on SYS_HAS_CPU_TX39XX
  974. select CPU_SUPPORTS_32BIT_KERNEL
  975. config CPU_VR41XX
  976. bool "R41xx"
  977. depends on SYS_HAS_CPU_VR41XX
  978. select CPU_SUPPORTS_32BIT_KERNEL
  979. select CPU_SUPPORTS_64BIT_KERNEL
  980. help
  981. The options selects support for the NEC VR4100 series of processors.
  982. Only choose this option if you have one of these processors as a
  983. kernel built with this option will not run on any other type of
  984. processor or vice versa.
  985. config CPU_R4300
  986. bool "R4300"
  987. depends on SYS_HAS_CPU_R4300
  988. select CPU_HAS_LLSC
  989. select CPU_SUPPORTS_32BIT_KERNEL
  990. select CPU_SUPPORTS_64BIT_KERNEL
  991. help
  992. MIPS Technologies R4300-series processors.
  993. config CPU_R4X00
  994. bool "R4x00"
  995. depends on SYS_HAS_CPU_R4X00
  996. select CPU_HAS_LLSC
  997. select CPU_SUPPORTS_32BIT_KERNEL
  998. select CPU_SUPPORTS_64BIT_KERNEL
  999. help
  1000. MIPS Technologies R4000-series processors other than 4300, including
  1001. the R4000, R4400, R4600, and 4700.
  1002. config CPU_TX49XX
  1003. bool "R49XX"
  1004. depends on SYS_HAS_CPU_TX49XX
  1005. select CPU_HAS_LLSC
  1006. select CPU_HAS_PREFETCH
  1007. select CPU_SUPPORTS_32BIT_KERNEL
  1008. select CPU_SUPPORTS_64BIT_KERNEL
  1009. config CPU_R5000
  1010. bool "R5000"
  1011. depends on SYS_HAS_CPU_R5000
  1012. select CPU_HAS_LLSC
  1013. select CPU_SUPPORTS_32BIT_KERNEL
  1014. select CPU_SUPPORTS_64BIT_KERNEL
  1015. help
  1016. MIPS Technologies R5000-series processors other than the Nevada.
  1017. config CPU_R5432
  1018. bool "R5432"
  1019. depends on SYS_HAS_CPU_R5432
  1020. select CPU_HAS_LLSC
  1021. select CPU_SUPPORTS_32BIT_KERNEL
  1022. select CPU_SUPPORTS_64BIT_KERNEL
  1023. config CPU_R6000
  1024. bool "R6000"
  1025. depends on EXPERIMENTAL
  1026. select CPU_HAS_LLSC
  1027. depends on SYS_HAS_CPU_R6000
  1028. select CPU_SUPPORTS_32BIT_KERNEL
  1029. help
  1030. MIPS Technologies R6000 and R6000A series processors. Note these
  1031. processors are extremely rare and the support for them is incomplete.
  1032. config CPU_NEVADA
  1033. bool "RM52xx"
  1034. depends on SYS_HAS_CPU_NEVADA
  1035. select CPU_HAS_LLSC
  1036. select CPU_SUPPORTS_32BIT_KERNEL
  1037. select CPU_SUPPORTS_64BIT_KERNEL
  1038. help
  1039. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1040. config CPU_R8000
  1041. bool "R8000"
  1042. depends on EXPERIMENTAL
  1043. depends on SYS_HAS_CPU_R8000
  1044. select CPU_HAS_LLSC
  1045. select CPU_HAS_PREFETCH
  1046. select CPU_SUPPORTS_64BIT_KERNEL
  1047. help
  1048. MIPS Technologies R8000 processors. Note these processors are
  1049. uncommon and the support for them is incomplete.
  1050. config CPU_R10000
  1051. bool "R10000"
  1052. depends on SYS_HAS_CPU_R10000
  1053. select CPU_HAS_LLSC
  1054. select CPU_HAS_PREFETCH
  1055. select CPU_SUPPORTS_32BIT_KERNEL
  1056. select CPU_SUPPORTS_64BIT_KERNEL
  1057. select CPU_SUPPORTS_HIGHMEM
  1058. help
  1059. MIPS Technologies R10000-series processors.
  1060. config CPU_RM7000
  1061. bool "RM7000"
  1062. depends on SYS_HAS_CPU_RM7000
  1063. select CPU_HAS_LLSC
  1064. select CPU_HAS_PREFETCH
  1065. select CPU_SUPPORTS_32BIT_KERNEL
  1066. select CPU_SUPPORTS_64BIT_KERNEL
  1067. select CPU_SUPPORTS_HIGHMEM
  1068. config CPU_RM9000
  1069. bool "RM9000"
  1070. depends on SYS_HAS_CPU_RM9000
  1071. select CPU_HAS_LLSC
  1072. select CPU_HAS_PREFETCH
  1073. select CPU_SUPPORTS_32BIT_KERNEL
  1074. select CPU_SUPPORTS_64BIT_KERNEL
  1075. select CPU_SUPPORTS_HIGHMEM
  1076. select WEAK_ORDERING
  1077. config CPU_SB1
  1078. bool "SB1"
  1079. depends on SYS_HAS_CPU_SB1
  1080. select CPU_HAS_LLSC
  1081. select CPU_SUPPORTS_32BIT_KERNEL
  1082. select CPU_SUPPORTS_64BIT_KERNEL
  1083. select CPU_SUPPORTS_HIGHMEM
  1084. select WEAK_ORDERING
  1085. endchoice
  1086. config SYS_HAS_CPU_LOONGSON2
  1087. bool
  1088. config SYS_HAS_CPU_MIPS32_R1
  1089. bool
  1090. config SYS_HAS_CPU_MIPS32_R2
  1091. bool
  1092. config SYS_HAS_CPU_MIPS64_R1
  1093. bool
  1094. config SYS_HAS_CPU_MIPS64_R2
  1095. bool
  1096. config SYS_HAS_CPU_R3000
  1097. bool
  1098. config SYS_HAS_CPU_TX39XX
  1099. bool
  1100. config SYS_HAS_CPU_VR41XX
  1101. bool
  1102. config SYS_HAS_CPU_R4300
  1103. bool
  1104. config SYS_HAS_CPU_R4X00
  1105. bool
  1106. config SYS_HAS_CPU_TX49XX
  1107. bool
  1108. config SYS_HAS_CPU_R5000
  1109. bool
  1110. config SYS_HAS_CPU_R5432
  1111. bool
  1112. config SYS_HAS_CPU_R6000
  1113. bool
  1114. config SYS_HAS_CPU_NEVADA
  1115. bool
  1116. config SYS_HAS_CPU_R8000
  1117. bool
  1118. config SYS_HAS_CPU_R10000
  1119. bool
  1120. config SYS_HAS_CPU_RM7000
  1121. bool
  1122. config SYS_HAS_CPU_RM9000
  1123. bool
  1124. config SYS_HAS_CPU_SB1
  1125. bool
  1126. #
  1127. # CPU may reorder R->R, R->W, W->R, W->W
  1128. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1129. #
  1130. config WEAK_ORDERING
  1131. bool
  1132. #
  1133. # CPU may reorder reads and writes beyond LL/SC
  1134. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1135. #
  1136. config WEAK_REORDERING_BEYOND_LLSC
  1137. bool
  1138. endmenu
  1139. #
  1140. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1141. #
  1142. config CPU_MIPS32
  1143. bool
  1144. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1145. config CPU_MIPS64
  1146. bool
  1147. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1148. #
  1149. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1150. #
  1151. config CPU_MIPSR1
  1152. bool
  1153. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1154. config CPU_MIPSR2
  1155. bool
  1156. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1157. config SYS_SUPPORTS_32BIT_KERNEL
  1158. bool
  1159. config SYS_SUPPORTS_64BIT_KERNEL
  1160. bool
  1161. config CPU_SUPPORTS_32BIT_KERNEL
  1162. bool
  1163. config CPU_SUPPORTS_64BIT_KERNEL
  1164. bool
  1165. menu "Kernel type"
  1166. choice
  1167. prompt "Kernel code model"
  1168. help
  1169. You should only select this option if you have a workload that
  1170. actually benefits from 64-bit processing or if your machine has
  1171. large memory. You will only be presented a single option in this
  1172. menu if your system does not support both 32-bit and 64-bit kernels.
  1173. config 32BIT
  1174. bool "32-bit kernel"
  1175. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1176. select TRAD_SIGNALS
  1177. help
  1178. Select this option if you want to build a 32-bit kernel.
  1179. config 64BIT
  1180. bool "64-bit kernel"
  1181. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1182. help
  1183. Select this option if you want to build a 64-bit kernel.
  1184. endchoice
  1185. choice
  1186. prompt "Kernel page size"
  1187. default PAGE_SIZE_4KB
  1188. config PAGE_SIZE_4KB
  1189. bool "4kB"
  1190. help
  1191. This option select the standard 4kB Linux page size. On some
  1192. R3000-family processors this is the only available page size. Using
  1193. 4kB page size will minimize memory consumption and is therefore
  1194. recommended for low memory systems.
  1195. config PAGE_SIZE_8KB
  1196. bool "8kB"
  1197. depends on EXPERIMENTAL && CPU_R8000
  1198. help
  1199. Using 8kB page size will result in higher performance kernel at
  1200. the price of higher memory consumption. This option is available
  1201. only on the R8000 processor. Not that at the time of this writing
  1202. this option is still high experimental; there are also issues with
  1203. compatibility of user applications.
  1204. config PAGE_SIZE_16KB
  1205. bool "16kB"
  1206. depends on !CPU_R3000 && !CPU_TX39XX
  1207. help
  1208. Using 16kB page size will result in higher performance kernel at
  1209. the price of higher memory consumption. This option is available on
  1210. all non-R3000 family processors. Note that you will need a suitable
  1211. Linux distribution to support this.
  1212. config PAGE_SIZE_64KB
  1213. bool "64kB"
  1214. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1215. help
  1216. Using 64kB page size will result in higher performance kernel at
  1217. the price of higher memory consumption. This option is available on
  1218. all non-R3000 family processor. Not that at the time of this
  1219. writing this option is still high experimental.
  1220. endchoice
  1221. config BOARD_SCACHE
  1222. bool
  1223. config IP22_CPU_SCACHE
  1224. bool
  1225. select BOARD_SCACHE
  1226. #
  1227. # Support for a MIPS32 / MIPS64 style S-caches
  1228. #
  1229. config MIPS_CPU_SCACHE
  1230. bool
  1231. select BOARD_SCACHE
  1232. config R5000_CPU_SCACHE
  1233. bool
  1234. select BOARD_SCACHE
  1235. config RM7000_CPU_SCACHE
  1236. bool
  1237. select BOARD_SCACHE
  1238. config SIBYTE_DMA_PAGEOPS
  1239. bool "Use DMA to clear/copy pages"
  1240. depends on CPU_SB1
  1241. help
  1242. Instead of using the CPU to zero and copy pages, use a Data Mover
  1243. channel. These DMA channels are otherwise unused by the standard
  1244. SiByte Linux port. Seems to give a small performance benefit.
  1245. config CPU_HAS_PREFETCH
  1246. bool
  1247. choice
  1248. prompt "MIPS MT options"
  1249. config MIPS_MT_DISABLED
  1250. bool "Disable multithreading support."
  1251. help
  1252. Use this option if your workload can't take advantage of
  1253. MIPS hardware multithreading support. On systems that don't have
  1254. the option of an MT-enabled processor this option will be the only
  1255. option in this menu.
  1256. config MIPS_MT_SMP
  1257. bool "Use 1 TC on each available VPE for SMP"
  1258. depends on SYS_SUPPORTS_MULTITHREADING
  1259. select CPU_MIPSR2_IRQ_VI
  1260. select CPU_MIPSR2_IRQ_EI
  1261. select MIPS_MT
  1262. select NR_CPUS_DEFAULT_2
  1263. select SMP
  1264. select SYS_SUPPORTS_SCHED_SMT if SMP
  1265. select SYS_SUPPORTS_SMP
  1266. select SMP_UP
  1267. help
  1268. This is a kernel model which is also known a VSMP or lately
  1269. has been marketesed into SMVP.
  1270. config MIPS_MT_SMTC
  1271. bool "SMTC: Use all TCs on all VPEs for SMP"
  1272. depends on CPU_MIPS32_R2
  1273. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1274. depends on SYS_SUPPORTS_MULTITHREADING
  1275. select GENERIC_CLOCKEVENTS_BROADCAST
  1276. select CPU_MIPSR2_IRQ_VI
  1277. select CPU_MIPSR2_IRQ_EI
  1278. select MIPS_MT
  1279. select NR_CPUS_DEFAULT_8
  1280. select SMP
  1281. select SYS_SUPPORTS_SMP
  1282. select SMP_UP
  1283. help
  1284. This is a kernel model which is known a SMTC or lately has been
  1285. marketesed into SMVP.
  1286. endchoice
  1287. config MIPS_MT
  1288. bool
  1289. config SCHED_SMT
  1290. bool "SMT (multithreading) scheduler support"
  1291. depends on SYS_SUPPORTS_SCHED_SMT
  1292. default n
  1293. help
  1294. SMT scheduler support improves the CPU scheduler's decision making
  1295. when dealing with MIPS MT enabled cores at a cost of slightly
  1296. increased overhead in some places. If unsure say N here.
  1297. config SYS_SUPPORTS_SCHED_SMT
  1298. bool
  1299. config SYS_SUPPORTS_MULTITHREADING
  1300. bool
  1301. config MIPS_MT_FPAFF
  1302. bool "Dynamic FPU affinity for FP-intensive threads"
  1303. default y
  1304. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1305. config MIPS_VPE_LOADER
  1306. bool "VPE loader support."
  1307. depends on SYS_SUPPORTS_MULTITHREADING
  1308. select CPU_MIPSR2_IRQ_VI
  1309. select CPU_MIPSR2_IRQ_EI
  1310. select MIPS_MT
  1311. help
  1312. Includes a loader for loading an elf relocatable object
  1313. onto another VPE and running it.
  1314. config MIPS_MT_SMTC_INSTANT_REPLAY
  1315. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1316. depends on MIPS_MT_SMTC && !PREEMPT
  1317. default y
  1318. help
  1319. SMTC pseudo-interrupts between TCs are deferred and queued
  1320. if the target TC is interrupt-inhibited (IXMT). In the first
  1321. SMTC prototypes, these queued IPIs were serviced on return
  1322. to user mode, or on entry into the kernel idle loop. The
  1323. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1324. processing, which adds runtime overhead (hence the option to turn
  1325. it off), but ensures that IPIs are handled promptly even under
  1326. heavy I/O interrupt load.
  1327. config MIPS_MT_SMTC_IM_BACKSTOP
  1328. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1329. depends on MIPS_MT_SMTC
  1330. default y
  1331. help
  1332. To support multiple TC microthreads acting as "CPUs" within
  1333. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1334. during interrupt handling. To support legacy drivers and interrupt
  1335. controller management code, SMTC has a "backstop" to track and
  1336. if necessary restore the interrupt mask. This has some performance
  1337. impact on interrupt service overhead. Disable it only if you know
  1338. what you are doing.
  1339. config MIPS_MT_SMTC_IRQAFF
  1340. bool "Support IRQ affinity API"
  1341. depends on MIPS_MT_SMTC
  1342. default n
  1343. help
  1344. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1345. for SMTC Linux kernel. Requires platform support, of which
  1346. an example can be found in the MIPS kernel i8259 and Malta
  1347. platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
  1348. be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
  1349. interrupt dispatch, and should be used only if you know what
  1350. you are doing.
  1351. config MIPS_VPE_LOADER_TOM
  1352. bool "Load VPE program into memory hidden from linux"
  1353. depends on MIPS_VPE_LOADER
  1354. default y
  1355. help
  1356. The loader can use memory that is present but has been hidden from
  1357. Linux using the kernel command line option "mem=xxMB". It's up to
  1358. you to ensure the amount you put in the option and the space your
  1359. program requires is less or equal to the amount physically present.
  1360. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1361. config MIPS_VPE_APSP_API
  1362. bool "Enable support for AP/SP API (RTLX)"
  1363. depends on MIPS_VPE_LOADER
  1364. help
  1365. config MIPS_APSP_KSPD
  1366. bool "Enable KSPD"
  1367. depends on MIPS_VPE_APSP_API
  1368. default y
  1369. help
  1370. KSPD is a kernel daemon that accepts syscall requests from the SP
  1371. side, actions them and returns the results. It also handles the
  1372. "exit" syscall notifying other kernel modules the SP program is
  1373. exiting. You probably want to say yes here.
  1374. config SB1_PASS_1_WORKAROUNDS
  1375. bool
  1376. depends on CPU_SB1_PASS_1
  1377. default y
  1378. config SB1_PASS_2_WORKAROUNDS
  1379. bool
  1380. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1381. default y
  1382. config SB1_PASS_2_1_WORKAROUNDS
  1383. bool
  1384. depends on CPU_SB1 && CPU_SB1_PASS_2
  1385. default y
  1386. config 64BIT_PHYS_ADDR
  1387. bool
  1388. config CPU_HAS_LLSC
  1389. bool
  1390. config CPU_HAS_SMARTMIPS
  1391. depends on SYS_SUPPORTS_SMARTMIPS
  1392. bool "Support for the SmartMIPS ASE"
  1393. help
  1394. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1395. increased security at both hardware and software level for
  1396. smartcards. Enabling this option will allow proper use of the
  1397. SmartMIPS instructions by Linux applications. However a kernel with
  1398. this option will not work on a MIPS core without SmartMIPS core. If
  1399. you don't know you probably don't have SmartMIPS and should say N
  1400. here.
  1401. config CPU_HAS_WB
  1402. bool
  1403. #
  1404. # Vectored interrupt mode is an R2 feature
  1405. #
  1406. config CPU_MIPSR2_IRQ_VI
  1407. bool
  1408. #
  1409. # Extended interrupt mode is an R2 feature
  1410. #
  1411. config CPU_MIPSR2_IRQ_EI
  1412. bool
  1413. config CPU_HAS_SYNC
  1414. bool
  1415. depends on !CPU_R3000
  1416. default y
  1417. config GENERIC_CLOCKEVENTS_BROADCAST
  1418. bool
  1419. #
  1420. # CPU non-features
  1421. #
  1422. config CPU_DADDI_WORKAROUNDS
  1423. bool
  1424. config CPU_R4000_WORKAROUNDS
  1425. bool
  1426. select CPU_R4400_WORKAROUNDS
  1427. config CPU_R4400_WORKAROUNDS
  1428. bool
  1429. #
  1430. # Use the generic interrupt handling code in kernel/irq/:
  1431. #
  1432. config GENERIC_HARDIRQS
  1433. bool
  1434. default y
  1435. config GENERIC_IRQ_PROBE
  1436. bool
  1437. default y
  1438. config IRQ_PER_CPU
  1439. bool
  1440. #
  1441. # - Highmem only makes sense for the 32-bit kernel.
  1442. # - The current highmem code will only work properly on physically indexed
  1443. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1444. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1445. # moment we protect the user and offer the highmem option only on machines
  1446. # where it's known to be safe. This will not offer highmem on a few systems
  1447. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1448. # indexed CPUs but we're playing safe.
  1449. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1450. # know they might have memory configurations that could make use of highmem
  1451. # support.
  1452. #
  1453. config HIGHMEM
  1454. bool "High Memory Support"
  1455. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1456. config CPU_SUPPORTS_HIGHMEM
  1457. bool
  1458. config SYS_SUPPORTS_HIGHMEM
  1459. bool
  1460. config SYS_SUPPORTS_SMARTMIPS
  1461. bool
  1462. config ARCH_FLATMEM_ENABLE
  1463. def_bool y
  1464. depends on !NUMA
  1465. config ARCH_DISCONTIGMEM_ENABLE
  1466. bool
  1467. default y if SGI_IP27
  1468. help
  1469. Say Y to support efficient handling of discontiguous physical memory,
  1470. for architectures which are either NUMA (Non-Uniform Memory Access)
  1471. or have huge holes in the physical address space for other reasons.
  1472. See <file:Documentation/vm/numa> for more.
  1473. config ARCH_POPULATES_NODE_MAP
  1474. def_bool y
  1475. config ARCH_SPARSEMEM_ENABLE
  1476. bool
  1477. select SPARSEMEM_STATIC
  1478. config NUMA
  1479. bool "NUMA Support"
  1480. depends on SYS_SUPPORTS_NUMA
  1481. help
  1482. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1483. Access). This option improves performance on systems with more
  1484. than two nodes; on two node systems it is generally better to
  1485. leave it disabled; on single node systems disable this option
  1486. disabled.
  1487. config SYS_SUPPORTS_NUMA
  1488. bool
  1489. config NODES_SHIFT
  1490. int
  1491. default "6"
  1492. depends on NEED_MULTIPLE_NODES
  1493. source "mm/Kconfig"
  1494. config SMP
  1495. bool "Multi-Processing support"
  1496. depends on SYS_SUPPORTS_SMP
  1497. select IRQ_PER_CPU
  1498. help
  1499. This enables support for systems with more than one CPU. If you have
  1500. a system with only one CPU, like most personal computers, say N. If
  1501. you have a system with more than one CPU, say Y.
  1502. If you say N here, the kernel will run on single and multiprocessor
  1503. machines, but will use only one CPU of a multiprocessor machine. If
  1504. you say Y here, the kernel will run on many, but not all,
  1505. singleprocessor machines. On a singleprocessor machine, the kernel
  1506. will run faster if you say N here.
  1507. People using multiprocessor machines who say Y here should also say
  1508. Y to "Enhanced Real Time Clock Support", below.
  1509. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1510. available at <http://www.tldp.org/docs.html#howto>.
  1511. If you don't know what to do here, say N.
  1512. config SMP_UP
  1513. bool
  1514. config SYS_SUPPORTS_SMP
  1515. bool
  1516. config NR_CPUS_DEFAULT_1
  1517. bool
  1518. config NR_CPUS_DEFAULT_2
  1519. bool
  1520. config NR_CPUS_DEFAULT_4
  1521. bool
  1522. config NR_CPUS_DEFAULT_8
  1523. bool
  1524. config NR_CPUS_DEFAULT_16
  1525. bool
  1526. config NR_CPUS_DEFAULT_32
  1527. bool
  1528. config NR_CPUS_DEFAULT_64
  1529. bool
  1530. config NR_CPUS
  1531. int "Maximum number of CPUs (2-64)"
  1532. range 1 64 if NR_CPUS_DEFAULT_1
  1533. depends on SMP
  1534. default "1" if NR_CPUS_DEFAULT_1
  1535. default "2" if NR_CPUS_DEFAULT_2
  1536. default "4" if NR_CPUS_DEFAULT_4
  1537. default "8" if NR_CPUS_DEFAULT_8
  1538. default "16" if NR_CPUS_DEFAULT_16
  1539. default "32" if NR_CPUS_DEFAULT_32
  1540. default "64" if NR_CPUS_DEFAULT_64
  1541. help
  1542. This allows you to specify the maximum number of CPUs which this
  1543. kernel will support. The maximum supported value is 32 for 32-bit
  1544. kernel and 64 for 64-bit kernels; the minimum value which makes
  1545. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1546. and 2 for all others.
  1547. This is purely to save memory - each supported CPU adds
  1548. approximately eight kilobytes to the kernel image. For best
  1549. performance should round up your number of processors to the next
  1550. power of two.
  1551. source "kernel/time/Kconfig"
  1552. #
  1553. # Timer Interrupt Frequency Configuration
  1554. #
  1555. choice
  1556. prompt "Timer frequency"
  1557. default HZ_250
  1558. help
  1559. Allows the configuration of the timer frequency.
  1560. config HZ_48
  1561. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1562. config HZ_100
  1563. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1564. config HZ_128
  1565. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1566. config HZ_250
  1567. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1568. config HZ_256
  1569. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1570. config HZ_1000
  1571. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1572. config HZ_1024
  1573. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1574. endchoice
  1575. config SYS_SUPPORTS_48HZ
  1576. bool
  1577. config SYS_SUPPORTS_100HZ
  1578. bool
  1579. config SYS_SUPPORTS_128HZ
  1580. bool
  1581. config SYS_SUPPORTS_250HZ
  1582. bool
  1583. config SYS_SUPPORTS_256HZ
  1584. bool
  1585. config SYS_SUPPORTS_1000HZ
  1586. bool
  1587. config SYS_SUPPORTS_1024HZ
  1588. bool
  1589. config SYS_SUPPORTS_ARBIT_HZ
  1590. bool
  1591. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1592. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1593. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1594. !SYS_SUPPORTS_1024HZ
  1595. config HZ
  1596. int
  1597. default 48 if HZ_48
  1598. default 100 if HZ_100
  1599. default 128 if HZ_128
  1600. default 250 if HZ_250
  1601. default 256 if HZ_256
  1602. default 1000 if HZ_1000
  1603. default 1024 if HZ_1024
  1604. source "kernel/Kconfig.preempt"
  1605. config MIPS_INSANE_LARGE
  1606. bool "Support for large 64-bit configurations"
  1607. depends on CPU_R10000 && 64BIT
  1608. help
  1609. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1610. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1611. need processes of more than 1TB virtual address space, say Y here.
  1612. This will result in additional memory usage, so it is not
  1613. recommended for normal users.
  1614. config KEXEC
  1615. bool "Kexec system call (EXPERIMENTAL)"
  1616. depends on EXPERIMENTAL
  1617. help
  1618. kexec is a system call that implements the ability to shutdown your
  1619. current kernel, and to start another kernel. It is like a reboot
  1620. but it is independent of the system firmware. And like a reboot
  1621. you can start any kernel with it, not just Linux.
  1622. The name comes from the similarity to the exec system call.
  1623. It is an ongoing process to be certain the hardware in a machine
  1624. is properly shutdown, so do not be surprised if this code does not
  1625. initially work for you. It may help to enable device hotplugging
  1626. support. As of this writing the exact hardware interface is
  1627. strongly in flux, so no good recommendation can be made.
  1628. config SECCOMP
  1629. bool "Enable seccomp to safely compute untrusted bytecode"
  1630. depends on PROC_FS
  1631. default y
  1632. help
  1633. This kernel feature is useful for number crunching applications
  1634. that may need to compute untrusted bytecode during their
  1635. execution. By using pipes or other transports made available to
  1636. the process as file descriptors supporting the read/write
  1637. syscalls, it's possible to isolate those applications in
  1638. their own address space using seccomp. Once seccomp is
  1639. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1640. and the task is only allowed to execute a few safe syscalls
  1641. defined by each seccomp mode.
  1642. If unsure, say Y. Only embedded should say N here.
  1643. endmenu
  1644. config RWSEM_GENERIC_SPINLOCK
  1645. bool
  1646. default y
  1647. config LOCKDEP_SUPPORT
  1648. bool
  1649. default y
  1650. config STACKTRACE_SUPPORT
  1651. bool
  1652. default y
  1653. source "init/Kconfig"
  1654. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1655. config HW_HAS_EISA
  1656. bool
  1657. config HW_HAS_PCI
  1658. bool
  1659. config PCI
  1660. bool "Support for PCI controller"
  1661. depends on HW_HAS_PCI
  1662. select PCI_DOMAINS
  1663. help
  1664. Find out whether you have a PCI motherboard. PCI is the name of a
  1665. bus system, i.e. the way the CPU talks to the other stuff inside
  1666. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1667. say Y, otherwise N.
  1668. The PCI-HOWTO, available from
  1669. <http://www.tldp.org/docs.html#howto>, contains valuable
  1670. information about which PCI hardware does work under Linux and which
  1671. doesn't.
  1672. config PCI_DOMAINS
  1673. bool
  1674. source "drivers/pci/Kconfig"
  1675. #
  1676. # ISA support is now enabled via select. Too many systems still have the one
  1677. # or other ISA chip on the board that users don't know about so don't expect
  1678. # users to choose the right thing ...
  1679. #
  1680. config ISA
  1681. bool
  1682. config EISA
  1683. bool "EISA support"
  1684. depends on HW_HAS_EISA
  1685. select ISA
  1686. select GENERIC_ISA_DMA
  1687. ---help---
  1688. The Extended Industry Standard Architecture (EISA) bus was
  1689. developed as an open alternative to the IBM MicroChannel bus.
  1690. The EISA bus provided some of the features of the IBM MicroChannel
  1691. bus while maintaining backward compatibility with cards made for
  1692. the older ISA bus. The EISA bus saw limited use between 1988 and
  1693. 1995 when it was made obsolete by the PCI bus.
  1694. Say Y here if you are building a kernel for an EISA-based machine.
  1695. Otherwise, say N.
  1696. source "drivers/eisa/Kconfig"
  1697. config TC
  1698. bool "TURBOchannel support"
  1699. depends on MACH_DECSTATION
  1700. help
  1701. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1702. processors. Documentation on writing device drivers for TurboChannel
  1703. is available at:
  1704. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1705. #config ACCESSBUS
  1706. # bool "Access.Bus support"
  1707. # depends on TC
  1708. config MMU
  1709. bool
  1710. default y
  1711. config I8253
  1712. bool
  1713. config ZONE_DMA32
  1714. bool
  1715. source "drivers/pcmcia/Kconfig"
  1716. source "drivers/pci/hotplug/Kconfig"
  1717. endmenu
  1718. menu "Executable file formats"
  1719. source "fs/Kconfig.binfmt"
  1720. config TRAD_SIGNALS
  1721. bool
  1722. config BINFMT_IRIX
  1723. bool "Include IRIX binary compatibility"
  1724. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1725. config MIPS32_COMPAT
  1726. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1727. depends on 64BIT
  1728. help
  1729. Select this option if you want Linux/MIPS 32-bit binary
  1730. compatibility. Since all software available for Linux/MIPS is
  1731. currently 32-bit you should say Y here.
  1732. config COMPAT
  1733. bool
  1734. depends on MIPS32_COMPAT
  1735. default y
  1736. config SYSVIPC_COMPAT
  1737. bool
  1738. depends on COMPAT && SYSVIPC
  1739. default y
  1740. config MIPS32_O32
  1741. bool "Kernel support for o32 binaries"
  1742. depends on MIPS32_COMPAT
  1743. help
  1744. Select this option if you want to run o32 binaries. These are pure
  1745. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1746. existing binaries are in this format.
  1747. If unsure, say Y.
  1748. config MIPS32_N32
  1749. bool "Kernel support for n32 binaries"
  1750. depends on MIPS32_COMPAT
  1751. help
  1752. Select this option if you want to run n32 binaries. These are
  1753. 64-bit binaries using 32-bit quantities for addressing and certain
  1754. data that would normally be 64-bit. They are used in special
  1755. cases.
  1756. If unsure, say N.
  1757. config BINFMT_ELF32
  1758. bool
  1759. default y if MIPS32_O32 || MIPS32_N32
  1760. endmenu
  1761. menu "Power management options"
  1762. source "kernel/power/Kconfig"
  1763. endmenu
  1764. source "net/Kconfig"
  1765. source "drivers/Kconfig"
  1766. source "fs/Kconfig"
  1767. source "kernel/Kconfig.instrumentation"
  1768. source "arch/mips/Kconfig.debug"
  1769. source "security/Kconfig"
  1770. source "crypto/Kconfig"
  1771. source "lib/Kconfig"