Kconfig 52 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. mainmenu "Linux/MIPS Kernel Configuration"
  7. menu "Machine selection"
  8. config ZONE_DMA
  9. bool
  10. choice
  11. prompt "System type"
  12. default SGI_IP22
  13. config MIPS_MTX1
  14. bool "4G Systems MTX-1 board"
  15. select DMA_NONCOHERENT
  16. select HW_HAS_PCI
  17. select RESOURCES_64BIT if PCI
  18. select SOC_AU1500
  19. select SYS_HAS_CPU_MIPS32_R1
  20. select SYS_SUPPORTS_LITTLE_ENDIAN
  21. config MIPS_BOSPORUS
  22. bool "AMD Alchemy Bosporus board"
  23. select SOC_AU1500
  24. select DMA_NONCOHERENT
  25. select SYS_HAS_CPU_MIPS32_R1
  26. select SYS_SUPPORTS_LITTLE_ENDIAN
  27. config MIPS_PB1000
  28. bool "AMD Alchemy PB1000 board"
  29. select SOC_AU1000
  30. select DMA_NONCOHERENT
  31. select HW_HAS_PCI
  32. select RESOURCES_64BIT if PCI
  33. select SWAP_IO_SPACE
  34. select SYS_HAS_CPU_MIPS32_R1
  35. select SYS_SUPPORTS_LITTLE_ENDIAN
  36. config MIPS_PB1100
  37. bool "AMD Alchemy PB1100 board"
  38. select SOC_AU1100
  39. select DMA_NONCOHERENT
  40. select HW_HAS_PCI
  41. select RESOURCES_64BIT if PCI
  42. select SWAP_IO_SPACE
  43. select SYS_HAS_CPU_MIPS32_R1
  44. select SYS_SUPPORTS_LITTLE_ENDIAN
  45. config MIPS_PB1500
  46. bool "AMD Alchemy PB1500 board"
  47. select SOC_AU1500
  48. select DMA_NONCOHERENT
  49. select HW_HAS_PCI
  50. select RESOURCES_64BIT if PCI
  51. select SYS_HAS_CPU_MIPS32_R1
  52. select SYS_SUPPORTS_LITTLE_ENDIAN
  53. config MIPS_PB1550
  54. bool "AMD Alchemy PB1550 board"
  55. select SOC_AU1550
  56. select DMA_NONCOHERENT
  57. select HW_HAS_PCI
  58. select MIPS_DISABLE_OBSOLETE_IDE
  59. select RESOURCES_64BIT if PCI
  60. select SYS_HAS_CPU_MIPS32_R1
  61. select SYS_SUPPORTS_LITTLE_ENDIAN
  62. config MIPS_PB1200
  63. bool "AMD Alchemy PB1200 board"
  64. select SOC_AU1200
  65. select DMA_NONCOHERENT
  66. select MIPS_DISABLE_OBSOLETE_IDE
  67. select RESOURCES_64BIT if PCI
  68. select SYS_HAS_CPU_MIPS32_R1
  69. select SYS_SUPPORTS_LITTLE_ENDIAN
  70. config MIPS_DB1000
  71. bool "AMD Alchemy DB1000 board"
  72. select SOC_AU1000
  73. select DMA_NONCOHERENT
  74. select HW_HAS_PCI
  75. select RESOURCES_64BIT if PCI
  76. select SYS_HAS_CPU_MIPS32_R1
  77. select SYS_SUPPORTS_LITTLE_ENDIAN
  78. config MIPS_DB1100
  79. bool "AMD Alchemy DB1100 board"
  80. select SOC_AU1100
  81. select DMA_NONCOHERENT
  82. select SYS_HAS_CPU_MIPS32_R1
  83. select SYS_SUPPORTS_LITTLE_ENDIAN
  84. config MIPS_DB1500
  85. bool "AMD Alchemy DB1500 board"
  86. select SOC_AU1500
  87. select DMA_NONCOHERENT
  88. select HW_HAS_PCI
  89. select MIPS_DISABLE_OBSOLETE_IDE
  90. select RESOURCES_64BIT if PCI
  91. select SYS_HAS_CPU_MIPS32_R1
  92. select SYS_SUPPORTS_BIG_ENDIAN
  93. select SYS_SUPPORTS_LITTLE_ENDIAN
  94. config MIPS_DB1550
  95. bool "AMD Alchemy DB1550 board"
  96. select SOC_AU1550
  97. select HW_HAS_PCI
  98. select DMA_NONCOHERENT
  99. select MIPS_DISABLE_OBSOLETE_IDE
  100. select RESOURCES_64BIT if PCI
  101. select SYS_HAS_CPU_MIPS32_R1
  102. select SYS_SUPPORTS_LITTLE_ENDIAN
  103. config MIPS_DB1200
  104. bool "AMD Alchemy DB1200 board"
  105. select SOC_AU1200
  106. select DMA_COHERENT
  107. select MIPS_DISABLE_OBSOLETE_IDE
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_LITTLE_ENDIAN
  110. config MIPS_MIRAGE
  111. bool "AMD Alchemy Mirage board"
  112. select DMA_NONCOHERENT
  113. select SOC_AU1500
  114. select SYS_HAS_CPU_MIPS32_R1
  115. select SYS_SUPPORTS_LITTLE_ENDIAN
  116. config BASLER_EXCITE
  117. bool "Basler eXcite smart camera"
  118. select DMA_COHERENT
  119. select HW_HAS_PCI
  120. select IRQ_CPU
  121. select IRQ_CPU_RM7K
  122. select IRQ_CPU_RM9K
  123. select MIPS_RM9122
  124. select SYS_HAS_CPU_RM9000
  125. select SYS_SUPPORTS_32BIT_KERNEL
  126. select SYS_SUPPORTS_64BIT_KERNEL
  127. select SYS_SUPPORTS_BIG_ENDIAN
  128. select SYS_SUPPORTS_KGDB
  129. help
  130. The eXcite is a smart camera platform manufactured by
  131. Basler Vision Technologies AG.
  132. config BASLER_EXCITE_PROTOTYPE
  133. bool "Support for pre-release units"
  134. depends on BASLER_EXCITE
  135. default n
  136. help
  137. Pre-series (prototype) units are different from later ones in
  138. some ways. Select this option if you have one of these. Please
  139. note that a kernel built with this option selected will not be
  140. able to run on normal units.
  141. config MIPS_COBALT
  142. bool "Cobalt Server"
  143. select DMA_NONCOHERENT
  144. select HW_HAS_PCI
  145. select I8259
  146. select IRQ_CPU
  147. select PCI_GT64XXX_PCI0
  148. select SYS_HAS_CPU_NEVADA
  149. select SYS_HAS_EARLY_PRINTK
  150. select SYS_SUPPORTS_32BIT_KERNEL
  151. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  152. select SYS_SUPPORTS_LITTLE_ENDIAN
  153. select GENERIC_HARDIRQS_NO__DO_IRQ
  154. config MACH_DECSTATION
  155. bool "DECstations"
  156. select BOOT_ELF32
  157. select DMA_NONCOHERENT
  158. select SYS_HAS_EARLY_PRINTK
  159. select IRQ_CPU
  160. select SYS_HAS_CPU_R3000
  161. select SYS_HAS_CPU_R4X00
  162. select SYS_SUPPORTS_32BIT_KERNEL
  163. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  164. select SYS_SUPPORTS_LITTLE_ENDIAN
  165. select SYS_SUPPORTS_128HZ
  166. select SYS_SUPPORTS_256HZ
  167. select SYS_SUPPORTS_1024HZ
  168. help
  169. This enables support for DEC's MIPS based workstations. For details
  170. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  171. DECstation porting pages on <http://decstation.unix-ag.org/>.
  172. If you have one of the following DECstation Models you definitely
  173. want to choose R4xx0 for the CPU Type:
  174. DECstation 5000/50
  175. DECstation 5000/150
  176. DECstation 5000/260
  177. DECsystem 5900/260
  178. otherwise choose R3000.
  179. config MIPS_EV64120
  180. bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  181. depends on EXPERIMENTAL
  182. select DMA_NONCOHERENT
  183. select HW_HAS_PCI
  184. select PCI_GT64XXX_PCI0
  185. select SYS_HAS_CPU_R5000
  186. select SYS_SUPPORTS_32BIT_KERNEL
  187. select SYS_SUPPORTS_64BIT_KERNEL
  188. select SYS_SUPPORTS_BIG_ENDIAN
  189. select SYS_SUPPORTS_KGDB
  190. help
  191. This is an evaluation board based on the Galileo GT-64120
  192. single-chip system controller that contains a MIPS R5000 compatible
  193. core running at 75/100MHz. Their website is located at
  194. <http://www.marvell.com/>. Say Y here if you wish to build a
  195. kernel for this platform.
  196. config MACH_JAZZ
  197. bool "Jazz family of machines"
  198. select ARC
  199. select ARC32
  200. select ARCH_MAY_HAVE_PC_FDC
  201. select GENERIC_ISA_DMA
  202. select I8253
  203. select I8259
  204. select ISA
  205. select SYS_HAS_CPU_R4X00
  206. select SYS_SUPPORTS_32BIT_KERNEL
  207. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  208. select SYS_SUPPORTS_100HZ
  209. select GENERIC_HARDIRQS_NO__DO_IRQ
  210. help
  211. This a family of machines based on the MIPS R4030 chipset which was
  212. used by several vendors to build RISC/os and Windows NT workstations.
  213. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  214. Olivetti M700-10 workstations.
  215. config LASAT
  216. bool "LASAT Networks platforms"
  217. select DMA_NONCOHERENT
  218. select SYS_HAS_EARLY_PRINTK
  219. select HW_HAS_PCI
  220. select PCI_GT64XXX_PCI0
  221. select MIPS_NILE4
  222. select R5000_CPU_SCACHE
  223. select SYS_HAS_CPU_R5000
  224. select SYS_SUPPORTS_32BIT_KERNEL
  225. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  226. select SYS_SUPPORTS_LITTLE_ENDIAN
  227. select GENERIC_HARDIRQS_NO__DO_IRQ
  228. config MIPS_ATLAS
  229. bool "MIPS Atlas board"
  230. select BOOT_ELF32
  231. select DMA_NONCOHERENT
  232. select SYS_HAS_EARLY_PRINTK
  233. select IRQ_CPU
  234. select HW_HAS_PCI
  235. select MIPS_BOARDS_GEN
  236. select MIPS_BONITO64
  237. select PCI_GT64XXX_PCI0
  238. select MIPS_MSC
  239. select RM7000_CPU_SCACHE
  240. select SWAP_IO_SPACE
  241. select SYS_HAS_CPU_MIPS32_R1
  242. select SYS_HAS_CPU_MIPS32_R2
  243. select SYS_HAS_CPU_MIPS64_R1
  244. select SYS_HAS_CPU_NEVADA
  245. select SYS_HAS_CPU_RM7000
  246. select SYS_SUPPORTS_32BIT_KERNEL
  247. select SYS_SUPPORTS_64BIT_KERNEL
  248. select SYS_SUPPORTS_BIG_ENDIAN
  249. select SYS_SUPPORTS_LITTLE_ENDIAN
  250. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  251. select SYS_SUPPORTS_SMARTMIPS
  252. select GENERIC_HARDIRQS_NO__DO_IRQ
  253. help
  254. This enables support for the MIPS Technologies Atlas evaluation
  255. board.
  256. config MIPS_MALTA
  257. bool "MIPS Malta board"
  258. select ARCH_MAY_HAVE_PC_FDC
  259. select BOOT_ELF32
  260. select HAVE_STD_PC_SERIAL_PORT
  261. select DMA_NONCOHERENT
  262. select GENERIC_ISA_DMA
  263. select IRQ_CPU
  264. select HW_HAS_PCI
  265. select I8259
  266. select MIPS_BOARDS_GEN
  267. select MIPS_BONITO64
  268. select MIPS_CPU_SCACHE
  269. select PCI_GT64XXX_PCI0
  270. select MIPS_MSC
  271. select SWAP_IO_SPACE
  272. select SYS_HAS_CPU_MIPS32_R1
  273. select SYS_HAS_CPU_MIPS32_R2
  274. select SYS_HAS_CPU_MIPS64_R1
  275. select SYS_HAS_CPU_NEVADA
  276. select SYS_HAS_CPU_RM7000
  277. select SYS_HAS_EARLY_PRINTK
  278. select SYS_SUPPORTS_32BIT_KERNEL
  279. select SYS_SUPPORTS_64BIT_KERNEL
  280. select SYS_SUPPORTS_BIG_ENDIAN
  281. select SYS_SUPPORTS_LITTLE_ENDIAN
  282. select SYS_SUPPORTS_MULTITHREADING
  283. select SYS_SUPPORTS_SMARTMIPS
  284. help
  285. This enables support for the MIPS Technologies Malta evaluation
  286. board.
  287. config MIPS_SEAD
  288. bool "MIPS SEAD board (EXPERIMENTAL)"
  289. depends on EXPERIMENTAL
  290. select IRQ_CPU
  291. select DMA_NONCOHERENT
  292. select SYS_HAS_EARLY_PRINTK
  293. select MIPS_BOARDS_GEN
  294. select SYS_HAS_CPU_MIPS32_R1
  295. select SYS_HAS_CPU_MIPS32_R2
  296. select SYS_HAS_CPU_MIPS64_R1
  297. select SYS_SUPPORTS_32BIT_KERNEL
  298. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  299. select SYS_SUPPORTS_BIG_ENDIAN
  300. select SYS_SUPPORTS_LITTLE_ENDIAN
  301. select SYS_SUPPORTS_SMARTMIPS
  302. help
  303. This enables support for the MIPS Technologies SEAD evaluation
  304. board.
  305. config WR_PPMC
  306. bool "Wind River PPMC board"
  307. select IRQ_CPU
  308. select BOOT_ELF32
  309. select DMA_NONCOHERENT
  310. select HW_HAS_PCI
  311. select PCI_GT64XXX_PCI0
  312. select SWAP_IO_SPACE
  313. select SYS_HAS_CPU_MIPS32_R1
  314. select SYS_HAS_CPU_MIPS32_R2
  315. select SYS_HAS_CPU_MIPS64_R1
  316. select SYS_HAS_CPU_NEVADA
  317. select SYS_HAS_CPU_RM7000
  318. select SYS_SUPPORTS_32BIT_KERNEL
  319. select SYS_SUPPORTS_64BIT_KERNEL
  320. select SYS_SUPPORTS_BIG_ENDIAN
  321. select SYS_SUPPORTS_LITTLE_ENDIAN
  322. help
  323. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  324. board, which is based on GT64120 bridge chip.
  325. config MIPS_SIM
  326. bool 'MIPS simulator (MIPSsim)'
  327. select DMA_NONCOHERENT
  328. select SYS_HAS_EARLY_PRINTK
  329. select IRQ_CPU
  330. select SYS_HAS_CPU_MIPS32_R1
  331. select SYS_HAS_CPU_MIPS32_R2
  332. select SYS_HAS_EARLY_PRINTK
  333. select SYS_SUPPORTS_32BIT_KERNEL
  334. select SYS_SUPPORTS_BIG_ENDIAN
  335. select SYS_SUPPORTS_LITTLE_ENDIAN
  336. help
  337. This option enables support for MIPS Technologies MIPSsim software
  338. emulator.
  339. config MOMENCO_JAGUAR_ATX
  340. bool "Momentum Jaguar board"
  341. select BOOT_ELF32
  342. select DMA_NONCOHERENT
  343. select HW_HAS_PCI
  344. select IRQ_CPU
  345. select IRQ_CPU_RM7K
  346. select IRQ_MV64340
  347. select LIMITED_DMA
  348. select PCI_MARVELL
  349. select RM7000_CPU_SCACHE
  350. select SWAP_IO_SPACE
  351. select SYS_HAS_CPU_RM9000
  352. select SYS_HAS_EARLY_PRINTK
  353. select SYS_SUPPORTS_32BIT_KERNEL
  354. select SYS_SUPPORTS_64BIT_KERNEL
  355. select SYS_SUPPORTS_BIG_ENDIAN
  356. select SYS_SUPPORTS_KGDB
  357. help
  358. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  359. Momentum Computer <http://www.momenco.com/>.
  360. config MOMENCO_OCELOT
  361. bool "Momentum Ocelot board"
  362. select DMA_NONCOHERENT
  363. select HW_HAS_PCI
  364. select IRQ_CPU
  365. select IRQ_CPU_RM7K
  366. select PCI_GT64XXX_PCI0
  367. select RM7000_CPU_SCACHE
  368. select SWAP_IO_SPACE
  369. select SYS_HAS_CPU_RM7000
  370. select SYS_SUPPORTS_32BIT_KERNEL
  371. select SYS_SUPPORTS_64BIT_KERNEL
  372. select SYS_SUPPORTS_BIG_ENDIAN
  373. select SYS_SUPPORTS_KGDB
  374. help
  375. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  376. Momentum Computer <http://www.momenco.com/>.
  377. config MOMENCO_OCELOT_3
  378. bool "Momentum Ocelot-3 board"
  379. select BOOT_ELF32
  380. select DMA_NONCOHERENT
  381. select HW_HAS_PCI
  382. select IRQ_CPU
  383. select IRQ_CPU_RM7K
  384. select IRQ_MV64340
  385. select PCI_MARVELL
  386. select RM7000_CPU_SCACHE
  387. select SWAP_IO_SPACE
  388. select SYS_HAS_CPU_RM9000
  389. select SYS_SUPPORTS_32BIT_KERNEL
  390. select SYS_SUPPORTS_64BIT_KERNEL
  391. select SYS_SUPPORTS_BIG_ENDIAN
  392. help
  393. The Ocelot-3 is based off Discovery III System Controller and
  394. PMC-Sierra Rm79000 core.
  395. config MOMENCO_OCELOT_C
  396. bool "Momentum Ocelot-C board"
  397. select DMA_NONCOHERENT
  398. select HW_HAS_PCI
  399. select IRQ_CPU
  400. select IRQ_MV64340
  401. select PCI_MARVELL
  402. select RM7000_CPU_SCACHE
  403. select SWAP_IO_SPACE
  404. select SYS_HAS_CPU_RM7000
  405. select SYS_SUPPORTS_32BIT_KERNEL
  406. select SYS_SUPPORTS_64BIT_KERNEL
  407. select SYS_SUPPORTS_BIG_ENDIAN
  408. select GENERIC_HARDIRQS_NO__DO_IRQ
  409. help
  410. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  411. Momentum Computer <http://www.momenco.com/>.
  412. config MOMENCO_OCELOT_G
  413. bool "Momentum Ocelot-G board"
  414. select DMA_NONCOHERENT
  415. select HW_HAS_PCI
  416. select IRQ_CPU
  417. select IRQ_CPU_RM7K
  418. select PCI_MARVELL
  419. select RM7000_CPU_SCACHE
  420. select SWAP_IO_SPACE
  421. select SYS_HAS_CPU_RM7000
  422. select SYS_SUPPORTS_32BIT_KERNEL
  423. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  424. select SYS_SUPPORTS_BIG_ENDIAN
  425. help
  426. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  427. Momentum Computer <http://www.momenco.com/>.
  428. config MIPS_XXS1500
  429. bool "MyCable XXS1500 board"
  430. select DMA_NONCOHERENT
  431. select SOC_AU1500
  432. select SYS_SUPPORTS_LITTLE_ENDIAN
  433. config PNX8550_JBS
  434. bool "Philips PNX8550 based JBS board"
  435. select PNX8550
  436. select SYS_SUPPORTS_LITTLE_ENDIAN
  437. config PNX8550_STB810
  438. bool "Support for Philips PNX8550 based STB810 board"
  439. select PNX8550
  440. select SYS_SUPPORTS_LITTLE_ENDIAN
  441. config DDB5477
  442. bool "NEC DDB Vrc-5477"
  443. select DDB5XXX_COMMON
  444. select DMA_NONCOHERENT
  445. select HW_HAS_PCI
  446. select I8259
  447. select IRQ_CPU
  448. select SYS_HAS_CPU_R5432
  449. select SYS_SUPPORTS_32BIT_KERNEL
  450. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  451. select SYS_SUPPORTS_KGDB
  452. select SYS_SUPPORTS_KGDB
  453. select SYS_SUPPORTS_LITTLE_ENDIAN
  454. help
  455. This enables support for the R5432-based NEC DDB Vrc-5477,
  456. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  457. Features : kernel debugging, serial terminal, NFS root fs, on-board
  458. ether port USB, AC97, PCI, etc.
  459. config MACH_VR41XX
  460. bool "NEC VR4100 series based machines"
  461. select SYS_HAS_CPU_VR41XX
  462. select GENERIC_HARDIRQS_NO__DO_IRQ
  463. config PMC_YOSEMITE
  464. bool "PMC-Sierra Yosemite eval board"
  465. select DMA_COHERENT
  466. select HW_HAS_PCI
  467. select IRQ_CPU
  468. select IRQ_CPU_RM7K
  469. select IRQ_CPU_RM9K
  470. select SWAP_IO_SPACE
  471. select SYS_HAS_CPU_RM9000
  472. select SYS_HAS_EARLY_PRINTK
  473. select SYS_SUPPORTS_32BIT_KERNEL
  474. select SYS_SUPPORTS_64BIT_KERNEL
  475. select SYS_SUPPORTS_BIG_ENDIAN
  476. select SYS_SUPPORTS_HIGHMEM
  477. select SYS_SUPPORTS_KGDB
  478. select SYS_SUPPORTS_SMP
  479. help
  480. Yosemite is an evaluation board for the RM9000x2 processor
  481. manufactured by PMC-Sierra.
  482. config QEMU
  483. bool "Qemu"
  484. select DMA_COHERENT
  485. select GENERIC_ISA_DMA
  486. select HAVE_STD_PC_SERIAL_PORT
  487. select I8253
  488. select I8259
  489. select ISA
  490. select SWAP_IO_SPACE
  491. select SYS_HAS_CPU_MIPS32_R1
  492. select SYS_SUPPORTS_32BIT_KERNEL
  493. select SYS_SUPPORTS_BIG_ENDIAN
  494. select SYS_SUPPORTS_LITTLE_ENDIAN
  495. select ARCH_SPARSEMEM_ENABLE
  496. select GENERIC_HARDIRQS_NO__DO_IRQ
  497. select NR_CPUS_DEFAULT_1
  498. select SYS_SUPPORTS_SMP
  499. help
  500. Qemu is a software emulator which among other architectures also
  501. can simulate a MIPS32 4Kc system. This patch adds support for the
  502. system architecture that currently is being simulated by Qemu. It
  503. will eventually be removed again when Qemu has the capability to
  504. simulate actual MIPS hardware platforms. More information on Qemu
  505. can be found at http://www.linux-mips.org/wiki/Qemu.
  506. config MARKEINS
  507. bool "Support for NEC EMMA2RH Mark-eins"
  508. select DMA_NONCOHERENT
  509. select HW_HAS_PCI
  510. select IRQ_CPU
  511. select SWAP_IO_SPACE
  512. select SYS_SUPPORTS_32BIT_KERNEL
  513. select SYS_SUPPORTS_BIG_ENDIAN
  514. select SYS_SUPPORTS_LITTLE_ENDIAN
  515. select SYS_HAS_CPU_R5000
  516. help
  517. This enables support for the R5432-based NEC Mark-eins
  518. boards with R5500 CPU.
  519. config SGI_IP22
  520. bool "SGI IP22 (Indy/Indigo2)"
  521. select ARC
  522. select ARC32
  523. select BOOT_ELF32
  524. select DMA_NONCOHERENT
  525. select HW_HAS_EISA
  526. select IP22_CPU_SCACHE
  527. select IRQ_CPU
  528. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  529. select SWAP_IO_SPACE
  530. select SYS_HAS_CPU_R4X00
  531. select SYS_HAS_CPU_R5000
  532. select SYS_HAS_EARLY_PRINTK
  533. select SYS_SUPPORTS_32BIT_KERNEL
  534. select SYS_SUPPORTS_64BIT_KERNEL
  535. select SYS_SUPPORTS_BIG_ENDIAN
  536. help
  537. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  538. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  539. that runs on these, say Y here.
  540. config SGI_IP27
  541. bool "SGI IP27 (Origin200/2000)"
  542. select ARC
  543. select ARC64
  544. select BOOT_ELF64
  545. select DMA_IP27
  546. select SYS_HAS_EARLY_PRINTK
  547. select HW_HAS_PCI
  548. select NR_CPUS_DEFAULT_64
  549. select PCI_DOMAINS
  550. select SYS_HAS_CPU_R10000
  551. select SYS_SUPPORTS_64BIT_KERNEL
  552. select SYS_SUPPORTS_BIG_ENDIAN
  553. select SYS_SUPPORTS_KGDB
  554. select SYS_SUPPORTS_NUMA
  555. select SYS_SUPPORTS_SMP
  556. select GENERIC_HARDIRQS_NO__DO_IRQ
  557. help
  558. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  559. workstations. To compile a Linux kernel that runs on these, say Y
  560. here.
  561. config SGI_IP32
  562. bool "SGI IP32 (O2) (EXPERIMENTAL)"
  563. depends on EXPERIMENTAL
  564. select ARC
  565. select ARC32
  566. select BOOT_ELF32
  567. select DMA_NONCOHERENT
  568. select HW_HAS_PCI
  569. select R5000_CPU_SCACHE
  570. select RM7000_CPU_SCACHE
  571. select SYS_HAS_CPU_R5000
  572. select SYS_HAS_CPU_R10000 if BROKEN
  573. select SYS_HAS_CPU_RM7000
  574. select SYS_HAS_CPU_NEVADA
  575. select SYS_SUPPORTS_64BIT_KERNEL
  576. select SYS_SUPPORTS_BIG_ENDIAN
  577. help
  578. If you want this kernel to run on SGI O2 workstation, say Y here.
  579. config SIBYTE_BIGSUR
  580. bool "Sibyte BCM91480B-BigSur"
  581. select BOOT_ELF32
  582. select DMA_COHERENT
  583. select NR_CPUS_DEFAULT_4
  584. select PCI_DOMAINS
  585. select SIBYTE_BCM1x80
  586. select SWAP_IO_SPACE
  587. select SYS_HAS_CPU_SB1
  588. select SYS_SUPPORTS_BIG_ENDIAN
  589. select SYS_SUPPORTS_LITTLE_ENDIAN
  590. config SIBYTE_SWARM
  591. bool "Sibyte BCM91250A-SWARM"
  592. select BOOT_ELF32
  593. select DMA_COHERENT
  594. select NR_CPUS_DEFAULT_2
  595. select SIBYTE_SB1250
  596. select SWAP_IO_SPACE
  597. select SYS_HAS_CPU_SB1
  598. select SYS_SUPPORTS_BIG_ENDIAN
  599. select SYS_SUPPORTS_HIGHMEM
  600. select SYS_SUPPORTS_KGDB
  601. select SYS_SUPPORTS_LITTLE_ENDIAN
  602. config SIBYTE_SENTOSA
  603. bool "Sibyte BCM91250E-Sentosa"
  604. depends on EXPERIMENTAL
  605. select BOOT_ELF32
  606. select DMA_COHERENT
  607. select NR_CPUS_DEFAULT_2
  608. select SIBYTE_SB1250
  609. select SWAP_IO_SPACE
  610. select SYS_HAS_CPU_SB1
  611. select SYS_SUPPORTS_BIG_ENDIAN
  612. select SYS_SUPPORTS_LITTLE_ENDIAN
  613. config SIBYTE_RHONE
  614. bool "Sibyte BCM91125E-Rhone"
  615. depends on EXPERIMENTAL
  616. select BOOT_ELF32
  617. select DMA_COHERENT
  618. select SIBYTE_BCM1125H
  619. select SWAP_IO_SPACE
  620. select SYS_HAS_CPU_SB1
  621. select SYS_SUPPORTS_BIG_ENDIAN
  622. select SYS_SUPPORTS_LITTLE_ENDIAN
  623. config SIBYTE_CARMEL
  624. bool "Sibyte BCM91120x-Carmel"
  625. depends on EXPERIMENTAL
  626. select BOOT_ELF32
  627. select DMA_COHERENT
  628. select SIBYTE_BCM1120
  629. select SWAP_IO_SPACE
  630. select SYS_HAS_CPU_SB1
  631. select SYS_SUPPORTS_BIG_ENDIAN
  632. select SYS_SUPPORTS_LITTLE_ENDIAN
  633. config SIBYTE_PTSWARM
  634. bool "Sibyte BCM91250PT-PTSWARM"
  635. depends on EXPERIMENTAL
  636. select BOOT_ELF32
  637. select DMA_COHERENT
  638. select NR_CPUS_DEFAULT_2
  639. select SIBYTE_SB1250
  640. select SWAP_IO_SPACE
  641. select SYS_HAS_CPU_SB1
  642. select SYS_SUPPORTS_BIG_ENDIAN
  643. select SYS_SUPPORTS_HIGHMEM
  644. select SYS_SUPPORTS_LITTLE_ENDIAN
  645. config SIBYTE_LITTLESUR
  646. bool "Sibyte BCM91250C2-LittleSur"
  647. depends on EXPERIMENTAL
  648. select BOOT_ELF32
  649. select DMA_COHERENT
  650. select NR_CPUS_DEFAULT_2
  651. select SIBYTE_SB1250
  652. select SWAP_IO_SPACE
  653. select SYS_HAS_CPU_SB1
  654. select SYS_SUPPORTS_BIG_ENDIAN
  655. select SYS_SUPPORTS_HIGHMEM
  656. select SYS_SUPPORTS_LITTLE_ENDIAN
  657. config SIBYTE_CRHINE
  658. bool "Sibyte BCM91120C-CRhine"
  659. depends on EXPERIMENTAL
  660. select BOOT_ELF32
  661. select DMA_COHERENT
  662. select SIBYTE_BCM1120
  663. select SWAP_IO_SPACE
  664. select SYS_HAS_CPU_SB1
  665. select SYS_SUPPORTS_BIG_ENDIAN
  666. select SYS_SUPPORTS_LITTLE_ENDIAN
  667. config SIBYTE_CRHONE
  668. bool "Sibyte BCM91125C-CRhone"
  669. depends on EXPERIMENTAL
  670. select BOOT_ELF32
  671. select DMA_COHERENT
  672. select SIBYTE_BCM1125
  673. select SWAP_IO_SPACE
  674. select SYS_HAS_CPU_SB1
  675. select SYS_SUPPORTS_BIG_ENDIAN
  676. select SYS_SUPPORTS_HIGHMEM
  677. select SYS_SUPPORTS_LITTLE_ENDIAN
  678. config SNI_RM
  679. bool "SNI RM200/300/400"
  680. select ARC if CPU_LITTLE_ENDIAN
  681. select ARC32 if CPU_LITTLE_ENDIAN
  682. select ARCH_MAY_HAVE_PC_FDC
  683. select BOOT_ELF32
  684. select DMA_NONCOHERENT
  685. select GENERIC_ISA_DMA
  686. select HW_HAS_EISA
  687. select HW_HAS_PCI
  688. select IRQ_CPU
  689. select I8253
  690. select I8259
  691. select ISA
  692. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  693. select SYS_HAS_CPU_R4X00
  694. select SYS_HAS_CPU_R5000
  695. select SYS_HAS_CPU_R10000
  696. select R5000_CPU_SCACHE
  697. select SYS_HAS_EARLY_PRINTK
  698. select SYS_SUPPORTS_32BIT_KERNEL
  699. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  700. select SYS_SUPPORTS_BIG_ENDIAN
  701. select SYS_SUPPORTS_HIGHMEM
  702. select SYS_SUPPORTS_LITTLE_ENDIAN
  703. help
  704. The SNI RM200/300/400 are MIPS-based machines manufactured by
  705. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  706. Technology and now in turn merged with Fujitsu. Say Y here to
  707. support this machine type.
  708. config TOSHIBA_JMR3927
  709. bool "Toshiba JMR-TX3927 board"
  710. select DMA_NONCOHERENT
  711. select HW_HAS_PCI
  712. select MIPS_TX3927
  713. select SWAP_IO_SPACE
  714. select SYS_HAS_CPU_TX39XX
  715. select SYS_SUPPORTS_32BIT_KERNEL
  716. select SYS_SUPPORTS_LITTLE_ENDIAN
  717. select SYS_SUPPORTS_BIG_ENDIAN
  718. select TOSHIBA_BOARDS
  719. select GENERIC_HARDIRQS_NO__DO_IRQ
  720. config TOSHIBA_RBTX4927
  721. bool "Toshiba TBTX49[23]7 board"
  722. select DMA_NONCOHERENT
  723. select HAS_TXX9_SERIAL
  724. select HW_HAS_PCI
  725. select I8259
  726. select SWAP_IO_SPACE
  727. select SYS_HAS_CPU_TX49XX
  728. select SYS_SUPPORTS_32BIT_KERNEL
  729. select SYS_SUPPORTS_64BIT_KERNEL
  730. select SYS_SUPPORTS_LITTLE_ENDIAN
  731. select SYS_SUPPORTS_BIG_ENDIAN
  732. select SYS_SUPPORTS_KGDB
  733. select TOSHIBA_BOARDS
  734. select GENERIC_HARDIRQS_NO__DO_IRQ
  735. help
  736. This Toshiba board is based on the TX4927 processor. Say Y here to
  737. support this machine type
  738. config TOSHIBA_RBTX4938
  739. bool "Toshiba RBTX4938 board"
  740. select HAVE_STD_PC_SERIAL_PORT
  741. select DMA_NONCOHERENT
  742. select GENERIC_ISA_DMA
  743. select HAS_TXX9_SERIAL
  744. select HW_HAS_PCI
  745. select I8259
  746. select SWAP_IO_SPACE
  747. select SYS_HAS_CPU_TX49XX
  748. select SYS_SUPPORTS_32BIT_KERNEL
  749. select SYS_SUPPORTS_LITTLE_ENDIAN
  750. select SYS_SUPPORTS_BIG_ENDIAN
  751. select SYS_SUPPORTS_KGDB
  752. select TOSHIBA_BOARDS
  753. select GENERIC_HARDIRQS_NO__DO_IRQ
  754. help
  755. This Toshiba board is based on the TX4938 processor. Say Y here to
  756. support this machine type
  757. endchoice
  758. source "arch/mips/ddb5xxx/Kconfig"
  759. source "arch/mips/gt64120/ev64120/Kconfig"
  760. source "arch/mips/jazz/Kconfig"
  761. source "arch/mips/lasat/Kconfig"
  762. source "arch/mips/momentum/Kconfig"
  763. source "arch/mips/pmc-sierra/Kconfig"
  764. source "arch/mips/sgi-ip27/Kconfig"
  765. source "arch/mips/sibyte/Kconfig"
  766. source "arch/mips/tx4927/Kconfig"
  767. source "arch/mips/tx4938/Kconfig"
  768. source "arch/mips/vr41xx/Kconfig"
  769. source "arch/mips/philips/pnx8550/common/Kconfig"
  770. endmenu
  771. config RWSEM_GENERIC_SPINLOCK
  772. bool
  773. default y
  774. config RWSEM_XCHGADD_ALGORITHM
  775. bool
  776. config ARCH_HAS_ILOG2_U32
  777. bool
  778. default n
  779. config ARCH_HAS_ILOG2_U64
  780. bool
  781. default n
  782. config GENERIC_FIND_NEXT_BIT
  783. bool
  784. default y
  785. config GENERIC_HWEIGHT
  786. bool
  787. default y
  788. config GENERIC_CALIBRATE_DELAY
  789. bool
  790. default y
  791. config GENERIC_TIME
  792. bool
  793. default y
  794. config SCHED_NO_NO_OMIT_FRAME_POINTER
  795. bool
  796. default y
  797. config GENERIC_HARDIRQS_NO__DO_IRQ
  798. bool
  799. default n
  800. #
  801. # Select some configuration options automatically based on user selections.
  802. #
  803. config ARC
  804. bool
  805. config ARCH_MAY_HAVE_PC_FDC
  806. bool
  807. config DMA_COHERENT
  808. bool
  809. config DMA_IP27
  810. bool
  811. config DMA_IP32
  812. bool
  813. select DMA_NEED_PCI_MAP_STATE
  814. config DMA_NONCOHERENT
  815. bool
  816. select DMA_NEED_PCI_MAP_STATE
  817. config DMA_NEED_PCI_MAP_STATE
  818. bool
  819. config EARLY_PRINTK
  820. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  821. depends on SYS_HAS_EARLY_PRINTK
  822. default y
  823. help
  824. This option enables special console drivers which allow the kernel
  825. to print messages very early in the bootup process.
  826. This is useful for kernel debugging when your machine crashes very
  827. early before the console code is initialized. For normal operation
  828. it is not recommended because it looks on some machines ugly and
  829. oesn't cooperate with an X server. You should normally N here,
  830. unless you want to debug such a crash.
  831. config SYS_HAS_EARLY_PRINTK
  832. bool
  833. config GENERIC_ISA_DMA
  834. bool
  835. select ZONE_DMA
  836. config I8259
  837. bool
  838. config LIMITED_DMA
  839. bool
  840. select HIGHMEM
  841. select SYS_SUPPORTS_HIGHMEM
  842. config MIPS_BONITO64
  843. bool
  844. config MIPS_MSC
  845. bool
  846. config MIPS_NILE4
  847. bool
  848. config MIPS_DISABLE_OBSOLETE_IDE
  849. bool
  850. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  851. bool
  852. select ZONE_DMA
  853. #
  854. # Endianess selection. Sufficiently obscure so many users don't know what to
  855. # answer,so we try hard to limit the available choices. Also the use of a
  856. # choice statement should be more obvious to the user.
  857. #
  858. choice
  859. prompt "Endianess selection"
  860. help
  861. Some MIPS machines can be configured for either little or big endian
  862. byte order. These modes require different kernels and a different
  863. Linux distribution. In general there is one preferred byteorder for a
  864. particular system but some systems are just as commonly used in the
  865. one or the other endianess.
  866. config CPU_BIG_ENDIAN
  867. bool "Big endian"
  868. depends on SYS_SUPPORTS_BIG_ENDIAN
  869. config CPU_LITTLE_ENDIAN
  870. bool "Little endian"
  871. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  872. help
  873. endchoice
  874. config SYS_SUPPORTS_APM_EMULATION
  875. bool
  876. config SYS_SUPPORTS_BIG_ENDIAN
  877. bool
  878. config SYS_SUPPORTS_LITTLE_ENDIAN
  879. bool
  880. config IRQ_CPU
  881. bool
  882. config IRQ_CPU_RM7K
  883. bool
  884. config IRQ_CPU_RM9K
  885. bool
  886. config IRQ_MV64340
  887. bool
  888. config DDB5XXX_COMMON
  889. bool
  890. select SYS_SUPPORTS_KGDB
  891. config MIPS_BOARDS_GEN
  892. bool
  893. config PCI_GT64XXX_PCI0
  894. bool
  895. config MIPS_TX3927
  896. bool
  897. select HAS_TXX9_SERIAL
  898. config MIPS_RM9122
  899. bool
  900. select SERIAL_RM9000
  901. select GPI_RM9000
  902. select WDT_RM9000
  903. config PCI_MARVELL
  904. bool
  905. config SOC_AU1000
  906. bool
  907. select SOC_AU1X00
  908. config SOC_AU1100
  909. bool
  910. select SOC_AU1X00
  911. config SOC_AU1500
  912. bool
  913. select SOC_AU1X00
  914. config SOC_AU1550
  915. bool
  916. select SOC_AU1X00
  917. config SOC_AU1200
  918. bool
  919. select SOC_AU1X00
  920. config SOC_AU1X00
  921. bool
  922. select SYS_HAS_CPU_MIPS32_R1
  923. select SYS_SUPPORTS_32BIT_KERNEL
  924. select SYS_SUPPORTS_APM_EMULATION
  925. select SYS_SUPPORTS_KGDB
  926. config SERIAL_RM9000
  927. bool
  928. config PNX8550
  929. bool
  930. select SOC_PNX8550
  931. config SOC_PNX8550
  932. bool
  933. select DMA_NONCOHERENT
  934. select HW_HAS_PCI
  935. select SYS_HAS_CPU_MIPS32_R1
  936. select SYS_HAS_EARLY_PRINTK
  937. select SYS_SUPPORTS_32BIT_KERNEL
  938. select GENERIC_HARDIRQS_NO__DO_IRQ
  939. select SYS_SUPPORTS_KGDB
  940. config SWAP_IO_SPACE
  941. bool
  942. config EMMA2RH
  943. bool
  944. depends on MARKEINS
  945. default y
  946. config SERIAL_RM9000
  947. bool
  948. config GPI_RM9000
  949. bool
  950. config WDT_RM9000
  951. bool
  952. #
  953. # Unfortunately not all GT64120 systems run the chip at the same clock.
  954. # As the user for the clock rate and try to minimize the available options.
  955. #
  956. choice
  957. prompt "Galileo Chip Clock"
  958. #default SYSCLK_83 if MIPS_EV64120
  959. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  960. default SYSCLK_83 if MIPS_EV64120
  961. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  962. config SYSCLK_75
  963. bool "75" if MIPS_EV64120
  964. config SYSCLK_83
  965. bool "83.3" if MIPS_EV64120
  966. config SYSCLK_100
  967. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  968. endchoice
  969. config ARC32
  970. bool
  971. config BOOT_ELF32
  972. bool
  973. config MIPS_L1_CACHE_SHIFT
  974. int
  975. default "4" if MACH_DECSTATION || SNI_RM
  976. default "7" if SGI_IP27
  977. default "5"
  978. config HAVE_STD_PC_SERIAL_PORT
  979. bool
  980. config ARC_CONSOLE
  981. bool "ARC console support"
  982. depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
  983. config ARC_MEMORY
  984. bool
  985. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  986. default y
  987. config ARC_PROMLIB
  988. bool
  989. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
  990. default y
  991. config ARC64
  992. bool
  993. config BOOT_ELF64
  994. bool
  995. config TOSHIBA_BOARDS
  996. bool
  997. menu "CPU selection"
  998. choice
  999. prompt "CPU type"
  1000. default CPU_R4X00
  1001. config CPU_MIPS32_R1
  1002. bool "MIPS32 Release 1"
  1003. depends on SYS_HAS_CPU_MIPS32_R1
  1004. select CPU_HAS_LLSC
  1005. select CPU_HAS_PREFETCH
  1006. select CPU_SUPPORTS_32BIT_KERNEL
  1007. select CPU_SUPPORTS_HIGHMEM
  1008. help
  1009. Choose this option to build a kernel for release 1 or later of the
  1010. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1011. MIPS processor are based on a MIPS32 processor. If you know the
  1012. specific type of processor in your system, choose those that one
  1013. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1014. Release 2 of the MIPS32 architecture is available since several
  1015. years so chances are you even have a MIPS32 Release 2 processor
  1016. in which case you should choose CPU_MIPS32_R2 instead for better
  1017. performance.
  1018. config CPU_MIPS32_R2
  1019. bool "MIPS32 Release 2"
  1020. depends on SYS_HAS_CPU_MIPS32_R2
  1021. select CPU_HAS_LLSC
  1022. select CPU_HAS_PREFETCH
  1023. select CPU_SUPPORTS_32BIT_KERNEL
  1024. select CPU_SUPPORTS_HIGHMEM
  1025. help
  1026. Choose this option to build a kernel for release 2 or later of the
  1027. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1028. MIPS processor are based on a MIPS32 processor. If you know the
  1029. specific type of processor in your system, choose those that one
  1030. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1031. config CPU_MIPS64_R1
  1032. bool "MIPS64 Release 1"
  1033. depends on SYS_HAS_CPU_MIPS64_R1
  1034. select CPU_HAS_LLSC
  1035. select CPU_HAS_PREFETCH
  1036. select CPU_SUPPORTS_32BIT_KERNEL
  1037. select CPU_SUPPORTS_64BIT_KERNEL
  1038. select CPU_SUPPORTS_HIGHMEM
  1039. help
  1040. Choose this option to build a kernel for release 1 or later of the
  1041. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1042. MIPS processor are based on a MIPS64 processor. If you know the
  1043. specific type of processor in your system, choose those that one
  1044. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1045. Release 2 of the MIPS64 architecture is available since several
  1046. years so chances are you even have a MIPS64 Release 2 processor
  1047. in which case you should choose CPU_MIPS64_R2 instead for better
  1048. performance.
  1049. config CPU_MIPS64_R2
  1050. bool "MIPS64 Release 2"
  1051. depends on SYS_HAS_CPU_MIPS64_R2
  1052. select CPU_HAS_LLSC
  1053. select CPU_HAS_PREFETCH
  1054. select CPU_SUPPORTS_32BIT_KERNEL
  1055. select CPU_SUPPORTS_64BIT_KERNEL
  1056. select CPU_SUPPORTS_HIGHMEM
  1057. help
  1058. Choose this option to build a kernel for release 2 or later of the
  1059. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1060. MIPS processor are based on a MIPS64 processor. If you know the
  1061. specific type of processor in your system, choose those that one
  1062. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1063. config CPU_R3000
  1064. bool "R3000"
  1065. depends on SYS_HAS_CPU_R3000
  1066. select CPU_HAS_WB
  1067. select CPU_SUPPORTS_32BIT_KERNEL
  1068. select CPU_SUPPORTS_HIGHMEM
  1069. help
  1070. Please make sure to pick the right CPU type. Linux/MIPS is not
  1071. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1072. *not* work on R4000 machines and vice versa. However, since most
  1073. of the supported machines have an R4000 (or similar) CPU, R4x00
  1074. might be a safe bet. If the resulting kernel does not work,
  1075. try to recompile with R3000.
  1076. config CPU_TX39XX
  1077. bool "R39XX"
  1078. depends on SYS_HAS_CPU_TX39XX
  1079. select CPU_SUPPORTS_32BIT_KERNEL
  1080. config CPU_VR41XX
  1081. bool "R41xx"
  1082. depends on SYS_HAS_CPU_VR41XX
  1083. select CPU_SUPPORTS_32BIT_KERNEL
  1084. select CPU_SUPPORTS_64BIT_KERNEL
  1085. help
  1086. The options selects support for the NEC VR4100 series of processors.
  1087. Only choose this option if you have one of these processors as a
  1088. kernel built with this option will not run on any other type of
  1089. processor or vice versa.
  1090. config CPU_R4300
  1091. bool "R4300"
  1092. depends on SYS_HAS_CPU_R4300
  1093. select CPU_HAS_LLSC
  1094. select CPU_SUPPORTS_32BIT_KERNEL
  1095. select CPU_SUPPORTS_64BIT_KERNEL
  1096. help
  1097. MIPS Technologies R4300-series processors.
  1098. config CPU_R4X00
  1099. bool "R4x00"
  1100. depends on SYS_HAS_CPU_R4X00
  1101. select CPU_HAS_LLSC
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_64BIT_KERNEL
  1104. help
  1105. MIPS Technologies R4000-series processors other than 4300, including
  1106. the R4000, R4400, R4600, and 4700.
  1107. config CPU_TX49XX
  1108. bool "R49XX"
  1109. depends on SYS_HAS_CPU_TX49XX
  1110. select CPU_HAS_LLSC
  1111. select CPU_HAS_PREFETCH
  1112. select CPU_SUPPORTS_32BIT_KERNEL
  1113. select CPU_SUPPORTS_64BIT_KERNEL
  1114. config CPU_R5000
  1115. bool "R5000"
  1116. depends on SYS_HAS_CPU_R5000
  1117. select CPU_HAS_LLSC
  1118. select CPU_SUPPORTS_32BIT_KERNEL
  1119. select CPU_SUPPORTS_64BIT_KERNEL
  1120. help
  1121. MIPS Technologies R5000-series processors other than the Nevada.
  1122. config CPU_R5432
  1123. bool "R5432"
  1124. depends on SYS_HAS_CPU_R5432
  1125. select CPU_HAS_LLSC
  1126. select CPU_SUPPORTS_32BIT_KERNEL
  1127. select CPU_SUPPORTS_64BIT_KERNEL
  1128. config CPU_R6000
  1129. bool "R6000"
  1130. depends on EXPERIMENTAL
  1131. select CPU_HAS_LLSC
  1132. depends on SYS_HAS_CPU_R6000
  1133. select CPU_SUPPORTS_32BIT_KERNEL
  1134. help
  1135. MIPS Technologies R6000 and R6000A series processors. Note these
  1136. processors are extremely rare and the support for them is incomplete.
  1137. config CPU_NEVADA
  1138. bool "RM52xx"
  1139. depends on SYS_HAS_CPU_NEVADA
  1140. select CPU_HAS_LLSC
  1141. select CPU_SUPPORTS_32BIT_KERNEL
  1142. select CPU_SUPPORTS_64BIT_KERNEL
  1143. help
  1144. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1145. config CPU_R8000
  1146. bool "R8000"
  1147. depends on EXPERIMENTAL
  1148. depends on SYS_HAS_CPU_R8000
  1149. select CPU_HAS_LLSC
  1150. select CPU_HAS_PREFETCH
  1151. select CPU_SUPPORTS_64BIT_KERNEL
  1152. help
  1153. MIPS Technologies R8000 processors. Note these processors are
  1154. uncommon and the support for them is incomplete.
  1155. config CPU_R10000
  1156. bool "R10000"
  1157. depends on SYS_HAS_CPU_R10000
  1158. select CPU_HAS_LLSC
  1159. select CPU_HAS_PREFETCH
  1160. select CPU_SUPPORTS_32BIT_KERNEL
  1161. select CPU_SUPPORTS_64BIT_KERNEL
  1162. select CPU_SUPPORTS_HIGHMEM
  1163. help
  1164. MIPS Technologies R10000-series processors.
  1165. config CPU_RM7000
  1166. bool "RM7000"
  1167. depends on SYS_HAS_CPU_RM7000
  1168. select CPU_HAS_LLSC
  1169. select CPU_HAS_PREFETCH
  1170. select CPU_SUPPORTS_32BIT_KERNEL
  1171. select CPU_SUPPORTS_64BIT_KERNEL
  1172. select CPU_SUPPORTS_HIGHMEM
  1173. config CPU_RM9000
  1174. bool "RM9000"
  1175. depends on SYS_HAS_CPU_RM9000
  1176. select CPU_HAS_LLSC
  1177. select CPU_HAS_PREFETCH
  1178. select CPU_SUPPORTS_32BIT_KERNEL
  1179. select CPU_SUPPORTS_64BIT_KERNEL
  1180. select CPU_SUPPORTS_HIGHMEM
  1181. select WEAK_ORDERING
  1182. config CPU_SB1
  1183. bool "SB1"
  1184. depends on SYS_HAS_CPU_SB1
  1185. select CPU_HAS_LLSC
  1186. select CPU_SUPPORTS_32BIT_KERNEL
  1187. select CPU_SUPPORTS_64BIT_KERNEL
  1188. select CPU_SUPPORTS_HIGHMEM
  1189. select WEAK_ORDERING
  1190. endchoice
  1191. config SYS_HAS_CPU_MIPS32_R1
  1192. bool
  1193. config SYS_HAS_CPU_MIPS32_R2
  1194. bool
  1195. config SYS_HAS_CPU_MIPS64_R1
  1196. bool
  1197. config SYS_HAS_CPU_MIPS64_R2
  1198. bool
  1199. config SYS_HAS_CPU_R3000
  1200. bool
  1201. config SYS_HAS_CPU_TX39XX
  1202. bool
  1203. config SYS_HAS_CPU_VR41XX
  1204. bool
  1205. config SYS_HAS_CPU_R4300
  1206. bool
  1207. config SYS_HAS_CPU_R4X00
  1208. bool
  1209. config SYS_HAS_CPU_TX49XX
  1210. bool
  1211. config SYS_HAS_CPU_R5000
  1212. bool
  1213. config SYS_HAS_CPU_R5432
  1214. bool
  1215. config SYS_HAS_CPU_R6000
  1216. bool
  1217. config SYS_HAS_CPU_NEVADA
  1218. bool
  1219. config SYS_HAS_CPU_R8000
  1220. bool
  1221. config SYS_HAS_CPU_R10000
  1222. bool
  1223. config SYS_HAS_CPU_RM7000
  1224. bool
  1225. config SYS_HAS_CPU_RM9000
  1226. bool
  1227. config SYS_HAS_CPU_SB1
  1228. bool
  1229. config WEAK_ORDERING
  1230. bool
  1231. endmenu
  1232. #
  1233. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1234. #
  1235. config CPU_MIPS32
  1236. bool
  1237. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1238. config CPU_MIPS64
  1239. bool
  1240. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1241. #
  1242. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1243. #
  1244. config CPU_MIPSR1
  1245. bool
  1246. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1247. config CPU_MIPSR2
  1248. bool
  1249. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1250. config SYS_SUPPORTS_32BIT_KERNEL
  1251. bool
  1252. config SYS_SUPPORTS_64BIT_KERNEL
  1253. bool
  1254. config CPU_SUPPORTS_32BIT_KERNEL
  1255. bool
  1256. config CPU_SUPPORTS_64BIT_KERNEL
  1257. bool
  1258. menu "Kernel type"
  1259. choice
  1260. prompt "Kernel code model"
  1261. help
  1262. You should only select this option if you have a workload that
  1263. actually benefits from 64-bit processing or if your machine has
  1264. large memory. You will only be presented a single option in this
  1265. menu if your system does not support both 32-bit and 64-bit kernels.
  1266. config 32BIT
  1267. bool "32-bit kernel"
  1268. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1269. select TRAD_SIGNALS
  1270. help
  1271. Select this option if you want to build a 32-bit kernel.
  1272. config 64BIT
  1273. bool "64-bit kernel"
  1274. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1275. help
  1276. Select this option if you want to build a 64-bit kernel.
  1277. endchoice
  1278. choice
  1279. prompt "Kernel page size"
  1280. default PAGE_SIZE_4KB
  1281. config PAGE_SIZE_4KB
  1282. bool "4kB"
  1283. help
  1284. This option select the standard 4kB Linux page size. On some
  1285. R3000-family processors this is the only available page size. Using
  1286. 4kB page size will minimize memory consumption and is therefore
  1287. recommended for low memory systems.
  1288. config PAGE_SIZE_8KB
  1289. bool "8kB"
  1290. depends on EXPERIMENTAL && CPU_R8000
  1291. help
  1292. Using 8kB page size will result in higher performance kernel at
  1293. the price of higher memory consumption. This option is available
  1294. only on the R8000 processor. Not that at the time of this writing
  1295. this option is still high experimental; there are also issues with
  1296. compatibility of user applications.
  1297. config PAGE_SIZE_16KB
  1298. bool "16kB"
  1299. depends on !CPU_R3000 && !CPU_TX39XX
  1300. help
  1301. Using 16kB page size will result in higher performance kernel at
  1302. the price of higher memory consumption. This option is available on
  1303. all non-R3000 family processors. Note that you will need a suitable
  1304. Linux distribution to support this.
  1305. config PAGE_SIZE_64KB
  1306. bool "64kB"
  1307. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1308. help
  1309. Using 64kB page size will result in higher performance kernel at
  1310. the price of higher memory consumption. This option is available on
  1311. all non-R3000 family processor. Not that at the time of this
  1312. writing this option is still high experimental.
  1313. endchoice
  1314. config BOARD_SCACHE
  1315. bool
  1316. config IP22_CPU_SCACHE
  1317. bool
  1318. select BOARD_SCACHE
  1319. #
  1320. # Support for a MIPS32 / MIPS64 style S-caches
  1321. #
  1322. config MIPS_CPU_SCACHE
  1323. bool
  1324. select BOARD_SCACHE
  1325. config R5000_CPU_SCACHE
  1326. bool
  1327. select BOARD_SCACHE
  1328. config RM7000_CPU_SCACHE
  1329. bool
  1330. select BOARD_SCACHE
  1331. config SIBYTE_DMA_PAGEOPS
  1332. bool "Use DMA to clear/copy pages"
  1333. depends on CPU_SB1
  1334. help
  1335. Instead of using the CPU to zero and copy pages, use a Data Mover
  1336. channel. These DMA channels are otherwise unused by the standard
  1337. SiByte Linux port. Seems to give a small performance benefit.
  1338. config CPU_HAS_PREFETCH
  1339. bool
  1340. choice
  1341. prompt "MIPS MT options"
  1342. config MIPS_MT_DISABLED
  1343. bool "Disable multithreading support."
  1344. help
  1345. Use this option if your workload can't take advantage of
  1346. MIPS hardware multithreading support. On systems that don't have
  1347. the option of an MT-enabled processor this option will be the only
  1348. option in this menu.
  1349. config MIPS_MT_SMP
  1350. bool "Use 1 TC on each available VPE for SMP"
  1351. depends on SYS_SUPPORTS_MULTITHREADING
  1352. select CPU_MIPSR2_IRQ_VI
  1353. select CPU_MIPSR2_SRS
  1354. select MIPS_MT
  1355. select NR_CPUS_DEFAULT_2
  1356. select SMP
  1357. select SYS_SUPPORTS_SMP
  1358. help
  1359. This is a kernel model which is also known a VSMP or lately
  1360. has been marketesed into SMVP.
  1361. config MIPS_MT_SMTC
  1362. bool "SMTC: Use all TCs on all VPEs for SMP"
  1363. depends on CPU_MIPS32_R2
  1364. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1365. depends on SYS_SUPPORTS_MULTITHREADING
  1366. select CPU_MIPSR2_IRQ_VI
  1367. select CPU_MIPSR2_SRS
  1368. select MIPS_MT
  1369. select NR_CPUS_DEFAULT_8
  1370. select SMP
  1371. select SYS_SUPPORTS_SMP
  1372. help
  1373. This is a kernel model which is known a SMTC or lately has been
  1374. marketesed into SMVP.
  1375. config MIPS_VPE_LOADER
  1376. bool "VPE loader support."
  1377. depends on SYS_SUPPORTS_MULTITHREADING
  1378. select MIPS_MT
  1379. help
  1380. Includes a loader for loading an elf relocatable object
  1381. onto another VPE and running it.
  1382. endchoice
  1383. config MIPS_MT
  1384. bool
  1385. config SYS_SUPPORTS_MULTITHREADING
  1386. bool
  1387. config MIPS_MT_FPAFF
  1388. bool "Dynamic FPU affinity for FP-intensive threads"
  1389. depends on MIPS_MT
  1390. default y
  1391. config MIPS_MT_SMTC_INSTANT_REPLAY
  1392. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1393. depends on MIPS_MT_SMTC && !PREEMPT
  1394. default y
  1395. help
  1396. SMTC pseudo-interrupts between TCs are deferred and queued
  1397. if the target TC is interrupt-inhibited (IXMT). In the first
  1398. SMTC prototypes, these queued IPIs were serviced on return
  1399. to user mode, or on entry into the kernel idle loop. The
  1400. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1401. processing, which adds runtime overhead (hence the option to turn
  1402. it off), but ensures that IPIs are handled promptly even under
  1403. heavy I/O interrupt load.
  1404. config MIPS_VPE_LOADER_TOM
  1405. bool "Load VPE program into memory hidden from linux"
  1406. depends on MIPS_VPE_LOADER
  1407. default y
  1408. help
  1409. The loader can use memory that is present but has been hidden from
  1410. Linux using the kernel command line option "mem=xxMB". It's up to
  1411. you to ensure the amount you put in the option and the space your
  1412. program requires is less or equal to the amount physically present.
  1413. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1414. config MIPS_VPE_APSP_API
  1415. bool "Enable support for AP/SP API (RTLX)"
  1416. depends on MIPS_VPE_LOADER
  1417. help
  1418. config MIPS_APSP_KSPD
  1419. bool "Enable KSPD"
  1420. depends on MIPS_VPE_APSP_API
  1421. default y
  1422. help
  1423. KSPD is a kernel daemon that accepts syscall requests from the SP
  1424. side, actions them and returns the results. It also handles the
  1425. "exit" syscall notifying other kernel modules the SP program is
  1426. exiting. You probably want to say yes here.
  1427. config SB1_PASS_1_WORKAROUNDS
  1428. bool
  1429. depends on CPU_SB1_PASS_1
  1430. default y
  1431. config SB1_PASS_2_WORKAROUNDS
  1432. bool
  1433. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1434. default y
  1435. config SB1_PASS_2_1_WORKAROUNDS
  1436. bool
  1437. depends on CPU_SB1 && CPU_SB1_PASS_2
  1438. default y
  1439. config 64BIT_PHYS_ADDR
  1440. bool "Support for 64-bit physical address space"
  1441. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1442. config CPU_HAS_LLSC
  1443. bool
  1444. config CPU_HAS_SMARTMIPS
  1445. depends on SYS_SUPPORTS_SMARTMIPS
  1446. bool "Support for the SmartMIPS ASE"
  1447. help
  1448. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1449. increased security at both hardware and software level for
  1450. smartcards. Enabling this option will allow proper use of the
  1451. SmartMIPS instructions by Linux applications. However a kernel with
  1452. this option will not work on a MIPS core without SmartMIPS core. If
  1453. you don't know you probably don't have SmartMIPS and should say N
  1454. here.
  1455. config CPU_HAS_WB
  1456. bool
  1457. #
  1458. # Vectored interrupt mode is an R2 feature
  1459. #
  1460. config CPU_MIPSR2_IRQ_VI
  1461. bool
  1462. #
  1463. # Extended interrupt mode is an R2 feature
  1464. #
  1465. config CPU_MIPSR2_IRQ_EI
  1466. bool
  1467. #
  1468. # Shadow registers are an R2 feature
  1469. #
  1470. config CPU_MIPSR2_SRS
  1471. bool
  1472. config CPU_HAS_SYNC
  1473. bool
  1474. depends on !CPU_R3000
  1475. default y
  1476. #
  1477. # Use the generic interrupt handling code in kernel/irq/:
  1478. #
  1479. config GENERIC_HARDIRQS
  1480. bool
  1481. default y
  1482. config GENERIC_IRQ_PROBE
  1483. bool
  1484. default y
  1485. config IRQ_PER_CPU
  1486. bool
  1487. #
  1488. # - Highmem only makes sense for the 32-bit kernel.
  1489. # - The current highmem code will only work properly on physically indexed
  1490. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1491. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1492. # moment we protect the user and offer the highmem option only on machines
  1493. # where it's known to be safe. This will not offer highmem on a few systems
  1494. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1495. # indexed CPUs but we're playing safe.
  1496. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1497. # know they might have memory configurations that could make use of highmem
  1498. # support.
  1499. #
  1500. config HIGHMEM
  1501. bool "High Memory Support"
  1502. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1503. config CPU_SUPPORTS_HIGHMEM
  1504. bool
  1505. config SYS_SUPPORTS_HIGHMEM
  1506. bool
  1507. config SYS_SUPPORTS_SMARTMIPS
  1508. bool
  1509. config ARCH_FLATMEM_ENABLE
  1510. def_bool y
  1511. depends on !NUMA
  1512. config ARCH_DISCONTIGMEM_ENABLE
  1513. bool
  1514. default y if SGI_IP27
  1515. help
  1516. Say Y to upport efficient handling of discontiguous physical memory,
  1517. for architectures which are either NUMA (Non-Uniform Memory Access)
  1518. or have huge holes in the physical address space for other reasons.
  1519. See <file:Documentation/vm/numa> for more.
  1520. config ARCH_SPARSEMEM_ENABLE
  1521. bool
  1522. select SPARSEMEM_STATIC
  1523. config NUMA
  1524. bool "NUMA Support"
  1525. depends on SYS_SUPPORTS_NUMA
  1526. help
  1527. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1528. Access). This option improves performance on systems with more
  1529. than two nodes; on two node systems it is generally better to
  1530. leave it disabled; on single node systems disable this option
  1531. disabled.
  1532. config SYS_SUPPORTS_NUMA
  1533. bool
  1534. config NODES_SHIFT
  1535. int
  1536. default "6"
  1537. depends on NEED_MULTIPLE_NODES
  1538. source "mm/Kconfig"
  1539. config SMP
  1540. bool "Multi-Processing support"
  1541. depends on SYS_SUPPORTS_SMP
  1542. select IRQ_PER_CPU
  1543. help
  1544. This enables support for systems with more than one CPU. If you have
  1545. a system with only one CPU, like most personal computers, say N. If
  1546. you have a system with more than one CPU, say Y.
  1547. If you say N here, the kernel will run on single and multiprocessor
  1548. machines, but will use only one CPU of a multiprocessor machine. If
  1549. you say Y here, the kernel will run on many, but not all,
  1550. singleprocessor machines. On a singleprocessor machine, the kernel
  1551. will run faster if you say N here.
  1552. People using multiprocessor machines who say Y here should also say
  1553. Y to "Enhanced Real Time Clock Support", below.
  1554. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1555. available at <http://www.tldp.org/docs.html#howto>.
  1556. If you don't know what to do here, say N.
  1557. config SYS_SUPPORTS_SMP
  1558. bool
  1559. config NR_CPUS_DEFAULT_1
  1560. bool
  1561. config NR_CPUS_DEFAULT_2
  1562. bool
  1563. config NR_CPUS_DEFAULT_4
  1564. bool
  1565. config NR_CPUS_DEFAULT_8
  1566. bool
  1567. config NR_CPUS_DEFAULT_16
  1568. bool
  1569. config NR_CPUS_DEFAULT_32
  1570. bool
  1571. config NR_CPUS_DEFAULT_64
  1572. bool
  1573. config NR_CPUS
  1574. int "Maximum number of CPUs (2-64)"
  1575. range 1 64 if NR_CPUS_DEFAULT_1
  1576. depends on SMP
  1577. default "1" if NR_CPUS_DEFAULT_1
  1578. default "2" if NR_CPUS_DEFAULT_2
  1579. default "4" if NR_CPUS_DEFAULT_4
  1580. default "8" if NR_CPUS_DEFAULT_8
  1581. default "16" if NR_CPUS_DEFAULT_16
  1582. default "32" if NR_CPUS_DEFAULT_32
  1583. default "64" if NR_CPUS_DEFAULT_64
  1584. help
  1585. This allows you to specify the maximum number of CPUs which this
  1586. kernel will support. The maximum supported value is 32 for 32-bit
  1587. kernel and 64 for 64-bit kernels; the minimum value which makes
  1588. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1589. and 2 for all others.
  1590. This is purely to save memory - each supported CPU adds
  1591. approximately eight kilobytes to the kernel image. For best
  1592. performance should round up your number of processors to the next
  1593. power of two.
  1594. #
  1595. # Timer Interrupt Frequency Configuration
  1596. #
  1597. choice
  1598. prompt "Timer frequency"
  1599. default HZ_250
  1600. help
  1601. Allows the configuration of the timer frequency.
  1602. config HZ_48
  1603. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1604. config HZ_100
  1605. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1606. config HZ_128
  1607. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1608. config HZ_250
  1609. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1610. config HZ_256
  1611. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1612. config HZ_1000
  1613. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1614. config HZ_1024
  1615. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1616. endchoice
  1617. config SYS_SUPPORTS_48HZ
  1618. bool
  1619. config SYS_SUPPORTS_100HZ
  1620. bool
  1621. config SYS_SUPPORTS_128HZ
  1622. bool
  1623. config SYS_SUPPORTS_250HZ
  1624. bool
  1625. config SYS_SUPPORTS_256HZ
  1626. bool
  1627. config SYS_SUPPORTS_1000HZ
  1628. bool
  1629. config SYS_SUPPORTS_1024HZ
  1630. bool
  1631. config SYS_SUPPORTS_ARBIT_HZ
  1632. bool
  1633. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1634. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1635. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1636. !SYS_SUPPORTS_1024HZ
  1637. config HZ
  1638. int
  1639. default 48 if HZ_48
  1640. default 100 if HZ_100
  1641. default 128 if HZ_128
  1642. default 250 if HZ_250
  1643. default 256 if HZ_256
  1644. default 1000 if HZ_1000
  1645. default 1024 if HZ_1024
  1646. source "kernel/Kconfig.preempt"
  1647. config MIPS_INSANE_LARGE
  1648. bool "Support for large 64-bit configurations"
  1649. depends on CPU_R10000 && 64BIT
  1650. help
  1651. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1652. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1653. need processes of more than 1TB virtual address space, say Y here.
  1654. This will result in additional memory usage, so it is not
  1655. recommended for normal users.
  1656. config KEXEC
  1657. bool "Kexec system call (EXPERIMENTAL)"
  1658. depends on EXPERIMENTAL
  1659. help
  1660. kexec is a system call that implements the ability to shutdown your
  1661. current kernel, and to start another kernel. It is like a reboot
  1662. but it is indepedent of the system firmware. And like a reboot
  1663. you can start any kernel with it, not just Linux.
  1664. The name comes from the similiarity to the exec system call.
  1665. It is an ongoing process to be certain the hardware in a machine
  1666. is properly shutdown, so do not be surprised if this code does not
  1667. initially work for you. It may help to enable device hotplugging
  1668. support. As of this writing the exact hardware interface is
  1669. strongly in flux, so no good recommendation can be made.
  1670. config SECCOMP
  1671. bool "Enable seccomp to safely compute untrusted bytecode"
  1672. depends on PROC_FS && BROKEN
  1673. default y
  1674. help
  1675. This kernel feature is useful for number crunching applications
  1676. that may need to compute untrusted bytecode during their
  1677. execution. By using pipes or other transports made available to
  1678. the process as file descriptors supporting the read/write
  1679. syscalls, it's possible to isolate those applications in
  1680. their own address space using seccomp. Once seccomp is
  1681. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1682. and the task is only allowed to execute a few safe syscalls
  1683. defined by each seccomp mode.
  1684. If unsure, say Y. Only embedded should say N here.
  1685. endmenu
  1686. config RWSEM_GENERIC_SPINLOCK
  1687. bool
  1688. default y
  1689. config LOCKDEP_SUPPORT
  1690. bool
  1691. default y
  1692. config STACKTRACE_SUPPORT
  1693. bool
  1694. default y
  1695. source "init/Kconfig"
  1696. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1697. config HW_HAS_EISA
  1698. bool
  1699. config HW_HAS_PCI
  1700. bool
  1701. config PCI
  1702. bool "Support for PCI controller"
  1703. depends on HW_HAS_PCI
  1704. help
  1705. Find out whether you have a PCI motherboard. PCI is the name of a
  1706. bus system, i.e. the way the CPU talks to the other stuff inside
  1707. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1708. say Y, otherwise N.
  1709. The PCI-HOWTO, available from
  1710. <http://www.tldp.org/docs.html#howto>, contains valuable
  1711. information about which PCI hardware does work under Linux and which
  1712. doesn't.
  1713. config PCI_DOMAINS
  1714. bool
  1715. depends on PCI
  1716. source "drivers/pci/Kconfig"
  1717. #
  1718. # ISA support is now enabled via select. Too many systems still have the one
  1719. # or other ISA chip on the board that users don't know about so don't expect
  1720. # users to choose the right thing ...
  1721. #
  1722. config ISA
  1723. bool
  1724. config EISA
  1725. bool "EISA support"
  1726. depends on HW_HAS_EISA
  1727. select ISA
  1728. select GENERIC_ISA_DMA
  1729. ---help---
  1730. The Extended Industry Standard Architecture (EISA) bus was
  1731. developed as an open alternative to the IBM MicroChannel bus.
  1732. The EISA bus provided some of the features of the IBM MicroChannel
  1733. bus while maintaining backward compatibility with cards made for
  1734. the older ISA bus. The EISA bus saw limited use between 1988 and
  1735. 1995 when it was made obsolete by the PCI bus.
  1736. Say Y here if you are building a kernel for an EISA-based machine.
  1737. Otherwise, say N.
  1738. source "drivers/eisa/Kconfig"
  1739. config TC
  1740. bool "TURBOchannel support"
  1741. depends on MACH_DECSTATION
  1742. help
  1743. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1744. processors. Documentation on writing device drivers for TurboChannel
  1745. is available at:
  1746. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1747. #config ACCESSBUS
  1748. # bool "Access.Bus support"
  1749. # depends on TC
  1750. config MMU
  1751. bool
  1752. default y
  1753. config I8253
  1754. bool
  1755. source "drivers/pcmcia/Kconfig"
  1756. source "drivers/pci/hotplug/Kconfig"
  1757. endmenu
  1758. menu "Executable file formats"
  1759. source "fs/Kconfig.binfmt"
  1760. config TRAD_SIGNALS
  1761. bool
  1762. config BUILD_ELF64
  1763. bool "Use 64-bit ELF format for building"
  1764. depends on 64BIT
  1765. help
  1766. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1767. format as it's one that allows arbitrary 64-bit constructs. For
  1768. kernels that are loaded within the KSEG compatibility segments the
  1769. 32-bit ELF format can optionally be used resulting in a somewhat
  1770. smaller binary, but this option is not explicitly supported by the
  1771. toolchain and since binutils 2.14 it does not even work at all.
  1772. Say Y to use the 64-bit format or N to use the 32-bit one.
  1773. If unsure say Y.
  1774. config BINFMT_IRIX
  1775. bool "Include IRIX binary compatibility"
  1776. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1777. config MIPS32_COMPAT
  1778. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1779. depends on 64BIT
  1780. help
  1781. Select this option if you want Linux/MIPS 32-bit binary
  1782. compatibility. Since all software available for Linux/MIPS is
  1783. currently 32-bit you should say Y here.
  1784. config COMPAT
  1785. bool
  1786. depends on MIPS32_COMPAT
  1787. default y
  1788. config SYSVIPC_COMPAT
  1789. bool
  1790. depends on COMPAT && SYSVIPC
  1791. default y
  1792. config MIPS32_O32
  1793. bool "Kernel support for o32 binaries"
  1794. depends on MIPS32_COMPAT
  1795. help
  1796. Select this option if you want to run o32 binaries. These are pure
  1797. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1798. existing binaries are in this format.
  1799. If unsure, say Y.
  1800. config MIPS32_N32
  1801. bool "Kernel support for n32 binaries"
  1802. depends on MIPS32_COMPAT
  1803. help
  1804. Select this option if you want to run n32 binaries. These are
  1805. 64-bit binaries using 32-bit quantities for addressing and certain
  1806. data that would normally be 64-bit. They are used in special
  1807. cases.
  1808. If unsure, say N.
  1809. config BINFMT_ELF32
  1810. bool
  1811. default y if MIPS32_O32 || MIPS32_N32
  1812. endmenu
  1813. menu "Power management options"
  1814. source "kernel/power/Kconfig"
  1815. endmenu
  1816. source "net/Kconfig"
  1817. source "drivers/Kconfig"
  1818. source "fs/Kconfig"
  1819. source "arch/mips/oprofile/Kconfig"
  1820. source "arch/mips/Kconfig.debug"
  1821. source "security/Kconfig"
  1822. source "crypto/Kconfig"
  1823. source "lib/Kconfig"