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. default y
  11. choice
  12. prompt "System type"
  13. default SGI_IP22
  14. config MIPS_MTX1
  15. bool "4G Systems MTX-1 board"
  16. select DMA_NONCOHERENT
  17. select HW_HAS_PCI
  18. select RESOURCES_64BIT if PCI
  19. select SOC_AU1500
  20. select SYS_HAS_CPU_MIPS32_R1
  21. select SYS_SUPPORTS_LITTLE_ENDIAN
  22. config MIPS_BOSPORUS
  23. bool "AMD Alchemy Bosporus board"
  24. select SOC_AU1500
  25. select DMA_NONCOHERENT
  26. select SYS_HAS_CPU_MIPS32_R1
  27. select SYS_SUPPORTS_LITTLE_ENDIAN
  28. config MIPS_PB1000
  29. bool "AMD Alchemy PB1000 board"
  30. select SOC_AU1000
  31. select DMA_NONCOHERENT
  32. select HW_HAS_PCI
  33. select RESOURCES_64BIT if PCI
  34. select SWAP_IO_SPACE
  35. select SYS_HAS_CPU_MIPS32_R1
  36. select SYS_SUPPORTS_LITTLE_ENDIAN
  37. config MIPS_PB1100
  38. bool "AMD Alchemy PB1100 board"
  39. select SOC_AU1100
  40. select DMA_NONCOHERENT
  41. select HW_HAS_PCI
  42. select RESOURCES_64BIT if PCI
  43. select SWAP_IO_SPACE
  44. select SYS_HAS_CPU_MIPS32_R1
  45. select SYS_SUPPORTS_LITTLE_ENDIAN
  46. config MIPS_PB1500
  47. bool "AMD Alchemy PB1500 board"
  48. select SOC_AU1500
  49. select DMA_NONCOHERENT
  50. select HW_HAS_PCI
  51. select RESOURCES_64BIT if PCI
  52. select SYS_HAS_CPU_MIPS32_R1
  53. select SYS_SUPPORTS_LITTLE_ENDIAN
  54. config MIPS_PB1550
  55. bool "AMD Alchemy PB1550 board"
  56. select SOC_AU1550
  57. select DMA_NONCOHERENT
  58. select HW_HAS_PCI
  59. select MIPS_DISABLE_OBSOLETE_IDE
  60. select RESOURCES_64BIT if PCI
  61. select SYS_HAS_CPU_MIPS32_R1
  62. select SYS_SUPPORTS_LITTLE_ENDIAN
  63. config MIPS_PB1200
  64. bool "AMD Alchemy PB1200 board"
  65. select SOC_AU1200
  66. select DMA_NONCOHERENT
  67. select MIPS_DISABLE_OBSOLETE_IDE
  68. select RESOURCES_64BIT if PCI
  69. select SYS_HAS_CPU_MIPS32_R1
  70. select SYS_SUPPORTS_LITTLE_ENDIAN
  71. config MIPS_DB1000
  72. bool "AMD Alchemy DB1000 board"
  73. select SOC_AU1000
  74. select DMA_NONCOHERENT
  75. select HW_HAS_PCI
  76. select RESOURCES_64BIT if PCI
  77. select SYS_HAS_CPU_MIPS32_R1
  78. select SYS_SUPPORTS_LITTLE_ENDIAN
  79. config MIPS_DB1100
  80. bool "AMD Alchemy DB1100 board"
  81. select SOC_AU1100
  82. select DMA_NONCOHERENT
  83. select SYS_HAS_CPU_MIPS32_R1
  84. select SYS_SUPPORTS_LITTLE_ENDIAN
  85. config MIPS_DB1500
  86. bool "AMD Alchemy DB1500 board"
  87. select SOC_AU1500
  88. select DMA_NONCOHERENT
  89. select HW_HAS_PCI
  90. select MIPS_DISABLE_OBSOLETE_IDE
  91. select RESOURCES_64BIT if PCI
  92. select SYS_HAS_CPU_MIPS32_R1
  93. select SYS_SUPPORTS_BIG_ENDIAN
  94. select SYS_SUPPORTS_LITTLE_ENDIAN
  95. config MIPS_DB1550
  96. bool "AMD Alchemy DB1550 board"
  97. select SOC_AU1550
  98. select HW_HAS_PCI
  99. select DMA_NONCOHERENT
  100. select MIPS_DISABLE_OBSOLETE_IDE
  101. select RESOURCES_64BIT if PCI
  102. select SYS_HAS_CPU_MIPS32_R1
  103. select SYS_SUPPORTS_LITTLE_ENDIAN
  104. config MIPS_DB1200
  105. bool "AMD Alchemy DB1200 board"
  106. select SOC_AU1200
  107. select DMA_COHERENT
  108. select MIPS_DISABLE_OBSOLETE_IDE
  109. select SYS_HAS_CPU_MIPS32_R1
  110. select SYS_SUPPORTS_LITTLE_ENDIAN
  111. config MIPS_MIRAGE
  112. bool "AMD Alchemy Mirage board"
  113. select DMA_NONCOHERENT
  114. select SOC_AU1500
  115. select SYS_HAS_CPU_MIPS32_R1
  116. select SYS_SUPPORTS_LITTLE_ENDIAN
  117. config BASLER_EXCITE
  118. bool "Basler eXcite smart camera"
  119. select DMA_COHERENT
  120. select HW_HAS_PCI
  121. select IRQ_CPU
  122. select IRQ_CPU_RM7K
  123. select IRQ_CPU_RM9K
  124. select MIPS_RM9122
  125. select SYS_HAS_CPU_RM9000
  126. select SYS_SUPPORTS_32BIT_KERNEL
  127. select SYS_SUPPORTS_64BIT_KERNEL
  128. select SYS_SUPPORTS_BIG_ENDIAN
  129. select SYS_SUPPORTS_KGDB
  130. help
  131. The eXcite is a smart camera platform manufactured by
  132. Basler Vision Technologies AG.
  133. config BASLER_EXCITE_PROTOTYPE
  134. bool "Support for pre-release units"
  135. depends on BASLER_EXCITE
  136. default n
  137. help
  138. Pre-series (prototype) units are different from later ones in
  139. some ways. Select this option if you have one of these. Please
  140. note that a kernel built with this option selected will not be
  141. able to run on normal units.
  142. config MIPS_COBALT
  143. bool "Cobalt Server"
  144. select DMA_NONCOHERENT
  145. select HW_HAS_PCI
  146. select I8259
  147. select IRQ_CPU
  148. select MIPS_GT64111
  149. select SYS_HAS_CPU_NEVADA
  150. select SYS_HAS_EARLY_PRINTK
  151. select SYS_SUPPORTS_32BIT_KERNEL
  152. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  153. select SYS_SUPPORTS_LITTLE_ENDIAN
  154. select GENERIC_HARDIRQS_NO__DO_IRQ
  155. config MACH_DECSTATION
  156. bool "DECstations"
  157. select BOOT_ELF32
  158. select DMA_NONCOHERENT
  159. select SYS_HAS_EARLY_PRINTK
  160. select IRQ_CPU
  161. select SYS_HAS_CPU_R3000
  162. select SYS_HAS_CPU_R4X00
  163. select SYS_SUPPORTS_32BIT_KERNEL
  164. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  165. select SYS_SUPPORTS_LITTLE_ENDIAN
  166. select SYS_SUPPORTS_128HZ
  167. select SYS_SUPPORTS_256HZ
  168. select SYS_SUPPORTS_1024HZ
  169. help
  170. This enables support for DEC's MIPS based workstations. For details
  171. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  172. DECstation porting pages on <http://decstation.unix-ag.org/>.
  173. If you have one of the following DECstation Models you definitely
  174. want to choose R4xx0 for the CPU Type:
  175. DECstation 5000/50
  176. DECstation 5000/150
  177. DECstation 5000/260
  178. DECsystem 5900/260
  179. otherwise choose R3000.
  180. config MIPS_EV64120
  181. bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  182. depends on EXPERIMENTAL
  183. select DMA_NONCOHERENT
  184. select HW_HAS_PCI
  185. select MIPS_GT64120
  186. select SYS_HAS_CPU_R5000
  187. select SYS_SUPPORTS_32BIT_KERNEL
  188. select SYS_SUPPORTS_64BIT_KERNEL
  189. select SYS_SUPPORTS_BIG_ENDIAN
  190. select SYS_SUPPORTS_KGDB
  191. help
  192. This is an evaluation board based on the Galileo GT-64120
  193. single-chip system controller that contains a MIPS R5000 compatible
  194. core running at 75/100MHz. Their website is located at
  195. <http://www.marvell.com/>. Say Y here if you wish to build a
  196. kernel for this platform.
  197. config MACH_JAZZ
  198. bool "Jazz family of machines"
  199. select ARC
  200. select ARC32
  201. select ARCH_MAY_HAVE_PC_FDC
  202. select GENERIC_ISA_DMA
  203. select I8253
  204. select I8259
  205. select ISA
  206. select SYS_HAS_CPU_R4X00
  207. select SYS_SUPPORTS_32BIT_KERNEL
  208. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  209. select SYS_SUPPORTS_100HZ
  210. select GENERIC_HARDIRQS_NO__DO_IRQ
  211. help
  212. This a family of machines based on the MIPS R4030 chipset which was
  213. used by several vendors to build RISC/os and Windows NT workstations.
  214. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  215. Olivetti M700-10 workstations.
  216. config LASAT
  217. bool "LASAT Networks platforms"
  218. select DMA_NONCOHERENT
  219. select SYS_HAS_EARLY_PRINTK
  220. select HW_HAS_PCI
  221. select MIPS_GT64120
  222. select MIPS_NILE4
  223. select R5000_CPU_SCACHE
  224. select SYS_HAS_CPU_R5000
  225. select SYS_SUPPORTS_32BIT_KERNEL
  226. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  227. select SYS_SUPPORTS_LITTLE_ENDIAN
  228. select GENERIC_HARDIRQS_NO__DO_IRQ
  229. config MIPS_ATLAS
  230. bool "MIPS Atlas board"
  231. select BOOT_ELF32
  232. select DMA_NONCOHERENT
  233. select SYS_HAS_EARLY_PRINTK
  234. select IRQ_CPU
  235. select HW_HAS_PCI
  236. select MIPS_BOARDS_GEN
  237. select MIPS_BONITO64
  238. select MIPS_GT64120
  239. select MIPS_MSC
  240. select RM7000_CPU_SCACHE
  241. select SWAP_IO_SPACE
  242. select SYS_HAS_CPU_MIPS32_R1
  243. select SYS_HAS_CPU_MIPS32_R2
  244. select SYS_HAS_CPU_MIPS64_R1
  245. select SYS_HAS_CPU_NEVADA
  246. select SYS_HAS_CPU_RM7000
  247. select SYS_SUPPORTS_32BIT_KERNEL
  248. select SYS_SUPPORTS_64BIT_KERNEL
  249. select SYS_SUPPORTS_BIG_ENDIAN
  250. select SYS_SUPPORTS_LITTLE_ENDIAN
  251. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  252. select SYS_SUPPORTS_SMARTMIPS
  253. select GENERIC_HARDIRQS_NO__DO_IRQ
  254. help
  255. This enables support for the MIPS Technologies Atlas evaluation
  256. board.
  257. config MIPS_MALTA
  258. bool "MIPS Malta board"
  259. select ARCH_MAY_HAVE_PC_FDC
  260. select BOOT_ELF32
  261. select HAVE_STD_PC_SERIAL_PORT
  262. select DMA_NONCOHERENT
  263. select GENERIC_ISA_DMA
  264. select IRQ_CPU
  265. select HW_HAS_PCI
  266. select I8259
  267. select MIPS_BOARDS_GEN
  268. select MIPS_BONITO64
  269. select MIPS_CPU_SCACHE
  270. select MIPS_GT64120
  271. select MIPS_MSC
  272. select SWAP_IO_SPACE
  273. select SYS_HAS_CPU_MIPS32_R1
  274. select SYS_HAS_CPU_MIPS32_R2
  275. select SYS_HAS_CPU_MIPS64_R1
  276. select SYS_HAS_CPU_NEVADA
  277. select SYS_HAS_CPU_RM7000
  278. select SYS_HAS_EARLY_PRINTK
  279. select SYS_SUPPORTS_32BIT_KERNEL
  280. select SYS_SUPPORTS_64BIT_KERNEL
  281. select SYS_SUPPORTS_BIG_ENDIAN
  282. select SYS_SUPPORTS_LITTLE_ENDIAN
  283. select SYS_SUPPORTS_MULTITHREADING
  284. select SYS_SUPPORTS_SMARTMIPS
  285. help
  286. This enables support for the MIPS Technologies Malta evaluation
  287. board.
  288. config MIPS_SEAD
  289. bool "MIPS SEAD board (EXPERIMENTAL)"
  290. depends on EXPERIMENTAL
  291. select IRQ_CPU
  292. select DMA_NONCOHERENT
  293. select SYS_HAS_EARLY_PRINTK
  294. select MIPS_BOARDS_GEN
  295. select SYS_HAS_CPU_MIPS32_R1
  296. select SYS_HAS_CPU_MIPS32_R2
  297. select SYS_HAS_CPU_MIPS64_R1
  298. select SYS_SUPPORTS_32BIT_KERNEL
  299. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  300. select SYS_SUPPORTS_BIG_ENDIAN
  301. select SYS_SUPPORTS_LITTLE_ENDIAN
  302. select SYS_SUPPORTS_SMARTMIPS
  303. help
  304. This enables support for the MIPS Technologies SEAD evaluation
  305. board.
  306. config WR_PPMC
  307. bool "Wind River PPMC board"
  308. select IRQ_CPU
  309. select BOOT_ELF32
  310. select DMA_NONCOHERENT
  311. select HW_HAS_PCI
  312. select MIPS_GT64120
  313. select SWAP_IO_SPACE
  314. select SYS_HAS_CPU_MIPS32_R1
  315. select SYS_HAS_CPU_MIPS32_R2
  316. select SYS_HAS_CPU_MIPS64_R1
  317. select SYS_HAS_CPU_NEVADA
  318. select SYS_HAS_CPU_RM7000
  319. select SYS_SUPPORTS_32BIT_KERNEL
  320. select SYS_SUPPORTS_64BIT_KERNEL
  321. select SYS_SUPPORTS_BIG_ENDIAN
  322. select SYS_SUPPORTS_LITTLE_ENDIAN
  323. help
  324. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  325. board, which is based on GT64120 bridge chip.
  326. config MIPS_SIM
  327. bool 'MIPS simulator (MIPSsim)'
  328. select DMA_NONCOHERENT
  329. select SYS_HAS_EARLY_PRINTK
  330. select IRQ_CPU
  331. select SYS_HAS_CPU_MIPS32_R1
  332. select SYS_HAS_CPU_MIPS32_R2
  333. select SYS_HAS_EARLY_PRINTK
  334. select SYS_SUPPORTS_32BIT_KERNEL
  335. select SYS_SUPPORTS_BIG_ENDIAN
  336. select SYS_SUPPORTS_LITTLE_ENDIAN
  337. help
  338. This option enables support for MIPS Technologies MIPSsim software
  339. emulator.
  340. config MOMENCO_JAGUAR_ATX
  341. bool "Momentum Jaguar board"
  342. select BOOT_ELF32
  343. select DMA_NONCOHERENT
  344. select HW_HAS_PCI
  345. select IRQ_CPU
  346. select IRQ_CPU_RM7K
  347. select IRQ_MV64340
  348. select LIMITED_DMA
  349. select PCI_MARVELL
  350. select RM7000_CPU_SCACHE
  351. select SWAP_IO_SPACE
  352. select SYS_HAS_CPU_RM9000
  353. select SYS_HAS_EARLY_PRINTK
  354. select SYS_SUPPORTS_32BIT_KERNEL
  355. select SYS_SUPPORTS_64BIT_KERNEL
  356. select SYS_SUPPORTS_BIG_ENDIAN
  357. select SYS_SUPPORTS_KGDB
  358. help
  359. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  360. Momentum Computer <http://www.momenco.com/>.
  361. config MOMENCO_OCELOT
  362. bool "Momentum Ocelot board"
  363. select DMA_NONCOHERENT
  364. select HW_HAS_PCI
  365. select IRQ_CPU
  366. select IRQ_CPU_RM7K
  367. select MIPS_GT64120
  368. select RM7000_CPU_SCACHE
  369. select SWAP_IO_SPACE
  370. select SYS_HAS_CPU_RM7000
  371. select SYS_SUPPORTS_32BIT_KERNEL
  372. select SYS_SUPPORTS_64BIT_KERNEL
  373. select SYS_SUPPORTS_BIG_ENDIAN
  374. select SYS_SUPPORTS_KGDB
  375. help
  376. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  377. Momentum Computer <http://www.momenco.com/>.
  378. config MOMENCO_OCELOT_3
  379. bool "Momentum Ocelot-3 board"
  380. select BOOT_ELF32
  381. select DMA_NONCOHERENT
  382. select HW_HAS_PCI
  383. select IRQ_CPU
  384. select IRQ_CPU_RM7K
  385. select IRQ_MV64340
  386. select PCI_MARVELL
  387. select RM7000_CPU_SCACHE
  388. select SWAP_IO_SPACE
  389. select SYS_HAS_CPU_RM9000
  390. select SYS_SUPPORTS_32BIT_KERNEL
  391. select SYS_SUPPORTS_64BIT_KERNEL
  392. select SYS_SUPPORTS_BIG_ENDIAN
  393. help
  394. The Ocelot-3 is based off Discovery III System Controller and
  395. PMC-Sierra Rm79000 core.
  396. config MOMENCO_OCELOT_C
  397. bool "Momentum Ocelot-C board"
  398. select DMA_NONCOHERENT
  399. select HW_HAS_PCI
  400. select IRQ_CPU
  401. select IRQ_MV64340
  402. select PCI_MARVELL
  403. select RM7000_CPU_SCACHE
  404. select SWAP_IO_SPACE
  405. select SYS_HAS_CPU_RM7000
  406. select SYS_SUPPORTS_32BIT_KERNEL
  407. select SYS_SUPPORTS_64BIT_KERNEL
  408. select SYS_SUPPORTS_BIG_ENDIAN
  409. select GENERIC_HARDIRQS_NO__DO_IRQ
  410. help
  411. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  412. Momentum Computer <http://www.momenco.com/>.
  413. config MOMENCO_OCELOT_G
  414. bool "Momentum Ocelot-G board"
  415. select DMA_NONCOHERENT
  416. select HW_HAS_PCI
  417. select IRQ_CPU
  418. select IRQ_CPU_RM7K
  419. select PCI_MARVELL
  420. select RM7000_CPU_SCACHE
  421. select SWAP_IO_SPACE
  422. select SYS_HAS_CPU_RM7000
  423. select SYS_SUPPORTS_32BIT_KERNEL
  424. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  425. select SYS_SUPPORTS_BIG_ENDIAN
  426. help
  427. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  428. Momentum Computer <http://www.momenco.com/>.
  429. config MIPS_XXS1500
  430. bool "MyCable XXS1500 board"
  431. select DMA_NONCOHERENT
  432. select SOC_AU1500
  433. select SYS_SUPPORTS_LITTLE_ENDIAN
  434. config PNX8550_JBS
  435. bool "Philips PNX8550 based JBS board"
  436. select PNX8550
  437. select SYS_SUPPORTS_LITTLE_ENDIAN
  438. config PNX8550_STB810
  439. bool "Support for Philips PNX8550 based STB810 board"
  440. select PNX8550
  441. select SYS_SUPPORTS_LITTLE_ENDIAN
  442. config DDB5477
  443. bool "NEC DDB Vrc-5477"
  444. select DDB5XXX_COMMON
  445. select DMA_NONCOHERENT
  446. select HW_HAS_PCI
  447. select I8259
  448. select IRQ_CPU
  449. select SYS_HAS_CPU_R5432
  450. select SYS_SUPPORTS_32BIT_KERNEL
  451. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  452. select SYS_SUPPORTS_KGDB
  453. select SYS_SUPPORTS_KGDB
  454. select SYS_SUPPORTS_LITTLE_ENDIAN
  455. help
  456. This enables support for the R5432-based NEC DDB Vrc-5477,
  457. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  458. Features : kernel debugging, serial terminal, NFS root fs, on-board
  459. ether port USB, AC97, PCI, etc.
  460. config MACH_VR41XX
  461. bool "NEC VR41XX-based machines"
  462. select SYS_HAS_CPU_VR41XX
  463. select SYS_SUPPORTS_32BIT_KERNEL
  464. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  465. select GENERIC_HARDIRQS_NO__DO_IRQ
  466. config PMC_YOSEMITE
  467. bool "PMC-Sierra Yosemite eval board"
  468. select DMA_COHERENT
  469. select HW_HAS_PCI
  470. select IRQ_CPU
  471. select IRQ_CPU_RM7K
  472. select IRQ_CPU_RM9K
  473. select SWAP_IO_SPACE
  474. select SYS_HAS_CPU_RM9000
  475. select SYS_HAS_EARLY_PRINTK
  476. select SYS_SUPPORTS_32BIT_KERNEL
  477. select SYS_SUPPORTS_64BIT_KERNEL
  478. select SYS_SUPPORTS_BIG_ENDIAN
  479. select SYS_SUPPORTS_HIGHMEM
  480. select SYS_SUPPORTS_KGDB
  481. select SYS_SUPPORTS_SMP
  482. help
  483. Yosemite is an evaluation board for the RM9000x2 processor
  484. manufactured by PMC-Sierra.
  485. config QEMU
  486. bool "Qemu"
  487. select DMA_COHERENT
  488. select GENERIC_ISA_DMA
  489. select HAVE_STD_PC_SERIAL_PORT
  490. select I8253
  491. select I8259
  492. select ISA
  493. select SWAP_IO_SPACE
  494. select SYS_HAS_CPU_MIPS32_R1
  495. select SYS_SUPPORTS_32BIT_KERNEL
  496. select SYS_SUPPORTS_BIG_ENDIAN
  497. select SYS_SUPPORTS_LITTLE_ENDIAN
  498. select ARCH_SPARSEMEM_ENABLE
  499. select GENERIC_HARDIRQS_NO__DO_IRQ
  500. select NR_CPUS_DEFAULT_1
  501. select SYS_SUPPORTS_SMP
  502. help
  503. Qemu is a software emulator which among other architectures also
  504. can simulate a MIPS32 4Kc system. This patch adds support for the
  505. system architecture that currently is being simulated by Qemu. It
  506. will eventually be removed again when Qemu has the capability to
  507. simulate actual MIPS hardware platforms. More information on Qemu
  508. can be found at http://www.linux-mips.org/wiki/Qemu.
  509. config MARKEINS
  510. bool "Support for NEC EMMA2RH Mark-eins"
  511. select DMA_NONCOHERENT
  512. select HW_HAS_PCI
  513. select IRQ_CPU
  514. select SWAP_IO_SPACE
  515. select SYS_SUPPORTS_32BIT_KERNEL
  516. select SYS_SUPPORTS_BIG_ENDIAN
  517. select SYS_SUPPORTS_LITTLE_ENDIAN
  518. select SYS_HAS_CPU_R5000
  519. help
  520. This enables support for the R5432-based NEC Mark-eins
  521. boards with R5500 CPU.
  522. config SGI_IP22
  523. bool "SGI IP22 (Indy/Indigo2)"
  524. select ARC
  525. select ARC32
  526. select BOOT_ELF32
  527. select DMA_NONCOHERENT
  528. select HW_HAS_EISA
  529. select IP22_CPU_SCACHE
  530. select IRQ_CPU
  531. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  532. select SWAP_IO_SPACE
  533. select SYS_HAS_CPU_R4X00
  534. select SYS_HAS_CPU_R5000
  535. select SYS_HAS_EARLY_PRINTK
  536. select SYS_SUPPORTS_32BIT_KERNEL
  537. select SYS_SUPPORTS_64BIT_KERNEL
  538. select SYS_SUPPORTS_BIG_ENDIAN
  539. help
  540. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  541. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  542. that runs on these, say Y here.
  543. config SGI_IP27
  544. bool "SGI IP27 (Origin200/2000)"
  545. select ARC
  546. select ARC64
  547. select BOOT_ELF64
  548. select DMA_IP27
  549. select SYS_HAS_EARLY_PRINTK
  550. select HW_HAS_PCI
  551. select NR_CPUS_DEFAULT_64
  552. select PCI_DOMAINS
  553. select SYS_HAS_CPU_R10000
  554. select SYS_SUPPORTS_64BIT_KERNEL
  555. select SYS_SUPPORTS_BIG_ENDIAN
  556. select SYS_SUPPORTS_KGDB
  557. select SYS_SUPPORTS_NUMA
  558. select SYS_SUPPORTS_SMP
  559. select GENERIC_HARDIRQS_NO__DO_IRQ
  560. help
  561. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  562. workstations. To compile a Linux kernel that runs on these, say Y
  563. here.
  564. config SGI_IP32
  565. bool "SGI IP32 (O2) (EXPERIMENTAL)"
  566. depends on EXPERIMENTAL
  567. select ARC
  568. select ARC32
  569. select BOOT_ELF32
  570. select DMA_NONCOHERENT
  571. select HW_HAS_PCI
  572. select R5000_CPU_SCACHE
  573. select RM7000_CPU_SCACHE
  574. select SYS_HAS_CPU_R5000
  575. select SYS_HAS_CPU_R10000 if BROKEN
  576. select SYS_HAS_CPU_RM7000
  577. select SYS_HAS_CPU_NEVADA
  578. select SYS_SUPPORTS_64BIT_KERNEL
  579. select SYS_SUPPORTS_BIG_ENDIAN
  580. help
  581. If you want this kernel to run on SGI O2 workstation, say Y here.
  582. config SIBYTE_BIGSUR
  583. bool "Sibyte BCM91480B-BigSur"
  584. select BOOT_ELF32
  585. select DMA_COHERENT
  586. select NR_CPUS_DEFAULT_4
  587. select PCI_DOMAINS
  588. select SIBYTE_BCM1x80
  589. select SWAP_IO_SPACE
  590. select SYS_HAS_CPU_SB1
  591. select SYS_SUPPORTS_BIG_ENDIAN
  592. select SYS_SUPPORTS_LITTLE_ENDIAN
  593. config SIBYTE_SWARM
  594. bool "Sibyte BCM91250A-SWARM"
  595. select BOOT_ELF32
  596. select DMA_COHERENT
  597. select NR_CPUS_DEFAULT_2
  598. select SIBYTE_SB1250
  599. select SWAP_IO_SPACE
  600. select SYS_HAS_CPU_SB1
  601. select SYS_SUPPORTS_BIG_ENDIAN
  602. select SYS_SUPPORTS_HIGHMEM
  603. select SYS_SUPPORTS_KGDB
  604. select SYS_SUPPORTS_LITTLE_ENDIAN
  605. config SIBYTE_SENTOSA
  606. bool "Sibyte BCM91250E-Sentosa"
  607. depends on EXPERIMENTAL
  608. select BOOT_ELF32
  609. select DMA_COHERENT
  610. select NR_CPUS_DEFAULT_2
  611. select SIBYTE_SB1250
  612. select SWAP_IO_SPACE
  613. select SYS_HAS_CPU_SB1
  614. select SYS_SUPPORTS_BIG_ENDIAN
  615. select SYS_SUPPORTS_LITTLE_ENDIAN
  616. config SIBYTE_RHONE
  617. bool "Sibyte BCM91125E-Rhone"
  618. depends on EXPERIMENTAL
  619. select BOOT_ELF32
  620. select DMA_COHERENT
  621. select SIBYTE_BCM1125H
  622. select SWAP_IO_SPACE
  623. select SYS_HAS_CPU_SB1
  624. select SYS_SUPPORTS_BIG_ENDIAN
  625. select SYS_SUPPORTS_LITTLE_ENDIAN
  626. config SIBYTE_CARMEL
  627. bool "Sibyte BCM91120x-Carmel"
  628. depends on EXPERIMENTAL
  629. select BOOT_ELF32
  630. select DMA_COHERENT
  631. select SIBYTE_BCM1120
  632. select SWAP_IO_SPACE
  633. select SYS_HAS_CPU_SB1
  634. select SYS_SUPPORTS_BIG_ENDIAN
  635. select SYS_SUPPORTS_LITTLE_ENDIAN
  636. config SIBYTE_PTSWARM
  637. bool "Sibyte BCM91250PT-PTSWARM"
  638. depends on EXPERIMENTAL
  639. select BOOT_ELF32
  640. select DMA_COHERENT
  641. select NR_CPUS_DEFAULT_2
  642. select SIBYTE_SB1250
  643. select SWAP_IO_SPACE
  644. select SYS_HAS_CPU_SB1
  645. select SYS_SUPPORTS_BIG_ENDIAN
  646. select SYS_SUPPORTS_HIGHMEM
  647. select SYS_SUPPORTS_LITTLE_ENDIAN
  648. config SIBYTE_LITTLESUR
  649. bool "Sibyte BCM91250C2-LittleSur"
  650. depends on EXPERIMENTAL
  651. select BOOT_ELF32
  652. select DMA_COHERENT
  653. select NR_CPUS_DEFAULT_2
  654. select SIBYTE_SB1250
  655. select SWAP_IO_SPACE
  656. select SYS_HAS_CPU_SB1
  657. select SYS_SUPPORTS_BIG_ENDIAN
  658. select SYS_SUPPORTS_HIGHMEM
  659. select SYS_SUPPORTS_LITTLE_ENDIAN
  660. config SIBYTE_CRHINE
  661. bool "Sibyte BCM91120C-CRhine"
  662. depends on EXPERIMENTAL
  663. select BOOT_ELF32
  664. select DMA_COHERENT
  665. select SIBYTE_BCM1120
  666. select SWAP_IO_SPACE
  667. select SYS_HAS_CPU_SB1
  668. select SYS_SUPPORTS_BIG_ENDIAN
  669. select SYS_SUPPORTS_LITTLE_ENDIAN
  670. config SIBYTE_CRHONE
  671. bool "Sibyte BCM91125C-CRhone"
  672. depends on EXPERIMENTAL
  673. select BOOT_ELF32
  674. select DMA_COHERENT
  675. select SIBYTE_BCM1125
  676. select SWAP_IO_SPACE
  677. select SYS_HAS_CPU_SB1
  678. select SYS_SUPPORTS_BIG_ENDIAN
  679. select SYS_SUPPORTS_HIGHMEM
  680. select SYS_SUPPORTS_LITTLE_ENDIAN
  681. config SNI_RM
  682. bool "SNI RM200/300/400"
  683. select ARC if CPU_LITTLE_ENDIAN
  684. select ARC32 if CPU_LITTLE_ENDIAN
  685. select ARCH_MAY_HAVE_PC_FDC
  686. select BOOT_ELF32
  687. select DMA_NONCOHERENT
  688. select GENERIC_ISA_DMA
  689. select HW_HAS_EISA
  690. select HW_HAS_PCI
  691. select IRQ_CPU
  692. select I8253
  693. select I8259
  694. select ISA
  695. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  696. select SYS_HAS_CPU_R4X00
  697. select SYS_HAS_CPU_R5000
  698. select SYS_HAS_CPU_R10000
  699. select R5000_CPU_SCACHE
  700. select SYS_HAS_EARLY_PRINTK
  701. select SYS_SUPPORTS_32BIT_KERNEL
  702. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  703. select SYS_SUPPORTS_BIG_ENDIAN
  704. select SYS_SUPPORTS_HIGHMEM
  705. select SYS_SUPPORTS_LITTLE_ENDIAN
  706. help
  707. The SNI RM200/300/400 are MIPS-based machines manufactured by
  708. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  709. Technology and now in turn merged with Fujitsu. Say Y here to
  710. support this machine type.
  711. config TOSHIBA_JMR3927
  712. bool "Toshiba JMR-TX3927 board"
  713. select DMA_NONCOHERENT
  714. select HW_HAS_PCI
  715. select MIPS_TX3927
  716. select SWAP_IO_SPACE
  717. select SYS_HAS_CPU_TX39XX
  718. select SYS_SUPPORTS_32BIT_KERNEL
  719. select SYS_SUPPORTS_LITTLE_ENDIAN
  720. select SYS_SUPPORTS_BIG_ENDIAN
  721. select TOSHIBA_BOARDS
  722. config TOSHIBA_RBTX4927
  723. bool "Toshiba TBTX49[23]7 board"
  724. select DMA_NONCOHERENT
  725. select HAS_TXX9_SERIAL
  726. select HW_HAS_PCI
  727. select I8259
  728. select ISA
  729. select SWAP_IO_SPACE
  730. select SYS_HAS_CPU_TX49XX
  731. select SYS_SUPPORTS_32BIT_KERNEL
  732. select SYS_SUPPORTS_64BIT_KERNEL
  733. select SYS_SUPPORTS_LITTLE_ENDIAN
  734. select SYS_SUPPORTS_BIG_ENDIAN
  735. select SYS_SUPPORTS_KGDB
  736. select TOSHIBA_BOARDS
  737. select GENERIC_HARDIRQS_NO__DO_IRQ
  738. help
  739. This Toshiba board is based on the TX4927 processor. Say Y here to
  740. support this machine type
  741. config TOSHIBA_RBTX4938
  742. bool "Toshiba RBTX4938 board"
  743. select HAVE_STD_PC_SERIAL_PORT
  744. select DMA_NONCOHERENT
  745. select GENERIC_ISA_DMA
  746. select HAS_TXX9_SERIAL
  747. select HW_HAS_PCI
  748. select I8259
  749. select ISA
  750. select SWAP_IO_SPACE
  751. select SYS_HAS_CPU_TX49XX
  752. select SYS_SUPPORTS_32BIT_KERNEL
  753. select SYS_SUPPORTS_LITTLE_ENDIAN
  754. select SYS_SUPPORTS_BIG_ENDIAN
  755. select SYS_SUPPORTS_KGDB
  756. select TOSHIBA_BOARDS
  757. select GENERIC_HARDIRQS_NO__DO_IRQ
  758. help
  759. This Toshiba board is based on the TX4938 processor. Say Y here to
  760. support this machine type
  761. endchoice
  762. source "arch/mips/ddb5xxx/Kconfig"
  763. source "arch/mips/gt64120/ev64120/Kconfig"
  764. source "arch/mips/jazz/Kconfig"
  765. source "arch/mips/lasat/Kconfig"
  766. source "arch/mips/momentum/Kconfig"
  767. source "arch/mips/pmc-sierra/Kconfig"
  768. source "arch/mips/sgi-ip27/Kconfig"
  769. source "arch/mips/sibyte/Kconfig"
  770. source "arch/mips/tx4927/Kconfig"
  771. source "arch/mips/tx4938/Kconfig"
  772. source "arch/mips/vr41xx/Kconfig"
  773. source "arch/mips/philips/pnx8550/common/Kconfig"
  774. endmenu
  775. config RWSEM_GENERIC_SPINLOCK
  776. bool
  777. default y
  778. config RWSEM_XCHGADD_ALGORITHM
  779. bool
  780. config ARCH_HAS_ILOG2_U32
  781. bool
  782. default n
  783. config ARCH_HAS_ILOG2_U64
  784. bool
  785. default n
  786. config GENERIC_FIND_NEXT_BIT
  787. bool
  788. default y
  789. config GENERIC_HWEIGHT
  790. bool
  791. default y
  792. config GENERIC_CALIBRATE_DELAY
  793. bool
  794. default y
  795. config GENERIC_TIME
  796. bool
  797. default y
  798. config SCHED_NO_NO_OMIT_FRAME_POINTER
  799. bool
  800. default y
  801. config GENERIC_HARDIRQS_NO__DO_IRQ
  802. bool
  803. default n
  804. #
  805. # Select some configuration options automatically based on user selections.
  806. #
  807. config ARC
  808. bool
  809. config ARCH_MAY_HAVE_PC_FDC
  810. bool
  811. config DMA_COHERENT
  812. bool
  813. config DMA_IP27
  814. bool
  815. config DMA_IP32
  816. bool
  817. select DMA_NEED_PCI_MAP_STATE
  818. config DMA_NONCOHERENT
  819. bool
  820. select DMA_NEED_PCI_MAP_STATE
  821. config DMA_NEED_PCI_MAP_STATE
  822. bool
  823. config EARLY_PRINTK
  824. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  825. depends on SYS_HAS_EARLY_PRINTK
  826. default y
  827. help
  828. This option enables special console drivers which allow the kernel
  829. to print messages very early in the bootup process.
  830. This is useful for kernel debugging when your machine crashes very
  831. early before the console code is initialized. For normal operation
  832. it is not recommended because it looks on some machines ugly and
  833. oesn't cooperate with an X server. You should normally N here,
  834. unless you want to debug such a crash.
  835. config SYS_HAS_EARLY_PRINTK
  836. bool
  837. config GENERIC_ISA_DMA
  838. bool
  839. config I8259
  840. bool
  841. config LIMITED_DMA
  842. bool
  843. select HIGHMEM
  844. select SYS_SUPPORTS_HIGHMEM
  845. config MIPS_BONITO64
  846. bool
  847. config MIPS_MSC
  848. bool
  849. config MIPS_NILE4
  850. bool
  851. config MIPS_DISABLE_OBSOLETE_IDE
  852. bool
  853. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  854. bool
  855. #
  856. # Endianess selection. Sufficiently obscure so many users don't know what to
  857. # answer,so we try hard to limit the available choices. Also the use of a
  858. # choice statement should be more obvious to the user.
  859. #
  860. choice
  861. prompt "Endianess selection"
  862. help
  863. Some MIPS machines can be configured for either little or big endian
  864. byte order. These modes require different kernels and a different
  865. Linux distribution. In general there is one preferred byteorder for a
  866. particular system but some systems are just as commonly used in the
  867. one or the other endianess.
  868. config CPU_BIG_ENDIAN
  869. bool "Big endian"
  870. depends on SYS_SUPPORTS_BIG_ENDIAN
  871. config CPU_LITTLE_ENDIAN
  872. bool "Little endian"
  873. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  874. help
  875. endchoice
  876. config SYS_SUPPORTS_APM_EMULATION
  877. bool
  878. config SYS_SUPPORTS_BIG_ENDIAN
  879. bool
  880. config SYS_SUPPORTS_LITTLE_ENDIAN
  881. bool
  882. config IRQ_CPU
  883. bool
  884. config IRQ_CPU_RM7K
  885. bool
  886. config IRQ_CPU_RM9K
  887. bool
  888. config IRQ_MV64340
  889. bool
  890. config DDB5XXX_COMMON
  891. bool
  892. select SYS_SUPPORTS_KGDB
  893. config MIPS_BOARDS_GEN
  894. bool
  895. config MIPS_GT64111
  896. bool
  897. config MIPS_GT64120
  898. bool
  899. config MIPS_TX3927
  900. bool
  901. select HAS_TXX9_SERIAL
  902. config MIPS_RM9122
  903. bool
  904. select SERIAL_RM9000
  905. select GPI_RM9000
  906. select WDT_RM9000
  907. config PCI_MARVELL
  908. bool
  909. config SOC_AU1000
  910. bool
  911. select SOC_AU1X00
  912. config SOC_AU1100
  913. bool
  914. select SOC_AU1X00
  915. config SOC_AU1500
  916. bool
  917. select SOC_AU1X00
  918. config SOC_AU1550
  919. bool
  920. select SOC_AU1X00
  921. config SOC_AU1200
  922. bool
  923. select SOC_AU1X00
  924. config SOC_AU1X00
  925. bool
  926. select SYS_HAS_CPU_MIPS32_R1
  927. select SYS_SUPPORTS_32BIT_KERNEL
  928. select SYS_SUPPORTS_APM_EMULATION
  929. select SYS_SUPPORTS_KGDB
  930. config PNX8550
  931. bool
  932. select SOC_PNX8550
  933. config SOC_PNX8550
  934. bool
  935. select DMA_NONCOHERENT
  936. select HW_HAS_PCI
  937. select SYS_HAS_CPU_MIPS32_R1
  938. select SYS_HAS_EARLY_PRINTK
  939. select SYS_SUPPORTS_32BIT_KERNEL
  940. select GENERIC_HARDIRQS_NO__DO_IRQ
  941. select SYS_SUPPORTS_KGDB
  942. config SWAP_IO_SPACE
  943. bool
  944. config EMMA2RH
  945. bool
  946. depends on MARKEINS
  947. default y
  948. config SERIAL_RM9000
  949. bool
  950. config GPI_RM9000
  951. bool
  952. config WDT_RM9000
  953. bool
  954. #
  955. # Unfortunately not all GT64120 systems run the chip at the same clock.
  956. # As the user for the clock rate and try to minimize the available options.
  957. #
  958. choice
  959. prompt "Galileo Chip Clock"
  960. #default SYSCLK_83 if MIPS_EV64120
  961. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  962. default SYSCLK_83 if MIPS_EV64120
  963. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  964. config SYSCLK_75
  965. bool "75" if MIPS_EV64120
  966. config SYSCLK_83
  967. bool "83.3" if MIPS_EV64120
  968. config SYSCLK_100
  969. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  970. endchoice
  971. config ARC32
  972. bool
  973. config BOOT_ELF32
  974. bool
  975. config MIPS_L1_CACHE_SHIFT
  976. int
  977. default "4" if MACH_DECSTATION || SNI_RM
  978. default "7" if SGI_IP27
  979. default "5"
  980. config HAVE_STD_PC_SERIAL_PORT
  981. bool
  982. config ARC_CONSOLE
  983. bool "ARC console support"
  984. depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
  985. config ARC_MEMORY
  986. bool
  987. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  988. default y
  989. config ARC_PROMLIB
  990. bool
  991. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
  992. default y
  993. config ARC64
  994. bool
  995. config BOOT_ELF64
  996. bool
  997. config TOSHIBA_BOARDS
  998. bool
  999. menu "CPU selection"
  1000. choice
  1001. prompt "CPU type"
  1002. default CPU_R4X00
  1003. config CPU_MIPS32_R1
  1004. bool "MIPS32 Release 1"
  1005. depends on SYS_HAS_CPU_MIPS32_R1
  1006. select CPU_HAS_LLSC
  1007. select CPU_HAS_PREFETCH
  1008. select CPU_SUPPORTS_32BIT_KERNEL
  1009. select CPU_SUPPORTS_HIGHMEM
  1010. help
  1011. Choose this option to build a kernel for release 1 or later of the
  1012. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1013. MIPS processor are based on a MIPS32 processor. If you know the
  1014. specific type of processor in your system, choose those that one
  1015. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1016. Release 2 of the MIPS32 architecture is available since several
  1017. years so chances are you even have a MIPS32 Release 2 processor
  1018. in which case you should choose CPU_MIPS32_R2 instead for better
  1019. performance.
  1020. config CPU_MIPS32_R2
  1021. bool "MIPS32 Release 2"
  1022. depends on SYS_HAS_CPU_MIPS32_R2
  1023. select CPU_HAS_LLSC
  1024. select CPU_HAS_PREFETCH
  1025. select CPU_SUPPORTS_32BIT_KERNEL
  1026. select CPU_SUPPORTS_HIGHMEM
  1027. help
  1028. Choose this option to build a kernel for release 2 or later of the
  1029. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1030. MIPS processor are based on a MIPS32 processor. If you know the
  1031. specific type of processor in your system, choose those that one
  1032. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1033. config CPU_MIPS64_R1
  1034. bool "MIPS64 Release 1"
  1035. depends on SYS_HAS_CPU_MIPS64_R1
  1036. select CPU_HAS_LLSC
  1037. select CPU_HAS_PREFETCH
  1038. select CPU_SUPPORTS_32BIT_KERNEL
  1039. select CPU_SUPPORTS_64BIT_KERNEL
  1040. select CPU_SUPPORTS_HIGHMEM
  1041. help
  1042. Choose this option to build a kernel for release 1 or later of the
  1043. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1044. MIPS processor are based on a MIPS64 processor. If you know the
  1045. specific type of processor in your system, choose those that one
  1046. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1047. Release 2 of the MIPS64 architecture is available since several
  1048. years so chances are you even have a MIPS64 Release 2 processor
  1049. in which case you should choose CPU_MIPS64_R2 instead for better
  1050. performance.
  1051. config CPU_MIPS64_R2
  1052. bool "MIPS64 Release 2"
  1053. depends on SYS_HAS_CPU_MIPS64_R2
  1054. select CPU_HAS_LLSC
  1055. select CPU_HAS_PREFETCH
  1056. select CPU_SUPPORTS_32BIT_KERNEL
  1057. select CPU_SUPPORTS_64BIT_KERNEL
  1058. select CPU_SUPPORTS_HIGHMEM
  1059. help
  1060. Choose this option to build a kernel for release 2 or later of the
  1061. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1062. MIPS processor are based on a MIPS64 processor. If you know the
  1063. specific type of processor in your system, choose those that one
  1064. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1065. config CPU_R3000
  1066. bool "R3000"
  1067. depends on SYS_HAS_CPU_R3000
  1068. select CPU_HAS_WB
  1069. select CPU_SUPPORTS_32BIT_KERNEL
  1070. select CPU_SUPPORTS_HIGHMEM
  1071. help
  1072. Please make sure to pick the right CPU type. Linux/MIPS is not
  1073. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1074. *not* work on R4000 machines and vice versa. However, since most
  1075. of the supported machines have an R4000 (or similar) CPU, R4x00
  1076. might be a safe bet. If the resulting kernel does not work,
  1077. try to recompile with R3000.
  1078. config CPU_TX39XX
  1079. bool "R39XX"
  1080. depends on SYS_HAS_CPU_TX39XX
  1081. select CPU_SUPPORTS_32BIT_KERNEL
  1082. config CPU_VR41XX
  1083. bool "R41xx"
  1084. depends on SYS_HAS_CPU_VR41XX
  1085. select CPU_SUPPORTS_32BIT_KERNEL
  1086. select CPU_SUPPORTS_64BIT_KERNEL
  1087. help
  1088. The options selects support for the NEC VR4100 series of processors.
  1089. Only choose this option if you have one of these processors as a
  1090. kernel built with this option will not run on any other type of
  1091. processor or vice versa.
  1092. config CPU_R4300
  1093. bool "R4300"
  1094. depends on SYS_HAS_CPU_R4300
  1095. select CPU_HAS_LLSC
  1096. select CPU_SUPPORTS_32BIT_KERNEL
  1097. select CPU_SUPPORTS_64BIT_KERNEL
  1098. help
  1099. MIPS Technologies R4300-series processors.
  1100. config CPU_R4X00
  1101. bool "R4x00"
  1102. depends on SYS_HAS_CPU_R4X00
  1103. select CPU_HAS_LLSC
  1104. select CPU_SUPPORTS_32BIT_KERNEL
  1105. select CPU_SUPPORTS_64BIT_KERNEL
  1106. help
  1107. MIPS Technologies R4000-series processors other than 4300, including
  1108. the R4000, R4400, R4600, and 4700.
  1109. config CPU_TX49XX
  1110. bool "R49XX"
  1111. depends on SYS_HAS_CPU_TX49XX
  1112. select CPU_HAS_LLSC
  1113. select CPU_HAS_PREFETCH
  1114. select CPU_SUPPORTS_32BIT_KERNEL
  1115. select CPU_SUPPORTS_64BIT_KERNEL
  1116. config CPU_R5000
  1117. bool "R5000"
  1118. depends on SYS_HAS_CPU_R5000
  1119. select CPU_HAS_LLSC
  1120. select CPU_SUPPORTS_32BIT_KERNEL
  1121. select CPU_SUPPORTS_64BIT_KERNEL
  1122. help
  1123. MIPS Technologies R5000-series processors other than the Nevada.
  1124. config CPU_R5432
  1125. bool "R5432"
  1126. depends on SYS_HAS_CPU_R5432
  1127. select CPU_HAS_LLSC
  1128. select CPU_SUPPORTS_32BIT_KERNEL
  1129. select CPU_SUPPORTS_64BIT_KERNEL
  1130. config CPU_R6000
  1131. bool "R6000"
  1132. depends on EXPERIMENTAL
  1133. select CPU_HAS_LLSC
  1134. depends on SYS_HAS_CPU_R6000
  1135. select CPU_SUPPORTS_32BIT_KERNEL
  1136. help
  1137. MIPS Technologies R6000 and R6000A series processors. Note these
  1138. processors are extremely rare and the support for them is incomplete.
  1139. config CPU_NEVADA
  1140. bool "RM52xx"
  1141. depends on SYS_HAS_CPU_NEVADA
  1142. select CPU_HAS_LLSC
  1143. select CPU_SUPPORTS_32BIT_KERNEL
  1144. select CPU_SUPPORTS_64BIT_KERNEL
  1145. help
  1146. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1147. config CPU_R8000
  1148. bool "R8000"
  1149. depends on EXPERIMENTAL
  1150. depends on SYS_HAS_CPU_R8000
  1151. select CPU_HAS_LLSC
  1152. select CPU_HAS_PREFETCH
  1153. select CPU_SUPPORTS_64BIT_KERNEL
  1154. help
  1155. MIPS Technologies R8000 processors. Note these processors are
  1156. uncommon and the support for them is incomplete.
  1157. config CPU_R10000
  1158. bool "R10000"
  1159. depends on SYS_HAS_CPU_R10000
  1160. select CPU_HAS_LLSC
  1161. select CPU_HAS_PREFETCH
  1162. select CPU_SUPPORTS_32BIT_KERNEL
  1163. select CPU_SUPPORTS_64BIT_KERNEL
  1164. select CPU_SUPPORTS_HIGHMEM
  1165. help
  1166. MIPS Technologies R10000-series processors.
  1167. config CPU_RM7000
  1168. bool "RM7000"
  1169. depends on SYS_HAS_CPU_RM7000
  1170. select CPU_HAS_LLSC
  1171. select CPU_HAS_PREFETCH
  1172. select CPU_SUPPORTS_32BIT_KERNEL
  1173. select CPU_SUPPORTS_64BIT_KERNEL
  1174. select CPU_SUPPORTS_HIGHMEM
  1175. config CPU_RM9000
  1176. bool "RM9000"
  1177. depends on SYS_HAS_CPU_RM9000
  1178. select CPU_HAS_LLSC
  1179. select CPU_HAS_PREFETCH
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. select CPU_SUPPORTS_64BIT_KERNEL
  1182. select CPU_SUPPORTS_HIGHMEM
  1183. select WEAK_ORDERING
  1184. config CPU_SB1
  1185. bool "SB1"
  1186. depends on SYS_HAS_CPU_SB1
  1187. select CPU_HAS_LLSC
  1188. select CPU_SUPPORTS_32BIT_KERNEL
  1189. select CPU_SUPPORTS_64BIT_KERNEL
  1190. select CPU_SUPPORTS_HIGHMEM
  1191. select WEAK_ORDERING
  1192. endchoice
  1193. config SYS_HAS_CPU_MIPS32_R1
  1194. bool
  1195. config SYS_HAS_CPU_MIPS32_R2
  1196. bool
  1197. config SYS_HAS_CPU_MIPS64_R1
  1198. bool
  1199. config SYS_HAS_CPU_MIPS64_R2
  1200. bool
  1201. config SYS_HAS_CPU_R3000
  1202. bool
  1203. config SYS_HAS_CPU_TX39XX
  1204. bool
  1205. config SYS_HAS_CPU_VR41XX
  1206. bool
  1207. config SYS_HAS_CPU_R4300
  1208. bool
  1209. config SYS_HAS_CPU_R4X00
  1210. bool
  1211. config SYS_HAS_CPU_TX49XX
  1212. bool
  1213. config SYS_HAS_CPU_R5000
  1214. bool
  1215. config SYS_HAS_CPU_R5432
  1216. bool
  1217. config SYS_HAS_CPU_R6000
  1218. bool
  1219. config SYS_HAS_CPU_NEVADA
  1220. bool
  1221. config SYS_HAS_CPU_R8000
  1222. bool
  1223. config SYS_HAS_CPU_R10000
  1224. bool
  1225. config SYS_HAS_CPU_RM7000
  1226. bool
  1227. config SYS_HAS_CPU_RM9000
  1228. bool
  1229. config SYS_HAS_CPU_SB1
  1230. bool
  1231. config WEAK_ORDERING
  1232. bool
  1233. endmenu
  1234. #
  1235. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1236. #
  1237. config CPU_MIPS32
  1238. bool
  1239. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1240. config CPU_MIPS64
  1241. bool
  1242. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1243. #
  1244. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1245. #
  1246. config CPU_MIPSR1
  1247. bool
  1248. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1249. config CPU_MIPSR2
  1250. bool
  1251. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1252. config SYS_SUPPORTS_32BIT_KERNEL
  1253. bool
  1254. config SYS_SUPPORTS_64BIT_KERNEL
  1255. bool
  1256. config CPU_SUPPORTS_32BIT_KERNEL
  1257. bool
  1258. config CPU_SUPPORTS_64BIT_KERNEL
  1259. bool
  1260. menu "Kernel type"
  1261. choice
  1262. prompt "Kernel code model"
  1263. help
  1264. You should only select this option if you have a workload that
  1265. actually benefits from 64-bit processing or if your machine has
  1266. large memory. You will only be presented a single option in this
  1267. menu if your system does not support both 32-bit and 64-bit kernels.
  1268. config 32BIT
  1269. bool "32-bit kernel"
  1270. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1271. select TRAD_SIGNALS
  1272. help
  1273. Select this option if you want to build a 32-bit kernel.
  1274. config 64BIT
  1275. bool "64-bit kernel"
  1276. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1277. help
  1278. Select this option if you want to build a 64-bit kernel.
  1279. endchoice
  1280. choice
  1281. prompt "Kernel page size"
  1282. default PAGE_SIZE_4KB
  1283. config PAGE_SIZE_4KB
  1284. bool "4kB"
  1285. help
  1286. This option select the standard 4kB Linux page size. On some
  1287. R3000-family processors this is the only available page size. Using
  1288. 4kB page size will minimize memory consumption and is therefore
  1289. recommended for low memory systems.
  1290. config PAGE_SIZE_8KB
  1291. bool "8kB"
  1292. depends on EXPERIMENTAL && CPU_R8000
  1293. help
  1294. Using 8kB page size will result in higher performance kernel at
  1295. the price of higher memory consumption. This option is available
  1296. only on the R8000 processor. Not that at the time of this writing
  1297. this option is still high experimental; there are also issues with
  1298. compatibility of user applications.
  1299. config PAGE_SIZE_16KB
  1300. bool "16kB"
  1301. depends on !CPU_R3000 && !CPU_TX39XX
  1302. help
  1303. Using 16kB page size will result in higher performance kernel at
  1304. the price of higher memory consumption. This option is available on
  1305. all non-R3000 family processors. Note that you will need a suitable
  1306. Linux distribution to support this.
  1307. config PAGE_SIZE_64KB
  1308. bool "64kB"
  1309. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1310. help
  1311. Using 64kB page size will result in higher performance kernel at
  1312. the price of higher memory consumption. This option is available on
  1313. all non-R3000 family processor. Not that at the time of this
  1314. writing this option is still high experimental.
  1315. endchoice
  1316. config BOARD_SCACHE
  1317. bool
  1318. config IP22_CPU_SCACHE
  1319. bool
  1320. select BOARD_SCACHE
  1321. #
  1322. # Support for a MIPS32 / MIPS64 style S-caches
  1323. #
  1324. config MIPS_CPU_SCACHE
  1325. bool
  1326. select BOARD_SCACHE
  1327. config R5000_CPU_SCACHE
  1328. bool
  1329. select BOARD_SCACHE
  1330. config RM7000_CPU_SCACHE
  1331. bool
  1332. select BOARD_SCACHE
  1333. config SIBYTE_DMA_PAGEOPS
  1334. bool "Use DMA to clear/copy pages"
  1335. depends on CPU_SB1
  1336. help
  1337. Instead of using the CPU to zero and copy pages, use a Data Mover
  1338. channel. These DMA channels are otherwise unused by the standard
  1339. SiByte Linux port. Seems to give a small performance benefit.
  1340. config CPU_HAS_PREFETCH
  1341. bool
  1342. choice
  1343. prompt "MIPS MT options"
  1344. config MIPS_MT_DISABLED
  1345. bool "Disable multithreading support."
  1346. help
  1347. Use this option if your workload can't take advantage of
  1348. MIPS hardware multithreading support. On systems that don't have
  1349. the option of an MT-enabled processor this option will be the only
  1350. option in this menu.
  1351. config MIPS_MT_SMP
  1352. bool "Use 1 TC on each available VPE for SMP"
  1353. depends on SYS_SUPPORTS_MULTITHREADING
  1354. select CPU_MIPSR2_IRQ_VI
  1355. select CPU_MIPSR2_SRS
  1356. select MIPS_MT
  1357. select NR_CPUS_DEFAULT_2
  1358. select SMP
  1359. select SYS_SUPPORTS_SMP
  1360. help
  1361. This is a kernel model which is also known a VSMP or lately
  1362. has been marketesed into SMVP.
  1363. config MIPS_MT_SMTC
  1364. bool "SMTC: Use all TCs on all VPEs for SMP"
  1365. depends on CPU_MIPS32_R2
  1366. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1367. depends on SYS_SUPPORTS_MULTITHREADING
  1368. select CPU_MIPSR2_IRQ_VI
  1369. select CPU_MIPSR2_SRS
  1370. select MIPS_MT
  1371. select NR_CPUS_DEFAULT_8
  1372. select SMP
  1373. select SYS_SUPPORTS_SMP
  1374. help
  1375. This is a kernel model which is known a SMTC or lately has been
  1376. marketesed into SMVP.
  1377. config MIPS_VPE_LOADER
  1378. bool "VPE loader support."
  1379. depends on SYS_SUPPORTS_MULTITHREADING
  1380. select MIPS_MT
  1381. help
  1382. Includes a loader for loading an elf relocatable object
  1383. onto another VPE and running it.
  1384. endchoice
  1385. config MIPS_MT
  1386. bool
  1387. config SYS_SUPPORTS_MULTITHREADING
  1388. bool
  1389. config MIPS_MT_FPAFF
  1390. bool "Dynamic FPU affinity for FP-intensive threads"
  1391. depends on MIPS_MT
  1392. default y
  1393. config MIPS_MT_SMTC_INSTANT_REPLAY
  1394. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1395. depends on MIPS_MT_SMTC
  1396. default y
  1397. help
  1398. SMTC pseudo-interrupts between TCs are deferred and queued
  1399. if the target TC is interrupt-inhibited (IXMT). In the first
  1400. SMTC prototypes, these queued IPIs were serviced on return
  1401. to user mode, or on entry into the kernel idle loop. The
  1402. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1403. processing, which adds runtime overhead (hence the option to turn
  1404. it off), but ensures that IPIs are handled promptly even under
  1405. heavy I/O interrupt load.
  1406. config MIPS_VPE_LOADER_TOM
  1407. bool "Load VPE program into memory hidden from linux"
  1408. depends on MIPS_VPE_LOADER
  1409. default y
  1410. help
  1411. The loader can use memory that is present but has been hidden from
  1412. Linux using the kernel command line option "mem=xxMB". It's up to
  1413. you to ensure the amount you put in the option and the space your
  1414. program requires is less or equal to the amount physically present.
  1415. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1416. config MIPS_VPE_APSP_API
  1417. bool "Enable support for AP/SP API (RTLX)"
  1418. depends on MIPS_VPE_LOADER
  1419. help
  1420. config MIPS_APSP_KSPD
  1421. bool "Enable KSPD"
  1422. depends on MIPS_VPE_APSP_API
  1423. default y
  1424. help
  1425. KSPD is a kernel daemon that accepts syscall requests from the SP
  1426. side, actions them and returns the results. It also handles the
  1427. "exit" syscall notifying other kernel modules the SP program is
  1428. exiting. You probably want to say yes here.
  1429. config SB1_PASS_1_WORKAROUNDS
  1430. bool
  1431. depends on CPU_SB1_PASS_1
  1432. default y
  1433. config SB1_PASS_2_WORKAROUNDS
  1434. bool
  1435. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1436. default y
  1437. config SB1_PASS_2_1_WORKAROUNDS
  1438. bool
  1439. depends on CPU_SB1 && CPU_SB1_PASS_2
  1440. default y
  1441. config 64BIT_PHYS_ADDR
  1442. bool "Support for 64-bit physical address space"
  1443. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1444. config CPU_HAS_LLSC
  1445. bool
  1446. config CPU_HAS_SMARTMIPS
  1447. depends on SYS_SUPPORTS_SMARTMIPS
  1448. bool "Support for the SmartMIPS ASE"
  1449. help
  1450. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1451. increased security at both hardware and software level for
  1452. smartcards. Enabling this option will allow proper use of the
  1453. SmartMIPS instructions by Linux applications. However a kernel with
  1454. this option will not work on a MIPS core without SmartMIPS core. If
  1455. you don't know you probably don't have SmartMIPS and should say N
  1456. here.
  1457. config CPU_HAS_WB
  1458. bool
  1459. #
  1460. # Vectored interrupt mode is an R2 feature
  1461. #
  1462. config CPU_MIPSR2_IRQ_VI
  1463. bool
  1464. #
  1465. # Extended interrupt mode is an R2 feature
  1466. #
  1467. config CPU_MIPSR2_IRQ_EI
  1468. bool
  1469. #
  1470. # Shadow registers are an R2 feature
  1471. #
  1472. config CPU_MIPSR2_SRS
  1473. bool
  1474. config CPU_HAS_SYNC
  1475. bool
  1476. depends on !CPU_R3000
  1477. default y
  1478. #
  1479. # Use the generic interrupt handling code in kernel/irq/:
  1480. #
  1481. config GENERIC_HARDIRQS
  1482. bool
  1483. default y
  1484. config GENERIC_IRQ_PROBE
  1485. bool
  1486. default y
  1487. config IRQ_PER_CPU
  1488. bool
  1489. #
  1490. # - Highmem only makes sense for the 32-bit kernel.
  1491. # - The current highmem code will only work properly on physically indexed
  1492. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1493. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1494. # moment we protect the user and offer the highmem option only on machines
  1495. # where it's known to be safe. This will not offer highmem on a few systems
  1496. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1497. # indexed CPUs but we're playing safe.
  1498. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1499. # know they might have memory configurations that could make use of highmem
  1500. # support.
  1501. #
  1502. config HIGHMEM
  1503. bool "High Memory Support"
  1504. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1505. config CPU_SUPPORTS_HIGHMEM
  1506. bool
  1507. config SYS_SUPPORTS_HIGHMEM
  1508. bool
  1509. config SYS_SUPPORTS_SMARTMIPS
  1510. bool
  1511. config ARCH_FLATMEM_ENABLE
  1512. def_bool y
  1513. depends on !NUMA
  1514. config ARCH_DISCONTIGMEM_ENABLE
  1515. bool
  1516. default y if SGI_IP27
  1517. help
  1518. Say Y to upport efficient handling of discontiguous physical memory,
  1519. for architectures which are either NUMA (Non-Uniform Memory Access)
  1520. or have huge holes in the physical address space for other reasons.
  1521. See <file:Documentation/vm/numa> for more.
  1522. config ARCH_SPARSEMEM_ENABLE
  1523. bool
  1524. select SPARSEMEM_STATIC
  1525. config NUMA
  1526. bool "NUMA Support"
  1527. depends on SYS_SUPPORTS_NUMA
  1528. help
  1529. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1530. Access). This option improves performance on systems with more
  1531. than two nodes; on two node systems it is generally better to
  1532. leave it disabled; on single node systems disable this option
  1533. disabled.
  1534. config SYS_SUPPORTS_NUMA
  1535. bool
  1536. config NODES_SHIFT
  1537. int
  1538. default "6"
  1539. depends on NEED_MULTIPLE_NODES
  1540. source "mm/Kconfig"
  1541. config SMP
  1542. bool "Multi-Processing support"
  1543. depends on SYS_SUPPORTS_SMP
  1544. select IRQ_PER_CPU
  1545. help
  1546. This enables support for systems with more than one CPU. If you have
  1547. a system with only one CPU, like most personal computers, say N. If
  1548. you have a system with more than one CPU, say Y.
  1549. If you say N here, the kernel will run on single and multiprocessor
  1550. machines, but will use only one CPU of a multiprocessor machine. If
  1551. you say Y here, the kernel will run on many, but not all,
  1552. singleprocessor machines. On a singleprocessor machine, the kernel
  1553. will run faster if you say N here.
  1554. People using multiprocessor machines who say Y here should also say
  1555. Y to "Enhanced Real Time Clock Support", below.
  1556. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1557. available at <http://www.tldp.org/docs.html#howto>.
  1558. If you don't know what to do here, say N.
  1559. config SYS_SUPPORTS_SMP
  1560. bool
  1561. config NR_CPUS_DEFAULT_1
  1562. bool
  1563. config NR_CPUS_DEFAULT_2
  1564. bool
  1565. config NR_CPUS_DEFAULT_4
  1566. bool
  1567. config NR_CPUS_DEFAULT_8
  1568. bool
  1569. config NR_CPUS_DEFAULT_16
  1570. bool
  1571. config NR_CPUS_DEFAULT_32
  1572. bool
  1573. config NR_CPUS_DEFAULT_64
  1574. bool
  1575. config NR_CPUS
  1576. int "Maximum number of CPUs (2-64)"
  1577. range 1 64 if NR_CPUS_DEFAULT_1
  1578. depends on SMP
  1579. default "1" if NR_CPUS_DEFAULT_1
  1580. default "2" if NR_CPUS_DEFAULT_2
  1581. default "4" if NR_CPUS_DEFAULT_4
  1582. default "8" if NR_CPUS_DEFAULT_8
  1583. default "16" if NR_CPUS_DEFAULT_16
  1584. default "32" if NR_CPUS_DEFAULT_32
  1585. default "64" if NR_CPUS_DEFAULT_64
  1586. help
  1587. This allows you to specify the maximum number of CPUs which this
  1588. kernel will support. The maximum supported value is 32 for 32-bit
  1589. kernel and 64 for 64-bit kernels; the minimum value which makes
  1590. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1591. and 2 for all others.
  1592. This is purely to save memory - each supported CPU adds
  1593. approximately eight kilobytes to the kernel image. For best
  1594. performance should round up your number of processors to the next
  1595. power of two.
  1596. #
  1597. # Timer Interrupt Frequency Configuration
  1598. #
  1599. choice
  1600. prompt "Timer frequency"
  1601. default HZ_250
  1602. help
  1603. Allows the configuration of the timer frequency.
  1604. config HZ_48
  1605. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1606. config HZ_100
  1607. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1608. config HZ_128
  1609. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1610. config HZ_250
  1611. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1612. config HZ_256
  1613. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1614. config HZ_1000
  1615. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1616. config HZ_1024
  1617. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1618. endchoice
  1619. config SYS_SUPPORTS_48HZ
  1620. bool
  1621. config SYS_SUPPORTS_100HZ
  1622. bool
  1623. config SYS_SUPPORTS_128HZ
  1624. bool
  1625. config SYS_SUPPORTS_250HZ
  1626. bool
  1627. config SYS_SUPPORTS_256HZ
  1628. bool
  1629. config SYS_SUPPORTS_1000HZ
  1630. bool
  1631. config SYS_SUPPORTS_1024HZ
  1632. bool
  1633. config SYS_SUPPORTS_ARBIT_HZ
  1634. bool
  1635. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1636. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1637. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1638. !SYS_SUPPORTS_1024HZ
  1639. config HZ
  1640. int
  1641. default 48 if HZ_48
  1642. default 100 if HZ_100
  1643. default 128 if HZ_128
  1644. default 250 if HZ_250
  1645. default 256 if HZ_256
  1646. default 1000 if HZ_1000
  1647. default 1024 if HZ_1024
  1648. source "kernel/Kconfig.preempt"
  1649. config MIPS_INSANE_LARGE
  1650. bool "Support for large 64-bit configurations"
  1651. depends on CPU_R10000 && 64BIT
  1652. help
  1653. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1654. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1655. need processes of more than 1TB virtual address space, say Y here.
  1656. This will result in additional memory usage, so it is not
  1657. recommended for normal users.
  1658. config KEXEC
  1659. bool "Kexec system call (EXPERIMENTAL)"
  1660. depends on EXPERIMENTAL
  1661. help
  1662. kexec is a system call that implements the ability to shutdown your
  1663. current kernel, and to start another kernel. It is like a reboot
  1664. but it is indepedent of the system firmware. And like a reboot
  1665. you can start any kernel with it, not just Linux.
  1666. The name comes from the similiarity to the exec system call.
  1667. It is an ongoing process to be certain the hardware in a machine
  1668. is properly shutdown, so do not be surprised if this code does not
  1669. initially work for you. It may help to enable device hotplugging
  1670. support. As of this writing the exact hardware interface is
  1671. strongly in flux, so no good recommendation can be made.
  1672. config SECCOMP
  1673. bool "Enable seccomp to safely compute untrusted bytecode"
  1674. depends on PROC_FS && BROKEN
  1675. default y
  1676. help
  1677. This kernel feature is useful for number crunching applications
  1678. that may need to compute untrusted bytecode during their
  1679. execution. By using pipes or other transports made available to
  1680. the process as file descriptors supporting the read/write
  1681. syscalls, it's possible to isolate those applications in
  1682. their own address space using seccomp. Once seccomp is
  1683. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1684. and the task is only allowed to execute a few safe syscalls
  1685. defined by each seccomp mode.
  1686. If unsure, say Y. Only embedded should say N here.
  1687. endmenu
  1688. config RWSEM_GENERIC_SPINLOCK
  1689. bool
  1690. default y
  1691. config LOCKDEP_SUPPORT
  1692. bool
  1693. default y
  1694. config STACKTRACE_SUPPORT
  1695. bool
  1696. default y
  1697. source "init/Kconfig"
  1698. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1699. config HW_HAS_EISA
  1700. bool
  1701. config HW_HAS_PCI
  1702. bool
  1703. config PCI
  1704. bool "Support for PCI controller"
  1705. depends on HW_HAS_PCI
  1706. help
  1707. Find out whether you have a PCI motherboard. PCI is the name of a
  1708. bus system, i.e. the way the CPU talks to the other stuff inside
  1709. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1710. say Y, otherwise N.
  1711. The PCI-HOWTO, available from
  1712. <http://www.tldp.org/docs.html#howto>, contains valuable
  1713. information about which PCI hardware does work under Linux and which
  1714. doesn't.
  1715. config PCI_DOMAINS
  1716. bool
  1717. depends on PCI
  1718. source "drivers/pci/Kconfig"
  1719. #
  1720. # ISA support is now enabled via select. Too many systems still have the one
  1721. # or other ISA chip on the board that users don't know about so don't expect
  1722. # users to choose the right thing ...
  1723. #
  1724. config ISA
  1725. bool
  1726. config EISA
  1727. bool "EISA support"
  1728. depends on HW_HAS_EISA
  1729. select ISA
  1730. select GENERIC_ISA_DMA
  1731. ---help---
  1732. The Extended Industry Standard Architecture (EISA) bus was
  1733. developed as an open alternative to the IBM MicroChannel bus.
  1734. The EISA bus provided some of the features of the IBM MicroChannel
  1735. bus while maintaining backward compatibility with cards made for
  1736. the older ISA bus. The EISA bus saw limited use between 1988 and
  1737. 1995 when it was made obsolete by the PCI bus.
  1738. Say Y here if you are building a kernel for an EISA-based machine.
  1739. Otherwise, say N.
  1740. source "drivers/eisa/Kconfig"
  1741. config TC
  1742. bool "TURBOchannel support"
  1743. depends on MACH_DECSTATION
  1744. help
  1745. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1746. processors. Documentation on writing device drivers for TurboChannel
  1747. is available at:
  1748. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1749. #config ACCESSBUS
  1750. # bool "Access.Bus support"
  1751. # depends on TC
  1752. config MMU
  1753. bool
  1754. default y
  1755. config I8253
  1756. bool
  1757. source "drivers/pcmcia/Kconfig"
  1758. source "drivers/pci/hotplug/Kconfig"
  1759. endmenu
  1760. menu "Executable file formats"
  1761. source "fs/Kconfig.binfmt"
  1762. config TRAD_SIGNALS
  1763. bool
  1764. config BUILD_ELF64
  1765. bool "Use 64-bit ELF format for building"
  1766. depends on 64BIT
  1767. help
  1768. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1769. format as it's one that allows arbitrary 64-bit constructs. For
  1770. kernels that are loaded within the KSEG compatibility segments the
  1771. 32-bit ELF format can optionally be used resulting in a somewhat
  1772. smaller binary, but this option is not explicitly supported by the
  1773. toolchain and since binutils 2.14 it does not even work at all.
  1774. Say Y to use the 64-bit format or N to use the 32-bit one.
  1775. If unsure say Y.
  1776. config BINFMT_IRIX
  1777. bool "Include IRIX binary compatibility"
  1778. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1779. config MIPS32_COMPAT
  1780. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1781. depends on 64BIT
  1782. help
  1783. Select this option if you want Linux/MIPS 32-bit binary
  1784. compatibility. Since all software available for Linux/MIPS is
  1785. currently 32-bit you should say Y here.
  1786. config COMPAT
  1787. bool
  1788. depends on MIPS32_COMPAT
  1789. default y
  1790. config SYSVIPC_COMPAT
  1791. bool
  1792. depends on COMPAT && SYSVIPC
  1793. default y
  1794. config MIPS32_O32
  1795. bool "Kernel support for o32 binaries"
  1796. depends on MIPS32_COMPAT
  1797. help
  1798. Select this option if you want to run o32 binaries. These are pure
  1799. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1800. existing binaries are in this format.
  1801. If unsure, say Y.
  1802. config MIPS32_N32
  1803. bool "Kernel support for n32 binaries"
  1804. depends on MIPS32_COMPAT
  1805. help
  1806. Select this option if you want to run n32 binaries. These are
  1807. 64-bit binaries using 32-bit quantities for addressing and certain
  1808. data that would normally be 64-bit. They are used in special
  1809. cases.
  1810. If unsure, say N.
  1811. config BINFMT_ELF32
  1812. bool
  1813. default y if MIPS32_O32 || MIPS32_N32
  1814. endmenu
  1815. menu "Power management options"
  1816. source "kernel/power/Kconfig"
  1817. endmenu
  1818. source "net/Kconfig"
  1819. source "drivers/Kconfig"
  1820. source "fs/Kconfig"
  1821. source "arch/mips/oprofile/Kconfig"
  1822. source "arch/mips/Kconfig.debug"
  1823. source "security/Kconfig"
  1824. source "crypto/Kconfig"
  1825. source "lib/Kconfig"