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 EXPERIMENTAL
  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. help
  501. Qemu is a software emulator which among other architectures also
  502. can simulate a MIPS32 4Kc system. This patch adds support for the
  503. system architecture that currently is being simulated by Qemu. It
  504. will eventually be removed again when Qemu has the capability to
  505. simulate actual MIPS hardware platforms. More information on Qemu
  506. can be found at http://www.linux-mips.org/wiki/Qemu.
  507. config MARKEINS
  508. bool "Support for NEC EMMA2RH Mark-eins"
  509. select DMA_NONCOHERENT
  510. select HW_HAS_PCI
  511. select IRQ_CPU
  512. select SWAP_IO_SPACE
  513. select SYS_SUPPORTS_32BIT_KERNEL
  514. select SYS_SUPPORTS_BIG_ENDIAN
  515. select SYS_SUPPORTS_LITTLE_ENDIAN
  516. select SYS_HAS_CPU_R5000
  517. help
  518. This enables support for the R5432-based NEC Mark-eins
  519. boards with R5500 CPU.
  520. config SGI_IP22
  521. bool "SGI IP22 (Indy/Indigo2)"
  522. select ARC
  523. select ARC32
  524. select BOOT_ELF32
  525. select DMA_NONCOHERENT
  526. select HW_HAS_EISA
  527. select IP22_CPU_SCACHE
  528. select IRQ_CPU
  529. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  530. select SWAP_IO_SPACE
  531. select SYS_HAS_CPU_R4X00
  532. select SYS_HAS_CPU_R5000
  533. select SYS_HAS_EARLY_PRINTK
  534. select SYS_SUPPORTS_32BIT_KERNEL
  535. select SYS_SUPPORTS_64BIT_KERNEL
  536. select SYS_SUPPORTS_BIG_ENDIAN
  537. help
  538. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  539. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  540. that runs on these, say Y here.
  541. config SGI_IP27
  542. bool "SGI IP27 (Origin200/2000)"
  543. select ARC
  544. select ARC64
  545. select BOOT_ELF64
  546. select DMA_IP27
  547. select SYS_HAS_EARLY_PRINTK
  548. select HW_HAS_PCI
  549. select NR_CPUS_DEFAULT_64
  550. select PCI_DOMAINS
  551. select SYS_HAS_CPU_R10000
  552. select SYS_SUPPORTS_64BIT_KERNEL
  553. select SYS_SUPPORTS_BIG_ENDIAN
  554. select SYS_SUPPORTS_KGDB
  555. select SYS_SUPPORTS_NUMA
  556. select SYS_SUPPORTS_SMP
  557. select GENERIC_HARDIRQS_NO__DO_IRQ
  558. help
  559. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  560. workstations. To compile a Linux kernel that runs on these, say Y
  561. here.
  562. config SGI_IP32
  563. bool "SGI IP32 (O2) (EXPERIMENTAL)"
  564. depends on EXPERIMENTAL
  565. select ARC
  566. select ARC32
  567. select BOOT_ELF32
  568. select DMA_NONCOHERENT
  569. select HW_HAS_PCI
  570. select R5000_CPU_SCACHE
  571. select RM7000_CPU_SCACHE
  572. select SYS_HAS_CPU_R5000
  573. select SYS_HAS_CPU_R10000 if BROKEN
  574. select SYS_HAS_CPU_RM7000
  575. select SYS_HAS_CPU_NEVADA
  576. select SYS_SUPPORTS_64BIT_KERNEL
  577. select SYS_SUPPORTS_BIG_ENDIAN
  578. help
  579. If you want this kernel to run on SGI O2 workstation, say Y here.
  580. config SIBYTE_BIGSUR
  581. bool "Sibyte BCM91480B-BigSur"
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select NR_CPUS_DEFAULT_4
  585. select PCI_DOMAINS
  586. select SIBYTE_BCM1x80
  587. select SWAP_IO_SPACE
  588. select SYS_HAS_CPU_SB1
  589. select SYS_SUPPORTS_BIG_ENDIAN
  590. select SYS_SUPPORTS_LITTLE_ENDIAN
  591. config SIBYTE_SWARM
  592. bool "Sibyte BCM91250A-SWARM"
  593. select BOOT_ELF32
  594. select DMA_COHERENT
  595. select NR_CPUS_DEFAULT_2
  596. select SIBYTE_SB1250
  597. select SWAP_IO_SPACE
  598. select SYS_HAS_CPU_SB1
  599. select SYS_SUPPORTS_BIG_ENDIAN
  600. select SYS_SUPPORTS_HIGHMEM
  601. select SYS_SUPPORTS_KGDB
  602. select SYS_SUPPORTS_LITTLE_ENDIAN
  603. config SIBYTE_SENTOSA
  604. bool "Sibyte BCM91250E-Sentosa"
  605. depends on EXPERIMENTAL
  606. select BOOT_ELF32
  607. select DMA_COHERENT
  608. select NR_CPUS_DEFAULT_2
  609. select SIBYTE_SB1250
  610. select SWAP_IO_SPACE
  611. select SYS_HAS_CPU_SB1
  612. select SYS_SUPPORTS_BIG_ENDIAN
  613. select SYS_SUPPORTS_LITTLE_ENDIAN
  614. config SIBYTE_RHONE
  615. bool "Sibyte BCM91125E-Rhone"
  616. depends on EXPERIMENTAL
  617. select BOOT_ELF32
  618. select DMA_COHERENT
  619. select SIBYTE_BCM1125H
  620. select SWAP_IO_SPACE
  621. select SYS_HAS_CPU_SB1
  622. select SYS_SUPPORTS_BIG_ENDIAN
  623. select SYS_SUPPORTS_LITTLE_ENDIAN
  624. config SIBYTE_CARMEL
  625. bool "Sibyte BCM91120x-Carmel"
  626. depends on EXPERIMENTAL
  627. select BOOT_ELF32
  628. select DMA_COHERENT
  629. select SIBYTE_BCM1120
  630. select SWAP_IO_SPACE
  631. select SYS_HAS_CPU_SB1
  632. select SYS_SUPPORTS_BIG_ENDIAN
  633. select SYS_SUPPORTS_LITTLE_ENDIAN
  634. config SIBYTE_PTSWARM
  635. bool "Sibyte BCM91250PT-PTSWARM"
  636. depends on EXPERIMENTAL
  637. select BOOT_ELF32
  638. select DMA_COHERENT
  639. select NR_CPUS_DEFAULT_2
  640. select SIBYTE_SB1250
  641. select SWAP_IO_SPACE
  642. select SYS_HAS_CPU_SB1
  643. select SYS_SUPPORTS_BIG_ENDIAN
  644. select SYS_SUPPORTS_HIGHMEM
  645. select SYS_SUPPORTS_LITTLE_ENDIAN
  646. config SIBYTE_LITTLESUR
  647. bool "Sibyte BCM91250C2-LittleSur"
  648. depends on EXPERIMENTAL
  649. select BOOT_ELF32
  650. select DMA_COHERENT
  651. select NR_CPUS_DEFAULT_2
  652. select SIBYTE_SB1250
  653. select SWAP_IO_SPACE
  654. select SYS_HAS_CPU_SB1
  655. select SYS_SUPPORTS_BIG_ENDIAN
  656. select SYS_SUPPORTS_HIGHMEM
  657. select SYS_SUPPORTS_LITTLE_ENDIAN
  658. config SIBYTE_CRHINE
  659. bool "Sibyte BCM91120C-CRhine"
  660. depends on EXPERIMENTAL
  661. select BOOT_ELF32
  662. select DMA_COHERENT
  663. select SIBYTE_BCM1120
  664. select SWAP_IO_SPACE
  665. select SYS_HAS_CPU_SB1
  666. select SYS_SUPPORTS_BIG_ENDIAN
  667. select SYS_SUPPORTS_LITTLE_ENDIAN
  668. config SIBYTE_CRHONE
  669. bool "Sibyte BCM91125C-CRhone"
  670. depends on EXPERIMENTAL
  671. select BOOT_ELF32
  672. select DMA_COHERENT
  673. select SIBYTE_BCM1125
  674. select SWAP_IO_SPACE
  675. select SYS_HAS_CPU_SB1
  676. select SYS_SUPPORTS_BIG_ENDIAN
  677. select SYS_SUPPORTS_HIGHMEM
  678. select SYS_SUPPORTS_LITTLE_ENDIAN
  679. config SNI_RM
  680. bool "SNI RM200/300/400"
  681. select ARC if CPU_LITTLE_ENDIAN
  682. select ARC32 if CPU_LITTLE_ENDIAN
  683. select ARCH_MAY_HAVE_PC_FDC
  684. select BOOT_ELF32
  685. select DMA_NONCOHERENT
  686. select GENERIC_ISA_DMA
  687. select HW_HAS_EISA
  688. select HW_HAS_PCI
  689. select IRQ_CPU
  690. select I8253
  691. select I8259
  692. select ISA
  693. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  694. select SYS_HAS_CPU_R4X00
  695. select SYS_HAS_CPU_R5000
  696. select SYS_HAS_CPU_R10000
  697. select R5000_CPU_SCACHE
  698. select SYS_HAS_EARLY_PRINTK
  699. select SYS_SUPPORTS_32BIT_KERNEL
  700. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  701. select SYS_SUPPORTS_BIG_ENDIAN
  702. select SYS_SUPPORTS_HIGHMEM
  703. select SYS_SUPPORTS_LITTLE_ENDIAN
  704. help
  705. The SNI RM200/300/400 are MIPS-based machines manufactured by
  706. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  707. Technology and now in turn merged with Fujitsu. Say Y here to
  708. support this machine type.
  709. config TOSHIBA_JMR3927
  710. bool "Toshiba JMR-TX3927 board"
  711. select DMA_NONCOHERENT
  712. select HW_HAS_PCI
  713. select MIPS_TX3927
  714. select SWAP_IO_SPACE
  715. select SYS_HAS_CPU_TX39XX
  716. select SYS_SUPPORTS_32BIT_KERNEL
  717. select SYS_SUPPORTS_LITTLE_ENDIAN
  718. select SYS_SUPPORTS_BIG_ENDIAN
  719. select TOSHIBA_BOARDS
  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 ISA
  727. select SWAP_IO_SPACE
  728. select SYS_HAS_CPU_TX49XX
  729. select SYS_SUPPORTS_32BIT_KERNEL
  730. select SYS_SUPPORTS_64BIT_KERNEL
  731. select SYS_SUPPORTS_LITTLE_ENDIAN
  732. select SYS_SUPPORTS_BIG_ENDIAN
  733. select SYS_SUPPORTS_KGDB
  734. select TOSHIBA_BOARDS
  735. select GENERIC_HARDIRQS_NO__DO_IRQ
  736. help
  737. This Toshiba board is based on the TX4927 processor. Say Y here to
  738. support this machine type
  739. config TOSHIBA_RBTX4938
  740. bool "Toshiba RBTX4938 board"
  741. select HAVE_STD_PC_SERIAL_PORT
  742. select DMA_NONCOHERENT
  743. select GENERIC_ISA_DMA
  744. select HAS_TXX9_SERIAL
  745. select HW_HAS_PCI
  746. select I8259
  747. select ISA
  748. select SWAP_IO_SPACE
  749. select SYS_HAS_CPU_TX49XX
  750. select SYS_SUPPORTS_32BIT_KERNEL
  751. select SYS_SUPPORTS_LITTLE_ENDIAN
  752. select SYS_SUPPORTS_BIG_ENDIAN
  753. select SYS_SUPPORTS_KGDB
  754. select TOSHIBA_BOARDS
  755. select GENERIC_HARDIRQS_NO__DO_IRQ
  756. help
  757. This Toshiba board is based on the TX4938 processor. Say Y here to
  758. support this machine type
  759. endchoice
  760. source "arch/mips/ddb5xxx/Kconfig"
  761. source "arch/mips/gt64120/ev64120/Kconfig"
  762. source "arch/mips/jazz/Kconfig"
  763. source "arch/mips/lasat/Kconfig"
  764. source "arch/mips/momentum/Kconfig"
  765. source "arch/mips/pmc-sierra/Kconfig"
  766. source "arch/mips/sgi-ip27/Kconfig"
  767. source "arch/mips/sibyte/Kconfig"
  768. source "arch/mips/tx4927/Kconfig"
  769. source "arch/mips/tx4938/Kconfig"
  770. source "arch/mips/vr41xx/Kconfig"
  771. source "arch/mips/philips/pnx8550/common/Kconfig"
  772. endmenu
  773. config RWSEM_GENERIC_SPINLOCK
  774. bool
  775. default y
  776. config RWSEM_XCHGADD_ALGORITHM
  777. bool
  778. config ARCH_HAS_ILOG2_U32
  779. bool
  780. default n
  781. config ARCH_HAS_ILOG2_U64
  782. bool
  783. default n
  784. config GENERIC_FIND_NEXT_BIT
  785. bool
  786. default y
  787. config GENERIC_HWEIGHT
  788. bool
  789. default y
  790. config GENERIC_CALIBRATE_DELAY
  791. bool
  792. default y
  793. config GENERIC_TIME
  794. bool
  795. default y
  796. config SCHED_NO_NO_OMIT_FRAME_POINTER
  797. bool
  798. default y
  799. config GENERIC_HARDIRQS_NO__DO_IRQ
  800. bool
  801. default n
  802. #
  803. # Select some configuration options automatically based on user selections.
  804. #
  805. config ARC
  806. bool
  807. config ARCH_MAY_HAVE_PC_FDC
  808. bool
  809. config DMA_COHERENT
  810. bool
  811. config DMA_IP27
  812. bool
  813. config DMA_IP32
  814. bool
  815. select DMA_NEED_PCI_MAP_STATE
  816. config DMA_NONCOHERENT
  817. bool
  818. select DMA_NEED_PCI_MAP_STATE
  819. config DMA_NEED_PCI_MAP_STATE
  820. bool
  821. config EARLY_PRINTK
  822. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  823. depends on SYS_HAS_EARLY_PRINTK
  824. default y
  825. help
  826. This option enables special console drivers which allow the kernel
  827. to print messages very early in the bootup process.
  828. This is useful for kernel debugging when your machine crashes very
  829. early before the console code is initialized. For normal operation
  830. it is not recommended because it looks on some machines ugly and
  831. oesn't cooperate with an X server. You should normally N here,
  832. unless you want to debug such a crash.
  833. config SYS_HAS_EARLY_PRINTK
  834. bool
  835. config GENERIC_ISA_DMA
  836. bool
  837. config I8259
  838. bool
  839. config LIMITED_DMA
  840. bool
  841. select HIGHMEM
  842. select SYS_SUPPORTS_HIGHMEM
  843. config MIPS_BONITO64
  844. bool
  845. config MIPS_MSC
  846. bool
  847. config MIPS_NILE4
  848. bool
  849. config MIPS_DISABLE_OBSOLETE_IDE
  850. bool
  851. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  852. bool
  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 MIPS_GT64111
  894. bool
  895. config MIPS_GT64120
  896. bool
  897. config MIPS_TX3927
  898. bool
  899. select HAS_TXX9_SERIAL
  900. config MIPS_RM9122
  901. bool
  902. select SERIAL_RM9000
  903. select GPI_RM9000
  904. select WDT_RM9000
  905. config PCI_MARVELL
  906. bool
  907. config SOC_AU1000
  908. bool
  909. select SOC_AU1X00
  910. config SOC_AU1100
  911. bool
  912. select SOC_AU1X00
  913. config SOC_AU1500
  914. bool
  915. select SOC_AU1X00
  916. config SOC_AU1550
  917. bool
  918. select SOC_AU1X00
  919. config SOC_AU1200
  920. bool
  921. select SOC_AU1X00
  922. config SOC_AU1X00
  923. bool
  924. select SYS_HAS_CPU_MIPS32_R1
  925. select SYS_SUPPORTS_32BIT_KERNEL
  926. select SYS_SUPPORTS_APM_EMULATION
  927. select SYS_SUPPORTS_KGDB
  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 SMP
  1356. select SYS_SUPPORTS_SMP
  1357. help
  1358. This is a kernel model which is also known a VSMP or lately
  1359. has been marketesed into SMVP.
  1360. config MIPS_MT_SMTC
  1361. bool "SMTC: Use all TCs on all VPEs for SMP"
  1362. depends on CPU_MIPS32_R2
  1363. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1364. depends on SYS_SUPPORTS_MULTITHREADING
  1365. select CPU_MIPSR2_IRQ_VI
  1366. select CPU_MIPSR2_SRS
  1367. select MIPS_MT
  1368. select NR_CPUS_DEFAULT_2
  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
  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_2
  1560. bool
  1561. config NR_CPUS_DEFAULT_4
  1562. bool
  1563. config NR_CPUS_DEFAULT_8
  1564. bool
  1565. config NR_CPUS_DEFAULT_16
  1566. bool
  1567. config NR_CPUS_DEFAULT_32
  1568. bool
  1569. config NR_CPUS_DEFAULT_64
  1570. bool
  1571. config NR_CPUS
  1572. int "Maximum number of CPUs (2-64)"
  1573. range 2 64
  1574. depends on SMP
  1575. default "2" if NR_CPUS_DEFAULT_2
  1576. default "4" if NR_CPUS_DEFAULT_4
  1577. default "8" if NR_CPUS_DEFAULT_8
  1578. default "16" if NR_CPUS_DEFAULT_16
  1579. default "32" if NR_CPUS_DEFAULT_32
  1580. default "64" if NR_CPUS_DEFAULT_64
  1581. help
  1582. This allows you to specify the maximum number of CPUs which this
  1583. kernel will support. The maximum supported value is 32 for 32-bit
  1584. kernel and 64 for 64-bit kernels; the minimum value which makes
  1585. sense is 2.
  1586. This is purely to save memory - each supported CPU adds
  1587. approximately eight kilobytes to the kernel image.
  1588. #
  1589. # Timer Interrupt Frequency Configuration
  1590. #
  1591. choice
  1592. prompt "Timer frequency"
  1593. default HZ_250
  1594. help
  1595. Allows the configuration of the timer frequency.
  1596. config HZ_48
  1597. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1598. config HZ_100
  1599. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1600. config HZ_128
  1601. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1602. config HZ_250
  1603. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1604. config HZ_256
  1605. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1606. config HZ_1000
  1607. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1608. config HZ_1024
  1609. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1610. endchoice
  1611. config SYS_SUPPORTS_48HZ
  1612. bool
  1613. config SYS_SUPPORTS_100HZ
  1614. bool
  1615. config SYS_SUPPORTS_128HZ
  1616. bool
  1617. config SYS_SUPPORTS_250HZ
  1618. bool
  1619. config SYS_SUPPORTS_256HZ
  1620. bool
  1621. config SYS_SUPPORTS_1000HZ
  1622. bool
  1623. config SYS_SUPPORTS_1024HZ
  1624. bool
  1625. config SYS_SUPPORTS_ARBIT_HZ
  1626. bool
  1627. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1628. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1629. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1630. !SYS_SUPPORTS_1024HZ
  1631. config HZ
  1632. int
  1633. default 48 if HZ_48
  1634. default 100 if HZ_100
  1635. default 128 if HZ_128
  1636. default 250 if HZ_250
  1637. default 256 if HZ_256
  1638. default 1000 if HZ_1000
  1639. default 1024 if HZ_1024
  1640. source "kernel/Kconfig.preempt"
  1641. config MIPS_INSANE_LARGE
  1642. bool "Support for large 64-bit configurations"
  1643. depends on CPU_R10000 && 64BIT
  1644. help
  1645. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1646. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1647. need processes of more than 1TB virtual address space, say Y here.
  1648. This will result in additional memory usage, so it is not
  1649. recommended for normal users.
  1650. config KEXEC
  1651. bool "Kexec system call (EXPERIMENTAL)"
  1652. depends on EXPERIMENTAL
  1653. help
  1654. kexec is a system call that implements the ability to shutdown your
  1655. current kernel, and to start another kernel. It is like a reboot
  1656. but it is indepedent of the system firmware. And like a reboot
  1657. you can start any kernel with it, not just Linux.
  1658. The name comes from the similiarity to the exec system call.
  1659. It is an ongoing process to be certain the hardware in a machine
  1660. is properly shutdown, so do not be surprised if this code does not
  1661. initially work for you. It may help to enable device hotplugging
  1662. support. As of this writing the exact hardware interface is
  1663. strongly in flux, so no good recommendation can be made.
  1664. config SECCOMP
  1665. bool "Enable seccomp to safely compute untrusted bytecode"
  1666. depends on PROC_FS && BROKEN
  1667. default y
  1668. help
  1669. This kernel feature is useful for number crunching applications
  1670. that may need to compute untrusted bytecode during their
  1671. execution. By using pipes or other transports made available to
  1672. the process as file descriptors supporting the read/write
  1673. syscalls, it's possible to isolate those applications in
  1674. their own address space using seccomp. Once seccomp is
  1675. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1676. and the task is only allowed to execute a few safe syscalls
  1677. defined by each seccomp mode.
  1678. If unsure, say Y. Only embedded should say N here.
  1679. endmenu
  1680. config RWSEM_GENERIC_SPINLOCK
  1681. bool
  1682. default y
  1683. config LOCKDEP_SUPPORT
  1684. bool
  1685. default y
  1686. config STACKTRACE_SUPPORT
  1687. bool
  1688. default y
  1689. source "init/Kconfig"
  1690. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1691. config HW_HAS_EISA
  1692. bool
  1693. config HW_HAS_PCI
  1694. bool
  1695. config PCI
  1696. bool "Support for PCI controller"
  1697. depends on HW_HAS_PCI
  1698. help
  1699. Find out whether you have a PCI motherboard. PCI is the name of a
  1700. bus system, i.e. the way the CPU talks to the other stuff inside
  1701. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1702. say Y, otherwise N.
  1703. The PCI-HOWTO, available from
  1704. <http://www.tldp.org/docs.html#howto>, contains valuable
  1705. information about which PCI hardware does work under Linux and which
  1706. doesn't.
  1707. config PCI_DOMAINS
  1708. bool
  1709. depends on PCI
  1710. source "drivers/pci/Kconfig"
  1711. #
  1712. # ISA support is now enabled via select. Too many systems still have the one
  1713. # or other ISA chip on the board that users don't know about so don't expect
  1714. # users to choose the right thing ...
  1715. #
  1716. config ISA
  1717. bool
  1718. config EISA
  1719. bool "EISA support"
  1720. depends on HW_HAS_EISA
  1721. select ISA
  1722. select GENERIC_ISA_DMA
  1723. ---help---
  1724. The Extended Industry Standard Architecture (EISA) bus was
  1725. developed as an open alternative to the IBM MicroChannel bus.
  1726. The EISA bus provided some of the features of the IBM MicroChannel
  1727. bus while maintaining backward compatibility with cards made for
  1728. the older ISA bus. The EISA bus saw limited use between 1988 and
  1729. 1995 when it was made obsolete by the PCI bus.
  1730. Say Y here if you are building a kernel for an EISA-based machine.
  1731. Otherwise, say N.
  1732. source "drivers/eisa/Kconfig"
  1733. config TC
  1734. bool "TURBOchannel support"
  1735. depends on MACH_DECSTATION
  1736. help
  1737. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1738. processors. Documentation on writing device drivers for TurboChannel
  1739. is available at:
  1740. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1741. #config ACCESSBUS
  1742. # bool "Access.Bus support"
  1743. # depends on TC
  1744. config MMU
  1745. bool
  1746. default y
  1747. config I8253
  1748. bool
  1749. source "drivers/pcmcia/Kconfig"
  1750. source "drivers/pci/hotplug/Kconfig"
  1751. endmenu
  1752. menu "Executable file formats"
  1753. source "fs/Kconfig.binfmt"
  1754. config TRAD_SIGNALS
  1755. bool
  1756. config BUILD_ELF64
  1757. bool "Use 64-bit ELF format for building"
  1758. depends on 64BIT
  1759. help
  1760. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1761. format as it's one that allows arbitrary 64-bit constructs. For
  1762. kernels that are loaded within the KSEG compatibility segments the
  1763. 32-bit ELF format can optionally be used resulting in a somewhat
  1764. smaller binary, but this option is not explicitly supported by the
  1765. toolchain and since binutils 2.14 it does not even work at all.
  1766. Say Y to use the 64-bit format or N to use the 32-bit one.
  1767. If unsure say Y.
  1768. config BINFMT_IRIX
  1769. bool "Include IRIX binary compatibility"
  1770. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1771. config MIPS32_COMPAT
  1772. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1773. depends on 64BIT
  1774. help
  1775. Select this option if you want Linux/MIPS 32-bit binary
  1776. compatibility. Since all software available for Linux/MIPS is
  1777. currently 32-bit you should say Y here.
  1778. config COMPAT
  1779. bool
  1780. depends on MIPS32_COMPAT
  1781. default y
  1782. config SYSVIPC_COMPAT
  1783. bool
  1784. depends on COMPAT && SYSVIPC
  1785. default y
  1786. config MIPS32_O32
  1787. bool "Kernel support for o32 binaries"
  1788. depends on MIPS32_COMPAT
  1789. help
  1790. Select this option if you want to run o32 binaries. These are pure
  1791. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1792. existing binaries are in this format.
  1793. If unsure, say Y.
  1794. config MIPS32_N32
  1795. bool "Kernel support for n32 binaries"
  1796. depends on MIPS32_COMPAT
  1797. help
  1798. Select this option if you want to run n32 binaries. These are
  1799. 64-bit binaries using 32-bit quantities for addressing and certain
  1800. data that would normally be 64-bit. They are used in special
  1801. cases.
  1802. If unsure, say N.
  1803. config BINFMT_ELF32
  1804. bool
  1805. default y if MIPS32_O32 || MIPS32_N32
  1806. endmenu
  1807. menu "Power management options"
  1808. source "kernel/power/Kconfig"
  1809. endmenu
  1810. source "net/Kconfig"
  1811. source "drivers/Kconfig"
  1812. source "fs/Kconfig"
  1813. source "arch/mips/oprofile/Kconfig"
  1814. source "arch/mips/Kconfig.debug"
  1815. source "security/Kconfig"
  1816. source "crypto/Kconfig"
  1817. source "lib/Kconfig"