Kconfig 40 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. # shouldn't it be per-subarchitecture?
  7. config ARCH_MAY_HAVE_PC_FDC
  8. bool
  9. default y
  10. mainmenu "Linux/MIPS Kernel Configuration"
  11. source "init/Kconfig"
  12. config SYS_SUPPORTS_32BIT_KERNEL
  13. bool
  14. config SYS_SUPPORTS_64BIT_KERNEL
  15. bool
  16. config CPU_SUPPORTS_32BIT_KERNEL
  17. bool
  18. config CPU_SUPPORTS_64BIT_KERNEL
  19. bool
  20. menu "Kernel type"
  21. choice
  22. prompt "Kernel code model"
  23. help
  24. You should only select this option if you have a workload that
  25. actually benefits from 64-bit processing or if your machine has
  26. large memory. You will only be presented a single option in this
  27. menu if your system does not support both 32-bit and 64-bit kernels.
  28. config 32BIT
  29. bool "32-bit kernel"
  30. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  31. select TRAD_SIGNALS
  32. help
  33. Select this option if you want to build a 32-bit kernel.
  34. config 64BIT
  35. bool "64-bit kernel"
  36. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  37. help
  38. Select this option if you want to build a 64-bit kernel.
  39. endchoice
  40. endmenu
  41. menu "Machine selection"
  42. config MACH_JAZZ
  43. bool "Support for the Jazz family of machines"
  44. select ARC
  45. select ARC32
  46. select GENERIC_ISA_DMA
  47. select I8259
  48. select ISA
  49. select SYS_SUPPORTS_32BIT_KERNEL
  50. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  51. help
  52. This a family of machines based on the MIPS R4030 chipset which was
  53. used by several vendors to build RISC/os and Windows NT workstations.
  54. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  55. Olivetti M700-10 workstations.
  56. config ACER_PICA_61
  57. bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
  58. depends on MACH_JAZZ && EXPERIMENTAL
  59. select DMA_NONCOHERENT
  60. help
  61. This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
  62. kernel that runs on these, say Y here. For details about Linux on
  63. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  64. <http://www.linux-mips.org/>.
  65. config MIPS_MAGNUM_4000
  66. bool "Support for MIPS Magnum 4000"
  67. depends on MACH_JAZZ
  68. select DMA_NONCOHERENT
  69. help
  70. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  71. kernel that runs on these, say Y here. For details about Linux on
  72. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  73. <http://www.linux-mips.org/>.
  74. config OLIVETTI_M700
  75. bool "Support for Olivetti M700-10"
  76. depends on MACH_JAZZ
  77. select DMA_NONCOHERENT
  78. help
  79. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  80. kernel that runs on these, say Y here. For details about Linux on
  81. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  82. <http://www.linux-mips.org/>.
  83. config MACH_VR41XX
  84. bool "Support for NEC VR4100 series based machines"
  85. select SYS_SUPPORTS_32BIT_KERNEL
  86. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  87. config NEC_CMBVR4133
  88. bool "Support for NEC CMB-VR4133"
  89. depends on MACH_VR41XX
  90. select CPU_VR41XX
  91. select DMA_NONCOHERENT
  92. select IRQ_CPU
  93. select HW_HAS_PCI
  94. config ROCKHOPPER
  95. bool "Support for Rockhopper baseboard"
  96. depends on NEC_CMBVR4133
  97. select I8259
  98. select HAVE_STD_PC_SERIAL_PORT
  99. config CASIO_E55
  100. bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
  101. depends on MACH_VR41XX
  102. select CPU_LITTLE_ENDIAN
  103. select DMA_NONCOHERENT
  104. select IRQ_CPU
  105. select ISA
  106. config IBM_WORKPAD
  107. bool "Support for IBM WorkPad z50"
  108. depends on MACH_VR41XX
  109. select CPU_LITTLE_ENDIAN
  110. select DMA_NONCOHERENT
  111. select IRQ_CPU
  112. select ISA
  113. config TANBAC_TB022X
  114. bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
  115. depends on MACH_VR41XX
  116. select CPU_LITTLE_ENDIAN
  117. select DMA_NONCOHERENT
  118. select IRQ_CPU
  119. select HW_HAS_PCI
  120. help
  121. The TANBAC VR4131 multichip module(TB0225) and
  122. the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
  123. manufactured by TANBAC.
  124. Please refer to <http://www.tanbac.co.jp/>
  125. about VR4131 multichip module and VR4131DIMM.
  126. config TANBAC_TB0226
  127. bool "Support for TANBAC Mbase(TB0226)"
  128. depends on TANBAC_TB022X
  129. select GPIO_VR41XX
  130. help
  131. The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
  132. Please refer to <http://www.tanbac.co.jp/> about Mbase.
  133. config TANBAC_TB0287
  134. bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
  135. depends on TANBAC_TB022X
  136. help
  137. The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
  138. Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
  139. config VICTOR_MPC30X
  140. bool "Support for Victor MP-C303/304"
  141. depends on MACH_VR41XX
  142. select CPU_LITTLE_ENDIAN
  143. select DMA_NONCOHERENT
  144. select IRQ_CPU
  145. select HW_HAS_PCI
  146. config ZAO_CAPCELLA
  147. bool "Support for ZAO Networks Capcella"
  148. depends on MACH_VR41XX
  149. select CPU_LITTLE_ENDIAN
  150. select DMA_NONCOHERENT
  151. select IRQ_CPU
  152. select HW_HAS_PCI
  153. config PCI_VR41XX
  154. bool "Add PCI control unit support of NEC VR4100 series"
  155. depends on MACH_VR41XX && HW_HAS_PCI
  156. default y
  157. select PCI
  158. config VRC4173
  159. tristate "Add NEC VRC4173 companion chip support"
  160. depends on MACH_VR41XX && PCI_VR41XX
  161. ---help---
  162. The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
  163. config TOSHIBA_JMR3927
  164. bool "Support for Toshiba JMR-TX3927 board"
  165. select DMA_NONCOHERENT
  166. select HW_HAS_PCI
  167. select SWAP_IO_SPACE
  168. select SYS_SUPPORTS_32BIT_KERNEL
  169. config MIPS_COBALT
  170. bool "Support for Cobalt Server"
  171. depends on EXPERIMENTAL
  172. select DMA_NONCOHERENT
  173. select HW_HAS_PCI
  174. select I8259
  175. select IRQ_CPU
  176. select SYS_SUPPORTS_32BIT_KERNEL
  177. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  178. config MACH_DECSTATION
  179. bool "Support for DECstations"
  180. select BOOT_ELF32
  181. select DMA_NONCOHERENT
  182. select EARLY_PRINTK
  183. select IRQ_CPU
  184. select SYS_SUPPORTS_32BIT_KERNEL
  185. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  186. ---help---
  187. This enables support for DEC's MIPS based workstations. For details
  188. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  189. DECstation porting pages on <http://decstation.unix-ag.org/>.
  190. If you have one of the following DECstation Models you definitely
  191. want to choose R4xx0 for the CPU Type:
  192. DECstation 5000/50
  193. DECstation 5000/150
  194. DECstation 5000/260
  195. DECsystem 5900/260
  196. otherwise choose R3000.
  197. config MIPS_EV64120
  198. bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  199. depends on EXPERIMENTAL
  200. select DMA_NONCOHERENT
  201. select HW_HAS_PCI
  202. select MIPS_GT64120
  203. select SYS_SUPPORTS_32BIT_KERNEL
  204. select SYS_SUPPORTS_64BIT_KERNEL
  205. help
  206. This is an evaluation board based on the Galileo GT-64120
  207. single-chip system controller that contains a MIPS R5000 compatible
  208. core running at 75/100MHz. Their website is located at
  209. <http://www.marvell.com/>. Say Y here if you wish to build a
  210. kernel for this platform.
  211. config EVB_PCI1
  212. bool "Enable Second PCI (PCI1)"
  213. depends on MIPS_EV64120
  214. config MIPS_EV96100
  215. bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
  216. depends on EXPERIMENTAL
  217. select DMA_NONCOHERENT
  218. select HW_HAS_PCI
  219. select IRQ_CPU
  220. select MIPS_GT96100
  221. select RM7000_CPU_SCACHE
  222. select SWAP_IO_SPACE
  223. select SYS_SUPPORTS_32BIT_KERNEL
  224. select SYS_SUPPORTS_64BIT_KERNEL
  225. help
  226. This is an evaluation board based on the Galileo GT-96100 LAN/WAN
  227. communications controllers containing a MIPS R5000 compatible core
  228. running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
  229. here if you wish to build a kernel for this platform.
  230. config MIPS_IVR
  231. bool "Support for Globespan IVR board"
  232. select DMA_NONCOHERENT
  233. select HW_HAS_PCI
  234. select SYS_SUPPORTS_32BIT_KERNEL
  235. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  236. help
  237. This is an evaluation board built by Globespan to showcase thir
  238. iVR (Internet Video Recorder) design. It utilizes a QED RM5231
  239. R5000 MIPS core. More information can be found out their website
  240. located at <http://www.globespan.net/>. Say Y here if you wish to
  241. build a kernel for this platform.
  242. config LASAT
  243. bool "Support for LASAT Networks platforms"
  244. select DMA_NONCOHERENT
  245. select HW_HAS_PCI
  246. select MIPS_GT64120
  247. select R5000_CPU_SCACHE
  248. select SYS_SUPPORTS_32BIT_KERNEL
  249. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  250. config PICVUE
  251. tristate "PICVUE LCD display driver"
  252. depends on LASAT
  253. config PICVUE_PROC
  254. tristate "PICVUE LCD display driver /proc interface"
  255. depends on PICVUE
  256. config DS1603
  257. bool "DS1603 RTC driver"
  258. depends on LASAT
  259. config LASAT_SYSCTL
  260. bool "LASAT sysctl interface"
  261. depends on LASAT
  262. config MIPS_ITE8172
  263. bool "Support for ITE 8172G board"
  264. select DMA_NONCOHERENT
  265. select HW_HAS_PCI
  266. select SYS_SUPPORTS_32BIT_KERNEL
  267. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  268. help
  269. Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
  270. with ATX form factor that utilizes a MIPS R5000 to work with its
  271. ITE8172G companion internet appliance chip. The MIPS core can be
  272. either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
  273. a kernel for this platform.
  274. config IT8172_REVC
  275. bool "Support for older IT8172 (Rev C)"
  276. depends on MIPS_ITE8172
  277. help
  278. Say Y here to support the older, Revision C version of the Integrated
  279. Technology Express, Inc. ITE8172 SBC. Vendor page at
  280. <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
  281. board at <http://www.mvista.com/partners/semiconductor/ite.html>.
  282. config MIPS_ATLAS
  283. bool "Support for MIPS Atlas board"
  284. select BOOT_ELF32
  285. select DMA_NONCOHERENT
  286. select HW_HAS_PCI
  287. select MIPS_GT64120
  288. select RM7000_CPU_SCACHE
  289. select SWAP_IO_SPACE
  290. select SYS_SUPPORTS_32BIT_KERNEL
  291. select SYS_SUPPORTS_64BIT_KERNEL
  292. help
  293. This enables support for the MIPS Technologies Atlas evaluation
  294. board.
  295. config MIPS_MALTA
  296. bool "Support for MIPS Malta board"
  297. select BOOT_ELF32
  298. select HAVE_STD_PC_SERIAL_PORT
  299. select DMA_NONCOHERENT
  300. select GENERIC_ISA_DMA
  301. select HW_HAS_PCI
  302. select I8259
  303. select MIPS_GT64120
  304. select SWAP_IO_SPACE
  305. select SYS_SUPPORTS_32BIT_KERNEL
  306. select SYS_SUPPORTS_64BIT_KERNEL
  307. help
  308. This enables support for the MIPS Technologies Malta evaluation
  309. board.
  310. config MIPS_SEAD
  311. bool "Support for MIPS SEAD board (EXPERIMENTAL)"
  312. depends on EXPERIMENTAL
  313. select IRQ_CPU
  314. select DMA_NONCOHERENT
  315. select SYS_SUPPORTS_32BIT_KERNEL
  316. select SYS_SUPPORTS_64BIT_KERNEL
  317. help
  318. This enables support for the MIPS Technologies SEAD evaluation
  319. board.
  320. config MOMENCO_OCELOT
  321. bool "Support for Momentum Ocelot board"
  322. select DMA_NONCOHERENT
  323. select HW_HAS_PCI
  324. select IRQ_CPU
  325. select IRQ_CPU_RM7K
  326. select MIPS_GT64120
  327. select RM7000_CPU_SCACHE
  328. select SWAP_IO_SPACE
  329. select SYS_SUPPORTS_32BIT_KERNEL
  330. select SYS_SUPPORTS_64BIT_KERNEL
  331. help
  332. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  333. Momentum Computer <http://www.momenco.com/>.
  334. config MOMENCO_OCELOT_G
  335. bool "Support for Momentum Ocelot-G board"
  336. select DMA_NONCOHERENT
  337. select HW_HAS_PCI
  338. select IRQ_CPU
  339. select IRQ_CPU_RM7K
  340. select PCI_MARVELL
  341. select RM7000_CPU_SCACHE
  342. select SWAP_IO_SPACE
  343. select SYS_SUPPORTS_32BIT_KERNEL
  344. select SYS_SUPPORTS_64BIT_KERNEL
  345. help
  346. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  347. Momentum Computer <http://www.momenco.com/>.
  348. config MOMENCO_OCELOT_C
  349. bool "Support for Momentum Ocelot-C board"
  350. select DMA_NONCOHERENT
  351. select HW_HAS_PCI
  352. select IRQ_CPU
  353. select IRQ_MV64340
  354. select PCI_MARVELL
  355. select RM7000_CPU_SCACHE
  356. select SWAP_IO_SPACE
  357. select SYS_SUPPORTS_32BIT_KERNEL
  358. select SYS_SUPPORTS_64BIT_KERNEL
  359. help
  360. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  361. Momentum Computer <http://www.momenco.com/>.
  362. config MOMENCO_OCELOT_3
  363. bool "Support for Momentum Ocelot-3 board"
  364. select BOOT_ELF32
  365. select DMA_NONCOHERENT
  366. select HW_HAS_PCI
  367. select IRQ_CPU
  368. select IRQ_CPU_RM7K
  369. select IRQ_MV64340
  370. select PCI_MARVELL
  371. select RM7000_CPU_SCACHE
  372. select SWAP_IO_SPACE
  373. select SYS_SUPPORTS_32BIT_KERNEL
  374. select SYS_SUPPORTS_64BIT_KERNEL
  375. help
  376. The Ocelot-3 is based off Discovery III System Controller and
  377. PMC-Sierra Rm79000 core.
  378. config MOMENCO_JAGUAR_ATX
  379. bool "Support for Momentum Jaguar 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 LIMITED_DMA
  387. select PCI_MARVELL
  388. select RM7000_CPU_SCACHE
  389. select SWAP_IO_SPACE
  390. select SYS_SUPPORTS_32BIT_KERNEL
  391. select SYS_SUPPORTS_64BIT_KERNEL
  392. help
  393. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  394. Momentum Computer <http://www.momenco.com/>.
  395. config JAGUAR_DMALOW
  396. bool "Low DMA Mode"
  397. depends on MOMENCO_JAGUAR_ATX
  398. help
  399. Select to Y if jump JP5 is set on your board, N otherwise. Normally
  400. the jumper is set, so if you feel unsafe, just say Y.
  401. config PMC_YOSEMITE
  402. bool "Support for PMC-Sierra Yosemite eval board"
  403. select DMA_COHERENT
  404. select HW_HAS_PCI
  405. select IRQ_CPU
  406. select IRQ_CPU_RM7K
  407. select IRQ_CPU_RM9K
  408. select SWAP_IO_SPACE
  409. select SYS_SUPPORTS_32BIT_KERNEL
  410. select SYS_SUPPORTS_64BIT_KERNEL
  411. help
  412. Yosemite is an evaluation board for the RM9000x2 processor
  413. manufactured by PMC-Sierra
  414. config HYPERTRANSPORT
  415. bool "Hypertransport Support for PMC-Sierra Yosemite"
  416. depends on PMC_YOSEMITE
  417. config DDB5074
  418. bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
  419. depends on EXPERIMENTAL
  420. select DMA_NONCOHERENT
  421. select HAVE_STD_PC_SERIAL_PORT
  422. select HW_HAS_PCI
  423. select IRQ_CPU
  424. select I8259
  425. select ISA
  426. select SYS_SUPPORTS_32BIT_KERNEL
  427. select SYS_SUPPORTS_64BIT_KERNEL
  428. help
  429. This enables support for the VR5000-based NEC DDB Vrc-5074
  430. evaluation board.
  431. config DDB5476
  432. bool "Support for NEC DDB Vrc-5476"
  433. select DMA_NONCOHERENT
  434. select HAVE_STD_PC_SERIAL_PORT
  435. select HW_HAS_PCI
  436. select IRQ_CPU
  437. select I8259
  438. select ISA
  439. select SYS_SUPPORTS_32BIT_KERNEL
  440. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  441. help
  442. This enables support for the R5432-based NEC DDB Vrc-5476
  443. evaluation board.
  444. Features : kernel debugging, serial terminal, NFS root fs, on-board
  445. ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
  446. IDE controller, PS2 keyboard, PS2 mouse, etc.
  447. config DDB5477
  448. bool "Support for NEC DDB Vrc-5477"
  449. select DMA_NONCOHERENT
  450. select HW_HAS_PCI
  451. select I8259
  452. select IRQ_CPU
  453. select SYS_SUPPORTS_32BIT_KERNEL
  454. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  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 DDB5477_BUS_FREQUENCY
  461. int "bus frequency (in kHZ, 0 for auto-detect)"
  462. depends on DDB5477
  463. default 0
  464. config QEMU
  465. bool "Support for Qemu"
  466. select DMA_COHERENT
  467. select GENERIC_ISA_DMA
  468. select HAVE_STD_PC_SERIAL_PORT
  469. select I8259
  470. select ISA
  471. select SWAP_IO_SPACE
  472. select SYS_SUPPORTS_32BIT_KERNEL
  473. select SYS_SUPPORTS_BIG_ENDIAN
  474. help
  475. Qemu is a software emulator which among other architectures also
  476. can simulate a MIPS32 4Kc system. This patch adds support for the
  477. system architecture that currently is being simulated by Qemu. It
  478. will eventually be removed again when Qemu has the capability to
  479. simulate actual MIPS hardware platforms. More information on Qemu
  480. can be found at http://www.linux-mips.org/wiki/Qemu.
  481. config SGI_IP22
  482. bool "Support for SGI IP22 (Indy/Indigo2)"
  483. select ARC
  484. select ARC32
  485. select BOOT_ELF32
  486. select DMA_NONCOHERENT
  487. select IP22_CPU_SCACHE
  488. select IRQ_CPU
  489. select SWAP_IO_SPACE
  490. select SYS_SUPPORTS_32BIT_KERNEL
  491. select SYS_SUPPORTS_64BIT_KERNEL
  492. help
  493. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  494. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  495. that runs on these, say Y here.
  496. config SGI_IP27
  497. bool "Support for SGI IP27 (Origin200/2000)"
  498. select ARC
  499. select ARC64
  500. select DMA_IP27
  501. select HW_HAS_PCI
  502. select PCI_DOMAINS
  503. select SYS_SUPPORTS_64BIT_KERNEL
  504. help
  505. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  506. workstations. To compile a Linux kernel that runs on these, say Y
  507. here.
  508. #config SGI_SN0_XXL
  509. # bool "IP27 XXL"
  510. # depends on SGI_IP27
  511. # This options adds support for userspace processes upto 16TB size.
  512. # Normally the limit is just .5TB.
  513. config SGI_SN0_N_MODE
  514. bool "IP27 N-Mode"
  515. depends on SGI_IP27
  516. help
  517. The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
  518. configured in either N-Modes which allows for more nodes or M-Mode
  519. which allows for more memory. Your system is most probably
  520. running in M-Mode, so you should say N here.
  521. config ARCH_DISCONTIGMEM_ENABLE
  522. bool
  523. default y if SGI_IP27
  524. help
  525. Say Y to upport efficient handling of discontiguous physical memory,
  526. for architectures which are either NUMA (Non-Uniform Memory Access)
  527. or have huge holes in the physical address space for other reasons.
  528. See <file:Documentation/vm/numa> for more.
  529. config NUMA
  530. bool "NUMA Support"
  531. depends on SGI_IP27
  532. help
  533. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  534. Access). This option is for configuring high-end multiprocessor
  535. server machines. If in doubt, say N.
  536. config MAPPED_KERNEL
  537. bool "Mapped kernel support"
  538. depends on SGI_IP27
  539. help
  540. Change the way a Linux kernel is loaded into memory on a MIPS64
  541. machine. This is required in order to support text replication and
  542. NUMA. If you need to understand it, read the source code.
  543. config REPLICATE_KTEXT
  544. bool "Kernel text replication support"
  545. depends on SGI_IP27
  546. help
  547. Say Y here to enable replicating the kernel text across multiple
  548. nodes in a NUMA cluster. This trades memory for speed.
  549. config REPLICATE_EXHANDLERS
  550. bool "Exception handler replication support"
  551. depends on SGI_IP27
  552. help
  553. Say Y here to enable replicating the kernel exception handlers
  554. across multiple nodes in a NUMA cluster. This trades memory for
  555. speed.
  556. config SGI_IP32
  557. bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
  558. depends on EXPERIMENTAL
  559. select ARC
  560. select ARC32
  561. select BOOT_ELF32
  562. select OWN_DMA
  563. select DMA_IP32
  564. select DMA_NONCOHERENT
  565. select HW_HAS_PCI
  566. select R5000_CPU_SCACHE
  567. select RM7000_CPU_SCACHE
  568. select SYS_SUPPORTS_64BIT_KERNEL
  569. help
  570. If you want this kernel to run on SGI O2 workstation, say Y here.
  571. config SOC_AU1X00
  572. bool "Support for AMD/Alchemy Au1X00 SOCs"
  573. select SYS_SUPPORTS_32BIT_KERNEL
  574. choice
  575. prompt "Au1X00 SOC Type"
  576. depends on SOC_AU1X00
  577. help
  578. Say Y here to enable support for one of three AMD/Alchemy
  579. SOCs. For additional documentation see www.amd.com.
  580. config SOC_AU1000
  581. bool "SOC_AU1000"
  582. config SOC_AU1100
  583. bool "SOC_AU1100"
  584. config SOC_AU1500
  585. bool "SOC_AU1500"
  586. config SOC_AU1550
  587. bool "SOC_AU1550"
  588. endchoice
  589. choice
  590. prompt "AMD/Alchemy Au1x00 board support"
  591. depends on SOC_AU1X00
  592. help
  593. These are evaluation boards built by AMD/Alchemy to
  594. showcase their Au1X00 Internet Edge Processors. The SOC design
  595. is based on the MIPS32 architecture running at 266/400/500MHz
  596. with many integrated peripherals. Further information can be
  597. found at their website, <http://www.amd.com/>. Say Y here if you
  598. wish to build a kernel for this platform.
  599. config MIPS_PB1000
  600. bool "PB1000 board"
  601. depends on SOC_AU1000
  602. select DMA_NONCOHERENT
  603. select HW_HAS_PCI
  604. select SWAP_IO_SPACE
  605. config MIPS_PB1100
  606. bool "PB1100 board"
  607. depends on SOC_AU1100
  608. select DMA_NONCOHERENT
  609. select HW_HAS_PCI
  610. select SWAP_IO_SPACE
  611. config MIPS_PB1500
  612. bool "PB1500 board"
  613. depends on SOC_AU1500
  614. select DMA_COHERENT
  615. select HW_HAS_PCI
  616. config MIPS_PB1550
  617. bool "PB1550 board"
  618. depends on SOC_AU1550
  619. select DMA_COHERENT
  620. select HW_HAS_PCI
  621. select MIPS_DISABLE_OBSOLETE_IDE
  622. config MIPS_DB1000
  623. bool "DB1000 board"
  624. depends on SOC_AU1000
  625. select DMA_NONCOHERENT
  626. select HW_HAS_PCI
  627. config MIPS_DB1100
  628. bool "DB1100 board"
  629. depends on SOC_AU1100
  630. select DMA_NONCOHERENT
  631. config MIPS_DB1500
  632. bool "DB1500 board"
  633. depends on SOC_AU1500
  634. select DMA_COHERENT
  635. select HW_HAS_PCI
  636. select MIPS_DISABLE_OBSOLETE_IDE
  637. config MIPS_DB1550
  638. bool "DB1550 board"
  639. depends on SOC_AU1550
  640. select HW_HAS_PCI
  641. select DMA_COHERENT
  642. select MIPS_DISABLE_OBSOLETE_IDE
  643. config MIPS_BOSPORUS
  644. bool "Bosporus board"
  645. depends on SOC_AU1500
  646. select DMA_NONCOHERENT
  647. config MIPS_MIRAGE
  648. bool "Mirage board"
  649. depends on SOC_AU1500
  650. select DMA_NONCOHERENT
  651. config MIPS_XXS1500
  652. bool "MyCable XXS1500 board"
  653. depends on SOC_AU1500
  654. select DMA_NONCOHERENT
  655. config MIPS_MTX1
  656. bool "4G Systems MTX-1 board"
  657. depends on SOC_AU1500
  658. select HW_HAS_PCI
  659. select DMA_NONCOHERENT
  660. endchoice
  661. config SNI_RM200_PCI
  662. bool "Support for SNI RM200 PCI"
  663. select ARC
  664. select ARC32
  665. select BOOT_ELF32
  666. select DMA_NONCOHERENT
  667. select GENERIC_ISA_DMA
  668. select HAVE_STD_PC_SERIAL_PORT
  669. select HW_HAS_PCI
  670. select I8259
  671. select ISA
  672. select SYS_SUPPORTS_32BIT_KERNEL
  673. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  674. help
  675. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  676. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  677. Technology and now in turn merged with Fujitsu. Say Y here to
  678. support this machine type.
  679. config TOSHIBA_RBTX4927
  680. bool "Support for Toshiba TBTX49[23]7 board"
  681. select DMA_NONCOHERENT
  682. select HAS_TXX9_SERIAL
  683. select HW_HAS_PCI
  684. select I8259
  685. select ISA
  686. select SWAP_IO_SPACE
  687. select SYS_SUPPORTS_32BIT_KERNEL
  688. select SYS_SUPPORTS_64BIT_KERNEL
  689. help
  690. This Toshiba board is based on the TX4927 processor. Say Y here to
  691. support this machine type
  692. config TOSHIBA_FPCIB0
  693. bool "FPCIB0 Backplane Support"
  694. depends on TOSHIBA_RBTX4927
  695. source "arch/mips/sgi-ip27/Kconfig"
  696. source "arch/mips/sibyte/Kconfig"
  697. config RWSEM_GENERIC_SPINLOCK
  698. bool
  699. default y
  700. config RWSEM_XCHGADD_ALGORITHM
  701. bool
  702. config GENERIC_CALIBRATE_DELAY
  703. bool
  704. default y
  705. #
  706. # Select some configuration options automatically based on user selections.
  707. #
  708. config ARC
  709. bool
  710. depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
  711. default y
  712. config DMA_COHERENT
  713. bool
  714. config DMA_IP27
  715. bool
  716. config DMA_IP32
  717. bool
  718. select DMA_NEED_PCI_MAP_STATE
  719. config DMA_NONCOHERENT
  720. bool
  721. select DMA_NEED_PCI_MAP_STATE
  722. config DMA_NEED_PCI_MAP_STATE
  723. bool
  724. config EARLY_PRINTK
  725. bool
  726. depends on MACH_DECSTATION
  727. default y
  728. config GENERIC_ISA_DMA
  729. bool
  730. depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
  731. default y
  732. config I8259
  733. bool
  734. depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
  735. default y
  736. config LIMITED_DMA
  737. bool
  738. select HIGHMEM
  739. config MIPS_BONITO64
  740. bool
  741. depends on MIPS_ATLAS || MIPS_MALTA
  742. default y
  743. config MIPS_MSC
  744. bool
  745. depends on MIPS_ATLAS || MIPS_MALTA
  746. default y
  747. config MIPS_NILE4
  748. bool
  749. depends on LASAT
  750. default y
  751. config MIPS_DISABLE_OBSOLETE_IDE
  752. bool
  753. config CPU_LITTLE_ENDIAN
  754. bool "Generate little endian code"
  755. default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
  756. default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
  757. help
  758. Some MIPS machines can be configured for either little or big endian
  759. byte order. These modes require different kernels. Say Y if your
  760. machine is little endian, N if it's a big endian machine.
  761. config IRQ_CPU
  762. bool
  763. config IRQ_CPU_RM7K
  764. bool
  765. config IRQ_MV64340
  766. bool
  767. config DDB5XXX_COMMON
  768. bool
  769. depends on DDB5074 || DDB5476 || DDB5477
  770. default y
  771. config MIPS_BOARDS_GEN
  772. bool
  773. depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
  774. default y
  775. config MIPS_GT64111
  776. bool
  777. depends on MIPS_COBALT
  778. default y
  779. config MIPS_GT64120
  780. bool
  781. depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
  782. default y
  783. config MIPS_TX3927
  784. bool
  785. depends on TOSHIBA_JMR3927
  786. select HAS_TXX9_SERIAL
  787. default y
  788. config PCI_MARVELL
  789. bool
  790. config ITE_BOARD_GEN
  791. bool
  792. depends on MIPS_IVR || MIPS_ITE8172
  793. default y
  794. config SWAP_IO_SPACE
  795. bool
  796. #
  797. # Unfortunately not all GT64120 systems run the chip at the same clock.
  798. # As the user for the clock rate and try to minimize the available options.
  799. #
  800. choice
  801. prompt "Galileo Chip Clock"
  802. #default SYSCLK_83 if MIPS_EV64120
  803. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  804. default SYSCLK_83 if MIPS_EV64120
  805. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  806. config SYSCLK_75
  807. bool "75" if MIPS_EV64120
  808. config SYSCLK_83
  809. bool "83.3" if MIPS_EV64120
  810. config SYSCLK_100
  811. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  812. endchoice
  813. config AU1X00_USB_DEVICE
  814. bool
  815. depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
  816. default n
  817. config MIPS_GT96100
  818. bool
  819. depends on MIPS_EV96100
  820. default y
  821. help
  822. Say Y here to support the Galileo Technology GT96100 communications
  823. controller card. There is a web page at <http://www.galileot.com/>.
  824. config IT8172_CIR
  825. bool
  826. depends on MIPS_ITE8172 || MIPS_IVR
  827. default y
  828. config IT8712
  829. bool
  830. depends on MIPS_ITE8172
  831. default y
  832. config BOOT_ELF32
  833. bool
  834. depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
  835. default y
  836. config MIPS_L1_CACHE_SHIFT
  837. int
  838. default "4" if MACH_DECSTATION
  839. default "7" if SGI_IP27
  840. default "5"
  841. config ARC32
  842. bool
  843. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  844. default y
  845. config HAVE_STD_PC_SERIAL_PORT
  846. bool
  847. config ARC_CONSOLE
  848. bool "ARC console support"
  849. depends on SGI_IP22 || SNI_RM200_PCI
  850. config ARC_MEMORY
  851. bool
  852. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  853. default y
  854. config ARC_PROMLIB
  855. bool
  856. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  857. default y
  858. config ARC64
  859. bool
  860. depends on SGI_IP27
  861. default y
  862. config BOOT_ELF64
  863. bool
  864. depends on SGI_IP27
  865. default y
  866. #config MAPPED_PCI_IO y
  867. # bool
  868. # depends on SGI_IP27
  869. # default y
  870. config QL_ISP_A64
  871. bool
  872. depends on SGI_IP27
  873. default y
  874. config TOSHIBA_BOARDS
  875. bool
  876. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  877. default y
  878. endmenu
  879. menu "CPU selection"
  880. choice
  881. prompt "CPU type"
  882. default CPU_R4X00
  883. config CPU_MIPS32
  884. bool "MIPS32"
  885. select CPU_SUPPORTS_32BIT_KERNEL
  886. config CPU_MIPS64
  887. bool "MIPS64"
  888. select CPU_SUPPORTS_32BIT_KERNEL
  889. select CPU_SUPPORTS_64BIT_KERNEL
  890. config CPU_R3000
  891. bool "R3000"
  892. select CPU_SUPPORTS_32BIT_KERNEL
  893. help
  894. Please make sure to pick the right CPU type. Linux/MIPS is not
  895. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  896. *not* work on R4000 machines and vice versa. However, since most
  897. of the supported machines have an R4000 (or similar) CPU, R4x00
  898. might be a safe bet. If the resulting kernel does not work,
  899. try to recompile with R3000.
  900. config CPU_TX39XX
  901. bool "R39XX"
  902. select CPU_SUPPORTS_32BIT_KERNEL
  903. config CPU_VR41XX
  904. bool "R41xx"
  905. select CPU_SUPPORTS_32BIT_KERNEL
  906. select CPU_SUPPORTS_64BIT_KERNEL
  907. help
  908. The options selects support for the NEC VR41xx series of processors.
  909. Only choose this option if you have one of these processors as a
  910. kernel built with this option will not run on any other type of
  911. processor or vice versa.
  912. config CPU_R4300
  913. bool "R4300"
  914. select CPU_SUPPORTS_32BIT_KERNEL
  915. select CPU_SUPPORTS_64BIT_KERNEL
  916. help
  917. MIPS Technologies R4300-series processors.
  918. config CPU_R4X00
  919. bool "R4x00"
  920. select CPU_SUPPORTS_32BIT_KERNEL
  921. select CPU_SUPPORTS_64BIT_KERNEL
  922. help
  923. MIPS Technologies R4000-series processors other than 4300, including
  924. the R4000, R4400, R4600, and 4700.
  925. config CPU_TX49XX
  926. bool "R49XX"
  927. select CPU_SUPPORTS_32BIT_KERNEL
  928. select CPU_SUPPORTS_64BIT_KERNEL
  929. config CPU_R5000
  930. bool "R5000"
  931. select CPU_SUPPORTS_32BIT_KERNEL
  932. select CPU_SUPPORTS_64BIT_KERNEL
  933. help
  934. MIPS Technologies R5000-series processors other than the Nevada.
  935. config CPU_R5432
  936. bool "R5432"
  937. config CPU_R6000
  938. bool "R6000"
  939. depends on EXPERIMENTAL
  940. select CPU_SUPPORTS_32BIT_KERNEL
  941. help
  942. MIPS Technologies R6000 and R6000A series processors. Note these
  943. processors are extremly rare and the support for them is incomplete.
  944. config CPU_NEVADA
  945. bool "RM52xx"
  946. select CPU_SUPPORTS_32BIT_KERNEL
  947. select CPU_SUPPORTS_64BIT_KERNEL
  948. help
  949. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  950. config CPU_R8000
  951. bool "R8000"
  952. depends on EXPERIMENTAL
  953. select CPU_SUPPORTS_64BIT_KERNEL
  954. help
  955. MIPS Technologies R8000 processors. Note these processors are
  956. uncommon and the support for them is incomplete.
  957. config CPU_R10000
  958. bool "R10000"
  959. select CPU_SUPPORTS_32BIT_KERNEL
  960. select CPU_SUPPORTS_64BIT_KERNEL
  961. help
  962. MIPS Technologies R10000-series processors.
  963. config CPU_RM7000
  964. bool "RM7000"
  965. select CPU_SUPPORTS_32BIT_KERNEL
  966. select CPU_SUPPORTS_64BIT_KERNEL
  967. config CPU_RM9000
  968. bool "RM9000"
  969. select CPU_SUPPORTS_32BIT_KERNEL
  970. select CPU_SUPPORTS_64BIT_KERNEL
  971. config CPU_SB1
  972. bool "SB1"
  973. select CPU_SUPPORTS_32BIT_KERNEL
  974. select CPU_SUPPORTS_64BIT_KERNEL
  975. endchoice
  976. choice
  977. prompt "Kernel page size"
  978. default PAGE_SIZE_4KB
  979. config PAGE_SIZE_4KB
  980. bool "4kB"
  981. help
  982. This option select the standard 4kB Linux page size. On some
  983. R3000-family processors this is the only available page size. Using
  984. 4kB page size will minimize memory consumption and is therefore
  985. recommended for low memory systems.
  986. config PAGE_SIZE_8KB
  987. bool "8kB"
  988. depends on EXPERIMENTAL && CPU_R8000
  989. help
  990. Using 8kB page size will result in higher performance kernel at
  991. the price of higher memory consumption. This option is available
  992. only on the R8000 processor. Not that at the time of this writing
  993. this option is still high experimental; there are also issues with
  994. compatibility of user applications.
  995. config PAGE_SIZE_16KB
  996. bool "16kB"
  997. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  998. help
  999. Using 16kB page size will result in higher performance kernel at
  1000. the price of higher memory consumption. This option is available on
  1001. all non-R3000 family processor. Not that at the time of this
  1002. writing this option is still high experimental; there are also
  1003. issues with compatibility of user applications.
  1004. config PAGE_SIZE_64KB
  1005. bool "64kB"
  1006. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1007. help
  1008. Using 64kB page size will result in higher performance kernel at
  1009. the price of higher memory consumption. This option is available on
  1010. all non-R3000 family processor. Not that at the time of this
  1011. writing this option is still high experimental; there are also
  1012. issues with compatibility of user applications.
  1013. endchoice
  1014. config BOARD_SCACHE
  1015. bool
  1016. config IP22_CPU_SCACHE
  1017. bool
  1018. select BOARD_SCACHE
  1019. config R5000_CPU_SCACHE
  1020. bool
  1021. select BOARD_SCACHE
  1022. config RM7000_CPU_SCACHE
  1023. bool
  1024. select BOARD_SCACHE
  1025. config SIBYTE_DMA_PAGEOPS
  1026. bool "Use DMA to clear/copy pages"
  1027. depends on CPU_SB1
  1028. help
  1029. Instead of using the CPU to zero and copy pages, use a Data Mover
  1030. channel. These DMA channels are otherwise unused by the standard
  1031. SiByte Linux port. Seems to give a small performance benefit.
  1032. config CPU_HAS_PREFETCH
  1033. bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
  1034. default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
  1035. config VTAG_ICACHE
  1036. bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
  1037. default y if CPU_SB1
  1038. config SB1_PASS_1_WORKAROUNDS
  1039. bool
  1040. depends on CPU_SB1_PASS_1
  1041. default y
  1042. config SB1_PASS_2_WORKAROUNDS
  1043. bool
  1044. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1045. default y
  1046. config SB1_PASS_2_1_WORKAROUNDS
  1047. bool
  1048. depends on CPU_SB1 && CPU_SB1_PASS_2
  1049. default y
  1050. config 64BIT_PHYS_ADDR
  1051. bool "Support for 64-bit physical address space"
  1052. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1053. config CPU_ADVANCED
  1054. bool "Override CPU Options"
  1055. depends on 32BIT
  1056. help
  1057. Saying yes here allows you to select support for various features
  1058. your CPU may or may not have. Most people should say N here.
  1059. config CPU_HAS_LLSC
  1060. bool "ll/sc Instructions available" if CPU_ADVANCED
  1061. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
  1062. help
  1063. MIPS R4000 series and later provide the Load Linked (ll)
  1064. and Store Conditional (sc) instructions. More information is
  1065. available at <http://www.go-ecs.com/mips/miptek1.htm>.
  1066. Say Y here if your CPU has the ll and sc instructions. Say Y here
  1067. for better performance, N if you don't know. You must say Y here
  1068. for multiprocessor machines.
  1069. config CPU_HAS_LLDSCD
  1070. bool "lld/scd Instructions available" if CPU_ADVANCED
  1071. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
  1072. help
  1073. Say Y here if your CPU has the lld and scd instructions, the 64-bit
  1074. equivalents of ll and sc. Say Y here for better performance, N if
  1075. you don't know. You must say Y here for multiprocessor machines.
  1076. config CPU_HAS_WB
  1077. bool "Writeback Buffer available" if CPU_ADVANCED
  1078. default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
  1079. help
  1080. Say N here for slightly better performance. You must say Y here for
  1081. machines which require flushing of write buffers in software. Saying
  1082. Y is the safe option; N may result in kernel malfunction and crashes.
  1083. config CPU_HAS_SYNC
  1084. bool
  1085. depends on !CPU_R3000
  1086. default y
  1087. #
  1088. # - Highmem only makes sense for the 32-bit kernel.
  1089. # - The current highmem code will only work properly on physically indexed
  1090. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1091. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1092. # moment we protect the user and offer the highmem option only on machines
  1093. # where it's known to be safe. This will not offer highmem on a few systems
  1094. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1095. # indexed CPUs but we're playing safe.
  1096. # - We should not offer highmem for system of which we already know that they
  1097. # don't have memory configurations that could gain from highmem support in
  1098. # the kernel because they don't support configurations with RAM at physical
  1099. # addresses > 0x20000000.
  1100. #
  1101. config HIGHMEM
  1102. bool "High Memory Support"
  1103. depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
  1104. config ARCH_FLATMEM_ENABLE
  1105. def_bool y
  1106. depends on !NUMA
  1107. source "mm/Kconfig"
  1108. config SMP
  1109. bool "Multi-Processing support"
  1110. depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
  1111. ---help---
  1112. This enables support for systems with more than one CPU. If you have
  1113. a system with only one CPU, like most personal computers, say N. If
  1114. you have a system with more than one CPU, say Y.
  1115. If you say N here, the kernel will run on single and multiprocessor
  1116. machines, but will use only one CPU of a multiprocessor machine. If
  1117. you say Y here, the kernel will run on many, but not all,
  1118. singleprocessor machines. On a singleprocessor machine, the kernel
  1119. will run faster if you say N here.
  1120. People using multiprocessor machines who say Y here should also say
  1121. Y to "Enhanced Real Time Clock Support", below.
  1122. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1123. available at <http://www.tldp.org/docs.html#howto>.
  1124. If you don't know what to do here, say N.
  1125. config NR_CPUS
  1126. int "Maximum number of CPUs (2-64)"
  1127. range 2 64
  1128. depends on SMP
  1129. default "64" if SGI_IP27
  1130. default "2"
  1131. help
  1132. This allows you to specify the maximum number of CPUs which this
  1133. kernel will support. The maximum supported value is 32 for 32-bit
  1134. kernel and 64 for 64-bit kernels; the minimum value which makes
  1135. sense is 2.
  1136. This is purely to save memory - each supported CPU adds
  1137. approximately eight kilobytes to the kernel image.
  1138. config PREEMPT
  1139. bool "Preemptible Kernel"
  1140. help
  1141. This option reduces the latency of the kernel when reacting to
  1142. real-time or interactive events by allowing a low priority process to
  1143. be preempted even if it is in kernel mode executing a system call.
  1144. This allows applications to run more reliably even when the system is
  1145. under load.
  1146. config RTC_DS1742
  1147. bool "DS1742 BRAM/RTC support"
  1148. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1149. config MIPS_INSANE_LARGE
  1150. bool "Support for large 64-bit configurations"
  1151. depends on CPU_R10000 && 64BIT
  1152. help
  1153. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1154. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1155. need processes of more than 1TB virtual address space, say Y here.
  1156. This will result in additional memory usage, so it is not
  1157. recommended for normal users.
  1158. config RWSEM_GENERIC_SPINLOCK
  1159. bool
  1160. default y
  1161. endmenu
  1162. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1163. config HW_HAS_PCI
  1164. bool
  1165. config PCI
  1166. bool "Support for PCI controller"
  1167. depends on HW_HAS_PCI
  1168. help
  1169. Find out whether you have a PCI motherboard. PCI is the name of a
  1170. bus system, i.e. the way the CPU talks to the other stuff inside
  1171. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1172. say Y, otherwise N.
  1173. The PCI-HOWTO, available from
  1174. <http://www.tldp.org/docs.html#howto>, contains valuable
  1175. information about which PCI hardware does work under Linux and which
  1176. doesn't.
  1177. config PCI_DOMAINS
  1178. bool
  1179. depends on PCI
  1180. source "drivers/pci/Kconfig"
  1181. #
  1182. # ISA support is now enabled via select. Too many systems still have the one
  1183. # or other ISA chip on the board that users don't know about so don't expect
  1184. # users to choose the right thing ...
  1185. #
  1186. config ISA
  1187. bool
  1188. config EISA
  1189. bool "EISA support"
  1190. depends on SGI_IP22 || SNI_RM200_PCI
  1191. select ISA
  1192. ---help---
  1193. The Extended Industry Standard Architecture (EISA) bus was
  1194. developed as an open alternative to the IBM MicroChannel bus.
  1195. The EISA bus provided some of the features of the IBM MicroChannel
  1196. bus while maintaining backward compatibility with cards made for
  1197. the older ISA bus. The EISA bus saw limited use between 1988 and
  1198. 1995 when it was made obsolete by the PCI bus.
  1199. Say Y here if you are building a kernel for an EISA-based machine.
  1200. Otherwise, say N.
  1201. source "drivers/eisa/Kconfig"
  1202. config TC
  1203. bool "TURBOchannel support"
  1204. depends on MACH_DECSTATION
  1205. help
  1206. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1207. processors. Documentation on writing device drivers for TurboChannel
  1208. is available at:
  1209. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1210. #config ACCESSBUS
  1211. # bool "Access.Bus support"
  1212. # depends on TC
  1213. config MMU
  1214. bool
  1215. default y
  1216. config MCA
  1217. bool
  1218. config SBUS
  1219. bool
  1220. source "drivers/pcmcia/Kconfig"
  1221. source "drivers/pci/hotplug/Kconfig"
  1222. endmenu
  1223. menu "Executable file formats"
  1224. source "fs/Kconfig.binfmt"
  1225. config TRAD_SIGNALS
  1226. bool
  1227. default y if 32BIT
  1228. config BUILD_ELF64
  1229. bool "Use 64-bit ELF format for building"
  1230. depends on 64BIT
  1231. help
  1232. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1233. format as it's one that allows arbitrary 64-bit constructs. For
  1234. kernels that are loaded within the KSEG compatibility segments the
  1235. 32-bit ELF format can optionally be used resulting in a somewhat
  1236. smaller binary, but this option is not explicitly supported by the
  1237. toolchain and since binutils 2.14 it does not even work at all.
  1238. Say Y to use the 64-bit format or N to use the 32-bit one.
  1239. If unsure say Y.
  1240. config BINFMT_IRIX
  1241. bool "Include IRIX binary compatibility"
  1242. depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
  1243. config MIPS32_COMPAT
  1244. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1245. depends on 64BIT
  1246. help
  1247. Select this option if you want Linux/MIPS 32-bit binary
  1248. compatibility. Since all software available for Linux/MIPS is
  1249. currently 32-bit you should say Y here.
  1250. config COMPAT
  1251. bool
  1252. depends on MIPS32_COMPAT
  1253. default y
  1254. config MIPS32_O32
  1255. bool "Kernel support for o32 binaries"
  1256. depends on MIPS32_COMPAT
  1257. help
  1258. Select this option if you want to run o32 binaries. These are pure
  1259. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1260. existing binaries are in this format.
  1261. If unsure, say Y.
  1262. config MIPS32_N32
  1263. bool "Kernel support for n32 binaries"
  1264. depends on MIPS32_COMPAT
  1265. help
  1266. Select this option if you want to run n32 binaries. These are
  1267. 64-bit binaries using 32-bit quantities for addressing and certain
  1268. data that would normally be 64-bit. They are used in special
  1269. cases.
  1270. If unsure, say N.
  1271. config BINFMT_ELF32
  1272. bool
  1273. default y if MIPS32_O32 || MIPS32_N32
  1274. config PM
  1275. bool "Power Management support (EXPERIMENTAL)"
  1276. depends on EXPERIMENTAL && MACH_AU1X00
  1277. endmenu
  1278. source "net/Kconfig"
  1279. source "drivers/Kconfig"
  1280. source "fs/Kconfig"
  1281. source "arch/mips/Kconfig.debug"
  1282. source "security/Kconfig"
  1283. source "crypto/Kconfig"
  1284. source "lib/Kconfig"
  1285. #
  1286. # Use the generic interrupt handling code in kernel/irq/:
  1287. #
  1288. config GENERIC_HARDIRQS
  1289. bool
  1290. default y
  1291. config GENERIC_IRQ_PROBE
  1292. bool
  1293. default y
  1294. config ISA_DMA_API
  1295. bool
  1296. default y