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. config MIPS64
  7. bool "64-bit kernel"
  8. help
  9. Select this option if you want to build a 64-bit kernel. You should
  10. only select this option if you have hardware that actually has a
  11. 64-bit processor and if your application will actually benefit from
  12. 64-bit processing, otherwise say N. You must say Y for kernels for
  13. SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2). If in doubt say N.
  14. config 64BIT
  15. def_bool MIPS64
  16. config MIPS32
  17. bool
  18. depends on MIPS64 = 'n'
  19. default y
  20. mainmenu "Linux/MIPS Kernel Configuration"
  21. source "init/Kconfig"
  22. menu "Machine selection"
  23. config MACH_JAZZ
  24. bool "Support for the Jazz family of machines"
  25. select ARC
  26. select ARC32
  27. select GENERIC_ISA_DMA
  28. select I8259
  29. select ISA
  30. help
  31. This a family of machines based on the MIPS R4030 chipset which was
  32. used by several vendors to build RISC/os and Windows NT workstations.
  33. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  34. Olivetti M700-10 workstations.
  35. config ACER_PICA_61
  36. bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
  37. depends on MACH_JAZZ && EXPERIMENTAL
  38. select DMA_NONCOHERENT
  39. help
  40. This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
  41. kernel that runs on these, say Y here. For details about Linux on
  42. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  43. <http://www.linux-mips.org/>.
  44. config MIPS_MAGNUM_4000
  45. bool "Support for MIPS Magnum 4000"
  46. depends on MACH_JAZZ
  47. select DMA_NONCOHERENT
  48. help
  49. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  50. kernel that runs on these, say Y here. For details about Linux on
  51. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  52. <http://www.linux-mips.org/>.
  53. config OLIVETTI_M700
  54. bool "Support for Olivetti M700-10"
  55. depends on MACH_JAZZ
  56. select DMA_NONCOHERENT
  57. help
  58. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  59. kernel that runs on these, say Y here. For details about Linux on
  60. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  61. <http://www.linux-mips.org/>.
  62. config MACH_VR41XX
  63. bool "Support for NEC VR41XX-based machines"
  64. config NEC_CMBVR4133
  65. bool "Support for NEC CMB-VR4133"
  66. depends on MACH_VR41XX
  67. select CPU_VR41XX
  68. select DMA_NONCOHERENT
  69. select IRQ_CPU
  70. select HW_HAS_PCI
  71. select PCI_VR41XX
  72. config ROCKHOPPER
  73. bool "Support for Rockhopper baseboard"
  74. depends on NEC_CMBVR4133
  75. select I8259
  76. select HAVE_STD_PC_SERIAL_PORT
  77. config CASIO_E55
  78. bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
  79. depends on MACH_VR41XX
  80. select DMA_NONCOHERENT
  81. select IRQ_CPU
  82. select ISA
  83. config IBM_WORKPAD
  84. bool "Support for IBM WorkPad z50"
  85. depends on MACH_VR41XX
  86. select DMA_NONCOHERENT
  87. select IRQ_CPU
  88. select ISA
  89. config TANBAC_TB0226
  90. bool "Support for TANBAC TB0226 (Mbase)"
  91. depends on MACH_VR41XX
  92. select DMA_NONCOHERENT
  93. select HW_HAS_PCI
  94. select IRQ_CPU
  95. help
  96. The TANBAC TB0226 (Mbase) is a MIPS-based platform manufactured by TANBAC.
  97. Please refer to <http://www.tanbac.co.jp/> about Mbase.
  98. config TANBAC_TB0229
  99. bool "Support for TANBAC TB0229 (VR4131DIMM)"
  100. depends on MACH_VR41XX
  101. select DMA_NONCOHERENT
  102. select HW_HAS_PCI
  103. select IRQ_CPU
  104. help
  105. The TANBAC TB0229 (VR4131DIMM) is a MIPS-based platform manufactured by TANBAC.
  106. Please refer to <http://www.tanbac.co.jp/> about VR4131DIMM.
  107. config VICTOR_MPC30X
  108. bool "Support for Victor MP-C303/304"
  109. select DMA_NONCOHERENT
  110. select HW_HAS_PCI
  111. select IRQ_CPU
  112. depends on MACH_VR41XX
  113. config ZAO_CAPCELLA
  114. bool "Support for ZAO Networks Capcella"
  115. depends on MACH_VR41XX
  116. select DMA_NONCOHERENT
  117. select HW_HAS_PCI
  118. select IRQ_CPU
  119. config PCI_VR41XX
  120. bool "Add PCI control unit support of NEC VR4100 series"
  121. depends on MACH_VR41XX && PCI
  122. config VRC4171
  123. tristate "Add NEC VRC4171 companion chip support"
  124. depends on MACH_VR41XX && ISA
  125. ---help---
  126. The NEC VRC4171/4171A is a companion chip for NEC VR4111/VR4121.
  127. config VRC4173
  128. tristate "Add NEC VRC4173 companion chip support"
  129. depends on MACH_VR41XX && PCI_VR41XX
  130. ---help---
  131. The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
  132. config TOSHIBA_JMR3927
  133. bool "Support for Toshiba JMR-TX3927 board"
  134. depends on MIPS32
  135. select DMA_NONCOHERENT
  136. select HW_HAS_PCI
  137. select SWAP_IO_SPACE
  138. config MIPS_COBALT
  139. bool "Support for Cobalt Server (EXPERIMENTAL)"
  140. depends on EXPERIMENTAL
  141. select DMA_NONCOHERENT
  142. select HW_HAS_PCI
  143. select I8259
  144. select IRQ_CPU
  145. config MACH_DECSTATION
  146. bool "Support for DECstations"
  147. select BOOT_ELF32
  148. select DMA_NONCOHERENT
  149. select IRQ_CPU
  150. depends on MIPS32 || EXPERIMENTAL
  151. ---help---
  152. This enables support for DEC's MIPS based workstations. For details
  153. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  154. DECstation porting pages on <http://decstation.unix-ag.org/>.
  155. If you have one of the following DECstation Models you definitely
  156. want to choose R4xx0 for the CPU Type:
  157. DECstation 5000/50
  158. DECstation 5000/150
  159. DECstation 5000/260
  160. DECsystem 5900/260
  161. otherwise choose R3000.
  162. config MIPS_EV64120
  163. bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  164. depends on EXPERIMENTAL
  165. select DMA_NONCOHERENT
  166. select HW_HAS_PCI
  167. select MIPS_GT64120
  168. help
  169. This is an evaluation board based on the Galileo GT-64120
  170. single-chip system controller that contains a MIPS R5000 compatible
  171. core running at 75/100MHz. Their website is located at
  172. <http://www.marvell.com/>. Say Y here if you wish to build a
  173. kernel for this platform.
  174. config EVB_PCI1
  175. bool "Enable Second PCI (PCI1)"
  176. depends on MIPS_EV64120
  177. config MIPS_EV96100
  178. bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
  179. depends on EXPERIMENTAL
  180. select DMA_NONCOHERENT
  181. select HW_HAS_PCI
  182. select IRQ_CPU
  183. select MIPS_GT96100
  184. select RM7000_CPU_SCACHE
  185. select SWAP_IO_SPACE
  186. help
  187. This is an evaluation board based on the Galileo GT-96100 LAN/WAN
  188. communications controllers containing a MIPS R5000 compatible core
  189. running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
  190. here if you wish to build a kernel for this platform.
  191. config MIPS_IVR
  192. bool "Support for Globespan IVR board"
  193. select DMA_NONCOHERENT
  194. select HW_HAS_PCI
  195. help
  196. This is an evaluation board built by Globespan to showcase thir
  197. iVR (Internet Video Recorder) design. It utilizes a QED RM5231
  198. R5000 MIPS core. More information can be found out their website
  199. located at <http://www.globespan.net/>. Say Y here if you wish to
  200. build a kernel for this platform.
  201. config LASAT
  202. bool "Support for LASAT Networks platforms"
  203. select DMA_NONCOHERENT
  204. select HW_HAS_PCI
  205. select MIPS_GT64120
  206. select R5000_CPU_SCACHE
  207. config PICVUE
  208. tristate "PICVUE LCD display driver"
  209. depends on LASAT
  210. config PICVUE_PROC
  211. tristate "PICVUE LCD display driver /proc interface"
  212. depends on PICVUE
  213. config DS1603
  214. bool "DS1603 RTC driver"
  215. depends on LASAT
  216. config LASAT_SYSCTL
  217. bool "LASAT sysctl interface"
  218. depends on LASAT
  219. config MIPS_ITE8172
  220. bool "Support for ITE 8172G board"
  221. select DMA_NONCOHERENT
  222. select HW_HAS_PCI
  223. help
  224. Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
  225. with ATX form factor that utilizes a MIPS R5000 to work with its
  226. ITE8172G companion internet appliance chip. The MIPS core can be
  227. either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
  228. a kernel for this platform.
  229. config IT8172_REVC
  230. bool "Support for older IT8172 (Rev C)"
  231. depends on MIPS_ITE8172
  232. help
  233. Say Y here to support the older, Revision C version of the Integrated
  234. Technology Express, Inc. ITE8172 SBC. Vendor page at
  235. <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
  236. board at <http://www.mvista.com/partners/semiconductor/ite.html>.
  237. config MIPS_ATLAS
  238. bool "Support for MIPS Atlas board"
  239. select BOOT_ELF32
  240. select DMA_NONCOHERENT
  241. select HW_HAS_PCI
  242. select MIPS_GT64120
  243. select SWAP_IO_SPACE
  244. help
  245. This enables support for the QED R5231-based MIPS Atlas evaluation
  246. board.
  247. config MIPS_MALTA
  248. bool "Support for MIPS Malta board"
  249. select BOOT_ELF32
  250. select HAVE_STD_PC_SERIAL_PORT
  251. select DMA_NONCOHERENT
  252. select GENERIC_ISA_DMA
  253. select HW_HAS_PCI
  254. select I8259
  255. select MIPS_GT64120
  256. select SWAP_IO_SPACE
  257. help
  258. This enables support for the VR5000-based MIPS Malta evaluation
  259. board.
  260. config MIPS_SEAD
  261. bool "Support for MIPS SEAD board (EXPERIMENTAL)"
  262. depends on EXPERIMENTAL
  263. select IRQ_CPU
  264. select DMA_NONCOHERENT
  265. config MOMENCO_OCELOT
  266. bool "Support for Momentum Ocelot board"
  267. select DMA_NONCOHERENT
  268. select HW_HAS_PCI
  269. select IRQ_CPU
  270. select IRQ_CPU_RM7K
  271. select MIPS_GT64120
  272. select RM7000_CPU_SCACHE
  273. select SWAP_IO_SPACE
  274. help
  275. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  276. Momentum Computer <http://www.momenco.com/>.
  277. config MOMENCO_OCELOT_G
  278. bool "Support for Momentum Ocelot-G board"
  279. select DMA_NONCOHERENT
  280. select HW_HAS_PCI
  281. select IRQ_CPU
  282. select IRQ_CPU_RM7K
  283. select PCI_MARVELL
  284. select RM7000_CPU_SCACHE
  285. select SWAP_IO_SPACE
  286. help
  287. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  288. Momentum Computer <http://www.momenco.com/>.
  289. config MOMENCO_OCELOT_C
  290. bool "Support for Momentum Ocelot-C board"
  291. select DMA_NONCOHERENT
  292. select HW_HAS_PCI
  293. select IRQ_CPU
  294. select IRQ_MV64340
  295. select PCI_MARVELL
  296. select RM7000_CPU_SCACHE
  297. select SWAP_IO_SPACE
  298. help
  299. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  300. Momentum Computer <http://www.momenco.com/>.
  301. config MOMENCO_OCELOT_3
  302. bool "Support for Momentum Ocelot-3 board"
  303. select BOOT_ELF32
  304. select DMA_NONCOHERENT
  305. select HW_HAS_PCI
  306. select IRQ_CPU
  307. select IRQ_CPU_RM7K
  308. select IRQ_MV64340
  309. select PCI_MARVELL
  310. select RM7000_CPU_SCACHE
  311. select SWAP_IO_SPACE
  312. help
  313. The Ocelot-3 is based off Discovery III System Controller and
  314. PMC-Sierra Rm79000 core.
  315. config MOMENCO_JAGUAR_ATX
  316. bool "Support for Momentum Jaguar board"
  317. select BOOT_ELF32
  318. select DMA_NONCOHERENT
  319. select HW_HAS_PCI
  320. select IRQ_CPU
  321. select IRQ_CPU_RM7K
  322. select IRQ_MV64340
  323. select LIMITED_DMA
  324. select PCI_MARVELL
  325. select RM7000_CPU_SCACHE
  326. select SWAP_IO_SPACE
  327. help
  328. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  329. Momentum Computer <http://www.momenco.com/>.
  330. config JAGUAR_DMALOW
  331. bool "Low DMA Mode"
  332. depends on MOMENCO_JAGUAR_ATX
  333. help
  334. Select to Y if jump JP5 is set on your board, N otherwise. Normally
  335. the jumper is set, so if you feel unsafe, just say Y.
  336. config PMC_YOSEMITE
  337. bool "Support for PMC-Sierra Yosemite eval board"
  338. select DMA_COHERENT
  339. select HW_HAS_PCI
  340. select IRQ_CPU
  341. select IRQ_CPU_RM7K
  342. select IRQ_CPU_RM9K
  343. select SWAP_IO_SPACE
  344. help
  345. Yosemite is an evaluation board for the RM9000x2 processor
  346. manufactured by PMC-Sierra
  347. config HYPERTRANSPORT
  348. bool "Hypertransport Support for PMC-Sierra Yosemite"
  349. depends on PMC_YOSEMITE
  350. config DDB5074
  351. bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
  352. depends on EXPERIMENTAL
  353. select DMA_NONCOHERENT
  354. select HAVE_STD_PC_SERIAL_PORT
  355. select HW_HAS_PCI
  356. select IRQ_CPU
  357. select I8259
  358. select ISA
  359. help
  360. This enables support for the VR5000-based NEC DDB Vrc-5074
  361. evaluation board.
  362. config DDB5476
  363. bool "Support for NEC DDB Vrc-5476"
  364. select DMA_NONCOHERENT
  365. select HAVE_STD_PC_SERIAL_PORT
  366. select HW_HAS_PCI
  367. select IRQ_CPU
  368. select I8259
  369. select ISA
  370. help
  371. This enables support for the R5432-based NEC DDB Vrc-5476
  372. evaluation board.
  373. Features : kernel debugging, serial terminal, NFS root fs, on-board
  374. ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
  375. IDE controller, PS2 keyboard, PS2 mouse, etc.
  376. config DDB5477
  377. bool "Support for NEC DDB Vrc-5477"
  378. select DMA_NONCOHERENT
  379. select HW_HAS_PCI
  380. select I8259
  381. select IRQ_CPU
  382. help
  383. This enables support for the R5432-based NEC DDB Vrc-5477,
  384. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  385. Features : kernel debugging, serial terminal, NFS root fs, on-board
  386. ether port USB, AC97, PCI, etc.
  387. config DDB5477_BUS_FREQUENCY
  388. int "bus frequency (in kHZ, 0 for auto-detect)"
  389. depends on DDB5477
  390. default 0
  391. config SGI_IP22
  392. bool "Support for SGI IP22 (Indy/Indigo2)"
  393. select ARC
  394. select ARC32
  395. select BOOT_ELF32
  396. select DMA_NONCOHERENT
  397. select IP22_CPU_SCACHE
  398. select IRQ_CPU
  399. select SWAP_IO_SPACE
  400. help
  401. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  402. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  403. that runs on these, say Y here.
  404. config SGI_IP27
  405. bool "Support for SGI IP27 (Origin200/2000)"
  406. depends on MIPS64
  407. select ARC
  408. select ARC64
  409. select DMA_IP27
  410. select HW_HAS_PCI
  411. select PCI_DOMAINS
  412. help
  413. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  414. workstations. To compile a Linux kernel that runs on these, say Y
  415. here.
  416. #config SGI_SN0_XXL
  417. # bool "IP27 XXL"
  418. # depends on SGI_IP27
  419. # This options adds support for userspace processes upto 16TB size.
  420. # Normally the limit is just .5TB.
  421. config SGI_SN0_N_MODE
  422. bool "IP27 N-Mode"
  423. depends on SGI_IP27
  424. help
  425. The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
  426. configured in either N-Modes which allows for more nodes or M-Mode
  427. which allows for more memory. Your system is most probably
  428. running in M-Mode, so you should say N here.
  429. config ARCH_DISCONTIGMEM_ENABLE
  430. bool
  431. default y if SGI_IP27
  432. help
  433. Say Y to upport efficient handling of discontiguous physical memory,
  434. for architectures which are either NUMA (Non-Uniform Memory Access)
  435. or have huge holes in the physical address space for other reasons.
  436. See <file:Documentation/vm/numa> for more.
  437. config NUMA
  438. bool "NUMA Support"
  439. depends on SGI_IP27
  440. help
  441. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  442. Access). This option is for configuring high-end multiprocessor
  443. server machines. If in doubt, say N.
  444. config MAPPED_KERNEL
  445. bool "Mapped kernel support"
  446. depends on SGI_IP27
  447. help
  448. Change the way a Linux kernel is loaded into memory on a MIPS64
  449. machine. This is required in order to support text replication and
  450. NUMA. If you need to understand it, read the source code.
  451. config REPLICATE_KTEXT
  452. bool "Kernel text replication support"
  453. depends on SGI_IP27
  454. help
  455. Say Y here to enable replicating the kernel text across multiple
  456. nodes in a NUMA cluster. This trades memory for speed.
  457. config REPLICATE_EXHANDLERS
  458. bool "Exception handler replication support"
  459. depends on SGI_IP27
  460. help
  461. Say Y here to enable replicating the kernel exception handlers
  462. across multiple nodes in a NUMA cluster. This trades memory for
  463. speed.
  464. config SGI_IP32
  465. bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
  466. depends on MIPS64 && EXPERIMENTAL
  467. select ARC
  468. select ARC32
  469. select BOOT_ELF32
  470. select OWN_DMA
  471. select DMA_IP32
  472. select DMA_NONCOHERENT
  473. select HW_HAS_PCI
  474. select R5000_CPU_SCACHE
  475. select RM7000_CPU_SCACHE
  476. help
  477. If you want this kernel to run on SGI O2 workstation, say Y here.
  478. config SOC_AU1X00
  479. depends on MIPS32
  480. bool "Support for AMD/Alchemy Au1X00 SOCs"
  481. choice
  482. prompt "Au1X00 SOC Type"
  483. depends on SOC_AU1X00
  484. help
  485. Say Y here to enable support for one of three AMD/Alchemy
  486. SOCs. For additional documentation see www.amd.com.
  487. config SOC_AU1000
  488. bool "SOC_AU1000"
  489. config SOC_AU1100
  490. bool "SOC_AU1100"
  491. config SOC_AU1500
  492. bool "SOC_AU1500"
  493. config SOC_AU1550
  494. bool "SOC_AU1550"
  495. endchoice
  496. choice
  497. prompt "AMD/Alchemy Au1x00 board support"
  498. depends on SOC_AU1X00
  499. help
  500. These are evaluation boards built by AMD/Alchemy to
  501. showcase their Au1X00 Internet Edge Processors. The SOC design
  502. is based on the MIPS32 architecture running at 266/400/500MHz
  503. with many integrated peripherals. Further information can be
  504. found at their website, <http://www.amd.com/>. Say Y here if you
  505. wish to build a kernel for this platform.
  506. config MIPS_PB1000
  507. bool "PB1000 board"
  508. depends on SOC_AU1000
  509. select DMA_NONCOHERENT
  510. select HW_HAS_PCI
  511. select SWAP_IO_SPACE
  512. config MIPS_PB1100
  513. bool "PB1100 board"
  514. depends on SOC_AU1100
  515. select DMA_NONCOHERENT
  516. select HW_HAS_PCI
  517. select SWAP_IO_SPACE
  518. config MIPS_PB1500
  519. bool "PB1500 board"
  520. depends on SOC_AU1500
  521. select DMA_COHERENT
  522. select HW_HAS_PCI
  523. config MIPS_PB1550
  524. bool "PB1550 board"
  525. depends on SOC_AU1550
  526. select DMA_COHERENT
  527. select HW_HAS_PCI
  528. select MIPS_DISABLE_OBSOLETE_IDE
  529. config MIPS_DB1000
  530. bool "DB1000 board"
  531. depends on SOC_AU1000
  532. select DMA_NONCOHERENT
  533. select HW_HAS_PCI
  534. config MIPS_DB1100
  535. bool "DB1100 board"
  536. depends on SOC_AU1100
  537. select DMA_NONCOHERENT
  538. config MIPS_DB1500
  539. bool "DB1500 board"
  540. depends on SOC_AU1500
  541. select DMA_COHERENT
  542. select HW_HAS_PCI
  543. select MIPS_DISABLE_OBSOLETE_IDE
  544. config MIPS_DB1550
  545. bool "DB1550 board"
  546. depends on SOC_AU1550
  547. select HW_HAS_PCI
  548. select DMA_COHERENT
  549. select MIPS_DISABLE_OBSOLETE_IDE
  550. config MIPS_BOSPORUS
  551. bool "Bosporus board"
  552. depends on SOC_AU1500
  553. select DMA_NONCOHERENT
  554. config MIPS_MIRAGE
  555. bool "Mirage board"
  556. depends on SOC_AU1500
  557. select DMA_NONCOHERENT
  558. config MIPS_XXS1500
  559. bool "MyCable XXS1500 board"
  560. depends on SOC_AU1500
  561. select DMA_NONCOHERENT
  562. config MIPS_MTX1
  563. bool "4G Systems MTX-1 board"
  564. depends on SOC_AU1500
  565. select HW_HAS_PCI
  566. select DMA_NONCOHERENT
  567. endchoice
  568. config SIBYTE_SB1xxx_SOC
  569. bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
  570. depends on EXPERIMENTAL
  571. select BOOT_ELF32
  572. select DMA_COHERENT
  573. select SWAP_IO_SPACE
  574. choice
  575. prompt "BCM1xxx SOC-based board"
  576. depends on SIBYTE_SB1xxx_SOC
  577. default SIBYTE_SWARM
  578. help
  579. Enable support for boards based on the SiByte line of SOCs
  580. from Broadcom. There are configurations for the known
  581. evaluation boards, or you can choose "Other" and add your
  582. own board support code.
  583. config SIBYTE_SWARM
  584. bool "BCM91250A-SWARM"
  585. select SIBYTE_SB1250
  586. config SIBYTE_SENTOSA
  587. bool "BCM91250E-Sentosa"
  588. select SIBYTE_SB1250
  589. config SIBYTE_RHONE
  590. bool "BCM91125E-Rhone"
  591. select SIBYTE_BCM1125H
  592. config SIBYTE_CARMEL
  593. bool "BCM91120x-Carmel"
  594. select SIBYTE_BCM1120
  595. config SIBYTE_PTSWARM
  596. bool "BCM91250PT-PTSWARM"
  597. select SIBYTE_SB1250
  598. config SIBYTE_LITTLESUR
  599. bool "BCM91250C2-LittleSur"
  600. select SIBYTE_SB1250
  601. config SIBYTE_CRHINE
  602. bool "BCM91120C-CRhine"
  603. select SIBYTE_BCM1120
  604. config SIBYTE_CRHONE
  605. bool "BCM91125C-CRhone"
  606. select SIBYTE_BCM1125
  607. config SIBYTE_UNKNOWN
  608. bool "Other"
  609. endchoice
  610. config SIBYTE_BOARD
  611. bool
  612. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
  613. default y
  614. choice
  615. prompt "BCM1xxx SOC Type"
  616. depends on SIBYTE_UNKNOWN
  617. default SIBYTE_UNK_BCM1250
  618. help
  619. Since you haven't chosen a known evaluation board from
  620. Broadcom, you must explicitly pick the SOC this kernel is
  621. targetted for.
  622. config SIBYTE_UNK_BCM1250
  623. bool "BCM1250"
  624. select SIBYTE_SB1250
  625. config SIBYTE_UNK_BCM1120
  626. bool "BCM1120"
  627. select SIBYTE_BCM1120
  628. config SIBYTE_UNK_BCM1125
  629. bool "BCM1125"
  630. select SIBYTE_BCM1125
  631. config SIBYTE_UNK_BCM1125H
  632. bool "BCM1125H"
  633. select SIBYTE_BCM1125H
  634. endchoice
  635. config SIBYTE_SB1250
  636. bool
  637. select HW_HAS_PCI
  638. config SIBYTE_BCM1120
  639. bool
  640. select SIBYTE_BCM112X
  641. config SIBYTE_BCM1125
  642. bool
  643. select HW_HAS_PCI
  644. select SIBYTE_BCM112X
  645. config SIBYTE_BCM1125H
  646. bool
  647. select HW_HAS_PCI
  648. select SIBYTE_BCM112X
  649. config SIBYTE_BCM112X
  650. bool
  651. choice
  652. prompt "SiByte SOC Stepping"
  653. depends on SIBYTE_SB1xxx_SOC
  654. config CPU_SB1_PASS_1
  655. bool "1250 Pass1"
  656. depends on SIBYTE_SB1250
  657. select CPU_HAS_PREFETCH
  658. config CPU_SB1_PASS_2_1250
  659. bool "1250 An"
  660. depends on SIBYTE_SB1250
  661. select CPU_SB1_PASS_2
  662. help
  663. Also called BCM1250 Pass 2
  664. config CPU_SB1_PASS_2_2
  665. bool "1250 Bn"
  666. depends on SIBYTE_SB1250
  667. select CPU_HAS_PREFETCH
  668. help
  669. Also called BCM1250 Pass 2.2
  670. config CPU_SB1_PASS_4
  671. bool "1250 Cn"
  672. depends on SIBYTE_SB1250
  673. select CPU_HAS_PREFETCH
  674. help
  675. Also called BCM1250 Pass 3
  676. config CPU_SB1_PASS_2_112x
  677. bool "112x Hybrid"
  678. depends on SIBYTE_BCM112X
  679. select CPU_SB1_PASS_2
  680. config CPU_SB1_PASS_3
  681. bool "112x An"
  682. depends on SIBYTE_BCM112X
  683. select CPU_HAS_PREFETCH
  684. endchoice
  685. config CPU_SB1_PASS_2
  686. bool
  687. config SIBYTE_HAS_LDT
  688. bool
  689. depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
  690. default y
  691. config SIMULATION
  692. bool "Running under simulation"
  693. depends on SIBYTE_SB1xxx_SOC
  694. help
  695. Build a kernel suitable for running under the GDB simulator.
  696. Primarily adjusts the kernel's notion of time.
  697. config SIBYTE_CFE
  698. bool "Booting from CFE"
  699. depends on SIBYTE_SB1xxx_SOC
  700. help
  701. Make use of the CFE API for enumerating available memory,
  702. controlling secondary CPUs, and possibly console output.
  703. config SIBYTE_CFE_CONSOLE
  704. bool "Use firmware console"
  705. depends on SIBYTE_CFE
  706. help
  707. Use the CFE API's console write routines during boot. Other console
  708. options (VT console, sb1250 duart console, etc.) should not be
  709. configured.
  710. config SIBYTE_STANDALONE
  711. bool
  712. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
  713. default y
  714. config SIBYTE_STANDALONE_RAM_SIZE
  715. int "Memory size (in megabytes)"
  716. depends on SIBYTE_STANDALONE
  717. default "32"
  718. config SIBYTE_BUS_WATCHER
  719. bool "Support for Bus Watcher statistics"
  720. depends on SIBYTE_SB1xxx_SOC
  721. help
  722. Handle and keep statistics on the bus error interrupts (COR_ECC,
  723. BAD_ECC, IO_BUS).
  724. config SIBYTE_BW_TRACE
  725. bool "Capture bus trace before bus error"
  726. depends on SIBYTE_BUS_WATCHER
  727. help
  728. Run a continuous bus trace, dumping the raw data as soon as
  729. a ZBbus error is detected. Cannot work if ZBbus profiling
  730. is turned on, and also will interfere with JTAG-based trace
  731. buffer activity. Raw buffer data is dumped to console, and
  732. must be processed off-line.
  733. config SIBYTE_SB1250_PROF
  734. bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
  735. depends on SIBYTE_SB1xxx_SOC
  736. config SIBYTE_TBPROF
  737. bool "Support for ZBbus profiling"
  738. depends on SIBYTE_SB1xxx_SOC
  739. config SNI_RM200_PCI
  740. bool "Support for SNI RM200 PCI"
  741. select ARC
  742. select ARC32
  743. select BOOT_ELF32
  744. select DMA_NONCOHERENT
  745. select GENERIC_ISA_DMA
  746. select HAVE_STD_PC_SERIAL_PORT
  747. select HW_HAS_PCI
  748. select I8259
  749. select ISA
  750. help
  751. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  752. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  753. Technology and now in turn merged with Fujitsu. Say Y here to
  754. support this machine type.
  755. config TOSHIBA_RBTX4927
  756. bool "Support for Toshiba TBTX49[23]7 board"
  757. depends on MIPS32
  758. select DMA_NONCOHERENT
  759. select HAS_TXX9_SERIAL
  760. select HW_HAS_PCI
  761. select I8259
  762. select ISA
  763. select SWAP_IO_SPACE
  764. help
  765. This Toshiba board is based on the TX4927 processor. Say Y here to
  766. support this machine type
  767. config TOSHIBA_FPCIB0
  768. bool "FPCIB0 Backplane Support"
  769. depends on TOSHIBA_RBTX4927
  770. config RWSEM_GENERIC_SPINLOCK
  771. bool
  772. default y
  773. config RWSEM_XCHGADD_ALGORITHM
  774. bool
  775. config GENERIC_CALIBRATE_DELAY
  776. bool
  777. default y
  778. config HAVE_DEC_LOCK
  779. bool
  780. default y
  781. #
  782. # Select some configuration options automatically based on user selections.
  783. #
  784. config ARC
  785. bool
  786. depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
  787. default y
  788. config DMA_COHERENT
  789. bool
  790. config DMA_IP27
  791. bool
  792. config DMA_NONCOHERENT
  793. bool
  794. config EARLY_PRINTK
  795. bool
  796. depends on MACH_DECSTATION
  797. default y
  798. config GENERIC_ISA_DMA
  799. bool
  800. depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
  801. default y
  802. config I8259
  803. bool
  804. depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
  805. default y
  806. config LIMITED_DMA
  807. bool
  808. select HIGHMEM
  809. config MIPS_BONITO64
  810. bool
  811. depends on MIPS_ATLAS || MIPS_MALTA
  812. default y
  813. config MIPS_MSC
  814. bool
  815. depends on MIPS_ATLAS || MIPS_MALTA
  816. default y
  817. config MIPS_NILE4
  818. bool
  819. depends on LASAT
  820. default y
  821. config MIPS_DISABLE_OBSOLETE_IDE
  822. bool
  823. config CPU_LITTLE_ENDIAN
  824. bool "Generate little endian code"
  825. 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
  826. default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
  827. help
  828. Some MIPS machines can be configured for either little or big endian
  829. byte order. These modes require different kernels. Say Y if your
  830. machine is little endian, N if it's a big endian machine.
  831. config IRQ_CPU
  832. bool
  833. config IRQ_CPU_RM7K
  834. bool
  835. config IRQ_MV64340
  836. bool
  837. config DDB5XXX_COMMON
  838. bool
  839. depends on DDB5074 || DDB5476 || DDB5477
  840. default y
  841. config MIPS_BOARDS_GEN
  842. bool
  843. depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
  844. default y
  845. config MIPS_GT64111
  846. bool
  847. depends on MIPS_COBALT
  848. default y
  849. config MIPS_GT64120
  850. bool
  851. depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
  852. default y
  853. config MIPS_TX3927
  854. bool
  855. depends on TOSHIBA_JMR3927
  856. select HAS_TXX9_SERIAL
  857. default y
  858. config PCI_MARVELL
  859. bool
  860. config ITE_BOARD_GEN
  861. bool
  862. depends on MIPS_IVR || MIPS_ITE8172
  863. default y
  864. config SWAP_IO_SPACE
  865. bool
  866. #
  867. # Unfortunately not all GT64120 systems run the chip at the same clock.
  868. # As the user for the clock rate and try to minimize the available options.
  869. #
  870. choice
  871. prompt "Galileo Chip Clock"
  872. #default SYSCLK_83 if MIPS_EV64120
  873. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  874. default SYSCLK_83 if MIPS_EV64120
  875. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  876. config SYSCLK_75
  877. bool "75" if MIPS_EV64120
  878. config SYSCLK_83
  879. bool "83.3" if MIPS_EV64120
  880. config SYSCLK_100
  881. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  882. endchoice
  883. config AU1X00_USB_DEVICE
  884. bool
  885. depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
  886. default n
  887. config MIPS_GT96100
  888. bool
  889. depends on MIPS_EV96100
  890. default y
  891. help
  892. Say Y here to support the Galileo Technology GT96100 communications
  893. controller card. There is a web page at <http://www.galileot.com/>.
  894. config IT8172_CIR
  895. bool
  896. depends on MIPS_ITE8172 || MIPS_IVR
  897. default y
  898. config IT8712
  899. bool
  900. depends on MIPS_ITE8172
  901. default y
  902. config BOOT_ELF32
  903. bool
  904. depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
  905. default y
  906. config MIPS_L1_CACHE_SHIFT
  907. int
  908. default "4" if MACH_DECSTATION
  909. default "7" if SGI_IP27
  910. default "5"
  911. config ARC32
  912. bool
  913. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  914. default y
  915. config HAVE_STD_PC_SERIAL_PORT
  916. bool
  917. config ARC_CONSOLE
  918. bool "ARC console support"
  919. depends on SGI_IP22 || SNI_RM200_PCI
  920. config ARC_MEMORY
  921. bool
  922. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  923. default y
  924. config ARC_PROMLIB
  925. bool
  926. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  927. default y
  928. config ARC64
  929. bool
  930. depends on SGI_IP27
  931. default y
  932. config BOOT_ELF64
  933. bool
  934. depends on SGI_IP27
  935. default y
  936. #config MAPPED_PCI_IO y
  937. # bool
  938. # depends on SGI_IP27
  939. # default y
  940. config QL_ISP_A64
  941. bool
  942. depends on SGI_IP27
  943. default y
  944. config TOSHIBA_BOARDS
  945. bool
  946. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  947. default y
  948. endmenu
  949. menu "CPU selection"
  950. choice
  951. prompt "CPU type"
  952. default CPU_R4X00
  953. config CPU_MIPS32
  954. bool "MIPS32"
  955. config CPU_MIPS64
  956. bool "MIPS64"
  957. config CPU_R3000
  958. bool "R3000"
  959. depends on MIPS32
  960. help
  961. Please make sure to pick the right CPU type. Linux/MIPS is not
  962. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  963. *not* work on R4000 machines and vice versa. However, since most
  964. of the supported machines have an R4000 (or similar) CPU, R4x00
  965. might be a safe bet. If the resulting kernel does not work,
  966. try to recompile with R3000.
  967. config CPU_TX39XX
  968. bool "R39XX"
  969. depends on MIPS32
  970. config CPU_VR41XX
  971. bool "R41xx"
  972. help
  973. The options selects support for the NEC VR41xx series of processors.
  974. Only choose this option if you have one of these processors as a
  975. kernel built with this option will not run on any other type of
  976. processor or vice versa.
  977. config CPU_R4300
  978. bool "R4300"
  979. help
  980. MIPS Technologies R4300-series processors.
  981. config CPU_R4X00
  982. bool "R4x00"
  983. help
  984. MIPS Technologies R4000-series processors other than 4300, including
  985. the R4000, R4400, R4600, and 4700.
  986. config CPU_TX49XX
  987. bool "R49XX"
  988. config CPU_R5000
  989. bool "R5000"
  990. help
  991. MIPS Technologies R5000-series processors other than the Nevada.
  992. config CPU_R5432
  993. bool "R5432"
  994. config CPU_R6000
  995. bool "R6000"
  996. depends on MIPS32 && EXPERIMENTAL
  997. help
  998. MIPS Technologies R6000 and R6000A series processors. Note these
  999. processors are extremly rare and the support for them is incomplete.
  1000. config CPU_NEVADA
  1001. bool "RM52xx"
  1002. help
  1003. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1004. config CPU_R8000
  1005. bool "R8000"
  1006. depends on MIPS64 && EXPERIMENTAL
  1007. help
  1008. MIPS Technologies R8000 processors. Note these processors are
  1009. uncommon and the support for them is incomplete.
  1010. config CPU_R10000
  1011. bool "R10000"
  1012. help
  1013. MIPS Technologies R10000-series processors.
  1014. config CPU_RM7000
  1015. bool "RM7000"
  1016. config CPU_RM9000
  1017. bool "RM9000"
  1018. config CPU_SB1
  1019. bool "SB1"
  1020. endchoice
  1021. choice
  1022. prompt "Kernel page size"
  1023. default PAGE_SIZE_4KB
  1024. config PAGE_SIZE_4KB
  1025. bool "4kB"
  1026. help
  1027. This option select the standard 4kB Linux page size. On some
  1028. R3000-family processors this is the only available page size. Using
  1029. 4kB page size will minimize memory consumption and is therefore
  1030. recommended for low memory systems.
  1031. config PAGE_SIZE_8KB
  1032. bool "8kB"
  1033. depends on EXPERIMENTAL && CPU_R8000
  1034. help
  1035. Using 8kB page size will result in higher performance kernel at
  1036. the price of higher memory consumption. This option is available
  1037. only on the R8000 processor. Not that at the time of this writing
  1038. this option is still high experimental; there are also issues with
  1039. compatibility of user applications.
  1040. config PAGE_SIZE_16KB
  1041. bool "16kB"
  1042. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1043. help
  1044. Using 16kB page size will result in higher performance kernel at
  1045. the price of higher memory consumption. This option is available on
  1046. all non-R3000 family processor. Not that at the time of this
  1047. writing this option is still high experimental; there are also
  1048. issues with compatibility of user applications.
  1049. config PAGE_SIZE_64KB
  1050. bool "64kB"
  1051. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1052. help
  1053. Using 64kB page size will result in higher performance kernel at
  1054. the price of higher memory consumption. This option is available on
  1055. all non-R3000 family processor. Not that at the time of this
  1056. writing this option is still high experimental; there are also
  1057. issues with compatibility of user applications.
  1058. endchoice
  1059. config BOARD_SCACHE
  1060. bool
  1061. config IP22_CPU_SCACHE
  1062. bool
  1063. select BOARD_SCACHE
  1064. config R5000_CPU_SCACHE
  1065. bool
  1066. select BOARD_SCACHE
  1067. config RM7000_CPU_SCACHE
  1068. bool
  1069. select BOARD_SCACHE
  1070. config SIBYTE_DMA_PAGEOPS
  1071. bool "Use DMA to clear/copy pages"
  1072. depends on CPU_SB1
  1073. help
  1074. Instead of using the CPU to zero and copy pages, use a Data Mover
  1075. channel. These DMA channels are otherwise unused by the standard
  1076. SiByte Linux port. Seems to give a small performance benefit.
  1077. config CPU_HAS_PREFETCH
  1078. bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
  1079. default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
  1080. config VTAG_ICACHE
  1081. bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
  1082. default y if CPU_SB1
  1083. config SB1_PASS_1_WORKAROUNDS
  1084. bool
  1085. depends on CPU_SB1_PASS_1
  1086. default y
  1087. config SB1_PASS_2_WORKAROUNDS
  1088. bool
  1089. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1090. default y
  1091. config SB1_PASS_2_1_WORKAROUNDS
  1092. bool
  1093. depends on CPU_SB1 && CPU_SB1_PASS_2
  1094. default y
  1095. config 64BIT_PHYS_ADDR
  1096. bool "Support for 64-bit physical address space"
  1097. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
  1098. config CPU_ADVANCED
  1099. bool "Override CPU Options"
  1100. depends on MIPS32
  1101. help
  1102. Saying yes here allows you to select support for various features
  1103. your CPU may or may not have. Most people should say N here.
  1104. config CPU_HAS_LLSC
  1105. bool "ll/sc Instructions available" if CPU_ADVANCED
  1106. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
  1107. help
  1108. MIPS R4000 series and later provide the Load Linked (ll)
  1109. and Store Conditional (sc) instructions. More information is
  1110. available at <http://www.go-ecs.com/mips/miptek1.htm>.
  1111. Say Y here if your CPU has the ll and sc instructions. Say Y here
  1112. for better performance, N if you don't know. You must say Y here
  1113. for multiprocessor machines.
  1114. config CPU_HAS_LLDSCD
  1115. bool "lld/scd Instructions available" if CPU_ADVANCED
  1116. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
  1117. help
  1118. Say Y here if your CPU has the lld and scd instructions, the 64-bit
  1119. equivalents of ll and sc. Say Y here for better performance, N if
  1120. you don't know. You must say Y here for multiprocessor machines.
  1121. config CPU_HAS_WB
  1122. bool "Writeback Buffer available" if CPU_ADVANCED
  1123. default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
  1124. help
  1125. Say N here for slightly better performance. You must say Y here for
  1126. machines which require flushing of write buffers in software. Saying
  1127. Y is the safe option; N may result in kernel malfunction and crashes.
  1128. config CPU_HAS_SYNC
  1129. bool
  1130. depends on !CPU_R3000
  1131. default y
  1132. #
  1133. # - Highmem only makes sense for the 32-bit kernel.
  1134. # - The current highmem code will only work properly on physically indexed
  1135. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1136. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1137. # moment we protect the user and offer the highmem option only on machines
  1138. # where it's known to be safe. This will not offer highmem on a few systems
  1139. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1140. # indexed CPUs but we're playing safe.
  1141. # - We should not offer highmem for system of which we already know that they
  1142. # don't have memory configurations that could gain from highmem support in
  1143. # the kernel because they don't support configurations with RAM at physical
  1144. # addresses > 0x20000000.
  1145. #
  1146. config HIGHMEM
  1147. bool "High Memory Support"
  1148. depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
  1149. config ARCH_FLATMEM_ENABLE
  1150. def_bool y
  1151. depends on !NUMA
  1152. source "mm/Kconfig"
  1153. config SMP
  1154. bool "Multi-Processing support"
  1155. depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
  1156. ---help---
  1157. This enables support for systems with more than one CPU. If you have
  1158. a system with only one CPU, like most personal computers, say N. If
  1159. you have a system with more than one CPU, say Y.
  1160. If you say N here, the kernel will run on single and multiprocessor
  1161. machines, but will use only one CPU of a multiprocessor machine. If
  1162. you say Y here, the kernel will run on many, but not all,
  1163. singleprocessor machines. On a singleprocessor machine, the kernel
  1164. will run faster if you say N here.
  1165. People using multiprocessor machines who say Y here should also say
  1166. Y to "Enhanced Real Time Clock Support", below.
  1167. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1168. available at <http://www.tldp.org/docs.html#howto>.
  1169. If you don't know what to do here, say N.
  1170. config NR_CPUS
  1171. int "Maximum number of CPUs (2-64)"
  1172. range 2 64
  1173. depends on SMP
  1174. default "64" if SGI_IP27
  1175. default "2"
  1176. help
  1177. This allows you to specify the maximum number of CPUs which this
  1178. kernel will support. The maximum supported value is 32 for 32-bit
  1179. kernel and 64 for 64-bit kernels; the minimum value which makes
  1180. sense is 2.
  1181. This is purely to save memory - each supported CPU adds
  1182. approximately eight kilobytes to the kernel image.
  1183. config PREEMPT
  1184. bool "Preemptible Kernel"
  1185. help
  1186. This option reduces the latency of the kernel when reacting to
  1187. real-time or interactive events by allowing a low priority process to
  1188. be preempted even if it is in kernel mode executing a system call.
  1189. This allows applications to run more reliably even when the system is
  1190. under load.
  1191. config RTC_DS1742
  1192. bool "DS1742 BRAM/RTC support"
  1193. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1194. config MIPS_INSANE_LARGE
  1195. bool "Support for large 64-bit configurations"
  1196. depends on CPU_R10000 && MIPS64
  1197. help
  1198. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1199. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1200. need processes of more than 1TB virtual address space, say Y here.
  1201. This will result in additional memory usage, so it is not
  1202. recommended for normal users.
  1203. config RWSEM_GENERIC_SPINLOCK
  1204. bool
  1205. default y
  1206. endmenu
  1207. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1208. config HW_HAS_PCI
  1209. bool
  1210. config PCI
  1211. bool "Support for PCI controller"
  1212. depends on HW_HAS_PCI
  1213. help
  1214. Find out whether you have a PCI motherboard. PCI is the name of a
  1215. bus system, i.e. the way the CPU talks to the other stuff inside
  1216. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1217. say Y, otherwise N.
  1218. The PCI-HOWTO, available from
  1219. <http://www.tldp.org/docs.html#howto>, contains valuable
  1220. information about which PCI hardware does work under Linux and which
  1221. doesn't.
  1222. config PCI_DOMAINS
  1223. bool
  1224. depends on PCI
  1225. source "drivers/pci/Kconfig"
  1226. #
  1227. # ISA support is now enabled via select. Too many systems still have the one
  1228. # or other ISA chip on the board that users don't know about so don't expect
  1229. # users to choose the right thing ...
  1230. #
  1231. config ISA
  1232. bool
  1233. config EISA
  1234. bool "EISA support"
  1235. depends on SGI_IP22 || SNI_RM200_PCI
  1236. select ISA
  1237. ---help---
  1238. The Extended Industry Standard Architecture (EISA) bus was
  1239. developed as an open alternative to the IBM MicroChannel bus.
  1240. The EISA bus provided some of the features of the IBM MicroChannel
  1241. bus while maintaining backward compatibility with cards made for
  1242. the older ISA bus. The EISA bus saw limited use between 1988 and
  1243. 1995 when it was made obsolete by the PCI bus.
  1244. Say Y here if you are building a kernel for an EISA-based machine.
  1245. Otherwise, say N.
  1246. source "drivers/eisa/Kconfig"
  1247. config TC
  1248. bool "TURBOchannel support"
  1249. depends on MACH_DECSTATION
  1250. help
  1251. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1252. processors. Documentation on writing device drivers for TurboChannel
  1253. is available at:
  1254. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1255. #config ACCESSBUS
  1256. # bool "Access.Bus support"
  1257. # depends on TC
  1258. config MMU
  1259. bool
  1260. default y
  1261. config MCA
  1262. bool
  1263. config SBUS
  1264. bool
  1265. source "drivers/pcmcia/Kconfig"
  1266. source "drivers/pci/hotplug/Kconfig"
  1267. endmenu
  1268. menu "Executable file formats"
  1269. source "fs/Kconfig.binfmt"
  1270. config TRAD_SIGNALS
  1271. bool
  1272. default y if MIPS32
  1273. config BUILD_ELF64
  1274. bool "Use 64-bit ELF format for building"
  1275. depends on MIPS64
  1276. help
  1277. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1278. format as it's one that allows arbitrary 64-bit constructs. For
  1279. kernels that are loaded within the KSEG compatibility segments the
  1280. 32-bit ELF format can optionally be used resulting in a somewhat
  1281. smaller binary, but this option is not explicitly supported by the
  1282. toolchain and since binutils 2.14 it does not even work at all.
  1283. Say Y to use the 64-bit format or N to use the 32-bit one.
  1284. If unsure say Y.
  1285. config BINFMT_IRIX
  1286. bool "Include IRIX binary compatibility"
  1287. depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
  1288. config MIPS32_COMPAT
  1289. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1290. depends on MIPS64
  1291. help
  1292. Select this option if you want Linux/MIPS 32-bit binary
  1293. compatibility. Since all software available for Linux/MIPS is
  1294. currently 32-bit you should say Y here.
  1295. config COMPAT
  1296. bool
  1297. depends on MIPS32_COMPAT
  1298. default y
  1299. config MIPS32_O32
  1300. bool "Kernel support for o32 binaries"
  1301. depends on MIPS32_COMPAT
  1302. help
  1303. Select this option if you want to run o32 binaries. These are pure
  1304. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1305. existing binaries are in this format.
  1306. If unsure, say Y.
  1307. config MIPS32_N32
  1308. bool "Kernel support for n32 binaries"
  1309. depends on MIPS32_COMPAT
  1310. help
  1311. Select this option if you want to run n32 binaries. These are
  1312. 64-bit binaries using 32-bit quantities for addressing and certain
  1313. data that would normally be 64-bit. They are used in special
  1314. cases.
  1315. If unsure, say N.
  1316. config BINFMT_ELF32
  1317. bool
  1318. default y if MIPS32_O32 || MIPS32_N32
  1319. config PM
  1320. bool "Power Management support (EXPERIMENTAL)"
  1321. depends on EXPERIMENTAL && MACH_AU1X00
  1322. endmenu
  1323. source "net/Kconfig"
  1324. source "drivers/Kconfig"
  1325. source "fs/Kconfig"
  1326. source "arch/mips/Kconfig.debug"
  1327. source "security/Kconfig"
  1328. source "crypto/Kconfig"
  1329. source "lib/Kconfig"
  1330. #
  1331. # Use the generic interrupt handling code in kernel/irq/:
  1332. #
  1333. config GENERIC_HARDIRQS
  1334. bool
  1335. default y
  1336. config GENERIC_IRQ_PROBE
  1337. bool
  1338. default y
  1339. config ISA_DMA_API
  1340. bool
  1341. default y