Kconfig 41 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. mainmenu "Linux/MIPS Kernel Configuration"
  7. source "init/Kconfig"
  8. menu "Kernel type"
  9. choice
  10. prompt "Kernel code model"
  11. help
  12. You should only select this option if you have a workload that
  13. actually benefits from 64-bit processing or if your machine has
  14. large memory. You will only be presented a single option in this
  15. menu if your system does not support both 32-bit and 64-bit kernels.
  16. config 32BIT
  17. bool "32-bit kernel"
  18. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  19. select TRAD_SIGNALS
  20. help
  21. Select this option if you want to build a 32-bit kernel.
  22. config 64BIT
  23. bool "64-bit kernel"
  24. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  25. help
  26. Select this option if you want to build a 64-bit kernel.
  27. endchoice
  28. endmenu
  29. menu "Machine selection"
  30. config MACH_JAZZ
  31. bool "Support for the Jazz family of machines"
  32. select ARC
  33. select ARC32
  34. select GENERIC_ISA_DMA
  35. select I8259
  36. select ISA
  37. help
  38. This a family of machines based on the MIPS R4030 chipset which was
  39. used by several vendors to build RISC/os and Windows NT workstations.
  40. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  41. Olivetti M700-10 workstations.
  42. config ACER_PICA_61
  43. bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
  44. depends on MACH_JAZZ && EXPERIMENTAL
  45. select DMA_NONCOHERENT
  46. help
  47. This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
  48. kernel that runs on these, say Y here. For details about Linux on
  49. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  50. <http://www.linux-mips.org/>.
  51. config MIPS_MAGNUM_4000
  52. bool "Support for MIPS Magnum 4000"
  53. depends on MACH_JAZZ
  54. select DMA_NONCOHERENT
  55. help
  56. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  57. kernel that runs on these, say Y here. For details about Linux on
  58. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  59. <http://www.linux-mips.org/>.
  60. config OLIVETTI_M700
  61. bool "Support for Olivetti M700-10"
  62. depends on MACH_JAZZ
  63. select DMA_NONCOHERENT
  64. help
  65. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  66. kernel that runs on these, say Y here. For details about Linux on
  67. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  68. <http://www.linux-mips.org/>.
  69. config MACH_VR41XX
  70. bool "Support for NEC VR4100 series based machines"
  71. config NEC_CMBVR4133
  72. bool "Support for NEC CMB-VR4133"
  73. depends on MACH_VR41XX
  74. select CPU_VR41XX
  75. select DMA_NONCOHERENT
  76. select IRQ_CPU
  77. select HW_HAS_PCI
  78. config ROCKHOPPER
  79. bool "Support for Rockhopper baseboard"
  80. depends on NEC_CMBVR4133
  81. select I8259
  82. select HAVE_STD_PC_SERIAL_PORT
  83. config CASIO_E55
  84. bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
  85. depends on MACH_VR41XX
  86. select CPU_LITTLE_ENDIAN
  87. select DMA_NONCOHERENT
  88. select IRQ_CPU
  89. select ISA
  90. config IBM_WORKPAD
  91. bool "Support for IBM WorkPad z50"
  92. depends on MACH_VR41XX
  93. select CPU_LITTLE_ENDIAN
  94. select DMA_NONCOHERENT
  95. select IRQ_CPU
  96. select ISA
  97. config TANBAC_TB022X
  98. bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
  99. depends on MACH_VR41XX
  100. select CPU_LITTLE_ENDIAN
  101. select DMA_NONCOHERENT
  102. select IRQ_CPU
  103. select HW_HAS_PCI
  104. help
  105. The TANBAC VR4131 multichip module(TB0225) and
  106. the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
  107. manufactured by TANBAC.
  108. Please refer to <http://www.tanbac.co.jp/>
  109. about VR4131 multichip module and VR4131DIMM.
  110. config TANBAC_TB0226
  111. bool "Support for TANBAC Mbase(TB0226)"
  112. depends on TANBAC_TB022X
  113. select GPIO_VR41XX
  114. help
  115. The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
  116. Please refer to <http://www.tanbac.co.jp/> about Mbase.
  117. config VICTOR_MPC30X
  118. bool "Support for Victor MP-C303/304"
  119. depends on MACH_VR41XX
  120. select CPU_LITTLE_ENDIAN
  121. select DMA_NONCOHERENT
  122. select IRQ_CPU
  123. select HW_HAS_PCI
  124. config ZAO_CAPCELLA
  125. bool "Support for ZAO Networks Capcella"
  126. depends on MACH_VR41XX
  127. select CPU_LITTLE_ENDIAN
  128. select DMA_NONCOHERENT
  129. select IRQ_CPU
  130. select HW_HAS_PCI
  131. config PCI_VR41XX
  132. bool "Add PCI control unit support of NEC VR4100 series"
  133. depends on MACH_VR41XX && HW_HAS_PCI
  134. default y
  135. select PCI
  136. config VRC4173
  137. tristate "Add NEC VRC4173 companion chip support"
  138. depends on MACH_VR41XX && PCI_VR41XX
  139. ---help---
  140. The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
  141. config TOSHIBA_JMR3927
  142. bool "Support for Toshiba JMR-TX3927 board"
  143. depends on 32BIT
  144. select DMA_NONCOHERENT
  145. select HW_HAS_PCI
  146. select SWAP_IO_SPACE
  147. config MIPS_COBALT
  148. bool "Support for Cobalt Server (EXPERIMENTAL)"
  149. depends on EXPERIMENTAL
  150. select DMA_NONCOHERENT
  151. select HW_HAS_PCI
  152. select I8259
  153. select IRQ_CPU
  154. config MACH_DECSTATION
  155. bool "Support for DECstations"
  156. select BOOT_ELF32
  157. select DMA_NONCOHERENT
  158. select IRQ_CPU
  159. depends on 32BIT || EXPERIMENTAL
  160. ---help---
  161. This enables support for DEC's MIPS based workstations. For details
  162. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  163. DECstation porting pages on <http://decstation.unix-ag.org/>.
  164. If you have one of the following DECstation Models you definitely
  165. want to choose R4xx0 for the CPU Type:
  166. DECstation 5000/50
  167. DECstation 5000/150
  168. DECstation 5000/260
  169. DECsystem 5900/260
  170. otherwise choose R3000.
  171. config MIPS_EV64120
  172. bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  173. depends on EXPERIMENTAL
  174. select DMA_NONCOHERENT
  175. select HW_HAS_PCI
  176. select MIPS_GT64120
  177. help
  178. This is an evaluation board based on the Galileo GT-64120
  179. single-chip system controller that contains a MIPS R5000 compatible
  180. core running at 75/100MHz. Their website is located at
  181. <http://www.marvell.com/>. Say Y here if you wish to build a
  182. kernel for this platform.
  183. config EVB_PCI1
  184. bool "Enable Second PCI (PCI1)"
  185. depends on MIPS_EV64120
  186. config MIPS_EV96100
  187. bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
  188. depends on EXPERIMENTAL
  189. select DMA_NONCOHERENT
  190. select HW_HAS_PCI
  191. select IRQ_CPU
  192. select MIPS_GT96100
  193. select RM7000_CPU_SCACHE
  194. select SWAP_IO_SPACE
  195. help
  196. This is an evaluation board based on the Galileo GT-96100 LAN/WAN
  197. communications controllers containing a MIPS R5000 compatible core
  198. running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
  199. here if you wish to build a kernel for this platform.
  200. config MIPS_IVR
  201. bool "Support for Globespan IVR board"
  202. select DMA_NONCOHERENT
  203. select HW_HAS_PCI
  204. help
  205. This is an evaluation board built by Globespan to showcase thir
  206. iVR (Internet Video Recorder) design. It utilizes a QED RM5231
  207. R5000 MIPS core. More information can be found out their website
  208. located at <http://www.globespan.net/>. Say Y here if you wish to
  209. build a kernel for this platform.
  210. config LASAT
  211. bool "Support for LASAT Networks platforms"
  212. select DMA_NONCOHERENT
  213. select HW_HAS_PCI
  214. select MIPS_GT64120
  215. select R5000_CPU_SCACHE
  216. config PICVUE
  217. tristate "PICVUE LCD display driver"
  218. depends on LASAT
  219. config PICVUE_PROC
  220. tristate "PICVUE LCD display driver /proc interface"
  221. depends on PICVUE
  222. config DS1603
  223. bool "DS1603 RTC driver"
  224. depends on LASAT
  225. config LASAT_SYSCTL
  226. bool "LASAT sysctl interface"
  227. depends on LASAT
  228. config MIPS_ITE8172
  229. bool "Support for ITE 8172G board"
  230. select DMA_NONCOHERENT
  231. select HW_HAS_PCI
  232. help
  233. Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
  234. with ATX form factor that utilizes a MIPS R5000 to work with its
  235. ITE8172G companion internet appliance chip. The MIPS core can be
  236. either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
  237. a kernel for this platform.
  238. config IT8172_REVC
  239. bool "Support for older IT8172 (Rev C)"
  240. depends on MIPS_ITE8172
  241. help
  242. Say Y here to support the older, Revision C version of the Integrated
  243. Technology Express, Inc. ITE8172 SBC. Vendor page at
  244. <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
  245. board at <http://www.mvista.com/partners/semiconductor/ite.html>.
  246. config MIPS_ATLAS
  247. bool "Support for MIPS Atlas board"
  248. select BOOT_ELF32
  249. select DMA_NONCOHERENT
  250. select HW_HAS_PCI
  251. select MIPS_GT64120
  252. select SWAP_IO_SPACE
  253. help
  254. This enables support for the QED R5231-based MIPS Atlas evaluation
  255. board.
  256. config MIPS_MALTA
  257. bool "Support for MIPS Malta board"
  258. select BOOT_ELF32
  259. select HAVE_STD_PC_SERIAL_PORT
  260. select DMA_NONCOHERENT
  261. select GENERIC_ISA_DMA
  262. select HW_HAS_PCI
  263. select I8259
  264. select MIPS_GT64120
  265. select SWAP_IO_SPACE
  266. help
  267. This enables support for the VR5000-based MIPS Malta evaluation
  268. board.
  269. config MIPS_SEAD
  270. bool "Support for MIPS SEAD board (EXPERIMENTAL)"
  271. depends on EXPERIMENTAL
  272. select IRQ_CPU
  273. select DMA_NONCOHERENT
  274. config MOMENCO_OCELOT
  275. bool "Support for Momentum Ocelot board"
  276. select DMA_NONCOHERENT
  277. select HW_HAS_PCI
  278. select IRQ_CPU
  279. select IRQ_CPU_RM7K
  280. select MIPS_GT64120
  281. select RM7000_CPU_SCACHE
  282. select SWAP_IO_SPACE
  283. help
  284. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  285. Momentum Computer <http://www.momenco.com/>.
  286. config MOMENCO_OCELOT_G
  287. bool "Support for Momentum Ocelot-G board"
  288. select DMA_NONCOHERENT
  289. select HW_HAS_PCI
  290. select IRQ_CPU
  291. select IRQ_CPU_RM7K
  292. select PCI_MARVELL
  293. select RM7000_CPU_SCACHE
  294. select SWAP_IO_SPACE
  295. help
  296. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  297. Momentum Computer <http://www.momenco.com/>.
  298. config MOMENCO_OCELOT_C
  299. bool "Support for Momentum Ocelot-C board"
  300. select DMA_NONCOHERENT
  301. select HW_HAS_PCI
  302. select IRQ_CPU
  303. select IRQ_MV64340
  304. select PCI_MARVELL
  305. select RM7000_CPU_SCACHE
  306. select SWAP_IO_SPACE
  307. help
  308. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  309. Momentum Computer <http://www.momenco.com/>.
  310. config MOMENCO_OCELOT_3
  311. bool "Support for Momentum Ocelot-3 board"
  312. select BOOT_ELF32
  313. select DMA_NONCOHERENT
  314. select HW_HAS_PCI
  315. select IRQ_CPU
  316. select IRQ_CPU_RM7K
  317. select IRQ_MV64340
  318. select PCI_MARVELL
  319. select RM7000_CPU_SCACHE
  320. select SWAP_IO_SPACE
  321. help
  322. The Ocelot-3 is based off Discovery III System Controller and
  323. PMC-Sierra Rm79000 core.
  324. config MOMENCO_JAGUAR_ATX
  325. bool "Support for Momentum Jaguar board"
  326. select BOOT_ELF32
  327. select DMA_NONCOHERENT
  328. select HW_HAS_PCI
  329. select IRQ_CPU
  330. select IRQ_CPU_RM7K
  331. select IRQ_MV64340
  332. select LIMITED_DMA
  333. select PCI_MARVELL
  334. select RM7000_CPU_SCACHE
  335. select SWAP_IO_SPACE
  336. help
  337. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  338. Momentum Computer <http://www.momenco.com/>.
  339. config JAGUAR_DMALOW
  340. bool "Low DMA Mode"
  341. depends on MOMENCO_JAGUAR_ATX
  342. help
  343. Select to Y if jump JP5 is set on your board, N otherwise. Normally
  344. the jumper is set, so if you feel unsafe, just say Y.
  345. config PMC_YOSEMITE
  346. bool "Support for PMC-Sierra Yosemite eval board"
  347. select DMA_COHERENT
  348. select HW_HAS_PCI
  349. select IRQ_CPU
  350. select IRQ_CPU_RM7K
  351. select IRQ_CPU_RM9K
  352. select SWAP_IO_SPACE
  353. help
  354. Yosemite is an evaluation board for the RM9000x2 processor
  355. manufactured by PMC-Sierra
  356. config HYPERTRANSPORT
  357. bool "Hypertransport Support for PMC-Sierra Yosemite"
  358. depends on PMC_YOSEMITE
  359. config DDB5074
  360. bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
  361. depends on EXPERIMENTAL
  362. select DMA_NONCOHERENT
  363. select HAVE_STD_PC_SERIAL_PORT
  364. select HW_HAS_PCI
  365. select IRQ_CPU
  366. select I8259
  367. select ISA
  368. help
  369. This enables support for the VR5000-based NEC DDB Vrc-5074
  370. evaluation board.
  371. config DDB5476
  372. bool "Support for NEC DDB Vrc-5476"
  373. select DMA_NONCOHERENT
  374. select HAVE_STD_PC_SERIAL_PORT
  375. select HW_HAS_PCI
  376. select IRQ_CPU
  377. select I8259
  378. select ISA
  379. help
  380. This enables support for the R5432-based NEC DDB Vrc-5476
  381. evaluation board.
  382. Features : kernel debugging, serial terminal, NFS root fs, on-board
  383. ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
  384. IDE controller, PS2 keyboard, PS2 mouse, etc.
  385. config DDB5477
  386. bool "Support for NEC DDB Vrc-5477"
  387. select DMA_NONCOHERENT
  388. select HW_HAS_PCI
  389. select I8259
  390. select IRQ_CPU
  391. help
  392. This enables support for the R5432-based NEC DDB Vrc-5477,
  393. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  394. Features : kernel debugging, serial terminal, NFS root fs, on-board
  395. ether port USB, AC97, PCI, etc.
  396. config DDB5477_BUS_FREQUENCY
  397. int "bus frequency (in kHZ, 0 for auto-detect)"
  398. depends on DDB5477
  399. default 0
  400. config QEMU
  401. bool "Support for Qemu"
  402. select DMA_COHERENT
  403. select GENERIC_ISA_DMA
  404. select HAVE_STD_PC_SERIAL_PORT
  405. select I8259
  406. select ISA
  407. select SWAP_IO_SPACE
  408. select SYS_SUPPORTS_32BIT_KERNEL
  409. select SYS_SUPPORTS_BIG_ENDIAN
  410. help
  411. Qemu is a software emulator which among other architectures also
  412. can simulate a MIPS32 4Kc system. This patch adds support for the
  413. system architecture that currently is being simulated by Qemu. It
  414. will eventually be removed again when Qemu has the capability to
  415. simulate actual MIPS hardware platforms. More information on Qemu
  416. can be found at http://www.linux-mips.org/wiki/Qemu.
  417. config SGI_IP22
  418. bool "Support for SGI IP22 (Indy/Indigo2)"
  419. select ARC
  420. select ARC32
  421. select BOOT_ELF32
  422. select DMA_NONCOHERENT
  423. select IP22_CPU_SCACHE
  424. select IRQ_CPU
  425. select SWAP_IO_SPACE
  426. help
  427. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  428. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  429. that runs on these, say Y here.
  430. config SGI_IP27
  431. bool "Support for SGI IP27 (Origin200/2000)"
  432. depends on 64BIT
  433. select ARC
  434. select ARC64
  435. select DMA_IP27
  436. select HW_HAS_PCI
  437. select PCI_DOMAINS
  438. help
  439. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  440. workstations. To compile a Linux kernel that runs on these, say Y
  441. here.
  442. #config SGI_SN0_XXL
  443. # bool "IP27 XXL"
  444. # depends on SGI_IP27
  445. # This options adds support for userspace processes upto 16TB size.
  446. # Normally the limit is just .5TB.
  447. config SGI_SN0_N_MODE
  448. bool "IP27 N-Mode"
  449. depends on SGI_IP27
  450. help
  451. The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
  452. configured in either N-Modes which allows for more nodes or M-Mode
  453. which allows for more memory. Your system is most probably
  454. running in M-Mode, so you should say N here.
  455. config ARCH_DISCONTIGMEM_ENABLE
  456. bool
  457. default y if SGI_IP27
  458. help
  459. Say Y to upport efficient handling of discontiguous physical memory,
  460. for architectures which are either NUMA (Non-Uniform Memory Access)
  461. or have huge holes in the physical address space for other reasons.
  462. See <file:Documentation/vm/numa> for more.
  463. config NUMA
  464. bool "NUMA Support"
  465. depends on SGI_IP27
  466. help
  467. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  468. Access). This option is for configuring high-end multiprocessor
  469. server machines. If in doubt, say N.
  470. config MAPPED_KERNEL
  471. bool "Mapped kernel support"
  472. depends on SGI_IP27
  473. help
  474. Change the way a Linux kernel is loaded into memory on a MIPS64
  475. machine. This is required in order to support text replication and
  476. NUMA. If you need to understand it, read the source code.
  477. config REPLICATE_KTEXT
  478. bool "Kernel text replication support"
  479. depends on SGI_IP27
  480. help
  481. Say Y here to enable replicating the kernel text across multiple
  482. nodes in a NUMA cluster. This trades memory for speed.
  483. config REPLICATE_EXHANDLERS
  484. bool "Exception handler replication support"
  485. depends on SGI_IP27
  486. help
  487. Say Y here to enable replicating the kernel exception handlers
  488. across multiple nodes in a NUMA cluster. This trades memory for
  489. speed.
  490. config SGI_IP32
  491. bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
  492. depends on 64BIT && EXPERIMENTAL
  493. select ARC
  494. select ARC32
  495. select BOOT_ELF32
  496. select OWN_DMA
  497. select DMA_IP32
  498. select DMA_NONCOHERENT
  499. select HW_HAS_PCI
  500. select R5000_CPU_SCACHE
  501. select RM7000_CPU_SCACHE
  502. help
  503. If you want this kernel to run on SGI O2 workstation, say Y here.
  504. config SOC_AU1X00
  505. depends on 32BIT
  506. bool "Support for AMD/Alchemy Au1X00 SOCs"
  507. choice
  508. prompt "Au1X00 SOC Type"
  509. depends on SOC_AU1X00
  510. help
  511. Say Y here to enable support for one of three AMD/Alchemy
  512. SOCs. For additional documentation see www.amd.com.
  513. config SOC_AU1000
  514. bool "SOC_AU1000"
  515. config SOC_AU1100
  516. bool "SOC_AU1100"
  517. config SOC_AU1500
  518. bool "SOC_AU1500"
  519. config SOC_AU1550
  520. bool "SOC_AU1550"
  521. endchoice
  522. choice
  523. prompt "AMD/Alchemy Au1x00 board support"
  524. depends on SOC_AU1X00
  525. help
  526. These are evaluation boards built by AMD/Alchemy to
  527. showcase their Au1X00 Internet Edge Processors. The SOC design
  528. is based on the MIPS32 architecture running at 266/400/500MHz
  529. with many integrated peripherals. Further information can be
  530. found at their website, <http://www.amd.com/>. Say Y here if you
  531. wish to build a kernel for this platform.
  532. config MIPS_PB1000
  533. bool "PB1000 board"
  534. depends on SOC_AU1000
  535. select DMA_NONCOHERENT
  536. select HW_HAS_PCI
  537. select SWAP_IO_SPACE
  538. config MIPS_PB1100
  539. bool "PB1100 board"
  540. depends on SOC_AU1100
  541. select DMA_NONCOHERENT
  542. select HW_HAS_PCI
  543. select SWAP_IO_SPACE
  544. config MIPS_PB1500
  545. bool "PB1500 board"
  546. depends on SOC_AU1500
  547. select DMA_COHERENT
  548. select HW_HAS_PCI
  549. config MIPS_PB1550
  550. bool "PB1550 board"
  551. depends on SOC_AU1550
  552. select DMA_COHERENT
  553. select HW_HAS_PCI
  554. select MIPS_DISABLE_OBSOLETE_IDE
  555. config MIPS_DB1000
  556. bool "DB1000 board"
  557. depends on SOC_AU1000
  558. select DMA_NONCOHERENT
  559. select HW_HAS_PCI
  560. config MIPS_DB1100
  561. bool "DB1100 board"
  562. depends on SOC_AU1100
  563. select DMA_NONCOHERENT
  564. config MIPS_DB1500
  565. bool "DB1500 board"
  566. depends on SOC_AU1500
  567. select DMA_COHERENT
  568. select HW_HAS_PCI
  569. select MIPS_DISABLE_OBSOLETE_IDE
  570. config MIPS_DB1550
  571. bool "DB1550 board"
  572. depends on SOC_AU1550
  573. select HW_HAS_PCI
  574. select DMA_COHERENT
  575. select MIPS_DISABLE_OBSOLETE_IDE
  576. config MIPS_BOSPORUS
  577. bool "Bosporus board"
  578. depends on SOC_AU1500
  579. select DMA_NONCOHERENT
  580. config MIPS_MIRAGE
  581. bool "Mirage board"
  582. depends on SOC_AU1500
  583. select DMA_NONCOHERENT
  584. config MIPS_XXS1500
  585. bool "MyCable XXS1500 board"
  586. depends on SOC_AU1500
  587. select DMA_NONCOHERENT
  588. config MIPS_MTX1
  589. bool "4G Systems MTX-1 board"
  590. depends on SOC_AU1500
  591. select HW_HAS_PCI
  592. select DMA_NONCOHERENT
  593. endchoice
  594. config SIBYTE_SB1xxx_SOC
  595. bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
  596. depends on EXPERIMENTAL
  597. select BOOT_ELF32
  598. select DMA_COHERENT
  599. select SWAP_IO_SPACE
  600. choice
  601. prompt "BCM1xxx SOC-based board"
  602. depends on SIBYTE_SB1xxx_SOC
  603. default SIBYTE_SWARM
  604. help
  605. Enable support for boards based on the SiByte line of SOCs
  606. from Broadcom. There are configurations for the known
  607. evaluation boards, or you can choose "Other" and add your
  608. own board support code.
  609. config SIBYTE_SWARM
  610. bool "BCM91250A-SWARM"
  611. select SIBYTE_SB1250
  612. config SIBYTE_SENTOSA
  613. bool "BCM91250E-Sentosa"
  614. select SIBYTE_SB1250
  615. config SIBYTE_RHONE
  616. bool "BCM91125E-Rhone"
  617. select SIBYTE_BCM1125H
  618. config SIBYTE_CARMEL
  619. bool "BCM91120x-Carmel"
  620. select SIBYTE_BCM1120
  621. config SIBYTE_PTSWARM
  622. bool "BCM91250PT-PTSWARM"
  623. select SIBYTE_SB1250
  624. config SIBYTE_LITTLESUR
  625. bool "BCM91250C2-LittleSur"
  626. select SIBYTE_SB1250
  627. config SIBYTE_CRHINE
  628. bool "BCM91120C-CRhine"
  629. select SIBYTE_BCM1120
  630. config SIBYTE_CRHONE
  631. bool "BCM91125C-CRhone"
  632. select SIBYTE_BCM1125
  633. config SIBYTE_UNKNOWN
  634. bool "Other"
  635. endchoice
  636. config SIBYTE_BOARD
  637. bool
  638. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
  639. default y
  640. choice
  641. prompt "BCM1xxx SOC Type"
  642. depends on SIBYTE_UNKNOWN
  643. default SIBYTE_UNK_BCM1250
  644. help
  645. Since you haven't chosen a known evaluation board from
  646. Broadcom, you must explicitly pick the SOC this kernel is
  647. targetted for.
  648. config SIBYTE_UNK_BCM1250
  649. bool "BCM1250"
  650. select SIBYTE_SB1250
  651. config SIBYTE_UNK_BCM1120
  652. bool "BCM1120"
  653. select SIBYTE_BCM1120
  654. config SIBYTE_UNK_BCM1125
  655. bool "BCM1125"
  656. select SIBYTE_BCM1125
  657. config SIBYTE_UNK_BCM1125H
  658. bool "BCM1125H"
  659. select SIBYTE_BCM1125H
  660. endchoice
  661. config SIBYTE_SB1250
  662. bool
  663. select HW_HAS_PCI
  664. config SIBYTE_BCM1120
  665. bool
  666. select SIBYTE_BCM112X
  667. config SIBYTE_BCM1125
  668. bool
  669. select HW_HAS_PCI
  670. select SIBYTE_BCM112X
  671. config SIBYTE_BCM1125H
  672. bool
  673. select HW_HAS_PCI
  674. select SIBYTE_BCM112X
  675. config SIBYTE_BCM112X
  676. bool
  677. choice
  678. prompt "SiByte SOC Stepping"
  679. depends on SIBYTE_SB1xxx_SOC
  680. config CPU_SB1_PASS_1
  681. bool "1250 Pass1"
  682. depends on SIBYTE_SB1250
  683. select CPU_HAS_PREFETCH
  684. config CPU_SB1_PASS_2_1250
  685. bool "1250 An"
  686. depends on SIBYTE_SB1250
  687. select CPU_SB1_PASS_2
  688. help
  689. Also called BCM1250 Pass 2
  690. config CPU_SB1_PASS_2_2
  691. bool "1250 Bn"
  692. depends on SIBYTE_SB1250
  693. select CPU_HAS_PREFETCH
  694. help
  695. Also called BCM1250 Pass 2.2
  696. config CPU_SB1_PASS_4
  697. bool "1250 Cn"
  698. depends on SIBYTE_SB1250
  699. select CPU_HAS_PREFETCH
  700. help
  701. Also called BCM1250 Pass 3
  702. config CPU_SB1_PASS_2_112x
  703. bool "112x Hybrid"
  704. depends on SIBYTE_BCM112X
  705. select CPU_SB1_PASS_2
  706. config CPU_SB1_PASS_3
  707. bool "112x An"
  708. depends on SIBYTE_BCM112X
  709. select CPU_HAS_PREFETCH
  710. endchoice
  711. config CPU_SB1_PASS_2
  712. bool
  713. config SIBYTE_HAS_LDT
  714. bool
  715. depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
  716. default y
  717. config SIMULATION
  718. bool "Running under simulation"
  719. depends on SIBYTE_SB1xxx_SOC
  720. help
  721. Build a kernel suitable for running under the GDB simulator.
  722. Primarily adjusts the kernel's notion of time.
  723. config SIBYTE_CFE
  724. bool "Booting from CFE"
  725. depends on SIBYTE_SB1xxx_SOC
  726. help
  727. Make use of the CFE API for enumerating available memory,
  728. controlling secondary CPUs, and possibly console output.
  729. config SIBYTE_CFE_CONSOLE
  730. bool "Use firmware console"
  731. depends on SIBYTE_CFE
  732. help
  733. Use the CFE API's console write routines during boot. Other console
  734. options (VT console, sb1250 duart console, etc.) should not be
  735. configured.
  736. config SIBYTE_STANDALONE
  737. bool
  738. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
  739. default y
  740. config SIBYTE_STANDALONE_RAM_SIZE
  741. int "Memory size (in megabytes)"
  742. depends on SIBYTE_STANDALONE
  743. default "32"
  744. config SIBYTE_BUS_WATCHER
  745. bool "Support for Bus Watcher statistics"
  746. depends on SIBYTE_SB1xxx_SOC
  747. help
  748. Handle and keep statistics on the bus error interrupts (COR_ECC,
  749. BAD_ECC, IO_BUS).
  750. config SIBYTE_BW_TRACE
  751. bool "Capture bus trace before bus error"
  752. depends on SIBYTE_BUS_WATCHER
  753. help
  754. Run a continuous bus trace, dumping the raw data as soon as
  755. a ZBbus error is detected. Cannot work if ZBbus profiling
  756. is turned on, and also will interfere with JTAG-based trace
  757. buffer activity. Raw buffer data is dumped to console, and
  758. must be processed off-line.
  759. config SIBYTE_SB1250_PROF
  760. bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
  761. depends on SIBYTE_SB1xxx_SOC
  762. config SIBYTE_TBPROF
  763. bool "Support for ZBbus profiling"
  764. depends on SIBYTE_SB1xxx_SOC
  765. config SNI_RM200_PCI
  766. bool "Support for SNI RM200 PCI"
  767. select ARC
  768. select ARC32
  769. select BOOT_ELF32
  770. select DMA_NONCOHERENT
  771. select GENERIC_ISA_DMA
  772. select HAVE_STD_PC_SERIAL_PORT
  773. select HW_HAS_PCI
  774. select I8259
  775. select ISA
  776. help
  777. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  778. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  779. Technology and now in turn merged with Fujitsu. Say Y here to
  780. support this machine type.
  781. config TOSHIBA_RBTX4927
  782. bool "Support for Toshiba TBTX49[23]7 board"
  783. depends on 32BIT
  784. select DMA_NONCOHERENT
  785. select HAS_TXX9_SERIAL
  786. select HW_HAS_PCI
  787. select I8259
  788. select ISA
  789. select SWAP_IO_SPACE
  790. help
  791. This Toshiba board is based on the TX4927 processor. Say Y here to
  792. support this machine type
  793. config TOSHIBA_FPCIB0
  794. bool "FPCIB0 Backplane Support"
  795. depends on TOSHIBA_RBTX4927
  796. config RWSEM_GENERIC_SPINLOCK
  797. bool
  798. default y
  799. config RWSEM_XCHGADD_ALGORITHM
  800. bool
  801. config GENERIC_CALIBRATE_DELAY
  802. bool
  803. default y
  804. config HAVE_DEC_LOCK
  805. bool
  806. default y
  807. #
  808. # Select some configuration options automatically based on user selections.
  809. #
  810. config ARC
  811. bool
  812. depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
  813. default y
  814. config DMA_COHERENT
  815. bool
  816. config DMA_IP27
  817. bool
  818. config DMA_IP32
  819. bool
  820. select DMA_NEED_PCI_MAP_STATE
  821. config DMA_NONCOHERENT
  822. bool
  823. select DMA_NEED_PCI_MAP_STATE
  824. config DMA_NEED_PCI_MAP_STATE
  825. bool
  826. config EARLY_PRINTK
  827. bool
  828. depends on MACH_DECSTATION
  829. default y
  830. config GENERIC_ISA_DMA
  831. bool
  832. depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
  833. default y
  834. config I8259
  835. bool
  836. depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
  837. default y
  838. config LIMITED_DMA
  839. bool
  840. select HIGHMEM
  841. config MIPS_BONITO64
  842. bool
  843. depends on MIPS_ATLAS || MIPS_MALTA
  844. default y
  845. config MIPS_MSC
  846. bool
  847. depends on MIPS_ATLAS || MIPS_MALTA
  848. default y
  849. config MIPS_NILE4
  850. bool
  851. depends on LASAT
  852. default y
  853. config MIPS_DISABLE_OBSOLETE_IDE
  854. bool
  855. config CPU_LITTLE_ENDIAN
  856. bool "Generate little endian code"
  857. 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
  858. default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
  859. help
  860. Some MIPS machines can be configured for either little or big endian
  861. byte order. These modes require different kernels. Say Y if your
  862. machine is little endian, N if it's a big endian machine.
  863. config IRQ_CPU
  864. bool
  865. config IRQ_CPU_RM7K
  866. bool
  867. config IRQ_MV64340
  868. bool
  869. config DDB5XXX_COMMON
  870. bool
  871. depends on DDB5074 || DDB5476 || DDB5477
  872. default y
  873. config MIPS_BOARDS_GEN
  874. bool
  875. depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
  876. default y
  877. config MIPS_GT64111
  878. bool
  879. depends on MIPS_COBALT
  880. default y
  881. config MIPS_GT64120
  882. bool
  883. depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
  884. default y
  885. config MIPS_TX3927
  886. bool
  887. depends on TOSHIBA_JMR3927
  888. select HAS_TXX9_SERIAL
  889. default y
  890. config PCI_MARVELL
  891. bool
  892. config ITE_BOARD_GEN
  893. bool
  894. depends on MIPS_IVR || MIPS_ITE8172
  895. default y
  896. config SWAP_IO_SPACE
  897. bool
  898. #
  899. # Unfortunately not all GT64120 systems run the chip at the same clock.
  900. # As the user for the clock rate and try to minimize the available options.
  901. #
  902. choice
  903. prompt "Galileo Chip Clock"
  904. #default SYSCLK_83 if MIPS_EV64120
  905. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  906. default SYSCLK_83 if MIPS_EV64120
  907. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  908. config SYSCLK_75
  909. bool "75" if MIPS_EV64120
  910. config SYSCLK_83
  911. bool "83.3" if MIPS_EV64120
  912. config SYSCLK_100
  913. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  914. endchoice
  915. config AU1X00_USB_DEVICE
  916. bool
  917. depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
  918. default n
  919. config MIPS_GT96100
  920. bool
  921. depends on MIPS_EV96100
  922. default y
  923. help
  924. Say Y here to support the Galileo Technology GT96100 communications
  925. controller card. There is a web page at <http://www.galileot.com/>.
  926. config IT8172_CIR
  927. bool
  928. depends on MIPS_ITE8172 || MIPS_IVR
  929. default y
  930. config IT8712
  931. bool
  932. depends on MIPS_ITE8172
  933. default y
  934. config BOOT_ELF32
  935. bool
  936. depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
  937. default y
  938. config MIPS_L1_CACHE_SHIFT
  939. int
  940. default "4" if MACH_DECSTATION
  941. default "7" if SGI_IP27
  942. default "5"
  943. config ARC32
  944. bool
  945. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  946. default y
  947. config HAVE_STD_PC_SERIAL_PORT
  948. bool
  949. config ARC_CONSOLE
  950. bool "ARC console support"
  951. depends on SGI_IP22 || SNI_RM200_PCI
  952. config ARC_MEMORY
  953. bool
  954. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  955. default y
  956. config ARC_PROMLIB
  957. bool
  958. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  959. default y
  960. config ARC64
  961. bool
  962. depends on SGI_IP27
  963. default y
  964. config BOOT_ELF64
  965. bool
  966. depends on SGI_IP27
  967. default y
  968. #config MAPPED_PCI_IO y
  969. # bool
  970. # depends on SGI_IP27
  971. # default y
  972. config QL_ISP_A64
  973. bool
  974. depends on SGI_IP27
  975. default y
  976. config TOSHIBA_BOARDS
  977. bool
  978. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  979. default y
  980. endmenu
  981. menu "CPU selection"
  982. choice
  983. prompt "CPU type"
  984. default CPU_R4X00
  985. config CPU_MIPS32
  986. bool "MIPS32"
  987. config CPU_MIPS64
  988. bool "MIPS64"
  989. config CPU_R3000
  990. bool "R3000"
  991. depends on MIPS32
  992. help
  993. Please make sure to pick the right CPU type. Linux/MIPS is not
  994. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  995. *not* work on R4000 machines and vice versa. However, since most
  996. of the supported machines have an R4000 (or similar) CPU, R4x00
  997. might be a safe bet. If the resulting kernel does not work,
  998. try to recompile with R3000.
  999. config CPU_TX39XX
  1000. bool "R39XX"
  1001. depends on 32BIT
  1002. config CPU_VR41XX
  1003. bool "R41xx"
  1004. help
  1005. The options selects support for the NEC VR41xx series of processors.
  1006. Only choose this option if you have one of these processors as a
  1007. kernel built with this option will not run on any other type of
  1008. processor or vice versa.
  1009. config CPU_R4300
  1010. bool "R4300"
  1011. help
  1012. MIPS Technologies R4300-series processors.
  1013. config CPU_R4X00
  1014. bool "R4x00"
  1015. help
  1016. MIPS Technologies R4000-series processors other than 4300, including
  1017. the R4000, R4400, R4600, and 4700.
  1018. config CPU_TX49XX
  1019. bool "R49XX"
  1020. config CPU_R5000
  1021. bool "R5000"
  1022. help
  1023. MIPS Technologies R5000-series processors other than the Nevada.
  1024. config CPU_R5432
  1025. bool "R5432"
  1026. config CPU_R6000
  1027. bool "R6000"
  1028. depends on 32BIT && EXPERIMENTAL
  1029. help
  1030. MIPS Technologies R6000 and R6000A series processors. Note these
  1031. processors are extremly rare and the support for them is incomplete.
  1032. config CPU_NEVADA
  1033. bool "RM52xx"
  1034. help
  1035. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1036. config CPU_R8000
  1037. bool "R8000"
  1038. depends on 64BIT && EXPERIMENTAL
  1039. help
  1040. MIPS Technologies R8000 processors. Note these processors are
  1041. uncommon and the support for them is incomplete.
  1042. config CPU_R10000
  1043. bool "R10000"
  1044. help
  1045. MIPS Technologies R10000-series processors.
  1046. config CPU_RM7000
  1047. bool "RM7000"
  1048. config CPU_RM9000
  1049. bool "RM9000"
  1050. config CPU_SB1
  1051. bool "SB1"
  1052. endchoice
  1053. choice
  1054. prompt "Kernel page size"
  1055. default PAGE_SIZE_4KB
  1056. config PAGE_SIZE_4KB
  1057. bool "4kB"
  1058. help
  1059. This option select the standard 4kB Linux page size. On some
  1060. R3000-family processors this is the only available page size. Using
  1061. 4kB page size will minimize memory consumption and is therefore
  1062. recommended for low memory systems.
  1063. config PAGE_SIZE_8KB
  1064. bool "8kB"
  1065. depends on EXPERIMENTAL && CPU_R8000
  1066. help
  1067. Using 8kB page size will result in higher performance kernel at
  1068. the price of higher memory consumption. This option is available
  1069. only on the R8000 processor. Not that at the time of this writing
  1070. this option is still high experimental; there are also issues with
  1071. compatibility of user applications.
  1072. config PAGE_SIZE_16KB
  1073. bool "16kB"
  1074. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1075. help
  1076. Using 16kB page size will result in higher performance kernel at
  1077. the price of higher memory consumption. This option is available on
  1078. all non-R3000 family processor. Not that at the time of this
  1079. writing this option is still high experimental; there are also
  1080. issues with compatibility of user applications.
  1081. config PAGE_SIZE_64KB
  1082. bool "64kB"
  1083. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1084. help
  1085. Using 64kB page size will result in higher performance kernel at
  1086. the price of higher memory consumption. This option is available on
  1087. all non-R3000 family processor. Not that at the time of this
  1088. writing this option is still high experimental; there are also
  1089. issues with compatibility of user applications.
  1090. endchoice
  1091. config BOARD_SCACHE
  1092. bool
  1093. config IP22_CPU_SCACHE
  1094. bool
  1095. select BOARD_SCACHE
  1096. config R5000_CPU_SCACHE
  1097. bool
  1098. select BOARD_SCACHE
  1099. config RM7000_CPU_SCACHE
  1100. bool
  1101. select BOARD_SCACHE
  1102. config SIBYTE_DMA_PAGEOPS
  1103. bool "Use DMA to clear/copy pages"
  1104. depends on CPU_SB1
  1105. help
  1106. Instead of using the CPU to zero and copy pages, use a Data Mover
  1107. channel. These DMA channels are otherwise unused by the standard
  1108. SiByte Linux port. Seems to give a small performance benefit.
  1109. config CPU_HAS_PREFETCH
  1110. bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
  1111. default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
  1112. config VTAG_ICACHE
  1113. bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
  1114. default y if CPU_SB1
  1115. config SB1_PASS_1_WORKAROUNDS
  1116. bool
  1117. depends on CPU_SB1_PASS_1
  1118. default y
  1119. config SB1_PASS_2_WORKAROUNDS
  1120. bool
  1121. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1122. default y
  1123. config SB1_PASS_2_1_WORKAROUNDS
  1124. bool
  1125. depends on CPU_SB1 && CPU_SB1_PASS_2
  1126. default y
  1127. config 64BIT_PHYS_ADDR
  1128. bool "Support for 64-bit physical address space"
  1129. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1130. config CPU_ADVANCED
  1131. bool "Override CPU Options"
  1132. depends on 32BIT
  1133. help
  1134. Saying yes here allows you to select support for various features
  1135. your CPU may or may not have. Most people should say N here.
  1136. config CPU_HAS_LLSC
  1137. bool "ll/sc Instructions available" if CPU_ADVANCED
  1138. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
  1139. help
  1140. MIPS R4000 series and later provide the Load Linked (ll)
  1141. and Store Conditional (sc) instructions. More information is
  1142. available at <http://www.go-ecs.com/mips/miptek1.htm>.
  1143. Say Y here if your CPU has the ll and sc instructions. Say Y here
  1144. for better performance, N if you don't know. You must say Y here
  1145. for multiprocessor machines.
  1146. config CPU_HAS_LLDSCD
  1147. bool "lld/scd Instructions available" if CPU_ADVANCED
  1148. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
  1149. help
  1150. Say Y here if your CPU has the lld and scd instructions, the 64-bit
  1151. equivalents of ll and sc. Say Y here for better performance, N if
  1152. you don't know. You must say Y here for multiprocessor machines.
  1153. config CPU_HAS_WB
  1154. bool "Writeback Buffer available" if CPU_ADVANCED
  1155. default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
  1156. help
  1157. Say N here for slightly better performance. You must say Y here for
  1158. machines which require flushing of write buffers in software. Saying
  1159. Y is the safe option; N may result in kernel malfunction and crashes.
  1160. config CPU_HAS_SYNC
  1161. bool
  1162. depends on !CPU_R3000
  1163. default y
  1164. #
  1165. # - Highmem only makes sense for the 32-bit kernel.
  1166. # - The current highmem code will only work properly on physically indexed
  1167. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1168. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1169. # moment we protect the user and offer the highmem option only on machines
  1170. # where it's known to be safe. This will not offer highmem on a few systems
  1171. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1172. # indexed CPUs but we're playing safe.
  1173. # - We should not offer highmem for system of which we already know that they
  1174. # don't have memory configurations that could gain from highmem support in
  1175. # the kernel because they don't support configurations with RAM at physical
  1176. # addresses > 0x20000000.
  1177. #
  1178. config HIGHMEM
  1179. bool "High Memory Support"
  1180. depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
  1181. config ARCH_FLATMEM_ENABLE
  1182. def_bool y
  1183. depends on !NUMA
  1184. source "mm/Kconfig"
  1185. config SMP
  1186. bool "Multi-Processing support"
  1187. depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
  1188. ---help---
  1189. This enables support for systems with more than one CPU. If you have
  1190. a system with only one CPU, like most personal computers, say N. If
  1191. you have a system with more than one CPU, say Y.
  1192. If you say N here, the kernel will run on single and multiprocessor
  1193. machines, but will use only one CPU of a multiprocessor machine. If
  1194. you say Y here, the kernel will run on many, but not all,
  1195. singleprocessor machines. On a singleprocessor machine, the kernel
  1196. will run faster if you say N here.
  1197. People using multiprocessor machines who say Y here should also say
  1198. Y to "Enhanced Real Time Clock Support", below.
  1199. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1200. available at <http://www.tldp.org/docs.html#howto>.
  1201. If you don't know what to do here, say N.
  1202. config NR_CPUS
  1203. int "Maximum number of CPUs (2-64)"
  1204. range 2 64
  1205. depends on SMP
  1206. default "64" if SGI_IP27
  1207. default "2"
  1208. help
  1209. This allows you to specify the maximum number of CPUs which this
  1210. kernel will support. The maximum supported value is 32 for 32-bit
  1211. kernel and 64 for 64-bit kernels; the minimum value which makes
  1212. sense is 2.
  1213. This is purely to save memory - each supported CPU adds
  1214. approximately eight kilobytes to the kernel image.
  1215. config PREEMPT
  1216. bool "Preemptible Kernel"
  1217. help
  1218. This option reduces the latency of the kernel when reacting to
  1219. real-time or interactive events by allowing a low priority process to
  1220. be preempted even if it is in kernel mode executing a system call.
  1221. This allows applications to run more reliably even when the system is
  1222. under load.
  1223. config RTC_DS1742
  1224. bool "DS1742 BRAM/RTC support"
  1225. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1226. config MIPS_INSANE_LARGE
  1227. bool "Support for large 64-bit configurations"
  1228. depends on CPU_R10000 && 64BIT
  1229. help
  1230. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1231. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1232. need processes of more than 1TB virtual address space, say Y here.
  1233. This will result in additional memory usage, so it is not
  1234. recommended for normal users.
  1235. config RWSEM_GENERIC_SPINLOCK
  1236. bool
  1237. default y
  1238. endmenu
  1239. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1240. config HW_HAS_PCI
  1241. bool
  1242. config PCI
  1243. bool "Support for PCI controller"
  1244. depends on HW_HAS_PCI
  1245. help
  1246. Find out whether you have a PCI motherboard. PCI is the name of a
  1247. bus system, i.e. the way the CPU talks to the other stuff inside
  1248. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1249. say Y, otherwise N.
  1250. The PCI-HOWTO, available from
  1251. <http://www.tldp.org/docs.html#howto>, contains valuable
  1252. information about which PCI hardware does work under Linux and which
  1253. doesn't.
  1254. config PCI_DOMAINS
  1255. bool
  1256. depends on PCI
  1257. source "drivers/pci/Kconfig"
  1258. #
  1259. # ISA support is now enabled via select. Too many systems still have the one
  1260. # or other ISA chip on the board that users don't know about so don't expect
  1261. # users to choose the right thing ...
  1262. #
  1263. config ISA
  1264. bool
  1265. config EISA
  1266. bool "EISA support"
  1267. depends on SGI_IP22 || SNI_RM200_PCI
  1268. select ISA
  1269. ---help---
  1270. The Extended Industry Standard Architecture (EISA) bus was
  1271. developed as an open alternative to the IBM MicroChannel bus.
  1272. The EISA bus provided some of the features of the IBM MicroChannel
  1273. bus while maintaining backward compatibility with cards made for
  1274. the older ISA bus. The EISA bus saw limited use between 1988 and
  1275. 1995 when it was made obsolete by the PCI bus.
  1276. Say Y here if you are building a kernel for an EISA-based machine.
  1277. Otherwise, say N.
  1278. source "drivers/eisa/Kconfig"
  1279. config TC
  1280. bool "TURBOchannel support"
  1281. depends on MACH_DECSTATION
  1282. help
  1283. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1284. processors. Documentation on writing device drivers for TurboChannel
  1285. is available at:
  1286. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1287. #config ACCESSBUS
  1288. # bool "Access.Bus support"
  1289. # depends on TC
  1290. config MMU
  1291. bool
  1292. default y
  1293. config MCA
  1294. bool
  1295. config SBUS
  1296. bool
  1297. source "drivers/pcmcia/Kconfig"
  1298. source "drivers/pci/hotplug/Kconfig"
  1299. endmenu
  1300. menu "Executable file formats"
  1301. source "fs/Kconfig.binfmt"
  1302. config TRAD_SIGNALS
  1303. bool
  1304. default y if 32BIT
  1305. config BUILD_ELF64
  1306. bool "Use 64-bit ELF format for building"
  1307. depends on 64BIT
  1308. help
  1309. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1310. format as it's one that allows arbitrary 64-bit constructs. For
  1311. kernels that are loaded within the KSEG compatibility segments the
  1312. 32-bit ELF format can optionally be used resulting in a somewhat
  1313. smaller binary, but this option is not explicitly supported by the
  1314. toolchain and since binutils 2.14 it does not even work at all.
  1315. Say Y to use the 64-bit format or N to use the 32-bit one.
  1316. If unsure say Y.
  1317. config BINFMT_IRIX
  1318. bool "Include IRIX binary compatibility"
  1319. depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
  1320. config MIPS32_COMPAT
  1321. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1322. depends on 64BIT
  1323. help
  1324. Select this option if you want Linux/MIPS 32-bit binary
  1325. compatibility. Since all software available for Linux/MIPS is
  1326. currently 32-bit you should say Y here.
  1327. config COMPAT
  1328. bool
  1329. depends on MIPS32_COMPAT
  1330. default y
  1331. config MIPS32_O32
  1332. bool "Kernel support for o32 binaries"
  1333. depends on MIPS32_COMPAT
  1334. help
  1335. Select this option if you want to run o32 binaries. These are pure
  1336. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1337. existing binaries are in this format.
  1338. If unsure, say Y.
  1339. config MIPS32_N32
  1340. bool "Kernel support for n32 binaries"
  1341. depends on MIPS32_COMPAT
  1342. help
  1343. Select this option if you want to run n32 binaries. These are
  1344. 64-bit binaries using 32-bit quantities for addressing and certain
  1345. data that would normally be 64-bit. They are used in special
  1346. cases.
  1347. If unsure, say N.
  1348. config BINFMT_ELF32
  1349. bool
  1350. default y if MIPS32_O32 || MIPS32_N32
  1351. config PM
  1352. bool "Power Management support (EXPERIMENTAL)"
  1353. depends on EXPERIMENTAL && MACH_AU1X00
  1354. endmenu
  1355. source "net/Kconfig"
  1356. source "drivers/Kconfig"
  1357. source "fs/Kconfig"
  1358. source "arch/mips/Kconfig.debug"
  1359. source "security/Kconfig"
  1360. source "crypto/Kconfig"
  1361. source "lib/Kconfig"
  1362. #
  1363. # Use the generic interrupt handling code in kernel/irq/:
  1364. #
  1365. config GENERIC_HARDIRQS
  1366. bool
  1367. default y
  1368. config GENERIC_IRQ_PROBE
  1369. bool
  1370. default y
  1371. config ISA_DMA_API
  1372. bool
  1373. default y