Kconfig 44 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. # shouldn't it be per-subarchitecture?
  7. config ARCH_MAY_HAVE_PC_FDC
  8. bool
  9. default y
  10. mainmenu "Linux/MIPS Kernel Configuration"
  11. source "init/Kconfig"
  12. config SYS_SUPPORTS_32BIT_KERNEL
  13. bool
  14. config SYS_SUPPORTS_64BIT_KERNEL
  15. bool
  16. config CPU_SUPPORTS_32BIT_KERNEL
  17. bool
  18. config CPU_SUPPORTS_64BIT_KERNEL
  19. bool
  20. menu "Kernel type"
  21. choice
  22. prompt "Kernel code model"
  23. help
  24. You should only select this option if you have a workload that
  25. actually benefits from 64-bit processing or if your machine has
  26. large memory. You will only be presented a single option in this
  27. menu if your system does not support both 32-bit and 64-bit kernels.
  28. config 32BIT
  29. bool "32-bit kernel"
  30. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  31. select TRAD_SIGNALS
  32. help
  33. Select this option if you want to build a 32-bit kernel.
  34. config 64BIT
  35. bool "64-bit kernel"
  36. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  37. help
  38. Select this option if you want to build a 64-bit kernel.
  39. endchoice
  40. endmenu
  41. menu "Machine selection"
  42. config MACH_JAZZ
  43. bool "Support for the Jazz family of machines"
  44. select ARC
  45. select ARC32
  46. select GENERIC_ISA_DMA
  47. select I8259
  48. select ISA
  49. select SYS_SUPPORTS_32BIT_KERNEL
  50. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  51. help
  52. This a family of machines based on the MIPS R4030 chipset which was
  53. used by several vendors to build RISC/os and Windows NT workstations.
  54. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  55. Olivetti M700-10 workstations.
  56. config ACER_PICA_61
  57. bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
  58. depends on MACH_JAZZ && EXPERIMENTAL
  59. select DMA_NONCOHERENT
  60. help
  61. This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
  62. kernel that runs on these, say Y here. For details about Linux on
  63. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  64. <http://www.linux-mips.org/>.
  65. config MIPS_MAGNUM_4000
  66. bool "Support for MIPS Magnum 4000"
  67. depends on MACH_JAZZ
  68. select DMA_NONCOHERENT
  69. help
  70. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  71. kernel that runs on these, say Y here. For details about Linux on
  72. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  73. <http://www.linux-mips.org/>.
  74. config OLIVETTI_M700
  75. bool "Support for Olivetti M700-10"
  76. depends on MACH_JAZZ
  77. select DMA_NONCOHERENT
  78. help
  79. This is a machine with a R4000 100 MHz CPU. To compile a Linux
  80. kernel that runs on these, say Y here. For details about Linux on
  81. the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
  82. <http://www.linux-mips.org/>.
  83. config MACH_VR41XX
  84. bool "Support for NEC VR4100 series based machines"
  85. select SYS_SUPPORTS_32BIT_KERNEL
  86. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  87. config NEC_CMBVR4133
  88. bool "Support for NEC CMB-VR4133"
  89. depends on MACH_VR41XX
  90. select CPU_VR41XX
  91. select DMA_NONCOHERENT
  92. select IRQ_CPU
  93. select HW_HAS_PCI
  94. config ROCKHOPPER
  95. bool "Support for Rockhopper baseboard"
  96. depends on NEC_CMBVR4133
  97. select I8259
  98. select HAVE_STD_PC_SERIAL_PORT
  99. config CASIO_E55
  100. bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
  101. depends on MACH_VR41XX
  102. select CPU_LITTLE_ENDIAN
  103. select DMA_NONCOHERENT
  104. select IRQ_CPU
  105. select ISA
  106. config IBM_WORKPAD
  107. bool "Support for IBM WorkPad z50"
  108. depends on MACH_VR41XX
  109. select CPU_LITTLE_ENDIAN
  110. select DMA_NONCOHERENT
  111. select IRQ_CPU
  112. select ISA
  113. config TANBAC_TB022X
  114. bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
  115. depends on MACH_VR41XX
  116. select CPU_LITTLE_ENDIAN
  117. select DMA_NONCOHERENT
  118. select IRQ_CPU
  119. select HW_HAS_PCI
  120. help
  121. The TANBAC VR4131 multichip module(TB0225) and
  122. the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
  123. manufactured by TANBAC.
  124. Please refer to <http://www.tanbac.co.jp/>
  125. about VR4131 multichip module and VR4131DIMM.
  126. config TANBAC_TB0226
  127. bool "Support for TANBAC Mbase(TB0226)"
  128. depends on TANBAC_TB022X
  129. select GPIO_VR41XX
  130. help
  131. The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
  132. Please refer to <http://www.tanbac.co.jp/> about Mbase.
  133. config VICTOR_MPC30X
  134. bool "Support for Victor MP-C303/304"
  135. depends on MACH_VR41XX
  136. select CPU_LITTLE_ENDIAN
  137. select DMA_NONCOHERENT
  138. select IRQ_CPU
  139. select HW_HAS_PCI
  140. config ZAO_CAPCELLA
  141. bool "Support for ZAO Networks Capcella"
  142. depends on MACH_VR41XX
  143. select CPU_LITTLE_ENDIAN
  144. select DMA_NONCOHERENT
  145. select IRQ_CPU
  146. select HW_HAS_PCI
  147. config PCI_VR41XX
  148. bool "Add PCI control unit support of NEC VR4100 series"
  149. depends on MACH_VR41XX && HW_HAS_PCI
  150. default y
  151. select PCI
  152. config VRC4173
  153. tristate "Add NEC VRC4173 companion chip support"
  154. depends on MACH_VR41XX && PCI_VR41XX
  155. ---help---
  156. The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
  157. config TOSHIBA_JMR3927
  158. bool "Support for Toshiba JMR-TX3927 board"
  159. select DMA_NONCOHERENT
  160. select HW_HAS_PCI
  161. select SWAP_IO_SPACE
  162. select SYS_SUPPORTS_32BIT_KERNEL
  163. config MIPS_COBALT
  164. bool "Support for Cobalt Server"
  165. depends on EXPERIMENTAL
  166. select DMA_NONCOHERENT
  167. select HW_HAS_PCI
  168. select I8259
  169. select IRQ_CPU
  170. select SYS_SUPPORTS_32BIT_KERNEL
  171. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  172. config MACH_DECSTATION
  173. bool "Support for DECstations"
  174. select BOOT_ELF32
  175. select DMA_NONCOHERENT
  176. select IRQ_CPU
  177. select SYS_SUPPORTS_32BIT_KERNEL
  178. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  179. ---help---
  180. This enables support for DEC's MIPS based workstations. For details
  181. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  182. DECstation porting pages on <http://decstation.unix-ag.org/>.
  183. If you have one of the following DECstation Models you definitely
  184. want to choose R4xx0 for the CPU Type:
  185. DECstation 5000/50
  186. DECstation 5000/150
  187. DECstation 5000/260
  188. DECsystem 5900/260
  189. otherwise choose R3000.
  190. config MIPS_EV64120
  191. bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  192. depends on EXPERIMENTAL
  193. select DMA_NONCOHERENT
  194. select HW_HAS_PCI
  195. select MIPS_GT64120
  196. select SYS_SUPPORTS_32BIT_KERNEL
  197. select SYS_SUPPORTS_64BIT_KERNEL
  198. help
  199. This is an evaluation board based on the Galileo GT-64120
  200. single-chip system controller that contains a MIPS R5000 compatible
  201. core running at 75/100MHz. Their website is located at
  202. <http://www.marvell.com/>. Say Y here if you wish to build a
  203. kernel for this platform.
  204. config EVB_PCI1
  205. bool "Enable Second PCI (PCI1)"
  206. depends on MIPS_EV64120
  207. config MIPS_EV96100
  208. bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
  209. depends on EXPERIMENTAL
  210. select DMA_NONCOHERENT
  211. select HW_HAS_PCI
  212. select IRQ_CPU
  213. select MIPS_GT96100
  214. select RM7000_CPU_SCACHE
  215. select SWAP_IO_SPACE
  216. select SYS_SUPPORTS_32BIT_KERNEL
  217. select SYS_SUPPORTS_64BIT_KERNEL
  218. help
  219. This is an evaluation board based on the Galileo GT-96100 LAN/WAN
  220. communications controllers containing a MIPS R5000 compatible core
  221. running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
  222. here if you wish to build a kernel for this platform.
  223. config MIPS_IVR
  224. bool "Support for Globespan IVR board"
  225. select DMA_NONCOHERENT
  226. select HW_HAS_PCI
  227. select SYS_SUPPORTS_32BIT_KERNEL
  228. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  229. help
  230. This is an evaluation board built by Globespan to showcase thir
  231. iVR (Internet Video Recorder) design. It utilizes a QED RM5231
  232. R5000 MIPS core. More information can be found out their website
  233. located at <http://www.globespan.net/>. Say Y here if you wish to
  234. build a kernel for this platform.
  235. config LASAT
  236. bool "Support for LASAT Networks platforms"
  237. select DMA_NONCOHERENT
  238. select HW_HAS_PCI
  239. select MIPS_GT64120
  240. select R5000_CPU_SCACHE
  241. select SYS_SUPPORTS_32BIT_KERNEL
  242. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  243. config PICVUE
  244. tristate "PICVUE LCD display driver"
  245. depends on LASAT
  246. config PICVUE_PROC
  247. tristate "PICVUE LCD display driver /proc interface"
  248. depends on PICVUE
  249. config DS1603
  250. bool "DS1603 RTC driver"
  251. depends on LASAT
  252. config LASAT_SYSCTL
  253. bool "LASAT sysctl interface"
  254. depends on LASAT
  255. config MIPS_ITE8172
  256. bool "Support for ITE 8172G board"
  257. select DMA_NONCOHERENT
  258. select HW_HAS_PCI
  259. select SYS_SUPPORTS_32BIT_KERNEL
  260. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  261. help
  262. Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
  263. with ATX form factor that utilizes a MIPS R5000 to work with its
  264. ITE8172G companion internet appliance chip. The MIPS core can be
  265. either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
  266. a kernel for this platform.
  267. config IT8172_REVC
  268. bool "Support for older IT8172 (Rev C)"
  269. depends on MIPS_ITE8172
  270. help
  271. Say Y here to support the older, Revision C version of the Integrated
  272. Technology Express, Inc. ITE8172 SBC. Vendor page at
  273. <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
  274. board at <http://www.mvista.com/partners/semiconductor/ite.html>.
  275. config MIPS_ATLAS
  276. bool "Support for MIPS Atlas board"
  277. select BOOT_ELF32
  278. select DMA_NONCOHERENT
  279. select HW_HAS_PCI
  280. select MIPS_GT64120
  281. select SWAP_IO_SPACE
  282. select SYS_SUPPORTS_32BIT_KERNEL
  283. select SYS_SUPPORTS_64BIT_KERNEL
  284. help
  285. This enables support for the QED R5231-based MIPS Atlas evaluation
  286. board.
  287. config MIPS_MALTA
  288. bool "Support for MIPS Malta board"
  289. select BOOT_ELF32
  290. select HAVE_STD_PC_SERIAL_PORT
  291. select DMA_NONCOHERENT
  292. select GENERIC_ISA_DMA
  293. select HW_HAS_PCI
  294. select I8259
  295. select MIPS_GT64120
  296. select SWAP_IO_SPACE
  297. select SYS_SUPPORTS_32BIT_KERNEL
  298. select SYS_SUPPORTS_64BIT_KERNEL
  299. help
  300. This enables support for the VR5000-based MIPS Malta evaluation
  301. board.
  302. config MIPS_SEAD
  303. bool "Support for MIPS SEAD board (EXPERIMENTAL)"
  304. depends on EXPERIMENTAL
  305. select IRQ_CPU
  306. select DMA_NONCOHERENT
  307. select SYS_SUPPORTS_32BIT_KERNEL
  308. select SYS_SUPPORTS_64BIT_KERNEL
  309. config MOMENCO_OCELOT
  310. bool "Support for Momentum Ocelot board"
  311. select DMA_NONCOHERENT
  312. select HW_HAS_PCI
  313. select IRQ_CPU
  314. select IRQ_CPU_RM7K
  315. select MIPS_GT64120
  316. select RM7000_CPU_SCACHE
  317. select SWAP_IO_SPACE
  318. select SYS_SUPPORTS_32BIT_KERNEL
  319. select SYS_SUPPORTS_64BIT_KERNEL
  320. help
  321. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  322. Momentum Computer <http://www.momenco.com/>.
  323. config MOMENCO_OCELOT_G
  324. bool "Support for Momentum Ocelot-G board"
  325. select DMA_NONCOHERENT
  326. select HW_HAS_PCI
  327. select IRQ_CPU
  328. select IRQ_CPU_RM7K
  329. select PCI_MARVELL
  330. select RM7000_CPU_SCACHE
  331. select SWAP_IO_SPACE
  332. select SYS_SUPPORTS_32BIT_KERNEL
  333. select SYS_SUPPORTS_64BIT_KERNEL
  334. help
  335. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  336. Momentum Computer <http://www.momenco.com/>.
  337. config MOMENCO_OCELOT_C
  338. bool "Support for Momentum Ocelot-C board"
  339. select DMA_NONCOHERENT
  340. select HW_HAS_PCI
  341. select IRQ_CPU
  342. select IRQ_MV64340
  343. select PCI_MARVELL
  344. select RM7000_CPU_SCACHE
  345. select SWAP_IO_SPACE
  346. select SYS_SUPPORTS_32BIT_KERNEL
  347. select SYS_SUPPORTS_64BIT_KERNEL
  348. help
  349. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  350. Momentum Computer <http://www.momenco.com/>.
  351. config MOMENCO_OCELOT_3
  352. bool "Support for Momentum Ocelot-3 board"
  353. select BOOT_ELF32
  354. select DMA_NONCOHERENT
  355. select HW_HAS_PCI
  356. select IRQ_CPU
  357. select IRQ_CPU_RM7K
  358. select IRQ_MV64340
  359. select PCI_MARVELL
  360. select RM7000_CPU_SCACHE
  361. select SWAP_IO_SPACE
  362. select SYS_SUPPORTS_32BIT_KERNEL
  363. select SYS_SUPPORTS_64BIT_KERNEL
  364. help
  365. The Ocelot-3 is based off Discovery III System Controller and
  366. PMC-Sierra Rm79000 core.
  367. config MOMENCO_JAGUAR_ATX
  368. bool "Support for Momentum Jaguar board"
  369. select BOOT_ELF32
  370. select DMA_NONCOHERENT
  371. select HW_HAS_PCI
  372. select IRQ_CPU
  373. select IRQ_CPU_RM7K
  374. select IRQ_MV64340
  375. select LIMITED_DMA
  376. select PCI_MARVELL
  377. select RM7000_CPU_SCACHE
  378. select SWAP_IO_SPACE
  379. select SYS_SUPPORTS_32BIT_KERNEL
  380. select SYS_SUPPORTS_64BIT_KERNEL
  381. help
  382. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  383. Momentum Computer <http://www.momenco.com/>.
  384. config JAGUAR_DMALOW
  385. bool "Low DMA Mode"
  386. depends on MOMENCO_JAGUAR_ATX
  387. help
  388. Select to Y if jump JP5 is set on your board, N otherwise. Normally
  389. the jumper is set, so if you feel unsafe, just say Y.
  390. config PMC_YOSEMITE
  391. bool "Support for PMC-Sierra Yosemite eval board"
  392. select DMA_COHERENT
  393. select HW_HAS_PCI
  394. select IRQ_CPU
  395. select IRQ_CPU_RM7K
  396. select IRQ_CPU_RM9K
  397. select SWAP_IO_SPACE
  398. select SYS_SUPPORTS_32BIT_KERNEL
  399. select SYS_SUPPORTS_64BIT_KERNEL
  400. help
  401. Yosemite is an evaluation board for the RM9000x2 processor
  402. manufactured by PMC-Sierra
  403. config HYPERTRANSPORT
  404. bool "Hypertransport Support for PMC-Sierra Yosemite"
  405. depends on PMC_YOSEMITE
  406. config DDB5074
  407. bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
  408. depends on EXPERIMENTAL
  409. select DMA_NONCOHERENT
  410. select HAVE_STD_PC_SERIAL_PORT
  411. select HW_HAS_PCI
  412. select IRQ_CPU
  413. select I8259
  414. select ISA
  415. select SYS_SUPPORTS_32BIT_KERNEL
  416. select SYS_SUPPORTS_64BIT_KERNEL
  417. help
  418. This enables support for the VR5000-based NEC DDB Vrc-5074
  419. evaluation board.
  420. config DDB5476
  421. bool "Support for NEC DDB Vrc-5476"
  422. select DMA_NONCOHERENT
  423. select HAVE_STD_PC_SERIAL_PORT
  424. select HW_HAS_PCI
  425. select IRQ_CPU
  426. select I8259
  427. select ISA
  428. select SYS_SUPPORTS_32BIT_KERNEL
  429. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  430. help
  431. This enables support for the R5432-based NEC DDB Vrc-5476
  432. evaluation board.
  433. Features : kernel debugging, serial terminal, NFS root fs, on-board
  434. ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
  435. IDE controller, PS2 keyboard, PS2 mouse, etc.
  436. config DDB5477
  437. bool "Support for NEC DDB Vrc-5477"
  438. select DMA_NONCOHERENT
  439. select HW_HAS_PCI
  440. select I8259
  441. select IRQ_CPU
  442. select SYS_SUPPORTS_32BIT_KERNEL
  443. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  444. help
  445. This enables support for the R5432-based NEC DDB Vrc-5477,
  446. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  447. Features : kernel debugging, serial terminal, NFS root fs, on-board
  448. ether port USB, AC97, PCI, etc.
  449. config DDB5477_BUS_FREQUENCY
  450. int "bus frequency (in kHZ, 0 for auto-detect)"
  451. depends on DDB5477
  452. default 0
  453. config QEMU
  454. bool "Support for Qemu"
  455. select DMA_COHERENT
  456. select GENERIC_ISA_DMA
  457. select HAVE_STD_PC_SERIAL_PORT
  458. select I8259
  459. select ISA
  460. select SWAP_IO_SPACE
  461. select SYS_SUPPORTS_32BIT_KERNEL
  462. select SYS_SUPPORTS_BIG_ENDIAN
  463. help
  464. Qemu is a software emulator which among other architectures also
  465. can simulate a MIPS32 4Kc system. This patch adds support for the
  466. system architecture that currently is being simulated by Qemu. It
  467. will eventually be removed again when Qemu has the capability to
  468. simulate actual MIPS hardware platforms. More information on Qemu
  469. can be found at http://www.linux-mips.org/wiki/Qemu.
  470. config SGI_IP22
  471. bool "Support for SGI IP22 (Indy/Indigo2)"
  472. select ARC
  473. select ARC32
  474. select BOOT_ELF32
  475. select DMA_NONCOHERENT
  476. select IP22_CPU_SCACHE
  477. select IRQ_CPU
  478. select SWAP_IO_SPACE
  479. select SYS_SUPPORTS_32BIT_KERNEL
  480. select SYS_SUPPORTS_64BIT_KERNEL
  481. help
  482. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  483. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  484. that runs on these, say Y here.
  485. config SGI_IP27
  486. bool "Support for SGI IP27 (Origin200/2000)"
  487. select ARC
  488. select ARC64
  489. select DMA_IP27
  490. select HW_HAS_PCI
  491. select PCI_DOMAINS
  492. select SYS_SUPPORTS_64BIT_KERNEL
  493. help
  494. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  495. workstations. To compile a Linux kernel that runs on these, say Y
  496. here.
  497. #config SGI_SN0_XXL
  498. # bool "IP27 XXL"
  499. # depends on SGI_IP27
  500. # This options adds support for userspace processes upto 16TB size.
  501. # Normally the limit is just .5TB.
  502. config SGI_SN0_N_MODE
  503. bool "IP27 N-Mode"
  504. depends on SGI_IP27
  505. help
  506. The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
  507. configured in either N-Modes which allows for more nodes or M-Mode
  508. which allows for more memory. Your system is most probably
  509. running in M-Mode, so you should say N here.
  510. config ARCH_DISCONTIGMEM_ENABLE
  511. bool
  512. default y if SGI_IP27
  513. help
  514. Say Y to upport efficient handling of discontiguous physical memory,
  515. for architectures which are either NUMA (Non-Uniform Memory Access)
  516. or have huge holes in the physical address space for other reasons.
  517. See <file:Documentation/vm/numa> for more.
  518. config NUMA
  519. bool "NUMA Support"
  520. depends on SGI_IP27
  521. help
  522. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  523. Access). This option is for configuring high-end multiprocessor
  524. server machines. If in doubt, say N.
  525. config MAPPED_KERNEL
  526. bool "Mapped kernel support"
  527. depends on SGI_IP27
  528. help
  529. Change the way a Linux kernel is loaded into memory on a MIPS64
  530. machine. This is required in order to support text replication and
  531. NUMA. If you need to understand it, read the source code.
  532. config REPLICATE_KTEXT
  533. bool "Kernel text replication support"
  534. depends on SGI_IP27
  535. help
  536. Say Y here to enable replicating the kernel text across multiple
  537. nodes in a NUMA cluster. This trades memory for speed.
  538. config REPLICATE_EXHANDLERS
  539. bool "Exception handler replication support"
  540. depends on SGI_IP27
  541. help
  542. Say Y here to enable replicating the kernel exception handlers
  543. across multiple nodes in a NUMA cluster. This trades memory for
  544. speed.
  545. config SGI_IP32
  546. bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
  547. depends on EXPERIMENTAL
  548. select ARC
  549. select ARC32
  550. select BOOT_ELF32
  551. select OWN_DMA
  552. select DMA_IP32
  553. select DMA_NONCOHERENT
  554. select HW_HAS_PCI
  555. select R5000_CPU_SCACHE
  556. select RM7000_CPU_SCACHE
  557. select SYS_SUPPORTS_64BIT_KERNEL
  558. help
  559. If you want this kernel to run on SGI O2 workstation, say Y here.
  560. config SOC_AU1X00
  561. bool "Support for AMD/Alchemy Au1X00 SOCs"
  562. select SYS_SUPPORTS_32BIT_KERNEL
  563. choice
  564. prompt "Au1X00 SOC Type"
  565. depends on SOC_AU1X00
  566. help
  567. Say Y here to enable support for one of three AMD/Alchemy
  568. SOCs. For additional documentation see www.amd.com.
  569. config SOC_AU1000
  570. bool "SOC_AU1000"
  571. config SOC_AU1100
  572. bool "SOC_AU1100"
  573. config SOC_AU1500
  574. bool "SOC_AU1500"
  575. config SOC_AU1550
  576. bool "SOC_AU1550"
  577. endchoice
  578. choice
  579. prompt "AMD/Alchemy Au1x00 board support"
  580. depends on SOC_AU1X00
  581. help
  582. These are evaluation boards built by AMD/Alchemy to
  583. showcase their Au1X00 Internet Edge Processors. The SOC design
  584. is based on the MIPS32 architecture running at 266/400/500MHz
  585. with many integrated peripherals. Further information can be
  586. found at their website, <http://www.amd.com/>. Say Y here if you
  587. wish to build a kernel for this platform.
  588. config MIPS_PB1000
  589. bool "PB1000 board"
  590. depends on SOC_AU1000
  591. select DMA_NONCOHERENT
  592. select HW_HAS_PCI
  593. select SWAP_IO_SPACE
  594. config MIPS_PB1100
  595. bool "PB1100 board"
  596. depends on SOC_AU1100
  597. select DMA_NONCOHERENT
  598. select HW_HAS_PCI
  599. select SWAP_IO_SPACE
  600. config MIPS_PB1500
  601. bool "PB1500 board"
  602. depends on SOC_AU1500
  603. select DMA_COHERENT
  604. select HW_HAS_PCI
  605. config MIPS_PB1550
  606. bool "PB1550 board"
  607. depends on SOC_AU1550
  608. select DMA_COHERENT
  609. select HW_HAS_PCI
  610. select MIPS_DISABLE_OBSOLETE_IDE
  611. config MIPS_DB1000
  612. bool "DB1000 board"
  613. depends on SOC_AU1000
  614. select DMA_NONCOHERENT
  615. select HW_HAS_PCI
  616. config MIPS_DB1100
  617. bool "DB1100 board"
  618. depends on SOC_AU1100
  619. select DMA_NONCOHERENT
  620. config MIPS_DB1500
  621. bool "DB1500 board"
  622. depends on SOC_AU1500
  623. select DMA_COHERENT
  624. select HW_HAS_PCI
  625. select MIPS_DISABLE_OBSOLETE_IDE
  626. config MIPS_DB1550
  627. bool "DB1550 board"
  628. depends on SOC_AU1550
  629. select HW_HAS_PCI
  630. select DMA_COHERENT
  631. select MIPS_DISABLE_OBSOLETE_IDE
  632. config MIPS_BOSPORUS
  633. bool "Bosporus board"
  634. depends on SOC_AU1500
  635. select DMA_NONCOHERENT
  636. config MIPS_MIRAGE
  637. bool "Mirage board"
  638. depends on SOC_AU1500
  639. select DMA_NONCOHERENT
  640. config MIPS_XXS1500
  641. bool "MyCable XXS1500 board"
  642. depends on SOC_AU1500
  643. select DMA_NONCOHERENT
  644. config MIPS_MTX1
  645. bool "4G Systems MTX-1 board"
  646. depends on SOC_AU1500
  647. select HW_HAS_PCI
  648. select DMA_NONCOHERENT
  649. endchoice
  650. config SIBYTE_SB1xxx_SOC
  651. bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
  652. depends on EXPERIMENTAL
  653. select BOOT_ELF32
  654. select DMA_COHERENT
  655. select SWAP_IO_SPACE
  656. select SYS_SUPPORTS_32BIT_KERNEL
  657. select SYS_SUPPORTS_64BIT_KERNEL
  658. choice
  659. prompt "BCM1xxx SOC-based board"
  660. depends on SIBYTE_SB1xxx_SOC
  661. default SIBYTE_SWARM
  662. help
  663. Enable support for boards based on the SiByte line of SOCs
  664. from Broadcom. There are configurations for the known
  665. evaluation boards, or you can choose "Other" and add your
  666. own board support code.
  667. config SIBYTE_SWARM
  668. bool "BCM91250A-SWARM"
  669. select SIBYTE_SB1250
  670. config SIBYTE_SENTOSA
  671. bool "BCM91250E-Sentosa"
  672. select SIBYTE_SB1250
  673. config SIBYTE_RHONE
  674. bool "BCM91125E-Rhone"
  675. select SIBYTE_BCM1125H
  676. config SIBYTE_CARMEL
  677. bool "BCM91120x-Carmel"
  678. select SIBYTE_BCM1120
  679. config SIBYTE_PTSWARM
  680. bool "BCM91250PT-PTSWARM"
  681. select SIBYTE_SB1250
  682. config SIBYTE_LITTLESUR
  683. bool "BCM91250C2-LittleSur"
  684. select SIBYTE_SB1250
  685. config SIBYTE_CRHINE
  686. bool "BCM91120C-CRhine"
  687. select SIBYTE_BCM1120
  688. config SIBYTE_CRHONE
  689. bool "BCM91125C-CRhone"
  690. select SIBYTE_BCM1125
  691. config SIBYTE_UNKNOWN
  692. bool "Other"
  693. endchoice
  694. config SIBYTE_BOARD
  695. bool
  696. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
  697. default y
  698. choice
  699. prompt "BCM1xxx SOC Type"
  700. depends on SIBYTE_UNKNOWN
  701. default SIBYTE_UNK_BCM1250
  702. help
  703. Since you haven't chosen a known evaluation board from
  704. Broadcom, you must explicitly pick the SOC this kernel is
  705. targetted for.
  706. config SIBYTE_UNK_BCM1250
  707. bool "BCM1250"
  708. select SIBYTE_SB1250
  709. config SIBYTE_UNK_BCM1120
  710. bool "BCM1120"
  711. select SIBYTE_BCM1120
  712. config SIBYTE_UNK_BCM1125
  713. bool "BCM1125"
  714. select SIBYTE_BCM1125
  715. config SIBYTE_UNK_BCM1125H
  716. bool "BCM1125H"
  717. select SIBYTE_BCM1125H
  718. endchoice
  719. config SIBYTE_SB1250
  720. bool
  721. select HW_HAS_PCI
  722. config SIBYTE_BCM1120
  723. bool
  724. select SIBYTE_BCM112X
  725. config SIBYTE_BCM1125
  726. bool
  727. select HW_HAS_PCI
  728. select SIBYTE_BCM112X
  729. config SIBYTE_BCM1125H
  730. bool
  731. select HW_HAS_PCI
  732. select SIBYTE_BCM112X
  733. config SIBYTE_BCM112X
  734. bool
  735. choice
  736. prompt "SiByte SOC Stepping"
  737. depends on SIBYTE_SB1xxx_SOC
  738. config CPU_SB1_PASS_1
  739. bool "1250 Pass1"
  740. depends on SIBYTE_SB1250
  741. select CPU_HAS_PREFETCH
  742. config CPU_SB1_PASS_2_1250
  743. bool "1250 An"
  744. depends on SIBYTE_SB1250
  745. select CPU_SB1_PASS_2
  746. help
  747. Also called BCM1250 Pass 2
  748. config CPU_SB1_PASS_2_2
  749. bool "1250 Bn"
  750. depends on SIBYTE_SB1250
  751. select CPU_HAS_PREFETCH
  752. help
  753. Also called BCM1250 Pass 2.2
  754. config CPU_SB1_PASS_4
  755. bool "1250 Cn"
  756. depends on SIBYTE_SB1250
  757. select CPU_HAS_PREFETCH
  758. help
  759. Also called BCM1250 Pass 3
  760. config CPU_SB1_PASS_2_112x
  761. bool "112x Hybrid"
  762. depends on SIBYTE_BCM112X
  763. select CPU_SB1_PASS_2
  764. config CPU_SB1_PASS_3
  765. bool "112x An"
  766. depends on SIBYTE_BCM112X
  767. select CPU_HAS_PREFETCH
  768. endchoice
  769. config CPU_SB1_PASS_2
  770. bool
  771. config SIBYTE_HAS_LDT
  772. bool
  773. depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
  774. default y
  775. config SIMULATION
  776. bool "Running under simulation"
  777. depends on SIBYTE_SB1xxx_SOC
  778. help
  779. Build a kernel suitable for running under the GDB simulator.
  780. Primarily adjusts the kernel's notion of time.
  781. config SIBYTE_CFE
  782. bool "Booting from CFE"
  783. depends on SIBYTE_SB1xxx_SOC
  784. help
  785. Make use of the CFE API for enumerating available memory,
  786. controlling secondary CPUs, and possibly console output.
  787. config SIBYTE_CFE_CONSOLE
  788. bool "Use firmware console"
  789. depends on SIBYTE_CFE
  790. help
  791. Use the CFE API's console write routines during boot. Other console
  792. options (VT console, sb1250 duart console, etc.) should not be
  793. configured.
  794. config SIBYTE_STANDALONE
  795. bool
  796. depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
  797. default y
  798. config SIBYTE_STANDALONE_RAM_SIZE
  799. int "Memory size (in megabytes)"
  800. depends on SIBYTE_STANDALONE
  801. default "32"
  802. config SIBYTE_BUS_WATCHER
  803. bool "Support for Bus Watcher statistics"
  804. depends on SIBYTE_SB1xxx_SOC
  805. help
  806. Handle and keep statistics on the bus error interrupts (COR_ECC,
  807. BAD_ECC, IO_BUS).
  808. config SIBYTE_BW_TRACE
  809. bool "Capture bus trace before bus error"
  810. depends on SIBYTE_BUS_WATCHER
  811. help
  812. Run a continuous bus trace, dumping the raw data as soon as
  813. a ZBbus error is detected. Cannot work if ZBbus profiling
  814. is turned on, and also will interfere with JTAG-based trace
  815. buffer activity. Raw buffer data is dumped to console, and
  816. must be processed off-line.
  817. config SIBYTE_SB1250_PROF
  818. bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
  819. depends on SIBYTE_SB1xxx_SOC
  820. config SIBYTE_TBPROF
  821. bool "Support for ZBbus profiling"
  822. depends on SIBYTE_SB1xxx_SOC
  823. config SNI_RM200_PCI
  824. bool "Support for SNI RM200 PCI"
  825. select ARC
  826. select ARC32
  827. select BOOT_ELF32
  828. select DMA_NONCOHERENT
  829. select GENERIC_ISA_DMA
  830. select HAVE_STD_PC_SERIAL_PORT
  831. select HW_HAS_PCI
  832. select I8259
  833. select ISA
  834. select SYS_SUPPORTS_32BIT_KERNEL
  835. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  836. help
  837. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  838. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  839. Technology and now in turn merged with Fujitsu. Say Y here to
  840. support this machine type.
  841. config TOSHIBA_RBTX4927
  842. bool "Support for Toshiba TBTX49[23]7 board"
  843. select DMA_NONCOHERENT
  844. select HAS_TXX9_SERIAL
  845. select HW_HAS_PCI
  846. select I8259
  847. select ISA
  848. select SWAP_IO_SPACE
  849. select SYS_SUPPORTS_32BIT_KERNEL
  850. select SYS_SUPPORTS_64BIT_KERNEL
  851. help
  852. This Toshiba board is based on the TX4927 processor. Say Y here to
  853. support this machine type
  854. config TOSHIBA_FPCIB0
  855. bool "FPCIB0 Backplane Support"
  856. depends on TOSHIBA_RBTX4927
  857. config RWSEM_GENERIC_SPINLOCK
  858. bool
  859. default y
  860. config RWSEM_XCHGADD_ALGORITHM
  861. bool
  862. config GENERIC_CALIBRATE_DELAY
  863. bool
  864. default y
  865. config HAVE_DEC_LOCK
  866. bool
  867. default y
  868. #
  869. # Select some configuration options automatically based on user selections.
  870. #
  871. config ARC
  872. bool
  873. depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
  874. default y
  875. config DMA_COHERENT
  876. bool
  877. config DMA_IP27
  878. bool
  879. config DMA_IP32
  880. bool
  881. select DMA_NEED_PCI_MAP_STATE
  882. config DMA_NONCOHERENT
  883. bool
  884. select DMA_NEED_PCI_MAP_STATE
  885. config DMA_NEED_PCI_MAP_STATE
  886. bool
  887. config EARLY_PRINTK
  888. bool
  889. depends on MACH_DECSTATION
  890. default y
  891. config GENERIC_ISA_DMA
  892. bool
  893. depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
  894. default y
  895. config I8259
  896. bool
  897. depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
  898. default y
  899. config LIMITED_DMA
  900. bool
  901. select HIGHMEM
  902. config MIPS_BONITO64
  903. bool
  904. depends on MIPS_ATLAS || MIPS_MALTA
  905. default y
  906. config MIPS_MSC
  907. bool
  908. depends on MIPS_ATLAS || MIPS_MALTA
  909. default y
  910. config MIPS_NILE4
  911. bool
  912. depends on LASAT
  913. default y
  914. config MIPS_DISABLE_OBSOLETE_IDE
  915. bool
  916. config CPU_LITTLE_ENDIAN
  917. bool "Generate little endian code"
  918. 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
  919. default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
  920. help
  921. Some MIPS machines can be configured for either little or big endian
  922. byte order. These modes require different kernels. Say Y if your
  923. machine is little endian, N if it's a big endian machine.
  924. config IRQ_CPU
  925. bool
  926. config IRQ_CPU_RM7K
  927. bool
  928. config IRQ_MV64340
  929. bool
  930. config DDB5XXX_COMMON
  931. bool
  932. depends on DDB5074 || DDB5476 || DDB5477
  933. default y
  934. config MIPS_BOARDS_GEN
  935. bool
  936. depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
  937. default y
  938. config MIPS_GT64111
  939. bool
  940. depends on MIPS_COBALT
  941. default y
  942. config MIPS_GT64120
  943. bool
  944. depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
  945. default y
  946. config MIPS_TX3927
  947. bool
  948. depends on TOSHIBA_JMR3927
  949. select HAS_TXX9_SERIAL
  950. default y
  951. config PCI_MARVELL
  952. bool
  953. config ITE_BOARD_GEN
  954. bool
  955. depends on MIPS_IVR || MIPS_ITE8172
  956. default y
  957. config SWAP_IO_SPACE
  958. bool
  959. #
  960. # Unfortunately not all GT64120 systems run the chip at the same clock.
  961. # As the user for the clock rate and try to minimize the available options.
  962. #
  963. choice
  964. prompt "Galileo Chip Clock"
  965. #default SYSCLK_83 if MIPS_EV64120
  966. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  967. default SYSCLK_83 if MIPS_EV64120
  968. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  969. config SYSCLK_75
  970. bool "75" if MIPS_EV64120
  971. config SYSCLK_83
  972. bool "83.3" if MIPS_EV64120
  973. config SYSCLK_100
  974. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  975. endchoice
  976. config AU1X00_USB_DEVICE
  977. bool
  978. depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
  979. default n
  980. config MIPS_GT96100
  981. bool
  982. depends on MIPS_EV96100
  983. default y
  984. help
  985. Say Y here to support the Galileo Technology GT96100 communications
  986. controller card. There is a web page at <http://www.galileot.com/>.
  987. config IT8172_CIR
  988. bool
  989. depends on MIPS_ITE8172 || MIPS_IVR
  990. default y
  991. config IT8712
  992. bool
  993. depends on MIPS_ITE8172
  994. default y
  995. config BOOT_ELF32
  996. bool
  997. depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
  998. default y
  999. config MIPS_L1_CACHE_SHIFT
  1000. int
  1001. default "4" if MACH_DECSTATION
  1002. default "7" if SGI_IP27
  1003. default "5"
  1004. config ARC32
  1005. bool
  1006. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  1007. default y
  1008. config HAVE_STD_PC_SERIAL_PORT
  1009. bool
  1010. config ARC_CONSOLE
  1011. bool "ARC console support"
  1012. depends on SGI_IP22 || SNI_RM200_PCI
  1013. config ARC_MEMORY
  1014. bool
  1015. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  1016. default y
  1017. config ARC_PROMLIB
  1018. bool
  1019. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  1020. default y
  1021. config ARC64
  1022. bool
  1023. depends on SGI_IP27
  1024. default y
  1025. config BOOT_ELF64
  1026. bool
  1027. depends on SGI_IP27
  1028. default y
  1029. #config MAPPED_PCI_IO y
  1030. # bool
  1031. # depends on SGI_IP27
  1032. # default y
  1033. config QL_ISP_A64
  1034. bool
  1035. depends on SGI_IP27
  1036. default y
  1037. config TOSHIBA_BOARDS
  1038. bool
  1039. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1040. default y
  1041. endmenu
  1042. menu "CPU selection"
  1043. choice
  1044. prompt "CPU type"
  1045. default CPU_R4X00
  1046. config CPU_MIPS32
  1047. bool "MIPS32"
  1048. select CPU_SUPPORTS_32BIT_KERNEL
  1049. config CPU_MIPS64
  1050. bool "MIPS64"
  1051. select CPU_SUPPORTS_32BIT_KERNEL
  1052. select CPU_SUPPORTS_64BIT_KERNEL
  1053. config CPU_R3000
  1054. bool "R3000"
  1055. select CPU_SUPPORTS_32BIT_KERNEL
  1056. help
  1057. Please make sure to pick the right CPU type. Linux/MIPS is not
  1058. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1059. *not* work on R4000 machines and vice versa. However, since most
  1060. of the supported machines have an R4000 (or similar) CPU, R4x00
  1061. might be a safe bet. If the resulting kernel does not work,
  1062. try to recompile with R3000.
  1063. config CPU_TX39XX
  1064. bool "R39XX"
  1065. select CPU_SUPPORTS_32BIT_KERNEL
  1066. config CPU_VR41XX
  1067. bool "R41xx"
  1068. select CPU_SUPPORTS_32BIT_KERNEL
  1069. select CPU_SUPPORTS_64BIT_KERNEL
  1070. help
  1071. The options selects support for the NEC VR41xx series of processors.
  1072. Only choose this option if you have one of these processors as a
  1073. kernel built with this option will not run on any other type of
  1074. processor or vice versa.
  1075. config CPU_R4300
  1076. bool "R4300"
  1077. select CPU_SUPPORTS_32BIT_KERNEL
  1078. select CPU_SUPPORTS_64BIT_KERNEL
  1079. help
  1080. MIPS Technologies R4300-series processors.
  1081. config CPU_R4X00
  1082. bool "R4x00"
  1083. select CPU_SUPPORTS_32BIT_KERNEL
  1084. select CPU_SUPPORTS_64BIT_KERNEL
  1085. help
  1086. MIPS Technologies R4000-series processors other than 4300, including
  1087. the R4000, R4400, R4600, and 4700.
  1088. config CPU_TX49XX
  1089. bool "R49XX"
  1090. select CPU_SUPPORTS_32BIT_KERNEL
  1091. select CPU_SUPPORTS_64BIT_KERNEL
  1092. config CPU_R5000
  1093. bool "R5000"
  1094. select CPU_SUPPORTS_32BIT_KERNEL
  1095. select CPU_SUPPORTS_64BIT_KERNEL
  1096. help
  1097. MIPS Technologies R5000-series processors other than the Nevada.
  1098. config CPU_R5432
  1099. bool "R5432"
  1100. config CPU_R6000
  1101. bool "R6000"
  1102. depends on EXPERIMENTAL
  1103. select CPU_SUPPORTS_32BIT_KERNEL
  1104. help
  1105. MIPS Technologies R6000 and R6000A series processors. Note these
  1106. processors are extremly rare and the support for them is incomplete.
  1107. config CPU_NEVADA
  1108. bool "RM52xx"
  1109. select CPU_SUPPORTS_32BIT_KERNEL
  1110. select CPU_SUPPORTS_64BIT_KERNEL
  1111. help
  1112. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1113. config CPU_R8000
  1114. bool "R8000"
  1115. depends on EXPERIMENTAL
  1116. select CPU_SUPPORTS_64BIT_KERNEL
  1117. help
  1118. MIPS Technologies R8000 processors. Note these processors are
  1119. uncommon and the support for them is incomplete.
  1120. config CPU_R10000
  1121. bool "R10000"
  1122. select CPU_SUPPORTS_32BIT_KERNEL
  1123. select CPU_SUPPORTS_64BIT_KERNEL
  1124. help
  1125. MIPS Technologies R10000-series processors.
  1126. config CPU_RM7000
  1127. bool "RM7000"
  1128. select CPU_SUPPORTS_32BIT_KERNEL
  1129. select CPU_SUPPORTS_64BIT_KERNEL
  1130. config CPU_RM9000
  1131. bool "RM9000"
  1132. select CPU_SUPPORTS_32BIT_KERNEL
  1133. select CPU_SUPPORTS_64BIT_KERNEL
  1134. config CPU_SB1
  1135. bool "SB1"
  1136. select CPU_SUPPORTS_32BIT_KERNEL
  1137. select CPU_SUPPORTS_64BIT_KERNEL
  1138. endchoice
  1139. choice
  1140. prompt "Kernel page size"
  1141. default PAGE_SIZE_4KB
  1142. config PAGE_SIZE_4KB
  1143. bool "4kB"
  1144. help
  1145. This option select the standard 4kB Linux page size. On some
  1146. R3000-family processors this is the only available page size. Using
  1147. 4kB page size will minimize memory consumption and is therefore
  1148. recommended for low memory systems.
  1149. config PAGE_SIZE_8KB
  1150. bool "8kB"
  1151. depends on EXPERIMENTAL && CPU_R8000
  1152. help
  1153. Using 8kB page size will result in higher performance kernel at
  1154. the price of higher memory consumption. This option is available
  1155. only on the R8000 processor. Not that at the time of this writing
  1156. this option is still high experimental; there are also issues with
  1157. compatibility of user applications.
  1158. config PAGE_SIZE_16KB
  1159. bool "16kB"
  1160. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1161. help
  1162. Using 16kB page size will result in higher performance kernel at
  1163. the price of higher memory consumption. This option is available on
  1164. all non-R3000 family processor. Not that at the time of this
  1165. writing this option is still high experimental; there are also
  1166. issues with compatibility of user applications.
  1167. config PAGE_SIZE_64KB
  1168. bool "64kB"
  1169. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1170. help
  1171. Using 64kB page size will result in higher performance kernel at
  1172. the price of higher memory consumption. This option is available on
  1173. all non-R3000 family processor. Not that at the time of this
  1174. writing this option is still high experimental; there are also
  1175. issues with compatibility of user applications.
  1176. endchoice
  1177. config BOARD_SCACHE
  1178. bool
  1179. config IP22_CPU_SCACHE
  1180. bool
  1181. select BOARD_SCACHE
  1182. config R5000_CPU_SCACHE
  1183. bool
  1184. select BOARD_SCACHE
  1185. config RM7000_CPU_SCACHE
  1186. bool
  1187. select BOARD_SCACHE
  1188. config SIBYTE_DMA_PAGEOPS
  1189. bool "Use DMA to clear/copy pages"
  1190. depends on CPU_SB1
  1191. help
  1192. Instead of using the CPU to zero and copy pages, use a Data Mover
  1193. channel. These DMA channels are otherwise unused by the standard
  1194. SiByte Linux port. Seems to give a small performance benefit.
  1195. config CPU_HAS_PREFETCH
  1196. bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
  1197. default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
  1198. config VTAG_ICACHE
  1199. bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
  1200. default y if CPU_SB1
  1201. config SB1_PASS_1_WORKAROUNDS
  1202. bool
  1203. depends on CPU_SB1_PASS_1
  1204. default y
  1205. config SB1_PASS_2_WORKAROUNDS
  1206. bool
  1207. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1208. default y
  1209. config SB1_PASS_2_1_WORKAROUNDS
  1210. bool
  1211. depends on CPU_SB1 && CPU_SB1_PASS_2
  1212. default y
  1213. config 64BIT_PHYS_ADDR
  1214. bool "Support for 64-bit physical address space"
  1215. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1216. config CPU_ADVANCED
  1217. bool "Override CPU Options"
  1218. depends on 32BIT
  1219. help
  1220. Saying yes here allows you to select support for various features
  1221. your CPU may or may not have. Most people should say N here.
  1222. config CPU_HAS_LLSC
  1223. bool "ll/sc Instructions available" if CPU_ADVANCED
  1224. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
  1225. help
  1226. MIPS R4000 series and later provide the Load Linked (ll)
  1227. and Store Conditional (sc) instructions. More information is
  1228. available at <http://www.go-ecs.com/mips/miptek1.htm>.
  1229. Say Y here if your CPU has the ll and sc instructions. Say Y here
  1230. for better performance, N if you don't know. You must say Y here
  1231. for multiprocessor machines.
  1232. config CPU_HAS_LLDSCD
  1233. bool "lld/scd Instructions available" if CPU_ADVANCED
  1234. default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
  1235. help
  1236. Say Y here if your CPU has the lld and scd instructions, the 64-bit
  1237. equivalents of ll and sc. Say Y here for better performance, N if
  1238. you don't know. You must say Y here for multiprocessor machines.
  1239. config CPU_HAS_WB
  1240. bool "Writeback Buffer available" if CPU_ADVANCED
  1241. default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
  1242. help
  1243. Say N here for slightly better performance. You must say Y here for
  1244. machines which require flushing of write buffers in software. Saying
  1245. Y is the safe option; N may result in kernel malfunction and crashes.
  1246. config CPU_HAS_SYNC
  1247. bool
  1248. depends on !CPU_R3000
  1249. default y
  1250. #
  1251. # - Highmem only makes sense for the 32-bit kernel.
  1252. # - The current highmem code will only work properly on physically indexed
  1253. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1254. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1255. # moment we protect the user and offer the highmem option only on machines
  1256. # where it's known to be safe. This will not offer highmem on a few systems
  1257. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1258. # indexed CPUs but we're playing safe.
  1259. # - We should not offer highmem for system of which we already know that they
  1260. # don't have memory configurations that could gain from highmem support in
  1261. # the kernel because they don't support configurations with RAM at physical
  1262. # addresses > 0x20000000.
  1263. #
  1264. config HIGHMEM
  1265. bool "High Memory Support"
  1266. depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
  1267. config ARCH_FLATMEM_ENABLE
  1268. def_bool y
  1269. depends on !NUMA
  1270. source "mm/Kconfig"
  1271. config SMP
  1272. bool "Multi-Processing support"
  1273. depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
  1274. ---help---
  1275. This enables support for systems with more than one CPU. If you have
  1276. a system with only one CPU, like most personal computers, say N. If
  1277. you have a system with more than one CPU, say Y.
  1278. If you say N here, the kernel will run on single and multiprocessor
  1279. machines, but will use only one CPU of a multiprocessor machine. If
  1280. you say Y here, the kernel will run on many, but not all,
  1281. singleprocessor machines. On a singleprocessor machine, the kernel
  1282. will run faster if you say N here.
  1283. People using multiprocessor machines who say Y here should also say
  1284. Y to "Enhanced Real Time Clock Support", below.
  1285. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1286. available at <http://www.tldp.org/docs.html#howto>.
  1287. If you don't know what to do here, say N.
  1288. config NR_CPUS
  1289. int "Maximum number of CPUs (2-64)"
  1290. range 2 64
  1291. depends on SMP
  1292. default "64" if SGI_IP27
  1293. default "2"
  1294. help
  1295. This allows you to specify the maximum number of CPUs which this
  1296. kernel will support. The maximum supported value is 32 for 32-bit
  1297. kernel and 64 for 64-bit kernels; the minimum value which makes
  1298. sense is 2.
  1299. This is purely to save memory - each supported CPU adds
  1300. approximately eight kilobytes to the kernel image.
  1301. config PREEMPT
  1302. bool "Preemptible Kernel"
  1303. help
  1304. This option reduces the latency of the kernel when reacting to
  1305. real-time or interactive events by allowing a low priority process to
  1306. be preempted even if it is in kernel mode executing a system call.
  1307. This allows applications to run more reliably even when the system is
  1308. under load.
  1309. config RTC_DS1742
  1310. bool "DS1742 BRAM/RTC support"
  1311. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1312. config MIPS_INSANE_LARGE
  1313. bool "Support for large 64-bit configurations"
  1314. depends on CPU_R10000 && 64BIT
  1315. help
  1316. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1317. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1318. need processes of more than 1TB virtual address space, say Y here.
  1319. This will result in additional memory usage, so it is not
  1320. recommended for normal users.
  1321. config RWSEM_GENERIC_SPINLOCK
  1322. bool
  1323. default y
  1324. endmenu
  1325. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1326. config HW_HAS_PCI
  1327. bool
  1328. config PCI
  1329. bool "Support for PCI controller"
  1330. depends on HW_HAS_PCI
  1331. help
  1332. Find out whether you have a PCI motherboard. PCI is the name of a
  1333. bus system, i.e. the way the CPU talks to the other stuff inside
  1334. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1335. say Y, otherwise N.
  1336. The PCI-HOWTO, available from
  1337. <http://www.tldp.org/docs.html#howto>, contains valuable
  1338. information about which PCI hardware does work under Linux and which
  1339. doesn't.
  1340. config PCI_DOMAINS
  1341. bool
  1342. depends on PCI
  1343. source "drivers/pci/Kconfig"
  1344. #
  1345. # ISA support is now enabled via select. Too many systems still have the one
  1346. # or other ISA chip on the board that users don't know about so don't expect
  1347. # users to choose the right thing ...
  1348. #
  1349. config ISA
  1350. bool
  1351. config EISA
  1352. bool "EISA support"
  1353. depends on SGI_IP22 || SNI_RM200_PCI
  1354. select ISA
  1355. ---help---
  1356. The Extended Industry Standard Architecture (EISA) bus was
  1357. developed as an open alternative to the IBM MicroChannel bus.
  1358. The EISA bus provided some of the features of the IBM MicroChannel
  1359. bus while maintaining backward compatibility with cards made for
  1360. the older ISA bus. The EISA bus saw limited use between 1988 and
  1361. 1995 when it was made obsolete by the PCI bus.
  1362. Say Y here if you are building a kernel for an EISA-based machine.
  1363. Otherwise, say N.
  1364. source "drivers/eisa/Kconfig"
  1365. config TC
  1366. bool "TURBOchannel support"
  1367. depends on MACH_DECSTATION
  1368. help
  1369. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1370. processors. Documentation on writing device drivers for TurboChannel
  1371. is available at:
  1372. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1373. #config ACCESSBUS
  1374. # bool "Access.Bus support"
  1375. # depends on TC
  1376. config MMU
  1377. bool
  1378. default y
  1379. config MCA
  1380. bool
  1381. config SBUS
  1382. bool
  1383. source "drivers/pcmcia/Kconfig"
  1384. source "drivers/pci/hotplug/Kconfig"
  1385. endmenu
  1386. menu "Executable file formats"
  1387. source "fs/Kconfig.binfmt"
  1388. config TRAD_SIGNALS
  1389. bool
  1390. default y if 32BIT
  1391. config BUILD_ELF64
  1392. bool "Use 64-bit ELF format for building"
  1393. depends on 64BIT
  1394. help
  1395. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1396. format as it's one that allows arbitrary 64-bit constructs. For
  1397. kernels that are loaded within the KSEG compatibility segments the
  1398. 32-bit ELF format can optionally be used resulting in a somewhat
  1399. smaller binary, but this option is not explicitly supported by the
  1400. toolchain and since binutils 2.14 it does not even work at all.
  1401. Say Y to use the 64-bit format or N to use the 32-bit one.
  1402. If unsure say Y.
  1403. config BINFMT_IRIX
  1404. bool "Include IRIX binary compatibility"
  1405. depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
  1406. config MIPS32_COMPAT
  1407. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1408. depends on 64BIT
  1409. help
  1410. Select this option if you want Linux/MIPS 32-bit binary
  1411. compatibility. Since all software available for Linux/MIPS is
  1412. currently 32-bit you should say Y here.
  1413. config COMPAT
  1414. bool
  1415. depends on MIPS32_COMPAT
  1416. default y
  1417. config MIPS32_O32
  1418. bool "Kernel support for o32 binaries"
  1419. depends on MIPS32_COMPAT
  1420. help
  1421. Select this option if you want to run o32 binaries. These are pure
  1422. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1423. existing binaries are in this format.
  1424. If unsure, say Y.
  1425. config MIPS32_N32
  1426. bool "Kernel support for n32 binaries"
  1427. depends on MIPS32_COMPAT
  1428. help
  1429. Select this option if you want to run n32 binaries. These are
  1430. 64-bit binaries using 32-bit quantities for addressing and certain
  1431. data that would normally be 64-bit. They are used in special
  1432. cases.
  1433. If unsure, say N.
  1434. config BINFMT_ELF32
  1435. bool
  1436. default y if MIPS32_O32 || MIPS32_N32
  1437. config PM
  1438. bool "Power Management support (EXPERIMENTAL)"
  1439. depends on EXPERIMENTAL && MACH_AU1X00
  1440. endmenu
  1441. source "net/Kconfig"
  1442. source "drivers/Kconfig"
  1443. source "fs/Kconfig"
  1444. source "arch/mips/Kconfig.debug"
  1445. source "security/Kconfig"
  1446. source "crypto/Kconfig"
  1447. source "lib/Kconfig"
  1448. #
  1449. # Use the generic interrupt handling code in kernel/irq/:
  1450. #
  1451. config GENERIC_HARDIRQS
  1452. bool
  1453. default y
  1454. config GENERIC_IRQ_PROBE
  1455. bool
  1456. default y
  1457. config ISA_DMA_API
  1458. bool
  1459. default y