Kconfig 46 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. mainmenu "Linux/MIPS Kernel Configuration"
  7. menu "Machine selection"
  8. config ZONE_DMA
  9. bool
  10. choice
  11. prompt "System type"
  12. default SGI_IP22
  13. config MACH_ALCHEMY
  14. bool "Alchemy processor based machines"
  15. config BASLER_EXCITE
  16. bool "Basler eXcite smart camera"
  17. select DMA_COHERENT
  18. select HW_HAS_PCI
  19. select IRQ_CPU
  20. select IRQ_CPU_RM7K
  21. select IRQ_CPU_RM9K
  22. select MIPS_RM9122
  23. select SYS_HAS_CPU_RM9000
  24. select SYS_SUPPORTS_32BIT_KERNEL
  25. select SYS_SUPPORTS_64BIT_KERNEL
  26. select SYS_SUPPORTS_BIG_ENDIAN
  27. select SYS_SUPPORTS_KGDB
  28. help
  29. The eXcite is a smart camera platform manufactured by
  30. Basler Vision Technologies AG.
  31. config BASLER_EXCITE_PROTOTYPE
  32. bool "Support for pre-release units"
  33. depends on BASLER_EXCITE
  34. default n
  35. help
  36. Pre-series (prototype) units are different from later ones in
  37. some ways. Select this option if you have one of these. Please
  38. note that a kernel built with this option selected will not be
  39. able to run on normal units.
  40. config MIPS_COBALT
  41. bool "Cobalt Server"
  42. select DMA_NONCOHERENT
  43. select HW_HAS_PCI
  44. select I8259
  45. select IRQ_CPU
  46. select PCI_GT64XXX_PCI0
  47. select SYS_HAS_CPU_NEVADA
  48. select SYS_HAS_EARLY_PRINTK
  49. select SYS_SUPPORTS_32BIT_KERNEL
  50. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  51. select SYS_SUPPORTS_LITTLE_ENDIAN
  52. select GENERIC_HARDIRQS_NO__DO_IRQ
  53. config MACH_DECSTATION
  54. bool "DECstations"
  55. select BOOT_ELF32
  56. select DMA_NONCOHERENT
  57. select NO_IOPORT
  58. select IRQ_CPU
  59. select SYS_HAS_CPU_R3000
  60. select SYS_HAS_CPU_R4X00
  61. select SYS_SUPPORTS_32BIT_KERNEL
  62. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  63. select SYS_SUPPORTS_LITTLE_ENDIAN
  64. select SYS_SUPPORTS_128HZ
  65. select SYS_SUPPORTS_256HZ
  66. select SYS_SUPPORTS_1024HZ
  67. help
  68. This enables support for DEC's MIPS based workstations. For details
  69. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  70. DECstation porting pages on <http://decstation.unix-ag.org/>.
  71. If you have one of the following DECstation Models you definitely
  72. want to choose R4xx0 for the CPU Type:
  73. DECstation 5000/50
  74. DECstation 5000/150
  75. DECstation 5000/260
  76. DECsystem 5900/260
  77. otherwise choose R3000.
  78. config MACH_JAZZ
  79. bool "Jazz family of machines"
  80. select ARC
  81. select ARC32
  82. select ARCH_MAY_HAVE_PC_FDC
  83. select GENERIC_ISA_DMA
  84. select I8253
  85. select I8259
  86. select ISA
  87. select SYS_HAS_CPU_R4X00
  88. select SYS_SUPPORTS_32BIT_KERNEL
  89. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  90. select SYS_SUPPORTS_100HZ
  91. select GENERIC_HARDIRQS_NO__DO_IRQ
  92. help
  93. This a family of machines based on the MIPS R4030 chipset which was
  94. used by several vendors to build RISC/os and Windows NT workstations.
  95. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  96. Olivetti M700-10 workstations.
  97. config LASAT
  98. bool "LASAT Networks platforms"
  99. select DMA_NONCOHERENT
  100. select SYS_HAS_EARLY_PRINTK
  101. select HW_HAS_PCI
  102. select PCI_GT64XXX_PCI0
  103. select MIPS_NILE4
  104. select R5000_CPU_SCACHE
  105. select SYS_HAS_CPU_R5000
  106. select SYS_SUPPORTS_32BIT_KERNEL
  107. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  108. select SYS_SUPPORTS_LITTLE_ENDIAN
  109. select GENERIC_HARDIRQS_NO__DO_IRQ
  110. config MIPS_ATLAS
  111. bool "MIPS Atlas board"
  112. select BOOT_ELF32
  113. select DMA_NONCOHERENT
  114. select SYS_HAS_EARLY_PRINTK
  115. select IRQ_CPU
  116. select HW_HAS_PCI
  117. select MIPS_BOARDS_GEN
  118. select MIPS_BONITO64
  119. select PCI_GT64XXX_PCI0
  120. select MIPS_MSC
  121. select RM7000_CPU_SCACHE
  122. select SWAP_IO_SPACE
  123. select SYS_HAS_CPU_MIPS32_R1
  124. select SYS_HAS_CPU_MIPS32_R2
  125. select SYS_HAS_CPU_MIPS64_R1
  126. select SYS_HAS_CPU_NEVADA
  127. select SYS_HAS_CPU_RM7000
  128. select SYS_SUPPORTS_32BIT_KERNEL
  129. select SYS_SUPPORTS_64BIT_KERNEL
  130. select SYS_SUPPORTS_BIG_ENDIAN
  131. select SYS_SUPPORTS_LITTLE_ENDIAN
  132. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  133. select SYS_SUPPORTS_SMARTMIPS
  134. select GENERIC_HARDIRQS_NO__DO_IRQ
  135. help
  136. This enables support for the MIPS Technologies Atlas evaluation
  137. board.
  138. config MIPS_MALTA
  139. bool "MIPS Malta board"
  140. select ARCH_MAY_HAVE_PC_FDC
  141. select BOOT_ELF32
  142. select DMA_NONCOHERENT
  143. select GENERIC_ISA_DMA
  144. select IRQ_CPU
  145. select HW_HAS_PCI
  146. select I8259
  147. select MIPS_BOARDS_GEN
  148. select MIPS_BONITO64
  149. select MIPS_CPU_SCACHE
  150. select PCI_GT64XXX_PCI0
  151. select MIPS_MSC
  152. select SWAP_IO_SPACE
  153. select SYS_HAS_CPU_MIPS32_R1
  154. select SYS_HAS_CPU_MIPS32_R2
  155. select SYS_HAS_CPU_MIPS64_R1
  156. select SYS_HAS_CPU_NEVADA
  157. select SYS_HAS_CPU_RM7000
  158. select SYS_HAS_EARLY_PRINTK
  159. select SYS_SUPPORTS_32BIT_KERNEL
  160. select SYS_SUPPORTS_64BIT_KERNEL
  161. select SYS_SUPPORTS_BIG_ENDIAN
  162. select SYS_SUPPORTS_LITTLE_ENDIAN
  163. select SYS_SUPPORTS_MULTITHREADING
  164. select SYS_SUPPORTS_SMARTMIPS
  165. help
  166. This enables support for the MIPS Technologies Malta evaluation
  167. board.
  168. config MIPS_SEAD
  169. bool "MIPS SEAD board (EXPERIMENTAL)"
  170. depends on EXPERIMENTAL
  171. select IRQ_CPU
  172. select DMA_NONCOHERENT
  173. select SYS_HAS_EARLY_PRINTK
  174. select MIPS_BOARDS_GEN
  175. select SYS_HAS_CPU_MIPS32_R1
  176. select SYS_HAS_CPU_MIPS32_R2
  177. select SYS_HAS_CPU_MIPS64_R1
  178. select SYS_SUPPORTS_32BIT_KERNEL
  179. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  180. select SYS_SUPPORTS_BIG_ENDIAN
  181. select SYS_SUPPORTS_LITTLE_ENDIAN
  182. select SYS_SUPPORTS_SMARTMIPS
  183. help
  184. This enables support for the MIPS Technologies SEAD evaluation
  185. board.
  186. config WR_PPMC
  187. bool "Wind River PPMC board"
  188. select IRQ_CPU
  189. select BOOT_ELF32
  190. select DMA_NONCOHERENT
  191. select HW_HAS_PCI
  192. select PCI_GT64XXX_PCI0
  193. select SWAP_IO_SPACE
  194. select SYS_HAS_CPU_MIPS32_R1
  195. select SYS_HAS_CPU_MIPS32_R2
  196. select SYS_HAS_CPU_MIPS64_R1
  197. select SYS_HAS_CPU_NEVADA
  198. select SYS_HAS_CPU_RM7000
  199. select SYS_SUPPORTS_32BIT_KERNEL
  200. select SYS_SUPPORTS_64BIT_KERNEL
  201. select SYS_SUPPORTS_BIG_ENDIAN
  202. select SYS_SUPPORTS_LITTLE_ENDIAN
  203. help
  204. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  205. board, which is based on GT64120 bridge chip.
  206. config MIPS_SIM
  207. bool 'MIPS simulator (MIPSsim)'
  208. select DMA_NONCOHERENT
  209. select SYS_HAS_EARLY_PRINTK
  210. select IRQ_CPU
  211. select SYS_HAS_CPU_MIPS32_R1
  212. select SYS_HAS_CPU_MIPS32_R2
  213. select SYS_HAS_EARLY_PRINTK
  214. select SYS_SUPPORTS_32BIT_KERNEL
  215. select SYS_SUPPORTS_BIG_ENDIAN
  216. select SYS_SUPPORTS_MULTITHREADING
  217. select SYS_SUPPORTS_LITTLE_ENDIAN
  218. help
  219. This option enables support for MIPS Technologies MIPSsim software
  220. emulator.
  221. config MOMENCO_OCELOT
  222. bool "Momentum Ocelot board"
  223. select DMA_NONCOHERENT
  224. select HW_HAS_PCI
  225. select IRQ_CPU
  226. select IRQ_CPU_RM7K
  227. select PCI_GT64XXX_PCI0
  228. select RM7000_CPU_SCACHE
  229. select SWAP_IO_SPACE
  230. select SYS_HAS_CPU_RM7000
  231. select SYS_SUPPORTS_32BIT_KERNEL
  232. select SYS_SUPPORTS_64BIT_KERNEL
  233. select SYS_SUPPORTS_BIG_ENDIAN
  234. select SYS_SUPPORTS_KGDB
  235. help
  236. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  237. Momentum Computer <http://www.momenco.com/>.
  238. config MOMENCO_OCELOT_3
  239. bool "Momentum Ocelot-3 board"
  240. select BOOT_ELF32
  241. select DMA_NONCOHERENT
  242. select HW_HAS_PCI
  243. select IRQ_CPU
  244. select IRQ_CPU_RM7K
  245. select IRQ_MV64340
  246. select PCI_MARVELL
  247. select RM7000_CPU_SCACHE
  248. select SWAP_IO_SPACE
  249. select SYS_HAS_CPU_RM9000
  250. select SYS_SUPPORTS_32BIT_KERNEL
  251. select SYS_SUPPORTS_64BIT_KERNEL
  252. select SYS_SUPPORTS_BIG_ENDIAN
  253. help
  254. The Ocelot-3 is based off Discovery III System Controller and
  255. PMC-Sierra Rm79000 core.
  256. config PNX8550_JBS
  257. bool "Philips PNX8550 based JBS board"
  258. select PNX8550
  259. select SYS_SUPPORTS_LITTLE_ENDIAN
  260. config PNX8550_STB810
  261. bool "Philips PNX8550 based STB810 board"
  262. select PNX8550
  263. select SYS_SUPPORTS_LITTLE_ENDIAN
  264. config DDB5477
  265. bool "NEC DDB Vrc-5477"
  266. select DDB5XXX_COMMON
  267. select DMA_NONCOHERENT
  268. select HW_HAS_PCI
  269. select I8259
  270. select IRQ_CPU
  271. select SYS_HAS_CPU_R5432
  272. select SYS_SUPPORTS_32BIT_KERNEL
  273. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  274. select SYS_SUPPORTS_KGDB
  275. select SYS_SUPPORTS_KGDB
  276. select SYS_SUPPORTS_LITTLE_ENDIAN
  277. help
  278. This enables support for the R5432-based NEC DDB Vrc-5477,
  279. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  280. Features : kernel debugging, serial terminal, NFS root fs, on-board
  281. ether port USB, AC97, PCI, etc.
  282. config MACH_VR41XX
  283. bool "NEC VR4100 series based machines"
  284. select SYS_HAS_CPU_VR41XX
  285. select GENERIC_HARDIRQS_NO__DO_IRQ
  286. config PMC_YOSEMITE
  287. bool "PMC-Sierra Yosemite eval board"
  288. select DMA_COHERENT
  289. select HW_HAS_PCI
  290. select IRQ_CPU
  291. select IRQ_CPU_RM7K
  292. select IRQ_CPU_RM9K
  293. select SWAP_IO_SPACE
  294. select SYS_HAS_CPU_RM9000
  295. select SYS_HAS_EARLY_PRINTK
  296. select SYS_SUPPORTS_32BIT_KERNEL
  297. select SYS_SUPPORTS_64BIT_KERNEL
  298. select SYS_SUPPORTS_BIG_ENDIAN
  299. select SYS_SUPPORTS_HIGHMEM
  300. select SYS_SUPPORTS_KGDB
  301. select SYS_SUPPORTS_SMP
  302. help
  303. Yosemite is an evaluation board for the RM9000x2 processor
  304. manufactured by PMC-Sierra.
  305. config QEMU
  306. bool "Qemu"
  307. select DMA_COHERENT
  308. select GENERIC_ISA_DMA
  309. select HAVE_STD_PC_SERIAL_PORT
  310. select I8253
  311. select I8259
  312. select ISA
  313. select SWAP_IO_SPACE
  314. select SYS_HAS_CPU_MIPS32_R1
  315. select SYS_SUPPORTS_32BIT_KERNEL
  316. select SYS_SUPPORTS_BIG_ENDIAN
  317. select SYS_SUPPORTS_LITTLE_ENDIAN
  318. select ARCH_SPARSEMEM_ENABLE
  319. select GENERIC_HARDIRQS_NO__DO_IRQ
  320. select NR_CPUS_DEFAULT_1
  321. select SYS_SUPPORTS_SMP
  322. help
  323. Qemu is a software emulator which among other architectures also
  324. can simulate a MIPS32 4Kc system. This patch adds support for the
  325. system architecture that currently is being simulated by Qemu. It
  326. will eventually be removed again when Qemu has the capability to
  327. simulate actual MIPS hardware platforms. More information on Qemu
  328. can be found at http://www.linux-mips.org/wiki/Qemu.
  329. config MARKEINS
  330. bool "NEC EMMA2RH Mark-eins"
  331. select DMA_NONCOHERENT
  332. select HW_HAS_PCI
  333. select IRQ_CPU
  334. select SWAP_IO_SPACE
  335. select SYS_SUPPORTS_32BIT_KERNEL
  336. select SYS_SUPPORTS_BIG_ENDIAN
  337. select SYS_SUPPORTS_LITTLE_ENDIAN
  338. select SYS_HAS_CPU_R5000
  339. help
  340. This enables support for the R5432-based NEC Mark-eins
  341. boards with R5500 CPU.
  342. config SGI_IP22
  343. bool "SGI IP22 (Indy/Indigo2)"
  344. select ARC
  345. select ARC32
  346. select BOOT_ELF32
  347. select DMA_NONCOHERENT
  348. select HW_HAS_EISA
  349. select IP22_CPU_SCACHE
  350. select IRQ_CPU
  351. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  352. select SWAP_IO_SPACE
  353. select SYS_HAS_CPU_R4X00
  354. select SYS_HAS_CPU_R5000
  355. select SYS_HAS_EARLY_PRINTK
  356. select SYS_SUPPORTS_32BIT_KERNEL
  357. select SYS_SUPPORTS_64BIT_KERNEL
  358. select SYS_SUPPORTS_BIG_ENDIAN
  359. help
  360. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  361. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  362. that runs on these, say Y here.
  363. config SGI_IP27
  364. bool "SGI IP27 (Origin200/2000)"
  365. select ARC
  366. select ARC64
  367. select BOOT_ELF64
  368. select DMA_IP27
  369. select SYS_HAS_EARLY_PRINTK
  370. select HW_HAS_PCI
  371. select NR_CPUS_DEFAULT_64
  372. select PCI_DOMAINS
  373. select SYS_HAS_CPU_R10000
  374. select SYS_SUPPORTS_64BIT_KERNEL
  375. select SYS_SUPPORTS_BIG_ENDIAN
  376. select SYS_SUPPORTS_KGDB
  377. select SYS_SUPPORTS_NUMA
  378. select SYS_SUPPORTS_SMP
  379. select GENERIC_HARDIRQS_NO__DO_IRQ
  380. help
  381. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  382. workstations. To compile a Linux kernel that runs on these, say Y
  383. here.
  384. config SGI_IP32
  385. bool "SGI IP32 (O2)"
  386. select ARC
  387. select ARC32
  388. select BOOT_ELF32
  389. select DMA_NONCOHERENT
  390. select HW_HAS_PCI
  391. select R5000_CPU_SCACHE
  392. select RM7000_CPU_SCACHE
  393. select SYS_HAS_CPU_R5000
  394. select SYS_HAS_CPU_R10000 if BROKEN
  395. select SYS_HAS_CPU_RM7000
  396. select SYS_HAS_CPU_NEVADA
  397. select SYS_SUPPORTS_64BIT_KERNEL
  398. select SYS_SUPPORTS_BIG_ENDIAN
  399. help
  400. If you want this kernel to run on SGI O2 workstation, say Y here.
  401. config SIBYTE_BIGSUR
  402. bool "Sibyte BCM91480B-BigSur"
  403. select BOOT_ELF32
  404. select DMA_COHERENT
  405. select NR_CPUS_DEFAULT_4
  406. select PCI_DOMAINS
  407. select SIBYTE_BCM1x80
  408. select SWAP_IO_SPACE
  409. select SYS_HAS_CPU_SB1
  410. select SYS_SUPPORTS_BIG_ENDIAN
  411. select SYS_SUPPORTS_LITTLE_ENDIAN
  412. config SIBYTE_SWARM
  413. bool "Sibyte BCM91250A-SWARM"
  414. select BOOT_ELF32
  415. select DMA_COHERENT
  416. select NR_CPUS_DEFAULT_2
  417. select SIBYTE_SB1250
  418. select SWAP_IO_SPACE
  419. select SYS_HAS_CPU_SB1
  420. select SYS_SUPPORTS_BIG_ENDIAN
  421. select SYS_SUPPORTS_HIGHMEM
  422. select SYS_SUPPORTS_KGDB
  423. select SYS_SUPPORTS_LITTLE_ENDIAN
  424. config SIBYTE_SENTOSA
  425. bool "Sibyte BCM91250E-Sentosa"
  426. depends on EXPERIMENTAL
  427. select BOOT_ELF32
  428. select DMA_COHERENT
  429. select NR_CPUS_DEFAULT_2
  430. select SIBYTE_SB1250
  431. select SWAP_IO_SPACE
  432. select SYS_HAS_CPU_SB1
  433. select SYS_SUPPORTS_BIG_ENDIAN
  434. select SYS_SUPPORTS_LITTLE_ENDIAN
  435. config SIBYTE_RHONE
  436. bool "Sibyte BCM91125E-Rhone"
  437. depends on EXPERIMENTAL
  438. select BOOT_ELF32
  439. select DMA_COHERENT
  440. select SIBYTE_BCM1125H
  441. select SWAP_IO_SPACE
  442. select SYS_HAS_CPU_SB1
  443. select SYS_SUPPORTS_BIG_ENDIAN
  444. select SYS_SUPPORTS_LITTLE_ENDIAN
  445. config SIBYTE_CARMEL
  446. bool "Sibyte BCM91120x-Carmel"
  447. depends on EXPERIMENTAL
  448. select BOOT_ELF32
  449. select DMA_COHERENT
  450. select SIBYTE_BCM1120
  451. select SWAP_IO_SPACE
  452. select SYS_HAS_CPU_SB1
  453. select SYS_SUPPORTS_BIG_ENDIAN
  454. select SYS_SUPPORTS_LITTLE_ENDIAN
  455. config SIBYTE_PTSWARM
  456. bool "Sibyte BCM91250PT-PTSWARM"
  457. depends on EXPERIMENTAL
  458. select BOOT_ELF32
  459. select DMA_COHERENT
  460. select NR_CPUS_DEFAULT_2
  461. select SIBYTE_SB1250
  462. select SWAP_IO_SPACE
  463. select SYS_HAS_CPU_SB1
  464. select SYS_SUPPORTS_BIG_ENDIAN
  465. select SYS_SUPPORTS_HIGHMEM
  466. select SYS_SUPPORTS_LITTLE_ENDIAN
  467. config SIBYTE_LITTLESUR
  468. bool "Sibyte BCM91250C2-LittleSur"
  469. depends on EXPERIMENTAL
  470. select BOOT_ELF32
  471. select DMA_COHERENT
  472. select NR_CPUS_DEFAULT_2
  473. select SIBYTE_SB1250
  474. select SWAP_IO_SPACE
  475. select SYS_HAS_CPU_SB1
  476. select SYS_SUPPORTS_BIG_ENDIAN
  477. select SYS_SUPPORTS_HIGHMEM
  478. select SYS_SUPPORTS_LITTLE_ENDIAN
  479. config SIBYTE_CRHINE
  480. bool "Sibyte BCM91120C-CRhine"
  481. depends on EXPERIMENTAL
  482. select BOOT_ELF32
  483. select DMA_COHERENT
  484. select SIBYTE_BCM1120
  485. select SWAP_IO_SPACE
  486. select SYS_HAS_CPU_SB1
  487. select SYS_SUPPORTS_BIG_ENDIAN
  488. select SYS_SUPPORTS_LITTLE_ENDIAN
  489. config SIBYTE_CRHONE
  490. bool "Sibyte BCM91125C-CRhone"
  491. depends on EXPERIMENTAL
  492. select BOOT_ELF32
  493. select DMA_COHERENT
  494. select SIBYTE_BCM1125
  495. select SWAP_IO_SPACE
  496. select SYS_HAS_CPU_SB1
  497. select SYS_SUPPORTS_BIG_ENDIAN
  498. select SYS_SUPPORTS_HIGHMEM
  499. select SYS_SUPPORTS_LITTLE_ENDIAN
  500. config SNI_RM
  501. bool "SNI RM200/300/400"
  502. select ARC if CPU_LITTLE_ENDIAN
  503. select ARC32 if CPU_LITTLE_ENDIAN
  504. select ARCH_MAY_HAVE_PC_FDC
  505. select BOOT_ELF32
  506. select DMA_NONCOHERENT
  507. select GENERIC_ISA_DMA
  508. select HW_HAS_EISA
  509. select HW_HAS_PCI
  510. select IRQ_CPU
  511. select I8253
  512. select I8259
  513. select ISA
  514. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  515. select SYS_HAS_CPU_R4X00
  516. select SYS_HAS_CPU_R5000
  517. select SYS_HAS_CPU_R10000
  518. select R5000_CPU_SCACHE
  519. select SYS_HAS_EARLY_PRINTK
  520. select SYS_SUPPORTS_32BIT_KERNEL
  521. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  522. select SYS_SUPPORTS_BIG_ENDIAN
  523. select SYS_SUPPORTS_HIGHMEM
  524. select SYS_SUPPORTS_LITTLE_ENDIAN
  525. help
  526. The SNI RM200/300/400 are MIPS-based machines manufactured by
  527. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  528. Technology and now in turn merged with Fujitsu. Say Y here to
  529. support this machine type.
  530. config TOSHIBA_JMR3927
  531. bool "Toshiba JMR-TX3927 board"
  532. select DMA_NONCOHERENT
  533. select HW_HAS_PCI
  534. select MIPS_TX3927
  535. select SWAP_IO_SPACE
  536. select SYS_HAS_CPU_TX39XX
  537. select SYS_SUPPORTS_32BIT_KERNEL
  538. select SYS_SUPPORTS_LITTLE_ENDIAN
  539. select SYS_SUPPORTS_BIG_ENDIAN
  540. select GENERIC_HARDIRQS_NO__DO_IRQ
  541. config TOSHIBA_RBTX4927
  542. bool "Toshiba TBTX49[23]7 board"
  543. select DMA_NONCOHERENT
  544. select HAS_TXX9_SERIAL
  545. select HW_HAS_PCI
  546. select I8259
  547. select SWAP_IO_SPACE
  548. select SYS_HAS_CPU_TX49XX
  549. select SYS_SUPPORTS_32BIT_KERNEL
  550. select SYS_SUPPORTS_64BIT_KERNEL
  551. select SYS_SUPPORTS_LITTLE_ENDIAN
  552. select SYS_SUPPORTS_BIG_ENDIAN
  553. select SYS_SUPPORTS_KGDB
  554. select GENERIC_HARDIRQS_NO__DO_IRQ
  555. help
  556. This Toshiba board is based on the TX4927 processor. Say Y here to
  557. support this machine type
  558. config TOSHIBA_RBTX4938
  559. bool "Toshiba RBTX4938 board"
  560. select HAVE_STD_PC_SERIAL_PORT
  561. select DMA_NONCOHERENT
  562. select GENERIC_ISA_DMA
  563. select HAS_TXX9_SERIAL
  564. select HW_HAS_PCI
  565. select I8259
  566. select SWAP_IO_SPACE
  567. select SYS_HAS_CPU_TX49XX
  568. select SYS_SUPPORTS_32BIT_KERNEL
  569. select SYS_SUPPORTS_LITTLE_ENDIAN
  570. select SYS_SUPPORTS_BIG_ENDIAN
  571. select SYS_SUPPORTS_KGDB
  572. select GENERIC_HARDIRQS_NO__DO_IRQ
  573. help
  574. This Toshiba board is based on the TX4938 processor. Say Y here to
  575. support this machine type
  576. endchoice
  577. source "arch/mips/au1000/Kconfig"
  578. source "arch/mips/ddb5xxx/Kconfig"
  579. source "arch/mips/jazz/Kconfig"
  580. source "arch/mips/lasat/Kconfig"
  581. source "arch/mips/pmc-sierra/Kconfig"
  582. source "arch/mips/sgi-ip27/Kconfig"
  583. source "arch/mips/sibyte/Kconfig"
  584. source "arch/mips/tx4927/Kconfig"
  585. source "arch/mips/tx4938/Kconfig"
  586. source "arch/mips/vr41xx/Kconfig"
  587. source "arch/mips/philips/pnx8550/common/Kconfig"
  588. endmenu
  589. config RWSEM_GENERIC_SPINLOCK
  590. bool
  591. default y
  592. config RWSEM_XCHGADD_ALGORITHM
  593. bool
  594. config ARCH_HAS_ILOG2_U32
  595. bool
  596. default n
  597. config ARCH_HAS_ILOG2_U64
  598. bool
  599. default n
  600. config GENERIC_FIND_NEXT_BIT
  601. bool
  602. default y
  603. config GENERIC_HWEIGHT
  604. bool
  605. default y
  606. config GENERIC_CALIBRATE_DELAY
  607. bool
  608. default y
  609. config GENERIC_TIME
  610. bool
  611. default y
  612. config SCHED_NO_NO_OMIT_FRAME_POINTER
  613. bool
  614. default y
  615. config GENERIC_HARDIRQS_NO__DO_IRQ
  616. bool
  617. default n
  618. #
  619. # Select some configuration options automatically based on user selections.
  620. #
  621. config ARC
  622. bool
  623. config ARCH_MAY_HAVE_PC_FDC
  624. bool
  625. config DMA_COHERENT
  626. bool
  627. config DMA_IP27
  628. bool
  629. config DMA_IP32
  630. bool
  631. select DMA_NEED_PCI_MAP_STATE
  632. config DMA_NONCOHERENT
  633. bool
  634. select DMA_NEED_PCI_MAP_STATE
  635. config DMA_NEED_PCI_MAP_STATE
  636. bool
  637. config EARLY_PRINTK
  638. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  639. depends on SYS_HAS_EARLY_PRINTK
  640. default y
  641. help
  642. This option enables special console drivers which allow the kernel
  643. to print messages very early in the bootup process.
  644. This is useful for kernel debugging when your machine crashes very
  645. early before the console code is initialized. For normal operation,
  646. it is not recommended because it looks ugly on some machines and
  647. doesn't cooperate with an X server. You should normally say N here,
  648. unless you want to debug such a crash.
  649. config SYS_HAS_EARLY_PRINTK
  650. bool
  651. config GENERIC_ISA_DMA
  652. bool
  653. select ZONE_DMA
  654. config I8259
  655. bool
  656. config MIPS_BONITO64
  657. bool
  658. config MIPS_MSC
  659. bool
  660. config MIPS_NILE4
  661. bool
  662. config MIPS_DISABLE_OBSOLETE_IDE
  663. bool
  664. config NO_IOPORT
  665. def_bool n
  666. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  667. bool
  668. select ZONE_DMA
  669. config GENERIC_GPIO
  670. bool
  671. #
  672. # Endianess selection. Sufficiently obscure so many users don't know what to
  673. # answer,so we try hard to limit the available choices. Also the use of a
  674. # choice statement should be more obvious to the user.
  675. #
  676. choice
  677. prompt "Endianess selection"
  678. help
  679. Some MIPS machines can be configured for either little or big endian
  680. byte order. These modes require different kernels and a different
  681. Linux distribution. In general there is one preferred byteorder for a
  682. particular system but some systems are just as commonly used in the
  683. one or the other endianness.
  684. config CPU_BIG_ENDIAN
  685. bool "Big endian"
  686. depends on SYS_SUPPORTS_BIG_ENDIAN
  687. config CPU_LITTLE_ENDIAN
  688. bool "Little endian"
  689. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  690. help
  691. endchoice
  692. config SYS_SUPPORTS_APM_EMULATION
  693. bool
  694. config SYS_SUPPORTS_BIG_ENDIAN
  695. bool
  696. config SYS_SUPPORTS_LITTLE_ENDIAN
  697. bool
  698. config IRQ_CPU
  699. bool
  700. config IRQ_CPU_RM7K
  701. bool
  702. config IRQ_CPU_RM9K
  703. bool
  704. config IRQ_MV64340
  705. bool
  706. config DDB5XXX_COMMON
  707. bool
  708. select SYS_SUPPORTS_KGDB
  709. config MIPS_BOARDS_GEN
  710. bool
  711. config PCI_GT64XXX_PCI0
  712. bool
  713. config MIPS_TX3927
  714. bool
  715. select HAS_TXX9_SERIAL
  716. config MIPS_RM9122
  717. bool
  718. select SERIAL_RM9000
  719. config PCI_MARVELL
  720. bool
  721. config PNX8550
  722. bool
  723. select SOC_PNX8550
  724. config SOC_PNX8550
  725. bool
  726. select DMA_NONCOHERENT
  727. select HW_HAS_PCI
  728. select SYS_HAS_CPU_MIPS32_R1
  729. select SYS_HAS_EARLY_PRINTK
  730. select SYS_SUPPORTS_32BIT_KERNEL
  731. select GENERIC_HARDIRQS_NO__DO_IRQ
  732. select SYS_SUPPORTS_KGDB
  733. select GENERIC_GPIO
  734. config SWAP_IO_SPACE
  735. bool
  736. config EMMA2RH
  737. bool
  738. depends on MARKEINS
  739. default y
  740. config SERIAL_RM9000
  741. bool
  742. #
  743. # Unfortunately not all GT64120 systems run the chip at the same clock.
  744. # As the user for the clock rate and try to minimize the available options.
  745. #
  746. choice
  747. prompt "Galileo Chip Clock"
  748. depends on MOMENCO_OCELOT
  749. default SYSCLK_100 if MOMENCO_OCELOT
  750. config SYSCLK_100
  751. bool "100" if MOMENCO_OCELOT
  752. endchoice
  753. config ARC32
  754. bool
  755. config BOOT_ELF32
  756. bool
  757. config MIPS_L1_CACHE_SHIFT
  758. int
  759. default "4" if MACH_DECSTATION || SNI_RM
  760. default "7" if SGI_IP27
  761. default "5"
  762. config HAVE_STD_PC_SERIAL_PORT
  763. bool
  764. config ARC_CONSOLE
  765. bool "ARC console support"
  766. depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
  767. config ARC_MEMORY
  768. bool
  769. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  770. default y
  771. config ARC_PROMLIB
  772. bool
  773. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
  774. default y
  775. config ARC64
  776. bool
  777. config BOOT_ELF64
  778. bool
  779. menu "CPU selection"
  780. choice
  781. prompt "CPU type"
  782. default CPU_R4X00
  783. config CPU_MIPS32_R1
  784. bool "MIPS32 Release 1"
  785. depends on SYS_HAS_CPU_MIPS32_R1
  786. select CPU_HAS_LLSC
  787. select CPU_HAS_PREFETCH
  788. select CPU_SUPPORTS_32BIT_KERNEL
  789. select CPU_SUPPORTS_HIGHMEM
  790. help
  791. Choose this option to build a kernel for release 1 or later of the
  792. MIPS32 architecture. Most modern embedded systems with a 32-bit
  793. MIPS processor are based on a MIPS32 processor. If you know the
  794. specific type of processor in your system, choose those that one
  795. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  796. Release 2 of the MIPS32 architecture is available since several
  797. years so chances are you even have a MIPS32 Release 2 processor
  798. in which case you should choose CPU_MIPS32_R2 instead for better
  799. performance.
  800. config CPU_MIPS32_R2
  801. bool "MIPS32 Release 2"
  802. depends on SYS_HAS_CPU_MIPS32_R2
  803. select CPU_HAS_LLSC
  804. select CPU_HAS_PREFETCH
  805. select CPU_SUPPORTS_32BIT_KERNEL
  806. select CPU_SUPPORTS_HIGHMEM
  807. help
  808. Choose this option to build a kernel for release 2 or later of the
  809. MIPS32 architecture. Most modern embedded systems with a 32-bit
  810. MIPS processor are based on a MIPS32 processor. If you know the
  811. specific type of processor in your system, choose those that one
  812. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  813. config CPU_MIPS64_R1
  814. bool "MIPS64 Release 1"
  815. depends on SYS_HAS_CPU_MIPS64_R1
  816. select CPU_HAS_LLSC
  817. select CPU_HAS_PREFETCH
  818. select CPU_SUPPORTS_32BIT_KERNEL
  819. select CPU_SUPPORTS_64BIT_KERNEL
  820. select CPU_SUPPORTS_HIGHMEM
  821. help
  822. Choose this option to build a kernel for release 1 or later of the
  823. MIPS64 architecture. Many modern embedded systems with a 64-bit
  824. MIPS processor are based on a MIPS64 processor. If you know the
  825. specific type of processor in your system, choose those that one
  826. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  827. Release 2 of the MIPS64 architecture is available since several
  828. years so chances are you even have a MIPS64 Release 2 processor
  829. in which case you should choose CPU_MIPS64_R2 instead for better
  830. performance.
  831. config CPU_MIPS64_R2
  832. bool "MIPS64 Release 2"
  833. depends on SYS_HAS_CPU_MIPS64_R2
  834. select CPU_HAS_LLSC
  835. select CPU_HAS_PREFETCH
  836. select CPU_SUPPORTS_32BIT_KERNEL
  837. select CPU_SUPPORTS_64BIT_KERNEL
  838. select CPU_SUPPORTS_HIGHMEM
  839. help
  840. Choose this option to build a kernel for release 2 or later of the
  841. MIPS64 architecture. Many modern embedded systems with a 64-bit
  842. MIPS processor are based on a MIPS64 processor. If you know the
  843. specific type of processor in your system, choose those that one
  844. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  845. config CPU_R3000
  846. bool "R3000"
  847. depends on SYS_HAS_CPU_R3000
  848. select CPU_HAS_WB
  849. select CPU_SUPPORTS_32BIT_KERNEL
  850. select CPU_SUPPORTS_HIGHMEM
  851. help
  852. Please make sure to pick the right CPU type. Linux/MIPS is not
  853. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  854. *not* work on R4000 machines and vice versa. However, since most
  855. of the supported machines have an R4000 (or similar) CPU, R4x00
  856. might be a safe bet. If the resulting kernel does not work,
  857. try to recompile with R3000.
  858. config CPU_TX39XX
  859. bool "R39XX"
  860. depends on SYS_HAS_CPU_TX39XX
  861. select CPU_SUPPORTS_32BIT_KERNEL
  862. config CPU_VR41XX
  863. bool "R41xx"
  864. depends on SYS_HAS_CPU_VR41XX
  865. select CPU_SUPPORTS_32BIT_KERNEL
  866. select CPU_SUPPORTS_64BIT_KERNEL
  867. help
  868. The options selects support for the NEC VR4100 series of processors.
  869. Only choose this option if you have one of these processors as a
  870. kernel built with this option will not run on any other type of
  871. processor or vice versa.
  872. config CPU_R4300
  873. bool "R4300"
  874. depends on SYS_HAS_CPU_R4300
  875. select CPU_HAS_LLSC
  876. select CPU_SUPPORTS_32BIT_KERNEL
  877. select CPU_SUPPORTS_64BIT_KERNEL
  878. help
  879. MIPS Technologies R4300-series processors.
  880. config CPU_R4X00
  881. bool "R4x00"
  882. depends on SYS_HAS_CPU_R4X00
  883. select CPU_HAS_LLSC
  884. select CPU_SUPPORTS_32BIT_KERNEL
  885. select CPU_SUPPORTS_64BIT_KERNEL
  886. help
  887. MIPS Technologies R4000-series processors other than 4300, including
  888. the R4000, R4400, R4600, and 4700.
  889. config CPU_TX49XX
  890. bool "R49XX"
  891. depends on SYS_HAS_CPU_TX49XX
  892. select CPU_HAS_LLSC
  893. select CPU_HAS_PREFETCH
  894. select CPU_SUPPORTS_32BIT_KERNEL
  895. select CPU_SUPPORTS_64BIT_KERNEL
  896. config CPU_R5000
  897. bool "R5000"
  898. depends on SYS_HAS_CPU_R5000
  899. select CPU_HAS_LLSC
  900. select CPU_SUPPORTS_32BIT_KERNEL
  901. select CPU_SUPPORTS_64BIT_KERNEL
  902. help
  903. MIPS Technologies R5000-series processors other than the Nevada.
  904. config CPU_R5432
  905. bool "R5432"
  906. depends on SYS_HAS_CPU_R5432
  907. select CPU_HAS_LLSC
  908. select CPU_SUPPORTS_32BIT_KERNEL
  909. select CPU_SUPPORTS_64BIT_KERNEL
  910. config CPU_R6000
  911. bool "R6000"
  912. depends on EXPERIMENTAL
  913. select CPU_HAS_LLSC
  914. depends on SYS_HAS_CPU_R6000
  915. select CPU_SUPPORTS_32BIT_KERNEL
  916. help
  917. MIPS Technologies R6000 and R6000A series processors. Note these
  918. processors are extremely rare and the support for them is incomplete.
  919. config CPU_NEVADA
  920. bool "RM52xx"
  921. depends on SYS_HAS_CPU_NEVADA
  922. select CPU_HAS_LLSC
  923. select CPU_SUPPORTS_32BIT_KERNEL
  924. select CPU_SUPPORTS_64BIT_KERNEL
  925. help
  926. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  927. config CPU_R8000
  928. bool "R8000"
  929. depends on EXPERIMENTAL
  930. depends on SYS_HAS_CPU_R8000
  931. select CPU_HAS_LLSC
  932. select CPU_HAS_PREFETCH
  933. select CPU_SUPPORTS_64BIT_KERNEL
  934. help
  935. MIPS Technologies R8000 processors. Note these processors are
  936. uncommon and the support for them is incomplete.
  937. config CPU_R10000
  938. bool "R10000"
  939. depends on SYS_HAS_CPU_R10000
  940. select CPU_HAS_LLSC
  941. select CPU_HAS_PREFETCH
  942. select CPU_SUPPORTS_32BIT_KERNEL
  943. select CPU_SUPPORTS_64BIT_KERNEL
  944. select CPU_SUPPORTS_HIGHMEM
  945. help
  946. MIPS Technologies R10000-series processors.
  947. config CPU_RM7000
  948. bool "RM7000"
  949. depends on SYS_HAS_CPU_RM7000
  950. select CPU_HAS_LLSC
  951. select CPU_HAS_PREFETCH
  952. select CPU_SUPPORTS_32BIT_KERNEL
  953. select CPU_SUPPORTS_64BIT_KERNEL
  954. select CPU_SUPPORTS_HIGHMEM
  955. config CPU_RM9000
  956. bool "RM9000"
  957. depends on SYS_HAS_CPU_RM9000
  958. select CPU_HAS_LLSC
  959. select CPU_HAS_PREFETCH
  960. select CPU_SUPPORTS_32BIT_KERNEL
  961. select CPU_SUPPORTS_64BIT_KERNEL
  962. select CPU_SUPPORTS_HIGHMEM
  963. select WEAK_ORDERING
  964. config CPU_SB1
  965. bool "SB1"
  966. depends on SYS_HAS_CPU_SB1
  967. select CPU_HAS_LLSC
  968. select CPU_SUPPORTS_32BIT_KERNEL
  969. select CPU_SUPPORTS_64BIT_KERNEL
  970. select CPU_SUPPORTS_HIGHMEM
  971. select WEAK_ORDERING
  972. endchoice
  973. config SYS_HAS_CPU_MIPS32_R1
  974. bool
  975. config SYS_HAS_CPU_MIPS32_R2
  976. bool
  977. config SYS_HAS_CPU_MIPS64_R1
  978. bool
  979. config SYS_HAS_CPU_MIPS64_R2
  980. bool
  981. config SYS_HAS_CPU_R3000
  982. bool
  983. config SYS_HAS_CPU_TX39XX
  984. bool
  985. config SYS_HAS_CPU_VR41XX
  986. bool
  987. config SYS_HAS_CPU_R4300
  988. bool
  989. config SYS_HAS_CPU_R4X00
  990. bool
  991. config SYS_HAS_CPU_TX49XX
  992. bool
  993. config SYS_HAS_CPU_R5000
  994. bool
  995. config SYS_HAS_CPU_R5432
  996. bool
  997. config SYS_HAS_CPU_R6000
  998. bool
  999. config SYS_HAS_CPU_NEVADA
  1000. bool
  1001. config SYS_HAS_CPU_R8000
  1002. bool
  1003. config SYS_HAS_CPU_R10000
  1004. bool
  1005. config SYS_HAS_CPU_RM7000
  1006. bool
  1007. config SYS_HAS_CPU_RM9000
  1008. bool
  1009. config SYS_HAS_CPU_SB1
  1010. bool
  1011. config WEAK_ORDERING
  1012. bool
  1013. endmenu
  1014. #
  1015. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1016. #
  1017. config CPU_MIPS32
  1018. bool
  1019. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1020. config CPU_MIPS64
  1021. bool
  1022. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1023. #
  1024. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1025. #
  1026. config CPU_MIPSR1
  1027. bool
  1028. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1029. config CPU_MIPSR2
  1030. bool
  1031. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1032. config SYS_SUPPORTS_32BIT_KERNEL
  1033. bool
  1034. config SYS_SUPPORTS_64BIT_KERNEL
  1035. bool
  1036. config CPU_SUPPORTS_32BIT_KERNEL
  1037. bool
  1038. config CPU_SUPPORTS_64BIT_KERNEL
  1039. bool
  1040. menu "Kernel type"
  1041. choice
  1042. prompt "Kernel code model"
  1043. help
  1044. You should only select this option if you have a workload that
  1045. actually benefits from 64-bit processing or if your machine has
  1046. large memory. You will only be presented a single option in this
  1047. menu if your system does not support both 32-bit and 64-bit kernels.
  1048. config 32BIT
  1049. bool "32-bit kernel"
  1050. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1051. select TRAD_SIGNALS
  1052. help
  1053. Select this option if you want to build a 32-bit kernel.
  1054. config 64BIT
  1055. bool "64-bit kernel"
  1056. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1057. help
  1058. Select this option if you want to build a 64-bit kernel.
  1059. endchoice
  1060. choice
  1061. prompt "Kernel page size"
  1062. default PAGE_SIZE_4KB
  1063. config PAGE_SIZE_4KB
  1064. bool "4kB"
  1065. help
  1066. This option select the standard 4kB Linux page size. On some
  1067. R3000-family processors this is the only available page size. Using
  1068. 4kB page size will minimize memory consumption and is therefore
  1069. recommended for low memory systems.
  1070. config PAGE_SIZE_8KB
  1071. bool "8kB"
  1072. depends on EXPERIMENTAL && CPU_R8000
  1073. help
  1074. Using 8kB page size will result in higher performance kernel at
  1075. the price of higher memory consumption. This option is available
  1076. only on the R8000 processor. Not that at the time of this writing
  1077. this option is still high experimental; there are also issues with
  1078. compatibility of user applications.
  1079. config PAGE_SIZE_16KB
  1080. bool "16kB"
  1081. depends on !CPU_R3000 && !CPU_TX39XX
  1082. help
  1083. Using 16kB page size will result in higher performance kernel at
  1084. the price of higher memory consumption. This option is available on
  1085. all non-R3000 family processors. Note that you will need a suitable
  1086. Linux distribution to support this.
  1087. config PAGE_SIZE_64KB
  1088. bool "64kB"
  1089. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1090. help
  1091. Using 64kB page size will result in higher performance kernel at
  1092. the price of higher memory consumption. This option is available on
  1093. all non-R3000 family processor. Not that at the time of this
  1094. writing this option is still high experimental.
  1095. endchoice
  1096. config BOARD_SCACHE
  1097. bool
  1098. config IP22_CPU_SCACHE
  1099. bool
  1100. select BOARD_SCACHE
  1101. #
  1102. # Support for a MIPS32 / MIPS64 style S-caches
  1103. #
  1104. config MIPS_CPU_SCACHE
  1105. bool
  1106. select BOARD_SCACHE
  1107. config R5000_CPU_SCACHE
  1108. bool
  1109. select BOARD_SCACHE
  1110. config RM7000_CPU_SCACHE
  1111. bool
  1112. select BOARD_SCACHE
  1113. config SIBYTE_DMA_PAGEOPS
  1114. bool "Use DMA to clear/copy pages"
  1115. depends on CPU_SB1
  1116. help
  1117. Instead of using the CPU to zero and copy pages, use a Data Mover
  1118. channel. These DMA channels are otherwise unused by the standard
  1119. SiByte Linux port. Seems to give a small performance benefit.
  1120. config CPU_HAS_PREFETCH
  1121. bool
  1122. choice
  1123. prompt "MIPS MT options"
  1124. config MIPS_MT_DISABLED
  1125. bool "Disable multithreading support."
  1126. help
  1127. Use this option if your workload can't take advantage of
  1128. MIPS hardware multithreading support. On systems that don't have
  1129. the option of an MT-enabled processor this option will be the only
  1130. option in this menu.
  1131. config MIPS_MT_SMP
  1132. bool "Use 1 TC on each available VPE for SMP"
  1133. depends on SYS_SUPPORTS_MULTITHREADING
  1134. select CPU_MIPSR2_IRQ_VI
  1135. select CPU_MIPSR2_IRQ_EI
  1136. select CPU_MIPSR2_SRS
  1137. select MIPS_MT
  1138. select NR_CPUS_DEFAULT_2
  1139. select SMP
  1140. select SYS_SUPPORTS_SMP
  1141. help
  1142. This is a kernel model which is also known a VSMP or lately
  1143. has been marketesed into SMVP.
  1144. config MIPS_MT_SMTC
  1145. bool "SMTC: Use all TCs on all VPEs for SMP"
  1146. depends on CPU_MIPS32_R2
  1147. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1148. depends on SYS_SUPPORTS_MULTITHREADING
  1149. select CPU_MIPSR2_IRQ_VI
  1150. select CPU_MIPSR2_IRQ_EI
  1151. select CPU_MIPSR2_SRS
  1152. select MIPS_MT
  1153. select NR_CPUS_DEFAULT_8
  1154. select SMP
  1155. select SYS_SUPPORTS_SMP
  1156. help
  1157. This is a kernel model which is known a SMTC or lately has been
  1158. marketesed into SMVP.
  1159. config MIPS_VPE_LOADER
  1160. bool "VPE loader support."
  1161. depends on SYS_SUPPORTS_MULTITHREADING
  1162. select CPU_MIPSR2_IRQ_VI
  1163. select CPU_MIPSR2_IRQ_EI
  1164. select CPU_MIPSR2_SRS
  1165. select MIPS_MT
  1166. help
  1167. Includes a loader for loading an elf relocatable object
  1168. onto another VPE and running it.
  1169. endchoice
  1170. config MIPS_MT
  1171. bool
  1172. config SYS_SUPPORTS_MULTITHREADING
  1173. bool
  1174. config MIPS_MT_FPAFF
  1175. bool "Dynamic FPU affinity for FP-intensive threads"
  1176. depends on MIPS_MT
  1177. default y
  1178. config MIPS_MT_SMTC_INSTANT_REPLAY
  1179. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1180. depends on MIPS_MT_SMTC && !PREEMPT
  1181. default y
  1182. help
  1183. SMTC pseudo-interrupts between TCs are deferred and queued
  1184. if the target TC is interrupt-inhibited (IXMT). In the first
  1185. SMTC prototypes, these queued IPIs were serviced on return
  1186. to user mode, or on entry into the kernel idle loop. The
  1187. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1188. processing, which adds runtime overhead (hence the option to turn
  1189. it off), but ensures that IPIs are handled promptly even under
  1190. heavy I/O interrupt load.
  1191. config MIPS_VPE_LOADER_TOM
  1192. bool "Load VPE program into memory hidden from linux"
  1193. depends on MIPS_VPE_LOADER
  1194. default y
  1195. help
  1196. The loader can use memory that is present but has been hidden from
  1197. Linux using the kernel command line option "mem=xxMB". It's up to
  1198. you to ensure the amount you put in the option and the space your
  1199. program requires is less or equal to the amount physically present.
  1200. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1201. config MIPS_VPE_APSP_API
  1202. bool "Enable support for AP/SP API (RTLX)"
  1203. depends on MIPS_VPE_LOADER
  1204. help
  1205. config MIPS_APSP_KSPD
  1206. bool "Enable KSPD"
  1207. depends on MIPS_VPE_APSP_API
  1208. default y
  1209. help
  1210. KSPD is a kernel daemon that accepts syscall requests from the SP
  1211. side, actions them and returns the results. It also handles the
  1212. "exit" syscall notifying other kernel modules the SP program is
  1213. exiting. You probably want to say yes here.
  1214. config SB1_PASS_1_WORKAROUNDS
  1215. bool
  1216. depends on CPU_SB1_PASS_1
  1217. default y
  1218. config SB1_PASS_2_WORKAROUNDS
  1219. bool
  1220. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1221. default y
  1222. config SB1_PASS_2_1_WORKAROUNDS
  1223. bool
  1224. depends on CPU_SB1 && CPU_SB1_PASS_2
  1225. default y
  1226. config 64BIT_PHYS_ADDR
  1227. bool "Support for 64-bit physical address space"
  1228. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1229. config CPU_HAS_LLSC
  1230. bool
  1231. config CPU_HAS_SMARTMIPS
  1232. depends on SYS_SUPPORTS_SMARTMIPS
  1233. bool "Support for the SmartMIPS ASE"
  1234. help
  1235. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1236. increased security at both hardware and software level for
  1237. smartcards. Enabling this option will allow proper use of the
  1238. SmartMIPS instructions by Linux applications. However a kernel with
  1239. this option will not work on a MIPS core without SmartMIPS core. If
  1240. you don't know you probably don't have SmartMIPS and should say N
  1241. here.
  1242. config CPU_HAS_WB
  1243. bool
  1244. #
  1245. # Vectored interrupt mode is an R2 feature
  1246. #
  1247. config CPU_MIPSR2_IRQ_VI
  1248. bool
  1249. #
  1250. # Extended interrupt mode is an R2 feature
  1251. #
  1252. config CPU_MIPSR2_IRQ_EI
  1253. bool
  1254. #
  1255. # Shadow registers are an R2 feature
  1256. #
  1257. config CPU_MIPSR2_SRS
  1258. bool
  1259. config CPU_HAS_SYNC
  1260. bool
  1261. depends on !CPU_R3000
  1262. default y
  1263. #
  1264. # Use the generic interrupt handling code in kernel/irq/:
  1265. #
  1266. config GENERIC_HARDIRQS
  1267. bool
  1268. default y
  1269. config GENERIC_IRQ_PROBE
  1270. bool
  1271. default y
  1272. config IRQ_PER_CPU
  1273. bool
  1274. #
  1275. # - Highmem only makes sense for the 32-bit kernel.
  1276. # - The current highmem code will only work properly on physically indexed
  1277. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1278. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1279. # moment we protect the user and offer the highmem option only on machines
  1280. # where it's known to be safe. This will not offer highmem on a few systems
  1281. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1282. # indexed CPUs but we're playing safe.
  1283. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1284. # know they might have memory configurations that could make use of highmem
  1285. # support.
  1286. #
  1287. config HIGHMEM
  1288. bool "High Memory Support"
  1289. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1290. config CPU_SUPPORTS_HIGHMEM
  1291. bool
  1292. config SYS_SUPPORTS_HIGHMEM
  1293. bool
  1294. config SYS_SUPPORTS_SMARTMIPS
  1295. bool
  1296. config ARCH_FLATMEM_ENABLE
  1297. def_bool y
  1298. depends on !NUMA
  1299. config ARCH_DISCONTIGMEM_ENABLE
  1300. bool
  1301. default y if SGI_IP27
  1302. help
  1303. Say Y to support efficient handling of discontiguous physical memory,
  1304. for architectures which are either NUMA (Non-Uniform Memory Access)
  1305. or have huge holes in the physical address space for other reasons.
  1306. See <file:Documentation/vm/numa> for more.
  1307. config ARCH_SPARSEMEM_ENABLE
  1308. bool
  1309. select SPARSEMEM_STATIC
  1310. config NUMA
  1311. bool "NUMA Support"
  1312. depends on SYS_SUPPORTS_NUMA
  1313. help
  1314. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1315. Access). This option improves performance on systems with more
  1316. than two nodes; on two node systems it is generally better to
  1317. leave it disabled; on single node systems disable this option
  1318. disabled.
  1319. config SYS_SUPPORTS_NUMA
  1320. bool
  1321. config NODES_SHIFT
  1322. int
  1323. default "6"
  1324. depends on NEED_MULTIPLE_NODES
  1325. source "mm/Kconfig"
  1326. config SMP
  1327. bool "Multi-Processing support"
  1328. depends on SYS_SUPPORTS_SMP
  1329. select IRQ_PER_CPU
  1330. help
  1331. This enables support for systems with more than one CPU. If you have
  1332. a system with only one CPU, like most personal computers, say N. If
  1333. you have a system with more than one CPU, say Y.
  1334. If you say N here, the kernel will run on single and multiprocessor
  1335. machines, but will use only one CPU of a multiprocessor machine. If
  1336. you say Y here, the kernel will run on many, but not all,
  1337. singleprocessor machines. On a singleprocessor machine, the kernel
  1338. will run faster if you say N here.
  1339. People using multiprocessor machines who say Y here should also say
  1340. Y to "Enhanced Real Time Clock Support", below.
  1341. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1342. available at <http://www.tldp.org/docs.html#howto>.
  1343. If you don't know what to do here, say N.
  1344. config SYS_SUPPORTS_SMP
  1345. bool
  1346. config NR_CPUS_DEFAULT_1
  1347. bool
  1348. config NR_CPUS_DEFAULT_2
  1349. bool
  1350. config NR_CPUS_DEFAULT_4
  1351. bool
  1352. config NR_CPUS_DEFAULT_8
  1353. bool
  1354. config NR_CPUS_DEFAULT_16
  1355. bool
  1356. config NR_CPUS_DEFAULT_32
  1357. bool
  1358. config NR_CPUS_DEFAULT_64
  1359. bool
  1360. config NR_CPUS
  1361. int "Maximum number of CPUs (2-64)"
  1362. range 1 64 if NR_CPUS_DEFAULT_1
  1363. depends on SMP
  1364. default "1" if NR_CPUS_DEFAULT_1
  1365. default "2" if NR_CPUS_DEFAULT_2
  1366. default "4" if NR_CPUS_DEFAULT_4
  1367. default "8" if NR_CPUS_DEFAULT_8
  1368. default "16" if NR_CPUS_DEFAULT_16
  1369. default "32" if NR_CPUS_DEFAULT_32
  1370. default "64" if NR_CPUS_DEFAULT_64
  1371. help
  1372. This allows you to specify the maximum number of CPUs which this
  1373. kernel will support. The maximum supported value is 32 for 32-bit
  1374. kernel and 64 for 64-bit kernels; the minimum value which makes
  1375. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1376. and 2 for all others.
  1377. This is purely to save memory - each supported CPU adds
  1378. approximately eight kilobytes to the kernel image. For best
  1379. performance should round up your number of processors to the next
  1380. power of two.
  1381. #
  1382. # Timer Interrupt Frequency Configuration
  1383. #
  1384. choice
  1385. prompt "Timer frequency"
  1386. default HZ_250
  1387. help
  1388. Allows the configuration of the timer frequency.
  1389. config HZ_48
  1390. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1391. config HZ_100
  1392. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1393. config HZ_128
  1394. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1395. config HZ_250
  1396. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1397. config HZ_256
  1398. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1399. config HZ_1000
  1400. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1401. config HZ_1024
  1402. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1403. endchoice
  1404. config SYS_SUPPORTS_48HZ
  1405. bool
  1406. config SYS_SUPPORTS_100HZ
  1407. bool
  1408. config SYS_SUPPORTS_128HZ
  1409. bool
  1410. config SYS_SUPPORTS_250HZ
  1411. bool
  1412. config SYS_SUPPORTS_256HZ
  1413. bool
  1414. config SYS_SUPPORTS_1000HZ
  1415. bool
  1416. config SYS_SUPPORTS_1024HZ
  1417. bool
  1418. config SYS_SUPPORTS_ARBIT_HZ
  1419. bool
  1420. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1421. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1422. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1423. !SYS_SUPPORTS_1024HZ
  1424. config HZ
  1425. int
  1426. default 48 if HZ_48
  1427. default 100 if HZ_100
  1428. default 128 if HZ_128
  1429. default 250 if HZ_250
  1430. default 256 if HZ_256
  1431. default 1000 if HZ_1000
  1432. default 1024 if HZ_1024
  1433. source "kernel/Kconfig.preempt"
  1434. config MIPS_INSANE_LARGE
  1435. bool "Support for large 64-bit configurations"
  1436. depends on CPU_R10000 && 64BIT
  1437. help
  1438. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1439. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1440. need processes of more than 1TB virtual address space, say Y here.
  1441. This will result in additional memory usage, so it is not
  1442. recommended for normal users.
  1443. config KEXEC
  1444. bool "Kexec system call (EXPERIMENTAL)"
  1445. depends on EXPERIMENTAL
  1446. help
  1447. kexec is a system call that implements the ability to shutdown your
  1448. current kernel, and to start another kernel. It is like a reboot
  1449. but it is independent of the system firmware. And like a reboot
  1450. you can start any kernel with it, not just Linux.
  1451. The name comes from the similiarity to the exec system call.
  1452. It is an ongoing process to be certain the hardware in a machine
  1453. is properly shutdown, so do not be surprised if this code does not
  1454. initially work for you. It may help to enable device hotplugging
  1455. support. As of this writing the exact hardware interface is
  1456. strongly in flux, so no good recommendation can be made.
  1457. config SECCOMP
  1458. bool "Enable seccomp to safely compute untrusted bytecode"
  1459. depends on PROC_FS && BROKEN
  1460. default y
  1461. help
  1462. This kernel feature is useful for number crunching applications
  1463. that may need to compute untrusted bytecode during their
  1464. execution. By using pipes or other transports made available to
  1465. the process as file descriptors supporting the read/write
  1466. syscalls, it's possible to isolate those applications in
  1467. their own address space using seccomp. Once seccomp is
  1468. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1469. and the task is only allowed to execute a few safe syscalls
  1470. defined by each seccomp mode.
  1471. If unsure, say Y. Only embedded should say N here.
  1472. endmenu
  1473. config RWSEM_GENERIC_SPINLOCK
  1474. bool
  1475. default y
  1476. config LOCKDEP_SUPPORT
  1477. bool
  1478. default y
  1479. config STACKTRACE_SUPPORT
  1480. bool
  1481. default y
  1482. source "init/Kconfig"
  1483. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1484. config HW_HAS_EISA
  1485. bool
  1486. config HW_HAS_PCI
  1487. bool
  1488. config PCI
  1489. bool "Support for PCI controller"
  1490. depends on HW_HAS_PCI
  1491. help
  1492. Find out whether you have a PCI motherboard. PCI is the name of a
  1493. bus system, i.e. the way the CPU talks to the other stuff inside
  1494. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1495. say Y, otherwise N.
  1496. The PCI-HOWTO, available from
  1497. <http://www.tldp.org/docs.html#howto>, contains valuable
  1498. information about which PCI hardware does work under Linux and which
  1499. doesn't.
  1500. config PCI_DOMAINS
  1501. bool
  1502. depends on PCI
  1503. source "drivers/pci/Kconfig"
  1504. #
  1505. # ISA support is now enabled via select. Too many systems still have the one
  1506. # or other ISA chip on the board that users don't know about so don't expect
  1507. # users to choose the right thing ...
  1508. #
  1509. config ISA
  1510. bool
  1511. config EISA
  1512. bool "EISA support"
  1513. depends on HW_HAS_EISA
  1514. select ISA
  1515. select GENERIC_ISA_DMA
  1516. ---help---
  1517. The Extended Industry Standard Architecture (EISA) bus was
  1518. developed as an open alternative to the IBM MicroChannel bus.
  1519. The EISA bus provided some of the features of the IBM MicroChannel
  1520. bus while maintaining backward compatibility with cards made for
  1521. the older ISA bus. The EISA bus saw limited use between 1988 and
  1522. 1995 when it was made obsolete by the PCI bus.
  1523. Say Y here if you are building a kernel for an EISA-based machine.
  1524. Otherwise, say N.
  1525. source "drivers/eisa/Kconfig"
  1526. config TC
  1527. bool "TURBOchannel support"
  1528. depends on MACH_DECSTATION
  1529. help
  1530. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1531. processors. Documentation on writing device drivers for TurboChannel
  1532. is available at:
  1533. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1534. #config ACCESSBUS
  1535. # bool "Access.Bus support"
  1536. # depends on TC
  1537. config MMU
  1538. bool
  1539. default y
  1540. config I8253
  1541. bool
  1542. source "drivers/pcmcia/Kconfig"
  1543. source "drivers/pci/hotplug/Kconfig"
  1544. endmenu
  1545. menu "Executable file formats"
  1546. source "fs/Kconfig.binfmt"
  1547. config TRAD_SIGNALS
  1548. bool
  1549. config BUILD_ELF64
  1550. bool "Use 64-bit ELF format for building"
  1551. depends on 64BIT
  1552. help
  1553. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1554. format as it's one that allows arbitrary 64-bit constructs. For
  1555. kernels that are loaded within the KSEG compatibility segments the
  1556. 32-bit ELF format can optionally be used resulting in a somewhat
  1557. smaller binary, but this option is not explicitly supported by the
  1558. toolchain and since binutils 2.14 it does not even work at all.
  1559. Say Y to use the 64-bit format or N to use the 32-bit one.
  1560. If unsure say Y.
  1561. config BINFMT_IRIX
  1562. bool "Include IRIX binary compatibility"
  1563. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1564. config MIPS32_COMPAT
  1565. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1566. depends on 64BIT
  1567. help
  1568. Select this option if you want Linux/MIPS 32-bit binary
  1569. compatibility. Since all software available for Linux/MIPS is
  1570. currently 32-bit you should say Y here.
  1571. config COMPAT
  1572. bool
  1573. depends on MIPS32_COMPAT
  1574. default y
  1575. config SYSVIPC_COMPAT
  1576. bool
  1577. depends on COMPAT && SYSVIPC
  1578. default y
  1579. config MIPS32_O32
  1580. bool "Kernel support for o32 binaries"
  1581. depends on MIPS32_COMPAT
  1582. help
  1583. Select this option if you want to run o32 binaries. These are pure
  1584. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1585. existing binaries are in this format.
  1586. If unsure, say Y.
  1587. config MIPS32_N32
  1588. bool "Kernel support for n32 binaries"
  1589. depends on MIPS32_COMPAT
  1590. help
  1591. Select this option if you want to run n32 binaries. These are
  1592. 64-bit binaries using 32-bit quantities for addressing and certain
  1593. data that would normally be 64-bit. They are used in special
  1594. cases.
  1595. If unsure, say N.
  1596. config BINFMT_ELF32
  1597. bool
  1598. default y if MIPS32_O32 || MIPS32_N32
  1599. endmenu
  1600. menu "Power management options"
  1601. source "kernel/power/Kconfig"
  1602. endmenu
  1603. source "net/Kconfig"
  1604. source "drivers/Kconfig"
  1605. source "fs/Kconfig"
  1606. source "arch/mips/oprofile/Kconfig"
  1607. source "arch/mips/Kconfig.debug"
  1608. source "security/Kconfig"
  1609. source "crypto/Kconfig"
  1610. source "lib/Kconfig"