Kconfig 46 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_IDE
  5. select HAVE_OPROFILE
  6. # Horrible source of confusion. Die, die, die ...
  7. select EMBEDDED
  8. select RTC_LIB
  9. mainmenu "Linux/MIPS Kernel Configuration"
  10. menu "Machine selection"
  11. config ZONE_DMA
  12. bool
  13. choice
  14. prompt "System type"
  15. default SGI_IP22
  16. config MACH_ALCHEMY
  17. bool "Alchemy processor based machines"
  18. config BASLER_EXCITE
  19. bool "Basler eXcite smart camera"
  20. select CEVT_R4K
  21. select CSRC_R4K
  22. select DMA_COHERENT
  23. select HW_HAS_PCI
  24. select IRQ_CPU
  25. select IRQ_CPU_RM7K
  26. select IRQ_CPU_RM9K
  27. select MIPS_RM9122
  28. select SYS_HAS_CPU_RM9000
  29. select SYS_SUPPORTS_32BIT_KERNEL
  30. select SYS_SUPPORTS_BIG_ENDIAN
  31. select SYS_SUPPORTS_KGDB
  32. help
  33. The eXcite is a smart camera platform manufactured by
  34. Basler Vision Technologies AG.
  35. config BCM47XX
  36. bool "BCM47XX based boards"
  37. select CEVT_R4K
  38. select CSRC_R4K
  39. select DMA_NONCOHERENT
  40. select HW_HAS_PCI
  41. select IRQ_CPU
  42. select SYS_HAS_CPU_MIPS32_R1
  43. select SYS_SUPPORTS_32BIT_KERNEL
  44. select SYS_SUPPORTS_LITTLE_ENDIAN
  45. select SSB
  46. select SSB_DRIVER_MIPS
  47. select SSB_DRIVER_EXTIF
  48. select SSB_PCICORE_HOSTMODE if PCI
  49. select GENERIC_GPIO
  50. select SYS_HAS_EARLY_PRINTK
  51. select CFE
  52. help
  53. Support for BCM47XX based boards
  54. config MIPS_COBALT
  55. bool "Cobalt Server"
  56. select CEVT_R4K
  57. select CSRC_R4K
  58. select CEVT_GT641XX
  59. select DMA_NONCOHERENT
  60. select HW_HAS_PCI
  61. select I8253
  62. select I8259
  63. select IRQ_CPU
  64. select IRQ_GT641XX
  65. select PCI_GT64XXX_PCI0
  66. select SYS_HAS_CPU_NEVADA
  67. select SYS_HAS_EARLY_PRINTK
  68. select SYS_SUPPORTS_32BIT_KERNEL
  69. select SYS_SUPPORTS_64BIT_KERNEL
  70. select SYS_SUPPORTS_LITTLE_ENDIAN
  71. select GENERIC_HARDIRQS_NO__DO_IRQ
  72. config MACH_DECSTATION
  73. bool "DECstations"
  74. select BOOT_ELF32
  75. select CEVT_DS1287
  76. select CEVT_R4K
  77. select CSRC_IOASIC
  78. select CSRC_R4K
  79. select CPU_DADDI_WORKAROUNDS if 64BIT
  80. select CPU_R4000_WORKAROUNDS if 64BIT
  81. select CPU_R4400_WORKAROUNDS if 64BIT
  82. select DMA_NONCOHERENT
  83. select NO_IOPORT
  84. select IRQ_CPU
  85. select SYS_HAS_CPU_R3000
  86. select SYS_HAS_CPU_R4X00
  87. select SYS_SUPPORTS_32BIT_KERNEL
  88. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  89. select SYS_SUPPORTS_LITTLE_ENDIAN
  90. select SYS_SUPPORTS_128HZ
  91. select SYS_SUPPORTS_256HZ
  92. select SYS_SUPPORTS_1024HZ
  93. help
  94. This enables support for DEC's MIPS based workstations. For details
  95. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  96. DECstation porting pages on <http://decstation.unix-ag.org/>.
  97. If you have one of the following DECstation Models you definitely
  98. want to choose R4xx0 for the CPU Type:
  99. DECstation 5000/50
  100. DECstation 5000/150
  101. DECstation 5000/260
  102. DECsystem 5900/260
  103. otherwise choose R3000.
  104. config MACH_JAZZ
  105. bool "Jazz family of machines"
  106. select ARC
  107. select ARC32
  108. select ARCH_MAY_HAVE_PC_FDC
  109. select CEVT_R4K
  110. select CSRC_R4K
  111. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  112. select GENERIC_ISA_DMA
  113. select IRQ_CPU
  114. select I8253
  115. select I8259
  116. select ISA
  117. select SYS_HAS_CPU_R4X00
  118. select SYS_SUPPORTS_32BIT_KERNEL
  119. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  120. select SYS_SUPPORTS_100HZ
  121. select GENERIC_HARDIRQS_NO__DO_IRQ
  122. help
  123. This a family of machines based on the MIPS R4030 chipset which was
  124. used by several vendors to build RISC/os and Windows NT workstations.
  125. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  126. Olivetti M700-10 workstations.
  127. config LASAT
  128. bool "LASAT Networks platforms"
  129. select CEVT_R4K
  130. select CSRC_R4K
  131. select DMA_NONCOHERENT
  132. select SYS_HAS_EARLY_PRINTK
  133. select HW_HAS_PCI
  134. select IRQ_CPU
  135. select PCI_GT64XXX_PCI0
  136. select MIPS_NILE4
  137. select R5000_CPU_SCACHE
  138. select SYS_HAS_CPU_R5000
  139. select SYS_SUPPORTS_32BIT_KERNEL
  140. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  141. select SYS_SUPPORTS_LITTLE_ENDIAN
  142. select GENERIC_HARDIRQS_NO__DO_IRQ
  143. config LEMOTE_FULONG
  144. bool "Lemote Fulong mini-PC"
  145. select ARCH_SPARSEMEM_ENABLE
  146. select CEVT_R4K
  147. select CSRC_R4K
  148. select SYS_HAS_CPU_LOONGSON2
  149. select DMA_NONCOHERENT
  150. select BOOT_ELF32
  151. select BOARD_SCACHE
  152. select HAVE_STD_PC_SERIAL_PORT
  153. select HW_HAS_PCI
  154. select I8259
  155. select ISA
  156. select IRQ_CPU
  157. select SYS_SUPPORTS_32BIT_KERNEL
  158. select SYS_SUPPORTS_64BIT_KERNEL
  159. select SYS_SUPPORTS_LITTLE_ENDIAN
  160. select SYS_SUPPORTS_HIGHMEM
  161. select SYS_HAS_EARLY_PRINTK
  162. select GENERIC_HARDIRQS_NO__DO_IRQ
  163. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  164. select CPU_HAS_WB
  165. help
  166. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  167. an FPGA northbridge
  168. config MIPS_MALTA
  169. bool "MIPS Malta board"
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select BOOT_ELF32
  172. select BOOT_RAW
  173. select CEVT_R4K
  174. select CSRC_R4K
  175. select DMA_NONCOHERENT
  176. select GENERIC_ISA_DMA
  177. select IRQ_CPU
  178. select IRQ_GIC
  179. select HW_HAS_PCI
  180. select I8253
  181. select I8259
  182. select MIPS_BOARDS_GEN
  183. select MIPS_BONITO64
  184. select MIPS_CPU_SCACHE
  185. select PCI_GT64XXX_PCI0
  186. select MIPS_MSC
  187. select SWAP_IO_SPACE
  188. select SYS_HAS_CPU_MIPS32_R1
  189. select SYS_HAS_CPU_MIPS32_R2
  190. select SYS_HAS_CPU_MIPS64_R1
  191. select SYS_HAS_CPU_NEVADA
  192. select SYS_HAS_CPU_RM7000
  193. select SYS_HAS_EARLY_PRINTK
  194. select SYS_SUPPORTS_32BIT_KERNEL
  195. select SYS_SUPPORTS_64BIT_KERNEL
  196. select SYS_SUPPORTS_BIG_ENDIAN
  197. select SYS_SUPPORTS_LITTLE_ENDIAN
  198. select SYS_SUPPORTS_MULTITHREADING
  199. select SYS_SUPPORTS_SMARTMIPS
  200. help
  201. This enables support for the MIPS Technologies Malta evaluation
  202. board.
  203. config MIPS_SIM
  204. bool 'MIPS simulator (MIPSsim)'
  205. select CEVT_R4K
  206. select CSRC_R4K
  207. select DMA_NONCOHERENT
  208. select SYS_HAS_EARLY_PRINTK
  209. select IRQ_CPU
  210. select BOOT_RAW
  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 MARKEINS
  222. bool "NEC EMMA2RH Mark-eins"
  223. select CEVT_R4K
  224. select CSRC_R4K
  225. select DMA_NONCOHERENT
  226. select HW_HAS_PCI
  227. select IRQ_CPU
  228. select SWAP_IO_SPACE
  229. select SYS_SUPPORTS_32BIT_KERNEL
  230. select SYS_SUPPORTS_BIG_ENDIAN
  231. select SYS_SUPPORTS_LITTLE_ENDIAN
  232. select SYS_HAS_CPU_R5000
  233. help
  234. This enables support for the R5432-based NEC Mark-eins
  235. boards with R5500 CPU.
  236. config MACH_VR41XX
  237. bool "NEC VR4100 series based machines"
  238. select CEVT_R4K
  239. select CSRC_R4K
  240. select SYS_HAS_CPU_VR41XX
  241. select GENERIC_HARDIRQS_NO__DO_IRQ
  242. config PNX8550_JBS
  243. bool "NXP PNX8550 based JBS board"
  244. select PNX8550
  245. select SYS_SUPPORTS_LITTLE_ENDIAN
  246. config PNX8550_STB810
  247. bool "NXP PNX8550 based STB810 board"
  248. select PNX8550
  249. select SYS_SUPPORTS_LITTLE_ENDIAN
  250. config PMC_MSP
  251. bool "PMC-Sierra MSP chipsets"
  252. depends on EXPERIMENTAL
  253. select DMA_NONCOHERENT
  254. select SWAP_IO_SPACE
  255. select NO_EXCEPT_FILL
  256. select BOOT_RAW
  257. select SYS_HAS_CPU_MIPS32_R1
  258. select SYS_HAS_CPU_MIPS32_R2
  259. select SYS_SUPPORTS_32BIT_KERNEL
  260. select SYS_SUPPORTS_BIG_ENDIAN
  261. select SYS_SUPPORTS_KGDB
  262. select IRQ_CPU
  263. select SERIAL_8250
  264. select SERIAL_8250_CONSOLE
  265. help
  266. This adds support for the PMC-Sierra family of Multi-Service
  267. Processor System-On-A-Chips. These parts include a number
  268. of integrated peripherals, interfaces and DSPs in addition to
  269. a variety of MIPS cores.
  270. config PMC_YOSEMITE
  271. bool "PMC-Sierra Yosemite eval board"
  272. select CEVT_R4K
  273. select CSRC_R4K
  274. select DMA_COHERENT
  275. select HW_HAS_PCI
  276. select IRQ_CPU
  277. select IRQ_CPU_RM7K
  278. select IRQ_CPU_RM9K
  279. select SWAP_IO_SPACE
  280. select SYS_HAS_CPU_RM9000
  281. select SYS_HAS_EARLY_PRINTK
  282. select SYS_SUPPORTS_32BIT_KERNEL
  283. select SYS_SUPPORTS_64BIT_KERNEL
  284. select SYS_SUPPORTS_BIG_ENDIAN
  285. select SYS_SUPPORTS_HIGHMEM
  286. select SYS_SUPPORTS_KGDB
  287. select SYS_SUPPORTS_SMP
  288. help
  289. Yosemite is an evaluation board for the RM9000x2 processor
  290. manufactured by PMC-Sierra.
  291. config SGI_IP22
  292. bool "SGI IP22 (Indy/Indigo2)"
  293. select ARC
  294. select ARC32
  295. select BOOT_ELF32
  296. select CEVT_R4K
  297. select CSRC_R4K
  298. select DEFAULT_SGI_PARTITION
  299. select DMA_NONCOHERENT
  300. select HW_HAS_EISA
  301. select I8253
  302. select I8259
  303. select IP22_CPU_SCACHE
  304. select IRQ_CPU
  305. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  306. select SGI_HAS_DS1286
  307. select SGI_HAS_I8042
  308. select SGI_HAS_INDYDOG
  309. select SGI_HAS_SEEQ
  310. select SGI_HAS_WD93
  311. select SGI_HAS_ZILOG
  312. select SWAP_IO_SPACE
  313. select SYS_HAS_CPU_R4X00
  314. select SYS_HAS_CPU_R5000
  315. select SYS_HAS_EARLY_PRINTK
  316. select SYS_SUPPORTS_32BIT_KERNEL
  317. select SYS_SUPPORTS_64BIT_KERNEL
  318. select SYS_SUPPORTS_BIG_ENDIAN
  319. help
  320. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  321. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  322. that runs on these, say Y here.
  323. config SGI_IP27
  324. bool "SGI IP27 (Origin200/2000)"
  325. select ARC
  326. select ARC64
  327. select BOOT_ELF64
  328. select DEFAULT_SGI_PARTITION
  329. select DMA_IP27
  330. select SYS_HAS_EARLY_PRINTK
  331. select HW_HAS_PCI
  332. select NR_CPUS_DEFAULT_64
  333. select SYS_HAS_CPU_R10000
  334. select SYS_SUPPORTS_64BIT_KERNEL
  335. select SYS_SUPPORTS_BIG_ENDIAN
  336. select SYS_SUPPORTS_KGDB
  337. select SYS_SUPPORTS_NUMA
  338. select SYS_SUPPORTS_SMP
  339. select GENERIC_HARDIRQS_NO__DO_IRQ
  340. help
  341. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  342. workstations. To compile a Linux kernel that runs on these, say Y
  343. here.
  344. config SGI_IP28
  345. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  346. depends on EXPERIMENTAL
  347. select ARC
  348. select ARC64
  349. select BOOT_ELF64
  350. select CEVT_R4K
  351. select CSRC_R4K
  352. select DEFAULT_SGI_PARTITION
  353. select DMA_NONCOHERENT
  354. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  355. select IRQ_CPU
  356. select HW_HAS_EISA
  357. select I8253
  358. select I8259
  359. select SGI_HAS_DS1286
  360. select SGI_HAS_I8042
  361. select SGI_HAS_INDYDOG
  362. select SGI_HAS_HAL2
  363. select SGI_HAS_HAL2
  364. select SGI_HAS_SEEQ
  365. select SGI_HAS_WD93
  366. select SGI_HAS_ZILOG
  367. select SWAP_IO_SPACE
  368. select SYS_HAS_CPU_R10000
  369. select SYS_HAS_EARLY_PRINTK
  370. select SYS_SUPPORTS_64BIT_KERNEL
  371. select SYS_SUPPORTS_BIG_ENDIAN
  372. help
  373. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  374. kernel that runs on these, say Y here.
  375. config SGI_IP32
  376. bool "SGI IP32 (O2)"
  377. select ARC
  378. select ARC32
  379. select BOOT_ELF32
  380. select CEVT_R4K
  381. select CSRC_R4K
  382. select DMA_NONCOHERENT
  383. select HW_HAS_PCI
  384. select IRQ_CPU
  385. select R5000_CPU_SCACHE
  386. select RM7000_CPU_SCACHE
  387. select SYS_HAS_CPU_R5000
  388. select SYS_HAS_CPU_R10000 if BROKEN
  389. select SYS_HAS_CPU_RM7000
  390. select SYS_HAS_CPU_NEVADA
  391. select SYS_SUPPORTS_64BIT_KERNEL
  392. select SYS_SUPPORTS_BIG_ENDIAN
  393. help
  394. If you want this kernel to run on SGI O2 workstation, say Y here.
  395. config SIBYTE_CRHINE
  396. bool "Sibyte BCM91120C-CRhine"
  397. depends on EXPERIMENTAL
  398. select BOOT_ELF32
  399. select DMA_COHERENT
  400. select SIBYTE_BCM1120
  401. select SWAP_IO_SPACE
  402. select SYS_HAS_CPU_SB1
  403. select SYS_SUPPORTS_BIG_ENDIAN
  404. select SYS_SUPPORTS_LITTLE_ENDIAN
  405. config SIBYTE_CARMEL
  406. bool "Sibyte BCM91120x-Carmel"
  407. depends on EXPERIMENTAL
  408. select BOOT_ELF32
  409. select DMA_COHERENT
  410. select SIBYTE_BCM1120
  411. select SWAP_IO_SPACE
  412. select SYS_HAS_CPU_SB1
  413. select SYS_SUPPORTS_BIG_ENDIAN
  414. select SYS_SUPPORTS_LITTLE_ENDIAN
  415. config SIBYTE_CRHONE
  416. bool "Sibyte BCM91125C-CRhone"
  417. depends on EXPERIMENTAL
  418. select BOOT_ELF32
  419. select DMA_COHERENT
  420. select SIBYTE_BCM1125
  421. select SWAP_IO_SPACE
  422. select SYS_HAS_CPU_SB1
  423. select SYS_SUPPORTS_BIG_ENDIAN
  424. select SYS_SUPPORTS_HIGHMEM
  425. select SYS_SUPPORTS_LITTLE_ENDIAN
  426. config SIBYTE_RHONE
  427. bool "Sibyte BCM91125E-Rhone"
  428. depends on EXPERIMENTAL
  429. select BOOT_ELF32
  430. select DMA_COHERENT
  431. select SIBYTE_BCM1125H
  432. select SWAP_IO_SPACE
  433. select SYS_HAS_CPU_SB1
  434. select SYS_SUPPORTS_BIG_ENDIAN
  435. select SYS_SUPPORTS_LITTLE_ENDIAN
  436. config SIBYTE_SWARM
  437. bool "Sibyte BCM91250A-SWARM"
  438. select BOOT_ELF32
  439. select DMA_COHERENT
  440. select NR_CPUS_DEFAULT_2
  441. select SIBYTE_SB1250
  442. select SWAP_IO_SPACE
  443. select SYS_HAS_CPU_SB1
  444. select SYS_SUPPORTS_BIG_ENDIAN
  445. select SYS_SUPPORTS_HIGHMEM
  446. select SYS_SUPPORTS_KGDB
  447. select SYS_SUPPORTS_LITTLE_ENDIAN
  448. select ZONE_DMA32 if 64BIT
  449. config SIBYTE_LITTLESUR
  450. bool "Sibyte BCM91250C2-LittleSur"
  451. depends on EXPERIMENTAL
  452. select BOOT_ELF32
  453. select DMA_COHERENT
  454. select NR_CPUS_DEFAULT_2
  455. select SIBYTE_SB1250
  456. select SWAP_IO_SPACE
  457. select SYS_HAS_CPU_SB1
  458. select SYS_SUPPORTS_BIG_ENDIAN
  459. select SYS_SUPPORTS_HIGHMEM
  460. select SYS_SUPPORTS_LITTLE_ENDIAN
  461. config SIBYTE_SENTOSA
  462. bool "Sibyte BCM91250E-Sentosa"
  463. depends on EXPERIMENTAL
  464. select BOOT_ELF32
  465. select DMA_COHERENT
  466. select NR_CPUS_DEFAULT_2
  467. select SIBYTE_SB1250
  468. select SWAP_IO_SPACE
  469. select SYS_HAS_CPU_SB1
  470. select SYS_SUPPORTS_BIG_ENDIAN
  471. select SYS_SUPPORTS_LITTLE_ENDIAN
  472. config SIBYTE_BIGSUR
  473. bool "Sibyte BCM91480B-BigSur"
  474. select BOOT_ELF32
  475. select DMA_COHERENT
  476. select NR_CPUS_DEFAULT_4
  477. select SIBYTE_BCM1x80
  478. select SWAP_IO_SPACE
  479. select SYS_HAS_CPU_SB1
  480. select SYS_SUPPORTS_BIG_ENDIAN
  481. select SYS_SUPPORTS_HIGHMEM
  482. select SYS_SUPPORTS_LITTLE_ENDIAN
  483. select ZONE_DMA32 if 64BIT
  484. config SNI_RM
  485. bool "SNI RM200/300/400"
  486. select ARC if CPU_LITTLE_ENDIAN
  487. select ARC32 if CPU_LITTLE_ENDIAN
  488. select SNIPROM if CPU_BIG_ENDIAN
  489. select ARCH_MAY_HAVE_PC_FDC
  490. select BOOT_ELF32
  491. select CEVT_R4K
  492. select CSRC_R4K
  493. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  494. select DMA_NONCOHERENT
  495. select GENERIC_ISA_DMA
  496. select HW_HAS_EISA
  497. select HW_HAS_PCI
  498. select IRQ_CPU
  499. select I8253
  500. select I8259
  501. select ISA
  502. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  503. select SYS_HAS_CPU_R4X00
  504. select SYS_HAS_CPU_R5000
  505. select SYS_HAS_CPU_R10000
  506. select R5000_CPU_SCACHE
  507. select SYS_HAS_EARLY_PRINTK
  508. select SYS_SUPPORTS_32BIT_KERNEL
  509. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  510. select SYS_SUPPORTS_BIG_ENDIAN
  511. select SYS_SUPPORTS_HIGHMEM
  512. select SYS_SUPPORTS_LITTLE_ENDIAN
  513. help
  514. The SNI RM200/300/400 are MIPS-based machines manufactured by
  515. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  516. Technology and now in turn merged with Fujitsu. Say Y here to
  517. support this machine type.
  518. config MACH_TX39XX
  519. bool "Toshiba TX39 series based machines"
  520. config MACH_TX49XX
  521. bool "Toshiba TX49 series based machines"
  522. config WR_PPMC
  523. bool "Wind River PPMC board"
  524. select CEVT_R4K
  525. select CSRC_R4K
  526. select IRQ_CPU
  527. select BOOT_ELF32
  528. select DMA_NONCOHERENT
  529. select HW_HAS_PCI
  530. select PCI_GT64XXX_PCI0
  531. select SWAP_IO_SPACE
  532. select SYS_HAS_CPU_MIPS32_R1
  533. select SYS_HAS_CPU_MIPS32_R2
  534. select SYS_HAS_CPU_MIPS64_R1
  535. select SYS_HAS_CPU_NEVADA
  536. select SYS_HAS_CPU_RM7000
  537. select SYS_SUPPORTS_32BIT_KERNEL
  538. select SYS_SUPPORTS_64BIT_KERNEL
  539. select SYS_SUPPORTS_BIG_ENDIAN
  540. select SYS_SUPPORTS_LITTLE_ENDIAN
  541. help
  542. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  543. board, which is based on GT64120 bridge chip.
  544. endchoice
  545. source "arch/mips/au1000/Kconfig"
  546. source "arch/mips/basler/excite/Kconfig"
  547. source "arch/mips/jazz/Kconfig"
  548. source "arch/mips/lasat/Kconfig"
  549. source "arch/mips/pmc-sierra/Kconfig"
  550. source "arch/mips/sgi-ip27/Kconfig"
  551. source "arch/mips/sibyte/Kconfig"
  552. source "arch/mips/txx9/Kconfig"
  553. source "arch/mips/vr41xx/Kconfig"
  554. endmenu
  555. config GENERIC_LOCKBREAK
  556. bool
  557. default y
  558. depends on SMP && PREEMPT
  559. config RWSEM_GENERIC_SPINLOCK
  560. bool
  561. default y
  562. config RWSEM_XCHGADD_ALGORITHM
  563. bool
  564. config ARCH_HAS_ILOG2_U32
  565. bool
  566. default n
  567. config ARCH_HAS_ILOG2_U64
  568. bool
  569. default n
  570. config ARCH_SUPPORTS_OPROFILE
  571. bool
  572. default y if !MIPS_MT_SMTC
  573. config GENERIC_FIND_NEXT_BIT
  574. bool
  575. default y
  576. config GENERIC_HWEIGHT
  577. bool
  578. default y
  579. config GENERIC_CALIBRATE_DELAY
  580. bool
  581. default y
  582. config GENERIC_CLOCKEVENTS
  583. bool
  584. default y
  585. config GENERIC_TIME
  586. bool
  587. default y
  588. config GENERIC_CMOS_UPDATE
  589. bool
  590. default y
  591. config SCHED_NO_NO_OMIT_FRAME_POINTER
  592. bool
  593. default y
  594. config GENERIC_HARDIRQS_NO__DO_IRQ
  595. bool
  596. default n
  597. #
  598. # Select some configuration options automatically based on user selections.
  599. #
  600. config ARC
  601. bool
  602. config ARCH_MAY_HAVE_PC_FDC
  603. bool
  604. config BOOT_RAW
  605. bool
  606. config CEVT_BCM1480
  607. bool
  608. config CEVT_DS1287
  609. bool
  610. config CEVT_GT641XX
  611. bool
  612. config CEVT_R4K
  613. bool
  614. config CEVT_SB1250
  615. bool
  616. config CEVT_TXX9
  617. bool
  618. config CSRC_BCM1480
  619. bool
  620. config CSRC_IOASIC
  621. bool
  622. config CSRC_R4K
  623. bool
  624. config CSRC_SB1250
  625. bool
  626. config GPIO_TXX9
  627. select GENERIC_GPIO
  628. select HAVE_GPIO_LIB
  629. bool
  630. config CFE
  631. bool
  632. config DMA_COHERENT
  633. bool
  634. config DMA_IP27
  635. bool
  636. config DMA_NONCOHERENT
  637. bool
  638. select DMA_NEED_PCI_MAP_STATE
  639. config DMA_NEED_PCI_MAP_STATE
  640. bool
  641. config EARLY_PRINTK
  642. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  643. depends on SYS_HAS_EARLY_PRINTK
  644. default y
  645. help
  646. This option enables special console drivers which allow the kernel
  647. to print messages very early in the bootup process.
  648. This is useful for kernel debugging when your machine crashes very
  649. early before the console code is initialized. For normal operation,
  650. it is not recommended because it looks ugly on some machines and
  651. doesn't cooperate with an X server. You should normally say N here,
  652. unless you want to debug such a crash.
  653. config SYS_HAS_EARLY_PRINTK
  654. bool
  655. config HOTPLUG_CPU
  656. bool
  657. default n
  658. config I8259
  659. bool
  660. config MIPS_BONITO64
  661. bool
  662. config MIPS_MSC
  663. bool
  664. config MIPS_NILE4
  665. bool
  666. config MIPS_DISABLE_OBSOLETE_IDE
  667. bool
  668. config SYNC_R4K
  669. bool
  670. config NO_IOPORT
  671. def_bool n
  672. config GENERIC_ISA_DMA
  673. bool
  674. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  675. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  676. bool
  677. select GENERIC_ISA_DMA
  678. config GENERIC_GPIO
  679. bool
  680. #
  681. # Endianess selection. Sufficiently obscure so many users don't know what to
  682. # answer,so we try hard to limit the available choices. Also the use of a
  683. # choice statement should be more obvious to the user.
  684. #
  685. choice
  686. prompt "Endianess selection"
  687. help
  688. Some MIPS machines can be configured for either little or big endian
  689. byte order. These modes require different kernels and a different
  690. Linux distribution. In general there is one preferred byteorder for a
  691. particular system but some systems are just as commonly used in the
  692. one or the other endianness.
  693. config CPU_BIG_ENDIAN
  694. bool "Big endian"
  695. depends on SYS_SUPPORTS_BIG_ENDIAN
  696. config CPU_LITTLE_ENDIAN
  697. bool "Little endian"
  698. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  699. help
  700. endchoice
  701. config SYS_SUPPORTS_APM_EMULATION
  702. bool
  703. config SYS_SUPPORTS_BIG_ENDIAN
  704. bool
  705. config SYS_SUPPORTS_LITTLE_ENDIAN
  706. bool
  707. config IRQ_CPU
  708. bool
  709. config IRQ_CPU_RM7K
  710. bool
  711. config IRQ_CPU_RM9K
  712. bool
  713. config IRQ_MSP_SLP
  714. bool
  715. config IRQ_MSP_CIC
  716. bool
  717. config IRQ_TXX9
  718. bool
  719. config IRQ_GT641XX
  720. bool
  721. config IRQ_GIC
  722. bool
  723. config MIPS_BOARDS_GEN
  724. bool
  725. config PCI_GT64XXX_PCI0
  726. bool
  727. config NO_EXCEPT_FILL
  728. bool
  729. config MIPS_RM9122
  730. bool
  731. select SERIAL_RM9000
  732. config PNX8550
  733. bool
  734. select SOC_PNX8550
  735. config SOC_PNX8550
  736. bool
  737. select DMA_NONCOHERENT
  738. select HW_HAS_PCI
  739. select SYS_HAS_CPU_MIPS32_R1
  740. select SYS_HAS_EARLY_PRINTK
  741. select SYS_SUPPORTS_32BIT_KERNEL
  742. select GENERIC_HARDIRQS_NO__DO_IRQ
  743. select SYS_SUPPORTS_KGDB
  744. select GENERIC_GPIO
  745. config SWAP_IO_SPACE
  746. bool
  747. config EMMA2RH
  748. bool
  749. depends on MARKEINS
  750. default y
  751. config SERIAL_RM9000
  752. bool
  753. config SGI_HAS_DS1286
  754. bool
  755. config SGI_HAS_INDYDOG
  756. bool
  757. config SGI_HAS_HAL2
  758. bool
  759. config SGI_HAS_SEEQ
  760. bool
  761. config SGI_HAS_WD93
  762. bool
  763. config SGI_HAS_ZILOG
  764. bool
  765. config SGI_HAS_I8042
  766. bool
  767. config DEFAULT_SGI_PARTITION
  768. bool
  769. config ARC32
  770. bool
  771. config SNIPROM
  772. bool
  773. config BOOT_ELF32
  774. bool
  775. config MIPS_L1_CACHE_SHIFT
  776. int
  777. default "4" if MACH_DECSTATION
  778. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
  779. default "4" if PMC_MSP4200_EVAL
  780. default "5"
  781. config HAVE_STD_PC_SERIAL_PORT
  782. bool
  783. config ARC_CONSOLE
  784. bool "ARC console support"
  785. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  786. config ARC_MEMORY
  787. bool
  788. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  789. default y
  790. config ARC_PROMLIB
  791. bool
  792. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  793. default y
  794. config ARC64
  795. bool
  796. config BOOT_ELF64
  797. bool
  798. menu "CPU selection"
  799. choice
  800. prompt "CPU type"
  801. default CPU_R4X00
  802. config CPU_LOONGSON2
  803. bool "Loongson 2"
  804. depends on SYS_HAS_CPU_LOONGSON2
  805. select CPU_SUPPORTS_32BIT_KERNEL
  806. select CPU_SUPPORTS_64BIT_KERNEL
  807. select CPU_SUPPORTS_HIGHMEM
  808. help
  809. The Loongson 2E processor implements the MIPS III instruction set
  810. with many extensions.
  811. config CPU_MIPS32_R1
  812. bool "MIPS32 Release 1"
  813. depends on SYS_HAS_CPU_MIPS32_R1
  814. select CPU_HAS_LLSC
  815. select CPU_HAS_PREFETCH
  816. select CPU_SUPPORTS_32BIT_KERNEL
  817. select CPU_SUPPORTS_HIGHMEM
  818. help
  819. Choose this option to build a kernel for release 1 or later of the
  820. MIPS32 architecture. Most modern embedded systems with a 32-bit
  821. MIPS processor are based on a MIPS32 processor. If you know the
  822. specific type of processor in your system, choose those that one
  823. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  824. Release 2 of the MIPS32 architecture is available since several
  825. years so chances are you even have a MIPS32 Release 2 processor
  826. in which case you should choose CPU_MIPS32_R2 instead for better
  827. performance.
  828. config CPU_MIPS32_R2
  829. bool "MIPS32 Release 2"
  830. depends on SYS_HAS_CPU_MIPS32_R2
  831. select CPU_HAS_LLSC
  832. select CPU_HAS_PREFETCH
  833. select CPU_SUPPORTS_32BIT_KERNEL
  834. select CPU_SUPPORTS_HIGHMEM
  835. help
  836. Choose this option to build a kernel for release 2 or later of the
  837. MIPS32 architecture. Most modern embedded systems with a 32-bit
  838. MIPS processor are based on a MIPS32 processor. If you know the
  839. specific type of processor in your system, choose those that one
  840. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  841. config CPU_MIPS64_R1
  842. bool "MIPS64 Release 1"
  843. depends on SYS_HAS_CPU_MIPS64_R1
  844. select CPU_HAS_LLSC
  845. select CPU_HAS_PREFETCH
  846. select CPU_SUPPORTS_32BIT_KERNEL
  847. select CPU_SUPPORTS_64BIT_KERNEL
  848. select CPU_SUPPORTS_HIGHMEM
  849. help
  850. Choose this option to build a kernel for release 1 or later of the
  851. MIPS64 architecture. Many modern embedded systems with a 64-bit
  852. MIPS processor are based on a MIPS64 processor. If you know the
  853. specific type of processor in your system, choose those that one
  854. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  855. Release 2 of the MIPS64 architecture is available since several
  856. years so chances are you even have a MIPS64 Release 2 processor
  857. in which case you should choose CPU_MIPS64_R2 instead for better
  858. performance.
  859. config CPU_MIPS64_R2
  860. bool "MIPS64 Release 2"
  861. depends on SYS_HAS_CPU_MIPS64_R2
  862. select CPU_HAS_LLSC
  863. select CPU_HAS_PREFETCH
  864. select CPU_SUPPORTS_32BIT_KERNEL
  865. select CPU_SUPPORTS_64BIT_KERNEL
  866. select CPU_SUPPORTS_HIGHMEM
  867. help
  868. Choose this option to build a kernel for release 2 or later of the
  869. MIPS64 architecture. Many modern embedded systems with a 64-bit
  870. MIPS processor are based on a MIPS64 processor. If you know the
  871. specific type of processor in your system, choose those that one
  872. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  873. config CPU_R3000
  874. bool "R3000"
  875. depends on SYS_HAS_CPU_R3000
  876. select CPU_HAS_WB
  877. select CPU_SUPPORTS_32BIT_KERNEL
  878. select CPU_SUPPORTS_HIGHMEM
  879. help
  880. Please make sure to pick the right CPU type. Linux/MIPS is not
  881. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  882. *not* work on R4000 machines and vice versa. However, since most
  883. of the supported machines have an R4000 (or similar) CPU, R4x00
  884. might be a safe bet. If the resulting kernel does not work,
  885. try to recompile with R3000.
  886. config CPU_TX39XX
  887. bool "R39XX"
  888. depends on SYS_HAS_CPU_TX39XX
  889. select CPU_SUPPORTS_32BIT_KERNEL
  890. config CPU_VR41XX
  891. bool "R41xx"
  892. depends on SYS_HAS_CPU_VR41XX
  893. select CPU_SUPPORTS_32BIT_KERNEL
  894. select CPU_SUPPORTS_64BIT_KERNEL
  895. help
  896. The options selects support for the NEC VR4100 series of processors.
  897. Only choose this option if you have one of these processors as a
  898. kernel built with this option will not run on any other type of
  899. processor or vice versa.
  900. config CPU_R4300
  901. bool "R4300"
  902. depends on SYS_HAS_CPU_R4300
  903. select CPU_HAS_LLSC
  904. select CPU_SUPPORTS_32BIT_KERNEL
  905. select CPU_SUPPORTS_64BIT_KERNEL
  906. help
  907. MIPS Technologies R4300-series processors.
  908. config CPU_R4X00
  909. bool "R4x00"
  910. depends on SYS_HAS_CPU_R4X00
  911. select CPU_HAS_LLSC
  912. select CPU_SUPPORTS_32BIT_KERNEL
  913. select CPU_SUPPORTS_64BIT_KERNEL
  914. help
  915. MIPS Technologies R4000-series processors other than 4300, including
  916. the R4000, R4400, R4600, and 4700.
  917. config CPU_TX49XX
  918. bool "R49XX"
  919. depends on SYS_HAS_CPU_TX49XX
  920. select CPU_HAS_LLSC
  921. select CPU_HAS_PREFETCH
  922. select CPU_SUPPORTS_32BIT_KERNEL
  923. select CPU_SUPPORTS_64BIT_KERNEL
  924. config CPU_R5000
  925. bool "R5000"
  926. depends on SYS_HAS_CPU_R5000
  927. select CPU_HAS_LLSC
  928. select CPU_SUPPORTS_32BIT_KERNEL
  929. select CPU_SUPPORTS_64BIT_KERNEL
  930. help
  931. MIPS Technologies R5000-series processors other than the Nevada.
  932. config CPU_R5432
  933. bool "R5432"
  934. depends on SYS_HAS_CPU_R5432
  935. select CPU_HAS_LLSC
  936. select CPU_SUPPORTS_32BIT_KERNEL
  937. select CPU_SUPPORTS_64BIT_KERNEL
  938. config CPU_R6000
  939. bool "R6000"
  940. depends on EXPERIMENTAL
  941. select CPU_HAS_LLSC
  942. depends on SYS_HAS_CPU_R6000
  943. select CPU_SUPPORTS_32BIT_KERNEL
  944. help
  945. MIPS Technologies R6000 and R6000A series processors. Note these
  946. processors are extremely rare and the support for them is incomplete.
  947. config CPU_NEVADA
  948. bool "RM52xx"
  949. depends on SYS_HAS_CPU_NEVADA
  950. select CPU_HAS_LLSC
  951. select CPU_SUPPORTS_32BIT_KERNEL
  952. select CPU_SUPPORTS_64BIT_KERNEL
  953. help
  954. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  955. config CPU_R8000
  956. bool "R8000"
  957. depends on EXPERIMENTAL
  958. depends on SYS_HAS_CPU_R8000
  959. select CPU_HAS_LLSC
  960. select CPU_HAS_PREFETCH
  961. select CPU_SUPPORTS_64BIT_KERNEL
  962. help
  963. MIPS Technologies R8000 processors. Note these processors are
  964. uncommon and the support for them is incomplete.
  965. config CPU_R10000
  966. bool "R10000"
  967. depends on SYS_HAS_CPU_R10000
  968. select CPU_HAS_LLSC
  969. select CPU_HAS_PREFETCH
  970. select CPU_SUPPORTS_32BIT_KERNEL
  971. select CPU_SUPPORTS_64BIT_KERNEL
  972. select CPU_SUPPORTS_HIGHMEM
  973. help
  974. MIPS Technologies R10000-series processors.
  975. config CPU_RM7000
  976. bool "RM7000"
  977. depends on SYS_HAS_CPU_RM7000
  978. select CPU_HAS_LLSC
  979. select CPU_HAS_PREFETCH
  980. select CPU_SUPPORTS_32BIT_KERNEL
  981. select CPU_SUPPORTS_64BIT_KERNEL
  982. select CPU_SUPPORTS_HIGHMEM
  983. config CPU_RM9000
  984. bool "RM9000"
  985. depends on SYS_HAS_CPU_RM9000
  986. select CPU_HAS_LLSC
  987. select CPU_HAS_PREFETCH
  988. select CPU_SUPPORTS_32BIT_KERNEL
  989. select CPU_SUPPORTS_64BIT_KERNEL
  990. select CPU_SUPPORTS_HIGHMEM
  991. select WEAK_ORDERING
  992. config CPU_SB1
  993. bool "SB1"
  994. depends on SYS_HAS_CPU_SB1
  995. select CPU_HAS_LLSC
  996. select CPU_SUPPORTS_32BIT_KERNEL
  997. select CPU_SUPPORTS_64BIT_KERNEL
  998. select CPU_SUPPORTS_HIGHMEM
  999. select WEAK_ORDERING
  1000. endchoice
  1001. config SYS_HAS_CPU_LOONGSON2
  1002. bool
  1003. config SYS_HAS_CPU_MIPS32_R1
  1004. bool
  1005. config SYS_HAS_CPU_MIPS32_R2
  1006. bool
  1007. config SYS_HAS_CPU_MIPS64_R1
  1008. bool
  1009. config SYS_HAS_CPU_MIPS64_R2
  1010. bool
  1011. config SYS_HAS_CPU_R3000
  1012. bool
  1013. config SYS_HAS_CPU_TX39XX
  1014. bool
  1015. config SYS_HAS_CPU_VR41XX
  1016. bool
  1017. config SYS_HAS_CPU_R4300
  1018. bool
  1019. config SYS_HAS_CPU_R4X00
  1020. bool
  1021. config SYS_HAS_CPU_TX49XX
  1022. bool
  1023. config SYS_HAS_CPU_R5000
  1024. bool
  1025. config SYS_HAS_CPU_R5432
  1026. bool
  1027. config SYS_HAS_CPU_R6000
  1028. bool
  1029. config SYS_HAS_CPU_NEVADA
  1030. bool
  1031. config SYS_HAS_CPU_R8000
  1032. bool
  1033. config SYS_HAS_CPU_R10000
  1034. bool
  1035. config SYS_HAS_CPU_RM7000
  1036. bool
  1037. config SYS_HAS_CPU_RM9000
  1038. bool
  1039. config SYS_HAS_CPU_SB1
  1040. bool
  1041. #
  1042. # CPU may reorder R->R, R->W, W->R, W->W
  1043. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1044. #
  1045. config WEAK_ORDERING
  1046. bool
  1047. #
  1048. # CPU may reorder reads and writes beyond LL/SC
  1049. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1050. #
  1051. config WEAK_REORDERING_BEYOND_LLSC
  1052. bool
  1053. endmenu
  1054. #
  1055. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1056. #
  1057. config CPU_MIPS32
  1058. bool
  1059. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1060. config CPU_MIPS64
  1061. bool
  1062. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1063. #
  1064. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1065. #
  1066. config CPU_MIPSR1
  1067. bool
  1068. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1069. config CPU_MIPSR2
  1070. bool
  1071. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1072. config SYS_SUPPORTS_32BIT_KERNEL
  1073. bool
  1074. config SYS_SUPPORTS_64BIT_KERNEL
  1075. bool
  1076. config CPU_SUPPORTS_32BIT_KERNEL
  1077. bool
  1078. config CPU_SUPPORTS_64BIT_KERNEL
  1079. bool
  1080. menu "Kernel type"
  1081. choice
  1082. prompt "Kernel code model"
  1083. help
  1084. You should only select this option if you have a workload that
  1085. actually benefits from 64-bit processing or if your machine has
  1086. large memory. You will only be presented a single option in this
  1087. menu if your system does not support both 32-bit and 64-bit kernels.
  1088. config 32BIT
  1089. bool "32-bit kernel"
  1090. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1091. select TRAD_SIGNALS
  1092. help
  1093. Select this option if you want to build a 32-bit kernel.
  1094. config 64BIT
  1095. bool "64-bit kernel"
  1096. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1097. help
  1098. Select this option if you want to build a 64-bit kernel.
  1099. endchoice
  1100. choice
  1101. prompt "Kernel page size"
  1102. default PAGE_SIZE_4KB
  1103. config PAGE_SIZE_4KB
  1104. bool "4kB"
  1105. help
  1106. This option select the standard 4kB Linux page size. On some
  1107. R3000-family processors this is the only available page size. Using
  1108. 4kB page size will minimize memory consumption and is therefore
  1109. recommended for low memory systems.
  1110. config PAGE_SIZE_8KB
  1111. bool "8kB"
  1112. depends on EXPERIMENTAL && CPU_R8000
  1113. help
  1114. Using 8kB page size will result in higher performance kernel at
  1115. the price of higher memory consumption. This option is available
  1116. only on the R8000 processor. Not that at the time of this writing
  1117. this option is still high experimental; there are also issues with
  1118. compatibility of user applications.
  1119. config PAGE_SIZE_16KB
  1120. bool "16kB"
  1121. depends on !CPU_R3000 && !CPU_TX39XX
  1122. help
  1123. Using 16kB page size will result in higher performance kernel at
  1124. the price of higher memory consumption. This option is available on
  1125. all non-R3000 family processors. Note that you will need a suitable
  1126. Linux distribution to support this.
  1127. config PAGE_SIZE_64KB
  1128. bool "64kB"
  1129. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1130. help
  1131. Using 64kB page size will result in higher performance kernel at
  1132. the price of higher memory consumption. This option is available on
  1133. all non-R3000 family processor. Not that at the time of this
  1134. writing this option is still high experimental.
  1135. endchoice
  1136. config BOARD_SCACHE
  1137. bool
  1138. config IP22_CPU_SCACHE
  1139. bool
  1140. select BOARD_SCACHE
  1141. #
  1142. # Support for a MIPS32 / MIPS64 style S-caches
  1143. #
  1144. config MIPS_CPU_SCACHE
  1145. bool
  1146. select BOARD_SCACHE
  1147. config R5000_CPU_SCACHE
  1148. bool
  1149. select BOARD_SCACHE
  1150. config RM7000_CPU_SCACHE
  1151. bool
  1152. select BOARD_SCACHE
  1153. config SIBYTE_DMA_PAGEOPS
  1154. bool "Use DMA to clear/copy pages"
  1155. depends on CPU_SB1
  1156. help
  1157. Instead of using the CPU to zero and copy pages, use a Data Mover
  1158. channel. These DMA channels are otherwise unused by the standard
  1159. SiByte Linux port. Seems to give a small performance benefit.
  1160. config CPU_HAS_PREFETCH
  1161. bool
  1162. choice
  1163. prompt "MIPS MT options"
  1164. config MIPS_MT_DISABLED
  1165. bool "Disable multithreading support."
  1166. help
  1167. Use this option if your workload can't take advantage of
  1168. MIPS hardware multithreading support. On systems that don't have
  1169. the option of an MT-enabled processor this option will be the only
  1170. option in this menu.
  1171. config MIPS_MT_SMP
  1172. bool "Use 1 TC on each available VPE for SMP"
  1173. depends on SYS_SUPPORTS_MULTITHREADING
  1174. select CPU_MIPSR2_IRQ_VI
  1175. select CPU_MIPSR2_IRQ_EI
  1176. select MIPS_MT
  1177. select NR_CPUS_DEFAULT_2
  1178. select SMP
  1179. select SYS_SUPPORTS_SCHED_SMT if SMP
  1180. select SYS_SUPPORTS_SMP
  1181. select SMP_UP
  1182. help
  1183. This is a kernel model which is also known a VSMP or lately
  1184. has been marketesed into SMVP.
  1185. config MIPS_MT_SMTC
  1186. bool "SMTC: Use all TCs on all VPEs for SMP"
  1187. depends on CPU_MIPS32_R2
  1188. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1189. depends on SYS_SUPPORTS_MULTITHREADING
  1190. select GENERIC_CLOCKEVENTS_BROADCAST
  1191. select CPU_MIPSR2_IRQ_VI
  1192. select CPU_MIPSR2_IRQ_EI
  1193. select MIPS_MT
  1194. select NR_CPUS_DEFAULT_8
  1195. select SMP
  1196. select SYS_SUPPORTS_SMP
  1197. select SMP_UP
  1198. help
  1199. This is a kernel model which is known a SMTC or lately has been
  1200. marketesed into SMVP.
  1201. endchoice
  1202. config MIPS_MT
  1203. bool
  1204. config SCHED_SMT
  1205. bool "SMT (multithreading) scheduler support"
  1206. depends on SYS_SUPPORTS_SCHED_SMT
  1207. default n
  1208. help
  1209. SMT scheduler support improves the CPU scheduler's decision making
  1210. when dealing with MIPS MT enabled cores at a cost of slightly
  1211. increased overhead in some places. If unsure say N here.
  1212. config SYS_SUPPORTS_SCHED_SMT
  1213. bool
  1214. config SYS_SUPPORTS_MULTITHREADING
  1215. bool
  1216. config MIPS_MT_FPAFF
  1217. bool "Dynamic FPU affinity for FP-intensive threads"
  1218. default y
  1219. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1220. config MIPS_VPE_LOADER
  1221. bool "VPE loader support."
  1222. depends on SYS_SUPPORTS_MULTITHREADING
  1223. select CPU_MIPSR2_IRQ_VI
  1224. select CPU_MIPSR2_IRQ_EI
  1225. select MIPS_MT
  1226. help
  1227. Includes a loader for loading an elf relocatable object
  1228. onto another VPE and running it.
  1229. config MIPS_MT_SMTC_INSTANT_REPLAY
  1230. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1231. depends on MIPS_MT_SMTC && !PREEMPT
  1232. default y
  1233. help
  1234. SMTC pseudo-interrupts between TCs are deferred and queued
  1235. if the target TC is interrupt-inhibited (IXMT). In the first
  1236. SMTC prototypes, these queued IPIs were serviced on return
  1237. to user mode, or on entry into the kernel idle loop. The
  1238. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1239. processing, which adds runtime overhead (hence the option to turn
  1240. it off), but ensures that IPIs are handled promptly even under
  1241. heavy I/O interrupt load.
  1242. config MIPS_MT_SMTC_IM_BACKSTOP
  1243. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1244. depends on MIPS_MT_SMTC
  1245. default y
  1246. help
  1247. To support multiple TC microthreads acting as "CPUs" within
  1248. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1249. during interrupt handling. To support legacy drivers and interrupt
  1250. controller management code, SMTC has a "backstop" to track and
  1251. if necessary restore the interrupt mask. This has some performance
  1252. impact on interrupt service overhead. Disable it only if you know
  1253. what you are doing.
  1254. config MIPS_MT_SMTC_IRQAFF
  1255. bool "Support IRQ affinity API"
  1256. depends on MIPS_MT_SMTC
  1257. default n
  1258. help
  1259. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1260. for SMTC Linux kernel. Requires platform support, of which
  1261. an example can be found in the MIPS kernel i8259 and Malta
  1262. platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
  1263. be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
  1264. interrupt dispatch, and should be used only if you know what
  1265. you are doing.
  1266. config MIPS_VPE_LOADER_TOM
  1267. bool "Load VPE program into memory hidden from linux"
  1268. depends on MIPS_VPE_LOADER
  1269. default y
  1270. help
  1271. The loader can use memory that is present but has been hidden from
  1272. Linux using the kernel command line option "mem=xxMB". It's up to
  1273. you to ensure the amount you put in the option and the space your
  1274. program requires is less or equal to the amount physically present.
  1275. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1276. config MIPS_VPE_APSP_API
  1277. bool "Enable support for AP/SP API (RTLX)"
  1278. depends on MIPS_VPE_LOADER
  1279. help
  1280. config MIPS_APSP_KSPD
  1281. bool "Enable KSPD"
  1282. depends on MIPS_VPE_APSP_API
  1283. default y
  1284. help
  1285. KSPD is a kernel daemon that accepts syscall requests from the SP
  1286. side, actions them and returns the results. It also handles the
  1287. "exit" syscall notifying other kernel modules the SP program is
  1288. exiting. You probably want to say yes here.
  1289. config SB1_PASS_1_WORKAROUNDS
  1290. bool
  1291. depends on CPU_SB1_PASS_1
  1292. default y
  1293. config SB1_PASS_2_WORKAROUNDS
  1294. bool
  1295. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1296. default y
  1297. config SB1_PASS_2_1_WORKAROUNDS
  1298. bool
  1299. depends on CPU_SB1 && CPU_SB1_PASS_2
  1300. default y
  1301. config 64BIT_PHYS_ADDR
  1302. bool
  1303. config CPU_HAS_LLSC
  1304. bool
  1305. config CPU_HAS_SMARTMIPS
  1306. depends on SYS_SUPPORTS_SMARTMIPS
  1307. bool "Support for the SmartMIPS ASE"
  1308. help
  1309. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1310. increased security at both hardware and software level for
  1311. smartcards. Enabling this option will allow proper use of the
  1312. SmartMIPS instructions by Linux applications. However a kernel with
  1313. this option will not work on a MIPS core without SmartMIPS core. If
  1314. you don't know you probably don't have SmartMIPS and should say N
  1315. here.
  1316. config CPU_HAS_WB
  1317. bool
  1318. #
  1319. # Vectored interrupt mode is an R2 feature
  1320. #
  1321. config CPU_MIPSR2_IRQ_VI
  1322. bool
  1323. #
  1324. # Extended interrupt mode is an R2 feature
  1325. #
  1326. config CPU_MIPSR2_IRQ_EI
  1327. bool
  1328. config CPU_HAS_SYNC
  1329. bool
  1330. depends on !CPU_R3000
  1331. default y
  1332. config GENERIC_CLOCKEVENTS_BROADCAST
  1333. bool
  1334. #
  1335. # CPU non-features
  1336. #
  1337. config CPU_DADDI_WORKAROUNDS
  1338. bool
  1339. config CPU_R4000_WORKAROUNDS
  1340. bool
  1341. select CPU_R4400_WORKAROUNDS
  1342. config CPU_R4400_WORKAROUNDS
  1343. bool
  1344. #
  1345. # Use the generic interrupt handling code in kernel/irq/:
  1346. #
  1347. config GENERIC_HARDIRQS
  1348. bool
  1349. default y
  1350. config GENERIC_IRQ_PROBE
  1351. bool
  1352. default y
  1353. config IRQ_PER_CPU
  1354. bool
  1355. #
  1356. # - Highmem only makes sense for the 32-bit kernel.
  1357. # - The current highmem code will only work properly on physically indexed
  1358. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1359. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1360. # moment we protect the user and offer the highmem option only on machines
  1361. # where it's known to be safe. This will not offer highmem on a few systems
  1362. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1363. # indexed CPUs but we're playing safe.
  1364. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1365. # know they might have memory configurations that could make use of highmem
  1366. # support.
  1367. #
  1368. config HIGHMEM
  1369. bool "High Memory Support"
  1370. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1371. config CPU_SUPPORTS_HIGHMEM
  1372. bool
  1373. config SYS_SUPPORTS_HIGHMEM
  1374. bool
  1375. config SYS_SUPPORTS_SMARTMIPS
  1376. bool
  1377. config ARCH_FLATMEM_ENABLE
  1378. def_bool y
  1379. depends on !NUMA
  1380. config ARCH_DISCONTIGMEM_ENABLE
  1381. bool
  1382. default y if SGI_IP27
  1383. help
  1384. Say Y to support efficient handling of discontiguous physical memory,
  1385. for architectures which are either NUMA (Non-Uniform Memory Access)
  1386. or have huge holes in the physical address space for other reasons.
  1387. See <file:Documentation/vm/numa> for more.
  1388. config ARCH_POPULATES_NODE_MAP
  1389. def_bool y
  1390. config ARCH_SPARSEMEM_ENABLE
  1391. bool
  1392. select SPARSEMEM_STATIC
  1393. config NUMA
  1394. bool "NUMA Support"
  1395. depends on SYS_SUPPORTS_NUMA
  1396. help
  1397. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1398. Access). This option improves performance on systems with more
  1399. than two nodes; on two node systems it is generally better to
  1400. leave it disabled; on single node systems disable this option
  1401. disabled.
  1402. config SYS_SUPPORTS_NUMA
  1403. bool
  1404. config NODES_SHIFT
  1405. int
  1406. default "6"
  1407. depends on NEED_MULTIPLE_NODES
  1408. source "mm/Kconfig"
  1409. config SMP
  1410. bool "Multi-Processing support"
  1411. depends on SYS_SUPPORTS_SMP
  1412. select IRQ_PER_CPU
  1413. select USE_GENERIC_SMP_HELPERS
  1414. help
  1415. This enables support for systems with more than one CPU. If you have
  1416. a system with only one CPU, like most personal computers, say N. If
  1417. you have a system with more than one CPU, say Y.
  1418. If you say N here, the kernel will run on single and multiprocessor
  1419. machines, but will use only one CPU of a multiprocessor machine. If
  1420. you say Y here, the kernel will run on many, but not all,
  1421. singleprocessor machines. On a singleprocessor machine, the kernel
  1422. will run faster if you say N here.
  1423. People using multiprocessor machines who say Y here should also say
  1424. Y to "Enhanced Real Time Clock Support", below.
  1425. See also the SMP-HOWTO available at
  1426. <http://www.tldp.org/docs.html#howto>.
  1427. If you don't know what to do here, say N.
  1428. config SMP_UP
  1429. bool
  1430. config SYS_SUPPORTS_SMP
  1431. bool
  1432. config NR_CPUS_DEFAULT_1
  1433. bool
  1434. config NR_CPUS_DEFAULT_2
  1435. bool
  1436. config NR_CPUS_DEFAULT_4
  1437. bool
  1438. config NR_CPUS_DEFAULT_8
  1439. bool
  1440. config NR_CPUS_DEFAULT_16
  1441. bool
  1442. config NR_CPUS_DEFAULT_32
  1443. bool
  1444. config NR_CPUS_DEFAULT_64
  1445. bool
  1446. config NR_CPUS
  1447. int "Maximum number of CPUs (2-64)"
  1448. range 1 64 if NR_CPUS_DEFAULT_1
  1449. depends on SMP
  1450. default "1" if NR_CPUS_DEFAULT_1
  1451. default "2" if NR_CPUS_DEFAULT_2
  1452. default "4" if NR_CPUS_DEFAULT_4
  1453. default "8" if NR_CPUS_DEFAULT_8
  1454. default "16" if NR_CPUS_DEFAULT_16
  1455. default "32" if NR_CPUS_DEFAULT_32
  1456. default "64" if NR_CPUS_DEFAULT_64
  1457. help
  1458. This allows you to specify the maximum number of CPUs which this
  1459. kernel will support. The maximum supported value is 32 for 32-bit
  1460. kernel and 64 for 64-bit kernels; the minimum value which makes
  1461. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1462. and 2 for all others.
  1463. This is purely to save memory - each supported CPU adds
  1464. approximately eight kilobytes to the kernel image. For best
  1465. performance should round up your number of processors to the next
  1466. power of two.
  1467. config MIPS_CMP
  1468. bool "MIPS CMP framework support"
  1469. depends on SMP
  1470. select SYNC_R4K
  1471. select SYS_SUPPORTS_SCHED_SMT
  1472. select WEAK_ORDERING
  1473. default n
  1474. help
  1475. This is a placeholder option for the GCMP work. It will need to
  1476. be handled differently...
  1477. source "kernel/time/Kconfig"
  1478. #
  1479. # Timer Interrupt Frequency Configuration
  1480. #
  1481. choice
  1482. prompt "Timer frequency"
  1483. default HZ_250
  1484. help
  1485. Allows the configuration of the timer frequency.
  1486. config HZ_48
  1487. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1488. config HZ_100
  1489. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1490. config HZ_128
  1491. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1492. config HZ_250
  1493. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1494. config HZ_256
  1495. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1496. config HZ_1000
  1497. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1498. config HZ_1024
  1499. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1500. endchoice
  1501. config SYS_SUPPORTS_48HZ
  1502. bool
  1503. config SYS_SUPPORTS_100HZ
  1504. bool
  1505. config SYS_SUPPORTS_128HZ
  1506. bool
  1507. config SYS_SUPPORTS_250HZ
  1508. bool
  1509. config SYS_SUPPORTS_256HZ
  1510. bool
  1511. config SYS_SUPPORTS_1000HZ
  1512. bool
  1513. config SYS_SUPPORTS_1024HZ
  1514. bool
  1515. config SYS_SUPPORTS_ARBIT_HZ
  1516. bool
  1517. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1518. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1519. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1520. !SYS_SUPPORTS_1024HZ
  1521. config HZ
  1522. int
  1523. default 48 if HZ_48
  1524. default 100 if HZ_100
  1525. default 128 if HZ_128
  1526. default 250 if HZ_250
  1527. default 256 if HZ_256
  1528. default 1000 if HZ_1000
  1529. default 1024 if HZ_1024
  1530. source "kernel/Kconfig.preempt"
  1531. config MIPS_INSANE_LARGE
  1532. bool "Support for large 64-bit configurations"
  1533. depends on CPU_R10000 && 64BIT
  1534. help
  1535. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1536. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1537. need processes of more than 1TB virtual address space, say Y here.
  1538. This will result in additional memory usage, so it is not
  1539. recommended for normal users.
  1540. config KEXEC
  1541. bool "Kexec system call (EXPERIMENTAL)"
  1542. depends on EXPERIMENTAL
  1543. help
  1544. kexec is a system call that implements the ability to shutdown your
  1545. current kernel, and to start another kernel. It is like a reboot
  1546. but it is independent of the system firmware. And like a reboot
  1547. you can start any kernel with it, not just Linux.
  1548. The name comes from the similarity to the exec system call.
  1549. It is an ongoing process to be certain the hardware in a machine
  1550. is properly shutdown, so do not be surprised if this code does not
  1551. initially work for you. It may help to enable device hotplugging
  1552. support. As of this writing the exact hardware interface is
  1553. strongly in flux, so no good recommendation can be made.
  1554. config SECCOMP
  1555. bool "Enable seccomp to safely compute untrusted bytecode"
  1556. depends on PROC_FS
  1557. default y
  1558. help
  1559. This kernel feature is useful for number crunching applications
  1560. that may need to compute untrusted bytecode during their
  1561. execution. By using pipes or other transports made available to
  1562. the process as file descriptors supporting the read/write
  1563. syscalls, it's possible to isolate those applications in
  1564. their own address space using seccomp. Once seccomp is
  1565. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1566. and the task is only allowed to execute a few safe syscalls
  1567. defined by each seccomp mode.
  1568. If unsure, say Y. Only embedded should say N here.
  1569. endmenu
  1570. config RWSEM_GENERIC_SPINLOCK
  1571. bool
  1572. default y
  1573. config LOCKDEP_SUPPORT
  1574. bool
  1575. default y
  1576. config STACKTRACE_SUPPORT
  1577. bool
  1578. default y
  1579. source "init/Kconfig"
  1580. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1581. config HW_HAS_EISA
  1582. bool
  1583. config HW_HAS_PCI
  1584. bool
  1585. config PCI
  1586. bool "Support for PCI controller"
  1587. depends on HW_HAS_PCI
  1588. select PCI_DOMAINS
  1589. help
  1590. Find out whether you have a PCI motherboard. PCI is the name of a
  1591. bus system, i.e. the way the CPU talks to the other stuff inside
  1592. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1593. say Y, otherwise N.
  1594. config PCI_DOMAINS
  1595. bool
  1596. source "drivers/pci/Kconfig"
  1597. #
  1598. # ISA support is now enabled via select. Too many systems still have the one
  1599. # or other ISA chip on the board that users don't know about so don't expect
  1600. # users to choose the right thing ...
  1601. #
  1602. config ISA
  1603. bool
  1604. config EISA
  1605. bool "EISA support"
  1606. depends on HW_HAS_EISA
  1607. select ISA
  1608. select GENERIC_ISA_DMA
  1609. ---help---
  1610. The Extended Industry Standard Architecture (EISA) bus was
  1611. developed as an open alternative to the IBM MicroChannel bus.
  1612. The EISA bus provided some of the features of the IBM MicroChannel
  1613. bus while maintaining backward compatibility with cards made for
  1614. the older ISA bus. The EISA bus saw limited use between 1988 and
  1615. 1995 when it was made obsolete by the PCI bus.
  1616. Say Y here if you are building a kernel for an EISA-based machine.
  1617. Otherwise, say N.
  1618. source "drivers/eisa/Kconfig"
  1619. config TC
  1620. bool "TURBOchannel support"
  1621. depends on MACH_DECSTATION
  1622. help
  1623. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1624. processors. Documentation on writing device drivers for TurboChannel
  1625. is available at:
  1626. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1627. #config ACCESSBUS
  1628. # bool "Access.Bus support"
  1629. # depends on TC
  1630. config MMU
  1631. bool
  1632. default y
  1633. config I8253
  1634. bool
  1635. config ZONE_DMA32
  1636. bool
  1637. source "drivers/pcmcia/Kconfig"
  1638. source "drivers/pci/hotplug/Kconfig"
  1639. endmenu
  1640. menu "Executable file formats"
  1641. source "fs/Kconfig.binfmt"
  1642. config TRAD_SIGNALS
  1643. bool
  1644. config MIPS32_COMPAT
  1645. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1646. depends on 64BIT
  1647. help
  1648. Select this option if you want Linux/MIPS 32-bit binary
  1649. compatibility. Since all software available for Linux/MIPS is
  1650. currently 32-bit you should say Y here.
  1651. config COMPAT
  1652. bool
  1653. depends on MIPS32_COMPAT
  1654. default y
  1655. config SYSVIPC_COMPAT
  1656. bool
  1657. depends on COMPAT && SYSVIPC
  1658. default y
  1659. config MIPS32_O32
  1660. bool "Kernel support for o32 binaries"
  1661. depends on MIPS32_COMPAT
  1662. help
  1663. Select this option if you want to run o32 binaries. These are pure
  1664. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1665. existing binaries are in this format.
  1666. If unsure, say Y.
  1667. config MIPS32_N32
  1668. bool "Kernel support for n32 binaries"
  1669. depends on MIPS32_COMPAT
  1670. help
  1671. Select this option if you want to run n32 binaries. These are
  1672. 64-bit binaries using 32-bit quantities for addressing and certain
  1673. data that would normally be 64-bit. They are used in special
  1674. cases.
  1675. If unsure, say N.
  1676. config BINFMT_ELF32
  1677. bool
  1678. default y if MIPS32_O32 || MIPS32_N32
  1679. endmenu
  1680. menu "Power management options"
  1681. config ARCH_SUSPEND_POSSIBLE
  1682. def_bool y
  1683. depends on !SMP
  1684. source "kernel/power/Kconfig"
  1685. endmenu
  1686. source "net/Kconfig"
  1687. source "drivers/Kconfig"
  1688. source "fs/Kconfig"
  1689. source "arch/mips/Kconfig.debug"
  1690. source "security/Kconfig"
  1691. source "crypto/Kconfig"
  1692. source "lib/Kconfig"