Kconfig 49 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_OPROFILE
  5. # Horrible source of confusion. Die, die, die ...
  6. select EMBEDDED
  7. select RTC_LIB
  8. mainmenu "Linux/MIPS Kernel Configuration"
  9. menu "Machine selection"
  10. config ZONE_DMA
  11. bool
  12. choice
  13. prompt "System type"
  14. default SGI_IP22
  15. config MACH_ALCHEMY
  16. bool "Alchemy processor based machines"
  17. config BASLER_EXCITE
  18. bool "Basler eXcite smart camera"
  19. select CEVT_R4K
  20. select CSRC_R4K
  21. select DMA_COHERENT
  22. select HW_HAS_PCI
  23. select IRQ_CPU
  24. select IRQ_CPU_RM7K
  25. select IRQ_CPU_RM9K
  26. select MIPS_RM9122
  27. select SYS_HAS_CPU_RM9000
  28. select SYS_SUPPORTS_32BIT_KERNEL
  29. select SYS_SUPPORTS_BIG_ENDIAN
  30. select SYS_SUPPORTS_KGDB
  31. help
  32. The eXcite is a smart camera platform manufactured by
  33. Basler Vision Technologies AG.
  34. config BCM47XX
  35. bool "BCM47XX based boards"
  36. select CEVT_R4K
  37. select CSRC_R4K
  38. select DMA_NONCOHERENT
  39. select HW_HAS_PCI
  40. select IRQ_CPU
  41. select SYS_HAS_CPU_MIPS32_R1
  42. select SYS_SUPPORTS_32BIT_KERNEL
  43. select SYS_SUPPORTS_LITTLE_ENDIAN
  44. select SSB
  45. select SSB_DRIVER_MIPS
  46. select SSB_DRIVER_EXTIF
  47. select SSB_PCICORE_HOSTMODE if PCI
  48. select GENERIC_GPIO
  49. select SYS_HAS_EARLY_PRINTK
  50. select CFE
  51. help
  52. Support for BCM47XX based boards
  53. config MIPS_COBALT
  54. bool "Cobalt Server"
  55. select CEVT_R4K
  56. select CSRC_R4K
  57. select CEVT_GT641XX
  58. select DMA_NONCOHERENT
  59. select HW_HAS_PCI
  60. select I8253
  61. select I8259
  62. select IRQ_CPU
  63. select IRQ_GT641XX
  64. select PCI_GT64XXX_PCI0
  65. select SYS_HAS_CPU_NEVADA
  66. select SYS_HAS_EARLY_PRINTK
  67. select SYS_SUPPORTS_32BIT_KERNEL
  68. select SYS_SUPPORTS_64BIT_KERNEL
  69. select SYS_SUPPORTS_LITTLE_ENDIAN
  70. select GENERIC_HARDIRQS_NO__DO_IRQ
  71. config MACH_DECSTATION
  72. bool "DECstations"
  73. select BOOT_ELF32
  74. select CEVT_R4K
  75. select CSRC_R4K
  76. select CPU_DADDI_WORKAROUNDS if 64BIT
  77. select CPU_R4000_WORKAROUNDS if 64BIT
  78. select CPU_R4400_WORKAROUNDS if 64BIT
  79. select DMA_NONCOHERENT
  80. select NO_IOPORT
  81. select IRQ_CPU
  82. select SYS_HAS_CPU_R3000
  83. select SYS_HAS_CPU_R4X00
  84. select SYS_SUPPORTS_32BIT_KERNEL
  85. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  86. select SYS_SUPPORTS_LITTLE_ENDIAN
  87. select SYS_SUPPORTS_128HZ
  88. select SYS_SUPPORTS_256HZ
  89. select SYS_SUPPORTS_1024HZ
  90. help
  91. This enables support for DEC's MIPS based workstations. For details
  92. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  93. DECstation porting pages on <http://decstation.unix-ag.org/>.
  94. If you have one of the following DECstation Models you definitely
  95. want to choose R4xx0 for the CPU Type:
  96. DECstation 5000/50
  97. DECstation 5000/150
  98. DECstation 5000/260
  99. DECsystem 5900/260
  100. otherwise choose R3000.
  101. config MACH_JAZZ
  102. bool "Jazz family of machines"
  103. select ARC
  104. select ARC32
  105. select ARCH_MAY_HAVE_PC_FDC
  106. select CEVT_R4K
  107. select CSRC_R4K
  108. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  109. select GENERIC_ISA_DMA
  110. select IRQ_CPU
  111. select I8253
  112. select I8259
  113. select ISA
  114. select SYS_HAS_CPU_R4X00
  115. select SYS_SUPPORTS_32BIT_KERNEL
  116. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  117. select SYS_SUPPORTS_100HZ
  118. select GENERIC_HARDIRQS_NO__DO_IRQ
  119. help
  120. This a family of machines based on the MIPS R4030 chipset which was
  121. used by several vendors to build RISC/os and Windows NT workstations.
  122. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  123. Olivetti M700-10 workstations.
  124. config LASAT
  125. bool "LASAT Networks platforms"
  126. select CEVT_R4K
  127. select CSRC_R4K
  128. select DMA_NONCOHERENT
  129. select SYS_HAS_EARLY_PRINTK
  130. select HW_HAS_PCI
  131. select IRQ_CPU
  132. select PCI_GT64XXX_PCI0
  133. select MIPS_NILE4
  134. select R5000_CPU_SCACHE
  135. select SYS_HAS_CPU_R5000
  136. select SYS_SUPPORTS_32BIT_KERNEL
  137. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  138. select SYS_SUPPORTS_LITTLE_ENDIAN
  139. select GENERIC_HARDIRQS_NO__DO_IRQ
  140. config LEMOTE_FULONG
  141. bool "Lemote Fulong mini-PC"
  142. select ARCH_SPARSEMEM_ENABLE
  143. select CEVT_R4K
  144. select CSRC_R4K
  145. select SYS_HAS_CPU_LOONGSON2
  146. select DMA_NONCOHERENT
  147. select BOOT_ELF32
  148. select BOARD_SCACHE
  149. select HAVE_STD_PC_SERIAL_PORT
  150. select HW_HAS_PCI
  151. select I8259
  152. select ISA
  153. select IRQ_CPU
  154. select SYS_SUPPORTS_32BIT_KERNEL
  155. select SYS_SUPPORTS_64BIT_KERNEL
  156. select SYS_SUPPORTS_LITTLE_ENDIAN
  157. select SYS_SUPPORTS_HIGHMEM
  158. select SYS_HAS_EARLY_PRINTK
  159. select GENERIC_HARDIRQS_NO__DO_IRQ
  160. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  161. select CPU_HAS_WB
  162. help
  163. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  164. an FPGA northbridge
  165. config MIPS_ATLAS
  166. bool "MIPS Atlas board"
  167. select BOOT_ELF32
  168. select BOOT_RAW
  169. select CEVT_R4K
  170. select CSRC_R4K
  171. select DMA_NONCOHERENT
  172. select SYS_HAS_EARLY_PRINTK
  173. select IRQ_CPU
  174. select HW_HAS_PCI
  175. select MIPS_BOARDS_GEN
  176. select MIPS_BONITO64
  177. select PCI_GT64XXX_PCI0
  178. select MIPS_MSC
  179. select RM7000_CPU_SCACHE
  180. select SWAP_IO_SPACE
  181. select SYS_HAS_CPU_MIPS32_R1
  182. select SYS_HAS_CPU_MIPS32_R2
  183. select SYS_HAS_CPU_MIPS64_R1
  184. select SYS_HAS_CPU_NEVADA
  185. select SYS_HAS_CPU_RM7000
  186. select SYS_SUPPORTS_32BIT_KERNEL
  187. select SYS_SUPPORTS_64BIT_KERNEL
  188. select SYS_SUPPORTS_BIG_ENDIAN
  189. select SYS_SUPPORTS_LITTLE_ENDIAN
  190. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  191. select SYS_SUPPORTS_SMARTMIPS
  192. select GENERIC_HARDIRQS_NO__DO_IRQ
  193. help
  194. This enables support for the MIPS Technologies Atlas evaluation
  195. board.
  196. config MIPS_MALTA
  197. bool "MIPS Malta board"
  198. select ARCH_MAY_HAVE_PC_FDC
  199. select BOOT_ELF32
  200. select BOOT_RAW
  201. select CEVT_R4K
  202. select CSRC_R4K
  203. select DMA_NONCOHERENT
  204. select GENERIC_ISA_DMA
  205. select IRQ_CPU
  206. select HW_HAS_PCI
  207. select I8253
  208. select I8259
  209. select MIPS_BOARDS_GEN
  210. select MIPS_BONITO64
  211. select MIPS_CPU_SCACHE
  212. select PCI_GT64XXX_PCI0
  213. select MIPS_MSC
  214. select SWAP_IO_SPACE
  215. select SYS_HAS_CPU_MIPS32_R1
  216. select SYS_HAS_CPU_MIPS32_R2
  217. select SYS_HAS_CPU_MIPS64_R1
  218. select SYS_HAS_CPU_NEVADA
  219. select SYS_HAS_CPU_RM7000
  220. select SYS_HAS_EARLY_PRINTK
  221. select SYS_SUPPORTS_32BIT_KERNEL
  222. select SYS_SUPPORTS_64BIT_KERNEL
  223. select SYS_SUPPORTS_BIG_ENDIAN
  224. select SYS_SUPPORTS_LITTLE_ENDIAN
  225. select SYS_SUPPORTS_MULTITHREADING
  226. select SYS_SUPPORTS_SMARTMIPS
  227. help
  228. This enables support for the MIPS Technologies Malta evaluation
  229. board.
  230. config MIPS_SEAD
  231. bool "MIPS SEAD board"
  232. select CEVT_R4K
  233. select CSRC_R4K
  234. select IRQ_CPU
  235. select DMA_NONCOHERENT
  236. select SYS_HAS_EARLY_PRINTK
  237. select MIPS_BOARDS_GEN
  238. select SYS_HAS_CPU_MIPS32_R1
  239. select SYS_HAS_CPU_MIPS32_R2
  240. select SYS_HAS_CPU_MIPS64_R1
  241. select SYS_SUPPORTS_32BIT_KERNEL
  242. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  243. select SYS_SUPPORTS_BIG_ENDIAN
  244. select SYS_SUPPORTS_LITTLE_ENDIAN
  245. select SYS_SUPPORTS_SMARTMIPS
  246. help
  247. This enables support for the MIPS Technologies SEAD evaluation
  248. board.
  249. config MIPS_SIM
  250. bool 'MIPS simulator (MIPSsim)'
  251. select CEVT_R4K
  252. select CSRC_R4K
  253. select DMA_NONCOHERENT
  254. select SYS_HAS_EARLY_PRINTK
  255. select IRQ_CPU
  256. select BOOT_RAW
  257. select SYS_HAS_CPU_MIPS32_R1
  258. select SYS_HAS_CPU_MIPS32_R2
  259. select SYS_HAS_EARLY_PRINTK
  260. select SYS_SUPPORTS_32BIT_KERNEL
  261. select SYS_SUPPORTS_BIG_ENDIAN
  262. select SYS_SUPPORTS_MULTITHREADING
  263. select SYS_SUPPORTS_LITTLE_ENDIAN
  264. help
  265. This option enables support for MIPS Technologies MIPSsim software
  266. emulator.
  267. config MARKEINS
  268. bool "NEC EMMA2RH Mark-eins"
  269. select CEVT_R4K
  270. select CSRC_R4K
  271. select DMA_NONCOHERENT
  272. select HW_HAS_PCI
  273. select IRQ_CPU
  274. select SWAP_IO_SPACE
  275. select SYS_SUPPORTS_32BIT_KERNEL
  276. select SYS_SUPPORTS_BIG_ENDIAN
  277. select SYS_SUPPORTS_LITTLE_ENDIAN
  278. select SYS_HAS_CPU_R5000
  279. help
  280. This enables support for the R5432-based NEC Mark-eins
  281. boards with R5500 CPU.
  282. config MACH_VR41XX
  283. bool "NEC VR4100 series based machines"
  284. select CEVT_R4K
  285. select CSRC_R4K
  286. select SYS_HAS_CPU_VR41XX
  287. select GENERIC_HARDIRQS_NO__DO_IRQ
  288. config PNX8550_JBS
  289. bool "Philips PNX8550 based JBS board"
  290. select PNX8550
  291. select SYS_SUPPORTS_LITTLE_ENDIAN
  292. config PNX8550_STB810
  293. bool "Philips PNX8550 based STB810 board"
  294. select PNX8550
  295. select SYS_SUPPORTS_LITTLE_ENDIAN
  296. config PMC_MSP
  297. bool "PMC-Sierra MSP chipsets"
  298. depends on EXPERIMENTAL
  299. select DMA_NONCOHERENT
  300. select SWAP_IO_SPACE
  301. select NO_EXCEPT_FILL
  302. select BOOT_RAW
  303. select SYS_HAS_CPU_MIPS32_R1
  304. select SYS_HAS_CPU_MIPS32_R2
  305. select SYS_SUPPORTS_32BIT_KERNEL
  306. select SYS_SUPPORTS_BIG_ENDIAN
  307. select SYS_SUPPORTS_KGDB
  308. select IRQ_CPU
  309. select SERIAL_8250
  310. select SERIAL_8250_CONSOLE
  311. help
  312. This adds support for the PMC-Sierra family of Multi-Service
  313. Processor System-On-A-Chips. These parts include a number
  314. of integrated peripherals, interfaces and DSPs in addition to
  315. a variety of MIPS cores.
  316. config PMC_YOSEMITE
  317. bool "PMC-Sierra Yosemite eval board"
  318. select CEVT_R4K
  319. select CSRC_R4K
  320. select DMA_COHERENT
  321. select HW_HAS_PCI
  322. select IRQ_CPU
  323. select IRQ_CPU_RM7K
  324. select IRQ_CPU_RM9K
  325. select SWAP_IO_SPACE
  326. select SYS_HAS_CPU_RM9000
  327. select SYS_HAS_EARLY_PRINTK
  328. select SYS_SUPPORTS_32BIT_KERNEL
  329. select SYS_SUPPORTS_64BIT_KERNEL
  330. select SYS_SUPPORTS_BIG_ENDIAN
  331. select SYS_SUPPORTS_HIGHMEM
  332. select SYS_SUPPORTS_KGDB
  333. select SYS_SUPPORTS_SMP
  334. help
  335. Yosemite is an evaluation board for the RM9000x2 processor
  336. manufactured by PMC-Sierra.
  337. config SGI_IP22
  338. bool "SGI IP22 (Indy/Indigo2)"
  339. select ARC
  340. select ARC32
  341. select BOOT_ELF32
  342. select CEVT_R4K
  343. select CSRC_R4K
  344. select DEFAULT_SGI_PARTITION
  345. select DMA_NONCOHERENT
  346. select HW_HAS_EISA
  347. select I8253
  348. select I8259
  349. select IP22_CPU_SCACHE
  350. select IRQ_CPU
  351. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  352. select SGI_HAS_DS1286
  353. select SGI_HAS_I8042
  354. select SGI_HAS_INDYDOG
  355. select SGI_HAS_SEEQ
  356. select SGI_HAS_WD93
  357. select SGI_HAS_ZILOG
  358. select SWAP_IO_SPACE
  359. select SYS_HAS_CPU_R4X00
  360. select SYS_HAS_CPU_R5000
  361. select SYS_HAS_EARLY_PRINTK
  362. select SYS_SUPPORTS_32BIT_KERNEL
  363. select SYS_SUPPORTS_64BIT_KERNEL
  364. select SYS_SUPPORTS_BIG_ENDIAN
  365. help
  366. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  367. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  368. that runs on these, say Y here.
  369. config SGI_IP27
  370. bool "SGI IP27 (Origin200/2000)"
  371. select ARC
  372. select ARC64
  373. select BOOT_ELF64
  374. select DEFAULT_SGI_PARTITION
  375. select DMA_IP27
  376. select SYS_HAS_EARLY_PRINTK
  377. select HW_HAS_PCI
  378. select NR_CPUS_DEFAULT_64
  379. select SYS_HAS_CPU_R10000
  380. select SYS_SUPPORTS_64BIT_KERNEL
  381. select SYS_SUPPORTS_BIG_ENDIAN
  382. select SYS_SUPPORTS_KGDB
  383. select SYS_SUPPORTS_NUMA
  384. select SYS_SUPPORTS_SMP
  385. select GENERIC_HARDIRQS_NO__DO_IRQ
  386. help
  387. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  388. workstations. To compile a Linux kernel that runs on these, say Y
  389. here.
  390. config SGI_IP28
  391. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  392. depends on EXPERIMENTAL
  393. select ARC
  394. select ARC64
  395. select BOOT_ELF64
  396. select CEVT_R4K
  397. select CSRC_R4K
  398. select DEFAULT_SGI_PARTITION
  399. select DMA_NONCOHERENT
  400. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  401. select IRQ_CPU
  402. select HW_HAS_EISA
  403. select I8253
  404. select I8259
  405. select SGI_HAS_DS1286
  406. select SGI_HAS_I8042
  407. select SGI_HAS_INDYDOG
  408. select SGI_HAS_SEEQ
  409. select SGI_HAS_WD93
  410. select SGI_HAS_ZILOG
  411. select SWAP_IO_SPACE
  412. select SYS_HAS_CPU_R10000
  413. select SYS_HAS_EARLY_PRINTK
  414. select SYS_SUPPORTS_64BIT_KERNEL
  415. select SYS_SUPPORTS_BIG_ENDIAN
  416. help
  417. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  418. kernel that runs on these, say Y here.
  419. config SGI_IP32
  420. bool "SGI IP32 (O2)"
  421. select ARC
  422. select ARC32
  423. select BOOT_ELF32
  424. select CEVT_R4K
  425. select CSRC_R4K
  426. select DMA_NONCOHERENT
  427. select HW_HAS_PCI
  428. select IRQ_CPU
  429. select R5000_CPU_SCACHE
  430. select RM7000_CPU_SCACHE
  431. select SYS_HAS_CPU_R5000
  432. select SYS_HAS_CPU_R10000 if BROKEN
  433. select SYS_HAS_CPU_RM7000
  434. select SYS_HAS_CPU_NEVADA
  435. select SYS_SUPPORTS_64BIT_KERNEL
  436. select SYS_SUPPORTS_BIG_ENDIAN
  437. help
  438. If you want this kernel to run on SGI O2 workstation, say Y here.
  439. config SIBYTE_CRHINE
  440. bool "Sibyte BCM91120C-CRhine"
  441. depends on EXPERIMENTAL
  442. select BOOT_ELF32
  443. select DMA_COHERENT
  444. select SIBYTE_BCM1120
  445. select SWAP_IO_SPACE
  446. select SYS_HAS_CPU_SB1
  447. select SYS_SUPPORTS_BIG_ENDIAN
  448. select SYS_SUPPORTS_LITTLE_ENDIAN
  449. config SIBYTE_CARMEL
  450. bool "Sibyte BCM91120x-Carmel"
  451. depends on EXPERIMENTAL
  452. select BOOT_ELF32
  453. select DMA_COHERENT
  454. select SIBYTE_BCM1120
  455. select SWAP_IO_SPACE
  456. select SYS_HAS_CPU_SB1
  457. select SYS_SUPPORTS_BIG_ENDIAN
  458. select SYS_SUPPORTS_LITTLE_ENDIAN
  459. config SIBYTE_CRHONE
  460. bool "Sibyte BCM91125C-CRhone"
  461. depends on EXPERIMENTAL
  462. select BOOT_ELF32
  463. select DMA_COHERENT
  464. select SIBYTE_BCM1125
  465. select SWAP_IO_SPACE
  466. select SYS_HAS_CPU_SB1
  467. select SYS_SUPPORTS_BIG_ENDIAN
  468. select SYS_SUPPORTS_HIGHMEM
  469. select SYS_SUPPORTS_LITTLE_ENDIAN
  470. config SIBYTE_RHONE
  471. bool "Sibyte BCM91125E-Rhone"
  472. depends on EXPERIMENTAL
  473. select BOOT_ELF32
  474. select DMA_COHERENT
  475. select SIBYTE_BCM1125H
  476. select SWAP_IO_SPACE
  477. select SYS_HAS_CPU_SB1
  478. select SYS_SUPPORTS_BIG_ENDIAN
  479. select SYS_SUPPORTS_LITTLE_ENDIAN
  480. config SIBYTE_SWARM
  481. bool "Sibyte BCM91250A-SWARM"
  482. select BOOT_ELF32
  483. select DMA_COHERENT
  484. select NR_CPUS_DEFAULT_2
  485. select SIBYTE_SB1250
  486. select SWAP_IO_SPACE
  487. select SYS_HAS_CPU_SB1
  488. select SYS_SUPPORTS_BIG_ENDIAN
  489. select SYS_SUPPORTS_HIGHMEM
  490. select SYS_SUPPORTS_KGDB
  491. select SYS_SUPPORTS_LITTLE_ENDIAN
  492. select ZONE_DMA32 if 64BIT
  493. config SIBYTE_LITTLESUR
  494. bool "Sibyte BCM91250C2-LittleSur"
  495. depends on EXPERIMENTAL
  496. select BOOT_ELF32
  497. select DMA_COHERENT
  498. select NR_CPUS_DEFAULT_2
  499. select SIBYTE_SB1250
  500. select SWAP_IO_SPACE
  501. select SYS_HAS_CPU_SB1
  502. select SYS_SUPPORTS_BIG_ENDIAN
  503. select SYS_SUPPORTS_HIGHMEM
  504. select SYS_SUPPORTS_LITTLE_ENDIAN
  505. config SIBYTE_SENTOSA
  506. bool "Sibyte BCM91250E-Sentosa"
  507. depends on EXPERIMENTAL
  508. select BOOT_ELF32
  509. select DMA_COHERENT
  510. select NR_CPUS_DEFAULT_2
  511. select SIBYTE_SB1250
  512. select SWAP_IO_SPACE
  513. select SYS_HAS_CPU_SB1
  514. select SYS_SUPPORTS_BIG_ENDIAN
  515. select SYS_SUPPORTS_LITTLE_ENDIAN
  516. config SIBYTE_BIGSUR
  517. bool "Sibyte BCM91480B-BigSur"
  518. select BOOT_ELF32
  519. select DMA_COHERENT
  520. select NR_CPUS_DEFAULT_4
  521. select SIBYTE_BCM1x80
  522. select SWAP_IO_SPACE
  523. select SYS_HAS_CPU_SB1
  524. select SYS_SUPPORTS_BIG_ENDIAN
  525. select SYS_SUPPORTS_HIGHMEM
  526. select SYS_SUPPORTS_LITTLE_ENDIAN
  527. select ZONE_DMA32 if 64BIT
  528. config SNI_RM
  529. bool "SNI RM200/300/400"
  530. select ARC if CPU_LITTLE_ENDIAN
  531. select ARC32 if CPU_LITTLE_ENDIAN
  532. select SNIPROM if CPU_BIG_ENDIAN
  533. select ARCH_MAY_HAVE_PC_FDC
  534. select BOOT_ELF32
  535. select CEVT_R4K
  536. select CSRC_R4K
  537. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  538. select DMA_NONCOHERENT
  539. select GENERIC_ISA_DMA
  540. select HW_HAS_EISA
  541. select HW_HAS_PCI
  542. select IRQ_CPU
  543. select I8253
  544. select I8259
  545. select ISA
  546. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  547. select SYS_HAS_CPU_R4X00
  548. select SYS_HAS_CPU_R5000
  549. select SYS_HAS_CPU_R10000
  550. select R5000_CPU_SCACHE
  551. select SYS_HAS_EARLY_PRINTK
  552. select SYS_SUPPORTS_32BIT_KERNEL
  553. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  554. select SYS_SUPPORTS_BIG_ENDIAN
  555. select SYS_SUPPORTS_HIGHMEM
  556. select SYS_SUPPORTS_LITTLE_ENDIAN
  557. help
  558. The SNI RM200/300/400 are MIPS-based machines manufactured by
  559. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  560. Technology and now in turn merged with Fujitsu. Say Y here to
  561. support this machine type.
  562. config TOSHIBA_JMR3927
  563. bool "Toshiba JMR-TX3927 board"
  564. select CEVT_TXX9
  565. select DMA_NONCOHERENT
  566. select HW_HAS_PCI
  567. select MIPS_TX3927
  568. select IRQ_TXX9
  569. select SWAP_IO_SPACE
  570. select SYS_HAS_CPU_TX39XX
  571. select SYS_SUPPORTS_32BIT_KERNEL
  572. select SYS_SUPPORTS_LITTLE_ENDIAN
  573. select SYS_SUPPORTS_BIG_ENDIAN
  574. select GENERIC_HARDIRQS_NO__DO_IRQ
  575. config TOSHIBA_RBTX4927
  576. bool "Toshiba RBTX49[23]7 board"
  577. select CEVT_R4K
  578. select CSRC_R4K
  579. select CEVT_TXX9
  580. select DMA_NONCOHERENT
  581. select HAS_TXX9_SERIAL
  582. select HW_HAS_PCI
  583. select IRQ_CPU
  584. select IRQ_TXX9
  585. select I8259 if TOSHIBA_FPCIB0
  586. select SWAP_IO_SPACE
  587. select SYS_HAS_CPU_TX49XX
  588. select SYS_SUPPORTS_32BIT_KERNEL
  589. select SYS_SUPPORTS_64BIT_KERNEL
  590. select SYS_SUPPORTS_LITTLE_ENDIAN
  591. select SYS_SUPPORTS_BIG_ENDIAN
  592. select SYS_SUPPORTS_KGDB
  593. select GENERIC_HARDIRQS_NO__DO_IRQ
  594. help
  595. This Toshiba board is based on the TX4927 processor. Say Y here to
  596. support this machine type
  597. config TOSHIBA_RBTX4938
  598. bool "Toshiba RBTX4938 board"
  599. select CEVT_R4K
  600. select CSRC_R4K
  601. select CEVT_TXX9
  602. select DMA_NONCOHERENT
  603. select HAS_TXX9_SERIAL
  604. select HW_HAS_PCI
  605. select IRQ_CPU
  606. select IRQ_TXX9
  607. select SWAP_IO_SPACE
  608. select SYS_HAS_CPU_TX49XX
  609. select SYS_SUPPORTS_32BIT_KERNEL
  610. select SYS_SUPPORTS_LITTLE_ENDIAN
  611. select SYS_SUPPORTS_BIG_ENDIAN
  612. select SYS_SUPPORTS_KGDB
  613. select GENERIC_HARDIRQS_NO__DO_IRQ
  614. select GENERIC_GPIO
  615. help
  616. This Toshiba board is based on the TX4938 processor. Say Y here to
  617. support this machine type
  618. config WR_PPMC
  619. bool "Wind River PPMC board"
  620. select CEVT_R4K
  621. select CSRC_R4K
  622. select IRQ_CPU
  623. select BOOT_ELF32
  624. select DMA_NONCOHERENT
  625. select HW_HAS_PCI
  626. select PCI_GT64XXX_PCI0
  627. select SWAP_IO_SPACE
  628. select SYS_HAS_CPU_MIPS32_R1
  629. select SYS_HAS_CPU_MIPS32_R2
  630. select SYS_HAS_CPU_MIPS64_R1
  631. select SYS_HAS_CPU_NEVADA
  632. select SYS_HAS_CPU_RM7000
  633. select SYS_SUPPORTS_32BIT_KERNEL
  634. select SYS_SUPPORTS_64BIT_KERNEL
  635. select SYS_SUPPORTS_BIG_ENDIAN
  636. select SYS_SUPPORTS_LITTLE_ENDIAN
  637. help
  638. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  639. board, which is based on GT64120 bridge chip.
  640. endchoice
  641. source "arch/mips/au1000/Kconfig"
  642. source "arch/mips/basler/excite/Kconfig"
  643. source "arch/mips/jazz/Kconfig"
  644. source "arch/mips/lasat/Kconfig"
  645. source "arch/mips/pmc-sierra/Kconfig"
  646. source "arch/mips/sgi-ip27/Kconfig"
  647. source "arch/mips/sibyte/Kconfig"
  648. source "arch/mips/tx4927/Kconfig"
  649. source "arch/mips/tx4938/Kconfig"
  650. source "arch/mips/vr41xx/Kconfig"
  651. endmenu
  652. config GENERIC_LOCKBREAK
  653. bool
  654. default y
  655. depends on SMP && PREEMPT
  656. config RWSEM_GENERIC_SPINLOCK
  657. bool
  658. default y
  659. config RWSEM_XCHGADD_ALGORITHM
  660. bool
  661. config ARCH_HAS_ILOG2_U32
  662. bool
  663. default n
  664. config ARCH_HAS_ILOG2_U64
  665. bool
  666. default n
  667. config ARCH_SUPPORTS_OPROFILE
  668. bool
  669. default y if !MIPS_MT_SMTC
  670. config GENERIC_FIND_NEXT_BIT
  671. bool
  672. default y
  673. config GENERIC_HWEIGHT
  674. bool
  675. default y
  676. config GENERIC_CALIBRATE_DELAY
  677. bool
  678. default y
  679. config GENERIC_CLOCKEVENTS
  680. bool
  681. default y
  682. config GENERIC_TIME
  683. bool
  684. default y
  685. config GENERIC_CMOS_UPDATE
  686. bool
  687. default y
  688. config SCHED_NO_NO_OMIT_FRAME_POINTER
  689. bool
  690. default y
  691. config GENERIC_HARDIRQS_NO__DO_IRQ
  692. bool
  693. default n
  694. #
  695. # Select some configuration options automatically based on user selections.
  696. #
  697. config ARC
  698. bool
  699. config ARCH_MAY_HAVE_PC_FDC
  700. bool
  701. config BOOT_RAW
  702. bool
  703. config CEVT_BCM1480
  704. bool
  705. config CEVT_GT641XX
  706. bool
  707. config CEVT_R4K
  708. bool
  709. config CEVT_SB1250
  710. bool
  711. config CEVT_TXX9
  712. bool
  713. config CSRC_BCM1480
  714. bool
  715. config CSRC_R4K
  716. bool
  717. config CSRC_SB1250
  718. bool
  719. config CFE
  720. bool
  721. config DMA_COHERENT
  722. bool
  723. config DMA_IP27
  724. bool
  725. config DMA_NONCOHERENT
  726. bool
  727. select DMA_NEED_PCI_MAP_STATE
  728. config DMA_NEED_PCI_MAP_STATE
  729. bool
  730. config EARLY_PRINTK
  731. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  732. depends on SYS_HAS_EARLY_PRINTK
  733. default y
  734. help
  735. This option enables special console drivers which allow the kernel
  736. to print messages very early in the bootup process.
  737. This is useful for kernel debugging when your machine crashes very
  738. early before the console code is initialized. For normal operation,
  739. it is not recommended because it looks ugly on some machines and
  740. doesn't cooperate with an X server. You should normally say N here,
  741. unless you want to debug such a crash.
  742. config SYS_HAS_EARLY_PRINTK
  743. bool
  744. config HOTPLUG_CPU
  745. bool
  746. default n
  747. config I8259
  748. bool
  749. config MIPS_BONITO64
  750. bool
  751. config MIPS_MSC
  752. bool
  753. config MIPS_NILE4
  754. bool
  755. config MIPS_DISABLE_OBSOLETE_IDE
  756. bool
  757. config NO_IOPORT
  758. def_bool n
  759. config GENERIC_ISA_DMA
  760. bool
  761. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  762. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  763. bool
  764. select GENERIC_ISA_DMA
  765. config GENERIC_GPIO
  766. bool
  767. #
  768. # Endianess selection. Sufficiently obscure so many users don't know what to
  769. # answer,so we try hard to limit the available choices. Also the use of a
  770. # choice statement should be more obvious to the user.
  771. #
  772. choice
  773. prompt "Endianess selection"
  774. help
  775. Some MIPS machines can be configured for either little or big endian
  776. byte order. These modes require different kernels and a different
  777. Linux distribution. In general there is one preferred byteorder for a
  778. particular system but some systems are just as commonly used in the
  779. one or the other endianness.
  780. config CPU_BIG_ENDIAN
  781. bool "Big endian"
  782. depends on SYS_SUPPORTS_BIG_ENDIAN
  783. config CPU_LITTLE_ENDIAN
  784. bool "Little endian"
  785. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  786. help
  787. endchoice
  788. config SYS_SUPPORTS_APM_EMULATION
  789. bool
  790. config SYS_SUPPORTS_BIG_ENDIAN
  791. bool
  792. config SYS_SUPPORTS_LITTLE_ENDIAN
  793. bool
  794. config IRQ_CPU
  795. bool
  796. config IRQ_CPU_RM7K
  797. bool
  798. config IRQ_CPU_RM9K
  799. bool
  800. config IRQ_MSP_SLP
  801. bool
  802. config IRQ_MSP_CIC
  803. bool
  804. config IRQ_TXX9
  805. bool
  806. config IRQ_GT641XX
  807. bool
  808. config MIPS_BOARDS_GEN
  809. bool
  810. config PCI_GT64XXX_PCI0
  811. bool
  812. config NO_EXCEPT_FILL
  813. bool
  814. config MIPS_TX3927
  815. bool
  816. select HAS_TXX9_SERIAL
  817. config MIPS_RM9122
  818. bool
  819. select SERIAL_RM9000
  820. config PNX8550
  821. bool
  822. select SOC_PNX8550
  823. config SOC_PNX8550
  824. bool
  825. select DMA_NONCOHERENT
  826. select HW_HAS_PCI
  827. select SYS_HAS_CPU_MIPS32_R1
  828. select SYS_HAS_EARLY_PRINTK
  829. select SYS_SUPPORTS_32BIT_KERNEL
  830. select GENERIC_HARDIRQS_NO__DO_IRQ
  831. select SYS_SUPPORTS_KGDB
  832. select GENERIC_GPIO
  833. config SWAP_IO_SPACE
  834. bool
  835. config EMMA2RH
  836. bool
  837. depends on MARKEINS
  838. default y
  839. config SERIAL_RM9000
  840. bool
  841. config SGI_HAS_DS1286
  842. bool
  843. config SGI_HAS_INDYDOG
  844. bool
  845. config SGI_HAS_SEEQ
  846. bool
  847. config SGI_HAS_WD93
  848. bool
  849. config SGI_HAS_ZILOG
  850. bool
  851. config SGI_HAS_I8042
  852. bool
  853. config DEFAULT_SGI_PARTITION
  854. bool
  855. config ARC32
  856. bool
  857. config SNIPROM
  858. bool
  859. config BOOT_ELF32
  860. bool
  861. config MIPS_L1_CACHE_SHIFT
  862. int
  863. default "4" if MACH_DECSTATION
  864. default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
  865. default "4" if PMC_MSP4200_EVAL
  866. default "5"
  867. config HAVE_STD_PC_SERIAL_PORT
  868. bool
  869. config ARC_CONSOLE
  870. bool "ARC console support"
  871. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  872. config ARC_MEMORY
  873. bool
  874. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  875. default y
  876. config ARC_PROMLIB
  877. bool
  878. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  879. default y
  880. config ARC64
  881. bool
  882. config BOOT_ELF64
  883. bool
  884. menu "CPU selection"
  885. choice
  886. prompt "CPU type"
  887. default CPU_R4X00
  888. config CPU_LOONGSON2
  889. bool "Loongson 2"
  890. depends on SYS_HAS_CPU_LOONGSON2
  891. select CPU_SUPPORTS_32BIT_KERNEL
  892. select CPU_SUPPORTS_64BIT_KERNEL
  893. select CPU_SUPPORTS_HIGHMEM
  894. help
  895. The Loongson 2E processor implements the MIPS III instruction set
  896. with many extensions.
  897. config CPU_MIPS32_R1
  898. bool "MIPS32 Release 1"
  899. depends on SYS_HAS_CPU_MIPS32_R1
  900. select CPU_HAS_LLSC
  901. select CPU_HAS_PREFETCH
  902. select CPU_SUPPORTS_32BIT_KERNEL
  903. select CPU_SUPPORTS_HIGHMEM
  904. help
  905. Choose this option to build a kernel for release 1 or later of the
  906. MIPS32 architecture. Most modern embedded systems with a 32-bit
  907. MIPS processor are based on a MIPS32 processor. If you know the
  908. specific type of processor in your system, choose those that one
  909. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  910. Release 2 of the MIPS32 architecture is available since several
  911. years so chances are you even have a MIPS32 Release 2 processor
  912. in which case you should choose CPU_MIPS32_R2 instead for better
  913. performance.
  914. config CPU_MIPS32_R2
  915. bool "MIPS32 Release 2"
  916. depends on SYS_HAS_CPU_MIPS32_R2
  917. select CPU_HAS_LLSC
  918. select CPU_HAS_PREFETCH
  919. select CPU_SUPPORTS_32BIT_KERNEL
  920. select CPU_SUPPORTS_HIGHMEM
  921. help
  922. Choose this option to build a kernel for release 2 or later of the
  923. MIPS32 architecture. Most modern embedded systems with a 32-bit
  924. MIPS processor are based on a MIPS32 processor. If you know the
  925. specific type of processor in your system, choose those that one
  926. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  927. config CPU_MIPS64_R1
  928. bool "MIPS64 Release 1"
  929. depends on SYS_HAS_CPU_MIPS64_R1
  930. select CPU_HAS_LLSC
  931. select CPU_HAS_PREFETCH
  932. select CPU_SUPPORTS_32BIT_KERNEL
  933. select CPU_SUPPORTS_64BIT_KERNEL
  934. select CPU_SUPPORTS_HIGHMEM
  935. help
  936. Choose this option to build a kernel for release 1 or later of the
  937. MIPS64 architecture. Many modern embedded systems with a 64-bit
  938. MIPS processor are based on a MIPS64 processor. If you know the
  939. specific type of processor in your system, choose those that one
  940. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  941. Release 2 of the MIPS64 architecture is available since several
  942. years so chances are you even have a MIPS64 Release 2 processor
  943. in which case you should choose CPU_MIPS64_R2 instead for better
  944. performance.
  945. config CPU_MIPS64_R2
  946. bool "MIPS64 Release 2"
  947. depends on SYS_HAS_CPU_MIPS64_R2
  948. select CPU_HAS_LLSC
  949. select CPU_HAS_PREFETCH
  950. select CPU_SUPPORTS_32BIT_KERNEL
  951. select CPU_SUPPORTS_64BIT_KERNEL
  952. select CPU_SUPPORTS_HIGHMEM
  953. help
  954. Choose this option to build a kernel for release 2 or later of the
  955. MIPS64 architecture. Many modern embedded systems with a 64-bit
  956. MIPS processor are based on a MIPS64 processor. If you know the
  957. specific type of processor in your system, choose those that one
  958. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  959. config CPU_R3000
  960. bool "R3000"
  961. depends on SYS_HAS_CPU_R3000
  962. select CPU_HAS_WB
  963. select CPU_SUPPORTS_32BIT_KERNEL
  964. select CPU_SUPPORTS_HIGHMEM
  965. help
  966. Please make sure to pick the right CPU type. Linux/MIPS is not
  967. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  968. *not* work on R4000 machines and vice versa. However, since most
  969. of the supported machines have an R4000 (or similar) CPU, R4x00
  970. might be a safe bet. If the resulting kernel does not work,
  971. try to recompile with R3000.
  972. config CPU_TX39XX
  973. bool "R39XX"
  974. depends on SYS_HAS_CPU_TX39XX
  975. select CPU_SUPPORTS_32BIT_KERNEL
  976. config CPU_VR41XX
  977. bool "R41xx"
  978. depends on SYS_HAS_CPU_VR41XX
  979. select CPU_SUPPORTS_32BIT_KERNEL
  980. select CPU_SUPPORTS_64BIT_KERNEL
  981. help
  982. The options selects support for the NEC VR4100 series of processors.
  983. Only choose this option if you have one of these processors as a
  984. kernel built with this option will not run on any other type of
  985. processor or vice versa.
  986. config CPU_R4300
  987. bool "R4300"
  988. depends on SYS_HAS_CPU_R4300
  989. select CPU_HAS_LLSC
  990. select CPU_SUPPORTS_32BIT_KERNEL
  991. select CPU_SUPPORTS_64BIT_KERNEL
  992. help
  993. MIPS Technologies R4300-series processors.
  994. config CPU_R4X00
  995. bool "R4x00"
  996. depends on SYS_HAS_CPU_R4X00
  997. select CPU_HAS_LLSC
  998. select CPU_SUPPORTS_32BIT_KERNEL
  999. select CPU_SUPPORTS_64BIT_KERNEL
  1000. help
  1001. MIPS Technologies R4000-series processors other than 4300, including
  1002. the R4000, R4400, R4600, and 4700.
  1003. config CPU_TX49XX
  1004. bool "R49XX"
  1005. depends on SYS_HAS_CPU_TX49XX
  1006. select CPU_HAS_LLSC
  1007. select CPU_HAS_PREFETCH
  1008. select CPU_SUPPORTS_32BIT_KERNEL
  1009. select CPU_SUPPORTS_64BIT_KERNEL
  1010. config CPU_R5000
  1011. bool "R5000"
  1012. depends on SYS_HAS_CPU_R5000
  1013. select CPU_HAS_LLSC
  1014. select CPU_SUPPORTS_32BIT_KERNEL
  1015. select CPU_SUPPORTS_64BIT_KERNEL
  1016. help
  1017. MIPS Technologies R5000-series processors other than the Nevada.
  1018. config CPU_R5432
  1019. bool "R5432"
  1020. depends on SYS_HAS_CPU_R5432
  1021. select CPU_HAS_LLSC
  1022. select CPU_SUPPORTS_32BIT_KERNEL
  1023. select CPU_SUPPORTS_64BIT_KERNEL
  1024. config CPU_R6000
  1025. bool "R6000"
  1026. depends on EXPERIMENTAL
  1027. select CPU_HAS_LLSC
  1028. depends on SYS_HAS_CPU_R6000
  1029. select CPU_SUPPORTS_32BIT_KERNEL
  1030. help
  1031. MIPS Technologies R6000 and R6000A series processors. Note these
  1032. processors are extremely rare and the support for them is incomplete.
  1033. config CPU_NEVADA
  1034. bool "RM52xx"
  1035. depends on SYS_HAS_CPU_NEVADA
  1036. select CPU_HAS_LLSC
  1037. select CPU_SUPPORTS_32BIT_KERNEL
  1038. select CPU_SUPPORTS_64BIT_KERNEL
  1039. help
  1040. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1041. config CPU_R8000
  1042. bool "R8000"
  1043. depends on EXPERIMENTAL
  1044. depends on SYS_HAS_CPU_R8000
  1045. select CPU_HAS_LLSC
  1046. select CPU_HAS_PREFETCH
  1047. select CPU_SUPPORTS_64BIT_KERNEL
  1048. help
  1049. MIPS Technologies R8000 processors. Note these processors are
  1050. uncommon and the support for them is incomplete.
  1051. config CPU_R10000
  1052. bool "R10000"
  1053. depends on SYS_HAS_CPU_R10000
  1054. select CPU_HAS_LLSC
  1055. select CPU_HAS_PREFETCH
  1056. select CPU_SUPPORTS_32BIT_KERNEL
  1057. select CPU_SUPPORTS_64BIT_KERNEL
  1058. select CPU_SUPPORTS_HIGHMEM
  1059. help
  1060. MIPS Technologies R10000-series processors.
  1061. config CPU_RM7000
  1062. bool "RM7000"
  1063. depends on SYS_HAS_CPU_RM7000
  1064. select CPU_HAS_LLSC
  1065. select CPU_HAS_PREFETCH
  1066. select CPU_SUPPORTS_32BIT_KERNEL
  1067. select CPU_SUPPORTS_64BIT_KERNEL
  1068. select CPU_SUPPORTS_HIGHMEM
  1069. config CPU_RM9000
  1070. bool "RM9000"
  1071. depends on SYS_HAS_CPU_RM9000
  1072. select CPU_HAS_LLSC
  1073. select CPU_HAS_PREFETCH
  1074. select CPU_SUPPORTS_32BIT_KERNEL
  1075. select CPU_SUPPORTS_64BIT_KERNEL
  1076. select CPU_SUPPORTS_HIGHMEM
  1077. select WEAK_ORDERING
  1078. config CPU_SB1
  1079. bool "SB1"
  1080. depends on SYS_HAS_CPU_SB1
  1081. select CPU_HAS_LLSC
  1082. select CPU_SUPPORTS_32BIT_KERNEL
  1083. select CPU_SUPPORTS_64BIT_KERNEL
  1084. select CPU_SUPPORTS_HIGHMEM
  1085. select WEAK_ORDERING
  1086. endchoice
  1087. config SYS_HAS_CPU_LOONGSON2
  1088. bool
  1089. config SYS_HAS_CPU_MIPS32_R1
  1090. bool
  1091. config SYS_HAS_CPU_MIPS32_R2
  1092. bool
  1093. config SYS_HAS_CPU_MIPS64_R1
  1094. bool
  1095. config SYS_HAS_CPU_MIPS64_R2
  1096. bool
  1097. config SYS_HAS_CPU_R3000
  1098. bool
  1099. config SYS_HAS_CPU_TX39XX
  1100. bool
  1101. config SYS_HAS_CPU_VR41XX
  1102. bool
  1103. config SYS_HAS_CPU_R4300
  1104. bool
  1105. config SYS_HAS_CPU_R4X00
  1106. bool
  1107. config SYS_HAS_CPU_TX49XX
  1108. bool
  1109. config SYS_HAS_CPU_R5000
  1110. bool
  1111. config SYS_HAS_CPU_R5432
  1112. bool
  1113. config SYS_HAS_CPU_R6000
  1114. bool
  1115. config SYS_HAS_CPU_NEVADA
  1116. bool
  1117. config SYS_HAS_CPU_R8000
  1118. bool
  1119. config SYS_HAS_CPU_R10000
  1120. bool
  1121. config SYS_HAS_CPU_RM7000
  1122. bool
  1123. config SYS_HAS_CPU_RM9000
  1124. bool
  1125. config SYS_HAS_CPU_SB1
  1126. bool
  1127. #
  1128. # CPU may reorder R->R, R->W, W->R, W->W
  1129. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1130. #
  1131. config WEAK_ORDERING
  1132. bool
  1133. #
  1134. # CPU may reorder reads and writes beyond LL/SC
  1135. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1136. #
  1137. config WEAK_REORDERING_BEYOND_LLSC
  1138. bool
  1139. endmenu
  1140. #
  1141. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1142. #
  1143. config CPU_MIPS32
  1144. bool
  1145. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1146. config CPU_MIPS64
  1147. bool
  1148. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1149. #
  1150. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1151. #
  1152. config CPU_MIPSR1
  1153. bool
  1154. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1155. config CPU_MIPSR2
  1156. bool
  1157. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1158. config SYS_SUPPORTS_32BIT_KERNEL
  1159. bool
  1160. config SYS_SUPPORTS_64BIT_KERNEL
  1161. bool
  1162. config CPU_SUPPORTS_32BIT_KERNEL
  1163. bool
  1164. config CPU_SUPPORTS_64BIT_KERNEL
  1165. bool
  1166. menu "Kernel type"
  1167. choice
  1168. prompt "Kernel code model"
  1169. help
  1170. You should only select this option if you have a workload that
  1171. actually benefits from 64-bit processing or if your machine has
  1172. large memory. You will only be presented a single option in this
  1173. menu if your system does not support both 32-bit and 64-bit kernels.
  1174. config 32BIT
  1175. bool "32-bit kernel"
  1176. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1177. select TRAD_SIGNALS
  1178. help
  1179. Select this option if you want to build a 32-bit kernel.
  1180. config 64BIT
  1181. bool "64-bit kernel"
  1182. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1183. help
  1184. Select this option if you want to build a 64-bit kernel.
  1185. endchoice
  1186. choice
  1187. prompt "Kernel page size"
  1188. default PAGE_SIZE_4KB
  1189. config PAGE_SIZE_4KB
  1190. bool "4kB"
  1191. help
  1192. This option select the standard 4kB Linux page size. On some
  1193. R3000-family processors this is the only available page size. Using
  1194. 4kB page size will minimize memory consumption and is therefore
  1195. recommended for low memory systems.
  1196. config PAGE_SIZE_8KB
  1197. bool "8kB"
  1198. depends on EXPERIMENTAL && CPU_R8000
  1199. help
  1200. Using 8kB page size will result in higher performance kernel at
  1201. the price of higher memory consumption. This option is available
  1202. only on the R8000 processor. Not that at the time of this writing
  1203. this option is still high experimental; there are also issues with
  1204. compatibility of user applications.
  1205. config PAGE_SIZE_16KB
  1206. bool "16kB"
  1207. depends on !CPU_R3000 && !CPU_TX39XX
  1208. help
  1209. Using 16kB page size will result in higher performance kernel at
  1210. the price of higher memory consumption. This option is available on
  1211. all non-R3000 family processors. Note that you will need a suitable
  1212. Linux distribution to support this.
  1213. config PAGE_SIZE_64KB
  1214. bool "64kB"
  1215. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1216. help
  1217. Using 64kB page size will result in higher performance kernel at
  1218. the price of higher memory consumption. This option is available on
  1219. all non-R3000 family processor. Not that at the time of this
  1220. writing this option is still high experimental.
  1221. endchoice
  1222. config BOARD_SCACHE
  1223. bool
  1224. config IP22_CPU_SCACHE
  1225. bool
  1226. select BOARD_SCACHE
  1227. #
  1228. # Support for a MIPS32 / MIPS64 style S-caches
  1229. #
  1230. config MIPS_CPU_SCACHE
  1231. bool
  1232. select BOARD_SCACHE
  1233. config R5000_CPU_SCACHE
  1234. bool
  1235. select BOARD_SCACHE
  1236. config RM7000_CPU_SCACHE
  1237. bool
  1238. select BOARD_SCACHE
  1239. config SIBYTE_DMA_PAGEOPS
  1240. bool "Use DMA to clear/copy pages"
  1241. depends on CPU_SB1
  1242. help
  1243. Instead of using the CPU to zero and copy pages, use a Data Mover
  1244. channel. These DMA channels are otherwise unused by the standard
  1245. SiByte Linux port. Seems to give a small performance benefit.
  1246. config CPU_HAS_PREFETCH
  1247. bool
  1248. choice
  1249. prompt "MIPS MT options"
  1250. config MIPS_MT_DISABLED
  1251. bool "Disable multithreading support."
  1252. help
  1253. Use this option if your workload can't take advantage of
  1254. MIPS hardware multithreading support. On systems that don't have
  1255. the option of an MT-enabled processor this option will be the only
  1256. option in this menu.
  1257. config MIPS_MT_SMP
  1258. bool "Use 1 TC on each available VPE for SMP"
  1259. depends on SYS_SUPPORTS_MULTITHREADING
  1260. select CPU_MIPSR2_IRQ_VI
  1261. select CPU_MIPSR2_IRQ_EI
  1262. select MIPS_MT
  1263. select NR_CPUS_DEFAULT_2
  1264. select SMP
  1265. select SYS_SUPPORTS_SCHED_SMT if SMP
  1266. select SYS_SUPPORTS_SMP
  1267. select SMP_UP
  1268. help
  1269. This is a kernel model which is also known a VSMP or lately
  1270. has been marketesed into SMVP.
  1271. config MIPS_MT_SMTC
  1272. bool "SMTC: Use all TCs on all VPEs for SMP"
  1273. depends on CPU_MIPS32_R2
  1274. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1275. depends on SYS_SUPPORTS_MULTITHREADING
  1276. select GENERIC_CLOCKEVENTS_BROADCAST
  1277. select CPU_MIPSR2_IRQ_VI
  1278. select CPU_MIPSR2_IRQ_EI
  1279. select MIPS_MT
  1280. select NR_CPUS_DEFAULT_8
  1281. select SMP
  1282. select SYS_SUPPORTS_SMP
  1283. select SMP_UP
  1284. help
  1285. This is a kernel model which is known a SMTC or lately has been
  1286. marketesed into SMVP.
  1287. endchoice
  1288. config MIPS_MT
  1289. bool
  1290. config SCHED_SMT
  1291. bool "SMT (multithreading) scheduler support"
  1292. depends on SYS_SUPPORTS_SCHED_SMT
  1293. default n
  1294. help
  1295. SMT scheduler support improves the CPU scheduler's decision making
  1296. when dealing with MIPS MT enabled cores at a cost of slightly
  1297. increased overhead in some places. If unsure say N here.
  1298. config SYS_SUPPORTS_SCHED_SMT
  1299. bool
  1300. config SYS_SUPPORTS_MULTITHREADING
  1301. bool
  1302. config MIPS_MT_FPAFF
  1303. bool "Dynamic FPU affinity for FP-intensive threads"
  1304. default y
  1305. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1306. config MIPS_VPE_LOADER
  1307. bool "VPE loader support."
  1308. depends on SYS_SUPPORTS_MULTITHREADING
  1309. select CPU_MIPSR2_IRQ_VI
  1310. select CPU_MIPSR2_IRQ_EI
  1311. select MIPS_MT
  1312. help
  1313. Includes a loader for loading an elf relocatable object
  1314. onto another VPE and running it.
  1315. config MIPS_MT_SMTC_INSTANT_REPLAY
  1316. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1317. depends on MIPS_MT_SMTC && !PREEMPT
  1318. default y
  1319. help
  1320. SMTC pseudo-interrupts between TCs are deferred and queued
  1321. if the target TC is interrupt-inhibited (IXMT). In the first
  1322. SMTC prototypes, these queued IPIs were serviced on return
  1323. to user mode, or on entry into the kernel idle loop. The
  1324. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1325. processing, which adds runtime overhead (hence the option to turn
  1326. it off), but ensures that IPIs are handled promptly even under
  1327. heavy I/O interrupt load.
  1328. config MIPS_MT_SMTC_IM_BACKSTOP
  1329. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1330. depends on MIPS_MT_SMTC
  1331. default y
  1332. help
  1333. To support multiple TC microthreads acting as "CPUs" within
  1334. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1335. during interrupt handling. To support legacy drivers and interrupt
  1336. controller management code, SMTC has a "backstop" to track and
  1337. if necessary restore the interrupt mask. This has some performance
  1338. impact on interrupt service overhead. Disable it only if you know
  1339. what you are doing.
  1340. config MIPS_MT_SMTC_IRQAFF
  1341. bool "Support IRQ affinity API"
  1342. depends on MIPS_MT_SMTC
  1343. default n
  1344. help
  1345. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1346. for SMTC Linux kernel. Requires platform support, of which
  1347. an example can be found in the MIPS kernel i8259 and Malta
  1348. platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
  1349. be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
  1350. interrupt dispatch, and should be used only if you know what
  1351. you are doing.
  1352. config MIPS_VPE_LOADER_TOM
  1353. bool "Load VPE program into memory hidden from linux"
  1354. depends on MIPS_VPE_LOADER
  1355. default y
  1356. help
  1357. The loader can use memory that is present but has been hidden from
  1358. Linux using the kernel command line option "mem=xxMB". It's up to
  1359. you to ensure the amount you put in the option and the space your
  1360. program requires is less or equal to the amount physically present.
  1361. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1362. config MIPS_VPE_APSP_API
  1363. bool "Enable support for AP/SP API (RTLX)"
  1364. depends on MIPS_VPE_LOADER
  1365. help
  1366. config MIPS_APSP_KSPD
  1367. bool "Enable KSPD"
  1368. depends on MIPS_VPE_APSP_API
  1369. default y
  1370. help
  1371. KSPD is a kernel daemon that accepts syscall requests from the SP
  1372. side, actions them and returns the results. It also handles the
  1373. "exit" syscall notifying other kernel modules the SP program is
  1374. exiting. You probably want to say yes here.
  1375. config SB1_PASS_1_WORKAROUNDS
  1376. bool
  1377. depends on CPU_SB1_PASS_1
  1378. default y
  1379. config SB1_PASS_2_WORKAROUNDS
  1380. bool
  1381. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1382. default y
  1383. config SB1_PASS_2_1_WORKAROUNDS
  1384. bool
  1385. depends on CPU_SB1 && CPU_SB1_PASS_2
  1386. default y
  1387. config 64BIT_PHYS_ADDR
  1388. bool
  1389. config CPU_HAS_LLSC
  1390. bool
  1391. config CPU_HAS_SMARTMIPS
  1392. depends on SYS_SUPPORTS_SMARTMIPS
  1393. bool "Support for the SmartMIPS ASE"
  1394. help
  1395. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1396. increased security at both hardware and software level for
  1397. smartcards. Enabling this option will allow proper use of the
  1398. SmartMIPS instructions by Linux applications. However a kernel with
  1399. this option will not work on a MIPS core without SmartMIPS core. If
  1400. you don't know you probably don't have SmartMIPS and should say N
  1401. here.
  1402. config CPU_HAS_WB
  1403. bool
  1404. #
  1405. # Vectored interrupt mode is an R2 feature
  1406. #
  1407. config CPU_MIPSR2_IRQ_VI
  1408. bool
  1409. #
  1410. # Extended interrupt mode is an R2 feature
  1411. #
  1412. config CPU_MIPSR2_IRQ_EI
  1413. bool
  1414. config CPU_HAS_SYNC
  1415. bool
  1416. depends on !CPU_R3000
  1417. default y
  1418. config GENERIC_CLOCKEVENTS_BROADCAST
  1419. bool
  1420. #
  1421. # CPU non-features
  1422. #
  1423. config CPU_DADDI_WORKAROUNDS
  1424. bool
  1425. config CPU_R4000_WORKAROUNDS
  1426. bool
  1427. select CPU_R4400_WORKAROUNDS
  1428. config CPU_R4400_WORKAROUNDS
  1429. bool
  1430. #
  1431. # Use the generic interrupt handling code in kernel/irq/:
  1432. #
  1433. config GENERIC_HARDIRQS
  1434. bool
  1435. default y
  1436. config GENERIC_IRQ_PROBE
  1437. bool
  1438. default y
  1439. config IRQ_PER_CPU
  1440. bool
  1441. #
  1442. # - Highmem only makes sense for the 32-bit kernel.
  1443. # - The current highmem code will only work properly on physically indexed
  1444. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1445. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1446. # moment we protect the user and offer the highmem option only on machines
  1447. # where it's known to be safe. This will not offer highmem on a few systems
  1448. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1449. # indexed CPUs but we're playing safe.
  1450. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1451. # know they might have memory configurations that could make use of highmem
  1452. # support.
  1453. #
  1454. config HIGHMEM
  1455. bool "High Memory Support"
  1456. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1457. config CPU_SUPPORTS_HIGHMEM
  1458. bool
  1459. config SYS_SUPPORTS_HIGHMEM
  1460. bool
  1461. config SYS_SUPPORTS_SMARTMIPS
  1462. bool
  1463. config ARCH_FLATMEM_ENABLE
  1464. def_bool y
  1465. depends on !NUMA
  1466. config ARCH_DISCONTIGMEM_ENABLE
  1467. bool
  1468. default y if SGI_IP27
  1469. help
  1470. Say Y to support efficient handling of discontiguous physical memory,
  1471. for architectures which are either NUMA (Non-Uniform Memory Access)
  1472. or have huge holes in the physical address space for other reasons.
  1473. See <file:Documentation/vm/numa> for more.
  1474. config ARCH_POPULATES_NODE_MAP
  1475. def_bool y
  1476. config ARCH_SPARSEMEM_ENABLE
  1477. bool
  1478. select SPARSEMEM_STATIC
  1479. config NUMA
  1480. bool "NUMA Support"
  1481. depends on SYS_SUPPORTS_NUMA
  1482. help
  1483. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1484. Access). This option improves performance on systems with more
  1485. than two nodes; on two node systems it is generally better to
  1486. leave it disabled; on single node systems disable this option
  1487. disabled.
  1488. config SYS_SUPPORTS_NUMA
  1489. bool
  1490. config NODES_SHIFT
  1491. int
  1492. default "6"
  1493. depends on NEED_MULTIPLE_NODES
  1494. source "mm/Kconfig"
  1495. config SMP
  1496. bool "Multi-Processing support"
  1497. depends on SYS_SUPPORTS_SMP
  1498. select IRQ_PER_CPU
  1499. help
  1500. This enables support for systems with more than one CPU. If you have
  1501. a system with only one CPU, like most personal computers, say N. If
  1502. you have a system with more than one CPU, say Y.
  1503. If you say N here, the kernel will run on single and multiprocessor
  1504. machines, but will use only one CPU of a multiprocessor machine. If
  1505. you say Y here, the kernel will run on many, but not all,
  1506. singleprocessor machines. On a singleprocessor machine, the kernel
  1507. will run faster if you say N here.
  1508. People using multiprocessor machines who say Y here should also say
  1509. Y to "Enhanced Real Time Clock Support", below.
  1510. See also the SMP-HOWTO available at
  1511. <http://www.tldp.org/docs.html#howto>.
  1512. If you don't know what to do here, say N.
  1513. config SMP_UP
  1514. bool
  1515. config SYS_SUPPORTS_SMP
  1516. bool
  1517. config NR_CPUS_DEFAULT_1
  1518. bool
  1519. config NR_CPUS_DEFAULT_2
  1520. bool
  1521. config NR_CPUS_DEFAULT_4
  1522. bool
  1523. config NR_CPUS_DEFAULT_8
  1524. bool
  1525. config NR_CPUS_DEFAULT_16
  1526. bool
  1527. config NR_CPUS_DEFAULT_32
  1528. bool
  1529. config NR_CPUS_DEFAULT_64
  1530. bool
  1531. config NR_CPUS
  1532. int "Maximum number of CPUs (2-64)"
  1533. range 1 64 if NR_CPUS_DEFAULT_1
  1534. depends on SMP
  1535. default "1" if NR_CPUS_DEFAULT_1
  1536. default "2" if NR_CPUS_DEFAULT_2
  1537. default "4" if NR_CPUS_DEFAULT_4
  1538. default "8" if NR_CPUS_DEFAULT_8
  1539. default "16" if NR_CPUS_DEFAULT_16
  1540. default "32" if NR_CPUS_DEFAULT_32
  1541. default "64" if NR_CPUS_DEFAULT_64
  1542. help
  1543. This allows you to specify the maximum number of CPUs which this
  1544. kernel will support. The maximum supported value is 32 for 32-bit
  1545. kernel and 64 for 64-bit kernels; the minimum value which makes
  1546. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1547. and 2 for all others.
  1548. This is purely to save memory - each supported CPU adds
  1549. approximately eight kilobytes to the kernel image. For best
  1550. performance should round up your number of processors to the next
  1551. power of two.
  1552. source "kernel/time/Kconfig"
  1553. #
  1554. # Timer Interrupt Frequency Configuration
  1555. #
  1556. choice
  1557. prompt "Timer frequency"
  1558. default HZ_250
  1559. help
  1560. Allows the configuration of the timer frequency.
  1561. config HZ_48
  1562. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1563. config HZ_100
  1564. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1565. config HZ_128
  1566. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1567. config HZ_250
  1568. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1569. config HZ_256
  1570. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1571. config HZ_1000
  1572. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1573. config HZ_1024
  1574. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1575. endchoice
  1576. config SYS_SUPPORTS_48HZ
  1577. bool
  1578. config SYS_SUPPORTS_100HZ
  1579. bool
  1580. config SYS_SUPPORTS_128HZ
  1581. bool
  1582. config SYS_SUPPORTS_250HZ
  1583. bool
  1584. config SYS_SUPPORTS_256HZ
  1585. bool
  1586. config SYS_SUPPORTS_1000HZ
  1587. bool
  1588. config SYS_SUPPORTS_1024HZ
  1589. bool
  1590. config SYS_SUPPORTS_ARBIT_HZ
  1591. bool
  1592. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1593. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1594. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1595. !SYS_SUPPORTS_1024HZ
  1596. config HZ
  1597. int
  1598. default 48 if HZ_48
  1599. default 100 if HZ_100
  1600. default 128 if HZ_128
  1601. default 250 if HZ_250
  1602. default 256 if HZ_256
  1603. default 1000 if HZ_1000
  1604. default 1024 if HZ_1024
  1605. source "kernel/Kconfig.preempt"
  1606. config MIPS_INSANE_LARGE
  1607. bool "Support for large 64-bit configurations"
  1608. depends on CPU_R10000 && 64BIT
  1609. help
  1610. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1611. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1612. need processes of more than 1TB virtual address space, say Y here.
  1613. This will result in additional memory usage, so it is not
  1614. recommended for normal users.
  1615. config KEXEC
  1616. bool "Kexec system call (EXPERIMENTAL)"
  1617. depends on EXPERIMENTAL
  1618. help
  1619. kexec is a system call that implements the ability to shutdown your
  1620. current kernel, and to start another kernel. It is like a reboot
  1621. but it is independent of the system firmware. And like a reboot
  1622. you can start any kernel with it, not just Linux.
  1623. The name comes from the similarity to the exec system call.
  1624. It is an ongoing process to be certain the hardware in a machine
  1625. is properly shutdown, so do not be surprised if this code does not
  1626. initially work for you. It may help to enable device hotplugging
  1627. support. As of this writing the exact hardware interface is
  1628. strongly in flux, so no good recommendation can be made.
  1629. config SECCOMP
  1630. bool "Enable seccomp to safely compute untrusted bytecode"
  1631. depends on PROC_FS
  1632. default y
  1633. help
  1634. This kernel feature is useful for number crunching applications
  1635. that may need to compute untrusted bytecode during their
  1636. execution. By using pipes or other transports made available to
  1637. the process as file descriptors supporting the read/write
  1638. syscalls, it's possible to isolate those applications in
  1639. their own address space using seccomp. Once seccomp is
  1640. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1641. and the task is only allowed to execute a few safe syscalls
  1642. defined by each seccomp mode.
  1643. If unsure, say Y. Only embedded should say N here.
  1644. endmenu
  1645. config RWSEM_GENERIC_SPINLOCK
  1646. bool
  1647. default y
  1648. config LOCKDEP_SUPPORT
  1649. bool
  1650. default y
  1651. config STACKTRACE_SUPPORT
  1652. bool
  1653. default y
  1654. source "init/Kconfig"
  1655. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1656. config HW_HAS_EISA
  1657. bool
  1658. config HW_HAS_PCI
  1659. bool
  1660. config PCI
  1661. bool "Support for PCI controller"
  1662. depends on HW_HAS_PCI
  1663. select PCI_DOMAINS
  1664. help
  1665. Find out whether you have a PCI motherboard. PCI is the name of a
  1666. bus system, i.e. the way the CPU talks to the other stuff inside
  1667. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1668. say Y, otherwise N.
  1669. config PCI_DOMAINS
  1670. bool
  1671. source "drivers/pci/Kconfig"
  1672. #
  1673. # ISA support is now enabled via select. Too many systems still have the one
  1674. # or other ISA chip on the board that users don't know about so don't expect
  1675. # users to choose the right thing ...
  1676. #
  1677. config ISA
  1678. bool
  1679. config EISA
  1680. bool "EISA support"
  1681. depends on HW_HAS_EISA
  1682. select ISA
  1683. select GENERIC_ISA_DMA
  1684. ---help---
  1685. The Extended Industry Standard Architecture (EISA) bus was
  1686. developed as an open alternative to the IBM MicroChannel bus.
  1687. The EISA bus provided some of the features of the IBM MicroChannel
  1688. bus while maintaining backward compatibility with cards made for
  1689. the older ISA bus. The EISA bus saw limited use between 1988 and
  1690. 1995 when it was made obsolete by the PCI bus.
  1691. Say Y here if you are building a kernel for an EISA-based machine.
  1692. Otherwise, say N.
  1693. source "drivers/eisa/Kconfig"
  1694. config TC
  1695. bool "TURBOchannel support"
  1696. depends on MACH_DECSTATION
  1697. help
  1698. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1699. processors. Documentation on writing device drivers for TurboChannel
  1700. is available at:
  1701. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1702. #config ACCESSBUS
  1703. # bool "Access.Bus support"
  1704. # depends on TC
  1705. config MMU
  1706. bool
  1707. default y
  1708. config I8253
  1709. bool
  1710. config ZONE_DMA32
  1711. bool
  1712. source "drivers/pcmcia/Kconfig"
  1713. source "drivers/pci/hotplug/Kconfig"
  1714. endmenu
  1715. menu "Executable file formats"
  1716. source "fs/Kconfig.binfmt"
  1717. config TRAD_SIGNALS
  1718. bool
  1719. config BINFMT_IRIX
  1720. bool "Include IRIX binary compatibility"
  1721. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1722. config MIPS32_COMPAT
  1723. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1724. depends on 64BIT
  1725. help
  1726. Select this option if you want Linux/MIPS 32-bit binary
  1727. compatibility. Since all software available for Linux/MIPS is
  1728. currently 32-bit you should say Y here.
  1729. config COMPAT
  1730. bool
  1731. depends on MIPS32_COMPAT
  1732. default y
  1733. config SYSVIPC_COMPAT
  1734. bool
  1735. depends on COMPAT && SYSVIPC
  1736. default y
  1737. config MIPS32_O32
  1738. bool "Kernel support for o32 binaries"
  1739. depends on MIPS32_COMPAT
  1740. help
  1741. Select this option if you want to run o32 binaries. These are pure
  1742. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1743. existing binaries are in this format.
  1744. If unsure, say Y.
  1745. config MIPS32_N32
  1746. bool "Kernel support for n32 binaries"
  1747. depends on MIPS32_COMPAT
  1748. help
  1749. Select this option if you want to run n32 binaries. These are
  1750. 64-bit binaries using 32-bit quantities for addressing and certain
  1751. data that would normally be 64-bit. They are used in special
  1752. cases.
  1753. If unsure, say N.
  1754. config BINFMT_ELF32
  1755. bool
  1756. default y if MIPS32_O32 || MIPS32_N32
  1757. endmenu
  1758. menu "Power management options"
  1759. config ARCH_SUSPEND_POSSIBLE
  1760. def_bool y
  1761. depends on !SMP
  1762. source "kernel/power/Kconfig"
  1763. endmenu
  1764. source "net/Kconfig"
  1765. source "drivers/Kconfig"
  1766. source "fs/Kconfig"
  1767. source "arch/mips/Kconfig.debug"
  1768. source "security/Kconfig"
  1769. source "crypto/Kconfig"
  1770. source "lib/Kconfig"