Kconfig 47 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. mainmenu "Linux/MIPS Kernel Configuration"
  7. menu "Machine selection"
  8. config ZONE_DMA
  9. bool
  10. choice
  11. prompt "System type"
  12. default SGI_IP22
  13. config MACH_ALCHEMY
  14. bool "Alchemy processor based machines"
  15. config BASLER_EXCITE
  16. bool "Basler eXcite smart camera"
  17. select DMA_COHERENT
  18. select HW_HAS_PCI
  19. select IRQ_CPU
  20. select IRQ_CPU_RM7K
  21. select IRQ_CPU_RM9K
  22. select MIPS_RM9122
  23. select SYS_HAS_CPU_RM9000
  24. select SYS_SUPPORTS_32BIT_KERNEL
  25. select SYS_SUPPORTS_BIG_ENDIAN
  26. select SYS_SUPPORTS_KGDB
  27. help
  28. The eXcite is a smart camera platform manufactured by
  29. Basler Vision Technologies AG.
  30. config BASLER_EXCITE_PROTOTYPE
  31. bool "Support for pre-release units"
  32. depends on BASLER_EXCITE
  33. default n
  34. help
  35. Pre-series (prototype) units are different from later ones in
  36. some ways. Select this option if you have one of these. Please
  37. note that a kernel built with this option selected will not be
  38. able to run on normal units.
  39. config MIPS_COBALT
  40. bool "Cobalt Server"
  41. select DMA_NONCOHERENT
  42. select HW_HAS_PCI
  43. select I8259
  44. select IRQ_CPU
  45. select PCI_GT64XXX_PCI0
  46. select SYS_HAS_CPU_NEVADA
  47. select SYS_HAS_EARLY_PRINTK
  48. select SYS_SUPPORTS_32BIT_KERNEL
  49. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  50. select SYS_SUPPORTS_LITTLE_ENDIAN
  51. select GENERIC_HARDIRQS_NO__DO_IRQ
  52. config MACH_DECSTATION
  53. bool "DECstations"
  54. select BOOT_ELF32
  55. select DMA_NONCOHERENT
  56. select NO_IOPORT
  57. select IRQ_CPU
  58. select SYS_HAS_CPU_R3000
  59. select SYS_HAS_CPU_R4X00
  60. select SYS_SUPPORTS_32BIT_KERNEL
  61. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  62. select SYS_SUPPORTS_LITTLE_ENDIAN
  63. select SYS_SUPPORTS_128HZ
  64. select SYS_SUPPORTS_256HZ
  65. select SYS_SUPPORTS_1024HZ
  66. help
  67. This enables support for DEC's MIPS based workstations. For details
  68. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  69. DECstation porting pages on <http://decstation.unix-ag.org/>.
  70. If you have one of the following DECstation Models you definitely
  71. want to choose R4xx0 for the CPU Type:
  72. DECstation 5000/50
  73. DECstation 5000/150
  74. DECstation 5000/260
  75. DECsystem 5900/260
  76. otherwise choose R3000.
  77. config MACH_JAZZ
  78. bool "Jazz family of machines"
  79. select ARC
  80. select ARC32
  81. select ARCH_MAY_HAVE_PC_FDC
  82. select GENERIC_ISA_DMA
  83. select I8259
  84. select ISA
  85. select PCSPEAKER
  86. select SYS_HAS_CPU_R4X00
  87. select SYS_SUPPORTS_32BIT_KERNEL
  88. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  89. select SYS_SUPPORTS_100HZ
  90. select GENERIC_HARDIRQS_NO__DO_IRQ
  91. help
  92. This a family of machines based on the MIPS R4030 chipset which was
  93. used by several vendors to build RISC/os and Windows NT workstations.
  94. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  95. Olivetti M700-10 workstations.
  96. config LASAT
  97. bool "LASAT Networks platforms"
  98. select DMA_NONCOHERENT
  99. select SYS_HAS_EARLY_PRINTK
  100. select HW_HAS_PCI
  101. select PCI_GT64XXX_PCI0
  102. select MIPS_NILE4
  103. select R5000_CPU_SCACHE
  104. select SYS_HAS_CPU_R5000
  105. select SYS_SUPPORTS_32BIT_KERNEL
  106. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  107. select SYS_SUPPORTS_LITTLE_ENDIAN
  108. select GENERIC_HARDIRQS_NO__DO_IRQ
  109. config LEMOTE_FULONG
  110. bool "Lemote Fulong mini-PC"
  111. select ARCH_SPARSEMEM_ENABLE
  112. select SYS_HAS_CPU_LOONGSON2
  113. select DMA_NONCOHERENT
  114. select BOOT_ELF32
  115. select BOARD_SCACHE
  116. select HAVE_STD_PC_SERIAL_PORT
  117. select HW_HAS_PCI
  118. select I8259
  119. select ISA
  120. select IRQ_CPU
  121. select SYS_SUPPORTS_32BIT_KERNEL
  122. select SYS_SUPPORTS_64BIT_KERNEL
  123. select SYS_SUPPORTS_LITTLE_ENDIAN
  124. select SYS_SUPPORTS_HIGHMEM
  125. select SYS_HAS_EARLY_PRINTK
  126. select GENERIC_HARDIRQS_NO__DO_IRQ
  127. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  128. select CPU_HAS_WB
  129. help
  130. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  131. an FPGA northbridge
  132. config MIPS_ATLAS
  133. bool "MIPS Atlas board"
  134. select BOOT_ELF32
  135. select DMA_NONCOHERENT
  136. select SYS_HAS_EARLY_PRINTK
  137. select IRQ_CPU
  138. select HW_HAS_PCI
  139. select MIPS_BOARDS_GEN
  140. select MIPS_BONITO64
  141. select PCI_GT64XXX_PCI0
  142. select MIPS_MSC
  143. select RM7000_CPU_SCACHE
  144. select SWAP_IO_SPACE
  145. select SYS_HAS_CPU_MIPS32_R1
  146. select SYS_HAS_CPU_MIPS32_R2
  147. select SYS_HAS_CPU_MIPS64_R1
  148. select SYS_HAS_CPU_NEVADA
  149. select SYS_HAS_CPU_RM7000
  150. select SYS_SUPPORTS_32BIT_KERNEL
  151. select SYS_SUPPORTS_64BIT_KERNEL
  152. select SYS_SUPPORTS_BIG_ENDIAN
  153. select SYS_SUPPORTS_LITTLE_ENDIAN
  154. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  155. select SYS_SUPPORTS_SMARTMIPS
  156. select GENERIC_HARDIRQS_NO__DO_IRQ
  157. help
  158. This enables support for the MIPS Technologies Atlas evaluation
  159. board.
  160. config MIPS_MALTA
  161. bool "MIPS Malta board"
  162. select ARCH_MAY_HAVE_PC_FDC
  163. select BOOT_ELF32
  164. select DMA_NONCOHERENT
  165. select GENERIC_ISA_DMA
  166. select IRQ_CPU
  167. select HW_HAS_PCI
  168. select I8259
  169. select MIPS_BOARDS_GEN
  170. select MIPS_BONITO64
  171. select MIPS_CPU_SCACHE
  172. select PCI_GT64XXX_PCI0
  173. select MIPS_MSC
  174. select SWAP_IO_SPACE
  175. select SYS_HAS_CPU_MIPS32_R1
  176. select SYS_HAS_CPU_MIPS32_R2
  177. select SYS_HAS_CPU_MIPS64_R1
  178. select SYS_HAS_CPU_NEVADA
  179. select SYS_HAS_CPU_RM7000
  180. select SYS_HAS_EARLY_PRINTK
  181. select SYS_SUPPORTS_32BIT_KERNEL
  182. select SYS_SUPPORTS_64BIT_KERNEL
  183. select SYS_SUPPORTS_BIG_ENDIAN
  184. select SYS_SUPPORTS_LITTLE_ENDIAN
  185. select SYS_SUPPORTS_MULTITHREADING
  186. select SYS_SUPPORTS_SMARTMIPS
  187. help
  188. This enables support for the MIPS Technologies Malta evaluation
  189. board.
  190. config MIPS_SEAD
  191. bool "MIPS SEAD board"
  192. select IRQ_CPU
  193. select DMA_NONCOHERENT
  194. select SYS_HAS_EARLY_PRINTK
  195. select MIPS_BOARDS_GEN
  196. select SYS_HAS_CPU_MIPS32_R1
  197. select SYS_HAS_CPU_MIPS32_R2
  198. select SYS_HAS_CPU_MIPS64_R1
  199. select SYS_SUPPORTS_32BIT_KERNEL
  200. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  201. select SYS_SUPPORTS_BIG_ENDIAN
  202. select SYS_SUPPORTS_LITTLE_ENDIAN
  203. select SYS_SUPPORTS_SMARTMIPS
  204. help
  205. This enables support for the MIPS Technologies SEAD evaluation
  206. board.
  207. config MIPS_SIM
  208. bool 'MIPS simulator (MIPSsim)'
  209. select DMA_NONCOHERENT
  210. select SYS_HAS_EARLY_PRINTK
  211. select IRQ_CPU
  212. select BOOT_RAW
  213. select SYS_HAS_CPU_MIPS32_R1
  214. select SYS_HAS_CPU_MIPS32_R2
  215. select SYS_HAS_EARLY_PRINTK
  216. select SYS_SUPPORTS_32BIT_KERNEL
  217. select SYS_SUPPORTS_BIG_ENDIAN
  218. select SYS_SUPPORTS_MULTITHREADING
  219. select SYS_SUPPORTS_LITTLE_ENDIAN
  220. help
  221. This option enables support for MIPS Technologies MIPSsim software
  222. emulator.
  223. config MARKEINS
  224. bool "NEC EMMA2RH Mark-eins"
  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 SYS_HAS_CPU_VR41XX
  239. select GENERIC_HARDIRQS_NO__DO_IRQ
  240. config PNX8550_JBS
  241. bool "Philips PNX8550 based JBS board"
  242. select PNX8550
  243. select SYS_SUPPORTS_LITTLE_ENDIAN
  244. config PNX8550_STB810
  245. bool "Philips PNX8550 based STB810 board"
  246. select PNX8550
  247. select SYS_SUPPORTS_LITTLE_ENDIAN
  248. config PMC_MSP
  249. bool "PMC-Sierra MSP chipsets"
  250. depends on EXPERIMENTAL
  251. select DMA_NONCOHERENT
  252. select SWAP_IO_SPACE
  253. select NO_EXCEPT_FILL
  254. select BOOT_RAW
  255. select SYS_HAS_CPU_MIPS32_R1
  256. select SYS_HAS_CPU_MIPS32_R2
  257. select SYS_SUPPORTS_32BIT_KERNEL
  258. select SYS_SUPPORTS_BIG_ENDIAN
  259. select SYS_SUPPORTS_KGDB
  260. select IRQ_CPU
  261. select SERIAL_8250
  262. select SERIAL_8250_CONSOLE
  263. help
  264. This adds support for the PMC-Sierra family of Multi-Service
  265. Processor System-On-A-Chips. These parts include a number
  266. of integrated peripherals, interfaces and DSPs in addition to
  267. a variety of MIPS cores.
  268. config PMC_YOSEMITE
  269. bool "PMC-Sierra Yosemite eval board"
  270. select DMA_COHERENT
  271. select HW_HAS_PCI
  272. select IRQ_CPU
  273. select IRQ_CPU_RM7K
  274. select IRQ_CPU_RM9K
  275. select SWAP_IO_SPACE
  276. select SYS_HAS_CPU_RM9000
  277. select SYS_HAS_EARLY_PRINTK
  278. select SYS_SUPPORTS_32BIT_KERNEL
  279. select SYS_SUPPORTS_64BIT_KERNEL
  280. select SYS_SUPPORTS_BIG_ENDIAN
  281. select SYS_SUPPORTS_HIGHMEM
  282. select SYS_SUPPORTS_KGDB
  283. select SYS_SUPPORTS_SMP
  284. help
  285. Yosemite is an evaluation board for the RM9000x2 processor
  286. manufactured by PMC-Sierra.
  287. config QEMU
  288. bool "Qemu"
  289. select DMA_COHERENT
  290. select GENERIC_ISA_DMA
  291. select HAVE_STD_PC_SERIAL_PORT
  292. select I8259
  293. select ISA
  294. select PCSPEAKER
  295. select SWAP_IO_SPACE
  296. select SYS_HAS_CPU_MIPS32_R1
  297. select SYS_SUPPORTS_32BIT_KERNEL
  298. select SYS_SUPPORTS_BIG_ENDIAN
  299. select SYS_SUPPORTS_LITTLE_ENDIAN
  300. select ARCH_SPARSEMEM_ENABLE
  301. select GENERIC_HARDIRQS_NO__DO_IRQ
  302. select NR_CPUS_DEFAULT_1
  303. select SYS_SUPPORTS_SMP
  304. help
  305. Qemu is a software emulator which among other architectures also
  306. can simulate a MIPS32 4Kc system. This patch adds support for the
  307. system architecture that currently is being simulated by Qemu. It
  308. will eventually be removed again when Qemu has the capability to
  309. simulate actual MIPS hardware platforms. More information on Qemu
  310. can be found at http://www.linux-mips.org/wiki/Qemu.
  311. config SGI_IP22
  312. bool "SGI IP22 (Indy/Indigo2)"
  313. select ARC
  314. select ARC32
  315. select BOOT_ELF32
  316. select DMA_NONCOHERENT
  317. select HW_HAS_EISA
  318. select IP22_CPU_SCACHE
  319. select IRQ_CPU
  320. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  321. select SWAP_IO_SPACE
  322. select SYS_HAS_CPU_R4X00
  323. select SYS_HAS_CPU_R5000
  324. select SYS_HAS_EARLY_PRINTK
  325. select SYS_SUPPORTS_32BIT_KERNEL
  326. select SYS_SUPPORTS_64BIT_KERNEL
  327. select SYS_SUPPORTS_BIG_ENDIAN
  328. help
  329. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  330. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  331. that runs on these, say Y here.
  332. config SGI_IP27
  333. bool "SGI IP27 (Origin200/2000)"
  334. select ARC
  335. select ARC64
  336. select BOOT_ELF64
  337. select DMA_IP27
  338. select SYS_HAS_EARLY_PRINTK
  339. select HW_HAS_PCI
  340. select NR_CPUS_DEFAULT_64
  341. select PCI_DOMAINS
  342. select SYS_HAS_CPU_R10000
  343. select SYS_SUPPORTS_64BIT_KERNEL
  344. select SYS_SUPPORTS_BIG_ENDIAN
  345. select SYS_SUPPORTS_KGDB
  346. select SYS_SUPPORTS_NUMA
  347. select SYS_SUPPORTS_SMP
  348. select GENERIC_HARDIRQS_NO__DO_IRQ
  349. help
  350. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  351. workstations. To compile a Linux kernel that runs on these, say Y
  352. here.
  353. config SGI_IP32
  354. bool "SGI IP32 (O2)"
  355. select ARC
  356. select ARC32
  357. select BOOT_ELF32
  358. select DMA_NONCOHERENT
  359. select HW_HAS_PCI
  360. select R5000_CPU_SCACHE
  361. select RM7000_CPU_SCACHE
  362. select SYS_HAS_CPU_R5000
  363. select SYS_HAS_CPU_R10000 if BROKEN
  364. select SYS_HAS_CPU_RM7000
  365. select SYS_HAS_CPU_NEVADA
  366. select SYS_SUPPORTS_64BIT_KERNEL
  367. select SYS_SUPPORTS_BIG_ENDIAN
  368. help
  369. If you want this kernel to run on SGI O2 workstation, say Y here.
  370. config SIBYTE_CRHINE
  371. bool "Sibyte BCM91120C-CRhine"
  372. depends on EXPERIMENTAL
  373. select BOOT_ELF32
  374. select DMA_COHERENT
  375. select SIBYTE_BCM1120
  376. select SWAP_IO_SPACE
  377. select SYS_HAS_CPU_SB1
  378. select SYS_SUPPORTS_BIG_ENDIAN
  379. select SYS_SUPPORTS_LITTLE_ENDIAN
  380. config SIBYTE_CARMEL
  381. bool "Sibyte BCM91120x-Carmel"
  382. depends on EXPERIMENTAL
  383. select BOOT_ELF32
  384. select DMA_COHERENT
  385. select SIBYTE_BCM1120
  386. select SWAP_IO_SPACE
  387. select SYS_HAS_CPU_SB1
  388. select SYS_SUPPORTS_BIG_ENDIAN
  389. select SYS_SUPPORTS_LITTLE_ENDIAN
  390. config SIBYTE_CRHONE
  391. bool "Sibyte BCM91125C-CRhone"
  392. depends on EXPERIMENTAL
  393. select BOOT_ELF32
  394. select DMA_COHERENT
  395. select SIBYTE_BCM1125
  396. select SWAP_IO_SPACE
  397. select SYS_HAS_CPU_SB1
  398. select SYS_SUPPORTS_BIG_ENDIAN
  399. select SYS_SUPPORTS_HIGHMEM
  400. select SYS_SUPPORTS_LITTLE_ENDIAN
  401. config SIBYTE_RHONE
  402. bool "Sibyte BCM91125E-Rhone"
  403. depends on EXPERIMENTAL
  404. select BOOT_ELF32
  405. select DMA_COHERENT
  406. select SIBYTE_BCM1125H
  407. select SWAP_IO_SPACE
  408. select SYS_HAS_CPU_SB1
  409. select SYS_SUPPORTS_BIG_ENDIAN
  410. select SYS_SUPPORTS_LITTLE_ENDIAN
  411. config SIBYTE_SWARM
  412. bool "Sibyte BCM91250A-SWARM"
  413. select BOOT_ELF32
  414. select DMA_COHERENT
  415. select NR_CPUS_DEFAULT_2
  416. select SIBYTE_SB1250
  417. select SWAP_IO_SPACE
  418. select SYS_HAS_CPU_SB1
  419. select SYS_SUPPORTS_BIG_ENDIAN
  420. select SYS_SUPPORTS_HIGHMEM
  421. select SYS_SUPPORTS_KGDB
  422. select SYS_SUPPORTS_LITTLE_ENDIAN
  423. config SIBYTE_LITTLESUR
  424. bool "Sibyte BCM91250C2-LittleSur"
  425. depends on EXPERIMENTAL
  426. select BOOT_ELF32
  427. select DMA_COHERENT
  428. select NR_CPUS_DEFAULT_2
  429. select SIBYTE_SB1250
  430. select SWAP_IO_SPACE
  431. select SYS_HAS_CPU_SB1
  432. select SYS_SUPPORTS_BIG_ENDIAN
  433. select SYS_SUPPORTS_HIGHMEM
  434. select SYS_SUPPORTS_LITTLE_ENDIAN
  435. config SIBYTE_SENTOSA
  436. bool "Sibyte BCM91250E-Sentosa"
  437. depends on EXPERIMENTAL
  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_LITTLE_ENDIAN
  446. config SIBYTE_PTSWARM
  447. bool "Sibyte BCM91250PT-PTSWARM"
  448. depends on EXPERIMENTAL
  449. select BOOT_ELF32
  450. select DMA_COHERENT
  451. select NR_CPUS_DEFAULT_2
  452. select SIBYTE_SB1250
  453. select SWAP_IO_SPACE
  454. select SYS_HAS_CPU_SB1
  455. select SYS_SUPPORTS_BIG_ENDIAN
  456. select SYS_SUPPORTS_HIGHMEM
  457. select SYS_SUPPORTS_LITTLE_ENDIAN
  458. config SIBYTE_BIGSUR
  459. bool "Sibyte BCM91480B-BigSur"
  460. select BOOT_ELF32
  461. select DMA_COHERENT
  462. select NR_CPUS_DEFAULT_4
  463. select PCI_DOMAINS
  464. select SIBYTE_BCM1x80
  465. select SWAP_IO_SPACE
  466. select SYS_HAS_CPU_SB1
  467. select SYS_SUPPORTS_BIG_ENDIAN
  468. select SYS_SUPPORTS_LITTLE_ENDIAN
  469. config SNI_RM
  470. bool "SNI RM200/300/400"
  471. select ARC if CPU_LITTLE_ENDIAN
  472. select ARC32 if CPU_LITTLE_ENDIAN
  473. select ARCH_MAY_HAVE_PC_FDC
  474. select BOOT_ELF32
  475. select DMA_NONCOHERENT
  476. select GENERIC_ISA_DMA
  477. select HW_HAS_EISA
  478. select HW_HAS_PCI
  479. select IRQ_CPU
  480. select I8259
  481. select ISA
  482. select PCSPEAKER
  483. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  484. select SYS_HAS_CPU_R4X00
  485. select SYS_HAS_CPU_R5000
  486. select SYS_HAS_CPU_R10000
  487. select R5000_CPU_SCACHE
  488. select SYS_HAS_EARLY_PRINTK
  489. select SYS_SUPPORTS_32BIT_KERNEL
  490. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  491. select SYS_SUPPORTS_BIG_ENDIAN
  492. select SYS_SUPPORTS_HIGHMEM
  493. select SYS_SUPPORTS_LITTLE_ENDIAN
  494. help
  495. The SNI RM200/300/400 are MIPS-based machines manufactured by
  496. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  497. Technology and now in turn merged with Fujitsu. Say Y here to
  498. support this machine type.
  499. config TOSHIBA_JMR3927
  500. bool "Toshiba JMR-TX3927 board"
  501. select DMA_NONCOHERENT
  502. select HW_HAS_PCI
  503. select MIPS_TX3927
  504. select IRQ_TXX9
  505. select SWAP_IO_SPACE
  506. select SYS_HAS_CPU_TX39XX
  507. select SYS_SUPPORTS_32BIT_KERNEL
  508. select SYS_SUPPORTS_LITTLE_ENDIAN
  509. select SYS_SUPPORTS_BIG_ENDIAN
  510. select GENERIC_HARDIRQS_NO__DO_IRQ
  511. config TOSHIBA_RBTX4927
  512. bool "Toshiba RBTX49[23]7 board"
  513. select DMA_NONCOHERENT
  514. select HAS_TXX9_SERIAL
  515. select HW_HAS_PCI
  516. select IRQ_CPU
  517. select IRQ_TXX9
  518. select I8259 if TOSHIBA_FPCIB0
  519. select SWAP_IO_SPACE
  520. select SYS_HAS_CPU_TX49XX
  521. select SYS_SUPPORTS_32BIT_KERNEL
  522. select SYS_SUPPORTS_64BIT_KERNEL
  523. select SYS_SUPPORTS_LITTLE_ENDIAN
  524. select SYS_SUPPORTS_BIG_ENDIAN
  525. select SYS_SUPPORTS_KGDB
  526. select GENERIC_HARDIRQS_NO__DO_IRQ
  527. help
  528. This Toshiba board is based on the TX4927 processor. Say Y here to
  529. support this machine type
  530. config TOSHIBA_RBTX4938
  531. bool "Toshiba RBTX4938 board"
  532. select DMA_NONCOHERENT
  533. select HAS_TXX9_SERIAL
  534. select HW_HAS_PCI
  535. select IRQ_CPU
  536. select IRQ_TXX9
  537. select SWAP_IO_SPACE
  538. select SYS_HAS_CPU_TX49XX
  539. select SYS_SUPPORTS_32BIT_KERNEL
  540. select SYS_SUPPORTS_LITTLE_ENDIAN
  541. select SYS_SUPPORTS_BIG_ENDIAN
  542. select SYS_SUPPORTS_KGDB
  543. select GENERIC_HARDIRQS_NO__DO_IRQ
  544. select GENERIC_GPIO
  545. help
  546. This Toshiba board is based on the TX4938 processor. Say Y here to
  547. support this machine type
  548. config WR_PPMC
  549. bool "Wind River PPMC board"
  550. select IRQ_CPU
  551. select BOOT_ELF32
  552. select DMA_NONCOHERENT
  553. select HW_HAS_PCI
  554. select PCI_GT64XXX_PCI0
  555. select SWAP_IO_SPACE
  556. select SYS_HAS_CPU_MIPS32_R1
  557. select SYS_HAS_CPU_MIPS32_R2
  558. select SYS_HAS_CPU_MIPS64_R1
  559. select SYS_HAS_CPU_NEVADA
  560. select SYS_HAS_CPU_RM7000
  561. select SYS_SUPPORTS_32BIT_KERNEL
  562. select SYS_SUPPORTS_64BIT_KERNEL
  563. select SYS_SUPPORTS_BIG_ENDIAN
  564. select SYS_SUPPORTS_LITTLE_ENDIAN
  565. help
  566. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  567. board, which is based on GT64120 bridge chip.
  568. endchoice
  569. source "arch/mips/au1000/Kconfig"
  570. source "arch/mips/jazz/Kconfig"
  571. source "arch/mips/lasat/Kconfig"
  572. source "arch/mips/pmc-sierra/Kconfig"
  573. source "arch/mips/sgi-ip27/Kconfig"
  574. source "arch/mips/sibyte/Kconfig"
  575. source "arch/mips/tx4927/Kconfig"
  576. source "arch/mips/tx4938/Kconfig"
  577. source "arch/mips/vr41xx/Kconfig"
  578. endmenu
  579. config RWSEM_GENERIC_SPINLOCK
  580. bool
  581. default y
  582. config RWSEM_XCHGADD_ALGORITHM
  583. bool
  584. config ARCH_HAS_ILOG2_U32
  585. bool
  586. default n
  587. config ARCH_HAS_ILOG2_U64
  588. bool
  589. default n
  590. config GENERIC_FIND_NEXT_BIT
  591. bool
  592. default y
  593. config GENERIC_HWEIGHT
  594. bool
  595. default y
  596. config GENERIC_CALIBRATE_DELAY
  597. bool
  598. default y
  599. config GENERIC_TIME
  600. bool
  601. default y
  602. config SCHED_NO_NO_OMIT_FRAME_POINTER
  603. bool
  604. default y
  605. config GENERIC_HARDIRQS_NO__DO_IRQ
  606. bool
  607. default n
  608. #
  609. # Select some configuration options automatically based on user selections.
  610. #
  611. config ARC
  612. bool
  613. config ARCH_MAY_HAVE_PC_FDC
  614. bool
  615. config BOOT_RAW
  616. bool
  617. config DMA_COHERENT
  618. bool
  619. config DMA_IP27
  620. bool
  621. config DMA_IP32
  622. bool
  623. select DMA_NEED_PCI_MAP_STATE
  624. config DMA_NONCOHERENT
  625. bool
  626. select DMA_NEED_PCI_MAP_STATE
  627. config DMA_NEED_PCI_MAP_STATE
  628. bool
  629. config EARLY_PRINTK
  630. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  631. depends on SYS_HAS_EARLY_PRINTK
  632. default y
  633. help
  634. This option enables special console drivers which allow the kernel
  635. to print messages very early in the bootup process.
  636. This is useful for kernel debugging when your machine crashes very
  637. early before the console code is initialized. For normal operation,
  638. it is not recommended because it looks ugly on some machines and
  639. doesn't cooperate with an X server. You should normally say N here,
  640. unless you want to debug such a crash.
  641. config SYS_HAS_EARLY_PRINTK
  642. bool
  643. config HOTPLUG_CPU
  644. bool
  645. default n
  646. config I8259
  647. bool
  648. config MIPS_BONITO64
  649. bool
  650. config MIPS_MSC
  651. bool
  652. config MIPS_NILE4
  653. bool
  654. config MIPS_DISABLE_OBSOLETE_IDE
  655. bool
  656. config NO_IOPORT
  657. def_bool n
  658. config GENERIC_ISA_DMA
  659. bool
  660. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  661. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  662. bool
  663. select GENERIC_ISA_DMA
  664. config GENERIC_GPIO
  665. bool
  666. #
  667. # Endianess selection. Sufficiently obscure so many users don't know what to
  668. # answer,so we try hard to limit the available choices. Also the use of a
  669. # choice statement should be more obvious to the user.
  670. #
  671. choice
  672. prompt "Endianess selection"
  673. help
  674. Some MIPS machines can be configured for either little or big endian
  675. byte order. These modes require different kernels and a different
  676. Linux distribution. In general there is one preferred byteorder for a
  677. particular system but some systems are just as commonly used in the
  678. one or the other endianness.
  679. config CPU_BIG_ENDIAN
  680. bool "Big endian"
  681. depends on SYS_SUPPORTS_BIG_ENDIAN
  682. config CPU_LITTLE_ENDIAN
  683. bool "Little endian"
  684. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  685. help
  686. endchoice
  687. config SYS_SUPPORTS_APM_EMULATION
  688. bool
  689. config SYS_SUPPORTS_BIG_ENDIAN
  690. bool
  691. config SYS_SUPPORTS_LITTLE_ENDIAN
  692. bool
  693. config IRQ_CPU
  694. bool
  695. config IRQ_CPU_RM7K
  696. bool
  697. config IRQ_CPU_RM9K
  698. bool
  699. config IRQ_MSP_SLP
  700. bool
  701. config IRQ_MSP_CIC
  702. bool
  703. config IRQ_TXX9
  704. bool
  705. config MIPS_BOARDS_GEN
  706. bool
  707. config PCI_GT64XXX_PCI0
  708. bool
  709. config NO_EXCEPT_FILL
  710. bool
  711. config MIPS_TX3927
  712. bool
  713. select HAS_TXX9_SERIAL
  714. config MIPS_RM9122
  715. bool
  716. select SERIAL_RM9000
  717. config PNX8550
  718. bool
  719. select SOC_PNX8550
  720. config SOC_PNX8550
  721. bool
  722. select DMA_NONCOHERENT
  723. select HW_HAS_PCI
  724. select SYS_HAS_CPU_MIPS32_R1
  725. select SYS_HAS_EARLY_PRINTK
  726. select SYS_SUPPORTS_32BIT_KERNEL
  727. select GENERIC_HARDIRQS_NO__DO_IRQ
  728. select SYS_SUPPORTS_KGDB
  729. select GENERIC_GPIO
  730. config SWAP_IO_SPACE
  731. bool
  732. config EMMA2RH
  733. bool
  734. depends on MARKEINS
  735. default y
  736. config SERIAL_RM9000
  737. bool
  738. config ARC32
  739. bool
  740. config BOOT_ELF32
  741. bool
  742. config MIPS_L1_CACHE_SHIFT
  743. int
  744. default "4" if MACH_DECSTATION
  745. default "7" if SGI_IP27 || SNI_RM
  746. default "4" if PMC_MSP4200_EVAL
  747. default "5"
  748. config HAVE_STD_PC_SERIAL_PORT
  749. bool
  750. config ARC_CONSOLE
  751. bool "ARC console support"
  752. depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
  753. config ARC_MEMORY
  754. bool
  755. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  756. default y
  757. config ARC_PROMLIB
  758. bool
  759. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
  760. default y
  761. config ARC64
  762. bool
  763. config BOOT_ELF64
  764. bool
  765. menu "CPU selection"
  766. choice
  767. prompt "CPU type"
  768. default CPU_R4X00
  769. config CPU_LOONGSON2
  770. bool "Loongson 2"
  771. depends on SYS_HAS_CPU_LOONGSON2
  772. select CPU_SUPPORTS_32BIT_KERNEL
  773. select CPU_SUPPORTS_64BIT_KERNEL
  774. select CPU_SUPPORTS_HIGHMEM
  775. help
  776. The Loongson 2E processor implements the MIPS III instruction set
  777. with many extensions.
  778. config CPU_MIPS32_R1
  779. bool "MIPS32 Release 1"
  780. depends on SYS_HAS_CPU_MIPS32_R1
  781. select CPU_HAS_LLSC
  782. select CPU_HAS_PREFETCH
  783. select CPU_SUPPORTS_32BIT_KERNEL
  784. select CPU_SUPPORTS_HIGHMEM
  785. help
  786. Choose this option to build a kernel for release 1 or later of the
  787. MIPS32 architecture. Most modern embedded systems with a 32-bit
  788. MIPS processor are based on a MIPS32 processor. If you know the
  789. specific type of processor in your system, choose those that one
  790. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  791. Release 2 of the MIPS32 architecture is available since several
  792. years so chances are you even have a MIPS32 Release 2 processor
  793. in which case you should choose CPU_MIPS32_R2 instead for better
  794. performance.
  795. config CPU_MIPS32_R2
  796. bool "MIPS32 Release 2"
  797. depends on SYS_HAS_CPU_MIPS32_R2
  798. select CPU_HAS_LLSC
  799. select CPU_HAS_PREFETCH
  800. select CPU_SUPPORTS_32BIT_KERNEL
  801. select CPU_SUPPORTS_HIGHMEM
  802. help
  803. Choose this option to build a kernel for release 2 or later of the
  804. MIPS32 architecture. Most modern embedded systems with a 32-bit
  805. MIPS processor are based on a MIPS32 processor. If you know the
  806. specific type of processor in your system, choose those that one
  807. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  808. config CPU_MIPS64_R1
  809. bool "MIPS64 Release 1"
  810. depends on SYS_HAS_CPU_MIPS64_R1
  811. select CPU_HAS_LLSC
  812. select CPU_HAS_PREFETCH
  813. select CPU_SUPPORTS_32BIT_KERNEL
  814. select CPU_SUPPORTS_64BIT_KERNEL
  815. select CPU_SUPPORTS_HIGHMEM
  816. help
  817. Choose this option to build a kernel for release 1 or later of the
  818. MIPS64 architecture. Many modern embedded systems with a 64-bit
  819. MIPS processor are based on a MIPS64 processor. If you know the
  820. specific type of processor in your system, choose those that one
  821. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  822. Release 2 of the MIPS64 architecture is available since several
  823. years so chances are you even have a MIPS64 Release 2 processor
  824. in which case you should choose CPU_MIPS64_R2 instead for better
  825. performance.
  826. config CPU_MIPS64_R2
  827. bool "MIPS64 Release 2"
  828. depends on SYS_HAS_CPU_MIPS64_R2
  829. select CPU_HAS_LLSC
  830. select CPU_HAS_PREFETCH
  831. select CPU_SUPPORTS_32BIT_KERNEL
  832. select CPU_SUPPORTS_64BIT_KERNEL
  833. select CPU_SUPPORTS_HIGHMEM
  834. help
  835. Choose this option to build a kernel for release 2 or later of the
  836. MIPS64 architecture. Many modern embedded systems with a 64-bit
  837. MIPS processor are based on a MIPS64 processor. If you know the
  838. specific type of processor in your system, choose those that one
  839. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  840. config CPU_R3000
  841. bool "R3000"
  842. depends on SYS_HAS_CPU_R3000
  843. select CPU_HAS_WB
  844. select CPU_SUPPORTS_32BIT_KERNEL
  845. select CPU_SUPPORTS_HIGHMEM
  846. help
  847. Please make sure to pick the right CPU type. Linux/MIPS is not
  848. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  849. *not* work on R4000 machines and vice versa. However, since most
  850. of the supported machines have an R4000 (or similar) CPU, R4x00
  851. might be a safe bet. If the resulting kernel does not work,
  852. try to recompile with R3000.
  853. config CPU_TX39XX
  854. bool "R39XX"
  855. depends on SYS_HAS_CPU_TX39XX
  856. select CPU_SUPPORTS_32BIT_KERNEL
  857. config CPU_VR41XX
  858. bool "R41xx"
  859. depends on SYS_HAS_CPU_VR41XX
  860. select CPU_SUPPORTS_32BIT_KERNEL
  861. select CPU_SUPPORTS_64BIT_KERNEL
  862. help
  863. The options selects support for the NEC VR4100 series of processors.
  864. Only choose this option if you have one of these processors as a
  865. kernel built with this option will not run on any other type of
  866. processor or vice versa.
  867. config CPU_R4300
  868. bool "R4300"
  869. depends on SYS_HAS_CPU_R4300
  870. select CPU_HAS_LLSC
  871. select CPU_SUPPORTS_32BIT_KERNEL
  872. select CPU_SUPPORTS_64BIT_KERNEL
  873. help
  874. MIPS Technologies R4300-series processors.
  875. config CPU_R4X00
  876. bool "R4x00"
  877. depends on SYS_HAS_CPU_R4X00
  878. select CPU_HAS_LLSC
  879. select CPU_SUPPORTS_32BIT_KERNEL
  880. select CPU_SUPPORTS_64BIT_KERNEL
  881. help
  882. MIPS Technologies R4000-series processors other than 4300, including
  883. the R4000, R4400, R4600, and 4700.
  884. config CPU_TX49XX
  885. bool "R49XX"
  886. depends on SYS_HAS_CPU_TX49XX
  887. select CPU_HAS_LLSC
  888. select CPU_HAS_PREFETCH
  889. select CPU_SUPPORTS_32BIT_KERNEL
  890. select CPU_SUPPORTS_64BIT_KERNEL
  891. config CPU_R5000
  892. bool "R5000"
  893. depends on SYS_HAS_CPU_R5000
  894. select CPU_HAS_LLSC
  895. select CPU_SUPPORTS_32BIT_KERNEL
  896. select CPU_SUPPORTS_64BIT_KERNEL
  897. help
  898. MIPS Technologies R5000-series processors other than the Nevada.
  899. config CPU_R5432
  900. bool "R5432"
  901. depends on SYS_HAS_CPU_R5432
  902. select CPU_HAS_LLSC
  903. select CPU_SUPPORTS_32BIT_KERNEL
  904. select CPU_SUPPORTS_64BIT_KERNEL
  905. config CPU_R6000
  906. bool "R6000"
  907. depends on EXPERIMENTAL
  908. select CPU_HAS_LLSC
  909. depends on SYS_HAS_CPU_R6000
  910. select CPU_SUPPORTS_32BIT_KERNEL
  911. help
  912. MIPS Technologies R6000 and R6000A series processors. Note these
  913. processors are extremely rare and the support for them is incomplete.
  914. config CPU_NEVADA
  915. bool "RM52xx"
  916. depends on SYS_HAS_CPU_NEVADA
  917. select CPU_HAS_LLSC
  918. select CPU_SUPPORTS_32BIT_KERNEL
  919. select CPU_SUPPORTS_64BIT_KERNEL
  920. help
  921. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  922. config CPU_R8000
  923. bool "R8000"
  924. depends on EXPERIMENTAL
  925. depends on SYS_HAS_CPU_R8000
  926. select CPU_HAS_LLSC
  927. select CPU_HAS_PREFETCH
  928. select CPU_SUPPORTS_64BIT_KERNEL
  929. help
  930. MIPS Technologies R8000 processors. Note these processors are
  931. uncommon and the support for them is incomplete.
  932. config CPU_R10000
  933. bool "R10000"
  934. depends on SYS_HAS_CPU_R10000
  935. select CPU_HAS_LLSC
  936. select CPU_HAS_PREFETCH
  937. select CPU_SUPPORTS_32BIT_KERNEL
  938. select CPU_SUPPORTS_64BIT_KERNEL
  939. select CPU_SUPPORTS_HIGHMEM
  940. help
  941. MIPS Technologies R10000-series processors.
  942. config CPU_RM7000
  943. bool "RM7000"
  944. depends on SYS_HAS_CPU_RM7000
  945. select CPU_HAS_LLSC
  946. select CPU_HAS_PREFETCH
  947. select CPU_SUPPORTS_32BIT_KERNEL
  948. select CPU_SUPPORTS_64BIT_KERNEL
  949. select CPU_SUPPORTS_HIGHMEM
  950. config CPU_RM9000
  951. bool "RM9000"
  952. depends on SYS_HAS_CPU_RM9000
  953. select CPU_HAS_LLSC
  954. select CPU_HAS_PREFETCH
  955. select CPU_SUPPORTS_32BIT_KERNEL
  956. select CPU_SUPPORTS_64BIT_KERNEL
  957. select CPU_SUPPORTS_HIGHMEM
  958. select WEAK_ORDERING
  959. config CPU_SB1
  960. bool "SB1"
  961. depends on SYS_HAS_CPU_SB1
  962. select CPU_HAS_LLSC
  963. select CPU_SUPPORTS_32BIT_KERNEL
  964. select CPU_SUPPORTS_64BIT_KERNEL
  965. select CPU_SUPPORTS_HIGHMEM
  966. select WEAK_ORDERING
  967. endchoice
  968. config SYS_HAS_CPU_LOONGSON2
  969. bool
  970. config SYS_HAS_CPU_MIPS32_R1
  971. bool
  972. config SYS_HAS_CPU_MIPS32_R2
  973. bool
  974. config SYS_HAS_CPU_MIPS64_R1
  975. bool
  976. config SYS_HAS_CPU_MIPS64_R2
  977. bool
  978. config SYS_HAS_CPU_R3000
  979. bool
  980. config SYS_HAS_CPU_TX39XX
  981. bool
  982. config SYS_HAS_CPU_VR41XX
  983. bool
  984. config SYS_HAS_CPU_R4300
  985. bool
  986. config SYS_HAS_CPU_R4X00
  987. bool
  988. config SYS_HAS_CPU_TX49XX
  989. bool
  990. config SYS_HAS_CPU_R5000
  991. bool
  992. config SYS_HAS_CPU_R5432
  993. bool
  994. config SYS_HAS_CPU_R6000
  995. bool
  996. config SYS_HAS_CPU_NEVADA
  997. bool
  998. config SYS_HAS_CPU_R8000
  999. bool
  1000. config SYS_HAS_CPU_R10000
  1001. bool
  1002. config SYS_HAS_CPU_RM7000
  1003. bool
  1004. config SYS_HAS_CPU_RM9000
  1005. bool
  1006. config SYS_HAS_CPU_SB1
  1007. bool
  1008. #
  1009. # CPU may reorder R->R, R->W, W->R, W->W
  1010. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1011. #
  1012. config WEAK_ORDERING
  1013. bool
  1014. #
  1015. # CPU may reorder reads and writes beyond LL/SC
  1016. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1017. #
  1018. config WEAK_REORDERING_BEYOND_LLSC
  1019. bool
  1020. endmenu
  1021. #
  1022. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1023. #
  1024. config CPU_MIPS32
  1025. bool
  1026. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1027. config CPU_MIPS64
  1028. bool
  1029. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1030. #
  1031. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1032. #
  1033. config CPU_MIPSR1
  1034. bool
  1035. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1036. config CPU_MIPSR2
  1037. bool
  1038. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1039. config SYS_SUPPORTS_32BIT_KERNEL
  1040. bool
  1041. config SYS_SUPPORTS_64BIT_KERNEL
  1042. bool
  1043. config CPU_SUPPORTS_32BIT_KERNEL
  1044. bool
  1045. config CPU_SUPPORTS_64BIT_KERNEL
  1046. bool
  1047. menu "Kernel type"
  1048. choice
  1049. prompt "Kernel code model"
  1050. help
  1051. You should only select this option if you have a workload that
  1052. actually benefits from 64-bit processing or if your machine has
  1053. large memory. You will only be presented a single option in this
  1054. menu if your system does not support both 32-bit and 64-bit kernels.
  1055. config 32BIT
  1056. bool "32-bit kernel"
  1057. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1058. select TRAD_SIGNALS
  1059. help
  1060. Select this option if you want to build a 32-bit kernel.
  1061. config 64BIT
  1062. bool "64-bit kernel"
  1063. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1064. help
  1065. Select this option if you want to build a 64-bit kernel.
  1066. endchoice
  1067. choice
  1068. prompt "Kernel page size"
  1069. default PAGE_SIZE_4KB
  1070. config PAGE_SIZE_4KB
  1071. bool "4kB"
  1072. help
  1073. This option select the standard 4kB Linux page size. On some
  1074. R3000-family processors this is the only available page size. Using
  1075. 4kB page size will minimize memory consumption and is therefore
  1076. recommended for low memory systems.
  1077. config PAGE_SIZE_8KB
  1078. bool "8kB"
  1079. depends on EXPERIMENTAL && CPU_R8000
  1080. help
  1081. Using 8kB page size will result in higher performance kernel at
  1082. the price of higher memory consumption. This option is available
  1083. only on the R8000 processor. Not that at the time of this writing
  1084. this option is still high experimental; there are also issues with
  1085. compatibility of user applications.
  1086. config PAGE_SIZE_16KB
  1087. bool "16kB"
  1088. depends on !CPU_R3000 && !CPU_TX39XX
  1089. help
  1090. Using 16kB page size will result in higher performance kernel at
  1091. the price of higher memory consumption. This option is available on
  1092. all non-R3000 family processors. Note that you will need a suitable
  1093. Linux distribution to support this.
  1094. config PAGE_SIZE_64KB
  1095. bool "64kB"
  1096. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1097. help
  1098. Using 64kB page size will result in higher performance kernel at
  1099. the price of higher memory consumption. This option is available on
  1100. all non-R3000 family processor. Not that at the time of this
  1101. writing this option is still high experimental.
  1102. endchoice
  1103. config BOARD_SCACHE
  1104. bool
  1105. config IP22_CPU_SCACHE
  1106. bool
  1107. select BOARD_SCACHE
  1108. #
  1109. # Support for a MIPS32 / MIPS64 style S-caches
  1110. #
  1111. config MIPS_CPU_SCACHE
  1112. bool
  1113. select BOARD_SCACHE
  1114. config R5000_CPU_SCACHE
  1115. bool
  1116. select BOARD_SCACHE
  1117. config RM7000_CPU_SCACHE
  1118. bool
  1119. select BOARD_SCACHE
  1120. config SIBYTE_DMA_PAGEOPS
  1121. bool "Use DMA to clear/copy pages"
  1122. depends on CPU_SB1
  1123. help
  1124. Instead of using the CPU to zero and copy pages, use a Data Mover
  1125. channel. These DMA channels are otherwise unused by the standard
  1126. SiByte Linux port. Seems to give a small performance benefit.
  1127. config CPU_HAS_PREFETCH
  1128. bool
  1129. choice
  1130. prompt "MIPS MT options"
  1131. config MIPS_MT_DISABLED
  1132. bool "Disable multithreading support."
  1133. help
  1134. Use this option if your workload can't take advantage of
  1135. MIPS hardware multithreading support. On systems that don't have
  1136. the option of an MT-enabled processor this option will be the only
  1137. option in this menu.
  1138. config MIPS_MT_SMP
  1139. bool "Use 1 TC on each available VPE for SMP"
  1140. depends on SYS_SUPPORTS_MULTITHREADING
  1141. select CPU_MIPSR2_IRQ_VI
  1142. select CPU_MIPSR2_IRQ_EI
  1143. select CPU_MIPSR2_SRS
  1144. select MIPS_MT
  1145. select NR_CPUS_DEFAULT_2
  1146. select SMP
  1147. select SYS_SUPPORTS_SMP
  1148. help
  1149. This is a kernel model which is also known a VSMP or lately
  1150. has been marketesed into SMVP.
  1151. config MIPS_MT_SMTC
  1152. bool "SMTC: Use all TCs on all VPEs for SMP"
  1153. depends on CPU_MIPS32_R2
  1154. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1155. depends on SYS_SUPPORTS_MULTITHREADING
  1156. select CPU_MIPSR2_IRQ_VI
  1157. select CPU_MIPSR2_IRQ_EI
  1158. select CPU_MIPSR2_SRS
  1159. select MIPS_MT
  1160. select NR_CPUS_DEFAULT_8
  1161. select SMP
  1162. select SYS_SUPPORTS_SMP
  1163. help
  1164. This is a kernel model which is known a SMTC or lately has been
  1165. marketesed into SMVP.
  1166. endchoice
  1167. config MIPS_MT
  1168. bool
  1169. config SYS_SUPPORTS_MULTITHREADING
  1170. bool
  1171. config MIPS_MT_FPAFF
  1172. bool "Dynamic FPU affinity for FP-intensive threads"
  1173. default y
  1174. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1175. config MIPS_VPE_LOADER
  1176. bool "VPE loader support."
  1177. depends on SYS_SUPPORTS_MULTITHREADING
  1178. select CPU_MIPSR2_IRQ_VI
  1179. select CPU_MIPSR2_IRQ_EI
  1180. select CPU_MIPSR2_SRS
  1181. select MIPS_MT
  1182. help
  1183. Includes a loader for loading an elf relocatable object
  1184. onto another VPE and running it.
  1185. config MIPS_MT_SMTC_INSTANT_REPLAY
  1186. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1187. depends on MIPS_MT_SMTC && !PREEMPT
  1188. default y
  1189. help
  1190. SMTC pseudo-interrupts between TCs are deferred and queued
  1191. if the target TC is interrupt-inhibited (IXMT). In the first
  1192. SMTC prototypes, these queued IPIs were serviced on return
  1193. to user mode, or on entry into the kernel idle loop. The
  1194. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1195. processing, which adds runtime overhead (hence the option to turn
  1196. it off), but ensures that IPIs are handled promptly even under
  1197. heavy I/O interrupt load.
  1198. config MIPS_MT_SMTC_IM_BACKSTOP
  1199. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1200. depends on MIPS_MT_SMTC
  1201. default y
  1202. help
  1203. To support multiple TC microthreads acting as "CPUs" within
  1204. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1205. during interrupt handling. To support legacy drivers and interrupt
  1206. controller management code, SMTC has a "backstop" to track and
  1207. if necessary restore the interrupt mask. This has some performance
  1208. impact on interrupt service overhead. Disable it only if you know
  1209. what you are doing.
  1210. config MIPS_MT_SMTC_IRQAFF
  1211. bool "Support IRQ affinity API"
  1212. depends on MIPS_MT_SMTC
  1213. default n
  1214. help
  1215. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1216. for SMTC Linux kernel. Requires platform support, of which
  1217. an example can be found in the MIPS kernel i8259 and Malta
  1218. platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
  1219. be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
  1220. interrupt dispatch, and should be used only if you know what
  1221. you are doing.
  1222. config MIPS_VPE_LOADER_TOM
  1223. bool "Load VPE program into memory hidden from linux"
  1224. depends on MIPS_VPE_LOADER
  1225. default y
  1226. help
  1227. The loader can use memory that is present but has been hidden from
  1228. Linux using the kernel command line option "mem=xxMB". It's up to
  1229. you to ensure the amount you put in the option and the space your
  1230. program requires is less or equal to the amount physically present.
  1231. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1232. config MIPS_VPE_APSP_API
  1233. bool "Enable support for AP/SP API (RTLX)"
  1234. depends on MIPS_VPE_LOADER
  1235. help
  1236. config MIPS_APSP_KSPD
  1237. bool "Enable KSPD"
  1238. depends on MIPS_VPE_APSP_API
  1239. default y
  1240. help
  1241. KSPD is a kernel daemon that accepts syscall requests from the SP
  1242. side, actions them and returns the results. It also handles the
  1243. "exit" syscall notifying other kernel modules the SP program is
  1244. exiting. You probably want to say yes here.
  1245. config SB1_PASS_1_WORKAROUNDS
  1246. bool
  1247. depends on CPU_SB1_PASS_1
  1248. default y
  1249. config SB1_PASS_2_WORKAROUNDS
  1250. bool
  1251. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1252. default y
  1253. config SB1_PASS_2_1_WORKAROUNDS
  1254. bool
  1255. depends on CPU_SB1 && CPU_SB1_PASS_2
  1256. default y
  1257. config 64BIT_PHYS_ADDR
  1258. bool
  1259. config CPU_HAS_LLSC
  1260. bool
  1261. config CPU_HAS_SMARTMIPS
  1262. depends on SYS_SUPPORTS_SMARTMIPS
  1263. bool "Support for the SmartMIPS ASE"
  1264. help
  1265. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1266. increased security at both hardware and software level for
  1267. smartcards. Enabling this option will allow proper use of the
  1268. SmartMIPS instructions by Linux applications. However a kernel with
  1269. this option will not work on a MIPS core without SmartMIPS core. If
  1270. you don't know you probably don't have SmartMIPS and should say N
  1271. here.
  1272. config CPU_HAS_WB
  1273. bool
  1274. config 64BIT_CONTEXT
  1275. bool "Save 64bit integer registers"
  1276. depends on 32BIT && CPU_LOONGSON2
  1277. help
  1278. Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
  1279. registers can still be accessed as 64bit, mainly for multimedia
  1280. instructions. We must have all 64bit save/restored to make sure
  1281. those instructions to get correct result.
  1282. #
  1283. # Vectored interrupt mode is an R2 feature
  1284. #
  1285. config CPU_MIPSR2_IRQ_VI
  1286. bool
  1287. #
  1288. # Extended interrupt mode is an R2 feature
  1289. #
  1290. config CPU_MIPSR2_IRQ_EI
  1291. bool
  1292. #
  1293. # Shadow registers are an R2 feature
  1294. #
  1295. config CPU_MIPSR2_SRS
  1296. bool
  1297. config CPU_HAS_SYNC
  1298. bool
  1299. depends on !CPU_R3000
  1300. default y
  1301. #
  1302. # Use the generic interrupt handling code in kernel/irq/:
  1303. #
  1304. config GENERIC_HARDIRQS
  1305. bool
  1306. default y
  1307. config GENERIC_IRQ_PROBE
  1308. bool
  1309. default y
  1310. config IRQ_PER_CPU
  1311. bool
  1312. #
  1313. # - Highmem only makes sense for the 32-bit kernel.
  1314. # - The current highmem code will only work properly on physically indexed
  1315. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1316. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1317. # moment we protect the user and offer the highmem option only on machines
  1318. # where it's known to be safe. This will not offer highmem on a few systems
  1319. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1320. # indexed CPUs but we're playing safe.
  1321. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1322. # know they might have memory configurations that could make use of highmem
  1323. # support.
  1324. #
  1325. config HIGHMEM
  1326. bool "High Memory Support"
  1327. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1328. config CPU_SUPPORTS_HIGHMEM
  1329. bool
  1330. config SYS_SUPPORTS_HIGHMEM
  1331. bool
  1332. config SYS_SUPPORTS_SMARTMIPS
  1333. bool
  1334. config ARCH_FLATMEM_ENABLE
  1335. def_bool y
  1336. depends on !NUMA
  1337. config ARCH_DISCONTIGMEM_ENABLE
  1338. bool
  1339. default y if SGI_IP27
  1340. help
  1341. Say Y to support efficient handling of discontiguous physical memory,
  1342. for architectures which are either NUMA (Non-Uniform Memory Access)
  1343. or have huge holes in the physical address space for other reasons.
  1344. See <file:Documentation/vm/numa> for more.
  1345. config ARCH_SPARSEMEM_ENABLE
  1346. bool
  1347. select SPARSEMEM_STATIC
  1348. config NUMA
  1349. bool "NUMA Support"
  1350. depends on SYS_SUPPORTS_NUMA
  1351. help
  1352. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1353. Access). This option improves performance on systems with more
  1354. than two nodes; on two node systems it is generally better to
  1355. leave it disabled; on single node systems disable this option
  1356. disabled.
  1357. config SYS_SUPPORTS_NUMA
  1358. bool
  1359. config NODES_SHIFT
  1360. int
  1361. default "6"
  1362. depends on NEED_MULTIPLE_NODES
  1363. source "mm/Kconfig"
  1364. config SMP
  1365. bool "Multi-Processing support"
  1366. depends on SYS_SUPPORTS_SMP
  1367. select IRQ_PER_CPU
  1368. help
  1369. This enables support for systems with more than one CPU. If you have
  1370. a system with only one CPU, like most personal computers, say N. If
  1371. you have a system with more than one CPU, say Y.
  1372. If you say N here, the kernel will run on single and multiprocessor
  1373. machines, but will use only one CPU of a multiprocessor machine. If
  1374. you say Y here, the kernel will run on many, but not all,
  1375. singleprocessor machines. On a singleprocessor machine, the kernel
  1376. will run faster if you say N here.
  1377. People using multiprocessor machines who say Y here should also say
  1378. Y to "Enhanced Real Time Clock Support", below.
  1379. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1380. available at <http://www.tldp.org/docs.html#howto>.
  1381. If you don't know what to do here, say N.
  1382. config SYS_SUPPORTS_SMP
  1383. bool
  1384. config NR_CPUS_DEFAULT_1
  1385. bool
  1386. config NR_CPUS_DEFAULT_2
  1387. bool
  1388. config NR_CPUS_DEFAULT_4
  1389. bool
  1390. config NR_CPUS_DEFAULT_8
  1391. bool
  1392. config NR_CPUS_DEFAULT_16
  1393. bool
  1394. config NR_CPUS_DEFAULT_32
  1395. bool
  1396. config NR_CPUS_DEFAULT_64
  1397. bool
  1398. config NR_CPUS
  1399. int "Maximum number of CPUs (2-64)"
  1400. range 1 64 if NR_CPUS_DEFAULT_1
  1401. depends on SMP
  1402. default "1" if NR_CPUS_DEFAULT_1
  1403. default "2" if NR_CPUS_DEFAULT_2
  1404. default "4" if NR_CPUS_DEFAULT_4
  1405. default "8" if NR_CPUS_DEFAULT_8
  1406. default "16" if NR_CPUS_DEFAULT_16
  1407. default "32" if NR_CPUS_DEFAULT_32
  1408. default "64" if NR_CPUS_DEFAULT_64
  1409. help
  1410. This allows you to specify the maximum number of CPUs which this
  1411. kernel will support. The maximum supported value is 32 for 32-bit
  1412. kernel and 64 for 64-bit kernels; the minimum value which makes
  1413. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1414. and 2 for all others.
  1415. This is purely to save memory - each supported CPU adds
  1416. approximately eight kilobytes to the kernel image. For best
  1417. performance should round up your number of processors to the next
  1418. power of two.
  1419. #
  1420. # Timer Interrupt Frequency Configuration
  1421. #
  1422. choice
  1423. prompt "Timer frequency"
  1424. default HZ_250
  1425. help
  1426. Allows the configuration of the timer frequency.
  1427. config HZ_48
  1428. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1429. config HZ_100
  1430. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1431. config HZ_128
  1432. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1433. config HZ_250
  1434. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1435. config HZ_256
  1436. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1437. config HZ_1000
  1438. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1439. config HZ_1024
  1440. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1441. endchoice
  1442. config SYS_SUPPORTS_48HZ
  1443. bool
  1444. config SYS_SUPPORTS_100HZ
  1445. bool
  1446. config SYS_SUPPORTS_128HZ
  1447. bool
  1448. config SYS_SUPPORTS_250HZ
  1449. bool
  1450. config SYS_SUPPORTS_256HZ
  1451. bool
  1452. config SYS_SUPPORTS_1000HZ
  1453. bool
  1454. config SYS_SUPPORTS_1024HZ
  1455. bool
  1456. config SYS_SUPPORTS_ARBIT_HZ
  1457. bool
  1458. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1459. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1460. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1461. !SYS_SUPPORTS_1024HZ
  1462. config HZ
  1463. int
  1464. default 48 if HZ_48
  1465. default 100 if HZ_100
  1466. default 128 if HZ_128
  1467. default 250 if HZ_250
  1468. default 256 if HZ_256
  1469. default 1000 if HZ_1000
  1470. default 1024 if HZ_1024
  1471. source "kernel/Kconfig.preempt"
  1472. config MIPS_INSANE_LARGE
  1473. bool "Support for large 64-bit configurations"
  1474. depends on CPU_R10000 && 64BIT
  1475. help
  1476. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1477. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1478. need processes of more than 1TB virtual address space, say Y here.
  1479. This will result in additional memory usage, so it is not
  1480. recommended for normal users.
  1481. config KEXEC
  1482. bool "Kexec system call (EXPERIMENTAL)"
  1483. depends on EXPERIMENTAL
  1484. help
  1485. kexec is a system call that implements the ability to shutdown your
  1486. current kernel, and to start another kernel. It is like a reboot
  1487. but it is independent of the system firmware. And like a reboot
  1488. you can start any kernel with it, not just Linux.
  1489. The name comes from the similiarity to the exec system call.
  1490. It is an ongoing process to be certain the hardware in a machine
  1491. is properly shutdown, so do not be surprised if this code does not
  1492. initially work for you. It may help to enable device hotplugging
  1493. support. As of this writing the exact hardware interface is
  1494. strongly in flux, so no good recommendation can be made.
  1495. config SECCOMP
  1496. bool "Enable seccomp to safely compute untrusted bytecode"
  1497. depends on PROC_FS
  1498. default y
  1499. help
  1500. This kernel feature is useful for number crunching applications
  1501. that may need to compute untrusted bytecode during their
  1502. execution. By using pipes or other transports made available to
  1503. the process as file descriptors supporting the read/write
  1504. syscalls, it's possible to isolate those applications in
  1505. their own address space using seccomp. Once seccomp is
  1506. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1507. and the task is only allowed to execute a few safe syscalls
  1508. defined by each seccomp mode.
  1509. If unsure, say Y. Only embedded should say N here.
  1510. endmenu
  1511. config RWSEM_GENERIC_SPINLOCK
  1512. bool
  1513. default y
  1514. config LOCKDEP_SUPPORT
  1515. bool
  1516. default y
  1517. config STACKTRACE_SUPPORT
  1518. bool
  1519. default y
  1520. source "init/Kconfig"
  1521. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1522. config HW_HAS_EISA
  1523. bool
  1524. config HW_HAS_PCI
  1525. bool
  1526. config PCI
  1527. bool "Support for PCI controller"
  1528. depends on HW_HAS_PCI
  1529. help
  1530. Find out whether you have a PCI motherboard. PCI is the name of a
  1531. bus system, i.e. the way the CPU talks to the other stuff inside
  1532. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1533. say Y, otherwise N.
  1534. The PCI-HOWTO, available from
  1535. <http://www.tldp.org/docs.html#howto>, contains valuable
  1536. information about which PCI hardware does work under Linux and which
  1537. doesn't.
  1538. config PCI_DOMAINS
  1539. bool
  1540. depends on PCI
  1541. source "drivers/pci/Kconfig"
  1542. #
  1543. # ISA support is now enabled via select. Too many systems still have the one
  1544. # or other ISA chip on the board that users don't know about so don't expect
  1545. # users to choose the right thing ...
  1546. #
  1547. config ISA
  1548. bool
  1549. config EISA
  1550. bool "EISA support"
  1551. depends on HW_HAS_EISA
  1552. select ISA
  1553. select GENERIC_ISA_DMA
  1554. ---help---
  1555. The Extended Industry Standard Architecture (EISA) bus was
  1556. developed as an open alternative to the IBM MicroChannel bus.
  1557. The EISA bus provided some of the features of the IBM MicroChannel
  1558. bus while maintaining backward compatibility with cards made for
  1559. the older ISA bus. The EISA bus saw limited use between 1988 and
  1560. 1995 when it was made obsolete by the PCI bus.
  1561. Say Y here if you are building a kernel for an EISA-based machine.
  1562. Otherwise, say N.
  1563. source "drivers/eisa/Kconfig"
  1564. config TC
  1565. bool "TURBOchannel support"
  1566. depends on MACH_DECSTATION
  1567. help
  1568. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1569. processors. Documentation on writing device drivers for TurboChannel
  1570. is available at:
  1571. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1572. #config ACCESSBUS
  1573. # bool "Access.Bus support"
  1574. # depends on TC
  1575. config MMU
  1576. bool
  1577. default y
  1578. config PCSPEAKER
  1579. bool
  1580. source "drivers/pcmcia/Kconfig"
  1581. source "drivers/pci/hotplug/Kconfig"
  1582. endmenu
  1583. menu "Executable file formats"
  1584. source "fs/Kconfig.binfmt"
  1585. config TRAD_SIGNALS
  1586. bool
  1587. config BINFMT_IRIX
  1588. bool "Include IRIX binary compatibility"
  1589. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1590. config MIPS32_COMPAT
  1591. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1592. depends on 64BIT
  1593. help
  1594. Select this option if you want Linux/MIPS 32-bit binary
  1595. compatibility. Since all software available for Linux/MIPS is
  1596. currently 32-bit you should say Y here.
  1597. config COMPAT
  1598. bool
  1599. depends on MIPS32_COMPAT
  1600. default y
  1601. config SYSVIPC_COMPAT
  1602. bool
  1603. depends on COMPAT && SYSVIPC
  1604. default y
  1605. config MIPS32_O32
  1606. bool "Kernel support for o32 binaries"
  1607. depends on MIPS32_COMPAT
  1608. help
  1609. Select this option if you want to run o32 binaries. These are pure
  1610. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1611. existing binaries are in this format.
  1612. If unsure, say Y.
  1613. config MIPS32_N32
  1614. bool "Kernel support for n32 binaries"
  1615. depends on MIPS32_COMPAT
  1616. help
  1617. Select this option if you want to run n32 binaries. These are
  1618. 64-bit binaries using 32-bit quantities for addressing and certain
  1619. data that would normally be 64-bit. They are used in special
  1620. cases.
  1621. If unsure, say N.
  1622. config BINFMT_ELF32
  1623. bool
  1624. default y if MIPS32_O32 || MIPS32_N32
  1625. endmenu
  1626. menu "Power management options"
  1627. source "kernel/power/Kconfig"
  1628. endmenu
  1629. source "net/Kconfig"
  1630. source "drivers/Kconfig"
  1631. source "fs/Kconfig"
  1632. source "arch/mips/oprofile/Kconfig"
  1633. source "arch/mips/Kconfig.debug"
  1634. source "security/Kconfig"
  1635. source "crypto/Kconfig"
  1636. source "lib/Kconfig"