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_64BIT_KERNEL
  26. select SYS_SUPPORTS_BIG_ENDIAN
  27. select SYS_SUPPORTS_KGDB
  28. help
  29. The eXcite is a smart camera platform manufactured by
  30. Basler Vision Technologies AG.
  31. config BASLER_EXCITE_PROTOTYPE
  32. bool "Support for pre-release units"
  33. depends on BASLER_EXCITE
  34. default n
  35. help
  36. Pre-series (prototype) units are different from later ones in
  37. some ways. Select this option if you have one of these. Please
  38. note that a kernel built with this option selected will not be
  39. able to run on normal units.
  40. config MIPS_COBALT
  41. bool "Cobalt Server"
  42. select DMA_NONCOHERENT
  43. select HW_HAS_PCI
  44. select I8259
  45. select IRQ_CPU
  46. select PCI_GT64XXX_PCI0
  47. select SYS_HAS_CPU_NEVADA
  48. select SYS_HAS_EARLY_PRINTK
  49. select SYS_SUPPORTS_32BIT_KERNEL
  50. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  51. select SYS_SUPPORTS_LITTLE_ENDIAN
  52. select GENERIC_HARDIRQS_NO__DO_IRQ
  53. config MACH_DECSTATION
  54. bool "DECstations"
  55. select BOOT_ELF32
  56. select DMA_NONCOHERENT
  57. select NO_IOPORT
  58. select IRQ_CPU
  59. select SYS_HAS_CPU_R3000
  60. select SYS_HAS_CPU_R4X00
  61. select SYS_SUPPORTS_32BIT_KERNEL
  62. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  63. select SYS_SUPPORTS_LITTLE_ENDIAN
  64. select SYS_SUPPORTS_128HZ
  65. select SYS_SUPPORTS_256HZ
  66. select SYS_SUPPORTS_1024HZ
  67. help
  68. This enables support for DEC's MIPS based workstations. For details
  69. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  70. DECstation porting pages on <http://decstation.unix-ag.org/>.
  71. If you have one of the following DECstation Models you definitely
  72. want to choose R4xx0 for the CPU Type:
  73. DECstation 5000/50
  74. DECstation 5000/150
  75. DECstation 5000/260
  76. DECsystem 5900/260
  77. otherwise choose R3000.
  78. config MACH_JAZZ
  79. bool "Jazz family of machines"
  80. select ARC
  81. select ARC32
  82. select ARCH_MAY_HAVE_PC_FDC
  83. select GENERIC_ISA_DMA
  84. select I8259
  85. select ISA
  86. select PCSPEAKER
  87. select SYS_HAS_CPU_R4X00
  88. select SYS_SUPPORTS_32BIT_KERNEL
  89. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  90. select SYS_SUPPORTS_100HZ
  91. select GENERIC_HARDIRQS_NO__DO_IRQ
  92. help
  93. This a family of machines based on the MIPS R4030 chipset which was
  94. used by several vendors to build RISC/os and Windows NT workstations.
  95. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  96. Olivetti M700-10 workstations.
  97. config LEMOTE_FULONG
  98. bool "Lemote Fulong mini-PC"
  99. select ARCH_SPARSEMEM_ENABLE
  100. select SYS_HAS_CPU_LOONGSON2
  101. select DMA_NONCOHERENT
  102. select BOOT_ELF32
  103. select BOARD_SCACHE
  104. select HAVE_STD_PC_SERIAL_PORT
  105. select HW_HAS_PCI
  106. select I8259
  107. select ISA
  108. select IRQ_CPU
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_64BIT_KERNEL
  111. select SYS_SUPPORTS_LITTLE_ENDIAN
  112. select SYS_SUPPORTS_HIGHMEM
  113. select SYS_HAS_EARLY_PRINTK
  114. select GENERIC_HARDIRQS_NO__DO_IRQ
  115. select CPU_HAS_WB
  116. help
  117. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  118. an FPGA northbridge
  119. config MIPS_ATLAS
  120. bool "MIPS Atlas board"
  121. select BOOT_ELF32
  122. select DMA_NONCOHERENT
  123. select SYS_HAS_EARLY_PRINTK
  124. select IRQ_CPU
  125. select HW_HAS_PCI
  126. select MIPS_BOARDS_GEN
  127. select MIPS_BONITO64
  128. select PCI_GT64XXX_PCI0
  129. select MIPS_MSC
  130. select RM7000_CPU_SCACHE
  131. select SWAP_IO_SPACE
  132. select SYS_HAS_CPU_MIPS32_R1
  133. select SYS_HAS_CPU_MIPS32_R2
  134. select SYS_HAS_CPU_MIPS64_R1
  135. select SYS_HAS_CPU_NEVADA
  136. select SYS_HAS_CPU_RM7000
  137. select SYS_SUPPORTS_32BIT_KERNEL
  138. select SYS_SUPPORTS_64BIT_KERNEL
  139. select SYS_SUPPORTS_BIG_ENDIAN
  140. select SYS_SUPPORTS_LITTLE_ENDIAN
  141. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  142. select SYS_SUPPORTS_SMARTMIPS
  143. select GENERIC_HARDIRQS_NO__DO_IRQ
  144. help
  145. This enables support for the MIPS Technologies Atlas evaluation
  146. board.
  147. config MIPS_MALTA
  148. bool "MIPS Malta board"
  149. select ARCH_MAY_HAVE_PC_FDC
  150. select BOOT_ELF32
  151. select DMA_NONCOHERENT
  152. select GENERIC_ISA_DMA
  153. select IRQ_CPU
  154. select HW_HAS_PCI
  155. select I8259
  156. select MIPS_BOARDS_GEN
  157. select MIPS_BONITO64
  158. select MIPS_CPU_SCACHE
  159. select PCI_GT64XXX_PCI0
  160. select MIPS_MSC
  161. select SWAP_IO_SPACE
  162. select SYS_HAS_CPU_MIPS32_R1
  163. select SYS_HAS_CPU_MIPS32_R2
  164. select SYS_HAS_CPU_MIPS64_R1
  165. select SYS_HAS_CPU_NEVADA
  166. select SYS_HAS_CPU_RM7000
  167. select SYS_HAS_EARLY_PRINTK
  168. select SYS_SUPPORTS_32BIT_KERNEL
  169. select SYS_SUPPORTS_64BIT_KERNEL
  170. select SYS_SUPPORTS_BIG_ENDIAN
  171. select SYS_SUPPORTS_LITTLE_ENDIAN
  172. select SYS_SUPPORTS_MULTITHREADING
  173. select SYS_SUPPORTS_SMARTMIPS
  174. help
  175. This enables support for the MIPS Technologies Malta evaluation
  176. board.
  177. config MIPS_SEAD
  178. bool "MIPS SEAD board (EXPERIMENTAL)"
  179. depends on EXPERIMENTAL
  180. select IRQ_CPU
  181. select DMA_NONCOHERENT
  182. select SYS_HAS_EARLY_PRINTK
  183. select MIPS_BOARDS_GEN
  184. select SYS_HAS_CPU_MIPS32_R1
  185. select SYS_HAS_CPU_MIPS32_R2
  186. select SYS_HAS_CPU_MIPS64_R1
  187. select SYS_SUPPORTS_32BIT_KERNEL
  188. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  189. select SYS_SUPPORTS_BIG_ENDIAN
  190. select SYS_SUPPORTS_LITTLE_ENDIAN
  191. select SYS_SUPPORTS_SMARTMIPS
  192. help
  193. This enables support for the MIPS Technologies SEAD evaluation
  194. board.
  195. config MIPS_SIM
  196. bool 'MIPS simulator (MIPSsim)'
  197. select DMA_NONCOHERENT
  198. select SYS_HAS_EARLY_PRINTK
  199. select IRQ_CPU
  200. select BOOT_RAW
  201. select SYS_HAS_CPU_MIPS32_R1
  202. select SYS_HAS_CPU_MIPS32_R2
  203. select SYS_HAS_EARLY_PRINTK
  204. select SYS_SUPPORTS_32BIT_KERNEL
  205. select SYS_SUPPORTS_BIG_ENDIAN
  206. select SYS_SUPPORTS_MULTITHREADING
  207. select SYS_SUPPORTS_LITTLE_ENDIAN
  208. help
  209. This option enables support for MIPS Technologies MIPSsim software
  210. emulator.
  211. config MARKEINS
  212. bool "NEC EMMA2RH Mark-eins"
  213. select DMA_NONCOHERENT
  214. select HW_HAS_PCI
  215. select IRQ_CPU
  216. select SWAP_IO_SPACE
  217. select SYS_SUPPORTS_32BIT_KERNEL
  218. select SYS_SUPPORTS_BIG_ENDIAN
  219. select SYS_SUPPORTS_LITTLE_ENDIAN
  220. select SYS_HAS_CPU_R5000
  221. help
  222. This enables support for the R5432-based NEC Mark-eins
  223. boards with R5500 CPU.
  224. config MACH_VR41XX
  225. bool "NEC VR4100 series based machines"
  226. select SYS_HAS_CPU_VR41XX
  227. select GENERIC_HARDIRQS_NO__DO_IRQ
  228. config PNX8550_JBS
  229. bool "Philips PNX8550 based JBS board"
  230. select PNX8550
  231. select SYS_SUPPORTS_LITTLE_ENDIAN
  232. config PNX8550_STB810
  233. bool "Philips PNX8550 based STB810 board"
  234. select PNX8550
  235. select SYS_SUPPORTS_LITTLE_ENDIAN
  236. config PMC_MSP
  237. bool "PMC-Sierra MSP chipsets"
  238. depends on EXPERIMENTAL
  239. select DMA_NONCOHERENT
  240. select SWAP_IO_SPACE
  241. select NO_EXCEPT_FILL
  242. select BOOT_RAW
  243. select SYS_HAS_CPU_MIPS32_R1
  244. select SYS_HAS_CPU_MIPS32_R2
  245. select SYS_SUPPORTS_32BIT_KERNEL
  246. select SYS_SUPPORTS_BIG_ENDIAN
  247. select SYS_SUPPORTS_KGDB
  248. select IRQ_CPU
  249. select SERIAL_8250
  250. select SERIAL_8250_CONSOLE
  251. help
  252. This adds support for the PMC-Sierra family of Multi-Service
  253. Processor System-On-A-Chips. These parts include a number
  254. of integrated peripherals, interfaces and DSPs in addition to
  255. a variety of MIPS cores.
  256. config PMC_YOSEMITE
  257. bool "PMC-Sierra Yosemite eval board"
  258. select DMA_COHERENT
  259. select HW_HAS_PCI
  260. select IRQ_CPU
  261. select IRQ_CPU_RM7K
  262. select IRQ_CPU_RM9K
  263. select SWAP_IO_SPACE
  264. select SYS_HAS_CPU_RM9000
  265. select SYS_HAS_EARLY_PRINTK
  266. select SYS_SUPPORTS_32BIT_KERNEL
  267. select SYS_SUPPORTS_64BIT_KERNEL
  268. select SYS_SUPPORTS_BIG_ENDIAN
  269. select SYS_SUPPORTS_HIGHMEM
  270. select SYS_SUPPORTS_KGDB
  271. select SYS_SUPPORTS_SMP
  272. help
  273. Yosemite is an evaluation board for the RM9000x2 processor
  274. manufactured by PMC-Sierra.
  275. config QEMU
  276. bool "Qemu"
  277. select DMA_COHERENT
  278. select GENERIC_ISA_DMA
  279. select HAVE_STD_PC_SERIAL_PORT
  280. select I8259
  281. select ISA
  282. select PCSPEAKER
  283. select SWAP_IO_SPACE
  284. select SYS_HAS_CPU_MIPS32_R1
  285. select SYS_SUPPORTS_32BIT_KERNEL
  286. select SYS_SUPPORTS_BIG_ENDIAN
  287. select SYS_SUPPORTS_LITTLE_ENDIAN
  288. select ARCH_SPARSEMEM_ENABLE
  289. select GENERIC_HARDIRQS_NO__DO_IRQ
  290. select NR_CPUS_DEFAULT_1
  291. select SYS_SUPPORTS_SMP
  292. help
  293. Qemu is a software emulator which among other architectures also
  294. can simulate a MIPS32 4Kc system. This patch adds support for the
  295. system architecture that currently is being simulated by Qemu. It
  296. will eventually be removed again when Qemu has the capability to
  297. simulate actual MIPS hardware platforms. More information on Qemu
  298. can be found at http://www.linux-mips.org/wiki/Qemu.
  299. config SGI_IP22
  300. bool "SGI IP22 (Indy/Indigo2)"
  301. select ARC
  302. select ARC32
  303. select BOOT_ELF32
  304. select DMA_NONCOHERENT
  305. select HW_HAS_EISA
  306. select IP22_CPU_SCACHE
  307. select IRQ_CPU
  308. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  309. select SWAP_IO_SPACE
  310. select SYS_HAS_CPU_R4X00
  311. select SYS_HAS_CPU_R5000
  312. select SYS_HAS_EARLY_PRINTK
  313. select SYS_SUPPORTS_32BIT_KERNEL
  314. select SYS_SUPPORTS_64BIT_KERNEL
  315. select SYS_SUPPORTS_BIG_ENDIAN
  316. help
  317. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  318. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  319. that runs on these, say Y here.
  320. config SGI_IP27
  321. bool "SGI IP27 (Origin200/2000)"
  322. select ARC
  323. select ARC64
  324. select BOOT_ELF64
  325. select DMA_IP27
  326. select SYS_HAS_EARLY_PRINTK
  327. select HW_HAS_PCI
  328. select NR_CPUS_DEFAULT_64
  329. select PCI_DOMAINS
  330. select SYS_HAS_CPU_R10000
  331. select SYS_SUPPORTS_64BIT_KERNEL
  332. select SYS_SUPPORTS_BIG_ENDIAN
  333. select SYS_SUPPORTS_KGDB
  334. select SYS_SUPPORTS_NUMA
  335. select SYS_SUPPORTS_SMP
  336. select GENERIC_HARDIRQS_NO__DO_IRQ
  337. help
  338. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  339. workstations. To compile a Linux kernel that runs on these, say Y
  340. here.
  341. config SGI_IP32
  342. bool "SGI IP32 (O2)"
  343. select ARC
  344. select ARC32
  345. select BOOT_ELF32
  346. select DMA_NONCOHERENT
  347. select HW_HAS_PCI
  348. select R5000_CPU_SCACHE
  349. select RM7000_CPU_SCACHE
  350. select SYS_HAS_CPU_R5000
  351. select SYS_HAS_CPU_R10000 if BROKEN
  352. select SYS_HAS_CPU_RM7000
  353. select SYS_HAS_CPU_NEVADA
  354. select SYS_SUPPORTS_64BIT_KERNEL
  355. select SYS_SUPPORTS_BIG_ENDIAN
  356. help
  357. If you want this kernel to run on SGI O2 workstation, say Y here.
  358. config SIBYTE_CRHINE
  359. bool "Sibyte BCM91120C-CRhine"
  360. depends on EXPERIMENTAL
  361. select BOOT_ELF32
  362. select DMA_COHERENT
  363. select SIBYTE_BCM1120
  364. select SWAP_IO_SPACE
  365. select SYS_HAS_CPU_SB1
  366. select SYS_SUPPORTS_BIG_ENDIAN
  367. select SYS_SUPPORTS_LITTLE_ENDIAN
  368. config SIBYTE_CARMEL
  369. bool "Sibyte BCM91120x-Carmel"
  370. depends on EXPERIMENTAL
  371. select BOOT_ELF32
  372. select DMA_COHERENT
  373. select SIBYTE_BCM1120
  374. select SWAP_IO_SPACE
  375. select SYS_HAS_CPU_SB1
  376. select SYS_SUPPORTS_BIG_ENDIAN
  377. select SYS_SUPPORTS_LITTLE_ENDIAN
  378. config SIBYTE_CRHONE
  379. bool "Sibyte BCM91125C-CRhone"
  380. depends on EXPERIMENTAL
  381. select BOOT_ELF32
  382. select DMA_COHERENT
  383. select SIBYTE_BCM1125
  384. select SWAP_IO_SPACE
  385. select SYS_HAS_CPU_SB1
  386. select SYS_SUPPORTS_BIG_ENDIAN
  387. select SYS_SUPPORTS_HIGHMEM
  388. select SYS_SUPPORTS_LITTLE_ENDIAN
  389. config SIBYTE_RHONE
  390. bool "Sibyte BCM91125E-Rhone"
  391. depends on EXPERIMENTAL
  392. select BOOT_ELF32
  393. select DMA_COHERENT
  394. select SIBYTE_BCM1125H
  395. select SWAP_IO_SPACE
  396. select SYS_HAS_CPU_SB1
  397. select SYS_SUPPORTS_BIG_ENDIAN
  398. select SYS_SUPPORTS_LITTLE_ENDIAN
  399. config SIBYTE_SWARM
  400. bool "Sibyte BCM91250A-SWARM"
  401. select BOOT_ELF32
  402. select DMA_COHERENT
  403. select NR_CPUS_DEFAULT_2
  404. select SIBYTE_SB1250
  405. select SWAP_IO_SPACE
  406. select SYS_HAS_CPU_SB1
  407. select SYS_SUPPORTS_BIG_ENDIAN
  408. select SYS_SUPPORTS_HIGHMEM
  409. select SYS_SUPPORTS_KGDB
  410. select SYS_SUPPORTS_LITTLE_ENDIAN
  411. config SIBYTE_LITTLESUR
  412. bool "Sibyte BCM91250C2-LittleSur"
  413. depends on EXPERIMENTAL
  414. select BOOT_ELF32
  415. select DMA_COHERENT
  416. select NR_CPUS_DEFAULT_2
  417. select SIBYTE_SB1250
  418. select SWAP_IO_SPACE
  419. select SYS_HAS_CPU_SB1
  420. select SYS_SUPPORTS_BIG_ENDIAN
  421. select SYS_SUPPORTS_HIGHMEM
  422. select SYS_SUPPORTS_LITTLE_ENDIAN
  423. config SIBYTE_SENTOSA
  424. bool "Sibyte BCM91250E-Sentosa"
  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_LITTLE_ENDIAN
  434. config SIBYTE_PTSWARM
  435. bool "Sibyte BCM91250PT-PTSWARM"
  436. depends on EXPERIMENTAL
  437. select BOOT_ELF32
  438. select DMA_COHERENT
  439. select NR_CPUS_DEFAULT_2
  440. select SIBYTE_SB1250
  441. select SWAP_IO_SPACE
  442. select SYS_HAS_CPU_SB1
  443. select SYS_SUPPORTS_BIG_ENDIAN
  444. select SYS_SUPPORTS_HIGHMEM
  445. select SYS_SUPPORTS_LITTLE_ENDIAN
  446. config SIBYTE_BIGSUR
  447. bool "Sibyte BCM91480B-BigSur"
  448. select BOOT_ELF32
  449. select DMA_COHERENT
  450. select NR_CPUS_DEFAULT_4
  451. select PCI_DOMAINS
  452. select SIBYTE_BCM1x80
  453. select SWAP_IO_SPACE
  454. select SYS_HAS_CPU_SB1
  455. select SYS_SUPPORTS_BIG_ENDIAN
  456. select SYS_SUPPORTS_LITTLE_ENDIAN
  457. config SNI_RM
  458. bool "SNI RM200/300/400"
  459. select ARC if CPU_LITTLE_ENDIAN
  460. select ARC32 if CPU_LITTLE_ENDIAN
  461. select ARCH_MAY_HAVE_PC_FDC
  462. select BOOT_ELF32
  463. select DMA_NONCOHERENT
  464. select GENERIC_ISA_DMA
  465. select HW_HAS_EISA
  466. select HW_HAS_PCI
  467. select IRQ_CPU
  468. select I8259
  469. select ISA
  470. select PCSPEAKER
  471. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  472. select SYS_HAS_CPU_R4X00
  473. select SYS_HAS_CPU_R5000
  474. select SYS_HAS_CPU_R10000
  475. select R5000_CPU_SCACHE
  476. select SYS_HAS_EARLY_PRINTK
  477. select SYS_SUPPORTS_32BIT_KERNEL
  478. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  479. select SYS_SUPPORTS_BIG_ENDIAN
  480. select SYS_SUPPORTS_HIGHMEM
  481. select SYS_SUPPORTS_LITTLE_ENDIAN
  482. help
  483. The SNI RM200/300/400 are MIPS-based machines manufactured by
  484. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  485. Technology and now in turn merged with Fujitsu. Say Y here to
  486. support this machine type.
  487. config TOSHIBA_JMR3927
  488. bool "Toshiba JMR-TX3927 board"
  489. select DMA_NONCOHERENT
  490. select HW_HAS_PCI
  491. select MIPS_TX3927
  492. select IRQ_TXX9
  493. select SWAP_IO_SPACE
  494. select SYS_HAS_CPU_TX39XX
  495. select SYS_SUPPORTS_32BIT_KERNEL
  496. select SYS_SUPPORTS_LITTLE_ENDIAN
  497. select SYS_SUPPORTS_BIG_ENDIAN
  498. select GENERIC_HARDIRQS_NO__DO_IRQ
  499. config TOSHIBA_RBTX4927
  500. bool "Toshiba RBTX49[23]7 board"
  501. select DMA_NONCOHERENT
  502. select HAS_TXX9_SERIAL
  503. select HW_HAS_PCI
  504. select IRQ_CPU
  505. select IRQ_TXX9
  506. select I8259 if TOSHIBA_FPCIB0
  507. select SWAP_IO_SPACE
  508. select SYS_HAS_CPU_TX49XX
  509. select SYS_SUPPORTS_32BIT_KERNEL
  510. select SYS_SUPPORTS_64BIT_KERNEL
  511. select SYS_SUPPORTS_LITTLE_ENDIAN
  512. select SYS_SUPPORTS_BIG_ENDIAN
  513. select SYS_SUPPORTS_KGDB
  514. select GENERIC_HARDIRQS_NO__DO_IRQ
  515. help
  516. This Toshiba board is based on the TX4927 processor. Say Y here to
  517. support this machine type
  518. config TOSHIBA_RBTX4938
  519. bool "Toshiba RBTX4938 board"
  520. select DMA_NONCOHERENT
  521. select HAS_TXX9_SERIAL
  522. select HW_HAS_PCI
  523. select IRQ_CPU
  524. select IRQ_TXX9
  525. select SWAP_IO_SPACE
  526. select SYS_HAS_CPU_TX49XX
  527. select SYS_SUPPORTS_32BIT_KERNEL
  528. select SYS_SUPPORTS_LITTLE_ENDIAN
  529. select SYS_SUPPORTS_BIG_ENDIAN
  530. select SYS_SUPPORTS_KGDB
  531. select GENERIC_HARDIRQS_NO__DO_IRQ
  532. select GENERIC_GPIO
  533. help
  534. This Toshiba board is based on the TX4938 processor. Say Y here to
  535. support this machine type
  536. config WR_PPMC
  537. bool "Wind River PPMC board"
  538. select IRQ_CPU
  539. select BOOT_ELF32
  540. select DMA_NONCOHERENT
  541. select HW_HAS_PCI
  542. select PCI_GT64XXX_PCI0
  543. select SWAP_IO_SPACE
  544. select SYS_HAS_CPU_MIPS32_R1
  545. select SYS_HAS_CPU_MIPS32_R2
  546. select SYS_HAS_CPU_MIPS64_R1
  547. select SYS_HAS_CPU_NEVADA
  548. select SYS_HAS_CPU_RM7000
  549. select SYS_SUPPORTS_32BIT_KERNEL
  550. select SYS_SUPPORTS_64BIT_KERNEL
  551. select SYS_SUPPORTS_BIG_ENDIAN
  552. select SYS_SUPPORTS_LITTLE_ENDIAN
  553. help
  554. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  555. board, which is based on GT64120 bridge chip.
  556. endchoice
  557. source "arch/mips/au1000/Kconfig"
  558. source "arch/mips/jazz/Kconfig"
  559. source "arch/mips/pmc-sierra/Kconfig"
  560. source "arch/mips/sgi-ip27/Kconfig"
  561. source "arch/mips/sibyte/Kconfig"
  562. source "arch/mips/tx4927/Kconfig"
  563. source "arch/mips/tx4938/Kconfig"
  564. source "arch/mips/vr41xx/Kconfig"
  565. endmenu
  566. config RWSEM_GENERIC_SPINLOCK
  567. bool
  568. default y
  569. config RWSEM_XCHGADD_ALGORITHM
  570. bool
  571. config ARCH_HAS_ILOG2_U32
  572. bool
  573. default n
  574. config ARCH_HAS_ILOG2_U64
  575. bool
  576. default n
  577. config GENERIC_FIND_NEXT_BIT
  578. bool
  579. default y
  580. config GENERIC_HWEIGHT
  581. bool
  582. default y
  583. config GENERIC_CALIBRATE_DELAY
  584. bool
  585. default y
  586. config GENERIC_TIME
  587. bool
  588. default y
  589. config SCHED_NO_NO_OMIT_FRAME_POINTER
  590. bool
  591. default y
  592. config GENERIC_HARDIRQS_NO__DO_IRQ
  593. bool
  594. default n
  595. #
  596. # Select some configuration options automatically based on user selections.
  597. #
  598. config ARC
  599. bool
  600. config ARCH_MAY_HAVE_PC_FDC
  601. bool
  602. config BOOT_RAW
  603. bool
  604. config DMA_COHERENT
  605. bool
  606. config DMA_IP27
  607. bool
  608. config DMA_IP32
  609. bool
  610. select DMA_NEED_PCI_MAP_STATE
  611. config DMA_NONCOHERENT
  612. bool
  613. select DMA_NEED_PCI_MAP_STATE
  614. config DMA_NEED_PCI_MAP_STATE
  615. bool
  616. config EARLY_PRINTK
  617. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  618. depends on SYS_HAS_EARLY_PRINTK
  619. default y
  620. help
  621. This option enables special console drivers which allow the kernel
  622. to print messages very early in the bootup process.
  623. This is useful for kernel debugging when your machine crashes very
  624. early before the console code is initialized. For normal operation,
  625. it is not recommended because it looks ugly on some machines and
  626. doesn't cooperate with an X server. You should normally say N here,
  627. unless you want to debug such a crash.
  628. config SYS_HAS_EARLY_PRINTK
  629. bool
  630. config GENERIC_ISA_DMA
  631. bool
  632. select ZONE_DMA
  633. config I8259
  634. bool
  635. config MIPS_BONITO64
  636. bool
  637. config MIPS_MSC
  638. bool
  639. config MIPS_DISABLE_OBSOLETE_IDE
  640. bool
  641. config NO_IOPORT
  642. def_bool n
  643. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  644. bool
  645. select ZONE_DMA
  646. config GENERIC_GPIO
  647. bool
  648. #
  649. # Endianess selection. Sufficiently obscure so many users don't know what to
  650. # answer,so we try hard to limit the available choices. Also the use of a
  651. # choice statement should be more obvious to the user.
  652. #
  653. choice
  654. prompt "Endianess selection"
  655. help
  656. Some MIPS machines can be configured for either little or big endian
  657. byte order. These modes require different kernels and a different
  658. Linux distribution. In general there is one preferred byteorder for a
  659. particular system but some systems are just as commonly used in the
  660. one or the other endianness.
  661. config CPU_BIG_ENDIAN
  662. bool "Big endian"
  663. depends on SYS_SUPPORTS_BIG_ENDIAN
  664. config CPU_LITTLE_ENDIAN
  665. bool "Little endian"
  666. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  667. help
  668. endchoice
  669. config SYS_SUPPORTS_APM_EMULATION
  670. bool
  671. config SYS_SUPPORTS_BIG_ENDIAN
  672. bool
  673. config SYS_SUPPORTS_LITTLE_ENDIAN
  674. bool
  675. config IRQ_CPU
  676. bool
  677. config IRQ_CPU_RM7K
  678. bool
  679. config IRQ_CPU_RM9K
  680. bool
  681. config IRQ_MSP_SLP
  682. bool
  683. config IRQ_MSP_CIC
  684. bool
  685. config IRQ_TXX9
  686. bool
  687. config MIPS_BOARDS_GEN
  688. bool
  689. config PCI_GT64XXX_PCI0
  690. bool
  691. config NO_EXCEPT_FILL
  692. bool
  693. config MIPS_TX3927
  694. bool
  695. select HAS_TXX9_SERIAL
  696. config MIPS_RM9122
  697. bool
  698. select SERIAL_RM9000
  699. config PNX8550
  700. bool
  701. select SOC_PNX8550
  702. config SOC_PNX8550
  703. bool
  704. select DMA_NONCOHERENT
  705. select HW_HAS_PCI
  706. select SYS_HAS_CPU_MIPS32_R1
  707. select SYS_HAS_EARLY_PRINTK
  708. select SYS_SUPPORTS_32BIT_KERNEL
  709. select GENERIC_HARDIRQS_NO__DO_IRQ
  710. select SYS_SUPPORTS_KGDB
  711. select GENERIC_GPIO
  712. config SWAP_IO_SPACE
  713. bool
  714. config EMMA2RH
  715. bool
  716. depends on MARKEINS
  717. default y
  718. config SERIAL_RM9000
  719. bool
  720. #
  721. # Unfortunately not all GT64120 systems run the chip at the same clock.
  722. # As the user for the clock rate and try to minimize the available options.
  723. #
  724. choice
  725. prompt "Galileo Chip Clock"
  726. depends on MOMENCO_OCELOT
  727. default SYSCLK_100 if MOMENCO_OCELOT
  728. config SYSCLK_100
  729. bool "100" if MOMENCO_OCELOT
  730. endchoice
  731. config ARC32
  732. bool
  733. config BOOT_ELF32
  734. bool
  735. config MIPS_L1_CACHE_SHIFT
  736. int
  737. default "4" if MACH_DECSTATION
  738. default "7" if SGI_IP27 || SNI_RM
  739. default "4" if PMC_MSP4200_EVAL
  740. default "5"
  741. config HAVE_STD_PC_SERIAL_PORT
  742. bool
  743. config ARC_CONSOLE
  744. bool "ARC console support"
  745. depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
  746. config ARC_MEMORY
  747. bool
  748. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  749. default y
  750. config ARC_PROMLIB
  751. bool
  752. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
  753. default y
  754. config ARC64
  755. bool
  756. config BOOT_ELF64
  757. bool
  758. menu "CPU selection"
  759. choice
  760. prompt "CPU type"
  761. default CPU_R4X00
  762. config CPU_LOONGSON2
  763. bool "Loongson 2"
  764. depends on SYS_HAS_CPU_LOONGSON2
  765. select CPU_SUPPORTS_32BIT_KERNEL
  766. select CPU_SUPPORTS_64BIT_KERNEL
  767. select CPU_SUPPORTS_HIGHMEM
  768. help
  769. The Loongson 2E processor implements the MIPS III instruction set
  770. with many extensions.
  771. config CPU_MIPS32_R1
  772. bool "MIPS32 Release 1"
  773. depends on SYS_HAS_CPU_MIPS32_R1
  774. select CPU_HAS_LLSC
  775. select CPU_HAS_PREFETCH
  776. select CPU_SUPPORTS_32BIT_KERNEL
  777. select CPU_SUPPORTS_HIGHMEM
  778. help
  779. Choose this option to build a kernel for release 1 or later of the
  780. MIPS32 architecture. Most modern embedded systems with a 32-bit
  781. MIPS processor are based on a MIPS32 processor. If you know the
  782. specific type of processor in your system, choose those that one
  783. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  784. Release 2 of the MIPS32 architecture is available since several
  785. years so chances are you even have a MIPS32 Release 2 processor
  786. in which case you should choose CPU_MIPS32_R2 instead for better
  787. performance.
  788. config CPU_MIPS32_R2
  789. bool "MIPS32 Release 2"
  790. depends on SYS_HAS_CPU_MIPS32_R2
  791. select CPU_HAS_LLSC
  792. select CPU_HAS_PREFETCH
  793. select CPU_SUPPORTS_32BIT_KERNEL
  794. select CPU_SUPPORTS_HIGHMEM
  795. help
  796. Choose this option to build a kernel for release 2 or later of the
  797. MIPS32 architecture. Most modern embedded systems with a 32-bit
  798. MIPS processor are based on a MIPS32 processor. If you know the
  799. specific type of processor in your system, choose those that one
  800. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  801. config CPU_MIPS64_R1
  802. bool "MIPS64 Release 1"
  803. depends on SYS_HAS_CPU_MIPS64_R1
  804. select CPU_HAS_LLSC
  805. select CPU_HAS_PREFETCH
  806. select CPU_SUPPORTS_32BIT_KERNEL
  807. select CPU_SUPPORTS_64BIT_KERNEL
  808. select CPU_SUPPORTS_HIGHMEM
  809. help
  810. Choose this option to build a kernel for release 1 or later of the
  811. MIPS64 architecture. Many modern embedded systems with a 64-bit
  812. MIPS processor are based on a MIPS64 processor. If you know the
  813. specific type of processor in your system, choose those that one
  814. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  815. Release 2 of the MIPS64 architecture is available since several
  816. years so chances are you even have a MIPS64 Release 2 processor
  817. in which case you should choose CPU_MIPS64_R2 instead for better
  818. performance.
  819. config CPU_MIPS64_R2
  820. bool "MIPS64 Release 2"
  821. depends on SYS_HAS_CPU_MIPS64_R2
  822. select CPU_HAS_LLSC
  823. select CPU_HAS_PREFETCH
  824. select CPU_SUPPORTS_32BIT_KERNEL
  825. select CPU_SUPPORTS_64BIT_KERNEL
  826. select CPU_SUPPORTS_HIGHMEM
  827. help
  828. Choose this option to build a kernel for release 2 or later of the
  829. MIPS64 architecture. Many modern embedded systems with a 64-bit
  830. MIPS processor are based on a MIPS64 processor. If you know the
  831. specific type of processor in your system, choose those that one
  832. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  833. config CPU_R3000
  834. bool "R3000"
  835. depends on SYS_HAS_CPU_R3000
  836. select CPU_HAS_WB
  837. select CPU_SUPPORTS_32BIT_KERNEL
  838. select CPU_SUPPORTS_HIGHMEM
  839. help
  840. Please make sure to pick the right CPU type. Linux/MIPS is not
  841. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  842. *not* work on R4000 machines and vice versa. However, since most
  843. of the supported machines have an R4000 (or similar) CPU, R4x00
  844. might be a safe bet. If the resulting kernel does not work,
  845. try to recompile with R3000.
  846. config CPU_TX39XX
  847. bool "R39XX"
  848. depends on SYS_HAS_CPU_TX39XX
  849. select CPU_SUPPORTS_32BIT_KERNEL
  850. config CPU_VR41XX
  851. bool "R41xx"
  852. depends on SYS_HAS_CPU_VR41XX
  853. select CPU_SUPPORTS_32BIT_KERNEL
  854. select CPU_SUPPORTS_64BIT_KERNEL
  855. help
  856. The options selects support for the NEC VR4100 series of processors.
  857. Only choose this option if you have one of these processors as a
  858. kernel built with this option will not run on any other type of
  859. processor or vice versa.
  860. config CPU_R4300
  861. bool "R4300"
  862. depends on SYS_HAS_CPU_R4300
  863. select CPU_HAS_LLSC
  864. select CPU_SUPPORTS_32BIT_KERNEL
  865. select CPU_SUPPORTS_64BIT_KERNEL
  866. help
  867. MIPS Technologies R4300-series processors.
  868. config CPU_R4X00
  869. bool "R4x00"
  870. depends on SYS_HAS_CPU_R4X00
  871. select CPU_HAS_LLSC
  872. select CPU_SUPPORTS_32BIT_KERNEL
  873. select CPU_SUPPORTS_64BIT_KERNEL
  874. help
  875. MIPS Technologies R4000-series processors other than 4300, including
  876. the R4000, R4400, R4600, and 4700.
  877. config CPU_TX49XX
  878. bool "R49XX"
  879. depends on SYS_HAS_CPU_TX49XX
  880. select CPU_HAS_LLSC
  881. select CPU_HAS_PREFETCH
  882. select CPU_SUPPORTS_32BIT_KERNEL
  883. select CPU_SUPPORTS_64BIT_KERNEL
  884. config CPU_R5000
  885. bool "R5000"
  886. depends on SYS_HAS_CPU_R5000
  887. select CPU_HAS_LLSC
  888. select CPU_SUPPORTS_32BIT_KERNEL
  889. select CPU_SUPPORTS_64BIT_KERNEL
  890. help
  891. MIPS Technologies R5000-series processors other than the Nevada.
  892. config CPU_R5432
  893. bool "R5432"
  894. depends on SYS_HAS_CPU_R5432
  895. select CPU_HAS_LLSC
  896. select CPU_SUPPORTS_32BIT_KERNEL
  897. select CPU_SUPPORTS_64BIT_KERNEL
  898. config CPU_R6000
  899. bool "R6000"
  900. depends on EXPERIMENTAL
  901. select CPU_HAS_LLSC
  902. depends on SYS_HAS_CPU_R6000
  903. select CPU_SUPPORTS_32BIT_KERNEL
  904. help
  905. MIPS Technologies R6000 and R6000A series processors. Note these
  906. processors are extremely rare and the support for them is incomplete.
  907. config CPU_NEVADA
  908. bool "RM52xx"
  909. depends on SYS_HAS_CPU_NEVADA
  910. select CPU_HAS_LLSC
  911. select CPU_SUPPORTS_32BIT_KERNEL
  912. select CPU_SUPPORTS_64BIT_KERNEL
  913. help
  914. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  915. config CPU_R8000
  916. bool "R8000"
  917. depends on EXPERIMENTAL
  918. depends on SYS_HAS_CPU_R8000
  919. select CPU_HAS_LLSC
  920. select CPU_HAS_PREFETCH
  921. select CPU_SUPPORTS_64BIT_KERNEL
  922. help
  923. MIPS Technologies R8000 processors. Note these processors are
  924. uncommon and the support for them is incomplete.
  925. config CPU_R10000
  926. bool "R10000"
  927. depends on SYS_HAS_CPU_R10000
  928. select CPU_HAS_LLSC
  929. select CPU_HAS_PREFETCH
  930. select CPU_SUPPORTS_32BIT_KERNEL
  931. select CPU_SUPPORTS_64BIT_KERNEL
  932. select CPU_SUPPORTS_HIGHMEM
  933. help
  934. MIPS Technologies R10000-series processors.
  935. config CPU_RM7000
  936. bool "RM7000"
  937. depends on SYS_HAS_CPU_RM7000
  938. select CPU_HAS_LLSC
  939. select CPU_HAS_PREFETCH
  940. select CPU_SUPPORTS_32BIT_KERNEL
  941. select CPU_SUPPORTS_64BIT_KERNEL
  942. select CPU_SUPPORTS_HIGHMEM
  943. config CPU_RM9000
  944. bool "RM9000"
  945. depends on SYS_HAS_CPU_RM9000
  946. select CPU_HAS_LLSC
  947. select CPU_HAS_PREFETCH
  948. select CPU_SUPPORTS_32BIT_KERNEL
  949. select CPU_SUPPORTS_64BIT_KERNEL
  950. select CPU_SUPPORTS_HIGHMEM
  951. select WEAK_ORDERING
  952. config CPU_SB1
  953. bool "SB1"
  954. depends on SYS_HAS_CPU_SB1
  955. select CPU_HAS_LLSC
  956. select CPU_SUPPORTS_32BIT_KERNEL
  957. select CPU_SUPPORTS_64BIT_KERNEL
  958. select CPU_SUPPORTS_HIGHMEM
  959. select WEAK_ORDERING
  960. endchoice
  961. config SYS_HAS_CPU_LOONGSON2
  962. bool
  963. config SYS_HAS_CPU_MIPS32_R1
  964. bool
  965. config SYS_HAS_CPU_MIPS32_R2
  966. bool
  967. config SYS_HAS_CPU_MIPS64_R1
  968. bool
  969. config SYS_HAS_CPU_MIPS64_R2
  970. bool
  971. config SYS_HAS_CPU_R3000
  972. bool
  973. config SYS_HAS_CPU_TX39XX
  974. bool
  975. config SYS_HAS_CPU_VR41XX
  976. bool
  977. config SYS_HAS_CPU_R4300
  978. bool
  979. config SYS_HAS_CPU_R4X00
  980. bool
  981. config SYS_HAS_CPU_TX49XX
  982. bool
  983. config SYS_HAS_CPU_R5000
  984. bool
  985. config SYS_HAS_CPU_R5432
  986. bool
  987. config SYS_HAS_CPU_R6000
  988. bool
  989. config SYS_HAS_CPU_NEVADA
  990. bool
  991. config SYS_HAS_CPU_R8000
  992. bool
  993. config SYS_HAS_CPU_R10000
  994. bool
  995. config SYS_HAS_CPU_RM7000
  996. bool
  997. config SYS_HAS_CPU_RM9000
  998. bool
  999. config SYS_HAS_CPU_SB1
  1000. bool
  1001. #
  1002. # CPU may reorder R->R, R->W, W->R, W->W
  1003. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1004. #
  1005. config WEAK_ORDERING
  1006. bool
  1007. #
  1008. # CPU may reorder reads and writes beyond LL/SC
  1009. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1010. #
  1011. config WEAK_REORDERING_BEYOND_LLSC
  1012. bool
  1013. endmenu
  1014. #
  1015. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1016. #
  1017. config CPU_MIPS32
  1018. bool
  1019. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1020. config CPU_MIPS64
  1021. bool
  1022. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1023. #
  1024. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1025. #
  1026. config CPU_MIPSR1
  1027. bool
  1028. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1029. config CPU_MIPSR2
  1030. bool
  1031. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1032. config SYS_SUPPORTS_32BIT_KERNEL
  1033. bool
  1034. config SYS_SUPPORTS_64BIT_KERNEL
  1035. bool
  1036. config CPU_SUPPORTS_32BIT_KERNEL
  1037. bool
  1038. config CPU_SUPPORTS_64BIT_KERNEL
  1039. bool
  1040. menu "Kernel type"
  1041. choice
  1042. prompt "Kernel code model"
  1043. help
  1044. You should only select this option if you have a workload that
  1045. actually benefits from 64-bit processing or if your machine has
  1046. large memory. You will only be presented a single option in this
  1047. menu if your system does not support both 32-bit and 64-bit kernels.
  1048. config 32BIT
  1049. bool "32-bit kernel"
  1050. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1051. select TRAD_SIGNALS
  1052. help
  1053. Select this option if you want to build a 32-bit kernel.
  1054. config 64BIT
  1055. bool "64-bit kernel"
  1056. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1057. help
  1058. Select this option if you want to build a 64-bit kernel.
  1059. endchoice
  1060. choice
  1061. prompt "Kernel page size"
  1062. default PAGE_SIZE_4KB
  1063. config PAGE_SIZE_4KB
  1064. bool "4kB"
  1065. help
  1066. This option select the standard 4kB Linux page size. On some
  1067. R3000-family processors this is the only available page size. Using
  1068. 4kB page size will minimize memory consumption and is therefore
  1069. recommended for low memory systems.
  1070. config PAGE_SIZE_8KB
  1071. bool "8kB"
  1072. depends on EXPERIMENTAL && CPU_R8000
  1073. help
  1074. Using 8kB page size will result in higher performance kernel at
  1075. the price of higher memory consumption. This option is available
  1076. only on the R8000 processor. Not that at the time of this writing
  1077. this option is still high experimental; there are also issues with
  1078. compatibility of user applications.
  1079. config PAGE_SIZE_16KB
  1080. bool "16kB"
  1081. depends on !CPU_R3000 && !CPU_TX39XX
  1082. help
  1083. Using 16kB page size will result in higher performance kernel at
  1084. the price of higher memory consumption. This option is available on
  1085. all non-R3000 family processors. Note that you will need a suitable
  1086. Linux distribution to support this.
  1087. config PAGE_SIZE_64KB
  1088. bool "64kB"
  1089. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1090. help
  1091. Using 64kB page size will result in higher performance kernel at
  1092. the price of higher memory consumption. This option is available on
  1093. all non-R3000 family processor. Not that at the time of this
  1094. writing this option is still high experimental.
  1095. endchoice
  1096. config BOARD_SCACHE
  1097. bool
  1098. config IP22_CPU_SCACHE
  1099. bool
  1100. select BOARD_SCACHE
  1101. #
  1102. # Support for a MIPS32 / MIPS64 style S-caches
  1103. #
  1104. config MIPS_CPU_SCACHE
  1105. bool
  1106. select BOARD_SCACHE
  1107. config R5000_CPU_SCACHE
  1108. bool
  1109. select BOARD_SCACHE
  1110. config RM7000_CPU_SCACHE
  1111. bool
  1112. select BOARD_SCACHE
  1113. config SIBYTE_DMA_PAGEOPS
  1114. bool "Use DMA to clear/copy pages"
  1115. depends on CPU_SB1
  1116. help
  1117. Instead of using the CPU to zero and copy pages, use a Data Mover
  1118. channel. These DMA channels are otherwise unused by the standard
  1119. SiByte Linux port. Seems to give a small performance benefit.
  1120. config CPU_HAS_PREFETCH
  1121. bool
  1122. choice
  1123. prompt "MIPS MT options"
  1124. config MIPS_MT_DISABLED
  1125. bool "Disable multithreading support."
  1126. help
  1127. Use this option if your workload can't take advantage of
  1128. MIPS hardware multithreading support. On systems that don't have
  1129. the option of an MT-enabled processor this option will be the only
  1130. option in this menu.
  1131. config MIPS_MT_SMP
  1132. bool "Use 1 TC on each available VPE for SMP"
  1133. depends on SYS_SUPPORTS_MULTITHREADING
  1134. select CPU_MIPSR2_IRQ_VI
  1135. select CPU_MIPSR2_IRQ_EI
  1136. select CPU_MIPSR2_SRS
  1137. select MIPS_MT
  1138. select NR_CPUS_DEFAULT_2
  1139. select SMP
  1140. select SYS_SUPPORTS_SMP
  1141. help
  1142. This is a kernel model which is also known a VSMP or lately
  1143. has been marketesed into SMVP.
  1144. config MIPS_MT_SMTC
  1145. bool "SMTC: Use all TCs on all VPEs for SMP"
  1146. depends on CPU_MIPS32_R2
  1147. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1148. depends on SYS_SUPPORTS_MULTITHREADING
  1149. select CPU_MIPSR2_IRQ_VI
  1150. select CPU_MIPSR2_IRQ_EI
  1151. select CPU_MIPSR2_SRS
  1152. select MIPS_MT
  1153. select NR_CPUS_DEFAULT_8
  1154. select SMP
  1155. select SYS_SUPPORTS_SMP
  1156. help
  1157. This is a kernel model which is known a SMTC or lately has been
  1158. marketesed into SMVP.
  1159. endchoice
  1160. config MIPS_MT
  1161. bool
  1162. config SYS_SUPPORTS_MULTITHREADING
  1163. bool
  1164. config MIPS_MT_FPAFF
  1165. bool "Dynamic FPU affinity for FP-intensive threads"
  1166. default y
  1167. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1168. config MIPS_VPE_LOADER
  1169. bool "VPE loader support."
  1170. depends on SYS_SUPPORTS_MULTITHREADING
  1171. select CPU_MIPSR2_IRQ_VI
  1172. select CPU_MIPSR2_IRQ_EI
  1173. select CPU_MIPSR2_SRS
  1174. select MIPS_MT
  1175. help
  1176. Includes a loader for loading an elf relocatable object
  1177. onto another VPE and running it.
  1178. config MIPS_MT_SMTC_INSTANT_REPLAY
  1179. bool "Low-latency Dispatch of Deferred SMTC IPIs"
  1180. depends on MIPS_MT_SMTC && !PREEMPT
  1181. default y
  1182. help
  1183. SMTC pseudo-interrupts between TCs are deferred and queued
  1184. if the target TC is interrupt-inhibited (IXMT). In the first
  1185. SMTC prototypes, these queued IPIs were serviced on return
  1186. to user mode, or on entry into the kernel idle loop. The
  1187. INSTANT_REPLAY option dispatches them as part of local_irq_restore()
  1188. processing, which adds runtime overhead (hence the option to turn
  1189. it off), but ensures that IPIs are handled promptly even under
  1190. heavy I/O interrupt load.
  1191. config MIPS_MT_SMTC_IM_BACKSTOP
  1192. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1193. depends on MIPS_MT_SMTC
  1194. default y
  1195. help
  1196. To support multiple TC microthreads acting as "CPUs" within
  1197. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1198. during interrupt handling. To support legacy drivers and interrupt
  1199. controller management code, SMTC has a "backstop" to track and
  1200. if necessary restore the interrupt mask. This has some performance
  1201. impact on interrupt service overhead. Disable it only if you know
  1202. what you are doing.
  1203. config MIPS_VPE_LOADER_TOM
  1204. bool "Load VPE program into memory hidden from linux"
  1205. depends on MIPS_VPE_LOADER
  1206. default y
  1207. help
  1208. The loader can use memory that is present but has been hidden from
  1209. Linux using the kernel command line option "mem=xxMB". It's up to
  1210. you to ensure the amount you put in the option and the space your
  1211. program requires is less or equal to the amount physically present.
  1212. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1213. config MIPS_VPE_APSP_API
  1214. bool "Enable support for AP/SP API (RTLX)"
  1215. depends on MIPS_VPE_LOADER
  1216. help
  1217. config MIPS_APSP_KSPD
  1218. bool "Enable KSPD"
  1219. depends on MIPS_VPE_APSP_API
  1220. default y
  1221. help
  1222. KSPD is a kernel daemon that accepts syscall requests from the SP
  1223. side, actions them and returns the results. It also handles the
  1224. "exit" syscall notifying other kernel modules the SP program is
  1225. exiting. You probably want to say yes here.
  1226. config SB1_PASS_1_WORKAROUNDS
  1227. bool
  1228. depends on CPU_SB1_PASS_1
  1229. default y
  1230. config SB1_PASS_2_WORKAROUNDS
  1231. bool
  1232. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1233. default y
  1234. config SB1_PASS_2_1_WORKAROUNDS
  1235. bool
  1236. depends on CPU_SB1 && CPU_SB1_PASS_2
  1237. default y
  1238. config 64BIT_PHYS_ADDR
  1239. bool
  1240. config CPU_HAS_LLSC
  1241. bool
  1242. config CPU_HAS_SMARTMIPS
  1243. depends on SYS_SUPPORTS_SMARTMIPS
  1244. bool "Support for the SmartMIPS ASE"
  1245. help
  1246. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1247. increased security at both hardware and software level for
  1248. smartcards. Enabling this option will allow proper use of the
  1249. SmartMIPS instructions by Linux applications. However a kernel with
  1250. this option will not work on a MIPS core without SmartMIPS core. If
  1251. you don't know you probably don't have SmartMIPS and should say N
  1252. here.
  1253. config CPU_HAS_WB
  1254. bool
  1255. config 64BIT_CONTEXT
  1256. bool "Save 64bit integer registers"
  1257. depends on 32BIT && CPU_LOONGSON2
  1258. help
  1259. Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
  1260. registers can still be accessed as 64bit, mainly for multimedia
  1261. instructions. We must have all 64bit save/restored to make sure
  1262. those instructions to get correct result.
  1263. #
  1264. # Vectored interrupt mode is an R2 feature
  1265. #
  1266. config CPU_MIPSR2_IRQ_VI
  1267. bool
  1268. #
  1269. # Extended interrupt mode is an R2 feature
  1270. #
  1271. config CPU_MIPSR2_IRQ_EI
  1272. bool
  1273. #
  1274. # Shadow registers are an R2 feature
  1275. #
  1276. config CPU_MIPSR2_SRS
  1277. bool
  1278. config CPU_HAS_SYNC
  1279. bool
  1280. depends on !CPU_R3000
  1281. default y
  1282. #
  1283. # Use the generic interrupt handling code in kernel/irq/:
  1284. #
  1285. config GENERIC_HARDIRQS
  1286. bool
  1287. default y
  1288. config GENERIC_IRQ_PROBE
  1289. bool
  1290. default y
  1291. config IRQ_PER_CPU
  1292. bool
  1293. #
  1294. # - Highmem only makes sense for the 32-bit kernel.
  1295. # - The current highmem code will only work properly on physically indexed
  1296. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1297. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1298. # moment we protect the user and offer the highmem option only on machines
  1299. # where it's known to be safe. This will not offer highmem on a few systems
  1300. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1301. # indexed CPUs but we're playing safe.
  1302. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1303. # know they might have memory configurations that could make use of highmem
  1304. # support.
  1305. #
  1306. config HIGHMEM
  1307. bool "High Memory Support"
  1308. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1309. config CPU_SUPPORTS_HIGHMEM
  1310. bool
  1311. config SYS_SUPPORTS_HIGHMEM
  1312. bool
  1313. config SYS_SUPPORTS_SMARTMIPS
  1314. bool
  1315. config ARCH_FLATMEM_ENABLE
  1316. def_bool y
  1317. depends on !NUMA
  1318. config ARCH_DISCONTIGMEM_ENABLE
  1319. bool
  1320. default y if SGI_IP27
  1321. help
  1322. Say Y to support efficient handling of discontiguous physical memory,
  1323. for architectures which are either NUMA (Non-Uniform Memory Access)
  1324. or have huge holes in the physical address space for other reasons.
  1325. See <file:Documentation/vm/numa> for more.
  1326. config ARCH_SPARSEMEM_ENABLE
  1327. bool
  1328. select SPARSEMEM_STATIC
  1329. config NUMA
  1330. bool "NUMA Support"
  1331. depends on SYS_SUPPORTS_NUMA
  1332. help
  1333. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1334. Access). This option improves performance on systems with more
  1335. than two nodes; on two node systems it is generally better to
  1336. leave it disabled; on single node systems disable this option
  1337. disabled.
  1338. config SYS_SUPPORTS_NUMA
  1339. bool
  1340. config NODES_SHIFT
  1341. int
  1342. default "6"
  1343. depends on NEED_MULTIPLE_NODES
  1344. source "mm/Kconfig"
  1345. config SMP
  1346. bool "Multi-Processing support"
  1347. depends on SYS_SUPPORTS_SMP
  1348. select IRQ_PER_CPU
  1349. help
  1350. This enables support for systems with more than one CPU. If you have
  1351. a system with only one CPU, like most personal computers, say N. If
  1352. you have a system with more than one CPU, say Y.
  1353. If you say N here, the kernel will run on single and multiprocessor
  1354. machines, but will use only one CPU of a multiprocessor machine. If
  1355. you say Y here, the kernel will run on many, but not all,
  1356. singleprocessor machines. On a singleprocessor machine, the kernel
  1357. will run faster if you say N here.
  1358. People using multiprocessor machines who say Y here should also say
  1359. Y to "Enhanced Real Time Clock Support", below.
  1360. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1361. available at <http://www.tldp.org/docs.html#howto>.
  1362. If you don't know what to do here, say N.
  1363. config SYS_SUPPORTS_SMP
  1364. bool
  1365. config NR_CPUS_DEFAULT_1
  1366. bool
  1367. config NR_CPUS_DEFAULT_2
  1368. bool
  1369. config NR_CPUS_DEFAULT_4
  1370. bool
  1371. config NR_CPUS_DEFAULT_8
  1372. bool
  1373. config NR_CPUS_DEFAULT_16
  1374. bool
  1375. config NR_CPUS_DEFAULT_32
  1376. bool
  1377. config NR_CPUS_DEFAULT_64
  1378. bool
  1379. config NR_CPUS
  1380. int "Maximum number of CPUs (2-64)"
  1381. range 1 64 if NR_CPUS_DEFAULT_1
  1382. depends on SMP
  1383. default "1" if NR_CPUS_DEFAULT_1
  1384. default "2" if NR_CPUS_DEFAULT_2
  1385. default "4" if NR_CPUS_DEFAULT_4
  1386. default "8" if NR_CPUS_DEFAULT_8
  1387. default "16" if NR_CPUS_DEFAULT_16
  1388. default "32" if NR_CPUS_DEFAULT_32
  1389. default "64" if NR_CPUS_DEFAULT_64
  1390. help
  1391. This allows you to specify the maximum number of CPUs which this
  1392. kernel will support. The maximum supported value is 32 for 32-bit
  1393. kernel and 64 for 64-bit kernels; the minimum value which makes
  1394. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1395. and 2 for all others.
  1396. This is purely to save memory - each supported CPU adds
  1397. approximately eight kilobytes to the kernel image. For best
  1398. performance should round up your number of processors to the next
  1399. power of two.
  1400. #
  1401. # Timer Interrupt Frequency Configuration
  1402. #
  1403. choice
  1404. prompt "Timer frequency"
  1405. default HZ_250
  1406. help
  1407. Allows the configuration of the timer frequency.
  1408. config HZ_48
  1409. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1410. config HZ_100
  1411. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1412. config HZ_128
  1413. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1414. config HZ_250
  1415. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1416. config HZ_256
  1417. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1418. config HZ_1000
  1419. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1420. config HZ_1024
  1421. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1422. endchoice
  1423. config SYS_SUPPORTS_48HZ
  1424. bool
  1425. config SYS_SUPPORTS_100HZ
  1426. bool
  1427. config SYS_SUPPORTS_128HZ
  1428. bool
  1429. config SYS_SUPPORTS_250HZ
  1430. bool
  1431. config SYS_SUPPORTS_256HZ
  1432. bool
  1433. config SYS_SUPPORTS_1000HZ
  1434. bool
  1435. config SYS_SUPPORTS_1024HZ
  1436. bool
  1437. config SYS_SUPPORTS_ARBIT_HZ
  1438. bool
  1439. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1440. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1441. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1442. !SYS_SUPPORTS_1024HZ
  1443. config HZ
  1444. int
  1445. default 48 if HZ_48
  1446. default 100 if HZ_100
  1447. default 128 if HZ_128
  1448. default 250 if HZ_250
  1449. default 256 if HZ_256
  1450. default 1000 if HZ_1000
  1451. default 1024 if HZ_1024
  1452. source "kernel/Kconfig.preempt"
  1453. config MIPS_INSANE_LARGE
  1454. bool "Support for large 64-bit configurations"
  1455. depends on CPU_R10000 && 64BIT
  1456. help
  1457. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1458. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1459. need processes of more than 1TB virtual address space, say Y here.
  1460. This will result in additional memory usage, so it is not
  1461. recommended for normal users.
  1462. config KEXEC
  1463. bool "Kexec system call (EXPERIMENTAL)"
  1464. depends on EXPERIMENTAL
  1465. help
  1466. kexec is a system call that implements the ability to shutdown your
  1467. current kernel, and to start another kernel. It is like a reboot
  1468. but it is independent of the system firmware. And like a reboot
  1469. you can start any kernel with it, not just Linux.
  1470. The name comes from the similiarity to the exec system call.
  1471. It is an ongoing process to be certain the hardware in a machine
  1472. is properly shutdown, so do not be surprised if this code does not
  1473. initially work for you. It may help to enable device hotplugging
  1474. support. As of this writing the exact hardware interface is
  1475. strongly in flux, so no good recommendation can be made.
  1476. config SECCOMP
  1477. bool "Enable seccomp to safely compute untrusted bytecode"
  1478. depends on PROC_FS
  1479. default y
  1480. help
  1481. This kernel feature is useful for number crunching applications
  1482. that may need to compute untrusted bytecode during their
  1483. execution. By using pipes or other transports made available to
  1484. the process as file descriptors supporting the read/write
  1485. syscalls, it's possible to isolate those applications in
  1486. their own address space using seccomp. Once seccomp is
  1487. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1488. and the task is only allowed to execute a few safe syscalls
  1489. defined by each seccomp mode.
  1490. If unsure, say Y. Only embedded should say N here.
  1491. endmenu
  1492. config RWSEM_GENERIC_SPINLOCK
  1493. bool
  1494. default y
  1495. config LOCKDEP_SUPPORT
  1496. bool
  1497. default y
  1498. config STACKTRACE_SUPPORT
  1499. bool
  1500. default y
  1501. source "init/Kconfig"
  1502. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1503. config HW_HAS_EISA
  1504. bool
  1505. config HW_HAS_PCI
  1506. bool
  1507. config PCI
  1508. bool "Support for PCI controller"
  1509. depends on HW_HAS_PCI
  1510. help
  1511. Find out whether you have a PCI motherboard. PCI is the name of a
  1512. bus system, i.e. the way the CPU talks to the other stuff inside
  1513. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1514. say Y, otherwise N.
  1515. The PCI-HOWTO, available from
  1516. <http://www.tldp.org/docs.html#howto>, contains valuable
  1517. information about which PCI hardware does work under Linux and which
  1518. doesn't.
  1519. config PCI_DOMAINS
  1520. bool
  1521. depends on PCI
  1522. source "drivers/pci/Kconfig"
  1523. #
  1524. # ISA support is now enabled via select. Too many systems still have the one
  1525. # or other ISA chip on the board that users don't know about so don't expect
  1526. # users to choose the right thing ...
  1527. #
  1528. config ISA
  1529. bool
  1530. config EISA
  1531. bool "EISA support"
  1532. depends on HW_HAS_EISA
  1533. select ISA
  1534. select GENERIC_ISA_DMA
  1535. ---help---
  1536. The Extended Industry Standard Architecture (EISA) bus was
  1537. developed as an open alternative to the IBM MicroChannel bus.
  1538. The EISA bus provided some of the features of the IBM MicroChannel
  1539. bus while maintaining backward compatibility with cards made for
  1540. the older ISA bus. The EISA bus saw limited use between 1988 and
  1541. 1995 when it was made obsolete by the PCI bus.
  1542. Say Y here if you are building a kernel for an EISA-based machine.
  1543. Otherwise, say N.
  1544. source "drivers/eisa/Kconfig"
  1545. config TC
  1546. bool "TURBOchannel support"
  1547. depends on MACH_DECSTATION
  1548. help
  1549. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1550. processors. Documentation on writing device drivers for TurboChannel
  1551. is available at:
  1552. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1553. #config ACCESSBUS
  1554. # bool "Access.Bus support"
  1555. # depends on TC
  1556. config MMU
  1557. bool
  1558. default y
  1559. config PCSPEAKER
  1560. bool
  1561. source "drivers/pcmcia/Kconfig"
  1562. source "drivers/pci/hotplug/Kconfig"
  1563. endmenu
  1564. menu "Executable file formats"
  1565. source "fs/Kconfig.binfmt"
  1566. config TRAD_SIGNALS
  1567. bool
  1568. config BUILD_ELF64
  1569. bool "Use 64-bit ELF format for building"
  1570. depends on 64BIT
  1571. help
  1572. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1573. format as it's one that allows arbitrary 64-bit constructs. For
  1574. kernels that are loaded within the KSEG compatibility segments the
  1575. 32-bit ELF format can optionally be used resulting in a somewhat
  1576. smaller binary, but this option is not explicitly supported by the
  1577. toolchain and since binutils 2.14 it does not even work at all.
  1578. Say Y to use the 64-bit format or N to use the 32-bit one.
  1579. If unsure say Y.
  1580. config BINFMT_IRIX
  1581. bool "Include IRIX binary compatibility"
  1582. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1583. config MIPS32_COMPAT
  1584. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1585. depends on 64BIT
  1586. help
  1587. Select this option if you want Linux/MIPS 32-bit binary
  1588. compatibility. Since all software available for Linux/MIPS is
  1589. currently 32-bit you should say Y here.
  1590. config COMPAT
  1591. bool
  1592. depends on MIPS32_COMPAT
  1593. default y
  1594. config SYSVIPC_COMPAT
  1595. bool
  1596. depends on COMPAT && SYSVIPC
  1597. default y
  1598. config MIPS32_O32
  1599. bool "Kernel support for o32 binaries"
  1600. depends on MIPS32_COMPAT
  1601. help
  1602. Select this option if you want to run o32 binaries. These are pure
  1603. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1604. existing binaries are in this format.
  1605. If unsure, say Y.
  1606. config MIPS32_N32
  1607. bool "Kernel support for n32 binaries"
  1608. depends on MIPS32_COMPAT
  1609. help
  1610. Select this option if you want to run n32 binaries. These are
  1611. 64-bit binaries using 32-bit quantities for addressing and certain
  1612. data that would normally be 64-bit. They are used in special
  1613. cases.
  1614. If unsure, say N.
  1615. config BINFMT_ELF32
  1616. bool
  1617. default y if MIPS32_O32 || MIPS32_N32
  1618. endmenu
  1619. menu "Power management options"
  1620. source "kernel/power/Kconfig"
  1621. endmenu
  1622. source "net/Kconfig"
  1623. source "drivers/Kconfig"
  1624. source "fs/Kconfig"
  1625. source "arch/mips/oprofile/Kconfig"
  1626. source "arch/mips/Kconfig.debug"
  1627. source "security/Kconfig"
  1628. source "crypto/Kconfig"
  1629. source "lib/Kconfig"