Kconfig 46 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_IDE
  5. select HAVE_OPROFILE
  6. select HAVE_ARCH_KGDB
  7. # Horrible source of confusion. Die, die, die ...
  8. select EMBEDDED
  9. select RTC_LIB
  10. mainmenu "Linux/MIPS Kernel Configuration"
  11. menu "Machine selection"
  12. config ZONE_DMA
  13. bool
  14. choice
  15. prompt "System type"
  16. default SGI_IP22
  17. config MACH_ALCHEMY
  18. bool "Alchemy processor based machines"
  19. config BASLER_EXCITE
  20. bool "Basler eXcite smart camera"
  21. select CEVT_R4K
  22. select CSRC_R4K
  23. select DMA_COHERENT
  24. select HW_HAS_PCI
  25. select IRQ_CPU
  26. select IRQ_CPU_RM7K
  27. select IRQ_CPU_RM9K
  28. select MIPS_RM9122
  29. select SYS_HAS_CPU_RM9000
  30. select SYS_SUPPORTS_32BIT_KERNEL
  31. select SYS_SUPPORTS_BIG_ENDIAN
  32. help
  33. The eXcite is a smart camera platform manufactured by
  34. Basler Vision Technologies AG.
  35. config BCM47XX
  36. bool "BCM47XX based boards"
  37. select CEVT_R4K
  38. select CSRC_R4K
  39. select DMA_NONCOHERENT
  40. select HW_HAS_PCI
  41. select IRQ_CPU
  42. select SYS_HAS_CPU_MIPS32_R1
  43. select SYS_SUPPORTS_32BIT_KERNEL
  44. select SYS_SUPPORTS_LITTLE_ENDIAN
  45. select SSB
  46. select SSB_DRIVER_MIPS
  47. select SSB_DRIVER_EXTIF
  48. select SSB_PCICORE_HOSTMODE if PCI
  49. select GENERIC_GPIO
  50. select SYS_HAS_EARLY_PRINTK
  51. select CFE
  52. help
  53. Support for BCM47XX based boards
  54. config MIPS_COBALT
  55. bool "Cobalt Server"
  56. select CEVT_R4K
  57. select CSRC_R4K
  58. select CEVT_GT641XX
  59. select DMA_NONCOHERENT
  60. select HW_HAS_PCI
  61. select I8253
  62. select I8259
  63. select IRQ_CPU
  64. select IRQ_GT641XX
  65. select PCI_GT64XXX_PCI0
  66. select SYS_HAS_CPU_NEVADA
  67. select SYS_HAS_EARLY_PRINTK
  68. select SYS_SUPPORTS_32BIT_KERNEL
  69. select SYS_SUPPORTS_64BIT_KERNEL
  70. select SYS_SUPPORTS_LITTLE_ENDIAN
  71. select GENERIC_HARDIRQS_NO__DO_IRQ
  72. config MACH_DECSTATION
  73. bool "DECstations"
  74. select BOOT_ELF32
  75. select CEVT_DS1287
  76. select CEVT_R4K
  77. select CSRC_IOASIC
  78. select CSRC_R4K
  79. select CPU_DADDI_WORKAROUNDS if 64BIT
  80. select CPU_R4000_WORKAROUNDS if 64BIT
  81. select CPU_R4400_WORKAROUNDS if 64BIT
  82. select DMA_NONCOHERENT
  83. select NO_IOPORT
  84. select IRQ_CPU
  85. select SYS_HAS_CPU_R3000
  86. select SYS_HAS_CPU_R4X00
  87. select SYS_SUPPORTS_32BIT_KERNEL
  88. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  89. select SYS_SUPPORTS_LITTLE_ENDIAN
  90. select SYS_SUPPORTS_128HZ
  91. select SYS_SUPPORTS_256HZ
  92. select SYS_SUPPORTS_1024HZ
  93. help
  94. This enables support for DEC's MIPS based workstations. For details
  95. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  96. DECstation porting pages on <http://decstation.unix-ag.org/>.
  97. If you have one of the following DECstation Models you definitely
  98. want to choose R4xx0 for the CPU Type:
  99. DECstation 5000/50
  100. DECstation 5000/150
  101. DECstation 5000/260
  102. DECsystem 5900/260
  103. otherwise choose R3000.
  104. config MACH_JAZZ
  105. bool "Jazz family of machines"
  106. select ARC
  107. select ARC32
  108. select ARCH_MAY_HAVE_PC_FDC
  109. select CEVT_R4K
  110. select CSRC_R4K
  111. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  112. select GENERIC_ISA_DMA
  113. select IRQ_CPU
  114. select I8253
  115. select I8259
  116. select ISA
  117. select SYS_HAS_CPU_R4X00
  118. select SYS_SUPPORTS_32BIT_KERNEL
  119. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  120. select SYS_SUPPORTS_100HZ
  121. select GENERIC_HARDIRQS_NO__DO_IRQ
  122. help
  123. This a family of machines based on the MIPS R4030 chipset which was
  124. used by several vendors to build RISC/os and Windows NT workstations.
  125. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  126. Olivetti M700-10 workstations.
  127. config LASAT
  128. bool "LASAT Networks platforms"
  129. select CEVT_R4K
  130. select CSRC_R4K
  131. select DMA_NONCOHERENT
  132. select SYS_HAS_EARLY_PRINTK
  133. select HW_HAS_PCI
  134. select IRQ_CPU
  135. select PCI_GT64XXX_PCI0
  136. select MIPS_NILE4
  137. select R5000_CPU_SCACHE
  138. select SYS_HAS_CPU_R5000
  139. select SYS_SUPPORTS_32BIT_KERNEL
  140. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  141. select SYS_SUPPORTS_LITTLE_ENDIAN
  142. select GENERIC_HARDIRQS_NO__DO_IRQ
  143. config LEMOTE_FULONG
  144. bool "Lemote Fulong mini-PC"
  145. select ARCH_SPARSEMEM_ENABLE
  146. select CEVT_R4K
  147. select CSRC_R4K
  148. select SYS_HAS_CPU_LOONGSON2
  149. select DMA_NONCOHERENT
  150. select BOOT_ELF32
  151. select BOARD_SCACHE
  152. select HAVE_STD_PC_SERIAL_PORT
  153. select HW_HAS_PCI
  154. select I8259
  155. select ISA
  156. select IRQ_CPU
  157. select SYS_SUPPORTS_32BIT_KERNEL
  158. select SYS_SUPPORTS_64BIT_KERNEL
  159. select SYS_SUPPORTS_LITTLE_ENDIAN
  160. select SYS_SUPPORTS_HIGHMEM
  161. select SYS_HAS_EARLY_PRINTK
  162. select GENERIC_HARDIRQS_NO__DO_IRQ
  163. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  164. select CPU_HAS_WB
  165. help
  166. Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
  167. an FPGA northbridge
  168. config MIPS_MALTA
  169. bool "MIPS Malta board"
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select BOOT_ELF32
  172. select BOOT_RAW
  173. select CEVT_R4K
  174. select CSRC_R4K
  175. select DMA_NONCOHERENT
  176. select GENERIC_ISA_DMA
  177. select IRQ_CPU
  178. select IRQ_GIC
  179. select HW_HAS_PCI
  180. select I8253
  181. select I8259
  182. select MIPS_BOARDS_GEN
  183. select MIPS_BONITO64
  184. select MIPS_CPU_SCACHE
  185. select PCI_GT64XXX_PCI0
  186. select MIPS_MSC
  187. select SWAP_IO_SPACE
  188. select SYS_HAS_CPU_MIPS32_R1
  189. select SYS_HAS_CPU_MIPS32_R2
  190. select SYS_HAS_CPU_MIPS64_R1
  191. select SYS_HAS_CPU_NEVADA
  192. select SYS_HAS_CPU_RM7000
  193. select SYS_HAS_EARLY_PRINTK
  194. select SYS_SUPPORTS_32BIT_KERNEL
  195. select SYS_SUPPORTS_64BIT_KERNEL
  196. select SYS_SUPPORTS_BIG_ENDIAN
  197. select SYS_SUPPORTS_LITTLE_ENDIAN
  198. select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
  199. select SYS_SUPPORTS_MULTITHREADING
  200. select SYS_SUPPORTS_SMARTMIPS
  201. help
  202. This enables support for the MIPS Technologies Malta evaluation
  203. board.
  204. config MIPS_SIM
  205. bool 'MIPS simulator (MIPSsim)'
  206. select CEVT_R4K
  207. select CSRC_R4K
  208. select DMA_NONCOHERENT
  209. select SYS_HAS_EARLY_PRINTK
  210. select IRQ_CPU
  211. select BOOT_RAW
  212. select SYS_HAS_CPU_MIPS32_R1
  213. select SYS_HAS_CPU_MIPS32_R2
  214. select SYS_HAS_EARLY_PRINTK
  215. select SYS_SUPPORTS_32BIT_KERNEL
  216. select SYS_SUPPORTS_BIG_ENDIAN
  217. select SYS_SUPPORTS_MULTITHREADING
  218. select SYS_SUPPORTS_LITTLE_ENDIAN
  219. help
  220. This option enables support for MIPS Technologies MIPSsim software
  221. emulator.
  222. config MARKEINS
  223. bool "NEC EMMA2RH Mark-eins"
  224. select CEVT_R4K
  225. select CSRC_R4K
  226. select DMA_NONCOHERENT
  227. select HW_HAS_PCI
  228. select IRQ_CPU
  229. select SWAP_IO_SPACE
  230. select SYS_SUPPORTS_32BIT_KERNEL
  231. select SYS_SUPPORTS_BIG_ENDIAN
  232. select SYS_SUPPORTS_LITTLE_ENDIAN
  233. select SYS_HAS_CPU_R5000
  234. help
  235. This enables support for the R5432-based NEC Mark-eins
  236. boards with R5500 CPU.
  237. config MACH_VR41XX
  238. bool "NEC VR4100 series based machines"
  239. select CEVT_R4K
  240. select CSRC_R4K
  241. select SYS_HAS_CPU_VR41XX
  242. select GENERIC_HARDIRQS_NO__DO_IRQ
  243. config PNX8550_JBS
  244. bool "NXP PNX8550 based JBS board"
  245. select PNX8550
  246. select SYS_SUPPORTS_LITTLE_ENDIAN
  247. config PNX8550_STB810
  248. bool "NXP PNX8550 based STB810 board"
  249. select PNX8550
  250. select SYS_SUPPORTS_LITTLE_ENDIAN
  251. config PMC_MSP
  252. bool "PMC-Sierra MSP chipsets"
  253. depends on EXPERIMENTAL
  254. select DMA_NONCOHERENT
  255. select SWAP_IO_SPACE
  256. select NO_EXCEPT_FILL
  257. select BOOT_RAW
  258. select SYS_HAS_CPU_MIPS32_R1
  259. select SYS_HAS_CPU_MIPS32_R2
  260. select SYS_SUPPORTS_32BIT_KERNEL
  261. select SYS_SUPPORTS_BIG_ENDIAN
  262. select IRQ_CPU
  263. select SERIAL_8250
  264. select SERIAL_8250_CONSOLE
  265. help
  266. This adds support for the PMC-Sierra family of Multi-Service
  267. Processor System-On-A-Chips. These parts include a number
  268. of integrated peripherals, interfaces and DSPs in addition to
  269. a variety of MIPS cores.
  270. config PMC_YOSEMITE
  271. bool "PMC-Sierra Yosemite eval board"
  272. select CEVT_R4K
  273. select CSRC_R4K
  274. select DMA_COHERENT
  275. select HW_HAS_PCI
  276. select IRQ_CPU
  277. select IRQ_CPU_RM7K
  278. select IRQ_CPU_RM9K
  279. select SWAP_IO_SPACE
  280. select SYS_HAS_CPU_RM9000
  281. select SYS_HAS_EARLY_PRINTK
  282. select SYS_SUPPORTS_32BIT_KERNEL
  283. select SYS_SUPPORTS_64BIT_KERNEL
  284. select SYS_SUPPORTS_BIG_ENDIAN
  285. select SYS_SUPPORTS_HIGHMEM
  286. select SYS_SUPPORTS_SMP
  287. help
  288. Yosemite is an evaluation board for the RM9000x2 processor
  289. manufactured by PMC-Sierra.
  290. config SGI_IP22
  291. bool "SGI IP22 (Indy/Indigo2)"
  292. select ARC
  293. select ARC32
  294. select BOOT_ELF32
  295. select CEVT_R4K
  296. select CSRC_R4K
  297. select DEFAULT_SGI_PARTITION
  298. select DMA_NONCOHERENT
  299. select HW_HAS_EISA
  300. select I8253
  301. select I8259
  302. select IP22_CPU_SCACHE
  303. select IRQ_CPU
  304. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  305. select SGI_HAS_DS1286
  306. select SGI_HAS_I8042
  307. select SGI_HAS_INDYDOG
  308. select SGI_HAS_HAL2
  309. select SGI_HAS_SEEQ
  310. select SGI_HAS_WD93
  311. select SGI_HAS_ZILOG
  312. select SWAP_IO_SPACE
  313. select SYS_HAS_CPU_R4X00
  314. select SYS_HAS_CPU_R5000
  315. select SYS_HAS_EARLY_PRINTK
  316. select SYS_SUPPORTS_32BIT_KERNEL
  317. select SYS_SUPPORTS_64BIT_KERNEL
  318. select SYS_SUPPORTS_BIG_ENDIAN
  319. help
  320. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  321. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  322. that runs on these, say Y here.
  323. config SGI_IP27
  324. bool "SGI IP27 (Origin200/2000)"
  325. select ARC
  326. select ARC64
  327. select BOOT_ELF64
  328. select DEFAULT_SGI_PARTITION
  329. select DMA_IP27
  330. select SYS_HAS_EARLY_PRINTK
  331. select HW_HAS_PCI
  332. select NR_CPUS_DEFAULT_64
  333. select SYS_HAS_CPU_R10000
  334. select SYS_SUPPORTS_64BIT_KERNEL
  335. select SYS_SUPPORTS_BIG_ENDIAN
  336. select SYS_SUPPORTS_NUMA
  337. select SYS_SUPPORTS_SMP
  338. select GENERIC_HARDIRQS_NO__DO_IRQ
  339. help
  340. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  341. workstations. To compile a Linux kernel that runs on these, say Y
  342. here.
  343. config SGI_IP28
  344. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  345. depends on EXPERIMENTAL
  346. select ARC
  347. select ARC64
  348. select BOOT_ELF64
  349. select CEVT_R4K
  350. select CSRC_R4K
  351. select DEFAULT_SGI_PARTITION
  352. select DMA_NONCOHERENT
  353. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  354. select IRQ_CPU
  355. select HW_HAS_EISA
  356. select I8253
  357. select I8259
  358. select SGI_HAS_DS1286
  359. select SGI_HAS_I8042
  360. select SGI_HAS_INDYDOG
  361. select SGI_HAS_HAL2
  362. select SGI_HAS_SEEQ
  363. select SGI_HAS_WD93
  364. select SGI_HAS_ZILOG
  365. select SWAP_IO_SPACE
  366. select SYS_HAS_CPU_R10000
  367. select SYS_HAS_EARLY_PRINTK
  368. select SYS_SUPPORTS_64BIT_KERNEL
  369. select SYS_SUPPORTS_BIG_ENDIAN
  370. help
  371. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  372. kernel that runs on these, say Y here.
  373. config SGI_IP32
  374. bool "SGI IP32 (O2)"
  375. select ARC
  376. select ARC32
  377. select BOOT_ELF32
  378. select CEVT_R4K
  379. select CSRC_R4K
  380. select DMA_NONCOHERENT
  381. select HW_HAS_PCI
  382. select IRQ_CPU
  383. select R5000_CPU_SCACHE
  384. select RM7000_CPU_SCACHE
  385. select SYS_HAS_CPU_R5000
  386. select SYS_HAS_CPU_R10000 if BROKEN
  387. select SYS_HAS_CPU_RM7000
  388. select SYS_HAS_CPU_NEVADA
  389. select SYS_SUPPORTS_64BIT_KERNEL
  390. select SYS_SUPPORTS_BIG_ENDIAN
  391. help
  392. If you want this kernel to run on SGI O2 workstation, say Y here.
  393. config SIBYTE_CRHINE
  394. bool "Sibyte BCM91120C-CRhine"
  395. depends on EXPERIMENTAL
  396. select BOOT_ELF32
  397. select DMA_COHERENT
  398. select SIBYTE_BCM1120
  399. select SWAP_IO_SPACE
  400. select SYS_HAS_CPU_SB1
  401. select SYS_SUPPORTS_BIG_ENDIAN
  402. select SYS_SUPPORTS_LITTLE_ENDIAN
  403. config SIBYTE_CARMEL
  404. bool "Sibyte BCM91120x-Carmel"
  405. depends on EXPERIMENTAL
  406. select BOOT_ELF32
  407. select DMA_COHERENT
  408. select SIBYTE_BCM1120
  409. select SWAP_IO_SPACE
  410. select SYS_HAS_CPU_SB1
  411. select SYS_SUPPORTS_BIG_ENDIAN
  412. select SYS_SUPPORTS_LITTLE_ENDIAN
  413. config SIBYTE_CRHONE
  414. bool "Sibyte BCM91125C-CRhone"
  415. depends on EXPERIMENTAL
  416. select BOOT_ELF32
  417. select DMA_COHERENT
  418. select SIBYTE_BCM1125
  419. select SWAP_IO_SPACE
  420. select SYS_HAS_CPU_SB1
  421. select SYS_SUPPORTS_BIG_ENDIAN
  422. select SYS_SUPPORTS_HIGHMEM
  423. select SYS_SUPPORTS_LITTLE_ENDIAN
  424. config SIBYTE_RHONE
  425. bool "Sibyte BCM91125E-Rhone"
  426. depends on EXPERIMENTAL
  427. select BOOT_ELF32
  428. select DMA_COHERENT
  429. select SIBYTE_BCM1125H
  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_SWARM
  435. bool "Sibyte BCM91250A-SWARM"
  436. select BOOT_ELF32
  437. select DMA_COHERENT
  438. select NR_CPUS_DEFAULT_2
  439. select SIBYTE_SB1250
  440. select SWAP_IO_SPACE
  441. select SYS_HAS_CPU_SB1
  442. select SYS_SUPPORTS_BIG_ENDIAN
  443. select SYS_SUPPORTS_HIGHMEM
  444. select SYS_SUPPORTS_LITTLE_ENDIAN
  445. select ZONE_DMA32 if 64BIT
  446. config SIBYTE_LITTLESUR
  447. bool "Sibyte BCM91250C2-LittleSur"
  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_SENTOSA
  459. bool "Sibyte BCM91250E-Sentosa"
  460. depends on EXPERIMENTAL
  461. select BOOT_ELF32
  462. select DMA_COHERENT
  463. select NR_CPUS_DEFAULT_2
  464. select SIBYTE_SB1250
  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 SIBYTE_BIGSUR
  470. bool "Sibyte BCM91480B-BigSur"
  471. select BOOT_ELF32
  472. select DMA_COHERENT
  473. select NR_CPUS_DEFAULT_4
  474. select SIBYTE_BCM1x80
  475. select SWAP_IO_SPACE
  476. select SYS_HAS_CPU_SB1
  477. select SYS_SUPPORTS_BIG_ENDIAN
  478. select SYS_SUPPORTS_HIGHMEM
  479. select SYS_SUPPORTS_LITTLE_ENDIAN
  480. select ZONE_DMA32 if 64BIT
  481. config SNI_RM
  482. bool "SNI RM200/300/400"
  483. select ARC if CPU_LITTLE_ENDIAN
  484. select ARC32 if CPU_LITTLE_ENDIAN
  485. select SNIPROM if CPU_BIG_ENDIAN
  486. select ARCH_MAY_HAVE_PC_FDC
  487. select BOOT_ELF32
  488. select CEVT_R4K
  489. select CSRC_R4K
  490. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  491. select DMA_NONCOHERENT
  492. select GENERIC_ISA_DMA
  493. select HW_HAS_EISA
  494. select HW_HAS_PCI
  495. select IRQ_CPU
  496. select I8253
  497. select I8259
  498. select ISA
  499. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  500. select SYS_HAS_CPU_R4X00
  501. select SYS_HAS_CPU_R5000
  502. select SYS_HAS_CPU_R10000
  503. select R5000_CPU_SCACHE
  504. select SYS_HAS_EARLY_PRINTK
  505. select SYS_SUPPORTS_32BIT_KERNEL
  506. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  507. select SYS_SUPPORTS_BIG_ENDIAN
  508. select SYS_SUPPORTS_HIGHMEM
  509. select SYS_SUPPORTS_LITTLE_ENDIAN
  510. help
  511. The SNI RM200/300/400 are MIPS-based machines manufactured by
  512. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  513. Technology and now in turn merged with Fujitsu. Say Y here to
  514. support this machine type.
  515. config MACH_TX39XX
  516. bool "Toshiba TX39 series based machines"
  517. config MACH_TX49XX
  518. bool "Toshiba TX49 series based machines"
  519. config MIKROTIK_RB532
  520. bool "Mikrotik RB532 boards"
  521. select CEVT_R4K
  522. select CSRC_R4K
  523. select DMA_NONCOHERENT
  524. select GENERIC_HARDIRQS_NO__DO_IRQ
  525. select HW_HAS_PCI
  526. select IRQ_CPU
  527. select SYS_HAS_CPU_MIPS32_R1
  528. select SYS_SUPPORTS_32BIT_KERNEL
  529. select SYS_SUPPORTS_LITTLE_ENDIAN
  530. select SWAP_IO_SPACE
  531. select BOOT_RAW
  532. select GENERIC_GPIO
  533. help
  534. Support the Mikrotik(tm) RouterBoard 532 series,
  535. based on the IDT RC32434 SoC.
  536. config WR_PPMC
  537. bool "Wind River PPMC board"
  538. select CEVT_R4K
  539. select CSRC_R4K
  540. select IRQ_CPU
  541. select BOOT_ELF32
  542. select DMA_NONCOHERENT
  543. select HW_HAS_PCI
  544. select PCI_GT64XXX_PCI0
  545. select SWAP_IO_SPACE
  546. select SYS_HAS_CPU_MIPS32_R1
  547. select SYS_HAS_CPU_MIPS32_R2
  548. select SYS_HAS_CPU_MIPS64_R1
  549. select SYS_HAS_CPU_NEVADA
  550. select SYS_HAS_CPU_RM7000
  551. select SYS_SUPPORTS_32BIT_KERNEL
  552. select SYS_SUPPORTS_64BIT_KERNEL
  553. select SYS_SUPPORTS_BIG_ENDIAN
  554. select SYS_SUPPORTS_LITTLE_ENDIAN
  555. help
  556. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  557. board, which is based on GT64120 bridge chip.
  558. endchoice
  559. source "arch/mips/au1000/Kconfig"
  560. source "arch/mips/basler/excite/Kconfig"
  561. source "arch/mips/jazz/Kconfig"
  562. source "arch/mips/lasat/Kconfig"
  563. source "arch/mips/pmc-sierra/Kconfig"
  564. source "arch/mips/sgi-ip27/Kconfig"
  565. source "arch/mips/sibyte/Kconfig"
  566. source "arch/mips/txx9/Kconfig"
  567. source "arch/mips/vr41xx/Kconfig"
  568. endmenu
  569. config GENERIC_LOCKBREAK
  570. bool
  571. default y
  572. depends on SMP && PREEMPT
  573. config RWSEM_GENERIC_SPINLOCK
  574. bool
  575. default y
  576. config RWSEM_XCHGADD_ALGORITHM
  577. bool
  578. config ARCH_HAS_ILOG2_U32
  579. bool
  580. default n
  581. config ARCH_HAS_ILOG2_U64
  582. bool
  583. default n
  584. config ARCH_SUPPORTS_OPROFILE
  585. bool
  586. default y if !MIPS_MT_SMTC
  587. config GENERIC_FIND_NEXT_BIT
  588. bool
  589. default y
  590. config GENERIC_HWEIGHT
  591. bool
  592. default y
  593. config GENERIC_CALIBRATE_DELAY
  594. bool
  595. default y
  596. config GENERIC_CLOCKEVENTS
  597. bool
  598. default y
  599. config GENERIC_TIME
  600. bool
  601. default y
  602. config GENERIC_CMOS_UPDATE
  603. bool
  604. default y
  605. config SCHED_NO_NO_OMIT_FRAME_POINTER
  606. bool
  607. default y
  608. config GENERIC_HARDIRQS_NO__DO_IRQ
  609. bool
  610. default n
  611. #
  612. # Select some configuration options automatically based on user selections.
  613. #
  614. config ARC
  615. bool
  616. config ARCH_MAY_HAVE_PC_FDC
  617. bool
  618. config BOOT_RAW
  619. bool
  620. config CEVT_BCM1480
  621. bool
  622. config CEVT_DS1287
  623. bool
  624. config CEVT_GT641XX
  625. bool
  626. config CEVT_R4K
  627. bool
  628. config CEVT_SB1250
  629. bool
  630. config CEVT_TXX9
  631. bool
  632. config CSRC_BCM1480
  633. bool
  634. config CSRC_IOASIC
  635. bool
  636. config CSRC_R4K
  637. bool
  638. config CSRC_SB1250
  639. bool
  640. config GPIO_TXX9
  641. select GENERIC_GPIO
  642. select ARCH_REQUIRE_GPIOLIB
  643. bool
  644. config CFE
  645. bool
  646. config DMA_COHERENT
  647. bool
  648. config DMA_IP27
  649. bool
  650. config DMA_NONCOHERENT
  651. bool
  652. select DMA_NEED_PCI_MAP_STATE
  653. config DMA_NEED_PCI_MAP_STATE
  654. bool
  655. config EARLY_PRINTK
  656. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  657. depends on SYS_HAS_EARLY_PRINTK
  658. default y
  659. help
  660. This option enables special console drivers which allow the kernel
  661. to print messages very early in the bootup process.
  662. This is useful for kernel debugging when your machine crashes very
  663. early before the console code is initialized. For normal operation,
  664. it is not recommended because it looks ugly on some machines and
  665. doesn't cooperate with an X server. You should normally say N here,
  666. unless you want to debug such a crash.
  667. config SYS_HAS_EARLY_PRINTK
  668. bool
  669. config HOTPLUG_CPU
  670. bool
  671. default n
  672. config I8259
  673. bool
  674. config MIPS_BONITO64
  675. bool
  676. config MIPS_MSC
  677. bool
  678. config MIPS_NILE4
  679. bool
  680. config MIPS_DISABLE_OBSOLETE_IDE
  681. bool
  682. config SYNC_R4K
  683. bool
  684. config NO_IOPORT
  685. def_bool n
  686. config GENERIC_ISA_DMA
  687. bool
  688. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  689. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  690. bool
  691. select GENERIC_ISA_DMA
  692. config GENERIC_GPIO
  693. bool
  694. #
  695. # Endianess selection. Sufficiently obscure so many users don't know what to
  696. # answer,so we try hard to limit the available choices. Also the use of a
  697. # choice statement should be more obvious to the user.
  698. #
  699. choice
  700. prompt "Endianess selection"
  701. help
  702. Some MIPS machines can be configured for either little or big endian
  703. byte order. These modes require different kernels and a different
  704. Linux distribution. In general there is one preferred byteorder for a
  705. particular system but some systems are just as commonly used in the
  706. one or the other endianness.
  707. config CPU_BIG_ENDIAN
  708. bool "Big endian"
  709. depends on SYS_SUPPORTS_BIG_ENDIAN
  710. config CPU_LITTLE_ENDIAN
  711. bool "Little endian"
  712. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  713. help
  714. endchoice
  715. config SYS_SUPPORTS_APM_EMULATION
  716. bool
  717. config SYS_SUPPORTS_BIG_ENDIAN
  718. bool
  719. config SYS_SUPPORTS_LITTLE_ENDIAN
  720. bool
  721. config IRQ_CPU
  722. bool
  723. config IRQ_CPU_RM7K
  724. bool
  725. config IRQ_CPU_RM9K
  726. bool
  727. config IRQ_MSP_SLP
  728. bool
  729. config IRQ_MSP_CIC
  730. bool
  731. config IRQ_TXX9
  732. bool
  733. config IRQ_GT641XX
  734. bool
  735. config IRQ_GIC
  736. bool
  737. config MIPS_BOARDS_GEN
  738. bool
  739. config PCI_GT64XXX_PCI0
  740. bool
  741. config NO_EXCEPT_FILL
  742. bool
  743. config MIPS_RM9122
  744. bool
  745. select SERIAL_RM9000
  746. config PNX8550
  747. bool
  748. select SOC_PNX8550
  749. config SOC_PNX8550
  750. bool
  751. select DMA_NONCOHERENT
  752. select HW_HAS_PCI
  753. select SYS_HAS_CPU_MIPS32_R1
  754. select SYS_HAS_EARLY_PRINTK
  755. select SYS_SUPPORTS_32BIT_KERNEL
  756. select GENERIC_HARDIRQS_NO__DO_IRQ
  757. select GENERIC_GPIO
  758. config SWAP_IO_SPACE
  759. bool
  760. config EMMA2RH
  761. bool
  762. depends on MARKEINS
  763. default y
  764. config SERIAL_RM9000
  765. bool
  766. config SGI_HAS_DS1286
  767. bool
  768. config SGI_HAS_INDYDOG
  769. bool
  770. config SGI_HAS_HAL2
  771. bool
  772. config SGI_HAS_SEEQ
  773. bool
  774. config SGI_HAS_WD93
  775. bool
  776. config SGI_HAS_ZILOG
  777. bool
  778. config SGI_HAS_I8042
  779. bool
  780. config DEFAULT_SGI_PARTITION
  781. bool
  782. config ARC32
  783. bool
  784. config SNIPROM
  785. bool
  786. config BOOT_ELF32
  787. bool
  788. config MIPS_L1_CACHE_SHIFT
  789. int
  790. default "4" if MACH_DECSTATION || MIKROTIK_RB532
  791. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
  792. default "4" if PMC_MSP4200_EVAL
  793. default "5"
  794. config HAVE_STD_PC_SERIAL_PORT
  795. bool
  796. config ARC_CONSOLE
  797. bool "ARC console support"
  798. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  799. config ARC_MEMORY
  800. bool
  801. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  802. default y
  803. config ARC_PROMLIB
  804. bool
  805. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  806. default y
  807. config ARC64
  808. bool
  809. config BOOT_ELF64
  810. bool
  811. menu "CPU selection"
  812. choice
  813. prompt "CPU type"
  814. default CPU_R4X00
  815. config CPU_LOONGSON2
  816. bool "Loongson 2"
  817. depends on SYS_HAS_CPU_LOONGSON2
  818. select CPU_SUPPORTS_32BIT_KERNEL
  819. select CPU_SUPPORTS_64BIT_KERNEL
  820. select CPU_SUPPORTS_HIGHMEM
  821. help
  822. The Loongson 2E processor implements the MIPS III instruction set
  823. with many extensions.
  824. config CPU_MIPS32_R1
  825. bool "MIPS32 Release 1"
  826. depends on SYS_HAS_CPU_MIPS32_R1
  827. select CPU_HAS_LLSC
  828. select CPU_HAS_PREFETCH
  829. select CPU_SUPPORTS_32BIT_KERNEL
  830. select CPU_SUPPORTS_HIGHMEM
  831. help
  832. Choose this option to build a kernel for release 1 or later of the
  833. MIPS32 architecture. Most modern embedded systems with a 32-bit
  834. MIPS processor are based on a MIPS32 processor. If you know the
  835. specific type of processor in your system, choose those that one
  836. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  837. Release 2 of the MIPS32 architecture is available since several
  838. years so chances are you even have a MIPS32 Release 2 processor
  839. in which case you should choose CPU_MIPS32_R2 instead for better
  840. performance.
  841. config CPU_MIPS32_R2
  842. bool "MIPS32 Release 2"
  843. depends on SYS_HAS_CPU_MIPS32_R2
  844. select CPU_HAS_LLSC
  845. select CPU_HAS_PREFETCH
  846. select CPU_SUPPORTS_32BIT_KERNEL
  847. select CPU_SUPPORTS_HIGHMEM
  848. help
  849. Choose this option to build a kernel for release 2 or later of the
  850. MIPS32 architecture. Most modern embedded systems with a 32-bit
  851. MIPS processor are based on a MIPS32 processor. If you know the
  852. specific type of processor in your system, choose those that one
  853. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  854. config CPU_MIPS64_R1
  855. bool "MIPS64 Release 1"
  856. depends on SYS_HAS_CPU_MIPS64_R1
  857. select CPU_HAS_LLSC
  858. select CPU_HAS_PREFETCH
  859. select CPU_SUPPORTS_32BIT_KERNEL
  860. select CPU_SUPPORTS_64BIT_KERNEL
  861. select CPU_SUPPORTS_HIGHMEM
  862. help
  863. Choose this option to build a kernel for release 1 or later of the
  864. MIPS64 architecture. Many modern embedded systems with a 64-bit
  865. MIPS processor are based on a MIPS64 processor. If you know the
  866. specific type of processor in your system, choose those that one
  867. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  868. Release 2 of the MIPS64 architecture is available since several
  869. years so chances are you even have a MIPS64 Release 2 processor
  870. in which case you should choose CPU_MIPS64_R2 instead for better
  871. performance.
  872. config CPU_MIPS64_R2
  873. bool "MIPS64 Release 2"
  874. depends on SYS_HAS_CPU_MIPS64_R2
  875. select CPU_HAS_LLSC
  876. select CPU_HAS_PREFETCH
  877. select CPU_SUPPORTS_32BIT_KERNEL
  878. select CPU_SUPPORTS_64BIT_KERNEL
  879. select CPU_SUPPORTS_HIGHMEM
  880. help
  881. Choose this option to build a kernel for release 2 or later of the
  882. MIPS64 architecture. Many modern embedded systems with a 64-bit
  883. MIPS processor are based on a MIPS64 processor. If you know the
  884. specific type of processor in your system, choose those that one
  885. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  886. config CPU_R3000
  887. bool "R3000"
  888. depends on SYS_HAS_CPU_R3000
  889. select CPU_HAS_WB
  890. select CPU_SUPPORTS_32BIT_KERNEL
  891. select CPU_SUPPORTS_HIGHMEM
  892. help
  893. Please make sure to pick the right CPU type. Linux/MIPS is not
  894. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  895. *not* work on R4000 machines and vice versa. However, since most
  896. of the supported machines have an R4000 (or similar) CPU, R4x00
  897. might be a safe bet. If the resulting kernel does not work,
  898. try to recompile with R3000.
  899. config CPU_TX39XX
  900. bool "R39XX"
  901. depends on SYS_HAS_CPU_TX39XX
  902. select CPU_SUPPORTS_32BIT_KERNEL
  903. config CPU_VR41XX
  904. bool "R41xx"
  905. depends on SYS_HAS_CPU_VR41XX
  906. select CPU_SUPPORTS_32BIT_KERNEL
  907. select CPU_SUPPORTS_64BIT_KERNEL
  908. help
  909. The options selects support for the NEC VR4100 series of processors.
  910. Only choose this option if you have one of these processors as a
  911. kernel built with this option will not run on any other type of
  912. processor or vice versa.
  913. config CPU_R4300
  914. bool "R4300"
  915. depends on SYS_HAS_CPU_R4300
  916. select CPU_HAS_LLSC
  917. select CPU_SUPPORTS_32BIT_KERNEL
  918. select CPU_SUPPORTS_64BIT_KERNEL
  919. help
  920. MIPS Technologies R4300-series processors.
  921. config CPU_R4X00
  922. bool "R4x00"
  923. depends on SYS_HAS_CPU_R4X00
  924. select CPU_HAS_LLSC
  925. select CPU_SUPPORTS_32BIT_KERNEL
  926. select CPU_SUPPORTS_64BIT_KERNEL
  927. help
  928. MIPS Technologies R4000-series processors other than 4300, including
  929. the R4000, R4400, R4600, and 4700.
  930. config CPU_TX49XX
  931. bool "R49XX"
  932. depends on SYS_HAS_CPU_TX49XX
  933. select CPU_HAS_LLSC
  934. select CPU_HAS_PREFETCH
  935. select CPU_SUPPORTS_32BIT_KERNEL
  936. select CPU_SUPPORTS_64BIT_KERNEL
  937. config CPU_R5000
  938. bool "R5000"
  939. depends on SYS_HAS_CPU_R5000
  940. select CPU_HAS_LLSC
  941. select CPU_SUPPORTS_32BIT_KERNEL
  942. select CPU_SUPPORTS_64BIT_KERNEL
  943. help
  944. MIPS Technologies R5000-series processors other than the Nevada.
  945. config CPU_R5432
  946. bool "R5432"
  947. depends on SYS_HAS_CPU_R5432
  948. select CPU_HAS_LLSC
  949. select CPU_SUPPORTS_32BIT_KERNEL
  950. select CPU_SUPPORTS_64BIT_KERNEL
  951. config CPU_R6000
  952. bool "R6000"
  953. depends on EXPERIMENTAL
  954. select CPU_HAS_LLSC
  955. depends on SYS_HAS_CPU_R6000
  956. select CPU_SUPPORTS_32BIT_KERNEL
  957. help
  958. MIPS Technologies R6000 and R6000A series processors. Note these
  959. processors are extremely rare and the support for them is incomplete.
  960. config CPU_NEVADA
  961. bool "RM52xx"
  962. depends on SYS_HAS_CPU_NEVADA
  963. select CPU_HAS_LLSC
  964. select CPU_SUPPORTS_32BIT_KERNEL
  965. select CPU_SUPPORTS_64BIT_KERNEL
  966. help
  967. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  968. config CPU_R8000
  969. bool "R8000"
  970. depends on EXPERIMENTAL
  971. depends on SYS_HAS_CPU_R8000
  972. select CPU_HAS_LLSC
  973. select CPU_HAS_PREFETCH
  974. select CPU_SUPPORTS_64BIT_KERNEL
  975. help
  976. MIPS Technologies R8000 processors. Note these processors are
  977. uncommon and the support for them is incomplete.
  978. config CPU_R10000
  979. bool "R10000"
  980. depends on SYS_HAS_CPU_R10000
  981. select CPU_HAS_LLSC
  982. select CPU_HAS_PREFETCH
  983. select CPU_SUPPORTS_32BIT_KERNEL
  984. select CPU_SUPPORTS_64BIT_KERNEL
  985. select CPU_SUPPORTS_HIGHMEM
  986. help
  987. MIPS Technologies R10000-series processors.
  988. config CPU_RM7000
  989. bool "RM7000"
  990. depends on SYS_HAS_CPU_RM7000
  991. select CPU_HAS_LLSC
  992. select CPU_HAS_PREFETCH
  993. select CPU_SUPPORTS_32BIT_KERNEL
  994. select CPU_SUPPORTS_64BIT_KERNEL
  995. select CPU_SUPPORTS_HIGHMEM
  996. config CPU_RM9000
  997. bool "RM9000"
  998. depends on SYS_HAS_CPU_RM9000
  999. select CPU_HAS_LLSC
  1000. select CPU_HAS_PREFETCH
  1001. select CPU_SUPPORTS_32BIT_KERNEL
  1002. select CPU_SUPPORTS_64BIT_KERNEL
  1003. select CPU_SUPPORTS_HIGHMEM
  1004. select WEAK_ORDERING
  1005. config CPU_SB1
  1006. bool "SB1"
  1007. depends on SYS_HAS_CPU_SB1
  1008. select CPU_HAS_LLSC
  1009. select CPU_SUPPORTS_32BIT_KERNEL
  1010. select CPU_SUPPORTS_64BIT_KERNEL
  1011. select CPU_SUPPORTS_HIGHMEM
  1012. select WEAK_ORDERING
  1013. endchoice
  1014. config SYS_HAS_CPU_LOONGSON2
  1015. bool
  1016. config SYS_HAS_CPU_MIPS32_R1
  1017. bool
  1018. config SYS_HAS_CPU_MIPS32_R2
  1019. bool
  1020. config SYS_HAS_CPU_MIPS64_R1
  1021. bool
  1022. config SYS_HAS_CPU_MIPS64_R2
  1023. bool
  1024. config SYS_HAS_CPU_R3000
  1025. bool
  1026. config SYS_HAS_CPU_TX39XX
  1027. bool
  1028. config SYS_HAS_CPU_VR41XX
  1029. bool
  1030. config SYS_HAS_CPU_R4300
  1031. bool
  1032. config SYS_HAS_CPU_R4X00
  1033. bool
  1034. config SYS_HAS_CPU_TX49XX
  1035. bool
  1036. config SYS_HAS_CPU_R5000
  1037. bool
  1038. config SYS_HAS_CPU_R5432
  1039. bool
  1040. config SYS_HAS_CPU_R6000
  1041. bool
  1042. config SYS_HAS_CPU_NEVADA
  1043. bool
  1044. config SYS_HAS_CPU_R8000
  1045. bool
  1046. config SYS_HAS_CPU_R10000
  1047. bool
  1048. config SYS_HAS_CPU_RM7000
  1049. bool
  1050. config SYS_HAS_CPU_RM9000
  1051. bool
  1052. config SYS_HAS_CPU_SB1
  1053. bool
  1054. #
  1055. # CPU may reorder R->R, R->W, W->R, W->W
  1056. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1057. #
  1058. config WEAK_ORDERING
  1059. bool
  1060. #
  1061. # CPU may reorder reads and writes beyond LL/SC
  1062. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1063. #
  1064. config WEAK_REORDERING_BEYOND_LLSC
  1065. bool
  1066. endmenu
  1067. #
  1068. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1069. #
  1070. config CPU_MIPS32
  1071. bool
  1072. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1073. config CPU_MIPS64
  1074. bool
  1075. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1076. #
  1077. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1078. #
  1079. config CPU_MIPSR1
  1080. bool
  1081. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1082. config CPU_MIPSR2
  1083. bool
  1084. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1085. config SYS_SUPPORTS_32BIT_KERNEL
  1086. bool
  1087. config SYS_SUPPORTS_64BIT_KERNEL
  1088. bool
  1089. config CPU_SUPPORTS_32BIT_KERNEL
  1090. bool
  1091. config CPU_SUPPORTS_64BIT_KERNEL
  1092. bool
  1093. menu "Kernel type"
  1094. choice
  1095. prompt "Kernel code model"
  1096. help
  1097. You should only select this option if you have a workload that
  1098. actually benefits from 64-bit processing or if your machine has
  1099. large memory. You will only be presented a single option in this
  1100. menu if your system does not support both 32-bit and 64-bit kernels.
  1101. config 32BIT
  1102. bool "32-bit kernel"
  1103. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1104. select TRAD_SIGNALS
  1105. help
  1106. Select this option if you want to build a 32-bit kernel.
  1107. config 64BIT
  1108. bool "64-bit kernel"
  1109. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1110. help
  1111. Select this option if you want to build a 64-bit kernel.
  1112. endchoice
  1113. choice
  1114. prompt "Kernel page size"
  1115. default PAGE_SIZE_4KB
  1116. config PAGE_SIZE_4KB
  1117. bool "4kB"
  1118. help
  1119. This option select the standard 4kB Linux page size. On some
  1120. R3000-family processors this is the only available page size. Using
  1121. 4kB page size will minimize memory consumption and is therefore
  1122. recommended for low memory systems.
  1123. config PAGE_SIZE_8KB
  1124. bool "8kB"
  1125. depends on EXPERIMENTAL && CPU_R8000
  1126. help
  1127. Using 8kB page size will result in higher performance kernel at
  1128. the price of higher memory consumption. This option is available
  1129. only on the R8000 processor. Not that at the time of this writing
  1130. this option is still high experimental; there are also issues with
  1131. compatibility of user applications.
  1132. config PAGE_SIZE_16KB
  1133. bool "16kB"
  1134. depends on !CPU_R3000 && !CPU_TX39XX
  1135. help
  1136. Using 16kB page size will result in higher performance kernel at
  1137. the price of higher memory consumption. This option is available on
  1138. all non-R3000 family processors. Note that you will need a suitable
  1139. Linux distribution to support this.
  1140. config PAGE_SIZE_64KB
  1141. bool "64kB"
  1142. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1143. help
  1144. Using 64kB page size will result in higher performance kernel at
  1145. the price of higher memory consumption. This option is available on
  1146. all non-R3000 family processor. Not that at the time of this
  1147. writing this option is still high experimental.
  1148. endchoice
  1149. config BOARD_SCACHE
  1150. bool
  1151. config IP22_CPU_SCACHE
  1152. bool
  1153. select BOARD_SCACHE
  1154. #
  1155. # Support for a MIPS32 / MIPS64 style S-caches
  1156. #
  1157. config MIPS_CPU_SCACHE
  1158. bool
  1159. select BOARD_SCACHE
  1160. config R5000_CPU_SCACHE
  1161. bool
  1162. select BOARD_SCACHE
  1163. config RM7000_CPU_SCACHE
  1164. bool
  1165. select BOARD_SCACHE
  1166. config SIBYTE_DMA_PAGEOPS
  1167. bool "Use DMA to clear/copy pages"
  1168. depends on CPU_SB1
  1169. help
  1170. Instead of using the CPU to zero and copy pages, use a Data Mover
  1171. channel. These DMA channels are otherwise unused by the standard
  1172. SiByte Linux port. Seems to give a small performance benefit.
  1173. config CPU_HAS_PREFETCH
  1174. bool
  1175. choice
  1176. prompt "MIPS MT options"
  1177. config MIPS_MT_DISABLED
  1178. bool "Disable multithreading support."
  1179. help
  1180. Use this option if your workload can't take advantage of
  1181. MIPS hardware multithreading support. On systems that don't have
  1182. the option of an MT-enabled processor this option will be the only
  1183. option in this menu.
  1184. config MIPS_MT_SMP
  1185. bool "Use 1 TC on each available VPE for SMP"
  1186. depends on SYS_SUPPORTS_MULTITHREADING
  1187. select CPU_MIPSR2_IRQ_VI
  1188. select CPU_MIPSR2_IRQ_EI
  1189. select MIPS_MT
  1190. select NR_CPUS_DEFAULT_2
  1191. select SMP
  1192. select SYS_SUPPORTS_SCHED_SMT if SMP
  1193. select SYS_SUPPORTS_SMP
  1194. select SMP_UP
  1195. help
  1196. This is a kernel model which is also known a VSMP or lately
  1197. has been marketesed into SMVP.
  1198. config MIPS_MT_SMTC
  1199. bool "SMTC: Use all TCs on all VPEs for SMP"
  1200. depends on CPU_MIPS32_R2
  1201. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1202. depends on SYS_SUPPORTS_MULTITHREADING
  1203. select CPU_MIPSR2_IRQ_VI
  1204. select CPU_MIPSR2_IRQ_EI
  1205. select MIPS_MT
  1206. select NR_CPUS_DEFAULT_8
  1207. select SMP
  1208. select SYS_SUPPORTS_SMP
  1209. select SMP_UP
  1210. help
  1211. This is a kernel model which is known a SMTC or lately has been
  1212. marketesed into SMVP.
  1213. endchoice
  1214. config MIPS_MT
  1215. bool
  1216. config SCHED_SMT
  1217. bool "SMT (multithreading) scheduler support"
  1218. depends on SYS_SUPPORTS_SCHED_SMT
  1219. default n
  1220. help
  1221. SMT scheduler support improves the CPU scheduler's decision making
  1222. when dealing with MIPS MT enabled cores at a cost of slightly
  1223. increased overhead in some places. If unsure say N here.
  1224. config SYS_SUPPORTS_SCHED_SMT
  1225. bool
  1226. config SYS_SUPPORTS_MULTITHREADING
  1227. bool
  1228. config MIPS_MT_FPAFF
  1229. bool "Dynamic FPU affinity for FP-intensive threads"
  1230. default y
  1231. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1232. config MIPS_VPE_LOADER
  1233. bool "VPE loader support."
  1234. depends on SYS_SUPPORTS_MULTITHREADING
  1235. select CPU_MIPSR2_IRQ_VI
  1236. select CPU_MIPSR2_IRQ_EI
  1237. select MIPS_MT
  1238. help
  1239. Includes a loader for loading an elf relocatable object
  1240. onto another VPE and running it.
  1241. config MIPS_MT_SMTC_IM_BACKSTOP
  1242. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1243. depends on MIPS_MT_SMTC
  1244. default n
  1245. help
  1246. To support multiple TC microthreads acting as "CPUs" within
  1247. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1248. during interrupt handling. To support legacy drivers and interrupt
  1249. controller management code, SMTC has a "backstop" to track and
  1250. if necessary restore the interrupt mask. This has some performance
  1251. impact on interrupt service overhead.
  1252. config MIPS_MT_SMTC_IRQAFF
  1253. bool "Support IRQ affinity API"
  1254. depends on MIPS_MT_SMTC
  1255. default n
  1256. help
  1257. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1258. for SMTC Linux kernel. Requires platform support, of which
  1259. an example can be found in the MIPS kernel i8259 and Malta
  1260. platform code. Adds some overhead to interrupt dispatch, and
  1261. should be used only if you know what you are doing.
  1262. config MIPS_VPE_LOADER_TOM
  1263. bool "Load VPE program into memory hidden from linux"
  1264. depends on MIPS_VPE_LOADER
  1265. default y
  1266. help
  1267. The loader can use memory that is present but has been hidden from
  1268. Linux using the kernel command line option "mem=xxMB". It's up to
  1269. you to ensure the amount you put in the option and the space your
  1270. program requires is less or equal to the amount physically present.
  1271. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1272. config MIPS_VPE_APSP_API
  1273. bool "Enable support for AP/SP API (RTLX)"
  1274. depends on MIPS_VPE_LOADER
  1275. help
  1276. config MIPS_APSP_KSPD
  1277. bool "Enable KSPD"
  1278. depends on MIPS_VPE_APSP_API
  1279. default y
  1280. help
  1281. KSPD is a kernel daemon that accepts syscall requests from the SP
  1282. side, actions them and returns the results. It also handles the
  1283. "exit" syscall notifying other kernel modules the SP program is
  1284. exiting. You probably want to say yes here.
  1285. config MIPS_CMP
  1286. bool "MIPS CMP framework support"
  1287. depends on SYS_SUPPORTS_MIPS_CMP
  1288. select SYNC_R4K if BROKEN
  1289. select SYS_SUPPORTS_SMP
  1290. select SYS_SUPPORTS_SCHED_SMT if SMP
  1291. select WEAK_ORDERING
  1292. default n
  1293. help
  1294. This is a placeholder option for the GCMP work. It will need to
  1295. be handled differently...
  1296. config SB1_PASS_1_WORKAROUNDS
  1297. bool
  1298. depends on CPU_SB1_PASS_1
  1299. default y
  1300. config SB1_PASS_2_WORKAROUNDS
  1301. bool
  1302. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1303. default y
  1304. config SB1_PASS_2_1_WORKAROUNDS
  1305. bool
  1306. depends on CPU_SB1 && CPU_SB1_PASS_2
  1307. default y
  1308. config 64BIT_PHYS_ADDR
  1309. bool
  1310. config CPU_HAS_LLSC
  1311. bool
  1312. config CPU_HAS_SMARTMIPS
  1313. depends on SYS_SUPPORTS_SMARTMIPS
  1314. bool "Support for the SmartMIPS ASE"
  1315. help
  1316. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1317. increased security at both hardware and software level for
  1318. smartcards. Enabling this option will allow proper use of the
  1319. SmartMIPS instructions by Linux applications. However a kernel with
  1320. this option will not work on a MIPS core without SmartMIPS core. If
  1321. you don't know you probably don't have SmartMIPS and should say N
  1322. here.
  1323. config CPU_HAS_WB
  1324. bool
  1325. #
  1326. # Vectored interrupt mode is an R2 feature
  1327. #
  1328. config CPU_MIPSR2_IRQ_VI
  1329. bool
  1330. #
  1331. # Extended interrupt mode is an R2 feature
  1332. #
  1333. config CPU_MIPSR2_IRQ_EI
  1334. bool
  1335. config CPU_HAS_SYNC
  1336. bool
  1337. depends on !CPU_R3000
  1338. default y
  1339. config GENERIC_CLOCKEVENTS_BROADCAST
  1340. bool
  1341. #
  1342. # CPU non-features
  1343. #
  1344. config CPU_DADDI_WORKAROUNDS
  1345. bool
  1346. config CPU_R4000_WORKAROUNDS
  1347. bool
  1348. select CPU_R4400_WORKAROUNDS
  1349. config CPU_R4400_WORKAROUNDS
  1350. bool
  1351. #
  1352. # Use the generic interrupt handling code in kernel/irq/:
  1353. #
  1354. config GENERIC_HARDIRQS
  1355. bool
  1356. default y
  1357. config GENERIC_IRQ_PROBE
  1358. bool
  1359. default y
  1360. config IRQ_PER_CPU
  1361. bool
  1362. #
  1363. # - Highmem only makes sense for the 32-bit kernel.
  1364. # - The current highmem code will only work properly on physically indexed
  1365. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1366. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1367. # moment we protect the user and offer the highmem option only on machines
  1368. # where it's known to be safe. This will not offer highmem on a few systems
  1369. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1370. # indexed CPUs but we're playing safe.
  1371. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1372. # know they might have memory configurations that could make use of highmem
  1373. # support.
  1374. #
  1375. config HIGHMEM
  1376. bool "High Memory Support"
  1377. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1378. config CPU_SUPPORTS_HIGHMEM
  1379. bool
  1380. config SYS_SUPPORTS_HIGHMEM
  1381. bool
  1382. config SYS_SUPPORTS_SMARTMIPS
  1383. bool
  1384. config ARCH_FLATMEM_ENABLE
  1385. def_bool y
  1386. depends on !NUMA
  1387. config ARCH_DISCONTIGMEM_ENABLE
  1388. bool
  1389. default y if SGI_IP27
  1390. help
  1391. Say Y to support efficient handling of discontiguous physical memory,
  1392. for architectures which are either NUMA (Non-Uniform Memory Access)
  1393. or have huge holes in the physical address space for other reasons.
  1394. See <file:Documentation/vm/numa> for more.
  1395. config ARCH_POPULATES_NODE_MAP
  1396. def_bool y
  1397. config ARCH_SPARSEMEM_ENABLE
  1398. bool
  1399. select SPARSEMEM_STATIC
  1400. config NUMA
  1401. bool "NUMA Support"
  1402. depends on SYS_SUPPORTS_NUMA
  1403. help
  1404. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1405. Access). This option improves performance on systems with more
  1406. than two nodes; on two node systems it is generally better to
  1407. leave it disabled; on single node systems disable this option
  1408. disabled.
  1409. config SYS_SUPPORTS_NUMA
  1410. bool
  1411. config NODES_SHIFT
  1412. int
  1413. default "6"
  1414. depends on NEED_MULTIPLE_NODES
  1415. source "mm/Kconfig"
  1416. config SMP
  1417. bool "Multi-Processing support"
  1418. depends on SYS_SUPPORTS_SMP
  1419. select IRQ_PER_CPU
  1420. select USE_GENERIC_SMP_HELPERS
  1421. help
  1422. This enables support for systems with more than one CPU. If you have
  1423. a system with only one CPU, like most personal computers, say N. If
  1424. you have a system with more than one CPU, say Y.
  1425. If you say N here, the kernel will run on single and multiprocessor
  1426. machines, but will use only one CPU of a multiprocessor machine. If
  1427. you say Y here, the kernel will run on many, but not all,
  1428. singleprocessor machines. On a singleprocessor machine, the kernel
  1429. will run faster if you say N here.
  1430. People using multiprocessor machines who say Y here should also say
  1431. Y to "Enhanced Real Time Clock Support", below.
  1432. See also the SMP-HOWTO available at
  1433. <http://www.tldp.org/docs.html#howto>.
  1434. If you don't know what to do here, say N.
  1435. config SMP_UP
  1436. bool
  1437. config SYS_SUPPORTS_MIPS_CMP
  1438. bool
  1439. config SYS_SUPPORTS_SMP
  1440. bool
  1441. config NR_CPUS_DEFAULT_1
  1442. bool
  1443. config NR_CPUS_DEFAULT_2
  1444. bool
  1445. config NR_CPUS_DEFAULT_4
  1446. bool
  1447. config NR_CPUS_DEFAULT_8
  1448. bool
  1449. config NR_CPUS_DEFAULT_16
  1450. bool
  1451. config NR_CPUS_DEFAULT_32
  1452. bool
  1453. config NR_CPUS_DEFAULT_64
  1454. bool
  1455. config NR_CPUS
  1456. int "Maximum number of CPUs (2-64)"
  1457. range 1 64 if NR_CPUS_DEFAULT_1
  1458. depends on SMP
  1459. default "1" if NR_CPUS_DEFAULT_1
  1460. default "2" if NR_CPUS_DEFAULT_2
  1461. default "4" if NR_CPUS_DEFAULT_4
  1462. default "8" if NR_CPUS_DEFAULT_8
  1463. default "16" if NR_CPUS_DEFAULT_16
  1464. default "32" if NR_CPUS_DEFAULT_32
  1465. default "64" if NR_CPUS_DEFAULT_64
  1466. help
  1467. This allows you to specify the maximum number of CPUs which this
  1468. kernel will support. The maximum supported value is 32 for 32-bit
  1469. kernel and 64 for 64-bit kernels; the minimum value which makes
  1470. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1471. and 2 for all others.
  1472. This is purely to save memory - each supported CPU adds
  1473. approximately eight kilobytes to the kernel image. For best
  1474. performance should round up your number of processors to the next
  1475. power of two.
  1476. source "kernel/time/Kconfig"
  1477. #
  1478. # Timer Interrupt Frequency Configuration
  1479. #
  1480. choice
  1481. prompt "Timer frequency"
  1482. default HZ_250
  1483. help
  1484. Allows the configuration of the timer frequency.
  1485. config HZ_48
  1486. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1487. config HZ_100
  1488. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1489. config HZ_128
  1490. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1491. config HZ_250
  1492. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1493. config HZ_256
  1494. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1495. config HZ_1000
  1496. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1497. config HZ_1024
  1498. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1499. endchoice
  1500. config SYS_SUPPORTS_48HZ
  1501. bool
  1502. config SYS_SUPPORTS_100HZ
  1503. bool
  1504. config SYS_SUPPORTS_128HZ
  1505. bool
  1506. config SYS_SUPPORTS_250HZ
  1507. bool
  1508. config SYS_SUPPORTS_256HZ
  1509. bool
  1510. config SYS_SUPPORTS_1000HZ
  1511. bool
  1512. config SYS_SUPPORTS_1024HZ
  1513. bool
  1514. config SYS_SUPPORTS_ARBIT_HZ
  1515. bool
  1516. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1517. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1518. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1519. !SYS_SUPPORTS_1024HZ
  1520. config HZ
  1521. int
  1522. default 48 if HZ_48
  1523. default 100 if HZ_100
  1524. default 128 if HZ_128
  1525. default 250 if HZ_250
  1526. default 256 if HZ_256
  1527. default 1000 if HZ_1000
  1528. default 1024 if HZ_1024
  1529. source "kernel/Kconfig.preempt"
  1530. config MIPS_INSANE_LARGE
  1531. bool "Support for large 64-bit configurations"
  1532. depends on CPU_R10000 && 64BIT
  1533. help
  1534. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1535. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1536. need processes of more than 1TB virtual address space, say Y here.
  1537. This will result in additional memory usage, so it is not
  1538. recommended for normal users.
  1539. config KEXEC
  1540. bool "Kexec system call (EXPERIMENTAL)"
  1541. depends on EXPERIMENTAL
  1542. help
  1543. kexec is a system call that implements the ability to shutdown your
  1544. current kernel, and to start another kernel. It is like a reboot
  1545. but it is independent of the system firmware. And like a reboot
  1546. you can start any kernel with it, not just Linux.
  1547. The name comes from the similarity to the exec system call.
  1548. It is an ongoing process to be certain the hardware in a machine
  1549. is properly shutdown, so do not be surprised if this code does not
  1550. initially work for you. It may help to enable device hotplugging
  1551. support. As of this writing the exact hardware interface is
  1552. strongly in flux, so no good recommendation can be made.
  1553. config SECCOMP
  1554. bool "Enable seccomp to safely compute untrusted bytecode"
  1555. depends on PROC_FS
  1556. default y
  1557. help
  1558. This kernel feature is useful for number crunching applications
  1559. that may need to compute untrusted bytecode during their
  1560. execution. By using pipes or other transports made available to
  1561. the process as file descriptors supporting the read/write
  1562. syscalls, it's possible to isolate those applications in
  1563. their own address space using seccomp. Once seccomp is
  1564. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1565. and the task is only allowed to execute a few safe syscalls
  1566. defined by each seccomp mode.
  1567. If unsure, say Y. Only embedded should say N here.
  1568. endmenu
  1569. config RWSEM_GENERIC_SPINLOCK
  1570. bool
  1571. default y
  1572. config LOCKDEP_SUPPORT
  1573. bool
  1574. default y
  1575. config STACKTRACE_SUPPORT
  1576. bool
  1577. default y
  1578. source "init/Kconfig"
  1579. config PROBE_INITRD_HEADER
  1580. bool "Probe initrd header created by addinitrd"
  1581. depends on BLK_DEV_INITRD
  1582. help
  1583. Probe initrd header at the last page of kernel image.
  1584. Say Y here if you are using arch/mips/boot/addinitrd.c to
  1585. add initrd or initramfs image to the kernel image.
  1586. Otherwise, say N.
  1587. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1588. config HW_HAS_EISA
  1589. bool
  1590. config HW_HAS_PCI
  1591. bool
  1592. config PCI
  1593. bool "Support for PCI controller"
  1594. depends on HW_HAS_PCI
  1595. select PCI_DOMAINS
  1596. help
  1597. Find out whether you have a PCI motherboard. PCI is the name of a
  1598. bus system, i.e. the way the CPU talks to the other stuff inside
  1599. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1600. say Y, otherwise N.
  1601. config PCI_DOMAINS
  1602. bool
  1603. source "drivers/pci/Kconfig"
  1604. #
  1605. # ISA support is now enabled via select. Too many systems still have the one
  1606. # or other ISA chip on the board that users don't know about so don't expect
  1607. # users to choose the right thing ...
  1608. #
  1609. config ISA
  1610. bool
  1611. config EISA
  1612. bool "EISA support"
  1613. depends on HW_HAS_EISA
  1614. select ISA
  1615. select GENERIC_ISA_DMA
  1616. ---help---
  1617. The Extended Industry Standard Architecture (EISA) bus was
  1618. developed as an open alternative to the IBM MicroChannel bus.
  1619. The EISA bus provided some of the features of the IBM MicroChannel
  1620. bus while maintaining backward compatibility with cards made for
  1621. the older ISA bus. The EISA bus saw limited use between 1988 and
  1622. 1995 when it was made obsolete by the PCI bus.
  1623. Say Y here if you are building a kernel for an EISA-based machine.
  1624. Otherwise, say N.
  1625. source "drivers/eisa/Kconfig"
  1626. config TC
  1627. bool "TURBOchannel support"
  1628. depends on MACH_DECSTATION
  1629. help
  1630. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1631. processors. Documentation on writing device drivers for TurboChannel
  1632. is available at:
  1633. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1634. #config ACCESSBUS
  1635. # bool "Access.Bus support"
  1636. # depends on TC
  1637. config MMU
  1638. bool
  1639. default y
  1640. config I8253
  1641. bool
  1642. config ZONE_DMA32
  1643. bool
  1644. source "drivers/pcmcia/Kconfig"
  1645. source "drivers/pci/hotplug/Kconfig"
  1646. endmenu
  1647. menu "Executable file formats"
  1648. source "fs/Kconfig.binfmt"
  1649. config TRAD_SIGNALS
  1650. bool
  1651. config MIPS32_COMPAT
  1652. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1653. depends on 64BIT
  1654. help
  1655. Select this option if you want Linux/MIPS 32-bit binary
  1656. compatibility. Since all software available for Linux/MIPS is
  1657. currently 32-bit you should say Y here.
  1658. config COMPAT
  1659. bool
  1660. depends on MIPS32_COMPAT
  1661. default y
  1662. config SYSVIPC_COMPAT
  1663. bool
  1664. depends on COMPAT && SYSVIPC
  1665. default y
  1666. config MIPS32_O32
  1667. bool "Kernel support for o32 binaries"
  1668. depends on MIPS32_COMPAT
  1669. help
  1670. Select this option if you want to run o32 binaries. These are pure
  1671. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1672. existing binaries are in this format.
  1673. If unsure, say Y.
  1674. config MIPS32_N32
  1675. bool "Kernel support for n32 binaries"
  1676. depends on MIPS32_COMPAT
  1677. help
  1678. Select this option if you want to run n32 binaries. These are
  1679. 64-bit binaries using 32-bit quantities for addressing and certain
  1680. data that would normally be 64-bit. They are used in special
  1681. cases.
  1682. If unsure, say N.
  1683. config BINFMT_ELF32
  1684. bool
  1685. default y if MIPS32_O32 || MIPS32_N32
  1686. endmenu
  1687. menu "Power management options"
  1688. config ARCH_SUSPEND_POSSIBLE
  1689. def_bool y
  1690. depends on !SMP
  1691. source "kernel/power/Kconfig"
  1692. endmenu
  1693. source "net/Kconfig"
  1694. source "drivers/Kconfig"
  1695. source "fs/Kconfig"
  1696. source "arch/mips/Kconfig.debug"
  1697. source "security/Kconfig"
  1698. source "crypto/Kconfig"
  1699. source "lib/Kconfig"