Kconfig 50 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_ARCH_KGDB
  8. # Horrible source of confusion. Die, die, die ...
  9. select EMBEDDED
  10. select RTC_LIB if !LEMOTE_FULOONG2E
  11. mainmenu "Linux/MIPS Kernel Configuration"
  12. menu "Machine selection"
  13. config ZONE_DMA
  14. bool
  15. choice
  16. prompt "System type"
  17. default SGI_IP22
  18. config MACH_ALCHEMY
  19. bool "Alchemy processor based machines"
  20. config AR7
  21. bool "Texas Instruments AR7"
  22. select BOOT_ELF32
  23. select DMA_NONCOHERENT
  24. select CEVT_R4K
  25. select CSRC_R4K
  26. select IRQ_CPU
  27. select NO_EXCEPT_FILL
  28. select SWAP_IO_SPACE
  29. select SYS_HAS_CPU_MIPS32_R1
  30. select SYS_HAS_EARLY_PRINTK
  31. select SYS_SUPPORTS_32BIT_KERNEL
  32. select SYS_SUPPORTS_LITTLE_ENDIAN
  33. select GENERIC_GPIO
  34. select GCD
  35. select VLYNQ
  36. help
  37. Support for the Texas Instruments AR7 System-on-a-Chip
  38. family: TNETD7100, 7200 and 7300.
  39. config BASLER_EXCITE
  40. bool "Basler eXcite smart camera"
  41. select CEVT_R4K
  42. select CSRC_R4K
  43. select DMA_COHERENT
  44. select HW_HAS_PCI
  45. select IRQ_CPU
  46. select IRQ_CPU_RM7K
  47. select IRQ_CPU_RM9K
  48. select MIPS_RM9122
  49. select SYS_HAS_CPU_RM9000
  50. select SYS_SUPPORTS_32BIT_KERNEL
  51. select SYS_SUPPORTS_BIG_ENDIAN
  52. help
  53. The eXcite is a smart camera platform manufactured by
  54. Basler Vision Technologies AG.
  55. config BCM47XX
  56. bool "BCM47XX based boards"
  57. select CEVT_R4K
  58. select CSRC_R4K
  59. select DMA_NONCOHERENT
  60. select HW_HAS_PCI
  61. select IRQ_CPU
  62. select SYS_HAS_CPU_MIPS32_R1
  63. select SYS_SUPPORTS_32BIT_KERNEL
  64. select SYS_SUPPORTS_LITTLE_ENDIAN
  65. select SSB
  66. select SSB_DRIVER_MIPS
  67. select SSB_DRIVER_EXTIF
  68. select SSB_EMBEDDED
  69. select SSB_PCICORE_HOSTMODE if PCI
  70. select GENERIC_GPIO
  71. select SYS_HAS_EARLY_PRINTK
  72. select CFE
  73. help
  74. Support for BCM47XX based boards
  75. config BCM63XX
  76. bool "Broadcom BCM63XX based boards"
  77. select CEVT_R4K
  78. select CSRC_R4K
  79. select DMA_NONCOHERENT
  80. select IRQ_CPU
  81. select SYS_HAS_CPU_MIPS32_R1
  82. select SYS_SUPPORTS_32BIT_KERNEL
  83. select SYS_SUPPORTS_BIG_ENDIAN
  84. select SYS_HAS_EARLY_PRINTK
  85. select SWAP_IO_SPACE
  86. select ARCH_REQUIRE_GPIOLIB
  87. help
  88. Support for BCM63XX based boards
  89. config MIPS_COBALT
  90. bool "Cobalt Server"
  91. select CEVT_R4K
  92. select CSRC_R4K
  93. select CEVT_GT641XX
  94. select DMA_NONCOHERENT
  95. select HW_HAS_PCI
  96. select I8253
  97. select I8259
  98. select IRQ_CPU
  99. select IRQ_GT641XX
  100. select PCI_GT64XXX_PCI0
  101. select PCI
  102. select SYS_HAS_CPU_NEVADA
  103. select SYS_HAS_EARLY_PRINTK
  104. select SYS_SUPPORTS_32BIT_KERNEL
  105. select SYS_SUPPORTS_64BIT_KERNEL
  106. select SYS_SUPPORTS_LITTLE_ENDIAN
  107. config MACH_DECSTATION
  108. bool "DECstations"
  109. select BOOT_ELF32
  110. select CEVT_DS1287
  111. select CEVT_R4K
  112. select CSRC_IOASIC
  113. select CSRC_R4K
  114. select CPU_DADDI_WORKAROUNDS if 64BIT
  115. select CPU_R4000_WORKAROUNDS if 64BIT
  116. select CPU_R4400_WORKAROUNDS if 64BIT
  117. select DMA_NONCOHERENT
  118. select NO_IOPORT
  119. select IRQ_CPU
  120. select SYS_HAS_CPU_R3000
  121. select SYS_HAS_CPU_R4X00
  122. select SYS_SUPPORTS_32BIT_KERNEL
  123. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  124. select SYS_SUPPORTS_LITTLE_ENDIAN
  125. select SYS_SUPPORTS_128HZ
  126. select SYS_SUPPORTS_256HZ
  127. select SYS_SUPPORTS_1024HZ
  128. help
  129. This enables support for DEC's MIPS based workstations. For details
  130. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  131. DECstation porting pages on <http://decstation.unix-ag.org/>.
  132. If you have one of the following DECstation Models you definitely
  133. want to choose R4xx0 for the CPU Type:
  134. DECstation 5000/50
  135. DECstation 5000/150
  136. DECstation 5000/260
  137. DECsystem 5900/260
  138. otherwise choose R3000.
  139. config MACH_JAZZ
  140. bool "Jazz family of machines"
  141. select ARC
  142. select ARC32
  143. select ARCH_MAY_HAVE_PC_FDC
  144. select CEVT_R4K
  145. select CSRC_R4K
  146. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  147. select GENERIC_ISA_DMA
  148. select IRQ_CPU
  149. select I8253
  150. select I8259
  151. select ISA
  152. select SYS_HAS_CPU_R4X00
  153. select SYS_SUPPORTS_32BIT_KERNEL
  154. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  155. select SYS_SUPPORTS_100HZ
  156. help
  157. This a family of machines based on the MIPS R4030 chipset which was
  158. used by several vendors to build RISC/os and Windows NT workstations.
  159. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  160. Olivetti M700-10 workstations.
  161. config LASAT
  162. bool "LASAT Networks platforms"
  163. select CEVT_R4K
  164. select CSRC_R4K
  165. select DMA_NONCOHERENT
  166. select SYS_HAS_EARLY_PRINTK
  167. select HW_HAS_PCI
  168. select IRQ_CPU
  169. select PCI_GT64XXX_PCI0
  170. select MIPS_NILE4
  171. select R5000_CPU_SCACHE
  172. select SYS_HAS_CPU_R5000
  173. select SYS_SUPPORTS_32BIT_KERNEL
  174. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  175. select SYS_SUPPORTS_LITTLE_ENDIAN
  176. config MACH_LOONGSON
  177. bool "Loongson family of machines"
  178. help
  179. This enables the support of Loongson family of machines.
  180. Loongson is a family of general-purpose MIPS-compatible CPUs.
  181. developed at Institute of Computing Technology (ICT),
  182. Chinese Academy of Sciences (CAS) in the People's Republic
  183. of China. The chief architect is Professor Weiwu Hu.
  184. config MIPS_MALTA
  185. bool "MIPS Malta board"
  186. select ARCH_MAY_HAVE_PC_FDC
  187. select BOOT_ELF32
  188. select BOOT_RAW
  189. select CEVT_R4K
  190. select CSRC_R4K
  191. select DMA_NONCOHERENT
  192. select GENERIC_ISA_DMA
  193. select IRQ_CPU
  194. select IRQ_GIC
  195. select HW_HAS_PCI
  196. select I8253
  197. select I8259
  198. select MIPS_BOARDS_GEN
  199. select MIPS_BONITO64
  200. select MIPS_CPU_SCACHE
  201. select PCI_GT64XXX_PCI0
  202. select MIPS_MSC
  203. select SWAP_IO_SPACE
  204. select SYS_HAS_CPU_MIPS32_R1
  205. select SYS_HAS_CPU_MIPS32_R2
  206. select SYS_HAS_CPU_MIPS64_R1
  207. select SYS_HAS_CPU_NEVADA
  208. select SYS_HAS_CPU_RM7000
  209. select SYS_HAS_EARLY_PRINTK
  210. select SYS_SUPPORTS_32BIT_KERNEL
  211. select SYS_SUPPORTS_64BIT_KERNEL
  212. select SYS_SUPPORTS_BIG_ENDIAN
  213. select SYS_SUPPORTS_LITTLE_ENDIAN
  214. select SYS_SUPPORTS_MIPS_CMP
  215. select SYS_SUPPORTS_MULTITHREADING
  216. select SYS_SUPPORTS_SMARTMIPS
  217. help
  218. This enables support for the MIPS Technologies Malta evaluation
  219. board.
  220. config MIPS_SIM
  221. bool 'MIPS simulator (MIPSsim)'
  222. select CEVT_R4K
  223. select CSRC_R4K
  224. select DMA_NONCOHERENT
  225. select SYS_HAS_EARLY_PRINTK
  226. select IRQ_CPU
  227. select BOOT_RAW
  228. select SYS_HAS_CPU_MIPS32_R1
  229. select SYS_HAS_CPU_MIPS32_R2
  230. select SYS_HAS_EARLY_PRINTK
  231. select SYS_SUPPORTS_32BIT_KERNEL
  232. select SYS_SUPPORTS_BIG_ENDIAN
  233. select SYS_SUPPORTS_MULTITHREADING
  234. select SYS_SUPPORTS_LITTLE_ENDIAN
  235. help
  236. This option enables support for MIPS Technologies MIPSsim software
  237. emulator.
  238. config NEC_MARKEINS
  239. bool "NEC EMMA2RH Mark-eins board"
  240. select SOC_EMMA2RH
  241. select HW_HAS_PCI
  242. help
  243. This enables support for the NEC Electronics Mark-eins boards.
  244. config MACH_VR41XX
  245. bool "NEC VR4100 series based machines"
  246. select CEVT_R4K
  247. select CSRC_R4K
  248. select SYS_HAS_CPU_VR41XX
  249. select ARCH_REQUIRE_GPIOLIB
  250. config NXP_STB220
  251. bool "NXP STB220 board"
  252. select SOC_PNX833X
  253. help
  254. Support for NXP Semiconductors STB220 Development Board.
  255. config NXP_STB225
  256. bool "NXP 225 board"
  257. select SOC_PNX833X
  258. select SOC_PNX8335
  259. help
  260. Support for NXP Semiconductors STB225 Development Board.
  261. config PNX8550_JBS
  262. bool "NXP PNX8550 based JBS board"
  263. select PNX8550
  264. select SYS_SUPPORTS_LITTLE_ENDIAN
  265. config PNX8550_STB810
  266. bool "NXP PNX8550 based STB810 board"
  267. select PNX8550
  268. select SYS_SUPPORTS_LITTLE_ENDIAN
  269. config PMC_MSP
  270. bool "PMC-Sierra MSP chipsets"
  271. depends on EXPERIMENTAL
  272. select DMA_NONCOHERENT
  273. select SWAP_IO_SPACE
  274. select NO_EXCEPT_FILL
  275. select BOOT_RAW
  276. select SYS_HAS_CPU_MIPS32_R1
  277. select SYS_HAS_CPU_MIPS32_R2
  278. select SYS_SUPPORTS_32BIT_KERNEL
  279. select SYS_SUPPORTS_BIG_ENDIAN
  280. select IRQ_CPU
  281. select SERIAL_8250
  282. select SERIAL_8250_CONSOLE
  283. help
  284. This adds support for the PMC-Sierra family of Multi-Service
  285. Processor System-On-A-Chips. These parts include a number
  286. of integrated peripherals, interfaces and DSPs in addition to
  287. a variety of MIPS cores.
  288. config PMC_YOSEMITE
  289. bool "PMC-Sierra Yosemite eval board"
  290. select CEVT_R4K
  291. select CSRC_R4K
  292. select DMA_COHERENT
  293. select HW_HAS_PCI
  294. select IRQ_CPU
  295. select IRQ_CPU_RM7K
  296. select IRQ_CPU_RM9K
  297. select SWAP_IO_SPACE
  298. select SYS_HAS_CPU_RM9000
  299. select SYS_HAS_EARLY_PRINTK
  300. select SYS_SUPPORTS_32BIT_KERNEL
  301. select SYS_SUPPORTS_64BIT_KERNEL
  302. select SYS_SUPPORTS_BIG_ENDIAN
  303. select SYS_SUPPORTS_HIGHMEM
  304. select SYS_SUPPORTS_SMP
  305. help
  306. Yosemite is an evaluation board for the RM9000x2 processor
  307. manufactured by PMC-Sierra.
  308. config SGI_IP22
  309. bool "SGI IP22 (Indy/Indigo2)"
  310. select ARC
  311. select ARC32
  312. select BOOT_ELF32
  313. select CEVT_R4K
  314. select CSRC_R4K
  315. select DEFAULT_SGI_PARTITION
  316. select DMA_NONCOHERENT
  317. select HW_HAS_EISA
  318. select I8253
  319. select I8259
  320. select IP22_CPU_SCACHE
  321. select IRQ_CPU
  322. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  323. select SGI_HAS_I8042
  324. select SGI_HAS_INDYDOG
  325. select SGI_HAS_HAL2
  326. select SGI_HAS_SEEQ
  327. select SGI_HAS_WD93
  328. select SGI_HAS_ZILOG
  329. select SWAP_IO_SPACE
  330. select SYS_HAS_CPU_R4X00
  331. select SYS_HAS_CPU_R5000
  332. select SYS_HAS_EARLY_PRINTK
  333. select SYS_SUPPORTS_32BIT_KERNEL
  334. select SYS_SUPPORTS_64BIT_KERNEL
  335. select SYS_SUPPORTS_BIG_ENDIAN
  336. help
  337. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  338. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  339. that runs on these, say Y here.
  340. config SGI_IP27
  341. bool "SGI IP27 (Origin200/2000)"
  342. select ARC
  343. select ARC64
  344. select BOOT_ELF64
  345. select DEFAULT_SGI_PARTITION
  346. select DMA_COHERENT
  347. select SYS_HAS_EARLY_PRINTK
  348. select HW_HAS_PCI
  349. select NR_CPUS_DEFAULT_64
  350. select SYS_HAS_CPU_R10000
  351. select SYS_SUPPORTS_64BIT_KERNEL
  352. select SYS_SUPPORTS_BIG_ENDIAN
  353. select SYS_SUPPORTS_NUMA
  354. select SYS_SUPPORTS_SMP
  355. help
  356. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  357. workstations. To compile a Linux kernel that runs on these, say Y
  358. here.
  359. config SGI_IP28
  360. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  361. depends on EXPERIMENTAL
  362. select ARC
  363. select ARC64
  364. select BOOT_ELF64
  365. select CEVT_R4K
  366. select CSRC_R4K
  367. select DEFAULT_SGI_PARTITION
  368. select DMA_NONCOHERENT
  369. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  370. select IRQ_CPU
  371. select HW_HAS_EISA
  372. select I8253
  373. select I8259
  374. select SGI_HAS_I8042
  375. select SGI_HAS_INDYDOG
  376. select SGI_HAS_HAL2
  377. select SGI_HAS_SEEQ
  378. select SGI_HAS_WD93
  379. select SGI_HAS_ZILOG
  380. select SWAP_IO_SPACE
  381. select SYS_HAS_CPU_R10000
  382. select SYS_HAS_EARLY_PRINTK
  383. select SYS_SUPPORTS_64BIT_KERNEL
  384. select SYS_SUPPORTS_BIG_ENDIAN
  385. help
  386. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  387. kernel that runs on these, say Y here.
  388. config SGI_IP32
  389. bool "SGI IP32 (O2)"
  390. select ARC
  391. select ARC32
  392. select BOOT_ELF32
  393. select CEVT_R4K
  394. select CSRC_R4K
  395. select DMA_NONCOHERENT
  396. select HW_HAS_PCI
  397. select IRQ_CPU
  398. select R5000_CPU_SCACHE
  399. select RM7000_CPU_SCACHE
  400. select SYS_HAS_CPU_R5000
  401. select SYS_HAS_CPU_R10000 if BROKEN
  402. select SYS_HAS_CPU_RM7000
  403. select SYS_HAS_CPU_NEVADA
  404. select SYS_SUPPORTS_64BIT_KERNEL
  405. select SYS_SUPPORTS_BIG_ENDIAN
  406. help
  407. If you want this kernel to run on SGI O2 workstation, say Y here.
  408. config SIBYTE_CRHINE
  409. bool "Sibyte BCM91120C-CRhine"
  410. depends on EXPERIMENTAL
  411. select BOOT_ELF32
  412. select DMA_COHERENT
  413. select SIBYTE_BCM1120
  414. select SWAP_IO_SPACE
  415. select SYS_HAS_CPU_SB1
  416. select SYS_SUPPORTS_BIG_ENDIAN
  417. select SYS_SUPPORTS_LITTLE_ENDIAN
  418. config SIBYTE_CARMEL
  419. bool "Sibyte BCM91120x-Carmel"
  420. depends on EXPERIMENTAL
  421. select BOOT_ELF32
  422. select DMA_COHERENT
  423. select SIBYTE_BCM1120
  424. select SWAP_IO_SPACE
  425. select SYS_HAS_CPU_SB1
  426. select SYS_SUPPORTS_BIG_ENDIAN
  427. select SYS_SUPPORTS_LITTLE_ENDIAN
  428. config SIBYTE_CRHONE
  429. bool "Sibyte BCM91125C-CRhone"
  430. depends on EXPERIMENTAL
  431. select BOOT_ELF32
  432. select DMA_COHERENT
  433. select SIBYTE_BCM1125
  434. select SWAP_IO_SPACE
  435. select SYS_HAS_CPU_SB1
  436. select SYS_SUPPORTS_BIG_ENDIAN
  437. select SYS_SUPPORTS_HIGHMEM
  438. select SYS_SUPPORTS_LITTLE_ENDIAN
  439. config SIBYTE_RHONE
  440. bool "Sibyte BCM91125E-Rhone"
  441. depends on EXPERIMENTAL
  442. select BOOT_ELF32
  443. select DMA_COHERENT
  444. select SIBYTE_BCM1125H
  445. select SWAP_IO_SPACE
  446. select SYS_HAS_CPU_SB1
  447. select SYS_SUPPORTS_BIG_ENDIAN
  448. select SYS_SUPPORTS_LITTLE_ENDIAN
  449. config SIBYTE_SWARM
  450. bool "Sibyte BCM91250A-SWARM"
  451. select BOOT_ELF32
  452. select DMA_COHERENT
  453. select NR_CPUS_DEFAULT_2
  454. select SIBYTE_SB1250
  455. select SWAP_IO_SPACE
  456. select SYS_HAS_CPU_SB1
  457. select SYS_SUPPORTS_BIG_ENDIAN
  458. select SYS_SUPPORTS_HIGHMEM
  459. select SYS_SUPPORTS_LITTLE_ENDIAN
  460. select ZONE_DMA32 if 64BIT
  461. config SIBYTE_LITTLESUR
  462. bool "Sibyte BCM91250C2-LittleSur"
  463. depends on EXPERIMENTAL
  464. select BOOT_ELF32
  465. select DMA_COHERENT
  466. select NR_CPUS_DEFAULT_2
  467. select SIBYTE_SB1250
  468. select SWAP_IO_SPACE
  469. select SYS_HAS_CPU_SB1
  470. select SYS_SUPPORTS_BIG_ENDIAN
  471. select SYS_SUPPORTS_HIGHMEM
  472. select SYS_SUPPORTS_LITTLE_ENDIAN
  473. config SIBYTE_SENTOSA
  474. bool "Sibyte BCM91250E-Sentosa"
  475. depends on EXPERIMENTAL
  476. select BOOT_ELF32
  477. select DMA_COHERENT
  478. select NR_CPUS_DEFAULT_2
  479. select SIBYTE_SB1250
  480. select SWAP_IO_SPACE
  481. select SYS_HAS_CPU_SB1
  482. select SYS_SUPPORTS_BIG_ENDIAN
  483. select SYS_SUPPORTS_LITTLE_ENDIAN
  484. config SIBYTE_BIGSUR
  485. bool "Sibyte BCM91480B-BigSur"
  486. select BOOT_ELF32
  487. select DMA_COHERENT
  488. select NR_CPUS_DEFAULT_4
  489. select SIBYTE_BCM1x80
  490. select SWAP_IO_SPACE
  491. select SYS_HAS_CPU_SB1
  492. select SYS_SUPPORTS_BIG_ENDIAN
  493. select SYS_SUPPORTS_HIGHMEM
  494. select SYS_SUPPORTS_LITTLE_ENDIAN
  495. select ZONE_DMA32 if 64BIT
  496. config SNI_RM
  497. bool "SNI RM200/300/400"
  498. select ARC if CPU_LITTLE_ENDIAN
  499. select ARC32 if CPU_LITTLE_ENDIAN
  500. select SNIPROM if CPU_BIG_ENDIAN
  501. select ARCH_MAY_HAVE_PC_FDC
  502. select BOOT_ELF32
  503. select CEVT_R4K
  504. select CSRC_R4K
  505. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  506. select DMA_NONCOHERENT
  507. select GENERIC_ISA_DMA
  508. select HW_HAS_EISA
  509. select HW_HAS_PCI
  510. select IRQ_CPU
  511. select I8253
  512. select I8259
  513. select ISA
  514. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  515. select SYS_HAS_CPU_R4X00
  516. select SYS_HAS_CPU_R5000
  517. select SYS_HAS_CPU_R10000
  518. select R5000_CPU_SCACHE
  519. select SYS_HAS_EARLY_PRINTK
  520. select SYS_SUPPORTS_32BIT_KERNEL
  521. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  522. select SYS_SUPPORTS_BIG_ENDIAN
  523. select SYS_SUPPORTS_HIGHMEM
  524. select SYS_SUPPORTS_LITTLE_ENDIAN
  525. help
  526. The SNI RM200/300/400 are MIPS-based machines manufactured by
  527. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  528. Technology and now in turn merged with Fujitsu. Say Y here to
  529. support this machine type.
  530. config MACH_TX39XX
  531. bool "Toshiba TX39 series based machines"
  532. config MACH_TX49XX
  533. bool "Toshiba TX49 series based machines"
  534. config MIKROTIK_RB532
  535. bool "Mikrotik RB532 boards"
  536. select CEVT_R4K
  537. select CSRC_R4K
  538. select DMA_NONCOHERENT
  539. select HW_HAS_PCI
  540. select IRQ_CPU
  541. select SYS_HAS_CPU_MIPS32_R1
  542. select SYS_SUPPORTS_32BIT_KERNEL
  543. select SYS_SUPPORTS_LITTLE_ENDIAN
  544. select SWAP_IO_SPACE
  545. select BOOT_RAW
  546. select ARCH_REQUIRE_GPIOLIB
  547. help
  548. Support the Mikrotik(tm) RouterBoard 532 series,
  549. based on the IDT RC32434 SoC.
  550. config WR_PPMC
  551. bool "Wind River PPMC board"
  552. select CEVT_R4K
  553. select CSRC_R4K
  554. select IRQ_CPU
  555. select BOOT_ELF32
  556. select DMA_NONCOHERENT
  557. select HW_HAS_PCI
  558. select PCI_GT64XXX_PCI0
  559. select SWAP_IO_SPACE
  560. select SYS_HAS_CPU_MIPS32_R1
  561. select SYS_HAS_CPU_MIPS32_R2
  562. select SYS_HAS_CPU_MIPS64_R1
  563. select SYS_HAS_CPU_NEVADA
  564. select SYS_HAS_CPU_RM7000
  565. select SYS_SUPPORTS_32BIT_KERNEL
  566. select SYS_SUPPORTS_64BIT_KERNEL
  567. select SYS_SUPPORTS_BIG_ENDIAN
  568. select SYS_SUPPORTS_LITTLE_ENDIAN
  569. help
  570. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  571. board, which is based on GT64120 bridge chip.
  572. config CAVIUM_OCTEON_SIMULATOR
  573. bool "Cavium Networks Octeon Simulator"
  574. select CEVT_R4K
  575. select 64BIT_PHYS_ADDR
  576. select DMA_COHERENT
  577. select SYS_SUPPORTS_64BIT_KERNEL
  578. select SYS_SUPPORTS_BIG_ENDIAN
  579. select SYS_SUPPORTS_HIGHMEM
  580. select SYS_SUPPORTS_HOTPLUG_CPU
  581. select SYS_HAS_CPU_CAVIUM_OCTEON
  582. help
  583. The Octeon simulator is software performance model of the Cavium
  584. Octeon Processor. It supports simulating Octeon processors on x86
  585. hardware.
  586. config CAVIUM_OCTEON_REFERENCE_BOARD
  587. bool "Cavium Networks Octeon reference board"
  588. select CEVT_R4K
  589. select 64BIT_PHYS_ADDR
  590. select DMA_COHERENT
  591. select SYS_SUPPORTS_64BIT_KERNEL
  592. select SYS_SUPPORTS_BIG_ENDIAN
  593. select SYS_SUPPORTS_HIGHMEM
  594. select SYS_SUPPORTS_HOTPLUG_CPU
  595. select SYS_HAS_EARLY_PRINTK
  596. select SYS_HAS_CPU_CAVIUM_OCTEON
  597. select SWAP_IO_SPACE
  598. select HW_HAS_PCI
  599. select ARCH_SUPPORTS_MSI
  600. help
  601. This option supports all of the Octeon reference boards from Cavium
  602. Networks. It builds a kernel that dynamically determines the Octeon
  603. CPU type and supports all known board reference implementations.
  604. Some of the supported boards are:
  605. EBT3000
  606. EBH3000
  607. EBH3100
  608. Thunder
  609. Kodama
  610. Hikari
  611. Say Y here for most Octeon reference boards.
  612. endchoice
  613. source "arch/mips/alchemy/Kconfig"
  614. source "arch/mips/basler/excite/Kconfig"
  615. source "arch/mips/bcm63xx/Kconfig"
  616. source "arch/mips/jazz/Kconfig"
  617. source "arch/mips/lasat/Kconfig"
  618. source "arch/mips/pmc-sierra/Kconfig"
  619. source "arch/mips/sgi-ip27/Kconfig"
  620. source "arch/mips/sibyte/Kconfig"
  621. source "arch/mips/txx9/Kconfig"
  622. source "arch/mips/vr41xx/Kconfig"
  623. source "arch/mips/cavium-octeon/Kconfig"
  624. source "arch/mips/loongson/Kconfig"
  625. endmenu
  626. config RWSEM_GENERIC_SPINLOCK
  627. bool
  628. default y
  629. config RWSEM_XCHGADD_ALGORITHM
  630. bool
  631. config ARCH_HAS_ILOG2_U32
  632. bool
  633. default n
  634. config ARCH_HAS_ILOG2_U64
  635. bool
  636. default n
  637. config ARCH_SUPPORTS_OPROFILE
  638. bool
  639. default y if !MIPS_MT_SMTC
  640. config GENERIC_FIND_NEXT_BIT
  641. bool
  642. default y
  643. config GENERIC_HWEIGHT
  644. bool
  645. default y
  646. config GENERIC_CALIBRATE_DELAY
  647. bool
  648. default y
  649. config GENERIC_CLOCKEVENTS
  650. bool
  651. default y
  652. config GENERIC_TIME
  653. bool
  654. default y
  655. config GENERIC_CMOS_UPDATE
  656. bool
  657. default y
  658. config SCHED_OMIT_FRAME_POINTER
  659. bool
  660. default y
  661. config GENERIC_HARDIRQS_NO__DO_IRQ
  662. def_bool y
  663. #
  664. # Select some configuration options automatically based on user selections.
  665. #
  666. config ARC
  667. bool
  668. config ARCH_MAY_HAVE_PC_FDC
  669. bool
  670. config BOOT_RAW
  671. bool
  672. config CEVT_BCM1480
  673. bool
  674. config CEVT_DS1287
  675. bool
  676. config CEVT_GT641XX
  677. bool
  678. config CEVT_R4K_LIB
  679. bool
  680. config CEVT_R4K
  681. select CEVT_R4K_LIB
  682. bool
  683. config CEVT_SB1250
  684. bool
  685. config CEVT_TXX9
  686. bool
  687. config CSRC_BCM1480
  688. bool
  689. config CSRC_IOASIC
  690. bool
  691. config CSRC_R4K_LIB
  692. bool
  693. config CSRC_R4K
  694. select CSRC_R4K_LIB
  695. bool
  696. config CSRC_SB1250
  697. bool
  698. config GPIO_TXX9
  699. select GENERIC_GPIO
  700. select ARCH_REQUIRE_GPIOLIB
  701. bool
  702. config CFE
  703. bool
  704. config DMA_COHERENT
  705. bool
  706. config DMA_NONCOHERENT
  707. bool
  708. select DMA_NEED_PCI_MAP_STATE
  709. config DMA_NEED_PCI_MAP_STATE
  710. bool
  711. config EARLY_PRINTK
  712. bool "Early printk" if EMBEDDED && DEBUG_KERNEL
  713. depends on SYS_HAS_EARLY_PRINTK
  714. default y
  715. help
  716. This option enables special console drivers which allow the kernel
  717. to print messages very early in the bootup process.
  718. This is useful for kernel debugging when your machine crashes very
  719. early before the console code is initialized. For normal operation,
  720. it is not recommended because it looks ugly on some machines and
  721. doesn't cooperate with an X server. You should normally say N here,
  722. unless you want to debug such a crash.
  723. config SYS_HAS_EARLY_PRINTK
  724. bool
  725. config HOTPLUG_CPU
  726. bool "Support for hot-pluggable CPUs"
  727. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  728. help
  729. Say Y here to allow turning CPUs off and on. CPUs can be
  730. controlled through /sys/devices/system/cpu.
  731. (Note: power management support will enable this option
  732. automatically on SMP systems. )
  733. Say N if you want to disable CPU hotplug.
  734. config SYS_SUPPORTS_HOTPLUG_CPU
  735. bool
  736. config I8259
  737. bool
  738. config MIPS_BONITO64
  739. bool
  740. config MIPS_MSC
  741. bool
  742. config MIPS_NILE4
  743. bool
  744. config MIPS_DISABLE_OBSOLETE_IDE
  745. bool
  746. config SYNC_R4K
  747. bool
  748. config NO_IOPORT
  749. def_bool n
  750. config GENERIC_ISA_DMA
  751. bool
  752. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  753. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  754. bool
  755. select GENERIC_ISA_DMA
  756. config GENERIC_GPIO
  757. bool
  758. #
  759. # Endianess selection. Sufficiently obscure so many users don't know what to
  760. # answer,so we try hard to limit the available choices. Also the use of a
  761. # choice statement should be more obvious to the user.
  762. #
  763. choice
  764. prompt "Endianess selection"
  765. help
  766. Some MIPS machines can be configured for either little or big endian
  767. byte order. These modes require different kernels and a different
  768. Linux distribution. In general there is one preferred byteorder for a
  769. particular system but some systems are just as commonly used in the
  770. one or the other endianness.
  771. config CPU_BIG_ENDIAN
  772. bool "Big endian"
  773. depends on SYS_SUPPORTS_BIG_ENDIAN
  774. config CPU_LITTLE_ENDIAN
  775. bool "Little endian"
  776. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  777. help
  778. endchoice
  779. config SYS_SUPPORTS_APM_EMULATION
  780. bool
  781. config SYS_SUPPORTS_BIG_ENDIAN
  782. bool
  783. config SYS_SUPPORTS_LITTLE_ENDIAN
  784. bool
  785. config SYS_SUPPORTS_HUGETLBFS
  786. bool
  787. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  788. default y
  789. config IRQ_CPU
  790. bool
  791. config IRQ_CPU_RM7K
  792. bool
  793. config IRQ_CPU_RM9K
  794. bool
  795. config IRQ_MSP_SLP
  796. bool
  797. config IRQ_MSP_CIC
  798. bool
  799. config IRQ_TXX9
  800. bool
  801. config IRQ_GT641XX
  802. bool
  803. config IRQ_GIC
  804. bool
  805. config IRQ_CPU_OCTEON
  806. bool
  807. config MIPS_BOARDS_GEN
  808. bool
  809. config PCI_GT64XXX_PCI0
  810. bool
  811. config NO_EXCEPT_FILL
  812. bool
  813. config MIPS_RM9122
  814. bool
  815. select SERIAL_RM9000
  816. config SOC_EMMA2RH
  817. bool
  818. select CEVT_R4K
  819. select CSRC_R4K
  820. select DMA_NONCOHERENT
  821. select IRQ_CPU
  822. select SWAP_IO_SPACE
  823. select SYS_HAS_CPU_R5500
  824. select SYS_SUPPORTS_32BIT_KERNEL
  825. select SYS_SUPPORTS_64BIT_KERNEL
  826. select SYS_SUPPORTS_BIG_ENDIAN
  827. config SOC_PNX833X
  828. bool
  829. select CEVT_R4K
  830. select CSRC_R4K
  831. select IRQ_CPU
  832. select DMA_NONCOHERENT
  833. select SYS_HAS_CPU_MIPS32_R2
  834. select SYS_SUPPORTS_32BIT_KERNEL
  835. select SYS_SUPPORTS_LITTLE_ENDIAN
  836. select SYS_SUPPORTS_BIG_ENDIAN
  837. select GENERIC_GPIO
  838. select CPU_MIPSR2_IRQ_VI
  839. config SOC_PNX8335
  840. bool
  841. select SOC_PNX833X
  842. config PNX8550
  843. bool
  844. select SOC_PNX8550
  845. config SOC_PNX8550
  846. bool
  847. select DMA_NONCOHERENT
  848. select HW_HAS_PCI
  849. select SYS_HAS_CPU_MIPS32_R1
  850. select SYS_HAS_EARLY_PRINTK
  851. select SYS_SUPPORTS_32BIT_KERNEL
  852. select GENERIC_GPIO
  853. config SWAP_IO_SPACE
  854. bool
  855. config SERIAL_RM9000
  856. bool
  857. config SGI_HAS_INDYDOG
  858. bool
  859. config SGI_HAS_HAL2
  860. bool
  861. config SGI_HAS_SEEQ
  862. bool
  863. config SGI_HAS_WD93
  864. bool
  865. config SGI_HAS_ZILOG
  866. bool
  867. config SGI_HAS_I8042
  868. bool
  869. config DEFAULT_SGI_PARTITION
  870. bool
  871. config ARC32
  872. bool
  873. config SNIPROM
  874. bool
  875. config BOOT_ELF32
  876. bool
  877. config MIPS_L1_CACHE_SHIFT
  878. int
  879. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  880. default "6" if MIPS_CPU_SCACHE
  881. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  882. default "5"
  883. config HAVE_STD_PC_SERIAL_PORT
  884. bool
  885. config ARC_CONSOLE
  886. bool "ARC console support"
  887. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  888. config ARC_MEMORY
  889. bool
  890. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  891. default y
  892. config ARC_PROMLIB
  893. bool
  894. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  895. default y
  896. config ARC64
  897. bool
  898. config BOOT_ELF64
  899. bool
  900. menu "CPU selection"
  901. choice
  902. prompt "CPU type"
  903. default CPU_R4X00
  904. config CPU_LOONGSON2E
  905. bool "Loongson 2E"
  906. depends on SYS_HAS_CPU_LOONGSON2E
  907. select CPU_LOONGSON2
  908. help
  909. The Loongson 2E processor implements the MIPS III instruction set
  910. with many extensions.
  911. config CPU_MIPS32_R1
  912. bool "MIPS32 Release 1"
  913. depends on SYS_HAS_CPU_MIPS32_R1
  914. select CPU_HAS_PREFETCH
  915. select CPU_SUPPORTS_32BIT_KERNEL
  916. select CPU_SUPPORTS_HIGHMEM
  917. help
  918. Choose this option to build a kernel for release 1 or later of the
  919. MIPS32 architecture. Most modern embedded systems with a 32-bit
  920. MIPS processor are based on a MIPS32 processor. If you know the
  921. specific type of processor in your system, choose those that one
  922. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  923. Release 2 of the MIPS32 architecture is available since several
  924. years so chances are you even have a MIPS32 Release 2 processor
  925. in which case you should choose CPU_MIPS32_R2 instead for better
  926. performance.
  927. config CPU_MIPS32_R2
  928. bool "MIPS32 Release 2"
  929. depends on SYS_HAS_CPU_MIPS32_R2
  930. select CPU_HAS_PREFETCH
  931. select CPU_SUPPORTS_32BIT_KERNEL
  932. select CPU_SUPPORTS_HIGHMEM
  933. help
  934. Choose this option to build a kernel for release 2 or later of the
  935. MIPS32 architecture. Most modern embedded systems with a 32-bit
  936. MIPS processor are based on a MIPS32 processor. If you know the
  937. specific type of processor in your system, choose those that one
  938. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  939. config CPU_MIPS64_R1
  940. bool "MIPS64 Release 1"
  941. depends on SYS_HAS_CPU_MIPS64_R1
  942. select CPU_HAS_PREFETCH
  943. select CPU_SUPPORTS_32BIT_KERNEL
  944. select CPU_SUPPORTS_64BIT_KERNEL
  945. select CPU_SUPPORTS_HIGHMEM
  946. select CPU_SUPPORTS_HUGEPAGES
  947. help
  948. Choose this option to build a kernel for release 1 or later of the
  949. MIPS64 architecture. Many modern embedded systems with a 64-bit
  950. MIPS processor are based on a MIPS64 processor. If you know the
  951. specific type of processor in your system, choose those that one
  952. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  953. Release 2 of the MIPS64 architecture is available since several
  954. years so chances are you even have a MIPS64 Release 2 processor
  955. in which case you should choose CPU_MIPS64_R2 instead for better
  956. performance.
  957. config CPU_MIPS64_R2
  958. bool "MIPS64 Release 2"
  959. depends on SYS_HAS_CPU_MIPS64_R2
  960. select CPU_HAS_PREFETCH
  961. select CPU_SUPPORTS_32BIT_KERNEL
  962. select CPU_SUPPORTS_64BIT_KERNEL
  963. select CPU_SUPPORTS_HIGHMEM
  964. select CPU_SUPPORTS_HUGEPAGES
  965. help
  966. Choose this option to build a kernel for release 2 or later of the
  967. MIPS64 architecture. Many modern embedded systems with a 64-bit
  968. MIPS processor are based on a MIPS64 processor. If you know the
  969. specific type of processor in your system, choose those that one
  970. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  971. config CPU_R3000
  972. bool "R3000"
  973. depends on SYS_HAS_CPU_R3000
  974. select CPU_HAS_WB
  975. select CPU_SUPPORTS_32BIT_KERNEL
  976. select CPU_SUPPORTS_HIGHMEM
  977. help
  978. Please make sure to pick the right CPU type. Linux/MIPS is not
  979. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  980. *not* work on R4000 machines and vice versa. However, since most
  981. of the supported machines have an R4000 (or similar) CPU, R4x00
  982. might be a safe bet. If the resulting kernel does not work,
  983. try to recompile with R3000.
  984. config CPU_TX39XX
  985. bool "R39XX"
  986. depends on SYS_HAS_CPU_TX39XX
  987. select CPU_SUPPORTS_32BIT_KERNEL
  988. config CPU_VR41XX
  989. bool "R41xx"
  990. depends on SYS_HAS_CPU_VR41XX
  991. select CPU_SUPPORTS_32BIT_KERNEL
  992. select CPU_SUPPORTS_64BIT_KERNEL
  993. help
  994. The options selects support for the NEC VR4100 series of processors.
  995. Only choose this option if you have one of these processors as a
  996. kernel built with this option will not run on any other type of
  997. processor or vice versa.
  998. config CPU_R4300
  999. bool "R4300"
  1000. depends on SYS_HAS_CPU_R4300
  1001. select CPU_SUPPORTS_32BIT_KERNEL
  1002. select CPU_SUPPORTS_64BIT_KERNEL
  1003. help
  1004. MIPS Technologies R4300-series processors.
  1005. config CPU_R4X00
  1006. bool "R4x00"
  1007. depends on SYS_HAS_CPU_R4X00
  1008. select CPU_SUPPORTS_32BIT_KERNEL
  1009. select CPU_SUPPORTS_64BIT_KERNEL
  1010. help
  1011. MIPS Technologies R4000-series processors other than 4300, including
  1012. the R4000, R4400, R4600, and 4700.
  1013. config CPU_TX49XX
  1014. bool "R49XX"
  1015. depends on SYS_HAS_CPU_TX49XX
  1016. select CPU_HAS_PREFETCH
  1017. select CPU_SUPPORTS_32BIT_KERNEL
  1018. select CPU_SUPPORTS_64BIT_KERNEL
  1019. config CPU_R5000
  1020. bool "R5000"
  1021. depends on SYS_HAS_CPU_R5000
  1022. select CPU_SUPPORTS_32BIT_KERNEL
  1023. select CPU_SUPPORTS_64BIT_KERNEL
  1024. help
  1025. MIPS Technologies R5000-series processors other than the Nevada.
  1026. config CPU_R5432
  1027. bool "R5432"
  1028. depends on SYS_HAS_CPU_R5432
  1029. select CPU_SUPPORTS_32BIT_KERNEL
  1030. select CPU_SUPPORTS_64BIT_KERNEL
  1031. config CPU_R5500
  1032. bool "R5500"
  1033. depends on SYS_HAS_CPU_R5500
  1034. select CPU_SUPPORTS_32BIT_KERNEL
  1035. select CPU_SUPPORTS_64BIT_KERNEL
  1036. select CPU_SUPPORTS_HUGEPAGES
  1037. help
  1038. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1039. instruction set.
  1040. config CPU_R6000
  1041. bool "R6000"
  1042. depends on EXPERIMENTAL
  1043. depends on SYS_HAS_CPU_R6000
  1044. select CPU_SUPPORTS_32BIT_KERNEL
  1045. help
  1046. MIPS Technologies R6000 and R6000A series processors. Note these
  1047. processors are extremely rare and the support for them is incomplete.
  1048. config CPU_NEVADA
  1049. bool "RM52xx"
  1050. depends on SYS_HAS_CPU_NEVADA
  1051. select CPU_SUPPORTS_32BIT_KERNEL
  1052. select CPU_SUPPORTS_64BIT_KERNEL
  1053. help
  1054. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1055. config CPU_R8000
  1056. bool "R8000"
  1057. depends on EXPERIMENTAL
  1058. depends on SYS_HAS_CPU_R8000
  1059. select CPU_HAS_PREFETCH
  1060. select CPU_SUPPORTS_64BIT_KERNEL
  1061. help
  1062. MIPS Technologies R8000 processors. Note these processors are
  1063. uncommon and the support for them is incomplete.
  1064. config CPU_R10000
  1065. bool "R10000"
  1066. depends on SYS_HAS_CPU_R10000
  1067. select CPU_HAS_PREFETCH
  1068. select CPU_SUPPORTS_32BIT_KERNEL
  1069. select CPU_SUPPORTS_64BIT_KERNEL
  1070. select CPU_SUPPORTS_HIGHMEM
  1071. help
  1072. MIPS Technologies R10000-series processors.
  1073. config CPU_RM7000
  1074. bool "RM7000"
  1075. depends on SYS_HAS_CPU_RM7000
  1076. select CPU_HAS_PREFETCH
  1077. select CPU_SUPPORTS_32BIT_KERNEL
  1078. select CPU_SUPPORTS_64BIT_KERNEL
  1079. select CPU_SUPPORTS_HIGHMEM
  1080. config CPU_RM9000
  1081. bool "RM9000"
  1082. depends on SYS_HAS_CPU_RM9000
  1083. select CPU_HAS_PREFETCH
  1084. select CPU_SUPPORTS_32BIT_KERNEL
  1085. select CPU_SUPPORTS_64BIT_KERNEL
  1086. select CPU_SUPPORTS_HIGHMEM
  1087. select WEAK_ORDERING
  1088. config CPU_SB1
  1089. bool "SB1"
  1090. depends on SYS_HAS_CPU_SB1
  1091. select CPU_SUPPORTS_32BIT_KERNEL
  1092. select CPU_SUPPORTS_64BIT_KERNEL
  1093. select CPU_SUPPORTS_HIGHMEM
  1094. select WEAK_ORDERING
  1095. config CPU_CAVIUM_OCTEON
  1096. bool "Cavium Octeon processor"
  1097. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1098. select IRQ_CPU
  1099. select IRQ_CPU_OCTEON
  1100. select CPU_HAS_PREFETCH
  1101. select CPU_SUPPORTS_64BIT_KERNEL
  1102. select SYS_SUPPORTS_SMP
  1103. select NR_CPUS_DEFAULT_16
  1104. select WEAK_ORDERING
  1105. select WEAK_REORDERING_BEYOND_LLSC
  1106. select CPU_SUPPORTS_HIGHMEM
  1107. select CPU_SUPPORTS_HUGEPAGES
  1108. help
  1109. The Cavium Octeon processor is a highly integrated chip containing
  1110. many ethernet hardware widgets for networking tasks. The processor
  1111. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1112. Full details can be found at http://www.caviumnetworks.com.
  1113. endchoice
  1114. config CPU_LOONGSON2
  1115. bool
  1116. select CPU_SUPPORTS_32BIT_KERNEL
  1117. select CPU_SUPPORTS_64BIT_KERNEL
  1118. select CPU_SUPPORTS_HIGHMEM
  1119. config SYS_HAS_CPU_LOONGSON2E
  1120. bool
  1121. config SYS_HAS_CPU_MIPS32_R1
  1122. bool
  1123. config SYS_HAS_CPU_MIPS32_R2
  1124. bool
  1125. config SYS_HAS_CPU_MIPS64_R1
  1126. bool
  1127. config SYS_HAS_CPU_MIPS64_R2
  1128. bool
  1129. config SYS_HAS_CPU_R3000
  1130. bool
  1131. config SYS_HAS_CPU_TX39XX
  1132. bool
  1133. config SYS_HAS_CPU_VR41XX
  1134. bool
  1135. config SYS_HAS_CPU_R4300
  1136. bool
  1137. config SYS_HAS_CPU_R4X00
  1138. bool
  1139. config SYS_HAS_CPU_TX49XX
  1140. bool
  1141. config SYS_HAS_CPU_R5000
  1142. bool
  1143. config SYS_HAS_CPU_R5432
  1144. bool
  1145. config SYS_HAS_CPU_R5500
  1146. bool
  1147. config SYS_HAS_CPU_R6000
  1148. bool
  1149. config SYS_HAS_CPU_NEVADA
  1150. bool
  1151. config SYS_HAS_CPU_R8000
  1152. bool
  1153. config SYS_HAS_CPU_R10000
  1154. bool
  1155. config SYS_HAS_CPU_RM7000
  1156. bool
  1157. config SYS_HAS_CPU_RM9000
  1158. bool
  1159. config SYS_HAS_CPU_SB1
  1160. bool
  1161. config SYS_HAS_CPU_CAVIUM_OCTEON
  1162. bool
  1163. #
  1164. # CPU may reorder R->R, R->W, W->R, W->W
  1165. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1166. #
  1167. config WEAK_ORDERING
  1168. bool
  1169. #
  1170. # CPU may reorder reads and writes beyond LL/SC
  1171. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1172. #
  1173. config WEAK_REORDERING_BEYOND_LLSC
  1174. bool
  1175. endmenu
  1176. #
  1177. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1178. #
  1179. config CPU_MIPS32
  1180. bool
  1181. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1182. config CPU_MIPS64
  1183. bool
  1184. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1185. #
  1186. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1187. #
  1188. config CPU_MIPSR1
  1189. bool
  1190. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1191. config CPU_MIPSR2
  1192. bool
  1193. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1194. config SYS_SUPPORTS_32BIT_KERNEL
  1195. bool
  1196. config SYS_SUPPORTS_64BIT_KERNEL
  1197. bool
  1198. config CPU_SUPPORTS_32BIT_KERNEL
  1199. bool
  1200. config CPU_SUPPORTS_64BIT_KERNEL
  1201. bool
  1202. config CPU_SUPPORTS_HUGEPAGES
  1203. bool
  1204. #
  1205. # Set to y for ptrace access to watch registers.
  1206. #
  1207. config HARDWARE_WATCHPOINTS
  1208. bool
  1209. default y if CPU_MIPSR1 || CPU_MIPSR2
  1210. menu "Kernel type"
  1211. choice
  1212. prompt "Kernel code model"
  1213. help
  1214. You should only select this option if you have a workload that
  1215. actually benefits from 64-bit processing or if your machine has
  1216. large memory. You will only be presented a single option in this
  1217. menu if your system does not support both 32-bit and 64-bit kernels.
  1218. config 32BIT
  1219. bool "32-bit kernel"
  1220. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1221. select TRAD_SIGNALS
  1222. help
  1223. Select this option if you want to build a 32-bit kernel.
  1224. config 64BIT
  1225. bool "64-bit kernel"
  1226. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1227. select HAVE_SYSCALL_WRAPPERS
  1228. help
  1229. Select this option if you want to build a 64-bit kernel.
  1230. endchoice
  1231. choice
  1232. prompt "Kernel page size"
  1233. default PAGE_SIZE_4KB
  1234. config PAGE_SIZE_4KB
  1235. bool "4kB"
  1236. help
  1237. This option select the standard 4kB Linux page size. On some
  1238. R3000-family processors this is the only available page size. Using
  1239. 4kB page size will minimize memory consumption and is therefore
  1240. recommended for low memory systems.
  1241. config PAGE_SIZE_8KB
  1242. bool "8kB"
  1243. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1244. help
  1245. Using 8kB page size will result in higher performance kernel at
  1246. the price of higher memory consumption. This option is available
  1247. only on R8000 and cnMIPS processors. Note that you will need a
  1248. suitable Linux distribution to support this.
  1249. config PAGE_SIZE_16KB
  1250. bool "16kB"
  1251. depends on !CPU_R3000 && !CPU_TX39XX
  1252. help
  1253. Using 16kB page size will result in higher performance kernel at
  1254. the price of higher memory consumption. This option is available on
  1255. all non-R3000 family processors. Note that you will need a suitable
  1256. Linux distribution to support this.
  1257. config PAGE_SIZE_32KB
  1258. bool "32kB"
  1259. depends on CPU_CAVIUM_OCTEON
  1260. help
  1261. Using 32kB page size will result in higher performance kernel at
  1262. the price of higher memory consumption. This option is available
  1263. only on cnMIPS cores. Note that you will need a suitable Linux
  1264. distribution to support this.
  1265. config PAGE_SIZE_64KB
  1266. bool "64kB"
  1267. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1268. help
  1269. Using 64kB page size will result in higher performance kernel at
  1270. the price of higher memory consumption. This option is available on
  1271. all non-R3000 family processor. Not that at the time of this
  1272. writing this option is still high experimental.
  1273. endchoice
  1274. config BOARD_SCACHE
  1275. bool
  1276. config IP22_CPU_SCACHE
  1277. bool
  1278. select BOARD_SCACHE
  1279. #
  1280. # Support for a MIPS32 / MIPS64 style S-caches
  1281. #
  1282. config MIPS_CPU_SCACHE
  1283. bool
  1284. select BOARD_SCACHE
  1285. config R5000_CPU_SCACHE
  1286. bool
  1287. select BOARD_SCACHE
  1288. config RM7000_CPU_SCACHE
  1289. bool
  1290. select BOARD_SCACHE
  1291. config SIBYTE_DMA_PAGEOPS
  1292. bool "Use DMA to clear/copy pages"
  1293. depends on CPU_SB1
  1294. help
  1295. Instead of using the CPU to zero and copy pages, use a Data Mover
  1296. channel. These DMA channels are otherwise unused by the standard
  1297. SiByte Linux port. Seems to give a small performance benefit.
  1298. config CPU_HAS_PREFETCH
  1299. bool
  1300. choice
  1301. prompt "MIPS MT options"
  1302. config MIPS_MT_DISABLED
  1303. bool "Disable multithreading support."
  1304. help
  1305. Use this option if your workload can't take advantage of
  1306. MIPS hardware multithreading support. On systems that don't have
  1307. the option of an MT-enabled processor this option will be the only
  1308. option in this menu.
  1309. config MIPS_MT_SMP
  1310. bool "Use 1 TC on each available VPE for SMP"
  1311. depends on SYS_SUPPORTS_MULTITHREADING
  1312. select CPU_MIPSR2_IRQ_VI
  1313. select CPU_MIPSR2_IRQ_EI
  1314. select MIPS_MT
  1315. select NR_CPUS_DEFAULT_2
  1316. select SMP
  1317. select SYS_SUPPORTS_SCHED_SMT if SMP
  1318. select SYS_SUPPORTS_SMP
  1319. select SMP_UP
  1320. help
  1321. This is a kernel model which is also known a VSMP or lately
  1322. has been marketesed into SMVP.
  1323. config MIPS_MT_SMTC
  1324. bool "SMTC: Use all TCs on all VPEs for SMP"
  1325. depends on CPU_MIPS32_R2
  1326. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1327. depends on SYS_SUPPORTS_MULTITHREADING
  1328. select CPU_MIPSR2_IRQ_VI
  1329. select CPU_MIPSR2_IRQ_EI
  1330. select MIPS_MT
  1331. select NR_CPUS_DEFAULT_8
  1332. select SMP
  1333. select SYS_SUPPORTS_SMP
  1334. select SMP_UP
  1335. help
  1336. This is a kernel model which is known a SMTC or lately has been
  1337. marketesed into SMVP.
  1338. endchoice
  1339. config MIPS_MT
  1340. bool
  1341. config SCHED_SMT
  1342. bool "SMT (multithreading) scheduler support"
  1343. depends on SYS_SUPPORTS_SCHED_SMT
  1344. default n
  1345. help
  1346. SMT scheduler support improves the CPU scheduler's decision making
  1347. when dealing with MIPS MT enabled cores at a cost of slightly
  1348. increased overhead in some places. If unsure say N here.
  1349. config SYS_SUPPORTS_SCHED_SMT
  1350. bool
  1351. config SYS_SUPPORTS_MULTITHREADING
  1352. bool
  1353. config MIPS_MT_FPAFF
  1354. bool "Dynamic FPU affinity for FP-intensive threads"
  1355. default y
  1356. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1357. config MIPS_VPE_LOADER
  1358. bool "VPE loader support."
  1359. depends on SYS_SUPPORTS_MULTITHREADING
  1360. select CPU_MIPSR2_IRQ_VI
  1361. select CPU_MIPSR2_IRQ_EI
  1362. select MIPS_MT
  1363. help
  1364. Includes a loader for loading an elf relocatable object
  1365. onto another VPE and running it.
  1366. config MIPS_MT_SMTC_IM_BACKSTOP
  1367. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1368. depends on MIPS_MT_SMTC
  1369. default n
  1370. help
  1371. To support multiple TC microthreads acting as "CPUs" within
  1372. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1373. during interrupt handling. To support legacy drivers and interrupt
  1374. controller management code, SMTC has a "backstop" to track and
  1375. if necessary restore the interrupt mask. This has some performance
  1376. impact on interrupt service overhead.
  1377. config MIPS_MT_SMTC_IRQAFF
  1378. bool "Support IRQ affinity API"
  1379. depends on MIPS_MT_SMTC
  1380. default n
  1381. help
  1382. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1383. for SMTC Linux kernel. Requires platform support, of which
  1384. an example can be found in the MIPS kernel i8259 and Malta
  1385. platform code. Adds some overhead to interrupt dispatch, and
  1386. should be used only if you know what you are doing.
  1387. config MIPS_VPE_LOADER_TOM
  1388. bool "Load VPE program into memory hidden from linux"
  1389. depends on MIPS_VPE_LOADER
  1390. default y
  1391. help
  1392. The loader can use memory that is present but has been hidden from
  1393. Linux using the kernel command line option "mem=xxMB". It's up to
  1394. you to ensure the amount you put in the option and the space your
  1395. program requires is less or equal to the amount physically present.
  1396. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1397. config MIPS_VPE_APSP_API
  1398. bool "Enable support for AP/SP API (RTLX)"
  1399. depends on MIPS_VPE_LOADER
  1400. help
  1401. config MIPS_APSP_KSPD
  1402. bool "Enable KSPD"
  1403. depends on MIPS_VPE_APSP_API
  1404. default y
  1405. help
  1406. KSPD is a kernel daemon that accepts syscall requests from the SP
  1407. side, actions them and returns the results. It also handles the
  1408. "exit" syscall notifying other kernel modules the SP program is
  1409. exiting. You probably want to say yes here.
  1410. config MIPS_CMP
  1411. bool "MIPS CMP framework support"
  1412. depends on SYS_SUPPORTS_MIPS_CMP
  1413. select SYNC_R4K
  1414. select SYS_SUPPORTS_SMP
  1415. select SYS_SUPPORTS_SCHED_SMT if SMP
  1416. select WEAK_ORDERING
  1417. default n
  1418. help
  1419. This is a placeholder option for the GCMP work. It will need to
  1420. be handled differently...
  1421. config SB1_PASS_1_WORKAROUNDS
  1422. bool
  1423. depends on CPU_SB1_PASS_1
  1424. default y
  1425. config SB1_PASS_2_WORKAROUNDS
  1426. bool
  1427. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1428. default y
  1429. config SB1_PASS_2_1_WORKAROUNDS
  1430. bool
  1431. depends on CPU_SB1 && CPU_SB1_PASS_2
  1432. default y
  1433. config 64BIT_PHYS_ADDR
  1434. bool
  1435. config CPU_HAS_SMARTMIPS
  1436. depends on SYS_SUPPORTS_SMARTMIPS
  1437. bool "Support for the SmartMIPS ASE"
  1438. help
  1439. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1440. increased security at both hardware and software level for
  1441. smartcards. Enabling this option will allow proper use of the
  1442. SmartMIPS instructions by Linux applications. However a kernel with
  1443. this option will not work on a MIPS core without SmartMIPS core. If
  1444. you don't know you probably don't have SmartMIPS and should say N
  1445. here.
  1446. config CPU_HAS_WB
  1447. bool
  1448. #
  1449. # Vectored interrupt mode is an R2 feature
  1450. #
  1451. config CPU_MIPSR2_IRQ_VI
  1452. bool
  1453. #
  1454. # Extended interrupt mode is an R2 feature
  1455. #
  1456. config CPU_MIPSR2_IRQ_EI
  1457. bool
  1458. config CPU_HAS_SYNC
  1459. bool
  1460. depends on !CPU_R3000
  1461. default y
  1462. config GENERIC_CLOCKEVENTS_BROADCAST
  1463. bool
  1464. #
  1465. # CPU non-features
  1466. #
  1467. config CPU_DADDI_WORKAROUNDS
  1468. bool
  1469. config CPU_R4000_WORKAROUNDS
  1470. bool
  1471. select CPU_R4400_WORKAROUNDS
  1472. config CPU_R4400_WORKAROUNDS
  1473. bool
  1474. #
  1475. # Use the generic interrupt handling code in kernel/irq/:
  1476. #
  1477. config GENERIC_HARDIRQS
  1478. bool
  1479. default y
  1480. config GENERIC_IRQ_PROBE
  1481. bool
  1482. default y
  1483. config IRQ_PER_CPU
  1484. bool
  1485. #
  1486. # - Highmem only makes sense for the 32-bit kernel.
  1487. # - The current highmem code will only work properly on physically indexed
  1488. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1489. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1490. # moment we protect the user and offer the highmem option only on machines
  1491. # where it's known to be safe. This will not offer highmem on a few systems
  1492. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1493. # indexed CPUs but we're playing safe.
  1494. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1495. # know they might have memory configurations that could make use of highmem
  1496. # support.
  1497. #
  1498. config HIGHMEM
  1499. bool "High Memory Support"
  1500. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1501. config CPU_SUPPORTS_HIGHMEM
  1502. bool
  1503. config SYS_SUPPORTS_HIGHMEM
  1504. bool
  1505. config SYS_SUPPORTS_SMARTMIPS
  1506. bool
  1507. config ARCH_FLATMEM_ENABLE
  1508. def_bool y
  1509. depends on !NUMA
  1510. config ARCH_DISCONTIGMEM_ENABLE
  1511. bool
  1512. default y if SGI_IP27
  1513. help
  1514. Say Y to support efficient handling of discontiguous physical memory,
  1515. for architectures which are either NUMA (Non-Uniform Memory Access)
  1516. or have huge holes in the physical address space for other reasons.
  1517. See <file:Documentation/vm/numa> for more.
  1518. config ARCH_POPULATES_NODE_MAP
  1519. def_bool y
  1520. config ARCH_SPARSEMEM_ENABLE
  1521. bool
  1522. select SPARSEMEM_STATIC
  1523. config NUMA
  1524. bool "NUMA Support"
  1525. depends on SYS_SUPPORTS_NUMA
  1526. help
  1527. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1528. Access). This option improves performance on systems with more
  1529. than two nodes; on two node systems it is generally better to
  1530. leave it disabled; on single node systems disable this option
  1531. disabled.
  1532. config SYS_SUPPORTS_NUMA
  1533. bool
  1534. config NODES_SHIFT
  1535. int
  1536. default "6"
  1537. depends on NEED_MULTIPLE_NODES
  1538. source "mm/Kconfig"
  1539. config SMP
  1540. bool "Multi-Processing support"
  1541. depends on SYS_SUPPORTS_SMP
  1542. select IRQ_PER_CPU
  1543. select USE_GENERIC_SMP_HELPERS
  1544. help
  1545. This enables support for systems with more than one CPU. If you have
  1546. a system with only one CPU, like most personal computers, say N. If
  1547. you have a system with more than one CPU, say Y.
  1548. If you say N here, the kernel will run on single and multiprocessor
  1549. machines, but will use only one CPU of a multiprocessor machine. If
  1550. you say Y here, the kernel will run on many, but not all,
  1551. singleprocessor machines. On a singleprocessor machine, the kernel
  1552. will run faster if you say N here.
  1553. People using multiprocessor machines who say Y here should also say
  1554. Y to "Enhanced Real Time Clock Support", below.
  1555. See also the SMP-HOWTO available at
  1556. <http://www.tldp.org/docs.html#howto>.
  1557. If you don't know what to do here, say N.
  1558. config SMP_UP
  1559. bool
  1560. config SYS_SUPPORTS_MIPS_CMP
  1561. bool
  1562. config SYS_SUPPORTS_SMP
  1563. bool
  1564. config NR_CPUS_DEFAULT_1
  1565. bool
  1566. config NR_CPUS_DEFAULT_2
  1567. bool
  1568. config NR_CPUS_DEFAULT_4
  1569. bool
  1570. config NR_CPUS_DEFAULT_8
  1571. bool
  1572. config NR_CPUS_DEFAULT_16
  1573. bool
  1574. config NR_CPUS_DEFAULT_32
  1575. bool
  1576. config NR_CPUS_DEFAULT_64
  1577. bool
  1578. config NR_CPUS
  1579. int "Maximum number of CPUs (2-64)"
  1580. range 1 64 if NR_CPUS_DEFAULT_1
  1581. depends on SMP
  1582. default "1" if NR_CPUS_DEFAULT_1
  1583. default "2" if NR_CPUS_DEFAULT_2
  1584. default "4" if NR_CPUS_DEFAULT_4
  1585. default "8" if NR_CPUS_DEFAULT_8
  1586. default "16" if NR_CPUS_DEFAULT_16
  1587. default "32" if NR_CPUS_DEFAULT_32
  1588. default "64" if NR_CPUS_DEFAULT_64
  1589. help
  1590. This allows you to specify the maximum number of CPUs which this
  1591. kernel will support. The maximum supported value is 32 for 32-bit
  1592. kernel and 64 for 64-bit kernels; the minimum value which makes
  1593. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1594. and 2 for all others.
  1595. This is purely to save memory - each supported CPU adds
  1596. approximately eight kilobytes to the kernel image. For best
  1597. performance should round up your number of processors to the next
  1598. power of two.
  1599. source "kernel/time/Kconfig"
  1600. #
  1601. # Timer Interrupt Frequency Configuration
  1602. #
  1603. choice
  1604. prompt "Timer frequency"
  1605. default HZ_250
  1606. help
  1607. Allows the configuration of the timer frequency.
  1608. config HZ_48
  1609. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1610. config HZ_100
  1611. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1612. config HZ_128
  1613. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1614. config HZ_250
  1615. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1616. config HZ_256
  1617. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1618. config HZ_1000
  1619. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1620. config HZ_1024
  1621. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1622. endchoice
  1623. config SYS_SUPPORTS_48HZ
  1624. bool
  1625. config SYS_SUPPORTS_100HZ
  1626. bool
  1627. config SYS_SUPPORTS_128HZ
  1628. bool
  1629. config SYS_SUPPORTS_250HZ
  1630. bool
  1631. config SYS_SUPPORTS_256HZ
  1632. bool
  1633. config SYS_SUPPORTS_1000HZ
  1634. bool
  1635. config SYS_SUPPORTS_1024HZ
  1636. bool
  1637. config SYS_SUPPORTS_ARBIT_HZ
  1638. bool
  1639. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1640. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1641. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1642. !SYS_SUPPORTS_1024HZ
  1643. config HZ
  1644. int
  1645. default 48 if HZ_48
  1646. default 100 if HZ_100
  1647. default 128 if HZ_128
  1648. default 250 if HZ_250
  1649. default 256 if HZ_256
  1650. default 1000 if HZ_1000
  1651. default 1024 if HZ_1024
  1652. source "kernel/Kconfig.preempt"
  1653. config MIPS_INSANE_LARGE
  1654. bool "Support for large 64-bit configurations"
  1655. depends on CPU_R10000 && 64BIT
  1656. help
  1657. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1658. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1659. need processes of more than 1TB virtual address space, say Y here.
  1660. This will result in additional memory usage, so it is not
  1661. recommended for normal users.
  1662. config KEXEC
  1663. bool "Kexec system call (EXPERIMENTAL)"
  1664. depends on EXPERIMENTAL
  1665. help
  1666. kexec is a system call that implements the ability to shutdown your
  1667. current kernel, and to start another kernel. It is like a reboot
  1668. but it is independent of the system firmware. And like a reboot
  1669. you can start any kernel with it, not just Linux.
  1670. The name comes from the similarity to the exec system call.
  1671. It is an ongoing process to be certain the hardware in a machine
  1672. is properly shutdown, so do not be surprised if this code does not
  1673. initially work for you. It may help to enable device hotplugging
  1674. support. As of this writing the exact hardware interface is
  1675. strongly in flux, so no good recommendation can be made.
  1676. config SECCOMP
  1677. bool "Enable seccomp to safely compute untrusted bytecode"
  1678. depends on PROC_FS
  1679. default y
  1680. help
  1681. This kernel feature is useful for number crunching applications
  1682. that may need to compute untrusted bytecode during their
  1683. execution. By using pipes or other transports made available to
  1684. the process as file descriptors supporting the read/write
  1685. syscalls, it's possible to isolate those applications in
  1686. their own address space using seccomp. Once seccomp is
  1687. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1688. and the task is only allowed to execute a few safe syscalls
  1689. defined by each seccomp mode.
  1690. If unsure, say Y. Only embedded should say N here.
  1691. endmenu
  1692. config LOCKDEP_SUPPORT
  1693. bool
  1694. default y
  1695. config STACKTRACE_SUPPORT
  1696. bool
  1697. default y
  1698. source "init/Kconfig"
  1699. config PROBE_INITRD_HEADER
  1700. bool "Probe initrd header created by addinitrd"
  1701. depends on BLK_DEV_INITRD
  1702. help
  1703. Probe initrd header at the last page of kernel image.
  1704. Say Y here if you are using arch/mips/boot/addinitrd.c to
  1705. add initrd or initramfs image to the kernel image.
  1706. Otherwise, say N.
  1707. source "kernel/Kconfig.freezer"
  1708. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1709. config HW_HAS_EISA
  1710. bool
  1711. config HW_HAS_PCI
  1712. bool
  1713. config PCI
  1714. bool "Support for PCI controller"
  1715. depends on HW_HAS_PCI
  1716. select PCI_DOMAINS
  1717. help
  1718. Find out whether you have a PCI motherboard. PCI is the name of a
  1719. bus system, i.e. the way the CPU talks to the other stuff inside
  1720. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1721. say Y, otherwise N.
  1722. config PCI_DOMAINS
  1723. bool
  1724. source "drivers/pci/Kconfig"
  1725. #
  1726. # ISA support is now enabled via select. Too many systems still have the one
  1727. # or other ISA chip on the board that users don't know about so don't expect
  1728. # users to choose the right thing ...
  1729. #
  1730. config ISA
  1731. bool
  1732. config EISA
  1733. bool "EISA support"
  1734. depends on HW_HAS_EISA
  1735. select ISA
  1736. select GENERIC_ISA_DMA
  1737. ---help---
  1738. The Extended Industry Standard Architecture (EISA) bus was
  1739. developed as an open alternative to the IBM MicroChannel bus.
  1740. The EISA bus provided some of the features of the IBM MicroChannel
  1741. bus while maintaining backward compatibility with cards made for
  1742. the older ISA bus. The EISA bus saw limited use between 1988 and
  1743. 1995 when it was made obsolete by the PCI bus.
  1744. Say Y here if you are building a kernel for an EISA-based machine.
  1745. Otherwise, say N.
  1746. source "drivers/eisa/Kconfig"
  1747. config TC
  1748. bool "TURBOchannel support"
  1749. depends on MACH_DECSTATION
  1750. help
  1751. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1752. processors. Documentation on writing device drivers for TurboChannel
  1753. is available at:
  1754. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1755. #config ACCESSBUS
  1756. # bool "Access.Bus support"
  1757. # depends on TC
  1758. config MMU
  1759. bool
  1760. default y
  1761. config I8253
  1762. bool
  1763. config ZONE_DMA32
  1764. bool
  1765. source "drivers/pcmcia/Kconfig"
  1766. source "drivers/pci/hotplug/Kconfig"
  1767. endmenu
  1768. menu "Executable file formats"
  1769. source "fs/Kconfig.binfmt"
  1770. config TRAD_SIGNALS
  1771. bool
  1772. config MIPS32_COMPAT
  1773. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1774. depends on 64BIT
  1775. help
  1776. Select this option if you want Linux/MIPS 32-bit binary
  1777. compatibility. Since all software available for Linux/MIPS is
  1778. currently 32-bit you should say Y here.
  1779. config COMPAT
  1780. bool
  1781. depends on MIPS32_COMPAT
  1782. default y
  1783. config SYSVIPC_COMPAT
  1784. bool
  1785. depends on COMPAT && SYSVIPC
  1786. default y
  1787. config MIPS32_O32
  1788. bool "Kernel support for o32 binaries"
  1789. depends on MIPS32_COMPAT
  1790. help
  1791. Select this option if you want to run o32 binaries. These are pure
  1792. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1793. existing binaries are in this format.
  1794. If unsure, say Y.
  1795. config MIPS32_N32
  1796. bool "Kernel support for n32 binaries"
  1797. depends on MIPS32_COMPAT
  1798. help
  1799. Select this option if you want to run n32 binaries. These are
  1800. 64-bit binaries using 32-bit quantities for addressing and certain
  1801. data that would normally be 64-bit. They are used in special
  1802. cases.
  1803. If unsure, say N.
  1804. config BINFMT_ELF32
  1805. bool
  1806. default y if MIPS32_O32 || MIPS32_N32
  1807. endmenu
  1808. menu "Power management options"
  1809. config ARCH_HIBERNATION_POSSIBLE
  1810. def_bool y
  1811. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  1812. config ARCH_SUSPEND_POSSIBLE
  1813. def_bool y
  1814. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  1815. source "kernel/power/Kconfig"
  1816. endmenu
  1817. source "net/Kconfig"
  1818. source "drivers/Kconfig"
  1819. source "fs/Kconfig"
  1820. source "arch/mips/Kconfig.debug"
  1821. source "security/Kconfig"
  1822. source "crypto/Kconfig"
  1823. source "lib/Kconfig"