Kconfig 59 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_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select RTC_LIB if !MACH_LOONGSON
  20. select GENERIC_ATOMIC64 if !64BIT
  21. select HAVE_DMA_ATTRS
  22. select HAVE_DMA_API_DEBUG
  23. select HAVE_GENERIC_HARDIRQS
  24. select GENERIC_IRQ_PROBE
  25. select GENERIC_IRQ_SHOW
  26. select HAVE_ARCH_JUMP_LABEL
  27. select IRQ_FORCED_THREADING
  28. menu "Machine selection"
  29. config ZONE_DMA
  30. bool
  31. choice
  32. prompt "System type"
  33. default SGI_IP22
  34. config MIPS_ALCHEMY
  35. bool "Alchemy processor based machines"
  36. select 64BIT_PHYS_ADDR
  37. select CEVT_R4K_LIB
  38. select CSRC_R4K_LIB
  39. select IRQ_CPU
  40. select SYS_HAS_CPU_MIPS32_R1
  41. select SYS_SUPPORTS_32BIT_KERNEL
  42. select SYS_SUPPORTS_APM_EMULATION
  43. select GENERIC_GPIO
  44. select ARCH_WANT_OPTIONAL_GPIOLIB
  45. select SYS_SUPPORTS_ZBOOT
  46. config AR7
  47. bool "Texas Instruments AR7"
  48. select BOOT_ELF32
  49. select DMA_NONCOHERENT
  50. select CEVT_R4K
  51. select CSRC_R4K
  52. select IRQ_CPU
  53. select NO_EXCEPT_FILL
  54. select SWAP_IO_SPACE
  55. select SYS_HAS_CPU_MIPS32_R1
  56. select SYS_HAS_EARLY_PRINTK
  57. select SYS_SUPPORTS_32BIT_KERNEL
  58. select SYS_SUPPORTS_LITTLE_ENDIAN
  59. select SYS_SUPPORTS_ZBOOT_UART16550
  60. select ARCH_REQUIRE_GPIOLIB
  61. select GCD
  62. select VLYNQ
  63. help
  64. Support for the Texas Instruments AR7 System-on-a-Chip
  65. family: TNETD7100, 7200 and 7300.
  66. config ATH79
  67. bool "Atheros AR71XX/AR724X/AR913X based boards"
  68. select ARCH_REQUIRE_GPIOLIB
  69. select BOOT_RAW
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select DMA_NONCOHERENT
  73. select IRQ_CPU
  74. select MIPS_MACHINE
  75. select SYS_HAS_CPU_MIPS32_R2
  76. select SYS_HAS_EARLY_PRINTK
  77. select SYS_SUPPORTS_32BIT_KERNEL
  78. select SYS_SUPPORTS_BIG_ENDIAN
  79. help
  80. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  81. config BCM47XX
  82. bool "Broadcom BCM47XX based boards"
  83. select CEVT_R4K
  84. select CSRC_R4K
  85. select DMA_NONCOHERENT
  86. select HW_HAS_PCI
  87. select IRQ_CPU
  88. select SYS_HAS_CPU_MIPS32_R1
  89. select SYS_SUPPORTS_32BIT_KERNEL
  90. select SYS_SUPPORTS_LITTLE_ENDIAN
  91. select SSB
  92. select SSB_DRIVER_MIPS
  93. select SSB_DRIVER_EXTIF
  94. select SSB_EMBEDDED
  95. select SSB_B43_PCI_BRIDGE if PCI
  96. select SSB_PCICORE_HOSTMODE if PCI
  97. select GENERIC_GPIO
  98. select SYS_HAS_EARLY_PRINTK
  99. select CFE
  100. help
  101. Support for BCM47XX based boards
  102. config BCM63XX
  103. bool "Broadcom BCM63XX based boards"
  104. select CEVT_R4K
  105. select CSRC_R4K
  106. select DMA_NONCOHERENT
  107. select IRQ_CPU
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_BIG_ENDIAN
  111. select SYS_HAS_EARLY_PRINTK
  112. select SWAP_IO_SPACE
  113. select ARCH_REQUIRE_GPIOLIB
  114. help
  115. Support for BCM63XX based boards
  116. config MIPS_COBALT
  117. bool "Cobalt Server"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select CEVT_GT641XX
  121. select DMA_NONCOHERENT
  122. select HW_HAS_PCI
  123. select I8253
  124. select I8259
  125. select IRQ_CPU
  126. select IRQ_GT641XX
  127. select PCI_GT64XXX_PCI0
  128. select PCI
  129. select SYS_HAS_CPU_NEVADA
  130. select SYS_HAS_EARLY_PRINTK
  131. select SYS_SUPPORTS_32BIT_KERNEL
  132. select SYS_SUPPORTS_64BIT_KERNEL
  133. select SYS_SUPPORTS_LITTLE_ENDIAN
  134. config MACH_DECSTATION
  135. bool "DECstations"
  136. select BOOT_ELF32
  137. select CEVT_DS1287
  138. select CEVT_R4K
  139. select CSRC_IOASIC
  140. select CSRC_R4K
  141. select CPU_DADDI_WORKAROUNDS if 64BIT
  142. select CPU_R4000_WORKAROUNDS if 64BIT
  143. select CPU_R4400_WORKAROUNDS if 64BIT
  144. select DMA_NONCOHERENT
  145. select NO_IOPORT
  146. select IRQ_CPU
  147. select SYS_HAS_CPU_R3000
  148. select SYS_HAS_CPU_R4X00
  149. select SYS_SUPPORTS_32BIT_KERNEL
  150. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  151. select SYS_SUPPORTS_LITTLE_ENDIAN
  152. select SYS_SUPPORTS_128HZ
  153. select SYS_SUPPORTS_256HZ
  154. select SYS_SUPPORTS_1024HZ
  155. help
  156. This enables support for DEC's MIPS based workstations. For details
  157. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  158. DECstation porting pages on <http://decstation.unix-ag.org/>.
  159. If you have one of the following DECstation Models you definitely
  160. want to choose R4xx0 for the CPU Type:
  161. DECstation 5000/50
  162. DECstation 5000/150
  163. DECstation 5000/260
  164. DECsystem 5900/260
  165. otherwise choose R3000.
  166. config MACH_JAZZ
  167. bool "Jazz family of machines"
  168. select ARC
  169. select ARC32
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select CEVT_R4K
  172. select CSRC_R4K
  173. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  174. select GENERIC_ISA_DMA
  175. select HAVE_PCSPKR_PLATFORM
  176. select IRQ_CPU
  177. select I8253
  178. select I8259
  179. select ISA
  180. select SYS_HAS_CPU_R4X00
  181. select SYS_SUPPORTS_32BIT_KERNEL
  182. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  183. select SYS_SUPPORTS_100HZ
  184. help
  185. This a family of machines based on the MIPS R4030 chipset which was
  186. used by several vendors to build RISC/os and Windows NT workstations.
  187. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  188. Olivetti M700-10 workstations.
  189. config MACH_JZ4740
  190. bool "Ingenic JZ4740 based machines"
  191. select SYS_HAS_CPU_MIPS32_R1
  192. select SYS_SUPPORTS_32BIT_KERNEL
  193. select SYS_SUPPORTS_LITTLE_ENDIAN
  194. select DMA_NONCOHERENT
  195. select IRQ_CPU
  196. select GENERIC_GPIO
  197. select ARCH_REQUIRE_GPIOLIB
  198. select SYS_HAS_EARLY_PRINTK
  199. select HAVE_PWM
  200. select HAVE_CLK
  201. config LANTIQ
  202. bool "Lantiq based platforms"
  203. select DMA_NONCOHERENT
  204. select IRQ_CPU
  205. select CEVT_R4K
  206. select CSRC_R4K
  207. select SYS_HAS_CPU_MIPS32_R1
  208. select SYS_HAS_CPU_MIPS32_R2
  209. select SYS_SUPPORTS_BIG_ENDIAN
  210. select SYS_SUPPORTS_32BIT_KERNEL
  211. select SYS_SUPPORTS_MULTITHREADING
  212. select SYS_HAS_EARLY_PRINTK
  213. select ARCH_REQUIRE_GPIOLIB
  214. select SWAP_IO_SPACE
  215. select BOOT_RAW
  216. select HAVE_CLK
  217. select MIPS_MACHINE
  218. config LASAT
  219. bool "LASAT Networks platforms"
  220. select CEVT_R4K
  221. select CSRC_R4K
  222. select DMA_NONCOHERENT
  223. select SYS_HAS_EARLY_PRINTK
  224. select HW_HAS_PCI
  225. select IRQ_CPU
  226. select PCI_GT64XXX_PCI0
  227. select MIPS_NILE4
  228. select R5000_CPU_SCACHE
  229. select SYS_HAS_CPU_R5000
  230. select SYS_SUPPORTS_32BIT_KERNEL
  231. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  232. select SYS_SUPPORTS_LITTLE_ENDIAN
  233. config MACH_LOONGSON
  234. bool "Loongson family of machines"
  235. select SYS_SUPPORTS_ZBOOT
  236. help
  237. This enables the support of Loongson family of machines.
  238. Loongson is a family of general-purpose MIPS-compatible CPUs.
  239. developed at Institute of Computing Technology (ICT),
  240. Chinese Academy of Sciences (CAS) in the People's Republic
  241. of China. The chief architect is Professor Weiwu Hu.
  242. config MIPS_MALTA
  243. bool "MIPS Malta board"
  244. select ARCH_MAY_HAVE_PC_FDC
  245. select BOOT_ELF32
  246. select BOOT_RAW
  247. select CEVT_R4K
  248. select CSRC_R4K
  249. select DMA_NONCOHERENT
  250. select GENERIC_ISA_DMA
  251. select HAVE_PCSPKR_PLATFORM
  252. select IRQ_CPU
  253. select IRQ_GIC
  254. select HW_HAS_PCI
  255. select I8253
  256. select I8259
  257. select MIPS_BOARDS_GEN
  258. select MIPS_BONITO64
  259. select MIPS_CPU_SCACHE
  260. select PCI_GT64XXX_PCI0
  261. select MIPS_MSC
  262. select SWAP_IO_SPACE
  263. select SYS_HAS_CPU_MIPS32_R1
  264. select SYS_HAS_CPU_MIPS32_R2
  265. select SYS_HAS_CPU_MIPS64_R1
  266. select SYS_HAS_CPU_NEVADA
  267. select SYS_HAS_CPU_RM7000
  268. select SYS_HAS_EARLY_PRINTK
  269. select SYS_SUPPORTS_32BIT_KERNEL
  270. select SYS_SUPPORTS_64BIT_KERNEL
  271. select SYS_SUPPORTS_BIG_ENDIAN
  272. select SYS_SUPPORTS_LITTLE_ENDIAN
  273. select SYS_SUPPORTS_MIPS_CMP
  274. select SYS_SUPPORTS_MULTITHREADING
  275. select SYS_SUPPORTS_SMARTMIPS
  276. select SYS_SUPPORTS_ZBOOT
  277. help
  278. This enables support for the MIPS Technologies Malta evaluation
  279. board.
  280. config MIPS_SIM
  281. bool 'MIPS simulator (MIPSsim)'
  282. select CEVT_R4K
  283. select CSRC_R4K
  284. select DMA_NONCOHERENT
  285. select SYS_HAS_EARLY_PRINTK
  286. select IRQ_CPU
  287. select BOOT_RAW
  288. select SYS_HAS_CPU_MIPS32_R1
  289. select SYS_HAS_CPU_MIPS32_R2
  290. select SYS_HAS_EARLY_PRINTK
  291. select SYS_SUPPORTS_32BIT_KERNEL
  292. select SYS_SUPPORTS_BIG_ENDIAN
  293. select SYS_SUPPORTS_MULTITHREADING
  294. select SYS_SUPPORTS_LITTLE_ENDIAN
  295. help
  296. This option enables support for MIPS Technologies MIPSsim software
  297. emulator.
  298. config NEC_MARKEINS
  299. bool "NEC EMMA2RH Mark-eins board"
  300. select SOC_EMMA2RH
  301. select HW_HAS_PCI
  302. help
  303. This enables support for the NEC Electronics Mark-eins boards.
  304. config MACH_VR41XX
  305. bool "NEC VR4100 series based machines"
  306. select CEVT_R4K
  307. select CSRC_R4K
  308. select SYS_HAS_CPU_VR41XX
  309. select ARCH_REQUIRE_GPIOLIB
  310. config NXP_STB220
  311. bool "NXP STB220 board"
  312. select SOC_PNX833X
  313. help
  314. Support for NXP Semiconductors STB220 Development Board.
  315. config NXP_STB225
  316. bool "NXP 225 board"
  317. select SOC_PNX833X
  318. select SOC_PNX8335
  319. help
  320. Support for NXP Semiconductors STB225 Development Board.
  321. config PNX8550_JBS
  322. bool "NXP PNX8550 based JBS board"
  323. select PNX8550
  324. select SYS_SUPPORTS_LITTLE_ENDIAN
  325. config PNX8550_STB810
  326. bool "NXP PNX8550 based STB810 board"
  327. select PNX8550
  328. select SYS_SUPPORTS_LITTLE_ENDIAN
  329. config PMC_MSP
  330. bool "PMC-Sierra MSP chipsets"
  331. depends on EXPERIMENTAL
  332. select CEVT_R4K
  333. select CSRC_R4K
  334. select DMA_NONCOHERENT
  335. select SWAP_IO_SPACE
  336. select NO_EXCEPT_FILL
  337. select BOOT_RAW
  338. select SYS_HAS_CPU_MIPS32_R1
  339. select SYS_HAS_CPU_MIPS32_R2
  340. select SYS_SUPPORTS_32BIT_KERNEL
  341. select SYS_SUPPORTS_BIG_ENDIAN
  342. select IRQ_CPU
  343. select SERIAL_8250
  344. select SERIAL_8250_CONSOLE
  345. help
  346. This adds support for the PMC-Sierra family of Multi-Service
  347. Processor System-On-A-Chips. These parts include a number
  348. of integrated peripherals, interfaces and DSPs in addition to
  349. a variety of MIPS cores.
  350. config PMC_YOSEMITE
  351. bool "PMC-Sierra Yosemite eval board"
  352. select CEVT_R4K
  353. select CSRC_R4K
  354. select DMA_COHERENT
  355. select HW_HAS_PCI
  356. select IRQ_CPU
  357. select IRQ_CPU_RM7K
  358. select IRQ_CPU_RM9K
  359. select SWAP_IO_SPACE
  360. select SYS_HAS_CPU_RM9000
  361. select SYS_HAS_EARLY_PRINTK
  362. select SYS_SUPPORTS_32BIT_KERNEL
  363. select SYS_SUPPORTS_64BIT_KERNEL
  364. select SYS_SUPPORTS_BIG_ENDIAN
  365. select SYS_SUPPORTS_HIGHMEM
  366. select SYS_SUPPORTS_SMP
  367. help
  368. Yosemite is an evaluation board for the RM9000x2 processor
  369. manufactured by PMC-Sierra.
  370. config POWERTV
  371. bool "Cisco PowerTV"
  372. select BOOT_ELF32
  373. select CEVT_R4K
  374. select CPU_MIPSR2_IRQ_VI
  375. select CPU_MIPSR2_IRQ_EI
  376. select CSRC_POWERTV
  377. select DMA_NONCOHERENT
  378. select HW_HAS_PCI
  379. select SYS_HAS_EARLY_PRINTK
  380. select SYS_HAS_CPU_MIPS32_R2
  381. select SYS_SUPPORTS_32BIT_KERNEL
  382. select SYS_SUPPORTS_BIG_ENDIAN
  383. select SYS_SUPPORTS_HIGHMEM
  384. select USB_OHCI_LITTLE_ENDIAN
  385. help
  386. This enables support for the Cisco PowerTV Platform.
  387. config SGI_IP22
  388. bool "SGI IP22 (Indy/Indigo2)"
  389. select ARC
  390. select ARC32
  391. select BOOT_ELF32
  392. select CEVT_R4K
  393. select CSRC_R4K
  394. select DEFAULT_SGI_PARTITION
  395. select DMA_NONCOHERENT
  396. select HW_HAS_EISA
  397. select I8253
  398. select I8259
  399. select IP22_CPU_SCACHE
  400. select IRQ_CPU
  401. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  402. select SGI_HAS_I8042
  403. select SGI_HAS_INDYDOG
  404. select SGI_HAS_HAL2
  405. select SGI_HAS_SEEQ
  406. select SGI_HAS_WD93
  407. select SGI_HAS_ZILOG
  408. select SWAP_IO_SPACE
  409. select SYS_HAS_CPU_R4X00
  410. select SYS_HAS_CPU_R5000
  411. #
  412. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  413. # memory during early boot on some machines.
  414. #
  415. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  416. # for a more details discussion
  417. #
  418. # select SYS_HAS_EARLY_PRINTK
  419. select SYS_SUPPORTS_32BIT_KERNEL
  420. select SYS_SUPPORTS_64BIT_KERNEL
  421. select SYS_SUPPORTS_BIG_ENDIAN
  422. help
  423. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  424. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  425. that runs on these, say Y here.
  426. config SGI_IP27
  427. bool "SGI IP27 (Origin200/2000)"
  428. select ARC
  429. select ARC64
  430. select BOOT_ELF64
  431. select DEFAULT_SGI_PARTITION
  432. select DMA_COHERENT
  433. select SYS_HAS_EARLY_PRINTK
  434. select HW_HAS_PCI
  435. select NR_CPUS_DEFAULT_64
  436. select SYS_HAS_CPU_R10000
  437. select SYS_SUPPORTS_64BIT_KERNEL
  438. select SYS_SUPPORTS_BIG_ENDIAN
  439. select SYS_SUPPORTS_NUMA
  440. select SYS_SUPPORTS_SMP
  441. help
  442. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  443. workstations. To compile a Linux kernel that runs on these, say Y
  444. here.
  445. config SGI_IP28
  446. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  447. depends on EXPERIMENTAL
  448. select ARC
  449. select ARC64
  450. select BOOT_ELF64
  451. select CEVT_R4K
  452. select CSRC_R4K
  453. select DEFAULT_SGI_PARTITION
  454. select DMA_NONCOHERENT
  455. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  456. select IRQ_CPU
  457. select HW_HAS_EISA
  458. select I8253
  459. select I8259
  460. select SGI_HAS_I8042
  461. select SGI_HAS_INDYDOG
  462. select SGI_HAS_HAL2
  463. select SGI_HAS_SEEQ
  464. select SGI_HAS_WD93
  465. select SGI_HAS_ZILOG
  466. select SWAP_IO_SPACE
  467. select SYS_HAS_CPU_R10000
  468. #
  469. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  470. # memory during early boot on some machines.
  471. #
  472. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  473. # for a more details discussion
  474. #
  475. # select SYS_HAS_EARLY_PRINTK
  476. select SYS_SUPPORTS_64BIT_KERNEL
  477. select SYS_SUPPORTS_BIG_ENDIAN
  478. help
  479. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  480. kernel that runs on these, say Y here.
  481. config SGI_IP32
  482. bool "SGI IP32 (O2)"
  483. select ARC
  484. select ARC32
  485. select BOOT_ELF32
  486. select CEVT_R4K
  487. select CSRC_R4K
  488. select DMA_NONCOHERENT
  489. select HW_HAS_PCI
  490. select IRQ_CPU
  491. select R5000_CPU_SCACHE
  492. select RM7000_CPU_SCACHE
  493. select SYS_HAS_CPU_R5000
  494. select SYS_HAS_CPU_R10000 if BROKEN
  495. select SYS_HAS_CPU_RM7000
  496. select SYS_HAS_CPU_NEVADA
  497. select SYS_SUPPORTS_64BIT_KERNEL
  498. select SYS_SUPPORTS_BIG_ENDIAN
  499. help
  500. If you want this kernel to run on SGI O2 workstation, say Y here.
  501. config SIBYTE_CRHINE
  502. bool "Sibyte BCM91120C-CRhine"
  503. depends on EXPERIMENTAL
  504. select BOOT_ELF32
  505. select DMA_COHERENT
  506. select SIBYTE_BCM1120
  507. select SWAP_IO_SPACE
  508. select SYS_HAS_CPU_SB1
  509. select SYS_SUPPORTS_BIG_ENDIAN
  510. select SYS_SUPPORTS_LITTLE_ENDIAN
  511. config SIBYTE_CARMEL
  512. bool "Sibyte BCM91120x-Carmel"
  513. depends on EXPERIMENTAL
  514. select BOOT_ELF32
  515. select DMA_COHERENT
  516. select SIBYTE_BCM1120
  517. select SWAP_IO_SPACE
  518. select SYS_HAS_CPU_SB1
  519. select SYS_SUPPORTS_BIG_ENDIAN
  520. select SYS_SUPPORTS_LITTLE_ENDIAN
  521. config SIBYTE_CRHONE
  522. bool "Sibyte BCM91125C-CRhone"
  523. depends on EXPERIMENTAL
  524. select BOOT_ELF32
  525. select DMA_COHERENT
  526. select SIBYTE_BCM1125
  527. select SWAP_IO_SPACE
  528. select SYS_HAS_CPU_SB1
  529. select SYS_SUPPORTS_BIG_ENDIAN
  530. select SYS_SUPPORTS_HIGHMEM
  531. select SYS_SUPPORTS_LITTLE_ENDIAN
  532. config SIBYTE_RHONE
  533. bool "Sibyte BCM91125E-Rhone"
  534. depends on EXPERIMENTAL
  535. select BOOT_ELF32
  536. select DMA_COHERENT
  537. select SIBYTE_BCM1125H
  538. select SWAP_IO_SPACE
  539. select SYS_HAS_CPU_SB1
  540. select SYS_SUPPORTS_BIG_ENDIAN
  541. select SYS_SUPPORTS_LITTLE_ENDIAN
  542. config SIBYTE_SWARM
  543. bool "Sibyte BCM91250A-SWARM"
  544. select BOOT_ELF32
  545. select DMA_COHERENT
  546. select HAVE_PATA_PLATFORM
  547. select NR_CPUS_DEFAULT_2
  548. select SIBYTE_SB1250
  549. select SWAP_IO_SPACE
  550. select SYS_HAS_CPU_SB1
  551. select SYS_SUPPORTS_BIG_ENDIAN
  552. select SYS_SUPPORTS_HIGHMEM
  553. select SYS_SUPPORTS_LITTLE_ENDIAN
  554. select ZONE_DMA32 if 64BIT
  555. config SIBYTE_LITTLESUR
  556. bool "Sibyte BCM91250C2-LittleSur"
  557. depends on EXPERIMENTAL
  558. select BOOT_ELF32
  559. select DMA_COHERENT
  560. select HAVE_PATA_PLATFORM
  561. select NR_CPUS_DEFAULT_2
  562. select SIBYTE_SB1250
  563. select SWAP_IO_SPACE
  564. select SYS_HAS_CPU_SB1
  565. select SYS_SUPPORTS_BIG_ENDIAN
  566. select SYS_SUPPORTS_HIGHMEM
  567. select SYS_SUPPORTS_LITTLE_ENDIAN
  568. config SIBYTE_SENTOSA
  569. bool "Sibyte BCM91250E-Sentosa"
  570. depends on EXPERIMENTAL
  571. select BOOT_ELF32
  572. select DMA_COHERENT
  573. select NR_CPUS_DEFAULT_2
  574. select SIBYTE_SB1250
  575. select SWAP_IO_SPACE
  576. select SYS_HAS_CPU_SB1
  577. select SYS_SUPPORTS_BIG_ENDIAN
  578. select SYS_SUPPORTS_LITTLE_ENDIAN
  579. config SIBYTE_BIGSUR
  580. bool "Sibyte BCM91480B-BigSur"
  581. select BOOT_ELF32
  582. select DMA_COHERENT
  583. select NR_CPUS_DEFAULT_4
  584. select SIBYTE_BCM1x80
  585. select SWAP_IO_SPACE
  586. select SYS_HAS_CPU_SB1
  587. select SYS_SUPPORTS_BIG_ENDIAN
  588. select SYS_SUPPORTS_HIGHMEM
  589. select SYS_SUPPORTS_LITTLE_ENDIAN
  590. select ZONE_DMA32 if 64BIT
  591. config SNI_RM
  592. bool "SNI RM200/300/400"
  593. select ARC if CPU_LITTLE_ENDIAN
  594. select ARC32 if CPU_LITTLE_ENDIAN
  595. select SNIPROM if CPU_BIG_ENDIAN
  596. select ARCH_MAY_HAVE_PC_FDC
  597. select BOOT_ELF32
  598. select CEVT_R4K
  599. select CSRC_R4K
  600. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  601. select DMA_NONCOHERENT
  602. select GENERIC_ISA_DMA
  603. select HAVE_PCSPKR_PLATFORM
  604. select HW_HAS_EISA
  605. select HW_HAS_PCI
  606. select IRQ_CPU
  607. select I8253
  608. select I8259
  609. select ISA
  610. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  611. select SYS_HAS_CPU_R4X00
  612. select SYS_HAS_CPU_R5000
  613. select SYS_HAS_CPU_R10000
  614. select R5000_CPU_SCACHE
  615. select SYS_HAS_EARLY_PRINTK
  616. select SYS_SUPPORTS_32BIT_KERNEL
  617. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  618. select SYS_SUPPORTS_BIG_ENDIAN
  619. select SYS_SUPPORTS_HIGHMEM
  620. select SYS_SUPPORTS_LITTLE_ENDIAN
  621. help
  622. The SNI RM200/300/400 are MIPS-based machines manufactured by
  623. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  624. Technology and now in turn merged with Fujitsu. Say Y here to
  625. support this machine type.
  626. config MACH_TX39XX
  627. bool "Toshiba TX39 series based machines"
  628. config MACH_TX49XX
  629. bool "Toshiba TX49 series based machines"
  630. config MIKROTIK_RB532
  631. bool "Mikrotik RB532 boards"
  632. select CEVT_R4K
  633. select CSRC_R4K
  634. select DMA_NONCOHERENT
  635. select HW_HAS_PCI
  636. select IRQ_CPU
  637. select SYS_HAS_CPU_MIPS32_R1
  638. select SYS_SUPPORTS_32BIT_KERNEL
  639. select SYS_SUPPORTS_LITTLE_ENDIAN
  640. select SWAP_IO_SPACE
  641. select BOOT_RAW
  642. select ARCH_REQUIRE_GPIOLIB
  643. help
  644. Support the Mikrotik(tm) RouterBoard 532 series,
  645. based on the IDT RC32434 SoC.
  646. config WR_PPMC
  647. bool "Wind River PPMC board"
  648. select CEVT_R4K
  649. select CSRC_R4K
  650. select IRQ_CPU
  651. select BOOT_ELF32
  652. select DMA_NONCOHERENT
  653. select HW_HAS_PCI
  654. select PCI_GT64XXX_PCI0
  655. select SWAP_IO_SPACE
  656. select SYS_HAS_CPU_MIPS32_R1
  657. select SYS_HAS_CPU_MIPS32_R2
  658. select SYS_HAS_CPU_MIPS64_R1
  659. select SYS_HAS_CPU_NEVADA
  660. select SYS_HAS_CPU_RM7000
  661. select SYS_SUPPORTS_32BIT_KERNEL
  662. select SYS_SUPPORTS_64BIT_KERNEL
  663. select SYS_SUPPORTS_BIG_ENDIAN
  664. select SYS_SUPPORTS_LITTLE_ENDIAN
  665. help
  666. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  667. board, which is based on GT64120 bridge chip.
  668. config CAVIUM_OCTEON_SIMULATOR
  669. bool "Cavium Networks Octeon Simulator"
  670. select CEVT_R4K
  671. select 64BIT_PHYS_ADDR
  672. select DMA_COHERENT
  673. select SYS_SUPPORTS_64BIT_KERNEL
  674. select SYS_SUPPORTS_BIG_ENDIAN
  675. select SYS_SUPPORTS_HIGHMEM
  676. select SYS_SUPPORTS_HOTPLUG_CPU
  677. select SYS_HAS_CPU_CAVIUM_OCTEON
  678. help
  679. The Octeon simulator is software performance model of the Cavium
  680. Octeon Processor. It supports simulating Octeon processors on x86
  681. hardware.
  682. config CAVIUM_OCTEON_REFERENCE_BOARD
  683. bool "Cavium Networks Octeon reference board"
  684. select CEVT_R4K
  685. select 64BIT_PHYS_ADDR
  686. select DMA_COHERENT
  687. select SYS_SUPPORTS_64BIT_KERNEL
  688. select SYS_SUPPORTS_BIG_ENDIAN
  689. select SYS_SUPPORTS_HIGHMEM
  690. select SYS_SUPPORTS_HOTPLUG_CPU
  691. select SYS_HAS_EARLY_PRINTK
  692. select SYS_HAS_CPU_CAVIUM_OCTEON
  693. select SWAP_IO_SPACE
  694. select HW_HAS_PCI
  695. select ARCH_SUPPORTS_MSI
  696. select ZONE_DMA32
  697. select USB_ARCH_HAS_OHCI
  698. select USB_ARCH_HAS_EHCI
  699. help
  700. This option supports all of the Octeon reference boards from Cavium
  701. Networks. It builds a kernel that dynamically determines the Octeon
  702. CPU type and supports all known board reference implementations.
  703. Some of the supported boards are:
  704. EBT3000
  705. EBH3000
  706. EBH3100
  707. Thunder
  708. Kodama
  709. Hikari
  710. Say Y here for most Octeon reference boards.
  711. config NLM_XLR_BOARD
  712. bool "Netlogic XLR/XLS based systems"
  713. depends on EXPERIMENTAL
  714. select BOOT_ELF32
  715. select NLM_COMMON
  716. select NLM_XLR
  717. select SYS_HAS_CPU_XLR
  718. select SYS_SUPPORTS_SMP
  719. select HW_HAS_PCI
  720. select SWAP_IO_SPACE
  721. select SYS_SUPPORTS_32BIT_KERNEL
  722. select SYS_SUPPORTS_64BIT_KERNEL
  723. select 64BIT_PHYS_ADDR
  724. select SYS_SUPPORTS_BIG_ENDIAN
  725. select SYS_SUPPORTS_HIGHMEM
  726. select DMA_COHERENT
  727. select NR_CPUS_DEFAULT_32
  728. select CEVT_R4K
  729. select CSRC_R4K
  730. select IRQ_CPU
  731. select ZONE_DMA if 64BIT
  732. select SYNC_R4K
  733. select SYS_HAS_EARLY_PRINTK
  734. help
  735. Support for systems based on Netlogic XLR and XLS processors.
  736. Say Y here if you have a XLR or XLS based board.
  737. endchoice
  738. source "arch/mips/alchemy/Kconfig"
  739. source "arch/mips/ath79/Kconfig"
  740. source "arch/mips/bcm63xx/Kconfig"
  741. source "arch/mips/jazz/Kconfig"
  742. source "arch/mips/jz4740/Kconfig"
  743. source "arch/mips/lantiq/Kconfig"
  744. source "arch/mips/lasat/Kconfig"
  745. source "arch/mips/pmc-sierra/Kconfig"
  746. source "arch/mips/powertv/Kconfig"
  747. source "arch/mips/sgi-ip27/Kconfig"
  748. source "arch/mips/sibyte/Kconfig"
  749. source "arch/mips/txx9/Kconfig"
  750. source "arch/mips/vr41xx/Kconfig"
  751. source "arch/mips/cavium-octeon/Kconfig"
  752. source "arch/mips/loongson/Kconfig"
  753. source "arch/mips/netlogic/Kconfig"
  754. endmenu
  755. config RWSEM_GENERIC_SPINLOCK
  756. bool
  757. default y
  758. config RWSEM_XCHGADD_ALGORITHM
  759. bool
  760. config ARCH_HAS_ILOG2_U32
  761. bool
  762. default n
  763. config ARCH_HAS_ILOG2_U64
  764. bool
  765. default n
  766. config ARCH_SUPPORTS_OPROFILE
  767. bool
  768. default y if !MIPS_MT_SMTC
  769. config GENERIC_HWEIGHT
  770. bool
  771. default y
  772. config GENERIC_CALIBRATE_DELAY
  773. bool
  774. default y
  775. config GENERIC_CLOCKEVENTS
  776. bool
  777. default y
  778. config GENERIC_CMOS_UPDATE
  779. bool
  780. default y
  781. config SCHED_OMIT_FRAME_POINTER
  782. bool
  783. default y
  784. #
  785. # Select some configuration options automatically based on user selections.
  786. #
  787. config ARC
  788. bool
  789. config ARCH_MAY_HAVE_PC_FDC
  790. bool
  791. config BOOT_RAW
  792. bool
  793. config CEVT_BCM1480
  794. bool
  795. config CEVT_DS1287
  796. bool
  797. config CEVT_GT641XX
  798. bool
  799. config CEVT_R4K_LIB
  800. bool
  801. config CEVT_R4K
  802. select CEVT_R4K_LIB
  803. bool
  804. config CEVT_SB1250
  805. bool
  806. config CEVT_TXX9
  807. bool
  808. config CSRC_BCM1480
  809. bool
  810. config CSRC_IOASIC
  811. bool
  812. config CSRC_POWERTV
  813. bool
  814. config CSRC_R4K_LIB
  815. bool
  816. config CSRC_R4K
  817. select CSRC_R4K_LIB
  818. bool
  819. config CSRC_SB1250
  820. bool
  821. config GPIO_TXX9
  822. select GENERIC_GPIO
  823. select ARCH_REQUIRE_GPIOLIB
  824. bool
  825. config CFE
  826. bool
  827. config ARCH_DMA_ADDR_T_64BIT
  828. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  829. config DMA_COHERENT
  830. bool
  831. config DMA_NONCOHERENT
  832. bool
  833. select NEED_DMA_MAP_STATE
  834. config NEED_DMA_MAP_STATE
  835. bool
  836. config SYS_HAS_EARLY_PRINTK
  837. bool
  838. config HOTPLUG_CPU
  839. bool "Support for hot-pluggable CPUs"
  840. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  841. help
  842. Say Y here to allow turning CPUs off and on. CPUs can be
  843. controlled through /sys/devices/system/cpu.
  844. (Note: power management support will enable this option
  845. automatically on SMP systems. )
  846. Say N if you want to disable CPU hotplug.
  847. config SYS_SUPPORTS_HOTPLUG_CPU
  848. bool
  849. config I8259
  850. bool
  851. config MIPS_BONITO64
  852. bool
  853. config MIPS_MSC
  854. bool
  855. config MIPS_NILE4
  856. bool
  857. config MIPS_DISABLE_OBSOLETE_IDE
  858. bool
  859. config SYNC_R4K
  860. bool
  861. config MIPS_MACHINE
  862. def_bool n
  863. config NO_IOPORT
  864. def_bool n
  865. config GENERIC_ISA_DMA
  866. bool
  867. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  868. select ISA_DMA_API
  869. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  870. bool
  871. select GENERIC_ISA_DMA
  872. config ISA_DMA_API
  873. bool
  874. config GENERIC_GPIO
  875. bool
  876. #
  877. # Endianess selection. Sufficiently obscure so many users don't know what to
  878. # answer,so we try hard to limit the available choices. Also the use of a
  879. # choice statement should be more obvious to the user.
  880. #
  881. choice
  882. prompt "Endianess selection"
  883. help
  884. Some MIPS machines can be configured for either little or big endian
  885. byte order. These modes require different kernels and a different
  886. Linux distribution. In general there is one preferred byteorder for a
  887. particular system but some systems are just as commonly used in the
  888. one or the other endianness.
  889. config CPU_BIG_ENDIAN
  890. bool "Big endian"
  891. depends on SYS_SUPPORTS_BIG_ENDIAN
  892. config CPU_LITTLE_ENDIAN
  893. bool "Little endian"
  894. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  895. help
  896. endchoice
  897. config EXPORT_UASM
  898. bool
  899. config SYS_SUPPORTS_APM_EMULATION
  900. bool
  901. config SYS_SUPPORTS_BIG_ENDIAN
  902. bool
  903. config SYS_SUPPORTS_LITTLE_ENDIAN
  904. bool
  905. config SYS_SUPPORTS_HUGETLBFS
  906. bool
  907. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  908. default y
  909. config IRQ_CPU
  910. bool
  911. config IRQ_CPU_RM7K
  912. bool
  913. config IRQ_CPU_RM9K
  914. bool
  915. config IRQ_MSP_SLP
  916. bool
  917. config IRQ_MSP_CIC
  918. bool
  919. config IRQ_TXX9
  920. bool
  921. config IRQ_GT641XX
  922. bool
  923. config IRQ_GIC
  924. bool
  925. config MIPS_BOARDS_GEN
  926. bool
  927. config PCI_GT64XXX_PCI0
  928. bool
  929. config NO_EXCEPT_FILL
  930. bool
  931. config MIPS_RM9122
  932. bool
  933. select SERIAL_RM9000
  934. config SOC_EMMA2RH
  935. bool
  936. select CEVT_R4K
  937. select CSRC_R4K
  938. select DMA_NONCOHERENT
  939. select IRQ_CPU
  940. select SWAP_IO_SPACE
  941. select SYS_HAS_CPU_R5500
  942. select SYS_SUPPORTS_32BIT_KERNEL
  943. select SYS_SUPPORTS_64BIT_KERNEL
  944. select SYS_SUPPORTS_BIG_ENDIAN
  945. config SOC_PNX833X
  946. bool
  947. select CEVT_R4K
  948. select CSRC_R4K
  949. select IRQ_CPU
  950. select DMA_NONCOHERENT
  951. select SYS_HAS_CPU_MIPS32_R2
  952. select SYS_SUPPORTS_32BIT_KERNEL
  953. select SYS_SUPPORTS_LITTLE_ENDIAN
  954. select SYS_SUPPORTS_BIG_ENDIAN
  955. select GENERIC_GPIO
  956. select CPU_MIPSR2_IRQ_VI
  957. config SOC_PNX8335
  958. bool
  959. select SOC_PNX833X
  960. config PNX8550
  961. bool
  962. select SOC_PNX8550
  963. config SOC_PNX8550
  964. bool
  965. select DMA_NONCOHERENT
  966. select HW_HAS_PCI
  967. select SYS_HAS_CPU_MIPS32_R1
  968. select SYS_HAS_EARLY_PRINTK
  969. select SYS_SUPPORTS_32BIT_KERNEL
  970. select GENERIC_GPIO
  971. config SWAP_IO_SPACE
  972. bool
  973. config SERIAL_RM9000
  974. bool
  975. config SGI_HAS_INDYDOG
  976. bool
  977. config SGI_HAS_HAL2
  978. bool
  979. config SGI_HAS_SEEQ
  980. bool
  981. config SGI_HAS_WD93
  982. bool
  983. config SGI_HAS_ZILOG
  984. bool
  985. config SGI_HAS_I8042
  986. bool
  987. config DEFAULT_SGI_PARTITION
  988. bool
  989. config ARC32
  990. bool
  991. config SNIPROM
  992. bool
  993. config BOOT_ELF32
  994. bool
  995. config MIPS_L1_CACHE_SHIFT
  996. int
  997. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  998. default "6" if MIPS_CPU_SCACHE
  999. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1000. default "5"
  1001. config HAVE_STD_PC_SERIAL_PORT
  1002. bool
  1003. config ARC_CONSOLE
  1004. bool "ARC console support"
  1005. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1006. config ARC_MEMORY
  1007. bool
  1008. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1009. default y
  1010. config ARC_PROMLIB
  1011. bool
  1012. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1013. default y
  1014. config ARC64
  1015. bool
  1016. config BOOT_ELF64
  1017. bool
  1018. menu "CPU selection"
  1019. choice
  1020. prompt "CPU type"
  1021. default CPU_R4X00
  1022. config CPU_LOONGSON2E
  1023. bool "Loongson 2E"
  1024. depends on SYS_HAS_CPU_LOONGSON2E
  1025. select CPU_LOONGSON2
  1026. help
  1027. The Loongson 2E processor implements the MIPS III instruction set
  1028. with many extensions.
  1029. It has an internal FPGA northbridge, which is compatible to
  1030. bonito64.
  1031. config CPU_LOONGSON2F
  1032. bool "Loongson 2F"
  1033. depends on SYS_HAS_CPU_LOONGSON2F
  1034. select CPU_LOONGSON2
  1035. select GENERIC_GPIO
  1036. select ARCH_REQUIRE_GPIOLIB
  1037. help
  1038. The Loongson 2F processor implements the MIPS III instruction set
  1039. with many extensions.
  1040. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1041. have a similar programming interface with FPGA northbridge used in
  1042. Loongson2E.
  1043. config CPU_MIPS32_R1
  1044. bool "MIPS32 Release 1"
  1045. depends on SYS_HAS_CPU_MIPS32_R1
  1046. select CPU_HAS_PREFETCH
  1047. select CPU_SUPPORTS_32BIT_KERNEL
  1048. select CPU_SUPPORTS_HIGHMEM
  1049. help
  1050. Choose this option to build a kernel for release 1 or later of the
  1051. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1052. MIPS processor are based on a MIPS32 processor. If you know the
  1053. specific type of processor in your system, choose those that one
  1054. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1055. Release 2 of the MIPS32 architecture is available since several
  1056. years so chances are you even have a MIPS32 Release 2 processor
  1057. in which case you should choose CPU_MIPS32_R2 instead for better
  1058. performance.
  1059. config CPU_MIPS32_R2
  1060. bool "MIPS32 Release 2"
  1061. depends on SYS_HAS_CPU_MIPS32_R2
  1062. select CPU_HAS_PREFETCH
  1063. select CPU_SUPPORTS_32BIT_KERNEL
  1064. select CPU_SUPPORTS_HIGHMEM
  1065. help
  1066. Choose this option to build a kernel for release 2 or later of the
  1067. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1068. MIPS processor are based on a MIPS32 processor. If you know the
  1069. specific type of processor in your system, choose those that one
  1070. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1071. config CPU_MIPS64_R1
  1072. bool "MIPS64 Release 1"
  1073. depends on SYS_HAS_CPU_MIPS64_R1
  1074. select CPU_HAS_PREFETCH
  1075. select CPU_SUPPORTS_32BIT_KERNEL
  1076. select CPU_SUPPORTS_64BIT_KERNEL
  1077. select CPU_SUPPORTS_HIGHMEM
  1078. select CPU_SUPPORTS_HUGEPAGES
  1079. help
  1080. Choose this option to build a kernel for release 1 or later of the
  1081. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1082. MIPS processor are based on a MIPS64 processor. If you know the
  1083. specific type of processor in your system, choose those that one
  1084. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1085. Release 2 of the MIPS64 architecture is available since several
  1086. years so chances are you even have a MIPS64 Release 2 processor
  1087. in which case you should choose CPU_MIPS64_R2 instead for better
  1088. performance.
  1089. config CPU_MIPS64_R2
  1090. bool "MIPS64 Release 2"
  1091. depends on SYS_HAS_CPU_MIPS64_R2
  1092. select CPU_HAS_PREFETCH
  1093. select CPU_SUPPORTS_32BIT_KERNEL
  1094. select CPU_SUPPORTS_64BIT_KERNEL
  1095. select CPU_SUPPORTS_HIGHMEM
  1096. select CPU_SUPPORTS_HUGEPAGES
  1097. help
  1098. Choose this option to build a kernel for release 2 or later of the
  1099. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1100. MIPS processor are based on a MIPS64 processor. If you know the
  1101. specific type of processor in your system, choose those that one
  1102. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1103. config CPU_R3000
  1104. bool "R3000"
  1105. depends on SYS_HAS_CPU_R3000
  1106. select CPU_HAS_WB
  1107. select CPU_SUPPORTS_32BIT_KERNEL
  1108. select CPU_SUPPORTS_HIGHMEM
  1109. help
  1110. Please make sure to pick the right CPU type. Linux/MIPS is not
  1111. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1112. *not* work on R4000 machines and vice versa. However, since most
  1113. of the supported machines have an R4000 (or similar) CPU, R4x00
  1114. might be a safe bet. If the resulting kernel does not work,
  1115. try to recompile with R3000.
  1116. config CPU_TX39XX
  1117. bool "R39XX"
  1118. depends on SYS_HAS_CPU_TX39XX
  1119. select CPU_SUPPORTS_32BIT_KERNEL
  1120. config CPU_VR41XX
  1121. bool "R41xx"
  1122. depends on SYS_HAS_CPU_VR41XX
  1123. select CPU_SUPPORTS_32BIT_KERNEL
  1124. select CPU_SUPPORTS_64BIT_KERNEL
  1125. help
  1126. The options selects support for the NEC VR4100 series of processors.
  1127. Only choose this option if you have one of these processors as a
  1128. kernel built with this option will not run on any other type of
  1129. processor or vice versa.
  1130. config CPU_R4300
  1131. bool "R4300"
  1132. depends on SYS_HAS_CPU_R4300
  1133. select CPU_SUPPORTS_32BIT_KERNEL
  1134. select CPU_SUPPORTS_64BIT_KERNEL
  1135. help
  1136. MIPS Technologies R4300-series processors.
  1137. config CPU_R4X00
  1138. bool "R4x00"
  1139. depends on SYS_HAS_CPU_R4X00
  1140. select CPU_SUPPORTS_32BIT_KERNEL
  1141. select CPU_SUPPORTS_64BIT_KERNEL
  1142. help
  1143. MIPS Technologies R4000-series processors other than 4300, including
  1144. the R4000, R4400, R4600, and 4700.
  1145. config CPU_TX49XX
  1146. bool "R49XX"
  1147. depends on SYS_HAS_CPU_TX49XX
  1148. select CPU_HAS_PREFETCH
  1149. select CPU_SUPPORTS_32BIT_KERNEL
  1150. select CPU_SUPPORTS_64BIT_KERNEL
  1151. config CPU_R5000
  1152. bool "R5000"
  1153. depends on SYS_HAS_CPU_R5000
  1154. select CPU_SUPPORTS_32BIT_KERNEL
  1155. select CPU_SUPPORTS_64BIT_KERNEL
  1156. help
  1157. MIPS Technologies R5000-series processors other than the Nevada.
  1158. config CPU_R5432
  1159. bool "R5432"
  1160. depends on SYS_HAS_CPU_R5432
  1161. select CPU_SUPPORTS_32BIT_KERNEL
  1162. select CPU_SUPPORTS_64BIT_KERNEL
  1163. config CPU_R5500
  1164. bool "R5500"
  1165. depends on SYS_HAS_CPU_R5500
  1166. select CPU_SUPPORTS_32BIT_KERNEL
  1167. select CPU_SUPPORTS_64BIT_KERNEL
  1168. select CPU_SUPPORTS_HUGEPAGES
  1169. help
  1170. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1171. instruction set.
  1172. config CPU_R6000
  1173. bool "R6000"
  1174. depends on EXPERIMENTAL
  1175. depends on SYS_HAS_CPU_R6000
  1176. select CPU_SUPPORTS_32BIT_KERNEL
  1177. help
  1178. MIPS Technologies R6000 and R6000A series processors. Note these
  1179. processors are extremely rare and the support for them is incomplete.
  1180. config CPU_NEVADA
  1181. bool "RM52xx"
  1182. depends on SYS_HAS_CPU_NEVADA
  1183. select CPU_SUPPORTS_32BIT_KERNEL
  1184. select CPU_SUPPORTS_64BIT_KERNEL
  1185. help
  1186. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1187. config CPU_R8000
  1188. bool "R8000"
  1189. depends on EXPERIMENTAL
  1190. depends on SYS_HAS_CPU_R8000
  1191. select CPU_HAS_PREFETCH
  1192. select CPU_SUPPORTS_64BIT_KERNEL
  1193. help
  1194. MIPS Technologies R8000 processors. Note these processors are
  1195. uncommon and the support for them is incomplete.
  1196. config CPU_R10000
  1197. bool "R10000"
  1198. depends on SYS_HAS_CPU_R10000
  1199. select CPU_HAS_PREFETCH
  1200. select CPU_SUPPORTS_32BIT_KERNEL
  1201. select CPU_SUPPORTS_64BIT_KERNEL
  1202. select CPU_SUPPORTS_HIGHMEM
  1203. help
  1204. MIPS Technologies R10000-series processors.
  1205. config CPU_RM7000
  1206. bool "RM7000"
  1207. depends on SYS_HAS_CPU_RM7000
  1208. select CPU_HAS_PREFETCH
  1209. select CPU_SUPPORTS_32BIT_KERNEL
  1210. select CPU_SUPPORTS_64BIT_KERNEL
  1211. select CPU_SUPPORTS_HIGHMEM
  1212. config CPU_RM9000
  1213. bool "RM9000"
  1214. depends on SYS_HAS_CPU_RM9000
  1215. select CPU_HAS_PREFETCH
  1216. select CPU_SUPPORTS_32BIT_KERNEL
  1217. select CPU_SUPPORTS_64BIT_KERNEL
  1218. select CPU_SUPPORTS_HIGHMEM
  1219. select WEAK_ORDERING
  1220. config CPU_SB1
  1221. bool "SB1"
  1222. depends on SYS_HAS_CPU_SB1
  1223. select CPU_SUPPORTS_32BIT_KERNEL
  1224. select CPU_SUPPORTS_64BIT_KERNEL
  1225. select CPU_SUPPORTS_HIGHMEM
  1226. select WEAK_ORDERING
  1227. config CPU_CAVIUM_OCTEON
  1228. bool "Cavium Octeon processor"
  1229. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1230. select CPU_HAS_PREFETCH
  1231. select CPU_SUPPORTS_64BIT_KERNEL
  1232. select SYS_SUPPORTS_SMP
  1233. select NR_CPUS_DEFAULT_16
  1234. select WEAK_ORDERING
  1235. select CPU_SUPPORTS_HIGHMEM
  1236. select CPU_SUPPORTS_HUGEPAGES
  1237. help
  1238. The Cavium Octeon processor is a highly integrated chip containing
  1239. many ethernet hardware widgets for networking tasks. The processor
  1240. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1241. Full details can be found at http://www.caviumnetworks.com.
  1242. config CPU_BMIPS3300
  1243. bool "BMIPS3300"
  1244. depends on SYS_HAS_CPU_BMIPS3300
  1245. select DMA_NONCOHERENT
  1246. select IRQ_CPU
  1247. select SWAP_IO_SPACE
  1248. select SYS_SUPPORTS_32BIT_KERNEL
  1249. select WEAK_ORDERING
  1250. help
  1251. Broadcom BMIPS3300 processors.
  1252. config CPU_BMIPS4350
  1253. bool "BMIPS4350"
  1254. depends on SYS_HAS_CPU_BMIPS4350
  1255. select CPU_SUPPORTS_32BIT_KERNEL
  1256. select DMA_NONCOHERENT
  1257. select IRQ_CPU
  1258. select SWAP_IO_SPACE
  1259. select SYS_SUPPORTS_SMP
  1260. select SYS_SUPPORTS_HOTPLUG_CPU
  1261. select WEAK_ORDERING
  1262. help
  1263. Broadcom BMIPS4350 ("VIPER") processors.
  1264. config CPU_BMIPS4380
  1265. bool "BMIPS4380"
  1266. depends on SYS_HAS_CPU_BMIPS4380
  1267. select CPU_SUPPORTS_32BIT_KERNEL
  1268. select DMA_NONCOHERENT
  1269. select IRQ_CPU
  1270. select SWAP_IO_SPACE
  1271. select SYS_SUPPORTS_SMP
  1272. select SYS_SUPPORTS_HOTPLUG_CPU
  1273. select WEAK_ORDERING
  1274. help
  1275. Broadcom BMIPS4380 processors.
  1276. config CPU_BMIPS5000
  1277. bool "BMIPS5000"
  1278. depends on SYS_HAS_CPU_BMIPS5000
  1279. select CPU_SUPPORTS_32BIT_KERNEL
  1280. select CPU_SUPPORTS_HIGHMEM
  1281. select DMA_NONCOHERENT
  1282. select IRQ_CPU
  1283. select SWAP_IO_SPACE
  1284. select SYS_SUPPORTS_SMP
  1285. select SYS_SUPPORTS_HOTPLUG_CPU
  1286. select WEAK_ORDERING
  1287. help
  1288. Broadcom BMIPS5000 processors.
  1289. config CPU_XLR
  1290. bool "Netlogic XLR SoC"
  1291. depends on SYS_HAS_CPU_XLR
  1292. select CPU_SUPPORTS_32BIT_KERNEL
  1293. select CPU_SUPPORTS_64BIT_KERNEL
  1294. select CPU_SUPPORTS_HIGHMEM
  1295. select WEAK_ORDERING
  1296. select WEAK_REORDERING_BEYOND_LLSC
  1297. select CPU_SUPPORTS_HUGEPAGES
  1298. help
  1299. Netlogic Microsystems XLR/XLS processors.
  1300. endchoice
  1301. if CPU_LOONGSON2F
  1302. config CPU_NOP_WORKAROUNDS
  1303. bool
  1304. config CPU_JUMP_WORKAROUNDS
  1305. bool
  1306. config CPU_LOONGSON2F_WORKAROUNDS
  1307. bool "Loongson 2F Workarounds"
  1308. default y
  1309. select CPU_NOP_WORKAROUNDS
  1310. select CPU_JUMP_WORKAROUNDS
  1311. help
  1312. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1313. require workarounds. Without workarounds the system may hang
  1314. unexpectedly. For more information please refer to the gas
  1315. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1316. Loongson 2F03 and later have fixed these issues and no workarounds
  1317. are needed. The workarounds have no significant side effect on them
  1318. but may decrease the performance of the system so this option should
  1319. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1320. systems.
  1321. If unsure, please say Y.
  1322. endif # CPU_LOONGSON2F
  1323. config SYS_SUPPORTS_ZBOOT
  1324. bool
  1325. select HAVE_KERNEL_GZIP
  1326. select HAVE_KERNEL_BZIP2
  1327. select HAVE_KERNEL_LZMA
  1328. select HAVE_KERNEL_LZO
  1329. config SYS_SUPPORTS_ZBOOT_UART16550
  1330. bool
  1331. select SYS_SUPPORTS_ZBOOT
  1332. config CPU_LOONGSON2
  1333. bool
  1334. select CPU_SUPPORTS_32BIT_KERNEL
  1335. select CPU_SUPPORTS_64BIT_KERNEL
  1336. select CPU_SUPPORTS_HIGHMEM
  1337. config SYS_HAS_CPU_LOONGSON2E
  1338. bool
  1339. config SYS_HAS_CPU_LOONGSON2F
  1340. bool
  1341. select CPU_SUPPORTS_CPUFREQ
  1342. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1343. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1344. config SYS_HAS_CPU_MIPS32_R1
  1345. bool
  1346. config SYS_HAS_CPU_MIPS32_R2
  1347. bool
  1348. config SYS_HAS_CPU_MIPS64_R1
  1349. bool
  1350. config SYS_HAS_CPU_MIPS64_R2
  1351. bool
  1352. config SYS_HAS_CPU_R3000
  1353. bool
  1354. config SYS_HAS_CPU_TX39XX
  1355. bool
  1356. config SYS_HAS_CPU_VR41XX
  1357. bool
  1358. config SYS_HAS_CPU_R4300
  1359. bool
  1360. config SYS_HAS_CPU_R4X00
  1361. bool
  1362. config SYS_HAS_CPU_TX49XX
  1363. bool
  1364. config SYS_HAS_CPU_R5000
  1365. bool
  1366. config SYS_HAS_CPU_R5432
  1367. bool
  1368. config SYS_HAS_CPU_R5500
  1369. bool
  1370. config SYS_HAS_CPU_R6000
  1371. bool
  1372. config SYS_HAS_CPU_NEVADA
  1373. bool
  1374. config SYS_HAS_CPU_R8000
  1375. bool
  1376. config SYS_HAS_CPU_R10000
  1377. bool
  1378. config SYS_HAS_CPU_RM7000
  1379. bool
  1380. config SYS_HAS_CPU_RM9000
  1381. bool
  1382. config SYS_HAS_CPU_SB1
  1383. bool
  1384. config SYS_HAS_CPU_CAVIUM_OCTEON
  1385. bool
  1386. config SYS_HAS_CPU_BMIPS3300
  1387. bool
  1388. config SYS_HAS_CPU_BMIPS4350
  1389. bool
  1390. config SYS_HAS_CPU_BMIPS4380
  1391. bool
  1392. config SYS_HAS_CPU_BMIPS5000
  1393. bool
  1394. config SYS_HAS_CPU_XLR
  1395. bool
  1396. #
  1397. # CPU may reorder R->R, R->W, W->R, W->W
  1398. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1399. #
  1400. config WEAK_ORDERING
  1401. bool
  1402. #
  1403. # CPU may reorder reads and writes beyond LL/SC
  1404. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1405. #
  1406. config WEAK_REORDERING_BEYOND_LLSC
  1407. bool
  1408. endmenu
  1409. #
  1410. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1411. #
  1412. config CPU_MIPS32
  1413. bool
  1414. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1415. config CPU_MIPS64
  1416. bool
  1417. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1418. #
  1419. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1420. #
  1421. config CPU_MIPSR1
  1422. bool
  1423. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1424. config CPU_MIPSR2
  1425. bool
  1426. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1427. config SYS_SUPPORTS_32BIT_KERNEL
  1428. bool
  1429. config SYS_SUPPORTS_64BIT_KERNEL
  1430. bool
  1431. config CPU_SUPPORTS_32BIT_KERNEL
  1432. bool
  1433. config CPU_SUPPORTS_64BIT_KERNEL
  1434. bool
  1435. config CPU_SUPPORTS_CPUFREQ
  1436. bool
  1437. config CPU_SUPPORTS_ADDRWINCFG
  1438. bool
  1439. config CPU_SUPPORTS_HUGEPAGES
  1440. bool
  1441. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1442. bool
  1443. config MIPS_PGD_C0_CONTEXT
  1444. bool
  1445. default y if 64BIT && CPU_MIPSR2
  1446. #
  1447. # Set to y for ptrace access to watch registers.
  1448. #
  1449. config HARDWARE_WATCHPOINTS
  1450. bool
  1451. default y if CPU_MIPSR1 || CPU_MIPSR2
  1452. menu "Kernel type"
  1453. choice
  1454. prompt "Kernel code model"
  1455. help
  1456. You should only select this option if you have a workload that
  1457. actually benefits from 64-bit processing or if your machine has
  1458. large memory. You will only be presented a single option in this
  1459. menu if your system does not support both 32-bit and 64-bit kernels.
  1460. config 32BIT
  1461. bool "32-bit kernel"
  1462. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1463. select TRAD_SIGNALS
  1464. help
  1465. Select this option if you want to build a 32-bit kernel.
  1466. config 64BIT
  1467. bool "64-bit kernel"
  1468. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1469. select HAVE_SYSCALL_WRAPPERS
  1470. help
  1471. Select this option if you want to build a 64-bit kernel.
  1472. endchoice
  1473. choice
  1474. prompt "Kernel page size"
  1475. default PAGE_SIZE_4KB
  1476. config PAGE_SIZE_4KB
  1477. bool "4kB"
  1478. depends on !CPU_LOONGSON2
  1479. help
  1480. This option select the standard 4kB Linux page size. On some
  1481. R3000-family processors this is the only available page size. Using
  1482. 4kB page size will minimize memory consumption and is therefore
  1483. recommended for low memory systems.
  1484. config PAGE_SIZE_8KB
  1485. bool "8kB"
  1486. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1487. help
  1488. Using 8kB page size will result in higher performance kernel at
  1489. the price of higher memory consumption. This option is available
  1490. only on R8000 and cnMIPS processors. Note that you will need a
  1491. suitable Linux distribution to support this.
  1492. config PAGE_SIZE_16KB
  1493. bool "16kB"
  1494. depends on !CPU_R3000 && !CPU_TX39XX
  1495. help
  1496. Using 16kB page size will result in higher performance kernel at
  1497. the price of higher memory consumption. This option is available on
  1498. all non-R3000 family processors. Note that you will need a suitable
  1499. Linux distribution to support this.
  1500. config PAGE_SIZE_32KB
  1501. bool "32kB"
  1502. depends on CPU_CAVIUM_OCTEON
  1503. help
  1504. Using 32kB page size will result in higher performance kernel at
  1505. the price of higher memory consumption. This option is available
  1506. only on cnMIPS cores. Note that you will need a suitable Linux
  1507. distribution to support this.
  1508. config PAGE_SIZE_64KB
  1509. bool "64kB"
  1510. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1511. help
  1512. Using 64kB page size will result in higher performance kernel at
  1513. the price of higher memory consumption. This option is available on
  1514. all non-R3000 family processor. Not that at the time of this
  1515. writing this option is still high experimental.
  1516. endchoice
  1517. config FORCE_MAX_ZONEORDER
  1518. int "Maximum zone order"
  1519. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1520. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1521. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1522. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1523. range 11 64
  1524. default "11"
  1525. help
  1526. The kernel memory allocator divides physically contiguous memory
  1527. blocks into "zones", where each zone is a power of two number of
  1528. pages. This option selects the largest power of two that the kernel
  1529. keeps in the memory allocator. If you need to allocate very large
  1530. blocks of physically contiguous memory, then you may need to
  1531. increase this value.
  1532. This config option is actually maximum order plus one. For example,
  1533. a value of 11 means that the largest free memory block is 2^10 pages.
  1534. The page size is not necessarily 4KB. Keep this in mind
  1535. when choosing a value for this option.
  1536. config BOARD_SCACHE
  1537. bool
  1538. config IP22_CPU_SCACHE
  1539. bool
  1540. select BOARD_SCACHE
  1541. #
  1542. # Support for a MIPS32 / MIPS64 style S-caches
  1543. #
  1544. config MIPS_CPU_SCACHE
  1545. bool
  1546. select BOARD_SCACHE
  1547. config R5000_CPU_SCACHE
  1548. bool
  1549. select BOARD_SCACHE
  1550. config RM7000_CPU_SCACHE
  1551. bool
  1552. select BOARD_SCACHE
  1553. config SIBYTE_DMA_PAGEOPS
  1554. bool "Use DMA to clear/copy pages"
  1555. depends on CPU_SB1
  1556. help
  1557. Instead of using the CPU to zero and copy pages, use a Data Mover
  1558. channel. These DMA channels are otherwise unused by the standard
  1559. SiByte Linux port. Seems to give a small performance benefit.
  1560. config CPU_HAS_PREFETCH
  1561. bool
  1562. choice
  1563. prompt "MIPS MT options"
  1564. config MIPS_MT_DISABLED
  1565. bool "Disable multithreading support."
  1566. help
  1567. Use this option if your workload can't take advantage of
  1568. MIPS hardware multithreading support. On systems that don't have
  1569. the option of an MT-enabled processor this option will be the only
  1570. option in this menu.
  1571. config MIPS_MT_SMP
  1572. bool "Use 1 TC on each available VPE for SMP"
  1573. depends on SYS_SUPPORTS_MULTITHREADING
  1574. select CPU_MIPSR2_IRQ_VI
  1575. select CPU_MIPSR2_IRQ_EI
  1576. select MIPS_MT
  1577. select NR_CPUS_DEFAULT_2
  1578. select SMP
  1579. select SYS_SUPPORTS_SCHED_SMT if SMP
  1580. select SYS_SUPPORTS_SMP
  1581. select SMP_UP
  1582. help
  1583. This is a kernel model which is known a VSMP but lately has been
  1584. marketesed into SMVP.
  1585. Virtual SMP uses the processor's VPEs to implement virtual
  1586. processors. In currently available configuration of the 34K processor
  1587. this allows for a dual processor. Both processors will share the same
  1588. primary caches; each will obtain the half of the TLB for it's own
  1589. exclusive use. For a layman this model can be described as similar to
  1590. what Intel calls Hyperthreading.
  1591. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1592. config MIPS_MT_SMTC
  1593. bool "SMTC: Use all TCs on all VPEs for SMP"
  1594. depends on CPU_MIPS32_R2
  1595. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1596. depends on SYS_SUPPORTS_MULTITHREADING
  1597. select CPU_MIPSR2_IRQ_VI
  1598. select CPU_MIPSR2_IRQ_EI
  1599. select MIPS_MT
  1600. select NR_CPUS_DEFAULT_8
  1601. select SMP
  1602. select SYS_SUPPORTS_SMP
  1603. select SMP_UP
  1604. help
  1605. This is a kernel model which is known a SMTC or lately has been
  1606. marketesed into SMVP.
  1607. is presenting the available TC's of the core as processors to Linux.
  1608. On currently available 34K processors this means a Linux system will
  1609. see up to 5 processors. The implementation of the SMTC kernel differs
  1610. significantly from VSMP and cannot efficiently coexist in the same
  1611. kernel binary so the choice between VSMP and SMTC is a compile time
  1612. decision.
  1613. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1614. endchoice
  1615. config MIPS_MT
  1616. bool
  1617. config SCHED_SMT
  1618. bool "SMT (multithreading) scheduler support"
  1619. depends on SYS_SUPPORTS_SCHED_SMT
  1620. default n
  1621. help
  1622. SMT scheduler support improves the CPU scheduler's decision making
  1623. when dealing with MIPS MT enabled cores at a cost of slightly
  1624. increased overhead in some places. If unsure say N here.
  1625. config SYS_SUPPORTS_SCHED_SMT
  1626. bool
  1627. config SYS_SUPPORTS_MULTITHREADING
  1628. bool
  1629. config MIPS_MT_FPAFF
  1630. bool "Dynamic FPU affinity for FP-intensive threads"
  1631. default y
  1632. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1633. config MIPS_VPE_LOADER
  1634. bool "VPE loader support."
  1635. depends on SYS_SUPPORTS_MULTITHREADING
  1636. select CPU_MIPSR2_IRQ_VI
  1637. select CPU_MIPSR2_IRQ_EI
  1638. select MIPS_MT
  1639. help
  1640. Includes a loader for loading an elf relocatable object
  1641. onto another VPE and running it.
  1642. config MIPS_MT_SMTC_IM_BACKSTOP
  1643. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1644. depends on MIPS_MT_SMTC
  1645. default n
  1646. help
  1647. To support multiple TC microthreads acting as "CPUs" within
  1648. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1649. during interrupt handling. To support legacy drivers and interrupt
  1650. controller management code, SMTC has a "backstop" to track and
  1651. if necessary restore the interrupt mask. This has some performance
  1652. impact on interrupt service overhead.
  1653. config MIPS_MT_SMTC_IRQAFF
  1654. bool "Support IRQ affinity API"
  1655. depends on MIPS_MT_SMTC
  1656. default n
  1657. help
  1658. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1659. for SMTC Linux kernel. Requires platform support, of which
  1660. an example can be found in the MIPS kernel i8259 and Malta
  1661. platform code. Adds some overhead to interrupt dispatch, and
  1662. should be used only if you know what you are doing.
  1663. config MIPS_VPE_LOADER_TOM
  1664. bool "Load VPE program into memory hidden from linux"
  1665. depends on MIPS_VPE_LOADER
  1666. default y
  1667. help
  1668. The loader can use memory that is present but has been hidden from
  1669. Linux using the kernel command line option "mem=xxMB". It's up to
  1670. you to ensure the amount you put in the option and the space your
  1671. program requires is less or equal to the amount physically present.
  1672. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1673. config MIPS_VPE_APSP_API
  1674. bool "Enable support for AP/SP API (RTLX)"
  1675. depends on MIPS_VPE_LOADER
  1676. help
  1677. config MIPS_APSP_KSPD
  1678. bool "Enable KSPD"
  1679. depends on MIPS_VPE_APSP_API
  1680. default y
  1681. help
  1682. KSPD is a kernel daemon that accepts syscall requests from the SP
  1683. side, actions them and returns the results. It also handles the
  1684. "exit" syscall notifying other kernel modules the SP program is
  1685. exiting. You probably want to say yes here.
  1686. config MIPS_CMP
  1687. bool "MIPS CMP framework support"
  1688. depends on SYS_SUPPORTS_MIPS_CMP
  1689. select SYNC_R4K
  1690. select SYS_SUPPORTS_SMP
  1691. select SYS_SUPPORTS_SCHED_SMT if SMP
  1692. select WEAK_ORDERING
  1693. default n
  1694. help
  1695. This is a placeholder option for the GCMP work. It will need to
  1696. be handled differently...
  1697. config SB1_PASS_1_WORKAROUNDS
  1698. bool
  1699. depends on CPU_SB1_PASS_1
  1700. default y
  1701. config SB1_PASS_2_WORKAROUNDS
  1702. bool
  1703. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1704. default y
  1705. config SB1_PASS_2_1_WORKAROUNDS
  1706. bool
  1707. depends on CPU_SB1 && CPU_SB1_PASS_2
  1708. default y
  1709. config 64BIT_PHYS_ADDR
  1710. bool
  1711. config ARCH_PHYS_ADDR_T_64BIT
  1712. def_bool 64BIT_PHYS_ADDR
  1713. config CPU_HAS_SMARTMIPS
  1714. depends on SYS_SUPPORTS_SMARTMIPS
  1715. bool "Support for the SmartMIPS ASE"
  1716. help
  1717. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1718. increased security at both hardware and software level for
  1719. smartcards. Enabling this option will allow proper use of the
  1720. SmartMIPS instructions by Linux applications. However a kernel with
  1721. this option will not work on a MIPS core without SmartMIPS core. If
  1722. you don't know you probably don't have SmartMIPS and should say N
  1723. here.
  1724. config CPU_HAS_WB
  1725. bool
  1726. #
  1727. # Vectored interrupt mode is an R2 feature
  1728. #
  1729. config CPU_MIPSR2_IRQ_VI
  1730. bool
  1731. #
  1732. # Extended interrupt mode is an R2 feature
  1733. #
  1734. config CPU_MIPSR2_IRQ_EI
  1735. bool
  1736. config CPU_HAS_SYNC
  1737. bool
  1738. depends on !CPU_R3000
  1739. default y
  1740. config GENERIC_CLOCKEVENTS_BROADCAST
  1741. bool
  1742. #
  1743. # CPU non-features
  1744. #
  1745. config CPU_DADDI_WORKAROUNDS
  1746. bool
  1747. config CPU_R4000_WORKAROUNDS
  1748. bool
  1749. select CPU_R4400_WORKAROUNDS
  1750. config CPU_R4400_WORKAROUNDS
  1751. bool
  1752. #
  1753. # - Highmem only makes sense for the 32-bit kernel.
  1754. # - The current highmem code will only work properly on physically indexed
  1755. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1756. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1757. # moment we protect the user and offer the highmem option only on machines
  1758. # where it's known to be safe. This will not offer highmem on a few systems
  1759. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1760. # indexed CPUs but we're playing safe.
  1761. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1762. # know they might have memory configurations that could make use of highmem
  1763. # support.
  1764. #
  1765. config HIGHMEM
  1766. bool "High Memory Support"
  1767. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1768. config CPU_SUPPORTS_HIGHMEM
  1769. bool
  1770. config SYS_SUPPORTS_HIGHMEM
  1771. bool
  1772. config SYS_SUPPORTS_SMARTMIPS
  1773. bool
  1774. config ARCH_FLATMEM_ENABLE
  1775. def_bool y
  1776. depends on !NUMA && !CPU_LOONGSON2
  1777. config ARCH_DISCONTIGMEM_ENABLE
  1778. bool
  1779. default y if SGI_IP27
  1780. help
  1781. Say Y to support efficient handling of discontiguous physical memory,
  1782. for architectures which are either NUMA (Non-Uniform Memory Access)
  1783. or have huge holes in the physical address space for other reasons.
  1784. See <file:Documentation/vm/numa> for more.
  1785. config ARCH_POPULATES_NODE_MAP
  1786. def_bool y
  1787. config ARCH_SPARSEMEM_ENABLE
  1788. bool
  1789. select SPARSEMEM_STATIC
  1790. config NUMA
  1791. bool "NUMA Support"
  1792. depends on SYS_SUPPORTS_NUMA
  1793. help
  1794. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1795. Access). This option improves performance on systems with more
  1796. than two nodes; on two node systems it is generally better to
  1797. leave it disabled; on single node systems disable this option
  1798. disabled.
  1799. config SYS_SUPPORTS_NUMA
  1800. bool
  1801. config NODES_SHIFT
  1802. int
  1803. default "6"
  1804. depends on NEED_MULTIPLE_NODES
  1805. config HW_PERF_EVENTS
  1806. bool "Enable hardware performance counter support for perf events"
  1807. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
  1808. default y
  1809. help
  1810. Enable hardware performance counter support for perf events. If
  1811. disabled, perf events will use software events only.
  1812. source "mm/Kconfig"
  1813. config SMP
  1814. bool "Multi-Processing support"
  1815. depends on SYS_SUPPORTS_SMP
  1816. select IRQ_PER_CPU
  1817. select USE_GENERIC_SMP_HELPERS
  1818. help
  1819. This enables support for systems with more than one CPU. If you have
  1820. a system with only one CPU, like most personal computers, say N. If
  1821. you have a system with more than one CPU, say Y.
  1822. If you say N here, the kernel will run on single and multiprocessor
  1823. machines, but will use only one CPU of a multiprocessor machine. If
  1824. you say Y here, the kernel will run on many, but not all,
  1825. singleprocessor machines. On a singleprocessor machine, the kernel
  1826. will run faster if you say N here.
  1827. People using multiprocessor machines who say Y here should also say
  1828. Y to "Enhanced Real Time Clock Support", below.
  1829. See also the SMP-HOWTO available at
  1830. <http://www.tldp.org/docs.html#howto>.
  1831. If you don't know what to do here, say N.
  1832. config SMP_UP
  1833. bool
  1834. config SYS_SUPPORTS_MIPS_CMP
  1835. bool
  1836. config SYS_SUPPORTS_SMP
  1837. bool
  1838. config NR_CPUS_DEFAULT_1
  1839. bool
  1840. config NR_CPUS_DEFAULT_2
  1841. bool
  1842. config NR_CPUS_DEFAULT_4
  1843. bool
  1844. config NR_CPUS_DEFAULT_8
  1845. bool
  1846. config NR_CPUS_DEFAULT_16
  1847. bool
  1848. config NR_CPUS_DEFAULT_32
  1849. bool
  1850. config NR_CPUS_DEFAULT_64
  1851. bool
  1852. config NR_CPUS
  1853. int "Maximum number of CPUs (2-64)"
  1854. range 1 64 if NR_CPUS_DEFAULT_1
  1855. depends on SMP
  1856. default "1" if NR_CPUS_DEFAULT_1
  1857. default "2" if NR_CPUS_DEFAULT_2
  1858. default "4" if NR_CPUS_DEFAULT_4
  1859. default "8" if NR_CPUS_DEFAULT_8
  1860. default "16" if NR_CPUS_DEFAULT_16
  1861. default "32" if NR_CPUS_DEFAULT_32
  1862. default "64" if NR_CPUS_DEFAULT_64
  1863. help
  1864. This allows you to specify the maximum number of CPUs which this
  1865. kernel will support. The maximum supported value is 32 for 32-bit
  1866. kernel and 64 for 64-bit kernels; the minimum value which makes
  1867. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1868. and 2 for all others.
  1869. This is purely to save memory - each supported CPU adds
  1870. approximately eight kilobytes to the kernel image. For best
  1871. performance should round up your number of processors to the next
  1872. power of two.
  1873. source "kernel/time/Kconfig"
  1874. #
  1875. # Timer Interrupt Frequency Configuration
  1876. #
  1877. choice
  1878. prompt "Timer frequency"
  1879. default HZ_250
  1880. help
  1881. Allows the configuration of the timer frequency.
  1882. config HZ_48
  1883. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1884. config HZ_100
  1885. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1886. config HZ_128
  1887. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1888. config HZ_250
  1889. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1890. config HZ_256
  1891. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1892. config HZ_1000
  1893. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1894. config HZ_1024
  1895. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1896. endchoice
  1897. config SYS_SUPPORTS_48HZ
  1898. bool
  1899. config SYS_SUPPORTS_100HZ
  1900. bool
  1901. config SYS_SUPPORTS_128HZ
  1902. bool
  1903. config SYS_SUPPORTS_250HZ
  1904. bool
  1905. config SYS_SUPPORTS_256HZ
  1906. bool
  1907. config SYS_SUPPORTS_1000HZ
  1908. bool
  1909. config SYS_SUPPORTS_1024HZ
  1910. bool
  1911. config SYS_SUPPORTS_ARBIT_HZ
  1912. bool
  1913. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1914. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1915. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1916. !SYS_SUPPORTS_1024HZ
  1917. config HZ
  1918. int
  1919. default 48 if HZ_48
  1920. default 100 if HZ_100
  1921. default 128 if HZ_128
  1922. default 250 if HZ_250
  1923. default 256 if HZ_256
  1924. default 1000 if HZ_1000
  1925. default 1024 if HZ_1024
  1926. source "kernel/Kconfig.preempt"
  1927. config MIPS_INSANE_LARGE
  1928. bool "Support for large 64-bit configurations"
  1929. depends on CPU_R10000 && 64BIT
  1930. help
  1931. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1932. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1933. need processes of more than 1TB virtual address space, say Y here.
  1934. This will result in additional memory usage, so it is not
  1935. recommended for normal users.
  1936. config KEXEC
  1937. bool "Kexec system call (EXPERIMENTAL)"
  1938. depends on EXPERIMENTAL
  1939. help
  1940. kexec is a system call that implements the ability to shutdown your
  1941. current kernel, and to start another kernel. It is like a reboot
  1942. but it is independent of the system firmware. And like a reboot
  1943. you can start any kernel with it, not just Linux.
  1944. The name comes from the similarity to the exec system call.
  1945. It is an ongoing process to be certain the hardware in a machine
  1946. is properly shutdown, so do not be surprised if this code does not
  1947. initially work for you. It may help to enable device hotplugging
  1948. support. As of this writing the exact hardware interface is
  1949. strongly in flux, so no good recommendation can be made.
  1950. config SECCOMP
  1951. bool "Enable seccomp to safely compute untrusted bytecode"
  1952. depends on PROC_FS
  1953. default y
  1954. help
  1955. This kernel feature is useful for number crunching applications
  1956. that may need to compute untrusted bytecode during their
  1957. execution. By using pipes or other transports made available to
  1958. the process as file descriptors supporting the read/write
  1959. syscalls, it's possible to isolate those applications in
  1960. their own address space using seccomp. Once seccomp is
  1961. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1962. and the task is only allowed to execute a few safe syscalls
  1963. defined by each seccomp mode.
  1964. If unsure, say Y. Only embedded should say N here.
  1965. config USE_OF
  1966. bool "Flattened Device Tree support"
  1967. select OF
  1968. select OF_EARLY_FLATTREE
  1969. help
  1970. Include support for flattened device tree machine descriptions.
  1971. endmenu
  1972. config LOCKDEP_SUPPORT
  1973. bool
  1974. default y
  1975. config STACKTRACE_SUPPORT
  1976. bool
  1977. default y
  1978. source "init/Kconfig"
  1979. source "kernel/Kconfig.freezer"
  1980. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1981. config HW_HAS_EISA
  1982. bool
  1983. config HW_HAS_PCI
  1984. bool
  1985. config PCI
  1986. bool "Support for PCI controller"
  1987. depends on HW_HAS_PCI
  1988. select PCI_DOMAINS
  1989. help
  1990. Find out whether you have a PCI motherboard. PCI is the name of a
  1991. bus system, i.e. the way the CPU talks to the other stuff inside
  1992. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1993. say Y, otherwise N.
  1994. config PCI_DOMAINS
  1995. bool
  1996. source "drivers/pci/Kconfig"
  1997. #
  1998. # ISA support is now enabled via select. Too many systems still have the one
  1999. # or other ISA chip on the board that users don't know about so don't expect
  2000. # users to choose the right thing ...
  2001. #
  2002. config ISA
  2003. bool
  2004. config EISA
  2005. bool "EISA support"
  2006. depends on HW_HAS_EISA
  2007. select ISA
  2008. select GENERIC_ISA_DMA
  2009. ---help---
  2010. The Extended Industry Standard Architecture (EISA) bus was
  2011. developed as an open alternative to the IBM MicroChannel bus.
  2012. The EISA bus provided some of the features of the IBM MicroChannel
  2013. bus while maintaining backward compatibility with cards made for
  2014. the older ISA bus. The EISA bus saw limited use between 1988 and
  2015. 1995 when it was made obsolete by the PCI bus.
  2016. Say Y here if you are building a kernel for an EISA-based machine.
  2017. Otherwise, say N.
  2018. source "drivers/eisa/Kconfig"
  2019. config TC
  2020. bool "TURBOchannel support"
  2021. depends on MACH_DECSTATION
  2022. help
  2023. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2024. processors. TURBOchannel programming specifications are available
  2025. at:
  2026. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2027. and:
  2028. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2029. Linux driver support status is documented at:
  2030. <http://www.linux-mips.org/wiki/DECstation>
  2031. #config ACCESSBUS
  2032. # bool "Access.Bus support"
  2033. # depends on TC
  2034. config MMU
  2035. bool
  2036. default y
  2037. config I8253
  2038. bool
  2039. select CLKSRC_I8253
  2040. select CLKEVT_I8253
  2041. select MIPS_EXTERNAL_TIMER
  2042. config ZONE_DMA32
  2043. bool
  2044. source "drivers/pcmcia/Kconfig"
  2045. source "drivers/pci/hotplug/Kconfig"
  2046. config RAPIDIO
  2047. bool "RapidIO support"
  2048. depends on PCI
  2049. default n
  2050. help
  2051. If you say Y here, the kernel will include drivers and
  2052. infrastructure code to support RapidIO interconnect devices.
  2053. source "drivers/rapidio/Kconfig"
  2054. endmenu
  2055. menu "Executable file formats"
  2056. source "fs/Kconfig.binfmt"
  2057. config TRAD_SIGNALS
  2058. bool
  2059. config MIPS32_COMPAT
  2060. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2061. depends on 64BIT
  2062. help
  2063. Select this option if you want Linux/MIPS 32-bit binary
  2064. compatibility. Since all software available for Linux/MIPS is
  2065. currently 32-bit you should say Y here.
  2066. config COMPAT
  2067. bool
  2068. depends on MIPS32_COMPAT
  2069. default y
  2070. config SYSVIPC_COMPAT
  2071. bool
  2072. depends on COMPAT && SYSVIPC
  2073. default y
  2074. config MIPS32_O32
  2075. bool "Kernel support for o32 binaries"
  2076. depends on MIPS32_COMPAT
  2077. help
  2078. Select this option if you want to run o32 binaries. These are pure
  2079. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2080. existing binaries are in this format.
  2081. If unsure, say Y.
  2082. config MIPS32_N32
  2083. bool "Kernel support for n32 binaries"
  2084. depends on MIPS32_COMPAT
  2085. help
  2086. Select this option if you want to run n32 binaries. These are
  2087. 64-bit binaries using 32-bit quantities for addressing and certain
  2088. data that would normally be 64-bit. They are used in special
  2089. cases.
  2090. If unsure, say N.
  2091. config BINFMT_ELF32
  2092. bool
  2093. default y if MIPS32_O32 || MIPS32_N32
  2094. endmenu
  2095. menu "Power management options"
  2096. config ARCH_HIBERNATION_POSSIBLE
  2097. def_bool y
  2098. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2099. config ARCH_SUSPEND_POSSIBLE
  2100. def_bool y
  2101. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2102. source "kernel/power/Kconfig"
  2103. endmenu
  2104. source "arch/mips/kernel/cpufreq/Kconfig"
  2105. source "net/Kconfig"
  2106. source "drivers/Kconfig"
  2107. source "fs/Kconfig"
  2108. source "arch/mips/Kconfig.debug"
  2109. source "security/Kconfig"
  2110. source "crypto/Kconfig"
  2111. source "lib/Kconfig"