Kconfig 60 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 ARCH_HAVE_CUSTOM_GPIO_H
  12. select HAVE_FUNCTION_TRACER
  13. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  14. select HAVE_DYNAMIC_FTRACE
  15. select HAVE_FTRACE_MCOUNT_RECORD
  16. select HAVE_C_RECORDMCOUNT
  17. select HAVE_FUNCTION_GRAPH_TRACER
  18. select HAVE_KPROBES
  19. select HAVE_KRETPROBES
  20. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  21. select RTC_LIB if !MACH_LOONGSON
  22. select GENERIC_ATOMIC64 if !64BIT
  23. select HAVE_DMA_ATTRS
  24. select HAVE_DMA_API_DEBUG
  25. select HAVE_GENERIC_HARDIRQS
  26. select GENERIC_IRQ_PROBE
  27. select GENERIC_IRQ_SHOW
  28. select HAVE_ARCH_JUMP_LABEL
  29. select IRQ_FORCED_THREADING
  30. select HAVE_MEMBLOCK
  31. select HAVE_MEMBLOCK_NODE_MAP
  32. select ARCH_DISCARD_MEMBLOCK
  33. select GENERIC_SMP_IDLE_THREAD
  34. select BUILDTIME_EXTABLE_SORT
  35. select GENERIC_CLOCKEVENTS
  36. select GENERIC_CMOS_UPDATE
  37. menu "Machine selection"
  38. config ZONE_DMA
  39. bool
  40. choice
  41. prompt "System type"
  42. default SGI_IP22
  43. config MIPS_ALCHEMY
  44. bool "Alchemy processor based machines"
  45. select 64BIT_PHYS_ADDR
  46. select CEVT_R4K_LIB
  47. select CSRC_R4K_LIB
  48. select IRQ_CPU
  49. select SYS_HAS_CPU_MIPS32_R1
  50. select SYS_SUPPORTS_32BIT_KERNEL
  51. select SYS_SUPPORTS_APM_EMULATION
  52. select GENERIC_GPIO
  53. select ARCH_WANT_OPTIONAL_GPIOLIB
  54. select SYS_SUPPORTS_ZBOOT
  55. select USB_ARCH_HAS_OHCI
  56. select USB_ARCH_HAS_EHCI
  57. config AR7
  58. bool "Texas Instruments AR7"
  59. select BOOT_ELF32
  60. select DMA_NONCOHERENT
  61. select CEVT_R4K
  62. select CSRC_R4K
  63. select IRQ_CPU
  64. select NO_EXCEPT_FILL
  65. select SWAP_IO_SPACE
  66. select SYS_HAS_CPU_MIPS32_R1
  67. select SYS_HAS_EARLY_PRINTK
  68. select SYS_SUPPORTS_32BIT_KERNEL
  69. select SYS_SUPPORTS_LITTLE_ENDIAN
  70. select SYS_SUPPORTS_ZBOOT_UART16550
  71. select ARCH_REQUIRE_GPIOLIB
  72. select VLYNQ
  73. help
  74. Support for the Texas Instruments AR7 System-on-a-Chip
  75. family: TNETD7100, 7200 and 7300.
  76. config ATH79
  77. bool "Atheros AR71XX/AR724X/AR913X based boards"
  78. select ARCH_REQUIRE_GPIOLIB
  79. select BOOT_RAW
  80. select CEVT_R4K
  81. select CSRC_R4K
  82. select DMA_NONCOHERENT
  83. select IRQ_CPU
  84. select MIPS_MACHINE
  85. select SYS_HAS_CPU_MIPS32_R2
  86. select SYS_HAS_EARLY_PRINTK
  87. select SYS_SUPPORTS_32BIT_KERNEL
  88. select SYS_SUPPORTS_BIG_ENDIAN
  89. help
  90. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  91. config BCM47XX
  92. bool "Broadcom BCM47XX based boards"
  93. select CEVT_R4K
  94. select CSRC_R4K
  95. select DMA_NONCOHERENT
  96. select HW_HAS_PCI
  97. select IRQ_CPU
  98. select SYS_SUPPORTS_32BIT_KERNEL
  99. select SYS_SUPPORTS_LITTLE_ENDIAN
  100. select GENERIC_GPIO
  101. select SYS_HAS_EARLY_PRINTK
  102. select CFE
  103. help
  104. Support for BCM47XX based boards
  105. config BCM63XX
  106. bool "Broadcom BCM63XX based boards"
  107. select CEVT_R4K
  108. select CSRC_R4K
  109. select DMA_NONCOHERENT
  110. select IRQ_CPU
  111. select SYS_HAS_CPU_MIPS32_R1
  112. select SYS_SUPPORTS_32BIT_KERNEL
  113. select SYS_SUPPORTS_BIG_ENDIAN
  114. select SYS_HAS_EARLY_PRINTK
  115. select SWAP_IO_SPACE
  116. select ARCH_REQUIRE_GPIOLIB
  117. help
  118. Support for BCM63XX based boards
  119. config MIPS_COBALT
  120. bool "Cobalt Server"
  121. select CEVT_R4K
  122. select CSRC_R4K
  123. select CEVT_GT641XX
  124. select DMA_NONCOHERENT
  125. select HW_HAS_PCI
  126. select I8253
  127. select I8259
  128. select IRQ_CPU
  129. select IRQ_GT641XX
  130. select PCI_GT64XXX_PCI0
  131. select PCI
  132. select SYS_HAS_CPU_NEVADA
  133. select SYS_HAS_EARLY_PRINTK
  134. select SYS_SUPPORTS_32BIT_KERNEL
  135. select SYS_SUPPORTS_64BIT_KERNEL
  136. select SYS_SUPPORTS_LITTLE_ENDIAN
  137. config MACH_DECSTATION
  138. bool "DECstations"
  139. select BOOT_ELF32
  140. select CEVT_DS1287
  141. select CEVT_R4K
  142. select CSRC_IOASIC
  143. select CSRC_R4K
  144. select CPU_DADDI_WORKAROUNDS if 64BIT
  145. select CPU_R4000_WORKAROUNDS if 64BIT
  146. select CPU_R4400_WORKAROUNDS if 64BIT
  147. select DMA_NONCOHERENT
  148. select NO_IOPORT
  149. select IRQ_CPU
  150. select SYS_HAS_CPU_R3000
  151. select SYS_HAS_CPU_R4X00
  152. select SYS_SUPPORTS_32BIT_KERNEL
  153. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  154. select SYS_SUPPORTS_LITTLE_ENDIAN
  155. select SYS_SUPPORTS_128HZ
  156. select SYS_SUPPORTS_256HZ
  157. select SYS_SUPPORTS_1024HZ
  158. help
  159. This enables support for DEC's MIPS based workstations. For details
  160. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  161. DECstation porting pages on <http://decstation.unix-ag.org/>.
  162. If you have one of the following DECstation Models you definitely
  163. want to choose R4xx0 for the CPU Type:
  164. DECstation 5000/50
  165. DECstation 5000/150
  166. DECstation 5000/260
  167. DECsystem 5900/260
  168. otherwise choose R3000.
  169. config MACH_JAZZ
  170. bool "Jazz family of machines"
  171. select ARC
  172. select ARC32
  173. select ARCH_MAY_HAVE_PC_FDC
  174. select CEVT_R4K
  175. select CSRC_R4K
  176. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  177. select GENERIC_ISA_DMA
  178. select HAVE_PCSPKR_PLATFORM
  179. select IRQ_CPU
  180. select I8253
  181. select I8259
  182. select ISA
  183. select SYS_HAS_CPU_R4X00
  184. select SYS_SUPPORTS_32BIT_KERNEL
  185. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  186. select SYS_SUPPORTS_100HZ
  187. help
  188. This a family of machines based on the MIPS R4030 chipset which was
  189. used by several vendors to build RISC/os and Windows NT workstations.
  190. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  191. Olivetti M700-10 workstations.
  192. config MACH_JZ4740
  193. bool "Ingenic JZ4740 based machines"
  194. select SYS_HAS_CPU_MIPS32_R1
  195. select SYS_SUPPORTS_32BIT_KERNEL
  196. select SYS_SUPPORTS_LITTLE_ENDIAN
  197. select DMA_NONCOHERENT
  198. select IRQ_CPU
  199. select GENERIC_GPIO
  200. select ARCH_REQUIRE_GPIOLIB
  201. select SYS_HAS_EARLY_PRINTK
  202. select HAVE_PWM
  203. select HAVE_CLK
  204. select GENERIC_IRQ_CHIP
  205. config LANTIQ
  206. bool "Lantiq based platforms"
  207. select DMA_NONCOHERENT
  208. select IRQ_CPU
  209. select CEVT_R4K
  210. select CSRC_R4K
  211. select SYS_HAS_CPU_MIPS32_R1
  212. select SYS_HAS_CPU_MIPS32_R2
  213. select SYS_SUPPORTS_BIG_ENDIAN
  214. select SYS_SUPPORTS_32BIT_KERNEL
  215. select SYS_SUPPORTS_MULTITHREADING
  216. select SYS_HAS_EARLY_PRINTK
  217. select ARCH_REQUIRE_GPIOLIB
  218. select SWAP_IO_SPACE
  219. select BOOT_RAW
  220. select HAVE_MACH_CLKDEV
  221. select CLKDEV_LOOKUP
  222. select USE_OF
  223. config LASAT
  224. bool "LASAT Networks platforms"
  225. select CEVT_R4K
  226. select CSRC_R4K
  227. select DMA_NONCOHERENT
  228. select SYS_HAS_EARLY_PRINTK
  229. select HW_HAS_PCI
  230. select IRQ_CPU
  231. select PCI_GT64XXX_PCI0
  232. select MIPS_NILE4
  233. select R5000_CPU_SCACHE
  234. select SYS_HAS_CPU_R5000
  235. select SYS_SUPPORTS_32BIT_KERNEL
  236. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  237. select SYS_SUPPORTS_LITTLE_ENDIAN
  238. config MACH_LOONGSON
  239. bool "Loongson family of machines"
  240. select SYS_SUPPORTS_ZBOOT
  241. help
  242. This enables the support of Loongson family of machines.
  243. Loongson is a family of general-purpose MIPS-compatible CPUs.
  244. developed at Institute of Computing Technology (ICT),
  245. Chinese Academy of Sciences (CAS) in the People's Republic
  246. of China. The chief architect is Professor Weiwu Hu.
  247. config MIPS_MALTA
  248. bool "MIPS Malta board"
  249. select ARCH_MAY_HAVE_PC_FDC
  250. select BOOT_ELF32
  251. select BOOT_RAW
  252. select CEVT_R4K
  253. select CSRC_R4K
  254. select DMA_NONCOHERENT
  255. select GENERIC_ISA_DMA
  256. select HAVE_PCSPKR_PLATFORM
  257. select IRQ_CPU
  258. select IRQ_GIC
  259. select HW_HAS_PCI
  260. select I8253
  261. select I8259
  262. select MIPS_BOARDS_GEN
  263. select MIPS_BONITO64
  264. select MIPS_CPU_SCACHE
  265. select PCI_GT64XXX_PCI0
  266. select MIPS_MSC
  267. select SWAP_IO_SPACE
  268. select SYS_HAS_CPU_MIPS32_R1
  269. select SYS_HAS_CPU_MIPS32_R2
  270. select SYS_HAS_CPU_MIPS64_R1
  271. select SYS_HAS_CPU_MIPS64_R2
  272. select SYS_HAS_CPU_NEVADA
  273. select SYS_HAS_CPU_RM7000
  274. select SYS_HAS_EARLY_PRINTK
  275. select SYS_SUPPORTS_32BIT_KERNEL
  276. select SYS_SUPPORTS_64BIT_KERNEL
  277. select SYS_SUPPORTS_BIG_ENDIAN
  278. select SYS_SUPPORTS_LITTLE_ENDIAN
  279. select SYS_SUPPORTS_MIPS_CMP
  280. select SYS_SUPPORTS_MULTITHREADING
  281. select SYS_SUPPORTS_SMARTMIPS
  282. select SYS_SUPPORTS_ZBOOT
  283. help
  284. This enables support for the MIPS Technologies Malta evaluation
  285. board.
  286. config MIPS_SIM
  287. bool 'MIPS simulator (MIPSsim)'
  288. select CEVT_R4K
  289. select CSRC_R4K
  290. select DMA_NONCOHERENT
  291. select SYS_HAS_EARLY_PRINTK
  292. select IRQ_CPU
  293. select BOOT_RAW
  294. select SYS_HAS_CPU_MIPS32_R1
  295. select SYS_HAS_CPU_MIPS32_R2
  296. select SYS_HAS_EARLY_PRINTK
  297. select SYS_SUPPORTS_32BIT_KERNEL
  298. select SYS_SUPPORTS_BIG_ENDIAN
  299. select SYS_SUPPORTS_MULTITHREADING
  300. select SYS_SUPPORTS_LITTLE_ENDIAN
  301. help
  302. This option enables support for MIPS Technologies MIPSsim software
  303. emulator.
  304. config NEC_MARKEINS
  305. bool "NEC EMMA2RH Mark-eins board"
  306. select SOC_EMMA2RH
  307. select HW_HAS_PCI
  308. help
  309. This enables support for the NEC Electronics Mark-eins boards.
  310. config MACH_VR41XX
  311. bool "NEC VR4100 series based machines"
  312. select CEVT_R4K
  313. select CSRC_R4K
  314. select SYS_HAS_CPU_VR41XX
  315. select ARCH_REQUIRE_GPIOLIB
  316. config NXP_STB220
  317. bool "NXP STB220 board"
  318. select SOC_PNX833X
  319. help
  320. Support for NXP Semiconductors STB220 Development Board.
  321. config NXP_STB225
  322. bool "NXP 225 board"
  323. select SOC_PNX833X
  324. select SOC_PNX8335
  325. help
  326. Support for NXP Semiconductors STB225 Development Board.
  327. config PNX8550_JBS
  328. bool "NXP PNX8550 based JBS board"
  329. select PNX8550
  330. select SYS_SUPPORTS_LITTLE_ENDIAN
  331. config PNX8550_STB810
  332. bool "NXP PNX8550 based STB810 board"
  333. select PNX8550
  334. select SYS_SUPPORTS_LITTLE_ENDIAN
  335. config PMC_MSP
  336. bool "PMC-Sierra MSP chipsets"
  337. depends on EXPERIMENTAL
  338. select CEVT_R4K
  339. select CSRC_R4K
  340. select DMA_NONCOHERENT
  341. select SWAP_IO_SPACE
  342. select NO_EXCEPT_FILL
  343. select BOOT_RAW
  344. select SYS_HAS_CPU_MIPS32_R1
  345. select SYS_HAS_CPU_MIPS32_R2
  346. select SYS_SUPPORTS_32BIT_KERNEL
  347. select SYS_SUPPORTS_BIG_ENDIAN
  348. select IRQ_CPU
  349. select SERIAL_8250
  350. select SERIAL_8250_CONSOLE
  351. help
  352. This adds support for the PMC-Sierra family of Multi-Service
  353. Processor System-On-A-Chips. These parts include a number
  354. of integrated peripherals, interfaces and DSPs in addition to
  355. a variety of MIPS cores.
  356. config PMC_YOSEMITE
  357. bool "PMC-Sierra Yosemite eval board"
  358. select CEVT_R4K
  359. select CSRC_R4K
  360. select DMA_COHERENT
  361. select HW_HAS_PCI
  362. select IRQ_CPU
  363. select IRQ_CPU_RM7K
  364. select IRQ_CPU_RM9K
  365. select SWAP_IO_SPACE
  366. select SYS_HAS_CPU_RM9000
  367. select SYS_HAS_EARLY_PRINTK
  368. select SYS_SUPPORTS_32BIT_KERNEL
  369. select SYS_SUPPORTS_64BIT_KERNEL
  370. select SYS_SUPPORTS_BIG_ENDIAN
  371. select SYS_SUPPORTS_HIGHMEM
  372. select SYS_SUPPORTS_SMP
  373. help
  374. Yosemite is an evaluation board for the RM9000x2 processor
  375. manufactured by PMC-Sierra.
  376. config POWERTV
  377. bool "Cisco PowerTV"
  378. select BOOT_ELF32
  379. select CEVT_R4K
  380. select CPU_MIPSR2_IRQ_VI
  381. select CPU_MIPSR2_IRQ_EI
  382. select CSRC_POWERTV
  383. select DMA_NONCOHERENT
  384. select HW_HAS_PCI
  385. select SYS_HAS_EARLY_PRINTK
  386. select SYS_HAS_CPU_MIPS32_R2
  387. select SYS_SUPPORTS_32BIT_KERNEL
  388. select SYS_SUPPORTS_BIG_ENDIAN
  389. select SYS_SUPPORTS_HIGHMEM
  390. select USB_OHCI_LITTLE_ENDIAN
  391. help
  392. This enables support for the Cisco PowerTV Platform.
  393. config SGI_IP22
  394. bool "SGI IP22 (Indy/Indigo2)"
  395. select ARC
  396. select ARC32
  397. select BOOT_ELF32
  398. select CEVT_R4K
  399. select CSRC_R4K
  400. select DEFAULT_SGI_PARTITION
  401. select DMA_NONCOHERENT
  402. select HW_HAS_EISA
  403. select I8253
  404. select I8259
  405. select IP22_CPU_SCACHE
  406. select IRQ_CPU
  407. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  408. select SGI_HAS_I8042
  409. select SGI_HAS_INDYDOG
  410. select SGI_HAS_HAL2
  411. select SGI_HAS_SEEQ
  412. select SGI_HAS_WD93
  413. select SGI_HAS_ZILOG
  414. select SWAP_IO_SPACE
  415. select SYS_HAS_CPU_R4X00
  416. select SYS_HAS_CPU_R5000
  417. #
  418. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  419. # memory during early boot on some machines.
  420. #
  421. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  422. # for a more details discussion
  423. #
  424. # select SYS_HAS_EARLY_PRINTK
  425. select SYS_SUPPORTS_32BIT_KERNEL
  426. select SYS_SUPPORTS_64BIT_KERNEL
  427. select SYS_SUPPORTS_BIG_ENDIAN
  428. help
  429. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  430. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  431. that runs on these, say Y here.
  432. config SGI_IP27
  433. bool "SGI IP27 (Origin200/2000)"
  434. select ARC
  435. select ARC64
  436. select BOOT_ELF64
  437. select DEFAULT_SGI_PARTITION
  438. select DMA_COHERENT
  439. select SYS_HAS_EARLY_PRINTK
  440. select HW_HAS_PCI
  441. select NR_CPUS_DEFAULT_64
  442. select SYS_HAS_CPU_R10000
  443. select SYS_SUPPORTS_64BIT_KERNEL
  444. select SYS_SUPPORTS_BIG_ENDIAN
  445. select SYS_SUPPORTS_NUMA
  446. select SYS_SUPPORTS_SMP
  447. help
  448. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  449. workstations. To compile a Linux kernel that runs on these, say Y
  450. here.
  451. config SGI_IP28
  452. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  453. depends on EXPERIMENTAL
  454. select ARC
  455. select ARC64
  456. select BOOT_ELF64
  457. select CEVT_R4K
  458. select CSRC_R4K
  459. select DEFAULT_SGI_PARTITION
  460. select DMA_NONCOHERENT
  461. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  462. select IRQ_CPU
  463. select HW_HAS_EISA
  464. select I8253
  465. select I8259
  466. select SGI_HAS_I8042
  467. select SGI_HAS_INDYDOG
  468. select SGI_HAS_HAL2
  469. select SGI_HAS_SEEQ
  470. select SGI_HAS_WD93
  471. select SGI_HAS_ZILOG
  472. select SWAP_IO_SPACE
  473. select SYS_HAS_CPU_R10000
  474. #
  475. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  476. # memory during early boot on some machines.
  477. #
  478. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  479. # for a more details discussion
  480. #
  481. # select SYS_HAS_EARLY_PRINTK
  482. select SYS_SUPPORTS_64BIT_KERNEL
  483. select SYS_SUPPORTS_BIG_ENDIAN
  484. help
  485. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  486. kernel that runs on these, say Y here.
  487. config SGI_IP32
  488. bool "SGI IP32 (O2)"
  489. select ARC
  490. select ARC32
  491. select BOOT_ELF32
  492. select CEVT_R4K
  493. select CSRC_R4K
  494. select DMA_NONCOHERENT
  495. select HW_HAS_PCI
  496. select IRQ_CPU
  497. select R5000_CPU_SCACHE
  498. select RM7000_CPU_SCACHE
  499. select SYS_HAS_CPU_R5000
  500. select SYS_HAS_CPU_R10000 if BROKEN
  501. select SYS_HAS_CPU_RM7000
  502. select SYS_HAS_CPU_NEVADA
  503. select SYS_SUPPORTS_64BIT_KERNEL
  504. select SYS_SUPPORTS_BIG_ENDIAN
  505. help
  506. If you want this kernel to run on SGI O2 workstation, say Y here.
  507. config SIBYTE_CRHINE
  508. bool "Sibyte BCM91120C-CRhine"
  509. depends on EXPERIMENTAL
  510. select BOOT_ELF32
  511. select DMA_COHERENT
  512. select SIBYTE_BCM1120
  513. select SWAP_IO_SPACE
  514. select SYS_HAS_CPU_SB1
  515. select SYS_SUPPORTS_BIG_ENDIAN
  516. select SYS_SUPPORTS_LITTLE_ENDIAN
  517. config SIBYTE_CARMEL
  518. bool "Sibyte BCM91120x-Carmel"
  519. depends on EXPERIMENTAL
  520. select BOOT_ELF32
  521. select DMA_COHERENT
  522. select SIBYTE_BCM1120
  523. select SWAP_IO_SPACE
  524. select SYS_HAS_CPU_SB1
  525. select SYS_SUPPORTS_BIG_ENDIAN
  526. select SYS_SUPPORTS_LITTLE_ENDIAN
  527. config SIBYTE_CRHONE
  528. bool "Sibyte BCM91125C-CRhone"
  529. depends on EXPERIMENTAL
  530. select BOOT_ELF32
  531. select DMA_COHERENT
  532. select SIBYTE_BCM1125
  533. select SWAP_IO_SPACE
  534. select SYS_HAS_CPU_SB1
  535. select SYS_SUPPORTS_BIG_ENDIAN
  536. select SYS_SUPPORTS_HIGHMEM
  537. select SYS_SUPPORTS_LITTLE_ENDIAN
  538. config SIBYTE_RHONE
  539. bool "Sibyte BCM91125E-Rhone"
  540. depends on EXPERIMENTAL
  541. select BOOT_ELF32
  542. select DMA_COHERENT
  543. select SIBYTE_BCM1125H
  544. select SWAP_IO_SPACE
  545. select SYS_HAS_CPU_SB1
  546. select SYS_SUPPORTS_BIG_ENDIAN
  547. select SYS_SUPPORTS_LITTLE_ENDIAN
  548. config SIBYTE_SWARM
  549. bool "Sibyte BCM91250A-SWARM"
  550. select BOOT_ELF32
  551. select DMA_COHERENT
  552. select HAVE_PATA_PLATFORM
  553. select NR_CPUS_DEFAULT_2
  554. select SIBYTE_SB1250
  555. select SWAP_IO_SPACE
  556. select SYS_HAS_CPU_SB1
  557. select SYS_SUPPORTS_BIG_ENDIAN
  558. select SYS_SUPPORTS_HIGHMEM
  559. select SYS_SUPPORTS_LITTLE_ENDIAN
  560. select ZONE_DMA32 if 64BIT
  561. config SIBYTE_LITTLESUR
  562. bool "Sibyte BCM91250C2-LittleSur"
  563. depends on EXPERIMENTAL
  564. select BOOT_ELF32
  565. select DMA_COHERENT
  566. select HAVE_PATA_PLATFORM
  567. select NR_CPUS_DEFAULT_2
  568. select SIBYTE_SB1250
  569. select SWAP_IO_SPACE
  570. select SYS_HAS_CPU_SB1
  571. select SYS_SUPPORTS_BIG_ENDIAN
  572. select SYS_SUPPORTS_HIGHMEM
  573. select SYS_SUPPORTS_LITTLE_ENDIAN
  574. config SIBYTE_SENTOSA
  575. bool "Sibyte BCM91250E-Sentosa"
  576. depends on EXPERIMENTAL
  577. select BOOT_ELF32
  578. select DMA_COHERENT
  579. select NR_CPUS_DEFAULT_2
  580. select SIBYTE_SB1250
  581. select SWAP_IO_SPACE
  582. select SYS_HAS_CPU_SB1
  583. select SYS_SUPPORTS_BIG_ENDIAN
  584. select SYS_SUPPORTS_LITTLE_ENDIAN
  585. config SIBYTE_BIGSUR
  586. bool "Sibyte BCM91480B-BigSur"
  587. select BOOT_ELF32
  588. select DMA_COHERENT
  589. select NR_CPUS_DEFAULT_4
  590. select SIBYTE_BCM1x80
  591. select SWAP_IO_SPACE
  592. select SYS_HAS_CPU_SB1
  593. select SYS_SUPPORTS_BIG_ENDIAN
  594. select SYS_SUPPORTS_HIGHMEM
  595. select SYS_SUPPORTS_LITTLE_ENDIAN
  596. select ZONE_DMA32 if 64BIT
  597. config SNI_RM
  598. bool "SNI RM200/300/400"
  599. select ARC if CPU_LITTLE_ENDIAN
  600. select ARC32 if CPU_LITTLE_ENDIAN
  601. select SNIPROM if CPU_BIG_ENDIAN
  602. select ARCH_MAY_HAVE_PC_FDC
  603. select BOOT_ELF32
  604. select CEVT_R4K
  605. select CSRC_R4K
  606. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  607. select DMA_NONCOHERENT
  608. select GENERIC_ISA_DMA
  609. select HAVE_PCSPKR_PLATFORM
  610. select HW_HAS_EISA
  611. select HW_HAS_PCI
  612. select IRQ_CPU
  613. select I8253
  614. select I8259
  615. select ISA
  616. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  617. select SYS_HAS_CPU_R4X00
  618. select SYS_HAS_CPU_R5000
  619. select SYS_HAS_CPU_R10000
  620. select R5000_CPU_SCACHE
  621. select SYS_HAS_EARLY_PRINTK
  622. select SYS_SUPPORTS_32BIT_KERNEL
  623. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  624. select SYS_SUPPORTS_BIG_ENDIAN
  625. select SYS_SUPPORTS_HIGHMEM
  626. select SYS_SUPPORTS_LITTLE_ENDIAN
  627. help
  628. The SNI RM200/300/400 are MIPS-based machines manufactured by
  629. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  630. Technology and now in turn merged with Fujitsu. Say Y here to
  631. support this machine type.
  632. config MACH_TX39XX
  633. bool "Toshiba TX39 series based machines"
  634. config MACH_TX49XX
  635. bool "Toshiba TX49 series based machines"
  636. config MIKROTIK_RB532
  637. bool "Mikrotik RB532 boards"
  638. select CEVT_R4K
  639. select CSRC_R4K
  640. select DMA_NONCOHERENT
  641. select HW_HAS_PCI
  642. select IRQ_CPU
  643. select SYS_HAS_CPU_MIPS32_R1
  644. select SYS_SUPPORTS_32BIT_KERNEL
  645. select SYS_SUPPORTS_LITTLE_ENDIAN
  646. select SWAP_IO_SPACE
  647. select BOOT_RAW
  648. select ARCH_REQUIRE_GPIOLIB
  649. help
  650. Support the Mikrotik(tm) RouterBoard 532 series,
  651. based on the IDT RC32434 SoC.
  652. config WR_PPMC
  653. bool "Wind River PPMC board"
  654. select CEVT_R4K
  655. select CSRC_R4K
  656. select IRQ_CPU
  657. select BOOT_ELF32
  658. select DMA_NONCOHERENT
  659. select HW_HAS_PCI
  660. select PCI_GT64XXX_PCI0
  661. select SWAP_IO_SPACE
  662. select SYS_HAS_CPU_MIPS32_R1
  663. select SYS_HAS_CPU_MIPS32_R2
  664. select SYS_HAS_CPU_MIPS64_R1
  665. select SYS_HAS_CPU_NEVADA
  666. select SYS_HAS_CPU_RM7000
  667. select SYS_SUPPORTS_32BIT_KERNEL
  668. select SYS_SUPPORTS_64BIT_KERNEL
  669. select SYS_SUPPORTS_BIG_ENDIAN
  670. select SYS_SUPPORTS_LITTLE_ENDIAN
  671. help
  672. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  673. board, which is based on GT64120 bridge chip.
  674. config CAVIUM_OCTEON_SIMULATOR
  675. bool "Cavium Networks Octeon Simulator"
  676. select CEVT_R4K
  677. select 64BIT_PHYS_ADDR
  678. select DMA_COHERENT
  679. select SYS_SUPPORTS_64BIT_KERNEL
  680. select SYS_SUPPORTS_BIG_ENDIAN
  681. select SYS_SUPPORTS_HOTPLUG_CPU
  682. select SYS_HAS_CPU_CAVIUM_OCTEON
  683. select HOLES_IN_ZONE
  684. help
  685. The Octeon simulator is software performance model of the Cavium
  686. Octeon Processor. It supports simulating Octeon processors on x86
  687. hardware.
  688. config CAVIUM_OCTEON_REFERENCE_BOARD
  689. bool "Cavium Networks Octeon reference board"
  690. select CEVT_R4K
  691. select 64BIT_PHYS_ADDR
  692. select DMA_COHERENT
  693. select SYS_SUPPORTS_64BIT_KERNEL
  694. select SYS_SUPPORTS_BIG_ENDIAN
  695. select SYS_SUPPORTS_HOTPLUG_CPU
  696. select SYS_HAS_EARLY_PRINTK
  697. select SYS_HAS_CPU_CAVIUM_OCTEON
  698. select SWAP_IO_SPACE
  699. select HW_HAS_PCI
  700. select ARCH_SUPPORTS_MSI
  701. select ZONE_DMA32
  702. select USB_ARCH_HAS_OHCI
  703. select USB_ARCH_HAS_EHCI
  704. select HOLES_IN_ZONE
  705. help
  706. This option supports all of the Octeon reference boards from Cavium
  707. Networks. It builds a kernel that dynamically determines the Octeon
  708. CPU type and supports all known board reference implementations.
  709. Some of the supported boards are:
  710. EBT3000
  711. EBH3000
  712. EBH3100
  713. Thunder
  714. Kodama
  715. Hikari
  716. Say Y here for most Octeon reference boards.
  717. config NLM_XLR_BOARD
  718. bool "Netlogic XLR/XLS based systems"
  719. depends on EXPERIMENTAL
  720. select BOOT_ELF32
  721. select NLM_COMMON
  722. select SYS_HAS_CPU_XLR
  723. select SYS_SUPPORTS_SMP
  724. select HW_HAS_PCI
  725. select SWAP_IO_SPACE
  726. select SYS_SUPPORTS_32BIT_KERNEL
  727. select SYS_SUPPORTS_64BIT_KERNEL
  728. select 64BIT_PHYS_ADDR
  729. select SYS_SUPPORTS_BIG_ENDIAN
  730. select SYS_SUPPORTS_HIGHMEM
  731. select DMA_COHERENT
  732. select NR_CPUS_DEFAULT_32
  733. select CEVT_R4K
  734. select CSRC_R4K
  735. select IRQ_CPU
  736. select ARCH_SUPPORTS_MSI
  737. select ZONE_DMA if 64BIT
  738. select SYNC_R4K
  739. select SYS_HAS_EARLY_PRINTK
  740. help
  741. Support for systems based on Netlogic XLR and XLS processors.
  742. Say Y here if you have a XLR or XLS based board.
  743. config NLM_XLP_BOARD
  744. bool "Netlogic XLP based systems"
  745. depends on EXPERIMENTAL
  746. select BOOT_ELF32
  747. select NLM_COMMON
  748. select SYS_HAS_CPU_XLP
  749. select SYS_SUPPORTS_SMP
  750. select HW_HAS_PCI
  751. select SWAP_IO_SPACE
  752. select SYS_SUPPORTS_32BIT_KERNEL
  753. select SYS_SUPPORTS_64BIT_KERNEL
  754. select 64BIT_PHYS_ADDR
  755. select SYS_SUPPORTS_BIG_ENDIAN
  756. select SYS_SUPPORTS_LITTLE_ENDIAN
  757. select SYS_SUPPORTS_HIGHMEM
  758. select DMA_COHERENT
  759. select NR_CPUS_DEFAULT_32
  760. select CEVT_R4K
  761. select CSRC_R4K
  762. select IRQ_CPU
  763. select ZONE_DMA if 64BIT
  764. select SYNC_R4K
  765. select SYS_HAS_EARLY_PRINTK
  766. help
  767. This board is based on Netlogic XLP Processor.
  768. Say Y here if you have a XLP based board.
  769. endchoice
  770. source "arch/mips/alchemy/Kconfig"
  771. source "arch/mips/ath79/Kconfig"
  772. source "arch/mips/bcm47xx/Kconfig"
  773. source "arch/mips/bcm63xx/Kconfig"
  774. source "arch/mips/jazz/Kconfig"
  775. source "arch/mips/jz4740/Kconfig"
  776. source "arch/mips/lantiq/Kconfig"
  777. source "arch/mips/lasat/Kconfig"
  778. source "arch/mips/pmc-sierra/Kconfig"
  779. source "arch/mips/powertv/Kconfig"
  780. source "arch/mips/sgi-ip27/Kconfig"
  781. source "arch/mips/sibyte/Kconfig"
  782. source "arch/mips/txx9/Kconfig"
  783. source "arch/mips/vr41xx/Kconfig"
  784. source "arch/mips/cavium-octeon/Kconfig"
  785. source "arch/mips/loongson/Kconfig"
  786. source "arch/mips/netlogic/Kconfig"
  787. endmenu
  788. config RWSEM_GENERIC_SPINLOCK
  789. bool
  790. default y
  791. config RWSEM_XCHGADD_ALGORITHM
  792. bool
  793. config ARCH_HAS_ILOG2_U32
  794. bool
  795. default n
  796. config ARCH_HAS_ILOG2_U64
  797. bool
  798. default n
  799. config GENERIC_HWEIGHT
  800. bool
  801. default y
  802. config GENERIC_CALIBRATE_DELAY
  803. bool
  804. default y
  805. config SCHED_OMIT_FRAME_POINTER
  806. bool
  807. default y
  808. #
  809. # Select some configuration options automatically based on user selections.
  810. #
  811. config ARC
  812. bool
  813. config ARCH_MAY_HAVE_PC_FDC
  814. bool
  815. config BOOT_RAW
  816. bool
  817. config CEVT_BCM1480
  818. bool
  819. config CEVT_DS1287
  820. bool
  821. config CEVT_GT641XX
  822. bool
  823. config CEVT_R4K_LIB
  824. bool
  825. config CEVT_R4K
  826. select CEVT_R4K_LIB
  827. bool
  828. config CEVT_SB1250
  829. bool
  830. config CEVT_TXX9
  831. bool
  832. config CSRC_BCM1480
  833. bool
  834. config CSRC_IOASIC
  835. bool
  836. config CSRC_POWERTV
  837. bool
  838. config CSRC_R4K_LIB
  839. bool
  840. config CSRC_R4K
  841. select CSRC_R4K_LIB
  842. bool
  843. config CSRC_SB1250
  844. bool
  845. config GPIO_TXX9
  846. select GENERIC_GPIO
  847. select ARCH_REQUIRE_GPIOLIB
  848. bool
  849. config CFE
  850. bool
  851. config ARCH_DMA_ADDR_T_64BIT
  852. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  853. config DMA_COHERENT
  854. bool
  855. config DMA_NONCOHERENT
  856. bool
  857. select NEED_DMA_MAP_STATE
  858. config NEED_DMA_MAP_STATE
  859. bool
  860. config SYS_HAS_EARLY_PRINTK
  861. bool
  862. config HOTPLUG_CPU
  863. bool "Support for hot-pluggable CPUs"
  864. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  865. help
  866. Say Y here to allow turning CPUs off and on. CPUs can be
  867. controlled through /sys/devices/system/cpu.
  868. (Note: power management support will enable this option
  869. automatically on SMP systems. )
  870. Say N if you want to disable CPU hotplug.
  871. config SYS_SUPPORTS_HOTPLUG_CPU
  872. bool
  873. config I8259
  874. bool
  875. config MIPS_BONITO64
  876. bool
  877. config MIPS_MSC
  878. bool
  879. config MIPS_NILE4
  880. bool
  881. config MIPS_DISABLE_OBSOLETE_IDE
  882. bool
  883. config SYNC_R4K
  884. bool
  885. config MIPS_MACHINE
  886. def_bool n
  887. config NO_IOPORT
  888. def_bool n
  889. config GENERIC_ISA_DMA
  890. bool
  891. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  892. select ISA_DMA_API
  893. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  894. bool
  895. select GENERIC_ISA_DMA
  896. config ISA_DMA_API
  897. bool
  898. config GENERIC_GPIO
  899. bool
  900. config HOLES_IN_ZONE
  901. bool
  902. #
  903. # Endianness selection. Sufficiently obscure so many users don't know what to
  904. # answer,so we try hard to limit the available choices. Also the use of a
  905. # choice statement should be more obvious to the user.
  906. #
  907. choice
  908. prompt "Endianness selection"
  909. help
  910. Some MIPS machines can be configured for either little or big endian
  911. byte order. These modes require different kernels and a different
  912. Linux distribution. In general there is one preferred byteorder for a
  913. particular system but some systems are just as commonly used in the
  914. one or the other endianness.
  915. config CPU_BIG_ENDIAN
  916. bool "Big endian"
  917. depends on SYS_SUPPORTS_BIG_ENDIAN
  918. config CPU_LITTLE_ENDIAN
  919. bool "Little endian"
  920. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  921. help
  922. endchoice
  923. config EXPORT_UASM
  924. bool
  925. config SYS_SUPPORTS_APM_EMULATION
  926. bool
  927. config SYS_SUPPORTS_BIG_ENDIAN
  928. bool
  929. config SYS_SUPPORTS_LITTLE_ENDIAN
  930. bool
  931. config SYS_SUPPORTS_HUGETLBFS
  932. bool
  933. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  934. default y
  935. config IRQ_CPU
  936. bool
  937. config IRQ_CPU_RM7K
  938. bool
  939. config IRQ_CPU_RM9K
  940. bool
  941. config IRQ_MSP_SLP
  942. bool
  943. config IRQ_MSP_CIC
  944. bool
  945. config IRQ_TXX9
  946. bool
  947. config IRQ_GT641XX
  948. bool
  949. config IRQ_GIC
  950. bool
  951. config MIPS_BOARDS_GEN
  952. bool
  953. config PCI_GT64XXX_PCI0
  954. bool
  955. config NO_EXCEPT_FILL
  956. bool
  957. config MIPS_RM9122
  958. bool
  959. select SERIAL_RM9000
  960. config SOC_EMMA2RH
  961. bool
  962. select CEVT_R4K
  963. select CSRC_R4K
  964. select DMA_NONCOHERENT
  965. select IRQ_CPU
  966. select SWAP_IO_SPACE
  967. select SYS_HAS_CPU_R5500
  968. select SYS_SUPPORTS_32BIT_KERNEL
  969. select SYS_SUPPORTS_64BIT_KERNEL
  970. select SYS_SUPPORTS_BIG_ENDIAN
  971. config SOC_PNX833X
  972. bool
  973. select CEVT_R4K
  974. select CSRC_R4K
  975. select IRQ_CPU
  976. select DMA_NONCOHERENT
  977. select SYS_HAS_CPU_MIPS32_R2
  978. select SYS_SUPPORTS_32BIT_KERNEL
  979. select SYS_SUPPORTS_LITTLE_ENDIAN
  980. select SYS_SUPPORTS_BIG_ENDIAN
  981. select GENERIC_GPIO
  982. select CPU_MIPSR2_IRQ_VI
  983. config SOC_PNX8335
  984. bool
  985. select SOC_PNX833X
  986. config PNX8550
  987. bool
  988. select SOC_PNX8550
  989. config SOC_PNX8550
  990. bool
  991. select DMA_NONCOHERENT
  992. select HW_HAS_PCI
  993. select SYS_HAS_CPU_MIPS32_R1
  994. select SYS_HAS_EARLY_PRINTK
  995. select SYS_SUPPORTS_32BIT_KERNEL
  996. select GENERIC_GPIO
  997. config SWAP_IO_SPACE
  998. bool
  999. config SERIAL_RM9000
  1000. bool
  1001. config SGI_HAS_INDYDOG
  1002. bool
  1003. config SGI_HAS_HAL2
  1004. bool
  1005. config SGI_HAS_SEEQ
  1006. bool
  1007. config SGI_HAS_WD93
  1008. bool
  1009. config SGI_HAS_ZILOG
  1010. bool
  1011. config SGI_HAS_I8042
  1012. bool
  1013. config DEFAULT_SGI_PARTITION
  1014. bool
  1015. config ARC32
  1016. bool
  1017. config SNIPROM
  1018. bool
  1019. config BOOT_ELF32
  1020. bool
  1021. config MIPS_L1_CACHE_SHIFT
  1022. int
  1023. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1024. default "6" if MIPS_CPU_SCACHE
  1025. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1026. default "5"
  1027. config HAVE_STD_PC_SERIAL_PORT
  1028. bool
  1029. config ARC_CONSOLE
  1030. bool "ARC console support"
  1031. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1032. config ARC_MEMORY
  1033. bool
  1034. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1035. default y
  1036. config ARC_PROMLIB
  1037. bool
  1038. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1039. default y
  1040. config ARC64
  1041. bool
  1042. config BOOT_ELF64
  1043. bool
  1044. menu "CPU selection"
  1045. choice
  1046. prompt "CPU type"
  1047. default CPU_R4X00
  1048. config CPU_LOONGSON2E
  1049. bool "Loongson 2E"
  1050. depends on SYS_HAS_CPU_LOONGSON2E
  1051. select CPU_LOONGSON2
  1052. help
  1053. The Loongson 2E processor implements the MIPS III instruction set
  1054. with many extensions.
  1055. It has an internal FPGA northbridge, which is compatible to
  1056. bonito64.
  1057. config CPU_LOONGSON2F
  1058. bool "Loongson 2F"
  1059. depends on SYS_HAS_CPU_LOONGSON2F
  1060. select CPU_LOONGSON2
  1061. select GENERIC_GPIO
  1062. select ARCH_REQUIRE_GPIOLIB
  1063. help
  1064. The Loongson 2F processor implements the MIPS III instruction set
  1065. with many extensions.
  1066. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1067. have a similar programming interface with FPGA northbridge used in
  1068. Loongson2E.
  1069. config CPU_MIPS32_R1
  1070. bool "MIPS32 Release 1"
  1071. depends on SYS_HAS_CPU_MIPS32_R1
  1072. select CPU_HAS_PREFETCH
  1073. select CPU_SUPPORTS_32BIT_KERNEL
  1074. select CPU_SUPPORTS_HIGHMEM
  1075. help
  1076. Choose this option to build a kernel for release 1 or later of the
  1077. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1078. MIPS processor are based on a MIPS32 processor. If you know the
  1079. specific type of processor in your system, choose those that one
  1080. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1081. Release 2 of the MIPS32 architecture is available since several
  1082. years so chances are you even have a MIPS32 Release 2 processor
  1083. in which case you should choose CPU_MIPS32_R2 instead for better
  1084. performance.
  1085. config CPU_MIPS32_R2
  1086. bool "MIPS32 Release 2"
  1087. depends on SYS_HAS_CPU_MIPS32_R2
  1088. select CPU_HAS_PREFETCH
  1089. select CPU_SUPPORTS_32BIT_KERNEL
  1090. select CPU_SUPPORTS_HIGHMEM
  1091. help
  1092. Choose this option to build a kernel for release 2 or later of the
  1093. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1094. MIPS processor are based on a MIPS32 processor. If you know the
  1095. specific type of processor in your system, choose those that one
  1096. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1097. config CPU_MIPS64_R1
  1098. bool "MIPS64 Release 1"
  1099. depends on SYS_HAS_CPU_MIPS64_R1
  1100. select CPU_HAS_PREFETCH
  1101. select CPU_SUPPORTS_32BIT_KERNEL
  1102. select CPU_SUPPORTS_64BIT_KERNEL
  1103. select CPU_SUPPORTS_HIGHMEM
  1104. select CPU_SUPPORTS_HUGEPAGES
  1105. help
  1106. Choose this option to build a kernel for release 1 or later of the
  1107. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1108. MIPS processor are based on a MIPS64 processor. If you know the
  1109. specific type of processor in your system, choose those that one
  1110. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1111. Release 2 of the MIPS64 architecture is available since several
  1112. years so chances are you even have a MIPS64 Release 2 processor
  1113. in which case you should choose CPU_MIPS64_R2 instead for better
  1114. performance.
  1115. config CPU_MIPS64_R2
  1116. bool "MIPS64 Release 2"
  1117. depends on SYS_HAS_CPU_MIPS64_R2
  1118. select CPU_HAS_PREFETCH
  1119. select CPU_SUPPORTS_32BIT_KERNEL
  1120. select CPU_SUPPORTS_64BIT_KERNEL
  1121. select CPU_SUPPORTS_HIGHMEM
  1122. select CPU_SUPPORTS_HUGEPAGES
  1123. help
  1124. Choose this option to build a kernel for release 2 or later of the
  1125. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1126. MIPS processor are based on a MIPS64 processor. If you know the
  1127. specific type of processor in your system, choose those that one
  1128. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1129. config CPU_R3000
  1130. bool "R3000"
  1131. depends on SYS_HAS_CPU_R3000
  1132. select CPU_HAS_WB
  1133. select CPU_SUPPORTS_32BIT_KERNEL
  1134. select CPU_SUPPORTS_HIGHMEM
  1135. help
  1136. Please make sure to pick the right CPU type. Linux/MIPS is not
  1137. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1138. *not* work on R4000 machines and vice versa. However, since most
  1139. of the supported machines have an R4000 (or similar) CPU, R4x00
  1140. might be a safe bet. If the resulting kernel does not work,
  1141. try to recompile with R3000.
  1142. config CPU_TX39XX
  1143. bool "R39XX"
  1144. depends on SYS_HAS_CPU_TX39XX
  1145. select CPU_SUPPORTS_32BIT_KERNEL
  1146. config CPU_VR41XX
  1147. bool "R41xx"
  1148. depends on SYS_HAS_CPU_VR41XX
  1149. select CPU_SUPPORTS_32BIT_KERNEL
  1150. select CPU_SUPPORTS_64BIT_KERNEL
  1151. help
  1152. The options selects support for the NEC VR4100 series of processors.
  1153. Only choose this option if you have one of these processors as a
  1154. kernel built with this option will not run on any other type of
  1155. processor or vice versa.
  1156. config CPU_R4300
  1157. bool "R4300"
  1158. depends on SYS_HAS_CPU_R4300
  1159. select CPU_SUPPORTS_32BIT_KERNEL
  1160. select CPU_SUPPORTS_64BIT_KERNEL
  1161. help
  1162. MIPS Technologies R4300-series processors.
  1163. config CPU_R4X00
  1164. bool "R4x00"
  1165. depends on SYS_HAS_CPU_R4X00
  1166. select CPU_SUPPORTS_32BIT_KERNEL
  1167. select CPU_SUPPORTS_64BIT_KERNEL
  1168. help
  1169. MIPS Technologies R4000-series processors other than 4300, including
  1170. the R4000, R4400, R4600, and 4700.
  1171. config CPU_TX49XX
  1172. bool "R49XX"
  1173. depends on SYS_HAS_CPU_TX49XX
  1174. select CPU_HAS_PREFETCH
  1175. select CPU_SUPPORTS_32BIT_KERNEL
  1176. select CPU_SUPPORTS_64BIT_KERNEL
  1177. config CPU_R5000
  1178. bool "R5000"
  1179. depends on SYS_HAS_CPU_R5000
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. select CPU_SUPPORTS_64BIT_KERNEL
  1182. help
  1183. MIPS Technologies R5000-series processors other than the Nevada.
  1184. config CPU_R5432
  1185. bool "R5432"
  1186. depends on SYS_HAS_CPU_R5432
  1187. select CPU_SUPPORTS_32BIT_KERNEL
  1188. select CPU_SUPPORTS_64BIT_KERNEL
  1189. config CPU_R5500
  1190. bool "R5500"
  1191. depends on SYS_HAS_CPU_R5500
  1192. select CPU_SUPPORTS_32BIT_KERNEL
  1193. select CPU_SUPPORTS_64BIT_KERNEL
  1194. select CPU_SUPPORTS_HUGEPAGES
  1195. help
  1196. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1197. instruction set.
  1198. config CPU_R6000
  1199. bool "R6000"
  1200. depends on EXPERIMENTAL
  1201. depends on SYS_HAS_CPU_R6000
  1202. select CPU_SUPPORTS_32BIT_KERNEL
  1203. help
  1204. MIPS Technologies R6000 and R6000A series processors. Note these
  1205. processors are extremely rare and the support for them is incomplete.
  1206. config CPU_NEVADA
  1207. bool "RM52xx"
  1208. depends on SYS_HAS_CPU_NEVADA
  1209. select CPU_SUPPORTS_32BIT_KERNEL
  1210. select CPU_SUPPORTS_64BIT_KERNEL
  1211. help
  1212. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1213. config CPU_R8000
  1214. bool "R8000"
  1215. depends on EXPERIMENTAL
  1216. depends on SYS_HAS_CPU_R8000
  1217. select CPU_HAS_PREFETCH
  1218. select CPU_SUPPORTS_64BIT_KERNEL
  1219. help
  1220. MIPS Technologies R8000 processors. Note these processors are
  1221. uncommon and the support for them is incomplete.
  1222. config CPU_R10000
  1223. bool "R10000"
  1224. depends on SYS_HAS_CPU_R10000
  1225. select CPU_HAS_PREFETCH
  1226. select CPU_SUPPORTS_32BIT_KERNEL
  1227. select CPU_SUPPORTS_64BIT_KERNEL
  1228. select CPU_SUPPORTS_HIGHMEM
  1229. help
  1230. MIPS Technologies R10000-series processors.
  1231. config CPU_RM7000
  1232. bool "RM7000"
  1233. depends on SYS_HAS_CPU_RM7000
  1234. select CPU_HAS_PREFETCH
  1235. select CPU_SUPPORTS_32BIT_KERNEL
  1236. select CPU_SUPPORTS_64BIT_KERNEL
  1237. select CPU_SUPPORTS_HIGHMEM
  1238. config CPU_RM9000
  1239. bool "RM9000"
  1240. depends on SYS_HAS_CPU_RM9000
  1241. select CPU_HAS_PREFETCH
  1242. select CPU_SUPPORTS_32BIT_KERNEL
  1243. select CPU_SUPPORTS_64BIT_KERNEL
  1244. select CPU_SUPPORTS_HIGHMEM
  1245. select WEAK_ORDERING
  1246. config CPU_SB1
  1247. bool "SB1"
  1248. depends on SYS_HAS_CPU_SB1
  1249. select CPU_SUPPORTS_32BIT_KERNEL
  1250. select CPU_SUPPORTS_64BIT_KERNEL
  1251. select CPU_SUPPORTS_HIGHMEM
  1252. select WEAK_ORDERING
  1253. config CPU_CAVIUM_OCTEON
  1254. bool "Cavium Octeon processor"
  1255. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1256. select ARCH_SPARSEMEM_ENABLE
  1257. select CPU_HAS_PREFETCH
  1258. select CPU_SUPPORTS_64BIT_KERNEL
  1259. select SYS_SUPPORTS_SMP
  1260. select NR_CPUS_DEFAULT_16
  1261. select WEAK_ORDERING
  1262. select CPU_SUPPORTS_HIGHMEM
  1263. select CPU_SUPPORTS_HUGEPAGES
  1264. select LIBFDT
  1265. select USE_OF
  1266. help
  1267. The Cavium Octeon processor is a highly integrated chip containing
  1268. many ethernet hardware widgets for networking tasks. The processor
  1269. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1270. Full details can be found at http://www.caviumnetworks.com.
  1271. config CPU_BMIPS3300
  1272. bool "BMIPS3300"
  1273. depends on SYS_HAS_CPU_BMIPS3300
  1274. select CPU_BMIPS
  1275. help
  1276. Broadcom BMIPS3300 processors.
  1277. config CPU_BMIPS4350
  1278. bool "BMIPS4350"
  1279. depends on SYS_HAS_CPU_BMIPS4350
  1280. select CPU_BMIPS
  1281. select SYS_SUPPORTS_SMP
  1282. select SYS_SUPPORTS_HOTPLUG_CPU
  1283. help
  1284. Broadcom BMIPS4350 ("VIPER") processors.
  1285. config CPU_BMIPS4380
  1286. bool "BMIPS4380"
  1287. depends on SYS_HAS_CPU_BMIPS4380
  1288. select CPU_BMIPS
  1289. select SYS_SUPPORTS_SMP
  1290. select SYS_SUPPORTS_HOTPLUG_CPU
  1291. help
  1292. Broadcom BMIPS4380 processors.
  1293. config CPU_BMIPS5000
  1294. bool "BMIPS5000"
  1295. depends on SYS_HAS_CPU_BMIPS5000
  1296. select CPU_BMIPS
  1297. select CPU_SUPPORTS_HIGHMEM
  1298. select MIPS_CPU_SCACHE
  1299. select SYS_SUPPORTS_SMP
  1300. select SYS_SUPPORTS_HOTPLUG_CPU
  1301. help
  1302. Broadcom BMIPS5000 processors.
  1303. config CPU_XLR
  1304. bool "Netlogic XLR SoC"
  1305. depends on SYS_HAS_CPU_XLR
  1306. select CPU_SUPPORTS_32BIT_KERNEL
  1307. select CPU_SUPPORTS_64BIT_KERNEL
  1308. select CPU_SUPPORTS_HIGHMEM
  1309. select WEAK_ORDERING
  1310. select WEAK_REORDERING_BEYOND_LLSC
  1311. select CPU_SUPPORTS_HUGEPAGES
  1312. help
  1313. Netlogic Microsystems XLR/XLS processors.
  1314. config CPU_XLP
  1315. bool "Netlogic XLP SoC"
  1316. depends on SYS_HAS_CPU_XLP
  1317. select CPU_SUPPORTS_32BIT_KERNEL
  1318. select CPU_SUPPORTS_64BIT_KERNEL
  1319. select CPU_SUPPORTS_HIGHMEM
  1320. select CPU_HAS_LLSC
  1321. select WEAK_ORDERING
  1322. select WEAK_REORDERING_BEYOND_LLSC
  1323. select CPU_HAS_PREFETCH
  1324. help
  1325. Netlogic Microsystems XLP processors.
  1326. endchoice
  1327. if CPU_LOONGSON2F
  1328. config CPU_NOP_WORKAROUNDS
  1329. bool
  1330. config CPU_JUMP_WORKAROUNDS
  1331. bool
  1332. config CPU_LOONGSON2F_WORKAROUNDS
  1333. bool "Loongson 2F Workarounds"
  1334. default y
  1335. select CPU_NOP_WORKAROUNDS
  1336. select CPU_JUMP_WORKAROUNDS
  1337. help
  1338. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1339. require workarounds. Without workarounds the system may hang
  1340. unexpectedly. For more information please refer to the gas
  1341. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1342. Loongson 2F03 and later have fixed these issues and no workarounds
  1343. are needed. The workarounds have no significant side effect on them
  1344. but may decrease the performance of the system so this option should
  1345. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1346. systems.
  1347. If unsure, please say Y.
  1348. endif # CPU_LOONGSON2F
  1349. config SYS_SUPPORTS_ZBOOT
  1350. bool
  1351. select HAVE_KERNEL_GZIP
  1352. select HAVE_KERNEL_BZIP2
  1353. select HAVE_KERNEL_LZMA
  1354. select HAVE_KERNEL_LZO
  1355. config SYS_SUPPORTS_ZBOOT_UART16550
  1356. bool
  1357. select SYS_SUPPORTS_ZBOOT
  1358. config CPU_LOONGSON2
  1359. bool
  1360. select CPU_SUPPORTS_32BIT_KERNEL
  1361. select CPU_SUPPORTS_64BIT_KERNEL
  1362. select CPU_SUPPORTS_HIGHMEM
  1363. config CPU_BMIPS
  1364. bool
  1365. select CPU_MIPS32
  1366. select CPU_SUPPORTS_32BIT_KERNEL
  1367. select DMA_NONCOHERENT
  1368. select IRQ_CPU
  1369. select SWAP_IO_SPACE
  1370. select WEAK_ORDERING
  1371. config SYS_HAS_CPU_LOONGSON2E
  1372. bool
  1373. config SYS_HAS_CPU_LOONGSON2F
  1374. bool
  1375. select CPU_SUPPORTS_CPUFREQ
  1376. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1377. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1378. config SYS_HAS_CPU_MIPS32_R1
  1379. bool
  1380. config SYS_HAS_CPU_MIPS32_R2
  1381. bool
  1382. config SYS_HAS_CPU_MIPS64_R1
  1383. bool
  1384. config SYS_HAS_CPU_MIPS64_R2
  1385. bool
  1386. config SYS_HAS_CPU_R3000
  1387. bool
  1388. config SYS_HAS_CPU_TX39XX
  1389. bool
  1390. config SYS_HAS_CPU_VR41XX
  1391. bool
  1392. config SYS_HAS_CPU_R4300
  1393. bool
  1394. config SYS_HAS_CPU_R4X00
  1395. bool
  1396. config SYS_HAS_CPU_TX49XX
  1397. bool
  1398. config SYS_HAS_CPU_R5000
  1399. bool
  1400. config SYS_HAS_CPU_R5432
  1401. bool
  1402. config SYS_HAS_CPU_R5500
  1403. bool
  1404. config SYS_HAS_CPU_R6000
  1405. bool
  1406. config SYS_HAS_CPU_NEVADA
  1407. bool
  1408. config SYS_HAS_CPU_R8000
  1409. bool
  1410. config SYS_HAS_CPU_R10000
  1411. bool
  1412. config SYS_HAS_CPU_RM7000
  1413. bool
  1414. config SYS_HAS_CPU_RM9000
  1415. bool
  1416. config SYS_HAS_CPU_SB1
  1417. bool
  1418. config SYS_HAS_CPU_CAVIUM_OCTEON
  1419. bool
  1420. config SYS_HAS_CPU_BMIPS3300
  1421. bool
  1422. config SYS_HAS_CPU_BMIPS4350
  1423. bool
  1424. config SYS_HAS_CPU_BMIPS4380
  1425. bool
  1426. config SYS_HAS_CPU_BMIPS5000
  1427. bool
  1428. config SYS_HAS_CPU_XLR
  1429. bool
  1430. config SYS_HAS_CPU_XLP
  1431. bool
  1432. #
  1433. # CPU may reorder R->R, R->W, W->R, W->W
  1434. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1435. #
  1436. config WEAK_ORDERING
  1437. bool
  1438. #
  1439. # CPU may reorder reads and writes beyond LL/SC
  1440. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1441. #
  1442. config WEAK_REORDERING_BEYOND_LLSC
  1443. bool
  1444. endmenu
  1445. #
  1446. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1447. #
  1448. config CPU_MIPS32
  1449. bool
  1450. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1451. config CPU_MIPS64
  1452. bool
  1453. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1454. #
  1455. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1456. #
  1457. config CPU_MIPSR1
  1458. bool
  1459. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1460. config CPU_MIPSR2
  1461. bool
  1462. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1463. config SYS_SUPPORTS_32BIT_KERNEL
  1464. bool
  1465. config SYS_SUPPORTS_64BIT_KERNEL
  1466. bool
  1467. config CPU_SUPPORTS_32BIT_KERNEL
  1468. bool
  1469. config CPU_SUPPORTS_64BIT_KERNEL
  1470. bool
  1471. config CPU_SUPPORTS_CPUFREQ
  1472. bool
  1473. config CPU_SUPPORTS_ADDRWINCFG
  1474. bool
  1475. config CPU_SUPPORTS_HUGEPAGES
  1476. bool
  1477. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1478. bool
  1479. config MIPS_PGD_C0_CONTEXT
  1480. bool
  1481. default y if 64BIT && CPU_MIPSR2
  1482. #
  1483. # Set to y for ptrace access to watch registers.
  1484. #
  1485. config HARDWARE_WATCHPOINTS
  1486. bool
  1487. default y if CPU_MIPSR1 || CPU_MIPSR2
  1488. menu "Kernel type"
  1489. choice
  1490. prompt "Kernel code model"
  1491. help
  1492. You should only select this option if you have a workload that
  1493. actually benefits from 64-bit processing or if your machine has
  1494. large memory. You will only be presented a single option in this
  1495. menu if your system does not support both 32-bit and 64-bit kernels.
  1496. config 32BIT
  1497. bool "32-bit kernel"
  1498. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1499. select TRAD_SIGNALS
  1500. help
  1501. Select this option if you want to build a 32-bit kernel.
  1502. config 64BIT
  1503. bool "64-bit kernel"
  1504. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1505. select HAVE_SYSCALL_WRAPPERS
  1506. help
  1507. Select this option if you want to build a 64-bit kernel.
  1508. endchoice
  1509. choice
  1510. prompt "Kernel page size"
  1511. default PAGE_SIZE_4KB
  1512. config PAGE_SIZE_4KB
  1513. bool "4kB"
  1514. depends on !CPU_LOONGSON2
  1515. help
  1516. This option select the standard 4kB Linux page size. On some
  1517. R3000-family processors this is the only available page size. Using
  1518. 4kB page size will minimize memory consumption and is therefore
  1519. recommended for low memory systems.
  1520. config PAGE_SIZE_8KB
  1521. bool "8kB"
  1522. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1523. help
  1524. Using 8kB page size will result in higher performance kernel at
  1525. the price of higher memory consumption. This option is available
  1526. only on R8000 and cnMIPS processors. Note that you will need a
  1527. suitable Linux distribution to support this.
  1528. config PAGE_SIZE_16KB
  1529. bool "16kB"
  1530. depends on !CPU_R3000 && !CPU_TX39XX
  1531. help
  1532. Using 16kB page size will result in higher performance kernel at
  1533. the price of higher memory consumption. This option is available on
  1534. all non-R3000 family processors. Note that you will need a suitable
  1535. Linux distribution to support this.
  1536. config PAGE_SIZE_32KB
  1537. bool "32kB"
  1538. depends on CPU_CAVIUM_OCTEON
  1539. help
  1540. Using 32kB page size will result in higher performance kernel at
  1541. the price of higher memory consumption. This option is available
  1542. only on cnMIPS cores. Note that you will need a suitable Linux
  1543. distribution to support this.
  1544. config PAGE_SIZE_64KB
  1545. bool "64kB"
  1546. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1547. help
  1548. Using 64kB page size will result in higher performance kernel at
  1549. the price of higher memory consumption. This option is available on
  1550. all non-R3000 family processor. Not that at the time of this
  1551. writing this option is still high experimental.
  1552. endchoice
  1553. config FORCE_MAX_ZONEORDER
  1554. int "Maximum zone order"
  1555. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1556. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1557. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1558. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1559. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1560. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1561. range 11 64
  1562. default "11"
  1563. help
  1564. The kernel memory allocator divides physically contiguous memory
  1565. blocks into "zones", where each zone is a power of two number of
  1566. pages. This option selects the largest power of two that the kernel
  1567. keeps in the memory allocator. If you need to allocate very large
  1568. blocks of physically contiguous memory, then you may need to
  1569. increase this value.
  1570. This config option is actually maximum order plus one. For example,
  1571. a value of 11 means that the largest free memory block is 2^10 pages.
  1572. The page size is not necessarily 4KB. Keep this in mind
  1573. when choosing a value for this option.
  1574. config BOARD_SCACHE
  1575. bool
  1576. config IP22_CPU_SCACHE
  1577. bool
  1578. select BOARD_SCACHE
  1579. #
  1580. # Support for a MIPS32 / MIPS64 style S-caches
  1581. #
  1582. config MIPS_CPU_SCACHE
  1583. bool
  1584. select BOARD_SCACHE
  1585. config R5000_CPU_SCACHE
  1586. bool
  1587. select BOARD_SCACHE
  1588. config RM7000_CPU_SCACHE
  1589. bool
  1590. select BOARD_SCACHE
  1591. config SIBYTE_DMA_PAGEOPS
  1592. bool "Use DMA to clear/copy pages"
  1593. depends on CPU_SB1
  1594. help
  1595. Instead of using the CPU to zero and copy pages, use a Data Mover
  1596. channel. These DMA channels are otherwise unused by the standard
  1597. SiByte Linux port. Seems to give a small performance benefit.
  1598. config CPU_HAS_PREFETCH
  1599. bool
  1600. choice
  1601. prompt "MIPS MT options"
  1602. config MIPS_MT_DISABLED
  1603. bool "Disable multithreading support."
  1604. help
  1605. Use this option if your workload can't take advantage of
  1606. MIPS hardware multithreading support. On systems that don't have
  1607. the option of an MT-enabled processor this option will be the only
  1608. option in this menu.
  1609. config MIPS_MT_SMP
  1610. bool "Use 1 TC on each available VPE for SMP"
  1611. depends on SYS_SUPPORTS_MULTITHREADING
  1612. select CPU_MIPSR2_IRQ_VI
  1613. select CPU_MIPSR2_IRQ_EI
  1614. select MIPS_MT
  1615. select NR_CPUS_DEFAULT_2
  1616. select SMP
  1617. select SYS_SUPPORTS_SCHED_SMT if SMP
  1618. select SYS_SUPPORTS_SMP
  1619. select SMP_UP
  1620. help
  1621. This is a kernel model which is known a VSMP but lately has been
  1622. marketesed into SMVP.
  1623. Virtual SMP uses the processor's VPEs to implement virtual
  1624. processors. In currently available configuration of the 34K processor
  1625. this allows for a dual processor. Both processors will share the same
  1626. primary caches; each will obtain the half of the TLB for it's own
  1627. exclusive use. For a layman this model can be described as similar to
  1628. what Intel calls Hyperthreading.
  1629. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1630. config MIPS_MT_SMTC
  1631. bool "SMTC: Use all TCs on all VPEs for SMP"
  1632. depends on CPU_MIPS32_R2
  1633. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1634. depends on SYS_SUPPORTS_MULTITHREADING
  1635. select CPU_MIPSR2_IRQ_VI
  1636. select CPU_MIPSR2_IRQ_EI
  1637. select MIPS_MT
  1638. select NR_CPUS_DEFAULT_8
  1639. select SMP
  1640. select SYS_SUPPORTS_SMP
  1641. select SMP_UP
  1642. help
  1643. This is a kernel model which is known a SMTC or lately has been
  1644. marketesed into SMVP.
  1645. is presenting the available TC's of the core as processors to Linux.
  1646. On currently available 34K processors this means a Linux system will
  1647. see up to 5 processors. The implementation of the SMTC kernel differs
  1648. significantly from VSMP and cannot efficiently coexist in the same
  1649. kernel binary so the choice between VSMP and SMTC is a compile time
  1650. decision.
  1651. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1652. endchoice
  1653. config MIPS_MT
  1654. bool
  1655. config SCHED_SMT
  1656. bool "SMT (multithreading) scheduler support"
  1657. depends on SYS_SUPPORTS_SCHED_SMT
  1658. default n
  1659. help
  1660. SMT scheduler support improves the CPU scheduler's decision making
  1661. when dealing with MIPS MT enabled cores at a cost of slightly
  1662. increased overhead in some places. If unsure say N here.
  1663. config SYS_SUPPORTS_SCHED_SMT
  1664. bool
  1665. config SYS_SUPPORTS_MULTITHREADING
  1666. bool
  1667. config MIPS_MT_FPAFF
  1668. bool "Dynamic FPU affinity for FP-intensive threads"
  1669. default y
  1670. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1671. config MIPS_VPE_LOADER
  1672. bool "VPE loader support."
  1673. depends on SYS_SUPPORTS_MULTITHREADING
  1674. select CPU_MIPSR2_IRQ_VI
  1675. select CPU_MIPSR2_IRQ_EI
  1676. select MIPS_MT
  1677. help
  1678. Includes a loader for loading an elf relocatable object
  1679. onto another VPE and running it.
  1680. config MIPS_MT_SMTC_IM_BACKSTOP
  1681. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1682. depends on MIPS_MT_SMTC
  1683. default n
  1684. help
  1685. To support multiple TC microthreads acting as "CPUs" within
  1686. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1687. during interrupt handling. To support legacy drivers and interrupt
  1688. controller management code, SMTC has a "backstop" to track and
  1689. if necessary restore the interrupt mask. This has some performance
  1690. impact on interrupt service overhead.
  1691. config MIPS_MT_SMTC_IRQAFF
  1692. bool "Support IRQ affinity API"
  1693. depends on MIPS_MT_SMTC
  1694. default n
  1695. help
  1696. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1697. for SMTC Linux kernel. Requires platform support, of which
  1698. an example can be found in the MIPS kernel i8259 and Malta
  1699. platform code. Adds some overhead to interrupt dispatch, and
  1700. should be used only if you know what you are doing.
  1701. config MIPS_VPE_LOADER_TOM
  1702. bool "Load VPE program into memory hidden from linux"
  1703. depends on MIPS_VPE_LOADER
  1704. default y
  1705. help
  1706. The loader can use memory that is present but has been hidden from
  1707. Linux using the kernel command line option "mem=xxMB". It's up to
  1708. you to ensure the amount you put in the option and the space your
  1709. program requires is less or equal to the amount physically present.
  1710. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1711. config MIPS_VPE_APSP_API
  1712. bool "Enable support for AP/SP API (RTLX)"
  1713. depends on MIPS_VPE_LOADER
  1714. help
  1715. config MIPS_APSP_KSPD
  1716. bool "Enable KSPD"
  1717. depends on MIPS_VPE_APSP_API
  1718. default y
  1719. help
  1720. KSPD is a kernel daemon that accepts syscall requests from the SP
  1721. side, actions them and returns the results. It also handles the
  1722. "exit" syscall notifying other kernel modules the SP program is
  1723. exiting. You probably want to say yes here.
  1724. config MIPS_CMP
  1725. bool "MIPS CMP framework support"
  1726. depends on SYS_SUPPORTS_MIPS_CMP
  1727. select SYNC_R4K
  1728. select SYS_SUPPORTS_SMP
  1729. select SYS_SUPPORTS_SCHED_SMT if SMP
  1730. select WEAK_ORDERING
  1731. default n
  1732. help
  1733. This is a placeholder option for the GCMP work. It will need to
  1734. be handled differently...
  1735. config SB1_PASS_1_WORKAROUNDS
  1736. bool
  1737. depends on CPU_SB1_PASS_1
  1738. default y
  1739. config SB1_PASS_2_WORKAROUNDS
  1740. bool
  1741. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1742. default y
  1743. config SB1_PASS_2_1_WORKAROUNDS
  1744. bool
  1745. depends on CPU_SB1 && CPU_SB1_PASS_2
  1746. default y
  1747. config 64BIT_PHYS_ADDR
  1748. bool
  1749. config ARCH_PHYS_ADDR_T_64BIT
  1750. def_bool 64BIT_PHYS_ADDR
  1751. config CPU_HAS_SMARTMIPS
  1752. depends on SYS_SUPPORTS_SMARTMIPS
  1753. bool "Support for the SmartMIPS ASE"
  1754. help
  1755. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1756. increased security at both hardware and software level for
  1757. smartcards. Enabling this option will allow proper use of the
  1758. SmartMIPS instructions by Linux applications. However a kernel with
  1759. this option will not work on a MIPS core without SmartMIPS core. If
  1760. you don't know you probably don't have SmartMIPS and should say N
  1761. here.
  1762. config CPU_HAS_WB
  1763. bool
  1764. config XKS01
  1765. bool
  1766. #
  1767. # Vectored interrupt mode is an R2 feature
  1768. #
  1769. config CPU_MIPSR2_IRQ_VI
  1770. bool
  1771. #
  1772. # Extended interrupt mode is an R2 feature
  1773. #
  1774. config CPU_MIPSR2_IRQ_EI
  1775. bool
  1776. config CPU_HAS_SYNC
  1777. bool
  1778. depends on !CPU_R3000
  1779. default y
  1780. #
  1781. # CPU non-features
  1782. #
  1783. config CPU_DADDI_WORKAROUNDS
  1784. bool
  1785. config CPU_R4000_WORKAROUNDS
  1786. bool
  1787. select CPU_R4400_WORKAROUNDS
  1788. config CPU_R4400_WORKAROUNDS
  1789. bool
  1790. #
  1791. # - Highmem only makes sense for the 32-bit kernel.
  1792. # - The current highmem code will only work properly on physically indexed
  1793. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1794. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1795. # moment we protect the user and offer the highmem option only on machines
  1796. # where it's known to be safe. This will not offer highmem on a few systems
  1797. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1798. # indexed CPUs but we're playing safe.
  1799. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1800. # know they might have memory configurations that could make use of highmem
  1801. # support.
  1802. #
  1803. config HIGHMEM
  1804. bool "High Memory Support"
  1805. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1806. config CPU_SUPPORTS_HIGHMEM
  1807. bool
  1808. config SYS_SUPPORTS_HIGHMEM
  1809. bool
  1810. config SYS_SUPPORTS_SMARTMIPS
  1811. bool
  1812. config ARCH_FLATMEM_ENABLE
  1813. def_bool y
  1814. depends on !NUMA && !CPU_LOONGSON2
  1815. config ARCH_DISCONTIGMEM_ENABLE
  1816. bool
  1817. default y if SGI_IP27
  1818. help
  1819. Say Y to support efficient handling of discontiguous physical memory,
  1820. for architectures which are either NUMA (Non-Uniform Memory Access)
  1821. or have huge holes in the physical address space for other reasons.
  1822. See <file:Documentation/vm/numa> for more.
  1823. config ARCH_SPARSEMEM_ENABLE
  1824. bool
  1825. select SPARSEMEM_STATIC
  1826. config NUMA
  1827. bool "NUMA Support"
  1828. depends on SYS_SUPPORTS_NUMA
  1829. help
  1830. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1831. Access). This option improves performance on systems with more
  1832. than two nodes; on two node systems it is generally better to
  1833. leave it disabled; on single node systems disable this option
  1834. disabled.
  1835. config SYS_SUPPORTS_NUMA
  1836. bool
  1837. config NODES_SHIFT
  1838. int
  1839. default "6"
  1840. depends on NEED_MULTIPLE_NODES
  1841. config HW_PERF_EVENTS
  1842. bool "Enable hardware performance counter support for perf events"
  1843. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1844. default y
  1845. help
  1846. Enable hardware performance counter support for perf events. If
  1847. disabled, perf events will use software events only.
  1848. source "mm/Kconfig"
  1849. config SMP
  1850. bool "Multi-Processing support"
  1851. depends on SYS_SUPPORTS_SMP
  1852. select IRQ_PER_CPU
  1853. select USE_GENERIC_SMP_HELPERS
  1854. help
  1855. This enables support for systems with more than one CPU. If you have
  1856. a system with only one CPU, like most personal computers, say N. If
  1857. you have a system with more than one CPU, say Y.
  1858. If you say N here, the kernel will run on single and multiprocessor
  1859. machines, but will use only one CPU of a multiprocessor machine. If
  1860. you say Y here, the kernel will run on many, but not all,
  1861. singleprocessor machines. On a singleprocessor machine, the kernel
  1862. will run faster if you say N here.
  1863. People using multiprocessor machines who say Y here should also say
  1864. Y to "Enhanced Real Time Clock Support", below.
  1865. See also the SMP-HOWTO available at
  1866. <http://www.tldp.org/docs.html#howto>.
  1867. If you don't know what to do here, say N.
  1868. config SMP_UP
  1869. bool
  1870. config SYS_SUPPORTS_MIPS_CMP
  1871. bool
  1872. config SYS_SUPPORTS_SMP
  1873. bool
  1874. config NR_CPUS_DEFAULT_1
  1875. bool
  1876. config NR_CPUS_DEFAULT_2
  1877. bool
  1878. config NR_CPUS_DEFAULT_4
  1879. bool
  1880. config NR_CPUS_DEFAULT_8
  1881. bool
  1882. config NR_CPUS_DEFAULT_16
  1883. bool
  1884. config NR_CPUS_DEFAULT_32
  1885. bool
  1886. config NR_CPUS_DEFAULT_64
  1887. bool
  1888. config NR_CPUS
  1889. int "Maximum number of CPUs (2-64)"
  1890. range 1 64 if NR_CPUS_DEFAULT_1
  1891. depends on SMP
  1892. default "1" if NR_CPUS_DEFAULT_1
  1893. default "2" if NR_CPUS_DEFAULT_2
  1894. default "4" if NR_CPUS_DEFAULT_4
  1895. default "8" if NR_CPUS_DEFAULT_8
  1896. default "16" if NR_CPUS_DEFAULT_16
  1897. default "32" if NR_CPUS_DEFAULT_32
  1898. default "64" if NR_CPUS_DEFAULT_64
  1899. help
  1900. This allows you to specify the maximum number of CPUs which this
  1901. kernel will support. The maximum supported value is 32 for 32-bit
  1902. kernel and 64 for 64-bit kernels; the minimum value which makes
  1903. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1904. and 2 for all others.
  1905. This is purely to save memory - each supported CPU adds
  1906. approximately eight kilobytes to the kernel image. For best
  1907. performance should round up your number of processors to the next
  1908. power of two.
  1909. #
  1910. # Timer Interrupt Frequency Configuration
  1911. #
  1912. choice
  1913. prompt "Timer frequency"
  1914. default HZ_250
  1915. help
  1916. Allows the configuration of the timer frequency.
  1917. config HZ_48
  1918. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1919. config HZ_100
  1920. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1921. config HZ_128
  1922. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1923. config HZ_250
  1924. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1925. config HZ_256
  1926. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1927. config HZ_1000
  1928. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1929. config HZ_1024
  1930. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1931. endchoice
  1932. config SYS_SUPPORTS_48HZ
  1933. bool
  1934. config SYS_SUPPORTS_100HZ
  1935. bool
  1936. config SYS_SUPPORTS_128HZ
  1937. bool
  1938. config SYS_SUPPORTS_250HZ
  1939. bool
  1940. config SYS_SUPPORTS_256HZ
  1941. bool
  1942. config SYS_SUPPORTS_1000HZ
  1943. bool
  1944. config SYS_SUPPORTS_1024HZ
  1945. bool
  1946. config SYS_SUPPORTS_ARBIT_HZ
  1947. bool
  1948. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1949. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1950. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1951. !SYS_SUPPORTS_1024HZ
  1952. config HZ
  1953. int
  1954. default 48 if HZ_48
  1955. default 100 if HZ_100
  1956. default 128 if HZ_128
  1957. default 250 if HZ_250
  1958. default 256 if HZ_256
  1959. default 1000 if HZ_1000
  1960. default 1024 if HZ_1024
  1961. source "kernel/Kconfig.preempt"
  1962. config KEXEC
  1963. bool "Kexec system call (EXPERIMENTAL)"
  1964. depends on EXPERIMENTAL
  1965. help
  1966. kexec is a system call that implements the ability to shutdown your
  1967. current kernel, and to start another kernel. It is like a reboot
  1968. but it is independent of the system firmware. And like a reboot
  1969. you can start any kernel with it, not just Linux.
  1970. The name comes from the similarity to the exec system call.
  1971. It is an ongoing process to be certain the hardware in a machine
  1972. is properly shutdown, so do not be surprised if this code does not
  1973. initially work for you. It may help to enable device hotplugging
  1974. support. As of this writing the exact hardware interface is
  1975. strongly in flux, so no good recommendation can be made.
  1976. config SECCOMP
  1977. bool "Enable seccomp to safely compute untrusted bytecode"
  1978. depends on PROC_FS
  1979. default y
  1980. help
  1981. This kernel feature is useful for number crunching applications
  1982. that may need to compute untrusted bytecode during their
  1983. execution. By using pipes or other transports made available to
  1984. the process as file descriptors supporting the read/write
  1985. syscalls, it's possible to isolate those applications in
  1986. their own address space using seccomp. Once seccomp is
  1987. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1988. and the task is only allowed to execute a few safe syscalls
  1989. defined by each seccomp mode.
  1990. If unsure, say Y. Only embedded should say N here.
  1991. config USE_OF
  1992. bool "Flattened Device Tree support"
  1993. select OF
  1994. select OF_EARLY_FLATTREE
  1995. select IRQ_DOMAIN
  1996. help
  1997. Include support for flattened device tree machine descriptions.
  1998. endmenu
  1999. config LOCKDEP_SUPPORT
  2000. bool
  2001. default y
  2002. config STACKTRACE_SUPPORT
  2003. bool
  2004. default y
  2005. source "init/Kconfig"
  2006. source "kernel/Kconfig.freezer"
  2007. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2008. config HW_HAS_EISA
  2009. bool
  2010. config HW_HAS_PCI
  2011. bool
  2012. config PCI
  2013. bool "Support for PCI controller"
  2014. depends on HW_HAS_PCI
  2015. select PCI_DOMAINS
  2016. select GENERIC_PCI_IOMAP
  2017. select NO_GENERIC_PCI_IOPORT_MAP
  2018. help
  2019. Find out whether you have a PCI motherboard. PCI is the name of a
  2020. bus system, i.e. the way the CPU talks to the other stuff inside
  2021. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2022. say Y, otherwise N.
  2023. config PCI_DOMAINS
  2024. bool
  2025. source "drivers/pci/Kconfig"
  2026. #
  2027. # ISA support is now enabled via select. Too many systems still have the one
  2028. # or other ISA chip on the board that users don't know about so don't expect
  2029. # users to choose the right thing ...
  2030. #
  2031. config ISA
  2032. bool
  2033. config EISA
  2034. bool "EISA support"
  2035. depends on HW_HAS_EISA
  2036. select ISA
  2037. select GENERIC_ISA_DMA
  2038. ---help---
  2039. The Extended Industry Standard Architecture (EISA) bus was
  2040. developed as an open alternative to the IBM MicroChannel bus.
  2041. The EISA bus provided some of the features of the IBM MicroChannel
  2042. bus while maintaining backward compatibility with cards made for
  2043. the older ISA bus. The EISA bus saw limited use between 1988 and
  2044. 1995 when it was made obsolete by the PCI bus.
  2045. Say Y here if you are building a kernel for an EISA-based machine.
  2046. Otherwise, say N.
  2047. source "drivers/eisa/Kconfig"
  2048. config TC
  2049. bool "TURBOchannel support"
  2050. depends on MACH_DECSTATION
  2051. help
  2052. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2053. processors. TURBOchannel programming specifications are available
  2054. at:
  2055. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2056. and:
  2057. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2058. Linux driver support status is documented at:
  2059. <http://www.linux-mips.org/wiki/DECstation>
  2060. config MMU
  2061. bool
  2062. default y
  2063. config I8253
  2064. bool
  2065. select CLKSRC_I8253
  2066. select CLKEVT_I8253
  2067. select MIPS_EXTERNAL_TIMER
  2068. config ZONE_DMA32
  2069. bool
  2070. source "drivers/pcmcia/Kconfig"
  2071. source "drivers/pci/hotplug/Kconfig"
  2072. config RAPIDIO
  2073. bool "RapidIO support"
  2074. depends on PCI
  2075. default n
  2076. help
  2077. If you say Y here, the kernel will include drivers and
  2078. infrastructure code to support RapidIO interconnect devices.
  2079. source "drivers/rapidio/Kconfig"
  2080. endmenu
  2081. menu "Executable file formats"
  2082. source "fs/Kconfig.binfmt"
  2083. config TRAD_SIGNALS
  2084. bool
  2085. config MIPS32_COMPAT
  2086. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2087. depends on 64BIT
  2088. help
  2089. Select this option if you want Linux/MIPS 32-bit binary
  2090. compatibility. Since all software available for Linux/MIPS is
  2091. currently 32-bit you should say Y here.
  2092. config COMPAT
  2093. bool
  2094. depends on MIPS32_COMPAT
  2095. select ARCH_WANT_OLD_COMPAT_IPC
  2096. default y
  2097. config SYSVIPC_COMPAT
  2098. bool
  2099. depends on COMPAT && SYSVIPC
  2100. default y
  2101. config MIPS32_O32
  2102. bool "Kernel support for o32 binaries"
  2103. depends on MIPS32_COMPAT
  2104. help
  2105. Select this option if you want to run o32 binaries. These are pure
  2106. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2107. existing binaries are in this format.
  2108. If unsure, say Y.
  2109. config MIPS32_N32
  2110. bool "Kernel support for n32 binaries"
  2111. depends on MIPS32_COMPAT
  2112. help
  2113. Select this option if you want to run n32 binaries. These are
  2114. 64-bit binaries using 32-bit quantities for addressing and certain
  2115. data that would normally be 64-bit. They are used in special
  2116. cases.
  2117. If unsure, say N.
  2118. config BINFMT_ELF32
  2119. bool
  2120. default y if MIPS32_O32 || MIPS32_N32
  2121. endmenu
  2122. menu "Power management options"
  2123. config ARCH_HIBERNATION_POSSIBLE
  2124. def_bool y
  2125. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2126. config ARCH_SUSPEND_POSSIBLE
  2127. def_bool y
  2128. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2129. source "kernel/power/Kconfig"
  2130. endmenu
  2131. source "arch/mips/kernel/cpufreq/Kconfig"
  2132. source "net/Kconfig"
  2133. source "drivers/Kconfig"
  2134. source "fs/Kconfig"
  2135. source "arch/mips/Kconfig.debug"
  2136. source "security/Kconfig"
  2137. source "crypto/Kconfig"
  2138. source "lib/Kconfig"