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. select USB_ARCH_HAS_OHCI
  47. select USB_ARCH_HAS_EHCI
  48. config AR7
  49. bool "Texas Instruments AR7"
  50. select BOOT_ELF32
  51. select DMA_NONCOHERENT
  52. select CEVT_R4K
  53. select CSRC_R4K
  54. select IRQ_CPU
  55. select NO_EXCEPT_FILL
  56. select SWAP_IO_SPACE
  57. select SYS_HAS_CPU_MIPS32_R1
  58. select SYS_HAS_EARLY_PRINTK
  59. select SYS_SUPPORTS_32BIT_KERNEL
  60. select SYS_SUPPORTS_LITTLE_ENDIAN
  61. select SYS_SUPPORTS_ZBOOT_UART16550
  62. select ARCH_REQUIRE_GPIOLIB
  63. select GCD
  64. select VLYNQ
  65. help
  66. Support for the Texas Instruments AR7 System-on-a-Chip
  67. family: TNETD7100, 7200 and 7300.
  68. config ATH79
  69. bool "Atheros AR71XX/AR724X/AR913X based boards"
  70. select ARCH_REQUIRE_GPIOLIB
  71. select BOOT_RAW
  72. select CEVT_R4K
  73. select CSRC_R4K
  74. select DMA_NONCOHERENT
  75. select IRQ_CPU
  76. select MIPS_MACHINE
  77. select SYS_HAS_CPU_MIPS32_R2
  78. select SYS_HAS_EARLY_PRINTK
  79. select SYS_SUPPORTS_32BIT_KERNEL
  80. select SYS_SUPPORTS_BIG_ENDIAN
  81. help
  82. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  83. config BCM47XX
  84. bool "Broadcom BCM47XX based boards"
  85. select CEVT_R4K
  86. select CSRC_R4K
  87. select DMA_NONCOHERENT
  88. select HW_HAS_PCI
  89. select IRQ_CPU
  90. select SYS_HAS_CPU_MIPS32_R1
  91. select SYS_SUPPORTS_32BIT_KERNEL
  92. select SYS_SUPPORTS_LITTLE_ENDIAN
  93. select SSB
  94. select SSB_DRIVER_MIPS
  95. select SSB_DRIVER_EXTIF
  96. select SSB_EMBEDDED
  97. select SSB_B43_PCI_BRIDGE if PCI
  98. select SSB_PCICORE_HOSTMODE if PCI
  99. select GENERIC_GPIO
  100. select SYS_HAS_EARLY_PRINTK
  101. select CFE
  102. help
  103. Support for BCM47XX based boards
  104. config BCM63XX
  105. bool "Broadcom BCM63XX based boards"
  106. select CEVT_R4K
  107. select CSRC_R4K
  108. select DMA_NONCOHERENT
  109. select IRQ_CPU
  110. select SYS_HAS_CPU_MIPS32_R1
  111. select SYS_SUPPORTS_32BIT_KERNEL
  112. select SYS_SUPPORTS_BIG_ENDIAN
  113. select SYS_HAS_EARLY_PRINTK
  114. select SWAP_IO_SPACE
  115. select ARCH_REQUIRE_GPIOLIB
  116. help
  117. Support for BCM63XX based boards
  118. config MIPS_COBALT
  119. bool "Cobalt Server"
  120. select CEVT_R4K
  121. select CSRC_R4K
  122. select CEVT_GT641XX
  123. select DMA_NONCOHERENT
  124. select HW_HAS_PCI
  125. select I8253
  126. select I8259
  127. select IRQ_CPU
  128. select IRQ_GT641XX
  129. select PCI_GT64XXX_PCI0
  130. select PCI
  131. select SYS_HAS_CPU_NEVADA
  132. select SYS_HAS_EARLY_PRINTK
  133. select SYS_SUPPORTS_32BIT_KERNEL
  134. select SYS_SUPPORTS_64BIT_KERNEL
  135. select SYS_SUPPORTS_LITTLE_ENDIAN
  136. config MACH_DECSTATION
  137. bool "DECstations"
  138. select BOOT_ELF32
  139. select CEVT_DS1287
  140. select CEVT_R4K
  141. select CSRC_IOASIC
  142. select CSRC_R4K
  143. select CPU_DADDI_WORKAROUNDS if 64BIT
  144. select CPU_R4000_WORKAROUNDS if 64BIT
  145. select CPU_R4400_WORKAROUNDS if 64BIT
  146. select DMA_NONCOHERENT
  147. select NO_IOPORT
  148. select IRQ_CPU
  149. select SYS_HAS_CPU_R3000
  150. select SYS_HAS_CPU_R4X00
  151. select SYS_SUPPORTS_32BIT_KERNEL
  152. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  153. select SYS_SUPPORTS_LITTLE_ENDIAN
  154. select SYS_SUPPORTS_128HZ
  155. select SYS_SUPPORTS_256HZ
  156. select SYS_SUPPORTS_1024HZ
  157. help
  158. This enables support for DEC's MIPS based workstations. For details
  159. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  160. DECstation porting pages on <http://decstation.unix-ag.org/>.
  161. If you have one of the following DECstation Models you definitely
  162. want to choose R4xx0 for the CPU Type:
  163. DECstation 5000/50
  164. DECstation 5000/150
  165. DECstation 5000/260
  166. DECsystem 5900/260
  167. otherwise choose R3000.
  168. config MACH_JAZZ
  169. bool "Jazz family of machines"
  170. select ARC
  171. select ARC32
  172. select ARCH_MAY_HAVE_PC_FDC
  173. select CEVT_R4K
  174. select CSRC_R4K
  175. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  176. select GENERIC_ISA_DMA
  177. select HAVE_PCSPKR_PLATFORM
  178. select IRQ_CPU
  179. select I8253
  180. select I8259
  181. select ISA
  182. select SYS_HAS_CPU_R4X00
  183. select SYS_SUPPORTS_32BIT_KERNEL
  184. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  185. select SYS_SUPPORTS_100HZ
  186. help
  187. This a family of machines based on the MIPS R4030 chipset which was
  188. used by several vendors to build RISC/os and Windows NT workstations.
  189. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  190. Olivetti M700-10 workstations.
  191. config MACH_JZ4740
  192. bool "Ingenic JZ4740 based machines"
  193. select SYS_HAS_CPU_MIPS32_R1
  194. select SYS_SUPPORTS_32BIT_KERNEL
  195. select SYS_SUPPORTS_LITTLE_ENDIAN
  196. select DMA_NONCOHERENT
  197. select IRQ_CPU
  198. select GENERIC_GPIO
  199. select ARCH_REQUIRE_GPIOLIB
  200. select SYS_HAS_EARLY_PRINTK
  201. select HAVE_PWM
  202. select HAVE_CLK
  203. select GENERIC_IRQ_CHIP
  204. config LANTIQ
  205. bool "Lantiq based platforms"
  206. select DMA_NONCOHERENT
  207. select IRQ_CPU
  208. select CEVT_R4K
  209. select CSRC_R4K
  210. select SYS_HAS_CPU_MIPS32_R1
  211. select SYS_HAS_CPU_MIPS32_R2
  212. select SYS_SUPPORTS_BIG_ENDIAN
  213. select SYS_SUPPORTS_32BIT_KERNEL
  214. select SYS_SUPPORTS_MULTITHREADING
  215. select SYS_HAS_EARLY_PRINTK
  216. select ARCH_REQUIRE_GPIOLIB
  217. select SWAP_IO_SPACE
  218. select BOOT_RAW
  219. select HAVE_CLK
  220. select MIPS_MACHINE
  221. config LASAT
  222. bool "LASAT Networks platforms"
  223. select CEVT_R4K
  224. select CSRC_R4K
  225. select DMA_NONCOHERENT
  226. select SYS_HAS_EARLY_PRINTK
  227. select HW_HAS_PCI
  228. select IRQ_CPU
  229. select PCI_GT64XXX_PCI0
  230. select MIPS_NILE4
  231. select R5000_CPU_SCACHE
  232. select SYS_HAS_CPU_R5000
  233. select SYS_SUPPORTS_32BIT_KERNEL
  234. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  235. select SYS_SUPPORTS_LITTLE_ENDIAN
  236. config MACH_LOONGSON
  237. bool "Loongson family of machines"
  238. select SYS_SUPPORTS_ZBOOT
  239. help
  240. This enables the support of Loongson family of machines.
  241. Loongson is a family of general-purpose MIPS-compatible CPUs.
  242. developed at Institute of Computing Technology (ICT),
  243. Chinese Academy of Sciences (CAS) in the People's Republic
  244. of China. The chief architect is Professor Weiwu Hu.
  245. config MIPS_MALTA
  246. bool "MIPS Malta board"
  247. select ARCH_MAY_HAVE_PC_FDC
  248. select BOOT_ELF32
  249. select BOOT_RAW
  250. select CEVT_R4K
  251. select CSRC_R4K
  252. select DMA_NONCOHERENT
  253. select GENERIC_ISA_DMA
  254. select HAVE_PCSPKR_PLATFORM
  255. select IRQ_CPU
  256. select IRQ_GIC
  257. select HW_HAS_PCI
  258. select I8253
  259. select I8259
  260. select MIPS_BOARDS_GEN
  261. select MIPS_BONITO64
  262. select MIPS_CPU_SCACHE
  263. select PCI_GT64XXX_PCI0
  264. select MIPS_MSC
  265. select SWAP_IO_SPACE
  266. select SYS_HAS_CPU_MIPS32_R1
  267. select SYS_HAS_CPU_MIPS32_R2
  268. select SYS_HAS_CPU_MIPS64_R1
  269. select SYS_HAS_CPU_NEVADA
  270. select SYS_HAS_CPU_RM7000
  271. select SYS_HAS_EARLY_PRINTK
  272. select SYS_SUPPORTS_32BIT_KERNEL
  273. select SYS_SUPPORTS_64BIT_KERNEL
  274. select SYS_SUPPORTS_BIG_ENDIAN
  275. select SYS_SUPPORTS_LITTLE_ENDIAN
  276. select SYS_SUPPORTS_MIPS_CMP
  277. select SYS_SUPPORTS_MULTITHREADING
  278. select SYS_SUPPORTS_SMARTMIPS
  279. select SYS_SUPPORTS_ZBOOT
  280. help
  281. This enables support for the MIPS Technologies Malta evaluation
  282. board.
  283. config MIPS_SIM
  284. bool 'MIPS simulator (MIPSsim)'
  285. select CEVT_R4K
  286. select CSRC_R4K
  287. select DMA_NONCOHERENT
  288. select SYS_HAS_EARLY_PRINTK
  289. select IRQ_CPU
  290. select BOOT_RAW
  291. select SYS_HAS_CPU_MIPS32_R1
  292. select SYS_HAS_CPU_MIPS32_R2
  293. select SYS_HAS_EARLY_PRINTK
  294. select SYS_SUPPORTS_32BIT_KERNEL
  295. select SYS_SUPPORTS_BIG_ENDIAN
  296. select SYS_SUPPORTS_MULTITHREADING
  297. select SYS_SUPPORTS_LITTLE_ENDIAN
  298. help
  299. This option enables support for MIPS Technologies MIPSsim software
  300. emulator.
  301. config NEC_MARKEINS
  302. bool "NEC EMMA2RH Mark-eins board"
  303. select SOC_EMMA2RH
  304. select HW_HAS_PCI
  305. help
  306. This enables support for the NEC Electronics Mark-eins boards.
  307. config MACH_VR41XX
  308. bool "NEC VR4100 series based machines"
  309. select CEVT_R4K
  310. select CSRC_R4K
  311. select SYS_HAS_CPU_VR41XX
  312. select ARCH_REQUIRE_GPIOLIB
  313. config NXP_STB220
  314. bool "NXP STB220 board"
  315. select SOC_PNX833X
  316. help
  317. Support for NXP Semiconductors STB220 Development Board.
  318. config NXP_STB225
  319. bool "NXP 225 board"
  320. select SOC_PNX833X
  321. select SOC_PNX8335
  322. help
  323. Support for NXP Semiconductors STB225 Development Board.
  324. config PNX8550_JBS
  325. bool "NXP PNX8550 based JBS board"
  326. select PNX8550
  327. select SYS_SUPPORTS_LITTLE_ENDIAN
  328. config PNX8550_STB810
  329. bool "NXP PNX8550 based STB810 board"
  330. select PNX8550
  331. select SYS_SUPPORTS_LITTLE_ENDIAN
  332. config PMC_MSP
  333. bool "PMC-Sierra MSP chipsets"
  334. depends on EXPERIMENTAL
  335. select CEVT_R4K
  336. select CSRC_R4K
  337. select DMA_NONCOHERENT
  338. select SWAP_IO_SPACE
  339. select NO_EXCEPT_FILL
  340. select BOOT_RAW
  341. select SYS_HAS_CPU_MIPS32_R1
  342. select SYS_HAS_CPU_MIPS32_R2
  343. select SYS_SUPPORTS_32BIT_KERNEL
  344. select SYS_SUPPORTS_BIG_ENDIAN
  345. select IRQ_CPU
  346. select SERIAL_8250
  347. select SERIAL_8250_CONSOLE
  348. help
  349. This adds support for the PMC-Sierra family of Multi-Service
  350. Processor System-On-A-Chips. These parts include a number
  351. of integrated peripherals, interfaces and DSPs in addition to
  352. a variety of MIPS cores.
  353. config PMC_YOSEMITE
  354. bool "PMC-Sierra Yosemite eval board"
  355. select CEVT_R4K
  356. select CSRC_R4K
  357. select DMA_COHERENT
  358. select HW_HAS_PCI
  359. select IRQ_CPU
  360. select IRQ_CPU_RM7K
  361. select IRQ_CPU_RM9K
  362. select SWAP_IO_SPACE
  363. select SYS_HAS_CPU_RM9000
  364. select SYS_HAS_EARLY_PRINTK
  365. select SYS_SUPPORTS_32BIT_KERNEL
  366. select SYS_SUPPORTS_64BIT_KERNEL
  367. select SYS_SUPPORTS_BIG_ENDIAN
  368. select SYS_SUPPORTS_HIGHMEM
  369. select SYS_SUPPORTS_SMP
  370. help
  371. Yosemite is an evaluation board for the RM9000x2 processor
  372. manufactured by PMC-Sierra.
  373. config POWERTV
  374. bool "Cisco PowerTV"
  375. select BOOT_ELF32
  376. select CEVT_R4K
  377. select CPU_MIPSR2_IRQ_VI
  378. select CPU_MIPSR2_IRQ_EI
  379. select CSRC_POWERTV
  380. select DMA_NONCOHERENT
  381. select HW_HAS_PCI
  382. select SYS_HAS_EARLY_PRINTK
  383. select SYS_HAS_CPU_MIPS32_R2
  384. select SYS_SUPPORTS_32BIT_KERNEL
  385. select SYS_SUPPORTS_BIG_ENDIAN
  386. select SYS_SUPPORTS_HIGHMEM
  387. select USB_OHCI_LITTLE_ENDIAN
  388. help
  389. This enables support for the Cisco PowerTV Platform.
  390. config SGI_IP22
  391. bool "SGI IP22 (Indy/Indigo2)"
  392. select ARC
  393. select ARC32
  394. select BOOT_ELF32
  395. select CEVT_R4K
  396. select CSRC_R4K
  397. select DEFAULT_SGI_PARTITION
  398. select DMA_NONCOHERENT
  399. select HW_HAS_EISA
  400. select I8253
  401. select I8259
  402. select IP22_CPU_SCACHE
  403. select IRQ_CPU
  404. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  405. select SGI_HAS_I8042
  406. select SGI_HAS_INDYDOG
  407. select SGI_HAS_HAL2
  408. select SGI_HAS_SEEQ
  409. select SGI_HAS_WD93
  410. select SGI_HAS_ZILOG
  411. select SWAP_IO_SPACE
  412. select SYS_HAS_CPU_R4X00
  413. select SYS_HAS_CPU_R5000
  414. #
  415. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  416. # memory during early boot on some machines.
  417. #
  418. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  419. # for a more details discussion
  420. #
  421. # select SYS_HAS_EARLY_PRINTK
  422. select SYS_SUPPORTS_32BIT_KERNEL
  423. select SYS_SUPPORTS_64BIT_KERNEL
  424. select SYS_SUPPORTS_BIG_ENDIAN
  425. help
  426. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  427. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  428. that runs on these, say Y here.
  429. config SGI_IP27
  430. bool "SGI IP27 (Origin200/2000)"
  431. select ARC
  432. select ARC64
  433. select BOOT_ELF64
  434. select DEFAULT_SGI_PARTITION
  435. select DMA_COHERENT
  436. select SYS_HAS_EARLY_PRINTK
  437. select HW_HAS_PCI
  438. select NR_CPUS_DEFAULT_64
  439. select SYS_HAS_CPU_R10000
  440. select SYS_SUPPORTS_64BIT_KERNEL
  441. select SYS_SUPPORTS_BIG_ENDIAN
  442. select SYS_SUPPORTS_NUMA
  443. select SYS_SUPPORTS_SMP
  444. help
  445. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  446. workstations. To compile a Linux kernel that runs on these, say Y
  447. here.
  448. config SGI_IP28
  449. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  450. depends on EXPERIMENTAL
  451. select ARC
  452. select ARC64
  453. select BOOT_ELF64
  454. select CEVT_R4K
  455. select CSRC_R4K
  456. select DEFAULT_SGI_PARTITION
  457. select DMA_NONCOHERENT
  458. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  459. select IRQ_CPU
  460. select HW_HAS_EISA
  461. select I8253
  462. select I8259
  463. select SGI_HAS_I8042
  464. select SGI_HAS_INDYDOG
  465. select SGI_HAS_HAL2
  466. select SGI_HAS_SEEQ
  467. select SGI_HAS_WD93
  468. select SGI_HAS_ZILOG
  469. select SWAP_IO_SPACE
  470. select SYS_HAS_CPU_R10000
  471. #
  472. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  473. # memory during early boot on some machines.
  474. #
  475. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  476. # for a more details discussion
  477. #
  478. # select SYS_HAS_EARLY_PRINTK
  479. select SYS_SUPPORTS_64BIT_KERNEL
  480. select SYS_SUPPORTS_BIG_ENDIAN
  481. help
  482. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  483. kernel that runs on these, say Y here.
  484. config SGI_IP32
  485. bool "SGI IP32 (O2)"
  486. select ARC
  487. select ARC32
  488. select BOOT_ELF32
  489. select CEVT_R4K
  490. select CSRC_R4K
  491. select DMA_NONCOHERENT
  492. select HW_HAS_PCI
  493. select IRQ_CPU
  494. select R5000_CPU_SCACHE
  495. select RM7000_CPU_SCACHE
  496. select SYS_HAS_CPU_R5000
  497. select SYS_HAS_CPU_R10000 if BROKEN
  498. select SYS_HAS_CPU_RM7000
  499. select SYS_HAS_CPU_NEVADA
  500. select SYS_SUPPORTS_64BIT_KERNEL
  501. select SYS_SUPPORTS_BIG_ENDIAN
  502. help
  503. If you want this kernel to run on SGI O2 workstation, say Y here.
  504. config SIBYTE_CRHINE
  505. bool "Sibyte BCM91120C-CRhine"
  506. depends on EXPERIMENTAL
  507. select BOOT_ELF32
  508. select DMA_COHERENT
  509. select SIBYTE_BCM1120
  510. select SWAP_IO_SPACE
  511. select SYS_HAS_CPU_SB1
  512. select SYS_SUPPORTS_BIG_ENDIAN
  513. select SYS_SUPPORTS_LITTLE_ENDIAN
  514. config SIBYTE_CARMEL
  515. bool "Sibyte BCM91120x-Carmel"
  516. depends on EXPERIMENTAL
  517. select BOOT_ELF32
  518. select DMA_COHERENT
  519. select SIBYTE_BCM1120
  520. select SWAP_IO_SPACE
  521. select SYS_HAS_CPU_SB1
  522. select SYS_SUPPORTS_BIG_ENDIAN
  523. select SYS_SUPPORTS_LITTLE_ENDIAN
  524. config SIBYTE_CRHONE
  525. bool "Sibyte BCM91125C-CRhone"
  526. depends on EXPERIMENTAL
  527. select BOOT_ELF32
  528. select DMA_COHERENT
  529. select SIBYTE_BCM1125
  530. select SWAP_IO_SPACE
  531. select SYS_HAS_CPU_SB1
  532. select SYS_SUPPORTS_BIG_ENDIAN
  533. select SYS_SUPPORTS_HIGHMEM
  534. select SYS_SUPPORTS_LITTLE_ENDIAN
  535. config SIBYTE_RHONE
  536. bool "Sibyte BCM91125E-Rhone"
  537. depends on EXPERIMENTAL
  538. select BOOT_ELF32
  539. select DMA_COHERENT
  540. select SIBYTE_BCM1125H
  541. select SWAP_IO_SPACE
  542. select SYS_HAS_CPU_SB1
  543. select SYS_SUPPORTS_BIG_ENDIAN
  544. select SYS_SUPPORTS_LITTLE_ENDIAN
  545. config SIBYTE_SWARM
  546. bool "Sibyte BCM91250A-SWARM"
  547. select BOOT_ELF32
  548. select DMA_COHERENT
  549. select HAVE_PATA_PLATFORM
  550. select NR_CPUS_DEFAULT_2
  551. select SIBYTE_SB1250
  552. select SWAP_IO_SPACE
  553. select SYS_HAS_CPU_SB1
  554. select SYS_SUPPORTS_BIG_ENDIAN
  555. select SYS_SUPPORTS_HIGHMEM
  556. select SYS_SUPPORTS_LITTLE_ENDIAN
  557. select ZONE_DMA32 if 64BIT
  558. config SIBYTE_LITTLESUR
  559. bool "Sibyte BCM91250C2-LittleSur"
  560. depends on EXPERIMENTAL
  561. select BOOT_ELF32
  562. select DMA_COHERENT
  563. select HAVE_PATA_PLATFORM
  564. select NR_CPUS_DEFAULT_2
  565. select SIBYTE_SB1250
  566. select SWAP_IO_SPACE
  567. select SYS_HAS_CPU_SB1
  568. select SYS_SUPPORTS_BIG_ENDIAN
  569. select SYS_SUPPORTS_HIGHMEM
  570. select SYS_SUPPORTS_LITTLE_ENDIAN
  571. config SIBYTE_SENTOSA
  572. bool "Sibyte BCM91250E-Sentosa"
  573. depends on EXPERIMENTAL
  574. select BOOT_ELF32
  575. select DMA_COHERENT
  576. select NR_CPUS_DEFAULT_2
  577. select SIBYTE_SB1250
  578. select SWAP_IO_SPACE
  579. select SYS_HAS_CPU_SB1
  580. select SYS_SUPPORTS_BIG_ENDIAN
  581. select SYS_SUPPORTS_LITTLE_ENDIAN
  582. config SIBYTE_BIGSUR
  583. bool "Sibyte BCM91480B-BigSur"
  584. select BOOT_ELF32
  585. select DMA_COHERENT
  586. select NR_CPUS_DEFAULT_4
  587. select SIBYTE_BCM1x80
  588. select SWAP_IO_SPACE
  589. select SYS_HAS_CPU_SB1
  590. select SYS_SUPPORTS_BIG_ENDIAN
  591. select SYS_SUPPORTS_HIGHMEM
  592. select SYS_SUPPORTS_LITTLE_ENDIAN
  593. select ZONE_DMA32 if 64BIT
  594. config SNI_RM
  595. bool "SNI RM200/300/400"
  596. select ARC if CPU_LITTLE_ENDIAN
  597. select ARC32 if CPU_LITTLE_ENDIAN
  598. select SNIPROM if CPU_BIG_ENDIAN
  599. select ARCH_MAY_HAVE_PC_FDC
  600. select BOOT_ELF32
  601. select CEVT_R4K
  602. select CSRC_R4K
  603. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  604. select DMA_NONCOHERENT
  605. select GENERIC_ISA_DMA
  606. select HAVE_PCSPKR_PLATFORM
  607. select HW_HAS_EISA
  608. select HW_HAS_PCI
  609. select IRQ_CPU
  610. select I8253
  611. select I8259
  612. select ISA
  613. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  614. select SYS_HAS_CPU_R4X00
  615. select SYS_HAS_CPU_R5000
  616. select SYS_HAS_CPU_R10000
  617. select R5000_CPU_SCACHE
  618. select SYS_HAS_EARLY_PRINTK
  619. select SYS_SUPPORTS_32BIT_KERNEL
  620. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  621. select SYS_SUPPORTS_BIG_ENDIAN
  622. select SYS_SUPPORTS_HIGHMEM
  623. select SYS_SUPPORTS_LITTLE_ENDIAN
  624. help
  625. The SNI RM200/300/400 are MIPS-based machines manufactured by
  626. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  627. Technology and now in turn merged with Fujitsu. Say Y here to
  628. support this machine type.
  629. config MACH_TX39XX
  630. bool "Toshiba TX39 series based machines"
  631. config MACH_TX49XX
  632. bool "Toshiba TX49 series based machines"
  633. config MIKROTIK_RB532
  634. bool "Mikrotik RB532 boards"
  635. select CEVT_R4K
  636. select CSRC_R4K
  637. select DMA_NONCOHERENT
  638. select HW_HAS_PCI
  639. select IRQ_CPU
  640. select SYS_HAS_CPU_MIPS32_R1
  641. select SYS_SUPPORTS_32BIT_KERNEL
  642. select SYS_SUPPORTS_LITTLE_ENDIAN
  643. select SWAP_IO_SPACE
  644. select BOOT_RAW
  645. select ARCH_REQUIRE_GPIOLIB
  646. help
  647. Support the Mikrotik(tm) RouterBoard 532 series,
  648. based on the IDT RC32434 SoC.
  649. config WR_PPMC
  650. bool "Wind River PPMC board"
  651. select CEVT_R4K
  652. select CSRC_R4K
  653. select IRQ_CPU
  654. select BOOT_ELF32
  655. select DMA_NONCOHERENT
  656. select HW_HAS_PCI
  657. select PCI_GT64XXX_PCI0
  658. select SWAP_IO_SPACE
  659. select SYS_HAS_CPU_MIPS32_R1
  660. select SYS_HAS_CPU_MIPS32_R2
  661. select SYS_HAS_CPU_MIPS64_R1
  662. select SYS_HAS_CPU_NEVADA
  663. select SYS_HAS_CPU_RM7000
  664. select SYS_SUPPORTS_32BIT_KERNEL
  665. select SYS_SUPPORTS_64BIT_KERNEL
  666. select SYS_SUPPORTS_BIG_ENDIAN
  667. select SYS_SUPPORTS_LITTLE_ENDIAN
  668. help
  669. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  670. board, which is based on GT64120 bridge chip.
  671. config CAVIUM_OCTEON_SIMULATOR
  672. bool "Cavium Networks Octeon Simulator"
  673. select CEVT_R4K
  674. select 64BIT_PHYS_ADDR
  675. select DMA_COHERENT
  676. select SYS_SUPPORTS_64BIT_KERNEL
  677. select SYS_SUPPORTS_BIG_ENDIAN
  678. select SYS_SUPPORTS_HIGHMEM
  679. select SYS_SUPPORTS_HOTPLUG_CPU
  680. select SYS_HAS_CPU_CAVIUM_OCTEON
  681. select HOLES_IN_ZONE
  682. help
  683. The Octeon simulator is software performance model of the Cavium
  684. Octeon Processor. It supports simulating Octeon processors on x86
  685. hardware.
  686. config CAVIUM_OCTEON_REFERENCE_BOARD
  687. bool "Cavium Networks Octeon reference board"
  688. select CEVT_R4K
  689. select 64BIT_PHYS_ADDR
  690. select DMA_COHERENT
  691. select SYS_SUPPORTS_64BIT_KERNEL
  692. select SYS_SUPPORTS_BIG_ENDIAN
  693. select SYS_SUPPORTS_HIGHMEM
  694. select SYS_SUPPORTS_HOTPLUG_CPU
  695. select SYS_HAS_EARLY_PRINTK
  696. select SYS_HAS_CPU_CAVIUM_OCTEON
  697. select SWAP_IO_SPACE
  698. select HW_HAS_PCI
  699. select ARCH_SUPPORTS_MSI
  700. select ZONE_DMA32
  701. select USB_ARCH_HAS_OHCI
  702. select USB_ARCH_HAS_EHCI
  703. select HOLES_IN_ZONE
  704. help
  705. This option supports all of the Octeon reference boards from Cavium
  706. Networks. It builds a kernel that dynamically determines the Octeon
  707. CPU type and supports all known board reference implementations.
  708. Some of the supported boards are:
  709. EBT3000
  710. EBH3000
  711. EBH3100
  712. Thunder
  713. Kodama
  714. Hikari
  715. Say Y here for most Octeon reference boards.
  716. config NLM_XLR_BOARD
  717. bool "Netlogic XLR/XLS based systems"
  718. depends on EXPERIMENTAL
  719. select BOOT_ELF32
  720. select NLM_COMMON
  721. select NLM_XLR
  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 ZONE_DMA if 64BIT
  737. select SYNC_R4K
  738. select SYS_HAS_EARLY_PRINTK
  739. help
  740. Support for systems based on Netlogic XLR and XLS processors.
  741. Say Y here if you have a XLR or XLS based board.
  742. endchoice
  743. source "arch/mips/alchemy/Kconfig"
  744. source "arch/mips/ath79/Kconfig"
  745. source "arch/mips/bcm63xx/Kconfig"
  746. source "arch/mips/jazz/Kconfig"
  747. source "arch/mips/jz4740/Kconfig"
  748. source "arch/mips/lantiq/Kconfig"
  749. source "arch/mips/lasat/Kconfig"
  750. source "arch/mips/pmc-sierra/Kconfig"
  751. source "arch/mips/powertv/Kconfig"
  752. source "arch/mips/sgi-ip27/Kconfig"
  753. source "arch/mips/sibyte/Kconfig"
  754. source "arch/mips/txx9/Kconfig"
  755. source "arch/mips/vr41xx/Kconfig"
  756. source "arch/mips/cavium-octeon/Kconfig"
  757. source "arch/mips/loongson/Kconfig"
  758. source "arch/mips/netlogic/Kconfig"
  759. endmenu
  760. config RWSEM_GENERIC_SPINLOCK
  761. bool
  762. default y
  763. config RWSEM_XCHGADD_ALGORITHM
  764. bool
  765. config ARCH_HAS_ILOG2_U32
  766. bool
  767. default n
  768. config ARCH_HAS_ILOG2_U64
  769. bool
  770. default n
  771. config ARCH_SUPPORTS_OPROFILE
  772. bool
  773. default y if !MIPS_MT_SMTC
  774. config GENERIC_HWEIGHT
  775. bool
  776. default y
  777. config GENERIC_CALIBRATE_DELAY
  778. bool
  779. default y
  780. config GENERIC_CLOCKEVENTS
  781. bool
  782. default y
  783. config GENERIC_CMOS_UPDATE
  784. bool
  785. default y
  786. config SCHED_OMIT_FRAME_POINTER
  787. bool
  788. default y
  789. #
  790. # Select some configuration options automatically based on user selections.
  791. #
  792. config ARC
  793. bool
  794. config ARCH_MAY_HAVE_PC_FDC
  795. bool
  796. config BOOT_RAW
  797. bool
  798. config CEVT_BCM1480
  799. bool
  800. config CEVT_DS1287
  801. bool
  802. config CEVT_GT641XX
  803. bool
  804. config CEVT_R4K_LIB
  805. bool
  806. config CEVT_R4K
  807. select CEVT_R4K_LIB
  808. bool
  809. config CEVT_SB1250
  810. bool
  811. config CEVT_TXX9
  812. bool
  813. config CSRC_BCM1480
  814. bool
  815. config CSRC_IOASIC
  816. bool
  817. config CSRC_POWERTV
  818. bool
  819. config CSRC_R4K_LIB
  820. bool
  821. config CSRC_R4K
  822. select CSRC_R4K_LIB
  823. bool
  824. config CSRC_SB1250
  825. bool
  826. config GPIO_TXX9
  827. select GENERIC_GPIO
  828. select ARCH_REQUIRE_GPIOLIB
  829. bool
  830. config CFE
  831. bool
  832. config ARCH_DMA_ADDR_T_64BIT
  833. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  834. config DMA_COHERENT
  835. bool
  836. config DMA_NONCOHERENT
  837. bool
  838. select NEED_DMA_MAP_STATE
  839. config NEED_DMA_MAP_STATE
  840. bool
  841. config SYS_HAS_EARLY_PRINTK
  842. bool
  843. config HOTPLUG_CPU
  844. bool "Support for hot-pluggable CPUs"
  845. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  846. help
  847. Say Y here to allow turning CPUs off and on. CPUs can be
  848. controlled through /sys/devices/system/cpu.
  849. (Note: power management support will enable this option
  850. automatically on SMP systems. )
  851. Say N if you want to disable CPU hotplug.
  852. config SYS_SUPPORTS_HOTPLUG_CPU
  853. bool
  854. config I8259
  855. bool
  856. config MIPS_BONITO64
  857. bool
  858. config MIPS_MSC
  859. bool
  860. config MIPS_NILE4
  861. bool
  862. config MIPS_DISABLE_OBSOLETE_IDE
  863. bool
  864. config SYNC_R4K
  865. bool
  866. config MIPS_MACHINE
  867. def_bool n
  868. config NO_IOPORT
  869. def_bool n
  870. config GENERIC_ISA_DMA
  871. bool
  872. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  873. select ISA_DMA_API
  874. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  875. bool
  876. select GENERIC_ISA_DMA
  877. config ISA_DMA_API
  878. bool
  879. config GENERIC_GPIO
  880. bool
  881. config HOLES_IN_ZONE
  882. bool
  883. #
  884. # Endianess selection. Sufficiently obscure so many users don't know what to
  885. # answer,so we try hard to limit the available choices. Also the use of a
  886. # choice statement should be more obvious to the user.
  887. #
  888. choice
  889. prompt "Endianess selection"
  890. help
  891. Some MIPS machines can be configured for either little or big endian
  892. byte order. These modes require different kernels and a different
  893. Linux distribution. In general there is one preferred byteorder for a
  894. particular system but some systems are just as commonly used in the
  895. one or the other endianness.
  896. config CPU_BIG_ENDIAN
  897. bool "Big endian"
  898. depends on SYS_SUPPORTS_BIG_ENDIAN
  899. config CPU_LITTLE_ENDIAN
  900. bool "Little endian"
  901. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  902. help
  903. endchoice
  904. config EXPORT_UASM
  905. bool
  906. config SYS_SUPPORTS_APM_EMULATION
  907. bool
  908. config SYS_SUPPORTS_BIG_ENDIAN
  909. bool
  910. config SYS_SUPPORTS_LITTLE_ENDIAN
  911. bool
  912. config SYS_SUPPORTS_HUGETLBFS
  913. bool
  914. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  915. default y
  916. config IRQ_CPU
  917. bool
  918. config IRQ_CPU_RM7K
  919. bool
  920. config IRQ_CPU_RM9K
  921. bool
  922. config IRQ_MSP_SLP
  923. bool
  924. config IRQ_MSP_CIC
  925. bool
  926. config IRQ_TXX9
  927. bool
  928. config IRQ_GT641XX
  929. bool
  930. config IRQ_GIC
  931. bool
  932. config MIPS_BOARDS_GEN
  933. bool
  934. config PCI_GT64XXX_PCI0
  935. bool
  936. config NO_EXCEPT_FILL
  937. bool
  938. config MIPS_RM9122
  939. bool
  940. select SERIAL_RM9000
  941. config SOC_EMMA2RH
  942. bool
  943. select CEVT_R4K
  944. select CSRC_R4K
  945. select DMA_NONCOHERENT
  946. select IRQ_CPU
  947. select SWAP_IO_SPACE
  948. select SYS_HAS_CPU_R5500
  949. select SYS_SUPPORTS_32BIT_KERNEL
  950. select SYS_SUPPORTS_64BIT_KERNEL
  951. select SYS_SUPPORTS_BIG_ENDIAN
  952. config SOC_PNX833X
  953. bool
  954. select CEVT_R4K
  955. select CSRC_R4K
  956. select IRQ_CPU
  957. select DMA_NONCOHERENT
  958. select SYS_HAS_CPU_MIPS32_R2
  959. select SYS_SUPPORTS_32BIT_KERNEL
  960. select SYS_SUPPORTS_LITTLE_ENDIAN
  961. select SYS_SUPPORTS_BIG_ENDIAN
  962. select GENERIC_GPIO
  963. select CPU_MIPSR2_IRQ_VI
  964. config SOC_PNX8335
  965. bool
  966. select SOC_PNX833X
  967. config PNX8550
  968. bool
  969. select SOC_PNX8550
  970. config SOC_PNX8550
  971. bool
  972. select DMA_NONCOHERENT
  973. select HW_HAS_PCI
  974. select SYS_HAS_CPU_MIPS32_R1
  975. select SYS_HAS_EARLY_PRINTK
  976. select SYS_SUPPORTS_32BIT_KERNEL
  977. select GENERIC_GPIO
  978. config SWAP_IO_SPACE
  979. bool
  980. config SERIAL_RM9000
  981. bool
  982. config SGI_HAS_INDYDOG
  983. bool
  984. config SGI_HAS_HAL2
  985. bool
  986. config SGI_HAS_SEEQ
  987. bool
  988. config SGI_HAS_WD93
  989. bool
  990. config SGI_HAS_ZILOG
  991. bool
  992. config SGI_HAS_I8042
  993. bool
  994. config DEFAULT_SGI_PARTITION
  995. bool
  996. config ARC32
  997. bool
  998. config SNIPROM
  999. bool
  1000. config BOOT_ELF32
  1001. bool
  1002. config MIPS_L1_CACHE_SHIFT
  1003. int
  1004. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1005. default "6" if MIPS_CPU_SCACHE
  1006. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1007. default "5"
  1008. config HAVE_STD_PC_SERIAL_PORT
  1009. bool
  1010. config ARC_CONSOLE
  1011. bool "ARC console support"
  1012. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1013. config ARC_MEMORY
  1014. bool
  1015. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1016. default y
  1017. config ARC_PROMLIB
  1018. bool
  1019. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1020. default y
  1021. config ARC64
  1022. bool
  1023. config BOOT_ELF64
  1024. bool
  1025. menu "CPU selection"
  1026. choice
  1027. prompt "CPU type"
  1028. default CPU_R4X00
  1029. config CPU_LOONGSON2E
  1030. bool "Loongson 2E"
  1031. depends on SYS_HAS_CPU_LOONGSON2E
  1032. select CPU_LOONGSON2
  1033. help
  1034. The Loongson 2E processor implements the MIPS III instruction set
  1035. with many extensions.
  1036. It has an internal FPGA northbridge, which is compatible to
  1037. bonito64.
  1038. config CPU_LOONGSON2F
  1039. bool "Loongson 2F"
  1040. depends on SYS_HAS_CPU_LOONGSON2F
  1041. select CPU_LOONGSON2
  1042. select GENERIC_GPIO
  1043. select ARCH_REQUIRE_GPIOLIB
  1044. help
  1045. The Loongson 2F processor implements the MIPS III instruction set
  1046. with many extensions.
  1047. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1048. have a similar programming interface with FPGA northbridge used in
  1049. Loongson2E.
  1050. config CPU_MIPS32_R1
  1051. bool "MIPS32 Release 1"
  1052. depends on SYS_HAS_CPU_MIPS32_R1
  1053. select CPU_HAS_PREFETCH
  1054. select CPU_SUPPORTS_32BIT_KERNEL
  1055. select CPU_SUPPORTS_HIGHMEM
  1056. help
  1057. Choose this option to build a kernel for release 1 or later of the
  1058. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1059. MIPS processor are based on a MIPS32 processor. If you know the
  1060. specific type of processor in your system, choose those that one
  1061. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1062. Release 2 of the MIPS32 architecture is available since several
  1063. years so chances are you even have a MIPS32 Release 2 processor
  1064. in which case you should choose CPU_MIPS32_R2 instead for better
  1065. performance.
  1066. config CPU_MIPS32_R2
  1067. bool "MIPS32 Release 2"
  1068. depends on SYS_HAS_CPU_MIPS32_R2
  1069. select CPU_HAS_PREFETCH
  1070. select CPU_SUPPORTS_32BIT_KERNEL
  1071. select CPU_SUPPORTS_HIGHMEM
  1072. help
  1073. Choose this option to build a kernel for release 2 or later of the
  1074. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1075. MIPS processor are based on a MIPS32 processor. If you know the
  1076. specific type of processor in your system, choose those that one
  1077. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1078. config CPU_MIPS64_R1
  1079. bool "MIPS64 Release 1"
  1080. depends on SYS_HAS_CPU_MIPS64_R1
  1081. select CPU_HAS_PREFETCH
  1082. select CPU_SUPPORTS_32BIT_KERNEL
  1083. select CPU_SUPPORTS_64BIT_KERNEL
  1084. select CPU_SUPPORTS_HIGHMEM
  1085. select CPU_SUPPORTS_HUGEPAGES
  1086. help
  1087. Choose this option to build a kernel for release 1 or later of the
  1088. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1089. MIPS processor are based on a MIPS64 processor. If you know the
  1090. specific type of processor in your system, choose those that one
  1091. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1092. Release 2 of the MIPS64 architecture is available since several
  1093. years so chances are you even have a MIPS64 Release 2 processor
  1094. in which case you should choose CPU_MIPS64_R2 instead for better
  1095. performance.
  1096. config CPU_MIPS64_R2
  1097. bool "MIPS64 Release 2"
  1098. depends on SYS_HAS_CPU_MIPS64_R2
  1099. select CPU_HAS_PREFETCH
  1100. select CPU_SUPPORTS_32BIT_KERNEL
  1101. select CPU_SUPPORTS_64BIT_KERNEL
  1102. select CPU_SUPPORTS_HIGHMEM
  1103. select CPU_SUPPORTS_HUGEPAGES
  1104. help
  1105. Choose this option to build a kernel for release 2 or later of the
  1106. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1107. MIPS processor are based on a MIPS64 processor. If you know the
  1108. specific type of processor in your system, choose those that one
  1109. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1110. config CPU_R3000
  1111. bool "R3000"
  1112. depends on SYS_HAS_CPU_R3000
  1113. select CPU_HAS_WB
  1114. select CPU_SUPPORTS_32BIT_KERNEL
  1115. select CPU_SUPPORTS_HIGHMEM
  1116. help
  1117. Please make sure to pick the right CPU type. Linux/MIPS is not
  1118. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1119. *not* work on R4000 machines and vice versa. However, since most
  1120. of the supported machines have an R4000 (or similar) CPU, R4x00
  1121. might be a safe bet. If the resulting kernel does not work,
  1122. try to recompile with R3000.
  1123. config CPU_TX39XX
  1124. bool "R39XX"
  1125. depends on SYS_HAS_CPU_TX39XX
  1126. select CPU_SUPPORTS_32BIT_KERNEL
  1127. config CPU_VR41XX
  1128. bool "R41xx"
  1129. depends on SYS_HAS_CPU_VR41XX
  1130. select CPU_SUPPORTS_32BIT_KERNEL
  1131. select CPU_SUPPORTS_64BIT_KERNEL
  1132. help
  1133. The options selects support for the NEC VR4100 series of processors.
  1134. Only choose this option if you have one of these processors as a
  1135. kernel built with this option will not run on any other type of
  1136. processor or vice versa.
  1137. config CPU_R4300
  1138. bool "R4300"
  1139. depends on SYS_HAS_CPU_R4300
  1140. select CPU_SUPPORTS_32BIT_KERNEL
  1141. select CPU_SUPPORTS_64BIT_KERNEL
  1142. help
  1143. MIPS Technologies R4300-series processors.
  1144. config CPU_R4X00
  1145. bool "R4x00"
  1146. depends on SYS_HAS_CPU_R4X00
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_64BIT_KERNEL
  1149. help
  1150. MIPS Technologies R4000-series processors other than 4300, including
  1151. the R4000, R4400, R4600, and 4700.
  1152. config CPU_TX49XX
  1153. bool "R49XX"
  1154. depends on SYS_HAS_CPU_TX49XX
  1155. select CPU_HAS_PREFETCH
  1156. select CPU_SUPPORTS_32BIT_KERNEL
  1157. select CPU_SUPPORTS_64BIT_KERNEL
  1158. config CPU_R5000
  1159. bool "R5000"
  1160. depends on SYS_HAS_CPU_R5000
  1161. select CPU_SUPPORTS_32BIT_KERNEL
  1162. select CPU_SUPPORTS_64BIT_KERNEL
  1163. help
  1164. MIPS Technologies R5000-series processors other than the Nevada.
  1165. config CPU_R5432
  1166. bool "R5432"
  1167. depends on SYS_HAS_CPU_R5432
  1168. select CPU_SUPPORTS_32BIT_KERNEL
  1169. select CPU_SUPPORTS_64BIT_KERNEL
  1170. config CPU_R5500
  1171. bool "R5500"
  1172. depends on SYS_HAS_CPU_R5500
  1173. select CPU_SUPPORTS_32BIT_KERNEL
  1174. select CPU_SUPPORTS_64BIT_KERNEL
  1175. select CPU_SUPPORTS_HUGEPAGES
  1176. help
  1177. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1178. instruction set.
  1179. config CPU_R6000
  1180. bool "R6000"
  1181. depends on EXPERIMENTAL
  1182. depends on SYS_HAS_CPU_R6000
  1183. select CPU_SUPPORTS_32BIT_KERNEL
  1184. help
  1185. MIPS Technologies R6000 and R6000A series processors. Note these
  1186. processors are extremely rare and the support for them is incomplete.
  1187. config CPU_NEVADA
  1188. bool "RM52xx"
  1189. depends on SYS_HAS_CPU_NEVADA
  1190. select CPU_SUPPORTS_32BIT_KERNEL
  1191. select CPU_SUPPORTS_64BIT_KERNEL
  1192. help
  1193. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1194. config CPU_R8000
  1195. bool "R8000"
  1196. depends on EXPERIMENTAL
  1197. depends on SYS_HAS_CPU_R8000
  1198. select CPU_HAS_PREFETCH
  1199. select CPU_SUPPORTS_64BIT_KERNEL
  1200. help
  1201. MIPS Technologies R8000 processors. Note these processors are
  1202. uncommon and the support for them is incomplete.
  1203. config CPU_R10000
  1204. bool "R10000"
  1205. depends on SYS_HAS_CPU_R10000
  1206. select CPU_HAS_PREFETCH
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. select CPU_SUPPORTS_HIGHMEM
  1210. help
  1211. MIPS Technologies R10000-series processors.
  1212. config CPU_RM7000
  1213. bool "RM7000"
  1214. depends on SYS_HAS_CPU_RM7000
  1215. select CPU_HAS_PREFETCH
  1216. select CPU_SUPPORTS_32BIT_KERNEL
  1217. select CPU_SUPPORTS_64BIT_KERNEL
  1218. select CPU_SUPPORTS_HIGHMEM
  1219. config CPU_RM9000
  1220. bool "RM9000"
  1221. depends on SYS_HAS_CPU_RM9000
  1222. select CPU_HAS_PREFETCH
  1223. select CPU_SUPPORTS_32BIT_KERNEL
  1224. select CPU_SUPPORTS_64BIT_KERNEL
  1225. select CPU_SUPPORTS_HIGHMEM
  1226. select WEAK_ORDERING
  1227. config CPU_SB1
  1228. bool "SB1"
  1229. depends on SYS_HAS_CPU_SB1
  1230. select CPU_SUPPORTS_32BIT_KERNEL
  1231. select CPU_SUPPORTS_64BIT_KERNEL
  1232. select CPU_SUPPORTS_HIGHMEM
  1233. select WEAK_ORDERING
  1234. config CPU_CAVIUM_OCTEON
  1235. bool "Cavium Octeon processor"
  1236. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1237. select CPU_HAS_PREFETCH
  1238. select CPU_SUPPORTS_64BIT_KERNEL
  1239. select SYS_SUPPORTS_SMP
  1240. select NR_CPUS_DEFAULT_16
  1241. select WEAK_ORDERING
  1242. select CPU_SUPPORTS_HIGHMEM
  1243. select CPU_SUPPORTS_HUGEPAGES
  1244. help
  1245. The Cavium Octeon processor is a highly integrated chip containing
  1246. many ethernet hardware widgets for networking tasks. The processor
  1247. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1248. Full details can be found at http://www.caviumnetworks.com.
  1249. config CPU_BMIPS3300
  1250. bool "BMIPS3300"
  1251. depends on SYS_HAS_CPU_BMIPS3300
  1252. select DMA_NONCOHERENT
  1253. select IRQ_CPU
  1254. select SWAP_IO_SPACE
  1255. select SYS_SUPPORTS_32BIT_KERNEL
  1256. select WEAK_ORDERING
  1257. help
  1258. Broadcom BMIPS3300 processors.
  1259. config CPU_BMIPS4350
  1260. bool "BMIPS4350"
  1261. depends on SYS_HAS_CPU_BMIPS4350
  1262. select CPU_SUPPORTS_32BIT_KERNEL
  1263. select DMA_NONCOHERENT
  1264. select IRQ_CPU
  1265. select SWAP_IO_SPACE
  1266. select SYS_SUPPORTS_SMP
  1267. select SYS_SUPPORTS_HOTPLUG_CPU
  1268. select WEAK_ORDERING
  1269. help
  1270. Broadcom BMIPS4350 ("VIPER") processors.
  1271. config CPU_BMIPS4380
  1272. bool "BMIPS4380"
  1273. depends on SYS_HAS_CPU_BMIPS4380
  1274. select CPU_SUPPORTS_32BIT_KERNEL
  1275. select DMA_NONCOHERENT
  1276. select IRQ_CPU
  1277. select SWAP_IO_SPACE
  1278. select SYS_SUPPORTS_SMP
  1279. select SYS_SUPPORTS_HOTPLUG_CPU
  1280. select WEAK_ORDERING
  1281. help
  1282. Broadcom BMIPS4380 processors.
  1283. config CPU_BMIPS5000
  1284. bool "BMIPS5000"
  1285. depends on SYS_HAS_CPU_BMIPS5000
  1286. select CPU_SUPPORTS_32BIT_KERNEL
  1287. select CPU_SUPPORTS_HIGHMEM
  1288. select DMA_NONCOHERENT
  1289. select IRQ_CPU
  1290. select SWAP_IO_SPACE
  1291. select SYS_SUPPORTS_SMP
  1292. select SYS_SUPPORTS_HOTPLUG_CPU
  1293. select WEAK_ORDERING
  1294. help
  1295. Broadcom BMIPS5000 processors.
  1296. config CPU_XLR
  1297. bool "Netlogic XLR SoC"
  1298. depends on SYS_HAS_CPU_XLR
  1299. select CPU_SUPPORTS_32BIT_KERNEL
  1300. select CPU_SUPPORTS_64BIT_KERNEL
  1301. select CPU_SUPPORTS_HIGHMEM
  1302. select WEAK_ORDERING
  1303. select WEAK_REORDERING_BEYOND_LLSC
  1304. select CPU_SUPPORTS_HUGEPAGES
  1305. help
  1306. Netlogic Microsystems XLR/XLS processors.
  1307. endchoice
  1308. if CPU_LOONGSON2F
  1309. config CPU_NOP_WORKAROUNDS
  1310. bool
  1311. config CPU_JUMP_WORKAROUNDS
  1312. bool
  1313. config CPU_LOONGSON2F_WORKAROUNDS
  1314. bool "Loongson 2F Workarounds"
  1315. default y
  1316. select CPU_NOP_WORKAROUNDS
  1317. select CPU_JUMP_WORKAROUNDS
  1318. help
  1319. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1320. require workarounds. Without workarounds the system may hang
  1321. unexpectedly. For more information please refer to the gas
  1322. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1323. Loongson 2F03 and later have fixed these issues and no workarounds
  1324. are needed. The workarounds have no significant side effect on them
  1325. but may decrease the performance of the system so this option should
  1326. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1327. systems.
  1328. If unsure, please say Y.
  1329. endif # CPU_LOONGSON2F
  1330. config SYS_SUPPORTS_ZBOOT
  1331. bool
  1332. select HAVE_KERNEL_GZIP
  1333. select HAVE_KERNEL_BZIP2
  1334. select HAVE_KERNEL_LZMA
  1335. select HAVE_KERNEL_LZO
  1336. config SYS_SUPPORTS_ZBOOT_UART16550
  1337. bool
  1338. select SYS_SUPPORTS_ZBOOT
  1339. config CPU_LOONGSON2
  1340. bool
  1341. select CPU_SUPPORTS_32BIT_KERNEL
  1342. select CPU_SUPPORTS_64BIT_KERNEL
  1343. select CPU_SUPPORTS_HIGHMEM
  1344. config SYS_HAS_CPU_LOONGSON2E
  1345. bool
  1346. config SYS_HAS_CPU_LOONGSON2F
  1347. bool
  1348. select CPU_SUPPORTS_CPUFREQ
  1349. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1350. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1351. config SYS_HAS_CPU_MIPS32_R1
  1352. bool
  1353. config SYS_HAS_CPU_MIPS32_R2
  1354. bool
  1355. config SYS_HAS_CPU_MIPS64_R1
  1356. bool
  1357. config SYS_HAS_CPU_MIPS64_R2
  1358. bool
  1359. config SYS_HAS_CPU_R3000
  1360. bool
  1361. config SYS_HAS_CPU_TX39XX
  1362. bool
  1363. config SYS_HAS_CPU_VR41XX
  1364. bool
  1365. config SYS_HAS_CPU_R4300
  1366. bool
  1367. config SYS_HAS_CPU_R4X00
  1368. bool
  1369. config SYS_HAS_CPU_TX49XX
  1370. bool
  1371. config SYS_HAS_CPU_R5000
  1372. bool
  1373. config SYS_HAS_CPU_R5432
  1374. bool
  1375. config SYS_HAS_CPU_R5500
  1376. bool
  1377. config SYS_HAS_CPU_R6000
  1378. bool
  1379. config SYS_HAS_CPU_NEVADA
  1380. bool
  1381. config SYS_HAS_CPU_R8000
  1382. bool
  1383. config SYS_HAS_CPU_R10000
  1384. bool
  1385. config SYS_HAS_CPU_RM7000
  1386. bool
  1387. config SYS_HAS_CPU_RM9000
  1388. bool
  1389. config SYS_HAS_CPU_SB1
  1390. bool
  1391. config SYS_HAS_CPU_CAVIUM_OCTEON
  1392. bool
  1393. config SYS_HAS_CPU_BMIPS3300
  1394. bool
  1395. config SYS_HAS_CPU_BMIPS4350
  1396. bool
  1397. config SYS_HAS_CPU_BMIPS4380
  1398. bool
  1399. config SYS_HAS_CPU_BMIPS5000
  1400. bool
  1401. config SYS_HAS_CPU_XLR
  1402. bool
  1403. #
  1404. # CPU may reorder R->R, R->W, W->R, W->W
  1405. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1406. #
  1407. config WEAK_ORDERING
  1408. bool
  1409. #
  1410. # CPU may reorder reads and writes beyond LL/SC
  1411. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1412. #
  1413. config WEAK_REORDERING_BEYOND_LLSC
  1414. bool
  1415. endmenu
  1416. #
  1417. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1418. #
  1419. config CPU_MIPS32
  1420. bool
  1421. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1422. config CPU_MIPS64
  1423. bool
  1424. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1425. #
  1426. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1427. #
  1428. config CPU_MIPSR1
  1429. bool
  1430. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1431. config CPU_MIPSR2
  1432. bool
  1433. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1434. config SYS_SUPPORTS_32BIT_KERNEL
  1435. bool
  1436. config SYS_SUPPORTS_64BIT_KERNEL
  1437. bool
  1438. config CPU_SUPPORTS_32BIT_KERNEL
  1439. bool
  1440. config CPU_SUPPORTS_64BIT_KERNEL
  1441. bool
  1442. config CPU_SUPPORTS_CPUFREQ
  1443. bool
  1444. config CPU_SUPPORTS_ADDRWINCFG
  1445. bool
  1446. config CPU_SUPPORTS_HUGEPAGES
  1447. bool
  1448. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1449. bool
  1450. config MIPS_PGD_C0_CONTEXT
  1451. bool
  1452. default y if 64BIT && CPU_MIPSR2
  1453. #
  1454. # Set to y for ptrace access to watch registers.
  1455. #
  1456. config HARDWARE_WATCHPOINTS
  1457. bool
  1458. default y if CPU_MIPSR1 || CPU_MIPSR2
  1459. menu "Kernel type"
  1460. choice
  1461. prompt "Kernel code model"
  1462. help
  1463. You should only select this option if you have a workload that
  1464. actually benefits from 64-bit processing or if your machine has
  1465. large memory. You will only be presented a single option in this
  1466. menu if your system does not support both 32-bit and 64-bit kernels.
  1467. config 32BIT
  1468. bool "32-bit kernel"
  1469. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1470. select TRAD_SIGNALS
  1471. help
  1472. Select this option if you want to build a 32-bit kernel.
  1473. config 64BIT
  1474. bool "64-bit kernel"
  1475. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1476. select HAVE_SYSCALL_WRAPPERS
  1477. help
  1478. Select this option if you want to build a 64-bit kernel.
  1479. endchoice
  1480. choice
  1481. prompt "Kernel page size"
  1482. default PAGE_SIZE_4KB
  1483. config PAGE_SIZE_4KB
  1484. bool "4kB"
  1485. depends on !CPU_LOONGSON2
  1486. help
  1487. This option select the standard 4kB Linux page size. On some
  1488. R3000-family processors this is the only available page size. Using
  1489. 4kB page size will minimize memory consumption and is therefore
  1490. recommended for low memory systems.
  1491. config PAGE_SIZE_8KB
  1492. bool "8kB"
  1493. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1494. help
  1495. Using 8kB page size will result in higher performance kernel at
  1496. the price of higher memory consumption. This option is available
  1497. only on R8000 and cnMIPS processors. Note that you will need a
  1498. suitable Linux distribution to support this.
  1499. config PAGE_SIZE_16KB
  1500. bool "16kB"
  1501. depends on !CPU_R3000 && !CPU_TX39XX
  1502. help
  1503. Using 16kB page size will result in higher performance kernel at
  1504. the price of higher memory consumption. This option is available on
  1505. all non-R3000 family processors. Note that you will need a suitable
  1506. Linux distribution to support this.
  1507. config PAGE_SIZE_32KB
  1508. bool "32kB"
  1509. depends on CPU_CAVIUM_OCTEON
  1510. help
  1511. Using 32kB page size will result in higher performance kernel at
  1512. the price of higher memory consumption. This option is available
  1513. only on cnMIPS cores. Note that you will need a suitable Linux
  1514. distribution to support this.
  1515. config PAGE_SIZE_64KB
  1516. bool "64kB"
  1517. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1518. help
  1519. Using 64kB page size will result in higher performance kernel at
  1520. the price of higher memory consumption. This option is available on
  1521. all non-R3000 family processor. Not that at the time of this
  1522. writing this option is still high experimental.
  1523. endchoice
  1524. config FORCE_MAX_ZONEORDER
  1525. int "Maximum zone order"
  1526. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1527. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1528. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1529. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1530. range 11 64
  1531. default "11"
  1532. help
  1533. The kernel memory allocator divides physically contiguous memory
  1534. blocks into "zones", where each zone is a power of two number of
  1535. pages. This option selects the largest power of two that the kernel
  1536. keeps in the memory allocator. If you need to allocate very large
  1537. blocks of physically contiguous memory, then you may need to
  1538. increase this value.
  1539. This config option is actually maximum order plus one. For example,
  1540. a value of 11 means that the largest free memory block is 2^10 pages.
  1541. The page size is not necessarily 4KB. Keep this in mind
  1542. when choosing a value for this option.
  1543. config BOARD_SCACHE
  1544. bool
  1545. config IP22_CPU_SCACHE
  1546. bool
  1547. select BOARD_SCACHE
  1548. #
  1549. # Support for a MIPS32 / MIPS64 style S-caches
  1550. #
  1551. config MIPS_CPU_SCACHE
  1552. bool
  1553. select BOARD_SCACHE
  1554. config R5000_CPU_SCACHE
  1555. bool
  1556. select BOARD_SCACHE
  1557. config RM7000_CPU_SCACHE
  1558. bool
  1559. select BOARD_SCACHE
  1560. config SIBYTE_DMA_PAGEOPS
  1561. bool "Use DMA to clear/copy pages"
  1562. depends on CPU_SB1
  1563. help
  1564. Instead of using the CPU to zero and copy pages, use a Data Mover
  1565. channel. These DMA channels are otherwise unused by the standard
  1566. SiByte Linux port. Seems to give a small performance benefit.
  1567. config CPU_HAS_PREFETCH
  1568. bool
  1569. choice
  1570. prompt "MIPS MT options"
  1571. config MIPS_MT_DISABLED
  1572. bool "Disable multithreading support."
  1573. help
  1574. Use this option if your workload can't take advantage of
  1575. MIPS hardware multithreading support. On systems that don't have
  1576. the option of an MT-enabled processor this option will be the only
  1577. option in this menu.
  1578. config MIPS_MT_SMP
  1579. bool "Use 1 TC on each available VPE for SMP"
  1580. depends on SYS_SUPPORTS_MULTITHREADING
  1581. select CPU_MIPSR2_IRQ_VI
  1582. select CPU_MIPSR2_IRQ_EI
  1583. select MIPS_MT
  1584. select NR_CPUS_DEFAULT_2
  1585. select SMP
  1586. select SYS_SUPPORTS_SCHED_SMT if SMP
  1587. select SYS_SUPPORTS_SMP
  1588. select SMP_UP
  1589. help
  1590. This is a kernel model which is known a VSMP but lately has been
  1591. marketesed into SMVP.
  1592. Virtual SMP uses the processor's VPEs to implement virtual
  1593. processors. In currently available configuration of the 34K processor
  1594. this allows for a dual processor. Both processors will share the same
  1595. primary caches; each will obtain the half of the TLB for it's own
  1596. exclusive use. For a layman this model can be described as similar to
  1597. what Intel calls Hyperthreading.
  1598. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1599. config MIPS_MT_SMTC
  1600. bool "SMTC: Use all TCs on all VPEs for SMP"
  1601. depends on CPU_MIPS32_R2
  1602. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1603. depends on SYS_SUPPORTS_MULTITHREADING
  1604. select CPU_MIPSR2_IRQ_VI
  1605. select CPU_MIPSR2_IRQ_EI
  1606. select MIPS_MT
  1607. select NR_CPUS_DEFAULT_8
  1608. select SMP
  1609. select SYS_SUPPORTS_SMP
  1610. select SMP_UP
  1611. help
  1612. This is a kernel model which is known a SMTC or lately has been
  1613. marketesed into SMVP.
  1614. is presenting the available TC's of the core as processors to Linux.
  1615. On currently available 34K processors this means a Linux system will
  1616. see up to 5 processors. The implementation of the SMTC kernel differs
  1617. significantly from VSMP and cannot efficiently coexist in the same
  1618. kernel binary so the choice between VSMP and SMTC is a compile time
  1619. decision.
  1620. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1621. endchoice
  1622. config MIPS_MT
  1623. bool
  1624. config SCHED_SMT
  1625. bool "SMT (multithreading) scheduler support"
  1626. depends on SYS_SUPPORTS_SCHED_SMT
  1627. default n
  1628. help
  1629. SMT scheduler support improves the CPU scheduler's decision making
  1630. when dealing with MIPS MT enabled cores at a cost of slightly
  1631. increased overhead in some places. If unsure say N here.
  1632. config SYS_SUPPORTS_SCHED_SMT
  1633. bool
  1634. config SYS_SUPPORTS_MULTITHREADING
  1635. bool
  1636. config MIPS_MT_FPAFF
  1637. bool "Dynamic FPU affinity for FP-intensive threads"
  1638. default y
  1639. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1640. config MIPS_VPE_LOADER
  1641. bool "VPE loader support."
  1642. depends on SYS_SUPPORTS_MULTITHREADING
  1643. select CPU_MIPSR2_IRQ_VI
  1644. select CPU_MIPSR2_IRQ_EI
  1645. select MIPS_MT
  1646. help
  1647. Includes a loader for loading an elf relocatable object
  1648. onto another VPE and running it.
  1649. config MIPS_MT_SMTC_IM_BACKSTOP
  1650. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1651. depends on MIPS_MT_SMTC
  1652. default n
  1653. help
  1654. To support multiple TC microthreads acting as "CPUs" within
  1655. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1656. during interrupt handling. To support legacy drivers and interrupt
  1657. controller management code, SMTC has a "backstop" to track and
  1658. if necessary restore the interrupt mask. This has some performance
  1659. impact on interrupt service overhead.
  1660. config MIPS_MT_SMTC_IRQAFF
  1661. bool "Support IRQ affinity API"
  1662. depends on MIPS_MT_SMTC
  1663. default n
  1664. help
  1665. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1666. for SMTC Linux kernel. Requires platform support, of which
  1667. an example can be found in the MIPS kernel i8259 and Malta
  1668. platform code. Adds some overhead to interrupt dispatch, and
  1669. should be used only if you know what you are doing.
  1670. config MIPS_VPE_LOADER_TOM
  1671. bool "Load VPE program into memory hidden from linux"
  1672. depends on MIPS_VPE_LOADER
  1673. default y
  1674. help
  1675. The loader can use memory that is present but has been hidden from
  1676. Linux using the kernel command line option "mem=xxMB". It's up to
  1677. you to ensure the amount you put in the option and the space your
  1678. program requires is less or equal to the amount physically present.
  1679. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1680. config MIPS_VPE_APSP_API
  1681. bool "Enable support for AP/SP API (RTLX)"
  1682. depends on MIPS_VPE_LOADER
  1683. help
  1684. config MIPS_APSP_KSPD
  1685. bool "Enable KSPD"
  1686. depends on MIPS_VPE_APSP_API
  1687. default y
  1688. help
  1689. KSPD is a kernel daemon that accepts syscall requests from the SP
  1690. side, actions them and returns the results. It also handles the
  1691. "exit" syscall notifying other kernel modules the SP program is
  1692. exiting. You probably want to say yes here.
  1693. config MIPS_CMP
  1694. bool "MIPS CMP framework support"
  1695. depends on SYS_SUPPORTS_MIPS_CMP
  1696. select SYNC_R4K
  1697. select SYS_SUPPORTS_SMP
  1698. select SYS_SUPPORTS_SCHED_SMT if SMP
  1699. select WEAK_ORDERING
  1700. default n
  1701. help
  1702. This is a placeholder option for the GCMP work. It will need to
  1703. be handled differently...
  1704. config SB1_PASS_1_WORKAROUNDS
  1705. bool
  1706. depends on CPU_SB1_PASS_1
  1707. default y
  1708. config SB1_PASS_2_WORKAROUNDS
  1709. bool
  1710. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1711. default y
  1712. config SB1_PASS_2_1_WORKAROUNDS
  1713. bool
  1714. depends on CPU_SB1 && CPU_SB1_PASS_2
  1715. default y
  1716. config 64BIT_PHYS_ADDR
  1717. bool
  1718. config ARCH_PHYS_ADDR_T_64BIT
  1719. def_bool 64BIT_PHYS_ADDR
  1720. config CPU_HAS_SMARTMIPS
  1721. depends on SYS_SUPPORTS_SMARTMIPS
  1722. bool "Support for the SmartMIPS ASE"
  1723. help
  1724. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1725. increased security at both hardware and software level for
  1726. smartcards. Enabling this option will allow proper use of the
  1727. SmartMIPS instructions by Linux applications. However a kernel with
  1728. this option will not work on a MIPS core without SmartMIPS core. If
  1729. you don't know you probably don't have SmartMIPS and should say N
  1730. here.
  1731. config CPU_HAS_WB
  1732. bool
  1733. #
  1734. # Vectored interrupt mode is an R2 feature
  1735. #
  1736. config CPU_MIPSR2_IRQ_VI
  1737. bool
  1738. #
  1739. # Extended interrupt mode is an R2 feature
  1740. #
  1741. config CPU_MIPSR2_IRQ_EI
  1742. bool
  1743. config CPU_HAS_SYNC
  1744. bool
  1745. depends on !CPU_R3000
  1746. default y
  1747. config GENERIC_CLOCKEVENTS_BROADCAST
  1748. bool
  1749. #
  1750. # CPU non-features
  1751. #
  1752. config CPU_DADDI_WORKAROUNDS
  1753. bool
  1754. config CPU_R4000_WORKAROUNDS
  1755. bool
  1756. select CPU_R4400_WORKAROUNDS
  1757. config CPU_R4400_WORKAROUNDS
  1758. bool
  1759. #
  1760. # - Highmem only makes sense for the 32-bit kernel.
  1761. # - The current highmem code will only work properly on physically indexed
  1762. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1763. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1764. # moment we protect the user and offer the highmem option only on machines
  1765. # where it's known to be safe. This will not offer highmem on a few systems
  1766. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1767. # indexed CPUs but we're playing safe.
  1768. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1769. # know they might have memory configurations that could make use of highmem
  1770. # support.
  1771. #
  1772. config HIGHMEM
  1773. bool "High Memory Support"
  1774. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1775. config CPU_SUPPORTS_HIGHMEM
  1776. bool
  1777. config SYS_SUPPORTS_HIGHMEM
  1778. bool
  1779. config SYS_SUPPORTS_SMARTMIPS
  1780. bool
  1781. config ARCH_FLATMEM_ENABLE
  1782. def_bool y
  1783. depends on !NUMA && !CPU_LOONGSON2
  1784. config ARCH_DISCONTIGMEM_ENABLE
  1785. bool
  1786. default y if SGI_IP27
  1787. help
  1788. Say Y to support efficient handling of discontiguous physical memory,
  1789. for architectures which are either NUMA (Non-Uniform Memory Access)
  1790. or have huge holes in the physical address space for other reasons.
  1791. See <file:Documentation/vm/numa> for more.
  1792. config ARCH_POPULATES_NODE_MAP
  1793. def_bool y
  1794. config ARCH_SPARSEMEM_ENABLE
  1795. bool
  1796. select SPARSEMEM_STATIC
  1797. config NUMA
  1798. bool "NUMA Support"
  1799. depends on SYS_SUPPORTS_NUMA
  1800. help
  1801. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1802. Access). This option improves performance on systems with more
  1803. than two nodes; on two node systems it is generally better to
  1804. leave it disabled; on single node systems disable this option
  1805. disabled.
  1806. config SYS_SUPPORTS_NUMA
  1807. bool
  1808. config NODES_SHIFT
  1809. int
  1810. default "6"
  1811. depends on NEED_MULTIPLE_NODES
  1812. config HW_PERF_EVENTS
  1813. bool "Enable hardware performance counter support for perf events"
  1814. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
  1815. default y
  1816. help
  1817. Enable hardware performance counter support for perf events. If
  1818. disabled, perf events will use software events only.
  1819. source "mm/Kconfig"
  1820. config SMP
  1821. bool "Multi-Processing support"
  1822. depends on SYS_SUPPORTS_SMP
  1823. select IRQ_PER_CPU
  1824. select USE_GENERIC_SMP_HELPERS
  1825. help
  1826. This enables support for systems with more than one CPU. If you have
  1827. a system with only one CPU, like most personal computers, say N. If
  1828. you have a system with more than one CPU, say Y.
  1829. If you say N here, the kernel will run on single and multiprocessor
  1830. machines, but will use only one CPU of a multiprocessor machine. If
  1831. you say Y here, the kernel will run on many, but not all,
  1832. singleprocessor machines. On a singleprocessor machine, the kernel
  1833. will run faster if you say N here.
  1834. People using multiprocessor machines who say Y here should also say
  1835. Y to "Enhanced Real Time Clock Support", below.
  1836. See also the SMP-HOWTO available at
  1837. <http://www.tldp.org/docs.html#howto>.
  1838. If you don't know what to do here, say N.
  1839. config SMP_UP
  1840. bool
  1841. config SYS_SUPPORTS_MIPS_CMP
  1842. bool
  1843. config SYS_SUPPORTS_SMP
  1844. bool
  1845. config NR_CPUS_DEFAULT_1
  1846. bool
  1847. config NR_CPUS_DEFAULT_2
  1848. bool
  1849. config NR_CPUS_DEFAULT_4
  1850. bool
  1851. config NR_CPUS_DEFAULT_8
  1852. bool
  1853. config NR_CPUS_DEFAULT_16
  1854. bool
  1855. config NR_CPUS_DEFAULT_32
  1856. bool
  1857. config NR_CPUS_DEFAULT_64
  1858. bool
  1859. config NR_CPUS
  1860. int "Maximum number of CPUs (2-64)"
  1861. range 1 64 if NR_CPUS_DEFAULT_1
  1862. depends on SMP
  1863. default "1" if NR_CPUS_DEFAULT_1
  1864. default "2" if NR_CPUS_DEFAULT_2
  1865. default "4" if NR_CPUS_DEFAULT_4
  1866. default "8" if NR_CPUS_DEFAULT_8
  1867. default "16" if NR_CPUS_DEFAULT_16
  1868. default "32" if NR_CPUS_DEFAULT_32
  1869. default "64" if NR_CPUS_DEFAULT_64
  1870. help
  1871. This allows you to specify the maximum number of CPUs which this
  1872. kernel will support. The maximum supported value is 32 for 32-bit
  1873. kernel and 64 for 64-bit kernels; the minimum value which makes
  1874. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1875. and 2 for all others.
  1876. This is purely to save memory - each supported CPU adds
  1877. approximately eight kilobytes to the kernel image. For best
  1878. performance should round up your number of processors to the next
  1879. power of two.
  1880. source "kernel/time/Kconfig"
  1881. #
  1882. # Timer Interrupt Frequency Configuration
  1883. #
  1884. choice
  1885. prompt "Timer frequency"
  1886. default HZ_250
  1887. help
  1888. Allows the configuration of the timer frequency.
  1889. config HZ_48
  1890. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1891. config HZ_100
  1892. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1893. config HZ_128
  1894. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1895. config HZ_250
  1896. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1897. config HZ_256
  1898. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1899. config HZ_1000
  1900. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1901. config HZ_1024
  1902. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1903. endchoice
  1904. config SYS_SUPPORTS_48HZ
  1905. bool
  1906. config SYS_SUPPORTS_100HZ
  1907. bool
  1908. config SYS_SUPPORTS_128HZ
  1909. bool
  1910. config SYS_SUPPORTS_250HZ
  1911. bool
  1912. config SYS_SUPPORTS_256HZ
  1913. bool
  1914. config SYS_SUPPORTS_1000HZ
  1915. bool
  1916. config SYS_SUPPORTS_1024HZ
  1917. bool
  1918. config SYS_SUPPORTS_ARBIT_HZ
  1919. bool
  1920. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1921. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1922. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1923. !SYS_SUPPORTS_1024HZ
  1924. config HZ
  1925. int
  1926. default 48 if HZ_48
  1927. default 100 if HZ_100
  1928. default 128 if HZ_128
  1929. default 250 if HZ_250
  1930. default 256 if HZ_256
  1931. default 1000 if HZ_1000
  1932. default 1024 if HZ_1024
  1933. source "kernel/Kconfig.preempt"
  1934. config MIPS_INSANE_LARGE
  1935. bool "Support for large 64-bit configurations"
  1936. depends on CPU_R10000 && 64BIT
  1937. help
  1938. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1939. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1940. need processes of more than 1TB virtual address space, say Y here.
  1941. This will result in additional memory usage, so it is not
  1942. recommended for normal users.
  1943. config KEXEC
  1944. bool "Kexec system call (EXPERIMENTAL)"
  1945. depends on EXPERIMENTAL
  1946. help
  1947. kexec is a system call that implements the ability to shutdown your
  1948. current kernel, and to start another kernel. It is like a reboot
  1949. but it is independent of the system firmware. And like a reboot
  1950. you can start any kernel with it, not just Linux.
  1951. The name comes from the similarity to the exec system call.
  1952. It is an ongoing process to be certain the hardware in a machine
  1953. is properly shutdown, so do not be surprised if this code does not
  1954. initially work for you. It may help to enable device hotplugging
  1955. support. As of this writing the exact hardware interface is
  1956. strongly in flux, so no good recommendation can be made.
  1957. config SECCOMP
  1958. bool "Enable seccomp to safely compute untrusted bytecode"
  1959. depends on PROC_FS
  1960. default y
  1961. help
  1962. This kernel feature is useful for number crunching applications
  1963. that may need to compute untrusted bytecode during their
  1964. execution. By using pipes or other transports made available to
  1965. the process as file descriptors supporting the read/write
  1966. syscalls, it's possible to isolate those applications in
  1967. their own address space using seccomp. Once seccomp is
  1968. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1969. and the task is only allowed to execute a few safe syscalls
  1970. defined by each seccomp mode.
  1971. If unsure, say Y. Only embedded should say N here.
  1972. config USE_OF
  1973. bool "Flattened Device Tree support"
  1974. select OF
  1975. select OF_EARLY_FLATTREE
  1976. help
  1977. Include support for flattened device tree machine descriptions.
  1978. endmenu
  1979. config LOCKDEP_SUPPORT
  1980. bool
  1981. default y
  1982. config STACKTRACE_SUPPORT
  1983. bool
  1984. default y
  1985. source "init/Kconfig"
  1986. source "kernel/Kconfig.freezer"
  1987. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1988. config HW_HAS_EISA
  1989. bool
  1990. config HW_HAS_PCI
  1991. bool
  1992. config PCI
  1993. bool "Support for PCI controller"
  1994. depends on HW_HAS_PCI
  1995. select PCI_DOMAINS
  1996. help
  1997. Find out whether you have a PCI motherboard. PCI is the name of a
  1998. bus system, i.e. the way the CPU talks to the other stuff inside
  1999. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2000. say Y, otherwise N.
  2001. config PCI_DOMAINS
  2002. bool
  2003. source "drivers/pci/Kconfig"
  2004. #
  2005. # ISA support is now enabled via select. Too many systems still have the one
  2006. # or other ISA chip on the board that users don't know about so don't expect
  2007. # users to choose the right thing ...
  2008. #
  2009. config ISA
  2010. bool
  2011. config EISA
  2012. bool "EISA support"
  2013. depends on HW_HAS_EISA
  2014. select ISA
  2015. select GENERIC_ISA_DMA
  2016. ---help---
  2017. The Extended Industry Standard Architecture (EISA) bus was
  2018. developed as an open alternative to the IBM MicroChannel bus.
  2019. The EISA bus provided some of the features of the IBM MicroChannel
  2020. bus while maintaining backward compatibility with cards made for
  2021. the older ISA bus. The EISA bus saw limited use between 1988 and
  2022. 1995 when it was made obsolete by the PCI bus.
  2023. Say Y here if you are building a kernel for an EISA-based machine.
  2024. Otherwise, say N.
  2025. source "drivers/eisa/Kconfig"
  2026. config TC
  2027. bool "TURBOchannel support"
  2028. depends on MACH_DECSTATION
  2029. help
  2030. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2031. processors. TURBOchannel programming specifications are available
  2032. at:
  2033. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2034. and:
  2035. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2036. Linux driver support status is documented at:
  2037. <http://www.linux-mips.org/wiki/DECstation>
  2038. #config ACCESSBUS
  2039. # bool "Access.Bus support"
  2040. # depends on TC
  2041. config MMU
  2042. bool
  2043. default y
  2044. config I8253
  2045. bool
  2046. select CLKSRC_I8253
  2047. select CLKEVT_I8253
  2048. select MIPS_EXTERNAL_TIMER
  2049. config ZONE_DMA32
  2050. bool
  2051. source "drivers/pcmcia/Kconfig"
  2052. source "drivers/pci/hotplug/Kconfig"
  2053. config RAPIDIO
  2054. bool "RapidIO support"
  2055. depends on PCI
  2056. default n
  2057. help
  2058. If you say Y here, the kernel will include drivers and
  2059. infrastructure code to support RapidIO interconnect devices.
  2060. source "drivers/rapidio/Kconfig"
  2061. endmenu
  2062. menu "Executable file formats"
  2063. source "fs/Kconfig.binfmt"
  2064. config TRAD_SIGNALS
  2065. bool
  2066. config MIPS32_COMPAT
  2067. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2068. depends on 64BIT
  2069. help
  2070. Select this option if you want Linux/MIPS 32-bit binary
  2071. compatibility. Since all software available for Linux/MIPS is
  2072. currently 32-bit you should say Y here.
  2073. config COMPAT
  2074. bool
  2075. depends on MIPS32_COMPAT
  2076. default y
  2077. config SYSVIPC_COMPAT
  2078. bool
  2079. depends on COMPAT && SYSVIPC
  2080. default y
  2081. config MIPS32_O32
  2082. bool "Kernel support for o32 binaries"
  2083. depends on MIPS32_COMPAT
  2084. help
  2085. Select this option if you want to run o32 binaries. These are pure
  2086. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2087. existing binaries are in this format.
  2088. If unsure, say Y.
  2089. config MIPS32_N32
  2090. bool "Kernel support for n32 binaries"
  2091. depends on MIPS32_COMPAT
  2092. help
  2093. Select this option if you want to run n32 binaries. These are
  2094. 64-bit binaries using 32-bit quantities for addressing and certain
  2095. data that would normally be 64-bit. They are used in special
  2096. cases.
  2097. If unsure, say N.
  2098. config BINFMT_ELF32
  2099. bool
  2100. default y if MIPS32_O32 || MIPS32_N32
  2101. endmenu
  2102. menu "Power management options"
  2103. config ARCH_HIBERNATION_POSSIBLE
  2104. def_bool y
  2105. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2106. config ARCH_SUSPEND_POSSIBLE
  2107. def_bool y
  2108. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2109. source "kernel/power/Kconfig"
  2110. endmenu
  2111. source "arch/mips/kernel/cpufreq/Kconfig"
  2112. source "net/Kconfig"
  2113. source "drivers/Kconfig"
  2114. source "fs/Kconfig"
  2115. source "arch/mips/Kconfig.debug"
  2116. source "security/Kconfig"
  2117. source "crypto/Kconfig"
  2118. source "lib/Kconfig"