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