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