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