Kconfig 60 KB

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