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_PCSPKR_PLATFORM
  9. select HAVE_PERF_EVENTS
  10. select PERF_USE_VMALLOC
  11. select HAVE_ARCH_KGDB
  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 RTC_LIB if !MACH_LOONGSON
  21. select GENERIC_ATOMIC64 if !64BIT
  22. select HAVE_DMA_ATTRS
  23. select HAVE_DMA_API_DEBUG
  24. select HAVE_GENERIC_HARDIRQS
  25. select GENERIC_IRQ_PROBE
  26. select GENERIC_IRQ_SHOW
  27. select HAVE_ARCH_JUMP_LABEL
  28. menu "Machine selection"
  29. config ZONE_DMA
  30. bool
  31. choice
  32. prompt "System type"
  33. default SGI_IP22
  34. config MIPS_ALCHEMY
  35. bool "Alchemy processor based machines"
  36. select 64BIT_PHYS_ADDR
  37. select CEVT_R4K_LIB
  38. select CSRC_R4K_LIB
  39. select IRQ_CPU
  40. select SYS_HAS_CPU_MIPS32_R1
  41. select SYS_SUPPORTS_32BIT_KERNEL
  42. select SYS_SUPPORTS_APM_EMULATION
  43. select GENERIC_GPIO
  44. select ARCH_WANT_OPTIONAL_GPIOLIB
  45. select SYS_SUPPORTS_ZBOOT
  46. config AR7
  47. bool "Texas Instruments AR7"
  48. select BOOT_ELF32
  49. select DMA_NONCOHERENT
  50. select CEVT_R4K
  51. select CSRC_R4K
  52. select IRQ_CPU
  53. select NO_EXCEPT_FILL
  54. select SWAP_IO_SPACE
  55. select SYS_HAS_CPU_MIPS32_R1
  56. select SYS_HAS_EARLY_PRINTK
  57. select SYS_SUPPORTS_32BIT_KERNEL
  58. select SYS_SUPPORTS_LITTLE_ENDIAN
  59. select SYS_SUPPORTS_ZBOOT_UART16550
  60. select ARCH_REQUIRE_GPIOLIB
  61. select GCD
  62. select VLYNQ
  63. help
  64. Support for the Texas Instruments AR7 System-on-a-Chip
  65. family: TNETD7100, 7200 and 7300.
  66. config ATH79
  67. bool "Atheros AR71XX/AR724X/AR913X based boards"
  68. select ARCH_REQUIRE_GPIOLIB
  69. select BOOT_RAW
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select DMA_NONCOHERENT
  73. select IRQ_CPU
  74. select MIPS_MACHINE
  75. select SYS_HAS_CPU_MIPS32_R2
  76. select SYS_HAS_EARLY_PRINTK
  77. select SYS_SUPPORTS_32BIT_KERNEL
  78. select SYS_SUPPORTS_BIG_ENDIAN
  79. help
  80. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  81. config BCM47XX
  82. bool "Broadcom BCM47XX based boards"
  83. select CEVT_R4K
  84. select CSRC_R4K
  85. select DMA_NONCOHERENT
  86. select HW_HAS_PCI
  87. select IRQ_CPU
  88. select SYS_HAS_CPU_MIPS32_R1
  89. select SYS_SUPPORTS_32BIT_KERNEL
  90. select SYS_SUPPORTS_LITTLE_ENDIAN
  91. select SSB
  92. select SSB_DRIVER_MIPS
  93. select SSB_DRIVER_EXTIF
  94. select SSB_EMBEDDED
  95. select SSB_B43_PCI_BRIDGE if PCI
  96. select SSB_PCICORE_HOSTMODE if PCI
  97. select GENERIC_GPIO
  98. select SYS_HAS_EARLY_PRINTK
  99. select CFE
  100. help
  101. Support for BCM47XX based boards
  102. config BCM63XX
  103. bool "Broadcom BCM63XX based boards"
  104. select CEVT_R4K
  105. select CSRC_R4K
  106. select DMA_NONCOHERENT
  107. select IRQ_CPU
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_BIG_ENDIAN
  111. select SYS_HAS_EARLY_PRINTK
  112. select SWAP_IO_SPACE
  113. select ARCH_REQUIRE_GPIOLIB
  114. help
  115. Support for BCM63XX based boards
  116. config MIPS_COBALT
  117. bool "Cobalt Server"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select CEVT_GT641XX
  121. select DMA_NONCOHERENT
  122. select HW_HAS_PCI
  123. select I8253
  124. select I8259
  125. select IRQ_CPU
  126. select IRQ_GT641XX
  127. select PCI_GT64XXX_PCI0
  128. select PCI
  129. select SYS_HAS_CPU_NEVADA
  130. select SYS_HAS_EARLY_PRINTK
  131. select SYS_SUPPORTS_32BIT_KERNEL
  132. select SYS_SUPPORTS_64BIT_KERNEL
  133. select SYS_SUPPORTS_LITTLE_ENDIAN
  134. config MACH_DECSTATION
  135. bool "DECstations"
  136. select BOOT_ELF32
  137. select CEVT_DS1287
  138. select CEVT_R4K
  139. select CSRC_IOASIC
  140. select CSRC_R4K
  141. select CPU_DADDI_WORKAROUNDS if 64BIT
  142. select CPU_R4000_WORKAROUNDS if 64BIT
  143. select CPU_R4400_WORKAROUNDS if 64BIT
  144. select DMA_NONCOHERENT
  145. select NO_IOPORT
  146. select IRQ_CPU
  147. select SYS_HAS_CPU_R3000
  148. select SYS_HAS_CPU_R4X00
  149. select SYS_SUPPORTS_32BIT_KERNEL
  150. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  151. select SYS_SUPPORTS_LITTLE_ENDIAN
  152. select SYS_SUPPORTS_128HZ
  153. select SYS_SUPPORTS_256HZ
  154. select SYS_SUPPORTS_1024HZ
  155. help
  156. This enables support for DEC's MIPS based workstations. For details
  157. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  158. DECstation porting pages on <http://decstation.unix-ag.org/>.
  159. If you have one of the following DECstation Models you definitely
  160. want to choose R4xx0 for the CPU Type:
  161. DECstation 5000/50
  162. DECstation 5000/150
  163. DECstation 5000/260
  164. DECsystem 5900/260
  165. otherwise choose R3000.
  166. config MACH_JAZZ
  167. bool "Jazz family of machines"
  168. select ARC
  169. select ARC32
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select CEVT_R4K
  172. select CSRC_R4K
  173. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  174. select GENERIC_ISA_DMA
  175. select IRQ_CPU
  176. select I8253
  177. select I8259
  178. select ISA
  179. select SYS_HAS_CPU_R4X00
  180. select SYS_SUPPORTS_32BIT_KERNEL
  181. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  182. select SYS_SUPPORTS_100HZ
  183. help
  184. This a family of machines based on the MIPS R4030 chipset which was
  185. used by several vendors to build RISC/os and Windows NT workstations.
  186. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  187. Olivetti M700-10 workstations.
  188. config MACH_JZ4740
  189. bool "Ingenic JZ4740 based machines"
  190. select SYS_HAS_CPU_MIPS32_R1
  191. select SYS_SUPPORTS_32BIT_KERNEL
  192. select SYS_SUPPORTS_LITTLE_ENDIAN
  193. select DMA_NONCOHERENT
  194. select IRQ_CPU
  195. select GENERIC_GPIO
  196. select ARCH_REQUIRE_GPIOLIB
  197. select SYS_HAS_EARLY_PRINTK
  198. select HAVE_PWM
  199. select HAVE_CLK
  200. config LANTIQ
  201. bool "Lantiq based platforms"
  202. select DMA_NONCOHERENT
  203. select IRQ_CPU
  204. select CEVT_R4K
  205. select CSRC_R4K
  206. select SYS_HAS_CPU_MIPS32_R1
  207. select SYS_HAS_CPU_MIPS32_R2
  208. select SYS_SUPPORTS_BIG_ENDIAN
  209. select SYS_SUPPORTS_32BIT_KERNEL
  210. select SYS_SUPPORTS_MULTITHREADING
  211. select SYS_HAS_EARLY_PRINTK
  212. select ARCH_REQUIRE_GPIOLIB
  213. select SWAP_IO_SPACE
  214. select BOOT_RAW
  215. select HAVE_CLK
  216. select MIPS_MACHINE
  217. config LASAT
  218. bool "LASAT Networks platforms"
  219. select CEVT_R4K
  220. select CSRC_R4K
  221. select DMA_NONCOHERENT
  222. select SYS_HAS_EARLY_PRINTK
  223. select HW_HAS_PCI
  224. select IRQ_CPU
  225. select PCI_GT64XXX_PCI0
  226. select MIPS_NILE4
  227. select R5000_CPU_SCACHE
  228. select SYS_HAS_CPU_R5000
  229. select SYS_SUPPORTS_32BIT_KERNEL
  230. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  231. select SYS_SUPPORTS_LITTLE_ENDIAN
  232. config MACH_LOONGSON
  233. bool "Loongson family of machines"
  234. select SYS_SUPPORTS_ZBOOT
  235. help
  236. This enables the support of Loongson family of machines.
  237. Loongson is a family of general-purpose MIPS-compatible CPUs.
  238. developed at Institute of Computing Technology (ICT),
  239. Chinese Academy of Sciences (CAS) in the People's Republic
  240. of China. The chief architect is Professor Weiwu Hu.
  241. config MIPS_MALTA
  242. bool "MIPS Malta board"
  243. select ARCH_MAY_HAVE_PC_FDC
  244. select BOOT_ELF32
  245. select BOOT_RAW
  246. select CEVT_R4K
  247. select CSRC_R4K
  248. select DMA_NONCOHERENT
  249. select GENERIC_ISA_DMA
  250. select IRQ_CPU
  251. select IRQ_GIC
  252. select HW_HAS_PCI
  253. select I8253
  254. select I8259
  255. select MIPS_BOARDS_GEN
  256. select MIPS_BONITO64
  257. select MIPS_CPU_SCACHE
  258. select PCI_GT64XXX_PCI0
  259. select MIPS_MSC
  260. select SWAP_IO_SPACE
  261. select SYS_HAS_CPU_MIPS32_R1
  262. select SYS_HAS_CPU_MIPS32_R2
  263. select SYS_HAS_CPU_MIPS64_R1
  264. select SYS_HAS_CPU_NEVADA
  265. select SYS_HAS_CPU_RM7000
  266. select SYS_HAS_EARLY_PRINTK
  267. select SYS_SUPPORTS_32BIT_KERNEL
  268. select SYS_SUPPORTS_64BIT_KERNEL
  269. select SYS_SUPPORTS_BIG_ENDIAN
  270. select SYS_SUPPORTS_LITTLE_ENDIAN
  271. select SYS_SUPPORTS_MIPS_CMP
  272. select SYS_SUPPORTS_MULTITHREADING
  273. select SYS_SUPPORTS_SMARTMIPS
  274. select SYS_SUPPORTS_ZBOOT
  275. help
  276. This enables support for the MIPS Technologies Malta evaluation
  277. board.
  278. config MIPS_SIM
  279. bool 'MIPS simulator (MIPSsim)'
  280. select CEVT_R4K
  281. select CSRC_R4K
  282. select DMA_NONCOHERENT
  283. select SYS_HAS_EARLY_PRINTK
  284. select IRQ_CPU
  285. select BOOT_RAW
  286. select SYS_HAS_CPU_MIPS32_R1
  287. select SYS_HAS_CPU_MIPS32_R2
  288. select SYS_HAS_EARLY_PRINTK
  289. select SYS_SUPPORTS_32BIT_KERNEL
  290. select SYS_SUPPORTS_BIG_ENDIAN
  291. select SYS_SUPPORTS_MULTITHREADING
  292. select SYS_SUPPORTS_LITTLE_ENDIAN
  293. help
  294. This option enables support for MIPS Technologies MIPSsim software
  295. emulator.
  296. config NEC_MARKEINS
  297. bool "NEC EMMA2RH Mark-eins board"
  298. select SOC_EMMA2RH
  299. select HW_HAS_PCI
  300. help
  301. This enables support for the NEC Electronics Mark-eins boards.
  302. config MACH_VR41XX
  303. bool "NEC VR4100 series based machines"
  304. select CEVT_R4K
  305. select CSRC_R4K
  306. select SYS_HAS_CPU_VR41XX
  307. select ARCH_REQUIRE_GPIOLIB
  308. config NXP_STB220
  309. bool "NXP STB220 board"
  310. select SOC_PNX833X
  311. help
  312. Support for NXP Semiconductors STB220 Development Board.
  313. config NXP_STB225
  314. bool "NXP 225 board"
  315. select SOC_PNX833X
  316. select SOC_PNX8335
  317. help
  318. Support for NXP Semiconductors STB225 Development Board.
  319. config PNX8550_JBS
  320. bool "NXP PNX8550 based JBS board"
  321. select PNX8550
  322. select SYS_SUPPORTS_LITTLE_ENDIAN
  323. config PNX8550_STB810
  324. bool "NXP PNX8550 based STB810 board"
  325. select PNX8550
  326. select SYS_SUPPORTS_LITTLE_ENDIAN
  327. config PMC_MSP
  328. bool "PMC-Sierra MSP chipsets"
  329. depends on EXPERIMENTAL
  330. select CEVT_R4K
  331. select CSRC_R4K
  332. select DMA_NONCOHERENT
  333. select SWAP_IO_SPACE
  334. select NO_EXCEPT_FILL
  335. select BOOT_RAW
  336. select SYS_HAS_CPU_MIPS32_R1
  337. select SYS_HAS_CPU_MIPS32_R2
  338. select SYS_SUPPORTS_32BIT_KERNEL
  339. select SYS_SUPPORTS_BIG_ENDIAN
  340. select IRQ_CPU
  341. select SERIAL_8250
  342. select SERIAL_8250_CONSOLE
  343. help
  344. This adds support for the PMC-Sierra family of Multi-Service
  345. Processor System-On-A-Chips. These parts include a number
  346. of integrated peripherals, interfaces and DSPs in addition to
  347. a variety of MIPS cores.
  348. config PMC_YOSEMITE
  349. bool "PMC-Sierra Yosemite eval board"
  350. select CEVT_R4K
  351. select CSRC_R4K
  352. select DMA_COHERENT
  353. select HW_HAS_PCI
  354. select IRQ_CPU
  355. select IRQ_CPU_RM7K
  356. select IRQ_CPU_RM9K
  357. select SWAP_IO_SPACE
  358. select SYS_HAS_CPU_RM9000
  359. select SYS_HAS_EARLY_PRINTK
  360. select SYS_SUPPORTS_32BIT_KERNEL
  361. select SYS_SUPPORTS_64BIT_KERNEL
  362. select SYS_SUPPORTS_BIG_ENDIAN
  363. select SYS_SUPPORTS_HIGHMEM
  364. select SYS_SUPPORTS_SMP
  365. help
  366. Yosemite is an evaluation board for the RM9000x2 processor
  367. manufactured by PMC-Sierra.
  368. config POWERTV
  369. bool "Cisco PowerTV"
  370. select BOOT_ELF32
  371. select CEVT_R4K
  372. select CPU_MIPSR2_IRQ_VI
  373. select CPU_MIPSR2_IRQ_EI
  374. select CSRC_POWERTV
  375. select DMA_NONCOHERENT
  376. select HW_HAS_PCI
  377. select SYS_HAS_EARLY_PRINTK
  378. select SYS_HAS_CPU_MIPS32_R2
  379. select SYS_SUPPORTS_32BIT_KERNEL
  380. select SYS_SUPPORTS_BIG_ENDIAN
  381. select SYS_SUPPORTS_HIGHMEM
  382. select USB_OHCI_LITTLE_ENDIAN
  383. help
  384. This enables support for the Cisco PowerTV Platform.
  385. config SGI_IP22
  386. bool "SGI IP22 (Indy/Indigo2)"
  387. select ARC
  388. select ARC32
  389. select BOOT_ELF32
  390. select CEVT_R4K
  391. select CSRC_R4K
  392. select DEFAULT_SGI_PARTITION
  393. select DMA_NONCOHERENT
  394. select HW_HAS_EISA
  395. select I8253
  396. select I8259
  397. select IP22_CPU_SCACHE
  398. select IRQ_CPU
  399. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  400. select SGI_HAS_I8042
  401. select SGI_HAS_INDYDOG
  402. select SGI_HAS_HAL2
  403. select SGI_HAS_SEEQ
  404. select SGI_HAS_WD93
  405. select SGI_HAS_ZILOG
  406. select SWAP_IO_SPACE
  407. select SYS_HAS_CPU_R4X00
  408. select SYS_HAS_CPU_R5000
  409. #
  410. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  411. # memory during early boot on some machines.
  412. #
  413. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  414. # for a more details discussion
  415. #
  416. # select SYS_HAS_EARLY_PRINTK
  417. select SYS_SUPPORTS_32BIT_KERNEL
  418. select SYS_SUPPORTS_64BIT_KERNEL
  419. select SYS_SUPPORTS_BIG_ENDIAN
  420. help
  421. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  422. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  423. that runs on these, say Y here.
  424. config SGI_IP27
  425. bool "SGI IP27 (Origin200/2000)"
  426. select ARC
  427. select ARC64
  428. select BOOT_ELF64
  429. select DEFAULT_SGI_PARTITION
  430. select DMA_COHERENT
  431. select SYS_HAS_EARLY_PRINTK
  432. select HW_HAS_PCI
  433. select NR_CPUS_DEFAULT_64
  434. select SYS_HAS_CPU_R10000
  435. select SYS_SUPPORTS_64BIT_KERNEL
  436. select SYS_SUPPORTS_BIG_ENDIAN
  437. select SYS_SUPPORTS_NUMA
  438. select SYS_SUPPORTS_SMP
  439. help
  440. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  441. workstations. To compile a Linux kernel that runs on these, say Y
  442. here.
  443. config SGI_IP28
  444. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  445. depends on EXPERIMENTAL
  446. select ARC
  447. select ARC64
  448. select BOOT_ELF64
  449. select CEVT_R4K
  450. select CSRC_R4K
  451. select DEFAULT_SGI_PARTITION
  452. select DMA_NONCOHERENT
  453. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  454. select IRQ_CPU
  455. select HW_HAS_EISA
  456. select I8253
  457. select I8259
  458. select SGI_HAS_I8042
  459. select SGI_HAS_INDYDOG
  460. select SGI_HAS_HAL2
  461. select SGI_HAS_SEEQ
  462. select SGI_HAS_WD93
  463. select SGI_HAS_ZILOG
  464. select SWAP_IO_SPACE
  465. select SYS_HAS_CPU_R10000
  466. #
  467. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  468. # memory during early boot on some machines.
  469. #
  470. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  471. # for a more details discussion
  472. #
  473. # select SYS_HAS_EARLY_PRINTK
  474. select SYS_SUPPORTS_64BIT_KERNEL
  475. select SYS_SUPPORTS_BIG_ENDIAN
  476. help
  477. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  478. kernel that runs on these, say Y here.
  479. config SGI_IP32
  480. bool "SGI IP32 (O2)"
  481. select ARC
  482. select ARC32
  483. select BOOT_ELF32
  484. select CEVT_R4K
  485. select CSRC_R4K
  486. select DMA_NONCOHERENT
  487. select HW_HAS_PCI
  488. select IRQ_CPU
  489. select R5000_CPU_SCACHE
  490. select RM7000_CPU_SCACHE
  491. select SYS_HAS_CPU_R5000
  492. select SYS_HAS_CPU_R10000 if BROKEN
  493. select SYS_HAS_CPU_RM7000
  494. select SYS_HAS_CPU_NEVADA
  495. select SYS_SUPPORTS_64BIT_KERNEL
  496. select SYS_SUPPORTS_BIG_ENDIAN
  497. help
  498. If you want this kernel to run on SGI O2 workstation, say Y here.
  499. config SIBYTE_CRHINE
  500. bool "Sibyte BCM91120C-CRhine"
  501. depends on EXPERIMENTAL
  502. select BOOT_ELF32
  503. select DMA_COHERENT
  504. select SIBYTE_BCM1120
  505. select SWAP_IO_SPACE
  506. select SYS_HAS_CPU_SB1
  507. select SYS_SUPPORTS_BIG_ENDIAN
  508. select SYS_SUPPORTS_LITTLE_ENDIAN
  509. config SIBYTE_CARMEL
  510. bool "Sibyte BCM91120x-Carmel"
  511. depends on EXPERIMENTAL
  512. select BOOT_ELF32
  513. select DMA_COHERENT
  514. select SIBYTE_BCM1120
  515. select SWAP_IO_SPACE
  516. select SYS_HAS_CPU_SB1
  517. select SYS_SUPPORTS_BIG_ENDIAN
  518. select SYS_SUPPORTS_LITTLE_ENDIAN
  519. config SIBYTE_CRHONE
  520. bool "Sibyte BCM91125C-CRhone"
  521. depends on EXPERIMENTAL
  522. select BOOT_ELF32
  523. select DMA_COHERENT
  524. select SIBYTE_BCM1125
  525. select SWAP_IO_SPACE
  526. select SYS_HAS_CPU_SB1
  527. select SYS_SUPPORTS_BIG_ENDIAN
  528. select SYS_SUPPORTS_HIGHMEM
  529. select SYS_SUPPORTS_LITTLE_ENDIAN
  530. config SIBYTE_RHONE
  531. bool "Sibyte BCM91125E-Rhone"
  532. depends on EXPERIMENTAL
  533. select BOOT_ELF32
  534. select DMA_COHERENT
  535. select SIBYTE_BCM1125H
  536. select SWAP_IO_SPACE
  537. select SYS_HAS_CPU_SB1
  538. select SYS_SUPPORTS_BIG_ENDIAN
  539. select SYS_SUPPORTS_LITTLE_ENDIAN
  540. config SIBYTE_SWARM
  541. bool "Sibyte BCM91250A-SWARM"
  542. select BOOT_ELF32
  543. select DMA_COHERENT
  544. select HAVE_PATA_PLATFORM
  545. select NR_CPUS_DEFAULT_2
  546. select SIBYTE_SB1250
  547. select SWAP_IO_SPACE
  548. select SYS_HAS_CPU_SB1
  549. select SYS_SUPPORTS_BIG_ENDIAN
  550. select SYS_SUPPORTS_HIGHMEM
  551. select SYS_SUPPORTS_LITTLE_ENDIAN
  552. select ZONE_DMA32 if 64BIT
  553. config SIBYTE_LITTLESUR
  554. bool "Sibyte BCM91250C2-LittleSur"
  555. depends on EXPERIMENTAL
  556. select BOOT_ELF32
  557. select DMA_COHERENT
  558. select HAVE_PATA_PLATFORM
  559. select NR_CPUS_DEFAULT_2
  560. select SIBYTE_SB1250
  561. select SWAP_IO_SPACE
  562. select SYS_HAS_CPU_SB1
  563. select SYS_SUPPORTS_BIG_ENDIAN
  564. select SYS_SUPPORTS_HIGHMEM
  565. select SYS_SUPPORTS_LITTLE_ENDIAN
  566. config SIBYTE_SENTOSA
  567. bool "Sibyte BCM91250E-Sentosa"
  568. depends on EXPERIMENTAL
  569. select BOOT_ELF32
  570. select DMA_COHERENT
  571. select NR_CPUS_DEFAULT_2
  572. select SIBYTE_SB1250
  573. select SWAP_IO_SPACE
  574. select SYS_HAS_CPU_SB1
  575. select SYS_SUPPORTS_BIG_ENDIAN
  576. select SYS_SUPPORTS_LITTLE_ENDIAN
  577. config SIBYTE_BIGSUR
  578. bool "Sibyte BCM91480B-BigSur"
  579. select BOOT_ELF32
  580. select DMA_COHERENT
  581. select NR_CPUS_DEFAULT_4
  582. select SIBYTE_BCM1x80
  583. select SWAP_IO_SPACE
  584. select SYS_HAS_CPU_SB1
  585. select SYS_SUPPORTS_BIG_ENDIAN
  586. select SYS_SUPPORTS_HIGHMEM
  587. select SYS_SUPPORTS_LITTLE_ENDIAN
  588. select ZONE_DMA32 if 64BIT
  589. config SNI_RM
  590. bool "SNI RM200/300/400"
  591. select ARC if CPU_LITTLE_ENDIAN
  592. select ARC32 if CPU_LITTLE_ENDIAN
  593. select SNIPROM if CPU_BIG_ENDIAN
  594. select ARCH_MAY_HAVE_PC_FDC
  595. select BOOT_ELF32
  596. select CEVT_R4K
  597. select CSRC_R4K
  598. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  599. select DMA_NONCOHERENT
  600. select GENERIC_ISA_DMA
  601. select HW_HAS_EISA
  602. select HW_HAS_PCI
  603. select IRQ_CPU
  604. select I8253
  605. select I8259
  606. select ISA
  607. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  608. select SYS_HAS_CPU_R4X00
  609. select SYS_HAS_CPU_R5000
  610. select SYS_HAS_CPU_R10000
  611. select R5000_CPU_SCACHE
  612. select SYS_HAS_EARLY_PRINTK
  613. select SYS_SUPPORTS_32BIT_KERNEL
  614. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  615. select SYS_SUPPORTS_BIG_ENDIAN
  616. select SYS_SUPPORTS_HIGHMEM
  617. select SYS_SUPPORTS_LITTLE_ENDIAN
  618. help
  619. The SNI RM200/300/400 are MIPS-based machines manufactured by
  620. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  621. Technology and now in turn merged with Fujitsu. Say Y here to
  622. support this machine type.
  623. config MACH_TX39XX
  624. bool "Toshiba TX39 series based machines"
  625. config MACH_TX49XX
  626. bool "Toshiba TX49 series based machines"
  627. config MIKROTIK_RB532
  628. bool "Mikrotik RB532 boards"
  629. select CEVT_R4K
  630. select CSRC_R4K
  631. select DMA_NONCOHERENT
  632. select HW_HAS_PCI
  633. select IRQ_CPU
  634. select SYS_HAS_CPU_MIPS32_R1
  635. select SYS_SUPPORTS_32BIT_KERNEL
  636. select SYS_SUPPORTS_LITTLE_ENDIAN
  637. select SWAP_IO_SPACE
  638. select BOOT_RAW
  639. select ARCH_REQUIRE_GPIOLIB
  640. help
  641. Support the Mikrotik(tm) RouterBoard 532 series,
  642. based on the IDT RC32434 SoC.
  643. config WR_PPMC
  644. bool "Wind River PPMC board"
  645. select CEVT_R4K
  646. select CSRC_R4K
  647. select IRQ_CPU
  648. select BOOT_ELF32
  649. select DMA_NONCOHERENT
  650. select HW_HAS_PCI
  651. select PCI_GT64XXX_PCI0
  652. select SWAP_IO_SPACE
  653. select SYS_HAS_CPU_MIPS32_R1
  654. select SYS_HAS_CPU_MIPS32_R2
  655. select SYS_HAS_CPU_MIPS64_R1
  656. select SYS_HAS_CPU_NEVADA
  657. select SYS_HAS_CPU_RM7000
  658. select SYS_SUPPORTS_32BIT_KERNEL
  659. select SYS_SUPPORTS_64BIT_KERNEL
  660. select SYS_SUPPORTS_BIG_ENDIAN
  661. select SYS_SUPPORTS_LITTLE_ENDIAN
  662. help
  663. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  664. board, which is based on GT64120 bridge chip.
  665. config CAVIUM_OCTEON_SIMULATOR
  666. bool "Cavium Networks Octeon Simulator"
  667. select CEVT_R4K
  668. select 64BIT_PHYS_ADDR
  669. select DMA_COHERENT
  670. select SYS_SUPPORTS_64BIT_KERNEL
  671. select SYS_SUPPORTS_BIG_ENDIAN
  672. select SYS_SUPPORTS_HIGHMEM
  673. select SYS_SUPPORTS_HOTPLUG_CPU
  674. select SYS_HAS_CPU_CAVIUM_OCTEON
  675. help
  676. The Octeon simulator is software performance model of the Cavium
  677. Octeon Processor. It supports simulating Octeon processors on x86
  678. hardware.
  679. config CAVIUM_OCTEON_REFERENCE_BOARD
  680. bool "Cavium Networks Octeon reference board"
  681. select CEVT_R4K
  682. select 64BIT_PHYS_ADDR
  683. select DMA_COHERENT
  684. select SYS_SUPPORTS_64BIT_KERNEL
  685. select SYS_SUPPORTS_BIG_ENDIAN
  686. select SYS_SUPPORTS_HIGHMEM
  687. select SYS_SUPPORTS_HOTPLUG_CPU
  688. select SYS_HAS_EARLY_PRINTK
  689. select SYS_HAS_CPU_CAVIUM_OCTEON
  690. select SWAP_IO_SPACE
  691. select HW_HAS_PCI
  692. select ARCH_SUPPORTS_MSI
  693. select ZONE_DMA32
  694. select USB_ARCH_HAS_OHCI
  695. select USB_ARCH_HAS_EHCI
  696. help
  697. This option supports all of the Octeon reference boards from Cavium
  698. Networks. It builds a kernel that dynamically determines the Octeon
  699. CPU type and supports all known board reference implementations.
  700. Some of the supported boards are:
  701. EBT3000
  702. EBH3000
  703. EBH3100
  704. Thunder
  705. Kodama
  706. Hikari
  707. Say Y here for most Octeon reference boards.
  708. config NLM_XLR_BOARD
  709. bool "Netlogic XLR/XLS based systems"
  710. depends on EXPERIMENTAL
  711. select BOOT_ELF32
  712. select NLM_COMMON
  713. select NLM_XLR
  714. select SYS_HAS_CPU_XLR
  715. select SYS_SUPPORTS_SMP
  716. select HW_HAS_PCI
  717. select SWAP_IO_SPACE
  718. select SYS_SUPPORTS_32BIT_KERNEL
  719. select SYS_SUPPORTS_64BIT_KERNEL
  720. select 64BIT_PHYS_ADDR
  721. select SYS_SUPPORTS_BIG_ENDIAN
  722. select SYS_SUPPORTS_HIGHMEM
  723. select DMA_COHERENT
  724. select NR_CPUS_DEFAULT_32
  725. select CEVT_R4K
  726. select CSRC_R4K
  727. select IRQ_CPU
  728. select ZONE_DMA if 64BIT
  729. select SYNC_R4K
  730. select SYS_HAS_EARLY_PRINTK
  731. help
  732. Support for systems based on Netlogic XLR and XLS processors.
  733. Say Y here if you have a XLR or XLS based board.
  734. endchoice
  735. source "arch/mips/alchemy/Kconfig"
  736. source "arch/mips/ath79/Kconfig"
  737. source "arch/mips/bcm63xx/Kconfig"
  738. source "arch/mips/jazz/Kconfig"
  739. source "arch/mips/jz4740/Kconfig"
  740. source "arch/mips/lantiq/Kconfig"
  741. source "arch/mips/lasat/Kconfig"
  742. source "arch/mips/pmc-sierra/Kconfig"
  743. source "arch/mips/powertv/Kconfig"
  744. source "arch/mips/sgi-ip27/Kconfig"
  745. source "arch/mips/sibyte/Kconfig"
  746. source "arch/mips/txx9/Kconfig"
  747. source "arch/mips/vr41xx/Kconfig"
  748. source "arch/mips/cavium-octeon/Kconfig"
  749. source "arch/mips/loongson/Kconfig"
  750. source "arch/mips/netlogic/Kconfig"
  751. endmenu
  752. config RWSEM_GENERIC_SPINLOCK
  753. bool
  754. default y
  755. config RWSEM_XCHGADD_ALGORITHM
  756. bool
  757. config ARCH_HAS_ILOG2_U32
  758. bool
  759. default n
  760. config ARCH_HAS_ILOG2_U64
  761. bool
  762. default n
  763. config ARCH_SUPPORTS_OPROFILE
  764. bool
  765. default y if !MIPS_MT_SMTC
  766. config GENERIC_HWEIGHT
  767. bool
  768. default y
  769. config GENERIC_CALIBRATE_DELAY
  770. bool
  771. default y
  772. config GENERIC_CLOCKEVENTS
  773. bool
  774. default y
  775. config GENERIC_CMOS_UPDATE
  776. bool
  777. default y
  778. config SCHED_OMIT_FRAME_POINTER
  779. bool
  780. default y
  781. #
  782. # Select some configuration options automatically based on user selections.
  783. #
  784. config ARC
  785. bool
  786. config ARCH_MAY_HAVE_PC_FDC
  787. bool
  788. config BOOT_RAW
  789. bool
  790. config CEVT_BCM1480
  791. bool
  792. config CEVT_DS1287
  793. bool
  794. config CEVT_GT641XX
  795. bool
  796. config CEVT_R4K_LIB
  797. bool
  798. config CEVT_R4K
  799. select CEVT_R4K_LIB
  800. bool
  801. config CEVT_SB1250
  802. bool
  803. config CEVT_TXX9
  804. bool
  805. config CSRC_BCM1480
  806. bool
  807. config CSRC_IOASIC
  808. bool
  809. config CSRC_POWERTV
  810. bool
  811. config CSRC_R4K_LIB
  812. bool
  813. config CSRC_R4K
  814. select CSRC_R4K_LIB
  815. bool
  816. config CSRC_SB1250
  817. bool
  818. config GPIO_TXX9
  819. select GENERIC_GPIO
  820. select ARCH_REQUIRE_GPIOLIB
  821. bool
  822. config CFE
  823. bool
  824. config ARCH_DMA_ADDR_T_64BIT
  825. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  826. config DMA_COHERENT
  827. bool
  828. config DMA_NONCOHERENT
  829. bool
  830. select NEED_DMA_MAP_STATE
  831. config NEED_DMA_MAP_STATE
  832. bool
  833. config SYS_HAS_EARLY_PRINTK
  834. bool
  835. config HOTPLUG_CPU
  836. bool "Support for hot-pluggable CPUs"
  837. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  838. help
  839. Say Y here to allow turning CPUs off and on. CPUs can be
  840. controlled through /sys/devices/system/cpu.
  841. (Note: power management support will enable this option
  842. automatically on SMP systems. )
  843. Say N if you want to disable CPU hotplug.
  844. config SYS_SUPPORTS_HOTPLUG_CPU
  845. bool
  846. config I8259
  847. bool
  848. config MIPS_BONITO64
  849. bool
  850. config MIPS_MSC
  851. bool
  852. config MIPS_NILE4
  853. bool
  854. config MIPS_DISABLE_OBSOLETE_IDE
  855. bool
  856. config SYNC_R4K
  857. bool
  858. config MIPS_MACHINE
  859. def_bool n
  860. config NO_IOPORT
  861. def_bool n
  862. config GENERIC_ISA_DMA
  863. bool
  864. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  865. select ISA_DMA_API
  866. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  867. bool
  868. select GENERIC_ISA_DMA
  869. config ISA_DMA_API
  870. bool
  871. config GENERIC_GPIO
  872. bool
  873. #
  874. # Endianess selection. Sufficiently obscure so many users don't know what to
  875. # answer,so we try hard to limit the available choices. Also the use of a
  876. # choice statement should be more obvious to the user.
  877. #
  878. choice
  879. prompt "Endianess selection"
  880. help
  881. Some MIPS machines can be configured for either little or big endian
  882. byte order. These modes require different kernels and a different
  883. Linux distribution. In general there is one preferred byteorder for a
  884. particular system but some systems are just as commonly used in the
  885. one or the other endianness.
  886. config CPU_BIG_ENDIAN
  887. bool "Big endian"
  888. depends on SYS_SUPPORTS_BIG_ENDIAN
  889. config CPU_LITTLE_ENDIAN
  890. bool "Little endian"
  891. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  892. help
  893. endchoice
  894. config EXPORT_UASM
  895. bool
  896. config SYS_SUPPORTS_APM_EMULATION
  897. bool
  898. config SYS_SUPPORTS_BIG_ENDIAN
  899. bool
  900. config SYS_SUPPORTS_LITTLE_ENDIAN
  901. bool
  902. config SYS_SUPPORTS_HUGETLBFS
  903. bool
  904. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  905. default y
  906. config IRQ_CPU
  907. bool
  908. config IRQ_CPU_RM7K
  909. bool
  910. config IRQ_CPU_RM9K
  911. bool
  912. config IRQ_MSP_SLP
  913. bool
  914. config IRQ_MSP_CIC
  915. bool
  916. config IRQ_TXX9
  917. bool
  918. config IRQ_GT641XX
  919. bool
  920. config IRQ_GIC
  921. bool
  922. config MIPS_BOARDS_GEN
  923. bool
  924. config PCI_GT64XXX_PCI0
  925. bool
  926. config NO_EXCEPT_FILL
  927. bool
  928. config MIPS_RM9122
  929. bool
  930. select SERIAL_RM9000
  931. config SOC_EMMA2RH
  932. bool
  933. select CEVT_R4K
  934. select CSRC_R4K
  935. select DMA_NONCOHERENT
  936. select IRQ_CPU
  937. select SWAP_IO_SPACE
  938. select SYS_HAS_CPU_R5500
  939. select SYS_SUPPORTS_32BIT_KERNEL
  940. select SYS_SUPPORTS_64BIT_KERNEL
  941. select SYS_SUPPORTS_BIG_ENDIAN
  942. config SOC_PNX833X
  943. bool
  944. select CEVT_R4K
  945. select CSRC_R4K
  946. select IRQ_CPU
  947. select DMA_NONCOHERENT
  948. select SYS_HAS_CPU_MIPS32_R2
  949. select SYS_SUPPORTS_32BIT_KERNEL
  950. select SYS_SUPPORTS_LITTLE_ENDIAN
  951. select SYS_SUPPORTS_BIG_ENDIAN
  952. select GENERIC_GPIO
  953. select CPU_MIPSR2_IRQ_VI
  954. config SOC_PNX8335
  955. bool
  956. select SOC_PNX833X
  957. config PNX8550
  958. bool
  959. select SOC_PNX8550
  960. config SOC_PNX8550
  961. bool
  962. select DMA_NONCOHERENT
  963. select HW_HAS_PCI
  964. select SYS_HAS_CPU_MIPS32_R1
  965. select SYS_HAS_EARLY_PRINTK
  966. select SYS_SUPPORTS_32BIT_KERNEL
  967. select GENERIC_GPIO
  968. config SWAP_IO_SPACE
  969. bool
  970. config SERIAL_RM9000
  971. bool
  972. config SGI_HAS_INDYDOG
  973. bool
  974. config SGI_HAS_HAL2
  975. bool
  976. config SGI_HAS_SEEQ
  977. bool
  978. config SGI_HAS_WD93
  979. bool
  980. config SGI_HAS_ZILOG
  981. bool
  982. config SGI_HAS_I8042
  983. bool
  984. config DEFAULT_SGI_PARTITION
  985. bool
  986. config ARC32
  987. bool
  988. config SNIPROM
  989. bool
  990. config BOOT_ELF32
  991. bool
  992. config MIPS_L1_CACHE_SHIFT
  993. int
  994. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  995. default "6" if MIPS_CPU_SCACHE
  996. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  997. default "5"
  998. config HAVE_STD_PC_SERIAL_PORT
  999. bool
  1000. config ARC_CONSOLE
  1001. bool "ARC console support"
  1002. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1003. config ARC_MEMORY
  1004. bool
  1005. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1006. default y
  1007. config ARC_PROMLIB
  1008. bool
  1009. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1010. default y
  1011. config ARC64
  1012. bool
  1013. config BOOT_ELF64
  1014. bool
  1015. menu "CPU selection"
  1016. choice
  1017. prompt "CPU type"
  1018. default CPU_R4X00
  1019. config CPU_LOONGSON2E
  1020. bool "Loongson 2E"
  1021. depends on SYS_HAS_CPU_LOONGSON2E
  1022. select CPU_LOONGSON2
  1023. help
  1024. The Loongson 2E processor implements the MIPS III instruction set
  1025. with many extensions.
  1026. It has an internal FPGA northbridge, which is compatible to
  1027. bonito64.
  1028. config CPU_LOONGSON2F
  1029. bool "Loongson 2F"
  1030. depends on SYS_HAS_CPU_LOONGSON2F
  1031. select CPU_LOONGSON2
  1032. select GENERIC_GPIO
  1033. select ARCH_REQUIRE_GPIOLIB
  1034. help
  1035. The Loongson 2F processor implements the MIPS III instruction set
  1036. with many extensions.
  1037. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1038. have a similar programming interface with FPGA northbridge used in
  1039. Loongson2E.
  1040. config CPU_MIPS32_R1
  1041. bool "MIPS32 Release 1"
  1042. depends on SYS_HAS_CPU_MIPS32_R1
  1043. select CPU_HAS_PREFETCH
  1044. select CPU_SUPPORTS_32BIT_KERNEL
  1045. select CPU_SUPPORTS_HIGHMEM
  1046. help
  1047. Choose this option to build a kernel for release 1 or later of the
  1048. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1049. MIPS processor are based on a MIPS32 processor. If you know the
  1050. specific type of processor in your system, choose those that one
  1051. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1052. Release 2 of the MIPS32 architecture is available since several
  1053. years so chances are you even have a MIPS32 Release 2 processor
  1054. in which case you should choose CPU_MIPS32_R2 instead for better
  1055. performance.
  1056. config CPU_MIPS32_R2
  1057. bool "MIPS32 Release 2"
  1058. depends on SYS_HAS_CPU_MIPS32_R2
  1059. select CPU_HAS_PREFETCH
  1060. select CPU_SUPPORTS_32BIT_KERNEL
  1061. select CPU_SUPPORTS_HIGHMEM
  1062. help
  1063. Choose this option to build a kernel for release 2 or later of the
  1064. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1065. MIPS processor are based on a MIPS32 processor. If you know the
  1066. specific type of processor in your system, choose those that one
  1067. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1068. config CPU_MIPS64_R1
  1069. bool "MIPS64 Release 1"
  1070. depends on SYS_HAS_CPU_MIPS64_R1
  1071. select CPU_HAS_PREFETCH
  1072. select CPU_SUPPORTS_32BIT_KERNEL
  1073. select CPU_SUPPORTS_64BIT_KERNEL
  1074. select CPU_SUPPORTS_HIGHMEM
  1075. select CPU_SUPPORTS_HUGEPAGES
  1076. help
  1077. Choose this option to build a kernel for release 1 or later of the
  1078. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1079. MIPS processor are based on a MIPS64 processor. If you know the
  1080. specific type of processor in your system, choose those that one
  1081. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1082. Release 2 of the MIPS64 architecture is available since several
  1083. years so chances are you even have a MIPS64 Release 2 processor
  1084. in which case you should choose CPU_MIPS64_R2 instead for better
  1085. performance.
  1086. config CPU_MIPS64_R2
  1087. bool "MIPS64 Release 2"
  1088. depends on SYS_HAS_CPU_MIPS64_R2
  1089. select CPU_HAS_PREFETCH
  1090. select CPU_SUPPORTS_32BIT_KERNEL
  1091. select CPU_SUPPORTS_64BIT_KERNEL
  1092. select CPU_SUPPORTS_HIGHMEM
  1093. select CPU_SUPPORTS_HUGEPAGES
  1094. help
  1095. Choose this option to build a kernel for release 2 or later of the
  1096. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1097. MIPS processor are based on a MIPS64 processor. If you know the
  1098. specific type of processor in your system, choose those that one
  1099. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1100. config CPU_R3000
  1101. bool "R3000"
  1102. depends on SYS_HAS_CPU_R3000
  1103. select CPU_HAS_WB
  1104. select CPU_SUPPORTS_32BIT_KERNEL
  1105. select CPU_SUPPORTS_HIGHMEM
  1106. help
  1107. Please make sure to pick the right CPU type. Linux/MIPS is not
  1108. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1109. *not* work on R4000 machines and vice versa. However, since most
  1110. of the supported machines have an R4000 (or similar) CPU, R4x00
  1111. might be a safe bet. If the resulting kernel does not work,
  1112. try to recompile with R3000.
  1113. config CPU_TX39XX
  1114. bool "R39XX"
  1115. depends on SYS_HAS_CPU_TX39XX
  1116. select CPU_SUPPORTS_32BIT_KERNEL
  1117. config CPU_VR41XX
  1118. bool "R41xx"
  1119. depends on SYS_HAS_CPU_VR41XX
  1120. select CPU_SUPPORTS_32BIT_KERNEL
  1121. select CPU_SUPPORTS_64BIT_KERNEL
  1122. help
  1123. The options selects support for the NEC VR4100 series of processors.
  1124. Only choose this option if you have one of these processors as a
  1125. kernel built with this option will not run on any other type of
  1126. processor or vice versa.
  1127. config CPU_R4300
  1128. bool "R4300"
  1129. depends on SYS_HAS_CPU_R4300
  1130. select CPU_SUPPORTS_32BIT_KERNEL
  1131. select CPU_SUPPORTS_64BIT_KERNEL
  1132. help
  1133. MIPS Technologies R4300-series processors.
  1134. config CPU_R4X00
  1135. bool "R4x00"
  1136. depends on SYS_HAS_CPU_R4X00
  1137. select CPU_SUPPORTS_32BIT_KERNEL
  1138. select CPU_SUPPORTS_64BIT_KERNEL
  1139. help
  1140. MIPS Technologies R4000-series processors other than 4300, including
  1141. the R4000, R4400, R4600, and 4700.
  1142. config CPU_TX49XX
  1143. bool "R49XX"
  1144. depends on SYS_HAS_CPU_TX49XX
  1145. select CPU_HAS_PREFETCH
  1146. select CPU_SUPPORTS_32BIT_KERNEL
  1147. select CPU_SUPPORTS_64BIT_KERNEL
  1148. config CPU_R5000
  1149. bool "R5000"
  1150. depends on SYS_HAS_CPU_R5000
  1151. select CPU_SUPPORTS_32BIT_KERNEL
  1152. select CPU_SUPPORTS_64BIT_KERNEL
  1153. help
  1154. MIPS Technologies R5000-series processors other than the Nevada.
  1155. config CPU_R5432
  1156. bool "R5432"
  1157. depends on SYS_HAS_CPU_R5432
  1158. select CPU_SUPPORTS_32BIT_KERNEL
  1159. select CPU_SUPPORTS_64BIT_KERNEL
  1160. config CPU_R5500
  1161. bool "R5500"
  1162. depends on SYS_HAS_CPU_R5500
  1163. select CPU_SUPPORTS_32BIT_KERNEL
  1164. select CPU_SUPPORTS_64BIT_KERNEL
  1165. select CPU_SUPPORTS_HUGEPAGES
  1166. help
  1167. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1168. instruction set.
  1169. config CPU_R6000
  1170. bool "R6000"
  1171. depends on EXPERIMENTAL
  1172. depends on SYS_HAS_CPU_R6000
  1173. select CPU_SUPPORTS_32BIT_KERNEL
  1174. help
  1175. MIPS Technologies R6000 and R6000A series processors. Note these
  1176. processors are extremely rare and the support for them is incomplete.
  1177. config CPU_NEVADA
  1178. bool "RM52xx"
  1179. depends on SYS_HAS_CPU_NEVADA
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. select CPU_SUPPORTS_64BIT_KERNEL
  1182. help
  1183. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1184. config CPU_R8000
  1185. bool "R8000"
  1186. depends on EXPERIMENTAL
  1187. depends on SYS_HAS_CPU_R8000
  1188. select CPU_HAS_PREFETCH
  1189. select CPU_SUPPORTS_64BIT_KERNEL
  1190. help
  1191. MIPS Technologies R8000 processors. Note these processors are
  1192. uncommon and the support for them is incomplete.
  1193. config CPU_R10000
  1194. bool "R10000"
  1195. depends on SYS_HAS_CPU_R10000
  1196. select CPU_HAS_PREFETCH
  1197. select CPU_SUPPORTS_32BIT_KERNEL
  1198. select CPU_SUPPORTS_64BIT_KERNEL
  1199. select CPU_SUPPORTS_HIGHMEM
  1200. help
  1201. MIPS Technologies R10000-series processors.
  1202. config CPU_RM7000
  1203. bool "RM7000"
  1204. depends on SYS_HAS_CPU_RM7000
  1205. select CPU_HAS_PREFETCH
  1206. select CPU_SUPPORTS_32BIT_KERNEL
  1207. select CPU_SUPPORTS_64BIT_KERNEL
  1208. select CPU_SUPPORTS_HIGHMEM
  1209. config CPU_RM9000
  1210. bool "RM9000"
  1211. depends on SYS_HAS_CPU_RM9000
  1212. select CPU_HAS_PREFETCH
  1213. select CPU_SUPPORTS_32BIT_KERNEL
  1214. select CPU_SUPPORTS_64BIT_KERNEL
  1215. select CPU_SUPPORTS_HIGHMEM
  1216. select WEAK_ORDERING
  1217. config CPU_SB1
  1218. bool "SB1"
  1219. depends on SYS_HAS_CPU_SB1
  1220. select CPU_SUPPORTS_32BIT_KERNEL
  1221. select CPU_SUPPORTS_64BIT_KERNEL
  1222. select CPU_SUPPORTS_HIGHMEM
  1223. select WEAK_ORDERING
  1224. config CPU_CAVIUM_OCTEON
  1225. bool "Cavium Octeon processor"
  1226. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1227. select CPU_HAS_PREFETCH
  1228. select CPU_SUPPORTS_64BIT_KERNEL
  1229. select SYS_SUPPORTS_SMP
  1230. select NR_CPUS_DEFAULT_16
  1231. select WEAK_ORDERING
  1232. select CPU_SUPPORTS_HIGHMEM
  1233. select CPU_SUPPORTS_HUGEPAGES
  1234. help
  1235. The Cavium Octeon processor is a highly integrated chip containing
  1236. many ethernet hardware widgets for networking tasks. The processor
  1237. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1238. Full details can be found at http://www.caviumnetworks.com.
  1239. config CPU_BMIPS3300
  1240. bool "BMIPS3300"
  1241. depends on SYS_HAS_CPU_BMIPS3300
  1242. select DMA_NONCOHERENT
  1243. select IRQ_CPU
  1244. select SWAP_IO_SPACE
  1245. select SYS_SUPPORTS_32BIT_KERNEL
  1246. select WEAK_ORDERING
  1247. help
  1248. Broadcom BMIPS3300 processors.
  1249. config CPU_BMIPS4350
  1250. bool "BMIPS4350"
  1251. depends on SYS_HAS_CPU_BMIPS4350
  1252. select CPU_SUPPORTS_32BIT_KERNEL
  1253. select DMA_NONCOHERENT
  1254. select IRQ_CPU
  1255. select SWAP_IO_SPACE
  1256. select SYS_SUPPORTS_SMP
  1257. select SYS_SUPPORTS_HOTPLUG_CPU
  1258. select WEAK_ORDERING
  1259. help
  1260. Broadcom BMIPS4350 ("VIPER") processors.
  1261. config CPU_BMIPS4380
  1262. bool "BMIPS4380"
  1263. depends on SYS_HAS_CPU_BMIPS4380
  1264. select CPU_SUPPORTS_32BIT_KERNEL
  1265. select DMA_NONCOHERENT
  1266. select IRQ_CPU
  1267. select SWAP_IO_SPACE
  1268. select SYS_SUPPORTS_SMP
  1269. select SYS_SUPPORTS_HOTPLUG_CPU
  1270. select WEAK_ORDERING
  1271. help
  1272. Broadcom BMIPS4380 processors.
  1273. config CPU_BMIPS5000
  1274. bool "BMIPS5000"
  1275. depends on SYS_HAS_CPU_BMIPS5000
  1276. select CPU_SUPPORTS_32BIT_KERNEL
  1277. select CPU_SUPPORTS_HIGHMEM
  1278. select DMA_NONCOHERENT
  1279. select IRQ_CPU
  1280. select SWAP_IO_SPACE
  1281. select SYS_SUPPORTS_SMP
  1282. select SYS_SUPPORTS_HOTPLUG_CPU
  1283. select WEAK_ORDERING
  1284. help
  1285. Broadcom BMIPS5000 processors.
  1286. config CPU_XLR
  1287. bool "Netlogic XLR SoC"
  1288. depends on SYS_HAS_CPU_XLR
  1289. select CPU_SUPPORTS_32BIT_KERNEL
  1290. select CPU_SUPPORTS_64BIT_KERNEL
  1291. select CPU_SUPPORTS_HIGHMEM
  1292. select WEAK_ORDERING
  1293. select WEAK_REORDERING_BEYOND_LLSC
  1294. select CPU_SUPPORTS_HUGEPAGES
  1295. help
  1296. Netlogic Microsystems XLR/XLS processors.
  1297. endchoice
  1298. if CPU_LOONGSON2F
  1299. config CPU_NOP_WORKAROUNDS
  1300. bool
  1301. config CPU_JUMP_WORKAROUNDS
  1302. bool
  1303. config CPU_LOONGSON2F_WORKAROUNDS
  1304. bool "Loongson 2F Workarounds"
  1305. default y
  1306. select CPU_NOP_WORKAROUNDS
  1307. select CPU_JUMP_WORKAROUNDS
  1308. help
  1309. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1310. require workarounds. Without workarounds the system may hang
  1311. unexpectedly. For more information please refer to the gas
  1312. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1313. Loongson 2F03 and later have fixed these issues and no workarounds
  1314. are needed. The workarounds have no significant side effect on them
  1315. but may decrease the performance of the system so this option should
  1316. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1317. systems.
  1318. If unsure, please say Y.
  1319. endif # CPU_LOONGSON2F
  1320. config SYS_SUPPORTS_ZBOOT
  1321. bool
  1322. select HAVE_KERNEL_GZIP
  1323. select HAVE_KERNEL_BZIP2
  1324. select HAVE_KERNEL_LZMA
  1325. select HAVE_KERNEL_LZO
  1326. config SYS_SUPPORTS_ZBOOT_UART16550
  1327. bool
  1328. select SYS_SUPPORTS_ZBOOT
  1329. config CPU_LOONGSON2
  1330. bool
  1331. select CPU_SUPPORTS_32BIT_KERNEL
  1332. select CPU_SUPPORTS_64BIT_KERNEL
  1333. select CPU_SUPPORTS_HIGHMEM
  1334. config SYS_HAS_CPU_LOONGSON2E
  1335. bool
  1336. config SYS_HAS_CPU_LOONGSON2F
  1337. bool
  1338. select CPU_SUPPORTS_CPUFREQ
  1339. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1340. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1341. config SYS_HAS_CPU_MIPS32_R1
  1342. bool
  1343. config SYS_HAS_CPU_MIPS32_R2
  1344. bool
  1345. config SYS_HAS_CPU_MIPS64_R1
  1346. bool
  1347. config SYS_HAS_CPU_MIPS64_R2
  1348. bool
  1349. config SYS_HAS_CPU_R3000
  1350. bool
  1351. config SYS_HAS_CPU_TX39XX
  1352. bool
  1353. config SYS_HAS_CPU_VR41XX
  1354. bool
  1355. config SYS_HAS_CPU_R4300
  1356. bool
  1357. config SYS_HAS_CPU_R4X00
  1358. bool
  1359. config SYS_HAS_CPU_TX49XX
  1360. bool
  1361. config SYS_HAS_CPU_R5000
  1362. bool
  1363. config SYS_HAS_CPU_R5432
  1364. bool
  1365. config SYS_HAS_CPU_R5500
  1366. bool
  1367. config SYS_HAS_CPU_R6000
  1368. bool
  1369. config SYS_HAS_CPU_NEVADA
  1370. bool
  1371. config SYS_HAS_CPU_R8000
  1372. bool
  1373. config SYS_HAS_CPU_R10000
  1374. bool
  1375. config SYS_HAS_CPU_RM7000
  1376. bool
  1377. config SYS_HAS_CPU_RM9000
  1378. bool
  1379. config SYS_HAS_CPU_SB1
  1380. bool
  1381. config SYS_HAS_CPU_CAVIUM_OCTEON
  1382. bool
  1383. config SYS_HAS_CPU_BMIPS3300
  1384. bool
  1385. config SYS_HAS_CPU_BMIPS4350
  1386. bool
  1387. config SYS_HAS_CPU_BMIPS4380
  1388. bool
  1389. config SYS_HAS_CPU_BMIPS5000
  1390. bool
  1391. config SYS_HAS_CPU_XLR
  1392. bool
  1393. #
  1394. # CPU may reorder R->R, R->W, W->R, W->W
  1395. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1396. #
  1397. config WEAK_ORDERING
  1398. bool
  1399. #
  1400. # CPU may reorder reads and writes beyond LL/SC
  1401. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1402. #
  1403. config WEAK_REORDERING_BEYOND_LLSC
  1404. bool
  1405. endmenu
  1406. #
  1407. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1408. #
  1409. config CPU_MIPS32
  1410. bool
  1411. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1412. config CPU_MIPS64
  1413. bool
  1414. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1415. #
  1416. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1417. #
  1418. config CPU_MIPSR1
  1419. bool
  1420. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1421. config CPU_MIPSR2
  1422. bool
  1423. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1424. config SYS_SUPPORTS_32BIT_KERNEL
  1425. bool
  1426. config SYS_SUPPORTS_64BIT_KERNEL
  1427. bool
  1428. config CPU_SUPPORTS_32BIT_KERNEL
  1429. bool
  1430. config CPU_SUPPORTS_64BIT_KERNEL
  1431. bool
  1432. config CPU_SUPPORTS_CPUFREQ
  1433. bool
  1434. config CPU_SUPPORTS_ADDRWINCFG
  1435. bool
  1436. config CPU_SUPPORTS_HUGEPAGES
  1437. bool
  1438. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1439. bool
  1440. config MIPS_PGD_C0_CONTEXT
  1441. bool
  1442. default y if 64BIT && CPU_MIPSR2
  1443. #
  1444. # Set to y for ptrace access to watch registers.
  1445. #
  1446. config HARDWARE_WATCHPOINTS
  1447. bool
  1448. default y if CPU_MIPSR1 || CPU_MIPSR2
  1449. menu "Kernel type"
  1450. choice
  1451. prompt "Kernel code model"
  1452. help
  1453. You should only select this option if you have a workload that
  1454. actually benefits from 64-bit processing or if your machine has
  1455. large memory. You will only be presented a single option in this
  1456. menu if your system does not support both 32-bit and 64-bit kernels.
  1457. config 32BIT
  1458. bool "32-bit kernel"
  1459. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1460. select TRAD_SIGNALS
  1461. help
  1462. Select this option if you want to build a 32-bit kernel.
  1463. config 64BIT
  1464. bool "64-bit kernel"
  1465. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1466. select HAVE_SYSCALL_WRAPPERS
  1467. help
  1468. Select this option if you want to build a 64-bit kernel.
  1469. endchoice
  1470. choice
  1471. prompt "Kernel page size"
  1472. default PAGE_SIZE_4KB
  1473. config PAGE_SIZE_4KB
  1474. bool "4kB"
  1475. depends on !CPU_LOONGSON2
  1476. help
  1477. This option select the standard 4kB Linux page size. On some
  1478. R3000-family processors this is the only available page size. Using
  1479. 4kB page size will minimize memory consumption and is therefore
  1480. recommended for low memory systems.
  1481. config PAGE_SIZE_8KB
  1482. bool "8kB"
  1483. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1484. help
  1485. Using 8kB page size will result in higher performance kernel at
  1486. the price of higher memory consumption. This option is available
  1487. only on R8000 and cnMIPS processors. Note that you will need a
  1488. suitable Linux distribution to support this.
  1489. config PAGE_SIZE_16KB
  1490. bool "16kB"
  1491. depends on !CPU_R3000 && !CPU_TX39XX
  1492. help
  1493. Using 16kB page size will result in higher performance kernel at
  1494. the price of higher memory consumption. This option is available on
  1495. all non-R3000 family processors. Note that you will need a suitable
  1496. Linux distribution to support this.
  1497. config PAGE_SIZE_32KB
  1498. bool "32kB"
  1499. depends on CPU_CAVIUM_OCTEON
  1500. help
  1501. Using 32kB page size will result in higher performance kernel at
  1502. the price of higher memory consumption. This option is available
  1503. only on cnMIPS cores. Note that you will need a suitable Linux
  1504. distribution to support this.
  1505. config PAGE_SIZE_64KB
  1506. bool "64kB"
  1507. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1508. help
  1509. Using 64kB page size will result in higher performance kernel at
  1510. the price of higher memory consumption. This option is available on
  1511. all non-R3000 family processor. Not that at the time of this
  1512. writing this option is still high experimental.
  1513. endchoice
  1514. config FORCE_MAX_ZONEORDER
  1515. int "Maximum zone order"
  1516. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1517. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1518. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1519. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1520. range 11 64
  1521. default "11"
  1522. help
  1523. The kernel memory allocator divides physically contiguous memory
  1524. blocks into "zones", where each zone is a power of two number of
  1525. pages. This option selects the largest power of two that the kernel
  1526. keeps in the memory allocator. If you need to allocate very large
  1527. blocks of physically contiguous memory, then you may need to
  1528. increase this value.
  1529. This config option is actually maximum order plus one. For example,
  1530. a value of 11 means that the largest free memory block is 2^10 pages.
  1531. The page size is not necessarily 4KB. Keep this in mind
  1532. when choosing a value for this option.
  1533. config BOARD_SCACHE
  1534. bool
  1535. config IP22_CPU_SCACHE
  1536. bool
  1537. select BOARD_SCACHE
  1538. #
  1539. # Support for a MIPS32 / MIPS64 style S-caches
  1540. #
  1541. config MIPS_CPU_SCACHE
  1542. bool
  1543. select BOARD_SCACHE
  1544. config R5000_CPU_SCACHE
  1545. bool
  1546. select BOARD_SCACHE
  1547. config RM7000_CPU_SCACHE
  1548. bool
  1549. select BOARD_SCACHE
  1550. config SIBYTE_DMA_PAGEOPS
  1551. bool "Use DMA to clear/copy pages"
  1552. depends on CPU_SB1
  1553. help
  1554. Instead of using the CPU to zero and copy pages, use a Data Mover
  1555. channel. These DMA channels are otherwise unused by the standard
  1556. SiByte Linux port. Seems to give a small performance benefit.
  1557. config CPU_HAS_PREFETCH
  1558. bool
  1559. choice
  1560. prompt "MIPS MT options"
  1561. config MIPS_MT_DISABLED
  1562. bool "Disable multithreading support."
  1563. help
  1564. Use this option if your workload can't take advantage of
  1565. MIPS hardware multithreading support. On systems that don't have
  1566. the option of an MT-enabled processor this option will be the only
  1567. option in this menu.
  1568. config MIPS_MT_SMP
  1569. bool "Use 1 TC on each available VPE for SMP"
  1570. depends on SYS_SUPPORTS_MULTITHREADING
  1571. select CPU_MIPSR2_IRQ_VI
  1572. select CPU_MIPSR2_IRQ_EI
  1573. select MIPS_MT
  1574. select NR_CPUS_DEFAULT_2
  1575. select SMP
  1576. select SYS_SUPPORTS_SCHED_SMT if SMP
  1577. select SYS_SUPPORTS_SMP
  1578. select SMP_UP
  1579. help
  1580. This is a kernel model which is known a VSMP but lately has been
  1581. marketesed into SMVP.
  1582. Virtual SMP uses the processor's VPEs to implement virtual
  1583. processors. In currently available configuration of the 34K processor
  1584. this allows for a dual processor. Both processors will share the same
  1585. primary caches; each will obtain the half of the TLB for it's own
  1586. exclusive use. For a layman this model can be described as similar to
  1587. what Intel calls Hyperthreading.
  1588. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1589. config MIPS_MT_SMTC
  1590. bool "SMTC: Use all TCs on all VPEs for SMP"
  1591. depends on CPU_MIPS32_R2
  1592. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1593. depends on SYS_SUPPORTS_MULTITHREADING
  1594. select CPU_MIPSR2_IRQ_VI
  1595. select CPU_MIPSR2_IRQ_EI
  1596. select MIPS_MT
  1597. select NR_CPUS_DEFAULT_8
  1598. select SMP
  1599. select SYS_SUPPORTS_SMP
  1600. select SMP_UP
  1601. help
  1602. This is a kernel model which is known a SMTC or lately has been
  1603. marketesed into SMVP.
  1604. is presenting the available TC's of the core as processors to Linux.
  1605. On currently available 34K processors this means a Linux system will
  1606. see up to 5 processors. The implementation of the SMTC kernel differs
  1607. significantly from VSMP and cannot efficiently coexist in the same
  1608. kernel binary so the choice between VSMP and SMTC is a compile time
  1609. decision.
  1610. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1611. endchoice
  1612. config MIPS_MT
  1613. bool
  1614. config SCHED_SMT
  1615. bool "SMT (multithreading) scheduler support"
  1616. depends on SYS_SUPPORTS_SCHED_SMT
  1617. default n
  1618. help
  1619. SMT scheduler support improves the CPU scheduler's decision making
  1620. when dealing with MIPS MT enabled cores at a cost of slightly
  1621. increased overhead in some places. If unsure say N here.
  1622. config SYS_SUPPORTS_SCHED_SMT
  1623. bool
  1624. config SYS_SUPPORTS_MULTITHREADING
  1625. bool
  1626. config MIPS_MT_FPAFF
  1627. bool "Dynamic FPU affinity for FP-intensive threads"
  1628. default y
  1629. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1630. config MIPS_VPE_LOADER
  1631. bool "VPE loader support."
  1632. depends on SYS_SUPPORTS_MULTITHREADING
  1633. select CPU_MIPSR2_IRQ_VI
  1634. select CPU_MIPSR2_IRQ_EI
  1635. select MIPS_MT
  1636. help
  1637. Includes a loader for loading an elf relocatable object
  1638. onto another VPE and running it.
  1639. config MIPS_MT_SMTC_IM_BACKSTOP
  1640. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1641. depends on MIPS_MT_SMTC
  1642. default n
  1643. help
  1644. To support multiple TC microthreads acting as "CPUs" within
  1645. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1646. during interrupt handling. To support legacy drivers and interrupt
  1647. controller management code, SMTC has a "backstop" to track and
  1648. if necessary restore the interrupt mask. This has some performance
  1649. impact on interrupt service overhead.
  1650. config MIPS_MT_SMTC_IRQAFF
  1651. bool "Support IRQ affinity API"
  1652. depends on MIPS_MT_SMTC
  1653. default n
  1654. help
  1655. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1656. for SMTC Linux kernel. Requires platform support, of which
  1657. an example can be found in the MIPS kernel i8259 and Malta
  1658. platform code. Adds some overhead to interrupt dispatch, and
  1659. should be used only if you know what you are doing.
  1660. config MIPS_VPE_LOADER_TOM
  1661. bool "Load VPE program into memory hidden from linux"
  1662. depends on MIPS_VPE_LOADER
  1663. default y
  1664. help
  1665. The loader can use memory that is present but has been hidden from
  1666. Linux using the kernel command line option "mem=xxMB". It's up to
  1667. you to ensure the amount you put in the option and the space your
  1668. program requires is less or equal to the amount physically present.
  1669. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1670. config MIPS_VPE_APSP_API
  1671. bool "Enable support for AP/SP API (RTLX)"
  1672. depends on MIPS_VPE_LOADER
  1673. help
  1674. config MIPS_APSP_KSPD
  1675. bool "Enable KSPD"
  1676. depends on MIPS_VPE_APSP_API
  1677. default y
  1678. help
  1679. KSPD is a kernel daemon that accepts syscall requests from the SP
  1680. side, actions them and returns the results. It also handles the
  1681. "exit" syscall notifying other kernel modules the SP program is
  1682. exiting. You probably want to say yes here.
  1683. config MIPS_CMP
  1684. bool "MIPS CMP framework support"
  1685. depends on SYS_SUPPORTS_MIPS_CMP
  1686. select SYNC_R4K
  1687. select SYS_SUPPORTS_SMP
  1688. select SYS_SUPPORTS_SCHED_SMT if SMP
  1689. select WEAK_ORDERING
  1690. default n
  1691. help
  1692. This is a placeholder option for the GCMP work. It will need to
  1693. be handled differently...
  1694. config SB1_PASS_1_WORKAROUNDS
  1695. bool
  1696. depends on CPU_SB1_PASS_1
  1697. default y
  1698. config SB1_PASS_2_WORKAROUNDS
  1699. bool
  1700. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1701. default y
  1702. config SB1_PASS_2_1_WORKAROUNDS
  1703. bool
  1704. depends on CPU_SB1 && CPU_SB1_PASS_2
  1705. default y
  1706. config 64BIT_PHYS_ADDR
  1707. bool
  1708. config ARCH_PHYS_ADDR_T_64BIT
  1709. def_bool 64BIT_PHYS_ADDR
  1710. config CPU_HAS_SMARTMIPS
  1711. depends on SYS_SUPPORTS_SMARTMIPS
  1712. bool "Support for the SmartMIPS ASE"
  1713. help
  1714. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1715. increased security at both hardware and software level for
  1716. smartcards. Enabling this option will allow proper use of the
  1717. SmartMIPS instructions by Linux applications. However a kernel with
  1718. this option will not work on a MIPS core without SmartMIPS core. If
  1719. you don't know you probably don't have SmartMIPS and should say N
  1720. here.
  1721. config CPU_HAS_WB
  1722. bool
  1723. #
  1724. # Vectored interrupt mode is an R2 feature
  1725. #
  1726. config CPU_MIPSR2_IRQ_VI
  1727. bool
  1728. #
  1729. # Extended interrupt mode is an R2 feature
  1730. #
  1731. config CPU_MIPSR2_IRQ_EI
  1732. bool
  1733. config CPU_HAS_SYNC
  1734. bool
  1735. depends on !CPU_R3000
  1736. default y
  1737. config GENERIC_CLOCKEVENTS_BROADCAST
  1738. bool
  1739. #
  1740. # CPU non-features
  1741. #
  1742. config CPU_DADDI_WORKAROUNDS
  1743. bool
  1744. config CPU_R4000_WORKAROUNDS
  1745. bool
  1746. select CPU_R4400_WORKAROUNDS
  1747. config CPU_R4400_WORKAROUNDS
  1748. bool
  1749. #
  1750. # - Highmem only makes sense for the 32-bit kernel.
  1751. # - The current highmem code will only work properly on physically indexed
  1752. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1753. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1754. # moment we protect the user and offer the highmem option only on machines
  1755. # where it's known to be safe. This will not offer highmem on a few systems
  1756. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1757. # indexed CPUs but we're playing safe.
  1758. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1759. # know they might have memory configurations that could make use of highmem
  1760. # support.
  1761. #
  1762. config HIGHMEM
  1763. bool "High Memory Support"
  1764. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1765. config CPU_SUPPORTS_HIGHMEM
  1766. bool
  1767. config SYS_SUPPORTS_HIGHMEM
  1768. bool
  1769. config SYS_SUPPORTS_SMARTMIPS
  1770. bool
  1771. config ARCH_FLATMEM_ENABLE
  1772. def_bool y
  1773. depends on !NUMA && !CPU_LOONGSON2
  1774. config ARCH_DISCONTIGMEM_ENABLE
  1775. bool
  1776. default y if SGI_IP27
  1777. help
  1778. Say Y to support efficient handling of discontiguous physical memory,
  1779. for architectures which are either NUMA (Non-Uniform Memory Access)
  1780. or have huge holes in the physical address space for other reasons.
  1781. See <file:Documentation/vm/numa> for more.
  1782. config ARCH_POPULATES_NODE_MAP
  1783. def_bool y
  1784. config ARCH_SPARSEMEM_ENABLE
  1785. bool
  1786. select SPARSEMEM_STATIC
  1787. config NUMA
  1788. bool "NUMA Support"
  1789. depends on SYS_SUPPORTS_NUMA
  1790. help
  1791. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1792. Access). This option improves performance on systems with more
  1793. than two nodes; on two node systems it is generally better to
  1794. leave it disabled; on single node systems disable this option
  1795. disabled.
  1796. config SYS_SUPPORTS_NUMA
  1797. bool
  1798. config NODES_SHIFT
  1799. int
  1800. default "6"
  1801. depends on NEED_MULTIPLE_NODES
  1802. config HW_PERF_EVENTS
  1803. bool "Enable hardware performance counter support for perf events"
  1804. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
  1805. default y
  1806. help
  1807. Enable hardware performance counter support for perf events. If
  1808. disabled, perf events will use software events only.
  1809. source "mm/Kconfig"
  1810. config SMP
  1811. bool "Multi-Processing support"
  1812. depends on SYS_SUPPORTS_SMP
  1813. select IRQ_PER_CPU
  1814. select USE_GENERIC_SMP_HELPERS
  1815. help
  1816. This enables support for systems with more than one CPU. If you have
  1817. a system with only one CPU, like most personal computers, say N. If
  1818. you have a system with more than one CPU, say Y.
  1819. If you say N here, the kernel will run on single and multiprocessor
  1820. machines, but will use only one CPU of a multiprocessor machine. If
  1821. you say Y here, the kernel will run on many, but not all,
  1822. singleprocessor machines. On a singleprocessor machine, the kernel
  1823. will run faster if you say N here.
  1824. People using multiprocessor machines who say Y here should also say
  1825. Y to "Enhanced Real Time Clock Support", below.
  1826. See also the SMP-HOWTO available at
  1827. <http://www.tldp.org/docs.html#howto>.
  1828. If you don't know what to do here, say N.
  1829. config SMP_UP
  1830. bool
  1831. config SYS_SUPPORTS_MIPS_CMP
  1832. bool
  1833. config SYS_SUPPORTS_SMP
  1834. bool
  1835. config NR_CPUS_DEFAULT_1
  1836. bool
  1837. config NR_CPUS_DEFAULT_2
  1838. bool
  1839. config NR_CPUS_DEFAULT_4
  1840. bool
  1841. config NR_CPUS_DEFAULT_8
  1842. bool
  1843. config NR_CPUS_DEFAULT_16
  1844. bool
  1845. config NR_CPUS_DEFAULT_32
  1846. bool
  1847. config NR_CPUS_DEFAULT_64
  1848. bool
  1849. config NR_CPUS
  1850. int "Maximum number of CPUs (2-64)"
  1851. range 1 64 if NR_CPUS_DEFAULT_1
  1852. depends on SMP
  1853. default "1" if NR_CPUS_DEFAULT_1
  1854. default "2" if NR_CPUS_DEFAULT_2
  1855. default "4" if NR_CPUS_DEFAULT_4
  1856. default "8" if NR_CPUS_DEFAULT_8
  1857. default "16" if NR_CPUS_DEFAULT_16
  1858. default "32" if NR_CPUS_DEFAULT_32
  1859. default "64" if NR_CPUS_DEFAULT_64
  1860. help
  1861. This allows you to specify the maximum number of CPUs which this
  1862. kernel will support. The maximum supported value is 32 for 32-bit
  1863. kernel and 64 for 64-bit kernels; the minimum value which makes
  1864. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1865. and 2 for all others.
  1866. This is purely to save memory - each supported CPU adds
  1867. approximately eight kilobytes to the kernel image. For best
  1868. performance should round up your number of processors to the next
  1869. power of two.
  1870. source "kernel/time/Kconfig"
  1871. #
  1872. # Timer Interrupt Frequency Configuration
  1873. #
  1874. choice
  1875. prompt "Timer frequency"
  1876. default HZ_250
  1877. help
  1878. Allows the configuration of the timer frequency.
  1879. config HZ_48
  1880. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1881. config HZ_100
  1882. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1883. config HZ_128
  1884. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1885. config HZ_250
  1886. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1887. config HZ_256
  1888. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1889. config HZ_1000
  1890. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1891. config HZ_1024
  1892. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1893. endchoice
  1894. config SYS_SUPPORTS_48HZ
  1895. bool
  1896. config SYS_SUPPORTS_100HZ
  1897. bool
  1898. config SYS_SUPPORTS_128HZ
  1899. bool
  1900. config SYS_SUPPORTS_250HZ
  1901. bool
  1902. config SYS_SUPPORTS_256HZ
  1903. bool
  1904. config SYS_SUPPORTS_1000HZ
  1905. bool
  1906. config SYS_SUPPORTS_1024HZ
  1907. bool
  1908. config SYS_SUPPORTS_ARBIT_HZ
  1909. bool
  1910. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1911. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1912. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1913. !SYS_SUPPORTS_1024HZ
  1914. config HZ
  1915. int
  1916. default 48 if HZ_48
  1917. default 100 if HZ_100
  1918. default 128 if HZ_128
  1919. default 250 if HZ_250
  1920. default 256 if HZ_256
  1921. default 1000 if HZ_1000
  1922. default 1024 if HZ_1024
  1923. source "kernel/Kconfig.preempt"
  1924. config MIPS_INSANE_LARGE
  1925. bool "Support for large 64-bit configurations"
  1926. depends on CPU_R10000 && 64BIT
  1927. help
  1928. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1929. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1930. need processes of more than 1TB virtual address space, say Y here.
  1931. This will result in additional memory usage, so it is not
  1932. recommended for normal users.
  1933. config KEXEC
  1934. bool "Kexec system call (EXPERIMENTAL)"
  1935. depends on EXPERIMENTAL
  1936. help
  1937. kexec is a system call that implements the ability to shutdown your
  1938. current kernel, and to start another kernel. It is like a reboot
  1939. but it is independent of the system firmware. And like a reboot
  1940. you can start any kernel with it, not just Linux.
  1941. The name comes from the similarity to the exec system call.
  1942. It is an ongoing process to be certain the hardware in a machine
  1943. is properly shutdown, so do not be surprised if this code does not
  1944. initially work for you. It may help to enable device hotplugging
  1945. support. As of this writing the exact hardware interface is
  1946. strongly in flux, so no good recommendation can be made.
  1947. config SECCOMP
  1948. bool "Enable seccomp to safely compute untrusted bytecode"
  1949. depends on PROC_FS
  1950. default y
  1951. help
  1952. This kernel feature is useful for number crunching applications
  1953. that may need to compute untrusted bytecode during their
  1954. execution. By using pipes or other transports made available to
  1955. the process as file descriptors supporting the read/write
  1956. syscalls, it's possible to isolate those applications in
  1957. their own address space using seccomp. Once seccomp is
  1958. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1959. and the task is only allowed to execute a few safe syscalls
  1960. defined by each seccomp mode.
  1961. If unsure, say Y. Only embedded should say N here.
  1962. config USE_OF
  1963. bool "Flattened Device Tree support"
  1964. select OF
  1965. select OF_EARLY_FLATTREE
  1966. help
  1967. Include support for flattened device tree machine descriptions.
  1968. endmenu
  1969. config LOCKDEP_SUPPORT
  1970. bool
  1971. default y
  1972. config STACKTRACE_SUPPORT
  1973. bool
  1974. default y
  1975. source "init/Kconfig"
  1976. source "kernel/Kconfig.freezer"
  1977. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1978. config HW_HAS_EISA
  1979. bool
  1980. config HW_HAS_PCI
  1981. bool
  1982. config PCI
  1983. bool "Support for PCI controller"
  1984. depends on HW_HAS_PCI
  1985. select PCI_DOMAINS
  1986. help
  1987. Find out whether you have a PCI motherboard. PCI is the name of a
  1988. bus system, i.e. the way the CPU talks to the other stuff inside
  1989. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1990. say Y, otherwise N.
  1991. config PCI_DOMAINS
  1992. bool
  1993. source "drivers/pci/Kconfig"
  1994. #
  1995. # ISA support is now enabled via select. Too many systems still have the one
  1996. # or other ISA chip on the board that users don't know about so don't expect
  1997. # users to choose the right thing ...
  1998. #
  1999. config ISA
  2000. bool
  2001. config EISA
  2002. bool "EISA support"
  2003. depends on HW_HAS_EISA
  2004. select ISA
  2005. select GENERIC_ISA_DMA
  2006. ---help---
  2007. The Extended Industry Standard Architecture (EISA) bus was
  2008. developed as an open alternative to the IBM MicroChannel bus.
  2009. The EISA bus provided some of the features of the IBM MicroChannel
  2010. bus while maintaining backward compatibility with cards made for
  2011. the older ISA bus. The EISA bus saw limited use between 1988 and
  2012. 1995 when it was made obsolete by the PCI bus.
  2013. Say Y here if you are building a kernel for an EISA-based machine.
  2014. Otherwise, say N.
  2015. source "drivers/eisa/Kconfig"
  2016. config TC
  2017. bool "TURBOchannel support"
  2018. depends on MACH_DECSTATION
  2019. help
  2020. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2021. processors. TURBOchannel programming specifications are available
  2022. at:
  2023. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2024. and:
  2025. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2026. Linux driver support status is documented at:
  2027. <http://www.linux-mips.org/wiki/DECstation>
  2028. #config ACCESSBUS
  2029. # bool "Access.Bus support"
  2030. # depends on TC
  2031. config MMU
  2032. bool
  2033. default y
  2034. config I8253
  2035. bool
  2036. select CLKSRC_I8253
  2037. select MIPS_EXTERNAL_TIMER
  2038. config ZONE_DMA32
  2039. bool
  2040. source "drivers/pcmcia/Kconfig"
  2041. source "drivers/pci/hotplug/Kconfig"
  2042. config RAPIDIO
  2043. bool "RapidIO support"
  2044. depends on PCI
  2045. default n
  2046. help
  2047. If you say Y here, the kernel will include drivers and
  2048. infrastructure code to support RapidIO interconnect devices.
  2049. source "drivers/rapidio/Kconfig"
  2050. endmenu
  2051. menu "Executable file formats"
  2052. source "fs/Kconfig.binfmt"
  2053. config TRAD_SIGNALS
  2054. bool
  2055. config MIPS32_COMPAT
  2056. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2057. depends on 64BIT
  2058. help
  2059. Select this option if you want Linux/MIPS 32-bit binary
  2060. compatibility. Since all software available for Linux/MIPS is
  2061. currently 32-bit you should say Y here.
  2062. config COMPAT
  2063. bool
  2064. depends on MIPS32_COMPAT
  2065. default y
  2066. config SYSVIPC_COMPAT
  2067. bool
  2068. depends on COMPAT && SYSVIPC
  2069. default y
  2070. config MIPS32_O32
  2071. bool "Kernel support for o32 binaries"
  2072. depends on MIPS32_COMPAT
  2073. help
  2074. Select this option if you want to run o32 binaries. These are pure
  2075. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2076. existing binaries are in this format.
  2077. If unsure, say Y.
  2078. config MIPS32_N32
  2079. bool "Kernel support for n32 binaries"
  2080. depends on MIPS32_COMPAT
  2081. help
  2082. Select this option if you want to run n32 binaries. These are
  2083. 64-bit binaries using 32-bit quantities for addressing and certain
  2084. data that would normally be 64-bit. They are used in special
  2085. cases.
  2086. If unsure, say N.
  2087. config BINFMT_ELF32
  2088. bool
  2089. default y if MIPS32_O32 || MIPS32_N32
  2090. endmenu
  2091. menu "Power management options"
  2092. config ARCH_HIBERNATION_POSSIBLE
  2093. def_bool y
  2094. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2095. config ARCH_SUSPEND_POSSIBLE
  2096. def_bool y
  2097. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2098. source "kernel/power/Kconfig"
  2099. endmenu
  2100. source "arch/mips/kernel/cpufreq/Kconfig"
  2101. source "net/Kconfig"
  2102. source "drivers/Kconfig"
  2103. source "fs/Kconfig"
  2104. source "arch/mips/Kconfig.debug"
  2105. source "security/Kconfig"
  2106. source "crypto/Kconfig"
  2107. menuconfig VIRTUALIZATION
  2108. bool "Virtualization"
  2109. default n
  2110. ---help---
  2111. Say Y here to get to see options for using your Linux host to run other
  2112. operating systems inside virtual machines (guests).
  2113. This option alone does not add any kernel code.
  2114. If you say N, all options in this submenu will be skipped and disabled.
  2115. if VIRTUALIZATION
  2116. source drivers/virtio/Kconfig
  2117. endif # VIRTUALIZATION
  2118. source "lib/Kconfig"