Kconfig 59 KB

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