Kconfig 60 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select 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 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 ARCH_SUPPORTS_MSI
  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. config NLM_XLP_BOARD
  736. bool "Netlogic XLP based systems"
  737. depends on EXPERIMENTAL
  738. select BOOT_ELF32
  739. select NLM_COMMON
  740. select SYS_HAS_CPU_XLP
  741. select SYS_SUPPORTS_SMP
  742. select HW_HAS_PCI
  743. select SWAP_IO_SPACE
  744. select SYS_SUPPORTS_32BIT_KERNEL
  745. select SYS_SUPPORTS_64BIT_KERNEL
  746. select 64BIT_PHYS_ADDR
  747. select SYS_SUPPORTS_BIG_ENDIAN
  748. select SYS_SUPPORTS_LITTLE_ENDIAN
  749. select SYS_SUPPORTS_HIGHMEM
  750. select DMA_COHERENT
  751. select NR_CPUS_DEFAULT_32
  752. select CEVT_R4K
  753. select CSRC_R4K
  754. select IRQ_CPU
  755. select ZONE_DMA if 64BIT
  756. select SYNC_R4K
  757. select SYS_HAS_EARLY_PRINTK
  758. help
  759. This board is based on Netlogic XLP Processor.
  760. Say Y here if you have a XLP based board.
  761. endchoice
  762. source "arch/mips/alchemy/Kconfig"
  763. source "arch/mips/ath79/Kconfig"
  764. source "arch/mips/bcm47xx/Kconfig"
  765. source "arch/mips/bcm63xx/Kconfig"
  766. source "arch/mips/jazz/Kconfig"
  767. source "arch/mips/jz4740/Kconfig"
  768. source "arch/mips/lantiq/Kconfig"
  769. source "arch/mips/lasat/Kconfig"
  770. source "arch/mips/pmc-sierra/Kconfig"
  771. source "arch/mips/powertv/Kconfig"
  772. source "arch/mips/sgi-ip27/Kconfig"
  773. source "arch/mips/sibyte/Kconfig"
  774. source "arch/mips/txx9/Kconfig"
  775. source "arch/mips/vr41xx/Kconfig"
  776. source "arch/mips/cavium-octeon/Kconfig"
  777. source "arch/mips/loongson/Kconfig"
  778. source "arch/mips/netlogic/Kconfig"
  779. endmenu
  780. config RWSEM_GENERIC_SPINLOCK
  781. bool
  782. default y
  783. config RWSEM_XCHGADD_ALGORITHM
  784. bool
  785. config ARCH_HAS_ILOG2_U32
  786. bool
  787. default n
  788. config ARCH_HAS_ILOG2_U64
  789. bool
  790. default n
  791. config GENERIC_HWEIGHT
  792. bool
  793. default y
  794. config GENERIC_CALIBRATE_DELAY
  795. bool
  796. default y
  797. config GENERIC_CLOCKEVENTS
  798. bool
  799. default y
  800. config GENERIC_CMOS_UPDATE
  801. bool
  802. default y
  803. config SCHED_OMIT_FRAME_POINTER
  804. bool
  805. default y
  806. #
  807. # Select some configuration options automatically based on user selections.
  808. #
  809. config ARC
  810. bool
  811. config ARCH_MAY_HAVE_PC_FDC
  812. bool
  813. config BOOT_RAW
  814. bool
  815. config CEVT_BCM1480
  816. bool
  817. config CEVT_DS1287
  818. bool
  819. config CEVT_GT641XX
  820. bool
  821. config CEVT_R4K_LIB
  822. bool
  823. config CEVT_R4K
  824. select CEVT_R4K_LIB
  825. bool
  826. config CEVT_SB1250
  827. bool
  828. config CEVT_TXX9
  829. bool
  830. config CSRC_BCM1480
  831. bool
  832. config CSRC_IOASIC
  833. bool
  834. config CSRC_POWERTV
  835. bool
  836. config CSRC_R4K_LIB
  837. bool
  838. config CSRC_R4K
  839. select CSRC_R4K_LIB
  840. bool
  841. config CSRC_SB1250
  842. bool
  843. config GPIO_TXX9
  844. select GENERIC_GPIO
  845. select ARCH_REQUIRE_GPIOLIB
  846. bool
  847. config CFE
  848. bool
  849. config ARCH_DMA_ADDR_T_64BIT
  850. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  851. config DMA_COHERENT
  852. bool
  853. config DMA_NONCOHERENT
  854. bool
  855. select NEED_DMA_MAP_STATE
  856. config NEED_DMA_MAP_STATE
  857. bool
  858. config SYS_HAS_EARLY_PRINTK
  859. bool
  860. config HOTPLUG_CPU
  861. bool "Support for hot-pluggable CPUs"
  862. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  863. help
  864. Say Y here to allow turning CPUs off and on. CPUs can be
  865. controlled through /sys/devices/system/cpu.
  866. (Note: power management support will enable this option
  867. automatically on SMP systems. )
  868. Say N if you want to disable CPU hotplug.
  869. config SYS_SUPPORTS_HOTPLUG_CPU
  870. bool
  871. config I8259
  872. bool
  873. config MIPS_BONITO64
  874. bool
  875. config MIPS_MSC
  876. bool
  877. config MIPS_NILE4
  878. bool
  879. config MIPS_DISABLE_OBSOLETE_IDE
  880. bool
  881. config SYNC_R4K
  882. bool
  883. config MIPS_MACHINE
  884. def_bool n
  885. config NO_IOPORT
  886. def_bool n
  887. config GENERIC_ISA_DMA
  888. bool
  889. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  890. select ISA_DMA_API
  891. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  892. bool
  893. select GENERIC_ISA_DMA
  894. config ISA_DMA_API
  895. bool
  896. config GENERIC_GPIO
  897. bool
  898. config HOLES_IN_ZONE
  899. bool
  900. #
  901. # Endianess selection. Sufficiently obscure so many users don't know what to
  902. # answer,so we try hard to limit the available choices. Also the use of a
  903. # choice statement should be more obvious to the user.
  904. #
  905. choice
  906. prompt "Endianess selection"
  907. help
  908. Some MIPS machines can be configured for either little or big endian
  909. byte order. These modes require different kernels and a different
  910. Linux distribution. In general there is one preferred byteorder for a
  911. particular system but some systems are just as commonly used in the
  912. one or the other endianness.
  913. config CPU_BIG_ENDIAN
  914. bool "Big endian"
  915. depends on SYS_SUPPORTS_BIG_ENDIAN
  916. config CPU_LITTLE_ENDIAN
  917. bool "Little endian"
  918. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  919. help
  920. endchoice
  921. config EXPORT_UASM
  922. bool
  923. config SYS_SUPPORTS_APM_EMULATION
  924. bool
  925. config SYS_SUPPORTS_BIG_ENDIAN
  926. bool
  927. config SYS_SUPPORTS_LITTLE_ENDIAN
  928. bool
  929. config SYS_SUPPORTS_HUGETLBFS
  930. bool
  931. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  932. default y
  933. config IRQ_CPU
  934. bool
  935. config IRQ_CPU_RM7K
  936. bool
  937. config IRQ_CPU_RM9K
  938. bool
  939. config IRQ_MSP_SLP
  940. bool
  941. config IRQ_MSP_CIC
  942. bool
  943. config IRQ_TXX9
  944. bool
  945. config IRQ_GT641XX
  946. bool
  947. config IRQ_GIC
  948. bool
  949. config MIPS_BOARDS_GEN
  950. bool
  951. config PCI_GT64XXX_PCI0
  952. bool
  953. config NO_EXCEPT_FILL
  954. bool
  955. config MIPS_RM9122
  956. bool
  957. select SERIAL_RM9000
  958. config SOC_EMMA2RH
  959. bool
  960. select CEVT_R4K
  961. select CSRC_R4K
  962. select DMA_NONCOHERENT
  963. select IRQ_CPU
  964. select SWAP_IO_SPACE
  965. select SYS_HAS_CPU_R5500
  966. select SYS_SUPPORTS_32BIT_KERNEL
  967. select SYS_SUPPORTS_64BIT_KERNEL
  968. select SYS_SUPPORTS_BIG_ENDIAN
  969. config SOC_PNX833X
  970. bool
  971. select CEVT_R4K
  972. select CSRC_R4K
  973. select IRQ_CPU
  974. select DMA_NONCOHERENT
  975. select SYS_HAS_CPU_MIPS32_R2
  976. select SYS_SUPPORTS_32BIT_KERNEL
  977. select SYS_SUPPORTS_LITTLE_ENDIAN
  978. select SYS_SUPPORTS_BIG_ENDIAN
  979. select GENERIC_GPIO
  980. select CPU_MIPSR2_IRQ_VI
  981. config SOC_PNX8335
  982. bool
  983. select SOC_PNX833X
  984. config PNX8550
  985. bool
  986. select SOC_PNX8550
  987. config SOC_PNX8550
  988. bool
  989. select DMA_NONCOHERENT
  990. select HW_HAS_PCI
  991. select SYS_HAS_CPU_MIPS32_R1
  992. select SYS_HAS_EARLY_PRINTK
  993. select SYS_SUPPORTS_32BIT_KERNEL
  994. select GENERIC_GPIO
  995. config SWAP_IO_SPACE
  996. bool
  997. config SERIAL_RM9000
  998. bool
  999. config SGI_HAS_INDYDOG
  1000. bool
  1001. config SGI_HAS_HAL2
  1002. bool
  1003. config SGI_HAS_SEEQ
  1004. bool
  1005. config SGI_HAS_WD93
  1006. bool
  1007. config SGI_HAS_ZILOG
  1008. bool
  1009. config SGI_HAS_I8042
  1010. bool
  1011. config DEFAULT_SGI_PARTITION
  1012. bool
  1013. config ARC32
  1014. bool
  1015. config SNIPROM
  1016. bool
  1017. config BOOT_ELF32
  1018. bool
  1019. config MIPS_L1_CACHE_SHIFT
  1020. int
  1021. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1022. default "6" if MIPS_CPU_SCACHE
  1023. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1024. default "5"
  1025. config HAVE_STD_PC_SERIAL_PORT
  1026. bool
  1027. config ARC_CONSOLE
  1028. bool "ARC console support"
  1029. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1030. config ARC_MEMORY
  1031. bool
  1032. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1033. default y
  1034. config ARC_PROMLIB
  1035. bool
  1036. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1037. default y
  1038. config ARC64
  1039. bool
  1040. config BOOT_ELF64
  1041. bool
  1042. menu "CPU selection"
  1043. choice
  1044. prompt "CPU type"
  1045. default CPU_R4X00
  1046. config CPU_LOONGSON2E
  1047. bool "Loongson 2E"
  1048. depends on SYS_HAS_CPU_LOONGSON2E
  1049. select CPU_LOONGSON2
  1050. help
  1051. The Loongson 2E processor implements the MIPS III instruction set
  1052. with many extensions.
  1053. It has an internal FPGA northbridge, which is compatible to
  1054. bonito64.
  1055. config CPU_LOONGSON2F
  1056. bool "Loongson 2F"
  1057. depends on SYS_HAS_CPU_LOONGSON2F
  1058. select CPU_LOONGSON2
  1059. select GENERIC_GPIO
  1060. select ARCH_REQUIRE_GPIOLIB
  1061. help
  1062. The Loongson 2F processor implements the MIPS III instruction set
  1063. with many extensions.
  1064. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1065. have a similar programming interface with FPGA northbridge used in
  1066. Loongson2E.
  1067. config CPU_MIPS32_R1
  1068. bool "MIPS32 Release 1"
  1069. depends on SYS_HAS_CPU_MIPS32_R1
  1070. select CPU_HAS_PREFETCH
  1071. select CPU_SUPPORTS_32BIT_KERNEL
  1072. select CPU_SUPPORTS_HIGHMEM
  1073. help
  1074. Choose this option to build a kernel for release 1 or later of the
  1075. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1076. MIPS processor are based on a MIPS32 processor. If you know the
  1077. specific type of processor in your system, choose those that one
  1078. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1079. Release 2 of the MIPS32 architecture is available since several
  1080. years so chances are you even have a MIPS32 Release 2 processor
  1081. in which case you should choose CPU_MIPS32_R2 instead for better
  1082. performance.
  1083. config CPU_MIPS32_R2
  1084. bool "MIPS32 Release 2"
  1085. depends on SYS_HAS_CPU_MIPS32_R2
  1086. select CPU_HAS_PREFETCH
  1087. select CPU_SUPPORTS_32BIT_KERNEL
  1088. select CPU_SUPPORTS_HIGHMEM
  1089. help
  1090. Choose this option to build a kernel for release 2 or later of the
  1091. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1092. MIPS processor are based on a MIPS32 processor. If you know the
  1093. specific type of processor in your system, choose those that one
  1094. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1095. config CPU_MIPS64_R1
  1096. bool "MIPS64 Release 1"
  1097. depends on SYS_HAS_CPU_MIPS64_R1
  1098. select CPU_HAS_PREFETCH
  1099. select CPU_SUPPORTS_32BIT_KERNEL
  1100. select CPU_SUPPORTS_64BIT_KERNEL
  1101. select CPU_SUPPORTS_HIGHMEM
  1102. select CPU_SUPPORTS_HUGEPAGES
  1103. help
  1104. Choose this option to build a kernel for release 1 or later of the
  1105. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1106. MIPS processor are based on a MIPS64 processor. If you know the
  1107. specific type of processor in your system, choose those that one
  1108. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1109. Release 2 of the MIPS64 architecture is available since several
  1110. years so chances are you even have a MIPS64 Release 2 processor
  1111. in which case you should choose CPU_MIPS64_R2 instead for better
  1112. performance.
  1113. config CPU_MIPS64_R2
  1114. bool "MIPS64 Release 2"
  1115. depends on SYS_HAS_CPU_MIPS64_R2
  1116. select CPU_HAS_PREFETCH
  1117. select CPU_SUPPORTS_32BIT_KERNEL
  1118. select CPU_SUPPORTS_64BIT_KERNEL
  1119. select CPU_SUPPORTS_HIGHMEM
  1120. select CPU_SUPPORTS_HUGEPAGES
  1121. help
  1122. Choose this option to build a kernel for release 2 or later of the
  1123. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1124. MIPS processor are based on a MIPS64 processor. If you know the
  1125. specific type of processor in your system, choose those that one
  1126. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1127. config CPU_R3000
  1128. bool "R3000"
  1129. depends on SYS_HAS_CPU_R3000
  1130. select CPU_HAS_WB
  1131. select CPU_SUPPORTS_32BIT_KERNEL
  1132. select CPU_SUPPORTS_HIGHMEM
  1133. help
  1134. Please make sure to pick the right CPU type. Linux/MIPS is not
  1135. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1136. *not* work on R4000 machines and vice versa. However, since most
  1137. of the supported machines have an R4000 (or similar) CPU, R4x00
  1138. might be a safe bet. If the resulting kernel does not work,
  1139. try to recompile with R3000.
  1140. config CPU_TX39XX
  1141. bool "R39XX"
  1142. depends on SYS_HAS_CPU_TX39XX
  1143. select CPU_SUPPORTS_32BIT_KERNEL
  1144. config CPU_VR41XX
  1145. bool "R41xx"
  1146. depends on SYS_HAS_CPU_VR41XX
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_64BIT_KERNEL
  1149. help
  1150. The options selects support for the NEC VR4100 series of processors.
  1151. Only choose this option if you have one of these processors as a
  1152. kernel built with this option will not run on any other type of
  1153. processor or vice versa.
  1154. config CPU_R4300
  1155. bool "R4300"
  1156. depends on SYS_HAS_CPU_R4300
  1157. select CPU_SUPPORTS_32BIT_KERNEL
  1158. select CPU_SUPPORTS_64BIT_KERNEL
  1159. help
  1160. MIPS Technologies R4300-series processors.
  1161. config CPU_R4X00
  1162. bool "R4x00"
  1163. depends on SYS_HAS_CPU_R4X00
  1164. select CPU_SUPPORTS_32BIT_KERNEL
  1165. select CPU_SUPPORTS_64BIT_KERNEL
  1166. help
  1167. MIPS Technologies R4000-series processors other than 4300, including
  1168. the R4000, R4400, R4600, and 4700.
  1169. config CPU_TX49XX
  1170. bool "R49XX"
  1171. depends on SYS_HAS_CPU_TX49XX
  1172. select CPU_HAS_PREFETCH
  1173. select CPU_SUPPORTS_32BIT_KERNEL
  1174. select CPU_SUPPORTS_64BIT_KERNEL
  1175. config CPU_R5000
  1176. bool "R5000"
  1177. depends on SYS_HAS_CPU_R5000
  1178. select CPU_SUPPORTS_32BIT_KERNEL
  1179. select CPU_SUPPORTS_64BIT_KERNEL
  1180. help
  1181. MIPS Technologies R5000-series processors other than the Nevada.
  1182. config CPU_R5432
  1183. bool "R5432"
  1184. depends on SYS_HAS_CPU_R5432
  1185. select CPU_SUPPORTS_32BIT_KERNEL
  1186. select CPU_SUPPORTS_64BIT_KERNEL
  1187. config CPU_R5500
  1188. bool "R5500"
  1189. depends on SYS_HAS_CPU_R5500
  1190. select CPU_SUPPORTS_32BIT_KERNEL
  1191. select CPU_SUPPORTS_64BIT_KERNEL
  1192. select CPU_SUPPORTS_HUGEPAGES
  1193. help
  1194. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1195. instruction set.
  1196. config CPU_R6000
  1197. bool "R6000"
  1198. depends on EXPERIMENTAL
  1199. depends on SYS_HAS_CPU_R6000
  1200. select CPU_SUPPORTS_32BIT_KERNEL
  1201. help
  1202. MIPS Technologies R6000 and R6000A series processors. Note these
  1203. processors are extremely rare and the support for them is incomplete.
  1204. config CPU_NEVADA
  1205. bool "RM52xx"
  1206. depends on SYS_HAS_CPU_NEVADA
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. help
  1210. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1211. config CPU_R8000
  1212. bool "R8000"
  1213. depends on EXPERIMENTAL
  1214. depends on SYS_HAS_CPU_R8000
  1215. select CPU_HAS_PREFETCH
  1216. select CPU_SUPPORTS_64BIT_KERNEL
  1217. help
  1218. MIPS Technologies R8000 processors. Note these processors are
  1219. uncommon and the support for them is incomplete.
  1220. config CPU_R10000
  1221. bool "R10000"
  1222. depends on SYS_HAS_CPU_R10000
  1223. select CPU_HAS_PREFETCH
  1224. select CPU_SUPPORTS_32BIT_KERNEL
  1225. select CPU_SUPPORTS_64BIT_KERNEL
  1226. select CPU_SUPPORTS_HIGHMEM
  1227. help
  1228. MIPS Technologies R10000-series processors.
  1229. config CPU_RM7000
  1230. bool "RM7000"
  1231. depends on SYS_HAS_CPU_RM7000
  1232. select CPU_HAS_PREFETCH
  1233. select CPU_SUPPORTS_32BIT_KERNEL
  1234. select CPU_SUPPORTS_64BIT_KERNEL
  1235. select CPU_SUPPORTS_HIGHMEM
  1236. config CPU_RM9000
  1237. bool "RM9000"
  1238. depends on SYS_HAS_CPU_RM9000
  1239. select CPU_HAS_PREFETCH
  1240. select CPU_SUPPORTS_32BIT_KERNEL
  1241. select CPU_SUPPORTS_64BIT_KERNEL
  1242. select CPU_SUPPORTS_HIGHMEM
  1243. select WEAK_ORDERING
  1244. config CPU_SB1
  1245. bool "SB1"
  1246. depends on SYS_HAS_CPU_SB1
  1247. select CPU_SUPPORTS_32BIT_KERNEL
  1248. select CPU_SUPPORTS_64BIT_KERNEL
  1249. select CPU_SUPPORTS_HIGHMEM
  1250. select WEAK_ORDERING
  1251. config CPU_CAVIUM_OCTEON
  1252. bool "Cavium Octeon processor"
  1253. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1254. select CPU_HAS_PREFETCH
  1255. select CPU_SUPPORTS_64BIT_KERNEL
  1256. select SYS_SUPPORTS_SMP
  1257. select NR_CPUS_DEFAULT_16
  1258. select WEAK_ORDERING
  1259. select CPU_SUPPORTS_HIGHMEM
  1260. select CPU_SUPPORTS_HUGEPAGES
  1261. help
  1262. The Cavium Octeon processor is a highly integrated chip containing
  1263. many ethernet hardware widgets for networking tasks. The processor
  1264. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1265. Full details can be found at http://www.caviumnetworks.com.
  1266. config CPU_BMIPS3300
  1267. bool "BMIPS3300"
  1268. depends on SYS_HAS_CPU_BMIPS3300
  1269. select DMA_NONCOHERENT
  1270. select IRQ_CPU
  1271. select SWAP_IO_SPACE
  1272. select SYS_SUPPORTS_32BIT_KERNEL
  1273. select WEAK_ORDERING
  1274. help
  1275. Broadcom BMIPS3300 processors.
  1276. config CPU_BMIPS4350
  1277. bool "BMIPS4350"
  1278. depends on SYS_HAS_CPU_BMIPS4350
  1279. select CPU_SUPPORTS_32BIT_KERNEL
  1280. select DMA_NONCOHERENT
  1281. select IRQ_CPU
  1282. select SWAP_IO_SPACE
  1283. select SYS_SUPPORTS_SMP
  1284. select SYS_SUPPORTS_HOTPLUG_CPU
  1285. select WEAK_ORDERING
  1286. help
  1287. Broadcom BMIPS4350 ("VIPER") processors.
  1288. config CPU_BMIPS4380
  1289. bool "BMIPS4380"
  1290. depends on SYS_HAS_CPU_BMIPS4380
  1291. select CPU_SUPPORTS_32BIT_KERNEL
  1292. select DMA_NONCOHERENT
  1293. select IRQ_CPU
  1294. select SWAP_IO_SPACE
  1295. select SYS_SUPPORTS_SMP
  1296. select SYS_SUPPORTS_HOTPLUG_CPU
  1297. select WEAK_ORDERING
  1298. help
  1299. Broadcom BMIPS4380 processors.
  1300. config CPU_BMIPS5000
  1301. bool "BMIPS5000"
  1302. depends on SYS_HAS_CPU_BMIPS5000
  1303. select CPU_SUPPORTS_32BIT_KERNEL
  1304. select CPU_SUPPORTS_HIGHMEM
  1305. select DMA_NONCOHERENT
  1306. select IRQ_CPU
  1307. select SWAP_IO_SPACE
  1308. select SYS_SUPPORTS_SMP
  1309. select SYS_SUPPORTS_HOTPLUG_CPU
  1310. select WEAK_ORDERING
  1311. help
  1312. Broadcom BMIPS5000 processors.
  1313. config CPU_XLR
  1314. bool "Netlogic XLR SoC"
  1315. depends on SYS_HAS_CPU_XLR
  1316. select CPU_SUPPORTS_32BIT_KERNEL
  1317. select CPU_SUPPORTS_64BIT_KERNEL
  1318. select CPU_SUPPORTS_HIGHMEM
  1319. select WEAK_ORDERING
  1320. select WEAK_REORDERING_BEYOND_LLSC
  1321. select CPU_SUPPORTS_HUGEPAGES
  1322. help
  1323. Netlogic Microsystems XLR/XLS processors.
  1324. config CPU_XLP
  1325. bool "Netlogic XLP SoC"
  1326. depends on SYS_HAS_CPU_XLP
  1327. select CPU_SUPPORTS_32BIT_KERNEL
  1328. select CPU_SUPPORTS_64BIT_KERNEL
  1329. select CPU_SUPPORTS_HIGHMEM
  1330. select CPU_HAS_LLSC
  1331. select WEAK_ORDERING
  1332. select WEAK_REORDERING_BEYOND_LLSC
  1333. select CPU_HAS_PREFETCH
  1334. help
  1335. Netlogic Microsystems XLP processors.
  1336. endchoice
  1337. if CPU_LOONGSON2F
  1338. config CPU_NOP_WORKAROUNDS
  1339. bool
  1340. config CPU_JUMP_WORKAROUNDS
  1341. bool
  1342. config CPU_LOONGSON2F_WORKAROUNDS
  1343. bool "Loongson 2F Workarounds"
  1344. default y
  1345. select CPU_NOP_WORKAROUNDS
  1346. select CPU_JUMP_WORKAROUNDS
  1347. help
  1348. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1349. require workarounds. Without workarounds the system may hang
  1350. unexpectedly. For more information please refer to the gas
  1351. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1352. Loongson 2F03 and later have fixed these issues and no workarounds
  1353. are needed. The workarounds have no significant side effect on them
  1354. but may decrease the performance of the system so this option should
  1355. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1356. systems.
  1357. If unsure, please say Y.
  1358. endif # CPU_LOONGSON2F
  1359. config SYS_SUPPORTS_ZBOOT
  1360. bool
  1361. select HAVE_KERNEL_GZIP
  1362. select HAVE_KERNEL_BZIP2
  1363. select HAVE_KERNEL_LZMA
  1364. select HAVE_KERNEL_LZO
  1365. config SYS_SUPPORTS_ZBOOT_UART16550
  1366. bool
  1367. select SYS_SUPPORTS_ZBOOT
  1368. config CPU_LOONGSON2
  1369. bool
  1370. select CPU_SUPPORTS_32BIT_KERNEL
  1371. select CPU_SUPPORTS_64BIT_KERNEL
  1372. select CPU_SUPPORTS_HIGHMEM
  1373. config SYS_HAS_CPU_LOONGSON2E
  1374. bool
  1375. config SYS_HAS_CPU_LOONGSON2F
  1376. bool
  1377. select CPU_SUPPORTS_CPUFREQ
  1378. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1379. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1380. config SYS_HAS_CPU_MIPS32_R1
  1381. bool
  1382. config SYS_HAS_CPU_MIPS32_R2
  1383. bool
  1384. config SYS_HAS_CPU_MIPS64_R1
  1385. bool
  1386. config SYS_HAS_CPU_MIPS64_R2
  1387. bool
  1388. config SYS_HAS_CPU_R3000
  1389. bool
  1390. config SYS_HAS_CPU_TX39XX
  1391. bool
  1392. config SYS_HAS_CPU_VR41XX
  1393. bool
  1394. config SYS_HAS_CPU_R4300
  1395. bool
  1396. config SYS_HAS_CPU_R4X00
  1397. bool
  1398. config SYS_HAS_CPU_TX49XX
  1399. bool
  1400. config SYS_HAS_CPU_R5000
  1401. bool
  1402. config SYS_HAS_CPU_R5432
  1403. bool
  1404. config SYS_HAS_CPU_R5500
  1405. bool
  1406. config SYS_HAS_CPU_R6000
  1407. bool
  1408. config SYS_HAS_CPU_NEVADA
  1409. bool
  1410. config SYS_HAS_CPU_R8000
  1411. bool
  1412. config SYS_HAS_CPU_R10000
  1413. bool
  1414. config SYS_HAS_CPU_RM7000
  1415. bool
  1416. config SYS_HAS_CPU_RM9000
  1417. bool
  1418. config SYS_HAS_CPU_SB1
  1419. bool
  1420. config SYS_HAS_CPU_CAVIUM_OCTEON
  1421. bool
  1422. config SYS_HAS_CPU_BMIPS3300
  1423. bool
  1424. config SYS_HAS_CPU_BMIPS4350
  1425. bool
  1426. config SYS_HAS_CPU_BMIPS4380
  1427. bool
  1428. config SYS_HAS_CPU_BMIPS5000
  1429. bool
  1430. config SYS_HAS_CPU_XLR
  1431. bool
  1432. config SYS_HAS_CPU_XLP
  1433. bool
  1434. #
  1435. # CPU may reorder R->R, R->W, W->R, W->W
  1436. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1437. #
  1438. config WEAK_ORDERING
  1439. bool
  1440. #
  1441. # CPU may reorder reads and writes beyond LL/SC
  1442. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1443. #
  1444. config WEAK_REORDERING_BEYOND_LLSC
  1445. bool
  1446. endmenu
  1447. #
  1448. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1449. #
  1450. config CPU_MIPS32
  1451. bool
  1452. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1453. config CPU_MIPS64
  1454. bool
  1455. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1456. #
  1457. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1458. #
  1459. config CPU_MIPSR1
  1460. bool
  1461. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1462. config CPU_MIPSR2
  1463. bool
  1464. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1465. config SYS_SUPPORTS_32BIT_KERNEL
  1466. bool
  1467. config SYS_SUPPORTS_64BIT_KERNEL
  1468. bool
  1469. config CPU_SUPPORTS_32BIT_KERNEL
  1470. bool
  1471. config CPU_SUPPORTS_64BIT_KERNEL
  1472. bool
  1473. config CPU_SUPPORTS_CPUFREQ
  1474. bool
  1475. config CPU_SUPPORTS_ADDRWINCFG
  1476. bool
  1477. config CPU_SUPPORTS_HUGEPAGES
  1478. bool
  1479. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1480. bool
  1481. config MIPS_PGD_C0_CONTEXT
  1482. bool
  1483. default y if 64BIT && CPU_MIPSR2
  1484. #
  1485. # Set to y for ptrace access to watch registers.
  1486. #
  1487. config HARDWARE_WATCHPOINTS
  1488. bool
  1489. default y if CPU_MIPSR1 || CPU_MIPSR2
  1490. menu "Kernel type"
  1491. choice
  1492. prompt "Kernel code model"
  1493. help
  1494. You should only select this option if you have a workload that
  1495. actually benefits from 64-bit processing or if your machine has
  1496. large memory. You will only be presented a single option in this
  1497. menu if your system does not support both 32-bit and 64-bit kernels.
  1498. config 32BIT
  1499. bool "32-bit kernel"
  1500. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1501. select TRAD_SIGNALS
  1502. help
  1503. Select this option if you want to build a 32-bit kernel.
  1504. config 64BIT
  1505. bool "64-bit kernel"
  1506. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1507. select HAVE_SYSCALL_WRAPPERS
  1508. help
  1509. Select this option if you want to build a 64-bit kernel.
  1510. endchoice
  1511. choice
  1512. prompt "Kernel page size"
  1513. default PAGE_SIZE_4KB
  1514. config PAGE_SIZE_4KB
  1515. bool "4kB"
  1516. depends on !CPU_LOONGSON2
  1517. help
  1518. This option select the standard 4kB Linux page size. On some
  1519. R3000-family processors this is the only available page size. Using
  1520. 4kB page size will minimize memory consumption and is therefore
  1521. recommended for low memory systems.
  1522. config PAGE_SIZE_8KB
  1523. bool "8kB"
  1524. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1525. help
  1526. Using 8kB page size will result in higher performance kernel at
  1527. the price of higher memory consumption. This option is available
  1528. only on R8000 and cnMIPS processors. Note that you will need a
  1529. suitable Linux distribution to support this.
  1530. config PAGE_SIZE_16KB
  1531. bool "16kB"
  1532. depends on !CPU_R3000 && !CPU_TX39XX
  1533. help
  1534. Using 16kB page size will result in higher performance kernel at
  1535. the price of higher memory consumption. This option is available on
  1536. all non-R3000 family processors. Note that you will need a suitable
  1537. Linux distribution to support this.
  1538. config PAGE_SIZE_32KB
  1539. bool "32kB"
  1540. depends on CPU_CAVIUM_OCTEON
  1541. help
  1542. Using 32kB page size will result in higher performance kernel at
  1543. the price of higher memory consumption. This option is available
  1544. only on cnMIPS cores. Note that you will need a suitable Linux
  1545. distribution to support this.
  1546. config PAGE_SIZE_64KB
  1547. bool "64kB"
  1548. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1549. help
  1550. Using 64kB page size will result in higher performance kernel at
  1551. the price of higher memory consumption. This option is available on
  1552. all non-R3000 family processor. Not that at the time of this
  1553. writing this option is still high experimental.
  1554. endchoice
  1555. config FORCE_MAX_ZONEORDER
  1556. int "Maximum zone order"
  1557. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1558. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1559. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1560. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1561. range 11 64
  1562. default "11"
  1563. help
  1564. The kernel memory allocator divides physically contiguous memory
  1565. blocks into "zones", where each zone is a power of two number of
  1566. pages. This option selects the largest power of two that the kernel
  1567. keeps in the memory allocator. If you need to allocate very large
  1568. blocks of physically contiguous memory, then you may need to
  1569. increase this value.
  1570. This config option is actually maximum order plus one. For example,
  1571. a value of 11 means that the largest free memory block is 2^10 pages.
  1572. The page size is not necessarily 4KB. Keep this in mind
  1573. when choosing a value for this option.
  1574. config BOARD_SCACHE
  1575. bool
  1576. config IP22_CPU_SCACHE
  1577. bool
  1578. select BOARD_SCACHE
  1579. #
  1580. # Support for a MIPS32 / MIPS64 style S-caches
  1581. #
  1582. config MIPS_CPU_SCACHE
  1583. bool
  1584. select BOARD_SCACHE
  1585. config R5000_CPU_SCACHE
  1586. bool
  1587. select BOARD_SCACHE
  1588. config RM7000_CPU_SCACHE
  1589. bool
  1590. select BOARD_SCACHE
  1591. config SIBYTE_DMA_PAGEOPS
  1592. bool "Use DMA to clear/copy pages"
  1593. depends on CPU_SB1
  1594. help
  1595. Instead of using the CPU to zero and copy pages, use a Data Mover
  1596. channel. These DMA channels are otherwise unused by the standard
  1597. SiByte Linux port. Seems to give a small performance benefit.
  1598. config CPU_HAS_PREFETCH
  1599. bool
  1600. choice
  1601. prompt "MIPS MT options"
  1602. config MIPS_MT_DISABLED
  1603. bool "Disable multithreading support."
  1604. help
  1605. Use this option if your workload can't take advantage of
  1606. MIPS hardware multithreading support. On systems that don't have
  1607. the option of an MT-enabled processor this option will be the only
  1608. option in this menu.
  1609. config MIPS_MT_SMP
  1610. bool "Use 1 TC on each available VPE for SMP"
  1611. depends on SYS_SUPPORTS_MULTITHREADING
  1612. select CPU_MIPSR2_IRQ_VI
  1613. select CPU_MIPSR2_IRQ_EI
  1614. select MIPS_MT
  1615. select NR_CPUS_DEFAULT_2
  1616. select SMP
  1617. select SYS_SUPPORTS_SCHED_SMT if SMP
  1618. select SYS_SUPPORTS_SMP
  1619. select SMP_UP
  1620. help
  1621. This is a kernel model which is known a VSMP but lately has been
  1622. marketesed into SMVP.
  1623. Virtual SMP uses the processor's VPEs to implement virtual
  1624. processors. In currently available configuration of the 34K processor
  1625. this allows for a dual processor. Both processors will share the same
  1626. primary caches; each will obtain the half of the TLB for it's own
  1627. exclusive use. For a layman this model can be described as similar to
  1628. what Intel calls Hyperthreading.
  1629. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1630. config MIPS_MT_SMTC
  1631. bool "SMTC: Use all TCs on all VPEs for SMP"
  1632. depends on CPU_MIPS32_R2
  1633. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1634. depends on SYS_SUPPORTS_MULTITHREADING
  1635. select CPU_MIPSR2_IRQ_VI
  1636. select CPU_MIPSR2_IRQ_EI
  1637. select MIPS_MT
  1638. select NR_CPUS_DEFAULT_8
  1639. select SMP
  1640. select SYS_SUPPORTS_SMP
  1641. select SMP_UP
  1642. help
  1643. This is a kernel model which is known a SMTC or lately has been
  1644. marketesed into SMVP.
  1645. is presenting the available TC's of the core as processors to Linux.
  1646. On currently available 34K processors this means a Linux system will
  1647. see up to 5 processors. The implementation of the SMTC kernel differs
  1648. significantly from VSMP and cannot efficiently coexist in the same
  1649. kernel binary so the choice between VSMP and SMTC is a compile time
  1650. decision.
  1651. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1652. endchoice
  1653. config MIPS_MT
  1654. bool
  1655. config SCHED_SMT
  1656. bool "SMT (multithreading) scheduler support"
  1657. depends on SYS_SUPPORTS_SCHED_SMT
  1658. default n
  1659. help
  1660. SMT scheduler support improves the CPU scheduler's decision making
  1661. when dealing with MIPS MT enabled cores at a cost of slightly
  1662. increased overhead in some places. If unsure say N here.
  1663. config SYS_SUPPORTS_SCHED_SMT
  1664. bool
  1665. config SYS_SUPPORTS_MULTITHREADING
  1666. bool
  1667. config MIPS_MT_FPAFF
  1668. bool "Dynamic FPU affinity for FP-intensive threads"
  1669. default y
  1670. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1671. config MIPS_VPE_LOADER
  1672. bool "VPE loader support."
  1673. depends on SYS_SUPPORTS_MULTITHREADING
  1674. select CPU_MIPSR2_IRQ_VI
  1675. select CPU_MIPSR2_IRQ_EI
  1676. select MIPS_MT
  1677. help
  1678. Includes a loader for loading an elf relocatable object
  1679. onto another VPE and running it.
  1680. config MIPS_MT_SMTC_IM_BACKSTOP
  1681. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1682. depends on MIPS_MT_SMTC
  1683. default n
  1684. help
  1685. To support multiple TC microthreads acting as "CPUs" within
  1686. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1687. during interrupt handling. To support legacy drivers and interrupt
  1688. controller management code, SMTC has a "backstop" to track and
  1689. if necessary restore the interrupt mask. This has some performance
  1690. impact on interrupt service overhead.
  1691. config MIPS_MT_SMTC_IRQAFF
  1692. bool "Support IRQ affinity API"
  1693. depends on MIPS_MT_SMTC
  1694. default n
  1695. help
  1696. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1697. for SMTC Linux kernel. Requires platform support, of which
  1698. an example can be found in the MIPS kernel i8259 and Malta
  1699. platform code. Adds some overhead to interrupt dispatch, and
  1700. should be used only if you know what you are doing.
  1701. config MIPS_VPE_LOADER_TOM
  1702. bool "Load VPE program into memory hidden from linux"
  1703. depends on MIPS_VPE_LOADER
  1704. default y
  1705. help
  1706. The loader can use memory that is present but has been hidden from
  1707. Linux using the kernel command line option "mem=xxMB". It's up to
  1708. you to ensure the amount you put in the option and the space your
  1709. program requires is less or equal to the amount physically present.
  1710. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1711. config MIPS_VPE_APSP_API
  1712. bool "Enable support for AP/SP API (RTLX)"
  1713. depends on MIPS_VPE_LOADER
  1714. help
  1715. config MIPS_APSP_KSPD
  1716. bool "Enable KSPD"
  1717. depends on MIPS_VPE_APSP_API
  1718. default y
  1719. help
  1720. KSPD is a kernel daemon that accepts syscall requests from the SP
  1721. side, actions them and returns the results. It also handles the
  1722. "exit" syscall notifying other kernel modules the SP program is
  1723. exiting. You probably want to say yes here.
  1724. config MIPS_CMP
  1725. bool "MIPS CMP framework support"
  1726. depends on SYS_SUPPORTS_MIPS_CMP
  1727. select SYNC_R4K
  1728. select SYS_SUPPORTS_SMP
  1729. select SYS_SUPPORTS_SCHED_SMT if SMP
  1730. select WEAK_ORDERING
  1731. default n
  1732. help
  1733. This is a placeholder option for the GCMP work. It will need to
  1734. be handled differently...
  1735. config SB1_PASS_1_WORKAROUNDS
  1736. bool
  1737. depends on CPU_SB1_PASS_1
  1738. default y
  1739. config SB1_PASS_2_WORKAROUNDS
  1740. bool
  1741. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1742. default y
  1743. config SB1_PASS_2_1_WORKAROUNDS
  1744. bool
  1745. depends on CPU_SB1 && CPU_SB1_PASS_2
  1746. default y
  1747. config 64BIT_PHYS_ADDR
  1748. bool
  1749. config ARCH_PHYS_ADDR_T_64BIT
  1750. def_bool 64BIT_PHYS_ADDR
  1751. config CPU_HAS_SMARTMIPS
  1752. depends on SYS_SUPPORTS_SMARTMIPS
  1753. bool "Support for the SmartMIPS ASE"
  1754. help
  1755. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1756. increased security at both hardware and software level for
  1757. smartcards. Enabling this option will allow proper use of the
  1758. SmartMIPS instructions by Linux applications. However a kernel with
  1759. this option will not work on a MIPS core without SmartMIPS core. If
  1760. you don't know you probably don't have SmartMIPS and should say N
  1761. here.
  1762. config CPU_HAS_WB
  1763. bool
  1764. #
  1765. # Vectored interrupt mode is an R2 feature
  1766. #
  1767. config CPU_MIPSR2_IRQ_VI
  1768. bool
  1769. #
  1770. # Extended interrupt mode is an R2 feature
  1771. #
  1772. config CPU_MIPSR2_IRQ_EI
  1773. bool
  1774. config CPU_HAS_SYNC
  1775. bool
  1776. depends on !CPU_R3000
  1777. default y
  1778. config GENERIC_CLOCKEVENTS_BROADCAST
  1779. bool
  1780. #
  1781. # CPU non-features
  1782. #
  1783. config CPU_DADDI_WORKAROUNDS
  1784. bool
  1785. config CPU_R4000_WORKAROUNDS
  1786. bool
  1787. select CPU_R4400_WORKAROUNDS
  1788. config CPU_R4400_WORKAROUNDS
  1789. bool
  1790. #
  1791. # - Highmem only makes sense for the 32-bit kernel.
  1792. # - The current highmem code will only work properly on physically indexed
  1793. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1794. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1795. # moment we protect the user and offer the highmem option only on machines
  1796. # where it's known to be safe. This will not offer highmem on a few systems
  1797. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1798. # indexed CPUs but we're playing safe.
  1799. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1800. # know they might have memory configurations that could make use of highmem
  1801. # support.
  1802. #
  1803. config HIGHMEM
  1804. bool "High Memory Support"
  1805. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1806. config CPU_SUPPORTS_HIGHMEM
  1807. bool
  1808. config SYS_SUPPORTS_HIGHMEM
  1809. bool
  1810. config SYS_SUPPORTS_SMARTMIPS
  1811. bool
  1812. config ARCH_FLATMEM_ENABLE
  1813. def_bool y
  1814. depends on !NUMA && !CPU_LOONGSON2
  1815. config ARCH_DISCONTIGMEM_ENABLE
  1816. bool
  1817. default y if SGI_IP27
  1818. help
  1819. Say Y to support efficient handling of discontiguous physical memory,
  1820. for architectures which are either NUMA (Non-Uniform Memory Access)
  1821. or have huge holes in the physical address space for other reasons.
  1822. See <file:Documentation/vm/numa> for more.
  1823. config ARCH_POPULATES_NODE_MAP
  1824. def_bool y
  1825. config ARCH_SPARSEMEM_ENABLE
  1826. bool
  1827. select SPARSEMEM_STATIC
  1828. config NUMA
  1829. bool "NUMA Support"
  1830. depends on SYS_SUPPORTS_NUMA
  1831. help
  1832. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1833. Access). This option improves performance on systems with more
  1834. than two nodes; on two node systems it is generally better to
  1835. leave it disabled; on single node systems disable this option
  1836. disabled.
  1837. config SYS_SUPPORTS_NUMA
  1838. bool
  1839. config NODES_SHIFT
  1840. int
  1841. default "6"
  1842. depends on NEED_MULTIPLE_NODES
  1843. config HW_PERF_EVENTS
  1844. bool "Enable hardware performance counter support for perf events"
  1845. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1846. default y
  1847. help
  1848. Enable hardware performance counter support for perf events. If
  1849. disabled, perf events will use software events only.
  1850. source "mm/Kconfig"
  1851. config SMP
  1852. bool "Multi-Processing support"
  1853. depends on SYS_SUPPORTS_SMP
  1854. select IRQ_PER_CPU
  1855. select USE_GENERIC_SMP_HELPERS
  1856. help
  1857. This enables support for systems with more than one CPU. If you have
  1858. a system with only one CPU, like most personal computers, say N. If
  1859. you have a system with more than one CPU, say Y.
  1860. If you say N here, the kernel will run on single and multiprocessor
  1861. machines, but will use only one CPU of a multiprocessor machine. If
  1862. you say Y here, the kernel will run on many, but not all,
  1863. singleprocessor machines. On a singleprocessor machine, the kernel
  1864. will run faster if you say N here.
  1865. People using multiprocessor machines who say Y here should also say
  1866. Y to "Enhanced Real Time Clock Support", below.
  1867. See also the SMP-HOWTO available at
  1868. <http://www.tldp.org/docs.html#howto>.
  1869. If you don't know what to do here, say N.
  1870. config SMP_UP
  1871. bool
  1872. config SYS_SUPPORTS_MIPS_CMP
  1873. bool
  1874. config SYS_SUPPORTS_SMP
  1875. bool
  1876. config NR_CPUS_DEFAULT_1
  1877. bool
  1878. config NR_CPUS_DEFAULT_2
  1879. bool
  1880. config NR_CPUS_DEFAULT_4
  1881. bool
  1882. config NR_CPUS_DEFAULT_8
  1883. bool
  1884. config NR_CPUS_DEFAULT_16
  1885. bool
  1886. config NR_CPUS_DEFAULT_32
  1887. bool
  1888. config NR_CPUS_DEFAULT_64
  1889. bool
  1890. config NR_CPUS
  1891. int "Maximum number of CPUs (2-64)"
  1892. range 1 64 if NR_CPUS_DEFAULT_1
  1893. depends on SMP
  1894. default "1" if NR_CPUS_DEFAULT_1
  1895. default "2" if NR_CPUS_DEFAULT_2
  1896. default "4" if NR_CPUS_DEFAULT_4
  1897. default "8" if NR_CPUS_DEFAULT_8
  1898. default "16" if NR_CPUS_DEFAULT_16
  1899. default "32" if NR_CPUS_DEFAULT_32
  1900. default "64" if NR_CPUS_DEFAULT_64
  1901. help
  1902. This allows you to specify the maximum number of CPUs which this
  1903. kernel will support. The maximum supported value is 32 for 32-bit
  1904. kernel and 64 for 64-bit kernels; the minimum value which makes
  1905. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1906. and 2 for all others.
  1907. This is purely to save memory - each supported CPU adds
  1908. approximately eight kilobytes to the kernel image. For best
  1909. performance should round up your number of processors to the next
  1910. power of two.
  1911. source "kernel/time/Kconfig"
  1912. #
  1913. # Timer Interrupt Frequency Configuration
  1914. #
  1915. choice
  1916. prompt "Timer frequency"
  1917. default HZ_250
  1918. help
  1919. Allows the configuration of the timer frequency.
  1920. config HZ_48
  1921. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1922. config HZ_100
  1923. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1924. config HZ_128
  1925. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1926. config HZ_250
  1927. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1928. config HZ_256
  1929. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1930. config HZ_1000
  1931. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1932. config HZ_1024
  1933. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1934. endchoice
  1935. config SYS_SUPPORTS_48HZ
  1936. bool
  1937. config SYS_SUPPORTS_100HZ
  1938. bool
  1939. config SYS_SUPPORTS_128HZ
  1940. bool
  1941. config SYS_SUPPORTS_250HZ
  1942. bool
  1943. config SYS_SUPPORTS_256HZ
  1944. bool
  1945. config SYS_SUPPORTS_1000HZ
  1946. bool
  1947. config SYS_SUPPORTS_1024HZ
  1948. bool
  1949. config SYS_SUPPORTS_ARBIT_HZ
  1950. bool
  1951. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1952. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1953. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1954. !SYS_SUPPORTS_1024HZ
  1955. config HZ
  1956. int
  1957. default 48 if HZ_48
  1958. default 100 if HZ_100
  1959. default 128 if HZ_128
  1960. default 250 if HZ_250
  1961. default 256 if HZ_256
  1962. default 1000 if HZ_1000
  1963. default 1024 if HZ_1024
  1964. source "kernel/Kconfig.preempt"
  1965. config KEXEC
  1966. bool "Kexec system call (EXPERIMENTAL)"
  1967. depends on EXPERIMENTAL
  1968. help
  1969. kexec is a system call that implements the ability to shutdown your
  1970. current kernel, and to start another kernel. It is like a reboot
  1971. but it is independent of the system firmware. And like a reboot
  1972. you can start any kernel with it, not just Linux.
  1973. The name comes from the similarity to the exec system call.
  1974. It is an ongoing process to be certain the hardware in a machine
  1975. is properly shutdown, so do not be surprised if this code does not
  1976. initially work for you. It may help to enable device hotplugging
  1977. support. As of this writing the exact hardware interface is
  1978. strongly in flux, so no good recommendation can be made.
  1979. config SECCOMP
  1980. bool "Enable seccomp to safely compute untrusted bytecode"
  1981. depends on PROC_FS
  1982. default y
  1983. help
  1984. This kernel feature is useful for number crunching applications
  1985. that may need to compute untrusted bytecode during their
  1986. execution. By using pipes or other transports made available to
  1987. the process as file descriptors supporting the read/write
  1988. syscalls, it's possible to isolate those applications in
  1989. their own address space using seccomp. Once seccomp is
  1990. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1991. and the task is only allowed to execute a few safe syscalls
  1992. defined by each seccomp mode.
  1993. If unsure, say Y. Only embedded should say N here.
  1994. config USE_OF
  1995. bool "Flattened Device Tree support"
  1996. select OF
  1997. select OF_EARLY_FLATTREE
  1998. help
  1999. Include support for flattened device tree machine descriptions.
  2000. endmenu
  2001. config LOCKDEP_SUPPORT
  2002. bool
  2003. default y
  2004. config STACKTRACE_SUPPORT
  2005. bool
  2006. default y
  2007. source "init/Kconfig"
  2008. source "kernel/Kconfig.freezer"
  2009. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2010. config HW_HAS_EISA
  2011. bool
  2012. config HW_HAS_PCI
  2013. bool
  2014. config PCI
  2015. bool "Support for PCI controller"
  2016. depends on HW_HAS_PCI
  2017. select PCI_DOMAINS
  2018. help
  2019. Find out whether you have a PCI motherboard. PCI is the name of a
  2020. bus system, i.e. the way the CPU talks to the other stuff inside
  2021. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2022. say Y, otherwise N.
  2023. config PCI_DOMAINS
  2024. bool
  2025. source "drivers/pci/Kconfig"
  2026. #
  2027. # ISA support is now enabled via select. Too many systems still have the one
  2028. # or other ISA chip on the board that users don't know about so don't expect
  2029. # users to choose the right thing ...
  2030. #
  2031. config ISA
  2032. bool
  2033. config EISA
  2034. bool "EISA support"
  2035. depends on HW_HAS_EISA
  2036. select ISA
  2037. select GENERIC_ISA_DMA
  2038. ---help---
  2039. The Extended Industry Standard Architecture (EISA) bus was
  2040. developed as an open alternative to the IBM MicroChannel bus.
  2041. The EISA bus provided some of the features of the IBM MicroChannel
  2042. bus while maintaining backward compatibility with cards made for
  2043. the older ISA bus. The EISA bus saw limited use between 1988 and
  2044. 1995 when it was made obsolete by the PCI bus.
  2045. Say Y here if you are building a kernel for an EISA-based machine.
  2046. Otherwise, say N.
  2047. source "drivers/eisa/Kconfig"
  2048. config TC
  2049. bool "TURBOchannel support"
  2050. depends on MACH_DECSTATION
  2051. help
  2052. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2053. processors. TURBOchannel programming specifications are available
  2054. at:
  2055. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2056. and:
  2057. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2058. Linux driver support status is documented at:
  2059. <http://www.linux-mips.org/wiki/DECstation>
  2060. #config ACCESSBUS
  2061. # bool "Access.Bus support"
  2062. # depends on TC
  2063. config MMU
  2064. bool
  2065. default y
  2066. config I8253
  2067. bool
  2068. select CLKSRC_I8253
  2069. select CLKEVT_I8253
  2070. select MIPS_EXTERNAL_TIMER
  2071. config ZONE_DMA32
  2072. bool
  2073. source "drivers/pcmcia/Kconfig"
  2074. source "drivers/pci/hotplug/Kconfig"
  2075. config RAPIDIO
  2076. bool "RapidIO support"
  2077. depends on PCI
  2078. default n
  2079. help
  2080. If you say Y here, the kernel will include drivers and
  2081. infrastructure code to support RapidIO interconnect devices.
  2082. source "drivers/rapidio/Kconfig"
  2083. endmenu
  2084. menu "Executable file formats"
  2085. source "fs/Kconfig.binfmt"
  2086. config TRAD_SIGNALS
  2087. bool
  2088. config MIPS32_COMPAT
  2089. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2090. depends on 64BIT
  2091. help
  2092. Select this option if you want Linux/MIPS 32-bit binary
  2093. compatibility. Since all software available for Linux/MIPS is
  2094. currently 32-bit you should say Y here.
  2095. config COMPAT
  2096. bool
  2097. depends on MIPS32_COMPAT
  2098. default y
  2099. config SYSVIPC_COMPAT
  2100. bool
  2101. depends on COMPAT && SYSVIPC
  2102. default y
  2103. config MIPS32_O32
  2104. bool "Kernel support for o32 binaries"
  2105. depends on MIPS32_COMPAT
  2106. help
  2107. Select this option if you want to run o32 binaries. These are pure
  2108. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2109. existing binaries are in this format.
  2110. If unsure, say Y.
  2111. config MIPS32_N32
  2112. bool "Kernel support for n32 binaries"
  2113. depends on MIPS32_COMPAT
  2114. help
  2115. Select this option if you want to run n32 binaries. These are
  2116. 64-bit binaries using 32-bit quantities for addressing and certain
  2117. data that would normally be 64-bit. They are used in special
  2118. cases.
  2119. If unsure, say N.
  2120. config BINFMT_ELF32
  2121. bool
  2122. default y if MIPS32_O32 || MIPS32_N32
  2123. endmenu
  2124. menu "Power management options"
  2125. config ARCH_HIBERNATION_POSSIBLE
  2126. def_bool y
  2127. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2128. config ARCH_SUSPEND_POSSIBLE
  2129. def_bool y
  2130. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2131. source "kernel/power/Kconfig"
  2132. endmenu
  2133. source "arch/mips/kernel/cpufreq/Kconfig"
  2134. source "net/Kconfig"
  2135. source "drivers/Kconfig"
  2136. source "fs/Kconfig"
  2137. source "arch/mips/Kconfig.debug"
  2138. source "security/Kconfig"
  2139. source "crypto/Kconfig"
  2140. source "lib/Kconfig"