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. config AR7
  47. bool "Texas Instruments AR7"
  48. select BOOT_ELF32
  49. select DMA_NONCOHERENT
  50. select CEVT_R4K
  51. select CSRC_R4K
  52. select IRQ_CPU
  53. select NO_EXCEPT_FILL
  54. select SWAP_IO_SPACE
  55. select SYS_HAS_CPU_MIPS32_R1
  56. select SYS_HAS_EARLY_PRINTK
  57. select SYS_SUPPORTS_32BIT_KERNEL
  58. select SYS_SUPPORTS_LITTLE_ENDIAN
  59. select SYS_SUPPORTS_ZBOOT_UART16550
  60. select ARCH_REQUIRE_GPIOLIB
  61. select GCD
  62. select VLYNQ
  63. help
  64. Support for the Texas Instruments AR7 System-on-a-Chip
  65. family: TNETD7100, 7200 and 7300.
  66. config ATH79
  67. bool "Atheros AR71XX/AR724X/AR913X based boards"
  68. select ARCH_REQUIRE_GPIOLIB
  69. select BOOT_RAW
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select DMA_NONCOHERENT
  73. select IRQ_CPU
  74. select MIPS_MACHINE
  75. select SYS_HAS_CPU_MIPS32_R2
  76. select SYS_HAS_EARLY_PRINTK
  77. select SYS_SUPPORTS_32BIT_KERNEL
  78. select SYS_SUPPORTS_BIG_ENDIAN
  79. help
  80. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  81. config BCM47XX
  82. bool "Broadcom BCM47XX based boards"
  83. select CEVT_R4K
  84. select CSRC_R4K
  85. select DMA_NONCOHERENT
  86. select HW_HAS_PCI
  87. select IRQ_CPU
  88. select SYS_HAS_CPU_MIPS32_R1
  89. select SYS_SUPPORTS_32BIT_KERNEL
  90. select SYS_SUPPORTS_LITTLE_ENDIAN
  91. select SSB
  92. select SSB_DRIVER_MIPS
  93. select SSB_DRIVER_EXTIF
  94. select SSB_EMBEDDED
  95. select SSB_B43_PCI_BRIDGE if PCI
  96. select SSB_PCICORE_HOSTMODE if PCI
  97. select GENERIC_GPIO
  98. select SYS_HAS_EARLY_PRINTK
  99. select CFE
  100. help
  101. Support for BCM47XX based boards
  102. config BCM63XX
  103. bool "Broadcom BCM63XX based boards"
  104. select CEVT_R4K
  105. select CSRC_R4K
  106. select DMA_NONCOHERENT
  107. select IRQ_CPU
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_BIG_ENDIAN
  111. select SYS_HAS_EARLY_PRINTK
  112. select SWAP_IO_SPACE
  113. select ARCH_REQUIRE_GPIOLIB
  114. help
  115. Support for BCM63XX based boards
  116. config MIPS_COBALT
  117. bool "Cobalt Server"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select CEVT_GT641XX
  121. select DMA_NONCOHERENT
  122. select HW_HAS_PCI
  123. select I8253
  124. select I8259
  125. select IRQ_CPU
  126. select IRQ_GT641XX
  127. select PCI_GT64XXX_PCI0
  128. select PCI
  129. select SYS_HAS_CPU_NEVADA
  130. select SYS_HAS_EARLY_PRINTK
  131. select SYS_SUPPORTS_32BIT_KERNEL
  132. select SYS_SUPPORTS_64BIT_KERNEL
  133. select SYS_SUPPORTS_LITTLE_ENDIAN
  134. config MACH_DECSTATION
  135. bool "DECstations"
  136. select BOOT_ELF32
  137. select CEVT_DS1287
  138. select CEVT_R4K
  139. select CSRC_IOASIC
  140. select CSRC_R4K
  141. select CPU_DADDI_WORKAROUNDS if 64BIT
  142. select CPU_R4000_WORKAROUNDS if 64BIT
  143. select CPU_R4400_WORKAROUNDS if 64BIT
  144. select DMA_NONCOHERENT
  145. select NO_IOPORT
  146. select IRQ_CPU
  147. select SYS_HAS_CPU_R3000
  148. select SYS_HAS_CPU_R4X00
  149. select SYS_SUPPORTS_32BIT_KERNEL
  150. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  151. select SYS_SUPPORTS_LITTLE_ENDIAN
  152. select SYS_SUPPORTS_128HZ
  153. select SYS_SUPPORTS_256HZ
  154. select SYS_SUPPORTS_1024HZ
  155. help
  156. This enables support for DEC's MIPS based workstations. For details
  157. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  158. DECstation porting pages on <http://decstation.unix-ag.org/>.
  159. If you have one of the following DECstation Models you definitely
  160. want to choose R4xx0 for the CPU Type:
  161. DECstation 5000/50
  162. DECstation 5000/150
  163. DECstation 5000/260
  164. DECsystem 5900/260
  165. otherwise choose R3000.
  166. config MACH_JAZZ
  167. bool "Jazz family of machines"
  168. select ARC
  169. select ARC32
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select CEVT_R4K
  172. select CSRC_R4K
  173. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  174. select GENERIC_ISA_DMA
  175. select HAVE_PCSPKR_PLATFORM
  176. select IRQ_CPU
  177. select I8253
  178. select I8259
  179. select ISA
  180. select SYS_HAS_CPU_R4X00
  181. select SYS_SUPPORTS_32BIT_KERNEL
  182. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  183. select SYS_SUPPORTS_100HZ
  184. help
  185. This a family of machines based on the MIPS R4030 chipset which was
  186. used by several vendors to build RISC/os and Windows NT workstations.
  187. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  188. Olivetti M700-10 workstations.
  189. config MACH_JZ4740
  190. bool "Ingenic JZ4740 based machines"
  191. select SYS_HAS_CPU_MIPS32_R1
  192. select SYS_SUPPORTS_32BIT_KERNEL
  193. select SYS_SUPPORTS_LITTLE_ENDIAN
  194. select DMA_NONCOHERENT
  195. select IRQ_CPU
  196. select GENERIC_GPIO
  197. select ARCH_REQUIRE_GPIOLIB
  198. select SYS_HAS_EARLY_PRINTK
  199. select HAVE_PWM
  200. select HAVE_CLK
  201. config LANTIQ
  202. bool "Lantiq based platforms"
  203. select DMA_NONCOHERENT
  204. select IRQ_CPU
  205. select CEVT_R4K
  206. select CSRC_R4K
  207. select SYS_HAS_CPU_MIPS32_R1
  208. select SYS_HAS_CPU_MIPS32_R2
  209. select SYS_SUPPORTS_BIG_ENDIAN
  210. select SYS_SUPPORTS_32BIT_KERNEL
  211. select SYS_SUPPORTS_MULTITHREADING
  212. select SYS_HAS_EARLY_PRINTK
  213. select ARCH_REQUIRE_GPIOLIB
  214. select SWAP_IO_SPACE
  215. select BOOT_RAW
  216. select HAVE_CLK
  217. select MIPS_MACHINE
  218. config LASAT
  219. bool "LASAT Networks platforms"
  220. select CEVT_R4K
  221. select CSRC_R4K
  222. select DMA_NONCOHERENT
  223. select SYS_HAS_EARLY_PRINTK
  224. select HW_HAS_PCI
  225. select IRQ_CPU
  226. select PCI_GT64XXX_PCI0
  227. select MIPS_NILE4
  228. select R5000_CPU_SCACHE
  229. select SYS_HAS_CPU_R5000
  230. select SYS_SUPPORTS_32BIT_KERNEL
  231. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  232. select SYS_SUPPORTS_LITTLE_ENDIAN
  233. config MACH_LOONGSON
  234. bool "Loongson family of machines"
  235. select SYS_SUPPORTS_ZBOOT
  236. help
  237. This enables the support of Loongson family of machines.
  238. Loongson is a family of general-purpose MIPS-compatible CPUs.
  239. developed at Institute of Computing Technology (ICT),
  240. Chinese Academy of Sciences (CAS) in the People's Republic
  241. of China. The chief architect is Professor Weiwu Hu.
  242. config MIPS_MALTA
  243. bool "MIPS Malta board"
  244. select ARCH_MAY_HAVE_PC_FDC
  245. select BOOT_ELF32
  246. select BOOT_RAW
  247. select CEVT_R4K
  248. select CSRC_R4K
  249. select DMA_NONCOHERENT
  250. select GENERIC_ISA_DMA
  251. select HAVE_PCSPKR_PLATFORM
  252. select IRQ_CPU
  253. select IRQ_GIC
  254. select HW_HAS_PCI
  255. select I8253
  256. select I8259
  257. select MIPS_BOARDS_GEN
  258. select MIPS_BONITO64
  259. select MIPS_CPU_SCACHE
  260. select PCI_GT64XXX_PCI0
  261. select MIPS_MSC
  262. select SWAP_IO_SPACE
  263. select SYS_HAS_CPU_MIPS32_R1
  264. select SYS_HAS_CPU_MIPS32_R2
  265. select SYS_HAS_CPU_MIPS64_R1
  266. select SYS_HAS_CPU_NEVADA
  267. select SYS_HAS_CPU_RM7000
  268. select SYS_HAS_EARLY_PRINTK
  269. select SYS_SUPPORTS_32BIT_KERNEL
  270. select SYS_SUPPORTS_64BIT_KERNEL
  271. select SYS_SUPPORTS_BIG_ENDIAN
  272. select SYS_SUPPORTS_LITTLE_ENDIAN
  273. select SYS_SUPPORTS_MIPS_CMP
  274. select SYS_SUPPORTS_MULTITHREADING
  275. select SYS_SUPPORTS_SMARTMIPS
  276. select SYS_SUPPORTS_ZBOOT
  277. help
  278. This enables support for the MIPS Technologies Malta evaluation
  279. board.
  280. config MIPS_SIM
  281. bool 'MIPS simulator (MIPSsim)'
  282. select CEVT_R4K
  283. select CSRC_R4K
  284. select DMA_NONCOHERENT
  285. select SYS_HAS_EARLY_PRINTK
  286. select IRQ_CPU
  287. select BOOT_RAW
  288. select SYS_HAS_CPU_MIPS32_R1
  289. select SYS_HAS_CPU_MIPS32_R2
  290. select SYS_HAS_EARLY_PRINTK
  291. select SYS_SUPPORTS_32BIT_KERNEL
  292. select SYS_SUPPORTS_BIG_ENDIAN
  293. select SYS_SUPPORTS_MULTITHREADING
  294. select SYS_SUPPORTS_LITTLE_ENDIAN
  295. help
  296. This option enables support for MIPS Technologies MIPSsim software
  297. emulator.
  298. config NEC_MARKEINS
  299. bool "NEC EMMA2RH Mark-eins board"
  300. select SOC_EMMA2RH
  301. select HW_HAS_PCI
  302. help
  303. This enables support for the NEC Electronics Mark-eins boards.
  304. config MACH_VR41XX
  305. bool "NEC VR4100 series based machines"
  306. select CEVT_R4K
  307. select CSRC_R4K
  308. select SYS_HAS_CPU_VR41XX
  309. select ARCH_REQUIRE_GPIOLIB
  310. config NXP_STB220
  311. bool "NXP STB220 board"
  312. select SOC_PNX833X
  313. help
  314. Support for NXP Semiconductors STB220 Development Board.
  315. config NXP_STB225
  316. bool "NXP 225 board"
  317. select SOC_PNX833X
  318. select SOC_PNX8335
  319. help
  320. Support for NXP Semiconductors STB225 Development Board.
  321. config PNX8550_JBS
  322. bool "NXP PNX8550 based JBS board"
  323. select PNX8550
  324. select SYS_SUPPORTS_LITTLE_ENDIAN
  325. config PNX8550_STB810
  326. bool "NXP PNX8550 based STB810 board"
  327. select PNX8550
  328. select SYS_SUPPORTS_LITTLE_ENDIAN
  329. config PMC_MSP
  330. bool "PMC-Sierra MSP chipsets"
  331. depends on EXPERIMENTAL
  332. select CEVT_R4K
  333. select CSRC_R4K
  334. select DMA_NONCOHERENT
  335. select SWAP_IO_SPACE
  336. select NO_EXCEPT_FILL
  337. select BOOT_RAW
  338. select SYS_HAS_CPU_MIPS32_R1
  339. select SYS_HAS_CPU_MIPS32_R2
  340. select SYS_SUPPORTS_32BIT_KERNEL
  341. select SYS_SUPPORTS_BIG_ENDIAN
  342. select IRQ_CPU
  343. select SERIAL_8250
  344. select SERIAL_8250_CONSOLE
  345. help
  346. This adds support for the PMC-Sierra family of Multi-Service
  347. Processor System-On-A-Chips. These parts include a number
  348. of integrated peripherals, interfaces and DSPs in addition to
  349. a variety of MIPS cores.
  350. config PMC_YOSEMITE
  351. bool "PMC-Sierra Yosemite eval board"
  352. select CEVT_R4K
  353. select CSRC_R4K
  354. select DMA_COHERENT
  355. select HW_HAS_PCI
  356. select IRQ_CPU
  357. select IRQ_CPU_RM7K
  358. select IRQ_CPU_RM9K
  359. select SWAP_IO_SPACE
  360. select SYS_HAS_CPU_RM9000
  361. select SYS_HAS_EARLY_PRINTK
  362. select SYS_SUPPORTS_32BIT_KERNEL
  363. select SYS_SUPPORTS_64BIT_KERNEL
  364. select SYS_SUPPORTS_BIG_ENDIAN
  365. select SYS_SUPPORTS_HIGHMEM
  366. select SYS_SUPPORTS_SMP
  367. help
  368. Yosemite is an evaluation board for the RM9000x2 processor
  369. manufactured by PMC-Sierra.
  370. config POWERTV
  371. bool "Cisco PowerTV"
  372. select BOOT_ELF32
  373. select CEVT_R4K
  374. select CPU_MIPSR2_IRQ_VI
  375. select CPU_MIPSR2_IRQ_EI
  376. select CSRC_POWERTV
  377. select DMA_NONCOHERENT
  378. select HW_HAS_PCI
  379. select SYS_HAS_EARLY_PRINTK
  380. select SYS_HAS_CPU_MIPS32_R2
  381. select SYS_SUPPORTS_32BIT_KERNEL
  382. select SYS_SUPPORTS_BIG_ENDIAN
  383. select SYS_SUPPORTS_HIGHMEM
  384. select USB_OHCI_LITTLE_ENDIAN
  385. help
  386. This enables support for the Cisco PowerTV Platform.
  387. config SGI_IP22
  388. bool "SGI IP22 (Indy/Indigo2)"
  389. select ARC
  390. select ARC32
  391. select BOOT_ELF32
  392. select CEVT_R4K
  393. select CSRC_R4K
  394. select DEFAULT_SGI_PARTITION
  395. select DMA_NONCOHERENT
  396. select HW_HAS_EISA
  397. select I8253
  398. select I8259
  399. select IP22_CPU_SCACHE
  400. select IRQ_CPU
  401. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  402. select SGI_HAS_I8042
  403. select SGI_HAS_INDYDOG
  404. select SGI_HAS_HAL2
  405. select SGI_HAS_SEEQ
  406. select SGI_HAS_WD93
  407. select SGI_HAS_ZILOG
  408. select SWAP_IO_SPACE
  409. select SYS_HAS_CPU_R4X00
  410. select SYS_HAS_CPU_R5000
  411. #
  412. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  413. # memory during early boot on some machines.
  414. #
  415. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  416. # for a more details discussion
  417. #
  418. # select SYS_HAS_EARLY_PRINTK
  419. select SYS_SUPPORTS_32BIT_KERNEL
  420. select SYS_SUPPORTS_64BIT_KERNEL
  421. select SYS_SUPPORTS_BIG_ENDIAN
  422. help
  423. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  424. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  425. that runs on these, say Y here.
  426. config SGI_IP27
  427. bool "SGI IP27 (Origin200/2000)"
  428. select ARC
  429. select ARC64
  430. select BOOT_ELF64
  431. select DEFAULT_SGI_PARTITION
  432. select DMA_COHERENT
  433. select SYS_HAS_EARLY_PRINTK
  434. select HW_HAS_PCI
  435. select NR_CPUS_DEFAULT_64
  436. select SYS_HAS_CPU_R10000
  437. select SYS_SUPPORTS_64BIT_KERNEL
  438. select SYS_SUPPORTS_BIG_ENDIAN
  439. select SYS_SUPPORTS_NUMA
  440. select SYS_SUPPORTS_SMP
  441. help
  442. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  443. workstations. To compile a Linux kernel that runs on these, say Y
  444. here.
  445. config SGI_IP28
  446. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  447. depends on EXPERIMENTAL
  448. select ARC
  449. select ARC64
  450. select BOOT_ELF64
  451. select CEVT_R4K
  452. select CSRC_R4K
  453. select DEFAULT_SGI_PARTITION
  454. select DMA_NONCOHERENT
  455. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  456. select IRQ_CPU
  457. select HW_HAS_EISA
  458. select I8253
  459. select I8259
  460. select SGI_HAS_I8042
  461. select SGI_HAS_INDYDOG
  462. select SGI_HAS_HAL2
  463. select SGI_HAS_SEEQ
  464. select SGI_HAS_WD93
  465. select SGI_HAS_ZILOG
  466. select SWAP_IO_SPACE
  467. select SYS_HAS_CPU_R10000
  468. #
  469. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  470. # memory during early boot on some machines.
  471. #
  472. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  473. # for a more details discussion
  474. #
  475. # select SYS_HAS_EARLY_PRINTK
  476. select SYS_SUPPORTS_64BIT_KERNEL
  477. select SYS_SUPPORTS_BIG_ENDIAN
  478. help
  479. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  480. kernel that runs on these, say Y here.
  481. config SGI_IP32
  482. bool "SGI IP32 (O2)"
  483. select ARC
  484. select ARC32
  485. select BOOT_ELF32
  486. select CEVT_R4K
  487. select CSRC_R4K
  488. select DMA_NONCOHERENT
  489. select HW_HAS_PCI
  490. select IRQ_CPU
  491. select R5000_CPU_SCACHE
  492. select RM7000_CPU_SCACHE
  493. select SYS_HAS_CPU_R5000
  494. select SYS_HAS_CPU_R10000 if BROKEN
  495. select SYS_HAS_CPU_RM7000
  496. select SYS_HAS_CPU_NEVADA
  497. select SYS_SUPPORTS_64BIT_KERNEL
  498. select SYS_SUPPORTS_BIG_ENDIAN
  499. help
  500. If you want this kernel to run on SGI O2 workstation, say Y here.
  501. config SIBYTE_CRHINE
  502. bool "Sibyte BCM91120C-CRhine"
  503. depends on EXPERIMENTAL
  504. select BOOT_ELF32
  505. select DMA_COHERENT
  506. select SIBYTE_BCM1120
  507. select SWAP_IO_SPACE
  508. select SYS_HAS_CPU_SB1
  509. select SYS_SUPPORTS_BIG_ENDIAN
  510. select SYS_SUPPORTS_LITTLE_ENDIAN
  511. config SIBYTE_CARMEL
  512. bool "Sibyte BCM91120x-Carmel"
  513. depends on EXPERIMENTAL
  514. select BOOT_ELF32
  515. select DMA_COHERENT
  516. select SIBYTE_BCM1120
  517. select SWAP_IO_SPACE
  518. select SYS_HAS_CPU_SB1
  519. select SYS_SUPPORTS_BIG_ENDIAN
  520. select SYS_SUPPORTS_LITTLE_ENDIAN
  521. config SIBYTE_CRHONE
  522. bool "Sibyte BCM91125C-CRhone"
  523. depends on EXPERIMENTAL
  524. select BOOT_ELF32
  525. select DMA_COHERENT
  526. select SIBYTE_BCM1125
  527. select SWAP_IO_SPACE
  528. select SYS_HAS_CPU_SB1
  529. select SYS_SUPPORTS_BIG_ENDIAN
  530. select SYS_SUPPORTS_HIGHMEM
  531. select SYS_SUPPORTS_LITTLE_ENDIAN
  532. config SIBYTE_RHONE
  533. bool "Sibyte BCM91125E-Rhone"
  534. depends on EXPERIMENTAL
  535. select BOOT_ELF32
  536. select DMA_COHERENT
  537. select SIBYTE_BCM1125H
  538. select SWAP_IO_SPACE
  539. select SYS_HAS_CPU_SB1
  540. select SYS_SUPPORTS_BIG_ENDIAN
  541. select SYS_SUPPORTS_LITTLE_ENDIAN
  542. config SIBYTE_SWARM
  543. bool "Sibyte BCM91250A-SWARM"
  544. select BOOT_ELF32
  545. select DMA_COHERENT
  546. select HAVE_PATA_PLATFORM
  547. select NR_CPUS_DEFAULT_2
  548. select SIBYTE_SB1250
  549. select SWAP_IO_SPACE
  550. select SYS_HAS_CPU_SB1
  551. select SYS_SUPPORTS_BIG_ENDIAN
  552. select SYS_SUPPORTS_HIGHMEM
  553. select SYS_SUPPORTS_LITTLE_ENDIAN
  554. select ZONE_DMA32 if 64BIT
  555. config SIBYTE_LITTLESUR
  556. bool "Sibyte BCM91250C2-LittleSur"
  557. depends on EXPERIMENTAL
  558. select BOOT_ELF32
  559. select DMA_COHERENT
  560. select HAVE_PATA_PLATFORM
  561. select NR_CPUS_DEFAULT_2
  562. select SIBYTE_SB1250
  563. select SWAP_IO_SPACE
  564. select SYS_HAS_CPU_SB1
  565. select SYS_SUPPORTS_BIG_ENDIAN
  566. select SYS_SUPPORTS_HIGHMEM
  567. select SYS_SUPPORTS_LITTLE_ENDIAN
  568. config SIBYTE_SENTOSA
  569. bool "Sibyte BCM91250E-Sentosa"
  570. depends on EXPERIMENTAL
  571. select BOOT_ELF32
  572. select DMA_COHERENT
  573. select NR_CPUS_DEFAULT_2
  574. select SIBYTE_SB1250
  575. select SWAP_IO_SPACE
  576. select SYS_HAS_CPU_SB1
  577. select SYS_SUPPORTS_BIG_ENDIAN
  578. select SYS_SUPPORTS_LITTLE_ENDIAN
  579. config SIBYTE_BIGSUR
  580. bool "Sibyte BCM91480B-BigSur"
  581. select BOOT_ELF32
  582. select DMA_COHERENT
  583. select NR_CPUS_DEFAULT_4
  584. select SIBYTE_BCM1x80
  585. select SWAP_IO_SPACE
  586. select SYS_HAS_CPU_SB1
  587. select SYS_SUPPORTS_BIG_ENDIAN
  588. select SYS_SUPPORTS_HIGHMEM
  589. select SYS_SUPPORTS_LITTLE_ENDIAN
  590. select ZONE_DMA32 if 64BIT
  591. config SNI_RM
  592. bool "SNI RM200/300/400"
  593. select ARC if CPU_LITTLE_ENDIAN
  594. select ARC32 if CPU_LITTLE_ENDIAN
  595. select SNIPROM if CPU_BIG_ENDIAN
  596. select ARCH_MAY_HAVE_PC_FDC
  597. select BOOT_ELF32
  598. select CEVT_R4K
  599. select CSRC_R4K
  600. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  601. select DMA_NONCOHERENT
  602. select GENERIC_ISA_DMA
  603. select HAVE_PCSPKR_PLATFORM
  604. select HW_HAS_EISA
  605. select HW_HAS_PCI
  606. select IRQ_CPU
  607. select I8253
  608. select I8259
  609. select ISA
  610. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  611. select SYS_HAS_CPU_R4X00
  612. select SYS_HAS_CPU_R5000
  613. select SYS_HAS_CPU_R10000
  614. select R5000_CPU_SCACHE
  615. select SYS_HAS_EARLY_PRINTK
  616. select SYS_SUPPORTS_32BIT_KERNEL
  617. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  618. select SYS_SUPPORTS_BIG_ENDIAN
  619. select SYS_SUPPORTS_HIGHMEM
  620. select SYS_SUPPORTS_LITTLE_ENDIAN
  621. help
  622. The SNI RM200/300/400 are MIPS-based machines manufactured by
  623. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  624. Technology and now in turn merged with Fujitsu. Say Y here to
  625. support this machine type.
  626. config MACH_TX39XX
  627. bool "Toshiba TX39 series based machines"
  628. config MACH_TX49XX
  629. bool "Toshiba TX49 series based machines"
  630. config MIKROTIK_RB532
  631. bool "Mikrotik RB532 boards"
  632. select CEVT_R4K
  633. select CSRC_R4K
  634. select DMA_NONCOHERENT
  635. select HW_HAS_PCI
  636. select IRQ_CPU
  637. select SYS_HAS_CPU_MIPS32_R1
  638. select SYS_SUPPORTS_32BIT_KERNEL
  639. select SYS_SUPPORTS_LITTLE_ENDIAN
  640. select SWAP_IO_SPACE
  641. select BOOT_RAW
  642. select ARCH_REQUIRE_GPIOLIB
  643. help
  644. Support the Mikrotik(tm) RouterBoard 532 series,
  645. based on the IDT RC32434 SoC.
  646. config WR_PPMC
  647. bool "Wind River PPMC board"
  648. select CEVT_R4K
  649. select CSRC_R4K
  650. select IRQ_CPU
  651. select BOOT_ELF32
  652. select DMA_NONCOHERENT
  653. select HW_HAS_PCI
  654. select PCI_GT64XXX_PCI0
  655. select SWAP_IO_SPACE
  656. select SYS_HAS_CPU_MIPS32_R1
  657. select SYS_HAS_CPU_MIPS32_R2
  658. select SYS_HAS_CPU_MIPS64_R1
  659. select SYS_HAS_CPU_NEVADA
  660. select SYS_HAS_CPU_RM7000
  661. select SYS_SUPPORTS_32BIT_KERNEL
  662. select SYS_SUPPORTS_64BIT_KERNEL
  663. select SYS_SUPPORTS_BIG_ENDIAN
  664. select SYS_SUPPORTS_LITTLE_ENDIAN
  665. help
  666. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  667. board, which is based on GT64120 bridge chip.
  668. config CAVIUM_OCTEON_SIMULATOR
  669. bool "Cavium Networks Octeon Simulator"
  670. select CEVT_R4K
  671. select 64BIT_PHYS_ADDR
  672. select DMA_COHERENT
  673. select SYS_SUPPORTS_64BIT_KERNEL
  674. select SYS_SUPPORTS_BIG_ENDIAN
  675. select SYS_SUPPORTS_HIGHMEM
  676. select SYS_SUPPORTS_HOTPLUG_CPU
  677. select SYS_HAS_CPU_CAVIUM_OCTEON
  678. select HOLES_IN_ZONE
  679. help
  680. The Octeon simulator is software performance model of the Cavium
  681. Octeon Processor. It supports simulating Octeon processors on x86
  682. hardware.
  683. config CAVIUM_OCTEON_REFERENCE_BOARD
  684. bool "Cavium Networks Octeon reference board"
  685. select CEVT_R4K
  686. select 64BIT_PHYS_ADDR
  687. select DMA_COHERENT
  688. select SYS_SUPPORTS_64BIT_KERNEL
  689. select SYS_SUPPORTS_BIG_ENDIAN
  690. select SYS_SUPPORTS_HIGHMEM
  691. select SYS_SUPPORTS_HOTPLUG_CPU
  692. select SYS_HAS_EARLY_PRINTK
  693. select SYS_HAS_CPU_CAVIUM_OCTEON
  694. select SWAP_IO_SPACE
  695. select HW_HAS_PCI
  696. select ARCH_SUPPORTS_MSI
  697. select ZONE_DMA32
  698. select USB_ARCH_HAS_OHCI
  699. select USB_ARCH_HAS_EHCI
  700. select HOLES_IN_ZONE
  701. help
  702. This option supports all of the Octeon reference boards from Cavium
  703. Networks. It builds a kernel that dynamically determines the Octeon
  704. CPU type and supports all known board reference implementations.
  705. Some of the supported boards are:
  706. EBT3000
  707. EBH3000
  708. EBH3100
  709. Thunder
  710. Kodama
  711. Hikari
  712. Say Y here for most Octeon reference boards.
  713. config NLM_XLR_BOARD
  714. bool "Netlogic XLR/XLS based systems"
  715. depends on EXPERIMENTAL
  716. select BOOT_ELF32
  717. select NLM_COMMON
  718. select NLM_XLR
  719. select SYS_HAS_CPU_XLR
  720. select SYS_SUPPORTS_SMP
  721. select HW_HAS_PCI
  722. select SWAP_IO_SPACE
  723. select SYS_SUPPORTS_32BIT_KERNEL
  724. select SYS_SUPPORTS_64BIT_KERNEL
  725. select 64BIT_PHYS_ADDR
  726. select SYS_SUPPORTS_BIG_ENDIAN
  727. select SYS_SUPPORTS_HIGHMEM
  728. select DMA_COHERENT
  729. select NR_CPUS_DEFAULT_32
  730. select CEVT_R4K
  731. select CSRC_R4K
  732. select IRQ_CPU
  733. select ZONE_DMA if 64BIT
  734. select SYNC_R4K
  735. select SYS_HAS_EARLY_PRINTK
  736. help
  737. Support for systems based on Netlogic XLR and XLS processors.
  738. Say Y here if you have a XLR or XLS based board.
  739. endchoice
  740. source "arch/mips/alchemy/Kconfig"
  741. source "arch/mips/ath79/Kconfig"
  742. source "arch/mips/bcm63xx/Kconfig"
  743. source "arch/mips/jazz/Kconfig"
  744. source "arch/mips/jz4740/Kconfig"
  745. source "arch/mips/lantiq/Kconfig"
  746. source "arch/mips/lasat/Kconfig"
  747. source "arch/mips/pmc-sierra/Kconfig"
  748. source "arch/mips/powertv/Kconfig"
  749. source "arch/mips/sgi-ip27/Kconfig"
  750. source "arch/mips/sibyte/Kconfig"
  751. source "arch/mips/txx9/Kconfig"
  752. source "arch/mips/vr41xx/Kconfig"
  753. source "arch/mips/cavium-octeon/Kconfig"
  754. source "arch/mips/loongson/Kconfig"
  755. source "arch/mips/netlogic/Kconfig"
  756. endmenu
  757. config RWSEM_GENERIC_SPINLOCK
  758. bool
  759. default y
  760. config RWSEM_XCHGADD_ALGORITHM
  761. bool
  762. config ARCH_HAS_ILOG2_U32
  763. bool
  764. default n
  765. config ARCH_HAS_ILOG2_U64
  766. bool
  767. default n
  768. config ARCH_SUPPORTS_OPROFILE
  769. bool
  770. default y if !MIPS_MT_SMTC
  771. config GENERIC_HWEIGHT
  772. bool
  773. default y
  774. config GENERIC_CALIBRATE_DELAY
  775. bool
  776. default y
  777. config GENERIC_CLOCKEVENTS
  778. bool
  779. default y
  780. config GENERIC_CMOS_UPDATE
  781. bool
  782. default y
  783. config SCHED_OMIT_FRAME_POINTER
  784. bool
  785. default y
  786. #
  787. # Select some configuration options automatically based on user selections.
  788. #
  789. config ARC
  790. bool
  791. config ARCH_MAY_HAVE_PC_FDC
  792. bool
  793. config BOOT_RAW
  794. bool
  795. config CEVT_BCM1480
  796. bool
  797. config CEVT_DS1287
  798. bool
  799. config CEVT_GT641XX
  800. bool
  801. config CEVT_R4K_LIB
  802. bool
  803. config CEVT_R4K
  804. select CEVT_R4K_LIB
  805. bool
  806. config CEVT_SB1250
  807. bool
  808. config CEVT_TXX9
  809. bool
  810. config CSRC_BCM1480
  811. bool
  812. config CSRC_IOASIC
  813. bool
  814. config CSRC_POWERTV
  815. bool
  816. config CSRC_R4K_LIB
  817. bool
  818. config CSRC_R4K
  819. select CSRC_R4K_LIB
  820. bool
  821. config CSRC_SB1250
  822. bool
  823. config GPIO_TXX9
  824. select GENERIC_GPIO
  825. select ARCH_REQUIRE_GPIOLIB
  826. bool
  827. config CFE
  828. bool
  829. config ARCH_DMA_ADDR_T_64BIT
  830. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  831. config DMA_COHERENT
  832. bool
  833. config DMA_NONCOHERENT
  834. bool
  835. select NEED_DMA_MAP_STATE
  836. config NEED_DMA_MAP_STATE
  837. bool
  838. config SYS_HAS_EARLY_PRINTK
  839. bool
  840. config HOTPLUG_CPU
  841. bool "Support for hot-pluggable CPUs"
  842. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  843. help
  844. Say Y here to allow turning CPUs off and on. CPUs can be
  845. controlled through /sys/devices/system/cpu.
  846. (Note: power management support will enable this option
  847. automatically on SMP systems. )
  848. Say N if you want to disable CPU hotplug.
  849. config SYS_SUPPORTS_HOTPLUG_CPU
  850. bool
  851. config I8259
  852. bool
  853. config MIPS_BONITO64
  854. bool
  855. config MIPS_MSC
  856. bool
  857. config MIPS_NILE4
  858. bool
  859. config MIPS_DISABLE_OBSOLETE_IDE
  860. bool
  861. config SYNC_R4K
  862. bool
  863. config MIPS_MACHINE
  864. def_bool n
  865. config NO_IOPORT
  866. def_bool n
  867. config GENERIC_ISA_DMA
  868. bool
  869. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  870. select ISA_DMA_API
  871. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  872. bool
  873. select GENERIC_ISA_DMA
  874. config ISA_DMA_API
  875. bool
  876. config GENERIC_GPIO
  877. bool
  878. config HOLES_IN_ZONE
  879. bool
  880. #
  881. # Endianess selection. Sufficiently obscure so many users don't know what to
  882. # answer,so we try hard to limit the available choices. Also the use of a
  883. # choice statement should be more obvious to the user.
  884. #
  885. choice
  886. prompt "Endianess selection"
  887. help
  888. Some MIPS machines can be configured for either little or big endian
  889. byte order. These modes require different kernels and a different
  890. Linux distribution. In general there is one preferred byteorder for a
  891. particular system but some systems are just as commonly used in the
  892. one or the other endianness.
  893. config CPU_BIG_ENDIAN
  894. bool "Big endian"
  895. depends on SYS_SUPPORTS_BIG_ENDIAN
  896. config CPU_LITTLE_ENDIAN
  897. bool "Little endian"
  898. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  899. help
  900. endchoice
  901. config EXPORT_UASM
  902. bool
  903. config SYS_SUPPORTS_APM_EMULATION
  904. bool
  905. config SYS_SUPPORTS_BIG_ENDIAN
  906. bool
  907. config SYS_SUPPORTS_LITTLE_ENDIAN
  908. bool
  909. config SYS_SUPPORTS_HUGETLBFS
  910. bool
  911. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  912. default y
  913. config IRQ_CPU
  914. bool
  915. config IRQ_CPU_RM7K
  916. bool
  917. config IRQ_CPU_RM9K
  918. bool
  919. config IRQ_MSP_SLP
  920. bool
  921. config IRQ_MSP_CIC
  922. bool
  923. config IRQ_TXX9
  924. bool
  925. config IRQ_GT641XX
  926. bool
  927. config IRQ_GIC
  928. bool
  929. config MIPS_BOARDS_GEN
  930. bool
  931. config PCI_GT64XXX_PCI0
  932. bool
  933. config NO_EXCEPT_FILL
  934. bool
  935. config MIPS_RM9122
  936. bool
  937. select SERIAL_RM9000
  938. config SOC_EMMA2RH
  939. bool
  940. select CEVT_R4K
  941. select CSRC_R4K
  942. select DMA_NONCOHERENT
  943. select IRQ_CPU
  944. select SWAP_IO_SPACE
  945. select SYS_HAS_CPU_R5500
  946. select SYS_SUPPORTS_32BIT_KERNEL
  947. select SYS_SUPPORTS_64BIT_KERNEL
  948. select SYS_SUPPORTS_BIG_ENDIAN
  949. config SOC_PNX833X
  950. bool
  951. select CEVT_R4K
  952. select CSRC_R4K
  953. select IRQ_CPU
  954. select DMA_NONCOHERENT
  955. select SYS_HAS_CPU_MIPS32_R2
  956. select SYS_SUPPORTS_32BIT_KERNEL
  957. select SYS_SUPPORTS_LITTLE_ENDIAN
  958. select SYS_SUPPORTS_BIG_ENDIAN
  959. select GENERIC_GPIO
  960. select CPU_MIPSR2_IRQ_VI
  961. config SOC_PNX8335
  962. bool
  963. select SOC_PNX833X
  964. config PNX8550
  965. bool
  966. select SOC_PNX8550
  967. config SOC_PNX8550
  968. bool
  969. select DMA_NONCOHERENT
  970. select HW_HAS_PCI
  971. select SYS_HAS_CPU_MIPS32_R1
  972. select SYS_HAS_EARLY_PRINTK
  973. select SYS_SUPPORTS_32BIT_KERNEL
  974. select GENERIC_GPIO
  975. config SWAP_IO_SPACE
  976. bool
  977. config SERIAL_RM9000
  978. bool
  979. config SGI_HAS_INDYDOG
  980. bool
  981. config SGI_HAS_HAL2
  982. bool
  983. config SGI_HAS_SEEQ
  984. bool
  985. config SGI_HAS_WD93
  986. bool
  987. config SGI_HAS_ZILOG
  988. bool
  989. config SGI_HAS_I8042
  990. bool
  991. config DEFAULT_SGI_PARTITION
  992. bool
  993. config ARC32
  994. bool
  995. config SNIPROM
  996. bool
  997. config BOOT_ELF32
  998. bool
  999. config MIPS_L1_CACHE_SHIFT
  1000. int
  1001. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1002. default "6" if MIPS_CPU_SCACHE
  1003. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1004. default "5"
  1005. config HAVE_STD_PC_SERIAL_PORT
  1006. bool
  1007. config ARC_CONSOLE
  1008. bool "ARC console support"
  1009. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1010. config ARC_MEMORY
  1011. bool
  1012. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1013. default y
  1014. config ARC_PROMLIB
  1015. bool
  1016. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1017. default y
  1018. config ARC64
  1019. bool
  1020. config BOOT_ELF64
  1021. bool
  1022. menu "CPU selection"
  1023. choice
  1024. prompt "CPU type"
  1025. default CPU_R4X00
  1026. config CPU_LOONGSON2E
  1027. bool "Loongson 2E"
  1028. depends on SYS_HAS_CPU_LOONGSON2E
  1029. select CPU_LOONGSON2
  1030. help
  1031. The Loongson 2E processor implements the MIPS III instruction set
  1032. with many extensions.
  1033. It has an internal FPGA northbridge, which is compatible to
  1034. bonito64.
  1035. config CPU_LOONGSON2F
  1036. bool "Loongson 2F"
  1037. depends on SYS_HAS_CPU_LOONGSON2F
  1038. select CPU_LOONGSON2
  1039. select GENERIC_GPIO
  1040. select ARCH_REQUIRE_GPIOLIB
  1041. help
  1042. The Loongson 2F processor implements the MIPS III instruction set
  1043. with many extensions.
  1044. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1045. have a similar programming interface with FPGA northbridge used in
  1046. Loongson2E.
  1047. config CPU_MIPS32_R1
  1048. bool "MIPS32 Release 1"
  1049. depends on SYS_HAS_CPU_MIPS32_R1
  1050. select CPU_HAS_PREFETCH
  1051. select CPU_SUPPORTS_32BIT_KERNEL
  1052. select CPU_SUPPORTS_HIGHMEM
  1053. help
  1054. Choose this option to build a kernel for release 1 or later of the
  1055. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1056. MIPS processor are based on a MIPS32 processor. If you know the
  1057. specific type of processor in your system, choose those that one
  1058. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1059. Release 2 of the MIPS32 architecture is available since several
  1060. years so chances are you even have a MIPS32 Release 2 processor
  1061. in which case you should choose CPU_MIPS32_R2 instead for better
  1062. performance.
  1063. config CPU_MIPS32_R2
  1064. bool "MIPS32 Release 2"
  1065. depends on SYS_HAS_CPU_MIPS32_R2
  1066. select CPU_HAS_PREFETCH
  1067. select CPU_SUPPORTS_32BIT_KERNEL
  1068. select CPU_SUPPORTS_HIGHMEM
  1069. help
  1070. Choose this option to build a kernel for release 2 or later of the
  1071. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1072. MIPS processor are based on a MIPS32 processor. If you know the
  1073. specific type of processor in your system, choose those that one
  1074. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1075. config CPU_MIPS64_R1
  1076. bool "MIPS64 Release 1"
  1077. depends on SYS_HAS_CPU_MIPS64_R1
  1078. select CPU_HAS_PREFETCH
  1079. select CPU_SUPPORTS_32BIT_KERNEL
  1080. select CPU_SUPPORTS_64BIT_KERNEL
  1081. select CPU_SUPPORTS_HIGHMEM
  1082. select CPU_SUPPORTS_HUGEPAGES
  1083. help
  1084. Choose this option to build a kernel for release 1 or later of the
  1085. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1086. MIPS processor are based on a MIPS64 processor. If you know the
  1087. specific type of processor in your system, choose those that one
  1088. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1089. Release 2 of the MIPS64 architecture is available since several
  1090. years so chances are you even have a MIPS64 Release 2 processor
  1091. in which case you should choose CPU_MIPS64_R2 instead for better
  1092. performance.
  1093. config CPU_MIPS64_R2
  1094. bool "MIPS64 Release 2"
  1095. depends on SYS_HAS_CPU_MIPS64_R2
  1096. select CPU_HAS_PREFETCH
  1097. select CPU_SUPPORTS_32BIT_KERNEL
  1098. select CPU_SUPPORTS_64BIT_KERNEL
  1099. select CPU_SUPPORTS_HIGHMEM
  1100. select CPU_SUPPORTS_HUGEPAGES
  1101. help
  1102. Choose this option to build a kernel for release 2 or later of the
  1103. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1104. MIPS processor are based on a MIPS64 processor. If you know the
  1105. specific type of processor in your system, choose those that one
  1106. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1107. config CPU_R3000
  1108. bool "R3000"
  1109. depends on SYS_HAS_CPU_R3000
  1110. select CPU_HAS_WB
  1111. select CPU_SUPPORTS_32BIT_KERNEL
  1112. select CPU_SUPPORTS_HIGHMEM
  1113. help
  1114. Please make sure to pick the right CPU type. Linux/MIPS is not
  1115. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1116. *not* work on R4000 machines and vice versa. However, since most
  1117. of the supported machines have an R4000 (or similar) CPU, R4x00
  1118. might be a safe bet. If the resulting kernel does not work,
  1119. try to recompile with R3000.
  1120. config CPU_TX39XX
  1121. bool "R39XX"
  1122. depends on SYS_HAS_CPU_TX39XX
  1123. select CPU_SUPPORTS_32BIT_KERNEL
  1124. config CPU_VR41XX
  1125. bool "R41xx"
  1126. depends on SYS_HAS_CPU_VR41XX
  1127. select CPU_SUPPORTS_32BIT_KERNEL
  1128. select CPU_SUPPORTS_64BIT_KERNEL
  1129. help
  1130. The options selects support for the NEC VR4100 series of processors.
  1131. Only choose this option if you have one of these processors as a
  1132. kernel built with this option will not run on any other type of
  1133. processor or vice versa.
  1134. config CPU_R4300
  1135. bool "R4300"
  1136. depends on SYS_HAS_CPU_R4300
  1137. select CPU_SUPPORTS_32BIT_KERNEL
  1138. select CPU_SUPPORTS_64BIT_KERNEL
  1139. help
  1140. MIPS Technologies R4300-series processors.
  1141. config CPU_R4X00
  1142. bool "R4x00"
  1143. depends on SYS_HAS_CPU_R4X00
  1144. select CPU_SUPPORTS_32BIT_KERNEL
  1145. select CPU_SUPPORTS_64BIT_KERNEL
  1146. help
  1147. MIPS Technologies R4000-series processors other than 4300, including
  1148. the R4000, R4400, R4600, and 4700.
  1149. config CPU_TX49XX
  1150. bool "R49XX"
  1151. depends on SYS_HAS_CPU_TX49XX
  1152. select CPU_HAS_PREFETCH
  1153. select CPU_SUPPORTS_32BIT_KERNEL
  1154. select CPU_SUPPORTS_64BIT_KERNEL
  1155. config CPU_R5000
  1156. bool "R5000"
  1157. depends on SYS_HAS_CPU_R5000
  1158. select CPU_SUPPORTS_32BIT_KERNEL
  1159. select CPU_SUPPORTS_64BIT_KERNEL
  1160. help
  1161. MIPS Technologies R5000-series processors other than the Nevada.
  1162. config CPU_R5432
  1163. bool "R5432"
  1164. depends on SYS_HAS_CPU_R5432
  1165. select CPU_SUPPORTS_32BIT_KERNEL
  1166. select CPU_SUPPORTS_64BIT_KERNEL
  1167. config CPU_R5500
  1168. bool "R5500"
  1169. depends on SYS_HAS_CPU_R5500
  1170. select CPU_SUPPORTS_32BIT_KERNEL
  1171. select CPU_SUPPORTS_64BIT_KERNEL
  1172. select CPU_SUPPORTS_HUGEPAGES
  1173. help
  1174. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1175. instruction set.
  1176. config CPU_R6000
  1177. bool "R6000"
  1178. depends on EXPERIMENTAL
  1179. depends on SYS_HAS_CPU_R6000
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. help
  1182. MIPS Technologies R6000 and R6000A series processors. Note these
  1183. processors are extremely rare and the support for them is incomplete.
  1184. config CPU_NEVADA
  1185. bool "RM52xx"
  1186. depends on SYS_HAS_CPU_NEVADA
  1187. select CPU_SUPPORTS_32BIT_KERNEL
  1188. select CPU_SUPPORTS_64BIT_KERNEL
  1189. help
  1190. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1191. config CPU_R8000
  1192. bool "R8000"
  1193. depends on EXPERIMENTAL
  1194. depends on SYS_HAS_CPU_R8000
  1195. select CPU_HAS_PREFETCH
  1196. select CPU_SUPPORTS_64BIT_KERNEL
  1197. help
  1198. MIPS Technologies R8000 processors. Note these processors are
  1199. uncommon and the support for them is incomplete.
  1200. config CPU_R10000
  1201. bool "R10000"
  1202. depends on SYS_HAS_CPU_R10000
  1203. select CPU_HAS_PREFETCH
  1204. select CPU_SUPPORTS_32BIT_KERNEL
  1205. select CPU_SUPPORTS_64BIT_KERNEL
  1206. select CPU_SUPPORTS_HIGHMEM
  1207. help
  1208. MIPS Technologies R10000-series processors.
  1209. config CPU_RM7000
  1210. bool "RM7000"
  1211. depends on SYS_HAS_CPU_RM7000
  1212. select CPU_HAS_PREFETCH
  1213. select CPU_SUPPORTS_32BIT_KERNEL
  1214. select CPU_SUPPORTS_64BIT_KERNEL
  1215. select CPU_SUPPORTS_HIGHMEM
  1216. config CPU_RM9000
  1217. bool "RM9000"
  1218. depends on SYS_HAS_CPU_RM9000
  1219. select CPU_HAS_PREFETCH
  1220. select CPU_SUPPORTS_32BIT_KERNEL
  1221. select CPU_SUPPORTS_64BIT_KERNEL
  1222. select CPU_SUPPORTS_HIGHMEM
  1223. select WEAK_ORDERING
  1224. config CPU_SB1
  1225. bool "SB1"
  1226. depends on SYS_HAS_CPU_SB1
  1227. select CPU_SUPPORTS_32BIT_KERNEL
  1228. select CPU_SUPPORTS_64BIT_KERNEL
  1229. select CPU_SUPPORTS_HIGHMEM
  1230. select WEAK_ORDERING
  1231. config CPU_CAVIUM_OCTEON
  1232. bool "Cavium Octeon processor"
  1233. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1234. select CPU_HAS_PREFETCH
  1235. select CPU_SUPPORTS_64BIT_KERNEL
  1236. select SYS_SUPPORTS_SMP
  1237. select NR_CPUS_DEFAULT_16
  1238. select WEAK_ORDERING
  1239. select CPU_SUPPORTS_HIGHMEM
  1240. select CPU_SUPPORTS_HUGEPAGES
  1241. help
  1242. The Cavium Octeon processor is a highly integrated chip containing
  1243. many ethernet hardware widgets for networking tasks. The processor
  1244. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1245. Full details can be found at http://www.caviumnetworks.com.
  1246. config CPU_BMIPS3300
  1247. bool "BMIPS3300"
  1248. depends on SYS_HAS_CPU_BMIPS3300
  1249. select DMA_NONCOHERENT
  1250. select IRQ_CPU
  1251. select SWAP_IO_SPACE
  1252. select SYS_SUPPORTS_32BIT_KERNEL
  1253. select WEAK_ORDERING
  1254. help
  1255. Broadcom BMIPS3300 processors.
  1256. config CPU_BMIPS4350
  1257. bool "BMIPS4350"
  1258. depends on SYS_HAS_CPU_BMIPS4350
  1259. select CPU_SUPPORTS_32BIT_KERNEL
  1260. select DMA_NONCOHERENT
  1261. select IRQ_CPU
  1262. select SWAP_IO_SPACE
  1263. select SYS_SUPPORTS_SMP
  1264. select SYS_SUPPORTS_HOTPLUG_CPU
  1265. select WEAK_ORDERING
  1266. help
  1267. Broadcom BMIPS4350 ("VIPER") processors.
  1268. config CPU_BMIPS4380
  1269. bool "BMIPS4380"
  1270. depends on SYS_HAS_CPU_BMIPS4380
  1271. select CPU_SUPPORTS_32BIT_KERNEL
  1272. select DMA_NONCOHERENT
  1273. select IRQ_CPU
  1274. select SWAP_IO_SPACE
  1275. select SYS_SUPPORTS_SMP
  1276. select SYS_SUPPORTS_HOTPLUG_CPU
  1277. select WEAK_ORDERING
  1278. help
  1279. Broadcom BMIPS4380 processors.
  1280. config CPU_BMIPS5000
  1281. bool "BMIPS5000"
  1282. depends on SYS_HAS_CPU_BMIPS5000
  1283. select CPU_SUPPORTS_32BIT_KERNEL
  1284. select CPU_SUPPORTS_HIGHMEM
  1285. select DMA_NONCOHERENT
  1286. select IRQ_CPU
  1287. select SWAP_IO_SPACE
  1288. select SYS_SUPPORTS_SMP
  1289. select SYS_SUPPORTS_HOTPLUG_CPU
  1290. select WEAK_ORDERING
  1291. help
  1292. Broadcom BMIPS5000 processors.
  1293. config CPU_XLR
  1294. bool "Netlogic XLR SoC"
  1295. depends on SYS_HAS_CPU_XLR
  1296. select CPU_SUPPORTS_32BIT_KERNEL
  1297. select CPU_SUPPORTS_64BIT_KERNEL
  1298. select CPU_SUPPORTS_HIGHMEM
  1299. select WEAK_ORDERING
  1300. select WEAK_REORDERING_BEYOND_LLSC
  1301. select CPU_SUPPORTS_HUGEPAGES
  1302. help
  1303. Netlogic Microsystems XLR/XLS processors.
  1304. endchoice
  1305. if CPU_LOONGSON2F
  1306. config CPU_NOP_WORKAROUNDS
  1307. bool
  1308. config CPU_JUMP_WORKAROUNDS
  1309. bool
  1310. config CPU_LOONGSON2F_WORKAROUNDS
  1311. bool "Loongson 2F Workarounds"
  1312. default y
  1313. select CPU_NOP_WORKAROUNDS
  1314. select CPU_JUMP_WORKAROUNDS
  1315. help
  1316. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1317. require workarounds. Without workarounds the system may hang
  1318. unexpectedly. For more information please refer to the gas
  1319. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1320. Loongson 2F03 and later have fixed these issues and no workarounds
  1321. are needed. The workarounds have no significant side effect on them
  1322. but may decrease the performance of the system so this option should
  1323. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1324. systems.
  1325. If unsure, please say Y.
  1326. endif # CPU_LOONGSON2F
  1327. config SYS_SUPPORTS_ZBOOT
  1328. bool
  1329. select HAVE_KERNEL_GZIP
  1330. select HAVE_KERNEL_BZIP2
  1331. select HAVE_KERNEL_LZMA
  1332. select HAVE_KERNEL_LZO
  1333. config SYS_SUPPORTS_ZBOOT_UART16550
  1334. bool
  1335. select SYS_SUPPORTS_ZBOOT
  1336. config CPU_LOONGSON2
  1337. bool
  1338. select CPU_SUPPORTS_32BIT_KERNEL
  1339. select CPU_SUPPORTS_64BIT_KERNEL
  1340. select CPU_SUPPORTS_HIGHMEM
  1341. config SYS_HAS_CPU_LOONGSON2E
  1342. bool
  1343. config SYS_HAS_CPU_LOONGSON2F
  1344. bool
  1345. select CPU_SUPPORTS_CPUFREQ
  1346. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1347. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1348. config SYS_HAS_CPU_MIPS32_R1
  1349. bool
  1350. config SYS_HAS_CPU_MIPS32_R2
  1351. bool
  1352. config SYS_HAS_CPU_MIPS64_R1
  1353. bool
  1354. config SYS_HAS_CPU_MIPS64_R2
  1355. bool
  1356. config SYS_HAS_CPU_R3000
  1357. bool
  1358. config SYS_HAS_CPU_TX39XX
  1359. bool
  1360. config SYS_HAS_CPU_VR41XX
  1361. bool
  1362. config SYS_HAS_CPU_R4300
  1363. bool
  1364. config SYS_HAS_CPU_R4X00
  1365. bool
  1366. config SYS_HAS_CPU_TX49XX
  1367. bool
  1368. config SYS_HAS_CPU_R5000
  1369. bool
  1370. config SYS_HAS_CPU_R5432
  1371. bool
  1372. config SYS_HAS_CPU_R5500
  1373. bool
  1374. config SYS_HAS_CPU_R6000
  1375. bool
  1376. config SYS_HAS_CPU_NEVADA
  1377. bool
  1378. config SYS_HAS_CPU_R8000
  1379. bool
  1380. config SYS_HAS_CPU_R10000
  1381. bool
  1382. config SYS_HAS_CPU_RM7000
  1383. bool
  1384. config SYS_HAS_CPU_RM9000
  1385. bool
  1386. config SYS_HAS_CPU_SB1
  1387. bool
  1388. config SYS_HAS_CPU_CAVIUM_OCTEON
  1389. bool
  1390. config SYS_HAS_CPU_BMIPS3300
  1391. bool
  1392. config SYS_HAS_CPU_BMIPS4350
  1393. bool
  1394. config SYS_HAS_CPU_BMIPS4380
  1395. bool
  1396. config SYS_HAS_CPU_BMIPS5000
  1397. bool
  1398. config SYS_HAS_CPU_XLR
  1399. bool
  1400. #
  1401. # CPU may reorder R->R, R->W, W->R, W->W
  1402. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1403. #
  1404. config WEAK_ORDERING
  1405. bool
  1406. #
  1407. # CPU may reorder reads and writes beyond LL/SC
  1408. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1409. #
  1410. config WEAK_REORDERING_BEYOND_LLSC
  1411. bool
  1412. endmenu
  1413. #
  1414. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1415. #
  1416. config CPU_MIPS32
  1417. bool
  1418. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1419. config CPU_MIPS64
  1420. bool
  1421. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1422. #
  1423. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1424. #
  1425. config CPU_MIPSR1
  1426. bool
  1427. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1428. config CPU_MIPSR2
  1429. bool
  1430. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1431. config SYS_SUPPORTS_32BIT_KERNEL
  1432. bool
  1433. config SYS_SUPPORTS_64BIT_KERNEL
  1434. bool
  1435. config CPU_SUPPORTS_32BIT_KERNEL
  1436. bool
  1437. config CPU_SUPPORTS_64BIT_KERNEL
  1438. bool
  1439. config CPU_SUPPORTS_CPUFREQ
  1440. bool
  1441. config CPU_SUPPORTS_ADDRWINCFG
  1442. bool
  1443. config CPU_SUPPORTS_HUGEPAGES
  1444. bool
  1445. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1446. bool
  1447. config MIPS_PGD_C0_CONTEXT
  1448. bool
  1449. default y if 64BIT && CPU_MIPSR2
  1450. #
  1451. # Set to y for ptrace access to watch registers.
  1452. #
  1453. config HARDWARE_WATCHPOINTS
  1454. bool
  1455. default y if CPU_MIPSR1 || CPU_MIPSR2
  1456. menu "Kernel type"
  1457. choice
  1458. prompt "Kernel code model"
  1459. help
  1460. You should only select this option if you have a workload that
  1461. actually benefits from 64-bit processing or if your machine has
  1462. large memory. You will only be presented a single option in this
  1463. menu if your system does not support both 32-bit and 64-bit kernels.
  1464. config 32BIT
  1465. bool "32-bit kernel"
  1466. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1467. select TRAD_SIGNALS
  1468. help
  1469. Select this option if you want to build a 32-bit kernel.
  1470. config 64BIT
  1471. bool "64-bit kernel"
  1472. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1473. select HAVE_SYSCALL_WRAPPERS
  1474. help
  1475. Select this option if you want to build a 64-bit kernel.
  1476. endchoice
  1477. choice
  1478. prompt "Kernel page size"
  1479. default PAGE_SIZE_4KB
  1480. config PAGE_SIZE_4KB
  1481. bool "4kB"
  1482. depends on !CPU_LOONGSON2
  1483. help
  1484. This option select the standard 4kB Linux page size. On some
  1485. R3000-family processors this is the only available page size. Using
  1486. 4kB page size will minimize memory consumption and is therefore
  1487. recommended for low memory systems.
  1488. config PAGE_SIZE_8KB
  1489. bool "8kB"
  1490. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1491. help
  1492. Using 8kB page size will result in higher performance kernel at
  1493. the price of higher memory consumption. This option is available
  1494. only on R8000 and cnMIPS processors. Note that you will need a
  1495. suitable Linux distribution to support this.
  1496. config PAGE_SIZE_16KB
  1497. bool "16kB"
  1498. depends on !CPU_R3000 && !CPU_TX39XX
  1499. help
  1500. Using 16kB page size will result in higher performance kernel at
  1501. the price of higher memory consumption. This option is available on
  1502. all non-R3000 family processors. Note that you will need a suitable
  1503. Linux distribution to support this.
  1504. config PAGE_SIZE_32KB
  1505. bool "32kB"
  1506. depends on CPU_CAVIUM_OCTEON
  1507. help
  1508. Using 32kB page size will result in higher performance kernel at
  1509. the price of higher memory consumption. This option is available
  1510. only on cnMIPS cores. Note that you will need a suitable Linux
  1511. distribution to support this.
  1512. config PAGE_SIZE_64KB
  1513. bool "64kB"
  1514. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1515. help
  1516. Using 64kB page size will result in higher performance kernel at
  1517. the price of higher memory consumption. This option is available on
  1518. all non-R3000 family processor. Not that at the time of this
  1519. writing this option is still high experimental.
  1520. endchoice
  1521. config FORCE_MAX_ZONEORDER
  1522. int "Maximum zone order"
  1523. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1524. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1525. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1526. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1527. range 11 64
  1528. default "11"
  1529. help
  1530. The kernel memory allocator divides physically contiguous memory
  1531. blocks into "zones", where each zone is a power of two number of
  1532. pages. This option selects the largest power of two that the kernel
  1533. keeps in the memory allocator. If you need to allocate very large
  1534. blocks of physically contiguous memory, then you may need to
  1535. increase this value.
  1536. This config option is actually maximum order plus one. For example,
  1537. a value of 11 means that the largest free memory block is 2^10 pages.
  1538. The page size is not necessarily 4KB. Keep this in mind
  1539. when choosing a value for this option.
  1540. config BOARD_SCACHE
  1541. bool
  1542. config IP22_CPU_SCACHE
  1543. bool
  1544. select BOARD_SCACHE
  1545. #
  1546. # Support for a MIPS32 / MIPS64 style S-caches
  1547. #
  1548. config MIPS_CPU_SCACHE
  1549. bool
  1550. select BOARD_SCACHE
  1551. config R5000_CPU_SCACHE
  1552. bool
  1553. select BOARD_SCACHE
  1554. config RM7000_CPU_SCACHE
  1555. bool
  1556. select BOARD_SCACHE
  1557. config SIBYTE_DMA_PAGEOPS
  1558. bool "Use DMA to clear/copy pages"
  1559. depends on CPU_SB1
  1560. help
  1561. Instead of using the CPU to zero and copy pages, use a Data Mover
  1562. channel. These DMA channels are otherwise unused by the standard
  1563. SiByte Linux port. Seems to give a small performance benefit.
  1564. config CPU_HAS_PREFETCH
  1565. bool
  1566. choice
  1567. prompt "MIPS MT options"
  1568. config MIPS_MT_DISABLED
  1569. bool "Disable multithreading support."
  1570. help
  1571. Use this option if your workload can't take advantage of
  1572. MIPS hardware multithreading support. On systems that don't have
  1573. the option of an MT-enabled processor this option will be the only
  1574. option in this menu.
  1575. config MIPS_MT_SMP
  1576. bool "Use 1 TC on each available VPE for SMP"
  1577. depends on SYS_SUPPORTS_MULTITHREADING
  1578. select CPU_MIPSR2_IRQ_VI
  1579. select CPU_MIPSR2_IRQ_EI
  1580. select MIPS_MT
  1581. select NR_CPUS_DEFAULT_2
  1582. select SMP
  1583. select SYS_SUPPORTS_SCHED_SMT if SMP
  1584. select SYS_SUPPORTS_SMP
  1585. select SMP_UP
  1586. help
  1587. This is a kernel model which is known a VSMP but lately has been
  1588. marketesed into SMVP.
  1589. Virtual SMP uses the processor's VPEs to implement virtual
  1590. processors. In currently available configuration of the 34K processor
  1591. this allows for a dual processor. Both processors will share the same
  1592. primary caches; each will obtain the half of the TLB for it's own
  1593. exclusive use. For a layman this model can be described as similar to
  1594. what Intel calls Hyperthreading.
  1595. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1596. config MIPS_MT_SMTC
  1597. bool "SMTC: Use all TCs on all VPEs for SMP"
  1598. depends on CPU_MIPS32_R2
  1599. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1600. depends on SYS_SUPPORTS_MULTITHREADING
  1601. select CPU_MIPSR2_IRQ_VI
  1602. select CPU_MIPSR2_IRQ_EI
  1603. select MIPS_MT
  1604. select NR_CPUS_DEFAULT_8
  1605. select SMP
  1606. select SYS_SUPPORTS_SMP
  1607. select SMP_UP
  1608. help
  1609. This is a kernel model which is known a SMTC or lately has been
  1610. marketesed into SMVP.
  1611. is presenting the available TC's of the core as processors to Linux.
  1612. On currently available 34K processors this means a Linux system will
  1613. see up to 5 processors. The implementation of the SMTC kernel differs
  1614. significantly from VSMP and cannot efficiently coexist in the same
  1615. kernel binary so the choice between VSMP and SMTC is a compile time
  1616. decision.
  1617. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1618. endchoice
  1619. config MIPS_MT
  1620. bool
  1621. config SCHED_SMT
  1622. bool "SMT (multithreading) scheduler support"
  1623. depends on SYS_SUPPORTS_SCHED_SMT
  1624. default n
  1625. help
  1626. SMT scheduler support improves the CPU scheduler's decision making
  1627. when dealing with MIPS MT enabled cores at a cost of slightly
  1628. increased overhead in some places. If unsure say N here.
  1629. config SYS_SUPPORTS_SCHED_SMT
  1630. bool
  1631. config SYS_SUPPORTS_MULTITHREADING
  1632. bool
  1633. config MIPS_MT_FPAFF
  1634. bool "Dynamic FPU affinity for FP-intensive threads"
  1635. default y
  1636. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1637. config MIPS_VPE_LOADER
  1638. bool "VPE loader support."
  1639. depends on SYS_SUPPORTS_MULTITHREADING
  1640. select CPU_MIPSR2_IRQ_VI
  1641. select CPU_MIPSR2_IRQ_EI
  1642. select MIPS_MT
  1643. help
  1644. Includes a loader for loading an elf relocatable object
  1645. onto another VPE and running it.
  1646. config MIPS_MT_SMTC_IM_BACKSTOP
  1647. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1648. depends on MIPS_MT_SMTC
  1649. default n
  1650. help
  1651. To support multiple TC microthreads acting as "CPUs" within
  1652. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1653. during interrupt handling. To support legacy drivers and interrupt
  1654. controller management code, SMTC has a "backstop" to track and
  1655. if necessary restore the interrupt mask. This has some performance
  1656. impact on interrupt service overhead.
  1657. config MIPS_MT_SMTC_IRQAFF
  1658. bool "Support IRQ affinity API"
  1659. depends on MIPS_MT_SMTC
  1660. default n
  1661. help
  1662. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1663. for SMTC Linux kernel. Requires platform support, of which
  1664. an example can be found in the MIPS kernel i8259 and Malta
  1665. platform code. Adds some overhead to interrupt dispatch, and
  1666. should be used only if you know what you are doing.
  1667. config MIPS_VPE_LOADER_TOM
  1668. bool "Load VPE program into memory hidden from linux"
  1669. depends on MIPS_VPE_LOADER
  1670. default y
  1671. help
  1672. The loader can use memory that is present but has been hidden from
  1673. Linux using the kernel command line option "mem=xxMB". It's up to
  1674. you to ensure the amount you put in the option and the space your
  1675. program requires is less or equal to the amount physically present.
  1676. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1677. config MIPS_VPE_APSP_API
  1678. bool "Enable support for AP/SP API (RTLX)"
  1679. depends on MIPS_VPE_LOADER
  1680. help
  1681. config MIPS_APSP_KSPD
  1682. bool "Enable KSPD"
  1683. depends on MIPS_VPE_APSP_API
  1684. default y
  1685. help
  1686. KSPD is a kernel daemon that accepts syscall requests from the SP
  1687. side, actions them and returns the results. It also handles the
  1688. "exit" syscall notifying other kernel modules the SP program is
  1689. exiting. You probably want to say yes here.
  1690. config MIPS_CMP
  1691. bool "MIPS CMP framework support"
  1692. depends on SYS_SUPPORTS_MIPS_CMP
  1693. select SYNC_R4K
  1694. select SYS_SUPPORTS_SMP
  1695. select SYS_SUPPORTS_SCHED_SMT if SMP
  1696. select WEAK_ORDERING
  1697. default n
  1698. help
  1699. This is a placeholder option for the GCMP work. It will need to
  1700. be handled differently...
  1701. config SB1_PASS_1_WORKAROUNDS
  1702. bool
  1703. depends on CPU_SB1_PASS_1
  1704. default y
  1705. config SB1_PASS_2_WORKAROUNDS
  1706. bool
  1707. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1708. default y
  1709. config SB1_PASS_2_1_WORKAROUNDS
  1710. bool
  1711. depends on CPU_SB1 && CPU_SB1_PASS_2
  1712. default y
  1713. config 64BIT_PHYS_ADDR
  1714. bool
  1715. config ARCH_PHYS_ADDR_T_64BIT
  1716. def_bool 64BIT_PHYS_ADDR
  1717. config CPU_HAS_SMARTMIPS
  1718. depends on SYS_SUPPORTS_SMARTMIPS
  1719. bool "Support for the SmartMIPS ASE"
  1720. help
  1721. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1722. increased security at both hardware and software level for
  1723. smartcards. Enabling this option will allow proper use of the
  1724. SmartMIPS instructions by Linux applications. However a kernel with
  1725. this option will not work on a MIPS core without SmartMIPS core. If
  1726. you don't know you probably don't have SmartMIPS and should say N
  1727. here.
  1728. config CPU_HAS_WB
  1729. bool
  1730. #
  1731. # Vectored interrupt mode is an R2 feature
  1732. #
  1733. config CPU_MIPSR2_IRQ_VI
  1734. bool
  1735. #
  1736. # Extended interrupt mode is an R2 feature
  1737. #
  1738. config CPU_MIPSR2_IRQ_EI
  1739. bool
  1740. config CPU_HAS_SYNC
  1741. bool
  1742. depends on !CPU_R3000
  1743. default y
  1744. config GENERIC_CLOCKEVENTS_BROADCAST
  1745. bool
  1746. #
  1747. # CPU non-features
  1748. #
  1749. config CPU_DADDI_WORKAROUNDS
  1750. bool
  1751. config CPU_R4000_WORKAROUNDS
  1752. bool
  1753. select CPU_R4400_WORKAROUNDS
  1754. config CPU_R4400_WORKAROUNDS
  1755. bool
  1756. #
  1757. # - Highmem only makes sense for the 32-bit kernel.
  1758. # - The current highmem code will only work properly on physically indexed
  1759. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1760. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1761. # moment we protect the user and offer the highmem option only on machines
  1762. # where it's known to be safe. This will not offer highmem on a few systems
  1763. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1764. # indexed CPUs but we're playing safe.
  1765. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1766. # know they might have memory configurations that could make use of highmem
  1767. # support.
  1768. #
  1769. config HIGHMEM
  1770. bool "High Memory Support"
  1771. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1772. config CPU_SUPPORTS_HIGHMEM
  1773. bool
  1774. config SYS_SUPPORTS_HIGHMEM
  1775. bool
  1776. config SYS_SUPPORTS_SMARTMIPS
  1777. bool
  1778. config ARCH_FLATMEM_ENABLE
  1779. def_bool y
  1780. depends on !NUMA && !CPU_LOONGSON2
  1781. config ARCH_DISCONTIGMEM_ENABLE
  1782. bool
  1783. default y if SGI_IP27
  1784. help
  1785. Say Y to support efficient handling of discontiguous physical memory,
  1786. for architectures which are either NUMA (Non-Uniform Memory Access)
  1787. or have huge holes in the physical address space for other reasons.
  1788. See <file:Documentation/vm/numa> for more.
  1789. config ARCH_POPULATES_NODE_MAP
  1790. def_bool y
  1791. config ARCH_SPARSEMEM_ENABLE
  1792. bool
  1793. select SPARSEMEM_STATIC
  1794. config NUMA
  1795. bool "NUMA Support"
  1796. depends on SYS_SUPPORTS_NUMA
  1797. help
  1798. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1799. Access). This option improves performance on systems with more
  1800. than two nodes; on two node systems it is generally better to
  1801. leave it disabled; on single node systems disable this option
  1802. disabled.
  1803. config SYS_SUPPORTS_NUMA
  1804. bool
  1805. config NODES_SHIFT
  1806. int
  1807. default "6"
  1808. depends on NEED_MULTIPLE_NODES
  1809. config HW_PERF_EVENTS
  1810. bool "Enable hardware performance counter support for perf events"
  1811. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
  1812. default y
  1813. help
  1814. Enable hardware performance counter support for perf events. If
  1815. disabled, perf events will use software events only.
  1816. source "mm/Kconfig"
  1817. config SMP
  1818. bool "Multi-Processing support"
  1819. depends on SYS_SUPPORTS_SMP
  1820. select IRQ_PER_CPU
  1821. select USE_GENERIC_SMP_HELPERS
  1822. help
  1823. This enables support for systems with more than one CPU. If you have
  1824. a system with only one CPU, like most personal computers, say N. If
  1825. you have a system with more than one CPU, say Y.
  1826. If you say N here, the kernel will run on single and multiprocessor
  1827. machines, but will use only one CPU of a multiprocessor machine. If
  1828. you say Y here, the kernel will run on many, but not all,
  1829. singleprocessor machines. On a singleprocessor machine, the kernel
  1830. will run faster if you say N here.
  1831. People using multiprocessor machines who say Y here should also say
  1832. Y to "Enhanced Real Time Clock Support", below.
  1833. See also the SMP-HOWTO available at
  1834. <http://www.tldp.org/docs.html#howto>.
  1835. If you don't know what to do here, say N.
  1836. config SMP_UP
  1837. bool
  1838. config SYS_SUPPORTS_MIPS_CMP
  1839. bool
  1840. config SYS_SUPPORTS_SMP
  1841. bool
  1842. config NR_CPUS_DEFAULT_1
  1843. bool
  1844. config NR_CPUS_DEFAULT_2
  1845. bool
  1846. config NR_CPUS_DEFAULT_4
  1847. bool
  1848. config NR_CPUS_DEFAULT_8
  1849. bool
  1850. config NR_CPUS_DEFAULT_16
  1851. bool
  1852. config NR_CPUS_DEFAULT_32
  1853. bool
  1854. config NR_CPUS_DEFAULT_64
  1855. bool
  1856. config NR_CPUS
  1857. int "Maximum number of CPUs (2-64)"
  1858. range 1 64 if NR_CPUS_DEFAULT_1
  1859. depends on SMP
  1860. default "1" if NR_CPUS_DEFAULT_1
  1861. default "2" if NR_CPUS_DEFAULT_2
  1862. default "4" if NR_CPUS_DEFAULT_4
  1863. default "8" if NR_CPUS_DEFAULT_8
  1864. default "16" if NR_CPUS_DEFAULT_16
  1865. default "32" if NR_CPUS_DEFAULT_32
  1866. default "64" if NR_CPUS_DEFAULT_64
  1867. help
  1868. This allows you to specify the maximum number of CPUs which this
  1869. kernel will support. The maximum supported value is 32 for 32-bit
  1870. kernel and 64 for 64-bit kernels; the minimum value which makes
  1871. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1872. and 2 for all others.
  1873. This is purely to save memory - each supported CPU adds
  1874. approximately eight kilobytes to the kernel image. For best
  1875. performance should round up your number of processors to the next
  1876. power of two.
  1877. source "kernel/time/Kconfig"
  1878. #
  1879. # Timer Interrupt Frequency Configuration
  1880. #
  1881. choice
  1882. prompt "Timer frequency"
  1883. default HZ_250
  1884. help
  1885. Allows the configuration of the timer frequency.
  1886. config HZ_48
  1887. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1888. config HZ_100
  1889. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1890. config HZ_128
  1891. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1892. config HZ_250
  1893. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1894. config HZ_256
  1895. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1896. config HZ_1000
  1897. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1898. config HZ_1024
  1899. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1900. endchoice
  1901. config SYS_SUPPORTS_48HZ
  1902. bool
  1903. config SYS_SUPPORTS_100HZ
  1904. bool
  1905. config SYS_SUPPORTS_128HZ
  1906. bool
  1907. config SYS_SUPPORTS_250HZ
  1908. bool
  1909. config SYS_SUPPORTS_256HZ
  1910. bool
  1911. config SYS_SUPPORTS_1000HZ
  1912. bool
  1913. config SYS_SUPPORTS_1024HZ
  1914. bool
  1915. config SYS_SUPPORTS_ARBIT_HZ
  1916. bool
  1917. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1918. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1919. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1920. !SYS_SUPPORTS_1024HZ
  1921. config HZ
  1922. int
  1923. default 48 if HZ_48
  1924. default 100 if HZ_100
  1925. default 128 if HZ_128
  1926. default 250 if HZ_250
  1927. default 256 if HZ_256
  1928. default 1000 if HZ_1000
  1929. default 1024 if HZ_1024
  1930. source "kernel/Kconfig.preempt"
  1931. config MIPS_INSANE_LARGE
  1932. bool "Support for large 64-bit configurations"
  1933. depends on CPU_R10000 && 64BIT
  1934. help
  1935. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1936. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1937. need processes of more than 1TB virtual address space, say Y here.
  1938. This will result in additional memory usage, so it is not
  1939. recommended for normal users.
  1940. config KEXEC
  1941. bool "Kexec system call (EXPERIMENTAL)"
  1942. depends on EXPERIMENTAL
  1943. help
  1944. kexec is a system call that implements the ability to shutdown your
  1945. current kernel, and to start another kernel. It is like a reboot
  1946. but it is independent of the system firmware. And like a reboot
  1947. you can start any kernel with it, not just Linux.
  1948. The name comes from the similarity to the exec system call.
  1949. It is an ongoing process to be certain the hardware in a machine
  1950. is properly shutdown, so do not be surprised if this code does not
  1951. initially work for you. It may help to enable device hotplugging
  1952. support. As of this writing the exact hardware interface is
  1953. strongly in flux, so no good recommendation can be made.
  1954. config SECCOMP
  1955. bool "Enable seccomp to safely compute untrusted bytecode"
  1956. depends on PROC_FS
  1957. default y
  1958. help
  1959. This kernel feature is useful for number crunching applications
  1960. that may need to compute untrusted bytecode during their
  1961. execution. By using pipes or other transports made available to
  1962. the process as file descriptors supporting the read/write
  1963. syscalls, it's possible to isolate those applications in
  1964. their own address space using seccomp. Once seccomp is
  1965. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1966. and the task is only allowed to execute a few safe syscalls
  1967. defined by each seccomp mode.
  1968. If unsure, say Y. Only embedded should say N here.
  1969. config USE_OF
  1970. bool "Flattened Device Tree support"
  1971. select OF
  1972. select OF_EARLY_FLATTREE
  1973. help
  1974. Include support for flattened device tree machine descriptions.
  1975. endmenu
  1976. config LOCKDEP_SUPPORT
  1977. bool
  1978. default y
  1979. config STACKTRACE_SUPPORT
  1980. bool
  1981. default y
  1982. source "init/Kconfig"
  1983. source "kernel/Kconfig.freezer"
  1984. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1985. config HW_HAS_EISA
  1986. bool
  1987. config HW_HAS_PCI
  1988. bool
  1989. config PCI
  1990. bool "Support for PCI controller"
  1991. depends on HW_HAS_PCI
  1992. select PCI_DOMAINS
  1993. help
  1994. Find out whether you have a PCI motherboard. PCI is the name of a
  1995. bus system, i.e. the way the CPU talks to the other stuff inside
  1996. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1997. say Y, otherwise N.
  1998. config PCI_DOMAINS
  1999. bool
  2000. source "drivers/pci/Kconfig"
  2001. #
  2002. # ISA support is now enabled via select. Too many systems still have the one
  2003. # or other ISA chip on the board that users don't know about so don't expect
  2004. # users to choose the right thing ...
  2005. #
  2006. config ISA
  2007. bool
  2008. config EISA
  2009. bool "EISA support"
  2010. depends on HW_HAS_EISA
  2011. select ISA
  2012. select GENERIC_ISA_DMA
  2013. ---help---
  2014. The Extended Industry Standard Architecture (EISA) bus was
  2015. developed as an open alternative to the IBM MicroChannel bus.
  2016. The EISA bus provided some of the features of the IBM MicroChannel
  2017. bus while maintaining backward compatibility with cards made for
  2018. the older ISA bus. The EISA bus saw limited use between 1988 and
  2019. 1995 when it was made obsolete by the PCI bus.
  2020. Say Y here if you are building a kernel for an EISA-based machine.
  2021. Otherwise, say N.
  2022. source "drivers/eisa/Kconfig"
  2023. config TC
  2024. bool "TURBOchannel support"
  2025. depends on MACH_DECSTATION
  2026. help
  2027. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2028. processors. TURBOchannel programming specifications are available
  2029. at:
  2030. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2031. and:
  2032. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2033. Linux driver support status is documented at:
  2034. <http://www.linux-mips.org/wiki/DECstation>
  2035. #config ACCESSBUS
  2036. # bool "Access.Bus support"
  2037. # depends on TC
  2038. config MMU
  2039. bool
  2040. default y
  2041. config I8253
  2042. bool
  2043. select CLKSRC_I8253
  2044. select CLKEVT_I8253
  2045. select MIPS_EXTERNAL_TIMER
  2046. config ZONE_DMA32
  2047. bool
  2048. source "drivers/pcmcia/Kconfig"
  2049. source "drivers/pci/hotplug/Kconfig"
  2050. config RAPIDIO
  2051. bool "RapidIO support"
  2052. depends on PCI
  2053. default n
  2054. help
  2055. If you say Y here, the kernel will include drivers and
  2056. infrastructure code to support RapidIO interconnect devices.
  2057. source "drivers/rapidio/Kconfig"
  2058. endmenu
  2059. menu "Executable file formats"
  2060. source "fs/Kconfig.binfmt"
  2061. config TRAD_SIGNALS
  2062. bool
  2063. config MIPS32_COMPAT
  2064. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2065. depends on 64BIT
  2066. help
  2067. Select this option if you want Linux/MIPS 32-bit binary
  2068. compatibility. Since all software available for Linux/MIPS is
  2069. currently 32-bit you should say Y here.
  2070. config COMPAT
  2071. bool
  2072. depends on MIPS32_COMPAT
  2073. default y
  2074. config SYSVIPC_COMPAT
  2075. bool
  2076. depends on COMPAT && SYSVIPC
  2077. default y
  2078. config MIPS32_O32
  2079. bool "Kernel support for o32 binaries"
  2080. depends on MIPS32_COMPAT
  2081. help
  2082. Select this option if you want to run o32 binaries. These are pure
  2083. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2084. existing binaries are in this format.
  2085. If unsure, say Y.
  2086. config MIPS32_N32
  2087. bool "Kernel support for n32 binaries"
  2088. depends on MIPS32_COMPAT
  2089. help
  2090. Select this option if you want to run n32 binaries. These are
  2091. 64-bit binaries using 32-bit quantities for addressing and certain
  2092. data that would normally be 64-bit. They are used in special
  2093. cases.
  2094. If unsure, say N.
  2095. config BINFMT_ELF32
  2096. bool
  2097. default y if MIPS32_O32 || MIPS32_N32
  2098. endmenu
  2099. menu "Power management options"
  2100. config ARCH_HIBERNATION_POSSIBLE
  2101. def_bool y
  2102. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2103. config ARCH_SUSPEND_POSSIBLE
  2104. def_bool y
  2105. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2106. source "kernel/power/Kconfig"
  2107. endmenu
  2108. source "arch/mips/kernel/cpufreq/Kconfig"
  2109. source "net/Kconfig"
  2110. source "drivers/Kconfig"
  2111. source "fs/Kconfig"
  2112. source "arch/mips/Kconfig.debug"
  2113. source "security/Kconfig"
  2114. source "crypto/Kconfig"
  2115. source "lib/Kconfig"