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