Kconfig 59 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select RTC_LIB if !MACH_LOONGSON
  20. select GENERIC_ATOMIC64 if !64BIT
  21. select HAVE_DMA_ATTRS
  22. select HAVE_DMA_API_DEBUG
  23. select HAVE_GENERIC_HARDIRQS
  24. select GENERIC_IRQ_PROBE
  25. select GENERIC_IRQ_SHOW
  26. select HAVE_ARCH_JUMP_LABEL
  27. select IRQ_FORCED_THREADING
  28. menu "Machine selection"
  29. config ZONE_DMA
  30. bool
  31. choice
  32. prompt "System type"
  33. default SGI_IP22
  34. config MIPS_ALCHEMY
  35. bool "Alchemy processor based machines"
  36. select 64BIT_PHYS_ADDR
  37. select CEVT_R4K_LIB
  38. select CSRC_R4K_LIB
  39. select IRQ_CPU
  40. select SYS_HAS_CPU_MIPS32_R1
  41. select SYS_SUPPORTS_32BIT_KERNEL
  42. select SYS_SUPPORTS_APM_EMULATION
  43. select GENERIC_GPIO
  44. select ARCH_WANT_OPTIONAL_GPIOLIB
  45. select SYS_SUPPORTS_ZBOOT
  46. select USB_ARCH_HAS_OHCI
  47. select USB_ARCH_HAS_EHCI
  48. config AR7
  49. bool "Texas Instruments AR7"
  50. select BOOT_ELF32
  51. select DMA_NONCOHERENT
  52. select CEVT_R4K
  53. select CSRC_R4K
  54. select IRQ_CPU
  55. select NO_EXCEPT_FILL
  56. select SWAP_IO_SPACE
  57. select SYS_HAS_CPU_MIPS32_R1
  58. select SYS_HAS_EARLY_PRINTK
  59. select SYS_SUPPORTS_32BIT_KERNEL
  60. select SYS_SUPPORTS_LITTLE_ENDIAN
  61. select SYS_SUPPORTS_ZBOOT_UART16550
  62. select ARCH_REQUIRE_GPIOLIB
  63. select GCD
  64. select VLYNQ
  65. help
  66. Support for the Texas Instruments AR7 System-on-a-Chip
  67. family: TNETD7100, 7200 and 7300.
  68. config ATH79
  69. bool "Atheros AR71XX/AR724X/AR913X based boards"
  70. select ARCH_REQUIRE_GPIOLIB
  71. select BOOT_RAW
  72. select CEVT_R4K
  73. select CSRC_R4K
  74. select DMA_NONCOHERENT
  75. select IRQ_CPU
  76. select MIPS_MACHINE
  77. select SYS_HAS_CPU_MIPS32_R2
  78. select SYS_HAS_EARLY_PRINTK
  79. select SYS_SUPPORTS_32BIT_KERNEL
  80. select SYS_SUPPORTS_BIG_ENDIAN
  81. help
  82. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  83. config BCM47XX
  84. bool "Broadcom BCM47XX based boards"
  85. select CEVT_R4K
  86. select CSRC_R4K
  87. select DMA_NONCOHERENT
  88. select HW_HAS_PCI
  89. select IRQ_CPU
  90. select SYS_SUPPORTS_32BIT_KERNEL
  91. select SYS_SUPPORTS_LITTLE_ENDIAN
  92. select GENERIC_GPIO
  93. select SYS_HAS_EARLY_PRINTK
  94. select CFE
  95. help
  96. Support for BCM47XX based boards
  97. config BCM63XX
  98. bool "Broadcom BCM63XX based boards"
  99. select CEVT_R4K
  100. select CSRC_R4K
  101. select DMA_NONCOHERENT
  102. select IRQ_CPU
  103. select SYS_HAS_CPU_MIPS32_R1
  104. select SYS_SUPPORTS_32BIT_KERNEL
  105. select SYS_SUPPORTS_BIG_ENDIAN
  106. select SYS_HAS_EARLY_PRINTK
  107. select SWAP_IO_SPACE
  108. select ARCH_REQUIRE_GPIOLIB
  109. help
  110. Support for BCM63XX based boards
  111. config MIPS_COBALT
  112. bool "Cobalt Server"
  113. select CEVT_R4K
  114. select CSRC_R4K
  115. select CEVT_GT641XX
  116. select DMA_NONCOHERENT
  117. select HW_HAS_PCI
  118. select I8253
  119. select I8259
  120. select IRQ_CPU
  121. select IRQ_GT641XX
  122. select PCI_GT64XXX_PCI0
  123. select PCI
  124. select SYS_HAS_CPU_NEVADA
  125. select SYS_HAS_EARLY_PRINTK
  126. select SYS_SUPPORTS_32BIT_KERNEL
  127. select SYS_SUPPORTS_64BIT_KERNEL
  128. select SYS_SUPPORTS_LITTLE_ENDIAN
  129. config MACH_DECSTATION
  130. bool "DECstations"
  131. select BOOT_ELF32
  132. select CEVT_DS1287
  133. select CEVT_R4K
  134. select CSRC_IOASIC
  135. select CSRC_R4K
  136. select CPU_DADDI_WORKAROUNDS if 64BIT
  137. select CPU_R4000_WORKAROUNDS if 64BIT
  138. select CPU_R4400_WORKAROUNDS if 64BIT
  139. select DMA_NONCOHERENT
  140. select NO_IOPORT
  141. select IRQ_CPU
  142. select SYS_HAS_CPU_R3000
  143. select SYS_HAS_CPU_R4X00
  144. select SYS_SUPPORTS_32BIT_KERNEL
  145. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  146. select SYS_SUPPORTS_LITTLE_ENDIAN
  147. select SYS_SUPPORTS_128HZ
  148. select SYS_SUPPORTS_256HZ
  149. select SYS_SUPPORTS_1024HZ
  150. help
  151. This enables support for DEC's MIPS based workstations. For details
  152. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  153. DECstation porting pages on <http://decstation.unix-ag.org/>.
  154. If you have one of the following DECstation Models you definitely
  155. want to choose R4xx0 for the CPU Type:
  156. DECstation 5000/50
  157. DECstation 5000/150
  158. DECstation 5000/260
  159. DECsystem 5900/260
  160. otherwise choose R3000.
  161. config MACH_JAZZ
  162. bool "Jazz family of machines"
  163. select ARC
  164. select ARC32
  165. select ARCH_MAY_HAVE_PC_FDC
  166. select CEVT_R4K
  167. select CSRC_R4K
  168. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  169. select GENERIC_ISA_DMA
  170. select HAVE_PCSPKR_PLATFORM
  171. select IRQ_CPU
  172. select I8253
  173. select I8259
  174. select ISA
  175. select SYS_HAS_CPU_R4X00
  176. select SYS_SUPPORTS_32BIT_KERNEL
  177. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  178. select SYS_SUPPORTS_100HZ
  179. help
  180. This a family of machines based on the MIPS R4030 chipset which was
  181. used by several vendors to build RISC/os and Windows NT workstations.
  182. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  183. Olivetti M700-10 workstations.
  184. config MACH_JZ4740
  185. bool "Ingenic JZ4740 based machines"
  186. select SYS_HAS_CPU_MIPS32_R1
  187. select SYS_SUPPORTS_32BIT_KERNEL
  188. select SYS_SUPPORTS_LITTLE_ENDIAN
  189. select DMA_NONCOHERENT
  190. select IRQ_CPU
  191. select GENERIC_GPIO
  192. select ARCH_REQUIRE_GPIOLIB
  193. select SYS_HAS_EARLY_PRINTK
  194. select HAVE_PWM
  195. select HAVE_CLK
  196. select GENERIC_IRQ_CHIP
  197. config LANTIQ
  198. bool "Lantiq based platforms"
  199. select DMA_NONCOHERENT
  200. select IRQ_CPU
  201. select CEVT_R4K
  202. select CSRC_R4K
  203. select SYS_HAS_CPU_MIPS32_R1
  204. select SYS_HAS_CPU_MIPS32_R2
  205. select SYS_SUPPORTS_BIG_ENDIAN
  206. select SYS_SUPPORTS_32BIT_KERNEL
  207. select SYS_SUPPORTS_MULTITHREADING
  208. select SYS_HAS_EARLY_PRINTK
  209. select ARCH_REQUIRE_GPIOLIB
  210. select SWAP_IO_SPACE
  211. select BOOT_RAW
  212. select HAVE_CLK
  213. select MIPS_MACHINE
  214. config LASAT
  215. bool "LASAT Networks platforms"
  216. select CEVT_R4K
  217. select CSRC_R4K
  218. select DMA_NONCOHERENT
  219. select SYS_HAS_EARLY_PRINTK
  220. select HW_HAS_PCI
  221. select IRQ_CPU
  222. select PCI_GT64XXX_PCI0
  223. select MIPS_NILE4
  224. select R5000_CPU_SCACHE
  225. select SYS_HAS_CPU_R5000
  226. select SYS_SUPPORTS_32BIT_KERNEL
  227. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  228. select SYS_SUPPORTS_LITTLE_ENDIAN
  229. config MACH_LOONGSON
  230. bool "Loongson family of machines"
  231. select SYS_SUPPORTS_ZBOOT
  232. help
  233. This enables the support of Loongson family of machines.
  234. Loongson is a family of general-purpose MIPS-compatible CPUs.
  235. developed at Institute of Computing Technology (ICT),
  236. Chinese Academy of Sciences (CAS) in the People's Republic
  237. of China. The chief architect is Professor Weiwu Hu.
  238. config MIPS_MALTA
  239. bool "MIPS Malta board"
  240. select ARCH_MAY_HAVE_PC_FDC
  241. select BOOT_ELF32
  242. select BOOT_RAW
  243. select CEVT_R4K
  244. select CSRC_R4K
  245. select DMA_NONCOHERENT
  246. select GENERIC_ISA_DMA
  247. select HAVE_PCSPKR_PLATFORM
  248. select IRQ_CPU
  249. select IRQ_GIC
  250. select HW_HAS_PCI
  251. select I8253
  252. select I8259
  253. select MIPS_BOARDS_GEN
  254. select MIPS_BONITO64
  255. select MIPS_CPU_SCACHE
  256. select PCI_GT64XXX_PCI0
  257. select MIPS_MSC
  258. select SWAP_IO_SPACE
  259. select SYS_HAS_CPU_MIPS32_R1
  260. select SYS_HAS_CPU_MIPS32_R2
  261. select SYS_HAS_CPU_MIPS64_R1
  262. select SYS_HAS_CPU_NEVADA
  263. select SYS_HAS_CPU_RM7000
  264. select SYS_HAS_EARLY_PRINTK
  265. select SYS_SUPPORTS_32BIT_KERNEL
  266. select SYS_SUPPORTS_64BIT_KERNEL
  267. select SYS_SUPPORTS_BIG_ENDIAN
  268. select SYS_SUPPORTS_LITTLE_ENDIAN
  269. select SYS_SUPPORTS_MIPS_CMP
  270. select SYS_SUPPORTS_MULTITHREADING
  271. select SYS_SUPPORTS_SMARTMIPS
  272. select SYS_SUPPORTS_ZBOOT
  273. help
  274. This enables support for the MIPS Technologies Malta evaluation
  275. board.
  276. config MIPS_SIM
  277. bool 'MIPS simulator (MIPSsim)'
  278. select CEVT_R4K
  279. select CSRC_R4K
  280. select DMA_NONCOHERENT
  281. select SYS_HAS_EARLY_PRINTK
  282. select IRQ_CPU
  283. select BOOT_RAW
  284. select SYS_HAS_CPU_MIPS32_R1
  285. select SYS_HAS_CPU_MIPS32_R2
  286. select SYS_HAS_EARLY_PRINTK
  287. select SYS_SUPPORTS_32BIT_KERNEL
  288. select SYS_SUPPORTS_BIG_ENDIAN
  289. select SYS_SUPPORTS_MULTITHREADING
  290. select SYS_SUPPORTS_LITTLE_ENDIAN
  291. help
  292. This option enables support for MIPS Technologies MIPSsim software
  293. emulator.
  294. config NEC_MARKEINS
  295. bool "NEC EMMA2RH Mark-eins board"
  296. select SOC_EMMA2RH
  297. select HW_HAS_PCI
  298. help
  299. This enables support for the NEC Electronics Mark-eins boards.
  300. config MACH_VR41XX
  301. bool "NEC VR4100 series based machines"
  302. select CEVT_R4K
  303. select CSRC_R4K
  304. select SYS_HAS_CPU_VR41XX
  305. select ARCH_REQUIRE_GPIOLIB
  306. config NXP_STB220
  307. bool "NXP STB220 board"
  308. select SOC_PNX833X
  309. help
  310. Support for NXP Semiconductors STB220 Development Board.
  311. config NXP_STB225
  312. bool "NXP 225 board"
  313. select SOC_PNX833X
  314. select SOC_PNX8335
  315. help
  316. Support for NXP Semiconductors STB225 Development Board.
  317. config PNX8550_JBS
  318. bool "NXP PNX8550 based JBS board"
  319. select PNX8550
  320. select SYS_SUPPORTS_LITTLE_ENDIAN
  321. config PNX8550_STB810
  322. bool "NXP PNX8550 based STB810 board"
  323. select PNX8550
  324. select SYS_SUPPORTS_LITTLE_ENDIAN
  325. config PMC_MSP
  326. bool "PMC-Sierra MSP chipsets"
  327. depends on EXPERIMENTAL
  328. select CEVT_R4K
  329. select CSRC_R4K
  330. select DMA_NONCOHERENT
  331. select SWAP_IO_SPACE
  332. select NO_EXCEPT_FILL
  333. select BOOT_RAW
  334. select SYS_HAS_CPU_MIPS32_R1
  335. select SYS_HAS_CPU_MIPS32_R2
  336. select SYS_SUPPORTS_32BIT_KERNEL
  337. select SYS_SUPPORTS_BIG_ENDIAN
  338. select IRQ_CPU
  339. select SERIAL_8250
  340. select SERIAL_8250_CONSOLE
  341. help
  342. This adds support for the PMC-Sierra family of Multi-Service
  343. Processor System-On-A-Chips. These parts include a number
  344. of integrated peripherals, interfaces and DSPs in addition to
  345. a variety of MIPS cores.
  346. config PMC_YOSEMITE
  347. bool "PMC-Sierra Yosemite eval board"
  348. select CEVT_R4K
  349. select CSRC_R4K
  350. select DMA_COHERENT
  351. select HW_HAS_PCI
  352. select IRQ_CPU
  353. select IRQ_CPU_RM7K
  354. select IRQ_CPU_RM9K
  355. select SWAP_IO_SPACE
  356. select SYS_HAS_CPU_RM9000
  357. select SYS_HAS_EARLY_PRINTK
  358. select SYS_SUPPORTS_32BIT_KERNEL
  359. select SYS_SUPPORTS_64BIT_KERNEL
  360. select SYS_SUPPORTS_BIG_ENDIAN
  361. select SYS_SUPPORTS_HIGHMEM
  362. select SYS_SUPPORTS_SMP
  363. help
  364. Yosemite is an evaluation board for the RM9000x2 processor
  365. manufactured by PMC-Sierra.
  366. config POWERTV
  367. bool "Cisco PowerTV"
  368. select BOOT_ELF32
  369. select CEVT_R4K
  370. select CPU_MIPSR2_IRQ_VI
  371. select CPU_MIPSR2_IRQ_EI
  372. select CSRC_POWERTV
  373. select DMA_NONCOHERENT
  374. select HW_HAS_PCI
  375. select SYS_HAS_EARLY_PRINTK
  376. select SYS_HAS_CPU_MIPS32_R2
  377. select SYS_SUPPORTS_32BIT_KERNEL
  378. select SYS_SUPPORTS_BIG_ENDIAN
  379. select SYS_SUPPORTS_HIGHMEM
  380. select USB_OHCI_LITTLE_ENDIAN
  381. help
  382. This enables support for the Cisco PowerTV Platform.
  383. config SGI_IP22
  384. bool "SGI IP22 (Indy/Indigo2)"
  385. select ARC
  386. select ARC32
  387. select BOOT_ELF32
  388. select CEVT_R4K
  389. select CSRC_R4K
  390. select DEFAULT_SGI_PARTITION
  391. select DMA_NONCOHERENT
  392. select HW_HAS_EISA
  393. select I8253
  394. select I8259
  395. select IP22_CPU_SCACHE
  396. select IRQ_CPU
  397. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  398. select SGI_HAS_I8042
  399. select SGI_HAS_INDYDOG
  400. select SGI_HAS_HAL2
  401. select SGI_HAS_SEEQ
  402. select SGI_HAS_WD93
  403. select SGI_HAS_ZILOG
  404. select SWAP_IO_SPACE
  405. select SYS_HAS_CPU_R4X00
  406. select SYS_HAS_CPU_R5000
  407. #
  408. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  409. # memory during early boot on some machines.
  410. #
  411. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  412. # for a more details discussion
  413. #
  414. # select SYS_HAS_EARLY_PRINTK
  415. select SYS_SUPPORTS_32BIT_KERNEL
  416. select SYS_SUPPORTS_64BIT_KERNEL
  417. select SYS_SUPPORTS_BIG_ENDIAN
  418. help
  419. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  420. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  421. that runs on these, say Y here.
  422. config SGI_IP27
  423. bool "SGI IP27 (Origin200/2000)"
  424. select ARC
  425. select ARC64
  426. select BOOT_ELF64
  427. select DEFAULT_SGI_PARTITION
  428. select DMA_COHERENT
  429. select SYS_HAS_EARLY_PRINTK
  430. select HW_HAS_PCI
  431. select NR_CPUS_DEFAULT_64
  432. select SYS_HAS_CPU_R10000
  433. select SYS_SUPPORTS_64BIT_KERNEL
  434. select SYS_SUPPORTS_BIG_ENDIAN
  435. select SYS_SUPPORTS_NUMA
  436. select SYS_SUPPORTS_SMP
  437. help
  438. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  439. workstations. To compile a Linux kernel that runs on these, say Y
  440. here.
  441. config SGI_IP28
  442. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  443. depends on EXPERIMENTAL
  444. select ARC
  445. select ARC64
  446. select BOOT_ELF64
  447. select CEVT_R4K
  448. select CSRC_R4K
  449. select DEFAULT_SGI_PARTITION
  450. select DMA_NONCOHERENT
  451. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  452. select IRQ_CPU
  453. select HW_HAS_EISA
  454. select I8253
  455. select I8259
  456. select SGI_HAS_I8042
  457. select SGI_HAS_INDYDOG
  458. select SGI_HAS_HAL2
  459. select SGI_HAS_SEEQ
  460. select SGI_HAS_WD93
  461. select SGI_HAS_ZILOG
  462. select SWAP_IO_SPACE
  463. select SYS_HAS_CPU_R10000
  464. #
  465. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  466. # memory during early boot on some machines.
  467. #
  468. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  469. # for a more details discussion
  470. #
  471. # select SYS_HAS_EARLY_PRINTK
  472. select SYS_SUPPORTS_64BIT_KERNEL
  473. select SYS_SUPPORTS_BIG_ENDIAN
  474. help
  475. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  476. kernel that runs on these, say Y here.
  477. config SGI_IP32
  478. bool "SGI IP32 (O2)"
  479. select ARC
  480. select ARC32
  481. select BOOT_ELF32
  482. select CEVT_R4K
  483. select CSRC_R4K
  484. select DMA_NONCOHERENT
  485. select HW_HAS_PCI
  486. select IRQ_CPU
  487. select R5000_CPU_SCACHE
  488. select RM7000_CPU_SCACHE
  489. select SYS_HAS_CPU_R5000
  490. select SYS_HAS_CPU_R10000 if BROKEN
  491. select SYS_HAS_CPU_RM7000
  492. select SYS_HAS_CPU_NEVADA
  493. select SYS_SUPPORTS_64BIT_KERNEL
  494. select SYS_SUPPORTS_BIG_ENDIAN
  495. help
  496. If you want this kernel to run on SGI O2 workstation, say Y here.
  497. config SIBYTE_CRHINE
  498. bool "Sibyte BCM91120C-CRhine"
  499. depends on EXPERIMENTAL
  500. select BOOT_ELF32
  501. select DMA_COHERENT
  502. select SIBYTE_BCM1120
  503. select SWAP_IO_SPACE
  504. select SYS_HAS_CPU_SB1
  505. select SYS_SUPPORTS_BIG_ENDIAN
  506. select SYS_SUPPORTS_LITTLE_ENDIAN
  507. config SIBYTE_CARMEL
  508. bool "Sibyte BCM91120x-Carmel"
  509. depends on EXPERIMENTAL
  510. select BOOT_ELF32
  511. select DMA_COHERENT
  512. select SIBYTE_BCM1120
  513. select SWAP_IO_SPACE
  514. select SYS_HAS_CPU_SB1
  515. select SYS_SUPPORTS_BIG_ENDIAN
  516. select SYS_SUPPORTS_LITTLE_ENDIAN
  517. config SIBYTE_CRHONE
  518. bool "Sibyte BCM91125C-CRhone"
  519. depends on EXPERIMENTAL
  520. select BOOT_ELF32
  521. select DMA_COHERENT
  522. select SIBYTE_BCM1125
  523. select SWAP_IO_SPACE
  524. select SYS_HAS_CPU_SB1
  525. select SYS_SUPPORTS_BIG_ENDIAN
  526. select SYS_SUPPORTS_HIGHMEM
  527. select SYS_SUPPORTS_LITTLE_ENDIAN
  528. config SIBYTE_RHONE
  529. bool "Sibyte BCM91125E-Rhone"
  530. depends on EXPERIMENTAL
  531. select BOOT_ELF32
  532. select DMA_COHERENT
  533. select SIBYTE_BCM1125H
  534. select SWAP_IO_SPACE
  535. select SYS_HAS_CPU_SB1
  536. select SYS_SUPPORTS_BIG_ENDIAN
  537. select SYS_SUPPORTS_LITTLE_ENDIAN
  538. config SIBYTE_SWARM
  539. bool "Sibyte BCM91250A-SWARM"
  540. select BOOT_ELF32
  541. select DMA_COHERENT
  542. select HAVE_PATA_PLATFORM
  543. select NR_CPUS_DEFAULT_2
  544. select SIBYTE_SB1250
  545. select SWAP_IO_SPACE
  546. select SYS_HAS_CPU_SB1
  547. select SYS_SUPPORTS_BIG_ENDIAN
  548. select SYS_SUPPORTS_HIGHMEM
  549. select SYS_SUPPORTS_LITTLE_ENDIAN
  550. select ZONE_DMA32 if 64BIT
  551. config SIBYTE_LITTLESUR
  552. bool "Sibyte BCM91250C2-LittleSur"
  553. depends on EXPERIMENTAL
  554. select BOOT_ELF32
  555. select DMA_COHERENT
  556. select HAVE_PATA_PLATFORM
  557. select NR_CPUS_DEFAULT_2
  558. select SIBYTE_SB1250
  559. select SWAP_IO_SPACE
  560. select SYS_HAS_CPU_SB1
  561. select SYS_SUPPORTS_BIG_ENDIAN
  562. select SYS_SUPPORTS_HIGHMEM
  563. select SYS_SUPPORTS_LITTLE_ENDIAN
  564. config SIBYTE_SENTOSA
  565. bool "Sibyte BCM91250E-Sentosa"
  566. depends on EXPERIMENTAL
  567. select BOOT_ELF32
  568. select DMA_COHERENT
  569. select NR_CPUS_DEFAULT_2
  570. select SIBYTE_SB1250
  571. select SWAP_IO_SPACE
  572. select SYS_HAS_CPU_SB1
  573. select SYS_SUPPORTS_BIG_ENDIAN
  574. select SYS_SUPPORTS_LITTLE_ENDIAN
  575. config SIBYTE_BIGSUR
  576. bool "Sibyte BCM91480B-BigSur"
  577. select BOOT_ELF32
  578. select DMA_COHERENT
  579. select NR_CPUS_DEFAULT_4
  580. select SIBYTE_BCM1x80
  581. select SWAP_IO_SPACE
  582. select SYS_HAS_CPU_SB1
  583. select SYS_SUPPORTS_BIG_ENDIAN
  584. select SYS_SUPPORTS_HIGHMEM
  585. select SYS_SUPPORTS_LITTLE_ENDIAN
  586. select ZONE_DMA32 if 64BIT
  587. config SNI_RM
  588. bool "SNI RM200/300/400"
  589. select ARC if CPU_LITTLE_ENDIAN
  590. select ARC32 if CPU_LITTLE_ENDIAN
  591. select SNIPROM if CPU_BIG_ENDIAN
  592. select ARCH_MAY_HAVE_PC_FDC
  593. select BOOT_ELF32
  594. select CEVT_R4K
  595. select CSRC_R4K
  596. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  597. select DMA_NONCOHERENT
  598. select GENERIC_ISA_DMA
  599. select HAVE_PCSPKR_PLATFORM
  600. select HW_HAS_EISA
  601. select HW_HAS_PCI
  602. select IRQ_CPU
  603. select I8253
  604. select I8259
  605. select ISA
  606. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  607. select SYS_HAS_CPU_R4X00
  608. select SYS_HAS_CPU_R5000
  609. select SYS_HAS_CPU_R10000
  610. select R5000_CPU_SCACHE
  611. select SYS_HAS_EARLY_PRINTK
  612. select SYS_SUPPORTS_32BIT_KERNEL
  613. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  614. select SYS_SUPPORTS_BIG_ENDIAN
  615. select SYS_SUPPORTS_HIGHMEM
  616. select SYS_SUPPORTS_LITTLE_ENDIAN
  617. help
  618. The SNI RM200/300/400 are MIPS-based machines manufactured by
  619. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  620. Technology and now in turn merged with Fujitsu. Say Y here to
  621. support this machine type.
  622. config MACH_TX39XX
  623. bool "Toshiba TX39 series based machines"
  624. config MACH_TX49XX
  625. bool "Toshiba TX49 series based machines"
  626. config MIKROTIK_RB532
  627. bool "Mikrotik RB532 boards"
  628. select CEVT_R4K
  629. select CSRC_R4K
  630. select DMA_NONCOHERENT
  631. select HW_HAS_PCI
  632. select IRQ_CPU
  633. select SYS_HAS_CPU_MIPS32_R1
  634. select SYS_SUPPORTS_32BIT_KERNEL
  635. select SYS_SUPPORTS_LITTLE_ENDIAN
  636. select SWAP_IO_SPACE
  637. select BOOT_RAW
  638. select ARCH_REQUIRE_GPIOLIB
  639. help
  640. Support the Mikrotik(tm) RouterBoard 532 series,
  641. based on the IDT RC32434 SoC.
  642. config WR_PPMC
  643. bool "Wind River PPMC board"
  644. select CEVT_R4K
  645. select CSRC_R4K
  646. select IRQ_CPU
  647. select BOOT_ELF32
  648. select DMA_NONCOHERENT
  649. select HW_HAS_PCI
  650. select PCI_GT64XXX_PCI0
  651. select SWAP_IO_SPACE
  652. select SYS_HAS_CPU_MIPS32_R1
  653. select SYS_HAS_CPU_MIPS32_R2
  654. select SYS_HAS_CPU_MIPS64_R1
  655. select SYS_HAS_CPU_NEVADA
  656. select SYS_HAS_CPU_RM7000
  657. select SYS_SUPPORTS_32BIT_KERNEL
  658. select SYS_SUPPORTS_64BIT_KERNEL
  659. select SYS_SUPPORTS_BIG_ENDIAN
  660. select SYS_SUPPORTS_LITTLE_ENDIAN
  661. help
  662. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  663. board, which is based on GT64120 bridge chip.
  664. config CAVIUM_OCTEON_SIMULATOR
  665. bool "Cavium Networks Octeon Simulator"
  666. select CEVT_R4K
  667. select 64BIT_PHYS_ADDR
  668. select DMA_COHERENT
  669. select SYS_SUPPORTS_64BIT_KERNEL
  670. select SYS_SUPPORTS_BIG_ENDIAN
  671. select SYS_SUPPORTS_HIGHMEM
  672. select SYS_SUPPORTS_HOTPLUG_CPU
  673. select SYS_HAS_CPU_CAVIUM_OCTEON
  674. select HOLES_IN_ZONE
  675. help
  676. The Octeon simulator is software performance model of the Cavium
  677. Octeon Processor. It supports simulating Octeon processors on x86
  678. hardware.
  679. config CAVIUM_OCTEON_REFERENCE_BOARD
  680. bool "Cavium Networks Octeon reference board"
  681. select CEVT_R4K
  682. select 64BIT_PHYS_ADDR
  683. select DMA_COHERENT
  684. select SYS_SUPPORTS_64BIT_KERNEL
  685. select SYS_SUPPORTS_BIG_ENDIAN
  686. select SYS_SUPPORTS_HIGHMEM
  687. select SYS_SUPPORTS_HOTPLUG_CPU
  688. select SYS_HAS_EARLY_PRINTK
  689. select SYS_HAS_CPU_CAVIUM_OCTEON
  690. select SWAP_IO_SPACE
  691. select HW_HAS_PCI
  692. select ARCH_SUPPORTS_MSI
  693. select ZONE_DMA32
  694. select USB_ARCH_HAS_OHCI
  695. select USB_ARCH_HAS_EHCI
  696. select HOLES_IN_ZONE
  697. help
  698. This option supports all of the Octeon reference boards from Cavium
  699. Networks. It builds a kernel that dynamically determines the Octeon
  700. CPU type and supports all known board reference implementations.
  701. Some of the supported boards are:
  702. EBT3000
  703. EBH3000
  704. EBH3100
  705. Thunder
  706. Kodama
  707. Hikari
  708. Say Y here for most Octeon reference boards.
  709. config NLM_XLR_BOARD
  710. bool "Netlogic XLR/XLS based systems"
  711. depends on EXPERIMENTAL
  712. select BOOT_ELF32
  713. select NLM_COMMON
  714. select NLM_XLR
  715. select SYS_HAS_CPU_XLR
  716. select SYS_SUPPORTS_SMP
  717. select HW_HAS_PCI
  718. select SWAP_IO_SPACE
  719. select SYS_SUPPORTS_32BIT_KERNEL
  720. select SYS_SUPPORTS_64BIT_KERNEL
  721. select 64BIT_PHYS_ADDR
  722. select SYS_SUPPORTS_BIG_ENDIAN
  723. select SYS_SUPPORTS_HIGHMEM
  724. select DMA_COHERENT
  725. select NR_CPUS_DEFAULT_32
  726. select CEVT_R4K
  727. select CSRC_R4K
  728. select IRQ_CPU
  729. select ZONE_DMA if 64BIT
  730. select SYNC_R4K
  731. select SYS_HAS_EARLY_PRINTK
  732. help
  733. Support for systems based on Netlogic XLR and XLS processors.
  734. Say Y here if you have a XLR or XLS based board.
  735. endchoice
  736. source "arch/mips/alchemy/Kconfig"
  737. source "arch/mips/ath79/Kconfig"
  738. source "arch/mips/bcm47xx/Kconfig"
  739. source "arch/mips/bcm63xx/Kconfig"
  740. source "arch/mips/jazz/Kconfig"
  741. source "arch/mips/jz4740/Kconfig"
  742. source "arch/mips/lantiq/Kconfig"
  743. source "arch/mips/lasat/Kconfig"
  744. source "arch/mips/pmc-sierra/Kconfig"
  745. source "arch/mips/powertv/Kconfig"
  746. source "arch/mips/sgi-ip27/Kconfig"
  747. source "arch/mips/sibyte/Kconfig"
  748. source "arch/mips/txx9/Kconfig"
  749. source "arch/mips/vr41xx/Kconfig"
  750. source "arch/mips/cavium-octeon/Kconfig"
  751. source "arch/mips/loongson/Kconfig"
  752. source "arch/mips/netlogic/Kconfig"
  753. endmenu
  754. config RWSEM_GENERIC_SPINLOCK
  755. bool
  756. default y
  757. config RWSEM_XCHGADD_ALGORITHM
  758. bool
  759. config ARCH_HAS_ILOG2_U32
  760. bool
  761. default n
  762. config ARCH_HAS_ILOG2_U64
  763. bool
  764. default n
  765. config GENERIC_HWEIGHT
  766. bool
  767. default y
  768. config GENERIC_CALIBRATE_DELAY
  769. bool
  770. default y
  771. config GENERIC_CLOCKEVENTS
  772. bool
  773. default y
  774. config GENERIC_CMOS_UPDATE
  775. bool
  776. default y
  777. config SCHED_OMIT_FRAME_POINTER
  778. bool
  779. default y
  780. #
  781. # Select some configuration options automatically based on user selections.
  782. #
  783. config ARC
  784. bool
  785. config ARCH_MAY_HAVE_PC_FDC
  786. bool
  787. config BOOT_RAW
  788. bool
  789. config CEVT_BCM1480
  790. bool
  791. config CEVT_DS1287
  792. bool
  793. config CEVT_GT641XX
  794. bool
  795. config CEVT_R4K_LIB
  796. bool
  797. config CEVT_R4K
  798. select CEVT_R4K_LIB
  799. bool
  800. config CEVT_SB1250
  801. bool
  802. config CEVT_TXX9
  803. bool
  804. config CSRC_BCM1480
  805. bool
  806. config CSRC_IOASIC
  807. bool
  808. config CSRC_POWERTV
  809. bool
  810. config CSRC_R4K_LIB
  811. bool
  812. config CSRC_R4K
  813. select CSRC_R4K_LIB
  814. bool
  815. config CSRC_SB1250
  816. bool
  817. config GPIO_TXX9
  818. select GENERIC_GPIO
  819. select ARCH_REQUIRE_GPIOLIB
  820. bool
  821. config CFE
  822. bool
  823. config ARCH_DMA_ADDR_T_64BIT
  824. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  825. config DMA_COHERENT
  826. bool
  827. config DMA_NONCOHERENT
  828. bool
  829. select NEED_DMA_MAP_STATE
  830. config NEED_DMA_MAP_STATE
  831. bool
  832. config SYS_HAS_EARLY_PRINTK
  833. bool
  834. config HOTPLUG_CPU
  835. bool "Support for hot-pluggable CPUs"
  836. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  837. help
  838. Say Y here to allow turning CPUs off and on. CPUs can be
  839. controlled through /sys/devices/system/cpu.
  840. (Note: power management support will enable this option
  841. automatically on SMP systems. )
  842. Say N if you want to disable CPU hotplug.
  843. config SYS_SUPPORTS_HOTPLUG_CPU
  844. bool
  845. config I8259
  846. bool
  847. config MIPS_BONITO64
  848. bool
  849. config MIPS_MSC
  850. bool
  851. config MIPS_NILE4
  852. bool
  853. config MIPS_DISABLE_OBSOLETE_IDE
  854. bool
  855. config SYNC_R4K
  856. bool
  857. config MIPS_MACHINE
  858. def_bool n
  859. config NO_IOPORT
  860. def_bool n
  861. config GENERIC_ISA_DMA
  862. bool
  863. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  864. select ISA_DMA_API
  865. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  866. bool
  867. select GENERIC_ISA_DMA
  868. config ISA_DMA_API
  869. bool
  870. config GENERIC_GPIO
  871. bool
  872. config HOLES_IN_ZONE
  873. bool
  874. #
  875. # Endianess selection. Sufficiently obscure so many users don't know what to
  876. # answer,so we try hard to limit the available choices. Also the use of a
  877. # choice statement should be more obvious to the user.
  878. #
  879. choice
  880. prompt "Endianess selection"
  881. help
  882. Some MIPS machines can be configured for either little or big endian
  883. byte order. These modes require different kernels and a different
  884. Linux distribution. In general there is one preferred byteorder for a
  885. particular system but some systems are just as commonly used in the
  886. one or the other endianness.
  887. config CPU_BIG_ENDIAN
  888. bool "Big endian"
  889. depends on SYS_SUPPORTS_BIG_ENDIAN
  890. config CPU_LITTLE_ENDIAN
  891. bool "Little endian"
  892. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  893. help
  894. endchoice
  895. config EXPORT_UASM
  896. bool
  897. config SYS_SUPPORTS_APM_EMULATION
  898. bool
  899. config SYS_SUPPORTS_BIG_ENDIAN
  900. bool
  901. config SYS_SUPPORTS_LITTLE_ENDIAN
  902. bool
  903. config SYS_SUPPORTS_HUGETLBFS
  904. bool
  905. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  906. default y
  907. config IRQ_CPU
  908. bool
  909. config IRQ_CPU_RM7K
  910. bool
  911. config IRQ_CPU_RM9K
  912. bool
  913. config IRQ_MSP_SLP
  914. bool
  915. config IRQ_MSP_CIC
  916. bool
  917. config IRQ_TXX9
  918. bool
  919. config IRQ_GT641XX
  920. bool
  921. config IRQ_GIC
  922. bool
  923. config MIPS_BOARDS_GEN
  924. bool
  925. config PCI_GT64XXX_PCI0
  926. bool
  927. config NO_EXCEPT_FILL
  928. bool
  929. config MIPS_RM9122
  930. bool
  931. select SERIAL_RM9000
  932. config SOC_EMMA2RH
  933. bool
  934. select CEVT_R4K
  935. select CSRC_R4K
  936. select DMA_NONCOHERENT
  937. select IRQ_CPU
  938. select SWAP_IO_SPACE
  939. select SYS_HAS_CPU_R5500
  940. select SYS_SUPPORTS_32BIT_KERNEL
  941. select SYS_SUPPORTS_64BIT_KERNEL
  942. select SYS_SUPPORTS_BIG_ENDIAN
  943. config SOC_PNX833X
  944. bool
  945. select CEVT_R4K
  946. select CSRC_R4K
  947. select IRQ_CPU
  948. select DMA_NONCOHERENT
  949. select SYS_HAS_CPU_MIPS32_R2
  950. select SYS_SUPPORTS_32BIT_KERNEL
  951. select SYS_SUPPORTS_LITTLE_ENDIAN
  952. select SYS_SUPPORTS_BIG_ENDIAN
  953. select GENERIC_GPIO
  954. select CPU_MIPSR2_IRQ_VI
  955. config SOC_PNX8335
  956. bool
  957. select SOC_PNX833X
  958. config PNX8550
  959. bool
  960. select SOC_PNX8550
  961. config SOC_PNX8550
  962. bool
  963. select DMA_NONCOHERENT
  964. select HW_HAS_PCI
  965. select SYS_HAS_CPU_MIPS32_R1
  966. select SYS_HAS_EARLY_PRINTK
  967. select SYS_SUPPORTS_32BIT_KERNEL
  968. select GENERIC_GPIO
  969. config SWAP_IO_SPACE
  970. bool
  971. config SERIAL_RM9000
  972. bool
  973. config SGI_HAS_INDYDOG
  974. bool
  975. config SGI_HAS_HAL2
  976. bool
  977. config SGI_HAS_SEEQ
  978. bool
  979. config SGI_HAS_WD93
  980. bool
  981. config SGI_HAS_ZILOG
  982. bool
  983. config SGI_HAS_I8042
  984. bool
  985. config DEFAULT_SGI_PARTITION
  986. bool
  987. config ARC32
  988. bool
  989. config SNIPROM
  990. bool
  991. config BOOT_ELF32
  992. bool
  993. config MIPS_L1_CACHE_SHIFT
  994. int
  995. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  996. default "6" if MIPS_CPU_SCACHE
  997. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  998. default "5"
  999. config HAVE_STD_PC_SERIAL_PORT
  1000. bool
  1001. config ARC_CONSOLE
  1002. bool "ARC console support"
  1003. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1004. config ARC_MEMORY
  1005. bool
  1006. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1007. default y
  1008. config ARC_PROMLIB
  1009. bool
  1010. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1011. default y
  1012. config ARC64
  1013. bool
  1014. config BOOT_ELF64
  1015. bool
  1016. menu "CPU selection"
  1017. choice
  1018. prompt "CPU type"
  1019. default CPU_R4X00
  1020. config CPU_LOONGSON2E
  1021. bool "Loongson 2E"
  1022. depends on SYS_HAS_CPU_LOONGSON2E
  1023. select CPU_LOONGSON2
  1024. help
  1025. The Loongson 2E processor implements the MIPS III instruction set
  1026. with many extensions.
  1027. It has an internal FPGA northbridge, which is compatible to
  1028. bonito64.
  1029. config CPU_LOONGSON2F
  1030. bool "Loongson 2F"
  1031. depends on SYS_HAS_CPU_LOONGSON2F
  1032. select CPU_LOONGSON2
  1033. select GENERIC_GPIO
  1034. select ARCH_REQUIRE_GPIOLIB
  1035. help
  1036. The Loongson 2F processor implements the MIPS III instruction set
  1037. with many extensions.
  1038. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1039. have a similar programming interface with FPGA northbridge used in
  1040. Loongson2E.
  1041. config CPU_MIPS32_R1
  1042. bool "MIPS32 Release 1"
  1043. depends on SYS_HAS_CPU_MIPS32_R1
  1044. select CPU_HAS_PREFETCH
  1045. select CPU_SUPPORTS_32BIT_KERNEL
  1046. select CPU_SUPPORTS_HIGHMEM
  1047. help
  1048. Choose this option to build a kernel for release 1 or later of the
  1049. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1050. MIPS processor are based on a MIPS32 processor. If you know the
  1051. specific type of processor in your system, choose those that one
  1052. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1053. Release 2 of the MIPS32 architecture is available since several
  1054. years so chances are you even have a MIPS32 Release 2 processor
  1055. in which case you should choose CPU_MIPS32_R2 instead for better
  1056. performance.
  1057. config CPU_MIPS32_R2
  1058. bool "MIPS32 Release 2"
  1059. depends on SYS_HAS_CPU_MIPS32_R2
  1060. select CPU_HAS_PREFETCH
  1061. select CPU_SUPPORTS_32BIT_KERNEL
  1062. select CPU_SUPPORTS_HIGHMEM
  1063. help
  1064. Choose this option to build a kernel for release 2 or later of the
  1065. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1066. MIPS processor are based on a MIPS32 processor. If you know the
  1067. specific type of processor in your system, choose those that one
  1068. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1069. config CPU_MIPS64_R1
  1070. bool "MIPS64 Release 1"
  1071. depends on SYS_HAS_CPU_MIPS64_R1
  1072. select CPU_HAS_PREFETCH
  1073. select CPU_SUPPORTS_32BIT_KERNEL
  1074. select CPU_SUPPORTS_64BIT_KERNEL
  1075. select CPU_SUPPORTS_HIGHMEM
  1076. select CPU_SUPPORTS_HUGEPAGES
  1077. help
  1078. Choose this option to build a kernel for release 1 or later of the
  1079. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1080. MIPS processor are based on a MIPS64 processor. If you know the
  1081. specific type of processor in your system, choose those that one
  1082. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1083. Release 2 of the MIPS64 architecture is available since several
  1084. years so chances are you even have a MIPS64 Release 2 processor
  1085. in which case you should choose CPU_MIPS64_R2 instead for better
  1086. performance.
  1087. config CPU_MIPS64_R2
  1088. bool "MIPS64 Release 2"
  1089. depends on SYS_HAS_CPU_MIPS64_R2
  1090. select CPU_HAS_PREFETCH
  1091. select CPU_SUPPORTS_32BIT_KERNEL
  1092. select CPU_SUPPORTS_64BIT_KERNEL
  1093. select CPU_SUPPORTS_HIGHMEM
  1094. select CPU_SUPPORTS_HUGEPAGES
  1095. help
  1096. Choose this option to build a kernel for release 2 or later of the
  1097. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1098. MIPS processor are based on a MIPS64 processor. If you know the
  1099. specific type of processor in your system, choose those that one
  1100. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1101. config CPU_R3000
  1102. bool "R3000"
  1103. depends on SYS_HAS_CPU_R3000
  1104. select CPU_HAS_WB
  1105. select CPU_SUPPORTS_32BIT_KERNEL
  1106. select CPU_SUPPORTS_HIGHMEM
  1107. help
  1108. Please make sure to pick the right CPU type. Linux/MIPS is not
  1109. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1110. *not* work on R4000 machines and vice versa. However, since most
  1111. of the supported machines have an R4000 (or similar) CPU, R4x00
  1112. might be a safe bet. If the resulting kernel does not work,
  1113. try to recompile with R3000.
  1114. config CPU_TX39XX
  1115. bool "R39XX"
  1116. depends on SYS_HAS_CPU_TX39XX
  1117. select CPU_SUPPORTS_32BIT_KERNEL
  1118. config CPU_VR41XX
  1119. bool "R41xx"
  1120. depends on SYS_HAS_CPU_VR41XX
  1121. select CPU_SUPPORTS_32BIT_KERNEL
  1122. select CPU_SUPPORTS_64BIT_KERNEL
  1123. help
  1124. The options selects support for the NEC VR4100 series of processors.
  1125. Only choose this option if you have one of these processors as a
  1126. kernel built with this option will not run on any other type of
  1127. processor or vice versa.
  1128. config CPU_R4300
  1129. bool "R4300"
  1130. depends on SYS_HAS_CPU_R4300
  1131. select CPU_SUPPORTS_32BIT_KERNEL
  1132. select CPU_SUPPORTS_64BIT_KERNEL
  1133. help
  1134. MIPS Technologies R4300-series processors.
  1135. config CPU_R4X00
  1136. bool "R4x00"
  1137. depends on SYS_HAS_CPU_R4X00
  1138. select CPU_SUPPORTS_32BIT_KERNEL
  1139. select CPU_SUPPORTS_64BIT_KERNEL
  1140. help
  1141. MIPS Technologies R4000-series processors other than 4300, including
  1142. the R4000, R4400, R4600, and 4700.
  1143. config CPU_TX49XX
  1144. bool "R49XX"
  1145. depends on SYS_HAS_CPU_TX49XX
  1146. select CPU_HAS_PREFETCH
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_64BIT_KERNEL
  1149. config CPU_R5000
  1150. bool "R5000"
  1151. depends on SYS_HAS_CPU_R5000
  1152. select CPU_SUPPORTS_32BIT_KERNEL
  1153. select CPU_SUPPORTS_64BIT_KERNEL
  1154. help
  1155. MIPS Technologies R5000-series processors other than the Nevada.
  1156. config CPU_R5432
  1157. bool "R5432"
  1158. depends on SYS_HAS_CPU_R5432
  1159. select CPU_SUPPORTS_32BIT_KERNEL
  1160. select CPU_SUPPORTS_64BIT_KERNEL
  1161. config CPU_R5500
  1162. bool "R5500"
  1163. depends on SYS_HAS_CPU_R5500
  1164. select CPU_SUPPORTS_32BIT_KERNEL
  1165. select CPU_SUPPORTS_64BIT_KERNEL
  1166. select CPU_SUPPORTS_HUGEPAGES
  1167. help
  1168. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1169. instruction set.
  1170. config CPU_R6000
  1171. bool "R6000"
  1172. depends on EXPERIMENTAL
  1173. depends on SYS_HAS_CPU_R6000
  1174. select CPU_SUPPORTS_32BIT_KERNEL
  1175. help
  1176. MIPS Technologies R6000 and R6000A series processors. Note these
  1177. processors are extremely rare and the support for them is incomplete.
  1178. config CPU_NEVADA
  1179. bool "RM52xx"
  1180. depends on SYS_HAS_CPU_NEVADA
  1181. select CPU_SUPPORTS_32BIT_KERNEL
  1182. select CPU_SUPPORTS_64BIT_KERNEL
  1183. help
  1184. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1185. config CPU_R8000
  1186. bool "R8000"
  1187. depends on EXPERIMENTAL
  1188. depends on SYS_HAS_CPU_R8000
  1189. select CPU_HAS_PREFETCH
  1190. select CPU_SUPPORTS_64BIT_KERNEL
  1191. help
  1192. MIPS Technologies R8000 processors. Note these processors are
  1193. uncommon and the support for them is incomplete.
  1194. config CPU_R10000
  1195. bool "R10000"
  1196. depends on SYS_HAS_CPU_R10000
  1197. select CPU_HAS_PREFETCH
  1198. select CPU_SUPPORTS_32BIT_KERNEL
  1199. select CPU_SUPPORTS_64BIT_KERNEL
  1200. select CPU_SUPPORTS_HIGHMEM
  1201. help
  1202. MIPS Technologies R10000-series processors.
  1203. config CPU_RM7000
  1204. bool "RM7000"
  1205. depends on SYS_HAS_CPU_RM7000
  1206. select CPU_HAS_PREFETCH
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. select CPU_SUPPORTS_HIGHMEM
  1210. config CPU_RM9000
  1211. bool "RM9000"
  1212. depends on SYS_HAS_CPU_RM9000
  1213. select CPU_HAS_PREFETCH
  1214. select CPU_SUPPORTS_32BIT_KERNEL
  1215. select CPU_SUPPORTS_64BIT_KERNEL
  1216. select CPU_SUPPORTS_HIGHMEM
  1217. select WEAK_ORDERING
  1218. config CPU_SB1
  1219. bool "SB1"
  1220. depends on SYS_HAS_CPU_SB1
  1221. select CPU_SUPPORTS_32BIT_KERNEL
  1222. select CPU_SUPPORTS_64BIT_KERNEL
  1223. select CPU_SUPPORTS_HIGHMEM
  1224. select WEAK_ORDERING
  1225. config CPU_CAVIUM_OCTEON
  1226. bool "Cavium Octeon processor"
  1227. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1228. select CPU_HAS_PREFETCH
  1229. select CPU_SUPPORTS_64BIT_KERNEL
  1230. select SYS_SUPPORTS_SMP
  1231. select NR_CPUS_DEFAULT_16
  1232. select WEAK_ORDERING
  1233. select CPU_SUPPORTS_HIGHMEM
  1234. select CPU_SUPPORTS_HUGEPAGES
  1235. help
  1236. The Cavium Octeon processor is a highly integrated chip containing
  1237. many ethernet hardware widgets for networking tasks. The processor
  1238. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1239. Full details can be found at http://www.caviumnetworks.com.
  1240. config CPU_BMIPS3300
  1241. bool "BMIPS3300"
  1242. depends on SYS_HAS_CPU_BMIPS3300
  1243. select DMA_NONCOHERENT
  1244. select IRQ_CPU
  1245. select SWAP_IO_SPACE
  1246. select SYS_SUPPORTS_32BIT_KERNEL
  1247. select WEAK_ORDERING
  1248. help
  1249. Broadcom BMIPS3300 processors.
  1250. config CPU_BMIPS4350
  1251. bool "BMIPS4350"
  1252. depends on SYS_HAS_CPU_BMIPS4350
  1253. select CPU_SUPPORTS_32BIT_KERNEL
  1254. select DMA_NONCOHERENT
  1255. select IRQ_CPU
  1256. select SWAP_IO_SPACE
  1257. select SYS_SUPPORTS_SMP
  1258. select SYS_SUPPORTS_HOTPLUG_CPU
  1259. select WEAK_ORDERING
  1260. help
  1261. Broadcom BMIPS4350 ("VIPER") processors.
  1262. config CPU_BMIPS4380
  1263. bool "BMIPS4380"
  1264. depends on SYS_HAS_CPU_BMIPS4380
  1265. select CPU_SUPPORTS_32BIT_KERNEL
  1266. select DMA_NONCOHERENT
  1267. select IRQ_CPU
  1268. select SWAP_IO_SPACE
  1269. select SYS_SUPPORTS_SMP
  1270. select SYS_SUPPORTS_HOTPLUG_CPU
  1271. select WEAK_ORDERING
  1272. help
  1273. Broadcom BMIPS4380 processors.
  1274. config CPU_BMIPS5000
  1275. bool "BMIPS5000"
  1276. depends on SYS_HAS_CPU_BMIPS5000
  1277. select CPU_SUPPORTS_32BIT_KERNEL
  1278. select CPU_SUPPORTS_HIGHMEM
  1279. select DMA_NONCOHERENT
  1280. select IRQ_CPU
  1281. select SWAP_IO_SPACE
  1282. select SYS_SUPPORTS_SMP
  1283. select SYS_SUPPORTS_HOTPLUG_CPU
  1284. select WEAK_ORDERING
  1285. help
  1286. Broadcom BMIPS5000 processors.
  1287. config CPU_XLR
  1288. bool "Netlogic XLR SoC"
  1289. depends on SYS_HAS_CPU_XLR
  1290. select CPU_SUPPORTS_32BIT_KERNEL
  1291. select CPU_SUPPORTS_64BIT_KERNEL
  1292. select CPU_SUPPORTS_HIGHMEM
  1293. select WEAK_ORDERING
  1294. select WEAK_REORDERING_BEYOND_LLSC
  1295. select CPU_SUPPORTS_HUGEPAGES
  1296. help
  1297. Netlogic Microsystems XLR/XLS processors.
  1298. endchoice
  1299. if CPU_LOONGSON2F
  1300. config CPU_NOP_WORKAROUNDS
  1301. bool
  1302. config CPU_JUMP_WORKAROUNDS
  1303. bool
  1304. config CPU_LOONGSON2F_WORKAROUNDS
  1305. bool "Loongson 2F Workarounds"
  1306. default y
  1307. select CPU_NOP_WORKAROUNDS
  1308. select CPU_JUMP_WORKAROUNDS
  1309. help
  1310. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1311. require workarounds. Without workarounds the system may hang
  1312. unexpectedly. For more information please refer to the gas
  1313. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1314. Loongson 2F03 and later have fixed these issues and no workarounds
  1315. are needed. The workarounds have no significant side effect on them
  1316. but may decrease the performance of the system so this option should
  1317. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1318. systems.
  1319. If unsure, please say Y.
  1320. endif # CPU_LOONGSON2F
  1321. config SYS_SUPPORTS_ZBOOT
  1322. bool
  1323. select HAVE_KERNEL_GZIP
  1324. select HAVE_KERNEL_BZIP2
  1325. select HAVE_KERNEL_LZMA
  1326. select HAVE_KERNEL_LZO
  1327. config SYS_SUPPORTS_ZBOOT_UART16550
  1328. bool
  1329. select SYS_SUPPORTS_ZBOOT
  1330. config CPU_LOONGSON2
  1331. bool
  1332. select CPU_SUPPORTS_32BIT_KERNEL
  1333. select CPU_SUPPORTS_64BIT_KERNEL
  1334. select CPU_SUPPORTS_HIGHMEM
  1335. config SYS_HAS_CPU_LOONGSON2E
  1336. bool
  1337. config SYS_HAS_CPU_LOONGSON2F
  1338. bool
  1339. select CPU_SUPPORTS_CPUFREQ
  1340. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1341. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1342. config SYS_HAS_CPU_MIPS32_R1
  1343. bool
  1344. config SYS_HAS_CPU_MIPS32_R2
  1345. bool
  1346. config SYS_HAS_CPU_MIPS64_R1
  1347. bool
  1348. config SYS_HAS_CPU_MIPS64_R2
  1349. bool
  1350. config SYS_HAS_CPU_R3000
  1351. bool
  1352. config SYS_HAS_CPU_TX39XX
  1353. bool
  1354. config SYS_HAS_CPU_VR41XX
  1355. bool
  1356. config SYS_HAS_CPU_R4300
  1357. bool
  1358. config SYS_HAS_CPU_R4X00
  1359. bool
  1360. config SYS_HAS_CPU_TX49XX
  1361. bool
  1362. config SYS_HAS_CPU_R5000
  1363. bool
  1364. config SYS_HAS_CPU_R5432
  1365. bool
  1366. config SYS_HAS_CPU_R5500
  1367. bool
  1368. config SYS_HAS_CPU_R6000
  1369. bool
  1370. config SYS_HAS_CPU_NEVADA
  1371. bool
  1372. config SYS_HAS_CPU_R8000
  1373. bool
  1374. config SYS_HAS_CPU_R10000
  1375. bool
  1376. config SYS_HAS_CPU_RM7000
  1377. bool
  1378. config SYS_HAS_CPU_RM9000
  1379. bool
  1380. config SYS_HAS_CPU_SB1
  1381. bool
  1382. config SYS_HAS_CPU_CAVIUM_OCTEON
  1383. bool
  1384. config SYS_HAS_CPU_BMIPS3300
  1385. bool
  1386. config SYS_HAS_CPU_BMIPS4350
  1387. bool
  1388. config SYS_HAS_CPU_BMIPS4380
  1389. bool
  1390. config SYS_HAS_CPU_BMIPS5000
  1391. bool
  1392. config SYS_HAS_CPU_XLR
  1393. bool
  1394. #
  1395. # CPU may reorder R->R, R->W, W->R, W->W
  1396. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1397. #
  1398. config WEAK_ORDERING
  1399. bool
  1400. #
  1401. # CPU may reorder reads and writes beyond LL/SC
  1402. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1403. #
  1404. config WEAK_REORDERING_BEYOND_LLSC
  1405. bool
  1406. endmenu
  1407. #
  1408. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1409. #
  1410. config CPU_MIPS32
  1411. bool
  1412. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1413. config CPU_MIPS64
  1414. bool
  1415. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1416. #
  1417. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1418. #
  1419. config CPU_MIPSR1
  1420. bool
  1421. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1422. config CPU_MIPSR2
  1423. bool
  1424. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1425. config SYS_SUPPORTS_32BIT_KERNEL
  1426. bool
  1427. config SYS_SUPPORTS_64BIT_KERNEL
  1428. bool
  1429. config CPU_SUPPORTS_32BIT_KERNEL
  1430. bool
  1431. config CPU_SUPPORTS_64BIT_KERNEL
  1432. bool
  1433. config CPU_SUPPORTS_CPUFREQ
  1434. bool
  1435. config CPU_SUPPORTS_ADDRWINCFG
  1436. bool
  1437. config CPU_SUPPORTS_HUGEPAGES
  1438. bool
  1439. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1440. bool
  1441. config MIPS_PGD_C0_CONTEXT
  1442. bool
  1443. default y if 64BIT && CPU_MIPSR2
  1444. #
  1445. # Set to y for ptrace access to watch registers.
  1446. #
  1447. config HARDWARE_WATCHPOINTS
  1448. bool
  1449. default y if CPU_MIPSR1 || CPU_MIPSR2
  1450. menu "Kernel type"
  1451. choice
  1452. prompt "Kernel code model"
  1453. help
  1454. You should only select this option if you have a workload that
  1455. actually benefits from 64-bit processing or if your machine has
  1456. large memory. You will only be presented a single option in this
  1457. menu if your system does not support both 32-bit and 64-bit kernels.
  1458. config 32BIT
  1459. bool "32-bit kernel"
  1460. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1461. select TRAD_SIGNALS
  1462. help
  1463. Select this option if you want to build a 32-bit kernel.
  1464. config 64BIT
  1465. bool "64-bit kernel"
  1466. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1467. select HAVE_SYSCALL_WRAPPERS
  1468. help
  1469. Select this option if you want to build a 64-bit kernel.
  1470. endchoice
  1471. choice
  1472. prompt "Kernel page size"
  1473. default PAGE_SIZE_4KB
  1474. config PAGE_SIZE_4KB
  1475. bool "4kB"
  1476. depends on !CPU_LOONGSON2
  1477. help
  1478. This option select the standard 4kB Linux page size. On some
  1479. R3000-family processors this is the only available page size. Using
  1480. 4kB page size will minimize memory consumption and is therefore
  1481. recommended for low memory systems.
  1482. config PAGE_SIZE_8KB
  1483. bool "8kB"
  1484. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1485. help
  1486. Using 8kB page size will result in higher performance kernel at
  1487. the price of higher memory consumption. This option is available
  1488. only on R8000 and cnMIPS processors. Note that you will need a
  1489. suitable Linux distribution to support this.
  1490. config PAGE_SIZE_16KB
  1491. bool "16kB"
  1492. depends on !CPU_R3000 && !CPU_TX39XX
  1493. help
  1494. Using 16kB page size will result in higher performance kernel at
  1495. the price of higher memory consumption. This option is available on
  1496. all non-R3000 family processors. Note that you will need a suitable
  1497. Linux distribution to support this.
  1498. config PAGE_SIZE_32KB
  1499. bool "32kB"
  1500. depends on CPU_CAVIUM_OCTEON
  1501. help
  1502. Using 32kB page size will result in higher performance kernel at
  1503. the price of higher memory consumption. This option is available
  1504. only on cnMIPS cores. Note that you will need a suitable Linux
  1505. distribution to support this.
  1506. config PAGE_SIZE_64KB
  1507. bool "64kB"
  1508. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1509. help
  1510. Using 64kB page size will result in higher performance kernel at
  1511. the price of higher memory consumption. This option is available on
  1512. all non-R3000 family processor. Not that at the time of this
  1513. writing this option is still high experimental.
  1514. endchoice
  1515. config FORCE_MAX_ZONEORDER
  1516. int "Maximum zone order"
  1517. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1518. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1519. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1520. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1521. range 11 64
  1522. default "11"
  1523. help
  1524. The kernel memory allocator divides physically contiguous memory
  1525. blocks into "zones", where each zone is a power of two number of
  1526. pages. This option selects the largest power of two that the kernel
  1527. keeps in the memory allocator. If you need to allocate very large
  1528. blocks of physically contiguous memory, then you may need to
  1529. increase this value.
  1530. This config option is actually maximum order plus one. For example,
  1531. a value of 11 means that the largest free memory block is 2^10 pages.
  1532. The page size is not necessarily 4KB. Keep this in mind
  1533. when choosing a value for this option.
  1534. config BOARD_SCACHE
  1535. bool
  1536. config IP22_CPU_SCACHE
  1537. bool
  1538. select BOARD_SCACHE
  1539. #
  1540. # Support for a MIPS32 / MIPS64 style S-caches
  1541. #
  1542. config MIPS_CPU_SCACHE
  1543. bool
  1544. select BOARD_SCACHE
  1545. config R5000_CPU_SCACHE
  1546. bool
  1547. select BOARD_SCACHE
  1548. config RM7000_CPU_SCACHE
  1549. bool
  1550. select BOARD_SCACHE
  1551. config SIBYTE_DMA_PAGEOPS
  1552. bool "Use DMA to clear/copy pages"
  1553. depends on CPU_SB1
  1554. help
  1555. Instead of using the CPU to zero and copy pages, use a Data Mover
  1556. channel. These DMA channels are otherwise unused by the standard
  1557. SiByte Linux port. Seems to give a small performance benefit.
  1558. config CPU_HAS_PREFETCH
  1559. bool
  1560. choice
  1561. prompt "MIPS MT options"
  1562. config MIPS_MT_DISABLED
  1563. bool "Disable multithreading support."
  1564. help
  1565. Use this option if your workload can't take advantage of
  1566. MIPS hardware multithreading support. On systems that don't have
  1567. the option of an MT-enabled processor this option will be the only
  1568. option in this menu.
  1569. config MIPS_MT_SMP
  1570. bool "Use 1 TC on each available VPE for SMP"
  1571. depends on SYS_SUPPORTS_MULTITHREADING
  1572. select CPU_MIPSR2_IRQ_VI
  1573. select CPU_MIPSR2_IRQ_EI
  1574. select MIPS_MT
  1575. select NR_CPUS_DEFAULT_2
  1576. select SMP
  1577. select SYS_SUPPORTS_SCHED_SMT if SMP
  1578. select SYS_SUPPORTS_SMP
  1579. select SMP_UP
  1580. help
  1581. This is a kernel model which is known a VSMP but lately has been
  1582. marketesed into SMVP.
  1583. Virtual SMP uses the processor's VPEs to implement virtual
  1584. processors. In currently available configuration of the 34K processor
  1585. this allows for a dual processor. Both processors will share the same
  1586. primary caches; each will obtain the half of the TLB for it's own
  1587. exclusive use. For a layman this model can be described as similar to
  1588. what Intel calls Hyperthreading.
  1589. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1590. config MIPS_MT_SMTC
  1591. bool "SMTC: Use all TCs on all VPEs for SMP"
  1592. depends on CPU_MIPS32_R2
  1593. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1594. depends on SYS_SUPPORTS_MULTITHREADING
  1595. select CPU_MIPSR2_IRQ_VI
  1596. select CPU_MIPSR2_IRQ_EI
  1597. select MIPS_MT
  1598. select NR_CPUS_DEFAULT_8
  1599. select SMP
  1600. select SYS_SUPPORTS_SMP
  1601. select SMP_UP
  1602. help
  1603. This is a kernel model which is known a SMTC or lately has been
  1604. marketesed into SMVP.
  1605. is presenting the available TC's of the core as processors to Linux.
  1606. On currently available 34K processors this means a Linux system will
  1607. see up to 5 processors. The implementation of the SMTC kernel differs
  1608. significantly from VSMP and cannot efficiently coexist in the same
  1609. kernel binary so the choice between VSMP and SMTC is a compile time
  1610. decision.
  1611. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1612. endchoice
  1613. config MIPS_MT
  1614. bool
  1615. config SCHED_SMT
  1616. bool "SMT (multithreading) scheduler support"
  1617. depends on SYS_SUPPORTS_SCHED_SMT
  1618. default n
  1619. help
  1620. SMT scheduler support improves the CPU scheduler's decision making
  1621. when dealing with MIPS MT enabled cores at a cost of slightly
  1622. increased overhead in some places. If unsure say N here.
  1623. config SYS_SUPPORTS_SCHED_SMT
  1624. bool
  1625. config SYS_SUPPORTS_MULTITHREADING
  1626. bool
  1627. config MIPS_MT_FPAFF
  1628. bool "Dynamic FPU affinity for FP-intensive threads"
  1629. default y
  1630. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1631. config MIPS_VPE_LOADER
  1632. bool "VPE loader support."
  1633. depends on SYS_SUPPORTS_MULTITHREADING
  1634. select CPU_MIPSR2_IRQ_VI
  1635. select CPU_MIPSR2_IRQ_EI
  1636. select MIPS_MT
  1637. help
  1638. Includes a loader for loading an elf relocatable object
  1639. onto another VPE and running it.
  1640. config MIPS_MT_SMTC_IM_BACKSTOP
  1641. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1642. depends on MIPS_MT_SMTC
  1643. default n
  1644. help
  1645. To support multiple TC microthreads acting as "CPUs" within
  1646. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1647. during interrupt handling. To support legacy drivers and interrupt
  1648. controller management code, SMTC has a "backstop" to track and
  1649. if necessary restore the interrupt mask. This has some performance
  1650. impact on interrupt service overhead.
  1651. config MIPS_MT_SMTC_IRQAFF
  1652. bool "Support IRQ affinity API"
  1653. depends on MIPS_MT_SMTC
  1654. default n
  1655. help
  1656. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1657. for SMTC Linux kernel. Requires platform support, of which
  1658. an example can be found in the MIPS kernel i8259 and Malta
  1659. platform code. Adds some overhead to interrupt dispatch, and
  1660. should be used only if you know what you are doing.
  1661. config MIPS_VPE_LOADER_TOM
  1662. bool "Load VPE program into memory hidden from linux"
  1663. depends on MIPS_VPE_LOADER
  1664. default y
  1665. help
  1666. The loader can use memory that is present but has been hidden from
  1667. Linux using the kernel command line option "mem=xxMB". It's up to
  1668. you to ensure the amount you put in the option and the space your
  1669. program requires is less or equal to the amount physically present.
  1670. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1671. config MIPS_VPE_APSP_API
  1672. bool "Enable support for AP/SP API (RTLX)"
  1673. depends on MIPS_VPE_LOADER
  1674. help
  1675. config MIPS_APSP_KSPD
  1676. bool "Enable KSPD"
  1677. depends on MIPS_VPE_APSP_API
  1678. default y
  1679. help
  1680. KSPD is a kernel daemon that accepts syscall requests from the SP
  1681. side, actions them and returns the results. It also handles the
  1682. "exit" syscall notifying other kernel modules the SP program is
  1683. exiting. You probably want to say yes here.
  1684. config MIPS_CMP
  1685. bool "MIPS CMP framework support"
  1686. depends on SYS_SUPPORTS_MIPS_CMP
  1687. select SYNC_R4K
  1688. select SYS_SUPPORTS_SMP
  1689. select SYS_SUPPORTS_SCHED_SMT if SMP
  1690. select WEAK_ORDERING
  1691. default n
  1692. help
  1693. This is a placeholder option for the GCMP work. It will need to
  1694. be handled differently...
  1695. config SB1_PASS_1_WORKAROUNDS
  1696. bool
  1697. depends on CPU_SB1_PASS_1
  1698. default y
  1699. config SB1_PASS_2_WORKAROUNDS
  1700. bool
  1701. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1702. default y
  1703. config SB1_PASS_2_1_WORKAROUNDS
  1704. bool
  1705. depends on CPU_SB1 && CPU_SB1_PASS_2
  1706. default y
  1707. config 64BIT_PHYS_ADDR
  1708. bool
  1709. config ARCH_PHYS_ADDR_T_64BIT
  1710. def_bool 64BIT_PHYS_ADDR
  1711. config CPU_HAS_SMARTMIPS
  1712. depends on SYS_SUPPORTS_SMARTMIPS
  1713. bool "Support for the SmartMIPS ASE"
  1714. help
  1715. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1716. increased security at both hardware and software level for
  1717. smartcards. Enabling this option will allow proper use of the
  1718. SmartMIPS instructions by Linux applications. However a kernel with
  1719. this option will not work on a MIPS core without SmartMIPS core. If
  1720. you don't know you probably don't have SmartMIPS and should say N
  1721. here.
  1722. config CPU_HAS_WB
  1723. bool
  1724. #
  1725. # Vectored interrupt mode is an R2 feature
  1726. #
  1727. config CPU_MIPSR2_IRQ_VI
  1728. bool
  1729. #
  1730. # Extended interrupt mode is an R2 feature
  1731. #
  1732. config CPU_MIPSR2_IRQ_EI
  1733. bool
  1734. config CPU_HAS_SYNC
  1735. bool
  1736. depends on !CPU_R3000
  1737. default y
  1738. config GENERIC_CLOCKEVENTS_BROADCAST
  1739. bool
  1740. #
  1741. # CPU non-features
  1742. #
  1743. config CPU_DADDI_WORKAROUNDS
  1744. bool
  1745. config CPU_R4000_WORKAROUNDS
  1746. bool
  1747. select CPU_R4400_WORKAROUNDS
  1748. config CPU_R4400_WORKAROUNDS
  1749. bool
  1750. #
  1751. # - Highmem only makes sense for the 32-bit kernel.
  1752. # - The current highmem code will only work properly on physically indexed
  1753. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1754. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1755. # moment we protect the user and offer the highmem option only on machines
  1756. # where it's known to be safe. This will not offer highmem on a few systems
  1757. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1758. # indexed CPUs but we're playing safe.
  1759. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1760. # know they might have memory configurations that could make use of highmem
  1761. # support.
  1762. #
  1763. config HIGHMEM
  1764. bool "High Memory Support"
  1765. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1766. config CPU_SUPPORTS_HIGHMEM
  1767. bool
  1768. config SYS_SUPPORTS_HIGHMEM
  1769. bool
  1770. config SYS_SUPPORTS_SMARTMIPS
  1771. bool
  1772. config ARCH_FLATMEM_ENABLE
  1773. def_bool y
  1774. depends on !NUMA && !CPU_LOONGSON2
  1775. config ARCH_DISCONTIGMEM_ENABLE
  1776. bool
  1777. default y if SGI_IP27
  1778. help
  1779. Say Y to support efficient handling of discontiguous physical memory,
  1780. for architectures which are either NUMA (Non-Uniform Memory Access)
  1781. or have huge holes in the physical address space for other reasons.
  1782. See <file:Documentation/vm/numa> for more.
  1783. config ARCH_POPULATES_NODE_MAP
  1784. def_bool y
  1785. config ARCH_SPARSEMEM_ENABLE
  1786. bool
  1787. select SPARSEMEM_STATIC
  1788. config NUMA
  1789. bool "NUMA Support"
  1790. depends on SYS_SUPPORTS_NUMA
  1791. help
  1792. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1793. Access). This option improves performance on systems with more
  1794. than two nodes; on two node systems it is generally better to
  1795. leave it disabled; on single node systems disable this option
  1796. disabled.
  1797. config SYS_SUPPORTS_NUMA
  1798. bool
  1799. config NODES_SHIFT
  1800. int
  1801. default "6"
  1802. depends on NEED_MULTIPLE_NODES
  1803. config HW_PERF_EVENTS
  1804. bool "Enable hardware performance counter support for perf events"
  1805. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1806. default y
  1807. help
  1808. Enable hardware performance counter support for perf events. If
  1809. disabled, perf events will use software events only.
  1810. source "mm/Kconfig"
  1811. config SMP
  1812. bool "Multi-Processing support"
  1813. depends on SYS_SUPPORTS_SMP
  1814. select IRQ_PER_CPU
  1815. select USE_GENERIC_SMP_HELPERS
  1816. help
  1817. This enables support for systems with more than one CPU. If you have
  1818. a system with only one CPU, like most personal computers, say N. If
  1819. you have a system with more than one CPU, say Y.
  1820. If you say N here, the kernel will run on single and multiprocessor
  1821. machines, but will use only one CPU of a multiprocessor machine. If
  1822. you say Y here, the kernel will run on many, but not all,
  1823. singleprocessor machines. On a singleprocessor machine, the kernel
  1824. will run faster if you say N here.
  1825. People using multiprocessor machines who say Y here should also say
  1826. Y to "Enhanced Real Time Clock Support", below.
  1827. See also the SMP-HOWTO available at
  1828. <http://www.tldp.org/docs.html#howto>.
  1829. If you don't know what to do here, say N.
  1830. config SMP_UP
  1831. bool
  1832. config SYS_SUPPORTS_MIPS_CMP
  1833. bool
  1834. config SYS_SUPPORTS_SMP
  1835. bool
  1836. config NR_CPUS_DEFAULT_1
  1837. bool
  1838. config NR_CPUS_DEFAULT_2
  1839. bool
  1840. config NR_CPUS_DEFAULT_4
  1841. bool
  1842. config NR_CPUS_DEFAULT_8
  1843. bool
  1844. config NR_CPUS_DEFAULT_16
  1845. bool
  1846. config NR_CPUS_DEFAULT_32
  1847. bool
  1848. config NR_CPUS_DEFAULT_64
  1849. bool
  1850. config NR_CPUS
  1851. int "Maximum number of CPUs (2-64)"
  1852. range 1 64 if NR_CPUS_DEFAULT_1
  1853. depends on SMP
  1854. default "1" if NR_CPUS_DEFAULT_1
  1855. default "2" if NR_CPUS_DEFAULT_2
  1856. default "4" if NR_CPUS_DEFAULT_4
  1857. default "8" if NR_CPUS_DEFAULT_8
  1858. default "16" if NR_CPUS_DEFAULT_16
  1859. default "32" if NR_CPUS_DEFAULT_32
  1860. default "64" if NR_CPUS_DEFAULT_64
  1861. help
  1862. This allows you to specify the maximum number of CPUs which this
  1863. kernel will support. The maximum supported value is 32 for 32-bit
  1864. kernel and 64 for 64-bit kernels; the minimum value which makes
  1865. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1866. and 2 for all others.
  1867. This is purely to save memory - each supported CPU adds
  1868. approximately eight kilobytes to the kernel image. For best
  1869. performance should round up your number of processors to the next
  1870. power of two.
  1871. source "kernel/time/Kconfig"
  1872. #
  1873. # Timer Interrupt Frequency Configuration
  1874. #
  1875. choice
  1876. prompt "Timer frequency"
  1877. default HZ_250
  1878. help
  1879. Allows the configuration of the timer frequency.
  1880. config HZ_48
  1881. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1882. config HZ_100
  1883. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1884. config HZ_128
  1885. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1886. config HZ_250
  1887. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1888. config HZ_256
  1889. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1890. config HZ_1000
  1891. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1892. config HZ_1024
  1893. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1894. endchoice
  1895. config SYS_SUPPORTS_48HZ
  1896. bool
  1897. config SYS_SUPPORTS_100HZ
  1898. bool
  1899. config SYS_SUPPORTS_128HZ
  1900. bool
  1901. config SYS_SUPPORTS_250HZ
  1902. bool
  1903. config SYS_SUPPORTS_256HZ
  1904. bool
  1905. config SYS_SUPPORTS_1000HZ
  1906. bool
  1907. config SYS_SUPPORTS_1024HZ
  1908. bool
  1909. config SYS_SUPPORTS_ARBIT_HZ
  1910. bool
  1911. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1912. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1913. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1914. !SYS_SUPPORTS_1024HZ
  1915. config HZ
  1916. int
  1917. default 48 if HZ_48
  1918. default 100 if HZ_100
  1919. default 128 if HZ_128
  1920. default 250 if HZ_250
  1921. default 256 if HZ_256
  1922. default 1000 if HZ_1000
  1923. default 1024 if HZ_1024
  1924. source "kernel/Kconfig.preempt"
  1925. config KEXEC
  1926. bool "Kexec system call (EXPERIMENTAL)"
  1927. depends on EXPERIMENTAL
  1928. help
  1929. kexec is a system call that implements the ability to shutdown your
  1930. current kernel, and to start another kernel. It is like a reboot
  1931. but it is independent of the system firmware. And like a reboot
  1932. you can start any kernel with it, not just Linux.
  1933. The name comes from the similarity to the exec system call.
  1934. It is an ongoing process to be certain the hardware in a machine
  1935. is properly shutdown, so do not be surprised if this code does not
  1936. initially work for you. It may help to enable device hotplugging
  1937. support. As of this writing the exact hardware interface is
  1938. strongly in flux, so no good recommendation can be made.
  1939. config SECCOMP
  1940. bool "Enable seccomp to safely compute untrusted bytecode"
  1941. depends on PROC_FS
  1942. default y
  1943. help
  1944. This kernel feature is useful for number crunching applications
  1945. that may need to compute untrusted bytecode during their
  1946. execution. By using pipes or other transports made available to
  1947. the process as file descriptors supporting the read/write
  1948. syscalls, it's possible to isolate those applications in
  1949. their own address space using seccomp. Once seccomp is
  1950. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1951. and the task is only allowed to execute a few safe syscalls
  1952. defined by each seccomp mode.
  1953. If unsure, say Y. Only embedded should say N here.
  1954. config USE_OF
  1955. bool "Flattened Device Tree support"
  1956. select OF
  1957. select OF_EARLY_FLATTREE
  1958. help
  1959. Include support for flattened device tree machine descriptions.
  1960. endmenu
  1961. config LOCKDEP_SUPPORT
  1962. bool
  1963. default y
  1964. config STACKTRACE_SUPPORT
  1965. bool
  1966. default y
  1967. source "init/Kconfig"
  1968. source "kernel/Kconfig.freezer"
  1969. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1970. config HW_HAS_EISA
  1971. bool
  1972. config HW_HAS_PCI
  1973. bool
  1974. config PCI
  1975. bool "Support for PCI controller"
  1976. depends on HW_HAS_PCI
  1977. select PCI_DOMAINS
  1978. help
  1979. Find out whether you have a PCI motherboard. PCI is the name of a
  1980. bus system, i.e. the way the CPU talks to the other stuff inside
  1981. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1982. say Y, otherwise N.
  1983. config PCI_DOMAINS
  1984. bool
  1985. source "drivers/pci/Kconfig"
  1986. #
  1987. # ISA support is now enabled via select. Too many systems still have the one
  1988. # or other ISA chip on the board that users don't know about so don't expect
  1989. # users to choose the right thing ...
  1990. #
  1991. config ISA
  1992. bool
  1993. config EISA
  1994. bool "EISA support"
  1995. depends on HW_HAS_EISA
  1996. select ISA
  1997. select GENERIC_ISA_DMA
  1998. ---help---
  1999. The Extended Industry Standard Architecture (EISA) bus was
  2000. developed as an open alternative to the IBM MicroChannel bus.
  2001. The EISA bus provided some of the features of the IBM MicroChannel
  2002. bus while maintaining backward compatibility with cards made for
  2003. the older ISA bus. The EISA bus saw limited use between 1988 and
  2004. 1995 when it was made obsolete by the PCI bus.
  2005. Say Y here if you are building a kernel for an EISA-based machine.
  2006. Otherwise, say N.
  2007. source "drivers/eisa/Kconfig"
  2008. config TC
  2009. bool "TURBOchannel support"
  2010. depends on MACH_DECSTATION
  2011. help
  2012. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2013. processors. TURBOchannel programming specifications are available
  2014. at:
  2015. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2016. and:
  2017. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2018. Linux driver support status is documented at:
  2019. <http://www.linux-mips.org/wiki/DECstation>
  2020. #config ACCESSBUS
  2021. # bool "Access.Bus support"
  2022. # depends on TC
  2023. config MMU
  2024. bool
  2025. default y
  2026. config I8253
  2027. bool
  2028. select CLKSRC_I8253
  2029. select CLKEVT_I8253
  2030. select MIPS_EXTERNAL_TIMER
  2031. config ZONE_DMA32
  2032. bool
  2033. source "drivers/pcmcia/Kconfig"
  2034. source "drivers/pci/hotplug/Kconfig"
  2035. config RAPIDIO
  2036. bool "RapidIO support"
  2037. depends on PCI
  2038. default n
  2039. help
  2040. If you say Y here, the kernel will include drivers and
  2041. infrastructure code to support RapidIO interconnect devices.
  2042. source "drivers/rapidio/Kconfig"
  2043. endmenu
  2044. menu "Executable file formats"
  2045. source "fs/Kconfig.binfmt"
  2046. config TRAD_SIGNALS
  2047. bool
  2048. config MIPS32_COMPAT
  2049. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2050. depends on 64BIT
  2051. help
  2052. Select this option if you want Linux/MIPS 32-bit binary
  2053. compatibility. Since all software available for Linux/MIPS is
  2054. currently 32-bit you should say Y here.
  2055. config COMPAT
  2056. bool
  2057. depends on MIPS32_COMPAT
  2058. default y
  2059. config SYSVIPC_COMPAT
  2060. bool
  2061. depends on COMPAT && SYSVIPC
  2062. default y
  2063. config MIPS32_O32
  2064. bool "Kernel support for o32 binaries"
  2065. depends on MIPS32_COMPAT
  2066. help
  2067. Select this option if you want to run o32 binaries. These are pure
  2068. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2069. existing binaries are in this format.
  2070. If unsure, say Y.
  2071. config MIPS32_N32
  2072. bool "Kernel support for n32 binaries"
  2073. depends on MIPS32_COMPAT
  2074. help
  2075. Select this option if you want to run n32 binaries. These are
  2076. 64-bit binaries using 32-bit quantities for addressing and certain
  2077. data that would normally be 64-bit. They are used in special
  2078. cases.
  2079. If unsure, say N.
  2080. config BINFMT_ELF32
  2081. bool
  2082. default y if MIPS32_O32 || MIPS32_N32
  2083. endmenu
  2084. menu "Power management options"
  2085. config ARCH_HIBERNATION_POSSIBLE
  2086. def_bool y
  2087. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2088. config ARCH_SUSPEND_POSSIBLE
  2089. def_bool y
  2090. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2091. source "kernel/power/Kconfig"
  2092. endmenu
  2093. source "arch/mips/kernel/cpufreq/Kconfig"
  2094. source "net/Kconfig"
  2095. source "drivers/Kconfig"
  2096. source "fs/Kconfig"
  2097. source "arch/mips/Kconfig.debug"
  2098. source "security/Kconfig"
  2099. source "crypto/Kconfig"
  2100. source "lib/Kconfig"