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 ARCH_BINFMT_ELF_RANDOMIZE_PIE
  20. select RTC_LIB if !MACH_LOONGSON
  21. select GENERIC_ATOMIC64 if !64BIT
  22. select HAVE_DMA_ATTRS
  23. select HAVE_DMA_API_DEBUG
  24. select HAVE_GENERIC_HARDIRQS
  25. select GENERIC_IRQ_PROBE
  26. select GENERIC_IRQ_SHOW
  27. select HAVE_ARCH_JUMP_LABEL
  28. select IRQ_FORCED_THREADING
  29. select HAVE_MEMBLOCK
  30. select HAVE_MEMBLOCK_NODE_MAP
  31. select ARCH_DISCARD_MEMBLOCK
  32. select GENERIC_SMP_IDLE_THREAD
  33. select BUILDTIME_EXTABLE_SORT
  34. select GENERIC_CLOCKEVENTS
  35. select GENERIC_CMOS_UPDATE
  36. menu "Machine selection"
  37. config ZONE_DMA
  38. bool
  39. choice
  40. prompt "System type"
  41. default SGI_IP22
  42. config MIPS_ALCHEMY
  43. bool "Alchemy processor based machines"
  44. select 64BIT_PHYS_ADDR
  45. select CEVT_R4K_LIB
  46. select CSRC_R4K_LIB
  47. select IRQ_CPU
  48. select SYS_HAS_CPU_MIPS32_R1
  49. select SYS_SUPPORTS_32BIT_KERNEL
  50. select SYS_SUPPORTS_APM_EMULATION
  51. select GENERIC_GPIO
  52. select ARCH_WANT_OPTIONAL_GPIOLIB
  53. select SYS_SUPPORTS_ZBOOT
  54. select USB_ARCH_HAS_OHCI
  55. select USB_ARCH_HAS_EHCI
  56. config AR7
  57. bool "Texas Instruments AR7"
  58. select BOOT_ELF32
  59. select DMA_NONCOHERENT
  60. select CEVT_R4K
  61. select CSRC_R4K
  62. select IRQ_CPU
  63. select NO_EXCEPT_FILL
  64. select SWAP_IO_SPACE
  65. select SYS_HAS_CPU_MIPS32_R1
  66. select SYS_HAS_EARLY_PRINTK
  67. select SYS_SUPPORTS_32BIT_KERNEL
  68. select SYS_SUPPORTS_LITTLE_ENDIAN
  69. select SYS_SUPPORTS_ZBOOT_UART16550
  70. select ARCH_REQUIRE_GPIOLIB
  71. select VLYNQ
  72. help
  73. Support for the Texas Instruments AR7 System-on-a-Chip
  74. family: TNETD7100, 7200 and 7300.
  75. config ATH79
  76. bool "Atheros AR71XX/AR724X/AR913X based boards"
  77. select ARCH_REQUIRE_GPIOLIB
  78. select BOOT_RAW
  79. select CEVT_R4K
  80. select CSRC_R4K
  81. select DMA_NONCOHERENT
  82. select IRQ_CPU
  83. select MIPS_MACHINE
  84. select SYS_HAS_CPU_MIPS32_R2
  85. select SYS_HAS_EARLY_PRINTK
  86. select SYS_SUPPORTS_32BIT_KERNEL
  87. select SYS_SUPPORTS_BIG_ENDIAN
  88. help
  89. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  90. config BCM47XX
  91. bool "Broadcom BCM47XX based boards"
  92. select CEVT_R4K
  93. select CSRC_R4K
  94. select DMA_NONCOHERENT
  95. select HW_HAS_PCI
  96. select IRQ_CPU
  97. select SYS_SUPPORTS_32BIT_KERNEL
  98. select SYS_SUPPORTS_LITTLE_ENDIAN
  99. select GENERIC_GPIO
  100. select SYS_HAS_EARLY_PRINTK
  101. select CFE
  102. help
  103. Support for BCM47XX based boards
  104. config BCM63XX
  105. bool "Broadcom BCM63XX based boards"
  106. select CEVT_R4K
  107. select CSRC_R4K
  108. select DMA_NONCOHERENT
  109. select IRQ_CPU
  110. select SYS_HAS_CPU_MIPS32_R1
  111. select SYS_SUPPORTS_32BIT_KERNEL
  112. select SYS_SUPPORTS_BIG_ENDIAN
  113. select SYS_HAS_EARLY_PRINTK
  114. select SWAP_IO_SPACE
  115. select ARCH_REQUIRE_GPIOLIB
  116. help
  117. Support for BCM63XX based boards
  118. config MIPS_COBALT
  119. bool "Cobalt Server"
  120. select CEVT_R4K
  121. select CSRC_R4K
  122. select CEVT_GT641XX
  123. select DMA_NONCOHERENT
  124. select HW_HAS_PCI
  125. select I8253
  126. select I8259
  127. select IRQ_CPU
  128. select IRQ_GT641XX
  129. select PCI_GT64XXX_PCI0
  130. select PCI
  131. select SYS_HAS_CPU_NEVADA
  132. select SYS_HAS_EARLY_PRINTK
  133. select SYS_SUPPORTS_32BIT_KERNEL
  134. select SYS_SUPPORTS_64BIT_KERNEL
  135. select SYS_SUPPORTS_LITTLE_ENDIAN
  136. config MACH_DECSTATION
  137. bool "DECstations"
  138. select BOOT_ELF32
  139. select CEVT_DS1287
  140. select CEVT_R4K
  141. select CSRC_IOASIC
  142. select CSRC_R4K
  143. select CPU_DADDI_WORKAROUNDS if 64BIT
  144. select CPU_R4000_WORKAROUNDS if 64BIT
  145. select CPU_R4400_WORKAROUNDS if 64BIT
  146. select DMA_NONCOHERENT
  147. select NO_IOPORT
  148. select IRQ_CPU
  149. select SYS_HAS_CPU_R3000
  150. select SYS_HAS_CPU_R4X00
  151. select SYS_SUPPORTS_32BIT_KERNEL
  152. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  153. select SYS_SUPPORTS_LITTLE_ENDIAN
  154. select SYS_SUPPORTS_128HZ
  155. select SYS_SUPPORTS_256HZ
  156. select SYS_SUPPORTS_1024HZ
  157. help
  158. This enables support for DEC's MIPS based workstations. For details
  159. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  160. DECstation porting pages on <http://decstation.unix-ag.org/>.
  161. If you have one of the following DECstation Models you definitely
  162. want to choose R4xx0 for the CPU Type:
  163. DECstation 5000/50
  164. DECstation 5000/150
  165. DECstation 5000/260
  166. DECsystem 5900/260
  167. otherwise choose R3000.
  168. config MACH_JAZZ
  169. bool "Jazz family of machines"
  170. select ARC
  171. select ARC32
  172. select ARCH_MAY_HAVE_PC_FDC
  173. select CEVT_R4K
  174. select CSRC_R4K
  175. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  176. select GENERIC_ISA_DMA
  177. select HAVE_PCSPKR_PLATFORM
  178. select IRQ_CPU
  179. select I8253
  180. select I8259
  181. select ISA
  182. select SYS_HAS_CPU_R4X00
  183. select SYS_SUPPORTS_32BIT_KERNEL
  184. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  185. select SYS_SUPPORTS_100HZ
  186. help
  187. This a family of machines based on the MIPS R4030 chipset which was
  188. used by several vendors to build RISC/os and Windows NT workstations.
  189. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  190. Olivetti M700-10 workstations.
  191. config MACH_JZ4740
  192. bool "Ingenic JZ4740 based machines"
  193. select SYS_HAS_CPU_MIPS32_R1
  194. select SYS_SUPPORTS_32BIT_KERNEL
  195. select SYS_SUPPORTS_LITTLE_ENDIAN
  196. select DMA_NONCOHERENT
  197. select IRQ_CPU
  198. select GENERIC_GPIO
  199. select ARCH_REQUIRE_GPIOLIB
  200. select SYS_HAS_EARLY_PRINTK
  201. select HAVE_PWM
  202. select HAVE_CLK
  203. select GENERIC_IRQ_CHIP
  204. config LANTIQ
  205. bool "Lantiq based platforms"
  206. select DMA_NONCOHERENT
  207. select IRQ_CPU
  208. select CEVT_R4K
  209. select CSRC_R4K
  210. select SYS_HAS_CPU_MIPS32_R1
  211. select SYS_HAS_CPU_MIPS32_R2
  212. select SYS_SUPPORTS_BIG_ENDIAN
  213. select SYS_SUPPORTS_32BIT_KERNEL
  214. select SYS_SUPPORTS_MULTITHREADING
  215. select SYS_HAS_EARLY_PRINTK
  216. select ARCH_REQUIRE_GPIOLIB
  217. select SWAP_IO_SPACE
  218. select BOOT_RAW
  219. select HAVE_CLK
  220. select MIPS_MACHINE
  221. config LASAT
  222. bool "LASAT Networks platforms"
  223. select CEVT_R4K
  224. select CSRC_R4K
  225. select DMA_NONCOHERENT
  226. select SYS_HAS_EARLY_PRINTK
  227. select HW_HAS_PCI
  228. select IRQ_CPU
  229. select PCI_GT64XXX_PCI0
  230. select MIPS_NILE4
  231. select R5000_CPU_SCACHE
  232. select SYS_HAS_CPU_R5000
  233. select SYS_SUPPORTS_32BIT_KERNEL
  234. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  235. select SYS_SUPPORTS_LITTLE_ENDIAN
  236. config MACH_LOONGSON
  237. bool "Loongson family of machines"
  238. select SYS_SUPPORTS_ZBOOT
  239. help
  240. This enables the support of Loongson family of machines.
  241. Loongson is a family of general-purpose MIPS-compatible CPUs.
  242. developed at Institute of Computing Technology (ICT),
  243. Chinese Academy of Sciences (CAS) in the People's Republic
  244. of China. The chief architect is Professor Weiwu Hu.
  245. config MIPS_MALTA
  246. bool "MIPS Malta board"
  247. select ARCH_MAY_HAVE_PC_FDC
  248. select BOOT_ELF32
  249. select BOOT_RAW
  250. select CEVT_R4K
  251. select CSRC_R4K
  252. select DMA_NONCOHERENT
  253. select GENERIC_ISA_DMA
  254. select HAVE_PCSPKR_PLATFORM
  255. select IRQ_CPU
  256. select IRQ_GIC
  257. select HW_HAS_PCI
  258. select I8253
  259. select I8259
  260. select MIPS_BOARDS_GEN
  261. select MIPS_BONITO64
  262. select MIPS_CPU_SCACHE
  263. select PCI_GT64XXX_PCI0
  264. select MIPS_MSC
  265. select SWAP_IO_SPACE
  266. select SYS_HAS_CPU_MIPS32_R1
  267. select SYS_HAS_CPU_MIPS32_R2
  268. select SYS_HAS_CPU_MIPS64_R1
  269. select SYS_HAS_CPU_NEVADA
  270. select SYS_HAS_CPU_RM7000
  271. select SYS_HAS_EARLY_PRINTK
  272. select SYS_SUPPORTS_32BIT_KERNEL
  273. select SYS_SUPPORTS_64BIT_KERNEL
  274. select SYS_SUPPORTS_BIG_ENDIAN
  275. select SYS_SUPPORTS_LITTLE_ENDIAN
  276. select SYS_SUPPORTS_MIPS_CMP
  277. select SYS_SUPPORTS_MULTITHREADING
  278. select SYS_SUPPORTS_SMARTMIPS
  279. select SYS_SUPPORTS_ZBOOT
  280. help
  281. This enables support for the MIPS Technologies Malta evaluation
  282. board.
  283. config MIPS_SIM
  284. bool 'MIPS simulator (MIPSsim)'
  285. select CEVT_R4K
  286. select CSRC_R4K
  287. select DMA_NONCOHERENT
  288. select SYS_HAS_EARLY_PRINTK
  289. select IRQ_CPU
  290. select BOOT_RAW
  291. select SYS_HAS_CPU_MIPS32_R1
  292. select SYS_HAS_CPU_MIPS32_R2
  293. select SYS_HAS_EARLY_PRINTK
  294. select SYS_SUPPORTS_32BIT_KERNEL
  295. select SYS_SUPPORTS_BIG_ENDIAN
  296. select SYS_SUPPORTS_MULTITHREADING
  297. select SYS_SUPPORTS_LITTLE_ENDIAN
  298. help
  299. This option enables support for MIPS Technologies MIPSsim software
  300. emulator.
  301. config NEC_MARKEINS
  302. bool "NEC EMMA2RH Mark-eins board"
  303. select SOC_EMMA2RH
  304. select HW_HAS_PCI
  305. help
  306. This enables support for the NEC Electronics Mark-eins boards.
  307. config MACH_VR41XX
  308. bool "NEC VR4100 series based machines"
  309. select CEVT_R4K
  310. select CSRC_R4K
  311. select SYS_HAS_CPU_VR41XX
  312. select ARCH_REQUIRE_GPIOLIB
  313. config NXP_STB220
  314. bool "NXP STB220 board"
  315. select SOC_PNX833X
  316. help
  317. Support for NXP Semiconductors STB220 Development Board.
  318. config NXP_STB225
  319. bool "NXP 225 board"
  320. select SOC_PNX833X
  321. select SOC_PNX8335
  322. help
  323. Support for NXP Semiconductors STB225 Development Board.
  324. config PNX8550_JBS
  325. bool "NXP PNX8550 based JBS board"
  326. select PNX8550
  327. select SYS_SUPPORTS_LITTLE_ENDIAN
  328. config PNX8550_STB810
  329. bool "NXP PNX8550 based STB810 board"
  330. select PNX8550
  331. select SYS_SUPPORTS_LITTLE_ENDIAN
  332. config PMC_MSP
  333. bool "PMC-Sierra MSP chipsets"
  334. depends on EXPERIMENTAL
  335. select CEVT_R4K
  336. select CSRC_R4K
  337. select DMA_NONCOHERENT
  338. select SWAP_IO_SPACE
  339. select NO_EXCEPT_FILL
  340. select BOOT_RAW
  341. select SYS_HAS_CPU_MIPS32_R1
  342. select SYS_HAS_CPU_MIPS32_R2
  343. select SYS_SUPPORTS_32BIT_KERNEL
  344. select SYS_SUPPORTS_BIG_ENDIAN
  345. select IRQ_CPU
  346. select SERIAL_8250
  347. select SERIAL_8250_CONSOLE
  348. help
  349. This adds support for the PMC-Sierra family of Multi-Service
  350. Processor System-On-A-Chips. These parts include a number
  351. of integrated peripherals, interfaces and DSPs in addition to
  352. a variety of MIPS cores.
  353. config PMC_YOSEMITE
  354. bool "PMC-Sierra Yosemite eval board"
  355. select CEVT_R4K
  356. select CSRC_R4K
  357. select DMA_COHERENT
  358. select HW_HAS_PCI
  359. select IRQ_CPU
  360. select IRQ_CPU_RM7K
  361. select IRQ_CPU_RM9K
  362. select SWAP_IO_SPACE
  363. select SYS_HAS_CPU_RM9000
  364. select SYS_HAS_EARLY_PRINTK
  365. select SYS_SUPPORTS_32BIT_KERNEL
  366. select SYS_SUPPORTS_64BIT_KERNEL
  367. select SYS_SUPPORTS_BIG_ENDIAN
  368. select SYS_SUPPORTS_HIGHMEM
  369. select SYS_SUPPORTS_SMP
  370. help
  371. Yosemite is an evaluation board for the RM9000x2 processor
  372. manufactured by PMC-Sierra.
  373. config POWERTV
  374. bool "Cisco PowerTV"
  375. select BOOT_ELF32
  376. select CEVT_R4K
  377. select CPU_MIPSR2_IRQ_VI
  378. select CPU_MIPSR2_IRQ_EI
  379. select CSRC_POWERTV
  380. select DMA_NONCOHERENT
  381. select HW_HAS_PCI
  382. select SYS_HAS_EARLY_PRINTK
  383. select SYS_HAS_CPU_MIPS32_R2
  384. select SYS_SUPPORTS_32BIT_KERNEL
  385. select SYS_SUPPORTS_BIG_ENDIAN
  386. select SYS_SUPPORTS_HIGHMEM
  387. select USB_OHCI_LITTLE_ENDIAN
  388. help
  389. This enables support for the Cisco PowerTV Platform.
  390. config SGI_IP22
  391. bool "SGI IP22 (Indy/Indigo2)"
  392. select ARC
  393. select ARC32
  394. select BOOT_ELF32
  395. select CEVT_R4K
  396. select CSRC_R4K
  397. select DEFAULT_SGI_PARTITION
  398. select DMA_NONCOHERENT
  399. select HW_HAS_EISA
  400. select I8253
  401. select I8259
  402. select IP22_CPU_SCACHE
  403. select IRQ_CPU
  404. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  405. select SGI_HAS_I8042
  406. select SGI_HAS_INDYDOG
  407. select SGI_HAS_HAL2
  408. select SGI_HAS_SEEQ
  409. select SGI_HAS_WD93
  410. select SGI_HAS_ZILOG
  411. select SWAP_IO_SPACE
  412. select SYS_HAS_CPU_R4X00
  413. select SYS_HAS_CPU_R5000
  414. #
  415. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  416. # memory during early boot on some machines.
  417. #
  418. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  419. # for a more details discussion
  420. #
  421. # select SYS_HAS_EARLY_PRINTK
  422. select SYS_SUPPORTS_32BIT_KERNEL
  423. select SYS_SUPPORTS_64BIT_KERNEL
  424. select SYS_SUPPORTS_BIG_ENDIAN
  425. help
  426. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  427. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  428. that runs on these, say Y here.
  429. config SGI_IP27
  430. bool "SGI IP27 (Origin200/2000)"
  431. select ARC
  432. select ARC64
  433. select BOOT_ELF64
  434. select DEFAULT_SGI_PARTITION
  435. select DMA_COHERENT
  436. select SYS_HAS_EARLY_PRINTK
  437. select HW_HAS_PCI
  438. select NR_CPUS_DEFAULT_64
  439. select SYS_HAS_CPU_R10000
  440. select SYS_SUPPORTS_64BIT_KERNEL
  441. select SYS_SUPPORTS_BIG_ENDIAN
  442. select SYS_SUPPORTS_NUMA
  443. select SYS_SUPPORTS_SMP
  444. help
  445. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  446. workstations. To compile a Linux kernel that runs on these, say Y
  447. here.
  448. config SGI_IP28
  449. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  450. depends on EXPERIMENTAL
  451. select ARC
  452. select ARC64
  453. select BOOT_ELF64
  454. select CEVT_R4K
  455. select CSRC_R4K
  456. select DEFAULT_SGI_PARTITION
  457. select DMA_NONCOHERENT
  458. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  459. select IRQ_CPU
  460. select HW_HAS_EISA
  461. select I8253
  462. select I8259
  463. select SGI_HAS_I8042
  464. select SGI_HAS_INDYDOG
  465. select SGI_HAS_HAL2
  466. select SGI_HAS_SEEQ
  467. select SGI_HAS_WD93
  468. select SGI_HAS_ZILOG
  469. select SWAP_IO_SPACE
  470. select SYS_HAS_CPU_R10000
  471. #
  472. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  473. # memory during early boot on some machines.
  474. #
  475. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  476. # for a more details discussion
  477. #
  478. # select SYS_HAS_EARLY_PRINTK
  479. select SYS_SUPPORTS_64BIT_KERNEL
  480. select SYS_SUPPORTS_BIG_ENDIAN
  481. help
  482. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  483. kernel that runs on these, say Y here.
  484. config SGI_IP32
  485. bool "SGI IP32 (O2)"
  486. select ARC
  487. select ARC32
  488. select BOOT_ELF32
  489. select CEVT_R4K
  490. select CSRC_R4K
  491. select DMA_NONCOHERENT
  492. select HW_HAS_PCI
  493. select IRQ_CPU
  494. select R5000_CPU_SCACHE
  495. select RM7000_CPU_SCACHE
  496. select SYS_HAS_CPU_R5000
  497. select SYS_HAS_CPU_R10000 if BROKEN
  498. select SYS_HAS_CPU_RM7000
  499. select SYS_HAS_CPU_NEVADA
  500. select SYS_SUPPORTS_64BIT_KERNEL
  501. select SYS_SUPPORTS_BIG_ENDIAN
  502. help
  503. If you want this kernel to run on SGI O2 workstation, say Y here.
  504. config SIBYTE_CRHINE
  505. bool "Sibyte BCM91120C-CRhine"
  506. depends on EXPERIMENTAL
  507. select BOOT_ELF32
  508. select DMA_COHERENT
  509. select SIBYTE_BCM1120
  510. select SWAP_IO_SPACE
  511. select SYS_HAS_CPU_SB1
  512. select SYS_SUPPORTS_BIG_ENDIAN
  513. select SYS_SUPPORTS_LITTLE_ENDIAN
  514. config SIBYTE_CARMEL
  515. bool "Sibyte BCM91120x-Carmel"
  516. depends on EXPERIMENTAL
  517. select BOOT_ELF32
  518. select DMA_COHERENT
  519. select SIBYTE_BCM1120
  520. select SWAP_IO_SPACE
  521. select SYS_HAS_CPU_SB1
  522. select SYS_SUPPORTS_BIG_ENDIAN
  523. select SYS_SUPPORTS_LITTLE_ENDIAN
  524. config SIBYTE_CRHONE
  525. bool "Sibyte BCM91125C-CRhone"
  526. depends on EXPERIMENTAL
  527. select BOOT_ELF32
  528. select DMA_COHERENT
  529. select SIBYTE_BCM1125
  530. select SWAP_IO_SPACE
  531. select SYS_HAS_CPU_SB1
  532. select SYS_SUPPORTS_BIG_ENDIAN
  533. select SYS_SUPPORTS_HIGHMEM
  534. select SYS_SUPPORTS_LITTLE_ENDIAN
  535. config SIBYTE_RHONE
  536. bool "Sibyte BCM91125E-Rhone"
  537. depends on EXPERIMENTAL
  538. select BOOT_ELF32
  539. select DMA_COHERENT
  540. select SIBYTE_BCM1125H
  541. select SWAP_IO_SPACE
  542. select SYS_HAS_CPU_SB1
  543. select SYS_SUPPORTS_BIG_ENDIAN
  544. select SYS_SUPPORTS_LITTLE_ENDIAN
  545. config SIBYTE_SWARM
  546. bool "Sibyte BCM91250A-SWARM"
  547. select BOOT_ELF32
  548. select DMA_COHERENT
  549. select HAVE_PATA_PLATFORM
  550. select NR_CPUS_DEFAULT_2
  551. select SIBYTE_SB1250
  552. select SWAP_IO_SPACE
  553. select SYS_HAS_CPU_SB1
  554. select SYS_SUPPORTS_BIG_ENDIAN
  555. select SYS_SUPPORTS_HIGHMEM
  556. select SYS_SUPPORTS_LITTLE_ENDIAN
  557. select ZONE_DMA32 if 64BIT
  558. config SIBYTE_LITTLESUR
  559. bool "Sibyte BCM91250C2-LittleSur"
  560. depends on EXPERIMENTAL
  561. select BOOT_ELF32
  562. select DMA_COHERENT
  563. select HAVE_PATA_PLATFORM
  564. select NR_CPUS_DEFAULT_2
  565. select SIBYTE_SB1250
  566. select SWAP_IO_SPACE
  567. select SYS_HAS_CPU_SB1
  568. select SYS_SUPPORTS_BIG_ENDIAN
  569. select SYS_SUPPORTS_HIGHMEM
  570. select SYS_SUPPORTS_LITTLE_ENDIAN
  571. config SIBYTE_SENTOSA
  572. bool "Sibyte BCM91250E-Sentosa"
  573. depends on EXPERIMENTAL
  574. select BOOT_ELF32
  575. select DMA_COHERENT
  576. select NR_CPUS_DEFAULT_2
  577. select SIBYTE_SB1250
  578. select SWAP_IO_SPACE
  579. select SYS_HAS_CPU_SB1
  580. select SYS_SUPPORTS_BIG_ENDIAN
  581. select SYS_SUPPORTS_LITTLE_ENDIAN
  582. config SIBYTE_BIGSUR
  583. bool "Sibyte BCM91480B-BigSur"
  584. select BOOT_ELF32
  585. select DMA_COHERENT
  586. select NR_CPUS_DEFAULT_4
  587. select SIBYTE_BCM1x80
  588. select SWAP_IO_SPACE
  589. select SYS_HAS_CPU_SB1
  590. select SYS_SUPPORTS_BIG_ENDIAN
  591. select SYS_SUPPORTS_HIGHMEM
  592. select SYS_SUPPORTS_LITTLE_ENDIAN
  593. select ZONE_DMA32 if 64BIT
  594. config SNI_RM
  595. bool "SNI RM200/300/400"
  596. select ARC if CPU_LITTLE_ENDIAN
  597. select ARC32 if CPU_LITTLE_ENDIAN
  598. select SNIPROM if CPU_BIG_ENDIAN
  599. select ARCH_MAY_HAVE_PC_FDC
  600. select BOOT_ELF32
  601. select CEVT_R4K
  602. select CSRC_R4K
  603. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  604. select DMA_NONCOHERENT
  605. select GENERIC_ISA_DMA
  606. select HAVE_PCSPKR_PLATFORM
  607. select HW_HAS_EISA
  608. select HW_HAS_PCI
  609. select IRQ_CPU
  610. select I8253
  611. select I8259
  612. select ISA
  613. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  614. select SYS_HAS_CPU_R4X00
  615. select SYS_HAS_CPU_R5000
  616. select SYS_HAS_CPU_R10000
  617. select R5000_CPU_SCACHE
  618. select SYS_HAS_EARLY_PRINTK
  619. select SYS_SUPPORTS_32BIT_KERNEL
  620. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  621. select SYS_SUPPORTS_BIG_ENDIAN
  622. select SYS_SUPPORTS_HIGHMEM
  623. select SYS_SUPPORTS_LITTLE_ENDIAN
  624. help
  625. The SNI RM200/300/400 are MIPS-based machines manufactured by
  626. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  627. Technology and now in turn merged with Fujitsu. Say Y here to
  628. support this machine type.
  629. config MACH_TX39XX
  630. bool "Toshiba TX39 series based machines"
  631. config MACH_TX49XX
  632. bool "Toshiba TX49 series based machines"
  633. config MIKROTIK_RB532
  634. bool "Mikrotik RB532 boards"
  635. select CEVT_R4K
  636. select CSRC_R4K
  637. select DMA_NONCOHERENT
  638. select HW_HAS_PCI
  639. select IRQ_CPU
  640. select SYS_HAS_CPU_MIPS32_R1
  641. select SYS_SUPPORTS_32BIT_KERNEL
  642. select SYS_SUPPORTS_LITTLE_ENDIAN
  643. select SWAP_IO_SPACE
  644. select BOOT_RAW
  645. select ARCH_REQUIRE_GPIOLIB
  646. help
  647. Support the Mikrotik(tm) RouterBoard 532 series,
  648. based on the IDT RC32434 SoC.
  649. config WR_PPMC
  650. bool "Wind River PPMC board"
  651. select CEVT_R4K
  652. select CSRC_R4K
  653. select IRQ_CPU
  654. select BOOT_ELF32
  655. select DMA_NONCOHERENT
  656. select HW_HAS_PCI
  657. select PCI_GT64XXX_PCI0
  658. select SWAP_IO_SPACE
  659. select SYS_HAS_CPU_MIPS32_R1
  660. select SYS_HAS_CPU_MIPS32_R2
  661. select SYS_HAS_CPU_MIPS64_R1
  662. select SYS_HAS_CPU_NEVADA
  663. select SYS_HAS_CPU_RM7000
  664. select SYS_SUPPORTS_32BIT_KERNEL
  665. select SYS_SUPPORTS_64BIT_KERNEL
  666. select SYS_SUPPORTS_BIG_ENDIAN
  667. select SYS_SUPPORTS_LITTLE_ENDIAN
  668. help
  669. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  670. board, which is based on GT64120 bridge chip.
  671. config CAVIUM_OCTEON_SIMULATOR
  672. bool "Cavium Networks Octeon Simulator"
  673. select CEVT_R4K
  674. select 64BIT_PHYS_ADDR
  675. select DMA_COHERENT
  676. select SYS_SUPPORTS_64BIT_KERNEL
  677. select SYS_SUPPORTS_BIG_ENDIAN
  678. select SYS_SUPPORTS_HOTPLUG_CPU
  679. select SYS_HAS_CPU_CAVIUM_OCTEON
  680. select HOLES_IN_ZONE
  681. help
  682. The Octeon simulator is software performance model of the Cavium
  683. Octeon Processor. It supports simulating Octeon processors on x86
  684. hardware.
  685. config CAVIUM_OCTEON_REFERENCE_BOARD
  686. bool "Cavium Networks Octeon reference board"
  687. select CEVT_R4K
  688. select 64BIT_PHYS_ADDR
  689. select DMA_COHERENT
  690. select SYS_SUPPORTS_64BIT_KERNEL
  691. select SYS_SUPPORTS_BIG_ENDIAN
  692. select SYS_SUPPORTS_HOTPLUG_CPU
  693. select SYS_HAS_EARLY_PRINTK
  694. select SYS_HAS_CPU_CAVIUM_OCTEON
  695. select SWAP_IO_SPACE
  696. select HW_HAS_PCI
  697. select ARCH_SUPPORTS_MSI
  698. select ZONE_DMA32
  699. select USB_ARCH_HAS_OHCI
  700. select USB_ARCH_HAS_EHCI
  701. select HOLES_IN_ZONE
  702. help
  703. This option supports all of the Octeon reference boards from Cavium
  704. Networks. It builds a kernel that dynamically determines the Octeon
  705. CPU type and supports all known board reference implementations.
  706. Some of the supported boards are:
  707. EBT3000
  708. EBH3000
  709. EBH3100
  710. Thunder
  711. Kodama
  712. Hikari
  713. Say Y here for most Octeon reference boards.
  714. config NLM_XLR_BOARD
  715. bool "Netlogic XLR/XLS based systems"
  716. depends on EXPERIMENTAL
  717. select BOOT_ELF32
  718. select NLM_COMMON
  719. select SYS_HAS_CPU_XLR
  720. select SYS_SUPPORTS_SMP
  721. select HW_HAS_PCI
  722. select SWAP_IO_SPACE
  723. select SYS_SUPPORTS_32BIT_KERNEL
  724. select SYS_SUPPORTS_64BIT_KERNEL
  725. select 64BIT_PHYS_ADDR
  726. select SYS_SUPPORTS_BIG_ENDIAN
  727. select SYS_SUPPORTS_HIGHMEM
  728. select DMA_COHERENT
  729. select NR_CPUS_DEFAULT_32
  730. select CEVT_R4K
  731. select CSRC_R4K
  732. select IRQ_CPU
  733. select ARCH_SUPPORTS_MSI
  734. select ZONE_DMA if 64BIT
  735. select SYNC_R4K
  736. select SYS_HAS_EARLY_PRINTK
  737. help
  738. Support for systems based on Netlogic XLR and XLS processors.
  739. Say Y here if you have a XLR or XLS based board.
  740. config NLM_XLP_BOARD
  741. bool "Netlogic XLP based systems"
  742. depends on EXPERIMENTAL
  743. select BOOT_ELF32
  744. select NLM_COMMON
  745. select SYS_HAS_CPU_XLP
  746. select SYS_SUPPORTS_SMP
  747. select HW_HAS_PCI
  748. select SWAP_IO_SPACE
  749. select SYS_SUPPORTS_32BIT_KERNEL
  750. select SYS_SUPPORTS_64BIT_KERNEL
  751. select 64BIT_PHYS_ADDR
  752. select SYS_SUPPORTS_BIG_ENDIAN
  753. select SYS_SUPPORTS_LITTLE_ENDIAN
  754. select SYS_SUPPORTS_HIGHMEM
  755. select DMA_COHERENT
  756. select NR_CPUS_DEFAULT_32
  757. select CEVT_R4K
  758. select CSRC_R4K
  759. select IRQ_CPU
  760. select ZONE_DMA if 64BIT
  761. select SYNC_R4K
  762. select SYS_HAS_EARLY_PRINTK
  763. help
  764. This board is based on Netlogic XLP Processor.
  765. Say Y here if you have a XLP based board.
  766. endchoice
  767. source "arch/mips/alchemy/Kconfig"
  768. source "arch/mips/ath79/Kconfig"
  769. source "arch/mips/bcm47xx/Kconfig"
  770. source "arch/mips/bcm63xx/Kconfig"
  771. source "arch/mips/jazz/Kconfig"
  772. source "arch/mips/jz4740/Kconfig"
  773. source "arch/mips/lantiq/Kconfig"
  774. source "arch/mips/lasat/Kconfig"
  775. source "arch/mips/pmc-sierra/Kconfig"
  776. source "arch/mips/powertv/Kconfig"
  777. source "arch/mips/sgi-ip27/Kconfig"
  778. source "arch/mips/sibyte/Kconfig"
  779. source "arch/mips/txx9/Kconfig"
  780. source "arch/mips/vr41xx/Kconfig"
  781. source "arch/mips/cavium-octeon/Kconfig"
  782. source "arch/mips/loongson/Kconfig"
  783. source "arch/mips/netlogic/Kconfig"
  784. endmenu
  785. config RWSEM_GENERIC_SPINLOCK
  786. bool
  787. default y
  788. config RWSEM_XCHGADD_ALGORITHM
  789. bool
  790. config ARCH_HAS_ILOG2_U32
  791. bool
  792. default n
  793. config ARCH_HAS_ILOG2_U64
  794. bool
  795. default n
  796. config GENERIC_HWEIGHT
  797. bool
  798. default y
  799. config GENERIC_CALIBRATE_DELAY
  800. bool
  801. default y
  802. config SCHED_OMIT_FRAME_POINTER
  803. bool
  804. default y
  805. #
  806. # Select some configuration options automatically based on user selections.
  807. #
  808. config ARC
  809. bool
  810. config ARCH_MAY_HAVE_PC_FDC
  811. bool
  812. config BOOT_RAW
  813. bool
  814. config CEVT_BCM1480
  815. bool
  816. config CEVT_DS1287
  817. bool
  818. config CEVT_GT641XX
  819. bool
  820. config CEVT_R4K_LIB
  821. bool
  822. config CEVT_R4K
  823. select CEVT_R4K_LIB
  824. bool
  825. config CEVT_SB1250
  826. bool
  827. config CEVT_TXX9
  828. bool
  829. config CSRC_BCM1480
  830. bool
  831. config CSRC_IOASIC
  832. bool
  833. config CSRC_POWERTV
  834. bool
  835. config CSRC_R4K_LIB
  836. bool
  837. config CSRC_R4K
  838. select CSRC_R4K_LIB
  839. bool
  840. config CSRC_SB1250
  841. bool
  842. config GPIO_TXX9
  843. select GENERIC_GPIO
  844. select ARCH_REQUIRE_GPIOLIB
  845. bool
  846. config CFE
  847. bool
  848. config ARCH_DMA_ADDR_T_64BIT
  849. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  850. config DMA_COHERENT
  851. bool
  852. config DMA_NONCOHERENT
  853. bool
  854. select NEED_DMA_MAP_STATE
  855. config NEED_DMA_MAP_STATE
  856. bool
  857. config SYS_HAS_EARLY_PRINTK
  858. bool
  859. config HOTPLUG_CPU
  860. bool "Support for hot-pluggable CPUs"
  861. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  862. help
  863. Say Y here to allow turning CPUs off and on. CPUs can be
  864. controlled through /sys/devices/system/cpu.
  865. (Note: power management support will enable this option
  866. automatically on SMP systems. )
  867. Say N if you want to disable CPU hotplug.
  868. config SYS_SUPPORTS_HOTPLUG_CPU
  869. bool
  870. config I8259
  871. bool
  872. config MIPS_BONITO64
  873. bool
  874. config MIPS_MSC
  875. bool
  876. config MIPS_NILE4
  877. bool
  878. config MIPS_DISABLE_OBSOLETE_IDE
  879. bool
  880. config SYNC_R4K
  881. bool
  882. config MIPS_MACHINE
  883. def_bool n
  884. config NO_IOPORT
  885. def_bool n
  886. config GENERIC_ISA_DMA
  887. bool
  888. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  889. select ISA_DMA_API
  890. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  891. bool
  892. select GENERIC_ISA_DMA
  893. config ISA_DMA_API
  894. bool
  895. config GENERIC_GPIO
  896. bool
  897. config HOLES_IN_ZONE
  898. bool
  899. #
  900. # Endianness selection. Sufficiently obscure so many users don't know what to
  901. # answer,so we try hard to limit the available choices. Also the use of a
  902. # choice statement should be more obvious to the user.
  903. #
  904. choice
  905. prompt "Endianness selection"
  906. help
  907. Some MIPS machines can be configured for either little or big endian
  908. byte order. These modes require different kernels and a different
  909. Linux distribution. In general there is one preferred byteorder for a
  910. particular system but some systems are just as commonly used in the
  911. one or the other endianness.
  912. config CPU_BIG_ENDIAN
  913. bool "Big endian"
  914. depends on SYS_SUPPORTS_BIG_ENDIAN
  915. config CPU_LITTLE_ENDIAN
  916. bool "Little endian"
  917. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  918. help
  919. endchoice
  920. config EXPORT_UASM
  921. bool
  922. config SYS_SUPPORTS_APM_EMULATION
  923. bool
  924. config SYS_SUPPORTS_BIG_ENDIAN
  925. bool
  926. config SYS_SUPPORTS_LITTLE_ENDIAN
  927. bool
  928. config SYS_SUPPORTS_HUGETLBFS
  929. bool
  930. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  931. default y
  932. config IRQ_CPU
  933. bool
  934. config IRQ_CPU_RM7K
  935. bool
  936. config IRQ_CPU_RM9K
  937. bool
  938. config IRQ_MSP_SLP
  939. bool
  940. config IRQ_MSP_CIC
  941. bool
  942. config IRQ_TXX9
  943. bool
  944. config IRQ_GT641XX
  945. bool
  946. config IRQ_GIC
  947. bool
  948. config MIPS_BOARDS_GEN
  949. bool
  950. config PCI_GT64XXX_PCI0
  951. bool
  952. config NO_EXCEPT_FILL
  953. bool
  954. config MIPS_RM9122
  955. bool
  956. select SERIAL_RM9000
  957. config SOC_EMMA2RH
  958. bool
  959. select CEVT_R4K
  960. select CSRC_R4K
  961. select DMA_NONCOHERENT
  962. select IRQ_CPU
  963. select SWAP_IO_SPACE
  964. select SYS_HAS_CPU_R5500
  965. select SYS_SUPPORTS_32BIT_KERNEL
  966. select SYS_SUPPORTS_64BIT_KERNEL
  967. select SYS_SUPPORTS_BIG_ENDIAN
  968. config SOC_PNX833X
  969. bool
  970. select CEVT_R4K
  971. select CSRC_R4K
  972. select IRQ_CPU
  973. select DMA_NONCOHERENT
  974. select SYS_HAS_CPU_MIPS32_R2
  975. select SYS_SUPPORTS_32BIT_KERNEL
  976. select SYS_SUPPORTS_LITTLE_ENDIAN
  977. select SYS_SUPPORTS_BIG_ENDIAN
  978. select GENERIC_GPIO
  979. select CPU_MIPSR2_IRQ_VI
  980. config SOC_PNX8335
  981. bool
  982. select SOC_PNX833X
  983. config PNX8550
  984. bool
  985. select SOC_PNX8550
  986. config SOC_PNX8550
  987. bool
  988. select DMA_NONCOHERENT
  989. select HW_HAS_PCI
  990. select SYS_HAS_CPU_MIPS32_R1
  991. select SYS_HAS_EARLY_PRINTK
  992. select SYS_SUPPORTS_32BIT_KERNEL
  993. select GENERIC_GPIO
  994. config SWAP_IO_SPACE
  995. bool
  996. config SERIAL_RM9000
  997. bool
  998. config SGI_HAS_INDYDOG
  999. bool
  1000. config SGI_HAS_HAL2
  1001. bool
  1002. config SGI_HAS_SEEQ
  1003. bool
  1004. config SGI_HAS_WD93
  1005. bool
  1006. config SGI_HAS_ZILOG
  1007. bool
  1008. config SGI_HAS_I8042
  1009. bool
  1010. config DEFAULT_SGI_PARTITION
  1011. bool
  1012. config ARC32
  1013. bool
  1014. config SNIPROM
  1015. bool
  1016. config BOOT_ELF32
  1017. bool
  1018. config MIPS_L1_CACHE_SHIFT
  1019. int
  1020. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1021. default "6" if MIPS_CPU_SCACHE
  1022. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1023. default "5"
  1024. config HAVE_STD_PC_SERIAL_PORT
  1025. bool
  1026. config ARC_CONSOLE
  1027. bool "ARC console support"
  1028. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1029. config ARC_MEMORY
  1030. bool
  1031. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1032. default y
  1033. config ARC_PROMLIB
  1034. bool
  1035. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1036. default y
  1037. config ARC64
  1038. bool
  1039. config BOOT_ELF64
  1040. bool
  1041. menu "CPU selection"
  1042. choice
  1043. prompt "CPU type"
  1044. default CPU_R4X00
  1045. config CPU_LOONGSON2E
  1046. bool "Loongson 2E"
  1047. depends on SYS_HAS_CPU_LOONGSON2E
  1048. select CPU_LOONGSON2
  1049. help
  1050. The Loongson 2E processor implements the MIPS III instruction set
  1051. with many extensions.
  1052. It has an internal FPGA northbridge, which is compatible to
  1053. bonito64.
  1054. config CPU_LOONGSON2F
  1055. bool "Loongson 2F"
  1056. depends on SYS_HAS_CPU_LOONGSON2F
  1057. select CPU_LOONGSON2
  1058. select GENERIC_GPIO
  1059. select ARCH_REQUIRE_GPIOLIB
  1060. help
  1061. The Loongson 2F processor implements the MIPS III instruction set
  1062. with many extensions.
  1063. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1064. have a similar programming interface with FPGA northbridge used in
  1065. Loongson2E.
  1066. config CPU_MIPS32_R1
  1067. bool "MIPS32 Release 1"
  1068. depends on SYS_HAS_CPU_MIPS32_R1
  1069. select CPU_HAS_PREFETCH
  1070. select CPU_SUPPORTS_32BIT_KERNEL
  1071. select CPU_SUPPORTS_HIGHMEM
  1072. help
  1073. Choose this option to build a kernel for release 1 or later of the
  1074. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1075. MIPS processor are based on a MIPS32 processor. If you know the
  1076. specific type of processor in your system, choose those that one
  1077. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1078. Release 2 of the MIPS32 architecture is available since several
  1079. years so chances are you even have a MIPS32 Release 2 processor
  1080. in which case you should choose CPU_MIPS32_R2 instead for better
  1081. performance.
  1082. config CPU_MIPS32_R2
  1083. bool "MIPS32 Release 2"
  1084. depends on SYS_HAS_CPU_MIPS32_R2
  1085. select CPU_HAS_PREFETCH
  1086. select CPU_SUPPORTS_32BIT_KERNEL
  1087. select CPU_SUPPORTS_HIGHMEM
  1088. help
  1089. Choose this option to build a kernel for release 2 or later of the
  1090. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1091. MIPS processor are based on a MIPS32 processor. If you know the
  1092. specific type of processor in your system, choose those that one
  1093. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1094. config CPU_MIPS64_R1
  1095. bool "MIPS64 Release 1"
  1096. depends on SYS_HAS_CPU_MIPS64_R1
  1097. select CPU_HAS_PREFETCH
  1098. select CPU_SUPPORTS_32BIT_KERNEL
  1099. select CPU_SUPPORTS_64BIT_KERNEL
  1100. select CPU_SUPPORTS_HIGHMEM
  1101. select CPU_SUPPORTS_HUGEPAGES
  1102. help
  1103. Choose this option to build a kernel for release 1 or later of the
  1104. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1105. MIPS processor are based on a MIPS64 processor. If you know the
  1106. specific type of processor in your system, choose those that one
  1107. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1108. Release 2 of the MIPS64 architecture is available since several
  1109. years so chances are you even have a MIPS64 Release 2 processor
  1110. in which case you should choose CPU_MIPS64_R2 instead for better
  1111. performance.
  1112. config CPU_MIPS64_R2
  1113. bool "MIPS64 Release 2"
  1114. depends on SYS_HAS_CPU_MIPS64_R2
  1115. select CPU_HAS_PREFETCH
  1116. select CPU_SUPPORTS_32BIT_KERNEL
  1117. select CPU_SUPPORTS_64BIT_KERNEL
  1118. select CPU_SUPPORTS_HIGHMEM
  1119. select CPU_SUPPORTS_HUGEPAGES
  1120. help
  1121. Choose this option to build a kernel for release 2 or later of the
  1122. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1123. MIPS processor are based on a MIPS64 processor. If you know the
  1124. specific type of processor in your system, choose those that one
  1125. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1126. config CPU_R3000
  1127. bool "R3000"
  1128. depends on SYS_HAS_CPU_R3000
  1129. select CPU_HAS_WB
  1130. select CPU_SUPPORTS_32BIT_KERNEL
  1131. select CPU_SUPPORTS_HIGHMEM
  1132. help
  1133. Please make sure to pick the right CPU type. Linux/MIPS is not
  1134. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1135. *not* work on R4000 machines and vice versa. However, since most
  1136. of the supported machines have an R4000 (or similar) CPU, R4x00
  1137. might be a safe bet. If the resulting kernel does not work,
  1138. try to recompile with R3000.
  1139. config CPU_TX39XX
  1140. bool "R39XX"
  1141. depends on SYS_HAS_CPU_TX39XX
  1142. select CPU_SUPPORTS_32BIT_KERNEL
  1143. config CPU_VR41XX
  1144. bool "R41xx"
  1145. depends on SYS_HAS_CPU_VR41XX
  1146. select CPU_SUPPORTS_32BIT_KERNEL
  1147. select CPU_SUPPORTS_64BIT_KERNEL
  1148. help
  1149. The options selects support for the NEC VR4100 series of processors.
  1150. Only choose this option if you have one of these processors as a
  1151. kernel built with this option will not run on any other type of
  1152. processor or vice versa.
  1153. config CPU_R4300
  1154. bool "R4300"
  1155. depends on SYS_HAS_CPU_R4300
  1156. select CPU_SUPPORTS_32BIT_KERNEL
  1157. select CPU_SUPPORTS_64BIT_KERNEL
  1158. help
  1159. MIPS Technologies R4300-series processors.
  1160. config CPU_R4X00
  1161. bool "R4x00"
  1162. depends on SYS_HAS_CPU_R4X00
  1163. select CPU_SUPPORTS_32BIT_KERNEL
  1164. select CPU_SUPPORTS_64BIT_KERNEL
  1165. help
  1166. MIPS Technologies R4000-series processors other than 4300, including
  1167. the R4000, R4400, R4600, and 4700.
  1168. config CPU_TX49XX
  1169. bool "R49XX"
  1170. depends on SYS_HAS_CPU_TX49XX
  1171. select CPU_HAS_PREFETCH
  1172. select CPU_SUPPORTS_32BIT_KERNEL
  1173. select CPU_SUPPORTS_64BIT_KERNEL
  1174. config CPU_R5000
  1175. bool "R5000"
  1176. depends on SYS_HAS_CPU_R5000
  1177. select CPU_SUPPORTS_32BIT_KERNEL
  1178. select CPU_SUPPORTS_64BIT_KERNEL
  1179. help
  1180. MIPS Technologies R5000-series processors other than the Nevada.
  1181. config CPU_R5432
  1182. bool "R5432"
  1183. depends on SYS_HAS_CPU_R5432
  1184. select CPU_SUPPORTS_32BIT_KERNEL
  1185. select CPU_SUPPORTS_64BIT_KERNEL
  1186. config CPU_R5500
  1187. bool "R5500"
  1188. depends on SYS_HAS_CPU_R5500
  1189. select CPU_SUPPORTS_32BIT_KERNEL
  1190. select CPU_SUPPORTS_64BIT_KERNEL
  1191. select CPU_SUPPORTS_HUGEPAGES
  1192. help
  1193. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1194. instruction set.
  1195. config CPU_R6000
  1196. bool "R6000"
  1197. depends on EXPERIMENTAL
  1198. depends on SYS_HAS_CPU_R6000
  1199. select CPU_SUPPORTS_32BIT_KERNEL
  1200. help
  1201. MIPS Technologies R6000 and R6000A series processors. Note these
  1202. processors are extremely rare and the support for them is incomplete.
  1203. config CPU_NEVADA
  1204. bool "RM52xx"
  1205. depends on SYS_HAS_CPU_NEVADA
  1206. select CPU_SUPPORTS_32BIT_KERNEL
  1207. select CPU_SUPPORTS_64BIT_KERNEL
  1208. help
  1209. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1210. config CPU_R8000
  1211. bool "R8000"
  1212. depends on EXPERIMENTAL
  1213. depends on SYS_HAS_CPU_R8000
  1214. select CPU_HAS_PREFETCH
  1215. select CPU_SUPPORTS_64BIT_KERNEL
  1216. help
  1217. MIPS Technologies R8000 processors. Note these processors are
  1218. uncommon and the support for them is incomplete.
  1219. config CPU_R10000
  1220. bool "R10000"
  1221. depends on SYS_HAS_CPU_R10000
  1222. select CPU_HAS_PREFETCH
  1223. select CPU_SUPPORTS_32BIT_KERNEL
  1224. select CPU_SUPPORTS_64BIT_KERNEL
  1225. select CPU_SUPPORTS_HIGHMEM
  1226. help
  1227. MIPS Technologies R10000-series processors.
  1228. config CPU_RM7000
  1229. bool "RM7000"
  1230. depends on SYS_HAS_CPU_RM7000
  1231. select CPU_HAS_PREFETCH
  1232. select CPU_SUPPORTS_32BIT_KERNEL
  1233. select CPU_SUPPORTS_64BIT_KERNEL
  1234. select CPU_SUPPORTS_HIGHMEM
  1235. config CPU_RM9000
  1236. bool "RM9000"
  1237. depends on SYS_HAS_CPU_RM9000
  1238. select CPU_HAS_PREFETCH
  1239. select CPU_SUPPORTS_32BIT_KERNEL
  1240. select CPU_SUPPORTS_64BIT_KERNEL
  1241. select CPU_SUPPORTS_HIGHMEM
  1242. select WEAK_ORDERING
  1243. config CPU_SB1
  1244. bool "SB1"
  1245. depends on SYS_HAS_CPU_SB1
  1246. select CPU_SUPPORTS_32BIT_KERNEL
  1247. select CPU_SUPPORTS_64BIT_KERNEL
  1248. select CPU_SUPPORTS_HIGHMEM
  1249. select WEAK_ORDERING
  1250. config CPU_CAVIUM_OCTEON
  1251. bool "Cavium Octeon processor"
  1252. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1253. select CPU_HAS_PREFETCH
  1254. select CPU_SUPPORTS_64BIT_KERNEL
  1255. select SYS_SUPPORTS_SMP
  1256. select NR_CPUS_DEFAULT_16
  1257. select WEAK_ORDERING
  1258. select CPU_SUPPORTS_HIGHMEM
  1259. select CPU_SUPPORTS_HUGEPAGES
  1260. help
  1261. The Cavium Octeon processor is a highly integrated chip containing
  1262. many ethernet hardware widgets for networking tasks. The processor
  1263. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1264. Full details can be found at http://www.caviumnetworks.com.
  1265. config CPU_BMIPS3300
  1266. bool "BMIPS3300"
  1267. depends on SYS_HAS_CPU_BMIPS3300
  1268. select CPU_BMIPS
  1269. help
  1270. Broadcom BMIPS3300 processors.
  1271. config CPU_BMIPS4350
  1272. bool "BMIPS4350"
  1273. depends on SYS_HAS_CPU_BMIPS4350
  1274. select CPU_BMIPS
  1275. select SYS_SUPPORTS_SMP
  1276. select SYS_SUPPORTS_HOTPLUG_CPU
  1277. help
  1278. Broadcom BMIPS4350 ("VIPER") processors.
  1279. config CPU_BMIPS4380
  1280. bool "BMIPS4380"
  1281. depends on SYS_HAS_CPU_BMIPS4380
  1282. select CPU_BMIPS
  1283. select SYS_SUPPORTS_SMP
  1284. select SYS_SUPPORTS_HOTPLUG_CPU
  1285. help
  1286. Broadcom BMIPS4380 processors.
  1287. config CPU_BMIPS5000
  1288. bool "BMIPS5000"
  1289. depends on SYS_HAS_CPU_BMIPS5000
  1290. select CPU_BMIPS
  1291. select CPU_SUPPORTS_HIGHMEM
  1292. select MIPS_CPU_SCACHE
  1293. select SYS_SUPPORTS_SMP
  1294. select SYS_SUPPORTS_HOTPLUG_CPU
  1295. help
  1296. Broadcom BMIPS5000 processors.
  1297. config CPU_XLR
  1298. bool "Netlogic XLR SoC"
  1299. depends on SYS_HAS_CPU_XLR
  1300. select CPU_SUPPORTS_32BIT_KERNEL
  1301. select CPU_SUPPORTS_64BIT_KERNEL
  1302. select CPU_SUPPORTS_HIGHMEM
  1303. select WEAK_ORDERING
  1304. select WEAK_REORDERING_BEYOND_LLSC
  1305. select CPU_SUPPORTS_HUGEPAGES
  1306. help
  1307. Netlogic Microsystems XLR/XLS processors.
  1308. config CPU_XLP
  1309. bool "Netlogic XLP SoC"
  1310. depends on SYS_HAS_CPU_XLP
  1311. select CPU_SUPPORTS_32BIT_KERNEL
  1312. select CPU_SUPPORTS_64BIT_KERNEL
  1313. select CPU_SUPPORTS_HIGHMEM
  1314. select CPU_HAS_LLSC
  1315. select WEAK_ORDERING
  1316. select WEAK_REORDERING_BEYOND_LLSC
  1317. select CPU_HAS_PREFETCH
  1318. help
  1319. Netlogic Microsystems XLP processors.
  1320. endchoice
  1321. if CPU_LOONGSON2F
  1322. config CPU_NOP_WORKAROUNDS
  1323. bool
  1324. config CPU_JUMP_WORKAROUNDS
  1325. bool
  1326. config CPU_LOONGSON2F_WORKAROUNDS
  1327. bool "Loongson 2F Workarounds"
  1328. default y
  1329. select CPU_NOP_WORKAROUNDS
  1330. select CPU_JUMP_WORKAROUNDS
  1331. help
  1332. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1333. require workarounds. Without workarounds the system may hang
  1334. unexpectedly. For more information please refer to the gas
  1335. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1336. Loongson 2F03 and later have fixed these issues and no workarounds
  1337. are needed. The workarounds have no significant side effect on them
  1338. but may decrease the performance of the system so this option should
  1339. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1340. systems.
  1341. If unsure, please say Y.
  1342. endif # CPU_LOONGSON2F
  1343. config SYS_SUPPORTS_ZBOOT
  1344. bool
  1345. select HAVE_KERNEL_GZIP
  1346. select HAVE_KERNEL_BZIP2
  1347. select HAVE_KERNEL_LZMA
  1348. select HAVE_KERNEL_LZO
  1349. config SYS_SUPPORTS_ZBOOT_UART16550
  1350. bool
  1351. select SYS_SUPPORTS_ZBOOT
  1352. config CPU_LOONGSON2
  1353. bool
  1354. select CPU_SUPPORTS_32BIT_KERNEL
  1355. select CPU_SUPPORTS_64BIT_KERNEL
  1356. select CPU_SUPPORTS_HIGHMEM
  1357. config CPU_BMIPS
  1358. bool
  1359. select CPU_MIPS32
  1360. select CPU_SUPPORTS_32BIT_KERNEL
  1361. select DMA_NONCOHERENT
  1362. select IRQ_CPU
  1363. select SWAP_IO_SPACE
  1364. select WEAK_ORDERING
  1365. config SYS_HAS_CPU_LOONGSON2E
  1366. bool
  1367. config SYS_HAS_CPU_LOONGSON2F
  1368. bool
  1369. select CPU_SUPPORTS_CPUFREQ
  1370. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1371. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1372. config SYS_HAS_CPU_MIPS32_R1
  1373. bool
  1374. config SYS_HAS_CPU_MIPS32_R2
  1375. bool
  1376. config SYS_HAS_CPU_MIPS64_R1
  1377. bool
  1378. config SYS_HAS_CPU_MIPS64_R2
  1379. bool
  1380. config SYS_HAS_CPU_R3000
  1381. bool
  1382. config SYS_HAS_CPU_TX39XX
  1383. bool
  1384. config SYS_HAS_CPU_VR41XX
  1385. bool
  1386. config SYS_HAS_CPU_R4300
  1387. bool
  1388. config SYS_HAS_CPU_R4X00
  1389. bool
  1390. config SYS_HAS_CPU_TX49XX
  1391. bool
  1392. config SYS_HAS_CPU_R5000
  1393. bool
  1394. config SYS_HAS_CPU_R5432
  1395. bool
  1396. config SYS_HAS_CPU_R5500
  1397. bool
  1398. config SYS_HAS_CPU_R6000
  1399. bool
  1400. config SYS_HAS_CPU_NEVADA
  1401. bool
  1402. config SYS_HAS_CPU_R8000
  1403. bool
  1404. config SYS_HAS_CPU_R10000
  1405. bool
  1406. config SYS_HAS_CPU_RM7000
  1407. bool
  1408. config SYS_HAS_CPU_RM9000
  1409. bool
  1410. config SYS_HAS_CPU_SB1
  1411. bool
  1412. config SYS_HAS_CPU_CAVIUM_OCTEON
  1413. bool
  1414. config SYS_HAS_CPU_BMIPS3300
  1415. bool
  1416. config SYS_HAS_CPU_BMIPS4350
  1417. bool
  1418. config SYS_HAS_CPU_BMIPS4380
  1419. bool
  1420. config SYS_HAS_CPU_BMIPS5000
  1421. bool
  1422. config SYS_HAS_CPU_XLR
  1423. bool
  1424. config SYS_HAS_CPU_XLP
  1425. bool
  1426. #
  1427. # CPU may reorder R->R, R->W, W->R, W->W
  1428. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1429. #
  1430. config WEAK_ORDERING
  1431. bool
  1432. #
  1433. # CPU may reorder reads and writes beyond LL/SC
  1434. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1435. #
  1436. config WEAK_REORDERING_BEYOND_LLSC
  1437. bool
  1438. endmenu
  1439. #
  1440. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1441. #
  1442. config CPU_MIPS32
  1443. bool
  1444. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1445. config CPU_MIPS64
  1446. bool
  1447. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1448. #
  1449. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1450. #
  1451. config CPU_MIPSR1
  1452. bool
  1453. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1454. config CPU_MIPSR2
  1455. bool
  1456. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1457. config SYS_SUPPORTS_32BIT_KERNEL
  1458. bool
  1459. config SYS_SUPPORTS_64BIT_KERNEL
  1460. bool
  1461. config CPU_SUPPORTS_32BIT_KERNEL
  1462. bool
  1463. config CPU_SUPPORTS_64BIT_KERNEL
  1464. bool
  1465. config CPU_SUPPORTS_CPUFREQ
  1466. bool
  1467. config CPU_SUPPORTS_ADDRWINCFG
  1468. bool
  1469. config CPU_SUPPORTS_HUGEPAGES
  1470. bool
  1471. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1472. bool
  1473. config MIPS_PGD_C0_CONTEXT
  1474. bool
  1475. default y if 64BIT && CPU_MIPSR2
  1476. #
  1477. # Set to y for ptrace access to watch registers.
  1478. #
  1479. config HARDWARE_WATCHPOINTS
  1480. bool
  1481. default y if CPU_MIPSR1 || CPU_MIPSR2
  1482. menu "Kernel type"
  1483. choice
  1484. prompt "Kernel code model"
  1485. help
  1486. You should only select this option if you have a workload that
  1487. actually benefits from 64-bit processing or if your machine has
  1488. large memory. You will only be presented a single option in this
  1489. menu if your system does not support both 32-bit and 64-bit kernels.
  1490. config 32BIT
  1491. bool "32-bit kernel"
  1492. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1493. select TRAD_SIGNALS
  1494. help
  1495. Select this option if you want to build a 32-bit kernel.
  1496. config 64BIT
  1497. bool "64-bit kernel"
  1498. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1499. select HAVE_SYSCALL_WRAPPERS
  1500. help
  1501. Select this option if you want to build a 64-bit kernel.
  1502. endchoice
  1503. choice
  1504. prompt "Kernel page size"
  1505. default PAGE_SIZE_4KB
  1506. config PAGE_SIZE_4KB
  1507. bool "4kB"
  1508. depends on !CPU_LOONGSON2
  1509. help
  1510. This option select the standard 4kB Linux page size. On some
  1511. R3000-family processors this is the only available page size. Using
  1512. 4kB page size will minimize memory consumption and is therefore
  1513. recommended for low memory systems.
  1514. config PAGE_SIZE_8KB
  1515. bool "8kB"
  1516. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1517. help
  1518. Using 8kB page size will result in higher performance kernel at
  1519. the price of higher memory consumption. This option is available
  1520. only on R8000 and cnMIPS processors. Note that you will need a
  1521. suitable Linux distribution to support this.
  1522. config PAGE_SIZE_16KB
  1523. bool "16kB"
  1524. depends on !CPU_R3000 && !CPU_TX39XX
  1525. help
  1526. Using 16kB page size will result in higher performance kernel at
  1527. the price of higher memory consumption. This option is available on
  1528. all non-R3000 family processors. Note that you will need a suitable
  1529. Linux distribution to support this.
  1530. config PAGE_SIZE_32KB
  1531. bool "32kB"
  1532. depends on CPU_CAVIUM_OCTEON
  1533. help
  1534. Using 32kB page size will result in higher performance kernel at
  1535. the price of higher memory consumption. This option is available
  1536. only on cnMIPS cores. Note that you will need a suitable Linux
  1537. distribution to support this.
  1538. config PAGE_SIZE_64KB
  1539. bool "64kB"
  1540. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1541. help
  1542. Using 64kB page size will result in higher performance kernel at
  1543. the price of higher memory consumption. This option is available on
  1544. all non-R3000 family processor. Not that at the time of this
  1545. writing this option is still high experimental.
  1546. endchoice
  1547. config FORCE_MAX_ZONEORDER
  1548. int "Maximum zone order"
  1549. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1550. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1551. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1552. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1553. range 11 64
  1554. default "11"
  1555. help
  1556. The kernel memory allocator divides physically contiguous memory
  1557. blocks into "zones", where each zone is a power of two number of
  1558. pages. This option selects the largest power of two that the kernel
  1559. keeps in the memory allocator. If you need to allocate very large
  1560. blocks of physically contiguous memory, then you may need to
  1561. increase this value.
  1562. This config option is actually maximum order plus one. For example,
  1563. a value of 11 means that the largest free memory block is 2^10 pages.
  1564. The page size is not necessarily 4KB. Keep this in mind
  1565. when choosing a value for this option.
  1566. config BOARD_SCACHE
  1567. bool
  1568. config IP22_CPU_SCACHE
  1569. bool
  1570. select BOARD_SCACHE
  1571. #
  1572. # Support for a MIPS32 / MIPS64 style S-caches
  1573. #
  1574. config MIPS_CPU_SCACHE
  1575. bool
  1576. select BOARD_SCACHE
  1577. config R5000_CPU_SCACHE
  1578. bool
  1579. select BOARD_SCACHE
  1580. config RM7000_CPU_SCACHE
  1581. bool
  1582. select BOARD_SCACHE
  1583. config SIBYTE_DMA_PAGEOPS
  1584. bool "Use DMA to clear/copy pages"
  1585. depends on CPU_SB1
  1586. help
  1587. Instead of using the CPU to zero and copy pages, use a Data Mover
  1588. channel. These DMA channels are otherwise unused by the standard
  1589. SiByte Linux port. Seems to give a small performance benefit.
  1590. config CPU_HAS_PREFETCH
  1591. bool
  1592. choice
  1593. prompt "MIPS MT options"
  1594. config MIPS_MT_DISABLED
  1595. bool "Disable multithreading support."
  1596. help
  1597. Use this option if your workload can't take advantage of
  1598. MIPS hardware multithreading support. On systems that don't have
  1599. the option of an MT-enabled processor this option will be the only
  1600. option in this menu.
  1601. config MIPS_MT_SMP
  1602. bool "Use 1 TC on each available VPE for SMP"
  1603. depends on SYS_SUPPORTS_MULTITHREADING
  1604. select CPU_MIPSR2_IRQ_VI
  1605. select CPU_MIPSR2_IRQ_EI
  1606. select MIPS_MT
  1607. select NR_CPUS_DEFAULT_2
  1608. select SMP
  1609. select SYS_SUPPORTS_SCHED_SMT if SMP
  1610. select SYS_SUPPORTS_SMP
  1611. select SMP_UP
  1612. help
  1613. This is a kernel model which is known a VSMP but lately has been
  1614. marketesed into SMVP.
  1615. Virtual SMP uses the processor's VPEs to implement virtual
  1616. processors. In currently available configuration of the 34K processor
  1617. this allows for a dual processor. Both processors will share the same
  1618. primary caches; each will obtain the half of the TLB for it's own
  1619. exclusive use. For a layman this model can be described as similar to
  1620. what Intel calls Hyperthreading.
  1621. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1622. config MIPS_MT_SMTC
  1623. bool "SMTC: Use all TCs on all VPEs for SMP"
  1624. depends on CPU_MIPS32_R2
  1625. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1626. depends on SYS_SUPPORTS_MULTITHREADING
  1627. select CPU_MIPSR2_IRQ_VI
  1628. select CPU_MIPSR2_IRQ_EI
  1629. select MIPS_MT
  1630. select NR_CPUS_DEFAULT_8
  1631. select SMP
  1632. select SYS_SUPPORTS_SMP
  1633. select SMP_UP
  1634. help
  1635. This is a kernel model which is known a SMTC or lately has been
  1636. marketesed into SMVP.
  1637. is presenting the available TC's of the core as processors to Linux.
  1638. On currently available 34K processors this means a Linux system will
  1639. see up to 5 processors. The implementation of the SMTC kernel differs
  1640. significantly from VSMP and cannot efficiently coexist in the same
  1641. kernel binary so the choice between VSMP and SMTC is a compile time
  1642. decision.
  1643. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1644. endchoice
  1645. config MIPS_MT
  1646. bool
  1647. config SCHED_SMT
  1648. bool "SMT (multithreading) scheduler support"
  1649. depends on SYS_SUPPORTS_SCHED_SMT
  1650. default n
  1651. help
  1652. SMT scheduler support improves the CPU scheduler's decision making
  1653. when dealing with MIPS MT enabled cores at a cost of slightly
  1654. increased overhead in some places. If unsure say N here.
  1655. config SYS_SUPPORTS_SCHED_SMT
  1656. bool
  1657. config SYS_SUPPORTS_MULTITHREADING
  1658. bool
  1659. config MIPS_MT_FPAFF
  1660. bool "Dynamic FPU affinity for FP-intensive threads"
  1661. default y
  1662. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1663. config MIPS_VPE_LOADER
  1664. bool "VPE loader support."
  1665. depends on SYS_SUPPORTS_MULTITHREADING
  1666. select CPU_MIPSR2_IRQ_VI
  1667. select CPU_MIPSR2_IRQ_EI
  1668. select MIPS_MT
  1669. help
  1670. Includes a loader for loading an elf relocatable object
  1671. onto another VPE and running it.
  1672. config MIPS_MT_SMTC_IM_BACKSTOP
  1673. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1674. depends on MIPS_MT_SMTC
  1675. default n
  1676. help
  1677. To support multiple TC microthreads acting as "CPUs" within
  1678. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1679. during interrupt handling. To support legacy drivers and interrupt
  1680. controller management code, SMTC has a "backstop" to track and
  1681. if necessary restore the interrupt mask. This has some performance
  1682. impact on interrupt service overhead.
  1683. config MIPS_MT_SMTC_IRQAFF
  1684. bool "Support IRQ affinity API"
  1685. depends on MIPS_MT_SMTC
  1686. default n
  1687. help
  1688. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1689. for SMTC Linux kernel. Requires platform support, of which
  1690. an example can be found in the MIPS kernel i8259 and Malta
  1691. platform code. Adds some overhead to interrupt dispatch, and
  1692. should be used only if you know what you are doing.
  1693. config MIPS_VPE_LOADER_TOM
  1694. bool "Load VPE program into memory hidden from linux"
  1695. depends on MIPS_VPE_LOADER
  1696. default y
  1697. help
  1698. The loader can use memory that is present but has been hidden from
  1699. Linux using the kernel command line option "mem=xxMB". It's up to
  1700. you to ensure the amount you put in the option and the space your
  1701. program requires is less or equal to the amount physically present.
  1702. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1703. config MIPS_VPE_APSP_API
  1704. bool "Enable support for AP/SP API (RTLX)"
  1705. depends on MIPS_VPE_LOADER
  1706. help
  1707. config MIPS_APSP_KSPD
  1708. bool "Enable KSPD"
  1709. depends on MIPS_VPE_APSP_API
  1710. default y
  1711. help
  1712. KSPD is a kernel daemon that accepts syscall requests from the SP
  1713. side, actions them and returns the results. It also handles the
  1714. "exit" syscall notifying other kernel modules the SP program is
  1715. exiting. You probably want to say yes here.
  1716. config MIPS_CMP
  1717. bool "MIPS CMP framework support"
  1718. depends on SYS_SUPPORTS_MIPS_CMP
  1719. select SYNC_R4K
  1720. select SYS_SUPPORTS_SMP
  1721. select SYS_SUPPORTS_SCHED_SMT if SMP
  1722. select WEAK_ORDERING
  1723. default n
  1724. help
  1725. This is a placeholder option for the GCMP work. It will need to
  1726. be handled differently...
  1727. config SB1_PASS_1_WORKAROUNDS
  1728. bool
  1729. depends on CPU_SB1_PASS_1
  1730. default y
  1731. config SB1_PASS_2_WORKAROUNDS
  1732. bool
  1733. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1734. default y
  1735. config SB1_PASS_2_1_WORKAROUNDS
  1736. bool
  1737. depends on CPU_SB1 && CPU_SB1_PASS_2
  1738. default y
  1739. config 64BIT_PHYS_ADDR
  1740. bool
  1741. config ARCH_PHYS_ADDR_T_64BIT
  1742. def_bool 64BIT_PHYS_ADDR
  1743. config CPU_HAS_SMARTMIPS
  1744. depends on SYS_SUPPORTS_SMARTMIPS
  1745. bool "Support for the SmartMIPS ASE"
  1746. help
  1747. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1748. increased security at both hardware and software level for
  1749. smartcards. Enabling this option will allow proper use of the
  1750. SmartMIPS instructions by Linux applications. However a kernel with
  1751. this option will not work on a MIPS core without SmartMIPS core. If
  1752. you don't know you probably don't have SmartMIPS and should say N
  1753. here.
  1754. config CPU_HAS_WB
  1755. bool
  1756. config XKS01
  1757. bool
  1758. #
  1759. # Vectored interrupt mode is an R2 feature
  1760. #
  1761. config CPU_MIPSR2_IRQ_VI
  1762. bool
  1763. #
  1764. # Extended interrupt mode is an R2 feature
  1765. #
  1766. config CPU_MIPSR2_IRQ_EI
  1767. bool
  1768. config CPU_HAS_SYNC
  1769. bool
  1770. depends on !CPU_R3000
  1771. default y
  1772. #
  1773. # CPU non-features
  1774. #
  1775. config CPU_DADDI_WORKAROUNDS
  1776. bool
  1777. config CPU_R4000_WORKAROUNDS
  1778. bool
  1779. select CPU_R4400_WORKAROUNDS
  1780. config CPU_R4400_WORKAROUNDS
  1781. bool
  1782. #
  1783. # - Highmem only makes sense for the 32-bit kernel.
  1784. # - The current highmem code will only work properly on physically indexed
  1785. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1786. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1787. # moment we protect the user and offer the highmem option only on machines
  1788. # where it's known to be safe. This will not offer highmem on a few systems
  1789. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1790. # indexed CPUs but we're playing safe.
  1791. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1792. # know they might have memory configurations that could make use of highmem
  1793. # support.
  1794. #
  1795. config HIGHMEM
  1796. bool "High Memory Support"
  1797. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1798. config CPU_SUPPORTS_HIGHMEM
  1799. bool
  1800. config SYS_SUPPORTS_HIGHMEM
  1801. bool
  1802. config SYS_SUPPORTS_SMARTMIPS
  1803. bool
  1804. config ARCH_FLATMEM_ENABLE
  1805. def_bool y
  1806. depends on !NUMA && !CPU_LOONGSON2
  1807. config ARCH_DISCONTIGMEM_ENABLE
  1808. bool
  1809. default y if SGI_IP27
  1810. help
  1811. Say Y to support efficient handling of discontiguous physical memory,
  1812. for architectures which are either NUMA (Non-Uniform Memory Access)
  1813. or have huge holes in the physical address space for other reasons.
  1814. See <file:Documentation/vm/numa> for more.
  1815. config ARCH_SPARSEMEM_ENABLE
  1816. bool
  1817. select SPARSEMEM_STATIC
  1818. config NUMA
  1819. bool "NUMA Support"
  1820. depends on SYS_SUPPORTS_NUMA
  1821. help
  1822. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1823. Access). This option improves performance on systems with more
  1824. than two nodes; on two node systems it is generally better to
  1825. leave it disabled; on single node systems disable this option
  1826. disabled.
  1827. config SYS_SUPPORTS_NUMA
  1828. bool
  1829. config NODES_SHIFT
  1830. int
  1831. default "6"
  1832. depends on NEED_MULTIPLE_NODES
  1833. config HW_PERF_EVENTS
  1834. bool "Enable hardware performance counter support for perf events"
  1835. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1836. default y
  1837. help
  1838. Enable hardware performance counter support for perf events. If
  1839. disabled, perf events will use software events only.
  1840. source "mm/Kconfig"
  1841. config SMP
  1842. bool "Multi-Processing support"
  1843. depends on SYS_SUPPORTS_SMP
  1844. select IRQ_PER_CPU
  1845. select USE_GENERIC_SMP_HELPERS
  1846. help
  1847. This enables support for systems with more than one CPU. If you have
  1848. a system with only one CPU, like most personal computers, say N. If
  1849. you have a system with more than one CPU, say Y.
  1850. If you say N here, the kernel will run on single and multiprocessor
  1851. machines, but will use only one CPU of a multiprocessor machine. If
  1852. you say Y here, the kernel will run on many, but not all,
  1853. singleprocessor machines. On a singleprocessor machine, the kernel
  1854. will run faster if you say N here.
  1855. People using multiprocessor machines who say Y here should also say
  1856. Y to "Enhanced Real Time Clock Support", below.
  1857. See also the SMP-HOWTO available at
  1858. <http://www.tldp.org/docs.html#howto>.
  1859. If you don't know what to do here, say N.
  1860. config SMP_UP
  1861. bool
  1862. config SYS_SUPPORTS_MIPS_CMP
  1863. bool
  1864. config SYS_SUPPORTS_SMP
  1865. bool
  1866. config NR_CPUS_DEFAULT_1
  1867. bool
  1868. config NR_CPUS_DEFAULT_2
  1869. bool
  1870. config NR_CPUS_DEFAULT_4
  1871. bool
  1872. config NR_CPUS_DEFAULT_8
  1873. bool
  1874. config NR_CPUS_DEFAULT_16
  1875. bool
  1876. config NR_CPUS_DEFAULT_32
  1877. bool
  1878. config NR_CPUS_DEFAULT_64
  1879. bool
  1880. config NR_CPUS
  1881. int "Maximum number of CPUs (2-64)"
  1882. range 1 64 if NR_CPUS_DEFAULT_1
  1883. depends on SMP
  1884. default "1" if NR_CPUS_DEFAULT_1
  1885. default "2" if NR_CPUS_DEFAULT_2
  1886. default "4" if NR_CPUS_DEFAULT_4
  1887. default "8" if NR_CPUS_DEFAULT_8
  1888. default "16" if NR_CPUS_DEFAULT_16
  1889. default "32" if NR_CPUS_DEFAULT_32
  1890. default "64" if NR_CPUS_DEFAULT_64
  1891. help
  1892. This allows you to specify the maximum number of CPUs which this
  1893. kernel will support. The maximum supported value is 32 for 32-bit
  1894. kernel and 64 for 64-bit kernels; the minimum value which makes
  1895. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1896. and 2 for all others.
  1897. This is purely to save memory - each supported CPU adds
  1898. approximately eight kilobytes to the kernel image. For best
  1899. performance should round up your number of processors to the next
  1900. power of two.
  1901. #
  1902. # Timer Interrupt Frequency Configuration
  1903. #
  1904. choice
  1905. prompt "Timer frequency"
  1906. default HZ_250
  1907. help
  1908. Allows the configuration of the timer frequency.
  1909. config HZ_48
  1910. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1911. config HZ_100
  1912. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1913. config HZ_128
  1914. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1915. config HZ_250
  1916. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1917. config HZ_256
  1918. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1919. config HZ_1000
  1920. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1921. config HZ_1024
  1922. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1923. endchoice
  1924. config SYS_SUPPORTS_48HZ
  1925. bool
  1926. config SYS_SUPPORTS_100HZ
  1927. bool
  1928. config SYS_SUPPORTS_128HZ
  1929. bool
  1930. config SYS_SUPPORTS_250HZ
  1931. bool
  1932. config SYS_SUPPORTS_256HZ
  1933. bool
  1934. config SYS_SUPPORTS_1000HZ
  1935. bool
  1936. config SYS_SUPPORTS_1024HZ
  1937. bool
  1938. config SYS_SUPPORTS_ARBIT_HZ
  1939. bool
  1940. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1941. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1942. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1943. !SYS_SUPPORTS_1024HZ
  1944. config HZ
  1945. int
  1946. default 48 if HZ_48
  1947. default 100 if HZ_100
  1948. default 128 if HZ_128
  1949. default 250 if HZ_250
  1950. default 256 if HZ_256
  1951. default 1000 if HZ_1000
  1952. default 1024 if HZ_1024
  1953. source "kernel/Kconfig.preempt"
  1954. config KEXEC
  1955. bool "Kexec system call (EXPERIMENTAL)"
  1956. depends on EXPERIMENTAL
  1957. help
  1958. kexec is a system call that implements the ability to shutdown your
  1959. current kernel, and to start another kernel. It is like a reboot
  1960. but it is independent of the system firmware. And like a reboot
  1961. you can start any kernel with it, not just Linux.
  1962. The name comes from the similarity to the exec system call.
  1963. It is an ongoing process to be certain the hardware in a machine
  1964. is properly shutdown, so do not be surprised if this code does not
  1965. initially work for you. It may help to enable device hotplugging
  1966. support. As of this writing the exact hardware interface is
  1967. strongly in flux, so no good recommendation can be made.
  1968. config SECCOMP
  1969. bool "Enable seccomp to safely compute untrusted bytecode"
  1970. depends on PROC_FS
  1971. default y
  1972. help
  1973. This kernel feature is useful for number crunching applications
  1974. that may need to compute untrusted bytecode during their
  1975. execution. By using pipes or other transports made available to
  1976. the process as file descriptors supporting the read/write
  1977. syscalls, it's possible to isolate those applications in
  1978. their own address space using seccomp. Once seccomp is
  1979. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1980. and the task is only allowed to execute a few safe syscalls
  1981. defined by each seccomp mode.
  1982. If unsure, say Y. Only embedded should say N here.
  1983. config USE_OF
  1984. bool "Flattened Device Tree support"
  1985. select OF
  1986. select OF_EARLY_FLATTREE
  1987. select IRQ_DOMAIN
  1988. help
  1989. Include support for flattened device tree machine descriptions.
  1990. endmenu
  1991. config LOCKDEP_SUPPORT
  1992. bool
  1993. default y
  1994. config STACKTRACE_SUPPORT
  1995. bool
  1996. default y
  1997. source "init/Kconfig"
  1998. source "kernel/Kconfig.freezer"
  1999. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2000. config HW_HAS_EISA
  2001. bool
  2002. config HW_HAS_PCI
  2003. bool
  2004. config PCI
  2005. bool "Support for PCI controller"
  2006. depends on HW_HAS_PCI
  2007. select PCI_DOMAINS
  2008. select GENERIC_PCI_IOMAP
  2009. select NO_GENERIC_PCI_IOPORT_MAP
  2010. help
  2011. Find out whether you have a PCI motherboard. PCI is the name of a
  2012. bus system, i.e. the way the CPU talks to the other stuff inside
  2013. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2014. say Y, otherwise N.
  2015. config PCI_DOMAINS
  2016. bool
  2017. source "drivers/pci/Kconfig"
  2018. #
  2019. # ISA support is now enabled via select. Too many systems still have the one
  2020. # or other ISA chip on the board that users don't know about so don't expect
  2021. # users to choose the right thing ...
  2022. #
  2023. config ISA
  2024. bool
  2025. config EISA
  2026. bool "EISA support"
  2027. depends on HW_HAS_EISA
  2028. select ISA
  2029. select GENERIC_ISA_DMA
  2030. ---help---
  2031. The Extended Industry Standard Architecture (EISA) bus was
  2032. developed as an open alternative to the IBM MicroChannel bus.
  2033. The EISA bus provided some of the features of the IBM MicroChannel
  2034. bus while maintaining backward compatibility with cards made for
  2035. the older ISA bus. The EISA bus saw limited use between 1988 and
  2036. 1995 when it was made obsolete by the PCI bus.
  2037. Say Y here if you are building a kernel for an EISA-based machine.
  2038. Otherwise, say N.
  2039. source "drivers/eisa/Kconfig"
  2040. config TC
  2041. bool "TURBOchannel support"
  2042. depends on MACH_DECSTATION
  2043. help
  2044. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2045. processors. TURBOchannel programming specifications are available
  2046. at:
  2047. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2048. and:
  2049. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2050. Linux driver support status is documented at:
  2051. <http://www.linux-mips.org/wiki/DECstation>
  2052. config MMU
  2053. bool
  2054. default y
  2055. config I8253
  2056. bool
  2057. select CLKSRC_I8253
  2058. select CLKEVT_I8253
  2059. select MIPS_EXTERNAL_TIMER
  2060. config ZONE_DMA32
  2061. bool
  2062. source "drivers/pcmcia/Kconfig"
  2063. source "drivers/pci/hotplug/Kconfig"
  2064. config RAPIDIO
  2065. bool "RapidIO support"
  2066. depends on PCI
  2067. default n
  2068. help
  2069. If you say Y here, the kernel will include drivers and
  2070. infrastructure code to support RapidIO interconnect devices.
  2071. source "drivers/rapidio/Kconfig"
  2072. endmenu
  2073. menu "Executable file formats"
  2074. source "fs/Kconfig.binfmt"
  2075. config TRAD_SIGNALS
  2076. bool
  2077. config MIPS32_COMPAT
  2078. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2079. depends on 64BIT
  2080. help
  2081. Select this option if you want Linux/MIPS 32-bit binary
  2082. compatibility. Since all software available for Linux/MIPS is
  2083. currently 32-bit you should say Y here.
  2084. config COMPAT
  2085. bool
  2086. depends on MIPS32_COMPAT
  2087. select ARCH_WANT_OLD_COMPAT_IPC
  2088. default y
  2089. config SYSVIPC_COMPAT
  2090. bool
  2091. depends on COMPAT && SYSVIPC
  2092. default y
  2093. config MIPS32_O32
  2094. bool "Kernel support for o32 binaries"
  2095. depends on MIPS32_COMPAT
  2096. help
  2097. Select this option if you want to run o32 binaries. These are pure
  2098. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2099. existing binaries are in this format.
  2100. If unsure, say Y.
  2101. config MIPS32_N32
  2102. bool "Kernel support for n32 binaries"
  2103. depends on MIPS32_COMPAT
  2104. help
  2105. Select this option if you want to run n32 binaries. These are
  2106. 64-bit binaries using 32-bit quantities for addressing and certain
  2107. data that would normally be 64-bit. They are used in special
  2108. cases.
  2109. If unsure, say N.
  2110. config BINFMT_ELF32
  2111. bool
  2112. default y if MIPS32_O32 || MIPS32_N32
  2113. endmenu
  2114. menu "Power management options"
  2115. config ARCH_HIBERNATION_POSSIBLE
  2116. def_bool y
  2117. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2118. config ARCH_SUSPEND_POSSIBLE
  2119. def_bool y
  2120. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2121. source "kernel/power/Kconfig"
  2122. endmenu
  2123. source "arch/mips/kernel/cpufreq/Kconfig"
  2124. source "net/Kconfig"
  2125. source "drivers/Kconfig"
  2126. source "fs/Kconfig"
  2127. source "arch/mips/Kconfig.debug"
  2128. source "security/Kconfig"
  2129. source "crypto/Kconfig"
  2130. source "lib/Kconfig"