Kconfig 60 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select 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 GENERIC_PCI_IOMAP
  28. select HAVE_ARCH_JUMP_LABEL
  29. select IRQ_FORCED_THREADING
  30. select HAVE_MEMBLOCK
  31. select HAVE_MEMBLOCK_NODE_MAP
  32. select ARCH_DISCARD_MEMBLOCK
  33. select HAVE_CC_STACKPROTECTOR
  34. menu "Machine selection"
  35. config ZONE_DMA
  36. bool
  37. choice
  38. prompt "System type"
  39. default SGI_IP22
  40. config MIPS_ALCHEMY
  41. bool "Alchemy processor based machines"
  42. select 64BIT_PHYS_ADDR
  43. select CEVT_R4K_LIB
  44. select CSRC_R4K_LIB
  45. select IRQ_CPU
  46. select SYS_HAS_CPU_MIPS32_R1
  47. select SYS_SUPPORTS_32BIT_KERNEL
  48. select SYS_SUPPORTS_APM_EMULATION
  49. select GENERIC_GPIO
  50. select ARCH_WANT_OPTIONAL_GPIOLIB
  51. select SYS_SUPPORTS_ZBOOT
  52. select USB_ARCH_HAS_OHCI
  53. select USB_ARCH_HAS_EHCI
  54. config AR7
  55. bool "Texas Instruments AR7"
  56. select BOOT_ELF32
  57. select DMA_NONCOHERENT
  58. select CEVT_R4K
  59. select CSRC_R4K
  60. select IRQ_CPU
  61. select NO_EXCEPT_FILL
  62. select SWAP_IO_SPACE
  63. select SYS_HAS_CPU_MIPS32_R1
  64. select SYS_HAS_EARLY_PRINTK
  65. select SYS_SUPPORTS_32BIT_KERNEL
  66. select SYS_SUPPORTS_LITTLE_ENDIAN
  67. select SYS_SUPPORTS_ZBOOT_UART16550
  68. select ARCH_REQUIRE_GPIOLIB
  69. select VLYNQ
  70. help
  71. Support for the Texas Instruments AR7 System-on-a-Chip
  72. family: TNETD7100, 7200 and 7300.
  73. config ATH79
  74. bool "Atheros AR71XX/AR724X/AR913X based boards"
  75. select ARCH_REQUIRE_GPIOLIB
  76. select BOOT_RAW
  77. select CEVT_R4K
  78. select CSRC_R4K
  79. select DMA_NONCOHERENT
  80. select IRQ_CPU
  81. select MIPS_MACHINE
  82. select SYS_HAS_CPU_MIPS32_R2
  83. select SYS_HAS_EARLY_PRINTK
  84. select SYS_SUPPORTS_32BIT_KERNEL
  85. select SYS_SUPPORTS_BIG_ENDIAN
  86. help
  87. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  88. config BCM47XX
  89. bool "Broadcom BCM47XX based boards"
  90. select CEVT_R4K
  91. select CSRC_R4K
  92. select DMA_NONCOHERENT
  93. select HW_HAS_PCI
  94. select IRQ_CPU
  95. select SYS_SUPPORTS_32BIT_KERNEL
  96. select SYS_SUPPORTS_LITTLE_ENDIAN
  97. select GENERIC_GPIO
  98. select SYS_HAS_EARLY_PRINTK
  99. select CFE
  100. help
  101. Support for BCM47XX based boards
  102. config BCM63XX
  103. bool "Broadcom BCM63XX based boards"
  104. select CEVT_R4K
  105. select CSRC_R4K
  106. select DMA_NONCOHERENT
  107. select IRQ_CPU
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_BIG_ENDIAN
  111. select SYS_HAS_EARLY_PRINTK
  112. select SWAP_IO_SPACE
  113. select ARCH_REQUIRE_GPIOLIB
  114. help
  115. Support for BCM63XX based boards
  116. config MIPS_COBALT
  117. bool "Cobalt Server"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select CEVT_GT641XX
  121. select DMA_NONCOHERENT
  122. select HW_HAS_PCI
  123. select I8253
  124. select I8259
  125. select IRQ_CPU
  126. select IRQ_GT641XX
  127. select PCI_GT64XXX_PCI0
  128. select PCI
  129. select SYS_HAS_CPU_NEVADA
  130. select SYS_HAS_EARLY_PRINTK
  131. select SYS_SUPPORTS_32BIT_KERNEL
  132. select SYS_SUPPORTS_64BIT_KERNEL
  133. select SYS_SUPPORTS_LITTLE_ENDIAN
  134. config MACH_DECSTATION
  135. bool "DECstations"
  136. select BOOT_ELF32
  137. select CEVT_DS1287
  138. select CEVT_R4K
  139. select CSRC_IOASIC
  140. select CSRC_R4K
  141. select CPU_DADDI_WORKAROUNDS if 64BIT
  142. select CPU_R4000_WORKAROUNDS if 64BIT
  143. select CPU_R4400_WORKAROUNDS if 64BIT
  144. select DMA_NONCOHERENT
  145. select NO_IOPORT
  146. select IRQ_CPU
  147. select SYS_HAS_CPU_R3000
  148. select SYS_HAS_CPU_R4X00
  149. select SYS_SUPPORTS_32BIT_KERNEL
  150. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  151. select SYS_SUPPORTS_LITTLE_ENDIAN
  152. select SYS_SUPPORTS_128HZ
  153. select SYS_SUPPORTS_256HZ
  154. select SYS_SUPPORTS_1024HZ
  155. help
  156. This enables support for DEC's MIPS based workstations. For details
  157. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  158. DECstation porting pages on <http://decstation.unix-ag.org/>.
  159. If you have one of the following DECstation Models you definitely
  160. want to choose R4xx0 for the CPU Type:
  161. DECstation 5000/50
  162. DECstation 5000/150
  163. DECstation 5000/260
  164. DECsystem 5900/260
  165. otherwise choose R3000.
  166. config MACH_JAZZ
  167. bool "Jazz family of machines"
  168. select ARC
  169. select ARC32
  170. select ARCH_MAY_HAVE_PC_FDC
  171. select CEVT_R4K
  172. select CSRC_R4K
  173. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  174. select GENERIC_ISA_DMA
  175. select HAVE_PCSPKR_PLATFORM
  176. select IRQ_CPU
  177. select I8253
  178. select I8259
  179. select ISA
  180. select SYS_HAS_CPU_R4X00
  181. select SYS_SUPPORTS_32BIT_KERNEL
  182. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  183. select SYS_SUPPORTS_100HZ
  184. help
  185. This a family of machines based on the MIPS R4030 chipset which was
  186. used by several vendors to build RISC/os and Windows NT workstations.
  187. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  188. Olivetti M700-10 workstations.
  189. config MACH_JZ4740
  190. bool "Ingenic JZ4740 based machines"
  191. select SYS_HAS_CPU_MIPS32_R1
  192. select SYS_SUPPORTS_32BIT_KERNEL
  193. select SYS_SUPPORTS_LITTLE_ENDIAN
  194. select DMA_NONCOHERENT
  195. select IRQ_CPU
  196. select GENERIC_GPIO
  197. select ARCH_REQUIRE_GPIOLIB
  198. select SYS_HAS_EARLY_PRINTK
  199. select HAVE_PWM
  200. select HAVE_CLK
  201. select GENERIC_IRQ_CHIP
  202. config LANTIQ
  203. bool "Lantiq based platforms"
  204. select DMA_NONCOHERENT
  205. select IRQ_CPU
  206. select CEVT_R4K
  207. select CSRC_R4K
  208. select SYS_HAS_CPU_MIPS32_R1
  209. select SYS_HAS_CPU_MIPS32_R2
  210. select SYS_SUPPORTS_BIG_ENDIAN
  211. select SYS_SUPPORTS_32BIT_KERNEL
  212. select SYS_SUPPORTS_MULTITHREADING
  213. select SYS_HAS_EARLY_PRINTK
  214. select ARCH_REQUIRE_GPIOLIB
  215. select SWAP_IO_SPACE
  216. select BOOT_RAW
  217. select HAVE_CLK
  218. select MIPS_MACHINE
  219. config LASAT
  220. bool "LASAT Networks platforms"
  221. select CEVT_R4K
  222. select CSRC_R4K
  223. select DMA_NONCOHERENT
  224. select SYS_HAS_EARLY_PRINTK
  225. select HW_HAS_PCI
  226. select IRQ_CPU
  227. select PCI_GT64XXX_PCI0
  228. select MIPS_NILE4
  229. select R5000_CPU_SCACHE
  230. select SYS_HAS_CPU_R5000
  231. select SYS_SUPPORTS_32BIT_KERNEL
  232. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  233. select SYS_SUPPORTS_LITTLE_ENDIAN
  234. config MACH_LOONGSON
  235. bool "Loongson family of machines"
  236. select SYS_SUPPORTS_ZBOOT
  237. help
  238. This enables the support of Loongson family of machines.
  239. Loongson is a family of general-purpose MIPS-compatible CPUs.
  240. developed at Institute of Computing Technology (ICT),
  241. Chinese Academy of Sciences (CAS) in the People's Republic
  242. of China. The chief architect is Professor Weiwu Hu.
  243. config MIPS_MALTA
  244. bool "MIPS Malta board"
  245. select ARCH_MAY_HAVE_PC_FDC
  246. select BOOT_ELF32
  247. select BOOT_RAW
  248. select CEVT_R4K
  249. select CSRC_R4K
  250. select DMA_NONCOHERENT
  251. select GENERIC_ISA_DMA
  252. select HAVE_PCSPKR_PLATFORM
  253. select IRQ_CPU
  254. select IRQ_GIC
  255. select HW_HAS_PCI
  256. select I8253
  257. select I8259
  258. select MIPS_BOARDS_GEN
  259. select MIPS_BONITO64
  260. select MIPS_CPU_SCACHE
  261. select PCI_GT64XXX_PCI0
  262. select MIPS_MSC
  263. select SWAP_IO_SPACE
  264. select SYS_HAS_CPU_MIPS32_R1
  265. select SYS_HAS_CPU_MIPS32_R2
  266. select SYS_HAS_CPU_MIPS64_R1
  267. select SYS_HAS_CPU_NEVADA
  268. select SYS_HAS_CPU_RM7000
  269. select SYS_HAS_EARLY_PRINTK
  270. select SYS_SUPPORTS_32BIT_KERNEL
  271. select SYS_SUPPORTS_64BIT_KERNEL
  272. select SYS_SUPPORTS_BIG_ENDIAN
  273. select SYS_SUPPORTS_LITTLE_ENDIAN
  274. select SYS_SUPPORTS_MIPS_CMP
  275. select SYS_SUPPORTS_MULTITHREADING
  276. select SYS_SUPPORTS_SMARTMIPS
  277. select SYS_SUPPORTS_ZBOOT
  278. help
  279. This enables support for the MIPS Technologies Malta evaluation
  280. board.
  281. config MIPS_SIM
  282. bool 'MIPS simulator (MIPSsim)'
  283. select CEVT_R4K
  284. select CSRC_R4K
  285. select DMA_NONCOHERENT
  286. select SYS_HAS_EARLY_PRINTK
  287. select IRQ_CPU
  288. select BOOT_RAW
  289. select SYS_HAS_CPU_MIPS32_R1
  290. select SYS_HAS_CPU_MIPS32_R2
  291. select SYS_HAS_EARLY_PRINTK
  292. select SYS_SUPPORTS_32BIT_KERNEL
  293. select SYS_SUPPORTS_BIG_ENDIAN
  294. select SYS_SUPPORTS_MULTITHREADING
  295. select SYS_SUPPORTS_LITTLE_ENDIAN
  296. help
  297. This option enables support for MIPS Technologies MIPSsim software
  298. emulator.
  299. config NEC_MARKEINS
  300. bool "NEC EMMA2RH Mark-eins board"
  301. select SOC_EMMA2RH
  302. select HW_HAS_PCI
  303. help
  304. This enables support for the NEC Electronics Mark-eins boards.
  305. config MACH_VR41XX
  306. bool "NEC VR4100 series based machines"
  307. select CEVT_R4K
  308. select CSRC_R4K
  309. select SYS_HAS_CPU_VR41XX
  310. select ARCH_REQUIRE_GPIOLIB
  311. config NXP_STB220
  312. bool "NXP STB220 board"
  313. select SOC_PNX833X
  314. help
  315. Support for NXP Semiconductors STB220 Development Board.
  316. config NXP_STB225
  317. bool "NXP 225 board"
  318. select SOC_PNX833X
  319. select SOC_PNX8335
  320. help
  321. Support for NXP Semiconductors STB225 Development Board.
  322. config PNX8550_JBS
  323. bool "NXP PNX8550 based JBS board"
  324. select PNX8550
  325. select SYS_SUPPORTS_LITTLE_ENDIAN
  326. config PNX8550_STB810
  327. bool "NXP PNX8550 based STB810 board"
  328. select PNX8550
  329. select SYS_SUPPORTS_LITTLE_ENDIAN
  330. config PMC_MSP
  331. bool "PMC-Sierra MSP chipsets"
  332. depends on EXPERIMENTAL
  333. select CEVT_R4K
  334. select CSRC_R4K
  335. select DMA_NONCOHERENT
  336. select SWAP_IO_SPACE
  337. select NO_EXCEPT_FILL
  338. select BOOT_RAW
  339. select SYS_HAS_CPU_MIPS32_R1
  340. select SYS_HAS_CPU_MIPS32_R2
  341. select SYS_SUPPORTS_32BIT_KERNEL
  342. select SYS_SUPPORTS_BIG_ENDIAN
  343. select IRQ_CPU
  344. select SERIAL_8250
  345. select SERIAL_8250_CONSOLE
  346. help
  347. This adds support for the PMC-Sierra family of Multi-Service
  348. Processor System-On-A-Chips. These parts include a number
  349. of integrated peripherals, interfaces and DSPs in addition to
  350. a variety of MIPS cores.
  351. config PMC_YOSEMITE
  352. bool "PMC-Sierra Yosemite eval board"
  353. select CEVT_R4K
  354. select CSRC_R4K
  355. select DMA_COHERENT
  356. select HW_HAS_PCI
  357. select IRQ_CPU
  358. select IRQ_CPU_RM7K
  359. select IRQ_CPU_RM9K
  360. select SWAP_IO_SPACE
  361. select SYS_HAS_CPU_RM9000
  362. select SYS_HAS_EARLY_PRINTK
  363. select SYS_SUPPORTS_32BIT_KERNEL
  364. select SYS_SUPPORTS_64BIT_KERNEL
  365. select SYS_SUPPORTS_BIG_ENDIAN
  366. select SYS_SUPPORTS_HIGHMEM
  367. select SYS_SUPPORTS_SMP
  368. help
  369. Yosemite is an evaluation board for the RM9000x2 processor
  370. manufactured by PMC-Sierra.
  371. config POWERTV
  372. bool "Cisco PowerTV"
  373. select BOOT_ELF32
  374. select CEVT_R4K
  375. select CPU_MIPSR2_IRQ_VI
  376. select CPU_MIPSR2_IRQ_EI
  377. select CSRC_POWERTV
  378. select DMA_NONCOHERENT
  379. select HW_HAS_PCI
  380. select SYS_HAS_EARLY_PRINTK
  381. select SYS_HAS_CPU_MIPS32_R2
  382. select SYS_SUPPORTS_32BIT_KERNEL
  383. select SYS_SUPPORTS_BIG_ENDIAN
  384. select SYS_SUPPORTS_HIGHMEM
  385. select USB_OHCI_LITTLE_ENDIAN
  386. help
  387. This enables support for the Cisco PowerTV Platform.
  388. config SGI_IP22
  389. bool "SGI IP22 (Indy/Indigo2)"
  390. select ARC
  391. select ARC32
  392. select BOOT_ELF32
  393. select CEVT_R4K
  394. select CSRC_R4K
  395. select DEFAULT_SGI_PARTITION
  396. select DMA_NONCOHERENT
  397. select HW_HAS_EISA
  398. select I8253
  399. select I8259
  400. select IP22_CPU_SCACHE
  401. select IRQ_CPU
  402. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  403. select SGI_HAS_I8042
  404. select SGI_HAS_INDYDOG
  405. select SGI_HAS_HAL2
  406. select SGI_HAS_SEEQ
  407. select SGI_HAS_WD93
  408. select SGI_HAS_ZILOG
  409. select SWAP_IO_SPACE
  410. select SYS_HAS_CPU_R4X00
  411. select SYS_HAS_CPU_R5000
  412. #
  413. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  414. # memory during early boot on some machines.
  415. #
  416. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  417. # for a more details discussion
  418. #
  419. # select SYS_HAS_EARLY_PRINTK
  420. select SYS_SUPPORTS_32BIT_KERNEL
  421. select SYS_SUPPORTS_64BIT_KERNEL
  422. select SYS_SUPPORTS_BIG_ENDIAN
  423. help
  424. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  425. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  426. that runs on these, say Y here.
  427. config SGI_IP27
  428. bool "SGI IP27 (Origin200/2000)"
  429. select ARC
  430. select ARC64
  431. select BOOT_ELF64
  432. select DEFAULT_SGI_PARTITION
  433. select DMA_COHERENT
  434. select SYS_HAS_EARLY_PRINTK
  435. select HW_HAS_PCI
  436. select NR_CPUS_DEFAULT_64
  437. select SYS_HAS_CPU_R10000
  438. select SYS_SUPPORTS_64BIT_KERNEL
  439. select SYS_SUPPORTS_BIG_ENDIAN
  440. select SYS_SUPPORTS_NUMA
  441. select SYS_SUPPORTS_SMP
  442. help
  443. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  444. workstations. To compile a Linux kernel that runs on these, say Y
  445. here.
  446. config SGI_IP28
  447. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  448. depends on EXPERIMENTAL
  449. select ARC
  450. select ARC64
  451. select BOOT_ELF64
  452. select CEVT_R4K
  453. select CSRC_R4K
  454. select DEFAULT_SGI_PARTITION
  455. select DMA_NONCOHERENT
  456. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  457. select IRQ_CPU
  458. select HW_HAS_EISA
  459. select I8253
  460. select I8259
  461. select SGI_HAS_I8042
  462. select SGI_HAS_INDYDOG
  463. select SGI_HAS_HAL2
  464. select SGI_HAS_SEEQ
  465. select SGI_HAS_WD93
  466. select SGI_HAS_ZILOG
  467. select SWAP_IO_SPACE
  468. select SYS_HAS_CPU_R10000
  469. #
  470. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  471. # memory during early boot on some machines.
  472. #
  473. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  474. # for a more details discussion
  475. #
  476. # select SYS_HAS_EARLY_PRINTK
  477. select SYS_SUPPORTS_64BIT_KERNEL
  478. select SYS_SUPPORTS_BIG_ENDIAN
  479. help
  480. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  481. kernel that runs on these, say Y here.
  482. config SGI_IP32
  483. bool "SGI IP32 (O2)"
  484. select ARC
  485. select ARC32
  486. select BOOT_ELF32
  487. select CEVT_R4K
  488. select CSRC_R4K
  489. select DMA_NONCOHERENT
  490. select HW_HAS_PCI
  491. select IRQ_CPU
  492. select R5000_CPU_SCACHE
  493. select RM7000_CPU_SCACHE
  494. select SYS_HAS_CPU_R5000
  495. select SYS_HAS_CPU_R10000 if BROKEN
  496. select SYS_HAS_CPU_RM7000
  497. select SYS_HAS_CPU_NEVADA
  498. select SYS_SUPPORTS_64BIT_KERNEL
  499. select SYS_SUPPORTS_BIG_ENDIAN
  500. help
  501. If you want this kernel to run on SGI O2 workstation, say Y here.
  502. config SIBYTE_CRHINE
  503. bool "Sibyte BCM91120C-CRhine"
  504. depends on EXPERIMENTAL
  505. select BOOT_ELF32
  506. select DMA_COHERENT
  507. select SIBYTE_BCM1120
  508. select SWAP_IO_SPACE
  509. select SYS_HAS_CPU_SB1
  510. select SYS_SUPPORTS_BIG_ENDIAN
  511. select SYS_SUPPORTS_LITTLE_ENDIAN
  512. config SIBYTE_CARMEL
  513. bool "Sibyte BCM91120x-Carmel"
  514. depends on EXPERIMENTAL
  515. select BOOT_ELF32
  516. select DMA_COHERENT
  517. select SIBYTE_BCM1120
  518. select SWAP_IO_SPACE
  519. select SYS_HAS_CPU_SB1
  520. select SYS_SUPPORTS_BIG_ENDIAN
  521. select SYS_SUPPORTS_LITTLE_ENDIAN
  522. config SIBYTE_CRHONE
  523. bool "Sibyte BCM91125C-CRhone"
  524. depends on EXPERIMENTAL
  525. select BOOT_ELF32
  526. select DMA_COHERENT
  527. select SIBYTE_BCM1125
  528. select SWAP_IO_SPACE
  529. select SYS_HAS_CPU_SB1
  530. select SYS_SUPPORTS_BIG_ENDIAN
  531. select SYS_SUPPORTS_HIGHMEM
  532. select SYS_SUPPORTS_LITTLE_ENDIAN
  533. config SIBYTE_RHONE
  534. bool "Sibyte BCM91125E-Rhone"
  535. depends on EXPERIMENTAL
  536. select BOOT_ELF32
  537. select DMA_COHERENT
  538. select SIBYTE_BCM1125H
  539. select SWAP_IO_SPACE
  540. select SYS_HAS_CPU_SB1
  541. select SYS_SUPPORTS_BIG_ENDIAN
  542. select SYS_SUPPORTS_LITTLE_ENDIAN
  543. config SIBYTE_SWARM
  544. bool "Sibyte BCM91250A-SWARM"
  545. select BOOT_ELF32
  546. select DMA_COHERENT
  547. select HAVE_PATA_PLATFORM
  548. select NR_CPUS_DEFAULT_2
  549. select SIBYTE_SB1250
  550. select SWAP_IO_SPACE
  551. select SYS_HAS_CPU_SB1
  552. select SYS_SUPPORTS_BIG_ENDIAN
  553. select SYS_SUPPORTS_HIGHMEM
  554. select SYS_SUPPORTS_LITTLE_ENDIAN
  555. select ZONE_DMA32 if 64BIT
  556. config SIBYTE_LITTLESUR
  557. bool "Sibyte BCM91250C2-LittleSur"
  558. depends on EXPERIMENTAL
  559. select BOOT_ELF32
  560. select DMA_COHERENT
  561. select HAVE_PATA_PLATFORM
  562. select NR_CPUS_DEFAULT_2
  563. select SIBYTE_SB1250
  564. select SWAP_IO_SPACE
  565. select SYS_HAS_CPU_SB1
  566. select SYS_SUPPORTS_BIG_ENDIAN
  567. select SYS_SUPPORTS_HIGHMEM
  568. select SYS_SUPPORTS_LITTLE_ENDIAN
  569. config SIBYTE_SENTOSA
  570. bool "Sibyte BCM91250E-Sentosa"
  571. depends on EXPERIMENTAL
  572. select BOOT_ELF32
  573. select DMA_COHERENT
  574. select NR_CPUS_DEFAULT_2
  575. select SIBYTE_SB1250
  576. select SWAP_IO_SPACE
  577. select SYS_HAS_CPU_SB1
  578. select SYS_SUPPORTS_BIG_ENDIAN
  579. select SYS_SUPPORTS_LITTLE_ENDIAN
  580. config SIBYTE_BIGSUR
  581. bool "Sibyte BCM91480B-BigSur"
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select NR_CPUS_DEFAULT_4
  585. select SIBYTE_BCM1x80
  586. select SWAP_IO_SPACE
  587. select SYS_HAS_CPU_SB1
  588. select SYS_SUPPORTS_BIG_ENDIAN
  589. select SYS_SUPPORTS_HIGHMEM
  590. select SYS_SUPPORTS_LITTLE_ENDIAN
  591. select ZONE_DMA32 if 64BIT
  592. config SNI_RM
  593. bool "SNI RM200/300/400"
  594. select ARC if CPU_LITTLE_ENDIAN
  595. select ARC32 if CPU_LITTLE_ENDIAN
  596. select SNIPROM if CPU_BIG_ENDIAN
  597. select ARCH_MAY_HAVE_PC_FDC
  598. select BOOT_ELF32
  599. select CEVT_R4K
  600. select CSRC_R4K
  601. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  602. select DMA_NONCOHERENT
  603. select GENERIC_ISA_DMA
  604. select HAVE_PCSPKR_PLATFORM
  605. select HW_HAS_EISA
  606. select HW_HAS_PCI
  607. select IRQ_CPU
  608. select I8253
  609. select I8259
  610. select ISA
  611. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  612. select SYS_HAS_CPU_R4X00
  613. select SYS_HAS_CPU_R5000
  614. select SYS_HAS_CPU_R10000
  615. select R5000_CPU_SCACHE
  616. select SYS_HAS_EARLY_PRINTK
  617. select SYS_SUPPORTS_32BIT_KERNEL
  618. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  619. select SYS_SUPPORTS_BIG_ENDIAN
  620. select SYS_SUPPORTS_HIGHMEM
  621. select SYS_SUPPORTS_LITTLE_ENDIAN
  622. help
  623. The SNI RM200/300/400 are MIPS-based machines manufactured by
  624. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  625. Technology and now in turn merged with Fujitsu. Say Y here to
  626. support this machine type.
  627. config MACH_TX39XX
  628. bool "Toshiba TX39 series based machines"
  629. config MACH_TX49XX
  630. bool "Toshiba TX49 series based machines"
  631. config MIKROTIK_RB532
  632. bool "Mikrotik RB532 boards"
  633. select CEVT_R4K
  634. select CSRC_R4K
  635. select DMA_NONCOHERENT
  636. select HW_HAS_PCI
  637. select IRQ_CPU
  638. select SYS_HAS_CPU_MIPS32_R1
  639. select SYS_SUPPORTS_32BIT_KERNEL
  640. select SYS_SUPPORTS_LITTLE_ENDIAN
  641. select SWAP_IO_SPACE
  642. select BOOT_RAW
  643. select ARCH_REQUIRE_GPIOLIB
  644. help
  645. Support the Mikrotik(tm) RouterBoard 532 series,
  646. based on the IDT RC32434 SoC.
  647. config WR_PPMC
  648. bool "Wind River PPMC board"
  649. select CEVT_R4K
  650. select CSRC_R4K
  651. select IRQ_CPU
  652. select BOOT_ELF32
  653. select DMA_NONCOHERENT
  654. select HW_HAS_PCI
  655. select PCI_GT64XXX_PCI0
  656. select SWAP_IO_SPACE
  657. select SYS_HAS_CPU_MIPS32_R1
  658. select SYS_HAS_CPU_MIPS32_R2
  659. select SYS_HAS_CPU_MIPS64_R1
  660. select SYS_HAS_CPU_NEVADA
  661. select SYS_HAS_CPU_RM7000
  662. select SYS_SUPPORTS_32BIT_KERNEL
  663. select SYS_SUPPORTS_64BIT_KERNEL
  664. select SYS_SUPPORTS_BIG_ENDIAN
  665. select SYS_SUPPORTS_LITTLE_ENDIAN
  666. help
  667. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  668. board, which is based on GT64120 bridge chip.
  669. config CAVIUM_OCTEON_SIMULATOR
  670. bool "Cavium Networks Octeon Simulator"
  671. select CEVT_R4K
  672. select 64BIT_PHYS_ADDR
  673. select DMA_COHERENT
  674. select SYS_SUPPORTS_64BIT_KERNEL
  675. select SYS_SUPPORTS_BIG_ENDIAN
  676. select SYS_SUPPORTS_HOTPLUG_CPU
  677. select SYS_HAS_CPU_CAVIUM_OCTEON
  678. select HOLES_IN_ZONE
  679. help
  680. The Octeon simulator is software performance model of the Cavium
  681. Octeon Processor. It supports simulating Octeon processors on x86
  682. hardware.
  683. config CAVIUM_OCTEON_REFERENCE_BOARD
  684. bool "Cavium Networks Octeon reference board"
  685. select CEVT_R4K
  686. select 64BIT_PHYS_ADDR
  687. select DMA_COHERENT
  688. select SYS_SUPPORTS_64BIT_KERNEL
  689. select SYS_SUPPORTS_BIG_ENDIAN
  690. select SYS_SUPPORTS_HOTPLUG_CPU
  691. select SYS_HAS_EARLY_PRINTK
  692. select SYS_HAS_CPU_CAVIUM_OCTEON
  693. select SWAP_IO_SPACE
  694. select HW_HAS_PCI
  695. select ARCH_SUPPORTS_MSI
  696. select ZONE_DMA32
  697. select USB_ARCH_HAS_OHCI
  698. select USB_ARCH_HAS_EHCI
  699. select HOLES_IN_ZONE
  700. help
  701. This option supports all of the Octeon reference boards from Cavium
  702. Networks. It builds a kernel that dynamically determines the Octeon
  703. CPU type and supports all known board reference implementations.
  704. Some of the supported boards are:
  705. EBT3000
  706. EBH3000
  707. EBH3100
  708. Thunder
  709. Kodama
  710. Hikari
  711. Say Y here for most Octeon reference boards.
  712. config NLM_XLR_BOARD
  713. bool "Netlogic XLR/XLS based systems"
  714. depends on EXPERIMENTAL
  715. select BOOT_ELF32
  716. select NLM_COMMON
  717. select SYS_HAS_CPU_XLR
  718. select SYS_SUPPORTS_SMP
  719. select HW_HAS_PCI
  720. select SWAP_IO_SPACE
  721. select SYS_SUPPORTS_32BIT_KERNEL
  722. select SYS_SUPPORTS_64BIT_KERNEL
  723. select 64BIT_PHYS_ADDR
  724. select SYS_SUPPORTS_BIG_ENDIAN
  725. select SYS_SUPPORTS_HIGHMEM
  726. select DMA_COHERENT
  727. select NR_CPUS_DEFAULT_32
  728. select CEVT_R4K
  729. select CSRC_R4K
  730. select IRQ_CPU
  731. select ARCH_SUPPORTS_MSI
  732. select ZONE_DMA if 64BIT
  733. select SYNC_R4K
  734. select SYS_HAS_EARLY_PRINTK
  735. help
  736. Support for systems based on Netlogic XLR and XLS processors.
  737. Say Y here if you have a XLR or XLS based board.
  738. config NLM_XLP_BOARD
  739. bool "Netlogic XLP based systems"
  740. depends on EXPERIMENTAL
  741. select BOOT_ELF32
  742. select NLM_COMMON
  743. select SYS_HAS_CPU_XLP
  744. select SYS_SUPPORTS_SMP
  745. select HW_HAS_PCI
  746. select SWAP_IO_SPACE
  747. select SYS_SUPPORTS_32BIT_KERNEL
  748. select SYS_SUPPORTS_64BIT_KERNEL
  749. select 64BIT_PHYS_ADDR
  750. select SYS_SUPPORTS_BIG_ENDIAN
  751. select SYS_SUPPORTS_LITTLE_ENDIAN
  752. select SYS_SUPPORTS_HIGHMEM
  753. select DMA_COHERENT
  754. select NR_CPUS_DEFAULT_32
  755. select CEVT_R4K
  756. select CSRC_R4K
  757. select IRQ_CPU
  758. select ZONE_DMA if 64BIT
  759. select SYNC_R4K
  760. select SYS_HAS_EARLY_PRINTK
  761. help
  762. This board is based on Netlogic XLP Processor.
  763. Say Y here if you have a XLP based board.
  764. endchoice
  765. source "arch/mips/alchemy/Kconfig"
  766. source "arch/mips/ath79/Kconfig"
  767. source "arch/mips/bcm47xx/Kconfig"
  768. source "arch/mips/bcm63xx/Kconfig"
  769. source "arch/mips/jazz/Kconfig"
  770. source "arch/mips/jz4740/Kconfig"
  771. source "arch/mips/lantiq/Kconfig"
  772. source "arch/mips/lasat/Kconfig"
  773. source "arch/mips/pmc-sierra/Kconfig"
  774. source "arch/mips/powertv/Kconfig"
  775. source "arch/mips/sgi-ip27/Kconfig"
  776. source "arch/mips/sibyte/Kconfig"
  777. source "arch/mips/txx9/Kconfig"
  778. source "arch/mips/vr41xx/Kconfig"
  779. source "arch/mips/cavium-octeon/Kconfig"
  780. source "arch/mips/loongson/Kconfig"
  781. source "arch/mips/netlogic/Kconfig"
  782. endmenu
  783. config RWSEM_GENERIC_SPINLOCK
  784. bool
  785. default y
  786. config RWSEM_XCHGADD_ALGORITHM
  787. bool
  788. config ARCH_HAS_ILOG2_U32
  789. bool
  790. default n
  791. config ARCH_HAS_ILOG2_U64
  792. bool
  793. default n
  794. config GENERIC_HWEIGHT
  795. bool
  796. default y
  797. config GENERIC_CALIBRATE_DELAY
  798. bool
  799. default y
  800. config GENERIC_CLOCKEVENTS
  801. bool
  802. default y
  803. config GENERIC_CMOS_UPDATE
  804. bool
  805. default y
  806. config SCHED_OMIT_FRAME_POINTER
  807. bool
  808. default y
  809. #
  810. # Select some configuration options automatically based on user selections.
  811. #
  812. config ARC
  813. bool
  814. config ARCH_MAY_HAVE_PC_FDC
  815. bool
  816. config BOOT_RAW
  817. bool
  818. config CEVT_BCM1480
  819. bool
  820. config CEVT_DS1287
  821. bool
  822. config CEVT_GT641XX
  823. bool
  824. config CEVT_R4K_LIB
  825. bool
  826. config CEVT_R4K
  827. select CEVT_R4K_LIB
  828. bool
  829. config CEVT_SB1250
  830. bool
  831. config CEVT_TXX9
  832. bool
  833. config CSRC_BCM1480
  834. bool
  835. config CSRC_IOASIC
  836. bool
  837. config CSRC_POWERTV
  838. bool
  839. config CSRC_R4K_LIB
  840. bool
  841. config CSRC_R4K
  842. select CSRC_R4K_LIB
  843. bool
  844. config CSRC_SB1250
  845. bool
  846. config GPIO_TXX9
  847. select GENERIC_GPIO
  848. select ARCH_REQUIRE_GPIOLIB
  849. bool
  850. config CFE
  851. bool
  852. config ARCH_DMA_ADDR_T_64BIT
  853. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  854. config DMA_COHERENT
  855. bool
  856. config DMA_NONCOHERENT
  857. bool
  858. select NEED_DMA_MAP_STATE
  859. config NEED_DMA_MAP_STATE
  860. bool
  861. config SYS_HAS_EARLY_PRINTK
  862. bool
  863. config HOTPLUG_CPU
  864. bool "Support for hot-pluggable CPUs"
  865. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  866. help
  867. Say Y here to allow turning CPUs off and on. CPUs can be
  868. controlled through /sys/devices/system/cpu.
  869. (Note: power management support will enable this option
  870. automatically on SMP systems. )
  871. Say N if you want to disable CPU hotplug.
  872. config SYS_SUPPORTS_HOTPLUG_CPU
  873. bool
  874. config I8259
  875. bool
  876. config MIPS_BONITO64
  877. bool
  878. config MIPS_MSC
  879. bool
  880. config MIPS_NILE4
  881. bool
  882. config MIPS_DISABLE_OBSOLETE_IDE
  883. bool
  884. config SYNC_R4K
  885. bool
  886. config MIPS_MACHINE
  887. def_bool n
  888. config NO_IOPORT
  889. def_bool n
  890. config GENERIC_ISA_DMA
  891. bool
  892. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  893. select ISA_DMA_API
  894. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  895. bool
  896. select GENERIC_ISA_DMA
  897. config ISA_DMA_API
  898. bool
  899. config GENERIC_GPIO
  900. bool
  901. config HOLES_IN_ZONE
  902. bool
  903. #
  904. # Endianess selection. Sufficiently obscure so many users don't know what to
  905. # answer,so we try hard to limit the available choices. Also the use of a
  906. # choice statement should be more obvious to the user.
  907. #
  908. choice
  909. prompt "Endianess selection"
  910. help
  911. Some MIPS machines can be configured for either little or big endian
  912. byte order. These modes require different kernels and a different
  913. Linux distribution. In general there is one preferred byteorder for a
  914. particular system but some systems are just as commonly used in the
  915. one or the other endianness.
  916. config CPU_BIG_ENDIAN
  917. bool "Big endian"
  918. depends on SYS_SUPPORTS_BIG_ENDIAN
  919. config CPU_LITTLE_ENDIAN
  920. bool "Little endian"
  921. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  922. help
  923. endchoice
  924. config EXPORT_UASM
  925. bool
  926. config SYS_SUPPORTS_APM_EMULATION
  927. bool
  928. config SYS_SUPPORTS_BIG_ENDIAN
  929. bool
  930. config SYS_SUPPORTS_LITTLE_ENDIAN
  931. bool
  932. config SYS_SUPPORTS_HUGETLBFS
  933. bool
  934. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  935. default y
  936. config IRQ_CPU
  937. bool
  938. config IRQ_CPU_RM7K
  939. bool
  940. config IRQ_CPU_RM9K
  941. bool
  942. config IRQ_MSP_SLP
  943. bool
  944. config IRQ_MSP_CIC
  945. bool
  946. config IRQ_TXX9
  947. bool
  948. config IRQ_GT641XX
  949. bool
  950. config IRQ_GIC
  951. bool
  952. config MIPS_BOARDS_GEN
  953. bool
  954. config PCI_GT64XXX_PCI0
  955. bool
  956. config NO_EXCEPT_FILL
  957. bool
  958. config MIPS_RM9122
  959. bool
  960. select SERIAL_RM9000
  961. config SOC_EMMA2RH
  962. bool
  963. select CEVT_R4K
  964. select CSRC_R4K
  965. select DMA_NONCOHERENT
  966. select IRQ_CPU
  967. select SWAP_IO_SPACE
  968. select SYS_HAS_CPU_R5500
  969. select SYS_SUPPORTS_32BIT_KERNEL
  970. select SYS_SUPPORTS_64BIT_KERNEL
  971. select SYS_SUPPORTS_BIG_ENDIAN
  972. config SOC_PNX833X
  973. bool
  974. select CEVT_R4K
  975. select CSRC_R4K
  976. select IRQ_CPU
  977. select DMA_NONCOHERENT
  978. select SYS_HAS_CPU_MIPS32_R2
  979. select SYS_SUPPORTS_32BIT_KERNEL
  980. select SYS_SUPPORTS_LITTLE_ENDIAN
  981. select SYS_SUPPORTS_BIG_ENDIAN
  982. select GENERIC_GPIO
  983. select CPU_MIPSR2_IRQ_VI
  984. config SOC_PNX8335
  985. bool
  986. select SOC_PNX833X
  987. config PNX8550
  988. bool
  989. select SOC_PNX8550
  990. config SOC_PNX8550
  991. bool
  992. select DMA_NONCOHERENT
  993. select HW_HAS_PCI
  994. select SYS_HAS_CPU_MIPS32_R1
  995. select SYS_HAS_EARLY_PRINTK
  996. select SYS_SUPPORTS_32BIT_KERNEL
  997. select GENERIC_GPIO
  998. config SWAP_IO_SPACE
  999. bool
  1000. config SERIAL_RM9000
  1001. bool
  1002. config SGI_HAS_INDYDOG
  1003. bool
  1004. config SGI_HAS_HAL2
  1005. bool
  1006. config SGI_HAS_SEEQ
  1007. bool
  1008. config SGI_HAS_WD93
  1009. bool
  1010. config SGI_HAS_ZILOG
  1011. bool
  1012. config SGI_HAS_I8042
  1013. bool
  1014. config DEFAULT_SGI_PARTITION
  1015. bool
  1016. config ARC32
  1017. bool
  1018. config SNIPROM
  1019. bool
  1020. config BOOT_ELF32
  1021. bool
  1022. config MIPS_L1_CACHE_SHIFT
  1023. int
  1024. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1025. default "6" if MIPS_CPU_SCACHE
  1026. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1027. default "5"
  1028. config HAVE_STD_PC_SERIAL_PORT
  1029. bool
  1030. config ARC_CONSOLE
  1031. bool "ARC console support"
  1032. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1033. config ARC_MEMORY
  1034. bool
  1035. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1036. default y
  1037. config ARC_PROMLIB
  1038. bool
  1039. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1040. default y
  1041. config ARC64
  1042. bool
  1043. config BOOT_ELF64
  1044. bool
  1045. menu "CPU selection"
  1046. choice
  1047. prompt "CPU type"
  1048. default CPU_R4X00
  1049. config CPU_LOONGSON2E
  1050. bool "Loongson 2E"
  1051. depends on SYS_HAS_CPU_LOONGSON2E
  1052. select CPU_LOONGSON2
  1053. help
  1054. The Loongson 2E processor implements the MIPS III instruction set
  1055. with many extensions.
  1056. It has an internal FPGA northbridge, which is compatible to
  1057. bonito64.
  1058. config CPU_LOONGSON2F
  1059. bool "Loongson 2F"
  1060. depends on SYS_HAS_CPU_LOONGSON2F
  1061. select CPU_LOONGSON2
  1062. select GENERIC_GPIO
  1063. select ARCH_REQUIRE_GPIOLIB
  1064. help
  1065. The Loongson 2F processor implements the MIPS III instruction set
  1066. with many extensions.
  1067. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1068. have a similar programming interface with FPGA northbridge used in
  1069. Loongson2E.
  1070. config CPU_MIPS32_R1
  1071. bool "MIPS32 Release 1"
  1072. depends on SYS_HAS_CPU_MIPS32_R1
  1073. select CPU_HAS_PREFETCH
  1074. select CPU_SUPPORTS_32BIT_KERNEL
  1075. select CPU_SUPPORTS_HIGHMEM
  1076. help
  1077. Choose this option to build a kernel for release 1 or later of the
  1078. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1079. MIPS processor are based on a MIPS32 processor. If you know the
  1080. specific type of processor in your system, choose those that one
  1081. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1082. Release 2 of the MIPS32 architecture is available since several
  1083. years so chances are you even have a MIPS32 Release 2 processor
  1084. in which case you should choose CPU_MIPS32_R2 instead for better
  1085. performance.
  1086. config CPU_MIPS32_R2
  1087. bool "MIPS32 Release 2"
  1088. depends on SYS_HAS_CPU_MIPS32_R2
  1089. select CPU_HAS_PREFETCH
  1090. select CPU_SUPPORTS_32BIT_KERNEL
  1091. select CPU_SUPPORTS_HIGHMEM
  1092. help
  1093. Choose this option to build a kernel for release 2 or later of the
  1094. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1095. MIPS processor are based on a MIPS32 processor. If you know the
  1096. specific type of processor in your system, choose those that one
  1097. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1098. config CPU_MIPS64_R1
  1099. bool "MIPS64 Release 1"
  1100. depends on SYS_HAS_CPU_MIPS64_R1
  1101. select CPU_HAS_PREFETCH
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_64BIT_KERNEL
  1104. select CPU_SUPPORTS_HIGHMEM
  1105. select CPU_SUPPORTS_HUGEPAGES
  1106. help
  1107. Choose this option to build a kernel for release 1 or later of the
  1108. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1109. MIPS processor are based on a MIPS64 processor. If you know the
  1110. specific type of processor in your system, choose those that one
  1111. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1112. Release 2 of the MIPS64 architecture is available since several
  1113. years so chances are you even have a MIPS64 Release 2 processor
  1114. in which case you should choose CPU_MIPS64_R2 instead for better
  1115. performance.
  1116. config CPU_MIPS64_R2
  1117. bool "MIPS64 Release 2"
  1118. depends on SYS_HAS_CPU_MIPS64_R2
  1119. select CPU_HAS_PREFETCH
  1120. select CPU_SUPPORTS_32BIT_KERNEL
  1121. select CPU_SUPPORTS_64BIT_KERNEL
  1122. select CPU_SUPPORTS_HIGHMEM
  1123. select CPU_SUPPORTS_HUGEPAGES
  1124. help
  1125. Choose this option to build a kernel for release 2 or later of the
  1126. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1127. MIPS processor are based on a MIPS64 processor. If you know the
  1128. specific type of processor in your system, choose those that one
  1129. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1130. config CPU_R3000
  1131. bool "R3000"
  1132. depends on SYS_HAS_CPU_R3000
  1133. select CPU_HAS_WB
  1134. select CPU_SUPPORTS_32BIT_KERNEL
  1135. select CPU_SUPPORTS_HIGHMEM
  1136. help
  1137. Please make sure to pick the right CPU type. Linux/MIPS is not
  1138. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1139. *not* work on R4000 machines and vice versa. However, since most
  1140. of the supported machines have an R4000 (or similar) CPU, R4x00
  1141. might be a safe bet. If the resulting kernel does not work,
  1142. try to recompile with R3000.
  1143. config CPU_TX39XX
  1144. bool "R39XX"
  1145. depends on SYS_HAS_CPU_TX39XX
  1146. select CPU_SUPPORTS_32BIT_KERNEL
  1147. config CPU_VR41XX
  1148. bool "R41xx"
  1149. depends on SYS_HAS_CPU_VR41XX
  1150. select CPU_SUPPORTS_32BIT_KERNEL
  1151. select CPU_SUPPORTS_64BIT_KERNEL
  1152. help
  1153. The options selects support for the NEC VR4100 series of processors.
  1154. Only choose this option if you have one of these processors as a
  1155. kernel built with this option will not run on any other type of
  1156. processor or vice versa.
  1157. config CPU_R4300
  1158. bool "R4300"
  1159. depends on SYS_HAS_CPU_R4300
  1160. select CPU_SUPPORTS_32BIT_KERNEL
  1161. select CPU_SUPPORTS_64BIT_KERNEL
  1162. help
  1163. MIPS Technologies R4300-series processors.
  1164. config CPU_R4X00
  1165. bool "R4x00"
  1166. depends on SYS_HAS_CPU_R4X00
  1167. select CPU_SUPPORTS_32BIT_KERNEL
  1168. select CPU_SUPPORTS_64BIT_KERNEL
  1169. help
  1170. MIPS Technologies R4000-series processors other than 4300, including
  1171. the R4000, R4400, R4600, and 4700.
  1172. config CPU_TX49XX
  1173. bool "R49XX"
  1174. depends on SYS_HAS_CPU_TX49XX
  1175. select CPU_HAS_PREFETCH
  1176. select CPU_SUPPORTS_32BIT_KERNEL
  1177. select CPU_SUPPORTS_64BIT_KERNEL
  1178. config CPU_R5000
  1179. bool "R5000"
  1180. depends on SYS_HAS_CPU_R5000
  1181. select CPU_SUPPORTS_32BIT_KERNEL
  1182. select CPU_SUPPORTS_64BIT_KERNEL
  1183. help
  1184. MIPS Technologies R5000-series processors other than the Nevada.
  1185. config CPU_R5432
  1186. bool "R5432"
  1187. depends on SYS_HAS_CPU_R5432
  1188. select CPU_SUPPORTS_32BIT_KERNEL
  1189. select CPU_SUPPORTS_64BIT_KERNEL
  1190. config CPU_R5500
  1191. bool "R5500"
  1192. depends on SYS_HAS_CPU_R5500
  1193. select CPU_SUPPORTS_32BIT_KERNEL
  1194. select CPU_SUPPORTS_64BIT_KERNEL
  1195. select CPU_SUPPORTS_HUGEPAGES
  1196. help
  1197. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1198. instruction set.
  1199. config CPU_R6000
  1200. bool "R6000"
  1201. depends on EXPERIMENTAL
  1202. depends on SYS_HAS_CPU_R6000
  1203. select CPU_SUPPORTS_32BIT_KERNEL
  1204. help
  1205. MIPS Technologies R6000 and R6000A series processors. Note these
  1206. processors are extremely rare and the support for them is incomplete.
  1207. config CPU_NEVADA
  1208. bool "RM52xx"
  1209. depends on SYS_HAS_CPU_NEVADA
  1210. select CPU_SUPPORTS_32BIT_KERNEL
  1211. select CPU_SUPPORTS_64BIT_KERNEL
  1212. help
  1213. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1214. config CPU_R8000
  1215. bool "R8000"
  1216. depends on EXPERIMENTAL
  1217. depends on SYS_HAS_CPU_R8000
  1218. select CPU_HAS_PREFETCH
  1219. select CPU_SUPPORTS_64BIT_KERNEL
  1220. help
  1221. MIPS Technologies R8000 processors. Note these processors are
  1222. uncommon and the support for them is incomplete.
  1223. config CPU_R10000
  1224. bool "R10000"
  1225. depends on SYS_HAS_CPU_R10000
  1226. select CPU_HAS_PREFETCH
  1227. select CPU_SUPPORTS_32BIT_KERNEL
  1228. select CPU_SUPPORTS_64BIT_KERNEL
  1229. select CPU_SUPPORTS_HIGHMEM
  1230. help
  1231. MIPS Technologies R10000-series processors.
  1232. config CPU_RM7000
  1233. bool "RM7000"
  1234. depends on SYS_HAS_CPU_RM7000
  1235. select CPU_HAS_PREFETCH
  1236. select CPU_SUPPORTS_32BIT_KERNEL
  1237. select CPU_SUPPORTS_64BIT_KERNEL
  1238. select CPU_SUPPORTS_HIGHMEM
  1239. config CPU_RM9000
  1240. bool "RM9000"
  1241. depends on SYS_HAS_CPU_RM9000
  1242. select CPU_HAS_PREFETCH
  1243. select CPU_SUPPORTS_32BIT_KERNEL
  1244. select CPU_SUPPORTS_64BIT_KERNEL
  1245. select CPU_SUPPORTS_HIGHMEM
  1246. select WEAK_ORDERING
  1247. config CPU_SB1
  1248. bool "SB1"
  1249. depends on SYS_HAS_CPU_SB1
  1250. select CPU_SUPPORTS_32BIT_KERNEL
  1251. select CPU_SUPPORTS_64BIT_KERNEL
  1252. select CPU_SUPPORTS_HIGHMEM
  1253. select WEAK_ORDERING
  1254. config CPU_CAVIUM_OCTEON
  1255. bool "Cavium Octeon processor"
  1256. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1257. select CPU_HAS_PREFETCH
  1258. select CPU_SUPPORTS_64BIT_KERNEL
  1259. select SYS_SUPPORTS_SMP
  1260. select NR_CPUS_DEFAULT_16
  1261. select WEAK_ORDERING
  1262. select CPU_SUPPORTS_HIGHMEM
  1263. select CPU_SUPPORTS_HUGEPAGES
  1264. help
  1265. The Cavium Octeon processor is a highly integrated chip containing
  1266. many ethernet hardware widgets for networking tasks. The processor
  1267. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1268. Full details can be found at http://www.caviumnetworks.com.
  1269. config CPU_BMIPS3300
  1270. bool "BMIPS3300"
  1271. depends on SYS_HAS_CPU_BMIPS3300
  1272. select CPU_BMIPS
  1273. help
  1274. Broadcom BMIPS3300 processors.
  1275. config CPU_BMIPS4350
  1276. bool "BMIPS4350"
  1277. depends on SYS_HAS_CPU_BMIPS4350
  1278. select CPU_BMIPS
  1279. select SYS_SUPPORTS_SMP
  1280. select SYS_SUPPORTS_HOTPLUG_CPU
  1281. help
  1282. Broadcom BMIPS4350 ("VIPER") processors.
  1283. config CPU_BMIPS4380
  1284. bool "BMIPS4380"
  1285. depends on SYS_HAS_CPU_BMIPS4380
  1286. select CPU_BMIPS
  1287. select SYS_SUPPORTS_SMP
  1288. select SYS_SUPPORTS_HOTPLUG_CPU
  1289. help
  1290. Broadcom BMIPS4380 processors.
  1291. config CPU_BMIPS5000
  1292. bool "BMIPS5000"
  1293. depends on SYS_HAS_CPU_BMIPS5000
  1294. select CPU_BMIPS
  1295. select CPU_SUPPORTS_HIGHMEM
  1296. select MIPS_CPU_SCACHE
  1297. select SYS_SUPPORTS_SMP
  1298. select SYS_SUPPORTS_HOTPLUG_CPU
  1299. help
  1300. Broadcom BMIPS5000 processors.
  1301. config CPU_XLR
  1302. bool "Netlogic XLR SoC"
  1303. depends on SYS_HAS_CPU_XLR
  1304. select CPU_SUPPORTS_32BIT_KERNEL
  1305. select CPU_SUPPORTS_64BIT_KERNEL
  1306. select CPU_SUPPORTS_HIGHMEM
  1307. select WEAK_ORDERING
  1308. select WEAK_REORDERING_BEYOND_LLSC
  1309. select CPU_SUPPORTS_HUGEPAGES
  1310. help
  1311. Netlogic Microsystems XLR/XLS processors.
  1312. config CPU_XLP
  1313. bool "Netlogic XLP SoC"
  1314. depends on SYS_HAS_CPU_XLP
  1315. select CPU_SUPPORTS_32BIT_KERNEL
  1316. select CPU_SUPPORTS_64BIT_KERNEL
  1317. select CPU_SUPPORTS_HIGHMEM
  1318. select CPU_HAS_LLSC
  1319. select WEAK_ORDERING
  1320. select WEAK_REORDERING_BEYOND_LLSC
  1321. select CPU_HAS_PREFETCH
  1322. help
  1323. Netlogic Microsystems XLP processors.
  1324. endchoice
  1325. if CPU_LOONGSON2F
  1326. config CPU_NOP_WORKAROUNDS
  1327. bool
  1328. config CPU_JUMP_WORKAROUNDS
  1329. bool
  1330. config CPU_LOONGSON2F_WORKAROUNDS
  1331. bool "Loongson 2F Workarounds"
  1332. default y
  1333. select CPU_NOP_WORKAROUNDS
  1334. select CPU_JUMP_WORKAROUNDS
  1335. help
  1336. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1337. require workarounds. Without workarounds the system may hang
  1338. unexpectedly. For more information please refer to the gas
  1339. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1340. Loongson 2F03 and later have fixed these issues and no workarounds
  1341. are needed. The workarounds have no significant side effect on them
  1342. but may decrease the performance of the system so this option should
  1343. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1344. systems.
  1345. If unsure, please say Y.
  1346. endif # CPU_LOONGSON2F
  1347. config SYS_SUPPORTS_ZBOOT
  1348. bool
  1349. select HAVE_KERNEL_GZIP
  1350. select HAVE_KERNEL_BZIP2
  1351. select HAVE_KERNEL_LZMA
  1352. select HAVE_KERNEL_LZO
  1353. config SYS_SUPPORTS_ZBOOT_UART16550
  1354. bool
  1355. select SYS_SUPPORTS_ZBOOT
  1356. config CPU_LOONGSON2
  1357. bool
  1358. select CPU_SUPPORTS_32BIT_KERNEL
  1359. select CPU_SUPPORTS_64BIT_KERNEL
  1360. select CPU_SUPPORTS_HIGHMEM
  1361. config CPU_BMIPS
  1362. bool
  1363. select CPU_MIPS32
  1364. select CPU_SUPPORTS_32BIT_KERNEL
  1365. select DMA_NONCOHERENT
  1366. select IRQ_CPU
  1367. select SWAP_IO_SPACE
  1368. select WEAK_ORDERING
  1369. config SYS_HAS_CPU_LOONGSON2E
  1370. bool
  1371. config SYS_HAS_CPU_LOONGSON2F
  1372. bool
  1373. select CPU_SUPPORTS_CPUFREQ
  1374. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1375. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1376. config SYS_HAS_CPU_MIPS32_R1
  1377. bool
  1378. config SYS_HAS_CPU_MIPS32_R2
  1379. bool
  1380. config SYS_HAS_CPU_MIPS64_R1
  1381. bool
  1382. config SYS_HAS_CPU_MIPS64_R2
  1383. bool
  1384. config SYS_HAS_CPU_R3000
  1385. bool
  1386. config SYS_HAS_CPU_TX39XX
  1387. bool
  1388. config SYS_HAS_CPU_VR41XX
  1389. bool
  1390. config SYS_HAS_CPU_R4300
  1391. bool
  1392. config SYS_HAS_CPU_R4X00
  1393. bool
  1394. config SYS_HAS_CPU_TX49XX
  1395. bool
  1396. config SYS_HAS_CPU_R5000
  1397. bool
  1398. config SYS_HAS_CPU_R5432
  1399. bool
  1400. config SYS_HAS_CPU_R5500
  1401. bool
  1402. config SYS_HAS_CPU_R6000
  1403. bool
  1404. config SYS_HAS_CPU_NEVADA
  1405. bool
  1406. config SYS_HAS_CPU_R8000
  1407. bool
  1408. config SYS_HAS_CPU_R10000
  1409. bool
  1410. config SYS_HAS_CPU_RM7000
  1411. bool
  1412. config SYS_HAS_CPU_RM9000
  1413. bool
  1414. config SYS_HAS_CPU_SB1
  1415. bool
  1416. config SYS_HAS_CPU_CAVIUM_OCTEON
  1417. bool
  1418. config SYS_HAS_CPU_BMIPS3300
  1419. bool
  1420. config SYS_HAS_CPU_BMIPS4350
  1421. bool
  1422. config SYS_HAS_CPU_BMIPS4380
  1423. bool
  1424. config SYS_HAS_CPU_BMIPS5000
  1425. bool
  1426. config SYS_HAS_CPU_XLR
  1427. bool
  1428. config SYS_HAS_CPU_XLP
  1429. bool
  1430. #
  1431. # CPU may reorder R->R, R->W, W->R, W->W
  1432. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1433. #
  1434. config WEAK_ORDERING
  1435. bool
  1436. #
  1437. # CPU may reorder reads and writes beyond LL/SC
  1438. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1439. #
  1440. config WEAK_REORDERING_BEYOND_LLSC
  1441. bool
  1442. endmenu
  1443. #
  1444. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1445. #
  1446. config CPU_MIPS32
  1447. bool
  1448. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1449. config CPU_MIPS64
  1450. bool
  1451. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1452. #
  1453. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1454. #
  1455. config CPU_MIPSR1
  1456. bool
  1457. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1458. config CPU_MIPSR2
  1459. bool
  1460. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1461. config SYS_SUPPORTS_32BIT_KERNEL
  1462. bool
  1463. config SYS_SUPPORTS_64BIT_KERNEL
  1464. bool
  1465. config CPU_SUPPORTS_32BIT_KERNEL
  1466. bool
  1467. config CPU_SUPPORTS_64BIT_KERNEL
  1468. bool
  1469. config CPU_SUPPORTS_CPUFREQ
  1470. bool
  1471. config CPU_SUPPORTS_ADDRWINCFG
  1472. bool
  1473. config CPU_SUPPORTS_HUGEPAGES
  1474. bool
  1475. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1476. bool
  1477. config MIPS_PGD_C0_CONTEXT
  1478. bool
  1479. default y if 64BIT && CPU_MIPSR2
  1480. #
  1481. # Set to y for ptrace access to watch registers.
  1482. #
  1483. config HARDWARE_WATCHPOINTS
  1484. bool
  1485. default y if CPU_MIPSR1 || CPU_MIPSR2
  1486. menu "Kernel type"
  1487. choice
  1488. prompt "Kernel code model"
  1489. help
  1490. You should only select this option if you have a workload that
  1491. actually benefits from 64-bit processing or if your machine has
  1492. large memory. You will only be presented a single option in this
  1493. menu if your system does not support both 32-bit and 64-bit kernels.
  1494. config 32BIT
  1495. bool "32-bit kernel"
  1496. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1497. select TRAD_SIGNALS
  1498. help
  1499. Select this option if you want to build a 32-bit kernel.
  1500. config 64BIT
  1501. bool "64-bit kernel"
  1502. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1503. select HAVE_SYSCALL_WRAPPERS
  1504. help
  1505. Select this option if you want to build a 64-bit kernel.
  1506. endchoice
  1507. choice
  1508. prompt "Kernel page size"
  1509. default PAGE_SIZE_4KB
  1510. config PAGE_SIZE_4KB
  1511. bool "4kB"
  1512. depends on !CPU_LOONGSON2
  1513. help
  1514. This option select the standard 4kB Linux page size. On some
  1515. R3000-family processors this is the only available page size. Using
  1516. 4kB page size will minimize memory consumption and is therefore
  1517. recommended for low memory systems.
  1518. config PAGE_SIZE_8KB
  1519. bool "8kB"
  1520. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1521. help
  1522. Using 8kB page size will result in higher performance kernel at
  1523. the price of higher memory consumption. This option is available
  1524. only on R8000 and cnMIPS processors. Note that you will need a
  1525. suitable Linux distribution to support this.
  1526. config PAGE_SIZE_16KB
  1527. bool "16kB"
  1528. depends on !CPU_R3000 && !CPU_TX39XX
  1529. help
  1530. Using 16kB page size will result in higher performance kernel at
  1531. the price of higher memory consumption. This option is available on
  1532. all non-R3000 family processors. Note that you will need a suitable
  1533. Linux distribution to support this.
  1534. config PAGE_SIZE_32KB
  1535. bool "32kB"
  1536. depends on CPU_CAVIUM_OCTEON
  1537. help
  1538. Using 32kB page size will result in higher performance kernel at
  1539. the price of higher memory consumption. This option is available
  1540. only on cnMIPS cores. Note that you will need a suitable Linux
  1541. distribution to support this.
  1542. config PAGE_SIZE_64KB
  1543. bool "64kB"
  1544. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1545. help
  1546. Using 64kB page size will result in higher performance kernel at
  1547. the price of higher memory consumption. This option is available on
  1548. all non-R3000 family processor. Not that at the time of this
  1549. writing this option is still high experimental.
  1550. endchoice
  1551. config FORCE_MAX_ZONEORDER
  1552. int "Maximum zone order"
  1553. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1554. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1555. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1556. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1557. range 11 64
  1558. default "11"
  1559. help
  1560. The kernel memory allocator divides physically contiguous memory
  1561. blocks into "zones", where each zone is a power of two number of
  1562. pages. This option selects the largest power of two that the kernel
  1563. keeps in the memory allocator. If you need to allocate very large
  1564. blocks of physically contiguous memory, then you may need to
  1565. increase this value.
  1566. This config option is actually maximum order plus one. For example,
  1567. a value of 11 means that the largest free memory block is 2^10 pages.
  1568. The page size is not necessarily 4KB. Keep this in mind
  1569. when choosing a value for this option.
  1570. config BOARD_SCACHE
  1571. bool
  1572. config IP22_CPU_SCACHE
  1573. bool
  1574. select BOARD_SCACHE
  1575. #
  1576. # Support for a MIPS32 / MIPS64 style S-caches
  1577. #
  1578. config MIPS_CPU_SCACHE
  1579. bool
  1580. select BOARD_SCACHE
  1581. config R5000_CPU_SCACHE
  1582. bool
  1583. select BOARD_SCACHE
  1584. config RM7000_CPU_SCACHE
  1585. bool
  1586. select BOARD_SCACHE
  1587. config SIBYTE_DMA_PAGEOPS
  1588. bool "Use DMA to clear/copy pages"
  1589. depends on CPU_SB1
  1590. help
  1591. Instead of using the CPU to zero and copy pages, use a Data Mover
  1592. channel. These DMA channels are otherwise unused by the standard
  1593. SiByte Linux port. Seems to give a small performance benefit.
  1594. config CPU_HAS_PREFETCH
  1595. bool
  1596. choice
  1597. prompt "MIPS MT options"
  1598. config MIPS_MT_DISABLED
  1599. bool "Disable multithreading support."
  1600. help
  1601. Use this option if your workload can't take advantage of
  1602. MIPS hardware multithreading support. On systems that don't have
  1603. the option of an MT-enabled processor this option will be the only
  1604. option in this menu.
  1605. config MIPS_MT_SMP
  1606. bool "Use 1 TC on each available VPE for SMP"
  1607. depends on SYS_SUPPORTS_MULTITHREADING
  1608. select CPU_MIPSR2_IRQ_VI
  1609. select CPU_MIPSR2_IRQ_EI
  1610. select MIPS_MT
  1611. select NR_CPUS_DEFAULT_2
  1612. select SMP
  1613. select SYS_SUPPORTS_SCHED_SMT if SMP
  1614. select SYS_SUPPORTS_SMP
  1615. select SMP_UP
  1616. help
  1617. This is a kernel model which is known a VSMP but lately has been
  1618. marketesed into SMVP.
  1619. Virtual SMP uses the processor's VPEs to implement virtual
  1620. processors. In currently available configuration of the 34K processor
  1621. this allows for a dual processor. Both processors will share the same
  1622. primary caches; each will obtain the half of the TLB for it's own
  1623. exclusive use. For a layman this model can be described as similar to
  1624. what Intel calls Hyperthreading.
  1625. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1626. config MIPS_MT_SMTC
  1627. bool "SMTC: Use all TCs on all VPEs for SMP"
  1628. depends on CPU_MIPS32_R2
  1629. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1630. depends on SYS_SUPPORTS_MULTITHREADING
  1631. select CPU_MIPSR2_IRQ_VI
  1632. select CPU_MIPSR2_IRQ_EI
  1633. select MIPS_MT
  1634. select NR_CPUS_DEFAULT_8
  1635. select SMP
  1636. select SYS_SUPPORTS_SMP
  1637. select SMP_UP
  1638. help
  1639. This is a kernel model which is known a SMTC or lately has been
  1640. marketesed into SMVP.
  1641. is presenting the available TC's of the core as processors to Linux.
  1642. On currently available 34K processors this means a Linux system will
  1643. see up to 5 processors. The implementation of the SMTC kernel differs
  1644. significantly from VSMP and cannot efficiently coexist in the same
  1645. kernel binary so the choice between VSMP and SMTC is a compile time
  1646. decision.
  1647. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1648. endchoice
  1649. config MIPS_MT
  1650. bool
  1651. config SCHED_SMT
  1652. bool "SMT (multithreading) scheduler support"
  1653. depends on SYS_SUPPORTS_SCHED_SMT
  1654. default n
  1655. help
  1656. SMT scheduler support improves the CPU scheduler's decision making
  1657. when dealing with MIPS MT enabled cores at a cost of slightly
  1658. increased overhead in some places. If unsure say N here.
  1659. config SYS_SUPPORTS_SCHED_SMT
  1660. bool
  1661. config SYS_SUPPORTS_MULTITHREADING
  1662. bool
  1663. config MIPS_MT_FPAFF
  1664. bool "Dynamic FPU affinity for FP-intensive threads"
  1665. default y
  1666. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1667. config MIPS_VPE_LOADER
  1668. bool "VPE loader support."
  1669. depends on SYS_SUPPORTS_MULTITHREADING
  1670. select CPU_MIPSR2_IRQ_VI
  1671. select CPU_MIPSR2_IRQ_EI
  1672. select MIPS_MT
  1673. help
  1674. Includes a loader for loading an elf relocatable object
  1675. onto another VPE and running it.
  1676. config MIPS_MT_SMTC_IM_BACKSTOP
  1677. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1678. depends on MIPS_MT_SMTC
  1679. default n
  1680. help
  1681. To support multiple TC microthreads acting as "CPUs" within
  1682. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1683. during interrupt handling. To support legacy drivers and interrupt
  1684. controller management code, SMTC has a "backstop" to track and
  1685. if necessary restore the interrupt mask. This has some performance
  1686. impact on interrupt service overhead.
  1687. config MIPS_MT_SMTC_IRQAFF
  1688. bool "Support IRQ affinity API"
  1689. depends on MIPS_MT_SMTC
  1690. default n
  1691. help
  1692. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1693. for SMTC Linux kernel. Requires platform support, of which
  1694. an example can be found in the MIPS kernel i8259 and Malta
  1695. platform code. Adds some overhead to interrupt dispatch, and
  1696. should be used only if you know what you are doing.
  1697. config MIPS_VPE_LOADER_TOM
  1698. bool "Load VPE program into memory hidden from linux"
  1699. depends on MIPS_VPE_LOADER
  1700. default y
  1701. help
  1702. The loader can use memory that is present but has been hidden from
  1703. Linux using the kernel command line option "mem=xxMB". It's up to
  1704. you to ensure the amount you put in the option and the space your
  1705. program requires is less or equal to the amount physically present.
  1706. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1707. config MIPS_VPE_APSP_API
  1708. bool "Enable support for AP/SP API (RTLX)"
  1709. depends on MIPS_VPE_LOADER
  1710. help
  1711. config MIPS_APSP_KSPD
  1712. bool "Enable KSPD"
  1713. depends on MIPS_VPE_APSP_API
  1714. default y
  1715. help
  1716. KSPD is a kernel daemon that accepts syscall requests from the SP
  1717. side, actions them and returns the results. It also handles the
  1718. "exit" syscall notifying other kernel modules the SP program is
  1719. exiting. You probably want to say yes here.
  1720. config MIPS_CMP
  1721. bool "MIPS CMP framework support"
  1722. depends on SYS_SUPPORTS_MIPS_CMP
  1723. select SYNC_R4K
  1724. select SYS_SUPPORTS_SMP
  1725. select SYS_SUPPORTS_SCHED_SMT if SMP
  1726. select WEAK_ORDERING
  1727. default n
  1728. help
  1729. This is a placeholder option for the GCMP work. It will need to
  1730. be handled differently...
  1731. config SB1_PASS_1_WORKAROUNDS
  1732. bool
  1733. depends on CPU_SB1_PASS_1
  1734. default y
  1735. config SB1_PASS_2_WORKAROUNDS
  1736. bool
  1737. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1738. default y
  1739. config SB1_PASS_2_1_WORKAROUNDS
  1740. bool
  1741. depends on CPU_SB1 && CPU_SB1_PASS_2
  1742. default y
  1743. config 64BIT_PHYS_ADDR
  1744. bool
  1745. config ARCH_PHYS_ADDR_T_64BIT
  1746. def_bool 64BIT_PHYS_ADDR
  1747. config CPU_HAS_SMARTMIPS
  1748. depends on SYS_SUPPORTS_SMARTMIPS
  1749. bool "Support for the SmartMIPS ASE"
  1750. help
  1751. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1752. increased security at both hardware and software level for
  1753. smartcards. Enabling this option will allow proper use of the
  1754. SmartMIPS instructions by Linux applications. However a kernel with
  1755. this option will not work on a MIPS core without SmartMIPS core. If
  1756. you don't know you probably don't have SmartMIPS and should say N
  1757. here.
  1758. config CPU_HAS_WB
  1759. bool
  1760. config XKS01
  1761. bool
  1762. #
  1763. # Vectored interrupt mode is an R2 feature
  1764. #
  1765. config CPU_MIPSR2_IRQ_VI
  1766. bool
  1767. #
  1768. # Extended interrupt mode is an R2 feature
  1769. #
  1770. config CPU_MIPSR2_IRQ_EI
  1771. bool
  1772. config CPU_HAS_SYNC
  1773. bool
  1774. depends on !CPU_R3000
  1775. default y
  1776. config GENERIC_CLOCKEVENTS_BROADCAST
  1777. bool
  1778. #
  1779. # CPU non-features
  1780. #
  1781. config CPU_DADDI_WORKAROUNDS
  1782. bool
  1783. config CPU_R4000_WORKAROUNDS
  1784. bool
  1785. select CPU_R4400_WORKAROUNDS
  1786. config CPU_R4400_WORKAROUNDS
  1787. bool
  1788. #
  1789. # - Highmem only makes sense for the 32-bit kernel.
  1790. # - The current highmem code will only work properly on physically indexed
  1791. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1792. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1793. # moment we protect the user and offer the highmem option only on machines
  1794. # where it's known to be safe. This will not offer highmem on a few systems
  1795. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1796. # indexed CPUs but we're playing safe.
  1797. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1798. # know they might have memory configurations that could make use of highmem
  1799. # support.
  1800. #
  1801. config HIGHMEM
  1802. bool "High Memory Support"
  1803. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1804. config CPU_SUPPORTS_HIGHMEM
  1805. bool
  1806. config SYS_SUPPORTS_HIGHMEM
  1807. bool
  1808. config SYS_SUPPORTS_SMARTMIPS
  1809. bool
  1810. config ARCH_FLATMEM_ENABLE
  1811. def_bool y
  1812. depends on !NUMA && !CPU_LOONGSON2
  1813. config ARCH_DISCONTIGMEM_ENABLE
  1814. bool
  1815. default y if SGI_IP27
  1816. help
  1817. Say Y to support efficient handling of discontiguous physical memory,
  1818. for architectures which are either NUMA (Non-Uniform Memory Access)
  1819. or have huge holes in the physical address space for other reasons.
  1820. See <file:Documentation/vm/numa> for more.
  1821. config ARCH_SPARSEMEM_ENABLE
  1822. bool
  1823. select SPARSEMEM_STATIC
  1824. config NUMA
  1825. bool "NUMA Support"
  1826. depends on SYS_SUPPORTS_NUMA
  1827. help
  1828. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1829. Access). This option improves performance on systems with more
  1830. than two nodes; on two node systems it is generally better to
  1831. leave it disabled; on single node systems disable this option
  1832. disabled.
  1833. config SYS_SUPPORTS_NUMA
  1834. bool
  1835. config NODES_SHIFT
  1836. int
  1837. default "6"
  1838. depends on NEED_MULTIPLE_NODES
  1839. config HW_PERF_EVENTS
  1840. bool "Enable hardware performance counter support for perf events"
  1841. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1842. default y
  1843. help
  1844. Enable hardware performance counter support for perf events. If
  1845. disabled, perf events will use software events only.
  1846. source "mm/Kconfig"
  1847. config SMP
  1848. bool "Multi-Processing support"
  1849. depends on SYS_SUPPORTS_SMP
  1850. select IRQ_PER_CPU
  1851. select USE_GENERIC_SMP_HELPERS
  1852. help
  1853. This enables support for systems with more than one CPU. If you have
  1854. a system with only one CPU, like most personal computers, say N. If
  1855. you have a system with more than one CPU, say Y.
  1856. If you say N here, the kernel will run on single and multiprocessor
  1857. machines, but will use only one CPU of a multiprocessor machine. If
  1858. you say Y here, the kernel will run on many, but not all,
  1859. singleprocessor machines. On a singleprocessor machine, the kernel
  1860. will run faster if you say N here.
  1861. People using multiprocessor machines who say Y here should also say
  1862. Y to "Enhanced Real Time Clock Support", below.
  1863. See also the SMP-HOWTO available at
  1864. <http://www.tldp.org/docs.html#howto>.
  1865. If you don't know what to do here, say N.
  1866. config SMP_UP
  1867. bool
  1868. config SYS_SUPPORTS_MIPS_CMP
  1869. bool
  1870. config SYS_SUPPORTS_SMP
  1871. bool
  1872. config NR_CPUS_DEFAULT_1
  1873. bool
  1874. config NR_CPUS_DEFAULT_2
  1875. bool
  1876. config NR_CPUS_DEFAULT_4
  1877. bool
  1878. config NR_CPUS_DEFAULT_8
  1879. bool
  1880. config NR_CPUS_DEFAULT_16
  1881. bool
  1882. config NR_CPUS_DEFAULT_32
  1883. bool
  1884. config NR_CPUS_DEFAULT_64
  1885. bool
  1886. config NR_CPUS
  1887. int "Maximum number of CPUs (2-64)"
  1888. range 1 64 if NR_CPUS_DEFAULT_1
  1889. depends on SMP
  1890. default "1" if NR_CPUS_DEFAULT_1
  1891. default "2" if NR_CPUS_DEFAULT_2
  1892. default "4" if NR_CPUS_DEFAULT_4
  1893. default "8" if NR_CPUS_DEFAULT_8
  1894. default "16" if NR_CPUS_DEFAULT_16
  1895. default "32" if NR_CPUS_DEFAULT_32
  1896. default "64" if NR_CPUS_DEFAULT_64
  1897. help
  1898. This allows you to specify the maximum number of CPUs which this
  1899. kernel will support. The maximum supported value is 32 for 32-bit
  1900. kernel and 64 for 64-bit kernels; the minimum value which makes
  1901. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1902. and 2 for all others.
  1903. This is purely to save memory - each supported CPU adds
  1904. approximately eight kilobytes to the kernel image. For best
  1905. performance should round up your number of processors to the next
  1906. power of two.
  1907. source "kernel/time/Kconfig"
  1908. #
  1909. # Timer Interrupt Frequency Configuration
  1910. #
  1911. choice
  1912. prompt "Timer frequency"
  1913. default HZ_250
  1914. help
  1915. Allows the configuration of the timer frequency.
  1916. config HZ_48
  1917. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1918. config HZ_100
  1919. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1920. config HZ_128
  1921. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1922. config HZ_250
  1923. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1924. config HZ_256
  1925. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1926. config HZ_1000
  1927. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1928. config HZ_1024
  1929. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1930. endchoice
  1931. config SYS_SUPPORTS_48HZ
  1932. bool
  1933. config SYS_SUPPORTS_100HZ
  1934. bool
  1935. config SYS_SUPPORTS_128HZ
  1936. bool
  1937. config SYS_SUPPORTS_250HZ
  1938. bool
  1939. config SYS_SUPPORTS_256HZ
  1940. bool
  1941. config SYS_SUPPORTS_1000HZ
  1942. bool
  1943. config SYS_SUPPORTS_1024HZ
  1944. bool
  1945. config SYS_SUPPORTS_ARBIT_HZ
  1946. bool
  1947. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1948. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1949. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1950. !SYS_SUPPORTS_1024HZ
  1951. config HZ
  1952. int
  1953. default 48 if HZ_48
  1954. default 100 if HZ_100
  1955. default 128 if HZ_128
  1956. default 250 if HZ_250
  1957. default 256 if HZ_256
  1958. default 1000 if HZ_1000
  1959. default 1024 if HZ_1024
  1960. source "kernel/Kconfig.preempt"
  1961. config KEXEC
  1962. bool "Kexec system call (EXPERIMENTAL)"
  1963. depends on EXPERIMENTAL
  1964. help
  1965. kexec is a system call that implements the ability to shutdown your
  1966. current kernel, and to start another kernel. It is like a reboot
  1967. but it is independent of the system firmware. And like a reboot
  1968. you can start any kernel with it, not just Linux.
  1969. The name comes from the similarity to the exec system call.
  1970. It is an ongoing process to be certain the hardware in a machine
  1971. is properly shutdown, so do not be surprised if this code does not
  1972. initially work for you. It may help to enable device hotplugging
  1973. support. As of this writing the exact hardware interface is
  1974. strongly in flux, so no good recommendation can be made.
  1975. config SECCOMP
  1976. bool "Enable seccomp to safely compute untrusted bytecode"
  1977. depends on PROC_FS
  1978. default y
  1979. help
  1980. This kernel feature is useful for number crunching applications
  1981. that may need to compute untrusted bytecode during their
  1982. execution. By using pipes or other transports made available to
  1983. the process as file descriptors supporting the read/write
  1984. syscalls, it's possible to isolate those applications in
  1985. their own address space using seccomp. Once seccomp is
  1986. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1987. and the task is only allowed to execute a few safe syscalls
  1988. defined by each seccomp mode.
  1989. If unsure, say Y. Only embedded should say N here.
  1990. config USE_OF
  1991. bool "Flattened Device Tree support"
  1992. select OF
  1993. select OF_EARLY_FLATTREE
  1994. select IRQ_DOMAIN
  1995. help
  1996. Include support for flattened device tree machine descriptions.
  1997. endmenu
  1998. config LOCKDEP_SUPPORT
  1999. bool
  2000. default y
  2001. config STACKTRACE_SUPPORT
  2002. bool
  2003. default y
  2004. source "init/Kconfig"
  2005. source "kernel/Kconfig.freezer"
  2006. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2007. config HW_HAS_EISA
  2008. bool
  2009. config HW_HAS_PCI
  2010. bool
  2011. config PCI
  2012. bool "Support for PCI controller"
  2013. depends on HW_HAS_PCI
  2014. select PCI_DOMAINS
  2015. select NO_GENERIC_PCI_IOPORT_MAP
  2016. help
  2017. Find out whether you have a PCI motherboard. PCI is the name of a
  2018. bus system, i.e. the way the CPU talks to the other stuff inside
  2019. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2020. say Y, otherwise N.
  2021. config PCI_DOMAINS
  2022. bool
  2023. source "drivers/pci/Kconfig"
  2024. #
  2025. # ISA support is now enabled via select. Too many systems still have the one
  2026. # or other ISA chip on the board that users don't know about so don't expect
  2027. # users to choose the right thing ...
  2028. #
  2029. config ISA
  2030. bool
  2031. config EISA
  2032. bool "EISA support"
  2033. depends on HW_HAS_EISA
  2034. select ISA
  2035. select GENERIC_ISA_DMA
  2036. ---help---
  2037. The Extended Industry Standard Architecture (EISA) bus was
  2038. developed as an open alternative to the IBM MicroChannel bus.
  2039. The EISA bus provided some of the features of the IBM MicroChannel
  2040. bus while maintaining backward compatibility with cards made for
  2041. the older ISA bus. The EISA bus saw limited use between 1988 and
  2042. 1995 when it was made obsolete by the PCI bus.
  2043. Say Y here if you are building a kernel for an EISA-based machine.
  2044. Otherwise, say N.
  2045. source "drivers/eisa/Kconfig"
  2046. config TC
  2047. bool "TURBOchannel support"
  2048. depends on MACH_DECSTATION
  2049. help
  2050. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2051. processors. TURBOchannel programming specifications are available
  2052. at:
  2053. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2054. and:
  2055. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2056. Linux driver support status is documented at:
  2057. <http://www.linux-mips.org/wiki/DECstation>
  2058. config MMU
  2059. bool
  2060. default y
  2061. config I8253
  2062. bool
  2063. select CLKSRC_I8253
  2064. select CLKEVT_I8253
  2065. select MIPS_EXTERNAL_TIMER
  2066. config ZONE_DMA32
  2067. bool
  2068. source "drivers/pcmcia/Kconfig"
  2069. source "drivers/pci/hotplug/Kconfig"
  2070. config RAPIDIO
  2071. bool "RapidIO support"
  2072. depends on PCI
  2073. default n
  2074. help
  2075. If you say Y here, the kernel will include drivers and
  2076. infrastructure code to support RapidIO interconnect devices.
  2077. source "drivers/rapidio/Kconfig"
  2078. endmenu
  2079. menu "Executable file formats"
  2080. source "fs/Kconfig.binfmt"
  2081. config TRAD_SIGNALS
  2082. bool
  2083. config MIPS32_COMPAT
  2084. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2085. depends on 64BIT
  2086. help
  2087. Select this option if you want Linux/MIPS 32-bit binary
  2088. compatibility. Since all software available for Linux/MIPS is
  2089. currently 32-bit you should say Y here.
  2090. config COMPAT
  2091. bool
  2092. depends on MIPS32_COMPAT
  2093. select ARCH_WANT_OLD_COMPAT_IPC
  2094. default y
  2095. config SYSVIPC_COMPAT
  2096. bool
  2097. depends on COMPAT && SYSVIPC
  2098. default y
  2099. config MIPS32_O32
  2100. bool "Kernel support for o32 binaries"
  2101. depends on MIPS32_COMPAT
  2102. help
  2103. Select this option if you want to run o32 binaries. These are pure
  2104. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2105. existing binaries are in this format.
  2106. If unsure, say Y.
  2107. config MIPS32_N32
  2108. bool "Kernel support for n32 binaries"
  2109. depends on MIPS32_COMPAT
  2110. help
  2111. Select this option if you want to run n32 binaries. These are
  2112. 64-bit binaries using 32-bit quantities for addressing and certain
  2113. data that would normally be 64-bit. They are used in special
  2114. cases.
  2115. If unsure, say N.
  2116. config BINFMT_ELF32
  2117. bool
  2118. default y if MIPS32_O32 || MIPS32_N32
  2119. endmenu
  2120. menu "Power management options"
  2121. config ARCH_HIBERNATION_POSSIBLE
  2122. def_bool y
  2123. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2124. config ARCH_SUSPEND_POSSIBLE
  2125. def_bool y
  2126. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2127. source "kernel/power/Kconfig"
  2128. endmenu
  2129. source "arch/mips/kernel/cpufreq/Kconfig"
  2130. source "net/Kconfig"
  2131. source "drivers/Kconfig"
  2132. source "fs/Kconfig"
  2133. source "arch/mips/Kconfig.debug"
  2134. source "security/Kconfig"
  2135. source "crypto/Kconfig"
  2136. source "lib/Kconfig"