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