Kconfig 59 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  20. select RTC_LIB if !MACH_LOONGSON
  21. select GENERIC_ATOMIC64 if !64BIT
  22. select HAVE_DMA_ATTRS
  23. select HAVE_DMA_API_DEBUG
  24. select HAVE_GENERIC_HARDIRQS
  25. select GENERIC_IRQ_PROBE
  26. select GENERIC_IRQ_SHOW
  27. select HAVE_ARCH_JUMP_LABEL
  28. select IRQ_FORCED_THREADING
  29. select HAVE_MEMBLOCK
  30. select HAVE_MEMBLOCK_NODE_MAP
  31. select ARCH_DISCARD_MEMBLOCK
  32. select GENERIC_CLOCKEVENTS
  33. select GENERIC_CMOS_UPDATE
  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 SCHED_OMIT_FRAME_POINTER
  801. bool
  802. default y
  803. #
  804. # Select some configuration options automatically based on user selections.
  805. #
  806. config ARC
  807. bool
  808. config ARCH_MAY_HAVE_PC_FDC
  809. bool
  810. config BOOT_RAW
  811. bool
  812. config CEVT_BCM1480
  813. bool
  814. config CEVT_DS1287
  815. bool
  816. config CEVT_GT641XX
  817. bool
  818. config CEVT_R4K_LIB
  819. bool
  820. config CEVT_R4K
  821. select CEVT_R4K_LIB
  822. bool
  823. config CEVT_SB1250
  824. bool
  825. config CEVT_TXX9
  826. bool
  827. config CSRC_BCM1480
  828. bool
  829. config CSRC_IOASIC
  830. bool
  831. config CSRC_POWERTV
  832. bool
  833. config CSRC_R4K_LIB
  834. bool
  835. config CSRC_R4K
  836. select CSRC_R4K_LIB
  837. bool
  838. config CSRC_SB1250
  839. bool
  840. config GPIO_TXX9
  841. select GENERIC_GPIO
  842. select ARCH_REQUIRE_GPIOLIB
  843. bool
  844. config CFE
  845. bool
  846. config ARCH_DMA_ADDR_T_64BIT
  847. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  848. config DMA_COHERENT
  849. bool
  850. config DMA_NONCOHERENT
  851. bool
  852. select NEED_DMA_MAP_STATE
  853. config NEED_DMA_MAP_STATE
  854. bool
  855. config SYS_HAS_EARLY_PRINTK
  856. bool
  857. config HOTPLUG_CPU
  858. bool "Support for hot-pluggable CPUs"
  859. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  860. help
  861. Say Y here to allow turning CPUs off and on. CPUs can be
  862. controlled through /sys/devices/system/cpu.
  863. (Note: power management support will enable this option
  864. automatically on SMP systems. )
  865. Say N if you want to disable CPU hotplug.
  866. config SYS_SUPPORTS_HOTPLUG_CPU
  867. bool
  868. config I8259
  869. bool
  870. config MIPS_BONITO64
  871. bool
  872. config MIPS_MSC
  873. bool
  874. config MIPS_NILE4
  875. bool
  876. config MIPS_DISABLE_OBSOLETE_IDE
  877. bool
  878. config SYNC_R4K
  879. bool
  880. config MIPS_MACHINE
  881. def_bool n
  882. config NO_IOPORT
  883. def_bool n
  884. config GENERIC_ISA_DMA
  885. bool
  886. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  887. select ISA_DMA_API
  888. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  889. bool
  890. select GENERIC_ISA_DMA
  891. config ISA_DMA_API
  892. bool
  893. config GENERIC_GPIO
  894. bool
  895. config HOLES_IN_ZONE
  896. bool
  897. #
  898. # Endianess selection. Sufficiently obscure so many users don't know what to
  899. # answer,so we try hard to limit the available choices. Also the use of a
  900. # choice statement should be more obvious to the user.
  901. #
  902. choice
  903. prompt "Endianess selection"
  904. help
  905. Some MIPS machines can be configured for either little or big endian
  906. byte order. These modes require different kernels and a different
  907. Linux distribution. In general there is one preferred byteorder for a
  908. particular system but some systems are just as commonly used in the
  909. one or the other endianness.
  910. config CPU_BIG_ENDIAN
  911. bool "Big endian"
  912. depends on SYS_SUPPORTS_BIG_ENDIAN
  913. config CPU_LITTLE_ENDIAN
  914. bool "Little endian"
  915. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  916. help
  917. endchoice
  918. config EXPORT_UASM
  919. bool
  920. config SYS_SUPPORTS_APM_EMULATION
  921. bool
  922. config SYS_SUPPORTS_BIG_ENDIAN
  923. bool
  924. config SYS_SUPPORTS_LITTLE_ENDIAN
  925. bool
  926. config SYS_SUPPORTS_HUGETLBFS
  927. bool
  928. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  929. default y
  930. config IRQ_CPU
  931. bool
  932. config IRQ_CPU_RM7K
  933. bool
  934. config IRQ_CPU_RM9K
  935. bool
  936. config IRQ_MSP_SLP
  937. bool
  938. config IRQ_MSP_CIC
  939. bool
  940. config IRQ_TXX9
  941. bool
  942. config IRQ_GT641XX
  943. bool
  944. config IRQ_GIC
  945. bool
  946. config MIPS_BOARDS_GEN
  947. bool
  948. config PCI_GT64XXX_PCI0
  949. bool
  950. config NO_EXCEPT_FILL
  951. bool
  952. config MIPS_RM9122
  953. bool
  954. select SERIAL_RM9000
  955. config SOC_EMMA2RH
  956. bool
  957. select CEVT_R4K
  958. select CSRC_R4K
  959. select DMA_NONCOHERENT
  960. select IRQ_CPU
  961. select SWAP_IO_SPACE
  962. select SYS_HAS_CPU_R5500
  963. select SYS_SUPPORTS_32BIT_KERNEL
  964. select SYS_SUPPORTS_64BIT_KERNEL
  965. select SYS_SUPPORTS_BIG_ENDIAN
  966. config SOC_PNX833X
  967. bool
  968. select CEVT_R4K
  969. select CSRC_R4K
  970. select IRQ_CPU
  971. select DMA_NONCOHERENT
  972. select SYS_HAS_CPU_MIPS32_R2
  973. select SYS_SUPPORTS_32BIT_KERNEL
  974. select SYS_SUPPORTS_LITTLE_ENDIAN
  975. select SYS_SUPPORTS_BIG_ENDIAN
  976. select GENERIC_GPIO
  977. select CPU_MIPSR2_IRQ_VI
  978. config SOC_PNX8335
  979. bool
  980. select SOC_PNX833X
  981. config PNX8550
  982. bool
  983. select SOC_PNX8550
  984. config SOC_PNX8550
  985. bool
  986. select DMA_NONCOHERENT
  987. select HW_HAS_PCI
  988. select SYS_HAS_CPU_MIPS32_R1
  989. select SYS_HAS_EARLY_PRINTK
  990. select SYS_SUPPORTS_32BIT_KERNEL
  991. select GENERIC_GPIO
  992. config SWAP_IO_SPACE
  993. bool
  994. config SERIAL_RM9000
  995. bool
  996. config SGI_HAS_INDYDOG
  997. bool
  998. config SGI_HAS_HAL2
  999. bool
  1000. config SGI_HAS_SEEQ
  1001. bool
  1002. config SGI_HAS_WD93
  1003. bool
  1004. config SGI_HAS_ZILOG
  1005. bool
  1006. config SGI_HAS_I8042
  1007. bool
  1008. config DEFAULT_SGI_PARTITION
  1009. bool
  1010. config ARC32
  1011. bool
  1012. config SNIPROM
  1013. bool
  1014. config BOOT_ELF32
  1015. bool
  1016. config MIPS_L1_CACHE_SHIFT
  1017. int
  1018. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1019. default "6" if MIPS_CPU_SCACHE
  1020. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1021. default "5"
  1022. config HAVE_STD_PC_SERIAL_PORT
  1023. bool
  1024. config ARC_CONSOLE
  1025. bool "ARC console support"
  1026. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1027. config ARC_MEMORY
  1028. bool
  1029. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1030. default y
  1031. config ARC_PROMLIB
  1032. bool
  1033. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1034. default y
  1035. config ARC64
  1036. bool
  1037. config BOOT_ELF64
  1038. bool
  1039. menu "CPU selection"
  1040. choice
  1041. prompt "CPU type"
  1042. default CPU_R4X00
  1043. config CPU_LOONGSON2E
  1044. bool "Loongson 2E"
  1045. depends on SYS_HAS_CPU_LOONGSON2E
  1046. select CPU_LOONGSON2
  1047. help
  1048. The Loongson 2E processor implements the MIPS III instruction set
  1049. with many extensions.
  1050. It has an internal FPGA northbridge, which is compatible to
  1051. bonito64.
  1052. config CPU_LOONGSON2F
  1053. bool "Loongson 2F"
  1054. depends on SYS_HAS_CPU_LOONGSON2F
  1055. select CPU_LOONGSON2
  1056. select GENERIC_GPIO
  1057. select ARCH_REQUIRE_GPIOLIB
  1058. help
  1059. The Loongson 2F processor implements the MIPS III instruction set
  1060. with many extensions.
  1061. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1062. have a similar programming interface with FPGA northbridge used in
  1063. Loongson2E.
  1064. config CPU_MIPS32_R1
  1065. bool "MIPS32 Release 1"
  1066. depends on SYS_HAS_CPU_MIPS32_R1
  1067. select CPU_HAS_PREFETCH
  1068. select CPU_SUPPORTS_32BIT_KERNEL
  1069. select CPU_SUPPORTS_HIGHMEM
  1070. help
  1071. Choose this option to build a kernel for release 1 or later of the
  1072. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1073. MIPS processor are based on a MIPS32 processor. If you know the
  1074. specific type of processor in your system, choose those that one
  1075. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1076. Release 2 of the MIPS32 architecture is available since several
  1077. years so chances are you even have a MIPS32 Release 2 processor
  1078. in which case you should choose CPU_MIPS32_R2 instead for better
  1079. performance.
  1080. config CPU_MIPS32_R2
  1081. bool "MIPS32 Release 2"
  1082. depends on SYS_HAS_CPU_MIPS32_R2
  1083. select CPU_HAS_PREFETCH
  1084. select CPU_SUPPORTS_32BIT_KERNEL
  1085. select CPU_SUPPORTS_HIGHMEM
  1086. help
  1087. Choose this option to build a kernel for release 2 or later of the
  1088. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1089. MIPS processor are based on a MIPS32 processor. If you know the
  1090. specific type of processor in your system, choose those that one
  1091. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1092. config CPU_MIPS64_R1
  1093. bool "MIPS64 Release 1"
  1094. depends on SYS_HAS_CPU_MIPS64_R1
  1095. select CPU_HAS_PREFETCH
  1096. select CPU_SUPPORTS_32BIT_KERNEL
  1097. select CPU_SUPPORTS_64BIT_KERNEL
  1098. select CPU_SUPPORTS_HIGHMEM
  1099. select CPU_SUPPORTS_HUGEPAGES
  1100. help
  1101. Choose this option to build a kernel for release 1 or later of the
  1102. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1103. MIPS processor are based on a MIPS64 processor. If you know the
  1104. specific type of processor in your system, choose those that one
  1105. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1106. Release 2 of the MIPS64 architecture is available since several
  1107. years so chances are you even have a MIPS64 Release 2 processor
  1108. in which case you should choose CPU_MIPS64_R2 instead for better
  1109. performance.
  1110. config CPU_MIPS64_R2
  1111. bool "MIPS64 Release 2"
  1112. depends on SYS_HAS_CPU_MIPS64_R2
  1113. select CPU_HAS_PREFETCH
  1114. select CPU_SUPPORTS_32BIT_KERNEL
  1115. select CPU_SUPPORTS_64BIT_KERNEL
  1116. select CPU_SUPPORTS_HIGHMEM
  1117. select CPU_SUPPORTS_HUGEPAGES
  1118. help
  1119. Choose this option to build a kernel for release 2 or later of the
  1120. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1121. MIPS processor are based on a MIPS64 processor. If you know the
  1122. specific type of processor in your system, choose those that one
  1123. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1124. config CPU_R3000
  1125. bool "R3000"
  1126. depends on SYS_HAS_CPU_R3000
  1127. select CPU_HAS_WB
  1128. select CPU_SUPPORTS_32BIT_KERNEL
  1129. select CPU_SUPPORTS_HIGHMEM
  1130. help
  1131. Please make sure to pick the right CPU type. Linux/MIPS is not
  1132. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1133. *not* work on R4000 machines and vice versa. However, since most
  1134. of the supported machines have an R4000 (or similar) CPU, R4x00
  1135. might be a safe bet. If the resulting kernel does not work,
  1136. try to recompile with R3000.
  1137. config CPU_TX39XX
  1138. bool "R39XX"
  1139. depends on SYS_HAS_CPU_TX39XX
  1140. select CPU_SUPPORTS_32BIT_KERNEL
  1141. config CPU_VR41XX
  1142. bool "R41xx"
  1143. depends on SYS_HAS_CPU_VR41XX
  1144. select CPU_SUPPORTS_32BIT_KERNEL
  1145. select CPU_SUPPORTS_64BIT_KERNEL
  1146. help
  1147. The options selects support for the NEC VR4100 series of processors.
  1148. Only choose this option if you have one of these processors as a
  1149. kernel built with this option will not run on any other type of
  1150. processor or vice versa.
  1151. config CPU_R4300
  1152. bool "R4300"
  1153. depends on SYS_HAS_CPU_R4300
  1154. select CPU_SUPPORTS_32BIT_KERNEL
  1155. select CPU_SUPPORTS_64BIT_KERNEL
  1156. help
  1157. MIPS Technologies R4300-series processors.
  1158. config CPU_R4X00
  1159. bool "R4x00"
  1160. depends on SYS_HAS_CPU_R4X00
  1161. select CPU_SUPPORTS_32BIT_KERNEL
  1162. select CPU_SUPPORTS_64BIT_KERNEL
  1163. help
  1164. MIPS Technologies R4000-series processors other than 4300, including
  1165. the R4000, R4400, R4600, and 4700.
  1166. config CPU_TX49XX
  1167. bool "R49XX"
  1168. depends on SYS_HAS_CPU_TX49XX
  1169. select CPU_HAS_PREFETCH
  1170. select CPU_SUPPORTS_32BIT_KERNEL
  1171. select CPU_SUPPORTS_64BIT_KERNEL
  1172. config CPU_R5000
  1173. bool "R5000"
  1174. depends on SYS_HAS_CPU_R5000
  1175. select CPU_SUPPORTS_32BIT_KERNEL
  1176. select CPU_SUPPORTS_64BIT_KERNEL
  1177. help
  1178. MIPS Technologies R5000-series processors other than the Nevada.
  1179. config CPU_R5432
  1180. bool "R5432"
  1181. depends on SYS_HAS_CPU_R5432
  1182. select CPU_SUPPORTS_32BIT_KERNEL
  1183. select CPU_SUPPORTS_64BIT_KERNEL
  1184. config CPU_R5500
  1185. bool "R5500"
  1186. depends on SYS_HAS_CPU_R5500
  1187. select CPU_SUPPORTS_32BIT_KERNEL
  1188. select CPU_SUPPORTS_64BIT_KERNEL
  1189. select CPU_SUPPORTS_HUGEPAGES
  1190. help
  1191. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1192. instruction set.
  1193. config CPU_R6000
  1194. bool "R6000"
  1195. depends on EXPERIMENTAL
  1196. depends on SYS_HAS_CPU_R6000
  1197. select CPU_SUPPORTS_32BIT_KERNEL
  1198. help
  1199. MIPS Technologies R6000 and R6000A series processors. Note these
  1200. processors are extremely rare and the support for them is incomplete.
  1201. config CPU_NEVADA
  1202. bool "RM52xx"
  1203. depends on SYS_HAS_CPU_NEVADA
  1204. select CPU_SUPPORTS_32BIT_KERNEL
  1205. select CPU_SUPPORTS_64BIT_KERNEL
  1206. help
  1207. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1208. config CPU_R8000
  1209. bool "R8000"
  1210. depends on EXPERIMENTAL
  1211. depends on SYS_HAS_CPU_R8000
  1212. select CPU_HAS_PREFETCH
  1213. select CPU_SUPPORTS_64BIT_KERNEL
  1214. help
  1215. MIPS Technologies R8000 processors. Note these processors are
  1216. uncommon and the support for them is incomplete.
  1217. config CPU_R10000
  1218. bool "R10000"
  1219. depends on SYS_HAS_CPU_R10000
  1220. select CPU_HAS_PREFETCH
  1221. select CPU_SUPPORTS_32BIT_KERNEL
  1222. select CPU_SUPPORTS_64BIT_KERNEL
  1223. select CPU_SUPPORTS_HIGHMEM
  1224. help
  1225. MIPS Technologies R10000-series processors.
  1226. config CPU_RM7000
  1227. bool "RM7000"
  1228. depends on SYS_HAS_CPU_RM7000
  1229. select CPU_HAS_PREFETCH
  1230. select CPU_SUPPORTS_32BIT_KERNEL
  1231. select CPU_SUPPORTS_64BIT_KERNEL
  1232. select CPU_SUPPORTS_HIGHMEM
  1233. config CPU_RM9000
  1234. bool "RM9000"
  1235. depends on SYS_HAS_CPU_RM9000
  1236. select CPU_HAS_PREFETCH
  1237. select CPU_SUPPORTS_32BIT_KERNEL
  1238. select CPU_SUPPORTS_64BIT_KERNEL
  1239. select CPU_SUPPORTS_HIGHMEM
  1240. select WEAK_ORDERING
  1241. config CPU_SB1
  1242. bool "SB1"
  1243. depends on SYS_HAS_CPU_SB1
  1244. select CPU_SUPPORTS_32BIT_KERNEL
  1245. select CPU_SUPPORTS_64BIT_KERNEL
  1246. select CPU_SUPPORTS_HIGHMEM
  1247. select WEAK_ORDERING
  1248. config CPU_CAVIUM_OCTEON
  1249. bool "Cavium Octeon processor"
  1250. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1251. select CPU_HAS_PREFETCH
  1252. select CPU_SUPPORTS_64BIT_KERNEL
  1253. select SYS_SUPPORTS_SMP
  1254. select NR_CPUS_DEFAULT_16
  1255. select WEAK_ORDERING
  1256. select CPU_SUPPORTS_HIGHMEM
  1257. select CPU_SUPPORTS_HUGEPAGES
  1258. help
  1259. The Cavium Octeon processor is a highly integrated chip containing
  1260. many ethernet hardware widgets for networking tasks. The processor
  1261. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1262. Full details can be found at http://www.caviumnetworks.com.
  1263. config CPU_BMIPS3300
  1264. bool "BMIPS3300"
  1265. depends on SYS_HAS_CPU_BMIPS3300
  1266. select CPU_BMIPS
  1267. help
  1268. Broadcom BMIPS3300 processors.
  1269. config CPU_BMIPS4350
  1270. bool "BMIPS4350"
  1271. depends on SYS_HAS_CPU_BMIPS4350
  1272. select CPU_BMIPS
  1273. select SYS_SUPPORTS_SMP
  1274. select SYS_SUPPORTS_HOTPLUG_CPU
  1275. help
  1276. Broadcom BMIPS4350 ("VIPER") processors.
  1277. config CPU_BMIPS4380
  1278. bool "BMIPS4380"
  1279. depends on SYS_HAS_CPU_BMIPS4380
  1280. select CPU_BMIPS
  1281. select SYS_SUPPORTS_SMP
  1282. select SYS_SUPPORTS_HOTPLUG_CPU
  1283. help
  1284. Broadcom BMIPS4380 processors.
  1285. config CPU_BMIPS5000
  1286. bool "BMIPS5000"
  1287. depends on SYS_HAS_CPU_BMIPS5000
  1288. select CPU_BMIPS
  1289. select CPU_SUPPORTS_HIGHMEM
  1290. select MIPS_CPU_SCACHE
  1291. select SYS_SUPPORTS_SMP
  1292. select SYS_SUPPORTS_HOTPLUG_CPU
  1293. help
  1294. Broadcom BMIPS5000 processors.
  1295. config CPU_XLR
  1296. bool "Netlogic XLR SoC"
  1297. depends on SYS_HAS_CPU_XLR
  1298. select CPU_SUPPORTS_32BIT_KERNEL
  1299. select CPU_SUPPORTS_64BIT_KERNEL
  1300. select CPU_SUPPORTS_HIGHMEM
  1301. select WEAK_ORDERING
  1302. select WEAK_REORDERING_BEYOND_LLSC
  1303. select CPU_SUPPORTS_HUGEPAGES
  1304. help
  1305. Netlogic Microsystems XLR/XLS processors.
  1306. config CPU_XLP
  1307. bool "Netlogic XLP SoC"
  1308. depends on SYS_HAS_CPU_XLP
  1309. select CPU_SUPPORTS_32BIT_KERNEL
  1310. select CPU_SUPPORTS_64BIT_KERNEL
  1311. select CPU_SUPPORTS_HIGHMEM
  1312. select CPU_HAS_LLSC
  1313. select WEAK_ORDERING
  1314. select WEAK_REORDERING_BEYOND_LLSC
  1315. select CPU_HAS_PREFETCH
  1316. help
  1317. Netlogic Microsystems XLP processors.
  1318. endchoice
  1319. if CPU_LOONGSON2F
  1320. config CPU_NOP_WORKAROUNDS
  1321. bool
  1322. config CPU_JUMP_WORKAROUNDS
  1323. bool
  1324. config CPU_LOONGSON2F_WORKAROUNDS
  1325. bool "Loongson 2F Workarounds"
  1326. default y
  1327. select CPU_NOP_WORKAROUNDS
  1328. select CPU_JUMP_WORKAROUNDS
  1329. help
  1330. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1331. require workarounds. Without workarounds the system may hang
  1332. unexpectedly. For more information please refer to the gas
  1333. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1334. Loongson 2F03 and later have fixed these issues and no workarounds
  1335. are needed. The workarounds have no significant side effect on them
  1336. but may decrease the performance of the system so this option should
  1337. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1338. systems.
  1339. If unsure, please say Y.
  1340. endif # CPU_LOONGSON2F
  1341. config SYS_SUPPORTS_ZBOOT
  1342. bool
  1343. select HAVE_KERNEL_GZIP
  1344. select HAVE_KERNEL_BZIP2
  1345. select HAVE_KERNEL_LZMA
  1346. select HAVE_KERNEL_LZO
  1347. config SYS_SUPPORTS_ZBOOT_UART16550
  1348. bool
  1349. select SYS_SUPPORTS_ZBOOT
  1350. config CPU_LOONGSON2
  1351. bool
  1352. select CPU_SUPPORTS_32BIT_KERNEL
  1353. select CPU_SUPPORTS_64BIT_KERNEL
  1354. select CPU_SUPPORTS_HIGHMEM
  1355. config CPU_BMIPS
  1356. bool
  1357. select CPU_MIPS32
  1358. select CPU_SUPPORTS_32BIT_KERNEL
  1359. select DMA_NONCOHERENT
  1360. select IRQ_CPU
  1361. select SWAP_IO_SPACE
  1362. select WEAK_ORDERING
  1363. config SYS_HAS_CPU_LOONGSON2E
  1364. bool
  1365. config SYS_HAS_CPU_LOONGSON2F
  1366. bool
  1367. select CPU_SUPPORTS_CPUFREQ
  1368. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1369. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1370. config SYS_HAS_CPU_MIPS32_R1
  1371. bool
  1372. config SYS_HAS_CPU_MIPS32_R2
  1373. bool
  1374. config SYS_HAS_CPU_MIPS64_R1
  1375. bool
  1376. config SYS_HAS_CPU_MIPS64_R2
  1377. bool
  1378. config SYS_HAS_CPU_R3000
  1379. bool
  1380. config SYS_HAS_CPU_TX39XX
  1381. bool
  1382. config SYS_HAS_CPU_VR41XX
  1383. bool
  1384. config SYS_HAS_CPU_R4300
  1385. bool
  1386. config SYS_HAS_CPU_R4X00
  1387. bool
  1388. config SYS_HAS_CPU_TX49XX
  1389. bool
  1390. config SYS_HAS_CPU_R5000
  1391. bool
  1392. config SYS_HAS_CPU_R5432
  1393. bool
  1394. config SYS_HAS_CPU_R5500
  1395. bool
  1396. config SYS_HAS_CPU_R6000
  1397. bool
  1398. config SYS_HAS_CPU_NEVADA
  1399. bool
  1400. config SYS_HAS_CPU_R8000
  1401. bool
  1402. config SYS_HAS_CPU_R10000
  1403. bool
  1404. config SYS_HAS_CPU_RM7000
  1405. bool
  1406. config SYS_HAS_CPU_RM9000
  1407. bool
  1408. config SYS_HAS_CPU_SB1
  1409. bool
  1410. config SYS_HAS_CPU_CAVIUM_OCTEON
  1411. bool
  1412. config SYS_HAS_CPU_BMIPS3300
  1413. bool
  1414. config SYS_HAS_CPU_BMIPS4350
  1415. bool
  1416. config SYS_HAS_CPU_BMIPS4380
  1417. bool
  1418. config SYS_HAS_CPU_BMIPS5000
  1419. bool
  1420. config SYS_HAS_CPU_XLR
  1421. bool
  1422. config SYS_HAS_CPU_XLP
  1423. bool
  1424. #
  1425. # CPU may reorder R->R, R->W, W->R, W->W
  1426. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1427. #
  1428. config WEAK_ORDERING
  1429. bool
  1430. #
  1431. # CPU may reorder reads and writes beyond LL/SC
  1432. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1433. #
  1434. config WEAK_REORDERING_BEYOND_LLSC
  1435. bool
  1436. endmenu
  1437. #
  1438. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1439. #
  1440. config CPU_MIPS32
  1441. bool
  1442. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1443. config CPU_MIPS64
  1444. bool
  1445. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1446. #
  1447. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1448. #
  1449. config CPU_MIPSR1
  1450. bool
  1451. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1452. config CPU_MIPSR2
  1453. bool
  1454. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1455. config SYS_SUPPORTS_32BIT_KERNEL
  1456. bool
  1457. config SYS_SUPPORTS_64BIT_KERNEL
  1458. bool
  1459. config CPU_SUPPORTS_32BIT_KERNEL
  1460. bool
  1461. config CPU_SUPPORTS_64BIT_KERNEL
  1462. bool
  1463. config CPU_SUPPORTS_CPUFREQ
  1464. bool
  1465. config CPU_SUPPORTS_ADDRWINCFG
  1466. bool
  1467. config CPU_SUPPORTS_HUGEPAGES
  1468. bool
  1469. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1470. bool
  1471. config MIPS_PGD_C0_CONTEXT
  1472. bool
  1473. default y if 64BIT && CPU_MIPSR2
  1474. #
  1475. # Set to y for ptrace access to watch registers.
  1476. #
  1477. config HARDWARE_WATCHPOINTS
  1478. bool
  1479. default y if CPU_MIPSR1 || CPU_MIPSR2
  1480. menu "Kernel type"
  1481. choice
  1482. prompt "Kernel code model"
  1483. help
  1484. You should only select this option if you have a workload that
  1485. actually benefits from 64-bit processing or if your machine has
  1486. large memory. You will only be presented a single option in this
  1487. menu if your system does not support both 32-bit and 64-bit kernels.
  1488. config 32BIT
  1489. bool "32-bit kernel"
  1490. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1491. select TRAD_SIGNALS
  1492. help
  1493. Select this option if you want to build a 32-bit kernel.
  1494. config 64BIT
  1495. bool "64-bit kernel"
  1496. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1497. select HAVE_SYSCALL_WRAPPERS
  1498. help
  1499. Select this option if you want to build a 64-bit kernel.
  1500. endchoice
  1501. choice
  1502. prompt "Kernel page size"
  1503. default PAGE_SIZE_4KB
  1504. config PAGE_SIZE_4KB
  1505. bool "4kB"
  1506. depends on !CPU_LOONGSON2
  1507. help
  1508. This option select the standard 4kB Linux page size. On some
  1509. R3000-family processors this is the only available page size. Using
  1510. 4kB page size will minimize memory consumption and is therefore
  1511. recommended for low memory systems.
  1512. config PAGE_SIZE_8KB
  1513. bool "8kB"
  1514. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1515. help
  1516. Using 8kB page size will result in higher performance kernel at
  1517. the price of higher memory consumption. This option is available
  1518. only on R8000 and cnMIPS processors. Note that you will need a
  1519. suitable Linux distribution to support this.
  1520. config PAGE_SIZE_16KB
  1521. bool "16kB"
  1522. depends on !CPU_R3000 && !CPU_TX39XX
  1523. help
  1524. Using 16kB page size will result in higher performance kernel at
  1525. the price of higher memory consumption. This option is available on
  1526. all non-R3000 family processors. Note that you will need a suitable
  1527. Linux distribution to support this.
  1528. config PAGE_SIZE_32KB
  1529. bool "32kB"
  1530. depends on CPU_CAVIUM_OCTEON
  1531. help
  1532. Using 32kB page size will result in higher performance kernel at
  1533. the price of higher memory consumption. This option is available
  1534. only on cnMIPS cores. Note that you will need a suitable Linux
  1535. distribution to support this.
  1536. config PAGE_SIZE_64KB
  1537. bool "64kB"
  1538. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1539. help
  1540. Using 64kB page size will result in higher performance kernel at
  1541. the price of higher memory consumption. This option is available on
  1542. all non-R3000 family processor. Not that at the time of this
  1543. writing this option is still high experimental.
  1544. endchoice
  1545. config FORCE_MAX_ZONEORDER
  1546. int "Maximum zone order"
  1547. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1548. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1549. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1550. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1551. range 11 64
  1552. default "11"
  1553. help
  1554. The kernel memory allocator divides physically contiguous memory
  1555. blocks into "zones", where each zone is a power of two number of
  1556. pages. This option selects the largest power of two that the kernel
  1557. keeps in the memory allocator. If you need to allocate very large
  1558. blocks of physically contiguous memory, then you may need to
  1559. increase this value.
  1560. This config option is actually maximum order plus one. For example,
  1561. a value of 11 means that the largest free memory block is 2^10 pages.
  1562. The page size is not necessarily 4KB. Keep this in mind
  1563. when choosing a value for this option.
  1564. config BOARD_SCACHE
  1565. bool
  1566. config IP22_CPU_SCACHE
  1567. bool
  1568. select BOARD_SCACHE
  1569. #
  1570. # Support for a MIPS32 / MIPS64 style S-caches
  1571. #
  1572. config MIPS_CPU_SCACHE
  1573. bool
  1574. select BOARD_SCACHE
  1575. config R5000_CPU_SCACHE
  1576. bool
  1577. select BOARD_SCACHE
  1578. config RM7000_CPU_SCACHE
  1579. bool
  1580. select BOARD_SCACHE
  1581. config SIBYTE_DMA_PAGEOPS
  1582. bool "Use DMA to clear/copy pages"
  1583. depends on CPU_SB1
  1584. help
  1585. Instead of using the CPU to zero and copy pages, use a Data Mover
  1586. channel. These DMA channels are otherwise unused by the standard
  1587. SiByte Linux port. Seems to give a small performance benefit.
  1588. config CPU_HAS_PREFETCH
  1589. bool
  1590. choice
  1591. prompt "MIPS MT options"
  1592. config MIPS_MT_DISABLED
  1593. bool "Disable multithreading support."
  1594. help
  1595. Use this option if your workload can't take advantage of
  1596. MIPS hardware multithreading support. On systems that don't have
  1597. the option of an MT-enabled processor this option will be the only
  1598. option in this menu.
  1599. config MIPS_MT_SMP
  1600. bool "Use 1 TC on each available VPE for SMP"
  1601. depends on SYS_SUPPORTS_MULTITHREADING
  1602. select CPU_MIPSR2_IRQ_VI
  1603. select CPU_MIPSR2_IRQ_EI
  1604. select MIPS_MT
  1605. select NR_CPUS_DEFAULT_2
  1606. select SMP
  1607. select SYS_SUPPORTS_SCHED_SMT if SMP
  1608. select SYS_SUPPORTS_SMP
  1609. select SMP_UP
  1610. help
  1611. This is a kernel model which is known a VSMP but lately has been
  1612. marketesed into SMVP.
  1613. Virtual SMP uses the processor's VPEs to implement virtual
  1614. processors. In currently available configuration of the 34K processor
  1615. this allows for a dual processor. Both processors will share the same
  1616. primary caches; each will obtain the half of the TLB for it's own
  1617. exclusive use. For a layman this model can be described as similar to
  1618. what Intel calls Hyperthreading.
  1619. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1620. config MIPS_MT_SMTC
  1621. bool "SMTC: Use all TCs on all VPEs for SMP"
  1622. depends on CPU_MIPS32_R2
  1623. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1624. depends on SYS_SUPPORTS_MULTITHREADING
  1625. select CPU_MIPSR2_IRQ_VI
  1626. select CPU_MIPSR2_IRQ_EI
  1627. select MIPS_MT
  1628. select NR_CPUS_DEFAULT_8
  1629. select SMP
  1630. select SYS_SUPPORTS_SMP
  1631. select SMP_UP
  1632. help
  1633. This is a kernel model which is known a SMTC or lately has been
  1634. marketesed into SMVP.
  1635. is presenting the available TC's of the core as processors to Linux.
  1636. On currently available 34K processors this means a Linux system will
  1637. see up to 5 processors. The implementation of the SMTC kernel differs
  1638. significantly from VSMP and cannot efficiently coexist in the same
  1639. kernel binary so the choice between VSMP and SMTC is a compile time
  1640. decision.
  1641. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1642. endchoice
  1643. config MIPS_MT
  1644. bool
  1645. config SCHED_SMT
  1646. bool "SMT (multithreading) scheduler support"
  1647. depends on SYS_SUPPORTS_SCHED_SMT
  1648. default n
  1649. help
  1650. SMT scheduler support improves the CPU scheduler's decision making
  1651. when dealing with MIPS MT enabled cores at a cost of slightly
  1652. increased overhead in some places. If unsure say N here.
  1653. config SYS_SUPPORTS_SCHED_SMT
  1654. bool
  1655. config SYS_SUPPORTS_MULTITHREADING
  1656. bool
  1657. config MIPS_MT_FPAFF
  1658. bool "Dynamic FPU affinity for FP-intensive threads"
  1659. default y
  1660. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1661. config MIPS_VPE_LOADER
  1662. bool "VPE loader support."
  1663. depends on SYS_SUPPORTS_MULTITHREADING
  1664. select CPU_MIPSR2_IRQ_VI
  1665. select CPU_MIPSR2_IRQ_EI
  1666. select MIPS_MT
  1667. help
  1668. Includes a loader for loading an elf relocatable object
  1669. onto another VPE and running it.
  1670. config MIPS_MT_SMTC_IM_BACKSTOP
  1671. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1672. depends on MIPS_MT_SMTC
  1673. default n
  1674. help
  1675. To support multiple TC microthreads acting as "CPUs" within
  1676. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1677. during interrupt handling. To support legacy drivers and interrupt
  1678. controller management code, SMTC has a "backstop" to track and
  1679. if necessary restore the interrupt mask. This has some performance
  1680. impact on interrupt service overhead.
  1681. config MIPS_MT_SMTC_IRQAFF
  1682. bool "Support IRQ affinity API"
  1683. depends on MIPS_MT_SMTC
  1684. default n
  1685. help
  1686. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1687. for SMTC Linux kernel. Requires platform support, of which
  1688. an example can be found in the MIPS kernel i8259 and Malta
  1689. platform code. Adds some overhead to interrupt dispatch, and
  1690. should be used only if you know what you are doing.
  1691. config MIPS_VPE_LOADER_TOM
  1692. bool "Load VPE program into memory hidden from linux"
  1693. depends on MIPS_VPE_LOADER
  1694. default y
  1695. help
  1696. The loader can use memory that is present but has been hidden from
  1697. Linux using the kernel command line option "mem=xxMB". It's up to
  1698. you to ensure the amount you put in the option and the space your
  1699. program requires is less or equal to the amount physically present.
  1700. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1701. config MIPS_VPE_APSP_API
  1702. bool "Enable support for AP/SP API (RTLX)"
  1703. depends on MIPS_VPE_LOADER
  1704. help
  1705. config MIPS_APSP_KSPD
  1706. bool "Enable KSPD"
  1707. depends on MIPS_VPE_APSP_API
  1708. default y
  1709. help
  1710. KSPD is a kernel daemon that accepts syscall requests from the SP
  1711. side, actions them and returns the results. It also handles the
  1712. "exit" syscall notifying other kernel modules the SP program is
  1713. exiting. You probably want to say yes here.
  1714. config MIPS_CMP
  1715. bool "MIPS CMP framework support"
  1716. depends on SYS_SUPPORTS_MIPS_CMP
  1717. select SYNC_R4K
  1718. select SYS_SUPPORTS_SMP
  1719. select SYS_SUPPORTS_SCHED_SMT if SMP
  1720. select WEAK_ORDERING
  1721. default n
  1722. help
  1723. This is a placeholder option for the GCMP work. It will need to
  1724. be handled differently...
  1725. config SB1_PASS_1_WORKAROUNDS
  1726. bool
  1727. depends on CPU_SB1_PASS_1
  1728. default y
  1729. config SB1_PASS_2_WORKAROUNDS
  1730. bool
  1731. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1732. default y
  1733. config SB1_PASS_2_1_WORKAROUNDS
  1734. bool
  1735. depends on CPU_SB1 && CPU_SB1_PASS_2
  1736. default y
  1737. config 64BIT_PHYS_ADDR
  1738. bool
  1739. config ARCH_PHYS_ADDR_T_64BIT
  1740. def_bool 64BIT_PHYS_ADDR
  1741. config CPU_HAS_SMARTMIPS
  1742. depends on SYS_SUPPORTS_SMARTMIPS
  1743. bool "Support for the SmartMIPS ASE"
  1744. help
  1745. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1746. increased security at both hardware and software level for
  1747. smartcards. Enabling this option will allow proper use of the
  1748. SmartMIPS instructions by Linux applications. However a kernel with
  1749. this option will not work on a MIPS core without SmartMIPS core. If
  1750. you don't know you probably don't have SmartMIPS and should say N
  1751. here.
  1752. config CPU_HAS_WB
  1753. bool
  1754. config XKS01
  1755. bool
  1756. #
  1757. # Vectored interrupt mode is an R2 feature
  1758. #
  1759. config CPU_MIPSR2_IRQ_VI
  1760. bool
  1761. #
  1762. # Extended interrupt mode is an R2 feature
  1763. #
  1764. config CPU_MIPSR2_IRQ_EI
  1765. bool
  1766. config CPU_HAS_SYNC
  1767. bool
  1768. depends on !CPU_R3000
  1769. default y
  1770. #
  1771. # CPU non-features
  1772. #
  1773. config CPU_DADDI_WORKAROUNDS
  1774. bool
  1775. config CPU_R4000_WORKAROUNDS
  1776. bool
  1777. select CPU_R4400_WORKAROUNDS
  1778. config CPU_R4400_WORKAROUNDS
  1779. bool
  1780. #
  1781. # - Highmem only makes sense for the 32-bit kernel.
  1782. # - The current highmem code will only work properly on physically indexed
  1783. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1784. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1785. # moment we protect the user and offer the highmem option only on machines
  1786. # where it's known to be safe. This will not offer highmem on a few systems
  1787. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1788. # indexed CPUs but we're playing safe.
  1789. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1790. # know they might have memory configurations that could make use of highmem
  1791. # support.
  1792. #
  1793. config HIGHMEM
  1794. bool "High Memory Support"
  1795. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1796. config CPU_SUPPORTS_HIGHMEM
  1797. bool
  1798. config SYS_SUPPORTS_HIGHMEM
  1799. bool
  1800. config SYS_SUPPORTS_SMARTMIPS
  1801. bool
  1802. config ARCH_FLATMEM_ENABLE
  1803. def_bool y
  1804. depends on !NUMA && !CPU_LOONGSON2
  1805. config ARCH_DISCONTIGMEM_ENABLE
  1806. bool
  1807. default y if SGI_IP27
  1808. help
  1809. Say Y to support efficient handling of discontiguous physical memory,
  1810. for architectures which are either NUMA (Non-Uniform Memory Access)
  1811. or have huge holes in the physical address space for other reasons.
  1812. See <file:Documentation/vm/numa> for more.
  1813. config ARCH_SPARSEMEM_ENABLE
  1814. bool
  1815. select SPARSEMEM_STATIC
  1816. config NUMA
  1817. bool "NUMA Support"
  1818. depends on SYS_SUPPORTS_NUMA
  1819. help
  1820. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1821. Access). This option improves performance on systems with more
  1822. than two nodes; on two node systems it is generally better to
  1823. leave it disabled; on single node systems disable this option
  1824. disabled.
  1825. config SYS_SUPPORTS_NUMA
  1826. bool
  1827. config NODES_SHIFT
  1828. int
  1829. default "6"
  1830. depends on NEED_MULTIPLE_NODES
  1831. config HW_PERF_EVENTS
  1832. bool "Enable hardware performance counter support for perf events"
  1833. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1834. default y
  1835. help
  1836. Enable hardware performance counter support for perf events. If
  1837. disabled, perf events will use software events only.
  1838. source "mm/Kconfig"
  1839. config SMP
  1840. bool "Multi-Processing support"
  1841. depends on SYS_SUPPORTS_SMP
  1842. select IRQ_PER_CPU
  1843. select USE_GENERIC_SMP_HELPERS
  1844. help
  1845. This enables support for systems with more than one CPU. If you have
  1846. a system with only one CPU, like most personal computers, say N. If
  1847. you have a system with more than one CPU, say Y.
  1848. If you say N here, the kernel will run on single and multiprocessor
  1849. machines, but will use only one CPU of a multiprocessor machine. If
  1850. you say Y here, the kernel will run on many, but not all,
  1851. singleprocessor machines. On a singleprocessor machine, the kernel
  1852. will run faster if you say N here.
  1853. People using multiprocessor machines who say Y here should also say
  1854. Y to "Enhanced Real Time Clock Support", below.
  1855. See also the SMP-HOWTO available at
  1856. <http://www.tldp.org/docs.html#howto>.
  1857. If you don't know what to do here, say N.
  1858. config SMP_UP
  1859. bool
  1860. config SYS_SUPPORTS_MIPS_CMP
  1861. bool
  1862. config SYS_SUPPORTS_SMP
  1863. bool
  1864. config NR_CPUS_DEFAULT_1
  1865. bool
  1866. config NR_CPUS_DEFAULT_2
  1867. bool
  1868. config NR_CPUS_DEFAULT_4
  1869. bool
  1870. config NR_CPUS_DEFAULT_8
  1871. bool
  1872. config NR_CPUS_DEFAULT_16
  1873. bool
  1874. config NR_CPUS_DEFAULT_32
  1875. bool
  1876. config NR_CPUS_DEFAULT_64
  1877. bool
  1878. config NR_CPUS
  1879. int "Maximum number of CPUs (2-64)"
  1880. range 1 64 if NR_CPUS_DEFAULT_1
  1881. depends on SMP
  1882. default "1" if NR_CPUS_DEFAULT_1
  1883. default "2" if NR_CPUS_DEFAULT_2
  1884. default "4" if NR_CPUS_DEFAULT_4
  1885. default "8" if NR_CPUS_DEFAULT_8
  1886. default "16" if NR_CPUS_DEFAULT_16
  1887. default "32" if NR_CPUS_DEFAULT_32
  1888. default "64" if NR_CPUS_DEFAULT_64
  1889. help
  1890. This allows you to specify the maximum number of CPUs which this
  1891. kernel will support. The maximum supported value is 32 for 32-bit
  1892. kernel and 64 for 64-bit kernels; the minimum value which makes
  1893. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1894. and 2 for all others.
  1895. This is purely to save memory - each supported CPU adds
  1896. approximately eight kilobytes to the kernel image. For best
  1897. performance should round up your number of processors to the next
  1898. power of two.
  1899. source "kernel/time/Kconfig"
  1900. #
  1901. # Timer Interrupt Frequency Configuration
  1902. #
  1903. choice
  1904. prompt "Timer frequency"
  1905. default HZ_250
  1906. help
  1907. Allows the configuration of the timer frequency.
  1908. config HZ_48
  1909. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1910. config HZ_100
  1911. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1912. config HZ_128
  1913. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1914. config HZ_250
  1915. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1916. config HZ_256
  1917. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1918. config HZ_1000
  1919. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1920. config HZ_1024
  1921. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1922. endchoice
  1923. config SYS_SUPPORTS_48HZ
  1924. bool
  1925. config SYS_SUPPORTS_100HZ
  1926. bool
  1927. config SYS_SUPPORTS_128HZ
  1928. bool
  1929. config SYS_SUPPORTS_250HZ
  1930. bool
  1931. config SYS_SUPPORTS_256HZ
  1932. bool
  1933. config SYS_SUPPORTS_1000HZ
  1934. bool
  1935. config SYS_SUPPORTS_1024HZ
  1936. bool
  1937. config SYS_SUPPORTS_ARBIT_HZ
  1938. bool
  1939. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1940. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1941. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1942. !SYS_SUPPORTS_1024HZ
  1943. config HZ
  1944. int
  1945. default 48 if HZ_48
  1946. default 100 if HZ_100
  1947. default 128 if HZ_128
  1948. default 250 if HZ_250
  1949. default 256 if HZ_256
  1950. default 1000 if HZ_1000
  1951. default 1024 if HZ_1024
  1952. source "kernel/Kconfig.preempt"
  1953. config KEXEC
  1954. bool "Kexec system call (EXPERIMENTAL)"
  1955. depends on EXPERIMENTAL
  1956. help
  1957. kexec is a system call that implements the ability to shutdown your
  1958. current kernel, and to start another kernel. It is like a reboot
  1959. but it is independent of the system firmware. And like a reboot
  1960. you can start any kernel with it, not just Linux.
  1961. The name comes from the similarity to the exec system call.
  1962. It is an ongoing process to be certain the hardware in a machine
  1963. is properly shutdown, so do not be surprised if this code does not
  1964. initially work for you. It may help to enable device hotplugging
  1965. support. As of this writing the exact hardware interface is
  1966. strongly in flux, so no good recommendation can be made.
  1967. config SECCOMP
  1968. bool "Enable seccomp to safely compute untrusted bytecode"
  1969. depends on PROC_FS
  1970. default y
  1971. help
  1972. This kernel feature is useful for number crunching applications
  1973. that may need to compute untrusted bytecode during their
  1974. execution. By using pipes or other transports made available to
  1975. the process as file descriptors supporting the read/write
  1976. syscalls, it's possible to isolate those applications in
  1977. their own address space using seccomp. Once seccomp is
  1978. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1979. and the task is only allowed to execute a few safe syscalls
  1980. defined by each seccomp mode.
  1981. If unsure, say Y. Only embedded should say N here.
  1982. config USE_OF
  1983. bool "Flattened Device Tree support"
  1984. select OF
  1985. select OF_EARLY_FLATTREE
  1986. select IRQ_DOMAIN
  1987. help
  1988. Include support for flattened device tree machine descriptions.
  1989. endmenu
  1990. config LOCKDEP_SUPPORT
  1991. bool
  1992. default y
  1993. config STACKTRACE_SUPPORT
  1994. bool
  1995. default y
  1996. source "init/Kconfig"
  1997. source "kernel/Kconfig.freezer"
  1998. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1999. config HW_HAS_EISA
  2000. bool
  2001. config HW_HAS_PCI
  2002. bool
  2003. config PCI
  2004. bool "Support for PCI controller"
  2005. depends on HW_HAS_PCI
  2006. select PCI_DOMAINS
  2007. select GENERIC_PCI_IOMAP
  2008. select NO_GENERIC_PCI_IOPORT_MAP
  2009. help
  2010. Find out whether you have a PCI motherboard. PCI is the name of a
  2011. bus system, i.e. the way the CPU talks to the other stuff inside
  2012. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2013. say Y, otherwise N.
  2014. config PCI_DOMAINS
  2015. bool
  2016. source "drivers/pci/Kconfig"
  2017. #
  2018. # ISA support is now enabled via select. Too many systems still have the one
  2019. # or other ISA chip on the board that users don't know about so don't expect
  2020. # users to choose the right thing ...
  2021. #
  2022. config ISA
  2023. bool
  2024. config EISA
  2025. bool "EISA support"
  2026. depends on HW_HAS_EISA
  2027. select ISA
  2028. select GENERIC_ISA_DMA
  2029. ---help---
  2030. The Extended Industry Standard Architecture (EISA) bus was
  2031. developed as an open alternative to the IBM MicroChannel bus.
  2032. The EISA bus provided some of the features of the IBM MicroChannel
  2033. bus while maintaining backward compatibility with cards made for
  2034. the older ISA bus. The EISA bus saw limited use between 1988 and
  2035. 1995 when it was made obsolete by the PCI bus.
  2036. Say Y here if you are building a kernel for an EISA-based machine.
  2037. Otherwise, say N.
  2038. source "drivers/eisa/Kconfig"
  2039. config TC
  2040. bool "TURBOchannel support"
  2041. depends on MACH_DECSTATION
  2042. help
  2043. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2044. processors. TURBOchannel programming specifications are available
  2045. at:
  2046. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2047. and:
  2048. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2049. Linux driver support status is documented at:
  2050. <http://www.linux-mips.org/wiki/DECstation>
  2051. config MMU
  2052. bool
  2053. default y
  2054. config I8253
  2055. bool
  2056. select CLKSRC_I8253
  2057. select CLKEVT_I8253
  2058. select MIPS_EXTERNAL_TIMER
  2059. config ZONE_DMA32
  2060. bool
  2061. source "drivers/pcmcia/Kconfig"
  2062. source "drivers/pci/hotplug/Kconfig"
  2063. config RAPIDIO
  2064. bool "RapidIO support"
  2065. depends on PCI
  2066. default n
  2067. help
  2068. If you say Y here, the kernel will include drivers and
  2069. infrastructure code to support RapidIO interconnect devices.
  2070. source "drivers/rapidio/Kconfig"
  2071. endmenu
  2072. menu "Executable file formats"
  2073. source "fs/Kconfig.binfmt"
  2074. config TRAD_SIGNALS
  2075. bool
  2076. config MIPS32_COMPAT
  2077. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2078. depends on 64BIT
  2079. help
  2080. Select this option if you want Linux/MIPS 32-bit binary
  2081. compatibility. Since all software available for Linux/MIPS is
  2082. currently 32-bit you should say Y here.
  2083. config COMPAT
  2084. bool
  2085. depends on MIPS32_COMPAT
  2086. select ARCH_WANT_OLD_COMPAT_IPC
  2087. default y
  2088. config SYSVIPC_COMPAT
  2089. bool
  2090. depends on COMPAT && SYSVIPC
  2091. default y
  2092. config MIPS32_O32
  2093. bool "Kernel support for o32 binaries"
  2094. depends on MIPS32_COMPAT
  2095. help
  2096. Select this option if you want to run o32 binaries. These are pure
  2097. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2098. existing binaries are in this format.
  2099. If unsure, say Y.
  2100. config MIPS32_N32
  2101. bool "Kernel support for n32 binaries"
  2102. depends on MIPS32_COMPAT
  2103. help
  2104. Select this option if you want to run n32 binaries. These are
  2105. 64-bit binaries using 32-bit quantities for addressing and certain
  2106. data that would normally be 64-bit. They are used in special
  2107. cases.
  2108. If unsure, say N.
  2109. config BINFMT_ELF32
  2110. bool
  2111. default y if MIPS32_O32 || MIPS32_N32
  2112. endmenu
  2113. menu "Power management options"
  2114. config ARCH_HIBERNATION_POSSIBLE
  2115. def_bool y
  2116. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2117. config ARCH_SUSPEND_POSSIBLE
  2118. def_bool y
  2119. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2120. source "kernel/power/Kconfig"
  2121. endmenu
  2122. source "arch/mips/kernel/cpufreq/Kconfig"
  2123. source "net/Kconfig"
  2124. source "drivers/Kconfig"
  2125. source "fs/Kconfig"
  2126. source "arch/mips/Kconfig.debug"
  2127. source "security/Kconfig"
  2128. source "crypto/Kconfig"
  2129. source "lib/Kconfig"