Kconfig 61 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 ARCH_HAVE_CUSTOM_GPIO_H
  12. select HAVE_FUNCTION_TRACER
  13. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  14. select HAVE_DYNAMIC_FTRACE
  15. select HAVE_FTRACE_MCOUNT_RECORD
  16. select HAVE_C_RECORDMCOUNT
  17. select HAVE_FUNCTION_GRAPH_TRACER
  18. select HAVE_KPROBES
  19. select HAVE_KRETPROBES
  20. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  21. select RTC_LIB if !MACH_LOONGSON
  22. select GENERIC_ATOMIC64 if !64BIT
  23. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  24. select HAVE_DMA_ATTRS
  25. select HAVE_DMA_API_DEBUG
  26. select HAVE_GENERIC_HARDIRQS
  27. select GENERIC_IRQ_PROBE
  28. select GENERIC_IRQ_SHOW
  29. select HAVE_ARCH_JUMP_LABEL
  30. select ARCH_WANT_IPC_PARSE_VERSION
  31. select IRQ_FORCED_THREADING
  32. select HAVE_MEMBLOCK
  33. select HAVE_MEMBLOCK_NODE_MAP
  34. select ARCH_DISCARD_MEMBLOCK
  35. select GENERIC_SMP_IDLE_THREAD
  36. select BUILDTIME_EXTABLE_SORT
  37. select GENERIC_CLOCKEVENTS
  38. select GENERIC_CMOS_UPDATE
  39. menu "Machine selection"
  40. config ZONE_DMA
  41. bool
  42. choice
  43. prompt "System type"
  44. default SGI_IP22
  45. config MIPS_ALCHEMY
  46. bool "Alchemy processor based machines"
  47. select 64BIT_PHYS_ADDR
  48. select CEVT_R4K_LIB
  49. select CSRC_R4K_LIB
  50. select IRQ_CPU
  51. select SYS_HAS_CPU_MIPS32_R1
  52. select SYS_SUPPORTS_32BIT_KERNEL
  53. select SYS_SUPPORTS_APM_EMULATION
  54. select GENERIC_GPIO
  55. select ARCH_WANT_OPTIONAL_GPIOLIB
  56. select SYS_SUPPORTS_ZBOOT
  57. select USB_ARCH_HAS_OHCI
  58. select USB_ARCH_HAS_EHCI
  59. config AR7
  60. bool "Texas Instruments AR7"
  61. select BOOT_ELF32
  62. select DMA_NONCOHERENT
  63. select CEVT_R4K
  64. select CSRC_R4K
  65. select IRQ_CPU
  66. select NO_EXCEPT_FILL
  67. select SWAP_IO_SPACE
  68. select SYS_HAS_CPU_MIPS32_R1
  69. select SYS_HAS_EARLY_PRINTK
  70. select SYS_SUPPORTS_32BIT_KERNEL
  71. select SYS_SUPPORTS_LITTLE_ENDIAN
  72. select SYS_SUPPORTS_ZBOOT_UART16550
  73. select ARCH_REQUIRE_GPIOLIB
  74. select VLYNQ
  75. select HAVE_CLK
  76. help
  77. Support for the Texas Instruments AR7 System-on-a-Chip
  78. family: TNETD7100, 7200 and 7300.
  79. config ATH79
  80. bool "Atheros AR71XX/AR724X/AR913X based boards"
  81. select ARCH_REQUIRE_GPIOLIB
  82. select BOOT_RAW
  83. select CEVT_R4K
  84. select CSRC_R4K
  85. select DMA_NONCOHERENT
  86. select IRQ_CPU
  87. select MIPS_MACHINE
  88. select SYS_HAS_CPU_MIPS32_R2
  89. select SYS_HAS_EARLY_PRINTK
  90. select SYS_SUPPORTS_32BIT_KERNEL
  91. select SYS_SUPPORTS_BIG_ENDIAN
  92. help
  93. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  94. config BCM47XX
  95. bool "Broadcom BCM47XX based boards"
  96. select CEVT_R4K
  97. select CSRC_R4K
  98. select DMA_NONCOHERENT
  99. select HW_HAS_PCI
  100. select IRQ_CPU
  101. select SYS_SUPPORTS_32BIT_KERNEL
  102. select SYS_SUPPORTS_LITTLE_ENDIAN
  103. select GENERIC_GPIO
  104. select SYS_HAS_EARLY_PRINTK
  105. select CFE
  106. help
  107. Support for BCM47XX based boards
  108. config BCM63XX
  109. bool "Broadcom BCM63XX based boards"
  110. select CEVT_R4K
  111. select CSRC_R4K
  112. select DMA_NONCOHERENT
  113. select IRQ_CPU
  114. select SYS_HAS_CPU_MIPS32_R1
  115. select SYS_SUPPORTS_32BIT_KERNEL
  116. select SYS_SUPPORTS_BIG_ENDIAN
  117. select SYS_HAS_EARLY_PRINTK
  118. select SWAP_IO_SPACE
  119. select ARCH_REQUIRE_GPIOLIB
  120. help
  121. Support for BCM63XX based boards
  122. config MIPS_COBALT
  123. bool "Cobalt Server"
  124. select CEVT_R4K
  125. select CSRC_R4K
  126. select CEVT_GT641XX
  127. select DMA_NONCOHERENT
  128. select HW_HAS_PCI
  129. select I8253
  130. select I8259
  131. select IRQ_CPU
  132. select IRQ_GT641XX
  133. select PCI_GT64XXX_PCI0
  134. select PCI
  135. select SYS_HAS_CPU_NEVADA
  136. select SYS_HAS_EARLY_PRINTK
  137. select SYS_SUPPORTS_32BIT_KERNEL
  138. select SYS_SUPPORTS_64BIT_KERNEL
  139. select SYS_SUPPORTS_LITTLE_ENDIAN
  140. config MACH_DECSTATION
  141. bool "DECstations"
  142. select BOOT_ELF32
  143. select CEVT_DS1287
  144. select CEVT_R4K
  145. select CSRC_IOASIC
  146. select CSRC_R4K
  147. select CPU_DADDI_WORKAROUNDS if 64BIT
  148. select CPU_R4000_WORKAROUNDS if 64BIT
  149. select CPU_R4400_WORKAROUNDS if 64BIT
  150. select DMA_NONCOHERENT
  151. select NO_IOPORT
  152. select IRQ_CPU
  153. select SYS_HAS_CPU_R3000
  154. select SYS_HAS_CPU_R4X00
  155. select SYS_SUPPORTS_32BIT_KERNEL
  156. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  157. select SYS_SUPPORTS_LITTLE_ENDIAN
  158. select SYS_SUPPORTS_128HZ
  159. select SYS_SUPPORTS_256HZ
  160. select SYS_SUPPORTS_1024HZ
  161. help
  162. This enables support for DEC's MIPS based workstations. For details
  163. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  164. DECstation porting pages on <http://decstation.unix-ag.org/>.
  165. If you have one of the following DECstation Models you definitely
  166. want to choose R4xx0 for the CPU Type:
  167. DECstation 5000/50
  168. DECstation 5000/150
  169. DECstation 5000/260
  170. DECsystem 5900/260
  171. otherwise choose R3000.
  172. config MACH_JAZZ
  173. bool "Jazz family of machines"
  174. select ARC
  175. select ARC32
  176. select ARCH_MAY_HAVE_PC_FDC
  177. select CEVT_R4K
  178. select CSRC_R4K
  179. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  180. select GENERIC_ISA_DMA
  181. select HAVE_PCSPKR_PLATFORM
  182. select IRQ_CPU
  183. select I8253
  184. select I8259
  185. select ISA
  186. select SYS_HAS_CPU_R4X00
  187. select SYS_SUPPORTS_32BIT_KERNEL
  188. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  189. select SYS_SUPPORTS_100HZ
  190. help
  191. This a family of machines based on the MIPS R4030 chipset which was
  192. used by several vendors to build RISC/os and Windows NT workstations.
  193. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  194. Olivetti M700-10 workstations.
  195. config MACH_JZ4740
  196. bool "Ingenic JZ4740 based machines"
  197. select SYS_HAS_CPU_MIPS32_R1
  198. select SYS_SUPPORTS_32BIT_KERNEL
  199. select SYS_SUPPORTS_LITTLE_ENDIAN
  200. select SYS_SUPPORTS_ZBOOT_UART16550
  201. select DMA_NONCOHERENT
  202. select IRQ_CPU
  203. select GENERIC_GPIO
  204. select ARCH_REQUIRE_GPIOLIB
  205. select SYS_HAS_EARLY_PRINTK
  206. select HAVE_PWM
  207. select HAVE_CLK
  208. select GENERIC_IRQ_CHIP
  209. config LANTIQ
  210. bool "Lantiq based platforms"
  211. select DMA_NONCOHERENT
  212. select IRQ_CPU
  213. select CEVT_R4K
  214. select CSRC_R4K
  215. select SYS_HAS_CPU_MIPS32_R1
  216. select SYS_HAS_CPU_MIPS32_R2
  217. select SYS_SUPPORTS_BIG_ENDIAN
  218. select SYS_SUPPORTS_32BIT_KERNEL
  219. select SYS_SUPPORTS_MULTITHREADING
  220. select SYS_HAS_EARLY_PRINTK
  221. select ARCH_REQUIRE_GPIOLIB
  222. select SWAP_IO_SPACE
  223. select BOOT_RAW
  224. select HAVE_MACH_CLKDEV
  225. select CLKDEV_LOOKUP
  226. select USE_OF
  227. config LASAT
  228. bool "LASAT Networks platforms"
  229. select CEVT_R4K
  230. select CSRC_R4K
  231. select DMA_NONCOHERENT
  232. select SYS_HAS_EARLY_PRINTK
  233. select HW_HAS_PCI
  234. select IRQ_CPU
  235. select PCI_GT64XXX_PCI0
  236. select MIPS_NILE4
  237. select R5000_CPU_SCACHE
  238. select SYS_HAS_CPU_R5000
  239. select SYS_SUPPORTS_32BIT_KERNEL
  240. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  241. select SYS_SUPPORTS_LITTLE_ENDIAN
  242. config MACH_LOONGSON
  243. bool "Loongson family of machines"
  244. select SYS_SUPPORTS_ZBOOT
  245. help
  246. This enables the support of Loongson family of machines.
  247. Loongson is a family of general-purpose MIPS-compatible CPUs.
  248. developed at Institute of Computing Technology (ICT),
  249. Chinese Academy of Sciences (CAS) in the People's Republic
  250. of China. The chief architect is Professor Weiwu Hu.
  251. config MACH_LOONGSON1
  252. bool "Loongson 1 family of machines"
  253. select SYS_SUPPORTS_ZBOOT
  254. help
  255. This enables support for the Loongson 1 based machines.
  256. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  257. the ICT (Institute of Computing Technology) and the Chinese Academy
  258. of Sciences.
  259. config MIPS_MALTA
  260. bool "MIPS Malta board"
  261. select ARCH_MAY_HAVE_PC_FDC
  262. select BOOT_ELF32
  263. select BOOT_RAW
  264. select CEVT_R4K
  265. select CSRC_R4K
  266. select DMA_NONCOHERENT
  267. select GENERIC_ISA_DMA
  268. select HAVE_PCSPKR_PLATFORM
  269. select IRQ_CPU
  270. select IRQ_GIC
  271. select HW_HAS_PCI
  272. select I8253
  273. select I8259
  274. select MIPS_BOARDS_GEN
  275. select MIPS_BONITO64
  276. select MIPS_CPU_SCACHE
  277. select PCI_GT64XXX_PCI0
  278. select MIPS_MSC
  279. select SWAP_IO_SPACE
  280. select SYS_HAS_CPU_MIPS32_R1
  281. select SYS_HAS_CPU_MIPS32_R2
  282. select SYS_HAS_CPU_MIPS64_R1
  283. select SYS_HAS_CPU_MIPS64_R2
  284. select SYS_HAS_CPU_NEVADA
  285. select SYS_HAS_CPU_RM7000
  286. select SYS_HAS_EARLY_PRINTK
  287. select SYS_SUPPORTS_32BIT_KERNEL
  288. select SYS_SUPPORTS_64BIT_KERNEL
  289. select SYS_SUPPORTS_BIG_ENDIAN
  290. select SYS_SUPPORTS_LITTLE_ENDIAN
  291. select SYS_SUPPORTS_MIPS_CMP
  292. select SYS_SUPPORTS_MULTITHREADING
  293. select SYS_SUPPORTS_SMARTMIPS
  294. select SYS_SUPPORTS_ZBOOT
  295. help
  296. This enables support for the MIPS Technologies Malta evaluation
  297. board.
  298. config MIPS_SIM
  299. bool 'MIPS simulator (MIPSsim)'
  300. select CEVT_R4K
  301. select CSRC_R4K
  302. select DMA_NONCOHERENT
  303. select SYS_HAS_EARLY_PRINTK
  304. select IRQ_CPU
  305. select BOOT_RAW
  306. select SYS_HAS_CPU_MIPS32_R1
  307. select SYS_HAS_CPU_MIPS32_R2
  308. select SYS_HAS_EARLY_PRINTK
  309. select SYS_SUPPORTS_32BIT_KERNEL
  310. select SYS_SUPPORTS_BIG_ENDIAN
  311. select SYS_SUPPORTS_MULTITHREADING
  312. select SYS_SUPPORTS_LITTLE_ENDIAN
  313. help
  314. This option enables support for MIPS Technologies MIPSsim software
  315. emulator.
  316. config NEC_MARKEINS
  317. bool "NEC EMMA2RH Mark-eins board"
  318. select SOC_EMMA2RH
  319. select HW_HAS_PCI
  320. help
  321. This enables support for the NEC Electronics Mark-eins boards.
  322. config MACH_VR41XX
  323. bool "NEC VR4100 series based machines"
  324. select CEVT_R4K
  325. select CSRC_R4K
  326. select SYS_HAS_CPU_VR41XX
  327. select ARCH_REQUIRE_GPIOLIB
  328. config NXP_STB220
  329. bool "NXP STB220 board"
  330. select SOC_PNX833X
  331. help
  332. Support for NXP Semiconductors STB220 Development Board.
  333. config NXP_STB225
  334. bool "NXP 225 board"
  335. select SOC_PNX833X
  336. select SOC_PNX8335
  337. help
  338. Support for NXP Semiconductors STB225 Development Board.
  339. config PNX8550_JBS
  340. bool "NXP PNX8550 based JBS board"
  341. select PNX8550
  342. select SYS_SUPPORTS_LITTLE_ENDIAN
  343. config PNX8550_STB810
  344. bool "NXP PNX8550 based STB810 board"
  345. select PNX8550
  346. select SYS_SUPPORTS_LITTLE_ENDIAN
  347. config PMC_MSP
  348. bool "PMC-Sierra MSP chipsets"
  349. depends on EXPERIMENTAL
  350. select CEVT_R4K
  351. select CSRC_R4K
  352. select DMA_NONCOHERENT
  353. select SWAP_IO_SPACE
  354. select NO_EXCEPT_FILL
  355. select BOOT_RAW
  356. select SYS_HAS_CPU_MIPS32_R1
  357. select SYS_HAS_CPU_MIPS32_R2
  358. select SYS_SUPPORTS_32BIT_KERNEL
  359. select SYS_SUPPORTS_BIG_ENDIAN
  360. select IRQ_CPU
  361. select SERIAL_8250
  362. select SERIAL_8250_CONSOLE
  363. help
  364. This adds support for the PMC-Sierra family of Multi-Service
  365. Processor System-On-A-Chips. These parts include a number
  366. of integrated peripherals, interfaces and DSPs in addition to
  367. a variety of MIPS cores.
  368. config PMC_YOSEMITE
  369. bool "PMC-Sierra Yosemite eval board"
  370. select CEVT_R4K
  371. select CSRC_R4K
  372. select DMA_COHERENT
  373. select HW_HAS_PCI
  374. select IRQ_CPU
  375. select IRQ_CPU_RM7K
  376. select IRQ_CPU_RM9K
  377. select SWAP_IO_SPACE
  378. select SYS_HAS_CPU_RM9000
  379. select SYS_HAS_EARLY_PRINTK
  380. select SYS_SUPPORTS_32BIT_KERNEL
  381. select SYS_SUPPORTS_64BIT_KERNEL
  382. select SYS_SUPPORTS_BIG_ENDIAN
  383. select SYS_SUPPORTS_HIGHMEM
  384. select SYS_SUPPORTS_SMP
  385. help
  386. Yosemite is an evaluation board for the RM9000x2 processor
  387. manufactured by PMC-Sierra.
  388. config POWERTV
  389. bool "Cisco PowerTV"
  390. select BOOT_ELF32
  391. select CEVT_R4K
  392. select CPU_MIPSR2_IRQ_VI
  393. select CPU_MIPSR2_IRQ_EI
  394. select CSRC_POWERTV
  395. select DMA_NONCOHERENT
  396. select HW_HAS_PCI
  397. select SYS_HAS_EARLY_PRINTK
  398. select SYS_HAS_CPU_MIPS32_R2
  399. select SYS_SUPPORTS_32BIT_KERNEL
  400. select SYS_SUPPORTS_BIG_ENDIAN
  401. select SYS_SUPPORTS_HIGHMEM
  402. select USB_OHCI_LITTLE_ENDIAN
  403. help
  404. This enables support for the Cisco PowerTV Platform.
  405. config SGI_IP22
  406. bool "SGI IP22 (Indy/Indigo2)"
  407. select ARC
  408. select ARC32
  409. select BOOT_ELF32
  410. select CEVT_R4K
  411. select CSRC_R4K
  412. select DEFAULT_SGI_PARTITION
  413. select DMA_NONCOHERENT
  414. select HW_HAS_EISA
  415. select I8253
  416. select I8259
  417. select IP22_CPU_SCACHE
  418. select IRQ_CPU
  419. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  420. select SGI_HAS_I8042
  421. select SGI_HAS_INDYDOG
  422. select SGI_HAS_HAL2
  423. select SGI_HAS_SEEQ
  424. select SGI_HAS_WD93
  425. select SGI_HAS_ZILOG
  426. select SWAP_IO_SPACE
  427. select SYS_HAS_CPU_R4X00
  428. select SYS_HAS_CPU_R5000
  429. #
  430. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  431. # memory during early boot on some machines.
  432. #
  433. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  434. # for a more details discussion
  435. #
  436. # select SYS_HAS_EARLY_PRINTK
  437. select SYS_SUPPORTS_32BIT_KERNEL
  438. select SYS_SUPPORTS_64BIT_KERNEL
  439. select SYS_SUPPORTS_BIG_ENDIAN
  440. help
  441. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  442. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  443. that runs on these, say Y here.
  444. config SGI_IP27
  445. bool "SGI IP27 (Origin200/2000)"
  446. select ARC
  447. select ARC64
  448. select BOOT_ELF64
  449. select DEFAULT_SGI_PARTITION
  450. select DMA_COHERENT
  451. select SYS_HAS_EARLY_PRINTK
  452. select HW_HAS_PCI
  453. select NR_CPUS_DEFAULT_64
  454. select SYS_HAS_CPU_R10000
  455. select SYS_SUPPORTS_64BIT_KERNEL
  456. select SYS_SUPPORTS_BIG_ENDIAN
  457. select SYS_SUPPORTS_NUMA
  458. select SYS_SUPPORTS_SMP
  459. help
  460. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  461. workstations. To compile a Linux kernel that runs on these, say Y
  462. here.
  463. config SGI_IP28
  464. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  465. depends on EXPERIMENTAL
  466. select ARC
  467. select ARC64
  468. select BOOT_ELF64
  469. select CEVT_R4K
  470. select CSRC_R4K
  471. select DEFAULT_SGI_PARTITION
  472. select DMA_NONCOHERENT
  473. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  474. select IRQ_CPU
  475. select HW_HAS_EISA
  476. select I8253
  477. select I8259
  478. select SGI_HAS_I8042
  479. select SGI_HAS_INDYDOG
  480. select SGI_HAS_HAL2
  481. select SGI_HAS_SEEQ
  482. select SGI_HAS_WD93
  483. select SGI_HAS_ZILOG
  484. select SWAP_IO_SPACE
  485. select SYS_HAS_CPU_R10000
  486. #
  487. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  488. # memory during early boot on some machines.
  489. #
  490. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  491. # for a more details discussion
  492. #
  493. # select SYS_HAS_EARLY_PRINTK
  494. select SYS_SUPPORTS_64BIT_KERNEL
  495. select SYS_SUPPORTS_BIG_ENDIAN
  496. help
  497. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  498. kernel that runs on these, say Y here.
  499. config SGI_IP32
  500. bool "SGI IP32 (O2)"
  501. select ARC
  502. select ARC32
  503. select BOOT_ELF32
  504. select CEVT_R4K
  505. select CSRC_R4K
  506. select DMA_NONCOHERENT
  507. select HW_HAS_PCI
  508. select IRQ_CPU
  509. select R5000_CPU_SCACHE
  510. select RM7000_CPU_SCACHE
  511. select SYS_HAS_CPU_R5000
  512. select SYS_HAS_CPU_R10000 if BROKEN
  513. select SYS_HAS_CPU_RM7000
  514. select SYS_HAS_CPU_NEVADA
  515. select SYS_SUPPORTS_64BIT_KERNEL
  516. select SYS_SUPPORTS_BIG_ENDIAN
  517. help
  518. If you want this kernel to run on SGI O2 workstation, say Y here.
  519. config SIBYTE_CRHINE
  520. bool "Sibyte BCM91120C-CRhine"
  521. depends on EXPERIMENTAL
  522. select BOOT_ELF32
  523. select DMA_COHERENT
  524. select SIBYTE_BCM1120
  525. select SWAP_IO_SPACE
  526. select SYS_HAS_CPU_SB1
  527. select SYS_SUPPORTS_BIG_ENDIAN
  528. select SYS_SUPPORTS_LITTLE_ENDIAN
  529. config SIBYTE_CARMEL
  530. bool "Sibyte BCM91120x-Carmel"
  531. depends on EXPERIMENTAL
  532. select BOOT_ELF32
  533. select DMA_COHERENT
  534. select SIBYTE_BCM1120
  535. select SWAP_IO_SPACE
  536. select SYS_HAS_CPU_SB1
  537. select SYS_SUPPORTS_BIG_ENDIAN
  538. select SYS_SUPPORTS_LITTLE_ENDIAN
  539. config SIBYTE_CRHONE
  540. bool "Sibyte BCM91125C-CRhone"
  541. depends on EXPERIMENTAL
  542. select BOOT_ELF32
  543. select DMA_COHERENT
  544. select SIBYTE_BCM1125
  545. select SWAP_IO_SPACE
  546. select SYS_HAS_CPU_SB1
  547. select SYS_SUPPORTS_BIG_ENDIAN
  548. select SYS_SUPPORTS_HIGHMEM
  549. select SYS_SUPPORTS_LITTLE_ENDIAN
  550. config SIBYTE_RHONE
  551. bool "Sibyte BCM91125E-Rhone"
  552. depends on EXPERIMENTAL
  553. select BOOT_ELF32
  554. select DMA_COHERENT
  555. select SIBYTE_BCM1125H
  556. select SWAP_IO_SPACE
  557. select SYS_HAS_CPU_SB1
  558. select SYS_SUPPORTS_BIG_ENDIAN
  559. select SYS_SUPPORTS_LITTLE_ENDIAN
  560. config SIBYTE_SWARM
  561. bool "Sibyte BCM91250A-SWARM"
  562. select BOOT_ELF32
  563. select DMA_COHERENT
  564. select HAVE_PATA_PLATFORM
  565. select NR_CPUS_DEFAULT_2
  566. select SIBYTE_SB1250
  567. select SWAP_IO_SPACE
  568. select SYS_HAS_CPU_SB1
  569. select SYS_SUPPORTS_BIG_ENDIAN
  570. select SYS_SUPPORTS_HIGHMEM
  571. select SYS_SUPPORTS_LITTLE_ENDIAN
  572. select ZONE_DMA32 if 64BIT
  573. config SIBYTE_LITTLESUR
  574. bool "Sibyte BCM91250C2-LittleSur"
  575. depends on EXPERIMENTAL
  576. select BOOT_ELF32
  577. select DMA_COHERENT
  578. select HAVE_PATA_PLATFORM
  579. select NR_CPUS_DEFAULT_2
  580. select SIBYTE_SB1250
  581. select SWAP_IO_SPACE
  582. select SYS_HAS_CPU_SB1
  583. select SYS_SUPPORTS_BIG_ENDIAN
  584. select SYS_SUPPORTS_HIGHMEM
  585. select SYS_SUPPORTS_LITTLE_ENDIAN
  586. config SIBYTE_SENTOSA
  587. bool "Sibyte BCM91250E-Sentosa"
  588. depends on EXPERIMENTAL
  589. select BOOT_ELF32
  590. select DMA_COHERENT
  591. select NR_CPUS_DEFAULT_2
  592. select SIBYTE_SB1250
  593. select SWAP_IO_SPACE
  594. select SYS_HAS_CPU_SB1
  595. select SYS_SUPPORTS_BIG_ENDIAN
  596. select SYS_SUPPORTS_LITTLE_ENDIAN
  597. config SIBYTE_BIGSUR
  598. bool "Sibyte BCM91480B-BigSur"
  599. select BOOT_ELF32
  600. select DMA_COHERENT
  601. select NR_CPUS_DEFAULT_4
  602. select SIBYTE_BCM1x80
  603. select SWAP_IO_SPACE
  604. select SYS_HAS_CPU_SB1
  605. select SYS_SUPPORTS_BIG_ENDIAN
  606. select SYS_SUPPORTS_HIGHMEM
  607. select SYS_SUPPORTS_LITTLE_ENDIAN
  608. select ZONE_DMA32 if 64BIT
  609. config SNI_RM
  610. bool "SNI RM200/300/400"
  611. select ARC if CPU_LITTLE_ENDIAN
  612. select ARC32 if CPU_LITTLE_ENDIAN
  613. select SNIPROM if CPU_BIG_ENDIAN
  614. select ARCH_MAY_HAVE_PC_FDC
  615. select BOOT_ELF32
  616. select CEVT_R4K
  617. select CSRC_R4K
  618. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  619. select DMA_NONCOHERENT
  620. select GENERIC_ISA_DMA
  621. select HAVE_PCSPKR_PLATFORM
  622. select HW_HAS_EISA
  623. select HW_HAS_PCI
  624. select IRQ_CPU
  625. select I8253
  626. select I8259
  627. select ISA
  628. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  629. select SYS_HAS_CPU_R4X00
  630. select SYS_HAS_CPU_R5000
  631. select SYS_HAS_CPU_R10000
  632. select R5000_CPU_SCACHE
  633. select SYS_HAS_EARLY_PRINTK
  634. select SYS_SUPPORTS_32BIT_KERNEL
  635. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  636. select SYS_SUPPORTS_BIG_ENDIAN
  637. select SYS_SUPPORTS_HIGHMEM
  638. select SYS_SUPPORTS_LITTLE_ENDIAN
  639. help
  640. The SNI RM200/300/400 are MIPS-based machines manufactured by
  641. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  642. Technology and now in turn merged with Fujitsu. Say Y here to
  643. support this machine type.
  644. config MACH_TX39XX
  645. bool "Toshiba TX39 series based machines"
  646. config MACH_TX49XX
  647. bool "Toshiba TX49 series based machines"
  648. config MIKROTIK_RB532
  649. bool "Mikrotik RB532 boards"
  650. select CEVT_R4K
  651. select CSRC_R4K
  652. select DMA_NONCOHERENT
  653. select HW_HAS_PCI
  654. select IRQ_CPU
  655. select SYS_HAS_CPU_MIPS32_R1
  656. select SYS_SUPPORTS_32BIT_KERNEL
  657. select SYS_SUPPORTS_LITTLE_ENDIAN
  658. select SWAP_IO_SPACE
  659. select BOOT_RAW
  660. select ARCH_REQUIRE_GPIOLIB
  661. help
  662. Support the Mikrotik(tm) RouterBoard 532 series,
  663. based on the IDT RC32434 SoC.
  664. config WR_PPMC
  665. bool "Wind River PPMC board"
  666. select CEVT_R4K
  667. select CSRC_R4K
  668. select IRQ_CPU
  669. select BOOT_ELF32
  670. select DMA_NONCOHERENT
  671. select HW_HAS_PCI
  672. select PCI_GT64XXX_PCI0
  673. select SWAP_IO_SPACE
  674. select SYS_HAS_CPU_MIPS32_R1
  675. select SYS_HAS_CPU_MIPS32_R2
  676. select SYS_HAS_CPU_MIPS64_R1
  677. select SYS_HAS_CPU_NEVADA
  678. select SYS_HAS_CPU_RM7000
  679. select SYS_SUPPORTS_32BIT_KERNEL
  680. select SYS_SUPPORTS_64BIT_KERNEL
  681. select SYS_SUPPORTS_BIG_ENDIAN
  682. select SYS_SUPPORTS_LITTLE_ENDIAN
  683. help
  684. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  685. board, which is based on GT64120 bridge chip.
  686. config CAVIUM_OCTEON_SIMULATOR
  687. bool "Cavium Networks Octeon Simulator"
  688. select CEVT_R4K
  689. select 64BIT_PHYS_ADDR
  690. select DMA_COHERENT
  691. select SYS_SUPPORTS_64BIT_KERNEL
  692. select SYS_SUPPORTS_BIG_ENDIAN
  693. select SYS_SUPPORTS_HOTPLUG_CPU
  694. select SYS_HAS_CPU_CAVIUM_OCTEON
  695. select HOLES_IN_ZONE
  696. help
  697. The Octeon simulator is software performance model of the Cavium
  698. Octeon Processor. It supports simulating Octeon processors on x86
  699. hardware.
  700. config CAVIUM_OCTEON_REFERENCE_BOARD
  701. bool "Cavium Networks Octeon reference board"
  702. select CEVT_R4K
  703. select 64BIT_PHYS_ADDR
  704. select DMA_COHERENT
  705. select SYS_SUPPORTS_64BIT_KERNEL
  706. select SYS_SUPPORTS_BIG_ENDIAN
  707. select SYS_SUPPORTS_HOTPLUG_CPU
  708. select SYS_HAS_EARLY_PRINTK
  709. select SYS_HAS_CPU_CAVIUM_OCTEON
  710. select SWAP_IO_SPACE
  711. select HW_HAS_PCI
  712. select ARCH_SUPPORTS_MSI
  713. select ZONE_DMA32
  714. select USB_ARCH_HAS_OHCI
  715. select USB_ARCH_HAS_EHCI
  716. select HOLES_IN_ZONE
  717. help
  718. This option supports all of the Octeon reference boards from Cavium
  719. Networks. It builds a kernel that dynamically determines the Octeon
  720. CPU type and supports all known board reference implementations.
  721. Some of the supported boards are:
  722. EBT3000
  723. EBH3000
  724. EBH3100
  725. Thunder
  726. Kodama
  727. Hikari
  728. Say Y here for most Octeon reference boards.
  729. config NLM_XLR_BOARD
  730. bool "Netlogic XLR/XLS based systems"
  731. depends on EXPERIMENTAL
  732. select BOOT_ELF32
  733. select NLM_COMMON
  734. select SYS_HAS_CPU_XLR
  735. select SYS_SUPPORTS_SMP
  736. select HW_HAS_PCI
  737. select SWAP_IO_SPACE
  738. select SYS_SUPPORTS_32BIT_KERNEL
  739. select SYS_SUPPORTS_64BIT_KERNEL
  740. select 64BIT_PHYS_ADDR
  741. select SYS_SUPPORTS_BIG_ENDIAN
  742. select SYS_SUPPORTS_HIGHMEM
  743. select DMA_COHERENT
  744. select NR_CPUS_DEFAULT_32
  745. select CEVT_R4K
  746. select CSRC_R4K
  747. select IRQ_CPU
  748. select ARCH_SUPPORTS_MSI
  749. select ZONE_DMA if 64BIT
  750. select SYNC_R4K
  751. select SYS_HAS_EARLY_PRINTK
  752. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  753. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  754. help
  755. Support for systems based on Netlogic XLR and XLS processors.
  756. Say Y here if you have a XLR or XLS based board.
  757. config NLM_XLP_BOARD
  758. bool "Netlogic XLP based systems"
  759. depends on EXPERIMENTAL
  760. select BOOT_ELF32
  761. select NLM_COMMON
  762. select SYS_HAS_CPU_XLP
  763. select SYS_SUPPORTS_SMP
  764. select HW_HAS_PCI
  765. select SYS_SUPPORTS_32BIT_KERNEL
  766. select SYS_SUPPORTS_64BIT_KERNEL
  767. select 64BIT_PHYS_ADDR
  768. select SYS_SUPPORTS_BIG_ENDIAN
  769. select SYS_SUPPORTS_LITTLE_ENDIAN
  770. select SYS_SUPPORTS_HIGHMEM
  771. select DMA_COHERENT
  772. select NR_CPUS_DEFAULT_32
  773. select CEVT_R4K
  774. select CSRC_R4K
  775. select IRQ_CPU
  776. select ZONE_DMA if 64BIT
  777. select SYNC_R4K
  778. select SYS_HAS_EARLY_PRINTK
  779. help
  780. This board is based on Netlogic XLP Processor.
  781. Say Y here if you have a XLP based board.
  782. endchoice
  783. source "arch/mips/alchemy/Kconfig"
  784. source "arch/mips/ath79/Kconfig"
  785. source "arch/mips/bcm47xx/Kconfig"
  786. source "arch/mips/bcm63xx/Kconfig"
  787. source "arch/mips/jazz/Kconfig"
  788. source "arch/mips/jz4740/Kconfig"
  789. source "arch/mips/lantiq/Kconfig"
  790. source "arch/mips/lasat/Kconfig"
  791. source "arch/mips/pmc-sierra/Kconfig"
  792. source "arch/mips/powertv/Kconfig"
  793. source "arch/mips/sgi-ip27/Kconfig"
  794. source "arch/mips/sibyte/Kconfig"
  795. source "arch/mips/txx9/Kconfig"
  796. source "arch/mips/vr41xx/Kconfig"
  797. source "arch/mips/cavium-octeon/Kconfig"
  798. source "arch/mips/loongson/Kconfig"
  799. source "arch/mips/loongson1/Kconfig"
  800. source "arch/mips/netlogic/Kconfig"
  801. endmenu
  802. config RWSEM_GENERIC_SPINLOCK
  803. bool
  804. default y
  805. config RWSEM_XCHGADD_ALGORITHM
  806. bool
  807. config ARCH_HAS_ILOG2_U32
  808. bool
  809. default n
  810. config ARCH_HAS_ILOG2_U64
  811. bool
  812. default n
  813. config GENERIC_HWEIGHT
  814. bool
  815. default y
  816. config GENERIC_CALIBRATE_DELAY
  817. bool
  818. default y
  819. config SCHED_OMIT_FRAME_POINTER
  820. bool
  821. default y
  822. #
  823. # Select some configuration options automatically based on user selections.
  824. #
  825. config ARC
  826. bool
  827. config ARCH_MAY_HAVE_PC_FDC
  828. bool
  829. config BOOT_RAW
  830. bool
  831. config CEVT_BCM1480
  832. bool
  833. config CEVT_DS1287
  834. bool
  835. config CEVT_GT641XX
  836. bool
  837. config CEVT_R4K_LIB
  838. bool
  839. config CEVT_R4K
  840. select CEVT_R4K_LIB
  841. bool
  842. config CEVT_SB1250
  843. bool
  844. config CEVT_TXX9
  845. bool
  846. config CSRC_BCM1480
  847. bool
  848. config CSRC_IOASIC
  849. bool
  850. config CSRC_POWERTV
  851. bool
  852. config CSRC_R4K_LIB
  853. bool
  854. config CSRC_R4K
  855. select CSRC_R4K_LIB
  856. bool
  857. config CSRC_SB1250
  858. bool
  859. config GPIO_TXX9
  860. select GENERIC_GPIO
  861. select ARCH_REQUIRE_GPIOLIB
  862. bool
  863. config CFE
  864. bool
  865. config ARCH_DMA_ADDR_T_64BIT
  866. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  867. config DMA_COHERENT
  868. bool
  869. config DMA_NONCOHERENT
  870. bool
  871. select NEED_DMA_MAP_STATE
  872. config NEED_DMA_MAP_STATE
  873. bool
  874. config SYS_HAS_EARLY_PRINTK
  875. bool
  876. config HOTPLUG_CPU
  877. bool "Support for hot-pluggable CPUs"
  878. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  879. help
  880. Say Y here to allow turning CPUs off and on. CPUs can be
  881. controlled through /sys/devices/system/cpu.
  882. (Note: power management support will enable this option
  883. automatically on SMP systems. )
  884. Say N if you want to disable CPU hotplug.
  885. config SYS_SUPPORTS_HOTPLUG_CPU
  886. bool
  887. config I8259
  888. bool
  889. config MIPS_BONITO64
  890. bool
  891. config MIPS_MSC
  892. bool
  893. config MIPS_NILE4
  894. bool
  895. config MIPS_DISABLE_OBSOLETE_IDE
  896. bool
  897. config SYNC_R4K
  898. bool
  899. config MIPS_MACHINE
  900. def_bool n
  901. config NO_IOPORT
  902. def_bool n
  903. config GENERIC_ISA_DMA
  904. bool
  905. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  906. select ISA_DMA_API
  907. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  908. bool
  909. select GENERIC_ISA_DMA
  910. config ISA_DMA_API
  911. bool
  912. config GENERIC_GPIO
  913. bool
  914. config HOLES_IN_ZONE
  915. bool
  916. #
  917. # Endianness selection. Sufficiently obscure so many users don't know what to
  918. # answer,so we try hard to limit the available choices. Also the use of a
  919. # choice statement should be more obvious to the user.
  920. #
  921. choice
  922. prompt "Endianness selection"
  923. help
  924. Some MIPS machines can be configured for either little or big endian
  925. byte order. These modes require different kernels and a different
  926. Linux distribution. In general there is one preferred byteorder for a
  927. particular system but some systems are just as commonly used in the
  928. one or the other endianness.
  929. config CPU_BIG_ENDIAN
  930. bool "Big endian"
  931. depends on SYS_SUPPORTS_BIG_ENDIAN
  932. config CPU_LITTLE_ENDIAN
  933. bool "Little endian"
  934. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  935. help
  936. endchoice
  937. config EXPORT_UASM
  938. bool
  939. config SYS_SUPPORTS_APM_EMULATION
  940. bool
  941. config SYS_SUPPORTS_BIG_ENDIAN
  942. bool
  943. config SYS_SUPPORTS_LITTLE_ENDIAN
  944. bool
  945. config SYS_SUPPORTS_HUGETLBFS
  946. bool
  947. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  948. default y
  949. config IRQ_CPU
  950. bool
  951. config IRQ_CPU_RM7K
  952. bool
  953. config IRQ_CPU_RM9K
  954. bool
  955. config IRQ_MSP_SLP
  956. bool
  957. config IRQ_MSP_CIC
  958. bool
  959. config IRQ_TXX9
  960. bool
  961. config IRQ_GT641XX
  962. bool
  963. config IRQ_GIC
  964. bool
  965. config MIPS_BOARDS_GEN
  966. bool
  967. config PCI_GT64XXX_PCI0
  968. bool
  969. config NO_EXCEPT_FILL
  970. bool
  971. config MIPS_RM9122
  972. bool
  973. select SERIAL_RM9000
  974. config SOC_EMMA2RH
  975. bool
  976. select CEVT_R4K
  977. select CSRC_R4K
  978. select DMA_NONCOHERENT
  979. select IRQ_CPU
  980. select SWAP_IO_SPACE
  981. select SYS_HAS_CPU_R5500
  982. select SYS_SUPPORTS_32BIT_KERNEL
  983. select SYS_SUPPORTS_64BIT_KERNEL
  984. select SYS_SUPPORTS_BIG_ENDIAN
  985. config SOC_PNX833X
  986. bool
  987. select CEVT_R4K
  988. select CSRC_R4K
  989. select IRQ_CPU
  990. select DMA_NONCOHERENT
  991. select SYS_HAS_CPU_MIPS32_R2
  992. select SYS_SUPPORTS_32BIT_KERNEL
  993. select SYS_SUPPORTS_LITTLE_ENDIAN
  994. select SYS_SUPPORTS_BIG_ENDIAN
  995. select GENERIC_GPIO
  996. select CPU_MIPSR2_IRQ_VI
  997. config SOC_PNX8335
  998. bool
  999. select SOC_PNX833X
  1000. config PNX8550
  1001. bool
  1002. select SOC_PNX8550
  1003. config SOC_PNX8550
  1004. bool
  1005. select DMA_NONCOHERENT
  1006. select HW_HAS_PCI
  1007. select SYS_HAS_CPU_MIPS32_R1
  1008. select SYS_HAS_EARLY_PRINTK
  1009. select SYS_SUPPORTS_32BIT_KERNEL
  1010. select GENERIC_GPIO
  1011. config SWAP_IO_SPACE
  1012. bool
  1013. config SERIAL_RM9000
  1014. bool
  1015. config SGI_HAS_INDYDOG
  1016. bool
  1017. config SGI_HAS_HAL2
  1018. bool
  1019. config SGI_HAS_SEEQ
  1020. bool
  1021. config SGI_HAS_WD93
  1022. bool
  1023. config SGI_HAS_ZILOG
  1024. bool
  1025. config SGI_HAS_I8042
  1026. bool
  1027. config DEFAULT_SGI_PARTITION
  1028. bool
  1029. config ARC32
  1030. bool
  1031. config SNIPROM
  1032. bool
  1033. config BOOT_ELF32
  1034. bool
  1035. config MIPS_L1_CACHE_SHIFT
  1036. int
  1037. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1038. default "6" if MIPS_CPU_SCACHE
  1039. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1040. default "5"
  1041. config HAVE_STD_PC_SERIAL_PORT
  1042. bool
  1043. config ARC_CONSOLE
  1044. bool "ARC console support"
  1045. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1046. config ARC_MEMORY
  1047. bool
  1048. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1049. default y
  1050. config ARC_PROMLIB
  1051. bool
  1052. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1053. default y
  1054. config ARC64
  1055. bool
  1056. config BOOT_ELF64
  1057. bool
  1058. menu "CPU selection"
  1059. choice
  1060. prompt "CPU type"
  1061. default CPU_R4X00
  1062. config CPU_LOONGSON2E
  1063. bool "Loongson 2E"
  1064. depends on SYS_HAS_CPU_LOONGSON2E
  1065. select CPU_LOONGSON2
  1066. help
  1067. The Loongson 2E processor implements the MIPS III instruction set
  1068. with many extensions.
  1069. It has an internal FPGA northbridge, which is compatible to
  1070. bonito64.
  1071. config CPU_LOONGSON2F
  1072. bool "Loongson 2F"
  1073. depends on SYS_HAS_CPU_LOONGSON2F
  1074. select CPU_LOONGSON2
  1075. select GENERIC_GPIO
  1076. select ARCH_REQUIRE_GPIOLIB
  1077. help
  1078. The Loongson 2F processor implements the MIPS III instruction set
  1079. with many extensions.
  1080. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1081. have a similar programming interface with FPGA northbridge used in
  1082. Loongson2E.
  1083. config CPU_LOONGSON1B
  1084. bool "Loongson 1B"
  1085. depends on SYS_HAS_CPU_LOONGSON1B
  1086. select CPU_LOONGSON1
  1087. help
  1088. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1089. release 2 instruction set.
  1090. config CPU_MIPS32_R1
  1091. bool "MIPS32 Release 1"
  1092. depends on SYS_HAS_CPU_MIPS32_R1
  1093. select CPU_HAS_PREFETCH
  1094. select CPU_SUPPORTS_32BIT_KERNEL
  1095. select CPU_SUPPORTS_HIGHMEM
  1096. help
  1097. Choose this option to build a kernel for release 1 or later of the
  1098. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1099. MIPS processor are based on a MIPS32 processor. If you know the
  1100. specific type of processor in your system, choose those that one
  1101. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1102. Release 2 of the MIPS32 architecture is available since several
  1103. years so chances are you even have a MIPS32 Release 2 processor
  1104. in which case you should choose CPU_MIPS32_R2 instead for better
  1105. performance.
  1106. config CPU_MIPS32_R2
  1107. bool "MIPS32 Release 2"
  1108. depends on SYS_HAS_CPU_MIPS32_R2
  1109. select CPU_HAS_PREFETCH
  1110. select CPU_SUPPORTS_32BIT_KERNEL
  1111. select CPU_SUPPORTS_HIGHMEM
  1112. help
  1113. Choose this option to build a kernel for release 2 or later of the
  1114. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1115. MIPS processor are based on a MIPS32 processor. If you know the
  1116. specific type of processor in your system, choose those that one
  1117. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1118. config CPU_MIPS64_R1
  1119. bool "MIPS64 Release 1"
  1120. depends on SYS_HAS_CPU_MIPS64_R1
  1121. select CPU_HAS_PREFETCH
  1122. select CPU_SUPPORTS_32BIT_KERNEL
  1123. select CPU_SUPPORTS_64BIT_KERNEL
  1124. select CPU_SUPPORTS_HIGHMEM
  1125. select CPU_SUPPORTS_HUGEPAGES
  1126. help
  1127. Choose this option to build a kernel for release 1 or later of the
  1128. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1129. MIPS processor are based on a MIPS64 processor. If you know the
  1130. specific type of processor in your system, choose those that one
  1131. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1132. Release 2 of the MIPS64 architecture is available since several
  1133. years so chances are you even have a MIPS64 Release 2 processor
  1134. in which case you should choose CPU_MIPS64_R2 instead for better
  1135. performance.
  1136. config CPU_MIPS64_R2
  1137. bool "MIPS64 Release 2"
  1138. depends on SYS_HAS_CPU_MIPS64_R2
  1139. select CPU_HAS_PREFETCH
  1140. select CPU_SUPPORTS_32BIT_KERNEL
  1141. select CPU_SUPPORTS_64BIT_KERNEL
  1142. select CPU_SUPPORTS_HIGHMEM
  1143. select CPU_SUPPORTS_HUGEPAGES
  1144. help
  1145. Choose this option to build a kernel for release 2 or later of the
  1146. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1147. MIPS processor are based on a MIPS64 processor. If you know the
  1148. specific type of processor in your system, choose those that one
  1149. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1150. config CPU_R3000
  1151. bool "R3000"
  1152. depends on SYS_HAS_CPU_R3000
  1153. select CPU_HAS_WB
  1154. select CPU_SUPPORTS_32BIT_KERNEL
  1155. select CPU_SUPPORTS_HIGHMEM
  1156. help
  1157. Please make sure to pick the right CPU type. Linux/MIPS is not
  1158. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1159. *not* work on R4000 machines and vice versa. However, since most
  1160. of the supported machines have an R4000 (or similar) CPU, R4x00
  1161. might be a safe bet. If the resulting kernel does not work,
  1162. try to recompile with R3000.
  1163. config CPU_TX39XX
  1164. bool "R39XX"
  1165. depends on SYS_HAS_CPU_TX39XX
  1166. select CPU_SUPPORTS_32BIT_KERNEL
  1167. config CPU_VR41XX
  1168. bool "R41xx"
  1169. depends on SYS_HAS_CPU_VR41XX
  1170. select CPU_SUPPORTS_32BIT_KERNEL
  1171. select CPU_SUPPORTS_64BIT_KERNEL
  1172. help
  1173. The options selects support for the NEC VR4100 series of processors.
  1174. Only choose this option if you have one of these processors as a
  1175. kernel built with this option will not run on any other type of
  1176. processor or vice versa.
  1177. config CPU_R4300
  1178. bool "R4300"
  1179. depends on SYS_HAS_CPU_R4300
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. select CPU_SUPPORTS_64BIT_KERNEL
  1182. help
  1183. MIPS Technologies R4300-series processors.
  1184. config CPU_R4X00
  1185. bool "R4x00"
  1186. depends on SYS_HAS_CPU_R4X00
  1187. select CPU_SUPPORTS_32BIT_KERNEL
  1188. select CPU_SUPPORTS_64BIT_KERNEL
  1189. help
  1190. MIPS Technologies R4000-series processors other than 4300, including
  1191. the R4000, R4400, R4600, and 4700.
  1192. config CPU_TX49XX
  1193. bool "R49XX"
  1194. depends on SYS_HAS_CPU_TX49XX
  1195. select CPU_HAS_PREFETCH
  1196. select CPU_SUPPORTS_32BIT_KERNEL
  1197. select CPU_SUPPORTS_64BIT_KERNEL
  1198. config CPU_R5000
  1199. bool "R5000"
  1200. depends on SYS_HAS_CPU_R5000
  1201. select CPU_SUPPORTS_32BIT_KERNEL
  1202. select CPU_SUPPORTS_64BIT_KERNEL
  1203. help
  1204. MIPS Technologies R5000-series processors other than the Nevada.
  1205. config CPU_R5432
  1206. bool "R5432"
  1207. depends on SYS_HAS_CPU_R5432
  1208. select CPU_SUPPORTS_32BIT_KERNEL
  1209. select CPU_SUPPORTS_64BIT_KERNEL
  1210. config CPU_R5500
  1211. bool "R5500"
  1212. depends on SYS_HAS_CPU_R5500
  1213. select CPU_SUPPORTS_32BIT_KERNEL
  1214. select CPU_SUPPORTS_64BIT_KERNEL
  1215. select CPU_SUPPORTS_HUGEPAGES
  1216. help
  1217. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1218. instruction set.
  1219. config CPU_R6000
  1220. bool "R6000"
  1221. depends on EXPERIMENTAL
  1222. depends on SYS_HAS_CPU_R6000
  1223. select CPU_SUPPORTS_32BIT_KERNEL
  1224. help
  1225. MIPS Technologies R6000 and R6000A series processors. Note these
  1226. processors are extremely rare and the support for them is incomplete.
  1227. config CPU_NEVADA
  1228. bool "RM52xx"
  1229. depends on SYS_HAS_CPU_NEVADA
  1230. select CPU_SUPPORTS_32BIT_KERNEL
  1231. select CPU_SUPPORTS_64BIT_KERNEL
  1232. help
  1233. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1234. config CPU_R8000
  1235. bool "R8000"
  1236. depends on EXPERIMENTAL
  1237. depends on SYS_HAS_CPU_R8000
  1238. select CPU_HAS_PREFETCH
  1239. select CPU_SUPPORTS_64BIT_KERNEL
  1240. help
  1241. MIPS Technologies R8000 processors. Note these processors are
  1242. uncommon and the support for them is incomplete.
  1243. config CPU_R10000
  1244. bool "R10000"
  1245. depends on SYS_HAS_CPU_R10000
  1246. select CPU_HAS_PREFETCH
  1247. select CPU_SUPPORTS_32BIT_KERNEL
  1248. select CPU_SUPPORTS_64BIT_KERNEL
  1249. select CPU_SUPPORTS_HIGHMEM
  1250. help
  1251. MIPS Technologies R10000-series processors.
  1252. config CPU_RM7000
  1253. bool "RM7000"
  1254. depends on SYS_HAS_CPU_RM7000
  1255. select CPU_HAS_PREFETCH
  1256. select CPU_SUPPORTS_32BIT_KERNEL
  1257. select CPU_SUPPORTS_64BIT_KERNEL
  1258. select CPU_SUPPORTS_HIGHMEM
  1259. config CPU_RM9000
  1260. bool "RM9000"
  1261. depends on SYS_HAS_CPU_RM9000
  1262. select CPU_HAS_PREFETCH
  1263. select CPU_SUPPORTS_32BIT_KERNEL
  1264. select CPU_SUPPORTS_64BIT_KERNEL
  1265. select CPU_SUPPORTS_HIGHMEM
  1266. select WEAK_ORDERING
  1267. config CPU_SB1
  1268. bool "SB1"
  1269. depends on SYS_HAS_CPU_SB1
  1270. select CPU_SUPPORTS_32BIT_KERNEL
  1271. select CPU_SUPPORTS_64BIT_KERNEL
  1272. select CPU_SUPPORTS_HIGHMEM
  1273. select WEAK_ORDERING
  1274. config CPU_CAVIUM_OCTEON
  1275. bool "Cavium Octeon processor"
  1276. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1277. select ARCH_SPARSEMEM_ENABLE
  1278. select CPU_HAS_PREFETCH
  1279. select CPU_SUPPORTS_64BIT_KERNEL
  1280. select SYS_SUPPORTS_SMP
  1281. select NR_CPUS_DEFAULT_16
  1282. select WEAK_ORDERING
  1283. select CPU_SUPPORTS_HIGHMEM
  1284. select CPU_SUPPORTS_HUGEPAGES
  1285. select LIBFDT
  1286. select USE_OF
  1287. help
  1288. The Cavium Octeon processor is a highly integrated chip containing
  1289. many ethernet hardware widgets for networking tasks. The processor
  1290. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1291. Full details can be found at http://www.caviumnetworks.com.
  1292. config CPU_BMIPS3300
  1293. bool "BMIPS3300"
  1294. depends on SYS_HAS_CPU_BMIPS3300
  1295. select CPU_BMIPS
  1296. help
  1297. Broadcom BMIPS3300 processors.
  1298. config CPU_BMIPS4350
  1299. bool "BMIPS4350"
  1300. depends on SYS_HAS_CPU_BMIPS4350
  1301. select CPU_BMIPS
  1302. select SYS_SUPPORTS_SMP
  1303. select SYS_SUPPORTS_HOTPLUG_CPU
  1304. help
  1305. Broadcom BMIPS4350 ("VIPER") processors.
  1306. config CPU_BMIPS4380
  1307. bool "BMIPS4380"
  1308. depends on SYS_HAS_CPU_BMIPS4380
  1309. select CPU_BMIPS
  1310. select SYS_SUPPORTS_SMP
  1311. select SYS_SUPPORTS_HOTPLUG_CPU
  1312. help
  1313. Broadcom BMIPS4380 processors.
  1314. config CPU_BMIPS5000
  1315. bool "BMIPS5000"
  1316. depends on SYS_HAS_CPU_BMIPS5000
  1317. select CPU_BMIPS
  1318. select CPU_SUPPORTS_HIGHMEM
  1319. select MIPS_CPU_SCACHE
  1320. select SYS_SUPPORTS_SMP
  1321. select SYS_SUPPORTS_HOTPLUG_CPU
  1322. help
  1323. Broadcom BMIPS5000 processors.
  1324. config CPU_XLR
  1325. bool "Netlogic XLR SoC"
  1326. depends on SYS_HAS_CPU_XLR
  1327. select CPU_SUPPORTS_32BIT_KERNEL
  1328. select CPU_SUPPORTS_64BIT_KERNEL
  1329. select CPU_SUPPORTS_HIGHMEM
  1330. select WEAK_ORDERING
  1331. select WEAK_REORDERING_BEYOND_LLSC
  1332. select CPU_SUPPORTS_HUGEPAGES
  1333. help
  1334. Netlogic Microsystems XLR/XLS processors.
  1335. config CPU_XLP
  1336. bool "Netlogic XLP SoC"
  1337. depends on SYS_HAS_CPU_XLP
  1338. select CPU_SUPPORTS_32BIT_KERNEL
  1339. select CPU_SUPPORTS_64BIT_KERNEL
  1340. select CPU_SUPPORTS_HIGHMEM
  1341. select CPU_HAS_LLSC
  1342. select WEAK_ORDERING
  1343. select WEAK_REORDERING_BEYOND_LLSC
  1344. select CPU_HAS_PREFETCH
  1345. help
  1346. Netlogic Microsystems XLP processors.
  1347. endchoice
  1348. if CPU_LOONGSON2F
  1349. config CPU_NOP_WORKAROUNDS
  1350. bool
  1351. config CPU_JUMP_WORKAROUNDS
  1352. bool
  1353. config CPU_LOONGSON2F_WORKAROUNDS
  1354. bool "Loongson 2F Workarounds"
  1355. default y
  1356. select CPU_NOP_WORKAROUNDS
  1357. select CPU_JUMP_WORKAROUNDS
  1358. help
  1359. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1360. require workarounds. Without workarounds the system may hang
  1361. unexpectedly. For more information please refer to the gas
  1362. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1363. Loongson 2F03 and later have fixed these issues and no workarounds
  1364. are needed. The workarounds have no significant side effect on them
  1365. but may decrease the performance of the system so this option should
  1366. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1367. systems.
  1368. If unsure, please say Y.
  1369. endif # CPU_LOONGSON2F
  1370. config SYS_SUPPORTS_ZBOOT
  1371. bool
  1372. select HAVE_KERNEL_GZIP
  1373. select HAVE_KERNEL_BZIP2
  1374. select HAVE_KERNEL_LZMA
  1375. select HAVE_KERNEL_LZO
  1376. config SYS_SUPPORTS_ZBOOT_UART16550
  1377. bool
  1378. select SYS_SUPPORTS_ZBOOT
  1379. config CPU_LOONGSON2
  1380. bool
  1381. select CPU_SUPPORTS_32BIT_KERNEL
  1382. select CPU_SUPPORTS_64BIT_KERNEL
  1383. select CPU_SUPPORTS_HIGHMEM
  1384. config CPU_LOONGSON1
  1385. bool
  1386. select CPU_MIPS32
  1387. select CPU_MIPSR2
  1388. select CPU_HAS_PREFETCH
  1389. select CPU_SUPPORTS_32BIT_KERNEL
  1390. select CPU_SUPPORTS_HIGHMEM
  1391. config CPU_BMIPS
  1392. bool
  1393. select CPU_MIPS32
  1394. select CPU_SUPPORTS_32BIT_KERNEL
  1395. select DMA_NONCOHERENT
  1396. select IRQ_CPU
  1397. select SWAP_IO_SPACE
  1398. select WEAK_ORDERING
  1399. config SYS_HAS_CPU_LOONGSON2E
  1400. bool
  1401. config SYS_HAS_CPU_LOONGSON2F
  1402. bool
  1403. select CPU_SUPPORTS_CPUFREQ
  1404. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1405. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1406. config SYS_HAS_CPU_LOONGSON1B
  1407. bool
  1408. config SYS_HAS_CPU_MIPS32_R1
  1409. bool
  1410. config SYS_HAS_CPU_MIPS32_R2
  1411. bool
  1412. config SYS_HAS_CPU_MIPS64_R1
  1413. bool
  1414. config SYS_HAS_CPU_MIPS64_R2
  1415. bool
  1416. config SYS_HAS_CPU_R3000
  1417. bool
  1418. config SYS_HAS_CPU_TX39XX
  1419. bool
  1420. config SYS_HAS_CPU_VR41XX
  1421. bool
  1422. config SYS_HAS_CPU_R4300
  1423. bool
  1424. config SYS_HAS_CPU_R4X00
  1425. bool
  1426. config SYS_HAS_CPU_TX49XX
  1427. bool
  1428. config SYS_HAS_CPU_R5000
  1429. bool
  1430. config SYS_HAS_CPU_R5432
  1431. bool
  1432. config SYS_HAS_CPU_R5500
  1433. bool
  1434. config SYS_HAS_CPU_R6000
  1435. bool
  1436. config SYS_HAS_CPU_NEVADA
  1437. bool
  1438. config SYS_HAS_CPU_R8000
  1439. bool
  1440. config SYS_HAS_CPU_R10000
  1441. bool
  1442. config SYS_HAS_CPU_RM7000
  1443. bool
  1444. config SYS_HAS_CPU_RM9000
  1445. bool
  1446. config SYS_HAS_CPU_SB1
  1447. bool
  1448. config SYS_HAS_CPU_CAVIUM_OCTEON
  1449. bool
  1450. config SYS_HAS_CPU_BMIPS3300
  1451. bool
  1452. config SYS_HAS_CPU_BMIPS4350
  1453. bool
  1454. config SYS_HAS_CPU_BMIPS4380
  1455. bool
  1456. config SYS_HAS_CPU_BMIPS5000
  1457. bool
  1458. config SYS_HAS_CPU_XLR
  1459. bool
  1460. config SYS_HAS_CPU_XLP
  1461. bool
  1462. #
  1463. # CPU may reorder R->R, R->W, W->R, W->W
  1464. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1465. #
  1466. config WEAK_ORDERING
  1467. bool
  1468. #
  1469. # CPU may reorder reads and writes beyond LL/SC
  1470. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1471. #
  1472. config WEAK_REORDERING_BEYOND_LLSC
  1473. bool
  1474. endmenu
  1475. #
  1476. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1477. #
  1478. config CPU_MIPS32
  1479. bool
  1480. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1481. config CPU_MIPS64
  1482. bool
  1483. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1484. #
  1485. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1486. #
  1487. config CPU_MIPSR1
  1488. bool
  1489. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1490. config CPU_MIPSR2
  1491. bool
  1492. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1493. config SYS_SUPPORTS_32BIT_KERNEL
  1494. bool
  1495. config SYS_SUPPORTS_64BIT_KERNEL
  1496. bool
  1497. config CPU_SUPPORTS_32BIT_KERNEL
  1498. bool
  1499. config CPU_SUPPORTS_64BIT_KERNEL
  1500. bool
  1501. config CPU_SUPPORTS_CPUFREQ
  1502. bool
  1503. config CPU_SUPPORTS_ADDRWINCFG
  1504. bool
  1505. config CPU_SUPPORTS_HUGEPAGES
  1506. bool
  1507. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1508. bool
  1509. config MIPS_PGD_C0_CONTEXT
  1510. bool
  1511. default y if 64BIT && CPU_MIPSR2
  1512. #
  1513. # Set to y for ptrace access to watch registers.
  1514. #
  1515. config HARDWARE_WATCHPOINTS
  1516. bool
  1517. default y if CPU_MIPSR1 || CPU_MIPSR2
  1518. menu "Kernel type"
  1519. choice
  1520. prompt "Kernel code model"
  1521. help
  1522. You should only select this option if you have a workload that
  1523. actually benefits from 64-bit processing or if your machine has
  1524. large memory. You will only be presented a single option in this
  1525. menu if your system does not support both 32-bit and 64-bit kernels.
  1526. config 32BIT
  1527. bool "32-bit kernel"
  1528. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1529. select TRAD_SIGNALS
  1530. help
  1531. Select this option if you want to build a 32-bit kernel.
  1532. config 64BIT
  1533. bool "64-bit kernel"
  1534. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1535. select HAVE_SYSCALL_WRAPPERS
  1536. help
  1537. Select this option if you want to build a 64-bit kernel.
  1538. endchoice
  1539. choice
  1540. prompt "Kernel page size"
  1541. default PAGE_SIZE_4KB
  1542. config PAGE_SIZE_4KB
  1543. bool "4kB"
  1544. depends on !CPU_LOONGSON2
  1545. help
  1546. This option select the standard 4kB Linux page size. On some
  1547. R3000-family processors this is the only available page size. Using
  1548. 4kB page size will minimize memory consumption and is therefore
  1549. recommended for low memory systems.
  1550. config PAGE_SIZE_8KB
  1551. bool "8kB"
  1552. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1553. help
  1554. Using 8kB page size will result in higher performance kernel at
  1555. the price of higher memory consumption. This option is available
  1556. only on R8000 and cnMIPS processors. Note that you will need a
  1557. suitable Linux distribution to support this.
  1558. config PAGE_SIZE_16KB
  1559. bool "16kB"
  1560. depends on !CPU_R3000 && !CPU_TX39XX
  1561. help
  1562. Using 16kB page size will result in higher performance kernel at
  1563. the price of higher memory consumption. This option is available on
  1564. all non-R3000 family processors. Note that you will need a suitable
  1565. Linux distribution to support this.
  1566. config PAGE_SIZE_32KB
  1567. bool "32kB"
  1568. depends on CPU_CAVIUM_OCTEON
  1569. help
  1570. Using 32kB page size will result in higher performance kernel at
  1571. the price of higher memory consumption. This option is available
  1572. only on cnMIPS cores. Note that you will need a suitable Linux
  1573. distribution to support this.
  1574. config PAGE_SIZE_64KB
  1575. bool "64kB"
  1576. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1577. help
  1578. Using 64kB page size will result in higher performance kernel at
  1579. the price of higher memory consumption. This option is available on
  1580. all non-R3000 family processor. Not that at the time of this
  1581. writing this option is still high experimental.
  1582. endchoice
  1583. config FORCE_MAX_ZONEORDER
  1584. int "Maximum zone order"
  1585. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1586. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1587. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1588. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1589. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1590. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1591. range 11 64
  1592. default "11"
  1593. help
  1594. The kernel memory allocator divides physically contiguous memory
  1595. blocks into "zones", where each zone is a power of two number of
  1596. pages. This option selects the largest power of two that the kernel
  1597. keeps in the memory allocator. If you need to allocate very large
  1598. blocks of physically contiguous memory, then you may need to
  1599. increase this value.
  1600. This config option is actually maximum order plus one. For example,
  1601. a value of 11 means that the largest free memory block is 2^10 pages.
  1602. The page size is not necessarily 4KB. Keep this in mind
  1603. when choosing a value for this option.
  1604. config BOARD_SCACHE
  1605. bool
  1606. config IP22_CPU_SCACHE
  1607. bool
  1608. select BOARD_SCACHE
  1609. #
  1610. # Support for a MIPS32 / MIPS64 style S-caches
  1611. #
  1612. config MIPS_CPU_SCACHE
  1613. bool
  1614. select BOARD_SCACHE
  1615. config R5000_CPU_SCACHE
  1616. bool
  1617. select BOARD_SCACHE
  1618. config RM7000_CPU_SCACHE
  1619. bool
  1620. select BOARD_SCACHE
  1621. config SIBYTE_DMA_PAGEOPS
  1622. bool "Use DMA to clear/copy pages"
  1623. depends on CPU_SB1
  1624. help
  1625. Instead of using the CPU to zero and copy pages, use a Data Mover
  1626. channel. These DMA channels are otherwise unused by the standard
  1627. SiByte Linux port. Seems to give a small performance benefit.
  1628. config CPU_HAS_PREFETCH
  1629. bool
  1630. choice
  1631. prompt "MIPS MT options"
  1632. config MIPS_MT_DISABLED
  1633. bool "Disable multithreading support."
  1634. help
  1635. Use this option if your workload can't take advantage of
  1636. MIPS hardware multithreading support. On systems that don't have
  1637. the option of an MT-enabled processor this option will be the only
  1638. option in this menu.
  1639. config MIPS_MT_SMP
  1640. bool "Use 1 TC on each available VPE for SMP"
  1641. depends on SYS_SUPPORTS_MULTITHREADING
  1642. select CPU_MIPSR2_IRQ_VI
  1643. select CPU_MIPSR2_IRQ_EI
  1644. select MIPS_MT
  1645. select NR_CPUS_DEFAULT_2
  1646. select SMP
  1647. select SYS_SUPPORTS_SCHED_SMT if SMP
  1648. select SYS_SUPPORTS_SMP
  1649. select SMP_UP
  1650. help
  1651. This is a kernel model which is known a VSMP but lately has been
  1652. marketesed into SMVP.
  1653. Virtual SMP uses the processor's VPEs to implement virtual
  1654. processors. In currently available configuration of the 34K processor
  1655. this allows for a dual processor. Both processors will share the same
  1656. primary caches; each will obtain the half of the TLB for it's own
  1657. exclusive use. For a layman this model can be described as similar to
  1658. what Intel calls Hyperthreading.
  1659. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1660. config MIPS_MT_SMTC
  1661. bool "SMTC: Use all TCs on all VPEs for SMP"
  1662. depends on CPU_MIPS32_R2
  1663. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1664. depends on SYS_SUPPORTS_MULTITHREADING
  1665. select CPU_MIPSR2_IRQ_VI
  1666. select CPU_MIPSR2_IRQ_EI
  1667. select MIPS_MT
  1668. select NR_CPUS_DEFAULT_8
  1669. select SMP
  1670. select SYS_SUPPORTS_SMP
  1671. select SMP_UP
  1672. help
  1673. This is a kernel model which is known a SMTC or lately has been
  1674. marketesed into SMVP.
  1675. is presenting the available TC's of the core as processors to Linux.
  1676. On currently available 34K processors this means a Linux system will
  1677. see up to 5 processors. The implementation of the SMTC kernel differs
  1678. significantly from VSMP and cannot efficiently coexist in the same
  1679. kernel binary so the choice between VSMP and SMTC is a compile time
  1680. decision.
  1681. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1682. endchoice
  1683. config MIPS_MT
  1684. bool
  1685. config SCHED_SMT
  1686. bool "SMT (multithreading) scheduler support"
  1687. depends on SYS_SUPPORTS_SCHED_SMT
  1688. default n
  1689. help
  1690. SMT scheduler support improves the CPU scheduler's decision making
  1691. when dealing with MIPS MT enabled cores at a cost of slightly
  1692. increased overhead in some places. If unsure say N here.
  1693. config SYS_SUPPORTS_SCHED_SMT
  1694. bool
  1695. config SYS_SUPPORTS_MULTITHREADING
  1696. bool
  1697. config MIPS_MT_FPAFF
  1698. bool "Dynamic FPU affinity for FP-intensive threads"
  1699. default y
  1700. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1701. config MIPS_VPE_LOADER
  1702. bool "VPE loader support."
  1703. depends on SYS_SUPPORTS_MULTITHREADING
  1704. select CPU_MIPSR2_IRQ_VI
  1705. select CPU_MIPSR2_IRQ_EI
  1706. select MIPS_MT
  1707. help
  1708. Includes a loader for loading an elf relocatable object
  1709. onto another VPE and running it.
  1710. config MIPS_MT_SMTC_IM_BACKSTOP
  1711. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1712. depends on MIPS_MT_SMTC
  1713. default n
  1714. help
  1715. To support multiple TC microthreads acting as "CPUs" within
  1716. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1717. during interrupt handling. To support legacy drivers and interrupt
  1718. controller management code, SMTC has a "backstop" to track and
  1719. if necessary restore the interrupt mask. This has some performance
  1720. impact on interrupt service overhead.
  1721. config MIPS_MT_SMTC_IRQAFF
  1722. bool "Support IRQ affinity API"
  1723. depends on MIPS_MT_SMTC
  1724. default n
  1725. help
  1726. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1727. for SMTC Linux kernel. Requires platform support, of which
  1728. an example can be found in the MIPS kernel i8259 and Malta
  1729. platform code. Adds some overhead to interrupt dispatch, and
  1730. should be used only if you know what you are doing.
  1731. config MIPS_VPE_LOADER_TOM
  1732. bool "Load VPE program into memory hidden from linux"
  1733. depends on MIPS_VPE_LOADER
  1734. default y
  1735. help
  1736. The loader can use memory that is present but has been hidden from
  1737. Linux using the kernel command line option "mem=xxMB". It's up to
  1738. you to ensure the amount you put in the option and the space your
  1739. program requires is less or equal to the amount physically present.
  1740. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1741. config MIPS_VPE_APSP_API
  1742. bool "Enable support for AP/SP API (RTLX)"
  1743. depends on MIPS_VPE_LOADER
  1744. help
  1745. config MIPS_APSP_KSPD
  1746. bool "Enable KSPD"
  1747. depends on MIPS_VPE_APSP_API
  1748. default y
  1749. help
  1750. KSPD is a kernel daemon that accepts syscall requests from the SP
  1751. side, actions them and returns the results. It also handles the
  1752. "exit" syscall notifying other kernel modules the SP program is
  1753. exiting. You probably want to say yes here.
  1754. config MIPS_CMP
  1755. bool "MIPS CMP framework support"
  1756. depends on SYS_SUPPORTS_MIPS_CMP
  1757. select SYNC_R4K
  1758. select SYS_SUPPORTS_SMP
  1759. select SYS_SUPPORTS_SCHED_SMT if SMP
  1760. select WEAK_ORDERING
  1761. default n
  1762. help
  1763. This is a placeholder option for the GCMP work. It will need to
  1764. be handled differently...
  1765. config SB1_PASS_1_WORKAROUNDS
  1766. bool
  1767. depends on CPU_SB1_PASS_1
  1768. default y
  1769. config SB1_PASS_2_WORKAROUNDS
  1770. bool
  1771. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1772. default y
  1773. config SB1_PASS_2_1_WORKAROUNDS
  1774. bool
  1775. depends on CPU_SB1 && CPU_SB1_PASS_2
  1776. default y
  1777. config 64BIT_PHYS_ADDR
  1778. bool
  1779. config ARCH_PHYS_ADDR_T_64BIT
  1780. def_bool 64BIT_PHYS_ADDR
  1781. config CPU_HAS_SMARTMIPS
  1782. depends on SYS_SUPPORTS_SMARTMIPS
  1783. bool "Support for the SmartMIPS ASE"
  1784. help
  1785. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1786. increased security at both hardware and software level for
  1787. smartcards. Enabling this option will allow proper use of the
  1788. SmartMIPS instructions by Linux applications. However a kernel with
  1789. this option will not work on a MIPS core without SmartMIPS core. If
  1790. you don't know you probably don't have SmartMIPS and should say N
  1791. here.
  1792. config CPU_HAS_WB
  1793. bool
  1794. config XKS01
  1795. bool
  1796. #
  1797. # Vectored interrupt mode is an R2 feature
  1798. #
  1799. config CPU_MIPSR2_IRQ_VI
  1800. bool
  1801. #
  1802. # Extended interrupt mode is an R2 feature
  1803. #
  1804. config CPU_MIPSR2_IRQ_EI
  1805. bool
  1806. config CPU_HAS_SYNC
  1807. bool
  1808. depends on !CPU_R3000
  1809. default y
  1810. #
  1811. # CPU non-features
  1812. #
  1813. config CPU_DADDI_WORKAROUNDS
  1814. bool
  1815. config CPU_R4000_WORKAROUNDS
  1816. bool
  1817. select CPU_R4400_WORKAROUNDS
  1818. config CPU_R4400_WORKAROUNDS
  1819. bool
  1820. #
  1821. # - Highmem only makes sense for the 32-bit kernel.
  1822. # - The current highmem code will only work properly on physically indexed
  1823. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1824. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1825. # moment we protect the user and offer the highmem option only on machines
  1826. # where it's known to be safe. This will not offer highmem on a few systems
  1827. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1828. # indexed CPUs but we're playing safe.
  1829. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1830. # know they might have memory configurations that could make use of highmem
  1831. # support.
  1832. #
  1833. config HIGHMEM
  1834. bool "High Memory Support"
  1835. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1836. config CPU_SUPPORTS_HIGHMEM
  1837. bool
  1838. config SYS_SUPPORTS_HIGHMEM
  1839. bool
  1840. config SYS_SUPPORTS_SMARTMIPS
  1841. bool
  1842. config ARCH_FLATMEM_ENABLE
  1843. def_bool y
  1844. depends on !NUMA && !CPU_LOONGSON2
  1845. config ARCH_DISCONTIGMEM_ENABLE
  1846. bool
  1847. default y if SGI_IP27
  1848. help
  1849. Say Y to support efficient handling of discontiguous physical memory,
  1850. for architectures which are either NUMA (Non-Uniform Memory Access)
  1851. or have huge holes in the physical address space for other reasons.
  1852. See <file:Documentation/vm/numa> for more.
  1853. config ARCH_SPARSEMEM_ENABLE
  1854. bool
  1855. select SPARSEMEM_STATIC
  1856. config NUMA
  1857. bool "NUMA Support"
  1858. depends on SYS_SUPPORTS_NUMA
  1859. help
  1860. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1861. Access). This option improves performance on systems with more
  1862. than two nodes; on two node systems it is generally better to
  1863. leave it disabled; on single node systems disable this option
  1864. disabled.
  1865. config SYS_SUPPORTS_NUMA
  1866. bool
  1867. config NODES_SHIFT
  1868. int
  1869. default "6"
  1870. depends on NEED_MULTIPLE_NODES
  1871. config HW_PERF_EVENTS
  1872. bool "Enable hardware performance counter support for perf events"
  1873. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1874. default y
  1875. help
  1876. Enable hardware performance counter support for perf events. If
  1877. disabled, perf events will use software events only.
  1878. source "mm/Kconfig"
  1879. config SMP
  1880. bool "Multi-Processing support"
  1881. depends on SYS_SUPPORTS_SMP
  1882. select IRQ_PER_CPU
  1883. select USE_GENERIC_SMP_HELPERS
  1884. help
  1885. This enables support for systems with more than one CPU. If you have
  1886. a system with only one CPU, like most personal computers, say N. If
  1887. you have a system with more than one CPU, say Y.
  1888. If you say N here, the kernel will run on single and multiprocessor
  1889. machines, but will use only one CPU of a multiprocessor machine. If
  1890. you say Y here, the kernel will run on many, but not all,
  1891. singleprocessor machines. On a singleprocessor machine, the kernel
  1892. will run faster if you say N here.
  1893. People using multiprocessor machines who say Y here should also say
  1894. Y to "Enhanced Real Time Clock Support", below.
  1895. See also the SMP-HOWTO available at
  1896. <http://www.tldp.org/docs.html#howto>.
  1897. If you don't know what to do here, say N.
  1898. config SMP_UP
  1899. bool
  1900. config SYS_SUPPORTS_MIPS_CMP
  1901. bool
  1902. config SYS_SUPPORTS_SMP
  1903. bool
  1904. config NR_CPUS_DEFAULT_1
  1905. bool
  1906. config NR_CPUS_DEFAULT_2
  1907. bool
  1908. config NR_CPUS_DEFAULT_4
  1909. bool
  1910. config NR_CPUS_DEFAULT_8
  1911. bool
  1912. config NR_CPUS_DEFAULT_16
  1913. bool
  1914. config NR_CPUS_DEFAULT_32
  1915. bool
  1916. config NR_CPUS_DEFAULT_64
  1917. bool
  1918. config NR_CPUS
  1919. int "Maximum number of CPUs (2-64)"
  1920. range 1 64 if NR_CPUS_DEFAULT_1
  1921. depends on SMP
  1922. default "1" if NR_CPUS_DEFAULT_1
  1923. default "2" if NR_CPUS_DEFAULT_2
  1924. default "4" if NR_CPUS_DEFAULT_4
  1925. default "8" if NR_CPUS_DEFAULT_8
  1926. default "16" if NR_CPUS_DEFAULT_16
  1927. default "32" if NR_CPUS_DEFAULT_32
  1928. default "64" if NR_CPUS_DEFAULT_64
  1929. help
  1930. This allows you to specify the maximum number of CPUs which this
  1931. kernel will support. The maximum supported value is 32 for 32-bit
  1932. kernel and 64 for 64-bit kernels; the minimum value which makes
  1933. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1934. and 2 for all others.
  1935. This is purely to save memory - each supported CPU adds
  1936. approximately eight kilobytes to the kernel image. For best
  1937. performance should round up your number of processors to the next
  1938. power of two.
  1939. #
  1940. # Timer Interrupt Frequency Configuration
  1941. #
  1942. choice
  1943. prompt "Timer frequency"
  1944. default HZ_250
  1945. help
  1946. Allows the configuration of the timer frequency.
  1947. config HZ_48
  1948. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1949. config HZ_100
  1950. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1951. config HZ_128
  1952. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1953. config HZ_250
  1954. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1955. config HZ_256
  1956. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1957. config HZ_1000
  1958. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1959. config HZ_1024
  1960. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1961. endchoice
  1962. config SYS_SUPPORTS_48HZ
  1963. bool
  1964. config SYS_SUPPORTS_100HZ
  1965. bool
  1966. config SYS_SUPPORTS_128HZ
  1967. bool
  1968. config SYS_SUPPORTS_250HZ
  1969. bool
  1970. config SYS_SUPPORTS_256HZ
  1971. bool
  1972. config SYS_SUPPORTS_1000HZ
  1973. bool
  1974. config SYS_SUPPORTS_1024HZ
  1975. bool
  1976. config SYS_SUPPORTS_ARBIT_HZ
  1977. bool
  1978. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1979. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1980. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1981. !SYS_SUPPORTS_1024HZ
  1982. config HZ
  1983. int
  1984. default 48 if HZ_48
  1985. default 100 if HZ_100
  1986. default 128 if HZ_128
  1987. default 250 if HZ_250
  1988. default 256 if HZ_256
  1989. default 1000 if HZ_1000
  1990. default 1024 if HZ_1024
  1991. source "kernel/Kconfig.preempt"
  1992. config KEXEC
  1993. bool "Kexec system call (EXPERIMENTAL)"
  1994. depends on EXPERIMENTAL
  1995. help
  1996. kexec is a system call that implements the ability to shutdown your
  1997. current kernel, and to start another kernel. It is like a reboot
  1998. but it is independent of the system firmware. And like a reboot
  1999. you can start any kernel with it, not just Linux.
  2000. The name comes from the similarity to the exec system call.
  2001. It is an ongoing process to be certain the hardware in a machine
  2002. is properly shutdown, so do not be surprised if this code does not
  2003. initially work for you. It may help to enable device hotplugging
  2004. support. As of this writing the exact hardware interface is
  2005. strongly in flux, so no good recommendation can be made.
  2006. config SECCOMP
  2007. bool "Enable seccomp to safely compute untrusted bytecode"
  2008. depends on PROC_FS
  2009. default y
  2010. help
  2011. This kernel feature is useful for number crunching applications
  2012. that may need to compute untrusted bytecode during their
  2013. execution. By using pipes or other transports made available to
  2014. the process as file descriptors supporting the read/write
  2015. syscalls, it's possible to isolate those applications in
  2016. their own address space using seccomp. Once seccomp is
  2017. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2018. and the task is only allowed to execute a few safe syscalls
  2019. defined by each seccomp mode.
  2020. If unsure, say Y. Only embedded should say N here.
  2021. config USE_OF
  2022. bool "Flattened Device Tree support"
  2023. select OF
  2024. select OF_EARLY_FLATTREE
  2025. select IRQ_DOMAIN
  2026. help
  2027. Include support for flattened device tree machine descriptions.
  2028. endmenu
  2029. config LOCKDEP_SUPPORT
  2030. bool
  2031. default y
  2032. config STACKTRACE_SUPPORT
  2033. bool
  2034. default y
  2035. source "init/Kconfig"
  2036. source "kernel/Kconfig.freezer"
  2037. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2038. config HW_HAS_EISA
  2039. bool
  2040. config HW_HAS_PCI
  2041. bool
  2042. config PCI
  2043. bool "Support for PCI controller"
  2044. depends on HW_HAS_PCI
  2045. select PCI_DOMAINS
  2046. select GENERIC_PCI_IOMAP
  2047. select NO_GENERIC_PCI_IOPORT_MAP
  2048. help
  2049. Find out whether you have a PCI motherboard. PCI is the name of a
  2050. bus system, i.e. the way the CPU talks to the other stuff inside
  2051. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2052. say Y, otherwise N.
  2053. config PCI_DOMAINS
  2054. bool
  2055. source "drivers/pci/Kconfig"
  2056. source "drivers/pci/pcie/Kconfig"
  2057. #
  2058. # ISA support is now enabled via select. Too many systems still have the one
  2059. # or other ISA chip on the board that users don't know about so don't expect
  2060. # users to choose the right thing ...
  2061. #
  2062. config ISA
  2063. bool
  2064. config EISA
  2065. bool "EISA support"
  2066. depends on HW_HAS_EISA
  2067. select ISA
  2068. select GENERIC_ISA_DMA
  2069. ---help---
  2070. The Extended Industry Standard Architecture (EISA) bus was
  2071. developed as an open alternative to the IBM MicroChannel bus.
  2072. The EISA bus provided some of the features of the IBM MicroChannel
  2073. bus while maintaining backward compatibility with cards made for
  2074. the older ISA bus. The EISA bus saw limited use between 1988 and
  2075. 1995 when it was made obsolete by the PCI bus.
  2076. Say Y here if you are building a kernel for an EISA-based machine.
  2077. Otherwise, say N.
  2078. source "drivers/eisa/Kconfig"
  2079. config TC
  2080. bool "TURBOchannel support"
  2081. depends on MACH_DECSTATION
  2082. help
  2083. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2084. processors. TURBOchannel programming specifications are available
  2085. at:
  2086. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2087. and:
  2088. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2089. Linux driver support status is documented at:
  2090. <http://www.linux-mips.org/wiki/DECstation>
  2091. config MMU
  2092. bool
  2093. default y
  2094. config I8253
  2095. bool
  2096. select CLKSRC_I8253
  2097. select CLKEVT_I8253
  2098. select MIPS_EXTERNAL_TIMER
  2099. config ZONE_DMA32
  2100. bool
  2101. source "drivers/pcmcia/Kconfig"
  2102. source "drivers/pci/hotplug/Kconfig"
  2103. config RAPIDIO
  2104. bool "RapidIO support"
  2105. depends on PCI
  2106. default n
  2107. help
  2108. If you say Y here, the kernel will include drivers and
  2109. infrastructure code to support RapidIO interconnect devices.
  2110. source "drivers/rapidio/Kconfig"
  2111. endmenu
  2112. menu "Executable file formats"
  2113. source "fs/Kconfig.binfmt"
  2114. config TRAD_SIGNALS
  2115. bool
  2116. config MIPS32_COMPAT
  2117. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2118. depends on 64BIT
  2119. help
  2120. Select this option if you want Linux/MIPS 32-bit binary
  2121. compatibility. Since all software available for Linux/MIPS is
  2122. currently 32-bit you should say Y here.
  2123. config COMPAT
  2124. bool
  2125. depends on MIPS32_COMPAT
  2126. select ARCH_WANT_OLD_COMPAT_IPC
  2127. default y
  2128. config SYSVIPC_COMPAT
  2129. bool
  2130. depends on COMPAT && SYSVIPC
  2131. default y
  2132. config MIPS32_O32
  2133. bool "Kernel support for o32 binaries"
  2134. depends on MIPS32_COMPAT
  2135. help
  2136. Select this option if you want to run o32 binaries. These are pure
  2137. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2138. existing binaries are in this format.
  2139. If unsure, say Y.
  2140. config MIPS32_N32
  2141. bool "Kernel support for n32 binaries"
  2142. depends on MIPS32_COMPAT
  2143. help
  2144. Select this option if you want to run n32 binaries. These are
  2145. 64-bit binaries using 32-bit quantities for addressing and certain
  2146. data that would normally be 64-bit. They are used in special
  2147. cases.
  2148. If unsure, say N.
  2149. config BINFMT_ELF32
  2150. bool
  2151. default y if MIPS32_O32 || MIPS32_N32
  2152. endmenu
  2153. menu "Power management options"
  2154. config ARCH_HIBERNATION_POSSIBLE
  2155. def_bool y
  2156. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2157. config ARCH_SUSPEND_POSSIBLE
  2158. def_bool y
  2159. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2160. source "kernel/power/Kconfig"
  2161. endmenu
  2162. source "arch/mips/kernel/cpufreq/Kconfig"
  2163. source "net/Kconfig"
  2164. source "drivers/Kconfig"
  2165. source "fs/Kconfig"
  2166. source "arch/mips/Kconfig.debug"
  2167. source "security/Kconfig"
  2168. source "crypto/Kconfig"
  2169. source "lib/Kconfig"