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 HAVE_DEBUG_KMEMLEAK
  21. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  22. select HAVE_ARCH_TRANSPARENT_HUGEPAGE
  23. select RTC_LIB if !MACH_LOONGSON
  24. select GENERIC_ATOMIC64 if !64BIT
  25. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  26. select HAVE_DMA_ATTRS
  27. select HAVE_DMA_API_DEBUG
  28. select HAVE_GENERIC_HARDIRQS
  29. select GENERIC_IRQ_PROBE
  30. select GENERIC_IRQ_SHOW
  31. select HAVE_ARCH_JUMP_LABEL
  32. select ARCH_WANT_IPC_PARSE_VERSION
  33. select IRQ_FORCED_THREADING
  34. select HAVE_MEMBLOCK
  35. select HAVE_MEMBLOCK_NODE_MAP
  36. select ARCH_DISCARD_MEMBLOCK
  37. select GENERIC_SMP_IDLE_THREAD
  38. select BUILDTIME_EXTABLE_SORT
  39. select GENERIC_CLOCKEVENTS
  40. select GENERIC_CMOS_UPDATE
  41. select HAVE_MOD_ARCH_SPECIFIC
  42. select MODULES_USE_ELF_REL if MODULES
  43. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  44. menu "Machine selection"
  45. config ZONE_DMA
  46. bool
  47. choice
  48. prompt "System type"
  49. default SGI_IP22
  50. config MIPS_ALCHEMY
  51. bool "Alchemy processor based machines"
  52. select 64BIT_PHYS_ADDR
  53. select CEVT_R4K
  54. select CSRC_R4K
  55. select IRQ_CPU
  56. select SYS_HAS_CPU_MIPS32_R1
  57. select SYS_SUPPORTS_32BIT_KERNEL
  58. select SYS_SUPPORTS_APM_EMULATION
  59. select GENERIC_GPIO
  60. select ARCH_WANT_OPTIONAL_GPIOLIB
  61. select SYS_SUPPORTS_ZBOOT
  62. select USB_ARCH_HAS_OHCI
  63. select USB_ARCH_HAS_EHCI
  64. config AR7
  65. bool "Texas Instruments AR7"
  66. select BOOT_ELF32
  67. select DMA_NONCOHERENT
  68. select CEVT_R4K
  69. select CSRC_R4K
  70. select IRQ_CPU
  71. select NO_EXCEPT_FILL
  72. select SWAP_IO_SPACE
  73. select SYS_HAS_CPU_MIPS32_R1
  74. select SYS_HAS_EARLY_PRINTK
  75. select SYS_SUPPORTS_32BIT_KERNEL
  76. select SYS_SUPPORTS_LITTLE_ENDIAN
  77. select SYS_SUPPORTS_ZBOOT_UART16550
  78. select ARCH_REQUIRE_GPIOLIB
  79. select VLYNQ
  80. select HAVE_CLK
  81. help
  82. Support for the Texas Instruments AR7 System-on-a-Chip
  83. family: TNETD7100, 7200 and 7300.
  84. config ATH79
  85. bool "Atheros AR71XX/AR724X/AR913X based boards"
  86. select ARCH_REQUIRE_GPIOLIB
  87. select BOOT_RAW
  88. select CEVT_R4K
  89. select CSRC_R4K
  90. select DMA_NONCOHERENT
  91. select HAVE_CLK
  92. select IRQ_CPU
  93. select MIPS_MACHINE
  94. select SYS_HAS_CPU_MIPS32_R2
  95. select SYS_HAS_EARLY_PRINTK
  96. select SYS_SUPPORTS_32BIT_KERNEL
  97. select SYS_SUPPORTS_BIG_ENDIAN
  98. help
  99. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  100. config BCM47XX
  101. bool "Broadcom BCM47XX based boards"
  102. select ARCH_WANT_OPTIONAL_GPIOLIB
  103. select CEVT_R4K
  104. select CSRC_R4K
  105. select DMA_NONCOHERENT
  106. select FW_CFE
  107. select HW_HAS_PCI
  108. select IRQ_CPU
  109. select SYS_SUPPORTS_32BIT_KERNEL
  110. select SYS_SUPPORTS_LITTLE_ENDIAN
  111. select SYS_HAS_EARLY_PRINTK
  112. help
  113. Support for BCM47XX based boards
  114. config BCM63XX
  115. bool "Broadcom BCM63XX based boards"
  116. select CEVT_R4K
  117. select CSRC_R4K
  118. select DMA_NONCOHERENT
  119. select IRQ_CPU
  120. select SYS_HAS_CPU_MIPS32_R1
  121. select SYS_SUPPORTS_32BIT_KERNEL
  122. select SYS_SUPPORTS_BIG_ENDIAN
  123. select SYS_HAS_EARLY_PRINTK
  124. select SWAP_IO_SPACE
  125. select ARCH_REQUIRE_GPIOLIB
  126. select HAVE_CLK
  127. help
  128. Support for BCM63XX based boards
  129. config MIPS_COBALT
  130. bool "Cobalt Server"
  131. select CEVT_R4K
  132. select CSRC_R4K
  133. select CEVT_GT641XX
  134. select DMA_NONCOHERENT
  135. select HW_HAS_PCI
  136. select I8253
  137. select I8259
  138. select IRQ_CPU
  139. select IRQ_GT641XX
  140. select PCI_GT64XXX_PCI0
  141. select PCI
  142. select SYS_HAS_CPU_NEVADA
  143. select SYS_HAS_EARLY_PRINTK
  144. select SYS_SUPPORTS_32BIT_KERNEL
  145. select SYS_SUPPORTS_64BIT_KERNEL
  146. select SYS_SUPPORTS_LITTLE_ENDIAN
  147. config MACH_DECSTATION
  148. bool "DECstations"
  149. select BOOT_ELF32
  150. select CEVT_DS1287
  151. select CEVT_R4K
  152. select CSRC_IOASIC
  153. select CSRC_R4K
  154. select CPU_DADDI_WORKAROUNDS if 64BIT
  155. select CPU_R4000_WORKAROUNDS if 64BIT
  156. select CPU_R4400_WORKAROUNDS if 64BIT
  157. select DMA_NONCOHERENT
  158. select NO_IOPORT
  159. select IRQ_CPU
  160. select SYS_HAS_CPU_R3000
  161. select SYS_HAS_CPU_R4X00
  162. select SYS_SUPPORTS_32BIT_KERNEL
  163. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  164. select SYS_SUPPORTS_LITTLE_ENDIAN
  165. select SYS_SUPPORTS_128HZ
  166. select SYS_SUPPORTS_256HZ
  167. select SYS_SUPPORTS_1024HZ
  168. help
  169. This enables support for DEC's MIPS based workstations. For details
  170. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  171. DECstation porting pages on <http://decstation.unix-ag.org/>.
  172. If you have one of the following DECstation Models you definitely
  173. want to choose R4xx0 for the CPU Type:
  174. DECstation 5000/50
  175. DECstation 5000/150
  176. DECstation 5000/260
  177. DECsystem 5900/260
  178. otherwise choose R3000.
  179. config MACH_JAZZ
  180. bool "Jazz family of machines"
  181. select FW_ARC
  182. select FW_ARC32
  183. select ARCH_MAY_HAVE_PC_FDC
  184. select CEVT_R4K
  185. select CSRC_R4K
  186. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  187. select GENERIC_ISA_DMA
  188. select HAVE_PCSPKR_PLATFORM
  189. select IRQ_CPU
  190. select I8253
  191. select I8259
  192. select ISA
  193. select SYS_HAS_CPU_R4X00
  194. select SYS_SUPPORTS_32BIT_KERNEL
  195. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  196. select SYS_SUPPORTS_100HZ
  197. help
  198. This a family of machines based on the MIPS R4030 chipset which was
  199. used by several vendors to build RISC/os and Windows NT workstations.
  200. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  201. Olivetti M700-10 workstations.
  202. config MACH_JZ4740
  203. bool "Ingenic JZ4740 based machines"
  204. select SYS_HAS_CPU_MIPS32_R1
  205. select SYS_SUPPORTS_32BIT_KERNEL
  206. select SYS_SUPPORTS_LITTLE_ENDIAN
  207. select SYS_SUPPORTS_ZBOOT_UART16550
  208. select DMA_NONCOHERENT
  209. select IRQ_CPU
  210. select GENERIC_GPIO
  211. select ARCH_REQUIRE_GPIOLIB
  212. select SYS_HAS_EARLY_PRINTK
  213. select HAVE_PWM
  214. select HAVE_CLK
  215. select GENERIC_IRQ_CHIP
  216. config LANTIQ
  217. bool "Lantiq based platforms"
  218. select DMA_NONCOHERENT
  219. select IRQ_CPU
  220. select CEVT_R4K
  221. select CSRC_R4K
  222. select SYS_HAS_CPU_MIPS32_R1
  223. select SYS_HAS_CPU_MIPS32_R2
  224. select SYS_SUPPORTS_BIG_ENDIAN
  225. select SYS_SUPPORTS_32BIT_KERNEL
  226. select SYS_SUPPORTS_MULTITHREADING
  227. select SYS_HAS_EARLY_PRINTK
  228. select ARCH_REQUIRE_GPIOLIB
  229. select SWAP_IO_SPACE
  230. select BOOT_RAW
  231. select HAVE_MACH_CLKDEV
  232. select CLKDEV_LOOKUP
  233. select USE_OF
  234. select PINCTRL
  235. select PINCTRL_LANTIQ
  236. config LASAT
  237. bool "LASAT Networks platforms"
  238. select CEVT_R4K
  239. select CSRC_R4K
  240. select DMA_NONCOHERENT
  241. select SYS_HAS_EARLY_PRINTK
  242. select HW_HAS_PCI
  243. select IRQ_CPU
  244. select PCI_GT64XXX_PCI0
  245. select MIPS_NILE4
  246. select R5000_CPU_SCACHE
  247. select SYS_HAS_CPU_R5000
  248. select SYS_SUPPORTS_32BIT_KERNEL
  249. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  250. select SYS_SUPPORTS_LITTLE_ENDIAN
  251. config MACH_LOONGSON
  252. bool "Loongson family of machines"
  253. select SYS_SUPPORTS_ZBOOT
  254. help
  255. This enables the support of Loongson family of machines.
  256. Loongson is a family of general-purpose MIPS-compatible CPUs.
  257. developed at Institute of Computing Technology (ICT),
  258. Chinese Academy of Sciences (CAS) in the People's Republic
  259. of China. The chief architect is Professor Weiwu Hu.
  260. config MACH_LOONGSON1
  261. bool "Loongson 1 family of machines"
  262. select SYS_SUPPORTS_ZBOOT
  263. help
  264. This enables support for the Loongson 1 based machines.
  265. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  266. the ICT (Institute of Computing Technology) and the Chinese Academy
  267. of Sciences.
  268. config MIPS_MALTA
  269. bool "MIPS Malta board"
  270. select ARCH_MAY_HAVE_PC_FDC
  271. select BOOT_ELF32
  272. select BOOT_RAW
  273. select CEVT_R4K
  274. select CSRC_R4K
  275. select DMA_NONCOHERENT
  276. select GENERIC_ISA_DMA
  277. select HAVE_PCSPKR_PLATFORM
  278. select IRQ_CPU
  279. select IRQ_GIC
  280. select HW_HAS_PCI
  281. select I8253
  282. select I8259
  283. select MIPS_BOARDS_GEN
  284. select MIPS_BONITO64
  285. select MIPS_CPU_SCACHE
  286. select PCI_GT64XXX_PCI0
  287. select MIPS_MSC
  288. select SWAP_IO_SPACE
  289. select SYS_HAS_CPU_MIPS32_R1
  290. select SYS_HAS_CPU_MIPS32_R2
  291. select SYS_HAS_CPU_MIPS64_R1
  292. select SYS_HAS_CPU_MIPS64_R2
  293. select SYS_HAS_CPU_NEVADA
  294. select SYS_HAS_CPU_RM7000
  295. select SYS_HAS_EARLY_PRINTK
  296. select SYS_SUPPORTS_32BIT_KERNEL
  297. select SYS_SUPPORTS_64BIT_KERNEL
  298. select SYS_SUPPORTS_BIG_ENDIAN
  299. select SYS_SUPPORTS_LITTLE_ENDIAN
  300. select SYS_SUPPORTS_MIPS_CMP
  301. select SYS_SUPPORTS_MULTITHREADING
  302. select SYS_SUPPORTS_SMARTMIPS
  303. select SYS_SUPPORTS_ZBOOT
  304. help
  305. This enables support for the MIPS Technologies Malta evaluation
  306. board.
  307. config MIPS_SEAD3
  308. bool "MIPS SEAD3 board"
  309. select BOOT_ELF32
  310. select BOOT_RAW
  311. select CEVT_R4K
  312. select CSRC_R4K
  313. select CPU_MIPSR2_IRQ_VI
  314. select CPU_MIPSR2_IRQ_EI
  315. select DMA_NONCOHERENT
  316. select IRQ_CPU
  317. select IRQ_GIC
  318. select MIPS_BOARDS_GEN
  319. select MIPS_CPU_SCACHE
  320. select MIPS_MSC
  321. select SYS_HAS_CPU_MIPS32_R1
  322. select SYS_HAS_CPU_MIPS32_R2
  323. select SYS_HAS_CPU_MIPS64_R1
  324. select SYS_HAS_EARLY_PRINTK
  325. select SYS_SUPPORTS_32BIT_KERNEL
  326. select SYS_SUPPORTS_64BIT_KERNEL
  327. select SYS_SUPPORTS_BIG_ENDIAN
  328. select SYS_SUPPORTS_LITTLE_ENDIAN
  329. select SYS_SUPPORTS_SMARTMIPS
  330. select USB_ARCH_HAS_EHCI
  331. select USB_EHCI_BIG_ENDIAN_DESC
  332. select USB_EHCI_BIG_ENDIAN_MMIO
  333. select USE_OF
  334. help
  335. This enables support for the MIPS Technologies SEAD3 evaluation
  336. board.
  337. config NEC_MARKEINS
  338. bool "NEC EMMA2RH Mark-eins board"
  339. select SOC_EMMA2RH
  340. select HW_HAS_PCI
  341. help
  342. This enables support for the NEC Electronics Mark-eins boards.
  343. config MACH_VR41XX
  344. bool "NEC VR4100 series based machines"
  345. select CEVT_R4K
  346. select CSRC_R4K
  347. select SYS_HAS_CPU_VR41XX
  348. select ARCH_REQUIRE_GPIOLIB
  349. config NXP_STB220
  350. bool "NXP STB220 board"
  351. select SOC_PNX833X
  352. help
  353. Support for NXP Semiconductors STB220 Development Board.
  354. config NXP_STB225
  355. bool "NXP 225 board"
  356. select SOC_PNX833X
  357. select SOC_PNX8335
  358. help
  359. Support for NXP Semiconductors STB225 Development Board.
  360. config PMC_MSP
  361. bool "PMC-Sierra MSP chipsets"
  362. depends on EXPERIMENTAL
  363. select CEVT_R4K
  364. select CSRC_R4K
  365. select DMA_NONCOHERENT
  366. select SWAP_IO_SPACE
  367. select NO_EXCEPT_FILL
  368. select BOOT_RAW
  369. select SYS_HAS_CPU_MIPS32_R1
  370. select SYS_HAS_CPU_MIPS32_R2
  371. select SYS_SUPPORTS_32BIT_KERNEL
  372. select SYS_SUPPORTS_BIG_ENDIAN
  373. select IRQ_CPU
  374. select SERIAL_8250
  375. select SERIAL_8250_CONSOLE
  376. help
  377. This adds support for the PMC-Sierra family of Multi-Service
  378. Processor System-On-A-Chips. These parts include a number
  379. of integrated peripherals, interfaces and DSPs in addition to
  380. a variety of MIPS cores.
  381. config POWERTV
  382. bool "Cisco PowerTV"
  383. select BOOT_ELF32
  384. select CEVT_R4K
  385. select CPU_MIPSR2_IRQ_VI
  386. select CPU_MIPSR2_IRQ_EI
  387. select CSRC_POWERTV
  388. select DMA_NONCOHERENT
  389. select HW_HAS_PCI
  390. select SYS_HAS_EARLY_PRINTK
  391. select SYS_HAS_CPU_MIPS32_R2
  392. select SYS_SUPPORTS_32BIT_KERNEL
  393. select SYS_SUPPORTS_BIG_ENDIAN
  394. select SYS_SUPPORTS_HIGHMEM
  395. select USB_OHCI_LITTLE_ENDIAN
  396. help
  397. This enables support for the Cisco PowerTV Platform.
  398. config SGI_IP22
  399. bool "SGI IP22 (Indy/Indigo2)"
  400. select FW_ARC
  401. select FW_ARC32
  402. select BOOT_ELF32
  403. select CEVT_R4K
  404. select CSRC_R4K
  405. select DEFAULT_SGI_PARTITION
  406. select DMA_NONCOHERENT
  407. select HW_HAS_EISA
  408. select I8253
  409. select I8259
  410. select IP22_CPU_SCACHE
  411. select IRQ_CPU
  412. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  413. select SGI_HAS_I8042
  414. select SGI_HAS_INDYDOG
  415. select SGI_HAS_HAL2
  416. select SGI_HAS_SEEQ
  417. select SGI_HAS_WD93
  418. select SGI_HAS_ZILOG
  419. select SWAP_IO_SPACE
  420. select SYS_HAS_CPU_R4X00
  421. select SYS_HAS_CPU_R5000
  422. #
  423. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  424. # memory during early boot on some machines.
  425. #
  426. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  427. # for a more details discussion
  428. #
  429. # select SYS_HAS_EARLY_PRINTK
  430. select SYS_SUPPORTS_32BIT_KERNEL
  431. select SYS_SUPPORTS_64BIT_KERNEL
  432. select SYS_SUPPORTS_BIG_ENDIAN
  433. help
  434. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  435. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  436. that runs on these, say Y here.
  437. config SGI_IP27
  438. bool "SGI IP27 (Origin200/2000)"
  439. select FW_ARC
  440. select FW_ARC64
  441. select BOOT_ELF64
  442. select DEFAULT_SGI_PARTITION
  443. select DMA_COHERENT
  444. select SYS_HAS_EARLY_PRINTK
  445. select HW_HAS_PCI
  446. select NR_CPUS_DEFAULT_64
  447. select SYS_HAS_CPU_R10000
  448. select SYS_SUPPORTS_64BIT_KERNEL
  449. select SYS_SUPPORTS_BIG_ENDIAN
  450. select SYS_SUPPORTS_NUMA
  451. select SYS_SUPPORTS_SMP
  452. help
  453. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  454. workstations. To compile a Linux kernel that runs on these, say Y
  455. here.
  456. config SGI_IP28
  457. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  458. depends on EXPERIMENTAL
  459. select FW_ARC
  460. select FW_ARC64
  461. select BOOT_ELF64
  462. select CEVT_R4K
  463. select CSRC_R4K
  464. select DEFAULT_SGI_PARTITION
  465. select DMA_NONCOHERENT
  466. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  467. select IRQ_CPU
  468. select HW_HAS_EISA
  469. select I8253
  470. select I8259
  471. select SGI_HAS_I8042
  472. select SGI_HAS_INDYDOG
  473. select SGI_HAS_HAL2
  474. select SGI_HAS_SEEQ
  475. select SGI_HAS_WD93
  476. select SGI_HAS_ZILOG
  477. select SWAP_IO_SPACE
  478. select SYS_HAS_CPU_R10000
  479. #
  480. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  481. # memory during early boot on some machines.
  482. #
  483. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  484. # for a more details discussion
  485. #
  486. # select SYS_HAS_EARLY_PRINTK
  487. select SYS_SUPPORTS_64BIT_KERNEL
  488. select SYS_SUPPORTS_BIG_ENDIAN
  489. help
  490. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  491. kernel that runs on these, say Y here.
  492. config SGI_IP32
  493. bool "SGI IP32 (O2)"
  494. select FW_ARC
  495. select FW_ARC32
  496. select BOOT_ELF32
  497. select CEVT_R4K
  498. select CSRC_R4K
  499. select DMA_NONCOHERENT
  500. select HW_HAS_PCI
  501. select IRQ_CPU
  502. select R5000_CPU_SCACHE
  503. select RM7000_CPU_SCACHE
  504. select SYS_HAS_CPU_R5000
  505. select SYS_HAS_CPU_R10000 if BROKEN
  506. select SYS_HAS_CPU_RM7000
  507. select SYS_HAS_CPU_NEVADA
  508. select SYS_SUPPORTS_64BIT_KERNEL
  509. select SYS_SUPPORTS_BIG_ENDIAN
  510. help
  511. If you want this kernel to run on SGI O2 workstation, say Y here.
  512. config SIBYTE_CRHINE
  513. bool "Sibyte BCM91120C-CRhine"
  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_CARMEL
  523. bool "Sibyte BCM91120x-Carmel"
  524. depends on EXPERIMENTAL
  525. select BOOT_ELF32
  526. select DMA_COHERENT
  527. select SIBYTE_BCM1120
  528. select SWAP_IO_SPACE
  529. select SYS_HAS_CPU_SB1
  530. select SYS_SUPPORTS_BIG_ENDIAN
  531. select SYS_SUPPORTS_LITTLE_ENDIAN
  532. config SIBYTE_CRHONE
  533. bool "Sibyte BCM91125C-CRhone"
  534. depends on EXPERIMENTAL
  535. select BOOT_ELF32
  536. select DMA_COHERENT
  537. select SIBYTE_BCM1125
  538. select SWAP_IO_SPACE
  539. select SYS_HAS_CPU_SB1
  540. select SYS_SUPPORTS_BIG_ENDIAN
  541. select SYS_SUPPORTS_HIGHMEM
  542. select SYS_SUPPORTS_LITTLE_ENDIAN
  543. config SIBYTE_RHONE
  544. bool "Sibyte BCM91125E-Rhone"
  545. depends on EXPERIMENTAL
  546. select BOOT_ELF32
  547. select DMA_COHERENT
  548. select SIBYTE_BCM1125H
  549. select SWAP_IO_SPACE
  550. select SYS_HAS_CPU_SB1
  551. select SYS_SUPPORTS_BIG_ENDIAN
  552. select SYS_SUPPORTS_LITTLE_ENDIAN
  553. config SIBYTE_SWARM
  554. bool "Sibyte BCM91250A-SWARM"
  555. select BOOT_ELF32
  556. select DMA_COHERENT
  557. select HAVE_PATA_PLATFORM
  558. select NR_CPUS_DEFAULT_2
  559. select SIBYTE_SB1250
  560. select SWAP_IO_SPACE
  561. select SYS_HAS_CPU_SB1
  562. select SYS_SUPPORTS_BIG_ENDIAN
  563. select SYS_SUPPORTS_HIGHMEM
  564. select SYS_SUPPORTS_LITTLE_ENDIAN
  565. select ZONE_DMA32 if 64BIT
  566. config SIBYTE_LITTLESUR
  567. bool "Sibyte BCM91250C2-LittleSur"
  568. depends on EXPERIMENTAL
  569. select BOOT_ELF32
  570. select DMA_COHERENT
  571. select HAVE_PATA_PLATFORM
  572. select NR_CPUS_DEFAULT_2
  573. select SIBYTE_SB1250
  574. select SWAP_IO_SPACE
  575. select SYS_HAS_CPU_SB1
  576. select SYS_SUPPORTS_BIG_ENDIAN
  577. select SYS_SUPPORTS_HIGHMEM
  578. select SYS_SUPPORTS_LITTLE_ENDIAN
  579. config SIBYTE_SENTOSA
  580. bool "Sibyte BCM91250E-Sentosa"
  581. depends on EXPERIMENTAL
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select NR_CPUS_DEFAULT_2
  585. select SIBYTE_SB1250
  586. select SWAP_IO_SPACE
  587. select SYS_HAS_CPU_SB1
  588. select SYS_SUPPORTS_BIG_ENDIAN
  589. select SYS_SUPPORTS_LITTLE_ENDIAN
  590. config SIBYTE_BIGSUR
  591. bool "Sibyte BCM91480B-BigSur"
  592. select BOOT_ELF32
  593. select DMA_COHERENT
  594. select NR_CPUS_DEFAULT_4
  595. select SIBYTE_BCM1x80
  596. select SWAP_IO_SPACE
  597. select SYS_HAS_CPU_SB1
  598. select SYS_SUPPORTS_BIG_ENDIAN
  599. select SYS_SUPPORTS_HIGHMEM
  600. select SYS_SUPPORTS_LITTLE_ENDIAN
  601. select ZONE_DMA32 if 64BIT
  602. config SNI_RM
  603. bool "SNI RM200/300/400"
  604. select FW_ARC if CPU_LITTLE_ENDIAN
  605. select FW_ARC32 if CPU_LITTLE_ENDIAN
  606. select SNIPROM if CPU_BIG_ENDIAN
  607. select ARCH_MAY_HAVE_PC_FDC
  608. select BOOT_ELF32
  609. select CEVT_R4K
  610. select CSRC_R4K
  611. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  612. select DMA_NONCOHERENT
  613. select GENERIC_ISA_DMA
  614. select HAVE_PCSPKR_PLATFORM
  615. select HW_HAS_EISA
  616. select HW_HAS_PCI
  617. select IRQ_CPU
  618. select I8253
  619. select I8259
  620. select ISA
  621. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  622. select SYS_HAS_CPU_R4X00
  623. select SYS_HAS_CPU_R5000
  624. select SYS_HAS_CPU_R10000
  625. select R5000_CPU_SCACHE
  626. select SYS_HAS_EARLY_PRINTK
  627. select SYS_SUPPORTS_32BIT_KERNEL
  628. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  629. select SYS_SUPPORTS_BIG_ENDIAN
  630. select SYS_SUPPORTS_HIGHMEM
  631. select SYS_SUPPORTS_LITTLE_ENDIAN
  632. help
  633. The SNI RM200/300/400 are MIPS-based machines manufactured by
  634. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  635. Technology and now in turn merged with Fujitsu. Say Y here to
  636. support this machine type.
  637. config MACH_TX39XX
  638. bool "Toshiba TX39 series based machines"
  639. config MACH_TX49XX
  640. bool "Toshiba TX49 series based machines"
  641. config MIKROTIK_RB532
  642. bool "Mikrotik RB532 boards"
  643. select CEVT_R4K
  644. select CSRC_R4K
  645. select DMA_NONCOHERENT
  646. select HW_HAS_PCI
  647. select IRQ_CPU
  648. select SYS_HAS_CPU_MIPS32_R1
  649. select SYS_SUPPORTS_32BIT_KERNEL
  650. select SYS_SUPPORTS_LITTLE_ENDIAN
  651. select SWAP_IO_SPACE
  652. select BOOT_RAW
  653. select ARCH_REQUIRE_GPIOLIB
  654. help
  655. Support the Mikrotik(tm) RouterBoard 532 series,
  656. based on the IDT RC32434 SoC.
  657. config WR_PPMC
  658. bool "Wind River PPMC board"
  659. select CEVT_R4K
  660. select CSRC_R4K
  661. select IRQ_CPU
  662. select BOOT_ELF32
  663. select DMA_NONCOHERENT
  664. select HW_HAS_PCI
  665. select PCI_GT64XXX_PCI0
  666. select SWAP_IO_SPACE
  667. select SYS_HAS_CPU_MIPS32_R1
  668. select SYS_HAS_CPU_MIPS32_R2
  669. select SYS_HAS_CPU_MIPS64_R1
  670. select SYS_HAS_CPU_NEVADA
  671. select SYS_HAS_CPU_RM7000
  672. select SYS_SUPPORTS_32BIT_KERNEL
  673. select SYS_SUPPORTS_64BIT_KERNEL
  674. select SYS_SUPPORTS_BIG_ENDIAN
  675. select SYS_SUPPORTS_LITTLE_ENDIAN
  676. help
  677. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  678. board, which is based on GT64120 bridge chip.
  679. config CAVIUM_OCTEON_SIMULATOR
  680. bool "Cavium Networks Octeon Simulator"
  681. select CEVT_R4K
  682. select 64BIT_PHYS_ADDR
  683. select DMA_COHERENT
  684. select SYS_SUPPORTS_64BIT_KERNEL
  685. select SYS_SUPPORTS_BIG_ENDIAN
  686. select SYS_SUPPORTS_HOTPLUG_CPU
  687. select SYS_HAS_CPU_CAVIUM_OCTEON
  688. select HOLES_IN_ZONE
  689. help
  690. The Octeon simulator is software performance model of the Cavium
  691. Octeon Processor. It supports simulating Octeon processors on x86
  692. hardware.
  693. config CAVIUM_OCTEON_REFERENCE_BOARD
  694. bool "Cavium Networks Octeon reference board"
  695. select CEVT_R4K
  696. select 64BIT_PHYS_ADDR
  697. select DMA_COHERENT
  698. select SYS_SUPPORTS_64BIT_KERNEL
  699. select SYS_SUPPORTS_BIG_ENDIAN
  700. select EDAC_SUPPORT
  701. select SYS_SUPPORTS_HOTPLUG_CPU
  702. select SYS_HAS_EARLY_PRINTK
  703. select SYS_HAS_CPU_CAVIUM_OCTEON
  704. select SWAP_IO_SPACE
  705. select HW_HAS_PCI
  706. select ARCH_SUPPORTS_MSI
  707. select ZONE_DMA32
  708. select USB_ARCH_HAS_OHCI
  709. select USB_ARCH_HAS_EHCI
  710. select HOLES_IN_ZONE
  711. help
  712. This option supports all of the Octeon reference boards from Cavium
  713. Networks. It builds a kernel that dynamically determines the Octeon
  714. CPU type and supports all known board reference implementations.
  715. Some of the supported boards are:
  716. EBT3000
  717. EBH3000
  718. EBH3100
  719. Thunder
  720. Kodama
  721. Hikari
  722. Say Y here for most Octeon reference boards.
  723. config NLM_XLR_BOARD
  724. bool "Netlogic XLR/XLS based systems"
  725. depends on EXPERIMENTAL
  726. select BOOT_ELF32
  727. select NLM_COMMON
  728. select SYS_HAS_CPU_XLR
  729. select SYS_SUPPORTS_SMP
  730. select HW_HAS_PCI
  731. select SWAP_IO_SPACE
  732. select SYS_SUPPORTS_32BIT_KERNEL
  733. select SYS_SUPPORTS_64BIT_KERNEL
  734. select 64BIT_PHYS_ADDR
  735. select SYS_SUPPORTS_BIG_ENDIAN
  736. select SYS_SUPPORTS_HIGHMEM
  737. select DMA_COHERENT
  738. select NR_CPUS_DEFAULT_32
  739. select CEVT_R4K
  740. select CSRC_R4K
  741. select IRQ_CPU
  742. select ARCH_SUPPORTS_MSI
  743. select ZONE_DMA32 if 64BIT
  744. select SYNC_R4K
  745. select SYS_HAS_EARLY_PRINTK
  746. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  747. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  748. help
  749. Support for systems based on Netlogic XLR and XLS processors.
  750. Say Y here if you have a XLR or XLS based board.
  751. config NLM_XLP_BOARD
  752. bool "Netlogic XLP based systems"
  753. depends on EXPERIMENTAL
  754. select BOOT_ELF32
  755. select NLM_COMMON
  756. select SYS_HAS_CPU_XLP
  757. select SYS_SUPPORTS_SMP
  758. select HW_HAS_PCI
  759. select SYS_SUPPORTS_32BIT_KERNEL
  760. select SYS_SUPPORTS_64BIT_KERNEL
  761. select 64BIT_PHYS_ADDR
  762. select SYS_SUPPORTS_BIG_ENDIAN
  763. select SYS_SUPPORTS_LITTLE_ENDIAN
  764. select SYS_SUPPORTS_HIGHMEM
  765. select DMA_COHERENT
  766. select NR_CPUS_DEFAULT_32
  767. select CEVT_R4K
  768. select CSRC_R4K
  769. select IRQ_CPU
  770. select ZONE_DMA32 if 64BIT
  771. select SYNC_R4K
  772. select SYS_HAS_EARLY_PRINTK
  773. select USE_OF
  774. help
  775. This board is based on Netlogic XLP Processor.
  776. Say Y here if you have a XLP based board.
  777. endchoice
  778. source "arch/mips/alchemy/Kconfig"
  779. source "arch/mips/ath79/Kconfig"
  780. source "arch/mips/bcm47xx/Kconfig"
  781. source "arch/mips/bcm63xx/Kconfig"
  782. source "arch/mips/jazz/Kconfig"
  783. source "arch/mips/jz4740/Kconfig"
  784. source "arch/mips/lantiq/Kconfig"
  785. source "arch/mips/lasat/Kconfig"
  786. source "arch/mips/pmc-sierra/Kconfig"
  787. source "arch/mips/powertv/Kconfig"
  788. source "arch/mips/sgi-ip27/Kconfig"
  789. source "arch/mips/sibyte/Kconfig"
  790. source "arch/mips/txx9/Kconfig"
  791. source "arch/mips/vr41xx/Kconfig"
  792. source "arch/mips/cavium-octeon/Kconfig"
  793. source "arch/mips/loongson/Kconfig"
  794. source "arch/mips/loongson1/Kconfig"
  795. source "arch/mips/netlogic/Kconfig"
  796. endmenu
  797. config RWSEM_GENERIC_SPINLOCK
  798. bool
  799. default y
  800. config RWSEM_XCHGADD_ALGORITHM
  801. bool
  802. config ARCH_HAS_ILOG2_U32
  803. bool
  804. default n
  805. config ARCH_HAS_ILOG2_U64
  806. bool
  807. default n
  808. config GENERIC_HWEIGHT
  809. bool
  810. default y
  811. config GENERIC_CALIBRATE_DELAY
  812. bool
  813. default y
  814. config SCHED_OMIT_FRAME_POINTER
  815. bool
  816. default y
  817. #
  818. # Select some configuration options automatically based on user selections.
  819. #
  820. config FW_ARC
  821. bool
  822. config ARCH_MAY_HAVE_PC_FDC
  823. bool
  824. config BOOT_RAW
  825. bool
  826. config CEVT_BCM1480
  827. bool
  828. config CEVT_DS1287
  829. bool
  830. config CEVT_GT641XX
  831. bool
  832. config CEVT_R4K
  833. bool
  834. config CEVT_SB1250
  835. bool
  836. config CEVT_TXX9
  837. bool
  838. config CSRC_BCM1480
  839. bool
  840. config CSRC_IOASIC
  841. bool
  842. config CSRC_POWERTV
  843. bool
  844. config CSRC_R4K
  845. bool
  846. config CSRC_SB1250
  847. bool
  848. config GPIO_TXX9
  849. select GENERIC_GPIO
  850. select ARCH_REQUIRE_GPIOLIB
  851. bool
  852. config FW_CFE
  853. bool
  854. config ARCH_DMA_ADDR_T_64BIT
  855. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  856. config DMA_COHERENT
  857. bool
  858. config DMA_NONCOHERENT
  859. bool
  860. select NEED_DMA_MAP_STATE
  861. config NEED_DMA_MAP_STATE
  862. bool
  863. config SYS_HAS_EARLY_PRINTK
  864. bool
  865. config HOTPLUG_CPU
  866. bool "Support for hot-pluggable CPUs"
  867. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  868. help
  869. Say Y here to allow turning CPUs off and on. CPUs can be
  870. controlled through /sys/devices/system/cpu.
  871. (Note: power management support will enable this option
  872. automatically on SMP systems. )
  873. Say N if you want to disable CPU hotplug.
  874. config SYS_SUPPORTS_HOTPLUG_CPU
  875. bool
  876. config I8259
  877. bool
  878. config MIPS_BONITO64
  879. bool
  880. config MIPS_MSC
  881. bool
  882. config MIPS_NILE4
  883. bool
  884. config MIPS_DISABLE_OBSOLETE_IDE
  885. bool
  886. config SYNC_R4K
  887. bool
  888. config MIPS_MACHINE
  889. def_bool n
  890. config NO_IOPORT
  891. def_bool n
  892. config GENERIC_ISA_DMA
  893. bool
  894. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  895. select ISA_DMA_API
  896. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  897. bool
  898. select GENERIC_ISA_DMA
  899. config ISA_DMA_API
  900. bool
  901. config GENERIC_GPIO
  902. bool
  903. config HOLES_IN_ZONE
  904. bool
  905. #
  906. # Endianness selection. Sufficiently obscure so many users don't know what to
  907. # answer,so we try hard to limit the available choices. Also the use of a
  908. # choice statement should be more obvious to the user.
  909. #
  910. choice
  911. prompt "Endianness selection"
  912. help
  913. Some MIPS machines can be configured for either little or big endian
  914. byte order. These modes require different kernels and a different
  915. Linux distribution. In general there is one preferred byteorder for a
  916. particular system but some systems are just as commonly used in the
  917. one or the other endianness.
  918. config CPU_BIG_ENDIAN
  919. bool "Big endian"
  920. depends on SYS_SUPPORTS_BIG_ENDIAN
  921. config CPU_LITTLE_ENDIAN
  922. bool "Little endian"
  923. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  924. help
  925. endchoice
  926. config EXPORT_UASM
  927. bool
  928. config SYS_SUPPORTS_APM_EMULATION
  929. bool
  930. config SYS_SUPPORTS_BIG_ENDIAN
  931. bool
  932. config SYS_SUPPORTS_LITTLE_ENDIAN
  933. bool
  934. config SYS_SUPPORTS_HUGETLBFS
  935. bool
  936. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  937. default y
  938. config MIPS_HUGE_TLB_SUPPORT
  939. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  940. config IRQ_CPU
  941. bool
  942. config IRQ_CPU_RM7K
  943. bool
  944. config IRQ_MSP_SLP
  945. bool
  946. config IRQ_MSP_CIC
  947. bool
  948. config IRQ_TXX9
  949. bool
  950. config IRQ_GT641XX
  951. bool
  952. config IRQ_GIC
  953. bool
  954. config MIPS_BOARDS_GEN
  955. bool
  956. config PCI_GT64XXX_PCI0
  957. bool
  958. config NO_EXCEPT_FILL
  959. bool
  960. config SOC_EMMA2RH
  961. bool
  962. select CEVT_R4K
  963. select CSRC_R4K
  964. select DMA_NONCOHERENT
  965. select IRQ_CPU
  966. select SWAP_IO_SPACE
  967. select SYS_HAS_CPU_R5500
  968. select SYS_SUPPORTS_32BIT_KERNEL
  969. select SYS_SUPPORTS_64BIT_KERNEL
  970. select SYS_SUPPORTS_BIG_ENDIAN
  971. config SOC_PNX833X
  972. bool
  973. select CEVT_R4K
  974. select CSRC_R4K
  975. select IRQ_CPU
  976. select DMA_NONCOHERENT
  977. select SYS_HAS_CPU_MIPS32_R2
  978. select SYS_SUPPORTS_32BIT_KERNEL
  979. select SYS_SUPPORTS_LITTLE_ENDIAN
  980. select SYS_SUPPORTS_BIG_ENDIAN
  981. select GENERIC_GPIO
  982. select CPU_MIPSR2_IRQ_VI
  983. config SOC_PNX8335
  984. bool
  985. select SOC_PNX833X
  986. config SWAP_IO_SPACE
  987. bool
  988. config SGI_HAS_INDYDOG
  989. bool
  990. config SGI_HAS_HAL2
  991. bool
  992. config SGI_HAS_SEEQ
  993. bool
  994. config SGI_HAS_WD93
  995. bool
  996. config SGI_HAS_ZILOG
  997. bool
  998. config SGI_HAS_I8042
  999. bool
  1000. config DEFAULT_SGI_PARTITION
  1001. bool
  1002. config FW_ARC32
  1003. bool
  1004. config SNIPROM
  1005. bool
  1006. config BOOT_ELF32
  1007. bool
  1008. config MIPS_L1_CACHE_SHIFT
  1009. int
  1010. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1011. default "6" if MIPS_CPU_SCACHE
  1012. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1013. default "5"
  1014. config HAVE_STD_PC_SERIAL_PORT
  1015. bool
  1016. config ARC_CONSOLE
  1017. bool "ARC console support"
  1018. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1019. config ARC_MEMORY
  1020. bool
  1021. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1022. default y
  1023. config ARC_PROMLIB
  1024. bool
  1025. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1026. default y
  1027. config FW_ARC64
  1028. bool
  1029. config BOOT_ELF64
  1030. bool
  1031. menu "CPU selection"
  1032. choice
  1033. prompt "CPU type"
  1034. default CPU_R4X00
  1035. config CPU_LOONGSON2E
  1036. bool "Loongson 2E"
  1037. depends on SYS_HAS_CPU_LOONGSON2E
  1038. select CPU_LOONGSON2
  1039. help
  1040. The Loongson 2E processor implements the MIPS III instruction set
  1041. with many extensions.
  1042. It has an internal FPGA northbridge, which is compatible to
  1043. bonito64.
  1044. config CPU_LOONGSON2F
  1045. bool "Loongson 2F"
  1046. depends on SYS_HAS_CPU_LOONGSON2F
  1047. select CPU_LOONGSON2
  1048. select GENERIC_GPIO
  1049. select ARCH_REQUIRE_GPIOLIB
  1050. help
  1051. The Loongson 2F processor implements the MIPS III instruction set
  1052. with many extensions.
  1053. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1054. have a similar programming interface with FPGA northbridge used in
  1055. Loongson2E.
  1056. config CPU_LOONGSON1B
  1057. bool "Loongson 1B"
  1058. depends on SYS_HAS_CPU_LOONGSON1B
  1059. select CPU_LOONGSON1
  1060. help
  1061. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1062. release 2 instruction set.
  1063. config CPU_MIPS32_R1
  1064. bool "MIPS32 Release 1"
  1065. depends on SYS_HAS_CPU_MIPS32_R1
  1066. select CPU_HAS_PREFETCH
  1067. select CPU_SUPPORTS_32BIT_KERNEL
  1068. select CPU_SUPPORTS_HIGHMEM
  1069. help
  1070. Choose this option to build a kernel for release 1 or later of the
  1071. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1072. MIPS processor are based on a MIPS32 processor. If you know the
  1073. specific type of processor in your system, choose those that one
  1074. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1075. Release 2 of the MIPS32 architecture is available since several
  1076. years so chances are you even have a MIPS32 Release 2 processor
  1077. in which case you should choose CPU_MIPS32_R2 instead for better
  1078. performance.
  1079. config CPU_MIPS32_R2
  1080. bool "MIPS32 Release 2"
  1081. depends on SYS_HAS_CPU_MIPS32_R2
  1082. select CPU_HAS_PREFETCH
  1083. select CPU_SUPPORTS_32BIT_KERNEL
  1084. select CPU_SUPPORTS_HIGHMEM
  1085. help
  1086. Choose this option to build a kernel for release 2 or later of the
  1087. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1088. MIPS processor are based on a MIPS32 processor. If you know the
  1089. specific type of processor in your system, choose those that one
  1090. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1091. config CPU_MIPS64_R1
  1092. bool "MIPS64 Release 1"
  1093. depends on SYS_HAS_CPU_MIPS64_R1
  1094. select CPU_HAS_PREFETCH
  1095. select CPU_SUPPORTS_32BIT_KERNEL
  1096. select CPU_SUPPORTS_64BIT_KERNEL
  1097. select CPU_SUPPORTS_HIGHMEM
  1098. select CPU_SUPPORTS_HUGEPAGES
  1099. help
  1100. Choose this option to build a kernel for release 1 or later of the
  1101. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1102. MIPS processor are based on a MIPS64 processor. If you know the
  1103. specific type of processor in your system, choose those that one
  1104. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1105. Release 2 of the MIPS64 architecture is available since several
  1106. years so chances are you even have a MIPS64 Release 2 processor
  1107. in which case you should choose CPU_MIPS64_R2 instead for better
  1108. performance.
  1109. config CPU_MIPS64_R2
  1110. bool "MIPS64 Release 2"
  1111. depends on SYS_HAS_CPU_MIPS64_R2
  1112. select CPU_HAS_PREFETCH
  1113. select CPU_SUPPORTS_32BIT_KERNEL
  1114. select CPU_SUPPORTS_64BIT_KERNEL
  1115. select CPU_SUPPORTS_HIGHMEM
  1116. select CPU_SUPPORTS_HUGEPAGES
  1117. help
  1118. Choose this option to build a kernel for release 2 or later of the
  1119. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1120. MIPS processor are based on a MIPS64 processor. If you know the
  1121. specific type of processor in your system, choose those that one
  1122. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1123. config CPU_R3000
  1124. bool "R3000"
  1125. depends on SYS_HAS_CPU_R3000
  1126. select CPU_HAS_WB
  1127. select CPU_SUPPORTS_32BIT_KERNEL
  1128. select CPU_SUPPORTS_HIGHMEM
  1129. help
  1130. Please make sure to pick the right CPU type. Linux/MIPS is not
  1131. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1132. *not* work on R4000 machines and vice versa. However, since most
  1133. of the supported machines have an R4000 (or similar) CPU, R4x00
  1134. might be a safe bet. If the resulting kernel does not work,
  1135. try to recompile with R3000.
  1136. config CPU_TX39XX
  1137. bool "R39XX"
  1138. depends on SYS_HAS_CPU_TX39XX
  1139. select CPU_SUPPORTS_32BIT_KERNEL
  1140. config CPU_VR41XX
  1141. bool "R41xx"
  1142. depends on SYS_HAS_CPU_VR41XX
  1143. select CPU_SUPPORTS_32BIT_KERNEL
  1144. select CPU_SUPPORTS_64BIT_KERNEL
  1145. help
  1146. The options selects support for the NEC VR4100 series of processors.
  1147. Only choose this option if you have one of these processors as a
  1148. kernel built with this option will not run on any other type of
  1149. processor or vice versa.
  1150. config CPU_R4300
  1151. bool "R4300"
  1152. depends on SYS_HAS_CPU_R4300
  1153. select CPU_SUPPORTS_32BIT_KERNEL
  1154. select CPU_SUPPORTS_64BIT_KERNEL
  1155. help
  1156. MIPS Technologies R4300-series processors.
  1157. config CPU_R4X00
  1158. bool "R4x00"
  1159. depends on SYS_HAS_CPU_R4X00
  1160. select CPU_SUPPORTS_32BIT_KERNEL
  1161. select CPU_SUPPORTS_64BIT_KERNEL
  1162. select CPU_SUPPORTS_HUGEPAGES
  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. select CPU_SUPPORTS_HUGEPAGES
  1173. config CPU_R5000
  1174. bool "R5000"
  1175. depends on SYS_HAS_CPU_R5000
  1176. select CPU_SUPPORTS_32BIT_KERNEL
  1177. select CPU_SUPPORTS_64BIT_KERNEL
  1178. select CPU_SUPPORTS_HUGEPAGES
  1179. help
  1180. MIPS Technologies R5000-series processors other than the Nevada.
  1181. config CPU_R5432
  1182. bool "R5432"
  1183. depends on SYS_HAS_CPU_R5432
  1184. select CPU_SUPPORTS_32BIT_KERNEL
  1185. select CPU_SUPPORTS_64BIT_KERNEL
  1186. select CPU_SUPPORTS_HUGEPAGES
  1187. config CPU_R5500
  1188. bool "R5500"
  1189. depends on SYS_HAS_CPU_R5500
  1190. select CPU_SUPPORTS_32BIT_KERNEL
  1191. select CPU_SUPPORTS_64BIT_KERNEL
  1192. select CPU_SUPPORTS_HUGEPAGES
  1193. help
  1194. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1195. instruction set.
  1196. config CPU_R6000
  1197. bool "R6000"
  1198. depends on EXPERIMENTAL
  1199. depends on SYS_HAS_CPU_R6000
  1200. select CPU_SUPPORTS_32BIT_KERNEL
  1201. help
  1202. MIPS Technologies R6000 and R6000A series processors. Note these
  1203. processors are extremely rare and the support for them is incomplete.
  1204. config CPU_NEVADA
  1205. bool "RM52xx"
  1206. depends on SYS_HAS_CPU_NEVADA
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. select CPU_SUPPORTS_HUGEPAGES
  1210. help
  1211. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1212. config CPU_R8000
  1213. bool "R8000"
  1214. depends on EXPERIMENTAL
  1215. depends on SYS_HAS_CPU_R8000
  1216. select CPU_HAS_PREFETCH
  1217. select CPU_SUPPORTS_64BIT_KERNEL
  1218. help
  1219. MIPS Technologies R8000 processors. Note these processors are
  1220. uncommon and the support for them is incomplete.
  1221. config CPU_R10000
  1222. bool "R10000"
  1223. depends on SYS_HAS_CPU_R10000
  1224. select CPU_HAS_PREFETCH
  1225. select CPU_SUPPORTS_32BIT_KERNEL
  1226. select CPU_SUPPORTS_64BIT_KERNEL
  1227. select CPU_SUPPORTS_HIGHMEM
  1228. select CPU_SUPPORTS_HUGEPAGES
  1229. help
  1230. MIPS Technologies R10000-series processors.
  1231. config CPU_RM7000
  1232. bool "RM7000"
  1233. depends on SYS_HAS_CPU_RM7000
  1234. select CPU_HAS_PREFETCH
  1235. select CPU_SUPPORTS_32BIT_KERNEL
  1236. select CPU_SUPPORTS_64BIT_KERNEL
  1237. select CPU_SUPPORTS_HIGHMEM
  1238. select CPU_SUPPORTS_HUGEPAGES
  1239. config CPU_SB1
  1240. bool "SB1"
  1241. depends on SYS_HAS_CPU_SB1
  1242. select CPU_SUPPORTS_32BIT_KERNEL
  1243. select CPU_SUPPORTS_64BIT_KERNEL
  1244. select CPU_SUPPORTS_HIGHMEM
  1245. select CPU_SUPPORTS_HUGEPAGES
  1246. select WEAK_ORDERING
  1247. config CPU_CAVIUM_OCTEON
  1248. bool "Cavium Octeon processor"
  1249. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1250. select ARCH_SPARSEMEM_ENABLE
  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. select LIBFDT
  1259. select USE_OF
  1260. help
  1261. The Cavium Octeon processor is a highly integrated chip containing
  1262. many ethernet hardware widgets for networking tasks. The processor
  1263. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1264. Full details can be found at http://www.caviumnetworks.com.
  1265. config CPU_BMIPS3300
  1266. bool "BMIPS3300"
  1267. depends on SYS_HAS_CPU_BMIPS3300
  1268. select CPU_BMIPS
  1269. help
  1270. Broadcom BMIPS3300 processors.
  1271. config CPU_BMIPS4350
  1272. bool "BMIPS4350"
  1273. depends on SYS_HAS_CPU_BMIPS4350
  1274. select CPU_BMIPS
  1275. select SYS_SUPPORTS_SMP
  1276. select SYS_SUPPORTS_HOTPLUG_CPU
  1277. help
  1278. Broadcom BMIPS4350 ("VIPER") processors.
  1279. config CPU_BMIPS4380
  1280. bool "BMIPS4380"
  1281. depends on SYS_HAS_CPU_BMIPS4380
  1282. select CPU_BMIPS
  1283. select SYS_SUPPORTS_SMP
  1284. select SYS_SUPPORTS_HOTPLUG_CPU
  1285. help
  1286. Broadcom BMIPS4380 processors.
  1287. config CPU_BMIPS5000
  1288. bool "BMIPS5000"
  1289. depends on SYS_HAS_CPU_BMIPS5000
  1290. select CPU_BMIPS
  1291. select CPU_SUPPORTS_HIGHMEM
  1292. select MIPS_CPU_SCACHE
  1293. select SYS_SUPPORTS_SMP
  1294. select SYS_SUPPORTS_HOTPLUG_CPU
  1295. help
  1296. Broadcom BMIPS5000 processors.
  1297. config CPU_XLR
  1298. bool "Netlogic XLR SoC"
  1299. depends on SYS_HAS_CPU_XLR
  1300. select CPU_SUPPORTS_32BIT_KERNEL
  1301. select CPU_SUPPORTS_64BIT_KERNEL
  1302. select CPU_SUPPORTS_HIGHMEM
  1303. select CPU_SUPPORTS_HUGEPAGES
  1304. select WEAK_ORDERING
  1305. select WEAK_REORDERING_BEYOND_LLSC
  1306. help
  1307. Netlogic Microsystems XLR/XLS processors.
  1308. config CPU_XLP
  1309. bool "Netlogic XLP SoC"
  1310. depends on SYS_HAS_CPU_XLP
  1311. select CPU_SUPPORTS_32BIT_KERNEL
  1312. select CPU_SUPPORTS_64BIT_KERNEL
  1313. select CPU_SUPPORTS_HIGHMEM
  1314. select CPU_HAS_LLSC
  1315. select WEAK_ORDERING
  1316. select WEAK_REORDERING_BEYOND_LLSC
  1317. select CPU_HAS_PREFETCH
  1318. select CPU_MIPSR2
  1319. help
  1320. Netlogic Microsystems XLP processors.
  1321. endchoice
  1322. if CPU_LOONGSON2F
  1323. config CPU_NOP_WORKAROUNDS
  1324. bool
  1325. config CPU_JUMP_WORKAROUNDS
  1326. bool
  1327. config CPU_LOONGSON2F_WORKAROUNDS
  1328. bool "Loongson 2F Workarounds"
  1329. default y
  1330. select CPU_NOP_WORKAROUNDS
  1331. select CPU_JUMP_WORKAROUNDS
  1332. help
  1333. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1334. require workarounds. Without workarounds the system may hang
  1335. unexpectedly. For more information please refer to the gas
  1336. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1337. Loongson 2F03 and later have fixed these issues and no workarounds
  1338. are needed. The workarounds have no significant side effect on them
  1339. but may decrease the performance of the system so this option should
  1340. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1341. systems.
  1342. If unsure, please say Y.
  1343. endif # CPU_LOONGSON2F
  1344. config SYS_SUPPORTS_ZBOOT
  1345. bool
  1346. select HAVE_KERNEL_GZIP
  1347. select HAVE_KERNEL_BZIP2
  1348. select HAVE_KERNEL_LZMA
  1349. select HAVE_KERNEL_LZO
  1350. config SYS_SUPPORTS_ZBOOT_UART16550
  1351. bool
  1352. select SYS_SUPPORTS_ZBOOT
  1353. config CPU_LOONGSON2
  1354. bool
  1355. select CPU_SUPPORTS_32BIT_KERNEL
  1356. select CPU_SUPPORTS_64BIT_KERNEL
  1357. select CPU_SUPPORTS_HIGHMEM
  1358. select CPU_SUPPORTS_HUGEPAGES
  1359. config CPU_LOONGSON1
  1360. bool
  1361. select CPU_MIPS32
  1362. select CPU_MIPSR2
  1363. select CPU_HAS_PREFETCH
  1364. select CPU_SUPPORTS_32BIT_KERNEL
  1365. select CPU_SUPPORTS_HIGHMEM
  1366. config CPU_BMIPS
  1367. bool
  1368. select CPU_MIPS32
  1369. select CPU_SUPPORTS_32BIT_KERNEL
  1370. select DMA_NONCOHERENT
  1371. select IRQ_CPU
  1372. select SWAP_IO_SPACE
  1373. select WEAK_ORDERING
  1374. config SYS_HAS_CPU_LOONGSON2E
  1375. bool
  1376. config SYS_HAS_CPU_LOONGSON2F
  1377. bool
  1378. select CPU_SUPPORTS_CPUFREQ
  1379. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1380. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1381. config SYS_HAS_CPU_LOONGSON1B
  1382. bool
  1383. config SYS_HAS_CPU_MIPS32_R1
  1384. bool
  1385. config SYS_HAS_CPU_MIPS32_R2
  1386. bool
  1387. config SYS_HAS_CPU_MIPS64_R1
  1388. bool
  1389. config SYS_HAS_CPU_MIPS64_R2
  1390. bool
  1391. config SYS_HAS_CPU_R3000
  1392. bool
  1393. config SYS_HAS_CPU_TX39XX
  1394. bool
  1395. config SYS_HAS_CPU_VR41XX
  1396. bool
  1397. config SYS_HAS_CPU_R4300
  1398. bool
  1399. config SYS_HAS_CPU_R4X00
  1400. bool
  1401. config SYS_HAS_CPU_TX49XX
  1402. bool
  1403. config SYS_HAS_CPU_R5000
  1404. bool
  1405. config SYS_HAS_CPU_R5432
  1406. bool
  1407. config SYS_HAS_CPU_R5500
  1408. bool
  1409. config SYS_HAS_CPU_R6000
  1410. bool
  1411. config SYS_HAS_CPU_NEVADA
  1412. bool
  1413. config SYS_HAS_CPU_R8000
  1414. bool
  1415. config SYS_HAS_CPU_R10000
  1416. bool
  1417. config SYS_HAS_CPU_RM7000
  1418. bool
  1419. config SYS_HAS_CPU_SB1
  1420. bool
  1421. config SYS_HAS_CPU_CAVIUM_OCTEON
  1422. bool
  1423. config SYS_HAS_CPU_BMIPS3300
  1424. bool
  1425. config SYS_HAS_CPU_BMIPS4350
  1426. bool
  1427. config SYS_HAS_CPU_BMIPS4380
  1428. bool
  1429. config SYS_HAS_CPU_BMIPS5000
  1430. bool
  1431. config SYS_HAS_CPU_XLR
  1432. bool
  1433. config SYS_HAS_CPU_XLP
  1434. bool
  1435. #
  1436. # CPU may reorder R->R, R->W, W->R, W->W
  1437. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1438. #
  1439. config WEAK_ORDERING
  1440. bool
  1441. #
  1442. # CPU may reorder reads and writes beyond LL/SC
  1443. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1444. #
  1445. config WEAK_REORDERING_BEYOND_LLSC
  1446. bool
  1447. endmenu
  1448. #
  1449. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1450. #
  1451. config CPU_MIPS32
  1452. bool
  1453. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1454. config CPU_MIPS64
  1455. bool
  1456. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1457. #
  1458. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1459. #
  1460. config CPU_MIPSR1
  1461. bool
  1462. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1463. config CPU_MIPSR2
  1464. bool
  1465. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1466. config SYS_SUPPORTS_32BIT_KERNEL
  1467. bool
  1468. config SYS_SUPPORTS_64BIT_KERNEL
  1469. bool
  1470. config CPU_SUPPORTS_32BIT_KERNEL
  1471. bool
  1472. config CPU_SUPPORTS_64BIT_KERNEL
  1473. bool
  1474. config CPU_SUPPORTS_CPUFREQ
  1475. bool
  1476. config CPU_SUPPORTS_ADDRWINCFG
  1477. bool
  1478. config CPU_SUPPORTS_HUGEPAGES
  1479. bool
  1480. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1481. bool
  1482. config MIPS_PGD_C0_CONTEXT
  1483. bool
  1484. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1485. #
  1486. # Set to y for ptrace access to watch registers.
  1487. #
  1488. config HARDWARE_WATCHPOINTS
  1489. bool
  1490. default y if CPU_MIPSR1 || CPU_MIPSR2
  1491. menu "Kernel type"
  1492. choice
  1493. prompt "Kernel code model"
  1494. help
  1495. You should only select this option if you have a workload that
  1496. actually benefits from 64-bit processing or if your machine has
  1497. large memory. You will only be presented a single option in this
  1498. menu if your system does not support both 32-bit and 64-bit kernels.
  1499. config 32BIT
  1500. bool "32-bit kernel"
  1501. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1502. select TRAD_SIGNALS
  1503. help
  1504. Select this option if you want to build a 32-bit kernel.
  1505. config 64BIT
  1506. bool "64-bit kernel"
  1507. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1508. select HAVE_SYSCALL_WRAPPERS
  1509. help
  1510. Select this option if you want to build a 64-bit kernel.
  1511. endchoice
  1512. choice
  1513. prompt "Kernel page size"
  1514. default PAGE_SIZE_4KB
  1515. config PAGE_SIZE_4KB
  1516. bool "4kB"
  1517. depends on !CPU_LOONGSON2
  1518. help
  1519. This option select the standard 4kB Linux page size. On some
  1520. R3000-family processors this is the only available page size. Using
  1521. 4kB page size will minimize memory consumption and is therefore
  1522. recommended for low memory systems.
  1523. config PAGE_SIZE_8KB
  1524. bool "8kB"
  1525. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1526. help
  1527. Using 8kB page size will result in higher performance kernel at
  1528. the price of higher memory consumption. This option is available
  1529. only on R8000 and cnMIPS processors. Note that you will need a
  1530. suitable Linux distribution to support this.
  1531. config PAGE_SIZE_16KB
  1532. bool "16kB"
  1533. depends on !CPU_R3000 && !CPU_TX39XX
  1534. help
  1535. Using 16kB page size will result in higher performance kernel at
  1536. the price of higher memory consumption. This option is available on
  1537. all non-R3000 family processors. Note that you will need a suitable
  1538. Linux distribution to support this.
  1539. config PAGE_SIZE_32KB
  1540. bool "32kB"
  1541. depends on CPU_CAVIUM_OCTEON
  1542. help
  1543. Using 32kB page size will result in higher performance kernel at
  1544. the price of higher memory consumption. This option is available
  1545. only on cnMIPS cores. Note that you will need a suitable Linux
  1546. distribution to support this.
  1547. config PAGE_SIZE_64KB
  1548. bool "64kB"
  1549. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1550. help
  1551. Using 64kB page size will result in higher performance kernel at
  1552. the price of higher memory consumption. This option is available on
  1553. all non-R3000 family processor. Not that at the time of this
  1554. writing this option is still high experimental.
  1555. endchoice
  1556. config FORCE_MAX_ZONEORDER
  1557. int "Maximum zone order"
  1558. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1559. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1560. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1561. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1562. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1563. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1564. range 11 64
  1565. default "11"
  1566. help
  1567. The kernel memory allocator divides physically contiguous memory
  1568. blocks into "zones", where each zone is a power of two number of
  1569. pages. This option selects the largest power of two that the kernel
  1570. keeps in the memory allocator. If you need to allocate very large
  1571. blocks of physically contiguous memory, then you may need to
  1572. increase this value.
  1573. This config option is actually maximum order plus one. For example,
  1574. a value of 11 means that the largest free memory block is 2^10 pages.
  1575. The page size is not necessarily 4KB. Keep this in mind
  1576. when choosing a value for this option.
  1577. config BOARD_SCACHE
  1578. bool
  1579. config IP22_CPU_SCACHE
  1580. bool
  1581. select BOARD_SCACHE
  1582. #
  1583. # Support for a MIPS32 / MIPS64 style S-caches
  1584. #
  1585. config MIPS_CPU_SCACHE
  1586. bool
  1587. select BOARD_SCACHE
  1588. config R5000_CPU_SCACHE
  1589. bool
  1590. select BOARD_SCACHE
  1591. config RM7000_CPU_SCACHE
  1592. bool
  1593. select BOARD_SCACHE
  1594. config SIBYTE_DMA_PAGEOPS
  1595. bool "Use DMA to clear/copy pages"
  1596. depends on CPU_SB1
  1597. help
  1598. Instead of using the CPU to zero and copy pages, use a Data Mover
  1599. channel. These DMA channels are otherwise unused by the standard
  1600. SiByte Linux port. Seems to give a small performance benefit.
  1601. config CPU_HAS_PREFETCH
  1602. bool
  1603. config CPU_GENERIC_DUMP_TLB
  1604. bool
  1605. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1606. config CPU_R4K_FPU
  1607. bool
  1608. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1609. config CPU_R4K_CACHE_TLB
  1610. bool
  1611. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1612. choice
  1613. prompt "MIPS MT options"
  1614. config MIPS_MT_DISABLED
  1615. bool "Disable multithreading support."
  1616. help
  1617. Use this option if your workload can't take advantage of
  1618. MIPS hardware multithreading support. On systems that don't have
  1619. the option of an MT-enabled processor this option will be the only
  1620. option in this menu.
  1621. config MIPS_MT_SMP
  1622. bool "Use 1 TC on each available VPE for SMP"
  1623. depends on SYS_SUPPORTS_MULTITHREADING
  1624. select CPU_MIPSR2_IRQ_VI
  1625. select CPU_MIPSR2_IRQ_EI
  1626. select MIPS_MT
  1627. select NR_CPUS_DEFAULT_2
  1628. select SMP
  1629. select SYS_SUPPORTS_SCHED_SMT if SMP
  1630. select SYS_SUPPORTS_SMP
  1631. select SMP_UP
  1632. select MIPS_PERF_SHARED_TC_COUNTERS
  1633. help
  1634. This is a kernel model which is known a VSMP but lately has been
  1635. marketesed into SMVP.
  1636. Virtual SMP uses the processor's VPEs to implement virtual
  1637. processors. In currently available configuration of the 34K processor
  1638. this allows for a dual processor. Both processors will share the same
  1639. primary caches; each will obtain the half of the TLB for it's own
  1640. exclusive use. For a layman this model can be described as similar to
  1641. what Intel calls Hyperthreading.
  1642. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1643. config MIPS_MT_SMTC
  1644. bool "SMTC: Use all TCs on all VPEs for SMP"
  1645. depends on CPU_MIPS32_R2
  1646. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1647. depends on SYS_SUPPORTS_MULTITHREADING
  1648. select CPU_MIPSR2_IRQ_VI
  1649. select CPU_MIPSR2_IRQ_EI
  1650. select MIPS_MT
  1651. select NR_CPUS_DEFAULT_8
  1652. select SMP
  1653. select SYS_SUPPORTS_SMP
  1654. select SMP_UP
  1655. help
  1656. This is a kernel model which is known a SMTC or lately has been
  1657. marketesed into SMVP.
  1658. is presenting the available TC's of the core as processors to Linux.
  1659. On currently available 34K processors this means a Linux system will
  1660. see up to 5 processors. The implementation of the SMTC kernel differs
  1661. significantly from VSMP and cannot efficiently coexist in the same
  1662. kernel binary so the choice between VSMP and SMTC is a compile time
  1663. decision.
  1664. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1665. endchoice
  1666. config MIPS_MT
  1667. bool
  1668. config SCHED_SMT
  1669. bool "SMT (multithreading) scheduler support"
  1670. depends on SYS_SUPPORTS_SCHED_SMT
  1671. default n
  1672. help
  1673. SMT scheduler support improves the CPU scheduler's decision making
  1674. when dealing with MIPS MT enabled cores at a cost of slightly
  1675. increased overhead in some places. If unsure say N here.
  1676. config SYS_SUPPORTS_SCHED_SMT
  1677. bool
  1678. config SYS_SUPPORTS_MULTITHREADING
  1679. bool
  1680. config MIPS_MT_FPAFF
  1681. bool "Dynamic FPU affinity for FP-intensive threads"
  1682. default y
  1683. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1684. config MIPS_VPE_LOADER
  1685. bool "VPE loader support."
  1686. depends on SYS_SUPPORTS_MULTITHREADING
  1687. select CPU_MIPSR2_IRQ_VI
  1688. select CPU_MIPSR2_IRQ_EI
  1689. select MIPS_MT
  1690. help
  1691. Includes a loader for loading an elf relocatable object
  1692. onto another VPE and running it.
  1693. config MIPS_MT_SMTC_IM_BACKSTOP
  1694. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1695. depends on MIPS_MT_SMTC
  1696. default n
  1697. help
  1698. To support multiple TC microthreads acting as "CPUs" within
  1699. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1700. during interrupt handling. To support legacy drivers and interrupt
  1701. controller management code, SMTC has a "backstop" to track and
  1702. if necessary restore the interrupt mask. This has some performance
  1703. impact on interrupt service overhead.
  1704. config MIPS_MT_SMTC_IRQAFF
  1705. bool "Support IRQ affinity API"
  1706. depends on MIPS_MT_SMTC
  1707. default n
  1708. help
  1709. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1710. for SMTC Linux kernel. Requires platform support, of which
  1711. an example can be found in the MIPS kernel i8259 and Malta
  1712. platform code. Adds some overhead to interrupt dispatch, and
  1713. should be used only if you know what you are doing.
  1714. config MIPS_VPE_LOADER_TOM
  1715. bool "Load VPE program into memory hidden from linux"
  1716. depends on MIPS_VPE_LOADER
  1717. default y
  1718. help
  1719. The loader can use memory that is present but has been hidden from
  1720. Linux using the kernel command line option "mem=xxMB". It's up to
  1721. you to ensure the amount you put in the option and the space your
  1722. program requires is less or equal to the amount physically present.
  1723. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1724. config MIPS_VPE_APSP_API
  1725. bool "Enable support for AP/SP API (RTLX)"
  1726. depends on MIPS_VPE_LOADER
  1727. help
  1728. config MIPS_CMP
  1729. bool "MIPS CMP framework support"
  1730. depends on SYS_SUPPORTS_MIPS_CMP
  1731. select SYNC_R4K
  1732. select SYS_SUPPORTS_SMP
  1733. select SYS_SUPPORTS_SCHED_SMT if SMP
  1734. select WEAK_ORDERING
  1735. default n
  1736. help
  1737. This is a placeholder option for the GCMP work. It will need to
  1738. be handled differently...
  1739. config SB1_PASS_1_WORKAROUNDS
  1740. bool
  1741. depends on CPU_SB1_PASS_1
  1742. default y
  1743. config SB1_PASS_2_WORKAROUNDS
  1744. bool
  1745. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1746. default y
  1747. config SB1_PASS_2_1_WORKAROUNDS
  1748. bool
  1749. depends on CPU_SB1 && CPU_SB1_PASS_2
  1750. default y
  1751. config 64BIT_PHYS_ADDR
  1752. bool
  1753. config ARCH_PHYS_ADDR_T_64BIT
  1754. def_bool 64BIT_PHYS_ADDR
  1755. config CPU_HAS_SMARTMIPS
  1756. depends on SYS_SUPPORTS_SMARTMIPS
  1757. bool "Support for the SmartMIPS ASE"
  1758. help
  1759. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1760. increased security at both hardware and software level for
  1761. smartcards. Enabling this option will allow proper use of the
  1762. SmartMIPS instructions by Linux applications. However a kernel with
  1763. this option will not work on a MIPS core without SmartMIPS core. If
  1764. you don't know you probably don't have SmartMIPS and should say N
  1765. here.
  1766. config CPU_HAS_WB
  1767. bool
  1768. config XKS01
  1769. bool
  1770. #
  1771. # Vectored interrupt mode is an R2 feature
  1772. #
  1773. config CPU_MIPSR2_IRQ_VI
  1774. bool
  1775. #
  1776. # Extended interrupt mode is an R2 feature
  1777. #
  1778. config CPU_MIPSR2_IRQ_EI
  1779. bool
  1780. config CPU_HAS_SYNC
  1781. bool
  1782. depends on !CPU_R3000
  1783. default y
  1784. #
  1785. # CPU non-features
  1786. #
  1787. config CPU_DADDI_WORKAROUNDS
  1788. bool
  1789. config CPU_R4000_WORKAROUNDS
  1790. bool
  1791. select CPU_R4400_WORKAROUNDS
  1792. config CPU_R4400_WORKAROUNDS
  1793. bool
  1794. #
  1795. # - Highmem only makes sense for the 32-bit kernel.
  1796. # - The current highmem code will only work properly on physically indexed
  1797. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1798. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1799. # moment we protect the user and offer the highmem option only on machines
  1800. # where it's known to be safe. This will not offer highmem on a few systems
  1801. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1802. # indexed CPUs but we're playing safe.
  1803. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1804. # know they might have memory configurations that could make use of highmem
  1805. # support.
  1806. #
  1807. config HIGHMEM
  1808. bool "High Memory Support"
  1809. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1810. config CPU_SUPPORTS_HIGHMEM
  1811. bool
  1812. config SYS_SUPPORTS_HIGHMEM
  1813. bool
  1814. config SYS_SUPPORTS_SMARTMIPS
  1815. bool
  1816. config ARCH_FLATMEM_ENABLE
  1817. def_bool y
  1818. depends on !NUMA && !CPU_LOONGSON2
  1819. config ARCH_DISCONTIGMEM_ENABLE
  1820. bool
  1821. default y if SGI_IP27
  1822. help
  1823. Say Y to support efficient handling of discontiguous physical memory,
  1824. for architectures which are either NUMA (Non-Uniform Memory Access)
  1825. or have huge holes in the physical address space for other reasons.
  1826. See <file:Documentation/vm/numa> for more.
  1827. config ARCH_SPARSEMEM_ENABLE
  1828. bool
  1829. select SPARSEMEM_STATIC
  1830. config NUMA
  1831. bool "NUMA Support"
  1832. depends on SYS_SUPPORTS_NUMA
  1833. help
  1834. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1835. Access). This option improves performance on systems with more
  1836. than two nodes; on two node systems it is generally better to
  1837. leave it disabled; on single node systems disable this option
  1838. disabled.
  1839. config SYS_SUPPORTS_NUMA
  1840. bool
  1841. config NODES_SHIFT
  1842. int
  1843. default "6"
  1844. depends on NEED_MULTIPLE_NODES
  1845. config HW_PERF_EVENTS
  1846. bool "Enable hardware performance counter support for perf events"
  1847. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1848. default y
  1849. help
  1850. Enable hardware performance counter support for perf events. If
  1851. disabled, perf events will use software events only.
  1852. source "mm/Kconfig"
  1853. config SMP
  1854. bool "Multi-Processing support"
  1855. depends on SYS_SUPPORTS_SMP
  1856. select IRQ_PER_CPU
  1857. select USE_GENERIC_SMP_HELPERS
  1858. help
  1859. This enables support for systems with more than one CPU. If you have
  1860. a system with only one CPU, like most personal computers, say N. If
  1861. you have a system with more than one CPU, say Y.
  1862. If you say N here, the kernel will run on single and multiprocessor
  1863. machines, but will use only one CPU of a multiprocessor machine. If
  1864. you say Y here, the kernel will run on many, but not all,
  1865. singleprocessor machines. On a singleprocessor machine, the kernel
  1866. will run faster if you say N here.
  1867. People using multiprocessor machines who say Y here should also say
  1868. Y to "Enhanced Real Time Clock Support", below.
  1869. See also the SMP-HOWTO available at
  1870. <http://www.tldp.org/docs.html#howto>.
  1871. If you don't know what to do here, say N.
  1872. config SMP_UP
  1873. bool
  1874. config SYS_SUPPORTS_MIPS_CMP
  1875. bool
  1876. config SYS_SUPPORTS_SMP
  1877. bool
  1878. config NR_CPUS_DEFAULT_1
  1879. bool
  1880. config NR_CPUS_DEFAULT_2
  1881. bool
  1882. config NR_CPUS_DEFAULT_4
  1883. bool
  1884. config NR_CPUS_DEFAULT_8
  1885. bool
  1886. config NR_CPUS_DEFAULT_16
  1887. bool
  1888. config NR_CPUS_DEFAULT_32
  1889. bool
  1890. config NR_CPUS_DEFAULT_64
  1891. bool
  1892. config NR_CPUS
  1893. int "Maximum number of CPUs (2-64)"
  1894. range 1 64 if NR_CPUS_DEFAULT_1
  1895. depends on SMP
  1896. default "1" if NR_CPUS_DEFAULT_1
  1897. default "2" if NR_CPUS_DEFAULT_2
  1898. default "4" if NR_CPUS_DEFAULT_4
  1899. default "8" if NR_CPUS_DEFAULT_8
  1900. default "16" if NR_CPUS_DEFAULT_16
  1901. default "32" if NR_CPUS_DEFAULT_32
  1902. default "64" if NR_CPUS_DEFAULT_64
  1903. help
  1904. This allows you to specify the maximum number of CPUs which this
  1905. kernel will support. The maximum supported value is 32 for 32-bit
  1906. kernel and 64 for 64-bit kernels; the minimum value which makes
  1907. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1908. and 2 for all others.
  1909. This is purely to save memory - each supported CPU adds
  1910. approximately eight kilobytes to the kernel image. For best
  1911. performance should round up your number of processors to the next
  1912. power of two.
  1913. config MIPS_PERF_SHARED_TC_COUNTERS
  1914. bool
  1915. #
  1916. # Timer Interrupt Frequency Configuration
  1917. #
  1918. choice
  1919. prompt "Timer frequency"
  1920. default HZ_250
  1921. help
  1922. Allows the configuration of the timer frequency.
  1923. config HZ_48
  1924. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1925. config HZ_100
  1926. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1927. config HZ_128
  1928. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1929. config HZ_250
  1930. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1931. config HZ_256
  1932. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1933. config HZ_1000
  1934. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1935. config HZ_1024
  1936. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1937. endchoice
  1938. config SYS_SUPPORTS_48HZ
  1939. bool
  1940. config SYS_SUPPORTS_100HZ
  1941. bool
  1942. config SYS_SUPPORTS_128HZ
  1943. bool
  1944. config SYS_SUPPORTS_250HZ
  1945. bool
  1946. config SYS_SUPPORTS_256HZ
  1947. bool
  1948. config SYS_SUPPORTS_1000HZ
  1949. bool
  1950. config SYS_SUPPORTS_1024HZ
  1951. bool
  1952. config SYS_SUPPORTS_ARBIT_HZ
  1953. bool
  1954. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1955. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1956. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1957. !SYS_SUPPORTS_1024HZ
  1958. config HZ
  1959. int
  1960. default 48 if HZ_48
  1961. default 100 if HZ_100
  1962. default 128 if HZ_128
  1963. default 250 if HZ_250
  1964. default 256 if HZ_256
  1965. default 1000 if HZ_1000
  1966. default 1024 if HZ_1024
  1967. source "kernel/Kconfig.preempt"
  1968. config KEXEC
  1969. bool "Kexec system call (EXPERIMENTAL)"
  1970. depends on EXPERIMENTAL
  1971. help
  1972. kexec is a system call that implements the ability to shutdown your
  1973. current kernel, and to start another kernel. It is like a reboot
  1974. but it is independent of the system firmware. And like a reboot
  1975. you can start any kernel with it, not just Linux.
  1976. The name comes from the similarity to the exec system call.
  1977. It is an ongoing process to be certain the hardware in a machine
  1978. is properly shutdown, so do not be surprised if this code does not
  1979. initially work for you. It may help to enable device hotplugging
  1980. support. As of this writing the exact hardware interface is
  1981. strongly in flux, so no good recommendation can be made.
  1982. config CRASH_DUMP
  1983. bool "Kernel crash dumps"
  1984. help
  1985. Generate crash dump after being started by kexec.
  1986. This should be normally only set in special crash dump kernels
  1987. which are loaded in the main kernel with kexec-tools into
  1988. a specially reserved region and then later executed after
  1989. a crash by kdump/kexec. The crash dump kernel must be compiled
  1990. to a memory address not used by the main kernel or firmware using
  1991. PHYSICAL_START.
  1992. config PHYSICAL_START
  1993. hex "Physical address where the kernel is loaded"
  1994. default "0xffffffff84000000" if 64BIT
  1995. default "0x84000000" if 32BIT
  1996. depends on CRASH_DUMP
  1997. help
  1998. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  1999. If you plan to use kernel for capturing the crash dump change
  2000. this value to start of the reserved region (the "X" value as
  2001. specified in the "crashkernel=YM@XM" command line boot parameter
  2002. passed to the panic-ed kernel).
  2003. config SECCOMP
  2004. bool "Enable seccomp to safely compute untrusted bytecode"
  2005. depends on PROC_FS
  2006. default y
  2007. help
  2008. This kernel feature is useful for number crunching applications
  2009. that may need to compute untrusted bytecode during their
  2010. execution. By using pipes or other transports made available to
  2011. the process as file descriptors supporting the read/write
  2012. syscalls, it's possible to isolate those applications in
  2013. their own address space using seccomp. Once seccomp is
  2014. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2015. and the task is only allowed to execute a few safe syscalls
  2016. defined by each seccomp mode.
  2017. If unsure, say Y. Only embedded should say N here.
  2018. config USE_OF
  2019. bool
  2020. select OF
  2021. select OF_EARLY_FLATTREE
  2022. select IRQ_DOMAIN
  2023. endmenu
  2024. config LOCKDEP_SUPPORT
  2025. bool
  2026. default y
  2027. config STACKTRACE_SUPPORT
  2028. bool
  2029. default y
  2030. source "init/Kconfig"
  2031. source "kernel/Kconfig.freezer"
  2032. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2033. config HW_HAS_EISA
  2034. bool
  2035. config HW_HAS_PCI
  2036. bool
  2037. config PCI
  2038. bool "Support for PCI controller"
  2039. depends on HW_HAS_PCI
  2040. select PCI_DOMAINS
  2041. select GENERIC_PCI_IOMAP
  2042. select NO_GENERIC_PCI_IOPORT_MAP
  2043. help
  2044. Find out whether you have a PCI motherboard. PCI is the name of a
  2045. bus system, i.e. the way the CPU talks to the other stuff inside
  2046. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2047. say Y, otherwise N.
  2048. config PCI_DOMAINS
  2049. bool
  2050. source "drivers/pci/Kconfig"
  2051. source "drivers/pci/pcie/Kconfig"
  2052. #
  2053. # ISA support is now enabled via select. Too many systems still have the one
  2054. # or other ISA chip on the board that users don't know about so don't expect
  2055. # users to choose the right thing ...
  2056. #
  2057. config ISA
  2058. bool
  2059. config EISA
  2060. bool "EISA support"
  2061. depends on HW_HAS_EISA
  2062. select ISA
  2063. select GENERIC_ISA_DMA
  2064. ---help---
  2065. The Extended Industry Standard Architecture (EISA) bus was
  2066. developed as an open alternative to the IBM MicroChannel bus.
  2067. The EISA bus provided some of the features of the IBM MicroChannel
  2068. bus while maintaining backward compatibility with cards made for
  2069. the older ISA bus. The EISA bus saw limited use between 1988 and
  2070. 1995 when it was made obsolete by the PCI bus.
  2071. Say Y here if you are building a kernel for an EISA-based machine.
  2072. Otherwise, say N.
  2073. source "drivers/eisa/Kconfig"
  2074. config TC
  2075. bool "TURBOchannel support"
  2076. depends on MACH_DECSTATION
  2077. help
  2078. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2079. processors. TURBOchannel programming specifications are available
  2080. at:
  2081. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2082. and:
  2083. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2084. Linux driver support status is documented at:
  2085. <http://www.linux-mips.org/wiki/DECstation>
  2086. config MMU
  2087. bool
  2088. default y
  2089. config I8253
  2090. bool
  2091. select CLKSRC_I8253
  2092. select CLKEVT_I8253
  2093. select MIPS_EXTERNAL_TIMER
  2094. config ZONE_DMA32
  2095. bool
  2096. source "drivers/pcmcia/Kconfig"
  2097. source "drivers/pci/hotplug/Kconfig"
  2098. config RAPIDIO
  2099. bool "RapidIO support"
  2100. depends on PCI
  2101. default n
  2102. help
  2103. If you say Y here, the kernel will include drivers and
  2104. infrastructure code to support RapidIO interconnect devices.
  2105. source "drivers/rapidio/Kconfig"
  2106. endmenu
  2107. menu "Executable file formats"
  2108. source "fs/Kconfig.binfmt"
  2109. config TRAD_SIGNALS
  2110. bool
  2111. config MIPS32_COMPAT
  2112. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2113. depends on 64BIT
  2114. help
  2115. Select this option if you want Linux/MIPS 32-bit binary
  2116. compatibility. Since all software available for Linux/MIPS is
  2117. currently 32-bit you should say Y here.
  2118. config COMPAT
  2119. bool
  2120. depends on MIPS32_COMPAT
  2121. select ARCH_WANT_OLD_COMPAT_IPC
  2122. default y
  2123. config SYSVIPC_COMPAT
  2124. bool
  2125. depends on COMPAT && SYSVIPC
  2126. default y
  2127. config MIPS32_O32
  2128. bool "Kernel support for o32 binaries"
  2129. depends on MIPS32_COMPAT
  2130. help
  2131. Select this option if you want to run o32 binaries. These are pure
  2132. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2133. existing binaries are in this format.
  2134. If unsure, say Y.
  2135. config MIPS32_N32
  2136. bool "Kernel support for n32 binaries"
  2137. depends on MIPS32_COMPAT
  2138. help
  2139. Select this option if you want to run n32 binaries. These are
  2140. 64-bit binaries using 32-bit quantities for addressing and certain
  2141. data that would normally be 64-bit. They are used in special
  2142. cases.
  2143. If unsure, say N.
  2144. config BINFMT_ELF32
  2145. bool
  2146. default y if MIPS32_O32 || MIPS32_N32
  2147. endmenu
  2148. menu "Power management options"
  2149. config ARCH_HIBERNATION_POSSIBLE
  2150. def_bool y
  2151. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2152. config ARCH_SUSPEND_POSSIBLE
  2153. def_bool y
  2154. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2155. source "kernel/power/Kconfig"
  2156. endmenu
  2157. source "arch/mips/kernel/cpufreq/Kconfig"
  2158. source "net/Kconfig"
  2159. source "drivers/Kconfig"
  2160. source "drivers/firmware/Kconfig"
  2161. source "fs/Kconfig"
  2162. source "arch/mips/Kconfig.debug"
  2163. source "security/Kconfig"
  2164. source "crypto/Kconfig"
  2165. source "lib/Kconfig"