Kconfig 62 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. help
  334. This enables support for the MIPS Technologies SEAD3 evaluation
  335. board.
  336. config NEC_MARKEINS
  337. bool "NEC EMMA2RH Mark-eins board"
  338. select SOC_EMMA2RH
  339. select HW_HAS_PCI
  340. help
  341. This enables support for the NEC Electronics Mark-eins boards.
  342. config MACH_VR41XX
  343. bool "NEC VR4100 series based machines"
  344. select CEVT_R4K
  345. select CSRC_R4K
  346. select SYS_HAS_CPU_VR41XX
  347. select ARCH_REQUIRE_GPIOLIB
  348. config NXP_STB220
  349. bool "NXP STB220 board"
  350. select SOC_PNX833X
  351. help
  352. Support for NXP Semiconductors STB220 Development Board.
  353. config NXP_STB225
  354. bool "NXP 225 board"
  355. select SOC_PNX833X
  356. select SOC_PNX8335
  357. help
  358. Support for NXP Semiconductors STB225 Development Board.
  359. config PNX8550_JBS
  360. bool "NXP PNX8550 based JBS board"
  361. select PNX8550
  362. select SYS_SUPPORTS_LITTLE_ENDIAN
  363. config PNX8550_STB810
  364. bool "NXP PNX8550 based STB810 board"
  365. select PNX8550
  366. select SYS_SUPPORTS_LITTLE_ENDIAN
  367. config PMC_MSP
  368. bool "PMC-Sierra MSP chipsets"
  369. depends on EXPERIMENTAL
  370. select CEVT_R4K
  371. select CSRC_R4K
  372. select DMA_NONCOHERENT
  373. select SWAP_IO_SPACE
  374. select NO_EXCEPT_FILL
  375. select BOOT_RAW
  376. select SYS_HAS_CPU_MIPS32_R1
  377. select SYS_HAS_CPU_MIPS32_R2
  378. select SYS_SUPPORTS_32BIT_KERNEL
  379. select SYS_SUPPORTS_BIG_ENDIAN
  380. select IRQ_CPU
  381. select SERIAL_8250
  382. select SERIAL_8250_CONSOLE
  383. help
  384. This adds support for the PMC-Sierra family of Multi-Service
  385. Processor System-On-A-Chips. These parts include a number
  386. of integrated peripherals, interfaces and DSPs in addition to
  387. a variety of MIPS cores.
  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 FW_ARC
  408. select FW_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 FW_ARC
  447. select FW_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 FW_ARC
  467. select FW_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 FW_ARC
  502. select FW_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 FW_ARC if CPU_LITTLE_ENDIAN
  612. select FW_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 EDAC_SUPPORT
  708. select SYS_SUPPORTS_HOTPLUG_CPU
  709. select SYS_HAS_EARLY_PRINTK
  710. select SYS_HAS_CPU_CAVIUM_OCTEON
  711. select SWAP_IO_SPACE
  712. select HW_HAS_PCI
  713. select ARCH_SUPPORTS_MSI
  714. select ZONE_DMA32
  715. select USB_ARCH_HAS_OHCI
  716. select USB_ARCH_HAS_EHCI
  717. select HOLES_IN_ZONE
  718. help
  719. This option supports all of the Octeon reference boards from Cavium
  720. Networks. It builds a kernel that dynamically determines the Octeon
  721. CPU type and supports all known board reference implementations.
  722. Some of the supported boards are:
  723. EBT3000
  724. EBH3000
  725. EBH3100
  726. Thunder
  727. Kodama
  728. Hikari
  729. Say Y here for most Octeon reference boards.
  730. config NLM_XLR_BOARD
  731. bool "Netlogic XLR/XLS based systems"
  732. depends on EXPERIMENTAL
  733. select BOOT_ELF32
  734. select NLM_COMMON
  735. select SYS_HAS_CPU_XLR
  736. select SYS_SUPPORTS_SMP
  737. select HW_HAS_PCI
  738. select SWAP_IO_SPACE
  739. select SYS_SUPPORTS_32BIT_KERNEL
  740. select SYS_SUPPORTS_64BIT_KERNEL
  741. select 64BIT_PHYS_ADDR
  742. select SYS_SUPPORTS_BIG_ENDIAN
  743. select SYS_SUPPORTS_HIGHMEM
  744. select DMA_COHERENT
  745. select NR_CPUS_DEFAULT_32
  746. select CEVT_R4K
  747. select CSRC_R4K
  748. select IRQ_CPU
  749. select ARCH_SUPPORTS_MSI
  750. select ZONE_DMA32 if 64BIT
  751. select SYNC_R4K
  752. select SYS_HAS_EARLY_PRINTK
  753. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  754. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  755. help
  756. Support for systems based on Netlogic XLR and XLS processors.
  757. Say Y here if you have a XLR or XLS based board.
  758. config NLM_XLP_BOARD
  759. bool "Netlogic XLP based systems"
  760. depends on EXPERIMENTAL
  761. select BOOT_ELF32
  762. select NLM_COMMON
  763. select SYS_HAS_CPU_XLP
  764. select SYS_SUPPORTS_SMP
  765. select HW_HAS_PCI
  766. select SYS_SUPPORTS_32BIT_KERNEL
  767. select SYS_SUPPORTS_64BIT_KERNEL
  768. select 64BIT_PHYS_ADDR
  769. select SYS_SUPPORTS_BIG_ENDIAN
  770. select SYS_SUPPORTS_LITTLE_ENDIAN
  771. select SYS_SUPPORTS_HIGHMEM
  772. select DMA_COHERENT
  773. select NR_CPUS_DEFAULT_32
  774. select CEVT_R4K
  775. select CSRC_R4K
  776. select IRQ_CPU
  777. select ZONE_DMA32 if 64BIT
  778. select SYNC_R4K
  779. select SYS_HAS_EARLY_PRINTK
  780. select USE_OF
  781. help
  782. This board is based on Netlogic XLP Processor.
  783. Say Y here if you have a XLP based board.
  784. endchoice
  785. source "arch/mips/alchemy/Kconfig"
  786. source "arch/mips/ath79/Kconfig"
  787. source "arch/mips/bcm47xx/Kconfig"
  788. source "arch/mips/bcm63xx/Kconfig"
  789. source "arch/mips/jazz/Kconfig"
  790. source "arch/mips/jz4740/Kconfig"
  791. source "arch/mips/lantiq/Kconfig"
  792. source "arch/mips/lasat/Kconfig"
  793. source "arch/mips/pmc-sierra/Kconfig"
  794. source "arch/mips/powertv/Kconfig"
  795. source "arch/mips/sgi-ip27/Kconfig"
  796. source "arch/mips/sibyte/Kconfig"
  797. source "arch/mips/txx9/Kconfig"
  798. source "arch/mips/vr41xx/Kconfig"
  799. source "arch/mips/cavium-octeon/Kconfig"
  800. source "arch/mips/loongson/Kconfig"
  801. source "arch/mips/loongson1/Kconfig"
  802. source "arch/mips/netlogic/Kconfig"
  803. endmenu
  804. config RWSEM_GENERIC_SPINLOCK
  805. bool
  806. default y
  807. config RWSEM_XCHGADD_ALGORITHM
  808. bool
  809. config ARCH_HAS_ILOG2_U32
  810. bool
  811. default n
  812. config ARCH_HAS_ILOG2_U64
  813. bool
  814. default n
  815. config GENERIC_HWEIGHT
  816. bool
  817. default y
  818. config GENERIC_CALIBRATE_DELAY
  819. bool
  820. default y
  821. config SCHED_OMIT_FRAME_POINTER
  822. bool
  823. default y
  824. #
  825. # Select some configuration options automatically based on user selections.
  826. #
  827. config FW_ARC
  828. bool
  829. config ARCH_MAY_HAVE_PC_FDC
  830. bool
  831. config BOOT_RAW
  832. bool
  833. config CEVT_BCM1480
  834. bool
  835. config CEVT_DS1287
  836. bool
  837. config CEVT_GT641XX
  838. bool
  839. config CEVT_R4K
  840. bool
  841. config CEVT_SB1250
  842. bool
  843. config CEVT_TXX9
  844. bool
  845. config CSRC_BCM1480
  846. bool
  847. config CSRC_IOASIC
  848. bool
  849. config CSRC_POWERTV
  850. bool
  851. config CSRC_R4K
  852. bool
  853. config CSRC_SB1250
  854. bool
  855. config GPIO_TXX9
  856. select GENERIC_GPIO
  857. select ARCH_REQUIRE_GPIOLIB
  858. bool
  859. config FW_CFE
  860. bool
  861. config ARCH_DMA_ADDR_T_64BIT
  862. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  863. config DMA_COHERENT
  864. bool
  865. config DMA_NONCOHERENT
  866. bool
  867. select NEED_DMA_MAP_STATE
  868. config NEED_DMA_MAP_STATE
  869. bool
  870. config SYS_HAS_EARLY_PRINTK
  871. bool
  872. config HOTPLUG_CPU
  873. bool "Support for hot-pluggable CPUs"
  874. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  875. help
  876. Say Y here to allow turning CPUs off and on. CPUs can be
  877. controlled through /sys/devices/system/cpu.
  878. (Note: power management support will enable this option
  879. automatically on SMP systems. )
  880. Say N if you want to disable CPU hotplug.
  881. config SYS_SUPPORTS_HOTPLUG_CPU
  882. bool
  883. config I8259
  884. bool
  885. config MIPS_BONITO64
  886. bool
  887. config MIPS_MSC
  888. bool
  889. config MIPS_NILE4
  890. bool
  891. config MIPS_DISABLE_OBSOLETE_IDE
  892. bool
  893. config SYNC_R4K
  894. bool
  895. config MIPS_MACHINE
  896. def_bool n
  897. config NO_IOPORT
  898. def_bool n
  899. config GENERIC_ISA_DMA
  900. bool
  901. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  902. select ISA_DMA_API
  903. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  904. bool
  905. select GENERIC_ISA_DMA
  906. config ISA_DMA_API
  907. bool
  908. config GENERIC_GPIO
  909. bool
  910. config HOLES_IN_ZONE
  911. bool
  912. #
  913. # Endianness selection. Sufficiently obscure so many users don't know what to
  914. # answer,so we try hard to limit the available choices. Also the use of a
  915. # choice statement should be more obvious to the user.
  916. #
  917. choice
  918. prompt "Endianness selection"
  919. help
  920. Some MIPS machines can be configured for either little or big endian
  921. byte order. These modes require different kernels and a different
  922. Linux distribution. In general there is one preferred byteorder for a
  923. particular system but some systems are just as commonly used in the
  924. one or the other endianness.
  925. config CPU_BIG_ENDIAN
  926. bool "Big endian"
  927. depends on SYS_SUPPORTS_BIG_ENDIAN
  928. config CPU_LITTLE_ENDIAN
  929. bool "Little endian"
  930. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  931. help
  932. endchoice
  933. config EXPORT_UASM
  934. bool
  935. config SYS_SUPPORTS_APM_EMULATION
  936. bool
  937. config SYS_SUPPORTS_BIG_ENDIAN
  938. bool
  939. config SYS_SUPPORTS_LITTLE_ENDIAN
  940. bool
  941. config SYS_SUPPORTS_HUGETLBFS
  942. bool
  943. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  944. default y
  945. config MIPS_HUGE_TLB_SUPPORT
  946. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  947. config IRQ_CPU
  948. bool
  949. config IRQ_CPU_RM7K
  950. bool
  951. config IRQ_MSP_SLP
  952. bool
  953. config IRQ_MSP_CIC
  954. bool
  955. config IRQ_TXX9
  956. bool
  957. config IRQ_GT641XX
  958. bool
  959. config IRQ_GIC
  960. bool
  961. config MIPS_BOARDS_GEN
  962. bool
  963. config PCI_GT64XXX_PCI0
  964. bool
  965. config NO_EXCEPT_FILL
  966. bool
  967. config SOC_EMMA2RH
  968. bool
  969. select CEVT_R4K
  970. select CSRC_R4K
  971. select DMA_NONCOHERENT
  972. select IRQ_CPU
  973. select SWAP_IO_SPACE
  974. select SYS_HAS_CPU_R5500
  975. select SYS_SUPPORTS_32BIT_KERNEL
  976. select SYS_SUPPORTS_64BIT_KERNEL
  977. select SYS_SUPPORTS_BIG_ENDIAN
  978. config SOC_PNX833X
  979. bool
  980. select CEVT_R4K
  981. select CSRC_R4K
  982. select IRQ_CPU
  983. select DMA_NONCOHERENT
  984. select SYS_HAS_CPU_MIPS32_R2
  985. select SYS_SUPPORTS_32BIT_KERNEL
  986. select SYS_SUPPORTS_LITTLE_ENDIAN
  987. select SYS_SUPPORTS_BIG_ENDIAN
  988. select GENERIC_GPIO
  989. select CPU_MIPSR2_IRQ_VI
  990. config SOC_PNX8335
  991. bool
  992. select SOC_PNX833X
  993. config PNX8550
  994. bool
  995. select SOC_PNX8550
  996. config SOC_PNX8550
  997. bool
  998. select DMA_NONCOHERENT
  999. select HW_HAS_PCI
  1000. select SYS_HAS_CPU_MIPS32_R1
  1001. select SYS_HAS_EARLY_PRINTK
  1002. select SYS_SUPPORTS_32BIT_KERNEL
  1003. select GENERIC_GPIO
  1004. config SWAP_IO_SPACE
  1005. bool
  1006. config SGI_HAS_INDYDOG
  1007. bool
  1008. config SGI_HAS_HAL2
  1009. bool
  1010. config SGI_HAS_SEEQ
  1011. bool
  1012. config SGI_HAS_WD93
  1013. bool
  1014. config SGI_HAS_ZILOG
  1015. bool
  1016. config SGI_HAS_I8042
  1017. bool
  1018. config DEFAULT_SGI_PARTITION
  1019. bool
  1020. config FW_ARC32
  1021. bool
  1022. config SNIPROM
  1023. bool
  1024. config BOOT_ELF32
  1025. bool
  1026. config MIPS_L1_CACHE_SHIFT
  1027. int
  1028. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1029. default "6" if MIPS_CPU_SCACHE
  1030. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1031. default "5"
  1032. config HAVE_STD_PC_SERIAL_PORT
  1033. bool
  1034. config ARC_CONSOLE
  1035. bool "ARC console support"
  1036. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1037. config ARC_MEMORY
  1038. bool
  1039. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1040. default y
  1041. config ARC_PROMLIB
  1042. bool
  1043. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1044. default y
  1045. config FW_ARC64
  1046. bool
  1047. config BOOT_ELF64
  1048. bool
  1049. menu "CPU selection"
  1050. choice
  1051. prompt "CPU type"
  1052. default CPU_R4X00
  1053. config CPU_LOONGSON2E
  1054. bool "Loongson 2E"
  1055. depends on SYS_HAS_CPU_LOONGSON2E
  1056. select CPU_LOONGSON2
  1057. help
  1058. The Loongson 2E processor implements the MIPS III instruction set
  1059. with many extensions.
  1060. It has an internal FPGA northbridge, which is compatible to
  1061. bonito64.
  1062. config CPU_LOONGSON2F
  1063. bool "Loongson 2F"
  1064. depends on SYS_HAS_CPU_LOONGSON2F
  1065. select CPU_LOONGSON2
  1066. select GENERIC_GPIO
  1067. select ARCH_REQUIRE_GPIOLIB
  1068. help
  1069. The Loongson 2F processor implements the MIPS III instruction set
  1070. with many extensions.
  1071. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1072. have a similar programming interface with FPGA northbridge used in
  1073. Loongson2E.
  1074. config CPU_LOONGSON1B
  1075. bool "Loongson 1B"
  1076. depends on SYS_HAS_CPU_LOONGSON1B
  1077. select CPU_LOONGSON1
  1078. help
  1079. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1080. release 2 instruction set.
  1081. config CPU_MIPS32_R1
  1082. bool "MIPS32 Release 1"
  1083. depends on SYS_HAS_CPU_MIPS32_R1
  1084. select CPU_HAS_PREFETCH
  1085. select CPU_SUPPORTS_32BIT_KERNEL
  1086. select CPU_SUPPORTS_HIGHMEM
  1087. help
  1088. Choose this option to build a kernel for release 1 or later of the
  1089. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1090. MIPS processor are based on a MIPS32 processor. If you know the
  1091. specific type of processor in your system, choose those that one
  1092. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1093. Release 2 of the MIPS32 architecture is available since several
  1094. years so chances are you even have a MIPS32 Release 2 processor
  1095. in which case you should choose CPU_MIPS32_R2 instead for better
  1096. performance.
  1097. config CPU_MIPS32_R2
  1098. bool "MIPS32 Release 2"
  1099. depends on SYS_HAS_CPU_MIPS32_R2
  1100. select CPU_HAS_PREFETCH
  1101. select CPU_SUPPORTS_32BIT_KERNEL
  1102. select CPU_SUPPORTS_HIGHMEM
  1103. help
  1104. Choose this option to build a kernel for release 2 or later of the
  1105. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1106. MIPS processor are based on a MIPS32 processor. If you know the
  1107. specific type of processor in your system, choose those that one
  1108. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1109. config CPU_MIPS64_R1
  1110. bool "MIPS64 Release 1"
  1111. depends on SYS_HAS_CPU_MIPS64_R1
  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 1 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. Release 2 of the MIPS64 architecture is available since several
  1124. years so chances are you even have a MIPS64 Release 2 processor
  1125. in which case you should choose CPU_MIPS64_R2 instead for better
  1126. performance.
  1127. config CPU_MIPS64_R2
  1128. bool "MIPS64 Release 2"
  1129. depends on SYS_HAS_CPU_MIPS64_R2
  1130. select CPU_HAS_PREFETCH
  1131. select CPU_SUPPORTS_32BIT_KERNEL
  1132. select CPU_SUPPORTS_64BIT_KERNEL
  1133. select CPU_SUPPORTS_HIGHMEM
  1134. select CPU_SUPPORTS_HUGEPAGES
  1135. help
  1136. Choose this option to build a kernel for release 2 or later of the
  1137. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1138. MIPS processor are based on a MIPS64 processor. If you know the
  1139. specific type of processor in your system, choose those that one
  1140. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1141. config CPU_R3000
  1142. bool "R3000"
  1143. depends on SYS_HAS_CPU_R3000
  1144. select CPU_HAS_WB
  1145. select CPU_SUPPORTS_32BIT_KERNEL
  1146. select CPU_SUPPORTS_HIGHMEM
  1147. help
  1148. Please make sure to pick the right CPU type. Linux/MIPS is not
  1149. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1150. *not* work on R4000 machines and vice versa. However, since most
  1151. of the supported machines have an R4000 (or similar) CPU, R4x00
  1152. might be a safe bet. If the resulting kernel does not work,
  1153. try to recompile with R3000.
  1154. config CPU_TX39XX
  1155. bool "R39XX"
  1156. depends on SYS_HAS_CPU_TX39XX
  1157. select CPU_SUPPORTS_32BIT_KERNEL
  1158. config CPU_VR41XX
  1159. bool "R41xx"
  1160. depends on SYS_HAS_CPU_VR41XX
  1161. select CPU_SUPPORTS_32BIT_KERNEL
  1162. select CPU_SUPPORTS_64BIT_KERNEL
  1163. help
  1164. The options selects support for the NEC VR4100 series of processors.
  1165. Only choose this option if you have one of these processors as a
  1166. kernel built with this option will not run on any other type of
  1167. processor or vice versa.
  1168. config CPU_R4300
  1169. bool "R4300"
  1170. depends on SYS_HAS_CPU_R4300
  1171. select CPU_SUPPORTS_32BIT_KERNEL
  1172. select CPU_SUPPORTS_64BIT_KERNEL
  1173. help
  1174. MIPS Technologies R4300-series processors.
  1175. config CPU_R4X00
  1176. bool "R4x00"
  1177. depends on SYS_HAS_CPU_R4X00
  1178. select CPU_SUPPORTS_32BIT_KERNEL
  1179. select CPU_SUPPORTS_64BIT_KERNEL
  1180. select CPU_SUPPORTS_HUGEPAGES
  1181. help
  1182. MIPS Technologies R4000-series processors other than 4300, including
  1183. the R4000, R4400, R4600, and 4700.
  1184. config CPU_TX49XX
  1185. bool "R49XX"
  1186. depends on SYS_HAS_CPU_TX49XX
  1187. select CPU_HAS_PREFETCH
  1188. select CPU_SUPPORTS_32BIT_KERNEL
  1189. select CPU_SUPPORTS_64BIT_KERNEL
  1190. select CPU_SUPPORTS_HUGEPAGES
  1191. config CPU_R5000
  1192. bool "R5000"
  1193. depends on SYS_HAS_CPU_R5000
  1194. select CPU_SUPPORTS_32BIT_KERNEL
  1195. select CPU_SUPPORTS_64BIT_KERNEL
  1196. select CPU_SUPPORTS_HUGEPAGES
  1197. help
  1198. MIPS Technologies R5000-series processors other than the Nevada.
  1199. config CPU_R5432
  1200. bool "R5432"
  1201. depends on SYS_HAS_CPU_R5432
  1202. select CPU_SUPPORTS_32BIT_KERNEL
  1203. select CPU_SUPPORTS_64BIT_KERNEL
  1204. select CPU_SUPPORTS_HUGEPAGES
  1205. config CPU_R5500
  1206. bool "R5500"
  1207. depends on SYS_HAS_CPU_R5500
  1208. select CPU_SUPPORTS_32BIT_KERNEL
  1209. select CPU_SUPPORTS_64BIT_KERNEL
  1210. select CPU_SUPPORTS_HUGEPAGES
  1211. help
  1212. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1213. instruction set.
  1214. config CPU_R6000
  1215. bool "R6000"
  1216. depends on EXPERIMENTAL
  1217. depends on SYS_HAS_CPU_R6000
  1218. select CPU_SUPPORTS_32BIT_KERNEL
  1219. help
  1220. MIPS Technologies R6000 and R6000A series processors. Note these
  1221. processors are extremely rare and the support for them is incomplete.
  1222. config CPU_NEVADA
  1223. bool "RM52xx"
  1224. depends on SYS_HAS_CPU_NEVADA
  1225. select CPU_SUPPORTS_32BIT_KERNEL
  1226. select CPU_SUPPORTS_64BIT_KERNEL
  1227. select CPU_SUPPORTS_HUGEPAGES
  1228. help
  1229. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1230. config CPU_R8000
  1231. bool "R8000"
  1232. depends on EXPERIMENTAL
  1233. depends on SYS_HAS_CPU_R8000
  1234. select CPU_HAS_PREFETCH
  1235. select CPU_SUPPORTS_64BIT_KERNEL
  1236. help
  1237. MIPS Technologies R8000 processors. Note these processors are
  1238. uncommon and the support for them is incomplete.
  1239. config CPU_R10000
  1240. bool "R10000"
  1241. depends on SYS_HAS_CPU_R10000
  1242. select CPU_HAS_PREFETCH
  1243. select CPU_SUPPORTS_32BIT_KERNEL
  1244. select CPU_SUPPORTS_64BIT_KERNEL
  1245. select CPU_SUPPORTS_HIGHMEM
  1246. select CPU_SUPPORTS_HUGEPAGES
  1247. help
  1248. MIPS Technologies R10000-series processors.
  1249. config CPU_RM7000
  1250. bool "RM7000"
  1251. depends on SYS_HAS_CPU_RM7000
  1252. select CPU_HAS_PREFETCH
  1253. select CPU_SUPPORTS_32BIT_KERNEL
  1254. select CPU_SUPPORTS_64BIT_KERNEL
  1255. select CPU_SUPPORTS_HIGHMEM
  1256. select CPU_SUPPORTS_HUGEPAGES
  1257. config CPU_SB1
  1258. bool "SB1"
  1259. depends on SYS_HAS_CPU_SB1
  1260. select CPU_SUPPORTS_32BIT_KERNEL
  1261. select CPU_SUPPORTS_64BIT_KERNEL
  1262. select CPU_SUPPORTS_HIGHMEM
  1263. select CPU_SUPPORTS_HUGEPAGES
  1264. select WEAK_ORDERING
  1265. config CPU_CAVIUM_OCTEON
  1266. bool "Cavium Octeon processor"
  1267. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1268. select ARCH_SPARSEMEM_ENABLE
  1269. select CPU_HAS_PREFETCH
  1270. select CPU_SUPPORTS_64BIT_KERNEL
  1271. select SYS_SUPPORTS_SMP
  1272. select NR_CPUS_DEFAULT_16
  1273. select WEAK_ORDERING
  1274. select CPU_SUPPORTS_HIGHMEM
  1275. select CPU_SUPPORTS_HUGEPAGES
  1276. select LIBFDT
  1277. select USE_OF
  1278. help
  1279. The Cavium Octeon processor is a highly integrated chip containing
  1280. many ethernet hardware widgets for networking tasks. The processor
  1281. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1282. Full details can be found at http://www.caviumnetworks.com.
  1283. config CPU_BMIPS3300
  1284. bool "BMIPS3300"
  1285. depends on SYS_HAS_CPU_BMIPS3300
  1286. select CPU_BMIPS
  1287. help
  1288. Broadcom BMIPS3300 processors.
  1289. config CPU_BMIPS4350
  1290. bool "BMIPS4350"
  1291. depends on SYS_HAS_CPU_BMIPS4350
  1292. select CPU_BMIPS
  1293. select SYS_SUPPORTS_SMP
  1294. select SYS_SUPPORTS_HOTPLUG_CPU
  1295. help
  1296. Broadcom BMIPS4350 ("VIPER") processors.
  1297. config CPU_BMIPS4380
  1298. bool "BMIPS4380"
  1299. depends on SYS_HAS_CPU_BMIPS4380
  1300. select CPU_BMIPS
  1301. select SYS_SUPPORTS_SMP
  1302. select SYS_SUPPORTS_HOTPLUG_CPU
  1303. help
  1304. Broadcom BMIPS4380 processors.
  1305. config CPU_BMIPS5000
  1306. bool "BMIPS5000"
  1307. depends on SYS_HAS_CPU_BMIPS5000
  1308. select CPU_BMIPS
  1309. select CPU_SUPPORTS_HIGHMEM
  1310. select MIPS_CPU_SCACHE
  1311. select SYS_SUPPORTS_SMP
  1312. select SYS_SUPPORTS_HOTPLUG_CPU
  1313. help
  1314. Broadcom BMIPS5000 processors.
  1315. config CPU_XLR
  1316. bool "Netlogic XLR SoC"
  1317. depends on SYS_HAS_CPU_XLR
  1318. select CPU_SUPPORTS_32BIT_KERNEL
  1319. select CPU_SUPPORTS_64BIT_KERNEL
  1320. select CPU_SUPPORTS_HIGHMEM
  1321. select CPU_SUPPORTS_HUGEPAGES
  1322. select WEAK_ORDERING
  1323. select WEAK_REORDERING_BEYOND_LLSC
  1324. help
  1325. Netlogic Microsystems XLR/XLS processors.
  1326. config CPU_XLP
  1327. bool "Netlogic XLP SoC"
  1328. depends on SYS_HAS_CPU_XLP
  1329. select CPU_SUPPORTS_32BIT_KERNEL
  1330. select CPU_SUPPORTS_64BIT_KERNEL
  1331. select CPU_SUPPORTS_HIGHMEM
  1332. select CPU_HAS_LLSC
  1333. select WEAK_ORDERING
  1334. select WEAK_REORDERING_BEYOND_LLSC
  1335. select CPU_HAS_PREFETCH
  1336. select CPU_MIPSR2
  1337. help
  1338. Netlogic Microsystems XLP processors.
  1339. endchoice
  1340. if CPU_LOONGSON2F
  1341. config CPU_NOP_WORKAROUNDS
  1342. bool
  1343. config CPU_JUMP_WORKAROUNDS
  1344. bool
  1345. config CPU_LOONGSON2F_WORKAROUNDS
  1346. bool "Loongson 2F Workarounds"
  1347. default y
  1348. select CPU_NOP_WORKAROUNDS
  1349. select CPU_JUMP_WORKAROUNDS
  1350. help
  1351. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1352. require workarounds. Without workarounds the system may hang
  1353. unexpectedly. For more information please refer to the gas
  1354. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1355. Loongson 2F03 and later have fixed these issues and no workarounds
  1356. are needed. The workarounds have no significant side effect on them
  1357. but may decrease the performance of the system so this option should
  1358. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1359. systems.
  1360. If unsure, please say Y.
  1361. endif # CPU_LOONGSON2F
  1362. config SYS_SUPPORTS_ZBOOT
  1363. bool
  1364. select HAVE_KERNEL_GZIP
  1365. select HAVE_KERNEL_BZIP2
  1366. select HAVE_KERNEL_LZMA
  1367. select HAVE_KERNEL_LZO
  1368. config SYS_SUPPORTS_ZBOOT_UART16550
  1369. bool
  1370. select SYS_SUPPORTS_ZBOOT
  1371. config CPU_LOONGSON2
  1372. bool
  1373. select CPU_SUPPORTS_32BIT_KERNEL
  1374. select CPU_SUPPORTS_64BIT_KERNEL
  1375. select CPU_SUPPORTS_HIGHMEM
  1376. select CPU_SUPPORTS_HUGEPAGES
  1377. config CPU_LOONGSON1
  1378. bool
  1379. select CPU_MIPS32
  1380. select CPU_MIPSR2
  1381. select CPU_HAS_PREFETCH
  1382. select CPU_SUPPORTS_32BIT_KERNEL
  1383. select CPU_SUPPORTS_HIGHMEM
  1384. config CPU_BMIPS
  1385. bool
  1386. select CPU_MIPS32
  1387. select CPU_SUPPORTS_32BIT_KERNEL
  1388. select DMA_NONCOHERENT
  1389. select IRQ_CPU
  1390. select SWAP_IO_SPACE
  1391. select WEAK_ORDERING
  1392. config SYS_HAS_CPU_LOONGSON2E
  1393. bool
  1394. config SYS_HAS_CPU_LOONGSON2F
  1395. bool
  1396. select CPU_SUPPORTS_CPUFREQ
  1397. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1398. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1399. config SYS_HAS_CPU_LOONGSON1B
  1400. bool
  1401. config SYS_HAS_CPU_MIPS32_R1
  1402. bool
  1403. config SYS_HAS_CPU_MIPS32_R2
  1404. bool
  1405. config SYS_HAS_CPU_MIPS64_R1
  1406. bool
  1407. config SYS_HAS_CPU_MIPS64_R2
  1408. bool
  1409. config SYS_HAS_CPU_R3000
  1410. bool
  1411. config SYS_HAS_CPU_TX39XX
  1412. bool
  1413. config SYS_HAS_CPU_VR41XX
  1414. bool
  1415. config SYS_HAS_CPU_R4300
  1416. bool
  1417. config SYS_HAS_CPU_R4X00
  1418. bool
  1419. config SYS_HAS_CPU_TX49XX
  1420. bool
  1421. config SYS_HAS_CPU_R5000
  1422. bool
  1423. config SYS_HAS_CPU_R5432
  1424. bool
  1425. config SYS_HAS_CPU_R5500
  1426. bool
  1427. config SYS_HAS_CPU_R6000
  1428. bool
  1429. config SYS_HAS_CPU_NEVADA
  1430. bool
  1431. config SYS_HAS_CPU_R8000
  1432. bool
  1433. config SYS_HAS_CPU_R10000
  1434. bool
  1435. config SYS_HAS_CPU_RM7000
  1436. bool
  1437. config SYS_HAS_CPU_SB1
  1438. bool
  1439. config SYS_HAS_CPU_CAVIUM_OCTEON
  1440. bool
  1441. config SYS_HAS_CPU_BMIPS3300
  1442. bool
  1443. config SYS_HAS_CPU_BMIPS4350
  1444. bool
  1445. config SYS_HAS_CPU_BMIPS4380
  1446. bool
  1447. config SYS_HAS_CPU_BMIPS5000
  1448. bool
  1449. config SYS_HAS_CPU_XLR
  1450. bool
  1451. config SYS_HAS_CPU_XLP
  1452. bool
  1453. #
  1454. # CPU may reorder R->R, R->W, W->R, W->W
  1455. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1456. #
  1457. config WEAK_ORDERING
  1458. bool
  1459. #
  1460. # CPU may reorder reads and writes beyond LL/SC
  1461. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1462. #
  1463. config WEAK_REORDERING_BEYOND_LLSC
  1464. bool
  1465. endmenu
  1466. #
  1467. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1468. #
  1469. config CPU_MIPS32
  1470. bool
  1471. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1472. config CPU_MIPS64
  1473. bool
  1474. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1475. #
  1476. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1477. #
  1478. config CPU_MIPSR1
  1479. bool
  1480. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1481. config CPU_MIPSR2
  1482. bool
  1483. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1484. config SYS_SUPPORTS_32BIT_KERNEL
  1485. bool
  1486. config SYS_SUPPORTS_64BIT_KERNEL
  1487. bool
  1488. config CPU_SUPPORTS_32BIT_KERNEL
  1489. bool
  1490. config CPU_SUPPORTS_64BIT_KERNEL
  1491. bool
  1492. config CPU_SUPPORTS_CPUFREQ
  1493. bool
  1494. config CPU_SUPPORTS_ADDRWINCFG
  1495. bool
  1496. config CPU_SUPPORTS_HUGEPAGES
  1497. bool
  1498. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1499. bool
  1500. config MIPS_PGD_C0_CONTEXT
  1501. bool
  1502. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1503. #
  1504. # Set to y for ptrace access to watch registers.
  1505. #
  1506. config HARDWARE_WATCHPOINTS
  1507. bool
  1508. default y if CPU_MIPSR1 || CPU_MIPSR2
  1509. menu "Kernel type"
  1510. choice
  1511. prompt "Kernel code model"
  1512. help
  1513. You should only select this option if you have a workload that
  1514. actually benefits from 64-bit processing or if your machine has
  1515. large memory. You will only be presented a single option in this
  1516. menu if your system does not support both 32-bit and 64-bit kernels.
  1517. config 32BIT
  1518. bool "32-bit kernel"
  1519. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1520. select TRAD_SIGNALS
  1521. help
  1522. Select this option if you want to build a 32-bit kernel.
  1523. config 64BIT
  1524. bool "64-bit kernel"
  1525. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1526. select HAVE_SYSCALL_WRAPPERS
  1527. help
  1528. Select this option if you want to build a 64-bit kernel.
  1529. endchoice
  1530. choice
  1531. prompt "Kernel page size"
  1532. default PAGE_SIZE_4KB
  1533. config PAGE_SIZE_4KB
  1534. bool "4kB"
  1535. depends on !CPU_LOONGSON2
  1536. help
  1537. This option select the standard 4kB Linux page size. On some
  1538. R3000-family processors this is the only available page size. Using
  1539. 4kB page size will minimize memory consumption and is therefore
  1540. recommended for low memory systems.
  1541. config PAGE_SIZE_8KB
  1542. bool "8kB"
  1543. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1544. help
  1545. Using 8kB page size will result in higher performance kernel at
  1546. the price of higher memory consumption. This option is available
  1547. only on R8000 and cnMIPS processors. Note that you will need a
  1548. suitable Linux distribution to support this.
  1549. config PAGE_SIZE_16KB
  1550. bool "16kB"
  1551. depends on !CPU_R3000 && !CPU_TX39XX
  1552. help
  1553. Using 16kB page size will result in higher performance kernel at
  1554. the price of higher memory consumption. This option is available on
  1555. all non-R3000 family processors. Note that you will need a suitable
  1556. Linux distribution to support this.
  1557. config PAGE_SIZE_32KB
  1558. bool "32kB"
  1559. depends on CPU_CAVIUM_OCTEON
  1560. help
  1561. Using 32kB page size will result in higher performance kernel at
  1562. the price of higher memory consumption. This option is available
  1563. only on cnMIPS cores. Note that you will need a suitable Linux
  1564. distribution to support this.
  1565. config PAGE_SIZE_64KB
  1566. bool "64kB"
  1567. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1568. help
  1569. Using 64kB page size will result in higher performance kernel at
  1570. the price of higher memory consumption. This option is available on
  1571. all non-R3000 family processor. Not that at the time of this
  1572. writing this option is still high experimental.
  1573. endchoice
  1574. config FORCE_MAX_ZONEORDER
  1575. int "Maximum zone order"
  1576. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1577. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1578. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1579. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1580. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1581. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1582. range 11 64
  1583. default "11"
  1584. help
  1585. The kernel memory allocator divides physically contiguous memory
  1586. blocks into "zones", where each zone is a power of two number of
  1587. pages. This option selects the largest power of two that the kernel
  1588. keeps in the memory allocator. If you need to allocate very large
  1589. blocks of physically contiguous memory, then you may need to
  1590. increase this value.
  1591. This config option is actually maximum order plus one. For example,
  1592. a value of 11 means that the largest free memory block is 2^10 pages.
  1593. The page size is not necessarily 4KB. Keep this in mind
  1594. when choosing a value for this option.
  1595. config BOARD_SCACHE
  1596. bool
  1597. config IP22_CPU_SCACHE
  1598. bool
  1599. select BOARD_SCACHE
  1600. #
  1601. # Support for a MIPS32 / MIPS64 style S-caches
  1602. #
  1603. config MIPS_CPU_SCACHE
  1604. bool
  1605. select BOARD_SCACHE
  1606. config R5000_CPU_SCACHE
  1607. bool
  1608. select BOARD_SCACHE
  1609. config RM7000_CPU_SCACHE
  1610. bool
  1611. select BOARD_SCACHE
  1612. config SIBYTE_DMA_PAGEOPS
  1613. bool "Use DMA to clear/copy pages"
  1614. depends on CPU_SB1
  1615. help
  1616. Instead of using the CPU to zero and copy pages, use a Data Mover
  1617. channel. These DMA channels are otherwise unused by the standard
  1618. SiByte Linux port. Seems to give a small performance benefit.
  1619. config CPU_HAS_PREFETCH
  1620. bool
  1621. config CPU_GENERIC_DUMP_TLB
  1622. bool
  1623. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1624. config CPU_R4K_FPU
  1625. bool
  1626. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1627. config CPU_R4K_CACHE_TLB
  1628. bool
  1629. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  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. select MIPS_PERF_SHARED_TC_COUNTERS
  1651. help
  1652. This is a kernel model which is known a VSMP but lately has been
  1653. marketesed into SMVP.
  1654. Virtual SMP uses the processor's VPEs to implement virtual
  1655. processors. In currently available configuration of the 34K processor
  1656. this allows for a dual processor. Both processors will share the same
  1657. primary caches; each will obtain the half of the TLB for it's own
  1658. exclusive use. For a layman this model can be described as similar to
  1659. what Intel calls Hyperthreading.
  1660. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1661. config MIPS_MT_SMTC
  1662. bool "SMTC: Use all TCs on all VPEs for SMP"
  1663. depends on CPU_MIPS32_R2
  1664. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1665. depends on SYS_SUPPORTS_MULTITHREADING
  1666. select CPU_MIPSR2_IRQ_VI
  1667. select CPU_MIPSR2_IRQ_EI
  1668. select MIPS_MT
  1669. select NR_CPUS_DEFAULT_8
  1670. select SMP
  1671. select SYS_SUPPORTS_SMP
  1672. select SMP_UP
  1673. help
  1674. This is a kernel model which is known a SMTC or lately has been
  1675. marketesed into SMVP.
  1676. is presenting the available TC's of the core as processors to Linux.
  1677. On currently available 34K processors this means a Linux system will
  1678. see up to 5 processors. The implementation of the SMTC kernel differs
  1679. significantly from VSMP and cannot efficiently coexist in the same
  1680. kernel binary so the choice between VSMP and SMTC is a compile time
  1681. decision.
  1682. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1683. endchoice
  1684. config MIPS_MT
  1685. bool
  1686. config SCHED_SMT
  1687. bool "SMT (multithreading) scheduler support"
  1688. depends on SYS_SUPPORTS_SCHED_SMT
  1689. default n
  1690. help
  1691. SMT scheduler support improves the CPU scheduler's decision making
  1692. when dealing with MIPS MT enabled cores at a cost of slightly
  1693. increased overhead in some places. If unsure say N here.
  1694. config SYS_SUPPORTS_SCHED_SMT
  1695. bool
  1696. config SYS_SUPPORTS_MULTITHREADING
  1697. bool
  1698. config MIPS_MT_FPAFF
  1699. bool "Dynamic FPU affinity for FP-intensive threads"
  1700. default y
  1701. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1702. config MIPS_VPE_LOADER
  1703. bool "VPE loader support."
  1704. depends on SYS_SUPPORTS_MULTITHREADING
  1705. select CPU_MIPSR2_IRQ_VI
  1706. select CPU_MIPSR2_IRQ_EI
  1707. select MIPS_MT
  1708. help
  1709. Includes a loader for loading an elf relocatable object
  1710. onto another VPE and running it.
  1711. config MIPS_MT_SMTC_IM_BACKSTOP
  1712. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1713. depends on MIPS_MT_SMTC
  1714. default n
  1715. help
  1716. To support multiple TC microthreads acting as "CPUs" within
  1717. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1718. during interrupt handling. To support legacy drivers and interrupt
  1719. controller management code, SMTC has a "backstop" to track and
  1720. if necessary restore the interrupt mask. This has some performance
  1721. impact on interrupt service overhead.
  1722. config MIPS_MT_SMTC_IRQAFF
  1723. bool "Support IRQ affinity API"
  1724. depends on MIPS_MT_SMTC
  1725. default n
  1726. help
  1727. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1728. for SMTC Linux kernel. Requires platform support, of which
  1729. an example can be found in the MIPS kernel i8259 and Malta
  1730. platform code. Adds some overhead to interrupt dispatch, and
  1731. should be used only if you know what you are doing.
  1732. config MIPS_VPE_LOADER_TOM
  1733. bool "Load VPE program into memory hidden from linux"
  1734. depends on MIPS_VPE_LOADER
  1735. default y
  1736. help
  1737. The loader can use memory that is present but has been hidden from
  1738. Linux using the kernel command line option "mem=xxMB". It's up to
  1739. you to ensure the amount you put in the option and the space your
  1740. program requires is less or equal to the amount physically present.
  1741. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1742. config MIPS_VPE_APSP_API
  1743. bool "Enable support for AP/SP API (RTLX)"
  1744. depends on MIPS_VPE_LOADER
  1745. help
  1746. config MIPS_CMP
  1747. bool "MIPS CMP framework support"
  1748. depends on SYS_SUPPORTS_MIPS_CMP
  1749. select SYNC_R4K
  1750. select SYS_SUPPORTS_SMP
  1751. select SYS_SUPPORTS_SCHED_SMT if SMP
  1752. select WEAK_ORDERING
  1753. default n
  1754. help
  1755. This is a placeholder option for the GCMP work. It will need to
  1756. be handled differently...
  1757. config SB1_PASS_1_WORKAROUNDS
  1758. bool
  1759. depends on CPU_SB1_PASS_1
  1760. default y
  1761. config SB1_PASS_2_WORKAROUNDS
  1762. bool
  1763. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1764. default y
  1765. config SB1_PASS_2_1_WORKAROUNDS
  1766. bool
  1767. depends on CPU_SB1 && CPU_SB1_PASS_2
  1768. default y
  1769. config 64BIT_PHYS_ADDR
  1770. bool
  1771. config ARCH_PHYS_ADDR_T_64BIT
  1772. def_bool 64BIT_PHYS_ADDR
  1773. config CPU_HAS_SMARTMIPS
  1774. depends on SYS_SUPPORTS_SMARTMIPS
  1775. bool "Support for the SmartMIPS ASE"
  1776. help
  1777. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1778. increased security at both hardware and software level for
  1779. smartcards. Enabling this option will allow proper use of the
  1780. SmartMIPS instructions by Linux applications. However a kernel with
  1781. this option will not work on a MIPS core without SmartMIPS core. If
  1782. you don't know you probably don't have SmartMIPS and should say N
  1783. here.
  1784. config CPU_HAS_WB
  1785. bool
  1786. config XKS01
  1787. bool
  1788. #
  1789. # Vectored interrupt mode is an R2 feature
  1790. #
  1791. config CPU_MIPSR2_IRQ_VI
  1792. bool
  1793. #
  1794. # Extended interrupt mode is an R2 feature
  1795. #
  1796. config CPU_MIPSR2_IRQ_EI
  1797. bool
  1798. config CPU_HAS_SYNC
  1799. bool
  1800. depends on !CPU_R3000
  1801. default y
  1802. #
  1803. # CPU non-features
  1804. #
  1805. config CPU_DADDI_WORKAROUNDS
  1806. bool
  1807. config CPU_R4000_WORKAROUNDS
  1808. bool
  1809. select CPU_R4400_WORKAROUNDS
  1810. config CPU_R4400_WORKAROUNDS
  1811. bool
  1812. #
  1813. # - Highmem only makes sense for the 32-bit kernel.
  1814. # - The current highmem code will only work properly on physically indexed
  1815. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1816. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1817. # moment we protect the user and offer the highmem option only on machines
  1818. # where it's known to be safe. This will not offer highmem on a few systems
  1819. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1820. # indexed CPUs but we're playing safe.
  1821. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1822. # know they might have memory configurations that could make use of highmem
  1823. # support.
  1824. #
  1825. config HIGHMEM
  1826. bool "High Memory Support"
  1827. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1828. config CPU_SUPPORTS_HIGHMEM
  1829. bool
  1830. config SYS_SUPPORTS_HIGHMEM
  1831. bool
  1832. config SYS_SUPPORTS_SMARTMIPS
  1833. bool
  1834. config ARCH_FLATMEM_ENABLE
  1835. def_bool y
  1836. depends on !NUMA && !CPU_LOONGSON2
  1837. config ARCH_DISCONTIGMEM_ENABLE
  1838. bool
  1839. default y if SGI_IP27
  1840. help
  1841. Say Y to support efficient handling of discontiguous physical memory,
  1842. for architectures which are either NUMA (Non-Uniform Memory Access)
  1843. or have huge holes in the physical address space for other reasons.
  1844. See <file:Documentation/vm/numa> for more.
  1845. config ARCH_SPARSEMEM_ENABLE
  1846. bool
  1847. select SPARSEMEM_STATIC
  1848. config NUMA
  1849. bool "NUMA Support"
  1850. depends on SYS_SUPPORTS_NUMA
  1851. help
  1852. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1853. Access). This option improves performance on systems with more
  1854. than two nodes; on two node systems it is generally better to
  1855. leave it disabled; on single node systems disable this option
  1856. disabled.
  1857. config SYS_SUPPORTS_NUMA
  1858. bool
  1859. config NODES_SHIFT
  1860. int
  1861. default "6"
  1862. depends on NEED_MULTIPLE_NODES
  1863. config HW_PERF_EVENTS
  1864. bool "Enable hardware performance counter support for perf events"
  1865. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1866. default y
  1867. help
  1868. Enable hardware performance counter support for perf events. If
  1869. disabled, perf events will use software events only.
  1870. source "mm/Kconfig"
  1871. config SMP
  1872. bool "Multi-Processing support"
  1873. depends on SYS_SUPPORTS_SMP
  1874. select IRQ_PER_CPU
  1875. select USE_GENERIC_SMP_HELPERS
  1876. help
  1877. This enables support for systems with more than one CPU. If you have
  1878. a system with only one CPU, like most personal computers, say N. If
  1879. you have a system with more than one CPU, say Y.
  1880. If you say N here, the kernel will run on single and multiprocessor
  1881. machines, but will use only one CPU of a multiprocessor machine. If
  1882. you say Y here, the kernel will run on many, but not all,
  1883. singleprocessor machines. On a singleprocessor machine, the kernel
  1884. will run faster if you say N here.
  1885. People using multiprocessor machines who say Y here should also say
  1886. Y to "Enhanced Real Time Clock Support", below.
  1887. See also the SMP-HOWTO available at
  1888. <http://www.tldp.org/docs.html#howto>.
  1889. If you don't know what to do here, say N.
  1890. config SMP_UP
  1891. bool
  1892. config SYS_SUPPORTS_MIPS_CMP
  1893. bool
  1894. config SYS_SUPPORTS_SMP
  1895. bool
  1896. config NR_CPUS_DEFAULT_1
  1897. bool
  1898. config NR_CPUS_DEFAULT_2
  1899. bool
  1900. config NR_CPUS_DEFAULT_4
  1901. bool
  1902. config NR_CPUS_DEFAULT_8
  1903. bool
  1904. config NR_CPUS_DEFAULT_16
  1905. bool
  1906. config NR_CPUS_DEFAULT_32
  1907. bool
  1908. config NR_CPUS_DEFAULT_64
  1909. bool
  1910. config NR_CPUS
  1911. int "Maximum number of CPUs (2-64)"
  1912. range 1 64 if NR_CPUS_DEFAULT_1
  1913. depends on SMP
  1914. default "1" if NR_CPUS_DEFAULT_1
  1915. default "2" if NR_CPUS_DEFAULT_2
  1916. default "4" if NR_CPUS_DEFAULT_4
  1917. default "8" if NR_CPUS_DEFAULT_8
  1918. default "16" if NR_CPUS_DEFAULT_16
  1919. default "32" if NR_CPUS_DEFAULT_32
  1920. default "64" if NR_CPUS_DEFAULT_64
  1921. help
  1922. This allows you to specify the maximum number of CPUs which this
  1923. kernel will support. The maximum supported value is 32 for 32-bit
  1924. kernel and 64 for 64-bit kernels; the minimum value which makes
  1925. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1926. and 2 for all others.
  1927. This is purely to save memory - each supported CPU adds
  1928. approximately eight kilobytes to the kernel image. For best
  1929. performance should round up your number of processors to the next
  1930. power of two.
  1931. config MIPS_PERF_SHARED_TC_COUNTERS
  1932. bool
  1933. #
  1934. # Timer Interrupt Frequency Configuration
  1935. #
  1936. choice
  1937. prompt "Timer frequency"
  1938. default HZ_250
  1939. help
  1940. Allows the configuration of the timer frequency.
  1941. config HZ_48
  1942. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1943. config HZ_100
  1944. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1945. config HZ_128
  1946. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1947. config HZ_250
  1948. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1949. config HZ_256
  1950. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1951. config HZ_1000
  1952. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1953. config HZ_1024
  1954. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1955. endchoice
  1956. config SYS_SUPPORTS_48HZ
  1957. bool
  1958. config SYS_SUPPORTS_100HZ
  1959. bool
  1960. config SYS_SUPPORTS_128HZ
  1961. bool
  1962. config SYS_SUPPORTS_250HZ
  1963. bool
  1964. config SYS_SUPPORTS_256HZ
  1965. bool
  1966. config SYS_SUPPORTS_1000HZ
  1967. bool
  1968. config SYS_SUPPORTS_1024HZ
  1969. bool
  1970. config SYS_SUPPORTS_ARBIT_HZ
  1971. bool
  1972. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1973. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1974. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1975. !SYS_SUPPORTS_1024HZ
  1976. config HZ
  1977. int
  1978. default 48 if HZ_48
  1979. default 100 if HZ_100
  1980. default 128 if HZ_128
  1981. default 250 if HZ_250
  1982. default 256 if HZ_256
  1983. default 1000 if HZ_1000
  1984. default 1024 if HZ_1024
  1985. source "kernel/Kconfig.preempt"
  1986. config KEXEC
  1987. bool "Kexec system call (EXPERIMENTAL)"
  1988. depends on EXPERIMENTAL
  1989. help
  1990. kexec is a system call that implements the ability to shutdown your
  1991. current kernel, and to start another kernel. It is like a reboot
  1992. but it is independent of the system firmware. And like a reboot
  1993. you can start any kernel with it, not just Linux.
  1994. The name comes from the similarity to the exec system call.
  1995. It is an ongoing process to be certain the hardware in a machine
  1996. is properly shutdown, so do not be surprised if this code does not
  1997. initially work for you. It may help to enable device hotplugging
  1998. support. As of this writing the exact hardware interface is
  1999. strongly in flux, so no good recommendation can be made.
  2000. config CRASH_DUMP
  2001. bool "Kernel crash dumps"
  2002. help
  2003. Generate crash dump after being started by kexec.
  2004. This should be normally only set in special crash dump kernels
  2005. which are loaded in the main kernel with kexec-tools into
  2006. a specially reserved region and then later executed after
  2007. a crash by kdump/kexec. The crash dump kernel must be compiled
  2008. to a memory address not used by the main kernel or firmware using
  2009. PHYSICAL_START.
  2010. config PHYSICAL_START
  2011. hex "Physical address where the kernel is loaded"
  2012. default "0xffffffff84000000" if 64BIT
  2013. default "0x84000000" if 32BIT
  2014. depends on CRASH_DUMP
  2015. help
  2016. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2017. If you plan to use kernel for capturing the crash dump change
  2018. this value to start of the reserved region (the "X" value as
  2019. specified in the "crashkernel=YM@XM" command line boot parameter
  2020. passed to the panic-ed kernel).
  2021. config SECCOMP
  2022. bool "Enable seccomp to safely compute untrusted bytecode"
  2023. depends on PROC_FS
  2024. default y
  2025. help
  2026. This kernel feature is useful for number crunching applications
  2027. that may need to compute untrusted bytecode during their
  2028. execution. By using pipes or other transports made available to
  2029. the process as file descriptors supporting the read/write
  2030. syscalls, it's possible to isolate those applications in
  2031. their own address space using seccomp. Once seccomp is
  2032. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2033. and the task is only allowed to execute a few safe syscalls
  2034. defined by each seccomp mode.
  2035. If unsure, say Y. Only embedded should say N here.
  2036. config USE_OF
  2037. bool
  2038. select OF
  2039. select OF_EARLY_FLATTREE
  2040. select IRQ_DOMAIN
  2041. endmenu
  2042. config LOCKDEP_SUPPORT
  2043. bool
  2044. default y
  2045. config STACKTRACE_SUPPORT
  2046. bool
  2047. default y
  2048. source "init/Kconfig"
  2049. source "kernel/Kconfig.freezer"
  2050. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2051. config HW_HAS_EISA
  2052. bool
  2053. config HW_HAS_PCI
  2054. bool
  2055. config PCI
  2056. bool "Support for PCI controller"
  2057. depends on HW_HAS_PCI
  2058. select PCI_DOMAINS
  2059. select GENERIC_PCI_IOMAP
  2060. select NO_GENERIC_PCI_IOPORT_MAP
  2061. help
  2062. Find out whether you have a PCI motherboard. PCI is the name of a
  2063. bus system, i.e. the way the CPU talks to the other stuff inside
  2064. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2065. say Y, otherwise N.
  2066. config PCI_DOMAINS
  2067. bool
  2068. source "drivers/pci/Kconfig"
  2069. source "drivers/pci/pcie/Kconfig"
  2070. #
  2071. # ISA support is now enabled via select. Too many systems still have the one
  2072. # or other ISA chip on the board that users don't know about so don't expect
  2073. # users to choose the right thing ...
  2074. #
  2075. config ISA
  2076. bool
  2077. config EISA
  2078. bool "EISA support"
  2079. depends on HW_HAS_EISA
  2080. select ISA
  2081. select GENERIC_ISA_DMA
  2082. ---help---
  2083. The Extended Industry Standard Architecture (EISA) bus was
  2084. developed as an open alternative to the IBM MicroChannel bus.
  2085. The EISA bus provided some of the features of the IBM MicroChannel
  2086. bus while maintaining backward compatibility with cards made for
  2087. the older ISA bus. The EISA bus saw limited use between 1988 and
  2088. 1995 when it was made obsolete by the PCI bus.
  2089. Say Y here if you are building a kernel for an EISA-based machine.
  2090. Otherwise, say N.
  2091. source "drivers/eisa/Kconfig"
  2092. config TC
  2093. bool "TURBOchannel support"
  2094. depends on MACH_DECSTATION
  2095. help
  2096. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2097. processors. TURBOchannel programming specifications are available
  2098. at:
  2099. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2100. and:
  2101. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2102. Linux driver support status is documented at:
  2103. <http://www.linux-mips.org/wiki/DECstation>
  2104. config MMU
  2105. bool
  2106. default y
  2107. config I8253
  2108. bool
  2109. select CLKSRC_I8253
  2110. select CLKEVT_I8253
  2111. select MIPS_EXTERNAL_TIMER
  2112. config ZONE_DMA32
  2113. bool
  2114. source "drivers/pcmcia/Kconfig"
  2115. source "drivers/pci/hotplug/Kconfig"
  2116. config RAPIDIO
  2117. bool "RapidIO support"
  2118. depends on PCI
  2119. default n
  2120. help
  2121. If you say Y here, the kernel will include drivers and
  2122. infrastructure code to support RapidIO interconnect devices.
  2123. source "drivers/rapidio/Kconfig"
  2124. endmenu
  2125. menu "Executable file formats"
  2126. source "fs/Kconfig.binfmt"
  2127. config TRAD_SIGNALS
  2128. bool
  2129. config MIPS32_COMPAT
  2130. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2131. depends on 64BIT
  2132. help
  2133. Select this option if you want Linux/MIPS 32-bit binary
  2134. compatibility. Since all software available for Linux/MIPS is
  2135. currently 32-bit you should say Y here.
  2136. config COMPAT
  2137. bool
  2138. depends on MIPS32_COMPAT
  2139. select ARCH_WANT_OLD_COMPAT_IPC
  2140. default y
  2141. config SYSVIPC_COMPAT
  2142. bool
  2143. depends on COMPAT && SYSVIPC
  2144. default y
  2145. config MIPS32_O32
  2146. bool "Kernel support for o32 binaries"
  2147. depends on MIPS32_COMPAT
  2148. help
  2149. Select this option if you want to run o32 binaries. These are pure
  2150. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2151. existing binaries are in this format.
  2152. If unsure, say Y.
  2153. config MIPS32_N32
  2154. bool "Kernel support for n32 binaries"
  2155. depends on MIPS32_COMPAT
  2156. help
  2157. Select this option if you want to run n32 binaries. These are
  2158. 64-bit binaries using 32-bit quantities for addressing and certain
  2159. data that would normally be 64-bit. They are used in special
  2160. cases.
  2161. If unsure, say N.
  2162. config BINFMT_ELF32
  2163. bool
  2164. default y if MIPS32_O32 || MIPS32_N32
  2165. endmenu
  2166. menu "Power management options"
  2167. config ARCH_HIBERNATION_POSSIBLE
  2168. def_bool y
  2169. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2170. config ARCH_SUSPEND_POSSIBLE
  2171. def_bool y
  2172. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2173. source "kernel/power/Kconfig"
  2174. endmenu
  2175. source "arch/mips/kernel/cpufreq/Kconfig"
  2176. source "net/Kconfig"
  2177. source "drivers/Kconfig"
  2178. source "drivers/firmware/Kconfig"
  2179. source "fs/Kconfig"
  2180. source "arch/mips/Kconfig.debug"
  2181. source "security/Kconfig"
  2182. source "crypto/Kconfig"
  2183. source "lib/Kconfig"