Kconfig 62 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_CONTEXT_TRACKING
  5. select HAVE_GENERIC_DMA_COHERENT
  6. select HAVE_IDE
  7. select HAVE_OPROFILE
  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 if CPU_SUPPORTS_HUGEPAGES && 64BIT
  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 VIRT_TO_BUS
  43. select MODULES_USE_ELF_REL if MODULES
  44. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  45. select CLONE_BACKWARDS
  46. menu "Machine selection"
  47. config ZONE_DMA
  48. bool
  49. choice
  50. prompt "System type"
  51. default SGI_IP22
  52. config MIPS_ALCHEMY
  53. bool "Alchemy processor based machines"
  54. select 64BIT_PHYS_ADDR
  55. select CEVT_R4K
  56. select CSRC_R4K
  57. select IRQ_CPU
  58. select SYS_HAS_CPU_MIPS32_R1
  59. select SYS_SUPPORTS_32BIT_KERNEL
  60. select SYS_SUPPORTS_APM_EMULATION
  61. select ARCH_REQUIRE_GPIOLIB
  62. select SYS_SUPPORTS_ZBOOT
  63. select USB_ARCH_HAS_OHCI
  64. select USB_ARCH_HAS_EHCI
  65. config AR7
  66. bool "Texas Instruments AR7"
  67. select BOOT_ELF32
  68. select DMA_NONCOHERENT
  69. select CEVT_R4K
  70. select CSRC_R4K
  71. select IRQ_CPU
  72. select NO_EXCEPT_FILL
  73. select SWAP_IO_SPACE
  74. select SYS_HAS_CPU_MIPS32_R1
  75. select SYS_HAS_EARLY_PRINTK
  76. select SYS_SUPPORTS_32BIT_KERNEL
  77. select SYS_SUPPORTS_LITTLE_ENDIAN
  78. select SYS_SUPPORTS_ZBOOT_UART16550
  79. select ARCH_REQUIRE_GPIOLIB
  80. select VLYNQ
  81. select HAVE_CLK
  82. help
  83. Support for the Texas Instruments AR7 System-on-a-Chip
  84. family: TNETD7100, 7200 and 7300.
  85. config ATH79
  86. bool "Atheros AR71XX/AR724X/AR913X based boards"
  87. select ARCH_REQUIRE_GPIOLIB
  88. select BOOT_RAW
  89. select CEVT_R4K
  90. select CSRC_R4K
  91. select DMA_NONCOHERENT
  92. select HAVE_CLK
  93. select IRQ_CPU
  94. select MIPS_MACHINE
  95. select SYS_HAS_CPU_MIPS32_R2
  96. select SYS_HAS_EARLY_PRINTK
  97. select SYS_SUPPORTS_32BIT_KERNEL
  98. select SYS_SUPPORTS_BIG_ENDIAN
  99. help
  100. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  101. config BCM47XX
  102. bool "Broadcom BCM47XX based boards"
  103. select ARCH_WANT_OPTIONAL_GPIOLIB
  104. select BOOT_RAW
  105. select CEVT_R4K
  106. select CSRC_R4K
  107. select DMA_NONCOHERENT
  108. select FW_CFE
  109. select HW_HAS_PCI
  110. select IRQ_CPU
  111. select NO_EXCEPT_FILL
  112. select SYS_SUPPORTS_32BIT_KERNEL
  113. select SYS_SUPPORTS_LITTLE_ENDIAN
  114. select SYS_HAS_EARLY_PRINTK
  115. help
  116. Support for BCM47XX based boards
  117. config BCM63XX
  118. bool "Broadcom BCM63XX based boards"
  119. select CEVT_R4K
  120. select CSRC_R4K
  121. select DMA_NONCOHERENT
  122. select IRQ_CPU
  123. select SYS_HAS_CPU_MIPS32_R1
  124. select SYS_SUPPORTS_32BIT_KERNEL
  125. select SYS_SUPPORTS_BIG_ENDIAN
  126. select SYS_HAS_EARLY_PRINTK
  127. select SWAP_IO_SPACE
  128. select ARCH_REQUIRE_GPIOLIB
  129. select HAVE_CLK
  130. help
  131. Support for BCM63XX based boards
  132. config MIPS_COBALT
  133. bool "Cobalt Server"
  134. select CEVT_R4K
  135. select CSRC_R4K
  136. select CEVT_GT641XX
  137. select DMA_NONCOHERENT
  138. select HW_HAS_PCI
  139. select I8253
  140. select I8259
  141. select IRQ_CPU
  142. select IRQ_GT641XX
  143. select PCI_GT64XXX_PCI0
  144. select PCI
  145. select SYS_HAS_CPU_NEVADA
  146. select SYS_HAS_EARLY_PRINTK
  147. select SYS_SUPPORTS_32BIT_KERNEL
  148. select SYS_SUPPORTS_64BIT_KERNEL
  149. select SYS_SUPPORTS_LITTLE_ENDIAN
  150. config MACH_DECSTATION
  151. bool "DECstations"
  152. select BOOT_ELF32
  153. select CEVT_DS1287
  154. select CEVT_R4K
  155. select CSRC_IOASIC
  156. select CSRC_R4K
  157. select CPU_DADDI_WORKAROUNDS if 64BIT
  158. select CPU_R4000_WORKAROUNDS if 64BIT
  159. select CPU_R4400_WORKAROUNDS if 64BIT
  160. select DMA_NONCOHERENT
  161. select NO_IOPORT
  162. select IRQ_CPU
  163. select SYS_HAS_CPU_R3000
  164. select SYS_HAS_CPU_R4X00
  165. select SYS_SUPPORTS_32BIT_KERNEL
  166. select SYS_SUPPORTS_64BIT_KERNEL
  167. select SYS_SUPPORTS_LITTLE_ENDIAN
  168. select SYS_SUPPORTS_128HZ
  169. select SYS_SUPPORTS_256HZ
  170. select SYS_SUPPORTS_1024HZ
  171. help
  172. This enables support for DEC's MIPS based workstations. For details
  173. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  174. DECstation porting pages on <http://decstation.unix-ag.org/>.
  175. If you have one of the following DECstation Models you definitely
  176. want to choose R4xx0 for the CPU Type:
  177. DECstation 5000/50
  178. DECstation 5000/150
  179. DECstation 5000/260
  180. DECsystem 5900/260
  181. otherwise choose R3000.
  182. config MACH_JAZZ
  183. bool "Jazz family of machines"
  184. select FW_ARC
  185. select FW_ARC32
  186. select ARCH_MAY_HAVE_PC_FDC
  187. select CEVT_R4K
  188. select CSRC_R4K
  189. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  190. select GENERIC_ISA_DMA
  191. select HAVE_PCSPKR_PLATFORM
  192. select IRQ_CPU
  193. select I8253
  194. select I8259
  195. select ISA
  196. select SYS_HAS_CPU_R4X00
  197. select SYS_SUPPORTS_32BIT_KERNEL
  198. select SYS_SUPPORTS_64BIT_KERNEL
  199. select SYS_SUPPORTS_100HZ
  200. help
  201. This a family of machines based on the MIPS R4030 chipset which was
  202. used by several vendors to build RISC/os and Windows NT workstations.
  203. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  204. Olivetti M700-10 workstations.
  205. config MACH_JZ4740
  206. bool "Ingenic JZ4740 based machines"
  207. select SYS_HAS_CPU_MIPS32_R1
  208. select SYS_SUPPORTS_32BIT_KERNEL
  209. select SYS_SUPPORTS_LITTLE_ENDIAN
  210. select SYS_SUPPORTS_ZBOOT_UART16550
  211. select DMA_NONCOHERENT
  212. select IRQ_CPU
  213. select ARCH_REQUIRE_GPIOLIB
  214. select SYS_HAS_EARLY_PRINTK
  215. select HAVE_PWM
  216. select HAVE_CLK
  217. select GENERIC_IRQ_CHIP
  218. config LANTIQ
  219. bool "Lantiq based platforms"
  220. select DMA_NONCOHERENT
  221. select IRQ_CPU
  222. select CEVT_R4K
  223. select CSRC_R4K
  224. select SYS_HAS_CPU_MIPS32_R1
  225. select SYS_HAS_CPU_MIPS32_R2
  226. select SYS_SUPPORTS_BIG_ENDIAN
  227. select SYS_SUPPORTS_32BIT_KERNEL
  228. select SYS_SUPPORTS_MULTITHREADING
  229. select SYS_HAS_EARLY_PRINTK
  230. select ARCH_REQUIRE_GPIOLIB
  231. select SWAP_IO_SPACE
  232. select BOOT_RAW
  233. select HAVE_MACH_CLKDEV
  234. select CLKDEV_LOOKUP
  235. select USE_OF
  236. select PINCTRL
  237. select PINCTRL_LANTIQ
  238. config LASAT
  239. bool "LASAT Networks platforms"
  240. select CEVT_R4K
  241. select CSRC_R4K
  242. select DMA_NONCOHERENT
  243. select SYS_HAS_EARLY_PRINTK
  244. select HW_HAS_PCI
  245. select IRQ_CPU
  246. select PCI_GT64XXX_PCI0
  247. select MIPS_NILE4
  248. select R5000_CPU_SCACHE
  249. select SYS_HAS_CPU_R5000
  250. select SYS_SUPPORTS_32BIT_KERNEL
  251. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  252. select SYS_SUPPORTS_LITTLE_ENDIAN
  253. config MACH_LOONGSON
  254. bool "Loongson family of machines"
  255. select SYS_SUPPORTS_ZBOOT
  256. help
  257. This enables the support of Loongson family of machines.
  258. Loongson is a family of general-purpose MIPS-compatible CPUs.
  259. developed at Institute of Computing Technology (ICT),
  260. Chinese Academy of Sciences (CAS) in the People's Republic
  261. of China. The chief architect is Professor Weiwu Hu.
  262. config MACH_LOONGSON1
  263. bool "Loongson 1 family of machines"
  264. select SYS_SUPPORTS_ZBOOT
  265. help
  266. This enables support for the Loongson 1 based machines.
  267. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  268. the ICT (Institute of Computing Technology) and the Chinese Academy
  269. of Sciences.
  270. config MIPS_MALTA
  271. bool "MIPS Malta board"
  272. select ARCH_MAY_HAVE_PC_FDC
  273. select BOOT_ELF32
  274. select BOOT_RAW
  275. select CEVT_R4K
  276. select CSRC_R4K
  277. select CSRC_GIC
  278. select DMA_NONCOHERENT
  279. select GENERIC_ISA_DMA
  280. select HAVE_PCSPKR_PLATFORM
  281. select IRQ_CPU
  282. select IRQ_GIC
  283. select HW_HAS_PCI
  284. select I8253
  285. select I8259
  286. select MIPS_BONITO64
  287. select MIPS_CPU_SCACHE
  288. select PCI_GT64XXX_PCI0
  289. select MIPS_MSC
  290. select SWAP_IO_SPACE
  291. select SYS_HAS_CPU_MIPS32_R1
  292. select SYS_HAS_CPU_MIPS32_R2
  293. select SYS_HAS_CPU_MIPS64_R1
  294. select SYS_HAS_CPU_MIPS64_R2
  295. select SYS_HAS_CPU_NEVADA
  296. select SYS_HAS_CPU_RM7000
  297. select SYS_HAS_EARLY_PRINTK
  298. select SYS_SUPPORTS_32BIT_KERNEL
  299. select SYS_SUPPORTS_64BIT_KERNEL
  300. select SYS_SUPPORTS_BIG_ENDIAN
  301. select SYS_SUPPORTS_LITTLE_ENDIAN
  302. select SYS_SUPPORTS_MIPS_CMP
  303. select SYS_SUPPORTS_MULTITHREADING
  304. select SYS_SUPPORTS_SMARTMIPS
  305. select SYS_SUPPORTS_ZBOOT
  306. help
  307. This enables support for the MIPS Technologies Malta evaluation
  308. board.
  309. config MIPS_SEAD3
  310. bool "MIPS SEAD3 board"
  311. select BOOT_ELF32
  312. select BOOT_RAW
  313. select CEVT_R4K
  314. select CSRC_R4K
  315. select CSRC_GIC
  316. select CPU_MIPSR2_IRQ_VI
  317. select CPU_MIPSR2_IRQ_EI
  318. select DMA_NONCOHERENT
  319. select IRQ_CPU
  320. select IRQ_GIC
  321. select MIPS_CPU_SCACHE
  322. select MIPS_MSC
  323. select SYS_HAS_CPU_MIPS32_R1
  324. select SYS_HAS_CPU_MIPS32_R2
  325. select SYS_HAS_CPU_MIPS64_R1
  326. select SYS_HAS_EARLY_PRINTK
  327. select SYS_SUPPORTS_32BIT_KERNEL
  328. select SYS_SUPPORTS_64BIT_KERNEL
  329. select SYS_SUPPORTS_BIG_ENDIAN
  330. select SYS_SUPPORTS_LITTLE_ENDIAN
  331. select SYS_SUPPORTS_SMARTMIPS
  332. select SYS_SUPPORTS_MICROMIPS
  333. select USB_ARCH_HAS_EHCI
  334. select USB_EHCI_BIG_ENDIAN_DESC
  335. select USB_EHCI_BIG_ENDIAN_MMIO
  336. select USE_OF
  337. help
  338. This enables support for the MIPS Technologies SEAD3 evaluation
  339. board.
  340. config NEC_MARKEINS
  341. bool "NEC EMMA2RH Mark-eins board"
  342. select SOC_EMMA2RH
  343. select HW_HAS_PCI
  344. help
  345. This enables support for the NEC Electronics Mark-eins boards.
  346. config MACH_VR41XX
  347. bool "NEC VR4100 series based machines"
  348. select CEVT_R4K
  349. select CSRC_R4K
  350. select SYS_HAS_CPU_VR41XX
  351. select ARCH_REQUIRE_GPIOLIB
  352. config NXP_STB220
  353. bool "NXP STB220 board"
  354. select SOC_PNX833X
  355. help
  356. Support for NXP Semiconductors STB220 Development Board.
  357. config NXP_STB225
  358. bool "NXP 225 board"
  359. select SOC_PNX833X
  360. select SOC_PNX8335
  361. help
  362. Support for NXP Semiconductors STB225 Development Board.
  363. config PMC_MSP
  364. bool "PMC-Sierra MSP chipsets"
  365. select CEVT_R4K
  366. select CSRC_R4K
  367. select DMA_NONCOHERENT
  368. select SWAP_IO_SPACE
  369. select NO_EXCEPT_FILL
  370. select BOOT_RAW
  371. select SYS_HAS_CPU_MIPS32_R1
  372. select SYS_HAS_CPU_MIPS32_R2
  373. select SYS_SUPPORTS_32BIT_KERNEL
  374. select SYS_SUPPORTS_BIG_ENDIAN
  375. select IRQ_CPU
  376. select SERIAL_8250
  377. select SERIAL_8250_CONSOLE
  378. select USB_EHCI_BIG_ENDIAN_MMIO
  379. select USB_EHCI_BIG_ENDIAN_DESC
  380. help
  381. This adds support for the PMC-Sierra family of Multi-Service
  382. Processor System-On-A-Chips. These parts include a number
  383. of integrated peripherals, interfaces and DSPs in addition to
  384. a variety of MIPS cores.
  385. config POWERTV
  386. bool "Cisco PowerTV"
  387. select BOOT_ELF32
  388. select CEVT_R4K
  389. select CPU_MIPSR2_IRQ_VI
  390. select CPU_MIPSR2_IRQ_EI
  391. select CSRC_POWERTV
  392. select DMA_NONCOHERENT
  393. select HW_HAS_PCI
  394. select SYS_HAS_EARLY_PRINTK
  395. select SYS_HAS_CPU_MIPS32_R2
  396. select SYS_SUPPORTS_32BIT_KERNEL
  397. select SYS_SUPPORTS_BIG_ENDIAN
  398. select SYS_SUPPORTS_HIGHMEM
  399. select USB_OHCI_LITTLE_ENDIAN
  400. help
  401. This enables support for the Cisco PowerTV Platform.
  402. config RALINK
  403. bool "Ralink based machines"
  404. select CEVT_R4K
  405. select CSRC_R4K
  406. select BOOT_RAW
  407. select DMA_NONCOHERENT
  408. select IRQ_CPU
  409. select USE_OF
  410. select SYS_HAS_CPU_MIPS32_R1
  411. select SYS_HAS_CPU_MIPS32_R2
  412. select SYS_SUPPORTS_32BIT_KERNEL
  413. select SYS_SUPPORTS_LITTLE_ENDIAN
  414. select SYS_HAS_EARLY_PRINTK
  415. select HAVE_MACH_CLKDEV
  416. select CLKDEV_LOOKUP
  417. config SGI_IP22
  418. bool "SGI IP22 (Indy/Indigo2)"
  419. select FW_ARC
  420. select FW_ARC32
  421. select BOOT_ELF32
  422. select CEVT_R4K
  423. select CSRC_R4K
  424. select DEFAULT_SGI_PARTITION
  425. select DMA_NONCOHERENT
  426. select HW_HAS_EISA
  427. select I8253
  428. select I8259
  429. select IP22_CPU_SCACHE
  430. select IRQ_CPU
  431. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  432. select SGI_HAS_I8042
  433. select SGI_HAS_INDYDOG
  434. select SGI_HAS_HAL2
  435. select SGI_HAS_SEEQ
  436. select SGI_HAS_WD93
  437. select SGI_HAS_ZILOG
  438. select SWAP_IO_SPACE
  439. select SYS_HAS_CPU_R4X00
  440. select SYS_HAS_CPU_R5000
  441. #
  442. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  443. # memory during early boot on some machines.
  444. #
  445. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  446. # for a more details discussion
  447. #
  448. # select SYS_HAS_EARLY_PRINTK
  449. select SYS_SUPPORTS_32BIT_KERNEL
  450. select SYS_SUPPORTS_64BIT_KERNEL
  451. select SYS_SUPPORTS_BIG_ENDIAN
  452. help
  453. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  454. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  455. that runs on these, say Y here.
  456. config SGI_IP27
  457. bool "SGI IP27 (Origin200/2000)"
  458. select FW_ARC
  459. select FW_ARC64
  460. select BOOT_ELF64
  461. select DEFAULT_SGI_PARTITION
  462. select DMA_COHERENT
  463. select SYS_HAS_EARLY_PRINTK
  464. select HW_HAS_PCI
  465. select NR_CPUS_DEFAULT_64
  466. select SYS_HAS_CPU_R10000
  467. select SYS_SUPPORTS_64BIT_KERNEL
  468. select SYS_SUPPORTS_BIG_ENDIAN
  469. select SYS_SUPPORTS_NUMA
  470. select SYS_SUPPORTS_SMP
  471. help
  472. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  473. workstations. To compile a Linux kernel that runs on these, say Y
  474. here.
  475. config SGI_IP28
  476. bool "SGI IP28 (Indigo2 R10k)"
  477. select FW_ARC
  478. select FW_ARC64
  479. select BOOT_ELF64
  480. select CEVT_R4K
  481. select CSRC_R4K
  482. select DEFAULT_SGI_PARTITION
  483. select DMA_NONCOHERENT
  484. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  485. select IRQ_CPU
  486. select HW_HAS_EISA
  487. select I8253
  488. select I8259
  489. select SGI_HAS_I8042
  490. select SGI_HAS_INDYDOG
  491. select SGI_HAS_HAL2
  492. select SGI_HAS_SEEQ
  493. select SGI_HAS_WD93
  494. select SGI_HAS_ZILOG
  495. select SWAP_IO_SPACE
  496. select SYS_HAS_CPU_R10000
  497. #
  498. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  499. # memory during early boot on some machines.
  500. #
  501. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  502. # for a more details discussion
  503. #
  504. # select SYS_HAS_EARLY_PRINTK
  505. select SYS_SUPPORTS_64BIT_KERNEL
  506. select SYS_SUPPORTS_BIG_ENDIAN
  507. help
  508. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  509. kernel that runs on these, say Y here.
  510. config SGI_IP32
  511. bool "SGI IP32 (O2)"
  512. select FW_ARC
  513. select FW_ARC32
  514. select BOOT_ELF32
  515. select CEVT_R4K
  516. select CSRC_R4K
  517. select DMA_NONCOHERENT
  518. select HW_HAS_PCI
  519. select IRQ_CPU
  520. select R5000_CPU_SCACHE
  521. select RM7000_CPU_SCACHE
  522. select SYS_HAS_CPU_R5000
  523. select SYS_HAS_CPU_R10000 if BROKEN
  524. select SYS_HAS_CPU_RM7000
  525. select SYS_HAS_CPU_NEVADA
  526. select SYS_SUPPORTS_64BIT_KERNEL
  527. select SYS_SUPPORTS_BIG_ENDIAN
  528. help
  529. If you want this kernel to run on SGI O2 workstation, say Y here.
  530. config SIBYTE_CRHINE
  531. bool "Sibyte BCM91120C-CRhine"
  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_CARMEL
  540. bool "Sibyte BCM91120x-Carmel"
  541. select BOOT_ELF32
  542. select DMA_COHERENT
  543. select SIBYTE_BCM1120
  544. select SWAP_IO_SPACE
  545. select SYS_HAS_CPU_SB1
  546. select SYS_SUPPORTS_BIG_ENDIAN
  547. select SYS_SUPPORTS_LITTLE_ENDIAN
  548. config SIBYTE_CRHONE
  549. bool "Sibyte BCM91125C-CRhone"
  550. select BOOT_ELF32
  551. select DMA_COHERENT
  552. select SIBYTE_BCM1125
  553. select SWAP_IO_SPACE
  554. select SYS_HAS_CPU_SB1
  555. select SYS_SUPPORTS_BIG_ENDIAN
  556. select SYS_SUPPORTS_HIGHMEM
  557. select SYS_SUPPORTS_LITTLE_ENDIAN
  558. config SIBYTE_RHONE
  559. bool "Sibyte BCM91125E-Rhone"
  560. select BOOT_ELF32
  561. select DMA_COHERENT
  562. select SIBYTE_BCM1125H
  563. select SWAP_IO_SPACE
  564. select SYS_HAS_CPU_SB1
  565. select SYS_SUPPORTS_BIG_ENDIAN
  566. select SYS_SUPPORTS_LITTLE_ENDIAN
  567. config SIBYTE_SWARM
  568. bool "Sibyte BCM91250A-SWARM"
  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. select ZONE_DMA32 if 64BIT
  580. config SIBYTE_LITTLESUR
  581. bool "Sibyte BCM91250C2-LittleSur"
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select HAVE_PATA_PLATFORM
  585. select NR_CPUS_DEFAULT_2
  586. select SIBYTE_SB1250
  587. select SWAP_IO_SPACE
  588. select SYS_HAS_CPU_SB1
  589. select SYS_SUPPORTS_BIG_ENDIAN
  590. select SYS_SUPPORTS_HIGHMEM
  591. select SYS_SUPPORTS_LITTLE_ENDIAN
  592. config SIBYTE_SENTOSA
  593. bool "Sibyte BCM91250E-Sentosa"
  594. select BOOT_ELF32
  595. select DMA_COHERENT
  596. select NR_CPUS_DEFAULT_2
  597. select SIBYTE_SB1250
  598. select SWAP_IO_SPACE
  599. select SYS_HAS_CPU_SB1
  600. select SYS_SUPPORTS_BIG_ENDIAN
  601. select SYS_SUPPORTS_LITTLE_ENDIAN
  602. config SIBYTE_BIGSUR
  603. bool "Sibyte BCM91480B-BigSur"
  604. select BOOT_ELF32
  605. select DMA_COHERENT
  606. select NR_CPUS_DEFAULT_4
  607. select SIBYTE_BCM1x80
  608. select SWAP_IO_SPACE
  609. select SYS_HAS_CPU_SB1
  610. select SYS_SUPPORTS_BIG_ENDIAN
  611. select SYS_SUPPORTS_HIGHMEM
  612. select SYS_SUPPORTS_LITTLE_ENDIAN
  613. select ZONE_DMA32 if 64BIT
  614. config SNI_RM
  615. bool "SNI RM200/300/400"
  616. select FW_ARC if CPU_LITTLE_ENDIAN
  617. select FW_ARC32 if CPU_LITTLE_ENDIAN
  618. select FW_SNIPROM if CPU_BIG_ENDIAN
  619. select ARCH_MAY_HAVE_PC_FDC
  620. select BOOT_ELF32
  621. select CEVT_R4K
  622. select CSRC_R4K
  623. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  624. select DMA_NONCOHERENT
  625. select GENERIC_ISA_DMA
  626. select HAVE_PCSPKR_PLATFORM
  627. select HW_HAS_EISA
  628. select HW_HAS_PCI
  629. select IRQ_CPU
  630. select I8253
  631. select I8259
  632. select ISA
  633. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  634. select SYS_HAS_CPU_R4X00
  635. select SYS_HAS_CPU_R5000
  636. select SYS_HAS_CPU_R10000
  637. select R5000_CPU_SCACHE
  638. select SYS_HAS_EARLY_PRINTK
  639. select SYS_SUPPORTS_32BIT_KERNEL
  640. select SYS_SUPPORTS_64BIT_KERNEL
  641. select SYS_SUPPORTS_BIG_ENDIAN
  642. select SYS_SUPPORTS_HIGHMEM
  643. select SYS_SUPPORTS_LITTLE_ENDIAN
  644. help
  645. The SNI RM200/300/400 are MIPS-based machines manufactured by
  646. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  647. Technology and now in turn merged with Fujitsu. Say Y here to
  648. support this machine type.
  649. config MACH_TX39XX
  650. bool "Toshiba TX39 series based machines"
  651. config MACH_TX49XX
  652. bool "Toshiba TX49 series based machines"
  653. config MIKROTIK_RB532
  654. bool "Mikrotik RB532 boards"
  655. select CEVT_R4K
  656. select CSRC_R4K
  657. select DMA_NONCOHERENT
  658. select HW_HAS_PCI
  659. select IRQ_CPU
  660. select SYS_HAS_CPU_MIPS32_R1
  661. select SYS_SUPPORTS_32BIT_KERNEL
  662. select SYS_SUPPORTS_LITTLE_ENDIAN
  663. select SWAP_IO_SPACE
  664. select BOOT_RAW
  665. select ARCH_REQUIRE_GPIOLIB
  666. help
  667. Support the Mikrotik(tm) RouterBoard 532 series,
  668. based on the IDT RC32434 SoC.
  669. config WR_PPMC
  670. bool "Wind River PPMC board"
  671. select CEVT_R4K
  672. select CSRC_R4K
  673. select IRQ_CPU
  674. select BOOT_ELF32
  675. select DMA_NONCOHERENT
  676. select HW_HAS_PCI
  677. select PCI_GT64XXX_PCI0
  678. select SWAP_IO_SPACE
  679. select SYS_HAS_CPU_MIPS32_R1
  680. select SYS_HAS_CPU_MIPS32_R2
  681. select SYS_HAS_CPU_MIPS64_R1
  682. select SYS_HAS_CPU_NEVADA
  683. select SYS_HAS_CPU_RM7000
  684. select SYS_SUPPORTS_32BIT_KERNEL
  685. select SYS_SUPPORTS_64BIT_KERNEL
  686. select SYS_SUPPORTS_BIG_ENDIAN
  687. select SYS_SUPPORTS_LITTLE_ENDIAN
  688. help
  689. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  690. board, which is based on GT64120 bridge chip.
  691. config CAVIUM_OCTEON_SOC
  692. bool "Cavium Networks Octeon SoC based boards"
  693. select CEVT_R4K
  694. select 64BIT_PHYS_ADDR
  695. select DMA_COHERENT
  696. select SYS_SUPPORTS_64BIT_KERNEL
  697. select SYS_SUPPORTS_BIG_ENDIAN
  698. select EDAC_SUPPORT
  699. select SYS_SUPPORTS_HOTPLUG_CPU
  700. select SYS_HAS_EARLY_PRINTK
  701. select SYS_HAS_CPU_CAVIUM_OCTEON
  702. select SWAP_IO_SPACE
  703. select HW_HAS_PCI
  704. select ARCH_SUPPORTS_MSI
  705. select ZONE_DMA32
  706. select USB_ARCH_HAS_OHCI
  707. select USB_ARCH_HAS_EHCI
  708. select HOLES_IN_ZONE
  709. help
  710. This option supports all of the Octeon reference boards from Cavium
  711. Networks. It builds a kernel that dynamically determines the Octeon
  712. CPU type and supports all known board reference implementations.
  713. Some of the supported boards are:
  714. EBT3000
  715. EBH3000
  716. EBH3100
  717. Thunder
  718. Kodama
  719. Hikari
  720. Say Y here for most Octeon reference boards.
  721. config NLM_XLR_BOARD
  722. bool "Netlogic XLR/XLS based systems"
  723. select BOOT_ELF32
  724. select NLM_COMMON
  725. select SYS_HAS_CPU_XLR
  726. select SYS_SUPPORTS_SMP
  727. select HW_HAS_PCI
  728. select SWAP_IO_SPACE
  729. select SYS_SUPPORTS_32BIT_KERNEL
  730. select SYS_SUPPORTS_64BIT_KERNEL
  731. select 64BIT_PHYS_ADDR
  732. select SYS_SUPPORTS_BIG_ENDIAN
  733. select SYS_SUPPORTS_HIGHMEM
  734. select DMA_COHERENT
  735. select NR_CPUS_DEFAULT_32
  736. select CEVT_R4K
  737. select CSRC_R4K
  738. select IRQ_CPU
  739. select ARCH_SUPPORTS_MSI
  740. select ZONE_DMA32 if 64BIT
  741. select SYNC_R4K
  742. select SYS_HAS_EARLY_PRINTK
  743. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  744. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  745. help
  746. Support for systems based on Netlogic XLR and XLS processors.
  747. Say Y here if you have a XLR or XLS based board.
  748. config NLM_XLP_BOARD
  749. bool "Netlogic XLP based systems"
  750. select BOOT_ELF32
  751. select NLM_COMMON
  752. select SYS_HAS_CPU_XLP
  753. select SYS_SUPPORTS_SMP
  754. select HW_HAS_PCI
  755. select SYS_SUPPORTS_32BIT_KERNEL
  756. select SYS_SUPPORTS_64BIT_KERNEL
  757. select 64BIT_PHYS_ADDR
  758. select SYS_SUPPORTS_BIG_ENDIAN
  759. select SYS_SUPPORTS_LITTLE_ENDIAN
  760. select SYS_SUPPORTS_HIGHMEM
  761. select DMA_COHERENT
  762. select NR_CPUS_DEFAULT_32
  763. select CEVT_R4K
  764. select CSRC_R4K
  765. select IRQ_CPU
  766. select ZONE_DMA32 if 64BIT
  767. select SYNC_R4K
  768. select SYS_HAS_EARLY_PRINTK
  769. select USE_OF
  770. help
  771. This board is based on Netlogic XLP Processor.
  772. Say Y here if you have a XLP based board.
  773. endchoice
  774. source "arch/mips/alchemy/Kconfig"
  775. source "arch/mips/ath79/Kconfig"
  776. source "arch/mips/bcm47xx/Kconfig"
  777. source "arch/mips/bcm63xx/Kconfig"
  778. source "arch/mips/jazz/Kconfig"
  779. source "arch/mips/jz4740/Kconfig"
  780. source "arch/mips/lantiq/Kconfig"
  781. source "arch/mips/lasat/Kconfig"
  782. source "arch/mips/pmcs-msp71xx/Kconfig"
  783. source "arch/mips/powertv/Kconfig"
  784. source "arch/mips/ralink/Kconfig"
  785. source "arch/mips/sgi-ip27/Kconfig"
  786. source "arch/mips/sibyte/Kconfig"
  787. source "arch/mips/txx9/Kconfig"
  788. source "arch/mips/vr41xx/Kconfig"
  789. source "arch/mips/cavium-octeon/Kconfig"
  790. source "arch/mips/loongson/Kconfig"
  791. source "arch/mips/loongson1/Kconfig"
  792. source "arch/mips/netlogic/Kconfig"
  793. endmenu
  794. config RWSEM_GENERIC_SPINLOCK
  795. bool
  796. default y
  797. config RWSEM_XCHGADD_ALGORITHM
  798. bool
  799. config ARCH_HAS_ILOG2_U32
  800. bool
  801. default n
  802. config ARCH_HAS_ILOG2_U64
  803. bool
  804. default n
  805. config GENERIC_HWEIGHT
  806. bool
  807. default y
  808. config GENERIC_CALIBRATE_DELAY
  809. bool
  810. default y
  811. config SCHED_OMIT_FRAME_POINTER
  812. bool
  813. default y
  814. #
  815. # Select some configuration options automatically based on user selections.
  816. #
  817. config FW_ARC
  818. bool
  819. config ARCH_MAY_HAVE_PC_FDC
  820. bool
  821. config BOOT_RAW
  822. bool
  823. config CEVT_BCM1480
  824. bool
  825. config CEVT_DS1287
  826. bool
  827. config CEVT_GT641XX
  828. bool
  829. config CEVT_R4K
  830. bool
  831. config CEVT_GIC
  832. bool
  833. config CEVT_SB1250
  834. bool
  835. config CEVT_TXX9
  836. bool
  837. config CSRC_BCM1480
  838. bool
  839. config CSRC_IOASIC
  840. bool
  841. config CSRC_POWERTV
  842. bool
  843. config CSRC_R4K
  844. bool
  845. config CSRC_GIC
  846. bool
  847. config CSRC_SB1250
  848. bool
  849. config GPIO_TXX9
  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 SYNC_R4K
  885. bool
  886. config MIPS_MACHINE
  887. def_bool n
  888. config NO_IOPORT
  889. def_bool n
  890. config GENERIC_ISA_DMA
  891. bool
  892. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  893. select ISA_DMA_API
  894. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  895. bool
  896. select GENERIC_ISA_DMA
  897. config ISA_DMA_API
  898. bool
  899. config HOLES_IN_ZONE
  900. bool
  901. #
  902. # Endianness selection. Sufficiently obscure so many users don't know what to
  903. # answer,so we try hard to limit the available choices. Also the use of a
  904. # choice statement should be more obvious to the user.
  905. #
  906. choice
  907. prompt "Endianness selection"
  908. help
  909. Some MIPS machines can be configured for either little or big endian
  910. byte order. These modes require different kernels and a different
  911. Linux distribution. In general there is one preferred byteorder for a
  912. particular system but some systems are just as commonly used in the
  913. one or the other endianness.
  914. config CPU_BIG_ENDIAN
  915. bool "Big endian"
  916. depends on SYS_SUPPORTS_BIG_ENDIAN
  917. config CPU_LITTLE_ENDIAN
  918. bool "Little endian"
  919. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  920. help
  921. endchoice
  922. config EXPORT_UASM
  923. bool
  924. config SYS_SUPPORTS_APM_EMULATION
  925. bool
  926. config SYS_SUPPORTS_BIG_ENDIAN
  927. bool
  928. config SYS_SUPPORTS_LITTLE_ENDIAN
  929. bool
  930. config SYS_SUPPORTS_HUGETLBFS
  931. bool
  932. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  933. default y
  934. config MIPS_HUGE_TLB_SUPPORT
  935. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  936. config IRQ_CPU
  937. bool
  938. config IRQ_CPU_RM7K
  939. bool
  940. config IRQ_MSP_SLP
  941. bool
  942. config IRQ_MSP_CIC
  943. bool
  944. config IRQ_TXX9
  945. bool
  946. config IRQ_GT641XX
  947. bool
  948. config IRQ_GIC
  949. bool
  950. config PCI_GT64XXX_PCI0
  951. bool
  952. config NO_EXCEPT_FILL
  953. bool
  954. config SOC_EMMA2RH
  955. bool
  956. select CEVT_R4K
  957. select CSRC_R4K
  958. select DMA_NONCOHERENT
  959. select IRQ_CPU
  960. select SWAP_IO_SPACE
  961. select SYS_HAS_CPU_R5500
  962. select SYS_SUPPORTS_32BIT_KERNEL
  963. select SYS_SUPPORTS_64BIT_KERNEL
  964. select SYS_SUPPORTS_BIG_ENDIAN
  965. config SOC_PNX833X
  966. bool
  967. select CEVT_R4K
  968. select CSRC_R4K
  969. select IRQ_CPU
  970. select DMA_NONCOHERENT
  971. select SYS_HAS_CPU_MIPS32_R2
  972. select SYS_SUPPORTS_32BIT_KERNEL
  973. select SYS_SUPPORTS_LITTLE_ENDIAN
  974. select SYS_SUPPORTS_BIG_ENDIAN
  975. select CPU_MIPSR2_IRQ_VI
  976. config SOC_PNX8335
  977. bool
  978. select SOC_PNX833X
  979. config SWAP_IO_SPACE
  980. bool
  981. config SGI_HAS_INDYDOG
  982. bool
  983. config SGI_HAS_HAL2
  984. bool
  985. config SGI_HAS_SEEQ
  986. bool
  987. config SGI_HAS_WD93
  988. bool
  989. config SGI_HAS_ZILOG
  990. bool
  991. config SGI_HAS_I8042
  992. bool
  993. config DEFAULT_SGI_PARTITION
  994. bool
  995. config FW_ARC32
  996. bool
  997. config FW_SNIPROM
  998. bool
  999. config BOOT_ELF32
  1000. bool
  1001. config MIPS_L1_CACHE_SHIFT
  1002. int
  1003. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
  1004. default "6" if MIPS_CPU_SCACHE
  1005. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1006. default "5"
  1007. config HAVE_STD_PC_SERIAL_PORT
  1008. bool
  1009. config ARC_CONSOLE
  1010. bool "ARC console support"
  1011. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1012. config ARC_MEMORY
  1013. bool
  1014. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1015. default y
  1016. config ARC_PROMLIB
  1017. bool
  1018. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1019. default y
  1020. config FW_ARC64
  1021. bool
  1022. config BOOT_ELF64
  1023. bool
  1024. menu "CPU selection"
  1025. choice
  1026. prompt "CPU type"
  1027. default CPU_R4X00
  1028. config CPU_LOONGSON2E
  1029. bool "Loongson 2E"
  1030. depends on SYS_HAS_CPU_LOONGSON2E
  1031. select CPU_LOONGSON2
  1032. help
  1033. The Loongson 2E processor implements the MIPS III instruction set
  1034. with many extensions.
  1035. It has an internal FPGA northbridge, which is compatible to
  1036. bonito64.
  1037. config CPU_LOONGSON2F
  1038. bool "Loongson 2F"
  1039. depends on SYS_HAS_CPU_LOONGSON2F
  1040. select CPU_LOONGSON2
  1041. select ARCH_REQUIRE_GPIOLIB
  1042. help
  1043. The Loongson 2F processor implements the MIPS III instruction set
  1044. with many extensions.
  1045. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1046. have a similar programming interface with FPGA northbridge used in
  1047. Loongson2E.
  1048. config CPU_LOONGSON1B
  1049. bool "Loongson 1B"
  1050. depends on SYS_HAS_CPU_LOONGSON1B
  1051. select CPU_LOONGSON1
  1052. help
  1053. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1054. release 2 instruction set.
  1055. config CPU_MIPS32_R1
  1056. bool "MIPS32 Release 1"
  1057. depends on SYS_HAS_CPU_MIPS32_R1
  1058. select CPU_HAS_PREFETCH
  1059. select CPU_SUPPORTS_32BIT_KERNEL
  1060. select CPU_SUPPORTS_HIGHMEM
  1061. help
  1062. Choose this option to build a kernel for release 1 or later of the
  1063. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1064. MIPS processor are based on a MIPS32 processor. If you know the
  1065. specific type of processor in your system, choose those that one
  1066. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1067. Release 2 of the MIPS32 architecture is available since several
  1068. years so chances are you even have a MIPS32 Release 2 processor
  1069. in which case you should choose CPU_MIPS32_R2 instead for better
  1070. performance.
  1071. config CPU_MIPS32_R2
  1072. bool "MIPS32 Release 2"
  1073. depends on SYS_HAS_CPU_MIPS32_R2
  1074. select CPU_HAS_PREFETCH
  1075. select CPU_SUPPORTS_32BIT_KERNEL
  1076. select CPU_SUPPORTS_HIGHMEM
  1077. select HAVE_KVM
  1078. help
  1079. Choose this option to build a kernel for release 2 or later of the
  1080. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1081. MIPS processor are based on a MIPS32 processor. If you know the
  1082. specific type of processor in your system, choose those that one
  1083. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1084. config CPU_MIPS64_R1
  1085. bool "MIPS64 Release 1"
  1086. depends on SYS_HAS_CPU_MIPS64_R1
  1087. select CPU_HAS_PREFETCH
  1088. select CPU_SUPPORTS_32BIT_KERNEL
  1089. select CPU_SUPPORTS_64BIT_KERNEL
  1090. select CPU_SUPPORTS_HIGHMEM
  1091. select CPU_SUPPORTS_HUGEPAGES
  1092. help
  1093. Choose this option to build a kernel for release 1 or later of the
  1094. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1095. MIPS processor are based on a MIPS64 processor. If you know the
  1096. specific type of processor in your system, choose those that one
  1097. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1098. Release 2 of the MIPS64 architecture is available since several
  1099. years so chances are you even have a MIPS64 Release 2 processor
  1100. in which case you should choose CPU_MIPS64_R2 instead for better
  1101. performance.
  1102. config CPU_MIPS64_R2
  1103. bool "MIPS64 Release 2"
  1104. depends on SYS_HAS_CPU_MIPS64_R2
  1105. select CPU_HAS_PREFETCH
  1106. select CPU_SUPPORTS_32BIT_KERNEL
  1107. select CPU_SUPPORTS_64BIT_KERNEL
  1108. select CPU_SUPPORTS_HIGHMEM
  1109. select CPU_SUPPORTS_HUGEPAGES
  1110. help
  1111. Choose this option to build a kernel for release 2 or later of the
  1112. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1113. MIPS processor are based on a MIPS64 processor. If you know the
  1114. specific type of processor in your system, choose those that one
  1115. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1116. config CPU_R3000
  1117. bool "R3000"
  1118. depends on SYS_HAS_CPU_R3000
  1119. select CPU_HAS_WB
  1120. select CPU_SUPPORTS_32BIT_KERNEL
  1121. select CPU_SUPPORTS_HIGHMEM
  1122. help
  1123. Please make sure to pick the right CPU type. Linux/MIPS is not
  1124. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1125. *not* work on R4000 machines and vice versa. However, since most
  1126. of the supported machines have an R4000 (or similar) CPU, R4x00
  1127. might be a safe bet. If the resulting kernel does not work,
  1128. try to recompile with R3000.
  1129. config CPU_TX39XX
  1130. bool "R39XX"
  1131. depends on SYS_HAS_CPU_TX39XX
  1132. select CPU_SUPPORTS_32BIT_KERNEL
  1133. config CPU_VR41XX
  1134. bool "R41xx"
  1135. depends on SYS_HAS_CPU_VR41XX
  1136. select CPU_SUPPORTS_32BIT_KERNEL
  1137. select CPU_SUPPORTS_64BIT_KERNEL
  1138. help
  1139. The options selects support for the NEC VR4100 series of processors.
  1140. Only choose this option if you have one of these processors as a
  1141. kernel built with this option will not run on any other type of
  1142. processor or vice versa.
  1143. config CPU_R4300
  1144. bool "R4300"
  1145. depends on SYS_HAS_CPU_R4300
  1146. select CPU_SUPPORTS_32BIT_KERNEL
  1147. select CPU_SUPPORTS_64BIT_KERNEL
  1148. help
  1149. MIPS Technologies R4300-series processors.
  1150. config CPU_R4X00
  1151. bool "R4x00"
  1152. depends on SYS_HAS_CPU_R4X00
  1153. select CPU_SUPPORTS_32BIT_KERNEL
  1154. select CPU_SUPPORTS_64BIT_KERNEL
  1155. select CPU_SUPPORTS_HUGEPAGES
  1156. help
  1157. MIPS Technologies R4000-series processors other than 4300, including
  1158. the R4000, R4400, R4600, and 4700.
  1159. config CPU_TX49XX
  1160. bool "R49XX"
  1161. depends on SYS_HAS_CPU_TX49XX
  1162. select CPU_HAS_PREFETCH
  1163. select CPU_SUPPORTS_32BIT_KERNEL
  1164. select CPU_SUPPORTS_64BIT_KERNEL
  1165. select CPU_SUPPORTS_HUGEPAGES
  1166. config CPU_R5000
  1167. bool "R5000"
  1168. depends on SYS_HAS_CPU_R5000
  1169. select CPU_SUPPORTS_32BIT_KERNEL
  1170. select CPU_SUPPORTS_64BIT_KERNEL
  1171. select CPU_SUPPORTS_HUGEPAGES
  1172. help
  1173. MIPS Technologies R5000-series processors other than the Nevada.
  1174. config CPU_R5432
  1175. bool "R5432"
  1176. depends on SYS_HAS_CPU_R5432
  1177. select CPU_SUPPORTS_32BIT_KERNEL
  1178. select CPU_SUPPORTS_64BIT_KERNEL
  1179. select CPU_SUPPORTS_HUGEPAGES
  1180. config CPU_R5500
  1181. bool "R5500"
  1182. depends on SYS_HAS_CPU_R5500
  1183. select CPU_SUPPORTS_32BIT_KERNEL
  1184. select CPU_SUPPORTS_64BIT_KERNEL
  1185. select CPU_SUPPORTS_HUGEPAGES
  1186. help
  1187. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1188. instruction set.
  1189. config CPU_R6000
  1190. bool "R6000"
  1191. depends on SYS_HAS_CPU_R6000
  1192. select CPU_SUPPORTS_32BIT_KERNEL
  1193. help
  1194. MIPS Technologies R6000 and R6000A series processors. Note these
  1195. processors are extremely rare and the support for them is incomplete.
  1196. config CPU_NEVADA
  1197. bool "RM52xx"
  1198. depends on SYS_HAS_CPU_NEVADA
  1199. select CPU_SUPPORTS_32BIT_KERNEL
  1200. select CPU_SUPPORTS_64BIT_KERNEL
  1201. select CPU_SUPPORTS_HUGEPAGES
  1202. help
  1203. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1204. config CPU_R8000
  1205. bool "R8000"
  1206. depends on SYS_HAS_CPU_R8000
  1207. select CPU_HAS_PREFETCH
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. help
  1210. MIPS Technologies R8000 processors. Note these processors are
  1211. uncommon and the support for them is incomplete.
  1212. config CPU_R10000
  1213. bool "R10000"
  1214. depends on SYS_HAS_CPU_R10000
  1215. select CPU_HAS_PREFETCH
  1216. select CPU_SUPPORTS_32BIT_KERNEL
  1217. select CPU_SUPPORTS_64BIT_KERNEL
  1218. select CPU_SUPPORTS_HIGHMEM
  1219. select CPU_SUPPORTS_HUGEPAGES
  1220. help
  1221. MIPS Technologies R10000-series processors.
  1222. config CPU_RM7000
  1223. bool "RM7000"
  1224. depends on SYS_HAS_CPU_RM7000
  1225. select CPU_HAS_PREFETCH
  1226. select CPU_SUPPORTS_32BIT_KERNEL
  1227. select CPU_SUPPORTS_64BIT_KERNEL
  1228. select CPU_SUPPORTS_HIGHMEM
  1229. select CPU_SUPPORTS_HUGEPAGES
  1230. config CPU_SB1
  1231. bool "SB1"
  1232. depends on SYS_HAS_CPU_SB1
  1233. select CPU_SUPPORTS_32BIT_KERNEL
  1234. select CPU_SUPPORTS_64BIT_KERNEL
  1235. select CPU_SUPPORTS_HIGHMEM
  1236. select CPU_SUPPORTS_HUGEPAGES
  1237. select WEAK_ORDERING
  1238. config CPU_CAVIUM_OCTEON
  1239. bool "Cavium Octeon processor"
  1240. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1241. select ARCH_SPARSEMEM_ENABLE
  1242. select CPU_HAS_PREFETCH
  1243. select CPU_SUPPORTS_64BIT_KERNEL
  1244. select SYS_SUPPORTS_SMP
  1245. select NR_CPUS_DEFAULT_16
  1246. select WEAK_ORDERING
  1247. select CPU_SUPPORTS_HIGHMEM
  1248. select CPU_SUPPORTS_HUGEPAGES
  1249. select LIBFDT
  1250. select USE_OF
  1251. select USB_EHCI_BIG_ENDIAN_MMIO
  1252. help
  1253. The Cavium Octeon processor is a highly integrated chip containing
  1254. many ethernet hardware widgets for networking tasks. The processor
  1255. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1256. Full details can be found at http://www.caviumnetworks.com.
  1257. config CPU_BMIPS3300
  1258. bool "BMIPS3300"
  1259. depends on SYS_HAS_CPU_BMIPS3300
  1260. select CPU_BMIPS
  1261. help
  1262. Broadcom BMIPS3300 processors.
  1263. config CPU_BMIPS4350
  1264. bool "BMIPS4350"
  1265. depends on SYS_HAS_CPU_BMIPS4350
  1266. select CPU_BMIPS
  1267. select SYS_SUPPORTS_SMP
  1268. select SYS_SUPPORTS_HOTPLUG_CPU
  1269. help
  1270. Broadcom BMIPS4350 ("VIPER") processors.
  1271. config CPU_BMIPS4380
  1272. bool "BMIPS4380"
  1273. depends on SYS_HAS_CPU_BMIPS4380
  1274. select CPU_BMIPS
  1275. select SYS_SUPPORTS_SMP
  1276. select SYS_SUPPORTS_HOTPLUG_CPU
  1277. help
  1278. Broadcom BMIPS4380 processors.
  1279. config CPU_BMIPS5000
  1280. bool "BMIPS5000"
  1281. depends on SYS_HAS_CPU_BMIPS5000
  1282. select CPU_BMIPS
  1283. select CPU_SUPPORTS_HIGHMEM
  1284. select MIPS_CPU_SCACHE
  1285. select SYS_SUPPORTS_SMP
  1286. select SYS_SUPPORTS_HOTPLUG_CPU
  1287. help
  1288. Broadcom BMIPS5000 processors.
  1289. config CPU_XLR
  1290. bool "Netlogic XLR SoC"
  1291. depends on SYS_HAS_CPU_XLR
  1292. select CPU_SUPPORTS_32BIT_KERNEL
  1293. select CPU_SUPPORTS_64BIT_KERNEL
  1294. select CPU_SUPPORTS_HIGHMEM
  1295. select CPU_SUPPORTS_HUGEPAGES
  1296. select WEAK_ORDERING
  1297. select WEAK_REORDERING_BEYOND_LLSC
  1298. help
  1299. Netlogic Microsystems XLR/XLS processors.
  1300. config CPU_XLP
  1301. bool "Netlogic XLP SoC"
  1302. depends on SYS_HAS_CPU_XLP
  1303. select CPU_SUPPORTS_32BIT_KERNEL
  1304. select CPU_SUPPORTS_64BIT_KERNEL
  1305. select CPU_SUPPORTS_HIGHMEM
  1306. select WEAK_ORDERING
  1307. select WEAK_REORDERING_BEYOND_LLSC
  1308. select CPU_HAS_PREFETCH
  1309. select CPU_MIPSR2
  1310. help
  1311. Netlogic Microsystems XLP processors.
  1312. endchoice
  1313. if CPU_LOONGSON2F
  1314. config CPU_NOP_WORKAROUNDS
  1315. bool
  1316. config CPU_JUMP_WORKAROUNDS
  1317. bool
  1318. config CPU_LOONGSON2F_WORKAROUNDS
  1319. bool "Loongson 2F Workarounds"
  1320. default y
  1321. select CPU_NOP_WORKAROUNDS
  1322. select CPU_JUMP_WORKAROUNDS
  1323. help
  1324. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1325. require workarounds. Without workarounds the system may hang
  1326. unexpectedly. For more information please refer to the gas
  1327. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1328. Loongson 2F03 and later have fixed these issues and no workarounds
  1329. are needed. The workarounds have no significant side effect on them
  1330. but may decrease the performance of the system so this option should
  1331. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1332. systems.
  1333. If unsure, please say Y.
  1334. endif # CPU_LOONGSON2F
  1335. config SYS_SUPPORTS_ZBOOT
  1336. bool
  1337. select HAVE_KERNEL_GZIP
  1338. select HAVE_KERNEL_BZIP2
  1339. select HAVE_KERNEL_LZMA
  1340. select HAVE_KERNEL_LZO
  1341. config SYS_SUPPORTS_ZBOOT_UART16550
  1342. bool
  1343. select SYS_SUPPORTS_ZBOOT
  1344. config CPU_LOONGSON2
  1345. bool
  1346. select CPU_SUPPORTS_32BIT_KERNEL
  1347. select CPU_SUPPORTS_64BIT_KERNEL
  1348. select CPU_SUPPORTS_HIGHMEM
  1349. select CPU_SUPPORTS_HUGEPAGES
  1350. config CPU_LOONGSON1
  1351. bool
  1352. select CPU_MIPS32
  1353. select CPU_MIPSR2
  1354. select CPU_HAS_PREFETCH
  1355. select CPU_SUPPORTS_32BIT_KERNEL
  1356. select CPU_SUPPORTS_HIGHMEM
  1357. config CPU_BMIPS
  1358. bool
  1359. select CPU_MIPS32
  1360. select CPU_SUPPORTS_32BIT_KERNEL
  1361. select DMA_NONCOHERENT
  1362. select IRQ_CPU
  1363. select SWAP_IO_SPACE
  1364. select WEAK_ORDERING
  1365. config SYS_HAS_CPU_LOONGSON2E
  1366. bool
  1367. config SYS_HAS_CPU_LOONGSON2F
  1368. bool
  1369. select CPU_SUPPORTS_CPUFREQ
  1370. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1371. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1372. config SYS_HAS_CPU_LOONGSON1B
  1373. bool
  1374. config SYS_HAS_CPU_MIPS32_R1
  1375. bool
  1376. config SYS_HAS_CPU_MIPS32_R2
  1377. bool
  1378. config SYS_HAS_CPU_MIPS64_R1
  1379. bool
  1380. config SYS_HAS_CPU_MIPS64_R2
  1381. bool
  1382. config SYS_HAS_CPU_R3000
  1383. bool
  1384. config SYS_HAS_CPU_TX39XX
  1385. bool
  1386. config SYS_HAS_CPU_VR41XX
  1387. bool
  1388. config SYS_HAS_CPU_R4300
  1389. bool
  1390. config SYS_HAS_CPU_R4X00
  1391. bool
  1392. config SYS_HAS_CPU_TX49XX
  1393. bool
  1394. config SYS_HAS_CPU_R5000
  1395. bool
  1396. config SYS_HAS_CPU_R5432
  1397. bool
  1398. config SYS_HAS_CPU_R5500
  1399. bool
  1400. config SYS_HAS_CPU_R6000
  1401. bool
  1402. config SYS_HAS_CPU_NEVADA
  1403. bool
  1404. config SYS_HAS_CPU_R8000
  1405. bool
  1406. config SYS_HAS_CPU_R10000
  1407. bool
  1408. config SYS_HAS_CPU_RM7000
  1409. bool
  1410. config SYS_HAS_CPU_SB1
  1411. bool
  1412. config SYS_HAS_CPU_CAVIUM_OCTEON
  1413. bool
  1414. config SYS_HAS_CPU_BMIPS3300
  1415. bool
  1416. config SYS_HAS_CPU_BMIPS4350
  1417. bool
  1418. config SYS_HAS_CPU_BMIPS4380
  1419. bool
  1420. config SYS_HAS_CPU_BMIPS5000
  1421. bool
  1422. config SYS_HAS_CPU_XLR
  1423. bool
  1424. config SYS_HAS_CPU_XLP
  1425. bool
  1426. #
  1427. # CPU may reorder R->R, R->W, W->R, W->W
  1428. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1429. #
  1430. config WEAK_ORDERING
  1431. bool
  1432. #
  1433. # CPU may reorder reads and writes beyond LL/SC
  1434. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1435. #
  1436. config WEAK_REORDERING_BEYOND_LLSC
  1437. bool
  1438. endmenu
  1439. #
  1440. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1441. #
  1442. config CPU_MIPS32
  1443. bool
  1444. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1445. config CPU_MIPS64
  1446. bool
  1447. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1448. #
  1449. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1450. #
  1451. config CPU_MIPSR1
  1452. bool
  1453. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1454. config CPU_MIPSR2
  1455. bool
  1456. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1457. config SYS_SUPPORTS_32BIT_KERNEL
  1458. bool
  1459. config SYS_SUPPORTS_64BIT_KERNEL
  1460. bool
  1461. config CPU_SUPPORTS_32BIT_KERNEL
  1462. bool
  1463. config CPU_SUPPORTS_64BIT_KERNEL
  1464. bool
  1465. config CPU_SUPPORTS_CPUFREQ
  1466. bool
  1467. config CPU_SUPPORTS_ADDRWINCFG
  1468. bool
  1469. config CPU_SUPPORTS_HUGEPAGES
  1470. bool
  1471. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1472. bool
  1473. config MIPS_PGD_C0_CONTEXT
  1474. bool
  1475. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1476. #
  1477. # Set to y for ptrace access to watch registers.
  1478. #
  1479. config HARDWARE_WATCHPOINTS
  1480. bool
  1481. default y if CPU_MIPSR1 || CPU_MIPSR2
  1482. menu "Kernel type"
  1483. choice
  1484. prompt "Kernel code model"
  1485. help
  1486. You should only select this option if you have a workload that
  1487. actually benefits from 64-bit processing or if your machine has
  1488. large memory. You will only be presented a single option in this
  1489. menu if your system does not support both 32-bit and 64-bit kernels.
  1490. config 32BIT
  1491. bool "32-bit kernel"
  1492. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1493. select TRAD_SIGNALS
  1494. help
  1495. Select this option if you want to build a 32-bit kernel.
  1496. config 64BIT
  1497. bool "64-bit kernel"
  1498. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1499. help
  1500. Select this option if you want to build a 64-bit kernel.
  1501. endchoice
  1502. config KVM_GUEST
  1503. bool "KVM Guest Kernel"
  1504. help
  1505. Select this option if building a guest kernel for KVM (Trap & Emulate) mode
  1506. config KVM_HOST_FREQ
  1507. int "KVM Host Processor Frequency (MHz)"
  1508. depends on KVM_GUEST
  1509. default 500
  1510. help
  1511. Select this option if building a guest kernel for KVM to skip
  1512. RTC emulation when determining guest CPU Frequency. Instead, the guest
  1513. processor frequency is automatically derived from the host frequency.
  1514. choice
  1515. prompt "Kernel page size"
  1516. default PAGE_SIZE_4KB
  1517. config PAGE_SIZE_4KB
  1518. bool "4kB"
  1519. depends on !CPU_LOONGSON2
  1520. help
  1521. This option select the standard 4kB Linux page size. On some
  1522. R3000-family processors this is the only available page size. Using
  1523. 4kB page size will minimize memory consumption and is therefore
  1524. recommended for low memory systems.
  1525. config PAGE_SIZE_8KB
  1526. bool "8kB"
  1527. depends on CPU_R8000 || CPU_CAVIUM_OCTEON
  1528. help
  1529. Using 8kB page size will result in higher performance kernel at
  1530. the price of higher memory consumption. This option is available
  1531. only on R8000 and cnMIPS processors. Note that you will need a
  1532. suitable Linux distribution to support this.
  1533. config PAGE_SIZE_16KB
  1534. bool "16kB"
  1535. depends on !CPU_R3000 && !CPU_TX39XX
  1536. help
  1537. Using 16kB page size will result in higher performance kernel at
  1538. the price of higher memory consumption. This option is available on
  1539. all non-R3000 family processors. Note that you will need a suitable
  1540. Linux distribution to support this.
  1541. config PAGE_SIZE_32KB
  1542. bool "32kB"
  1543. depends on CPU_CAVIUM_OCTEON
  1544. help
  1545. Using 32kB page size will result in higher performance kernel at
  1546. the price of higher memory consumption. This option is available
  1547. only on cnMIPS cores. Note that you will need a suitable Linux
  1548. distribution to support this.
  1549. config PAGE_SIZE_64KB
  1550. bool "64kB"
  1551. depends on !CPU_R3000 && !CPU_TX39XX
  1552. help
  1553. Using 64kB 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 processor. Not that at the time of this
  1556. writing this option is still high experimental.
  1557. endchoice
  1558. config FORCE_MAX_ZONEORDER
  1559. int "Maximum zone order"
  1560. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1561. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1562. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1563. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1564. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1565. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1566. range 11 64
  1567. default "11"
  1568. help
  1569. The kernel memory allocator divides physically contiguous memory
  1570. blocks into "zones", where each zone is a power of two number of
  1571. pages. This option selects the largest power of two that the kernel
  1572. keeps in the memory allocator. If you need to allocate very large
  1573. blocks of physically contiguous memory, then you may need to
  1574. increase this value.
  1575. This config option is actually maximum order plus one. For example,
  1576. a value of 11 means that the largest free memory block is 2^10 pages.
  1577. The page size is not necessarily 4KB. Keep this in mind
  1578. when choosing a value for this option.
  1579. config CEVT_GIC
  1580. bool "Use GIC global counter for clock events"
  1581. depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
  1582. help
  1583. Use the GIC global counter for the clock events. The R4K clock
  1584. event driver is always present, so if the platform ends up not
  1585. detecting a GIC, it will fall back to the R4K timer for the
  1586. generation of clock events.
  1587. config BOARD_SCACHE
  1588. bool
  1589. config IP22_CPU_SCACHE
  1590. bool
  1591. select BOARD_SCACHE
  1592. #
  1593. # Support for a MIPS32 / MIPS64 style S-caches
  1594. #
  1595. config MIPS_CPU_SCACHE
  1596. bool
  1597. select BOARD_SCACHE
  1598. config R5000_CPU_SCACHE
  1599. bool
  1600. select BOARD_SCACHE
  1601. config RM7000_CPU_SCACHE
  1602. bool
  1603. select BOARD_SCACHE
  1604. config SIBYTE_DMA_PAGEOPS
  1605. bool "Use DMA to clear/copy pages"
  1606. depends on CPU_SB1
  1607. help
  1608. Instead of using the CPU to zero and copy pages, use a Data Mover
  1609. channel. These DMA channels are otherwise unused by the standard
  1610. SiByte Linux port. Seems to give a small performance benefit.
  1611. config CPU_HAS_PREFETCH
  1612. bool
  1613. config CPU_GENERIC_DUMP_TLB
  1614. bool
  1615. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1616. config CPU_R4K_FPU
  1617. bool
  1618. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1619. config CPU_R4K_CACHE_TLB
  1620. bool
  1621. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1622. choice
  1623. prompt "MIPS MT options"
  1624. config MIPS_MT_DISABLED
  1625. bool "Disable multithreading support."
  1626. help
  1627. Use this option if your workload can't take advantage of
  1628. MIPS hardware multithreading support. On systems that don't have
  1629. the option of an MT-enabled processor this option will be the only
  1630. option in this menu.
  1631. config MIPS_MT_SMP
  1632. bool "Use 1 TC on each available VPE for SMP"
  1633. depends on SYS_SUPPORTS_MULTITHREADING
  1634. select CPU_MIPSR2_IRQ_VI
  1635. select CPU_MIPSR2_IRQ_EI
  1636. select MIPS_MT
  1637. select NR_CPUS_DEFAULT_2
  1638. select SMP
  1639. select SYS_SUPPORTS_SCHED_SMT if SMP
  1640. select SYS_SUPPORTS_SMP
  1641. select SMP_UP
  1642. select MIPS_PERF_SHARED_TC_COUNTERS
  1643. help
  1644. This is a kernel model which is known a VSMP but lately has been
  1645. marketesed into SMVP.
  1646. Virtual SMP uses the processor's VPEs to implement virtual
  1647. processors. In currently available configuration of the 34K processor
  1648. this allows for a dual processor. Both processors will share the same
  1649. primary caches; each will obtain the half of the TLB for it's own
  1650. exclusive use. For a layman this model can be described as similar to
  1651. what Intel calls Hyperthreading.
  1652. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1653. config MIPS_MT_SMTC
  1654. bool "SMTC: Use all TCs on all VPEs for SMP"
  1655. depends on CPU_MIPS32_R2
  1656. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1657. depends on SYS_SUPPORTS_MULTITHREADING
  1658. select CPU_MIPSR2_IRQ_VI
  1659. select CPU_MIPSR2_IRQ_EI
  1660. select MIPS_MT
  1661. select NR_CPUS_DEFAULT_8
  1662. select SMP
  1663. select SYS_SUPPORTS_SMP
  1664. select SMP_UP
  1665. help
  1666. This is a kernel model which is known a SMTC or lately has been
  1667. marketesed into SMVP.
  1668. is presenting the available TC's of the core as processors to Linux.
  1669. On currently available 34K processors this means a Linux system will
  1670. see up to 5 processors. The implementation of the SMTC kernel differs
  1671. significantly from VSMP and cannot efficiently coexist in the same
  1672. kernel binary so the choice between VSMP and SMTC is a compile time
  1673. decision.
  1674. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1675. endchoice
  1676. config MIPS_MT
  1677. bool
  1678. config SCHED_SMT
  1679. bool "SMT (multithreading) scheduler support"
  1680. depends on SYS_SUPPORTS_SCHED_SMT
  1681. default n
  1682. help
  1683. SMT scheduler support improves the CPU scheduler's decision making
  1684. when dealing with MIPS MT enabled cores at a cost of slightly
  1685. increased overhead in some places. If unsure say N here.
  1686. config SYS_SUPPORTS_SCHED_SMT
  1687. bool
  1688. config SYS_SUPPORTS_MULTITHREADING
  1689. bool
  1690. config MIPS_MT_FPAFF
  1691. bool "Dynamic FPU affinity for FP-intensive threads"
  1692. default y
  1693. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1694. config MIPS_VPE_LOADER
  1695. bool "VPE loader support."
  1696. depends on SYS_SUPPORTS_MULTITHREADING
  1697. select CPU_MIPSR2_IRQ_VI
  1698. select CPU_MIPSR2_IRQ_EI
  1699. select MIPS_MT
  1700. help
  1701. Includes a loader for loading an elf relocatable object
  1702. onto another VPE and running it.
  1703. config MIPS_MT_SMTC_IM_BACKSTOP
  1704. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1705. depends on MIPS_MT_SMTC
  1706. default n
  1707. help
  1708. To support multiple TC microthreads acting as "CPUs" within
  1709. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1710. during interrupt handling. To support legacy drivers and interrupt
  1711. controller management code, SMTC has a "backstop" to track and
  1712. if necessary restore the interrupt mask. This has some performance
  1713. impact on interrupt service overhead.
  1714. config MIPS_MT_SMTC_IRQAFF
  1715. bool "Support IRQ affinity API"
  1716. depends on MIPS_MT_SMTC
  1717. default n
  1718. help
  1719. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1720. for SMTC Linux kernel. Requires platform support, of which
  1721. an example can be found in the MIPS kernel i8259 and Malta
  1722. platform code. Adds some overhead to interrupt dispatch, and
  1723. should be used only if you know what you are doing.
  1724. config MIPS_VPE_LOADER_TOM
  1725. bool "Load VPE program into memory hidden from linux"
  1726. depends on MIPS_VPE_LOADER
  1727. default y
  1728. help
  1729. The loader can use memory that is present but has been hidden from
  1730. Linux using the kernel command line option "mem=xxMB". It's up to
  1731. you to ensure the amount you put in the option and the space your
  1732. program requires is less or equal to the amount physically present.
  1733. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1734. config MIPS_VPE_APSP_API
  1735. bool "Enable support for AP/SP API (RTLX)"
  1736. depends on MIPS_VPE_LOADER
  1737. help
  1738. config MIPS_CMP
  1739. bool "MIPS CMP framework support"
  1740. depends on SYS_SUPPORTS_MIPS_CMP
  1741. select SYNC_R4K
  1742. select SYS_SUPPORTS_SMP
  1743. select SYS_SUPPORTS_SCHED_SMT if SMP
  1744. select WEAK_ORDERING
  1745. default n
  1746. help
  1747. This is a placeholder option for the GCMP work. It will need to
  1748. be handled differently...
  1749. config SB1_PASS_1_WORKAROUNDS
  1750. bool
  1751. depends on CPU_SB1_PASS_1
  1752. default y
  1753. config SB1_PASS_2_WORKAROUNDS
  1754. bool
  1755. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1756. default y
  1757. config SB1_PASS_2_1_WORKAROUNDS
  1758. bool
  1759. depends on CPU_SB1 && CPU_SB1_PASS_2
  1760. default y
  1761. config 64BIT_PHYS_ADDR
  1762. bool
  1763. config ARCH_PHYS_ADDR_T_64BIT
  1764. def_bool 64BIT_PHYS_ADDR
  1765. config CPU_HAS_SMARTMIPS
  1766. depends on SYS_SUPPORTS_SMARTMIPS
  1767. bool "Support for the SmartMIPS ASE"
  1768. help
  1769. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1770. increased security at both hardware and software level for
  1771. smartcards. Enabling this option will allow proper use of the
  1772. SmartMIPS instructions by Linux applications. However a kernel with
  1773. this option will not work on a MIPS core without SmartMIPS core. If
  1774. you don't know you probably don't have SmartMIPS and should say N
  1775. here.
  1776. config CPU_MICROMIPS
  1777. depends on SYS_SUPPORTS_MICROMIPS
  1778. bool "Build kernel using microMIPS ISA"
  1779. help
  1780. When this option is enabled the kernel will be built using the
  1781. microMIPS ISA
  1782. config CPU_HAS_WB
  1783. bool
  1784. config XKS01
  1785. bool
  1786. #
  1787. # Vectored interrupt mode is an R2 feature
  1788. #
  1789. config CPU_MIPSR2_IRQ_VI
  1790. bool
  1791. #
  1792. # Extended interrupt mode is an R2 feature
  1793. #
  1794. config CPU_MIPSR2_IRQ_EI
  1795. bool
  1796. config CPU_HAS_SYNC
  1797. bool
  1798. depends on !CPU_R3000
  1799. default y
  1800. #
  1801. # CPU non-features
  1802. #
  1803. config CPU_DADDI_WORKAROUNDS
  1804. bool
  1805. config CPU_R4000_WORKAROUNDS
  1806. bool
  1807. select CPU_R4400_WORKAROUNDS
  1808. config CPU_R4400_WORKAROUNDS
  1809. bool
  1810. #
  1811. # - Highmem only makes sense for the 32-bit kernel.
  1812. # - The current highmem code will only work properly on physically indexed
  1813. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1814. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1815. # moment we protect the user and offer the highmem option only on machines
  1816. # where it's known to be safe. This will not offer highmem on a few systems
  1817. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1818. # indexed CPUs but we're playing safe.
  1819. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1820. # know they might have memory configurations that could make use of highmem
  1821. # support.
  1822. #
  1823. config HIGHMEM
  1824. bool "High Memory Support"
  1825. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1826. config CPU_SUPPORTS_HIGHMEM
  1827. bool
  1828. config SYS_SUPPORTS_HIGHMEM
  1829. bool
  1830. config SYS_SUPPORTS_SMARTMIPS
  1831. bool
  1832. config SYS_SUPPORTS_MICROMIPS
  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 USE_GENERIC_SMP_HELPERS
  1875. help
  1876. This enables support for systems with more than one CPU. If you have
  1877. a system with only one CPU, like most personal computers, say N. If
  1878. you have a system with more than one CPU, say Y.
  1879. If you say N here, the kernel will run on single and multiprocessor
  1880. machines, but will use only one CPU of a multiprocessor machine. If
  1881. you say Y here, the kernel will run on many, but not all,
  1882. singleprocessor machines. On a singleprocessor machine, the kernel
  1883. will run faster if you say N here.
  1884. People using multiprocessor machines who say Y here should also say
  1885. Y to "Enhanced Real Time Clock Support", below.
  1886. See also the SMP-HOWTO available at
  1887. <http://www.tldp.org/docs.html#howto>.
  1888. If you don't know what to do here, say N.
  1889. config SMP_UP
  1890. bool
  1891. config SYS_SUPPORTS_MIPS_CMP
  1892. bool
  1893. config SYS_SUPPORTS_SMP
  1894. bool
  1895. config NR_CPUS_DEFAULT_1
  1896. bool
  1897. config NR_CPUS_DEFAULT_2
  1898. bool
  1899. config NR_CPUS_DEFAULT_4
  1900. bool
  1901. config NR_CPUS_DEFAULT_8
  1902. bool
  1903. config NR_CPUS_DEFAULT_16
  1904. bool
  1905. config NR_CPUS_DEFAULT_32
  1906. bool
  1907. config NR_CPUS_DEFAULT_64
  1908. bool
  1909. config NR_CPUS
  1910. int "Maximum number of CPUs (2-64)"
  1911. range 1 64 if NR_CPUS_DEFAULT_1
  1912. depends on SMP
  1913. default "1" if NR_CPUS_DEFAULT_1
  1914. default "2" if NR_CPUS_DEFAULT_2
  1915. default "4" if NR_CPUS_DEFAULT_4
  1916. default "8" if NR_CPUS_DEFAULT_8
  1917. default "16" if NR_CPUS_DEFAULT_16
  1918. default "32" if NR_CPUS_DEFAULT_32
  1919. default "64" if NR_CPUS_DEFAULT_64
  1920. help
  1921. This allows you to specify the maximum number of CPUs which this
  1922. kernel will support. The maximum supported value is 32 for 32-bit
  1923. kernel and 64 for 64-bit kernels; the minimum value which makes
  1924. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1925. and 2 for all others.
  1926. This is purely to save memory - each supported CPU adds
  1927. approximately eight kilobytes to the kernel image. For best
  1928. performance should round up your number of processors to the next
  1929. power of two.
  1930. config MIPS_PERF_SHARED_TC_COUNTERS
  1931. bool
  1932. #
  1933. # Timer Interrupt Frequency Configuration
  1934. #
  1935. choice
  1936. prompt "Timer frequency"
  1937. default HZ_250
  1938. help
  1939. Allows the configuration of the timer frequency.
  1940. config HZ_48
  1941. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1942. config HZ_100
  1943. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1944. config HZ_128
  1945. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1946. config HZ_250
  1947. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1948. config HZ_256
  1949. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1950. config HZ_1000
  1951. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1952. config HZ_1024
  1953. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1954. endchoice
  1955. config SYS_SUPPORTS_48HZ
  1956. bool
  1957. config SYS_SUPPORTS_100HZ
  1958. bool
  1959. config SYS_SUPPORTS_128HZ
  1960. bool
  1961. config SYS_SUPPORTS_250HZ
  1962. bool
  1963. config SYS_SUPPORTS_256HZ
  1964. bool
  1965. config SYS_SUPPORTS_1000HZ
  1966. bool
  1967. config SYS_SUPPORTS_1024HZ
  1968. bool
  1969. config SYS_SUPPORTS_ARBIT_HZ
  1970. bool
  1971. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1972. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1973. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1974. !SYS_SUPPORTS_1024HZ
  1975. config HZ
  1976. int
  1977. default 48 if HZ_48
  1978. default 100 if HZ_100
  1979. default 128 if HZ_128
  1980. default 250 if HZ_250
  1981. default 256 if HZ_256
  1982. default 1000 if HZ_1000
  1983. default 1024 if HZ_1024
  1984. source "kernel/Kconfig.preempt"
  1985. config KEXEC
  1986. bool "Kexec system call"
  1987. help
  1988. kexec is a system call that implements the ability to shutdown your
  1989. current kernel, and to start another kernel. It is like a reboot
  1990. but it is independent of the system firmware. And like a reboot
  1991. you can start any kernel with it, not just Linux.
  1992. The name comes from the similarity to the exec system call.
  1993. It is an ongoing process to be certain the hardware in a machine
  1994. is properly shutdown, so do not be surprised if this code does not
  1995. initially work for you. It may help to enable device hotplugging
  1996. support. As of this writing the exact hardware interface is
  1997. strongly in flux, so no good recommendation can be made.
  1998. config CRASH_DUMP
  1999. bool "Kernel crash dumps"
  2000. help
  2001. Generate crash dump after being started by kexec.
  2002. This should be normally only set in special crash dump kernels
  2003. which are loaded in the main kernel with kexec-tools into
  2004. a specially reserved region and then later executed after
  2005. a crash by kdump/kexec. The crash dump kernel must be compiled
  2006. to a memory address not used by the main kernel or firmware using
  2007. PHYSICAL_START.
  2008. config PHYSICAL_START
  2009. hex "Physical address where the kernel is loaded"
  2010. default "0xffffffff84000000" if 64BIT
  2011. default "0x84000000" if 32BIT
  2012. depends on CRASH_DUMP
  2013. help
  2014. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2015. If you plan to use kernel for capturing the crash dump change
  2016. this value to start of the reserved region (the "X" value as
  2017. specified in the "crashkernel=YM@XM" command line boot parameter
  2018. passed to the panic-ed kernel).
  2019. config SECCOMP
  2020. bool "Enable seccomp to safely compute untrusted bytecode"
  2021. depends on PROC_FS
  2022. default y
  2023. help
  2024. This kernel feature is useful for number crunching applications
  2025. that may need to compute untrusted bytecode during their
  2026. execution. By using pipes or other transports made available to
  2027. the process as file descriptors supporting the read/write
  2028. syscalls, it's possible to isolate those applications in
  2029. their own address space using seccomp. Once seccomp is
  2030. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2031. and the task is only allowed to execute a few safe syscalls
  2032. defined by each seccomp mode.
  2033. If unsure, say Y. Only embedded should say N here.
  2034. config USE_OF
  2035. bool
  2036. select OF
  2037. select OF_EARLY_FLATTREE
  2038. select IRQ_DOMAIN
  2039. endmenu
  2040. config LOCKDEP_SUPPORT
  2041. bool
  2042. default y
  2043. config STACKTRACE_SUPPORT
  2044. bool
  2045. default y
  2046. source "init/Kconfig"
  2047. source "kernel/Kconfig.freezer"
  2048. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2049. config HW_HAS_EISA
  2050. bool
  2051. config HW_HAS_PCI
  2052. bool
  2053. config PCI
  2054. bool "Support for PCI controller"
  2055. depends on HW_HAS_PCI
  2056. select PCI_DOMAINS
  2057. select GENERIC_PCI_IOMAP
  2058. select NO_GENERIC_PCI_IOPORT_MAP
  2059. help
  2060. Find out whether you have a PCI motherboard. PCI is the name of a
  2061. bus system, i.e. the way the CPU talks to the other stuff inside
  2062. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2063. say Y, otherwise N.
  2064. config PCI_DOMAINS
  2065. bool
  2066. source "drivers/pci/Kconfig"
  2067. source "drivers/pci/pcie/Kconfig"
  2068. #
  2069. # ISA support is now enabled via select. Too many systems still have the one
  2070. # or other ISA chip on the board that users don't know about so don't expect
  2071. # users to choose the right thing ...
  2072. #
  2073. config ISA
  2074. bool
  2075. config EISA
  2076. bool "EISA support"
  2077. depends on HW_HAS_EISA
  2078. select ISA
  2079. select GENERIC_ISA_DMA
  2080. ---help---
  2081. The Extended Industry Standard Architecture (EISA) bus was
  2082. developed as an open alternative to the IBM MicroChannel bus.
  2083. The EISA bus provided some of the features of the IBM MicroChannel
  2084. bus while maintaining backward compatibility with cards made for
  2085. the older ISA bus. The EISA bus saw limited use between 1988 and
  2086. 1995 when it was made obsolete by the PCI bus.
  2087. Say Y here if you are building a kernel for an EISA-based machine.
  2088. Otherwise, say N.
  2089. source "drivers/eisa/Kconfig"
  2090. config TC
  2091. bool "TURBOchannel support"
  2092. depends on MACH_DECSTATION
  2093. help
  2094. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2095. processors. TURBOchannel programming specifications are available
  2096. at:
  2097. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2098. and:
  2099. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2100. Linux driver support status is documented at:
  2101. <http://www.linux-mips.org/wiki/DECstation>
  2102. config MMU
  2103. bool
  2104. default y
  2105. config I8253
  2106. bool
  2107. select CLKSRC_I8253
  2108. select CLKEVT_I8253
  2109. select MIPS_EXTERNAL_TIMER
  2110. config ZONE_DMA32
  2111. bool
  2112. source "drivers/pcmcia/Kconfig"
  2113. source "drivers/pci/hotplug/Kconfig"
  2114. config RAPIDIO
  2115. bool "RapidIO support"
  2116. depends on PCI
  2117. default n
  2118. help
  2119. If you say Y here, the kernel will include drivers and
  2120. infrastructure code to support RapidIO interconnect devices.
  2121. source "drivers/rapidio/Kconfig"
  2122. endmenu
  2123. menu "Executable file formats"
  2124. source "fs/Kconfig.binfmt"
  2125. config TRAD_SIGNALS
  2126. bool
  2127. config MIPS32_COMPAT
  2128. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2129. depends on 64BIT
  2130. help
  2131. Select this option if you want Linux/MIPS 32-bit binary
  2132. compatibility. Since all software available for Linux/MIPS is
  2133. currently 32-bit you should say Y here.
  2134. config COMPAT
  2135. bool
  2136. depends on MIPS32_COMPAT
  2137. select ARCH_WANT_OLD_COMPAT_IPC
  2138. default y
  2139. config SYSVIPC_COMPAT
  2140. bool
  2141. depends on COMPAT && SYSVIPC
  2142. default y
  2143. config MIPS32_O32
  2144. bool "Kernel support for o32 binaries"
  2145. depends on MIPS32_COMPAT
  2146. help
  2147. Select this option if you want to run o32 binaries. These are pure
  2148. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2149. existing binaries are in this format.
  2150. If unsure, say Y.
  2151. config MIPS32_N32
  2152. bool "Kernel support for n32 binaries"
  2153. depends on MIPS32_COMPAT
  2154. help
  2155. Select this option if you want to run n32 binaries. These are
  2156. 64-bit binaries using 32-bit quantities for addressing and certain
  2157. data that would normally be 64-bit. They are used in special
  2158. cases.
  2159. If unsure, say N.
  2160. config BINFMT_ELF32
  2161. bool
  2162. default y if MIPS32_O32 || MIPS32_N32
  2163. endmenu
  2164. menu "Power management options"
  2165. config ARCH_HIBERNATION_POSSIBLE
  2166. def_bool y
  2167. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2168. config ARCH_SUSPEND_POSSIBLE
  2169. def_bool y
  2170. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2171. source "kernel/power/Kconfig"
  2172. endmenu
  2173. config MIPS_EXTERNAL_TIMER
  2174. bool
  2175. if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
  2176. menu "CPU Power Management"
  2177. source "drivers/cpufreq/Kconfig"
  2178. endmenu
  2179. endif
  2180. source "net/Kconfig"
  2181. source "drivers/Kconfig"
  2182. source "drivers/firmware/Kconfig"
  2183. source "fs/Kconfig"
  2184. source "arch/mips/Kconfig.debug"
  2185. source "security/Kconfig"
  2186. source "crypto/Kconfig"
  2187. source "lib/Kconfig"
  2188. source "arch/mips/kvm/Kconfig"