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 HAVE_ARCH_TRACEHOOK
  12. select ARCH_HAVE_CUSTOM_GPIO_H
  13. select HAVE_FUNCTION_TRACER
  14. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  15. select HAVE_DYNAMIC_FTRACE
  16. select HAVE_FTRACE_MCOUNT_RECORD
  17. select HAVE_C_RECORDMCOUNT
  18. select HAVE_FUNCTION_GRAPH_TRACER
  19. select HAVE_KPROBES
  20. select HAVE_KRETPROBES
  21. select HAVE_DEBUG_KMEMLEAK
  22. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  23. select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
  24. select RTC_LIB if !MACH_LOONGSON
  25. select GENERIC_ATOMIC64 if !64BIT
  26. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  27. select HAVE_DMA_ATTRS
  28. select HAVE_DMA_API_DEBUG
  29. select GENERIC_IRQ_PROBE
  30. select GENERIC_IRQ_SHOW
  31. select GENERIC_PCI_IOMAP
  32. select HAVE_ARCH_JUMP_LABEL
  33. select ARCH_WANT_IPC_PARSE_VERSION
  34. select IRQ_FORCED_THREADING
  35. select HAVE_MEMBLOCK
  36. select HAVE_MEMBLOCK_NODE_MAP
  37. select ARCH_DISCARD_MEMBLOCK
  38. select GENERIC_SMP_IDLE_THREAD
  39. select BUILDTIME_EXTABLE_SORT
  40. select GENERIC_CLOCKEVENTS
  41. select GENERIC_CMOS_UPDATE
  42. select HAVE_MOD_ARCH_SPECIFIC
  43. select VIRT_TO_BUS
  44. select MODULES_USE_ELF_REL if MODULES
  45. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  46. select CLONE_BACKWARDS
  47. select HAVE_DEBUG_STACKOVERFLOW
  48. menu "Machine selection"
  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 CLKDEV_LOOKUP
  94. select IRQ_CPU
  95. select MIPS_MACHINE
  96. select SYS_HAS_CPU_MIPS32_R2
  97. select SYS_HAS_EARLY_PRINTK
  98. select SYS_SUPPORTS_32BIT_KERNEL
  99. select SYS_SUPPORTS_BIG_ENDIAN
  100. help
  101. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  102. config BCM47XX
  103. bool "Broadcom BCM47XX based boards"
  104. select ARCH_WANT_OPTIONAL_GPIOLIB
  105. select BOOT_RAW
  106. select CEVT_R4K
  107. select CSRC_R4K
  108. select DMA_NONCOHERENT
  109. select FW_CFE
  110. select HW_HAS_PCI
  111. select IRQ_CPU
  112. select SYS_HAS_CPU_MIPS32_R1
  113. select NO_EXCEPT_FILL
  114. select SYS_SUPPORTS_32BIT_KERNEL
  115. select SYS_SUPPORTS_LITTLE_ENDIAN
  116. select SYS_HAS_EARLY_PRINTK
  117. help
  118. Support for BCM47XX based boards
  119. config BCM63XX
  120. bool "Broadcom BCM63XX based boards"
  121. select BOOT_RAW
  122. select CEVT_R4K
  123. select CSRC_R4K
  124. select DMA_NONCOHERENT
  125. select IRQ_CPU
  126. select SYS_HAS_CPU_MIPS32_R1
  127. select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
  128. select SYS_SUPPORTS_32BIT_KERNEL
  129. select SYS_SUPPORTS_BIG_ENDIAN
  130. select SYS_HAS_EARLY_PRINTK
  131. select SWAP_IO_SPACE
  132. select ARCH_REQUIRE_GPIOLIB
  133. select HAVE_CLK
  134. help
  135. Support for BCM63XX based boards
  136. config MIPS_COBALT
  137. bool "Cobalt Server"
  138. select CEVT_R4K
  139. select CSRC_R4K
  140. select CEVT_GT641XX
  141. select DMA_NONCOHERENT
  142. select EARLY_PRINTK_8250 if EARLY_PRINTK
  143. select HW_HAS_PCI
  144. select I8253
  145. select I8259
  146. select IRQ_CPU
  147. select IRQ_GT641XX
  148. select PCI_GT64XXX_PCI0
  149. select PCI
  150. select SYS_HAS_CPU_NEVADA
  151. select SYS_HAS_EARLY_PRINTK
  152. select SYS_SUPPORTS_32BIT_KERNEL
  153. select SYS_SUPPORTS_64BIT_KERNEL
  154. select SYS_SUPPORTS_LITTLE_ENDIAN
  155. config MACH_DECSTATION
  156. bool "DECstations"
  157. select BOOT_ELF32
  158. select CEVT_DS1287
  159. select CEVT_R4K
  160. select CSRC_IOASIC
  161. select CSRC_R4K
  162. select CPU_DADDI_WORKAROUNDS if 64BIT
  163. select CPU_R4000_WORKAROUNDS if 64BIT
  164. select CPU_R4400_WORKAROUNDS if 64BIT
  165. select DMA_NONCOHERENT
  166. select NO_IOPORT
  167. select IRQ_CPU
  168. select SYS_HAS_CPU_R3000
  169. select SYS_HAS_CPU_R4X00
  170. select SYS_SUPPORTS_32BIT_KERNEL
  171. select SYS_SUPPORTS_64BIT_KERNEL
  172. select SYS_SUPPORTS_LITTLE_ENDIAN
  173. select SYS_SUPPORTS_128HZ
  174. select SYS_SUPPORTS_256HZ
  175. select SYS_SUPPORTS_1024HZ
  176. help
  177. This enables support for DEC's MIPS based workstations. For details
  178. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  179. DECstation porting pages on <http://decstation.unix-ag.org/>.
  180. If you have one of the following DECstation Models you definitely
  181. want to choose R4xx0 for the CPU Type:
  182. DECstation 5000/50
  183. DECstation 5000/150
  184. DECstation 5000/260
  185. DECsystem 5900/260
  186. otherwise choose R3000.
  187. config MACH_JAZZ
  188. bool "Jazz family of machines"
  189. select FW_ARC
  190. select FW_ARC32
  191. select ARCH_MAY_HAVE_PC_FDC
  192. select CEVT_R4K
  193. select CSRC_R4K
  194. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  195. select GENERIC_ISA_DMA
  196. select HAVE_PCSPKR_PLATFORM
  197. select IRQ_CPU
  198. select I8253
  199. select I8259
  200. select ISA
  201. select SYS_HAS_CPU_R4X00
  202. select SYS_SUPPORTS_32BIT_KERNEL
  203. select SYS_SUPPORTS_64BIT_KERNEL
  204. select SYS_SUPPORTS_100HZ
  205. help
  206. This a family of machines based on the MIPS R4030 chipset which was
  207. used by several vendors to build RISC/os and Windows NT workstations.
  208. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  209. Olivetti M700-10 workstations.
  210. config MACH_JZ4740
  211. bool "Ingenic JZ4740 based machines"
  212. select SYS_HAS_CPU_MIPS32_R1
  213. select SYS_SUPPORTS_32BIT_KERNEL
  214. select SYS_SUPPORTS_LITTLE_ENDIAN
  215. select SYS_SUPPORTS_ZBOOT_UART16550
  216. select DMA_NONCOHERENT
  217. select IRQ_CPU
  218. select ARCH_REQUIRE_GPIOLIB
  219. select SYS_HAS_EARLY_PRINTK
  220. select HAVE_PWM
  221. select HAVE_CLK
  222. select GENERIC_IRQ_CHIP
  223. config LANTIQ
  224. bool "Lantiq based platforms"
  225. select DMA_NONCOHERENT
  226. select IRQ_CPU
  227. select CEVT_R4K
  228. select CSRC_R4K
  229. select SYS_HAS_CPU_MIPS32_R1
  230. select SYS_HAS_CPU_MIPS32_R2
  231. select SYS_SUPPORTS_BIG_ENDIAN
  232. select SYS_SUPPORTS_32BIT_KERNEL
  233. select SYS_SUPPORTS_MULTITHREADING
  234. select SYS_HAS_EARLY_PRINTK
  235. select ARCH_REQUIRE_GPIOLIB
  236. select SWAP_IO_SPACE
  237. select BOOT_RAW
  238. select HAVE_MACH_CLKDEV
  239. select CLKDEV_LOOKUP
  240. select USE_OF
  241. select PINCTRL
  242. select PINCTRL_LANTIQ
  243. config LASAT
  244. bool "LASAT Networks platforms"
  245. select CEVT_R4K
  246. select CSRC_R4K
  247. select DMA_NONCOHERENT
  248. select SYS_HAS_EARLY_PRINTK
  249. select HW_HAS_PCI
  250. select IRQ_CPU
  251. select PCI_GT64XXX_PCI0
  252. select MIPS_NILE4
  253. select R5000_CPU_SCACHE
  254. select SYS_HAS_CPU_R5000
  255. select SYS_SUPPORTS_32BIT_KERNEL
  256. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  257. select SYS_SUPPORTS_LITTLE_ENDIAN
  258. config MACH_LOONGSON
  259. bool "Loongson family of machines"
  260. select SYS_SUPPORTS_ZBOOT
  261. help
  262. This enables the support of Loongson family of machines.
  263. Loongson is a family of general-purpose MIPS-compatible CPUs.
  264. developed at Institute of Computing Technology (ICT),
  265. Chinese Academy of Sciences (CAS) in the People's Republic
  266. of China. The chief architect is Professor Weiwu Hu.
  267. config MACH_LOONGSON1
  268. bool "Loongson 1 family of machines"
  269. select SYS_SUPPORTS_ZBOOT
  270. help
  271. This enables support for the Loongson 1 based machines.
  272. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  273. the ICT (Institute of Computing Technology) and the Chinese Academy
  274. of Sciences.
  275. config MIPS_MALTA
  276. bool "MIPS Malta board"
  277. select ARCH_MAY_HAVE_PC_FDC
  278. select BOOT_ELF32
  279. select BOOT_RAW
  280. select CEVT_R4K
  281. select CSRC_R4K
  282. select CSRC_GIC
  283. select DMA_NONCOHERENT
  284. select GENERIC_ISA_DMA
  285. select HAVE_PCSPKR_PLATFORM
  286. select IRQ_CPU
  287. select IRQ_GIC
  288. select HW_HAS_PCI
  289. select I8253
  290. select I8259
  291. select MIPS_BONITO64
  292. select MIPS_CPU_SCACHE
  293. select PCI_GT64XXX_PCI0
  294. select MIPS_MSC
  295. select SWAP_IO_SPACE
  296. select SYS_HAS_CPU_MIPS32_R1
  297. select SYS_HAS_CPU_MIPS32_R2
  298. select SYS_HAS_CPU_MIPS64_R1
  299. select SYS_HAS_CPU_MIPS64_R2
  300. select SYS_HAS_CPU_NEVADA
  301. select SYS_HAS_CPU_RM7000
  302. select SYS_HAS_EARLY_PRINTK
  303. select SYS_SUPPORTS_32BIT_KERNEL
  304. select SYS_SUPPORTS_64BIT_KERNEL
  305. select SYS_SUPPORTS_BIG_ENDIAN
  306. select SYS_SUPPORTS_LITTLE_ENDIAN
  307. select SYS_SUPPORTS_MIPS_CMP
  308. select SYS_SUPPORTS_MULTITHREADING
  309. select SYS_SUPPORTS_SMARTMIPS
  310. select SYS_SUPPORTS_ZBOOT
  311. help
  312. This enables support for the MIPS Technologies Malta evaluation
  313. board.
  314. config MIPS_SEAD3
  315. bool "MIPS SEAD3 board"
  316. select BOOT_ELF32
  317. select BOOT_RAW
  318. select CEVT_R4K
  319. select CSRC_R4K
  320. select CSRC_GIC
  321. select CPU_MIPSR2_IRQ_VI
  322. select CPU_MIPSR2_IRQ_EI
  323. select DMA_NONCOHERENT
  324. select IRQ_CPU
  325. select IRQ_GIC
  326. select MIPS_MSC
  327. select SYS_HAS_CPU_MIPS32_R1
  328. select SYS_HAS_CPU_MIPS32_R2
  329. select SYS_HAS_CPU_MIPS64_R1
  330. select SYS_HAS_EARLY_PRINTK
  331. select SYS_SUPPORTS_32BIT_KERNEL
  332. select SYS_SUPPORTS_64BIT_KERNEL
  333. select SYS_SUPPORTS_BIG_ENDIAN
  334. select SYS_SUPPORTS_LITTLE_ENDIAN
  335. select SYS_SUPPORTS_SMARTMIPS
  336. select SYS_SUPPORTS_MICROMIPS
  337. select USB_ARCH_HAS_EHCI
  338. select USB_EHCI_BIG_ENDIAN_DESC
  339. select USB_EHCI_BIG_ENDIAN_MMIO
  340. select USE_OF
  341. help
  342. This enables support for the MIPS Technologies SEAD3 evaluation
  343. board.
  344. config NEC_MARKEINS
  345. bool "NEC EMMA2RH Mark-eins board"
  346. select SOC_EMMA2RH
  347. select HW_HAS_PCI
  348. help
  349. This enables support for the NEC Electronics Mark-eins boards.
  350. config MACH_VR41XX
  351. bool "NEC VR4100 series based machines"
  352. select CEVT_R4K
  353. select CSRC_R4K
  354. select SYS_HAS_CPU_VR41XX
  355. select ARCH_REQUIRE_GPIOLIB
  356. config NXP_STB220
  357. bool "NXP STB220 board"
  358. select SOC_PNX833X
  359. help
  360. Support for NXP Semiconductors STB220 Development Board.
  361. config NXP_STB225
  362. bool "NXP 225 board"
  363. select SOC_PNX833X
  364. select SOC_PNX8335
  365. help
  366. Support for NXP Semiconductors STB225 Development Board.
  367. config PMC_MSP
  368. bool "PMC-Sierra MSP chipsets"
  369. select CEVT_R4K
  370. select CSRC_R4K
  371. select DMA_NONCOHERENT
  372. select SWAP_IO_SPACE
  373. select NO_EXCEPT_FILL
  374. select BOOT_RAW
  375. select SYS_HAS_CPU_MIPS32_R1
  376. select SYS_HAS_CPU_MIPS32_R2
  377. select SYS_SUPPORTS_32BIT_KERNEL
  378. select SYS_SUPPORTS_BIG_ENDIAN
  379. select IRQ_CPU
  380. select SERIAL_8250
  381. select SERIAL_8250_CONSOLE
  382. select USB_EHCI_BIG_ENDIAN_MMIO
  383. select USB_EHCI_BIG_ENDIAN_DESC
  384. help
  385. This adds support for the PMC-Sierra family of Multi-Service
  386. Processor System-On-A-Chips. These parts include a number
  387. of integrated peripherals, interfaces and DSPs in addition to
  388. a variety of MIPS cores.
  389. config POWERTV
  390. bool "Cisco PowerTV"
  391. select BOOT_ELF32
  392. select CEVT_R4K
  393. select CPU_MIPSR2_IRQ_VI
  394. select CPU_MIPSR2_IRQ_EI
  395. select CSRC_POWERTV
  396. select DMA_NONCOHERENT
  397. select HW_HAS_PCI
  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 RALINK
  406. bool "Ralink based machines"
  407. select CEVT_R4K
  408. select CSRC_R4K
  409. select BOOT_RAW
  410. select DMA_NONCOHERENT
  411. select IRQ_CPU
  412. select USE_OF
  413. select SYS_HAS_CPU_MIPS32_R1
  414. select SYS_HAS_CPU_MIPS32_R2
  415. select SYS_SUPPORTS_32BIT_KERNEL
  416. select SYS_SUPPORTS_LITTLE_ENDIAN
  417. select SYS_HAS_EARLY_PRINTK
  418. select HAVE_MACH_CLKDEV
  419. select CLKDEV_LOOKUP
  420. select ARCH_HAS_RESET_CONTROLLER
  421. select RESET_CONTROLLER
  422. config SGI_IP22
  423. bool "SGI IP22 (Indy/Indigo2)"
  424. select FW_ARC
  425. select FW_ARC32
  426. select BOOT_ELF32
  427. select CEVT_R4K
  428. select CSRC_R4K
  429. select DEFAULT_SGI_PARTITION
  430. select DMA_NONCOHERENT
  431. select HW_HAS_EISA
  432. select I8253
  433. select I8259
  434. select IP22_CPU_SCACHE
  435. select IRQ_CPU
  436. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  437. select SGI_HAS_I8042
  438. select SGI_HAS_INDYDOG
  439. select SGI_HAS_HAL2
  440. select SGI_HAS_SEEQ
  441. select SGI_HAS_WD93
  442. select SGI_HAS_ZILOG
  443. select SWAP_IO_SPACE
  444. select SYS_HAS_CPU_R4X00
  445. select SYS_HAS_CPU_R5000
  446. #
  447. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  448. # memory during early boot on some machines.
  449. #
  450. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  451. # for a more details discussion
  452. #
  453. # select SYS_HAS_EARLY_PRINTK
  454. select SYS_SUPPORTS_32BIT_KERNEL
  455. select SYS_SUPPORTS_64BIT_KERNEL
  456. select SYS_SUPPORTS_BIG_ENDIAN
  457. help
  458. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  459. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  460. that runs on these, say Y here.
  461. config SGI_IP27
  462. bool "SGI IP27 (Origin200/2000)"
  463. select FW_ARC
  464. select FW_ARC64
  465. select BOOT_ELF64
  466. select DEFAULT_SGI_PARTITION
  467. select DMA_COHERENT
  468. select SYS_HAS_EARLY_PRINTK
  469. select HW_HAS_PCI
  470. select NR_CPUS_DEFAULT_64
  471. select SYS_HAS_CPU_R10000
  472. select SYS_SUPPORTS_64BIT_KERNEL
  473. select SYS_SUPPORTS_BIG_ENDIAN
  474. select SYS_SUPPORTS_NUMA
  475. select SYS_SUPPORTS_SMP
  476. help
  477. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  478. workstations. To compile a Linux kernel that runs on these, say Y
  479. here.
  480. config SGI_IP28
  481. bool "SGI IP28 (Indigo2 R10k)"
  482. select FW_ARC
  483. select FW_ARC64
  484. select BOOT_ELF64
  485. select CEVT_R4K
  486. select CSRC_R4K
  487. select DEFAULT_SGI_PARTITION
  488. select DMA_NONCOHERENT
  489. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  490. select IRQ_CPU
  491. select HW_HAS_EISA
  492. select I8253
  493. select I8259
  494. select SGI_HAS_I8042
  495. select SGI_HAS_INDYDOG
  496. select SGI_HAS_HAL2
  497. select SGI_HAS_SEEQ
  498. select SGI_HAS_WD93
  499. select SGI_HAS_ZILOG
  500. select SWAP_IO_SPACE
  501. select SYS_HAS_CPU_R10000
  502. #
  503. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  504. # memory during early boot on some machines.
  505. #
  506. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  507. # for a more details discussion
  508. #
  509. # select SYS_HAS_EARLY_PRINTK
  510. select SYS_SUPPORTS_64BIT_KERNEL
  511. select SYS_SUPPORTS_BIG_ENDIAN
  512. help
  513. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  514. kernel that runs on these, say Y here.
  515. config SGI_IP32
  516. bool "SGI IP32 (O2)"
  517. select FW_ARC
  518. select FW_ARC32
  519. select BOOT_ELF32
  520. select CEVT_R4K
  521. select CSRC_R4K
  522. select DMA_NONCOHERENT
  523. select HW_HAS_PCI
  524. select IRQ_CPU
  525. select R5000_CPU_SCACHE
  526. select RM7000_CPU_SCACHE
  527. select SYS_HAS_CPU_R5000
  528. select SYS_HAS_CPU_R10000 if BROKEN
  529. select SYS_HAS_CPU_RM7000
  530. select SYS_HAS_CPU_NEVADA
  531. select SYS_SUPPORTS_64BIT_KERNEL
  532. select SYS_SUPPORTS_BIG_ENDIAN
  533. help
  534. If you want this kernel to run on SGI O2 workstation, say Y here.
  535. config SIBYTE_CRHINE
  536. bool "Sibyte BCM91120C-CRhine"
  537. select BOOT_ELF32
  538. select DMA_COHERENT
  539. select SIBYTE_BCM1120
  540. select SWAP_IO_SPACE
  541. select SYS_HAS_CPU_SB1
  542. select SYS_SUPPORTS_BIG_ENDIAN
  543. select SYS_SUPPORTS_LITTLE_ENDIAN
  544. config SIBYTE_CARMEL
  545. bool "Sibyte BCM91120x-Carmel"
  546. select BOOT_ELF32
  547. select DMA_COHERENT
  548. select SIBYTE_BCM1120
  549. select SWAP_IO_SPACE
  550. select SYS_HAS_CPU_SB1
  551. select SYS_SUPPORTS_BIG_ENDIAN
  552. select SYS_SUPPORTS_LITTLE_ENDIAN
  553. config SIBYTE_CRHONE
  554. bool "Sibyte BCM91125C-CRhone"
  555. select BOOT_ELF32
  556. select DMA_COHERENT
  557. select SIBYTE_BCM1125
  558. select SWAP_IO_SPACE
  559. select SYS_HAS_CPU_SB1
  560. select SYS_SUPPORTS_BIG_ENDIAN
  561. select SYS_SUPPORTS_HIGHMEM
  562. select SYS_SUPPORTS_LITTLE_ENDIAN
  563. config SIBYTE_RHONE
  564. bool "Sibyte BCM91125E-Rhone"
  565. select BOOT_ELF32
  566. select DMA_COHERENT
  567. select SIBYTE_BCM1125H
  568. select SWAP_IO_SPACE
  569. select SYS_HAS_CPU_SB1
  570. select SYS_SUPPORTS_BIG_ENDIAN
  571. select SYS_SUPPORTS_LITTLE_ENDIAN
  572. config SIBYTE_SWARM
  573. bool "Sibyte BCM91250A-SWARM"
  574. select BOOT_ELF32
  575. select DMA_COHERENT
  576. select HAVE_PATA_PLATFORM
  577. select SIBYTE_SB1250
  578. select SWAP_IO_SPACE
  579. select SYS_HAS_CPU_SB1
  580. select SYS_SUPPORTS_BIG_ENDIAN
  581. select SYS_SUPPORTS_HIGHMEM
  582. select SYS_SUPPORTS_LITTLE_ENDIAN
  583. select ZONE_DMA32 if 64BIT
  584. config SIBYTE_LITTLESUR
  585. bool "Sibyte BCM91250C2-LittleSur"
  586. select BOOT_ELF32
  587. select DMA_COHERENT
  588. select HAVE_PATA_PLATFORM
  589. select SIBYTE_SB1250
  590. select SWAP_IO_SPACE
  591. select SYS_HAS_CPU_SB1
  592. select SYS_SUPPORTS_BIG_ENDIAN
  593. select SYS_SUPPORTS_HIGHMEM
  594. select SYS_SUPPORTS_LITTLE_ENDIAN
  595. config SIBYTE_SENTOSA
  596. bool "Sibyte BCM91250E-Sentosa"
  597. select BOOT_ELF32
  598. select DMA_COHERENT
  599. select SIBYTE_SB1250
  600. select SWAP_IO_SPACE
  601. select SYS_HAS_CPU_SB1
  602. select SYS_SUPPORTS_BIG_ENDIAN
  603. select SYS_SUPPORTS_LITTLE_ENDIAN
  604. config SIBYTE_BIGSUR
  605. bool "Sibyte BCM91480B-BigSur"
  606. select BOOT_ELF32
  607. select DMA_COHERENT
  608. select NR_CPUS_DEFAULT_4
  609. select SIBYTE_BCM1x80
  610. select SWAP_IO_SPACE
  611. select SYS_HAS_CPU_SB1
  612. select SYS_SUPPORTS_BIG_ENDIAN
  613. select SYS_SUPPORTS_HIGHMEM
  614. select SYS_SUPPORTS_LITTLE_ENDIAN
  615. select ZONE_DMA32 if 64BIT
  616. config SNI_RM
  617. bool "SNI RM200/300/400"
  618. select FW_ARC if CPU_LITTLE_ENDIAN
  619. select FW_ARC32 if CPU_LITTLE_ENDIAN
  620. select FW_SNIPROM if CPU_BIG_ENDIAN
  621. select ARCH_MAY_HAVE_PC_FDC
  622. select BOOT_ELF32
  623. select CEVT_R4K
  624. select CSRC_R4K
  625. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  626. select DMA_NONCOHERENT
  627. select GENERIC_ISA_DMA
  628. select HAVE_PCSPKR_PLATFORM
  629. select HW_HAS_EISA
  630. select HW_HAS_PCI
  631. select IRQ_CPU
  632. select I8253
  633. select I8259
  634. select ISA
  635. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  636. select SYS_HAS_CPU_R4X00
  637. select SYS_HAS_CPU_R5000
  638. select SYS_HAS_CPU_R10000
  639. select R5000_CPU_SCACHE
  640. select SYS_HAS_EARLY_PRINTK
  641. select SYS_SUPPORTS_32BIT_KERNEL
  642. select SYS_SUPPORTS_64BIT_KERNEL
  643. select SYS_SUPPORTS_BIG_ENDIAN
  644. select SYS_SUPPORTS_HIGHMEM
  645. select SYS_SUPPORTS_LITTLE_ENDIAN
  646. help
  647. The SNI RM200/300/400 are MIPS-based machines manufactured by
  648. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  649. Technology and now in turn merged with Fujitsu. Say Y here to
  650. support this machine type.
  651. config MACH_TX39XX
  652. bool "Toshiba TX39 series based machines"
  653. config MACH_TX49XX
  654. bool "Toshiba TX49 series based machines"
  655. config MIKROTIK_RB532
  656. bool "Mikrotik RB532 boards"
  657. select CEVT_R4K
  658. select CSRC_R4K
  659. select DMA_NONCOHERENT
  660. select HW_HAS_PCI
  661. select IRQ_CPU
  662. select SYS_HAS_CPU_MIPS32_R1
  663. select SYS_SUPPORTS_32BIT_KERNEL
  664. select SYS_SUPPORTS_LITTLE_ENDIAN
  665. select SWAP_IO_SPACE
  666. select BOOT_RAW
  667. select ARCH_REQUIRE_GPIOLIB
  668. help
  669. Support the Mikrotik(tm) RouterBoard 532 series,
  670. based on the IDT RC32434 SoC.
  671. config CAVIUM_OCTEON_SOC
  672. bool "Cavium Networks Octeon SoC based boards"
  673. select CEVT_R4K
  674. select 64BIT_PHYS_ADDR
  675. select DMA_COHERENT
  676. select SYS_SUPPORTS_64BIT_KERNEL
  677. select SYS_SUPPORTS_BIG_ENDIAN
  678. select EDAC_SUPPORT
  679. select SYS_SUPPORTS_HOTPLUG_CPU
  680. select SYS_HAS_EARLY_PRINTK
  681. select SYS_HAS_CPU_CAVIUM_OCTEON
  682. select SWAP_IO_SPACE
  683. select HW_HAS_PCI
  684. select ZONE_DMA32
  685. select USB_ARCH_HAS_OHCI
  686. select USB_ARCH_HAS_EHCI
  687. select HOLES_IN_ZONE
  688. select ARCH_REQUIRE_GPIOLIB
  689. help
  690. This option supports all of the Octeon reference boards from Cavium
  691. Networks. It builds a kernel that dynamically determines the Octeon
  692. CPU type and supports all known board reference implementations.
  693. Some of the supported boards are:
  694. EBT3000
  695. EBH3000
  696. EBH3100
  697. Thunder
  698. Kodama
  699. Hikari
  700. Say Y here for most Octeon reference boards.
  701. config NLM_XLR_BOARD
  702. bool "Netlogic XLR/XLS based systems"
  703. select BOOT_ELF32
  704. select NLM_COMMON
  705. select SYS_HAS_CPU_XLR
  706. select SYS_SUPPORTS_SMP
  707. select HW_HAS_PCI
  708. select SWAP_IO_SPACE
  709. select SYS_SUPPORTS_32BIT_KERNEL
  710. select SYS_SUPPORTS_64BIT_KERNEL
  711. select 64BIT_PHYS_ADDR
  712. select SYS_SUPPORTS_BIG_ENDIAN
  713. select SYS_SUPPORTS_HIGHMEM
  714. select DMA_COHERENT
  715. select NR_CPUS_DEFAULT_32
  716. select CEVT_R4K
  717. select CSRC_R4K
  718. select IRQ_CPU
  719. select ZONE_DMA32 if 64BIT
  720. select SYNC_R4K
  721. select SYS_HAS_EARLY_PRINTK
  722. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  723. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  724. select SYS_SUPPORTS_ZBOOT
  725. select SYS_SUPPORTS_ZBOOT_UART16550
  726. help
  727. Support for systems based on Netlogic XLR and XLS processors.
  728. Say Y here if you have a XLR or XLS based board.
  729. config NLM_XLP_BOARD
  730. bool "Netlogic XLP based systems"
  731. select BOOT_ELF32
  732. select NLM_COMMON
  733. select SYS_HAS_CPU_XLP
  734. select SYS_SUPPORTS_SMP
  735. select HW_HAS_PCI
  736. select SYS_SUPPORTS_32BIT_KERNEL
  737. select SYS_SUPPORTS_64BIT_KERNEL
  738. select 64BIT_PHYS_ADDR
  739. select SYS_SUPPORTS_BIG_ENDIAN
  740. select SYS_SUPPORTS_LITTLE_ENDIAN
  741. select SYS_SUPPORTS_HIGHMEM
  742. select DMA_COHERENT
  743. select NR_CPUS_DEFAULT_32
  744. select CEVT_R4K
  745. select CSRC_R4K
  746. select IRQ_CPU
  747. select ZONE_DMA32 if 64BIT
  748. select SYNC_R4K
  749. select SYS_HAS_EARLY_PRINTK
  750. select USE_OF
  751. select SYS_SUPPORTS_ZBOOT
  752. select SYS_SUPPORTS_ZBOOT_UART16550
  753. help
  754. This board is based on Netlogic XLP Processor.
  755. Say Y here if you have a XLP based board.
  756. endchoice
  757. source "arch/mips/alchemy/Kconfig"
  758. source "arch/mips/ath79/Kconfig"
  759. source "arch/mips/bcm47xx/Kconfig"
  760. source "arch/mips/bcm63xx/Kconfig"
  761. source "arch/mips/jazz/Kconfig"
  762. source "arch/mips/jz4740/Kconfig"
  763. source "arch/mips/lantiq/Kconfig"
  764. source "arch/mips/lasat/Kconfig"
  765. source "arch/mips/pmcs-msp71xx/Kconfig"
  766. source "arch/mips/powertv/Kconfig"
  767. source "arch/mips/ralink/Kconfig"
  768. source "arch/mips/sgi-ip27/Kconfig"
  769. source "arch/mips/sibyte/Kconfig"
  770. source "arch/mips/txx9/Kconfig"
  771. source "arch/mips/vr41xx/Kconfig"
  772. source "arch/mips/cavium-octeon/Kconfig"
  773. source "arch/mips/loongson/Kconfig"
  774. source "arch/mips/loongson1/Kconfig"
  775. source "arch/mips/netlogic/Kconfig"
  776. endmenu
  777. config RWSEM_GENERIC_SPINLOCK
  778. bool
  779. default y
  780. config RWSEM_XCHGADD_ALGORITHM
  781. bool
  782. config ARCH_HAS_ILOG2_U32
  783. bool
  784. default n
  785. config ARCH_HAS_ILOG2_U64
  786. bool
  787. default n
  788. config GENERIC_HWEIGHT
  789. bool
  790. default y
  791. config GENERIC_CALIBRATE_DELAY
  792. bool
  793. default y
  794. config SCHED_OMIT_FRAME_POINTER
  795. bool
  796. default y
  797. #
  798. # Select some configuration options automatically based on user selections.
  799. #
  800. config FW_ARC
  801. bool
  802. config ARCH_MAY_HAVE_PC_FDC
  803. bool
  804. config BOOT_RAW
  805. bool
  806. config CEVT_BCM1480
  807. bool
  808. config CEVT_DS1287
  809. bool
  810. config CEVT_GT641XX
  811. bool
  812. config CEVT_R4K
  813. bool
  814. config CEVT_GIC
  815. bool
  816. config CEVT_SB1250
  817. bool
  818. config CEVT_TXX9
  819. bool
  820. config CSRC_BCM1480
  821. bool
  822. config CSRC_IOASIC
  823. bool
  824. config CSRC_POWERTV
  825. bool
  826. config CSRC_R4K
  827. bool
  828. config CSRC_GIC
  829. bool
  830. config CSRC_SB1250
  831. bool
  832. config GPIO_TXX9
  833. select ARCH_REQUIRE_GPIOLIB
  834. bool
  835. config FW_CFE
  836. bool
  837. config ARCH_DMA_ADDR_T_64BIT
  838. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  839. config DMA_COHERENT
  840. bool
  841. config DMA_NONCOHERENT
  842. bool
  843. select NEED_DMA_MAP_STATE
  844. config NEED_DMA_MAP_STATE
  845. bool
  846. config SYS_HAS_EARLY_PRINTK
  847. bool
  848. config HOTPLUG_CPU
  849. bool "Support for hot-pluggable CPUs"
  850. depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
  851. help
  852. Say Y here to allow turning CPUs off and on. CPUs can be
  853. controlled through /sys/devices/system/cpu.
  854. (Note: power management support will enable this option
  855. automatically on SMP systems. )
  856. Say N if you want to disable CPU hotplug.
  857. config SYS_SUPPORTS_HOTPLUG_CPU
  858. bool
  859. config I8259
  860. bool
  861. config MIPS_BONITO64
  862. bool
  863. config MIPS_MSC
  864. bool
  865. config MIPS_NILE4
  866. bool
  867. config SYNC_R4K
  868. bool
  869. config MIPS_MACHINE
  870. def_bool n
  871. config NO_IOPORT
  872. def_bool n
  873. config GENERIC_ISA_DMA
  874. bool
  875. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  876. select ISA_DMA_API
  877. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  878. bool
  879. select GENERIC_ISA_DMA
  880. config ISA_DMA_API
  881. bool
  882. config HOLES_IN_ZONE
  883. bool
  884. #
  885. # Endianness selection. Sufficiently obscure so many users don't know what to
  886. # answer,so we try hard to limit the available choices. Also the use of a
  887. # choice statement should be more obvious to the user.
  888. #
  889. choice
  890. prompt "Endianness selection"
  891. help
  892. Some MIPS machines can be configured for either little or big endian
  893. byte order. These modes require different kernels and a different
  894. Linux distribution. In general there is one preferred byteorder for a
  895. particular system but some systems are just as commonly used in the
  896. one or the other endianness.
  897. config CPU_BIG_ENDIAN
  898. bool "Big endian"
  899. depends on SYS_SUPPORTS_BIG_ENDIAN
  900. config CPU_LITTLE_ENDIAN
  901. bool "Little endian"
  902. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  903. endchoice
  904. config EXPORT_UASM
  905. bool
  906. config SYS_SUPPORTS_APM_EMULATION
  907. bool
  908. config SYS_SUPPORTS_BIG_ENDIAN
  909. bool
  910. config SYS_SUPPORTS_LITTLE_ENDIAN
  911. bool
  912. config SYS_SUPPORTS_HUGETLBFS
  913. bool
  914. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  915. default y
  916. config MIPS_HUGE_TLB_SUPPORT
  917. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  918. config IRQ_CPU
  919. bool
  920. config IRQ_CPU_RM7K
  921. bool
  922. config IRQ_MSP_SLP
  923. bool
  924. config IRQ_MSP_CIC
  925. bool
  926. config IRQ_TXX9
  927. bool
  928. config IRQ_GT641XX
  929. bool
  930. config IRQ_GIC
  931. bool
  932. config PCI_GT64XXX_PCI0
  933. bool
  934. config NO_EXCEPT_FILL
  935. bool
  936. config SOC_EMMA2RH
  937. bool
  938. select CEVT_R4K
  939. select CSRC_R4K
  940. select DMA_NONCOHERENT
  941. select IRQ_CPU
  942. select SWAP_IO_SPACE
  943. select SYS_HAS_CPU_R5500
  944. select SYS_SUPPORTS_32BIT_KERNEL
  945. select SYS_SUPPORTS_64BIT_KERNEL
  946. select SYS_SUPPORTS_BIG_ENDIAN
  947. config SOC_PNX833X
  948. bool
  949. select CEVT_R4K
  950. select CSRC_R4K
  951. select IRQ_CPU
  952. select DMA_NONCOHERENT
  953. select SYS_HAS_CPU_MIPS32_R2
  954. select SYS_SUPPORTS_32BIT_KERNEL
  955. select SYS_SUPPORTS_LITTLE_ENDIAN
  956. select SYS_SUPPORTS_BIG_ENDIAN
  957. select CPU_MIPSR2_IRQ_VI
  958. config SOC_PNX8335
  959. bool
  960. select SOC_PNX833X
  961. config SWAP_IO_SPACE
  962. bool
  963. config SGI_HAS_INDYDOG
  964. bool
  965. config SGI_HAS_HAL2
  966. bool
  967. config SGI_HAS_SEEQ
  968. bool
  969. config SGI_HAS_WD93
  970. bool
  971. config SGI_HAS_ZILOG
  972. bool
  973. config SGI_HAS_I8042
  974. bool
  975. config DEFAULT_SGI_PARTITION
  976. bool
  977. config FW_ARC32
  978. bool
  979. config FW_SNIPROM
  980. bool
  981. config BOOT_ELF32
  982. bool
  983. config MIPS_L1_CACHE_SHIFT
  984. int
  985. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
  986. default "6" if MIPS_CPU_SCACHE
  987. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  988. default "5"
  989. config HAVE_STD_PC_SERIAL_PORT
  990. bool
  991. config ARC_CONSOLE
  992. bool "ARC console support"
  993. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  994. config ARC_MEMORY
  995. bool
  996. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  997. default y
  998. config ARC_PROMLIB
  999. bool
  1000. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1001. default y
  1002. config FW_ARC64
  1003. bool
  1004. config BOOT_ELF64
  1005. bool
  1006. menu "CPU selection"
  1007. choice
  1008. prompt "CPU type"
  1009. default CPU_R4X00
  1010. config CPU_LOONGSON2E
  1011. bool "Loongson 2E"
  1012. depends on SYS_HAS_CPU_LOONGSON2E
  1013. select CPU_LOONGSON2
  1014. help
  1015. The Loongson 2E processor implements the MIPS III instruction set
  1016. with many extensions.
  1017. It has an internal FPGA northbridge, which is compatible to
  1018. bonito64.
  1019. config CPU_LOONGSON2F
  1020. bool "Loongson 2F"
  1021. depends on SYS_HAS_CPU_LOONGSON2F
  1022. select CPU_LOONGSON2
  1023. select ARCH_REQUIRE_GPIOLIB
  1024. help
  1025. The Loongson 2F processor implements the MIPS III instruction set
  1026. with many extensions.
  1027. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1028. have a similar programming interface with FPGA northbridge used in
  1029. Loongson2E.
  1030. config CPU_LOONGSON1B
  1031. bool "Loongson 1B"
  1032. depends on SYS_HAS_CPU_LOONGSON1B
  1033. select CPU_LOONGSON1
  1034. help
  1035. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1036. release 2 instruction set.
  1037. config CPU_MIPS32_R1
  1038. bool "MIPS32 Release 1"
  1039. depends on SYS_HAS_CPU_MIPS32_R1
  1040. select CPU_HAS_PREFETCH
  1041. select CPU_SUPPORTS_32BIT_KERNEL
  1042. select CPU_SUPPORTS_HIGHMEM
  1043. help
  1044. Choose this option to build a kernel for release 1 or later of the
  1045. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1046. MIPS processor are based on a MIPS32 processor. If you know the
  1047. specific type of processor in your system, choose those that one
  1048. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1049. Release 2 of the MIPS32 architecture is available since several
  1050. years so chances are you even have a MIPS32 Release 2 processor
  1051. in which case you should choose CPU_MIPS32_R2 instead for better
  1052. performance.
  1053. config CPU_MIPS32_R2
  1054. bool "MIPS32 Release 2"
  1055. depends on SYS_HAS_CPU_MIPS32_R2
  1056. select CPU_HAS_PREFETCH
  1057. select CPU_SUPPORTS_32BIT_KERNEL
  1058. select CPU_SUPPORTS_HIGHMEM
  1059. select HAVE_KVM
  1060. help
  1061. Choose this option to build a kernel for release 2 or later of the
  1062. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1063. MIPS processor are based on a MIPS32 processor. If you know the
  1064. specific type of processor in your system, choose those that one
  1065. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1066. config CPU_MIPS64_R1
  1067. bool "MIPS64 Release 1"
  1068. depends on SYS_HAS_CPU_MIPS64_R1
  1069. select CPU_HAS_PREFETCH
  1070. select CPU_SUPPORTS_32BIT_KERNEL
  1071. select CPU_SUPPORTS_64BIT_KERNEL
  1072. select CPU_SUPPORTS_HIGHMEM
  1073. select CPU_SUPPORTS_HUGEPAGES
  1074. help
  1075. Choose this option to build a kernel for release 1 or later of the
  1076. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1077. MIPS processor are based on a MIPS64 processor. If you know the
  1078. specific type of processor in your system, choose those that one
  1079. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1080. Release 2 of the MIPS64 architecture is available since several
  1081. years so chances are you even have a MIPS64 Release 2 processor
  1082. in which case you should choose CPU_MIPS64_R2 instead for better
  1083. performance.
  1084. config CPU_MIPS64_R2
  1085. bool "MIPS64 Release 2"
  1086. depends on SYS_HAS_CPU_MIPS64_R2
  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 2 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. config CPU_R3000
  1099. bool "R3000"
  1100. depends on SYS_HAS_CPU_R3000
  1101. select CPU_HAS_WB
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_HIGHMEM
  1104. help
  1105. Please make sure to pick the right CPU type. Linux/MIPS is not
  1106. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1107. *not* work on R4000 machines and vice versa. However, since most
  1108. of the supported machines have an R4000 (or similar) CPU, R4x00
  1109. might be a safe bet. If the resulting kernel does not work,
  1110. try to recompile with R3000.
  1111. config CPU_TX39XX
  1112. bool "R39XX"
  1113. depends on SYS_HAS_CPU_TX39XX
  1114. select CPU_SUPPORTS_32BIT_KERNEL
  1115. config CPU_VR41XX
  1116. bool "R41xx"
  1117. depends on SYS_HAS_CPU_VR41XX
  1118. select CPU_SUPPORTS_32BIT_KERNEL
  1119. select CPU_SUPPORTS_64BIT_KERNEL
  1120. help
  1121. The options selects support for the NEC VR4100 series of processors.
  1122. Only choose this option if you have one of these processors as a
  1123. kernel built with this option will not run on any other type of
  1124. processor or vice versa.
  1125. config CPU_R4300
  1126. bool "R4300"
  1127. depends on SYS_HAS_CPU_R4300
  1128. select CPU_SUPPORTS_32BIT_KERNEL
  1129. select CPU_SUPPORTS_64BIT_KERNEL
  1130. help
  1131. MIPS Technologies R4300-series processors.
  1132. config CPU_R4X00
  1133. bool "R4x00"
  1134. depends on SYS_HAS_CPU_R4X00
  1135. select CPU_SUPPORTS_32BIT_KERNEL
  1136. select CPU_SUPPORTS_64BIT_KERNEL
  1137. select CPU_SUPPORTS_HUGEPAGES
  1138. help
  1139. MIPS Technologies R4000-series processors other than 4300, including
  1140. the R4000, R4400, R4600, and 4700.
  1141. config CPU_TX49XX
  1142. bool "R49XX"
  1143. depends on SYS_HAS_CPU_TX49XX
  1144. select CPU_HAS_PREFETCH
  1145. select CPU_SUPPORTS_32BIT_KERNEL
  1146. select CPU_SUPPORTS_64BIT_KERNEL
  1147. select CPU_SUPPORTS_HUGEPAGES
  1148. config CPU_R5000
  1149. bool "R5000"
  1150. depends on SYS_HAS_CPU_R5000
  1151. select CPU_SUPPORTS_32BIT_KERNEL
  1152. select CPU_SUPPORTS_64BIT_KERNEL
  1153. select CPU_SUPPORTS_HUGEPAGES
  1154. help
  1155. MIPS Technologies R5000-series processors other than the Nevada.
  1156. config CPU_R5432
  1157. bool "R5432"
  1158. depends on SYS_HAS_CPU_R5432
  1159. select CPU_SUPPORTS_32BIT_KERNEL
  1160. select CPU_SUPPORTS_64BIT_KERNEL
  1161. select CPU_SUPPORTS_HUGEPAGES
  1162. config CPU_R5500
  1163. bool "R5500"
  1164. depends on SYS_HAS_CPU_R5500
  1165. select CPU_SUPPORTS_32BIT_KERNEL
  1166. select CPU_SUPPORTS_64BIT_KERNEL
  1167. select CPU_SUPPORTS_HUGEPAGES
  1168. help
  1169. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1170. instruction set.
  1171. config CPU_R6000
  1172. bool "R6000"
  1173. depends on SYS_HAS_CPU_R6000
  1174. select CPU_SUPPORTS_32BIT_KERNEL
  1175. help
  1176. MIPS Technologies R6000 and R6000A series processors. Note these
  1177. processors are extremely rare and the support for them is incomplete.
  1178. config CPU_NEVADA
  1179. bool "RM52xx"
  1180. depends on SYS_HAS_CPU_NEVADA
  1181. select CPU_SUPPORTS_32BIT_KERNEL
  1182. select CPU_SUPPORTS_64BIT_KERNEL
  1183. select CPU_SUPPORTS_HUGEPAGES
  1184. help
  1185. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1186. config CPU_R8000
  1187. bool "R8000"
  1188. depends on SYS_HAS_CPU_R8000
  1189. select CPU_HAS_PREFETCH
  1190. select CPU_SUPPORTS_64BIT_KERNEL
  1191. help
  1192. MIPS Technologies R8000 processors. Note these processors are
  1193. uncommon and the support for them is incomplete.
  1194. config CPU_R10000
  1195. bool "R10000"
  1196. depends on SYS_HAS_CPU_R10000
  1197. select CPU_HAS_PREFETCH
  1198. select CPU_SUPPORTS_32BIT_KERNEL
  1199. select CPU_SUPPORTS_64BIT_KERNEL
  1200. select CPU_SUPPORTS_HIGHMEM
  1201. select CPU_SUPPORTS_HUGEPAGES
  1202. help
  1203. MIPS Technologies R10000-series processors.
  1204. config CPU_RM7000
  1205. bool "RM7000"
  1206. depends on SYS_HAS_CPU_RM7000
  1207. select CPU_HAS_PREFETCH
  1208. select CPU_SUPPORTS_32BIT_KERNEL
  1209. select CPU_SUPPORTS_64BIT_KERNEL
  1210. select CPU_SUPPORTS_HIGHMEM
  1211. select CPU_SUPPORTS_HUGEPAGES
  1212. config CPU_SB1
  1213. bool "SB1"
  1214. depends on SYS_HAS_CPU_SB1
  1215. select CPU_SUPPORTS_32BIT_KERNEL
  1216. select CPU_SUPPORTS_64BIT_KERNEL
  1217. select CPU_SUPPORTS_HIGHMEM
  1218. select CPU_SUPPORTS_HUGEPAGES
  1219. select WEAK_ORDERING
  1220. config CPU_CAVIUM_OCTEON
  1221. bool "Cavium Octeon processor"
  1222. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1223. select ARCH_SPARSEMEM_ENABLE
  1224. select CPU_HAS_PREFETCH
  1225. select CPU_SUPPORTS_64BIT_KERNEL
  1226. select SYS_SUPPORTS_SMP
  1227. select NR_CPUS_DEFAULT_16
  1228. select WEAK_ORDERING
  1229. select CPU_SUPPORTS_HIGHMEM
  1230. select CPU_SUPPORTS_HUGEPAGES
  1231. select LIBFDT
  1232. select USE_OF
  1233. select USB_EHCI_BIG_ENDIAN_MMIO
  1234. help
  1235. The Cavium Octeon processor is a highly integrated chip containing
  1236. many ethernet hardware widgets for networking tasks. The processor
  1237. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1238. Full details can be found at http://www.caviumnetworks.com.
  1239. config CPU_BMIPS3300
  1240. bool "BMIPS3300"
  1241. depends on SYS_HAS_CPU_BMIPS3300
  1242. select CPU_BMIPS
  1243. help
  1244. Broadcom BMIPS3300 processors.
  1245. config CPU_BMIPS4350
  1246. bool "BMIPS4350"
  1247. depends on SYS_HAS_CPU_BMIPS4350
  1248. select CPU_BMIPS
  1249. select SYS_SUPPORTS_SMP
  1250. select SYS_SUPPORTS_HOTPLUG_CPU
  1251. help
  1252. Broadcom BMIPS4350 ("VIPER") processors.
  1253. config CPU_BMIPS4380
  1254. bool "BMIPS4380"
  1255. depends on SYS_HAS_CPU_BMIPS4380
  1256. select CPU_BMIPS
  1257. select SYS_SUPPORTS_SMP
  1258. select SYS_SUPPORTS_HOTPLUG_CPU
  1259. help
  1260. Broadcom BMIPS4380 processors.
  1261. config CPU_BMIPS5000
  1262. bool "BMIPS5000"
  1263. depends on SYS_HAS_CPU_BMIPS5000
  1264. select CPU_BMIPS
  1265. select CPU_SUPPORTS_HIGHMEM
  1266. select MIPS_CPU_SCACHE
  1267. select SYS_SUPPORTS_SMP
  1268. select SYS_SUPPORTS_HOTPLUG_CPU
  1269. help
  1270. Broadcom BMIPS5000 processors.
  1271. config CPU_XLR
  1272. bool "Netlogic XLR SoC"
  1273. depends on SYS_HAS_CPU_XLR
  1274. select CPU_SUPPORTS_32BIT_KERNEL
  1275. select CPU_SUPPORTS_64BIT_KERNEL
  1276. select CPU_SUPPORTS_HIGHMEM
  1277. select CPU_SUPPORTS_HUGEPAGES
  1278. select WEAK_ORDERING
  1279. select WEAK_REORDERING_BEYOND_LLSC
  1280. help
  1281. Netlogic Microsystems XLR/XLS processors.
  1282. config CPU_XLP
  1283. bool "Netlogic XLP SoC"
  1284. depends on SYS_HAS_CPU_XLP
  1285. select CPU_SUPPORTS_32BIT_KERNEL
  1286. select CPU_SUPPORTS_64BIT_KERNEL
  1287. select CPU_SUPPORTS_HIGHMEM
  1288. select WEAK_ORDERING
  1289. select WEAK_REORDERING_BEYOND_LLSC
  1290. select CPU_HAS_PREFETCH
  1291. select CPU_MIPSR2
  1292. help
  1293. Netlogic Microsystems XLP processors.
  1294. endchoice
  1295. if CPU_LOONGSON2F
  1296. config CPU_NOP_WORKAROUNDS
  1297. bool
  1298. config CPU_JUMP_WORKAROUNDS
  1299. bool
  1300. config CPU_LOONGSON2F_WORKAROUNDS
  1301. bool "Loongson 2F Workarounds"
  1302. default y
  1303. select CPU_NOP_WORKAROUNDS
  1304. select CPU_JUMP_WORKAROUNDS
  1305. help
  1306. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1307. require workarounds. Without workarounds the system may hang
  1308. unexpectedly. For more information please refer to the gas
  1309. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1310. Loongson 2F03 and later have fixed these issues and no workarounds
  1311. are needed. The workarounds have no significant side effect on them
  1312. but may decrease the performance of the system so this option should
  1313. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1314. systems.
  1315. If unsure, please say Y.
  1316. endif # CPU_LOONGSON2F
  1317. config SYS_SUPPORTS_ZBOOT
  1318. bool
  1319. select HAVE_KERNEL_GZIP
  1320. select HAVE_KERNEL_BZIP2
  1321. select HAVE_KERNEL_LZ4
  1322. select HAVE_KERNEL_LZMA
  1323. select HAVE_KERNEL_LZO
  1324. select HAVE_KERNEL_XZ
  1325. config SYS_SUPPORTS_ZBOOT_UART16550
  1326. bool
  1327. select SYS_SUPPORTS_ZBOOT
  1328. config CPU_LOONGSON2
  1329. bool
  1330. select CPU_SUPPORTS_32BIT_KERNEL
  1331. select CPU_SUPPORTS_64BIT_KERNEL
  1332. select CPU_SUPPORTS_HIGHMEM
  1333. select CPU_SUPPORTS_HUGEPAGES
  1334. config CPU_LOONGSON1
  1335. bool
  1336. select CPU_MIPS32
  1337. select CPU_MIPSR2
  1338. select CPU_HAS_PREFETCH
  1339. select CPU_SUPPORTS_32BIT_KERNEL
  1340. select CPU_SUPPORTS_HIGHMEM
  1341. config CPU_BMIPS
  1342. bool
  1343. select CPU_MIPS32
  1344. select CPU_SUPPORTS_32BIT_KERNEL
  1345. select DMA_NONCOHERENT
  1346. select IRQ_CPU
  1347. select SWAP_IO_SPACE
  1348. select WEAK_ORDERING
  1349. config SYS_HAS_CPU_LOONGSON2E
  1350. bool
  1351. config SYS_HAS_CPU_LOONGSON2F
  1352. bool
  1353. select CPU_SUPPORTS_CPUFREQ
  1354. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1355. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1356. config SYS_HAS_CPU_LOONGSON1B
  1357. bool
  1358. config SYS_HAS_CPU_MIPS32_R1
  1359. bool
  1360. config SYS_HAS_CPU_MIPS32_R2
  1361. bool
  1362. config SYS_HAS_CPU_MIPS64_R1
  1363. bool
  1364. config SYS_HAS_CPU_MIPS64_R2
  1365. bool
  1366. config SYS_HAS_CPU_R3000
  1367. bool
  1368. config SYS_HAS_CPU_TX39XX
  1369. bool
  1370. config SYS_HAS_CPU_VR41XX
  1371. bool
  1372. config SYS_HAS_CPU_R4300
  1373. bool
  1374. config SYS_HAS_CPU_R4X00
  1375. bool
  1376. config SYS_HAS_CPU_TX49XX
  1377. bool
  1378. config SYS_HAS_CPU_R5000
  1379. bool
  1380. config SYS_HAS_CPU_R5432
  1381. bool
  1382. config SYS_HAS_CPU_R5500
  1383. bool
  1384. config SYS_HAS_CPU_R6000
  1385. bool
  1386. config SYS_HAS_CPU_NEVADA
  1387. bool
  1388. config SYS_HAS_CPU_R8000
  1389. bool
  1390. config SYS_HAS_CPU_R10000
  1391. bool
  1392. config SYS_HAS_CPU_RM7000
  1393. bool
  1394. config SYS_HAS_CPU_SB1
  1395. bool
  1396. config SYS_HAS_CPU_CAVIUM_OCTEON
  1397. bool
  1398. config SYS_HAS_CPU_BMIPS3300
  1399. bool
  1400. config SYS_HAS_CPU_BMIPS4350
  1401. bool
  1402. config SYS_HAS_CPU_BMIPS4380
  1403. bool
  1404. config SYS_HAS_CPU_BMIPS5000
  1405. bool
  1406. config SYS_HAS_CPU_XLR
  1407. bool
  1408. config SYS_HAS_CPU_XLP
  1409. bool
  1410. #
  1411. # CPU may reorder R->R, R->W, W->R, W->W
  1412. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1413. #
  1414. config WEAK_ORDERING
  1415. bool
  1416. #
  1417. # CPU may reorder reads and writes beyond LL/SC
  1418. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1419. #
  1420. config WEAK_REORDERING_BEYOND_LLSC
  1421. bool
  1422. endmenu
  1423. #
  1424. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1425. #
  1426. config CPU_MIPS32
  1427. bool
  1428. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1429. config CPU_MIPS64
  1430. bool
  1431. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1432. #
  1433. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1434. #
  1435. config CPU_MIPSR1
  1436. bool
  1437. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1438. config CPU_MIPSR2
  1439. bool
  1440. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1441. config SYS_SUPPORTS_32BIT_KERNEL
  1442. bool
  1443. config SYS_SUPPORTS_64BIT_KERNEL
  1444. bool
  1445. config CPU_SUPPORTS_32BIT_KERNEL
  1446. bool
  1447. config CPU_SUPPORTS_64BIT_KERNEL
  1448. bool
  1449. config CPU_SUPPORTS_CPUFREQ
  1450. bool
  1451. config CPU_SUPPORTS_ADDRWINCFG
  1452. bool
  1453. config CPU_SUPPORTS_HUGEPAGES
  1454. bool
  1455. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1456. bool
  1457. config MIPS_PGD_C0_CONTEXT
  1458. bool
  1459. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1460. #
  1461. # Set to y for ptrace access to watch registers.
  1462. #
  1463. config HARDWARE_WATCHPOINTS
  1464. bool
  1465. default y if CPU_MIPSR1 || CPU_MIPSR2
  1466. menu "Kernel type"
  1467. choice
  1468. prompt "Kernel code model"
  1469. help
  1470. You should only select this option if you have a workload that
  1471. actually benefits from 64-bit processing or if your machine has
  1472. large memory. You will only be presented a single option in this
  1473. menu if your system does not support both 32-bit and 64-bit kernels.
  1474. config 32BIT
  1475. bool "32-bit kernel"
  1476. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1477. select TRAD_SIGNALS
  1478. help
  1479. Select this option if you want to build a 32-bit kernel.
  1480. config 64BIT
  1481. bool "64-bit kernel"
  1482. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1483. help
  1484. Select this option if you want to build a 64-bit kernel.
  1485. endchoice
  1486. config KVM_GUEST
  1487. bool "KVM Guest Kernel"
  1488. depends on BROKEN_ON_SMP
  1489. help
  1490. Select this option if building a guest kernel for KVM (Trap & Emulate) mode
  1491. config KVM_HOST_FREQ
  1492. int "KVM Host Processor Frequency (MHz)"
  1493. depends on KVM_GUEST
  1494. default 500
  1495. help
  1496. Select this option if building a guest kernel for KVM to skip
  1497. RTC emulation when determining guest CPU Frequency. Instead, the guest
  1498. processor frequency is automatically derived from the host frequency.
  1499. choice
  1500. prompt "Kernel page size"
  1501. default PAGE_SIZE_4KB
  1502. config PAGE_SIZE_4KB
  1503. bool "4kB"
  1504. depends on !CPU_LOONGSON2
  1505. help
  1506. This option select the standard 4kB Linux page size. On some
  1507. R3000-family processors this is the only available page size. Using
  1508. 4kB page size will minimize memory consumption and is therefore
  1509. recommended for low memory systems.
  1510. config PAGE_SIZE_8KB
  1511. bool "8kB"
  1512. depends on CPU_R8000 || CPU_CAVIUM_OCTEON
  1513. help
  1514. Using 8kB page size will result in higher performance kernel at
  1515. the price of higher memory consumption. This option is available
  1516. only on R8000 and cnMIPS processors. Note that you will need a
  1517. suitable Linux distribution to support this.
  1518. config PAGE_SIZE_16KB
  1519. bool "16kB"
  1520. depends on !CPU_R3000 && !CPU_TX39XX
  1521. help
  1522. Using 16kB page size will result in higher performance kernel at
  1523. the price of higher memory consumption. This option is available on
  1524. all non-R3000 family processors. Note that you will need a suitable
  1525. Linux distribution to support this.
  1526. config PAGE_SIZE_32KB
  1527. bool "32kB"
  1528. depends on CPU_CAVIUM_OCTEON
  1529. help
  1530. Using 32kB page size will result in higher performance kernel at
  1531. the price of higher memory consumption. This option is available
  1532. only on cnMIPS cores. Note that you will need a suitable Linux
  1533. distribution to support this.
  1534. config PAGE_SIZE_64KB
  1535. bool "64kB"
  1536. depends on !CPU_R3000 && !CPU_TX39XX
  1537. help
  1538. Using 64kB page size will result in higher performance kernel at
  1539. the price of higher memory consumption. This option is available on
  1540. all non-R3000 family processor. Not that at the time of this
  1541. writing this option is still high experimental.
  1542. endchoice
  1543. config FORCE_MAX_ZONEORDER
  1544. int "Maximum zone order"
  1545. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1546. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1547. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1548. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1549. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1550. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1551. range 11 64
  1552. default "11"
  1553. help
  1554. The kernel memory allocator divides physically contiguous memory
  1555. blocks into "zones", where each zone is a power of two number of
  1556. pages. This option selects the largest power of two that the kernel
  1557. keeps in the memory allocator. If you need to allocate very large
  1558. blocks of physically contiguous memory, then you may need to
  1559. increase this value.
  1560. This config option is actually maximum order plus one. For example,
  1561. a value of 11 means that the largest free memory block is 2^10 pages.
  1562. The page size is not necessarily 4KB. Keep this in mind
  1563. when choosing a value for this option.
  1564. config CEVT_GIC
  1565. bool "Use GIC global counter for clock events"
  1566. depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
  1567. help
  1568. Use the GIC global counter for the clock events. The R4K clock
  1569. event driver is always present, so if the platform ends up not
  1570. detecting a GIC, it will fall back to the R4K timer for the
  1571. generation of clock events.
  1572. config BOARD_SCACHE
  1573. bool
  1574. config IP22_CPU_SCACHE
  1575. bool
  1576. select BOARD_SCACHE
  1577. #
  1578. # Support for a MIPS32 / MIPS64 style S-caches
  1579. #
  1580. config MIPS_CPU_SCACHE
  1581. bool
  1582. select BOARD_SCACHE
  1583. config R5000_CPU_SCACHE
  1584. bool
  1585. select BOARD_SCACHE
  1586. config RM7000_CPU_SCACHE
  1587. bool
  1588. select BOARD_SCACHE
  1589. config SIBYTE_DMA_PAGEOPS
  1590. bool "Use DMA to clear/copy pages"
  1591. depends on CPU_SB1
  1592. help
  1593. Instead of using the CPU to zero and copy pages, use a Data Mover
  1594. channel. These DMA channels are otherwise unused by the standard
  1595. SiByte Linux port. Seems to give a small performance benefit.
  1596. config CPU_HAS_PREFETCH
  1597. bool
  1598. config CPU_GENERIC_DUMP_TLB
  1599. bool
  1600. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1601. config CPU_R4K_FPU
  1602. bool
  1603. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1604. config CPU_R4K_CACHE_TLB
  1605. bool
  1606. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1607. choice
  1608. prompt "MIPS MT options"
  1609. config MIPS_MT_DISABLED
  1610. bool "Disable multithreading support."
  1611. help
  1612. Use this option if your workload can't take advantage of
  1613. MIPS hardware multithreading support. On systems that don't have
  1614. the option of an MT-enabled processor this option will be the only
  1615. option in this menu.
  1616. config MIPS_MT_SMP
  1617. bool "Use 1 TC on each available VPE for SMP"
  1618. depends on SYS_SUPPORTS_MULTITHREADING
  1619. select CPU_MIPSR2_IRQ_VI
  1620. select CPU_MIPSR2_IRQ_EI
  1621. select MIPS_MT
  1622. select SMP
  1623. select SYS_SUPPORTS_SCHED_SMT if SMP
  1624. select SYS_SUPPORTS_SMP
  1625. select SMP_UP
  1626. select MIPS_PERF_SHARED_TC_COUNTERS
  1627. help
  1628. This is a kernel model which is known a VSMP but lately has been
  1629. marketesed into SMVP.
  1630. Virtual SMP uses the processor's VPEs to implement virtual
  1631. processors. In currently available configuration of the 34K processor
  1632. this allows for a dual processor. Both processors will share the same
  1633. primary caches; each will obtain the half of the TLB for it's own
  1634. exclusive use. For a layman this model can be described as similar to
  1635. what Intel calls Hyperthreading.
  1636. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1637. config MIPS_MT_SMTC
  1638. bool "SMTC: Use all TCs on all VPEs for SMP"
  1639. depends on CPU_MIPS32_R2
  1640. #depends on CPU_MIPS64_R2 # once there is hardware ...
  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_8
  1646. select SMP
  1647. select SYS_SUPPORTS_SMP
  1648. select SMP_UP
  1649. help
  1650. This is a kernel model which is known a SMTC or lately has been
  1651. marketesed into SMVP.
  1652. is presenting the available TC's of the core as processors to Linux.
  1653. On currently available 34K processors this means a Linux system will
  1654. see up to 5 processors. The implementation of the SMTC kernel differs
  1655. significantly from VSMP and cannot efficiently coexist in the same
  1656. kernel binary so the choice between VSMP and SMTC is a compile time
  1657. decision.
  1658. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1659. endchoice
  1660. config MIPS_MT
  1661. bool
  1662. config SCHED_SMT
  1663. bool "SMT (multithreading) scheduler support"
  1664. depends on SYS_SUPPORTS_SCHED_SMT
  1665. default n
  1666. help
  1667. SMT scheduler support improves the CPU scheduler's decision making
  1668. when dealing with MIPS MT enabled cores at a cost of slightly
  1669. increased overhead in some places. If unsure say N here.
  1670. config SYS_SUPPORTS_SCHED_SMT
  1671. bool
  1672. config SYS_SUPPORTS_MULTITHREADING
  1673. bool
  1674. config MIPS_MT_FPAFF
  1675. bool "Dynamic FPU affinity for FP-intensive threads"
  1676. default y
  1677. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1678. config MIPS_VPE_LOADER
  1679. bool "VPE loader support."
  1680. depends on SYS_SUPPORTS_MULTITHREADING && MODULES
  1681. select CPU_MIPSR2_IRQ_VI
  1682. select CPU_MIPSR2_IRQ_EI
  1683. select MIPS_MT
  1684. help
  1685. Includes a loader for loading an elf relocatable object
  1686. onto another VPE and running it.
  1687. config MIPS_MT_SMTC_IM_BACKSTOP
  1688. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1689. depends on MIPS_MT_SMTC
  1690. default n
  1691. help
  1692. To support multiple TC microthreads acting as "CPUs" within
  1693. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1694. during interrupt handling. To support legacy drivers and interrupt
  1695. controller management code, SMTC has a "backstop" to track and
  1696. if necessary restore the interrupt mask. This has some performance
  1697. impact on interrupt service overhead.
  1698. config MIPS_MT_SMTC_IRQAFF
  1699. bool "Support IRQ affinity API"
  1700. depends on MIPS_MT_SMTC
  1701. default n
  1702. help
  1703. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1704. for SMTC Linux kernel. Requires platform support, of which
  1705. an example can be found in the MIPS kernel i8259 and Malta
  1706. platform code. Adds some overhead to interrupt dispatch, and
  1707. should be used only if you know what you are doing.
  1708. config MIPS_VPE_LOADER_TOM
  1709. bool "Load VPE program into memory hidden from linux"
  1710. depends on MIPS_VPE_LOADER
  1711. default y
  1712. help
  1713. The loader can use memory that is present but has been hidden from
  1714. Linux using the kernel command line option "mem=xxMB". It's up to
  1715. you to ensure the amount you put in the option and the space your
  1716. program requires is less or equal to the amount physically present.
  1717. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1718. config MIPS_VPE_APSP_API
  1719. bool "Enable support for AP/SP API (RTLX)"
  1720. depends on MIPS_VPE_LOADER
  1721. help
  1722. config MIPS_CMP
  1723. bool "MIPS CMP framework support"
  1724. depends on SYS_SUPPORTS_MIPS_CMP
  1725. select SMP
  1726. select SYNC_R4K
  1727. select SYS_SUPPORTS_SMP
  1728. select SYS_SUPPORTS_SCHED_SMT if SMP
  1729. select WEAK_ORDERING
  1730. default n
  1731. help
  1732. This is a placeholder option for the GCMP work. It will need to
  1733. be handled differently...
  1734. config SB1_PASS_1_WORKAROUNDS
  1735. bool
  1736. depends on CPU_SB1_PASS_1
  1737. default y
  1738. config SB1_PASS_2_WORKAROUNDS
  1739. bool
  1740. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1741. default y
  1742. config SB1_PASS_2_1_WORKAROUNDS
  1743. bool
  1744. depends on CPU_SB1 && CPU_SB1_PASS_2
  1745. default y
  1746. config 64BIT_PHYS_ADDR
  1747. bool
  1748. config ARCH_PHYS_ADDR_T_64BIT
  1749. def_bool 64BIT_PHYS_ADDR
  1750. config CPU_HAS_SMARTMIPS
  1751. depends on SYS_SUPPORTS_SMARTMIPS
  1752. bool "Support for the SmartMIPS ASE"
  1753. help
  1754. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1755. increased security at both hardware and software level for
  1756. smartcards. Enabling this option will allow proper use of the
  1757. SmartMIPS instructions by Linux applications. However a kernel with
  1758. this option will not work on a MIPS core without SmartMIPS core. If
  1759. you don't know you probably don't have SmartMIPS and should say N
  1760. here.
  1761. config CPU_MICROMIPS
  1762. depends on SYS_SUPPORTS_MICROMIPS
  1763. bool "Build kernel using microMIPS ISA"
  1764. help
  1765. When this option is enabled the kernel will be built using the
  1766. microMIPS ISA
  1767. config CPU_HAS_WB
  1768. bool
  1769. config XKS01
  1770. bool
  1771. #
  1772. # Vectored interrupt mode is an R2 feature
  1773. #
  1774. config CPU_MIPSR2_IRQ_VI
  1775. bool
  1776. #
  1777. # Extended interrupt mode is an R2 feature
  1778. #
  1779. config CPU_MIPSR2_IRQ_EI
  1780. bool
  1781. config CPU_HAS_SYNC
  1782. bool
  1783. depends on !CPU_R3000
  1784. default y
  1785. #
  1786. # CPU non-features
  1787. #
  1788. config CPU_DADDI_WORKAROUNDS
  1789. bool
  1790. config CPU_R4000_WORKAROUNDS
  1791. bool
  1792. select CPU_R4400_WORKAROUNDS
  1793. config CPU_R4400_WORKAROUNDS
  1794. bool
  1795. #
  1796. # - Highmem only makes sense for the 32-bit kernel.
  1797. # - The current highmem code will only work properly on physically indexed
  1798. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1799. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1800. # moment we protect the user and offer the highmem option only on machines
  1801. # where it's known to be safe. This will not offer highmem on a few systems
  1802. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1803. # indexed CPUs but we're playing safe.
  1804. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1805. # know they might have memory configurations that could make use of highmem
  1806. # support.
  1807. #
  1808. config HIGHMEM
  1809. bool "High Memory Support"
  1810. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1811. config CPU_SUPPORTS_HIGHMEM
  1812. bool
  1813. config SYS_SUPPORTS_HIGHMEM
  1814. bool
  1815. config SYS_SUPPORTS_SMARTMIPS
  1816. bool
  1817. config SYS_SUPPORTS_MICROMIPS
  1818. bool
  1819. config ARCH_FLATMEM_ENABLE
  1820. def_bool y
  1821. depends on !NUMA && !CPU_LOONGSON2
  1822. config ARCH_DISCONTIGMEM_ENABLE
  1823. bool
  1824. default y if SGI_IP27
  1825. help
  1826. Say Y to support efficient handling of discontiguous physical memory,
  1827. for architectures which are either NUMA (Non-Uniform Memory Access)
  1828. or have huge holes in the physical address space for other reasons.
  1829. See <file:Documentation/vm/numa> for more.
  1830. config ARCH_SPARSEMEM_ENABLE
  1831. bool
  1832. select SPARSEMEM_STATIC
  1833. config NUMA
  1834. bool "NUMA Support"
  1835. depends on SYS_SUPPORTS_NUMA
  1836. help
  1837. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1838. Access). This option improves performance on systems with more
  1839. than two nodes; on two node systems it is generally better to
  1840. leave it disabled; on single node systems disable this option
  1841. disabled.
  1842. config SYS_SUPPORTS_NUMA
  1843. bool
  1844. config NODES_SHIFT
  1845. int
  1846. default "6"
  1847. depends on NEED_MULTIPLE_NODES
  1848. config HW_PERF_EVENTS
  1849. bool "Enable hardware performance counter support for perf events"
  1850. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1851. default y
  1852. help
  1853. Enable hardware performance counter support for perf events. If
  1854. disabled, perf events will use software events only.
  1855. source "mm/Kconfig"
  1856. config SMP
  1857. bool "Multi-Processing support"
  1858. depends on SYS_SUPPORTS_SMP
  1859. select USE_GENERIC_SMP_HELPERS
  1860. help
  1861. This enables support for systems with more than one CPU. If you have
  1862. a system with only one CPU, like most personal computers, say N. If
  1863. you have a system with more than one CPU, say Y.
  1864. If you say N here, the kernel will run on single and multiprocessor
  1865. machines, but will use only one CPU of a multiprocessor machine. If
  1866. you say Y here, the kernel will run on many, but not all,
  1867. singleprocessor machines. On a singleprocessor machine, the kernel
  1868. will run faster if you say N here.
  1869. People using multiprocessor machines who say Y here should also say
  1870. Y to "Enhanced Real Time Clock Support", below.
  1871. See also the SMP-HOWTO available at
  1872. <http://www.tldp.org/docs.html#howto>.
  1873. If you don't know what to do here, say N.
  1874. config SMP_UP
  1875. bool
  1876. config SYS_SUPPORTS_MIPS_CMP
  1877. bool
  1878. config SYS_SUPPORTS_SMP
  1879. bool
  1880. config NR_CPUS_DEFAULT_4
  1881. bool
  1882. config NR_CPUS_DEFAULT_8
  1883. bool
  1884. config NR_CPUS_DEFAULT_16
  1885. bool
  1886. config NR_CPUS_DEFAULT_32
  1887. bool
  1888. config NR_CPUS_DEFAULT_64
  1889. bool
  1890. config NR_CPUS
  1891. int "Maximum number of CPUs (2-64)"
  1892. range 2 64
  1893. depends on SMP
  1894. default "4" if NR_CPUS_DEFAULT_4
  1895. default "8" if NR_CPUS_DEFAULT_8
  1896. default "16" if NR_CPUS_DEFAULT_16
  1897. default "32" if NR_CPUS_DEFAULT_32
  1898. default "64" if NR_CPUS_DEFAULT_64
  1899. help
  1900. This allows you to specify the maximum number of CPUs which this
  1901. kernel will support. The maximum supported value is 32 for 32-bit
  1902. kernel and 64 for 64-bit kernels; the minimum value which makes
  1903. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1904. and 2 for all others.
  1905. This is purely to save memory - each supported CPU adds
  1906. approximately eight kilobytes to the kernel image. For best
  1907. performance should round up your number of processors to the next
  1908. power of two.
  1909. config MIPS_PERF_SHARED_TC_COUNTERS
  1910. bool
  1911. #
  1912. # Timer Interrupt Frequency Configuration
  1913. #
  1914. choice
  1915. prompt "Timer frequency"
  1916. default HZ_250
  1917. help
  1918. Allows the configuration of the timer frequency.
  1919. config HZ_48
  1920. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1921. config HZ_100
  1922. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1923. config HZ_128
  1924. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1925. config HZ_250
  1926. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1927. config HZ_256
  1928. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1929. config HZ_1000
  1930. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1931. config HZ_1024
  1932. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1933. endchoice
  1934. config SYS_SUPPORTS_48HZ
  1935. bool
  1936. config SYS_SUPPORTS_100HZ
  1937. bool
  1938. config SYS_SUPPORTS_128HZ
  1939. bool
  1940. config SYS_SUPPORTS_250HZ
  1941. bool
  1942. config SYS_SUPPORTS_256HZ
  1943. bool
  1944. config SYS_SUPPORTS_1000HZ
  1945. bool
  1946. config SYS_SUPPORTS_1024HZ
  1947. bool
  1948. config SYS_SUPPORTS_ARBIT_HZ
  1949. bool
  1950. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1951. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1952. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1953. !SYS_SUPPORTS_1024HZ
  1954. config HZ
  1955. int
  1956. default 48 if HZ_48
  1957. default 100 if HZ_100
  1958. default 128 if HZ_128
  1959. default 250 if HZ_250
  1960. default 256 if HZ_256
  1961. default 1000 if HZ_1000
  1962. default 1024 if HZ_1024
  1963. source "kernel/Kconfig.preempt"
  1964. config KEXEC
  1965. bool "Kexec system call"
  1966. help
  1967. kexec is a system call that implements the ability to shutdown your
  1968. current kernel, and to start another kernel. It is like a reboot
  1969. but it is independent of the system firmware. And like a reboot
  1970. you can start any kernel with it, not just Linux.
  1971. The name comes from the similarity to the exec system call.
  1972. It is an ongoing process to be certain the hardware in a machine
  1973. is properly shutdown, so do not be surprised if this code does not
  1974. initially work for you. As of this writing the exact hardware
  1975. interface is strongly in flux, so no good recommendation can be
  1976. made.
  1977. config CRASH_DUMP
  1978. bool "Kernel crash dumps"
  1979. help
  1980. Generate crash dump after being started by kexec.
  1981. This should be normally only set in special crash dump kernels
  1982. which are loaded in the main kernel with kexec-tools into
  1983. a specially reserved region and then later executed after
  1984. a crash by kdump/kexec. The crash dump kernel must be compiled
  1985. to a memory address not used by the main kernel or firmware using
  1986. PHYSICAL_START.
  1987. config PHYSICAL_START
  1988. hex "Physical address where the kernel is loaded"
  1989. default "0xffffffff84000000" if 64BIT
  1990. default "0x84000000" if 32BIT
  1991. depends on CRASH_DUMP
  1992. help
  1993. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  1994. If you plan to use kernel for capturing the crash dump change
  1995. this value to start of the reserved region (the "X" value as
  1996. specified in the "crashkernel=YM@XM" command line boot parameter
  1997. passed to the panic-ed kernel).
  1998. config SECCOMP
  1999. bool "Enable seccomp to safely compute untrusted bytecode"
  2000. depends on PROC_FS
  2001. default y
  2002. help
  2003. This kernel feature is useful for number crunching applications
  2004. that may need to compute untrusted bytecode during their
  2005. execution. By using pipes or other transports made available to
  2006. the process as file descriptors supporting the read/write
  2007. syscalls, it's possible to isolate those applications in
  2008. their own address space using seccomp. Once seccomp is
  2009. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2010. and the task is only allowed to execute a few safe syscalls
  2011. defined by each seccomp mode.
  2012. If unsure, say Y. Only embedded should say N here.
  2013. config CC_STACKPROTECTOR
  2014. bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
  2015. help
  2016. This option turns on the -fstack-protector GCC feature. This
  2017. feature puts, at the beginning of functions, a canary value on
  2018. the stack just before the return address, and validates
  2019. the value just before actually returning. Stack based buffer
  2020. overflows (that need to overwrite this return address) now also
  2021. overwrite the canary, which gets detected and the attack is then
  2022. neutralized via a kernel panic.
  2023. This feature requires gcc version 4.2 or above.
  2024. config USE_OF
  2025. bool
  2026. select OF
  2027. select OF_EARLY_FLATTREE
  2028. select IRQ_DOMAIN
  2029. endmenu
  2030. config LOCKDEP_SUPPORT
  2031. bool
  2032. default y
  2033. config STACKTRACE_SUPPORT
  2034. bool
  2035. default y
  2036. source "init/Kconfig"
  2037. source "kernel/Kconfig.freezer"
  2038. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2039. config HW_HAS_EISA
  2040. bool
  2041. config HW_HAS_PCI
  2042. bool
  2043. config PCI
  2044. bool "Support for PCI controller"
  2045. depends on HW_HAS_PCI
  2046. select PCI_DOMAINS
  2047. select NO_GENERIC_PCI_IOPORT_MAP
  2048. help
  2049. Find out whether you have a PCI motherboard. PCI is the name of a
  2050. bus system, i.e. the way the CPU talks to the other stuff inside
  2051. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2052. say Y, otherwise N.
  2053. config PCI_DOMAINS
  2054. bool
  2055. source "drivers/pci/Kconfig"
  2056. source "drivers/pci/pcie/Kconfig"
  2057. #
  2058. # ISA support is now enabled via select. Too many systems still have the one
  2059. # or other ISA chip on the board that users don't know about so don't expect
  2060. # users to choose the right thing ...
  2061. #
  2062. config ISA
  2063. bool
  2064. config EISA
  2065. bool "EISA support"
  2066. depends on HW_HAS_EISA
  2067. select ISA
  2068. select GENERIC_ISA_DMA
  2069. ---help---
  2070. The Extended Industry Standard Architecture (EISA) bus was
  2071. developed as an open alternative to the IBM MicroChannel bus.
  2072. The EISA bus provided some of the features of the IBM MicroChannel
  2073. bus while maintaining backward compatibility with cards made for
  2074. the older ISA bus. The EISA bus saw limited use between 1988 and
  2075. 1995 when it was made obsolete by the PCI bus.
  2076. Say Y here if you are building a kernel for an EISA-based machine.
  2077. Otherwise, say N.
  2078. source "drivers/eisa/Kconfig"
  2079. config TC
  2080. bool "TURBOchannel support"
  2081. depends on MACH_DECSTATION
  2082. help
  2083. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2084. processors. TURBOchannel programming specifications are available
  2085. at:
  2086. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2087. and:
  2088. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2089. Linux driver support status is documented at:
  2090. <http://www.linux-mips.org/wiki/DECstation>
  2091. config MMU
  2092. bool
  2093. default y
  2094. config I8253
  2095. bool
  2096. select CLKSRC_I8253
  2097. select CLKEVT_I8253
  2098. select MIPS_EXTERNAL_TIMER
  2099. config ZONE_DMA
  2100. bool
  2101. config ZONE_DMA32
  2102. bool
  2103. source "drivers/pcmcia/Kconfig"
  2104. source "drivers/pci/hotplug/Kconfig"
  2105. config RAPIDIO
  2106. bool "RapidIO support"
  2107. depends on PCI
  2108. default n
  2109. help
  2110. If you say Y here, the kernel will include drivers and
  2111. infrastructure code to support RapidIO interconnect devices.
  2112. source "drivers/rapidio/Kconfig"
  2113. endmenu
  2114. menu "Executable file formats"
  2115. source "fs/Kconfig.binfmt"
  2116. config TRAD_SIGNALS
  2117. bool
  2118. config MIPS32_COMPAT
  2119. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2120. depends on 64BIT
  2121. help
  2122. Select this option if you want Linux/MIPS 32-bit binary
  2123. compatibility. Since all software available for Linux/MIPS is
  2124. currently 32-bit you should say Y here.
  2125. config COMPAT
  2126. bool
  2127. depends on MIPS32_COMPAT
  2128. select ARCH_WANT_OLD_COMPAT_IPC
  2129. default y
  2130. config SYSVIPC_COMPAT
  2131. bool
  2132. depends on COMPAT && SYSVIPC
  2133. default y
  2134. config MIPS32_O32
  2135. bool "Kernel support for o32 binaries"
  2136. depends on MIPS32_COMPAT
  2137. help
  2138. Select this option if you want to run o32 binaries. These are pure
  2139. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2140. existing binaries are in this format.
  2141. If unsure, say Y.
  2142. config MIPS32_N32
  2143. bool "Kernel support for n32 binaries"
  2144. depends on MIPS32_COMPAT
  2145. help
  2146. Select this option if you want to run n32 binaries. These are
  2147. 64-bit binaries using 32-bit quantities for addressing and certain
  2148. data that would normally be 64-bit. They are used in special
  2149. cases.
  2150. If unsure, say N.
  2151. config BINFMT_ELF32
  2152. bool
  2153. default y if MIPS32_O32 || MIPS32_N32
  2154. endmenu
  2155. menu "Power management options"
  2156. config ARCH_HIBERNATION_POSSIBLE
  2157. def_bool y
  2158. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2159. config ARCH_SUSPEND_POSSIBLE
  2160. def_bool y
  2161. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2162. source "kernel/power/Kconfig"
  2163. endmenu
  2164. config MIPS_EXTERNAL_TIMER
  2165. bool
  2166. if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
  2167. menu "CPU Power Management"
  2168. source "drivers/cpufreq/Kconfig"
  2169. endmenu
  2170. endif
  2171. source "net/Kconfig"
  2172. source "drivers/Kconfig"
  2173. source "drivers/firmware/Kconfig"
  2174. source "fs/Kconfig"
  2175. source "arch/mips/Kconfig.debug"
  2176. source "security/Kconfig"
  2177. source "crypto/Kconfig"
  2178. source "lib/Kconfig"
  2179. source "arch/mips/kvm/Kconfig"