Kconfig 61 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_PERF_EVENTS
  8. select PERF_USE_VMALLOC
  9. select HAVE_ARCH_KGDB
  10. select ARCH_HAVE_CUSTOM_GPIO_H
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select HAVE_DEBUG_KMEMLEAK
  20. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  21. select HAVE_ARCH_TRANSPARENT_HUGEPAGE
  22. select RTC_LIB if !MACH_LOONGSON
  23. select GENERIC_ATOMIC64 if !64BIT
  24. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  25. select HAVE_DMA_ATTRS
  26. select HAVE_DMA_API_DEBUG
  27. select HAVE_GENERIC_HARDIRQS
  28. select GENERIC_IRQ_PROBE
  29. select GENERIC_IRQ_SHOW
  30. select HAVE_ARCH_JUMP_LABEL
  31. select ARCH_WANT_IPC_PARSE_VERSION
  32. select IRQ_FORCED_THREADING
  33. select HAVE_MEMBLOCK
  34. select HAVE_MEMBLOCK_NODE_MAP
  35. select ARCH_DISCARD_MEMBLOCK
  36. select GENERIC_SMP_IDLE_THREAD
  37. select BUILDTIME_EXTABLE_SORT
  38. select GENERIC_CLOCKEVENTS
  39. select GENERIC_CMOS_UPDATE
  40. select HAVE_MOD_ARCH_SPECIFIC
  41. select MODULES_USE_ELF_REL if MODULES
  42. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  43. menu "Machine selection"
  44. config ZONE_DMA
  45. bool
  46. choice
  47. prompt "System type"
  48. default SGI_IP22
  49. config MIPS_ALCHEMY
  50. bool "Alchemy processor based machines"
  51. select 64BIT_PHYS_ADDR
  52. select CEVT_R4K
  53. select CSRC_R4K
  54. select IRQ_CPU
  55. select SYS_HAS_CPU_MIPS32_R1
  56. select SYS_SUPPORTS_32BIT_KERNEL
  57. select SYS_SUPPORTS_APM_EMULATION
  58. select GENERIC_GPIO
  59. select ARCH_WANT_OPTIONAL_GPIOLIB
  60. select SYS_SUPPORTS_ZBOOT
  61. select USB_ARCH_HAS_OHCI
  62. select USB_ARCH_HAS_EHCI
  63. config AR7
  64. bool "Texas Instruments AR7"
  65. select BOOT_ELF32
  66. select DMA_NONCOHERENT
  67. select CEVT_R4K
  68. select CSRC_R4K
  69. select IRQ_CPU
  70. select NO_EXCEPT_FILL
  71. select SWAP_IO_SPACE
  72. select SYS_HAS_CPU_MIPS32_R1
  73. select SYS_HAS_EARLY_PRINTK
  74. select SYS_SUPPORTS_32BIT_KERNEL
  75. select SYS_SUPPORTS_LITTLE_ENDIAN
  76. select SYS_SUPPORTS_ZBOOT_UART16550
  77. select ARCH_REQUIRE_GPIOLIB
  78. select VLYNQ
  79. select HAVE_CLK
  80. help
  81. Support for the Texas Instruments AR7 System-on-a-Chip
  82. family: TNETD7100, 7200 and 7300.
  83. config ATH79
  84. bool "Atheros AR71XX/AR724X/AR913X based boards"
  85. select ARCH_REQUIRE_GPIOLIB
  86. select BOOT_RAW
  87. select CEVT_R4K
  88. select CSRC_R4K
  89. select DMA_NONCOHERENT
  90. select HAVE_CLK
  91. select IRQ_CPU
  92. select MIPS_MACHINE
  93. select SYS_HAS_CPU_MIPS32_R2
  94. select SYS_HAS_EARLY_PRINTK
  95. select SYS_SUPPORTS_32BIT_KERNEL
  96. select SYS_SUPPORTS_BIG_ENDIAN
  97. help
  98. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  99. config BCM47XX
  100. bool "Broadcom BCM47XX based boards"
  101. select ARCH_WANT_OPTIONAL_GPIOLIB
  102. select CEVT_R4K
  103. select CSRC_R4K
  104. select DMA_NONCOHERENT
  105. select FW_CFE
  106. select HW_HAS_PCI
  107. select IRQ_CPU
  108. select SYS_SUPPORTS_32BIT_KERNEL
  109. select SYS_SUPPORTS_LITTLE_ENDIAN
  110. select SYS_HAS_EARLY_PRINTK
  111. help
  112. Support for BCM47XX based boards
  113. config BCM63XX
  114. bool "Broadcom BCM63XX based boards"
  115. select CEVT_R4K
  116. select CSRC_R4K
  117. select DMA_NONCOHERENT
  118. select IRQ_CPU
  119. select SYS_HAS_CPU_MIPS32_R1
  120. select SYS_SUPPORTS_32BIT_KERNEL
  121. select SYS_SUPPORTS_BIG_ENDIAN
  122. select SYS_HAS_EARLY_PRINTK
  123. select SWAP_IO_SPACE
  124. select ARCH_REQUIRE_GPIOLIB
  125. select HAVE_CLK
  126. help
  127. Support for BCM63XX based boards
  128. config MIPS_COBALT
  129. bool "Cobalt Server"
  130. select CEVT_R4K
  131. select CSRC_R4K
  132. select CEVT_GT641XX
  133. select DMA_NONCOHERENT
  134. select HW_HAS_PCI
  135. select I8253
  136. select I8259
  137. select IRQ_CPU
  138. select IRQ_GT641XX
  139. select PCI_GT64XXX_PCI0
  140. select PCI
  141. select SYS_HAS_CPU_NEVADA
  142. select SYS_HAS_EARLY_PRINTK
  143. select SYS_SUPPORTS_32BIT_KERNEL
  144. select SYS_SUPPORTS_64BIT_KERNEL
  145. select SYS_SUPPORTS_LITTLE_ENDIAN
  146. config MACH_DECSTATION
  147. bool "DECstations"
  148. select BOOT_ELF32
  149. select CEVT_DS1287
  150. select CEVT_R4K
  151. select CSRC_IOASIC
  152. select CSRC_R4K
  153. select CPU_DADDI_WORKAROUNDS if 64BIT
  154. select CPU_R4000_WORKAROUNDS if 64BIT
  155. select CPU_R4400_WORKAROUNDS if 64BIT
  156. select DMA_NONCOHERENT
  157. select NO_IOPORT
  158. select IRQ_CPU
  159. select SYS_HAS_CPU_R3000
  160. select SYS_HAS_CPU_R4X00
  161. select SYS_SUPPORTS_32BIT_KERNEL
  162. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  163. select SYS_SUPPORTS_LITTLE_ENDIAN
  164. select SYS_SUPPORTS_128HZ
  165. select SYS_SUPPORTS_256HZ
  166. select SYS_SUPPORTS_1024HZ
  167. help
  168. This enables support for DEC's MIPS based workstations. For details
  169. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  170. DECstation porting pages on <http://decstation.unix-ag.org/>.
  171. If you have one of the following DECstation Models you definitely
  172. want to choose R4xx0 for the CPU Type:
  173. DECstation 5000/50
  174. DECstation 5000/150
  175. DECstation 5000/260
  176. DECsystem 5900/260
  177. otherwise choose R3000.
  178. config MACH_JAZZ
  179. bool "Jazz family of machines"
  180. select FW_ARC
  181. select FW_ARC32
  182. select ARCH_MAY_HAVE_PC_FDC
  183. select CEVT_R4K
  184. select CSRC_R4K
  185. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  186. select GENERIC_ISA_DMA
  187. select HAVE_PCSPKR_PLATFORM
  188. select IRQ_CPU
  189. select I8253
  190. select I8259
  191. select ISA
  192. select SYS_HAS_CPU_R4X00
  193. select SYS_SUPPORTS_32BIT_KERNEL
  194. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  195. select SYS_SUPPORTS_100HZ
  196. help
  197. This a family of machines based on the MIPS R4030 chipset which was
  198. used by several vendors to build RISC/os and Windows NT workstations.
  199. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  200. Olivetti M700-10 workstations.
  201. config MACH_JZ4740
  202. bool "Ingenic JZ4740 based machines"
  203. select SYS_HAS_CPU_MIPS32_R1
  204. select SYS_SUPPORTS_32BIT_KERNEL
  205. select SYS_SUPPORTS_LITTLE_ENDIAN
  206. select SYS_SUPPORTS_ZBOOT_UART16550
  207. select DMA_NONCOHERENT
  208. select IRQ_CPU
  209. select GENERIC_GPIO
  210. select ARCH_REQUIRE_GPIOLIB
  211. select SYS_HAS_EARLY_PRINTK
  212. select HAVE_PWM
  213. select HAVE_CLK
  214. select GENERIC_IRQ_CHIP
  215. config LANTIQ
  216. bool "Lantiq based platforms"
  217. select DMA_NONCOHERENT
  218. select IRQ_CPU
  219. select CEVT_R4K
  220. select CSRC_R4K
  221. select SYS_HAS_CPU_MIPS32_R1
  222. select SYS_HAS_CPU_MIPS32_R2
  223. select SYS_SUPPORTS_BIG_ENDIAN
  224. select SYS_SUPPORTS_32BIT_KERNEL
  225. select SYS_SUPPORTS_MULTITHREADING
  226. select SYS_HAS_EARLY_PRINTK
  227. select ARCH_REQUIRE_GPIOLIB
  228. select SWAP_IO_SPACE
  229. select BOOT_RAW
  230. select HAVE_MACH_CLKDEV
  231. select CLKDEV_LOOKUP
  232. select USE_OF
  233. select PINCTRL
  234. select PINCTRL_LANTIQ
  235. config LASAT
  236. bool "LASAT Networks platforms"
  237. select CEVT_R4K
  238. select CSRC_R4K
  239. select DMA_NONCOHERENT
  240. select SYS_HAS_EARLY_PRINTK
  241. select HW_HAS_PCI
  242. select IRQ_CPU
  243. select PCI_GT64XXX_PCI0
  244. select MIPS_NILE4
  245. select R5000_CPU_SCACHE
  246. select SYS_HAS_CPU_R5000
  247. select SYS_SUPPORTS_32BIT_KERNEL
  248. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  249. select SYS_SUPPORTS_LITTLE_ENDIAN
  250. config MACH_LOONGSON
  251. bool "Loongson family of machines"
  252. select SYS_SUPPORTS_ZBOOT
  253. help
  254. This enables the support of Loongson family of machines.
  255. Loongson is a family of general-purpose MIPS-compatible CPUs.
  256. developed at Institute of Computing Technology (ICT),
  257. Chinese Academy of Sciences (CAS) in the People's Republic
  258. of China. The chief architect is Professor Weiwu Hu.
  259. config MACH_LOONGSON1
  260. bool "Loongson 1 family of machines"
  261. select SYS_SUPPORTS_ZBOOT
  262. help
  263. This enables support for the Loongson 1 based machines.
  264. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  265. the ICT (Institute of Computing Technology) and the Chinese Academy
  266. of Sciences.
  267. config MIPS_MALTA
  268. bool "MIPS Malta board"
  269. select ARCH_MAY_HAVE_PC_FDC
  270. select BOOT_ELF32
  271. select BOOT_RAW
  272. select CEVT_R4K
  273. select CSRC_R4K
  274. select DMA_NONCOHERENT
  275. select GENERIC_ISA_DMA
  276. select HAVE_PCSPKR_PLATFORM
  277. select IRQ_CPU
  278. select IRQ_GIC
  279. select HW_HAS_PCI
  280. select I8253
  281. select I8259
  282. select MIPS_BOARDS_GEN
  283. select MIPS_BONITO64
  284. select MIPS_CPU_SCACHE
  285. select PCI_GT64XXX_PCI0
  286. select MIPS_MSC
  287. select SWAP_IO_SPACE
  288. select SYS_HAS_CPU_MIPS32_R1
  289. select SYS_HAS_CPU_MIPS32_R2
  290. select SYS_HAS_CPU_MIPS64_R1
  291. select SYS_HAS_CPU_MIPS64_R2
  292. select SYS_HAS_CPU_NEVADA
  293. select SYS_HAS_CPU_RM7000
  294. select SYS_HAS_EARLY_PRINTK
  295. select SYS_SUPPORTS_32BIT_KERNEL
  296. select SYS_SUPPORTS_64BIT_KERNEL
  297. select SYS_SUPPORTS_BIG_ENDIAN
  298. select SYS_SUPPORTS_LITTLE_ENDIAN
  299. select SYS_SUPPORTS_MIPS_CMP
  300. select SYS_SUPPORTS_MULTITHREADING
  301. select SYS_SUPPORTS_SMARTMIPS
  302. select SYS_SUPPORTS_ZBOOT
  303. help
  304. This enables support for the MIPS Technologies Malta evaluation
  305. board.
  306. config MIPS_SEAD3
  307. bool "MIPS SEAD3 board"
  308. select BOOT_ELF32
  309. select BOOT_RAW
  310. select CEVT_R4K
  311. select CSRC_R4K
  312. select CPU_MIPSR2_IRQ_VI
  313. select CPU_MIPSR2_IRQ_EI
  314. select DMA_NONCOHERENT
  315. select IRQ_CPU
  316. select IRQ_GIC
  317. select MIPS_BOARDS_GEN
  318. select MIPS_CPU_SCACHE
  319. select MIPS_MSC
  320. select SYS_HAS_CPU_MIPS32_R1
  321. select SYS_HAS_CPU_MIPS32_R2
  322. select SYS_HAS_CPU_MIPS64_R1
  323. select SYS_HAS_EARLY_PRINTK
  324. select SYS_SUPPORTS_32BIT_KERNEL
  325. select SYS_SUPPORTS_64BIT_KERNEL
  326. select SYS_SUPPORTS_BIG_ENDIAN
  327. select SYS_SUPPORTS_LITTLE_ENDIAN
  328. select SYS_SUPPORTS_SMARTMIPS
  329. select USB_ARCH_HAS_EHCI
  330. select USB_EHCI_BIG_ENDIAN_DESC
  331. select USB_EHCI_BIG_ENDIAN_MMIO
  332. help
  333. This enables support for the MIPS Technologies SEAD3 evaluation
  334. board.
  335. config NEC_MARKEINS
  336. bool "NEC EMMA2RH Mark-eins board"
  337. select SOC_EMMA2RH
  338. select HW_HAS_PCI
  339. help
  340. This enables support for the NEC Electronics Mark-eins boards.
  341. config MACH_VR41XX
  342. bool "NEC VR4100 series based machines"
  343. select CEVT_R4K
  344. select CSRC_R4K
  345. select SYS_HAS_CPU_VR41XX
  346. select ARCH_REQUIRE_GPIOLIB
  347. config NXP_STB220
  348. bool "NXP STB220 board"
  349. select SOC_PNX833X
  350. help
  351. Support for NXP Semiconductors STB220 Development Board.
  352. config NXP_STB225
  353. bool "NXP 225 board"
  354. select SOC_PNX833X
  355. select SOC_PNX8335
  356. help
  357. Support for NXP Semiconductors STB225 Development Board.
  358. config PNX8550_JBS
  359. bool "NXP PNX8550 based JBS board"
  360. select PNX8550
  361. select SYS_SUPPORTS_LITTLE_ENDIAN
  362. config PNX8550_STB810
  363. bool "NXP PNX8550 based STB810 board"
  364. select PNX8550
  365. select SYS_SUPPORTS_LITTLE_ENDIAN
  366. config PMC_MSP
  367. bool "PMC-Sierra MSP chipsets"
  368. depends on EXPERIMENTAL
  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. help
  383. This adds support for the PMC-Sierra family of Multi-Service
  384. Processor System-On-A-Chips. These parts include a number
  385. of integrated peripherals, interfaces and DSPs in addition to
  386. a variety of MIPS cores.
  387. config POWERTV
  388. bool "Cisco PowerTV"
  389. select BOOT_ELF32
  390. select CEVT_R4K
  391. select CPU_MIPSR2_IRQ_VI
  392. select CPU_MIPSR2_IRQ_EI
  393. select CSRC_POWERTV
  394. select DMA_NONCOHERENT
  395. select HW_HAS_PCI
  396. select SYS_HAS_EARLY_PRINTK
  397. select SYS_HAS_CPU_MIPS32_R2
  398. select SYS_SUPPORTS_32BIT_KERNEL
  399. select SYS_SUPPORTS_BIG_ENDIAN
  400. select SYS_SUPPORTS_HIGHMEM
  401. select USB_OHCI_LITTLE_ENDIAN
  402. help
  403. This enables support for the Cisco PowerTV Platform.
  404. config SGI_IP22
  405. bool "SGI IP22 (Indy/Indigo2)"
  406. select FW_ARC
  407. select FW_ARC32
  408. select BOOT_ELF32
  409. select CEVT_R4K
  410. select CSRC_R4K
  411. select DEFAULT_SGI_PARTITION
  412. select DMA_NONCOHERENT
  413. select HW_HAS_EISA
  414. select I8253
  415. select I8259
  416. select IP22_CPU_SCACHE
  417. select IRQ_CPU
  418. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  419. select SGI_HAS_I8042
  420. select SGI_HAS_INDYDOG
  421. select SGI_HAS_HAL2
  422. select SGI_HAS_SEEQ
  423. select SGI_HAS_WD93
  424. select SGI_HAS_ZILOG
  425. select SWAP_IO_SPACE
  426. select SYS_HAS_CPU_R4X00
  427. select SYS_HAS_CPU_R5000
  428. #
  429. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  430. # memory during early boot on some machines.
  431. #
  432. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  433. # for a more details discussion
  434. #
  435. # select SYS_HAS_EARLY_PRINTK
  436. select SYS_SUPPORTS_32BIT_KERNEL
  437. select SYS_SUPPORTS_64BIT_KERNEL
  438. select SYS_SUPPORTS_BIG_ENDIAN
  439. help
  440. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  441. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  442. that runs on these, say Y here.
  443. config SGI_IP27
  444. bool "SGI IP27 (Origin200/2000)"
  445. select FW_ARC
  446. select FW_ARC64
  447. select BOOT_ELF64
  448. select DEFAULT_SGI_PARTITION
  449. select DMA_COHERENT
  450. select SYS_HAS_EARLY_PRINTK
  451. select HW_HAS_PCI
  452. select NR_CPUS_DEFAULT_64
  453. select SYS_HAS_CPU_R10000
  454. select SYS_SUPPORTS_64BIT_KERNEL
  455. select SYS_SUPPORTS_BIG_ENDIAN
  456. select SYS_SUPPORTS_NUMA
  457. select SYS_SUPPORTS_SMP
  458. help
  459. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  460. workstations. To compile a Linux kernel that runs on these, say Y
  461. here.
  462. config SGI_IP28
  463. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  464. depends on EXPERIMENTAL
  465. select FW_ARC
  466. select FW_ARC64
  467. select BOOT_ELF64
  468. select CEVT_R4K
  469. select CSRC_R4K
  470. select DEFAULT_SGI_PARTITION
  471. select DMA_NONCOHERENT
  472. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  473. select IRQ_CPU
  474. select HW_HAS_EISA
  475. select I8253
  476. select I8259
  477. select SGI_HAS_I8042
  478. select SGI_HAS_INDYDOG
  479. select SGI_HAS_HAL2
  480. select SGI_HAS_SEEQ
  481. select SGI_HAS_WD93
  482. select SGI_HAS_ZILOG
  483. select SWAP_IO_SPACE
  484. select SYS_HAS_CPU_R10000
  485. #
  486. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  487. # memory during early boot on some machines.
  488. #
  489. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  490. # for a more details discussion
  491. #
  492. # select SYS_HAS_EARLY_PRINTK
  493. select SYS_SUPPORTS_64BIT_KERNEL
  494. select SYS_SUPPORTS_BIG_ENDIAN
  495. help
  496. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  497. kernel that runs on these, say Y here.
  498. config SGI_IP32
  499. bool "SGI IP32 (O2)"
  500. select FW_ARC
  501. select FW_ARC32
  502. select BOOT_ELF32
  503. select CEVT_R4K
  504. select CSRC_R4K
  505. select DMA_NONCOHERENT
  506. select HW_HAS_PCI
  507. select IRQ_CPU
  508. select R5000_CPU_SCACHE
  509. select RM7000_CPU_SCACHE
  510. select SYS_HAS_CPU_R5000
  511. select SYS_HAS_CPU_R10000 if BROKEN
  512. select SYS_HAS_CPU_RM7000
  513. select SYS_HAS_CPU_NEVADA
  514. select SYS_SUPPORTS_64BIT_KERNEL
  515. select SYS_SUPPORTS_BIG_ENDIAN
  516. help
  517. If you want this kernel to run on SGI O2 workstation, say Y here.
  518. config SIBYTE_CRHINE
  519. bool "Sibyte BCM91120C-CRhine"
  520. depends on EXPERIMENTAL
  521. select BOOT_ELF32
  522. select DMA_COHERENT
  523. select SIBYTE_BCM1120
  524. select SWAP_IO_SPACE
  525. select SYS_HAS_CPU_SB1
  526. select SYS_SUPPORTS_BIG_ENDIAN
  527. select SYS_SUPPORTS_LITTLE_ENDIAN
  528. config SIBYTE_CARMEL
  529. bool "Sibyte BCM91120x-Carmel"
  530. depends on EXPERIMENTAL
  531. select BOOT_ELF32
  532. select DMA_COHERENT
  533. select SIBYTE_BCM1120
  534. select SWAP_IO_SPACE
  535. select SYS_HAS_CPU_SB1
  536. select SYS_SUPPORTS_BIG_ENDIAN
  537. select SYS_SUPPORTS_LITTLE_ENDIAN
  538. config SIBYTE_CRHONE
  539. bool "Sibyte BCM91125C-CRhone"
  540. depends on EXPERIMENTAL
  541. select BOOT_ELF32
  542. select DMA_COHERENT
  543. select SIBYTE_BCM1125
  544. select SWAP_IO_SPACE
  545. select SYS_HAS_CPU_SB1
  546. select SYS_SUPPORTS_BIG_ENDIAN
  547. select SYS_SUPPORTS_HIGHMEM
  548. select SYS_SUPPORTS_LITTLE_ENDIAN
  549. config SIBYTE_RHONE
  550. bool "Sibyte BCM91125E-Rhone"
  551. depends on EXPERIMENTAL
  552. select BOOT_ELF32
  553. select DMA_COHERENT
  554. select SIBYTE_BCM1125H
  555. select SWAP_IO_SPACE
  556. select SYS_HAS_CPU_SB1
  557. select SYS_SUPPORTS_BIG_ENDIAN
  558. select SYS_SUPPORTS_LITTLE_ENDIAN
  559. config SIBYTE_SWARM
  560. bool "Sibyte BCM91250A-SWARM"
  561. select BOOT_ELF32
  562. select DMA_COHERENT
  563. select HAVE_PATA_PLATFORM
  564. select NR_CPUS_DEFAULT_2
  565. select SIBYTE_SB1250
  566. select SWAP_IO_SPACE
  567. select SYS_HAS_CPU_SB1
  568. select SYS_SUPPORTS_BIG_ENDIAN
  569. select SYS_SUPPORTS_HIGHMEM
  570. select SYS_SUPPORTS_LITTLE_ENDIAN
  571. select ZONE_DMA32 if 64BIT
  572. config SIBYTE_LITTLESUR
  573. bool "Sibyte BCM91250C2-LittleSur"
  574. depends on EXPERIMENTAL
  575. select BOOT_ELF32
  576. select DMA_COHERENT
  577. select HAVE_PATA_PLATFORM
  578. select NR_CPUS_DEFAULT_2
  579. select SIBYTE_SB1250
  580. select SWAP_IO_SPACE
  581. select SYS_HAS_CPU_SB1
  582. select SYS_SUPPORTS_BIG_ENDIAN
  583. select SYS_SUPPORTS_HIGHMEM
  584. select SYS_SUPPORTS_LITTLE_ENDIAN
  585. config SIBYTE_SENTOSA
  586. bool "Sibyte BCM91250E-Sentosa"
  587. depends on EXPERIMENTAL
  588. select BOOT_ELF32
  589. select DMA_COHERENT
  590. select NR_CPUS_DEFAULT_2
  591. select SIBYTE_SB1250
  592. select SWAP_IO_SPACE
  593. select SYS_HAS_CPU_SB1
  594. select SYS_SUPPORTS_BIG_ENDIAN
  595. select SYS_SUPPORTS_LITTLE_ENDIAN
  596. config SIBYTE_BIGSUR
  597. bool "Sibyte BCM91480B-BigSur"
  598. select BOOT_ELF32
  599. select DMA_COHERENT
  600. select NR_CPUS_DEFAULT_4
  601. select SIBYTE_BCM1x80
  602. select SWAP_IO_SPACE
  603. select SYS_HAS_CPU_SB1
  604. select SYS_SUPPORTS_BIG_ENDIAN
  605. select SYS_SUPPORTS_HIGHMEM
  606. select SYS_SUPPORTS_LITTLE_ENDIAN
  607. select ZONE_DMA32 if 64BIT
  608. config SNI_RM
  609. bool "SNI RM200/300/400"
  610. select FW_ARC if CPU_LITTLE_ENDIAN
  611. select FW_ARC32 if CPU_LITTLE_ENDIAN
  612. select SNIPROM if CPU_BIG_ENDIAN
  613. select ARCH_MAY_HAVE_PC_FDC
  614. select BOOT_ELF32
  615. select CEVT_R4K
  616. select CSRC_R4K
  617. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  618. select DMA_NONCOHERENT
  619. select GENERIC_ISA_DMA
  620. select HAVE_PCSPKR_PLATFORM
  621. select HW_HAS_EISA
  622. select HW_HAS_PCI
  623. select IRQ_CPU
  624. select I8253
  625. select I8259
  626. select ISA
  627. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  628. select SYS_HAS_CPU_R4X00
  629. select SYS_HAS_CPU_R5000
  630. select SYS_HAS_CPU_R10000
  631. select R5000_CPU_SCACHE
  632. select SYS_HAS_EARLY_PRINTK
  633. select SYS_SUPPORTS_32BIT_KERNEL
  634. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  635. select SYS_SUPPORTS_BIG_ENDIAN
  636. select SYS_SUPPORTS_HIGHMEM
  637. select SYS_SUPPORTS_LITTLE_ENDIAN
  638. help
  639. The SNI RM200/300/400 are MIPS-based machines manufactured by
  640. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  641. Technology and now in turn merged with Fujitsu. Say Y here to
  642. support this machine type.
  643. config MACH_TX39XX
  644. bool "Toshiba TX39 series based machines"
  645. config MACH_TX49XX
  646. bool "Toshiba TX49 series based machines"
  647. config MIKROTIK_RB532
  648. bool "Mikrotik RB532 boards"
  649. select CEVT_R4K
  650. select CSRC_R4K
  651. select DMA_NONCOHERENT
  652. select HW_HAS_PCI
  653. select IRQ_CPU
  654. select SYS_HAS_CPU_MIPS32_R1
  655. select SYS_SUPPORTS_32BIT_KERNEL
  656. select SYS_SUPPORTS_LITTLE_ENDIAN
  657. select SWAP_IO_SPACE
  658. select BOOT_RAW
  659. select ARCH_REQUIRE_GPIOLIB
  660. help
  661. Support the Mikrotik(tm) RouterBoard 532 series,
  662. based on the IDT RC32434 SoC.
  663. config WR_PPMC
  664. bool "Wind River PPMC board"
  665. select CEVT_R4K
  666. select CSRC_R4K
  667. select IRQ_CPU
  668. select BOOT_ELF32
  669. select DMA_NONCOHERENT
  670. select HW_HAS_PCI
  671. select PCI_GT64XXX_PCI0
  672. select SWAP_IO_SPACE
  673. select SYS_HAS_CPU_MIPS32_R1
  674. select SYS_HAS_CPU_MIPS32_R2
  675. select SYS_HAS_CPU_MIPS64_R1
  676. select SYS_HAS_CPU_NEVADA
  677. select SYS_HAS_CPU_RM7000
  678. select SYS_SUPPORTS_32BIT_KERNEL
  679. select SYS_SUPPORTS_64BIT_KERNEL
  680. select SYS_SUPPORTS_BIG_ENDIAN
  681. select SYS_SUPPORTS_LITTLE_ENDIAN
  682. help
  683. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  684. board, which is based on GT64120 bridge chip.
  685. config CAVIUM_OCTEON_SIMULATOR
  686. bool "Cavium Networks Octeon Simulator"
  687. select CEVT_R4K
  688. select 64BIT_PHYS_ADDR
  689. select DMA_COHERENT
  690. select SYS_SUPPORTS_64BIT_KERNEL
  691. select SYS_SUPPORTS_BIG_ENDIAN
  692. select SYS_SUPPORTS_HOTPLUG_CPU
  693. select SYS_HAS_CPU_CAVIUM_OCTEON
  694. select HOLES_IN_ZONE
  695. help
  696. The Octeon simulator is software performance model of the Cavium
  697. Octeon Processor. It supports simulating Octeon processors on x86
  698. hardware.
  699. config CAVIUM_OCTEON_REFERENCE_BOARD
  700. bool "Cavium Networks Octeon reference board"
  701. select CEVT_R4K
  702. select 64BIT_PHYS_ADDR
  703. select DMA_COHERENT
  704. select SYS_SUPPORTS_64BIT_KERNEL
  705. select SYS_SUPPORTS_BIG_ENDIAN
  706. select EDAC_SUPPORT
  707. select SYS_SUPPORTS_HOTPLUG_CPU
  708. select SYS_HAS_EARLY_PRINTK
  709. select SYS_HAS_CPU_CAVIUM_OCTEON
  710. select SWAP_IO_SPACE
  711. select HW_HAS_PCI
  712. select ARCH_SUPPORTS_MSI
  713. select ZONE_DMA32
  714. select USB_ARCH_HAS_OHCI
  715. select USB_ARCH_HAS_EHCI
  716. select HOLES_IN_ZONE
  717. help
  718. This option supports all of the Octeon reference boards from Cavium
  719. Networks. It builds a kernel that dynamically determines the Octeon
  720. CPU type and supports all known board reference implementations.
  721. Some of the supported boards are:
  722. EBT3000
  723. EBH3000
  724. EBH3100
  725. Thunder
  726. Kodama
  727. Hikari
  728. Say Y here for most Octeon reference boards.
  729. config NLM_XLR_BOARD
  730. bool "Netlogic XLR/XLS based systems"
  731. depends on EXPERIMENTAL
  732. select BOOT_ELF32
  733. select NLM_COMMON
  734. select SYS_HAS_CPU_XLR
  735. select SYS_SUPPORTS_SMP
  736. select HW_HAS_PCI
  737. select SWAP_IO_SPACE
  738. select SYS_SUPPORTS_32BIT_KERNEL
  739. select SYS_SUPPORTS_64BIT_KERNEL
  740. select 64BIT_PHYS_ADDR
  741. select SYS_SUPPORTS_BIG_ENDIAN
  742. select SYS_SUPPORTS_HIGHMEM
  743. select DMA_COHERENT
  744. select NR_CPUS_DEFAULT_32
  745. select CEVT_R4K
  746. select CSRC_R4K
  747. select IRQ_CPU
  748. select ARCH_SUPPORTS_MSI
  749. select ZONE_DMA32 if 64BIT
  750. select SYNC_R4K
  751. select SYS_HAS_EARLY_PRINTK
  752. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  753. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  754. help
  755. Support for systems based on Netlogic XLR and XLS processors.
  756. Say Y here if you have a XLR or XLS based board.
  757. config NLM_XLP_BOARD
  758. bool "Netlogic XLP based systems"
  759. depends on EXPERIMENTAL
  760. select BOOT_ELF32
  761. select NLM_COMMON
  762. select SYS_HAS_CPU_XLP
  763. select SYS_SUPPORTS_SMP
  764. select HW_HAS_PCI
  765. select SYS_SUPPORTS_32BIT_KERNEL
  766. select SYS_SUPPORTS_64BIT_KERNEL
  767. select 64BIT_PHYS_ADDR
  768. select SYS_SUPPORTS_BIG_ENDIAN
  769. select SYS_SUPPORTS_LITTLE_ENDIAN
  770. select SYS_SUPPORTS_HIGHMEM
  771. select DMA_COHERENT
  772. select NR_CPUS_DEFAULT_32
  773. select CEVT_R4K
  774. select CSRC_R4K
  775. select IRQ_CPU
  776. select ZONE_DMA32 if 64BIT
  777. select SYNC_R4K
  778. select SYS_HAS_EARLY_PRINTK
  779. select USE_OF
  780. help
  781. This board is based on Netlogic XLP Processor.
  782. Say Y here if you have a XLP based board.
  783. endchoice
  784. source "arch/mips/alchemy/Kconfig"
  785. source "arch/mips/ath79/Kconfig"
  786. source "arch/mips/bcm47xx/Kconfig"
  787. source "arch/mips/bcm63xx/Kconfig"
  788. source "arch/mips/jazz/Kconfig"
  789. source "arch/mips/jz4740/Kconfig"
  790. source "arch/mips/lantiq/Kconfig"
  791. source "arch/mips/lasat/Kconfig"
  792. source "arch/mips/pmc-sierra/Kconfig"
  793. source "arch/mips/powertv/Kconfig"
  794. source "arch/mips/sgi-ip27/Kconfig"
  795. source "arch/mips/sibyte/Kconfig"
  796. source "arch/mips/txx9/Kconfig"
  797. source "arch/mips/vr41xx/Kconfig"
  798. source "arch/mips/cavium-octeon/Kconfig"
  799. source "arch/mips/loongson/Kconfig"
  800. source "arch/mips/loongson1/Kconfig"
  801. source "arch/mips/netlogic/Kconfig"
  802. endmenu
  803. config RWSEM_GENERIC_SPINLOCK
  804. bool
  805. default y
  806. config RWSEM_XCHGADD_ALGORITHM
  807. bool
  808. config ARCH_HAS_ILOG2_U32
  809. bool
  810. default n
  811. config ARCH_HAS_ILOG2_U64
  812. bool
  813. default n
  814. config GENERIC_HWEIGHT
  815. bool
  816. default y
  817. config GENERIC_CALIBRATE_DELAY
  818. bool
  819. default y
  820. config SCHED_OMIT_FRAME_POINTER
  821. bool
  822. default y
  823. #
  824. # Select some configuration options automatically based on user selections.
  825. #
  826. config FW_ARC
  827. bool
  828. config ARCH_MAY_HAVE_PC_FDC
  829. bool
  830. config BOOT_RAW
  831. bool
  832. config CEVT_BCM1480
  833. bool
  834. config CEVT_DS1287
  835. bool
  836. config CEVT_GT641XX
  837. bool
  838. config CEVT_R4K
  839. bool
  840. config CEVT_SB1250
  841. bool
  842. config CEVT_TXX9
  843. bool
  844. config CSRC_BCM1480
  845. bool
  846. config CSRC_IOASIC
  847. bool
  848. config CSRC_POWERTV
  849. bool
  850. config CSRC_R4K
  851. bool
  852. config CSRC_SB1250
  853. bool
  854. config GPIO_TXX9
  855. select GENERIC_GPIO
  856. select ARCH_REQUIRE_GPIOLIB
  857. bool
  858. config FW_CFE
  859. bool
  860. config ARCH_DMA_ADDR_T_64BIT
  861. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  862. config DMA_COHERENT
  863. bool
  864. config DMA_NONCOHERENT
  865. bool
  866. select NEED_DMA_MAP_STATE
  867. config NEED_DMA_MAP_STATE
  868. bool
  869. config SYS_HAS_EARLY_PRINTK
  870. bool
  871. config HOTPLUG_CPU
  872. bool "Support for hot-pluggable CPUs"
  873. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  874. help
  875. Say Y here to allow turning CPUs off and on. CPUs can be
  876. controlled through /sys/devices/system/cpu.
  877. (Note: power management support will enable this option
  878. automatically on SMP systems. )
  879. Say N if you want to disable CPU hotplug.
  880. config SYS_SUPPORTS_HOTPLUG_CPU
  881. bool
  882. config I8259
  883. bool
  884. config MIPS_BONITO64
  885. bool
  886. config MIPS_MSC
  887. bool
  888. config MIPS_NILE4
  889. bool
  890. config MIPS_DISABLE_OBSOLETE_IDE
  891. bool
  892. config SYNC_R4K
  893. bool
  894. config MIPS_MACHINE
  895. def_bool n
  896. config NO_IOPORT
  897. def_bool n
  898. config GENERIC_ISA_DMA
  899. bool
  900. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  901. select ISA_DMA_API
  902. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  903. bool
  904. select GENERIC_ISA_DMA
  905. config ISA_DMA_API
  906. bool
  907. config GENERIC_GPIO
  908. bool
  909. config HOLES_IN_ZONE
  910. bool
  911. #
  912. # Endianness selection. Sufficiently obscure so many users don't know what to
  913. # answer,so we try hard to limit the available choices. Also the use of a
  914. # choice statement should be more obvious to the user.
  915. #
  916. choice
  917. prompt "Endianness selection"
  918. help
  919. Some MIPS machines can be configured for either little or big endian
  920. byte order. These modes require different kernels and a different
  921. Linux distribution. In general there is one preferred byteorder for a
  922. particular system but some systems are just as commonly used in the
  923. one or the other endianness.
  924. config CPU_BIG_ENDIAN
  925. bool "Big endian"
  926. depends on SYS_SUPPORTS_BIG_ENDIAN
  927. config CPU_LITTLE_ENDIAN
  928. bool "Little endian"
  929. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  930. help
  931. endchoice
  932. config EXPORT_UASM
  933. bool
  934. config SYS_SUPPORTS_APM_EMULATION
  935. bool
  936. config SYS_SUPPORTS_BIG_ENDIAN
  937. bool
  938. config SYS_SUPPORTS_LITTLE_ENDIAN
  939. bool
  940. config SYS_SUPPORTS_HUGETLBFS
  941. bool
  942. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  943. default y
  944. config MIPS_HUGE_TLB_SUPPORT
  945. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  946. config IRQ_CPU
  947. bool
  948. config IRQ_CPU_RM7K
  949. bool
  950. config IRQ_MSP_SLP
  951. bool
  952. config IRQ_MSP_CIC
  953. bool
  954. config IRQ_TXX9
  955. bool
  956. config IRQ_GT641XX
  957. bool
  958. config IRQ_GIC
  959. bool
  960. config MIPS_BOARDS_GEN
  961. bool
  962. config PCI_GT64XXX_PCI0
  963. bool
  964. config NO_EXCEPT_FILL
  965. bool
  966. config SOC_EMMA2RH
  967. bool
  968. select CEVT_R4K
  969. select CSRC_R4K
  970. select DMA_NONCOHERENT
  971. select IRQ_CPU
  972. select SWAP_IO_SPACE
  973. select SYS_HAS_CPU_R5500
  974. select SYS_SUPPORTS_32BIT_KERNEL
  975. select SYS_SUPPORTS_64BIT_KERNEL
  976. select SYS_SUPPORTS_BIG_ENDIAN
  977. config SOC_PNX833X
  978. bool
  979. select CEVT_R4K
  980. select CSRC_R4K
  981. select IRQ_CPU
  982. select DMA_NONCOHERENT
  983. select SYS_HAS_CPU_MIPS32_R2
  984. select SYS_SUPPORTS_32BIT_KERNEL
  985. select SYS_SUPPORTS_LITTLE_ENDIAN
  986. select SYS_SUPPORTS_BIG_ENDIAN
  987. select GENERIC_GPIO
  988. select CPU_MIPSR2_IRQ_VI
  989. config SOC_PNX8335
  990. bool
  991. select SOC_PNX833X
  992. config PNX8550
  993. bool
  994. select SOC_PNX8550
  995. config SOC_PNX8550
  996. bool
  997. select DMA_NONCOHERENT
  998. select HW_HAS_PCI
  999. select SYS_HAS_CPU_MIPS32_R1
  1000. select SYS_HAS_EARLY_PRINTK
  1001. select SYS_SUPPORTS_32BIT_KERNEL
  1002. select GENERIC_GPIO
  1003. config SWAP_IO_SPACE
  1004. bool
  1005. config SGI_HAS_INDYDOG
  1006. bool
  1007. config SGI_HAS_HAL2
  1008. bool
  1009. config SGI_HAS_SEEQ
  1010. bool
  1011. config SGI_HAS_WD93
  1012. bool
  1013. config SGI_HAS_ZILOG
  1014. bool
  1015. config SGI_HAS_I8042
  1016. bool
  1017. config DEFAULT_SGI_PARTITION
  1018. bool
  1019. config FW_ARC32
  1020. bool
  1021. config SNIPROM
  1022. bool
  1023. config BOOT_ELF32
  1024. bool
  1025. config MIPS_L1_CACHE_SHIFT
  1026. int
  1027. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1028. default "6" if MIPS_CPU_SCACHE
  1029. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1030. default "5"
  1031. config HAVE_STD_PC_SERIAL_PORT
  1032. bool
  1033. config ARC_CONSOLE
  1034. bool "ARC console support"
  1035. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1036. config ARC_MEMORY
  1037. bool
  1038. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1039. default y
  1040. config ARC_PROMLIB
  1041. bool
  1042. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1043. default y
  1044. config FW_ARC64
  1045. bool
  1046. config BOOT_ELF64
  1047. bool
  1048. menu "CPU selection"
  1049. choice
  1050. prompt "CPU type"
  1051. default CPU_R4X00
  1052. config CPU_LOONGSON2E
  1053. bool "Loongson 2E"
  1054. depends on SYS_HAS_CPU_LOONGSON2E
  1055. select CPU_LOONGSON2
  1056. help
  1057. The Loongson 2E processor implements the MIPS III instruction set
  1058. with many extensions.
  1059. It has an internal FPGA northbridge, which is compatible to
  1060. bonito64.
  1061. config CPU_LOONGSON2F
  1062. bool "Loongson 2F"
  1063. depends on SYS_HAS_CPU_LOONGSON2F
  1064. select CPU_LOONGSON2
  1065. select GENERIC_GPIO
  1066. select ARCH_REQUIRE_GPIOLIB
  1067. help
  1068. The Loongson 2F processor implements the MIPS III instruction set
  1069. with many extensions.
  1070. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1071. have a similar programming interface with FPGA northbridge used in
  1072. Loongson2E.
  1073. config CPU_LOONGSON1B
  1074. bool "Loongson 1B"
  1075. depends on SYS_HAS_CPU_LOONGSON1B
  1076. select CPU_LOONGSON1
  1077. help
  1078. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1079. release 2 instruction set.
  1080. config CPU_MIPS32_R1
  1081. bool "MIPS32 Release 1"
  1082. depends on SYS_HAS_CPU_MIPS32_R1
  1083. select CPU_HAS_PREFETCH
  1084. select CPU_SUPPORTS_32BIT_KERNEL
  1085. select CPU_SUPPORTS_HIGHMEM
  1086. help
  1087. Choose this option to build a kernel for release 1 or later of the
  1088. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1089. MIPS processor are based on a MIPS32 processor. If you know the
  1090. specific type of processor in your system, choose those that one
  1091. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1092. Release 2 of the MIPS32 architecture is available since several
  1093. years so chances are you even have a MIPS32 Release 2 processor
  1094. in which case you should choose CPU_MIPS32_R2 instead for better
  1095. performance.
  1096. config CPU_MIPS32_R2
  1097. bool "MIPS32 Release 2"
  1098. depends on SYS_HAS_CPU_MIPS32_R2
  1099. select CPU_HAS_PREFETCH
  1100. select CPU_SUPPORTS_32BIT_KERNEL
  1101. select CPU_SUPPORTS_HIGHMEM
  1102. help
  1103. Choose this option to build a kernel for release 2 or later of the
  1104. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1105. MIPS processor are based on a MIPS32 processor. If you know the
  1106. specific type of processor in your system, choose those that one
  1107. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1108. config CPU_MIPS64_R1
  1109. bool "MIPS64 Release 1"
  1110. depends on SYS_HAS_CPU_MIPS64_R1
  1111. select CPU_HAS_PREFETCH
  1112. select CPU_SUPPORTS_32BIT_KERNEL
  1113. select CPU_SUPPORTS_64BIT_KERNEL
  1114. select CPU_SUPPORTS_HIGHMEM
  1115. select CPU_SUPPORTS_HUGEPAGES
  1116. help
  1117. Choose this option to build a kernel for release 1 or later of the
  1118. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1119. MIPS processor are based on a MIPS64 processor. If you know the
  1120. specific type of processor in your system, choose those that one
  1121. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1122. Release 2 of the MIPS64 architecture is available since several
  1123. years so chances are you even have a MIPS64 Release 2 processor
  1124. in which case you should choose CPU_MIPS64_R2 instead for better
  1125. performance.
  1126. config CPU_MIPS64_R2
  1127. bool "MIPS64 Release 2"
  1128. depends on SYS_HAS_CPU_MIPS64_R2
  1129. select CPU_HAS_PREFETCH
  1130. select CPU_SUPPORTS_32BIT_KERNEL
  1131. select CPU_SUPPORTS_64BIT_KERNEL
  1132. select CPU_SUPPORTS_HIGHMEM
  1133. select CPU_SUPPORTS_HUGEPAGES
  1134. help
  1135. Choose this option to build a kernel for release 2 or later of the
  1136. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1137. MIPS processor are based on a MIPS64 processor. If you know the
  1138. specific type of processor in your system, choose those that one
  1139. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1140. config CPU_R3000
  1141. bool "R3000"
  1142. depends on SYS_HAS_CPU_R3000
  1143. select CPU_HAS_WB
  1144. select CPU_SUPPORTS_32BIT_KERNEL
  1145. select CPU_SUPPORTS_HIGHMEM
  1146. help
  1147. Please make sure to pick the right CPU type. Linux/MIPS is not
  1148. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1149. *not* work on R4000 machines and vice versa. However, since most
  1150. of the supported machines have an R4000 (or similar) CPU, R4x00
  1151. might be a safe bet. If the resulting kernel does not work,
  1152. try to recompile with R3000.
  1153. config CPU_TX39XX
  1154. bool "R39XX"
  1155. depends on SYS_HAS_CPU_TX39XX
  1156. select CPU_SUPPORTS_32BIT_KERNEL
  1157. config CPU_VR41XX
  1158. bool "R41xx"
  1159. depends on SYS_HAS_CPU_VR41XX
  1160. select CPU_SUPPORTS_32BIT_KERNEL
  1161. select CPU_SUPPORTS_64BIT_KERNEL
  1162. help
  1163. The options selects support for the NEC VR4100 series of processors.
  1164. Only choose this option if you have one of these processors as a
  1165. kernel built with this option will not run on any other type of
  1166. processor or vice versa.
  1167. config CPU_R4300
  1168. bool "R4300"
  1169. depends on SYS_HAS_CPU_R4300
  1170. select CPU_SUPPORTS_32BIT_KERNEL
  1171. select CPU_SUPPORTS_64BIT_KERNEL
  1172. help
  1173. MIPS Technologies R4300-series processors.
  1174. config CPU_R4X00
  1175. bool "R4x00"
  1176. depends on SYS_HAS_CPU_R4X00
  1177. select CPU_SUPPORTS_32BIT_KERNEL
  1178. select CPU_SUPPORTS_64BIT_KERNEL
  1179. select CPU_SUPPORTS_HUGEPAGES
  1180. help
  1181. MIPS Technologies R4000-series processors other than 4300, including
  1182. the R4000, R4400, R4600, and 4700.
  1183. config CPU_TX49XX
  1184. bool "R49XX"
  1185. depends on SYS_HAS_CPU_TX49XX
  1186. select CPU_HAS_PREFETCH
  1187. select CPU_SUPPORTS_32BIT_KERNEL
  1188. select CPU_SUPPORTS_64BIT_KERNEL
  1189. select CPU_SUPPORTS_HUGEPAGES
  1190. config CPU_R5000
  1191. bool "R5000"
  1192. depends on SYS_HAS_CPU_R5000
  1193. select CPU_SUPPORTS_32BIT_KERNEL
  1194. select CPU_SUPPORTS_64BIT_KERNEL
  1195. select CPU_SUPPORTS_HUGEPAGES
  1196. help
  1197. MIPS Technologies R5000-series processors other than the Nevada.
  1198. config CPU_R5432
  1199. bool "R5432"
  1200. depends on SYS_HAS_CPU_R5432
  1201. select CPU_SUPPORTS_32BIT_KERNEL
  1202. select CPU_SUPPORTS_64BIT_KERNEL
  1203. select CPU_SUPPORTS_HUGEPAGES
  1204. config CPU_R5500
  1205. bool "R5500"
  1206. depends on SYS_HAS_CPU_R5500
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. select CPU_SUPPORTS_HUGEPAGES
  1210. help
  1211. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1212. instruction set.
  1213. config CPU_R6000
  1214. bool "R6000"
  1215. depends on EXPERIMENTAL
  1216. depends on SYS_HAS_CPU_R6000
  1217. select CPU_SUPPORTS_32BIT_KERNEL
  1218. help
  1219. MIPS Technologies R6000 and R6000A series processors. Note these
  1220. processors are extremely rare and the support for them is incomplete.
  1221. config CPU_NEVADA
  1222. bool "RM52xx"
  1223. depends on SYS_HAS_CPU_NEVADA
  1224. select CPU_SUPPORTS_32BIT_KERNEL
  1225. select CPU_SUPPORTS_64BIT_KERNEL
  1226. select CPU_SUPPORTS_HUGEPAGES
  1227. help
  1228. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1229. config CPU_R8000
  1230. bool "R8000"
  1231. depends on EXPERIMENTAL
  1232. depends on SYS_HAS_CPU_R8000
  1233. select CPU_HAS_PREFETCH
  1234. select CPU_SUPPORTS_64BIT_KERNEL
  1235. help
  1236. MIPS Technologies R8000 processors. Note these processors are
  1237. uncommon and the support for them is incomplete.
  1238. config CPU_R10000
  1239. bool "R10000"
  1240. depends on SYS_HAS_CPU_R10000
  1241. select CPU_HAS_PREFETCH
  1242. select CPU_SUPPORTS_32BIT_KERNEL
  1243. select CPU_SUPPORTS_64BIT_KERNEL
  1244. select CPU_SUPPORTS_HIGHMEM
  1245. select CPU_SUPPORTS_HUGEPAGES
  1246. help
  1247. MIPS Technologies R10000-series processors.
  1248. config CPU_RM7000
  1249. bool "RM7000"
  1250. depends on SYS_HAS_CPU_RM7000
  1251. select CPU_HAS_PREFETCH
  1252. select CPU_SUPPORTS_32BIT_KERNEL
  1253. select CPU_SUPPORTS_64BIT_KERNEL
  1254. select CPU_SUPPORTS_HIGHMEM
  1255. select CPU_SUPPORTS_HUGEPAGES
  1256. config CPU_SB1
  1257. bool "SB1"
  1258. depends on SYS_HAS_CPU_SB1
  1259. select CPU_SUPPORTS_32BIT_KERNEL
  1260. select CPU_SUPPORTS_64BIT_KERNEL
  1261. select CPU_SUPPORTS_HIGHMEM
  1262. select CPU_SUPPORTS_HUGEPAGES
  1263. select WEAK_ORDERING
  1264. config CPU_CAVIUM_OCTEON
  1265. bool "Cavium Octeon processor"
  1266. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1267. select ARCH_SPARSEMEM_ENABLE
  1268. select CPU_HAS_PREFETCH
  1269. select CPU_SUPPORTS_64BIT_KERNEL
  1270. select SYS_SUPPORTS_SMP
  1271. select NR_CPUS_DEFAULT_16
  1272. select WEAK_ORDERING
  1273. select CPU_SUPPORTS_HIGHMEM
  1274. select CPU_SUPPORTS_HUGEPAGES
  1275. select LIBFDT
  1276. select USE_OF
  1277. help
  1278. The Cavium Octeon processor is a highly integrated chip containing
  1279. many ethernet hardware widgets for networking tasks. The processor
  1280. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1281. Full details can be found at http://www.caviumnetworks.com.
  1282. config CPU_BMIPS3300
  1283. bool "BMIPS3300"
  1284. depends on SYS_HAS_CPU_BMIPS3300
  1285. select CPU_BMIPS
  1286. help
  1287. Broadcom BMIPS3300 processors.
  1288. config CPU_BMIPS4350
  1289. bool "BMIPS4350"
  1290. depends on SYS_HAS_CPU_BMIPS4350
  1291. select CPU_BMIPS
  1292. select SYS_SUPPORTS_SMP
  1293. select SYS_SUPPORTS_HOTPLUG_CPU
  1294. help
  1295. Broadcom BMIPS4350 ("VIPER") processors.
  1296. config CPU_BMIPS4380
  1297. bool "BMIPS4380"
  1298. depends on SYS_HAS_CPU_BMIPS4380
  1299. select CPU_BMIPS
  1300. select SYS_SUPPORTS_SMP
  1301. select SYS_SUPPORTS_HOTPLUG_CPU
  1302. help
  1303. Broadcom BMIPS4380 processors.
  1304. config CPU_BMIPS5000
  1305. bool "BMIPS5000"
  1306. depends on SYS_HAS_CPU_BMIPS5000
  1307. select CPU_BMIPS
  1308. select CPU_SUPPORTS_HIGHMEM
  1309. select MIPS_CPU_SCACHE
  1310. select SYS_SUPPORTS_SMP
  1311. select SYS_SUPPORTS_HOTPLUG_CPU
  1312. help
  1313. Broadcom BMIPS5000 processors.
  1314. config CPU_XLR
  1315. bool "Netlogic XLR SoC"
  1316. depends on SYS_HAS_CPU_XLR
  1317. select CPU_SUPPORTS_32BIT_KERNEL
  1318. select CPU_SUPPORTS_64BIT_KERNEL
  1319. select CPU_SUPPORTS_HIGHMEM
  1320. select CPU_SUPPORTS_HUGEPAGES
  1321. select WEAK_ORDERING
  1322. select WEAK_REORDERING_BEYOND_LLSC
  1323. help
  1324. Netlogic Microsystems XLR/XLS processors.
  1325. config CPU_XLP
  1326. bool "Netlogic XLP SoC"
  1327. depends on SYS_HAS_CPU_XLP
  1328. select CPU_SUPPORTS_32BIT_KERNEL
  1329. select CPU_SUPPORTS_64BIT_KERNEL
  1330. select CPU_SUPPORTS_HIGHMEM
  1331. select CPU_HAS_LLSC
  1332. select WEAK_ORDERING
  1333. select WEAK_REORDERING_BEYOND_LLSC
  1334. select CPU_HAS_PREFETCH
  1335. select CPU_MIPSR2
  1336. help
  1337. Netlogic Microsystems XLP processors.
  1338. endchoice
  1339. if CPU_LOONGSON2F
  1340. config CPU_NOP_WORKAROUNDS
  1341. bool
  1342. config CPU_JUMP_WORKAROUNDS
  1343. bool
  1344. config CPU_LOONGSON2F_WORKAROUNDS
  1345. bool "Loongson 2F Workarounds"
  1346. default y
  1347. select CPU_NOP_WORKAROUNDS
  1348. select CPU_JUMP_WORKAROUNDS
  1349. help
  1350. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1351. require workarounds. Without workarounds the system may hang
  1352. unexpectedly. For more information please refer to the gas
  1353. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1354. Loongson 2F03 and later have fixed these issues and no workarounds
  1355. are needed. The workarounds have no significant side effect on them
  1356. but may decrease the performance of the system so this option should
  1357. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1358. systems.
  1359. If unsure, please say Y.
  1360. endif # CPU_LOONGSON2F
  1361. config SYS_SUPPORTS_ZBOOT
  1362. bool
  1363. select HAVE_KERNEL_GZIP
  1364. select HAVE_KERNEL_BZIP2
  1365. select HAVE_KERNEL_LZMA
  1366. select HAVE_KERNEL_LZO
  1367. config SYS_SUPPORTS_ZBOOT_UART16550
  1368. bool
  1369. select SYS_SUPPORTS_ZBOOT
  1370. config CPU_LOONGSON2
  1371. bool
  1372. select CPU_SUPPORTS_32BIT_KERNEL
  1373. select CPU_SUPPORTS_64BIT_KERNEL
  1374. select CPU_SUPPORTS_HIGHMEM
  1375. select CPU_SUPPORTS_HUGEPAGES
  1376. config CPU_LOONGSON1
  1377. bool
  1378. select CPU_MIPS32
  1379. select CPU_MIPSR2
  1380. select CPU_HAS_PREFETCH
  1381. select CPU_SUPPORTS_32BIT_KERNEL
  1382. select CPU_SUPPORTS_HIGHMEM
  1383. config CPU_BMIPS
  1384. bool
  1385. select CPU_MIPS32
  1386. select CPU_SUPPORTS_32BIT_KERNEL
  1387. select DMA_NONCOHERENT
  1388. select IRQ_CPU
  1389. select SWAP_IO_SPACE
  1390. select WEAK_ORDERING
  1391. config SYS_HAS_CPU_LOONGSON2E
  1392. bool
  1393. config SYS_HAS_CPU_LOONGSON2F
  1394. bool
  1395. select CPU_SUPPORTS_CPUFREQ
  1396. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1397. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1398. config SYS_HAS_CPU_LOONGSON1B
  1399. bool
  1400. config SYS_HAS_CPU_MIPS32_R1
  1401. bool
  1402. config SYS_HAS_CPU_MIPS32_R2
  1403. bool
  1404. config SYS_HAS_CPU_MIPS64_R1
  1405. bool
  1406. config SYS_HAS_CPU_MIPS64_R2
  1407. bool
  1408. config SYS_HAS_CPU_R3000
  1409. bool
  1410. config SYS_HAS_CPU_TX39XX
  1411. bool
  1412. config SYS_HAS_CPU_VR41XX
  1413. bool
  1414. config SYS_HAS_CPU_R4300
  1415. bool
  1416. config SYS_HAS_CPU_R4X00
  1417. bool
  1418. config SYS_HAS_CPU_TX49XX
  1419. bool
  1420. config SYS_HAS_CPU_R5000
  1421. bool
  1422. config SYS_HAS_CPU_R5432
  1423. bool
  1424. config SYS_HAS_CPU_R5500
  1425. bool
  1426. config SYS_HAS_CPU_R6000
  1427. bool
  1428. config SYS_HAS_CPU_NEVADA
  1429. bool
  1430. config SYS_HAS_CPU_R8000
  1431. bool
  1432. config SYS_HAS_CPU_R10000
  1433. bool
  1434. config SYS_HAS_CPU_RM7000
  1435. bool
  1436. config SYS_HAS_CPU_SB1
  1437. bool
  1438. config SYS_HAS_CPU_CAVIUM_OCTEON
  1439. bool
  1440. config SYS_HAS_CPU_BMIPS3300
  1441. bool
  1442. config SYS_HAS_CPU_BMIPS4350
  1443. bool
  1444. config SYS_HAS_CPU_BMIPS4380
  1445. bool
  1446. config SYS_HAS_CPU_BMIPS5000
  1447. bool
  1448. config SYS_HAS_CPU_XLR
  1449. bool
  1450. config SYS_HAS_CPU_XLP
  1451. bool
  1452. #
  1453. # CPU may reorder R->R, R->W, W->R, W->W
  1454. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1455. #
  1456. config WEAK_ORDERING
  1457. bool
  1458. #
  1459. # CPU may reorder reads and writes beyond LL/SC
  1460. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1461. #
  1462. config WEAK_REORDERING_BEYOND_LLSC
  1463. bool
  1464. endmenu
  1465. #
  1466. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1467. #
  1468. config CPU_MIPS32
  1469. bool
  1470. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1471. config CPU_MIPS64
  1472. bool
  1473. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1474. #
  1475. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1476. #
  1477. config CPU_MIPSR1
  1478. bool
  1479. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1480. config CPU_MIPSR2
  1481. bool
  1482. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1483. config SYS_SUPPORTS_32BIT_KERNEL
  1484. bool
  1485. config SYS_SUPPORTS_64BIT_KERNEL
  1486. bool
  1487. config CPU_SUPPORTS_32BIT_KERNEL
  1488. bool
  1489. config CPU_SUPPORTS_64BIT_KERNEL
  1490. bool
  1491. config CPU_SUPPORTS_CPUFREQ
  1492. bool
  1493. config CPU_SUPPORTS_ADDRWINCFG
  1494. bool
  1495. config CPU_SUPPORTS_HUGEPAGES
  1496. bool
  1497. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1498. bool
  1499. config MIPS_PGD_C0_CONTEXT
  1500. bool
  1501. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1502. #
  1503. # Set to y for ptrace access to watch registers.
  1504. #
  1505. config HARDWARE_WATCHPOINTS
  1506. bool
  1507. default y if CPU_MIPSR1 || CPU_MIPSR2
  1508. menu "Kernel type"
  1509. choice
  1510. prompt "Kernel code model"
  1511. help
  1512. You should only select this option if you have a workload that
  1513. actually benefits from 64-bit processing or if your machine has
  1514. large memory. You will only be presented a single option in this
  1515. menu if your system does not support both 32-bit and 64-bit kernels.
  1516. config 32BIT
  1517. bool "32-bit kernel"
  1518. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1519. select TRAD_SIGNALS
  1520. help
  1521. Select this option if you want to build a 32-bit kernel.
  1522. config 64BIT
  1523. bool "64-bit kernel"
  1524. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1525. select HAVE_SYSCALL_WRAPPERS
  1526. help
  1527. Select this option if you want to build a 64-bit kernel.
  1528. endchoice
  1529. choice
  1530. prompt "Kernel page size"
  1531. default PAGE_SIZE_4KB
  1532. config PAGE_SIZE_4KB
  1533. bool "4kB"
  1534. depends on !CPU_LOONGSON2
  1535. help
  1536. This option select the standard 4kB Linux page size. On some
  1537. R3000-family processors this is the only available page size. Using
  1538. 4kB page size will minimize memory consumption and is therefore
  1539. recommended for low memory systems.
  1540. config PAGE_SIZE_8KB
  1541. bool "8kB"
  1542. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1543. help
  1544. Using 8kB page size will result in higher performance kernel at
  1545. the price of higher memory consumption. This option is available
  1546. only on R8000 and cnMIPS processors. Note that you will need a
  1547. suitable Linux distribution to support this.
  1548. config PAGE_SIZE_16KB
  1549. bool "16kB"
  1550. depends on !CPU_R3000 && !CPU_TX39XX
  1551. help
  1552. Using 16kB page size will result in higher performance kernel at
  1553. the price of higher memory consumption. This option is available on
  1554. all non-R3000 family processors. Note that you will need a suitable
  1555. Linux distribution to support this.
  1556. config PAGE_SIZE_32KB
  1557. bool "32kB"
  1558. depends on CPU_CAVIUM_OCTEON
  1559. help
  1560. Using 32kB page size will result in higher performance kernel at
  1561. the price of higher memory consumption. This option is available
  1562. only on cnMIPS cores. Note that you will need a suitable Linux
  1563. distribution to support this.
  1564. config PAGE_SIZE_64KB
  1565. bool "64kB"
  1566. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1567. help
  1568. Using 64kB page size will result in higher performance kernel at
  1569. the price of higher memory consumption. This option is available on
  1570. all non-R3000 family processor. Not that at the time of this
  1571. writing this option is still high experimental.
  1572. endchoice
  1573. config FORCE_MAX_ZONEORDER
  1574. int "Maximum zone order"
  1575. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1576. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1577. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1578. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1579. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1580. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1581. range 11 64
  1582. default "11"
  1583. help
  1584. The kernel memory allocator divides physically contiguous memory
  1585. blocks into "zones", where each zone is a power of two number of
  1586. pages. This option selects the largest power of two that the kernel
  1587. keeps in the memory allocator. If you need to allocate very large
  1588. blocks of physically contiguous memory, then you may need to
  1589. increase this value.
  1590. This config option is actually maximum order plus one. For example,
  1591. a value of 11 means that the largest free memory block is 2^10 pages.
  1592. The page size is not necessarily 4KB. Keep this in mind
  1593. when choosing a value for this option.
  1594. config BOARD_SCACHE
  1595. bool
  1596. config IP22_CPU_SCACHE
  1597. bool
  1598. select BOARD_SCACHE
  1599. #
  1600. # Support for a MIPS32 / MIPS64 style S-caches
  1601. #
  1602. config MIPS_CPU_SCACHE
  1603. bool
  1604. select BOARD_SCACHE
  1605. config R5000_CPU_SCACHE
  1606. bool
  1607. select BOARD_SCACHE
  1608. config RM7000_CPU_SCACHE
  1609. bool
  1610. select BOARD_SCACHE
  1611. config SIBYTE_DMA_PAGEOPS
  1612. bool "Use DMA to clear/copy pages"
  1613. depends on CPU_SB1
  1614. help
  1615. Instead of using the CPU to zero and copy pages, use a Data Mover
  1616. channel. These DMA channels are otherwise unused by the standard
  1617. SiByte Linux port. Seems to give a small performance benefit.
  1618. config CPU_HAS_PREFETCH
  1619. bool
  1620. config CPU_GENERIC_DUMP_TLB
  1621. bool
  1622. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1623. config CPU_R4K_FPU
  1624. bool
  1625. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1626. config CPU_R4K_CACHE_TLB
  1627. bool
  1628. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1629. choice
  1630. prompt "MIPS MT options"
  1631. config MIPS_MT_DISABLED
  1632. bool "Disable multithreading support."
  1633. help
  1634. Use this option if your workload can't take advantage of
  1635. MIPS hardware multithreading support. On systems that don't have
  1636. the option of an MT-enabled processor this option will be the only
  1637. option in this menu.
  1638. config MIPS_MT_SMP
  1639. bool "Use 1 TC on each available VPE for SMP"
  1640. depends on SYS_SUPPORTS_MULTITHREADING
  1641. select CPU_MIPSR2_IRQ_VI
  1642. select CPU_MIPSR2_IRQ_EI
  1643. select MIPS_MT
  1644. select NR_CPUS_DEFAULT_2
  1645. select SMP
  1646. select SYS_SUPPORTS_SCHED_SMT if SMP
  1647. select SYS_SUPPORTS_SMP
  1648. select SMP_UP
  1649. select MIPS_PERF_SHARED_TC_COUNTERS
  1650. help
  1651. This is a kernel model which is known a VSMP but lately has been
  1652. marketesed into SMVP.
  1653. Virtual SMP uses the processor's VPEs to implement virtual
  1654. processors. In currently available configuration of the 34K processor
  1655. this allows for a dual processor. Both processors will share the same
  1656. primary caches; each will obtain the half of the TLB for it's own
  1657. exclusive use. For a layman this model can be described as similar to
  1658. what Intel calls Hyperthreading.
  1659. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1660. config MIPS_MT_SMTC
  1661. bool "SMTC: Use all TCs on all VPEs for SMP"
  1662. depends on CPU_MIPS32_R2
  1663. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1664. depends on SYS_SUPPORTS_MULTITHREADING
  1665. select CPU_MIPSR2_IRQ_VI
  1666. select CPU_MIPSR2_IRQ_EI
  1667. select MIPS_MT
  1668. select NR_CPUS_DEFAULT_8
  1669. select SMP
  1670. select SYS_SUPPORTS_SMP
  1671. select SMP_UP
  1672. help
  1673. This is a kernel model which is known a SMTC or lately has been
  1674. marketesed into SMVP.
  1675. is presenting the available TC's of the core as processors to Linux.
  1676. On currently available 34K processors this means a Linux system will
  1677. see up to 5 processors. The implementation of the SMTC kernel differs
  1678. significantly from VSMP and cannot efficiently coexist in the same
  1679. kernel binary so the choice between VSMP and SMTC is a compile time
  1680. decision.
  1681. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1682. endchoice
  1683. config MIPS_MT
  1684. bool
  1685. config SCHED_SMT
  1686. bool "SMT (multithreading) scheduler support"
  1687. depends on SYS_SUPPORTS_SCHED_SMT
  1688. default n
  1689. help
  1690. SMT scheduler support improves the CPU scheduler's decision making
  1691. when dealing with MIPS MT enabled cores at a cost of slightly
  1692. increased overhead in some places. If unsure say N here.
  1693. config SYS_SUPPORTS_SCHED_SMT
  1694. bool
  1695. config SYS_SUPPORTS_MULTITHREADING
  1696. bool
  1697. config MIPS_MT_FPAFF
  1698. bool "Dynamic FPU affinity for FP-intensive threads"
  1699. default y
  1700. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1701. config MIPS_VPE_LOADER
  1702. bool "VPE loader support."
  1703. depends on SYS_SUPPORTS_MULTITHREADING
  1704. select CPU_MIPSR2_IRQ_VI
  1705. select CPU_MIPSR2_IRQ_EI
  1706. select MIPS_MT
  1707. help
  1708. Includes a loader for loading an elf relocatable object
  1709. onto another VPE and running it.
  1710. config MIPS_MT_SMTC_IM_BACKSTOP
  1711. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1712. depends on MIPS_MT_SMTC
  1713. default n
  1714. help
  1715. To support multiple TC microthreads acting as "CPUs" within
  1716. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1717. during interrupt handling. To support legacy drivers and interrupt
  1718. controller management code, SMTC has a "backstop" to track and
  1719. if necessary restore the interrupt mask. This has some performance
  1720. impact on interrupt service overhead.
  1721. config MIPS_MT_SMTC_IRQAFF
  1722. bool "Support IRQ affinity API"
  1723. depends on MIPS_MT_SMTC
  1724. default n
  1725. help
  1726. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1727. for SMTC Linux kernel. Requires platform support, of which
  1728. an example can be found in the MIPS kernel i8259 and Malta
  1729. platform code. Adds some overhead to interrupt dispatch, and
  1730. should be used only if you know what you are doing.
  1731. config MIPS_VPE_LOADER_TOM
  1732. bool "Load VPE program into memory hidden from linux"
  1733. depends on MIPS_VPE_LOADER
  1734. default y
  1735. help
  1736. The loader can use memory that is present but has been hidden from
  1737. Linux using the kernel command line option "mem=xxMB". It's up to
  1738. you to ensure the amount you put in the option and the space your
  1739. program requires is less or equal to the amount physically present.
  1740. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1741. config MIPS_VPE_APSP_API
  1742. bool "Enable support for AP/SP API (RTLX)"
  1743. depends on MIPS_VPE_LOADER
  1744. help
  1745. config MIPS_CMP
  1746. bool "MIPS CMP framework support"
  1747. depends on SYS_SUPPORTS_MIPS_CMP
  1748. select SYNC_R4K
  1749. select SYS_SUPPORTS_SMP
  1750. select SYS_SUPPORTS_SCHED_SMT if SMP
  1751. select WEAK_ORDERING
  1752. default n
  1753. help
  1754. This is a placeholder option for the GCMP work. It will need to
  1755. be handled differently...
  1756. config SB1_PASS_1_WORKAROUNDS
  1757. bool
  1758. depends on CPU_SB1_PASS_1
  1759. default y
  1760. config SB1_PASS_2_WORKAROUNDS
  1761. bool
  1762. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1763. default y
  1764. config SB1_PASS_2_1_WORKAROUNDS
  1765. bool
  1766. depends on CPU_SB1 && CPU_SB1_PASS_2
  1767. default y
  1768. config 64BIT_PHYS_ADDR
  1769. bool
  1770. config ARCH_PHYS_ADDR_T_64BIT
  1771. def_bool 64BIT_PHYS_ADDR
  1772. config CPU_HAS_SMARTMIPS
  1773. depends on SYS_SUPPORTS_SMARTMIPS
  1774. bool "Support for the SmartMIPS ASE"
  1775. help
  1776. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1777. increased security at both hardware and software level for
  1778. smartcards. Enabling this option will allow proper use of the
  1779. SmartMIPS instructions by Linux applications. However a kernel with
  1780. this option will not work on a MIPS core without SmartMIPS core. If
  1781. you don't know you probably don't have SmartMIPS and should say N
  1782. here.
  1783. config CPU_HAS_WB
  1784. bool
  1785. config XKS01
  1786. bool
  1787. #
  1788. # Vectored interrupt mode is an R2 feature
  1789. #
  1790. config CPU_MIPSR2_IRQ_VI
  1791. bool
  1792. #
  1793. # Extended interrupt mode is an R2 feature
  1794. #
  1795. config CPU_MIPSR2_IRQ_EI
  1796. bool
  1797. config CPU_HAS_SYNC
  1798. bool
  1799. depends on !CPU_R3000
  1800. default y
  1801. #
  1802. # CPU non-features
  1803. #
  1804. config CPU_DADDI_WORKAROUNDS
  1805. bool
  1806. config CPU_R4000_WORKAROUNDS
  1807. bool
  1808. select CPU_R4400_WORKAROUNDS
  1809. config CPU_R4400_WORKAROUNDS
  1810. bool
  1811. #
  1812. # - Highmem only makes sense for the 32-bit kernel.
  1813. # - The current highmem code will only work properly on physically indexed
  1814. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1815. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1816. # moment we protect the user and offer the highmem option only on machines
  1817. # where it's known to be safe. This will not offer highmem on a few systems
  1818. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1819. # indexed CPUs but we're playing safe.
  1820. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1821. # know they might have memory configurations that could make use of highmem
  1822. # support.
  1823. #
  1824. config HIGHMEM
  1825. bool "High Memory Support"
  1826. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1827. config CPU_SUPPORTS_HIGHMEM
  1828. bool
  1829. config SYS_SUPPORTS_HIGHMEM
  1830. bool
  1831. config SYS_SUPPORTS_SMARTMIPS
  1832. bool
  1833. config ARCH_FLATMEM_ENABLE
  1834. def_bool y
  1835. depends on !NUMA && !CPU_LOONGSON2
  1836. config ARCH_DISCONTIGMEM_ENABLE
  1837. bool
  1838. default y if SGI_IP27
  1839. help
  1840. Say Y to support efficient handling of discontiguous physical memory,
  1841. for architectures which are either NUMA (Non-Uniform Memory Access)
  1842. or have huge holes in the physical address space for other reasons.
  1843. See <file:Documentation/vm/numa> for more.
  1844. config ARCH_SPARSEMEM_ENABLE
  1845. bool
  1846. select SPARSEMEM_STATIC
  1847. config NUMA
  1848. bool "NUMA Support"
  1849. depends on SYS_SUPPORTS_NUMA
  1850. help
  1851. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1852. Access). This option improves performance on systems with more
  1853. than two nodes; on two node systems it is generally better to
  1854. leave it disabled; on single node systems disable this option
  1855. disabled.
  1856. config SYS_SUPPORTS_NUMA
  1857. bool
  1858. config NODES_SHIFT
  1859. int
  1860. default "6"
  1861. depends on NEED_MULTIPLE_NODES
  1862. config HW_PERF_EVENTS
  1863. bool "Enable hardware performance counter support for perf events"
  1864. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1865. default y
  1866. help
  1867. Enable hardware performance counter support for perf events. If
  1868. disabled, perf events will use software events only.
  1869. source "mm/Kconfig"
  1870. config SMP
  1871. bool "Multi-Processing support"
  1872. depends on SYS_SUPPORTS_SMP
  1873. select USE_GENERIC_SMP_HELPERS
  1874. help
  1875. This enables support for systems with more than one CPU. If you have
  1876. a system with only one CPU, like most personal computers, say N. If
  1877. you have a system with more than one CPU, say Y.
  1878. If you say N here, the kernel will run on single and multiprocessor
  1879. machines, but will use only one CPU of a multiprocessor machine. If
  1880. you say Y here, the kernel will run on many, but not all,
  1881. singleprocessor machines. On a singleprocessor machine, the kernel
  1882. will run faster if you say N here.
  1883. People using multiprocessor machines who say Y here should also say
  1884. Y to "Enhanced Real Time Clock Support", below.
  1885. See also the SMP-HOWTO available at
  1886. <http://www.tldp.org/docs.html#howto>.
  1887. If you don't know what to do here, say N.
  1888. config SMP_UP
  1889. bool
  1890. config SYS_SUPPORTS_MIPS_CMP
  1891. bool
  1892. config SYS_SUPPORTS_SMP
  1893. bool
  1894. config NR_CPUS_DEFAULT_1
  1895. bool
  1896. config NR_CPUS_DEFAULT_2
  1897. bool
  1898. config NR_CPUS_DEFAULT_4
  1899. bool
  1900. config NR_CPUS_DEFAULT_8
  1901. bool
  1902. config NR_CPUS_DEFAULT_16
  1903. bool
  1904. config NR_CPUS_DEFAULT_32
  1905. bool
  1906. config NR_CPUS_DEFAULT_64
  1907. bool
  1908. config NR_CPUS
  1909. int "Maximum number of CPUs (2-64)"
  1910. range 1 64 if NR_CPUS_DEFAULT_1
  1911. depends on SMP
  1912. default "1" if NR_CPUS_DEFAULT_1
  1913. default "2" if NR_CPUS_DEFAULT_2
  1914. default "4" if NR_CPUS_DEFAULT_4
  1915. default "8" if NR_CPUS_DEFAULT_8
  1916. default "16" if NR_CPUS_DEFAULT_16
  1917. default "32" if NR_CPUS_DEFAULT_32
  1918. default "64" if NR_CPUS_DEFAULT_64
  1919. help
  1920. This allows you to specify the maximum number of CPUs which this
  1921. kernel will support. The maximum supported value is 32 for 32-bit
  1922. kernel and 64 for 64-bit kernels; the minimum value which makes
  1923. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1924. and 2 for all others.
  1925. This is purely to save memory - each supported CPU adds
  1926. approximately eight kilobytes to the kernel image. For best
  1927. performance should round up your number of processors to the next
  1928. power of two.
  1929. config MIPS_PERF_SHARED_TC_COUNTERS
  1930. bool
  1931. #
  1932. # Timer Interrupt Frequency Configuration
  1933. #
  1934. choice
  1935. prompt "Timer frequency"
  1936. default HZ_250
  1937. help
  1938. Allows the configuration of the timer frequency.
  1939. config HZ_48
  1940. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1941. config HZ_100
  1942. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1943. config HZ_128
  1944. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1945. config HZ_250
  1946. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1947. config HZ_256
  1948. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1949. config HZ_1000
  1950. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1951. config HZ_1024
  1952. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1953. endchoice
  1954. config SYS_SUPPORTS_48HZ
  1955. bool
  1956. config SYS_SUPPORTS_100HZ
  1957. bool
  1958. config SYS_SUPPORTS_128HZ
  1959. bool
  1960. config SYS_SUPPORTS_250HZ
  1961. bool
  1962. config SYS_SUPPORTS_256HZ
  1963. bool
  1964. config SYS_SUPPORTS_1000HZ
  1965. bool
  1966. config SYS_SUPPORTS_1024HZ
  1967. bool
  1968. config SYS_SUPPORTS_ARBIT_HZ
  1969. bool
  1970. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1971. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1972. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1973. !SYS_SUPPORTS_1024HZ
  1974. config HZ
  1975. int
  1976. default 48 if HZ_48
  1977. default 100 if HZ_100
  1978. default 128 if HZ_128
  1979. default 250 if HZ_250
  1980. default 256 if HZ_256
  1981. default 1000 if HZ_1000
  1982. default 1024 if HZ_1024
  1983. source "kernel/Kconfig.preempt"
  1984. config KEXEC
  1985. bool "Kexec system call (EXPERIMENTAL)"
  1986. depends on EXPERIMENTAL
  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. source "arch/mips/kernel/cpufreq/Kconfig"
  2174. source "net/Kconfig"
  2175. source "drivers/Kconfig"
  2176. source "drivers/firmware/Kconfig"
  2177. source "fs/Kconfig"
  2178. source "arch/mips/Kconfig.debug"
  2179. source "security/Kconfig"
  2180. source "crypto/Kconfig"
  2181. source "lib/Kconfig"