Kconfig 62 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_IRQ_WORK
  8. select HAVE_PERF_EVENTS
  9. select PERF_USE_VMALLOC
  10. select HAVE_ARCH_KGDB
  11. select ARCH_HAVE_CUSTOM_GPIO_H
  12. select HAVE_FUNCTION_TRACER
  13. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  14. select HAVE_DYNAMIC_FTRACE
  15. select HAVE_FTRACE_MCOUNT_RECORD
  16. select HAVE_C_RECORDMCOUNT
  17. select HAVE_FUNCTION_GRAPH_TRACER
  18. select HAVE_KPROBES
  19. select HAVE_KRETPROBES
  20. select HAVE_DEBUG_KMEMLEAK
  21. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  22. select HAVE_ARCH_TRANSPARENT_HUGEPAGE
  23. select RTC_LIB if !MACH_LOONGSON
  24. select GENERIC_ATOMIC64 if !64BIT
  25. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  26. select HAVE_DMA_ATTRS
  27. select HAVE_DMA_API_DEBUG
  28. select HAVE_GENERIC_HARDIRQS
  29. select GENERIC_IRQ_PROBE
  30. select GENERIC_IRQ_SHOW
  31. select HAVE_ARCH_JUMP_LABEL
  32. select ARCH_WANT_IPC_PARSE_VERSION
  33. select IRQ_FORCED_THREADING
  34. select HAVE_MEMBLOCK
  35. select HAVE_MEMBLOCK_NODE_MAP
  36. select ARCH_DISCARD_MEMBLOCK
  37. select GENERIC_SMP_IDLE_THREAD
  38. select BUILDTIME_EXTABLE_SORT
  39. select GENERIC_CLOCKEVENTS
  40. select GENERIC_CMOS_UPDATE
  41. select HAVE_MOD_ARCH_SPECIFIC
  42. select MODULES_USE_ELF_REL
  43. select MODULES_USE_ELF_RELA if 64BIT
  44. select GENERIC_KERNEL_THREAD
  45. select GENERIC_KERNEL_EXECVE
  46. menu "Machine selection"
  47. config ZONE_DMA
  48. bool
  49. choice
  50. prompt "System type"
  51. default SGI_IP22
  52. config MIPS_ALCHEMY
  53. bool "Alchemy processor based machines"
  54. select 64BIT_PHYS_ADDR
  55. select CEVT_R4K
  56. select CSRC_R4K
  57. select IRQ_CPU
  58. select SYS_HAS_CPU_MIPS32_R1
  59. select SYS_SUPPORTS_32BIT_KERNEL
  60. select SYS_SUPPORTS_APM_EMULATION
  61. select GENERIC_GPIO
  62. select ARCH_WANT_OPTIONAL_GPIOLIB
  63. select SYS_SUPPORTS_ZBOOT
  64. select USB_ARCH_HAS_OHCI
  65. select USB_ARCH_HAS_EHCI
  66. config AR7
  67. bool "Texas Instruments AR7"
  68. select BOOT_ELF32
  69. select DMA_NONCOHERENT
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select IRQ_CPU
  73. select NO_EXCEPT_FILL
  74. select SWAP_IO_SPACE
  75. select SYS_HAS_CPU_MIPS32_R1
  76. select SYS_HAS_EARLY_PRINTK
  77. select SYS_SUPPORTS_32BIT_KERNEL
  78. select SYS_SUPPORTS_LITTLE_ENDIAN
  79. select SYS_SUPPORTS_ZBOOT_UART16550
  80. select ARCH_REQUIRE_GPIOLIB
  81. select VLYNQ
  82. select HAVE_CLK
  83. help
  84. Support for the Texas Instruments AR7 System-on-a-Chip
  85. family: TNETD7100, 7200 and 7300.
  86. config ATH79
  87. bool "Atheros AR71XX/AR724X/AR913X based boards"
  88. select ARCH_REQUIRE_GPIOLIB
  89. select BOOT_RAW
  90. select CEVT_R4K
  91. select CSRC_R4K
  92. select DMA_NONCOHERENT
  93. select HAVE_CLK
  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 CEVT_R4K
  106. select CSRC_R4K
  107. select DMA_NONCOHERENT
  108. select FW_CFE
  109. select HW_HAS_PCI
  110. select IRQ_CPU
  111. select SYS_SUPPORTS_32BIT_KERNEL
  112. select SYS_SUPPORTS_LITTLE_ENDIAN
  113. select SYS_HAS_EARLY_PRINTK
  114. help
  115. Support for BCM47XX based boards
  116. config BCM63XX
  117. bool "Broadcom BCM63XX based boards"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select DMA_NONCOHERENT
  121. select IRQ_CPU
  122. select SYS_HAS_CPU_MIPS32_R1
  123. select SYS_SUPPORTS_32BIT_KERNEL
  124. select SYS_SUPPORTS_BIG_ENDIAN
  125. select SYS_HAS_EARLY_PRINTK
  126. select SWAP_IO_SPACE
  127. select ARCH_REQUIRE_GPIOLIB
  128. select HAVE_CLK
  129. help
  130. Support for BCM63XX based boards
  131. config MIPS_COBALT
  132. bool "Cobalt Server"
  133. select CEVT_R4K
  134. select CSRC_R4K
  135. select CEVT_GT641XX
  136. select DMA_NONCOHERENT
  137. select HW_HAS_PCI
  138. select I8253
  139. select I8259
  140. select IRQ_CPU
  141. select IRQ_GT641XX
  142. select PCI_GT64XXX_PCI0
  143. select PCI
  144. select SYS_HAS_CPU_NEVADA
  145. select SYS_HAS_EARLY_PRINTK
  146. select SYS_SUPPORTS_32BIT_KERNEL
  147. select SYS_SUPPORTS_64BIT_KERNEL
  148. select SYS_SUPPORTS_LITTLE_ENDIAN
  149. config MACH_DECSTATION
  150. bool "DECstations"
  151. select BOOT_ELF32
  152. select CEVT_DS1287
  153. select CEVT_R4K
  154. select CSRC_IOASIC
  155. select CSRC_R4K
  156. select CPU_DADDI_WORKAROUNDS if 64BIT
  157. select CPU_R4000_WORKAROUNDS if 64BIT
  158. select CPU_R4400_WORKAROUNDS if 64BIT
  159. select DMA_NONCOHERENT
  160. select NO_IOPORT
  161. select IRQ_CPU
  162. select SYS_HAS_CPU_R3000
  163. select SYS_HAS_CPU_R4X00
  164. select SYS_SUPPORTS_32BIT_KERNEL
  165. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  166. select SYS_SUPPORTS_LITTLE_ENDIAN
  167. select SYS_SUPPORTS_128HZ
  168. select SYS_SUPPORTS_256HZ
  169. select SYS_SUPPORTS_1024HZ
  170. help
  171. This enables support for DEC's MIPS based workstations. For details
  172. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  173. DECstation porting pages on <http://decstation.unix-ag.org/>.
  174. If you have one of the following DECstation Models you definitely
  175. want to choose R4xx0 for the CPU Type:
  176. DECstation 5000/50
  177. DECstation 5000/150
  178. DECstation 5000/260
  179. DECsystem 5900/260
  180. otherwise choose R3000.
  181. config MACH_JAZZ
  182. bool "Jazz family of machines"
  183. select FW_ARC
  184. select FW_ARC32
  185. select ARCH_MAY_HAVE_PC_FDC
  186. select CEVT_R4K
  187. select CSRC_R4K
  188. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  189. select GENERIC_ISA_DMA
  190. select HAVE_PCSPKR_PLATFORM
  191. select IRQ_CPU
  192. select I8253
  193. select I8259
  194. select ISA
  195. select SYS_HAS_CPU_R4X00
  196. select SYS_SUPPORTS_32BIT_KERNEL
  197. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  198. select SYS_SUPPORTS_100HZ
  199. help
  200. This a family of machines based on the MIPS R4030 chipset which was
  201. used by several vendors to build RISC/os and Windows NT workstations.
  202. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  203. Olivetti M700-10 workstations.
  204. config MACH_JZ4740
  205. bool "Ingenic JZ4740 based machines"
  206. select SYS_HAS_CPU_MIPS32_R1
  207. select SYS_SUPPORTS_32BIT_KERNEL
  208. select SYS_SUPPORTS_LITTLE_ENDIAN
  209. select SYS_SUPPORTS_ZBOOT_UART16550
  210. select DMA_NONCOHERENT
  211. select IRQ_CPU
  212. select GENERIC_GPIO
  213. select ARCH_REQUIRE_GPIOLIB
  214. select SYS_HAS_EARLY_PRINTK
  215. select HAVE_PWM
  216. select HAVE_CLK
  217. select GENERIC_IRQ_CHIP
  218. config LANTIQ
  219. bool "Lantiq based platforms"
  220. select DMA_NONCOHERENT
  221. select IRQ_CPU
  222. select CEVT_R4K
  223. select CSRC_R4K
  224. select SYS_HAS_CPU_MIPS32_R1
  225. select SYS_HAS_CPU_MIPS32_R2
  226. select SYS_SUPPORTS_BIG_ENDIAN
  227. select SYS_SUPPORTS_32BIT_KERNEL
  228. select SYS_SUPPORTS_MULTITHREADING
  229. select SYS_HAS_EARLY_PRINTK
  230. select ARCH_REQUIRE_GPIOLIB
  231. select SWAP_IO_SPACE
  232. select BOOT_RAW
  233. select HAVE_MACH_CLKDEV
  234. select CLKDEV_LOOKUP
  235. select USE_OF
  236. select PINCTRL
  237. select PINCTRL_LANTIQ
  238. config LASAT
  239. bool "LASAT Networks platforms"
  240. select CEVT_R4K
  241. select CSRC_R4K
  242. select DMA_NONCOHERENT
  243. select SYS_HAS_EARLY_PRINTK
  244. select HW_HAS_PCI
  245. select IRQ_CPU
  246. select PCI_GT64XXX_PCI0
  247. select MIPS_NILE4
  248. select R5000_CPU_SCACHE
  249. select SYS_HAS_CPU_R5000
  250. select SYS_SUPPORTS_32BIT_KERNEL
  251. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  252. select SYS_SUPPORTS_LITTLE_ENDIAN
  253. config MACH_LOONGSON
  254. bool "Loongson family of machines"
  255. select SYS_SUPPORTS_ZBOOT
  256. help
  257. This enables the support of Loongson family of machines.
  258. Loongson is a family of general-purpose MIPS-compatible CPUs.
  259. developed at Institute of Computing Technology (ICT),
  260. Chinese Academy of Sciences (CAS) in the People's Republic
  261. of China. The chief architect is Professor Weiwu Hu.
  262. config MACH_LOONGSON1
  263. bool "Loongson 1 family of machines"
  264. select SYS_SUPPORTS_ZBOOT
  265. help
  266. This enables support for the Loongson 1 based machines.
  267. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  268. the ICT (Institute of Computing Technology) and the Chinese Academy
  269. of Sciences.
  270. config MIPS_MALTA
  271. bool "MIPS Malta board"
  272. select ARCH_MAY_HAVE_PC_FDC
  273. select BOOT_ELF32
  274. select BOOT_RAW
  275. select CEVT_R4K
  276. select CSRC_R4K
  277. select DMA_NONCOHERENT
  278. select GENERIC_ISA_DMA
  279. select HAVE_PCSPKR_PLATFORM
  280. select IRQ_CPU
  281. select IRQ_GIC
  282. select HW_HAS_PCI
  283. select I8253
  284. select I8259
  285. select MIPS_BOARDS_GEN
  286. select MIPS_BONITO64
  287. select MIPS_CPU_SCACHE
  288. select PCI_GT64XXX_PCI0
  289. select MIPS_MSC
  290. select SWAP_IO_SPACE
  291. select SYS_HAS_CPU_MIPS32_R1
  292. select SYS_HAS_CPU_MIPS32_R2
  293. select SYS_HAS_CPU_MIPS64_R1
  294. select SYS_HAS_CPU_MIPS64_R2
  295. select SYS_HAS_CPU_NEVADA
  296. select SYS_HAS_CPU_RM7000
  297. select SYS_HAS_EARLY_PRINTK
  298. select SYS_SUPPORTS_32BIT_KERNEL
  299. select SYS_SUPPORTS_64BIT_KERNEL
  300. select SYS_SUPPORTS_BIG_ENDIAN
  301. select SYS_SUPPORTS_LITTLE_ENDIAN
  302. select SYS_SUPPORTS_MIPS_CMP
  303. select SYS_SUPPORTS_MULTITHREADING
  304. select SYS_SUPPORTS_SMARTMIPS
  305. select SYS_SUPPORTS_ZBOOT
  306. help
  307. This enables support for the MIPS Technologies Malta evaluation
  308. board.
  309. config MIPS_SEAD3
  310. bool "MIPS SEAD3 board"
  311. select BOOT_ELF32
  312. select BOOT_RAW
  313. select CEVT_R4K
  314. select CSRC_R4K
  315. select CPU_MIPSR2_IRQ_VI
  316. select CPU_MIPSR2_IRQ_EI
  317. select DMA_NONCOHERENT
  318. select IRQ_CPU
  319. select IRQ_GIC
  320. select MIPS_BOARDS_GEN
  321. select MIPS_CPU_SCACHE
  322. select MIPS_MSC
  323. select SYS_HAS_CPU_MIPS32_R1
  324. select SYS_HAS_CPU_MIPS32_R2
  325. select SYS_HAS_CPU_MIPS64_R1
  326. select SYS_HAS_EARLY_PRINTK
  327. select SYS_SUPPORTS_32BIT_KERNEL
  328. select SYS_SUPPORTS_64BIT_KERNEL
  329. select SYS_SUPPORTS_BIG_ENDIAN
  330. select SYS_SUPPORTS_LITTLE_ENDIAN
  331. select SYS_SUPPORTS_SMARTMIPS
  332. select USB_ARCH_HAS_EHCI
  333. select USB_EHCI_BIG_ENDIAN_DESC
  334. select USB_EHCI_BIG_ENDIAN_MMIO
  335. help
  336. This enables support for the MIPS Technologies SEAD3 evaluation
  337. board.
  338. config NEC_MARKEINS
  339. bool "NEC EMMA2RH Mark-eins board"
  340. select SOC_EMMA2RH
  341. select HW_HAS_PCI
  342. help
  343. This enables support for the NEC Electronics Mark-eins boards.
  344. config MACH_VR41XX
  345. bool "NEC VR4100 series based machines"
  346. select CEVT_R4K
  347. select CSRC_R4K
  348. select SYS_HAS_CPU_VR41XX
  349. select ARCH_REQUIRE_GPIOLIB
  350. config NXP_STB220
  351. bool "NXP STB220 board"
  352. select SOC_PNX833X
  353. help
  354. Support for NXP Semiconductors STB220 Development Board.
  355. config NXP_STB225
  356. bool "NXP 225 board"
  357. select SOC_PNX833X
  358. select SOC_PNX8335
  359. help
  360. Support for NXP Semiconductors STB225 Development Board.
  361. config PNX8550_JBS
  362. bool "NXP PNX8550 based JBS board"
  363. select PNX8550
  364. select SYS_SUPPORTS_LITTLE_ENDIAN
  365. config PNX8550_STB810
  366. bool "NXP PNX8550 based STB810 board"
  367. select PNX8550
  368. select SYS_SUPPORTS_LITTLE_ENDIAN
  369. config PMC_MSP
  370. bool "PMC-Sierra MSP chipsets"
  371. depends on EXPERIMENTAL
  372. select CEVT_R4K
  373. select CSRC_R4K
  374. select DMA_NONCOHERENT
  375. select SWAP_IO_SPACE
  376. select NO_EXCEPT_FILL
  377. select BOOT_RAW
  378. select SYS_HAS_CPU_MIPS32_R1
  379. select SYS_HAS_CPU_MIPS32_R2
  380. select SYS_SUPPORTS_32BIT_KERNEL
  381. select SYS_SUPPORTS_BIG_ENDIAN
  382. select IRQ_CPU
  383. select SERIAL_8250
  384. select SERIAL_8250_CONSOLE
  385. help
  386. This adds support for the PMC-Sierra family of Multi-Service
  387. Processor System-On-A-Chips. These parts include a number
  388. of integrated peripherals, interfaces and DSPs in addition to
  389. a variety of MIPS cores.
  390. config POWERTV
  391. bool "Cisco PowerTV"
  392. select BOOT_ELF32
  393. select CEVT_R4K
  394. select CPU_MIPSR2_IRQ_VI
  395. select CPU_MIPSR2_IRQ_EI
  396. select CSRC_POWERTV
  397. select DMA_NONCOHERENT
  398. select HW_HAS_PCI
  399. select SYS_HAS_EARLY_PRINTK
  400. select SYS_HAS_CPU_MIPS32_R2
  401. select SYS_SUPPORTS_32BIT_KERNEL
  402. select SYS_SUPPORTS_BIG_ENDIAN
  403. select SYS_SUPPORTS_HIGHMEM
  404. select USB_OHCI_LITTLE_ENDIAN
  405. help
  406. This enables support for the Cisco PowerTV Platform.
  407. config SGI_IP22
  408. bool "SGI IP22 (Indy/Indigo2)"
  409. select FW_ARC
  410. select FW_ARC32
  411. select BOOT_ELF32
  412. select CEVT_R4K
  413. select CSRC_R4K
  414. select DEFAULT_SGI_PARTITION
  415. select DMA_NONCOHERENT
  416. select HW_HAS_EISA
  417. select I8253
  418. select I8259
  419. select IP22_CPU_SCACHE
  420. select IRQ_CPU
  421. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  422. select SGI_HAS_I8042
  423. select SGI_HAS_INDYDOG
  424. select SGI_HAS_HAL2
  425. select SGI_HAS_SEEQ
  426. select SGI_HAS_WD93
  427. select SGI_HAS_ZILOG
  428. select SWAP_IO_SPACE
  429. select SYS_HAS_CPU_R4X00
  430. select SYS_HAS_CPU_R5000
  431. #
  432. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  433. # memory during early boot on some machines.
  434. #
  435. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  436. # for a more details discussion
  437. #
  438. # select SYS_HAS_EARLY_PRINTK
  439. select SYS_SUPPORTS_32BIT_KERNEL
  440. select SYS_SUPPORTS_64BIT_KERNEL
  441. select SYS_SUPPORTS_BIG_ENDIAN
  442. help
  443. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  444. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  445. that runs on these, say Y here.
  446. config SGI_IP27
  447. bool "SGI IP27 (Origin200/2000)"
  448. select FW_ARC
  449. select FW_ARC64
  450. select BOOT_ELF64
  451. select DEFAULT_SGI_PARTITION
  452. select DMA_COHERENT
  453. select SYS_HAS_EARLY_PRINTK
  454. select HW_HAS_PCI
  455. select NR_CPUS_DEFAULT_64
  456. select SYS_HAS_CPU_R10000
  457. select SYS_SUPPORTS_64BIT_KERNEL
  458. select SYS_SUPPORTS_BIG_ENDIAN
  459. select SYS_SUPPORTS_NUMA
  460. select SYS_SUPPORTS_SMP
  461. help
  462. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  463. workstations. To compile a Linux kernel that runs on these, say Y
  464. here.
  465. config SGI_IP28
  466. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  467. depends on EXPERIMENTAL
  468. select FW_ARC
  469. select FW_ARC64
  470. select BOOT_ELF64
  471. select CEVT_R4K
  472. select CSRC_R4K
  473. select DEFAULT_SGI_PARTITION
  474. select DMA_NONCOHERENT
  475. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  476. select IRQ_CPU
  477. select HW_HAS_EISA
  478. select I8253
  479. select I8259
  480. select SGI_HAS_I8042
  481. select SGI_HAS_INDYDOG
  482. select SGI_HAS_HAL2
  483. select SGI_HAS_SEEQ
  484. select SGI_HAS_WD93
  485. select SGI_HAS_ZILOG
  486. select SWAP_IO_SPACE
  487. select SYS_HAS_CPU_R10000
  488. #
  489. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  490. # memory during early boot on some machines.
  491. #
  492. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  493. # for a more details discussion
  494. #
  495. # select SYS_HAS_EARLY_PRINTK
  496. select SYS_SUPPORTS_64BIT_KERNEL
  497. select SYS_SUPPORTS_BIG_ENDIAN
  498. help
  499. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  500. kernel that runs on these, say Y here.
  501. config SGI_IP32
  502. bool "SGI IP32 (O2)"
  503. select FW_ARC
  504. select FW_ARC32
  505. select BOOT_ELF32
  506. select CEVT_R4K
  507. select CSRC_R4K
  508. select DMA_NONCOHERENT
  509. select HW_HAS_PCI
  510. select IRQ_CPU
  511. select R5000_CPU_SCACHE
  512. select RM7000_CPU_SCACHE
  513. select SYS_HAS_CPU_R5000
  514. select SYS_HAS_CPU_R10000 if BROKEN
  515. select SYS_HAS_CPU_RM7000
  516. select SYS_HAS_CPU_NEVADA
  517. select SYS_SUPPORTS_64BIT_KERNEL
  518. select SYS_SUPPORTS_BIG_ENDIAN
  519. help
  520. If you want this kernel to run on SGI O2 workstation, say Y here.
  521. config SIBYTE_CRHINE
  522. bool "Sibyte BCM91120C-CRhine"
  523. depends on EXPERIMENTAL
  524. select BOOT_ELF32
  525. select DMA_COHERENT
  526. select SIBYTE_BCM1120
  527. select SWAP_IO_SPACE
  528. select SYS_HAS_CPU_SB1
  529. select SYS_SUPPORTS_BIG_ENDIAN
  530. select SYS_SUPPORTS_LITTLE_ENDIAN
  531. config SIBYTE_CARMEL
  532. bool "Sibyte BCM91120x-Carmel"
  533. depends on EXPERIMENTAL
  534. select BOOT_ELF32
  535. select DMA_COHERENT
  536. select SIBYTE_BCM1120
  537. select SWAP_IO_SPACE
  538. select SYS_HAS_CPU_SB1
  539. select SYS_SUPPORTS_BIG_ENDIAN
  540. select SYS_SUPPORTS_LITTLE_ENDIAN
  541. config SIBYTE_CRHONE
  542. bool "Sibyte BCM91125C-CRhone"
  543. depends on EXPERIMENTAL
  544. select BOOT_ELF32
  545. select DMA_COHERENT
  546. select SIBYTE_BCM1125
  547. select SWAP_IO_SPACE
  548. select SYS_HAS_CPU_SB1
  549. select SYS_SUPPORTS_BIG_ENDIAN
  550. select SYS_SUPPORTS_HIGHMEM
  551. select SYS_SUPPORTS_LITTLE_ENDIAN
  552. config SIBYTE_RHONE
  553. bool "Sibyte BCM91125E-Rhone"
  554. depends on EXPERIMENTAL
  555. select BOOT_ELF32
  556. select DMA_COHERENT
  557. select SIBYTE_BCM1125H
  558. select SWAP_IO_SPACE
  559. select SYS_HAS_CPU_SB1
  560. select SYS_SUPPORTS_BIG_ENDIAN
  561. select SYS_SUPPORTS_LITTLE_ENDIAN
  562. config SIBYTE_SWARM
  563. bool "Sibyte BCM91250A-SWARM"
  564. select BOOT_ELF32
  565. select DMA_COHERENT
  566. select HAVE_PATA_PLATFORM
  567. select NR_CPUS_DEFAULT_2
  568. select SIBYTE_SB1250
  569. select SWAP_IO_SPACE
  570. select SYS_HAS_CPU_SB1
  571. select SYS_SUPPORTS_BIG_ENDIAN
  572. select SYS_SUPPORTS_HIGHMEM
  573. select SYS_SUPPORTS_LITTLE_ENDIAN
  574. select ZONE_DMA32 if 64BIT
  575. config SIBYTE_LITTLESUR
  576. bool "Sibyte BCM91250C2-LittleSur"
  577. depends on EXPERIMENTAL
  578. select BOOT_ELF32
  579. select DMA_COHERENT
  580. select HAVE_PATA_PLATFORM
  581. select NR_CPUS_DEFAULT_2
  582. select SIBYTE_SB1250
  583. select SWAP_IO_SPACE
  584. select SYS_HAS_CPU_SB1
  585. select SYS_SUPPORTS_BIG_ENDIAN
  586. select SYS_SUPPORTS_HIGHMEM
  587. select SYS_SUPPORTS_LITTLE_ENDIAN
  588. config SIBYTE_SENTOSA
  589. bool "Sibyte BCM91250E-Sentosa"
  590. depends on EXPERIMENTAL
  591. select BOOT_ELF32
  592. select DMA_COHERENT
  593. select NR_CPUS_DEFAULT_2
  594. select SIBYTE_SB1250
  595. select SWAP_IO_SPACE
  596. select SYS_HAS_CPU_SB1
  597. select SYS_SUPPORTS_BIG_ENDIAN
  598. select SYS_SUPPORTS_LITTLE_ENDIAN
  599. config SIBYTE_BIGSUR
  600. bool "Sibyte BCM91480B-BigSur"
  601. select BOOT_ELF32
  602. select DMA_COHERENT
  603. select NR_CPUS_DEFAULT_4
  604. select SIBYTE_BCM1x80
  605. select SWAP_IO_SPACE
  606. select SYS_HAS_CPU_SB1
  607. select SYS_SUPPORTS_BIG_ENDIAN
  608. select SYS_SUPPORTS_HIGHMEM
  609. select SYS_SUPPORTS_LITTLE_ENDIAN
  610. select ZONE_DMA32 if 64BIT
  611. config SNI_RM
  612. bool "SNI RM200/300/400"
  613. select FW_ARC if CPU_LITTLE_ENDIAN
  614. select FW_ARC32 if CPU_LITTLE_ENDIAN
  615. select SNIPROM if CPU_BIG_ENDIAN
  616. select ARCH_MAY_HAVE_PC_FDC
  617. select BOOT_ELF32
  618. select CEVT_R4K
  619. select CSRC_R4K
  620. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  621. select DMA_NONCOHERENT
  622. select GENERIC_ISA_DMA
  623. select HAVE_PCSPKR_PLATFORM
  624. select HW_HAS_EISA
  625. select HW_HAS_PCI
  626. select IRQ_CPU
  627. select I8253
  628. select I8259
  629. select ISA
  630. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  631. select SYS_HAS_CPU_R4X00
  632. select SYS_HAS_CPU_R5000
  633. select SYS_HAS_CPU_R10000
  634. select R5000_CPU_SCACHE
  635. select SYS_HAS_EARLY_PRINTK
  636. select SYS_SUPPORTS_32BIT_KERNEL
  637. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  638. select SYS_SUPPORTS_BIG_ENDIAN
  639. select SYS_SUPPORTS_HIGHMEM
  640. select SYS_SUPPORTS_LITTLE_ENDIAN
  641. help
  642. The SNI RM200/300/400 are MIPS-based machines manufactured by
  643. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  644. Technology and now in turn merged with Fujitsu. Say Y here to
  645. support this machine type.
  646. config MACH_TX39XX
  647. bool "Toshiba TX39 series based machines"
  648. config MACH_TX49XX
  649. bool "Toshiba TX49 series based machines"
  650. config MIKROTIK_RB532
  651. bool "Mikrotik RB532 boards"
  652. select CEVT_R4K
  653. select CSRC_R4K
  654. select DMA_NONCOHERENT
  655. select HW_HAS_PCI
  656. select IRQ_CPU
  657. select SYS_HAS_CPU_MIPS32_R1
  658. select SYS_SUPPORTS_32BIT_KERNEL
  659. select SYS_SUPPORTS_LITTLE_ENDIAN
  660. select SWAP_IO_SPACE
  661. select BOOT_RAW
  662. select ARCH_REQUIRE_GPIOLIB
  663. help
  664. Support the Mikrotik(tm) RouterBoard 532 series,
  665. based on the IDT RC32434 SoC.
  666. config WR_PPMC
  667. bool "Wind River PPMC board"
  668. select CEVT_R4K
  669. select CSRC_R4K
  670. select IRQ_CPU
  671. select BOOT_ELF32
  672. select DMA_NONCOHERENT
  673. select HW_HAS_PCI
  674. select PCI_GT64XXX_PCI0
  675. select SWAP_IO_SPACE
  676. select SYS_HAS_CPU_MIPS32_R1
  677. select SYS_HAS_CPU_MIPS32_R2
  678. select SYS_HAS_CPU_MIPS64_R1
  679. select SYS_HAS_CPU_NEVADA
  680. select SYS_HAS_CPU_RM7000
  681. select SYS_SUPPORTS_32BIT_KERNEL
  682. select SYS_SUPPORTS_64BIT_KERNEL
  683. select SYS_SUPPORTS_BIG_ENDIAN
  684. select SYS_SUPPORTS_LITTLE_ENDIAN
  685. help
  686. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  687. board, which is based on GT64120 bridge chip.
  688. config CAVIUM_OCTEON_SIMULATOR
  689. bool "Cavium Networks Octeon Simulator"
  690. select CEVT_R4K
  691. select 64BIT_PHYS_ADDR
  692. select DMA_COHERENT
  693. select SYS_SUPPORTS_64BIT_KERNEL
  694. select SYS_SUPPORTS_BIG_ENDIAN
  695. select SYS_SUPPORTS_HOTPLUG_CPU
  696. select SYS_HAS_CPU_CAVIUM_OCTEON
  697. select HOLES_IN_ZONE
  698. help
  699. The Octeon simulator is software performance model of the Cavium
  700. Octeon Processor. It supports simulating Octeon processors on x86
  701. hardware.
  702. config CAVIUM_OCTEON_REFERENCE_BOARD
  703. bool "Cavium Networks Octeon reference board"
  704. select CEVT_R4K
  705. select 64BIT_PHYS_ADDR
  706. select DMA_COHERENT
  707. select SYS_SUPPORTS_64BIT_KERNEL
  708. select SYS_SUPPORTS_BIG_ENDIAN
  709. select EDAC_SUPPORT
  710. select SYS_SUPPORTS_HOTPLUG_CPU
  711. select SYS_HAS_EARLY_PRINTK
  712. select SYS_HAS_CPU_CAVIUM_OCTEON
  713. select SWAP_IO_SPACE
  714. select HW_HAS_PCI
  715. select ARCH_SUPPORTS_MSI
  716. select ZONE_DMA32
  717. select USB_ARCH_HAS_OHCI
  718. select USB_ARCH_HAS_EHCI
  719. select HOLES_IN_ZONE
  720. help
  721. This option supports all of the Octeon reference boards from Cavium
  722. Networks. It builds a kernel that dynamically determines the Octeon
  723. CPU type and supports all known board reference implementations.
  724. Some of the supported boards are:
  725. EBT3000
  726. EBH3000
  727. EBH3100
  728. Thunder
  729. Kodama
  730. Hikari
  731. Say Y here for most Octeon reference boards.
  732. config NLM_XLR_BOARD
  733. bool "Netlogic XLR/XLS based systems"
  734. depends on EXPERIMENTAL
  735. select BOOT_ELF32
  736. select NLM_COMMON
  737. select SYS_HAS_CPU_XLR
  738. select SYS_SUPPORTS_SMP
  739. select HW_HAS_PCI
  740. select SWAP_IO_SPACE
  741. select SYS_SUPPORTS_32BIT_KERNEL
  742. select SYS_SUPPORTS_64BIT_KERNEL
  743. select 64BIT_PHYS_ADDR
  744. select SYS_SUPPORTS_BIG_ENDIAN
  745. select SYS_SUPPORTS_HIGHMEM
  746. select DMA_COHERENT
  747. select NR_CPUS_DEFAULT_32
  748. select CEVT_R4K
  749. select CSRC_R4K
  750. select IRQ_CPU
  751. select ARCH_SUPPORTS_MSI
  752. select ZONE_DMA32 if 64BIT
  753. select SYNC_R4K
  754. select SYS_HAS_EARLY_PRINTK
  755. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  756. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  757. help
  758. Support for systems based on Netlogic XLR and XLS processors.
  759. Say Y here if you have a XLR or XLS based board.
  760. config NLM_XLP_BOARD
  761. bool "Netlogic XLP based systems"
  762. depends on EXPERIMENTAL
  763. select BOOT_ELF32
  764. select NLM_COMMON
  765. select SYS_HAS_CPU_XLP
  766. select SYS_SUPPORTS_SMP
  767. select HW_HAS_PCI
  768. select SYS_SUPPORTS_32BIT_KERNEL
  769. select SYS_SUPPORTS_64BIT_KERNEL
  770. select 64BIT_PHYS_ADDR
  771. select SYS_SUPPORTS_BIG_ENDIAN
  772. select SYS_SUPPORTS_LITTLE_ENDIAN
  773. select SYS_SUPPORTS_HIGHMEM
  774. select DMA_COHERENT
  775. select NR_CPUS_DEFAULT_32
  776. select CEVT_R4K
  777. select CSRC_R4K
  778. select IRQ_CPU
  779. select ZONE_DMA32 if 64BIT
  780. select SYNC_R4K
  781. select SYS_HAS_EARLY_PRINTK
  782. select USE_OF
  783. help
  784. This board is based on Netlogic XLP Processor.
  785. Say Y here if you have a XLP based board.
  786. endchoice
  787. source "arch/mips/alchemy/Kconfig"
  788. source "arch/mips/ath79/Kconfig"
  789. source "arch/mips/bcm47xx/Kconfig"
  790. source "arch/mips/bcm63xx/Kconfig"
  791. source "arch/mips/jazz/Kconfig"
  792. source "arch/mips/jz4740/Kconfig"
  793. source "arch/mips/lantiq/Kconfig"
  794. source "arch/mips/lasat/Kconfig"
  795. source "arch/mips/pmc-sierra/Kconfig"
  796. source "arch/mips/powertv/Kconfig"
  797. source "arch/mips/sgi-ip27/Kconfig"
  798. source "arch/mips/sibyte/Kconfig"
  799. source "arch/mips/txx9/Kconfig"
  800. source "arch/mips/vr41xx/Kconfig"
  801. source "arch/mips/cavium-octeon/Kconfig"
  802. source "arch/mips/loongson/Kconfig"
  803. source "arch/mips/loongson1/Kconfig"
  804. source "arch/mips/netlogic/Kconfig"
  805. endmenu
  806. config RWSEM_GENERIC_SPINLOCK
  807. bool
  808. default y
  809. config RWSEM_XCHGADD_ALGORITHM
  810. bool
  811. config ARCH_HAS_ILOG2_U32
  812. bool
  813. default n
  814. config ARCH_HAS_ILOG2_U64
  815. bool
  816. default n
  817. config GENERIC_HWEIGHT
  818. bool
  819. default y
  820. config GENERIC_CALIBRATE_DELAY
  821. bool
  822. default y
  823. config SCHED_OMIT_FRAME_POINTER
  824. bool
  825. default y
  826. #
  827. # Select some configuration options automatically based on user selections.
  828. #
  829. config FW_ARC
  830. bool
  831. config ARCH_MAY_HAVE_PC_FDC
  832. bool
  833. config BOOT_RAW
  834. bool
  835. config CEVT_BCM1480
  836. bool
  837. config CEVT_DS1287
  838. bool
  839. config CEVT_GT641XX
  840. bool
  841. config CEVT_R4K
  842. bool
  843. config CEVT_SB1250
  844. bool
  845. config CEVT_TXX9
  846. bool
  847. config CSRC_BCM1480
  848. bool
  849. config CSRC_IOASIC
  850. bool
  851. config CSRC_POWERTV
  852. bool
  853. config CSRC_R4K
  854. bool
  855. config CSRC_SB1250
  856. bool
  857. config GPIO_TXX9
  858. select GENERIC_GPIO
  859. select ARCH_REQUIRE_GPIOLIB
  860. bool
  861. config FW_CFE
  862. bool
  863. config ARCH_DMA_ADDR_T_64BIT
  864. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  865. config DMA_COHERENT
  866. bool
  867. config DMA_NONCOHERENT
  868. bool
  869. select NEED_DMA_MAP_STATE
  870. config NEED_DMA_MAP_STATE
  871. bool
  872. config SYS_HAS_EARLY_PRINTK
  873. bool
  874. config HOTPLUG_CPU
  875. bool "Support for hot-pluggable CPUs"
  876. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  877. help
  878. Say Y here to allow turning CPUs off and on. CPUs can be
  879. controlled through /sys/devices/system/cpu.
  880. (Note: power management support will enable this option
  881. automatically on SMP systems. )
  882. Say N if you want to disable CPU hotplug.
  883. config SYS_SUPPORTS_HOTPLUG_CPU
  884. bool
  885. config I8259
  886. bool
  887. config MIPS_BONITO64
  888. bool
  889. config MIPS_MSC
  890. bool
  891. config MIPS_NILE4
  892. bool
  893. config MIPS_DISABLE_OBSOLETE_IDE
  894. bool
  895. config SYNC_R4K
  896. bool
  897. config MIPS_MACHINE
  898. def_bool n
  899. config NO_IOPORT
  900. def_bool n
  901. config GENERIC_ISA_DMA
  902. bool
  903. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  904. select ISA_DMA_API
  905. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  906. bool
  907. select GENERIC_ISA_DMA
  908. config ISA_DMA_API
  909. bool
  910. config GENERIC_GPIO
  911. bool
  912. config HOLES_IN_ZONE
  913. bool
  914. #
  915. # Endianness selection. Sufficiently obscure so many users don't know what to
  916. # answer,so we try hard to limit the available choices. Also the use of a
  917. # choice statement should be more obvious to the user.
  918. #
  919. choice
  920. prompt "Endianness selection"
  921. help
  922. Some MIPS machines can be configured for either little or big endian
  923. byte order. These modes require different kernels and a different
  924. Linux distribution. In general there is one preferred byteorder for a
  925. particular system but some systems are just as commonly used in the
  926. one or the other endianness.
  927. config CPU_BIG_ENDIAN
  928. bool "Big endian"
  929. depends on SYS_SUPPORTS_BIG_ENDIAN
  930. config CPU_LITTLE_ENDIAN
  931. bool "Little endian"
  932. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  933. help
  934. endchoice
  935. config EXPORT_UASM
  936. bool
  937. config SYS_SUPPORTS_APM_EMULATION
  938. bool
  939. config SYS_SUPPORTS_BIG_ENDIAN
  940. bool
  941. config SYS_SUPPORTS_LITTLE_ENDIAN
  942. bool
  943. config SYS_SUPPORTS_HUGETLBFS
  944. bool
  945. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  946. default y
  947. config MIPS_HUGE_TLB_SUPPORT
  948. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  949. config IRQ_CPU
  950. bool
  951. config IRQ_CPU_RM7K
  952. bool
  953. config IRQ_MSP_SLP
  954. bool
  955. config IRQ_MSP_CIC
  956. bool
  957. config IRQ_TXX9
  958. bool
  959. config IRQ_GT641XX
  960. bool
  961. config IRQ_GIC
  962. bool
  963. config MIPS_BOARDS_GEN
  964. bool
  965. config PCI_GT64XXX_PCI0
  966. bool
  967. config NO_EXCEPT_FILL
  968. bool
  969. config SOC_EMMA2RH
  970. bool
  971. select CEVT_R4K
  972. select CSRC_R4K
  973. select DMA_NONCOHERENT
  974. select IRQ_CPU
  975. select SWAP_IO_SPACE
  976. select SYS_HAS_CPU_R5500
  977. select SYS_SUPPORTS_32BIT_KERNEL
  978. select SYS_SUPPORTS_64BIT_KERNEL
  979. select SYS_SUPPORTS_BIG_ENDIAN
  980. config SOC_PNX833X
  981. bool
  982. select CEVT_R4K
  983. select CSRC_R4K
  984. select IRQ_CPU
  985. select DMA_NONCOHERENT
  986. select SYS_HAS_CPU_MIPS32_R2
  987. select SYS_SUPPORTS_32BIT_KERNEL
  988. select SYS_SUPPORTS_LITTLE_ENDIAN
  989. select SYS_SUPPORTS_BIG_ENDIAN
  990. select GENERIC_GPIO
  991. select CPU_MIPSR2_IRQ_VI
  992. config SOC_PNX8335
  993. bool
  994. select SOC_PNX833X
  995. config PNX8550
  996. bool
  997. select SOC_PNX8550
  998. config SOC_PNX8550
  999. bool
  1000. select DMA_NONCOHERENT
  1001. select HW_HAS_PCI
  1002. select SYS_HAS_CPU_MIPS32_R1
  1003. select SYS_HAS_EARLY_PRINTK
  1004. select SYS_SUPPORTS_32BIT_KERNEL
  1005. select GENERIC_GPIO
  1006. config SWAP_IO_SPACE
  1007. bool
  1008. config SGI_HAS_INDYDOG
  1009. bool
  1010. config SGI_HAS_HAL2
  1011. bool
  1012. config SGI_HAS_SEEQ
  1013. bool
  1014. config SGI_HAS_WD93
  1015. bool
  1016. config SGI_HAS_ZILOG
  1017. bool
  1018. config SGI_HAS_I8042
  1019. bool
  1020. config DEFAULT_SGI_PARTITION
  1021. bool
  1022. config FW_ARC32
  1023. bool
  1024. config SNIPROM
  1025. bool
  1026. config BOOT_ELF32
  1027. bool
  1028. config MIPS_L1_CACHE_SHIFT
  1029. int
  1030. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1031. default "6" if MIPS_CPU_SCACHE
  1032. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1033. default "5"
  1034. config HAVE_STD_PC_SERIAL_PORT
  1035. bool
  1036. config ARC_CONSOLE
  1037. bool "ARC console support"
  1038. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1039. config ARC_MEMORY
  1040. bool
  1041. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1042. default y
  1043. config ARC_PROMLIB
  1044. bool
  1045. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1046. default y
  1047. config FW_ARC64
  1048. bool
  1049. config BOOT_ELF64
  1050. bool
  1051. menu "CPU selection"
  1052. choice
  1053. prompt "CPU type"
  1054. default CPU_R4X00
  1055. config CPU_LOONGSON2E
  1056. bool "Loongson 2E"
  1057. depends on SYS_HAS_CPU_LOONGSON2E
  1058. select CPU_LOONGSON2
  1059. help
  1060. The Loongson 2E processor implements the MIPS III instruction set
  1061. with many extensions.
  1062. It has an internal FPGA northbridge, which is compatible to
  1063. bonito64.
  1064. config CPU_LOONGSON2F
  1065. bool "Loongson 2F"
  1066. depends on SYS_HAS_CPU_LOONGSON2F
  1067. select CPU_LOONGSON2
  1068. select GENERIC_GPIO
  1069. select ARCH_REQUIRE_GPIOLIB
  1070. help
  1071. The Loongson 2F processor implements the MIPS III instruction set
  1072. with many extensions.
  1073. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1074. have a similar programming interface with FPGA northbridge used in
  1075. Loongson2E.
  1076. config CPU_LOONGSON1B
  1077. bool "Loongson 1B"
  1078. depends on SYS_HAS_CPU_LOONGSON1B
  1079. select CPU_LOONGSON1
  1080. help
  1081. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1082. release 2 instruction set.
  1083. config CPU_MIPS32_R1
  1084. bool "MIPS32 Release 1"
  1085. depends on SYS_HAS_CPU_MIPS32_R1
  1086. select CPU_HAS_PREFETCH
  1087. select CPU_SUPPORTS_32BIT_KERNEL
  1088. select CPU_SUPPORTS_HIGHMEM
  1089. help
  1090. Choose this option to build a kernel for release 1 or later of the
  1091. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1092. MIPS processor are based on a MIPS32 processor. If you know the
  1093. specific type of processor in your system, choose those that one
  1094. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1095. Release 2 of the MIPS32 architecture is available since several
  1096. years so chances are you even have a MIPS32 Release 2 processor
  1097. in which case you should choose CPU_MIPS32_R2 instead for better
  1098. performance.
  1099. config CPU_MIPS32_R2
  1100. bool "MIPS32 Release 2"
  1101. depends on SYS_HAS_CPU_MIPS32_R2
  1102. select CPU_HAS_PREFETCH
  1103. select CPU_SUPPORTS_32BIT_KERNEL
  1104. select CPU_SUPPORTS_HIGHMEM
  1105. help
  1106. Choose this option to build a kernel for release 2 or later of the
  1107. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1108. MIPS processor are based on a MIPS32 processor. If you know the
  1109. specific type of processor in your system, choose those that one
  1110. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1111. config CPU_MIPS64_R1
  1112. bool "MIPS64 Release 1"
  1113. depends on SYS_HAS_CPU_MIPS64_R1
  1114. select CPU_HAS_PREFETCH
  1115. select CPU_SUPPORTS_32BIT_KERNEL
  1116. select CPU_SUPPORTS_64BIT_KERNEL
  1117. select CPU_SUPPORTS_HIGHMEM
  1118. select CPU_SUPPORTS_HUGEPAGES
  1119. help
  1120. Choose this option to build a kernel for release 1 or later of the
  1121. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1122. MIPS processor are based on a MIPS64 processor. If you know the
  1123. specific type of processor in your system, choose those that one
  1124. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1125. Release 2 of the MIPS64 architecture is available since several
  1126. years so chances are you even have a MIPS64 Release 2 processor
  1127. in which case you should choose CPU_MIPS64_R2 instead for better
  1128. performance.
  1129. config CPU_MIPS64_R2
  1130. bool "MIPS64 Release 2"
  1131. depends on SYS_HAS_CPU_MIPS64_R2
  1132. select CPU_HAS_PREFETCH
  1133. select CPU_SUPPORTS_32BIT_KERNEL
  1134. select CPU_SUPPORTS_64BIT_KERNEL
  1135. select CPU_SUPPORTS_HIGHMEM
  1136. select CPU_SUPPORTS_HUGEPAGES
  1137. help
  1138. Choose this option to build a kernel for release 2 or later of the
  1139. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1140. MIPS processor are based on a MIPS64 processor. If you know the
  1141. specific type of processor in your system, choose those that one
  1142. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1143. config CPU_R3000
  1144. bool "R3000"
  1145. depends on SYS_HAS_CPU_R3000
  1146. select CPU_HAS_WB
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_HIGHMEM
  1149. help
  1150. Please make sure to pick the right CPU type. Linux/MIPS is not
  1151. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1152. *not* work on R4000 machines and vice versa. However, since most
  1153. of the supported machines have an R4000 (or similar) CPU, R4x00
  1154. might be a safe bet. If the resulting kernel does not work,
  1155. try to recompile with R3000.
  1156. config CPU_TX39XX
  1157. bool "R39XX"
  1158. depends on SYS_HAS_CPU_TX39XX
  1159. select CPU_SUPPORTS_32BIT_KERNEL
  1160. config CPU_VR41XX
  1161. bool "R41xx"
  1162. depends on SYS_HAS_CPU_VR41XX
  1163. select CPU_SUPPORTS_32BIT_KERNEL
  1164. select CPU_SUPPORTS_64BIT_KERNEL
  1165. help
  1166. The options selects support for the NEC VR4100 series of processors.
  1167. Only choose this option if you have one of these processors as a
  1168. kernel built with this option will not run on any other type of
  1169. processor or vice versa.
  1170. config CPU_R4300
  1171. bool "R4300"
  1172. depends on SYS_HAS_CPU_R4300
  1173. select CPU_SUPPORTS_32BIT_KERNEL
  1174. select CPU_SUPPORTS_64BIT_KERNEL
  1175. help
  1176. MIPS Technologies R4300-series processors.
  1177. config CPU_R4X00
  1178. bool "R4x00"
  1179. depends on SYS_HAS_CPU_R4X00
  1180. select CPU_SUPPORTS_32BIT_KERNEL
  1181. select CPU_SUPPORTS_64BIT_KERNEL
  1182. select CPU_SUPPORTS_HUGEPAGES
  1183. help
  1184. MIPS Technologies R4000-series processors other than 4300, including
  1185. the R4000, R4400, R4600, and 4700.
  1186. config CPU_TX49XX
  1187. bool "R49XX"
  1188. depends on SYS_HAS_CPU_TX49XX
  1189. select CPU_HAS_PREFETCH
  1190. select CPU_SUPPORTS_32BIT_KERNEL
  1191. select CPU_SUPPORTS_64BIT_KERNEL
  1192. select CPU_SUPPORTS_HUGEPAGES
  1193. config CPU_R5000
  1194. bool "R5000"
  1195. depends on SYS_HAS_CPU_R5000
  1196. select CPU_SUPPORTS_32BIT_KERNEL
  1197. select CPU_SUPPORTS_64BIT_KERNEL
  1198. select CPU_SUPPORTS_HUGEPAGES
  1199. help
  1200. MIPS Technologies R5000-series processors other than the Nevada.
  1201. config CPU_R5432
  1202. bool "R5432"
  1203. depends on SYS_HAS_CPU_R5432
  1204. select CPU_SUPPORTS_32BIT_KERNEL
  1205. select CPU_SUPPORTS_64BIT_KERNEL
  1206. select CPU_SUPPORTS_HUGEPAGES
  1207. config CPU_R5500
  1208. bool "R5500"
  1209. depends on SYS_HAS_CPU_R5500
  1210. select CPU_SUPPORTS_32BIT_KERNEL
  1211. select CPU_SUPPORTS_64BIT_KERNEL
  1212. select CPU_SUPPORTS_HUGEPAGES
  1213. help
  1214. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1215. instruction set.
  1216. config CPU_R6000
  1217. bool "R6000"
  1218. depends on EXPERIMENTAL
  1219. depends on SYS_HAS_CPU_R6000
  1220. select CPU_SUPPORTS_32BIT_KERNEL
  1221. help
  1222. MIPS Technologies R6000 and R6000A series processors. Note these
  1223. processors are extremely rare and the support for them is incomplete.
  1224. config CPU_NEVADA
  1225. bool "RM52xx"
  1226. depends on SYS_HAS_CPU_NEVADA
  1227. select CPU_SUPPORTS_32BIT_KERNEL
  1228. select CPU_SUPPORTS_64BIT_KERNEL
  1229. select CPU_SUPPORTS_HUGEPAGES
  1230. help
  1231. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1232. config CPU_R8000
  1233. bool "R8000"
  1234. depends on EXPERIMENTAL
  1235. depends on SYS_HAS_CPU_R8000
  1236. select CPU_HAS_PREFETCH
  1237. select CPU_SUPPORTS_64BIT_KERNEL
  1238. help
  1239. MIPS Technologies R8000 processors. Note these processors are
  1240. uncommon and the support for them is incomplete.
  1241. config CPU_R10000
  1242. bool "R10000"
  1243. depends on SYS_HAS_CPU_R10000
  1244. select CPU_HAS_PREFETCH
  1245. select CPU_SUPPORTS_32BIT_KERNEL
  1246. select CPU_SUPPORTS_64BIT_KERNEL
  1247. select CPU_SUPPORTS_HIGHMEM
  1248. select CPU_SUPPORTS_HUGEPAGES
  1249. help
  1250. MIPS Technologies R10000-series processors.
  1251. config CPU_RM7000
  1252. bool "RM7000"
  1253. depends on SYS_HAS_CPU_RM7000
  1254. select CPU_HAS_PREFETCH
  1255. select CPU_SUPPORTS_32BIT_KERNEL
  1256. select CPU_SUPPORTS_64BIT_KERNEL
  1257. select CPU_SUPPORTS_HIGHMEM
  1258. select CPU_SUPPORTS_HUGEPAGES
  1259. config CPU_SB1
  1260. bool "SB1"
  1261. depends on SYS_HAS_CPU_SB1
  1262. select CPU_SUPPORTS_32BIT_KERNEL
  1263. select CPU_SUPPORTS_64BIT_KERNEL
  1264. select CPU_SUPPORTS_HIGHMEM
  1265. select CPU_SUPPORTS_HUGEPAGES
  1266. select WEAK_ORDERING
  1267. config CPU_CAVIUM_OCTEON
  1268. bool "Cavium Octeon processor"
  1269. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1270. select ARCH_SPARSEMEM_ENABLE
  1271. select CPU_HAS_PREFETCH
  1272. select CPU_SUPPORTS_64BIT_KERNEL
  1273. select SYS_SUPPORTS_SMP
  1274. select NR_CPUS_DEFAULT_16
  1275. select WEAK_ORDERING
  1276. select CPU_SUPPORTS_HIGHMEM
  1277. select CPU_SUPPORTS_HUGEPAGES
  1278. select LIBFDT
  1279. select USE_OF
  1280. help
  1281. The Cavium Octeon processor is a highly integrated chip containing
  1282. many ethernet hardware widgets for networking tasks. The processor
  1283. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1284. Full details can be found at http://www.caviumnetworks.com.
  1285. config CPU_BMIPS3300
  1286. bool "BMIPS3300"
  1287. depends on SYS_HAS_CPU_BMIPS3300
  1288. select CPU_BMIPS
  1289. help
  1290. Broadcom BMIPS3300 processors.
  1291. config CPU_BMIPS4350
  1292. bool "BMIPS4350"
  1293. depends on SYS_HAS_CPU_BMIPS4350
  1294. select CPU_BMIPS
  1295. select SYS_SUPPORTS_SMP
  1296. select SYS_SUPPORTS_HOTPLUG_CPU
  1297. help
  1298. Broadcom BMIPS4350 ("VIPER") processors.
  1299. config CPU_BMIPS4380
  1300. bool "BMIPS4380"
  1301. depends on SYS_HAS_CPU_BMIPS4380
  1302. select CPU_BMIPS
  1303. select SYS_SUPPORTS_SMP
  1304. select SYS_SUPPORTS_HOTPLUG_CPU
  1305. help
  1306. Broadcom BMIPS4380 processors.
  1307. config CPU_BMIPS5000
  1308. bool "BMIPS5000"
  1309. depends on SYS_HAS_CPU_BMIPS5000
  1310. select CPU_BMIPS
  1311. select CPU_SUPPORTS_HIGHMEM
  1312. select MIPS_CPU_SCACHE
  1313. select SYS_SUPPORTS_SMP
  1314. select SYS_SUPPORTS_HOTPLUG_CPU
  1315. help
  1316. Broadcom BMIPS5000 processors.
  1317. config CPU_XLR
  1318. bool "Netlogic XLR SoC"
  1319. depends on SYS_HAS_CPU_XLR
  1320. select CPU_SUPPORTS_32BIT_KERNEL
  1321. select CPU_SUPPORTS_64BIT_KERNEL
  1322. select CPU_SUPPORTS_HIGHMEM
  1323. select CPU_SUPPORTS_HUGEPAGES
  1324. select WEAK_ORDERING
  1325. select WEAK_REORDERING_BEYOND_LLSC
  1326. help
  1327. Netlogic Microsystems XLR/XLS processors.
  1328. config CPU_XLP
  1329. bool "Netlogic XLP SoC"
  1330. depends on SYS_HAS_CPU_XLP
  1331. select CPU_SUPPORTS_32BIT_KERNEL
  1332. select CPU_SUPPORTS_64BIT_KERNEL
  1333. select CPU_SUPPORTS_HIGHMEM
  1334. select CPU_HAS_LLSC
  1335. select WEAK_ORDERING
  1336. select WEAK_REORDERING_BEYOND_LLSC
  1337. select CPU_HAS_PREFETCH
  1338. select CPU_MIPSR2
  1339. help
  1340. Netlogic Microsystems XLP processors.
  1341. endchoice
  1342. if CPU_LOONGSON2F
  1343. config CPU_NOP_WORKAROUNDS
  1344. bool
  1345. config CPU_JUMP_WORKAROUNDS
  1346. bool
  1347. config CPU_LOONGSON2F_WORKAROUNDS
  1348. bool "Loongson 2F Workarounds"
  1349. default y
  1350. select CPU_NOP_WORKAROUNDS
  1351. select CPU_JUMP_WORKAROUNDS
  1352. help
  1353. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1354. require workarounds. Without workarounds the system may hang
  1355. unexpectedly. For more information please refer to the gas
  1356. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1357. Loongson 2F03 and later have fixed these issues and no workarounds
  1358. are needed. The workarounds have no significant side effect on them
  1359. but may decrease the performance of the system so this option should
  1360. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1361. systems.
  1362. If unsure, please say Y.
  1363. endif # CPU_LOONGSON2F
  1364. config SYS_SUPPORTS_ZBOOT
  1365. bool
  1366. select HAVE_KERNEL_GZIP
  1367. select HAVE_KERNEL_BZIP2
  1368. select HAVE_KERNEL_LZMA
  1369. select HAVE_KERNEL_LZO
  1370. config SYS_SUPPORTS_ZBOOT_UART16550
  1371. bool
  1372. select SYS_SUPPORTS_ZBOOT
  1373. config CPU_LOONGSON2
  1374. bool
  1375. select CPU_SUPPORTS_32BIT_KERNEL
  1376. select CPU_SUPPORTS_64BIT_KERNEL
  1377. select CPU_SUPPORTS_HIGHMEM
  1378. select CPU_SUPPORTS_HUGEPAGES
  1379. config CPU_LOONGSON1
  1380. bool
  1381. select CPU_MIPS32
  1382. select CPU_MIPSR2
  1383. select CPU_HAS_PREFETCH
  1384. select CPU_SUPPORTS_32BIT_KERNEL
  1385. select CPU_SUPPORTS_HIGHMEM
  1386. config CPU_BMIPS
  1387. bool
  1388. select CPU_MIPS32
  1389. select CPU_SUPPORTS_32BIT_KERNEL
  1390. select DMA_NONCOHERENT
  1391. select IRQ_CPU
  1392. select SWAP_IO_SPACE
  1393. select WEAK_ORDERING
  1394. config SYS_HAS_CPU_LOONGSON2E
  1395. bool
  1396. config SYS_HAS_CPU_LOONGSON2F
  1397. bool
  1398. select CPU_SUPPORTS_CPUFREQ
  1399. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1400. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1401. config SYS_HAS_CPU_LOONGSON1B
  1402. bool
  1403. config SYS_HAS_CPU_MIPS32_R1
  1404. bool
  1405. config SYS_HAS_CPU_MIPS32_R2
  1406. bool
  1407. config SYS_HAS_CPU_MIPS64_R1
  1408. bool
  1409. config SYS_HAS_CPU_MIPS64_R2
  1410. bool
  1411. config SYS_HAS_CPU_R3000
  1412. bool
  1413. config SYS_HAS_CPU_TX39XX
  1414. bool
  1415. config SYS_HAS_CPU_VR41XX
  1416. bool
  1417. config SYS_HAS_CPU_R4300
  1418. bool
  1419. config SYS_HAS_CPU_R4X00
  1420. bool
  1421. config SYS_HAS_CPU_TX49XX
  1422. bool
  1423. config SYS_HAS_CPU_R5000
  1424. bool
  1425. config SYS_HAS_CPU_R5432
  1426. bool
  1427. config SYS_HAS_CPU_R5500
  1428. bool
  1429. config SYS_HAS_CPU_R6000
  1430. bool
  1431. config SYS_HAS_CPU_NEVADA
  1432. bool
  1433. config SYS_HAS_CPU_R8000
  1434. bool
  1435. config SYS_HAS_CPU_R10000
  1436. bool
  1437. config SYS_HAS_CPU_RM7000
  1438. bool
  1439. config SYS_HAS_CPU_SB1
  1440. bool
  1441. config SYS_HAS_CPU_CAVIUM_OCTEON
  1442. bool
  1443. config SYS_HAS_CPU_BMIPS3300
  1444. bool
  1445. config SYS_HAS_CPU_BMIPS4350
  1446. bool
  1447. config SYS_HAS_CPU_BMIPS4380
  1448. bool
  1449. config SYS_HAS_CPU_BMIPS5000
  1450. bool
  1451. config SYS_HAS_CPU_XLR
  1452. bool
  1453. config SYS_HAS_CPU_XLP
  1454. bool
  1455. #
  1456. # CPU may reorder R->R, R->W, W->R, W->W
  1457. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1458. #
  1459. config WEAK_ORDERING
  1460. bool
  1461. #
  1462. # CPU may reorder reads and writes beyond LL/SC
  1463. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1464. #
  1465. config WEAK_REORDERING_BEYOND_LLSC
  1466. bool
  1467. endmenu
  1468. #
  1469. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1470. #
  1471. config CPU_MIPS32
  1472. bool
  1473. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1474. config CPU_MIPS64
  1475. bool
  1476. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1477. #
  1478. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1479. #
  1480. config CPU_MIPSR1
  1481. bool
  1482. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1483. config CPU_MIPSR2
  1484. bool
  1485. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1486. config SYS_SUPPORTS_32BIT_KERNEL
  1487. bool
  1488. config SYS_SUPPORTS_64BIT_KERNEL
  1489. bool
  1490. config CPU_SUPPORTS_32BIT_KERNEL
  1491. bool
  1492. config CPU_SUPPORTS_64BIT_KERNEL
  1493. bool
  1494. config CPU_SUPPORTS_CPUFREQ
  1495. bool
  1496. config CPU_SUPPORTS_ADDRWINCFG
  1497. bool
  1498. config CPU_SUPPORTS_HUGEPAGES
  1499. bool
  1500. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1501. bool
  1502. config MIPS_PGD_C0_CONTEXT
  1503. bool
  1504. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1505. #
  1506. # Set to y for ptrace access to watch registers.
  1507. #
  1508. config HARDWARE_WATCHPOINTS
  1509. bool
  1510. default y if CPU_MIPSR1 || CPU_MIPSR2
  1511. menu "Kernel type"
  1512. choice
  1513. prompt "Kernel code model"
  1514. help
  1515. You should only select this option if you have a workload that
  1516. actually benefits from 64-bit processing or if your machine has
  1517. large memory. You will only be presented a single option in this
  1518. menu if your system does not support both 32-bit and 64-bit kernels.
  1519. config 32BIT
  1520. bool "32-bit kernel"
  1521. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1522. select TRAD_SIGNALS
  1523. help
  1524. Select this option if you want to build a 32-bit kernel.
  1525. config 64BIT
  1526. bool "64-bit kernel"
  1527. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1528. select HAVE_SYSCALL_WRAPPERS
  1529. help
  1530. Select this option if you want to build a 64-bit kernel.
  1531. endchoice
  1532. choice
  1533. prompt "Kernel page size"
  1534. default PAGE_SIZE_4KB
  1535. config PAGE_SIZE_4KB
  1536. bool "4kB"
  1537. depends on !CPU_LOONGSON2
  1538. help
  1539. This option select the standard 4kB Linux page size. On some
  1540. R3000-family processors this is the only available page size. Using
  1541. 4kB page size will minimize memory consumption and is therefore
  1542. recommended for low memory systems.
  1543. config PAGE_SIZE_8KB
  1544. bool "8kB"
  1545. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1546. help
  1547. Using 8kB page size will result in higher performance kernel at
  1548. the price of higher memory consumption. This option is available
  1549. only on R8000 and cnMIPS processors. Note that you will need a
  1550. suitable Linux distribution to support this.
  1551. config PAGE_SIZE_16KB
  1552. bool "16kB"
  1553. depends on !CPU_R3000 && !CPU_TX39XX
  1554. help
  1555. Using 16kB page size will result in higher performance kernel at
  1556. the price of higher memory consumption. This option is available on
  1557. all non-R3000 family processors. Note that you will need a suitable
  1558. Linux distribution to support this.
  1559. config PAGE_SIZE_32KB
  1560. bool "32kB"
  1561. depends on CPU_CAVIUM_OCTEON
  1562. help
  1563. Using 32kB page size will result in higher performance kernel at
  1564. the price of higher memory consumption. This option is available
  1565. only on cnMIPS cores. Note that you will need a suitable Linux
  1566. distribution to support this.
  1567. config PAGE_SIZE_64KB
  1568. bool "64kB"
  1569. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1570. help
  1571. Using 64kB page size will result in higher performance kernel at
  1572. the price of higher memory consumption. This option is available on
  1573. all non-R3000 family processor. Not that at the time of this
  1574. writing this option is still high experimental.
  1575. endchoice
  1576. config FORCE_MAX_ZONEORDER
  1577. int "Maximum zone order"
  1578. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1579. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1580. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1581. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1582. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1583. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1584. range 11 64
  1585. default "11"
  1586. help
  1587. The kernel memory allocator divides physically contiguous memory
  1588. blocks into "zones", where each zone is a power of two number of
  1589. pages. This option selects the largest power of two that the kernel
  1590. keeps in the memory allocator. If you need to allocate very large
  1591. blocks of physically contiguous memory, then you may need to
  1592. increase this value.
  1593. This config option is actually maximum order plus one. For example,
  1594. a value of 11 means that the largest free memory block is 2^10 pages.
  1595. The page size is not necessarily 4KB. Keep this in mind
  1596. when choosing a value for this option.
  1597. config BOARD_SCACHE
  1598. bool
  1599. config IP22_CPU_SCACHE
  1600. bool
  1601. select BOARD_SCACHE
  1602. #
  1603. # Support for a MIPS32 / MIPS64 style S-caches
  1604. #
  1605. config MIPS_CPU_SCACHE
  1606. bool
  1607. select BOARD_SCACHE
  1608. config R5000_CPU_SCACHE
  1609. bool
  1610. select BOARD_SCACHE
  1611. config RM7000_CPU_SCACHE
  1612. bool
  1613. select BOARD_SCACHE
  1614. config SIBYTE_DMA_PAGEOPS
  1615. bool "Use DMA to clear/copy pages"
  1616. depends on CPU_SB1
  1617. help
  1618. Instead of using the CPU to zero and copy pages, use a Data Mover
  1619. channel. These DMA channels are otherwise unused by the standard
  1620. SiByte Linux port. Seems to give a small performance benefit.
  1621. config CPU_HAS_PREFETCH
  1622. bool
  1623. config CPU_GENERIC_DUMP_TLB
  1624. bool
  1625. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1626. config CPU_R4K_FPU
  1627. bool
  1628. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1629. config CPU_R4K_CACHE_TLB
  1630. bool
  1631. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1632. choice
  1633. prompt "MIPS MT options"
  1634. config MIPS_MT_DISABLED
  1635. bool "Disable multithreading support."
  1636. help
  1637. Use this option if your workload can't take advantage of
  1638. MIPS hardware multithreading support. On systems that don't have
  1639. the option of an MT-enabled processor this option will be the only
  1640. option in this menu.
  1641. config MIPS_MT_SMP
  1642. bool "Use 1 TC on each available VPE for SMP"
  1643. depends on SYS_SUPPORTS_MULTITHREADING
  1644. select CPU_MIPSR2_IRQ_VI
  1645. select CPU_MIPSR2_IRQ_EI
  1646. select MIPS_MT
  1647. select NR_CPUS_DEFAULT_2
  1648. select SMP
  1649. select SYS_SUPPORTS_SCHED_SMT if SMP
  1650. select SYS_SUPPORTS_SMP
  1651. select SMP_UP
  1652. select MIPS_PERF_SHARED_TC_COUNTERS
  1653. help
  1654. This is a kernel model which is known a VSMP but lately has been
  1655. marketesed into SMVP.
  1656. Virtual SMP uses the processor's VPEs to implement virtual
  1657. processors. In currently available configuration of the 34K processor
  1658. this allows for a dual processor. Both processors will share the same
  1659. primary caches; each will obtain the half of the TLB for it's own
  1660. exclusive use. For a layman this model can be described as similar to
  1661. what Intel calls Hyperthreading.
  1662. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1663. config MIPS_MT_SMTC
  1664. bool "SMTC: Use all TCs on all VPEs for SMP"
  1665. depends on CPU_MIPS32_R2
  1666. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1667. depends on SYS_SUPPORTS_MULTITHREADING
  1668. select CPU_MIPSR2_IRQ_VI
  1669. select CPU_MIPSR2_IRQ_EI
  1670. select MIPS_MT
  1671. select NR_CPUS_DEFAULT_8
  1672. select SMP
  1673. select SYS_SUPPORTS_SMP
  1674. select SMP_UP
  1675. help
  1676. This is a kernel model which is known a SMTC or lately has been
  1677. marketesed into SMVP.
  1678. is presenting the available TC's of the core as processors to Linux.
  1679. On currently available 34K processors this means a Linux system will
  1680. see up to 5 processors. The implementation of the SMTC kernel differs
  1681. significantly from VSMP and cannot efficiently coexist in the same
  1682. kernel binary so the choice between VSMP and SMTC is a compile time
  1683. decision.
  1684. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1685. endchoice
  1686. config MIPS_MT
  1687. bool
  1688. config SCHED_SMT
  1689. bool "SMT (multithreading) scheduler support"
  1690. depends on SYS_SUPPORTS_SCHED_SMT
  1691. default n
  1692. help
  1693. SMT scheduler support improves the CPU scheduler's decision making
  1694. when dealing with MIPS MT enabled cores at a cost of slightly
  1695. increased overhead in some places. If unsure say N here.
  1696. config SYS_SUPPORTS_SCHED_SMT
  1697. bool
  1698. config SYS_SUPPORTS_MULTITHREADING
  1699. bool
  1700. config MIPS_MT_FPAFF
  1701. bool "Dynamic FPU affinity for FP-intensive threads"
  1702. default y
  1703. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1704. config MIPS_VPE_LOADER
  1705. bool "VPE loader support."
  1706. depends on SYS_SUPPORTS_MULTITHREADING
  1707. select CPU_MIPSR2_IRQ_VI
  1708. select CPU_MIPSR2_IRQ_EI
  1709. select MIPS_MT
  1710. help
  1711. Includes a loader for loading an elf relocatable object
  1712. onto another VPE and running it.
  1713. config MIPS_MT_SMTC_IM_BACKSTOP
  1714. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1715. depends on MIPS_MT_SMTC
  1716. default n
  1717. help
  1718. To support multiple TC microthreads acting as "CPUs" within
  1719. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1720. during interrupt handling. To support legacy drivers and interrupt
  1721. controller management code, SMTC has a "backstop" to track and
  1722. if necessary restore the interrupt mask. This has some performance
  1723. impact on interrupt service overhead.
  1724. config MIPS_MT_SMTC_IRQAFF
  1725. bool "Support IRQ affinity API"
  1726. depends on MIPS_MT_SMTC
  1727. default n
  1728. help
  1729. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1730. for SMTC Linux kernel. Requires platform support, of which
  1731. an example can be found in the MIPS kernel i8259 and Malta
  1732. platform code. Adds some overhead to interrupt dispatch, and
  1733. should be used only if you know what you are doing.
  1734. config MIPS_VPE_LOADER_TOM
  1735. bool "Load VPE program into memory hidden from linux"
  1736. depends on MIPS_VPE_LOADER
  1737. default y
  1738. help
  1739. The loader can use memory that is present but has been hidden from
  1740. Linux using the kernel command line option "mem=xxMB". It's up to
  1741. you to ensure the amount you put in the option and the space your
  1742. program requires is less or equal to the amount physically present.
  1743. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1744. config MIPS_VPE_APSP_API
  1745. bool "Enable support for AP/SP API (RTLX)"
  1746. depends on MIPS_VPE_LOADER
  1747. help
  1748. config MIPS_CMP
  1749. bool "MIPS CMP framework support"
  1750. depends on SYS_SUPPORTS_MIPS_CMP
  1751. select SYNC_R4K
  1752. select SYS_SUPPORTS_SMP
  1753. select SYS_SUPPORTS_SCHED_SMT if SMP
  1754. select WEAK_ORDERING
  1755. default n
  1756. help
  1757. This is a placeholder option for the GCMP work. It will need to
  1758. be handled differently...
  1759. config SB1_PASS_1_WORKAROUNDS
  1760. bool
  1761. depends on CPU_SB1_PASS_1
  1762. default y
  1763. config SB1_PASS_2_WORKAROUNDS
  1764. bool
  1765. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1766. default y
  1767. config SB1_PASS_2_1_WORKAROUNDS
  1768. bool
  1769. depends on CPU_SB1 && CPU_SB1_PASS_2
  1770. default y
  1771. config 64BIT_PHYS_ADDR
  1772. bool
  1773. config ARCH_PHYS_ADDR_T_64BIT
  1774. def_bool 64BIT_PHYS_ADDR
  1775. config CPU_HAS_SMARTMIPS
  1776. depends on SYS_SUPPORTS_SMARTMIPS
  1777. bool "Support for the SmartMIPS ASE"
  1778. help
  1779. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1780. increased security at both hardware and software level for
  1781. smartcards. Enabling this option will allow proper use of the
  1782. SmartMIPS instructions by Linux applications. However a kernel with
  1783. this option will not work on a MIPS core without SmartMIPS core. If
  1784. you don't know you probably don't have SmartMIPS and should say N
  1785. here.
  1786. config CPU_HAS_WB
  1787. bool
  1788. config XKS01
  1789. bool
  1790. #
  1791. # Vectored interrupt mode is an R2 feature
  1792. #
  1793. config CPU_MIPSR2_IRQ_VI
  1794. bool
  1795. #
  1796. # Extended interrupt mode is an R2 feature
  1797. #
  1798. config CPU_MIPSR2_IRQ_EI
  1799. bool
  1800. config CPU_HAS_SYNC
  1801. bool
  1802. depends on !CPU_R3000
  1803. default y
  1804. #
  1805. # CPU non-features
  1806. #
  1807. config CPU_DADDI_WORKAROUNDS
  1808. bool
  1809. config CPU_R4000_WORKAROUNDS
  1810. bool
  1811. select CPU_R4400_WORKAROUNDS
  1812. config CPU_R4400_WORKAROUNDS
  1813. bool
  1814. #
  1815. # - Highmem only makes sense for the 32-bit kernel.
  1816. # - The current highmem code will only work properly on physically indexed
  1817. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1818. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1819. # moment we protect the user and offer the highmem option only on machines
  1820. # where it's known to be safe. This will not offer highmem on a few systems
  1821. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1822. # indexed CPUs but we're playing safe.
  1823. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1824. # know they might have memory configurations that could make use of highmem
  1825. # support.
  1826. #
  1827. config HIGHMEM
  1828. bool "High Memory Support"
  1829. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1830. config CPU_SUPPORTS_HIGHMEM
  1831. bool
  1832. config SYS_SUPPORTS_HIGHMEM
  1833. bool
  1834. config SYS_SUPPORTS_SMARTMIPS
  1835. bool
  1836. config ARCH_FLATMEM_ENABLE
  1837. def_bool y
  1838. depends on !NUMA && !CPU_LOONGSON2
  1839. config ARCH_DISCONTIGMEM_ENABLE
  1840. bool
  1841. default y if SGI_IP27
  1842. help
  1843. Say Y to support efficient handling of discontiguous physical memory,
  1844. for architectures which are either NUMA (Non-Uniform Memory Access)
  1845. or have huge holes in the physical address space for other reasons.
  1846. See <file:Documentation/vm/numa> for more.
  1847. config ARCH_SPARSEMEM_ENABLE
  1848. bool
  1849. select SPARSEMEM_STATIC
  1850. config NUMA
  1851. bool "NUMA Support"
  1852. depends on SYS_SUPPORTS_NUMA
  1853. help
  1854. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1855. Access). This option improves performance on systems with more
  1856. than two nodes; on two node systems it is generally better to
  1857. leave it disabled; on single node systems disable this option
  1858. disabled.
  1859. config SYS_SUPPORTS_NUMA
  1860. bool
  1861. config NODES_SHIFT
  1862. int
  1863. default "6"
  1864. depends on NEED_MULTIPLE_NODES
  1865. config HW_PERF_EVENTS
  1866. bool "Enable hardware performance counter support for perf events"
  1867. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1868. default y
  1869. help
  1870. Enable hardware performance counter support for perf events. If
  1871. disabled, perf events will use software events only.
  1872. source "mm/Kconfig"
  1873. config SMP
  1874. bool "Multi-Processing support"
  1875. depends on SYS_SUPPORTS_SMP
  1876. select IRQ_PER_CPU
  1877. select USE_GENERIC_SMP_HELPERS
  1878. help
  1879. This enables support for systems with more than one CPU. If you have
  1880. a system with only one CPU, like most personal computers, say N. If
  1881. you have a system with more than one CPU, say Y.
  1882. If you say N here, the kernel will run on single and multiprocessor
  1883. machines, but will use only one CPU of a multiprocessor machine. If
  1884. you say Y here, the kernel will run on many, but not all,
  1885. singleprocessor machines. On a singleprocessor machine, the kernel
  1886. will run faster if you say N here.
  1887. People using multiprocessor machines who say Y here should also say
  1888. Y to "Enhanced Real Time Clock Support", below.
  1889. See also the SMP-HOWTO available at
  1890. <http://www.tldp.org/docs.html#howto>.
  1891. If you don't know what to do here, say N.
  1892. config SMP_UP
  1893. bool
  1894. config SYS_SUPPORTS_MIPS_CMP
  1895. bool
  1896. config SYS_SUPPORTS_SMP
  1897. bool
  1898. config NR_CPUS_DEFAULT_1
  1899. bool
  1900. config NR_CPUS_DEFAULT_2
  1901. bool
  1902. config NR_CPUS_DEFAULT_4
  1903. bool
  1904. config NR_CPUS_DEFAULT_8
  1905. bool
  1906. config NR_CPUS_DEFAULT_16
  1907. bool
  1908. config NR_CPUS_DEFAULT_32
  1909. bool
  1910. config NR_CPUS_DEFAULT_64
  1911. bool
  1912. config NR_CPUS
  1913. int "Maximum number of CPUs (2-64)"
  1914. range 1 64 if NR_CPUS_DEFAULT_1
  1915. depends on SMP
  1916. default "1" if NR_CPUS_DEFAULT_1
  1917. default "2" if NR_CPUS_DEFAULT_2
  1918. default "4" if NR_CPUS_DEFAULT_4
  1919. default "8" if NR_CPUS_DEFAULT_8
  1920. default "16" if NR_CPUS_DEFAULT_16
  1921. default "32" if NR_CPUS_DEFAULT_32
  1922. default "64" if NR_CPUS_DEFAULT_64
  1923. help
  1924. This allows you to specify the maximum number of CPUs which this
  1925. kernel will support. The maximum supported value is 32 for 32-bit
  1926. kernel and 64 for 64-bit kernels; the minimum value which makes
  1927. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1928. and 2 for all others.
  1929. This is purely to save memory - each supported CPU adds
  1930. approximately eight kilobytes to the kernel image. For best
  1931. performance should round up your number of processors to the next
  1932. power of two.
  1933. config MIPS_PERF_SHARED_TC_COUNTERS
  1934. bool
  1935. #
  1936. # Timer Interrupt Frequency Configuration
  1937. #
  1938. choice
  1939. prompt "Timer frequency"
  1940. default HZ_250
  1941. help
  1942. Allows the configuration of the timer frequency.
  1943. config HZ_48
  1944. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1945. config HZ_100
  1946. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1947. config HZ_128
  1948. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1949. config HZ_250
  1950. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1951. config HZ_256
  1952. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1953. config HZ_1000
  1954. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1955. config HZ_1024
  1956. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1957. endchoice
  1958. config SYS_SUPPORTS_48HZ
  1959. bool
  1960. config SYS_SUPPORTS_100HZ
  1961. bool
  1962. config SYS_SUPPORTS_128HZ
  1963. bool
  1964. config SYS_SUPPORTS_250HZ
  1965. bool
  1966. config SYS_SUPPORTS_256HZ
  1967. bool
  1968. config SYS_SUPPORTS_1000HZ
  1969. bool
  1970. config SYS_SUPPORTS_1024HZ
  1971. bool
  1972. config SYS_SUPPORTS_ARBIT_HZ
  1973. bool
  1974. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1975. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1976. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1977. !SYS_SUPPORTS_1024HZ
  1978. config HZ
  1979. int
  1980. default 48 if HZ_48
  1981. default 100 if HZ_100
  1982. default 128 if HZ_128
  1983. default 250 if HZ_250
  1984. default 256 if HZ_256
  1985. default 1000 if HZ_1000
  1986. default 1024 if HZ_1024
  1987. source "kernel/Kconfig.preempt"
  1988. config KEXEC
  1989. bool "Kexec system call (EXPERIMENTAL)"
  1990. depends on EXPERIMENTAL
  1991. help
  1992. kexec is a system call that implements the ability to shutdown your
  1993. current kernel, and to start another kernel. It is like a reboot
  1994. but it is independent of the system firmware. And like a reboot
  1995. you can start any kernel with it, not just Linux.
  1996. The name comes from the similarity to the exec system call.
  1997. It is an ongoing process to be certain the hardware in a machine
  1998. is properly shutdown, so do not be surprised if this code does not
  1999. initially work for you. It may help to enable device hotplugging
  2000. support. As of this writing the exact hardware interface is
  2001. strongly in flux, so no good recommendation can be made.
  2002. config CRASH_DUMP
  2003. bool "Kernel crash dumps"
  2004. help
  2005. Generate crash dump after being started by kexec.
  2006. This should be normally only set in special crash dump kernels
  2007. which are loaded in the main kernel with kexec-tools into
  2008. a specially reserved region and then later executed after
  2009. a crash by kdump/kexec. The crash dump kernel must be compiled
  2010. to a memory address not used by the main kernel or firmware using
  2011. PHYSICAL_START.
  2012. config PHYSICAL_START
  2013. hex "Physical address where the kernel is loaded"
  2014. default "0xffffffff84000000" if 64BIT
  2015. default "0x84000000" if 32BIT
  2016. depends on CRASH_DUMP
  2017. help
  2018. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2019. If you plan to use kernel for capturing the crash dump change
  2020. this value to start of the reserved region (the "X" value as
  2021. specified in the "crashkernel=YM@XM" command line boot parameter
  2022. passed to the panic-ed kernel).
  2023. config SECCOMP
  2024. bool "Enable seccomp to safely compute untrusted bytecode"
  2025. depends on PROC_FS
  2026. default y
  2027. help
  2028. This kernel feature is useful for number crunching applications
  2029. that may need to compute untrusted bytecode during their
  2030. execution. By using pipes or other transports made available to
  2031. the process as file descriptors supporting the read/write
  2032. syscalls, it's possible to isolate those applications in
  2033. their own address space using seccomp. Once seccomp is
  2034. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2035. and the task is only allowed to execute a few safe syscalls
  2036. defined by each seccomp mode.
  2037. If unsure, say Y. Only embedded should say N here.
  2038. config USE_OF
  2039. bool
  2040. select OF
  2041. select OF_EARLY_FLATTREE
  2042. select IRQ_DOMAIN
  2043. endmenu
  2044. config LOCKDEP_SUPPORT
  2045. bool
  2046. default y
  2047. config STACKTRACE_SUPPORT
  2048. bool
  2049. default y
  2050. source "init/Kconfig"
  2051. source "kernel/Kconfig.freezer"
  2052. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2053. config HW_HAS_EISA
  2054. bool
  2055. config HW_HAS_PCI
  2056. bool
  2057. config PCI
  2058. bool "Support for PCI controller"
  2059. depends on HW_HAS_PCI
  2060. select PCI_DOMAINS
  2061. select GENERIC_PCI_IOMAP
  2062. select NO_GENERIC_PCI_IOPORT_MAP
  2063. help
  2064. Find out whether you have a PCI motherboard. PCI is the name of a
  2065. bus system, i.e. the way the CPU talks to the other stuff inside
  2066. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2067. say Y, otherwise N.
  2068. config PCI_DOMAINS
  2069. bool
  2070. source "drivers/pci/Kconfig"
  2071. source "drivers/pci/pcie/Kconfig"
  2072. #
  2073. # ISA support is now enabled via select. Too many systems still have the one
  2074. # or other ISA chip on the board that users don't know about so don't expect
  2075. # users to choose the right thing ...
  2076. #
  2077. config ISA
  2078. bool
  2079. config EISA
  2080. bool "EISA support"
  2081. depends on HW_HAS_EISA
  2082. select ISA
  2083. select GENERIC_ISA_DMA
  2084. ---help---
  2085. The Extended Industry Standard Architecture (EISA) bus was
  2086. developed as an open alternative to the IBM MicroChannel bus.
  2087. The EISA bus provided some of the features of the IBM MicroChannel
  2088. bus while maintaining backward compatibility with cards made for
  2089. the older ISA bus. The EISA bus saw limited use between 1988 and
  2090. 1995 when it was made obsolete by the PCI bus.
  2091. Say Y here if you are building a kernel for an EISA-based machine.
  2092. Otherwise, say N.
  2093. source "drivers/eisa/Kconfig"
  2094. config TC
  2095. bool "TURBOchannel support"
  2096. depends on MACH_DECSTATION
  2097. help
  2098. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2099. processors. TURBOchannel programming specifications are available
  2100. at:
  2101. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2102. and:
  2103. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2104. Linux driver support status is documented at:
  2105. <http://www.linux-mips.org/wiki/DECstation>
  2106. config MMU
  2107. bool
  2108. default y
  2109. config I8253
  2110. bool
  2111. select CLKSRC_I8253
  2112. select CLKEVT_I8253
  2113. select MIPS_EXTERNAL_TIMER
  2114. config ZONE_DMA32
  2115. bool
  2116. source "drivers/pcmcia/Kconfig"
  2117. source "drivers/pci/hotplug/Kconfig"
  2118. config RAPIDIO
  2119. bool "RapidIO support"
  2120. depends on PCI
  2121. default n
  2122. help
  2123. If you say Y here, the kernel will include drivers and
  2124. infrastructure code to support RapidIO interconnect devices.
  2125. source "drivers/rapidio/Kconfig"
  2126. endmenu
  2127. menu "Executable file formats"
  2128. source "fs/Kconfig.binfmt"
  2129. config TRAD_SIGNALS
  2130. bool
  2131. config MIPS32_COMPAT
  2132. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2133. depends on 64BIT
  2134. help
  2135. Select this option if you want Linux/MIPS 32-bit binary
  2136. compatibility. Since all software available for Linux/MIPS is
  2137. currently 32-bit you should say Y here.
  2138. config COMPAT
  2139. bool
  2140. depends on MIPS32_COMPAT
  2141. select ARCH_WANT_OLD_COMPAT_IPC
  2142. default y
  2143. config SYSVIPC_COMPAT
  2144. bool
  2145. depends on COMPAT && SYSVIPC
  2146. default y
  2147. config MIPS32_O32
  2148. bool "Kernel support for o32 binaries"
  2149. depends on MIPS32_COMPAT
  2150. help
  2151. Select this option if you want to run o32 binaries. These are pure
  2152. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2153. existing binaries are in this format.
  2154. If unsure, say Y.
  2155. config MIPS32_N32
  2156. bool "Kernel support for n32 binaries"
  2157. depends on MIPS32_COMPAT
  2158. help
  2159. Select this option if you want to run n32 binaries. These are
  2160. 64-bit binaries using 32-bit quantities for addressing and certain
  2161. data that would normally be 64-bit. They are used in special
  2162. cases.
  2163. If unsure, say N.
  2164. config BINFMT_ELF32
  2165. bool
  2166. default y if MIPS32_O32 || MIPS32_N32
  2167. endmenu
  2168. menu "Power management options"
  2169. config ARCH_HIBERNATION_POSSIBLE
  2170. def_bool y
  2171. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2172. config ARCH_SUSPEND_POSSIBLE
  2173. def_bool y
  2174. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2175. source "kernel/power/Kconfig"
  2176. endmenu
  2177. source "arch/mips/kernel/cpufreq/Kconfig"
  2178. source "net/Kconfig"
  2179. source "drivers/Kconfig"
  2180. source "drivers/firmware/Kconfig"
  2181. source "fs/Kconfig"
  2182. source "arch/mips/Kconfig.debug"
  2183. source "security/Kconfig"
  2184. source "crypto/Kconfig"
  2185. source "lib/Kconfig"