Kconfig 59 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 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 RTC_LIB if !MACH_LOONGSON
  20. select GENERIC_ATOMIC64 if !64BIT
  21. select HAVE_DMA_ATTRS
  22. select HAVE_DMA_API_DEBUG
  23. select HAVE_GENERIC_HARDIRQS
  24. select GENERIC_IRQ_PROBE
  25. select GENERIC_IRQ_SHOW
  26. select HAVE_ARCH_JUMP_LABEL
  27. select IRQ_FORCED_THREADING
  28. menu "Machine selection"
  29. config ZONE_DMA
  30. bool
  31. choice
  32. prompt "System type"
  33. default SGI_IP22
  34. config MIPS_ALCHEMY
  35. bool "Alchemy processor based machines"
  36. select 64BIT_PHYS_ADDR
  37. select CEVT_R4K_LIB
  38. select CSRC_R4K_LIB
  39. select IRQ_CPU
  40. select SYS_HAS_CPU_MIPS32_R1
  41. select SYS_SUPPORTS_32BIT_KERNEL
  42. select SYS_SUPPORTS_APM_EMULATION
  43. select GENERIC_GPIO
  44. select ARCH_WANT_OPTIONAL_GPIOLIB
  45. select SYS_SUPPORTS_ZBOOT
  46. config AR7
  47. bool "Texas Instruments AR7"
  48. select BOOT_ELF32
  49. select DMA_NONCOHERENT
  50. select CEVT_R4K
  51. select CSRC_R4K
  52. select IRQ_CPU
  53. select NO_EXCEPT_FILL
  54. select SWAP_IO_SPACE
  55. select SYS_HAS_CPU_MIPS32_R1
  56. select SYS_HAS_EARLY_PRINTK
  57. select SYS_SUPPORTS_32BIT_KERNEL
  58. select SYS_SUPPORTS_LITTLE_ENDIAN
  59. select SYS_SUPPORTS_ZBOOT_UART16550
  60. select ARCH_REQUIRE_GPIOLIB
  61. select GCD
  62. select VLYNQ
  63. help
  64. Support for the Texas Instruments AR7 System-on-a-Chip
  65. family: TNETD7100, 7200 and 7300.
  66. config ATH79
  67. bool "Atheros AR71XX/AR724X/AR913X based boards"
  68. select ARCH_REQUIRE_GPIOLIB
  69. select BOOT_RAW
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select DMA_NONCOHERENT
  73. select IRQ_CPU
  74. select MIPS_MACHINE
  75. select SYS_HAS_CPU_MIPS32_R2
  76. select SYS_HAS_EARLY_PRINTK
  77. select SYS_SUPPORTS_32BIT_KERNEL
  78. select SYS_SUPPORTS_BIG_ENDIAN
  79. help
  80. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  81. config BCM47XX
  82. bool "Broadcom BCM47XX based boards"
  83. select CEVT_R4K
  84. select CSRC_R4K
  85. select DMA_NONCOHERENT
  86. select HW_HAS_PCI
  87. select IRQ_CPU
  88. select SYS_SUPPORTS_32BIT_KERNEL
  89. select SYS_SUPPORTS_LITTLE_ENDIAN
  90. select GENERIC_GPIO
  91. select SYS_HAS_EARLY_PRINTK
  92. select CFE
  93. help
  94. Support for BCM47XX based boards
  95. config BCM63XX
  96. bool "Broadcom BCM63XX based boards"
  97. select CEVT_R4K
  98. select CSRC_R4K
  99. select DMA_NONCOHERENT
  100. select IRQ_CPU
  101. select SYS_HAS_CPU_MIPS32_R1
  102. select SYS_SUPPORTS_32BIT_KERNEL
  103. select SYS_SUPPORTS_BIG_ENDIAN
  104. select SYS_HAS_EARLY_PRINTK
  105. select SWAP_IO_SPACE
  106. select ARCH_REQUIRE_GPIOLIB
  107. help
  108. Support for BCM63XX based boards
  109. config MIPS_COBALT
  110. bool "Cobalt Server"
  111. select CEVT_R4K
  112. select CSRC_R4K
  113. select CEVT_GT641XX
  114. select DMA_NONCOHERENT
  115. select HW_HAS_PCI
  116. select I8253
  117. select I8259
  118. select IRQ_CPU
  119. select IRQ_GT641XX
  120. select PCI_GT64XXX_PCI0
  121. select PCI
  122. select SYS_HAS_CPU_NEVADA
  123. select SYS_HAS_EARLY_PRINTK
  124. select SYS_SUPPORTS_32BIT_KERNEL
  125. select SYS_SUPPORTS_64BIT_KERNEL
  126. select SYS_SUPPORTS_LITTLE_ENDIAN
  127. config MACH_DECSTATION
  128. bool "DECstations"
  129. select BOOT_ELF32
  130. select CEVT_DS1287
  131. select CEVT_R4K
  132. select CSRC_IOASIC
  133. select CSRC_R4K
  134. select CPU_DADDI_WORKAROUNDS if 64BIT
  135. select CPU_R4000_WORKAROUNDS if 64BIT
  136. select CPU_R4400_WORKAROUNDS if 64BIT
  137. select DMA_NONCOHERENT
  138. select NO_IOPORT
  139. select IRQ_CPU
  140. select SYS_HAS_CPU_R3000
  141. select SYS_HAS_CPU_R4X00
  142. select SYS_SUPPORTS_32BIT_KERNEL
  143. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  144. select SYS_SUPPORTS_LITTLE_ENDIAN
  145. select SYS_SUPPORTS_128HZ
  146. select SYS_SUPPORTS_256HZ
  147. select SYS_SUPPORTS_1024HZ
  148. help
  149. This enables support for DEC's MIPS based workstations. For details
  150. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  151. DECstation porting pages on <http://decstation.unix-ag.org/>.
  152. If you have one of the following DECstation Models you definitely
  153. want to choose R4xx0 for the CPU Type:
  154. DECstation 5000/50
  155. DECstation 5000/150
  156. DECstation 5000/260
  157. DECsystem 5900/260
  158. otherwise choose R3000.
  159. config MACH_JAZZ
  160. bool "Jazz family of machines"
  161. select ARC
  162. select ARC32
  163. select ARCH_MAY_HAVE_PC_FDC
  164. select CEVT_R4K
  165. select CSRC_R4K
  166. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  167. select GENERIC_ISA_DMA
  168. select HAVE_PCSPKR_PLATFORM
  169. select IRQ_CPU
  170. select I8253
  171. select I8259
  172. select ISA
  173. select SYS_HAS_CPU_R4X00
  174. select SYS_SUPPORTS_32BIT_KERNEL
  175. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  176. select SYS_SUPPORTS_100HZ
  177. help
  178. This a family of machines based on the MIPS R4030 chipset which was
  179. used by several vendors to build RISC/os and Windows NT workstations.
  180. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  181. Olivetti M700-10 workstations.
  182. config MACH_JZ4740
  183. bool "Ingenic JZ4740 based machines"
  184. select SYS_HAS_CPU_MIPS32_R1
  185. select SYS_SUPPORTS_32BIT_KERNEL
  186. select SYS_SUPPORTS_LITTLE_ENDIAN
  187. select DMA_NONCOHERENT
  188. select IRQ_CPU
  189. select GENERIC_GPIO
  190. select ARCH_REQUIRE_GPIOLIB
  191. select SYS_HAS_EARLY_PRINTK
  192. select HAVE_PWM
  193. select HAVE_CLK
  194. config LANTIQ
  195. bool "Lantiq based platforms"
  196. select DMA_NONCOHERENT
  197. select IRQ_CPU
  198. select CEVT_R4K
  199. select CSRC_R4K
  200. select SYS_HAS_CPU_MIPS32_R1
  201. select SYS_HAS_CPU_MIPS32_R2
  202. select SYS_SUPPORTS_BIG_ENDIAN
  203. select SYS_SUPPORTS_32BIT_KERNEL
  204. select SYS_SUPPORTS_MULTITHREADING
  205. select SYS_HAS_EARLY_PRINTK
  206. select ARCH_REQUIRE_GPIOLIB
  207. select SWAP_IO_SPACE
  208. select BOOT_RAW
  209. select HAVE_CLK
  210. select MIPS_MACHINE
  211. config LASAT
  212. bool "LASAT Networks platforms"
  213. select CEVT_R4K
  214. select CSRC_R4K
  215. select DMA_NONCOHERENT
  216. select SYS_HAS_EARLY_PRINTK
  217. select HW_HAS_PCI
  218. select IRQ_CPU
  219. select PCI_GT64XXX_PCI0
  220. select MIPS_NILE4
  221. select R5000_CPU_SCACHE
  222. select SYS_HAS_CPU_R5000
  223. select SYS_SUPPORTS_32BIT_KERNEL
  224. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  225. select SYS_SUPPORTS_LITTLE_ENDIAN
  226. config MACH_LOONGSON
  227. bool "Loongson family of machines"
  228. select SYS_SUPPORTS_ZBOOT
  229. help
  230. This enables the support of Loongson family of machines.
  231. Loongson is a family of general-purpose MIPS-compatible CPUs.
  232. developed at Institute of Computing Technology (ICT),
  233. Chinese Academy of Sciences (CAS) in the People's Republic
  234. of China. The chief architect is Professor Weiwu Hu.
  235. config MIPS_MALTA
  236. bool "MIPS Malta board"
  237. select ARCH_MAY_HAVE_PC_FDC
  238. select BOOT_ELF32
  239. select BOOT_RAW
  240. select CEVT_R4K
  241. select CSRC_R4K
  242. select DMA_NONCOHERENT
  243. select GENERIC_ISA_DMA
  244. select HAVE_PCSPKR_PLATFORM
  245. select IRQ_CPU
  246. select IRQ_GIC
  247. select HW_HAS_PCI
  248. select I8253
  249. select I8259
  250. select MIPS_BOARDS_GEN
  251. select MIPS_BONITO64
  252. select MIPS_CPU_SCACHE
  253. select PCI_GT64XXX_PCI0
  254. select MIPS_MSC
  255. select SWAP_IO_SPACE
  256. select SYS_HAS_CPU_MIPS32_R1
  257. select SYS_HAS_CPU_MIPS32_R2
  258. select SYS_HAS_CPU_MIPS64_R1
  259. select SYS_HAS_CPU_NEVADA
  260. select SYS_HAS_CPU_RM7000
  261. select SYS_HAS_EARLY_PRINTK
  262. select SYS_SUPPORTS_32BIT_KERNEL
  263. select SYS_SUPPORTS_64BIT_KERNEL
  264. select SYS_SUPPORTS_BIG_ENDIAN
  265. select SYS_SUPPORTS_LITTLE_ENDIAN
  266. select SYS_SUPPORTS_MIPS_CMP
  267. select SYS_SUPPORTS_MULTITHREADING
  268. select SYS_SUPPORTS_SMARTMIPS
  269. select SYS_SUPPORTS_ZBOOT
  270. help
  271. This enables support for the MIPS Technologies Malta evaluation
  272. board.
  273. config MIPS_SIM
  274. bool 'MIPS simulator (MIPSsim)'
  275. select CEVT_R4K
  276. select CSRC_R4K
  277. select DMA_NONCOHERENT
  278. select SYS_HAS_EARLY_PRINTK
  279. select IRQ_CPU
  280. select BOOT_RAW
  281. select SYS_HAS_CPU_MIPS32_R1
  282. select SYS_HAS_CPU_MIPS32_R2
  283. select SYS_HAS_EARLY_PRINTK
  284. select SYS_SUPPORTS_32BIT_KERNEL
  285. select SYS_SUPPORTS_BIG_ENDIAN
  286. select SYS_SUPPORTS_MULTITHREADING
  287. select SYS_SUPPORTS_LITTLE_ENDIAN
  288. help
  289. This option enables support for MIPS Technologies MIPSsim software
  290. emulator.
  291. config NEC_MARKEINS
  292. bool "NEC EMMA2RH Mark-eins board"
  293. select SOC_EMMA2RH
  294. select HW_HAS_PCI
  295. help
  296. This enables support for the NEC Electronics Mark-eins boards.
  297. config MACH_VR41XX
  298. bool "NEC VR4100 series based machines"
  299. select CEVT_R4K
  300. select CSRC_R4K
  301. select SYS_HAS_CPU_VR41XX
  302. select ARCH_REQUIRE_GPIOLIB
  303. config NXP_STB220
  304. bool "NXP STB220 board"
  305. select SOC_PNX833X
  306. help
  307. Support for NXP Semiconductors STB220 Development Board.
  308. config NXP_STB225
  309. bool "NXP 225 board"
  310. select SOC_PNX833X
  311. select SOC_PNX8335
  312. help
  313. Support for NXP Semiconductors STB225 Development Board.
  314. config PNX8550_JBS
  315. bool "NXP PNX8550 based JBS board"
  316. select PNX8550
  317. select SYS_SUPPORTS_LITTLE_ENDIAN
  318. config PNX8550_STB810
  319. bool "NXP PNX8550 based STB810 board"
  320. select PNX8550
  321. select SYS_SUPPORTS_LITTLE_ENDIAN
  322. config PMC_MSP
  323. bool "PMC-Sierra MSP chipsets"
  324. depends on EXPERIMENTAL
  325. select CEVT_R4K
  326. select CSRC_R4K
  327. select DMA_NONCOHERENT
  328. select SWAP_IO_SPACE
  329. select NO_EXCEPT_FILL
  330. select BOOT_RAW
  331. select SYS_HAS_CPU_MIPS32_R1
  332. select SYS_HAS_CPU_MIPS32_R2
  333. select SYS_SUPPORTS_32BIT_KERNEL
  334. select SYS_SUPPORTS_BIG_ENDIAN
  335. select IRQ_CPU
  336. select SERIAL_8250
  337. select SERIAL_8250_CONSOLE
  338. help
  339. This adds support for the PMC-Sierra family of Multi-Service
  340. Processor System-On-A-Chips. These parts include a number
  341. of integrated peripherals, interfaces and DSPs in addition to
  342. a variety of MIPS cores.
  343. config PMC_YOSEMITE
  344. bool "PMC-Sierra Yosemite eval board"
  345. select CEVT_R4K
  346. select CSRC_R4K
  347. select DMA_COHERENT
  348. select HW_HAS_PCI
  349. select IRQ_CPU
  350. select IRQ_CPU_RM7K
  351. select IRQ_CPU_RM9K
  352. select SWAP_IO_SPACE
  353. select SYS_HAS_CPU_RM9000
  354. select SYS_HAS_EARLY_PRINTK
  355. select SYS_SUPPORTS_32BIT_KERNEL
  356. select SYS_SUPPORTS_64BIT_KERNEL
  357. select SYS_SUPPORTS_BIG_ENDIAN
  358. select SYS_SUPPORTS_HIGHMEM
  359. select SYS_SUPPORTS_SMP
  360. help
  361. Yosemite is an evaluation board for the RM9000x2 processor
  362. manufactured by PMC-Sierra.
  363. config POWERTV
  364. bool "Cisco PowerTV"
  365. select BOOT_ELF32
  366. select CEVT_R4K
  367. select CPU_MIPSR2_IRQ_VI
  368. select CPU_MIPSR2_IRQ_EI
  369. select CSRC_POWERTV
  370. select DMA_NONCOHERENT
  371. select HW_HAS_PCI
  372. select SYS_HAS_EARLY_PRINTK
  373. select SYS_HAS_CPU_MIPS32_R2
  374. select SYS_SUPPORTS_32BIT_KERNEL
  375. select SYS_SUPPORTS_BIG_ENDIAN
  376. select SYS_SUPPORTS_HIGHMEM
  377. select USB_OHCI_LITTLE_ENDIAN
  378. help
  379. This enables support for the Cisco PowerTV Platform.
  380. config SGI_IP22
  381. bool "SGI IP22 (Indy/Indigo2)"
  382. select ARC
  383. select ARC32
  384. select BOOT_ELF32
  385. select CEVT_R4K
  386. select CSRC_R4K
  387. select DEFAULT_SGI_PARTITION
  388. select DMA_NONCOHERENT
  389. select HW_HAS_EISA
  390. select I8253
  391. select I8259
  392. select IP22_CPU_SCACHE
  393. select IRQ_CPU
  394. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  395. select SGI_HAS_I8042
  396. select SGI_HAS_INDYDOG
  397. select SGI_HAS_HAL2
  398. select SGI_HAS_SEEQ
  399. select SGI_HAS_WD93
  400. select SGI_HAS_ZILOG
  401. select SWAP_IO_SPACE
  402. select SYS_HAS_CPU_R4X00
  403. select SYS_HAS_CPU_R5000
  404. #
  405. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  406. # memory during early boot on some machines.
  407. #
  408. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  409. # for a more details discussion
  410. #
  411. # select SYS_HAS_EARLY_PRINTK
  412. select SYS_SUPPORTS_32BIT_KERNEL
  413. select SYS_SUPPORTS_64BIT_KERNEL
  414. select SYS_SUPPORTS_BIG_ENDIAN
  415. help
  416. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  417. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  418. that runs on these, say Y here.
  419. config SGI_IP27
  420. bool "SGI IP27 (Origin200/2000)"
  421. select ARC
  422. select ARC64
  423. select BOOT_ELF64
  424. select DEFAULT_SGI_PARTITION
  425. select DMA_COHERENT
  426. select SYS_HAS_EARLY_PRINTK
  427. select HW_HAS_PCI
  428. select NR_CPUS_DEFAULT_64
  429. select SYS_HAS_CPU_R10000
  430. select SYS_SUPPORTS_64BIT_KERNEL
  431. select SYS_SUPPORTS_BIG_ENDIAN
  432. select SYS_SUPPORTS_NUMA
  433. select SYS_SUPPORTS_SMP
  434. help
  435. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  436. workstations. To compile a Linux kernel that runs on these, say Y
  437. here.
  438. config SGI_IP28
  439. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  440. depends on EXPERIMENTAL
  441. select ARC
  442. select ARC64
  443. select BOOT_ELF64
  444. select CEVT_R4K
  445. select CSRC_R4K
  446. select DEFAULT_SGI_PARTITION
  447. select DMA_NONCOHERENT
  448. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  449. select IRQ_CPU
  450. select HW_HAS_EISA
  451. select I8253
  452. select I8259
  453. select SGI_HAS_I8042
  454. select SGI_HAS_INDYDOG
  455. select SGI_HAS_HAL2
  456. select SGI_HAS_SEEQ
  457. select SGI_HAS_WD93
  458. select SGI_HAS_ZILOG
  459. select SWAP_IO_SPACE
  460. select SYS_HAS_CPU_R10000
  461. #
  462. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  463. # memory during early boot on some machines.
  464. #
  465. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  466. # for a more details discussion
  467. #
  468. # select SYS_HAS_EARLY_PRINTK
  469. select SYS_SUPPORTS_64BIT_KERNEL
  470. select SYS_SUPPORTS_BIG_ENDIAN
  471. help
  472. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  473. kernel that runs on these, say Y here.
  474. config SGI_IP32
  475. bool "SGI IP32 (O2)"
  476. select ARC
  477. select ARC32
  478. select BOOT_ELF32
  479. select CEVT_R4K
  480. select CSRC_R4K
  481. select DMA_NONCOHERENT
  482. select HW_HAS_PCI
  483. select IRQ_CPU
  484. select R5000_CPU_SCACHE
  485. select RM7000_CPU_SCACHE
  486. select SYS_HAS_CPU_R5000
  487. select SYS_HAS_CPU_R10000 if BROKEN
  488. select SYS_HAS_CPU_RM7000
  489. select SYS_HAS_CPU_NEVADA
  490. select SYS_SUPPORTS_64BIT_KERNEL
  491. select SYS_SUPPORTS_BIG_ENDIAN
  492. help
  493. If you want this kernel to run on SGI O2 workstation, say Y here.
  494. config SIBYTE_CRHINE
  495. bool "Sibyte BCM91120C-CRhine"
  496. depends on EXPERIMENTAL
  497. select BOOT_ELF32
  498. select DMA_COHERENT
  499. select SIBYTE_BCM1120
  500. select SWAP_IO_SPACE
  501. select SYS_HAS_CPU_SB1
  502. select SYS_SUPPORTS_BIG_ENDIAN
  503. select SYS_SUPPORTS_LITTLE_ENDIAN
  504. config SIBYTE_CARMEL
  505. bool "Sibyte BCM91120x-Carmel"
  506. depends on EXPERIMENTAL
  507. select BOOT_ELF32
  508. select DMA_COHERENT
  509. select SIBYTE_BCM1120
  510. select SWAP_IO_SPACE
  511. select SYS_HAS_CPU_SB1
  512. select SYS_SUPPORTS_BIG_ENDIAN
  513. select SYS_SUPPORTS_LITTLE_ENDIAN
  514. config SIBYTE_CRHONE
  515. bool "Sibyte BCM91125C-CRhone"
  516. depends on EXPERIMENTAL
  517. select BOOT_ELF32
  518. select DMA_COHERENT
  519. select SIBYTE_BCM1125
  520. select SWAP_IO_SPACE
  521. select SYS_HAS_CPU_SB1
  522. select SYS_SUPPORTS_BIG_ENDIAN
  523. select SYS_SUPPORTS_HIGHMEM
  524. select SYS_SUPPORTS_LITTLE_ENDIAN
  525. config SIBYTE_RHONE
  526. bool "Sibyte BCM91125E-Rhone"
  527. depends on EXPERIMENTAL
  528. select BOOT_ELF32
  529. select DMA_COHERENT
  530. select SIBYTE_BCM1125H
  531. select SWAP_IO_SPACE
  532. select SYS_HAS_CPU_SB1
  533. select SYS_SUPPORTS_BIG_ENDIAN
  534. select SYS_SUPPORTS_LITTLE_ENDIAN
  535. config SIBYTE_SWARM
  536. bool "Sibyte BCM91250A-SWARM"
  537. select BOOT_ELF32
  538. select DMA_COHERENT
  539. select HAVE_PATA_PLATFORM
  540. select NR_CPUS_DEFAULT_2
  541. select SIBYTE_SB1250
  542. select SWAP_IO_SPACE
  543. select SYS_HAS_CPU_SB1
  544. select SYS_SUPPORTS_BIG_ENDIAN
  545. select SYS_SUPPORTS_HIGHMEM
  546. select SYS_SUPPORTS_LITTLE_ENDIAN
  547. select ZONE_DMA32 if 64BIT
  548. config SIBYTE_LITTLESUR
  549. bool "Sibyte BCM91250C2-LittleSur"
  550. depends on EXPERIMENTAL
  551. select BOOT_ELF32
  552. select DMA_COHERENT
  553. select HAVE_PATA_PLATFORM
  554. select NR_CPUS_DEFAULT_2
  555. select SIBYTE_SB1250
  556. select SWAP_IO_SPACE
  557. select SYS_HAS_CPU_SB1
  558. select SYS_SUPPORTS_BIG_ENDIAN
  559. select SYS_SUPPORTS_HIGHMEM
  560. select SYS_SUPPORTS_LITTLE_ENDIAN
  561. config SIBYTE_SENTOSA
  562. bool "Sibyte BCM91250E-Sentosa"
  563. depends on EXPERIMENTAL
  564. select BOOT_ELF32
  565. select DMA_COHERENT
  566. select NR_CPUS_DEFAULT_2
  567. select SIBYTE_SB1250
  568. select SWAP_IO_SPACE
  569. select SYS_HAS_CPU_SB1
  570. select SYS_SUPPORTS_BIG_ENDIAN
  571. select SYS_SUPPORTS_LITTLE_ENDIAN
  572. config SIBYTE_BIGSUR
  573. bool "Sibyte BCM91480B-BigSur"
  574. select BOOT_ELF32
  575. select DMA_COHERENT
  576. select NR_CPUS_DEFAULT_4
  577. select SIBYTE_BCM1x80
  578. select SWAP_IO_SPACE
  579. select SYS_HAS_CPU_SB1
  580. select SYS_SUPPORTS_BIG_ENDIAN
  581. select SYS_SUPPORTS_HIGHMEM
  582. select SYS_SUPPORTS_LITTLE_ENDIAN
  583. select ZONE_DMA32 if 64BIT
  584. config SNI_RM
  585. bool "SNI RM200/300/400"
  586. select ARC if CPU_LITTLE_ENDIAN
  587. select ARC32 if CPU_LITTLE_ENDIAN
  588. select SNIPROM if CPU_BIG_ENDIAN
  589. select ARCH_MAY_HAVE_PC_FDC
  590. select BOOT_ELF32
  591. select CEVT_R4K
  592. select CSRC_R4K
  593. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  594. select DMA_NONCOHERENT
  595. select GENERIC_ISA_DMA
  596. select HAVE_PCSPKR_PLATFORM
  597. select HW_HAS_EISA
  598. select HW_HAS_PCI
  599. select IRQ_CPU
  600. select I8253
  601. select I8259
  602. select ISA
  603. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  604. select SYS_HAS_CPU_R4X00
  605. select SYS_HAS_CPU_R5000
  606. select SYS_HAS_CPU_R10000
  607. select R5000_CPU_SCACHE
  608. select SYS_HAS_EARLY_PRINTK
  609. select SYS_SUPPORTS_32BIT_KERNEL
  610. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  611. select SYS_SUPPORTS_BIG_ENDIAN
  612. select SYS_SUPPORTS_HIGHMEM
  613. select SYS_SUPPORTS_LITTLE_ENDIAN
  614. help
  615. The SNI RM200/300/400 are MIPS-based machines manufactured by
  616. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  617. Technology and now in turn merged with Fujitsu. Say Y here to
  618. support this machine type.
  619. config MACH_TX39XX
  620. bool "Toshiba TX39 series based machines"
  621. config MACH_TX49XX
  622. bool "Toshiba TX49 series based machines"
  623. config MIKROTIK_RB532
  624. bool "Mikrotik RB532 boards"
  625. select CEVT_R4K
  626. select CSRC_R4K
  627. select DMA_NONCOHERENT
  628. select HW_HAS_PCI
  629. select IRQ_CPU
  630. select SYS_HAS_CPU_MIPS32_R1
  631. select SYS_SUPPORTS_32BIT_KERNEL
  632. select SYS_SUPPORTS_LITTLE_ENDIAN
  633. select SWAP_IO_SPACE
  634. select BOOT_RAW
  635. select ARCH_REQUIRE_GPIOLIB
  636. help
  637. Support the Mikrotik(tm) RouterBoard 532 series,
  638. based on the IDT RC32434 SoC.
  639. config WR_PPMC
  640. bool "Wind River PPMC board"
  641. select CEVT_R4K
  642. select CSRC_R4K
  643. select IRQ_CPU
  644. select BOOT_ELF32
  645. select DMA_NONCOHERENT
  646. select HW_HAS_PCI
  647. select PCI_GT64XXX_PCI0
  648. select SWAP_IO_SPACE
  649. select SYS_HAS_CPU_MIPS32_R1
  650. select SYS_HAS_CPU_MIPS32_R2
  651. select SYS_HAS_CPU_MIPS64_R1
  652. select SYS_HAS_CPU_NEVADA
  653. select SYS_HAS_CPU_RM7000
  654. select SYS_SUPPORTS_32BIT_KERNEL
  655. select SYS_SUPPORTS_64BIT_KERNEL
  656. select SYS_SUPPORTS_BIG_ENDIAN
  657. select SYS_SUPPORTS_LITTLE_ENDIAN
  658. help
  659. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  660. board, which is based on GT64120 bridge chip.
  661. config CAVIUM_OCTEON_SIMULATOR
  662. bool "Cavium Networks Octeon Simulator"
  663. select CEVT_R4K
  664. select 64BIT_PHYS_ADDR
  665. select DMA_COHERENT
  666. select SYS_SUPPORTS_64BIT_KERNEL
  667. select SYS_SUPPORTS_BIG_ENDIAN
  668. select SYS_SUPPORTS_HIGHMEM
  669. select SYS_SUPPORTS_HOTPLUG_CPU
  670. select SYS_HAS_CPU_CAVIUM_OCTEON
  671. select HOLES_IN_ZONE
  672. help
  673. The Octeon simulator is software performance model of the Cavium
  674. Octeon Processor. It supports simulating Octeon processors on x86
  675. hardware.
  676. config CAVIUM_OCTEON_REFERENCE_BOARD
  677. bool "Cavium Networks Octeon reference board"
  678. select CEVT_R4K
  679. select 64BIT_PHYS_ADDR
  680. select DMA_COHERENT
  681. select SYS_SUPPORTS_64BIT_KERNEL
  682. select SYS_SUPPORTS_BIG_ENDIAN
  683. select SYS_SUPPORTS_HIGHMEM
  684. select SYS_SUPPORTS_HOTPLUG_CPU
  685. select SYS_HAS_EARLY_PRINTK
  686. select SYS_HAS_CPU_CAVIUM_OCTEON
  687. select SWAP_IO_SPACE
  688. select HW_HAS_PCI
  689. select ARCH_SUPPORTS_MSI
  690. select ZONE_DMA32
  691. select USB_ARCH_HAS_OHCI
  692. select USB_ARCH_HAS_EHCI
  693. select HOLES_IN_ZONE
  694. help
  695. This option supports all of the Octeon reference boards from Cavium
  696. Networks. It builds a kernel that dynamically determines the Octeon
  697. CPU type and supports all known board reference implementations.
  698. Some of the supported boards are:
  699. EBT3000
  700. EBH3000
  701. EBH3100
  702. Thunder
  703. Kodama
  704. Hikari
  705. Say Y here for most Octeon reference boards.
  706. config NLM_XLR_BOARD
  707. bool "Netlogic XLR/XLS based systems"
  708. depends on EXPERIMENTAL
  709. select BOOT_ELF32
  710. select NLM_COMMON
  711. select NLM_XLR
  712. select SYS_HAS_CPU_XLR
  713. select SYS_SUPPORTS_SMP
  714. select HW_HAS_PCI
  715. select SWAP_IO_SPACE
  716. select SYS_SUPPORTS_32BIT_KERNEL
  717. select SYS_SUPPORTS_64BIT_KERNEL
  718. select 64BIT_PHYS_ADDR
  719. select SYS_SUPPORTS_BIG_ENDIAN
  720. select SYS_SUPPORTS_HIGHMEM
  721. select DMA_COHERENT
  722. select NR_CPUS_DEFAULT_32
  723. select CEVT_R4K
  724. select CSRC_R4K
  725. select IRQ_CPU
  726. select ZONE_DMA if 64BIT
  727. select SYNC_R4K
  728. select SYS_HAS_EARLY_PRINTK
  729. help
  730. Support for systems based on Netlogic XLR and XLS processors.
  731. Say Y here if you have a XLR or XLS based board.
  732. endchoice
  733. source "arch/mips/alchemy/Kconfig"
  734. source "arch/mips/ath79/Kconfig"
  735. source "arch/mips/bcm47xx/Kconfig"
  736. source "arch/mips/bcm63xx/Kconfig"
  737. source "arch/mips/jazz/Kconfig"
  738. source "arch/mips/jz4740/Kconfig"
  739. source "arch/mips/lantiq/Kconfig"
  740. source "arch/mips/lasat/Kconfig"
  741. source "arch/mips/pmc-sierra/Kconfig"
  742. source "arch/mips/powertv/Kconfig"
  743. source "arch/mips/sgi-ip27/Kconfig"
  744. source "arch/mips/sibyte/Kconfig"
  745. source "arch/mips/txx9/Kconfig"
  746. source "arch/mips/vr41xx/Kconfig"
  747. source "arch/mips/cavium-octeon/Kconfig"
  748. source "arch/mips/loongson/Kconfig"
  749. source "arch/mips/netlogic/Kconfig"
  750. endmenu
  751. config RWSEM_GENERIC_SPINLOCK
  752. bool
  753. default y
  754. config RWSEM_XCHGADD_ALGORITHM
  755. bool
  756. config ARCH_HAS_ILOG2_U32
  757. bool
  758. default n
  759. config ARCH_HAS_ILOG2_U64
  760. bool
  761. default n
  762. config ARCH_SUPPORTS_OPROFILE
  763. bool
  764. default y if !MIPS_MT_SMTC
  765. config GENERIC_HWEIGHT
  766. bool
  767. default y
  768. config GENERIC_CALIBRATE_DELAY
  769. bool
  770. default y
  771. config GENERIC_CLOCKEVENTS
  772. bool
  773. default y
  774. config GENERIC_CMOS_UPDATE
  775. bool
  776. default y
  777. config SCHED_OMIT_FRAME_POINTER
  778. bool
  779. default y
  780. #
  781. # Select some configuration options automatically based on user selections.
  782. #
  783. config ARC
  784. bool
  785. config ARCH_MAY_HAVE_PC_FDC
  786. bool
  787. config BOOT_RAW
  788. bool
  789. config CEVT_BCM1480
  790. bool
  791. config CEVT_DS1287
  792. bool
  793. config CEVT_GT641XX
  794. bool
  795. config CEVT_R4K_LIB
  796. bool
  797. config CEVT_R4K
  798. select CEVT_R4K_LIB
  799. bool
  800. config CEVT_SB1250
  801. bool
  802. config CEVT_TXX9
  803. bool
  804. config CSRC_BCM1480
  805. bool
  806. config CSRC_IOASIC
  807. bool
  808. config CSRC_POWERTV
  809. bool
  810. config CSRC_R4K_LIB
  811. bool
  812. config CSRC_R4K
  813. select CSRC_R4K_LIB
  814. bool
  815. config CSRC_SB1250
  816. bool
  817. config GPIO_TXX9
  818. select GENERIC_GPIO
  819. select ARCH_REQUIRE_GPIOLIB
  820. bool
  821. config CFE
  822. bool
  823. config ARCH_DMA_ADDR_T_64BIT
  824. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  825. config DMA_COHERENT
  826. bool
  827. config DMA_NONCOHERENT
  828. bool
  829. select NEED_DMA_MAP_STATE
  830. config NEED_DMA_MAP_STATE
  831. bool
  832. config SYS_HAS_EARLY_PRINTK
  833. bool
  834. config HOTPLUG_CPU
  835. bool "Support for hot-pluggable CPUs"
  836. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  837. help
  838. Say Y here to allow turning CPUs off and on. CPUs can be
  839. controlled through /sys/devices/system/cpu.
  840. (Note: power management support will enable this option
  841. automatically on SMP systems. )
  842. Say N if you want to disable CPU hotplug.
  843. config SYS_SUPPORTS_HOTPLUG_CPU
  844. bool
  845. config I8259
  846. bool
  847. config MIPS_BONITO64
  848. bool
  849. config MIPS_MSC
  850. bool
  851. config MIPS_NILE4
  852. bool
  853. config MIPS_DISABLE_OBSOLETE_IDE
  854. bool
  855. config SYNC_R4K
  856. bool
  857. config MIPS_MACHINE
  858. def_bool n
  859. config NO_IOPORT
  860. def_bool n
  861. config GENERIC_ISA_DMA
  862. bool
  863. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  864. select ISA_DMA_API
  865. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  866. bool
  867. select GENERIC_ISA_DMA
  868. config ISA_DMA_API
  869. bool
  870. config GENERIC_GPIO
  871. bool
  872. config HOLES_IN_ZONE
  873. bool
  874. #
  875. # Endianess selection. Sufficiently obscure so many users don't know what to
  876. # answer,so we try hard to limit the available choices. Also the use of a
  877. # choice statement should be more obvious to the user.
  878. #
  879. choice
  880. prompt "Endianess selection"
  881. help
  882. Some MIPS machines can be configured for either little or big endian
  883. byte order. These modes require different kernels and a different
  884. Linux distribution. In general there is one preferred byteorder for a
  885. particular system but some systems are just as commonly used in the
  886. one or the other endianness.
  887. config CPU_BIG_ENDIAN
  888. bool "Big endian"
  889. depends on SYS_SUPPORTS_BIG_ENDIAN
  890. config CPU_LITTLE_ENDIAN
  891. bool "Little endian"
  892. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  893. help
  894. endchoice
  895. config EXPORT_UASM
  896. bool
  897. config SYS_SUPPORTS_APM_EMULATION
  898. bool
  899. config SYS_SUPPORTS_BIG_ENDIAN
  900. bool
  901. config SYS_SUPPORTS_LITTLE_ENDIAN
  902. bool
  903. config SYS_SUPPORTS_HUGETLBFS
  904. bool
  905. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  906. default y
  907. config IRQ_CPU
  908. bool
  909. config IRQ_CPU_RM7K
  910. bool
  911. config IRQ_CPU_RM9K
  912. bool
  913. config IRQ_MSP_SLP
  914. bool
  915. config IRQ_MSP_CIC
  916. bool
  917. config IRQ_TXX9
  918. bool
  919. config IRQ_GT641XX
  920. bool
  921. config IRQ_GIC
  922. bool
  923. config MIPS_BOARDS_GEN
  924. bool
  925. config PCI_GT64XXX_PCI0
  926. bool
  927. config NO_EXCEPT_FILL
  928. bool
  929. config MIPS_RM9122
  930. bool
  931. select SERIAL_RM9000
  932. config SOC_EMMA2RH
  933. bool
  934. select CEVT_R4K
  935. select CSRC_R4K
  936. select DMA_NONCOHERENT
  937. select IRQ_CPU
  938. select SWAP_IO_SPACE
  939. select SYS_HAS_CPU_R5500
  940. select SYS_SUPPORTS_32BIT_KERNEL
  941. select SYS_SUPPORTS_64BIT_KERNEL
  942. select SYS_SUPPORTS_BIG_ENDIAN
  943. config SOC_PNX833X
  944. bool
  945. select CEVT_R4K
  946. select CSRC_R4K
  947. select IRQ_CPU
  948. select DMA_NONCOHERENT
  949. select SYS_HAS_CPU_MIPS32_R2
  950. select SYS_SUPPORTS_32BIT_KERNEL
  951. select SYS_SUPPORTS_LITTLE_ENDIAN
  952. select SYS_SUPPORTS_BIG_ENDIAN
  953. select GENERIC_GPIO
  954. select CPU_MIPSR2_IRQ_VI
  955. config SOC_PNX8335
  956. bool
  957. select SOC_PNX833X
  958. config PNX8550
  959. bool
  960. select SOC_PNX8550
  961. config SOC_PNX8550
  962. bool
  963. select DMA_NONCOHERENT
  964. select HW_HAS_PCI
  965. select SYS_HAS_CPU_MIPS32_R1
  966. select SYS_HAS_EARLY_PRINTK
  967. select SYS_SUPPORTS_32BIT_KERNEL
  968. select GENERIC_GPIO
  969. config SWAP_IO_SPACE
  970. bool
  971. config SERIAL_RM9000
  972. bool
  973. config SGI_HAS_INDYDOG
  974. bool
  975. config SGI_HAS_HAL2
  976. bool
  977. config SGI_HAS_SEEQ
  978. bool
  979. config SGI_HAS_WD93
  980. bool
  981. config SGI_HAS_ZILOG
  982. bool
  983. config SGI_HAS_I8042
  984. bool
  985. config DEFAULT_SGI_PARTITION
  986. bool
  987. config ARC32
  988. bool
  989. config SNIPROM
  990. bool
  991. config BOOT_ELF32
  992. bool
  993. config MIPS_L1_CACHE_SHIFT
  994. int
  995. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  996. default "6" if MIPS_CPU_SCACHE
  997. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  998. default "5"
  999. config HAVE_STD_PC_SERIAL_PORT
  1000. bool
  1001. config ARC_CONSOLE
  1002. bool "ARC console support"
  1003. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1004. config ARC_MEMORY
  1005. bool
  1006. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1007. default y
  1008. config ARC_PROMLIB
  1009. bool
  1010. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1011. default y
  1012. config ARC64
  1013. bool
  1014. config BOOT_ELF64
  1015. bool
  1016. menu "CPU selection"
  1017. choice
  1018. prompt "CPU type"
  1019. default CPU_R4X00
  1020. config CPU_LOONGSON2E
  1021. bool "Loongson 2E"
  1022. depends on SYS_HAS_CPU_LOONGSON2E
  1023. select CPU_LOONGSON2
  1024. help
  1025. The Loongson 2E processor implements the MIPS III instruction set
  1026. with many extensions.
  1027. It has an internal FPGA northbridge, which is compatible to
  1028. bonito64.
  1029. config CPU_LOONGSON2F
  1030. bool "Loongson 2F"
  1031. depends on SYS_HAS_CPU_LOONGSON2F
  1032. select CPU_LOONGSON2
  1033. select GENERIC_GPIO
  1034. select ARCH_REQUIRE_GPIOLIB
  1035. help
  1036. The Loongson 2F processor implements the MIPS III instruction set
  1037. with many extensions.
  1038. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1039. have a similar programming interface with FPGA northbridge used in
  1040. Loongson2E.
  1041. config CPU_MIPS32_R1
  1042. bool "MIPS32 Release 1"
  1043. depends on SYS_HAS_CPU_MIPS32_R1
  1044. select CPU_HAS_PREFETCH
  1045. select CPU_SUPPORTS_32BIT_KERNEL
  1046. select CPU_SUPPORTS_HIGHMEM
  1047. help
  1048. Choose this option to build a kernel for release 1 or later of the
  1049. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1050. MIPS processor are based on a MIPS32 processor. If you know the
  1051. specific type of processor in your system, choose those that one
  1052. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1053. Release 2 of the MIPS32 architecture is available since several
  1054. years so chances are you even have a MIPS32 Release 2 processor
  1055. in which case you should choose CPU_MIPS32_R2 instead for better
  1056. performance.
  1057. config CPU_MIPS32_R2
  1058. bool "MIPS32 Release 2"
  1059. depends on SYS_HAS_CPU_MIPS32_R2
  1060. select CPU_HAS_PREFETCH
  1061. select CPU_SUPPORTS_32BIT_KERNEL
  1062. select CPU_SUPPORTS_HIGHMEM
  1063. help
  1064. Choose this option to build a kernel for release 2 or later of the
  1065. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1066. MIPS processor are based on a MIPS32 processor. If you know the
  1067. specific type of processor in your system, choose those that one
  1068. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1069. config CPU_MIPS64_R1
  1070. bool "MIPS64 Release 1"
  1071. depends on SYS_HAS_CPU_MIPS64_R1
  1072. select CPU_HAS_PREFETCH
  1073. select CPU_SUPPORTS_32BIT_KERNEL
  1074. select CPU_SUPPORTS_64BIT_KERNEL
  1075. select CPU_SUPPORTS_HIGHMEM
  1076. select CPU_SUPPORTS_HUGEPAGES
  1077. help
  1078. Choose this option to build a kernel for release 1 or later of the
  1079. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1080. MIPS processor are based on a MIPS64 processor. If you know the
  1081. specific type of processor in your system, choose those that one
  1082. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1083. Release 2 of the MIPS64 architecture is available since several
  1084. years so chances are you even have a MIPS64 Release 2 processor
  1085. in which case you should choose CPU_MIPS64_R2 instead for better
  1086. performance.
  1087. config CPU_MIPS64_R2
  1088. bool "MIPS64 Release 2"
  1089. depends on SYS_HAS_CPU_MIPS64_R2
  1090. select CPU_HAS_PREFETCH
  1091. select CPU_SUPPORTS_32BIT_KERNEL
  1092. select CPU_SUPPORTS_64BIT_KERNEL
  1093. select CPU_SUPPORTS_HIGHMEM
  1094. select CPU_SUPPORTS_HUGEPAGES
  1095. help
  1096. Choose this option to build a kernel for release 2 or later of the
  1097. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1098. MIPS processor are based on a MIPS64 processor. If you know the
  1099. specific type of processor in your system, choose those that one
  1100. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1101. config CPU_R3000
  1102. bool "R3000"
  1103. depends on SYS_HAS_CPU_R3000
  1104. select CPU_HAS_WB
  1105. select CPU_SUPPORTS_32BIT_KERNEL
  1106. select CPU_SUPPORTS_HIGHMEM
  1107. help
  1108. Please make sure to pick the right CPU type. Linux/MIPS is not
  1109. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1110. *not* work on R4000 machines and vice versa. However, since most
  1111. of the supported machines have an R4000 (or similar) CPU, R4x00
  1112. might be a safe bet. If the resulting kernel does not work,
  1113. try to recompile with R3000.
  1114. config CPU_TX39XX
  1115. bool "R39XX"
  1116. depends on SYS_HAS_CPU_TX39XX
  1117. select CPU_SUPPORTS_32BIT_KERNEL
  1118. config CPU_VR41XX
  1119. bool "R41xx"
  1120. depends on SYS_HAS_CPU_VR41XX
  1121. select CPU_SUPPORTS_32BIT_KERNEL
  1122. select CPU_SUPPORTS_64BIT_KERNEL
  1123. help
  1124. The options selects support for the NEC VR4100 series of processors.
  1125. Only choose this option if you have one of these processors as a
  1126. kernel built with this option will not run on any other type of
  1127. processor or vice versa.
  1128. config CPU_R4300
  1129. bool "R4300"
  1130. depends on SYS_HAS_CPU_R4300
  1131. select CPU_SUPPORTS_32BIT_KERNEL
  1132. select CPU_SUPPORTS_64BIT_KERNEL
  1133. help
  1134. MIPS Technologies R4300-series processors.
  1135. config CPU_R4X00
  1136. bool "R4x00"
  1137. depends on SYS_HAS_CPU_R4X00
  1138. select CPU_SUPPORTS_32BIT_KERNEL
  1139. select CPU_SUPPORTS_64BIT_KERNEL
  1140. help
  1141. MIPS Technologies R4000-series processors other than 4300, including
  1142. the R4000, R4400, R4600, and 4700.
  1143. config CPU_TX49XX
  1144. bool "R49XX"
  1145. depends on SYS_HAS_CPU_TX49XX
  1146. select CPU_HAS_PREFETCH
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_64BIT_KERNEL
  1149. config CPU_R5000
  1150. bool "R5000"
  1151. depends on SYS_HAS_CPU_R5000
  1152. select CPU_SUPPORTS_32BIT_KERNEL
  1153. select CPU_SUPPORTS_64BIT_KERNEL
  1154. help
  1155. MIPS Technologies R5000-series processors other than the Nevada.
  1156. config CPU_R5432
  1157. bool "R5432"
  1158. depends on SYS_HAS_CPU_R5432
  1159. select CPU_SUPPORTS_32BIT_KERNEL
  1160. select CPU_SUPPORTS_64BIT_KERNEL
  1161. config CPU_R5500
  1162. bool "R5500"
  1163. depends on SYS_HAS_CPU_R5500
  1164. select CPU_SUPPORTS_32BIT_KERNEL
  1165. select CPU_SUPPORTS_64BIT_KERNEL
  1166. select CPU_SUPPORTS_HUGEPAGES
  1167. help
  1168. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1169. instruction set.
  1170. config CPU_R6000
  1171. bool "R6000"
  1172. depends on EXPERIMENTAL
  1173. depends on SYS_HAS_CPU_R6000
  1174. select CPU_SUPPORTS_32BIT_KERNEL
  1175. help
  1176. MIPS Technologies R6000 and R6000A series processors. Note these
  1177. processors are extremely rare and the support for them is incomplete.
  1178. config CPU_NEVADA
  1179. bool "RM52xx"
  1180. depends on SYS_HAS_CPU_NEVADA
  1181. select CPU_SUPPORTS_32BIT_KERNEL
  1182. select CPU_SUPPORTS_64BIT_KERNEL
  1183. help
  1184. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1185. config CPU_R8000
  1186. bool "R8000"
  1187. depends on EXPERIMENTAL
  1188. depends on SYS_HAS_CPU_R8000
  1189. select CPU_HAS_PREFETCH
  1190. select CPU_SUPPORTS_64BIT_KERNEL
  1191. help
  1192. MIPS Technologies R8000 processors. Note these processors are
  1193. uncommon and the support for them is incomplete.
  1194. config CPU_R10000
  1195. bool "R10000"
  1196. depends on SYS_HAS_CPU_R10000
  1197. select CPU_HAS_PREFETCH
  1198. select CPU_SUPPORTS_32BIT_KERNEL
  1199. select CPU_SUPPORTS_64BIT_KERNEL
  1200. select CPU_SUPPORTS_HIGHMEM
  1201. help
  1202. MIPS Technologies R10000-series processors.
  1203. config CPU_RM7000
  1204. bool "RM7000"
  1205. depends on SYS_HAS_CPU_RM7000
  1206. select CPU_HAS_PREFETCH
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. select CPU_SUPPORTS_HIGHMEM
  1210. config CPU_RM9000
  1211. bool "RM9000"
  1212. depends on SYS_HAS_CPU_RM9000
  1213. select CPU_HAS_PREFETCH
  1214. select CPU_SUPPORTS_32BIT_KERNEL
  1215. select CPU_SUPPORTS_64BIT_KERNEL
  1216. select CPU_SUPPORTS_HIGHMEM
  1217. select WEAK_ORDERING
  1218. config CPU_SB1
  1219. bool "SB1"
  1220. depends on SYS_HAS_CPU_SB1
  1221. select CPU_SUPPORTS_32BIT_KERNEL
  1222. select CPU_SUPPORTS_64BIT_KERNEL
  1223. select CPU_SUPPORTS_HIGHMEM
  1224. select WEAK_ORDERING
  1225. config CPU_CAVIUM_OCTEON
  1226. bool "Cavium Octeon processor"
  1227. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1228. select CPU_HAS_PREFETCH
  1229. select CPU_SUPPORTS_64BIT_KERNEL
  1230. select SYS_SUPPORTS_SMP
  1231. select NR_CPUS_DEFAULT_16
  1232. select WEAK_ORDERING
  1233. select CPU_SUPPORTS_HIGHMEM
  1234. select CPU_SUPPORTS_HUGEPAGES
  1235. help
  1236. The Cavium Octeon processor is a highly integrated chip containing
  1237. many ethernet hardware widgets for networking tasks. The processor
  1238. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1239. Full details can be found at http://www.caviumnetworks.com.
  1240. config CPU_BMIPS3300
  1241. bool "BMIPS3300"
  1242. depends on SYS_HAS_CPU_BMIPS3300
  1243. select DMA_NONCOHERENT
  1244. select IRQ_CPU
  1245. select SWAP_IO_SPACE
  1246. select SYS_SUPPORTS_32BIT_KERNEL
  1247. select WEAK_ORDERING
  1248. help
  1249. Broadcom BMIPS3300 processors.
  1250. config CPU_BMIPS4350
  1251. bool "BMIPS4350"
  1252. depends on SYS_HAS_CPU_BMIPS4350
  1253. select CPU_SUPPORTS_32BIT_KERNEL
  1254. select DMA_NONCOHERENT
  1255. select IRQ_CPU
  1256. select SWAP_IO_SPACE
  1257. select SYS_SUPPORTS_SMP
  1258. select SYS_SUPPORTS_HOTPLUG_CPU
  1259. select WEAK_ORDERING
  1260. help
  1261. Broadcom BMIPS4350 ("VIPER") processors.
  1262. config CPU_BMIPS4380
  1263. bool "BMIPS4380"
  1264. depends on SYS_HAS_CPU_BMIPS4380
  1265. select CPU_SUPPORTS_32BIT_KERNEL
  1266. select DMA_NONCOHERENT
  1267. select IRQ_CPU
  1268. select SWAP_IO_SPACE
  1269. select SYS_SUPPORTS_SMP
  1270. select SYS_SUPPORTS_HOTPLUG_CPU
  1271. select WEAK_ORDERING
  1272. help
  1273. Broadcom BMIPS4380 processors.
  1274. config CPU_BMIPS5000
  1275. bool "BMIPS5000"
  1276. depends on SYS_HAS_CPU_BMIPS5000
  1277. select CPU_SUPPORTS_32BIT_KERNEL
  1278. select CPU_SUPPORTS_HIGHMEM
  1279. select DMA_NONCOHERENT
  1280. select IRQ_CPU
  1281. select SWAP_IO_SPACE
  1282. select SYS_SUPPORTS_SMP
  1283. select SYS_SUPPORTS_HOTPLUG_CPU
  1284. select WEAK_ORDERING
  1285. help
  1286. Broadcom BMIPS5000 processors.
  1287. config CPU_XLR
  1288. bool "Netlogic XLR SoC"
  1289. depends on SYS_HAS_CPU_XLR
  1290. select CPU_SUPPORTS_32BIT_KERNEL
  1291. select CPU_SUPPORTS_64BIT_KERNEL
  1292. select CPU_SUPPORTS_HIGHMEM
  1293. select WEAK_ORDERING
  1294. select WEAK_REORDERING_BEYOND_LLSC
  1295. select CPU_SUPPORTS_HUGEPAGES
  1296. help
  1297. Netlogic Microsystems XLR/XLS processors.
  1298. endchoice
  1299. if CPU_LOONGSON2F
  1300. config CPU_NOP_WORKAROUNDS
  1301. bool
  1302. config CPU_JUMP_WORKAROUNDS
  1303. bool
  1304. config CPU_LOONGSON2F_WORKAROUNDS
  1305. bool "Loongson 2F Workarounds"
  1306. default y
  1307. select CPU_NOP_WORKAROUNDS
  1308. select CPU_JUMP_WORKAROUNDS
  1309. help
  1310. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1311. require workarounds. Without workarounds the system may hang
  1312. unexpectedly. For more information please refer to the gas
  1313. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1314. Loongson 2F03 and later have fixed these issues and no workarounds
  1315. are needed. The workarounds have no significant side effect on them
  1316. but may decrease the performance of the system so this option should
  1317. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1318. systems.
  1319. If unsure, please say Y.
  1320. endif # CPU_LOONGSON2F
  1321. config SYS_SUPPORTS_ZBOOT
  1322. bool
  1323. select HAVE_KERNEL_GZIP
  1324. select HAVE_KERNEL_BZIP2
  1325. select HAVE_KERNEL_LZMA
  1326. select HAVE_KERNEL_LZO
  1327. config SYS_SUPPORTS_ZBOOT_UART16550
  1328. bool
  1329. select SYS_SUPPORTS_ZBOOT
  1330. config CPU_LOONGSON2
  1331. bool
  1332. select CPU_SUPPORTS_32BIT_KERNEL
  1333. select CPU_SUPPORTS_64BIT_KERNEL
  1334. select CPU_SUPPORTS_HIGHMEM
  1335. config SYS_HAS_CPU_LOONGSON2E
  1336. bool
  1337. config SYS_HAS_CPU_LOONGSON2F
  1338. bool
  1339. select CPU_SUPPORTS_CPUFREQ
  1340. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1341. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1342. config SYS_HAS_CPU_MIPS32_R1
  1343. bool
  1344. config SYS_HAS_CPU_MIPS32_R2
  1345. bool
  1346. config SYS_HAS_CPU_MIPS64_R1
  1347. bool
  1348. config SYS_HAS_CPU_MIPS64_R2
  1349. bool
  1350. config SYS_HAS_CPU_R3000
  1351. bool
  1352. config SYS_HAS_CPU_TX39XX
  1353. bool
  1354. config SYS_HAS_CPU_VR41XX
  1355. bool
  1356. config SYS_HAS_CPU_R4300
  1357. bool
  1358. config SYS_HAS_CPU_R4X00
  1359. bool
  1360. config SYS_HAS_CPU_TX49XX
  1361. bool
  1362. config SYS_HAS_CPU_R5000
  1363. bool
  1364. config SYS_HAS_CPU_R5432
  1365. bool
  1366. config SYS_HAS_CPU_R5500
  1367. bool
  1368. config SYS_HAS_CPU_R6000
  1369. bool
  1370. config SYS_HAS_CPU_NEVADA
  1371. bool
  1372. config SYS_HAS_CPU_R8000
  1373. bool
  1374. config SYS_HAS_CPU_R10000
  1375. bool
  1376. config SYS_HAS_CPU_RM7000
  1377. bool
  1378. config SYS_HAS_CPU_RM9000
  1379. bool
  1380. config SYS_HAS_CPU_SB1
  1381. bool
  1382. config SYS_HAS_CPU_CAVIUM_OCTEON
  1383. bool
  1384. config SYS_HAS_CPU_BMIPS3300
  1385. bool
  1386. config SYS_HAS_CPU_BMIPS4350
  1387. bool
  1388. config SYS_HAS_CPU_BMIPS4380
  1389. bool
  1390. config SYS_HAS_CPU_BMIPS5000
  1391. bool
  1392. config SYS_HAS_CPU_XLR
  1393. bool
  1394. #
  1395. # CPU may reorder R->R, R->W, W->R, W->W
  1396. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1397. #
  1398. config WEAK_ORDERING
  1399. bool
  1400. #
  1401. # CPU may reorder reads and writes beyond LL/SC
  1402. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1403. #
  1404. config WEAK_REORDERING_BEYOND_LLSC
  1405. bool
  1406. endmenu
  1407. #
  1408. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1409. #
  1410. config CPU_MIPS32
  1411. bool
  1412. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1413. config CPU_MIPS64
  1414. bool
  1415. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1416. #
  1417. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1418. #
  1419. config CPU_MIPSR1
  1420. bool
  1421. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1422. config CPU_MIPSR2
  1423. bool
  1424. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1425. config SYS_SUPPORTS_32BIT_KERNEL
  1426. bool
  1427. config SYS_SUPPORTS_64BIT_KERNEL
  1428. bool
  1429. config CPU_SUPPORTS_32BIT_KERNEL
  1430. bool
  1431. config CPU_SUPPORTS_64BIT_KERNEL
  1432. bool
  1433. config CPU_SUPPORTS_CPUFREQ
  1434. bool
  1435. config CPU_SUPPORTS_ADDRWINCFG
  1436. bool
  1437. config CPU_SUPPORTS_HUGEPAGES
  1438. bool
  1439. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1440. bool
  1441. config MIPS_PGD_C0_CONTEXT
  1442. bool
  1443. default y if 64BIT && CPU_MIPSR2
  1444. #
  1445. # Set to y for ptrace access to watch registers.
  1446. #
  1447. config HARDWARE_WATCHPOINTS
  1448. bool
  1449. default y if CPU_MIPSR1 || CPU_MIPSR2
  1450. menu "Kernel type"
  1451. choice
  1452. prompt "Kernel code model"
  1453. help
  1454. You should only select this option if you have a workload that
  1455. actually benefits from 64-bit processing or if your machine has
  1456. large memory. You will only be presented a single option in this
  1457. menu if your system does not support both 32-bit and 64-bit kernels.
  1458. config 32BIT
  1459. bool "32-bit kernel"
  1460. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1461. select TRAD_SIGNALS
  1462. help
  1463. Select this option if you want to build a 32-bit kernel.
  1464. config 64BIT
  1465. bool "64-bit kernel"
  1466. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1467. select HAVE_SYSCALL_WRAPPERS
  1468. help
  1469. Select this option if you want to build a 64-bit kernel.
  1470. endchoice
  1471. choice
  1472. prompt "Kernel page size"
  1473. default PAGE_SIZE_4KB
  1474. config PAGE_SIZE_4KB
  1475. bool "4kB"
  1476. depends on !CPU_LOONGSON2
  1477. help
  1478. This option select the standard 4kB Linux page size. On some
  1479. R3000-family processors this is the only available page size. Using
  1480. 4kB page size will minimize memory consumption and is therefore
  1481. recommended for low memory systems.
  1482. config PAGE_SIZE_8KB
  1483. bool "8kB"
  1484. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1485. help
  1486. Using 8kB page size will result in higher performance kernel at
  1487. the price of higher memory consumption. This option is available
  1488. only on R8000 and cnMIPS processors. Note that you will need a
  1489. suitable Linux distribution to support this.
  1490. config PAGE_SIZE_16KB
  1491. bool "16kB"
  1492. depends on !CPU_R3000 && !CPU_TX39XX
  1493. help
  1494. Using 16kB page size will result in higher performance kernel at
  1495. the price of higher memory consumption. This option is available on
  1496. all non-R3000 family processors. Note that you will need a suitable
  1497. Linux distribution to support this.
  1498. config PAGE_SIZE_32KB
  1499. bool "32kB"
  1500. depends on CPU_CAVIUM_OCTEON
  1501. help
  1502. Using 32kB page size will result in higher performance kernel at
  1503. the price of higher memory consumption. This option is available
  1504. only on cnMIPS cores. Note that you will need a suitable Linux
  1505. distribution to support this.
  1506. config PAGE_SIZE_64KB
  1507. bool "64kB"
  1508. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1509. help
  1510. Using 64kB page size will result in higher performance kernel at
  1511. the price of higher memory consumption. This option is available on
  1512. all non-R3000 family processor. Not that at the time of this
  1513. writing this option is still high experimental.
  1514. endchoice
  1515. config FORCE_MAX_ZONEORDER
  1516. int "Maximum zone order"
  1517. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1518. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1519. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1520. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1521. range 11 64
  1522. default "11"
  1523. help
  1524. The kernel memory allocator divides physically contiguous memory
  1525. blocks into "zones", where each zone is a power of two number of
  1526. pages. This option selects the largest power of two that the kernel
  1527. keeps in the memory allocator. If you need to allocate very large
  1528. blocks of physically contiguous memory, then you may need to
  1529. increase this value.
  1530. This config option is actually maximum order plus one. For example,
  1531. a value of 11 means that the largest free memory block is 2^10 pages.
  1532. The page size is not necessarily 4KB. Keep this in mind
  1533. when choosing a value for this option.
  1534. config BOARD_SCACHE
  1535. bool
  1536. config IP22_CPU_SCACHE
  1537. bool
  1538. select BOARD_SCACHE
  1539. #
  1540. # Support for a MIPS32 / MIPS64 style S-caches
  1541. #
  1542. config MIPS_CPU_SCACHE
  1543. bool
  1544. select BOARD_SCACHE
  1545. config R5000_CPU_SCACHE
  1546. bool
  1547. select BOARD_SCACHE
  1548. config RM7000_CPU_SCACHE
  1549. bool
  1550. select BOARD_SCACHE
  1551. config SIBYTE_DMA_PAGEOPS
  1552. bool "Use DMA to clear/copy pages"
  1553. depends on CPU_SB1
  1554. help
  1555. Instead of using the CPU to zero and copy pages, use a Data Mover
  1556. channel. These DMA channels are otherwise unused by the standard
  1557. SiByte Linux port. Seems to give a small performance benefit.
  1558. config CPU_HAS_PREFETCH
  1559. bool
  1560. choice
  1561. prompt "MIPS MT options"
  1562. config MIPS_MT_DISABLED
  1563. bool "Disable multithreading support."
  1564. help
  1565. Use this option if your workload can't take advantage of
  1566. MIPS hardware multithreading support. On systems that don't have
  1567. the option of an MT-enabled processor this option will be the only
  1568. option in this menu.
  1569. config MIPS_MT_SMP
  1570. bool "Use 1 TC on each available VPE for SMP"
  1571. depends on SYS_SUPPORTS_MULTITHREADING
  1572. select CPU_MIPSR2_IRQ_VI
  1573. select CPU_MIPSR2_IRQ_EI
  1574. select MIPS_MT
  1575. select NR_CPUS_DEFAULT_2
  1576. select SMP
  1577. select SYS_SUPPORTS_SCHED_SMT if SMP
  1578. select SYS_SUPPORTS_SMP
  1579. select SMP_UP
  1580. help
  1581. This is a kernel model which is known a VSMP but lately has been
  1582. marketesed into SMVP.
  1583. Virtual SMP uses the processor's VPEs to implement virtual
  1584. processors. In currently available configuration of the 34K processor
  1585. this allows for a dual processor. Both processors will share the same
  1586. primary caches; each will obtain the half of the TLB for it's own
  1587. exclusive use. For a layman this model can be described as similar to
  1588. what Intel calls Hyperthreading.
  1589. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1590. config MIPS_MT_SMTC
  1591. bool "SMTC: Use all TCs on all VPEs for SMP"
  1592. depends on CPU_MIPS32_R2
  1593. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1594. depends on SYS_SUPPORTS_MULTITHREADING
  1595. select CPU_MIPSR2_IRQ_VI
  1596. select CPU_MIPSR2_IRQ_EI
  1597. select MIPS_MT
  1598. select NR_CPUS_DEFAULT_8
  1599. select SMP
  1600. select SYS_SUPPORTS_SMP
  1601. select SMP_UP
  1602. help
  1603. This is a kernel model which is known a SMTC or lately has been
  1604. marketesed into SMVP.
  1605. is presenting the available TC's of the core as processors to Linux.
  1606. On currently available 34K processors this means a Linux system will
  1607. see up to 5 processors. The implementation of the SMTC kernel differs
  1608. significantly from VSMP and cannot efficiently coexist in the same
  1609. kernel binary so the choice between VSMP and SMTC is a compile time
  1610. decision.
  1611. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1612. endchoice
  1613. config MIPS_MT
  1614. bool
  1615. config SCHED_SMT
  1616. bool "SMT (multithreading) scheduler support"
  1617. depends on SYS_SUPPORTS_SCHED_SMT
  1618. default n
  1619. help
  1620. SMT scheduler support improves the CPU scheduler's decision making
  1621. when dealing with MIPS MT enabled cores at a cost of slightly
  1622. increased overhead in some places. If unsure say N here.
  1623. config SYS_SUPPORTS_SCHED_SMT
  1624. bool
  1625. config SYS_SUPPORTS_MULTITHREADING
  1626. bool
  1627. config MIPS_MT_FPAFF
  1628. bool "Dynamic FPU affinity for FP-intensive threads"
  1629. default y
  1630. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1631. config MIPS_VPE_LOADER
  1632. bool "VPE loader support."
  1633. depends on SYS_SUPPORTS_MULTITHREADING
  1634. select CPU_MIPSR2_IRQ_VI
  1635. select CPU_MIPSR2_IRQ_EI
  1636. select MIPS_MT
  1637. help
  1638. Includes a loader for loading an elf relocatable object
  1639. onto another VPE and running it.
  1640. config MIPS_MT_SMTC_IM_BACKSTOP
  1641. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1642. depends on MIPS_MT_SMTC
  1643. default n
  1644. help
  1645. To support multiple TC microthreads acting as "CPUs" within
  1646. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1647. during interrupt handling. To support legacy drivers and interrupt
  1648. controller management code, SMTC has a "backstop" to track and
  1649. if necessary restore the interrupt mask. This has some performance
  1650. impact on interrupt service overhead.
  1651. config MIPS_MT_SMTC_IRQAFF
  1652. bool "Support IRQ affinity API"
  1653. depends on MIPS_MT_SMTC
  1654. default n
  1655. help
  1656. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1657. for SMTC Linux kernel. Requires platform support, of which
  1658. an example can be found in the MIPS kernel i8259 and Malta
  1659. platform code. Adds some overhead to interrupt dispatch, and
  1660. should be used only if you know what you are doing.
  1661. config MIPS_VPE_LOADER_TOM
  1662. bool "Load VPE program into memory hidden from linux"
  1663. depends on MIPS_VPE_LOADER
  1664. default y
  1665. help
  1666. The loader can use memory that is present but has been hidden from
  1667. Linux using the kernel command line option "mem=xxMB". It's up to
  1668. you to ensure the amount you put in the option and the space your
  1669. program requires is less or equal to the amount physically present.
  1670. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1671. config MIPS_VPE_APSP_API
  1672. bool "Enable support for AP/SP API (RTLX)"
  1673. depends on MIPS_VPE_LOADER
  1674. help
  1675. config MIPS_APSP_KSPD
  1676. bool "Enable KSPD"
  1677. depends on MIPS_VPE_APSP_API
  1678. default y
  1679. help
  1680. KSPD is a kernel daemon that accepts syscall requests from the SP
  1681. side, actions them and returns the results. It also handles the
  1682. "exit" syscall notifying other kernel modules the SP program is
  1683. exiting. You probably want to say yes here.
  1684. config MIPS_CMP
  1685. bool "MIPS CMP framework support"
  1686. depends on SYS_SUPPORTS_MIPS_CMP
  1687. select SYNC_R4K
  1688. select SYS_SUPPORTS_SMP
  1689. select SYS_SUPPORTS_SCHED_SMT if SMP
  1690. select WEAK_ORDERING
  1691. default n
  1692. help
  1693. This is a placeholder option for the GCMP work. It will need to
  1694. be handled differently...
  1695. config SB1_PASS_1_WORKAROUNDS
  1696. bool
  1697. depends on CPU_SB1_PASS_1
  1698. default y
  1699. config SB1_PASS_2_WORKAROUNDS
  1700. bool
  1701. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1702. default y
  1703. config SB1_PASS_2_1_WORKAROUNDS
  1704. bool
  1705. depends on CPU_SB1 && CPU_SB1_PASS_2
  1706. default y
  1707. config 64BIT_PHYS_ADDR
  1708. bool
  1709. config ARCH_PHYS_ADDR_T_64BIT
  1710. def_bool 64BIT_PHYS_ADDR
  1711. config CPU_HAS_SMARTMIPS
  1712. depends on SYS_SUPPORTS_SMARTMIPS
  1713. bool "Support for the SmartMIPS ASE"
  1714. help
  1715. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1716. increased security at both hardware and software level for
  1717. smartcards. Enabling this option will allow proper use of the
  1718. SmartMIPS instructions by Linux applications. However a kernel with
  1719. this option will not work on a MIPS core without SmartMIPS core. If
  1720. you don't know you probably don't have SmartMIPS and should say N
  1721. here.
  1722. config CPU_HAS_WB
  1723. bool
  1724. #
  1725. # Vectored interrupt mode is an R2 feature
  1726. #
  1727. config CPU_MIPSR2_IRQ_VI
  1728. bool
  1729. #
  1730. # Extended interrupt mode is an R2 feature
  1731. #
  1732. config CPU_MIPSR2_IRQ_EI
  1733. bool
  1734. config CPU_HAS_SYNC
  1735. bool
  1736. depends on !CPU_R3000
  1737. default y
  1738. config GENERIC_CLOCKEVENTS_BROADCAST
  1739. bool
  1740. #
  1741. # CPU non-features
  1742. #
  1743. config CPU_DADDI_WORKAROUNDS
  1744. bool
  1745. config CPU_R4000_WORKAROUNDS
  1746. bool
  1747. select CPU_R4400_WORKAROUNDS
  1748. config CPU_R4400_WORKAROUNDS
  1749. bool
  1750. #
  1751. # - Highmem only makes sense for the 32-bit kernel.
  1752. # - The current highmem code will only work properly on physically indexed
  1753. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1754. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1755. # moment we protect the user and offer the highmem option only on machines
  1756. # where it's known to be safe. This will not offer highmem on a few systems
  1757. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1758. # indexed CPUs but we're playing safe.
  1759. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1760. # know they might have memory configurations that could make use of highmem
  1761. # support.
  1762. #
  1763. config HIGHMEM
  1764. bool "High Memory Support"
  1765. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1766. config CPU_SUPPORTS_HIGHMEM
  1767. bool
  1768. config SYS_SUPPORTS_HIGHMEM
  1769. bool
  1770. config SYS_SUPPORTS_SMARTMIPS
  1771. bool
  1772. config ARCH_FLATMEM_ENABLE
  1773. def_bool y
  1774. depends on !NUMA && !CPU_LOONGSON2
  1775. config ARCH_DISCONTIGMEM_ENABLE
  1776. bool
  1777. default y if SGI_IP27
  1778. help
  1779. Say Y to support efficient handling of discontiguous physical memory,
  1780. for architectures which are either NUMA (Non-Uniform Memory Access)
  1781. or have huge holes in the physical address space for other reasons.
  1782. See <file:Documentation/vm/numa> for more.
  1783. config ARCH_POPULATES_NODE_MAP
  1784. def_bool y
  1785. config ARCH_SPARSEMEM_ENABLE
  1786. bool
  1787. select SPARSEMEM_STATIC
  1788. config NUMA
  1789. bool "NUMA Support"
  1790. depends on SYS_SUPPORTS_NUMA
  1791. help
  1792. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1793. Access). This option improves performance on systems with more
  1794. than two nodes; on two node systems it is generally better to
  1795. leave it disabled; on single node systems disable this option
  1796. disabled.
  1797. config SYS_SUPPORTS_NUMA
  1798. bool
  1799. config NODES_SHIFT
  1800. int
  1801. default "6"
  1802. depends on NEED_MULTIPLE_NODES
  1803. config HW_PERF_EVENTS
  1804. bool "Enable hardware performance counter support for perf events"
  1805. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
  1806. default y
  1807. help
  1808. Enable hardware performance counter support for perf events. If
  1809. disabled, perf events will use software events only.
  1810. source "mm/Kconfig"
  1811. config SMP
  1812. bool "Multi-Processing support"
  1813. depends on SYS_SUPPORTS_SMP
  1814. select IRQ_PER_CPU
  1815. select USE_GENERIC_SMP_HELPERS
  1816. help
  1817. This enables support for systems with more than one CPU. If you have
  1818. a system with only one CPU, like most personal computers, say N. If
  1819. you have a system with more than one CPU, say Y.
  1820. If you say N here, the kernel will run on single and multiprocessor
  1821. machines, but will use only one CPU of a multiprocessor machine. If
  1822. you say Y here, the kernel will run on many, but not all,
  1823. singleprocessor machines. On a singleprocessor machine, the kernel
  1824. will run faster if you say N here.
  1825. People using multiprocessor machines who say Y here should also say
  1826. Y to "Enhanced Real Time Clock Support", below.
  1827. See also the SMP-HOWTO available at
  1828. <http://www.tldp.org/docs.html#howto>.
  1829. If you don't know what to do here, say N.
  1830. config SMP_UP
  1831. bool
  1832. config SYS_SUPPORTS_MIPS_CMP
  1833. bool
  1834. config SYS_SUPPORTS_SMP
  1835. bool
  1836. config NR_CPUS_DEFAULT_1
  1837. bool
  1838. config NR_CPUS_DEFAULT_2
  1839. bool
  1840. config NR_CPUS_DEFAULT_4
  1841. bool
  1842. config NR_CPUS_DEFAULT_8
  1843. bool
  1844. config NR_CPUS_DEFAULT_16
  1845. bool
  1846. config NR_CPUS_DEFAULT_32
  1847. bool
  1848. config NR_CPUS_DEFAULT_64
  1849. bool
  1850. config NR_CPUS
  1851. int "Maximum number of CPUs (2-64)"
  1852. range 1 64 if NR_CPUS_DEFAULT_1
  1853. depends on SMP
  1854. default "1" if NR_CPUS_DEFAULT_1
  1855. default "2" if NR_CPUS_DEFAULT_2
  1856. default "4" if NR_CPUS_DEFAULT_4
  1857. default "8" if NR_CPUS_DEFAULT_8
  1858. default "16" if NR_CPUS_DEFAULT_16
  1859. default "32" if NR_CPUS_DEFAULT_32
  1860. default "64" if NR_CPUS_DEFAULT_64
  1861. help
  1862. This allows you to specify the maximum number of CPUs which this
  1863. kernel will support. The maximum supported value is 32 for 32-bit
  1864. kernel and 64 for 64-bit kernels; the minimum value which makes
  1865. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1866. and 2 for all others.
  1867. This is purely to save memory - each supported CPU adds
  1868. approximately eight kilobytes to the kernel image. For best
  1869. performance should round up your number of processors to the next
  1870. power of two.
  1871. source "kernel/time/Kconfig"
  1872. #
  1873. # Timer Interrupt Frequency Configuration
  1874. #
  1875. choice
  1876. prompt "Timer frequency"
  1877. default HZ_250
  1878. help
  1879. Allows the configuration of the timer frequency.
  1880. config HZ_48
  1881. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1882. config HZ_100
  1883. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1884. config HZ_128
  1885. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1886. config HZ_250
  1887. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1888. config HZ_256
  1889. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1890. config HZ_1000
  1891. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1892. config HZ_1024
  1893. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1894. endchoice
  1895. config SYS_SUPPORTS_48HZ
  1896. bool
  1897. config SYS_SUPPORTS_100HZ
  1898. bool
  1899. config SYS_SUPPORTS_128HZ
  1900. bool
  1901. config SYS_SUPPORTS_250HZ
  1902. bool
  1903. config SYS_SUPPORTS_256HZ
  1904. bool
  1905. config SYS_SUPPORTS_1000HZ
  1906. bool
  1907. config SYS_SUPPORTS_1024HZ
  1908. bool
  1909. config SYS_SUPPORTS_ARBIT_HZ
  1910. bool
  1911. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1912. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1913. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1914. !SYS_SUPPORTS_1024HZ
  1915. config HZ
  1916. int
  1917. default 48 if HZ_48
  1918. default 100 if HZ_100
  1919. default 128 if HZ_128
  1920. default 250 if HZ_250
  1921. default 256 if HZ_256
  1922. default 1000 if HZ_1000
  1923. default 1024 if HZ_1024
  1924. source "kernel/Kconfig.preempt"
  1925. config MIPS_INSANE_LARGE
  1926. bool "Support for large 64-bit configurations"
  1927. depends on CPU_R10000 && 64BIT
  1928. help
  1929. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1930. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1931. need processes of more than 1TB virtual address space, say Y here.
  1932. This will result in additional memory usage, so it is not
  1933. recommended for normal users.
  1934. config KEXEC
  1935. bool "Kexec system call (EXPERIMENTAL)"
  1936. depends on EXPERIMENTAL
  1937. help
  1938. kexec is a system call that implements the ability to shutdown your
  1939. current kernel, and to start another kernel. It is like a reboot
  1940. but it is independent of the system firmware. And like a reboot
  1941. you can start any kernel with it, not just Linux.
  1942. The name comes from the similarity to the exec system call.
  1943. It is an ongoing process to be certain the hardware in a machine
  1944. is properly shutdown, so do not be surprised if this code does not
  1945. initially work for you. It may help to enable device hotplugging
  1946. support. As of this writing the exact hardware interface is
  1947. strongly in flux, so no good recommendation can be made.
  1948. config SECCOMP
  1949. bool "Enable seccomp to safely compute untrusted bytecode"
  1950. depends on PROC_FS
  1951. default y
  1952. help
  1953. This kernel feature is useful for number crunching applications
  1954. that may need to compute untrusted bytecode during their
  1955. execution. By using pipes or other transports made available to
  1956. the process as file descriptors supporting the read/write
  1957. syscalls, it's possible to isolate those applications in
  1958. their own address space using seccomp. Once seccomp is
  1959. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1960. and the task is only allowed to execute a few safe syscalls
  1961. defined by each seccomp mode.
  1962. If unsure, say Y. Only embedded should say N here.
  1963. config USE_OF
  1964. bool "Flattened Device Tree support"
  1965. select OF
  1966. select OF_EARLY_FLATTREE
  1967. help
  1968. Include support for flattened device tree machine descriptions.
  1969. endmenu
  1970. config LOCKDEP_SUPPORT
  1971. bool
  1972. default y
  1973. config STACKTRACE_SUPPORT
  1974. bool
  1975. default y
  1976. source "init/Kconfig"
  1977. source "kernel/Kconfig.freezer"
  1978. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1979. config HW_HAS_EISA
  1980. bool
  1981. config HW_HAS_PCI
  1982. bool
  1983. config PCI
  1984. bool "Support for PCI controller"
  1985. depends on HW_HAS_PCI
  1986. select PCI_DOMAINS
  1987. help
  1988. Find out whether you have a PCI motherboard. PCI is the name of a
  1989. bus system, i.e. the way the CPU talks to the other stuff inside
  1990. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1991. say Y, otherwise N.
  1992. config PCI_DOMAINS
  1993. bool
  1994. source "drivers/pci/Kconfig"
  1995. #
  1996. # ISA support is now enabled via select. Too many systems still have the one
  1997. # or other ISA chip on the board that users don't know about so don't expect
  1998. # users to choose the right thing ...
  1999. #
  2000. config ISA
  2001. bool
  2002. config EISA
  2003. bool "EISA support"
  2004. depends on HW_HAS_EISA
  2005. select ISA
  2006. select GENERIC_ISA_DMA
  2007. ---help---
  2008. The Extended Industry Standard Architecture (EISA) bus was
  2009. developed as an open alternative to the IBM MicroChannel bus.
  2010. The EISA bus provided some of the features of the IBM MicroChannel
  2011. bus while maintaining backward compatibility with cards made for
  2012. the older ISA bus. The EISA bus saw limited use between 1988 and
  2013. 1995 when it was made obsolete by the PCI bus.
  2014. Say Y here if you are building a kernel for an EISA-based machine.
  2015. Otherwise, say N.
  2016. source "drivers/eisa/Kconfig"
  2017. config TC
  2018. bool "TURBOchannel support"
  2019. depends on MACH_DECSTATION
  2020. help
  2021. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2022. processors. TURBOchannel programming specifications are available
  2023. at:
  2024. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2025. and:
  2026. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2027. Linux driver support status is documented at:
  2028. <http://www.linux-mips.org/wiki/DECstation>
  2029. #config ACCESSBUS
  2030. # bool "Access.Bus support"
  2031. # depends on TC
  2032. config MMU
  2033. bool
  2034. default y
  2035. config I8253
  2036. bool
  2037. select CLKSRC_I8253
  2038. select CLKEVT_I8253
  2039. select MIPS_EXTERNAL_TIMER
  2040. config ZONE_DMA32
  2041. bool
  2042. source "drivers/pcmcia/Kconfig"
  2043. source "drivers/pci/hotplug/Kconfig"
  2044. config RAPIDIO
  2045. bool "RapidIO support"
  2046. depends on PCI
  2047. default n
  2048. help
  2049. If you say Y here, the kernel will include drivers and
  2050. infrastructure code to support RapidIO interconnect devices.
  2051. source "drivers/rapidio/Kconfig"
  2052. endmenu
  2053. menu "Executable file formats"
  2054. source "fs/Kconfig.binfmt"
  2055. config TRAD_SIGNALS
  2056. bool
  2057. config MIPS32_COMPAT
  2058. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2059. depends on 64BIT
  2060. help
  2061. Select this option if you want Linux/MIPS 32-bit binary
  2062. compatibility. Since all software available for Linux/MIPS is
  2063. currently 32-bit you should say Y here.
  2064. config COMPAT
  2065. bool
  2066. depends on MIPS32_COMPAT
  2067. default y
  2068. config SYSVIPC_COMPAT
  2069. bool
  2070. depends on COMPAT && SYSVIPC
  2071. default y
  2072. config MIPS32_O32
  2073. bool "Kernel support for o32 binaries"
  2074. depends on MIPS32_COMPAT
  2075. help
  2076. Select this option if you want to run o32 binaries. These are pure
  2077. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2078. existing binaries are in this format.
  2079. If unsure, say Y.
  2080. config MIPS32_N32
  2081. bool "Kernel support for n32 binaries"
  2082. depends on MIPS32_COMPAT
  2083. help
  2084. Select this option if you want to run n32 binaries. These are
  2085. 64-bit binaries using 32-bit quantities for addressing and certain
  2086. data that would normally be 64-bit. They are used in special
  2087. cases.
  2088. If unsure, say N.
  2089. config BINFMT_ELF32
  2090. bool
  2091. default y if MIPS32_O32 || MIPS32_N32
  2092. endmenu
  2093. menu "Power management options"
  2094. config ARCH_HIBERNATION_POSSIBLE
  2095. def_bool y
  2096. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2097. config ARCH_SUSPEND_POSSIBLE
  2098. def_bool y
  2099. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2100. source "kernel/power/Kconfig"
  2101. endmenu
  2102. source "arch/mips/kernel/cpufreq/Kconfig"
  2103. source "net/Kconfig"
  2104. source "drivers/Kconfig"
  2105. source "fs/Kconfig"
  2106. source "arch/mips/Kconfig.debug"
  2107. source "security/Kconfig"
  2108. source "crypto/Kconfig"
  2109. source "lib/Kconfig"