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 ARCH_BINFMT_ELF_RANDOMIZE_PIE
  20. select RTC_LIB if !MACH_LOONGSON
  21. select GENERIC_ATOMIC64 if !64BIT
  22. select HAVE_DMA_ATTRS
  23. select HAVE_DMA_API_DEBUG
  24. select HAVE_GENERIC_HARDIRQS
  25. select GENERIC_IRQ_PROBE
  26. select GENERIC_IRQ_SHOW
  27. select HAVE_ARCH_JUMP_LABEL
  28. select IRQ_FORCED_THREADING
  29. select HAVE_MEMBLOCK
  30. select HAVE_MEMBLOCK_NODE_MAP
  31. select ARCH_DISCARD_MEMBLOCK
  32. menu "Machine selection"
  33. config ZONE_DMA
  34. bool
  35. choice
  36. prompt "System type"
  37. default SGI_IP22
  38. config MIPS_ALCHEMY
  39. bool "Alchemy processor based machines"
  40. select 64BIT_PHYS_ADDR
  41. select CEVT_R4K_LIB
  42. select CSRC_R4K_LIB
  43. select IRQ_CPU
  44. select SYS_HAS_CPU_MIPS32_R1
  45. select SYS_SUPPORTS_32BIT_KERNEL
  46. select SYS_SUPPORTS_APM_EMULATION
  47. select GENERIC_GPIO
  48. select ARCH_WANT_OPTIONAL_GPIOLIB
  49. select SYS_SUPPORTS_ZBOOT
  50. select USB_ARCH_HAS_OHCI
  51. select USB_ARCH_HAS_EHCI
  52. config AR7
  53. bool "Texas Instruments AR7"
  54. select BOOT_ELF32
  55. select DMA_NONCOHERENT
  56. select CEVT_R4K
  57. select CSRC_R4K
  58. select IRQ_CPU
  59. select NO_EXCEPT_FILL
  60. select SWAP_IO_SPACE
  61. select SYS_HAS_CPU_MIPS32_R1
  62. select SYS_HAS_EARLY_PRINTK
  63. select SYS_SUPPORTS_32BIT_KERNEL
  64. select SYS_SUPPORTS_LITTLE_ENDIAN
  65. select SYS_SUPPORTS_ZBOOT_UART16550
  66. select ARCH_REQUIRE_GPIOLIB
  67. select VLYNQ
  68. help
  69. Support for the Texas Instruments AR7 System-on-a-Chip
  70. family: TNETD7100, 7200 and 7300.
  71. config ATH79
  72. bool "Atheros AR71XX/AR724X/AR913X based boards"
  73. select ARCH_REQUIRE_GPIOLIB
  74. select BOOT_RAW
  75. select CEVT_R4K
  76. select CSRC_R4K
  77. select DMA_NONCOHERENT
  78. select IRQ_CPU
  79. select MIPS_MACHINE
  80. select SYS_HAS_CPU_MIPS32_R2
  81. select SYS_HAS_EARLY_PRINTK
  82. select SYS_SUPPORTS_32BIT_KERNEL
  83. select SYS_SUPPORTS_BIG_ENDIAN
  84. help
  85. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  86. config BCM47XX
  87. bool "Broadcom BCM47XX based boards"
  88. select CEVT_R4K
  89. select CSRC_R4K
  90. select DMA_NONCOHERENT
  91. select HW_HAS_PCI
  92. select IRQ_CPU
  93. select SYS_SUPPORTS_32BIT_KERNEL
  94. select SYS_SUPPORTS_LITTLE_ENDIAN
  95. select GENERIC_GPIO
  96. select SYS_HAS_EARLY_PRINTK
  97. select CFE
  98. help
  99. Support for BCM47XX based boards
  100. config BCM63XX
  101. bool "Broadcom BCM63XX based boards"
  102. select CEVT_R4K
  103. select CSRC_R4K
  104. select DMA_NONCOHERENT
  105. select IRQ_CPU
  106. select SYS_HAS_CPU_MIPS32_R1
  107. select SYS_SUPPORTS_32BIT_KERNEL
  108. select SYS_SUPPORTS_BIG_ENDIAN
  109. select SYS_HAS_EARLY_PRINTK
  110. select SWAP_IO_SPACE
  111. select ARCH_REQUIRE_GPIOLIB
  112. help
  113. Support for BCM63XX based boards
  114. config MIPS_COBALT
  115. bool "Cobalt Server"
  116. select CEVT_R4K
  117. select CSRC_R4K
  118. select CEVT_GT641XX
  119. select DMA_NONCOHERENT
  120. select HW_HAS_PCI
  121. select I8253
  122. select I8259
  123. select IRQ_CPU
  124. select IRQ_GT641XX
  125. select PCI_GT64XXX_PCI0
  126. select PCI
  127. select SYS_HAS_CPU_NEVADA
  128. select SYS_HAS_EARLY_PRINTK
  129. select SYS_SUPPORTS_32BIT_KERNEL
  130. select SYS_SUPPORTS_64BIT_KERNEL
  131. select SYS_SUPPORTS_LITTLE_ENDIAN
  132. config MACH_DECSTATION
  133. bool "DECstations"
  134. select BOOT_ELF32
  135. select CEVT_DS1287
  136. select CEVT_R4K
  137. select CSRC_IOASIC
  138. select CSRC_R4K
  139. select CPU_DADDI_WORKAROUNDS if 64BIT
  140. select CPU_R4000_WORKAROUNDS if 64BIT
  141. select CPU_R4400_WORKAROUNDS if 64BIT
  142. select DMA_NONCOHERENT
  143. select NO_IOPORT
  144. select IRQ_CPU
  145. select SYS_HAS_CPU_R3000
  146. select SYS_HAS_CPU_R4X00
  147. select SYS_SUPPORTS_32BIT_KERNEL
  148. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  149. select SYS_SUPPORTS_LITTLE_ENDIAN
  150. select SYS_SUPPORTS_128HZ
  151. select SYS_SUPPORTS_256HZ
  152. select SYS_SUPPORTS_1024HZ
  153. help
  154. This enables support for DEC's MIPS based workstations. For details
  155. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  156. DECstation porting pages on <http://decstation.unix-ag.org/>.
  157. If you have one of the following DECstation Models you definitely
  158. want to choose R4xx0 for the CPU Type:
  159. DECstation 5000/50
  160. DECstation 5000/150
  161. DECstation 5000/260
  162. DECsystem 5900/260
  163. otherwise choose R3000.
  164. config MACH_JAZZ
  165. bool "Jazz family of machines"
  166. select ARC
  167. select ARC32
  168. select ARCH_MAY_HAVE_PC_FDC
  169. select CEVT_R4K
  170. select CSRC_R4K
  171. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  172. select GENERIC_ISA_DMA
  173. select HAVE_PCSPKR_PLATFORM
  174. select IRQ_CPU
  175. select I8253
  176. select I8259
  177. select ISA
  178. select SYS_HAS_CPU_R4X00
  179. select SYS_SUPPORTS_32BIT_KERNEL
  180. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  181. select SYS_SUPPORTS_100HZ
  182. help
  183. This a family of machines based on the MIPS R4030 chipset which was
  184. used by several vendors to build RISC/os and Windows NT workstations.
  185. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  186. Olivetti M700-10 workstations.
  187. config MACH_JZ4740
  188. bool "Ingenic JZ4740 based machines"
  189. select SYS_HAS_CPU_MIPS32_R1
  190. select SYS_SUPPORTS_32BIT_KERNEL
  191. select SYS_SUPPORTS_LITTLE_ENDIAN
  192. select DMA_NONCOHERENT
  193. select IRQ_CPU
  194. select GENERIC_GPIO
  195. select ARCH_REQUIRE_GPIOLIB
  196. select SYS_HAS_EARLY_PRINTK
  197. select HAVE_PWM
  198. select HAVE_CLK
  199. select GENERIC_IRQ_CHIP
  200. config LANTIQ
  201. bool "Lantiq based platforms"
  202. select DMA_NONCOHERENT
  203. select IRQ_CPU
  204. select CEVT_R4K
  205. select CSRC_R4K
  206. select SYS_HAS_CPU_MIPS32_R1
  207. select SYS_HAS_CPU_MIPS32_R2
  208. select SYS_SUPPORTS_BIG_ENDIAN
  209. select SYS_SUPPORTS_32BIT_KERNEL
  210. select SYS_SUPPORTS_MULTITHREADING
  211. select SYS_HAS_EARLY_PRINTK
  212. select ARCH_REQUIRE_GPIOLIB
  213. select SWAP_IO_SPACE
  214. select BOOT_RAW
  215. select HAVE_CLK
  216. config LASAT
  217. bool "LASAT Networks platforms"
  218. select CEVT_R4K
  219. select CSRC_R4K
  220. select DMA_NONCOHERENT
  221. select SYS_HAS_EARLY_PRINTK
  222. select HW_HAS_PCI
  223. select IRQ_CPU
  224. select PCI_GT64XXX_PCI0
  225. select MIPS_NILE4
  226. select R5000_CPU_SCACHE
  227. select SYS_HAS_CPU_R5000
  228. select SYS_SUPPORTS_32BIT_KERNEL
  229. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  230. select SYS_SUPPORTS_LITTLE_ENDIAN
  231. config MACH_LOONGSON
  232. bool "Loongson family of machines"
  233. select SYS_SUPPORTS_ZBOOT
  234. help
  235. This enables the support of Loongson family of machines.
  236. Loongson is a family of general-purpose MIPS-compatible CPUs.
  237. developed at Institute of Computing Technology (ICT),
  238. Chinese Academy of Sciences (CAS) in the People's Republic
  239. of China. The chief architect is Professor Weiwu Hu.
  240. config MIPS_MALTA
  241. bool "MIPS Malta board"
  242. select ARCH_MAY_HAVE_PC_FDC
  243. select BOOT_ELF32
  244. select BOOT_RAW
  245. select CEVT_R4K
  246. select CSRC_R4K
  247. select DMA_NONCOHERENT
  248. select GENERIC_ISA_DMA
  249. select HAVE_PCSPKR_PLATFORM
  250. select IRQ_CPU
  251. select IRQ_GIC
  252. select HW_HAS_PCI
  253. select I8253
  254. select I8259
  255. select MIPS_BOARDS_GEN
  256. select MIPS_BONITO64
  257. select MIPS_CPU_SCACHE
  258. select PCI_GT64XXX_PCI0
  259. select MIPS_MSC
  260. select SWAP_IO_SPACE
  261. select SYS_HAS_CPU_MIPS32_R1
  262. select SYS_HAS_CPU_MIPS32_R2
  263. select SYS_HAS_CPU_MIPS64_R1
  264. select SYS_HAS_CPU_NEVADA
  265. select SYS_HAS_CPU_RM7000
  266. select SYS_HAS_EARLY_PRINTK
  267. select SYS_SUPPORTS_32BIT_KERNEL
  268. select SYS_SUPPORTS_64BIT_KERNEL
  269. select SYS_SUPPORTS_BIG_ENDIAN
  270. select SYS_SUPPORTS_LITTLE_ENDIAN
  271. select SYS_SUPPORTS_MIPS_CMP
  272. select SYS_SUPPORTS_MULTITHREADING
  273. select SYS_SUPPORTS_SMARTMIPS
  274. select SYS_SUPPORTS_ZBOOT
  275. help
  276. This enables support for the MIPS Technologies Malta evaluation
  277. board.
  278. config MIPS_SIM
  279. bool 'MIPS simulator (MIPSsim)'
  280. select CEVT_R4K
  281. select CSRC_R4K
  282. select DMA_NONCOHERENT
  283. select SYS_HAS_EARLY_PRINTK
  284. select IRQ_CPU
  285. select BOOT_RAW
  286. select SYS_HAS_CPU_MIPS32_R1
  287. select SYS_HAS_CPU_MIPS32_R2
  288. select SYS_HAS_EARLY_PRINTK
  289. select SYS_SUPPORTS_32BIT_KERNEL
  290. select SYS_SUPPORTS_BIG_ENDIAN
  291. select SYS_SUPPORTS_MULTITHREADING
  292. select SYS_SUPPORTS_LITTLE_ENDIAN
  293. help
  294. This option enables support for MIPS Technologies MIPSsim software
  295. emulator.
  296. config NEC_MARKEINS
  297. bool "NEC EMMA2RH Mark-eins board"
  298. select SOC_EMMA2RH
  299. select HW_HAS_PCI
  300. help
  301. This enables support for the NEC Electronics Mark-eins boards.
  302. config MACH_VR41XX
  303. bool "NEC VR4100 series based machines"
  304. select CEVT_R4K
  305. select CSRC_R4K
  306. select SYS_HAS_CPU_VR41XX
  307. select ARCH_REQUIRE_GPIOLIB
  308. config NXP_STB220
  309. bool "NXP STB220 board"
  310. select SOC_PNX833X
  311. help
  312. Support for NXP Semiconductors STB220 Development Board.
  313. config NXP_STB225
  314. bool "NXP 225 board"
  315. select SOC_PNX833X
  316. select SOC_PNX8335
  317. help
  318. Support for NXP Semiconductors STB225 Development Board.
  319. config PNX8550_JBS
  320. bool "NXP PNX8550 based JBS board"
  321. select PNX8550
  322. select SYS_SUPPORTS_LITTLE_ENDIAN
  323. config PNX8550_STB810
  324. bool "NXP PNX8550 based STB810 board"
  325. select PNX8550
  326. select SYS_SUPPORTS_LITTLE_ENDIAN
  327. config PMC_MSP
  328. bool "PMC-Sierra MSP chipsets"
  329. depends on EXPERIMENTAL
  330. select CEVT_R4K
  331. select CSRC_R4K
  332. select DMA_NONCOHERENT
  333. select SWAP_IO_SPACE
  334. select NO_EXCEPT_FILL
  335. select BOOT_RAW
  336. select SYS_HAS_CPU_MIPS32_R1
  337. select SYS_HAS_CPU_MIPS32_R2
  338. select SYS_SUPPORTS_32BIT_KERNEL
  339. select SYS_SUPPORTS_BIG_ENDIAN
  340. select IRQ_CPU
  341. select SERIAL_8250
  342. select SERIAL_8250_CONSOLE
  343. help
  344. This adds support for the PMC-Sierra family of Multi-Service
  345. Processor System-On-A-Chips. These parts include a number
  346. of integrated peripherals, interfaces and DSPs in addition to
  347. a variety of MIPS cores.
  348. config PMC_YOSEMITE
  349. bool "PMC-Sierra Yosemite eval board"
  350. select CEVT_R4K
  351. select CSRC_R4K
  352. select DMA_COHERENT
  353. select HW_HAS_PCI
  354. select IRQ_CPU
  355. select IRQ_CPU_RM7K
  356. select IRQ_CPU_RM9K
  357. select SWAP_IO_SPACE
  358. select SYS_HAS_CPU_RM9000
  359. select SYS_HAS_EARLY_PRINTK
  360. select SYS_SUPPORTS_32BIT_KERNEL
  361. select SYS_SUPPORTS_64BIT_KERNEL
  362. select SYS_SUPPORTS_BIG_ENDIAN
  363. select SYS_SUPPORTS_HIGHMEM
  364. select SYS_SUPPORTS_SMP
  365. help
  366. Yosemite is an evaluation board for the RM9000x2 processor
  367. manufactured by PMC-Sierra.
  368. config POWERTV
  369. bool "Cisco PowerTV"
  370. select BOOT_ELF32
  371. select CEVT_R4K
  372. select CPU_MIPSR2_IRQ_VI
  373. select CPU_MIPSR2_IRQ_EI
  374. select CSRC_POWERTV
  375. select DMA_NONCOHERENT
  376. select HW_HAS_PCI
  377. select SYS_HAS_EARLY_PRINTK
  378. select SYS_HAS_CPU_MIPS32_R2
  379. select SYS_SUPPORTS_32BIT_KERNEL
  380. select SYS_SUPPORTS_BIG_ENDIAN
  381. select SYS_SUPPORTS_HIGHMEM
  382. select USB_OHCI_LITTLE_ENDIAN
  383. help
  384. This enables support for the Cisco PowerTV Platform.
  385. config SGI_IP22
  386. bool "SGI IP22 (Indy/Indigo2)"
  387. select ARC
  388. select ARC32
  389. select BOOT_ELF32
  390. select CEVT_R4K
  391. select CSRC_R4K
  392. select DEFAULT_SGI_PARTITION
  393. select DMA_NONCOHERENT
  394. select HW_HAS_EISA
  395. select I8253
  396. select I8259
  397. select IP22_CPU_SCACHE
  398. select IRQ_CPU
  399. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  400. select SGI_HAS_I8042
  401. select SGI_HAS_INDYDOG
  402. select SGI_HAS_HAL2
  403. select SGI_HAS_SEEQ
  404. select SGI_HAS_WD93
  405. select SGI_HAS_ZILOG
  406. select SWAP_IO_SPACE
  407. select SYS_HAS_CPU_R4X00
  408. select SYS_HAS_CPU_R5000
  409. #
  410. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  411. # memory during early boot on some machines.
  412. #
  413. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  414. # for a more details discussion
  415. #
  416. # select SYS_HAS_EARLY_PRINTK
  417. select SYS_SUPPORTS_32BIT_KERNEL
  418. select SYS_SUPPORTS_64BIT_KERNEL
  419. select SYS_SUPPORTS_BIG_ENDIAN
  420. help
  421. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  422. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  423. that runs on these, say Y here.
  424. config SGI_IP27
  425. bool "SGI IP27 (Origin200/2000)"
  426. select ARC
  427. select ARC64
  428. select BOOT_ELF64
  429. select DEFAULT_SGI_PARTITION
  430. select DMA_COHERENT
  431. select SYS_HAS_EARLY_PRINTK
  432. select HW_HAS_PCI
  433. select NR_CPUS_DEFAULT_64
  434. select SYS_HAS_CPU_R10000
  435. select SYS_SUPPORTS_64BIT_KERNEL
  436. select SYS_SUPPORTS_BIG_ENDIAN
  437. select SYS_SUPPORTS_NUMA
  438. select SYS_SUPPORTS_SMP
  439. help
  440. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  441. workstations. To compile a Linux kernel that runs on these, say Y
  442. here.
  443. config SGI_IP28
  444. bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
  445. depends on EXPERIMENTAL
  446. select ARC
  447. select ARC64
  448. select BOOT_ELF64
  449. select CEVT_R4K
  450. select CSRC_R4K
  451. select DEFAULT_SGI_PARTITION
  452. select DMA_NONCOHERENT
  453. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  454. select IRQ_CPU
  455. select HW_HAS_EISA
  456. select I8253
  457. select I8259
  458. select SGI_HAS_I8042
  459. select SGI_HAS_INDYDOG
  460. select SGI_HAS_HAL2
  461. select SGI_HAS_SEEQ
  462. select SGI_HAS_WD93
  463. select SGI_HAS_ZILOG
  464. select SWAP_IO_SPACE
  465. select SYS_HAS_CPU_R10000
  466. #
  467. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  468. # memory during early boot on some machines.
  469. #
  470. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  471. # for a more details discussion
  472. #
  473. # select SYS_HAS_EARLY_PRINTK
  474. select SYS_SUPPORTS_64BIT_KERNEL
  475. select SYS_SUPPORTS_BIG_ENDIAN
  476. help
  477. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  478. kernel that runs on these, say Y here.
  479. config SGI_IP32
  480. bool "SGI IP32 (O2)"
  481. select ARC
  482. select ARC32
  483. select BOOT_ELF32
  484. select CEVT_R4K
  485. select CSRC_R4K
  486. select DMA_NONCOHERENT
  487. select HW_HAS_PCI
  488. select IRQ_CPU
  489. select R5000_CPU_SCACHE
  490. select RM7000_CPU_SCACHE
  491. select SYS_HAS_CPU_R5000
  492. select SYS_HAS_CPU_R10000 if BROKEN
  493. select SYS_HAS_CPU_RM7000
  494. select SYS_HAS_CPU_NEVADA
  495. select SYS_SUPPORTS_64BIT_KERNEL
  496. select SYS_SUPPORTS_BIG_ENDIAN
  497. help
  498. If you want this kernel to run on SGI O2 workstation, say Y here.
  499. config SIBYTE_CRHINE
  500. bool "Sibyte BCM91120C-CRhine"
  501. depends on EXPERIMENTAL
  502. select BOOT_ELF32
  503. select DMA_COHERENT
  504. select SIBYTE_BCM1120
  505. select SWAP_IO_SPACE
  506. select SYS_HAS_CPU_SB1
  507. select SYS_SUPPORTS_BIG_ENDIAN
  508. select SYS_SUPPORTS_LITTLE_ENDIAN
  509. config SIBYTE_CARMEL
  510. bool "Sibyte BCM91120x-Carmel"
  511. depends on EXPERIMENTAL
  512. select BOOT_ELF32
  513. select DMA_COHERENT
  514. select SIBYTE_BCM1120
  515. select SWAP_IO_SPACE
  516. select SYS_HAS_CPU_SB1
  517. select SYS_SUPPORTS_BIG_ENDIAN
  518. select SYS_SUPPORTS_LITTLE_ENDIAN
  519. config SIBYTE_CRHONE
  520. bool "Sibyte BCM91125C-CRhone"
  521. depends on EXPERIMENTAL
  522. select BOOT_ELF32
  523. select DMA_COHERENT
  524. select SIBYTE_BCM1125
  525. select SWAP_IO_SPACE
  526. select SYS_HAS_CPU_SB1
  527. select SYS_SUPPORTS_BIG_ENDIAN
  528. select SYS_SUPPORTS_HIGHMEM
  529. select SYS_SUPPORTS_LITTLE_ENDIAN
  530. config SIBYTE_RHONE
  531. bool "Sibyte BCM91125E-Rhone"
  532. depends on EXPERIMENTAL
  533. select BOOT_ELF32
  534. select DMA_COHERENT
  535. select SIBYTE_BCM1125H
  536. select SWAP_IO_SPACE
  537. select SYS_HAS_CPU_SB1
  538. select SYS_SUPPORTS_BIG_ENDIAN
  539. select SYS_SUPPORTS_LITTLE_ENDIAN
  540. config SIBYTE_SWARM
  541. bool "Sibyte BCM91250A-SWARM"
  542. select BOOT_ELF32
  543. select DMA_COHERENT
  544. select HAVE_PATA_PLATFORM
  545. select NR_CPUS_DEFAULT_2
  546. select SIBYTE_SB1250
  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. select ZONE_DMA32 if 64BIT
  553. config SIBYTE_LITTLESUR
  554. bool "Sibyte BCM91250C2-LittleSur"
  555. depends on EXPERIMENTAL
  556. select BOOT_ELF32
  557. select DMA_COHERENT
  558. select HAVE_PATA_PLATFORM
  559. select NR_CPUS_DEFAULT_2
  560. select SIBYTE_SB1250
  561. select SWAP_IO_SPACE
  562. select SYS_HAS_CPU_SB1
  563. select SYS_SUPPORTS_BIG_ENDIAN
  564. select SYS_SUPPORTS_HIGHMEM
  565. select SYS_SUPPORTS_LITTLE_ENDIAN
  566. config SIBYTE_SENTOSA
  567. bool "Sibyte BCM91250E-Sentosa"
  568. depends on EXPERIMENTAL
  569. select BOOT_ELF32
  570. select DMA_COHERENT
  571. select NR_CPUS_DEFAULT_2
  572. select SIBYTE_SB1250
  573. select SWAP_IO_SPACE
  574. select SYS_HAS_CPU_SB1
  575. select SYS_SUPPORTS_BIG_ENDIAN
  576. select SYS_SUPPORTS_LITTLE_ENDIAN
  577. config SIBYTE_BIGSUR
  578. bool "Sibyte BCM91480B-BigSur"
  579. select BOOT_ELF32
  580. select DMA_COHERENT
  581. select NR_CPUS_DEFAULT_4
  582. select SIBYTE_BCM1x80
  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. select ZONE_DMA32 if 64BIT
  589. config SNI_RM
  590. bool "SNI RM200/300/400"
  591. select ARC if CPU_LITTLE_ENDIAN
  592. select ARC32 if CPU_LITTLE_ENDIAN
  593. select SNIPROM if CPU_BIG_ENDIAN
  594. select ARCH_MAY_HAVE_PC_FDC
  595. select BOOT_ELF32
  596. select CEVT_R4K
  597. select CSRC_R4K
  598. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  599. select DMA_NONCOHERENT
  600. select GENERIC_ISA_DMA
  601. select HAVE_PCSPKR_PLATFORM
  602. select HW_HAS_EISA
  603. select HW_HAS_PCI
  604. select IRQ_CPU
  605. select I8253
  606. select I8259
  607. select ISA
  608. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  609. select SYS_HAS_CPU_R4X00
  610. select SYS_HAS_CPU_R5000
  611. select SYS_HAS_CPU_R10000
  612. select R5000_CPU_SCACHE
  613. select SYS_HAS_EARLY_PRINTK
  614. select SYS_SUPPORTS_32BIT_KERNEL
  615. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  616. select SYS_SUPPORTS_BIG_ENDIAN
  617. select SYS_SUPPORTS_HIGHMEM
  618. select SYS_SUPPORTS_LITTLE_ENDIAN
  619. help
  620. The SNI RM200/300/400 are MIPS-based machines manufactured by
  621. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  622. Technology and now in turn merged with Fujitsu. Say Y here to
  623. support this machine type.
  624. config MACH_TX39XX
  625. bool "Toshiba TX39 series based machines"
  626. config MACH_TX49XX
  627. bool "Toshiba TX49 series based machines"
  628. config MIKROTIK_RB532
  629. bool "Mikrotik RB532 boards"
  630. select CEVT_R4K
  631. select CSRC_R4K
  632. select DMA_NONCOHERENT
  633. select HW_HAS_PCI
  634. select IRQ_CPU
  635. select SYS_HAS_CPU_MIPS32_R1
  636. select SYS_SUPPORTS_32BIT_KERNEL
  637. select SYS_SUPPORTS_LITTLE_ENDIAN
  638. select SWAP_IO_SPACE
  639. select BOOT_RAW
  640. select ARCH_REQUIRE_GPIOLIB
  641. help
  642. Support the Mikrotik(tm) RouterBoard 532 series,
  643. based on the IDT RC32434 SoC.
  644. config WR_PPMC
  645. bool "Wind River PPMC board"
  646. select CEVT_R4K
  647. select CSRC_R4K
  648. select IRQ_CPU
  649. select BOOT_ELF32
  650. select DMA_NONCOHERENT
  651. select HW_HAS_PCI
  652. select PCI_GT64XXX_PCI0
  653. select SWAP_IO_SPACE
  654. select SYS_HAS_CPU_MIPS32_R1
  655. select SYS_HAS_CPU_MIPS32_R2
  656. select SYS_HAS_CPU_MIPS64_R1
  657. select SYS_HAS_CPU_NEVADA
  658. select SYS_HAS_CPU_RM7000
  659. select SYS_SUPPORTS_32BIT_KERNEL
  660. select SYS_SUPPORTS_64BIT_KERNEL
  661. select SYS_SUPPORTS_BIG_ENDIAN
  662. select SYS_SUPPORTS_LITTLE_ENDIAN
  663. help
  664. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  665. board, which is based on GT64120 bridge chip.
  666. config CAVIUM_OCTEON_SIMULATOR
  667. bool "Cavium Networks Octeon Simulator"
  668. select CEVT_R4K
  669. select 64BIT_PHYS_ADDR
  670. select DMA_COHERENT
  671. select SYS_SUPPORTS_64BIT_KERNEL
  672. select SYS_SUPPORTS_BIG_ENDIAN
  673. select SYS_SUPPORTS_HOTPLUG_CPU
  674. select SYS_HAS_CPU_CAVIUM_OCTEON
  675. select HOLES_IN_ZONE
  676. help
  677. The Octeon simulator is software performance model of the Cavium
  678. Octeon Processor. It supports simulating Octeon processors on x86
  679. hardware.
  680. config CAVIUM_OCTEON_REFERENCE_BOARD
  681. bool "Cavium Networks Octeon reference board"
  682. select CEVT_R4K
  683. select 64BIT_PHYS_ADDR
  684. select DMA_COHERENT
  685. select SYS_SUPPORTS_64BIT_KERNEL
  686. select SYS_SUPPORTS_BIG_ENDIAN
  687. select SYS_SUPPORTS_HOTPLUG_CPU
  688. select SYS_HAS_EARLY_PRINTK
  689. select SYS_HAS_CPU_CAVIUM_OCTEON
  690. select SWAP_IO_SPACE
  691. select HW_HAS_PCI
  692. select ARCH_SUPPORTS_MSI
  693. select ZONE_DMA32
  694. select USB_ARCH_HAS_OHCI
  695. select USB_ARCH_HAS_EHCI
  696. select HOLES_IN_ZONE
  697. help
  698. This option supports all of the Octeon reference boards from Cavium
  699. Networks. It builds a kernel that dynamically determines the Octeon
  700. CPU type and supports all known board reference implementations.
  701. Some of the supported boards are:
  702. EBT3000
  703. EBH3000
  704. EBH3100
  705. Thunder
  706. Kodama
  707. Hikari
  708. Say Y here for most Octeon reference boards.
  709. config NLM_XLR_BOARD
  710. bool "Netlogic XLR/XLS based systems"
  711. depends on EXPERIMENTAL
  712. select BOOT_ELF32
  713. select NLM_COMMON
  714. select SYS_HAS_CPU_XLR
  715. select SYS_SUPPORTS_SMP
  716. select HW_HAS_PCI
  717. select SWAP_IO_SPACE
  718. select SYS_SUPPORTS_32BIT_KERNEL
  719. select SYS_SUPPORTS_64BIT_KERNEL
  720. select 64BIT_PHYS_ADDR
  721. select SYS_SUPPORTS_BIG_ENDIAN
  722. select SYS_SUPPORTS_HIGHMEM
  723. select DMA_COHERENT
  724. select NR_CPUS_DEFAULT_32
  725. select CEVT_R4K
  726. select CSRC_R4K
  727. select IRQ_CPU
  728. select ARCH_SUPPORTS_MSI
  729. select ZONE_DMA if 64BIT
  730. select SYNC_R4K
  731. select SYS_HAS_EARLY_PRINTK
  732. help
  733. Support for systems based on Netlogic XLR and XLS processors.
  734. Say Y here if you have a XLR or XLS based board.
  735. config NLM_XLP_BOARD
  736. bool "Netlogic XLP based systems"
  737. depends on EXPERIMENTAL
  738. select BOOT_ELF32
  739. select NLM_COMMON
  740. select SYS_HAS_CPU_XLP
  741. select SYS_SUPPORTS_SMP
  742. select HW_HAS_PCI
  743. select SWAP_IO_SPACE
  744. select SYS_SUPPORTS_32BIT_KERNEL
  745. select SYS_SUPPORTS_64BIT_KERNEL
  746. select 64BIT_PHYS_ADDR
  747. select SYS_SUPPORTS_BIG_ENDIAN
  748. select SYS_SUPPORTS_LITTLE_ENDIAN
  749. select SYS_SUPPORTS_HIGHMEM
  750. select DMA_COHERENT
  751. select NR_CPUS_DEFAULT_32
  752. select CEVT_R4K
  753. select CSRC_R4K
  754. select IRQ_CPU
  755. select ZONE_DMA if 64BIT
  756. select SYNC_R4K
  757. select SYS_HAS_EARLY_PRINTK
  758. help
  759. This board is based on Netlogic XLP Processor.
  760. Say Y here if you have a XLP based board.
  761. endchoice
  762. source "arch/mips/alchemy/Kconfig"
  763. source "arch/mips/ath79/Kconfig"
  764. source "arch/mips/bcm47xx/Kconfig"
  765. source "arch/mips/bcm63xx/Kconfig"
  766. source "arch/mips/jazz/Kconfig"
  767. source "arch/mips/jz4740/Kconfig"
  768. source "arch/mips/lantiq/Kconfig"
  769. source "arch/mips/lasat/Kconfig"
  770. source "arch/mips/pmc-sierra/Kconfig"
  771. source "arch/mips/powertv/Kconfig"
  772. source "arch/mips/sgi-ip27/Kconfig"
  773. source "arch/mips/sibyte/Kconfig"
  774. source "arch/mips/txx9/Kconfig"
  775. source "arch/mips/vr41xx/Kconfig"
  776. source "arch/mips/cavium-octeon/Kconfig"
  777. source "arch/mips/loongson/Kconfig"
  778. source "arch/mips/netlogic/Kconfig"
  779. endmenu
  780. config RWSEM_GENERIC_SPINLOCK
  781. bool
  782. default y
  783. config RWSEM_XCHGADD_ALGORITHM
  784. bool
  785. config ARCH_HAS_ILOG2_U32
  786. bool
  787. default n
  788. config ARCH_HAS_ILOG2_U64
  789. bool
  790. default n
  791. config GENERIC_HWEIGHT
  792. bool
  793. default y
  794. config GENERIC_CALIBRATE_DELAY
  795. bool
  796. default y
  797. config GENERIC_CLOCKEVENTS
  798. bool
  799. default y
  800. config GENERIC_CMOS_UPDATE
  801. bool
  802. default y
  803. config SCHED_OMIT_FRAME_POINTER
  804. bool
  805. default y
  806. #
  807. # Select some configuration options automatically based on user selections.
  808. #
  809. config ARC
  810. bool
  811. config ARCH_MAY_HAVE_PC_FDC
  812. bool
  813. config BOOT_RAW
  814. bool
  815. config CEVT_BCM1480
  816. bool
  817. config CEVT_DS1287
  818. bool
  819. config CEVT_GT641XX
  820. bool
  821. config CEVT_R4K_LIB
  822. bool
  823. config CEVT_R4K
  824. select CEVT_R4K_LIB
  825. bool
  826. config CEVT_SB1250
  827. bool
  828. config CEVT_TXX9
  829. bool
  830. config CSRC_BCM1480
  831. bool
  832. config CSRC_IOASIC
  833. bool
  834. config CSRC_POWERTV
  835. bool
  836. config CSRC_R4K_LIB
  837. bool
  838. config CSRC_R4K
  839. select CSRC_R4K_LIB
  840. bool
  841. config CSRC_SB1250
  842. bool
  843. config GPIO_TXX9
  844. select GENERIC_GPIO
  845. select ARCH_REQUIRE_GPIOLIB
  846. bool
  847. config CFE
  848. bool
  849. config ARCH_DMA_ADDR_T_64BIT
  850. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  851. config DMA_COHERENT
  852. bool
  853. config DMA_NONCOHERENT
  854. bool
  855. select NEED_DMA_MAP_STATE
  856. config NEED_DMA_MAP_STATE
  857. bool
  858. config SYS_HAS_EARLY_PRINTK
  859. bool
  860. config HOTPLUG_CPU
  861. bool "Support for hot-pluggable CPUs"
  862. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  863. help
  864. Say Y here to allow turning CPUs off and on. CPUs can be
  865. controlled through /sys/devices/system/cpu.
  866. (Note: power management support will enable this option
  867. automatically on SMP systems. )
  868. Say N if you want to disable CPU hotplug.
  869. config SYS_SUPPORTS_HOTPLUG_CPU
  870. bool
  871. config I8259
  872. bool
  873. config MIPS_BONITO64
  874. bool
  875. config MIPS_MSC
  876. bool
  877. config MIPS_NILE4
  878. bool
  879. config MIPS_DISABLE_OBSOLETE_IDE
  880. bool
  881. config SYNC_R4K
  882. bool
  883. config MIPS_MACHINE
  884. def_bool n
  885. config NO_IOPORT
  886. def_bool n
  887. config GENERIC_ISA_DMA
  888. bool
  889. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  890. select ISA_DMA_API
  891. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  892. bool
  893. select GENERIC_ISA_DMA
  894. config ISA_DMA_API
  895. bool
  896. config GENERIC_GPIO
  897. bool
  898. config HOLES_IN_ZONE
  899. bool
  900. #
  901. # Endianess selection. Sufficiently obscure so many users don't know what to
  902. # answer,so we try hard to limit the available choices. Also the use of a
  903. # choice statement should be more obvious to the user.
  904. #
  905. choice
  906. prompt "Endianess selection"
  907. help
  908. Some MIPS machines can be configured for either little or big endian
  909. byte order. These modes require different kernels and a different
  910. Linux distribution. In general there is one preferred byteorder for a
  911. particular system but some systems are just as commonly used in the
  912. one or the other endianness.
  913. config CPU_BIG_ENDIAN
  914. bool "Big endian"
  915. depends on SYS_SUPPORTS_BIG_ENDIAN
  916. config CPU_LITTLE_ENDIAN
  917. bool "Little endian"
  918. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  919. help
  920. endchoice
  921. config EXPORT_UASM
  922. bool
  923. config SYS_SUPPORTS_APM_EMULATION
  924. bool
  925. config SYS_SUPPORTS_BIG_ENDIAN
  926. bool
  927. config SYS_SUPPORTS_LITTLE_ENDIAN
  928. bool
  929. config SYS_SUPPORTS_HUGETLBFS
  930. bool
  931. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  932. default y
  933. config IRQ_CPU
  934. bool
  935. config IRQ_CPU_RM7K
  936. bool
  937. config IRQ_CPU_RM9K
  938. bool
  939. config IRQ_MSP_SLP
  940. bool
  941. config IRQ_MSP_CIC
  942. bool
  943. config IRQ_TXX9
  944. bool
  945. config IRQ_GT641XX
  946. bool
  947. config IRQ_GIC
  948. bool
  949. config MIPS_BOARDS_GEN
  950. bool
  951. config PCI_GT64XXX_PCI0
  952. bool
  953. config NO_EXCEPT_FILL
  954. bool
  955. config MIPS_RM9122
  956. bool
  957. select SERIAL_RM9000
  958. config SOC_EMMA2RH
  959. bool
  960. select CEVT_R4K
  961. select CSRC_R4K
  962. select DMA_NONCOHERENT
  963. select IRQ_CPU
  964. select SWAP_IO_SPACE
  965. select SYS_HAS_CPU_R5500
  966. select SYS_SUPPORTS_32BIT_KERNEL
  967. select SYS_SUPPORTS_64BIT_KERNEL
  968. select SYS_SUPPORTS_BIG_ENDIAN
  969. config SOC_PNX833X
  970. bool
  971. select CEVT_R4K
  972. select CSRC_R4K
  973. select IRQ_CPU
  974. select DMA_NONCOHERENT
  975. select SYS_HAS_CPU_MIPS32_R2
  976. select SYS_SUPPORTS_32BIT_KERNEL
  977. select SYS_SUPPORTS_LITTLE_ENDIAN
  978. select SYS_SUPPORTS_BIG_ENDIAN
  979. select GENERIC_GPIO
  980. select CPU_MIPSR2_IRQ_VI
  981. config SOC_PNX8335
  982. bool
  983. select SOC_PNX833X
  984. config PNX8550
  985. bool
  986. select SOC_PNX8550
  987. config SOC_PNX8550
  988. bool
  989. select DMA_NONCOHERENT
  990. select HW_HAS_PCI
  991. select SYS_HAS_CPU_MIPS32_R1
  992. select SYS_HAS_EARLY_PRINTK
  993. select SYS_SUPPORTS_32BIT_KERNEL
  994. select GENERIC_GPIO
  995. config SWAP_IO_SPACE
  996. bool
  997. config SERIAL_RM9000
  998. bool
  999. config SGI_HAS_INDYDOG
  1000. bool
  1001. config SGI_HAS_HAL2
  1002. bool
  1003. config SGI_HAS_SEEQ
  1004. bool
  1005. config SGI_HAS_WD93
  1006. bool
  1007. config SGI_HAS_ZILOG
  1008. bool
  1009. config SGI_HAS_I8042
  1010. bool
  1011. config DEFAULT_SGI_PARTITION
  1012. bool
  1013. config ARC32
  1014. bool
  1015. config SNIPROM
  1016. bool
  1017. config BOOT_ELF32
  1018. bool
  1019. config MIPS_L1_CACHE_SHIFT
  1020. int
  1021. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1022. default "6" if MIPS_CPU_SCACHE
  1023. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1024. default "5"
  1025. config HAVE_STD_PC_SERIAL_PORT
  1026. bool
  1027. config ARC_CONSOLE
  1028. bool "ARC console support"
  1029. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1030. config ARC_MEMORY
  1031. bool
  1032. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1033. default y
  1034. config ARC_PROMLIB
  1035. bool
  1036. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1037. default y
  1038. config ARC64
  1039. bool
  1040. config BOOT_ELF64
  1041. bool
  1042. menu "CPU selection"
  1043. choice
  1044. prompt "CPU type"
  1045. default CPU_R4X00
  1046. config CPU_LOONGSON2E
  1047. bool "Loongson 2E"
  1048. depends on SYS_HAS_CPU_LOONGSON2E
  1049. select CPU_LOONGSON2
  1050. help
  1051. The Loongson 2E processor implements the MIPS III instruction set
  1052. with many extensions.
  1053. It has an internal FPGA northbridge, which is compatible to
  1054. bonito64.
  1055. config CPU_LOONGSON2F
  1056. bool "Loongson 2F"
  1057. depends on SYS_HAS_CPU_LOONGSON2F
  1058. select CPU_LOONGSON2
  1059. select GENERIC_GPIO
  1060. select ARCH_REQUIRE_GPIOLIB
  1061. help
  1062. The Loongson 2F processor implements the MIPS III instruction set
  1063. with many extensions.
  1064. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1065. have a similar programming interface with FPGA northbridge used in
  1066. Loongson2E.
  1067. config CPU_MIPS32_R1
  1068. bool "MIPS32 Release 1"
  1069. depends on SYS_HAS_CPU_MIPS32_R1
  1070. select CPU_HAS_PREFETCH
  1071. select CPU_SUPPORTS_32BIT_KERNEL
  1072. select CPU_SUPPORTS_HIGHMEM
  1073. help
  1074. Choose this option to build a kernel for release 1 or later of the
  1075. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1076. MIPS processor are based on a MIPS32 processor. If you know the
  1077. specific type of processor in your system, choose those that one
  1078. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1079. Release 2 of the MIPS32 architecture is available since several
  1080. years so chances are you even have a MIPS32 Release 2 processor
  1081. in which case you should choose CPU_MIPS32_R2 instead for better
  1082. performance.
  1083. config CPU_MIPS32_R2
  1084. bool "MIPS32 Release 2"
  1085. depends on SYS_HAS_CPU_MIPS32_R2
  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 2 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. config CPU_MIPS64_R1
  1096. bool "MIPS64 Release 1"
  1097. depends on SYS_HAS_CPU_MIPS64_R1
  1098. select CPU_HAS_PREFETCH
  1099. select CPU_SUPPORTS_32BIT_KERNEL
  1100. select CPU_SUPPORTS_64BIT_KERNEL
  1101. select CPU_SUPPORTS_HIGHMEM
  1102. select CPU_SUPPORTS_HUGEPAGES
  1103. help
  1104. Choose this option to build a kernel for release 1 or later of the
  1105. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1106. MIPS processor are based on a MIPS64 processor. If you know the
  1107. specific type of processor in your system, choose those that one
  1108. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1109. Release 2 of the MIPS64 architecture is available since several
  1110. years so chances are you even have a MIPS64 Release 2 processor
  1111. in which case you should choose CPU_MIPS64_R2 instead for better
  1112. performance.
  1113. config CPU_MIPS64_R2
  1114. bool "MIPS64 Release 2"
  1115. depends on SYS_HAS_CPU_MIPS64_R2
  1116. select CPU_HAS_PREFETCH
  1117. select CPU_SUPPORTS_32BIT_KERNEL
  1118. select CPU_SUPPORTS_64BIT_KERNEL
  1119. select CPU_SUPPORTS_HIGHMEM
  1120. select CPU_SUPPORTS_HUGEPAGES
  1121. help
  1122. Choose this option to build a kernel for release 2 or later of the
  1123. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1124. MIPS processor are based on a MIPS64 processor. If you know the
  1125. specific type of processor in your system, choose those that one
  1126. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1127. config CPU_R3000
  1128. bool "R3000"
  1129. depends on SYS_HAS_CPU_R3000
  1130. select CPU_HAS_WB
  1131. select CPU_SUPPORTS_32BIT_KERNEL
  1132. select CPU_SUPPORTS_HIGHMEM
  1133. help
  1134. Please make sure to pick the right CPU type. Linux/MIPS is not
  1135. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1136. *not* work on R4000 machines and vice versa. However, since most
  1137. of the supported machines have an R4000 (or similar) CPU, R4x00
  1138. might be a safe bet. If the resulting kernel does not work,
  1139. try to recompile with R3000.
  1140. config CPU_TX39XX
  1141. bool "R39XX"
  1142. depends on SYS_HAS_CPU_TX39XX
  1143. select CPU_SUPPORTS_32BIT_KERNEL
  1144. config CPU_VR41XX
  1145. bool "R41xx"
  1146. depends on SYS_HAS_CPU_VR41XX
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. select CPU_SUPPORTS_64BIT_KERNEL
  1149. help
  1150. The options selects support for the NEC VR4100 series of processors.
  1151. Only choose this option if you have one of these processors as a
  1152. kernel built with this option will not run on any other type of
  1153. processor or vice versa.
  1154. config CPU_R4300
  1155. bool "R4300"
  1156. depends on SYS_HAS_CPU_R4300
  1157. select CPU_SUPPORTS_32BIT_KERNEL
  1158. select CPU_SUPPORTS_64BIT_KERNEL
  1159. help
  1160. MIPS Technologies R4300-series processors.
  1161. config CPU_R4X00
  1162. bool "R4x00"
  1163. depends on SYS_HAS_CPU_R4X00
  1164. select CPU_SUPPORTS_32BIT_KERNEL
  1165. select CPU_SUPPORTS_64BIT_KERNEL
  1166. help
  1167. MIPS Technologies R4000-series processors other than 4300, including
  1168. the R4000, R4400, R4600, and 4700.
  1169. config CPU_TX49XX
  1170. bool "R49XX"
  1171. depends on SYS_HAS_CPU_TX49XX
  1172. select CPU_HAS_PREFETCH
  1173. select CPU_SUPPORTS_32BIT_KERNEL
  1174. select CPU_SUPPORTS_64BIT_KERNEL
  1175. config CPU_R5000
  1176. bool "R5000"
  1177. depends on SYS_HAS_CPU_R5000
  1178. select CPU_SUPPORTS_32BIT_KERNEL
  1179. select CPU_SUPPORTS_64BIT_KERNEL
  1180. help
  1181. MIPS Technologies R5000-series processors other than the Nevada.
  1182. config CPU_R5432
  1183. bool "R5432"
  1184. depends on SYS_HAS_CPU_R5432
  1185. select CPU_SUPPORTS_32BIT_KERNEL
  1186. select CPU_SUPPORTS_64BIT_KERNEL
  1187. config CPU_R5500
  1188. bool "R5500"
  1189. depends on SYS_HAS_CPU_R5500
  1190. select CPU_SUPPORTS_32BIT_KERNEL
  1191. select CPU_SUPPORTS_64BIT_KERNEL
  1192. select CPU_SUPPORTS_HUGEPAGES
  1193. help
  1194. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1195. instruction set.
  1196. config CPU_R6000
  1197. bool "R6000"
  1198. depends on EXPERIMENTAL
  1199. depends on SYS_HAS_CPU_R6000
  1200. select CPU_SUPPORTS_32BIT_KERNEL
  1201. help
  1202. MIPS Technologies R6000 and R6000A series processors. Note these
  1203. processors are extremely rare and the support for them is incomplete.
  1204. config CPU_NEVADA
  1205. bool "RM52xx"
  1206. depends on SYS_HAS_CPU_NEVADA
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. select CPU_SUPPORTS_64BIT_KERNEL
  1209. help
  1210. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1211. config CPU_R8000
  1212. bool "R8000"
  1213. depends on EXPERIMENTAL
  1214. depends on SYS_HAS_CPU_R8000
  1215. select CPU_HAS_PREFETCH
  1216. select CPU_SUPPORTS_64BIT_KERNEL
  1217. help
  1218. MIPS Technologies R8000 processors. Note these processors are
  1219. uncommon and the support for them is incomplete.
  1220. config CPU_R10000
  1221. bool "R10000"
  1222. depends on SYS_HAS_CPU_R10000
  1223. select CPU_HAS_PREFETCH
  1224. select CPU_SUPPORTS_32BIT_KERNEL
  1225. select CPU_SUPPORTS_64BIT_KERNEL
  1226. select CPU_SUPPORTS_HIGHMEM
  1227. help
  1228. MIPS Technologies R10000-series processors.
  1229. config CPU_RM7000
  1230. bool "RM7000"
  1231. depends on SYS_HAS_CPU_RM7000
  1232. select CPU_HAS_PREFETCH
  1233. select CPU_SUPPORTS_32BIT_KERNEL
  1234. select CPU_SUPPORTS_64BIT_KERNEL
  1235. select CPU_SUPPORTS_HIGHMEM
  1236. config CPU_RM9000
  1237. bool "RM9000"
  1238. depends on SYS_HAS_CPU_RM9000
  1239. select CPU_HAS_PREFETCH
  1240. select CPU_SUPPORTS_32BIT_KERNEL
  1241. select CPU_SUPPORTS_64BIT_KERNEL
  1242. select CPU_SUPPORTS_HIGHMEM
  1243. select WEAK_ORDERING
  1244. config CPU_SB1
  1245. bool "SB1"
  1246. depends on SYS_HAS_CPU_SB1
  1247. select CPU_SUPPORTS_32BIT_KERNEL
  1248. select CPU_SUPPORTS_64BIT_KERNEL
  1249. select CPU_SUPPORTS_HIGHMEM
  1250. select WEAK_ORDERING
  1251. config CPU_CAVIUM_OCTEON
  1252. bool "Cavium Octeon processor"
  1253. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1254. select CPU_HAS_PREFETCH
  1255. select CPU_SUPPORTS_64BIT_KERNEL
  1256. select SYS_SUPPORTS_SMP
  1257. select NR_CPUS_DEFAULT_16
  1258. select WEAK_ORDERING
  1259. select CPU_SUPPORTS_HIGHMEM
  1260. select CPU_SUPPORTS_HUGEPAGES
  1261. help
  1262. The Cavium Octeon processor is a highly integrated chip containing
  1263. many ethernet hardware widgets for networking tasks. The processor
  1264. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1265. Full details can be found at http://www.caviumnetworks.com.
  1266. config CPU_BMIPS3300
  1267. bool "BMIPS3300"
  1268. depends on SYS_HAS_CPU_BMIPS3300
  1269. select CPU_BMIPS
  1270. help
  1271. Broadcom BMIPS3300 processors.
  1272. config CPU_BMIPS4350
  1273. bool "BMIPS4350"
  1274. depends on SYS_HAS_CPU_BMIPS4350
  1275. select CPU_BMIPS
  1276. select SYS_SUPPORTS_SMP
  1277. select SYS_SUPPORTS_HOTPLUG_CPU
  1278. help
  1279. Broadcom BMIPS4350 ("VIPER") processors.
  1280. config CPU_BMIPS4380
  1281. bool "BMIPS4380"
  1282. depends on SYS_HAS_CPU_BMIPS4380
  1283. select CPU_BMIPS
  1284. select SYS_SUPPORTS_SMP
  1285. select SYS_SUPPORTS_HOTPLUG_CPU
  1286. help
  1287. Broadcom BMIPS4380 processors.
  1288. config CPU_BMIPS5000
  1289. bool "BMIPS5000"
  1290. depends on SYS_HAS_CPU_BMIPS5000
  1291. select CPU_BMIPS
  1292. select CPU_SUPPORTS_HIGHMEM
  1293. select MIPS_CPU_SCACHE
  1294. select SYS_SUPPORTS_SMP
  1295. select SYS_SUPPORTS_HOTPLUG_CPU
  1296. help
  1297. Broadcom BMIPS5000 processors.
  1298. config CPU_XLR
  1299. bool "Netlogic XLR SoC"
  1300. depends on SYS_HAS_CPU_XLR
  1301. select CPU_SUPPORTS_32BIT_KERNEL
  1302. select CPU_SUPPORTS_64BIT_KERNEL
  1303. select CPU_SUPPORTS_HIGHMEM
  1304. select WEAK_ORDERING
  1305. select WEAK_REORDERING_BEYOND_LLSC
  1306. select CPU_SUPPORTS_HUGEPAGES
  1307. help
  1308. Netlogic Microsystems XLR/XLS processors.
  1309. config CPU_XLP
  1310. bool "Netlogic XLP SoC"
  1311. depends on SYS_HAS_CPU_XLP
  1312. select CPU_SUPPORTS_32BIT_KERNEL
  1313. select CPU_SUPPORTS_64BIT_KERNEL
  1314. select CPU_SUPPORTS_HIGHMEM
  1315. select CPU_HAS_LLSC
  1316. select WEAK_ORDERING
  1317. select WEAK_REORDERING_BEYOND_LLSC
  1318. select CPU_HAS_PREFETCH
  1319. help
  1320. Netlogic Microsystems XLP processors.
  1321. endchoice
  1322. if CPU_LOONGSON2F
  1323. config CPU_NOP_WORKAROUNDS
  1324. bool
  1325. config CPU_JUMP_WORKAROUNDS
  1326. bool
  1327. config CPU_LOONGSON2F_WORKAROUNDS
  1328. bool "Loongson 2F Workarounds"
  1329. default y
  1330. select CPU_NOP_WORKAROUNDS
  1331. select CPU_JUMP_WORKAROUNDS
  1332. help
  1333. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1334. require workarounds. Without workarounds the system may hang
  1335. unexpectedly. For more information please refer to the gas
  1336. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1337. Loongson 2F03 and later have fixed these issues and no workarounds
  1338. are needed. The workarounds have no significant side effect on them
  1339. but may decrease the performance of the system so this option should
  1340. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1341. systems.
  1342. If unsure, please say Y.
  1343. endif # CPU_LOONGSON2F
  1344. config SYS_SUPPORTS_ZBOOT
  1345. bool
  1346. select HAVE_KERNEL_GZIP
  1347. select HAVE_KERNEL_BZIP2
  1348. select HAVE_KERNEL_LZMA
  1349. select HAVE_KERNEL_LZO
  1350. config SYS_SUPPORTS_ZBOOT_UART16550
  1351. bool
  1352. select SYS_SUPPORTS_ZBOOT
  1353. config CPU_LOONGSON2
  1354. bool
  1355. select CPU_SUPPORTS_32BIT_KERNEL
  1356. select CPU_SUPPORTS_64BIT_KERNEL
  1357. select CPU_SUPPORTS_HIGHMEM
  1358. config CPU_BMIPS
  1359. bool
  1360. select CPU_MIPS32
  1361. select CPU_SUPPORTS_32BIT_KERNEL
  1362. select DMA_NONCOHERENT
  1363. select IRQ_CPU
  1364. select SWAP_IO_SPACE
  1365. select WEAK_ORDERING
  1366. config SYS_HAS_CPU_LOONGSON2E
  1367. bool
  1368. config SYS_HAS_CPU_LOONGSON2F
  1369. bool
  1370. select CPU_SUPPORTS_CPUFREQ
  1371. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1372. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1373. config SYS_HAS_CPU_MIPS32_R1
  1374. bool
  1375. config SYS_HAS_CPU_MIPS32_R2
  1376. bool
  1377. config SYS_HAS_CPU_MIPS64_R1
  1378. bool
  1379. config SYS_HAS_CPU_MIPS64_R2
  1380. bool
  1381. config SYS_HAS_CPU_R3000
  1382. bool
  1383. config SYS_HAS_CPU_TX39XX
  1384. bool
  1385. config SYS_HAS_CPU_VR41XX
  1386. bool
  1387. config SYS_HAS_CPU_R4300
  1388. bool
  1389. config SYS_HAS_CPU_R4X00
  1390. bool
  1391. config SYS_HAS_CPU_TX49XX
  1392. bool
  1393. config SYS_HAS_CPU_R5000
  1394. bool
  1395. config SYS_HAS_CPU_R5432
  1396. bool
  1397. config SYS_HAS_CPU_R5500
  1398. bool
  1399. config SYS_HAS_CPU_R6000
  1400. bool
  1401. config SYS_HAS_CPU_NEVADA
  1402. bool
  1403. config SYS_HAS_CPU_R8000
  1404. bool
  1405. config SYS_HAS_CPU_R10000
  1406. bool
  1407. config SYS_HAS_CPU_RM7000
  1408. bool
  1409. config SYS_HAS_CPU_RM9000
  1410. bool
  1411. config SYS_HAS_CPU_SB1
  1412. bool
  1413. config SYS_HAS_CPU_CAVIUM_OCTEON
  1414. bool
  1415. config SYS_HAS_CPU_BMIPS3300
  1416. bool
  1417. config SYS_HAS_CPU_BMIPS4350
  1418. bool
  1419. config SYS_HAS_CPU_BMIPS4380
  1420. bool
  1421. config SYS_HAS_CPU_BMIPS5000
  1422. bool
  1423. config SYS_HAS_CPU_XLR
  1424. bool
  1425. config SYS_HAS_CPU_XLP
  1426. bool
  1427. #
  1428. # CPU may reorder R->R, R->W, W->R, W->W
  1429. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1430. #
  1431. config WEAK_ORDERING
  1432. bool
  1433. #
  1434. # CPU may reorder reads and writes beyond LL/SC
  1435. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1436. #
  1437. config WEAK_REORDERING_BEYOND_LLSC
  1438. bool
  1439. endmenu
  1440. #
  1441. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1442. #
  1443. config CPU_MIPS32
  1444. bool
  1445. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1446. config CPU_MIPS64
  1447. bool
  1448. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1449. #
  1450. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1451. #
  1452. config CPU_MIPSR1
  1453. bool
  1454. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1455. config CPU_MIPSR2
  1456. bool
  1457. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1458. config SYS_SUPPORTS_32BIT_KERNEL
  1459. bool
  1460. config SYS_SUPPORTS_64BIT_KERNEL
  1461. bool
  1462. config CPU_SUPPORTS_32BIT_KERNEL
  1463. bool
  1464. config CPU_SUPPORTS_64BIT_KERNEL
  1465. bool
  1466. config CPU_SUPPORTS_CPUFREQ
  1467. bool
  1468. config CPU_SUPPORTS_ADDRWINCFG
  1469. bool
  1470. config CPU_SUPPORTS_HUGEPAGES
  1471. bool
  1472. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1473. bool
  1474. config MIPS_PGD_C0_CONTEXT
  1475. bool
  1476. default y if 64BIT && CPU_MIPSR2
  1477. #
  1478. # Set to y for ptrace access to watch registers.
  1479. #
  1480. config HARDWARE_WATCHPOINTS
  1481. bool
  1482. default y if CPU_MIPSR1 || CPU_MIPSR2
  1483. menu "Kernel type"
  1484. choice
  1485. prompt "Kernel code model"
  1486. help
  1487. You should only select this option if you have a workload that
  1488. actually benefits from 64-bit processing or if your machine has
  1489. large memory. You will only be presented a single option in this
  1490. menu if your system does not support both 32-bit and 64-bit kernels.
  1491. config 32BIT
  1492. bool "32-bit kernel"
  1493. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1494. select TRAD_SIGNALS
  1495. help
  1496. Select this option if you want to build a 32-bit kernel.
  1497. config 64BIT
  1498. bool "64-bit kernel"
  1499. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1500. select HAVE_SYSCALL_WRAPPERS
  1501. help
  1502. Select this option if you want to build a 64-bit kernel.
  1503. endchoice
  1504. choice
  1505. prompt "Kernel page size"
  1506. default PAGE_SIZE_4KB
  1507. config PAGE_SIZE_4KB
  1508. bool "4kB"
  1509. depends on !CPU_LOONGSON2
  1510. help
  1511. This option select the standard 4kB Linux page size. On some
  1512. R3000-family processors this is the only available page size. Using
  1513. 4kB page size will minimize memory consumption and is therefore
  1514. recommended for low memory systems.
  1515. config PAGE_SIZE_8KB
  1516. bool "8kB"
  1517. depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
  1518. help
  1519. Using 8kB page size will result in higher performance kernel at
  1520. the price of higher memory consumption. This option is available
  1521. only on R8000 and cnMIPS processors. Note that you will need a
  1522. suitable Linux distribution to support this.
  1523. config PAGE_SIZE_16KB
  1524. bool "16kB"
  1525. depends on !CPU_R3000 && !CPU_TX39XX
  1526. help
  1527. Using 16kB page size will result in higher performance kernel at
  1528. the price of higher memory consumption. This option is available on
  1529. all non-R3000 family processors. Note that you will need a suitable
  1530. Linux distribution to support this.
  1531. config PAGE_SIZE_32KB
  1532. bool "32kB"
  1533. depends on CPU_CAVIUM_OCTEON
  1534. help
  1535. Using 32kB page size will result in higher performance kernel at
  1536. the price of higher memory consumption. This option is available
  1537. only on cnMIPS cores. Note that you will need a suitable Linux
  1538. distribution to support this.
  1539. config PAGE_SIZE_64KB
  1540. bool "64kB"
  1541. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1542. help
  1543. Using 64kB page size will result in higher performance kernel at
  1544. the price of higher memory consumption. This option is available on
  1545. all non-R3000 family processor. Not that at the time of this
  1546. writing this option is still high experimental.
  1547. endchoice
  1548. config FORCE_MAX_ZONEORDER
  1549. int "Maximum zone order"
  1550. range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1551. default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
  1552. range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1553. default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
  1554. range 11 64
  1555. default "11"
  1556. help
  1557. The kernel memory allocator divides physically contiguous memory
  1558. blocks into "zones", where each zone is a power of two number of
  1559. pages. This option selects the largest power of two that the kernel
  1560. keeps in the memory allocator. If you need to allocate very large
  1561. blocks of physically contiguous memory, then you may need to
  1562. increase this value.
  1563. This config option is actually maximum order plus one. For example,
  1564. a value of 11 means that the largest free memory block is 2^10 pages.
  1565. The page size is not necessarily 4KB. Keep this in mind
  1566. when choosing a value for this option.
  1567. config BOARD_SCACHE
  1568. bool
  1569. config IP22_CPU_SCACHE
  1570. bool
  1571. select BOARD_SCACHE
  1572. #
  1573. # Support for a MIPS32 / MIPS64 style S-caches
  1574. #
  1575. config MIPS_CPU_SCACHE
  1576. bool
  1577. select BOARD_SCACHE
  1578. config R5000_CPU_SCACHE
  1579. bool
  1580. select BOARD_SCACHE
  1581. config RM7000_CPU_SCACHE
  1582. bool
  1583. select BOARD_SCACHE
  1584. config SIBYTE_DMA_PAGEOPS
  1585. bool "Use DMA to clear/copy pages"
  1586. depends on CPU_SB1
  1587. help
  1588. Instead of using the CPU to zero and copy pages, use a Data Mover
  1589. channel. These DMA channels are otherwise unused by the standard
  1590. SiByte Linux port. Seems to give a small performance benefit.
  1591. config CPU_HAS_PREFETCH
  1592. bool
  1593. choice
  1594. prompt "MIPS MT options"
  1595. config MIPS_MT_DISABLED
  1596. bool "Disable multithreading support."
  1597. help
  1598. Use this option if your workload can't take advantage of
  1599. MIPS hardware multithreading support. On systems that don't have
  1600. the option of an MT-enabled processor this option will be the only
  1601. option in this menu.
  1602. config MIPS_MT_SMP
  1603. bool "Use 1 TC on each available VPE for SMP"
  1604. depends on SYS_SUPPORTS_MULTITHREADING
  1605. select CPU_MIPSR2_IRQ_VI
  1606. select CPU_MIPSR2_IRQ_EI
  1607. select MIPS_MT
  1608. select NR_CPUS_DEFAULT_2
  1609. select SMP
  1610. select SYS_SUPPORTS_SCHED_SMT if SMP
  1611. select SYS_SUPPORTS_SMP
  1612. select SMP_UP
  1613. help
  1614. This is a kernel model which is known a VSMP but lately has been
  1615. marketesed into SMVP.
  1616. Virtual SMP uses the processor's VPEs to implement virtual
  1617. processors. In currently available configuration of the 34K processor
  1618. this allows for a dual processor. Both processors will share the same
  1619. primary caches; each will obtain the half of the TLB for it's own
  1620. exclusive use. For a layman this model can be described as similar to
  1621. what Intel calls Hyperthreading.
  1622. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1623. config MIPS_MT_SMTC
  1624. bool "SMTC: Use all TCs on all VPEs for SMP"
  1625. depends on CPU_MIPS32_R2
  1626. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1627. depends on SYS_SUPPORTS_MULTITHREADING
  1628. select CPU_MIPSR2_IRQ_VI
  1629. select CPU_MIPSR2_IRQ_EI
  1630. select MIPS_MT
  1631. select NR_CPUS_DEFAULT_8
  1632. select SMP
  1633. select SYS_SUPPORTS_SMP
  1634. select SMP_UP
  1635. help
  1636. This is a kernel model which is known a SMTC or lately has been
  1637. marketesed into SMVP.
  1638. is presenting the available TC's of the core as processors to Linux.
  1639. On currently available 34K processors this means a Linux system will
  1640. see up to 5 processors. The implementation of the SMTC kernel differs
  1641. significantly from VSMP and cannot efficiently coexist in the same
  1642. kernel binary so the choice between VSMP and SMTC is a compile time
  1643. decision.
  1644. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1645. endchoice
  1646. config MIPS_MT
  1647. bool
  1648. config SCHED_SMT
  1649. bool "SMT (multithreading) scheduler support"
  1650. depends on SYS_SUPPORTS_SCHED_SMT
  1651. default n
  1652. help
  1653. SMT scheduler support improves the CPU scheduler's decision making
  1654. when dealing with MIPS MT enabled cores at a cost of slightly
  1655. increased overhead in some places. If unsure say N here.
  1656. config SYS_SUPPORTS_SCHED_SMT
  1657. bool
  1658. config SYS_SUPPORTS_MULTITHREADING
  1659. bool
  1660. config MIPS_MT_FPAFF
  1661. bool "Dynamic FPU affinity for FP-intensive threads"
  1662. default y
  1663. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1664. config MIPS_VPE_LOADER
  1665. bool "VPE loader support."
  1666. depends on SYS_SUPPORTS_MULTITHREADING
  1667. select CPU_MIPSR2_IRQ_VI
  1668. select CPU_MIPSR2_IRQ_EI
  1669. select MIPS_MT
  1670. help
  1671. Includes a loader for loading an elf relocatable object
  1672. onto another VPE and running it.
  1673. config MIPS_MT_SMTC_IM_BACKSTOP
  1674. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1675. depends on MIPS_MT_SMTC
  1676. default n
  1677. help
  1678. To support multiple TC microthreads acting as "CPUs" within
  1679. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1680. during interrupt handling. To support legacy drivers and interrupt
  1681. controller management code, SMTC has a "backstop" to track and
  1682. if necessary restore the interrupt mask. This has some performance
  1683. impact on interrupt service overhead.
  1684. config MIPS_MT_SMTC_IRQAFF
  1685. bool "Support IRQ affinity API"
  1686. depends on MIPS_MT_SMTC
  1687. default n
  1688. help
  1689. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1690. for SMTC Linux kernel. Requires platform support, of which
  1691. an example can be found in the MIPS kernel i8259 and Malta
  1692. platform code. Adds some overhead to interrupt dispatch, and
  1693. should be used only if you know what you are doing.
  1694. config MIPS_VPE_LOADER_TOM
  1695. bool "Load VPE program into memory hidden from linux"
  1696. depends on MIPS_VPE_LOADER
  1697. default y
  1698. help
  1699. The loader can use memory that is present but has been hidden from
  1700. Linux using the kernel command line option "mem=xxMB". It's up to
  1701. you to ensure the amount you put in the option and the space your
  1702. program requires is less or equal to the amount physically present.
  1703. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1704. config MIPS_VPE_APSP_API
  1705. bool "Enable support for AP/SP API (RTLX)"
  1706. depends on MIPS_VPE_LOADER
  1707. help
  1708. config MIPS_APSP_KSPD
  1709. bool "Enable KSPD"
  1710. depends on MIPS_VPE_APSP_API
  1711. default y
  1712. help
  1713. KSPD is a kernel daemon that accepts syscall requests from the SP
  1714. side, actions them and returns the results. It also handles the
  1715. "exit" syscall notifying other kernel modules the SP program is
  1716. exiting. You probably want to say yes here.
  1717. config MIPS_CMP
  1718. bool "MIPS CMP framework support"
  1719. depends on SYS_SUPPORTS_MIPS_CMP
  1720. select SYNC_R4K
  1721. select SYS_SUPPORTS_SMP
  1722. select SYS_SUPPORTS_SCHED_SMT if SMP
  1723. select WEAK_ORDERING
  1724. default n
  1725. help
  1726. This is a placeholder option for the GCMP work. It will need to
  1727. be handled differently...
  1728. config SB1_PASS_1_WORKAROUNDS
  1729. bool
  1730. depends on CPU_SB1_PASS_1
  1731. default y
  1732. config SB1_PASS_2_WORKAROUNDS
  1733. bool
  1734. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1735. default y
  1736. config SB1_PASS_2_1_WORKAROUNDS
  1737. bool
  1738. depends on CPU_SB1 && CPU_SB1_PASS_2
  1739. default y
  1740. config 64BIT_PHYS_ADDR
  1741. bool
  1742. config ARCH_PHYS_ADDR_T_64BIT
  1743. def_bool 64BIT_PHYS_ADDR
  1744. config CPU_HAS_SMARTMIPS
  1745. depends on SYS_SUPPORTS_SMARTMIPS
  1746. bool "Support for the SmartMIPS ASE"
  1747. help
  1748. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1749. increased security at both hardware and software level for
  1750. smartcards. Enabling this option will allow proper use of the
  1751. SmartMIPS instructions by Linux applications. However a kernel with
  1752. this option will not work on a MIPS core without SmartMIPS core. If
  1753. you don't know you probably don't have SmartMIPS and should say N
  1754. here.
  1755. config CPU_HAS_WB
  1756. bool
  1757. config XKS01
  1758. bool
  1759. #
  1760. # Vectored interrupt mode is an R2 feature
  1761. #
  1762. config CPU_MIPSR2_IRQ_VI
  1763. bool
  1764. #
  1765. # Extended interrupt mode is an R2 feature
  1766. #
  1767. config CPU_MIPSR2_IRQ_EI
  1768. bool
  1769. config CPU_HAS_SYNC
  1770. bool
  1771. depends on !CPU_R3000
  1772. default y
  1773. config GENERIC_CLOCKEVENTS_BROADCAST
  1774. bool
  1775. #
  1776. # CPU non-features
  1777. #
  1778. config CPU_DADDI_WORKAROUNDS
  1779. bool
  1780. config CPU_R4000_WORKAROUNDS
  1781. bool
  1782. select CPU_R4400_WORKAROUNDS
  1783. config CPU_R4400_WORKAROUNDS
  1784. bool
  1785. #
  1786. # - Highmem only makes sense for the 32-bit kernel.
  1787. # - The current highmem code will only work properly on physically indexed
  1788. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1789. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1790. # moment we protect the user and offer the highmem option only on machines
  1791. # where it's known to be safe. This will not offer highmem on a few systems
  1792. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1793. # indexed CPUs but we're playing safe.
  1794. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1795. # know they might have memory configurations that could make use of highmem
  1796. # support.
  1797. #
  1798. config HIGHMEM
  1799. bool "High Memory Support"
  1800. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1801. config CPU_SUPPORTS_HIGHMEM
  1802. bool
  1803. config SYS_SUPPORTS_HIGHMEM
  1804. bool
  1805. config SYS_SUPPORTS_SMARTMIPS
  1806. bool
  1807. config ARCH_FLATMEM_ENABLE
  1808. def_bool y
  1809. depends on !NUMA && !CPU_LOONGSON2
  1810. config ARCH_DISCONTIGMEM_ENABLE
  1811. bool
  1812. default y if SGI_IP27
  1813. help
  1814. Say Y to support efficient handling of discontiguous physical memory,
  1815. for architectures which are either NUMA (Non-Uniform Memory Access)
  1816. or have huge holes in the physical address space for other reasons.
  1817. See <file:Documentation/vm/numa> for more.
  1818. config ARCH_SPARSEMEM_ENABLE
  1819. bool
  1820. select SPARSEMEM_STATIC
  1821. config NUMA
  1822. bool "NUMA Support"
  1823. depends on SYS_SUPPORTS_NUMA
  1824. help
  1825. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1826. Access). This option improves performance on systems with more
  1827. than two nodes; on two node systems it is generally better to
  1828. leave it disabled; on single node systems disable this option
  1829. disabled.
  1830. config SYS_SUPPORTS_NUMA
  1831. bool
  1832. config NODES_SHIFT
  1833. int
  1834. default "6"
  1835. depends on NEED_MULTIPLE_NODES
  1836. config HW_PERF_EVENTS
  1837. bool "Enable hardware performance counter support for perf events"
  1838. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
  1839. default y
  1840. help
  1841. Enable hardware performance counter support for perf events. If
  1842. disabled, perf events will use software events only.
  1843. source "mm/Kconfig"
  1844. config SMP
  1845. bool "Multi-Processing support"
  1846. depends on SYS_SUPPORTS_SMP
  1847. select IRQ_PER_CPU
  1848. select USE_GENERIC_SMP_HELPERS
  1849. help
  1850. This enables support for systems with more than one CPU. If you have
  1851. a system with only one CPU, like most personal computers, say N. If
  1852. you have a system with more than one CPU, say Y.
  1853. If you say N here, the kernel will run on single and multiprocessor
  1854. machines, but will use only one CPU of a multiprocessor machine. If
  1855. you say Y here, the kernel will run on many, but not all,
  1856. singleprocessor machines. On a singleprocessor machine, the kernel
  1857. will run faster if you say N here.
  1858. People using multiprocessor machines who say Y here should also say
  1859. Y to "Enhanced Real Time Clock Support", below.
  1860. See also the SMP-HOWTO available at
  1861. <http://www.tldp.org/docs.html#howto>.
  1862. If you don't know what to do here, say N.
  1863. config SMP_UP
  1864. bool
  1865. config SYS_SUPPORTS_MIPS_CMP
  1866. bool
  1867. config SYS_SUPPORTS_SMP
  1868. bool
  1869. config NR_CPUS_DEFAULT_1
  1870. bool
  1871. config NR_CPUS_DEFAULT_2
  1872. bool
  1873. config NR_CPUS_DEFAULT_4
  1874. bool
  1875. config NR_CPUS_DEFAULT_8
  1876. bool
  1877. config NR_CPUS_DEFAULT_16
  1878. bool
  1879. config NR_CPUS_DEFAULT_32
  1880. bool
  1881. config NR_CPUS_DEFAULT_64
  1882. bool
  1883. config NR_CPUS
  1884. int "Maximum number of CPUs (2-64)"
  1885. range 1 64 if NR_CPUS_DEFAULT_1
  1886. depends on SMP
  1887. default "1" if NR_CPUS_DEFAULT_1
  1888. default "2" if NR_CPUS_DEFAULT_2
  1889. default "4" if NR_CPUS_DEFAULT_4
  1890. default "8" if NR_CPUS_DEFAULT_8
  1891. default "16" if NR_CPUS_DEFAULT_16
  1892. default "32" if NR_CPUS_DEFAULT_32
  1893. default "64" if NR_CPUS_DEFAULT_64
  1894. help
  1895. This allows you to specify the maximum number of CPUs which this
  1896. kernel will support. The maximum supported value is 32 for 32-bit
  1897. kernel and 64 for 64-bit kernels; the minimum value which makes
  1898. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1899. and 2 for all others.
  1900. This is purely to save memory - each supported CPU adds
  1901. approximately eight kilobytes to the kernel image. For best
  1902. performance should round up your number of processors to the next
  1903. power of two.
  1904. source "kernel/time/Kconfig"
  1905. #
  1906. # Timer Interrupt Frequency Configuration
  1907. #
  1908. choice
  1909. prompt "Timer frequency"
  1910. default HZ_250
  1911. help
  1912. Allows the configuration of the timer frequency.
  1913. config HZ_48
  1914. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1915. config HZ_100
  1916. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1917. config HZ_128
  1918. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1919. config HZ_250
  1920. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1921. config HZ_256
  1922. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1923. config HZ_1000
  1924. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1925. config HZ_1024
  1926. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1927. endchoice
  1928. config SYS_SUPPORTS_48HZ
  1929. bool
  1930. config SYS_SUPPORTS_100HZ
  1931. bool
  1932. config SYS_SUPPORTS_128HZ
  1933. bool
  1934. config SYS_SUPPORTS_250HZ
  1935. bool
  1936. config SYS_SUPPORTS_256HZ
  1937. bool
  1938. config SYS_SUPPORTS_1000HZ
  1939. bool
  1940. config SYS_SUPPORTS_1024HZ
  1941. bool
  1942. config SYS_SUPPORTS_ARBIT_HZ
  1943. bool
  1944. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1945. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1946. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1947. !SYS_SUPPORTS_1024HZ
  1948. config HZ
  1949. int
  1950. default 48 if HZ_48
  1951. default 100 if HZ_100
  1952. default 128 if HZ_128
  1953. default 250 if HZ_250
  1954. default 256 if HZ_256
  1955. default 1000 if HZ_1000
  1956. default 1024 if HZ_1024
  1957. source "kernel/Kconfig.preempt"
  1958. config KEXEC
  1959. bool "Kexec system call (EXPERIMENTAL)"
  1960. depends on EXPERIMENTAL
  1961. help
  1962. kexec is a system call that implements the ability to shutdown your
  1963. current kernel, and to start another kernel. It is like a reboot
  1964. but it is independent of the system firmware. And like a reboot
  1965. you can start any kernel with it, not just Linux.
  1966. The name comes from the similarity to the exec system call.
  1967. It is an ongoing process to be certain the hardware in a machine
  1968. is properly shutdown, so do not be surprised if this code does not
  1969. initially work for you. It may help to enable device hotplugging
  1970. support. As of this writing the exact hardware interface is
  1971. strongly in flux, so no good recommendation can be made.
  1972. config SECCOMP
  1973. bool "Enable seccomp to safely compute untrusted bytecode"
  1974. depends on PROC_FS
  1975. default y
  1976. help
  1977. This kernel feature is useful for number crunching applications
  1978. that may need to compute untrusted bytecode during their
  1979. execution. By using pipes or other transports made available to
  1980. the process as file descriptors supporting the read/write
  1981. syscalls, it's possible to isolate those applications in
  1982. their own address space using seccomp. Once seccomp is
  1983. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1984. and the task is only allowed to execute a few safe syscalls
  1985. defined by each seccomp mode.
  1986. If unsure, say Y. Only embedded should say N here.
  1987. config USE_OF
  1988. bool "Flattened Device Tree support"
  1989. select OF
  1990. select OF_EARLY_FLATTREE
  1991. select IRQ_DOMAIN
  1992. help
  1993. Include support for flattened device tree machine descriptions.
  1994. endmenu
  1995. config LOCKDEP_SUPPORT
  1996. bool
  1997. default y
  1998. config STACKTRACE_SUPPORT
  1999. bool
  2000. default y
  2001. source "init/Kconfig"
  2002. source "kernel/Kconfig.freezer"
  2003. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2004. config HW_HAS_EISA
  2005. bool
  2006. config HW_HAS_PCI
  2007. bool
  2008. config PCI
  2009. bool "Support for PCI controller"
  2010. depends on HW_HAS_PCI
  2011. select PCI_DOMAINS
  2012. select GENERIC_PCI_IOMAP
  2013. select NO_GENERIC_PCI_IOPORT_MAP
  2014. help
  2015. Find out whether you have a PCI motherboard. PCI is the name of a
  2016. bus system, i.e. the way the CPU talks to the other stuff inside
  2017. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2018. say Y, otherwise N.
  2019. config PCI_DOMAINS
  2020. bool
  2021. source "drivers/pci/Kconfig"
  2022. #
  2023. # ISA support is now enabled via select. Too many systems still have the one
  2024. # or other ISA chip on the board that users don't know about so don't expect
  2025. # users to choose the right thing ...
  2026. #
  2027. config ISA
  2028. bool
  2029. config EISA
  2030. bool "EISA support"
  2031. depends on HW_HAS_EISA
  2032. select ISA
  2033. select GENERIC_ISA_DMA
  2034. ---help---
  2035. The Extended Industry Standard Architecture (EISA) bus was
  2036. developed as an open alternative to the IBM MicroChannel bus.
  2037. The EISA bus provided some of the features of the IBM MicroChannel
  2038. bus while maintaining backward compatibility with cards made for
  2039. the older ISA bus. The EISA bus saw limited use between 1988 and
  2040. 1995 when it was made obsolete by the PCI bus.
  2041. Say Y here if you are building a kernel for an EISA-based machine.
  2042. Otherwise, say N.
  2043. source "drivers/eisa/Kconfig"
  2044. config TC
  2045. bool "TURBOchannel support"
  2046. depends on MACH_DECSTATION
  2047. help
  2048. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2049. processors. TURBOchannel programming specifications are available
  2050. at:
  2051. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2052. and:
  2053. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2054. Linux driver support status is documented at:
  2055. <http://www.linux-mips.org/wiki/DECstation>
  2056. config MMU
  2057. bool
  2058. default y
  2059. config I8253
  2060. bool
  2061. select CLKSRC_I8253
  2062. select CLKEVT_I8253
  2063. select MIPS_EXTERNAL_TIMER
  2064. config ZONE_DMA32
  2065. bool
  2066. source "drivers/pcmcia/Kconfig"
  2067. source "drivers/pci/hotplug/Kconfig"
  2068. config RAPIDIO
  2069. bool "RapidIO support"
  2070. depends on PCI
  2071. default n
  2072. help
  2073. If you say Y here, the kernel will include drivers and
  2074. infrastructure code to support RapidIO interconnect devices.
  2075. source "drivers/rapidio/Kconfig"
  2076. endmenu
  2077. menu "Executable file formats"
  2078. source "fs/Kconfig.binfmt"
  2079. config TRAD_SIGNALS
  2080. bool
  2081. config MIPS32_COMPAT
  2082. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2083. depends on 64BIT
  2084. help
  2085. Select this option if you want Linux/MIPS 32-bit binary
  2086. compatibility. Since all software available for Linux/MIPS is
  2087. currently 32-bit you should say Y here.
  2088. config COMPAT
  2089. bool
  2090. depends on MIPS32_COMPAT
  2091. select ARCH_WANT_OLD_COMPAT_IPC
  2092. default y
  2093. config SYSVIPC_COMPAT
  2094. bool
  2095. depends on COMPAT && SYSVIPC
  2096. default y
  2097. config MIPS32_O32
  2098. bool "Kernel support for o32 binaries"
  2099. depends on MIPS32_COMPAT
  2100. help
  2101. Select this option if you want to run o32 binaries. These are pure
  2102. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2103. existing binaries are in this format.
  2104. If unsure, say Y.
  2105. config MIPS32_N32
  2106. bool "Kernel support for n32 binaries"
  2107. depends on MIPS32_COMPAT
  2108. help
  2109. Select this option if you want to run n32 binaries. These are
  2110. 64-bit binaries using 32-bit quantities for addressing and certain
  2111. data that would normally be 64-bit. They are used in special
  2112. cases.
  2113. If unsure, say N.
  2114. config BINFMT_ELF32
  2115. bool
  2116. default y if MIPS32_O32 || MIPS32_N32
  2117. endmenu
  2118. menu "Power management options"
  2119. config ARCH_HIBERNATION_POSSIBLE
  2120. def_bool y
  2121. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2122. config ARCH_SUSPEND_POSSIBLE
  2123. def_bool y
  2124. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2125. source "kernel/power/Kconfig"
  2126. endmenu
  2127. source "arch/mips/kernel/cpufreq/Kconfig"
  2128. source "net/Kconfig"
  2129. source "drivers/Kconfig"
  2130. source "fs/Kconfig"
  2131. source "arch/mips/Kconfig.debug"
  2132. source "security/Kconfig"
  2133. source "crypto/Kconfig"
  2134. source "lib/Kconfig"