Kconfig 61 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_PERF_EVENTS
  8. select PERF_USE_VMALLOC
  9. select HAVE_ARCH_KGDB
  10. select ARCH_HAVE_CUSTOM_GPIO_H
  11. select HAVE_FUNCTION_TRACER
  12. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  13. select HAVE_DYNAMIC_FTRACE
  14. select HAVE_FTRACE_MCOUNT_RECORD
  15. select HAVE_C_RECORDMCOUNT
  16. select HAVE_FUNCTION_GRAPH_TRACER
  17. select HAVE_KPROBES
  18. select HAVE_KRETPROBES
  19. select HAVE_DEBUG_KMEMLEAK
  20. select ARCH_BINFMT_ELF_RANDOMIZE_PIE
  21. select HAVE_ARCH_TRANSPARENT_HUGEPAGE
  22. select RTC_LIB if !MACH_LOONGSON
  23. select GENERIC_ATOMIC64 if !64BIT
  24. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  25. select HAVE_DMA_ATTRS
  26. select HAVE_DMA_API_DEBUG
  27. select HAVE_GENERIC_HARDIRQS
  28. select GENERIC_IRQ_PROBE
  29. select GENERIC_IRQ_SHOW
  30. select HAVE_ARCH_JUMP_LABEL
  31. select ARCH_WANT_IPC_PARSE_VERSION
  32. select IRQ_FORCED_THREADING
  33. select HAVE_MEMBLOCK
  34. select HAVE_MEMBLOCK_NODE_MAP
  35. select ARCH_DISCARD_MEMBLOCK
  36. select GENERIC_SMP_IDLE_THREAD
  37. select BUILDTIME_EXTABLE_SORT
  38. select GENERIC_CLOCKEVENTS
  39. select GENERIC_CMOS_UPDATE
  40. select HAVE_MOD_ARCH_SPECIFIC
  41. select VIRT_TO_BUS
  42. select MODULES_USE_ELF_REL if MODULES
  43. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  44. select CLONE_BACKWARDS
  45. menu "Machine selection"
  46. config ZONE_DMA
  47. bool
  48. choice
  49. prompt "System type"
  50. default SGI_IP22
  51. config MIPS_ALCHEMY
  52. bool "Alchemy processor based machines"
  53. select 64BIT_PHYS_ADDR
  54. select CEVT_R4K
  55. select CSRC_R4K
  56. select IRQ_CPU
  57. select SYS_HAS_CPU_MIPS32_R1
  58. select SYS_SUPPORTS_32BIT_KERNEL
  59. select SYS_SUPPORTS_APM_EMULATION
  60. select ARCH_REQUIRE_GPIOLIB
  61. select SYS_SUPPORTS_ZBOOT
  62. select USB_ARCH_HAS_OHCI
  63. select USB_ARCH_HAS_EHCI
  64. config AR7
  65. bool "Texas Instruments AR7"
  66. select BOOT_ELF32
  67. select DMA_NONCOHERENT
  68. select CEVT_R4K
  69. select CSRC_R4K
  70. select IRQ_CPU
  71. select NO_EXCEPT_FILL
  72. select SWAP_IO_SPACE
  73. select SYS_HAS_CPU_MIPS32_R1
  74. select SYS_HAS_EARLY_PRINTK
  75. select SYS_SUPPORTS_32BIT_KERNEL
  76. select SYS_SUPPORTS_LITTLE_ENDIAN
  77. select SYS_SUPPORTS_ZBOOT_UART16550
  78. select ARCH_REQUIRE_GPIOLIB
  79. select VLYNQ
  80. select HAVE_CLK
  81. help
  82. Support for the Texas Instruments AR7 System-on-a-Chip
  83. family: TNETD7100, 7200 and 7300.
  84. config ATH79
  85. bool "Atheros AR71XX/AR724X/AR913X based boards"
  86. select ARCH_REQUIRE_GPIOLIB
  87. select BOOT_RAW
  88. select CEVT_R4K
  89. select CSRC_R4K
  90. select DMA_NONCOHERENT
  91. select HAVE_CLK
  92. select IRQ_CPU
  93. select MIPS_MACHINE
  94. select SYS_HAS_CPU_MIPS32_R2
  95. select SYS_HAS_EARLY_PRINTK
  96. select SYS_SUPPORTS_32BIT_KERNEL
  97. select SYS_SUPPORTS_BIG_ENDIAN
  98. help
  99. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  100. config BCM47XX
  101. bool "Broadcom BCM47XX based boards"
  102. select ARCH_WANT_OPTIONAL_GPIOLIB
  103. select BOOT_RAW
  104. select CEVT_R4K
  105. select CSRC_R4K
  106. select DMA_NONCOHERENT
  107. select FW_CFE
  108. select HW_HAS_PCI
  109. select IRQ_CPU
  110. select NO_EXCEPT_FILL
  111. select SYS_SUPPORTS_32BIT_KERNEL
  112. select SYS_SUPPORTS_LITTLE_ENDIAN
  113. select SYS_HAS_EARLY_PRINTK
  114. help
  115. Support for BCM47XX based boards
  116. config BCM63XX
  117. bool "Broadcom BCM63XX based boards"
  118. select CEVT_R4K
  119. select CSRC_R4K
  120. select DMA_NONCOHERENT
  121. select IRQ_CPU
  122. select SYS_HAS_CPU_MIPS32_R1
  123. select SYS_SUPPORTS_32BIT_KERNEL
  124. select SYS_SUPPORTS_BIG_ENDIAN
  125. select SYS_HAS_EARLY_PRINTK
  126. select SWAP_IO_SPACE
  127. select ARCH_REQUIRE_GPIOLIB
  128. select HAVE_CLK
  129. help
  130. Support for BCM63XX based boards
  131. config MIPS_COBALT
  132. bool "Cobalt Server"
  133. select CEVT_R4K
  134. select CSRC_R4K
  135. select CEVT_GT641XX
  136. select DMA_NONCOHERENT
  137. select HW_HAS_PCI
  138. select I8253
  139. select I8259
  140. select IRQ_CPU
  141. select IRQ_GT641XX
  142. select PCI_GT64XXX_PCI0
  143. select PCI
  144. select SYS_HAS_CPU_NEVADA
  145. select SYS_HAS_EARLY_PRINTK
  146. select SYS_SUPPORTS_32BIT_KERNEL
  147. select SYS_SUPPORTS_64BIT_KERNEL
  148. select SYS_SUPPORTS_LITTLE_ENDIAN
  149. config MACH_DECSTATION
  150. bool "DECstations"
  151. select BOOT_ELF32
  152. select CEVT_DS1287
  153. select CEVT_R4K
  154. select CSRC_IOASIC
  155. select CSRC_R4K
  156. select CPU_DADDI_WORKAROUNDS if 64BIT
  157. select CPU_R4000_WORKAROUNDS if 64BIT
  158. select CPU_R4400_WORKAROUNDS if 64BIT
  159. select DMA_NONCOHERENT
  160. select NO_IOPORT
  161. select IRQ_CPU
  162. select SYS_HAS_CPU_R3000
  163. select SYS_HAS_CPU_R4X00
  164. select SYS_SUPPORTS_32BIT_KERNEL
  165. select SYS_SUPPORTS_64BIT_KERNEL
  166. select SYS_SUPPORTS_LITTLE_ENDIAN
  167. select SYS_SUPPORTS_128HZ
  168. select SYS_SUPPORTS_256HZ
  169. select SYS_SUPPORTS_1024HZ
  170. help
  171. This enables support for DEC's MIPS based workstations. For details
  172. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  173. DECstation porting pages on <http://decstation.unix-ag.org/>.
  174. If you have one of the following DECstation Models you definitely
  175. want to choose R4xx0 for the CPU Type:
  176. DECstation 5000/50
  177. DECstation 5000/150
  178. DECstation 5000/260
  179. DECsystem 5900/260
  180. otherwise choose R3000.
  181. config MACH_JAZZ
  182. bool "Jazz family of machines"
  183. select FW_ARC
  184. select FW_ARC32
  185. select ARCH_MAY_HAVE_PC_FDC
  186. select CEVT_R4K
  187. select CSRC_R4K
  188. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  189. select GENERIC_ISA_DMA
  190. select HAVE_PCSPKR_PLATFORM
  191. select IRQ_CPU
  192. select I8253
  193. select I8259
  194. select ISA
  195. select SYS_HAS_CPU_R4X00
  196. select SYS_SUPPORTS_32BIT_KERNEL
  197. select SYS_SUPPORTS_64BIT_KERNEL
  198. select SYS_SUPPORTS_100HZ
  199. help
  200. This a family of machines based on the MIPS R4030 chipset which was
  201. used by several vendors to build RISC/os and Windows NT workstations.
  202. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  203. Olivetti M700-10 workstations.
  204. config MACH_JZ4740
  205. bool "Ingenic JZ4740 based machines"
  206. select SYS_HAS_CPU_MIPS32_R1
  207. select SYS_SUPPORTS_32BIT_KERNEL
  208. select SYS_SUPPORTS_LITTLE_ENDIAN
  209. select SYS_SUPPORTS_ZBOOT_UART16550
  210. select DMA_NONCOHERENT
  211. select IRQ_CPU
  212. select ARCH_REQUIRE_GPIOLIB
  213. select SYS_HAS_EARLY_PRINTK
  214. select HAVE_PWM
  215. select HAVE_CLK
  216. select GENERIC_IRQ_CHIP
  217. config LANTIQ
  218. bool "Lantiq based platforms"
  219. select DMA_NONCOHERENT
  220. select IRQ_CPU
  221. select CEVT_R4K
  222. select CSRC_R4K
  223. select SYS_HAS_CPU_MIPS32_R1
  224. select SYS_HAS_CPU_MIPS32_R2
  225. select SYS_SUPPORTS_BIG_ENDIAN
  226. select SYS_SUPPORTS_32BIT_KERNEL
  227. select SYS_SUPPORTS_MULTITHREADING
  228. select SYS_HAS_EARLY_PRINTK
  229. select ARCH_REQUIRE_GPIOLIB
  230. select SWAP_IO_SPACE
  231. select BOOT_RAW
  232. select HAVE_MACH_CLKDEV
  233. select CLKDEV_LOOKUP
  234. select USE_OF
  235. select PINCTRL
  236. select PINCTRL_LANTIQ
  237. config LASAT
  238. bool "LASAT Networks platforms"
  239. select CEVT_R4K
  240. select CSRC_R4K
  241. select DMA_NONCOHERENT
  242. select SYS_HAS_EARLY_PRINTK
  243. select HW_HAS_PCI
  244. select IRQ_CPU
  245. select PCI_GT64XXX_PCI0
  246. select MIPS_NILE4
  247. select R5000_CPU_SCACHE
  248. select SYS_HAS_CPU_R5000
  249. select SYS_SUPPORTS_32BIT_KERNEL
  250. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  251. select SYS_SUPPORTS_LITTLE_ENDIAN
  252. config MACH_LOONGSON
  253. bool "Loongson family of machines"
  254. select SYS_SUPPORTS_ZBOOT
  255. help
  256. This enables the support of Loongson family of machines.
  257. Loongson is a family of general-purpose MIPS-compatible CPUs.
  258. developed at Institute of Computing Technology (ICT),
  259. Chinese Academy of Sciences (CAS) in the People's Republic
  260. of China. The chief architect is Professor Weiwu Hu.
  261. config MACH_LOONGSON1
  262. bool "Loongson 1 family of machines"
  263. select SYS_SUPPORTS_ZBOOT
  264. help
  265. This enables support for the Loongson 1 based machines.
  266. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  267. the ICT (Institute of Computing Technology) and the Chinese Academy
  268. of Sciences.
  269. config MIPS_MALTA
  270. bool "MIPS Malta board"
  271. select ARCH_MAY_HAVE_PC_FDC
  272. select BOOT_ELF32
  273. select BOOT_RAW
  274. select CEVT_R4K
  275. select CSRC_R4K
  276. select CSRC_GIC
  277. select DMA_NONCOHERENT
  278. select GENERIC_ISA_DMA
  279. select HAVE_PCSPKR_PLATFORM
  280. select IRQ_CPU
  281. select IRQ_GIC
  282. select HW_HAS_PCI
  283. select I8253
  284. select I8259
  285. select MIPS_BOARDS_GEN
  286. select MIPS_BONITO64
  287. select MIPS_CPU_SCACHE
  288. select PCI_GT64XXX_PCI0
  289. select MIPS_MSC
  290. select SWAP_IO_SPACE
  291. select SYS_HAS_CPU_MIPS32_R1
  292. select SYS_HAS_CPU_MIPS32_R2
  293. select SYS_HAS_CPU_MIPS64_R1
  294. select SYS_HAS_CPU_MIPS64_R2
  295. select SYS_HAS_CPU_NEVADA
  296. select SYS_HAS_CPU_RM7000
  297. select SYS_HAS_EARLY_PRINTK
  298. select SYS_SUPPORTS_32BIT_KERNEL
  299. select SYS_SUPPORTS_64BIT_KERNEL
  300. select SYS_SUPPORTS_BIG_ENDIAN
  301. select SYS_SUPPORTS_LITTLE_ENDIAN
  302. select SYS_SUPPORTS_MIPS_CMP
  303. select SYS_SUPPORTS_MULTITHREADING
  304. select SYS_SUPPORTS_SMARTMIPS
  305. select SYS_SUPPORTS_ZBOOT
  306. help
  307. This enables support for the MIPS Technologies Malta evaluation
  308. board.
  309. config MIPS_SEAD3
  310. bool "MIPS SEAD3 board"
  311. select BOOT_ELF32
  312. select BOOT_RAW
  313. select CEVT_R4K
  314. select CSRC_R4K
  315. select CPU_MIPSR2_IRQ_VI
  316. select CPU_MIPSR2_IRQ_EI
  317. select DMA_NONCOHERENT
  318. select IRQ_CPU
  319. select IRQ_GIC
  320. select MIPS_BOARDS_GEN
  321. select MIPS_CPU_SCACHE
  322. select MIPS_MSC
  323. select SYS_HAS_CPU_MIPS32_R1
  324. select SYS_HAS_CPU_MIPS32_R2
  325. select SYS_HAS_CPU_MIPS64_R1
  326. select SYS_HAS_EARLY_PRINTK
  327. select SYS_SUPPORTS_32BIT_KERNEL
  328. select SYS_SUPPORTS_64BIT_KERNEL
  329. select SYS_SUPPORTS_BIG_ENDIAN
  330. select SYS_SUPPORTS_LITTLE_ENDIAN
  331. select SYS_SUPPORTS_SMARTMIPS
  332. select USB_ARCH_HAS_EHCI
  333. select USB_EHCI_BIG_ENDIAN_DESC
  334. select USB_EHCI_BIG_ENDIAN_MMIO
  335. select USE_OF
  336. help
  337. This enables support for the MIPS Technologies SEAD3 evaluation
  338. board.
  339. config NEC_MARKEINS
  340. bool "NEC EMMA2RH Mark-eins board"
  341. select SOC_EMMA2RH
  342. select HW_HAS_PCI
  343. help
  344. This enables support for the NEC Electronics Mark-eins boards.
  345. config MACH_VR41XX
  346. bool "NEC VR4100 series based machines"
  347. select CEVT_R4K
  348. select CSRC_R4K
  349. select SYS_HAS_CPU_VR41XX
  350. select ARCH_REQUIRE_GPIOLIB
  351. config NXP_STB220
  352. bool "NXP STB220 board"
  353. select SOC_PNX833X
  354. help
  355. Support for NXP Semiconductors STB220 Development Board.
  356. config NXP_STB225
  357. bool "NXP 225 board"
  358. select SOC_PNX833X
  359. select SOC_PNX8335
  360. help
  361. Support for NXP Semiconductors STB225 Development Board.
  362. config PMC_MSP
  363. bool "PMC-Sierra MSP chipsets"
  364. select CEVT_R4K
  365. select CSRC_R4K
  366. select DMA_NONCOHERENT
  367. select SWAP_IO_SPACE
  368. select NO_EXCEPT_FILL
  369. select BOOT_RAW
  370. select SYS_HAS_CPU_MIPS32_R1
  371. select SYS_HAS_CPU_MIPS32_R2
  372. select SYS_SUPPORTS_32BIT_KERNEL
  373. select SYS_SUPPORTS_BIG_ENDIAN
  374. select IRQ_CPU
  375. select SERIAL_8250
  376. select SERIAL_8250_CONSOLE
  377. help
  378. This adds support for the PMC-Sierra family of Multi-Service
  379. Processor System-On-A-Chips. These parts include a number
  380. of integrated peripherals, interfaces and DSPs in addition to
  381. a variety of MIPS cores.
  382. config POWERTV
  383. bool "Cisco PowerTV"
  384. select BOOT_ELF32
  385. select CEVT_R4K
  386. select CPU_MIPSR2_IRQ_VI
  387. select CPU_MIPSR2_IRQ_EI
  388. select CSRC_POWERTV
  389. select DMA_NONCOHERENT
  390. select HW_HAS_PCI
  391. select SYS_HAS_EARLY_PRINTK
  392. select SYS_HAS_CPU_MIPS32_R2
  393. select SYS_SUPPORTS_32BIT_KERNEL
  394. select SYS_SUPPORTS_BIG_ENDIAN
  395. select SYS_SUPPORTS_HIGHMEM
  396. select USB_OHCI_LITTLE_ENDIAN
  397. help
  398. This enables support for the Cisco PowerTV Platform.
  399. config RALINK
  400. bool "Ralink based machines"
  401. select CEVT_R4K
  402. select CSRC_R4K
  403. select BOOT_RAW
  404. select DMA_NONCOHERENT
  405. select IRQ_CPU
  406. select USE_OF
  407. select SYS_HAS_CPU_MIPS32_R1
  408. select SYS_HAS_CPU_MIPS32_R2
  409. select SYS_SUPPORTS_32BIT_KERNEL
  410. select SYS_SUPPORTS_LITTLE_ENDIAN
  411. select SYS_HAS_EARLY_PRINTK
  412. select HAVE_MACH_CLKDEV
  413. select CLKDEV_LOOKUP
  414. config SGI_IP22
  415. bool "SGI IP22 (Indy/Indigo2)"
  416. select FW_ARC
  417. select FW_ARC32
  418. select BOOT_ELF32
  419. select CEVT_R4K
  420. select CSRC_R4K
  421. select DEFAULT_SGI_PARTITION
  422. select DMA_NONCOHERENT
  423. select HW_HAS_EISA
  424. select I8253
  425. select I8259
  426. select IP22_CPU_SCACHE
  427. select IRQ_CPU
  428. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  429. select SGI_HAS_I8042
  430. select SGI_HAS_INDYDOG
  431. select SGI_HAS_HAL2
  432. select SGI_HAS_SEEQ
  433. select SGI_HAS_WD93
  434. select SGI_HAS_ZILOG
  435. select SWAP_IO_SPACE
  436. select SYS_HAS_CPU_R4X00
  437. select SYS_HAS_CPU_R5000
  438. #
  439. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  440. # memory during early boot on some machines.
  441. #
  442. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  443. # for a more details discussion
  444. #
  445. # select SYS_HAS_EARLY_PRINTK
  446. select SYS_SUPPORTS_32BIT_KERNEL
  447. select SYS_SUPPORTS_64BIT_KERNEL
  448. select SYS_SUPPORTS_BIG_ENDIAN
  449. help
  450. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  451. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  452. that runs on these, say Y here.
  453. config SGI_IP27
  454. bool "SGI IP27 (Origin200/2000)"
  455. select FW_ARC
  456. select FW_ARC64
  457. select BOOT_ELF64
  458. select DEFAULT_SGI_PARTITION
  459. select DMA_COHERENT
  460. select SYS_HAS_EARLY_PRINTK
  461. select HW_HAS_PCI
  462. select NR_CPUS_DEFAULT_64
  463. select SYS_HAS_CPU_R10000
  464. select SYS_SUPPORTS_64BIT_KERNEL
  465. select SYS_SUPPORTS_BIG_ENDIAN
  466. select SYS_SUPPORTS_NUMA
  467. select SYS_SUPPORTS_SMP
  468. help
  469. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  470. workstations. To compile a Linux kernel that runs on these, say Y
  471. here.
  472. config SGI_IP28
  473. bool "SGI IP28 (Indigo2 R10k)"
  474. select FW_ARC
  475. select FW_ARC64
  476. select BOOT_ELF64
  477. select CEVT_R4K
  478. select CSRC_R4K
  479. select DEFAULT_SGI_PARTITION
  480. select DMA_NONCOHERENT
  481. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  482. select IRQ_CPU
  483. select HW_HAS_EISA
  484. select I8253
  485. select I8259
  486. select SGI_HAS_I8042
  487. select SGI_HAS_INDYDOG
  488. select SGI_HAS_HAL2
  489. select SGI_HAS_SEEQ
  490. select SGI_HAS_WD93
  491. select SGI_HAS_ZILOG
  492. select SWAP_IO_SPACE
  493. select SYS_HAS_CPU_R10000
  494. #
  495. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  496. # memory during early boot on some machines.
  497. #
  498. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  499. # for a more details discussion
  500. #
  501. # select SYS_HAS_EARLY_PRINTK
  502. select SYS_SUPPORTS_64BIT_KERNEL
  503. select SYS_SUPPORTS_BIG_ENDIAN
  504. help
  505. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  506. kernel that runs on these, say Y here.
  507. config SGI_IP32
  508. bool "SGI IP32 (O2)"
  509. select FW_ARC
  510. select FW_ARC32
  511. select BOOT_ELF32
  512. select CEVT_R4K
  513. select CSRC_R4K
  514. select DMA_NONCOHERENT
  515. select HW_HAS_PCI
  516. select IRQ_CPU
  517. select R5000_CPU_SCACHE
  518. select RM7000_CPU_SCACHE
  519. select SYS_HAS_CPU_R5000
  520. select SYS_HAS_CPU_R10000 if BROKEN
  521. select SYS_HAS_CPU_RM7000
  522. select SYS_HAS_CPU_NEVADA
  523. select SYS_SUPPORTS_64BIT_KERNEL
  524. select SYS_SUPPORTS_BIG_ENDIAN
  525. help
  526. If you want this kernel to run on SGI O2 workstation, say Y here.
  527. config SIBYTE_CRHINE
  528. bool "Sibyte BCM91120C-CRhine"
  529. select BOOT_ELF32
  530. select DMA_COHERENT
  531. select SIBYTE_BCM1120
  532. select SWAP_IO_SPACE
  533. select SYS_HAS_CPU_SB1
  534. select SYS_SUPPORTS_BIG_ENDIAN
  535. select SYS_SUPPORTS_LITTLE_ENDIAN
  536. config SIBYTE_CARMEL
  537. bool "Sibyte BCM91120x-Carmel"
  538. select BOOT_ELF32
  539. select DMA_COHERENT
  540. select SIBYTE_BCM1120
  541. select SWAP_IO_SPACE
  542. select SYS_HAS_CPU_SB1
  543. select SYS_SUPPORTS_BIG_ENDIAN
  544. select SYS_SUPPORTS_LITTLE_ENDIAN
  545. config SIBYTE_CRHONE
  546. bool "Sibyte BCM91125C-CRhone"
  547. select BOOT_ELF32
  548. select DMA_COHERENT
  549. select SIBYTE_BCM1125
  550. select SWAP_IO_SPACE
  551. select SYS_HAS_CPU_SB1
  552. select SYS_SUPPORTS_BIG_ENDIAN
  553. select SYS_SUPPORTS_HIGHMEM
  554. select SYS_SUPPORTS_LITTLE_ENDIAN
  555. config SIBYTE_RHONE
  556. bool "Sibyte BCM91125E-Rhone"
  557. select BOOT_ELF32
  558. select DMA_COHERENT
  559. select SIBYTE_BCM1125H
  560. select SWAP_IO_SPACE
  561. select SYS_HAS_CPU_SB1
  562. select SYS_SUPPORTS_BIG_ENDIAN
  563. select SYS_SUPPORTS_LITTLE_ENDIAN
  564. config SIBYTE_SWARM
  565. bool "Sibyte BCM91250A-SWARM"
  566. select BOOT_ELF32
  567. select DMA_COHERENT
  568. select HAVE_PATA_PLATFORM
  569. select NR_CPUS_DEFAULT_2
  570. select SIBYTE_SB1250
  571. select SWAP_IO_SPACE
  572. select SYS_HAS_CPU_SB1
  573. select SYS_SUPPORTS_BIG_ENDIAN
  574. select SYS_SUPPORTS_HIGHMEM
  575. select SYS_SUPPORTS_LITTLE_ENDIAN
  576. select ZONE_DMA32 if 64BIT
  577. config SIBYTE_LITTLESUR
  578. bool "Sibyte BCM91250C2-LittleSur"
  579. select BOOT_ELF32
  580. select DMA_COHERENT
  581. select HAVE_PATA_PLATFORM
  582. select NR_CPUS_DEFAULT_2
  583. select SIBYTE_SB1250
  584. select SWAP_IO_SPACE
  585. select SYS_HAS_CPU_SB1
  586. select SYS_SUPPORTS_BIG_ENDIAN
  587. select SYS_SUPPORTS_HIGHMEM
  588. select SYS_SUPPORTS_LITTLE_ENDIAN
  589. config SIBYTE_SENTOSA
  590. bool "Sibyte BCM91250E-Sentosa"
  591. select BOOT_ELF32
  592. select DMA_COHERENT
  593. select NR_CPUS_DEFAULT_2
  594. select SIBYTE_SB1250
  595. select SWAP_IO_SPACE
  596. select SYS_HAS_CPU_SB1
  597. select SYS_SUPPORTS_BIG_ENDIAN
  598. select SYS_SUPPORTS_LITTLE_ENDIAN
  599. config SIBYTE_BIGSUR
  600. bool "Sibyte BCM91480B-BigSur"
  601. select BOOT_ELF32
  602. select DMA_COHERENT
  603. select NR_CPUS_DEFAULT_4
  604. select SIBYTE_BCM1x80
  605. select SWAP_IO_SPACE
  606. select SYS_HAS_CPU_SB1
  607. select SYS_SUPPORTS_BIG_ENDIAN
  608. select SYS_SUPPORTS_HIGHMEM
  609. select SYS_SUPPORTS_LITTLE_ENDIAN
  610. select ZONE_DMA32 if 64BIT
  611. config SNI_RM
  612. bool "SNI RM200/300/400"
  613. select FW_ARC if CPU_LITTLE_ENDIAN
  614. select FW_ARC32 if CPU_LITTLE_ENDIAN
  615. select SNIPROM if CPU_BIG_ENDIAN
  616. select ARCH_MAY_HAVE_PC_FDC
  617. select BOOT_ELF32
  618. select CEVT_R4K
  619. select CSRC_R4K
  620. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  621. select DMA_NONCOHERENT
  622. select GENERIC_ISA_DMA
  623. select HAVE_PCSPKR_PLATFORM
  624. select HW_HAS_EISA
  625. select HW_HAS_PCI
  626. select IRQ_CPU
  627. select I8253
  628. select I8259
  629. select ISA
  630. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  631. select SYS_HAS_CPU_R4X00
  632. select SYS_HAS_CPU_R5000
  633. select SYS_HAS_CPU_R10000
  634. select R5000_CPU_SCACHE
  635. select SYS_HAS_EARLY_PRINTK
  636. select SYS_SUPPORTS_32BIT_KERNEL
  637. select SYS_SUPPORTS_64BIT_KERNEL
  638. select SYS_SUPPORTS_BIG_ENDIAN
  639. select SYS_SUPPORTS_HIGHMEM
  640. select SYS_SUPPORTS_LITTLE_ENDIAN
  641. help
  642. The SNI RM200/300/400 are MIPS-based machines manufactured by
  643. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  644. Technology and now in turn merged with Fujitsu. Say Y here to
  645. support this machine type.
  646. config MACH_TX39XX
  647. bool "Toshiba TX39 series based machines"
  648. config MACH_TX49XX
  649. bool "Toshiba TX49 series based machines"
  650. config MIKROTIK_RB532
  651. bool "Mikrotik RB532 boards"
  652. select CEVT_R4K
  653. select CSRC_R4K
  654. select DMA_NONCOHERENT
  655. select HW_HAS_PCI
  656. select IRQ_CPU
  657. select SYS_HAS_CPU_MIPS32_R1
  658. select SYS_SUPPORTS_32BIT_KERNEL
  659. select SYS_SUPPORTS_LITTLE_ENDIAN
  660. select SWAP_IO_SPACE
  661. select BOOT_RAW
  662. select ARCH_REQUIRE_GPIOLIB
  663. help
  664. Support the Mikrotik(tm) RouterBoard 532 series,
  665. based on the IDT RC32434 SoC.
  666. config WR_PPMC
  667. bool "Wind River PPMC board"
  668. select CEVT_R4K
  669. select CSRC_R4K
  670. select IRQ_CPU
  671. select BOOT_ELF32
  672. select DMA_NONCOHERENT
  673. select HW_HAS_PCI
  674. select PCI_GT64XXX_PCI0
  675. select SWAP_IO_SPACE
  676. select SYS_HAS_CPU_MIPS32_R1
  677. select SYS_HAS_CPU_MIPS32_R2
  678. select SYS_HAS_CPU_MIPS64_R1
  679. select SYS_HAS_CPU_NEVADA
  680. select SYS_HAS_CPU_RM7000
  681. select SYS_SUPPORTS_32BIT_KERNEL
  682. select SYS_SUPPORTS_64BIT_KERNEL
  683. select SYS_SUPPORTS_BIG_ENDIAN
  684. select SYS_SUPPORTS_LITTLE_ENDIAN
  685. help
  686. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  687. board, which is based on GT64120 bridge chip.
  688. config CAVIUM_OCTEON_SIMULATOR
  689. bool "Cavium Networks Octeon Simulator"
  690. select CEVT_R4K
  691. select 64BIT_PHYS_ADDR
  692. select DMA_COHERENT
  693. select SYS_SUPPORTS_64BIT_KERNEL
  694. select SYS_SUPPORTS_BIG_ENDIAN
  695. select SYS_SUPPORTS_HOTPLUG_CPU
  696. select SYS_HAS_CPU_CAVIUM_OCTEON
  697. select HOLES_IN_ZONE
  698. help
  699. The Octeon simulator is software performance model of the Cavium
  700. Octeon Processor. It supports simulating Octeon processors on x86
  701. hardware.
  702. config CAVIUM_OCTEON_REFERENCE_BOARD
  703. bool "Cavium Networks Octeon reference board"
  704. select CEVT_R4K
  705. select 64BIT_PHYS_ADDR
  706. select DMA_COHERENT
  707. select SYS_SUPPORTS_64BIT_KERNEL
  708. select SYS_SUPPORTS_BIG_ENDIAN
  709. select EDAC_SUPPORT
  710. select SYS_SUPPORTS_HOTPLUG_CPU
  711. select SYS_HAS_EARLY_PRINTK
  712. select SYS_HAS_CPU_CAVIUM_OCTEON
  713. select SWAP_IO_SPACE
  714. select HW_HAS_PCI
  715. select ARCH_SUPPORTS_MSI
  716. select ZONE_DMA32
  717. select USB_ARCH_HAS_OHCI
  718. select USB_ARCH_HAS_EHCI
  719. select HOLES_IN_ZONE
  720. help
  721. This option supports all of the Octeon reference boards from Cavium
  722. Networks. It builds a kernel that dynamically determines the Octeon
  723. CPU type and supports all known board reference implementations.
  724. Some of the supported boards are:
  725. EBT3000
  726. EBH3000
  727. EBH3100
  728. Thunder
  729. Kodama
  730. Hikari
  731. Say Y here for most Octeon reference boards.
  732. config NLM_XLR_BOARD
  733. bool "Netlogic XLR/XLS based systems"
  734. select BOOT_ELF32
  735. select NLM_COMMON
  736. select SYS_HAS_CPU_XLR
  737. select SYS_SUPPORTS_SMP
  738. select HW_HAS_PCI
  739. select SWAP_IO_SPACE
  740. select SYS_SUPPORTS_32BIT_KERNEL
  741. select SYS_SUPPORTS_64BIT_KERNEL
  742. select 64BIT_PHYS_ADDR
  743. select SYS_SUPPORTS_BIG_ENDIAN
  744. select SYS_SUPPORTS_HIGHMEM
  745. select DMA_COHERENT
  746. select NR_CPUS_DEFAULT_32
  747. select CEVT_R4K
  748. select CSRC_R4K
  749. select IRQ_CPU
  750. select ARCH_SUPPORTS_MSI
  751. select ZONE_DMA32 if 64BIT
  752. select SYNC_R4K
  753. select SYS_HAS_EARLY_PRINTK
  754. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  755. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  756. help
  757. Support for systems based on Netlogic XLR and XLS processors.
  758. Say Y here if you have a XLR or XLS based board.
  759. config NLM_XLP_BOARD
  760. bool "Netlogic XLP based systems"
  761. select BOOT_ELF32
  762. select NLM_COMMON
  763. select SYS_HAS_CPU_XLP
  764. select SYS_SUPPORTS_SMP
  765. select HW_HAS_PCI
  766. select SYS_SUPPORTS_32BIT_KERNEL
  767. select SYS_SUPPORTS_64BIT_KERNEL
  768. select 64BIT_PHYS_ADDR
  769. select SYS_SUPPORTS_BIG_ENDIAN
  770. select SYS_SUPPORTS_LITTLE_ENDIAN
  771. select SYS_SUPPORTS_HIGHMEM
  772. select DMA_COHERENT
  773. select NR_CPUS_DEFAULT_32
  774. select CEVT_R4K
  775. select CSRC_R4K
  776. select IRQ_CPU
  777. select ZONE_DMA32 if 64BIT
  778. select SYNC_R4K
  779. select SYS_HAS_EARLY_PRINTK
  780. select USE_OF
  781. help
  782. This board is based on Netlogic XLP Processor.
  783. Say Y here if you have a XLP based board.
  784. endchoice
  785. source "arch/mips/alchemy/Kconfig"
  786. source "arch/mips/ath79/Kconfig"
  787. source "arch/mips/bcm47xx/Kconfig"
  788. source "arch/mips/bcm63xx/Kconfig"
  789. source "arch/mips/jazz/Kconfig"
  790. source "arch/mips/jz4740/Kconfig"
  791. source "arch/mips/lantiq/Kconfig"
  792. source "arch/mips/lasat/Kconfig"
  793. source "arch/mips/pmcs-msp71xx/Kconfig"
  794. source "arch/mips/powertv/Kconfig"
  795. source "arch/mips/ralink/Kconfig"
  796. source "arch/mips/sgi-ip27/Kconfig"
  797. source "arch/mips/sibyte/Kconfig"
  798. source "arch/mips/txx9/Kconfig"
  799. source "arch/mips/vr41xx/Kconfig"
  800. source "arch/mips/cavium-octeon/Kconfig"
  801. source "arch/mips/loongson/Kconfig"
  802. source "arch/mips/loongson1/Kconfig"
  803. source "arch/mips/netlogic/Kconfig"
  804. endmenu
  805. config RWSEM_GENERIC_SPINLOCK
  806. bool
  807. default y
  808. config RWSEM_XCHGADD_ALGORITHM
  809. bool
  810. config ARCH_HAS_ILOG2_U32
  811. bool
  812. default n
  813. config ARCH_HAS_ILOG2_U64
  814. bool
  815. default n
  816. config GENERIC_HWEIGHT
  817. bool
  818. default y
  819. config GENERIC_CALIBRATE_DELAY
  820. bool
  821. default y
  822. config SCHED_OMIT_FRAME_POINTER
  823. bool
  824. default y
  825. #
  826. # Select some configuration options automatically based on user selections.
  827. #
  828. config FW_ARC
  829. bool
  830. config ARCH_MAY_HAVE_PC_FDC
  831. bool
  832. config BOOT_RAW
  833. bool
  834. config CEVT_BCM1480
  835. bool
  836. config CEVT_DS1287
  837. bool
  838. config CEVT_GT641XX
  839. bool
  840. config CEVT_R4K
  841. bool
  842. config CEVT_SB1250
  843. bool
  844. config CEVT_TXX9
  845. bool
  846. config CSRC_BCM1480
  847. bool
  848. config CSRC_IOASIC
  849. bool
  850. config CSRC_POWERTV
  851. bool
  852. config CSRC_R4K
  853. bool
  854. config CSRC_GIC
  855. bool
  856. config CSRC_SB1250
  857. bool
  858. config GPIO_TXX9
  859. select ARCH_REQUIRE_GPIOLIB
  860. bool
  861. config FW_CFE
  862. bool
  863. config ARCH_DMA_ADDR_T_64BIT
  864. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  865. config DMA_COHERENT
  866. bool
  867. config DMA_NONCOHERENT
  868. bool
  869. select NEED_DMA_MAP_STATE
  870. config NEED_DMA_MAP_STATE
  871. bool
  872. config SYS_HAS_EARLY_PRINTK
  873. bool
  874. config HOTPLUG_CPU
  875. bool "Support for hot-pluggable CPUs"
  876. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  877. help
  878. Say Y here to allow turning CPUs off and on. CPUs can be
  879. controlled through /sys/devices/system/cpu.
  880. (Note: power management support will enable this option
  881. automatically on SMP systems. )
  882. Say N if you want to disable CPU hotplug.
  883. config SYS_SUPPORTS_HOTPLUG_CPU
  884. bool
  885. config I8259
  886. bool
  887. config MIPS_BONITO64
  888. bool
  889. config MIPS_MSC
  890. bool
  891. config MIPS_NILE4
  892. bool
  893. config MIPS_DISABLE_OBSOLETE_IDE
  894. bool
  895. config SYNC_R4K
  896. bool
  897. config MIPS_MACHINE
  898. def_bool n
  899. config NO_IOPORT
  900. def_bool n
  901. config GENERIC_ISA_DMA
  902. bool
  903. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  904. select ISA_DMA_API
  905. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  906. bool
  907. select GENERIC_ISA_DMA
  908. config ISA_DMA_API
  909. bool
  910. config GENERIC_GPIO
  911. bool
  912. config HOLES_IN_ZONE
  913. bool
  914. #
  915. # Endianness selection. Sufficiently obscure so many users don't know what to
  916. # answer,so we try hard to limit the available choices. Also the use of a
  917. # choice statement should be more obvious to the user.
  918. #
  919. choice
  920. prompt "Endianness selection"
  921. help
  922. Some MIPS machines can be configured for either little or big endian
  923. byte order. These modes require different kernels and a different
  924. Linux distribution. In general there is one preferred byteorder for a
  925. particular system but some systems are just as commonly used in the
  926. one or the other endianness.
  927. config CPU_BIG_ENDIAN
  928. bool "Big endian"
  929. depends on SYS_SUPPORTS_BIG_ENDIAN
  930. config CPU_LITTLE_ENDIAN
  931. bool "Little endian"
  932. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  933. help
  934. endchoice
  935. config EXPORT_UASM
  936. bool
  937. config SYS_SUPPORTS_APM_EMULATION
  938. bool
  939. config SYS_SUPPORTS_BIG_ENDIAN
  940. bool
  941. config SYS_SUPPORTS_LITTLE_ENDIAN
  942. bool
  943. config SYS_SUPPORTS_HUGETLBFS
  944. bool
  945. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  946. default y
  947. config MIPS_HUGE_TLB_SUPPORT
  948. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  949. config IRQ_CPU
  950. bool
  951. config IRQ_CPU_RM7K
  952. bool
  953. config IRQ_MSP_SLP
  954. bool
  955. config IRQ_MSP_CIC
  956. bool
  957. config IRQ_TXX9
  958. bool
  959. config IRQ_GT641XX
  960. bool
  961. config IRQ_GIC
  962. bool
  963. config MIPS_BOARDS_GEN
  964. bool
  965. config PCI_GT64XXX_PCI0
  966. bool
  967. config NO_EXCEPT_FILL
  968. bool
  969. config SOC_EMMA2RH
  970. bool
  971. select CEVT_R4K
  972. select CSRC_R4K
  973. select DMA_NONCOHERENT
  974. select IRQ_CPU
  975. select SWAP_IO_SPACE
  976. select SYS_HAS_CPU_R5500
  977. select SYS_SUPPORTS_32BIT_KERNEL
  978. select SYS_SUPPORTS_64BIT_KERNEL
  979. select SYS_SUPPORTS_BIG_ENDIAN
  980. config SOC_PNX833X
  981. bool
  982. select CEVT_R4K
  983. select CSRC_R4K
  984. select IRQ_CPU
  985. select DMA_NONCOHERENT
  986. select SYS_HAS_CPU_MIPS32_R2
  987. select SYS_SUPPORTS_32BIT_KERNEL
  988. select SYS_SUPPORTS_LITTLE_ENDIAN
  989. select SYS_SUPPORTS_BIG_ENDIAN
  990. select GENERIC_GPIO
  991. select CPU_MIPSR2_IRQ_VI
  992. config SOC_PNX8335
  993. bool
  994. select SOC_PNX833X
  995. config SWAP_IO_SPACE
  996. bool
  997. config SGI_HAS_INDYDOG
  998. bool
  999. config SGI_HAS_HAL2
  1000. bool
  1001. config SGI_HAS_SEEQ
  1002. bool
  1003. config SGI_HAS_WD93
  1004. bool
  1005. config SGI_HAS_ZILOG
  1006. bool
  1007. config SGI_HAS_I8042
  1008. bool
  1009. config DEFAULT_SGI_PARTITION
  1010. bool
  1011. config FW_ARC32
  1012. bool
  1013. config SNIPROM
  1014. bool
  1015. config BOOT_ELF32
  1016. bool
  1017. config MIPS_L1_CACHE_SHIFT
  1018. int
  1019. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
  1020. default "6" if MIPS_CPU_SCACHE
  1021. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1022. default "5"
  1023. config HAVE_STD_PC_SERIAL_PORT
  1024. bool
  1025. config ARC_CONSOLE
  1026. bool "ARC console support"
  1027. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1028. config ARC_MEMORY
  1029. bool
  1030. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1031. default y
  1032. config ARC_PROMLIB
  1033. bool
  1034. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1035. default y
  1036. config FW_ARC64
  1037. bool
  1038. config BOOT_ELF64
  1039. bool
  1040. menu "CPU selection"
  1041. choice
  1042. prompt "CPU type"
  1043. default CPU_R4X00
  1044. config CPU_LOONGSON2E
  1045. bool "Loongson 2E"
  1046. depends on SYS_HAS_CPU_LOONGSON2E
  1047. select CPU_LOONGSON2
  1048. help
  1049. The Loongson 2E processor implements the MIPS III instruction set
  1050. with many extensions.
  1051. It has an internal FPGA northbridge, which is compatible to
  1052. bonito64.
  1053. config CPU_LOONGSON2F
  1054. bool "Loongson 2F"
  1055. depends on SYS_HAS_CPU_LOONGSON2F
  1056. select CPU_LOONGSON2
  1057. select ARCH_REQUIRE_GPIOLIB
  1058. help
  1059. The Loongson 2F processor implements the MIPS III instruction set
  1060. with many extensions.
  1061. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1062. have a similar programming interface with FPGA northbridge used in
  1063. Loongson2E.
  1064. config CPU_LOONGSON1B
  1065. bool "Loongson 1B"
  1066. depends on SYS_HAS_CPU_LOONGSON1B
  1067. select CPU_LOONGSON1
  1068. help
  1069. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1070. release 2 instruction set.
  1071. config CPU_MIPS32_R1
  1072. bool "MIPS32 Release 1"
  1073. depends on SYS_HAS_CPU_MIPS32_R1
  1074. select CPU_HAS_PREFETCH
  1075. select CPU_SUPPORTS_32BIT_KERNEL
  1076. select CPU_SUPPORTS_HIGHMEM
  1077. help
  1078. Choose this option to build a kernel for release 1 or later of the
  1079. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1080. MIPS processor are based on a MIPS32 processor. If you know the
  1081. specific type of processor in your system, choose those that one
  1082. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1083. Release 2 of the MIPS32 architecture is available since several
  1084. years so chances are you even have a MIPS32 Release 2 processor
  1085. in which case you should choose CPU_MIPS32_R2 instead for better
  1086. performance.
  1087. config CPU_MIPS32_R2
  1088. bool "MIPS32 Release 2"
  1089. depends on SYS_HAS_CPU_MIPS32_R2
  1090. select CPU_HAS_PREFETCH
  1091. select CPU_SUPPORTS_32BIT_KERNEL
  1092. select CPU_SUPPORTS_HIGHMEM
  1093. help
  1094. Choose this option to build a kernel for release 2 or later of the
  1095. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1096. MIPS processor are based on a MIPS32 processor. If you know the
  1097. specific type of processor in your system, choose those that one
  1098. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1099. config CPU_MIPS64_R1
  1100. bool "MIPS64 Release 1"
  1101. depends on SYS_HAS_CPU_MIPS64_R1
  1102. select CPU_HAS_PREFETCH
  1103. select CPU_SUPPORTS_32BIT_KERNEL
  1104. select CPU_SUPPORTS_64BIT_KERNEL
  1105. select CPU_SUPPORTS_HIGHMEM
  1106. select CPU_SUPPORTS_HUGEPAGES
  1107. help
  1108. Choose this option to build a kernel for release 1 or later of the
  1109. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1110. MIPS processor are based on a MIPS64 processor. If you know the
  1111. specific type of processor in your system, choose those that one
  1112. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1113. Release 2 of the MIPS64 architecture is available since several
  1114. years so chances are you even have a MIPS64 Release 2 processor
  1115. in which case you should choose CPU_MIPS64_R2 instead for better
  1116. performance.
  1117. config CPU_MIPS64_R2
  1118. bool "MIPS64 Release 2"
  1119. depends on SYS_HAS_CPU_MIPS64_R2
  1120. select CPU_HAS_PREFETCH
  1121. select CPU_SUPPORTS_32BIT_KERNEL
  1122. select CPU_SUPPORTS_64BIT_KERNEL
  1123. select CPU_SUPPORTS_HIGHMEM
  1124. select CPU_SUPPORTS_HUGEPAGES
  1125. help
  1126. Choose this option to build a kernel for release 2 or later of the
  1127. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1128. MIPS processor are based on a MIPS64 processor. If you know the
  1129. specific type of processor in your system, choose those that one
  1130. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1131. config CPU_R3000
  1132. bool "R3000"
  1133. depends on SYS_HAS_CPU_R3000
  1134. select CPU_HAS_WB
  1135. select CPU_SUPPORTS_32BIT_KERNEL
  1136. select CPU_SUPPORTS_HIGHMEM
  1137. help
  1138. Please make sure to pick the right CPU type. Linux/MIPS is not
  1139. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1140. *not* work on R4000 machines and vice versa. However, since most
  1141. of the supported machines have an R4000 (or similar) CPU, R4x00
  1142. might be a safe bet. If the resulting kernel does not work,
  1143. try to recompile with R3000.
  1144. config CPU_TX39XX
  1145. bool "R39XX"
  1146. depends on SYS_HAS_CPU_TX39XX
  1147. select CPU_SUPPORTS_32BIT_KERNEL
  1148. config CPU_VR41XX
  1149. bool "R41xx"
  1150. depends on SYS_HAS_CPU_VR41XX
  1151. select CPU_SUPPORTS_32BIT_KERNEL
  1152. select CPU_SUPPORTS_64BIT_KERNEL
  1153. help
  1154. The options selects support for the NEC VR4100 series of processors.
  1155. Only choose this option if you have one of these processors as a
  1156. kernel built with this option will not run on any other type of
  1157. processor or vice versa.
  1158. config CPU_R4300
  1159. bool "R4300"
  1160. depends on SYS_HAS_CPU_R4300
  1161. select CPU_SUPPORTS_32BIT_KERNEL
  1162. select CPU_SUPPORTS_64BIT_KERNEL
  1163. help
  1164. MIPS Technologies R4300-series processors.
  1165. config CPU_R4X00
  1166. bool "R4x00"
  1167. depends on SYS_HAS_CPU_R4X00
  1168. select CPU_SUPPORTS_32BIT_KERNEL
  1169. select CPU_SUPPORTS_64BIT_KERNEL
  1170. select CPU_SUPPORTS_HUGEPAGES
  1171. help
  1172. MIPS Technologies R4000-series processors other than 4300, including
  1173. the R4000, R4400, R4600, and 4700.
  1174. config CPU_TX49XX
  1175. bool "R49XX"
  1176. depends on SYS_HAS_CPU_TX49XX
  1177. select CPU_HAS_PREFETCH
  1178. select CPU_SUPPORTS_32BIT_KERNEL
  1179. select CPU_SUPPORTS_64BIT_KERNEL
  1180. select CPU_SUPPORTS_HUGEPAGES
  1181. config CPU_R5000
  1182. bool "R5000"
  1183. depends on SYS_HAS_CPU_R5000
  1184. select CPU_SUPPORTS_32BIT_KERNEL
  1185. select CPU_SUPPORTS_64BIT_KERNEL
  1186. select CPU_SUPPORTS_HUGEPAGES
  1187. help
  1188. MIPS Technologies R5000-series processors other than the Nevada.
  1189. config CPU_R5432
  1190. bool "R5432"
  1191. depends on SYS_HAS_CPU_R5432
  1192. select CPU_SUPPORTS_32BIT_KERNEL
  1193. select CPU_SUPPORTS_64BIT_KERNEL
  1194. select CPU_SUPPORTS_HUGEPAGES
  1195. config CPU_R5500
  1196. bool "R5500"
  1197. depends on SYS_HAS_CPU_R5500
  1198. select CPU_SUPPORTS_32BIT_KERNEL
  1199. select CPU_SUPPORTS_64BIT_KERNEL
  1200. select CPU_SUPPORTS_HUGEPAGES
  1201. help
  1202. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1203. instruction set.
  1204. config CPU_R6000
  1205. bool "R6000"
  1206. depends on SYS_HAS_CPU_R6000
  1207. select CPU_SUPPORTS_32BIT_KERNEL
  1208. help
  1209. MIPS Technologies R6000 and R6000A series processors. Note these
  1210. processors are extremely rare and the support for them is incomplete.
  1211. config CPU_NEVADA
  1212. bool "RM52xx"
  1213. depends on SYS_HAS_CPU_NEVADA
  1214. select CPU_SUPPORTS_32BIT_KERNEL
  1215. select CPU_SUPPORTS_64BIT_KERNEL
  1216. select CPU_SUPPORTS_HUGEPAGES
  1217. help
  1218. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1219. config CPU_R8000
  1220. bool "R8000"
  1221. depends on SYS_HAS_CPU_R8000
  1222. select CPU_HAS_PREFETCH
  1223. select CPU_SUPPORTS_64BIT_KERNEL
  1224. help
  1225. MIPS Technologies R8000 processors. Note these processors are
  1226. uncommon and the support for them is incomplete.
  1227. config CPU_R10000
  1228. bool "R10000"
  1229. depends on SYS_HAS_CPU_R10000
  1230. select CPU_HAS_PREFETCH
  1231. select CPU_SUPPORTS_32BIT_KERNEL
  1232. select CPU_SUPPORTS_64BIT_KERNEL
  1233. select CPU_SUPPORTS_HIGHMEM
  1234. select CPU_SUPPORTS_HUGEPAGES
  1235. help
  1236. MIPS Technologies R10000-series processors.
  1237. config CPU_RM7000
  1238. bool "RM7000"
  1239. depends on SYS_HAS_CPU_RM7000
  1240. select CPU_HAS_PREFETCH
  1241. select CPU_SUPPORTS_32BIT_KERNEL
  1242. select CPU_SUPPORTS_64BIT_KERNEL
  1243. select CPU_SUPPORTS_HIGHMEM
  1244. select CPU_SUPPORTS_HUGEPAGES
  1245. config CPU_SB1
  1246. bool "SB1"
  1247. depends on SYS_HAS_CPU_SB1
  1248. select CPU_SUPPORTS_32BIT_KERNEL
  1249. select CPU_SUPPORTS_64BIT_KERNEL
  1250. select CPU_SUPPORTS_HIGHMEM
  1251. select CPU_SUPPORTS_HUGEPAGES
  1252. select WEAK_ORDERING
  1253. config CPU_CAVIUM_OCTEON
  1254. bool "Cavium Octeon processor"
  1255. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1256. select ARCH_SPARSEMEM_ENABLE
  1257. select CPU_HAS_PREFETCH
  1258. select CPU_SUPPORTS_64BIT_KERNEL
  1259. select SYS_SUPPORTS_SMP
  1260. select NR_CPUS_DEFAULT_16
  1261. select WEAK_ORDERING
  1262. select CPU_SUPPORTS_HIGHMEM
  1263. select CPU_SUPPORTS_HUGEPAGES
  1264. select LIBFDT
  1265. select USE_OF
  1266. help
  1267. The Cavium Octeon processor is a highly integrated chip containing
  1268. many ethernet hardware widgets for networking tasks. The processor
  1269. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1270. Full details can be found at http://www.caviumnetworks.com.
  1271. config CPU_BMIPS3300
  1272. bool "BMIPS3300"
  1273. depends on SYS_HAS_CPU_BMIPS3300
  1274. select CPU_BMIPS
  1275. help
  1276. Broadcom BMIPS3300 processors.
  1277. config CPU_BMIPS4350
  1278. bool "BMIPS4350"
  1279. depends on SYS_HAS_CPU_BMIPS4350
  1280. select CPU_BMIPS
  1281. select SYS_SUPPORTS_SMP
  1282. select SYS_SUPPORTS_HOTPLUG_CPU
  1283. help
  1284. Broadcom BMIPS4350 ("VIPER") processors.
  1285. config CPU_BMIPS4380
  1286. bool "BMIPS4380"
  1287. depends on SYS_HAS_CPU_BMIPS4380
  1288. select CPU_BMIPS
  1289. select SYS_SUPPORTS_SMP
  1290. select SYS_SUPPORTS_HOTPLUG_CPU
  1291. help
  1292. Broadcom BMIPS4380 processors.
  1293. config CPU_BMIPS5000
  1294. bool "BMIPS5000"
  1295. depends on SYS_HAS_CPU_BMIPS5000
  1296. select CPU_BMIPS
  1297. select CPU_SUPPORTS_HIGHMEM
  1298. select MIPS_CPU_SCACHE
  1299. select SYS_SUPPORTS_SMP
  1300. select SYS_SUPPORTS_HOTPLUG_CPU
  1301. help
  1302. Broadcom BMIPS5000 processors.
  1303. config CPU_XLR
  1304. bool "Netlogic XLR SoC"
  1305. depends on SYS_HAS_CPU_XLR
  1306. select CPU_SUPPORTS_32BIT_KERNEL
  1307. select CPU_SUPPORTS_64BIT_KERNEL
  1308. select CPU_SUPPORTS_HIGHMEM
  1309. select CPU_SUPPORTS_HUGEPAGES
  1310. select WEAK_ORDERING
  1311. select WEAK_REORDERING_BEYOND_LLSC
  1312. help
  1313. Netlogic Microsystems XLR/XLS processors.
  1314. config CPU_XLP
  1315. bool "Netlogic XLP SoC"
  1316. depends on SYS_HAS_CPU_XLP
  1317. select CPU_SUPPORTS_32BIT_KERNEL
  1318. select CPU_SUPPORTS_64BIT_KERNEL
  1319. select CPU_SUPPORTS_HIGHMEM
  1320. select CPU_HAS_LLSC
  1321. select WEAK_ORDERING
  1322. select WEAK_REORDERING_BEYOND_LLSC
  1323. select CPU_HAS_PREFETCH
  1324. select CPU_MIPSR2
  1325. help
  1326. Netlogic Microsystems XLP processors.
  1327. endchoice
  1328. if CPU_LOONGSON2F
  1329. config CPU_NOP_WORKAROUNDS
  1330. bool
  1331. config CPU_JUMP_WORKAROUNDS
  1332. bool
  1333. config CPU_LOONGSON2F_WORKAROUNDS
  1334. bool "Loongson 2F Workarounds"
  1335. default y
  1336. select CPU_NOP_WORKAROUNDS
  1337. select CPU_JUMP_WORKAROUNDS
  1338. help
  1339. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1340. require workarounds. Without workarounds the system may hang
  1341. unexpectedly. For more information please refer to the gas
  1342. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1343. Loongson 2F03 and later have fixed these issues and no workarounds
  1344. are needed. The workarounds have no significant side effect on them
  1345. but may decrease the performance of the system so this option should
  1346. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1347. systems.
  1348. If unsure, please say Y.
  1349. endif # CPU_LOONGSON2F
  1350. config SYS_SUPPORTS_ZBOOT
  1351. bool
  1352. select HAVE_KERNEL_GZIP
  1353. select HAVE_KERNEL_BZIP2
  1354. select HAVE_KERNEL_LZMA
  1355. select HAVE_KERNEL_LZO
  1356. config SYS_SUPPORTS_ZBOOT_UART16550
  1357. bool
  1358. select SYS_SUPPORTS_ZBOOT
  1359. config CPU_LOONGSON2
  1360. bool
  1361. select CPU_SUPPORTS_32BIT_KERNEL
  1362. select CPU_SUPPORTS_64BIT_KERNEL
  1363. select CPU_SUPPORTS_HIGHMEM
  1364. select CPU_SUPPORTS_HUGEPAGES
  1365. config CPU_LOONGSON1
  1366. bool
  1367. select CPU_MIPS32
  1368. select CPU_MIPSR2
  1369. select CPU_HAS_PREFETCH
  1370. select CPU_SUPPORTS_32BIT_KERNEL
  1371. select CPU_SUPPORTS_HIGHMEM
  1372. config CPU_BMIPS
  1373. bool
  1374. select CPU_MIPS32
  1375. select CPU_SUPPORTS_32BIT_KERNEL
  1376. select DMA_NONCOHERENT
  1377. select IRQ_CPU
  1378. select SWAP_IO_SPACE
  1379. select WEAK_ORDERING
  1380. config SYS_HAS_CPU_LOONGSON2E
  1381. bool
  1382. config SYS_HAS_CPU_LOONGSON2F
  1383. bool
  1384. select CPU_SUPPORTS_CPUFREQ
  1385. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1386. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1387. config SYS_HAS_CPU_LOONGSON1B
  1388. bool
  1389. config SYS_HAS_CPU_MIPS32_R1
  1390. bool
  1391. config SYS_HAS_CPU_MIPS32_R2
  1392. bool
  1393. config SYS_HAS_CPU_MIPS64_R1
  1394. bool
  1395. config SYS_HAS_CPU_MIPS64_R2
  1396. bool
  1397. config SYS_HAS_CPU_R3000
  1398. bool
  1399. config SYS_HAS_CPU_TX39XX
  1400. bool
  1401. config SYS_HAS_CPU_VR41XX
  1402. bool
  1403. config SYS_HAS_CPU_R4300
  1404. bool
  1405. config SYS_HAS_CPU_R4X00
  1406. bool
  1407. config SYS_HAS_CPU_TX49XX
  1408. bool
  1409. config SYS_HAS_CPU_R5000
  1410. bool
  1411. config SYS_HAS_CPU_R5432
  1412. bool
  1413. config SYS_HAS_CPU_R5500
  1414. bool
  1415. config SYS_HAS_CPU_R6000
  1416. bool
  1417. config SYS_HAS_CPU_NEVADA
  1418. bool
  1419. config SYS_HAS_CPU_R8000
  1420. bool
  1421. config SYS_HAS_CPU_R10000
  1422. bool
  1423. config SYS_HAS_CPU_RM7000
  1424. bool
  1425. config SYS_HAS_CPU_SB1
  1426. bool
  1427. config SYS_HAS_CPU_CAVIUM_OCTEON
  1428. bool
  1429. config SYS_HAS_CPU_BMIPS3300
  1430. bool
  1431. config SYS_HAS_CPU_BMIPS4350
  1432. bool
  1433. config SYS_HAS_CPU_BMIPS4380
  1434. bool
  1435. config SYS_HAS_CPU_BMIPS5000
  1436. bool
  1437. config SYS_HAS_CPU_XLR
  1438. bool
  1439. config SYS_HAS_CPU_XLP
  1440. bool
  1441. #
  1442. # CPU may reorder R->R, R->W, W->R, W->W
  1443. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1444. #
  1445. config WEAK_ORDERING
  1446. bool
  1447. #
  1448. # CPU may reorder reads and writes beyond LL/SC
  1449. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1450. #
  1451. config WEAK_REORDERING_BEYOND_LLSC
  1452. bool
  1453. endmenu
  1454. #
  1455. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1456. #
  1457. config CPU_MIPS32
  1458. bool
  1459. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1460. config CPU_MIPS64
  1461. bool
  1462. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1463. #
  1464. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1465. #
  1466. config CPU_MIPSR1
  1467. bool
  1468. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1469. config CPU_MIPSR2
  1470. bool
  1471. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1472. config SYS_SUPPORTS_32BIT_KERNEL
  1473. bool
  1474. config SYS_SUPPORTS_64BIT_KERNEL
  1475. bool
  1476. config CPU_SUPPORTS_32BIT_KERNEL
  1477. bool
  1478. config CPU_SUPPORTS_64BIT_KERNEL
  1479. bool
  1480. config CPU_SUPPORTS_CPUFREQ
  1481. bool
  1482. config CPU_SUPPORTS_ADDRWINCFG
  1483. bool
  1484. config CPU_SUPPORTS_HUGEPAGES
  1485. bool
  1486. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1487. bool
  1488. config MIPS_PGD_C0_CONTEXT
  1489. bool
  1490. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1491. #
  1492. # Set to y for ptrace access to watch registers.
  1493. #
  1494. config HARDWARE_WATCHPOINTS
  1495. bool
  1496. default y if CPU_MIPSR1 || CPU_MIPSR2
  1497. menu "Kernel type"
  1498. choice
  1499. prompt "Kernel code model"
  1500. help
  1501. You should only select this option if you have a workload that
  1502. actually benefits from 64-bit processing or if your machine has
  1503. large memory. You will only be presented a single option in this
  1504. menu if your system does not support both 32-bit and 64-bit kernels.
  1505. config 32BIT
  1506. bool "32-bit kernel"
  1507. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1508. select TRAD_SIGNALS
  1509. help
  1510. Select this option if you want to build a 32-bit kernel.
  1511. config 64BIT
  1512. bool "64-bit kernel"
  1513. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1514. select HAVE_SYSCALL_WRAPPERS
  1515. help
  1516. Select this option if you want to build a 64-bit kernel.
  1517. endchoice
  1518. choice
  1519. prompt "Kernel page size"
  1520. default PAGE_SIZE_4KB
  1521. config PAGE_SIZE_4KB
  1522. bool "4kB"
  1523. depends on !CPU_LOONGSON2
  1524. help
  1525. This option select the standard 4kB Linux page size. On some
  1526. R3000-family processors this is the only available page size. Using
  1527. 4kB page size will minimize memory consumption and is therefore
  1528. recommended for low memory systems.
  1529. config PAGE_SIZE_8KB
  1530. bool "8kB"
  1531. depends on CPU_R8000 || CPU_CAVIUM_OCTEON
  1532. help
  1533. Using 8kB page size will result in higher performance kernel at
  1534. the price of higher memory consumption. This option is available
  1535. only on R8000 and cnMIPS processors. Note that you will need a
  1536. suitable Linux distribution to support this.
  1537. config PAGE_SIZE_16KB
  1538. bool "16kB"
  1539. depends on !CPU_R3000 && !CPU_TX39XX
  1540. help
  1541. Using 16kB page size will result in higher performance kernel at
  1542. the price of higher memory consumption. This option is available on
  1543. all non-R3000 family processors. Note that you will need a suitable
  1544. Linux distribution to support this.
  1545. config PAGE_SIZE_32KB
  1546. bool "32kB"
  1547. depends on CPU_CAVIUM_OCTEON
  1548. help
  1549. Using 32kB page size will result in higher performance kernel at
  1550. the price of higher memory consumption. This option is available
  1551. only on cnMIPS cores. Note that you will need a suitable Linux
  1552. distribution to support this.
  1553. config PAGE_SIZE_64KB
  1554. bool "64kB"
  1555. depends on !CPU_R3000 && !CPU_TX39XX
  1556. help
  1557. Using 64kB page size will result in higher performance kernel at
  1558. the price of higher memory consumption. This option is available on
  1559. all non-R3000 family processor. Not that at the time of this
  1560. writing this option is still high experimental.
  1561. endchoice
  1562. config FORCE_MAX_ZONEORDER
  1563. int "Maximum zone order"
  1564. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1565. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1566. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1567. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1568. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1569. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1570. range 11 64
  1571. default "11"
  1572. help
  1573. The kernel memory allocator divides physically contiguous memory
  1574. blocks into "zones", where each zone is a power of two number of
  1575. pages. This option selects the largest power of two that the kernel
  1576. keeps in the memory allocator. If you need to allocate very large
  1577. blocks of physically contiguous memory, then you may need to
  1578. increase this value.
  1579. This config option is actually maximum order plus one. For example,
  1580. a value of 11 means that the largest free memory block is 2^10 pages.
  1581. The page size is not necessarily 4KB. Keep this in mind
  1582. when choosing a value for this option.
  1583. config BOARD_SCACHE
  1584. bool
  1585. config IP22_CPU_SCACHE
  1586. bool
  1587. select BOARD_SCACHE
  1588. #
  1589. # Support for a MIPS32 / MIPS64 style S-caches
  1590. #
  1591. config MIPS_CPU_SCACHE
  1592. bool
  1593. select BOARD_SCACHE
  1594. config R5000_CPU_SCACHE
  1595. bool
  1596. select BOARD_SCACHE
  1597. config RM7000_CPU_SCACHE
  1598. bool
  1599. select BOARD_SCACHE
  1600. config SIBYTE_DMA_PAGEOPS
  1601. bool "Use DMA to clear/copy pages"
  1602. depends on CPU_SB1
  1603. help
  1604. Instead of using the CPU to zero and copy pages, use a Data Mover
  1605. channel. These DMA channels are otherwise unused by the standard
  1606. SiByte Linux port. Seems to give a small performance benefit.
  1607. config CPU_HAS_PREFETCH
  1608. bool
  1609. config CPU_GENERIC_DUMP_TLB
  1610. bool
  1611. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1612. config CPU_R4K_FPU
  1613. bool
  1614. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1615. config CPU_R4K_CACHE_TLB
  1616. bool
  1617. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1618. choice
  1619. prompt "MIPS MT options"
  1620. config MIPS_MT_DISABLED
  1621. bool "Disable multithreading support."
  1622. help
  1623. Use this option if your workload can't take advantage of
  1624. MIPS hardware multithreading support. On systems that don't have
  1625. the option of an MT-enabled processor this option will be the only
  1626. option in this menu.
  1627. config MIPS_MT_SMP
  1628. bool "Use 1 TC on each available VPE for SMP"
  1629. depends on SYS_SUPPORTS_MULTITHREADING
  1630. select CPU_MIPSR2_IRQ_VI
  1631. select CPU_MIPSR2_IRQ_EI
  1632. select MIPS_MT
  1633. select NR_CPUS_DEFAULT_2
  1634. select SMP
  1635. select SYS_SUPPORTS_SCHED_SMT if SMP
  1636. select SYS_SUPPORTS_SMP
  1637. select SMP_UP
  1638. select MIPS_PERF_SHARED_TC_COUNTERS
  1639. help
  1640. This is a kernel model which is known a VSMP but lately has been
  1641. marketesed into SMVP.
  1642. Virtual SMP uses the processor's VPEs to implement virtual
  1643. processors. In currently available configuration of the 34K processor
  1644. this allows for a dual processor. Both processors will share the same
  1645. primary caches; each will obtain the half of the TLB for it's own
  1646. exclusive use. For a layman this model can be described as similar to
  1647. what Intel calls Hyperthreading.
  1648. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1649. config MIPS_MT_SMTC
  1650. bool "SMTC: Use all TCs on all VPEs for SMP"
  1651. depends on CPU_MIPS32_R2
  1652. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1653. depends on SYS_SUPPORTS_MULTITHREADING
  1654. select CPU_MIPSR2_IRQ_VI
  1655. select CPU_MIPSR2_IRQ_EI
  1656. select MIPS_MT
  1657. select NR_CPUS_DEFAULT_8
  1658. select SMP
  1659. select SYS_SUPPORTS_SMP
  1660. select SMP_UP
  1661. help
  1662. This is a kernel model which is known a SMTC or lately has been
  1663. marketesed into SMVP.
  1664. is presenting the available TC's of the core as processors to Linux.
  1665. On currently available 34K processors this means a Linux system will
  1666. see up to 5 processors. The implementation of the SMTC kernel differs
  1667. significantly from VSMP and cannot efficiently coexist in the same
  1668. kernel binary so the choice between VSMP and SMTC is a compile time
  1669. decision.
  1670. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1671. endchoice
  1672. config MIPS_MT
  1673. bool
  1674. config SCHED_SMT
  1675. bool "SMT (multithreading) scheduler support"
  1676. depends on SYS_SUPPORTS_SCHED_SMT
  1677. default n
  1678. help
  1679. SMT scheduler support improves the CPU scheduler's decision making
  1680. when dealing with MIPS MT enabled cores at a cost of slightly
  1681. increased overhead in some places. If unsure say N here.
  1682. config SYS_SUPPORTS_SCHED_SMT
  1683. bool
  1684. config SYS_SUPPORTS_MULTITHREADING
  1685. bool
  1686. config MIPS_MT_FPAFF
  1687. bool "Dynamic FPU affinity for FP-intensive threads"
  1688. default y
  1689. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1690. config MIPS_VPE_LOADER
  1691. bool "VPE loader support."
  1692. depends on SYS_SUPPORTS_MULTITHREADING
  1693. select CPU_MIPSR2_IRQ_VI
  1694. select CPU_MIPSR2_IRQ_EI
  1695. select MIPS_MT
  1696. help
  1697. Includes a loader for loading an elf relocatable object
  1698. onto another VPE and running it.
  1699. config MIPS_MT_SMTC_IM_BACKSTOP
  1700. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1701. depends on MIPS_MT_SMTC
  1702. default n
  1703. help
  1704. To support multiple TC microthreads acting as "CPUs" within
  1705. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1706. during interrupt handling. To support legacy drivers and interrupt
  1707. controller management code, SMTC has a "backstop" to track and
  1708. if necessary restore the interrupt mask. This has some performance
  1709. impact on interrupt service overhead.
  1710. config MIPS_MT_SMTC_IRQAFF
  1711. bool "Support IRQ affinity API"
  1712. depends on MIPS_MT_SMTC
  1713. default n
  1714. help
  1715. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1716. for SMTC Linux kernel. Requires platform support, of which
  1717. an example can be found in the MIPS kernel i8259 and Malta
  1718. platform code. Adds some overhead to interrupt dispatch, and
  1719. should be used only if you know what you are doing.
  1720. config MIPS_VPE_LOADER_TOM
  1721. bool "Load VPE program into memory hidden from linux"
  1722. depends on MIPS_VPE_LOADER
  1723. default y
  1724. help
  1725. The loader can use memory that is present but has been hidden from
  1726. Linux using the kernel command line option "mem=xxMB". It's up to
  1727. you to ensure the amount you put in the option and the space your
  1728. program requires is less or equal to the amount physically present.
  1729. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1730. config MIPS_VPE_APSP_API
  1731. bool "Enable support for AP/SP API (RTLX)"
  1732. depends on MIPS_VPE_LOADER
  1733. help
  1734. config MIPS_CMP
  1735. bool "MIPS CMP framework support"
  1736. depends on SYS_SUPPORTS_MIPS_CMP
  1737. select SYNC_R4K
  1738. select SYS_SUPPORTS_SMP
  1739. select SYS_SUPPORTS_SCHED_SMT if SMP
  1740. select WEAK_ORDERING
  1741. default n
  1742. help
  1743. This is a placeholder option for the GCMP work. It will need to
  1744. be handled differently...
  1745. config SB1_PASS_1_WORKAROUNDS
  1746. bool
  1747. depends on CPU_SB1_PASS_1
  1748. default y
  1749. config SB1_PASS_2_WORKAROUNDS
  1750. bool
  1751. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1752. default y
  1753. config SB1_PASS_2_1_WORKAROUNDS
  1754. bool
  1755. depends on CPU_SB1 && CPU_SB1_PASS_2
  1756. default y
  1757. config 64BIT_PHYS_ADDR
  1758. bool
  1759. config ARCH_PHYS_ADDR_T_64BIT
  1760. def_bool 64BIT_PHYS_ADDR
  1761. config CPU_HAS_SMARTMIPS
  1762. depends on SYS_SUPPORTS_SMARTMIPS
  1763. bool "Support for the SmartMIPS ASE"
  1764. help
  1765. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1766. increased security at both hardware and software level for
  1767. smartcards. Enabling this option will allow proper use of the
  1768. SmartMIPS instructions by Linux applications. However a kernel with
  1769. this option will not work on a MIPS core without SmartMIPS core. If
  1770. you don't know you probably don't have SmartMIPS and should say N
  1771. here.
  1772. config CPU_HAS_WB
  1773. bool
  1774. config XKS01
  1775. bool
  1776. #
  1777. # Vectored interrupt mode is an R2 feature
  1778. #
  1779. config CPU_MIPSR2_IRQ_VI
  1780. bool
  1781. #
  1782. # Extended interrupt mode is an R2 feature
  1783. #
  1784. config CPU_MIPSR2_IRQ_EI
  1785. bool
  1786. config CPU_HAS_SYNC
  1787. bool
  1788. depends on !CPU_R3000
  1789. default y
  1790. #
  1791. # CPU non-features
  1792. #
  1793. config CPU_DADDI_WORKAROUNDS
  1794. bool
  1795. config CPU_R4000_WORKAROUNDS
  1796. bool
  1797. select CPU_R4400_WORKAROUNDS
  1798. config CPU_R4400_WORKAROUNDS
  1799. bool
  1800. #
  1801. # - Highmem only makes sense for the 32-bit kernel.
  1802. # - The current highmem code will only work properly on physically indexed
  1803. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1804. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1805. # moment we protect the user and offer the highmem option only on machines
  1806. # where it's known to be safe. This will not offer highmem on a few systems
  1807. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1808. # indexed CPUs but we're playing safe.
  1809. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1810. # know they might have memory configurations that could make use of highmem
  1811. # support.
  1812. #
  1813. config HIGHMEM
  1814. bool "High Memory Support"
  1815. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1816. config CPU_SUPPORTS_HIGHMEM
  1817. bool
  1818. config SYS_SUPPORTS_HIGHMEM
  1819. bool
  1820. config SYS_SUPPORTS_SMARTMIPS
  1821. bool
  1822. config ARCH_FLATMEM_ENABLE
  1823. def_bool y
  1824. depends on !NUMA && !CPU_LOONGSON2
  1825. config ARCH_DISCONTIGMEM_ENABLE
  1826. bool
  1827. default y if SGI_IP27
  1828. help
  1829. Say Y to support efficient handling of discontiguous physical memory,
  1830. for architectures which are either NUMA (Non-Uniform Memory Access)
  1831. or have huge holes in the physical address space for other reasons.
  1832. See <file:Documentation/vm/numa> for more.
  1833. config ARCH_SPARSEMEM_ENABLE
  1834. bool
  1835. select SPARSEMEM_STATIC
  1836. config NUMA
  1837. bool "NUMA Support"
  1838. depends on SYS_SUPPORTS_NUMA
  1839. help
  1840. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1841. Access). This option improves performance on systems with more
  1842. than two nodes; on two node systems it is generally better to
  1843. leave it disabled; on single node systems disable this option
  1844. disabled.
  1845. config SYS_SUPPORTS_NUMA
  1846. bool
  1847. config NODES_SHIFT
  1848. int
  1849. default "6"
  1850. depends on NEED_MULTIPLE_NODES
  1851. config HW_PERF_EVENTS
  1852. bool "Enable hardware performance counter support for perf events"
  1853. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1854. default y
  1855. help
  1856. Enable hardware performance counter support for perf events. If
  1857. disabled, perf events will use software events only.
  1858. source "mm/Kconfig"
  1859. config SMP
  1860. bool "Multi-Processing support"
  1861. depends on SYS_SUPPORTS_SMP
  1862. select USE_GENERIC_SMP_HELPERS
  1863. help
  1864. This enables support for systems with more than one CPU. If you have
  1865. a system with only one CPU, like most personal computers, say N. If
  1866. you have a system with more than one CPU, say Y.
  1867. If you say N here, the kernel will run on single and multiprocessor
  1868. machines, but will use only one CPU of a multiprocessor machine. If
  1869. you say Y here, the kernel will run on many, but not all,
  1870. singleprocessor machines. On a singleprocessor machine, the kernel
  1871. will run faster if you say N here.
  1872. People using multiprocessor machines who say Y here should also say
  1873. Y to "Enhanced Real Time Clock Support", below.
  1874. See also the SMP-HOWTO available at
  1875. <http://www.tldp.org/docs.html#howto>.
  1876. If you don't know what to do here, say N.
  1877. config SMP_UP
  1878. bool
  1879. config SYS_SUPPORTS_MIPS_CMP
  1880. bool
  1881. config SYS_SUPPORTS_SMP
  1882. bool
  1883. config NR_CPUS_DEFAULT_1
  1884. bool
  1885. config NR_CPUS_DEFAULT_2
  1886. bool
  1887. config NR_CPUS_DEFAULT_4
  1888. bool
  1889. config NR_CPUS_DEFAULT_8
  1890. bool
  1891. config NR_CPUS_DEFAULT_16
  1892. bool
  1893. config NR_CPUS_DEFAULT_32
  1894. bool
  1895. config NR_CPUS_DEFAULT_64
  1896. bool
  1897. config NR_CPUS
  1898. int "Maximum number of CPUs (2-64)"
  1899. range 1 64 if NR_CPUS_DEFAULT_1
  1900. depends on SMP
  1901. default "1" if NR_CPUS_DEFAULT_1
  1902. default "2" if NR_CPUS_DEFAULT_2
  1903. default "4" if NR_CPUS_DEFAULT_4
  1904. default "8" if NR_CPUS_DEFAULT_8
  1905. default "16" if NR_CPUS_DEFAULT_16
  1906. default "32" if NR_CPUS_DEFAULT_32
  1907. default "64" if NR_CPUS_DEFAULT_64
  1908. help
  1909. This allows you to specify the maximum number of CPUs which this
  1910. kernel will support. The maximum supported value is 32 for 32-bit
  1911. kernel and 64 for 64-bit kernels; the minimum value which makes
  1912. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1913. and 2 for all others.
  1914. This is purely to save memory - each supported CPU adds
  1915. approximately eight kilobytes to the kernel image. For best
  1916. performance should round up your number of processors to the next
  1917. power of two.
  1918. config MIPS_PERF_SHARED_TC_COUNTERS
  1919. bool
  1920. #
  1921. # Timer Interrupt Frequency Configuration
  1922. #
  1923. choice
  1924. prompt "Timer frequency"
  1925. default HZ_250
  1926. help
  1927. Allows the configuration of the timer frequency.
  1928. config HZ_48
  1929. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1930. config HZ_100
  1931. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1932. config HZ_128
  1933. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1934. config HZ_250
  1935. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1936. config HZ_256
  1937. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1938. config HZ_1000
  1939. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1940. config HZ_1024
  1941. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1942. endchoice
  1943. config SYS_SUPPORTS_48HZ
  1944. bool
  1945. config SYS_SUPPORTS_100HZ
  1946. bool
  1947. config SYS_SUPPORTS_128HZ
  1948. bool
  1949. config SYS_SUPPORTS_250HZ
  1950. bool
  1951. config SYS_SUPPORTS_256HZ
  1952. bool
  1953. config SYS_SUPPORTS_1000HZ
  1954. bool
  1955. config SYS_SUPPORTS_1024HZ
  1956. bool
  1957. config SYS_SUPPORTS_ARBIT_HZ
  1958. bool
  1959. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1960. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1961. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1962. !SYS_SUPPORTS_1024HZ
  1963. config HZ
  1964. int
  1965. default 48 if HZ_48
  1966. default 100 if HZ_100
  1967. default 128 if HZ_128
  1968. default 250 if HZ_250
  1969. default 256 if HZ_256
  1970. default 1000 if HZ_1000
  1971. default 1024 if HZ_1024
  1972. source "kernel/Kconfig.preempt"
  1973. config KEXEC
  1974. bool "Kexec system call"
  1975. help
  1976. kexec is a system call that implements the ability to shutdown your
  1977. current kernel, and to start another kernel. It is like a reboot
  1978. but it is independent of the system firmware. And like a reboot
  1979. you can start any kernel with it, not just Linux.
  1980. The name comes from the similarity to the exec system call.
  1981. It is an ongoing process to be certain the hardware in a machine
  1982. is properly shutdown, so do not be surprised if this code does not
  1983. initially work for you. It may help to enable device hotplugging
  1984. support. As of this writing the exact hardware interface is
  1985. strongly in flux, so no good recommendation can be made.
  1986. config CRASH_DUMP
  1987. bool "Kernel crash dumps"
  1988. help
  1989. Generate crash dump after being started by kexec.
  1990. This should be normally only set in special crash dump kernels
  1991. which are loaded in the main kernel with kexec-tools into
  1992. a specially reserved region and then later executed after
  1993. a crash by kdump/kexec. The crash dump kernel must be compiled
  1994. to a memory address not used by the main kernel or firmware using
  1995. PHYSICAL_START.
  1996. config PHYSICAL_START
  1997. hex "Physical address where the kernel is loaded"
  1998. default "0xffffffff84000000" if 64BIT
  1999. default "0x84000000" if 32BIT
  2000. depends on CRASH_DUMP
  2001. help
  2002. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2003. If you plan to use kernel for capturing the crash dump change
  2004. this value to start of the reserved region (the "X" value as
  2005. specified in the "crashkernel=YM@XM" command line boot parameter
  2006. passed to the panic-ed kernel).
  2007. config SECCOMP
  2008. bool "Enable seccomp to safely compute untrusted bytecode"
  2009. depends on PROC_FS
  2010. default y
  2011. help
  2012. This kernel feature is useful for number crunching applications
  2013. that may need to compute untrusted bytecode during their
  2014. execution. By using pipes or other transports made available to
  2015. the process as file descriptors supporting the read/write
  2016. syscalls, it's possible to isolate those applications in
  2017. their own address space using seccomp. Once seccomp is
  2018. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2019. and the task is only allowed to execute a few safe syscalls
  2020. defined by each seccomp mode.
  2021. If unsure, say Y. Only embedded should say N here.
  2022. config USE_OF
  2023. bool
  2024. select OF
  2025. select OF_EARLY_FLATTREE
  2026. select IRQ_DOMAIN
  2027. endmenu
  2028. config LOCKDEP_SUPPORT
  2029. bool
  2030. default y
  2031. config STACKTRACE_SUPPORT
  2032. bool
  2033. default y
  2034. source "init/Kconfig"
  2035. source "kernel/Kconfig.freezer"
  2036. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2037. config HW_HAS_EISA
  2038. bool
  2039. config HW_HAS_PCI
  2040. bool
  2041. config PCI
  2042. bool "Support for PCI controller"
  2043. depends on HW_HAS_PCI
  2044. select PCI_DOMAINS
  2045. select GENERIC_PCI_IOMAP
  2046. select NO_GENERIC_PCI_IOPORT_MAP
  2047. help
  2048. Find out whether you have a PCI motherboard. PCI is the name of a
  2049. bus system, i.e. the way the CPU talks to the other stuff inside
  2050. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2051. say Y, otherwise N.
  2052. config PCI_DOMAINS
  2053. bool
  2054. source "drivers/pci/Kconfig"
  2055. source "drivers/pci/pcie/Kconfig"
  2056. #
  2057. # ISA support is now enabled via select. Too many systems still have the one
  2058. # or other ISA chip on the board that users don't know about so don't expect
  2059. # users to choose the right thing ...
  2060. #
  2061. config ISA
  2062. bool
  2063. config EISA
  2064. bool "EISA support"
  2065. depends on HW_HAS_EISA
  2066. select ISA
  2067. select GENERIC_ISA_DMA
  2068. ---help---
  2069. The Extended Industry Standard Architecture (EISA) bus was
  2070. developed as an open alternative to the IBM MicroChannel bus.
  2071. The EISA bus provided some of the features of the IBM MicroChannel
  2072. bus while maintaining backward compatibility with cards made for
  2073. the older ISA bus. The EISA bus saw limited use between 1988 and
  2074. 1995 when it was made obsolete by the PCI bus.
  2075. Say Y here if you are building a kernel for an EISA-based machine.
  2076. Otherwise, say N.
  2077. source "drivers/eisa/Kconfig"
  2078. config TC
  2079. bool "TURBOchannel support"
  2080. depends on MACH_DECSTATION
  2081. help
  2082. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2083. processors. TURBOchannel programming specifications are available
  2084. at:
  2085. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2086. and:
  2087. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2088. Linux driver support status is documented at:
  2089. <http://www.linux-mips.org/wiki/DECstation>
  2090. config MMU
  2091. bool
  2092. default y
  2093. config I8253
  2094. bool
  2095. select CLKSRC_I8253
  2096. select CLKEVT_I8253
  2097. select MIPS_EXTERNAL_TIMER
  2098. config ZONE_DMA32
  2099. bool
  2100. source "drivers/pcmcia/Kconfig"
  2101. source "drivers/pci/hotplug/Kconfig"
  2102. config RAPIDIO
  2103. bool "RapidIO support"
  2104. depends on PCI
  2105. default n
  2106. help
  2107. If you say Y here, the kernel will include drivers and
  2108. infrastructure code to support RapidIO interconnect devices.
  2109. source "drivers/rapidio/Kconfig"
  2110. endmenu
  2111. menu "Executable file formats"
  2112. source "fs/Kconfig.binfmt"
  2113. config TRAD_SIGNALS
  2114. bool
  2115. config MIPS32_COMPAT
  2116. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2117. depends on 64BIT
  2118. help
  2119. Select this option if you want Linux/MIPS 32-bit binary
  2120. compatibility. Since all software available for Linux/MIPS is
  2121. currently 32-bit you should say Y here.
  2122. config COMPAT
  2123. bool
  2124. depends on MIPS32_COMPAT
  2125. select ARCH_WANT_OLD_COMPAT_IPC
  2126. default y
  2127. config SYSVIPC_COMPAT
  2128. bool
  2129. depends on COMPAT && SYSVIPC
  2130. default y
  2131. config MIPS32_O32
  2132. bool "Kernel support for o32 binaries"
  2133. depends on MIPS32_COMPAT
  2134. help
  2135. Select this option if you want to run o32 binaries. These are pure
  2136. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2137. existing binaries are in this format.
  2138. If unsure, say Y.
  2139. config MIPS32_N32
  2140. bool "Kernel support for n32 binaries"
  2141. depends on MIPS32_COMPAT
  2142. help
  2143. Select this option if you want to run n32 binaries. These are
  2144. 64-bit binaries using 32-bit quantities for addressing and certain
  2145. data that would normally be 64-bit. They are used in special
  2146. cases.
  2147. If unsure, say N.
  2148. config BINFMT_ELF32
  2149. bool
  2150. default y if MIPS32_O32 || MIPS32_N32
  2151. endmenu
  2152. menu "Power management options"
  2153. config ARCH_HIBERNATION_POSSIBLE
  2154. def_bool y
  2155. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2156. config ARCH_SUSPEND_POSSIBLE
  2157. def_bool y
  2158. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2159. source "kernel/power/Kconfig"
  2160. endmenu
  2161. source "arch/mips/kernel/cpufreq/Kconfig"
  2162. source "net/Kconfig"
  2163. source "drivers/Kconfig"
  2164. source "drivers/firmware/Kconfig"
  2165. source "fs/Kconfig"
  2166. source "arch/mips/Kconfig.debug"
  2167. source "security/Kconfig"
  2168. source "crypto/Kconfig"
  2169. source "lib/Kconfig"