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