Kconfig 62 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select HAVE_GENERIC_DMA_COHERENT
  5. select HAVE_IDE
  6. select HAVE_OPROFILE
  7. select HAVE_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 if CPU_SUPPORTS_HUGEPAGES && 64BIT
  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. select HAVE_DEBUG_STACKOVERFLOW
  46. menu "Machine selection"
  47. config ZONE_DMA
  48. bool
  49. choice
  50. prompt "System type"
  51. default SGI_IP22
  52. config MIPS_ALCHEMY
  53. bool "Alchemy processor based machines"
  54. select 64BIT_PHYS_ADDR
  55. select CEVT_R4K
  56. select CSRC_R4K
  57. select IRQ_CPU
  58. select SYS_HAS_CPU_MIPS32_R1
  59. select SYS_SUPPORTS_32BIT_KERNEL
  60. select SYS_SUPPORTS_APM_EMULATION
  61. select ARCH_REQUIRE_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 BOOT_RAW
  105. select CEVT_R4K
  106. select CSRC_R4K
  107. select DMA_NONCOHERENT
  108. select FW_CFE
  109. select HW_HAS_PCI
  110. select IRQ_CPU
  111. select NO_EXCEPT_FILL
  112. select SYS_SUPPORTS_32BIT_KERNEL
  113. select SYS_SUPPORTS_LITTLE_ENDIAN
  114. select SYS_HAS_EARLY_PRINTK
  115. help
  116. Support for BCM47XX based boards
  117. config BCM63XX
  118. bool "Broadcom BCM63XX based boards"
  119. select CEVT_R4K
  120. select CSRC_R4K
  121. select DMA_NONCOHERENT
  122. select IRQ_CPU
  123. select SYS_HAS_CPU_MIPS32_R1
  124. select SYS_SUPPORTS_32BIT_KERNEL
  125. select SYS_SUPPORTS_BIG_ENDIAN
  126. select SYS_HAS_EARLY_PRINTK
  127. select SWAP_IO_SPACE
  128. select ARCH_REQUIRE_GPIOLIB
  129. select HAVE_CLK
  130. help
  131. Support for BCM63XX based boards
  132. config MIPS_COBALT
  133. bool "Cobalt Server"
  134. select CEVT_R4K
  135. select CSRC_R4K
  136. select CEVT_GT641XX
  137. select DMA_NONCOHERENT
  138. select HW_HAS_PCI
  139. select I8253
  140. select I8259
  141. select IRQ_CPU
  142. select IRQ_GT641XX
  143. select PCI_GT64XXX_PCI0
  144. select PCI
  145. select SYS_HAS_CPU_NEVADA
  146. select SYS_HAS_EARLY_PRINTK
  147. select SYS_SUPPORTS_32BIT_KERNEL
  148. select SYS_SUPPORTS_64BIT_KERNEL
  149. select SYS_SUPPORTS_LITTLE_ENDIAN
  150. config MACH_DECSTATION
  151. bool "DECstations"
  152. select BOOT_ELF32
  153. select CEVT_DS1287
  154. select CEVT_R4K
  155. select CSRC_IOASIC
  156. select CSRC_R4K
  157. select CPU_DADDI_WORKAROUNDS if 64BIT
  158. select CPU_R4000_WORKAROUNDS if 64BIT
  159. select CPU_R4400_WORKAROUNDS if 64BIT
  160. select DMA_NONCOHERENT
  161. select NO_IOPORT
  162. select IRQ_CPU
  163. select SYS_HAS_CPU_R3000
  164. select SYS_HAS_CPU_R4X00
  165. select SYS_SUPPORTS_32BIT_KERNEL
  166. select SYS_SUPPORTS_64BIT_KERNEL
  167. select SYS_SUPPORTS_LITTLE_ENDIAN
  168. select SYS_SUPPORTS_128HZ
  169. select SYS_SUPPORTS_256HZ
  170. select SYS_SUPPORTS_1024HZ
  171. help
  172. This enables support for DEC's MIPS based workstations. For details
  173. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  174. DECstation porting pages on <http://decstation.unix-ag.org/>.
  175. If you have one of the following DECstation Models you definitely
  176. want to choose R4xx0 for the CPU Type:
  177. DECstation 5000/50
  178. DECstation 5000/150
  179. DECstation 5000/260
  180. DECsystem 5900/260
  181. otherwise choose R3000.
  182. config MACH_JAZZ
  183. bool "Jazz family of machines"
  184. select FW_ARC
  185. select FW_ARC32
  186. select ARCH_MAY_HAVE_PC_FDC
  187. select CEVT_R4K
  188. select CSRC_R4K
  189. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  190. select GENERIC_ISA_DMA
  191. select HAVE_PCSPKR_PLATFORM
  192. select IRQ_CPU
  193. select I8253
  194. select I8259
  195. select ISA
  196. select SYS_HAS_CPU_R4X00
  197. select SYS_SUPPORTS_32BIT_KERNEL
  198. select SYS_SUPPORTS_64BIT_KERNEL
  199. select SYS_SUPPORTS_100HZ
  200. help
  201. This a family of machines based on the MIPS R4030 chipset which was
  202. used by several vendors to build RISC/os and Windows NT workstations.
  203. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  204. Olivetti M700-10 workstations.
  205. config MACH_JZ4740
  206. bool "Ingenic JZ4740 based machines"
  207. select SYS_HAS_CPU_MIPS32_R1
  208. select SYS_SUPPORTS_32BIT_KERNEL
  209. select SYS_SUPPORTS_LITTLE_ENDIAN
  210. select SYS_SUPPORTS_ZBOOT_UART16550
  211. select DMA_NONCOHERENT
  212. select IRQ_CPU
  213. select ARCH_REQUIRE_GPIOLIB
  214. select SYS_HAS_EARLY_PRINTK
  215. select HAVE_PWM
  216. select HAVE_CLK
  217. select GENERIC_IRQ_CHIP
  218. config LANTIQ
  219. bool "Lantiq based platforms"
  220. select DMA_NONCOHERENT
  221. select IRQ_CPU
  222. select CEVT_R4K
  223. select CSRC_R4K
  224. select SYS_HAS_CPU_MIPS32_R1
  225. select SYS_HAS_CPU_MIPS32_R2
  226. select SYS_SUPPORTS_BIG_ENDIAN
  227. select SYS_SUPPORTS_32BIT_KERNEL
  228. select SYS_SUPPORTS_MULTITHREADING
  229. select SYS_HAS_EARLY_PRINTK
  230. select ARCH_REQUIRE_GPIOLIB
  231. select SWAP_IO_SPACE
  232. select BOOT_RAW
  233. select HAVE_MACH_CLKDEV
  234. select CLKDEV_LOOKUP
  235. select USE_OF
  236. select PINCTRL
  237. select PINCTRL_LANTIQ
  238. config LASAT
  239. bool "LASAT Networks platforms"
  240. select CEVT_R4K
  241. select CSRC_R4K
  242. select DMA_NONCOHERENT
  243. select SYS_HAS_EARLY_PRINTK
  244. select HW_HAS_PCI
  245. select IRQ_CPU
  246. select PCI_GT64XXX_PCI0
  247. select MIPS_NILE4
  248. select R5000_CPU_SCACHE
  249. select SYS_HAS_CPU_R5000
  250. select SYS_SUPPORTS_32BIT_KERNEL
  251. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  252. select SYS_SUPPORTS_LITTLE_ENDIAN
  253. config MACH_LOONGSON
  254. bool "Loongson family of machines"
  255. select SYS_SUPPORTS_ZBOOT
  256. help
  257. This enables the support of Loongson family of machines.
  258. Loongson is a family of general-purpose MIPS-compatible CPUs.
  259. developed at Institute of Computing Technology (ICT),
  260. Chinese Academy of Sciences (CAS) in the People's Republic
  261. of China. The chief architect is Professor Weiwu Hu.
  262. config MACH_LOONGSON1
  263. bool "Loongson 1 family of machines"
  264. select SYS_SUPPORTS_ZBOOT
  265. help
  266. This enables support for the Loongson 1 based machines.
  267. Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
  268. the ICT (Institute of Computing Technology) and the Chinese Academy
  269. of Sciences.
  270. config MIPS_MALTA
  271. bool "MIPS Malta board"
  272. select ARCH_MAY_HAVE_PC_FDC
  273. select BOOT_ELF32
  274. select BOOT_RAW
  275. select CEVT_R4K
  276. select CSRC_R4K
  277. select CSRC_GIC
  278. select DMA_NONCOHERENT
  279. select GENERIC_ISA_DMA
  280. select HAVE_PCSPKR_PLATFORM
  281. select IRQ_CPU
  282. select IRQ_GIC
  283. select HW_HAS_PCI
  284. select I8253
  285. select I8259
  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 CSRC_GIC
  316. select CPU_MIPSR2_IRQ_VI
  317. select CPU_MIPSR2_IRQ_EI
  318. select DMA_NONCOHERENT
  319. select IRQ_CPU
  320. select IRQ_GIC
  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 SYS_SUPPORTS_MICROMIPS
  333. select USB_ARCH_HAS_EHCI
  334. select USB_EHCI_BIG_ENDIAN_DESC
  335. select USB_EHCI_BIG_ENDIAN_MMIO
  336. select USE_OF
  337. help
  338. This enables support for the MIPS Technologies SEAD3 evaluation
  339. board.
  340. config NEC_MARKEINS
  341. bool "NEC EMMA2RH Mark-eins board"
  342. select SOC_EMMA2RH
  343. select HW_HAS_PCI
  344. help
  345. This enables support for the NEC Electronics Mark-eins boards.
  346. config MACH_VR41XX
  347. bool "NEC VR4100 series based machines"
  348. select CEVT_R4K
  349. select CSRC_R4K
  350. select SYS_HAS_CPU_VR41XX
  351. select ARCH_REQUIRE_GPIOLIB
  352. config NXP_STB220
  353. bool "NXP STB220 board"
  354. select SOC_PNX833X
  355. help
  356. Support for NXP Semiconductors STB220 Development Board.
  357. config NXP_STB225
  358. bool "NXP 225 board"
  359. select SOC_PNX833X
  360. select SOC_PNX8335
  361. help
  362. Support for NXP Semiconductors STB225 Development Board.
  363. config PMC_MSP
  364. bool "PMC-Sierra MSP chipsets"
  365. select CEVT_R4K
  366. select CSRC_R4K
  367. select DMA_NONCOHERENT
  368. select SWAP_IO_SPACE
  369. select NO_EXCEPT_FILL
  370. select BOOT_RAW
  371. select SYS_HAS_CPU_MIPS32_R1
  372. select SYS_HAS_CPU_MIPS32_R2
  373. select SYS_SUPPORTS_32BIT_KERNEL
  374. select SYS_SUPPORTS_BIG_ENDIAN
  375. select IRQ_CPU
  376. select SERIAL_8250
  377. select SERIAL_8250_CONSOLE
  378. select USB_EHCI_BIG_ENDIAN_MMIO
  379. select USB_EHCI_BIG_ENDIAN_DESC
  380. help
  381. This adds support for the PMC-Sierra family of Multi-Service
  382. Processor System-On-A-Chips. These parts include a number
  383. of integrated peripherals, interfaces and DSPs in addition to
  384. a variety of MIPS cores.
  385. config POWERTV
  386. bool "Cisco PowerTV"
  387. select BOOT_ELF32
  388. select CEVT_R4K
  389. select CPU_MIPSR2_IRQ_VI
  390. select CPU_MIPSR2_IRQ_EI
  391. select CSRC_POWERTV
  392. select DMA_NONCOHERENT
  393. select HW_HAS_PCI
  394. select SYS_HAS_EARLY_PRINTK
  395. select SYS_HAS_CPU_MIPS32_R2
  396. select SYS_SUPPORTS_32BIT_KERNEL
  397. select SYS_SUPPORTS_BIG_ENDIAN
  398. select SYS_SUPPORTS_HIGHMEM
  399. select USB_OHCI_LITTLE_ENDIAN
  400. help
  401. This enables support for the Cisco PowerTV Platform.
  402. config RALINK
  403. bool "Ralink based machines"
  404. select CEVT_R4K
  405. select CSRC_R4K
  406. select BOOT_RAW
  407. select DMA_NONCOHERENT
  408. select IRQ_CPU
  409. select USE_OF
  410. select SYS_HAS_CPU_MIPS32_R1
  411. select SYS_HAS_CPU_MIPS32_R2
  412. select SYS_SUPPORTS_32BIT_KERNEL
  413. select SYS_SUPPORTS_LITTLE_ENDIAN
  414. select SYS_HAS_EARLY_PRINTK
  415. select HAVE_MACH_CLKDEV
  416. select CLKDEV_LOOKUP
  417. config SGI_IP22
  418. bool "SGI IP22 (Indy/Indigo2)"
  419. select FW_ARC
  420. select FW_ARC32
  421. select BOOT_ELF32
  422. select CEVT_R4K
  423. select CSRC_R4K
  424. select DEFAULT_SGI_PARTITION
  425. select DMA_NONCOHERENT
  426. select HW_HAS_EISA
  427. select I8253
  428. select I8259
  429. select IP22_CPU_SCACHE
  430. select IRQ_CPU
  431. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  432. select SGI_HAS_I8042
  433. select SGI_HAS_INDYDOG
  434. select SGI_HAS_HAL2
  435. select SGI_HAS_SEEQ
  436. select SGI_HAS_WD93
  437. select SGI_HAS_ZILOG
  438. select SWAP_IO_SPACE
  439. select SYS_HAS_CPU_R4X00
  440. select SYS_HAS_CPU_R5000
  441. #
  442. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  443. # memory during early boot on some machines.
  444. #
  445. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  446. # for a more details discussion
  447. #
  448. # select SYS_HAS_EARLY_PRINTK
  449. select SYS_SUPPORTS_32BIT_KERNEL
  450. select SYS_SUPPORTS_64BIT_KERNEL
  451. select SYS_SUPPORTS_BIG_ENDIAN
  452. help
  453. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  454. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  455. that runs on these, say Y here.
  456. config SGI_IP27
  457. bool "SGI IP27 (Origin200/2000)"
  458. select FW_ARC
  459. select FW_ARC64
  460. select BOOT_ELF64
  461. select DEFAULT_SGI_PARTITION
  462. select DMA_COHERENT
  463. select SYS_HAS_EARLY_PRINTK
  464. select HW_HAS_PCI
  465. select NR_CPUS_DEFAULT_64
  466. select SYS_HAS_CPU_R10000
  467. select SYS_SUPPORTS_64BIT_KERNEL
  468. select SYS_SUPPORTS_BIG_ENDIAN
  469. select SYS_SUPPORTS_NUMA
  470. select SYS_SUPPORTS_SMP
  471. help
  472. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  473. workstations. To compile a Linux kernel that runs on these, say Y
  474. here.
  475. config SGI_IP28
  476. bool "SGI IP28 (Indigo2 R10k)"
  477. select FW_ARC
  478. select FW_ARC64
  479. select BOOT_ELF64
  480. select CEVT_R4K
  481. select CSRC_R4K
  482. select DEFAULT_SGI_PARTITION
  483. select DMA_NONCOHERENT
  484. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  485. select IRQ_CPU
  486. select HW_HAS_EISA
  487. select I8253
  488. select I8259
  489. select SGI_HAS_I8042
  490. select SGI_HAS_INDYDOG
  491. select SGI_HAS_HAL2
  492. select SGI_HAS_SEEQ
  493. select SGI_HAS_WD93
  494. select SGI_HAS_ZILOG
  495. select SWAP_IO_SPACE
  496. select SYS_HAS_CPU_R10000
  497. #
  498. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  499. # memory during early boot on some machines.
  500. #
  501. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  502. # for a more details discussion
  503. #
  504. # select SYS_HAS_EARLY_PRINTK
  505. select SYS_SUPPORTS_64BIT_KERNEL
  506. select SYS_SUPPORTS_BIG_ENDIAN
  507. help
  508. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  509. kernel that runs on these, say Y here.
  510. config SGI_IP32
  511. bool "SGI IP32 (O2)"
  512. select FW_ARC
  513. select FW_ARC32
  514. select BOOT_ELF32
  515. select CEVT_R4K
  516. select CSRC_R4K
  517. select DMA_NONCOHERENT
  518. select HW_HAS_PCI
  519. select IRQ_CPU
  520. select R5000_CPU_SCACHE
  521. select RM7000_CPU_SCACHE
  522. select SYS_HAS_CPU_R5000
  523. select SYS_HAS_CPU_R10000 if BROKEN
  524. select SYS_HAS_CPU_RM7000
  525. select SYS_HAS_CPU_NEVADA
  526. select SYS_SUPPORTS_64BIT_KERNEL
  527. select SYS_SUPPORTS_BIG_ENDIAN
  528. help
  529. If you want this kernel to run on SGI O2 workstation, say Y here.
  530. config SIBYTE_CRHINE
  531. bool "Sibyte BCM91120C-CRhine"
  532. select BOOT_ELF32
  533. select DMA_COHERENT
  534. select SIBYTE_BCM1120
  535. select SWAP_IO_SPACE
  536. select SYS_HAS_CPU_SB1
  537. select SYS_SUPPORTS_BIG_ENDIAN
  538. select SYS_SUPPORTS_LITTLE_ENDIAN
  539. config SIBYTE_CARMEL
  540. bool "Sibyte BCM91120x-Carmel"
  541. select BOOT_ELF32
  542. select DMA_COHERENT
  543. select SIBYTE_BCM1120
  544. select SWAP_IO_SPACE
  545. select SYS_HAS_CPU_SB1
  546. select SYS_SUPPORTS_BIG_ENDIAN
  547. select SYS_SUPPORTS_LITTLE_ENDIAN
  548. config SIBYTE_CRHONE
  549. bool "Sibyte BCM91125C-CRhone"
  550. select BOOT_ELF32
  551. select DMA_COHERENT
  552. select SIBYTE_BCM1125
  553. select SWAP_IO_SPACE
  554. select SYS_HAS_CPU_SB1
  555. select SYS_SUPPORTS_BIG_ENDIAN
  556. select SYS_SUPPORTS_HIGHMEM
  557. select SYS_SUPPORTS_LITTLE_ENDIAN
  558. config SIBYTE_RHONE
  559. bool "Sibyte BCM91125E-Rhone"
  560. select BOOT_ELF32
  561. select DMA_COHERENT
  562. select SIBYTE_BCM1125H
  563. select SWAP_IO_SPACE
  564. select SYS_HAS_CPU_SB1
  565. select SYS_SUPPORTS_BIG_ENDIAN
  566. select SYS_SUPPORTS_LITTLE_ENDIAN
  567. config SIBYTE_SWARM
  568. bool "Sibyte BCM91250A-SWARM"
  569. select BOOT_ELF32
  570. select DMA_COHERENT
  571. select HAVE_PATA_PLATFORM
  572. select NR_CPUS_DEFAULT_2
  573. select SIBYTE_SB1250
  574. select SWAP_IO_SPACE
  575. select SYS_HAS_CPU_SB1
  576. select SYS_SUPPORTS_BIG_ENDIAN
  577. select SYS_SUPPORTS_HIGHMEM
  578. select SYS_SUPPORTS_LITTLE_ENDIAN
  579. select ZONE_DMA32 if 64BIT
  580. config SIBYTE_LITTLESUR
  581. bool "Sibyte BCM91250C2-LittleSur"
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select HAVE_PATA_PLATFORM
  585. select NR_CPUS_DEFAULT_2
  586. select SIBYTE_SB1250
  587. select SWAP_IO_SPACE
  588. select SYS_HAS_CPU_SB1
  589. select SYS_SUPPORTS_BIG_ENDIAN
  590. select SYS_SUPPORTS_HIGHMEM
  591. select SYS_SUPPORTS_LITTLE_ENDIAN
  592. config SIBYTE_SENTOSA
  593. bool "Sibyte BCM91250E-Sentosa"
  594. select BOOT_ELF32
  595. select DMA_COHERENT
  596. select NR_CPUS_DEFAULT_2
  597. select SIBYTE_SB1250
  598. select SWAP_IO_SPACE
  599. select SYS_HAS_CPU_SB1
  600. select SYS_SUPPORTS_BIG_ENDIAN
  601. select SYS_SUPPORTS_LITTLE_ENDIAN
  602. config SIBYTE_BIGSUR
  603. bool "Sibyte BCM91480B-BigSur"
  604. select BOOT_ELF32
  605. select DMA_COHERENT
  606. select NR_CPUS_DEFAULT_4
  607. select SIBYTE_BCM1x80
  608. select SWAP_IO_SPACE
  609. select SYS_HAS_CPU_SB1
  610. select SYS_SUPPORTS_BIG_ENDIAN
  611. select SYS_SUPPORTS_HIGHMEM
  612. select SYS_SUPPORTS_LITTLE_ENDIAN
  613. select ZONE_DMA32 if 64BIT
  614. config SNI_RM
  615. bool "SNI RM200/300/400"
  616. select FW_ARC if CPU_LITTLE_ENDIAN
  617. select FW_ARC32 if CPU_LITTLE_ENDIAN
  618. select FW_SNIPROM if CPU_BIG_ENDIAN
  619. select ARCH_MAY_HAVE_PC_FDC
  620. select BOOT_ELF32
  621. select CEVT_R4K
  622. select CSRC_R4K
  623. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  624. select DMA_NONCOHERENT
  625. select GENERIC_ISA_DMA
  626. select HAVE_PCSPKR_PLATFORM
  627. select HW_HAS_EISA
  628. select HW_HAS_PCI
  629. select IRQ_CPU
  630. select I8253
  631. select I8259
  632. select ISA
  633. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  634. select SYS_HAS_CPU_R4X00
  635. select SYS_HAS_CPU_R5000
  636. select SYS_HAS_CPU_R10000
  637. select R5000_CPU_SCACHE
  638. select SYS_HAS_EARLY_PRINTK
  639. select SYS_SUPPORTS_32BIT_KERNEL
  640. select SYS_SUPPORTS_64BIT_KERNEL
  641. select SYS_SUPPORTS_BIG_ENDIAN
  642. select SYS_SUPPORTS_HIGHMEM
  643. select SYS_SUPPORTS_LITTLE_ENDIAN
  644. help
  645. The SNI RM200/300/400 are MIPS-based machines manufactured by
  646. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  647. Technology and now in turn merged with Fujitsu. Say Y here to
  648. support this machine type.
  649. config MACH_TX39XX
  650. bool "Toshiba TX39 series based machines"
  651. config MACH_TX49XX
  652. bool "Toshiba TX49 series based machines"
  653. config MIKROTIK_RB532
  654. bool "Mikrotik RB532 boards"
  655. select CEVT_R4K
  656. select CSRC_R4K
  657. select DMA_NONCOHERENT
  658. select HW_HAS_PCI
  659. select IRQ_CPU
  660. select SYS_HAS_CPU_MIPS32_R1
  661. select SYS_SUPPORTS_32BIT_KERNEL
  662. select SYS_SUPPORTS_LITTLE_ENDIAN
  663. select SWAP_IO_SPACE
  664. select BOOT_RAW
  665. select ARCH_REQUIRE_GPIOLIB
  666. help
  667. Support the Mikrotik(tm) RouterBoard 532 series,
  668. based on the IDT RC32434 SoC.
  669. config WR_PPMC
  670. bool "Wind River PPMC board"
  671. select CEVT_R4K
  672. select CSRC_R4K
  673. select IRQ_CPU
  674. select BOOT_ELF32
  675. select DMA_NONCOHERENT
  676. select HW_HAS_PCI
  677. select PCI_GT64XXX_PCI0
  678. select SWAP_IO_SPACE
  679. select SYS_HAS_CPU_MIPS32_R1
  680. select SYS_HAS_CPU_MIPS32_R2
  681. select SYS_HAS_CPU_MIPS64_R1
  682. select SYS_HAS_CPU_NEVADA
  683. select SYS_HAS_CPU_RM7000
  684. select SYS_SUPPORTS_32BIT_KERNEL
  685. select SYS_SUPPORTS_64BIT_KERNEL
  686. select SYS_SUPPORTS_BIG_ENDIAN
  687. select SYS_SUPPORTS_LITTLE_ENDIAN
  688. help
  689. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  690. board, which is based on GT64120 bridge chip.
  691. config CAVIUM_OCTEON_SIMULATOR
  692. bool "Cavium Networks Octeon Simulator"
  693. select CEVT_R4K
  694. select 64BIT_PHYS_ADDR
  695. select DMA_COHERENT
  696. select SYS_SUPPORTS_64BIT_KERNEL
  697. select SYS_SUPPORTS_BIG_ENDIAN
  698. select SYS_SUPPORTS_HOTPLUG_CPU
  699. select SYS_HAS_CPU_CAVIUM_OCTEON
  700. select HOLES_IN_ZONE
  701. help
  702. The Octeon simulator is software performance model of the Cavium
  703. Octeon Processor. It supports simulating Octeon processors on x86
  704. hardware.
  705. config CAVIUM_OCTEON_REFERENCE_BOARD
  706. bool "Cavium Networks Octeon reference board"
  707. select CEVT_R4K
  708. select 64BIT_PHYS_ADDR
  709. select DMA_COHERENT
  710. select SYS_SUPPORTS_64BIT_KERNEL
  711. select SYS_SUPPORTS_BIG_ENDIAN
  712. select EDAC_SUPPORT
  713. select SYS_SUPPORTS_HOTPLUG_CPU
  714. select SYS_HAS_EARLY_PRINTK
  715. select SYS_HAS_CPU_CAVIUM_OCTEON
  716. select SWAP_IO_SPACE
  717. select HW_HAS_PCI
  718. select ARCH_SUPPORTS_MSI
  719. select ZONE_DMA32
  720. select USB_ARCH_HAS_OHCI
  721. select USB_ARCH_HAS_EHCI
  722. select HOLES_IN_ZONE
  723. help
  724. This option supports all of the Octeon reference boards from Cavium
  725. Networks. It builds a kernel that dynamically determines the Octeon
  726. CPU type and supports all known board reference implementations.
  727. Some of the supported boards are:
  728. EBT3000
  729. EBH3000
  730. EBH3100
  731. Thunder
  732. Kodama
  733. Hikari
  734. Say Y here for most Octeon reference boards.
  735. config NLM_XLR_BOARD
  736. bool "Netlogic XLR/XLS based systems"
  737. select BOOT_ELF32
  738. select NLM_COMMON
  739. select SYS_HAS_CPU_XLR
  740. select SYS_SUPPORTS_SMP
  741. select HW_HAS_PCI
  742. select SWAP_IO_SPACE
  743. select SYS_SUPPORTS_32BIT_KERNEL
  744. select SYS_SUPPORTS_64BIT_KERNEL
  745. select 64BIT_PHYS_ADDR
  746. select SYS_SUPPORTS_BIG_ENDIAN
  747. select SYS_SUPPORTS_HIGHMEM
  748. select DMA_COHERENT
  749. select NR_CPUS_DEFAULT_32
  750. select CEVT_R4K
  751. select CSRC_R4K
  752. select IRQ_CPU
  753. select ARCH_SUPPORTS_MSI
  754. select ZONE_DMA32 if 64BIT
  755. select SYNC_R4K
  756. select SYS_HAS_EARLY_PRINTK
  757. select USB_ARCH_HAS_OHCI if USB_SUPPORT
  758. select USB_ARCH_HAS_EHCI if USB_SUPPORT
  759. help
  760. Support for systems based on Netlogic XLR and XLS processors.
  761. Say Y here if you have a XLR or XLS based board.
  762. config NLM_XLP_BOARD
  763. bool "Netlogic XLP based systems"
  764. select BOOT_ELF32
  765. select NLM_COMMON
  766. select SYS_HAS_CPU_XLP
  767. select SYS_SUPPORTS_SMP
  768. select HW_HAS_PCI
  769. select SYS_SUPPORTS_32BIT_KERNEL
  770. select SYS_SUPPORTS_64BIT_KERNEL
  771. select 64BIT_PHYS_ADDR
  772. select SYS_SUPPORTS_BIG_ENDIAN
  773. select SYS_SUPPORTS_LITTLE_ENDIAN
  774. select SYS_SUPPORTS_HIGHMEM
  775. select DMA_COHERENT
  776. select NR_CPUS_DEFAULT_32
  777. select CEVT_R4K
  778. select CSRC_R4K
  779. select IRQ_CPU
  780. select ZONE_DMA32 if 64BIT
  781. select SYNC_R4K
  782. select SYS_HAS_EARLY_PRINTK
  783. select USE_OF
  784. help
  785. This board is based on Netlogic XLP Processor.
  786. Say Y here if you have a XLP based board.
  787. endchoice
  788. source "arch/mips/alchemy/Kconfig"
  789. source "arch/mips/ath79/Kconfig"
  790. source "arch/mips/bcm47xx/Kconfig"
  791. source "arch/mips/bcm63xx/Kconfig"
  792. source "arch/mips/jazz/Kconfig"
  793. source "arch/mips/jz4740/Kconfig"
  794. source "arch/mips/lantiq/Kconfig"
  795. source "arch/mips/lasat/Kconfig"
  796. source "arch/mips/pmcs-msp71xx/Kconfig"
  797. source "arch/mips/powertv/Kconfig"
  798. source "arch/mips/ralink/Kconfig"
  799. source "arch/mips/sgi-ip27/Kconfig"
  800. source "arch/mips/sibyte/Kconfig"
  801. source "arch/mips/txx9/Kconfig"
  802. source "arch/mips/vr41xx/Kconfig"
  803. source "arch/mips/cavium-octeon/Kconfig"
  804. source "arch/mips/loongson/Kconfig"
  805. source "arch/mips/loongson1/Kconfig"
  806. source "arch/mips/netlogic/Kconfig"
  807. endmenu
  808. config RWSEM_GENERIC_SPINLOCK
  809. bool
  810. default y
  811. config RWSEM_XCHGADD_ALGORITHM
  812. bool
  813. config ARCH_HAS_ILOG2_U32
  814. bool
  815. default n
  816. config ARCH_HAS_ILOG2_U64
  817. bool
  818. default n
  819. config GENERIC_HWEIGHT
  820. bool
  821. default y
  822. config GENERIC_CALIBRATE_DELAY
  823. bool
  824. default y
  825. config SCHED_OMIT_FRAME_POINTER
  826. bool
  827. default y
  828. #
  829. # Select some configuration options automatically based on user selections.
  830. #
  831. config FW_ARC
  832. bool
  833. config ARCH_MAY_HAVE_PC_FDC
  834. bool
  835. config BOOT_RAW
  836. bool
  837. config CEVT_BCM1480
  838. bool
  839. config CEVT_DS1287
  840. bool
  841. config CEVT_GT641XX
  842. bool
  843. config CEVT_R4K
  844. bool
  845. config CEVT_GIC
  846. bool
  847. config CEVT_SB1250
  848. bool
  849. config CEVT_TXX9
  850. bool
  851. config CSRC_BCM1480
  852. bool
  853. config CSRC_IOASIC
  854. bool
  855. config CSRC_POWERTV
  856. bool
  857. config CSRC_R4K
  858. bool
  859. config CSRC_GIC
  860. bool
  861. config CSRC_SB1250
  862. bool
  863. config GPIO_TXX9
  864. select ARCH_REQUIRE_GPIOLIB
  865. bool
  866. config FW_CFE
  867. bool
  868. config ARCH_DMA_ADDR_T_64BIT
  869. def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
  870. config DMA_COHERENT
  871. bool
  872. config DMA_NONCOHERENT
  873. bool
  874. select NEED_DMA_MAP_STATE
  875. config NEED_DMA_MAP_STATE
  876. bool
  877. config SYS_HAS_EARLY_PRINTK
  878. bool
  879. config HOTPLUG_CPU
  880. bool "Support for hot-pluggable CPUs"
  881. depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
  882. help
  883. Say Y here to allow turning CPUs off and on. CPUs can be
  884. controlled through /sys/devices/system/cpu.
  885. (Note: power management support will enable this option
  886. automatically on SMP systems. )
  887. Say N if you want to disable CPU hotplug.
  888. config SYS_SUPPORTS_HOTPLUG_CPU
  889. bool
  890. config I8259
  891. bool
  892. config MIPS_BONITO64
  893. bool
  894. config MIPS_MSC
  895. bool
  896. config MIPS_NILE4
  897. bool
  898. config SYNC_R4K
  899. bool
  900. config MIPS_MACHINE
  901. def_bool n
  902. config NO_IOPORT
  903. def_bool n
  904. config GENERIC_ISA_DMA
  905. bool
  906. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  907. select ISA_DMA_API
  908. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  909. bool
  910. select GENERIC_ISA_DMA
  911. config ISA_DMA_API
  912. bool
  913. config HOLES_IN_ZONE
  914. bool
  915. #
  916. # Endianness selection. Sufficiently obscure so many users don't know what to
  917. # answer,so we try hard to limit the available choices. Also the use of a
  918. # choice statement should be more obvious to the user.
  919. #
  920. choice
  921. prompt "Endianness selection"
  922. help
  923. Some MIPS machines can be configured for either little or big endian
  924. byte order. These modes require different kernels and a different
  925. Linux distribution. In general there is one preferred byteorder for a
  926. particular system but some systems are just as commonly used in the
  927. one or the other endianness.
  928. config CPU_BIG_ENDIAN
  929. bool "Big endian"
  930. depends on SYS_SUPPORTS_BIG_ENDIAN
  931. config CPU_LITTLE_ENDIAN
  932. bool "Little endian"
  933. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  934. help
  935. endchoice
  936. config EXPORT_UASM
  937. bool
  938. config SYS_SUPPORTS_APM_EMULATION
  939. bool
  940. config SYS_SUPPORTS_BIG_ENDIAN
  941. bool
  942. config SYS_SUPPORTS_LITTLE_ENDIAN
  943. bool
  944. config SYS_SUPPORTS_HUGETLBFS
  945. bool
  946. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  947. default y
  948. config MIPS_HUGE_TLB_SUPPORT
  949. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  950. config IRQ_CPU
  951. bool
  952. config IRQ_CPU_RM7K
  953. bool
  954. config IRQ_MSP_SLP
  955. bool
  956. config IRQ_MSP_CIC
  957. bool
  958. config IRQ_TXX9
  959. bool
  960. config IRQ_GT641XX
  961. bool
  962. config IRQ_GIC
  963. bool
  964. config PCI_GT64XXX_PCI0
  965. bool
  966. config NO_EXCEPT_FILL
  967. bool
  968. config SOC_EMMA2RH
  969. bool
  970. select CEVT_R4K
  971. select CSRC_R4K
  972. select DMA_NONCOHERENT
  973. select IRQ_CPU
  974. select SWAP_IO_SPACE
  975. select SYS_HAS_CPU_R5500
  976. select SYS_SUPPORTS_32BIT_KERNEL
  977. select SYS_SUPPORTS_64BIT_KERNEL
  978. select SYS_SUPPORTS_BIG_ENDIAN
  979. config SOC_PNX833X
  980. bool
  981. select CEVT_R4K
  982. select CSRC_R4K
  983. select IRQ_CPU
  984. select DMA_NONCOHERENT
  985. select SYS_HAS_CPU_MIPS32_R2
  986. select SYS_SUPPORTS_32BIT_KERNEL
  987. select SYS_SUPPORTS_LITTLE_ENDIAN
  988. select SYS_SUPPORTS_BIG_ENDIAN
  989. select CPU_MIPSR2_IRQ_VI
  990. config SOC_PNX8335
  991. bool
  992. select SOC_PNX833X
  993. config SWAP_IO_SPACE
  994. bool
  995. config SGI_HAS_INDYDOG
  996. bool
  997. config SGI_HAS_HAL2
  998. bool
  999. config SGI_HAS_SEEQ
  1000. bool
  1001. config SGI_HAS_WD93
  1002. bool
  1003. config SGI_HAS_ZILOG
  1004. bool
  1005. config SGI_HAS_I8042
  1006. bool
  1007. config DEFAULT_SGI_PARTITION
  1008. bool
  1009. config FW_ARC32
  1010. bool
  1011. config FW_SNIPROM
  1012. bool
  1013. config BOOT_ELF32
  1014. bool
  1015. config MIPS_L1_CACHE_SHIFT
  1016. int
  1017. default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
  1018. default "6" if MIPS_CPU_SCACHE
  1019. default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
  1020. default "5"
  1021. config HAVE_STD_PC_SERIAL_PORT
  1022. bool
  1023. config ARC_CONSOLE
  1024. bool "ARC console support"
  1025. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1026. config ARC_MEMORY
  1027. bool
  1028. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1029. default y
  1030. config ARC_PROMLIB
  1031. bool
  1032. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1033. default y
  1034. config FW_ARC64
  1035. bool
  1036. config BOOT_ELF64
  1037. bool
  1038. menu "CPU selection"
  1039. choice
  1040. prompt "CPU type"
  1041. default CPU_R4X00
  1042. config CPU_LOONGSON2E
  1043. bool "Loongson 2E"
  1044. depends on SYS_HAS_CPU_LOONGSON2E
  1045. select CPU_LOONGSON2
  1046. help
  1047. The Loongson 2E processor implements the MIPS III instruction set
  1048. with many extensions.
  1049. It has an internal FPGA northbridge, which is compatible to
  1050. bonito64.
  1051. config CPU_LOONGSON2F
  1052. bool "Loongson 2F"
  1053. depends on SYS_HAS_CPU_LOONGSON2F
  1054. select CPU_LOONGSON2
  1055. select ARCH_REQUIRE_GPIOLIB
  1056. help
  1057. The Loongson 2F processor implements the MIPS III instruction set
  1058. with many extensions.
  1059. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1060. have a similar programming interface with FPGA northbridge used in
  1061. Loongson2E.
  1062. config CPU_LOONGSON1B
  1063. bool "Loongson 1B"
  1064. depends on SYS_HAS_CPU_LOONGSON1B
  1065. select CPU_LOONGSON1
  1066. help
  1067. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1068. release 2 instruction set.
  1069. config CPU_MIPS32_R1
  1070. bool "MIPS32 Release 1"
  1071. depends on SYS_HAS_CPU_MIPS32_R1
  1072. select CPU_HAS_PREFETCH
  1073. select CPU_SUPPORTS_32BIT_KERNEL
  1074. select CPU_SUPPORTS_HIGHMEM
  1075. help
  1076. Choose this option to build a kernel for release 1 or later of the
  1077. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1078. MIPS processor are based on a MIPS32 processor. If you know the
  1079. specific type of processor in your system, choose those that one
  1080. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1081. Release 2 of the MIPS32 architecture is available since several
  1082. years so chances are you even have a MIPS32 Release 2 processor
  1083. in which case you should choose CPU_MIPS32_R2 instead for better
  1084. performance.
  1085. config CPU_MIPS32_R2
  1086. bool "MIPS32 Release 2"
  1087. depends on SYS_HAS_CPU_MIPS32_R2
  1088. select CPU_HAS_PREFETCH
  1089. select CPU_SUPPORTS_32BIT_KERNEL
  1090. select CPU_SUPPORTS_HIGHMEM
  1091. select HAVE_KVM
  1092. help
  1093. Choose this option to build a kernel for release 2 or later of the
  1094. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1095. MIPS processor are based on a MIPS32 processor. If you know the
  1096. specific type of processor in your system, choose those that one
  1097. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1098. config CPU_MIPS64_R1
  1099. bool "MIPS64 Release 1"
  1100. depends on SYS_HAS_CPU_MIPS64_R1
  1101. select CPU_HAS_PREFETCH
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_64BIT_KERNEL
  1104. select CPU_SUPPORTS_HIGHMEM
  1105. select CPU_SUPPORTS_HUGEPAGES
  1106. help
  1107. Choose this option to build a kernel for release 1 or later of the
  1108. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1109. MIPS processor are based on a MIPS64 processor. If you know the
  1110. specific type of processor in your system, choose those that one
  1111. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1112. Release 2 of the MIPS64 architecture is available since several
  1113. years so chances are you even have a MIPS64 Release 2 processor
  1114. in which case you should choose CPU_MIPS64_R2 instead for better
  1115. performance.
  1116. config CPU_MIPS64_R2
  1117. bool "MIPS64 Release 2"
  1118. depends on SYS_HAS_CPU_MIPS64_R2
  1119. select CPU_HAS_PREFETCH
  1120. select CPU_SUPPORTS_32BIT_KERNEL
  1121. select CPU_SUPPORTS_64BIT_KERNEL
  1122. select CPU_SUPPORTS_HIGHMEM
  1123. select CPU_SUPPORTS_HUGEPAGES
  1124. help
  1125. Choose this option to build a kernel for release 2 or later of the
  1126. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1127. MIPS processor are based on a MIPS64 processor. If you know the
  1128. specific type of processor in your system, choose those that one
  1129. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1130. config CPU_R3000
  1131. bool "R3000"
  1132. depends on SYS_HAS_CPU_R3000
  1133. select CPU_HAS_WB
  1134. select CPU_SUPPORTS_32BIT_KERNEL
  1135. select CPU_SUPPORTS_HIGHMEM
  1136. help
  1137. Please make sure to pick the right CPU type. Linux/MIPS is not
  1138. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1139. *not* work on R4000 machines and vice versa. However, since most
  1140. of the supported machines have an R4000 (or similar) CPU, R4x00
  1141. might be a safe bet. If the resulting kernel does not work,
  1142. try to recompile with R3000.
  1143. config CPU_TX39XX
  1144. bool "R39XX"
  1145. depends on SYS_HAS_CPU_TX39XX
  1146. select CPU_SUPPORTS_32BIT_KERNEL
  1147. config CPU_VR41XX
  1148. bool "R41xx"
  1149. depends on SYS_HAS_CPU_VR41XX
  1150. select CPU_SUPPORTS_32BIT_KERNEL
  1151. select CPU_SUPPORTS_64BIT_KERNEL
  1152. help
  1153. The options selects support for the NEC VR4100 series of processors.
  1154. Only choose this option if you have one of these processors as a
  1155. kernel built with this option will not run on any other type of
  1156. processor or vice versa.
  1157. config CPU_R4300
  1158. bool "R4300"
  1159. depends on SYS_HAS_CPU_R4300
  1160. select CPU_SUPPORTS_32BIT_KERNEL
  1161. select CPU_SUPPORTS_64BIT_KERNEL
  1162. help
  1163. MIPS Technologies R4300-series processors.
  1164. config CPU_R4X00
  1165. bool "R4x00"
  1166. depends on SYS_HAS_CPU_R4X00
  1167. select CPU_SUPPORTS_32BIT_KERNEL
  1168. select CPU_SUPPORTS_64BIT_KERNEL
  1169. select CPU_SUPPORTS_HUGEPAGES
  1170. help
  1171. MIPS Technologies R4000-series processors other than 4300, including
  1172. the R4000, R4400, R4600, and 4700.
  1173. config CPU_TX49XX
  1174. bool "R49XX"
  1175. depends on SYS_HAS_CPU_TX49XX
  1176. select CPU_HAS_PREFETCH
  1177. select CPU_SUPPORTS_32BIT_KERNEL
  1178. select CPU_SUPPORTS_64BIT_KERNEL
  1179. select CPU_SUPPORTS_HUGEPAGES
  1180. config CPU_R5000
  1181. bool "R5000"
  1182. depends on SYS_HAS_CPU_R5000
  1183. select CPU_SUPPORTS_32BIT_KERNEL
  1184. select CPU_SUPPORTS_64BIT_KERNEL
  1185. select CPU_SUPPORTS_HUGEPAGES
  1186. help
  1187. MIPS Technologies R5000-series processors other than the Nevada.
  1188. config CPU_R5432
  1189. bool "R5432"
  1190. depends on SYS_HAS_CPU_R5432
  1191. select CPU_SUPPORTS_32BIT_KERNEL
  1192. select CPU_SUPPORTS_64BIT_KERNEL
  1193. select CPU_SUPPORTS_HUGEPAGES
  1194. config CPU_R5500
  1195. bool "R5500"
  1196. depends on SYS_HAS_CPU_R5500
  1197. select CPU_SUPPORTS_32BIT_KERNEL
  1198. select CPU_SUPPORTS_64BIT_KERNEL
  1199. select CPU_SUPPORTS_HUGEPAGES
  1200. help
  1201. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1202. instruction set.
  1203. config CPU_R6000
  1204. bool "R6000"
  1205. depends on SYS_HAS_CPU_R6000
  1206. select CPU_SUPPORTS_32BIT_KERNEL
  1207. help
  1208. MIPS Technologies R6000 and R6000A series processors. Note these
  1209. processors are extremely rare and the support for them is incomplete.
  1210. config CPU_NEVADA
  1211. bool "RM52xx"
  1212. depends on SYS_HAS_CPU_NEVADA
  1213. select CPU_SUPPORTS_32BIT_KERNEL
  1214. select CPU_SUPPORTS_64BIT_KERNEL
  1215. select CPU_SUPPORTS_HUGEPAGES
  1216. help
  1217. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1218. config CPU_R8000
  1219. bool "R8000"
  1220. depends on SYS_HAS_CPU_R8000
  1221. select CPU_HAS_PREFETCH
  1222. select CPU_SUPPORTS_64BIT_KERNEL
  1223. help
  1224. MIPS Technologies R8000 processors. Note these processors are
  1225. uncommon and the support for them is incomplete.
  1226. config CPU_R10000
  1227. bool "R10000"
  1228. depends on SYS_HAS_CPU_R10000
  1229. select CPU_HAS_PREFETCH
  1230. select CPU_SUPPORTS_32BIT_KERNEL
  1231. select CPU_SUPPORTS_64BIT_KERNEL
  1232. select CPU_SUPPORTS_HIGHMEM
  1233. select CPU_SUPPORTS_HUGEPAGES
  1234. help
  1235. MIPS Technologies R10000-series processors.
  1236. config CPU_RM7000
  1237. bool "RM7000"
  1238. depends on SYS_HAS_CPU_RM7000
  1239. select CPU_HAS_PREFETCH
  1240. select CPU_SUPPORTS_32BIT_KERNEL
  1241. select CPU_SUPPORTS_64BIT_KERNEL
  1242. select CPU_SUPPORTS_HIGHMEM
  1243. select CPU_SUPPORTS_HUGEPAGES
  1244. config CPU_SB1
  1245. bool "SB1"
  1246. depends on SYS_HAS_CPU_SB1
  1247. select CPU_SUPPORTS_32BIT_KERNEL
  1248. select CPU_SUPPORTS_64BIT_KERNEL
  1249. select CPU_SUPPORTS_HIGHMEM
  1250. select CPU_SUPPORTS_HUGEPAGES
  1251. select WEAK_ORDERING
  1252. config CPU_CAVIUM_OCTEON
  1253. bool "Cavium Octeon processor"
  1254. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1255. select ARCH_SPARSEMEM_ENABLE
  1256. select CPU_HAS_PREFETCH
  1257. select CPU_SUPPORTS_64BIT_KERNEL
  1258. select SYS_SUPPORTS_SMP
  1259. select NR_CPUS_DEFAULT_16
  1260. select WEAK_ORDERING
  1261. select CPU_SUPPORTS_HIGHMEM
  1262. select CPU_SUPPORTS_HUGEPAGES
  1263. select LIBFDT
  1264. select USE_OF
  1265. select USB_EHCI_BIG_ENDIAN_MMIO
  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 WEAK_ORDERING
  1321. select WEAK_REORDERING_BEYOND_LLSC
  1322. select CPU_HAS_PREFETCH
  1323. select CPU_MIPSR2
  1324. help
  1325. Netlogic Microsystems XLP processors.
  1326. endchoice
  1327. if CPU_LOONGSON2F
  1328. config CPU_NOP_WORKAROUNDS
  1329. bool
  1330. config CPU_JUMP_WORKAROUNDS
  1331. bool
  1332. config CPU_LOONGSON2F_WORKAROUNDS
  1333. bool "Loongson 2F Workarounds"
  1334. default y
  1335. select CPU_NOP_WORKAROUNDS
  1336. select CPU_JUMP_WORKAROUNDS
  1337. help
  1338. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1339. require workarounds. Without workarounds the system may hang
  1340. unexpectedly. For more information please refer to the gas
  1341. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1342. Loongson 2F03 and later have fixed these issues and no workarounds
  1343. are needed. The workarounds have no significant side effect on them
  1344. but may decrease the performance of the system so this option should
  1345. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1346. systems.
  1347. If unsure, please say Y.
  1348. endif # CPU_LOONGSON2F
  1349. config SYS_SUPPORTS_ZBOOT
  1350. bool
  1351. select HAVE_KERNEL_GZIP
  1352. select HAVE_KERNEL_BZIP2
  1353. select HAVE_KERNEL_LZMA
  1354. select HAVE_KERNEL_LZO
  1355. config SYS_SUPPORTS_ZBOOT_UART16550
  1356. bool
  1357. select SYS_SUPPORTS_ZBOOT
  1358. config CPU_LOONGSON2
  1359. bool
  1360. select CPU_SUPPORTS_32BIT_KERNEL
  1361. select CPU_SUPPORTS_64BIT_KERNEL
  1362. select CPU_SUPPORTS_HIGHMEM
  1363. select CPU_SUPPORTS_HUGEPAGES
  1364. config CPU_LOONGSON1
  1365. bool
  1366. select CPU_MIPS32
  1367. select CPU_MIPSR2
  1368. select CPU_HAS_PREFETCH
  1369. select CPU_SUPPORTS_32BIT_KERNEL
  1370. select CPU_SUPPORTS_HIGHMEM
  1371. config CPU_BMIPS
  1372. bool
  1373. select CPU_MIPS32
  1374. select CPU_SUPPORTS_32BIT_KERNEL
  1375. select DMA_NONCOHERENT
  1376. select IRQ_CPU
  1377. select SWAP_IO_SPACE
  1378. select WEAK_ORDERING
  1379. config SYS_HAS_CPU_LOONGSON2E
  1380. bool
  1381. config SYS_HAS_CPU_LOONGSON2F
  1382. bool
  1383. select CPU_SUPPORTS_CPUFREQ
  1384. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1385. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1386. config SYS_HAS_CPU_LOONGSON1B
  1387. bool
  1388. config SYS_HAS_CPU_MIPS32_R1
  1389. bool
  1390. config SYS_HAS_CPU_MIPS32_R2
  1391. bool
  1392. config SYS_HAS_CPU_MIPS64_R1
  1393. bool
  1394. config SYS_HAS_CPU_MIPS64_R2
  1395. bool
  1396. config SYS_HAS_CPU_R3000
  1397. bool
  1398. config SYS_HAS_CPU_TX39XX
  1399. bool
  1400. config SYS_HAS_CPU_VR41XX
  1401. bool
  1402. config SYS_HAS_CPU_R4300
  1403. bool
  1404. config SYS_HAS_CPU_R4X00
  1405. bool
  1406. config SYS_HAS_CPU_TX49XX
  1407. bool
  1408. config SYS_HAS_CPU_R5000
  1409. bool
  1410. config SYS_HAS_CPU_R5432
  1411. bool
  1412. config SYS_HAS_CPU_R5500
  1413. bool
  1414. config SYS_HAS_CPU_R6000
  1415. bool
  1416. config SYS_HAS_CPU_NEVADA
  1417. bool
  1418. config SYS_HAS_CPU_R8000
  1419. bool
  1420. config SYS_HAS_CPU_R10000
  1421. bool
  1422. config SYS_HAS_CPU_RM7000
  1423. bool
  1424. config SYS_HAS_CPU_SB1
  1425. bool
  1426. config SYS_HAS_CPU_CAVIUM_OCTEON
  1427. bool
  1428. config SYS_HAS_CPU_BMIPS3300
  1429. bool
  1430. config SYS_HAS_CPU_BMIPS4350
  1431. bool
  1432. config SYS_HAS_CPU_BMIPS4380
  1433. bool
  1434. config SYS_HAS_CPU_BMIPS5000
  1435. bool
  1436. config SYS_HAS_CPU_XLR
  1437. bool
  1438. config SYS_HAS_CPU_XLP
  1439. bool
  1440. #
  1441. # CPU may reorder R->R, R->W, W->R, W->W
  1442. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1443. #
  1444. config WEAK_ORDERING
  1445. bool
  1446. #
  1447. # CPU may reorder reads and writes beyond LL/SC
  1448. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1449. #
  1450. config WEAK_REORDERING_BEYOND_LLSC
  1451. bool
  1452. endmenu
  1453. #
  1454. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1455. #
  1456. config CPU_MIPS32
  1457. bool
  1458. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1459. config CPU_MIPS64
  1460. bool
  1461. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1462. #
  1463. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1464. #
  1465. config CPU_MIPSR1
  1466. bool
  1467. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1468. config CPU_MIPSR2
  1469. bool
  1470. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1471. config SYS_SUPPORTS_32BIT_KERNEL
  1472. bool
  1473. config SYS_SUPPORTS_64BIT_KERNEL
  1474. bool
  1475. config CPU_SUPPORTS_32BIT_KERNEL
  1476. bool
  1477. config CPU_SUPPORTS_64BIT_KERNEL
  1478. bool
  1479. config CPU_SUPPORTS_CPUFREQ
  1480. bool
  1481. config CPU_SUPPORTS_ADDRWINCFG
  1482. bool
  1483. config CPU_SUPPORTS_HUGEPAGES
  1484. bool
  1485. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1486. bool
  1487. config MIPS_PGD_C0_CONTEXT
  1488. bool
  1489. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1490. #
  1491. # Set to y for ptrace access to watch registers.
  1492. #
  1493. config HARDWARE_WATCHPOINTS
  1494. bool
  1495. default y if CPU_MIPSR1 || CPU_MIPSR2
  1496. menu "Kernel type"
  1497. choice
  1498. prompt "Kernel code model"
  1499. help
  1500. You should only select this option if you have a workload that
  1501. actually benefits from 64-bit processing or if your machine has
  1502. large memory. You will only be presented a single option in this
  1503. menu if your system does not support both 32-bit and 64-bit kernels.
  1504. config 32BIT
  1505. bool "32-bit kernel"
  1506. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1507. select TRAD_SIGNALS
  1508. help
  1509. Select this option if you want to build a 32-bit kernel.
  1510. config 64BIT
  1511. bool "64-bit kernel"
  1512. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1513. help
  1514. Select this option if you want to build a 64-bit kernel.
  1515. endchoice
  1516. config KVM_GUEST
  1517. bool "KVM Guest Kernel"
  1518. help
  1519. Select this option if building a guest kernel for KVM (Trap & Emulate) mode
  1520. config KVM_HOST_FREQ
  1521. int "KVM Host Processor Frequency (MHz)"
  1522. depends on KVM_GUEST
  1523. default 500
  1524. help
  1525. Select this option if building a guest kernel for KVM to skip
  1526. RTC emulation when determining guest CPU Frequency. Instead, the guest
  1527. processor frequency is automatically derived from the host frequency.
  1528. choice
  1529. prompt "Kernel page size"
  1530. default PAGE_SIZE_4KB
  1531. config PAGE_SIZE_4KB
  1532. bool "4kB"
  1533. depends on !CPU_LOONGSON2
  1534. help
  1535. This option select the standard 4kB Linux page size. On some
  1536. R3000-family processors this is the only available page size. Using
  1537. 4kB page size will minimize memory consumption and is therefore
  1538. recommended for low memory systems.
  1539. config PAGE_SIZE_8KB
  1540. bool "8kB"
  1541. depends on CPU_R8000 || CPU_CAVIUM_OCTEON
  1542. help
  1543. Using 8kB page size will result in higher performance kernel at
  1544. the price of higher memory consumption. This option is available
  1545. only on R8000 and cnMIPS processors. Note that you will need a
  1546. suitable Linux distribution to support this.
  1547. config PAGE_SIZE_16KB
  1548. bool "16kB"
  1549. depends on !CPU_R3000 && !CPU_TX39XX
  1550. help
  1551. Using 16kB page size will result in higher performance kernel at
  1552. the price of higher memory consumption. This option is available on
  1553. all non-R3000 family processors. Note that you will need a suitable
  1554. Linux distribution to support this.
  1555. config PAGE_SIZE_32KB
  1556. bool "32kB"
  1557. depends on CPU_CAVIUM_OCTEON
  1558. help
  1559. Using 32kB page size will result in higher performance kernel at
  1560. the price of higher memory consumption. This option is available
  1561. only on cnMIPS cores. Note that you will need a suitable Linux
  1562. distribution to support this.
  1563. config PAGE_SIZE_64KB
  1564. bool "64kB"
  1565. depends on !CPU_R3000 && !CPU_TX39XX
  1566. help
  1567. Using 64kB page size will result in higher performance kernel at
  1568. the price of higher memory consumption. This option is available on
  1569. all non-R3000 family processor. Not that at the time of this
  1570. writing this option is still high experimental.
  1571. endchoice
  1572. config FORCE_MAX_ZONEORDER
  1573. int "Maximum zone order"
  1574. range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
  1575. default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
  1576. range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
  1577. default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
  1578. range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
  1579. default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
  1580. range 11 64
  1581. default "11"
  1582. help
  1583. The kernel memory allocator divides physically contiguous memory
  1584. blocks into "zones", where each zone is a power of two number of
  1585. pages. This option selects the largest power of two that the kernel
  1586. keeps in the memory allocator. If you need to allocate very large
  1587. blocks of physically contiguous memory, then you may need to
  1588. increase this value.
  1589. This config option is actually maximum order plus one. For example,
  1590. a value of 11 means that the largest free memory block is 2^10 pages.
  1591. The page size is not necessarily 4KB. Keep this in mind
  1592. when choosing a value for this option.
  1593. config CEVT_GIC
  1594. bool "Use GIC global counter for clock events"
  1595. depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
  1596. help
  1597. Use the GIC global counter for the clock events. The R4K clock
  1598. event driver is always present, so if the platform ends up not
  1599. detecting a GIC, it will fall back to the R4K timer for the
  1600. generation of clock events.
  1601. config BOARD_SCACHE
  1602. bool
  1603. config IP22_CPU_SCACHE
  1604. bool
  1605. select BOARD_SCACHE
  1606. #
  1607. # Support for a MIPS32 / MIPS64 style S-caches
  1608. #
  1609. config MIPS_CPU_SCACHE
  1610. bool
  1611. select BOARD_SCACHE
  1612. config R5000_CPU_SCACHE
  1613. bool
  1614. select BOARD_SCACHE
  1615. config RM7000_CPU_SCACHE
  1616. bool
  1617. select BOARD_SCACHE
  1618. config SIBYTE_DMA_PAGEOPS
  1619. bool "Use DMA to clear/copy pages"
  1620. depends on CPU_SB1
  1621. help
  1622. Instead of using the CPU to zero and copy pages, use a Data Mover
  1623. channel. These DMA channels are otherwise unused by the standard
  1624. SiByte Linux port. Seems to give a small performance benefit.
  1625. config CPU_HAS_PREFETCH
  1626. bool
  1627. config CPU_GENERIC_DUMP_TLB
  1628. bool
  1629. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1630. config CPU_R4K_FPU
  1631. bool
  1632. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1633. config CPU_R4K_CACHE_TLB
  1634. bool
  1635. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1636. choice
  1637. prompt "MIPS MT options"
  1638. config MIPS_MT_DISABLED
  1639. bool "Disable multithreading support."
  1640. help
  1641. Use this option if your workload can't take advantage of
  1642. MIPS hardware multithreading support. On systems that don't have
  1643. the option of an MT-enabled processor this option will be the only
  1644. option in this menu.
  1645. config MIPS_MT_SMP
  1646. bool "Use 1 TC on each available VPE for SMP"
  1647. depends on SYS_SUPPORTS_MULTITHREADING
  1648. select CPU_MIPSR2_IRQ_VI
  1649. select CPU_MIPSR2_IRQ_EI
  1650. select MIPS_MT
  1651. select NR_CPUS_DEFAULT_2
  1652. select SMP
  1653. select SYS_SUPPORTS_SCHED_SMT if SMP
  1654. select SYS_SUPPORTS_SMP
  1655. select SMP_UP
  1656. select MIPS_PERF_SHARED_TC_COUNTERS
  1657. help
  1658. This is a kernel model which is known a VSMP but lately has been
  1659. marketesed into SMVP.
  1660. Virtual SMP uses the processor's VPEs to implement virtual
  1661. processors. In currently available configuration of the 34K processor
  1662. this allows for a dual processor. Both processors will share the same
  1663. primary caches; each will obtain the half of the TLB for it's own
  1664. exclusive use. For a layman this model can be described as similar to
  1665. what Intel calls Hyperthreading.
  1666. For further information see http://www.linux-mips.org/wiki/34K#VSMP
  1667. config MIPS_MT_SMTC
  1668. bool "SMTC: Use all TCs on all VPEs for SMP"
  1669. depends on CPU_MIPS32_R2
  1670. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1671. depends on SYS_SUPPORTS_MULTITHREADING
  1672. select CPU_MIPSR2_IRQ_VI
  1673. select CPU_MIPSR2_IRQ_EI
  1674. select MIPS_MT
  1675. select NR_CPUS_DEFAULT_8
  1676. select SMP
  1677. select SYS_SUPPORTS_SMP
  1678. select SMP_UP
  1679. help
  1680. This is a kernel model which is known a SMTC or lately has been
  1681. marketesed into SMVP.
  1682. is presenting the available TC's of the core as processors to Linux.
  1683. On currently available 34K processors this means a Linux system will
  1684. see up to 5 processors. The implementation of the SMTC kernel differs
  1685. significantly from VSMP and cannot efficiently coexist in the same
  1686. kernel binary so the choice between VSMP and SMTC is a compile time
  1687. decision.
  1688. For further information see http://www.linux-mips.org/wiki/34K#SMTC
  1689. endchoice
  1690. config MIPS_MT
  1691. bool
  1692. config SCHED_SMT
  1693. bool "SMT (multithreading) scheduler support"
  1694. depends on SYS_SUPPORTS_SCHED_SMT
  1695. default n
  1696. help
  1697. SMT scheduler support improves the CPU scheduler's decision making
  1698. when dealing with MIPS MT enabled cores at a cost of slightly
  1699. increased overhead in some places. If unsure say N here.
  1700. config SYS_SUPPORTS_SCHED_SMT
  1701. bool
  1702. config SYS_SUPPORTS_MULTITHREADING
  1703. bool
  1704. config MIPS_MT_FPAFF
  1705. bool "Dynamic FPU affinity for FP-intensive threads"
  1706. default y
  1707. depends on MIPS_MT_SMP || MIPS_MT_SMTC
  1708. config MIPS_VPE_LOADER
  1709. bool "VPE loader support."
  1710. depends on SYS_SUPPORTS_MULTITHREADING
  1711. select CPU_MIPSR2_IRQ_VI
  1712. select CPU_MIPSR2_IRQ_EI
  1713. select MIPS_MT
  1714. help
  1715. Includes a loader for loading an elf relocatable object
  1716. onto another VPE and running it.
  1717. config MIPS_MT_SMTC_IM_BACKSTOP
  1718. bool "Use per-TC register bits as backstop for inhibited IM bits"
  1719. depends on MIPS_MT_SMTC
  1720. default n
  1721. help
  1722. To support multiple TC microthreads acting as "CPUs" within
  1723. a VPE, VPE-wide interrupt mask bits must be specially manipulated
  1724. during interrupt handling. To support legacy drivers and interrupt
  1725. controller management code, SMTC has a "backstop" to track and
  1726. if necessary restore the interrupt mask. This has some performance
  1727. impact on interrupt service overhead.
  1728. config MIPS_MT_SMTC_IRQAFF
  1729. bool "Support IRQ affinity API"
  1730. depends on MIPS_MT_SMTC
  1731. default n
  1732. help
  1733. Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
  1734. for SMTC Linux kernel. Requires platform support, of which
  1735. an example can be found in the MIPS kernel i8259 and Malta
  1736. platform code. Adds some overhead to interrupt dispatch, and
  1737. should be used only if you know what you are doing.
  1738. config MIPS_VPE_LOADER_TOM
  1739. bool "Load VPE program into memory hidden from linux"
  1740. depends on MIPS_VPE_LOADER
  1741. default y
  1742. help
  1743. The loader can use memory that is present but has been hidden from
  1744. Linux using the kernel command line option "mem=xxMB". It's up to
  1745. you to ensure the amount you put in the option and the space your
  1746. program requires is less or equal to the amount physically present.
  1747. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1748. config MIPS_VPE_APSP_API
  1749. bool "Enable support for AP/SP API (RTLX)"
  1750. depends on MIPS_VPE_LOADER
  1751. help
  1752. config MIPS_CMP
  1753. bool "MIPS CMP framework support"
  1754. depends on SYS_SUPPORTS_MIPS_CMP
  1755. select SYNC_R4K
  1756. select SYS_SUPPORTS_SMP
  1757. select SYS_SUPPORTS_SCHED_SMT if SMP
  1758. select WEAK_ORDERING
  1759. default n
  1760. help
  1761. This is a placeholder option for the GCMP work. It will need to
  1762. be handled differently...
  1763. config SB1_PASS_1_WORKAROUNDS
  1764. bool
  1765. depends on CPU_SB1_PASS_1
  1766. default y
  1767. config SB1_PASS_2_WORKAROUNDS
  1768. bool
  1769. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1770. default y
  1771. config SB1_PASS_2_1_WORKAROUNDS
  1772. bool
  1773. depends on CPU_SB1 && CPU_SB1_PASS_2
  1774. default y
  1775. config 64BIT_PHYS_ADDR
  1776. bool
  1777. config ARCH_PHYS_ADDR_T_64BIT
  1778. def_bool 64BIT_PHYS_ADDR
  1779. config CPU_HAS_SMARTMIPS
  1780. depends on SYS_SUPPORTS_SMARTMIPS
  1781. bool "Support for the SmartMIPS ASE"
  1782. help
  1783. SmartMIPS is a extension of the MIPS32 architecture aimed at
  1784. increased security at both hardware and software level for
  1785. smartcards. Enabling this option will allow proper use of the
  1786. SmartMIPS instructions by Linux applications. However a kernel with
  1787. this option will not work on a MIPS core without SmartMIPS core. If
  1788. you don't know you probably don't have SmartMIPS and should say N
  1789. here.
  1790. config CPU_MICROMIPS
  1791. depends on SYS_SUPPORTS_MICROMIPS
  1792. bool "Build kernel using microMIPS ISA"
  1793. help
  1794. When this option is enabled the kernel will be built using the
  1795. microMIPS ISA
  1796. config CPU_HAS_WB
  1797. bool
  1798. config XKS01
  1799. bool
  1800. #
  1801. # Vectored interrupt mode is an R2 feature
  1802. #
  1803. config CPU_MIPSR2_IRQ_VI
  1804. bool
  1805. #
  1806. # Extended interrupt mode is an R2 feature
  1807. #
  1808. config CPU_MIPSR2_IRQ_EI
  1809. bool
  1810. config CPU_HAS_SYNC
  1811. bool
  1812. depends on !CPU_R3000
  1813. default y
  1814. #
  1815. # CPU non-features
  1816. #
  1817. config CPU_DADDI_WORKAROUNDS
  1818. bool
  1819. config CPU_R4000_WORKAROUNDS
  1820. bool
  1821. select CPU_R4400_WORKAROUNDS
  1822. config CPU_R4400_WORKAROUNDS
  1823. bool
  1824. #
  1825. # - Highmem only makes sense for the 32-bit kernel.
  1826. # - The current highmem code will only work properly on physically indexed
  1827. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1828. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1829. # moment we protect the user and offer the highmem option only on machines
  1830. # where it's known to be safe. This will not offer highmem on a few systems
  1831. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1832. # indexed CPUs but we're playing safe.
  1833. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1834. # know they might have memory configurations that could make use of highmem
  1835. # support.
  1836. #
  1837. config HIGHMEM
  1838. bool "High Memory Support"
  1839. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1840. config CPU_SUPPORTS_HIGHMEM
  1841. bool
  1842. config SYS_SUPPORTS_HIGHMEM
  1843. bool
  1844. config SYS_SUPPORTS_SMARTMIPS
  1845. bool
  1846. config SYS_SUPPORTS_MICROMIPS
  1847. bool
  1848. config ARCH_FLATMEM_ENABLE
  1849. def_bool y
  1850. depends on !NUMA && !CPU_LOONGSON2
  1851. config ARCH_DISCONTIGMEM_ENABLE
  1852. bool
  1853. default y if SGI_IP27
  1854. help
  1855. Say Y to support efficient handling of discontiguous physical memory,
  1856. for architectures which are either NUMA (Non-Uniform Memory Access)
  1857. or have huge holes in the physical address space for other reasons.
  1858. See <file:Documentation/vm/numa> for more.
  1859. config ARCH_SPARSEMEM_ENABLE
  1860. bool
  1861. select SPARSEMEM_STATIC
  1862. config NUMA
  1863. bool "NUMA Support"
  1864. depends on SYS_SUPPORTS_NUMA
  1865. help
  1866. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1867. Access). This option improves performance on systems with more
  1868. than two nodes; on two node systems it is generally better to
  1869. leave it disabled; on single node systems disable this option
  1870. disabled.
  1871. config SYS_SUPPORTS_NUMA
  1872. bool
  1873. config NODES_SHIFT
  1874. int
  1875. default "6"
  1876. depends on NEED_MULTIPLE_NODES
  1877. config HW_PERF_EVENTS
  1878. bool "Enable hardware performance counter support for perf events"
  1879. depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
  1880. default y
  1881. help
  1882. Enable hardware performance counter support for perf events. If
  1883. disabled, perf events will use software events only.
  1884. source "mm/Kconfig"
  1885. config SMP
  1886. bool "Multi-Processing support"
  1887. depends on SYS_SUPPORTS_SMP
  1888. select USE_GENERIC_SMP_HELPERS
  1889. help
  1890. This enables support for systems with more than one CPU. If you have
  1891. a system with only one CPU, like most personal computers, say N. If
  1892. you have a system with more than one CPU, say Y.
  1893. If you say N here, the kernel will run on single and multiprocessor
  1894. machines, but will use only one CPU of a multiprocessor machine. If
  1895. you say Y here, the kernel will run on many, but not all,
  1896. singleprocessor machines. On a singleprocessor machine, the kernel
  1897. will run faster if you say N here.
  1898. People using multiprocessor machines who say Y here should also say
  1899. Y to "Enhanced Real Time Clock Support", below.
  1900. See also the SMP-HOWTO available at
  1901. <http://www.tldp.org/docs.html#howto>.
  1902. If you don't know what to do here, say N.
  1903. config SMP_UP
  1904. bool
  1905. config SYS_SUPPORTS_MIPS_CMP
  1906. bool
  1907. config SYS_SUPPORTS_SMP
  1908. bool
  1909. config NR_CPUS_DEFAULT_1
  1910. bool
  1911. config NR_CPUS_DEFAULT_2
  1912. bool
  1913. config NR_CPUS_DEFAULT_4
  1914. bool
  1915. config NR_CPUS_DEFAULT_8
  1916. bool
  1917. config NR_CPUS_DEFAULT_16
  1918. bool
  1919. config NR_CPUS_DEFAULT_32
  1920. bool
  1921. config NR_CPUS_DEFAULT_64
  1922. bool
  1923. config NR_CPUS
  1924. int "Maximum number of CPUs (2-64)"
  1925. range 1 64 if NR_CPUS_DEFAULT_1
  1926. depends on SMP
  1927. default "1" if NR_CPUS_DEFAULT_1
  1928. default "2" if NR_CPUS_DEFAULT_2
  1929. default "4" if NR_CPUS_DEFAULT_4
  1930. default "8" if NR_CPUS_DEFAULT_8
  1931. default "16" if NR_CPUS_DEFAULT_16
  1932. default "32" if NR_CPUS_DEFAULT_32
  1933. default "64" if NR_CPUS_DEFAULT_64
  1934. help
  1935. This allows you to specify the maximum number of CPUs which this
  1936. kernel will support. The maximum supported value is 32 for 32-bit
  1937. kernel and 64 for 64-bit kernels; the minimum value which makes
  1938. sense is 1 for Qemu (useful only for kernel debugging purposes)
  1939. and 2 for all others.
  1940. This is purely to save memory - each supported CPU adds
  1941. approximately eight kilobytes to the kernel image. For best
  1942. performance should round up your number of processors to the next
  1943. power of two.
  1944. config MIPS_PERF_SHARED_TC_COUNTERS
  1945. bool
  1946. #
  1947. # Timer Interrupt Frequency Configuration
  1948. #
  1949. choice
  1950. prompt "Timer frequency"
  1951. default HZ_250
  1952. help
  1953. Allows the configuration of the timer frequency.
  1954. config HZ_48
  1955. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  1956. config HZ_100
  1957. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1958. config HZ_128
  1959. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1960. config HZ_250
  1961. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1962. config HZ_256
  1963. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1964. config HZ_1000
  1965. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1966. config HZ_1024
  1967. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1968. endchoice
  1969. config SYS_SUPPORTS_48HZ
  1970. bool
  1971. config SYS_SUPPORTS_100HZ
  1972. bool
  1973. config SYS_SUPPORTS_128HZ
  1974. bool
  1975. config SYS_SUPPORTS_250HZ
  1976. bool
  1977. config SYS_SUPPORTS_256HZ
  1978. bool
  1979. config SYS_SUPPORTS_1000HZ
  1980. bool
  1981. config SYS_SUPPORTS_1024HZ
  1982. bool
  1983. config SYS_SUPPORTS_ARBIT_HZ
  1984. bool
  1985. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1986. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1987. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1988. !SYS_SUPPORTS_1024HZ
  1989. config HZ
  1990. int
  1991. default 48 if HZ_48
  1992. default 100 if HZ_100
  1993. default 128 if HZ_128
  1994. default 250 if HZ_250
  1995. default 256 if HZ_256
  1996. default 1000 if HZ_1000
  1997. default 1024 if HZ_1024
  1998. source "kernel/Kconfig.preempt"
  1999. config KEXEC
  2000. bool "Kexec system call"
  2001. help
  2002. kexec is a system call that implements the ability to shutdown your
  2003. current kernel, and to start another kernel. It is like a reboot
  2004. but it is independent of the system firmware. And like a reboot
  2005. you can start any kernel with it, not just Linux.
  2006. The name comes from the similarity to the exec system call.
  2007. It is an ongoing process to be certain the hardware in a machine
  2008. is properly shutdown, so do not be surprised if this code does not
  2009. initially work for you. It may help to enable device hotplugging
  2010. support. As of this writing the exact hardware interface is
  2011. strongly in flux, so no good recommendation can be made.
  2012. config CRASH_DUMP
  2013. bool "Kernel crash dumps"
  2014. help
  2015. Generate crash dump after being started by kexec.
  2016. This should be normally only set in special crash dump kernels
  2017. which are loaded in the main kernel with kexec-tools into
  2018. a specially reserved region and then later executed after
  2019. a crash by kdump/kexec. The crash dump kernel must be compiled
  2020. to a memory address not used by the main kernel or firmware using
  2021. PHYSICAL_START.
  2022. config PHYSICAL_START
  2023. hex "Physical address where the kernel is loaded"
  2024. default "0xffffffff84000000" if 64BIT
  2025. default "0x84000000" if 32BIT
  2026. depends on CRASH_DUMP
  2027. help
  2028. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2029. If you plan to use kernel for capturing the crash dump change
  2030. this value to start of the reserved region (the "X" value as
  2031. specified in the "crashkernel=YM@XM" command line boot parameter
  2032. passed to the panic-ed kernel).
  2033. config SECCOMP
  2034. bool "Enable seccomp to safely compute untrusted bytecode"
  2035. depends on PROC_FS
  2036. default y
  2037. help
  2038. This kernel feature is useful for number crunching applications
  2039. that may need to compute untrusted bytecode during their
  2040. execution. By using pipes or other transports made available to
  2041. the process as file descriptors supporting the read/write
  2042. syscalls, it's possible to isolate those applications in
  2043. their own address space using seccomp. Once seccomp is
  2044. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2045. and the task is only allowed to execute a few safe syscalls
  2046. defined by each seccomp mode.
  2047. If unsure, say Y. Only embedded should say N here.
  2048. config USE_OF
  2049. bool
  2050. select OF
  2051. select OF_EARLY_FLATTREE
  2052. select IRQ_DOMAIN
  2053. endmenu
  2054. config LOCKDEP_SUPPORT
  2055. bool
  2056. default y
  2057. config STACKTRACE_SUPPORT
  2058. bool
  2059. default y
  2060. source "init/Kconfig"
  2061. source "kernel/Kconfig.freezer"
  2062. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2063. config HW_HAS_EISA
  2064. bool
  2065. config HW_HAS_PCI
  2066. bool
  2067. config PCI
  2068. bool "Support for PCI controller"
  2069. depends on HW_HAS_PCI
  2070. select PCI_DOMAINS
  2071. select GENERIC_PCI_IOMAP
  2072. select NO_GENERIC_PCI_IOPORT_MAP
  2073. help
  2074. Find out whether you have a PCI motherboard. PCI is the name of a
  2075. bus system, i.e. the way the CPU talks to the other stuff inside
  2076. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2077. say Y, otherwise N.
  2078. config PCI_DOMAINS
  2079. bool
  2080. source "drivers/pci/Kconfig"
  2081. source "drivers/pci/pcie/Kconfig"
  2082. #
  2083. # ISA support is now enabled via select. Too many systems still have the one
  2084. # or other ISA chip on the board that users don't know about so don't expect
  2085. # users to choose the right thing ...
  2086. #
  2087. config ISA
  2088. bool
  2089. config EISA
  2090. bool "EISA support"
  2091. depends on HW_HAS_EISA
  2092. select ISA
  2093. select GENERIC_ISA_DMA
  2094. ---help---
  2095. The Extended Industry Standard Architecture (EISA) bus was
  2096. developed as an open alternative to the IBM MicroChannel bus.
  2097. The EISA bus provided some of the features of the IBM MicroChannel
  2098. bus while maintaining backward compatibility with cards made for
  2099. the older ISA bus. The EISA bus saw limited use between 1988 and
  2100. 1995 when it was made obsolete by the PCI bus.
  2101. Say Y here if you are building a kernel for an EISA-based machine.
  2102. Otherwise, say N.
  2103. source "drivers/eisa/Kconfig"
  2104. config TC
  2105. bool "TURBOchannel support"
  2106. depends on MACH_DECSTATION
  2107. help
  2108. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2109. processors. TURBOchannel programming specifications are available
  2110. at:
  2111. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2112. and:
  2113. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2114. Linux driver support status is documented at:
  2115. <http://www.linux-mips.org/wiki/DECstation>
  2116. config MMU
  2117. bool
  2118. default y
  2119. config I8253
  2120. bool
  2121. select CLKSRC_I8253
  2122. select CLKEVT_I8253
  2123. select MIPS_EXTERNAL_TIMER
  2124. config ZONE_DMA32
  2125. bool
  2126. source "drivers/pcmcia/Kconfig"
  2127. source "drivers/pci/hotplug/Kconfig"
  2128. config RAPIDIO
  2129. bool "RapidIO support"
  2130. depends on PCI
  2131. default n
  2132. help
  2133. If you say Y here, the kernel will include drivers and
  2134. infrastructure code to support RapidIO interconnect devices.
  2135. source "drivers/rapidio/Kconfig"
  2136. endmenu
  2137. menu "Executable file formats"
  2138. source "fs/Kconfig.binfmt"
  2139. config TRAD_SIGNALS
  2140. bool
  2141. config MIPS32_COMPAT
  2142. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  2143. depends on 64BIT
  2144. help
  2145. Select this option if you want Linux/MIPS 32-bit binary
  2146. compatibility. Since all software available for Linux/MIPS is
  2147. currently 32-bit you should say Y here.
  2148. config COMPAT
  2149. bool
  2150. depends on MIPS32_COMPAT
  2151. select ARCH_WANT_OLD_COMPAT_IPC
  2152. default y
  2153. config SYSVIPC_COMPAT
  2154. bool
  2155. depends on COMPAT && SYSVIPC
  2156. default y
  2157. config MIPS32_O32
  2158. bool "Kernel support for o32 binaries"
  2159. depends on MIPS32_COMPAT
  2160. help
  2161. Select this option if you want to run o32 binaries. These are pure
  2162. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2163. existing binaries are in this format.
  2164. If unsure, say Y.
  2165. config MIPS32_N32
  2166. bool "Kernel support for n32 binaries"
  2167. depends on MIPS32_COMPAT
  2168. help
  2169. Select this option if you want to run n32 binaries. These are
  2170. 64-bit binaries using 32-bit quantities for addressing and certain
  2171. data that would normally be 64-bit. They are used in special
  2172. cases.
  2173. If unsure, say N.
  2174. config BINFMT_ELF32
  2175. bool
  2176. default y if MIPS32_O32 || MIPS32_N32
  2177. endmenu
  2178. menu "Power management options"
  2179. config ARCH_HIBERNATION_POSSIBLE
  2180. def_bool y
  2181. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2182. config ARCH_SUSPEND_POSSIBLE
  2183. def_bool y
  2184. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2185. source "kernel/power/Kconfig"
  2186. endmenu
  2187. config MIPS_EXTERNAL_TIMER
  2188. bool
  2189. if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
  2190. menu "CPU Power Management"
  2191. source "drivers/cpufreq/Kconfig"
  2192. endmenu
  2193. endif
  2194. source "net/Kconfig"
  2195. source "drivers/Kconfig"
  2196. source "drivers/firmware/Kconfig"
  2197. source "fs/Kconfig"
  2198. source "arch/mips/Kconfig.debug"
  2199. source "security/Kconfig"
  2200. source "crypto/Kconfig"
  2201. source "lib/Kconfig"
  2202. source "arch/mips/kvm/Kconfig"