Kconfig 72 KB

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  1. config MIPS
  2. bool
  3. default y
  4. select ARCH_SUPPORTS_UPROBES
  5. select ARCH_MIGHT_HAVE_PC_PARPORT
  6. select ARCH_MIGHT_HAVE_PC_SERIO
  7. select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
  8. select HAVE_CONTEXT_TRACKING
  9. select HAVE_GENERIC_DMA_COHERENT
  10. select HAVE_IDE
  11. select HAVE_OPROFILE
  12. select HAVE_PERF_EVENTS
  13. select PERF_USE_VMALLOC
  14. select HAVE_ARCH_KGDB
  15. select HAVE_ARCH_SECCOMP_FILTER
  16. select HAVE_ARCH_TRACEHOOK
  17. select HAVE_BPF_JIT if !CPU_MICROMIPS
  18. select HAVE_FUNCTION_TRACER
  19. select HAVE_DYNAMIC_FTRACE
  20. select HAVE_FTRACE_MCOUNT_RECORD
  21. select HAVE_C_RECORDMCOUNT
  22. select HAVE_FUNCTION_GRAPH_TRACER
  23. select HAVE_KPROBES
  24. select HAVE_KRETPROBES
  25. select HAVE_SYSCALL_TRACEPOINTS
  26. select HAVE_DEBUG_KMEMLEAK
  27. select HAVE_SYSCALL_TRACEPOINTS
  28. select ARCH_HAS_ELF_RANDOMIZE
  29. select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
  30. select RTC_LIB if !MACH_LOONGSON64
  31. select GENERIC_ATOMIC64 if !64BIT
  32. select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  33. select HAVE_DMA_ATTRS
  34. select HAVE_DMA_CONTIGUOUS
  35. select HAVE_DMA_API_DEBUG
  36. select GENERIC_IRQ_PROBE
  37. select GENERIC_IRQ_SHOW
  38. select GENERIC_PCI_IOMAP
  39. select HAVE_ARCH_JUMP_LABEL
  40. select ARCH_WANT_IPC_PARSE_VERSION
  41. select IRQ_FORCED_THREADING
  42. select HAVE_MEMBLOCK
  43. select HAVE_MEMBLOCK_NODE_MAP
  44. select ARCH_DISCARD_MEMBLOCK
  45. select GENERIC_SMP_IDLE_THREAD
  46. select BUILDTIME_EXTABLE_SORT
  47. select GENERIC_CLOCKEVENTS
  48. select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
  49. select GENERIC_CMOS_UPDATE
  50. select HAVE_MOD_ARCH_SPECIFIC
  51. select VIRT_TO_BUS
  52. select MODULES_USE_ELF_REL if MODULES
  53. select MODULES_USE_ELF_RELA if MODULES && 64BIT
  54. select CLONE_BACKWARDS
  55. select HAVE_DEBUG_STACKOVERFLOW
  56. select HAVE_CC_STACKPROTECTOR
  57. select CPU_PM if CPU_IDLE
  58. select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
  59. select ARCH_BINFMT_ELF_STATE
  60. select SYSCTL_EXCEPTION_TRACE
  61. select HAVE_VIRT_CPU_ACCOUNTING_GEN
  62. select HAVE_IRQ_TIME_ACCOUNTING
  63. menu "Machine selection"
  64. choice
  65. prompt "System type"
  66. default SGI_IP22
  67. config MIPS_ALCHEMY
  68. bool "Alchemy processor based machines"
  69. select ARCH_PHYS_ADDR_T_64BIT
  70. select CEVT_R4K
  71. select CSRC_R4K
  72. select IRQ_MIPS_CPU
  73. select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
  74. select SYS_HAS_CPU_MIPS32_R1
  75. select SYS_SUPPORTS_32BIT_KERNEL
  76. select SYS_SUPPORTS_APM_EMULATION
  77. select ARCH_REQUIRE_GPIOLIB
  78. select SYS_SUPPORTS_ZBOOT
  79. select COMMON_CLK
  80. config AR7
  81. bool "Texas Instruments AR7"
  82. select BOOT_ELF32
  83. select DMA_NONCOHERENT
  84. select CEVT_R4K
  85. select CSRC_R4K
  86. select IRQ_MIPS_CPU
  87. select NO_EXCEPT_FILL
  88. select SWAP_IO_SPACE
  89. select SYS_HAS_CPU_MIPS32_R1
  90. select SYS_HAS_EARLY_PRINTK
  91. select SYS_SUPPORTS_32BIT_KERNEL
  92. select SYS_SUPPORTS_LITTLE_ENDIAN
  93. select SYS_SUPPORTS_MIPS16
  94. select SYS_SUPPORTS_ZBOOT_UART16550
  95. select ARCH_REQUIRE_GPIOLIB
  96. select VLYNQ
  97. select HAVE_CLK
  98. help
  99. Support for the Texas Instruments AR7 System-on-a-Chip
  100. family: TNETD7100, 7200 and 7300.
  101. config ATH25
  102. bool "Atheros AR231x/AR531x SoC support"
  103. select CEVT_R4K
  104. select CSRC_R4K
  105. select DMA_NONCOHERENT
  106. select IRQ_MIPS_CPU
  107. select IRQ_DOMAIN
  108. select SYS_HAS_CPU_MIPS32_R1
  109. select SYS_SUPPORTS_BIG_ENDIAN
  110. select SYS_SUPPORTS_32BIT_KERNEL
  111. select SYS_HAS_EARLY_PRINTK
  112. help
  113. Support for Atheros AR231x and Atheros AR531x based boards
  114. config ATH79
  115. bool "Atheros AR71XX/AR724X/AR913X based boards"
  116. select ARCH_HAS_RESET_CONTROLLER
  117. select ARCH_REQUIRE_GPIOLIB
  118. select BOOT_RAW
  119. select CEVT_R4K
  120. select CSRC_R4K
  121. select DMA_NONCOHERENT
  122. select HAVE_CLK
  123. select COMMON_CLK
  124. select CLKDEV_LOOKUP
  125. select IRQ_MIPS_CPU
  126. select MIPS_MACHINE
  127. select SYS_HAS_CPU_MIPS32_R2
  128. select SYS_HAS_EARLY_PRINTK
  129. select SYS_SUPPORTS_32BIT_KERNEL
  130. select SYS_SUPPORTS_BIG_ENDIAN
  131. select SYS_SUPPORTS_MIPS16
  132. select SYS_SUPPORTS_ZBOOT
  133. select USE_OF
  134. help
  135. Support for the Atheros AR71XX/AR724X/AR913X SoCs.
  136. config BMIPS_GENERIC
  137. bool "Broadcom Generic BMIPS kernel"
  138. select BOOT_RAW
  139. select NO_EXCEPT_FILL
  140. select USE_OF
  141. select CEVT_R4K
  142. select CSRC_R4K
  143. select SYNC_R4K
  144. select COMMON_CLK
  145. select BCM7038_L1_IRQ
  146. select BCM7120_L2_IRQ
  147. select BRCMSTB_L2_IRQ
  148. select IRQ_MIPS_CPU
  149. select DMA_NONCOHERENT
  150. select SYS_SUPPORTS_32BIT_KERNEL
  151. select SYS_SUPPORTS_LITTLE_ENDIAN
  152. select SYS_SUPPORTS_BIG_ENDIAN
  153. select SYS_SUPPORTS_HIGHMEM
  154. select SYS_HAS_CPU_BMIPS32_3300
  155. select SYS_HAS_CPU_BMIPS4350
  156. select SYS_HAS_CPU_BMIPS4380
  157. select SYS_HAS_CPU_BMIPS5000
  158. select SWAP_IO_SPACE
  159. select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
  160. select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
  161. select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
  162. select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
  163. help
  164. Build a generic DT-based kernel image that boots on select
  165. BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
  166. box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
  167. must be set appropriately for your board.
  168. config BCM47XX
  169. bool "Broadcom BCM47XX based boards"
  170. select ARCH_WANT_OPTIONAL_GPIOLIB
  171. select BOOT_RAW
  172. select CEVT_R4K
  173. select CSRC_R4K
  174. select DMA_NONCOHERENT
  175. select HW_HAS_PCI
  176. select IRQ_MIPS_CPU
  177. select SYS_HAS_CPU_MIPS32_R1
  178. select NO_EXCEPT_FILL
  179. select SYS_SUPPORTS_32BIT_KERNEL
  180. select SYS_SUPPORTS_LITTLE_ENDIAN
  181. select SYS_SUPPORTS_MIPS16
  182. select SYS_HAS_EARLY_PRINTK
  183. select USE_GENERIC_EARLY_PRINTK_8250
  184. select GPIOLIB
  185. select LEDS_GPIO_REGISTER
  186. select BCM47XX_NVRAM
  187. help
  188. Support for BCM47XX based boards
  189. config BCM63XX
  190. bool "Broadcom BCM63XX based boards"
  191. select BOOT_RAW
  192. select CEVT_R4K
  193. select CSRC_R4K
  194. select SYNC_R4K
  195. select DMA_NONCOHERENT
  196. select IRQ_MIPS_CPU
  197. select SYS_SUPPORTS_32BIT_KERNEL
  198. select SYS_SUPPORTS_BIG_ENDIAN
  199. select SYS_HAS_EARLY_PRINTK
  200. select SWAP_IO_SPACE
  201. select ARCH_REQUIRE_GPIOLIB
  202. select HAVE_CLK
  203. select MIPS_L1_CACHE_SHIFT_4
  204. help
  205. Support for BCM63XX based boards
  206. config MIPS_COBALT
  207. bool "Cobalt Server"
  208. select CEVT_R4K
  209. select CSRC_R4K
  210. select CEVT_GT641XX
  211. select DMA_NONCOHERENT
  212. select HW_HAS_PCI
  213. select I8253
  214. select I8259
  215. select IRQ_MIPS_CPU
  216. select IRQ_GT641XX
  217. select PCI_GT64XXX_PCI0
  218. select PCI
  219. select SYS_HAS_CPU_NEVADA
  220. select SYS_HAS_EARLY_PRINTK
  221. select SYS_SUPPORTS_32BIT_KERNEL
  222. select SYS_SUPPORTS_64BIT_KERNEL
  223. select SYS_SUPPORTS_LITTLE_ENDIAN
  224. select USE_GENERIC_EARLY_PRINTK_8250
  225. config MACH_DECSTATION
  226. bool "DECstations"
  227. select BOOT_ELF32
  228. select CEVT_DS1287
  229. select CEVT_R4K if CPU_R4X00
  230. select CSRC_IOASIC
  231. select CSRC_R4K if CPU_R4X00
  232. select CPU_DADDI_WORKAROUNDS if 64BIT
  233. select CPU_R4000_WORKAROUNDS if 64BIT
  234. select CPU_R4400_WORKAROUNDS if 64BIT
  235. select DMA_NONCOHERENT
  236. select NO_IOPORT_MAP
  237. select IRQ_MIPS_CPU
  238. select SYS_HAS_CPU_R3000
  239. select SYS_HAS_CPU_R4X00
  240. select SYS_SUPPORTS_32BIT_KERNEL
  241. select SYS_SUPPORTS_64BIT_KERNEL
  242. select SYS_SUPPORTS_LITTLE_ENDIAN
  243. select SYS_SUPPORTS_128HZ
  244. select SYS_SUPPORTS_256HZ
  245. select SYS_SUPPORTS_1024HZ
  246. select MIPS_L1_CACHE_SHIFT_4
  247. help
  248. This enables support for DEC's MIPS based workstations. For details
  249. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  250. DECstation porting pages on <http://decstation.unix-ag.org/>.
  251. If you have one of the following DECstation Models you definitely
  252. want to choose R4xx0 for the CPU Type:
  253. DECstation 5000/50
  254. DECstation 5000/150
  255. DECstation 5000/260
  256. DECsystem 5900/260
  257. otherwise choose R3000.
  258. config MACH_JAZZ
  259. bool "Jazz family of machines"
  260. select FW_ARC
  261. select FW_ARC32
  262. select ARCH_MAY_HAVE_PC_FDC
  263. select CEVT_R4K
  264. select CSRC_R4K
  265. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  266. select GENERIC_ISA_DMA
  267. select HAVE_PCSPKR_PLATFORM
  268. select IRQ_MIPS_CPU
  269. select I8253
  270. select I8259
  271. select ISA
  272. select SYS_HAS_CPU_R4X00
  273. select SYS_SUPPORTS_32BIT_KERNEL
  274. select SYS_SUPPORTS_64BIT_KERNEL
  275. select SYS_SUPPORTS_100HZ
  276. help
  277. This a family of machines based on the MIPS R4030 chipset which was
  278. used by several vendors to build RISC/os and Windows NT workstations.
  279. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
  280. Olivetti M700-10 workstations.
  281. config MACH_INGENIC
  282. bool "Ingenic SoC based machines"
  283. select SYS_SUPPORTS_32BIT_KERNEL
  284. select SYS_SUPPORTS_LITTLE_ENDIAN
  285. select SYS_SUPPORTS_ZBOOT_UART16550
  286. select DMA_NONCOHERENT
  287. select IRQ_MIPS_CPU
  288. select ARCH_REQUIRE_GPIOLIB
  289. select COMMON_CLK
  290. select GENERIC_IRQ_CHIP
  291. select BUILTIN_DTB
  292. select USE_OF
  293. select LIBFDT
  294. config LANTIQ
  295. bool "Lantiq based platforms"
  296. select DMA_NONCOHERENT
  297. select IRQ_MIPS_CPU
  298. select CEVT_R4K
  299. select CSRC_R4K
  300. select SYS_HAS_CPU_MIPS32_R1
  301. select SYS_HAS_CPU_MIPS32_R2
  302. select SYS_SUPPORTS_BIG_ENDIAN
  303. select SYS_SUPPORTS_32BIT_KERNEL
  304. select SYS_SUPPORTS_MIPS16
  305. select SYS_SUPPORTS_MULTITHREADING
  306. select SYS_HAS_EARLY_PRINTK
  307. select ARCH_REQUIRE_GPIOLIB
  308. select SWAP_IO_SPACE
  309. select BOOT_RAW
  310. select HAVE_MACH_CLKDEV
  311. select CLKDEV_LOOKUP
  312. select USE_OF
  313. select PINCTRL
  314. select PINCTRL_LANTIQ
  315. select ARCH_HAS_RESET_CONTROLLER
  316. select RESET_CONTROLLER
  317. config LASAT
  318. bool "LASAT Networks platforms"
  319. select CEVT_R4K
  320. select CRC32
  321. select CSRC_R4K
  322. select DMA_NONCOHERENT
  323. select SYS_HAS_EARLY_PRINTK
  324. select HW_HAS_PCI
  325. select IRQ_MIPS_CPU
  326. select PCI_GT64XXX_PCI0
  327. select MIPS_NILE4
  328. select R5000_CPU_SCACHE
  329. select SYS_HAS_CPU_R5000
  330. select SYS_SUPPORTS_32BIT_KERNEL
  331. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  332. select SYS_SUPPORTS_LITTLE_ENDIAN
  333. config MACH_LOONGSON32
  334. bool "Loongson-1 family of machines"
  335. select SYS_SUPPORTS_ZBOOT
  336. help
  337. This enables support for the Loongson-1 family of machines.
  338. Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
  339. the Institute of Computing Technology (ICT), Chinese Academy of
  340. Sciences (CAS).
  341. config MACH_LOONGSON64
  342. bool "Loongson-2/3 family of machines"
  343. select SYS_SUPPORTS_ZBOOT
  344. help
  345. This enables the support of Loongson-2/3 family of machines.
  346. Loongson-2 is a family of single-core CPUs and Loongson-3 is a
  347. family of multi-core CPUs. They are both 64-bit general-purpose
  348. MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
  349. of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
  350. in the People's Republic of China. The chief architect is Professor
  351. Weiwu Hu.
  352. config MACH_PISTACHIO
  353. bool "IMG Pistachio SoC based boards"
  354. select ARCH_REQUIRE_GPIOLIB
  355. select BOOT_ELF32
  356. select BOOT_RAW
  357. select CEVT_R4K
  358. select CLKSRC_MIPS_GIC
  359. select COMMON_CLK
  360. select CSRC_R4K
  361. select DMA_MAYBE_COHERENT
  362. select IRQ_MIPS_CPU
  363. select LIBFDT
  364. select MFD_SYSCON
  365. select MIPS_CPU_SCACHE
  366. select MIPS_GIC
  367. select PINCTRL
  368. select REGULATOR
  369. select SYS_HAS_CPU_MIPS32_R2
  370. select SYS_SUPPORTS_32BIT_KERNEL
  371. select SYS_SUPPORTS_LITTLE_ENDIAN
  372. select SYS_SUPPORTS_MIPS_CPS
  373. select SYS_SUPPORTS_MULTITHREADING
  374. select SYS_SUPPORTS_ZBOOT
  375. select SYS_HAS_EARLY_PRINTK
  376. select USE_GENERIC_EARLY_PRINTK_8250
  377. select USE_OF
  378. help
  379. This enables support for the IMG Pistachio SoC platform.
  380. config MIPS_MALTA
  381. bool "MIPS Malta board"
  382. select ARCH_MAY_HAVE_PC_FDC
  383. select BOOT_ELF32
  384. select BOOT_RAW
  385. select BUILTIN_DTB
  386. select CEVT_R4K
  387. select CSRC_R4K
  388. select CLKSRC_MIPS_GIC
  389. select COMMON_CLK
  390. select DMA_MAYBE_COHERENT
  391. select GENERIC_ISA_DMA
  392. select HAVE_PCSPKR_PLATFORM
  393. select IRQ_MIPS_CPU
  394. select MIPS_GIC
  395. select HW_HAS_PCI
  396. select I8253
  397. select I8259
  398. select MIPS_BONITO64
  399. select MIPS_CPU_SCACHE
  400. select MIPS_L1_CACHE_SHIFT_6
  401. select PCI_GT64XXX_PCI0
  402. select MIPS_MSC
  403. select SWAP_IO_SPACE
  404. select SYS_HAS_CPU_MIPS32_R1
  405. select SYS_HAS_CPU_MIPS32_R2
  406. select SYS_HAS_CPU_MIPS32_R3_5
  407. select SYS_HAS_CPU_MIPS32_R5
  408. select SYS_HAS_CPU_MIPS32_R6
  409. select SYS_HAS_CPU_MIPS64_R1
  410. select SYS_HAS_CPU_MIPS64_R2
  411. select SYS_HAS_CPU_MIPS64_R6
  412. select SYS_HAS_CPU_NEVADA
  413. select SYS_HAS_CPU_RM7000
  414. select SYS_SUPPORTS_32BIT_KERNEL
  415. select SYS_SUPPORTS_64BIT_KERNEL
  416. select SYS_SUPPORTS_BIG_ENDIAN
  417. select SYS_SUPPORTS_HIGHMEM
  418. select SYS_SUPPORTS_LITTLE_ENDIAN
  419. select SYS_SUPPORTS_MICROMIPS
  420. select SYS_SUPPORTS_MIPS_CMP
  421. select SYS_SUPPORTS_MIPS_CPS
  422. select SYS_SUPPORTS_MIPS16
  423. select SYS_SUPPORTS_MULTITHREADING
  424. select SYS_SUPPORTS_SMARTMIPS
  425. select SYS_SUPPORTS_ZBOOT
  426. select USE_OF
  427. select ZONE_DMA32 if 64BIT
  428. help
  429. This enables support for the MIPS Technologies Malta evaluation
  430. board.
  431. config MIPS_SEAD3
  432. bool "MIPS SEAD3 board"
  433. select BOOT_ELF32
  434. select BOOT_RAW
  435. select BUILTIN_DTB
  436. select CEVT_R4K
  437. select CSRC_R4K
  438. select CLKSRC_MIPS_GIC
  439. select COMMON_CLK
  440. select CPU_MIPSR2_IRQ_VI
  441. select CPU_MIPSR2_IRQ_EI
  442. select DMA_NONCOHERENT
  443. select IRQ_MIPS_CPU
  444. select MIPS_GIC
  445. select LIBFDT
  446. select MIPS_MSC
  447. select SYS_HAS_CPU_MIPS32_R1
  448. select SYS_HAS_CPU_MIPS32_R2
  449. select SYS_HAS_CPU_MIPS64_R1
  450. select SYS_HAS_EARLY_PRINTK
  451. select SYS_SUPPORTS_32BIT_KERNEL
  452. select SYS_SUPPORTS_64BIT_KERNEL
  453. select SYS_SUPPORTS_BIG_ENDIAN
  454. select SYS_SUPPORTS_LITTLE_ENDIAN
  455. select SYS_SUPPORTS_SMARTMIPS
  456. select SYS_SUPPORTS_MICROMIPS
  457. select SYS_SUPPORTS_MIPS16
  458. select USB_EHCI_BIG_ENDIAN_DESC
  459. select USB_EHCI_BIG_ENDIAN_MMIO
  460. select USE_OF
  461. help
  462. This enables support for the MIPS Technologies SEAD3 evaluation
  463. board.
  464. config NEC_MARKEINS
  465. bool "NEC EMMA2RH Mark-eins board"
  466. select SOC_EMMA2RH
  467. select HW_HAS_PCI
  468. help
  469. This enables support for the NEC Electronics Mark-eins boards.
  470. config MACH_VR41XX
  471. bool "NEC VR4100 series based machines"
  472. select CEVT_R4K
  473. select CSRC_R4K
  474. select SYS_HAS_CPU_VR41XX
  475. select SYS_SUPPORTS_MIPS16
  476. select ARCH_REQUIRE_GPIOLIB
  477. config NXP_STB220
  478. bool "NXP STB220 board"
  479. select SOC_PNX833X
  480. help
  481. Support for NXP Semiconductors STB220 Development Board.
  482. config NXP_STB225
  483. bool "NXP 225 board"
  484. select SOC_PNX833X
  485. select SOC_PNX8335
  486. help
  487. Support for NXP Semiconductors STB225 Development Board.
  488. config PMC_MSP
  489. bool "PMC-Sierra MSP chipsets"
  490. select CEVT_R4K
  491. select CSRC_R4K
  492. select DMA_NONCOHERENT
  493. select SWAP_IO_SPACE
  494. select NO_EXCEPT_FILL
  495. select BOOT_RAW
  496. select SYS_HAS_CPU_MIPS32_R1
  497. select SYS_HAS_CPU_MIPS32_R2
  498. select SYS_SUPPORTS_32BIT_KERNEL
  499. select SYS_SUPPORTS_BIG_ENDIAN
  500. select SYS_SUPPORTS_MIPS16
  501. select IRQ_MIPS_CPU
  502. select SERIAL_8250
  503. select SERIAL_8250_CONSOLE
  504. select USB_EHCI_BIG_ENDIAN_MMIO
  505. select USB_EHCI_BIG_ENDIAN_DESC
  506. help
  507. This adds support for the PMC-Sierra family of Multi-Service
  508. Processor System-On-A-Chips. These parts include a number
  509. of integrated peripherals, interfaces and DSPs in addition to
  510. a variety of MIPS cores.
  511. config RALINK
  512. bool "Ralink based machines"
  513. select CEVT_R4K
  514. select CSRC_R4K
  515. select BOOT_RAW
  516. select DMA_NONCOHERENT
  517. select IRQ_MIPS_CPU
  518. select USE_OF
  519. select SYS_HAS_CPU_MIPS32_R1
  520. select SYS_HAS_CPU_MIPS32_R2
  521. select SYS_SUPPORTS_32BIT_KERNEL
  522. select SYS_SUPPORTS_LITTLE_ENDIAN
  523. select SYS_SUPPORTS_MIPS16
  524. select SYS_HAS_EARLY_PRINTK
  525. select HAVE_MACH_CLKDEV
  526. select CLKDEV_LOOKUP
  527. select ARCH_HAS_RESET_CONTROLLER
  528. select RESET_CONTROLLER
  529. config SGI_IP22
  530. bool "SGI IP22 (Indy/Indigo2)"
  531. select FW_ARC
  532. select FW_ARC32
  533. select BOOT_ELF32
  534. select CEVT_R4K
  535. select CSRC_R4K
  536. select DEFAULT_SGI_PARTITION
  537. select DMA_NONCOHERENT
  538. select HW_HAS_EISA
  539. select I8253
  540. select I8259
  541. select IP22_CPU_SCACHE
  542. select IRQ_MIPS_CPU
  543. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  544. select SGI_HAS_I8042
  545. select SGI_HAS_INDYDOG
  546. select SGI_HAS_HAL2
  547. select SGI_HAS_SEEQ
  548. select SGI_HAS_WD93
  549. select SGI_HAS_ZILOG
  550. select SWAP_IO_SPACE
  551. select SYS_HAS_CPU_R4X00
  552. select SYS_HAS_CPU_R5000
  553. #
  554. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  555. # memory during early boot on some machines.
  556. #
  557. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  558. # for a more details discussion
  559. #
  560. # select SYS_HAS_EARLY_PRINTK
  561. select SYS_SUPPORTS_32BIT_KERNEL
  562. select SYS_SUPPORTS_64BIT_KERNEL
  563. select SYS_SUPPORTS_BIG_ENDIAN
  564. select MIPS_L1_CACHE_SHIFT_7
  565. help
  566. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  567. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  568. that runs on these, say Y here.
  569. config SGI_IP27
  570. bool "SGI IP27 (Origin200/2000)"
  571. select FW_ARC
  572. select FW_ARC64
  573. select BOOT_ELF64
  574. select DEFAULT_SGI_PARTITION
  575. select DMA_COHERENT
  576. select SYS_HAS_EARLY_PRINTK
  577. select HW_HAS_PCI
  578. select NR_CPUS_DEFAULT_64
  579. select SYS_HAS_CPU_R10000
  580. select SYS_SUPPORTS_64BIT_KERNEL
  581. select SYS_SUPPORTS_BIG_ENDIAN
  582. select SYS_SUPPORTS_NUMA
  583. select SYS_SUPPORTS_SMP
  584. select MIPS_L1_CACHE_SHIFT_7
  585. help
  586. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  587. workstations. To compile a Linux kernel that runs on these, say Y
  588. here.
  589. config SGI_IP28
  590. bool "SGI IP28 (Indigo2 R10k)"
  591. select FW_ARC
  592. select FW_ARC64
  593. select BOOT_ELF64
  594. select CEVT_R4K
  595. select CSRC_R4K
  596. select DEFAULT_SGI_PARTITION
  597. select DMA_NONCOHERENT
  598. select GENERIC_ISA_DMA_SUPPORT_BROKEN
  599. select IRQ_MIPS_CPU
  600. select HW_HAS_EISA
  601. select I8253
  602. select I8259
  603. select SGI_HAS_I8042
  604. select SGI_HAS_INDYDOG
  605. select SGI_HAS_HAL2
  606. select SGI_HAS_SEEQ
  607. select SGI_HAS_WD93
  608. select SGI_HAS_ZILOG
  609. select SWAP_IO_SPACE
  610. select SYS_HAS_CPU_R10000
  611. #
  612. # Disable EARLY_PRINTK for now since it leads to overwritten prom
  613. # memory during early boot on some machines.
  614. #
  615. # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
  616. # for a more details discussion
  617. #
  618. # select SYS_HAS_EARLY_PRINTK
  619. select SYS_SUPPORTS_64BIT_KERNEL
  620. select SYS_SUPPORTS_BIG_ENDIAN
  621. select MIPS_L1_CACHE_SHIFT_7
  622. help
  623. This is the SGI Indigo2 with R10000 processor. To compile a Linux
  624. kernel that runs on these, say Y here.
  625. config SGI_IP32
  626. bool "SGI IP32 (O2)"
  627. select FW_ARC
  628. select FW_ARC32
  629. select BOOT_ELF32
  630. select CEVT_R4K
  631. select CSRC_R4K
  632. select DMA_NONCOHERENT
  633. select HW_HAS_PCI
  634. select IRQ_MIPS_CPU
  635. select R5000_CPU_SCACHE
  636. select RM7000_CPU_SCACHE
  637. select SYS_HAS_CPU_R5000
  638. select SYS_HAS_CPU_R10000 if BROKEN
  639. select SYS_HAS_CPU_RM7000
  640. select SYS_HAS_CPU_NEVADA
  641. select SYS_SUPPORTS_64BIT_KERNEL
  642. select SYS_SUPPORTS_BIG_ENDIAN
  643. help
  644. If you want this kernel to run on SGI O2 workstation, say Y here.
  645. config SIBYTE_CRHINE
  646. bool "Sibyte BCM91120C-CRhine"
  647. select BOOT_ELF32
  648. select DMA_COHERENT
  649. select SIBYTE_BCM1120
  650. select SWAP_IO_SPACE
  651. select SYS_HAS_CPU_SB1
  652. select SYS_SUPPORTS_BIG_ENDIAN
  653. select SYS_SUPPORTS_LITTLE_ENDIAN
  654. config SIBYTE_CARMEL
  655. bool "Sibyte BCM91120x-Carmel"
  656. select BOOT_ELF32
  657. select DMA_COHERENT
  658. select SIBYTE_BCM1120
  659. select SWAP_IO_SPACE
  660. select SYS_HAS_CPU_SB1
  661. select SYS_SUPPORTS_BIG_ENDIAN
  662. select SYS_SUPPORTS_LITTLE_ENDIAN
  663. config SIBYTE_CRHONE
  664. bool "Sibyte BCM91125C-CRhone"
  665. select BOOT_ELF32
  666. select DMA_COHERENT
  667. select SIBYTE_BCM1125
  668. select SWAP_IO_SPACE
  669. select SYS_HAS_CPU_SB1
  670. select SYS_SUPPORTS_BIG_ENDIAN
  671. select SYS_SUPPORTS_HIGHMEM
  672. select SYS_SUPPORTS_LITTLE_ENDIAN
  673. config SIBYTE_RHONE
  674. bool "Sibyte BCM91125E-Rhone"
  675. select BOOT_ELF32
  676. select DMA_COHERENT
  677. select SIBYTE_BCM1125H
  678. select SWAP_IO_SPACE
  679. select SYS_HAS_CPU_SB1
  680. select SYS_SUPPORTS_BIG_ENDIAN
  681. select SYS_SUPPORTS_LITTLE_ENDIAN
  682. config SIBYTE_SWARM
  683. bool "Sibyte BCM91250A-SWARM"
  684. select BOOT_ELF32
  685. select DMA_COHERENT
  686. select HAVE_PATA_PLATFORM
  687. select SIBYTE_SB1250
  688. select SWAP_IO_SPACE
  689. select SYS_HAS_CPU_SB1
  690. select SYS_SUPPORTS_BIG_ENDIAN
  691. select SYS_SUPPORTS_HIGHMEM
  692. select SYS_SUPPORTS_LITTLE_ENDIAN
  693. select ZONE_DMA32 if 64BIT
  694. config SIBYTE_LITTLESUR
  695. bool "Sibyte BCM91250C2-LittleSur"
  696. select BOOT_ELF32
  697. select DMA_COHERENT
  698. select HAVE_PATA_PLATFORM
  699. select SIBYTE_SB1250
  700. select SWAP_IO_SPACE
  701. select SYS_HAS_CPU_SB1
  702. select SYS_SUPPORTS_BIG_ENDIAN
  703. select SYS_SUPPORTS_HIGHMEM
  704. select SYS_SUPPORTS_LITTLE_ENDIAN
  705. config SIBYTE_SENTOSA
  706. bool "Sibyte BCM91250E-Sentosa"
  707. select BOOT_ELF32
  708. select DMA_COHERENT
  709. select SIBYTE_SB1250
  710. select SWAP_IO_SPACE
  711. select SYS_HAS_CPU_SB1
  712. select SYS_SUPPORTS_BIG_ENDIAN
  713. select SYS_SUPPORTS_LITTLE_ENDIAN
  714. config SIBYTE_BIGSUR
  715. bool "Sibyte BCM91480B-BigSur"
  716. select BOOT_ELF32
  717. select DMA_COHERENT
  718. select NR_CPUS_DEFAULT_4
  719. select SIBYTE_BCM1x80
  720. select SWAP_IO_SPACE
  721. select SYS_HAS_CPU_SB1
  722. select SYS_SUPPORTS_BIG_ENDIAN
  723. select SYS_SUPPORTS_HIGHMEM
  724. select SYS_SUPPORTS_LITTLE_ENDIAN
  725. select ZONE_DMA32 if 64BIT
  726. config SNI_RM
  727. bool "SNI RM200/300/400"
  728. select FW_ARC if CPU_LITTLE_ENDIAN
  729. select FW_ARC32 if CPU_LITTLE_ENDIAN
  730. select FW_SNIPROM if CPU_BIG_ENDIAN
  731. select ARCH_MAY_HAVE_PC_FDC
  732. select BOOT_ELF32
  733. select CEVT_R4K
  734. select CSRC_R4K
  735. select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
  736. select DMA_NONCOHERENT
  737. select GENERIC_ISA_DMA
  738. select HAVE_PCSPKR_PLATFORM
  739. select HW_HAS_EISA
  740. select HW_HAS_PCI
  741. select IRQ_MIPS_CPU
  742. select I8253
  743. select I8259
  744. select ISA
  745. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  746. select SYS_HAS_CPU_R4X00
  747. select SYS_HAS_CPU_R5000
  748. select SYS_HAS_CPU_R10000
  749. select R5000_CPU_SCACHE
  750. select SYS_HAS_EARLY_PRINTK
  751. select SYS_SUPPORTS_32BIT_KERNEL
  752. select SYS_SUPPORTS_64BIT_KERNEL
  753. select SYS_SUPPORTS_BIG_ENDIAN
  754. select SYS_SUPPORTS_HIGHMEM
  755. select SYS_SUPPORTS_LITTLE_ENDIAN
  756. help
  757. The SNI RM200/300/400 are MIPS-based machines manufactured by
  758. Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
  759. Technology and now in turn merged with Fujitsu. Say Y here to
  760. support this machine type.
  761. config MACH_TX39XX
  762. bool "Toshiba TX39 series based machines"
  763. config MACH_TX49XX
  764. bool "Toshiba TX49 series based machines"
  765. config MIKROTIK_RB532
  766. bool "Mikrotik RB532 boards"
  767. select CEVT_R4K
  768. select CSRC_R4K
  769. select DMA_NONCOHERENT
  770. select HW_HAS_PCI
  771. select IRQ_MIPS_CPU
  772. select SYS_HAS_CPU_MIPS32_R1
  773. select SYS_SUPPORTS_32BIT_KERNEL
  774. select SYS_SUPPORTS_LITTLE_ENDIAN
  775. select SWAP_IO_SPACE
  776. select BOOT_RAW
  777. select ARCH_REQUIRE_GPIOLIB
  778. select MIPS_L1_CACHE_SHIFT_4
  779. help
  780. Support the Mikrotik(tm) RouterBoard 532 series,
  781. based on the IDT RC32434 SoC.
  782. config CAVIUM_OCTEON_SOC
  783. bool "Cavium Networks Octeon SoC based boards"
  784. select CEVT_R4K
  785. select ARCH_PHYS_ADDR_T_64BIT
  786. select DMA_COHERENT
  787. select SYS_SUPPORTS_64BIT_KERNEL
  788. select SYS_SUPPORTS_BIG_ENDIAN
  789. select EDAC_SUPPORT
  790. select EDAC_ATOMIC_SCRUB
  791. select SYS_SUPPORTS_LITTLE_ENDIAN
  792. select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
  793. select SYS_HAS_EARLY_PRINTK
  794. select SYS_HAS_CPU_CAVIUM_OCTEON
  795. select SWAP_IO_SPACE
  796. select HW_HAS_PCI
  797. select ZONE_DMA32
  798. select HOLES_IN_ZONE
  799. select ARCH_REQUIRE_GPIOLIB
  800. select LIBFDT
  801. select USE_OF
  802. select ARCH_SPARSEMEM_ENABLE
  803. select SYS_SUPPORTS_SMP
  804. select NR_CPUS_DEFAULT_16
  805. select BUILTIN_DTB
  806. select MTD_COMPLEX_MAPPINGS
  807. help
  808. This option supports all of the Octeon reference boards from Cavium
  809. Networks. It builds a kernel that dynamically determines the Octeon
  810. CPU type and supports all known board reference implementations.
  811. Some of the supported boards are:
  812. EBT3000
  813. EBH3000
  814. EBH3100
  815. Thunder
  816. Kodama
  817. Hikari
  818. Say Y here for most Octeon reference boards.
  819. config NLM_XLR_BOARD
  820. bool "Netlogic XLR/XLS based systems"
  821. select BOOT_ELF32
  822. select NLM_COMMON
  823. select SYS_HAS_CPU_XLR
  824. select SYS_SUPPORTS_SMP
  825. select HW_HAS_PCI
  826. select SWAP_IO_SPACE
  827. select SYS_SUPPORTS_32BIT_KERNEL
  828. select SYS_SUPPORTS_64BIT_KERNEL
  829. select ARCH_PHYS_ADDR_T_64BIT
  830. select SYS_SUPPORTS_BIG_ENDIAN
  831. select SYS_SUPPORTS_HIGHMEM
  832. select DMA_COHERENT
  833. select NR_CPUS_DEFAULT_32
  834. select CEVT_R4K
  835. select CSRC_R4K
  836. select IRQ_MIPS_CPU
  837. select ZONE_DMA32 if 64BIT
  838. select SYNC_R4K
  839. select SYS_HAS_EARLY_PRINTK
  840. select SYS_SUPPORTS_ZBOOT
  841. select SYS_SUPPORTS_ZBOOT_UART16550
  842. help
  843. Support for systems based on Netlogic XLR and XLS processors.
  844. Say Y here if you have a XLR or XLS based board.
  845. config NLM_XLP_BOARD
  846. bool "Netlogic XLP based systems"
  847. select BOOT_ELF32
  848. select NLM_COMMON
  849. select SYS_HAS_CPU_XLP
  850. select SYS_SUPPORTS_SMP
  851. select HW_HAS_PCI
  852. select SYS_SUPPORTS_32BIT_KERNEL
  853. select SYS_SUPPORTS_64BIT_KERNEL
  854. select ARCH_PHYS_ADDR_T_64BIT
  855. select ARCH_REQUIRE_GPIOLIB
  856. select SYS_SUPPORTS_BIG_ENDIAN
  857. select SYS_SUPPORTS_LITTLE_ENDIAN
  858. select SYS_SUPPORTS_HIGHMEM
  859. select DMA_COHERENT
  860. select NR_CPUS_DEFAULT_32
  861. select CEVT_R4K
  862. select CSRC_R4K
  863. select IRQ_MIPS_CPU
  864. select ZONE_DMA32 if 64BIT
  865. select SYNC_R4K
  866. select SYS_HAS_EARLY_PRINTK
  867. select USE_OF
  868. select SYS_SUPPORTS_ZBOOT
  869. select SYS_SUPPORTS_ZBOOT_UART16550
  870. help
  871. This board is based on Netlogic XLP Processor.
  872. Say Y here if you have a XLP based board.
  873. config MIPS_PARAVIRT
  874. bool "Para-Virtualized guest system"
  875. select CEVT_R4K
  876. select CSRC_R4K
  877. select DMA_COHERENT
  878. select SYS_SUPPORTS_64BIT_KERNEL
  879. select SYS_SUPPORTS_32BIT_KERNEL
  880. select SYS_SUPPORTS_BIG_ENDIAN
  881. select SYS_SUPPORTS_SMP
  882. select NR_CPUS_DEFAULT_4
  883. select SYS_HAS_EARLY_PRINTK
  884. select SYS_HAS_CPU_MIPS32_R2
  885. select SYS_HAS_CPU_MIPS64_R2
  886. select SYS_HAS_CPU_CAVIUM_OCTEON
  887. select HW_HAS_PCI
  888. select SWAP_IO_SPACE
  889. help
  890. This option supports guest running under ????
  891. endchoice
  892. source "arch/mips/alchemy/Kconfig"
  893. source "arch/mips/ath25/Kconfig"
  894. source "arch/mips/ath79/Kconfig"
  895. source "arch/mips/bcm47xx/Kconfig"
  896. source "arch/mips/bcm63xx/Kconfig"
  897. source "arch/mips/bmips/Kconfig"
  898. source "arch/mips/jazz/Kconfig"
  899. source "arch/mips/jz4740/Kconfig"
  900. source "arch/mips/lantiq/Kconfig"
  901. source "arch/mips/lasat/Kconfig"
  902. source "arch/mips/pistachio/Kconfig"
  903. source "arch/mips/pmcs-msp71xx/Kconfig"
  904. source "arch/mips/ralink/Kconfig"
  905. source "arch/mips/sgi-ip27/Kconfig"
  906. source "arch/mips/sibyte/Kconfig"
  907. source "arch/mips/txx9/Kconfig"
  908. source "arch/mips/vr41xx/Kconfig"
  909. source "arch/mips/cavium-octeon/Kconfig"
  910. source "arch/mips/loongson32/Kconfig"
  911. source "arch/mips/loongson64/Kconfig"
  912. source "arch/mips/netlogic/Kconfig"
  913. source "arch/mips/paravirt/Kconfig"
  914. endmenu
  915. config RWSEM_GENERIC_SPINLOCK
  916. bool
  917. default y
  918. config RWSEM_XCHGADD_ALGORITHM
  919. bool
  920. config ARCH_HAS_ILOG2_U32
  921. bool
  922. default n
  923. config ARCH_HAS_ILOG2_U64
  924. bool
  925. default n
  926. config GENERIC_HWEIGHT
  927. bool
  928. default y
  929. config GENERIC_CALIBRATE_DELAY
  930. bool
  931. default y
  932. config SCHED_OMIT_FRAME_POINTER
  933. bool
  934. default y
  935. #
  936. # Select some configuration options automatically based on user selections.
  937. #
  938. config FW_ARC
  939. bool
  940. config ARCH_MAY_HAVE_PC_FDC
  941. bool
  942. config BOOT_RAW
  943. bool
  944. config CEVT_BCM1480
  945. bool
  946. config CEVT_DS1287
  947. bool
  948. config CEVT_GT641XX
  949. bool
  950. config CEVT_R4K
  951. bool
  952. config CEVT_SB1250
  953. bool
  954. config CEVT_TXX9
  955. bool
  956. config CSRC_BCM1480
  957. bool
  958. config CSRC_IOASIC
  959. bool
  960. config CSRC_R4K
  961. bool
  962. config CSRC_SB1250
  963. bool
  964. config GPIO_TXX9
  965. select ARCH_REQUIRE_GPIOLIB
  966. bool
  967. config FW_CFE
  968. bool
  969. config ARCH_DMA_ADDR_T_64BIT
  970. def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
  971. config ARCH_SUPPORTS_UPROBES
  972. bool
  973. config DMA_MAYBE_COHERENT
  974. select DMA_NONCOHERENT
  975. bool
  976. config DMA_COHERENT
  977. bool
  978. config DMA_NONCOHERENT
  979. bool
  980. select NEED_DMA_MAP_STATE
  981. config NEED_DMA_MAP_STATE
  982. bool
  983. config SYS_HAS_EARLY_PRINTK
  984. bool
  985. config HOTPLUG_CPU
  986. bool "Support for hot-pluggable CPUs"
  987. depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
  988. help
  989. Say Y here to allow turning CPUs off and on. CPUs can be
  990. controlled through /sys/devices/system/cpu.
  991. (Note: power management support will enable this option
  992. automatically on SMP systems. )
  993. Say N if you want to disable CPU hotplug.
  994. config SYS_SUPPORTS_HOTPLUG_CPU
  995. bool
  996. config MIPS_BONITO64
  997. bool
  998. config MIPS_MSC
  999. bool
  1000. config MIPS_NILE4
  1001. bool
  1002. config SYNC_R4K
  1003. bool
  1004. config MIPS_MACHINE
  1005. def_bool n
  1006. config NO_IOPORT_MAP
  1007. def_bool n
  1008. config GENERIC_CSUM
  1009. bool
  1010. config GENERIC_ISA_DMA
  1011. bool
  1012. select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
  1013. select ISA_DMA_API
  1014. config GENERIC_ISA_DMA_SUPPORT_BROKEN
  1015. bool
  1016. select GENERIC_ISA_DMA
  1017. config ISA_DMA_API
  1018. bool
  1019. config HOLES_IN_ZONE
  1020. bool
  1021. #
  1022. # Endianness selection. Sufficiently obscure so many users don't know what to
  1023. # answer,so we try hard to limit the available choices. Also the use of a
  1024. # choice statement should be more obvious to the user.
  1025. #
  1026. choice
  1027. prompt "Endianness selection"
  1028. help
  1029. Some MIPS machines can be configured for either little or big endian
  1030. byte order. These modes require different kernels and a different
  1031. Linux distribution. In general there is one preferred byteorder for a
  1032. particular system but some systems are just as commonly used in the
  1033. one or the other endianness.
  1034. config CPU_BIG_ENDIAN
  1035. bool "Big endian"
  1036. depends on SYS_SUPPORTS_BIG_ENDIAN
  1037. config CPU_LITTLE_ENDIAN
  1038. bool "Little endian"
  1039. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  1040. endchoice
  1041. config EXPORT_UASM
  1042. bool
  1043. config SYS_SUPPORTS_APM_EMULATION
  1044. bool
  1045. config SYS_SUPPORTS_BIG_ENDIAN
  1046. bool
  1047. config SYS_SUPPORTS_LITTLE_ENDIAN
  1048. bool
  1049. config SYS_SUPPORTS_HUGETLBFS
  1050. bool
  1051. depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
  1052. default y
  1053. config MIPS_HUGE_TLB_SUPPORT
  1054. def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
  1055. config IRQ_CPU_RM7K
  1056. bool
  1057. config IRQ_MSP_SLP
  1058. bool
  1059. config IRQ_MSP_CIC
  1060. bool
  1061. config IRQ_TXX9
  1062. bool
  1063. config IRQ_GT641XX
  1064. bool
  1065. config PCI_GT64XXX_PCI0
  1066. bool
  1067. config NO_EXCEPT_FILL
  1068. bool
  1069. config SOC_EMMA2RH
  1070. bool
  1071. select CEVT_R4K
  1072. select CSRC_R4K
  1073. select DMA_NONCOHERENT
  1074. select IRQ_MIPS_CPU
  1075. select SWAP_IO_SPACE
  1076. select SYS_HAS_CPU_R5500
  1077. select SYS_SUPPORTS_32BIT_KERNEL
  1078. select SYS_SUPPORTS_64BIT_KERNEL
  1079. select SYS_SUPPORTS_BIG_ENDIAN
  1080. config SOC_PNX833X
  1081. bool
  1082. select CEVT_R4K
  1083. select CSRC_R4K
  1084. select IRQ_MIPS_CPU
  1085. select DMA_NONCOHERENT
  1086. select SYS_HAS_CPU_MIPS32_R2
  1087. select SYS_SUPPORTS_32BIT_KERNEL
  1088. select SYS_SUPPORTS_LITTLE_ENDIAN
  1089. select SYS_SUPPORTS_BIG_ENDIAN
  1090. select SYS_SUPPORTS_MIPS16
  1091. select CPU_MIPSR2_IRQ_VI
  1092. config SOC_PNX8335
  1093. bool
  1094. select SOC_PNX833X
  1095. config MIPS_SPRAM
  1096. bool
  1097. config SWAP_IO_SPACE
  1098. bool
  1099. config SGI_HAS_INDYDOG
  1100. bool
  1101. config SGI_HAS_HAL2
  1102. bool
  1103. config SGI_HAS_SEEQ
  1104. bool
  1105. config SGI_HAS_WD93
  1106. bool
  1107. config SGI_HAS_ZILOG
  1108. bool
  1109. config SGI_HAS_I8042
  1110. bool
  1111. config DEFAULT_SGI_PARTITION
  1112. bool
  1113. config FW_ARC32
  1114. bool
  1115. config FW_SNIPROM
  1116. bool
  1117. config BOOT_ELF32
  1118. bool
  1119. config MIPS_L1_CACHE_SHIFT_4
  1120. bool
  1121. config MIPS_L1_CACHE_SHIFT_5
  1122. bool
  1123. config MIPS_L1_CACHE_SHIFT_6
  1124. bool
  1125. config MIPS_L1_CACHE_SHIFT_7
  1126. bool
  1127. config MIPS_L1_CACHE_SHIFT
  1128. int
  1129. default "7" if MIPS_L1_CACHE_SHIFT_7
  1130. default "6" if MIPS_L1_CACHE_SHIFT_6
  1131. default "5" if MIPS_L1_CACHE_SHIFT_5
  1132. default "4" if MIPS_L1_CACHE_SHIFT_4
  1133. default "5"
  1134. config HAVE_STD_PC_SERIAL_PORT
  1135. bool
  1136. config ARC_CONSOLE
  1137. bool "ARC console support"
  1138. depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
  1139. config ARC_MEMORY
  1140. bool
  1141. depends on MACH_JAZZ || SNI_RM || SGI_IP32
  1142. default y
  1143. config ARC_PROMLIB
  1144. bool
  1145. depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
  1146. default y
  1147. config FW_ARC64
  1148. bool
  1149. config BOOT_ELF64
  1150. bool
  1151. menu "CPU selection"
  1152. choice
  1153. prompt "CPU type"
  1154. default CPU_R4X00
  1155. config CPU_LOONGSON3
  1156. bool "Loongson 3 CPU"
  1157. depends on SYS_HAS_CPU_LOONGSON3
  1158. select CPU_SUPPORTS_64BIT_KERNEL
  1159. select CPU_SUPPORTS_HIGHMEM
  1160. select CPU_SUPPORTS_HUGEPAGES
  1161. select WEAK_ORDERING
  1162. select WEAK_REORDERING_BEYOND_LLSC
  1163. select ARCH_REQUIRE_GPIOLIB
  1164. help
  1165. The Loongson 3 processor implements the MIPS64R2 instruction
  1166. set with many extensions.
  1167. config CPU_LOONGSON2E
  1168. bool "Loongson 2E"
  1169. depends on SYS_HAS_CPU_LOONGSON2E
  1170. select CPU_LOONGSON2
  1171. help
  1172. The Loongson 2E processor implements the MIPS III instruction set
  1173. with many extensions.
  1174. It has an internal FPGA northbridge, which is compatible to
  1175. bonito64.
  1176. config CPU_LOONGSON2F
  1177. bool "Loongson 2F"
  1178. depends on SYS_HAS_CPU_LOONGSON2F
  1179. select CPU_LOONGSON2
  1180. select ARCH_REQUIRE_GPIOLIB
  1181. help
  1182. The Loongson 2F processor implements the MIPS III instruction set
  1183. with many extensions.
  1184. Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
  1185. have a similar programming interface with FPGA northbridge used in
  1186. Loongson2E.
  1187. config CPU_LOONGSON1B
  1188. bool "Loongson 1B"
  1189. depends on SYS_HAS_CPU_LOONGSON1B
  1190. select CPU_LOONGSON1
  1191. help
  1192. The Loongson 1B is a 32-bit SoC, which implements the MIPS32
  1193. release 2 instruction set.
  1194. config CPU_MIPS32_R1
  1195. bool "MIPS32 Release 1"
  1196. depends on SYS_HAS_CPU_MIPS32_R1
  1197. select CPU_HAS_PREFETCH
  1198. select CPU_SUPPORTS_32BIT_KERNEL
  1199. select CPU_SUPPORTS_HIGHMEM
  1200. help
  1201. Choose this option to build a kernel for release 1 or later of the
  1202. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1203. MIPS processor are based on a MIPS32 processor. If you know the
  1204. specific type of processor in your system, choose those that one
  1205. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1206. Release 2 of the MIPS32 architecture is available since several
  1207. years so chances are you even have a MIPS32 Release 2 processor
  1208. in which case you should choose CPU_MIPS32_R2 instead for better
  1209. performance.
  1210. config CPU_MIPS32_R2
  1211. bool "MIPS32 Release 2"
  1212. depends on SYS_HAS_CPU_MIPS32_R2
  1213. select CPU_HAS_PREFETCH
  1214. select CPU_SUPPORTS_32BIT_KERNEL
  1215. select CPU_SUPPORTS_HIGHMEM
  1216. select CPU_SUPPORTS_MSA
  1217. select HAVE_KVM
  1218. help
  1219. Choose this option to build a kernel for release 2 or later of the
  1220. MIPS32 architecture. Most modern embedded systems with a 32-bit
  1221. MIPS processor are based on a MIPS32 processor. If you know the
  1222. specific type of processor in your system, choose those that one
  1223. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  1224. config CPU_MIPS32_R6
  1225. bool "MIPS32 Release 6"
  1226. depends on SYS_HAS_CPU_MIPS32_R6
  1227. select CPU_HAS_PREFETCH
  1228. select CPU_SUPPORTS_32BIT_KERNEL
  1229. select CPU_SUPPORTS_HIGHMEM
  1230. select CPU_SUPPORTS_MSA
  1231. select GENERIC_CSUM
  1232. select HAVE_KVM
  1233. select MIPS_O32_FP64_SUPPORT
  1234. help
  1235. Choose this option to build a kernel for release 6 or later of the
  1236. MIPS32 architecture. New MIPS processors, starting with the Warrior
  1237. family, are based on a MIPS32r6 processor. If you own an older
  1238. processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
  1239. config CPU_MIPS64_R1
  1240. bool "MIPS64 Release 1"
  1241. depends on SYS_HAS_CPU_MIPS64_R1
  1242. select CPU_HAS_PREFETCH
  1243. select CPU_SUPPORTS_32BIT_KERNEL
  1244. select CPU_SUPPORTS_64BIT_KERNEL
  1245. select CPU_SUPPORTS_HIGHMEM
  1246. select CPU_SUPPORTS_HUGEPAGES
  1247. help
  1248. Choose this option to build a kernel for release 1 or later of the
  1249. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1250. MIPS processor are based on a MIPS64 processor. If you know the
  1251. specific type of processor in your system, choose those that one
  1252. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1253. Release 2 of the MIPS64 architecture is available since several
  1254. years so chances are you even have a MIPS64 Release 2 processor
  1255. in which case you should choose CPU_MIPS64_R2 instead for better
  1256. performance.
  1257. config CPU_MIPS64_R2
  1258. bool "MIPS64 Release 2"
  1259. depends on SYS_HAS_CPU_MIPS64_R2
  1260. select CPU_HAS_PREFETCH
  1261. select CPU_SUPPORTS_32BIT_KERNEL
  1262. select CPU_SUPPORTS_64BIT_KERNEL
  1263. select CPU_SUPPORTS_HIGHMEM
  1264. select CPU_SUPPORTS_HUGEPAGES
  1265. select CPU_SUPPORTS_MSA
  1266. help
  1267. Choose this option to build a kernel for release 2 or later of the
  1268. MIPS64 architecture. Many modern embedded systems with a 64-bit
  1269. MIPS processor are based on a MIPS64 processor. If you know the
  1270. specific type of processor in your system, choose those that one
  1271. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  1272. config CPU_MIPS64_R6
  1273. bool "MIPS64 Release 6"
  1274. depends on SYS_HAS_CPU_MIPS64_R6
  1275. select CPU_HAS_PREFETCH
  1276. select CPU_SUPPORTS_32BIT_KERNEL
  1277. select CPU_SUPPORTS_64BIT_KERNEL
  1278. select CPU_SUPPORTS_HIGHMEM
  1279. select CPU_SUPPORTS_MSA
  1280. select GENERIC_CSUM
  1281. select MIPS_O32_FP64_SUPPORT if MIPS32_O32
  1282. help
  1283. Choose this option to build a kernel for release 6 or later of the
  1284. MIPS64 architecture. New MIPS processors, starting with the Warrior
  1285. family, are based on a MIPS64r6 processor. If you own an older
  1286. processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
  1287. config CPU_R3000
  1288. bool "R3000"
  1289. depends on SYS_HAS_CPU_R3000
  1290. select CPU_HAS_WB
  1291. select CPU_SUPPORTS_32BIT_KERNEL
  1292. select CPU_SUPPORTS_HIGHMEM
  1293. help
  1294. Please make sure to pick the right CPU type. Linux/MIPS is not
  1295. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  1296. *not* work on R4000 machines and vice versa. However, since most
  1297. of the supported machines have an R4000 (or similar) CPU, R4x00
  1298. might be a safe bet. If the resulting kernel does not work,
  1299. try to recompile with R3000.
  1300. config CPU_TX39XX
  1301. bool "R39XX"
  1302. depends on SYS_HAS_CPU_TX39XX
  1303. select CPU_SUPPORTS_32BIT_KERNEL
  1304. config CPU_VR41XX
  1305. bool "R41xx"
  1306. depends on SYS_HAS_CPU_VR41XX
  1307. select CPU_SUPPORTS_32BIT_KERNEL
  1308. select CPU_SUPPORTS_64BIT_KERNEL
  1309. help
  1310. The options selects support for the NEC VR4100 series of processors.
  1311. Only choose this option if you have one of these processors as a
  1312. kernel built with this option will not run on any other type of
  1313. processor or vice versa.
  1314. config CPU_R4300
  1315. bool "R4300"
  1316. depends on SYS_HAS_CPU_R4300
  1317. select CPU_SUPPORTS_32BIT_KERNEL
  1318. select CPU_SUPPORTS_64BIT_KERNEL
  1319. help
  1320. MIPS Technologies R4300-series processors.
  1321. config CPU_R4X00
  1322. bool "R4x00"
  1323. depends on SYS_HAS_CPU_R4X00
  1324. select CPU_SUPPORTS_32BIT_KERNEL
  1325. select CPU_SUPPORTS_64BIT_KERNEL
  1326. select CPU_SUPPORTS_HUGEPAGES
  1327. help
  1328. MIPS Technologies R4000-series processors other than 4300, including
  1329. the R4000, R4400, R4600, and 4700.
  1330. config CPU_TX49XX
  1331. bool "R49XX"
  1332. depends on SYS_HAS_CPU_TX49XX
  1333. select CPU_HAS_PREFETCH
  1334. select CPU_SUPPORTS_32BIT_KERNEL
  1335. select CPU_SUPPORTS_64BIT_KERNEL
  1336. select CPU_SUPPORTS_HUGEPAGES
  1337. config CPU_R5000
  1338. bool "R5000"
  1339. depends on SYS_HAS_CPU_R5000
  1340. select CPU_SUPPORTS_32BIT_KERNEL
  1341. select CPU_SUPPORTS_64BIT_KERNEL
  1342. select CPU_SUPPORTS_HUGEPAGES
  1343. help
  1344. MIPS Technologies R5000-series processors other than the Nevada.
  1345. config CPU_R5432
  1346. bool "R5432"
  1347. depends on SYS_HAS_CPU_R5432
  1348. select CPU_SUPPORTS_32BIT_KERNEL
  1349. select CPU_SUPPORTS_64BIT_KERNEL
  1350. select CPU_SUPPORTS_HUGEPAGES
  1351. config CPU_R5500
  1352. bool "R5500"
  1353. depends on SYS_HAS_CPU_R5500
  1354. select CPU_SUPPORTS_32BIT_KERNEL
  1355. select CPU_SUPPORTS_64BIT_KERNEL
  1356. select CPU_SUPPORTS_HUGEPAGES
  1357. help
  1358. NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
  1359. instruction set.
  1360. config CPU_R6000
  1361. bool "R6000"
  1362. depends on SYS_HAS_CPU_R6000
  1363. select CPU_SUPPORTS_32BIT_KERNEL
  1364. help
  1365. MIPS Technologies R6000 and R6000A series processors. Note these
  1366. processors are extremely rare and the support for them is incomplete.
  1367. config CPU_NEVADA
  1368. bool "RM52xx"
  1369. depends on SYS_HAS_CPU_NEVADA
  1370. select CPU_SUPPORTS_32BIT_KERNEL
  1371. select CPU_SUPPORTS_64BIT_KERNEL
  1372. select CPU_SUPPORTS_HUGEPAGES
  1373. help
  1374. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1375. config CPU_R8000
  1376. bool "R8000"
  1377. depends on SYS_HAS_CPU_R8000
  1378. select CPU_HAS_PREFETCH
  1379. select CPU_SUPPORTS_64BIT_KERNEL
  1380. help
  1381. MIPS Technologies R8000 processors. Note these processors are
  1382. uncommon and the support for them is incomplete.
  1383. config CPU_R10000
  1384. bool "R10000"
  1385. depends on SYS_HAS_CPU_R10000
  1386. select CPU_HAS_PREFETCH
  1387. select CPU_SUPPORTS_32BIT_KERNEL
  1388. select CPU_SUPPORTS_64BIT_KERNEL
  1389. select CPU_SUPPORTS_HIGHMEM
  1390. select CPU_SUPPORTS_HUGEPAGES
  1391. help
  1392. MIPS Technologies R10000-series processors.
  1393. config CPU_RM7000
  1394. bool "RM7000"
  1395. depends on SYS_HAS_CPU_RM7000
  1396. select CPU_HAS_PREFETCH
  1397. select CPU_SUPPORTS_32BIT_KERNEL
  1398. select CPU_SUPPORTS_64BIT_KERNEL
  1399. select CPU_SUPPORTS_HIGHMEM
  1400. select CPU_SUPPORTS_HUGEPAGES
  1401. config CPU_SB1
  1402. bool "SB1"
  1403. depends on SYS_HAS_CPU_SB1
  1404. select CPU_SUPPORTS_32BIT_KERNEL
  1405. select CPU_SUPPORTS_64BIT_KERNEL
  1406. select CPU_SUPPORTS_HIGHMEM
  1407. select CPU_SUPPORTS_HUGEPAGES
  1408. select WEAK_ORDERING
  1409. config CPU_CAVIUM_OCTEON
  1410. bool "Cavium Octeon processor"
  1411. depends on SYS_HAS_CPU_CAVIUM_OCTEON
  1412. select CPU_HAS_PREFETCH
  1413. select CPU_SUPPORTS_64BIT_KERNEL
  1414. select WEAK_ORDERING
  1415. select CPU_SUPPORTS_HIGHMEM
  1416. select CPU_SUPPORTS_HUGEPAGES
  1417. select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
  1418. select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
  1419. select MIPS_L1_CACHE_SHIFT_7
  1420. help
  1421. The Cavium Octeon processor is a highly integrated chip containing
  1422. many ethernet hardware widgets for networking tasks. The processor
  1423. can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
  1424. Full details can be found at http://www.caviumnetworks.com.
  1425. config CPU_BMIPS
  1426. bool "Broadcom BMIPS"
  1427. depends on SYS_HAS_CPU_BMIPS
  1428. select CPU_MIPS32
  1429. select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
  1430. select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
  1431. select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
  1432. select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
  1433. select CPU_SUPPORTS_32BIT_KERNEL
  1434. select DMA_NONCOHERENT
  1435. select IRQ_MIPS_CPU
  1436. select SWAP_IO_SPACE
  1437. select WEAK_ORDERING
  1438. select CPU_SUPPORTS_HIGHMEM
  1439. select CPU_HAS_PREFETCH
  1440. help
  1441. Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
  1442. config CPU_XLR
  1443. bool "Netlogic XLR SoC"
  1444. depends on SYS_HAS_CPU_XLR
  1445. select CPU_SUPPORTS_32BIT_KERNEL
  1446. select CPU_SUPPORTS_64BIT_KERNEL
  1447. select CPU_SUPPORTS_HIGHMEM
  1448. select CPU_SUPPORTS_HUGEPAGES
  1449. select WEAK_ORDERING
  1450. select WEAK_REORDERING_BEYOND_LLSC
  1451. help
  1452. Netlogic Microsystems XLR/XLS processors.
  1453. config CPU_XLP
  1454. bool "Netlogic XLP SoC"
  1455. depends on SYS_HAS_CPU_XLP
  1456. select CPU_SUPPORTS_32BIT_KERNEL
  1457. select CPU_SUPPORTS_64BIT_KERNEL
  1458. select CPU_SUPPORTS_HIGHMEM
  1459. select WEAK_ORDERING
  1460. select WEAK_REORDERING_BEYOND_LLSC
  1461. select CPU_HAS_PREFETCH
  1462. select CPU_MIPSR2
  1463. select CPU_SUPPORTS_HUGEPAGES
  1464. help
  1465. Netlogic Microsystems XLP processors.
  1466. endchoice
  1467. config CPU_MIPS32_3_5_FEATURES
  1468. bool "MIPS32 Release 3.5 Features"
  1469. depends on SYS_HAS_CPU_MIPS32_R3_5
  1470. depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
  1471. help
  1472. Choose this option to build a kernel for release 2 or later of the
  1473. MIPS32 architecture including features from the 3.5 release such as
  1474. support for Enhanced Virtual Addressing (EVA).
  1475. config CPU_MIPS32_3_5_EVA
  1476. bool "Enhanced Virtual Addressing (EVA)"
  1477. depends on CPU_MIPS32_3_5_FEATURES
  1478. select EVA
  1479. default y
  1480. help
  1481. Choose this option if you want to enable the Enhanced Virtual
  1482. Addressing (EVA) on your MIPS32 core (such as proAptiv).
  1483. One of its primary benefits is an increase in the maximum size
  1484. of lowmem (up to 3GB). If unsure, say 'N' here.
  1485. config CPU_MIPS32_R5_FEATURES
  1486. bool "MIPS32 Release 5 Features"
  1487. depends on SYS_HAS_CPU_MIPS32_R5
  1488. depends on CPU_MIPS32_R2
  1489. help
  1490. Choose this option to build a kernel for release 2 or later of the
  1491. MIPS32 architecture including features from release 5 such as
  1492. support for Extended Physical Addressing (XPA).
  1493. config CPU_MIPS32_R5_XPA
  1494. bool "Extended Physical Addressing (XPA)"
  1495. depends on CPU_MIPS32_R5_FEATURES
  1496. depends on !EVA
  1497. depends on !PAGE_SIZE_4KB
  1498. depends on SYS_SUPPORTS_HIGHMEM
  1499. select XPA
  1500. select HIGHMEM
  1501. select ARCH_PHYS_ADDR_T_64BIT
  1502. default n
  1503. help
  1504. Choose this option if you want to enable the Extended Physical
  1505. Addressing (XPA) on your MIPS32 core (such as P5600 series). The
  1506. benefit is to increase physical addressing equal to or greater
  1507. than 40 bits. Note that this has the side effect of turning on
  1508. 64-bit addressing which in turn makes the PTEs 64-bit in size.
  1509. If unsure, say 'N' here.
  1510. if CPU_LOONGSON2F
  1511. config CPU_NOP_WORKAROUNDS
  1512. bool
  1513. config CPU_JUMP_WORKAROUNDS
  1514. bool
  1515. config CPU_LOONGSON2F_WORKAROUNDS
  1516. bool "Loongson 2F Workarounds"
  1517. default y
  1518. select CPU_NOP_WORKAROUNDS
  1519. select CPU_JUMP_WORKAROUNDS
  1520. help
  1521. Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
  1522. require workarounds. Without workarounds the system may hang
  1523. unexpectedly. For more information please refer to the gas
  1524. -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
  1525. Loongson 2F03 and later have fixed these issues and no workarounds
  1526. are needed. The workarounds have no significant side effect on them
  1527. but may decrease the performance of the system so this option should
  1528. be disabled unless the kernel is intended to be run on 2F01 or 2F02
  1529. systems.
  1530. If unsure, please say Y.
  1531. endif # CPU_LOONGSON2F
  1532. config SYS_SUPPORTS_ZBOOT
  1533. bool
  1534. select HAVE_KERNEL_GZIP
  1535. select HAVE_KERNEL_BZIP2
  1536. select HAVE_KERNEL_LZ4
  1537. select HAVE_KERNEL_LZMA
  1538. select HAVE_KERNEL_LZO
  1539. select HAVE_KERNEL_XZ
  1540. config SYS_SUPPORTS_ZBOOT_UART16550
  1541. bool
  1542. select SYS_SUPPORTS_ZBOOT
  1543. config CPU_LOONGSON2
  1544. bool
  1545. select CPU_SUPPORTS_32BIT_KERNEL
  1546. select CPU_SUPPORTS_64BIT_KERNEL
  1547. select CPU_SUPPORTS_HIGHMEM
  1548. select CPU_SUPPORTS_HUGEPAGES
  1549. config CPU_LOONGSON1
  1550. bool
  1551. select CPU_MIPS32
  1552. select CPU_MIPSR2
  1553. select CPU_HAS_PREFETCH
  1554. select CPU_SUPPORTS_32BIT_KERNEL
  1555. select CPU_SUPPORTS_HIGHMEM
  1556. select CPU_SUPPORTS_CPUFREQ
  1557. config CPU_BMIPS32_3300
  1558. select SMP_UP if SMP
  1559. bool
  1560. config CPU_BMIPS4350
  1561. bool
  1562. select SYS_SUPPORTS_SMP
  1563. select SYS_SUPPORTS_HOTPLUG_CPU
  1564. config CPU_BMIPS4380
  1565. bool
  1566. select MIPS_L1_CACHE_SHIFT_6
  1567. select SYS_SUPPORTS_SMP
  1568. select SYS_SUPPORTS_HOTPLUG_CPU
  1569. config CPU_BMIPS5000
  1570. bool
  1571. select MIPS_CPU_SCACHE
  1572. select MIPS_L1_CACHE_SHIFT_7
  1573. select SYS_SUPPORTS_SMP
  1574. select SYS_SUPPORTS_HOTPLUG_CPU
  1575. config SYS_HAS_CPU_LOONGSON3
  1576. bool
  1577. select CPU_SUPPORTS_CPUFREQ
  1578. config SYS_HAS_CPU_LOONGSON2E
  1579. bool
  1580. config SYS_HAS_CPU_LOONGSON2F
  1581. bool
  1582. select CPU_SUPPORTS_CPUFREQ
  1583. select CPU_SUPPORTS_ADDRWINCFG if 64BIT
  1584. select CPU_SUPPORTS_UNCACHED_ACCELERATED
  1585. config SYS_HAS_CPU_LOONGSON1B
  1586. bool
  1587. config SYS_HAS_CPU_MIPS32_R1
  1588. bool
  1589. config SYS_HAS_CPU_MIPS32_R2
  1590. bool
  1591. config SYS_HAS_CPU_MIPS32_R3_5
  1592. bool
  1593. config SYS_HAS_CPU_MIPS32_R5
  1594. bool
  1595. config SYS_HAS_CPU_MIPS32_R6
  1596. bool
  1597. config SYS_HAS_CPU_MIPS64_R1
  1598. bool
  1599. config SYS_HAS_CPU_MIPS64_R2
  1600. bool
  1601. config SYS_HAS_CPU_MIPS64_R6
  1602. bool
  1603. config SYS_HAS_CPU_R3000
  1604. bool
  1605. config SYS_HAS_CPU_TX39XX
  1606. bool
  1607. config SYS_HAS_CPU_VR41XX
  1608. bool
  1609. config SYS_HAS_CPU_R4300
  1610. bool
  1611. config SYS_HAS_CPU_R4X00
  1612. bool
  1613. config SYS_HAS_CPU_TX49XX
  1614. bool
  1615. config SYS_HAS_CPU_R5000
  1616. bool
  1617. config SYS_HAS_CPU_R5432
  1618. bool
  1619. config SYS_HAS_CPU_R5500
  1620. bool
  1621. config SYS_HAS_CPU_R6000
  1622. bool
  1623. config SYS_HAS_CPU_NEVADA
  1624. bool
  1625. config SYS_HAS_CPU_R8000
  1626. bool
  1627. config SYS_HAS_CPU_R10000
  1628. bool
  1629. config SYS_HAS_CPU_RM7000
  1630. bool
  1631. config SYS_HAS_CPU_SB1
  1632. bool
  1633. config SYS_HAS_CPU_CAVIUM_OCTEON
  1634. bool
  1635. config SYS_HAS_CPU_BMIPS
  1636. bool
  1637. config SYS_HAS_CPU_BMIPS32_3300
  1638. bool
  1639. select SYS_HAS_CPU_BMIPS
  1640. config SYS_HAS_CPU_BMIPS4350
  1641. bool
  1642. select SYS_HAS_CPU_BMIPS
  1643. config SYS_HAS_CPU_BMIPS4380
  1644. bool
  1645. select SYS_HAS_CPU_BMIPS
  1646. config SYS_HAS_CPU_BMIPS5000
  1647. bool
  1648. select SYS_HAS_CPU_BMIPS
  1649. config SYS_HAS_CPU_XLR
  1650. bool
  1651. config SYS_HAS_CPU_XLP
  1652. bool
  1653. config MIPS_MALTA_PM
  1654. depends on MIPS_MALTA
  1655. depends on PCI
  1656. bool
  1657. default y
  1658. #
  1659. # CPU may reorder R->R, R->W, W->R, W->W
  1660. # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
  1661. #
  1662. config WEAK_ORDERING
  1663. bool
  1664. #
  1665. # CPU may reorder reads and writes beyond LL/SC
  1666. # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
  1667. #
  1668. config WEAK_REORDERING_BEYOND_LLSC
  1669. bool
  1670. endmenu
  1671. #
  1672. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1673. #
  1674. config CPU_MIPS32
  1675. bool
  1676. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
  1677. config CPU_MIPS64
  1678. bool
  1679. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
  1680. #
  1681. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1682. #
  1683. config CPU_MIPSR1
  1684. bool
  1685. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1686. config CPU_MIPSR2
  1687. bool
  1688. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
  1689. select MIPS_SPRAM
  1690. config CPU_MIPSR6
  1691. bool
  1692. default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
  1693. select MIPS_SPRAM
  1694. config EVA
  1695. bool
  1696. config XPA
  1697. bool
  1698. config SYS_SUPPORTS_32BIT_KERNEL
  1699. bool
  1700. config SYS_SUPPORTS_64BIT_KERNEL
  1701. bool
  1702. config CPU_SUPPORTS_32BIT_KERNEL
  1703. bool
  1704. config CPU_SUPPORTS_64BIT_KERNEL
  1705. bool
  1706. config CPU_SUPPORTS_CPUFREQ
  1707. bool
  1708. config CPU_SUPPORTS_ADDRWINCFG
  1709. bool
  1710. config CPU_SUPPORTS_HUGEPAGES
  1711. bool
  1712. config CPU_SUPPORTS_UNCACHED_ACCELERATED
  1713. bool
  1714. config MIPS_PGD_C0_CONTEXT
  1715. bool
  1716. default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
  1717. #
  1718. # Set to y for ptrace access to watch registers.
  1719. #
  1720. config HARDWARE_WATCHPOINTS
  1721. bool
  1722. default y if CPU_MIPSR1 || CPU_MIPSR2
  1723. menu "Kernel type"
  1724. choice
  1725. prompt "Kernel code model"
  1726. help
  1727. You should only select this option if you have a workload that
  1728. actually benefits from 64-bit processing or if your machine has
  1729. large memory. You will only be presented a single option in this
  1730. menu if your system does not support both 32-bit and 64-bit kernels.
  1731. config 32BIT
  1732. bool "32-bit kernel"
  1733. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1734. select TRAD_SIGNALS
  1735. help
  1736. Select this option if you want to build a 32-bit kernel.
  1737. config 64BIT
  1738. bool "64-bit kernel"
  1739. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1740. help
  1741. Select this option if you want to build a 64-bit kernel.
  1742. endchoice
  1743. config KVM_GUEST
  1744. bool "KVM Guest Kernel"
  1745. depends on BROKEN_ON_SMP
  1746. help
  1747. Select this option if building a guest kernel for KVM (Trap & Emulate) mode
  1748. config KVM_GUEST_TIMER_FREQ
  1749. int "Count/Compare Timer Frequency (MHz)"
  1750. depends on KVM_GUEST
  1751. default 100
  1752. help
  1753. Set this to non-zero if building a guest kernel for KVM to skip RTC
  1754. emulation when determining guest CPU Frequency. Instead, the guest's
  1755. timer frequency is specified directly.
  1756. choice
  1757. prompt "Kernel page size"
  1758. default PAGE_SIZE_4KB
  1759. config PAGE_SIZE_4KB
  1760. bool "4kB"
  1761. depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
  1762. help
  1763. This option select the standard 4kB Linux page size. On some
  1764. R3000-family processors this is the only available page size. Using
  1765. 4kB page size will minimize memory consumption and is therefore
  1766. recommended for low memory systems.
  1767. config PAGE_SIZE_8KB
  1768. bool "8kB"
  1769. depends on CPU_R8000 || CPU_CAVIUM_OCTEON
  1770. help
  1771. Using 8kB page size will result in higher performance kernel at
  1772. the price of higher memory consumption. This option is available
  1773. only on R8000 and cnMIPS processors. Note that you will need a
  1774. suitable Linux distribution to support this.
  1775. config PAGE_SIZE_16KB
  1776. bool "16kB"
  1777. depends on !CPU_R3000 && !CPU_TX39XX
  1778. help
  1779. Using 16kB page size will result in higher performance kernel at
  1780. the price of higher memory consumption. This option is available on
  1781. all non-R3000 family processors. Note that you will need a suitable
  1782. Linux distribution to support this.
  1783. config PAGE_SIZE_32KB
  1784. bool "32kB"
  1785. depends on CPU_CAVIUM_OCTEON
  1786. help
  1787. Using 32kB page size will result in higher performance kernel at
  1788. the price of higher memory consumption. This option is available
  1789. only on cnMIPS cores. Note that you will need a suitable Linux
  1790. distribution to support this.
  1791. config PAGE_SIZE_64KB
  1792. bool "64kB"
  1793. depends on !CPU_R3000 && !CPU_TX39XX
  1794. help
  1795. Using 64kB page size will result in higher performance kernel at
  1796. the price of higher memory consumption. This option is available on
  1797. all non-R3000 family processor. Not that at the time of this
  1798. writing this option is still high experimental.
  1799. endchoice
  1800. config FORCE_MAX_ZONEORDER
  1801. int "Maximum zone order"
  1802. range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
  1803. default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
  1804. range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
  1805. default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
  1806. range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
  1807. default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
  1808. range 11 64
  1809. default "11"
  1810. help
  1811. The kernel memory allocator divides physically contiguous memory
  1812. blocks into "zones", where each zone is a power of two number of
  1813. pages. This option selects the largest power of two that the kernel
  1814. keeps in the memory allocator. If you need to allocate very large
  1815. blocks of physically contiguous memory, then you may need to
  1816. increase this value.
  1817. This config option is actually maximum order plus one. For example,
  1818. a value of 11 means that the largest free memory block is 2^10 pages.
  1819. The page size is not necessarily 4KB. Keep this in mind
  1820. when choosing a value for this option.
  1821. config BOARD_SCACHE
  1822. bool
  1823. config IP22_CPU_SCACHE
  1824. bool
  1825. select BOARD_SCACHE
  1826. #
  1827. # Support for a MIPS32 / MIPS64 style S-caches
  1828. #
  1829. config MIPS_CPU_SCACHE
  1830. bool
  1831. select BOARD_SCACHE
  1832. config R5000_CPU_SCACHE
  1833. bool
  1834. select BOARD_SCACHE
  1835. config RM7000_CPU_SCACHE
  1836. bool
  1837. select BOARD_SCACHE
  1838. config SIBYTE_DMA_PAGEOPS
  1839. bool "Use DMA to clear/copy pages"
  1840. depends on CPU_SB1
  1841. help
  1842. Instead of using the CPU to zero and copy pages, use a Data Mover
  1843. channel. These DMA channels are otherwise unused by the standard
  1844. SiByte Linux port. Seems to give a small performance benefit.
  1845. config CPU_HAS_PREFETCH
  1846. bool
  1847. config CPU_GENERIC_DUMP_TLB
  1848. bool
  1849. default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
  1850. config CPU_R4K_FPU
  1851. bool
  1852. default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1853. config CPU_R4K_CACHE_TLB
  1854. bool
  1855. default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
  1856. config MIPS_MT_SMP
  1857. bool "MIPS MT SMP support (1 TC on each available VPE)"
  1858. depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
  1859. select CPU_MIPSR2_IRQ_VI
  1860. select CPU_MIPSR2_IRQ_EI
  1861. select SYNC_R4K
  1862. select MIPS_GIC_IPI
  1863. select MIPS_MT
  1864. select SMP
  1865. select SMP_UP
  1866. select SYS_SUPPORTS_SMP
  1867. select SYS_SUPPORTS_SCHED_SMT
  1868. select MIPS_PERF_SHARED_TC_COUNTERS
  1869. help
  1870. This is a kernel model which is known as SMVP. This is supported
  1871. on cores with the MT ASE and uses the available VPEs to implement
  1872. virtual processors which supports SMP. This is equivalent to the
  1873. Intel Hyperthreading feature. For further information go to
  1874. <http://www.imgtec.com/mips/mips-multithreading.asp>.
  1875. config MIPS_MT
  1876. bool
  1877. config SCHED_SMT
  1878. bool "SMT (multithreading) scheduler support"
  1879. depends on SYS_SUPPORTS_SCHED_SMT
  1880. default n
  1881. help
  1882. SMT scheduler support improves the CPU scheduler's decision making
  1883. when dealing with MIPS MT enabled cores at a cost of slightly
  1884. increased overhead in some places. If unsure say N here.
  1885. config SYS_SUPPORTS_SCHED_SMT
  1886. bool
  1887. config SYS_SUPPORTS_MULTITHREADING
  1888. bool
  1889. config MIPS_MT_FPAFF
  1890. bool "Dynamic FPU affinity for FP-intensive threads"
  1891. default y
  1892. depends on MIPS_MT_SMP
  1893. config MIPSR2_TO_R6_EMULATOR
  1894. bool "MIPS R2-to-R6 emulator"
  1895. depends on CPU_MIPSR6 && !SMP
  1896. default y
  1897. help
  1898. Choose this option if you want to run non-R6 MIPS userland code.
  1899. Even if you say 'Y' here, the emulator will still be disabled by
  1900. default. You can enable it using the 'mipsr2emu' kernel option.
  1901. The only reason this is a build-time option is to save ~14K from the
  1902. final kernel image.
  1903. comment "MIPS R2-to-R6 emulator is only available for UP kernels"
  1904. depends on SMP && CPU_MIPSR6
  1905. config MIPS_VPE_LOADER
  1906. bool "VPE loader support."
  1907. depends on SYS_SUPPORTS_MULTITHREADING && MODULES
  1908. select CPU_MIPSR2_IRQ_VI
  1909. select CPU_MIPSR2_IRQ_EI
  1910. select MIPS_MT
  1911. help
  1912. Includes a loader for loading an elf relocatable object
  1913. onto another VPE and running it.
  1914. config MIPS_VPE_LOADER_CMP
  1915. bool
  1916. default "y"
  1917. depends on MIPS_VPE_LOADER && MIPS_CMP
  1918. config MIPS_VPE_LOADER_MT
  1919. bool
  1920. default "y"
  1921. depends on MIPS_VPE_LOADER && !MIPS_CMP
  1922. config MIPS_VPE_LOADER_TOM
  1923. bool "Load VPE program into memory hidden from linux"
  1924. depends on MIPS_VPE_LOADER
  1925. default y
  1926. help
  1927. The loader can use memory that is present but has been hidden from
  1928. Linux using the kernel command line option "mem=xxMB". It's up to
  1929. you to ensure the amount you put in the option and the space your
  1930. program requires is less or equal to the amount physically present.
  1931. config MIPS_VPE_APSP_API
  1932. bool "Enable support for AP/SP API (RTLX)"
  1933. depends on MIPS_VPE_LOADER
  1934. help
  1935. config MIPS_VPE_APSP_API_CMP
  1936. bool
  1937. default "y"
  1938. depends on MIPS_VPE_APSP_API && MIPS_CMP
  1939. config MIPS_VPE_APSP_API_MT
  1940. bool
  1941. default "y"
  1942. depends on MIPS_VPE_APSP_API && !MIPS_CMP
  1943. config MIPS_CMP
  1944. bool "MIPS CMP framework support (DEPRECATED)"
  1945. depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
  1946. select MIPS_GIC_IPI
  1947. select SMP
  1948. select SYNC_R4K
  1949. select SYS_SUPPORTS_SMP
  1950. select WEAK_ORDERING
  1951. default n
  1952. help
  1953. Select this if you are using a bootloader which implements the "CMP
  1954. framework" protocol (ie. YAMON) and want your kernel to make use of
  1955. its ability to start secondary CPUs.
  1956. Unless you have a specific need, you should use CONFIG_MIPS_CPS
  1957. instead of this.
  1958. config MIPS_CPS
  1959. bool "MIPS Coherent Processing System support"
  1960. depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
  1961. select MIPS_CM
  1962. select MIPS_CPC
  1963. select MIPS_CPS_PM if HOTPLUG_CPU
  1964. select MIPS_GIC_IPI
  1965. select SMP
  1966. select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
  1967. select SYS_SUPPORTS_HOTPLUG_CPU
  1968. select SYS_SUPPORTS_SMP
  1969. select WEAK_ORDERING
  1970. help
  1971. Select this if you wish to run an SMP kernel across multiple cores
  1972. within a MIPS Coherent Processing System. When this option is
  1973. enabled the kernel will probe for other cores and boot them with
  1974. no external assistance. It is safe to enable this when hardware
  1975. support is unavailable.
  1976. config MIPS_CPS_PM
  1977. depends on MIPS_CPS
  1978. select MIPS_CPC
  1979. bool
  1980. config MIPS_GIC_IPI
  1981. bool
  1982. config MIPS_CM
  1983. bool
  1984. config MIPS_CPC
  1985. bool
  1986. config SB1_PASS_2_WORKAROUNDS
  1987. bool
  1988. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1989. default y
  1990. config SB1_PASS_2_1_WORKAROUNDS
  1991. bool
  1992. depends on CPU_SB1 && CPU_SB1_PASS_2
  1993. default y
  1994. config ARCH_PHYS_ADDR_T_64BIT
  1995. bool
  1996. choice
  1997. prompt "SmartMIPS or microMIPS ASE support"
  1998. config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
  1999. bool "None"
  2000. help
  2001. Select this if you want neither microMIPS nor SmartMIPS support
  2002. config CPU_HAS_SMARTMIPS
  2003. depends on SYS_SUPPORTS_SMARTMIPS
  2004. bool "SmartMIPS"
  2005. help
  2006. SmartMIPS is a extension of the MIPS32 architecture aimed at
  2007. increased security at both hardware and software level for
  2008. smartcards. Enabling this option will allow proper use of the
  2009. SmartMIPS instructions by Linux applications. However a kernel with
  2010. this option will not work on a MIPS core without SmartMIPS core. If
  2011. you don't know you probably don't have SmartMIPS and should say N
  2012. here.
  2013. config CPU_MICROMIPS
  2014. depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
  2015. bool "microMIPS"
  2016. help
  2017. When this option is enabled the kernel will be built using the
  2018. microMIPS ISA
  2019. endchoice
  2020. config CPU_HAS_MSA
  2021. bool "Support for the MIPS SIMD Architecture"
  2022. depends on CPU_SUPPORTS_MSA
  2023. depends on 64BIT || MIPS_O32_FP64_SUPPORT
  2024. help
  2025. MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
  2026. and a set of SIMD instructions to operate on them. When this option
  2027. is enabled the kernel will support allocating & switching MSA
  2028. vector register contexts. If you know that your kernel will only be
  2029. running on CPUs which do not support MSA or that your userland will
  2030. not be making use of it then you may wish to say N here to reduce
  2031. the size & complexity of your kernel.
  2032. If unsure, say Y.
  2033. config CPU_HAS_WB
  2034. bool
  2035. config XKS01
  2036. bool
  2037. #
  2038. # Vectored interrupt mode is an R2 feature
  2039. #
  2040. config CPU_MIPSR2_IRQ_VI
  2041. bool
  2042. #
  2043. # Extended interrupt mode is an R2 feature
  2044. #
  2045. config CPU_MIPSR2_IRQ_EI
  2046. bool
  2047. config CPU_HAS_SYNC
  2048. bool
  2049. depends on !CPU_R3000
  2050. default y
  2051. #
  2052. # CPU non-features
  2053. #
  2054. config CPU_DADDI_WORKAROUNDS
  2055. bool
  2056. config CPU_R4000_WORKAROUNDS
  2057. bool
  2058. select CPU_R4400_WORKAROUNDS
  2059. config CPU_R4400_WORKAROUNDS
  2060. bool
  2061. #
  2062. # - Highmem only makes sense for the 32-bit kernel.
  2063. # - The current highmem code will only work properly on physically indexed
  2064. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  2065. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  2066. # moment we protect the user and offer the highmem option only on machines
  2067. # where it's known to be safe. This will not offer highmem on a few systems
  2068. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  2069. # indexed CPUs but we're playing safe.
  2070. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  2071. # know they might have memory configurations that could make use of highmem
  2072. # support.
  2073. #
  2074. config HIGHMEM
  2075. bool "High Memory Support"
  2076. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
  2077. config CPU_SUPPORTS_HIGHMEM
  2078. bool
  2079. config SYS_SUPPORTS_HIGHMEM
  2080. bool
  2081. config SYS_SUPPORTS_SMARTMIPS
  2082. bool
  2083. config SYS_SUPPORTS_MICROMIPS
  2084. bool
  2085. config SYS_SUPPORTS_MIPS16
  2086. bool
  2087. help
  2088. This option must be set if a kernel might be executed on a MIPS16-
  2089. enabled CPU even if MIPS16 is not actually being used. In other
  2090. words, it makes the kernel MIPS16-tolerant.
  2091. config CPU_SUPPORTS_MSA
  2092. bool
  2093. config ARCH_FLATMEM_ENABLE
  2094. def_bool y
  2095. depends on !NUMA && !CPU_LOONGSON2
  2096. config ARCH_DISCONTIGMEM_ENABLE
  2097. bool
  2098. default y if SGI_IP27
  2099. help
  2100. Say Y to support efficient handling of discontiguous physical memory,
  2101. for architectures which are either NUMA (Non-Uniform Memory Access)
  2102. or have huge holes in the physical address space for other reasons.
  2103. See <file:Documentation/vm/numa> for more.
  2104. config ARCH_SPARSEMEM_ENABLE
  2105. bool
  2106. select SPARSEMEM_STATIC
  2107. config NUMA
  2108. bool "NUMA Support"
  2109. depends on SYS_SUPPORTS_NUMA
  2110. help
  2111. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  2112. Access). This option improves performance on systems with more
  2113. than two nodes; on two node systems it is generally better to
  2114. leave it disabled; on single node systems disable this option
  2115. disabled.
  2116. config SYS_SUPPORTS_NUMA
  2117. bool
  2118. config NODES_SHIFT
  2119. int
  2120. default "6"
  2121. depends on NEED_MULTIPLE_NODES
  2122. config HW_PERF_EVENTS
  2123. bool "Enable hardware performance counter support for perf events"
  2124. depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
  2125. default y
  2126. help
  2127. Enable hardware performance counter support for perf events. If
  2128. disabled, perf events will use software events only.
  2129. source "mm/Kconfig"
  2130. config SMP
  2131. bool "Multi-Processing support"
  2132. depends on SYS_SUPPORTS_SMP
  2133. help
  2134. This enables support for systems with more than one CPU. If you have
  2135. a system with only one CPU, say N. If you have a system with more
  2136. than one CPU, say Y.
  2137. If you say N here, the kernel will run on uni- and multiprocessor
  2138. machines, but will use only one CPU of a multiprocessor machine. If
  2139. you say Y here, the kernel will run on many, but not all,
  2140. uniprocessor machines. On a uniprocessor machine, the kernel
  2141. will run faster if you say N here.
  2142. People using multiprocessor machines who say Y here should also say
  2143. Y to "Enhanced Real Time Clock Support", below.
  2144. See also the SMP-HOWTO available at
  2145. <http://www.tldp.org/docs.html#howto>.
  2146. If you don't know what to do here, say N.
  2147. config SMP_UP
  2148. bool
  2149. config SYS_SUPPORTS_MIPS_CMP
  2150. bool
  2151. config SYS_SUPPORTS_MIPS_CPS
  2152. bool
  2153. config SYS_SUPPORTS_SMP
  2154. bool
  2155. config NR_CPUS_DEFAULT_4
  2156. bool
  2157. config NR_CPUS_DEFAULT_8
  2158. bool
  2159. config NR_CPUS_DEFAULT_16
  2160. bool
  2161. config NR_CPUS_DEFAULT_32
  2162. bool
  2163. config NR_CPUS_DEFAULT_64
  2164. bool
  2165. config NR_CPUS
  2166. int "Maximum number of CPUs (2-256)"
  2167. range 2 256
  2168. depends on SMP
  2169. default "4" if NR_CPUS_DEFAULT_4
  2170. default "8" if NR_CPUS_DEFAULT_8
  2171. default "16" if NR_CPUS_DEFAULT_16
  2172. default "32" if NR_CPUS_DEFAULT_32
  2173. default "64" if NR_CPUS_DEFAULT_64
  2174. help
  2175. This allows you to specify the maximum number of CPUs which this
  2176. kernel will support. The maximum supported value is 32 for 32-bit
  2177. kernel and 64 for 64-bit kernels; the minimum value which makes
  2178. sense is 1 for Qemu (useful only for kernel debugging purposes)
  2179. and 2 for all others.
  2180. This is purely to save memory - each supported CPU adds
  2181. approximately eight kilobytes to the kernel image. For best
  2182. performance should round up your number of processors to the next
  2183. power of two.
  2184. config MIPS_PERF_SHARED_TC_COUNTERS
  2185. bool
  2186. #
  2187. # Timer Interrupt Frequency Configuration
  2188. #
  2189. choice
  2190. prompt "Timer frequency"
  2191. default HZ_250
  2192. help
  2193. Allows the configuration of the timer frequency.
  2194. config HZ_48
  2195. bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
  2196. config HZ_100
  2197. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  2198. config HZ_128
  2199. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  2200. config HZ_250
  2201. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  2202. config HZ_256
  2203. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  2204. config HZ_1000
  2205. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  2206. config HZ_1024
  2207. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  2208. endchoice
  2209. config SYS_SUPPORTS_48HZ
  2210. bool
  2211. config SYS_SUPPORTS_100HZ
  2212. bool
  2213. config SYS_SUPPORTS_128HZ
  2214. bool
  2215. config SYS_SUPPORTS_250HZ
  2216. bool
  2217. config SYS_SUPPORTS_256HZ
  2218. bool
  2219. config SYS_SUPPORTS_1000HZ
  2220. bool
  2221. config SYS_SUPPORTS_1024HZ
  2222. bool
  2223. config SYS_SUPPORTS_ARBIT_HZ
  2224. bool
  2225. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  2226. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  2227. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  2228. !SYS_SUPPORTS_1024HZ
  2229. config HZ
  2230. int
  2231. default 48 if HZ_48
  2232. default 100 if HZ_100
  2233. default 128 if HZ_128
  2234. default 250 if HZ_250
  2235. default 256 if HZ_256
  2236. default 1000 if HZ_1000
  2237. default 1024 if HZ_1024
  2238. config SCHED_HRTICK
  2239. def_bool HIGH_RES_TIMERS
  2240. source "kernel/Kconfig.preempt"
  2241. config KEXEC
  2242. bool "Kexec system call"
  2243. select KEXEC_CORE
  2244. help
  2245. kexec is a system call that implements the ability to shutdown your
  2246. current kernel, and to start another kernel. It is like a reboot
  2247. but it is independent of the system firmware. And like a reboot
  2248. you can start any kernel with it, not just Linux.
  2249. The name comes from the similarity to the exec system call.
  2250. It is an ongoing process to be certain the hardware in a machine
  2251. is properly shutdown, so do not be surprised if this code does not
  2252. initially work for you. As of this writing the exact hardware
  2253. interface is strongly in flux, so no good recommendation can be
  2254. made.
  2255. config CRASH_DUMP
  2256. bool "Kernel crash dumps"
  2257. help
  2258. Generate crash dump after being started by kexec.
  2259. This should be normally only set in special crash dump kernels
  2260. which are loaded in the main kernel with kexec-tools into
  2261. a specially reserved region and then later executed after
  2262. a crash by kdump/kexec. The crash dump kernel must be compiled
  2263. to a memory address not used by the main kernel or firmware using
  2264. PHYSICAL_START.
  2265. config PHYSICAL_START
  2266. hex "Physical address where the kernel is loaded"
  2267. default "0xffffffff84000000" if 64BIT
  2268. default "0x84000000" if 32BIT
  2269. depends on CRASH_DUMP
  2270. help
  2271. This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
  2272. If you plan to use kernel for capturing the crash dump change
  2273. this value to start of the reserved region (the "X" value as
  2274. specified in the "crashkernel=YM@XM" command line boot parameter
  2275. passed to the panic-ed kernel).
  2276. config SECCOMP
  2277. bool "Enable seccomp to safely compute untrusted bytecode"
  2278. depends on PROC_FS
  2279. default y
  2280. help
  2281. This kernel feature is useful for number crunching applications
  2282. that may need to compute untrusted bytecode during their
  2283. execution. By using pipes or other transports made available to
  2284. the process as file descriptors supporting the read/write
  2285. syscalls, it's possible to isolate those applications in
  2286. their own address space using seccomp. Once seccomp is
  2287. enabled via /proc/<pid>/seccomp, it cannot be disabled
  2288. and the task is only allowed to execute a few safe syscalls
  2289. defined by each seccomp mode.
  2290. If unsure, say Y. Only embedded should say N here.
  2291. config MIPS_O32_FP64_SUPPORT
  2292. bool "Support for O32 binaries using 64-bit FP"
  2293. depends on 32BIT || MIPS32_O32
  2294. help
  2295. When this is enabled, the kernel will support use of 64-bit floating
  2296. point registers with binaries using the O32 ABI along with the
  2297. EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
  2298. 32-bit MIPS systems this support is at the cost of increasing the
  2299. size and complexity of the compiled FPU emulator. Thus if you are
  2300. running a MIPS32 system and know that none of your userland binaries
  2301. will require 64-bit floating point, you may wish to reduce the size
  2302. of your kernel & potentially improve FP emulation performance by
  2303. saying N here.
  2304. Although binutils currently supports use of this flag the details
  2305. concerning its effect upon the O32 ABI in userland are still being
  2306. worked on. In order to avoid userland becoming dependant upon current
  2307. behaviour before the details have been finalised, this option should
  2308. be considered experimental and only enabled by those working upon
  2309. said details.
  2310. If unsure, say N.
  2311. config USE_OF
  2312. bool
  2313. select OF
  2314. select OF_EARLY_FLATTREE
  2315. select IRQ_DOMAIN
  2316. config BUILTIN_DTB
  2317. bool
  2318. choice
  2319. prompt "Kernel appended dtb support" if OF
  2320. default MIPS_NO_APPENDED_DTB
  2321. config MIPS_NO_APPENDED_DTB
  2322. bool "None"
  2323. help
  2324. Do not enable appended dtb support.
  2325. config MIPS_RAW_APPENDED_DTB
  2326. bool "vmlinux.bin"
  2327. help
  2328. With this option, the boot code will look for a device tree binary
  2329. DTB) appended to raw vmlinux.bin (without decompressor).
  2330. (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
  2331. This is meant as a backward compatibility convenience for those
  2332. systems with a bootloader that can't be upgraded to accommodate
  2333. the documented boot protocol using a device tree.
  2334. Beware that there is very little in terms of protection against
  2335. this option being confused by leftover garbage in memory that might
  2336. look like a DTB header after a reboot if no actual DTB is appended
  2337. to vmlinux.bin. Do not leave this option active in a production kernel
  2338. if you don't intend to always append a DTB.
  2339. config MIPS_ZBOOT_APPENDED_DTB
  2340. bool "vmlinuz.bin"
  2341. depends on SYS_SUPPORTS_ZBOOT
  2342. help
  2343. With this option, the boot code will look for a device tree binary
  2344. DTB) appended to raw vmlinuz.bin (with decompressor).
  2345. (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
  2346. This is meant as a backward compatibility convenience for those
  2347. systems with a bootloader that can't be upgraded to accommodate
  2348. the documented boot protocol using a device tree.
  2349. Beware that there is very little in terms of protection against
  2350. this option being confused by leftover garbage in memory that might
  2351. look like a DTB header after a reboot if no actual DTB is appended
  2352. to vmlinuz.bin. Do not leave this option active in a production kernel
  2353. if you don't intend to always append a DTB.
  2354. endchoice
  2355. endmenu
  2356. config LOCKDEP_SUPPORT
  2357. bool
  2358. default y
  2359. config STACKTRACE_SUPPORT
  2360. bool
  2361. default y
  2362. config PGTABLE_LEVELS
  2363. int
  2364. default 3 if 64BIT && !PAGE_SIZE_64KB
  2365. default 2
  2366. source "init/Kconfig"
  2367. source "kernel/Kconfig.freezer"
  2368. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  2369. config HW_HAS_EISA
  2370. bool
  2371. config HW_HAS_PCI
  2372. bool
  2373. config PCI
  2374. bool "Support for PCI controller"
  2375. depends on HW_HAS_PCI
  2376. select PCI_DOMAINS
  2377. select NO_GENERIC_PCI_IOPORT_MAP
  2378. help
  2379. Find out whether you have a PCI motherboard. PCI is the name of a
  2380. bus system, i.e. the way the CPU talks to the other stuff inside
  2381. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  2382. say Y, otherwise N.
  2383. config HT_PCI
  2384. bool "Support for HT-linked PCI"
  2385. default y
  2386. depends on CPU_LOONGSON3
  2387. select PCI
  2388. select PCI_DOMAINS
  2389. help
  2390. Loongson family machines use Hyper-Transport bus for inter-core
  2391. connection and device connection. The PCI bus is a subordinate
  2392. linked at HT. Choose Y for Loongson-3 based machines.
  2393. config PCI_DOMAINS
  2394. bool
  2395. source "drivers/pci/Kconfig"
  2396. source "drivers/pci/pcie/Kconfig"
  2397. #
  2398. # ISA support is now enabled via select. Too many systems still have the one
  2399. # or other ISA chip on the board that users don't know about so don't expect
  2400. # users to choose the right thing ...
  2401. #
  2402. config ISA
  2403. bool
  2404. config EISA
  2405. bool "EISA support"
  2406. depends on HW_HAS_EISA
  2407. select ISA
  2408. select GENERIC_ISA_DMA
  2409. ---help---
  2410. The Extended Industry Standard Architecture (EISA) bus was
  2411. developed as an open alternative to the IBM MicroChannel bus.
  2412. The EISA bus provided some of the features of the IBM MicroChannel
  2413. bus while maintaining backward compatibility with cards made for
  2414. the older ISA bus. The EISA bus saw limited use between 1988 and
  2415. 1995 when it was made obsolete by the PCI bus.
  2416. Say Y here if you are building a kernel for an EISA-based machine.
  2417. Otherwise, say N.
  2418. source "drivers/eisa/Kconfig"
  2419. config TC
  2420. bool "TURBOchannel support"
  2421. depends on MACH_DECSTATION
  2422. help
  2423. TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  2424. processors. TURBOchannel programming specifications are available
  2425. at:
  2426. <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
  2427. and:
  2428. <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
  2429. Linux driver support status is documented at:
  2430. <http://www.linux-mips.org/wiki/DECstation>
  2431. config MMU
  2432. bool
  2433. default y
  2434. config I8253
  2435. bool
  2436. select CLKSRC_I8253
  2437. select CLKEVT_I8253
  2438. select MIPS_EXTERNAL_TIMER
  2439. config ZONE_DMA
  2440. bool
  2441. config ZONE_DMA32
  2442. bool
  2443. source "drivers/pcmcia/Kconfig"
  2444. source "drivers/pci/hotplug/Kconfig"
  2445. config RAPIDIO
  2446. tristate "RapidIO support"
  2447. depends on PCI
  2448. default n
  2449. help
  2450. If you say Y here, the kernel will include drivers and
  2451. infrastructure code to support RapidIO interconnect devices.
  2452. source "drivers/rapidio/Kconfig"
  2453. endmenu
  2454. menu "Executable file formats"
  2455. source "fs/Kconfig.binfmt"
  2456. config TRAD_SIGNALS
  2457. bool
  2458. config MIPS32_COMPAT
  2459. bool
  2460. config COMPAT
  2461. bool
  2462. config SYSVIPC_COMPAT
  2463. bool
  2464. config MIPS32_O32
  2465. bool "Kernel support for o32 binaries"
  2466. depends on 64BIT
  2467. select ARCH_WANT_OLD_COMPAT_IPC
  2468. select COMPAT
  2469. select MIPS32_COMPAT
  2470. select SYSVIPC_COMPAT if SYSVIPC
  2471. help
  2472. Select this option if you want to run o32 binaries. These are pure
  2473. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  2474. existing binaries are in this format.
  2475. If unsure, say Y.
  2476. config MIPS32_N32
  2477. bool "Kernel support for n32 binaries"
  2478. depends on 64BIT
  2479. select COMPAT
  2480. select MIPS32_COMPAT
  2481. select SYSVIPC_COMPAT if SYSVIPC
  2482. help
  2483. Select this option if you want to run n32 binaries. These are
  2484. 64-bit binaries using 32-bit quantities for addressing and certain
  2485. data that would normally be 64-bit. They are used in special
  2486. cases.
  2487. If unsure, say N.
  2488. config BINFMT_ELF32
  2489. bool
  2490. default y if MIPS32_O32 || MIPS32_N32
  2491. endmenu
  2492. menu "Power management options"
  2493. config ARCH_HIBERNATION_POSSIBLE
  2494. def_bool y
  2495. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2496. config ARCH_SUSPEND_POSSIBLE
  2497. def_bool y
  2498. depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
  2499. source "kernel/power/Kconfig"
  2500. endmenu
  2501. config MIPS_EXTERNAL_TIMER
  2502. bool
  2503. menu "CPU Power Management"
  2504. if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
  2505. source "drivers/cpufreq/Kconfig"
  2506. endif
  2507. source "drivers/cpuidle/Kconfig"
  2508. endmenu
  2509. source "net/Kconfig"
  2510. source "drivers/Kconfig"
  2511. source "drivers/firmware/Kconfig"
  2512. source "fs/Kconfig"
  2513. source "arch/mips/Kconfig.debug"
  2514. source "security/Kconfig"
  2515. source "crypto/Kconfig"
  2516. source "lib/Kconfig"
  2517. source "arch/mips/kvm/Kconfig"