Kconfig 48 KB

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  1. config MIPS
  2. bool
  3. default y
  4. # Horrible source of confusion. Die, die, die ...
  5. select EMBEDDED
  6. mainmenu "Linux/MIPS Kernel Configuration"
  7. menu "Machine selection"
  8. choice
  9. prompt "System type"
  10. default SGI_IP22
  11. config MIPS_MTX1
  12. bool "4G Systems MTX-1 board"
  13. select DMA_NONCOHERENT
  14. select HW_HAS_PCI
  15. select SOC_AU1500
  16. select SYS_HAS_CPU_MIPS32_R1
  17. select SYS_SUPPORTS_LITTLE_ENDIAN
  18. config MIPS_BOSPORUS
  19. bool "AMD Alchemy Bosporus board"
  20. select SOC_AU1500
  21. select DMA_NONCOHERENT
  22. select SYS_HAS_CPU_MIPS32_R1
  23. select SYS_SUPPORTS_LITTLE_ENDIAN
  24. config MIPS_PB1000
  25. bool "AMD Alchemy PB1000 board"
  26. select SOC_AU1000
  27. select DMA_NONCOHERENT
  28. select HW_HAS_PCI
  29. select SWAP_IO_SPACE
  30. select SYS_HAS_CPU_MIPS32_R1
  31. select SYS_SUPPORTS_LITTLE_ENDIAN
  32. config MIPS_PB1100
  33. bool "AMD Alchemy PB1100 board"
  34. select SOC_AU1100
  35. select DMA_NONCOHERENT
  36. select HW_HAS_PCI
  37. select SWAP_IO_SPACE
  38. select SYS_HAS_CPU_MIPS32_R1
  39. select SYS_SUPPORTS_LITTLE_ENDIAN
  40. config MIPS_PB1500
  41. bool "AMD Alchemy PB1500 board"
  42. select SOC_AU1500
  43. select DMA_NONCOHERENT
  44. select HW_HAS_PCI
  45. select SYS_HAS_CPU_MIPS32_R1
  46. select SYS_SUPPORTS_LITTLE_ENDIAN
  47. config MIPS_PB1550
  48. bool "AMD Alchemy PB1550 board"
  49. select SOC_AU1550
  50. select DMA_NONCOHERENT
  51. select HW_HAS_PCI
  52. select MIPS_DISABLE_OBSOLETE_IDE
  53. select SYS_HAS_CPU_MIPS32_R1
  54. select SYS_SUPPORTS_LITTLE_ENDIAN
  55. config MIPS_PB1200
  56. bool "AMD Alchemy PB1200 board"
  57. select SOC_AU1200
  58. select DMA_NONCOHERENT
  59. select MIPS_DISABLE_OBSOLETE_IDE
  60. select SYS_HAS_CPU_MIPS32_R1
  61. select SYS_SUPPORTS_LITTLE_ENDIAN
  62. config MIPS_DB1000
  63. bool "AMD Alchemy DB1000 board"
  64. select SOC_AU1000
  65. select DMA_NONCOHERENT
  66. select HW_HAS_PCI
  67. select SYS_HAS_CPU_MIPS32_R1
  68. select SYS_SUPPORTS_LITTLE_ENDIAN
  69. config MIPS_DB1100
  70. bool "AMD Alchemy DB1100 board"
  71. select SOC_AU1100
  72. select DMA_NONCOHERENT
  73. select SYS_HAS_CPU_MIPS32_R1
  74. select SYS_SUPPORTS_LITTLE_ENDIAN
  75. config MIPS_DB1500
  76. bool "AMD Alchemy DB1500 board"
  77. select SOC_AU1500
  78. select DMA_NONCOHERENT
  79. select HW_HAS_PCI
  80. select MIPS_DISABLE_OBSOLETE_IDE
  81. select SYS_HAS_CPU_MIPS32_R1
  82. select SYS_SUPPORTS_BIG_ENDIAN
  83. select SYS_SUPPORTS_LITTLE_ENDIAN
  84. config MIPS_DB1550
  85. bool "AMD Alchemy DB1550 board"
  86. select SOC_AU1550
  87. select HW_HAS_PCI
  88. select DMA_NONCOHERENT
  89. select MIPS_DISABLE_OBSOLETE_IDE
  90. select SYS_HAS_CPU_MIPS32_R1
  91. select SYS_SUPPORTS_LITTLE_ENDIAN
  92. config MIPS_DB1200
  93. bool "AMD Alchemy DB1200 board"
  94. select SOC_AU1200
  95. select DMA_COHERENT
  96. select MIPS_DISABLE_OBSOLETE_IDE
  97. select SYS_HAS_CPU_MIPS32_R1
  98. select SYS_SUPPORTS_LITTLE_ENDIAN
  99. config MIPS_MIRAGE
  100. bool "AMD Alchemy Mirage board"
  101. select DMA_NONCOHERENT
  102. select SOC_AU1500
  103. select SYS_HAS_CPU_MIPS32_R1
  104. select SYS_SUPPORTS_LITTLE_ENDIAN
  105. config BASLER_EXCITE
  106. bool "Basler eXcite smart camera support"
  107. select DMA_COHERENT
  108. select HW_HAS_PCI
  109. select IRQ_CPU
  110. select IRQ_CPU_RM7K
  111. select IRQ_CPU_RM9K
  112. select MIPS_RM9122
  113. select SYS_HAS_CPU_RM9000
  114. select SYS_SUPPORTS_32BIT_KERNEL
  115. select SYS_SUPPORTS_64BIT_KERNEL
  116. select SYS_SUPPORTS_BIG_ENDIAN
  117. help
  118. The eXcite is a smart camera platform manufactured by
  119. Basler Vision Technologies AG
  120. config BASLER_EXCITE_PROTOTYPE
  121. bool "Support for pre-release units"
  122. depends on BASLER_EXCITE
  123. default n
  124. help
  125. Pre-series (prototype) units are different from later ones in
  126. some ways. Select this option if you have one of these. Please
  127. note that a kernel built with this option selected will not be
  128. able to run on normal units.
  129. config MIPS_COBALT
  130. bool "Cobalt Server"
  131. select DMA_NONCOHERENT
  132. select HW_HAS_PCI
  133. select I8259
  134. select IRQ_CPU
  135. select MIPS_GT64111
  136. select SYS_HAS_CPU_NEVADA
  137. select SYS_SUPPORTS_32BIT_KERNEL
  138. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  139. select SYS_SUPPORTS_LITTLE_ENDIAN
  140. config MACH_DECSTATION
  141. bool "DECstations"
  142. select BOOT_ELF32
  143. select DMA_NONCOHERENT
  144. select EARLY_PRINTK
  145. select IRQ_CPU
  146. select SYS_HAS_CPU_R3000
  147. select SYS_HAS_CPU_R4X00
  148. select SYS_SUPPORTS_32BIT_KERNEL
  149. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  150. select SYS_SUPPORTS_LITTLE_ENDIAN
  151. select SYS_SUPPORTS_128HZ
  152. select SYS_SUPPORTS_256HZ
  153. select SYS_SUPPORTS_1024HZ
  154. help
  155. This enables support for DEC's MIPS based workstations. For details
  156. see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
  157. DECstation porting pages on <http://decstation.unix-ag.org/>.
  158. If you have one of the following DECstation Models you definitely
  159. want to choose R4xx0 for the CPU Type:
  160. DECstation 5000/50
  161. DECstation 5000/150
  162. DECstation 5000/260
  163. DECsystem 5900/260
  164. otherwise choose R3000.
  165. config MIPS_EV64120
  166. bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
  167. depends on EXPERIMENTAL
  168. select DMA_NONCOHERENT
  169. select HW_HAS_PCI
  170. select MIPS_GT64120
  171. select SYS_HAS_CPU_R5000
  172. select SYS_SUPPORTS_32BIT_KERNEL
  173. select SYS_SUPPORTS_64BIT_KERNEL
  174. select SYS_SUPPORTS_BIG_ENDIAN
  175. help
  176. This is an evaluation board based on the Galileo GT-64120
  177. single-chip system controller that contains a MIPS R5000 compatible
  178. core running at 75/100MHz. Their website is located at
  179. <http://www.marvell.com/>. Say Y here if you wish to build a
  180. kernel for this platform.
  181. config MACH_JAZZ
  182. bool "Jazz family of machines"
  183. select ARC
  184. select ARC32
  185. select ARCH_MAY_HAVE_PC_FDC
  186. select GENERIC_ISA_DMA
  187. select I8253
  188. select I8259
  189. select ISA
  190. select SYS_HAS_CPU_R4X00
  191. select SYS_SUPPORTS_32BIT_KERNEL
  192. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  193. select SYS_SUPPORTS_100HZ
  194. help
  195. This a family of machines based on the MIPS R4030 chipset which was
  196. used by several vendors to build RISC/os and Windows NT workstations.
  197. Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
  198. Olivetti M700-10 workstations.
  199. config LASAT
  200. bool "LASAT Networks platforms"
  201. select DMA_NONCOHERENT
  202. select HW_HAS_PCI
  203. select MIPS_GT64120
  204. select MIPS_NILE4
  205. select R5000_CPU_SCACHE
  206. select SYS_HAS_CPU_R5000
  207. select SYS_SUPPORTS_32BIT_KERNEL
  208. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  209. select SYS_SUPPORTS_LITTLE_ENDIAN
  210. config MIPS_ATLAS
  211. bool "MIPS Atlas board"
  212. select BOOT_ELF32
  213. select DMA_NONCOHERENT
  214. select IRQ_CPU
  215. select HW_HAS_PCI
  216. select MIPS_BOARDS_GEN
  217. select MIPS_BONITO64
  218. select MIPS_GT64120
  219. select MIPS_MSC
  220. select RM7000_CPU_SCACHE
  221. select SWAP_IO_SPACE
  222. select SYS_HAS_CPU_MIPS32_R1
  223. select SYS_HAS_CPU_MIPS32_R2
  224. select SYS_HAS_CPU_MIPS64_R1
  225. select SYS_HAS_CPU_NEVADA
  226. select SYS_HAS_CPU_RM7000
  227. select SYS_SUPPORTS_32BIT_KERNEL
  228. select SYS_SUPPORTS_64BIT_KERNEL
  229. select SYS_SUPPORTS_BIG_ENDIAN
  230. select SYS_SUPPORTS_LITTLE_ENDIAN
  231. select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
  232. help
  233. This enables support for the MIPS Technologies Atlas evaluation
  234. board.
  235. config MIPS_MALTA
  236. bool "MIPS Malta board"
  237. select ARCH_MAY_HAVE_PC_FDC
  238. select BOOT_ELF32
  239. select HAVE_STD_PC_SERIAL_PORT
  240. select DMA_NONCOHERENT
  241. select IRQ_CPU
  242. select GENERIC_ISA_DMA
  243. select HW_HAS_PCI
  244. select I8259
  245. select MIPS_BOARDS_GEN
  246. select MIPS_BONITO64
  247. select MIPS_CPU_SCACHE
  248. select MIPS_GT64120
  249. select MIPS_MSC
  250. select SWAP_IO_SPACE
  251. select SYS_HAS_CPU_MIPS32_R1
  252. select SYS_HAS_CPU_MIPS32_R2
  253. select SYS_HAS_CPU_MIPS64_R1
  254. select SYS_HAS_CPU_NEVADA
  255. select SYS_HAS_CPU_RM7000
  256. select SYS_SUPPORTS_32BIT_KERNEL
  257. select SYS_SUPPORTS_64BIT_KERNEL
  258. select SYS_SUPPORTS_BIG_ENDIAN
  259. select SYS_SUPPORTS_LITTLE_ENDIAN
  260. select SYS_SUPPORTS_MULTITHREADING
  261. help
  262. This enables support for the MIPS Technologies Malta evaluation
  263. board.
  264. config MIPS_SEAD
  265. bool "MIPS SEAD board (EXPERIMENTAL)"
  266. depends on EXPERIMENTAL
  267. select IRQ_CPU
  268. select DMA_NONCOHERENT
  269. select MIPS_BOARDS_GEN
  270. select SYS_HAS_CPU_MIPS32_R1
  271. select SYS_HAS_CPU_MIPS32_R2
  272. select SYS_HAS_CPU_MIPS64_R1
  273. select SYS_SUPPORTS_32BIT_KERNEL
  274. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  275. select SYS_SUPPORTS_BIG_ENDIAN
  276. select SYS_SUPPORTS_LITTLE_ENDIAN
  277. help
  278. This enables support for the MIPS Technologies SEAD evaluation
  279. board.
  280. config WR_PPMC
  281. bool "Wind River PPMC board"
  282. select IRQ_CPU
  283. select BOOT_ELF32
  284. select DMA_NONCOHERENT
  285. select HW_HAS_PCI
  286. select MIPS_GT64120
  287. select SWAP_IO_SPACE
  288. select SYS_HAS_CPU_MIPS32_R1
  289. select SYS_HAS_CPU_MIPS32_R2
  290. select SYS_HAS_CPU_MIPS64_R1
  291. select SYS_HAS_CPU_NEVADA
  292. select SYS_HAS_CPU_RM7000
  293. select SYS_SUPPORTS_32BIT_KERNEL
  294. select SYS_SUPPORTS_64BIT_KERNEL
  295. select SYS_SUPPORTS_BIG_ENDIAN
  296. select SYS_SUPPORTS_LITTLE_ENDIAN
  297. help
  298. This enables support for the Wind River MIPS32 4KC PPMC evaluation
  299. board, which is based on GT64120 bridge chip.
  300. config MIPS_SIM
  301. bool 'MIPS simulator (MIPSsim)'
  302. select DMA_NONCOHERENT
  303. select IRQ_CPU
  304. select SYS_HAS_CPU_MIPS32_R1
  305. select SYS_HAS_CPU_MIPS32_R2
  306. select SYS_SUPPORTS_32BIT_KERNEL
  307. select SYS_SUPPORTS_BIG_ENDIAN
  308. select SYS_SUPPORTS_LITTLE_ENDIAN
  309. help
  310. This option enables support for MIPS Technologies MIPSsim software
  311. emulator.
  312. config MOMENCO_JAGUAR_ATX
  313. bool "Momentum Jaguar board"
  314. select BOOT_ELF32
  315. select DMA_NONCOHERENT
  316. select HW_HAS_PCI
  317. select IRQ_CPU
  318. select IRQ_CPU_RM7K
  319. select IRQ_MV64340
  320. select LIMITED_DMA
  321. select PCI_MARVELL
  322. select RM7000_CPU_SCACHE
  323. select SWAP_IO_SPACE
  324. select SYS_HAS_CPU_RM9000
  325. select SYS_SUPPORTS_32BIT_KERNEL
  326. select SYS_SUPPORTS_64BIT_KERNEL
  327. select SYS_SUPPORTS_BIG_ENDIAN
  328. help
  329. The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
  330. Momentum Computer <http://www.momenco.com/>.
  331. config MOMENCO_OCELOT
  332. bool "Momentum Ocelot board"
  333. select DMA_NONCOHERENT
  334. select HW_HAS_PCI
  335. select IRQ_CPU
  336. select IRQ_CPU_RM7K
  337. select MIPS_GT64120
  338. select RM7000_CPU_SCACHE
  339. select SWAP_IO_SPACE
  340. select SYS_HAS_CPU_RM7000
  341. select SYS_SUPPORTS_32BIT_KERNEL
  342. select SYS_SUPPORTS_64BIT_KERNEL
  343. select SYS_SUPPORTS_BIG_ENDIAN
  344. help
  345. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  346. Momentum Computer <http://www.momenco.com/>.
  347. config MOMENCO_OCELOT_3
  348. bool "Momentum Ocelot-3 board"
  349. select BOOT_ELF32
  350. select DMA_NONCOHERENT
  351. select HW_HAS_PCI
  352. select IRQ_CPU
  353. select IRQ_CPU_RM7K
  354. select IRQ_MV64340
  355. select PCI_MARVELL
  356. select RM7000_CPU_SCACHE
  357. select SWAP_IO_SPACE
  358. select SYS_HAS_CPU_RM9000
  359. select SYS_SUPPORTS_32BIT_KERNEL
  360. select SYS_SUPPORTS_64BIT_KERNEL
  361. select SYS_SUPPORTS_BIG_ENDIAN
  362. help
  363. The Ocelot-3 is based off Discovery III System Controller and
  364. PMC-Sierra Rm79000 core.
  365. config MOMENCO_OCELOT_C
  366. bool "Momentum Ocelot-C board"
  367. select DMA_NONCOHERENT
  368. select HW_HAS_PCI
  369. select IRQ_CPU
  370. select IRQ_MV64340
  371. select PCI_MARVELL
  372. select RM7000_CPU_SCACHE
  373. select SWAP_IO_SPACE
  374. select SYS_HAS_CPU_RM7000
  375. select SYS_SUPPORTS_32BIT_KERNEL
  376. select SYS_SUPPORTS_64BIT_KERNEL
  377. select SYS_SUPPORTS_BIG_ENDIAN
  378. help
  379. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  380. Momentum Computer <http://www.momenco.com/>.
  381. config MOMENCO_OCELOT_G
  382. bool "Momentum Ocelot-G board"
  383. select DMA_NONCOHERENT
  384. select HW_HAS_PCI
  385. select IRQ_CPU
  386. select IRQ_CPU_RM7K
  387. select PCI_MARVELL
  388. select RM7000_CPU_SCACHE
  389. select SWAP_IO_SPACE
  390. select SYS_HAS_CPU_RM7000
  391. select SYS_SUPPORTS_32BIT_KERNEL
  392. select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
  393. select SYS_SUPPORTS_BIG_ENDIAN
  394. help
  395. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  396. Momentum Computer <http://www.momenco.com/>.
  397. config MIPS_XXS1500
  398. bool "MyCable XXS1500 board"
  399. select DMA_NONCOHERENT
  400. select SOC_AU1500
  401. select SYS_SUPPORTS_LITTLE_ENDIAN
  402. config PNX8550_V2PCI
  403. bool "Philips PNX8550 based Viper2-PCI board"
  404. select PNX8550
  405. select SYS_SUPPORTS_LITTLE_ENDIAN
  406. config PNX8550_JBS
  407. bool "Philips PNX8550 based JBS board"
  408. select PNX8550
  409. select SYS_SUPPORTS_LITTLE_ENDIAN
  410. config DDB5477
  411. bool "NEC DDB Vrc-5477"
  412. select DDB5XXX_COMMON
  413. select DMA_NONCOHERENT
  414. select HW_HAS_PCI
  415. select I8259
  416. select IRQ_CPU
  417. select SYS_HAS_CPU_R5432
  418. select SYS_SUPPORTS_32BIT_KERNEL
  419. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  420. select SYS_SUPPORTS_LITTLE_ENDIAN
  421. help
  422. This enables support for the R5432-based NEC DDB Vrc-5477,
  423. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  424. Features : kernel debugging, serial terminal, NFS root fs, on-board
  425. ether port USB, AC97, PCI, etc.
  426. config MACH_VR41XX
  427. bool "NEC VR41XX-based machines"
  428. select SYS_HAS_CPU_VR41XX
  429. select SYS_SUPPORTS_32BIT_KERNEL
  430. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  431. config PMC_YOSEMITE
  432. bool "PMC-Sierra Yosemite eval board"
  433. select DMA_COHERENT
  434. select HW_HAS_PCI
  435. select IRQ_CPU
  436. select IRQ_CPU_RM7K
  437. select IRQ_CPU_RM9K
  438. select SWAP_IO_SPACE
  439. select SYS_HAS_CPU_RM9000
  440. select SYS_SUPPORTS_32BIT_KERNEL
  441. select SYS_SUPPORTS_64BIT_KERNEL
  442. select SYS_SUPPORTS_BIG_ENDIAN
  443. select SYS_SUPPORTS_HIGHMEM
  444. select SYS_SUPPORTS_SMP
  445. help
  446. Yosemite is an evaluation board for the RM9000x2 processor
  447. manufactured by PMC-Sierra.
  448. config QEMU
  449. bool "Qemu"
  450. select DMA_COHERENT
  451. select GENERIC_ISA_DMA
  452. select HAVE_STD_PC_SERIAL_PORT
  453. select I8253
  454. select I8259
  455. select ISA
  456. select SWAP_IO_SPACE
  457. select SYS_HAS_CPU_MIPS32_R1
  458. select SYS_SUPPORTS_32BIT_KERNEL
  459. select SYS_SUPPORTS_BIG_ENDIAN
  460. select SYS_SUPPORTS_LITTLE_ENDIAN
  461. select ARCH_SPARSEMEM_ENABLE
  462. help
  463. Qemu is a software emulator which among other architectures also
  464. can simulate a MIPS32 4Kc system. This patch adds support for the
  465. system architecture that currently is being simulated by Qemu. It
  466. will eventually be removed again when Qemu has the capability to
  467. simulate actual MIPS hardware platforms. More information on Qemu
  468. can be found at http://www.linux-mips.org/wiki/Qemu.
  469. config MARKEINS
  470. bool "Support for NEC EMMA2RH Mark-eins"
  471. select DMA_NONCOHERENT
  472. select HW_HAS_PCI
  473. select IRQ_CPU
  474. select SWAP_IO_SPACE
  475. select SYS_SUPPORTS_32BIT_KERNEL
  476. select SYS_SUPPORTS_BIG_ENDIAN
  477. select SYS_SUPPORTS_LITTLE_ENDIAN
  478. select SYS_HAS_CPU_R5000
  479. help
  480. This enables support for the R5432-based NEC Mark-eins
  481. boards with R5500 CPU.
  482. config SGI_IP22
  483. bool "SGI IP22 (Indy/Indigo2)"
  484. select ARC
  485. select ARC32
  486. select BOOT_ELF32
  487. select DMA_NONCOHERENT
  488. select HW_HAS_EISA
  489. select IP22_CPU_SCACHE
  490. select IRQ_CPU
  491. select NO_ISA if ISA
  492. select SWAP_IO_SPACE
  493. select SYS_HAS_CPU_R4X00
  494. select SYS_HAS_CPU_R5000
  495. select SYS_SUPPORTS_32BIT_KERNEL
  496. select SYS_SUPPORTS_64BIT_KERNEL
  497. select SYS_SUPPORTS_BIG_ENDIAN
  498. help
  499. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  500. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  501. that runs on these, say Y here.
  502. config SGI_IP27
  503. bool "SGI IP27 (Origin200/2000)"
  504. select ARC
  505. select ARC64
  506. select BOOT_ELF64
  507. select DMA_IP27
  508. select EARLY_PRINTK
  509. select HW_HAS_PCI
  510. select PCI_DOMAINS
  511. select SYS_HAS_CPU_R10000
  512. select SYS_SUPPORTS_64BIT_KERNEL
  513. select SYS_SUPPORTS_BIG_ENDIAN
  514. select SYS_SUPPORTS_NUMA
  515. help
  516. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  517. workstations. To compile a Linux kernel that runs on these, say Y
  518. here.
  519. config SGI_IP32
  520. bool "SGI IP32 (O2) (EXPERIMENTAL)"
  521. depends on EXPERIMENTAL
  522. select ARC
  523. select ARC32
  524. select BOOT_ELF32
  525. select OWN_DMA
  526. select DMA_IP32
  527. select DMA_NONCOHERENT
  528. select HW_HAS_PCI
  529. select R5000_CPU_SCACHE
  530. select RM7000_CPU_SCACHE
  531. select SYS_HAS_CPU_R5000
  532. select SYS_HAS_CPU_R10000 if BROKEN
  533. select SYS_HAS_CPU_RM7000
  534. select SYS_HAS_CPU_NEVADA
  535. select SYS_SUPPORTS_64BIT_KERNEL
  536. select SYS_SUPPORTS_BIG_ENDIAN
  537. help
  538. If you want this kernel to run on SGI O2 workstation, say Y here.
  539. config SIBYTE_BIGSUR
  540. bool "Sibyte BCM91480B-BigSur"
  541. select BOOT_ELF32
  542. select DMA_COHERENT
  543. select PCI_DOMAINS
  544. select SIBYTE_BCM1x80
  545. select SWAP_IO_SPACE
  546. select SYS_HAS_CPU_SB1
  547. select SYS_SUPPORTS_BIG_ENDIAN
  548. select SYS_SUPPORTS_LITTLE_ENDIAN
  549. config SIBYTE_SWARM
  550. bool "Sibyte BCM91250A-SWARM"
  551. select BOOT_ELF32
  552. select DMA_COHERENT
  553. select SIBYTE_SB1250
  554. select SWAP_IO_SPACE
  555. select SYS_HAS_CPU_SB1
  556. select SYS_SUPPORTS_BIG_ENDIAN
  557. select SYS_SUPPORTS_HIGHMEM
  558. select SYS_SUPPORTS_LITTLE_ENDIAN
  559. config SIBYTE_SENTOSA
  560. bool "Sibyte BCM91250E-Sentosa"
  561. depends on EXPERIMENTAL
  562. select BOOT_ELF32
  563. select DMA_COHERENT
  564. select SIBYTE_SB1250
  565. select SWAP_IO_SPACE
  566. select SYS_HAS_CPU_SB1
  567. select SYS_SUPPORTS_BIG_ENDIAN
  568. select SYS_SUPPORTS_LITTLE_ENDIAN
  569. config SIBYTE_RHONE
  570. bool "Sibyte BCM91125E-Rhone"
  571. depends on EXPERIMENTAL
  572. select BOOT_ELF32
  573. select DMA_COHERENT
  574. select SIBYTE_BCM1125H
  575. select SWAP_IO_SPACE
  576. select SYS_HAS_CPU_SB1
  577. select SYS_SUPPORTS_BIG_ENDIAN
  578. select SYS_SUPPORTS_LITTLE_ENDIAN
  579. config SIBYTE_CARMEL
  580. bool "Sibyte BCM91120x-Carmel"
  581. depends on EXPERIMENTAL
  582. select BOOT_ELF32
  583. select DMA_COHERENT
  584. select SIBYTE_BCM1120
  585. select SWAP_IO_SPACE
  586. select SYS_HAS_CPU_SB1
  587. select SYS_SUPPORTS_BIG_ENDIAN
  588. select SYS_SUPPORTS_LITTLE_ENDIAN
  589. config SIBYTE_PTSWARM
  590. bool "Sibyte BCM91250PT-PTSWARM"
  591. depends on EXPERIMENTAL
  592. select BOOT_ELF32
  593. select DMA_COHERENT
  594. select SIBYTE_SB1250
  595. select SWAP_IO_SPACE
  596. select SYS_HAS_CPU_SB1
  597. select SYS_SUPPORTS_BIG_ENDIAN
  598. select SYS_SUPPORTS_HIGHMEM
  599. select SYS_SUPPORTS_LITTLE_ENDIAN
  600. config SIBYTE_LITTLESUR
  601. bool "Sibyte BCM91250C2-LittleSur"
  602. depends on EXPERIMENTAL
  603. select BOOT_ELF32
  604. select DMA_COHERENT
  605. select SIBYTE_SB1250
  606. select SWAP_IO_SPACE
  607. select SYS_HAS_CPU_SB1
  608. select SYS_SUPPORTS_BIG_ENDIAN
  609. select SYS_SUPPORTS_HIGHMEM
  610. select SYS_SUPPORTS_LITTLE_ENDIAN
  611. config SIBYTE_CRHINE
  612. bool "Sibyte BCM91120C-CRhine"
  613. depends on EXPERIMENTAL
  614. select BOOT_ELF32
  615. select DMA_COHERENT
  616. select SIBYTE_BCM1120
  617. select SWAP_IO_SPACE
  618. select SYS_HAS_CPU_SB1
  619. select SYS_SUPPORTS_BIG_ENDIAN
  620. select SYS_SUPPORTS_LITTLE_ENDIAN
  621. config SIBYTE_CRHONE
  622. bool "Sibyte BCM91125C-CRhone"
  623. depends on EXPERIMENTAL
  624. select BOOT_ELF32
  625. select DMA_COHERENT
  626. select SIBYTE_BCM1125
  627. select SWAP_IO_SPACE
  628. select SYS_HAS_CPU_SB1
  629. select SYS_SUPPORTS_BIG_ENDIAN
  630. select SYS_SUPPORTS_HIGHMEM
  631. select SYS_SUPPORTS_LITTLE_ENDIAN
  632. config SNI_RM200_PCI
  633. bool "SNI RM200 PCI"
  634. select ARC if CPU_LITTLE_ENDIAN
  635. select ARC32 if CPU_LITTLE_ENDIAN
  636. select ARCH_MAY_HAVE_PC_FDC
  637. select BOOT_ELF32
  638. select DMA_NONCOHERENT
  639. select GENERIC_ISA_DMA
  640. select HAVE_STD_PC_SERIAL_PORT
  641. select HW_HAS_EISA
  642. select HW_HAS_PCI
  643. select I8253
  644. select I8259
  645. select ISA
  646. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  647. select SYS_HAS_CPU_R4X00
  648. select SYS_HAS_CPU_R5000
  649. select R5000_CPU_SCACHE
  650. select SYS_SUPPORTS_32BIT_KERNEL
  651. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  652. select SYS_SUPPORTS_BIG_ENDIAN
  653. select SYS_SUPPORTS_HIGHMEM
  654. select SYS_SUPPORTS_LITTLE_ENDIAN
  655. help
  656. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  657. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  658. Technology and now in turn merged with Fujitsu. Say Y here to
  659. support this machine type.
  660. config TOSHIBA_JMR3927
  661. bool "Toshiba JMR-TX3927 board"
  662. select DMA_NONCOHERENT
  663. select HW_HAS_PCI
  664. select MIPS_TX3927
  665. select SWAP_IO_SPACE
  666. select SYS_HAS_CPU_TX39XX
  667. select SYS_SUPPORTS_32BIT_KERNEL
  668. select SYS_SUPPORTS_BIG_ENDIAN
  669. select TOSHIBA_BOARDS
  670. config TOSHIBA_RBTX4927
  671. bool "Toshiba TBTX49[23]7 board"
  672. select DMA_NONCOHERENT
  673. select HAS_TXX9_SERIAL
  674. select HW_HAS_PCI
  675. select I8259
  676. select ISA
  677. select SWAP_IO_SPACE
  678. select SYS_HAS_CPU_TX49XX
  679. select SYS_SUPPORTS_32BIT_KERNEL
  680. select SYS_SUPPORTS_64BIT_KERNEL
  681. select SYS_SUPPORTS_BIG_ENDIAN
  682. select TOSHIBA_BOARDS
  683. help
  684. This Toshiba board is based on the TX4927 processor. Say Y here to
  685. support this machine type
  686. config TOSHIBA_RBTX4938
  687. bool "Toshiba RBTX4938 board"
  688. select HAVE_STD_PC_SERIAL_PORT
  689. select DMA_NONCOHERENT
  690. select GENERIC_ISA_DMA
  691. select HAS_TXX9_SERIAL
  692. select HW_HAS_PCI
  693. select I8259
  694. select ISA
  695. select SWAP_IO_SPACE
  696. select SYS_HAS_CPU_TX49XX
  697. select SYS_SUPPORTS_32BIT_KERNEL
  698. select SYS_SUPPORTS_LITTLE_ENDIAN
  699. select SYS_SUPPORTS_BIG_ENDIAN
  700. select TOSHIBA_BOARDS
  701. help
  702. This Toshiba board is based on the TX4938 processor. Say Y here to
  703. support this machine type
  704. endchoice
  705. source "arch/mips/ddb5xxx/Kconfig"
  706. source "arch/mips/gt64120/ev64120/Kconfig"
  707. source "arch/mips/jazz/Kconfig"
  708. source "arch/mips/lasat/Kconfig"
  709. source "arch/mips/momentum/Kconfig"
  710. source "arch/mips/pmc-sierra/Kconfig"
  711. source "arch/mips/sgi-ip27/Kconfig"
  712. source "arch/mips/sibyte/Kconfig"
  713. source "arch/mips/tx4927/Kconfig"
  714. source "arch/mips/tx4938/Kconfig"
  715. source "arch/mips/vr41xx/Kconfig"
  716. source "arch/mips/philips/pnx8550/common/Kconfig"
  717. source "arch/mips/cobalt/Kconfig"
  718. endmenu
  719. config RWSEM_GENERIC_SPINLOCK
  720. bool
  721. default y
  722. config RWSEM_XCHGADD_ALGORITHM
  723. bool
  724. config GENERIC_FIND_NEXT_BIT
  725. bool
  726. default y
  727. config GENERIC_HWEIGHT
  728. bool
  729. default y
  730. config GENERIC_CALIBRATE_DELAY
  731. bool
  732. default y
  733. config GENERIC_TIME
  734. bool
  735. default y
  736. config SCHED_NO_NO_OMIT_FRAME_POINTER
  737. bool
  738. default y
  739. #
  740. # Select some configuration options automatically based on user selections.
  741. #
  742. config ARC
  743. bool
  744. config ARCH_MAY_HAVE_PC_FDC
  745. bool
  746. config DMA_COHERENT
  747. bool
  748. config DMA_IP27
  749. bool
  750. config DMA_IP32
  751. bool
  752. select DMA_NEED_PCI_MAP_STATE
  753. config DMA_NONCOHERENT
  754. bool
  755. select DMA_NEED_PCI_MAP_STATE
  756. config DMA_NEED_PCI_MAP_STATE
  757. bool
  758. config OWN_DMA
  759. bool
  760. config EARLY_PRINTK
  761. bool
  762. config GENERIC_ISA_DMA
  763. bool
  764. config I8259
  765. bool
  766. config LIMITED_DMA
  767. bool
  768. select HIGHMEM
  769. select SYS_SUPPORTS_HIGHMEM
  770. config MIPS_BONITO64
  771. bool
  772. config MIPS_MSC
  773. bool
  774. config MIPS_NILE4
  775. bool
  776. config MIPS_DISABLE_OBSOLETE_IDE
  777. bool
  778. #
  779. # Endianess selection. Suffiently obscure so many users don't know what to
  780. # answer,so we try hard to limit the available choices. Also the use of a
  781. # choice statement should be more obvious to the user.
  782. #
  783. choice
  784. prompt "Endianess selection"
  785. help
  786. Some MIPS machines can be configured for either little or big endian
  787. byte order. These modes require different kernels and a different
  788. Linux distribution. In general there is one prefered byteorder for a
  789. particular system but some systems are just as commonly used in the
  790. one or the other endianess.
  791. config CPU_BIG_ENDIAN
  792. bool "Big endian"
  793. depends on SYS_SUPPORTS_BIG_ENDIAN
  794. config CPU_LITTLE_ENDIAN
  795. bool "Little endian"
  796. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  797. help
  798. endchoice
  799. config SYS_SUPPORTS_BIG_ENDIAN
  800. bool
  801. config SYS_SUPPORTS_LITTLE_ENDIAN
  802. bool
  803. config IRQ_CPU
  804. bool
  805. config IRQ_CPU_RM7K
  806. bool
  807. config IRQ_CPU_RM9K
  808. bool
  809. config IRQ_MV64340
  810. bool
  811. config DDB5XXX_COMMON
  812. bool
  813. config MIPS_BOARDS_GEN
  814. bool
  815. config MIPS_GT64111
  816. bool
  817. config MIPS_GT64120
  818. bool
  819. config MIPS_TX3927
  820. bool
  821. select HAS_TXX9_SERIAL
  822. config MIPS_RM9122
  823. bool
  824. select SERIAL_RM9000
  825. select GPI_RM9000
  826. select WDT_RM9000
  827. config PCI_MARVELL
  828. bool
  829. config SOC_AU1000
  830. bool
  831. select SOC_AU1X00
  832. config SOC_AU1100
  833. bool
  834. select SOC_AU1X00
  835. config SOC_AU1500
  836. bool
  837. select SOC_AU1X00
  838. config SOC_AU1550
  839. bool
  840. select SOC_AU1X00
  841. config SOC_AU1200
  842. bool
  843. select SOC_AU1X00
  844. config SOC_AU1X00
  845. bool
  846. select SYS_HAS_CPU_MIPS32_R1
  847. select SYS_SUPPORTS_32BIT_KERNEL
  848. config PNX8550
  849. bool
  850. select SOC_PNX8550
  851. config SOC_PNX8550
  852. bool
  853. select DMA_NONCOHERENT
  854. select HW_HAS_PCI
  855. select SYS_HAS_CPU_MIPS32_R1
  856. select SYS_SUPPORTS_32BIT_KERNEL
  857. config SWAP_IO_SPACE
  858. bool
  859. config EMMA2RH
  860. bool
  861. depends on MARKEINS
  862. default y
  863. config SERIAL_RM9000
  864. bool
  865. config GPI_RM9000
  866. bool
  867. config WDT_RM9000
  868. bool
  869. #
  870. # Unfortunately not all GT64120 systems run the chip at the same clock.
  871. # As the user for the clock rate and try to minimize the available options.
  872. #
  873. choice
  874. prompt "Galileo Chip Clock"
  875. #default SYSCLK_83 if MIPS_EV64120
  876. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  877. default SYSCLK_83 if MIPS_EV64120
  878. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  879. config SYSCLK_75
  880. bool "75" if MIPS_EV64120
  881. config SYSCLK_83
  882. bool "83.3" if MIPS_EV64120
  883. config SYSCLK_100
  884. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  885. endchoice
  886. config ARC32
  887. bool
  888. config BOOT_ELF32
  889. bool
  890. config MIPS_L1_CACHE_SHIFT
  891. int
  892. default "4" if MACH_DECSTATION
  893. default "7" if SGI_IP27
  894. default "5"
  895. config HAVE_STD_PC_SERIAL_PORT
  896. bool
  897. config ARC_CONSOLE
  898. bool "ARC console support"
  899. depends on SGI_IP22 || SNI_RM200_PCI
  900. config ARC_MEMORY
  901. bool
  902. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  903. default y
  904. config ARC_PROMLIB
  905. bool
  906. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  907. default y
  908. config ARC64
  909. bool
  910. config BOOT_ELF64
  911. bool
  912. config TOSHIBA_BOARDS
  913. bool
  914. menu "CPU selection"
  915. choice
  916. prompt "CPU type"
  917. default CPU_R4X00
  918. config CPU_MIPS32_R1
  919. bool "MIPS32 Release 1"
  920. depends on SYS_HAS_CPU_MIPS32_R1
  921. select CPU_HAS_LLSC
  922. select CPU_HAS_PREFETCH
  923. select CPU_SUPPORTS_32BIT_KERNEL
  924. select CPU_SUPPORTS_HIGHMEM
  925. help
  926. Choose this option to build a kernel for release 1 or later of the
  927. MIPS32 architecture. Most modern embedded systems with a 32-bit
  928. MIPS processor are based on a MIPS32 processor. If you know the
  929. specific type of processor in your system, choose those that one
  930. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  931. Release 2 of the MIPS32 architecture is available since several
  932. years so chances are you even have a MIPS32 Release 2 processor
  933. in which case you should choose CPU_MIPS32_R2 instead for better
  934. performance.
  935. config CPU_MIPS32_R2
  936. bool "MIPS32 Release 2"
  937. depends on SYS_HAS_CPU_MIPS32_R2
  938. select CPU_HAS_LLSC
  939. select CPU_HAS_PREFETCH
  940. select CPU_SUPPORTS_32BIT_KERNEL
  941. select CPU_SUPPORTS_HIGHMEM
  942. help
  943. Choose this option to build a kernel for release 2 or later of the
  944. MIPS32 architecture. Most modern embedded systems with a 32-bit
  945. MIPS processor are based on a MIPS32 processor. If you know the
  946. specific type of processor in your system, choose those that one
  947. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  948. config CPU_MIPS64_R1
  949. bool "MIPS64 Release 1"
  950. depends on SYS_HAS_CPU_MIPS64_R1
  951. select CPU_HAS_LLSC
  952. select CPU_HAS_PREFETCH
  953. select CPU_SUPPORTS_32BIT_KERNEL
  954. select CPU_SUPPORTS_64BIT_KERNEL
  955. select CPU_SUPPORTS_HIGHMEM
  956. help
  957. Choose this option to build a kernel for release 1 or later of the
  958. MIPS64 architecture. Many modern embedded systems with a 64-bit
  959. MIPS processor are based on a MIPS64 processor. If you know the
  960. specific type of processor in your system, choose those that one
  961. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  962. Release 2 of the MIPS64 architecture is available since several
  963. years so chances are you even have a MIPS64 Release 2 processor
  964. in which case you should choose CPU_MIPS64_R2 instead for better
  965. performance.
  966. config CPU_MIPS64_R2
  967. bool "MIPS64 Release 2"
  968. depends on SYS_HAS_CPU_MIPS64_R2
  969. select CPU_HAS_LLSC
  970. select CPU_HAS_PREFETCH
  971. select CPU_SUPPORTS_32BIT_KERNEL
  972. select CPU_SUPPORTS_64BIT_KERNEL
  973. select CPU_SUPPORTS_HIGHMEM
  974. help
  975. Choose this option to build a kernel for release 2 or later of the
  976. MIPS64 architecture. Many modern embedded systems with a 64-bit
  977. MIPS processor are based on a MIPS64 processor. If you know the
  978. specific type of processor in your system, choose those that one
  979. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  980. config CPU_R3000
  981. bool "R3000"
  982. depends on SYS_HAS_CPU_R3000
  983. select CPU_HAS_WB
  984. select CPU_SUPPORTS_32BIT_KERNEL
  985. select CPU_SUPPORTS_HIGHMEM
  986. help
  987. Please make sure to pick the right CPU type. Linux/MIPS is not
  988. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  989. *not* work on R4000 machines and vice versa. However, since most
  990. of the supported machines have an R4000 (or similar) CPU, R4x00
  991. might be a safe bet. If the resulting kernel does not work,
  992. try to recompile with R3000.
  993. config CPU_TX39XX
  994. bool "R39XX"
  995. depends on SYS_HAS_CPU_TX39XX
  996. select CPU_SUPPORTS_32BIT_KERNEL
  997. config CPU_VR41XX
  998. bool "R41xx"
  999. depends on SYS_HAS_CPU_VR41XX
  1000. select CPU_SUPPORTS_32BIT_KERNEL
  1001. select CPU_SUPPORTS_64BIT_KERNEL
  1002. help
  1003. The options selects support for the NEC VR4100 series of processors.
  1004. Only choose this option if you have one of these processors as a
  1005. kernel built with this option will not run on any other type of
  1006. processor or vice versa.
  1007. config CPU_R4300
  1008. bool "R4300"
  1009. depends on SYS_HAS_CPU_R4300
  1010. select CPU_HAS_LLSC
  1011. select CPU_SUPPORTS_32BIT_KERNEL
  1012. select CPU_SUPPORTS_64BIT_KERNEL
  1013. help
  1014. MIPS Technologies R4300-series processors.
  1015. config CPU_R4X00
  1016. bool "R4x00"
  1017. depends on SYS_HAS_CPU_R4X00
  1018. select CPU_HAS_LLSC
  1019. select CPU_SUPPORTS_32BIT_KERNEL
  1020. select CPU_SUPPORTS_64BIT_KERNEL
  1021. help
  1022. MIPS Technologies R4000-series processors other than 4300, including
  1023. the R4000, R4400, R4600, and 4700.
  1024. config CPU_TX49XX
  1025. bool "R49XX"
  1026. depends on SYS_HAS_CPU_TX49XX
  1027. select CPU_HAS_LLSC
  1028. select CPU_HAS_PREFETCH
  1029. select CPU_SUPPORTS_32BIT_KERNEL
  1030. select CPU_SUPPORTS_64BIT_KERNEL
  1031. config CPU_R5000
  1032. bool "R5000"
  1033. depends on SYS_HAS_CPU_R5000
  1034. select CPU_HAS_LLSC
  1035. select CPU_SUPPORTS_32BIT_KERNEL
  1036. select CPU_SUPPORTS_64BIT_KERNEL
  1037. help
  1038. MIPS Technologies R5000-series processors other than the Nevada.
  1039. config CPU_R5432
  1040. bool "R5432"
  1041. depends on SYS_HAS_CPU_R5432
  1042. select CPU_HAS_LLSC
  1043. select CPU_SUPPORTS_32BIT_KERNEL
  1044. select CPU_SUPPORTS_64BIT_KERNEL
  1045. config CPU_R6000
  1046. bool "R6000"
  1047. depends on EXPERIMENTAL
  1048. select CPU_HAS_LLSC
  1049. depends on SYS_HAS_CPU_R6000
  1050. select CPU_SUPPORTS_32BIT_KERNEL
  1051. help
  1052. MIPS Technologies R6000 and R6000A series processors. Note these
  1053. processors are extremely rare and the support for them is incomplete.
  1054. config CPU_NEVADA
  1055. bool "RM52xx"
  1056. depends on SYS_HAS_CPU_NEVADA
  1057. select CPU_HAS_LLSC
  1058. select CPU_SUPPORTS_32BIT_KERNEL
  1059. select CPU_SUPPORTS_64BIT_KERNEL
  1060. help
  1061. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1062. config CPU_R8000
  1063. bool "R8000"
  1064. depends on EXPERIMENTAL
  1065. depends on SYS_HAS_CPU_R8000
  1066. select CPU_HAS_LLSC
  1067. select CPU_HAS_PREFETCH
  1068. select CPU_SUPPORTS_64BIT_KERNEL
  1069. help
  1070. MIPS Technologies R8000 processors. Note these processors are
  1071. uncommon and the support for them is incomplete.
  1072. config CPU_R10000
  1073. bool "R10000"
  1074. depends on SYS_HAS_CPU_R10000
  1075. select CPU_HAS_LLSC
  1076. select CPU_HAS_PREFETCH
  1077. select CPU_SUPPORTS_32BIT_KERNEL
  1078. select CPU_SUPPORTS_64BIT_KERNEL
  1079. select CPU_SUPPORTS_HIGHMEM
  1080. help
  1081. MIPS Technologies R10000-series processors.
  1082. config CPU_RM7000
  1083. bool "RM7000"
  1084. depends on SYS_HAS_CPU_RM7000
  1085. select CPU_HAS_LLSC
  1086. select CPU_HAS_PREFETCH
  1087. select CPU_SUPPORTS_32BIT_KERNEL
  1088. select CPU_SUPPORTS_64BIT_KERNEL
  1089. select CPU_SUPPORTS_HIGHMEM
  1090. config CPU_RM9000
  1091. bool "RM9000"
  1092. depends on SYS_HAS_CPU_RM9000
  1093. select CPU_HAS_LLSC
  1094. select CPU_HAS_PREFETCH
  1095. select CPU_SUPPORTS_32BIT_KERNEL
  1096. select CPU_SUPPORTS_64BIT_KERNEL
  1097. select CPU_SUPPORTS_HIGHMEM
  1098. config CPU_SB1
  1099. bool "SB1"
  1100. depends on SYS_HAS_CPU_SB1
  1101. select CPU_HAS_LLSC
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_64BIT_KERNEL
  1104. select CPU_SUPPORTS_HIGHMEM
  1105. endchoice
  1106. config SYS_HAS_CPU_MIPS32_R1
  1107. bool
  1108. config SYS_HAS_CPU_MIPS32_R2
  1109. bool
  1110. config SYS_HAS_CPU_MIPS64_R1
  1111. bool
  1112. config SYS_HAS_CPU_MIPS64_R2
  1113. bool
  1114. config SYS_HAS_CPU_R3000
  1115. bool
  1116. config SYS_HAS_CPU_TX39XX
  1117. bool
  1118. config SYS_HAS_CPU_VR41XX
  1119. bool
  1120. config SYS_HAS_CPU_R4300
  1121. bool
  1122. config SYS_HAS_CPU_R4X00
  1123. bool
  1124. config SYS_HAS_CPU_TX49XX
  1125. bool
  1126. config SYS_HAS_CPU_R5000
  1127. bool
  1128. config SYS_HAS_CPU_R5432
  1129. bool
  1130. config SYS_HAS_CPU_R6000
  1131. bool
  1132. config SYS_HAS_CPU_NEVADA
  1133. bool
  1134. config SYS_HAS_CPU_R8000
  1135. bool
  1136. config SYS_HAS_CPU_R10000
  1137. bool
  1138. config SYS_HAS_CPU_RM7000
  1139. bool
  1140. config SYS_HAS_CPU_RM9000
  1141. bool
  1142. config SYS_HAS_CPU_SB1
  1143. bool
  1144. endmenu
  1145. #
  1146. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1147. #
  1148. config CPU_MIPS32
  1149. bool
  1150. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1151. config CPU_MIPS64
  1152. bool
  1153. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1154. #
  1155. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1156. #
  1157. config CPU_MIPSR1
  1158. bool
  1159. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1160. config CPU_MIPSR2
  1161. bool
  1162. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1163. config SYS_SUPPORTS_32BIT_KERNEL
  1164. bool
  1165. config SYS_SUPPORTS_64BIT_KERNEL
  1166. bool
  1167. config CPU_SUPPORTS_32BIT_KERNEL
  1168. bool
  1169. config CPU_SUPPORTS_64BIT_KERNEL
  1170. bool
  1171. menu "Kernel type"
  1172. choice
  1173. prompt "Kernel code model"
  1174. help
  1175. You should only select this option if you have a workload that
  1176. actually benefits from 64-bit processing or if your machine has
  1177. large memory. You will only be presented a single option in this
  1178. menu if your system does not support both 32-bit and 64-bit kernels.
  1179. config 32BIT
  1180. bool "32-bit kernel"
  1181. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1182. select TRAD_SIGNALS
  1183. help
  1184. Select this option if you want to build a 32-bit kernel.
  1185. config 64BIT
  1186. bool "64-bit kernel"
  1187. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1188. help
  1189. Select this option if you want to build a 64-bit kernel.
  1190. endchoice
  1191. choice
  1192. prompt "Kernel page size"
  1193. default PAGE_SIZE_4KB
  1194. config PAGE_SIZE_4KB
  1195. bool "4kB"
  1196. help
  1197. This option select the standard 4kB Linux page size. On some
  1198. R3000-family processors this is the only available page size. Using
  1199. 4kB page size will minimize memory consumption and is therefore
  1200. recommended for low memory systems.
  1201. config PAGE_SIZE_8KB
  1202. bool "8kB"
  1203. depends on EXPERIMENTAL && CPU_R8000
  1204. help
  1205. Using 8kB page size will result in higher performance kernel at
  1206. the price of higher memory consumption. This option is available
  1207. only on the R8000 processor. Not that at the time of this writing
  1208. this option is still high experimental; there are also issues with
  1209. compatibility of user applications.
  1210. config PAGE_SIZE_16KB
  1211. bool "16kB"
  1212. depends on !CPU_R3000 && !CPU_TX39XX
  1213. help
  1214. Using 16kB page size will result in higher performance kernel at
  1215. the price of higher memory consumption. This option is available on
  1216. all non-R3000 family processors. Note that you will need a suitable
  1217. Linux distribution to support this.
  1218. config PAGE_SIZE_64KB
  1219. bool "64kB"
  1220. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1221. help
  1222. Using 64kB page size will result in higher performance kernel at
  1223. the price of higher memory consumption. This option is available on
  1224. all non-R3000 family processor. Not that at the time of this
  1225. writing this option is still high experimental.
  1226. endchoice
  1227. config BOARD_SCACHE
  1228. bool
  1229. config IP22_CPU_SCACHE
  1230. bool
  1231. select BOARD_SCACHE
  1232. #
  1233. # Support for a MIPS32 / MIPS64 style S-caches
  1234. #
  1235. config MIPS_CPU_SCACHE
  1236. bool
  1237. select BOARD_SCACHE
  1238. config R5000_CPU_SCACHE
  1239. bool
  1240. select BOARD_SCACHE
  1241. config RM7000_CPU_SCACHE
  1242. bool
  1243. select BOARD_SCACHE
  1244. config SIBYTE_DMA_PAGEOPS
  1245. bool "Use DMA to clear/copy pages"
  1246. depends on CPU_SB1
  1247. help
  1248. Instead of using the CPU to zero and copy pages, use a Data Mover
  1249. channel. These DMA channels are otherwise unused by the standard
  1250. SiByte Linux port. Seems to give a small performance benefit.
  1251. config CPU_HAS_PREFETCH
  1252. bool
  1253. choice
  1254. prompt "MIPS MT options"
  1255. config MIPS_MT_DISABLED
  1256. bool "Disable multithreading support."
  1257. help
  1258. Use this option if your workload can't take advantage of
  1259. MIPS hardware multithreading support. On systems that don't have
  1260. the option of an MT-enabled processor this option will be the only
  1261. option in this menu.
  1262. config MIPS_MT_SMP
  1263. bool "Use 1 TC on each available VPE for SMP"
  1264. depends on SYS_SUPPORTS_MULTITHREADING
  1265. select CPU_MIPSR2_IRQ_VI
  1266. select CPU_MIPSR2_SRS
  1267. select MIPS_MT
  1268. select SMP
  1269. select SYS_SUPPORTS_SMP
  1270. help
  1271. This is a kernel model which is also known a VSMP or lately
  1272. has been marketesed into SMVP.
  1273. config MIPS_MT_SMTC
  1274. bool "SMTC: Use all TCs on all VPEs for SMP"
  1275. depends on CPU_MIPS32_R2
  1276. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1277. depends on SYS_SUPPORTS_MULTITHREADING
  1278. select CPU_MIPSR2_IRQ_VI
  1279. select CPU_MIPSR2_SRS
  1280. select MIPS_MT
  1281. select SMP
  1282. select SYS_SUPPORTS_SMP
  1283. help
  1284. This is a kernel model which is known a SMTC or lately has been
  1285. marketesed into SMVP.
  1286. config MIPS_VPE_LOADER
  1287. bool "VPE loader support."
  1288. depends on SYS_SUPPORTS_MULTITHREADING
  1289. select MIPS_MT
  1290. help
  1291. Includes a loader for loading an elf relocatable object
  1292. onto another VPE and running it.
  1293. endchoice
  1294. config MIPS_MT
  1295. bool
  1296. config SYS_SUPPORTS_MULTITHREADING
  1297. bool
  1298. config MIPS_MT_FPAFF
  1299. bool "Dynamic FPU affinity for FP-intensive threads"
  1300. depends on MIPS_MT
  1301. default y
  1302. config MIPS_VPE_LOADER_TOM
  1303. bool "Load VPE program into memory hidden from linux"
  1304. depends on MIPS_VPE_LOADER
  1305. default y
  1306. help
  1307. The loader can use memory that is present but has been hidden from
  1308. Linux using the kernel command line option "mem=xxMB". It's up to
  1309. you to ensure the amount you put in the option and the space your
  1310. program requires is less or equal to the amount physically present.
  1311. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1312. config MIPS_VPE_APSP_API
  1313. bool "Enable support for AP/SP API (RTLX)"
  1314. depends on MIPS_VPE_LOADER
  1315. help
  1316. config MIPS_APSP_KSPD
  1317. bool "Enable KSPD"
  1318. depends on MIPS_VPE_APSP_API
  1319. default y
  1320. help
  1321. KSPD is a kernel daemon that accepts syscall requests from the SP
  1322. side, actions them and returns the results. It also handles the
  1323. "exit" syscall notifying other kernel modules the SP program is
  1324. exiting. You probably want to say yes here.
  1325. config SB1_PASS_1_WORKAROUNDS
  1326. bool
  1327. depends on CPU_SB1_PASS_1
  1328. default y
  1329. config SB1_PASS_2_WORKAROUNDS
  1330. bool
  1331. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1332. default y
  1333. config SB1_PASS_2_1_WORKAROUNDS
  1334. bool
  1335. depends on CPU_SB1 && CPU_SB1_PASS_2
  1336. default y
  1337. config 64BIT_PHYS_ADDR
  1338. bool "Support for 64-bit physical address space"
  1339. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1340. config CPU_HAS_LLSC
  1341. bool
  1342. config CPU_HAS_WB
  1343. bool
  1344. #
  1345. # Vectored interrupt mode is an R2 feature
  1346. #
  1347. config CPU_MIPSR2_IRQ_VI
  1348. bool
  1349. #
  1350. # Extended interrupt mode is an R2 feature
  1351. #
  1352. config CPU_MIPSR2_IRQ_EI
  1353. bool
  1354. #
  1355. # Shadow registers are an R2 feature
  1356. #
  1357. config CPU_MIPSR2_SRS
  1358. bool
  1359. config CPU_HAS_SYNC
  1360. bool
  1361. depends on !CPU_R3000
  1362. default y
  1363. #
  1364. # Use the generic interrupt handling code in kernel/irq/:
  1365. #
  1366. config GENERIC_HARDIRQS
  1367. bool
  1368. default y
  1369. config GENERIC_IRQ_PROBE
  1370. bool
  1371. default y
  1372. config IRQ_PER_CPU
  1373. bool
  1374. #
  1375. # - Highmem only makes sense for the 32-bit kernel.
  1376. # - The current highmem code will only work properly on physically indexed
  1377. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1378. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1379. # moment we protect the user and offer the highmem option only on machines
  1380. # where it's known to be safe. This will not offer highmem on a few systems
  1381. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1382. # indexed CPUs but we're playing safe.
  1383. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1384. # know they might have memory configurations that could make use of highmem
  1385. # support.
  1386. #
  1387. config HIGHMEM
  1388. bool "High Memory Support"
  1389. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1390. config CPU_SUPPORTS_HIGHMEM
  1391. bool
  1392. config SYS_SUPPORTS_HIGHMEM
  1393. bool
  1394. config ARCH_FLATMEM_ENABLE
  1395. def_bool y
  1396. depends on !NUMA
  1397. config ARCH_DISCONTIGMEM_ENABLE
  1398. bool
  1399. default y if SGI_IP27
  1400. help
  1401. Say Y to upport efficient handling of discontiguous physical memory,
  1402. for architectures which are either NUMA (Non-Uniform Memory Access)
  1403. or have huge holes in the physical address space for other reasons.
  1404. See <file:Documentation/vm/numa> for more.
  1405. config ARCH_SPARSEMEM_ENABLE
  1406. bool
  1407. select SPARSEMEM_STATIC
  1408. config NUMA
  1409. bool "NUMA Support"
  1410. depends on SYS_SUPPORTS_NUMA
  1411. help
  1412. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1413. Access). This option improves performance on systems with more
  1414. than two nodes; on two node systems it is generally better to
  1415. leave it disabled; on single node systems disable this option
  1416. disabled.
  1417. config SYS_SUPPORTS_NUMA
  1418. bool
  1419. config NODES_SHIFT
  1420. int
  1421. default "6"
  1422. depends on NEED_MULTIPLE_NODES
  1423. source "mm/Kconfig"
  1424. config SMP
  1425. bool "Multi-Processing support"
  1426. depends on SYS_SUPPORTS_SMP
  1427. select IRQ_PER_CPU
  1428. help
  1429. This enables support for systems with more than one CPU. If you have
  1430. a system with only one CPU, like most personal computers, say N. If
  1431. you have a system with more than one CPU, say Y.
  1432. If you say N here, the kernel will run on single and multiprocessor
  1433. machines, but will use only one CPU of a multiprocessor machine. If
  1434. you say Y here, the kernel will run on many, but not all,
  1435. singleprocessor machines. On a singleprocessor machine, the kernel
  1436. will run faster if you say N here.
  1437. People using multiprocessor machines who say Y here should also say
  1438. Y to "Enhanced Real Time Clock Support", below.
  1439. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1440. available at <http://www.tldp.org/docs.html#howto>.
  1441. If you don't know what to do here, say N.
  1442. config SYS_SUPPORTS_SMP
  1443. bool
  1444. config NR_CPUS
  1445. int "Maximum number of CPUs (2-64)"
  1446. range 2 64
  1447. depends on SMP
  1448. default "64" if SGI_IP27
  1449. default "2"
  1450. default "8" if MIPS_MT_SMTC
  1451. help
  1452. This allows you to specify the maximum number of CPUs which this
  1453. kernel will support. The maximum supported value is 32 for 32-bit
  1454. kernel and 64 for 64-bit kernels; the minimum value which makes
  1455. sense is 2.
  1456. This is purely to save memory - each supported CPU adds
  1457. approximately eight kilobytes to the kernel image.
  1458. #
  1459. # Timer Interrupt Frequency Configuration
  1460. #
  1461. choice
  1462. prompt "Timer frequency"
  1463. default HZ_250
  1464. help
  1465. Allows the configuration of the timer frequency.
  1466. config HZ_48
  1467. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1468. config HZ_100
  1469. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1470. config HZ_128
  1471. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1472. config HZ_250
  1473. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1474. config HZ_256
  1475. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1476. config HZ_1000
  1477. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1478. config HZ_1024
  1479. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1480. endchoice
  1481. config SYS_SUPPORTS_48HZ
  1482. bool
  1483. config SYS_SUPPORTS_100HZ
  1484. bool
  1485. config SYS_SUPPORTS_128HZ
  1486. bool
  1487. config SYS_SUPPORTS_250HZ
  1488. bool
  1489. config SYS_SUPPORTS_256HZ
  1490. bool
  1491. config SYS_SUPPORTS_1000HZ
  1492. bool
  1493. config SYS_SUPPORTS_1024HZ
  1494. bool
  1495. config SYS_SUPPORTS_ARBIT_HZ
  1496. bool
  1497. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1498. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1499. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1500. !SYS_SUPPORTS_1024HZ
  1501. config HZ
  1502. int
  1503. default 48 if HZ_48
  1504. default 100 if HZ_100
  1505. default 128 if HZ_128
  1506. default 250 if HZ_250
  1507. default 256 if HZ_256
  1508. default 1000 if HZ_1000
  1509. default 1024 if HZ_1024
  1510. source "kernel/Kconfig.preempt"
  1511. config RTC_DS1742
  1512. bool "DS1742 BRAM/RTC support"
  1513. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1514. config MIPS_INSANE_LARGE
  1515. bool "Support for large 64-bit configurations"
  1516. depends on CPU_R10000 && 64BIT
  1517. help
  1518. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1519. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1520. need processes of more than 1TB virtual address space, say Y here.
  1521. This will result in additional memory usage, so it is not
  1522. recommended for normal users.
  1523. endmenu
  1524. config RWSEM_GENERIC_SPINLOCK
  1525. bool
  1526. default y
  1527. config LOCKDEP_SUPPORT
  1528. bool
  1529. default y
  1530. config STACKTRACE_SUPPORT
  1531. bool
  1532. default y
  1533. source "init/Kconfig"
  1534. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1535. config HW_HAS_EISA
  1536. bool
  1537. config HW_HAS_PCI
  1538. bool
  1539. config PCI
  1540. bool "Support for PCI controller"
  1541. depends on HW_HAS_PCI
  1542. help
  1543. Find out whether you have a PCI motherboard. PCI is the name of a
  1544. bus system, i.e. the way the CPU talks to the other stuff inside
  1545. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1546. say Y, otherwise N.
  1547. The PCI-HOWTO, available from
  1548. <http://www.tldp.org/docs.html#howto>, contains valuable
  1549. information about which PCI hardware does work under Linux and which
  1550. doesn't.
  1551. config PCI_DOMAINS
  1552. bool
  1553. depends on PCI
  1554. source "drivers/pci/Kconfig"
  1555. #
  1556. # ISA support is now enabled via select. Too many systems still have the one
  1557. # or other ISA chip on the board that users don't know about so don't expect
  1558. # users to choose the right thing ...
  1559. #
  1560. config ISA
  1561. bool
  1562. config NO_ISA
  1563. bool
  1564. config EISA
  1565. bool "EISA support"
  1566. depends on HW_HAS_EISA
  1567. select ISA
  1568. ---help---
  1569. The Extended Industry Standard Architecture (EISA) bus was
  1570. developed as an open alternative to the IBM MicroChannel bus.
  1571. The EISA bus provided some of the features of the IBM MicroChannel
  1572. bus while maintaining backward compatibility with cards made for
  1573. the older ISA bus. The EISA bus saw limited use between 1988 and
  1574. 1995 when it was made obsolete by the PCI bus.
  1575. Say Y here if you are building a kernel for an EISA-based machine.
  1576. Otherwise, say N.
  1577. source "drivers/eisa/Kconfig"
  1578. config TC
  1579. bool "TURBOchannel support"
  1580. depends on MACH_DECSTATION
  1581. help
  1582. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1583. processors. Documentation on writing device drivers for TurboChannel
  1584. is available at:
  1585. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1586. #config ACCESSBUS
  1587. # bool "Access.Bus support"
  1588. # depends on TC
  1589. config MMU
  1590. bool
  1591. default y
  1592. config I8253
  1593. bool
  1594. source "drivers/pcmcia/Kconfig"
  1595. source "drivers/pci/hotplug/Kconfig"
  1596. endmenu
  1597. menu "Executable file formats"
  1598. source "fs/Kconfig.binfmt"
  1599. config TRAD_SIGNALS
  1600. bool
  1601. config BUILD_ELF64
  1602. bool "Use 64-bit ELF format for building"
  1603. depends on 64BIT
  1604. help
  1605. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1606. format as it's one that allows arbitrary 64-bit constructs. For
  1607. kernels that are loaded within the KSEG compatibility segments the
  1608. 32-bit ELF format can optionally be used resulting in a somewhat
  1609. smaller binary, but this option is not explicitly supported by the
  1610. toolchain and since binutils 2.14 it does not even work at all.
  1611. Say Y to use the 64-bit format or N to use the 32-bit one.
  1612. If unsure say Y.
  1613. config BINFMT_IRIX
  1614. bool "Include IRIX binary compatibility"
  1615. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1616. config MIPS32_COMPAT
  1617. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1618. depends on 64BIT
  1619. help
  1620. Select this option if you want Linux/MIPS 32-bit binary
  1621. compatibility. Since all software available for Linux/MIPS is
  1622. currently 32-bit you should say Y here.
  1623. config COMPAT
  1624. bool
  1625. depends on MIPS32_COMPAT
  1626. default y
  1627. config MIPS32_O32
  1628. bool "Kernel support for o32 binaries"
  1629. depends on MIPS32_COMPAT
  1630. help
  1631. Select this option if you want to run o32 binaries. These are pure
  1632. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1633. existing binaries are in this format.
  1634. If unsure, say Y.
  1635. config MIPS32_N32
  1636. bool "Kernel support for n32 binaries"
  1637. depends on MIPS32_COMPAT
  1638. help
  1639. Select this option if you want to run n32 binaries. These are
  1640. 64-bit binaries using 32-bit quantities for addressing and certain
  1641. data that would normally be 64-bit. They are used in special
  1642. cases.
  1643. If unsure, say N.
  1644. config BINFMT_ELF32
  1645. bool
  1646. default y if MIPS32_O32 || MIPS32_N32
  1647. config SECCOMP
  1648. bool "Enable seccomp to safely compute untrusted bytecode"
  1649. depends on PROC_FS && BROKEN
  1650. default y
  1651. help
  1652. This kernel feature is useful for number crunching applications
  1653. that may need to compute untrusted bytecode during their
  1654. execution. By using pipes or other transports made available to
  1655. the process as file descriptors supporting the read/write
  1656. syscalls, it's possible to isolate those applications in
  1657. their own address space using seccomp. Once seccomp is
  1658. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1659. and the task is only allowed to execute a few safe syscalls
  1660. defined by each seccomp mode.
  1661. If unsure, say Y. Only embedded should say N here.
  1662. config PM
  1663. bool "Power Management support (EXPERIMENTAL)"
  1664. depends on EXPERIMENTAL && SOC_AU1X00
  1665. config APM
  1666. tristate "Advanced Power Management Emulation"
  1667. depends on PM
  1668. ---help---
  1669. APM is a BIOS specification for saving power using several different
  1670. techniques. This is mostly useful for battery powered systems with
  1671. APM compliant BIOSes. If you say Y here, the system time will be
  1672. reset after a RESUME operation, the /proc/apm device will provide
  1673. battery status information, and user-space programs will receive
  1674. notification of APM "events" (e.g. battery status change).
  1675. In order to use APM, you will need supporting software. For location
  1676. and more information, read <file:Documentation/pm.txt> and the
  1677. Battery Powered Linux mini-HOWTO, available from
  1678. <http://www.tldp.org/docs.html#howto>.
  1679. This driver does not spin down disk drives (see the hdparm(8)
  1680. manpage ("man 8 hdparm") for that), and it doesn't turn off
  1681. VESA-compliant "green" monitors.
  1682. Generally, if you don't have a battery in your machine, there isn't
  1683. much point in using this driver and you should say N. If you get
  1684. random kernel OOPSes or reboots that don't seem to be related to
  1685. anything, try disabling/enabling this option (or disabling/enabling
  1686. APM in your BIOS).
  1687. endmenu
  1688. source "net/Kconfig"
  1689. source "drivers/Kconfig"
  1690. source "fs/Kconfig"
  1691. source "arch/mips/oprofile/Kconfig"
  1692. source "arch/mips/Kconfig.debug"
  1693. source "security/Kconfig"
  1694. source "crypto/Kconfig"
  1695. source "lib/Kconfig"