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
  393. select SYS_SUPPORTS_BIG_ENDIAN
  394. select ARCH_SPARSEMEM_ENABLE
  395. help
  396. The Ocelot is a MIPS-based Single Board Computer (SBC) made by
  397. Momentum Computer <http://www.momenco.com/>.
  398. config MIPS_XXS1500
  399. bool "MyCable XXS1500 board"
  400. select DMA_NONCOHERENT
  401. select SOC_AU1500
  402. select SYS_SUPPORTS_LITTLE_ENDIAN
  403. config PNX8550_V2PCI
  404. bool "Philips PNX8550 based Viper2-PCI board"
  405. depends on BROKEN
  406. select PNX8550
  407. select SYS_SUPPORTS_LITTLE_ENDIAN
  408. config PNX8550_JBS
  409. bool "Philips PNX8550 based JBS board"
  410. depends on BROKEN
  411. select PNX8550
  412. select SYS_SUPPORTS_LITTLE_ENDIAN
  413. config DDB5477
  414. bool "NEC DDB Vrc-5477"
  415. select DDB5XXX_COMMON
  416. select DMA_NONCOHERENT
  417. select HW_HAS_PCI
  418. select I8259
  419. select IRQ_CPU
  420. select SYS_HAS_CPU_R5432
  421. select SYS_SUPPORTS_32BIT_KERNEL
  422. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  423. select SYS_SUPPORTS_LITTLE_ENDIAN
  424. help
  425. This enables support for the R5432-based NEC DDB Vrc-5477,
  426. or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
  427. Features : kernel debugging, serial terminal, NFS root fs, on-board
  428. ether port USB, AC97, PCI, etc.
  429. config MACH_VR41XX
  430. bool "NEC VR41XX-based machines"
  431. select SYS_HAS_CPU_VR41XX
  432. select SYS_SUPPORTS_32BIT_KERNEL
  433. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  434. config PMC_YOSEMITE
  435. bool "PMC-Sierra Yosemite eval board"
  436. select DMA_COHERENT
  437. select HW_HAS_PCI
  438. select IRQ_CPU
  439. select IRQ_CPU_RM7K
  440. select IRQ_CPU_RM9K
  441. select SWAP_IO_SPACE
  442. select SYS_HAS_CPU_RM9000
  443. select SYS_SUPPORTS_32BIT_KERNEL
  444. select SYS_SUPPORTS_64BIT_KERNEL
  445. select SYS_SUPPORTS_BIG_ENDIAN
  446. select SYS_SUPPORTS_HIGHMEM
  447. select SYS_SUPPORTS_SMP
  448. help
  449. Yosemite is an evaluation board for the RM9000x2 processor
  450. manufactured by PMC-Sierra.
  451. config QEMU
  452. bool "Qemu"
  453. select DMA_COHERENT
  454. select GENERIC_ISA_DMA
  455. select HAVE_STD_PC_SERIAL_PORT
  456. select I8253
  457. select I8259
  458. select ISA
  459. select SWAP_IO_SPACE
  460. select SYS_HAS_CPU_MIPS32_R1
  461. select SYS_SUPPORTS_32BIT_KERNEL
  462. select SYS_SUPPORTS_BIG_ENDIAN
  463. select SYS_SUPPORTS_LITTLE_ENDIAN
  464. select ARCH_SPARSEMEM_ENABLE
  465. help
  466. Qemu is a software emulator which among other architectures also
  467. can simulate a MIPS32 4Kc system. This patch adds support for the
  468. system architecture that currently is being simulated by Qemu. It
  469. will eventually be removed again when Qemu has the capability to
  470. simulate actual MIPS hardware platforms. More information on Qemu
  471. can be found at http://www.linux-mips.org/wiki/Qemu.
  472. config MARKEINS
  473. bool "Support for NEC EMMA2RH Mark-eins"
  474. select DMA_NONCOHERENT
  475. select HW_HAS_PCI
  476. select IRQ_CPU
  477. select SWAP_IO_SPACE
  478. select SYS_SUPPORTS_32BIT_KERNEL
  479. select SYS_SUPPORTS_BIG_ENDIAN
  480. select SYS_SUPPORTS_LITTLE_ENDIAN
  481. select SYS_HAS_CPU_R5000
  482. help
  483. This enables support for the R5432-based NEC Mark-eins
  484. boards with R5500 CPU.
  485. config SGI_IP22
  486. bool "SGI IP22 (Indy/Indigo2)"
  487. select ARC
  488. select ARC32
  489. select BOOT_ELF32
  490. select DMA_NONCOHERENT
  491. select HW_HAS_EISA
  492. select IP22_CPU_SCACHE
  493. select IRQ_CPU
  494. select NO_ISA if ISA
  495. select SWAP_IO_SPACE
  496. select SYS_HAS_CPU_R4X00
  497. select SYS_HAS_CPU_R5000
  498. select SYS_SUPPORTS_32BIT_KERNEL
  499. select SYS_SUPPORTS_64BIT_KERNEL
  500. select SYS_SUPPORTS_BIG_ENDIAN
  501. help
  502. This are the SGI Indy, Challenge S and Indigo2, as well as certain
  503. OEM variants like the Tandem CMN B006S. To compile a Linux kernel
  504. that runs on these, say Y here.
  505. config SGI_IP27
  506. bool "SGI IP27 (Origin200/2000)"
  507. select ARC
  508. select ARC64
  509. select BOOT_ELF64
  510. select DMA_IP27
  511. select EARLY_PRINTK
  512. select HW_HAS_PCI
  513. select PCI_DOMAINS
  514. select SYS_HAS_CPU_R10000
  515. select SYS_SUPPORTS_64BIT_KERNEL
  516. select SYS_SUPPORTS_BIG_ENDIAN
  517. select SYS_SUPPORTS_NUMA
  518. help
  519. This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
  520. workstations. To compile a Linux kernel that runs on these, say Y
  521. here.
  522. config SGI_IP32
  523. bool "SGI IP32 (O2) (EXPERIMENTAL)"
  524. depends on EXPERIMENTAL
  525. select ARC
  526. select ARC32
  527. select BOOT_ELF32
  528. select OWN_DMA
  529. select DMA_IP32
  530. select DMA_NONCOHERENT
  531. select HW_HAS_PCI
  532. select R5000_CPU_SCACHE
  533. select RM7000_CPU_SCACHE
  534. select SYS_HAS_CPU_R5000
  535. select SYS_HAS_CPU_R10000 if BROKEN
  536. select SYS_HAS_CPU_RM7000
  537. select SYS_HAS_CPU_NEVADA
  538. select SYS_SUPPORTS_64BIT_KERNEL
  539. select SYS_SUPPORTS_BIG_ENDIAN
  540. help
  541. If you want this kernel to run on SGI O2 workstation, say Y here.
  542. config SIBYTE_BIGSUR
  543. bool "Sibyte BCM91480B-BigSur"
  544. select BOOT_ELF32
  545. select DMA_COHERENT
  546. select PCI_DOMAINS
  547. select SIBYTE_BCM1x80
  548. select SWAP_IO_SPACE
  549. select SYS_HAS_CPU_SB1
  550. select SYS_SUPPORTS_BIG_ENDIAN
  551. select SYS_SUPPORTS_LITTLE_ENDIAN
  552. config SIBYTE_SWARM
  553. bool "Sibyte BCM91250A-SWARM"
  554. select BOOT_ELF32
  555. select DMA_COHERENT
  556. select SIBYTE_SB1250
  557. select SWAP_IO_SPACE
  558. select SYS_HAS_CPU_SB1
  559. select SYS_SUPPORTS_BIG_ENDIAN
  560. select SYS_SUPPORTS_HIGHMEM
  561. select SYS_SUPPORTS_LITTLE_ENDIAN
  562. config SIBYTE_SENTOSA
  563. bool "Sibyte BCM91250E-Sentosa"
  564. depends on EXPERIMENTAL
  565. select BOOT_ELF32
  566. select DMA_COHERENT
  567. select SIBYTE_SB1250
  568. select SWAP_IO_SPACE
  569. select SYS_HAS_CPU_SB1
  570. select SYS_SUPPORTS_BIG_ENDIAN
  571. select SYS_SUPPORTS_LITTLE_ENDIAN
  572. config SIBYTE_RHONE
  573. bool "Sibyte BCM91125E-Rhone"
  574. depends on EXPERIMENTAL
  575. select BOOT_ELF32
  576. select DMA_COHERENT
  577. select SIBYTE_BCM1125H
  578. select SWAP_IO_SPACE
  579. select SYS_HAS_CPU_SB1
  580. select SYS_SUPPORTS_BIG_ENDIAN
  581. select SYS_SUPPORTS_LITTLE_ENDIAN
  582. config SIBYTE_CARMEL
  583. bool "Sibyte BCM91120x-Carmel"
  584. depends on EXPERIMENTAL
  585. select BOOT_ELF32
  586. select DMA_COHERENT
  587. select SIBYTE_BCM1120
  588. select SWAP_IO_SPACE
  589. select SYS_HAS_CPU_SB1
  590. select SYS_SUPPORTS_BIG_ENDIAN
  591. select SYS_SUPPORTS_LITTLE_ENDIAN
  592. config SIBYTE_PTSWARM
  593. bool "Sibyte BCM91250PT-PTSWARM"
  594. depends on EXPERIMENTAL
  595. select BOOT_ELF32
  596. select DMA_COHERENT
  597. select SIBYTE_SB1250
  598. select SWAP_IO_SPACE
  599. select SYS_HAS_CPU_SB1
  600. select SYS_SUPPORTS_BIG_ENDIAN
  601. select SYS_SUPPORTS_HIGHMEM
  602. select SYS_SUPPORTS_LITTLE_ENDIAN
  603. config SIBYTE_LITTLESUR
  604. bool "Sibyte BCM91250C2-LittleSur"
  605. depends on EXPERIMENTAL
  606. select BOOT_ELF32
  607. select DMA_COHERENT
  608. select SIBYTE_SB1250
  609. select SWAP_IO_SPACE
  610. select SYS_HAS_CPU_SB1
  611. select SYS_SUPPORTS_BIG_ENDIAN
  612. select SYS_SUPPORTS_HIGHMEM
  613. select SYS_SUPPORTS_LITTLE_ENDIAN
  614. config SIBYTE_CRHINE
  615. bool "Sibyte BCM91120C-CRhine"
  616. depends on EXPERIMENTAL
  617. select BOOT_ELF32
  618. select DMA_COHERENT
  619. select SIBYTE_BCM1120
  620. select SWAP_IO_SPACE
  621. select SYS_HAS_CPU_SB1
  622. select SYS_SUPPORTS_BIG_ENDIAN
  623. select SYS_SUPPORTS_LITTLE_ENDIAN
  624. config SIBYTE_CRHONE
  625. bool "Sibyte BCM91125C-CRhone"
  626. depends on EXPERIMENTAL
  627. select BOOT_ELF32
  628. select DMA_COHERENT
  629. select SIBYTE_BCM1125
  630. select SWAP_IO_SPACE
  631. select SYS_HAS_CPU_SB1
  632. select SYS_SUPPORTS_BIG_ENDIAN
  633. select SYS_SUPPORTS_HIGHMEM
  634. select SYS_SUPPORTS_LITTLE_ENDIAN
  635. config SNI_RM200_PCI
  636. bool "SNI RM200 PCI"
  637. select ARC if CPU_LITTLE_ENDIAN
  638. select ARC32 if CPU_LITTLE_ENDIAN
  639. select ARCH_MAY_HAVE_PC_FDC
  640. select BOOT_ELF32
  641. select DMA_NONCOHERENT
  642. select GENERIC_ISA_DMA
  643. select HAVE_STD_PC_SERIAL_PORT
  644. select HW_HAS_EISA
  645. select HW_HAS_PCI
  646. select I8253
  647. select I8259
  648. select ISA
  649. select SWAP_IO_SPACE if CPU_BIG_ENDIAN
  650. select SYS_HAS_CPU_R4X00
  651. select SYS_HAS_CPU_R5000
  652. select R5000_CPU_SCACHE
  653. select SYS_SUPPORTS_32BIT_KERNEL
  654. select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
  655. select SYS_SUPPORTS_BIG_ENDIAN
  656. select SYS_SUPPORTS_HIGHMEM
  657. select SYS_SUPPORTS_LITTLE_ENDIAN
  658. help
  659. The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
  660. Nixdorf Informationssysteme (SNI), parent company of Pyramid
  661. Technology and now in turn merged with Fujitsu. Say Y here to
  662. support this machine type.
  663. config TOSHIBA_JMR3927
  664. bool "Toshiba JMR-TX3927 board"
  665. select DMA_NONCOHERENT
  666. select HW_HAS_PCI
  667. select MIPS_TX3927
  668. select SWAP_IO_SPACE
  669. select SYS_HAS_CPU_TX39XX
  670. select SYS_SUPPORTS_32BIT_KERNEL
  671. select SYS_SUPPORTS_BIG_ENDIAN
  672. select TOSHIBA_BOARDS
  673. config TOSHIBA_RBTX4927
  674. bool "Toshiba TBTX49[23]7 board"
  675. select DMA_NONCOHERENT
  676. select HAS_TXX9_SERIAL
  677. select HW_HAS_PCI
  678. select I8259
  679. select ISA
  680. select SWAP_IO_SPACE
  681. select SYS_HAS_CPU_TX49XX
  682. select SYS_SUPPORTS_32BIT_KERNEL
  683. select SYS_SUPPORTS_64BIT_KERNEL
  684. select SYS_SUPPORTS_BIG_ENDIAN
  685. select TOSHIBA_BOARDS
  686. help
  687. This Toshiba board is based on the TX4927 processor. Say Y here to
  688. support this machine type
  689. config TOSHIBA_RBTX4938
  690. bool "Toshiba RBTX4938 board"
  691. select HAVE_STD_PC_SERIAL_PORT
  692. select DMA_NONCOHERENT
  693. select GENERIC_ISA_DMA
  694. select HAS_TXX9_SERIAL
  695. select HW_HAS_PCI
  696. select I8259
  697. select ISA
  698. select SWAP_IO_SPACE
  699. select SYS_HAS_CPU_TX49XX
  700. select SYS_SUPPORTS_32BIT_KERNEL
  701. select SYS_SUPPORTS_LITTLE_ENDIAN
  702. select SYS_SUPPORTS_BIG_ENDIAN
  703. select TOSHIBA_BOARDS
  704. help
  705. This Toshiba board is based on the TX4938 processor. Say Y here to
  706. support this machine type
  707. endchoice
  708. source "arch/mips/ddb5xxx/Kconfig"
  709. source "arch/mips/gt64120/ev64120/Kconfig"
  710. source "arch/mips/jazz/Kconfig"
  711. source "arch/mips/lasat/Kconfig"
  712. source "arch/mips/momentum/Kconfig"
  713. source "arch/mips/pmc-sierra/Kconfig"
  714. source "arch/mips/sgi-ip27/Kconfig"
  715. source "arch/mips/sibyte/Kconfig"
  716. source "arch/mips/tx4927/Kconfig"
  717. source "arch/mips/tx4938/Kconfig"
  718. source "arch/mips/vr41xx/Kconfig"
  719. source "arch/mips/philips/pnx8550/common/Kconfig"
  720. source "arch/mips/cobalt/Kconfig"
  721. endmenu
  722. config RWSEM_GENERIC_SPINLOCK
  723. bool
  724. default y
  725. config RWSEM_XCHGADD_ALGORITHM
  726. bool
  727. config GENERIC_FIND_NEXT_BIT
  728. bool
  729. default y
  730. config GENERIC_HWEIGHT
  731. bool
  732. default y
  733. config GENERIC_CALIBRATE_DELAY
  734. bool
  735. default y
  736. config GENERIC_TIME
  737. bool
  738. default y
  739. config SCHED_NO_NO_OMIT_FRAME_POINTER
  740. bool
  741. default y
  742. #
  743. # Select some configuration options automatically based on user selections.
  744. #
  745. config ARC
  746. bool
  747. config ARCH_MAY_HAVE_PC_FDC
  748. bool
  749. config DMA_COHERENT
  750. bool
  751. config DMA_IP27
  752. bool
  753. config DMA_IP32
  754. bool
  755. select DMA_NEED_PCI_MAP_STATE
  756. config DMA_NONCOHERENT
  757. bool
  758. select DMA_NEED_PCI_MAP_STATE
  759. config DMA_NEED_PCI_MAP_STATE
  760. bool
  761. config OWN_DMA
  762. bool
  763. config EARLY_PRINTK
  764. bool
  765. config GENERIC_ISA_DMA
  766. bool
  767. config I8259
  768. bool
  769. config LIMITED_DMA
  770. bool
  771. select HIGHMEM
  772. select SYS_SUPPORTS_HIGHMEM
  773. config MIPS_BONITO64
  774. bool
  775. config MIPS_MSC
  776. bool
  777. config MIPS_NILE4
  778. bool
  779. config MIPS_DISABLE_OBSOLETE_IDE
  780. bool
  781. #
  782. # Endianess selection. Suffiently obscure so many users don't know what to
  783. # answer,so we try hard to limit the available choices. Also the use of a
  784. # choice statement should be more obvious to the user.
  785. #
  786. choice
  787. prompt "Endianess selection"
  788. help
  789. Some MIPS machines can be configured for either little or big endian
  790. byte order. These modes require different kernels and a different
  791. Linux distribution. In general there is one prefered byteorder for a
  792. particular system but some systems are just as commonly used in the
  793. one or the other endianess.
  794. config CPU_BIG_ENDIAN
  795. bool "Big endian"
  796. depends on SYS_SUPPORTS_BIG_ENDIAN
  797. config CPU_LITTLE_ENDIAN
  798. bool "Little endian"
  799. depends on SYS_SUPPORTS_LITTLE_ENDIAN
  800. help
  801. endchoice
  802. config SYS_SUPPORTS_BIG_ENDIAN
  803. bool
  804. config SYS_SUPPORTS_LITTLE_ENDIAN
  805. bool
  806. config IRQ_CPU
  807. bool
  808. config IRQ_CPU_RM7K
  809. bool
  810. config IRQ_CPU_RM9K
  811. bool
  812. config IRQ_MV64340
  813. bool
  814. config DDB5XXX_COMMON
  815. bool
  816. config MIPS_BOARDS_GEN
  817. bool
  818. config MIPS_GT64111
  819. bool
  820. config MIPS_GT64120
  821. bool
  822. config MIPS_TX3927
  823. bool
  824. select HAS_TXX9_SERIAL
  825. config MIPS_RM9122
  826. bool
  827. select SERIAL_RM9000
  828. select GPI_RM9000
  829. select WDT_RM9000
  830. config PCI_MARVELL
  831. bool
  832. config SOC_AU1000
  833. bool
  834. select SOC_AU1X00
  835. config SOC_AU1100
  836. bool
  837. select SOC_AU1X00
  838. config SOC_AU1500
  839. bool
  840. select SOC_AU1X00
  841. config SOC_AU1550
  842. bool
  843. select SOC_AU1X00
  844. config SOC_AU1200
  845. bool
  846. select SOC_AU1X00
  847. config SOC_AU1X00
  848. bool
  849. select SYS_HAS_CPU_MIPS32_R1
  850. select SYS_SUPPORTS_32BIT_KERNEL
  851. config PNX8550
  852. bool
  853. select SOC_PNX8550
  854. config SOC_PNX8550
  855. bool
  856. select DMA_NONCOHERENT
  857. select HW_HAS_PCI
  858. select SYS_HAS_CPU_MIPS32_R1
  859. select SYS_SUPPORTS_32BIT_KERNEL
  860. config SWAP_IO_SPACE
  861. bool
  862. config EMMA2RH
  863. bool
  864. depends on MARKEINS
  865. default y
  866. config SERIAL_RM9000
  867. bool
  868. config GPI_RM9000
  869. bool
  870. config WDT_RM9000
  871. bool
  872. #
  873. # Unfortunately not all GT64120 systems run the chip at the same clock.
  874. # As the user for the clock rate and try to minimize the available options.
  875. #
  876. choice
  877. prompt "Galileo Chip Clock"
  878. #default SYSCLK_83 if MIPS_EV64120
  879. depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  880. default SYSCLK_83 if MIPS_EV64120
  881. default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
  882. config SYSCLK_75
  883. bool "75" if MIPS_EV64120
  884. config SYSCLK_83
  885. bool "83.3" if MIPS_EV64120
  886. config SYSCLK_100
  887. bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
  888. endchoice
  889. config ARC32
  890. bool
  891. config AU1X00_USB_DEVICE
  892. bool
  893. depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
  894. default n
  895. config BOOT_ELF32
  896. bool
  897. config MIPS_L1_CACHE_SHIFT
  898. int
  899. default "4" if MACH_DECSTATION
  900. default "7" if SGI_IP27
  901. default "5"
  902. config HAVE_STD_PC_SERIAL_PORT
  903. bool
  904. config ARC_CONSOLE
  905. bool "ARC console support"
  906. depends on SGI_IP22 || SNI_RM200_PCI
  907. config ARC_MEMORY
  908. bool
  909. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
  910. default y
  911. config ARC_PROMLIB
  912. bool
  913. depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
  914. default y
  915. config ARC64
  916. bool
  917. config BOOT_ELF64
  918. bool
  919. config TOSHIBA_BOARDS
  920. bool
  921. menu "CPU selection"
  922. choice
  923. prompt "CPU type"
  924. default CPU_R4X00
  925. config CPU_MIPS32_R1
  926. bool "MIPS32 Release 1"
  927. depends on SYS_HAS_CPU_MIPS32_R1
  928. select CPU_HAS_LLSC
  929. select CPU_HAS_PREFETCH
  930. select CPU_SUPPORTS_32BIT_KERNEL
  931. select CPU_SUPPORTS_HIGHMEM
  932. help
  933. Choose this option to build a kernel for release 1 or later of the
  934. MIPS32 architecture. Most modern embedded systems with a 32-bit
  935. MIPS processor are based on a MIPS32 processor. If you know the
  936. specific type of processor in your system, choose those that one
  937. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  938. Release 2 of the MIPS32 architecture is available since several
  939. years so chances are you even have a MIPS32 Release 2 processor
  940. in which case you should choose CPU_MIPS32_R2 instead for better
  941. performance.
  942. config CPU_MIPS32_R2
  943. bool "MIPS32 Release 2"
  944. depends on SYS_HAS_CPU_MIPS32_R2
  945. select CPU_HAS_LLSC
  946. select CPU_HAS_PREFETCH
  947. select CPU_SUPPORTS_32BIT_KERNEL
  948. select CPU_SUPPORTS_HIGHMEM
  949. help
  950. Choose this option to build a kernel for release 2 or later of the
  951. MIPS32 architecture. Most modern embedded systems with a 32-bit
  952. MIPS processor are based on a MIPS32 processor. If you know the
  953. specific type of processor in your system, choose those that one
  954. otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
  955. config CPU_MIPS64_R1
  956. bool "MIPS64 Release 1"
  957. depends on SYS_HAS_CPU_MIPS64_R1
  958. select CPU_HAS_LLSC
  959. select CPU_HAS_PREFETCH
  960. select CPU_SUPPORTS_32BIT_KERNEL
  961. select CPU_SUPPORTS_64BIT_KERNEL
  962. select CPU_SUPPORTS_HIGHMEM
  963. help
  964. Choose this option to build a kernel for release 1 or later of the
  965. MIPS64 architecture. Many modern embedded systems with a 64-bit
  966. MIPS processor are based on a MIPS64 processor. If you know the
  967. specific type of processor in your system, choose those that one
  968. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  969. Release 2 of the MIPS64 architecture is available since several
  970. years so chances are you even have a MIPS64 Release 2 processor
  971. in which case you should choose CPU_MIPS64_R2 instead for better
  972. performance.
  973. config CPU_MIPS64_R2
  974. bool "MIPS64 Release 2"
  975. depends on SYS_HAS_CPU_MIPS64_R2
  976. select CPU_HAS_LLSC
  977. select CPU_HAS_PREFETCH
  978. select CPU_SUPPORTS_32BIT_KERNEL
  979. select CPU_SUPPORTS_64BIT_KERNEL
  980. select CPU_SUPPORTS_HIGHMEM
  981. help
  982. Choose this option to build a kernel for release 2 or later of the
  983. MIPS64 architecture. Many modern embedded systems with a 64-bit
  984. MIPS processor are based on a MIPS64 processor. If you know the
  985. specific type of processor in your system, choose those that one
  986. otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
  987. config CPU_R3000
  988. bool "R3000"
  989. depends on SYS_HAS_CPU_R3000
  990. select CPU_HAS_WB
  991. select CPU_SUPPORTS_32BIT_KERNEL
  992. select CPU_SUPPORTS_HIGHMEM
  993. help
  994. Please make sure to pick the right CPU type. Linux/MIPS is not
  995. designed to be generic, i.e. Kernels compiled for R3000 CPUs will
  996. *not* work on R4000 machines and vice versa. However, since most
  997. of the supported machines have an R4000 (or similar) CPU, R4x00
  998. might be a safe bet. If the resulting kernel does not work,
  999. try to recompile with R3000.
  1000. config CPU_TX39XX
  1001. bool "R39XX"
  1002. depends on SYS_HAS_CPU_TX39XX
  1003. select CPU_SUPPORTS_32BIT_KERNEL
  1004. config CPU_VR41XX
  1005. bool "R41xx"
  1006. depends on SYS_HAS_CPU_VR41XX
  1007. select CPU_SUPPORTS_32BIT_KERNEL
  1008. select CPU_SUPPORTS_64BIT_KERNEL
  1009. help
  1010. The options selects support for the NEC VR4100 series of processors.
  1011. Only choose this option if you have one of these processors as a
  1012. kernel built with this option will not run on any other type of
  1013. processor or vice versa.
  1014. config CPU_R4300
  1015. bool "R4300"
  1016. depends on SYS_HAS_CPU_R4300
  1017. select CPU_HAS_LLSC
  1018. select CPU_SUPPORTS_32BIT_KERNEL
  1019. select CPU_SUPPORTS_64BIT_KERNEL
  1020. help
  1021. MIPS Technologies R4300-series processors.
  1022. config CPU_R4X00
  1023. bool "R4x00"
  1024. depends on SYS_HAS_CPU_R4X00
  1025. select CPU_HAS_LLSC
  1026. select CPU_SUPPORTS_32BIT_KERNEL
  1027. select CPU_SUPPORTS_64BIT_KERNEL
  1028. help
  1029. MIPS Technologies R4000-series processors other than 4300, including
  1030. the R4000, R4400, R4600, and 4700.
  1031. config CPU_TX49XX
  1032. bool "R49XX"
  1033. depends on SYS_HAS_CPU_TX49XX
  1034. select CPU_HAS_LLSC
  1035. select CPU_HAS_PREFETCH
  1036. select CPU_SUPPORTS_32BIT_KERNEL
  1037. select CPU_SUPPORTS_64BIT_KERNEL
  1038. config CPU_R5000
  1039. bool "R5000"
  1040. depends on SYS_HAS_CPU_R5000
  1041. select CPU_HAS_LLSC
  1042. select CPU_SUPPORTS_32BIT_KERNEL
  1043. select CPU_SUPPORTS_64BIT_KERNEL
  1044. help
  1045. MIPS Technologies R5000-series processors other than the Nevada.
  1046. config CPU_R5432
  1047. bool "R5432"
  1048. depends on SYS_HAS_CPU_R5432
  1049. select CPU_HAS_LLSC
  1050. select CPU_SUPPORTS_32BIT_KERNEL
  1051. select CPU_SUPPORTS_64BIT_KERNEL
  1052. config CPU_R6000
  1053. bool "R6000"
  1054. depends on EXPERIMENTAL
  1055. select CPU_HAS_LLSC
  1056. depends on SYS_HAS_CPU_R6000
  1057. select CPU_SUPPORTS_32BIT_KERNEL
  1058. help
  1059. MIPS Technologies R6000 and R6000A series processors. Note these
  1060. processors are extremely rare and the support for them is incomplete.
  1061. config CPU_NEVADA
  1062. bool "RM52xx"
  1063. depends on SYS_HAS_CPU_NEVADA
  1064. select CPU_HAS_LLSC
  1065. select CPU_SUPPORTS_32BIT_KERNEL
  1066. select CPU_SUPPORTS_64BIT_KERNEL
  1067. help
  1068. QED / PMC-Sierra RM52xx-series ("Nevada") processors.
  1069. config CPU_R8000
  1070. bool "R8000"
  1071. depends on EXPERIMENTAL
  1072. depends on SYS_HAS_CPU_R8000
  1073. select CPU_HAS_LLSC
  1074. select CPU_HAS_PREFETCH
  1075. select CPU_SUPPORTS_64BIT_KERNEL
  1076. help
  1077. MIPS Technologies R8000 processors. Note these processors are
  1078. uncommon and the support for them is incomplete.
  1079. config CPU_R10000
  1080. bool "R10000"
  1081. depends on SYS_HAS_CPU_R10000
  1082. select CPU_HAS_LLSC
  1083. select CPU_HAS_PREFETCH
  1084. select CPU_SUPPORTS_32BIT_KERNEL
  1085. select CPU_SUPPORTS_64BIT_KERNEL
  1086. select CPU_SUPPORTS_HIGHMEM
  1087. help
  1088. MIPS Technologies R10000-series processors.
  1089. config CPU_RM7000
  1090. bool "RM7000"
  1091. depends on SYS_HAS_CPU_RM7000
  1092. select CPU_HAS_LLSC
  1093. select CPU_HAS_PREFETCH
  1094. select CPU_SUPPORTS_32BIT_KERNEL
  1095. select CPU_SUPPORTS_64BIT_KERNEL
  1096. select CPU_SUPPORTS_HIGHMEM
  1097. config CPU_RM9000
  1098. bool "RM9000"
  1099. depends on SYS_HAS_CPU_RM9000
  1100. select CPU_HAS_LLSC
  1101. select CPU_HAS_PREFETCH
  1102. select CPU_SUPPORTS_32BIT_KERNEL
  1103. select CPU_SUPPORTS_64BIT_KERNEL
  1104. select CPU_SUPPORTS_HIGHMEM
  1105. config CPU_SB1
  1106. bool "SB1"
  1107. depends on SYS_HAS_CPU_SB1
  1108. select CPU_HAS_LLSC
  1109. select CPU_SUPPORTS_32BIT_KERNEL
  1110. select CPU_SUPPORTS_64BIT_KERNEL
  1111. select CPU_SUPPORTS_HIGHMEM
  1112. endchoice
  1113. config SYS_HAS_CPU_MIPS32_R1
  1114. bool
  1115. config SYS_HAS_CPU_MIPS32_R2
  1116. bool
  1117. config SYS_HAS_CPU_MIPS64_R1
  1118. bool
  1119. config SYS_HAS_CPU_MIPS64_R2
  1120. bool
  1121. config SYS_HAS_CPU_R3000
  1122. bool
  1123. config SYS_HAS_CPU_TX39XX
  1124. bool
  1125. config SYS_HAS_CPU_VR41XX
  1126. bool
  1127. config SYS_HAS_CPU_R4300
  1128. bool
  1129. config SYS_HAS_CPU_R4X00
  1130. bool
  1131. config SYS_HAS_CPU_TX49XX
  1132. bool
  1133. config SYS_HAS_CPU_R5000
  1134. bool
  1135. config SYS_HAS_CPU_R5432
  1136. bool
  1137. config SYS_HAS_CPU_R6000
  1138. bool
  1139. config SYS_HAS_CPU_NEVADA
  1140. bool
  1141. config SYS_HAS_CPU_R8000
  1142. bool
  1143. config SYS_HAS_CPU_R10000
  1144. bool
  1145. config SYS_HAS_CPU_RM7000
  1146. bool
  1147. config SYS_HAS_CPU_RM9000
  1148. bool
  1149. config SYS_HAS_CPU_SB1
  1150. bool
  1151. endmenu
  1152. #
  1153. # These two indicate any level of the MIPS32 and MIPS64 architecture
  1154. #
  1155. config CPU_MIPS32
  1156. bool
  1157. default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
  1158. config CPU_MIPS64
  1159. bool
  1160. default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
  1161. #
  1162. # These two indicate the revision of the architecture, either Release 1 or Release 2
  1163. #
  1164. config CPU_MIPSR1
  1165. bool
  1166. default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
  1167. config CPU_MIPSR2
  1168. bool
  1169. default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
  1170. config SYS_SUPPORTS_32BIT_KERNEL
  1171. bool
  1172. config SYS_SUPPORTS_64BIT_KERNEL
  1173. bool
  1174. config CPU_SUPPORTS_32BIT_KERNEL
  1175. bool
  1176. config CPU_SUPPORTS_64BIT_KERNEL
  1177. bool
  1178. menu "Kernel type"
  1179. choice
  1180. prompt "Kernel code model"
  1181. help
  1182. You should only select this option if you have a workload that
  1183. actually benefits from 64-bit processing or if your machine has
  1184. large memory. You will only be presented a single option in this
  1185. menu if your system does not support both 32-bit and 64-bit kernels.
  1186. config 32BIT
  1187. bool "32-bit kernel"
  1188. depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
  1189. select TRAD_SIGNALS
  1190. help
  1191. Select this option if you want to build a 32-bit kernel.
  1192. config 64BIT
  1193. bool "64-bit kernel"
  1194. depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
  1195. help
  1196. Select this option if you want to build a 64-bit kernel.
  1197. endchoice
  1198. choice
  1199. prompt "Kernel page size"
  1200. default PAGE_SIZE_4KB
  1201. config PAGE_SIZE_4KB
  1202. bool "4kB"
  1203. help
  1204. This option select the standard 4kB Linux page size. On some
  1205. R3000-family processors this is the only available page size. Using
  1206. 4kB page size will minimize memory consumption and is therefore
  1207. recommended for low memory systems.
  1208. config PAGE_SIZE_8KB
  1209. bool "8kB"
  1210. depends on EXPERIMENTAL && CPU_R8000
  1211. help
  1212. Using 8kB page size will result in higher performance kernel at
  1213. the price of higher memory consumption. This option is available
  1214. only on the R8000 processor. Not that at the time of this writing
  1215. this option is still high experimental; there are also issues with
  1216. compatibility of user applications.
  1217. config PAGE_SIZE_16KB
  1218. bool "16kB"
  1219. depends on !CPU_R3000 && !CPU_TX39XX
  1220. help
  1221. Using 16kB page size will result in higher performance kernel at
  1222. the price of higher memory consumption. This option is available on
  1223. all non-R3000 family processors. Note that you will need a suitable
  1224. Linux distribution to support this.
  1225. config PAGE_SIZE_64KB
  1226. bool "64kB"
  1227. depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
  1228. help
  1229. Using 64kB page size will result in higher performance kernel at
  1230. the price of higher memory consumption. This option is available on
  1231. all non-R3000 family processor. Not that at the time of this
  1232. writing this option is still high experimental.
  1233. endchoice
  1234. config BOARD_SCACHE
  1235. bool
  1236. config IP22_CPU_SCACHE
  1237. bool
  1238. select BOARD_SCACHE
  1239. #
  1240. # Support for a MIPS32 / MIPS64 style S-caches
  1241. #
  1242. config MIPS_CPU_SCACHE
  1243. bool
  1244. select BOARD_SCACHE
  1245. config R5000_CPU_SCACHE
  1246. bool
  1247. select BOARD_SCACHE
  1248. config RM7000_CPU_SCACHE
  1249. bool
  1250. select BOARD_SCACHE
  1251. config SIBYTE_DMA_PAGEOPS
  1252. bool "Use DMA to clear/copy pages"
  1253. depends on CPU_SB1
  1254. help
  1255. Instead of using the CPU to zero and copy pages, use a Data Mover
  1256. channel. These DMA channels are otherwise unused by the standard
  1257. SiByte Linux port. Seems to give a small performance benefit.
  1258. config CPU_HAS_PREFETCH
  1259. bool
  1260. choice
  1261. prompt "MIPS MT options"
  1262. config MIPS_MT_DISABLED
  1263. bool "Disable multithreading support."
  1264. help
  1265. Use this option if your workload can't take advantage of
  1266. MIPS hardware multithreading support. On systems that don't have
  1267. the option of an MT-enabled processor this option will be the only
  1268. option in this menu.
  1269. config MIPS_MT_SMTC
  1270. bool "SMTC: Use all TCs on all VPEs for SMP"
  1271. depends on CPU_MIPS32_R2
  1272. #depends on CPU_MIPS64_R2 # once there is hardware ...
  1273. depends on SYS_SUPPORTS_MULTITHREADING
  1274. select CPU_MIPSR2_IRQ_VI
  1275. select CPU_MIPSR2_SRS
  1276. select MIPS_MT
  1277. select SMP
  1278. select SYS_SUPPORTS_SMP
  1279. help
  1280. This is a kernel model which is known a SMTC or lately has been
  1281. marketesed into SMVP.
  1282. config MIPS_MT_SMP
  1283. bool "Use 1 TC on each available VPE for SMP"
  1284. depends on SYS_SUPPORTS_MULTITHREADING
  1285. select CPU_MIPSR2_IRQ_VI
  1286. select CPU_MIPSR2_SRS
  1287. select MIPS_MT
  1288. select SMP
  1289. select SYS_SUPPORTS_SMP
  1290. help
  1291. This is a kernel model which is also known a VSMP or lately
  1292. has been marketesed into SMVP.
  1293. config MIPS_VPE_LOADER
  1294. bool "VPE loader support."
  1295. depends on SYS_SUPPORTS_MULTITHREADING
  1296. select MIPS_MT
  1297. help
  1298. Includes a loader for loading an elf relocatable object
  1299. onto another VPE and running it.
  1300. endchoice
  1301. config MIPS_MT
  1302. bool
  1303. config SYS_SUPPORTS_MULTITHREADING
  1304. bool
  1305. config MIPS_MT_FPAFF
  1306. bool "Dynamic FPU affinity for FP-intensive threads"
  1307. depends on MIPS_MT
  1308. default y
  1309. config MIPS_VPE_LOADER_TOM
  1310. bool "Load VPE program into memory hidden from linux"
  1311. depends on MIPS_VPE_LOADER
  1312. default y
  1313. help
  1314. The loader can use memory that is present but has been hidden from
  1315. Linux using the kernel command line option "mem=xxMB". It's up to
  1316. you to ensure the amount you put in the option and the space your
  1317. program requires is less or equal to the amount physically present.
  1318. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
  1319. config MIPS_VPE_APSP_API
  1320. bool "Enable support for AP/SP API (RTLX)"
  1321. depends on MIPS_VPE_LOADER
  1322. help
  1323. config MIPS_APSP_KSPD
  1324. bool "Enable KSPD"
  1325. depends on MIPS_VPE_APSP_API
  1326. default y
  1327. help
  1328. KSPD is a kernel daemon that accepts syscall requests from the SP
  1329. side, actions them and returns the results. It also handles the
  1330. "exit" syscall notifying other kernel modules the SP program is
  1331. exiting. You probably want to say yes here.
  1332. config SB1_PASS_1_WORKAROUNDS
  1333. bool
  1334. depends on CPU_SB1_PASS_1
  1335. default y
  1336. config SB1_PASS_2_WORKAROUNDS
  1337. bool
  1338. depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
  1339. default y
  1340. config SB1_PASS_2_1_WORKAROUNDS
  1341. bool
  1342. depends on CPU_SB1 && CPU_SB1_PASS_2
  1343. default y
  1344. config 64BIT_PHYS_ADDR
  1345. bool "Support for 64-bit physical address space"
  1346. depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
  1347. config CPU_HAS_LLSC
  1348. bool
  1349. config CPU_HAS_WB
  1350. bool
  1351. #
  1352. # Vectored interrupt mode is an R2 feature
  1353. #
  1354. config CPU_MIPSR2_IRQ_VI
  1355. bool
  1356. #
  1357. # Extended interrupt mode is an R2 feature
  1358. #
  1359. config CPU_MIPSR2_IRQ_EI
  1360. bool
  1361. #
  1362. # Shadow registers are an R2 feature
  1363. #
  1364. config CPU_MIPSR2_SRS
  1365. bool
  1366. config CPU_HAS_SYNC
  1367. bool
  1368. depends on !CPU_R3000
  1369. default y
  1370. #
  1371. # Use the generic interrupt handling code in kernel/irq/:
  1372. #
  1373. config GENERIC_HARDIRQS
  1374. bool
  1375. default y
  1376. config GENERIC_IRQ_PROBE
  1377. bool
  1378. default y
  1379. config IRQ_PER_CPU
  1380. bool
  1381. #
  1382. # - Highmem only makes sense for the 32-bit kernel.
  1383. # - The current highmem code will only work properly on physically indexed
  1384. # caches such as R3000, SB1, R7000 or those that look like they're virtually
  1385. # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
  1386. # moment we protect the user and offer the highmem option only on machines
  1387. # where it's known to be safe. This will not offer highmem on a few systems
  1388. # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
  1389. # indexed CPUs but we're playing safe.
  1390. # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
  1391. # know they might have memory configurations that could make use of highmem
  1392. # support.
  1393. #
  1394. config HIGHMEM
  1395. bool "High Memory Support"
  1396. depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
  1397. config CPU_SUPPORTS_HIGHMEM
  1398. bool
  1399. config SYS_SUPPORTS_HIGHMEM
  1400. bool
  1401. config ARCH_FLATMEM_ENABLE
  1402. def_bool y
  1403. depends on !NUMA
  1404. config ARCH_DISCONTIGMEM_ENABLE
  1405. bool
  1406. default y if SGI_IP27
  1407. help
  1408. Say Y to upport efficient handling of discontiguous physical memory,
  1409. for architectures which are either NUMA (Non-Uniform Memory Access)
  1410. or have huge holes in the physical address space for other reasons.
  1411. See <file:Documentation/vm/numa> for more.
  1412. config ARCH_SPARSEMEM_ENABLE
  1413. bool
  1414. config ARCH_SPARSEMEM_ENABLE
  1415. bool
  1416. select SPARSEMEM_STATIC
  1417. config NUMA
  1418. bool "NUMA Support"
  1419. depends on SYS_SUPPORTS_NUMA
  1420. help
  1421. Say Y to compile the kernel to support NUMA (Non-Uniform Memory
  1422. Access). This option improves performance on systems with more
  1423. than two nodes; on two node systems it is generally better to
  1424. leave it disabled; on single node systems disable this option
  1425. disabled.
  1426. config SYS_SUPPORTS_NUMA
  1427. bool
  1428. config NODES_SHIFT
  1429. int
  1430. default "6"
  1431. depends on NEED_MULTIPLE_NODES
  1432. source "mm/Kconfig"
  1433. config SMP
  1434. bool "Multi-Processing support"
  1435. depends on SYS_SUPPORTS_SMP
  1436. select IRQ_PER_CPU
  1437. help
  1438. This enables support for systems with more than one CPU. If you have
  1439. a system with only one CPU, like most personal computers, say N. If
  1440. you have a system with more than one CPU, say Y.
  1441. If you say N here, the kernel will run on single and multiprocessor
  1442. machines, but will use only one CPU of a multiprocessor machine. If
  1443. you say Y here, the kernel will run on many, but not all,
  1444. singleprocessor machines. On a singleprocessor machine, the kernel
  1445. will run faster if you say N here.
  1446. People using multiprocessor machines who say Y here should also say
  1447. Y to "Enhanced Real Time Clock Support", below.
  1448. See also the <file:Documentation/smp.txt> and the SMP-HOWTO
  1449. available at <http://www.tldp.org/docs.html#howto>.
  1450. If you don't know what to do here, say N.
  1451. config SYS_SUPPORTS_SMP
  1452. bool
  1453. config NR_CPUS
  1454. int "Maximum number of CPUs (2-64)"
  1455. range 2 64
  1456. depends on SMP
  1457. default "64" if SGI_IP27
  1458. default "2"
  1459. help
  1460. This allows you to specify the maximum number of CPUs which this
  1461. kernel will support. The maximum supported value is 32 for 32-bit
  1462. kernel and 64 for 64-bit kernels; the minimum value which makes
  1463. sense is 2.
  1464. This is purely to save memory - each supported CPU adds
  1465. approximately eight kilobytes to the kernel image.
  1466. #
  1467. # Timer Interrupt Frequency Configuration
  1468. #
  1469. choice
  1470. prompt "Timer frequency"
  1471. default HZ_250
  1472. help
  1473. Allows the configuration of the timer frequency.
  1474. config HZ_48
  1475. bool "48 HZ" if SYS_SUPPORTS_48HZ
  1476. config HZ_100
  1477. bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
  1478. config HZ_128
  1479. bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
  1480. config HZ_250
  1481. bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
  1482. config HZ_256
  1483. bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
  1484. config HZ_1000
  1485. bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
  1486. config HZ_1024
  1487. bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
  1488. endchoice
  1489. config SYS_SUPPORTS_48HZ
  1490. bool
  1491. config SYS_SUPPORTS_100HZ
  1492. bool
  1493. config SYS_SUPPORTS_128HZ
  1494. bool
  1495. config SYS_SUPPORTS_250HZ
  1496. bool
  1497. config SYS_SUPPORTS_256HZ
  1498. bool
  1499. config SYS_SUPPORTS_1000HZ
  1500. bool
  1501. config SYS_SUPPORTS_1024HZ
  1502. bool
  1503. config SYS_SUPPORTS_ARBIT_HZ
  1504. bool
  1505. default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
  1506. !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
  1507. !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
  1508. !SYS_SUPPORTS_1024HZ
  1509. config HZ
  1510. int
  1511. default 48 if HZ_48
  1512. default 100 if HZ_100
  1513. default 128 if HZ_128
  1514. default 250 if HZ_250
  1515. default 256 if HZ_256
  1516. default 1000 if HZ_1000
  1517. default 1024 if HZ_1024
  1518. source "kernel/Kconfig.preempt"
  1519. config RTC_DS1742
  1520. bool "DS1742 BRAM/RTC support"
  1521. depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
  1522. config MIPS_INSANE_LARGE
  1523. bool "Support for large 64-bit configurations"
  1524. depends on CPU_R10000 && 64BIT
  1525. help
  1526. MIPS R10000 does support a 44 bit / 16TB address space as opposed to
  1527. previous 64-bit processors which only supported 40 bit / 1TB. If you
  1528. need processes of more than 1TB virtual address space, say Y here.
  1529. This will result in additional memory usage, so it is not
  1530. recommended for normal users.
  1531. endmenu
  1532. config RWSEM_GENERIC_SPINLOCK
  1533. bool
  1534. default y
  1535. config LOCKDEP_SUPPORT
  1536. bool
  1537. default y
  1538. config STACKTRACE_SUPPORT
  1539. bool
  1540. default y
  1541. source "init/Kconfig"
  1542. menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
  1543. config HW_HAS_EISA
  1544. bool
  1545. config HW_HAS_PCI
  1546. bool
  1547. config PCI
  1548. bool "Support for PCI controller"
  1549. depends on HW_HAS_PCI
  1550. help
  1551. Find out whether you have a PCI motherboard. PCI is the name of a
  1552. bus system, i.e. the way the CPU talks to the other stuff inside
  1553. your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
  1554. say Y, otherwise N.
  1555. The PCI-HOWTO, available from
  1556. <http://www.tldp.org/docs.html#howto>, contains valuable
  1557. information about which PCI hardware does work under Linux and which
  1558. doesn't.
  1559. config PCI_DOMAINS
  1560. bool
  1561. depends on PCI
  1562. source "drivers/pci/Kconfig"
  1563. #
  1564. # ISA support is now enabled via select. Too many systems still have the one
  1565. # or other ISA chip on the board that users don't know about so don't expect
  1566. # users to choose the right thing ...
  1567. #
  1568. config ISA
  1569. bool
  1570. config NO_ISA
  1571. bool
  1572. config EISA
  1573. bool "EISA support"
  1574. depends on HW_HAS_EISA
  1575. select ISA
  1576. ---help---
  1577. The Extended Industry Standard Architecture (EISA) bus was
  1578. developed as an open alternative to the IBM MicroChannel bus.
  1579. The EISA bus provided some of the features of the IBM MicroChannel
  1580. bus while maintaining backward compatibility with cards made for
  1581. the older ISA bus. The EISA bus saw limited use between 1988 and
  1582. 1995 when it was made obsolete by the PCI bus.
  1583. Say Y here if you are building a kernel for an EISA-based machine.
  1584. Otherwise, say N.
  1585. source "drivers/eisa/Kconfig"
  1586. config TC
  1587. bool "TURBOchannel support"
  1588. depends on MACH_DECSTATION
  1589. help
  1590. TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
  1591. processors. Documentation on writing device drivers for TurboChannel
  1592. is available at:
  1593. <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
  1594. #config ACCESSBUS
  1595. # bool "Access.Bus support"
  1596. # depends on TC
  1597. config MMU
  1598. bool
  1599. default y
  1600. config I8253
  1601. bool
  1602. source "drivers/pcmcia/Kconfig"
  1603. source "drivers/pci/hotplug/Kconfig"
  1604. endmenu
  1605. menu "Executable file formats"
  1606. source "fs/Kconfig.binfmt"
  1607. config TRAD_SIGNALS
  1608. bool
  1609. config BUILD_ELF64
  1610. bool "Use 64-bit ELF format for building"
  1611. depends on 64BIT
  1612. help
  1613. A 64-bit kernel is usually built using the 64-bit ELF binary object
  1614. format as it's one that allows arbitrary 64-bit constructs. For
  1615. kernels that are loaded within the KSEG compatibility segments the
  1616. 32-bit ELF format can optionally be used resulting in a somewhat
  1617. smaller binary, but this option is not explicitly supported by the
  1618. toolchain and since binutils 2.14 it does not even work at all.
  1619. Say Y to use the 64-bit format or N to use the 32-bit one.
  1620. If unsure say Y.
  1621. config BINFMT_IRIX
  1622. bool "Include IRIX binary compatibility"
  1623. depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
  1624. config MIPS32_COMPAT
  1625. bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
  1626. depends on 64BIT
  1627. help
  1628. Select this option if you want Linux/MIPS 32-bit binary
  1629. compatibility. Since all software available for Linux/MIPS is
  1630. currently 32-bit you should say Y here.
  1631. config COMPAT
  1632. bool
  1633. depends on MIPS32_COMPAT
  1634. default y
  1635. config MIPS32_O32
  1636. bool "Kernel support for o32 binaries"
  1637. depends on MIPS32_COMPAT
  1638. help
  1639. Select this option if you want to run o32 binaries. These are pure
  1640. 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
  1641. existing binaries are in this format.
  1642. If unsure, say Y.
  1643. config MIPS32_N32
  1644. bool "Kernel support for n32 binaries"
  1645. depends on MIPS32_COMPAT
  1646. help
  1647. Select this option if you want to run n32 binaries. These are
  1648. 64-bit binaries using 32-bit quantities for addressing and certain
  1649. data that would normally be 64-bit. They are used in special
  1650. cases.
  1651. If unsure, say N.
  1652. config BINFMT_ELF32
  1653. bool
  1654. default y if MIPS32_O32 || MIPS32_N32
  1655. config SECCOMP
  1656. bool "Enable seccomp to safely compute untrusted bytecode"
  1657. depends on PROC_FS && BROKEN
  1658. default y
  1659. help
  1660. This kernel feature is useful for number crunching applications
  1661. that may need to compute untrusted bytecode during their
  1662. execution. By using pipes or other transports made available to
  1663. the process as file descriptors supporting the read/write
  1664. syscalls, it's possible to isolate those applications in
  1665. their own address space using seccomp. Once seccomp is
  1666. enabled via /proc/<pid>/seccomp, it cannot be disabled
  1667. and the task is only allowed to execute a few safe syscalls
  1668. defined by each seccomp mode.
  1669. If unsure, say Y. Only embedded should say N here.
  1670. config PM
  1671. bool "Power Management support (EXPERIMENTAL)"
  1672. depends on EXPERIMENTAL && SOC_AU1X00
  1673. config APM
  1674. tristate "Advanced Power Management Emulation"
  1675. depends on PM
  1676. ---help---
  1677. APM is a BIOS specification for saving power using several different
  1678. techniques. This is mostly useful for battery powered systems with
  1679. APM compliant BIOSes. If you say Y here, the system time will be
  1680. reset after a RESUME operation, the /proc/apm device will provide
  1681. battery status information, and user-space programs will receive
  1682. notification of APM "events" (e.g. battery status change).
  1683. In order to use APM, you will need supporting software. For location
  1684. and more information, read <file:Documentation/pm.txt> and the
  1685. Battery Powered Linux mini-HOWTO, available from
  1686. <http://www.tldp.org/docs.html#howto>.
  1687. This driver does not spin down disk drives (see the hdparm(8)
  1688. manpage ("man 8 hdparm") for that), and it doesn't turn off
  1689. VESA-compliant "green" monitors.
  1690. Generally, if you don't have a battery in your machine, there isn't
  1691. much point in using this driver and you should say N. If you get
  1692. random kernel OOPSes or reboots that don't seem to be related to
  1693. anything, try disabling/enabling this option (or disabling/enabling
  1694. APM in your BIOS).
  1695. endmenu
  1696. source "net/Kconfig"
  1697. source "drivers/Kconfig"
  1698. source "fs/Kconfig"
  1699. source "arch/mips/oprofile/Kconfig"
  1700. source "arch/mips/Kconfig.debug"
  1701. source "security/Kconfig"
  1702. source "crypto/Kconfig"
  1703. source "lib/Kconfig"