Kconfig 22 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. mainmenu "Linux/SuperH Kernel Configuration"
  6. config SUPERH
  7. bool
  8. default y
  9. help
  10. The SuperH is a RISC processor targeted for use in embedded systems
  11. and consumer electronics; it was also used in the Sega Dreamcast
  12. gaming console. The SuperH port has a home page at
  13. <http://www.linux-sh.org/>.
  14. config UID16
  15. bool
  16. default y
  17. config RWSEM_GENERIC_SPINLOCK
  18. bool
  19. default y
  20. config RWSEM_XCHGADD_ALGORITHM
  21. bool
  22. config GENERIC_HARDIRQS
  23. bool
  24. default y
  25. config GENERIC_IRQ_PROBE
  26. bool
  27. default y
  28. config GENERIC_CALIBRATE_DELAY
  29. bool
  30. default y
  31. source "init/Kconfig"
  32. menu "System type"
  33. choice
  34. prompt "SuperH system type"
  35. default SH_UNKNOWN
  36. config SH_SOLUTION_ENGINE
  37. bool "SolutionEngine"
  38. help
  39. Select SolutionEngine if configuring for a Hitachi SH7709
  40. or SH7750 evaluation board.
  41. config SH_7751_SOLUTION_ENGINE
  42. bool "SolutionEngine7751"
  43. help
  44. Select 7751 SolutionEngine if configuring for a Hitachi SH7751
  45. evaluation board.
  46. config SH_7300_SOLUTION_ENGINE
  47. bool "SolutionEngine7300"
  48. help
  49. Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V)
  50. evaluation board.
  51. config SH_73180_SOLUTION_ENGINE
  52. bool "SolutionEngine73180"
  53. help
  54. Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3)
  55. evaluation board.
  56. config SH_7751_SYSTEMH
  57. bool "SystemH7751R"
  58. help
  59. Select SystemH if you are configuring for a Renesas SystemH
  60. 7751R evaluation board.
  61. config SH_STB1_HARP
  62. bool "STB1_Harp"
  63. config SH_STB1_OVERDRIVE
  64. bool "STB1_Overdrive"
  65. config SH_HP620
  66. bool "HP620"
  67. help
  68. Select HP620 if configuring for a HP jornada HP620.
  69. More information (hardware only) at
  70. <http://www.hp.com/jornada/>.
  71. config SH_HP680
  72. bool "HP680"
  73. help
  74. Select HP680 if configuring for a HP Jornada HP680.
  75. More information (hardware only) at
  76. <http://www.hp.com/jornada/products/680/>.
  77. config SH_HP690
  78. bool "HP690"
  79. help
  80. Select HP690 if configuring for a HP Jornada HP690.
  81. More information (hardware only)
  82. at <http://www.hp.com/jornada/products/680/>.
  83. config SH_CQREEK
  84. bool "CqREEK"
  85. help
  86. Select CqREEK if configuring for a CqREEK SH7708 or SH7750.
  87. More information at
  88. <http://sources.redhat.com/ecos/hardware.html#SuperH>.
  89. config SH_DMIDA
  90. bool "DMIDA"
  91. help
  92. Select DMIDA if configuring for a DataMyte 4000 Industrial
  93. Digital Assistant. More information at <http://www.dmida.com/>.
  94. config SH_EC3104
  95. bool "EC3104"
  96. help
  97. Select EC3104 if configuring for a system with an Eclipse
  98. International EC3104 chip, e.g. the Harris AD2000.
  99. config SH_SATURN
  100. bool "Saturn"
  101. help
  102. Select Saturn if configuring for a SEGA Saturn.
  103. config SH_DREAMCAST
  104. bool "Dreamcast"
  105. help
  106. Select Dreamcast if configuring for a SEGA Dreamcast.
  107. More information at
  108. <http://www.m17n.org/linux-sh/dreamcast/>. There is a
  109. Dreamcast project is at <http://linuxdc.sourceforge.net/>.
  110. config SH_CAT68701
  111. bool "CAT68701"
  112. config SH_BIGSUR
  113. bool "BigSur"
  114. config SH_SH2000
  115. bool "SH2000"
  116. help
  117. SH-2000 is a single-board computer based around SH7709A chip
  118. intended for embedded applications.
  119. It has an Ethernet interface (CS8900A), direct connected
  120. Compact Flash socket, three serial ports and PC-104 bus.
  121. More information at <http://sh2000.sh-linux.org>.
  122. config SH_ADX
  123. bool "ADX"
  124. config SH_MPC1211
  125. bool "MPC1211"
  126. config SH_SH03
  127. bool "SH03"
  128. help
  129. CTP/PCI-SH03 is a CPU module computer that produced
  130. by Interface Corporation.
  131. It is compact and excellent in durability.
  132. It will play an active part in your factory or laboratory
  133. as a FA computer.
  134. More information at <http://www.interface.co.jp>
  135. config SH_SECUREEDGE5410
  136. bool "SecureEdge5410"
  137. help
  138. Select SecureEdge5410 if configuring for a SnapGear SH board.
  139. This includes both the OEM SecureEdge products as well as the
  140. SME product line.
  141. config SH_HS7751RVOIP
  142. bool "HS7751RVOIP"
  143. help
  144. Select HS7751RVOIP if configuring for a Renesas Technology
  145. Sales VoIP board.
  146. config SH_RTS7751R2D
  147. bool "RTS7751R2D"
  148. help
  149. Select RTS7751R2D if configuring for a Renesas Technology
  150. Sales SH-Graphics board.
  151. config SH_EDOSK7705
  152. bool "EDOSK7705"
  153. config SH_SH4202_MICRODEV
  154. bool "SH4-202 MicroDev"
  155. help
  156. Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
  157. with an SH4-202 CPU.
  158. config SH_UNKNOWN
  159. bool "BareCPU"
  160. help
  161. "Bare CPU" aka "unknown" means an SH-based system which is not one
  162. of the specific ones mentioned above, which means you need to enter
  163. all sorts of stuff like CONFIG_MEMORY_START because the config
  164. system doesn't already know what it is. You get a machine vector
  165. without any platform-specific code in it, so things like the RTC may
  166. not work.
  167. This option is for the early stages of porting to a new machine.
  168. endchoice
  169. choice
  170. prompt "Processor family"
  171. default CPU_SH4
  172. help
  173. This option determines the CPU family to compile for. Supported
  174. targets are SH-2, SH-3, and SH-4. These options are independent of
  175. CPU functionality. As such, SH-DSP users will still want to select
  176. their respective processor family in addition to the DSP support
  177. option.
  178. config CPU_SH2
  179. bool "SH-2"
  180. select SH_WRITETHROUGH
  181. config CPU_SH3
  182. bool "SH-3"
  183. config CPU_SH4
  184. bool "SH-4"
  185. endchoice
  186. choice
  187. prompt "Processor subtype"
  188. config CPU_SUBTYPE_SH7604
  189. bool "SH7604"
  190. depends on CPU_SH2
  191. help
  192. Select SH7604 if you have SH7604
  193. config CPU_SUBTYPE_SH7300
  194. bool "SH7300"
  195. depends on CPU_SH3
  196. config CPU_SUBTYPE_SH7705
  197. bool "SH7705"
  198. depends on CPU_SH3
  199. config CPU_SUBTYPE_SH7707
  200. bool "SH7707"
  201. depends on CPU_SH3
  202. help
  203. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  204. config CPU_SUBTYPE_SH7708
  205. bool "SH7708"
  206. depends on CPU_SH3
  207. help
  208. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  209. if you have a 100 Mhz SH-3 HD6417708R CPU.
  210. config CPU_SUBTYPE_SH7709
  211. bool "SH7709"
  212. depends on CPU_SH3
  213. help
  214. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  215. config CPU_SUBTYPE_SH7750
  216. bool "SH7750"
  217. depends on CPU_SH4
  218. help
  219. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  220. config CPU_SUBTYPE_SH7751
  221. bool "SH7751/SH7751R"
  222. depends on CPU_SH4
  223. help
  224. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  225. or if you have a HD6417751R CPU.
  226. config CPU_SUBTYPE_SH7760
  227. bool "SH7760"
  228. depends on CPU_SH4
  229. config CPU_SUBTYPE_SH73180
  230. bool "SH73180"
  231. depends on CPU_SH4
  232. config CPU_SUBTYPE_ST40STB1
  233. bool "ST40STB1 / ST40RA"
  234. depends on CPU_SH4
  235. help
  236. Select ST40STB1 if you have a ST40RA CPU.
  237. This was previously called the ST40STB1, hence the option name.
  238. config CPU_SUBTYPE_ST40GX1
  239. bool "ST40GX1"
  240. depends on CPU_SH4
  241. help
  242. Select ST40GX1 if you have a ST40GX1 CPU.
  243. config CPU_SUBTYPE_SH4_202
  244. bool "SH4-202"
  245. depends on CPU_SH4
  246. endchoice
  247. config SH7705_CACHE_32KB
  248. bool "Enable 32KB cache size for SH7705"
  249. depends on CPU_SUBTYPE_SH7705
  250. default y
  251. config MMU
  252. bool "Support for memory management hardware"
  253. depends on !CPU_SH2
  254. default y
  255. help
  256. Early SH processors (such as the SH7604) lack an MMU. In order to
  257. boot on these systems, this option must not be set.
  258. On other systems (such as the SH-3 and 4) where an MMU exists,
  259. turning this off will boot the kernel on these machines with the
  260. MMU implicitly switched off.
  261. choice
  262. prompt "HugeTLB page size"
  263. depends on HUGETLB_PAGE && CPU_SH4 && MMU
  264. default HUGETLB_PAGE_SIZE_64K
  265. config HUGETLB_PAGE_SIZE_64K
  266. bool "64K"
  267. config HUGETLB_PAGE_SIZE_1MB
  268. bool "1MB"
  269. endchoice
  270. config CMDLINE_BOOL
  271. bool "Default bootloader kernel arguments"
  272. config CMDLINE
  273. string "Initial kernel command string"
  274. depends on CMDLINE_BOOL
  275. default "console=ttySC1,115200"
  276. # Platform-specific memory start and size definitions
  277. config MEMORY_START
  278. hex "Physical memory start address" if !MEMORY_SET || MEMORY_OVERRIDE
  279. default "0x08000000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || SH_MPC1211 || SH_SH03 || SH_SECUREEDGE5410 || SH_SH4202_MICRODEV
  280. default "0x0c000000" if !MEMORY_OVERRIDE && (SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_73180_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_EDOSK7705)
  281. ---help---
  282. Computers built with Hitachi SuperH processors always
  283. map the ROM starting at address zero. But the processor
  284. does not specify the range that RAM takes.
  285. The physical memory (RAM) start address will be automatically
  286. set to 08000000, unless you selected one of the following
  287. processor types: SolutionEngine, Overdrive, HP620, HP680, HP690,
  288. in which case the start address will be set to 0c000000.
  289. Tweak this only when porting to a new machine which is not already
  290. known by the config system. Changing it from the known correct
  291. value on any of the known systems will only lead to disaster.
  292. config MEMORY_SIZE
  293. hex "Physical memory size" if !MEMORY_SET || MEMORY_OVERRIDE
  294. default "0x00400000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || !MEMORY_OVERRIDE && (SH_HP600 || SH_BIGSUR || SH_SH2000)
  295. default "0x01000000" if !MEMORY_OVERRIDE && SH_DREAMCAST || SH_SECUREEDGE5410 || SH_EDOSK7705
  296. default "0x02000000" if !MEMORY_OVERRIDE && (SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE)
  297. default "0x04000000" if !MEMORY_OVERRIDE && (SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV)
  298. default "0x08000000" if SH_MPC1211 || SH_SH03
  299. help
  300. This sets the default memory size assumed by your SH kernel. It can
  301. be overridden as normal by the 'mem=' argument on the kernel command
  302. line. If unsure, consult your board specifications or just leave it
  303. as 0x00400000 which was the default value before this became
  304. configurable.
  305. config MEMORY_SET
  306. bool
  307. depends on !MEMORY_OVERRIDE && (SH_MPC1211 || SH_SH03 || SH_ADX || SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_SECUREEDGE5410 || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_EDOSK7705)
  308. default y
  309. help
  310. This is an option about which you will never be asked a question.
  311. Therefore, I conclude that you do not exist - go away.
  312. There is a grue here.
  313. # If none of the above have set memory start/size, ask the user.
  314. config MEMORY_OVERRIDE
  315. bool "Override default load address and memory size"
  316. # XXX: break these out into the board-specific configs below
  317. config CF_ENABLER
  318. bool "Compact Flash Enabler support"
  319. depends on SH_ADX || SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_CAT68701 || SH_SH03
  320. ---help---
  321. Compact Flash is a small, removable mass storage device introduced
  322. in 1994 originally as a PCMCIA device. If you say `Y' here, you
  323. compile in support for Compact Flash devices directly connected to
  324. a SuperH processor. A Compact Flash FAQ is available at
  325. <http://www.compactflash.org/faqs/faq.htm>.
  326. If your board has "Directly Connected" CompactFlash at area 5 or 6,
  327. you may want to enable this option. Then, you can use CF as
  328. primary IDE drive (only tested for SanDisk).
  329. If in doubt, select 'N'.
  330. choice
  331. prompt "Compact Flash Connection Area"
  332. depends on CF_ENABLER
  333. default CF_AREA6
  334. config CF_AREA5
  335. bool "Area5"
  336. help
  337. If your board has "Directly Connected" CompactFlash, You should
  338. select the area where your CF is connected to.
  339. - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
  340. - "Area6" if it is connected to Area 6 (0x18000000)
  341. "Area6" will work for most boards. For ADX, select "Area5".
  342. config CF_AREA6
  343. bool "Area6"
  344. endchoice
  345. config CF_BASE_ADDR
  346. hex
  347. depends on CF_ENABLER
  348. default "0xb8000000" if CF_AREA6
  349. default "0xb4000000" if CF_AREA5
  350. # The SH7750 RTC module is disabled in the Dreamcast
  351. config SH_RTC
  352. bool
  353. depends on !SH_DREAMCAST && !SH_SATURN && !SH_7300_SOLUTION_ENGINE && !SH_73180_SOLUTION_ENGINE
  354. default y
  355. help
  356. Selecting this option will allow the Linux kernel to emulate
  357. PC's RTC.
  358. If unsure, say N.
  359. config SH_FPU
  360. bool "FPU support"
  361. depends on !CPU_SH3
  362. default y
  363. help
  364. Selecting this option will enable support for SH processors that
  365. have FPU units (ie, SH77xx).
  366. This option must be set in order to enable the FPU.
  367. config SH_DSP
  368. bool "DSP support"
  369. depends on !CPU_SH4
  370. default y
  371. help
  372. Selecting this option will enable support for SH processors that
  373. have DSP units (ie, SH2-DSP and SH3-DSP). It is safe to say Y here
  374. by default, as the existance of the DSP will be probed at runtime.
  375. This option must be set in order to enable the DSP.
  376. config SH_ADC
  377. bool "ADC support"
  378. depends on CPU_SH3
  379. default y
  380. help
  381. Selecting this option will allow the Linux kernel to use SH3 on-chip
  382. ADC module.
  383. If unsure, say N.
  384. config SH_HP600
  385. bool
  386. depends on SH_HP620 || SH_HP680 || SH_HP690
  387. default y
  388. config CPU_SUBTYPE_ST40
  389. bool
  390. depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1
  391. default y
  392. config ARCH_DISCONTIGMEM_ENABLE
  393. bool
  394. depends on SH_HP690
  395. default y
  396. help
  397. Say Y to upport efficient handling of discontiguous physical memory,
  398. for architectures which are either NUMA (Non-Uniform Memory Access)
  399. or have huge holes in the physical address space for other reasons.
  400. See <file:Documentation/vm/numa> for more.
  401. source "mm/Kconfig"
  402. config ZERO_PAGE_OFFSET
  403. hex "Zero page offset"
  404. default "0x00001000" if !(SH_MPC1211 || SH_SH03)
  405. default "0x00004000" if SH_MPC1211 || SH_SH03
  406. help
  407. This sets the default offset of zero page.
  408. # XXX: needs to lose subtype for system type
  409. config ST40_LMI_MEMORY
  410. bool "Memory on LMI"
  411. depends on CPU_SUBTYPE_ST40STB1
  412. config MEMORY_START
  413. hex
  414. depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
  415. default "0x08000000"
  416. config MEMORY_SIZE
  417. hex
  418. depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
  419. default "0x00400000"
  420. config MEMORY_SET
  421. bool
  422. depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
  423. default y
  424. config BOOT_LINK_OFFSET
  425. hex "Link address offset for booting"
  426. default "0x00800000"
  427. help
  428. This option allows you to set the link address offset of the zImage.
  429. This can be useful if you are on a board which has a small amount of
  430. memory.
  431. config CPU_LITTLE_ENDIAN
  432. bool "Little Endian"
  433. help
  434. Some SuperH machines can be configured for either little or big
  435. endian byte order. These modes require different kernels. Say Y if
  436. your machine is little endian, N if it's a big endian machine.
  437. config PREEMPT
  438. bool "Preemptible Kernel (EXPERIMENTAL)"
  439. depends on EXPERIMENTAL
  440. config UBC_WAKEUP
  441. bool "Wakeup UBC on startup"
  442. help
  443. Selecting this option will wakeup the User Break Controller (UBC) on
  444. startup. Although the UBC is left in an awake state when the processor
  445. comes up, some boot loaders misbehave by putting the UBC to sleep in a
  446. power saving state, which causes issues with things like ptrace().
  447. If unsure, say N.
  448. config SH_WRITETHROUGH
  449. bool "Use write-through caching"
  450. default y if CPU_SH2
  451. help
  452. Selecting this option will configure the caches in write-through
  453. mode, as opposed to the default write-back configuration.
  454. Since there's sill some aliasing issues on SH-4, this option will
  455. unfortunately still require the majority of flushing functions to
  456. be implemented to deal with aliasing.
  457. If unsure, say N.
  458. config SH_OCRAM
  459. bool "Operand Cache RAM (OCRAM) support"
  460. help
  461. Selecting this option will automatically tear down the number of
  462. sets in the dcache by half, which in turn exposes a memory range.
  463. The addresses for the OC RAM base will vary according to the
  464. processor version. Consult vendor documentation for specifics.
  465. If unsure, say N.
  466. config SH_STORE_QUEUES
  467. bool "Support for Store Queues"
  468. depends on CPU_SH4
  469. help
  470. Selecting this option will enable an in-kernel API for manipulating
  471. the store queues integrated in the SH-4 processors.
  472. config SMP
  473. bool "Symmetric multi-processing support"
  474. ---help---
  475. This enables support for systems with more than one CPU. If you have
  476. a system with only one CPU, like most personal computers, say N. If
  477. you have a system with more than one CPU, say Y.
  478. If you say N here, the kernel will run on single and multiprocessor
  479. machines, but will use only one CPU of a multiprocessor machine. If
  480. you say Y here, the kernel will run on many, but not all,
  481. singleprocessor machines. On a singleprocessor machine, the kernel
  482. will run faster if you say N here.
  483. People using multiprocessor machines who say Y here should also say
  484. Y to "Enhanced Real Time Clock Support", below.
  485. See also the <file:Documentation/smp.txt>,
  486. <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
  487. at <http://www.tldp.org/docs.html#howto>.
  488. If you don't know what to do here, say N.
  489. config NR_CPUS
  490. int "Maximum number of CPUs (2-32)"
  491. range 2 32
  492. depends on SMP
  493. default "2"
  494. help
  495. This allows you to specify the maximum number of CPUs which this
  496. kernel will support. The maximum supported value is 32 and the
  497. minimum value which makes sense is 2.
  498. This is purely to save memory - each supported CPU adds
  499. approximately eight kilobytes to the kernel image.
  500. config HS7751RVOIP_CODEC
  501. bool "Support VoIP Codec section"
  502. depends on SH_HS7751RVOIP
  503. help
  504. Selecting this option will support CODEC section.
  505. config RTS7751R2D_REV11
  506. bool "RTS7751R2D Rev. 1.1 board support"
  507. depends on SH_RTS7751R2D
  508. help
  509. Selecting this option will support version rev. 1.1.
  510. config SH_PCLK_CALC
  511. bool
  512. default n if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH73180
  513. default y
  514. help
  515. This option will cause the PCLK value to be probed at run-time. It
  516. will display a notification if the probed value has greater than a
  517. 1% variance of the hardcoded CONFIG_SH_PCLK_FREQ.
  518. config SH_PCLK_FREQ
  519. int "Peripheral clock frequency (in Hz)"
  520. default "50000000" if CPU_SUBTYPE_SH7750
  521. default "60000000" if CPU_SUBTYPE_SH7751
  522. default "33333333" if CPU_SUBTYPE_SH7300
  523. default "27000000" if CPU_SUBTYPE_SH73180
  524. default "66000000" if CPU_SUBTYPE_SH4_202
  525. default "1193182"
  526. help
  527. This option is used to specify the peripheral clock frequency. This
  528. option must be set for each processor in order for the kernel to
  529. function reliably. If no sane default exists, we use a default from
  530. the legacy i8254. Any discrepancies will be reported on boot time
  531. with an auto-probed frequency which should be considered the proper
  532. value for your hardware.
  533. menu "CPU Frequency scaling"
  534. source "drivers/cpufreq/Kconfig"
  535. config SH_CPU_FREQ
  536. tristate "SuperH CPU Frequency driver"
  537. depends on CPU_FREQ
  538. select CPU_FREQ_TABLE
  539. help
  540. This adds the cpufreq driver for SuperH. At present, only
  541. the SH-4 is supported.
  542. For details, take a look at <file:Documentation/cpu-freq>.
  543. If unsure, say N.
  544. endmenu
  545. source "arch/sh/drivers/dma/Kconfig"
  546. source "arch/sh/cchips/Kconfig"
  547. config HEARTBEAT
  548. bool "Heartbeat LED"
  549. depends on SH_MPC1211 || SH_SH03 || SH_CAT68701 || SH_STB1_HARP || SH_STB1_OVERDRIVE || SH_BIGSUR || SH_7751_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_RTS7751R2D || SH_SH4202_MICRODEV
  550. help
  551. Use the power-on LED on your machine as a load meter. The exact
  552. behavior is platform-dependent, but normally the flash frequency is
  553. a hyperbolic function of the 5-minute load average.
  554. config RTC_9701JE
  555. tristate "EPSON RTC-9701JE support"
  556. depends on SH_RTS7751R2D
  557. help
  558. Selecting this option will support EPSON RTC-9701JE.
  559. endmenu
  560. config ISA_DMA_API
  561. bool
  562. depends on MPC1211
  563. default y
  564. menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
  565. # Even on SuperH devices which don't have an ISA bus,
  566. # this variable helps the PCMCIA modules handle
  567. # IRQ requesting properly -- Greg Banks.
  568. #
  569. # Though we're generally not interested in it when
  570. # we're not using PCMCIA, so we make it dependent on
  571. # PCMCIA outright. -- PFM.
  572. config ISA
  573. bool
  574. default y if PCMCIA || SMC91X
  575. help
  576. Find out whether you have ISA slots on your motherboard. ISA is the
  577. name of a bus system, i.e. the way the CPU talks to the other stuff
  578. inside your box. Other bus systems are PCI, EISA, MicroChannel
  579. (MCA) or VESA. ISA is an older system, now being displaced by PCI;
  580. newer boards don't support it. If you have ISA, say Y, otherwise N.
  581. config EISA
  582. bool
  583. ---help---
  584. The Extended Industry Standard Architecture (EISA) bus was
  585. developed as an open alternative to the IBM MicroChannel bus.
  586. The EISA bus provided some of the features of the IBM MicroChannel
  587. bus while maintaining backward compatibility with cards made for
  588. the older ISA bus. The EISA bus saw limited use between 1988 and
  589. 1995 when it was made obsolete by the PCI bus.
  590. Say Y here if you are building a kernel for an EISA-based machine.
  591. Otherwise, say N.
  592. config MCA
  593. bool
  594. help
  595. MicroChannel Architecture is found in some IBM PS/2 machines and
  596. laptops. It is a bus system similar to PCI or ISA. See
  597. <file:Documentation/mca.txt> (and especially the web page given
  598. there) before attempting to build an MCA bus kernel.
  599. config SBUS
  600. bool
  601. config MAPLE
  602. tristate "Maple Bus support"
  603. depends on SH_DREAMCAST
  604. default y
  605. source "arch/sh/drivers/pci/Kconfig"
  606. source "drivers/pci/Kconfig"
  607. source "drivers/pcmcia/Kconfig"
  608. source "drivers/pci/hotplug/Kconfig"
  609. endmenu
  610. menu "Executable file formats"
  611. source "fs/Kconfig.binfmt"
  612. endmenu
  613. menu "SH initrd options"
  614. depends on BLK_DEV_INITRD
  615. config EMBEDDED_RAMDISK
  616. bool "Embed root filesystem ramdisk into the kernel"
  617. config EMBEDDED_RAMDISK_IMAGE
  618. string "Filename of gziped ramdisk image"
  619. depends on EMBEDDED_RAMDISK
  620. default "ramdisk.gz"
  621. help
  622. This is the filename of the ramdisk image to be built into the
  623. kernel. Relative pathnames are relative to arch/sh/ramdisk/.
  624. The ramdisk image is not part of the kernel distribution; you must
  625. provide one yourself.
  626. endmenu
  627. source "net/Kconfig"
  628. source "drivers/Kconfig"
  629. source "fs/Kconfig"
  630. source "arch/sh/oprofile/Kconfig"
  631. source "arch/sh/Kconfig.debug"
  632. source "security/Kconfig"
  633. source "crypto/Kconfig"
  634. source "lib/Kconfig"