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