Kconfig 19 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. def_bool y
  8. select EMBEDDED
  9. select HAVE_CLK
  10. select HAVE_IDE
  11. select HAVE_LMB
  12. select HAVE_OPROFILE
  13. select HAVE_GENERIC_DMA_COHERENT
  14. select HAVE_ARCH_TRACEHOOK
  15. select HAVE_DMA_API_DEBUG
  16. select HAVE_DMA_ATTRS
  17. select HAVE_PERF_EVENTS
  18. select PERF_USE_VMALLOC
  19. select HAVE_KERNEL_GZIP
  20. select HAVE_KERNEL_BZIP2
  21. select HAVE_KERNEL_LZMA
  22. select HAVE_KERNEL_LZO
  23. select HAVE_SYSCALL_TRACEPOINTS
  24. select RTC_LIB
  25. select GENERIC_ATOMIC64
  26. help
  27. The SuperH is a RISC processor targeted for use in embedded systems
  28. and consumer electronics; it was also used in the Sega Dreamcast
  29. gaming console. The SuperH port has a home page at
  30. <http://www.linux-sh.org/>.
  31. config SUPERH32
  32. def_bool ARCH = "sh"
  33. select HAVE_KPROBES
  34. select HAVE_KRETPROBES
  35. select HAVE_IOREMAP_PROT if MMU && !X2TLB
  36. select HAVE_FUNCTION_TRACER
  37. select HAVE_FTRACE_MCOUNT_RECORD
  38. select HAVE_DYNAMIC_FTRACE
  39. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  40. select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
  41. select HAVE_FUNCTION_GRAPH_TRACER
  42. select HAVE_ARCH_KGDB
  43. select HAVE_HW_BREAKPOINT
  44. select HAVE_MIXED_BREAKPOINTS_REGS
  45. select PERF_EVENTS if HAVE_HW_BREAKPOINT
  46. select ARCH_HIBERNATION_POSSIBLE if MMU
  47. config SUPERH64
  48. def_bool ARCH = "sh64"
  49. config ARCH_DEFCONFIG
  50. string
  51. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  52. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  53. config RWSEM_GENERIC_SPINLOCK
  54. def_bool y
  55. config RWSEM_XCHGADD_ALGORITHM
  56. bool
  57. config GENERIC_BUG
  58. def_bool y
  59. depends on BUG && SUPERH32
  60. config GENERIC_CSUM
  61. def_bool y
  62. depends on SUPERH64
  63. config GENERIC_FIND_NEXT_BIT
  64. def_bool y
  65. config GENERIC_HWEIGHT
  66. def_bool y
  67. config GENERIC_HARDIRQS
  68. def_bool y
  69. config GENERIC_HARDIRQS_NO__DO_IRQ
  70. def_bool y
  71. config IRQ_PER_CPU
  72. def_bool y
  73. config SPARSE_IRQ
  74. def_bool y
  75. depends on SUPERH32
  76. config GENERIC_GPIO
  77. def_bool n
  78. config GENERIC_CALIBRATE_DELAY
  79. bool
  80. config GENERIC_IOMAP
  81. bool
  82. config GENERIC_TIME
  83. def_bool y
  84. config GENERIC_CLOCKEVENTS
  85. def_bool y
  86. config GENERIC_CLOCKEVENTS_BROADCAST
  87. bool
  88. config GENERIC_CMOS_UPDATE
  89. def_bool y
  90. depends on SH_SH03 || SH_DREAMCAST
  91. config GENERIC_LOCKBREAK
  92. def_bool y
  93. depends on SMP && PREEMPT
  94. config SYS_SUPPORTS_PM
  95. bool
  96. depends on !SMP
  97. config ARCH_SUSPEND_POSSIBLE
  98. def_bool n
  99. config ARCH_HIBERNATION_POSSIBLE
  100. def_bool n
  101. config SYS_SUPPORTS_APM_EMULATION
  102. bool
  103. select ARCH_SUSPEND_POSSIBLE
  104. config SYS_SUPPORTS_HUGETLBFS
  105. bool
  106. config SYS_SUPPORTS_SMP
  107. bool
  108. config SYS_SUPPORTS_NUMA
  109. bool
  110. config SYS_SUPPORTS_PCI
  111. bool
  112. config SYS_SUPPORTS_CMT
  113. bool
  114. config SYS_SUPPORTS_MTU2
  115. bool
  116. config SYS_SUPPORTS_TMU
  117. bool
  118. config STACKTRACE_SUPPORT
  119. def_bool y
  120. config LOCKDEP_SUPPORT
  121. def_bool y
  122. config HAVE_LATENCYTOP_SUPPORT
  123. def_bool y
  124. config ARCH_HAS_ILOG2_U32
  125. def_bool n
  126. config ARCH_HAS_ILOG2_U64
  127. def_bool n
  128. config ARCH_NO_VIRT_TO_BUS
  129. def_bool y
  130. config ARCH_HAS_DEFAULT_IDLE
  131. def_bool y
  132. config ARCH_HAS_CPU_IDLE_WAIT
  133. def_bool y
  134. config IO_TRAPPED
  135. bool
  136. config DMA_COHERENT
  137. bool
  138. config DMA_NONCOHERENT
  139. def_bool !DMA_COHERENT
  140. config NEED_DMA_MAP_STATE
  141. def_bool DMA_NONCOHERENT
  142. source "init/Kconfig"
  143. source "kernel/Kconfig.freezer"
  144. menu "System type"
  145. #
  146. # Processor families
  147. #
  148. config CPU_SH2
  149. bool
  150. config CPU_SH2A
  151. bool
  152. select CPU_SH2
  153. config CPU_SH3
  154. bool
  155. select CPU_HAS_INTEVT
  156. select CPU_HAS_SR_RB
  157. select SYS_SUPPORTS_TMU
  158. config CPU_SH4
  159. bool
  160. select CPU_HAS_INTEVT
  161. select CPU_HAS_SR_RB
  162. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  163. select SYS_SUPPORTS_TMU
  164. select SYS_SUPPORTS_HUGETLBFS if MMU
  165. config CPU_SH4A
  166. bool
  167. select CPU_SH4
  168. config CPU_SH4AL_DSP
  169. bool
  170. select CPU_SH4A
  171. select CPU_HAS_DSP
  172. config CPU_SH5
  173. bool
  174. select CPU_HAS_FPU
  175. select SYS_SUPPORTS_TMU
  176. select SYS_SUPPORTS_HUGETLBFS if MMU
  177. config CPU_SHX2
  178. bool
  179. config CPU_SHX3
  180. bool
  181. select DMA_COHERENT
  182. select SYS_SUPPORTS_SMP
  183. select SYS_SUPPORTS_NUMA
  184. config ARCH_SHMOBILE
  185. bool
  186. select ARCH_SUSPEND_POSSIBLE
  187. select PM
  188. select PM_RUNTIME
  189. if SUPERH32
  190. choice
  191. prompt "Processor sub-type selection"
  192. #
  193. # Processor subtypes
  194. #
  195. # SH-2 Processor Support
  196. config CPU_SUBTYPE_SH7619
  197. bool "Support SH7619 processor"
  198. select CPU_SH2
  199. select SYS_SUPPORTS_CMT
  200. # SH-2A Processor Support
  201. config CPU_SUBTYPE_SH7201
  202. bool "Support SH7201 processor"
  203. select CPU_SH2A
  204. select CPU_HAS_FPU
  205. select SYS_SUPPORTS_MTU2
  206. config CPU_SUBTYPE_SH7203
  207. bool "Support SH7203 processor"
  208. select CPU_SH2A
  209. select CPU_HAS_FPU
  210. select SYS_SUPPORTS_CMT
  211. select SYS_SUPPORTS_MTU2
  212. config CPU_SUBTYPE_SH7206
  213. bool "Support SH7206 processor"
  214. select CPU_SH2A
  215. select SYS_SUPPORTS_CMT
  216. select SYS_SUPPORTS_MTU2
  217. config CPU_SUBTYPE_SH7263
  218. bool "Support SH7263 processor"
  219. select CPU_SH2A
  220. select CPU_HAS_FPU
  221. select SYS_SUPPORTS_CMT
  222. select SYS_SUPPORTS_MTU2
  223. config CPU_SUBTYPE_MXG
  224. bool "Support MX-G processor"
  225. select CPU_SH2A
  226. select SYS_SUPPORTS_MTU2
  227. help
  228. Select MX-G if running on an R8A03022BG part.
  229. # SH-3 Processor Support
  230. config CPU_SUBTYPE_SH7705
  231. bool "Support SH7705 processor"
  232. select CPU_SH3
  233. config CPU_SUBTYPE_SH7706
  234. bool "Support SH7706 processor"
  235. select CPU_SH3
  236. help
  237. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  238. config CPU_SUBTYPE_SH7707
  239. bool "Support SH7707 processor"
  240. select CPU_SH3
  241. help
  242. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  243. config CPU_SUBTYPE_SH7708
  244. bool "Support SH7708 processor"
  245. select CPU_SH3
  246. help
  247. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  248. if you have a 100 Mhz SH-3 HD6417708R CPU.
  249. config CPU_SUBTYPE_SH7709
  250. bool "Support SH7709 processor"
  251. select CPU_SH3
  252. help
  253. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  254. config CPU_SUBTYPE_SH7710
  255. bool "Support SH7710 processor"
  256. select CPU_SH3
  257. select CPU_HAS_DSP
  258. help
  259. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  260. config CPU_SUBTYPE_SH7712
  261. bool "Support SH7712 processor"
  262. select CPU_SH3
  263. select CPU_HAS_DSP
  264. help
  265. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  266. config CPU_SUBTYPE_SH7720
  267. bool "Support SH7720 processor"
  268. select CPU_SH3
  269. select CPU_HAS_DSP
  270. select SYS_SUPPORTS_CMT
  271. help
  272. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  273. config CPU_SUBTYPE_SH7721
  274. bool "Support SH7721 processor"
  275. select CPU_SH3
  276. select CPU_HAS_DSP
  277. select SYS_SUPPORTS_CMT
  278. help
  279. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  280. # SH-4 Processor Support
  281. config CPU_SUBTYPE_SH7750
  282. bool "Support SH7750 processor"
  283. select CPU_SH4
  284. help
  285. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  286. config CPU_SUBTYPE_SH7091
  287. bool "Support SH7091 processor"
  288. select CPU_SH4
  289. help
  290. Select SH7091 if you have an SH-4 based Sega device (such as
  291. the Dreamcast, Naomi, and Naomi 2).
  292. config CPU_SUBTYPE_SH7750R
  293. bool "Support SH7750R processor"
  294. select CPU_SH4
  295. config CPU_SUBTYPE_SH7750S
  296. bool "Support SH7750S processor"
  297. select CPU_SH4
  298. config CPU_SUBTYPE_SH7751
  299. bool "Support SH7751 processor"
  300. select CPU_SH4
  301. help
  302. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  303. or if you have a HD6417751R CPU.
  304. config CPU_SUBTYPE_SH7751R
  305. bool "Support SH7751R processor"
  306. select CPU_SH4
  307. config CPU_SUBTYPE_SH7760
  308. bool "Support SH7760 processor"
  309. select CPU_SH4
  310. config CPU_SUBTYPE_SH4_202
  311. bool "Support SH4-202 processor"
  312. select CPU_SH4
  313. # SH-4A Processor Support
  314. config CPU_SUBTYPE_SH7723
  315. bool "Support SH7723 processor"
  316. select CPU_SH4A
  317. select CPU_SHX2
  318. select ARCH_SHMOBILE
  319. select ARCH_SPARSEMEM_ENABLE
  320. select SYS_SUPPORTS_CMT
  321. help
  322. Select SH7723 if you have an SH-MobileR2 CPU.
  323. config CPU_SUBTYPE_SH7724
  324. bool "Support SH7724 processor"
  325. select CPU_SH4A
  326. select CPU_SHX2
  327. select ARCH_SHMOBILE
  328. select ARCH_SPARSEMEM_ENABLE
  329. select SYS_SUPPORTS_CMT
  330. help
  331. Select SH7724 if you have an SH-MobileR2R CPU.
  332. config CPU_SUBTYPE_SH7757
  333. bool "Support SH7757 processor"
  334. select CPU_SH4A
  335. select CPU_SHX2
  336. help
  337. Select SH7757 if you have a SH4A SH7757 CPU.
  338. config CPU_SUBTYPE_SH7763
  339. bool "Support SH7763 processor"
  340. select CPU_SH4A
  341. help
  342. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  343. config CPU_SUBTYPE_SH7770
  344. bool "Support SH7770 processor"
  345. select CPU_SH4A
  346. config CPU_SUBTYPE_SH7780
  347. bool "Support SH7780 processor"
  348. select CPU_SH4A
  349. config CPU_SUBTYPE_SH7785
  350. bool "Support SH7785 processor"
  351. select CPU_SH4A
  352. select CPU_SHX2
  353. select ARCH_SPARSEMEM_ENABLE
  354. select SYS_SUPPORTS_NUMA
  355. config CPU_SUBTYPE_SH7786
  356. bool "Support SH7786 processor"
  357. select CPU_SH4A
  358. select CPU_SHX3
  359. select CPU_HAS_PTEAEX
  360. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  361. config CPU_SUBTYPE_SHX3
  362. bool "Support SH-X3 processor"
  363. select CPU_SH4A
  364. select CPU_SHX3
  365. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  366. # SH4AL-DSP Processor Support
  367. config CPU_SUBTYPE_SH7343
  368. bool "Support SH7343 processor"
  369. select CPU_SH4AL_DSP
  370. select ARCH_SHMOBILE
  371. select SYS_SUPPORTS_CMT
  372. config CPU_SUBTYPE_SH7722
  373. bool "Support SH7722 processor"
  374. select CPU_SH4AL_DSP
  375. select CPU_SHX2
  376. select ARCH_SHMOBILE
  377. select ARCH_SPARSEMEM_ENABLE
  378. select SYS_SUPPORTS_NUMA
  379. select SYS_SUPPORTS_CMT
  380. config CPU_SUBTYPE_SH7366
  381. bool "Support SH7366 processor"
  382. select CPU_SH4AL_DSP
  383. select CPU_SHX2
  384. select ARCH_SHMOBILE
  385. select ARCH_SPARSEMEM_ENABLE
  386. select SYS_SUPPORTS_NUMA
  387. select SYS_SUPPORTS_CMT
  388. endchoice
  389. endif
  390. if SUPERH64
  391. choice
  392. prompt "Processor sub-type selection"
  393. # SH-5 Processor Support
  394. config CPU_SUBTYPE_SH5_101
  395. bool "Support SH5-101 processor"
  396. select CPU_SH5
  397. config CPU_SUBTYPE_SH5_103
  398. bool "Support SH5-103 processor"
  399. select CPU_SH5
  400. endchoice
  401. endif
  402. source "arch/sh/mm/Kconfig"
  403. source "arch/sh/Kconfig.cpu"
  404. source "arch/sh/boards/Kconfig"
  405. menu "Timer and clock configuration"
  406. config SH_TIMER_TMU
  407. bool "TMU timer driver"
  408. depends on SYS_SUPPORTS_TMU
  409. default y
  410. help
  411. This enables the build of the TMU timer driver.
  412. config SH_TIMER_CMT
  413. bool "CMT timer driver"
  414. depends on SYS_SUPPORTS_CMT
  415. default y
  416. help
  417. This enables build of the CMT timer driver.
  418. config SH_TIMER_MTU2
  419. bool "MTU2 timer driver"
  420. depends on SYS_SUPPORTS_MTU2
  421. default y
  422. help
  423. This enables build of the MTU2 timer driver.
  424. config SH_PCLK_FREQ
  425. int "Peripheral clock frequency (in Hz)"
  426. depends on SH_CLK_CPG_LEGACY
  427. default "31250000" if CPU_SUBTYPE_SH7619
  428. default "33333333" if CPU_SUBTYPE_SH7770 || \
  429. CPU_SUBTYPE_SH7760 || \
  430. CPU_SUBTYPE_SH7705 || \
  431. CPU_SUBTYPE_SH7203 || \
  432. CPU_SUBTYPE_SH7206 || \
  433. CPU_SUBTYPE_SH7263 || \
  434. CPU_SUBTYPE_MXG
  435. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  436. default "66000000" if CPU_SUBTYPE_SH4_202
  437. default "50000000"
  438. help
  439. This option is used to specify the peripheral clock frequency.
  440. This is necessary for determining the reference clock value on
  441. platforms lacking an RTC.
  442. config SH_CLK_CPG
  443. def_bool y
  444. config SH_CLK_CPG_LEGACY
  445. depends on SH_CLK_CPG
  446. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
  447. !CPU_SUBTYPE_SH7786
  448. config SH_CLK_MD
  449. int "CPU Mode Pin Setting"
  450. depends on CPU_SH2
  451. default 6 if CPU_SUBTYPE_SH7206
  452. default 5 if CPU_SUBTYPE_SH7619
  453. default 0
  454. help
  455. MD2 - MD0 pin setting.
  456. source "kernel/time/Kconfig"
  457. endmenu
  458. menu "CPU Frequency scaling"
  459. source "drivers/cpufreq/Kconfig"
  460. config SH_CPU_FREQ
  461. tristate "SuperH CPU Frequency driver"
  462. depends on CPU_FREQ
  463. select CPU_FREQ_TABLE
  464. help
  465. This adds the cpufreq driver for SuperH. Any CPU that supports
  466. clock rate rounding through the clock framework can use this
  467. driver. While it will make the kernel slightly larger, this is
  468. harmless for CPUs that don't support rate rounding. The driver
  469. will also generate a notice in the boot log before disabling
  470. itself if the CPU in question is not capable of rate rounding.
  471. For details, take a look at <file:Documentation/cpu-freq>.
  472. If unsure, say N.
  473. endmenu
  474. source "arch/sh/drivers/Kconfig"
  475. endmenu
  476. menu "Kernel features"
  477. source kernel/Kconfig.hz
  478. config KEXEC
  479. bool "kexec system call (EXPERIMENTAL)"
  480. depends on SUPERH32 && EXPERIMENTAL && MMU
  481. help
  482. kexec is a system call that implements the ability to shutdown your
  483. current kernel, and to start another kernel. It is like a reboot
  484. but it is independent of the system firmware. And like a reboot
  485. you can start any kernel with it, not just Linux.
  486. The name comes from the similarity to the exec system call.
  487. It is an ongoing process to be certain the hardware in a machine
  488. is properly shutdown, so do not be surprised if this code does not
  489. initially work for you. It may help to enable device hotplugging
  490. support. As of this writing the exact hardware interface is
  491. strongly in flux, so no good recommendation can be made.
  492. config CRASH_DUMP
  493. bool "kernel crash dumps (EXPERIMENTAL)"
  494. depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP
  495. help
  496. Generate crash dump after being started by kexec.
  497. This should be normally only set in special crash dump kernels
  498. which are loaded in the main kernel with kexec-tools into
  499. a specially reserved region and then later executed after
  500. a crash by kdump/kexec. The crash dump kernel must be compiled
  501. to a memory address not used by the main kernel using
  502. MEMORY_START.
  503. For more details see Documentation/kdump/kdump.txt
  504. config KEXEC_JUMP
  505. bool "kexec jump (EXPERIMENTAL)"
  506. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  507. help
  508. Jump between original kernel and kexeced kernel and invoke
  509. code via KEXEC
  510. config SECCOMP
  511. bool "Enable seccomp to safely compute untrusted bytecode"
  512. depends on PROC_FS
  513. help
  514. This kernel feature is useful for number crunching applications
  515. that may need to compute untrusted bytecode during their
  516. execution. By using pipes or other transports made available to
  517. the process as file descriptors supporting the read/write
  518. syscalls, it's possible to isolate those applications in
  519. their own address space using seccomp. Once seccomp is
  520. enabled via prctl, it cannot be disabled and the task is only
  521. allowed to execute a few safe syscalls defined by each seccomp
  522. mode.
  523. If unsure, say N.
  524. config SMP
  525. bool "Symmetric multi-processing support"
  526. depends on SYS_SUPPORTS_SMP
  527. select USE_GENERIC_SMP_HELPERS
  528. ---help---
  529. This enables support for systems with more than one CPU. If you have
  530. a system with only one CPU, like most personal computers, say N. If
  531. you have a system with more than one CPU, say Y.
  532. If you say N here, the kernel will run on single and multiprocessor
  533. machines, but will use only one CPU of a multiprocessor machine. If
  534. you say Y here, the kernel will run on many, but not all,
  535. singleprocessor machines. On a singleprocessor machine, the kernel
  536. will run faster if you say N here.
  537. People using multiprocessor machines who say Y here should also say
  538. Y to "Enhanced Real Time Clock Support", below.
  539. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  540. available at <http://www.tldp.org/docs.html#howto>.
  541. If you don't know what to do here, say N.
  542. config NR_CPUS
  543. int "Maximum number of CPUs (2-32)"
  544. range 2 32
  545. depends on SMP
  546. default "4" if CPU_SUBTYPE_SHX3
  547. default "2"
  548. help
  549. This allows you to specify the maximum number of CPUs which this
  550. kernel will support. The maximum supported value is 32 and the
  551. minimum value which makes sense is 2.
  552. This is purely to save memory - each supported CPU adds
  553. approximately eight kilobytes to the kernel image.
  554. config HOTPLUG_CPU
  555. bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
  556. depends on SMP && HOTPLUG && EXPERIMENTAL
  557. help
  558. Say Y here to experiment with turning CPUs off and on. CPUs
  559. can be controlled through /sys/devices/system/cpu.
  560. source "kernel/Kconfig.preempt"
  561. config GUSA
  562. def_bool y
  563. depends on !SMP && SUPERH32
  564. help
  565. This enables support for gUSA (general UserSpace Atomicity).
  566. This is the default implementation for both UP and non-ll/sc
  567. CPUs, and is used by the libc, amongst others.
  568. For additional information, design information can be found
  569. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  570. This should only be disabled for special cases where alternate
  571. atomicity implementations exist.
  572. config GUSA_RB
  573. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  574. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  575. help
  576. Enabling this option will allow the kernel to implement some
  577. atomic operations using a software implementation of load-locked/
  578. store-conditional (LLSC). On machines which do not have hardware
  579. LLSC, this should be more efficient than the other alternative of
  580. disabling interrupts around the atomic sequence.
  581. source "drivers/sh/Kconfig"
  582. endmenu
  583. menu "Boot options"
  584. config ZERO_PAGE_OFFSET
  585. hex
  586. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  587. SH_7751_SOLUTION_ENGINE
  588. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  589. default "0x00002000" if PAGE_SIZE_8KB
  590. default "0x00001000"
  591. help
  592. This sets the default offset of zero page.
  593. config BOOT_LINK_OFFSET
  594. hex
  595. default "0x00210000" if SH_SHMIN
  596. default "0x00400000" if SH_CAYMAN
  597. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  598. default "0x009e0000" if SH_TITAN
  599. default "0x01800000" if SH_SDK7780
  600. default "0x02000000" if SH_EDOSK7760
  601. default "0x00800000"
  602. help
  603. This option allows you to set the link address offset of the zImage.
  604. This can be useful if you are on a board which has a small amount of
  605. memory.
  606. config ENTRY_OFFSET
  607. hex
  608. default "0x00001000" if PAGE_SIZE_4KB
  609. default "0x00002000" if PAGE_SIZE_8KB
  610. default "0x00004000" if PAGE_SIZE_16KB
  611. default "0x00010000" if PAGE_SIZE_64KB
  612. default "0x00000000"
  613. choice
  614. prompt "Kernel command line"
  615. optional
  616. default CMDLINE_OVERWRITE
  617. help
  618. Setting this option allows the kernel command line arguments
  619. to be set.
  620. config CMDLINE_OVERWRITE
  621. bool "Overwrite bootloader kernel arguments"
  622. help
  623. Given string will overwrite any arguments passed in by
  624. a bootloader.
  625. config CMDLINE_EXTEND
  626. bool "Extend bootloader kernel arguments"
  627. help
  628. Given string will be concatenated with arguments passed in
  629. by a bootloader.
  630. endchoice
  631. config CMDLINE
  632. string "Kernel command line arguments string"
  633. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  634. default "console=ttySC1,115200"
  635. endmenu
  636. menu "Bus options"
  637. config SUPERHYWAY
  638. tristate "SuperHyway Bus support"
  639. depends on CPU_SUBTYPE_SH4_202
  640. config MAPLE
  641. bool "Maple Bus support"
  642. depends on SH_DREAMCAST
  643. help
  644. The Maple Bus is SEGA's serial communication bus for peripherals
  645. on the Dreamcast. Without this bus support you won't be able to
  646. get your Dreamcast keyboard etc to work, so most users
  647. probably want to say 'Y' here, unless you are only using the
  648. Dreamcast with a serial line terminal or a remote network
  649. connection.
  650. config PCI
  651. bool "PCI support"
  652. depends on SYS_SUPPORTS_PCI
  653. select PCI_DOMAINS
  654. help
  655. Find out whether you have a PCI motherboard. PCI is the name of a
  656. bus system, i.e. the way the CPU talks to the other stuff inside
  657. your box. If you have PCI, say Y, otherwise N.
  658. config PCI_DOMAINS
  659. bool
  660. source "drivers/pci/pcie/Kconfig"
  661. source "drivers/pci/Kconfig"
  662. source "drivers/pcmcia/Kconfig"
  663. source "drivers/pci/hotplug/Kconfig"
  664. endmenu
  665. menu "Executable file formats"
  666. source "fs/Kconfig.binfmt"
  667. endmenu
  668. menu "Power management options (EXPERIMENTAL)"
  669. depends on EXPERIMENTAL
  670. source "kernel/power/Kconfig"
  671. source "drivers/cpuidle/Kconfig"
  672. endmenu
  673. source "net/Kconfig"
  674. source "drivers/Kconfig"
  675. source "fs/Kconfig"
  676. source "arch/sh/Kconfig.debug"
  677. source "security/Kconfig"
  678. source "crypto/Kconfig"
  679. menuconfig VIRTUALIZATION
  680. bool "Virtualization"
  681. default n
  682. ---help---
  683. Say Y here to get to see options for using your Linux host to run other
  684. operating systems inside virtual machines (guests).
  685. This option alone does not add any kernel code.
  686. If you say N, all options in this submenu will be skipped and disabled.
  687. if VIRTUALIZATION
  688. source drivers/virtio/Kconfig
  689. endif # VIRTUALIZATION
  690. source "lib/Kconfig"