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