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_IOREMAP_PROT if MMU
  15. select HAVE_ARCH_TRACEHOOK
  16. select HAVE_DMA_API_DEBUG
  17. select HAVE_PERF_EVENTS
  18. select HAVE_KERNEL_GZIP
  19. select HAVE_KERNEL_BZIP2
  20. select HAVE_KERNEL_LZMA
  21. select HAVE_SYSCALL_TRACEPOINTS
  22. select RTC_LIB
  23. select GENERIC_ATOMIC64
  24. help
  25. The SuperH is a RISC processor targeted for use in embedded systems
  26. and consumer electronics; it was also used in the Sega Dreamcast
  27. gaming console. The SuperH port has a home page at
  28. <http://www.linux-sh.org/>.
  29. config SUPERH32
  30. def_bool ARCH = "sh"
  31. select HAVE_KPROBES
  32. select HAVE_KRETPROBES
  33. select HAVE_FUNCTION_TRACER
  34. select HAVE_FTRACE_MCOUNT_RECORD
  35. select HAVE_DYNAMIC_FTRACE
  36. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  37. select HAVE_FUNCTION_GRAPH_TRACER
  38. select HAVE_ARCH_KGDB
  39. select ARCH_HIBERNATION_POSSIBLE if MMU
  40. config SUPERH64
  41. def_bool ARCH = "sh64"
  42. config ARCH_DEFCONFIG
  43. string
  44. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  45. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  46. config RWSEM_GENERIC_SPINLOCK
  47. def_bool y
  48. config RWSEM_XCHGADD_ALGORITHM
  49. bool
  50. config GENERIC_BUG
  51. def_bool y
  52. depends on BUG && SUPERH32
  53. config GENERIC_CSUM
  54. def_bool y
  55. depends on SUPERH64
  56. config GENERIC_FIND_NEXT_BIT
  57. def_bool y
  58. config GENERIC_HWEIGHT
  59. def_bool y
  60. config GENERIC_HARDIRQS
  61. def_bool y
  62. config GENERIC_HARDIRQS_NO__DO_IRQ
  63. def_bool y
  64. config GENERIC_IRQ_PROBE
  65. def_bool y
  66. config IRQ_PER_CPU
  67. def_bool y
  68. config GENERIC_GPIO
  69. def_bool n
  70. config GENERIC_CALIBRATE_DELAY
  71. bool
  72. config GENERIC_IOMAP
  73. bool
  74. config GENERIC_TIME
  75. def_bool y
  76. config GENERIC_CLOCKEVENTS
  77. def_bool y
  78. config GENERIC_CLOCKEVENTS_BROADCAST
  79. bool
  80. config GENERIC_CMOS_UPDATE
  81. def_bool y
  82. depends on SH_SH03 || SH_DREAMCAST
  83. config GENERIC_LOCKBREAK
  84. def_bool y
  85. depends on SMP && PREEMPT
  86. config SYS_SUPPORTS_PM
  87. bool
  88. depends on !SMP
  89. config ARCH_SUSPEND_POSSIBLE
  90. def_bool n
  91. config ARCH_HIBERNATION_POSSIBLE
  92. def_bool n
  93. config SYS_SUPPORTS_APM_EMULATION
  94. bool
  95. select ARCH_SUSPEND_POSSIBLE
  96. config SYS_SUPPORTS_HUGETLBFS
  97. bool
  98. config SYS_SUPPORTS_SMP
  99. bool
  100. config SYS_SUPPORTS_NUMA
  101. bool
  102. config SYS_SUPPORTS_PCI
  103. bool
  104. config SYS_SUPPORTS_CMT
  105. bool
  106. config SYS_SUPPORTS_MTU2
  107. bool
  108. config SYS_SUPPORTS_TMU
  109. bool
  110. config STACKTRACE_SUPPORT
  111. def_bool y
  112. config LOCKDEP_SUPPORT
  113. def_bool y
  114. config HAVE_LATENCYTOP_SUPPORT
  115. def_bool y
  116. depends on !SMP
  117. config ARCH_HAS_ILOG2_U32
  118. def_bool n
  119. config ARCH_HAS_ILOG2_U64
  120. def_bool n
  121. config ARCH_NO_VIRT_TO_BUS
  122. def_bool y
  123. config ARCH_HAS_DEFAULT_IDLE
  124. def_bool y
  125. config ARCH_HAS_CPU_IDLE_WAIT
  126. def_bool y
  127. config IO_TRAPPED
  128. bool
  129. source "init/Kconfig"
  130. source "kernel/Kconfig.freezer"
  131. menu "System type"
  132. #
  133. # Processor families
  134. #
  135. config CPU_SH2
  136. bool
  137. config CPU_SH2A
  138. bool
  139. select CPU_SH2
  140. config CPU_SH3
  141. bool
  142. select CPU_HAS_INTEVT
  143. select CPU_HAS_SR_RB
  144. select SYS_SUPPORTS_TMU
  145. config CPU_SH4
  146. bool
  147. select CPU_HAS_INTEVT
  148. select CPU_HAS_SR_RB
  149. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  150. select SYS_SUPPORTS_TMU
  151. select SYS_SUPPORTS_HUGETLBFS if MMU
  152. config CPU_SH4A
  153. bool
  154. select CPU_SH4
  155. config CPU_SH4AL_DSP
  156. bool
  157. select CPU_SH4A
  158. select CPU_HAS_DSP
  159. config CPU_SH5
  160. bool
  161. select CPU_HAS_FPU
  162. select SYS_SUPPORTS_TMU
  163. select SYS_SUPPORTS_HUGETLBFS if MMU
  164. config CPU_SHX2
  165. bool
  166. config CPU_SHX3
  167. bool
  168. config ARCH_SHMOBILE
  169. bool
  170. select ARCH_SUSPEND_POSSIBLE
  171. select PM
  172. select PM_RUNTIME
  173. if SUPERH32
  174. choice
  175. prompt "Processor sub-type selection"
  176. #
  177. # Processor subtypes
  178. #
  179. # SH-2 Processor Support
  180. config CPU_SUBTYPE_SH7619
  181. bool "Support SH7619 processor"
  182. select CPU_SH2
  183. select SYS_SUPPORTS_CMT
  184. # SH-2A Processor Support
  185. config CPU_SUBTYPE_SH7201
  186. bool "Support SH7201 processor"
  187. select CPU_SH2A
  188. select CPU_HAS_FPU
  189. select SYS_SUPPORTS_MTU2
  190. config CPU_SUBTYPE_SH7203
  191. bool "Support SH7203 processor"
  192. select CPU_SH2A
  193. select CPU_HAS_FPU
  194. select SYS_SUPPORTS_CMT
  195. select SYS_SUPPORTS_MTU2
  196. config CPU_SUBTYPE_SH7206
  197. bool "Support SH7206 processor"
  198. select CPU_SH2A
  199. select SYS_SUPPORTS_CMT
  200. select SYS_SUPPORTS_MTU2
  201. config CPU_SUBTYPE_SH7263
  202. bool "Support SH7263 processor"
  203. select CPU_SH2A
  204. select CPU_HAS_FPU
  205. select SYS_SUPPORTS_CMT
  206. select SYS_SUPPORTS_MTU2
  207. config CPU_SUBTYPE_MXG
  208. bool "Support MX-G processor"
  209. select CPU_SH2A
  210. select SYS_SUPPORTS_MTU2
  211. help
  212. Select MX-G if running on an R8A03022BG part.
  213. # SH-3 Processor Support
  214. config CPU_SUBTYPE_SH7705
  215. bool "Support SH7705 processor"
  216. select CPU_SH3
  217. config CPU_SUBTYPE_SH7706
  218. bool "Support SH7706 processor"
  219. select CPU_SH3
  220. help
  221. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  222. config CPU_SUBTYPE_SH7707
  223. bool "Support SH7707 processor"
  224. select CPU_SH3
  225. help
  226. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  227. config CPU_SUBTYPE_SH7708
  228. bool "Support SH7708 processor"
  229. select CPU_SH3
  230. help
  231. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  232. if you have a 100 Mhz SH-3 HD6417708R CPU.
  233. config CPU_SUBTYPE_SH7709
  234. bool "Support SH7709 processor"
  235. select CPU_SH3
  236. help
  237. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  238. config CPU_SUBTYPE_SH7710
  239. bool "Support SH7710 processor"
  240. select CPU_SH3
  241. select CPU_HAS_DSP
  242. help
  243. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  244. config CPU_SUBTYPE_SH7712
  245. bool "Support SH7712 processor"
  246. select CPU_SH3
  247. select CPU_HAS_DSP
  248. help
  249. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  250. config CPU_SUBTYPE_SH7720
  251. bool "Support SH7720 processor"
  252. select CPU_SH3
  253. select CPU_HAS_DSP
  254. select SYS_SUPPORTS_CMT
  255. help
  256. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  257. config CPU_SUBTYPE_SH7721
  258. bool "Support SH7721 processor"
  259. select CPU_SH3
  260. select CPU_HAS_DSP
  261. select SYS_SUPPORTS_CMT
  262. help
  263. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  264. # SH-4 Processor Support
  265. config CPU_SUBTYPE_SH7750
  266. bool "Support SH7750 processor"
  267. select CPU_SH4
  268. help
  269. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  270. config CPU_SUBTYPE_SH7091
  271. bool "Support SH7091 processor"
  272. select CPU_SH4
  273. help
  274. Select SH7091 if you have an SH-4 based Sega device (such as
  275. the Dreamcast, Naomi, and Naomi 2).
  276. config CPU_SUBTYPE_SH7750R
  277. bool "Support SH7750R processor"
  278. select CPU_SH4
  279. config CPU_SUBTYPE_SH7750S
  280. bool "Support SH7750S processor"
  281. select CPU_SH4
  282. config CPU_SUBTYPE_SH7751
  283. bool "Support SH7751 processor"
  284. select CPU_SH4
  285. help
  286. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  287. or if you have a HD6417751R CPU.
  288. config CPU_SUBTYPE_SH7751R
  289. bool "Support SH7751R processor"
  290. select CPU_SH4
  291. config CPU_SUBTYPE_SH7760
  292. bool "Support SH7760 processor"
  293. select CPU_SH4
  294. config CPU_SUBTYPE_SH4_202
  295. bool "Support SH4-202 processor"
  296. select CPU_SH4
  297. # SH-4A Processor Support
  298. config CPU_SUBTYPE_SH7723
  299. bool "Support SH7723 processor"
  300. select CPU_SH4A
  301. select CPU_SHX2
  302. select ARCH_SHMOBILE
  303. select ARCH_SPARSEMEM_ENABLE
  304. select SYS_SUPPORTS_CMT
  305. help
  306. Select SH7723 if you have an SH-MobileR2 CPU.
  307. config CPU_SUBTYPE_SH7724
  308. bool "Support SH7724 processor"
  309. select CPU_SH4A
  310. select CPU_SHX2
  311. select ARCH_SHMOBILE
  312. select ARCH_SPARSEMEM_ENABLE
  313. select SYS_SUPPORTS_CMT
  314. help
  315. Select SH7724 if you have an SH-MobileR2R CPU.
  316. config CPU_SUBTYPE_SH7757
  317. bool "Support SH7757 processor"
  318. select CPU_SH4A
  319. select CPU_SHX2
  320. help
  321. Select SH7757 if you have a SH4A SH7757 CPU.
  322. config CPU_SUBTYPE_SH7763
  323. bool "Support SH7763 processor"
  324. select CPU_SH4A
  325. help
  326. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  327. config CPU_SUBTYPE_SH7770
  328. bool "Support SH7770 processor"
  329. select CPU_SH4A
  330. config CPU_SUBTYPE_SH7780
  331. bool "Support SH7780 processor"
  332. select CPU_SH4A
  333. config CPU_SUBTYPE_SH7785
  334. bool "Support SH7785 processor"
  335. select CPU_SH4A
  336. select CPU_SHX2
  337. select ARCH_SPARSEMEM_ENABLE
  338. select SYS_SUPPORTS_NUMA
  339. config CPU_SUBTYPE_SH7786
  340. bool "Support SH7786 processor"
  341. select CPU_SH4A
  342. select CPU_SHX3
  343. select CPU_HAS_PTEAEX
  344. select ARCH_SPARSEMEM_ENABLE
  345. select SYS_SUPPORTS_NUMA
  346. select SYS_SUPPORTS_SMP
  347. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  348. config CPU_SUBTYPE_SHX3
  349. bool "Support SH-X3 processor"
  350. select CPU_SH4A
  351. select CPU_SHX3
  352. select ARCH_SPARSEMEM_ENABLE
  353. select SYS_SUPPORTS_NUMA
  354. select SYS_SUPPORTS_SMP
  355. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  356. # SH4AL-DSP Processor Support
  357. config CPU_SUBTYPE_SH7343
  358. bool "Support SH7343 processor"
  359. select CPU_SH4AL_DSP
  360. select ARCH_SHMOBILE
  361. select SYS_SUPPORTS_CMT
  362. config CPU_SUBTYPE_SH7722
  363. bool "Support SH7722 processor"
  364. select CPU_SH4AL_DSP
  365. select CPU_SHX2
  366. select ARCH_SHMOBILE
  367. select ARCH_SPARSEMEM_ENABLE
  368. select SYS_SUPPORTS_NUMA
  369. select SYS_SUPPORTS_CMT
  370. config CPU_SUBTYPE_SH7366
  371. bool "Support SH7366 processor"
  372. select CPU_SH4AL_DSP
  373. select CPU_SHX2
  374. select ARCH_SHMOBILE
  375. select ARCH_SPARSEMEM_ENABLE
  376. select SYS_SUPPORTS_NUMA
  377. select SYS_SUPPORTS_CMT
  378. endchoice
  379. endif
  380. if SUPERH64
  381. choice
  382. prompt "Processor sub-type selection"
  383. # SH-5 Processor Support
  384. config CPU_SUBTYPE_SH5_101
  385. bool "Support SH5-101 processor"
  386. select CPU_SH5
  387. config CPU_SUBTYPE_SH5_103
  388. bool "Support SH5-103 processor"
  389. select CPU_SH5
  390. endchoice
  391. endif
  392. source "arch/sh/mm/Kconfig"
  393. source "arch/sh/Kconfig.cpu"
  394. source "arch/sh/boards/Kconfig"
  395. menu "Timer and clock configuration"
  396. config SH_TIMER_TMU
  397. bool "TMU timer driver"
  398. depends on SYS_SUPPORTS_TMU
  399. default y
  400. help
  401. This enables the build of the TMU timer driver.
  402. config SH_TIMER_CMT
  403. bool "CMT timer driver"
  404. depends on SYS_SUPPORTS_CMT
  405. default y
  406. help
  407. This enables build of the CMT timer driver.
  408. config SH_TIMER_MTU2
  409. bool "MTU2 timer driver"
  410. depends on SYS_SUPPORTS_MTU2
  411. default y
  412. help
  413. This enables build of the MTU2 timer driver.
  414. config SH_PCLK_FREQ
  415. int "Peripheral clock frequency (in Hz)"
  416. default "27000000" if CPU_SUBTYPE_SH7343
  417. default "31250000" if CPU_SUBTYPE_SH7619
  418. default "32000000" if CPU_SUBTYPE_SH7722
  419. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  420. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  421. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  422. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
  423. CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
  424. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  425. default "66000000" if CPU_SUBTYPE_SH4_202
  426. default "50000000"
  427. help
  428. This option is used to specify the peripheral clock frequency.
  429. This is necessary for determining the reference clock value on
  430. platforms lacking an RTC.
  431. config SH_CLK_CPG
  432. def_bool y
  433. config SH_CLK_CPG_LEGACY
  434. depends on SH_CLK_CPG
  435. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE
  436. config SH_CLK_MD
  437. int "CPU Mode Pin Setting"
  438. depends on CPU_SH2
  439. default 6 if CPU_SUBTYPE_SH7206
  440. default 5 if CPU_SUBTYPE_SH7619
  441. default 0
  442. help
  443. MD2 - MD0 pin setting.
  444. source "kernel/time/Kconfig"
  445. endmenu
  446. menu "CPU Frequency scaling"
  447. source "drivers/cpufreq/Kconfig"
  448. config SH_CPU_FREQ
  449. tristate "SuperH CPU Frequency driver"
  450. depends on CPU_FREQ
  451. select CPU_FREQ_TABLE
  452. help
  453. This adds the cpufreq driver for SuperH. Any CPU that supports
  454. clock rate rounding through the clock framework can use this
  455. driver. While it will make the kernel slightly larger, this is
  456. harmless for CPUs that don't support rate rounding. The driver
  457. will also generate a notice in the boot log before disabling
  458. itself if the CPU in question is not capable of rate rounding.
  459. For details, take a look at <file:Documentation/cpu-freq>.
  460. If unsure, say N.
  461. endmenu
  462. source "arch/sh/drivers/Kconfig"
  463. endmenu
  464. menu "Kernel features"
  465. source kernel/Kconfig.hz
  466. config KEXEC
  467. bool "kexec system call (EXPERIMENTAL)"
  468. depends on SUPERH32 && EXPERIMENTAL && MMU
  469. help
  470. kexec is a system call that implements the ability to shutdown your
  471. current kernel, and to start another kernel. It is like a reboot
  472. but it is independent of the system firmware. And like a reboot
  473. you can start any kernel with it, not just Linux.
  474. The name comes from the similarity to the exec system call.
  475. It is an ongoing process to be certain the hardware in a machine
  476. is properly shutdown, so do not be surprised if this code does not
  477. initially work for you. It may help to enable device hotplugging
  478. support. As of this writing the exact hardware interface is
  479. strongly in flux, so no good recommendation can be made.
  480. config CRASH_DUMP
  481. bool "kernel crash dumps (EXPERIMENTAL)"
  482. depends on SUPERH32 && EXPERIMENTAL
  483. help
  484. Generate crash dump after being started by kexec.
  485. This should be normally only set in special crash dump kernels
  486. which are loaded in the main kernel with kexec-tools into
  487. a specially reserved region and then later executed after
  488. a crash by kdump/kexec. The crash dump kernel must be compiled
  489. to a memory address not used by the main kernel using
  490. MEMORY_START.
  491. For more details see Documentation/kdump/kdump.txt
  492. config KEXEC_JUMP
  493. bool "kexec jump (EXPERIMENTAL)"
  494. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  495. help
  496. Jump between original kernel and kexeced kernel and invoke
  497. code via KEXEC
  498. config SECCOMP
  499. bool "Enable seccomp to safely compute untrusted bytecode"
  500. depends on PROC_FS
  501. help
  502. This kernel feature is useful for number crunching applications
  503. that may need to compute untrusted bytecode during their
  504. execution. By using pipes or other transports made available to
  505. the process as file descriptors supporting the read/write
  506. syscalls, it's possible to isolate those applications in
  507. their own address space using seccomp. Once seccomp is
  508. enabled via prctl, it cannot be disabled and the task is only
  509. allowed to execute a few safe syscalls defined by each seccomp
  510. mode.
  511. If unsure, say N.
  512. config SMP
  513. bool "Symmetric multi-processing support"
  514. depends on SYS_SUPPORTS_SMP
  515. select USE_GENERIC_SMP_HELPERS
  516. ---help---
  517. This enables support for systems with more than one CPU. If you have
  518. a system with only one CPU, like most personal computers, say N. If
  519. you have a system with more than one CPU, say Y.
  520. If you say N here, the kernel will run on single and multiprocessor
  521. machines, but will use only one CPU of a multiprocessor machine. If
  522. you say Y here, the kernel will run on many, but not all,
  523. singleprocessor machines. On a singleprocessor machine, the kernel
  524. will run faster if you say N here.
  525. People using multiprocessor machines who say Y here should also say
  526. Y to "Enhanced Real Time Clock Support", below.
  527. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  528. available at <http://www.tldp.org/docs.html#howto>.
  529. If you don't know what to do here, say N.
  530. config NR_CPUS
  531. int "Maximum number of CPUs (2-32)"
  532. range 2 32
  533. depends on SMP
  534. default "4" if CPU_SUBTYPE_SHX3
  535. default "2"
  536. help
  537. This allows you to specify the maximum number of CPUs which this
  538. kernel will support. The maximum supported value is 32 and the
  539. minimum value which makes sense is 2.
  540. This is purely to save memory - each supported CPU adds
  541. approximately eight kilobytes to the kernel image.
  542. source "kernel/Kconfig.preempt"
  543. config GUSA
  544. def_bool y
  545. depends on !SMP && SUPERH32
  546. help
  547. This enables support for gUSA (general UserSpace Atomicity).
  548. This is the default implementation for both UP and non-ll/sc
  549. CPUs, and is used by the libc, amongst others.
  550. For additional information, design information can be found
  551. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  552. This should only be disabled for special cases where alternate
  553. atomicity implementations exist.
  554. config GUSA_RB
  555. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  556. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  557. help
  558. Enabling this option will allow the kernel to implement some
  559. atomic operations using a software implementation of load-locked/
  560. store-conditional (LLSC). On machines which do not have hardware
  561. LLSC, this should be more efficient than the other alternative of
  562. disabling interrupts around the atomic sequence.
  563. config SPARSE_IRQ
  564. bool "Support sparse irq numbering"
  565. depends on EXPERIMENTAL
  566. help
  567. This enables support for sparse irqs. This is useful in general
  568. as most CPUs have a fairly sparse array of IRQ vectors, which
  569. the irq_desc then maps directly on to. Systems with a high
  570. number of off-chip IRQs will want to treat this as
  571. experimental until they have been independently verified.
  572. If you don't know what to do here, say N.
  573. endmenu
  574. menu "Boot options"
  575. config ZERO_PAGE_OFFSET
  576. hex
  577. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  578. SH_7751_SOLUTION_ENGINE
  579. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  580. default "0x00002000" if PAGE_SIZE_8KB
  581. default "0x00001000"
  582. help
  583. This sets the default offset of zero page.
  584. config BOOT_LINK_OFFSET
  585. hex
  586. default "0x00210000" if SH_SHMIN
  587. default "0x00400000" if SH_CAYMAN
  588. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  589. default "0x009e0000" if SH_TITAN
  590. default "0x01800000" if SH_SDK7780
  591. default "0x02000000" if SH_EDOSK7760
  592. default "0x00800000"
  593. help
  594. This option allows you to set the link address offset of the zImage.
  595. This can be useful if you are on a board which has a small amount of
  596. memory.
  597. config ENTRY_OFFSET
  598. hex
  599. default "0x00001000" if PAGE_SIZE_4KB
  600. default "0x00002000" if PAGE_SIZE_8KB
  601. default "0x00004000" if PAGE_SIZE_16KB
  602. default "0x00010000" if PAGE_SIZE_64KB
  603. default "0x00000000"
  604. config UBC_WAKEUP
  605. bool "Wakeup UBC on startup"
  606. depends on CPU_SH4 && !CPU_SH4A
  607. help
  608. Selecting this option will wakeup the User Break Controller (UBC) on
  609. startup. Although the UBC is left in an awake state when the processor
  610. comes up, some boot loaders misbehave by putting the UBC to sleep in a
  611. power saving state, which causes issues with things like ptrace().
  612. If unsure, say N.
  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. source "arch/sh/drivers/pci/Kconfig"
  651. source "drivers/pci/pcie/Kconfig"
  652. source "drivers/pci/Kconfig"
  653. source "drivers/pcmcia/Kconfig"
  654. source "drivers/pci/hotplug/Kconfig"
  655. endmenu
  656. menu "Executable file formats"
  657. source "fs/Kconfig.binfmt"
  658. endmenu
  659. menu "Power management options (EXPERIMENTAL)"
  660. depends on EXPERIMENTAL
  661. source "kernel/power/Kconfig"
  662. source "drivers/cpuidle/Kconfig"
  663. endmenu
  664. source "net/Kconfig"
  665. source "drivers/Kconfig"
  666. source "fs/Kconfig"
  667. source "arch/sh/Kconfig.debug"
  668. source "security/Kconfig"
  669. source "crypto/Kconfig"
  670. source "lib/Kconfig"