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 HAVE_HW_BREAKPOINT if CPU_SH4A
  40. select ARCH_HIBERNATION_POSSIBLE if MMU
  41. config SUPERH64
  42. def_bool ARCH = "sh64"
  43. config ARCH_DEFCONFIG
  44. string
  45. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  46. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  47. config RWSEM_GENERIC_SPINLOCK
  48. def_bool y
  49. config RWSEM_XCHGADD_ALGORITHM
  50. bool
  51. config GENERIC_BUG
  52. def_bool y
  53. depends on BUG && SUPERH32
  54. config GENERIC_CSUM
  55. def_bool y
  56. depends on SUPERH64
  57. config GENERIC_FIND_NEXT_BIT
  58. def_bool y
  59. config GENERIC_HWEIGHT
  60. def_bool y
  61. config GENERIC_HARDIRQS
  62. def_bool y
  63. config GENERIC_HARDIRQS_NO__DO_IRQ
  64. def_bool y
  65. config GENERIC_IRQ_PROBE
  66. def_bool y
  67. config IRQ_PER_CPU
  68. def_bool y
  69. config GENERIC_GPIO
  70. def_bool n
  71. config GENERIC_CALIBRATE_DELAY
  72. bool
  73. config GENERIC_IOMAP
  74. bool
  75. config GENERIC_TIME
  76. def_bool y
  77. config GENERIC_CLOCKEVENTS
  78. def_bool y
  79. config GENERIC_CLOCKEVENTS_BROADCAST
  80. bool
  81. config GENERIC_CMOS_UPDATE
  82. def_bool y
  83. depends on SH_SH03 || SH_DREAMCAST
  84. config GENERIC_LOCKBREAK
  85. def_bool y
  86. depends on SMP && PREEMPT
  87. config SYS_SUPPORTS_PM
  88. bool
  89. depends on !SMP
  90. config ARCH_SUSPEND_POSSIBLE
  91. def_bool n
  92. config ARCH_HIBERNATION_POSSIBLE
  93. def_bool n
  94. config SYS_SUPPORTS_APM_EMULATION
  95. bool
  96. select ARCH_SUSPEND_POSSIBLE
  97. config SYS_SUPPORTS_HUGETLBFS
  98. bool
  99. config SYS_SUPPORTS_SMP
  100. bool
  101. config SYS_SUPPORTS_NUMA
  102. bool
  103. config SYS_SUPPORTS_PCI
  104. bool
  105. config SYS_SUPPORTS_CMT
  106. bool
  107. config SYS_SUPPORTS_MTU2
  108. bool
  109. config SYS_SUPPORTS_TMU
  110. bool
  111. config STACKTRACE_SUPPORT
  112. def_bool y
  113. config LOCKDEP_SUPPORT
  114. def_bool y
  115. config HAVE_LATENCYTOP_SUPPORT
  116. def_bool y
  117. depends on !SMP
  118. config ARCH_HAS_ILOG2_U32
  119. def_bool n
  120. config ARCH_HAS_ILOG2_U64
  121. def_bool n
  122. config ARCH_NO_VIRT_TO_BUS
  123. def_bool y
  124. config ARCH_HAS_DEFAULT_IDLE
  125. def_bool y
  126. config ARCH_HAS_CPU_IDLE_WAIT
  127. def_bool y
  128. config IO_TRAPPED
  129. bool
  130. source "init/Kconfig"
  131. source "kernel/Kconfig.freezer"
  132. menu "System type"
  133. #
  134. # Processor families
  135. #
  136. config CPU_SH2
  137. bool
  138. config CPU_SH2A
  139. bool
  140. select CPU_SH2
  141. config CPU_SH3
  142. bool
  143. select CPU_HAS_INTEVT
  144. select CPU_HAS_SR_RB
  145. select SYS_SUPPORTS_TMU
  146. config CPU_SH4
  147. bool
  148. select CPU_HAS_INTEVT
  149. select CPU_HAS_SR_RB
  150. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  151. select SYS_SUPPORTS_TMU
  152. select SYS_SUPPORTS_HUGETLBFS if MMU
  153. config CPU_SH4A
  154. bool
  155. select CPU_SH4
  156. config CPU_SH4AL_DSP
  157. bool
  158. select CPU_SH4A
  159. select CPU_HAS_DSP
  160. config CPU_SH5
  161. bool
  162. select CPU_HAS_FPU
  163. select SYS_SUPPORTS_TMU
  164. select SYS_SUPPORTS_HUGETLBFS if MMU
  165. config CPU_SHX2
  166. bool
  167. config CPU_SHX3
  168. bool
  169. config ARCH_SHMOBILE
  170. bool
  171. select ARCH_SUSPEND_POSSIBLE
  172. select PM
  173. select PM_RUNTIME
  174. if SUPERH32
  175. choice
  176. prompt "Processor sub-type selection"
  177. #
  178. # Processor subtypes
  179. #
  180. # SH-2 Processor Support
  181. config CPU_SUBTYPE_SH7619
  182. bool "Support SH7619 processor"
  183. select CPU_SH2
  184. select SYS_SUPPORTS_CMT
  185. # SH-2A Processor Support
  186. config CPU_SUBTYPE_SH7201
  187. bool "Support SH7201 processor"
  188. select CPU_SH2A
  189. select CPU_HAS_FPU
  190. select SYS_SUPPORTS_MTU2
  191. config CPU_SUBTYPE_SH7203
  192. bool "Support SH7203 processor"
  193. select CPU_SH2A
  194. select CPU_HAS_FPU
  195. select SYS_SUPPORTS_CMT
  196. select SYS_SUPPORTS_MTU2
  197. config CPU_SUBTYPE_SH7206
  198. bool "Support SH7206 processor"
  199. select CPU_SH2A
  200. select SYS_SUPPORTS_CMT
  201. select SYS_SUPPORTS_MTU2
  202. config CPU_SUBTYPE_SH7263
  203. bool "Support SH7263 processor"
  204. select CPU_SH2A
  205. select CPU_HAS_FPU
  206. select SYS_SUPPORTS_CMT
  207. select SYS_SUPPORTS_MTU2
  208. config CPU_SUBTYPE_MXG
  209. bool "Support MX-G processor"
  210. select CPU_SH2A
  211. select SYS_SUPPORTS_MTU2
  212. help
  213. Select MX-G if running on an R8A03022BG part.
  214. # SH-3 Processor Support
  215. config CPU_SUBTYPE_SH7705
  216. bool "Support SH7705 processor"
  217. select CPU_SH3
  218. config CPU_SUBTYPE_SH7706
  219. bool "Support SH7706 processor"
  220. select CPU_SH3
  221. help
  222. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  223. config CPU_SUBTYPE_SH7707
  224. bool "Support SH7707 processor"
  225. select CPU_SH3
  226. help
  227. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  228. config CPU_SUBTYPE_SH7708
  229. bool "Support SH7708 processor"
  230. select CPU_SH3
  231. help
  232. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  233. if you have a 100 Mhz SH-3 HD6417708R CPU.
  234. config CPU_SUBTYPE_SH7709
  235. bool "Support SH7709 processor"
  236. select CPU_SH3
  237. help
  238. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  239. config CPU_SUBTYPE_SH7710
  240. bool "Support SH7710 processor"
  241. select CPU_SH3
  242. select CPU_HAS_DSP
  243. help
  244. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  245. config CPU_SUBTYPE_SH7712
  246. bool "Support SH7712 processor"
  247. select CPU_SH3
  248. select CPU_HAS_DSP
  249. help
  250. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  251. config CPU_SUBTYPE_SH7720
  252. bool "Support SH7720 processor"
  253. select CPU_SH3
  254. select CPU_HAS_DSP
  255. select SYS_SUPPORTS_CMT
  256. help
  257. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  258. config CPU_SUBTYPE_SH7721
  259. bool "Support SH7721 processor"
  260. select CPU_SH3
  261. select CPU_HAS_DSP
  262. select SYS_SUPPORTS_CMT
  263. help
  264. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  265. # SH-4 Processor Support
  266. config CPU_SUBTYPE_SH7750
  267. bool "Support SH7750 processor"
  268. select CPU_SH4
  269. help
  270. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  271. config CPU_SUBTYPE_SH7091
  272. bool "Support SH7091 processor"
  273. select CPU_SH4
  274. help
  275. Select SH7091 if you have an SH-4 based Sega device (such as
  276. the Dreamcast, Naomi, and Naomi 2).
  277. config CPU_SUBTYPE_SH7750R
  278. bool "Support SH7750R processor"
  279. select CPU_SH4
  280. config CPU_SUBTYPE_SH7750S
  281. bool "Support SH7750S processor"
  282. select CPU_SH4
  283. config CPU_SUBTYPE_SH7751
  284. bool "Support SH7751 processor"
  285. select CPU_SH4
  286. help
  287. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  288. or if you have a HD6417751R CPU.
  289. config CPU_SUBTYPE_SH7751R
  290. bool "Support SH7751R processor"
  291. select CPU_SH4
  292. config CPU_SUBTYPE_SH7760
  293. bool "Support SH7760 processor"
  294. select CPU_SH4
  295. config CPU_SUBTYPE_SH4_202
  296. bool "Support SH4-202 processor"
  297. select CPU_SH4
  298. # SH-4A Processor Support
  299. config CPU_SUBTYPE_SH7723
  300. bool "Support SH7723 processor"
  301. select CPU_SH4A
  302. select CPU_SHX2
  303. select ARCH_SHMOBILE
  304. select ARCH_SPARSEMEM_ENABLE
  305. select SYS_SUPPORTS_CMT
  306. help
  307. Select SH7723 if you have an SH-MobileR2 CPU.
  308. config CPU_SUBTYPE_SH7724
  309. bool "Support SH7724 processor"
  310. select CPU_SH4A
  311. select CPU_SHX2
  312. select ARCH_SHMOBILE
  313. select ARCH_SPARSEMEM_ENABLE
  314. select SYS_SUPPORTS_CMT
  315. help
  316. Select SH7724 if you have an SH-MobileR2R CPU.
  317. config CPU_SUBTYPE_SH7757
  318. bool "Support SH7757 processor"
  319. select CPU_SH4A
  320. select CPU_SHX2
  321. help
  322. Select SH7757 if you have a SH4A SH7757 CPU.
  323. config CPU_SUBTYPE_SH7763
  324. bool "Support SH7763 processor"
  325. select CPU_SH4A
  326. help
  327. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  328. config CPU_SUBTYPE_SH7770
  329. bool "Support SH7770 processor"
  330. select CPU_SH4A
  331. config CPU_SUBTYPE_SH7780
  332. bool "Support SH7780 processor"
  333. select CPU_SH4A
  334. config CPU_SUBTYPE_SH7785
  335. bool "Support SH7785 processor"
  336. select CPU_SH4A
  337. select CPU_SHX2
  338. select ARCH_SPARSEMEM_ENABLE
  339. select SYS_SUPPORTS_NUMA
  340. config CPU_SUBTYPE_SH7786
  341. bool "Support SH7786 processor"
  342. select CPU_SH4A
  343. select CPU_SHX3
  344. select CPU_HAS_PTEAEX
  345. select ARCH_SPARSEMEM_ENABLE
  346. select SYS_SUPPORTS_NUMA
  347. select SYS_SUPPORTS_SMP
  348. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  349. config CPU_SUBTYPE_SHX3
  350. bool "Support SH-X3 processor"
  351. select CPU_SH4A
  352. select CPU_SHX3
  353. select ARCH_SPARSEMEM_ENABLE
  354. select SYS_SUPPORTS_NUMA
  355. select SYS_SUPPORTS_SMP
  356. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  357. # SH4AL-DSP Processor Support
  358. config CPU_SUBTYPE_SH7343
  359. bool "Support SH7343 processor"
  360. select CPU_SH4AL_DSP
  361. select ARCH_SHMOBILE
  362. select SYS_SUPPORTS_CMT
  363. config CPU_SUBTYPE_SH7722
  364. bool "Support SH7722 processor"
  365. select CPU_SH4AL_DSP
  366. select CPU_SHX2
  367. select ARCH_SHMOBILE
  368. select ARCH_SPARSEMEM_ENABLE
  369. select SYS_SUPPORTS_NUMA
  370. select SYS_SUPPORTS_CMT
  371. config CPU_SUBTYPE_SH7366
  372. bool "Support SH7366 processor"
  373. select CPU_SH4AL_DSP
  374. select CPU_SHX2
  375. select ARCH_SHMOBILE
  376. select ARCH_SPARSEMEM_ENABLE
  377. select SYS_SUPPORTS_NUMA
  378. select SYS_SUPPORTS_CMT
  379. endchoice
  380. endif
  381. if SUPERH64
  382. choice
  383. prompt "Processor sub-type selection"
  384. # SH-5 Processor Support
  385. config CPU_SUBTYPE_SH5_101
  386. bool "Support SH5-101 processor"
  387. select CPU_SH5
  388. config CPU_SUBTYPE_SH5_103
  389. bool "Support SH5-103 processor"
  390. select CPU_SH5
  391. endchoice
  392. endif
  393. source "arch/sh/mm/Kconfig"
  394. source "arch/sh/Kconfig.cpu"
  395. source "arch/sh/boards/Kconfig"
  396. menu "Timer and clock configuration"
  397. config SH_TIMER_TMU
  398. bool "TMU timer driver"
  399. depends on SYS_SUPPORTS_TMU
  400. default y
  401. help
  402. This enables the build of the TMU timer driver.
  403. config SH_TIMER_CMT
  404. bool "CMT timer driver"
  405. depends on SYS_SUPPORTS_CMT
  406. default y
  407. help
  408. This enables build of the CMT timer driver.
  409. config SH_TIMER_MTU2
  410. bool "MTU2 timer driver"
  411. depends on SYS_SUPPORTS_MTU2
  412. default y
  413. help
  414. This enables build of the MTU2 timer driver.
  415. config SH_PCLK_FREQ
  416. int "Peripheral clock frequency (in Hz)"
  417. default "27000000" if CPU_SUBTYPE_SH7343
  418. default "31250000" if CPU_SUBTYPE_SH7619
  419. default "32000000" if CPU_SUBTYPE_SH7722
  420. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  421. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  422. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  423. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
  424. CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
  425. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  426. default "66000000" if CPU_SUBTYPE_SH4_202
  427. default "50000000"
  428. help
  429. This option is used to specify the peripheral clock frequency.
  430. This is necessary for determining the reference clock value on
  431. platforms lacking an RTC.
  432. config SH_CLK_CPG
  433. def_bool y
  434. config SH_CLK_CPG_LEGACY
  435. depends on SH_CLK_CPG
  436. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE
  437. config SH_CLK_MD
  438. int "CPU Mode Pin Setting"
  439. depends on CPU_SH2
  440. default 6 if CPU_SUBTYPE_SH7206
  441. default 5 if CPU_SUBTYPE_SH7619
  442. default 0
  443. help
  444. MD2 - MD0 pin setting.
  445. source "kernel/time/Kconfig"
  446. endmenu
  447. menu "CPU Frequency scaling"
  448. source "drivers/cpufreq/Kconfig"
  449. config SH_CPU_FREQ
  450. tristate "SuperH CPU Frequency driver"
  451. depends on CPU_FREQ
  452. select CPU_FREQ_TABLE
  453. help
  454. This adds the cpufreq driver for SuperH. Any CPU that supports
  455. clock rate rounding through the clock framework can use this
  456. driver. While it will make the kernel slightly larger, this is
  457. harmless for CPUs that don't support rate rounding. The driver
  458. will also generate a notice in the boot log before disabling
  459. itself if the CPU in question is not capable of rate rounding.
  460. For details, take a look at <file:Documentation/cpu-freq>.
  461. If unsure, say N.
  462. endmenu
  463. source "arch/sh/drivers/Kconfig"
  464. endmenu
  465. menu "Kernel features"
  466. source kernel/Kconfig.hz
  467. config KEXEC
  468. bool "kexec system call (EXPERIMENTAL)"
  469. depends on SUPERH32 && EXPERIMENTAL && MMU
  470. help
  471. kexec is a system call that implements the ability to shutdown your
  472. current kernel, and to start another kernel. It is like a reboot
  473. but it is independent of the system firmware. And like a reboot
  474. you can start any kernel with it, not just Linux.
  475. The name comes from the similarity to the exec system call.
  476. It is an ongoing process to be certain the hardware in a machine
  477. is properly shutdown, so do not be surprised if this code does not
  478. initially work for you. It may help to enable device hotplugging
  479. support. As of this writing the exact hardware interface is
  480. strongly in flux, so no good recommendation can be made.
  481. config CRASH_DUMP
  482. bool "kernel crash dumps (EXPERIMENTAL)"
  483. depends on SUPERH32 && EXPERIMENTAL
  484. help
  485. Generate crash dump after being started by kexec.
  486. This should be normally only set in special crash dump kernels
  487. which are loaded in the main kernel with kexec-tools into
  488. a specially reserved region and then later executed after
  489. a crash by kdump/kexec. The crash dump kernel must be compiled
  490. to a memory address not used by the main kernel using
  491. MEMORY_START.
  492. For more details see Documentation/kdump/kdump.txt
  493. config KEXEC_JUMP
  494. bool "kexec jump (EXPERIMENTAL)"
  495. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  496. help
  497. Jump between original kernel and kexeced kernel and invoke
  498. code via KEXEC
  499. config SECCOMP
  500. bool "Enable seccomp to safely compute untrusted bytecode"
  501. depends on PROC_FS
  502. help
  503. This kernel feature is useful for number crunching applications
  504. that may need to compute untrusted bytecode during their
  505. execution. By using pipes or other transports made available to
  506. the process as file descriptors supporting the read/write
  507. syscalls, it's possible to isolate those applications in
  508. their own address space using seccomp. Once seccomp is
  509. enabled via prctl, it cannot be disabled and the task is only
  510. allowed to execute a few safe syscalls defined by each seccomp
  511. mode.
  512. If unsure, say N.
  513. config SMP
  514. bool "Symmetric multi-processing support"
  515. depends on SYS_SUPPORTS_SMP
  516. select USE_GENERIC_SMP_HELPERS
  517. ---help---
  518. This enables support for systems with more than one CPU. If you have
  519. a system with only one CPU, like most personal computers, say N. If
  520. you have a system with more than one CPU, say Y.
  521. If you say N here, the kernel will run on single and multiprocessor
  522. machines, but will use only one CPU of a multiprocessor machine. If
  523. you say Y here, the kernel will run on many, but not all,
  524. singleprocessor machines. On a singleprocessor machine, the kernel
  525. will run faster if you say N here.
  526. People using multiprocessor machines who say Y here should also say
  527. Y to "Enhanced Real Time Clock Support", below.
  528. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  529. available at <http://www.tldp.org/docs.html#howto>.
  530. If you don't know what to do here, say N.
  531. config NR_CPUS
  532. int "Maximum number of CPUs (2-32)"
  533. range 2 32
  534. depends on SMP
  535. default "4" if CPU_SUBTYPE_SHX3
  536. default "2"
  537. help
  538. This allows you to specify the maximum number of CPUs which this
  539. kernel will support. The maximum supported value is 32 and the
  540. minimum value which makes sense is 2.
  541. This is purely to save memory - each supported CPU adds
  542. approximately eight kilobytes to the kernel image.
  543. source "kernel/Kconfig.preempt"
  544. config GUSA
  545. def_bool y
  546. depends on !SMP && SUPERH32
  547. help
  548. This enables support for gUSA (general UserSpace Atomicity).
  549. This is the default implementation for both UP and non-ll/sc
  550. CPUs, and is used by the libc, amongst others.
  551. For additional information, design information can be found
  552. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  553. This should only be disabled for special cases where alternate
  554. atomicity implementations exist.
  555. config GUSA_RB
  556. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  557. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  558. help
  559. Enabling this option will allow the kernel to implement some
  560. atomic operations using a software implementation of load-locked/
  561. store-conditional (LLSC). On machines which do not have hardware
  562. LLSC, this should be more efficient than the other alternative of
  563. disabling interrupts around the atomic sequence.
  564. config SPARSE_IRQ
  565. bool "Support sparse irq numbering"
  566. depends on EXPERIMENTAL
  567. help
  568. This enables support for sparse irqs. This is useful in general
  569. as most CPUs have a fairly sparse array of IRQ vectors, which
  570. the irq_desc then maps directly on to. Systems with a high
  571. number of off-chip IRQs will want to treat this as
  572. experimental until they have been independently verified.
  573. If you don't know what to do here, say N.
  574. endmenu
  575. menu "Boot options"
  576. config ZERO_PAGE_OFFSET
  577. hex
  578. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  579. SH_7751_SOLUTION_ENGINE
  580. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  581. default "0x00002000" if PAGE_SIZE_8KB
  582. default "0x00001000"
  583. help
  584. This sets the default offset of zero page.
  585. config BOOT_LINK_OFFSET
  586. hex
  587. default "0x00210000" if SH_SHMIN
  588. default "0x00400000" if SH_CAYMAN
  589. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  590. default "0x009e0000" if SH_TITAN
  591. default "0x01800000" if SH_SDK7780
  592. default "0x02000000" if SH_EDOSK7760
  593. default "0x00800000"
  594. help
  595. This option allows you to set the link address offset of the zImage.
  596. This can be useful if you are on a board which has a small amount of
  597. memory.
  598. config ENTRY_OFFSET
  599. hex
  600. default "0x00001000" if PAGE_SIZE_4KB
  601. default "0x00002000" if PAGE_SIZE_8KB
  602. default "0x00004000" if PAGE_SIZE_16KB
  603. default "0x00010000" if PAGE_SIZE_64KB
  604. default "0x00000000"
  605. config UBC_WAKEUP
  606. bool "Wakeup UBC on startup"
  607. depends on CPU_SH4 && !CPU_SH4A
  608. help
  609. Selecting this option will wakeup the User Break Controller (UBC) on
  610. startup. Although the UBC is left in an awake state when the processor
  611. comes up, some boot loaders misbehave by putting the UBC to sleep in a
  612. power saving state, which causes issues with things like ptrace().
  613. If unsure, say N.
  614. choice
  615. prompt "Kernel command line"
  616. optional
  617. default CMDLINE_OVERWRITE
  618. help
  619. Setting this option allows the kernel command line arguments
  620. to be set.
  621. config CMDLINE_OVERWRITE
  622. bool "Overwrite bootloader kernel arguments"
  623. help
  624. Given string will overwrite any arguments passed in by
  625. a bootloader.
  626. config CMDLINE_EXTEND
  627. bool "Extend bootloader kernel arguments"
  628. help
  629. Given string will be concatenated with arguments passed in
  630. by a bootloader.
  631. endchoice
  632. config CMDLINE
  633. string "Kernel command line arguments string"
  634. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  635. default "console=ttySC1,115200"
  636. endmenu
  637. menu "Bus options"
  638. config SUPERHYWAY
  639. tristate "SuperHyway Bus support"
  640. depends on CPU_SUBTYPE_SH4_202
  641. config MAPLE
  642. bool "Maple Bus support"
  643. depends on SH_DREAMCAST
  644. help
  645. The Maple Bus is SEGA's serial communication bus for peripherals
  646. on the Dreamcast. Without this bus support you won't be able to
  647. get your Dreamcast keyboard etc to work, so most users
  648. probably want to say 'Y' here, unless you are only using the
  649. Dreamcast with a serial line terminal or a remote network
  650. connection.
  651. source "arch/sh/drivers/pci/Kconfig"
  652. source "drivers/pci/pcie/Kconfig"
  653. source "drivers/pci/Kconfig"
  654. source "drivers/pcmcia/Kconfig"
  655. source "drivers/pci/hotplug/Kconfig"
  656. endmenu
  657. menu "Executable file formats"
  658. source "fs/Kconfig.binfmt"
  659. endmenu
  660. menu "Power management options (EXPERIMENTAL)"
  661. depends on EXPERIMENTAL
  662. source "kernel/power/Kconfig"
  663. source "drivers/cpuidle/Kconfig"
  664. endmenu
  665. source "net/Kconfig"
  666. source "drivers/Kconfig"
  667. source "fs/Kconfig"
  668. source "arch/sh/Kconfig.debug"
  669. source "security/Kconfig"
  670. source "crypto/Kconfig"
  671. source "lib/Kconfig"