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_COUNTERS
  18. select HAVE_KERNEL_GZIP
  19. select HAVE_KERNEL_BZIP2
  20. select HAVE_KERNEL_LZMA
  21. select RTC_LIB
  22. select GENERIC_ATOMIC64
  23. help
  24. The SuperH is a RISC processor targeted for use in embedded systems
  25. and consumer electronics; it was also used in the Sega Dreamcast
  26. gaming console. The SuperH port has a home page at
  27. <http://www.linux-sh.org/>.
  28. config SUPERH32
  29. def_bool ARCH = "sh"
  30. select HAVE_KPROBES
  31. select HAVE_KRETPROBES
  32. select HAVE_FUNCTION_TRACER
  33. select HAVE_FTRACE_MCOUNT_RECORD
  34. select HAVE_DYNAMIC_FTRACE
  35. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  36. select HAVE_FTRACE_SYSCALLS
  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_SMP
  97. bool
  98. config SYS_SUPPORTS_NUMA
  99. bool
  100. config SYS_SUPPORTS_PCI
  101. bool
  102. config SYS_SUPPORTS_CMT
  103. bool
  104. config SYS_SUPPORTS_MTU2
  105. bool
  106. config SYS_SUPPORTS_TMU
  107. bool
  108. config STACKTRACE_SUPPORT
  109. def_bool y
  110. config LOCKDEP_SUPPORT
  111. def_bool y
  112. config HAVE_LATENCYTOP_SUPPORT
  113. def_bool y
  114. depends on !SMP
  115. config ARCH_HAS_ILOG2_U32
  116. def_bool n
  117. config ARCH_HAS_ILOG2_U64
  118. def_bool n
  119. config ARCH_NO_VIRT_TO_BUS
  120. def_bool y
  121. config ARCH_HAS_DEFAULT_IDLE
  122. def_bool y
  123. config ARCH_HAS_CPU_IDLE_WAIT
  124. def_bool y
  125. config IO_TRAPPED
  126. bool
  127. source "init/Kconfig"
  128. source "kernel/Kconfig.freezer"
  129. menu "System type"
  130. #
  131. # Processor families
  132. #
  133. config CPU_SH2
  134. bool
  135. config CPU_SH2A
  136. bool
  137. select CPU_SH2
  138. config CPU_SH3
  139. bool
  140. select CPU_HAS_INTEVT
  141. select CPU_HAS_SR_RB
  142. select SYS_SUPPORTS_TMU
  143. config CPU_SH4
  144. bool
  145. select CPU_HAS_INTEVT
  146. select CPU_HAS_SR_RB
  147. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  148. select SYS_SUPPORTS_TMU
  149. config CPU_SH4A
  150. bool
  151. select CPU_SH4
  152. config CPU_SH4AL_DSP
  153. bool
  154. select CPU_SH4A
  155. select CPU_HAS_DSP
  156. config CPU_SH5
  157. bool
  158. select CPU_HAS_FPU
  159. select SYS_SUPPORTS_TMU
  160. config CPU_SHX2
  161. bool
  162. config CPU_SHX3
  163. bool
  164. config ARCH_SHMOBILE
  165. bool
  166. select ARCH_SUSPEND_POSSIBLE
  167. if SUPERH32
  168. choice
  169. prompt "Processor sub-type selection"
  170. #
  171. # Processor subtypes
  172. #
  173. # SH-2 Processor Support
  174. config CPU_SUBTYPE_SH7619
  175. bool "Support SH7619 processor"
  176. select CPU_SH2
  177. select SYS_SUPPORTS_CMT
  178. # SH-2A Processor Support
  179. config CPU_SUBTYPE_SH7201
  180. bool "Support SH7201 processor"
  181. select CPU_SH2A
  182. select CPU_HAS_FPU
  183. select SYS_SUPPORTS_MTU2
  184. config CPU_SUBTYPE_SH7203
  185. bool "Support SH7203 processor"
  186. select CPU_SH2A
  187. select CPU_HAS_FPU
  188. select SYS_SUPPORTS_CMT
  189. select SYS_SUPPORTS_MTU2
  190. config CPU_SUBTYPE_SH7206
  191. bool "Support SH7206 processor"
  192. select CPU_SH2A
  193. select SYS_SUPPORTS_CMT
  194. select SYS_SUPPORTS_MTU2
  195. config CPU_SUBTYPE_SH7263
  196. bool "Support SH7263 processor"
  197. select CPU_SH2A
  198. select CPU_HAS_FPU
  199. select SYS_SUPPORTS_CMT
  200. select SYS_SUPPORTS_MTU2
  201. config CPU_SUBTYPE_MXG
  202. bool "Support MX-G processor"
  203. select CPU_SH2A
  204. select SYS_SUPPORTS_MTU2
  205. help
  206. Select MX-G if running on an R8A03022BG part.
  207. # SH-3 Processor Support
  208. config CPU_SUBTYPE_SH7705
  209. bool "Support SH7705 processor"
  210. select CPU_SH3
  211. config CPU_SUBTYPE_SH7706
  212. bool "Support SH7706 processor"
  213. select CPU_SH3
  214. help
  215. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  216. config CPU_SUBTYPE_SH7707
  217. bool "Support SH7707 processor"
  218. select CPU_SH3
  219. help
  220. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  221. config CPU_SUBTYPE_SH7708
  222. bool "Support SH7708 processor"
  223. select CPU_SH3
  224. help
  225. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  226. if you have a 100 Mhz SH-3 HD6417708R CPU.
  227. config CPU_SUBTYPE_SH7709
  228. bool "Support SH7709 processor"
  229. select CPU_SH3
  230. help
  231. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  232. config CPU_SUBTYPE_SH7710
  233. bool "Support SH7710 processor"
  234. select CPU_SH3
  235. select CPU_HAS_DSP
  236. help
  237. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  238. config CPU_SUBTYPE_SH7712
  239. bool "Support SH7712 processor"
  240. select CPU_SH3
  241. select CPU_HAS_DSP
  242. help
  243. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  244. config CPU_SUBTYPE_SH7720
  245. bool "Support SH7720 processor"
  246. select CPU_SH3
  247. select CPU_HAS_DSP
  248. select SYS_SUPPORTS_CMT
  249. help
  250. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  251. config CPU_SUBTYPE_SH7721
  252. bool "Support SH7721 processor"
  253. select CPU_SH3
  254. select CPU_HAS_DSP
  255. select SYS_SUPPORTS_CMT
  256. help
  257. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  258. # SH-4 Processor Support
  259. config CPU_SUBTYPE_SH7750
  260. bool "Support SH7750 processor"
  261. select CPU_SH4
  262. help
  263. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  264. config CPU_SUBTYPE_SH7091
  265. bool "Support SH7091 processor"
  266. select CPU_SH4
  267. help
  268. Select SH7091 if you have an SH-4 based Sega device (such as
  269. the Dreamcast, Naomi, and Naomi 2).
  270. config CPU_SUBTYPE_SH7750R
  271. bool "Support SH7750R processor"
  272. select CPU_SH4
  273. config CPU_SUBTYPE_SH7750S
  274. bool "Support SH7750S processor"
  275. select CPU_SH4
  276. config CPU_SUBTYPE_SH7751
  277. bool "Support SH7751 processor"
  278. select CPU_SH4
  279. help
  280. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  281. or if you have a HD6417751R CPU.
  282. config CPU_SUBTYPE_SH7751R
  283. bool "Support SH7751R processor"
  284. select CPU_SH4
  285. config CPU_SUBTYPE_SH7760
  286. bool "Support SH7760 processor"
  287. select CPU_SH4
  288. config CPU_SUBTYPE_SH4_202
  289. bool "Support SH4-202 processor"
  290. select CPU_SH4
  291. # SH-4A Processor Support
  292. config CPU_SUBTYPE_SH7723
  293. bool "Support SH7723 processor"
  294. select CPU_SH4A
  295. select CPU_SHX2
  296. select ARCH_SHMOBILE
  297. select ARCH_SPARSEMEM_ENABLE
  298. select SYS_SUPPORTS_CMT
  299. help
  300. Select SH7723 if you have an SH-MobileR2 CPU.
  301. config CPU_SUBTYPE_SH7724
  302. bool "Support SH7724 processor"
  303. select CPU_SH4A
  304. select CPU_SHX2
  305. select ARCH_SHMOBILE
  306. select ARCH_SPARSEMEM_ENABLE
  307. select SYS_SUPPORTS_CMT
  308. help
  309. Select SH7724 if you have an SH-MobileR2R CPU.
  310. config CPU_SUBTYPE_SH7757
  311. bool "Support SH7757 processor"
  312. select CPU_SH4A
  313. select CPU_SHX2
  314. help
  315. Select SH7757 if you have a SH4A SH7757 CPU.
  316. config CPU_SUBTYPE_SH7763
  317. bool "Support SH7763 processor"
  318. select CPU_SH4A
  319. help
  320. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  321. config CPU_SUBTYPE_SH7770
  322. bool "Support SH7770 processor"
  323. select CPU_SH4A
  324. config CPU_SUBTYPE_SH7780
  325. bool "Support SH7780 processor"
  326. select CPU_SH4A
  327. config CPU_SUBTYPE_SH7785
  328. bool "Support SH7785 processor"
  329. select CPU_SH4A
  330. select CPU_SHX2
  331. select ARCH_SPARSEMEM_ENABLE
  332. select SYS_SUPPORTS_NUMA
  333. config CPU_SUBTYPE_SH7786
  334. bool "Support SH7786 processor"
  335. select CPU_SH4A
  336. select CPU_SHX3
  337. select CPU_HAS_PTEAEX
  338. select ARCH_SPARSEMEM_ENABLE
  339. select SYS_SUPPORTS_NUMA
  340. select SYS_SUPPORTS_SMP
  341. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  342. config CPU_SUBTYPE_SHX3
  343. bool "Support SH-X3 processor"
  344. select CPU_SH4A
  345. select CPU_SHX3
  346. select ARCH_SPARSEMEM_ENABLE
  347. select SYS_SUPPORTS_NUMA
  348. select SYS_SUPPORTS_SMP
  349. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  350. # SH4AL-DSP Processor Support
  351. config CPU_SUBTYPE_SH7343
  352. bool "Support SH7343 processor"
  353. select CPU_SH4AL_DSP
  354. select ARCH_SHMOBILE
  355. select SYS_SUPPORTS_CMT
  356. config CPU_SUBTYPE_SH7722
  357. bool "Support SH7722 processor"
  358. select CPU_SH4AL_DSP
  359. select CPU_SHX2
  360. select ARCH_SHMOBILE
  361. select ARCH_SPARSEMEM_ENABLE
  362. select SYS_SUPPORTS_NUMA
  363. select SYS_SUPPORTS_CMT
  364. config CPU_SUBTYPE_SH7366
  365. bool "Support SH7366 processor"
  366. select CPU_SH4AL_DSP
  367. select CPU_SHX2
  368. select ARCH_SHMOBILE
  369. select ARCH_SPARSEMEM_ENABLE
  370. select SYS_SUPPORTS_NUMA
  371. select SYS_SUPPORTS_CMT
  372. endchoice
  373. endif
  374. if SUPERH64
  375. choice
  376. prompt "Processor sub-type selection"
  377. # SH-5 Processor Support
  378. config CPU_SUBTYPE_SH5_101
  379. bool "Support SH5-101 processor"
  380. select CPU_SH5
  381. config CPU_SUBTYPE_SH5_103
  382. bool "Support SH5-103 processor"
  383. select CPU_SH5
  384. endchoice
  385. endif
  386. source "arch/sh/mm/Kconfig"
  387. source "arch/sh/Kconfig.cpu"
  388. source "arch/sh/boards/Kconfig"
  389. menu "Timer and clock configuration"
  390. config SH_TIMER_TMU
  391. bool "TMU timer driver"
  392. depends on SYS_SUPPORTS_TMU
  393. default y
  394. help
  395. This enables the build of the TMU timer driver.
  396. config SH_TIMER_CMT
  397. bool "CMT timer driver"
  398. depends on SYS_SUPPORTS_CMT
  399. default y
  400. help
  401. This enables build of the CMT timer driver.
  402. config SH_TIMER_MTU2
  403. bool "MTU2 timer driver"
  404. depends on SYS_SUPPORTS_MTU2
  405. default y
  406. help
  407. This enables build of the MTU2 timer driver.
  408. config SH_PCLK_FREQ
  409. int "Peripheral clock frequency (in Hz)"
  410. default "27000000" if CPU_SUBTYPE_SH7343
  411. default "31250000" if CPU_SUBTYPE_SH7619
  412. default "32000000" if CPU_SUBTYPE_SH7722
  413. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  414. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  415. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  416. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
  417. CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
  418. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  419. default "66000000" if CPU_SUBTYPE_SH4_202
  420. default "50000000"
  421. help
  422. This option is used to specify the peripheral clock frequency.
  423. This is necessary for determining the reference clock value on
  424. platforms lacking an RTC.
  425. config SH_CLK_CPG
  426. def_bool y
  427. config SH_CLK_CPG_LEGACY
  428. depends on SH_CLK_CPG
  429. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE
  430. config SH_CLK_MD
  431. int "CPU Mode Pin Setting"
  432. depends on CPU_SH2
  433. default 6 if CPU_SUBTYPE_SH7206
  434. default 5 if CPU_SUBTYPE_SH7619
  435. default 0
  436. help
  437. MD2 - MD0 pin setting.
  438. source "kernel/time/Kconfig"
  439. endmenu
  440. menu "CPU Frequency scaling"
  441. source "drivers/cpufreq/Kconfig"
  442. config SH_CPU_FREQ
  443. tristate "SuperH CPU Frequency driver"
  444. depends on CPU_FREQ
  445. select CPU_FREQ_TABLE
  446. help
  447. This adds the cpufreq driver for SuperH. Any CPU that supports
  448. clock rate rounding through the clock framework can use this
  449. driver. While it will make the kernel slightly larger, this is
  450. harmless for CPUs that don't support rate rounding. The driver
  451. will also generate a notice in the boot log before disabling
  452. itself if the CPU in question is not capable of rate rounding.
  453. For details, take a look at <file:Documentation/cpu-freq>.
  454. If unsure, say N.
  455. endmenu
  456. source "arch/sh/drivers/Kconfig"
  457. endmenu
  458. menu "Kernel features"
  459. source kernel/Kconfig.hz
  460. config KEXEC
  461. bool "kexec system call (EXPERIMENTAL)"
  462. depends on SUPERH32 && EXPERIMENTAL && MMU
  463. help
  464. kexec is a system call that implements the ability to shutdown your
  465. current kernel, and to start another kernel. It is like a reboot
  466. but it is independent of the system firmware. And like a reboot
  467. you can start any kernel with it, not just Linux.
  468. The name comes from the similarity to the exec system call.
  469. It is an ongoing process to be certain the hardware in a machine
  470. is properly shutdown, so do not be surprised if this code does not
  471. initially work for you. It may help to enable device hotplugging
  472. support. As of this writing the exact hardware interface is
  473. strongly in flux, so no good recommendation can be made.
  474. config CRASH_DUMP
  475. bool "kernel crash dumps (EXPERIMENTAL)"
  476. depends on SUPERH32 && EXPERIMENTAL
  477. help
  478. Generate crash dump after being started by kexec.
  479. This should be normally only set in special crash dump kernels
  480. which are loaded in the main kernel with kexec-tools into
  481. a specially reserved region and then later executed after
  482. a crash by kdump/kexec. The crash dump kernel must be compiled
  483. to a memory address not used by the main kernel using
  484. MEMORY_START.
  485. For more details see Documentation/kdump/kdump.txt
  486. config KEXEC_JUMP
  487. bool "kexec jump (EXPERIMENTAL)"
  488. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  489. help
  490. Jump between original kernel and kexeced kernel and invoke
  491. code via KEXEC
  492. config SECCOMP
  493. bool "Enable seccomp to safely compute untrusted bytecode"
  494. depends on PROC_FS
  495. help
  496. This kernel feature is useful for number crunching applications
  497. that may need to compute untrusted bytecode during their
  498. execution. By using pipes or other transports made available to
  499. the process as file descriptors supporting the read/write
  500. syscalls, it's possible to isolate those applications in
  501. their own address space using seccomp. Once seccomp is
  502. enabled via prctl, it cannot be disabled and the task is only
  503. allowed to execute a few safe syscalls defined by each seccomp
  504. mode.
  505. If unsure, say N.
  506. config SMP
  507. bool "Symmetric multi-processing support"
  508. depends on SYS_SUPPORTS_SMP
  509. select USE_GENERIC_SMP_HELPERS
  510. ---help---
  511. This enables support for systems with more than one CPU. If you have
  512. a system with only one CPU, like most personal computers, say N. If
  513. you have a system with more than one CPU, say Y.
  514. If you say N here, the kernel will run on single and multiprocessor
  515. machines, but will use only one CPU of a multiprocessor machine. If
  516. you say Y here, the kernel will run on many, but not all,
  517. singleprocessor machines. On a singleprocessor machine, the kernel
  518. will run faster if you say N here.
  519. People using multiprocessor machines who say Y here should also say
  520. Y to "Enhanced Real Time Clock Support", below.
  521. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  522. available at <http://www.tldp.org/docs.html#howto>.
  523. If you don't know what to do here, say N.
  524. config NR_CPUS
  525. int "Maximum number of CPUs (2-32)"
  526. range 2 32
  527. depends on SMP
  528. default "4" if CPU_SUBTYPE_SHX3
  529. default "2"
  530. help
  531. This allows you to specify the maximum number of CPUs which this
  532. kernel will support. The maximum supported value is 32 and the
  533. minimum value which makes sense is 2.
  534. This is purely to save memory - each supported CPU adds
  535. approximately eight kilobytes to the kernel image.
  536. source "kernel/Kconfig.preempt"
  537. config GUSA
  538. def_bool y
  539. depends on !SMP && SUPERH32
  540. help
  541. This enables support for gUSA (general UserSpace Atomicity).
  542. This is the default implementation for both UP and non-ll/sc
  543. CPUs, and is used by the libc, amongst others.
  544. For additional information, design information can be found
  545. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  546. This should only be disabled for special cases where alternate
  547. atomicity implementations exist.
  548. config GUSA_RB
  549. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  550. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  551. help
  552. Enabling this option will allow the kernel to implement some
  553. atomic operations using a software implementation of load-locked/
  554. store-conditional (LLSC). On machines which do not have hardware
  555. LLSC, this should be more efficient than the other alternative of
  556. disabling interrupts around the atomic sequence.
  557. config SPARSE_IRQ
  558. bool "Support sparse irq numbering"
  559. depends on EXPERIMENTAL
  560. help
  561. This enables support for sparse irqs. This is useful in general
  562. as most CPUs have a fairly sparse array of IRQ vectors, which
  563. the irq_desc then maps directly on to. Systems with a high
  564. number of off-chip IRQs will want to treat this as
  565. experimental until they have been independently verified.
  566. If you don't know what to do here, say N.
  567. endmenu
  568. menu "Boot options"
  569. config ZERO_PAGE_OFFSET
  570. hex
  571. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  572. SH_7751_SOLUTION_ENGINE
  573. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  574. default "0x00002000" if PAGE_SIZE_8KB
  575. default "0x00001000"
  576. help
  577. This sets the default offset of zero page.
  578. config BOOT_LINK_OFFSET
  579. hex
  580. default "0x00210000" if SH_SHMIN
  581. default "0x00400000" if SH_CAYMAN
  582. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  583. default "0x009e0000" if SH_TITAN
  584. default "0x01800000" if SH_SDK7780
  585. default "0x02000000" if SH_EDOSK7760
  586. default "0x00800000"
  587. help
  588. This option allows you to set the link address offset of the zImage.
  589. This can be useful if you are on a board which has a small amount of
  590. memory.
  591. config ENTRY_OFFSET
  592. hex
  593. default "0x00001000" if PAGE_SIZE_4KB
  594. default "0x00002000" if PAGE_SIZE_8KB
  595. default "0x00004000" if PAGE_SIZE_16KB
  596. default "0x00010000" if PAGE_SIZE_64KB
  597. default "0x00000000"
  598. config UBC_WAKEUP
  599. bool "Wakeup UBC on startup"
  600. depends on CPU_SH4 && !CPU_SH4A
  601. help
  602. Selecting this option will wakeup the User Break Controller (UBC) on
  603. startup. Although the UBC is left in an awake state when the processor
  604. comes up, some boot loaders misbehave by putting the UBC to sleep in a
  605. power saving state, which causes issues with things like ptrace().
  606. If unsure, say N.
  607. config CMDLINE_BOOL
  608. bool "Default bootloader kernel arguments"
  609. config CMDLINE
  610. string "Initial kernel command string"
  611. depends on CMDLINE_BOOL
  612. default "console=ttySC1,115200"
  613. endmenu
  614. menu "Bus options"
  615. config SUPERHYWAY
  616. tristate "SuperHyway Bus support"
  617. depends on CPU_SUBTYPE_SH4_202
  618. config MAPLE
  619. bool "Maple Bus support"
  620. depends on SH_DREAMCAST
  621. help
  622. The Maple Bus is SEGA's serial communication bus for peripherals
  623. on the Dreamcast. Without this bus support you won't be able to
  624. get your Dreamcast keyboard etc to work, so most users
  625. probably want to say 'Y' here, unless you are only using the
  626. Dreamcast with a serial line terminal or a remote network
  627. connection.
  628. source "arch/sh/drivers/pci/Kconfig"
  629. source "drivers/pci/pcie/Kconfig"
  630. source "drivers/pci/Kconfig"
  631. source "drivers/pcmcia/Kconfig"
  632. source "drivers/pci/hotplug/Kconfig"
  633. endmenu
  634. menu "Executable file formats"
  635. source "fs/Kconfig.binfmt"
  636. endmenu
  637. menu "Power management options (EXPERIMENTAL)"
  638. depends on EXPERIMENTAL
  639. source "kernel/power/Kconfig"
  640. source "drivers/cpuidle/Kconfig"
  641. endmenu
  642. source "net/Kconfig"
  643. source "drivers/Kconfig"
  644. source "fs/Kconfig"
  645. source "arch/sh/Kconfig.debug"
  646. source "security/Kconfig"
  647. source "crypto/Kconfig"
  648. source "lib/Kconfig"