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 GENERIC_IRQ_PROBE
  71. def_bool y
  72. config IRQ_PER_CPU
  73. def_bool y
  74. config GENERIC_GPIO
  75. def_bool n
  76. config GENERIC_CALIBRATE_DELAY
  77. bool
  78. config GENERIC_IOMAP
  79. bool
  80. config GENERIC_TIME
  81. def_bool y
  82. config GENERIC_CLOCKEVENTS
  83. def_bool y
  84. config GENERIC_CLOCKEVENTS_BROADCAST
  85. bool
  86. config GENERIC_CMOS_UPDATE
  87. def_bool y
  88. depends on SH_SH03 || SH_DREAMCAST
  89. config GENERIC_LOCKBREAK
  90. def_bool y
  91. depends on SMP && PREEMPT
  92. config SYS_SUPPORTS_PM
  93. bool
  94. depends on !SMP
  95. config ARCH_SUSPEND_POSSIBLE
  96. def_bool n
  97. config ARCH_HIBERNATION_POSSIBLE
  98. def_bool n
  99. config SYS_SUPPORTS_APM_EMULATION
  100. bool
  101. select ARCH_SUSPEND_POSSIBLE
  102. config SYS_SUPPORTS_HUGETLBFS
  103. bool
  104. config SYS_SUPPORTS_SMP
  105. bool
  106. config SYS_SUPPORTS_NUMA
  107. bool
  108. config SYS_SUPPORTS_PCI
  109. bool
  110. config SYS_SUPPORTS_CMT
  111. bool
  112. config SYS_SUPPORTS_MTU2
  113. bool
  114. config SYS_SUPPORTS_TMU
  115. bool
  116. config STACKTRACE_SUPPORT
  117. def_bool y
  118. config LOCKDEP_SUPPORT
  119. def_bool y
  120. config HAVE_LATENCYTOP_SUPPORT
  121. def_bool y
  122. depends on !SMP
  123. config ARCH_HAS_ILOG2_U32
  124. def_bool n
  125. config ARCH_HAS_ILOG2_U64
  126. def_bool n
  127. config ARCH_NO_VIRT_TO_BUS
  128. def_bool y
  129. config ARCH_HAS_DEFAULT_IDLE
  130. def_bool y
  131. config ARCH_HAS_CPU_IDLE_WAIT
  132. def_bool y
  133. config IO_TRAPPED
  134. bool
  135. config DMA_COHERENT
  136. bool
  137. config DMA_NONCOHERENT
  138. def_bool !DMA_COHERENT
  139. source "init/Kconfig"
  140. source "kernel/Kconfig.freezer"
  141. menu "System type"
  142. #
  143. # Processor families
  144. #
  145. config CPU_SH2
  146. bool
  147. config CPU_SH2A
  148. bool
  149. select CPU_SH2
  150. config CPU_SH3
  151. bool
  152. select CPU_HAS_INTEVT
  153. select CPU_HAS_SR_RB
  154. select SYS_SUPPORTS_TMU
  155. config CPU_SH4
  156. bool
  157. select CPU_HAS_INTEVT
  158. select CPU_HAS_SR_RB
  159. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  160. select SYS_SUPPORTS_TMU
  161. select SYS_SUPPORTS_HUGETLBFS if MMU
  162. config CPU_SH4A
  163. bool
  164. select CPU_SH4
  165. config CPU_SH4AL_DSP
  166. bool
  167. select CPU_SH4A
  168. select CPU_HAS_DSP
  169. config CPU_SH5
  170. bool
  171. select CPU_HAS_FPU
  172. select SYS_SUPPORTS_TMU
  173. select SYS_SUPPORTS_HUGETLBFS if MMU
  174. config CPU_SHX2
  175. bool
  176. config CPU_SHX3
  177. bool
  178. select DMA_COHERENT
  179. config ARCH_SHMOBILE
  180. bool
  181. select ARCH_SUSPEND_POSSIBLE
  182. select PM
  183. select PM_RUNTIME
  184. if SUPERH32
  185. choice
  186. prompt "Processor sub-type selection"
  187. #
  188. # Processor subtypes
  189. #
  190. # SH-2 Processor Support
  191. config CPU_SUBTYPE_SH7619
  192. bool "Support SH7619 processor"
  193. select CPU_SH2
  194. select SYS_SUPPORTS_CMT
  195. # SH-2A Processor Support
  196. config CPU_SUBTYPE_SH7201
  197. bool "Support SH7201 processor"
  198. select CPU_SH2A
  199. select CPU_HAS_FPU
  200. select SYS_SUPPORTS_MTU2
  201. config CPU_SUBTYPE_SH7203
  202. bool "Support SH7203 processor"
  203. select CPU_SH2A
  204. select CPU_HAS_FPU
  205. select SYS_SUPPORTS_CMT
  206. select SYS_SUPPORTS_MTU2
  207. config CPU_SUBTYPE_SH7206
  208. bool "Support SH7206 processor"
  209. select CPU_SH2A
  210. select SYS_SUPPORTS_CMT
  211. select SYS_SUPPORTS_MTU2
  212. config CPU_SUBTYPE_SH7263
  213. bool "Support SH7263 processor"
  214. select CPU_SH2A
  215. select CPU_HAS_FPU
  216. select SYS_SUPPORTS_CMT
  217. select SYS_SUPPORTS_MTU2
  218. config CPU_SUBTYPE_MXG
  219. bool "Support MX-G processor"
  220. select CPU_SH2A
  221. select SYS_SUPPORTS_MTU2
  222. help
  223. Select MX-G if running on an R8A03022BG part.
  224. # SH-3 Processor Support
  225. config CPU_SUBTYPE_SH7705
  226. bool "Support SH7705 processor"
  227. select CPU_SH3
  228. config CPU_SUBTYPE_SH7706
  229. bool "Support SH7706 processor"
  230. select CPU_SH3
  231. help
  232. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  233. config CPU_SUBTYPE_SH7707
  234. bool "Support SH7707 processor"
  235. select CPU_SH3
  236. help
  237. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  238. config CPU_SUBTYPE_SH7708
  239. bool "Support SH7708 processor"
  240. select CPU_SH3
  241. help
  242. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  243. if you have a 100 Mhz SH-3 HD6417708R CPU.
  244. config CPU_SUBTYPE_SH7709
  245. bool "Support SH7709 processor"
  246. select CPU_SH3
  247. help
  248. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  249. config CPU_SUBTYPE_SH7710
  250. bool "Support SH7710 processor"
  251. select CPU_SH3
  252. select CPU_HAS_DSP
  253. help
  254. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  255. config CPU_SUBTYPE_SH7712
  256. bool "Support SH7712 processor"
  257. select CPU_SH3
  258. select CPU_HAS_DSP
  259. help
  260. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  261. config CPU_SUBTYPE_SH7720
  262. bool "Support SH7720 processor"
  263. select CPU_SH3
  264. select CPU_HAS_DSP
  265. select SYS_SUPPORTS_CMT
  266. help
  267. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  268. config CPU_SUBTYPE_SH7721
  269. bool "Support SH7721 processor"
  270. select CPU_SH3
  271. select CPU_HAS_DSP
  272. select SYS_SUPPORTS_CMT
  273. help
  274. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  275. # SH-4 Processor Support
  276. config CPU_SUBTYPE_SH7750
  277. bool "Support SH7750 processor"
  278. select CPU_SH4
  279. help
  280. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  281. config CPU_SUBTYPE_SH7091
  282. bool "Support SH7091 processor"
  283. select CPU_SH4
  284. help
  285. Select SH7091 if you have an SH-4 based Sega device (such as
  286. the Dreamcast, Naomi, and Naomi 2).
  287. config CPU_SUBTYPE_SH7750R
  288. bool "Support SH7750R processor"
  289. select CPU_SH4
  290. config CPU_SUBTYPE_SH7750S
  291. bool "Support SH7750S processor"
  292. select CPU_SH4
  293. config CPU_SUBTYPE_SH7751
  294. bool "Support SH7751 processor"
  295. select CPU_SH4
  296. help
  297. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  298. or if you have a HD6417751R CPU.
  299. config CPU_SUBTYPE_SH7751R
  300. bool "Support SH7751R processor"
  301. select CPU_SH4
  302. config CPU_SUBTYPE_SH7760
  303. bool "Support SH7760 processor"
  304. select CPU_SH4
  305. config CPU_SUBTYPE_SH4_202
  306. bool "Support SH4-202 processor"
  307. select CPU_SH4
  308. # SH-4A Processor Support
  309. config CPU_SUBTYPE_SH7723
  310. bool "Support SH7723 processor"
  311. select CPU_SH4A
  312. select CPU_SHX2
  313. select ARCH_SHMOBILE
  314. select ARCH_SPARSEMEM_ENABLE
  315. select SYS_SUPPORTS_CMT
  316. help
  317. Select SH7723 if you have an SH-MobileR2 CPU.
  318. config CPU_SUBTYPE_SH7724
  319. bool "Support SH7724 processor"
  320. select CPU_SH4A
  321. select CPU_SHX2
  322. select ARCH_SHMOBILE
  323. select ARCH_SPARSEMEM_ENABLE
  324. select SYS_SUPPORTS_CMT
  325. help
  326. Select SH7724 if you have an SH-MobileR2R CPU.
  327. config CPU_SUBTYPE_SH7757
  328. bool "Support SH7757 processor"
  329. select CPU_SH4A
  330. select CPU_SHX2
  331. help
  332. Select SH7757 if you have a SH4A SH7757 CPU.
  333. config CPU_SUBTYPE_SH7763
  334. bool "Support SH7763 processor"
  335. select CPU_SH4A
  336. help
  337. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  338. config CPU_SUBTYPE_SH7770
  339. bool "Support SH7770 processor"
  340. select CPU_SH4A
  341. config CPU_SUBTYPE_SH7780
  342. bool "Support SH7780 processor"
  343. select CPU_SH4A
  344. config CPU_SUBTYPE_SH7785
  345. bool "Support SH7785 processor"
  346. select CPU_SH4A
  347. select CPU_SHX2
  348. select ARCH_SPARSEMEM_ENABLE
  349. select SYS_SUPPORTS_NUMA
  350. config CPU_SUBTYPE_SH7786
  351. bool "Support SH7786 processor"
  352. select CPU_SH4A
  353. select CPU_SHX3
  354. select CPU_HAS_PTEAEX
  355. select ARCH_SPARSEMEM_ENABLE
  356. select SYS_SUPPORTS_NUMA
  357. select SYS_SUPPORTS_SMP
  358. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  359. config CPU_SUBTYPE_SHX3
  360. bool "Support SH-X3 processor"
  361. select CPU_SH4A
  362. select CPU_SHX3
  363. select ARCH_SPARSEMEM_ENABLE
  364. select SYS_SUPPORTS_NUMA
  365. select SYS_SUPPORTS_SMP
  366. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  367. # SH4AL-DSP Processor Support
  368. config CPU_SUBTYPE_SH7343
  369. bool "Support SH7343 processor"
  370. select CPU_SH4AL_DSP
  371. select ARCH_SHMOBILE
  372. select SYS_SUPPORTS_CMT
  373. config CPU_SUBTYPE_SH7722
  374. bool "Support SH7722 processor"
  375. select CPU_SH4AL_DSP
  376. select CPU_SHX2
  377. select ARCH_SHMOBILE
  378. select ARCH_SPARSEMEM_ENABLE
  379. select SYS_SUPPORTS_NUMA
  380. select SYS_SUPPORTS_CMT
  381. config CPU_SUBTYPE_SH7366
  382. bool "Support SH7366 processor"
  383. select CPU_SH4AL_DSP
  384. select CPU_SHX2
  385. select ARCH_SHMOBILE
  386. select ARCH_SPARSEMEM_ENABLE
  387. select SYS_SUPPORTS_NUMA
  388. select SYS_SUPPORTS_CMT
  389. endchoice
  390. endif
  391. if SUPERH64
  392. choice
  393. prompt "Processor sub-type selection"
  394. # SH-5 Processor Support
  395. config CPU_SUBTYPE_SH5_101
  396. bool "Support SH5-101 processor"
  397. select CPU_SH5
  398. config CPU_SUBTYPE_SH5_103
  399. bool "Support SH5-103 processor"
  400. select CPU_SH5
  401. endchoice
  402. endif
  403. source "arch/sh/mm/Kconfig"
  404. source "arch/sh/Kconfig.cpu"
  405. source "arch/sh/boards/Kconfig"
  406. menu "Timer and clock configuration"
  407. config SH_TIMER_TMU
  408. bool "TMU timer driver"
  409. depends on SYS_SUPPORTS_TMU
  410. default y
  411. help
  412. This enables the build of the TMU timer driver.
  413. config SH_TIMER_CMT
  414. bool "CMT timer driver"
  415. depends on SYS_SUPPORTS_CMT
  416. default y
  417. help
  418. This enables build of the CMT timer driver.
  419. config SH_TIMER_MTU2
  420. bool "MTU2 timer driver"
  421. depends on SYS_SUPPORTS_MTU2
  422. default y
  423. help
  424. This enables build of the MTU2 timer driver.
  425. config SH_PCLK_FREQ
  426. int "Peripheral clock frequency (in Hz)"
  427. depends on SH_CLK_CPG_LEGACY
  428. default "31250000" if CPU_SUBTYPE_SH7619
  429. default "33333333" if CPU_SUBTYPE_SH7770 || \
  430. CPU_SUBTYPE_SH7760 || \
  431. CPU_SUBTYPE_SH7705 || \
  432. CPU_SUBTYPE_SH7203 || \
  433. CPU_SUBTYPE_SH7206 || \
  434. CPU_SUBTYPE_SH7263 || \
  435. CPU_SUBTYPE_MXG
  436. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  437. default "66000000" if CPU_SUBTYPE_SH4_202
  438. default "50000000"
  439. help
  440. This option is used to specify the peripheral clock frequency.
  441. This is necessary for determining the reference clock value on
  442. platforms lacking an RTC.
  443. config SH_CLK_CPG
  444. def_bool y
  445. config SH_CLK_CPG_LEGACY
  446. depends on SH_CLK_CPG
  447. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
  448. !CPU_SUBTYPE_SH7786
  449. config SH_CLK_MD
  450. int "CPU Mode Pin Setting"
  451. depends on CPU_SH2
  452. default 6 if CPU_SUBTYPE_SH7206
  453. default 5 if CPU_SUBTYPE_SH7619
  454. default 0
  455. help
  456. MD2 - MD0 pin setting.
  457. source "kernel/time/Kconfig"
  458. endmenu
  459. menu "CPU Frequency scaling"
  460. source "drivers/cpufreq/Kconfig"
  461. config SH_CPU_FREQ
  462. tristate "SuperH CPU Frequency driver"
  463. depends on CPU_FREQ
  464. select CPU_FREQ_TABLE
  465. help
  466. This adds the cpufreq driver for SuperH. Any CPU that supports
  467. clock rate rounding through the clock framework can use this
  468. driver. While it will make the kernel slightly larger, this is
  469. harmless for CPUs that don't support rate rounding. The driver
  470. will also generate a notice in the boot log before disabling
  471. itself if the CPU in question is not capable of rate rounding.
  472. For details, take a look at <file:Documentation/cpu-freq>.
  473. If unsure, say N.
  474. endmenu
  475. source "arch/sh/drivers/Kconfig"
  476. endmenu
  477. menu "Kernel features"
  478. source kernel/Kconfig.hz
  479. config KEXEC
  480. bool "kexec system call (EXPERIMENTAL)"
  481. depends on SUPERH32 && EXPERIMENTAL && MMU
  482. help
  483. kexec is a system call that implements the ability to shutdown your
  484. current kernel, and to start another kernel. It is like a reboot
  485. but it is independent of the system firmware. And like a reboot
  486. you can start any kernel with it, not just Linux.
  487. The name comes from the similarity to the exec system call.
  488. It is an ongoing process to be certain the hardware in a machine
  489. is properly shutdown, so do not be surprised if this code does not
  490. initially work for you. It may help to enable device hotplugging
  491. support. As of this writing the exact hardware interface is
  492. strongly in flux, so no good recommendation can be made.
  493. config CRASH_DUMP
  494. bool "kernel crash dumps (EXPERIMENTAL)"
  495. depends on SUPERH32 && EXPERIMENTAL
  496. help
  497. Generate crash dump after being started by kexec.
  498. This should be normally only set in special crash dump kernels
  499. which are loaded in the main kernel with kexec-tools into
  500. a specially reserved region and then later executed after
  501. a crash by kdump/kexec. The crash dump kernel must be compiled
  502. to a memory address not used by the main kernel using
  503. MEMORY_START.
  504. For more details see Documentation/kdump/kdump.txt
  505. config KEXEC_JUMP
  506. bool "kexec jump (EXPERIMENTAL)"
  507. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  508. help
  509. Jump between original kernel and kexeced kernel and invoke
  510. code via KEXEC
  511. config SECCOMP
  512. bool "Enable seccomp to safely compute untrusted bytecode"
  513. depends on PROC_FS
  514. help
  515. This kernel feature is useful for number crunching applications
  516. that may need to compute untrusted bytecode during their
  517. execution. By using pipes or other transports made available to
  518. the process as file descriptors supporting the read/write
  519. syscalls, it's possible to isolate those applications in
  520. their own address space using seccomp. Once seccomp is
  521. enabled via prctl, it cannot be disabled and the task is only
  522. allowed to execute a few safe syscalls defined by each seccomp
  523. mode.
  524. If unsure, say N.
  525. config SMP
  526. bool "Symmetric multi-processing support"
  527. depends on SYS_SUPPORTS_SMP
  528. select USE_GENERIC_SMP_HELPERS
  529. ---help---
  530. This enables support for systems with more than one CPU. If you have
  531. a system with only one CPU, like most personal computers, say N. If
  532. you have a system with more than one CPU, say Y.
  533. If you say N here, the kernel will run on single and multiprocessor
  534. machines, but will use only one CPU of a multiprocessor machine. If
  535. you say Y here, the kernel will run on many, but not all,
  536. singleprocessor machines. On a singleprocessor machine, the kernel
  537. will run faster if you say N here.
  538. People using multiprocessor machines who say Y here should also say
  539. Y to "Enhanced Real Time Clock Support", below.
  540. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  541. available at <http://www.tldp.org/docs.html#howto>.
  542. If you don't know what to do here, say N.
  543. config NR_CPUS
  544. int "Maximum number of CPUs (2-32)"
  545. range 2 32
  546. depends on SMP
  547. default "4" if CPU_SUBTYPE_SHX3
  548. default "2"
  549. help
  550. This allows you to specify the maximum number of CPUs which this
  551. kernel will support. The maximum supported value is 32 and the
  552. minimum value which makes sense is 2.
  553. This is purely to save memory - each supported CPU adds
  554. approximately eight kilobytes to the kernel image.
  555. source "kernel/Kconfig.preempt"
  556. config GUSA
  557. def_bool y
  558. depends on !SMP && SUPERH32
  559. help
  560. This enables support for gUSA (general UserSpace Atomicity).
  561. This is the default implementation for both UP and non-ll/sc
  562. CPUs, and is used by the libc, amongst others.
  563. For additional information, design information can be found
  564. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  565. This should only be disabled for special cases where alternate
  566. atomicity implementations exist.
  567. config GUSA_RB
  568. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  569. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  570. help
  571. Enabling this option will allow the kernel to implement some
  572. atomic operations using a software implementation of load-locked/
  573. store-conditional (LLSC). On machines which do not have hardware
  574. LLSC, this should be more efficient than the other alternative of
  575. disabling interrupts around the atomic sequence.
  576. config SPARSE_IRQ
  577. def_bool y
  578. depends on SUPERH32 && !SH_DREAMCAST && !SH_HIGHLANDER && \
  579. !SH_RTS7751R2D && !HD64461 && !SH_7724_SOLUTION_ENGINE
  580. help
  581. This enables support for sparse irqs. This is useful in general
  582. as most CPUs have a fairly sparse array of IRQ vectors, which
  583. the irq_desc then maps directly on to. Systems with a high
  584. number of off-chip IRQs will want to treat this as
  585. experimental until they have been independently verified.
  586. If you don't know what to do here, say N.
  587. endmenu
  588. menu "Boot options"
  589. config ZERO_PAGE_OFFSET
  590. hex
  591. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  592. SH_7751_SOLUTION_ENGINE
  593. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  594. default "0x00002000" if PAGE_SIZE_8KB
  595. default "0x00001000"
  596. help
  597. This sets the default offset of zero page.
  598. config BOOT_LINK_OFFSET
  599. hex
  600. default "0x00210000" if SH_SHMIN
  601. default "0x00400000" if SH_CAYMAN
  602. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  603. default "0x009e0000" if SH_TITAN
  604. default "0x01800000" if SH_SDK7780
  605. default "0x02000000" if SH_EDOSK7760
  606. default "0x00800000"
  607. help
  608. This option allows you to set the link address offset of the zImage.
  609. This can be useful if you are on a board which has a small amount of
  610. memory.
  611. config ENTRY_OFFSET
  612. hex
  613. default "0x00001000" if PAGE_SIZE_4KB
  614. default "0x00002000" if PAGE_SIZE_8KB
  615. default "0x00004000" if PAGE_SIZE_16KB
  616. default "0x00010000" if PAGE_SIZE_64KB
  617. default "0x00000000"
  618. choice
  619. prompt "Kernel command line"
  620. optional
  621. default CMDLINE_OVERWRITE
  622. help
  623. Setting this option allows the kernel command line arguments
  624. to be set.
  625. config CMDLINE_OVERWRITE
  626. bool "Overwrite bootloader kernel arguments"
  627. help
  628. Given string will overwrite any arguments passed in by
  629. a bootloader.
  630. config CMDLINE_EXTEND
  631. bool "Extend bootloader kernel arguments"
  632. help
  633. Given string will be concatenated with arguments passed in
  634. by a bootloader.
  635. endchoice
  636. config CMDLINE
  637. string "Kernel command line arguments string"
  638. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  639. default "console=ttySC1,115200"
  640. endmenu
  641. menu "Bus options"
  642. config SUPERHYWAY
  643. tristate "SuperHyway Bus support"
  644. depends on CPU_SUBTYPE_SH4_202
  645. config MAPLE
  646. bool "Maple Bus support"
  647. depends on SH_DREAMCAST
  648. help
  649. The Maple Bus is SEGA's serial communication bus for peripherals
  650. on the Dreamcast. Without this bus support you won't be able to
  651. get your Dreamcast keyboard etc to work, so most users
  652. probably want to say 'Y' here, unless you are only using the
  653. Dreamcast with a serial line terminal or a remote network
  654. connection.
  655. config PCI
  656. bool "PCI support"
  657. depends on SYS_SUPPORTS_PCI
  658. help
  659. Find out whether you have a PCI motherboard. PCI is the name of a
  660. bus system, i.e. the way the CPU talks to the other stuff inside
  661. your box. If you have PCI, say Y, otherwise N.
  662. source "drivers/pci/pcie/Kconfig"
  663. source "drivers/pci/Kconfig"
  664. source "drivers/pcmcia/Kconfig"
  665. source "drivers/pci/hotplug/Kconfig"
  666. endmenu
  667. menu "Executable file formats"
  668. source "fs/Kconfig.binfmt"
  669. endmenu
  670. menu "Power management options (EXPERIMENTAL)"
  671. depends on EXPERIMENTAL
  672. source "kernel/power/Kconfig"
  673. source "drivers/cpuidle/Kconfig"
  674. endmenu
  675. source "net/Kconfig"
  676. source "drivers/Kconfig"
  677. source "fs/Kconfig"
  678. source "arch/sh/Kconfig.debug"
  679. source "security/Kconfig"
  680. source "crypto/Kconfig"
  681. source "lib/Kconfig"