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