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