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 if HAS_IOPORT
  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 HAVE_REGS_AND_STACK_ACCESS_API
  25. select RTC_LIB
  26. select GENERIC_ATOMIC64
  27. help
  28. The SuperH is a RISC processor targeted for use in embedded systems
  29. and consumer electronics; it was also used in the Sega Dreamcast
  30. gaming console. The SuperH port has a home page at
  31. <http://www.linux-sh.org/>.
  32. config SUPERH32
  33. def_bool ARCH = "sh"
  34. select HAVE_KPROBES
  35. select HAVE_KRETPROBES
  36. select HAVE_IOREMAP_PROT if MMU && !X2TLB
  37. select HAVE_FUNCTION_TRACER
  38. select HAVE_FTRACE_MCOUNT_RECORD
  39. select HAVE_DYNAMIC_FTRACE
  40. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  41. select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
  42. select HAVE_FUNCTION_GRAPH_TRACER
  43. select HAVE_ARCH_KGDB
  44. select HAVE_HW_BREAKPOINT
  45. select HAVE_MIXED_BREAKPOINTS_REGS
  46. select PERF_EVENTS if HAVE_HW_BREAKPOINT
  47. select ARCH_HIBERNATION_POSSIBLE if MMU
  48. config SUPERH64
  49. def_bool ARCH = "sh64"
  50. config ARCH_DEFCONFIG
  51. string
  52. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  53. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  54. config RWSEM_GENERIC_SPINLOCK
  55. def_bool y
  56. config RWSEM_XCHGADD_ALGORITHM
  57. bool
  58. config GENERIC_BUG
  59. def_bool y
  60. depends on BUG && SUPERH32
  61. config GENERIC_CSUM
  62. def_bool y
  63. depends on SUPERH64
  64. config GENERIC_FIND_NEXT_BIT
  65. def_bool y
  66. config GENERIC_HWEIGHT
  67. def_bool y
  68. config GENERIC_HARDIRQS
  69. def_bool y
  70. config GENERIC_HARDIRQS_NO__DO_IRQ
  71. def_bool y
  72. config IRQ_PER_CPU
  73. def_bool y
  74. config SPARSE_IRQ
  75. def_bool y
  76. depends on SUPERH32
  77. config GENERIC_GPIO
  78. def_bool n
  79. config GENERIC_CALIBRATE_DELAY
  80. bool
  81. config GENERIC_IOMAP
  82. bool
  83. config GENERIC_TIME
  84. def_bool y
  85. config GENERIC_CLOCKEVENTS
  86. def_bool y
  87. config GENERIC_CLOCKEVENTS_BROADCAST
  88. bool
  89. config GENERIC_CMOS_UPDATE
  90. def_bool y
  91. depends on SH_SH03 || SH_DREAMCAST
  92. config GENERIC_LOCKBREAK
  93. def_bool y
  94. depends on SMP && PREEMPT
  95. config SYS_SUPPORTS_PM
  96. bool
  97. depends on !SMP
  98. config ARCH_SUSPEND_POSSIBLE
  99. def_bool n
  100. config ARCH_HIBERNATION_POSSIBLE
  101. def_bool n
  102. config SYS_SUPPORTS_APM_EMULATION
  103. bool
  104. select ARCH_SUSPEND_POSSIBLE
  105. config SYS_SUPPORTS_HUGETLBFS
  106. bool
  107. config SYS_SUPPORTS_SMP
  108. bool
  109. config SYS_SUPPORTS_NUMA
  110. bool
  111. config SYS_SUPPORTS_PCI
  112. bool
  113. config SYS_SUPPORTS_CMT
  114. bool
  115. config SYS_SUPPORTS_MTU2
  116. bool
  117. config SYS_SUPPORTS_TMU
  118. bool
  119. config STACKTRACE_SUPPORT
  120. def_bool y
  121. config LOCKDEP_SUPPORT
  122. def_bool y
  123. config HAVE_LATENCYTOP_SUPPORT
  124. def_bool y
  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 NO_IOPORT
  136. bool
  137. config IO_TRAPPED
  138. bool
  139. config DMA_COHERENT
  140. bool
  141. config DMA_NONCOHERENT
  142. def_bool !DMA_COHERENT
  143. config NEED_DMA_MAP_STATE
  144. def_bool DMA_NONCOHERENT
  145. config NEED_SG_DMA_LENGTH
  146. def_bool y
  147. source "init/Kconfig"
  148. source "kernel/Kconfig.freezer"
  149. menu "System type"
  150. #
  151. # Processor families
  152. #
  153. config CPU_SH2
  154. bool
  155. config CPU_SH2A
  156. bool
  157. select CPU_SH2
  158. config CPU_SH3
  159. bool
  160. select CPU_HAS_INTEVT
  161. select CPU_HAS_SR_RB
  162. select SYS_SUPPORTS_TMU
  163. config CPU_SH4
  164. bool
  165. select CPU_HAS_INTEVT
  166. select CPU_HAS_SR_RB
  167. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  168. select SYS_SUPPORTS_TMU
  169. select SYS_SUPPORTS_HUGETLBFS if MMU
  170. config CPU_SH4A
  171. bool
  172. select CPU_SH4
  173. config CPU_SH4AL_DSP
  174. bool
  175. select CPU_SH4A
  176. select CPU_HAS_DSP
  177. config CPU_SH5
  178. bool
  179. select CPU_HAS_FPU
  180. select SYS_SUPPORTS_TMU
  181. select SYS_SUPPORTS_HUGETLBFS if MMU
  182. config CPU_SHX2
  183. bool
  184. config CPU_SHX3
  185. bool
  186. select DMA_COHERENT
  187. select SYS_SUPPORTS_SMP
  188. select SYS_SUPPORTS_NUMA
  189. config ARCH_SHMOBILE
  190. bool
  191. select ARCH_SUSPEND_POSSIBLE
  192. select PM
  193. select PM_RUNTIME
  194. if SUPERH32
  195. choice
  196. prompt "Processor sub-type selection"
  197. #
  198. # Processor subtypes
  199. #
  200. # SH-2 Processor Support
  201. config CPU_SUBTYPE_SH7619
  202. bool "Support SH7619 processor"
  203. select CPU_SH2
  204. select SYS_SUPPORTS_CMT
  205. # SH-2A Processor Support
  206. config CPU_SUBTYPE_SH7201
  207. bool "Support SH7201 processor"
  208. select CPU_SH2A
  209. select CPU_HAS_FPU
  210. select SYS_SUPPORTS_MTU2
  211. config CPU_SUBTYPE_SH7203
  212. bool "Support SH7203 processor"
  213. select CPU_SH2A
  214. select CPU_HAS_FPU
  215. select SYS_SUPPORTS_CMT
  216. select SYS_SUPPORTS_MTU2
  217. config CPU_SUBTYPE_SH7206
  218. bool "Support SH7206 processor"
  219. select CPU_SH2A
  220. select SYS_SUPPORTS_CMT
  221. select SYS_SUPPORTS_MTU2
  222. config CPU_SUBTYPE_SH7263
  223. bool "Support SH7263 processor"
  224. select CPU_SH2A
  225. select CPU_HAS_FPU
  226. select SYS_SUPPORTS_CMT
  227. select SYS_SUPPORTS_MTU2
  228. config CPU_SUBTYPE_MXG
  229. bool "Support MX-G processor"
  230. select CPU_SH2A
  231. select SYS_SUPPORTS_MTU2
  232. help
  233. Select MX-G if running on an R8A03022BG part.
  234. # SH-3 Processor Support
  235. config CPU_SUBTYPE_SH7705
  236. bool "Support SH7705 processor"
  237. select CPU_SH3
  238. config CPU_SUBTYPE_SH7706
  239. bool "Support SH7706 processor"
  240. select CPU_SH3
  241. help
  242. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  243. config CPU_SUBTYPE_SH7707
  244. bool "Support SH7707 processor"
  245. select CPU_SH3
  246. help
  247. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  248. config CPU_SUBTYPE_SH7708
  249. bool "Support SH7708 processor"
  250. select CPU_SH3
  251. help
  252. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  253. if you have a 100 Mhz SH-3 HD6417708R CPU.
  254. config CPU_SUBTYPE_SH7709
  255. bool "Support SH7709 processor"
  256. select CPU_SH3
  257. help
  258. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  259. config CPU_SUBTYPE_SH7710
  260. bool "Support SH7710 processor"
  261. select CPU_SH3
  262. select CPU_HAS_DSP
  263. help
  264. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  265. config CPU_SUBTYPE_SH7712
  266. bool "Support SH7712 processor"
  267. select CPU_SH3
  268. select CPU_HAS_DSP
  269. help
  270. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  271. config CPU_SUBTYPE_SH7720
  272. bool "Support SH7720 processor"
  273. select CPU_SH3
  274. select CPU_HAS_DSP
  275. select SYS_SUPPORTS_CMT
  276. help
  277. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  278. config CPU_SUBTYPE_SH7721
  279. bool "Support SH7721 processor"
  280. select CPU_SH3
  281. select CPU_HAS_DSP
  282. select SYS_SUPPORTS_CMT
  283. help
  284. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  285. # SH-4 Processor Support
  286. config CPU_SUBTYPE_SH7750
  287. bool "Support SH7750 processor"
  288. select CPU_SH4
  289. help
  290. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  291. config CPU_SUBTYPE_SH7091
  292. bool "Support SH7091 processor"
  293. select CPU_SH4
  294. help
  295. Select SH7091 if you have an SH-4 based Sega device (such as
  296. the Dreamcast, Naomi, and Naomi 2).
  297. config CPU_SUBTYPE_SH7750R
  298. bool "Support SH7750R processor"
  299. select CPU_SH4
  300. config CPU_SUBTYPE_SH7750S
  301. bool "Support SH7750S processor"
  302. select CPU_SH4
  303. config CPU_SUBTYPE_SH7751
  304. bool "Support SH7751 processor"
  305. select CPU_SH4
  306. help
  307. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  308. or if you have a HD6417751R CPU.
  309. config CPU_SUBTYPE_SH7751R
  310. bool "Support SH7751R processor"
  311. select CPU_SH4
  312. config CPU_SUBTYPE_SH7760
  313. bool "Support SH7760 processor"
  314. select CPU_SH4
  315. config CPU_SUBTYPE_SH4_202
  316. bool "Support SH4-202 processor"
  317. select CPU_SH4
  318. # SH-4A Processor Support
  319. config CPU_SUBTYPE_SH7723
  320. bool "Support SH7723 processor"
  321. select CPU_SH4A
  322. select CPU_SHX2
  323. select ARCH_SHMOBILE
  324. select ARCH_SPARSEMEM_ENABLE
  325. select SYS_SUPPORTS_CMT
  326. help
  327. Select SH7723 if you have an SH-MobileR2 CPU.
  328. config CPU_SUBTYPE_SH7724
  329. bool "Support SH7724 processor"
  330. select CPU_SH4A
  331. select CPU_SHX2
  332. select ARCH_SHMOBILE
  333. select ARCH_SPARSEMEM_ENABLE
  334. select SYS_SUPPORTS_CMT
  335. help
  336. Select SH7724 if you have an SH-MobileR2R CPU.
  337. config CPU_SUBTYPE_SH7757
  338. bool "Support SH7757 processor"
  339. select CPU_SH4A
  340. select CPU_SHX2
  341. help
  342. Select SH7757 if you have a SH4A SH7757 CPU.
  343. config CPU_SUBTYPE_SH7763
  344. bool "Support SH7763 processor"
  345. select CPU_SH4A
  346. help
  347. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  348. config CPU_SUBTYPE_SH7770
  349. bool "Support SH7770 processor"
  350. select CPU_SH4A
  351. config CPU_SUBTYPE_SH7780
  352. bool "Support SH7780 processor"
  353. select CPU_SH4A
  354. config CPU_SUBTYPE_SH7785
  355. bool "Support SH7785 processor"
  356. select CPU_SH4A
  357. select CPU_SHX2
  358. select ARCH_SPARSEMEM_ENABLE
  359. select SYS_SUPPORTS_NUMA
  360. config CPU_SUBTYPE_SH7786
  361. bool "Support SH7786 processor"
  362. select CPU_SH4A
  363. select CPU_SHX3
  364. select CPU_HAS_PTEAEX
  365. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  366. config CPU_SUBTYPE_SHX3
  367. bool "Support SH-X3 processor"
  368. select CPU_SH4A
  369. select CPU_SHX3
  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 && BROKEN_ON_SMP
  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. config HOTPLUG_CPU
  560. bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
  561. depends on SMP && HOTPLUG && EXPERIMENTAL
  562. help
  563. Say Y here to experiment with turning CPUs off and on. CPUs
  564. can be controlled through /sys/devices/system/cpu.
  565. source "kernel/Kconfig.preempt"
  566. config GUSA
  567. def_bool y
  568. depends on !SMP && SUPERH32
  569. help
  570. This enables support for gUSA (general UserSpace Atomicity).
  571. This is the default implementation for both UP and non-ll/sc
  572. CPUs, and is used by the libc, amongst others.
  573. For additional information, design information can be found
  574. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  575. This should only be disabled for special cases where alternate
  576. atomicity implementations exist.
  577. config GUSA_RB
  578. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  579. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  580. help
  581. Enabling this option will allow the kernel to implement some
  582. atomic operations using a software implementation of load-locked/
  583. store-conditional (LLSC). On machines which do not have hardware
  584. LLSC, this should be more efficient than the other alternative of
  585. disabling interrupts around the atomic sequence.
  586. source "drivers/sh/Kconfig"
  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. config ROMIMAGE_MMCIF
  619. bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
  620. depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL
  621. help
  622. Say Y here to include experimental MMCIF loading code in
  623. romImage. With this enabled it is possible to write the romImage
  624. kernel image to an MMC card and boot the kernel straight from
  625. the reset vector. At reset the processor Mask ROM will load the
  626. first part of the romImage which in turn loads the rest the kernel
  627. image to RAM using the MMCIF hardware block.
  628. choice
  629. prompt "Kernel command line"
  630. optional
  631. default CMDLINE_OVERWRITE
  632. help
  633. Setting this option allows the kernel command line arguments
  634. to be set.
  635. config CMDLINE_OVERWRITE
  636. bool "Overwrite bootloader kernel arguments"
  637. help
  638. Given string will overwrite any arguments passed in by
  639. a bootloader.
  640. config CMDLINE_EXTEND
  641. bool "Extend bootloader kernel arguments"
  642. help
  643. Given string will be concatenated with arguments passed in
  644. by a bootloader.
  645. endchoice
  646. config CMDLINE
  647. string "Kernel command line arguments string"
  648. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  649. default "console=ttySC1,115200"
  650. endmenu
  651. menu "Bus options"
  652. config SUPERHYWAY
  653. tristate "SuperHyway Bus support"
  654. depends on CPU_SUBTYPE_SH4_202
  655. config MAPLE
  656. bool "Maple Bus support"
  657. depends on SH_DREAMCAST
  658. help
  659. The Maple Bus is SEGA's serial communication bus for peripherals
  660. on the Dreamcast. Without this bus support you won't be able to
  661. get your Dreamcast keyboard etc to work, so most users
  662. probably want to say 'Y' here, unless you are only using the
  663. Dreamcast with a serial line terminal or a remote network
  664. connection.
  665. config PCI
  666. bool "PCI support"
  667. depends on SYS_SUPPORTS_PCI
  668. select PCI_DOMAINS
  669. help
  670. Find out whether you have a PCI motherboard. PCI is the name of a
  671. bus system, i.e. the way the CPU talks to the other stuff inside
  672. your box. If you have PCI, say Y, otherwise N.
  673. config PCI_DOMAINS
  674. bool
  675. source "drivers/pci/pcie/Kconfig"
  676. source "drivers/pci/Kconfig"
  677. source "drivers/pcmcia/Kconfig"
  678. source "drivers/pci/hotplug/Kconfig"
  679. endmenu
  680. menu "Executable file formats"
  681. source "fs/Kconfig.binfmt"
  682. endmenu
  683. menu "Power management options (EXPERIMENTAL)"
  684. depends on EXPERIMENTAL
  685. source "kernel/power/Kconfig"
  686. source "drivers/cpuidle/Kconfig"
  687. endmenu
  688. source "net/Kconfig"
  689. source "drivers/Kconfig"
  690. source "fs/Kconfig"
  691. source "arch/sh/Kconfig.debug"
  692. source "security/Kconfig"
  693. source "crypto/Kconfig"
  694. menuconfig VIRTUALIZATION
  695. bool "Virtualization"
  696. default n
  697. ---help---
  698. Say Y here to get to see options for using your Linux host to run other
  699. operating systems inside virtual machines (guests).
  700. This option alone does not add any kernel code.
  701. If you say N, all options in this submenu will be skipped and disabled.
  702. if VIRTUALIZATION
  703. source drivers/virtio/Kconfig
  704. endif # VIRTUALIZATION
  705. source "lib/Kconfig"