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