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