Kconfig 19 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. mainmenu "Linux/SuperH Kernel Configuration"
  6. config SUPERH
  7. def_bool y
  8. select EMBEDDED
  9. select HAVE_CLK
  10. select HAVE_IDE
  11. select HAVE_LMB
  12. select HAVE_OPROFILE
  13. select HAVE_GENERIC_DMA_COHERENT
  14. select HAVE_IOREMAP_PROT if MMU
  15. select HAVE_ARCH_TRACEHOOK
  16. select HAVE_DMA_API_DEBUG
  17. select HAVE_DMA_ATTRS
  18. select HAVE_PERF_EVENTS
  19. select PERF_USE_VMALLOC
  20. select HAVE_KERNEL_GZIP
  21. select HAVE_KERNEL_BZIP2
  22. select HAVE_KERNEL_LZMA
  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_FUNCTION_TRACER
  36. select HAVE_FTRACE_MCOUNT_RECORD
  37. select HAVE_DYNAMIC_FTRACE
  38. select HAVE_FUNCTION_TRACE_MCOUNT_TEST
  39. select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
  40. select HAVE_FUNCTION_GRAPH_TRACER
  41. select HAVE_ARCH_KGDB
  42. select HAVE_HW_BREAKPOINT if CPU_SH4A
  43. select PERF_EVENTS if HAVE_HW_BREAKPOINT
  44. select ARCH_HIBERNATION_POSSIBLE if MMU
  45. config SUPERH64
  46. def_bool ARCH = "sh64"
  47. config ARCH_DEFCONFIG
  48. string
  49. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  50. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  51. config RWSEM_GENERIC_SPINLOCK
  52. def_bool y
  53. config RWSEM_XCHGADD_ALGORITHM
  54. bool
  55. config GENERIC_BUG
  56. def_bool y
  57. depends on BUG && SUPERH32
  58. config GENERIC_CSUM
  59. def_bool y
  60. depends on SUPERH64
  61. config GENERIC_FIND_NEXT_BIT
  62. def_bool y
  63. config GENERIC_HWEIGHT
  64. def_bool y
  65. config GENERIC_HARDIRQS
  66. def_bool y
  67. config GENERIC_HARDIRQS_NO__DO_IRQ
  68. def_bool y
  69. config GENERIC_IRQ_PROBE
  70. def_bool y
  71. config IRQ_PER_CPU
  72. def_bool y
  73. config GENERIC_GPIO
  74. def_bool n
  75. config GENERIC_CALIBRATE_DELAY
  76. bool
  77. config GENERIC_IOMAP
  78. bool
  79. config GENERIC_TIME
  80. def_bool y
  81. config GENERIC_CLOCKEVENTS
  82. def_bool y
  83. config GENERIC_CLOCKEVENTS_BROADCAST
  84. bool
  85. config GENERIC_CMOS_UPDATE
  86. def_bool y
  87. depends on SH_SH03 || SH_DREAMCAST
  88. config GENERIC_LOCKBREAK
  89. def_bool y
  90. depends on SMP && PREEMPT
  91. config SYS_SUPPORTS_PM
  92. bool
  93. depends on !SMP
  94. config ARCH_SUSPEND_POSSIBLE
  95. def_bool n
  96. config ARCH_HIBERNATION_POSSIBLE
  97. def_bool n
  98. config SYS_SUPPORTS_APM_EMULATION
  99. bool
  100. select ARCH_SUSPEND_POSSIBLE
  101. config SYS_SUPPORTS_HUGETLBFS
  102. bool
  103. config SYS_SUPPORTS_SMP
  104. bool
  105. config SYS_SUPPORTS_NUMA
  106. bool
  107. config SYS_SUPPORTS_PCI
  108. bool
  109. config SYS_SUPPORTS_CMT
  110. bool
  111. config SYS_SUPPORTS_MTU2
  112. bool
  113. config SYS_SUPPORTS_TMU
  114. bool
  115. config STACKTRACE_SUPPORT
  116. def_bool y
  117. config LOCKDEP_SUPPORT
  118. def_bool y
  119. config HAVE_LATENCYTOP_SUPPORT
  120. def_bool y
  121. depends on !SMP
  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 IO_TRAPPED
  133. bool
  134. config DMA_COHERENT
  135. bool
  136. config DMA_NONCOHERENT
  137. def_bool !DMA_COHERENT
  138. source "init/Kconfig"
  139. source "kernel/Kconfig.freezer"
  140. menu "System type"
  141. #
  142. # Processor families
  143. #
  144. config CPU_SH2
  145. bool
  146. config CPU_SH2A
  147. bool
  148. select CPU_SH2
  149. config CPU_SH3
  150. bool
  151. select CPU_HAS_INTEVT
  152. select CPU_HAS_SR_RB
  153. select SYS_SUPPORTS_TMU
  154. config CPU_SH4
  155. bool
  156. select CPU_HAS_INTEVT
  157. select CPU_HAS_SR_RB
  158. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  159. select SYS_SUPPORTS_TMU
  160. select SYS_SUPPORTS_HUGETLBFS if MMU
  161. config CPU_SH4A
  162. bool
  163. select CPU_SH4
  164. config CPU_SH4AL_DSP
  165. bool
  166. select CPU_SH4A
  167. select CPU_HAS_DSP
  168. config CPU_SH5
  169. bool
  170. select CPU_HAS_FPU
  171. select SYS_SUPPORTS_TMU
  172. select SYS_SUPPORTS_HUGETLBFS if MMU
  173. config CPU_SHX2
  174. bool
  175. config CPU_SHX3
  176. bool
  177. select DMA_COHERENT
  178. config ARCH_SHMOBILE
  179. bool
  180. select ARCH_SUSPEND_POSSIBLE
  181. select PM
  182. select PM_RUNTIME
  183. if SUPERH32
  184. choice
  185. prompt "Processor sub-type selection"
  186. #
  187. # Processor subtypes
  188. #
  189. # SH-2 Processor Support
  190. config CPU_SUBTYPE_SH7619
  191. bool "Support SH7619 processor"
  192. select CPU_SH2
  193. select SYS_SUPPORTS_CMT
  194. # SH-2A Processor Support
  195. config CPU_SUBTYPE_SH7201
  196. bool "Support SH7201 processor"
  197. select CPU_SH2A
  198. select CPU_HAS_FPU
  199. select SYS_SUPPORTS_MTU2
  200. config CPU_SUBTYPE_SH7203
  201. bool "Support SH7203 processor"
  202. select CPU_SH2A
  203. select CPU_HAS_FPU
  204. select SYS_SUPPORTS_CMT
  205. select SYS_SUPPORTS_MTU2
  206. config CPU_SUBTYPE_SH7206
  207. bool "Support SH7206 processor"
  208. select CPU_SH2A
  209. select SYS_SUPPORTS_CMT
  210. select SYS_SUPPORTS_MTU2
  211. config CPU_SUBTYPE_SH7263
  212. bool "Support SH7263 processor"
  213. select CPU_SH2A
  214. select CPU_HAS_FPU
  215. select SYS_SUPPORTS_CMT
  216. select SYS_SUPPORTS_MTU2
  217. config CPU_SUBTYPE_MXG
  218. bool "Support MX-G processor"
  219. select CPU_SH2A
  220. select SYS_SUPPORTS_MTU2
  221. help
  222. Select MX-G if running on an R8A03022BG part.
  223. # SH-3 Processor Support
  224. config CPU_SUBTYPE_SH7705
  225. bool "Support SH7705 processor"
  226. select CPU_SH3
  227. config CPU_SUBTYPE_SH7706
  228. bool "Support SH7706 processor"
  229. select CPU_SH3
  230. help
  231. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  232. config CPU_SUBTYPE_SH7707
  233. bool "Support SH7707 processor"
  234. select CPU_SH3
  235. help
  236. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  237. config CPU_SUBTYPE_SH7708
  238. bool "Support SH7708 processor"
  239. select CPU_SH3
  240. help
  241. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  242. if you have a 100 Mhz SH-3 HD6417708R CPU.
  243. config CPU_SUBTYPE_SH7709
  244. bool "Support SH7709 processor"
  245. select CPU_SH3
  246. help
  247. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  248. config CPU_SUBTYPE_SH7710
  249. bool "Support SH7710 processor"
  250. select CPU_SH3
  251. select CPU_HAS_DSP
  252. help
  253. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  254. config CPU_SUBTYPE_SH7712
  255. bool "Support SH7712 processor"
  256. select CPU_SH3
  257. select CPU_HAS_DSP
  258. help
  259. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  260. config CPU_SUBTYPE_SH7720
  261. bool "Support SH7720 processor"
  262. select CPU_SH3
  263. select CPU_HAS_DSP
  264. select SYS_SUPPORTS_CMT
  265. help
  266. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  267. config CPU_SUBTYPE_SH7721
  268. bool "Support SH7721 processor"
  269. select CPU_SH3
  270. select CPU_HAS_DSP
  271. select SYS_SUPPORTS_CMT
  272. help
  273. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  274. # SH-4 Processor Support
  275. config CPU_SUBTYPE_SH7750
  276. bool "Support SH7750 processor"
  277. select CPU_SH4
  278. help
  279. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  280. config CPU_SUBTYPE_SH7091
  281. bool "Support SH7091 processor"
  282. select CPU_SH4
  283. help
  284. Select SH7091 if you have an SH-4 based Sega device (such as
  285. the Dreamcast, Naomi, and Naomi 2).
  286. config CPU_SUBTYPE_SH7750R
  287. bool "Support SH7750R processor"
  288. select CPU_SH4
  289. config CPU_SUBTYPE_SH7750S
  290. bool "Support SH7750S processor"
  291. select CPU_SH4
  292. config CPU_SUBTYPE_SH7751
  293. bool "Support SH7751 processor"
  294. select CPU_SH4
  295. help
  296. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  297. or if you have a HD6417751R CPU.
  298. config CPU_SUBTYPE_SH7751R
  299. bool "Support SH7751R processor"
  300. select CPU_SH4
  301. config CPU_SUBTYPE_SH7760
  302. bool "Support SH7760 processor"
  303. select CPU_SH4
  304. config CPU_SUBTYPE_SH4_202
  305. bool "Support SH4-202 processor"
  306. select CPU_SH4
  307. # SH-4A Processor Support
  308. config CPU_SUBTYPE_SH7723
  309. bool "Support SH7723 processor"
  310. select CPU_SH4A
  311. select CPU_SHX2
  312. select ARCH_SHMOBILE
  313. select ARCH_SPARSEMEM_ENABLE
  314. select SYS_SUPPORTS_CMT
  315. help
  316. Select SH7723 if you have an SH-MobileR2 CPU.
  317. config CPU_SUBTYPE_SH7724
  318. bool "Support SH7724 processor"
  319. select CPU_SH4A
  320. select CPU_SHX2
  321. select ARCH_SHMOBILE
  322. select ARCH_SPARSEMEM_ENABLE
  323. select SYS_SUPPORTS_CMT
  324. help
  325. Select SH7724 if you have an SH-MobileR2R CPU.
  326. config CPU_SUBTYPE_SH7757
  327. bool "Support SH7757 processor"
  328. select CPU_SH4A
  329. select CPU_SHX2
  330. help
  331. Select SH7757 if you have a SH4A SH7757 CPU.
  332. config CPU_SUBTYPE_SH7763
  333. bool "Support SH7763 processor"
  334. select CPU_SH4A
  335. help
  336. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  337. config CPU_SUBTYPE_SH7770
  338. bool "Support SH7770 processor"
  339. select CPU_SH4A
  340. config CPU_SUBTYPE_SH7780
  341. bool "Support SH7780 processor"
  342. select CPU_SH4A
  343. config CPU_SUBTYPE_SH7785
  344. bool "Support SH7785 processor"
  345. select CPU_SH4A
  346. select CPU_SHX2
  347. select ARCH_SPARSEMEM_ENABLE
  348. select SYS_SUPPORTS_NUMA
  349. config CPU_SUBTYPE_SH7786
  350. bool "Support SH7786 processor"
  351. select CPU_SH4A
  352. select CPU_SHX3
  353. select CPU_HAS_PTEAEX
  354. select ARCH_SPARSEMEM_ENABLE
  355. select SYS_SUPPORTS_NUMA
  356. select SYS_SUPPORTS_SMP
  357. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  358. config CPU_SUBTYPE_SHX3
  359. bool "Support SH-X3 processor"
  360. select CPU_SH4A
  361. select CPU_SHX3
  362. select ARCH_SPARSEMEM_ENABLE
  363. select SYS_SUPPORTS_NUMA
  364. select SYS_SUPPORTS_SMP
  365. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  366. # SH4AL-DSP Processor Support
  367. config CPU_SUBTYPE_SH7343
  368. bool "Support SH7343 processor"
  369. select CPU_SH4AL_DSP
  370. select ARCH_SHMOBILE
  371. select SYS_SUPPORTS_CMT
  372. config CPU_SUBTYPE_SH7722
  373. bool "Support SH7722 processor"
  374. select CPU_SH4AL_DSP
  375. select CPU_SHX2
  376. select ARCH_SHMOBILE
  377. select ARCH_SPARSEMEM_ENABLE
  378. select SYS_SUPPORTS_NUMA
  379. select SYS_SUPPORTS_CMT
  380. config CPU_SUBTYPE_SH7366
  381. bool "Support SH7366 processor"
  382. select CPU_SH4AL_DSP
  383. select CPU_SHX2
  384. select ARCH_SHMOBILE
  385. select ARCH_SPARSEMEM_ENABLE
  386. select SYS_SUPPORTS_NUMA
  387. select SYS_SUPPORTS_CMT
  388. endchoice
  389. endif
  390. if SUPERH64
  391. choice
  392. prompt "Processor sub-type selection"
  393. # SH-5 Processor Support
  394. config CPU_SUBTYPE_SH5_101
  395. bool "Support SH5-101 processor"
  396. select CPU_SH5
  397. config CPU_SUBTYPE_SH5_103
  398. bool "Support SH5-103 processor"
  399. select CPU_SH5
  400. endchoice
  401. endif
  402. source "arch/sh/mm/Kconfig"
  403. source "arch/sh/Kconfig.cpu"
  404. source "arch/sh/boards/Kconfig"
  405. menu "Timer and clock configuration"
  406. config SH_TIMER_TMU
  407. bool "TMU timer driver"
  408. depends on SYS_SUPPORTS_TMU
  409. default y
  410. help
  411. This enables the build of the TMU timer driver.
  412. config SH_TIMER_CMT
  413. bool "CMT timer driver"
  414. depends on SYS_SUPPORTS_CMT
  415. default y
  416. help
  417. This enables build of the CMT timer driver.
  418. config SH_TIMER_MTU2
  419. bool "MTU2 timer driver"
  420. depends on SYS_SUPPORTS_MTU2
  421. default y
  422. help
  423. This enables build of the MTU2 timer driver.
  424. config SH_PCLK_FREQ
  425. int "Peripheral clock frequency (in Hz)"
  426. default "27000000" if CPU_SUBTYPE_SH7343
  427. default "31250000" if CPU_SUBTYPE_SH7619
  428. default "32000000" if CPU_SUBTYPE_SH7722
  429. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  430. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  431. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  432. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
  433. CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
  434. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  435. default "66000000" if CPU_SUBTYPE_SH4_202
  436. default "50000000"
  437. help
  438. This option is used to specify the peripheral clock frequency.
  439. This is necessary for determining the reference clock value on
  440. platforms lacking an RTC.
  441. config SH_CLK_CPG
  442. def_bool y
  443. config SH_CLK_CPG_LEGACY
  444. depends on SH_CLK_CPG
  445. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE
  446. config SH_CLK_MD
  447. int "CPU Mode Pin Setting"
  448. depends on CPU_SH2
  449. default 6 if CPU_SUBTYPE_SH7206
  450. default 5 if CPU_SUBTYPE_SH7619
  451. default 0
  452. help
  453. MD2 - MD0 pin setting.
  454. source "kernel/time/Kconfig"
  455. endmenu
  456. menu "CPU Frequency scaling"
  457. source "drivers/cpufreq/Kconfig"
  458. config SH_CPU_FREQ
  459. tristate "SuperH CPU Frequency driver"
  460. depends on CPU_FREQ
  461. select CPU_FREQ_TABLE
  462. help
  463. This adds the cpufreq driver for SuperH. Any CPU that supports
  464. clock rate rounding through the clock framework can use this
  465. driver. While it will make the kernel slightly larger, this is
  466. harmless for CPUs that don't support rate rounding. The driver
  467. will also generate a notice in the boot log before disabling
  468. itself if the CPU in question is not capable of rate rounding.
  469. For details, take a look at <file:Documentation/cpu-freq>.
  470. If unsure, say N.
  471. endmenu
  472. source "arch/sh/drivers/Kconfig"
  473. endmenu
  474. menu "Kernel features"
  475. source kernel/Kconfig.hz
  476. config KEXEC
  477. bool "kexec system call (EXPERIMENTAL)"
  478. depends on SUPERH32 && EXPERIMENTAL && MMU
  479. help
  480. kexec is a system call that implements the ability to shutdown your
  481. current kernel, and to start another kernel. It is like a reboot
  482. but it is independent of the system firmware. And like a reboot
  483. you can start any kernel with it, not just Linux.
  484. The name comes from the similarity to the exec system call.
  485. It is an ongoing process to be certain the hardware in a machine
  486. is properly shutdown, so do not be surprised if this code does not
  487. initially work for you. It may help to enable device hotplugging
  488. support. As of this writing the exact hardware interface is
  489. strongly in flux, so no good recommendation can be made.
  490. config CRASH_DUMP
  491. bool "kernel crash dumps (EXPERIMENTAL)"
  492. depends on SUPERH32 && EXPERIMENTAL
  493. help
  494. Generate crash dump after being started by kexec.
  495. This should be normally only set in special crash dump kernels
  496. which are loaded in the main kernel with kexec-tools into
  497. a specially reserved region and then later executed after
  498. a crash by kdump/kexec. The crash dump kernel must be compiled
  499. to a memory address not used by the main kernel using
  500. MEMORY_START.
  501. For more details see Documentation/kdump/kdump.txt
  502. config KEXEC_JUMP
  503. bool "kexec jump (EXPERIMENTAL)"
  504. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  505. help
  506. Jump between original kernel and kexeced kernel and invoke
  507. code via KEXEC
  508. config SECCOMP
  509. bool "Enable seccomp to safely compute untrusted bytecode"
  510. depends on PROC_FS
  511. help
  512. This kernel feature is useful for number crunching applications
  513. that may need to compute untrusted bytecode during their
  514. execution. By using pipes or other transports made available to
  515. the process as file descriptors supporting the read/write
  516. syscalls, it's possible to isolate those applications in
  517. their own address space using seccomp. Once seccomp is
  518. enabled via prctl, it cannot be disabled and the task is only
  519. allowed to execute a few safe syscalls defined by each seccomp
  520. mode.
  521. If unsure, say N.
  522. config SMP
  523. bool "Symmetric multi-processing support"
  524. depends on SYS_SUPPORTS_SMP
  525. select USE_GENERIC_SMP_HELPERS
  526. ---help---
  527. This enables support for systems with more than one CPU. If you have
  528. a system with only one CPU, like most personal computers, say N. If
  529. you have a system with more than one CPU, say Y.
  530. If you say N here, the kernel will run on single and multiprocessor
  531. machines, but will use only one CPU of a multiprocessor machine. If
  532. you say Y here, the kernel will run on many, but not all,
  533. singleprocessor machines. On a singleprocessor machine, the kernel
  534. will run faster if you say N here.
  535. People using multiprocessor machines who say Y here should also say
  536. Y to "Enhanced Real Time Clock Support", below.
  537. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  538. available at <http://www.tldp.org/docs.html#howto>.
  539. If you don't know what to do here, say N.
  540. config NR_CPUS
  541. int "Maximum number of CPUs (2-32)"
  542. range 2 32
  543. depends on SMP
  544. default "4" if CPU_SUBTYPE_SHX3
  545. default "2"
  546. help
  547. This allows you to specify the maximum number of CPUs which this
  548. kernel will support. The maximum supported value is 32 and the
  549. minimum value which makes sense is 2.
  550. This is purely to save memory - each supported CPU adds
  551. approximately eight kilobytes to the kernel image.
  552. source "kernel/Kconfig.preempt"
  553. config GUSA
  554. def_bool y
  555. depends on !SMP && SUPERH32
  556. help
  557. This enables support for gUSA (general UserSpace Atomicity).
  558. This is the default implementation for both UP and non-ll/sc
  559. CPUs, and is used by the libc, amongst others.
  560. For additional information, design information can be found
  561. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  562. This should only be disabled for special cases where alternate
  563. atomicity implementations exist.
  564. config GUSA_RB
  565. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  566. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  567. help
  568. Enabling this option will allow the kernel to implement some
  569. atomic operations using a software implementation of load-locked/
  570. store-conditional (LLSC). On machines which do not have hardware
  571. LLSC, this should be more efficient than the other alternative of
  572. disabling interrupts around the atomic sequence.
  573. config SPARSE_IRQ
  574. bool "Support sparse irq numbering"
  575. depends on EXPERIMENTAL
  576. help
  577. This enables support for sparse irqs. This is useful in general
  578. as most CPUs have a fairly sparse array of IRQ vectors, which
  579. the irq_desc then maps directly on to. Systems with a high
  580. number of off-chip IRQs will want to treat this as
  581. experimental until they have been independently verified.
  582. If you don't know what to do here, say N.
  583. endmenu
  584. menu "Boot options"
  585. config ZERO_PAGE_OFFSET
  586. hex
  587. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  588. SH_7751_SOLUTION_ENGINE
  589. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  590. default "0x00002000" if PAGE_SIZE_8KB
  591. default "0x00001000"
  592. help
  593. This sets the default offset of zero page.
  594. config BOOT_LINK_OFFSET
  595. hex
  596. default "0x00210000" if SH_SHMIN
  597. default "0x00400000" if SH_CAYMAN
  598. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  599. default "0x009e0000" if SH_TITAN
  600. default "0x01800000" if SH_SDK7780
  601. default "0x02000000" if SH_EDOSK7760
  602. default "0x00800000"
  603. help
  604. This option allows you to set the link address offset of the zImage.
  605. This can be useful if you are on a board which has a small amount of
  606. memory.
  607. config ENTRY_OFFSET
  608. hex
  609. default "0x00001000" if PAGE_SIZE_4KB
  610. default "0x00002000" if PAGE_SIZE_8KB
  611. default "0x00004000" if PAGE_SIZE_16KB
  612. default "0x00010000" if PAGE_SIZE_64KB
  613. default "0x00000000"
  614. choice
  615. prompt "Kernel command line"
  616. optional
  617. default CMDLINE_OVERWRITE
  618. help
  619. Setting this option allows the kernel command line arguments
  620. to be set.
  621. config CMDLINE_OVERWRITE
  622. bool "Overwrite bootloader kernel arguments"
  623. help
  624. Given string will overwrite any arguments passed in by
  625. a bootloader.
  626. config CMDLINE_EXTEND
  627. bool "Extend bootloader kernel arguments"
  628. help
  629. Given string will be concatenated with arguments passed in
  630. by a bootloader.
  631. endchoice
  632. config CMDLINE
  633. string "Kernel command line arguments string"
  634. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  635. default "console=ttySC1,115200"
  636. endmenu
  637. menu "Bus options"
  638. config SUPERHYWAY
  639. tristate "SuperHyway Bus support"
  640. depends on CPU_SUBTYPE_SH4_202
  641. config MAPLE
  642. bool "Maple Bus support"
  643. depends on SH_DREAMCAST
  644. help
  645. The Maple Bus is SEGA's serial communication bus for peripherals
  646. on the Dreamcast. Without this bus support you won't be able to
  647. get your Dreamcast keyboard etc to work, so most users
  648. probably want to say 'Y' here, unless you are only using the
  649. Dreamcast with a serial line terminal or a remote network
  650. connection.
  651. config PCI
  652. bool "PCI support"
  653. depends on SYS_SUPPORTS_PCI
  654. help
  655. Find out whether you have a PCI motherboard. PCI is the name of a
  656. bus system, i.e. the way the CPU talks to the other stuff inside
  657. your box. If you have PCI, say Y, otherwise N.
  658. source "drivers/pci/pcie/Kconfig"
  659. source "drivers/pci/Kconfig"
  660. source "drivers/pcmcia/Kconfig"
  661. source "drivers/pci/hotplug/Kconfig"
  662. endmenu
  663. menu "Executable file formats"
  664. source "fs/Kconfig.binfmt"
  665. endmenu
  666. menu "Power management options (EXPERIMENTAL)"
  667. depends on EXPERIMENTAL
  668. source "kernel/power/Kconfig"
  669. source "drivers/cpuidle/Kconfig"
  670. endmenu
  671. source "net/Kconfig"
  672. source "drivers/Kconfig"
  673. source "fs/Kconfig"
  674. source "arch/sh/Kconfig.debug"
  675. source "security/Kconfig"
  676. source "crypto/Kconfig"
  677. source "lib/Kconfig"