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 ARCH_HIBERNATION_POSSIBLE if MMU
  44. config SUPERH64
  45. def_bool ARCH = "sh64"
  46. config ARCH_DEFCONFIG
  47. string
  48. default "arch/sh/configs/shx3_defconfig" if SUPERH32
  49. default "arch/sh/configs/cayman_defconfig" if SUPERH64
  50. config RWSEM_GENERIC_SPINLOCK
  51. def_bool y
  52. config RWSEM_XCHGADD_ALGORITHM
  53. bool
  54. config GENERIC_BUG
  55. def_bool y
  56. depends on BUG && SUPERH32
  57. config GENERIC_CSUM
  58. def_bool y
  59. depends on SUPERH64
  60. config GENERIC_FIND_NEXT_BIT
  61. def_bool y
  62. config GENERIC_HWEIGHT
  63. def_bool y
  64. config GENERIC_HARDIRQS
  65. def_bool y
  66. config GENERIC_HARDIRQS_NO__DO_IRQ
  67. def_bool y
  68. config GENERIC_IRQ_PROBE
  69. def_bool y
  70. config IRQ_PER_CPU
  71. def_bool y
  72. config GENERIC_GPIO
  73. def_bool n
  74. config GENERIC_CALIBRATE_DELAY
  75. bool
  76. config GENERIC_IOMAP
  77. bool
  78. config GENERIC_TIME
  79. def_bool y
  80. config GENERIC_CLOCKEVENTS
  81. def_bool y
  82. config GENERIC_CLOCKEVENTS_BROADCAST
  83. bool
  84. config GENERIC_CMOS_UPDATE
  85. def_bool y
  86. depends on SH_SH03 || SH_DREAMCAST
  87. config GENERIC_LOCKBREAK
  88. def_bool y
  89. depends on SMP && PREEMPT
  90. config SYS_SUPPORTS_PM
  91. bool
  92. depends on !SMP
  93. config ARCH_SUSPEND_POSSIBLE
  94. def_bool n
  95. config ARCH_HIBERNATION_POSSIBLE
  96. def_bool n
  97. config SYS_SUPPORTS_APM_EMULATION
  98. bool
  99. select ARCH_SUSPEND_POSSIBLE
  100. config SYS_SUPPORTS_HUGETLBFS
  101. bool
  102. config SYS_SUPPORTS_SMP
  103. bool
  104. config SYS_SUPPORTS_NUMA
  105. bool
  106. config SYS_SUPPORTS_PCI
  107. bool
  108. config SYS_SUPPORTS_CMT
  109. bool
  110. config SYS_SUPPORTS_MTU2
  111. bool
  112. config SYS_SUPPORTS_TMU
  113. bool
  114. config STACKTRACE_SUPPORT
  115. def_bool y
  116. config LOCKDEP_SUPPORT
  117. def_bool y
  118. config HAVE_LATENCYTOP_SUPPORT
  119. def_bool y
  120. depends on !SMP
  121. config ARCH_HAS_ILOG2_U32
  122. def_bool n
  123. config ARCH_HAS_ILOG2_U64
  124. def_bool n
  125. config ARCH_NO_VIRT_TO_BUS
  126. def_bool y
  127. config ARCH_HAS_DEFAULT_IDLE
  128. def_bool y
  129. config ARCH_HAS_CPU_IDLE_WAIT
  130. def_bool y
  131. config IO_TRAPPED
  132. bool
  133. config DMA_COHERENT
  134. bool
  135. config DMA_NONCOHERENT
  136. def_bool !DMA_COHERENT
  137. source "init/Kconfig"
  138. source "kernel/Kconfig.freezer"
  139. menu "System type"
  140. #
  141. # Processor families
  142. #
  143. config CPU_SH2
  144. bool
  145. config CPU_SH2A
  146. bool
  147. select CPU_SH2
  148. config CPU_SH3
  149. bool
  150. select CPU_HAS_INTEVT
  151. select CPU_HAS_SR_RB
  152. select SYS_SUPPORTS_TMU
  153. config CPU_SH4
  154. bool
  155. select CPU_HAS_INTEVT
  156. select CPU_HAS_SR_RB
  157. select CPU_HAS_FPU if !CPU_SH4AL_DSP
  158. select SYS_SUPPORTS_TMU
  159. select SYS_SUPPORTS_HUGETLBFS if MMU
  160. config CPU_SH4A
  161. bool
  162. select CPU_SH4
  163. config CPU_SH4AL_DSP
  164. bool
  165. select CPU_SH4A
  166. select CPU_HAS_DSP
  167. config CPU_SH5
  168. bool
  169. select CPU_HAS_FPU
  170. select SYS_SUPPORTS_TMU
  171. select SYS_SUPPORTS_HUGETLBFS if MMU
  172. config CPU_SHX2
  173. bool
  174. config CPU_SHX3
  175. bool
  176. select DMA_COHERENT
  177. config ARCH_SHMOBILE
  178. bool
  179. select ARCH_SUSPEND_POSSIBLE
  180. select PM
  181. select PM_RUNTIME
  182. if SUPERH32
  183. choice
  184. prompt "Processor sub-type selection"
  185. #
  186. # Processor subtypes
  187. #
  188. # SH-2 Processor Support
  189. config CPU_SUBTYPE_SH7619
  190. bool "Support SH7619 processor"
  191. select CPU_SH2
  192. select SYS_SUPPORTS_CMT
  193. # SH-2A Processor Support
  194. config CPU_SUBTYPE_SH7201
  195. bool "Support SH7201 processor"
  196. select CPU_SH2A
  197. select CPU_HAS_FPU
  198. select SYS_SUPPORTS_MTU2
  199. config CPU_SUBTYPE_SH7203
  200. bool "Support SH7203 processor"
  201. select CPU_SH2A
  202. select CPU_HAS_FPU
  203. select SYS_SUPPORTS_CMT
  204. select SYS_SUPPORTS_MTU2
  205. config CPU_SUBTYPE_SH7206
  206. bool "Support SH7206 processor"
  207. select CPU_SH2A
  208. select SYS_SUPPORTS_CMT
  209. select SYS_SUPPORTS_MTU2
  210. config CPU_SUBTYPE_SH7263
  211. bool "Support SH7263 processor"
  212. select CPU_SH2A
  213. select CPU_HAS_FPU
  214. select SYS_SUPPORTS_CMT
  215. select SYS_SUPPORTS_MTU2
  216. config CPU_SUBTYPE_MXG
  217. bool "Support MX-G processor"
  218. select CPU_SH2A
  219. select SYS_SUPPORTS_MTU2
  220. help
  221. Select MX-G if running on an R8A03022BG part.
  222. # SH-3 Processor Support
  223. config CPU_SUBTYPE_SH7705
  224. bool "Support SH7705 processor"
  225. select CPU_SH3
  226. config CPU_SUBTYPE_SH7706
  227. bool "Support SH7706 processor"
  228. select CPU_SH3
  229. help
  230. Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
  231. config CPU_SUBTYPE_SH7707
  232. bool "Support SH7707 processor"
  233. select CPU_SH3
  234. help
  235. Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
  236. config CPU_SUBTYPE_SH7708
  237. bool "Support SH7708 processor"
  238. select CPU_SH3
  239. help
  240. Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
  241. if you have a 100 Mhz SH-3 HD6417708R CPU.
  242. config CPU_SUBTYPE_SH7709
  243. bool "Support SH7709 processor"
  244. select CPU_SH3
  245. help
  246. Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
  247. config CPU_SUBTYPE_SH7710
  248. bool "Support SH7710 processor"
  249. select CPU_SH3
  250. select CPU_HAS_DSP
  251. help
  252. Select SH7710 if you have a SH3-DSP SH7710 CPU.
  253. config CPU_SUBTYPE_SH7712
  254. bool "Support SH7712 processor"
  255. select CPU_SH3
  256. select CPU_HAS_DSP
  257. help
  258. Select SH7712 if you have a SH3-DSP SH7712 CPU.
  259. config CPU_SUBTYPE_SH7720
  260. bool "Support SH7720 processor"
  261. select CPU_SH3
  262. select CPU_HAS_DSP
  263. select SYS_SUPPORTS_CMT
  264. help
  265. Select SH7720 if you have a SH3-DSP SH7720 CPU.
  266. config CPU_SUBTYPE_SH7721
  267. bool "Support SH7721 processor"
  268. select CPU_SH3
  269. select CPU_HAS_DSP
  270. select SYS_SUPPORTS_CMT
  271. help
  272. Select SH7721 if you have a SH3-DSP SH7721 CPU.
  273. # SH-4 Processor Support
  274. config CPU_SUBTYPE_SH7750
  275. bool "Support SH7750 processor"
  276. select CPU_SH4
  277. help
  278. Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
  279. config CPU_SUBTYPE_SH7091
  280. bool "Support SH7091 processor"
  281. select CPU_SH4
  282. help
  283. Select SH7091 if you have an SH-4 based Sega device (such as
  284. the Dreamcast, Naomi, and Naomi 2).
  285. config CPU_SUBTYPE_SH7750R
  286. bool "Support SH7750R processor"
  287. select CPU_SH4
  288. config CPU_SUBTYPE_SH7750S
  289. bool "Support SH7750S processor"
  290. select CPU_SH4
  291. config CPU_SUBTYPE_SH7751
  292. bool "Support SH7751 processor"
  293. select CPU_SH4
  294. help
  295. Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
  296. or if you have a HD6417751R CPU.
  297. config CPU_SUBTYPE_SH7751R
  298. bool "Support SH7751R processor"
  299. select CPU_SH4
  300. config CPU_SUBTYPE_SH7760
  301. bool "Support SH7760 processor"
  302. select CPU_SH4
  303. config CPU_SUBTYPE_SH4_202
  304. bool "Support SH4-202 processor"
  305. select CPU_SH4
  306. # SH-4A Processor Support
  307. config CPU_SUBTYPE_SH7723
  308. bool "Support SH7723 processor"
  309. select CPU_SH4A
  310. select CPU_SHX2
  311. select ARCH_SHMOBILE
  312. select ARCH_SPARSEMEM_ENABLE
  313. select SYS_SUPPORTS_CMT
  314. help
  315. Select SH7723 if you have an SH-MobileR2 CPU.
  316. config CPU_SUBTYPE_SH7724
  317. bool "Support SH7724 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 SH7724 if you have an SH-MobileR2R CPU.
  325. config CPU_SUBTYPE_SH7757
  326. bool "Support SH7757 processor"
  327. select CPU_SH4A
  328. select CPU_SHX2
  329. help
  330. Select SH7757 if you have a SH4A SH7757 CPU.
  331. config CPU_SUBTYPE_SH7763
  332. bool "Support SH7763 processor"
  333. select CPU_SH4A
  334. help
  335. Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
  336. config CPU_SUBTYPE_SH7770
  337. bool "Support SH7770 processor"
  338. select CPU_SH4A
  339. config CPU_SUBTYPE_SH7780
  340. bool "Support SH7780 processor"
  341. select CPU_SH4A
  342. config CPU_SUBTYPE_SH7785
  343. bool "Support SH7785 processor"
  344. select CPU_SH4A
  345. select CPU_SHX2
  346. select ARCH_SPARSEMEM_ENABLE
  347. select SYS_SUPPORTS_NUMA
  348. config CPU_SUBTYPE_SH7786
  349. bool "Support SH7786 processor"
  350. select CPU_SH4A
  351. select CPU_SHX3
  352. select CPU_HAS_PTEAEX
  353. select ARCH_SPARSEMEM_ENABLE
  354. select SYS_SUPPORTS_NUMA
  355. select SYS_SUPPORTS_SMP
  356. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  357. config CPU_SUBTYPE_SHX3
  358. bool "Support SH-X3 processor"
  359. select CPU_SH4A
  360. select CPU_SHX3
  361. select ARCH_SPARSEMEM_ENABLE
  362. select SYS_SUPPORTS_NUMA
  363. select SYS_SUPPORTS_SMP
  364. select GENERIC_CLOCKEVENTS_BROADCAST if SMP
  365. # SH4AL-DSP Processor Support
  366. config CPU_SUBTYPE_SH7343
  367. bool "Support SH7343 processor"
  368. select CPU_SH4AL_DSP
  369. select ARCH_SHMOBILE
  370. select SYS_SUPPORTS_CMT
  371. config CPU_SUBTYPE_SH7722
  372. bool "Support SH7722 processor"
  373. select CPU_SH4AL_DSP
  374. select CPU_SHX2
  375. select ARCH_SHMOBILE
  376. select ARCH_SPARSEMEM_ENABLE
  377. select SYS_SUPPORTS_NUMA
  378. select SYS_SUPPORTS_CMT
  379. config CPU_SUBTYPE_SH7366
  380. bool "Support SH7366 processor"
  381. select CPU_SH4AL_DSP
  382. select CPU_SHX2
  383. select ARCH_SHMOBILE
  384. select ARCH_SPARSEMEM_ENABLE
  385. select SYS_SUPPORTS_NUMA
  386. select SYS_SUPPORTS_CMT
  387. endchoice
  388. endif
  389. if SUPERH64
  390. choice
  391. prompt "Processor sub-type selection"
  392. # SH-5 Processor Support
  393. config CPU_SUBTYPE_SH5_101
  394. bool "Support SH5-101 processor"
  395. select CPU_SH5
  396. config CPU_SUBTYPE_SH5_103
  397. bool "Support SH5-103 processor"
  398. select CPU_SH5
  399. endchoice
  400. endif
  401. source "arch/sh/mm/Kconfig"
  402. source "arch/sh/Kconfig.cpu"
  403. source "arch/sh/boards/Kconfig"
  404. menu "Timer and clock configuration"
  405. config SH_TIMER_TMU
  406. bool "TMU timer driver"
  407. depends on SYS_SUPPORTS_TMU
  408. default y
  409. help
  410. This enables the build of the TMU timer driver.
  411. config SH_TIMER_CMT
  412. bool "CMT timer driver"
  413. depends on SYS_SUPPORTS_CMT
  414. default y
  415. help
  416. This enables build of the CMT timer driver.
  417. config SH_TIMER_MTU2
  418. bool "MTU2 timer driver"
  419. depends on SYS_SUPPORTS_MTU2
  420. default y
  421. help
  422. This enables build of the MTU2 timer driver.
  423. config SH_PCLK_FREQ
  424. int "Peripheral clock frequency (in Hz)"
  425. default "27000000" if CPU_SUBTYPE_SH7343
  426. default "31250000" if CPU_SUBTYPE_SH7619
  427. default "32000000" if CPU_SUBTYPE_SH7722
  428. default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
  429. CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
  430. CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
  431. CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
  432. CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
  433. default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
  434. default "66000000" if CPU_SUBTYPE_SH4_202
  435. default "50000000"
  436. help
  437. This option is used to specify the peripheral clock frequency.
  438. This is necessary for determining the reference clock value on
  439. platforms lacking an RTC.
  440. config SH_CLK_CPG
  441. def_bool y
  442. config SH_CLK_CPG_LEGACY
  443. depends on SH_CLK_CPG
  444. def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE
  445. config SH_CLK_MD
  446. int "CPU Mode Pin Setting"
  447. depends on CPU_SH2
  448. default 6 if CPU_SUBTYPE_SH7206
  449. default 5 if CPU_SUBTYPE_SH7619
  450. default 0
  451. help
  452. MD2 - MD0 pin setting.
  453. source "kernel/time/Kconfig"
  454. endmenu
  455. menu "CPU Frequency scaling"
  456. source "drivers/cpufreq/Kconfig"
  457. config SH_CPU_FREQ
  458. tristate "SuperH CPU Frequency driver"
  459. depends on CPU_FREQ
  460. select CPU_FREQ_TABLE
  461. help
  462. This adds the cpufreq driver for SuperH. Any CPU that supports
  463. clock rate rounding through the clock framework can use this
  464. driver. While it will make the kernel slightly larger, this is
  465. harmless for CPUs that don't support rate rounding. The driver
  466. will also generate a notice in the boot log before disabling
  467. itself if the CPU in question is not capable of rate rounding.
  468. For details, take a look at <file:Documentation/cpu-freq>.
  469. If unsure, say N.
  470. endmenu
  471. source "arch/sh/drivers/Kconfig"
  472. endmenu
  473. menu "Kernel features"
  474. source kernel/Kconfig.hz
  475. config KEXEC
  476. bool "kexec system call (EXPERIMENTAL)"
  477. depends on SUPERH32 && EXPERIMENTAL && MMU
  478. help
  479. kexec is a system call that implements the ability to shutdown your
  480. current kernel, and to start another kernel. It is like a reboot
  481. but it is independent of the system firmware. And like a reboot
  482. you can start any kernel with it, not just Linux.
  483. The name comes from the similarity to the exec system call.
  484. It is an ongoing process to be certain the hardware in a machine
  485. is properly shutdown, so do not be surprised if this code does not
  486. initially work for you. It may help to enable device hotplugging
  487. support. As of this writing the exact hardware interface is
  488. strongly in flux, so no good recommendation can be made.
  489. config CRASH_DUMP
  490. bool "kernel crash dumps (EXPERIMENTAL)"
  491. depends on SUPERH32 && EXPERIMENTAL
  492. help
  493. Generate crash dump after being started by kexec.
  494. This should be normally only set in special crash dump kernels
  495. which are loaded in the main kernel with kexec-tools into
  496. a specially reserved region and then later executed after
  497. a crash by kdump/kexec. The crash dump kernel must be compiled
  498. to a memory address not used by the main kernel using
  499. MEMORY_START.
  500. For more details see Documentation/kdump/kdump.txt
  501. config KEXEC_JUMP
  502. bool "kexec jump (EXPERIMENTAL)"
  503. depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
  504. help
  505. Jump between original kernel and kexeced kernel and invoke
  506. code via KEXEC
  507. config SECCOMP
  508. bool "Enable seccomp to safely compute untrusted bytecode"
  509. depends on PROC_FS
  510. help
  511. This kernel feature is useful for number crunching applications
  512. that may need to compute untrusted bytecode during their
  513. execution. By using pipes or other transports made available to
  514. the process as file descriptors supporting the read/write
  515. syscalls, it's possible to isolate those applications in
  516. their own address space using seccomp. Once seccomp is
  517. enabled via prctl, it cannot be disabled and the task is only
  518. allowed to execute a few safe syscalls defined by each seccomp
  519. mode.
  520. If unsure, say N.
  521. config SMP
  522. bool "Symmetric multi-processing support"
  523. depends on SYS_SUPPORTS_SMP
  524. select USE_GENERIC_SMP_HELPERS
  525. ---help---
  526. This enables support for systems with more than one CPU. If you have
  527. a system with only one CPU, like most personal computers, say N. If
  528. you have a system with more than one CPU, say Y.
  529. If you say N here, the kernel will run on single and multiprocessor
  530. machines, but will use only one CPU of a multiprocessor machine. If
  531. you say Y here, the kernel will run on many, but not all,
  532. singleprocessor machines. On a singleprocessor machine, the kernel
  533. will run faster if you say N here.
  534. People using multiprocessor machines who say Y here should also say
  535. Y to "Enhanced Real Time Clock Support", below.
  536. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
  537. available at <http://www.tldp.org/docs.html#howto>.
  538. If you don't know what to do here, say N.
  539. config NR_CPUS
  540. int "Maximum number of CPUs (2-32)"
  541. range 2 32
  542. depends on SMP
  543. default "4" if CPU_SUBTYPE_SHX3
  544. default "2"
  545. help
  546. This allows you to specify the maximum number of CPUs which this
  547. kernel will support. The maximum supported value is 32 and the
  548. minimum value which makes sense is 2.
  549. This is purely to save memory - each supported CPU adds
  550. approximately eight kilobytes to the kernel image.
  551. source "kernel/Kconfig.preempt"
  552. config GUSA
  553. def_bool y
  554. depends on !SMP && SUPERH32
  555. help
  556. This enables support for gUSA (general UserSpace Atomicity).
  557. This is the default implementation for both UP and non-ll/sc
  558. CPUs, and is used by the libc, amongst others.
  559. For additional information, design information can be found
  560. in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
  561. This should only be disabled for special cases where alternate
  562. atomicity implementations exist.
  563. config GUSA_RB
  564. bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
  565. depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
  566. help
  567. Enabling this option will allow the kernel to implement some
  568. atomic operations using a software implementation of load-locked/
  569. store-conditional (LLSC). On machines which do not have hardware
  570. LLSC, this should be more efficient than the other alternative of
  571. disabling interrupts around the atomic sequence.
  572. config SPARSE_IRQ
  573. bool "Support sparse irq numbering"
  574. depends on EXPERIMENTAL
  575. help
  576. This enables support for sparse irqs. This is useful in general
  577. as most CPUs have a fairly sparse array of IRQ vectors, which
  578. the irq_desc then maps directly on to. Systems with a high
  579. number of off-chip IRQs will want to treat this as
  580. experimental until they have been independently verified.
  581. If you don't know what to do here, say N.
  582. endmenu
  583. menu "Boot options"
  584. config ZERO_PAGE_OFFSET
  585. hex
  586. default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
  587. SH_7751_SOLUTION_ENGINE
  588. default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
  589. default "0x00002000" if PAGE_SIZE_8KB
  590. default "0x00001000"
  591. help
  592. This sets the default offset of zero page.
  593. config BOOT_LINK_OFFSET
  594. hex
  595. default "0x00210000" if SH_SHMIN
  596. default "0x00400000" if SH_CAYMAN
  597. default "0x00810000" if SH_7780_SOLUTION_ENGINE
  598. default "0x009e0000" if SH_TITAN
  599. default "0x01800000" if SH_SDK7780
  600. default "0x02000000" if SH_EDOSK7760
  601. default "0x00800000"
  602. help
  603. This option allows you to set the link address offset of the zImage.
  604. This can be useful if you are on a board which has a small amount of
  605. memory.
  606. config ENTRY_OFFSET
  607. hex
  608. default "0x00001000" if PAGE_SIZE_4KB
  609. default "0x00002000" if PAGE_SIZE_8KB
  610. default "0x00004000" if PAGE_SIZE_16KB
  611. default "0x00010000" if PAGE_SIZE_64KB
  612. default "0x00000000"
  613. choice
  614. prompt "Kernel command line"
  615. optional
  616. default CMDLINE_OVERWRITE
  617. help
  618. Setting this option allows the kernel command line arguments
  619. to be set.
  620. config CMDLINE_OVERWRITE
  621. bool "Overwrite bootloader kernel arguments"
  622. help
  623. Given string will overwrite any arguments passed in by
  624. a bootloader.
  625. config CMDLINE_EXTEND
  626. bool "Extend bootloader kernel arguments"
  627. help
  628. Given string will be concatenated with arguments passed in
  629. by a bootloader.
  630. endchoice
  631. config CMDLINE
  632. string "Kernel command line arguments string"
  633. depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
  634. default "console=ttySC1,115200"
  635. endmenu
  636. menu "Bus options"
  637. config SUPERHYWAY
  638. tristate "SuperHyway Bus support"
  639. depends on CPU_SUBTYPE_SH4_202
  640. config MAPLE
  641. bool "Maple Bus support"
  642. depends on SH_DREAMCAST
  643. help
  644. The Maple Bus is SEGA's serial communication bus for peripherals
  645. on the Dreamcast. Without this bus support you won't be able to
  646. get your Dreamcast keyboard etc to work, so most users
  647. probably want to say 'Y' here, unless you are only using the
  648. Dreamcast with a serial line terminal or a remote network
  649. connection.
  650. config PCI
  651. bool "PCI support"
  652. depends on SYS_SUPPORTS_PCI
  653. help
  654. Find out whether you have a PCI motherboard. PCI is the name of a
  655. bus system, i.e. the way the CPU talks to the other stuff inside
  656. your box. If you have PCI, say Y, otherwise N.
  657. source "drivers/pci/pcie/Kconfig"
  658. source "drivers/pci/Kconfig"
  659. source "drivers/pcmcia/Kconfig"
  660. source "drivers/pci/hotplug/Kconfig"
  661. endmenu
  662. menu "Executable file formats"
  663. source "fs/Kconfig.binfmt"
  664. endmenu
  665. menu "Power management options (EXPERIMENTAL)"
  666. depends on EXPERIMENTAL
  667. source "kernel/power/Kconfig"
  668. source "drivers/cpuidle/Kconfig"
  669. endmenu
  670. source "net/Kconfig"
  671. source "drivers/Kconfig"
  672. source "fs/Kconfig"
  673. source "arch/sh/Kconfig.debug"
  674. source "security/Kconfig"
  675. source "crypto/Kconfig"
  676. source "lib/Kconfig"