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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 | |||
6 | mainmenu "Linux/SuperH Kernel Configuration" | ||
7 | |||
8 | config SUPERH | ||
9 | bool | ||
10 | default y | ||
11 | help | ||
12 | The SuperH is a RISC processor targeted for use in embedded systems | ||
13 | and consumer electronics; it was also used in the Sega Dreamcast | ||
14 | gaming console. The SuperH port has a home page at | ||
15 | <http://www.linux-sh.org/>. | ||
16 | |||
17 | config UID16 | ||
18 | bool | ||
19 | default y | ||
20 | |||
21 | config RWSEM_GENERIC_SPINLOCK | ||
22 | bool | ||
23 | default y | ||
24 | |||
25 | config RWSEM_XCHGADD_ALGORITHM | ||
26 | bool | ||
27 | |||
28 | config GENERIC_HARDIRQS | ||
29 | bool | ||
30 | default y | ||
31 | |||
32 | config GENERIC_IRQ_PROBE | ||
33 | bool | ||
34 | default y | ||
35 | |||
36 | config GENERIC_CALIBRATE_DELAY | ||
37 | bool | ||
38 | default y | ||
39 | |||
40 | source "init/Kconfig" | ||
41 | |||
42 | menu "System type" | ||
43 | |||
44 | choice | ||
45 | prompt "SuperH system type" | ||
46 | default SH_UNKNOWN | ||
47 | |||
48 | config SH_SOLUTION_ENGINE | ||
49 | bool "SolutionEngine" | ||
50 | help | ||
51 | Select SolutionEngine if configuring for a Hitachi SH7709 | ||
52 | or SH7750 evaluation board. | ||
53 | |||
54 | config SH_7751_SOLUTION_ENGINE | ||
55 | bool "SolutionEngine7751" | ||
56 | help | ||
57 | Select 7751 SolutionEngine if configuring for a Hitachi SH7751 | ||
58 | evaluation board. | ||
59 | |||
60 | config SH_7300_SOLUTION_ENGINE | ||
61 | bool "SolutionEngine7300" | ||
62 | help | ||
63 | Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V) | ||
64 | evaluation board. | ||
65 | |||
66 | config SH_73180_SOLUTION_ENGINE | ||
67 | bool "SolutionEngine73180" | ||
68 | help | ||
69 | Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3) | ||
70 | evaluation board. | ||
71 | |||
72 | config SH_7751_SYSTEMH | ||
73 | bool "SystemH7751R" | ||
74 | help | ||
75 | Select SystemH if you are configuring for a Renesas SystemH | ||
76 | 7751R evaluation board. | ||
77 | |||
78 | config SH_STB1_HARP | ||
79 | bool "STB1_Harp" | ||
80 | |||
81 | config SH_STB1_OVERDRIVE | ||
82 | bool "STB1_Overdrive" | ||
83 | |||
84 | config SH_HP620 | ||
85 | bool "HP620" | ||
86 | help | ||
87 | Select HP620 if configuring for a HP jornada HP620. | ||
88 | More information (hardware only) at | ||
89 | <http://www.hp.com/jornada/>. | ||
90 | |||
91 | config SH_HP680 | ||
92 | bool "HP680" | ||
93 | help | ||
94 | Select HP680 if configuring for a HP Jornada HP680. | ||
95 | More information (hardware only) at | ||
96 | <http://www.hp.com/jornada/products/680/>. | ||
97 | |||
98 | config SH_HP690 | ||
99 | bool "HP690" | ||
100 | help | ||
101 | Select HP690 if configuring for a HP Jornada HP690. | ||
102 | More information (hardware only) | ||
103 | at <http://www.hp.com/jornada/products/680/>. | ||
104 | |||
105 | config SH_CQREEK | ||
106 | bool "CqREEK" | ||
107 | help | ||
108 | Select CqREEK if configuring for a CqREEK SH7708 or SH7750. | ||
109 | More information at | ||
110 | <http://sources.redhat.com/ecos/hardware.html#SuperH>. | ||
111 | |||
112 | config SH_DMIDA | ||
113 | bool "DMIDA" | ||
114 | help | ||
115 | Select DMIDA if configuring for a DataMyte 4000 Industrial | ||
116 | Digital Assistant. More information at <http://www.dmida.com/>. | ||
117 | |||
118 | config SH_EC3104 | ||
119 | bool "EC3104" | ||
120 | help | ||
121 | Select EC3104 if configuring for a system with an Eclipse | ||
122 | International EC3104 chip, e.g. the Harris AD2000. | ||
123 | |||
124 | config SH_SATURN | ||
125 | bool "Saturn" | ||
126 | help | ||
127 | Select Saturn if configuring for a SEGA Saturn. | ||
128 | |||
129 | config SH_DREAMCAST | ||
130 | bool "Dreamcast" | ||
131 | help | ||
132 | Select Dreamcast if configuring for a SEGA Dreamcast. | ||
133 | More information at | ||
134 | <http://www.m17n.org/linux-sh/dreamcast/>. There is a | ||
135 | Dreamcast project is at <http://linuxdc.sourceforge.net/>. | ||
136 | |||
137 | config SH_CAT68701 | ||
138 | bool "CAT68701" | ||
139 | |||
140 | config SH_BIGSUR | ||
141 | bool "BigSur" | ||
142 | |||
143 | config SH_SH2000 | ||
144 | bool "SH2000" | ||
145 | help | ||
146 | SH-2000 is a single-board computer based around SH7709A chip | ||
147 | intended for embedded applications. | ||
148 | It has an Ethernet interface (CS8900A), direct connected | ||
149 | Compact Flash socket, three serial ports and PC-104 bus. | ||
150 | More information at <http://sh2000.sh-linux.org>. | ||
151 | |||
152 | config SH_ADX | ||
153 | bool "ADX" | ||
154 | |||
155 | config SH_MPC1211 | ||
156 | bool "MPC1211" | ||
157 | |||
158 | config SH_SH03 | ||
159 | bool "SH03" | ||
160 | help | ||
161 | CTP/PCI-SH03 is a CPU module computer that produced | ||
162 | by Interface Corporation. | ||
163 | It is compact and excellent in durability. | ||
164 | It will play an active part in your factory or laboratory | ||
165 | as a FA computer. | ||
166 | More information at <http://www.interface.co.jp> | ||
167 | |||
168 | config SH_SECUREEDGE5410 | ||
169 | bool "SecureEdge5410" | ||
170 | help | ||
171 | Select SecureEdge5410 if configuring for a SnapGear SH board. | ||
172 | This includes both the OEM SecureEdge products as well as the | ||
173 | SME product line. | ||
174 | |||
175 | config SH_HS7751RVOIP | ||
176 | bool "HS7751RVOIP" | ||
177 | help | ||
178 | Select HS7751RVOIP if configuring for a Renesas Technology | ||
179 | Sales VoIP board. | ||
180 | |||
181 | config SH_RTS7751R2D | ||
182 | bool "RTS7751R2D" | ||
183 | help | ||
184 | Select RTS7751R2D if configuring for a Renesas Technology | ||
185 | Sales SH-Graphics board. | ||
186 | |||
187 | config SH_EDOSK7705 | ||
188 | bool "EDOSK7705" | ||
189 | |||
190 | config SH_SH4202_MICRODEV | ||
191 | bool "SH4-202 MicroDev" | ||
192 | help | ||
193 | Select SH4-202 MicroDev if configuring for a SuperH MicroDev board | ||
194 | with an SH4-202 CPU. | ||
195 | |||
196 | config SH_UNKNOWN | ||
197 | bool "BareCPU" | ||
198 | help | ||
199 | "Bare CPU" aka "unknown" means an SH-based system which is not one | ||
200 | of the specific ones mentioned above, which means you need to enter | ||
201 | all sorts of stuff like CONFIG_MEMORY_START because the config | ||
202 | system doesn't already know what it is. You get a machine vector | ||
203 | without any platform-specific code in it, so things like the RTC may | ||
204 | not work. | ||
205 | |||
206 | This option is for the early stages of porting to a new machine. | ||
207 | |||
208 | endchoice | ||
209 | |||
210 | choice | ||
211 | prompt "Processor family" | ||
212 | default CPU_SH4 | ||
213 | help | ||
214 | This option determines the CPU family to compile for. Supported | ||
215 | targets are SH-2, SH-3, and SH-4. These options are independent of | ||
216 | CPU functionality. As such, SH-DSP users will still want to select | ||
217 | their respective processor family in addition to the DSP support | ||
218 | option. | ||
219 | |||
220 | config CPU_SH2 | ||
221 | bool "SH-2" | ||
222 | select SH_WRITETHROUGH | ||
223 | |||
224 | config CPU_SH3 | ||
225 | bool "SH-3" | ||
226 | |||
227 | config CPU_SH4 | ||
228 | bool "SH-4" | ||
229 | |||
230 | endchoice | ||
231 | |||
232 | choice | ||
233 | prompt "Processor subtype" | ||
234 | |||
235 | config CPU_SUBTYPE_SH7604 | ||
236 | bool "SH7604" | ||
237 | depends on CPU_SH2 | ||
238 | help | ||
239 | Select SH7604 if you have SH7604 | ||
240 | |||
241 | config CPU_SUBTYPE_SH7300 | ||
242 | bool "SH7300" | ||
243 | depends on CPU_SH3 | ||
244 | |||
245 | config CPU_SUBTYPE_SH7705 | ||
246 | bool "SH7705" | ||
247 | depends on CPU_SH3 | ||
248 | |||
249 | config CPU_SUBTYPE_SH7707 | ||
250 | bool "SH7707" | ||
251 | depends on CPU_SH3 | ||
252 | help | ||
253 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | ||
254 | |||
255 | config CPU_SUBTYPE_SH7708 | ||
256 | bool "SH7708" | ||
257 | depends on CPU_SH3 | ||
258 | help | ||
259 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | ||
260 | if you have a 100 Mhz SH-3 HD6417708R CPU. | ||
261 | |||
262 | config CPU_SUBTYPE_SH7709 | ||
263 | bool "SH7709" | ||
264 | depends on CPU_SH3 | ||
265 | help | ||
266 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | ||
267 | |||
268 | config CPU_SUBTYPE_SH7750 | ||
269 | bool "SH7750" | ||
270 | depends on CPU_SH4 | ||
271 | help | ||
272 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | ||
273 | |||
274 | config CPU_SUBTYPE_SH7751 | ||
275 | bool "SH7751/SH7751R" | ||
276 | depends on CPU_SH4 | ||
277 | help | ||
278 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | ||
279 | or if you have a HD6417751R CPU. | ||
280 | |||
281 | config CPU_SUBTYPE_SH7760 | ||
282 | bool "SH7760" | ||
283 | depends on CPU_SH4 | ||
284 | |||
285 | config CPU_SUBTYPE_SH73180 | ||
286 | bool "SH73180" | ||
287 | depends on CPU_SH4 | ||
288 | |||
289 | config CPU_SUBTYPE_ST40STB1 | ||
290 | bool "ST40STB1 / ST40RA" | ||
291 | depends on CPU_SH4 | ||
292 | help | ||
293 | Select ST40STB1 if you have a ST40RA CPU. | ||
294 | This was previously called the ST40STB1, hence the option name. | ||
295 | |||
296 | config CPU_SUBTYPE_ST40GX1 | ||
297 | bool "ST40GX1" | ||
298 | depends on CPU_SH4 | ||
299 | help | ||
300 | Select ST40GX1 if you have a ST40GX1 CPU. | ||
301 | |||
302 | config CPU_SUBTYPE_SH4_202 | ||
303 | bool "SH4-202" | ||
304 | depends on CPU_SH4 | ||
305 | |||
306 | endchoice | ||
307 | |||
308 | config SH7705_CACHE_32KB | ||
309 | bool "Enable 32KB cache size for SH7705" | ||
310 | depends on CPU_SUBTYPE_SH7705 | ||
311 | default y | ||
312 | |||
313 | config MMU | ||
314 | bool "Support for memory management hardware" | ||
315 | depends on !CPU_SH2 | ||
316 | default y | ||
317 | help | ||
318 | Early SH processors (such as the SH7604) lack an MMU. In order to | ||
319 | boot on these systems, this option must not be set. | ||
320 | |||
321 | On other systems (such as the SH-3 and 4) where an MMU exists, | ||
322 | turning this off will boot the kernel on these machines with the | ||
323 | MMU implicitly switched off. | ||
324 | |||
325 | choice | ||
326 | prompt "HugeTLB page size" | ||
327 | depends on HUGETLB_PAGE && CPU_SH4 && MMU | ||
328 | default HUGETLB_PAGE_SIZE_64K | ||
329 | |||
330 | config HUGETLB_PAGE_SIZE_64K | ||
331 | bool "64K" | ||
332 | |||
333 | config HUGETLB_PAGE_SIZE_1MB | ||
334 | bool "1MB" | ||
335 | |||
336 | endchoice | ||
337 | |||
338 | config CMDLINE_BOOL | ||
339 | bool "Default bootloader kernel arguments" | ||
340 | |||
341 | config CMDLINE | ||
342 | string "Initial kernel command string" | ||
343 | depends on CMDLINE_BOOL | ||
344 | default "console=ttySC1,115200" | ||
345 | |||
346 | # Platform-specific memory start and size definitions | ||
347 | config MEMORY_START | ||
348 | hex "Physical memory start address" if !MEMORY_SET || MEMORY_OVERRIDE | ||
349 | default "0x08000000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || SH_MPC1211 || SH_SH03 || SH_SECUREEDGE5410 || SH_SH4202_MICRODEV | ||
350 | default "0x0c000000" if !MEMORY_OVERRIDE && (SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_73180_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_EDOSK7705) | ||
351 | ---help--- | ||
352 | Computers built with Hitachi SuperH processors always | ||
353 | map the ROM starting at address zero. But the processor | ||
354 | does not specify the range that RAM takes. | ||
355 | |||
356 | The physical memory (RAM) start address will be automatically | ||
357 | set to 08000000, unless you selected one of the following | ||
358 | processor types: SolutionEngine, Overdrive, HP620, HP680, HP690, | ||
359 | in which case the start address will be set to 0c000000. | ||
360 | |||
361 | Tweak this only when porting to a new machine which is not already | ||
362 | known by the config system. Changing it from the known correct | ||
363 | value on any of the known systems will only lead to disaster. | ||
364 | |||
365 | config MEMORY_SIZE | ||
366 | hex "Physical memory size" if !MEMORY_SET || MEMORY_OVERRIDE | ||
367 | default "0x00400000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || !MEMORY_OVERRIDE && (SH_HP600 || SH_BIGSUR || SH_SH2000) | ||
368 | default "0x01000000" if !MEMORY_OVERRIDE && SH_DREAMCAST || SH_SECUREEDGE5410 || SH_EDOSK7705 | ||
369 | default "0x02000000" if !MEMORY_OVERRIDE && (SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE) | ||
370 | default "0x04000000" if !MEMORY_OVERRIDE && (SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV) | ||
371 | default "0x08000000" if SH_MPC1211 || SH_SH03 | ||
372 | help | ||
373 | This sets the default memory size assumed by your SH kernel. It can | ||
374 | be overridden as normal by the 'mem=' argument on the kernel command | ||
375 | line. If unsure, consult your board specifications or just leave it | ||
376 | as 0x00400000 which was the default value before this became | ||
377 | configurable. | ||
378 | |||
379 | config MEMORY_SET | ||
380 | bool | ||
381 | depends on !MEMORY_OVERRIDE && (SH_MPC1211 || SH_SH03 || SH_ADX || SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_SECUREEDGE5410 || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_EDOSK7705) | ||
382 | default y | ||
383 | help | ||
384 | This is an option about which you will never be asked a question. | ||
385 | Therefore, I conclude that you do not exist - go away. | ||
386 | |||
387 | There is a grue here. | ||
388 | |||
389 | # If none of the above have set memory start/size, ask the user. | ||
390 | config MEMORY_OVERRIDE | ||
391 | bool "Override default load address and memory size" | ||
392 | |||
393 | # XXX: break these out into the board-specific configs below | ||
394 | config CF_ENABLER | ||
395 | bool "Compact Flash Enabler support" | ||
396 | depends on SH_ADX || SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_CAT68701 || SH_SH03 | ||
397 | ---help--- | ||
398 | Compact Flash is a small, removable mass storage device introduced | ||
399 | in 1994 originally as a PCMCIA device. If you say `Y' here, you | ||
400 | compile in support for Compact Flash devices directly connected to | ||
401 | a SuperH processor. A Compact Flash FAQ is available at | ||
402 | <http://www.compactflash.org/faqs/faq.htm>. | ||
403 | |||
404 | If your board has "Directly Connected" CompactFlash at area 5 or 6, | ||
405 | you may want to enable this option. Then, you can use CF as | ||
406 | primary IDE drive (only tested for SanDisk). | ||
407 | |||
408 | If in doubt, select 'N'. | ||
409 | |||
410 | choice | ||
411 | prompt "Compact Flash Connection Area" | ||
412 | depends on CF_ENABLER | ||
413 | default CF_AREA6 | ||
414 | |||
415 | config CF_AREA5 | ||
416 | bool "Area5" | ||
417 | help | ||
418 | If your board has "Directly Connected" CompactFlash, You should | ||
419 | select the area where your CF is connected to. | ||
420 | |||
421 | - "Area5" if CompactFlash is connected to Area 5 (0x14000000) | ||
422 | - "Area6" if it is connected to Area 6 (0x18000000) | ||
423 | |||
424 | "Area6" will work for most boards. For ADX, select "Area5". | ||
425 | |||
426 | config CF_AREA6 | ||
427 | bool "Area6" | ||
428 | |||
429 | endchoice | ||
430 | |||
431 | config CF_BASE_ADDR | ||
432 | hex | ||
433 | depends on CF_ENABLER | ||
434 | default "0xb8000000" if CF_AREA6 | ||
435 | default "0xb4000000" if CF_AREA5 | ||
436 | |||
437 | # The SH7750 RTC module is disabled in the Dreamcast | ||
438 | config SH_RTC | ||
439 | bool | ||
440 | depends on !SH_DREAMCAST && !SH_SATURN && !SH_7300_SOLUTION_ENGINE && !SH_73180_SOLUTION_ENGINE | ||
441 | default y | ||
442 | help | ||
443 | Selecting this option will allow the Linux kernel to emulate | ||
444 | PC's RTC. | ||
445 | |||
446 | If unsure, say N. | ||
447 | |||
448 | config SH_FPU | ||
449 | bool "FPU support" | ||
450 | depends on !CPU_SH3 | ||
451 | default y | ||
452 | help | ||
453 | Selecting this option will enable support for SH processors that | ||
454 | have FPU units (ie, SH77xx). | ||
455 | |||
456 | This option must be set in order to enable the FPU. | ||
457 | |||
458 | config SH_DSP | ||
459 | bool "DSP support" | ||
460 | depends on !CPU_SH4 | ||
461 | default y | ||
462 | help | ||
463 | Selecting this option will enable support for SH processors that | ||
464 | have DSP units (ie, SH2-DSP and SH3-DSP). It is safe to say Y here | ||
465 | by default, as the existance of the DSP will be probed at runtime. | ||
466 | |||
467 | This option must be set in order to enable the DSP. | ||
468 | |||
469 | config SH_ADC | ||
470 | bool "ADC support" | ||
471 | depends on CPU_SH3 | ||
472 | default y | ||
473 | help | ||
474 | Selecting this option will allow the Linux kernel to use SH3 on-chip | ||
475 | ADC module. | ||
476 | |||
477 | If unsure, say N. | ||
478 | |||
479 | config SH_HP600 | ||
480 | bool | ||
481 | depends on SH_HP620 || SH_HP680 || SH_HP690 | ||
482 | default y | ||
483 | |||
484 | config CPU_SUBTYPE_ST40 | ||
485 | bool | ||
486 | depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1 | ||
487 | default y | ||
488 | |||
489 | config DISCONTIGMEM | ||
490 | bool | ||
491 | depends on SH_HP690 | ||
492 | default y | ||
493 | help | ||
494 | Say Y to upport efficient handling of discontiguous physical memory, | ||
495 | for architectures which are either NUMA (Non-Uniform Memory Access) | ||
496 | or have huge holes in the physical address space for other reasons. | ||
497 | See <file:Documentation/vm/numa> for more. | ||
498 | |||
499 | config ZERO_PAGE_OFFSET | ||
500 | hex "Zero page offset" | ||
501 | default "0x00001000" if !(SH_MPC1211 || SH_SH03) | ||
502 | default "0x00004000" if SH_MPC1211 || SH_SH03 | ||
503 | help | ||
504 | This sets the default offset of zero page. | ||
505 | |||
506 | # XXX: needs to lose subtype for system type | ||
507 | config ST40_LMI_MEMORY | ||
508 | bool "Memory on LMI" | ||
509 | depends on CPU_SUBTYPE_ST40STB1 | ||
510 | |||
511 | config MEMORY_START | ||
512 | hex | ||
513 | depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY | ||
514 | default "0x08000000" | ||
515 | |||
516 | config MEMORY_SIZE | ||
517 | hex | ||
518 | depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY | ||
519 | default "0x00400000" | ||
520 | |||
521 | config MEMORY_SET | ||
522 | bool | ||
523 | depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY | ||
524 | default y | ||
525 | |||
526 | config BOOT_LINK_OFFSET | ||
527 | hex "Link address offset for booting" | ||
528 | default "0x00800000" | ||
529 | help | ||
530 | This option allows you to set the link address offset of the zImage. | ||
531 | This can be useful if you are on a board which has a small amount of | ||
532 | memory. | ||
533 | |||
534 | config CPU_LITTLE_ENDIAN | ||
535 | bool "Little Endian" | ||
536 | help | ||
537 | Some SuperH machines can be configured for either little or big | ||
538 | endian byte order. These modes require different kernels. Say Y if | ||
539 | your machine is little endian, N if it's a big endian machine. | ||
540 | |||
541 | config PREEMPT | ||
542 | bool "Preemptible Kernel (EXPERIMENTAL)" | ||
543 | depends on EXPERIMENTAL | ||
544 | |||
545 | config UBC_WAKEUP | ||
546 | bool "Wakeup UBC on startup" | ||
547 | help | ||
548 | Selecting this option will wakeup the User Break Controller (UBC) on | ||
549 | startup. Although the UBC is left in an awake state when the processor | ||
550 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | ||
551 | power saving state, which causes issues with things like ptrace(). | ||
552 | |||
553 | If unsure, say N. | ||
554 | |||
555 | config SH_WRITETHROUGH | ||
556 | bool "Use write-through caching" | ||
557 | default y if CPU_SH2 | ||
558 | help | ||
559 | Selecting this option will configure the caches in write-through | ||
560 | mode, as opposed to the default write-back configuration. | ||
561 | |||
562 | Since there's sill some aliasing issues on SH-4, this option will | ||
563 | unfortunately still require the majority of flushing functions to | ||
564 | be implemented to deal with aliasing. | ||
565 | |||
566 | If unsure, say N. | ||
567 | |||
568 | config SH_OCRAM | ||
569 | bool "Operand Cache RAM (OCRAM) support" | ||
570 | help | ||
571 | Selecting this option will automatically tear down the number of | ||
572 | sets in the dcache by half, which in turn exposes a memory range. | ||
573 | |||
574 | The addresses for the OC RAM base will vary according to the | ||
575 | processor version. Consult vendor documentation for specifics. | ||
576 | |||
577 | If unsure, say N. | ||
578 | |||
579 | config SH_STORE_QUEUES | ||
580 | bool "Support for Store Queues" | ||
581 | depends on CPU_SH4 | ||
582 | help | ||
583 | Selecting this option will enable an in-kernel API for manipulating | ||
584 | the store queues integrated in the SH-4 processors. | ||
585 | |||
586 | config SMP | ||
587 | bool "Symmetric multi-processing support" | ||
588 | ---help--- | ||
589 | This enables support for systems with more than one CPU. If you have | ||
590 | a system with only one CPU, like most personal computers, say N. If | ||
591 | you have a system with more than one CPU, say Y. | ||
592 | |||
593 | If you say N here, the kernel will run on single and multiprocessor | ||
594 | machines, but will use only one CPU of a multiprocessor machine. If | ||
595 | you say Y here, the kernel will run on many, but not all, | ||
596 | singleprocessor machines. On a singleprocessor machine, the kernel | ||
597 | will run faster if you say N here. | ||
598 | |||
599 | People using multiprocessor machines who say Y here should also say | ||
600 | Y to "Enhanced Real Time Clock Support", below. | ||
601 | |||
602 | See also the <file:Documentation/smp.txt>, | ||
603 | <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available | ||
604 | at <http://www.tldp.org/docs.html#howto>. | ||
605 | |||
606 | If you don't know what to do here, say N. | ||
607 | |||
608 | config NR_CPUS | ||
609 | int "Maximum number of CPUs (2-32)" | ||
610 | range 2 32 | ||
611 | depends on SMP | ||
612 | default "2" | ||
613 | help | ||
614 | This allows you to specify the maximum number of CPUs which this | ||
615 | kernel will support. The maximum supported value is 32 and the | ||
616 | minimum value which makes sense is 2. | ||
617 | |||
618 | This is purely to save memory - each supported CPU adds | ||
619 | approximately eight kilobytes to the kernel image. | ||
620 | |||
621 | config HS7751RVOIP_CODEC | ||
622 | bool "Support VoIP Codec section" | ||
623 | depends on SH_HS7751RVOIP | ||
624 | help | ||
625 | Selecting this option will support CODEC section. | ||
626 | |||
627 | config RTS7751R2D_REV11 | ||
628 | bool "RTS7751R2D Rev. 1.1 board support" | ||
629 | depends on SH_RTS7751R2D | ||
630 | help | ||
631 | Selecting this option will support version rev. 1.1. | ||
632 | |||
633 | config SH_PCLK_CALC | ||
634 | bool | ||
635 | default n if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH73180 | ||
636 | default y | ||
637 | help | ||
638 | This option will cause the PCLK value to be probed at run-time. It | ||
639 | will display a notification if the probed value has greater than a | ||
640 | 1% variance of the hardcoded CONFIG_SH_PCLK_FREQ. | ||
641 | |||
642 | config SH_PCLK_FREQ | ||
643 | int "Peripheral clock frequency (in Hz)" | ||
644 | default "50000000" if CPU_SUBTYPE_SH7750 | ||
645 | default "60000000" if CPU_SUBTYPE_SH7751 | ||
646 | default "33333333" if CPU_SUBTYPE_SH7300 | ||
647 | default "27000000" if CPU_SUBTYPE_SH73180 | ||
648 | default "66000000" if CPU_SUBTYPE_SH4_202 | ||
649 | default "1193182" | ||
650 | help | ||
651 | This option is used to specify the peripheral clock frequency. This | ||
652 | option must be set for each processor in order for the kernel to | ||
653 | function reliably. If no sane default exists, we use a default from | ||
654 | the legacy i8254. Any discrepancies will be reported on boot time | ||
655 | with an auto-probed frequency which should be considered the proper | ||
656 | value for your hardware. | ||
657 | |||
658 | menu "CPU Frequency scaling" | ||
659 | |||
660 | source "drivers/cpufreq/Kconfig" | ||
661 | |||
662 | config SH_CPU_FREQ | ||
663 | tristate "SuperH CPU Frequency driver" | ||
664 | depends on CPU_FREQ | ||
665 | select CPU_FREQ_TABLE | ||
666 | help | ||
667 | This adds the cpufreq driver for SuperH. At present, only | ||
668 | the SH-4 is supported. | ||
669 | |||
670 | For details, take a look at <file:Documentation/cpu-freq>. | ||
671 | |||
672 | If unsure, say N. | ||
673 | |||
674 | endmenu | ||
675 | |||
676 | source "arch/sh/drivers/dma/Kconfig" | ||
677 | |||
678 | source "arch/sh/cchips/Kconfig" | ||
679 | |||
680 | config HEARTBEAT | ||
681 | bool "Heartbeat LED" | ||
682 | depends on SH_MPC1211 || SH_SH03 || SH_CAT68701 || SH_STB1_HARP || SH_STB1_OVERDRIVE || SH_BIGSUR || SH_7751_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_RTS7751R2D || SH_SH4202_MICRODEV | ||
683 | help | ||
684 | Use the power-on LED on your machine as a load meter. The exact | ||
685 | behavior is platform-dependent, but normally the flash frequency is | ||
686 | a hyperbolic function of the 5-minute load average. | ||
687 | |||
688 | config RTC_9701JE | ||
689 | tristate "EPSON RTC-9701JE support" | ||
690 | depends on SH_RTS7751R2D | ||
691 | help | ||
692 | Selecting this option will support EPSON RTC-9701JE. | ||
693 | |||
694 | endmenu | ||
695 | |||
696 | |||
697 | menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)" | ||
698 | |||
699 | # Even on SuperH devices which don't have an ISA bus, | ||
700 | # this variable helps the PCMCIA modules handle | ||
701 | # IRQ requesting properly -- Greg Banks. | ||
702 | # | ||
703 | # Though we're generally not interested in it when | ||
704 | # we're not using PCMCIA, so we make it dependent on | ||
705 | # PCMCIA outright. -- PFM. | ||
706 | config ISA | ||
707 | bool | ||
708 | default y if PCMCIA || SMC91X | ||
709 | help | ||
710 | Find out whether you have ISA slots on your motherboard. ISA is the | ||
711 | name of a bus system, i.e. the way the CPU talks to the other stuff | ||
712 | inside your box. Other bus systems are PCI, EISA, MicroChannel | ||
713 | (MCA) or VESA. ISA is an older system, now being displaced by PCI; | ||
714 | newer boards don't support it. If you have ISA, say Y, otherwise N. | ||
715 | |||
716 | config EISA | ||
717 | bool | ||
718 | ---help--- | ||
719 | The Extended Industry Standard Architecture (EISA) bus was | ||
720 | developed as an open alternative to the IBM MicroChannel bus. | ||
721 | |||
722 | The EISA bus provided some of the features of the IBM MicroChannel | ||
723 | bus while maintaining backward compatibility with cards made for | ||
724 | the older ISA bus. The EISA bus saw limited use between 1988 and | ||
725 | 1995 when it was made obsolete by the PCI bus. | ||
726 | |||
727 | Say Y here if you are building a kernel for an EISA-based machine. | ||
728 | |||
729 | Otherwise, say N. | ||
730 | |||
731 | config MCA | ||
732 | bool | ||
733 | help | ||
734 | MicroChannel Architecture is found in some IBM PS/2 machines and | ||
735 | laptops. It is a bus system similar to PCI or ISA. See | ||
736 | <file:Documentation/mca.txt> (and especially the web page given | ||
737 | there) before attempting to build an MCA bus kernel. | ||
738 | |||
739 | config SBUS | ||
740 | bool | ||
741 | |||
742 | config MAPLE | ||
743 | tristate "Maple Bus support" | ||
744 | depends on SH_DREAMCAST | ||
745 | default y | ||
746 | |||
747 | source "arch/sh/drivers/pci/Kconfig" | ||
748 | |||
749 | source "drivers/pci/Kconfig" | ||
750 | |||
751 | source "drivers/pcmcia/Kconfig" | ||
752 | |||
753 | source "drivers/pci/hotplug/Kconfig" | ||
754 | |||
755 | endmenu | ||
756 | |||
757 | menu "Executable file formats" | ||
758 | |||
759 | source "fs/Kconfig.binfmt" | ||
760 | |||
761 | endmenu | ||
762 | |||
763 | menu "SH initrd options" | ||
764 | depends on BLK_DEV_INITRD | ||
765 | |||
766 | config EMBEDDED_RAMDISK | ||
767 | bool "Embed root filesystem ramdisk into the kernel" | ||
768 | |||
769 | config EMBEDDED_RAMDISK_IMAGE | ||
770 | string "Filename of gziped ramdisk image" | ||
771 | depends on EMBEDDED_RAMDISK | ||
772 | default "ramdisk.gz" | ||
773 | help | ||
774 | This is the filename of the ramdisk image to be built into the | ||
775 | kernel. Relative pathnames are relative to arch/sh/ramdisk/. | ||
776 | The ramdisk image is not part of the kernel distribution; you must | ||
777 | provide one yourself. | ||
778 | |||
779 | endmenu | ||
780 | |||
781 | source "drivers/Kconfig" | ||
782 | |||
783 | source "fs/Kconfig" | ||
784 | |||
785 | source "arch/sh/oprofile/Kconfig" | ||
786 | |||
787 | source "arch/sh/Kconfig.debug" | ||
788 | |||
789 | source "security/Kconfig" | ||
790 | |||
791 | source "crypto/Kconfig" | ||
792 | |||
793 | source "lib/Kconfig" | ||