Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | |
7a440c95 | 11 | select EMBEDDED |
1da177e4 LT |
12 | help |
13 | The SuperH is a RISC processor targeted for use in embedded systems | |
14 | and consumer electronics; it was also used in the Sega Dreamcast | |
15 | gaming console. The SuperH port has a home page at | |
16 | <http://www.linux-sh.org/>. | |
17 | ||
1da177e4 LT |
18 | config RWSEM_GENERIC_SPINLOCK |
19 | bool | |
20 | default y | |
21 | ||
22 | config RWSEM_XCHGADD_ALGORITHM | |
23 | bool | |
24 | ||
fa691511 PM |
25 | config GENERIC_BUG |
26 | def_bool y | |
27 | depends on BUG | |
28 | ||
e2268c71 AM |
29 | config GENERIC_FIND_NEXT_BIT |
30 | bool | |
31 | default y | |
32 | ||
33 | config GENERIC_HWEIGHT | |
34 | bool | |
35 | default y | |
36 | ||
1da177e4 LT |
37 | config GENERIC_HARDIRQS |
38 | bool | |
39 | default y | |
40 | ||
41 | config GENERIC_IRQ_PROBE | |
42 | bool | |
43 | default y | |
44 | ||
45 | config GENERIC_CALIBRATE_DELAY | |
46 | bool | |
47 | default y | |
48 | ||
cad82448 PM |
49 | config GENERIC_IOMAP |
50 | bool | |
51 | ||
45882145 PM |
52 | config GENERIC_TIME |
53 | def_bool n | |
54 | ||
57be2b48 PM |
55 | config GENERIC_CLOCKEVENTS |
56 | def_bool n | |
57 | ||
357d5946 PM |
58 | config SYS_SUPPORTS_PM |
59 | bool | |
60 | ||
0a9b0db1 PM |
61 | config SYS_SUPPORTS_APM_EMULATION |
62 | bool | |
357d5946 PM |
63 | select SYS_SUPPORTS_PM |
64 | ||
65 | config SYS_SUPPORTS_SMP | |
66 | bool | |
67 | ||
68 | config SYS_SUPPORTS_NUMA | |
69 | bool | |
70 | ||
71 | config SYS_SUPPORTS_PCI | |
72 | bool | |
0a9b0db1 | 73 | |
a08b6b79 Z |
74 | config ARCH_MAY_HAVE_PC_FDC |
75 | bool | |
a08b6b79 | 76 | |
afbfb52e PM |
77 | config STACKTRACE_SUPPORT |
78 | bool | |
79 | default y | |
80 | ||
81 | config LOCKDEP_SUPPORT | |
82 | bool | |
83 | default y | |
84 | ||
f0d1b0b3 DH |
85 | config ARCH_HAS_ILOG2_U32 |
86 | bool | |
87 | default n | |
88 | ||
89 | config ARCH_HAS_ILOG2_U64 | |
90 | bool | |
91 | default n | |
92 | ||
1da177e4 LT |
93 | source "init/Kconfig" |
94 | ||
95 | menu "System type" | |
96 | ||
f3d22298 PM |
97 | source "arch/sh/mm/Kconfig" |
98 | ||
99 | menu "Processor features" | |
bc8fb5d0 | 100 | |
1da177e4 | 101 | choice |
f3d22298 PM |
102 | prompt "Endianess selection" |
103 | default CPU_LITTLE_ENDIAN | |
104 | help | |
105 | Some SuperH machines can be configured for either little or big | |
106 | endian byte order. These modes require different kernels. | |
107 | ||
108 | config CPU_LITTLE_ENDIAN | |
109 | bool "Little Endian" | |
110 | ||
111 | config CPU_BIG_ENDIAN | |
112 | bool "Big Endian" | |
113 | ||
114 | endchoice | |
115 | ||
116 | config SH_FPU | |
117 | bool "FPU support" | |
357d5946 | 118 | depends on CPU_SH4 |
f3d22298 PM |
119 | default y |
120 | help | |
121 | Selecting this option will enable support for SH processors that | |
122 | have FPU units (ie, SH77xx). | |
123 | ||
124 | This option must be set in order to enable the FPU. | |
125 | ||
126 | config SH_FPU_EMU | |
127 | bool "FPU emulation support" | |
128 | depends on !SH_FPU && EXPERIMENTAL | |
129 | default n | |
130 | help | |
131 | Selecting this option will enable support for software FPU emulation. | |
132 | Most SH-3 users will want to say Y here, whereas most SH-4 users will | |
133 | want to say N. | |
134 | ||
135 | config SH_DSP | |
136 | bool "DSP support" | |
137 | default y if SH4AL_DSP || !CPU_SH4 | |
138 | default n | |
139 | help | |
140 | Selecting this option will enable support for SH processors that | |
141 | have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). | |
142 | ||
143 | This option must be set in order to enable the DSP. | |
144 | ||
145 | config SH_ADC | |
146 | bool "ADC support" | |
147 | depends on CPU_SH3 | |
148 | default y | |
149 | help | |
150 | Selecting this option will allow the Linux kernel to use SH3 on-chip | |
151 | ADC module. | |
152 | ||
153 | If unsure, say N. | |
154 | ||
155 | config SH_STORE_QUEUES | |
156 | bool "Support for Store Queues" | |
157 | depends on CPU_SH4 | |
158 | help | |
159 | Selecting this option will enable an in-kernel API for manipulating | |
160 | the store queues integrated in the SH-4 processors. | |
161 | ||
162 | config SPECULATIVE_EXECUTION | |
163 | bool "Speculative subroutine return" | |
164 | depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL | |
165 | help | |
166 | This enables support for a speculative instruction fetch for | |
167 | subroutine return. There are various pitfalls associated with | |
168 | this, as outlined in the SH7780 hardware manual. | |
169 | ||
170 | If unsure, say N. | |
171 | ||
172 | config CPU_HAS_INTEVT | |
173 | bool | |
174 | ||
f3d22298 PM |
175 | config CPU_HAS_MASKREG_IRQ |
176 | bool | |
177 | ||
02ab3f70 MD |
178 | config CPU_HAS_INTC_IRQ |
179 | bool | |
180 | ||
f3d22298 PM |
181 | config CPU_HAS_INTC2_IRQ |
182 | bool | |
183 | ||
184 | config CPU_HAS_IPR_IRQ | |
185 | bool | |
186 | ||
187 | config CPU_HAS_SR_RB | |
188 | bool "CPU has SR.RB" | |
189 | depends on CPU_SH3 || CPU_SH4 | |
190 | default y | |
191 | help | |
192 | This will enable the use of SR.RB register bank usage. Processors | |
193 | that are lacking this bit must have another method in place for | |
194 | accomplishing what is taken care of by the banked registers. | |
195 | ||
196 | See <file:Documentation/sh/register-banks.txt> for further | |
197 | information on SR.RB and register banking in the kernel in general. | |
198 | ||
199 | config CPU_HAS_PTEA | |
200 | bool | |
201 | ||
202 | endmenu | |
203 | ||
204 | menu "Board support" | |
205 | ||
206 | config SOLUTION_ENGINE | |
207 | bool | |
1da177e4 LT |
208 | |
209 | config SH_SOLUTION_ENGINE | |
210 | bool "SolutionEngine" | |
bc8fb5d0 | 211 | select SOLUTION_ENGINE |
56386f64 | 212 | select CPU_HAS_IPR_IRQ |
f3d22298 | 213 | depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750 |
1da177e4 LT |
214 | help |
215 | Select SolutionEngine if configuring for a Hitachi SH7709 | |
216 | or SH7750 evaluation board. | |
217 | ||
f3d22298 PM |
218 | config SH_7206_SOLUTION_ENGINE |
219 | bool "SolutionEngine7206" | |
220 | select SOLUTION_ENGINE | |
221 | depends on CPU_SUBTYPE_SH7206 | |
222 | help | |
223 | Select 7206 SolutionEngine if configuring for a Hitachi SH7206 | |
224 | evaluation board. | |
225 | ||
226 | config SH_7619_SOLUTION_ENGINE | |
227 | bool "SolutionEngine7619" | |
228 | select SOLUTION_ENGINE | |
229 | depends on CPU_SUBTYPE_SH7619 | |
230 | help | |
231 | Select 7619 SolutionEngine if configuring for a Hitachi SH7619 | |
232 | evaluation board. | |
233 | ||
6865f0ea RS |
234 | config SH_7722_SOLUTION_ENGINE |
235 | bool "SolutionEngine7722" | |
236 | select SOLUTION_ENGINE | |
f3d22298 | 237 | depends on CPU_SUBTYPE_SH7722 |
6865f0ea RS |
238 | help |
239 | Select 7722 SolutionEngine if configuring for a Hitachi SH772 | |
240 | evaluation board. | |
241 | ||
1da177e4 LT |
242 | config SH_7751_SOLUTION_ENGINE |
243 | bool "SolutionEngine7751" | |
bc8fb5d0 | 244 | select SOLUTION_ENGINE |
56386f64 | 245 | select CPU_HAS_IPR_IRQ |
f3d22298 | 246 | depends on CPU_SUBTYPE_SH7751 |
1da177e4 LT |
247 | help |
248 | Select 7751 SolutionEngine if configuring for a Hitachi SH7751 | |
249 | evaluation board. | |
b7576230 NI |
250 | |
251 | config SH_7780_SOLUTION_ENGINE | |
252 | bool "SolutionEngine7780" | |
253 | select SOLUTION_ENGINE | |
357d5946 | 254 | select SYS_SUPPORTS_PCI |
39c7aa9e | 255 | select CPU_HAS_INTC2_IRQ |
f3d22298 | 256 | depends on CPU_SUBTYPE_SH7780 |
b7576230 NI |
257 | help |
258 | Select 7780 SolutionEngine if configuring for a Renesas SH7780 | |
259 | evaluation board. | |
1da177e4 LT |
260 | |
261 | config SH_7300_SOLUTION_ENGINE | |
262 | bool "SolutionEngine7300" | |
bc8fb5d0 | 263 | select SOLUTION_ENGINE |
f3d22298 | 264 | depends on CPU_SUBTYPE_SH7300 |
1da177e4 | 265 | help |
bc8fb5d0 PM |
266 | Select 7300 SolutionEngine if configuring for a Hitachi |
267 | SH7300(SH-Mobile V) evaluation board. | |
268 | ||
269 | config SH_7343_SOLUTION_ENGINE | |
270 | bool "SolutionEngine7343" | |
271 | select SOLUTION_ENGINE | |
f3d22298 | 272 | depends on CPU_SUBTYPE_SH7343 |
bc8fb5d0 PM |
273 | help |
274 | Select 7343 SolutionEngine if configuring for a Hitachi | |
275 | SH7343 (SH-Mobile 3AS) evaluation board. | |
1da177e4 | 276 | |
1da177e4 LT |
277 | config SH_7751_SYSTEMH |
278 | bool "SystemH7751R" | |
f3d22298 | 279 | depends on CPU_SUBTYPE_SH7751R |
1da177e4 LT |
280 | help |
281 | Select SystemH if you are configuring for a Renesas SystemH | |
282 | 7751R evaluation board. | |
283 | ||
cad82448 PM |
284 | config SH_HP6XX |
285 | bool "HP6XX" | |
0a9b0db1 | 286 | select SYS_SUPPORTS_APM_EMULATION |
357d5946 | 287 | select HD6446X_SERIES |
f3d22298 | 288 | depends on CPU_SUBTYPE_SH7709 |
1da177e4 | 289 | help |
cad82448 | 290 | Select HP6XX if configuring for a HP jornada HP6xx. |
1da177e4 LT |
291 | More information (hardware only) at |
292 | <http://www.hp.com/jornada/>. | |
293 | ||
1da177e4 LT |
294 | config SH_DREAMCAST |
295 | bool "Dreamcast" | |
357d5946 | 296 | select SYS_SUPPORTS_PCI |
f3d22298 | 297 | depends on CPU_SUBTYPE_SH7091 |
1da177e4 LT |
298 | help |
299 | Select Dreamcast if configuring for a SEGA Dreamcast. | |
300 | More information at | |
301 | <http://www.m17n.org/linux-sh/dreamcast/>. There is a | |
302 | Dreamcast project is at <http://linuxdc.sourceforge.net/>. | |
303 | ||
1da177e4 | 304 | config SH_MPC1211 |
cad82448 | 305 | bool "Interface MPC1211" |
f3d22298 | 306 | depends on CPU_SUBTYPE_SH7751 && BROKEN |
cad82448 PM |
307 | help |
308 | CTP/PCI-SH02 is a CPU module computer that is produced | |
309 | by Interface Corporation. | |
310 | More information at <http://www.interface.co.jp> | |
1da177e4 LT |
311 | |
312 | config SH_SH03 | |
cad82448 | 313 | bool "Interface CTP/PCI-SH03" |
f3d22298 | 314 | depends on CPU_SUBTYPE_SH7751 && BROKEN |
56386f64 | 315 | select CPU_HAS_IPR_IRQ |
357d5946 | 316 | select SYS_SUPPORTS_PCI |
1da177e4 | 317 | help |
cad82448 | 318 | CTP/PCI-SH03 is a CPU module computer that is produced |
1da177e4 | 319 | by Interface Corporation. |
1da177e4 LT |
320 | More information at <http://www.interface.co.jp> |
321 | ||
322 | config SH_SECUREEDGE5410 | |
323 | bool "SecureEdge5410" | |
f3d22298 | 324 | depends on CPU_SUBTYPE_SH7751R |
56386f64 | 325 | select CPU_HAS_IPR_IRQ |
357d5946 | 326 | select SYS_SUPPORTS_PCI |
1da177e4 LT |
327 | help |
328 | Select SecureEdge5410 if configuring for a SnapGear SH board. | |
329 | This includes both the OEM SecureEdge products as well as the | |
330 | SME product line. | |
331 | ||
332 | config SH_HS7751RVOIP | |
333 | bool "HS7751RVOIP" | |
f3d22298 | 334 | depends on CPU_SUBTYPE_SH7751R |
1da177e4 LT |
335 | help |
336 | Select HS7751RVOIP if configuring for a Renesas Technology | |
337 | Sales VoIP board. | |
338 | ||
91b91d01 PM |
339 | config SH_7710VOIPGW |
340 | bool "SH7710-VOIP-GW" | |
f3d22298 | 341 | depends on CPU_SUBTYPE_SH7710 |
91b91d01 PM |
342 | help |
343 | Select this option to build a kernel for the SH7710 based | |
344 | VOIP GW. | |
345 | ||
1da177e4 LT |
346 | config SH_RTS7751R2D |
347 | bool "RTS7751R2D" | |
f3d22298 | 348 | depends on CPU_SUBTYPE_SH7751R |
357d5946 | 349 | select SYS_SUPPORTS_PCI |
1da177e4 LT |
350 | help |
351 | Select RTS7751R2D if configuring for a Renesas Technology | |
352 | Sales SH-Graphics board. | |
353 | ||
32351a28 PM |
354 | config SH_HIGHLANDER |
355 | bool "Highlander" | |
f3d22298 | 356 | depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 |
357d5946 | 357 | select SYS_SUPPORTS_PCI |
cad82448 | 358 | |
1da177e4 LT |
359 | config SH_EDOSK7705 |
360 | bool "EDOSK7705" | |
f3d22298 | 361 | depends on CPU_SUBTYPE_SH7705 |
1da177e4 LT |
362 | |
363 | config SH_SH4202_MICRODEV | |
364 | bool "SH4-202 MicroDev" | |
f3d22298 | 365 | depends on CPU_SUBTYPE_SH4_202 |
1da177e4 LT |
366 | help |
367 | Select SH4-202 MicroDev if configuring for a SuperH MicroDev board | |
368 | with an SH4-202 CPU. | |
369 | ||
cad82448 PM |
370 | config SH_LANDISK |
371 | bool "LANDISK" | |
f3d22298 | 372 | depends on CPU_SUBTYPE_SH7751R |
357d5946 | 373 | select SYS_SUPPORTS_PCI |
cad82448 PM |
374 | help |
375 | I-O DATA DEVICE, INC. "LANDISK Series" support. | |
376 | ||
377 | config SH_TITAN | |
378 | bool "TITAN" | |
f3d22298 | 379 | depends on CPU_SUBTYPE_SH7751R |
56386f64 | 380 | select CPU_HAS_IPR_IRQ |
357d5946 | 381 | select SYS_SUPPORTS_PCI |
cad82448 PM |
382 | help |
383 | Select Titan if you are configuring for a Nimble Microsystems | |
384 | NetEngine NP51R. | |
385 | ||
51e22e7a TY |
386 | config SH_SHMIN |
387 | bool "SHMIN" | |
f3d22298 | 388 | depends on CPU_SUBTYPE_SH7706 |
56386f64 | 389 | select CPU_HAS_IPR_IRQ |
51e22e7a | 390 | help |
3cb2fccc | 391 | Select SHMIN if configuring for the SHMIN board. |
51e22e7a | 392 | |
c86c5a91 NI |
393 | config SH_LBOX_RE2 |
394 | bool "L-BOX RE2" | |
f3d22298 | 395 | depends on CPU_SUBTYPE_SH7751R |
357d5946 | 396 | select SYS_SUPPORTS_PCI |
c86c5a91 NI |
397 | help |
398 | Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. | |
9d4436a6 | 399 | |
f3d22298 | 400 | endmenu |
1da177e4 | 401 | |
32351a28 PM |
402 | source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" |
403 | source "arch/sh/boards/renesas/rts7751r2d/Kconfig" | |
404 | source "arch/sh/boards/renesas/r7780rp/Kconfig" | |
405 | ||
32351a28 PM |
406 | menu "Timer and clock configuration" |
407 | ||
cad82448 PM |
408 | config SH_TMU |
409 | bool "TMU timer support" | |
9d4436a6 | 410 | depends on CPU_SH3 || CPU_SH4 |
57be2b48 PM |
411 | select GENERIC_TIME |
412 | select GENERIC_CLOCKEVENTS | |
1da177e4 | 413 | default y |
1da177e4 | 414 | help |
cad82448 | 415 | This enables the use of the TMU as the system timer. |
1da177e4 | 416 | |
9d4436a6 YS |
417 | config SH_CMT |
418 | bool "CMT timer support" | |
419 | depends on CPU_SH2 | |
420 | default y | |
421 | help | |
422 | This enables the use of the CMT as the system timer. | |
423 | ||
424 | config SH_MTU2 | |
425 | bool "MTU2 timer support" | |
426 | depends on CPU_SH2A | |
427 | default n | |
428 | help | |
429 | This enables the use of the MTU2 as the system timer. | |
430 | ||
417528a2 PM |
431 | config SH_TIMER_IRQ |
432 | int | |
32351a28 | 433 | default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 |
417528a2 PM |
434 | default "86" if CPU_SUBTYPE_SH7619 |
435 | default "140" if CPU_SUBTYPE_SH7206 | |
436 | default "16" | |
437 | ||
cad82448 PM |
438 | config SH_PCLK_FREQ |
439 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 440 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 441 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 442 | default "32000000" if CPU_SUBTYPE_SH7722 |
9d4436a6 YS |
443 | default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \ |
444 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ | |
445 | CPU_SUBTYPE_SH7206 | |
05627486 | 446 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 447 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 448 | default "50000000" |
1da177e4 | 449 | help |
cad82448 PM |
450 | This option is used to specify the peripheral clock frequency. |
451 | This is necessary for determining the reference clock value on | |
452 | platforms lacking an RTC. | |
1da177e4 | 453 | |
9d4436a6 YS |
454 | config SH_CLK_MD |
455 | int "CPU Mode Pin Setting" | |
456 | depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206 | |
357d5946 PM |
457 | default 6 if CPU_SUBTYPE_SH7206 |
458 | default 5 if CPU_SUBTYPE_SH7619 | |
459 | default 0 | |
9d4436a6 | 460 | help |
11cbb70e | 461 | MD2 - MD0 pin setting. |
9d4436a6 | 462 | |
57be2b48 PM |
463 | source "kernel/time/Kconfig" |
464 | ||
32351a28 PM |
465 | endmenu |
466 | ||
cad82448 PM |
467 | menu "CPU Frequency scaling" |
468 | ||
469 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 470 | |
cad82448 PM |
471 | config SH_CPU_FREQ |
472 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 473 | depends on CPU_FREQ |
cad82448 | 474 | select CPU_FREQ_TABLE |
1da177e4 | 475 | help |
cad82448 PM |
476 | This adds the cpufreq driver for SuperH. At present, only |
477 | the SH-4 is supported. | |
1da177e4 | 478 | |
cad82448 | 479 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
480 | |
481 | If unsure, say N. | |
482 | ||
cad82448 PM |
483 | endmenu |
484 | ||
9f5e8eee PM |
485 | source "arch/sh/drivers/Kconfig" |
486 | ||
cad82448 | 487 | endmenu |
1da177e4 | 488 | |
cad82448 PM |
489 | config ISA_DMA_API |
490 | bool | |
05efc67d | 491 | depends on SH_MPC1211 |
cad82448 | 492 | default y |
1da177e4 | 493 | |
cad82448 PM |
494 | menu "Kernel features" |
495 | ||
91b91d01 PM |
496 | source kernel/Kconfig.hz |
497 | ||
cad82448 PM |
498 | config KEXEC |
499 | bool "kexec system call (EXPERIMENTAL)" | |
500 | depends on EXPERIMENTAL | |
1da177e4 | 501 | help |
cad82448 PM |
502 | kexec is a system call that implements the ability to shutdown your |
503 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 504 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
505 | you can start any kernel with it, not just Linux. |
506 | ||
1f1332f7 | 507 | The name comes from the similarity to the exec system call. |
cad82448 PM |
508 | |
509 | It is an ongoing process to be certain the hardware in a machine | |
510 | is properly shutdown, so do not be surprised if this code does not | |
511 | initially work for you. It may help to enable device hotplugging | |
512 | support. As of this writing the exact hardware interface is | |
513 | strongly in flux, so no good recommendation can be made. | |
514 | ||
4d5ade5b PM |
515 | config CRASH_DUMP |
516 | bool "kernel crash dumps (EXPERIMENTAL)" | |
517 | depends on EXPERIMENTAL | |
518 | help | |
519 | Generate crash dump after being started by kexec. | |
520 | This should be normally only set in special crash dump kernels | |
521 | which are loaded in the main kernel with kexec-tools into | |
522 | a specially reserved region and then later executed after | |
523 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
524 | to a memory address not used by the main kernel using | |
525 | MEMORY_START. | |
526 | ||
527 | For more details see Documentation/kdump/kdump.txt | |
528 | ||
1da177e4 LT |
529 | config SMP |
530 | bool "Symmetric multi-processing support" | |
357d5946 | 531 | depends on SYS_SUPPORTS_SMP |
1da177e4 LT |
532 | ---help--- |
533 | This enables support for systems with more than one CPU. If you have | |
534 | a system with only one CPU, like most personal computers, say N. If | |
535 | you have a system with more than one CPU, say Y. | |
536 | ||
537 | If you say N here, the kernel will run on single and multiprocessor | |
538 | machines, but will use only one CPU of a multiprocessor machine. If | |
539 | you say Y here, the kernel will run on many, but not all, | |
540 | singleprocessor machines. On a singleprocessor machine, the kernel | |
541 | will run faster if you say N here. | |
542 | ||
543 | People using multiprocessor machines who say Y here should also say | |
544 | Y to "Enhanced Real Time Clock Support", below. | |
545 | ||
546 | See also the <file:Documentation/smp.txt>, | |
547 | <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available | |
548 | at <http://www.tldp.org/docs.html#howto>. | |
549 | ||
550 | If you don't know what to do here, say N. | |
551 | ||
552 | config NR_CPUS | |
553 | int "Maximum number of CPUs (2-32)" | |
554 | range 2 32 | |
555 | depends on SMP | |
2b1bd1ac | 556 | default "4" if CPU_SHX3 |
1da177e4 LT |
557 | default "2" |
558 | help | |
559 | This allows you to specify the maximum number of CPUs which this | |
560 | kernel will support. The maximum supported value is 32 and the | |
561 | minimum value which makes sense is 2. | |
562 | ||
563 | This is purely to save memory - each supported CPU adds | |
564 | approximately eight kilobytes to the kernel image. | |
565 | ||
91b91d01 PM |
566 | source "kernel/Kconfig.preempt" |
567 | ||
c80d79d7 YG |
568 | config NODES_SHIFT |
569 | int | |
570 | default "1" | |
571 | depends on NEED_MULTIPLE_NODES | |
572 | ||
cad82448 | 573 | endmenu |
1da177e4 | 574 | |
cad82448 | 575 | menu "Boot options" |
1da177e4 | 576 | |
cad82448 PM |
577 | config ZERO_PAGE_OFFSET |
578 | hex "Zero page offset" | |
579 | default "0x00004000" if SH_MPC1211 || SH_SH03 | |
7a847f81 PM |
580 | default "0x00010000" if PAGE_SIZE_64KB |
581 | default "0x00002000" if PAGE_SIZE_8KB | |
cad82448 | 582 | default "0x00001000" |
1da177e4 | 583 | help |
cad82448 | 584 | This sets the default offset of zero page. |
1da177e4 | 585 | |
cad82448 PM |
586 | config BOOT_LINK_OFFSET |
587 | hex "Link address offset for booting" | |
588 | default "0x00800000" | |
589 | help | |
590 | This option allows you to set the link address offset of the zImage. | |
591 | This can be useful if you are on a board which has a small amount of | |
592 | memory. | |
1da177e4 | 593 | |
cad82448 PM |
594 | config UBC_WAKEUP |
595 | bool "Wakeup UBC on startup" | |
357d5946 | 596 | depends on CPU_SH4 |
cad82448 PM |
597 | help |
598 | Selecting this option will wakeup the User Break Controller (UBC) on | |
599 | startup. Although the UBC is left in an awake state when the processor | |
600 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
601 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 602 | |
cad82448 | 603 | If unsure, say N. |
1da177e4 | 604 | |
cad82448 PM |
605 | config CMDLINE_BOOL |
606 | bool "Default bootloader kernel arguments" | |
1da177e4 | 607 | |
cad82448 PM |
608 | config CMDLINE |
609 | string "Initial kernel command string" | |
610 | depends on CMDLINE_BOOL | |
611 | default "console=ttySC1,115200" | |
1da177e4 LT |
612 | |
613 | endmenu | |
614 | ||
cad82448 | 615 | menu "Bus options" |
1da177e4 LT |
616 | |
617 | # Even on SuperH devices which don't have an ISA bus, | |
618 | # this variable helps the PCMCIA modules handle | |
619 | # IRQ requesting properly -- Greg Banks. | |
620 | # | |
621 | # Though we're generally not interested in it when | |
622 | # we're not using PCMCIA, so we make it dependent on | |
623 | # PCMCIA outright. -- PFM. | |
624 | config ISA | |
357d5946 PM |
625 | def_bool y |
626 | depends on PCMCIA && HD6446X_SERIES | |
1da177e4 LT |
627 | help |
628 | Find out whether you have ISA slots on your motherboard. ISA is the | |
629 | name of a bus system, i.e. the way the CPU talks to the other stuff | |
630 | inside your box. Other bus systems are PCI, EISA, MicroChannel | |
631 | (MCA) or VESA. ISA is an older system, now being displaced by PCI; | |
632 | newer boards don't support it. If you have ISA, say Y, otherwise N. | |
633 | ||
634 | config EISA | |
635 | bool | |
636 | ---help--- | |
637 | The Extended Industry Standard Architecture (EISA) bus was | |
638 | developed as an open alternative to the IBM MicroChannel bus. | |
639 | ||
640 | The EISA bus provided some of the features of the IBM MicroChannel | |
641 | bus while maintaining backward compatibility with cards made for | |
642 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
643 | 1995 when it was made obsolete by the PCI bus. | |
644 | ||
645 | Say Y here if you are building a kernel for an EISA-based machine. | |
646 | ||
647 | Otherwise, say N. | |
648 | ||
649 | config MCA | |
650 | bool | |
651 | help | |
652 | MicroChannel Architecture is found in some IBM PS/2 machines and | |
653 | laptops. It is a bus system similar to PCI or ISA. See | |
654 | <file:Documentation/mca.txt> (and especially the web page given | |
655 | there) before attempting to build an MCA bus kernel. | |
656 | ||
657 | config SBUS | |
658 | bool | |
659 | ||
cad82448 PM |
660 | config SUPERHYWAY |
661 | tristate "SuperHyway Bus support" | |
662 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 663 | |
824e55f9 PM |
664 | config CF_ENABLER |
665 | bool "Compact Flash Enabler support" | |
666 | depends on SOLUTION_ENGINE || SH_SH03 | |
667 | ---help--- | |
668 | Compact Flash is a small, removable mass storage device introduced | |
669 | in 1994 originally as a PCMCIA device. If you say `Y' here, you | |
670 | compile in support for Compact Flash devices directly connected to | |
671 | a SuperH processor. A Compact Flash FAQ is available at | |
672 | <http://www.compactflash.org/faqs/faq.htm>. | |
673 | ||
674 | If your board has "Directly Connected" CompactFlash at area 5 or 6, | |
675 | you may want to enable this option. Then, you can use CF as | |
676 | primary IDE drive (only tested for SanDisk). | |
677 | ||
678 | If in doubt, select 'N'. | |
679 | ||
680 | choice | |
681 | prompt "Compact Flash Connection Area" | |
682 | depends on CF_ENABLER | |
683 | default CF_AREA6 | |
684 | ||
685 | config CF_AREA5 | |
686 | bool "Area5" | |
687 | help | |
688 | If your board has "Directly Connected" CompactFlash, You should | |
689 | select the area where your CF is connected to. | |
690 | ||
691 | - "Area5" if CompactFlash is connected to Area 5 (0x14000000) | |
692 | - "Area6" if it is connected to Area 6 (0x18000000) | |
693 | ||
694 | "Area6" will work for most boards. | |
695 | ||
696 | config CF_AREA6 | |
697 | bool "Area6" | |
698 | ||
699 | endchoice | |
700 | ||
701 | config CF_BASE_ADDR | |
702 | hex | |
703 | depends on CF_ENABLER | |
704 | default "0xb8000000" if CF_AREA6 | |
705 | default "0xb4000000" if CF_AREA5 | |
706 | ||
1da177e4 LT |
707 | source "arch/sh/drivers/pci/Kconfig" |
708 | ||
709 | source "drivers/pci/Kconfig" | |
710 | ||
711 | source "drivers/pcmcia/Kconfig" | |
712 | ||
713 | source "drivers/pci/hotplug/Kconfig" | |
714 | ||
715 | endmenu | |
716 | ||
717 | menu "Executable file formats" | |
718 | ||
719 | source "fs/Kconfig.binfmt" | |
720 | ||
721 | endmenu | |
722 | ||
3aa770e7 | 723 | menu "Power management options (EXPERIMENTAL)" |
357d5946 | 724 | depends on EXPERIMENTAL && SYS_SUPPORTS_PM |
3aa770e7 AS |
725 | |
726 | source kernel/power/Kconfig | |
727 | ||
3aa770e7 AS |
728 | endmenu |
729 | ||
d5950b43 SR |
730 | source "net/Kconfig" |
731 | ||
1da177e4 LT |
732 | source "drivers/Kconfig" |
733 | ||
734 | source "fs/Kconfig" | |
735 | ||
736 | source "arch/sh/oprofile/Kconfig" | |
737 | ||
738 | source "arch/sh/Kconfig.debug" | |
739 | ||
740 | source "security/Kconfig" | |
741 | ||
742 | source "crypto/Kconfig" | |
743 | ||
744 | source "lib/Kconfig" |