1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config SUPERH !! 2 config M68K
3 def_bool y !! 3 bool
>> 4 default y
4 select ARCH_32BIT_OFF_T 5 select ARCH_32BIT_OFF_T
>> 6 select ARCH_HAS_BINFMT_FLAT
5 select ARCH_HAS_CPU_CACHE_ALIASING 7 select ARCH_HAS_CPU_CACHE_ALIASING
6 select ARCH_HAVE_NMI_SAFE_CMPXCHG if ( !! 8 select ARCH_HAS_CPU_FINALIZE_INIT if MMU
7 select ARCH_HAS_BINFMT_FLAT if !MMU <<
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER 9 select ARCH_HAS_CURRENT_STACK_POINTER
10 select ARCH_HAS_GIGANTIC_PAGE !! 10 select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE
11 select ARCH_HAS_GCOV_PROFILE_ALL !! 11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA
12 select ARCH_HAS_PTE_SPECIAL !! 12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
13 select ARCH_HAS_TICK_BROADCAST if GENE !! 13 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
14 select ARCH_HIBERNATION_POSSIBLE if MM !! 14 select ARCH_NO_PREEMPT if !COLDFIRE
15 select ARCH_MIGHT_HAVE_PC_PARPORT !! 15 select ARCH_USE_MEMTEST if MMU_MOTOROLA
16 select ARCH_WANT_IPC_PARSE_VERSION 16 select ARCH_WANT_IPC_PARSE_VERSION
17 select ARCH_NEED_CMPXCHG_1_EMU !! 17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
18 select CPU_NO_EFFICIENT_FFS !! 18 select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
19 select DMA_DECLARE_COHERENT <<
20 select GENERIC_ATOMIC64 19 select GENERIC_ATOMIC64
21 select GENERIC_CMOS_UPDATE if SH_SH03 !! 20 select GENERIC_CPU_DEVICES
22 select GENERIC_IDLE_POLL_SETUP !! 21 select GENERIC_IOMAP if HAS_IOPORT
23 select GENERIC_IRQ_SHOW 22 select GENERIC_IRQ_SHOW
24 select GENERIC_LIB_ASHLDI3 23 select GENERIC_LIB_ASHLDI3
25 select GENERIC_LIB_ASHRDI3 24 select GENERIC_LIB_ASHRDI3
26 select GENERIC_LIB_LSHRDI3 25 select GENERIC_LIB_LSHRDI3
27 select GENERIC_PCI_IOMAP if PCI !! 26 select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA
28 select GENERIC_SCHED_CLOCK !! 27 select HAVE_ARCH_SECCOMP
29 select GENERIC_SMP_IDLE_THREAD <<
30 select GUP_GET_PXX_LOW_HIGH if X2TLB <<
31 select HAS_IOPORT if HAS_IOPORT_MAP <<
32 select GENERIC_IOREMAP if MMU <<
33 select HAVE_ARCH_AUDITSYSCALL <<
34 select HAVE_ARCH_KGDB <<
35 select HAVE_ARCH_SECCOMP_FILTER 28 select HAVE_ARCH_SECCOMP_FILTER
36 select HAVE_ARCH_TRACEHOOK !! 29 select HAVE_ASM_MODVERSIONS
37 select HAVE_DEBUG_BUGVERBOSE 30 select HAVE_DEBUG_BUGVERBOSE
38 select HAVE_DEBUG_KMEMLEAK !! 31 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
39 select HAVE_DYNAMIC_FTRACE !! 32 select HAVE_MOD_ARCH_SPECIFIC
40 select HAVE_GUP_FAST if MMU <<
41 select HAVE_FUNCTION_GRAPH_TRACER <<
42 select HAVE_FUNCTION_TRACER <<
43 select HAVE_FTRACE_MCOUNT_RECORD <<
44 select HAVE_HW_BREAKPOINT <<
45 select HAVE_IOREMAP_PROT if MMU && !X2 <<
46 select HAVE_KERNEL_BZIP2 <<
47 select HAVE_KERNEL_GZIP <<
48 select HAVE_KERNEL_LZMA <<
49 select HAVE_KERNEL_LZO <<
50 select HAVE_KERNEL_XZ <<
51 select HAVE_KPROBES <<
52 select HAVE_KRETPROBES <<
53 select HAVE_MIXED_BREAKPOINTS_REGS <<
54 select HAVE_MOD_ARCH_SPECIFIC if DWARF <<
55 select HAVE_NMI <<
56 select HAVE_PATA_PLATFORM <<
57 select HAVE_PERF_EVENTS <<
58 select HAVE_REGS_AND_STACK_ACCESS_API <<
59 select HAVE_UID16 33 select HAVE_UID16
60 select HAVE_SOFTIRQ_ON_OWN_STACK if IR !! 34 select MMU_GATHER_NO_RANGE if MMU
61 select HAVE_STACKPROTECTOR !! 35 select MODULES_USE_ELF_REL
62 select HAVE_SYSCALL_TRACEPOINTS <<
63 select IRQ_FORCED_THREADING <<
64 select LOCK_MM_AND_FIND_VMA <<
65 select MODULES_USE_ELF_RELA 36 select MODULES_USE_ELF_RELA
66 select NEED_SG_DMA_LENGTH !! 37 select NO_DMA if !MMU && !COLDFIRE
67 select NO_DMA if !MMU && !DMA_COHERENT <<
68 select NO_GENERIC_PCI_IOPORT_MAP if PC <<
69 select OLD_SIGACTION 38 select OLD_SIGACTION
70 select OLD_SIGSUSPEND !! 39 select OLD_SIGSUSPEND3
71 select PCI_DOMAINS if PCI !! 40 select UACCESS_MEMCPY if !MMU
72 select PERF_EVENTS !! 41 select ZONE_DMA
73 select PERF_USE_VMALLOC <<
74 select RTC_LIB <<
75 select SPARSE_IRQ <<
76 select TRACE_IRQFLAGS_SUPPORT <<
77 help <<
78 The SuperH is a RISC processor targe <<
79 and consumer electronics; it was als <<
80 gaming console. The SuperH port has <<
81 <http://www.linux-sh.org/>. <<
82 42
83 config GENERIC_BUG !! 43 config CPU_BIG_ENDIAN
84 def_bool y <<
85 depends on BUG <<
86 <<
87 config GENERIC_HWEIGHT <<
88 def_bool y <<
89 <<
90 config GENERIC_CALIBRATE_DELAY <<
91 bool <<
92 <<
93 config GENERIC_LOCKBREAK <<
94 def_bool y <<
95 depends on SMP && PREEMPTION <<
96 <<
97 config ARCH_SUSPEND_POSSIBLE <<
98 def_bool n <<
99 <<
100 config ARCH_HIBERNATION_POSSIBLE <<
101 def_bool n <<
102 <<
103 config SYS_SUPPORTS_APM_EMULATION <<
104 bool <<
105 select ARCH_SUSPEND_POSSIBLE <<
106 <<
107 config SYS_SUPPORTS_SMP <<
108 bool <<
109 <<
110 config SYS_SUPPORTS_NUMA <<
111 bool <<
112 <<
113 config STACKTRACE_SUPPORT <<
114 def_bool y <<
115 <<
116 config LOCKDEP_SUPPORT <<
117 def_bool y 44 def_bool y
118 45
119 config ARCH_HAS_ILOG2_U32 46 config ARCH_HAS_ILOG2_U32
120 def_bool n <<
121 <<
122 config ARCH_HAS_ILOG2_U64 <<
123 def_bool n <<
124 <<
125 config NO_IOPORT_MAP <<
126 def_bool !PCI <<
127 depends on !SH_SHMIN && !SH_HP6XX && ! <<
128 !SH_DREAMCAST <<
129 <<
130 config IO_TRAPPED <<
131 bool 47 bool
132 48
133 config SWAP_IO_SPACE !! 49 config ARCH_HAS_ILOG2_U64
134 bool 50 bool
135 51
136 config DMA_COHERENT !! 52 config GENERIC_HWEIGHT
137 bool 53 bool
>> 54 default y
138 55
139 config DMA_NONCOHERENT !! 56 config GENERIC_CALIBRATE_DELAY
140 def_bool !NO_DMA && !DMA_COHERENT <<
141 select ARCH_HAS_DMA_PREP_COHERENT <<
142 select ARCH_HAS_SYNC_DMA_FOR_DEVICE <<
143 select DMA_DIRECT_REMAP <<
144 <<
145 config PGTABLE_LEVELS <<
146 default 3 if X2TLB <<
147 default 2 <<
148 <<
149 menu "System type" <<
150 <<
151 # <<
152 # Processor families <<
153 # <<
154 config CPU_SH2 <<
155 bool 57 bool
156 select SH_INTC !! 58 default y
157 59
158 config CPU_SH2A !! 60 config GENERIC_CSUM
159 bool 61 bool
160 select CPU_SH2 <<
161 select UNCACHED_MAPPING <<
162 62
163 config CPU_J2 !! 63 config TIME_LOW_RES
164 bool 64 bool
165 select CPU_SH2 !! 65 default y
166 select OF <<
167 select OF_EARLY_FLATTREE <<
168 66
169 config CPU_SH3 !! 67 config NO_IOPORT_MAP
170 bool !! 68 def_bool y
171 select CPU_HAS_INTEVT <<
172 select CPU_HAS_SR_RB <<
173 select SH_INTC <<
174 select SYS_SUPPORTS_SH_TMU <<
175 69
176 config CPU_SH4 !! 70 config HZ
177 bool !! 71 int
178 select ARCH_SUPPORTS_HUGETLBFS if MMU !! 72 default 1000 if CLEOPATRA
179 select CPU_HAS_INTEVT !! 73 default 100
180 select CPU_HAS_SR_RB <<
181 select CPU_HAS_FPU if !CPU_SH4AL_DSP <<
182 select SH_INTC <<
183 select SYS_SUPPORTS_SH_TMU <<
184 74
185 config CPU_SH4A !! 75 config PGTABLE_LEVELS
186 bool !! 76 default 2 if SUN3 || COLDFIRE
187 select CPU_SH4 !! 77 default 3
188 78
189 config CPU_SH4AL_DSP !! 79 config MMU
190 bool !! 80 bool "MMU-based Paged Memory Management Support"
191 select CPU_SH4A !! 81 default y
192 select CPU_HAS_DSP !! 82 help
>> 83 Select if you want MMU-based virtualised addressing space
>> 84 support by paged memory management. If unsure, say 'Y'.
193 85
194 config CPU_SHX2 !! 86 config MMU_MOTOROLA
195 bool 87 bool
>> 88 select HAVE_PAGE_SIZE_4KB
196 89
197 config CPU_SHX3 !! 90 config MMU_COLDFIRE
>> 91 select HAVE_PAGE_SIZE_8KB
198 bool 92 bool
199 select DMA_COHERENT <<
200 select SYS_SUPPORTS_SMP <<
201 select SYS_SUPPORTS_NUMA <<
202 93
203 config ARCH_SHMOBILE !! 94 config MMU_SUN3
204 bool 95 bool
205 select ARCH_SUSPEND_POSSIBLE !! 96 select HAVE_PAGE_SIZE_8KB
206 select PM !! 97 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
207 <<
208 config CPU_HAS_PMU <<
209 depends on CPU_SH4 || CPU_SH4A <<
210 default y <<
211 bool <<
212 <<
213 choice <<
214 prompt "Processor sub-type selection" <<
215 <<
216 # <<
217 # Processor subtypes <<
218 # <<
219 <<
220 # SH-2 Processor Support <<
221 <<
222 config CPU_SUBTYPE_SH7619 <<
223 bool "Support SH7619 processor" <<
224 select CPU_SH2 <<
225 select SYS_SUPPORTS_SH_CMT <<
226 <<
227 config CPU_SUBTYPE_J2 <<
228 bool "Support J2 processor" <<
229 select CPU_J2 <<
230 select SYS_SUPPORTS_SMP <<
231 select GENERIC_CLOCKEVENTS_BROADCAST i <<
232 <<
233 # SH-2A Processor Support <<
234 <<
235 config CPU_SUBTYPE_SH7201 <<
236 bool "Support SH7201 processor" <<
237 select CPU_SH2A <<
238 select CPU_HAS_FPU <<
239 select SYS_SUPPORTS_SH_MTU2 <<
240 <<
241 config CPU_SUBTYPE_SH7203 <<
242 bool "Support SH7203 processor" <<
243 select CPU_SH2A <<
244 select CPU_HAS_FPU <<
245 select SYS_SUPPORTS_SH_CMT <<
246 select SYS_SUPPORTS_SH_MTU2 <<
247 select PINCTRL <<
248 <<
249 config CPU_SUBTYPE_SH7206 <<
250 bool "Support SH7206 processor" <<
251 select CPU_SH2A <<
252 select SYS_SUPPORTS_SH_CMT <<
253 select SYS_SUPPORTS_SH_MTU2 <<
254 <<
255 config CPU_SUBTYPE_SH7263 <<
256 bool "Support SH7263 processor" <<
257 select CPU_SH2A <<
258 select CPU_HAS_FPU <<
259 select SYS_SUPPORTS_SH_CMT <<
260 select SYS_SUPPORTS_SH_MTU2 <<
261 <<
262 config CPU_SUBTYPE_SH7264 <<
263 bool "Support SH7264 processor" <<
264 select CPU_SH2A <<
265 select CPU_HAS_FPU <<
266 select SYS_SUPPORTS_SH_CMT <<
267 select SYS_SUPPORTS_SH_MTU2 <<
268 select PINCTRL <<
269 <<
270 config CPU_SUBTYPE_SH7269 <<
271 bool "Support SH7269 processor" <<
272 select CPU_SH2A <<
273 select CPU_HAS_FPU <<
274 select SYS_SUPPORTS_SH_CMT <<
275 select SYS_SUPPORTS_SH_MTU2 <<
276 select PINCTRL <<
277 <<
278 config CPU_SUBTYPE_MXG <<
279 bool "Support MX-G processor" <<
280 select CPU_SH2A <<
281 select SYS_SUPPORTS_SH_MTU2 <<
282 help <<
283 Select MX-G if running on an R8A0302 <<
284 <<
285 # SH-3 Processor Support <<
286 <<
287 config CPU_SUBTYPE_SH7705 <<
288 bool "Support SH7705 processor" <<
289 select CPU_SH3 <<
290 <<
291 config CPU_SUBTYPE_SH7706 <<
292 bool "Support SH7706 processor" <<
293 select CPU_SH3 <<
294 help <<
295 Select SH7706 if you have a 133 Mhz <<
296 <<
297 config CPU_SUBTYPE_SH7707 <<
298 bool "Support SH7707 processor" <<
299 select CPU_SH3 <<
300 help <<
301 Select SH7707 if you have a 60 Mhz <<
302 <<
303 config CPU_SUBTYPE_SH7708 <<
304 bool "Support SH7708 processor" <<
305 select CPU_SH3 <<
306 help <<
307 Select SH7708 if you have a 60 Mhz <<
308 if you have a 100 Mhz SH-3 HD6417708 <<
309 <<
310 config CPU_SUBTYPE_SH7709 <<
311 bool "Support SH7709 processor" <<
312 select CPU_SH3 <<
313 help <<
314 Select SH7709 if you have a 80 Mhz <<
315 <<
316 config CPU_SUBTYPE_SH7710 <<
317 bool "Support SH7710 processor" <<
318 select CPU_SH3 <<
319 select CPU_HAS_DSP <<
320 help <<
321 Select SH7710 if you have a SH3-DSP <<
322 <<
323 config CPU_SUBTYPE_SH7712 <<
324 bool "Support SH7712 processor" <<
325 select CPU_SH3 <<
326 select CPU_HAS_DSP <<
327 help <<
328 Select SH7712 if you have a SH3-DSP <<
329 <<
330 config CPU_SUBTYPE_SH7720 <<
331 bool "Support SH7720 processor" <<
332 select CPU_SH3 <<
333 select CPU_HAS_DSP <<
334 select SYS_SUPPORTS_SH_CMT <<
335 select USB_OHCI_SH if USB_OHCI_HCD <<
336 select PINCTRL <<
337 help <<
338 Select SH7720 if you have a SH3-DSP <<
339 <<
340 config CPU_SUBTYPE_SH7721 <<
341 bool "Support SH7721 processor" <<
342 select CPU_SH3 <<
343 select CPU_HAS_DSP <<
344 select SYS_SUPPORTS_SH_CMT <<
345 select USB_OHCI_SH if USB_OHCI_HCD <<
346 help <<
347 Select SH7721 if you have a SH3-DSP <<
348 <<
349 # SH-4 Processor Support <<
350 <<
351 config CPU_SUBTYPE_SH7750 <<
352 bool "Support SH7750 processor" <<
353 select CPU_SH4 <<
354 help <<
355 Select SH7750 if you have a 200 Mhz <<
356 <<
357 config CPU_SUBTYPE_SH7091 <<
358 bool "Support SH7091 processor" <<
359 select CPU_SH4 <<
360 help <<
361 Select SH7091 if you have an SH-4 ba <<
362 the Dreamcast, Naomi, and Naomi 2). <<
363 <<
364 config CPU_SUBTYPE_SH7750R <<
365 bool "Support SH7750R processor" <<
366 select CPU_SH4 <<
367 <<
368 config CPU_SUBTYPE_SH7750S <<
369 bool "Support SH7750S processor" <<
370 select CPU_SH4 <<
371 <<
372 config CPU_SUBTYPE_SH7751 <<
373 bool "Support SH7751 processor" <<
374 select CPU_SH4 <<
375 help <<
376 Select SH7751 if you have a 166 Mhz <<
377 or if you have a HD6417751R CPU. <<
378 <<
379 config CPU_SUBTYPE_SH7751R <<
380 bool "Support SH7751R processor" <<
381 select CPU_SH4 <<
382 <<
383 config CPU_SUBTYPE_SH7760 <<
384 bool "Support SH7760 processor" <<
385 select CPU_SH4 <<
386 <<
387 # SH-4A Processor Support <<
388 <<
389 config CPU_SUBTYPE_SH7723 <<
390 bool "Support SH7723 processor" <<
391 select CPU_SH4A <<
392 select CPU_SHX2 <<
393 select ARCH_SHMOBILE <<
394 select ARCH_SPARSEMEM_ENABLE <<
395 select SYS_SUPPORTS_SH_CMT <<
396 select PINCTRL <<
397 help <<
398 Select SH7723 if you have an SH-Mobi <<
399 <<
400 config CPU_SUBTYPE_SH7724 <<
401 bool "Support SH7724 processor" <<
402 select CPU_SH4A <<
403 select CPU_SHX2 <<
404 select ARCH_SHMOBILE <<
405 select ARCH_SPARSEMEM_ENABLE <<
406 select SYS_SUPPORTS_SH_CMT <<
407 select PINCTRL <<
408 help <<
409 Select SH7724 if you have an SH-Mobi <<
410 <<
411 config CPU_SUBTYPE_SH7734 <<
412 bool "Support SH7734 processor" <<
413 select CPU_SH4A <<
414 select CPU_SHX2 <<
415 select PINCTRL <<
416 help <<
417 Select SH7734 if you have a SH4A SH7 <<
418 <<
419 config CPU_SUBTYPE_SH7757 <<
420 bool "Support SH7757 processor" <<
421 select CPU_SH4A <<
422 select CPU_SHX2 <<
423 select PINCTRL <<
424 help <<
425 Select SH7757 if you have a SH4A SH7 <<
426 <<
427 config CPU_SUBTYPE_SH7763 <<
428 bool "Support SH7763 processor" <<
429 select CPU_SH4A <<
430 select USB_OHCI_SH if USB_OHCI_HCD <<
431 help <<
432 Select SH7763 if you have a SH4A SH7 <<
433 <<
434 config CPU_SUBTYPE_SH7770 <<
435 bool "Support SH7770 processor" <<
436 select CPU_SH4A <<
437 <<
438 config CPU_SUBTYPE_SH7780 <<
439 bool "Support SH7780 processor" <<
440 select CPU_SH4A <<
441 <<
442 config CPU_SUBTYPE_SH7785 <<
443 bool "Support SH7785 processor" <<
444 select CPU_SH4A <<
445 select CPU_SHX2 <<
446 select ARCH_SPARSEMEM_ENABLE <<
447 select SYS_SUPPORTS_NUMA <<
448 select PINCTRL <<
449 <<
450 config CPU_SUBTYPE_SH7786 <<
451 bool "Support SH7786 processor" <<
452 select CPU_SH4A <<
453 select CPU_SHX3 <<
454 select CPU_HAS_PTEAEX <<
455 select GENERIC_CLOCKEVENTS_BROADCAST i <<
456 select USB_OHCI_SH if USB_OHCI_HCD <<
457 select USB_EHCI_SH if USB_EHCI_HCD <<
458 select PINCTRL <<
459 <<
460 config CPU_SUBTYPE_SHX3 <<
461 bool "Support SH-X3 processor" <<
462 select CPU_SH4A <<
463 select CPU_SHX3 <<
464 select GENERIC_CLOCKEVENTS_BROADCAST i <<
465 select GPIOLIB <<
466 select PINCTRL <<
467 <<
468 # SH4AL-DSP Processor Support <<
469 <<
470 config CPU_SUBTYPE_SH7343 <<
471 bool "Support SH7343 processor" <<
472 select CPU_SH4AL_DSP <<
473 select ARCH_SHMOBILE <<
474 select SYS_SUPPORTS_SH_CMT <<
475 <<
476 config CPU_SUBTYPE_SH7722 <<
477 bool "Support SH7722 processor" <<
478 select CPU_SH4AL_DSP <<
479 select CPU_SHX2 <<
480 select ARCH_SHMOBILE <<
481 select ARCH_SPARSEMEM_ENABLE <<
482 select SYS_SUPPORTS_NUMA <<
483 select SYS_SUPPORTS_SH_CMT <<
484 select PINCTRL <<
485 <<
486 config CPU_SUBTYPE_SH7366 <<
487 bool "Support SH7366 processor" <<
488 select CPU_SH4AL_DSP <<
489 select CPU_SHX2 <<
490 select ARCH_SHMOBILE <<
491 select ARCH_SPARSEMEM_ENABLE <<
492 select SYS_SUPPORTS_NUMA <<
493 select SYS_SUPPORTS_SH_CMT <<
494 <<
495 endchoice <<
496 <<
497 source "arch/sh/mm/Kconfig" <<
498 <<
499 source "arch/sh/Kconfig.cpu" <<
500 <<
501 source "arch/sh/boards/Kconfig" <<
502 <<
503 menu "Timer and clock configuration" <<
504 <<
505 config SH_PCLK_FREQ <<
506 int "Peripheral clock frequency (in Hz <<
507 depends on SH_CLK_CPG_LEGACY <<
508 default "31250000" if CPU_SUBTYPE_SH76 <<
509 default "33333333" if CPU_SUBTYPE_SH77 <<
510 CPU_SUBTYPE_SH77 <<
511 CPU_SUBTYPE_SH77 <<
512 CPU_SUBTYPE_SH72 <<
513 CPU_SUBTYPE_SH72 <<
514 CPU_SUBTYPE_SH72 <<
515 CPU_SUBTYPE_MXG <<
516 default "60000000" if CPU_SUBTYPE_SH77 <<
517 default "50000000" <<
518 help <<
519 This option is used to specify the p <<
520 This is necessary for determining th <<
521 platforms lacking an RTC. <<
522 <<
523 config SH_CLK_CPG <<
524 def_bool y <<
525 <<
526 config SH_CLK_CPG_LEGACY <<
527 depends on SH_CLK_CPG <<
528 def_bool y if !CPU_SUBTYPE_SH7785 && ! <<
529 !CPU_SHX3 && !CPU_SUBTYP <<
530 !CPU_SUBTYPE_SH7734 && ! <<
531 !CPU_SUBTYPE_SH7269 <<
532 <<
533 endmenu <<
534 <<
535 menu "CPU Frequency scaling" <<
536 source "drivers/cpufreq/Kconfig" <<
537 endmenu <<
538 <<
539 source "arch/sh/drivers/Kconfig" <<
540 <<
541 endmenu <<
542 <<
543 menu "Kernel features" <<
544 <<
545 source "kernel/Kconfig.hz" <<
546 98
547 config ARCH_SUPPORTS_KEXEC 99 config ARCH_SUPPORTS_KEXEC
548 def_bool MMU !! 100 def_bool M68KCLASSIC && MMU
549 101
550 config ARCH_SUPPORTS_CRASH_DUMP !! 102 config BOOTINFO_PROC
551 def_bool BROKEN_ON_SMP !! 103 bool "Export bootinfo in procfs"
552 !! 104 depends on KEXEC && M68KCLASSIC
553 config ARCH_SUPPORTS_KEXEC_JUMP <<
554 def_bool y <<
555 <<
556 config PHYSICAL_START <<
557 hex "Physical address where the kernel <<
558 default MEMORY_START <<
559 help <<
560 This gives the physical address wher <<
561 and is ordinarily the same as MEMORY <<
562 <<
563 Different values are primarily used <<
564 where the fail safe kernel needs to <<
565 than the panic-ed kernel. <<
566 <<
567 config SMP <<
568 bool "Symmetric multi-processing suppo <<
569 depends on SYS_SUPPORTS_SMP <<
570 help <<
571 This enables support for systems wit <<
572 a system with only one CPU, say N. I <<
573 than one CPU, say Y. <<
574 <<
575 If you say N here, the kernel will r <<
576 machines, but will use only one CPU <<
577 you say Y here, the kernel will run <<
578 uniprocessor machines. On a uniproce <<
579 will run faster if you say N here. <<
580 <<
581 People using multiprocessor machines <<
582 Y to "Enhanced Real Time Clock Suppo <<
583 <<
584 See also <file:Documentation/admin-g <<
585 available at <https://www.tldp.org/d <<
586 <<
587 If you don't know what to do here, s <<
588 <<
589 config NR_CPUS <<
590 int "Maximum number of CPUs (2-32)" <<
591 range 2 32 <<
592 depends on SMP <<
593 default "4" if CPU_SUBTYPE_SHX3 <<
594 default "2" <<
595 help <<
596 This allows you to specify the maxim <<
597 kernel will support. The maximum su <<
598 minimum value which makes sense is 2 <<
599 <<
600 This is purely to save memory - each <<
601 approximately eight kilobytes to the <<
602 <<
603 config HOTPLUG_CPU <<
604 bool "Support for hot-pluggable CPUs ( <<
605 depends on SMP <<
606 help <<
607 Say Y here to experiment with turnin <<
608 can be controlled through /sys/devic <<
609 <<
610 config GUSA <<
611 def_bool y <<
612 depends on !SMP <<
613 help <<
614 This enables support for gUSA (gener <<
615 This is the default implementation f <<
616 CPUs, and is used by the libc, among <<
617 <<
618 For additional information, design i <<
619 in <http://lc.linux.or.jp/lc2002/pap <<
620 <<
621 This should only be disabled for spe <<
622 atomicity implementations exist. <<
623 <<
624 config GUSA_RB <<
625 bool "Implement atomic operations by r <<
626 depends on GUSA && CPU_SH3 || (CPU_SH4 <<
627 help <<
628 Enabling this option will allow the <<
629 atomic operations using a software i <<
630 store-conditional (LLSC). On machine <<
631 LLSC, this should be more efficient <<
632 disabling interrupts around the atom <<
633 <<
634 config HW_PERF_EVENTS <<
635 bool "Enable hardware performance coun <<
636 depends on PERF_EVENTS && CPU_HAS_PMU <<
637 default y <<
638 help <<
639 Enable hardware performance counter <<
640 disabled, perf events will use softw <<
641 <<
642 source "drivers/sh/Kconfig" <<
643 <<
644 endmenu <<
645 <<
646 menu "Boot options" <<
647 <<
648 config USE_BUILTIN_DTB <<
649 bool "Use builtin DTB" <<
650 default n <<
651 depends on SH_DEVICE_TREE <<
652 help <<
653 Link a device tree blob for particul <<
654 suppressing use of the DTB pointer p <<
655 This option should only be used with <<
656 not capable of providing a DTB to th <<
657 hardware without stable device tree <<
658 <<
659 config BUILTIN_DTB_SOURCE <<
660 string "Source file for builtin DTB" <<
661 default "" <<
662 depends on USE_BUILTIN_DTB <<
663 help 105 help
664 Base name (without suffix, relative !! 106 Say Y to export the bootinfo used to boot the kernel in a
665 a DTS file that will be used to prod !! 107 "bootinfo" file in procfs. This is useful with kexec.
666 kernel. <<
667 <<
668 config ZERO_PAGE_OFFSET <<
669 hex <<
670 default "0x00010000" if PAGE_SIZE_64KB <<
671 SH_7751_SOLUTI <<
672 default "0x00004000" if PAGE_SIZE_16KB <<
673 default "0x00002000" if PAGE_SIZE_8KB <<
674 default "0x00001000" <<
675 help <<
676 This sets the default offset of zero <<
677 108
678 config BOOT_LINK_OFFSET !! 109 menu "Platform setup"
679 hex <<
680 default "0x00210000" if SH_SHMIN <<
681 default "0x00810000" if SH_7780_SOLUTI <<
682 default "0x009e0000" if SH_TITAN <<
683 default "0x01800000" if SH_SDK7780 <<
684 default "0x02000000" if SH_EDOSK7760 <<
685 default "0x00800000" <<
686 help <<
687 This option allows you to set the li <<
688 This can be useful if you are on a b <<
689 memory. <<
690 <<
691 config ENTRY_OFFSET <<
692 hex <<
693 default "0x00001000" if PAGE_SIZE_4KB <<
694 default "0x00002000" if PAGE_SIZE_8KB <<
695 default "0x00004000" if PAGE_SIZE_16KB <<
696 default "0x00010000" if PAGE_SIZE_64KB <<
697 default "0x00000000" <<
698 <<
699 config ROMIMAGE_MMCIF <<
700 bool "Include MMCIF loader in romImage <<
701 depends on CPU_SUBTYPE_SH7724 <<
702 help <<
703 Say Y here to include experimental M <<
704 romImage. With this enabled it is po <<
705 kernel image to an MMC card and boot <<
706 the reset vector. At reset the proce <<
707 first part of the romImage which in <<
708 image to RAM using the MMCIF hardwar <<
709 <<
710 choice <<
711 prompt "Kernel command line" <<
712 default CMDLINE_OVERWRITE <<
713 help <<
714 Setting this option allows the kerne <<
715 to be set. <<
716 110
717 config CMDLINE_OVERWRITE !! 111 source "arch/m68k/Kconfig.cpu"
718 bool "Overwrite bootloader kernel argu <<
719 help <<
720 Given string will overwrite any argu <<
721 a bootloader. <<
722 112
723 config CMDLINE_EXTEND !! 113 source "arch/m68k/Kconfig.machine"
724 bool "Extend bootloader kernel argumen <<
725 help <<
726 Given string will be concatenated wi <<
727 by a bootloader. <<
728 114
729 config CMDLINE_FROM_BOOTLOADER !! 115 source "arch/m68k/Kconfig.bus"
730 bool "Use bootloader kernel arguments" <<
731 help <<
732 Uses the command-line options passed <<
733 116
734 endchoice !! 117 endmenu
735 118
736 config CMDLINE !! 119 menu "Kernel Features"
737 string "Kernel command line arguments <<
738 depends on CMDLINE_OVERWRITE || CMDLIN <<
739 default "console=ttySC1,115200" <<
740 120
741 endmenu 121 endmenu
742 122
743 menu "Bus options" !! 123 if !MMU
>> 124 menu "Power management options"
744 125
745 config MAPLE !! 126 config PM
746 bool "Maple Bus support" !! 127 bool "Power Management support"
747 depends on SH_DREAMCAST <<
748 help 128 help
749 The Maple Bus is SEGA's serial commun !! 129 Support processor power management modes
750 on the Dreamcast. Without this bus su <<
751 get your Dreamcast keyboard etc to wo <<
752 probably want to say 'Y' here, unless <<
753 Dreamcast with a serial line terminal <<
754 connection. <<
755 130
756 endmenu 131 endmenu
>> 132 endif
757 133
758 menu "Power management options (EXPERIMENTAL)" !! 134 source "arch/m68k/Kconfig.devices"
759 <<
760 source "kernel/power/Kconfig" <<
761 <<
762 source "drivers/cpuidle/Kconfig" <<
763 <<
764 endmenu <<
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