1 # SPDX-License-Identifier: GPL-2.0
2 config SUPERH
3 def_bool y
4 select ARCH_32BIT_OFF_T
5 select ARCH_HAS_CPU_CACHE_ALIASING
6 select ARCH_HAVE_NMI_SAFE_CMPXCHG if (
7 select ARCH_HAS_BINFMT_FLAT if !MMU
8 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER
10 select ARCH_HAS_GIGANTIC_PAGE
11 select ARCH_HAS_GCOV_PROFILE_ALL
12 select ARCH_HAS_PTE_SPECIAL
13 select ARCH_HAS_TICK_BROADCAST if GENE
14 select ARCH_HIBERNATION_POSSIBLE if MM
15 select ARCH_MIGHT_HAVE_PC_PARPORT
16 select ARCH_WANT_IPC_PARSE_VERSION
17 select ARCH_NEED_CMPXCHG_1_EMU
18 select CPU_NO_EFFICIENT_FFS
19 select DMA_DECLARE_COHERENT
20 select GENERIC_ATOMIC64
21 select GENERIC_CMOS_UPDATE if SH_SH03
22 select GENERIC_IDLE_POLL_SETUP
23 select GENERIC_IRQ_SHOW
24 select GENERIC_LIB_ASHLDI3
25 select GENERIC_LIB_ASHRDI3
26 select GENERIC_LIB_LSHRDI3
27 select GENERIC_PCI_IOMAP if PCI
28 select GENERIC_SCHED_CLOCK
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
36 select HAVE_ARCH_TRACEHOOK
37 select HAVE_DEBUG_BUGVERBOSE
38 select HAVE_DEBUG_KMEMLEAK
39 select HAVE_DYNAMIC_FTRACE
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
60 select HAVE_SOFTIRQ_ON_OWN_STACK if IR
61 select HAVE_STACKPROTECTOR
62 select HAVE_SYSCALL_TRACEPOINTS
63 select IRQ_FORCED_THREADING
64 select LOCK_MM_AND_FIND_VMA
65 select MODULES_USE_ELF_RELA
66 select NEED_SG_DMA_LENGTH
67 select NO_DMA if !MMU && !DMA_COHERENT
68 select NO_GENERIC_PCI_IOPORT_MAP if PC
69 select OLD_SIGACTION
70 select OLD_SIGSUSPEND
71 select PCI_DOMAINS if PCI
72 select PERF_EVENTS
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
83 config GENERIC_BUG
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
118
119 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
132
133 config SWAP_IO_SPACE
134 bool
135
136 config DMA_COHERENT
137 bool
138
139 config DMA_NONCOHERENT
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
156 select SH_INTC
157
158 config CPU_SH2A
159 bool
160 select CPU_SH2
161 select UNCACHED_MAPPING
162
163 config CPU_J2
164 bool
165 select CPU_SH2
166 select OF
167 select OF_EARLY_FLATTREE
168
169 config CPU_SH3
170 bool
171 select CPU_HAS_INTEVT
172 select CPU_HAS_SR_RB
173 select SH_INTC
174 select SYS_SUPPORTS_SH_TMU
175
176 config CPU_SH4
177 bool
178 select ARCH_SUPPORTS_HUGETLBFS if MMU
179 select CPU_HAS_INTEVT
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
185 config CPU_SH4A
186 bool
187 select CPU_SH4
188
189 config CPU_SH4AL_DSP
190 bool
191 select CPU_SH4A
192 select CPU_HAS_DSP
193
194 config CPU_SHX2
195 bool
196
197 config CPU_SHX3
198 bool
199 select DMA_COHERENT
200 select SYS_SUPPORTS_SMP
201 select SYS_SUPPORTS_NUMA
202
203 config ARCH_SHMOBILE
204 bool
205 select ARCH_SUSPEND_POSSIBLE
206 select PM
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
547 config ARCH_SUPPORTS_KEXEC
548 def_bool MMU
549
550 config ARCH_SUPPORTS_CRASH_DUMP
551 def_bool BROKEN_ON_SMP
552
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
664 Base name (without suffix, relative
665 a DTS file that will be used to prod
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
678 config BOOT_LINK_OFFSET
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
717 config CMDLINE_OVERWRITE
718 bool "Overwrite bootloader kernel argu
719 help
720 Given string will overwrite any argu
721 a bootloader.
722
723 config CMDLINE_EXTEND
724 bool "Extend bootloader kernel argumen
725 help
726 Given string will be concatenated wi
727 by a bootloader.
728
729 config CMDLINE_FROM_BOOTLOADER
730 bool "Use bootloader kernel arguments"
731 help
732 Uses the command-line options passed
733
734 endchoice
735
736 config CMDLINE
737 string "Kernel command line arguments
738 depends on CMDLINE_OVERWRITE || CMDLIN
739 default "console=ttySC1,115200"
740
741 endmenu
742
743 menu "Bus options"
744
745 config MAPLE
746 bool "Maple Bus support"
747 depends on SH_DREAMCAST
748 help
749 The Maple Bus is SEGA's serial commun
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
756 endmenu
757
758 menu "Power management options (EXPERIMENTAL)"
759
760 source "kernel/power/Kconfig"
761
762 source "drivers/cpuidle/Kconfig"
763
764 endmenu
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