1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SUPERH !! 2 config 64BIT
3 def_bool y !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 select ARCH_32BIT_OFF_T !! 4 default "$(ARCH)" = "sparc64"
>> 5 help
>> 6 SPARC is a family of RISC microprocessors designed and marketed by
>> 7 Sun Microsystems, incorporated. They are very widely found in Sun
>> 8 workstations and clones.
>> 9
>> 10 Say yes to build a 64-bit kernel - formerly known as sparc64
>> 11 Say no to build a 32-bit kernel - formerly known as sparc
>> 12
>> 13 config SPARC
>> 14 bool
>> 15 default y
5 select ARCH_HAS_CPU_CACHE_ALIASING 16 select ARCH_HAS_CPU_CACHE_ALIASING
6 select ARCH_HAVE_NMI_SAFE_CMPXCHG if ( !! 17 select ARCH_HAS_DMA_OPS
7 select ARCH_HAS_BINFMT_FLAT if !MMU !! 18 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
8 select ARCH_HAS_CPU_FINALIZE_INIT !! 19 select ARCH_MIGHT_HAVE_PC_SERIO
9 select ARCH_HAS_CURRENT_STACK_POINTER !! 20 select OF
10 select ARCH_HAS_GIGANTIC_PAGE !! 21 select OF_PROMTREE
11 select ARCH_HAS_GCOV_PROFILE_ALL !! 22 select HAVE_ASM_MODVERSIONS
12 select ARCH_HAS_PTE_SPECIAL !! 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
13 select ARCH_HAS_TICK_BROADCAST if GENE !! 24 select HAVE_ARCH_TRACEHOOK
14 select ARCH_HIBERNATION_POSSIBLE if MM !! 25 select HAVE_ARCH_SECCOMP if SPARC64
15 select ARCH_MIGHT_HAVE_PC_PARPORT !! 26 select HAVE_EXIT_THREAD
>> 27 select HAVE_PCI
>> 28 select SYSCTL_EXCEPTION_TRACE
>> 29 select RTC_CLASS
>> 30 select RTC_DRV_M48T59
>> 31 select RTC_SYSTOHC
>> 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
>> 33 select GENERIC_IRQ_SHOW
16 select ARCH_WANT_IPC_PARSE_VERSION 34 select ARCH_WANT_IPC_PARSE_VERSION
17 select ARCH_NEED_CMPXCHG_1_EMU !! 35 select GENERIC_PCI_IOMAP
>> 36 select HAS_IOPORT
>> 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
>> 38 select HAVE_CBPF_JIT if SPARC32
>> 39 select HAVE_EBPF_JIT if SPARC64
>> 40 select HAVE_DEBUG_BUGVERBOSE
>> 41 select GENERIC_SMP_IDLE_THREAD
>> 42 select MODULES_USE_ELF_RELA
>> 43 select PCI_SYSCALL if PCI
>> 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
>> 45 select ODD_RT_SIGACTION
>> 46 select OLD_SIGSUSPEND
18 select CPU_NO_EFFICIENT_FFS 47 select CPU_NO_EFFICIENT_FFS
19 select DMA_DECLARE_COHERENT !! 48 select LOCKDEP_SMALL if LOCKDEP
>> 49 select NEED_DMA_MAP_STATE
>> 50 select NEED_SG_DMA_LENGTH
>> 51 select TRACE_IRQFLAGS_SUPPORT
>> 52
>> 53 config SPARC32
>> 54 def_bool !64BIT
>> 55 select ARCH_32BIT_OFF_T
>> 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
>> 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 58 select CLZ_TAB
>> 59 select DMA_DIRECT_REMAP
20 select GENERIC_ATOMIC64 60 select GENERIC_ATOMIC64
21 select GENERIC_CMOS_UPDATE if SH_SH03 !! 61 select GENERIC_LIB_CMPDI2
22 select GENERIC_IDLE_POLL_SETUP !! 62 select GENERIC_LIB_UCMPDI2
23 select GENERIC_IRQ_SHOW !! 63 select HAVE_UID16
24 select GENERIC_LIB_ASHLDI3 !! 64 select HAVE_PAGE_SIZE_4KB
25 select GENERIC_LIB_ASHRDI3 !! 65 select LOCK_MM_AND_FIND_VMA
26 select GENERIC_LIB_LSHRDI3 !! 66 select OLD_SIGACTION
27 select GENERIC_PCI_IOMAP if PCI !! 67 select ZONE_DMA
28 select GENERIC_SCHED_CLOCK !! 68
29 select GENERIC_SMP_IDLE_THREAD !! 69 config SPARC64
30 select GUP_GET_PXX_LOW_HIGH if X2TLB !! 70 def_bool 64BIT
31 select HAS_IOPORT if HAS_IOPORT_MAP !! 71 select ALTERNATE_USER_ADDRESS_SPACE
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 72 select HAVE_FUNCTION_TRACER
43 select HAVE_FTRACE_MCOUNT_RECORD !! 73 select HAVE_FUNCTION_GRAPH_TRACER
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 74 select HAVE_KRETPROBES
53 select HAVE_MIXED_BREAKPOINTS_REGS !! 75 select HAVE_KPROBES
54 select HAVE_MOD_ARCH_SPECIFIC if DWARF !! 76 select MMU_GATHER_RCU_TABLE_FREE if SMP
55 select HAVE_NMI !! 77 select MMU_GATHER_MERGE_VMAS
56 select HAVE_PATA_PLATFORM !! 78 select MMU_GATHER_NO_FLUSH_CACHE
>> 79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 80 select HAVE_DYNAMIC_FTRACE
>> 81 select HAVE_FTRACE_MCOUNT_RECORD
>> 82 select HAVE_PAGE_SIZE_8KB
>> 83 select HAVE_SYSCALL_TRACEPOINTS
>> 84 select HAVE_CONTEXT_TRACKING_USER
>> 85 select HAVE_TIF_NOHZ
>> 86 select HAVE_DEBUG_KMEMLEAK
>> 87 select IOMMU_HELPER
>> 88 select SPARSE_IRQ
>> 89 select RTC_DRV_CMOS
>> 90 select RTC_DRV_BQ4802
>> 91 select RTC_DRV_SUN4V
>> 92 select RTC_DRV_STARFIRE
57 select HAVE_PERF_EVENTS 93 select HAVE_PERF_EVENTS
>> 94 select PERF_USE_VMALLOC
>> 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 96 select HAVE_C_RECORDMCOUNT
>> 97 select HAVE_ARCH_AUDITSYSCALL
>> 98 select ARCH_SUPPORTS_ATOMIC_RMW
>> 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 100 select HAVE_NMI
58 select HAVE_REGS_AND_STACK_ACCESS_API 101 select HAVE_REGS_AND_STACK_ACCESS_API
59 select HAVE_UID16 !! 102 select ARCH_USE_QUEUED_RWLOCKS
60 select HAVE_SOFTIRQ_ON_OWN_STACK if IR !! 103 select ARCH_USE_QUEUED_SPINLOCKS
61 select HAVE_STACKPROTECTOR !! 104 select GENERIC_TIME_VSYSCALL
62 select HAVE_SYSCALL_TRACEPOINTS !! 105 select ARCH_CLOCKSOURCE_DATA
63 select IRQ_FORCED_THREADING !! 106 select ARCH_HAS_PTE_SPECIAL
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 107 select PCI_DOMAINS if PCI
72 select PERF_EVENTS !! 108 select ARCH_HAS_GIGANTIC_PAGE
73 select PERF_USE_VMALLOC !! 109 select HAVE_SOFTIRQ_ON_OWN_STACK
74 select RTC_LIB !! 110 select HAVE_SETUP_PER_CPU_AREA
75 select SPARSE_IRQ !! 111 select NEED_PER_CPU_EMBED_FIRST_CHUNK
76 select TRACE_IRQFLAGS_SUPPORT !! 112 select NEED_PER_CPU_PAGE_FIRST_CHUNK
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/>. <<
82 113
83 config GENERIC_BUG !! 114 config ARCH_PROC_KCORE_TEXT
84 def_bool y 115 def_bool y
85 depends on BUG <<
86 116
87 config GENERIC_HWEIGHT !! 117 config CPU_BIG_ENDIAN
88 def_bool y 118 def_bool y
89 119
90 config GENERIC_CALIBRATE_DELAY !! 120 config STACKTRACE_SUPPORT
91 bool 121 bool
>> 122 default y if SPARC64
92 123
93 config GENERIC_LOCKBREAK !! 124 config LOCKDEP_SUPPORT
94 def_bool y !! 125 bool
95 depends on SMP && PREEMPTION !! 126 default y if SPARC64
96 <<
97 config ARCH_SUSPEND_POSSIBLE <<
98 def_bool n <<
99 127
100 config ARCH_HIBERNATION_POSSIBLE 128 config ARCH_HIBERNATION_POSSIBLE
101 def_bool n !! 129 def_bool y if SPARC64
102 130
103 config SYS_SUPPORTS_APM_EMULATION !! 131 config AUDIT_ARCH
104 bool 132 bool
105 select ARCH_SUSPEND_POSSIBLE !! 133 default y
106 134
107 config SYS_SUPPORTS_SMP !! 135 config MMU
108 bool 136 bool
>> 137 default y
109 138
110 config SYS_SUPPORTS_NUMA !! 139 config HIGHMEM
111 bool 140 bool
>> 141 default y if SPARC32
>> 142 select KMAP_LOCAL
112 143
113 config STACKTRACE_SUPPORT !! 144 config PGTABLE_LEVELS
114 def_bool y !! 145 default 4 if 64BIT
>> 146 default 3
115 147
116 config LOCKDEP_SUPPORT !! 148 config ARCH_SUPPORTS_UPROBES
117 def_bool y !! 149 def_bool y if SPARC64
118 150
119 config ARCH_HAS_ILOG2_U32 !! 151 menu "Processor type and features"
120 def_bool n <<
121 152
122 config ARCH_HAS_ILOG2_U64 !! 153 config SMP
123 def_bool n !! 154 bool "Symmetric multi-processing support"
>> 155 help
>> 156 This enables support for systems with more than one CPU. If you have
>> 157 a system with only one CPU, say N. If you have a system with more
>> 158 than one CPU, say Y.
124 159
125 config NO_IOPORT_MAP !! 160 If you say N here, the kernel will run on uni- and multiprocessor
126 def_bool !PCI !! 161 machines, but will use only one CPU of a multiprocessor machine. If
127 depends on !SH_SHMIN && !SH_HP6XX && ! !! 162 you say Y here, the kernel will run on many, but not all,
128 !SH_DREAMCAST !! 163 uniprocessor machines. On a uniprocessor machine, the kernel
>> 164 will run faster if you say N here.
129 165
130 config IO_TRAPPED !! 166 People using multiprocessor machines who say Y here should also say
131 bool !! 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 168 Management" code will be disabled if you say Y here.
132 169
133 config SWAP_IO_SPACE !! 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
134 bool !! 171 available at <https://www.tldp.org/docs.html#howto>.
135 172
136 config DMA_COHERENT !! 173 If you don't know what to do here, say N.
137 bool <<
138 174
139 config DMA_NONCOHERENT !! 175 config NR_CPUS
140 def_bool !NO_DMA && !DMA_COHERENT !! 176 int "Maximum number of CPUs"
141 select ARCH_HAS_DMA_PREP_COHERENT !! 177 depends on SMP
142 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 178 range 2 32 if SPARC32
143 select DMA_DIRECT_REMAP !! 179 range 2 4096 if SPARC64
>> 180 default 32 if SPARC32
>> 181 default 4096 if SPARC64
144 182
145 config PGTABLE_LEVELS !! 183 source "kernel/Kconfig.hz"
146 default 3 if X2TLB <<
147 default 2 <<
148 184
149 menu "System type" !! 185 config GENERIC_HWEIGHT
>> 186 bool
>> 187 default y
150 188
151 # !! 189 config GENERIC_CALIBRATE_DELAY
152 # Processor families <<
153 # <<
154 config CPU_SH2 <<
155 bool 190 bool
156 select SH_INTC !! 191 default y
157 192
158 config CPU_SH2A !! 193 config ARCH_MAY_HAVE_PC_FDC
159 bool 194 bool
160 select CPU_SH2 !! 195 default y
161 select UNCACHED_MAPPING <<
162 196
163 config CPU_J2 !! 197 config EMULATED_CMPXCHG
164 bool 198 bool
165 select CPU_SH2 !! 199 default y if SPARC32
166 select OF !! 200 help
167 select OF_EARLY_FLATTREE !! 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 202 is emulated, and therefore it is not completely atomic.
168 203
169 config CPU_SH3 !! 204 # Makefile helpers
>> 205 config SPARC32_SMP
170 bool 206 bool
171 select CPU_HAS_INTEVT !! 207 default y
172 select CPU_HAS_SR_RB !! 208 depends on SPARC32 && SMP
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. <<
522 209
523 config SH_CLK_CPG !! 210 config SPARC64_SMP
524 def_bool y !! 211 bool
>> 212 default y
>> 213 depends on SPARC64 && SMP
525 214
526 config SH_CLK_CPG_LEGACY !! 215 config EARLYFB
527 depends on SH_CLK_CPG !! 216 bool "Support for early boot text console"
528 def_bool y if !CPU_SUBTYPE_SH7785 && ! !! 217 default y
529 !CPU_SHX3 && !CPU_SUBTYP !! 218 depends on SPARC64
530 !CPU_SUBTYPE_SH7734 && ! !! 219 select FONT_SUN8x16
531 !CPU_SUBTYPE_SH7269 !! 220 select FONT_SUPPORT
>> 221 help
>> 222 Say Y here to enable a faster early framebuffer boot console.
532 223
533 endmenu !! 224 config HOTPLUG_CPU
>> 225 bool "Support for hot-pluggable CPUs"
>> 226 depends on SPARC64 && SMP
>> 227 help
>> 228 Say Y here to experiment with turning CPUs off and on. CPUs
>> 229 can be controlled through /sys/devices/system/cpu/cpu#.
>> 230 Say N if you want to disable CPU hotplug.
534 231
535 menu "CPU Frequency scaling" !! 232 if SPARC64
536 source "drivers/cpufreq/Kconfig" 233 source "drivers/cpufreq/Kconfig"
537 endmenu !! 234 endif
538 <<
539 source "arch/sh/drivers/Kconfig" <<
540 <<
541 endmenu <<
542 235
543 menu "Kernel features" !! 236 config US3_MC
>> 237 tristate "UltraSPARC-III Memory Controller driver"
>> 238 depends on SPARC64
>> 239 default y
>> 240 help
>> 241 This adds a driver for the UltraSPARC-III memory controller.
>> 242 Loading this driver allows exact mnemonic strings to be
>> 243 printed in the event of a memory error, so that the faulty DIMM
>> 244 on the motherboard can be matched to the error.
544 245
545 source "kernel/Kconfig.hz" !! 246 If in doubt, say Y, as this information can be very useful.
546 247
547 config ARCH_SUPPORTS_KEXEC !! 248 # Global things across all Sun machines.
548 def_bool MMU !! 249 config GENERIC_LOCKBREAK
>> 250 bool
>> 251 default y
>> 252 depends on SPARC64 && SMP && PREEMPTION
549 253
550 config ARCH_SUPPORTS_CRASH_DUMP !! 254 config NUMA
551 def_bool BROKEN_ON_SMP !! 255 bool "NUMA support"
>> 256 depends on SPARC64 && SMP
>> 257
>> 258 config NODES_SHIFT
>> 259 int "Maximum NUMA Nodes (as a power of 2)"
>> 260 range 4 5 if SPARC64
>> 261 default "5"
>> 262 depends on NUMA
>> 263 help
>> 264 Specify the maximum number of NUMA Nodes available on the target
>> 265 system. Increases memory reserved to accommodate various tables.
>> 266
>> 267 config ARCH_SPARSEMEM_ENABLE
>> 268 def_bool y if SPARC64
>> 269 select SPARSEMEM_VMEMMAP_ENABLE
>> 270
>> 271 config ARCH_SPARSEMEM_DEFAULT
>> 272 def_bool y if SPARC64
>> 273
>> 274 config ARCH_FORCE_MAX_ORDER
>> 275 int "Order of maximal physically contiguous allocations"
>> 276 default "12"
>> 277 help
>> 278 The kernel page allocator limits the size of maximal physically
>> 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
>> 280 defines the maximal power of two of number of pages that can be
>> 281 allocated as a single contiguous block. This option allows
>> 282 overriding the default setting when ability to allocate very
>> 283 large blocks of physically contiguous memory is required.
552 284
553 config ARCH_SUPPORTS_KEXEC_JUMP !! 285 Don't change if unsure.
554 def_bool y <<
555 286
556 config PHYSICAL_START !! 287 if SPARC64 || COMPILE_TEST
557 hex "Physical address where the kernel !! 288 source "kernel/power/Kconfig"
558 default MEMORY_START !! 289 endif
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. <<
566 290
567 config SMP !! 291 config SCHED_SMT
568 bool "Symmetric multi-processing suppo !! 292 bool "SMT (Hyperthreading) scheduler support"
569 depends on SYS_SUPPORTS_SMP !! 293 depends on SPARC64 && SMP
>> 294 default y
570 help 295 help
571 This enables support for systems wit !! 296 SMT scheduler support improves the CPU scheduler's decision making
572 a system with only one CPU, say N. I !! 297 when dealing with SPARC cpus at a cost of slightly increased overhead
573 than one CPU, say Y. !! 298 in some places. If unsure say N here.
574 !! 299
575 If you say N here, the kernel will r !! 300 config SCHED_MC
576 machines, but will use only one CPU !! 301 bool "Multi-core scheduler support"
577 you say Y here, the kernel will run !! 302 depends on SPARC64 && SMP
578 uniprocessor machines. On a uniproce !! 303 default y
579 will run faster if you say N here. !! 304 help
580 !! 305 Multi-core scheduler support improves the CPU scheduler's decision
581 People using multiprocessor machines !! 306 making when dealing with multi-core CPU chips at a cost of slightly
582 Y to "Enhanced Real Time Clock Suppo !! 307 increased overhead in some places. If unsure say N here.
>> 308
>> 309 config CMDLINE_BOOL
>> 310 bool "Default bootloader kernel arguments"
>> 311 depends on SPARC64
583 312
584 See also <file:Documentation/admin-g !! 313 config CMDLINE
585 available at <https://www.tldp.org/d !! 314 string "Initial kernel command string"
>> 315 depends on CMDLINE_BOOL
>> 316 default "console=ttyS0,9600 root=/dev/sda1"
>> 317 help
>> 318 Say Y here if you want to be able to pass default arguments to
>> 319 the kernel. This will be overridden by the bootloader, if you
>> 320 use one (such as SILO). This is most useful if you want to boot
>> 321 a kernel from TFTP, and want default options to be available
>> 322 with having them passed on the command line.
586 323
587 If you don't know what to do here, s !! 324 NOTE: This option WILL override the PROM bootargs setting!
588 325
589 config NR_CPUS !! 326 config SUN_PM
590 int "Maximum number of CPUs (2-32)" !! 327 bool
591 range 2 32 !! 328 default y if SPARC32
592 depends on SMP <<
593 default "4" if CPU_SUBTYPE_SHX3 <<
594 default "2" <<
595 help 329 help
596 This allows you to specify the maxim !! 330 Enable power management and CPU standby features on supported
597 kernel will support. The maximum su !! 331 SPARC platforms.
598 minimum value which makes sense is 2 <<
599 332
600 This is purely to save memory - each !! 333 config SPARC_LED
601 approximately eight kilobytes to the !! 334 tristate "Sun4m LED driver"
602 !! 335 depends on SPARC32
603 config HOTPLUG_CPU <<
604 bool "Support for hot-pluggable CPUs ( <<
605 depends on SMP <<
606 help 336 help
607 Say Y here to experiment with turnin !! 337 This driver toggles the front-panel LED on sun4m systems
608 can be controlled through /sys/devic !! 338 in a user-specifiable manner. Its state can be probed
>> 339 by reading /proc/led and its blinking mode can be changed
>> 340 via writes to /proc/led
609 341
610 config GUSA !! 342 config SERIAL_CONSOLE
611 def_bool y !! 343 bool
612 depends on !SMP !! 344 depends on SPARC32
>> 345 default y
>> 346 help
>> 347 If you say Y here, it will be possible to use a serial port as the
>> 348 system console (the system console is the device which receives all
>> 349 kernel messages and warnings and which allows logins in single user
>> 350 mode). This could be useful if some terminal or printer is connected
>> 351 to that serial port.
>> 352
>> 353 Even if you say Y here, the currently visible virtual console
>> 354 (/dev/tty0) will still be used as the system console by default, but
>> 355 you can alter that using a kernel command line option such as
>> 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 357 your boot loader (silo) about how to pass options to the kernel at
>> 358 boot time.)
>> 359
>> 360 If you don't have a graphics card installed and you say Y here, the
>> 361 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 362 system console.
>> 363
>> 364 If unsure, say N.
>> 365
>> 366 config SPARC_LEON
>> 367 bool "Sparc Leon processor family"
>> 368 depends on SPARC32
>> 369 select USB_EHCI_BIG_ENDIAN_MMIO
>> 370 select USB_EHCI_BIG_ENDIAN_DESC
>> 371 select USB_UHCI_BIG_ENDIAN_MMIO
>> 372 select USB_UHCI_BIG_ENDIAN_DESC
>> 373 help
>> 374 If you say Y here if you are running on a SPARC-LEON processor.
>> 375 The LEON processor is a synthesizable VHDL model of the
>> 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 377 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 379 toolchain at www.gaisler.com.
>> 380
>> 381 if SPARC_LEON
>> 382 menu "U-Boot options"
>> 383
>> 384 config UBOOT_LOAD_ADDR
>> 385 hex "uImage Load Address"
>> 386 default 0x40004000
>> 387 help
>> 388 U-Boot kernel load address, the address in physical address space
>> 389 where u-boot will place the Linux kernel before booting it.
>> 390 This address is normally the base address of main memory + 0x4000.
>> 391
>> 392 config UBOOT_FLASH_ADDR
>> 393 hex "uImage.o Load Address"
>> 394 default 0x00080000
>> 395 help
>> 396 Optional setting only affecting the uImage.o ELF-image used to
>> 397 download the uImage file to the target using a ELF-loader other than
>> 398 U-Boot. It may for example be used to download an uImage to FLASH with
>> 399 the GRMON utility before even starting u-boot.
>> 400
>> 401 config UBOOT_ENTRY_ADDR
>> 402 hex "uImage Entry Address"
>> 403 default 0xf0004000
613 help 404 help
614 This enables support for gUSA (gener !! 405 Do not change this unless you know what you're doing. This is
615 This is the default implementation f !! 406 hardcoded by the SPARC32 and LEON port.
616 CPUs, and is used by the libc, among <<
617 407
618 For additional information, design i !! 408 This is the virtual address u-boot jumps to when booting the Linux
619 in <http://lc.linux.or.jp/lc2002/pap !! 409 Kernel.
620 410
621 This should only be disabled for spe !! 411 endmenu
622 atomicity implementations exist. !! 412 endif
623 413
624 config GUSA_RB !! 414 endmenu
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 <<
633 415
634 config HW_PERF_EVENTS !! 416 menu "Bus options (PCI etc.)"
635 bool "Enable hardware performance coun !! 417 config SBUS
636 depends on PERF_EVENTS && CPU_HAS_PMU !! 418 bool
637 default y 419 default y
638 help <<
639 Enable hardware performance counter <<
640 disabled, perf events will use softw <<
641 420
642 source "drivers/sh/Kconfig" !! 421 config SBUSCHAR
>> 422 bool
>> 423 default y
643 424
644 endmenu !! 425 config SUN_LDOMS
>> 426 bool "Sun Logical Domains support"
>> 427 depends on SPARC64
>> 428 help
>> 429 Say Y here is you want to support virtual devices via
>> 430 Logical Domains.
645 431
646 menu "Boot options" !! 432 config PCIC_PCI
>> 433 bool
>> 434 depends on PCI && SPARC32 && !SPARC_LEON
>> 435 default y
647 436
648 config USE_BUILTIN_DTB !! 437 config LEON_PCI
649 bool "Use builtin DTB" !! 438 bool
650 default n !! 439 depends on PCI && SPARC_LEON
651 depends on SH_DEVICE_TREE !! 440 default y
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. <<
728 441
729 config CMDLINE_FROM_BOOTLOADER !! 442 config SPARC_GRPCI1
730 bool "Use bootloader kernel arguments" !! 443 bool "GRPCI Host Bridge Support"
>> 444 depends on LEON_PCI
>> 445 default y
>> 446 help
>> 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
>> 448 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 449 systems. The driver has one property (all_pci_errors) controlled
>> 450 from the bootloader that makes the GRPCI to generate interrupts
>> 451 on detected PCI Parity and System errors.
>> 452
>> 453 config SPARC_GRPCI2
>> 454 bool "GRPCI2 Host Bridge Support"
>> 455 depends on LEON_PCI
>> 456 default y
731 help 457 help
732 Uses the command-line options passed !! 458 Say Y here to include the GRPCI2 Host Bridge Driver.
733 459
734 endchoice !! 460 config SUN_OPENPROMFS
>> 461 tristate "Openprom tree appears in /proc/openprom"
>> 462 help
>> 463 If you say Y, the OpenPROM device tree will be available as a
>> 464 virtual file system, which you can mount to /proc/openprom by "mount
>> 465 -t openpromfs none /proc/openprom".
735 466
736 config CMDLINE !! 467 To compile the /proc/openprom support as a module, choose M here: the
737 string "Kernel command line arguments !! 468 module will be called openpromfs.
738 depends on CMDLINE_OVERWRITE || CMDLIN <<
739 default "console=ttySC1,115200" <<
740 469
741 endmenu !! 470 Only choose N if you know in advance that you will not need to modify
>> 471 OpenPROM settings on the running system.
742 472
743 menu "Bus options" !! 473 # Makefile helpers
>> 474 config SPARC64_PCI
>> 475 bool
>> 476 default y
>> 477 depends on SPARC64 && PCI
744 478
745 config MAPLE !! 479 config SPARC64_PCI_MSI
746 bool "Maple Bus support" !! 480 bool
747 depends on SH_DREAMCAST !! 481 default y
748 help !! 482 depends on SPARC64_PCI && PCI_MSI
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. <<
755 483
756 endmenu 484 endmenu
757 485
758 menu "Power management options (EXPERIMENTAL)" !! 486 config COMPAT
759 !! 487 bool
760 source "kernel/power/Kconfig" !! 488 depends on SPARC64
761 !! 489 default y
762 source "drivers/cpuidle/Kconfig" !! 490 select HAVE_UID16
>> 491 select ARCH_WANT_OLD_COMPAT_IPC
>> 492 select COMPAT_OLD_SIGACTION
763 493
764 endmenu !! 494 source "drivers/sbus/char/Kconfig"
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