1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config SUPERH !! 2 config ALPHA
3 def_bool y !! 3 bool
4 select ARCH_32BIT_OFF_T !! 4 default y
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 5 select ARCH_MIGHT_HAVE_PC_PARPORT
16 select ARCH_WANT_IPC_PARSE_VERSION !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
17 select ARCH_NEED_CMPXCHG_1_EMU !! 7 select ARCH_NO_PREEMPT
18 select CPU_NO_EFFICIENT_FFS !! 8 select ARCH_NO_SG_CHAIN
19 select DMA_DECLARE_COHERENT !! 9 select ARCH_USE_CMPXCHG_LOCKREF
20 select GENERIC_ATOMIC64 !! 10 select FORCE_PCI if !ALPHA_JENSEN
21 select GENERIC_CMOS_UPDATE if SH_SH03 !! 11 select PCI_DOMAINS if PCI
22 select GENERIC_IDLE_POLL_SETUP !! 12 select PCI_SYSCALL if PCI
23 select GENERIC_IRQ_SHOW !! 13 select HAVE_AOUT
24 select GENERIC_LIB_ASHLDI3 !! 14 select HAVE_ASM_MODVERSIONS
25 select GENERIC_LIB_ASHRDI3 !! 15 select HAVE_IDE
26 select GENERIC_LIB_LSHRDI3 !! 16 select HAVE_OPROFILE
>> 17 select HAVE_PCSPKR_PLATFORM
>> 18 select HAVE_PERF_EVENTS
>> 19 select NEED_DMA_MAP_STATE
>> 20 select NEED_SG_DMA_LENGTH
>> 21 select VIRT_TO_BUS
>> 22 select GENERIC_IRQ_PROBE
27 select GENERIC_PCI_IOMAP if PCI 23 select GENERIC_PCI_IOMAP if PCI
28 select GENERIC_SCHED_CLOCK !! 24 select AUTO_IRQ_AFFINITY if SMP
>> 25 select GENERIC_IRQ_SHOW
>> 26 select ARCH_WANT_IPC_PARSE_VERSION
>> 27 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 28 select AUDIT_ARCH
>> 29 select GENERIC_CLOCKEVENTS
>> 30 select GENERIC_CPU_VULNERABILITIES
29 select GENERIC_SMP_IDLE_THREAD 31 select GENERIC_SMP_IDLE_THREAD
30 select GUP_GET_PXX_LOW_HIGH if X2TLB !! 32 select GENERIC_STRNCPY_FROM_USER
31 select HAS_IOPORT if HAS_IOPORT_MAP !! 33 select GENERIC_STRNLEN_USER
32 select GENERIC_IOREMAP if MMU <<
33 select HAVE_ARCH_AUDITSYSCALL 34 select HAVE_ARCH_AUDITSYSCALL
34 select HAVE_ARCH_KGDB !! 35 select HAVE_MOD_ARCH_SPECIFIC
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 36 select MODULES_USE_ELF_RELA
66 select NEED_SG_DMA_LENGTH !! 37 select ODD_RT_SIGACTION
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 38 select OLD_SIGSUSPEND
71 select PCI_DOMAINS if PCI !! 39 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
72 select PERF_EVENTS !! 40 select MMU_GATHER_NO_RANGE
73 select PERF_USE_VMALLOC !! 41 help
74 select RTC_LIB !! 42 The Alpha is a 64-bit general-purpose processor designed and
75 select SPARSE_IRQ !! 43 marketed by the Digital Equipment Corporation of blessed memory,
76 select TRACE_IRQFLAGS_SUPPORT !! 44 now Hewlett-Packard. The Alpha Linux project has a home page at
77 help !! 45 <http://www.alphalinux.org/>.
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 46
87 config GENERIC_HWEIGHT !! 47 config 64BIT
88 def_bool y 48 def_bool y
89 49
90 config GENERIC_CALIBRATE_DELAY !! 50 config MMU
91 bool 51 bool
>> 52 default y
92 53
93 config GENERIC_LOCKBREAK !! 54 config ARCH_HAS_ILOG2_U32
94 def_bool y !! 55 bool
95 depends on SMP && PREEMPTION !! 56 default n
96 57
97 config ARCH_SUSPEND_POSSIBLE !! 58 config ARCH_HAS_ILOG2_U64
98 def_bool n !! 59 bool
>> 60 default n
99 61
100 config ARCH_HIBERNATION_POSSIBLE !! 62 config GENERIC_CALIBRATE_DELAY
101 def_bool n !! 63 bool
>> 64 default y
102 65
103 config SYS_SUPPORTS_APM_EMULATION !! 66 config ZONE_DMA
104 bool 67 bool
105 select ARCH_SUSPEND_POSSIBLE !! 68 default y
106 69
107 config SYS_SUPPORTS_SMP !! 70 config GENERIC_ISA_DMA
108 bool 71 bool
>> 72 default y
>> 73
>> 74 config PGTABLE_LEVELS
>> 75 int
>> 76 default 3
109 77
110 config SYS_SUPPORTS_NUMA !! 78 config AUDIT_ARCH
111 bool 79 bool
112 80
113 config STACKTRACE_SUPPORT !! 81 menu "System setup"
114 def_bool y <<
115 82
116 config LOCKDEP_SUPPORT !! 83 choice
117 def_bool y !! 84 prompt "Alpha system type"
>> 85 default ALPHA_GENERIC
>> 86 ---help---
>> 87 This is the system type of your hardware. A "generic" kernel will
>> 88 run on any supported Alpha system. However, if you configure a
>> 89 kernel for your specific system, it will be faster and smaller.
118 90
119 config ARCH_HAS_ILOG2_U32 !! 91 To find out what type of Alpha system you have, you may want to
120 def_bool n !! 92 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 93 <http://www.alphalinux.org/>. In summary:
121 94
122 config ARCH_HAS_ILOG2_U64 !! 95 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
123 def_bool n !! 96 Alpha-XL XL-233, XL-266
>> 97 AlphaBook1 Alpha laptop
>> 98 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 99 Cabriolet AlphaPC64, AlphaPCI64
>> 100 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 101 EB164 EB164 21164 evaluation board
>> 102 EB64+ EB64+ 21064 evaluation board
>> 103 EB66 EB66 21066 evaluation board
>> 104 EB66+ EB66+ 21066 evaluation board
>> 105 Jensen DECpc 150, DEC 2000 models 300, 500
>> 106 LX164 AlphaPC164-LX
>> 107 Lynx AS 2100A
>> 108 Miata Personal Workstation 433/500/600 a/au
>> 109 Marvel AlphaServer ES47 / ES80 / GS1280
>> 110 Mikasa AS 1000
>> 111 Noname AXPpci33, UDB (Multia)
>> 112 Noritake AS 1000A, AS 600A, AS 800
>> 113 PC164 AlphaPC164
>> 114 Rawhide AS 1200, AS 4000, AS 4100
>> 115 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 116 SX164 AlphaPC164-SX
>> 117 Sable AS 2000, AS 2100
>> 118 Shark DS 20L
>> 119 Takara Takara (OEM)
>> 120 Titan AlphaServer ES45 / DS25 / DS15
>> 121 Wildfire AlphaServer GS 40/80/160/320
124 122
125 config NO_IOPORT_MAP !! 123 If you don't know what to do, choose "generic".
126 def_bool !PCI <<
127 depends on !SH_SHMIN && !SH_HP6XX && ! <<
128 !SH_DREAMCAST <<
129 124
130 config IO_TRAPPED !! 125 config ALPHA_GENERIC
131 bool !! 126 bool "Generic"
>> 127 depends on TTY
>> 128 select HAVE_EISA
>> 129 help
>> 130 A generic kernel will run on all supported Alpha hardware.
132 131
133 config SWAP_IO_SPACE !! 132 config ALPHA_ALCOR
134 bool !! 133 bool "Alcor/Alpha-XLT"
>> 134 select HAVE_EISA
>> 135 help
>> 136 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 137 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 138 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 139 controller (256-bit memory bus) and a PCI interface. It also does
>> 140 all the work required to support an external Bcache and to maintain
>> 141 memory coherence when a PCI device DMAs into (or out of) memory.
135 142
136 config DMA_COHERENT !! 143 config ALPHA_XL
137 bool !! 144 bool "Alpha-XL"
>> 145 help
>> 146 XL-233 and XL-266-based Alpha systems.
138 147
139 config DMA_NONCOHERENT !! 148 config ALPHA_BOOK1
140 def_bool !NO_DMA && !DMA_COHERENT !! 149 bool "AlphaBook1"
141 select ARCH_HAS_DMA_PREP_COHERENT !! 150 help
142 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 151 Dec AlphaBook1/Burns Alpha-based laptops.
143 select DMA_DIRECT_REMAP <<
144 152
145 config PGTABLE_LEVELS !! 153 config ALPHA_AVANTI_CH
146 default 3 if X2TLB !! 154 bool "Avanti"
147 default 2 !! 155
>> 156 config ALPHA_CABRIOLET
>> 157 bool "Cabriolet"
>> 158 help
>> 159 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 160 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 161 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 162 Bcache SIMMs. Requires power supply with 3.3V output.
>> 163
>> 164 config ALPHA_DP264
>> 165 bool "DP264"
>> 166 help
>> 167 Various 21264 systems with the tsunami core logic chipset.
>> 168 API Networks: 264DP, UP2000(+), CS20;
>> 169 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 170
>> 171 config ALPHA_EB164
>> 172 bool "EB164"
>> 173 help
>> 174 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 175 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 176 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 177 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 178 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 179 motherboard. Requires power supply with 3.3V output.
>> 180
>> 181 config ALPHA_EB64P_CH
>> 182 bool "EB64+"
>> 183
>> 184 config ALPHA_EB66
>> 185 bool "EB66"
>> 186 help
>> 187 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 188 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 189 supply. The EB66 schematic was published as a marketing poster
>> 190 advertising the 21066 as "the first microprocessor in the world with
>> 191 embedded PCI".
>> 192
>> 193 config ALPHA_EB66P
>> 194 bool "EB66+"
>> 195 help
>> 196 Later variant of the EB66 board.
>> 197
>> 198 config ALPHA_EIGER
>> 199 bool "Eiger"
>> 200 help
>> 201 Apparently an obscure OEM single-board computer based on the
>> 202 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 203
>> 204 config ALPHA_JENSEN
>> 205 bool "Jensen"
>> 206 depends on BROKEN
>> 207 select HAVE_EISA
>> 208 help
>> 209 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 210 of the first-generation Alpha systems. A number of these systems
>> 211 seem to be available on the second- hand market. The Jensen is a
>> 212 floor-standing tower system which originally used a 150MHz 21064 It
>> 213 used programmable logic to interface a 486 EISA I/O bridge to the
>> 214 CPU.
>> 215
>> 216 config ALPHA_LX164
>> 217 bool "LX164"
>> 218 help
>> 219 A technical overview of this board is available at
>> 220 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 221
>> 222 config ALPHA_LYNX
>> 223 bool "Lynx"
>> 224 select HAVE_EISA
>> 225 help
>> 226 AlphaServer 2100A-based systems.
>> 227
>> 228 config ALPHA_MARVEL
>> 229 bool "Marvel"
>> 230 help
>> 231 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 232
>> 233 config ALPHA_MIATA
>> 234 bool "Miata"
>> 235 select HAVE_EISA
>> 236 help
>> 237 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 238 or 600au).
>> 239
>> 240 config ALPHA_MIKASA
>> 241 bool "Mikasa"
>> 242 help
>> 243 AlphaServer 1000-based Alpha systems.
>> 244
>> 245 config ALPHA_NAUTILUS
>> 246 bool "Nautilus"
>> 247 help
>> 248 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 249
>> 250 config ALPHA_NONAME_CH
>> 251 bool "Noname"
>> 252
>> 253 config ALPHA_NORITAKE
>> 254 bool "Noritake"
>> 255 select HAVE_EISA
>> 256 help
>> 257 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 258 systems.
>> 259
>> 260 config ALPHA_PC164
>> 261 bool "PC164"
>> 262
>> 263 config ALPHA_P2K
>> 264 bool "Platform2000"
>> 265
>> 266 config ALPHA_RAWHIDE
>> 267 bool "Rawhide"
>> 268 select HAVE_EISA
>> 269 help
>> 270 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 271 See HOWTO at
>> 272 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 273
>> 274 config ALPHA_RUFFIAN
>> 275 bool "Ruffian"
>> 276 help
>> 277 Samsung APC164UX. There is a page on known problems and workarounds
>> 278 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 279
>> 280 config ALPHA_RX164
>> 281 bool "RX164"
>> 282
>> 283 config ALPHA_SX164
>> 284 bool "SX164"
>> 285
>> 286 config ALPHA_SABLE
>> 287 bool "Sable"
>> 288 select HAVE_EISA
>> 289 help
>> 290 Digital AlphaServer 2000 and 2100-based systems.
>> 291
>> 292 config ALPHA_SHARK
>> 293 bool "Shark"
>> 294
>> 295 config ALPHA_TAKARA
>> 296 bool "Takara"
>> 297 help
>> 298 Alpha 11164-based OEM single-board computer.
>> 299
>> 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
148 304
149 menu "System type" !! 305 config ALPHA_WILDFIRE
>> 306 bool "Wildfire"
>> 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 309
>> 310 endchoice
150 311
151 # !! 312 # clear all implied options (don't want default values for those):
152 # Processor families !! 313 # Most of these machines have ISA slots; not exactly sure which don't,
153 # !! 314 # and this doesn't activate hordes of code, so do it always.
154 config CPU_SH2 !! 315 config ISA
155 bool 316 bool
156 select SH_INTC !! 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
157 324
158 config CPU_SH2A !! 325 config ISA_DMA_API
159 bool 326 bool
160 select CPU_SH2 !! 327 default y
161 select UNCACHED_MAPPING <<
162 328
163 config CPU_J2 !! 329 config ALPHA_NONAME
164 bool 330 bool
165 select CPU_SH2 !! 331 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
166 select OF !! 332 default y
167 select OF_EARLY_FLATTREE !! 333 help
>> 334 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 335 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 336 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 337 is a baby-AT size, and runs from a standard PC power supply. It has
>> 338 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 339 2 versions, with either PS/2 or large DIN connectors for the
>> 340 keyboard.
168 341
169 config CPU_SH3 !! 342 config ALPHA_EV4
170 bool 343 bool
171 select CPU_HAS_INTEVT !! 344 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
172 select CPU_HAS_SR_RB !! 345 default y if !ALPHA_LYNX
173 select SH_INTC <<
174 select SYS_SUPPORTS_SH_TMU <<
175 346
176 config CPU_SH4 !! 347 config ALPHA_LCA
177 bool 348 bool
178 select ARCH_SUPPORTS_HUGETLBFS if MMU !! 349 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
179 select CPU_HAS_INTEVT !! 350 default y
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 <<
184 351
185 config CPU_SH4A !! 352 config ALPHA_APECS
186 bool 353 bool
187 select CPU_SH4 !! 354 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 355 default y
188 356
189 config CPU_SH4AL_DSP !! 357 config ALPHA_EB64P
190 bool 358 bool
191 select CPU_SH4A !! 359 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
192 select CPU_HAS_DSP !! 360 default y
>> 361 help
>> 362 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 363 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 364 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 365 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 366 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 367 Runs from standard PC power supply.
193 368
194 config CPU_SHX2 !! 369 config ALPHA_EV5
>> 370 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 371 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
>> 372
>> 373 config ALPHA_EV4
195 bool 374 bool
>> 375 default y if ALPHA_LYNX && !ALPHA_EV5
196 376
197 config CPU_SHX3 !! 377 config ALPHA_CIA
198 bool 378 bool
199 select DMA_COHERENT !! 379 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
200 select SYS_SUPPORTS_SMP !! 380 default y
201 select SYS_SUPPORTS_NUMA !! 381
>> 382 config ALPHA_EV56
>> 383 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 384 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
202 385
203 config ARCH_SHMOBILE !! 386 config ALPHA_EV56
>> 387 prompt "EV56 CPU (speed >= 333MHz)?"
>> 388 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 389
>> 390 config ALPHA_EV56
>> 391 prompt "EV56 CPU (speed >= 400MHz)?"
>> 392 depends on ALPHA_RAWHIDE
>> 393
>> 394 config ALPHA_PRIMO
>> 395 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 396 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 397 help
>> 398 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 399
>> 400 config ALPHA_GAMMA
>> 401 bool "EV5 CPU(s) (model 5/xxx)?"
>> 402 depends on ALPHA_SABLE
>> 403 help
>> 404 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 405
>> 406 config ALPHA_GAMMA
204 bool 407 bool
205 select ARCH_SUSPEND_POSSIBLE !! 408 depends on ALPHA_LYNX
206 select PM !! 409 default y
207 410
208 config CPU_HAS_PMU !! 411 config ALPHA_T2
209 depends on CPU_SH4 || CPU_SH4A !! 412 bool
210 default y !! 413 depends on ALPHA_SABLE || ALPHA_LYNX
211 bool !! 414 default y
212 415
213 choice !! 416 config ALPHA_PYXIS
214 prompt "Processor sub-type selection" !! 417 bool
>> 418 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 419 default y
215 420
216 # !! 421 config ALPHA_EV6
217 # Processor subtypes !! 422 bool
218 # !! 423 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
219 !! 424 default y
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 <<
494 425
495 endchoice !! 426 config ALPHA_TSUNAMI
>> 427 bool
>> 428 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 429 default y
496 430
497 source "arch/sh/mm/Kconfig" !! 431 config ALPHA_EV67
498 !! 432 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
499 source "arch/sh/Kconfig.cpu" !! 433 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
500 !! 434 help
501 source "arch/sh/boards/Kconfig" !! 435 Is this a machine based on the EV67 core? If in doubt, select N here
502 !! 436 and the machine will be treated as an EV6.
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. <<
522 437
523 config SH_CLK_CPG !! 438 config ALPHA_MCPCIA
524 def_bool y !! 439 bool
>> 440 depends on ALPHA_RAWHIDE
>> 441 default y
525 442
526 config SH_CLK_CPG_LEGACY !! 443 config ALPHA_POLARIS
527 depends on SH_CLK_CPG !! 444 bool
528 def_bool y if !CPU_SUBTYPE_SH7785 && ! !! 445 depends on ALPHA_RX164
529 !CPU_SHX3 && !CPU_SUBTYP !! 446 default y
530 !CPU_SUBTYPE_SH7734 && ! <<
531 !CPU_SUBTYPE_SH7269 <<
532 447
533 endmenu !! 448 config ALPHA_IRONGATE
>> 449 bool
>> 450 depends on ALPHA_NAUTILUS
>> 451 default y
534 452
535 menu "CPU Frequency scaling" !! 453 config GENERIC_HWEIGHT
536 source "drivers/cpufreq/Kconfig" !! 454 bool
537 endmenu !! 455 default y if !ALPHA_EV67
538 456
539 source "arch/sh/drivers/Kconfig" !! 457 config ALPHA_AVANTI
>> 458 bool
>> 459 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 460 default y
>> 461 help
>> 462 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 463 Alphas. Info at
>> 464 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
540 465
541 endmenu !! 466 config ALPHA_BROKEN_IRQ_MASK
>> 467 bool
>> 468 depends on ALPHA_GENERIC || ALPHA_PC164
>> 469 default y
542 470
543 menu "Kernel features" !! 471 config VGA_HOSE
>> 472 bool
>> 473 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 474 default y
>> 475 help
>> 476 Support VGA on an arbitrary hose; needed for several platforms
>> 477 which always have multiple hoses, and whose consoles support it.
544 478
545 source "kernel/Kconfig.hz" <<
546 479
547 config ARCH_SUPPORTS_KEXEC !! 480 config ALPHA_QEMU
548 def_bool MMU !! 481 bool "Run under QEMU emulation"
>> 482 depends on !ALPHA_GENERIC
>> 483 ---help---
>> 484 Assume the presence of special features supported by QEMU PALcode
>> 485 that reduce the overhead of system emulation.
>> 486
>> 487 Generic kernels will auto-detect QEMU. But when building a
>> 488 system-specific kernel, the assumption is that we want to
>> 489 eliminate as many runtime tests as possible.
>> 490
>> 491 If unsure, say N.
>> 492
>> 493
>> 494 config ALPHA_SRM
>> 495 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
>> 496 depends on TTY
>> 497 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 498 ---help---
>> 499 There are two different types of booting firmware on Alphas: SRM,
>> 500 which is command line driven, and ARC, which uses menus and arrow
>> 501 keys. Details about the Linux/Alpha booting process are contained in
>> 502 the Linux/Alpha FAQ, accessible on the WWW from
>> 503 <http://www.alphalinux.org/>.
>> 504
>> 505 The usual way to load Linux on an Alpha machine is to use MILO
>> 506 (a bootloader that lets you pass command line parameters to the
>> 507 kernel just like lilo does for the x86 architecture) which can be
>> 508 loaded either from ARC or can be installed directly as a permanent
>> 509 firmware replacement from floppy (which requires changing a certain
>> 510 jumper on the motherboard). If you want to do either of these, say N
>> 511 here. If MILO doesn't work on your system (true for Jensen
>> 512 motherboards), you can bypass it altogether and boot Linux directly
>> 513 from an SRM console; say Y here in order to do that. Note that you
>> 514 won't be able to boot from an IDE disk using SRM.
549 515
550 config ARCH_SUPPORTS_CRASH_DUMP !! 516 If unsure, say N.
551 def_bool BROKEN_ON_SMP <<
552 517
553 config ARCH_SUPPORTS_KEXEC_JUMP !! 518 config ARCH_MAY_HAVE_PC_FDC
554 def_bool y 519 def_bool y
555 520
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 521 config SMP
568 bool "Symmetric multi-processing suppo 522 bool "Symmetric multi-processing support"
569 depends on SYS_SUPPORTS_SMP !! 523 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
570 help !! 524 ---help---
571 This enables support for systems wit 525 This enables support for systems with more than one CPU. If you have
572 a system with only one CPU, say N. I 526 a system with only one CPU, say N. If you have a system with more
573 than one CPU, say Y. 527 than one CPU, say Y.
574 528
575 If you say N here, the kernel will r 529 If you say N here, the kernel will run on uni- and multiprocessor
576 machines, but will use only one CPU 530 machines, but will use only one CPU of a multiprocessor machine. If
577 you say Y here, the kernel will run 531 you say Y here, the kernel will run on many, but not all,
578 uniprocessor machines. On a uniproce 532 uniprocessor machines. On a uniprocessor machine, the kernel
579 will run faster if you say N here. 533 will run faster if you say N here.
580 534
581 People using multiprocessor machines !! 535 See also the SMP-HOWTO available at
582 Y to "Enhanced Real Time Clock Suppo !! 536 <http://www.tldp.org/docs.html#howto>.
583 <<
584 See also <file:Documentation/admin-g <<
585 available at <https://www.tldp.org/d <<
586 537
587 If you don't know what to do here, s 538 If you don't know what to do here, say N.
588 539
589 config NR_CPUS 540 config NR_CPUS
590 int "Maximum number of CPUs (2-32)" 541 int "Maximum number of CPUs (2-32)"
591 range 2 32 542 range 2 32
592 depends on SMP 543 depends on SMP
593 default "4" if CPU_SUBTYPE_SHX3 !! 544 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
594 default "2" !! 545 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
595 help 546 help
596 This allows you to specify the maxim !! 547 MARVEL support can handle a maximum of 32 CPUs, all the others
597 kernel will support. The maximum su !! 548 with working support have a maximum of 4 CPUs.
598 minimum value which makes sense is 2 <<
599 <<
600 This is purely to save memory - each <<
601 approximately eight kilobytes to the <<
602 549
603 config HOTPLUG_CPU !! 550 config ARCH_DISCONTIGMEM_ENABLE
604 bool "Support for hot-pluggable CPUs ( !! 551 bool "Discontiguous Memory Support"
605 depends on SMP <<
606 help 552 help
607 Say Y here to experiment with turnin !! 553 Say Y to support efficient handling of discontiguous physical memory,
608 can be controlled through /sys/devic !! 554 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 555 or have huge holes in the physical address space for other reasons.
>> 556 See <file:Documentation/vm/numa.rst> for more.
>> 557
>> 558 config NUMA
>> 559 bool "NUMA Support (EXPERIMENTAL)"
>> 560 depends on DISCONTIGMEM && BROKEN
>> 561 help
>> 562 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 563 Access). This option is for configuring high-end multiprocessor
>> 564 server machines. If in doubt, say N.
>> 565
>> 566 config ALPHA_WTINT
>> 567 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 568 default y if ALPHA_QEMU
>> 569 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 570 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 571 default y if SMP
>> 572 ---help---
>> 573 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 574 to sleep until the next interrupt. This may reduce the power
>> 575 consumed, and the heat produced by the computer. However, it has
>> 576 the side effect of making the cycle counter unreliable as a timing
>> 577 device across the sleep.
>> 578
>> 579 For emulation under QEMU, definitely say Y here, as we have other
>> 580 mechanisms for measuring time than the cycle counter.
>> 581
>> 582 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 583 MILO, sleep mode is not supported so you might as well say N here.
>> 584
>> 585 For SMP systems we cannot use the cycle counter for timing anyway,
>> 586 so you might as well say Y here.
>> 587
>> 588 If unsure, say N.
>> 589
>> 590 config NODES_SHIFT
>> 591 int
>> 592 default "7"
>> 593 depends on NEED_MULTIPLE_NODES
>> 594
>> 595 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 596 config ALPHA_LARGE_VMALLOC
>> 597 bool
>> 598 ---help---
>> 599 Process creation and other aspects of virtual memory management can
>> 600 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 601 allocations. This equates to about 8GB.
>> 602
>> 603 Under normal circumstances, this is so far and above what is needed
>> 604 as to be laughable. However, there are certain applications (such
>> 605 as benchmark-grade in-kernel web serving) that can make use of as
>> 606 much vmalloc space as is available.
>> 607
>> 608 Say N unless you know you need gobs and gobs of vmalloc space.
>> 609
>> 610 config VERBOSE_MCHECK
>> 611 bool "Verbose Machine Checks"
>> 612
>> 613 config VERBOSE_MCHECK_ON
>> 614 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 615 depends on VERBOSE_MCHECK
>> 616 default 1
>> 617 ---help---
>> 618 This option allows the default printing mode to be set, and then
>> 619 possibly overridden by a boot command argument.
>> 620
>> 621 For example, if one wanted the option of printing verbose
>> 622 machine checks, but wanted the default to be as if verbose
>> 623 machine check printing was turned off, then one would choose
>> 624 the printing mode to be 0. Then, upon reboot, one could add
>> 625 the boot command line "verbose_mcheck=1" to get the normal
>> 626 verbose machine check printing, or "verbose_mcheck=2" to get
>> 627 the maximum information available.
609 628
610 config GUSA !! 629 Take the default (1) unless you want more control or more info.
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 <<
709 630
710 choice 631 choice
711 prompt "Kernel command line" !! 632 prompt "Timer interrupt frequency (HZ)?"
712 default CMDLINE_OVERWRITE !! 633 default HZ_128 if ALPHA_QEMU
713 help !! 634 default HZ_1200 if ALPHA_RAWHIDE
714 Setting this option allows the kerne !! 635 default HZ_1024
715 to be set. !! 636 ---help---
716 !! 637 The frequency at which timer interrupts occur. A high frequency
717 config CMDLINE_OVERWRITE !! 638 minimizes latency, whereas a low frequency minimizes overhead of
718 bool "Overwrite bootloader kernel argu !! 639 process accounting. The later effect is especially significant
719 help !! 640 when being run under QEMU.
720 Given string will overwrite any argu !! 641
721 a bootloader. !! 642 Note that some Alpha hardware cannot change the interrupt frequency
722 !! 643 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
723 config CMDLINE_EXTEND !! 644
724 bool "Extend bootloader kernel argumen !! 645 config HZ_32
725 help !! 646 bool "32 Hz"
726 Given string will be concatenated wi !! 647 config HZ_64
727 by a bootloader. !! 648 bool "64 Hz"
728 !! 649 config HZ_128
729 config CMDLINE_FROM_BOOTLOADER !! 650 bool "128 Hz"
730 bool "Use bootloader kernel arguments" !! 651 config HZ_256
731 help !! 652 bool "256 Hz"
732 Uses the command-line options passed !! 653 config HZ_1024
733 !! 654 bool "1024 Hz"
>> 655 config HZ_1200
>> 656 bool "1200 Hz"
734 endchoice 657 endchoice
735 658
736 config CMDLINE !! 659 config HZ
737 string "Kernel command line arguments !! 660 int
738 depends on CMDLINE_OVERWRITE || CMDLIN !! 661 default 32 if HZ_32
739 default "console=ttySC1,115200" !! 662 default 64 if HZ_64
740 !! 663 default 128 if HZ_128
741 endmenu !! 664 default 256 if HZ_256
742 !! 665 default 1200 if HZ_1200
743 menu "Bus options" !! 666 default 1024
>> 667
>> 668 config SRM_ENV
>> 669 tristate "SRM environment through procfs"
>> 670 depends on PROC_FS
>> 671 ---help---
>> 672 If you enable this option, a subdirectory inside /proc called
>> 673 /proc/srm_environment will give you access to the all important
>> 674 SRM environment variables (those which have a name) and also
>> 675 to all others (by their internal number).
>> 676
>> 677 SRM is something like a BIOS for Alpha machines. There are some
>> 678 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 679 support (hey, that's not SRM!).
>> 680
>> 681 Despite the fact that this driver doesn't work on all Alphas (but
>> 682 only on those which have SRM as their firmware), it's save to
>> 683 build it even if your particular machine doesn't know about SRM
>> 684 (or if you intend to compile a generic kernel). It will simply
>> 685 not create those subdirectory in /proc (and give you some warning,
>> 686 of course).
744 687
745 config MAPLE !! 688 This driver is also available as a module and will be called
746 bool "Maple Bus support" !! 689 srm_env then.
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. <<
755 690
756 endmenu 691 endmenu
757 692
758 menu "Power management options (EXPERIMENTAL)" !! 693 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
759 !! 694 # but we also need it if VGA_HOSE is set
760 source "kernel/power/Kconfig" !! 695 config DUMMY_CONSOLE
761 !! 696 bool
762 source "drivers/cpuidle/Kconfig" !! 697 depends on VGA_HOSE
763 !! 698 default y
764 endmenu <<
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