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 DMA_OPS if PCI
21 select GENERIC_CMOS_UPDATE if SH_SH03 !! 11 select FORCE_PCI if !ALPHA_JENSEN
22 select GENERIC_IDLE_POLL_SETUP !! 12 select PCI_DOMAINS if PCI
23 select GENERIC_IRQ_SHOW !! 13 select PCI_SYSCALL if PCI
24 select GENERIC_LIB_ASHLDI3 !! 14 select HAVE_AOUT
25 select GENERIC_LIB_ASHRDI3 !! 15 select HAVE_ASM_MODVERSIONS
26 select GENERIC_LIB_LSHRDI3 !! 16 select HAVE_IDE
>> 17 select HAVE_OPROFILE
>> 18 select HAVE_PCSPKR_PLATFORM
>> 19 select HAVE_PERF_EVENTS
>> 20 select NEED_DMA_MAP_STATE
>> 21 select NEED_SG_DMA_LENGTH
>> 22 select VIRT_TO_BUS
>> 23 select GENERIC_IRQ_PROBE
27 select GENERIC_PCI_IOMAP if PCI 24 select GENERIC_PCI_IOMAP if PCI
28 select GENERIC_SCHED_CLOCK !! 25 select AUTO_IRQ_AFFINITY if SMP
>> 26 select GENERIC_IRQ_SHOW
>> 27 select ARCH_WANT_IPC_PARSE_VERSION
>> 28 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 29 select AUDIT_ARCH
>> 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 select SET_FS
74 select RTC_LIB !! 42 select SPARSEMEM_EXTREME if SPARSEMEM
75 select SPARSE_IRQ !! 43 help
76 select TRACE_IRQFLAGS_SUPPORT !! 44 The Alpha is a 64-bit general-purpose processor designed and
77 help !! 45 marketed by the Digital Equipment Corporation of blessed memory,
78 The SuperH is a RISC processor targe !! 46 now Hewlett-Packard. The Alpha Linux project has a home page at
79 and consumer electronics; it was als !! 47 <http://www.alphalinux.org/>.
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 48
87 config GENERIC_HWEIGHT !! 49 config 64BIT
88 def_bool y 50 def_bool y
89 51
90 config GENERIC_CALIBRATE_DELAY !! 52 config MMU
91 bool 53 bool
>> 54 default y
92 55
93 config GENERIC_LOCKBREAK !! 56 config ARCH_HAS_ILOG2_U32
94 def_bool y !! 57 bool
95 depends on SMP && PREEMPTION !! 58 default n
96 59
97 config ARCH_SUSPEND_POSSIBLE !! 60 config ARCH_HAS_ILOG2_U64
98 def_bool n !! 61 bool
>> 62 default n
99 63
100 config ARCH_HIBERNATION_POSSIBLE !! 64 config GENERIC_CALIBRATE_DELAY
101 def_bool n !! 65 bool
>> 66 default y
102 67
103 config SYS_SUPPORTS_APM_EMULATION !! 68 config ZONE_DMA
104 bool 69 bool
105 select ARCH_SUSPEND_POSSIBLE !! 70 default y
106 71
107 config SYS_SUPPORTS_SMP !! 72 config GENERIC_ISA_DMA
108 bool 73 bool
>> 74 default y
109 75
110 config SYS_SUPPORTS_NUMA !! 76 config PGTABLE_LEVELS
>> 77 int
>> 78 default 3
>> 79
>> 80 config AUDIT_ARCH
111 bool 81 bool
112 82
113 config STACKTRACE_SUPPORT !! 83 menu "System setup"
114 def_bool y <<
115 84
116 config LOCKDEP_SUPPORT !! 85 choice
117 def_bool y !! 86 prompt "Alpha system type"
>> 87 default ALPHA_GENERIC
>> 88 help
>> 89 This is the system type of your hardware. A "generic" kernel will
>> 90 run on any supported Alpha system. However, if you configure a
>> 91 kernel for your specific system, it will be faster and smaller.
118 92
119 config ARCH_HAS_ILOG2_U32 !! 93 To find out what type of Alpha system you have, you may want to
120 def_bool n !! 94 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 95 <http://www.alphalinux.org/>. In summary:
121 96
122 config ARCH_HAS_ILOG2_U64 !! 97 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
123 def_bool n !! 98 Alpha-XL XL-233, XL-266
>> 99 AlphaBook1 Alpha laptop
>> 100 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 101 Cabriolet AlphaPC64, AlphaPCI64
>> 102 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 103 EB164 EB164 21164 evaluation board
>> 104 EB64+ EB64+ 21064 evaluation board
>> 105 EB66 EB66 21066 evaluation board
>> 106 EB66+ EB66+ 21066 evaluation board
>> 107 Jensen DECpc 150, DEC 2000 models 300, 500
>> 108 LX164 AlphaPC164-LX
>> 109 Lynx AS 2100A
>> 110 Miata Personal Workstation 433/500/600 a/au
>> 111 Marvel AlphaServer ES47 / ES80 / GS1280
>> 112 Mikasa AS 1000
>> 113 Noname AXPpci33, UDB (Multia)
>> 114 Noritake AS 1000A, AS 600A, AS 800
>> 115 PC164 AlphaPC164
>> 116 Rawhide AS 1200, AS 4000, AS 4100
>> 117 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 118 SX164 AlphaPC164-SX
>> 119 Sable AS 2000, AS 2100
>> 120 Shark DS 20L
>> 121 Takara Takara (OEM)
>> 122 Titan AlphaServer ES45 / DS25 / DS15
>> 123 Wildfire AlphaServer GS 40/80/160/320
124 124
125 config NO_IOPORT_MAP !! 125 If you don't know what to do, choose "generic".
126 def_bool !PCI <<
127 depends on !SH_SHMIN && !SH_HP6XX && ! <<
128 !SH_DREAMCAST <<
129 126
130 config IO_TRAPPED !! 127 config ALPHA_GENERIC
131 bool !! 128 bool "Generic"
>> 129 depends on TTY
>> 130 select HAVE_EISA
>> 131 help
>> 132 A generic kernel will run on all supported Alpha hardware.
132 133
133 config SWAP_IO_SPACE !! 134 config ALPHA_ALCOR
134 bool !! 135 bool "Alcor/Alpha-XLT"
>> 136 select HAVE_EISA
>> 137 help
>> 138 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 139 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 140 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 141 controller (256-bit memory bus) and a PCI interface. It also does
>> 142 all the work required to support an external Bcache and to maintain
>> 143 memory coherence when a PCI device DMAs into (or out of) memory.
>> 144
>> 145 config ALPHA_XL
>> 146 bool "Alpha-XL"
>> 147 help
>> 148 XL-233 and XL-266-based Alpha systems.
>> 149
>> 150 config ALPHA_BOOK1
>> 151 bool "AlphaBook1"
>> 152 help
>> 153 Dec AlphaBook1/Burns Alpha-based laptops.
>> 154
>> 155 config ALPHA_AVANTI_CH
>> 156 bool "Avanti"
>> 157
>> 158 config ALPHA_CABRIOLET
>> 159 bool "Cabriolet"
>> 160 help
>> 161 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 162 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 163 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 164 Bcache SIMMs. Requires power supply with 3.3V output.
>> 165
>> 166 config ALPHA_DP264
>> 167 bool "DP264"
>> 168 help
>> 169 Various 21264 systems with the tsunami core logic chipset.
>> 170 API Networks: 264DP, UP2000(+), CS20;
>> 171 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 172
>> 173 config ALPHA_EB164
>> 174 bool "EB164"
>> 175 help
>> 176 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 177 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 178 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 179 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 180 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 181 motherboard. Requires power supply with 3.3V output.
>> 182
>> 183 config ALPHA_EB64P_CH
>> 184 bool "EB64+"
>> 185
>> 186 config ALPHA_EB66
>> 187 bool "EB66"
>> 188 help
>> 189 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 190 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 191 supply. The EB66 schematic was published as a marketing poster
>> 192 advertising the 21066 as "the first microprocessor in the world with
>> 193 embedded PCI".
>> 194
>> 195 config ALPHA_EB66P
>> 196 bool "EB66+"
>> 197 help
>> 198 Later variant of the EB66 board.
>> 199
>> 200 config ALPHA_EIGER
>> 201 bool "Eiger"
>> 202 help
>> 203 Apparently an obscure OEM single-board computer based on the
>> 204 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 205
>> 206 config ALPHA_JENSEN
>> 207 bool "Jensen"
>> 208 depends on BROKEN
>> 209 select HAVE_EISA
>> 210 help
>> 211 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 212 of the first-generation Alpha systems. A number of these systems
>> 213 seem to be available on the second- hand market. The Jensen is a
>> 214 floor-standing tower system which originally used a 150MHz 21064 It
>> 215 used programmable logic to interface a 486 EISA I/O bridge to the
>> 216 CPU.
>> 217
>> 218 config ALPHA_LX164
>> 219 bool "LX164"
>> 220 help
>> 221 A technical overview of this board is available at
>> 222 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 223
>> 224 config ALPHA_LYNX
>> 225 bool "Lynx"
>> 226 select HAVE_EISA
>> 227 help
>> 228 AlphaServer 2100A-based systems.
>> 229
>> 230 config ALPHA_MARVEL
>> 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 234
>> 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 select HAVE_EISA
>> 238 help
>> 239 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 240 or 600au).
>> 241
>> 242 config ALPHA_MIKASA
>> 243 bool "Mikasa"
>> 244 help
>> 245 AlphaServer 1000-based Alpha systems.
>> 246
>> 247 config ALPHA_NAUTILUS
>> 248 bool "Nautilus"
>> 249 help
>> 250 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 251
>> 252 config ALPHA_NONAME_CH
>> 253 bool "Noname"
>> 254
>> 255 config ALPHA_NORITAKE
>> 256 bool "Noritake"
>> 257 select HAVE_EISA
>> 258 help
>> 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
>> 261
>> 262 config ALPHA_PC164
>> 263 bool "PC164"
>> 264
>> 265 config ALPHA_P2K
>> 266 bool "Platform2000"
>> 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 select HAVE_EISA
>> 271 help
>> 272 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 273 See HOWTO at
>> 274 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 275
>> 276 config ALPHA_RUFFIAN
>> 277 bool "Ruffian"
>> 278 help
>> 279 Samsung APC164UX. There is a page on known problems and workarounds
>> 280 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 281
>> 282 config ALPHA_RX164
>> 283 bool "RX164"
>> 284
>> 285 config ALPHA_SX164
>> 286 bool "SX164"
>> 287
>> 288 config ALPHA_SABLE
>> 289 bool "Sable"
>> 290 select HAVE_EISA
>> 291 help
>> 292 Digital AlphaServer 2000 and 2100-based systems.
>> 293
>> 294 config ALPHA_SHARK
>> 295 bool "Shark"
135 296
136 config DMA_COHERENT !! 297 config ALPHA_TAKARA
>> 298 bool "Takara"
>> 299 help
>> 300 Alpha 11164-based OEM single-board computer.
>> 301
>> 302 config ALPHA_TITAN
>> 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 306
>> 307 config ALPHA_WILDFIRE
>> 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 311
>> 312 endchoice
>> 313
>> 314 # clear all implied options (don't want default values for those):
>> 315 # Most of these machines have ISA slots; not exactly sure which don't,
>> 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
137 bool 318 bool
>> 319 default y
>> 320 help
>> 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
138 326
139 config DMA_NONCOHERENT !! 327 config ISA_DMA_API
140 def_bool !NO_DMA && !DMA_COHERENT !! 328 bool
141 select ARCH_HAS_DMA_PREP_COHERENT !! 329 default y
142 select ARCH_HAS_SYNC_DMA_FOR_DEVICE <<
143 select DMA_DIRECT_REMAP <<
144 330
145 config PGTABLE_LEVELS !! 331 config ALPHA_NONAME
146 default 3 if X2TLB !! 332 bool
147 default 2 !! 333 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 334 default y
>> 335 help
>> 336 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 337 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 338 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 339 is a baby-AT size, and runs from a standard PC power supply. It has
>> 340 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 341 2 versions, with either PS/2 or large DIN connectors for the
>> 342 keyboard.
148 343
149 menu "System type" !! 344 config ALPHA_EV4
>> 345 bool
>> 346 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
>> 347 default y if !ALPHA_LYNX
150 348
151 # !! 349 config ALPHA_LCA
152 # Processor families <<
153 # <<
154 config CPU_SH2 <<
155 bool 350 bool
156 select SH_INTC !! 351 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 352 default y
157 353
158 config CPU_SH2A !! 354 config ALPHA_APECS
159 bool 355 bool
160 select CPU_SH2 !! 356 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
161 select UNCACHED_MAPPING !! 357 default y
162 358
163 config CPU_J2 !! 359 config ALPHA_EB64P
164 bool 360 bool
165 select CPU_SH2 !! 361 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
166 select OF !! 362 default y
167 select OF_EARLY_FLATTREE !! 363 help
>> 364 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 365 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 366 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 367 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 368 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 369 Runs from standard PC power supply.
>> 370
>> 371 config ALPHA_EV5
>> 372 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 373 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
168 374
169 config CPU_SH3 !! 375 config ALPHA_EV4
170 bool 376 bool
171 select CPU_HAS_INTEVT !! 377 default y if ALPHA_LYNX && !ALPHA_EV5
172 select CPU_HAS_SR_RB <<
173 select SH_INTC <<
174 select SYS_SUPPORTS_SH_TMU <<
175 378
176 config CPU_SH4 !! 379 config ALPHA_CIA
177 bool 380 bool
178 select ARCH_SUPPORTS_HUGETLBFS if MMU !! 381 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
179 select CPU_HAS_INTEVT !! 382 default y
180 select CPU_HAS_SR_RB !! 383
181 select CPU_HAS_FPU if !CPU_SH4AL_DSP !! 384 config ALPHA_EV56
182 select SH_INTC !! 385 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
183 select SYS_SUPPORTS_SH_TMU !! 386 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 387
>> 388 config ALPHA_EV56
>> 389 prompt "EV56 CPU (speed >= 333MHz)?"
>> 390 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 391
>> 392 config ALPHA_EV56
>> 393 prompt "EV56 CPU (speed >= 400MHz)?"
>> 394 depends on ALPHA_RAWHIDE
>> 395
>> 396 config ALPHA_PRIMO
>> 397 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 399 help
>> 400 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
184 401
185 config CPU_SH4A !! 402 config ALPHA_GAMMA
>> 403 bool "EV5 CPU(s) (model 5/xxx)?"
>> 404 depends on ALPHA_SABLE
>> 405 help
>> 406 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 407
>> 408 config ALPHA_GAMMA
186 bool 409 bool
187 select CPU_SH4 !! 410 depends on ALPHA_LYNX
>> 411 default y
188 412
189 config CPU_SH4AL_DSP !! 413 config ALPHA_T2
190 bool 414 bool
191 select CPU_SH4A !! 415 depends on ALPHA_SABLE || ALPHA_LYNX
192 select CPU_HAS_DSP !! 416 default y
193 417
194 config CPU_SHX2 !! 418 config ALPHA_PYXIS
195 bool 419 bool
>> 420 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 421 default y
196 422
197 config CPU_SHX3 !! 423 config ALPHA_EV6
198 bool 424 bool
199 select DMA_COHERENT !! 425 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
200 select SYS_SUPPORTS_SMP !! 426 default y
201 select SYS_SUPPORTS_NUMA <<
202 427
203 config ARCH_SHMOBILE !! 428 config ALPHA_TSUNAMI
204 bool 429 bool
205 select ARCH_SUSPEND_POSSIBLE !! 430 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
206 select PM !! 431 default y
207 432
208 config CPU_HAS_PMU !! 433 config ALPHA_EV67
209 depends on CPU_SH4 || CPU_SH4A !! 434 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
210 default y !! 435 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
211 bool !! 436 help
>> 437 Is this a machine based on the EV67 core? If in doubt, select N here
>> 438 and the machine will be treated as an EV6.
212 439
213 choice !! 440 config ALPHA_MCPCIA
214 prompt "Processor sub-type selection" !! 441 bool
>> 442 depends on ALPHA_RAWHIDE
>> 443 default y
215 444
216 # !! 445 config ALPHA_POLARIS
217 # Processor subtypes !! 446 bool
218 # !! 447 depends on ALPHA_RX164
219 !! 448 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 <<
494 449
495 endchoice !! 450 config ALPHA_IRONGATE
>> 451 bool
>> 452 depends on ALPHA_NAUTILUS
>> 453 default y
496 454
497 source "arch/sh/mm/Kconfig" !! 455 config GENERIC_HWEIGHT
498 !! 456 bool
499 source "arch/sh/Kconfig.cpu" !! 457 default y if !ALPHA_EV67
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. <<
522 458
523 config SH_CLK_CPG !! 459 config ALPHA_AVANTI
524 def_bool y !! 460 bool
>> 461 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 462 default y
>> 463 help
>> 464 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 465 Alphas. Info at
>> 466 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
525 467
526 config SH_CLK_CPG_LEGACY !! 468 config ALPHA_BROKEN_IRQ_MASK
527 depends on SH_CLK_CPG !! 469 bool
528 def_bool y if !CPU_SUBTYPE_SH7785 && ! !! 470 depends on ALPHA_GENERIC || ALPHA_PC164
529 !CPU_SHX3 && !CPU_SUBTYP !! 471 default y
530 !CPU_SUBTYPE_SH7734 && ! <<
531 !CPU_SUBTYPE_SH7269 <<
532 472
533 endmenu !! 473 config VGA_HOSE
>> 474 bool
>> 475 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 476 default y
>> 477 help
>> 478 Support VGA on an arbitrary hose; needed for several platforms
>> 479 which always have multiple hoses, and whose consoles support it.
534 480
535 menu "CPU Frequency scaling" <<
536 source "drivers/cpufreq/Kconfig" <<
537 endmenu <<
538 481
539 source "arch/sh/drivers/Kconfig" !! 482 config ALPHA_QEMU
>> 483 bool "Run under QEMU emulation"
>> 484 depends on !ALPHA_GENERIC
>> 485 help
>> 486 Assume the presence of special features supported by QEMU PALcode
>> 487 that reduce the overhead of system emulation.
540 488
541 endmenu !! 489 Generic kernels will auto-detect QEMU. But when building a
>> 490 system-specific kernel, the assumption is that we want to
>> 491 eliminate as many runtime tests as possible.
542 492
543 menu "Kernel features" !! 493 If unsure, say N.
544 494
545 source "kernel/Kconfig.hz" <<
546 495
547 config ARCH_SUPPORTS_KEXEC !! 496 config ALPHA_SRM
548 def_bool MMU !! 497 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
>> 498 depends on TTY
>> 499 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
>> 500 help
>> 501 There are two different types of booting firmware on Alphas: SRM,
>> 502 which is command line driven, and ARC, which uses menus and arrow
>> 503 keys. Details about the Linux/Alpha booting process are contained in
>> 504 the Linux/Alpha FAQ, accessible on the WWW from
>> 505 <http://www.alphalinux.org/>.
549 506
550 config ARCH_SUPPORTS_CRASH_DUMP !! 507 The usual way to load Linux on an Alpha machine is to use MILO
551 def_bool BROKEN_ON_SMP !! 508 (a bootloader that lets you pass command line parameters to the
>> 509 kernel just like lilo does for the x86 architecture) which can be
>> 510 loaded either from ARC or can be installed directly as a permanent
>> 511 firmware replacement from floppy (which requires changing a certain
>> 512 jumper on the motherboard). If you want to do either of these, say N
>> 513 here. If MILO doesn't work on your system (true for Jensen
>> 514 motherboards), you can bypass it altogether and boot Linux directly
>> 515 from an SRM console; say Y here in order to do that. Note that you
>> 516 won't be able to boot from an IDE disk using SRM.
552 517
553 config ARCH_SUPPORTS_KEXEC_JUMP !! 518 If unsure, say N.
554 def_bool y <<
555 519
556 config PHYSICAL_START !! 520 config ARCH_MAY_HAVE_PC_FDC
557 hex "Physical address where the kernel !! 521 def_bool y
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. <<
566 522
567 config SMP 523 config SMP
568 bool "Symmetric multi-processing suppo 524 bool "Symmetric multi-processing support"
569 depends on SYS_SUPPORTS_SMP !! 525 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
570 help 526 help
571 This enables support for systems wit 527 This enables support for systems with more than one CPU. If you have
572 a system with only one CPU, say N. I 528 a system with only one CPU, say N. If you have a system with more
573 than one CPU, say Y. 529 than one CPU, say Y.
574 530
575 If you say N here, the kernel will r 531 If you say N here, the kernel will run on uni- and multiprocessor
576 machines, but will use only one CPU 532 machines, but will use only one CPU of a multiprocessor machine. If
577 you say Y here, the kernel will run 533 you say Y here, the kernel will run on many, but not all,
578 uniprocessor machines. On a uniproce 534 uniprocessor machines. On a uniprocessor machine, the kernel
579 will run faster if you say N here. 535 will run faster if you say N here.
580 536
581 People using multiprocessor machines !! 537 See also the SMP-HOWTO available at
582 Y to "Enhanced Real Time Clock Suppo !! 538 <http://www.tldp.org/docs.html#howto>.
583 <<
584 See also <file:Documentation/admin-g <<
585 available at <https://www.tldp.org/d <<
586 539
587 If you don't know what to do here, s 540 If you don't know what to do here, say N.
588 541
589 config NR_CPUS 542 config NR_CPUS
590 int "Maximum number of CPUs (2-32)" 543 int "Maximum number of CPUs (2-32)"
591 range 2 32 544 range 2 32
592 depends on SMP 545 depends on SMP
593 default "4" if CPU_SUBTYPE_SHX3 !! 546 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
594 default "2" !! 547 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
595 help 548 help
596 This allows you to specify the maxim !! 549 MARVEL support can handle a maximum of 32 CPUs, all the others
597 kernel will support. The maximum su !! 550 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 <<
602 551
603 config HOTPLUG_CPU !! 552 config ARCH_DISCONTIGMEM_ENABLE
604 bool "Support for hot-pluggable CPUs ( !! 553 bool "Discontiguous Memory Support"
605 depends on SMP !! 554 depends on BROKEN
606 help 555 help
607 Say Y here to experiment with turnin !! 556 Say Y to support efficient handling of discontiguous physical memory,
608 can be controlled through /sys/devic !! 557 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 558 or have huge holes in the physical address space for other reasons.
>> 559 See <file:Documentation/vm/numa.rst> for more.
609 560
610 config GUSA !! 561 config ARCH_SPARSEMEM_ENABLE
611 def_bool y !! 562 bool "Sparse Memory Support"
612 depends on !SMP <<
613 help 563 help
614 This enables support for gUSA (gener !! 564 Say Y to support efficient handling of discontiguous physical memory,
615 This is the default implementation f !! 565 for systems that have huge holes in the physical address space.
616 CPUs, and is used by the libc, among <<
617 566
618 For additional information, design i !! 567 config NUMA
619 in <http://lc.linux.or.jp/lc2002/pap !! 568 bool "NUMA Support (EXPERIMENTAL)"
620 !! 569 depends on DISCONTIGMEM && BROKEN
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 570 help
628 Enabling this option will allow the !! 571 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
629 atomic operations using a software i !! 572 Access). This option is for configuring high-end multiprocessor
630 store-conditional (LLSC). On machine !! 573 server machines. If in doubt, say N.
631 LLSC, this should be more efficient <<
632 disabling interrupts around the atom <<
633 574
634 config HW_PERF_EVENTS !! 575 config ALPHA_WTINT
635 bool "Enable hardware performance coun !! 576 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
636 depends on PERF_EVENTS && CPU_HAS_PMU !! 577 default y if ALPHA_QEMU
637 default y !! 578 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 579 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 580 default y if SMP
638 help 581 help
639 Enable hardware performance counter !! 582 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
640 disabled, perf events will use softw !! 583 to sleep until the next interrupt. This may reduce the power
>> 584 consumed, and the heat produced by the computer. However, it has
>> 585 the side effect of making the cycle counter unreliable as a timing
>> 586 device across the sleep.
641 587
642 source "drivers/sh/Kconfig" !! 588 For emulation under QEMU, definitely say Y here, as we have other
>> 589 mechanisms for measuring time than the cycle counter.
643 590
644 endmenu !! 591 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 592 MILO, sleep mode is not supported so you might as well say N here.
645 593
646 menu "Boot options" !! 594 For SMP systems we cannot use the cycle counter for timing anyway,
>> 595 so you might as well say Y here.
647 596
648 config USE_BUILTIN_DTB !! 597 If unsure, say N.
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. <<
722 598
723 config CMDLINE_EXTEND !! 599 config NODES_SHIFT
724 bool "Extend bootloader kernel argumen !! 600 int
725 help !! 601 default "7"
726 Given string will be concatenated wi !! 602 depends on NEED_MULTIPLE_NODES
727 by a bootloader. <<
728 603
729 config CMDLINE_FROM_BOOTLOADER !! 604 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
730 bool "Use bootloader kernel arguments" !! 605 config ALPHA_LARGE_VMALLOC
>> 606 bool
731 help 607 help
732 Uses the command-line options passed !! 608 Process creation and other aspects of virtual memory management can
>> 609 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 610 allocations. This equates to about 8GB.
733 611
734 endchoice !! 612 Under normal circumstances, this is so far and above what is needed
>> 613 as to be laughable. However, there are certain applications (such
>> 614 as benchmark-grade in-kernel web serving) that can make use of as
>> 615 much vmalloc space as is available.
735 616
736 config CMDLINE !! 617 Say N unless you know you need gobs and gobs of vmalloc space.
737 string "Kernel command line arguments <<
738 depends on CMDLINE_OVERWRITE || CMDLIN <<
739 default "console=ttySC1,115200" <<
740 618
741 endmenu !! 619 config VERBOSE_MCHECK
>> 620 bool "Verbose Machine Checks"
742 621
743 menu "Bus options" !! 622 config VERBOSE_MCHECK_ON
>> 623 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 624 depends on VERBOSE_MCHECK
>> 625 default 1
>> 626 help
>> 627 This option allows the default printing mode to be set, and then
>> 628 possibly overridden by a boot command argument.
744 629
745 config MAPLE !! 630 For example, if one wanted the option of printing verbose
746 bool "Maple Bus support" !! 631 machine checks, but wanted the default to be as if verbose
747 depends on SH_DREAMCAST !! 632 machine check printing was turned off, then one would choose
748 help !! 633 the printing mode to be 0. Then, upon reboot, one could add
749 The Maple Bus is SEGA's serial commun !! 634 the boot command line "verbose_mcheck=1" to get the normal
750 on the Dreamcast. Without this bus su !! 635 verbose machine check printing, or "verbose_mcheck=2" to get
751 get your Dreamcast keyboard etc to wo !! 636 the maximum information available.
752 probably want to say 'Y' here, unless <<
753 Dreamcast with a serial line terminal <<
754 connection. <<
755 637
756 endmenu !! 638 Take the default (1) unless you want more control or more info.
757 639
758 menu "Power management options (EXPERIMENTAL)" !! 640 choice
>> 641 prompt "Timer interrupt frequency (HZ)?"
>> 642 default HZ_128 if ALPHA_QEMU
>> 643 default HZ_1200 if ALPHA_RAWHIDE
>> 644 default HZ_1024
>> 645 help
>> 646 The frequency at which timer interrupts occur. A high frequency
>> 647 minimizes latency, whereas a low frequency minimizes overhead of
>> 648 process accounting. The later effect is especially significant
>> 649 when being run under QEMU.
>> 650
>> 651 Note that some Alpha hardware cannot change the interrupt frequency
>> 652 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 653
>> 654 config HZ_32
>> 655 bool "32 Hz"
>> 656 config HZ_64
>> 657 bool "64 Hz"
>> 658 config HZ_128
>> 659 bool "128 Hz"
>> 660 config HZ_256
>> 661 bool "256 Hz"
>> 662 config HZ_1024
>> 663 bool "1024 Hz"
>> 664 config HZ_1200
>> 665 bool "1200 Hz"
>> 666 endchoice
759 667
760 source "kernel/power/Kconfig" !! 668 config HZ
>> 669 int
>> 670 default 32 if HZ_32
>> 671 default 64 if HZ_64
>> 672 default 128 if HZ_128
>> 673 default 256 if HZ_256
>> 674 default 1200 if HZ_1200
>> 675 default 1024
>> 676
>> 677 config SRM_ENV
>> 678 tristate "SRM environment through procfs"
>> 679 depends on PROC_FS
>> 680 help
>> 681 If you enable this option, a subdirectory inside /proc called
>> 682 /proc/srm_environment will give you access to the all important
>> 683 SRM environment variables (those which have a name) and also
>> 684 to all others (by their internal number).
>> 685
>> 686 SRM is something like a BIOS for Alpha machines. There are some
>> 687 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 688 support (hey, that's not SRM!).
>> 689
>> 690 Despite the fact that this driver doesn't work on all Alphas (but
>> 691 only on those which have SRM as their firmware), it's save to
>> 692 build it even if your particular machine doesn't know about SRM
>> 693 (or if you intend to compile a generic kernel). It will simply
>> 694 not create those subdirectory in /proc (and give you some warning,
>> 695 of course).
761 696
762 source "drivers/cpuidle/Kconfig" !! 697 This driver is also available as a module and will be called
>> 698 srm_env then.
763 699
764 endmenu 700 endmenu
>> 701
>> 702 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 703 # but we also need it if VGA_HOSE is set
>> 704 config DUMMY_CONSOLE
>> 705 bool
>> 706 depends on VGA_HOSE
>> 707 default y
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