1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 2 # For a description of the syntax of this configuration file,
>> 3 # see Documentation/kbuild/kconfig-language.txt.
4 # 4 #
>> 5 config M68K
>> 6 bool
>> 7 default y
>> 8 select HAVE_AOUT
>> 9 select HAVE_IDE
5 10
6 config ARC !! 11 config MMU
7 def_bool y !! 12 bool
8 select ARC_TIMERS !! 13 default y
9 select ARCH_HAS_CACHE_LINE_SIZE <<
10 select ARCH_HAS_DEBUG_VM_PGTABLE <<
11 select ARCH_HAS_DMA_PREP_COHERENT <<
12 select ARCH_HAS_PTE_SPECIAL <<
13 select ARCH_HAS_SETUP_DMA_OPS <<
14 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
15 select ARCH_HAS_SYNC_DMA_FOR_DEVICE <<
16 select ARCH_NEED_CMPXCHG_1_EMU <<
17 select ARCH_SUPPORTS_ATOMIC_RMW if ARC <<
18 select ARCH_32BIT_OFF_T <<
19 select BUILDTIME_TABLE_SORT <<
20 select CLONE_BACKWARDS <<
21 select COMMON_CLK <<
22 select DMA_DIRECT_REMAP <<
23 select GENERIC_ATOMIC64 if !ISA_ARCV2 <<
24 # for now, we don't need GENERIC_IRQ_P <<
25 select GENERIC_IRQ_SHOW <<
26 select GENERIC_PCI_IOMAP <<
27 select GENERIC_PENDING_IRQ if SMP <<
28 select GENERIC_SCHED_CLOCK <<
29 select GENERIC_SMP_IDLE_THREAD <<
30 select GENERIC_IOREMAP <<
31 select GENERIC_STRNCPY_FROM_USER if MM <<
32 select GENERIC_STRNLEN_USER if MMU <<
33 select HAVE_ARCH_KGDB <<
34 select HAVE_ARCH_TRACEHOOK <<
35 select HAVE_ARCH_TRANSPARENT_HUGEPAGE <<
36 select HAVE_DEBUG_STACKOVERFLOW <<
37 select HAVE_DEBUG_KMEMLEAK <<
38 select HAVE_IOREMAP_PROT <<
39 select HAVE_KERNEL_GZIP <<
40 select HAVE_KERNEL_LZMA <<
41 select HAVE_KPROBES <<
42 select HAVE_KRETPROBES <<
43 select HAVE_REGS_AND_STACK_ACCESS_API <<
44 select HAVE_MOD_ARCH_SPECIFIC <<
45 select HAVE_PERF_EVENTS <<
46 select HAVE_SYSCALL_TRACEPOINTS <<
47 select IRQ_DOMAIN <<
48 select LOCK_MM_AND_FIND_VMA <<
49 select MODULES_USE_ELF_RELA <<
50 select OF <<
51 select OF_EARLY_FLATTREE <<
52 select PCI_SYSCALL if PCI <<
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC <<
54 select TRACE_IRQFLAGS_SUPPORT <<
55 select HAVE_EBPF_JIT if ISA_ARCV2 <<
56 <<
57 config LOCKDEP_SUPPORT <<
58 def_bool y <<
59 14
60 config SCHED_OMIT_FRAME_POINTER !! 15 config RWSEM_GENERIC_SPINLOCK
61 def_bool y !! 16 bool
>> 17 default y
62 18
63 config GENERIC_CSUM !! 19 config RWSEM_XCHGADD_ALGORITHM
64 def_bool y !! 20 bool
65 21
66 config ARCH_FLATMEM_ENABLE !! 22 config ARCH_HAS_ILOG2_U32
67 def_bool y !! 23 bool
>> 24 default n
68 25
69 config MMU !! 26 config ARCH_HAS_ILOG2_U64
70 def_bool y !! 27 bool
>> 28 default n
71 29
72 config NO_IOPORT_MAP !! 30 config GENERIC_HWEIGHT
73 def_bool y !! 31 bool
>> 32 default y
74 33
75 config GENERIC_CALIBRATE_DELAY 34 config GENERIC_CALIBRATE_DELAY
76 def_bool y !! 35 bool
>> 36 default y
77 37
78 config GENERIC_HWEIGHT !! 38 config TIME_LOW_RES
79 def_bool y !! 39 bool
>> 40 default y
>> 41
>> 42 config GENERIC_IOMAP
>> 43 bool
>> 44 default y
>> 45
>> 46 config ARCH_MAY_HAVE_PC_FDC
>> 47 bool
>> 48 depends on BROKEN && (Q40 || SUN3X)
>> 49 default y
80 50
81 config STACKTRACE_SUPPORT !! 51 config NO_IOPORT
82 def_bool y 52 def_bool y
83 select STACKTRACE <<
84 53
85 menu "ARC Architecture Configuration" !! 54 config NO_DMA
>> 55 def_bool SUN3
86 56
87 menu "ARC Platform/SoC/Board" !! 57 config HZ
>> 58 int
>> 59 default 100
88 60
89 source "arch/arc/plat-tb10x/Kconfig" !! 61 config GENERIC_TIME
90 source "arch/arc/plat-axs10x/Kconfig" !! 62 def_bool y
91 source "arch/arc/plat-hsdk/Kconfig" <<
92 63
93 endmenu !! 64 config ARCH_USES_GETTIMEOFFSET
>> 65 def_bool y
94 66
95 choice !! 67 mainmenu "Linux/68k Kernel Configuration"
96 prompt "ARC Instruction Set" <<
97 default ISA_ARCV2 <<
98 68
99 config ISA_ARCOMPACT !! 69 source "init/Kconfig"
100 bool "ARCompact ISA" <<
101 select CPU_NO_EFFICIENT_FFS <<
102 help <<
103 The original ARC ISA of ARC600/700 c <<
104 70
105 config ISA_ARCV2 !! 71 source "kernel/Kconfig.freezer"
106 bool "ARC ISA v2" <<
107 select ARC_TIMERS_64BIT <<
108 help <<
109 ISA for the Next Generation ARC-HS c <<
110 72
111 endchoice !! 73 menu "Platform dependent setup"
112 74
113 menu "ARC CPU Configuration" !! 75 config EISA
>> 76 bool
>> 77 ---help---
>> 78 The Extended Industry Standard Architecture (EISA) bus was
>> 79 developed as an open alternative to the IBM MicroChannel bus.
>> 80
>> 81 The EISA bus provided some of the features of the IBM MicroChannel
>> 82 bus while maintaining backward compatibility with cards made for
>> 83 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 84 1995 when it was made obsolete by the PCI bus.
>> 85
>> 86 Say Y here if you are building a kernel for an EISA-based machine.
>> 87
>> 88 Otherwise, say N.
>> 89
>> 90 config MCA
>> 91 bool
>> 92 help
>> 93 MicroChannel Architecture is found in some IBM PS/2 machines and
>> 94 laptops. It is a bus system similar to PCI or ISA. See
>> 95 <file:Documentation/mca.txt> (and especially the web page given
>> 96 there) before attempting to build an MCA bus kernel.
>> 97
>> 98 config PCMCIA
>> 99 tristate
>> 100 ---help---
>> 101 Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
>> 102 computer. These are credit-card size devices such as network cards,
>> 103 modems or hard drives often used with laptops computers. There are
>> 104 actually two varieties of these cards: the older 16 bit PCMCIA cards
>> 105 and the newer 32 bit CardBus cards. If you want to use CardBus
>> 106 cards, you need to say Y here and also to "CardBus support" below.
>> 107
>> 108 To use your PC-cards, you will need supporting software from David
>> 109 Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
>> 110 for location). Please also read the PCMCIA-HOWTO, available from
>> 111 <http://www.tldp.org/docs.html#howto>.
>> 112
>> 113 To compile this driver as modules, choose M here: the
>> 114 modules will be called pcmcia_core and ds.
>> 115
>> 116 config AMIGA
>> 117 bool "Amiga support"
>> 118 select MMU_MOTOROLA if MMU
>> 119 help
>> 120 This option enables support for the Amiga series of computers. If
>> 121 you plan to use this kernel on an Amiga, say Y here and browse the
>> 122 material available in <file:Documentation/m68k>; otherwise say N.
>> 123
>> 124 config ATARI
>> 125 bool "Atari support"
>> 126 select MMU_MOTOROLA if MMU
>> 127 help
>> 128 This option enables support for the 68000-based Atari series of
>> 129 computers (including the TT, Falcon and Medusa). If you plan to use
>> 130 this kernel on an Atari, say Y here and browse the material
>> 131 available in <file:Documentation/m68k>; otherwise say N.
>> 132
>> 133 config MAC
>> 134 bool "Macintosh support"
>> 135 select MMU_MOTOROLA if MMU
>> 136 help
>> 137 This option enables support for the Apple Macintosh series of
>> 138 computers (yes, there is experimental support now, at least for part
>> 139 of the series).
>> 140
>> 141 Say N unless you're willing to code the remaining necessary support.
>> 142 ;)
>> 143
>> 144 config NUBUS
>> 145 bool
>> 146 depends on MAC
>> 147 default y
>> 148
>> 149 config M68K_L2_CACHE
>> 150 bool
>> 151 depends on MAC
>> 152 default y
>> 153
>> 154 config APOLLO
>> 155 bool "Apollo support"
>> 156 select MMU_MOTOROLA if MMU
>> 157 help
>> 158 Say Y here if you want to run Linux on an MC680x0-based Apollo
>> 159 Domain workstation such as the DN3500.
>> 160
>> 161 config VME
>> 162 bool "VME (Motorola and BVM) support"
>> 163 select MMU_MOTOROLA if MMU
>> 164 help
>> 165 Say Y here if you want to build a kernel for a 680x0 based VME
>> 166 board. Boards currently supported include Motorola boards MVME147,
>> 167 MVME162, MVME166, MVME167, MVME172, and MVME177. BVME4000 and
>> 168 BVME6000 boards from BVM Ltd are also supported.
>> 169
>> 170 config MVME147
>> 171 bool "MVME147 support"
>> 172 depends on VME
>> 173 help
>> 174 Say Y to include support for early Motorola VME boards. This will
>> 175 build a kernel which can run on MVME147 single-board computers. If
>> 176 you select this option you will have to select the appropriate
>> 177 drivers for SCSI, Ethernet and serial ports later on.
>> 178
>> 179 config MVME16x
>> 180 bool "MVME162, 166 and 167 support"
>> 181 depends on VME
>> 182 help
>> 183 Say Y to include support for Motorola VME boards. This will build a
>> 184 kernel which can run on MVME162, MVME166, MVME167, MVME172, and
>> 185 MVME177 boards. If you select this option you will have to select
>> 186 the appropriate drivers for SCSI, Ethernet and serial ports later
>> 187 on.
>> 188
>> 189 config BVME6000
>> 190 bool "BVME4000 and BVME6000 support"
>> 191 depends on VME
>> 192 help
>> 193 Say Y to include support for VME boards from BVM Ltd. This will
>> 194 build a kernel which can run on BVME4000 and BVME6000 boards. If
>> 195 you select this option you will have to select the appropriate
>> 196 drivers for SCSI, Ethernet and serial ports later on.
>> 197
>> 198 config HP300
>> 199 bool "HP9000/300 and HP9000/400 support"
>> 200 select MMU_MOTOROLA if MMU
>> 201 help
>> 202 This option enables support for the HP9000/300 and HP9000/400 series
>> 203 of workstations. Support for these machines is still somewhat
>> 204 experimental. If you plan to try to use the kernel on such a machine
>> 205 say Y here.
>> 206 Everybody else says N.
>> 207
>> 208 config DIO
>> 209 bool "DIO bus support"
>> 210 depends on HP300
>> 211 default y
>> 212 help
>> 213 Say Y here to enable support for the "DIO" expansion bus used in
>> 214 HP300 machines. If you are using such a system you almost certainly
>> 215 want this.
>> 216
>> 217 config SUN3X
>> 218 bool "Sun3x support"
>> 219 select MMU_MOTOROLA if MMU
>> 220 select M68030
>> 221 help
>> 222 This option enables support for the Sun 3x series of workstations.
>> 223 Be warned that this support is very experimental.
>> 224 Note that Sun 3x kernels are not compatible with Sun 3 hardware.
>> 225 General Linux information on the Sun 3x series (now discontinued)
>> 226 is at <http://www.angelfire.com/ca2/tech68k/sun3.html>.
>> 227
>> 228 If you don't want to compile a kernel for a Sun 3x, say N.
>> 229
>> 230 config Q40
>> 231 bool "Q40/Q60 support"
>> 232 select MMU_MOTOROLA if MMU
>> 233 help
>> 234 The Q40 is a Motorola 68040-based successor to the Sinclair QL
>> 235 manufactured in Germany. There is an official Q40 home page at
>> 236 <http://www.q40.de/>. This option enables support for the Q40 and
>> 237 Q60. Select your CPU below. For 68LC060 don't forget to enable FPU
>> 238 emulation.
>> 239
>> 240 config SUN3
>> 241 bool "Sun3 support"
>> 242 depends on !MMU_MOTOROLA
>> 243 select MMU_SUN3 if MMU
>> 244 select M68020
>> 245 help
>> 246 This option enables support for the Sun 3 series of workstations
>> 247 (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires
>> 248 that all other hardware types must be disabled, as Sun 3 kernels
>> 249 are incompatible with all other m68k targets (including Sun 3x!).
>> 250
>> 251 If you don't want to compile a kernel exclusively for a Sun 3, say N.
>> 252
>> 253 comment "Processor type"
>> 254
>> 255 config M68020
>> 256 bool "68020 support"
>> 257 help
>> 258 If you anticipate running this kernel on a computer with a MC68020
>> 259 processor, say Y. Otherwise, say N. Note that the 68020 requires a
>> 260 68851 MMU (Memory Management Unit) to run Linux/m68k, except on the
>> 261 Sun 3, which provides its own version.
>> 262
>> 263 config M68030
>> 264 bool "68030 support"
>> 265 depends on !MMU_SUN3
>> 266 help
>> 267 If you anticipate running this kernel on a computer with a MC68030
>> 268 processor, say Y. Otherwise, say N. Note that a MC68EC030 will not
>> 269 work, as it does not include an MMU (Memory Management Unit).
>> 270
>> 271 config M68040
>> 272 bool "68040 support"
>> 273 depends on !MMU_SUN3
>> 274 help
>> 275 If you anticipate running this kernel on a computer with a MC68LC040
>> 276 or MC68040 processor, say Y. Otherwise, say N. Note that an
>> 277 MC68EC040 will not work, as it does not include an MMU (Memory
>> 278 Management Unit).
>> 279
>> 280 config M68060
>> 281 bool "68060 support"
>> 282 depends on !MMU_SUN3
>> 283 help
>> 284 If you anticipate running this kernel on a computer with a MC68060
>> 285 processor, say Y. Otherwise, say N.
>> 286
>> 287 config MMU_MOTOROLA
>> 288 bool
>> 289
>> 290 config MMU_SUN3
>> 291 bool
>> 292 depends on MMU && !MMU_MOTOROLA
>> 293
>> 294 config M68KFPU_EMU
>> 295 bool "Math emulation support (EXPERIMENTAL)"
>> 296 depends on EXPERIMENTAL
>> 297 help
>> 298 At some point in the future, this will cause floating-point math
>> 299 instructions to be emulated by the kernel on machines that lack a
>> 300 floating-point math coprocessor. Thrill-seekers and chronically
>> 301 sleep-deprived psychotic hacker types can say Y now, everyone else
>> 302 should probably wait a while.
>> 303
>> 304 config M68KFPU_EMU_EXTRAPREC
>> 305 bool "Math emulation extra precision"
>> 306 depends on M68KFPU_EMU
>> 307 help
>> 308 The fpu uses normally a few bit more during calculations for
>> 309 correct rounding, the emulator can (often) do the same but this
>> 310 extra calculation can cost quite some time, so you can disable
>> 311 it here. The emulator will then "only" calculate with a 64 bit
>> 312 mantissa and round slightly incorrect, what is more than enough
>> 313 for normal usage.
>> 314
>> 315 config M68KFPU_EMU_ONLY
>> 316 bool "Math emulation only kernel"
>> 317 depends on M68KFPU_EMU
>> 318 help
>> 319 This option prevents any floating-point instructions from being
>> 320 compiled into the kernel, thereby the kernel doesn't save any
>> 321 floating point context anymore during task switches, so this
>> 322 kernel will only be usable on machines without a floating-point
>> 323 math coprocessor. This makes the kernel a bit faster as no tests
>> 324 needs to be executed whether a floating-point instruction in the
>> 325 kernel should be executed or not.
>> 326
>> 327 config ADVANCED
>> 328 bool "Advanced configuration options"
>> 329 ---help---
>> 330 This gives you access to some advanced options for the CPU. The
>> 331 defaults should be fine for most users, but these options may make
>> 332 it possible for you to improve performance somewhat if you know what
>> 333 you are doing.
>> 334
>> 335 Note that the answer to this question won't directly affect the
>> 336 kernel: saying N will just cause the configurator to skip all
>> 337 the questions about these options.
>> 338
>> 339 Most users should say N to this question.
>> 340
>> 341 config RMW_INSNS
>> 342 bool "Use read-modify-write instructions"
>> 343 depends on ADVANCED
>> 344 ---help---
>> 345 This allows to use certain instructions that work with indivisible
>> 346 read-modify-write bus cycles. While this is faster than the
>> 347 workaround of disabling interrupts, it can conflict with DMA
>> 348 ( = direct memory access) on many Amiga systems, and it is also said
>> 349 to destabilize other machines. It is very likely that this will
>> 350 cause serious problems on any Amiga or Atari Medusa if set. The only
>> 351 configuration where it should work are 68030-based Ataris, where it
>> 352 apparently improves performance. But you've been warned! Unless you
>> 353 really know what you are doing, say N. Try Y only if you're quite
>> 354 adventurous.
>> 355
>> 356 config SINGLE_MEMORY_CHUNK
>> 357 bool "Use one physical chunk of memory only" if ADVANCED && !SUN3
>> 358 default y if SUN3
>> 359 select NEED_MULTIPLE_NODES
>> 360 help
>> 361 Ignore all but the first contiguous chunk of physical memory for VM
>> 362 purposes. This will save a few bytes kernel size and may speed up
>> 363 some operations. Say N if not sure.
>> 364
>> 365 config 060_WRITETHROUGH
>> 366 bool "Use write-through caching for 68060 supervisor accesses"
>> 367 depends on ADVANCED && M68060
>> 368 ---help---
>> 369 The 68060 generally uses copyback caching of recently accessed data.
>> 370 Copyback caching means that memory writes will be held in an on-chip
>> 371 cache and only written back to memory some time later. Saying Y
>> 372 here will force supervisor (kernel) accesses to use writethrough
>> 373 caching. Writethrough caching means that data is written to memory
>> 374 straight away, so that cache and memory data always agree.
>> 375 Writethrough caching is less efficient, but is needed for some
>> 376 drivers on 68060 based systems where the 68060 bus snooping signal
>> 377 is hardwired on. The 53c710 SCSI driver is known to suffer from
>> 378 this problem.
>> 379
>> 380 config ARCH_DISCONTIGMEM_ENABLE
>> 381 def_bool !SINGLE_MEMORY_CHUNK
>> 382
>> 383 config NODES_SHIFT
>> 384 int
>> 385 default "3"
>> 386 depends on !SINGLE_MEMORY_CHUNK
114 387
115 choice !! 388 source "mm/Kconfig"
116 prompt "ARC Core" <<
117 default ARC_CPU_770 if ISA_ARCOMPACT <<
118 default ARC_CPU_HS if ISA_ARCV2 <<
119 389
120 config ARC_CPU_770 !! 390 endmenu
121 bool "ARC770" <<
122 depends on ISA_ARCOMPACT <<
123 select ARC_HAS_SWAPE <<
124 help <<
125 Support for ARC770 core introduced w <<
126 This core has a bunch of cool new fe <<
127 -MMU-v3: Variable Page Sz (4k, 8k, 1 <<
128 Shared Address Spaces (for <<
129 -Caches: New Prog Model, Region Flus <<
130 -Insns: endian swap, load-locked/sto <<
131 391
132 config ARC_CPU_HS !! 392 menu "General setup"
133 bool "ARC-HS" <<
134 depends on ISA_ARCV2 <<
135 help <<
136 Support for ARC HS38x Cores based on <<
137 The notable features are: <<
138 - SMP configurations of up to 4 co <<
139 - Optional L2 Cache and IO-Coheren <<
140 - Revised Interrupt Architecture ( <<
141 auto stack switch, auto regfil <<
142 - MMUv4 (PIPT dcache, Huge Pages) <<
143 - Instructions for <<
144 * 64bit load/store: LDD, STD <<
145 * Hardware assisted divide/rem <<
146 * Function prologue/epilogue: <<
147 * IRQ enable/disable: CLRI, SE <<
148 * pop count: FFS, FLS <<
149 * SETcc, BMSKN, XBFU... <<
150 393
151 endchoice !! 394 source "fs/Kconfig.binfmt"
152 395
153 config ARC_TUNE_MCPU !! 396 config ZORRO
154 string "Override default -mcpu compile !! 397 bool "Amiga Zorro (AutoConfig) bus support"
155 default "" !! 398 depends on AMIGA
156 help 399 help
157 Override default -mcpu=xxx compiler !! 400 This enables support for the Zorro bus in the Amiga. If you have
158 the ISA version) with the specified !! 401 expansion cards in your Amiga that conform to the Amiga
159 NOTE: If specified flag isn't suppor !! 402 AutoConfig(tm) specification, say Y, otherwise N. Note that even
160 ISA default value will be used as a !! 403 expansion cards that do not fit in the Zorro slots but fit in e.g.
>> 404 the CPU slot may fall in this category, so you have to say Y to let
>> 405 Linux use these.
161 406
162 config CPU_BIG_ENDIAN !! 407 config AMIGA_PCMCIA
163 bool "Enable Big Endian Mode" !! 408 bool "Amiga 1200/600 PCMCIA support (EXPERIMENTAL)"
>> 409 depends on AMIGA && EXPERIMENTAL
164 help 410 help
165 Build kernel for Big Endian Mode of !! 411 Include support in the kernel for pcmcia on Amiga 1200 and Amiga
>> 412 600. If you intend to use pcmcia cards say Y; otherwise say N.
166 413
167 config SMP !! 414 config STRAM_PROC
168 bool "Symmetric Multi-Processing" !! 415 bool "ST-RAM statistics in /proc"
169 select ARC_MCIP if ISA_ARCV2 !! 416 depends on ATARI
170 help 417 help
171 This enables support for systems wit !! 418 Say Y here to report ST-RAM usage statistics in /proc/stram.
172 <<
173 if SMP <<
174 419
175 config NR_CPUS !! 420 config HEARTBEAT
176 int "Maximum number of CPUs (2-4096)" !! 421 bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || MAC ||Q40
177 range 2 4096 !! 422 default y if !AMIGA && !APOLLO && !ATARI && !MAC && !Q40 && HP300
178 default "4" <<
179 <<
180 config ARC_SMP_HALT_ON_RESET <<
181 bool "Enable Halt-on-reset boot mode" <<
182 help 423 help
183 In SMP configuration cores can be co !! 424 Use the power-on LED on your machine as a load meter. The exact
184 or they could all start at same time !! 425 behavior is platform-dependent, but normally the flash frequency is
185 masters are parked until Master kick !! 426 a hyperbolic function of the 5-minute load average.
186 at designated entry point. For other <<
187 entry point and spin wait for Master <<
188 <<
189 endif #SMP <<
190 427
191 config ARC_MCIP !! 428 # We have a dedicated heartbeat LED. :-)
192 bool "ARConnect Multicore IP (MCIP) Su !! 429 config PROC_HARDWARE
193 depends on ISA_ARCV2 !! 430 bool "/proc/hardware support"
194 default y if SMP <<
195 help 431 help
196 This IP block enables SMP in ARC-HS3 !! 432 Say Y here to support the /proc/hardware file, which gives you
197 It provides for cross-core interrupt !! 433 access to information about the machine you're running on,
198 hardware semaphores, shared memory,. !! 434 including the model, CPU, MMU, clock speed, BogoMIPS rating,
>> 435 and memory size.
199 436
200 menuconfig ARC_CACHE !! 437 config ISA
201 bool "Enable Cache Support" !! 438 bool
>> 439 depends on Q40 || AMIGA_PCMCIA || GG2
202 default y 440 default y
203 <<
204 if ARC_CACHE <<
205 <<
206 config ARC_CACHE_LINE_SHIFT <<
207 int "Cache Line Length (as power of 2) <<
208 range 5 7 <<
209 default "6" <<
210 help 441 help
211 Starting with ARC700 4.9, Cache line !! 442 Find out whether you have ISA slots on your motherboard. ISA is the
212 This option specifies "N", with Line !! 443 name of a bus system, i.e. the way the CPU talks to the other stuff
213 So line lengths of 32, 64, 128 are s !! 444 inside your box. Other bus systems are PCI, EISA, MicroChannel
214 Linux only supports same line length !! 445 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 446 newer boards don't support it. If you have ISA, say Y, otherwise N.
215 447
216 config ARC_HAS_ICACHE !! 448 config GENERIC_ISA_DMA
217 bool "Use Instruction Cache" !! 449 bool
>> 450 depends on Q40 || AMIGA_PCMCIA || GG2
218 default y 451 default y
219 452
220 config ARC_HAS_DCACHE !! 453 config ZONE_DMA
221 bool "Use Data Cache" !! 454 bool
222 default y 455 default y
223 456
224 config ARC_CACHE_PAGES !! 457 source "drivers/pci/Kconfig"
225 bool "Per Page Cache Control" <<
226 default y <<
227 depends on ARC_HAS_ICACHE || ARC_HAS_D <<
228 help <<
229 This can be used to over-ride the gl <<
230 per-page basis (but only for pages a <<
231 Kernel Virtual address or User Virtu <<
232 TLB entries have a per-page Cache En <<
233 Note that Global I/D ENABLE + Per Pa <<
234 Global DISABLE + Per Page ENABLE won <<
235 <<
236 endif #ARC_CACHE <<
237 <<
238 config ARC_HAS_ICCM <<
239 bool "Use ICCM" <<
240 help <<
241 Single Cycle RAMS to store Fast Path <<
242 <<
243 config ARC_ICCM_SZ <<
244 int "ICCM Size in KB" <<
245 default "64" <<
246 depends on ARC_HAS_ICCM <<
247 <<
248 config ARC_HAS_DCCM <<
249 bool "Use DCCM" <<
250 help <<
251 Single Cycle RAMS to store Fast Path <<
252 458
253 config ARC_DCCM_SZ !! 459 source "drivers/zorro/Kconfig"
254 int "DCCM Size in KB" <<
255 default "64" <<
256 depends on ARC_HAS_DCCM <<
257 460
258 config ARC_DCCM_BASE !! 461 endmenu
259 hex "DCCM map address" <<
260 default "0xA0000000" <<
261 depends on ARC_HAS_DCCM <<
262 462
263 choice !! 463 source "net/Kconfig"
264 prompt "MMU Version" <<
265 default ARC_MMU_V3 if ISA_ARCOMPACT <<
266 default ARC_MMU_V4 if ISA_ARCV2 <<
267 464
268 config ARC_MMU_V3 !! 465 source "drivers/Kconfig"
269 bool "MMU v3" <<
270 depends on ISA_ARCOMPACT <<
271 help <<
272 Introduced with ARC700 4.10: New Fea <<
273 Variable Page size (1k-16k), var JTL <<
274 Shared Address Spaces (SASID) <<
275 466
276 config ARC_MMU_V4 !! 467 menu "Character devices"
277 bool "MMU v4" <<
278 depends on ISA_ARCV2 <<
279 468
280 endchoice !! 469 config ATARI_MFPSER
>> 470 tristate "Atari MFP serial support"
>> 471 depends on ATARI
>> 472 ---help---
>> 473 If you like to use the MFP serial ports ("Modem1", "Serial1") under
>> 474 Linux, say Y. The driver equally supports all kinds of MFP serial
>> 475 ports and automatically detects whether Serial1 is available.
281 476
>> 477 To compile this driver as a module, choose M here.
282 478
283 choice !! 479 Note for Falcon users: You also have an MFP port, it's just not
284 prompt "MMU Page Size" !! 480 wired to the outside... But you could use the port under Linux.
285 default ARC_PAGE_SIZE_8K <<
286 481
287 config ARC_PAGE_SIZE_8K !! 482 config ATARI_MIDI
288 bool "8KB" !! 483 tristate "Atari MIDI serial support"
289 select HAVE_PAGE_SIZE_8KB !! 484 depends on ATARI
290 help 485 help
291 Choose between 8k vs 16k !! 486 If you want to use your Atari's MIDI port in Linux, say Y.
292 <<
293 config ARC_PAGE_SIZE_16K <<
294 select HAVE_PAGE_SIZE_16KB <<
295 bool "16KB" <<
296 <<
297 config ARC_PAGE_SIZE_4K <<
298 bool "4KB" <<
299 select HAVE_PAGE_SIZE_4KB <<
300 depends on ARC_MMU_V3 || ARC_MMU_V4 <<
301 <<
302 endchoice <<
303 487
304 choice !! 488 To compile this driver as a module, choose M here.
305 prompt "MMU Super Page Size" <<
306 depends on ISA_ARCV2 && TRANSPARENT_HU <<
307 default ARC_HUGEPAGE_2M <<
308 489
309 config ARC_HUGEPAGE_2M !! 490 config ATARI_DSP56K
310 bool "2MB" !! 491 tristate "Atari DSP56k support (EXPERIMENTAL)"
311 !! 492 depends on ATARI && EXPERIMENTAL
312 config ARC_HUGEPAGE_16M !! 493 help
313 bool "16MB" !! 494 If you want to be able to use the DSP56001 in Falcons, say Y. This
314 !! 495 driver is still experimental, and if you don't know what it is, or
315 endchoice !! 496 if you don't have this processor, just say N.
316 <<
317 config PGTABLE_LEVELS <<
318 int "Number of Page table levels" <<
319 default 2 <<
320 497
321 config ARC_COMPACT_IRQ_LEVELS !! 498 To compile this driver as a module, choose M here.
322 depends on ISA_ARCOMPACT <<
323 bool "Setup Timer IRQ as high Priority <<
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 499
327 config ARC_FPU_SAVE_RESTORE !! 500 config AMIGA_BUILTIN_SERIAL
328 bool "Enable FPU state persistence acr !! 501 tristate "Amiga builtin serial support"
>> 502 depends on AMIGA
329 help 503 help
330 ARCompact FPU has internal registers !! 504 If you want to use your Amiga's built-in serial port in Linux,
331 Floating Point operations. There are !! 505 answer Y.
332 for floating point exceptions and ro <<
333 preserved across task context switch <<
334 506
335 config ARC_CANT_LLSC !! 507 To compile this driver as a module, choose M here.
336 def_bool n <<
337 508
338 config ARC_HAS_LLSC !! 509 config MULTIFACE_III_TTY
339 bool "Insn: LLOCK/SCOND (efficient ato !! 510 tristate "Multiface Card III serial support"
340 default y !! 511 depends on AMIGA
341 depends on !ARC_CANT_LLSC !! 512 help
342 !! 513 If you want to use a Multiface III card's serial port in Linux,
343 config ARC_HAS_SWAPE !! 514 answer Y.
344 bool "Insn: SWAPE (endian-swap)" <<
345 default y <<
346 515
347 if ISA_ARCV2 !! 516 To compile this driver as a module, choose M here.
348 517
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 518 config GVPIOEXT
350 bool "Enable unaligned access in HW" !! 519 tristate "GVP IO-Extender support"
351 default y !! 520 depends on PARPORT=n && ZORRO
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS <<
353 help 521 help
354 The ARC HS architecture supports una !! 522 If you want to use a GVP IO-Extender serial card in Linux, say Y.
355 which is disabled by default. Enable !! 523 Otherwise, say N.
356 hardware and use software to use it <<
357 524
358 config ARC_HAS_LL64 !! 525 config GVPIOEXT_LP
359 bool "Insn: 64bit LDD/STD" !! 526 tristate "GVP IO-Extender parallel printer support"
>> 527 depends on GVPIOEXT
360 help 528 help
361 Enable gcc to generate 64-bit load/s !! 529 Say Y to enable driving a printer from the parallel port on your
362 ISA mandates even/odd registers to a !! 530 GVP IO-Extender card, N otherwise.
363 dest operands with 2 possible source <<
364 default y <<
365 531
366 config ARC_HAS_DIV_REM !! 532 config GVPIOEXT_PLIP
367 bool "Insn: div, divu, rem, remu" !! 533 tristate "GVP IO-Extender PLIP support"
368 default y !! 534 depends on GVPIOEXT
369 <<
370 config ARC_HAS_ACCL_REGS <<
371 bool "Reg Pair ACCL:ACCH (FPU and/or M <<
372 default y <<
373 help 535 help
374 Depending on the configuration, CPU !! 536 Say Y to enable doing IP over the parallel port on your GVP
375 (also referred to as r58:r59). These !! 537 IO-Extender card, N otherwise.
376 kernel needs to save/restore per pro <<
377 538
378 config ARC_DSP_HANDLED !! 539 config MAC_SCC
379 def_bool n !! 540 tristate "Macintosh serial support"
>> 541 depends on MAC
380 542
381 config ARC_DSP_SAVE_RESTORE_REGS !! 543 config MAC_HID
382 def_bool n !! 544 bool
>> 545 depends on INPUT_ADBHID
>> 546 default y
383 547
384 choice !! 548 config HPDCA
385 prompt "DSP support" !! 549 tristate "HP DCA serial support"
386 default ARC_DSP_NONE !! 550 depends on DIO && SERIAL_8250
387 help 551 help
388 Depending on the configuration, CPU !! 552 If you want to use the internal "DCA" serial ports on an HP300
389 (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_ !! 553 machine, say Y here.
390 Below are options describing how to <<
391 interrupt entry / exit and in contex <<
392 554
393 config ARC_DSP_NONE !! 555 config HPAPCI
394 bool "No DSP extension presence in HW" !! 556 tristate "HP APCI serial support"
>> 557 depends on HP300 && SERIAL_8250 && EXPERIMENTAL
395 help 558 help
396 No DSP extension presence in HW !! 559 If you want to use the internal "APCI" serial ports on an HP400
>> 560 machine, say Y here.
397 561
398 config ARC_DSP_KERNEL !! 562 config MVME147_SCC
399 bool "DSP extension in HW, no support !! 563 bool "SCC support for MVME147 serial ports"
400 select ARC_HAS_ACCL_REGS !! 564 depends on MVME147 && BROKEN
401 select ARC_DSP_HANDLED <<
402 help 565 help
403 DSP extension presence in HW, no sup !! 566 This is the driver for the serial ports on the Motorola MVME147
404 applications. We don't save / restor !! 567 boards. Everyone using one of these boards should say Y here.
405 some minimal preparations so userspa <<
406 568
407 config ARC_DSP_USERSPACE !! 569 config SERIAL167
408 bool "Support DSP for userspace apps" !! 570 bool "CD2401 support for MVME166/7 serial ports"
409 select ARC_HAS_ACCL_REGS !! 571 depends on MVME16x
410 select ARC_DSP_HANDLED <<
411 select ARC_DSP_SAVE_RESTORE_REGS <<
412 help 572 help
413 DSP extension presence in HW, suppor !! 573 This is the driver for the serial ports on the Motorola MVME166,
414 run DSP-enabled userspace applicatio !! 574 167, and 172 boards. Everyone using one of these boards should say
>> 575 Y here.
415 576
416 config ARC_DSP_AGU_USERSPACE !! 577 config MVME162_SCC
417 bool "Support DSP with AGU for userspa !! 578 bool "SCC support for MVME162 serial ports"
418 select ARC_HAS_ACCL_REGS !! 579 depends on MVME16x && BROKEN
419 select ARC_DSP_HANDLED <<
420 select ARC_DSP_SAVE_RESTORE_REGS <<
421 help 580 help
422 DSP and AGU extensions presence in H !! 581 This is the driver for the serial ports on the Motorola MVME162 and
423 and AGU registers to run DSP-enabled !! 582 172 boards. Everyone using one of these boards should say Y here.
424 endchoice <<
425 583
426 config ARC_IRQ_NO_AUTOSAVE !! 584 config BVME6000_SCC
427 bool "Disable hardware autosave regfil !! 585 bool "SCC support for BVME6000 serial ports"
428 default n !! 586 depends on BVME6000 && BROKEN
429 help 587 help
430 On HS cores, taken interrupt auto sa !! 588 This is the driver for the serial ports on the BVME4000 and BVME6000
431 This is programmable and can be opti !! 589 boards from BVM Ltd. Everyone using one of these boards should say
432 software INTERRUPT_PROLOGUE/EPILGUE !! 590 Y here.
433 <<
434 config ARC_LPB_DISABLE <<
435 bool "Disable loop buffer (LPB)" <<
436 help <<
437 On HS cores, loop buffer (LPB) is pr <<
438 be optionally disabled. <<
439 <<
440 endif # ISA_ARCV2 <<
441 <<
442 endmenu # "ARC CPU Configuration" <<
443 <<
444 config LINUX_LINK_BASE <<
445 hex "Kernel link address" <<
446 default "0x80000000" <<
447 help <<
448 ARC700 divides the 32 bit phy addres <<
449 -Lower 2G (0 - 0x7FFF_FFFF ) is user <<
450 -Upper 2G (0x8000_0000 onwards) is u <<
451 Typically Linux kernel is linked at <<
452 hence the default value of 0x8zs. <<
453 However some customers have peripher <<
454 Linux needs to be scooted a bit. <<
455 If you don't know what the above mea <<
456 This needs to match memory start add <<
457 <<
458 config LINUX_RAM_BASE <<
459 hex "RAM base address" <<
460 default LINUX_LINK_BASE <<
461 help <<
462 By default Linux is linked at base o <<
463 cases (such as HSDK), Linux can't be <<
464 this option. <<
465 <<
466 config HIGHMEM <<
467 bool "High Memory Support" <<
468 select HAVE_ARCH_PFN_VALID <<
469 select KMAP_LOCAL <<
470 help <<
471 With ARC 2G:2G address split, only u <<
472 kernel. Enable this to potentially a <<
473 in future <<
474 <<
475 config ARC_HAS_PAE40 <<
476 bool "Support for the 40-bit Physical <<
477 depends on ISA_ARCV2 <<
478 select HIGHMEM <<
479 select PHYS_ADDR_T_64BIT <<
480 help <<
481 Enable access to physical memory bey <<
482 ARC cores with 40 bit Physical Addre <<
483 <<
484 config ARC_KVADDR_SIZE <<
485 int "Kernel Virtual Address Space size <<
486 range 0 512 <<
487 default "256" <<
488 help <<
489 The kernel address space is carved o <<
490 space for catering to vmalloc, modul <<
491 not suffice vmalloc requirements of <<
492 this to be stretched to 512 MB (by e <<
493 kernel-user gutter) <<
494 <<
495 config ARC_CURR_IN_REG <<
496 bool "cache current task pointer in gp <<
497 default y <<
498 help <<
499 This reserves gp register to point t <<
500 kernel mode eliding memory access fo <<
501 <<
502 <<
503 config ARC_EMUL_UNALIGNED <<
504 bool "Emulate unaligned memory access <<
505 select SYSCTL_ARCH_UNALIGN_NO_WARN <<
506 select SYSCTL_ARCH_UNALIGN_ALLOW <<
507 depends on ISA_ARCOMPACT <<
508 help <<
509 This enables misaligned 16 & 32 bit <<
510 Use ONLY-IF-ABS-NECESSARY as it will <<
511 potential bugs in code <<
512 591
513 config HZ !! 592 config DN_SERIAL
514 int "Timer Frequency" !! 593 bool "Support for DN serial port (dummy)"
515 default 100 !! 594 depends on APOLLO
516 595
517 config ARC_METAWARE_HLINK !! 596 config SERIAL_CONSOLE
518 bool "Support for Metaware debugger as !! 597 bool "Support for serial port console"
519 help !! 598 depends on (AMIGA || ATARI || MAC || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || MAC_SCC=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL)
520 This options allows a Linux userland !! 599 ---help---
521 host file system (open/creat/read/wr !! 600 If you say Y here, it will be possible to use a serial port as the
522 Metaware Debugger. This can come in !! 601 system console (the system console is the device which receives all
523 when there is no real usable periphe !! 602 kernel messages and warnings and which allows logins in single user
>> 603 mode). This could be useful if some terminal or printer is connected
>> 604 to that serial port.
524 605
525 menuconfig ARC_DBG !! 606 Even if you say Y here, the currently visible virtual console
526 bool "ARC debugging" !! 607 (/dev/tty0) will still be used as the system console by default, but
527 default y !! 608 you can alter that using a kernel command line option such as
>> 609 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 610 your boot loader (lilo or loadlin) about how to pass options to the
>> 611 kernel at boot time.)
528 612
529 if ARC_DBG !! 613 If you don't have a VGA card installed and you say Y here, the
>> 614 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 615 system console.
530 616
531 config ARC_DW2_UNWIND !! 617 If unsure, say N.
532 bool "Enable DWARF specific kernel sta <<
533 default y <<
534 select KALLSYMS <<
535 help <<
536 Compiles the kernel with DWARF unwin <<
537 to get stack backtraces. <<
538 618
539 If you say Y here the resulting kern !! 619 endmenu
540 but not slower, and it will give ver <<
541 If you don't debug the kernel, you c <<
542 to solve problems without frame unwi <<
543 620
544 config ARC_DBG_JUMP_LABEL !! 621 source "fs/Kconfig"
545 bool "Paranoid checks in Static Keys ( <<
546 depends on JUMP_LABEL <<
547 default y if STATIC_KEYS_SELFTEST <<
548 help <<
549 Enable paranoid checks and self-test <<
550 part of static keys (jump labels) re <<
551 endif <<
552 622
553 config ARC_BUILTIN_DTB_NAME !! 623 source "arch/m68k/Kconfig.debug"
554 string "Built in DTB" <<
555 help <<
556 Set the name of the DTB to embed in <<
557 Leaving it blank selects the "nsim_7 <<
558 624
559 endmenu # "ARC Architecture Configuration" !! 625 source "security/Kconfig"
560 626
561 config ARCH_FORCE_MAX_ORDER !! 627 source "crypto/Kconfig"
562 int "Maximum zone order" <<
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 628
566 source "kernel/power/Kconfig" !! 629 source "lib/Kconfig"
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