1 # SPDX-License-Identifier: GPL-2.0-only !! 1 config ALPHA
2 # !! 2 bool
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 3 default y
4 # !! 4 select HAVE_AOUT
5 !! 5 select HAVE_IDE
6 config ARC !! 6 select HAVE_OPROFILE
7 def_bool y !! 7 select HAVE_PCSPKR_PLATFORM
8 select ARC_TIMERS !! 8 select HAVE_PERF_EVENTS
9 select ARCH_HAS_CACHE_LINE_SIZE !! 9 select HAVE_DMA_ATTRS
10 select ARCH_HAS_DEBUG_VM_PGTABLE !! 10 select HAVE_GENERIC_HARDIRQS
11 select ARCH_HAS_DMA_PREP_COHERENT !! 11 select VIRT_TO_BUS
12 select ARCH_HAS_PTE_SPECIAL !! 12 select GENERIC_IRQ_PROBE
13 select ARCH_HAS_SETUP_DMA_OPS !! 13 select AUTO_IRQ_AFFINITY if SMP
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 14 select GENERIC_IRQ_SHOW
26 select GENERIC_PCI_IOMAP !! 15 select ARCH_WANT_OPTIONAL_GPIOLIB
27 select GENERIC_PENDING_IRQ if SMP !! 16 select ARCH_WANT_IPC_PARSE_VERSION
28 select GENERIC_SCHED_CLOCK !! 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG
29 select GENERIC_SMP_IDLE_THREAD 18 select GENERIC_SMP_IDLE_THREAD
30 select GENERIC_IOREMAP !! 19 select GENERIC_CMOS_UPDATE
31 select GENERIC_STRNCPY_FROM_USER if MM !! 20 select GENERIC_STRNCPY_FROM_USER
32 select GENERIC_STRNLEN_USER if MMU !! 21 select GENERIC_STRNLEN_USER
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 22 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 23 select MODULES_USE_ELF_RELA
50 select OF !! 24 select ODD_RT_SIGACTION
51 select OF_EARLY_FLATTREE !! 25 select OLD_SIGSUSPEND
52 select PCI_SYSCALL if PCI !! 26 help
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC !! 27 The Alpha is a 64-bit general-purpose processor designed and
54 select TRACE_IRQFLAGS_SUPPORT !! 28 marketed by the Digital Equipment Corporation of blessed memory,
55 select HAVE_EBPF_JIT if ISA_ARCV2 !! 29 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 30 <http://www.alphalinux.org/>.
56 31
57 config LOCKDEP_SUPPORT !! 32 config 64BIT
58 def_bool y 33 def_bool y
59 34
60 config SCHED_OMIT_FRAME_POINTER !! 35 config MMU
61 def_bool y !! 36 bool
>> 37 default y
62 38
63 config GENERIC_CSUM !! 39 config RWSEM_GENERIC_SPINLOCK
64 def_bool y !! 40 bool
65 41
66 config ARCH_FLATMEM_ENABLE !! 42 config RWSEM_XCHGADD_ALGORITHM
67 def_bool y !! 43 bool
>> 44 default y
68 45
69 config MMU !! 46 config ARCH_HAS_ILOG2_U32
70 def_bool y !! 47 bool
>> 48 default n
71 49
72 config NO_IOPORT_MAP !! 50 config ARCH_HAS_ILOG2_U64
73 def_bool y !! 51 bool
>> 52 default n
74 53
75 config GENERIC_CALIBRATE_DELAY 54 config GENERIC_CALIBRATE_DELAY
76 def_bool y !! 55 bool
>> 56 default y
77 57
78 config GENERIC_HWEIGHT !! 58 config ZONE_DMA
>> 59 bool
>> 60 default y
>> 61
>> 62 config ARCH_DMA_ADDR_T_64BIT
79 def_bool y 63 def_bool y
80 64
81 config STACKTRACE_SUPPORT !! 65 config NEED_DMA_MAP_STATE
>> 66 def_bool y
>> 67
>> 68 config NEED_SG_DMA_LENGTH
82 def_bool y 69 def_bool y
83 select STACKTRACE <<
84 70
85 menu "ARC Architecture Configuration" !! 71 config GENERIC_ISA_DMA
>> 72 bool
>> 73 default y
86 74
87 menu "ARC Platform/SoC/Board" !! 75 source "init/Kconfig"
>> 76 source "kernel/Kconfig.freezer"
88 77
89 source "arch/arc/plat-tb10x/Kconfig" <<
90 source "arch/arc/plat-axs10x/Kconfig" <<
91 source "arch/arc/plat-hsdk/Kconfig" <<
92 78
93 endmenu !! 79 menu "System setup"
94 80
95 choice 81 choice
96 prompt "ARC Instruction Set" !! 82 prompt "Alpha system type"
97 default ISA_ARCV2 !! 83 default ALPHA_GENERIC
>> 84 ---help---
>> 85 This is the system type of your hardware. A "generic" kernel will
>> 86 run on any supported Alpha system. However, if you configure a
>> 87 kernel for your specific system, it will be faster and smaller.
98 88
99 config ISA_ARCOMPACT !! 89 To find out what type of Alpha system you have, you may want to
100 bool "ARCompact ISA" !! 90 check out the Linux/Alpha FAQ, accessible on the WWW from
101 select CPU_NO_EFFICIENT_FFS !! 91 <http://www.alphalinux.org/>. In summary:
102 help <<
103 The original ARC ISA of ARC600/700 c <<
104 92
105 config ISA_ARCV2 !! 93 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
106 bool "ARC ISA v2" !! 94 Alpha-XL XL-233, XL-266
107 select ARC_TIMERS_64BIT !! 95 AlphaBook1 Alpha laptop
108 help !! 96 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
109 ISA for the Next Generation ARC-HS c !! 97 Cabriolet AlphaPC64, AlphaPCI64
>> 98 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 99 EB164 EB164 21164 evaluation board
>> 100 EB64+ EB64+ 21064 evaluation board
>> 101 EB66 EB66 21066 evaluation board
>> 102 EB66+ EB66+ 21066 evaluation board
>> 103 Jensen DECpc 150, DEC 2000 models 300, 500
>> 104 LX164 AlphaPC164-LX
>> 105 Lynx AS 2100A
>> 106 Miata Personal Workstation 433/500/600 a/au
>> 107 Marvel AlphaServer ES47 / ES80 / GS1280
>> 108 Mikasa AS 1000
>> 109 Noname AXPpci33, UDB (Multia)
>> 110 Noritake AS 1000A, AS 600A, AS 800
>> 111 PC164 AlphaPC164
>> 112 Rawhide AS 1200, AS 4000, AS 4100
>> 113 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 114 SX164 AlphaPC164-SX
>> 115 Sable AS 2000, AS 2100
>> 116 Shark DS 20L
>> 117 Takara Takara (OEM)
>> 118 Titan AlphaServer ES45 / DS25 / DS15
>> 119 Wildfire AlphaServer GS 40/80/160/320
110 120
111 endchoice !! 121 If you don't know what to do, choose "generic".
112 122
113 menu "ARC CPU Configuration" !! 123 config ALPHA_GENERIC
>> 124 bool "Generic"
>> 125 depends on TTY
>> 126 help
>> 127 A generic kernel will run on all supported Alpha hardware.
114 128
115 choice !! 129 config ALPHA_ALCOR
116 prompt "ARC Core" !! 130 bool "Alcor/Alpha-XLT"
117 default ARC_CPU_770 if ISA_ARCOMPACT !! 131 help
118 default ARC_CPU_HS if ISA_ARCV2 !! 132 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
119 !! 133 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
120 config ARC_CPU_770 !! 134 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
121 bool "ARC770" !! 135 controller (256-bit memory bus) and a PCI interface. It also does
122 depends on ISA_ARCOMPACT !! 136 all the work required to support an external Bcache and to maintain
123 select ARC_HAS_SWAPE !! 137 memory coherence when a PCI device DMAs into (or out of) memory.
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 <<
132 config ARC_CPU_HS <<
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... <<
150 138
151 endchoice !! 139 config ALPHA_XL
>> 140 bool "Alpha-XL"
>> 141 help
>> 142 XL-233 and XL-266-based Alpha systems.
152 143
153 config ARC_TUNE_MCPU !! 144 config ALPHA_BOOK1
154 string "Override default -mcpu compile !! 145 bool "AlphaBook1"
155 default "" !! 146 help
156 help !! 147 Dec AlphaBook1/Burns Alpha-based laptops.
157 Override default -mcpu=xxx compiler !! 148
158 the ISA version) with the specified !! 149 config ALPHA_AVANTI_CH
159 NOTE: If specified flag isn't suppor !! 150 bool "Avanti"
160 ISA default value will be used as a <<
161 151
162 config CPU_BIG_ENDIAN !! 152 config ALPHA_CABRIOLET
163 bool "Enable Big Endian Mode" !! 153 bool "Cabriolet"
164 help 154 help
165 Build kernel for Big Endian Mode of !! 155 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 156 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 157 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 158 Bcache SIMMs. Requires power supply with 3.3V output.
166 159
167 config SMP !! 160 config ALPHA_DP264
168 bool "Symmetric Multi-Processing" !! 161 bool "DP264"
169 select ARC_MCIP if ISA_ARCV2 <<
170 help 162 help
171 This enables support for systems wit !! 163 Various 21264 systems with the tsunami core logic chipset.
>> 164 API Networks: 264DP, UP2000(+), CS20;
>> 165 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
172 166
173 if SMP !! 167 config ALPHA_EB164
>> 168 bool "EB164"
>> 169 help
>> 170 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 171 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 172 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 173 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 174 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 175 motherboard. Requires power supply with 3.3V output.
174 176
175 config NR_CPUS !! 177 config ALPHA_EB64P_CH
176 int "Maximum number of CPUs (2-4096)" !! 178 bool "EB64+"
177 range 2 4096 <<
178 default "4" <<
179 179
180 config ARC_SMP_HALT_ON_RESET !! 180 config ALPHA_EB66
181 bool "Enable Halt-on-reset boot mode" !! 181 bool "EB66"
182 help 182 help
183 In SMP configuration cores can be co !! 183 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
184 or they could all start at same time !! 184 identical to EB64+. Baby PC-AT size. Runs from standard PC power
185 masters are parked until Master kick !! 185 supply. The EB66 schematic was published as a marketing poster
186 at designated entry point. For other !! 186 advertising the 21066 as "the first microprocessor in the world with
187 entry point and spin wait for Master !! 187 embedded PCI".
188 <<
189 endif #SMP <<
190 188
191 config ARC_MCIP !! 189 config ALPHA_EB66P
192 bool "ARConnect Multicore IP (MCIP) Su !! 190 bool "EB66+"
193 depends on ISA_ARCV2 <<
194 default y if SMP <<
195 help 191 help
196 This IP block enables SMP in ARC-HS3 !! 192 Later variant of the EB66 board.
197 It provides for cross-core interrupt <<
198 hardware semaphores, shared memory,. <<
199 193
200 menuconfig ARC_CACHE !! 194 config ALPHA_EIGER
201 bool "Enable Cache Support" !! 195 bool "Eiger"
202 default y !! 196 help
>> 197 Apparently an obscure OEM single-board computer based on the
>> 198 Typhoon/Tsunami chipset family. Information on it is scanty.
203 199
204 if ARC_CACHE !! 200 config ALPHA_JENSEN
>> 201 bool "Jensen"
>> 202 help
>> 203 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 204 of the first-generation Alpha systems. A number of these systems
>> 205 seem to be available on the second- hand market. The Jensen is a
>> 206 floor-standing tower system which originally used a 150MHz 21064 It
>> 207 used programmable logic to interface a 486 EISA I/O bridge to the
>> 208 CPU.
205 209
206 config ARC_CACHE_LINE_SHIFT !! 210 config ALPHA_LX164
207 int "Cache Line Length (as power of 2) !! 211 bool "LX164"
208 range 5 7 <<
209 default "6" <<
210 help 212 help
211 Starting with ARC700 4.9, Cache line !! 213 A technical overview of this board is available at
212 This option specifies "N", with Line !! 214 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
213 So line lengths of 32, 64, 128 are s <<
214 Linux only supports same line length <<
215 215
216 config ARC_HAS_ICACHE !! 216 config ALPHA_LYNX
217 bool "Use Instruction Cache" !! 217 bool "Lynx"
218 default y !! 218 help
>> 219 AlphaServer 2100A-based systems.
219 220
220 config ARC_HAS_DCACHE !! 221 config ALPHA_MARVEL
221 bool "Use Data Cache" !! 222 bool "Marvel"
222 default y !! 223 help
>> 224 AlphaServer ES47 / ES80 / GS1280 based on EV7.
223 225
224 config ARC_CACHE_PAGES !! 226 config ALPHA_MIATA
225 bool "Per Page Cache Control" !! 227 bool "Miata"
226 default y <<
227 depends on ARC_HAS_ICACHE || ARC_HAS_D <<
228 help 228 help
229 This can be used to over-ride the gl !! 229 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
230 per-page basis (but only for pages a !! 230 or 600au).
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 <<
235 231
236 endif #ARC_CACHE !! 232 config ALPHA_MIKASA
>> 233 bool "Mikasa"
>> 234 help
>> 235 AlphaServer 1000-based Alpha systems.
237 236
238 config ARC_HAS_ICCM !! 237 config ALPHA_NAUTILUS
239 bool "Use ICCM" !! 238 bool "Nautilus"
240 help 239 help
241 Single Cycle RAMS to store Fast Path !! 240 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
242 241
243 config ARC_ICCM_SZ !! 242 config ALPHA_NONAME_CH
244 int "ICCM Size in KB" !! 243 bool "Noname"
245 default "64" <<
246 depends on ARC_HAS_ICCM <<
247 244
248 config ARC_HAS_DCCM !! 245 config ALPHA_NORITAKE
249 bool "Use DCCM" !! 246 bool "Noritake"
250 help 247 help
251 Single Cycle RAMS to store Fast Path !! 248 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 249 systems.
252 250
253 config ARC_DCCM_SZ !! 251 config ALPHA_PC164
254 int "DCCM Size in KB" !! 252 bool "PC164"
255 default "64" <<
256 depends on ARC_HAS_DCCM <<
257 253
258 config ARC_DCCM_BASE !! 254 config ALPHA_P2K
259 hex "DCCM map address" !! 255 bool "Platform2000"
260 default "0xA0000000" <<
261 depends on ARC_HAS_DCCM <<
262 256
263 choice !! 257 config ALPHA_RAWHIDE
264 prompt "MMU Version" !! 258 bool "Rawhide"
265 default ARC_MMU_V3 if ISA_ARCOMPACT !! 259 help
266 default ARC_MMU_V4 if ISA_ARCV2 !! 260 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
267 !! 261 See HOWTO at
268 config ARC_MMU_V3 !! 262 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
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 <<
276 config ARC_MMU_V4 <<
277 bool "MMU v4" <<
278 depends on ISA_ARCV2 <<
279 263
280 endchoice !! 264 config ALPHA_RUFFIAN
>> 265 bool "Ruffian"
>> 266 help
>> 267 Samsung APC164UX. There is a page on known problems and workarounds
>> 268 at <http://www.alphalinux.org/faq/FAQ-11.html>.
281 269
>> 270 config ALPHA_RX164
>> 271 bool "RX164"
282 272
283 choice !! 273 config ALPHA_SX164
284 prompt "MMU Page Size" !! 274 bool "SX164"
285 default ARC_PAGE_SIZE_8K <<
286 275
287 config ARC_PAGE_SIZE_8K !! 276 config ALPHA_SABLE
288 bool "8KB" !! 277 bool "Sable"
289 select HAVE_PAGE_SIZE_8KB !! 278 help
290 help !! 279 Digital AlphaServer 2000 and 2100-based systems.
291 Choose between 8k vs 16k <<
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 <<
301 280
302 endchoice !! 281 config ALPHA_SHARK
>> 282 bool "Shark"
303 283
304 choice !! 284 config ALPHA_TAKARA
305 prompt "MMU Super Page Size" !! 285 bool "Takara"
306 depends on ISA_ARCV2 && TRANSPARENT_HU !! 286 help
307 default ARC_HUGEPAGE_2M !! 287 Alpha 11164-based OEM single-board computer.
308 288
309 config ARC_HUGEPAGE_2M !! 289 config ALPHA_TITAN
310 bool "2MB" !! 290 bool "Titan"
>> 291 help
>> 292 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
311 293
312 config ARC_HUGEPAGE_16M !! 294 config ALPHA_WILDFIRE
313 bool "16MB" !! 295 bool "Wildfire"
>> 296 help
>> 297 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
314 298
315 endchoice 299 endchoice
316 300
317 config PGTABLE_LEVELS !! 301 # clear all implied options (don't want default values for those):
318 int "Number of Page table levels" !! 302 # Most of these machines have ISA slots; not exactly sure which don't,
319 default 2 !! 303 # and this doesn't activate hordes of code, so do it always.
>> 304 config ISA
>> 305 bool
>> 306 default y
>> 307 help
>> 308 Find out whether you have ISA slots on your motherboard. ISA is the
>> 309 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 310 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 311 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 312 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 313
>> 314 config ISA_DMA_API
>> 315 bool
>> 316 default y
>> 317
>> 318 config PCI
>> 319 bool
>> 320 depends on !ALPHA_JENSEN
>> 321 select GENERIC_PCI_IOMAP
>> 322 default y
>> 323 help
>> 324 Find out whether you have a PCI motherboard. PCI is the name of a
>> 325 bus system, i.e. the way the CPU talks to the other stuff inside
>> 326 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 327 VESA. If you have PCI, say Y, otherwise N.
>> 328
>> 329 config PCI_DOMAINS
>> 330 bool
>> 331 default y
>> 332
>> 333 config PCI_SYSCALL
>> 334 def_bool PCI
320 335
321 config ARC_COMPACT_IRQ_LEVELS !! 336 config IOMMU_HELPER
322 depends on ISA_ARCOMPACT !! 337 def_bool PCI
323 bool "Setup Timer IRQ as high Priority <<
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 338
327 config ARC_FPU_SAVE_RESTORE !! 339 config ALPHA_NONAME
328 bool "Enable FPU state persistence acr !! 340 bool
>> 341 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 342 default y
329 help 343 help
330 ARCompact FPU has internal registers !! 344 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
331 Floating Point operations. There are !! 345 UDB). This design was produced by Digital's Technical OEM (TOEM)
332 for floating point exceptions and ro !! 346 group. It uses the 21066 processor running at 166MHz or 233MHz. It
333 preserved across task context switch !! 347 is a baby-AT size, and runs from a standard PC power supply. It has
>> 348 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 349 2 versions, with either PS/2 or large DIN connectors for the
>> 350 keyboard.
334 351
335 config ARC_CANT_LLSC !! 352 config ALPHA_EV4
336 def_bool n !! 353 bool
>> 354 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
>> 355 default y if !ALPHA_LYNX
337 356
338 config ARC_HAS_LLSC !! 357 config ALPHA_LCA
339 bool "Insn: LLOCK/SCOND (efficient ato !! 358 bool
>> 359 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
340 default y 360 default y
341 depends on !ARC_CANT_LLSC <<
342 361
343 config ARC_HAS_SWAPE !! 362 config ALPHA_APECS
344 bool "Insn: SWAPE (endian-swap)" !! 363 bool
>> 364 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
345 default y 365 default y
346 366
347 if ISA_ARCV2 !! 367 config ALPHA_EB64P
>> 368 bool
>> 369 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 370 default y
>> 371 help
>> 372 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 373 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 374 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 375 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 376 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 377 Runs from standard PC power supply.
>> 378
>> 379 config ALPHA_EV5
>> 380 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 381 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
>> 382
>> 383 config ALPHA_EV4
>> 384 bool
>> 385 default y if ALPHA_LYNX && !ALPHA_EV5
348 386
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 387 config ALPHA_CIA
350 bool "Enable unaligned access in HW" !! 388 bool
>> 389 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
351 default y 390 default y
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 391
>> 392 config ALPHA_EV56
>> 393 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 394 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 395
>> 396 config ALPHA_EV56
>> 397 prompt "EV56 CPU (speed >= 333MHz)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 399
>> 400 config ALPHA_EV56
>> 401 prompt "EV56 CPU (speed >= 400MHz)?"
>> 402 depends on ALPHA_RAWHIDE
>> 403
>> 404 config ALPHA_PRIMO
>> 405 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 406 depends on ALPHA_NORITAKE || ALPHA_MIKASA
353 help 407 help
354 The ARC HS architecture supports una !! 408 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
355 which is disabled by default. Enable <<
356 hardware and use software to use it <<
357 409
358 config ARC_HAS_LL64 !! 410 config ALPHA_GAMMA
359 bool "Insn: 64bit LDD/STD" !! 411 bool "EV5 CPU(s) (model 5/xxx)?"
>> 412 depends on ALPHA_SABLE
360 help 413 help
361 Enable gcc to generate 64-bit load/s !! 414 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
362 ISA mandates even/odd registers to a !! 415
363 dest operands with 2 possible source !! 416 config ALPHA_GAMMA
>> 417 bool
>> 418 depends on ALPHA_LYNX
364 default y 419 default y
365 420
366 config ARC_HAS_DIV_REM !! 421 config ALPHA_T2
367 bool "Insn: div, divu, rem, remu" !! 422 bool
>> 423 depends on ALPHA_SABLE || ALPHA_LYNX
368 default y 424 default y
369 425
370 config ARC_HAS_ACCL_REGS !! 426 config ALPHA_PYXIS
371 bool "Reg Pair ACCL:ACCH (FPU and/or M !! 427 bool
>> 428 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
372 default y 429 default y
373 help <<
374 Depending on the configuration, CPU <<
375 (also referred to as r58:r59). These <<
376 kernel needs to save/restore per pro <<
377 430
378 config ARC_DSP_HANDLED !! 431 config ALPHA_EV6
379 def_bool n !! 432 bool
>> 433 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 434 default y
380 435
381 config ARC_DSP_SAVE_RESTORE_REGS !! 436 config ALPHA_TSUNAMI
382 def_bool n !! 437 bool
>> 438 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 439 default y
383 440
384 choice !! 441 config ALPHA_EV67
385 prompt "DSP support" !! 442 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
386 default ARC_DSP_NONE !! 443 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
387 help <<
388 Depending on the configuration, CPU <<
389 (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_ <<
390 Below are options describing how to <<
391 interrupt entry / exit and in contex <<
392 <<
393 config ARC_DSP_NONE <<
394 bool "No DSP extension presence in HW" <<
395 help <<
396 No DSP extension presence in HW <<
397 <<
398 config ARC_DSP_KERNEL <<
399 bool "DSP extension in HW, no support <<
400 select ARC_HAS_ACCL_REGS <<
401 select ARC_DSP_HANDLED <<
402 help <<
403 DSP extension presence in HW, no sup <<
404 applications. We don't save / restor <<
405 some minimal preparations so userspa <<
406 <<
407 config ARC_DSP_USERSPACE <<
408 bool "Support DSP for userspace apps" <<
409 select ARC_HAS_ACCL_REGS <<
410 select ARC_DSP_HANDLED <<
411 select ARC_DSP_SAVE_RESTORE_REGS <<
412 help <<
413 DSP extension presence in HW, suppor <<
414 run DSP-enabled userspace applicatio <<
415 <<
416 config ARC_DSP_AGU_USERSPACE <<
417 bool "Support DSP with AGU for userspa <<
418 select ARC_HAS_ACCL_REGS <<
419 select ARC_DSP_HANDLED <<
420 select ARC_DSP_SAVE_RESTORE_REGS <<
421 help 444 help
422 DSP and AGU extensions presence in H !! 445 Is this a machine based on the EV67 core? If in doubt, select N here
423 and AGU registers to run DSP-enabled !! 446 and the machine will be treated as an EV6.
424 endchoice <<
425 447
426 config ARC_IRQ_NO_AUTOSAVE !! 448 config ALPHA_MCPCIA
427 bool "Disable hardware autosave regfil !! 449 bool
428 default n !! 450 depends on ALPHA_RAWHIDE
>> 451 default y
>> 452
>> 453 config ALPHA_POLARIS
>> 454 bool
>> 455 depends on ALPHA_RX164
>> 456 default y
>> 457
>> 458 config ALPHA_IRONGATE
>> 459 bool
>> 460 depends on ALPHA_NAUTILUS
>> 461 default y
>> 462
>> 463 config GENERIC_HWEIGHT
>> 464 bool
>> 465 default y if !ALPHA_EV67
>> 466
>> 467 config ALPHA_AVANTI
>> 468 bool
>> 469 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 470 default y
429 help 471 help
430 On HS cores, taken interrupt auto sa !! 472 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
431 This is programmable and can be opti !! 473 Alphas. Info at
432 software INTERRUPT_PROLOGUE/EPILGUE !! 474 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
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 <<
512 475
513 config HZ !! 476 config ALPHA_BROKEN_IRQ_MASK
514 int "Timer Frequency" !! 477 bool
515 default 100 !! 478 depends on ALPHA_GENERIC || ALPHA_PC164
>> 479 default y
516 480
517 config ARC_METAWARE_HLINK !! 481 config VGA_HOSE
518 bool "Support for Metaware debugger as !! 482 bool
>> 483 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 484 default y
519 help 485 help
520 This options allows a Linux userland !! 486 Support VGA on an arbitrary hose; needed for several platforms
521 host file system (open/creat/read/wr !! 487 which always have multiple hoses, and whose consoles support it.
522 Metaware Debugger. This can come in !! 488
523 when there is no real usable periphe <<
524 489
525 menuconfig ARC_DBG !! 490 config ALPHA_SRM
526 bool "ARC debugging" !! 491 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
>> 492 depends on TTY
>> 493 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
>> 494 ---help---
>> 495 There are two different types of booting firmware on Alphas: SRM,
>> 496 which is command line driven, and ARC, which uses menus and arrow
>> 497 keys. Details about the Linux/Alpha booting process are contained in
>> 498 the Linux/Alpha FAQ, accessible on the WWW from
>> 499 <http://www.alphalinux.org/>.
>> 500
>> 501 The usual way to load Linux on an Alpha machine is to use MILO
>> 502 (a bootloader that lets you pass command line parameters to the
>> 503 kernel just like lilo does for the x86 architecture) which can be
>> 504 loaded either from ARC or can be installed directly as a permanent
>> 505 firmware replacement from floppy (which requires changing a certain
>> 506 jumper on the motherboard). If you want to do either of these, say N
>> 507 here. If MILO doesn't work on your system (true for Jensen
>> 508 motherboards), you can bypass it altogether and boot Linux directly
>> 509 from an SRM console; say Y here in order to do that. Note that you
>> 510 won't be able to boot from an IDE disk using SRM.
>> 511
>> 512 If unsure, say N.
>> 513
>> 514 config EISA
>> 515 bool
>> 516 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
527 default y 517 default y
528 518
529 if ARC_DBG !! 519 config ARCH_MAY_HAVE_PC_FDC
>> 520 def_bool y
530 521
531 config ARC_DW2_UNWIND !! 522 config SMP
532 bool "Enable DWARF specific kernel sta !! 523 bool "Symmetric multi-processing support"
>> 524 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 525 select USE_GENERIC_SMP_HELPERS
>> 526 ---help---
>> 527 This enables support for systems with more than one CPU. If you have
>> 528 a system with only one CPU, like most personal computers, say N. If
>> 529 you have a system with more than one CPU, say Y.
>> 530
>> 531 If you say N here, the kernel will run on single and multiprocessor
>> 532 machines, but will use only one CPU of a multiprocessor machine. If
>> 533 you say Y here, the kernel will run on many, but not all,
>> 534 singleprocessor machines. On a singleprocessor machine, the kernel
>> 535 will run faster if you say N here.
>> 536
>> 537 See also the SMP-HOWTO available at
>> 538 <http://www.tldp.org/docs.html#howto>.
>> 539
>> 540 If you don't know what to do here, say N.
>> 541
>> 542 config HAVE_DEC_LOCK
>> 543 bool
>> 544 depends on SMP
533 default y 545 default y
534 select KALLSYMS <<
535 help <<
536 Compiles the kernel with DWARF unwin <<
537 to get stack backtraces. <<
538 546
539 If you say Y here the resulting kern !! 547 config NR_CPUS
540 but not slower, and it will give ver !! 548 int "Maximum number of CPUs (2-32)"
541 If you don't debug the kernel, you c !! 549 range 2 32
542 to solve problems without frame unwi !! 550 depends on SMP
>> 551 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 552 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 553 help
>> 554 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 555 with working support have a maximum of 4 CPUs.
>> 556
>> 557 config ARCH_DISCONTIGMEM_ENABLE
>> 558 bool "Discontiguous Memory Support"
>> 559 help
>> 560 Say Y to support efficient handling of discontiguous physical memory,
>> 561 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 562 or have huge holes in the physical address space for other reasons.
>> 563 See <file:Documentation/vm/numa> for more.
>> 564
>> 565 source "mm/Kconfig"
>> 566
>> 567 config NUMA
>> 568 bool "NUMA Support (EXPERIMENTAL)"
>> 569 depends on DISCONTIGMEM && BROKEN
>> 570 help
>> 571 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 572 Access). This option is for configuring high-end multiprocessor
>> 573 server machines. If in doubt, say N.
>> 574
>> 575 config NODES_SHIFT
>> 576 int
>> 577 default "7"
>> 578 depends on NEED_MULTIPLE_NODES
>> 579
>> 580 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 581 config ALPHA_LARGE_VMALLOC
>> 582 bool
>> 583 ---help---
>> 584 Process creation and other aspects of virtual memory management can
>> 585 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 586 allocations. This equates to about 8GB.
>> 587
>> 588 Under normal circumstances, this is so far and above what is needed
>> 589 as to be laughable. However, there are certain applications (such
>> 590 as benchmark-grade in-kernel web serving) that can make use of as
>> 591 much vmalloc space as is available.
>> 592
>> 593 Say N unless you know you need gobs and gobs of vmalloc space.
>> 594
>> 595 config VERBOSE_MCHECK
>> 596 bool "Verbose Machine Checks"
>> 597
>> 598 config VERBOSE_MCHECK_ON
>> 599 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 600 depends on VERBOSE_MCHECK
>> 601 default 1
>> 602 ---help---
>> 603 This option allows the default printing mode to be set, and then
>> 604 possibly overridden by a boot command argument.
>> 605
>> 606 For example, if one wanted the option of printing verbose
>> 607 machine checks, but wanted the default to be as if verbose
>> 608 machine check printing was turned off, then one would choose
>> 609 the printing mode to be 0. Then, upon reboot, one could add
>> 610 the boot command line "verbose_mcheck=1" to get the normal
>> 611 verbose machine check printing, or "verbose_mcheck=2" to get
>> 612 the maximum information available.
543 613
544 config ARC_DBG_JUMP_LABEL !! 614 Take the default (1) unless you want more control or more info.
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 <<
552 615
553 config ARC_BUILTIN_DTB_NAME !! 616 config HZ
554 string "Built in DTB" !! 617 int
555 help !! 618 default 1200 if ALPHA_RAWHIDE
556 Set the name of the DTB to embed in !! 619 default 1024
557 Leaving it blank selects the "nsim_7 !! 620
>> 621 source "drivers/pci/Kconfig"
>> 622 source "drivers/eisa/Kconfig"
>> 623
>> 624 source "drivers/pcmcia/Kconfig"
>> 625
>> 626 config SRM_ENV
>> 627 tristate "SRM environment through procfs"
>> 628 depends on PROC_FS
>> 629 ---help---
>> 630 If you enable this option, a subdirectory inside /proc called
>> 631 /proc/srm_environment will give you access to the all important
>> 632 SRM environment variables (those which have a name) and also
>> 633 to all others (by their internal number).
>> 634
>> 635 SRM is something like a BIOS for Alpha machines. There are some
>> 636 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 637 support (hey, that's not SRM!).
>> 638
>> 639 Despite the fact that this driver doesn't work on all Alphas (but
>> 640 only on those which have SRM as their firmware), it's save to
>> 641 build it even if your particular machine doesn't know about SRM
>> 642 (or if you intend to compile a generic kernel). It will simply
>> 643 not create those subdirectory in /proc (and give you some warning,
>> 644 of course).
>> 645
>> 646 This driver is also available as a module and will be called
>> 647 srm_env then.
>> 648
>> 649 source "fs/Kconfig.binfmt"
>> 650
>> 651 endmenu
>> 652
>> 653 source "net/Kconfig"
>> 654
>> 655 source "drivers/Kconfig"
>> 656
>> 657 source "fs/Kconfig"
>> 658
>> 659 source "arch/alpha/Kconfig.debug"
>> 660
>> 661 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 662 # but we also need it if VGA_HOSE is set
>> 663 config DUMMY_CONSOLE
>> 664 bool
>> 665 depends on VGA_HOSE
>> 666 default y
>> 667
>> 668 source "security/Kconfig"
558 669
559 endmenu # "ARC Architecture Configuration" !! 670 source "crypto/Kconfig"
560 671
561 config ARCH_FORCE_MAX_ORDER !! 672 source "lib/Kconfig"
562 int "Maximum zone order" <<
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 673
566 source "kernel/power/Kconfig" <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.