1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # SPDX-License-Identifier: GPL-2.0
2 # !! 2 config ALPHA
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 3 bool
4 # !! 4 default y
5 !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 config ARC !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 def_bool y !! 7 select ARCH_USE_CMPXCHG_LOCKREF
8 select ARC_TIMERS !! 8 select HAVE_AOUT
9 select ARCH_HAS_CACHE_LINE_SIZE !! 9 select HAVE_IDE
10 select ARCH_HAS_DEBUG_VM_PGTABLE !! 10 select HAVE_OPROFILE
11 select ARCH_HAS_DMA_PREP_COHERENT !! 11 select HAVE_PCSPKR_PLATFORM
12 select ARCH_HAS_PTE_SPECIAL !! 12 select HAVE_PERF_EVENTS
13 select ARCH_HAS_SETUP_DMA_OPS !! 13 select VIRT_TO_BUS
14 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 14 select GENERIC_IRQ_PROBE
15 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 select AUTO_IRQ_AFFINITY if SMP
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 16 select GENERIC_IRQ_SHOW
26 select GENERIC_PCI_IOMAP !! 17 select ARCH_WANT_IPC_PARSE_VERSION
27 select GENERIC_PENDING_IRQ if SMP !! 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select GENERIC_SCHED_CLOCK !! 19 select AUDIT_ARCH
>> 20 select GENERIC_CLOCKEVENTS
>> 21 select GENERIC_CPU_VULNERABILITIES
29 select GENERIC_SMP_IDLE_THREAD 22 select GENERIC_SMP_IDLE_THREAD
30 select GENERIC_IOREMAP !! 23 select GENERIC_STRNCPY_FROM_USER
31 select GENERIC_STRNCPY_FROM_USER if MM !! 24 select GENERIC_STRNLEN_USER
32 select GENERIC_STRNLEN_USER if MMU !! 25 select HAVE_ARCH_AUDITSYSCALL
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 26 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 27 select MODULES_USE_ELF_RELA
50 select OF !! 28 select ODD_RT_SIGACTION
51 select OF_EARLY_FLATTREE !! 29 select OLD_SIGSUSPEND
52 select PCI_SYSCALL if PCI !! 30 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC !! 31 help
54 select TRACE_IRQFLAGS_SUPPORT !! 32 The Alpha is a 64-bit general-purpose processor designed and
55 select HAVE_EBPF_JIT if ISA_ARCV2 !! 33 marketed by the Digital Equipment Corporation of blessed memory,
>> 34 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 35 <http://www.alphalinux.org/>.
56 36
57 config LOCKDEP_SUPPORT !! 37 config 64BIT
58 def_bool y 38 def_bool y
59 39
60 config SCHED_OMIT_FRAME_POINTER !! 40 config MMU
61 def_bool y !! 41 bool
>> 42 default y
62 43
63 config GENERIC_CSUM !! 44 config RWSEM_GENERIC_SPINLOCK
64 def_bool y !! 45 bool
65 46
66 config ARCH_FLATMEM_ENABLE !! 47 config RWSEM_XCHGADD_ALGORITHM
67 def_bool y !! 48 bool
>> 49 default y
68 50
69 config MMU !! 51 config ARCH_HAS_ILOG2_U32
70 def_bool y !! 52 bool
>> 53 default n
71 54
72 config NO_IOPORT_MAP !! 55 config ARCH_HAS_ILOG2_U64
73 def_bool y !! 56 bool
>> 57 default n
74 58
75 config GENERIC_CALIBRATE_DELAY 59 config GENERIC_CALIBRATE_DELAY
76 def_bool y !! 60 bool
>> 61 default y
77 62
78 config GENERIC_HWEIGHT !! 63 config ZONE_DMA
>> 64 bool
>> 65 default y
>> 66
>> 67 config ARCH_DMA_ADDR_T_64BIT
79 def_bool y 68 def_bool y
80 69
81 config STACKTRACE_SUPPORT !! 70 config NEED_DMA_MAP_STATE
>> 71 def_bool y
>> 72
>> 73 config NEED_SG_DMA_LENGTH
82 def_bool y 74 def_bool y
83 select STACKTRACE <<
84 75
85 menu "ARC Architecture Configuration" !! 76 config GENERIC_ISA_DMA
>> 77 bool
>> 78 default y
>> 79
>> 80 config PGTABLE_LEVELS
>> 81 int
>> 82 default 3
86 83
87 menu "ARC Platform/SoC/Board" !! 84 source "init/Kconfig"
>> 85 source "kernel/Kconfig.freezer"
88 86
89 source "arch/arc/plat-tb10x/Kconfig" !! 87 config AUDIT_ARCH
90 source "arch/arc/plat-axs10x/Kconfig" !! 88 bool
91 source "arch/arc/plat-hsdk/Kconfig" <<
92 89
93 endmenu !! 90 menu "System setup"
94 91
95 choice 92 choice
96 prompt "ARC Instruction Set" !! 93 prompt "Alpha system type"
97 default ISA_ARCV2 !! 94 default ALPHA_GENERIC
>> 95 ---help---
>> 96 This is the system type of your hardware. A "generic" kernel will
>> 97 run on any supported Alpha system. However, if you configure a
>> 98 kernel for your specific system, it will be faster and smaller.
98 99
99 config ISA_ARCOMPACT !! 100 To find out what type of Alpha system you have, you may want to
100 bool "ARCompact ISA" !! 101 check out the Linux/Alpha FAQ, accessible on the WWW from
101 select CPU_NO_EFFICIENT_FFS !! 102 <http://www.alphalinux.org/>. In summary:
102 help !! 103
103 The original ARC ISA of ARC600/700 c !! 104 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 105 Alpha-XL XL-233, XL-266
>> 106 AlphaBook1 Alpha laptop
>> 107 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 108 Cabriolet AlphaPC64, AlphaPCI64
>> 109 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 110 EB164 EB164 21164 evaluation board
>> 111 EB64+ EB64+ 21064 evaluation board
>> 112 EB66 EB66 21066 evaluation board
>> 113 EB66+ EB66+ 21066 evaluation board
>> 114 Jensen DECpc 150, DEC 2000 models 300, 500
>> 115 LX164 AlphaPC164-LX
>> 116 Lynx AS 2100A
>> 117 Miata Personal Workstation 433/500/600 a/au
>> 118 Marvel AlphaServer ES47 / ES80 / GS1280
>> 119 Mikasa AS 1000
>> 120 Noname AXPpci33, UDB (Multia)
>> 121 Noritake AS 1000A, AS 600A, AS 800
>> 122 PC164 AlphaPC164
>> 123 Rawhide AS 1200, AS 4000, AS 4100
>> 124 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 125 SX164 AlphaPC164-SX
>> 126 Sable AS 2000, AS 2100
>> 127 Shark DS 20L
>> 128 Takara Takara (OEM)
>> 129 Titan AlphaServer ES45 / DS25 / DS15
>> 130 Wildfire AlphaServer GS 40/80/160/320
104 131
105 config ISA_ARCV2 !! 132 If you don't know what to do, choose "generic".
106 bool "ARC ISA v2" !! 133
107 select ARC_TIMERS_64BIT !! 134 config ALPHA_GENERIC
>> 135 bool "Generic"
>> 136 depends on TTY
108 help 137 help
109 ISA for the Next Generation ARC-HS c !! 138 A generic kernel will run on all supported Alpha hardware.
110 139
111 endchoice !! 140 config ALPHA_ALCOR
>> 141 bool "Alcor/Alpha-XLT"
>> 142 help
>> 143 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 144 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 145 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 146 controller (256-bit memory bus) and a PCI interface. It also does
>> 147 all the work required to support an external Bcache and to maintain
>> 148 memory coherence when a PCI device DMAs into (or out of) memory.
112 149
113 menu "ARC CPU Configuration" !! 150 config ALPHA_XL
>> 151 bool "Alpha-XL"
>> 152 help
>> 153 XL-233 and XL-266-based Alpha systems.
114 154
115 choice !! 155 config ALPHA_BOOK1
116 prompt "ARC Core" !! 156 bool "AlphaBook1"
117 default ARC_CPU_770 if ISA_ARCOMPACT !! 157 help
118 default ARC_CPU_HS if ISA_ARCV2 !! 158 Dec AlphaBook1/Burns Alpha-based laptops.
119 <<
120 config ARC_CPU_770 <<
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 <<
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... <<
150 159
151 endchoice !! 160 config ALPHA_AVANTI_CH
>> 161 bool "Avanti"
152 162
153 config ARC_TUNE_MCPU !! 163 config ALPHA_CABRIOLET
154 string "Override default -mcpu compile !! 164 bool "Cabriolet"
155 default "" !! 165 help
156 help !! 166 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
157 Override default -mcpu=xxx compiler !! 167 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
158 the ISA version) with the specified !! 168 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
159 NOTE: If specified flag isn't suppor !! 169 Bcache SIMMs. Requires power supply with 3.3V output.
160 ISA default value will be used as a <<
161 170
162 config CPU_BIG_ENDIAN !! 171 config ALPHA_DP264
163 bool "Enable Big Endian Mode" !! 172 bool "DP264"
164 help 173 help
165 Build kernel for Big Endian Mode of !! 174 Various 21264 systems with the tsunami core logic chipset.
>> 175 API Networks: 264DP, UP2000(+), CS20;
>> 176 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
166 177
167 config SMP !! 178 config ALPHA_EB164
168 bool "Symmetric Multi-Processing" !! 179 bool "EB164"
169 select ARC_MCIP if ISA_ARCV2 <<
170 help 180 help
171 This enables support for systems wit !! 181 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 182 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 183 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 184 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 185 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 186 motherboard. Requires power supply with 3.3V output.
172 187
173 if SMP !! 188 config ALPHA_EB64P_CH
>> 189 bool "EB64+"
174 190
175 config NR_CPUS !! 191 config ALPHA_EB66
176 int "Maximum number of CPUs (2-4096)" !! 192 bool "EB66"
177 range 2 4096 <<
178 default "4" <<
179 <<
180 config ARC_SMP_HALT_ON_RESET <<
181 bool "Enable Halt-on-reset boot mode" <<
182 help <<
183 In SMP configuration cores can be co <<
184 or they could all start at same time <<
185 masters are parked until Master kick <<
186 at designated entry point. For other <<
187 entry point and spin wait for Master <<
188 <<
189 endif #SMP <<
190 <<
191 config ARC_MCIP <<
192 bool "ARConnect Multicore IP (MCIP) Su <<
193 depends on ISA_ARCV2 <<
194 default y if SMP <<
195 help 193 help
196 This IP block enables SMP in ARC-HS3 !! 194 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
197 It provides for cross-core interrupt !! 195 identical to EB64+. Baby PC-AT size. Runs from standard PC power
198 hardware semaphores, shared memory,. !! 196 supply. The EB66 schematic was published as a marketing poster
>> 197 advertising the 21066 as "the first microprocessor in the world with
>> 198 embedded PCI".
199 199
200 menuconfig ARC_CACHE !! 200 config ALPHA_EB66P
201 bool "Enable Cache Support" !! 201 bool "EB66+"
202 default y !! 202 help
>> 203 Later variant of the EB66 board.
203 204
204 if ARC_CACHE !! 205 config ALPHA_EIGER
>> 206 bool "Eiger"
>> 207 help
>> 208 Apparently an obscure OEM single-board computer based on the
>> 209 Typhoon/Tsunami chipset family. Information on it is scanty.
205 210
206 config ARC_CACHE_LINE_SHIFT !! 211 config ALPHA_JENSEN
207 int "Cache Line Length (as power of 2) !! 212 bool "Jensen"
208 range 5 7 !! 213 depends on BROKEN
209 default "6" !! 214 select DMA_DIRECT_OPS
210 help 215 help
211 Starting with ARC700 4.9, Cache line !! 216 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
212 This option specifies "N", with Line !! 217 of the first-generation Alpha systems. A number of these systems
213 So line lengths of 32, 64, 128 are s !! 218 seem to be available on the second- hand market. The Jensen is a
214 Linux only supports same line length !! 219 floor-standing tower system which originally used a 150MHz 21064 It
>> 220 used programmable logic to interface a 486 EISA I/O bridge to the
>> 221 CPU.
215 222
216 config ARC_HAS_ICACHE !! 223 config ALPHA_LX164
217 bool "Use Instruction Cache" !! 224 bool "LX164"
218 default y !! 225 help
>> 226 A technical overview of this board is available at
>> 227 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
219 228
220 config ARC_HAS_DCACHE !! 229 config ALPHA_LYNX
221 bool "Use Data Cache" !! 230 bool "Lynx"
222 default y !! 231 help
>> 232 AlphaServer 2100A-based systems.
223 233
224 config ARC_CACHE_PAGES !! 234 config ALPHA_MARVEL
225 bool "Per Page Cache Control" !! 235 bool "Marvel"
226 default y !! 236 help
227 depends on ARC_HAS_ICACHE || ARC_HAS_D !! 237 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 238
>> 239 config ALPHA_MIATA
>> 240 bool "Miata"
228 help 241 help
229 This can be used to over-ride the gl !! 242 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
230 per-page basis (but only for pages a !! 243 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 <<
235 244
236 endif #ARC_CACHE !! 245 config ALPHA_MIKASA
>> 246 bool "Mikasa"
>> 247 help
>> 248 AlphaServer 1000-based Alpha systems.
237 249
238 config ARC_HAS_ICCM !! 250 config ALPHA_NAUTILUS
239 bool "Use ICCM" !! 251 bool "Nautilus"
240 help 252 help
241 Single Cycle RAMS to store Fast Path !! 253 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
242 254
243 config ARC_ICCM_SZ !! 255 config ALPHA_NONAME_CH
244 int "ICCM Size in KB" !! 256 bool "Noname"
245 default "64" <<
246 depends on ARC_HAS_ICCM <<
247 257
248 config ARC_HAS_DCCM !! 258 config ALPHA_NORITAKE
249 bool "Use DCCM" !! 259 bool "Noritake"
250 help 260 help
251 Single Cycle RAMS to store Fast Path !! 261 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 262 systems.
252 263
253 config ARC_DCCM_SZ !! 264 config ALPHA_PC164
254 int "DCCM Size in KB" !! 265 bool "PC164"
255 default "64" <<
256 depends on ARC_HAS_DCCM <<
257 266
258 config ARC_DCCM_BASE !! 267 config ALPHA_P2K
259 hex "DCCM map address" !! 268 bool "Platform2000"
260 default "0xA0000000" <<
261 depends on ARC_HAS_DCCM <<
262 269
263 choice !! 270 config ALPHA_RAWHIDE
264 prompt "MMU Version" !! 271 bool "Rawhide"
265 default ARC_MMU_V3 if ISA_ARCOMPACT !! 272 help
266 default ARC_MMU_V4 if ISA_ARCV2 !! 273 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
267 !! 274 See HOWTO at
268 config ARC_MMU_V3 !! 275 <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 <<
279 276
280 endchoice !! 277 config ALPHA_RUFFIAN
>> 278 bool "Ruffian"
>> 279 help
>> 280 Samsung APC164UX. There is a page on known problems and workarounds
>> 281 at <http://www.alphalinux.org/faq/FAQ-11.html>.
281 282
>> 283 config ALPHA_RX164
>> 284 bool "RX164"
282 285
283 choice !! 286 config ALPHA_SX164
284 prompt "MMU Page Size" !! 287 bool "SX164"
285 default ARC_PAGE_SIZE_8K <<
286 288
287 config ARC_PAGE_SIZE_8K !! 289 config ALPHA_SABLE
288 bool "8KB" !! 290 bool "Sable"
289 select HAVE_PAGE_SIZE_8KB !! 291 help
290 help !! 292 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 <<
301 293
302 endchoice !! 294 config ALPHA_SHARK
>> 295 bool "Shark"
303 296
304 choice !! 297 config ALPHA_TAKARA
305 prompt "MMU Super Page Size" !! 298 bool "Takara"
306 depends on ISA_ARCV2 && TRANSPARENT_HU !! 299 help
307 default ARC_HUGEPAGE_2M !! 300 Alpha 11164-based OEM single-board computer.
308 301
309 config ARC_HUGEPAGE_2M !! 302 config ALPHA_TITAN
310 bool "2MB" !! 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
311 306
312 config ARC_HUGEPAGE_16M !! 307 config ALPHA_WILDFIRE
313 bool "16MB" !! 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
314 311
315 endchoice 312 endchoice
316 313
317 config PGTABLE_LEVELS !! 314 # clear all implied options (don't want default values for those):
318 int "Number of Page table levels" !! 315 # Most of these machines have ISA slots; not exactly sure which don't,
319 default 2 !! 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
>> 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.
>> 326
>> 327 config ISA_DMA_API
>> 328 bool
>> 329 default y
>> 330
>> 331 config PCI
>> 332 bool
>> 333 depends on !ALPHA_JENSEN
>> 334 select GENERIC_PCI_IOMAP
>> 335 default y
>> 336 help
>> 337 Find out whether you have a PCI motherboard. PCI is the name of a
>> 338 bus system, i.e. the way the CPU talks to the other stuff inside
>> 339 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 340 VESA. If you have PCI, say Y, otherwise N.
>> 341
>> 342 config PCI_DOMAINS
>> 343 bool
>> 344 default y
>> 345
>> 346 config PCI_SYSCALL
>> 347 def_bool PCI
320 348
321 config ARC_COMPACT_IRQ_LEVELS !! 349 config IOMMU_HELPER
322 depends on ISA_ARCOMPACT !! 350 def_bool PCI
323 bool "Setup Timer IRQ as high Priority <<
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 351
327 config ARC_FPU_SAVE_RESTORE !! 352 config ALPHA_NONAME
328 bool "Enable FPU state persistence acr !! 353 bool
>> 354 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 355 default y
329 help 356 help
330 ARCompact FPU has internal registers !! 357 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
331 Floating Point operations. There are !! 358 UDB). This design was produced by Digital's Technical OEM (TOEM)
332 for floating point exceptions and ro !! 359 group. It uses the 21066 processor running at 166MHz or 233MHz. It
333 preserved across task context switch !! 360 is a baby-AT size, and runs from a standard PC power supply. It has
>> 361 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 362 2 versions, with either PS/2 or large DIN connectors for the
>> 363 keyboard.
>> 364
>> 365 config ALPHA_EV4
>> 366 bool
>> 367 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
>> 368 default y if !ALPHA_LYNX
334 369
335 config ARC_CANT_LLSC !! 370 config ALPHA_LCA
336 def_bool n !! 371 bool
>> 372 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 373 default y
337 374
338 config ARC_HAS_LLSC !! 375 config ALPHA_APECS
339 bool "Insn: LLOCK/SCOND (efficient ato !! 376 bool
>> 377 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
340 default y 378 default y
341 depends on !ARC_CANT_LLSC <<
342 379
343 config ARC_HAS_SWAPE !! 380 config ALPHA_EB64P
344 bool "Insn: SWAPE (endian-swap)" !! 381 bool
>> 382 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
345 default y 383 default y
>> 384 help
>> 385 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 386 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 387 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 388 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 389 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 390 Runs from standard PC power supply.
346 391
347 if ISA_ARCV2 !! 392 config ALPHA_EV5
>> 393 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 394 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
348 395
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 396 config ALPHA_EV4
350 bool "Enable unaligned access in HW" !! 397 bool
>> 398 default y if ALPHA_LYNX && !ALPHA_EV5
>> 399
>> 400 config ALPHA_CIA
>> 401 bool
>> 402 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 403 default y
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 404
>> 405 config ALPHA_EV56
>> 406 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 407 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 408
>> 409 config ALPHA_EV56
>> 410 prompt "EV56 CPU (speed >= 333MHz)?"
>> 411 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 412
>> 413 config ALPHA_EV56
>> 414 prompt "EV56 CPU (speed >= 400MHz)?"
>> 415 depends on ALPHA_RAWHIDE
>> 416
>> 417 config ALPHA_PRIMO
>> 418 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 419 depends on ALPHA_NORITAKE || ALPHA_MIKASA
353 help 420 help
354 The ARC HS architecture supports una !! 421 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 <<
357 422
358 config ARC_HAS_LL64 !! 423 config ALPHA_GAMMA
359 bool "Insn: 64bit LDD/STD" !! 424 bool "EV5 CPU(s) (model 5/xxx)?"
>> 425 depends on ALPHA_SABLE
360 help 426 help
361 Enable gcc to generate 64-bit load/s !! 427 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
362 ISA mandates even/odd registers to a !! 428
363 dest operands with 2 possible source !! 429 config ALPHA_GAMMA
>> 430 bool
>> 431 depends on ALPHA_LYNX
364 default y 432 default y
365 433
366 config ARC_HAS_DIV_REM !! 434 config ALPHA_T2
367 bool "Insn: div, divu, rem, remu" !! 435 bool
>> 436 depends on ALPHA_SABLE || ALPHA_LYNX
368 default y 437 default y
369 438
370 config ARC_HAS_ACCL_REGS !! 439 config ALPHA_PYXIS
371 bool "Reg Pair ACCL:ACCH (FPU and/or M !! 440 bool
>> 441 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
372 default y 442 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 <<
377 443
378 config ARC_DSP_HANDLED !! 444 config ALPHA_EV6
379 def_bool n !! 445 bool
>> 446 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 447 default y
380 448
381 config ARC_DSP_SAVE_RESTORE_REGS !! 449 config ALPHA_TSUNAMI
382 def_bool n !! 450 bool
>> 451 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 452 default y
383 453
384 choice !! 454 config ALPHA_EV67
385 prompt "DSP support" !! 455 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
386 default ARC_DSP_NONE !! 456 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
387 help 457 help
388 Depending on the configuration, CPU !! 458 Is this a machine based on the EV67 core? If in doubt, select N here
389 (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_ !! 459 and the machine will be treated as an EV6.
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 <<
422 DSP and AGU extensions presence in H <<
423 and AGU registers to run DSP-enabled <<
424 endchoice <<
425 460
426 config ARC_IRQ_NO_AUTOSAVE !! 461 config ALPHA_MCPCIA
427 bool "Disable hardware autosave regfil !! 462 bool
428 default n !! 463 depends on ALPHA_RAWHIDE
>> 464 default y
>> 465
>> 466 config ALPHA_POLARIS
>> 467 bool
>> 468 depends on ALPHA_RX164
>> 469 default y
>> 470
>> 471 config ALPHA_IRONGATE
>> 472 bool
>> 473 depends on ALPHA_NAUTILUS
>> 474 default y
>> 475
>> 476 config GENERIC_HWEIGHT
>> 477 bool
>> 478 default y if !ALPHA_EV67
>> 479
>> 480 config ALPHA_AVANTI
>> 481 bool
>> 482 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 483 default y
429 help 484 help
430 On HS cores, taken interrupt auto sa !! 485 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
431 This is programmable and can be opti !! 486 Alphas. Info at
432 software INTERRUPT_PROLOGUE/EPILGUE !! 487 <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 <<
512 488
513 config HZ !! 489 config ALPHA_BROKEN_IRQ_MASK
514 int "Timer Frequency" !! 490 bool
515 default 100 !! 491 depends on ALPHA_GENERIC || ALPHA_PC164
>> 492 default y
516 493
517 config ARC_METAWARE_HLINK !! 494 config VGA_HOSE
518 bool "Support for Metaware debugger as !! 495 bool
>> 496 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 497 default y
519 help 498 help
520 This options allows a Linux userland !! 499 Support VGA on an arbitrary hose; needed for several platforms
521 host file system (open/creat/read/wr !! 500 which always have multiple hoses, and whose consoles support it.
522 Metaware Debugger. This can come in !! 501
523 when there is no real usable periphe !! 502
>> 503 config ALPHA_QEMU
>> 504 bool "Run under QEMU emulation"
>> 505 depends on !ALPHA_GENERIC
>> 506 ---help---
>> 507 Assume the presence of special features supported by QEMU PALcode
>> 508 that reduce the overhead of system emulation.
>> 509
>> 510 Generic kernels will auto-detect QEMU. But when building a
>> 511 system-specific kernel, the assumption is that we want to
>> 512 eliminate as many runtime tests as possible.
>> 513
>> 514 If unsure, say N.
>> 515
>> 516
>> 517 config ALPHA_SRM
>> 518 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
>> 519 depends on TTY
>> 520 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
>> 521 ---help---
>> 522 There are two different types of booting firmware on Alphas: SRM,
>> 523 which is command line driven, and ARC, which uses menus and arrow
>> 524 keys. Details about the Linux/Alpha booting process are contained in
>> 525 the Linux/Alpha FAQ, accessible on the WWW from
>> 526 <http://www.alphalinux.org/>.
>> 527
>> 528 The usual way to load Linux on an Alpha machine is to use MILO
>> 529 (a bootloader that lets you pass command line parameters to the
>> 530 kernel just like lilo does for the x86 architecture) which can be
>> 531 loaded either from ARC or can be installed directly as a permanent
>> 532 firmware replacement from floppy (which requires changing a certain
>> 533 jumper on the motherboard). If you want to do either of these, say N
>> 534 here. If MILO doesn't work on your system (true for Jensen
>> 535 motherboards), you can bypass it altogether and boot Linux directly
>> 536 from an SRM console; say Y here in order to do that. Note that you
>> 537 won't be able to boot from an IDE disk using SRM.
524 538
525 menuconfig ARC_DBG !! 539 If unsure, say N.
526 bool "ARC debugging" !! 540
>> 541 config EISA
>> 542 bool
>> 543 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
527 default y 544 default y
528 545
529 if ARC_DBG !! 546 config ARCH_MAY_HAVE_PC_FDC
>> 547 def_bool y
530 548
531 config ARC_DW2_UNWIND !! 549 config SMP
532 bool "Enable DWARF specific kernel sta !! 550 bool "Symmetric multi-processing support"
>> 551 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 552 ---help---
>> 553 This enables support for systems with more than one CPU. If you have
>> 554 a system with only one CPU, say N. If you have a system with more
>> 555 than one CPU, say Y.
>> 556
>> 557 If you say N here, the kernel will run on uni- and multiprocessor
>> 558 machines, but will use only one CPU of a multiprocessor machine. If
>> 559 you say Y here, the kernel will run on many, but not all,
>> 560 uniprocessor machines. On a uniprocessor machine, the kernel
>> 561 will run faster if you say N here.
>> 562
>> 563 See also the SMP-HOWTO available at
>> 564 <http://www.tldp.org/docs.html#howto>.
>> 565
>> 566 If you don't know what to do here, say N.
>> 567
>> 568 config HAVE_DEC_LOCK
>> 569 bool
>> 570 depends on SMP
533 default y 571 default y
534 select KALLSYMS <<
535 help <<
536 Compiles the kernel with DWARF unwin <<
537 to get stack backtraces. <<
538 572
539 If you say Y here the resulting kern !! 573 config NR_CPUS
540 but not slower, and it will give ver !! 574 int "Maximum number of CPUs (2-32)"
541 If you don't debug the kernel, you c !! 575 range 2 32
542 to solve problems without frame unwi !! 576 depends on SMP
>> 577 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 578 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 579 help
>> 580 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 581 with working support have a maximum of 4 CPUs.
>> 582
>> 583 config ARCH_DISCONTIGMEM_ENABLE
>> 584 bool "Discontiguous Memory Support"
>> 585 help
>> 586 Say Y to support efficient handling of discontiguous physical memory,
>> 587 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 588 or have huge holes in the physical address space for other reasons.
>> 589 See <file:Documentation/vm/numa> for more.
>> 590
>> 591 source "mm/Kconfig"
>> 592
>> 593 config NUMA
>> 594 bool "NUMA Support (EXPERIMENTAL)"
>> 595 depends on DISCONTIGMEM && BROKEN
>> 596 help
>> 597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 598 Access). This option is for configuring high-end multiprocessor
>> 599 server machines. If in doubt, say N.
>> 600
>> 601 config ALPHA_WTINT
>> 602 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 603 default y if ALPHA_QEMU
>> 604 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 605 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 606 default y if SMP
>> 607 ---help---
>> 608 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 609 to sleep until the next interrupt. This may reduce the power
>> 610 consumed, and the heat produced by the computer. However, it has
>> 611 the side effect of making the cycle counter unreliable as a timing
>> 612 device across the sleep.
>> 613
>> 614 For emulation under QEMU, definitely say Y here, as we have other
>> 615 mechanisms for measuring time than the cycle counter.
>> 616
>> 617 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 618 MILO, sleep mode is not supported so you might as well say N here.
>> 619
>> 620 For SMP systems we cannot use the cycle counter for timing anyway,
>> 621 so you might as well say Y here.
>> 622
>> 623 If unsure, say N.
>> 624
>> 625 config NODES_SHIFT
>> 626 int
>> 627 default "7"
>> 628 depends on NEED_MULTIPLE_NODES
>> 629
>> 630 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 631 config ALPHA_LARGE_VMALLOC
>> 632 bool
>> 633 ---help---
>> 634 Process creation and other aspects of virtual memory management can
>> 635 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 636 allocations. This equates to about 8GB.
>> 637
>> 638 Under normal circumstances, this is so far and above what is needed
>> 639 as to be laughable. However, there are certain applications (such
>> 640 as benchmark-grade in-kernel web serving) that can make use of as
>> 641 much vmalloc space as is available.
>> 642
>> 643 Say N unless you know you need gobs and gobs of vmalloc space.
>> 644
>> 645 config VERBOSE_MCHECK
>> 646 bool "Verbose Machine Checks"
>> 647
>> 648 config VERBOSE_MCHECK_ON
>> 649 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 650 depends on VERBOSE_MCHECK
>> 651 default 1
>> 652 ---help---
>> 653 This option allows the default printing mode to be set, and then
>> 654 possibly overridden by a boot command argument.
>> 655
>> 656 For example, if one wanted the option of printing verbose
>> 657 machine checks, but wanted the default to be as if verbose
>> 658 machine check printing was turned off, then one would choose
>> 659 the printing mode to be 0. Then, upon reboot, one could add
>> 660 the boot command line "verbose_mcheck=1" to get the normal
>> 661 verbose machine check printing, or "verbose_mcheck=2" to get
>> 662 the maximum information available.
543 663
544 config ARC_DBG_JUMP_LABEL !! 664 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 <<
552 665
553 config ARC_BUILTIN_DTB_NAME !! 666 choice
554 string "Built in DTB" !! 667 prompt "Timer interrupt frequency (HZ)?"
555 help !! 668 default HZ_128 if ALPHA_QEMU
556 Set the name of the DTB to embed in !! 669 default HZ_1200 if ALPHA_RAWHIDE
557 Leaving it blank selects the "nsim_7 !! 670 default HZ_1024
>> 671 ---help---
>> 672 The frequency at which timer interrupts occur. A high frequency
>> 673 minimizes latency, whereas a low frequency minimizes overhead of
>> 674 process accounting. The later effect is especially significant
>> 675 when being run under QEMU.
>> 676
>> 677 Note that some Alpha hardware cannot change the interrupt frequency
>> 678 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 679
>> 680 config HZ_32
>> 681 bool "32 Hz"
>> 682 config HZ_64
>> 683 bool "64 Hz"
>> 684 config HZ_128
>> 685 bool "128 Hz"
>> 686 config HZ_256
>> 687 bool "256 Hz"
>> 688 config HZ_1024
>> 689 bool "1024 Hz"
>> 690 config HZ_1200
>> 691 bool "1200 Hz"
>> 692 endchoice
>> 693
>> 694 config HZ
>> 695 int
>> 696 default 32 if HZ_32
>> 697 default 64 if HZ_64
>> 698 default 128 if HZ_128
>> 699 default 256 if HZ_256
>> 700 default 1200 if HZ_1200
>> 701 default 1024
>> 702
>> 703 source "drivers/pci/Kconfig"
>> 704 source "drivers/eisa/Kconfig"
>> 705
>> 706 source "drivers/pcmcia/Kconfig"
>> 707
>> 708 config SRM_ENV
>> 709 tristate "SRM environment through procfs"
>> 710 depends on PROC_FS
>> 711 ---help---
>> 712 If you enable this option, a subdirectory inside /proc called
>> 713 /proc/srm_environment will give you access to the all important
>> 714 SRM environment variables (those which have a name) and also
>> 715 to all others (by their internal number).
>> 716
>> 717 SRM is something like a BIOS for Alpha machines. There are some
>> 718 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 719 support (hey, that's not SRM!).
>> 720
>> 721 Despite the fact that this driver doesn't work on all Alphas (but
>> 722 only on those which have SRM as their firmware), it's save to
>> 723 build it even if your particular machine doesn't know about SRM
>> 724 (or if you intend to compile a generic kernel). It will simply
>> 725 not create those subdirectory in /proc (and give you some warning,
>> 726 of course).
>> 727
>> 728 This driver is also available as a module and will be called
>> 729 srm_env then.
>> 730
>> 731 source "fs/Kconfig.binfmt"
>> 732
>> 733 endmenu
>> 734
>> 735 source "net/Kconfig"
>> 736
>> 737 source "drivers/Kconfig"
>> 738
>> 739 source "fs/Kconfig"
>> 740
>> 741 source "arch/alpha/Kconfig.debug"
>> 742
>> 743 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 744 # but we also need it if VGA_HOSE is set
>> 745 config DUMMY_CONSOLE
>> 746 bool
>> 747 depends on VGA_HOSE
>> 748 default y
>> 749
>> 750 source "security/Kconfig"
558 751
559 endmenu # "ARC Architecture Configuration" !! 752 source "crypto/Kconfig"
560 753
561 config ARCH_FORCE_MAX_ORDER !! 754 source "lib/Kconfig"
562 int "Maximum zone order" <<
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 755
566 source "kernel/power/Kconfig" <<
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