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 ARCH_MIGHT_HAVE_PC_PARPORT
5 !! 5 select ARCH_MIGHT_HAVE_PC_SERIO
6 config ARC !! 6 select ARCH_USE_CMPXCHG_LOCKREF
7 def_bool y !! 7 select HAVE_AOUT
8 select ARC_TIMERS !! 8 select HAVE_IDE
9 select ARCH_HAS_CACHE_LINE_SIZE !! 9 select HAVE_OPROFILE
10 select ARCH_HAS_DEBUG_VM_PGTABLE !! 10 select HAVE_PCSPKR_PLATFORM
11 select ARCH_HAS_DMA_PREP_COHERENT !! 11 select HAVE_PERF_EVENTS
12 select ARCH_HAS_PTE_SPECIAL !! 12 select HAVE_DMA_ATTRS
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_OPTIONAL_GPIOLIB
27 select GENERIC_PENDING_IRQ if SMP !! 18 select ARCH_WANT_IPC_PARSE_VERSION
28 select GENERIC_SCHED_CLOCK !! 19 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 20 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
>> 21 select AUDIT_ARCH
>> 22 select GENERIC_CLOCKEVENTS
29 select GENERIC_SMP_IDLE_THREAD 23 select GENERIC_SMP_IDLE_THREAD
30 select GENERIC_IOREMAP !! 24 select GENERIC_STRNCPY_FROM_USER
31 select GENERIC_STRNCPY_FROM_USER if MM !! 25 select GENERIC_STRNLEN_USER
32 select GENERIC_STRNLEN_USER if MMU !! 26 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 27 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 28 select MODULES_USE_ELF_RELA
50 select OF !! 29 select ODD_RT_SIGACTION
51 select OF_EARLY_FLATTREE !! 30 select OLD_SIGSUSPEND
52 select PCI_SYSCALL if PCI !! 31 help
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC !! 32 The Alpha is a 64-bit general-purpose processor designed and
54 select TRACE_IRQFLAGS_SUPPORT !! 33 marketed by the Digital Equipment Corporation of blessed memory,
55 select HAVE_EBPF_JIT if ISA_ARCV2 !! 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 The original ARC ISA of ARC600/700 c <<
104 103
105 config ISA_ARCV2 !! 104 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
106 bool "ARC ISA v2" !! 105 Alpha-XL XL-233, XL-266
107 select ARC_TIMERS_64BIT !! 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
>> 131
>> 132 If you don't know what to do, choose "generic".
>> 133
>> 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 <<
209 default "6" <<
210 help 213 help
211 Starting with ARC700 4.9, Cache line !! 214 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
212 This option specifies "N", with Line !! 215 of the first-generation Alpha systems. A number of these systems
213 So line lengths of 32, 64, 128 are s !! 216 seem to be available on the second- hand market. The Jensen is a
214 Linux only supports same line length !! 217 floor-standing tower system which originally used a 150MHz 21064 It
>> 218 used programmable logic to interface a 486 EISA I/O bridge to the
>> 219 CPU.
215 220
216 config ARC_HAS_ICACHE !! 221 config ALPHA_LX164
217 bool "Use Instruction Cache" !! 222 bool "LX164"
218 default y !! 223 help
>> 224 A technical overview of this board is available at
>> 225 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
219 226
220 config ARC_HAS_DCACHE !! 227 config ALPHA_LYNX
221 bool "Use Data Cache" !! 228 bool "Lynx"
222 default y !! 229 help
>> 230 AlphaServer 2100A-based systems.
223 231
224 config ARC_CACHE_PAGES !! 232 config ALPHA_MARVEL
225 bool "Per Page Cache Control" !! 233 bool "Marvel"
226 default y <<
227 depends on ARC_HAS_ICACHE || ARC_HAS_D <<
228 help 234 help
229 This can be used to over-ride the gl !! 235 AlphaServer ES47 / ES80 / GS1280 based on EV7.
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
236 endif #ARC_CACHE !! 237 config ALPHA_MIATA
>> 238 bool "Miata"
>> 239 help
>> 240 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 241 or 600au).
>> 242
>> 243 config ALPHA_MIKASA
>> 244 bool "Mikasa"
>> 245 help
>> 246 AlphaServer 1000-based Alpha systems.
237 247
238 config ARC_HAS_ICCM !! 248 config ALPHA_NAUTILUS
239 bool "Use ICCM" !! 249 bool "Nautilus"
240 help 250 help
241 Single Cycle RAMS to store Fast Path !! 251 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
242 252
243 config ARC_ICCM_SZ !! 253 config ALPHA_NONAME_CH
244 int "ICCM Size in KB" !! 254 bool "Noname"
245 default "64" <<
246 depends on ARC_HAS_ICCM <<
247 255
248 config ARC_HAS_DCCM !! 256 config ALPHA_NORITAKE
249 bool "Use DCCM" !! 257 bool "Noritake"
250 help 258 help
251 Single Cycle RAMS to store Fast Path !! 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
252 261
253 config ARC_DCCM_SZ !! 262 config ALPHA_PC164
254 int "DCCM Size in KB" !! 263 bool "PC164"
255 default "64" <<
256 depends on ARC_HAS_DCCM <<
257 264
258 config ARC_DCCM_BASE !! 265 config ALPHA_P2K
259 hex "DCCM map address" !! 266 bool "Platform2000"
260 default "0xA0000000" <<
261 depends on ARC_HAS_DCCM <<
262 267
263 choice !! 268 config ALPHA_RAWHIDE
264 prompt "MMU Version" !! 269 bool "Rawhide"
265 default ARC_MMU_V3 if ISA_ARCOMPACT !! 270 help
266 default ARC_MMU_V4 if ISA_ARCV2 !! 271 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
267 !! 272 See HOWTO at
268 config ARC_MMU_V3 !! 273 <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 <<
279 274
280 endchoice !! 275 config ALPHA_RUFFIAN
>> 276 bool "Ruffian"
>> 277 help
>> 278 Samsung APC164UX. There is a page on known problems and workarounds
>> 279 at <http://www.alphalinux.org/faq/FAQ-11.html>.
281 280
>> 281 config ALPHA_RX164
>> 282 bool "RX164"
282 283
283 choice !! 284 config ALPHA_SX164
284 prompt "MMU Page Size" !! 285 bool "SX164"
285 default ARC_PAGE_SIZE_8K <<
286 286
287 config ARC_PAGE_SIZE_8K !! 287 config ALPHA_SABLE
288 bool "8KB" !! 288 bool "Sable"
289 select HAVE_PAGE_SIZE_8KB !! 289 help
290 help !! 290 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 <<
301 291
302 endchoice !! 292 config ALPHA_SHARK
>> 293 bool "Shark"
303 294
304 choice !! 295 config ALPHA_TAKARA
305 prompt "MMU Super Page Size" !! 296 bool "Takara"
306 depends on ISA_ARCV2 && TRANSPARENT_HU !! 297 help
307 default ARC_HUGEPAGE_2M !! 298 Alpha 11164-based OEM single-board computer.
308 299
309 config ARC_HUGEPAGE_2M !! 300 config ALPHA_TITAN
310 bool "2MB" !! 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
311 304
312 config ARC_HUGEPAGE_16M !! 305 config ALPHA_WILDFIRE
313 bool "16MB" !! 306 bool "Wildfire"
>> 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
314 309
315 endchoice 310 endchoice
316 311
317 config PGTABLE_LEVELS !! 312 # clear all implied options (don't want default values for those):
318 int "Number of Page table levels" !! 313 # Most of these machines have ISA slots; not exactly sure which don't,
319 default 2 !! 314 # and this doesn't activate hordes of code, so do it always.
>> 315 config ISA
>> 316 bool
>> 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 324
>> 325 config ISA_DMA_API
>> 326 bool
>> 327 default y
>> 328
>> 329 config PCI
>> 330 bool
>> 331 depends on !ALPHA_JENSEN
>> 332 select GENERIC_PCI_IOMAP
>> 333 default y
>> 334 help
>> 335 Find out whether you have a PCI motherboard. PCI is the name of a
>> 336 bus system, i.e. the way the CPU talks to the other stuff inside
>> 337 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 338 VESA. If you have PCI, say Y, otherwise N.
>> 339
>> 340 config PCI_DOMAINS
>> 341 bool
>> 342 default y
320 343
321 config ARC_COMPACT_IRQ_LEVELS !! 344 config PCI_SYSCALL
322 depends on ISA_ARCOMPACT !! 345 def_bool PCI
323 bool "Setup Timer IRQ as high Priority <<
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 346
327 config ARC_FPU_SAVE_RESTORE !! 347 config IOMMU_HELPER
328 bool "Enable FPU state persistence acr !! 348 def_bool PCI
>> 349
>> 350 config ALPHA_NONAME
>> 351 bool
>> 352 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 353 default y
329 help 354 help
330 ARCompact FPU has internal registers !! 355 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
331 Floating Point operations. There are !! 356 UDB). This design was produced by Digital's Technical OEM (TOEM)
332 for floating point exceptions and ro !! 357 group. It uses the 21066 processor running at 166MHz or 233MHz. It
333 preserved across task context switch !! 358 is a baby-AT size, and runs from a standard PC power supply. It has
>> 359 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 360 2 versions, with either PS/2 or large DIN connectors for the
>> 361 keyboard.
334 362
335 config ARC_CANT_LLSC !! 363 config ALPHA_EV4
336 def_bool n !! 364 bool
>> 365 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
>> 366 default y if !ALPHA_LYNX
>> 367
>> 368 config ALPHA_LCA
>> 369 bool
>> 370 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 371 default y
337 372
338 config ARC_HAS_LLSC !! 373 config ALPHA_APECS
339 bool "Insn: LLOCK/SCOND (efficient ato !! 374 bool
>> 375 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
340 default y 376 default y
341 depends on !ARC_CANT_LLSC <<
342 377
343 config ARC_HAS_SWAPE !! 378 config ALPHA_EB64P
344 bool "Insn: SWAPE (endian-swap)" !! 379 bool
>> 380 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
345 default y 381 default y
>> 382 help
>> 383 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 384 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 385 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 386 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 387 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 388 Runs from standard PC power supply.
>> 389
>> 390 config ALPHA_EV5
>> 391 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 392 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
346 393
347 if ISA_ARCV2 !! 394 config ALPHA_EV4
>> 395 bool
>> 396 default y if ALPHA_LYNX && !ALPHA_EV5
348 397
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 398 config ALPHA_CIA
350 bool "Enable unaligned access in HW" !! 399 bool
>> 400 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 401 default y
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 402
>> 403 config ALPHA_EV56
>> 404 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 405 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 406
>> 407 config ALPHA_EV56
>> 408 prompt "EV56 CPU (speed >= 333MHz)?"
>> 409 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 410
>> 411 config ALPHA_EV56
>> 412 prompt "EV56 CPU (speed >= 400MHz)?"
>> 413 depends on ALPHA_RAWHIDE
>> 414
>> 415 config ALPHA_PRIMO
>> 416 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 417 depends on ALPHA_NORITAKE || ALPHA_MIKASA
353 help 418 help
354 The ARC HS architecture supports una !! 419 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 <<
357 420
358 config ARC_HAS_LL64 !! 421 config ALPHA_GAMMA
359 bool "Insn: 64bit LDD/STD" !! 422 bool "EV5 CPU(s) (model 5/xxx)?"
>> 423 depends on ALPHA_SABLE
360 help 424 help
361 Enable gcc to generate 64-bit load/s !! 425 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
362 ISA mandates even/odd registers to a !! 426
363 dest operands with 2 possible source !! 427 config ALPHA_GAMMA
>> 428 bool
>> 429 depends on ALPHA_LYNX
364 default y 430 default y
365 431
366 config ARC_HAS_DIV_REM !! 432 config ALPHA_T2
367 bool "Insn: div, divu, rem, remu" !! 433 bool
>> 434 depends on ALPHA_SABLE || ALPHA_LYNX
368 default y 435 default y
369 436
370 config ARC_HAS_ACCL_REGS !! 437 config ALPHA_PYXIS
371 bool "Reg Pair ACCL:ACCH (FPU and/or M !! 438 bool
>> 439 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
372 default y 440 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 <<
377 441
378 config ARC_DSP_HANDLED !! 442 config ALPHA_EV6
379 def_bool n !! 443 bool
>> 444 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 445 default y
380 446
381 config ARC_DSP_SAVE_RESTORE_REGS !! 447 config ALPHA_TSUNAMI
382 def_bool n !! 448 bool
>> 449 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 450 default y
383 451
384 choice !! 452 config ALPHA_EV67
385 prompt "DSP support" !! 453 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
386 default ARC_DSP_NONE !! 454 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 455 help
422 DSP and AGU extensions presence in H !! 456 Is this a machine based on the EV67 core? If in doubt, select N here
423 and AGU registers to run DSP-enabled !! 457 and the machine will be treated as an EV6.
424 endchoice <<
425 458
426 config ARC_IRQ_NO_AUTOSAVE !! 459 config ALPHA_MCPCIA
427 bool "Disable hardware autosave regfil !! 460 bool
428 default n !! 461 depends on ALPHA_RAWHIDE
>> 462 default y
>> 463
>> 464 config ALPHA_POLARIS
>> 465 bool
>> 466 depends on ALPHA_RX164
>> 467 default y
>> 468
>> 469 config ALPHA_IRONGATE
>> 470 bool
>> 471 depends on ALPHA_NAUTILUS
>> 472 default y
>> 473
>> 474 config GENERIC_HWEIGHT
>> 475 bool
>> 476 default y if !ALPHA_EV67
>> 477
>> 478 config ALPHA_AVANTI
>> 479 bool
>> 480 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 481 default y
429 help 482 help
430 On HS cores, taken interrupt auto sa !! 483 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
431 This is programmable and can be opti !! 484 Alphas. Info at
432 software INTERRUPT_PROLOGUE/EPILGUE !! 485 <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 <<
512 486
513 config HZ !! 487 config ALPHA_BROKEN_IRQ_MASK
514 int "Timer Frequency" !! 488 bool
515 default 100 !! 489 depends on ALPHA_GENERIC || ALPHA_PC164
>> 490 default y
516 491
517 config ARC_METAWARE_HLINK !! 492 config VGA_HOSE
518 bool "Support for Metaware debugger as !! 493 bool
>> 494 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 495 default y
519 help 496 help
520 This options allows a Linux userland !! 497 Support VGA on an arbitrary hose; needed for several platforms
521 host file system (open/creat/read/wr !! 498 which always have multiple hoses, and whose consoles support it.
522 Metaware Debugger. This can come in !! 499
523 when there is no real usable periphe !! 500
>> 501 config ALPHA_QEMU
>> 502 bool "Run under QEMU emulation"
>> 503 depends on !ALPHA_GENERIC
>> 504 ---help---
>> 505 Assume the presence of special features supported by QEMU PALcode
>> 506 that reduce the overhead of system emulation.
>> 507
>> 508 Generic kernels will auto-detect QEMU. But when building a
>> 509 system-specific kernel, the assumption is that we want to
>> 510 elimiate as many runtime tests as possible.
>> 511
>> 512 If unsure, say N.
>> 513
>> 514
>> 515 config ALPHA_SRM
>> 516 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
>> 517 depends on TTY
>> 518 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
>> 519 ---help---
>> 520 There are two different types of booting firmware on Alphas: SRM,
>> 521 which is command line driven, and ARC, which uses menus and arrow
>> 522 keys. Details about the Linux/Alpha booting process are contained in
>> 523 the Linux/Alpha FAQ, accessible on the WWW from
>> 524 <http://www.alphalinux.org/>.
524 525
525 menuconfig ARC_DBG !! 526 The usual way to load Linux on an Alpha machine is to use MILO
526 bool "ARC debugging" !! 527 (a bootloader that lets you pass command line parameters to the
>> 528 kernel just like lilo does for the x86 architecture) which can be
>> 529 loaded either from ARC or can be installed directly as a permanent
>> 530 firmware replacement from floppy (which requires changing a certain
>> 531 jumper on the motherboard). If you want to do either of these, say N
>> 532 here. If MILO doesn't work on your system (true for Jensen
>> 533 motherboards), you can bypass it altogether and boot Linux directly
>> 534 from an SRM console; say Y here in order to do that. Note that you
>> 535 won't be able to boot from an IDE disk using SRM.
>> 536
>> 537 If unsure, say N.
>> 538
>> 539 config EISA
>> 540 bool
>> 541 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
527 default y 542 default y
528 543
529 if ARC_DBG !! 544 config ARCH_MAY_HAVE_PC_FDC
>> 545 def_bool y
530 546
531 config ARC_DW2_UNWIND !! 547 config SMP
532 bool "Enable DWARF specific kernel sta !! 548 bool "Symmetric multi-processing support"
>> 549 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 550 ---help---
>> 551 This enables support for systems with more than one CPU. If you have
>> 552 a system with only one CPU, say N. If you have a system with more
>> 553 than one CPU, say Y.
>> 554
>> 555 If you say N here, the kernel will run on uni- and multiprocessor
>> 556 machines, but will use only one CPU of a multiprocessor machine. If
>> 557 you say Y here, the kernel will run on many, but not all,
>> 558 uniprocessor machines. On a uniprocessor machine, the kernel
>> 559 will run faster if you say N here.
>> 560
>> 561 See also the SMP-HOWTO available at
>> 562 <http://www.tldp.org/docs.html#howto>.
>> 563
>> 564 If you don't know what to do here, say N.
>> 565
>> 566 config HAVE_DEC_LOCK
>> 567 bool
>> 568 depends on SMP
533 default y 569 default y
534 select KALLSYMS <<
535 help <<
536 Compiles the kernel with DWARF unwin <<
537 to get stack backtraces. <<
538 570
539 If you say Y here the resulting kern !! 571 config NR_CPUS
540 but not slower, and it will give ver !! 572 int "Maximum number of CPUs (2-32)"
541 If you don't debug the kernel, you c !! 573 range 2 32
542 to solve problems without frame unwi !! 574 depends on SMP
>> 575 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 576 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 577 help
>> 578 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 579 with working support have a maximum of 4 CPUs.
>> 580
>> 581 config ARCH_DISCONTIGMEM_ENABLE
>> 582 bool "Discontiguous Memory Support"
>> 583 help
>> 584 Say Y to support efficient handling of discontiguous physical memory,
>> 585 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 586 or have huge holes in the physical address space for other reasons.
>> 587 See <file:Documentation/vm/numa> for more.
>> 588
>> 589 source "mm/Kconfig"
>> 590
>> 591 config NUMA
>> 592 bool "NUMA Support (EXPERIMENTAL)"
>> 593 depends on DISCONTIGMEM && BROKEN
>> 594 help
>> 595 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 596 Access). This option is for configuring high-end multiprocessor
>> 597 server machines. If in doubt, say N.
>> 598
>> 599 config ALPHA_WTINT
>> 600 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 601 default y if ALPHA_QEMU
>> 602 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 603 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 604 default y if SMP
>> 605 ---help---
>> 606 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 607 to sleep until the next interrupt. This may reduce the power
>> 608 consumed, and the heat produced by the computer. However, it has
>> 609 the side effect of making the cycle counter unreliable as a timing
>> 610 device across the sleep.
>> 611
>> 612 For emulation under QEMU, definitely say Y here, as we have other
>> 613 mechanisms for measuring time than the cycle counter.
>> 614
>> 615 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 616 MILO, sleep mode is not supported so you might as well say N here.
>> 617
>> 618 For SMP systems we cannot use the cycle counter for timing anyway,
>> 619 so you might as well say Y here.
>> 620
>> 621 If unsure, say N.
>> 622
>> 623 config NODES_SHIFT
>> 624 int
>> 625 default "7"
>> 626 depends on NEED_MULTIPLE_NODES
>> 627
>> 628 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 629 config ALPHA_LARGE_VMALLOC
>> 630 bool
>> 631 ---help---
>> 632 Process creation and other aspects of virtual memory management can
>> 633 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 634 allocations. This equates to about 8GB.
>> 635
>> 636 Under normal circumstances, this is so far and above what is needed
>> 637 as to be laughable. However, there are certain applications (such
>> 638 as benchmark-grade in-kernel web serving) that can make use of as
>> 639 much vmalloc space as is available.
>> 640
>> 641 Say N unless you know you need gobs and gobs of vmalloc space.
>> 642
>> 643 config VERBOSE_MCHECK
>> 644 bool "Verbose Machine Checks"
>> 645
>> 646 config VERBOSE_MCHECK_ON
>> 647 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 648 depends on VERBOSE_MCHECK
>> 649 default 1
>> 650 ---help---
>> 651 This option allows the default printing mode to be set, and then
>> 652 possibly overridden by a boot command argument.
>> 653
>> 654 For example, if one wanted the option of printing verbose
>> 655 machine checks, but wanted the default to be as if verbose
>> 656 machine check printing was turned off, then one would choose
>> 657 the printing mode to be 0. Then, upon reboot, one could add
>> 658 the boot command line "verbose_mcheck=1" to get the normal
>> 659 verbose machine check printing, or "verbose_mcheck=2" to get
>> 660 the maximum information available.
543 661
544 config ARC_DBG_JUMP_LABEL !! 662 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 <<
552 663
553 config ARC_BUILTIN_DTB_NAME !! 664 choice
554 string "Built in DTB" !! 665 prompt "Timer interrupt frequency (HZ)?"
555 help !! 666 default HZ_128 if ALPHA_QEMU
556 Set the name of the DTB to embed in !! 667 default HZ_1200 if ALPHA_RAWHIDE
557 Leaving it blank selects the "nsim_7 !! 668 default HZ_1024
>> 669 ---help---
>> 670 The frequency at which timer interrupts occur. A high frequency
>> 671 minimizes latency, whereas a low frequency minimizes overhead of
>> 672 process accounting. The later effect is especially significant
>> 673 when being run under QEMU.
>> 674
>> 675 Note that some Alpha hardware cannot change the interrupt frequency
>> 676 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 677
>> 678 config HZ_32
>> 679 bool "32 Hz"
>> 680 config HZ_64
>> 681 bool "64 Hz"
>> 682 config HZ_128
>> 683 bool "128 Hz"
>> 684 config HZ_256
>> 685 bool "256 Hz"
>> 686 config HZ_1024
>> 687 bool "1024 Hz"
>> 688 config HZ_1200
>> 689 bool "1200 Hz"
>> 690 endchoice
>> 691
>> 692 config HZ
>> 693 int
>> 694 default 32 if HZ_32
>> 695 default 64 if HZ_64
>> 696 default 128 if HZ_128
>> 697 default 256 if HZ_256
>> 698 default 1200 if HZ_1200
>> 699 default 1024
>> 700
>> 701 source "drivers/pci/Kconfig"
>> 702 source "drivers/eisa/Kconfig"
>> 703
>> 704 source "drivers/pcmcia/Kconfig"
>> 705
>> 706 config SRM_ENV
>> 707 tristate "SRM environment through procfs"
>> 708 depends on PROC_FS
>> 709 ---help---
>> 710 If you enable this option, a subdirectory inside /proc called
>> 711 /proc/srm_environment will give you access to the all important
>> 712 SRM environment variables (those which have a name) and also
>> 713 to all others (by their internal number).
>> 714
>> 715 SRM is something like a BIOS for Alpha machines. There are some
>> 716 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 717 support (hey, that's not SRM!).
>> 718
>> 719 Despite the fact that this driver doesn't work on all Alphas (but
>> 720 only on those which have SRM as their firmware), it's save to
>> 721 build it even if your particular machine doesn't know about SRM
>> 722 (or if you intend to compile a generic kernel). It will simply
>> 723 not create those subdirectory in /proc (and give you some warning,
>> 724 of course).
>> 725
>> 726 This driver is also available as a module and will be called
>> 727 srm_env then.
>> 728
>> 729 source "fs/Kconfig.binfmt"
>> 730
>> 731 endmenu
>> 732
>> 733 source "net/Kconfig"
>> 734
>> 735 source "drivers/Kconfig"
>> 736
>> 737 source "fs/Kconfig"
>> 738
>> 739 source "arch/alpha/Kconfig.debug"
>> 740
>> 741 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 742 # but we also need it if VGA_HOSE is set
>> 743 config DUMMY_CONSOLE
>> 744 bool
>> 745 depends on VGA_HOSE
>> 746 default y
>> 747
>> 748 source "security/Kconfig"
558 749
559 endmenu # "ARC Architecture Configuration" !! 750 source "crypto/Kconfig"
560 751
561 config ARCH_FORCE_MAX_ORDER !! 752 source "lib/Kconfig"
562 int "Maximum zone order" <<
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 753
566 source "kernel/power/Kconfig" <<
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