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