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