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_NO_PREEMPT
8 select ARC_TIMERS !! 8 select ARCH_NO_SG_CHAIN
9 select ARCH_HAS_CACHE_LINE_SIZE !! 9 select ARCH_USE_CMPXCHG_LOCKREF
10 select ARCH_HAS_DEBUG_VM_PGTABLE !! 10 select DMA_OPS if PCI
11 select ARCH_HAS_DMA_PREP_COHERENT !! 11 select FORCE_PCI if !ALPHA_JENSEN
12 select ARCH_HAS_PTE_SPECIAL !! 12 select PCI_DOMAINS if PCI
13 select ARCH_HAS_SETUP_DMA_OPS !! 13 select PCI_SYSCALL if PCI
14 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 14 select HAVE_AOUT
15 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 select HAVE_ASM_MODVERSIONS
16 select ARCH_NEED_CMPXCHG_1_EMU !! 16 select HAVE_IDE
17 select ARCH_SUPPORTS_ATOMIC_RMW if ARC !! 17 select HAVE_OPROFILE
18 select ARCH_32BIT_OFF_T !! 18 select HAVE_PCSPKR_PLATFORM
19 select BUILDTIME_TABLE_SORT !! 19 select HAVE_PERF_EVENTS
20 select CLONE_BACKWARDS !! 20 select NEED_DMA_MAP_STATE
21 select COMMON_CLK !! 21 select NEED_SG_DMA_LENGTH
22 select DMA_DIRECT_REMAP !! 22 select VIRT_TO_BUS
23 select GENERIC_ATOMIC64 if !ISA_ARCV2 !! 23 select GENERIC_IRQ_PROBE
24 # for now, we don't need GENERIC_IRQ_P !! 24 select GENERIC_PCI_IOMAP if PCI
>> 25 select AUTO_IRQ_AFFINITY if SMP
25 select GENERIC_IRQ_SHOW 26 select GENERIC_IRQ_SHOW
26 select GENERIC_PCI_IOMAP !! 27 select ARCH_WANT_IPC_PARSE_VERSION
27 select GENERIC_PENDING_IRQ if SMP !! 28 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select GENERIC_SCHED_CLOCK !! 29 select AUDIT_ARCH
>> 30 select GENERIC_CLOCKEVENTS
>> 31 select GENERIC_CPU_VULNERABILITIES
29 select GENERIC_SMP_IDLE_THREAD 32 select GENERIC_SMP_IDLE_THREAD
30 select GENERIC_IOREMAP !! 33 select GENERIC_STRNCPY_FROM_USER
31 select GENERIC_STRNCPY_FROM_USER if MM !! 34 select GENERIC_STRNLEN_USER
32 select GENERIC_STRNLEN_USER if MMU !! 35 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 36 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 37 select MODULES_USE_ELF_RELA
50 select OF !! 38 select ODD_RT_SIGACTION
51 select OF_EARLY_FLATTREE !! 39 select OLD_SIGSUSPEND
52 select PCI_SYSCALL if PCI !! 40 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC !! 41 select MMU_GATHER_NO_RANGE
54 select TRACE_IRQFLAGS_SUPPORT !! 42 select SET_FS
55 select HAVE_EBPF_JIT if ISA_ARCV2 !! 43 help
>> 44 The Alpha is a 64-bit general-purpose processor designed and
>> 45 marketed by the Digital Equipment Corporation of blessed memory,
>> 46 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 47 <http://www.alphalinux.org/>.
56 48
57 config LOCKDEP_SUPPORT !! 49 config 64BIT
58 def_bool y 50 def_bool y
59 51
60 config SCHED_OMIT_FRAME_POINTER !! 52 config MMU
61 def_bool y !! 53 bool
>> 54 default y
62 55
63 config GENERIC_CSUM !! 56 config ARCH_HAS_ILOG2_U32
64 def_bool y !! 57 bool
>> 58 default n
65 59
66 config ARCH_FLATMEM_ENABLE !! 60 config ARCH_HAS_ILOG2_U64
67 def_bool y !! 61 bool
>> 62 default n
68 63
69 config MMU !! 64 config GENERIC_CALIBRATE_DELAY
70 def_bool y !! 65 bool
>> 66 default y
71 67
72 config NO_IOPORT_MAP !! 68 config ZONE_DMA
73 def_bool y !! 69 bool
>> 70 default y
74 71
75 config GENERIC_CALIBRATE_DELAY !! 72 config GENERIC_ISA_DMA
76 def_bool y !! 73 bool
>> 74 default y
77 75
78 config GENERIC_HWEIGHT !! 76 config PGTABLE_LEVELS
79 def_bool y !! 77 int
>> 78 default 3
80 79
81 config STACKTRACE_SUPPORT !! 80 config AUDIT_ARCH
82 def_bool y !! 81 bool
83 select STACKTRACE <<
84 82
85 menu "ARC Architecture Configuration" !! 83 menu "System setup"
86 84
87 menu "ARC Platform/SoC/Board" !! 85 choice
>> 86 prompt "Alpha system type"
>> 87 default ALPHA_GENERIC
>> 88 help
>> 89 This is the system type of your hardware. A "generic" kernel will
>> 90 run on any supported Alpha system. However, if you configure a
>> 91 kernel for your specific system, it will be faster and smaller.
88 92
89 source "arch/arc/plat-tb10x/Kconfig" !! 93 To find out what type of Alpha system you have, you may want to
90 source "arch/arc/plat-axs10x/Kconfig" !! 94 check out the Linux/Alpha FAQ, accessible on the WWW from
91 source "arch/arc/plat-hsdk/Kconfig" !! 95 <http://www.alphalinux.org/>. In summary:
92 96
93 endmenu !! 97 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 98 Alpha-XL XL-233, XL-266
>> 99 AlphaBook1 Alpha laptop
>> 100 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 101 Cabriolet AlphaPC64, AlphaPCI64
>> 102 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 103 EB164 EB164 21164 evaluation board
>> 104 EB64+ EB64+ 21064 evaluation board
>> 105 EB66 EB66 21066 evaluation board
>> 106 EB66+ EB66+ 21066 evaluation board
>> 107 Jensen DECpc 150, DEC 2000 models 300, 500
>> 108 LX164 AlphaPC164-LX
>> 109 Lynx AS 2100A
>> 110 Miata Personal Workstation 433/500/600 a/au
>> 111 Marvel AlphaServer ES47 / ES80 / GS1280
>> 112 Mikasa AS 1000
>> 113 Noname AXPpci33, UDB (Multia)
>> 114 Noritake AS 1000A, AS 600A, AS 800
>> 115 PC164 AlphaPC164
>> 116 Rawhide AS 1200, AS 4000, AS 4100
>> 117 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 118 SX164 AlphaPC164-SX
>> 119 Sable AS 2000, AS 2100
>> 120 Shark DS 20L
>> 121 Takara Takara (OEM)
>> 122 Titan AlphaServer ES45 / DS25 / DS15
>> 123 Wildfire AlphaServer GS 40/80/160/320
94 124
95 choice !! 125 If you don't know what to do, choose "generic".
96 prompt "ARC Instruction Set" <<
97 default ISA_ARCV2 <<
98 126
99 config ISA_ARCOMPACT !! 127 config ALPHA_GENERIC
100 bool "ARCompact ISA" !! 128 bool "Generic"
101 select CPU_NO_EFFICIENT_FFS !! 129 depends on TTY
>> 130 select HAVE_EISA
102 help 131 help
103 The original ARC ISA of ARC600/700 c !! 132 A generic kernel will run on all supported Alpha hardware.
104 133
105 config ISA_ARCV2 !! 134 config ALPHA_ALCOR
106 bool "ARC ISA v2" !! 135 bool "Alcor/Alpha-XLT"
107 select ARC_TIMERS_64BIT !! 136 select HAVE_EISA
108 help 137 help
109 ISA for the Next Generation ARC-HS c !! 138 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
110 !! 139 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
111 endchoice !! 140 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 141 controller (256-bit memory bus) and a PCI interface. It also does
>> 142 all the work required to support an external Bcache and to maintain
>> 143 memory coherence when a PCI device DMAs into (or out of) memory.
112 144
113 menu "ARC CPU Configuration" !! 145 config ALPHA_XL
>> 146 bool "Alpha-XL"
>> 147 help
>> 148 XL-233 and XL-266-based Alpha systems.
114 149
115 choice !! 150 config ALPHA_BOOK1
116 prompt "ARC Core" !! 151 bool "AlphaBook1"
117 default ARC_CPU_770 if ISA_ARCOMPACT !! 152 help
118 default ARC_CPU_HS if ISA_ARCV2 !! 153 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... <<
150 154
151 endchoice !! 155 config ALPHA_AVANTI_CH
>> 156 bool "Avanti"
152 157
153 config ARC_TUNE_MCPU !! 158 config ALPHA_CABRIOLET
154 string "Override default -mcpu compile !! 159 bool "Cabriolet"
155 default "" !! 160 help
156 help !! 161 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
157 Override default -mcpu=xxx compiler !! 162 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
158 the ISA version) with the specified !! 163 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
159 NOTE: If specified flag isn't suppor !! 164 Bcache SIMMs. Requires power supply with 3.3V output.
160 ISA default value will be used as a <<
161 165
162 config CPU_BIG_ENDIAN !! 166 config ALPHA_DP264
163 bool "Enable Big Endian Mode" !! 167 bool "DP264"
164 help 168 help
165 Build kernel for Big Endian Mode of !! 169 Various 21264 systems with the tsunami core logic chipset.
>> 170 API Networks: 264DP, UP2000(+), CS20;
>> 171 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
166 172
167 config SMP !! 173 config ALPHA_EB164
168 bool "Symmetric Multi-Processing" !! 174 bool "EB164"
169 select ARC_MCIP if ISA_ARCV2 <<
170 help 175 help
171 This enables support for systems wit !! 176 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 177 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 178 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 179 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 180 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 181 motherboard. Requires power supply with 3.3V output.
172 182
173 if SMP !! 183 config ALPHA_EB64P_CH
>> 184 bool "EB64+"
174 185
175 config NR_CPUS !! 186 config ALPHA_EB66
176 int "Maximum number of CPUs (2-4096)" !! 187 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 188 help
196 This IP block enables SMP in ARC-HS3 !! 189 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
197 It provides for cross-core interrupt !! 190 identical to EB64+. Baby PC-AT size. Runs from standard PC power
198 hardware semaphores, shared memory,. !! 191 supply. The EB66 schematic was published as a marketing poster
>> 192 advertising the 21066 as "the first microprocessor in the world with
>> 193 embedded PCI".
199 194
200 menuconfig ARC_CACHE !! 195 config ALPHA_EB66P
201 bool "Enable Cache Support" !! 196 bool "EB66+"
202 default y !! 197 help
>> 198 Later variant of the EB66 board.
203 199
204 if ARC_CACHE !! 200 config ALPHA_EIGER
>> 201 bool "Eiger"
>> 202 help
>> 203 Apparently an obscure OEM single-board computer based on the
>> 204 Typhoon/Tsunami chipset family. Information on it is scanty.
205 205
206 config ARC_CACHE_LINE_SHIFT !! 206 config ALPHA_JENSEN
207 int "Cache Line Length (as power of 2) !! 207 bool "Jensen"
208 range 5 7 !! 208 depends on BROKEN
209 default "6" !! 209 select HAVE_EISA
210 help 210 help
211 Starting with ARC700 4.9, Cache line !! 211 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
212 This option specifies "N", with Line !! 212 of the first-generation Alpha systems. A number of these systems
213 So line lengths of 32, 64, 128 are s !! 213 seem to be available on the second- hand market. The Jensen is a
214 Linux only supports same line length !! 214 floor-standing tower system which originally used a 150MHz 21064 It
>> 215 used programmable logic to interface a 486 EISA I/O bridge to the
>> 216 CPU.
215 217
216 config ARC_HAS_ICACHE !! 218 config ALPHA_LX164
217 bool "Use Instruction Cache" !! 219 bool "LX164"
218 default y !! 220 help
>> 221 A technical overview of this board is available at
>> 222 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
219 223
220 config ARC_HAS_DCACHE !! 224 config ALPHA_LYNX
221 bool "Use Data Cache" !! 225 bool "Lynx"
222 default y !! 226 select HAVE_EISA
>> 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 select HAVE_EISA
>> 238 help
>> 239 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 240 or 600au).
>> 241
>> 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"
>> 257 select HAVE_EISA
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 select HAVE_EISA
266 default ARC_MMU_V4 if ISA_ARCV2 !! 271 help
267 !! 272 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
268 config ARC_MMU_V3 !! 273 See HOWTO at
269 bool "MMU v3" !! 274 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
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 <<
279 275
280 endchoice !! 276 config ALPHA_RUFFIAN
>> 277 bool "Ruffian"
>> 278 help
>> 279 Samsung APC164UX. There is a page on known problems and workarounds
>> 280 at <http://www.alphalinux.org/faq/FAQ-11.html>.
281 281
>> 282 config ALPHA_RX164
>> 283 bool "RX164"
282 284
283 choice !! 285 config ALPHA_SX164
284 prompt "MMU Page Size" !! 286 bool "SX164"
285 default ARC_PAGE_SIZE_8K <<
286 287
287 config ARC_PAGE_SIZE_8K !! 288 config ALPHA_SABLE
288 bool "8KB" !! 289 bool "Sable"
289 select HAVE_PAGE_SIZE_8KB !! 290 select HAVE_EISA
290 help !! 291 help
291 Choose between 8k vs 16k !! 292 Digital AlphaServer 2000 and 2100-based systems.
292 <<
293 config ARC_PAGE_SIZE_16K <<
294 select HAVE_PAGE_SIZE_16KB <<
295 bool "16KB" <<
296 <<
297 config ARC_PAGE_SIZE_4K <<
298 bool "4KB" <<
299 select HAVE_PAGE_SIZE_4KB <<
300 depends on ARC_MMU_V3 || ARC_MMU_V4 <<
301 293
302 endchoice !! 294 config ALPHA_SHARK
>> 295 bool "Shark"
303 296
304 choice !! 297 config ALPHA_TAKARA
305 prompt "MMU Super Page Size" !! 298 bool "Takara"
306 depends on ISA_ARCV2 && TRANSPARENT_HU !! 299 help
307 default ARC_HUGEPAGE_2M !! 300 Alpha 11164-based OEM single-board computer.
308 301
309 config ARC_HUGEPAGE_2M !! 302 config ALPHA_TITAN
310 bool "2MB" !! 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
311 306
312 config ARC_HUGEPAGE_16M !! 307 config ALPHA_WILDFIRE
313 bool "16MB" !! 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
314 311
315 endchoice 312 endchoice
316 313
317 config PGTABLE_LEVELS !! 314 # clear all implied options (don't want default values for those):
318 int "Number of Page table levels" !! 315 # Most of these machines have ISA slots; not exactly sure which don't,
319 default 2 !! 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
>> 318 bool
>> 319 default y
>> 320 help
>> 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
320 326
321 config ARC_COMPACT_IRQ_LEVELS !! 327 config ISA_DMA_API
322 depends on ISA_ARCOMPACT !! 328 bool
323 bool "Setup Timer IRQ as high Priority !! 329 default y
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 330
327 config ARC_FPU_SAVE_RESTORE !! 331 config ALPHA_NONAME
328 bool "Enable FPU state persistence acr !! 332 bool
>> 333 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 334 default y
329 help 335 help
330 ARCompact FPU has internal registers !! 336 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
331 Floating Point operations. There are !! 337 UDB). This design was produced by Digital's Technical OEM (TOEM)
332 for floating point exceptions and ro !! 338 group. It uses the 21066 processor running at 166MHz or 233MHz. It
333 preserved across task context switch !! 339 is a baby-AT size, and runs from a standard PC power supply. It has
>> 340 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 341 2 versions, with either PS/2 or large DIN connectors for the
>> 342 keyboard.
>> 343
>> 344 config ALPHA_EV4
>> 345 bool
>> 346 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
>> 347 default y if !ALPHA_LYNX
334 348
335 config ARC_CANT_LLSC !! 349 config ALPHA_LCA
336 def_bool n !! 350 bool
>> 351 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 352 default y
337 353
338 config ARC_HAS_LLSC !! 354 config ALPHA_APECS
339 bool "Insn: LLOCK/SCOND (efficient ato !! 355 bool
>> 356 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
340 default y 357 default y
341 depends on !ARC_CANT_LLSC <<
342 358
343 config ARC_HAS_SWAPE !! 359 config ALPHA_EB64P
344 bool "Insn: SWAPE (endian-swap)" !! 360 bool
>> 361 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
345 default y 362 default y
>> 363 help
>> 364 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 365 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 366 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 367 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 368 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 369 Runs from standard PC power supply.
346 370
347 if ISA_ARCV2 !! 371 config ALPHA_EV5
>> 372 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 373 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
348 374
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 375 config ALPHA_EV4
350 bool "Enable unaligned access in HW" !! 376 bool
>> 377 default y if ALPHA_LYNX && !ALPHA_EV5
>> 378
>> 379 config ALPHA_CIA
>> 380 bool
>> 381 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 382 default y
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 383
>> 384 config ALPHA_EV56
>> 385 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 386 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 387
>> 388 config ALPHA_EV56
>> 389 prompt "EV56 CPU (speed >= 333MHz)?"
>> 390 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 391
>> 392 config ALPHA_EV56
>> 393 prompt "EV56 CPU (speed >= 400MHz)?"
>> 394 depends on ALPHA_RAWHIDE
>> 395
>> 396 config ALPHA_PRIMO
>> 397 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_MIKASA
353 help 399 help
354 The ARC HS architecture supports una !! 400 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 <<
357 401
358 config ARC_HAS_LL64 !! 402 config ALPHA_GAMMA
359 bool "Insn: 64bit LDD/STD" !! 403 bool "EV5 CPU(s) (model 5/xxx)?"
>> 404 depends on ALPHA_SABLE
360 help 405 help
361 Enable gcc to generate 64-bit load/s !! 406 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
362 ISA mandates even/odd registers to a !! 407
363 dest operands with 2 possible source !! 408 config ALPHA_GAMMA
>> 409 bool
>> 410 depends on ALPHA_LYNX
364 default y 411 default y
365 412
366 config ARC_HAS_DIV_REM !! 413 config ALPHA_T2
367 bool "Insn: div, divu, rem, remu" !! 414 bool
>> 415 depends on ALPHA_SABLE || ALPHA_LYNX
368 default y 416 default y
369 417
370 config ARC_HAS_ACCL_REGS !! 418 config ALPHA_PYXIS
371 bool "Reg Pair ACCL:ACCH (FPU and/or M !! 419 bool
>> 420 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
372 default y 421 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 <<
377 422
378 config ARC_DSP_HANDLED !! 423 config ALPHA_EV6
379 def_bool n !! 424 bool
>> 425 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 426 default y
380 427
381 config ARC_DSP_SAVE_RESTORE_REGS !! 428 config ALPHA_TSUNAMI
382 def_bool n !! 429 bool
>> 430 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 431 default y
383 432
384 choice !! 433 config ALPHA_EV67
385 prompt "DSP support" !! 434 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
386 default ARC_DSP_NONE !! 435 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
387 help 436 help
388 Depending on the configuration, CPU !! 437 Is this a machine based on the EV67 core? If in doubt, select N here
389 (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_ !! 438 and the machine will be treated as an EV6.
390 Below are options describing how to !! 439
391 interrupt entry / exit and in contex !! 440 config ALPHA_MCPCIA
392 !! 441 bool
393 config ARC_DSP_NONE !! 442 depends on ALPHA_RAWHIDE
394 bool "No DSP extension presence in HW" !! 443 default y
395 help !! 444
396 No DSP extension presence in HW !! 445 config ALPHA_POLARIS
397 !! 446 bool
398 config ARC_DSP_KERNEL !! 447 depends on ALPHA_RX164
399 bool "DSP extension in HW, no support !! 448 default y
400 select ARC_HAS_ACCL_REGS !! 449
401 select ARC_DSP_HANDLED !! 450 config ALPHA_IRONGATE
402 help !! 451 bool
403 DSP extension presence in HW, no sup !! 452 depends on ALPHA_NAUTILUS
404 applications. We don't save / restor !! 453 default y
405 some minimal preparations so userspa !! 454
406 !! 455 config GENERIC_HWEIGHT
407 config ARC_DSP_USERSPACE !! 456 bool
408 bool "Support DSP for userspace apps" !! 457 default y if !ALPHA_EV67
409 select ARC_HAS_ACCL_REGS !! 458
410 select ARC_DSP_HANDLED !! 459 config ALPHA_AVANTI
411 select ARC_DSP_SAVE_RESTORE_REGS !! 460 bool
412 help !! 461 depends on ALPHA_XL || ALPHA_AVANTI_CH
413 DSP extension presence in HW, suppor !! 462 default y
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 463 help
422 DSP and AGU extensions presence in H !! 464 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
423 and AGU registers to run DSP-enabled !! 465 Alphas. Info at
424 endchoice !! 466 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
425 467
426 config ARC_IRQ_NO_AUTOSAVE !! 468 config ALPHA_BROKEN_IRQ_MASK
427 bool "Disable hardware autosave regfil !! 469 bool
428 default n !! 470 depends on ALPHA_GENERIC || ALPHA_PC164
>> 471 default y
>> 472
>> 473 config VGA_HOSE
>> 474 bool
>> 475 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 476 default y
429 help 477 help
430 On HS cores, taken interrupt auto sa !! 478 Support VGA on an arbitrary hose; needed for several platforms
431 This is programmable and can be opti !! 479 which always have multiple hoses, and whose consoles support it.
432 software INTERRUPT_PROLOGUE/EPILGUE <<
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 <<
512 480
513 config HZ <<
514 int "Timer Frequency" <<
515 default 100 <<
516 481
517 config ARC_METAWARE_HLINK !! 482 config ALPHA_QEMU
518 bool "Support for Metaware debugger as !! 483 bool "Run under QEMU emulation"
>> 484 depends on !ALPHA_GENERIC
519 help 485 help
520 This options allows a Linux userland !! 486 Assume the presence of special features supported by QEMU PALcode
521 host file system (open/creat/read/wr !! 487 that reduce the overhead of system emulation.
522 Metaware Debugger. This can come in <<
523 when there is no real usable periphe <<
524 488
525 menuconfig ARC_DBG !! 489 Generic kernels will auto-detect QEMU. But when building a
526 bool "ARC debugging" !! 490 system-specific kernel, the assumption is that we want to
527 default y !! 491 eliminate as many runtime tests as possible.
528 492
529 if ARC_DBG !! 493 If unsure, say N.
530 494
531 config ARC_DW2_UNWIND !! 495
532 bool "Enable DWARF specific kernel sta !! 496 config ALPHA_SRM
533 default y !! 497 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
534 select KALLSYMS !! 498 depends on TTY
>> 499 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
535 help 500 help
536 Compiles the kernel with DWARF unwin !! 501 There are two different types of booting firmware on Alphas: SRM,
537 to get stack backtraces. !! 502 which is command line driven, and ARC, which uses menus and arrow
>> 503 keys. Details about the Linux/Alpha booting process are contained in
>> 504 the Linux/Alpha FAQ, accessible on the WWW from
>> 505 <http://www.alphalinux.org/>.
>> 506
>> 507 The usual way to load Linux on an Alpha machine is to use MILO
>> 508 (a bootloader that lets you pass command line parameters to the
>> 509 kernel just like lilo does for the x86 architecture) which can be
>> 510 loaded either from ARC or can be installed directly as a permanent
>> 511 firmware replacement from floppy (which requires changing a certain
>> 512 jumper on the motherboard). If you want to do either of these, say N
>> 513 here. If MILO doesn't work on your system (true for Jensen
>> 514 motherboards), you can bypass it altogether and boot Linux directly
>> 515 from an SRM console; say Y here in order to do that. Note that you
>> 516 won't be able to boot from an IDE disk using SRM.
>> 517
>> 518 If unsure, say N.
538 519
539 If you say Y here the resulting kern !! 520 config ARCH_MAY_HAVE_PC_FDC
540 but not slower, and it will give ver !! 521 def_bool y
541 If you don't debug the kernel, you c <<
542 to solve problems without frame unwi <<
543 522
544 config ARC_DBG_JUMP_LABEL !! 523 config SMP
545 bool "Paranoid checks in Static Keys ( !! 524 bool "Symmetric multi-processing support"
546 depends on JUMP_LABEL !! 525 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
547 default y if STATIC_KEYS_SELFTEST <<
548 help 526 help
549 Enable paranoid checks and self-test !! 527 This enables support for systems with more than one CPU. If you have
550 part of static keys (jump labels) re !! 528 a system with only one CPU, say N. If you have a system with more
551 endif !! 529 than one CPU, say Y.
>> 530
>> 531 If you say N here, the kernel will run on uni- and multiprocessor
>> 532 machines, but will use only one CPU of a multiprocessor machine. If
>> 533 you say Y here, the kernel will run on many, but not all,
>> 534 uniprocessor machines. On a uniprocessor machine, the kernel
>> 535 will run faster if you say N here.
>> 536
>> 537 See also the SMP-HOWTO available at
>> 538 <http://www.tldp.org/docs.html#howto>.
>> 539
>> 540 If you don't know what to do here, say N.
552 541
553 config ARC_BUILTIN_DTB_NAME !! 542 config NR_CPUS
554 string "Built in DTB" !! 543 int "Maximum number of CPUs (2-32)"
>> 544 range 2 32
>> 545 depends on SMP
>> 546 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 547 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 548 help
>> 549 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 550 with working support have a maximum of 4 CPUs.
>> 551
>> 552 config ARCH_DISCONTIGMEM_ENABLE
>> 553 bool "Discontiguous Memory Support"
>> 554 help
>> 555 Say Y to support efficient handling of discontiguous physical memory,
>> 556 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 557 or have huge holes in the physical address space for other reasons.
>> 558 See <file:Documentation/vm/numa.rst> for more.
>> 559
>> 560 config NUMA
>> 561 bool "NUMA Support (EXPERIMENTAL)"
>> 562 depends on DISCONTIGMEM && BROKEN
>> 563 help
>> 564 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 565 Access). This option is for configuring high-end multiprocessor
>> 566 server machines. If in doubt, say N.
>> 567
>> 568 config ALPHA_WTINT
>> 569 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 570 default y if ALPHA_QEMU
>> 571 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 572 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 573 default y if SMP
555 help 574 help
556 Set the name of the DTB to embed in !! 575 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
557 Leaving it blank selects the "nsim_7 !! 576 to sleep until the next interrupt. This may reduce the power
>> 577 consumed, and the heat produced by the computer. However, it has
>> 578 the side effect of making the cycle counter unreliable as a timing
>> 579 device across the sleep.
>> 580
>> 581 For emulation under QEMU, definitely say Y here, as we have other
>> 582 mechanisms for measuring time than the cycle counter.
>> 583
>> 584 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 585 MILO, sleep mode is not supported so you might as well say N here.
>> 586
>> 587 For SMP systems we cannot use the cycle counter for timing anyway,
>> 588 so you might as well say Y here.
>> 589
>> 590 If unsure, say N.
>> 591
>> 592 config NODES_SHIFT
>> 593 int
>> 594 default "7"
>> 595 depends on NEED_MULTIPLE_NODES
>> 596
>> 597 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 598 config ALPHA_LARGE_VMALLOC
>> 599 bool
>> 600 help
>> 601 Process creation and other aspects of virtual memory management can
>> 602 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 603 allocations. This equates to about 8GB.
>> 604
>> 605 Under normal circumstances, this is so far and above what is needed
>> 606 as to be laughable. However, there are certain applications (such
>> 607 as benchmark-grade in-kernel web serving) that can make use of as
>> 608 much vmalloc space as is available.
>> 609
>> 610 Say N unless you know you need gobs and gobs of vmalloc space.
>> 611
>> 612 config VERBOSE_MCHECK
>> 613 bool "Verbose Machine Checks"
>> 614
>> 615 config VERBOSE_MCHECK_ON
>> 616 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 617 depends on VERBOSE_MCHECK
>> 618 default 1
>> 619 help
>> 620 This option allows the default printing mode to be set, and then
>> 621 possibly overridden by a boot command argument.
>> 622
>> 623 For example, if one wanted the option of printing verbose
>> 624 machine checks, but wanted the default to be as if verbose
>> 625 machine check printing was turned off, then one would choose
>> 626 the printing mode to be 0. Then, upon reboot, one could add
>> 627 the boot command line "verbose_mcheck=1" to get the normal
>> 628 verbose machine check printing, or "verbose_mcheck=2" to get
>> 629 the maximum information available.
>> 630
>> 631 Take the default (1) unless you want more control or more info.
558 632
559 endmenu # "ARC Architecture Configuration" !! 633 choice
>> 634 prompt "Timer interrupt frequency (HZ)?"
>> 635 default HZ_128 if ALPHA_QEMU
>> 636 default HZ_1200 if ALPHA_RAWHIDE
>> 637 default HZ_1024
>> 638 help
>> 639 The frequency at which timer interrupts occur. A high frequency
>> 640 minimizes latency, whereas a low frequency minimizes overhead of
>> 641 process accounting. The later effect is especially significant
>> 642 when being run under QEMU.
>> 643
>> 644 Note that some Alpha hardware cannot change the interrupt frequency
>> 645 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 646
>> 647 config HZ_32
>> 648 bool "32 Hz"
>> 649 config HZ_64
>> 650 bool "64 Hz"
>> 651 config HZ_128
>> 652 bool "128 Hz"
>> 653 config HZ_256
>> 654 bool "256 Hz"
>> 655 config HZ_1024
>> 656 bool "1024 Hz"
>> 657 config HZ_1200
>> 658 bool "1200 Hz"
>> 659 endchoice
>> 660
>> 661 config HZ
>> 662 int
>> 663 default 32 if HZ_32
>> 664 default 64 if HZ_64
>> 665 default 128 if HZ_128
>> 666 default 256 if HZ_256
>> 667 default 1200 if HZ_1200
>> 668 default 1024
>> 669
>> 670 config SRM_ENV
>> 671 tristate "SRM environment through procfs"
>> 672 depends on PROC_FS
>> 673 help
>> 674 If you enable this option, a subdirectory inside /proc called
>> 675 /proc/srm_environment will give you access to the all important
>> 676 SRM environment variables (those which have a name) and also
>> 677 to all others (by their internal number).
>> 678
>> 679 SRM is something like a BIOS for Alpha machines. There are some
>> 680 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 681 support (hey, that's not SRM!).
>> 682
>> 683 Despite the fact that this driver doesn't work on all Alphas (but
>> 684 only on those which have SRM as their firmware), it's save to
>> 685 build it even if your particular machine doesn't know about SRM
>> 686 (or if you intend to compile a generic kernel). It will simply
>> 687 not create those subdirectory in /proc (and give you some warning,
>> 688 of course).
560 689
561 config ARCH_FORCE_MAX_ORDER !! 690 This driver is also available as a module and will be called
562 int "Maximum zone order" !! 691 srm_env then.
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 692
566 source "kernel/power/Kconfig" !! 693 endmenu
>> 694
>> 695 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 696 # but we also need it if VGA_HOSE is set
>> 697 config DUMMY_CONSOLE
>> 698 bool
>> 699 depends on VGA_HOSE
>> 700 default y
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