xref: /linux/arch/alpha/Kconfig (revision 092e0e7e520a1fca03e13c9f2d157432a8657ff2)
1#
2# For a description of the syntax of this configuration file,
3# see Documentation/kbuild/kconfig-language.txt.
4#
5config ALPHA
6	bool
7	default y
8	select HAVE_AOUT
9	select HAVE_IDE
10	select HAVE_OPROFILE
11	select HAVE_SYSCALL_WRAPPERS
12	select HAVE_IRQ_WORK
13	select HAVE_PERF_EVENTS
14	select HAVE_DMA_ATTRS
15	help
16	  The Alpha is a 64-bit general-purpose processor designed and
17	  marketed by the Digital Equipment Corporation of blessed memory,
18	  now Hewlett-Packard.  The Alpha Linux project has a home page at
19	  <http://www.alphalinux.org/>.
20
21config 64BIT
22	def_bool y
23
24config MMU
25	bool
26	default y
27
28config RWSEM_GENERIC_SPINLOCK
29	bool
30
31config RWSEM_XCHGADD_ALGORITHM
32	bool
33	default y
34
35config ARCH_HAS_ILOG2_U32
36	bool
37	default n
38
39config ARCH_HAS_ILOG2_U64
40	bool
41	default n
42
43config GENERIC_FIND_NEXT_BIT
44	bool
45	default y
46
47config GENERIC_CALIBRATE_DELAY
48	bool
49	default y
50
51config GENERIC_CMOS_UPDATE
52        def_bool y
53
54config ZONE_DMA
55	bool
56	default y
57
58config NEED_DMA_MAP_STATE
59       def_bool y
60
61config NEED_SG_DMA_LENGTH
62	def_bool y
63
64config GENERIC_ISA_DMA
65	bool
66	default y
67
68config GENERIC_IOMAP
69	bool
70	default n
71
72config GENERIC_HARDIRQS
73	bool
74	default y
75
76config GENERIC_IRQ_PROBE
77	bool
78	default y
79
80config AUTO_IRQ_AFFINITY
81	bool
82	depends on SMP
83	default y
84
85source "init/Kconfig"
86source "kernel/Kconfig.freezer"
87
88
89menu "System setup"
90
91choice
92	prompt "Alpha system type"
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
99	  To find out what type of Alpha system you have, you may want to
100	  check out the Linux/Alpha FAQ, accessible on the WWW from
101	  <http://www.alphalinux.org/>. In summary:
102
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
130
131	  If you don't know what to do, choose "generic".
132
133config ALPHA_GENERIC
134	bool "Generic"
135	help
136	  A generic kernel will run on all supported Alpha hardware.
137
138config 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.
147
148config ALPHA_XL
149	bool "Alpha-XL"
150	help
151	  XL-233 and XL-266-based Alpha systems.
152
153config ALPHA_BOOK1
154	bool "AlphaBook1"
155	help
156	  Dec AlphaBook1/Burns Alpha-based laptops.
157
158config ALPHA_AVANTI_CH
159	bool "Avanti"
160
161config ALPHA_CABRIOLET
162	bool "Cabriolet"
163	help
164	  Cabriolet AlphaPC64, AlphaPCI64 systems.  Derived from EB64+ but now
165	  baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
166	  slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
167	  Bcache SIMMs.  Requires power supply with 3.3V output.
168
169config ALPHA_DP264
170	bool "DP264"
171	help
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.
175
176config ALPHA_EB164
177	bool "EB164"
178	help
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.
185
186config ALPHA_EB64P_CH
187	bool "EB64+"
188
189config ALPHA_EB66
190	bool "EB66"
191	help
192	  A Digital DS group board.  Uses 21066 or 21066A.  I/O sub-system is
193	  identical to EB64+.  Baby PC-AT size.  Runs from standard PC power
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".
197
198config ALPHA_EB66P
199	bool "EB66+"
200	help
201	  Later variant of the EB66 board.
202
203config 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.
208
209config ALPHA_JENSEN
210	bool "Jensen"
211	help
212	  DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
213	  of the first-generation Alpha systems. A number of these systems
214	  seem to be available on the second- hand market. The Jensen is a
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.
218
219config ALPHA_LX164
220	bool "LX164"
221	help
222	  A technical overview of this board is available at
223	  <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
224
225config ALPHA_LYNX
226	bool "Lynx"
227	help
228	  AlphaServer 2100A-based systems.
229
230config ALPHA_MARVEL
231	bool "Marvel"
232	help
233	  AlphaServer ES47 / ES80 / GS1280 based on EV7.
234
235config ALPHA_MIATA
236	bool "Miata"
237	help
238	  The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
239	  or 600au).
240
241config ALPHA_MIKASA
242	bool "Mikasa"
243	help
244	  AlphaServer 1000-based Alpha systems.
245
246config ALPHA_NAUTILUS
247	bool "Nautilus"
248	help
249	  Alpha systems based on the AMD 751 & ALI 1543C chipsets.
250
251config ALPHA_NONAME_CH
252	bool "Noname"
253
254config ALPHA_NORITAKE
255	bool "Noritake"
256	help
257	  AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
258	  systems.
259
260config ALPHA_PC164
261	bool "PC164"
262
263config ALPHA_P2K
264	bool "Platform2000"
265
266config ALPHA_RAWHIDE
267	bool "Rawhide"
268	help
269	  AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
270	  See HOWTO at
271	  <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
272
273config 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>.
278
279config ALPHA_RX164
280	bool "RX164"
281
282config ALPHA_SX164
283	bool "SX164"
284
285config ALPHA_SABLE
286	bool "Sable"
287	help
288	  Digital AlphaServer 2000 and 2100-based systems.
289
290config ALPHA_SHARK
291	bool "Shark"
292
293config ALPHA_TAKARA
294	bool "Takara"
295	help
296	  Alpha 11164-based OEM single-board computer.
297
298config ALPHA_TITAN
299	bool "Titan"
300	help
301	  AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
302
303config ALPHA_WILDFIRE
304	bool "Wildfire"
305	help
306	  AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
307
308endchoice
309
310# clear all implied options (don't want default values for those):
311# Most of these machines have ISA slots; not exactly sure which don't,
312# and this doesn't activate hordes of code, so do it always.
313config 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
323config ISA_DMA_API
324	bool
325	default y
326
327config PCI
328	bool
329	depends on !ALPHA_JENSEN
330	default y
331	help
332	  Find out whether you have a PCI motherboard. PCI is the name of a
333	  bus system, i.e. the way the CPU talks to the other stuff inside
334	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
335	  VESA. If you have PCI, say Y, otherwise N.
336
337config PCI_DOMAINS
338	bool
339	default y
340
341config PCI_SYSCALL
342	def_bool PCI
343
344config IOMMU_HELPER
345	def_bool PCI
346
347config ALPHA_NONAME
348	bool
349	depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
350	default y
351	help
352	  The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
353	  UDB).  This design was produced by Digital's Technical OEM (TOEM)
354	  group. It uses the 21066 processor running at 166MHz or 233MHz. It
355	  is a baby-AT size, and runs from a standard PC power supply. It has
356	  5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
357	  2 versions, with either PS/2 or large DIN connectors for the
358	  keyboard.
359
360config ALPHA_EV4
361	bool
362	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
363	default y if !ALPHA_LYNX
364
365config ALPHA_LCA
366	bool
367	depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
368	default y
369
370config ALPHA_APECS
371	bool
372	depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
373	default y
374
375config ALPHA_EB64P
376	bool
377	depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
378	default y
379	help
380	  Uses 21064 or 21064A and APECs.  Has ISA and PCI expansion (3 ISA,
381	  2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
382	  ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
383	  (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
384	  SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM.  PC-AT size.
385	  Runs from standard PC power supply.
386
387config ALPHA_EV5
388	bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
389	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
390
391config ALPHA_EV4
392	bool
393	default y if ALPHA_LYNX && !ALPHA_EV5
394
395config ALPHA_CIA
396	bool
397	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
398	default y
399
400config ALPHA_EV56
401	bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
402	default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
403
404config ALPHA_EV56
405	prompt "EV56 CPU (speed >= 333MHz)?"
406	depends on ALPHA_NORITAKE || ALPHA_PRIMO
407
408config ALPHA_EV56
409	prompt "EV56 CPU (speed >= 400MHz)?"
410	depends on ALPHA_RAWHIDE
411
412config ALPHA_PRIMO
413	bool "EV5 CPU daughtercard (model 5/xxx)?"
414	depends on ALPHA_NORITAKE || ALPHA_MIKASA
415	help
416	  Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
417
418config ALPHA_GAMMA
419	bool "EV5 CPU(s) (model 5/xxx)?"
420	depends on ALPHA_SABLE
421	help
422	  Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
423
424config ALPHA_GAMMA
425	bool
426	depends on ALPHA_LYNX
427	default y
428
429config ALPHA_T2
430	bool
431	depends on ALPHA_SABLE || ALPHA_LYNX
432	default y
433
434config ALPHA_PYXIS
435	bool
436	depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
437	default y
438
439config ALPHA_EV6
440	bool
441	depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
442	default y
443
444config ALPHA_TSUNAMI
445	bool
446	depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
447	default y
448
449config ALPHA_EV67
450	bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
451	default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
452	help
453	  Is this a machine based on the EV67 core?  If in doubt, select N here
454	  and the machine will be treated as an EV6.
455
456config ALPHA_EV7
457	bool
458	depends on ALPHA_MARVEL
459	default y
460
461config ALPHA_MCPCIA
462	bool
463	depends on ALPHA_RAWHIDE
464	default y
465
466config ALPHA_POLARIS
467	bool
468	depends on ALPHA_RX164
469	default y
470
471config ALPHA_IRONGATE
472	bool
473	depends on ALPHA_NAUTILUS
474	default y
475
476config GENERIC_HWEIGHT
477	bool
478	default y if !ALPHA_EV67
479
480config ALPHA_AVANTI
481	bool
482	depends on ALPHA_XL || ALPHA_AVANTI_CH
483	default y
484	help
485	  Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
486	  Alphas. Info at
487	  <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
488
489config ALPHA_BROKEN_IRQ_MASK
490	bool
491	depends on ALPHA_GENERIC || ALPHA_PC164
492	default y
493
494config VGA_HOSE
495	bool
496	depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
497	default y
498	help
499	  Support VGA on an arbitrary hose; needed for several platforms
500	  which always have multiple hoses, and whose consoles support it.
501
502
503config ALPHA_SRM
504	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
505	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
506	---help---
507	  There are two different types of booting firmware on Alphas: SRM,
508	  which is command line driven, and ARC, which uses menus and arrow
509	  keys. Details about the Linux/Alpha booting process are contained in
510	  the Linux/Alpha FAQ, accessible on the WWW from
511	  <http://www.alphalinux.org/>.
512
513	  The usual way to load Linux on an Alpha machine is to use MILO
514	  (a bootloader that lets you pass command line parameters to the
515	  kernel just like lilo does for the x86 architecture) which can be
516	  loaded either from ARC or can be installed directly as a permanent
517	  firmware replacement from floppy (which requires changing a certain
518	  jumper on the motherboard). If you want to do either of these, say N
519	  here. If MILO doesn't work on your system (true for Jensen
520	  motherboards), you can bypass it altogether and boot Linux directly
521	  from an SRM console; say Y here in order to do that. Note that you
522	  won't be able to boot from an IDE disk using SRM.
523
524	  If unsure, say N.
525
526config EISA
527	bool
528	depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
529	default y
530
531config ARCH_MAY_HAVE_PC_FDC
532	def_bool y
533
534config SMP
535	bool "Symmetric multi-processing support"
536	depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
537	select USE_GENERIC_SMP_HELPERS
538	---help---
539	  This enables support for systems with more than one CPU. If you have
540	  a system with only one CPU, like most personal computers, say N. If
541	  you have a system with more than one CPU, say Y.
542
543	  If you say N here, the kernel will run on single and multiprocessor
544	  machines, but will use only one CPU of a multiprocessor machine. If
545	  you say Y here, the kernel will run on many, but not all,
546	  singleprocessor machines. On a singleprocessor machine, the kernel
547	  will run faster if you say N here.
548
549	  See also the SMP-HOWTO available at
550	  <http://www.tldp.org/docs.html#howto>.
551
552	  If you don't know what to do here, say N.
553
554config HAVE_DEC_LOCK
555	bool
556	depends on SMP
557	default y
558
559config NR_CPUS
560	int "Maximum number of CPUs (2-32)"
561	range 2 32
562	depends on SMP
563	default "32" if ALPHA_GENERIC || ALPHA_MARVEL
564	default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
565	help
566	  MARVEL support can handle a maximum of 32 CPUs, all the others
567          with working support have a maximum of 4 CPUs.
568
569config ARCH_DISCONTIGMEM_ENABLE
570	bool "Discontiguous Memory Support (EXPERIMENTAL)"
571	depends on EXPERIMENTAL
572	help
573	  Say Y to support efficient handling of discontiguous physical memory,
574	  for architectures which are either NUMA (Non-Uniform Memory Access)
575	  or have huge holes in the physical address space for other reasons.
576	  See <file:Documentation/vm/numa> for more.
577
578source "mm/Kconfig"
579
580config NUMA
581	bool "NUMA Support (EXPERIMENTAL)"
582	depends on DISCONTIGMEM && BROKEN
583	help
584	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
585	  Access).  This option is for configuring high-end multiprocessor
586	  server machines.  If in doubt, say N.
587
588config NODES_SHIFT
589	int
590	default "7"
591	depends on NEED_MULTIPLE_NODES
592
593# LARGE_VMALLOC is racy, if you *really* need it then fix it first
594config ALPHA_LARGE_VMALLOC
595	bool
596	---help---
597	  Process creation and other aspects of virtual memory management can
598	  be streamlined if we restrict the kernel to one PGD for all vmalloc
599	  allocations.  This equates to about 8GB.
600
601	  Under normal circumstances, this is so far and above what is needed
602	  as to be laughable.  However, there are certain applications (such
603	  as benchmark-grade in-kernel web serving) that can make use of as
604	  much vmalloc space as is available.
605
606	  Say N unless you know you need gobs and gobs of vmalloc space.
607
608config VERBOSE_MCHECK
609	bool "Verbose Machine Checks"
610
611config VERBOSE_MCHECK_ON
612	int "Verbose Printing Mode (0=off, 1=on, 2=all)"
613	depends on VERBOSE_MCHECK
614	default 1
615	---help---
616	  This option allows the default printing mode to be set, and then
617	  possibly overridden by a boot command argument.
618
619	  For example, if one wanted the option of printing verbose
620	  machine checks, but wanted the default to be as if verbose
621	  machine check printing was turned off, then one would choose
622	  the printing mode to be 0. Then, upon reboot, one could add
623	  the boot command line "verbose_mcheck=1" to get the normal
624	  verbose machine check printing, or "verbose_mcheck=2" to get
625	  the maximum information available.
626
627	  Take the default (1) unless you want more control or more info.
628
629config HZ
630	int
631	default 1200 if ALPHA_RAWHIDE
632	default 1024
633
634source "drivers/pci/Kconfig"
635source "drivers/eisa/Kconfig"
636
637source "drivers/pcmcia/Kconfig"
638
639config SRM_ENV
640	tristate "SRM environment through procfs"
641	depends on PROC_FS
642	---help---
643	  If you enable this option, a subdirectory inside /proc called
644	  /proc/srm_environment will give you access to the all important
645	  SRM environment variables (those which have a name) and also
646	  to all others (by their internal number).
647
648	  SRM is something like a BIOS for Alpha machines. There are some
649	  other such BIOSes, like AlphaBIOS, which this driver cannot
650	  support (hey, that's not SRM!).
651
652	  Despite the fact that this driver doesn't work on all Alphas (but
653	  only on those which have SRM as their firmware), it's save to
654	  build it even if your particular machine doesn't know about SRM
655	  (or if you intend to compile a generic kernel). It will simply
656	  not create those subdirectory in /proc (and give you some warning,
657	  of course).
658
659	  This driver is also available as a module and will be called
660	  srm_env then.
661
662source "fs/Kconfig.binfmt"
663
664endmenu
665
666source "net/Kconfig"
667
668source "drivers/Kconfig"
669
670source "fs/Kconfig"
671
672source "arch/alpha/Kconfig.debug"
673
674# DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
675# but we also need it if VGA_HOSE is set
676config DUMMY_CONSOLE
677	bool
678	depends on VGA_HOSE
679	default y
680
681source "security/Kconfig"
682
683source "crypto/Kconfig"
684
685source "lib/Kconfig"
686
687