Blame - arch/arm/Kconfig - kernel/msm-4.9

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Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1	#
				2	# For a description of the syntax of this configuration file,
				3	# see Documentation/kbuild/kconfig-language.txt.
				4	#
				5
				6	mainmenu "Linux Kernel Configuration"
				7
				8	config ARM
				9	bool
				10	default y
David Woodhouse	e17c6d5	2008-06-17 12:19:34 +0100	[diff] [blame]	11	select HAVE_AOUT
Adrian Bunk	2064c94	2008-04-28 23:44:43 +0200	[diff] [blame]	12	select HAVE_IDE
Alessandro Zummo	12b824f	2006-03-27 01:16:35 -0800	[diff] [blame]	13	select RTC_LIB
Ralf Baechle	75e7153	2007-02-09 17:08:58 +0000	[diff] [blame]	14	select SYS_SUPPORTS_APM_EMULATION
Mathieu Desnoyers	42d4b83	2008-02-02 15:10:34 -0500	[diff] [blame]	15	select HAVE_OPROFILE
Jason Wessel	5cbad0e	2008-02-20 13:33:40 -0600	[diff] [blame]	16	select HAVE_ARCH_KGDB
Mathieu Desnoyers	3f55009	2008-02-02 15:10:35 -0500	[diff] [blame]	17	select HAVE_KPROBES if (!XIP_KERNEL)
Ananth N Mavinakayanahalli	9edddaa	2008-03-04 14:28:37 -0800	[diff] [blame]	18	select HAVE_KRETPROBES if (HAVE_KPROBES)
Steven Rostedt	606576c	2008-10-06 19:06:12 -0400	[diff] [blame]	19	select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
Dmitry Baryshkov	1fe5326	2008-07-18 13:30:14 +0400	[diff] [blame]	20	select HAVE_GENERIC_DMA_COHERENT
Albin Tonnerre	e7db7b4	2010-01-08 14:42:43 -0800	[diff] [blame]	21	select HAVE_KERNEL_GZIP
				22	select HAVE_KERNEL_LZO
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	23	help
				24	The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayr	f6c8965	2006-02-08 21:09:07 +0000	[diff] [blame]	25	licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	26	handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayr	f6c8965	2006-02-08 21:09:07 +0000	[diff] [blame]	27	manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	28	Europe. There is an ARM Linux project with a web page at
				29	<http://www.arm.linux.org.uk/>.
				30
Russell King	1a189b9	2008-04-13 21:41:55 +0100	[diff] [blame]	31	config HAVE_PWM
				32	bool
				33
Ralf Baechle	75e7153	2007-02-09 17:08:58 +0000	[diff] [blame]	34	config SYS_SUPPORTS_APM_EMULATION
				35	bool
				36
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	37	config GENERIC_GPIO
				38	bool
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	39
Kevin Hilman	746140c	2006-09-22 00:16:30 +0100	[diff] [blame]	40	config GENERIC_TIME
				41	bool
Kevin Hilman	746140c	2006-09-22 00:16:30 +0100	[diff] [blame]	42
Kevin Hilman	0567a0c	2007-03-13 20:29:24 +0100	[diff] [blame]	43	config GENERIC_CLOCKEVENTS
				44	bool
Kevin Hilman	0567a0c	2007-03-13 20:29:24 +0100	[diff] [blame]	45
Catalin Marinas	a8655e8	2008-02-04 17:30:57 +0100	[diff] [blame]	46	config GENERIC_CLOCKEVENTS_BROADCAST
				47	bool
				48	depends on GENERIC_CLOCKEVENTS
				49	default y if SMP && !LOCAL_TIMERS
				50
Linus Walleij	bc58177	2009-09-15 17:30:37 +0100	[diff] [blame]	51	config HAVE_TCM
				52	bool
				53	select GENERIC_ALLOCATOR
				54
Al Viro	5ea8176	2007-02-11 15:41:31 +0000	[diff] [blame]	55	config NO_IOPORT
				56	bool
Al Viro	5ea8176	2007-02-11 15:41:31 +0000	[diff] [blame]	57
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	58	config EISA
				59	bool
				60	---help---
				61	The Extended Industry Standard Architecture (EISA) bus was
				62	developed as an open alternative to the IBM MicroChannel bus.
				63
				64	The EISA bus provided some of the features of the IBM MicroChannel
				65	bus while maintaining backward compatibility with cards made for
				66	the older ISA bus. The EISA bus saw limited use between 1988 and
				67	1995 when it was made obsolete by the PCI bus.
				68
				69	Say Y here if you are building a kernel for an EISA-based machine.
				70
				71	Otherwise, say N.
				72
				73	config SBUS
				74	bool
				75
				76	config MCA
				77	bool
				78	help
				79	MicroChannel Architecture is found in some IBM PS/2 machines and
				80	laptops. It is a bus system similar to PCI or ISA. See
				81	<file:Documentation/mca.txt> (and especially the web page given
				82	there) before attempting to build an MCA bus kernel.
				83
Thomas Gleixner	4a2581a	2006-07-01 22:30:09 +0100	[diff] [blame]	84	config GENERIC_HARDIRQS
				85	bool
				86	default y
				87
Russell King	f16fb1e	2007-04-28 09:59:37 +0100	[diff] [blame]	88	config STACKTRACE_SUPPORT
				89	bool
				90	default y
				91
Nicolas Pitre	f76e915	2008-04-24 01:31:46 -0400	[diff] [blame]	92	config HAVE_LATENCYTOP_SUPPORT
				93	bool
				94	depends on !SMP
				95	default y
				96
Russell King	f16fb1e	2007-04-28 09:59:37 +0100	[diff] [blame]	97	config LOCKDEP_SUPPORT
				98	bool
				99	default y
				100
Russell King	7ad1bcb	2006-08-27 12:07:02 +0100	[diff] [blame]	101	config TRACE_IRQFLAGS_SUPPORT
				102	bool
				103	default y
				104
Thomas Gleixner	4a2581a	2006-07-01 22:30:09 +0100	[diff] [blame]	105	config HARDIRQS_SW_RESEND
				106	bool
				107	default y
				108
				109	config GENERIC_IRQ_PROBE
				110	bool
				111	default y
				112
Nick Piggin	95c354f	2008-01-30 13:31:20 +0100	[diff] [blame]	113	config GENERIC_LOCKBREAK
				114	bool
				115	default y
				116	depends on SMP && PREEMPT
				117
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	118	config RWSEM_GENERIC_SPINLOCK
				119	bool
				120	default y
				121
				122	config RWSEM_XCHGADD_ALGORITHM
				123	bool
				124
David Howells	f0d1b0b	2006-12-08 02:37:49 -0800	[diff] [blame]	125	config ARCH_HAS_ILOG2_U32
				126	bool
David Howells	f0d1b0b	2006-12-08 02:37:49 -0800	[diff] [blame]	127
				128	config ARCH_HAS_ILOG2_U64
				129	bool
David Howells	f0d1b0b	2006-12-08 02:37:49 -0800	[diff] [blame]	130
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	131	config ARCH_HAS_CPUFREQ
				132	bool
				133	help
				134	Internal node to signify that the ARCH has CPUFREQ support
				135	and that the relevant menu configurations are displayed for
				136	it.
				137
Akinobu Mita	b89c3b1	2006-03-26 01:39:19 -0800	[diff] [blame]	138	config GENERIC_HWEIGHT
				139	bool
				140	default y
				141
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	142	config GENERIC_CALIBRATE_DELAY
				143	bool
				144	default y
				145
viro@ZenIV.linux.org.uk	a08b6b7	2005-09-06 01:48:42 +0100	[diff] [blame]	146	config ARCH_MAY_HAVE_PC_FDC
				147	bool
				148
Christoph Lameter	5ac6da6	2007-02-10 01:43:14 -0800	[diff] [blame]	149	config ZONE_DMA
				150	bool
Christoph Lameter	5ac6da6	2007-02-10 01:43:14 -0800	[diff] [blame]	151
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	152	config GENERIC_ISA_DMA
				153	bool
				154
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	155	config FIQ
				156	bool
				157
Al Viro	034d2f5	2005-12-19 16:27:59 -0500	[diff] [blame]	158	config ARCH_MTD_XIP
				159	bool
				160
Paulius Zaleckas	60a752e	2008-06-25 13:33:14 +0100	[diff] [blame]	161	config GENERIC_HARDIRQS_NO__DO_IRQ
Paulius Zaleckas	60a752e	2008-06-25 13:33:14 +0100	[diff] [blame]	162	def_bool y
				163
Mathieu Desnoyers	c0ffa3a	2008-02-02 15:10:32 -0500	[diff] [blame]	164	if OPROFILE
				165
				166	config OPROFILE_ARMV6
				167	def_bool y
				168	depends on CPU_V6 && !SMP
				169	select OPROFILE_ARM11_CORE
				170
				171	config OPROFILE_MPCORE
				172	def_bool y
				173	depends on CPU_V6 && SMP
				174	select OPROFILE_ARM11_CORE
				175
				176	config OPROFILE_ARM11_CORE
				177	bool
				178
Jean PIHET	d7ac4e2	2008-08-12 19:07:39 +0100	[diff] [blame]	179	config OPROFILE_ARMV7
				180	def_bool y
				181	depends on CPU_V7 && !SMP
				182	bool
				183
Mathieu Desnoyers	c0ffa3a	2008-02-02 15:10:32 -0500	[diff] [blame]	184	endif
				185
Hyok S. Choi	c760fc1	2006-03-27 15:18:50 +0100	[diff] [blame]	186	config VECTORS_BASE
				187	hex
Hyok S. Choi	6afd6fa	2006-09-28 21:46:34 +0900	[diff] [blame]	188	default 0xffff0000 if MMU \|\| CPU_HIGH_VECTOR
Hyok S. Choi	c760fc1	2006-03-27 15:18:50 +0100	[diff] [blame]	189	default DRAM_BASE if REMAP_VECTORS_TO_RAM
				190	default 0x00000000
				191	help
				192	The base address of exception vectors.
				193
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	194	source "init/Kconfig"
				195
Matt Helsley	dc52ddc	2008-10-18 20:27:21 -0700	[diff] [blame]	196	source "kernel/Kconfig.freezer"
				197
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	198	menu "System Type"
				199
Hyok S. Choi	3c42797	2009-07-24 12:35:00 +0100	[diff] [blame]	200	config MMU
				201	bool "MMU-based Paged Memory Management Support"
				202	default y
				203	help
				204	Select if you want MMU-based virtualised addressing space
				205	support by paged memory management. If unsure, say 'Y'.
				206
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	207	choice
				208	prompt "ARM system type"
Catalin Marinas	6a0e243	2006-03-07 14:42:27 +0000	[diff] [blame]	209	default ARCH_VERSATILE
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	210
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	211	config ARCH_AAEC2000
				212	bool "Agilent AAEC-2000 based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	213	select CPU_ARM920T
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	214	select ARM_AMBA
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	215	select HAVE_CLK
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	216	help
				217	This enables support for systems based on the Agilent AAEC-2000
				218
				219	config ARCH_INTEGRATOR
				220	bool "ARM Ltd. Integrator family"
				221	select ARM_AMBA
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	222	select ARCH_HAS_CPUFREQ
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	223	select HAVE_CLK
Russell King	d72fbdf	2008-11-08 20:08:08 +0000	[diff] [blame]	224	select COMMON_CLKDEV
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	225	select ICST525
				226	help
				227	Support for ARM's Integrator platform.
				228
				229	config ARCH_REALVIEW
				230	bool "ARM Ltd. RealView family"
				231	select ARM_AMBA
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	232	select HAVE_CLK
Russell King	cf30fb4	2008-11-08 20:05:55 +0000	[diff] [blame]	233	select COMMON_CLKDEV
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	234	select ICST307
Catalin Marinas	85802af	2008-02-04 17:24:54 +0100	[diff] [blame]	235	select GENERIC_TIME
Catalin Marinas	ae30cea	2008-02-04 17:26:55 +0100	[diff] [blame]	236	select GENERIC_CLOCKEVENTS
Russell King	eb7fffa	2009-07-05 22:41:31 +0100	[diff] [blame]	237	select ARCH_WANT_OPTIONAL_GPIOLIB
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	238	help
				239	This enables support for ARM Ltd RealView boards.
				240
				241	config ARCH_VERSATILE
				242	bool "ARM Ltd. Versatile family"
				243	select ARM_AMBA
				244	select ARM_VIC
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	245	select HAVE_CLK
Russell King	71a06da	2008-11-08 20:13:53 +0000	[diff] [blame]	246	select COMMON_CLKDEV
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	247	select ICST307
Kevin Hilman	b49c87c	2007-03-08 20:25:13 +0100	[diff] [blame]	248	select GENERIC_TIME
Kevin Hilman	89df127	2007-03-08 20:30:38 +0100	[diff] [blame]	249	select GENERIC_CLOCKEVENTS
Russell King	bbeddc4	2009-07-05 22:43:01 +0100	[diff] [blame]	250	select ARCH_WANT_OPTIONAL_GPIOLIB
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	251	help
				252	This enables support for ARM Ltd Versatile board.
				253
Andrew Victor	8fc5ffa	2006-06-29 16:06:33 +0100	[diff] [blame]	254	config ARCH_AT91
				255	bool "Atmel AT91"
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	256	select GENERIC_GPIO
Ryan Mallon	f373e8c	2009-02-10 21:02:08 +0100	[diff] [blame]	257	select ARCH_REQUIRE_GPIOLIB
David Brownell	93686ae	2008-07-28 15:46:22 -0700	[diff] [blame]	258	select HAVE_CLK
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	259	help
Andrew Victor	2b3b351	2008-01-24 15:10:39 +0100	[diff] [blame]	260	This enables support for systems based on the Atmel AT91RM9200,
				261	AT91SAM9 and AT91CAP9 processors.
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	262
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	263	config ARCH_CLPS711X
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	264	bool "Cirrus Logic CLPS711x/EP721x-based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	265	select CPU_ARM720T
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	266	help
				267	Support for Cirrus Logic 711x/721x based boards.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	268
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	269	config ARCH_GEMINI
				270	bool "Cortina Systems Gemini"
				271	select CPU_FA526
				272	select GENERIC_GPIO
				273	select ARCH_REQUIRE_GPIOLIB
				274	help
				275	Support for the Cortina Systems Gemini family SoCs
				276
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	277	config ARCH_EBSA110
				278	bool "EBSA-110"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	279	select CPU_SA110
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	280	select ISA
Russell King	c5eb2a2	2007-03-03 11:54:19 +0000	[diff] [blame]	281	select NO_IOPORT
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	282	help
				283	This is an evaluation board for the StrongARM processor available
Martin Michlmayr	f6c8965	2006-02-08 21:09:07 +0000	[diff] [blame]	284	from Digital. It has limited hardware on-board, including an
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	285	Ethernet interface, two PCMCIA sockets, two serial ports and a
				286	parallel port.
				287
Lennert Buytenhek	e7736d4	2006-03-20 17:10:13 +0000	[diff] [blame]	288	config ARCH_EP93XX
				289	bool "EP93xx-based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	290	select CPU_ARM920T
Lennert Buytenhek	e7736d4	2006-03-20 17:10:13 +0000	[diff] [blame]	291	select ARM_AMBA
				292	select ARM_VIC
Herbert Valerio Riedel	4e9f9fd	2007-11-26 18:41:02 +0100	[diff] [blame]	293	select GENERIC_GPIO
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	294	select HAVE_CLK
Russell King	ae696fd	2008-11-30 17:11:49 +0000	[diff] [blame]	295	select COMMON_CLKDEV
Michael Buesch	7444a72	2008-07-25 01:46:11 -0700	[diff] [blame]	296	select ARCH_REQUIRE_GPIOLIB
Mel Gorman	eb33575	2009-05-13 17:34:48 +0100	[diff] [blame]	297	select ARCH_HAS_HOLES_MEMORYMODEL
Lennert Buytenhek	e7736d4	2006-03-20 17:10:13 +0000	[diff] [blame]	298	help
				299	This enables support for the Cirrus EP93xx series of CPUs.
				300
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	301	config ARCH_FOOTBRIDGE
				302	bool "FootBridge"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	303	select CPU_SA110
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	304	select FOOTBRIDGE
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	305	help
				306	Support for systems based on the DC21285 companion chip
				307	("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	308
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	309	config ARCH_MXC
				310	bool "Freescale MXC/iMX-based"
				311	select GENERIC_TIME
				312	select GENERIC_CLOCKEVENTS
				313	select ARCH_MTD_XIP
				314	select GENERIC_GPIO
				315	select ARCH_REQUIRE_GPIOLIB
Russell King	a2ab67f	2009-05-23 20:57:31 +0100	[diff] [blame]	316	select HAVE_CLK
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	317	help
				318	Support for Freescale MXC/iMX-based family of processors
				319
dmitry pervushin	7bd0f2f	2009-04-27 10:35:04 +0100	[diff] [blame]	320	config ARCH_STMP3XXX
				321	bool "Freescale STMP3xxx"
				322	select CPU_ARM926T
				323	select HAVE_CLK
				324	select COMMON_CLKDEV
				325	select ARCH_REQUIRE_GPIOLIB
				326	select GENERIC_TIME
				327	select GENERIC_CLOCKEVENTS
				328	select GENERIC_GPIO
				329	select USB_ARCH_HAS_EHCI
				330	help
				331	Support for systems based on the Freescale 3xxx CPUs.
				332
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	333	config ARCH_NETX
				334	bool "Hilscher NetX based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	335	select CPU_ARM926T
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	336	select ARM_VIC
Uwe Kleine-König	2fcfe6b	2008-12-09 21:57:24 +0100	[diff] [blame]	337	select GENERIC_CLOCKEVENTS
Uwe Kleine-König	21edecd	2008-12-09 21:57:23 +0100	[diff] [blame]	338	select GENERIC_TIME
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	339	help
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	340	This enables support for systems based on the Hilscher NetX Soc
				341
				342	config ARCH_H720X
				343	bool "Hynix HMS720x-based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	344	select CPU_ARM720T
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	345	select ISA_DMA_API
				346	help
				347	This enables support for systems based on the Hynix HMS720x
				348
Alessandro Rubini	28ad94e	2009-07-02 19:06:47 +0100	[diff] [blame]	349	config ARCH_NOMADIK
				350	bool "STMicroelectronics Nomadik"
				351	select ARM_AMBA
				352	select ARM_VIC
				353	select CPU_ARM926T
				354	select HAVE_CLK
				355	select COMMON_CLKDEV
				356	select GENERIC_TIME
				357	select GENERIC_CLOCKEVENTS
Alessandro Rubini	2ec1d35	2009-07-02 15:29:12 +0100	[diff] [blame]	358	select GENERIC_GPIO
				359	select ARCH_REQUIRE_GPIOLIB
Alessandro Rubini	28ad94e	2009-07-02 19:06:47 +0100	[diff] [blame]	360	help
				361	Support for the Nomadik platform by ST-Ericsson
				362
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	363	config ARCH_IOP13XX
				364	bool "IOP13xx-based"
				365	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	366	select CPU_XSC3
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	367	select PLAT_IOP
				368	select PCI
				369	select ARCH_SUPPORTS_MSI
Lennert Buytenhek	8d5796d	2008-08-25 21:03:32 +0100	[diff] [blame]	370	select VMSPLIT_1G
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	371	help
				372	Support for Intel's IOP13XX (XScale) family of processors.
				373
Lennert Buytenhek	3f7e581	2006-09-18 23:10:26 +0100	[diff] [blame]	374	config ARCH_IOP32X
				375	bool "IOP32x-based"
Russell King	a4f7e76	2006-06-28 12:52:41 +0100	[diff] [blame]	376	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	377	select CPU_XSCALE
Lennert Buytenhek	7ae1f7e	2006-09-18 23:12:53 +0100	[diff] [blame]	378	select PLAT_IOP
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	379	select PCI
Arnaud Patard	63f385c	2008-07-08 23:07:48 +0100	[diff] [blame]	380	select GENERIC_GPIO
Russell King	bb2b180	2008-07-26 15:36:03 +0100	[diff] [blame]	381	select ARCH_REQUIRE_GPIOLIB
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	382	help
Lennert Buytenhek	3f7e581	2006-09-18 23:10:26 +0100	[diff] [blame]	383	Support for Intel's 80219 and IOP32X (XScale) family of
				384	processors.
				385
				386	config ARCH_IOP33X
				387	bool "IOP33x-based"
				388	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	389	select CPU_XSCALE
Lennert Buytenhek	7ae1f7e	2006-09-18 23:12:53 +0100	[diff] [blame]	390	select PLAT_IOP
Lennert Buytenhek	3f7e581	2006-09-18 23:10:26 +0100	[diff] [blame]	391	select PCI
Arnaud Patard	63f385c	2008-07-08 23:07:48 +0100	[diff] [blame]	392	select GENERIC_GPIO
Russell King	bb2b180	2008-07-26 15:36:03 +0100	[diff] [blame]	393	select ARCH_REQUIRE_GPIOLIB
Lennert Buytenhek	3f7e581	2006-09-18 23:10:26 +0100	[diff] [blame]	394	help
				395	Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	396
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	397	config ARCH_IXP23XX
				398	bool "IXP23XX-based"
Dan Williams	588ef76	2007-02-13 17:12:04 +0100	[diff] [blame]	399	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	400	select CPU_XSC3
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	401	select PCI
Dan Williams	285f5fa	2006-12-07 02:59:39 +0100	[diff] [blame]	402	help
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	403	Support for Intel's IXP23xx (XScale) family of processors.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	404
				405	config ARCH_IXP2000
				406	bool "IXP2400/2800-based"
Russell King	a4f7e76	2006-06-28 12:52:41 +0100	[diff] [blame]	407	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	408	select CPU_XSCALE
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	409	select PCI
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	410	help
				411	Support for Intel's IXP2400/2800 (XScale) family of processors.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	412
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	413	config ARCH_IXP4XX
				414	bool "IXP4xx-based"
Russell King	a4f7e76	2006-06-28 12:52:41 +0100	[diff] [blame]	415	depends on MMU
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	416	select CPU_XSCALE
Milan Svoboda	8858e9a	2007-05-14 07:50:42 +0100	[diff] [blame]	417	select GENERIC_GPIO
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	418	select GENERIC_TIME
				419	select GENERIC_CLOCKEVENTS
Russell King	485bdde	2008-10-17 14:00:43 +0100	[diff] [blame]	420	select DMABOUNCE if PCI
Lennert Buytenhek	c471307	2006-03-28 21:18:54 +0100	[diff] [blame]	421	help
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	422	Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhek	c471307	2006-03-28 21:18:54 +0100	[diff] [blame]	423
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	424	config ARCH_L7200
				425	bool "LinkUp-L7200"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	426	select CPU_ARM720T
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	427	select FIQ
				428	help
				429	Say Y here if you intend to run this kernel on a LinkUp Systems
				430	L7200 Software Development Board which uses an ARM720T processor.
				431	Information on this board can be obtained at:
				432
				433	<http://www.linkupsys.com/>
				434
				435	If you have any questions or comments about the Linux kernel port
				436	to this board, send e-mail to <sjhill@cotw.com>.
				437
Saeed Bishara	edabd38	2009-08-06 15:12:43 +0300	[diff] [blame]	438	config ARCH_DOVE
				439	bool "Marvell Dove"
				440	select PCI
				441	select GENERIC_GPIO
				442	select ARCH_REQUIRE_GPIOLIB
				443	select GENERIC_TIME
				444	select GENERIC_CLOCKEVENTS
				445	select PLAT_ORION
				446	help
				447	Support for the Marvell Dove SoC 88AP510
				448
Saeed Bishara	651c74c	2008-06-22 22:45:06 +0200	[diff] [blame]	449	config ARCH_KIRKWOOD
				450	bool "Marvell Kirkwood"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	451	select CPU_FEROCEON
Saeed Bishara	651c74c	2008-06-22 22:45:06 +0200	[diff] [blame]	452	select PCI
Lennert Buytenhek	4c21343	2008-10-20 01:51:04 +0200	[diff] [blame]	453	select GENERIC_GPIO
Erik Benada	a886565	2009-05-28 17:08:55 -0700	[diff] [blame]	454	select ARCH_REQUIRE_GPIOLIB
Saeed Bishara	651c74c	2008-06-22 22:45:06 +0200	[diff] [blame]	455	select GENERIC_TIME
				456	select GENERIC_CLOCKEVENTS
				457	select PLAT_ORION
				458	help
				459	Support for the following Marvell Kirkwood series SoCs:
				460	88F6180, 88F6192 and 88F6281.
				461
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	462	config ARCH_LOKI
				463	bool "Marvell Loki (88RC8480)"
				464	select CPU_FEROCEON
				465	select GENERIC_TIME
				466	select GENERIC_CLOCKEVENTS
				467	select PLAT_ORION
				468	help
				469	Support for the Marvell Loki (88RC8480) SoC.
				470
				471	config ARCH_MV78XX0
				472	bool "Marvell MV78xx0"
				473	select CPU_FEROCEON
				474	select PCI
				475	select GENERIC_GPIO
Erik Benada	a886565	2009-05-28 17:08:55 -0700	[diff] [blame]	476	select ARCH_REQUIRE_GPIOLIB
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	477	select GENERIC_TIME
				478	select GENERIC_CLOCKEVENTS
				479	select PLAT_ORION
				480	help
				481	Support for the following Marvell MV78xx0 series SoCs:
				482	MV781x0, MV782x0.
				483
				484	config ARCH_ORION5X
				485	bool "Marvell Orion"
				486	depends on MMU
				487	select CPU_FEROCEON
				488	select PCI
				489	select GENERIC_GPIO
Erik Benada	a886565	2009-05-28 17:08:55 -0700	[diff] [blame]	490	select ARCH_REQUIRE_GPIOLIB
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	491	select GENERIC_TIME
				492	select GENERIC_CLOCKEVENTS
				493	select PLAT_ORION
				494	help
				495	Support for the following Marvell Orion 5x series SoCs:
				496	Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
				497	Orion-2 (5281), Orion-1-90 (6183).
				498
				499	config ARCH_MMP
Haojian Zhuang	2f7e8fa	2009-12-04 09:41:28 -0500	[diff] [blame^]	500	bool "Marvell PXA168/910/MMP2"
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	501	depends on MMU
				502	select GENERIC_GPIO
				503	select ARCH_REQUIRE_GPIOLIB
				504	select HAVE_CLK
				505	select COMMON_CLKDEV
				506	select GENERIC_TIME
				507	select GENERIC_CLOCKEVENTS
				508	select TICK_ONESHOT
				509	select PLAT_PXA
				510	help
Haojian Zhuang	2f7e8fa	2009-12-04 09:41:28 -0500	[diff] [blame^]	511	Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	512
Andrew Victor	c53c9cf	2007-05-11 21:01:28 +0100	[diff] [blame]	513	config ARCH_KS8695
				514	bool "Micrel/Kendin KS8695"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	515	select CPU_ARM922T
Andrew Victor	8a87a99	2007-05-14 14:30:15 +0100	[diff] [blame]	516	select GENERIC_GPIO
Daniel Silverstone	72880ad	2008-12-13 20:44:12 +0000	[diff] [blame]	517	select ARCH_REQUIRE_GPIOLIB
Andrew Victor	c53c9cf	2007-05-11 21:01:28 +0100	[diff] [blame]	518	help
				519	Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
				520	System-on-Chip devices.
				521
Uwe Kleine-König	9918cda	2007-02-16 15:36:55 +0100	[diff] [blame]	522	config ARCH_NS9XXX
				523	bool "NetSilicon NS9xxx"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	524	select CPU_ARM926T
Uwe Kleine-König	689f2a0	2007-09-30 20:35:09 +0100	[diff] [blame]	525	select GENERIC_GPIO
Uwe Kleine-König	cef5975	2007-09-30 20:35:48 +0100	[diff] [blame]	526	select GENERIC_TIME
Uwe Kleine-König	c0bb87f	2007-09-30 20:36:00 +0100	[diff] [blame]	527	select GENERIC_CLOCKEVENTS
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	528	select HAVE_CLK
Uwe Kleine-König	9918cda	2007-02-16 15:36:55 +0100	[diff] [blame]	529	help
				530	Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
				531	System.
				532
				533	<http://www.digi.com/products/microprocessors/index.jsp>
				534
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	535	config ARCH_W90X900
				536	bool "Nuvoton W90X900 CPU"
				537	select CPU_ARM926T
wanzongshun	c52d3d6	2009-06-10 15:49:32 +0100	[diff] [blame]	538	select ARCH_REQUIRE_GPIOLIB
				539	select GENERIC_GPIO
wanzongshun	d2c2419	2009-07-14 15:09:54 +0100	[diff] [blame]	540	select HAVE_CLK
wanzongshun	0e4a34b	2009-06-10 15:50:44 +0100	[diff] [blame]	541	select COMMON_CLKDEV
wanzongshun	58b5369	2009-08-14 15:36:44 +0100	[diff] [blame]	542	select GENERIC_TIME
				543	select GENERIC_CLOCKEVENTS
Lennert Buytenhek	777f9be	2008-06-22 22:45:02 +0200	[diff] [blame]	544	help
wanzongshun	a8bc4ea	2009-08-14 15:38:29 +0100	[diff] [blame]	545	Support for Nuvoton (Winbond logic dept.) ARM9 processor,
				546	At present, the w90x900 has been renamed nuc900, regarding
				547	the ARM series product line, you can login the following
				548	link address to know more.
				549
				550	<http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
				551	ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
Tzachi Perelstein	585cf17	2007-10-23 15:14:41 -0400	[diff] [blame]	552
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	553	config ARCH_PNX4008
				554	bool "Philips Nexperia PNX4008 Mobile"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	555	select CPU_ARM926T
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	556	select HAVE_CLK
Deepak Saxena	4af6fee	2006-06-20 21:30:44 +0100	[diff] [blame]	557	help
				558	This enables support for Philips PNX4008 mobile platform.
				559
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	560	config ARCH_PXA
eric miao	2c8086a	2007-09-11 19:13:17 -0700	[diff] [blame]	561	bool "PXA2xx/PXA3xx-based"
Russell King	a4f7e76	2006-06-28 12:52:41 +0100	[diff] [blame]	562	depends on MMU
Al Viro	034d2f5	2005-12-19 16:27:59 -0500	[diff] [blame]	563	select ARCH_MTD_XIP
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	564	select ARCH_HAS_CPUFREQ
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	565	select GENERIC_GPIO
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	566	select HAVE_CLK
Russell King	8c3abc7	2008-11-08 20:25:21 +0000	[diff] [blame]	567	select COMMON_CLKDEV
Michael Buesch	7444a72	2008-07-25 01:46:11 -0700	[diff] [blame]	568	select ARCH_REQUIRE_GPIOLIB
Nicolas Pitre	45cf5ee	2007-02-05 22:37:07 +0100	[diff] [blame]	569	select GENERIC_TIME
Eric Miao	981d0f3	2007-07-24 01:22:43 +0100	[diff] [blame]	570	select GENERIC_CLOCKEVENTS
Russell King	a88264c	2007-11-12 22:45:16 +0000	[diff] [blame]	571	select TICK_ONESHOT
Eric Miao	bd5ce43	2009-01-20 12:06:01 +0800	[diff] [blame]	572	select PLAT_PXA
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	573	help
eric miao	2c8086a	2007-09-11 19:13:17 -0700	[diff] [blame]	574	Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	575
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	576	config ARCH_MSM
				577	bool "Qualcomm MSM"
				578	select CPU_V6
Eric Miao	49cbe78	2009-01-20 14:15:18 +0800	[diff] [blame]	579	select GENERIC_TIME
				580	select GENERIC_CLOCKEVENTS
Eric Miao	49cbe78	2009-01-20 14:15:18 +0800	[diff] [blame]	581	help
Russell King	788c970	2009-04-26 14:21:59 +0100	[diff] [blame]	582	Support for Qualcomm MSM7K based systems. This runs on the ARM11
				583	apps processor of the MSM7K and depends on a shared memory
				584	interface to the ARM9 modem processor which runs the baseband stack
				585	and controls some vital subsystems (clock and power control, etc).
Eric Miao	49cbe78	2009-01-20 14:15:18 +0800	[diff] [blame]	586
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	587	config ARCH_RPC
				588	bool "RiscPC"
				589	select ARCH_ACORN
				590	select FIQ
				591	select TIMER_ACORN
viro@ZenIV.linux.org.uk	a08b6b7	2005-09-06 01:48:42 +0100	[diff] [blame]	592	select ARCH_MAY_HAVE_PC_FDC
Ben Dooks	341eb78	2008-07-01 14:16:49 +0100	[diff] [blame]	593	select HAVE_PATA_PLATFORM
Russell King	065909b	2006-01-04 15:44:16 +0000	[diff] [blame]	594	select ISA_DMA_API
Al Viro	5ea8176	2007-02-11 15:41:31 +0000	[diff] [blame]	595	select NO_IOPORT
Russell King	07f841b	2008-10-01 17:11:06 +0100	[diff] [blame]	596	select ARCH_SPARSEMEM_ENABLE
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	597	help
				598	On the Acorn Risc-PC, Linux can support the internal IDE disk and
				599	CD-ROM interface, serial and parallel port, and the floppy drive.
				600
				601	config ARCH_SA1100
				602	bool "SA1100-based"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	603	select CPU_SA1100
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	604	select ISA
Russell King	05944d7	2006-11-30 20:43:51 +0000	[diff] [blame]	605	select ARCH_SPARSEMEM_ENABLE
Al Viro	034d2f5	2005-12-19 16:27:59 -0500	[diff] [blame]	606	select ARCH_MTD_XIP
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	607	select ARCH_HAS_CPUFREQ
Russell King	1937f5b	2009-12-12 16:20:57 +0000	[diff] [blame]	608	select CPU_FREQ
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	609	select GENERIC_GPIO
Russell King	d142b6e	2007-11-12 21:55:12 +0000	[diff] [blame]	610	select GENERIC_TIME
Russell King	3e238be	2008-04-14 23:03:10 +0100	[diff] [blame]	611	select GENERIC_CLOCKEVENTS
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	612	select HAVE_CLK
Russell King	3e238be	2008-04-14 23:03:10 +0100	[diff] [blame]	613	select TICK_ONESHOT
Michael Buesch	7444a72	2008-07-25 01:46:11 -0700	[diff] [blame]	614	select ARCH_REQUIRE_GPIOLIB
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	615	help
				616	Support for StrongARM 11x0 based boards.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	617
				618	config ARCH_S3C2410
Ben Dooks	e4d06e3	2007-02-16 12:12:31 +0100	[diff] [blame]	619	bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
David Brownell	0a938b9	2007-03-05 00:30:18 -0800	[diff] [blame]	620	select GENERIC_GPIO
Ben Dooks	9d56c02	2009-07-30 23:23:25 +0100	[diff] [blame]	621	select ARCH_HAS_CPUFREQ
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	622	select HAVE_CLK
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	623	help
				624	Samsung S3C2410X CPU based systems, such as the Simtec Electronics
				625	BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
Martin Michlmayr	f6c8965	2006-02-08 21:09:07 +0000	[diff] [blame]	626	the Samsung SMDK2410 development board (and derivatives).
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	627
Ben Dooks	a08ab63	2008-10-21 14:06:39 +0100	[diff] [blame]	628	config ARCH_S3C64XX
				629	bool "Samsung S3C64XX"
				630	select GENERIC_GPIO
				631	select HAVE_CLK
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	632	select ARCH_HAS_CPUFREQ
Ben Dooks	a08ab63	2008-10-21 14:06:39 +0100	[diff] [blame]	633	help
				634	Samsung S3C64XX series based systems
				635
Kukjin Kim	c4ffccd	2010-01-14 08:19:36 +0900	[diff] [blame]	636	config ARCH_S5P6440
				637	bool "Samsung S5P6440"
				638	select CPU_V6
				639	select GENERIC_GPIO
				640	select HAVE_CLK
				641	help
				642	Samsung S5P6440 CPU based systems
				643
Byungho Min	5a7652f	2009-06-23 21:39:42 +0900	[diff] [blame]	644	config ARCH_S5PC1XX
				645	bool "Samsung S5PC1XX"
				646	select GENERIC_GPIO
				647	select HAVE_CLK
				648	select CPU_V7
				649	help
				650	Samsung S5PC1XX series based systems
				651
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	652	config ARCH_SHARK
				653	bool "Shark"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	654	select CPU_SA110
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	655	select ISA
				656	select ISA_DMA
Nicolas Pitre	3bca103	2008-10-07 20:14:55 +0100	[diff] [blame]	657	select ZONE_DMA
Russell King	f7e68bb	2005-05-05 14:49:01 +0100	[diff] [blame]	658	select PCI
Martin Michlmayr	f999b8b	2006-02-08 21:09:05 +0000	[diff] [blame]	659	help
				660	Support for the StrongARM based Digital DNARD machine, also known
				661	as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	662
				663	config ARCH_LH7A40X
				664	bool "Sharp LH7A40X"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	665	select CPU_ARM922T
Russell King	4ba3f7c	2008-10-01 21:38:23 +0100	[diff] [blame]	666	select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM
				667	select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	668	help
				669	Say Y here for systems based on one of the Sharp LH7A40X
				670	System on a Chip processors. These CPUs include an ARM922T
				671	core with a wide array of integrated devices for
				672	hand-held and low-power applications.
				673
Linus Walleij	d98aac7	2009-04-27 10:21:46 +0100	[diff] [blame]	674	config ARCH_U300
				675	bool "ST-Ericsson U300 Series"
				676	depends on MMU
				677	select CPU_ARM926T
Linus Walleij	bc58177	2009-09-15 17:30:37 +0100	[diff] [blame]	678	select HAVE_TCM
Linus Walleij	d98aac7	2009-04-27 10:21:46 +0100	[diff] [blame]	679	select ARM_AMBA
				680	select ARM_VIC
				681	select GENERIC_TIME
				682	select GENERIC_CLOCKEVENTS
				683	select HAVE_CLK
				684	select COMMON_CLKDEV
				685	select GENERIC_GPIO
				686	help
				687	Support for ST-Ericsson U300 series mobile platforms.
				688
Kevin Hilman	7c6337e	2007-04-30 19:37:19 +0100	[diff] [blame]	689	config ARCH_DAVINCI
				690	bool "TI DaVinci"
Russell King	c750815	2008-10-26 10:55:14 +0000	[diff] [blame]	691	select CPU_ARM926T
Kevin Hilman	7c6337e	2007-04-30 19:37:19 +0100	[diff] [blame]	692	select GENERIC_TIME
				693	select GENERIC_CLOCKEVENTS
Vladimir Barinov	3d9edf0	2007-07-10 13:03:43 +0100	[diff] [blame]	694	select GENERIC_GPIO
David Brownell	dce1115	2008-09-07 23:41:04 -0700	[diff] [blame]	695	select ARCH_REQUIRE_GPIOLIB
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	696	select HAVE_CLK
Nicolas Pitre	3bca103	2008-10-07 20:14:55 +0100	[diff] [blame]	697	select ZONE_DMA
Kevin Hilman	9232fcc	2009-04-08 14:49:38 -0700	[diff] [blame]	698	select HAVE_IDE
Kevin Hilman	c5b736d	2009-03-20 17:29:01 -0700	[diff] [blame]	699	select COMMON_CLKDEV
David Brownell	20e9969	2009-05-07 09:31:42 -0700	[diff] [blame]	700	select GENERIC_ALLOCATOR
Sekhar Nori	ae88e05	2009-11-19 15:34:01 +0530	[diff] [blame]	701	select ARCH_HAS_HOLES_MEMORYMODEL
Kevin Hilman	7c6337e	2007-04-30 19:37:19 +0100	[diff] [blame]	702	help
				703	Support for TI's DaVinci platform.
				704
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	705	config ARCH_OMAP
				706	bool "TI OMAP"
				707	select GENERIC_GPIO
David Brownell	9483a57	2008-07-23 21:26:48 -0700	[diff] [blame]	708	select HAVE_CLK
Michael Buesch	7444a72	2008-07-25 01:46:11 -0700	[diff] [blame]	709	select ARCH_REQUIRE_GPIOLIB
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	710	select ARCH_HAS_CPUFREQ
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	711	select GENERIC_TIME
Kevin Hilman	06cad09	2007-10-18 23:04:43 -0700	[diff] [blame]	712	select GENERIC_CLOCKEVENTS
Sriram	9af915d	2010-01-29 14:20:05 -0800	[diff] [blame]	713	select ARCH_HAS_HOLES_MEMORYMODEL
Russell King	3b938be	2007-05-12 11:25:44 +0100	[diff] [blame]	714	help
				715	Support for TI's OMAP platform (OMAP1 and OMAP2).
				716
Leo Chen	6288e28	2009-08-07 19:46:15 +0100	[diff] [blame]	717	config ARCH_BCMRING
				718	bool "Broadcom BCMRING"
				719	depends on MMU
				720	select CPU_V6
				721	select ARM_AMBA
				722	select COMMON_CLKDEV
				723	select GENERIC_TIME
				724	select GENERIC_CLOCKEVENTS
				725	select ARCH_WANT_OPTIONAL_GPIOLIB
				726	help
				727	Support for Broadcom's BCMRing platform.
				728
Srinidhi Kasagar	850265e	2009-11-28 08:24:47 +0100	[diff] [blame]	729	config ARCH_U8500
				730	bool "ST-Ericsson U8500 Series"
				731	select CPU_V7
				732	select ARM_AMBA
				733	select GENERIC_TIME
				734	select GENERIC_CLOCKEVENTS
				735	select COMMON_CLKDEV
				736	help
				737	Support for ST-Ericsson's Ux500 architecture
				738
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	739	endchoice
				740
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	741	source "arch/arm/mach-aaec2000/Kconfig"
				742
				743	source "arch/arm/mach-at91/Kconfig"
				744
				745	source "arch/arm/mach-bcmring/Kconfig"
				746
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	747	source "arch/arm/mach-clps711x/Kconfig"
				748
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	749	source "arch/arm/mach-davinci/Kconfig"
				750
				751	source "arch/arm/mach-dove/Kconfig"
				752
Lennert Buytenhek	e7736d4	2006-03-20 17:10:13 +0000	[diff] [blame]	753	source "arch/arm/mach-ep93xx/Kconfig"
				754
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	755	source "arch/arm/mach-footbridge/Kconfig"
				756
Paulius Zaleckas	59d3a19	2009-03-26 10:06:08 +0200	[diff] [blame]	757	source "arch/arm/mach-gemini/Kconfig"
				758
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	759	source "arch/arm/mach-h720x/Kconfig"
				760
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	761	source "arch/arm/mach-integrator/Kconfig"
				762
Lennert Buytenhek	3f7e581	2006-09-18 23:10:26 +0100	[diff] [blame]	763	source "arch/arm/mach-iop32x/Kconfig"
				764
				765	source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	766
Dan Williams	285f5fa	2006-12-07 02:59:39 +0100	[diff] [blame]	767	source "arch/arm/mach-iop13xx/Kconfig"
				768
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	769	source "arch/arm/mach-ixp4xx/Kconfig"
				770
				771	source "arch/arm/mach-ixp2000/Kconfig"
				772
Lennert Buytenhek	c471307	2006-03-28 21:18:54 +0100	[diff] [blame]	773	source "arch/arm/mach-ixp23xx/Kconfig"
				774
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	775	source "arch/arm/mach-kirkwood/Kconfig"
				776
				777	source "arch/arm/mach-ks8695/Kconfig"
				778
				779	source "arch/arm/mach-lh7a40x/Kconfig"
				780
Lennert Buytenhek	777f9be	2008-06-22 22:45:02 +0200	[diff] [blame]	781	source "arch/arm/mach-loki/Kconfig"
				782
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	783	source "arch/arm/mach-msm/Kconfig"
				784
Stanislav Samsonov	794d15b	2008-06-22 22:45:10 +0200	[diff] [blame]	785	source "arch/arm/mach-mv78xx0/Kconfig"
				786
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	787	source "arch/arm/plat-mxc/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	788
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	789	source "arch/arm/mach-netx/Kconfig"
Eric Miao	49cbe78	2009-01-20 14:15:18 +0800	[diff] [blame]	790
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	791	source "arch/arm/mach-nomadik/Kconfig"
				792	source "arch/arm/plat-nomadik/Kconfig"
				793
				794	source "arch/arm/mach-ns9xxx/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	795
Tony Lindgren	d48af15	2005-07-10 19:58:17 +0100	[diff] [blame]	796	source "arch/arm/plat-omap/Kconfig"
				797
				798	source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	799
Tony Lindgren	1dbae81	2005-11-10 14:26:51 +0000	[diff] [blame]	800	source "arch/arm/mach-omap2/Kconfig"
				801
Lennert Buytenhek	9dd0b19	2008-03-27 14:51:41 -0400	[diff] [blame]	802	source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein	585cf17	2007-10-23 15:14:41 -0400	[diff] [blame]	803
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	804	source "arch/arm/mach-pxa/Kconfig"
				805	source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	806
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	807	source "arch/arm/mach-mmp/Kconfig"
				808
				809	source "arch/arm/mach-realview/Kconfig"
				810
				811	source "arch/arm/mach-sa1100/Kconfig"
Saeed Bishara	edabd38	2009-08-06 15:12:43 +0300	[diff] [blame]	812
Ben Dooks	cf38367	2009-11-10 00:14:58 +0000	[diff] [blame]	813	source "arch/arm/plat-samsung/Kconfig"
Ben Dooks	a21765a	2007-02-11 18:31:01 +0100	[diff] [blame]	814	source "arch/arm/plat-s3c24xx/Kconfig"
Ben Dooks	a08ab63	2008-10-21 14:06:39 +0100	[diff] [blame]	815	source "arch/arm/plat-s3c64xx/Kconfig"
Ben Dooks	d58153d	2007-07-22 16:07:09 +0100	[diff] [blame]	816	source "arch/arm/plat-s3c/Kconfig"
Kukjin Kim	c4ffccd	2010-01-14 08:19:36 +0900	[diff] [blame]	817	source "arch/arm/plat-s5p/Kconfig"
Byungho Min	5a7652f	2009-06-23 21:39:42 +0900	[diff] [blame]	818	source "arch/arm/plat-s5pc1xx/Kconfig"
Ben Dooks	a21765a	2007-02-11 18:31:01 +0100	[diff] [blame]	819
				820	if ARCH_S3C2410
				821	source "arch/arm/mach-s3c2400/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	822	source "arch/arm/mach-s3c2410/Kconfig"
Ben Dooks	a21765a	2007-02-11 18:31:01 +0100	[diff] [blame]	823	source "arch/arm/mach-s3c2412/Kconfig"
				824	source "arch/arm/mach-s3c2440/Kconfig"
				825	source "arch/arm/mach-s3c2442/Kconfig"
Ben Dooks	e4d06e3	2007-02-16 12:12:31 +0100	[diff] [blame]	826	source "arch/arm/mach-s3c2443/Kconfig"
Ben Dooks	a21765a	2007-02-11 18:31:01 +0100	[diff] [blame]	827	endif
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	828
Ben Dooks	a08ab63	2008-10-21 14:06:39 +0100	[diff] [blame]	829	if ARCH_S3C64XX
				830	source "arch/arm/mach-s3c6400/Kconfig"
				831	source "arch/arm/mach-s3c6410/Kconfig"
				832	endif
				833
Kukjin Kim	c4ffccd	2010-01-14 08:19:36 +0900	[diff] [blame]	834	source "arch/arm/mach-s5p6440/Kconfig"
				835
dmitry pervushin	7bd0f2f	2009-04-27 10:35:04 +0100	[diff] [blame]	836	source "arch/arm/plat-stmp3xxx/Kconfig"
				837
Byungho Min	5a7652f	2009-06-23 21:39:42 +0900	[diff] [blame]	838	if ARCH_S5PC1XX
				839	source "arch/arm/mach-s5pc100/Kconfig"
				840	endif
				841
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	842	source "arch/arm/mach-u300/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	843
Russell King	95b8f20	2010-01-14 11:43:54 +0000	[diff] [blame]	844	source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	845
				846	source "arch/arm/mach-versatile/Kconfig"
				847
wanzongshun	7ec80dd	2008-12-03 03:55:38 +0100	[diff] [blame]	848	source "arch/arm/mach-w90x900/Kconfig"
				849
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	850	# Definitions to make life easier
				851	config ARCH_ACORN
				852	bool
				853
Lennert Buytenhek	7ae1f7e	2006-09-18 23:12:53 +0100	[diff] [blame]	854	config PLAT_IOP
				855	bool
Mikael Pettersson	469d3044	2009-10-29 11:46:54 -0700	[diff] [blame]	856	select GENERIC_CLOCKEVENTS
Mikael Pettersson	980f229	2009-10-29 11:46:55 -0700	[diff] [blame]	857	select GENERIC_TIME
Lennert Buytenhek	7ae1f7e	2006-09-18 23:12:53 +0100	[diff] [blame]	858
Lennert Buytenhek	69b02f6	2008-03-27 14:51:39 -0400	[diff] [blame]	859	config PLAT_ORION
				860	bool
				861
Eric Miao	bd5ce43	2009-01-20 12:06:01 +0800	[diff] [blame]	862	config PLAT_PXA
				863	bool
				864
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	865	source arch/arm/mm/Kconfig
				866
Lennert Buytenhek	afe4b25	2006-12-03 18:51:14 +0100	[diff] [blame]	867	config IWMMXT
				868	bool "Enable iWMMXt support"
Eric Miao	40305a5	2009-02-26 09:34:35 +0800	[diff] [blame]	869	depends on CPU_XSCALE \|\| CPU_XSC3 \|\| CPU_MOHAWK
				870	default y if PXA27x \|\| PXA3xx \|\| ARCH_MMP
Lennert Buytenhek	afe4b25	2006-12-03 18:51:14 +0100	[diff] [blame]	871	help
				872	Enable support for iWMMXt context switching at run time if
				873	running on a CPU that supports it.
				874
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	875	# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
				876	config XSCALE_PMU
				877	bool
				878	depends on CPU_XSCALE && !XSCALE_PMU_TIMER
				879	default y
				880
Hyok S. Choi	3b93e7b	2006-06-22 11:48:56 +0100	[diff] [blame]	881	if !MMU
				882	source "arch/arm/Kconfig-nommu"
				883	endif
				884
Catalin Marinas	9cba3cc	2009-04-30 17:06:03 +0100	[diff] [blame]	885	config ARM_ERRATA_411920
				886	bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
				887	depends on CPU_V6 && !SMP
				888	help
				889	Invalidation of the Instruction Cache operation can
				890	fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
				891	It does not affect the MPCore. This option enables the ARM Ltd.
				892	recommended workaround.
				893
Catalin Marinas	7ce236f	2009-04-30 17:06:09 +0100	[diff] [blame]	894	config ARM_ERRATA_430973
				895	bool "ARM errata: Stale prediction on replaced interworking branch"
				896	depends on CPU_V7
				897	help
				898	This option enables the workaround for the 430973 Cortex-A8
				899	(r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
				900	interworking branch is replaced with another code sequence at the
				901	same virtual address, whether due to self-modifying code or virtual
				902	to physical address re-mapping, Cortex-A8 does not recover from the
				903	stale interworking branch prediction. This results in Cortex-A8
				904	executing the new code sequence in the incorrect ARM or Thumb state.
				905	The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
				906	and also flushes the branch target cache at every context switch.
				907	Note that setting specific bits in the ACTLR register may not be
				908	available in non-secure mode.
				909
Catalin Marinas	855c551	2009-04-30 17:06:15 +0100	[diff] [blame]	910	config ARM_ERRATA_458693
				911	bool "ARM errata: Processor deadlock when a false hazard is created"
				912	depends on CPU_V7
				913	help
				914	This option enables the workaround for the 458693 Cortex-A8 (r2p0)
				915	erratum. For very specific sequences of memory operations, it is
				916	possible for a hazard condition intended for a cache line to instead
				917	be incorrectly associated with a different cache line. This false
				918	hazard might then cause a processor deadlock. The workaround enables
				919	the L1 caching of the NEON accesses and disables the PLD instruction
				920	in the ACTLR register. Note that setting specific bits in the ACTLR
				921	register may not be available in non-secure mode.
				922
Catalin Marinas	0516e46	2009-04-30 17:06:20 +0100	[diff] [blame]	923	config ARM_ERRATA_460075
				924	bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
				925	depends on CPU_V7
				926	help
				927	This option enables the workaround for the 460075 Cortex-A8 (r2p0)
				928	erratum. Any asynchronous access to the L2 cache may encounter a
				929	situation in which recent store transactions to the L2 cache are lost
				930	and overwritten with stale memory contents from external memory. The
				931	workaround disables the write-allocate mode for the L2 cache via the
				932	ACTLR register. Note that setting specific bits in the ACTLR register
				933	may not be available in non-secure mode.
				934
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	935	endmenu
				936
				937	source "arch/arm/common/Kconfig"
				938
				939	config FORCE_MAX_ZONEORDER
				940	int
				941	depends on SA1111
				942	default "9"
				943
				944	menu "Bus support"
				945
				946	config ARM_AMBA
				947	bool
				948
				949	config ISA
				950	bool
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	951	help
				952	Find out whether you have ISA slots on your motherboard. ISA is the
				953	name of a bus system, i.e. the way the CPU talks to the other stuff
				954	inside your box. Other bus systems are PCI, EISA, MicroChannel
				955	(MCA) or VESA. ISA is an older system, now being displaced by PCI;
				956	newer boards don't support it. If you have ISA, say Y, otherwise N.
				957
Russell King	065909b	2006-01-04 15:44:16 +0000	[diff] [blame]	958	# Select ISA DMA controller support
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	959	config ISA_DMA
				960	bool
Russell King	065909b	2006-01-04 15:44:16 +0000	[diff] [blame]	961	select ISA_DMA_API
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	962
Russell King	065909b	2006-01-04 15:44:16 +0000	[diff] [blame]	963	# Select ISA DMA interface
Al Viro	5cae841	2005-05-04 05:39:22 +0100	[diff] [blame]	964	config ISA_DMA_API
				965	bool
Al Viro	5cae841	2005-05-04 05:39:22 +0100	[diff] [blame]	966
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	967	config PCI
Mike Rapoport	a0113a9	2007-11-25 08:55:34 +0100	[diff] [blame]	968	bool "PCI support" if ARCH_INTEGRATOR_AP \|\| ARCH_VERSATILE_PB \|\| ARCH_IXP4XX \|\| ARCH_KS8695 \|\| MACH_ARMCORE
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	969	help
				970	Find out whether you have a PCI motherboard. PCI is the name of a
				971	bus system, i.e. the way the CPU talks to the other stuff inside
				972	your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
				973	VESA. If you have PCI, say Y, otherwise N.
				974
Matthew Wilcox	36e2359	2007-07-10 10:54:40 -0600	[diff] [blame]	975	config PCI_SYSCALL
				976	def_bool PCI
				977
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	978	# Select the host bridge type
				979	config PCI_HOST_VIA82C505
				980	bool
				981	depends on PCI && ARCH_SHARK
				982	default y
				983
Mike Rapoport	a0113a9	2007-11-25 08:55:34 +0100	[diff] [blame]	984	config PCI_HOST_ITE8152
				985	bool
				986	depends on PCI && MACH_ARMCORE
				987	default y
				988	select DMABOUNCE
				989
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	990	source "drivers/pci/Kconfig"
				991
				992	source "drivers/pcmcia/Kconfig"
				993
				994	endmenu
				995
				996	menu "Kernel Features"
				997
Kevin Hilman	0567a0c	2007-03-13 20:29:24 +0100	[diff] [blame]	998	source "kernel/time/Kconfig"
				999
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1000	config SMP
				1001	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
Russell King	42578c8	2009-06-11 15:35:00 +0100	[diff] [blame]	1002	depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP \|\| REALVIEW_EB_A9MP \|\|\
Srinidhi Kasagar	850265e	2009-11-28 08:24:47 +0100	[diff] [blame]	1003	MACH_REALVIEW_PB11MP \|\| MACH_REALVIEW_PBX \|\| ARCH_OMAP4 \|\| ARCH_U8500)
Russell King	bc28248	2009-05-17 18:58:34 +0100	[diff] [blame]	1004	depends on GENERIC_CLOCKEVENTS
Jens Axboe	f6dd9fa	2008-06-10 20:48:30 +0200	[diff] [blame]	1005	select USE_GENERIC_SMP_HELPERS
Srinidhi Kasagar	850265e	2009-11-28 08:24:47 +0100	[diff] [blame]	1006	select HAVE_ARM_SCU if (ARCH_REALVIEW \|\| ARCH_OMAP4 \|\| ARCH_U8500)
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1007	help
				1008	This enables support for systems with more than one CPU. If you have
				1009	a system with only one CPU, like most personal computers, say N. If
				1010	you have a system with more than one CPU, say Y.
				1011
				1012	If you say N here, the kernel will run on single and multiprocessor
				1013	machines, but will use only one CPU of a multiprocessor machine. If
				1014	you say Y here, the kernel will run on many, but not all, single
				1015	processor machines. On a single processor machine, the kernel will
				1016	run faster if you say N here.
				1017
Adrian Bunk	03502fa	2008-02-03 15:50:21 +0200	[diff] [blame]	1018	See also <file:Documentation/i386/IO-APIC.txt>,
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1019	<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
				1020	<http://www.linuxdoc.org/docs.html#howto>.
				1021
				1022	If you don't know what to do here, say N.
				1023
Russell King	a8cbcd9	2009-05-16 11:51:14 +0100	[diff] [blame]	1024	config HAVE_ARM_SCU
				1025	bool
				1026	depends on SMP
				1027	help
				1028	This option enables support for the ARM system coherency unit
				1029
Russell King	f32f4ce	2009-05-16 12:14:21 +0100	[diff] [blame]	1030	config HAVE_ARM_TWD
				1031	bool
				1032	depends on SMP
				1033	help
				1034	This options enables support for the ARM timer and watchdog unit
				1035
Lennert Buytenhek	8d5796d	2008-08-25 21:03:32 +0100	[diff] [blame]	1036	choice
				1037	prompt "Memory split"
				1038	default VMSPLIT_3G
				1039	help
				1040	Select the desired split between kernel and user memory.
				1041
				1042	If you are not absolutely sure what you are doing, leave this
				1043	option alone!
				1044
				1045	config VMSPLIT_3G
				1046	bool "3G/1G user/kernel split"
				1047	config VMSPLIT_2G
				1048	bool "2G/2G user/kernel split"
				1049	config VMSPLIT_1G
				1050	bool "1G/3G user/kernel split"
				1051	endchoice
				1052
				1053	config PAGE_OFFSET
				1054	hex
				1055	default 0x40000000 if VMSPLIT_1G
				1056	default 0x80000000 if VMSPLIT_2G
				1057	default 0xC0000000
				1058
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1059	config NR_CPUS
				1060	int "Maximum number of CPUs (2-32)"
				1061	range 2 32
				1062	depends on SMP
				1063	default "4"
				1064
Russell King	a054a81	2005-11-02 22:24:33 +0000	[diff] [blame]	1065	config HOTPLUG_CPU
				1066	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
				1067	depends on SMP && HOTPLUG && EXPERIMENTAL
				1068	help
				1069	Say Y here to experiment with turning CPUs off and on. CPUs
				1070	can be controlled through /sys/devices/system/cpu.
				1071
Russell King	37ee16a	2005-11-08 19:08:05 +0000	[diff] [blame]	1072	config LOCAL_TIMERS
				1073	bool "Use local timer interrupts"
Russell King	42578c8	2009-06-11 15:35:00 +0100	[diff] [blame]	1074	depends on SMP && (REALVIEW_EB_ARM11MP \|\| MACH_REALVIEW_PB11MP \|\| \
Srinidhi Kasagar	850265e	2009-11-28 08:24:47 +0100	[diff] [blame]	1075	REALVIEW_EB_A9MP \|\| MACH_REALVIEW_PBX \|\| ARCH_OMAP4 \|\| ARCH_U8500)
Russell King	37ee16a	2005-11-08 19:08:05 +0000	[diff] [blame]	1076	default y
Srinidhi Kasagar	850265e	2009-11-28 08:24:47 +0100	[diff] [blame]	1077	select HAVE_ARM_TWD if (ARCH_REALVIEW \|\| ARCH_OMAP4 \|\| ARCH_U8500)
Russell King	37ee16a	2005-11-08 19:08:05 +0000	[diff] [blame]	1078	help
				1079	Enable support for local timers on SMP platforms, rather then the
				1080	legacy IPI broadcast method. Local timers allows the system
				1081	accounting to be spread across the timer interval, preventing a
				1082	"thundering herd" at every timer tick.
				1083
Uwe Kleine-König	d45a398	2009-08-13 20:38:17 +0200	[diff] [blame]	1084	source kernel/Kconfig.preempt
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1085
Russell King	f806581	2006-03-02 22:41:59 +0000	[diff] [blame]	1086	config HZ
				1087	int
				1088	default 128 if ARCH_L7200
Kukjin Kim	c4ffccd	2010-01-14 08:19:36 +0900	[diff] [blame]	1089	default 200 if ARCH_EBSA110 \|\| ARCH_S3C2410 \|\| ARCH_S5P6440
Russell King	bfe6570	2006-03-04 11:01:53 +0000	[diff] [blame]	1090	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell	5248c65	2007-11-12 17:59:10 +0100	[diff] [blame]	1091	default AT91_TIMER_HZ if ARCH_AT91
Russell King	f806581	2006-03-02 22:41:59 +0000	[diff] [blame]	1092	default 100
				1093
Catalin Marinas	16c7965	2009-07-24 12:33:02 +0100	[diff] [blame]	1094	config THUMB2_KERNEL
				1095	bool "Compile the kernel in Thumb-2 mode"
				1096	depends on CPU_V7 && EXPERIMENTAL
				1097	select AEABI
				1098	select ARM_ASM_UNIFIED
				1099	help
				1100	By enabling this option, the kernel will be compiled in
				1101	Thumb-2 mode. A compiler/assembler that understand the unified
				1102	ARM-Thumb syntax is needed.
				1103
				1104	If unsure, say N.
				1105
Catalin Marinas	0becb08	2009-07-24 12:32:53 +0100	[diff] [blame]	1106	config ARM_ASM_UNIFIED
				1107	bool
				1108
Nicolas Pitre	704bdda0	2006-01-14 16:33:50 +0000	[diff] [blame]	1109	config AEABI
				1110	bool "Use the ARM EABI to compile the kernel"
				1111	help
				1112	This option allows for the kernel to be compiled using the latest
				1113	ARM ABI (aka EABI). This is only useful if you are using a user
				1114	space environment that is also compiled with EABI.
				1115
				1116	Since there are major incompatibilities between the legacy ABI and
				1117	EABI, especially with regard to structure member alignment, this
				1118	option also changes the kernel syscall calling convention to
				1119	disambiguate both ABIs and allow for backward compatibility support
				1120	(selected with CONFIG_OABI_COMPAT).
				1121
				1122	To use this you need GCC version 4.0.0 or later.
				1123
Nicolas Pitre	6c90c87	2006-01-14 16:37:15 +0000	[diff] [blame]	1124	config OABI_COMPAT
Russell King	a73a3ff	2006-02-08 21:09:55 +0000	[diff] [blame]	1125	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Nicolas Pitre	61c484d	2006-02-08 21:09:08 +0000	[diff] [blame]	1126	depends on AEABI && EXPERIMENTAL
Nicolas Pitre	6c90c87	2006-01-14 16:37:15 +0000	[diff] [blame]	1127	default y
				1128	help
				1129	This option preserves the old syscall interface along with the
				1130	new (ARM EABI) one. It also provides a compatibility layer to
				1131	intercept syscalls that have structure arguments which layout
				1132	in memory differs between the legacy ABI and the new ARM EABI
				1133	(only for non "thumb" binaries). This option adds a tiny
				1134	overhead to all syscalls and produces a slightly larger kernel.
				1135	If you know you'll be using only pure EABI user space then you
				1136	can say N here. If this option is not selected and you attempt
				1137	to execute a legacy ABI binary then the result will be
				1138	UNPREDICTABLE (in fact it can be predicted that it won't work
				1139	at all). If in doubt say Y.
				1140
Mel Gorman	eb33575	2009-05-13 17:34:48 +0100	[diff] [blame]	1141	config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gorman	e80d6a2	2008-08-14 11:10:14 +0100	[diff] [blame]	1142	bool
Mel Gorman	e80d6a2	2008-08-14 11:10:14 +0100	[diff] [blame]	1143
Russell King	07a2f73	2008-10-01 21:39:58 +0100	[diff] [blame]	1144	# Discontigmem is deprecated
Dave Hansen	3f22ab2	2005-06-23 00:07:43 -0700	[diff] [blame]	1145	config ARCH_DISCONTIGMEM_ENABLE
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1146	bool
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1147
Russell King	05944d7	2006-11-30 20:43:51 +0000	[diff] [blame]	1148	config ARCH_SPARSEMEM_ENABLE
				1149	bool
				1150
Russell King	07a2f73	2008-10-01 21:39:58 +0100	[diff] [blame]	1151	config ARCH_SPARSEMEM_DEFAULT
				1152	def_bool ARCH_SPARSEMEM_ENABLE
				1153
Russell King	05944d7	2006-11-30 20:43:51 +0000	[diff] [blame]	1154	config ARCH_SELECT_MEMORY_MODEL
Russell King	07a2f73	2008-10-01 21:39:58 +0100	[diff] [blame]	1155	def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE
Russell King	05944d7	2006-11-30 20:43:51 +0000	[diff] [blame]	1156
Yasunori Goto	c80d79d	2006-04-10 22:53:53 -0700	[diff] [blame]	1157	config NODES_SHIFT
				1158	int
				1159	default "4" if ARCH_LH7A40X
				1160	default "2"
				1161	depends on NEED_MULTIPLE_NODES
				1162
Nicolas Pitre	053a96c	2008-09-19 00:36:12 -0400	[diff] [blame]	1163	config HIGHMEM
				1164	bool "High Memory Support (EXPERIMENTAL)"
				1165	depends on MMU && EXPERIMENTAL
				1166	help
				1167	The address space of ARM processors is only 4 Gigabytes large
				1168	and it has to accommodate user address space, kernel address
				1169	space as well as some memory mapped IO. That means that, if you
				1170	have a large amount of physical memory and/or IO, not all of the
				1171	memory can be "permanently mapped" by the kernel. The physical
				1172	memory that is not permanently mapped is called "high memory".
				1173
				1174	Depending on the selected kernel/user memory split, minimum
				1175	vmalloc space and actual amount of RAM, you may not need this
				1176	option which should result in a slightly faster kernel.
				1177
				1178	If unsure, say n.
				1179
Russell King	65cec8e	2009-08-17 20:02:06 +0100	[diff] [blame]	1180	config HIGHPTE
				1181	bool "Allocate 2nd-level pagetables from highmem"
				1182	depends on HIGHMEM
				1183	depends on !OUTER_CACHE
				1184
Dave Hansen	3f22ab2	2005-06-23 00:07:43 -0700	[diff] [blame]	1185	source "mm/Kconfig"
				1186
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1187	config LEDS
				1188	bool "Timer and CPU usage LEDs"
Adrian Bunk	e055d5bf	2008-04-22 01:43:27 +0100	[diff] [blame]	1189	depends on ARCH_CDB89712 \|\| ARCH_EBSA110 \|\| \
Sascha Hauer	8c8fdbc	2009-04-01 12:40:15 +0200	[diff] [blame]	1190	ARCH_EBSA285 \|\| ARCH_INTEGRATOR \|\| \
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1191	ARCH_LUBBOCK \|\| MACH_MAINSTONE \|\| ARCH_NETWINDER \|\| \
				1192	ARCH_OMAP \|\| ARCH_P720T \|\| ARCH_PXA_IDP \|\| \
SAN People	73a59c1	2006-01-09 17:05:41 +0000	[diff] [blame]	1193	ARCH_SA1100 \|\| ARCH_SHARK \|\| ARCH_VERSATILE \|\| \
Jürgen Schindele	2532967	2008-09-16 21:36:30 +0100	[diff] [blame]	1194	ARCH_AT91 \|\| ARCH_DAVINCI \|\| \
Colin Tuckley	ff3042f	2009-05-30 13:56:13 +0100	[diff] [blame]	1195	ARCH_KS8695 \|\| MACH_RD88F5182 \|\| ARCH_REALVIEW
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1196	help
				1197	If you say Y here, the LEDs on your machine will be used
				1198	to provide useful information about your current system status.
				1199
				1200	If you are compiling a kernel for a NetWinder or EBSA-285, you will
				1201	be able to select which LEDs are active using the options below. If
				1202	you are compiling a kernel for the EBSA-110 or the LART however, the
				1203	red LED will simply flash regularly to indicate that the system is
				1204	still functional. It is safe to say Y here if you have a CATS
				1205	system, but the driver will do nothing.
				1206
				1207	config LEDS_TIMER
				1208	bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) \|\| \
David Brownell	eebdf7d7	2007-04-02 12:48:10 -0700	[diff] [blame]	1209	OMAP_OSK_MISTRAL \|\| MACH_OMAP_H2 \
				1210	\|\| MACH_OMAP_PERSEUS2
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1211	depends on LEDS
Kevin Hilman	0567a0c	2007-03-13 20:29:24 +0100	[diff] [blame]	1212	depends on !GENERIC_CLOCKEVENTS
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1213	default y if ARCH_EBSA110
				1214	help
				1215	If you say Y here, one of the system LEDs (the green one on the
				1216	NetWinder, the amber one on the EBSA285, or the red one on the LART)
				1217	will flash regularly to indicate that the system is still
				1218	operational. This is mainly useful to kernel hackers who are
				1219	debugging unstable kernels.
				1220
				1221	The LART uses the same LED for both Timer LED and CPU usage LED
				1222	functions. You may choose to use both, but the Timer LED function
				1223	will overrule the CPU usage LED.
				1224
				1225	config LEDS_CPU
				1226	bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownell	eebdf7d7	2007-04-02 12:48:10 -0700	[diff] [blame]	1227	!ARCH_OMAP) \
				1228	\|\| OMAP_OSK_MISTRAL \|\| MACH_OMAP_H2 \
				1229	\|\| MACH_OMAP_PERSEUS2
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1230	depends on LEDS
				1231	help
				1232	If you say Y here, the red LED will be used to give a good real
				1233	time indication of CPU usage, by lighting whenever the idle task
				1234	is not currently executing.
				1235
				1236	The LART uses the same LED for both Timer LED and CPU usage LED
				1237	functions. You may choose to use both, but the Timer LED function
				1238	will overrule the CPU usage LED.
				1239
				1240	config ALIGNMENT_TRAP
				1241	bool
Hyok S. Choi	f12d0d7	2006-09-26 17:36:37 +0900	[diff] [blame]	1242	depends on CPU_CP15_MMU
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1243	default y if !ARCH_EBSA110
				1244	help
Matt LaPlante	84eb8d0	2006-10-03 22:53:09 +0200	[diff] [blame]	1245	ARM processors cannot fetch/store information which is not
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1246	naturally aligned on the bus, i.e., a 4 byte fetch must start at an
				1247	address divisible by 4. On 32-bit ARM processors, these non-aligned
				1248	fetch/store instructions will be emulated in software if you say
				1249	here, which has a severe performance impact. This is necessary for
				1250	correct operation of some network protocols. With an IP-only
				1251	configuration it is safe to say N, otherwise say Y.
				1252
Lennert Buytenhek	39ec58f	2009-03-09 14:30:09 -0400	[diff] [blame]	1253	config UACCESS_WITH_MEMCPY
				1254	bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
				1255	depends on MMU && EXPERIMENTAL
				1256	default y if CPU_FEROCEON
				1257	help
				1258	Implement faster copy_to_user and clear_user methods for CPU
				1259	cores where a 8-word STM instruction give significantly higher
				1260	memory write throughput than a sequence of individual 32bit stores.
				1261
				1262	A possible side effect is a slight increase in scheduling latency
				1263	between threads sharing the same address space if they invoke
				1264	such copy operations with large buffers.
				1265
				1266	However, if the CPU data cache is using a write-allocate mode,
				1267	this option is unlikely to provide any performance gain.
				1268
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1269	endmenu
				1270
				1271	menu "Boot options"
				1272
				1273	# Compressed boot loader in ROM. Yes, we really want to ask about
				1274	# TEXT and BSS so we preserve their values in the config files.
				1275	config ZBOOT_ROM_TEXT
				1276	hex "Compressed ROM boot loader base address"
				1277	default "0"
				1278	help
				1279	The physical address at which the ROM-able zImage is to be
				1280	placed in the target. Platforms which normally make use of
				1281	ROM-able zImage formats normally set this to a suitable
				1282	value in their defconfig file.
				1283
				1284	If ZBOOT_ROM is not enabled, this has no effect.
				1285
				1286	config ZBOOT_ROM_BSS
				1287	hex "Compressed ROM boot loader BSS address"
				1288	default "0"
				1289	help
Dan Fandrich	f8c440b	2006-09-20 23:28:51 +0100	[diff] [blame]	1290	The base address of an area of read/write memory in the target
				1291	for the ROM-able zImage which must be available while the
				1292	decompressor is running. It must be large enough to hold the
				1293	entire decompressed kernel plus an additional 128 KiB.
				1294	Platforms which normally make use of ROM-able zImage formats
				1295	normally set this to a suitable value in their defconfig file.
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1296
				1297	If ZBOOT_ROM is not enabled, this has no effect.
				1298
				1299	config ZBOOT_ROM
				1300	bool "Compressed boot loader in ROM/flash"
				1301	depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
				1302	help
				1303	Say Y here if you intend to execute your compressed kernel image
				1304	(zImage) directly from ROM or flash. If unsure, say N.
				1305
				1306	config CMDLINE
				1307	string "Default kernel command string"
				1308	default ""
				1309	help
				1310	On some architectures (EBSA110 and CATS), there is currently no way
				1311	for the boot loader to pass arguments to the kernel. For these
				1312	architectures, you should supply some command-line options at build
				1313	time by entering them here. As a minimum, you should specify the
				1314	memory size and the root device (e.g., mem=64M root=/dev/nfs).
				1315
				1316	config XIP_KERNEL
				1317	bool "Kernel Execute-In-Place from ROM"
				1318	depends on !ZBOOT_ROM
				1319	help
				1320	Execute-In-Place allows the kernel to run from non-volatile storage
				1321	directly addressable by the CPU, such as NOR flash. This saves RAM
				1322	space since the text section of the kernel is not loaded from flash
				1323	to RAM. Read-write sections, such as the data section and stack,
				1324	are still copied to RAM. The XIP kernel is not compressed since
				1325	it has to run directly from flash, so it will take more space to
				1326	store it. The flash address used to link the kernel object files,
				1327	and for storing it, is configuration dependent. Therefore, if you
				1328	say Y here, you must know the proper physical address where to
				1329	store the kernel image depending on your own flash memory usage.
				1330
				1331	Also note that the make target becomes "make xipImage" rather than
				1332	"make zImage" or "make Image". The final kernel binary to put in
				1333	ROM memory will be arch/arm/boot/xipImage.
				1334
				1335	If unsure, say N.
				1336
				1337	config XIP_PHYS_ADDR
				1338	hex "XIP Kernel Physical Location"
				1339	depends on XIP_KERNEL
				1340	default "0x00080000"
				1341	help
				1342	This is the physical address in your flash memory the kernel will
				1343	be linked for and stored to. This address is dependent on your
				1344	own flash usage.
				1345
Richard Purdie	c587e4a	2007-02-06 21:29:00 +0100	[diff] [blame]	1346	config KEXEC
				1347	bool "Kexec system call (EXPERIMENTAL)"
				1348	depends on EXPERIMENTAL
				1349	help
				1350	kexec is a system call that implements the ability to shutdown your
				1351	current kernel, and to start another kernel. It is like a reboot
Matt LaPlante	01dd2fb	2007-10-20 01:34:40 +0200	[diff] [blame]	1352	but it is independent of the system firmware. And like a reboot
Richard Purdie	c587e4a	2007-02-06 21:29:00 +0100	[diff] [blame]	1353	you can start any kernel with it, not just Linux.
				1354
				1355	It is an ongoing process to be certain the hardware in a machine
				1356	is properly shutdown, so do not be surprised if this code does not
				1357	initially work for you. It may help to enable device hotplugging
				1358	support.
				1359
Richard Purdie	4cd9d6f	2008-01-02 00:56:46 +0100	[diff] [blame]	1360	config ATAGS_PROC
				1361	bool "Export atags in procfs"
Uli Luckas	b98d729	2008-02-22 16:45:18 +0100	[diff] [blame]	1362	depends on KEXEC
				1363	default y
Richard Purdie	4cd9d6f	2008-01-02 00:56:46 +0100	[diff] [blame]	1364	help
				1365	Should the atags used to boot the kernel be exported in an "atags"
				1366	file in procfs. Useful with kexec.
				1367
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1368	endmenu
				1369
Russell King	ac9d7ef	2008-08-18 17:26:00 +0100	[diff] [blame]	1370	menu "CPU Power Management"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1371
Ben Dooks	89c52ed	2009-07-30 23:23:24 +0100	[diff] [blame]	1372	if ARCH_HAS_CPUFREQ
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1373
				1374	source "drivers/cpufreq/Kconfig"
				1375
				1376	config CPU_FREQ_SA1100
				1377	bool
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1378
				1379	config CPU_FREQ_SA1110
				1380	bool
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1381
				1382	config CPU_FREQ_INTEGRATOR
				1383	tristate "CPUfreq driver for ARM Integrator CPUs"
				1384	depends on ARCH_INTEGRATOR && CPU_FREQ
				1385	default y
				1386	help
				1387	This enables the CPUfreq driver for ARM Integrator CPUs.
				1388
				1389	For details, take a look at <file:Documentation/cpu-freq>.
				1390
				1391	If in doubt, say Y.
				1392
Russell King	9e2697f	2007-12-14 13:30:14 +0000	[diff] [blame]	1393	config CPU_FREQ_PXA
				1394	bool
				1395	depends on CPU_FREQ && ARCH_PXA && PXA25x
				1396	default y
				1397	select CPU_FREQ_DEFAULT_GOV_USERSPACE
				1398
Mark Brown	b3748dd	2009-06-15 11:23:20 +0100	[diff] [blame]	1399	config CPU_FREQ_S3C64XX
				1400	bool "CPUfreq support for Samsung S3C64XX CPUs"
				1401	depends on CPU_FREQ && CPU_S3C6410
				1402
Ben Dooks	9d56c02	2009-07-30 23:23:25 +0100	[diff] [blame]	1403	config CPU_FREQ_S3C
				1404	bool
				1405	help
				1406	Internal configuration node for common cpufreq on Samsung SoC
				1407
				1408	config CPU_FREQ_S3C24XX
				1409	bool "CPUfreq driver for Samsung S3C24XX series CPUs"
				1410	depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
				1411	select CPU_FREQ_S3C
				1412	help
				1413	This enables the CPUfreq driver for the Samsung S3C24XX family
				1414	of CPUs.
				1415
				1416	For details, take a look at <file:Documentation/cpu-freq>.
				1417
				1418	If in doubt, say N.
				1419
				1420	config CPU_FREQ_S3C24XX_PLL
				1421	bool "Support CPUfreq changing of PLL frequency"
				1422	depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
				1423	help
				1424	Compile in support for changing the PLL frequency from the
				1425	S3C24XX series CPUfreq driver. The PLL takes time to settle
				1426	after a frequency change, so by default it is not enabled.
				1427
				1428	This also means that the PLL tables for the selected CPU(s) will
				1429	be built which may increase the size of the kernel image.
				1430
				1431	config CPU_FREQ_S3C24XX_DEBUG
				1432	bool "Debug CPUfreq Samsung driver core"
				1433	depends on CPU_FREQ_S3C24XX
				1434	help
				1435	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
				1436
				1437	config CPU_FREQ_S3C24XX_IODEBUG
				1438	bool "Debug CPUfreq Samsung driver IO timing"
				1439	depends on CPU_FREQ_S3C24XX
				1440	help
				1441	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
				1442
Ben Dooks	e6d197a	2009-07-30 23:23:42 +0100	[diff] [blame]	1443	config CPU_FREQ_S3C24XX_DEBUGFS
				1444	bool "Export debugfs for CPUFreq"
				1445	depends on CPU_FREQ_S3C24XX && DEBUG_FS
				1446	help
				1447	Export status information via debugfs.
				1448
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1449	endif
				1450
Russell King	ac9d7ef	2008-08-18 17:26:00 +0100	[diff] [blame]	1451	source "drivers/cpuidle/Kconfig"
				1452
				1453	endmenu
				1454
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1455	menu "Floating point emulation"
				1456
				1457	comment "At least one emulation must be selected"
				1458
				1459	config FPE_NWFPE
				1460	bool "NWFPE math emulation"
Nicolas Pitre	8993a44	2006-01-14 16:36:50 +0000	[diff] [blame]	1461	depends on !AEABI \|\| OABI_COMPAT
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1462	---help---
				1463	Say Y to include the NWFPE floating point emulator in the kernel.
				1464	This is necessary to run most binaries. Linux does not currently
				1465	support floating point hardware so you need to say Y here even if
				1466	your machine has an FPA or floating point co-processor podule.
				1467
				1468	You may say N here if you are going to load the Acorn FPEmulator
				1469	early in the bootup.
				1470
				1471	config FPE_NWFPE_XP
				1472	bool "Support extended precision"
Lennert Buytenhek	bedf142	2005-11-07 21:12:08 +0000	[diff] [blame]	1473	depends on FPE_NWFPE
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1474	help
				1475	Say Y to include 80-bit support in the kernel floating-point
				1476	emulator. Otherwise, only 32 and 64-bit support is compiled in.
				1477	Note that gcc does not generate 80-bit operations by default,
				1478	so in most cases this option only enlarges the size of the
				1479	floating point emulator without any good reason.
				1480
				1481	You almost surely want to say N here.
				1482
				1483	config FPE_FASTFPE
				1484	bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre	8993a44	2006-01-14 16:36:50 +0000	[diff] [blame]	1485	depends on (!AEABI \|\| OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1486	---help---
				1487	Say Y here to include the FAST floating point emulator in the kernel.
				1488	This is an experimental much faster emulator which now also has full
				1489	precision for the mantissa. It does not support any exceptions.
				1490	It is very simple, and approximately 3-6 times faster than NWFPE.
				1491
				1492	It should be sufficient for most programs. It may be not suitable
				1493	for scientific calculations, but you have to check this for yourself.
				1494	If you do not feel you need a faster FP emulation you should better
				1495	choose NWFPE.
				1496
				1497	config VFP
				1498	bool "VFP-format floating point maths"
Russell King	c00d4ff	2008-01-28 13:21:30 +0000	[diff] [blame]	1499	depends on CPU_V6 \|\| CPU_ARM926T \|\| CPU_V7 \|\| CPU_FEROCEON
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1500	help
				1501	Say Y to include VFP support code in the kernel. This is needed
				1502	if your hardware includes a VFP unit.
				1503
				1504	Please see <file:Documentation/arm/VFP/release-notes.txt> for
				1505	release notes and additional status information.
				1506
				1507	Say N if your target does not have VFP hardware.
				1508
Catalin Marinas	25ebee0	2007-09-25 15:22:24 +0100	[diff] [blame]	1509	config VFPv3
				1510	bool
				1511	depends on VFP
				1512	default y if CPU_V7
				1513
Catalin Marinas	b5872db	2008-01-10 19:16:17 +0100	[diff] [blame]	1514	config NEON
				1515	bool "Advanced SIMD (NEON) Extension support"
				1516	depends on VFPv3 && CPU_V7
				1517	help
				1518	Say Y to include support code for NEON, the ARMv7 Advanced SIMD
				1519	Extension.
				1520
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1521	endmenu
				1522
				1523	menu "Userspace binary formats"
				1524
				1525	source "fs/Kconfig.binfmt"
				1526
				1527	config ARTHUR
				1528	tristate "RISC OS personality"
Nicolas Pitre	704bdda0	2006-01-14 16:33:50 +0000	[diff] [blame]	1529	depends on !AEABI
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1530	help
				1531	Say Y here to include the kernel code necessary if you want to run
				1532	Acorn RISC OS/Arthur binaries under Linux. This code is still very
				1533	experimental; if this sounds frightening, say N and sleep in peace.
				1534	You can also say M here to compile this support as a module (which
				1535	will be called arthur).
				1536
				1537	endmenu
				1538
				1539	menu "Power management options"
				1540
Russell King	eceab4a	2005-11-15 11:31:41 +0000	[diff] [blame]	1541	source "kernel/power/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1542
Johannes Berg	f4cb570	2007-12-08 02:14:00 +0100	[diff] [blame]	1543	config ARCH_SUSPEND_POSSIBLE
				1544	def_bool y
				1545
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1546	endmenu
				1547
Sam Ravnborg	d5950b4	2005-07-11 21:03:49 -0700	[diff] [blame]	1548	source "net/Kconfig"
				1549
Uwe Kleine-König	ac25150	2009-08-13 21:09:21 +0200	[diff] [blame]	1550	source "drivers/Kconfig"
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1551
				1552	source "fs/Kconfig"
				1553
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	1554	source "arch/arm/Kconfig.debug"
				1555
				1556	source "security/Kconfig"
				1557
				1558	source "crypto/Kconfig"
				1559
				1560	source "lib/Kconfig"