[net-next-2.6.git] / arch / sparc / Kconfig

# $Id: config.in,v 1.113 2002/01/24 22:14:44 davem Exp $
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#

mainmenu "Linux/SPARC Kernel Configuration"

config MMU
	bool
	default y

config HIGHMEM
	bool
	default y

config GENERIC_ISA_DMA
	bool
	default y

source "init/Kconfig"

menu "General machine setup"

config SMP
	bool "Symmetric multi-processing support (does not work on sun4/sun4c)"
	---help---
	  This enables support for systems with more than one CPU. If you have
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.

	  If you say N here, the kernel will run on single and multiprocessor
	  machines, but will use only one CPU of a multiprocessor machine. If
	  you say Y here, the kernel will run on many, but not all,
	  singleprocessor machines. On a singleprocessor machine, the kernel
	  will run faster if you say N here.

	  People using multiprocessor machines who say Y here should also say
	  Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
	  Management" code will be disabled if you say Y here.

	  See also the <file:Documentation/smp.txt>,
	  <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.

	  If you don't know what to do here, say N.

config NR_CPUS
	int "Maximum number of CPUs (2-32)"
	range 2 32
	depends on SMP
	default "32"

config SPARC
	bool
	default y

# Identify this as a Sparc32 build
config SPARC32
	bool
	default y
	help
	  SPARC is a family of RISC microprocessors designed and marketed by
	  Sun Microsystems, incorporated.  They are very widely found in Sun
	  workstations and clones. This port covers the original 32-bit SPARC;
	  it is old and stable and usually considered one of the "big three"
	  along with the Intel and Alpha ports.  The UltraLinux project
	  maintains both the SPARC32 and SPARC64 ports; its web page is
	  available at <http://www.ultralinux.org/>.

# Global things across all Sun machines.
config ISA
	bool
	help
	  ISA is found on Espresso only and is not supported currently.
	  Say N

config EISA
	bool
	help
	  EISA is not supported.
	  Say N

config MCA
	bool
	help
	  MCA is not supported.
	  Say N

config PCMCIA
	tristate
	---help---
	  Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
	  computer.  These are credit-card size devices such as network cards,
	  modems or hard drives often used with laptops computers.  There are
	  actually two varieties of these cards: the older 16 bit PCMCIA cards
	  and the newer 32 bit CardBus cards.  If you want to use CardBus
	  cards, you need to say Y here and also to "CardBus support" below.

	  To use your PC-cards, you will need supporting software from David
	  Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
	  for location).  Please also read the PCMCIA-HOWTO, available from
	  <http://www.tldp.org/docs.html#howto>.

	  To compile this driver as modules, choose M here: the
	  modules will be called pcmcia_core and ds.

config SBUS
	bool
	default y

config SBUSCHAR
	bool
	default y

config SERIAL_CONSOLE
	bool
	default y
	---help---
	  If you say Y here, it will be possible to use a serial port as the
	  system console (the system console is the device which receives all
	  kernel messages and warnings and which allows logins in single user
	  mode). This could be useful if some terminal or printer is connected
	  to that serial port.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyS1". (Try "man bootparam" or see the documentation of
	  your boot loader (silo) about how to pass options to the kernel at
	  boot time.)

	  If you don't have a graphics card installed and you say Y here, the
	  kernel will automatically use the first serial line, /dev/ttyS0, as
	  system console.

	  If unsure, say N.

config SUN_AUXIO
	bool
	default y

config SUN_IO
	bool
	default y

config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

config GENERIC_CALIBRATE_DELAY
	bool
	default y

config ARCH_MAY_HAVE_PC_FDC
	bool
	default y

config SUN_PM
	bool
	default y
	help
	  Enable power management and CPU standby features on supported
	  SPARC platforms.

config SUN4
	bool "Support for SUN4 machines (disables SUN4[CDM] support)"
	depends on !SMP
	default n
	help
	  Say Y here if, and only if, your machine is a sun4. Note that
	  a kernel compiled with this option will run only on sun4.
	  (And the current version will probably work only on sun4/330.)

if !SUN4

config PCI
	bool "Support for PCI and PS/2 keyboard/mouse"
	help
	  CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
	  CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
	  All of these platforms are extremely obscure, so say N if unsure.

source "drivers/pci/Kconfig"

endif

config SUN_OPENPROMFS
	tristate "Openprom tree appears in /proc/openprom"
	help
	  If you say Y, the OpenPROM device tree will be available as a
	  virtual file system, which you can mount to /proc/openprom by "mount
	  -t openpromfs none /proc/openprom".

	  To compile the /proc/openprom support as a module, choose M here: the
	  module will be called openpromfs.

	  Only choose N if you know in advance that you will not need to modify
	  OpenPROM settings on the running system.

config SPARC_LED
	tristate "Sun4m LED driver"
	help
	  This driver toggles the front-panel LED on sun4m systems
	  in a user-specifyable manner.  It's state can be probed
	  by reading /proc/led and it's blinking mode can be changed
	  via writes to /proc/led

source "fs/Kconfig.binfmt"

config SUNOS_EMUL
	bool "SunOS binary emulation"
	help
	  This allows you to run most SunOS binaries.  If you want to do this,
	  say Y here and place appropriate files in /usr/gnemul/sunos. See
	  <http://www.ultralinux.org/faq.html> for more information.  If you
	  want to run SunOS binaries on an Ultra you must also say Y to
	  "Kernel support for 32-bit a.out binaries" above.

source "mm/Kconfig"

endmenu

source "net/Kconfig"

source "drivers/Kconfig"

if !SUN4
source "drivers/sbus/char/Kconfig"
endif

# This one must be before the filesystem configs. -DaveM

menu "Unix98 PTY support"

config UNIX98_PTYS
	bool "Unix98 PTY support"
	---help---
	  A pseudo terminal (PTY) is a software device consisting of two
	  halves: a master and a slave. The slave device behaves identical to
	  a physical terminal; the master device is used by a process to
	  read data from and write data to the slave, thereby emulating a
	  terminal. Typical programs for the master side are telnet servers
	  and xterms.

	  Linux has traditionally used the BSD-like names /dev/ptyxx for
	  masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
	  has a number of problems. The GNU C library glibc 2.1 and later,
	  however, supports the Unix98 naming standard: in order to acquire a
	  pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
	  terminal is then made available to the process and the pseudo
	  terminal slave can be accessed as /dev/pts/<number>. What was
	  traditionally /dev/ttyp2 will then be /dev/pts/2, for example.

	  The entries in /dev/pts/ are created on the fly by a virtual
	  file system; therefore, if you say Y here you should say Y to
	  "/dev/pts file system for Unix98 PTYs" as well.

	  If you want to say Y here, you need to have the C library glibc 2.1
	  or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*").
	  Read the instructions in <file:Documentation/Changes> pertaining to
	  pseudo terminals. It's safe to say N.

config UNIX98_PTY_COUNT
	int "Maximum number of Unix98 PTYs in use (0-2048)"
	depends on UNIX98_PTYS
	default "256"
	help
	  The maximum number of Unix98 PTYs that can be used at any one time.
	  The default is 256, and should be enough for desktop systems. Server
	  machines which support incoming telnet/rlogin/ssh connections and/or
	  serve several X terminals may want to increase this: every incoming
	  connection and every xterm uses up one PTY.

	  When not in use, each additional set of 256 PTYs occupy
	  approximately 8 KB of kernel memory on 32-bit architectures.

endmenu

source "fs/Kconfig"

source "arch/sparc/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
Commit	Line	Data
1da177e4 LT	1	# $Id: config.in,v 1.113 2002/01/24 22:14:44 davem Exp $
	2	# For a description of the syntax of this configuration file,
	3	# see Documentation/kbuild/kconfig-language.txt.
	4	#
	5
	6	mainmenu "Linux/SPARC Kernel Configuration"
	7
	8	config MMU
	9	bool
	10	default y
	11
1da177e4 LT	12	config HIGHMEM
	13	bool
	14	default y
	15
	16	config GENERIC_ISA_DMA
	17	bool
	18	default y
	19
	20	source "init/Kconfig"
	21
	22	menu "General machine setup"
	23
1da177e4 LT	24	config SMP
1da177e4 LT	25	bool "Symmetric multi-processing support (does not work on sun4/sun4c)"
1da177e4 LT	26	---help---
	27	This enables support for systems with more than one CPU. If you have
	28	a system with only one CPU, say N. If you have a system with more
	29	than one CPU, say Y.
	30
	31	If you say N here, the kernel will run on single and multiprocessor
	32	machines, but will use only one CPU of a multiprocessor machine. If
	33	you say Y here, the kernel will run on many, but not all,
	34	singleprocessor machines. On a singleprocessor machine, the kernel
	35	will run faster if you say N here.
	36
	37	People using multiprocessor machines who say Y here should also say
	38	Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
	39	Management" code will be disabled if you say Y here.
	40
	41	See also the <file:Documentation/smp.txt>,
	42	<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
	43	<http://www.tldp.org/docs.html#howto>.
	44
	45	If you don't know what to do here, say N.
	46
	47	config NR_CPUS
	48	int "Maximum number of CPUs (2-32)"
	49	range 2 32
	50	depends on SMP
	51	default "32"
	52
0b57ee9e AB	53	config SPARC
	54	bool
	55	default y
	56
1da177e4 LT	57	# Identify this as a Sparc32 build
	58	config SPARC32
	59	bool
	60	default y
	61	help
	62	SPARC is a family of RISC microprocessors designed and marketed by
	63	Sun Microsystems, incorporated. They are very widely found in Sun
	64	workstations and clones. This port covers the original 32-bit SPARC;
	65	it is old and stable and usually considered one of the "big three"
	66	along with the Intel and Alpha ports. The UltraLinux project
	67	maintains both the SPARC32 and SPARC64 ports; its web page is
	68	available at <http://www.ultralinux.org/>.
	69
	70	# Global things across all Sun machines.
	71	config ISA
	72	bool
	73	help
	74	ISA is found on Espresso only and is not supported currently.
	75	Say N
	76
	77	config EISA
	78	bool
	79	help
	80	EISA is not supported.
	81	Say N
	82
	83	config MCA
	84	bool
	85	help
	86	MCA is not supported.
	87	Say N
	88
	89	config PCMCIA
	90	tristate
	91	---help---
	92	Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
	93	computer. These are credit-card size devices such as network cards,
	94	modems or hard drives often used with laptops computers. There are
	95	actually two varieties of these cards: the older 16 bit PCMCIA cards
	96	and the newer 32 bit CardBus cards. If you want to use CardBus
	97	cards, you need to say Y here and also to "CardBus support" below.
	98
	99	To use your PC-cards, you will need supporting software from David
	100	Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
	101	for location). Please also read the PCMCIA-HOWTO, available from
	102	<http://www.tldp.org/docs.html#howto>.
	103
	104	To compile this driver as modules, choose M here: the
	105	modules will be called pcmcia_core and ds.
	106
	107	config SBUS
	108	bool
	109	default y
	110
	111	config SBUSCHAR
	112	bool
	113	default y
	114
	115	config SERIAL_CONSOLE
	116	bool
	117	default y
	118	---help---
	119	If you say Y here, it will be possible to use a serial port as the
	120	system console (the system console is the device which receives all
121	kernel messages and warnings and which allows logins in single user
122	mode). This could be useful if some terminal or printer is connected
123	to that serial port.
124
125	Even if you say Y here, the currently visible virtual console
126	(/dev/tty0) will still be used as the system console by default, but
127	you can alter that using a kernel command line option such as
128	"console=ttyS1". (Try "man bootparam" or see the documentation of
129	your boot loader (silo) about how to pass options to the kernel at
130	boot time.)
131
132	If you don't have a graphics card installed and you say Y here, the
133	kernel will automatically use the first serial line, /dev/ttyS0, as
134	system console.
135
136	If unsure, say N.
137
138	config SUN_AUXIO
139	bool
140	default y
141
142	config SUN_IO
143	bool
144	default y
145
146	config RWSEM_GENERIC_SPINLOCK
147	bool
148	default y
149
150	config RWSEM_XCHGADD_ALGORITHM
151	bool
152
d59288b7 AM	153	config GENERIC_FIND_NEXT_BIT
	154	bool
	155	default y
	156
	157	config GENERIC_HWEIGHT
	158	bool
	159	default y
	160
1da177e4 LT	161	config GENERIC_CALIBRATE_DELAY
	162	bool
	163	default y
	164
a08b6b79 AV	165	config ARCH_MAY_HAVE_PC_FDC
	166	bool
	167	default y
	168
1da177e4 LT	169	config SUN_PM
	170	bool
	171	default y
	172	help
	173	Enable power management and CPU standby features on supported
	174	SPARC platforms.
	175
	176	config SUN4
	177	bool "Support for SUN4 machines (disables SUN4[CDM] support)"
	178	depends on !SMP
	179	default n
	180	help
	181	Say Y here if, and only if, your machine is a sun4. Note that
	182	a kernel compiled with this option will run only on sun4.
	183	(And the current version will probably work only on sun4/330.)
	184
	185	if !SUN4
	186
	187	config PCI
	188	bool "Support for PCI and PS/2 keyboard/mouse"
	189	help
	190	CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
	191	CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
	192	All of these platforms are extremely obscure, so say N if unsure.
	193
	194	source "drivers/pci/Kconfig"
	195
	196	endif
	197
	198	config SUN_OPENPROMFS
	199	tristate "Openprom tree appears in /proc/openprom"
	200	help
	201	If you say Y, the OpenPROM device tree will be available as a
	202	virtual file system, which you can mount to /proc/openprom by "mount
	203	-t openpromfs none /proc/openprom".
	204
	205	To compile the /proc/openprom support as a module, choose M here: the
	206	module will be called openpromfs.
	207
	208	Only choose N if you know in advance that you will not need to modify
	209	OpenPROM settings on the running system.
	210
ee1858d3 LK	211	config SPARC_LED
	212	tristate "Sun4m LED driver"
	213	help
	214	This driver toggles the front-panel LED on sun4m systems
	215	in a user-specifyable manner. It's state can be probed
	216	by reading /proc/led and it's blinking mode can be changed
	217	via writes to /proc/led
	218
1da177e4 LT	219	source "fs/Kconfig.binfmt"
	220
	221	config SUNOS_EMUL
	222	bool "SunOS binary emulation"
	223	help
	224	This allows you to run most SunOS binaries. If you want to do this,
	225	say Y here and place appropriate files in /usr/gnemul/sunos. See
	226	<http://www.ultralinux.org/faq.html> for more information. If you
	227	want to run SunOS binaries on an Ultra you must also say Y to
	228	"Kernel support for 32-bit a.out binaries" above.
	229
30aaa808 WLII	230	source "mm/Kconfig"
	231
	232	endmenu
	233
d5950b43 SR	234	source "net/Kconfig"
d5950b43 SR	235
30aaa808	236	source "drivers/Kconfig"
1da177e4	237
1da177e4 LT	238	if !SUN4
	239	source "drivers/sbus/char/Kconfig"
	240	endif
	241
1da177e4 LT	242	# This one must be before the filesystem configs. -DaveM
	243
	244	menu "Unix98 PTY support"
	245
	246	config UNIX98_PTYS
	247	bool "Unix98 PTY support"
	248	---help---
	249	A pseudo terminal (PTY) is a software device consisting of two
	250	halves: a master and a slave. The slave device behaves identical to
	251	a physical terminal; the master device is used by a process to
	252	read data from and write data to the slave, thereby emulating a
	253	terminal. Typical programs for the master side are telnet servers
	254	and xterms.
	255
	256	Linux has traditionally used the BSD-like names /dev/ptyxx for
	257	masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
	258	has a number of problems. The GNU C library glibc 2.1 and later,
	259	however, supports the Unix98 naming standard: in order to acquire a
	260	pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
	261	terminal is then made available to the process and the pseudo
	262	terminal slave can be accessed as /dev/pts/<number>. What was
	263	traditionally /dev/ttyp2 will then be /dev/pts/2, for example.
	264
	265	The entries in /dev/pts/ are created on the fly by a virtual
	266	file system; therefore, if you say Y here you should say Y to
	267	"/dev/pts file system for Unix98 PTYs" as well.
	268
	269	If you want to say Y here, you need to have the C library glibc 2.1
	270	or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*").
	271	Read the instructions in <file:Documentation/Changes> pertaining to
	272	pseudo terminals. It's safe to say N.
	273
	274	config UNIX98_PTY_COUNT
	275	int "Maximum number of Unix98 PTYs in use (0-2048)"
	276	depends on UNIX98_PTYS
	277	default "256"
	278	help
	279	The maximum number of Unix98 PTYs that can be used at any one time.
	280	The default is 256, and should be enough for desktop systems. Server
	281	machines which support incoming telnet/rlogin/ssh connections and/or
	282	serve several X terminals may want to increase this: every incoming
	283	connection and every xterm uses up one PTY.
	284
	285	When not in use, each additional set of 256 PTYs occupy
	286	approximately 8 KB of kernel memory on 32-bit architectures.
	287
	288	endmenu
	289
1da177e4 LT	290	source "fs/Kconfig"
1da177e4 LT	291
1da177e4 LT	292	source "arch/sparc/Kconfig.debug"
	293
	294	source "security/Kconfig"
	295
	296	source "crypto/Kconfig"
	297
	298	source "lib/Kconfig"